Form N-CSR

The U.S. Treasury bond market declined modestly during the 12 months ended February 28, 2018 (“reporting period”). The Bloomberg Barclays U.S. Treasury Bond Index returned -0.56% for the reporting period, compared with the 0.51% return of the Bloomberg Barclays U.S. Aggregate Bond Index, a broad measure of U.S. bond performance.

The primary factors affecting the U.S. Treasury bond market during the reporting period were a strengthening U.S. economy and federal tax reform. The final nine months of 2017 featured the strongest three consecutive quarters of economic growth in more than 12 years. Key economic drivers included an increase in manufacturing activity and the lowest unemployment rate since December 2000.

In December 2017, the U.S. government passed federal tax reform legislation that included a steep reduction in corporate tax rates and a modest decrease in individual tax rates. The tax reform improved investors’ expectations for capital spending and economic growth, but it also raised concerns about federal budget deficits and higher inflation.

The annual consumer inflation rate remained near the 2% level targeted by the U.S. Federal Reserve Bank (“Fed”). However, signs of increasing inflation emerged late in the reporting period, including a sharp rise in energy prices and higher prices at the producer level. Inflation is typically measured in terms of both final (consumer) and intermediate (producer) goods; the Fed targets inflation in final goods.

In this environment, the Fed raised its short-term interest rate target three times during the reporting period to its highest level since October 2008. The Fed also began to reduce the amount of U.S. Treasury bonds and mortgage-backed securities on its balance sheet in October 2017. The interest rate increases and balance sheet reduction were part of the Fed’s plan to gradually reverse substantial economic stimulus measures, implemented in response to the 2008 credit crisis, and re-establish more normal monetary policy conditions.

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher U.S. Treasury bond yields and lower U.S. Treasury bond prices, particularly in the latter half of the reporting period. Short-term U.S. Treasury yields rose steadily throughout the reporting period in response to the Fed’s interest rate increases in March 2017, June 2017, and December 2017. For the reporting period, the three-month U.S. Treasury yield rose from 0.53% to 1.65%, the two-year U.S. Treasury yield rose from 1.22% to 2.25%, and the three-year U.S. Treasury yield rose from 1.49% to 2.42%.

In contrast, intermediate- and long-term U.S. Treasury yields declined during the first half of the reporting period, reflecting little inflationary pressure and a lack of fiscal stimulus from the federal government. However, intermediate- and long-term U.S. Treasury yields reversed course over the last six months of the reporting period amid improving economic growth, increasing inflation, and the Fed’s move to reduce its holdings of U.S. Treasury bonds. In particular, yields rose sharply in early 2018 following the approval of federal tax reform legislation at the end of 2017.

Among intermediate-term bonds, the seven-year U.S. Treasury yield rose from 2.19% to 2.80% for the reporting period, while the 10-year U.S. Treasury yield rose from 2.36% to 2.87%. Yields on the longest-term U.S. Treasury bonds had the smallest increase, with the 20-year U.S. Treasury yield rising from 2.70% to 3.02% and the 30-year U.S. Treasury yield rising from 2.97% to 3.13%.

Index performance through June 30, 2016 reflects the performance of the Bloomberg Barclays U.S. Short Treasury Bond Index. Index performance beginning on July 1, 2016 reflects the performance of the ICE U.S. Treasury Short Bond Index.

Past performance is no guarantee of future results. Performance results do not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. See “About Fund Performance” on page 18 for more information.

The iShares Short Treasury Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. Treasury bonds with remaining maturities between one month and one year, as represented by the ICE U.S. Treasury Short Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.71%, net of fees, while the total return for the Index was 0.88%.

FIVE LARGEST FUND HOLDINGS

As of 2/28/18


Security		Percentage of Total Investments*


U.S. Treasury Bill, 1.41%, 05/03/18	10.03	%
U.S. Treasury Note/Bond, 1.50%, 02/28/19	7.78
U.S. Treasury Bill, 1.09%, 03/01/18	6.51
U.S. Treasury Note/Bond, 1.25%, 11/30/18	6.18
U.S. Treasury Bill, 1.28%, 04/05/18	4.95

TOTAL	35.45	%

Index performance through March 31, 2016 reflects the performance of the Bloomberg Barclays U.S. 1-3 Year Treasury Bond Index. Index performance beginning on April 1, 2016 reflects the performance of the ICE U.S. Treasury 1-3 Year Bond Index.

The iShares 1-3 Year Treasury Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. Treasury bonds with remaining maturities between one and three years, as represented by the ICE U.S. Treasury 1-3 Year Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was -0.29%, net of fees, while the total return for the Index was -0.17%.

FIVE LARGEST FUND HOLDINGS

As of 2/28/18


Security		Percentage of Total Investments*


U.S. Treasury Note/Bond, 1.63%, 04/30/19	7.79	%
U.S. Treasury Note/Bond, 1.25%, 03/31/21	5.39
U.S. Treasury Note/Bond, 2.13%, 08/31/20	5.13
U.S. Treasury Note/Bond, 1.63%, 03/31/19	4.81
U.S. Treasury Note/Bond, 1.63%, 06/30/20	4.11

TOTAL	27.23	%

Index performance through March 31, 2016 reflects the performance of the Bloomberg Barclays U.S. 3-7 Year Treasury Bond Index. Index performance beginning on April 1, 2016 reflects the performance of the ICE U.S. Treasury 3-7 Year Bond Index.

The iShares 3-7 Year Treasury Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. Treasury bonds with remaining maturities between three and seven years, as represented by the ICE U.S. Treasury 3-7 Year Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was -0.98%, net of fees, while the total return for the Index was -0.87%.

ALLOCATION BY MATURITY

As of 2/28/18

Maturity

Percentage of

Total Investments*


3-4 Years	37.08	%
4-5 Years	19.92
5-6 Years	17.20
6-7 Years	23.28
7-8 Years	2.52

TOTAL	100.00	%

FIVE LARGEST FUND HOLDINGS

As of 2/28/18

Security

Percentage of

Total Investments*


U.S. Treasury Note/Bond, 2.25%, 04/30/21	10.20	%
U.S. Treasury Note/Bond, 1.88%, 04/30/22	7.85
U.S. Treasury Note/Bond, 2.75%, 02/15/24	7.63
U.S. Treasury Note/Bond, 2.38%, 08/15/24	6.81
U.S. Treasury Note/Bond, 2.00%, 02/15/25	6.09

TOTAL	38.58	%

Index performance through March 31, 2016 reflects the performance of the Bloomberg Barclays U.S. 7-10 Year Treasury Bond Index. Index performance beginning on April 1, 2016 reflects the performance of the ICE U.S. Treasury 7-10 Year Bond Index.

The iShares 7-10 Year Treasury Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. Treasury bonds with remaining maturities between seven and ten years, as represented by the ICE U.S. Treasury 7-10 Year Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was -1.59%, net of fees, while the total return for the Index was -1.49%.

ALLOCATION BY MATURITY

As of 2/28/18

Maturity

Percentage of

Total Investments*


7-8 Years	45.98	%
8-9 Years	33.61
9-10 Years	20.18
10-11 Years	0.23

TOTAL	100.00	%

FIVE LARGEST FUND HOLDINGS

As of 2/28/18

Security

Percentage of

Total Investments*


U.S. Treasury Note/Bond, 1.63%, 02/15/26	18.14	%
U.S. Treasury Note/Bond, 2.25%, 11/15/25	15.42
U.S. Treasury Note/Bond, 2.38%, 05/15/27	14.39
U.S. Treasury Note/Bond, 1.63%, 05/15/26	14.16
U.S. Treasury Note/Bond, 2.00%, 11/15/26	8.50

TOTAL	70.61	%

Index performance through June 30, 2016 reflects the performance of the Bloomberg Barclays U.S. 10-20 Year Treasury Bond Index. Index performance beginning on July 1, 2016 reflects the performance of the ICE U.S. Treasury 10-20 Year Bond Index.

The iShares 10-20 Year Treasury Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. Treasury bonds with remaining maturities between ten and twenty years, as represented by the ICE U.S. Treasury 10-20 Year Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was -1.66%, net of fees, while the total return for the Index was -1.58%.

ALLOCATION BY MATURITY

As of 2/28/18


Maturity		Percentage of Total Investments*


8-9 Years	0.09	%
10-11 Years	22.67
11-12 Years	11.67
12-13 Years	22.18
17-18 Years	24.33
18-19 Years	0.44
19-20 Years	13.73
20-21 Years	4.89

TOTAL	100.00	%

FIVE LARGEST FUND HOLDINGS

As of 2/28/18


Security		Percentage of Total Investments*


U.S. Treasury Note/Bond, 4.50%, 02/15/36	24.33	%
U.S. Treasury Note/Bond, 6.13%, 08/15/29	11.67
U.S. Treasury Note/Bond, 6.25%, 05/15/30	11.24
U.S. Treasury Note/Bond, 5.38%, 02/15/31	10.94
U.S. Treasury Note/Bond, 5.25%, 02/15/29	10.59

TOTAL	68.77	%

Index performance through March 31, 2016 reflects the performance of the Bloomberg Barclays U.S. 20+ Year Treasury Bond Index. Index performance beginning on April 1, 2016 reflects the performance of the ICE U.S. Treasury 20+ Year Bond Index.

The iShares 20+ Year Treasury Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. Treasury bonds with remaining maturities greater than twenty years, as represented by the ICE U.S. Treasury 20+ Year Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.04%, net of fees, while the total return for the Index was 0.10%.

FIVE LARGEST FUND HOLDINGS

As of 2/28/18

Security

Percentage of

Total Investments*


U.S. Treasury Note/Bond, 2.50%, 02/15/45	8.80	%
U.S. Treasury Note/Bond, 3.00%, 11/15/45	8.46
U.S. Treasury Note/Bond, 2.50%, 02/15/46	7.09
U.S. Treasury Note/Bond, 2.88%, 05/15/43	7.01
U.S. Treasury Note/Bond, 3.13%, 08/15/44	6.87

TOTAL	38.23	%

Past performance is no guarantee of future results. Current performance may be lower or higher than the performance data quoted. Performance data current to the most recent month-end is available at www.ishares.com. Performance results assume reinvestment of all dividends and capital gain distributions and do not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. The investment return and principal value of shares will vary with changes in market conditions. Shares may be worth more or less than their original cost when they are redeemed or sold in the market. Performance for certain funds may reflect a waiver of a portion of investment advisory fees. Without such a waiver, performance would have been lower.

Net asset value or “NAV” is the value of one share of a fund as calculated in accordance with the standard formula for valuing mutual fund shares. The price used to calculate market return (“Market Price”) is determined by using the midpoint between the highest bid and the lowest offer on the primary stock exchange on which shares of a fund are listed for trading, as of the time that such fund’s NAV is calculated. Certain funds may have a NAV which is determined prior to the opening of regular trading on its listed exchange and their market returns are calculated using the midpoint of the bid/ask spread as of the opening of regular trading on the exchange. Market and NAV returns assume that dividends and capital gain distributions have been reinvested at Market Price and NAV, respectively.

An index is a statistical composite that tracks a specified financial market or sector. Unlike a fund, an index does not actually hold a portfolio of securities and therefore does not incur the expenses incurred by a fund. These expenses negatively impact fund performance. Also, market returns do not include brokerage commissions that may be payable on secondary market transactions. If brokerage commissions were included, market returns would be lower.

As a shareholder of a Fund, you incur two types of costs: (1) transaction costs, including brokerage commissions on purchases and sales of fund shares and (2) ongoing costs, including management fees and other fund expenses. The expense example, which is based on an investment of $1,000 invested on September 1, 2017 and held through February 28, 2018, is intended to help you understand your ongoing costs (in dollars and cents) of investing in a Fund and to compare these costs with the ongoing costs of investing in other funds.

Actual Expenses — The table provides information about actual account values and actual expenses. Annualized expense ratios reflect contractual and voluntary fee waivers, if any. To estimate the expenses that you paid on your account over the period, simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number corresponding to your Fund under the heading entitled “Expenses Paid During Period.”

Hypothetical Example for Comparison Purposes — The table also provides information about hypothetical account values and hypothetical expenses based on each Fund’s actual expense ratio and an assumed rate of return of 5% per year before expenses. You may use this information to compare the ongoing costs of investing in your Fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds.

Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as brokerage commissions paid on purchases and sales of fund shares. Therefore, the hypothetical examples are useful in comparing ongoing costs only and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher.


Security	Principal (000s)		Value
U.S. GOVERNMENT OBLIGATIONS — 106.68%
U.S. Treasury Bill
0.33%, 03/29/18^a	$	528	$	527,393
1.09%, 03/01/18^a		660,222		660,221,600
1.28%, 04/05/18^a		502,586		501,870,162
1.31%, 05/24/18^a		7,120		7,093,460
1.36%, 04/12/18^a		137,394		137,150,061
1.36%, 05/17/18^a		104,577		104,225,545
1.38%, 09/13/18^a		7,120		7,050,701
1.41%, 05/03/18^a		1,020,104		1,017,386,055
1.46%, 06/28/18^a		265,580		264,127,094
1.62%, 08/02/18^a		268,612		266,606,887
1.65%, 05/31/18^a		486,708		484,711,855
U.S. Treasury Note/Bond
0.63%, 04/30/18		435,411		434,778,844
0.75%, 03/31/18		39,269		39,247,197
0.75%, 04/15/18		310,712		310,426,661
0.88%, 03/31/18		225,144		225,042,028
0.88%, 07/15/18		138,992		138,503,357
0.88%, 10/15/18		54,538		54,173,703
1.00%, 03/15/18		38,375		38,370,610
1.00%, 05/15/18		68,984		68,897,862
1.00%, 05/31/18		52,060		51,973,918
1.00%, 08/15/18		406,515		404,927,051
1.13%, 06/15/18		364,222		363,568,677
1.25%, 11/15/18		109,796		109,221,286
1.25%, 11/30/18		629,924		626,356,073
1.38%, 07/31/18		381,004		380,259,853
1.38%, 09/30/18		281,278		280,344,070


Security	Principal or Shares (000s)		Value
1.38%, 12/31/18	$	232,092	$	230,813,681
1.38%, 02/28/19		273,496		271,530,247
1.50%, 08/31/18		343,254		342,543,358
1.50%, 12/31/18		455,163		453,047,202
1.50%, 01/31/19		346,012		344,119,747
1.50%, 02/28/19		793,760		789,078,054
1.75%, 10/31/18		14,216		14,196,009
2.38%, 05/31/18		155,532		155,805,047
2.38%, 06/30/18		152,977		153,263,832
2.63%, 04/30/18		7,192		7,205,221
2.88%, 03/31/18		402,161		402,637,054

				10,141,301,455

TOTAL U.S. GOVERNMENT OBLIGATIONS
(Cost: $10,150,571,113)				10,141,301,455

MONEY MARKET FUNDS — 7.73%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^b,c		734,819		734,818,519

TOTAL MONEY MARKET FUNDS
(Cost: $734,818,519)				734,818,519

TOTAL INVESTMENTS IN SECURITIES — 114.41%
(Cost: $10,885,389,632)				10,876,119,974
Other Assets, Less Liabilities — (14.41)%				(1,369,516,730	)

NET ASSETS — 100.00%			$	9,506,603,244

^a	Rates are discount rates or a range of discount rates at the time of purchase.

^b	Affiliate of the Fund.

^c	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

Various inputs are used in determining the fair value of financial instruments. For description of the input levels and information about the Fund’s policy regarding valuation of financial instruments, see Note 1.

The following table summarizes the value of the Fund’s investments according to the fair value hierarchy as of February 28, 2018. The breakdown of the Fund’s investments into major categories is disclosed in the Schedule of Investments above.


Security	Principal (000s)		Value
U.S. GOVERNMENT OBLIGATIONS — 99.53%
U.S. Treasury Note/Bond
0.75%, 07/15/19	$	238,662	$	234,056,568
0.75%, 08/15/19		4,451		4,358,904
0.88%, 06/15/19		1,526		1,501,203
0.88%, 09/15/19		49,743		48,738,425
1.00%, 03/15/19		14,402		14,236,602
1.00%, 09/30/19		72,259		70,915,434
1.00%, 10/15/19		128,925		126,422,042
1.13%, 12/31/19		74,850		73,358,847
1.13%, 03/31/20		155,000		151,306,641
1.13%, 04/30/20		66,880		65,197,550
1.13%, 02/28/21		124,695		119,960,487
1.25%, 03/31/19		295,609		292,860,759
1.25%, 04/30/19		24,000		23,754,375
1.25%, 06/30/19		70,572		69,725,687
1.25%, 01/31/20		9,368		9,190,520
1.25%, 02/29/20		18,585		18,211,122
1.25%, 03/31/21		627,440		605,062,942
1.38%, 02/28/19		7,112		7,060,883
1.38%, 12/15/19		68,580		67,543,263
1.38%, 01/15/20		228,322		224,629,604
1.38%, 02/15/20		91,685		90,102,002
1.38%, 02/29/20		288,126		283,038,382
1.38%, 03/31/20		118,051		115,814,487
1.38%, 04/30/20		283,869		278,235,975
1.38%, 05/31/20		317,922		311,240,672
1.38%, 08/31/20		5,682		5,546,387
1.38%, 10/31/20		52,398		51,036,880
1.38%, 01/31/21		118,420		114,913,657
1.38%, 04/30/21		216,408		209,231,032
1.50%, 01/31/19		4		3,978
1.50%, 02/28/19		8,333		8,283,848
1.50%, 03/31/19		34,675		34,446,091
1.50%, 05/31/19		273,106		270,940,751
1.50%, 11/30/19		49,033		48,412,426
1.50%, 04/15/20		91,551		90,020,382
1.50%, 05/15/20		189,749		186,420,981
1.50%, 05/31/20		274,036		269,036,983
1.50%, 06/15/20		253,726		249,018,193
1.50%, 07/15/20		207,372		203,354,168
1.63%, 03/31/19		542,882		539,955,529
1.63%, 04/30/19		880,208		875,050,527


Security	Principal or Shares (000s)		Value
1.63%, 06/30/19	$	95,292	$	94,618,256
1.63%, 07/31/19		250,892		248,931,906
1.63%, 08/31/19		131,219		130,096,462
1.63%, 12/31/19		238,024		235,327,636
1.63%, 03/15/20		88,000		86,827,813
1.63%, 06/30/20		468,836		461,180,790
1.63%, 07/31/20		44,749		43,986,869
1.63%, 11/30/20		184,614		180,820,758
1.75%, 09/30/19		254,976		253,123,441
1.75%, 12/31/20		106,944		105,018,173
1.88%, 06/30/20		144,000		142,453,125
2.00%, 07/31/20		358,515		355,504,033
2.00%, 09/30/20		80,743		79,989,188
2.00%, 11/30/20		354,854		351,111,397
2.00%, 02/28/21		58,000		57,268,203
2.13%, 08/31/20		579,320		575,902,916
2.13%, 01/31/21		210,676		208,906,650
2.25%, 02/15/21		1,287		1,280,816
2.38%, 12/31/20		87,138		87,056,308
2.63%, 08/15/20		25,215		25,371,609
2.63%, 11/15/20		266,843		268,500,346
3.13%, 05/15/19		56,500		57,151,074
3.38%, 11/15/19		4,000		4,075,625
3.50%, 05/15/20		299,779		307,343,737
3.63%, 08/15/19		302,811		308,938,193
3.63%, 02/15/20		4,000		4,102,344
8.75%, 08/15/20		78,668		90,631,067

				11,227,713,924

TOTAL U.S. GOVERNMENT OBLIGATIONS
(Cost: $11,366,421,429)				11,227,713,924

SHORT-TERM INVESTMENTS — 0.54%

MONEY MARKET FUNDS — 0.54%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^a,b		60,794		60,794,081

				60,794,081

TOTAL SHORT-TERM INVESTMENTS
(Cost: $60,794,081)				60,794,081

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
U.S. GOVERNMENT OBLIGATIONS — 99.46%
U.S. Treasury Note/Bond
1.13%, 08/31/21	$	393,486	$	375,133,569
1.25%, 03/31/21		100		96,434
1.38%, 06/30/23		27,138		25,373,064
1.38%, 08/31/23		9,828		9,163,458
1.50%, 01/31/22		168,523		161,814,994
1.50%, 02/28/23		13,585		12,848,438
1.50%, 03/31/23		920		869,220
1.63%, 11/15/22		6,829		6,525,430
1.63%, 04/30/23		86,629		82,246,411
1.75%, 11/30/21		14,990		14,564,893
1.75%, 02/28/22		95,869		92,873,094
1.75%, 03/31/22		124,362		120,383,387
1.75%, 04/30/22		25,740		24,888,368
1.75%, 05/31/22		48,861		47,189,038
1.75%, 06/30/22		55,678		53,727,095
1.75%, 09/30/22		28,003		26,939,761
1.75%, 01/31/23		9,944		9,532,645
1.75%, 05/15/23		379,398		362,280,628
1.88%, 01/31/22		204,426		199,147,657
1.88%, 02/28/22		26,408		25,704,572
1.88%, 03/31/22		169,991		165,309,413
1.88%, 04/30/22		568,434		552,224,752
1.88%, 07/31/22		31,034		30,070,249
1.88%, 08/31/22		61,649		59,712,836
1.88%, 09/30/22		145,924		141,164,369
2.00%, 02/28/21		100		98,738
2.00%, 05/31/21		89,184		87,856,692
2.00%, 08/31/21		243,896		239,646,873
2.00%, 10/31/21		210,072		206,083,913
2.00%, 12/31/21		23,800		23,311,914
2.00%, 07/31/22		1,570		1,530,627
2.00%, 10/31/22		52,419		50,946,763
2.00%, 11/30/22		5,303		5,151,782
2.00%, 05/31/24		17,228		16,472,256
2.00%, 06/30/24		48,778		46,600,138
2.00%, 02/15/25		451,403		428,250,964
2.13%, 06/30/21		9,197		9,089,977
2.13%, 08/15/21		207,084		204,430,736
2.13%, 09/30/21		13,433		13,246,821
2.13%, 06/30/22		76,298		74,810,785
2.13%, 12/31/22		4,718		4,606,132


Security	Principal or Shares (000s)		Value
2.13%, 11/30/23	$	40,544	$	39,264,330
2.13%, 02/29/24		42,496		41,030,413
2.13%, 05/15/25		185,200		176,800,891
2.25%, 03/31/21		142,401		141,544,370
2.25%, 04/30/21		722,282		717,598,449
2.25%, 07/31/21		96,094		95,271,946
2.25%, 12/31/23		1,804		1,757,209
2.25%, 01/31/24		22,648		22,041,989
2.25%, 11/15/24		340,251		328,807,403
2.38%, 08/15/24		490,387		478,682,840
2.50%, 05/15/24		343,327		338,284,385
2.75%, 11/15/23		88,892		89,051,728
2.75%, 02/15/24		536,028		536,342,080
7.13%, 02/15/23		11,053		13,350,746

				7,031,747,665

TOTAL U.S. GOVERNMENT OBLIGATIONS
(Cost: $7,261,809,317)				7,031,747,665

SHORT-TERM INVESTMENTS — 0.63%

MONEY MARKET FUNDS — 0.63%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^a,b		44,585		44,584,680

				44,584,680

TOTAL SHORT-TERM INVESTMENTS
(Cost: $44,584,680)				44,584,680

TOTAL INVESTMENTS IN SECURITIES — 100.09%
(Cost: $7,306,393,997)				7,076,332,345
Other Assets, Less Liabilities — (0.09)%				(6,681,021	)

NET ASSETS — 100.00%			$	7,069,651,324

^a	Affiliate of the Fund.

^b	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
U.S. GOVERNMENT OBLIGATIONS — 99.81%
U.S. Treasury Note/Bond
1.50%, 08/15/26	$	255,697	$	229,448,374
1.63%, 02/15/26		1,658,865		1,514,168,095
1.63%, 05/15/26		1,299,757		1,182,626,551
2.00%, 08/15/25		746,308		704,910,850
2.00%, 11/15/26		760,648		709,304,446
2.13%, 05/15/25		347,356		331,602,864
2.25%, 11/15/25		1,342,346		1,287,655,405
2.25%, 02/15/27		720,317		684,301,150
2.25%, 08/15/27		510,887		483,965,178
2.38%, 05/15/27		1,252,289		1,201,072,046
5.25%, 11/15/28		16,000		19,463,750

				8,348,518,709

TOTAL U.S. GOVERNMENT OBLIGATIONS
(Cost: $8,790,666,584)				8,348,518,709


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 0.44%

MONEY MARKET FUNDS — 0.44%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^a,b		37,151	$	37,150,551

				37,150,551

TOTAL SHORT-TERM INVESTMENTS
(Cost: $37,150,551)				37,150,551

TOTAL INVESTMENTS IN SECURITIES — 100.25%
(Cost: $8,827,817,135)				8,385,669,260
Other Assets, Less Liabilities — (0.25)%				(21,304,520	)

NET ASSETS — 100.00%			$	8,364,364,740

^a	Affiliate of the Fund.

^b	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
U.S. GOVERNMENT OBLIGATIONS — 98.36%
U.S. Treasury Note/Bond
2.25%, 02/15/27	$	475	$	451,630
4.25%, 05/15/39		6,157		7,313,602
4.38%, 02/15/38		29,000		34,890,625
4.38%, 11/15/39		14,124		17,075,695
4.50%, 02/15/36		100,258		121,468,470
4.75%, 02/15/37		1,759		2,205,164
5.00%, 05/15/37		26,056		33,639,721
5.25%, 11/15/28		25,306		30,784,111
5.25%, 02/15/29		43,310		52,863,699
5.38%, 02/15/31		43,173		54,607,099
5.50%, 08/15/28		23,908		29,526,133
6.13%, 08/15/29		44,348		58,263,523
6.25%, 05/15/30		41,797		56,090,711

				499,180,183

TOTAL U.S. GOVERNMENT OBLIGATIONS
(Cost: $543,274,565)				499,180,183


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 1.94%

MONEY MARKET FUNDS — 1.94%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^a,b		9,827	$	9,826,580

				9,826,580

TOTAL SHORT-TERM INVESTMENTS
(Cost: $9,826,580)				9,826,580

TOTAL INVESTMENTS IN SECURITIES — 100.30%
(Cost: $553,101,145)				509,006,763
Other Assets, Less Liabilities — (0.30)%				(1,516,451	)

NET ASSETS — 100.00%			$	507,490,312

^a	Affiliate of the Fund.

^b	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
U.S. GOVERNMENT OBLIGATIONS — 98.69%
U.S. Treasury Note/Bond
2.50%, 02/15/45	$	658,981	$	583,403,674
2.50%, 02/15/46		532,734		469,991,643
2.50%, 05/15/46		458,473		404,100,615
2.75%, 08/15/42		228,110		214,209,641
2.75%, 11/15/42		217,533		204,013,757
2.88%, 05/15/43		485,071		464,587,641
2.88%, 08/15/45		370,050		352,747,082
2.88%, 11/15/46		230,936		219,659,924
3.00%, 11/15/44		288,942		282,384,372
3.00%, 05/15/45		29,442		28,760,958
3.00%, 11/15/45		574,853		561,245,149
3.00%, 02/15/47		313,603		305,787,521
3.00%, 05/15/47		219,384		213,813,509
3.13%, 11/15/41		5,363		5,390,653
3.13%, 02/15/43		208,869		209,326,101
3.13%, 08/15/44		455,368		455,545,976
3.38%, 05/15/44		155,732		162,794,794
3.63%, 08/15/43		230,098		250,662,573
3.75%, 08/15/41		7,925		8,799,314
3.75%, 11/15/43		69,067		76,771,843
3.88%, 08/15/40		213,325		241,099,140
4.25%, 05/15/39		85,481		101,538,858
4.25%, 11/15/40		269,983		321,754,230
4.38%, 02/15/38		56,292		67,725,831
4.38%, 11/15/39		90,573		109,500,859


Security	Principal or Shares (000s)		Value
4.38%, 05/15/40	$	3,964	$	4,798,709
4.50%, 02/15/36		2,631		3,187,015
4.50%, 05/15/38		20,868		25,537,093
4.63%, 02/15/40		213,389		266,727,415
5.00%, 05/15/37		11,545		14,905,743

				6,630,771,633

TOTAL U.S. GOVERNMENT OBLIGATIONS
(Cost: $7,295,071,831)				6,630,771,633

SHORT-TERM INVESTMENTS — 1.64%

MONEY MARKET FUNDS — 1.64%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^a,b		110,138		110,137,644

				110,137,644

TOTAL SHORT-TERM INVESTMENTS
(Cost: $110,137,644)				110,137,644

TOTAL INVESTMENTS IN SECURITIES — 100.33%
(Cost: $7,405,209,475)				6,740,909,277
Other Assets, Less Liabilities — (0.33)%				(22,241,237	)

NET ASSETS — 100.00%			$	6,718,668,040

^a	Affiliate of the Fund.

^b	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

iShares Trust (the “Trust”) is registered under the Investment Company Act of 1940, as amended (the “1940 Act”), as an open-end management investment company. The Trust was established as a Delaware statutory trust pursuant to an Agreement and Declaration of Trust dated December 16, 1999.

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

The investment objective of each Fund is to seek investment results that correspond generally to the price and yield performance, before fees and expenses, of its underlying index. The investment adviser uses a “passive” or index approach to try to achieve each Fund’s investment objective.

Pursuant to the Trust’s organizational documents, the Funds’ officers and trustees are indemnified against certain liabilities that may arise out of the performance of their duties to the Funds. Additionally, in the normal course of business, the Funds enter into contracts with service providers that contain general indemnification clauses. The Funds’ maximum exposure under these arrangements is unknown as this would involve future claims that may be made against the Funds that have not yet occurred.

The following significant accounting policies are consistently followed by each Fund in the preparation of its financial statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The preparation of financial statements in conformity with U.S. GAAP requires management to make certain estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Each Fund is considered an investment company under U.S. GAAP and follows the accounting and reporting guidance applicable to investment companies.

Each Fund’s investments are valued at fair value each day that the Fund’s listing exchange is open and, for financial reporting purposes, as of the report date should the reporting period end on a day that the Fund’s listing exchange is not open. U.S. GAAP defines fair value as the price a fund would receive to sell an asset or pay to transfer a liability in an orderly transaction between market participants at the measurement date. The BlackRock Global Valuation Methodologies Committee (the “Global Valuation Committee”) provides oversight of the valuation of investments for the Funds. The investments of each Fund are valued pursuant to policies and procedures developed by the Global Valuation Committee and approved by the Board of Trustees of the Trust (the “Board”).

In the event that application of these methods of valuation results in a price for an investment which is deemed not to be representative of the fair value of such investment or if a price is not available, the investment will be valued by the Global Valuation Committee, in accordance with policies approved by the Board. The fair valuation approaches that may be utilized by the Global Valuation Committee to determine fair value include market approach, income approach and the cost approach. The valuation techniques used under these approaches take into consideration inputs that include but are not limited to (i) attributes specific to the investment; (ii) the principal market for the investment; (iii) the customary participants in the principal market for the investment; (iv) data assumptions by market participants for the investment, if reasonably available; (v) quoted prices for similar investments in active markets; and (vi) other inputs, such as future cash flows, interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and/or default rates. Valuations based on such inputs are reported to the Board on a quarterly basis.

The Global Valuation Committee employs various methods for calibrating valuation approaches for investments where an active market does not exist, including regular due diligence of the Trust’s pricing vendors, a regular review of key inputs and assumptions, transactional back-testing or disposition analysis to compare unrealized gains and losses to realized gains and losses, reviews of missing or stale prices, reviews of large movements in market values, and reviews of market related activity.

Fair value pricing could result in a difference between the prices used to calculate a Fund’s NAV and the prices used by the Fund’s underlying index, which in turn could result in a difference between the Fund’s performance and the performance of the Fund’s underlying index.

Various inputs are used in determining the fair value of financial instruments. Inputs may be based on independent market data (“observable inputs”) or they may be internally developed (“unobservable inputs”). These inputs to valuation techniques are categorized into a fair value hierarchy consisting of three broad levels for financial reporting purposes as follows:

The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). Accordingly, the degree of judgement exercised in determining fair value is greatest for instruments categorized in Level 3. The inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, for disclosure purposes, the fair value hierarchy classification is

determined based on the lowest level input that is significant to the fair value measurement in its entirety. The fair value hierarchy for each Fund’s investments is included in its schedule of investments.

Changes in valuation techniques may result in transfers in or out of an assigned level within the fair value hierarchy. In accordance with the Trust’s policy, transfers between different levels of the fair value hierarchy are deemed to have occurred as of the beginning of the reporting period. The categorization of values determined for financial instruments are based on the pricing transparency of the financial instruments and are not necessarily an indication of the risks associated with investing in those securities.

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any, are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

Dividends and distributions paid by each Fund are recorded on the ex-dividend dates. Distributions are determined on a tax basis and may differ from net investment income and net realized capital gains for financial reporting purposes. Dividends and distributions are paid in U.S. dollars and cannot be automatically reinvested in additional shares of the Funds.

Each Fund may lend its investment securities to approved borrowers, such as brokers, dealers and other financial institutions. The borrower pledges and maintains with the Fund collateral consisting of cash, an irrevocable letter of credit issued by an approved bank, or securities issued or guaranteed by the U.S. government. The initial collateral received by each Fund is required to have a value of at least 102% of the current value of the loaned securities for securities traded on U.S. exchanges and a value of at least 105% for all other securities. The collateral is maintained thereafter at a value equal to at least 100% of the current value of the securities on loan. The market value of the loaned securities is determined at the close of each business day of the Funds. Any additional required collateral is delivered to the Funds and any excess collateral is returned by the Funds on the next business day. During the term of the loan, each Fund is entitled to all distributions made on or in respect of the loaned securities but does not receive interest income on securities received as collateral. Loans of securities are terminable at any time and the borrower, after notice, is required to return borrowed securities within the standard time period for settlement of securities transactions.

Cash received as collateral for securities on loan may be reinvested in certain short-term instruments either directly on behalf of a fund or through one or more joint accounts or money market funds, including those managed by BlackRock Fund Advisors (“BFA”), the Funds’ investment adviser, or its affiliates. As of February 28, 2018, any securities on loan were collateralized by cash and/or U.S. government obligations. Cash collateral received was invested in money market funds managed by BFA and is disclosed in the schedules of investments. Any non-cash collateral received cannot be sold, re-invested or pledged by the Fund, except in the event of borrower default. The securities on loan for each Fund are also disclosed in its schedule of investments. The total value of any securities on loan as of February 28, 2018 and the total value of the related cash collateral are disclosed in the statements of assets and liabilities. Income earned by the Funds from securities lending is disclosed in the statements of operations.

The risks of securities lending include the risk that the borrower may not provide additional collateral when required or may not return the securities when due. To mitigate these risks, the Funds benefit from a borrower default indemnity provided by BlackRock, Inc. (“BlackRock”). BlackRock’s indemnity allows for full replacement of securities loaned if the collateral received does not cover the value of the securities loaned in the event of borrower default. Each Fund could incur a loss if the value of an investment purchased with cash collateral falls below the value of the loaned securities or if the value of an investment purchased with cash collateral falls below the value of the original cash collateral received.

In March 2017, the Financial Accounting Standards Board issued Accounting Standards Update “Premium Amortization on Purchase Callable Debt Securities” which amends the amortization period for certain purchased callable debt securities. Under the new guidance, premium amortization of purchased callable debt securities that have explicit, non-contingent call features and are callable at fixed prices will be amortized to the earliest call date. The guidance will be applied on a modified retrospective basis and is effective for fiscal years, and their interim periods, beginning after December 15, 2018. Management is currently evaluating the impact of this guidance to the Funds.

Pursuant to an Investment Advisory Agreement with the Trust, BFA manages the investment of each Fund’s assets. BFA is a California corporation indirectly owned by BlackRock. Under the Investment Advisory Agreement, BFA is responsible for substantially all expenses of the Funds, except (i) interest and taxes; (ii) brokerage commissions and other expenses connected with the execution of portfolio transactions; (iii) distribution fees; (iv) the advisory fee payable to BFA; and (v) litigation expenses and any extraordinary expenses (in each case as determined by a majority of the independent trustees).

For its investment advisory services to each Fund, BFA is entitled to an annual investment advisory fee of 0.15%, accrued daily and paid monthly by the Funds, based on the average daily net assets of each Fund.

The U.S. Securities and Exchange Commission has issued an exemptive order which permits BlackRock Institutional Trust Company, N.A. (“BTC”), an affiliate of BFA, to serve as securities lending agent for the Funds, subject to applicable conditions. As securities lending agent, BTC bears all operational costs directly related to securities lending. Each Fund is responsible for fees in connection with the investment of cash collateral received for securities on loan in a money market fund managed by BFA, however, BTC has agreed to reduce the amount of securities lending income it receives in order to effectively limit the collateral investment fees each Fund bears to an annual rate of 0.04% (the “collateral investment fees”). Securities lending income is equal to the total of income earned from the reinvestment of cash collateral (excluding collateral investment fees), net of fees and other payments to and from borrowers of securities. The Funds retain a portion of securities lending income and remit the remaining portion to BTC as compensation for its services as securities lending agent.

Pursuant to a securities lending agreement, each Fund retains 80% of securities lending income and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees. In addition, commencing the business day following the date that the aggregate securities lending income plus the collateral investment fees generated across all 1940 Act iShares exchange-traded funds (the “iShares ETF Complex”) in a given calendar year exceeds the aggregate securities lending income generated across the iShares ETF Complex in the calendar year 2013, each Fund, pursuant to a securities lending agreement, will retain for the remainder of that calendar year 85% of securities lending income and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees.

For the year ended February 28, 2018, the total of securities lending agent services and collateral investment fees paid were as follows:

BlackRock Investments, LLC, an affiliate of BFA, is the distributor for each Fund. Pursuant to the distribution agreement, BFA is responsible for any fees or expenses for distribution services provided to the Funds.

Cross trading is the buying or selling of portfolio securities between funds to which BFA (or an affiliate) serves as investment adviser. At its regularly scheduled quarterly meetings, the Board reviews such transactions as of the most recent calendar quarter for compliance with the requirements and restrictions set forth by Rule 17a-7.

For the year ended February 28, 2018, transactions executed by the Funds pursuant to Rule 17a-7 under the 1940 Act were as follows:

Each Fund may invest its positive cash balances in certain money market funds managed by BFA or an affiliate. The income earned on these temporary cash investments is included in “Dividends – affiliated” in the statements of operations.

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind transactions (see Note 4) for the year ended February 28, 2018 were as follows:

Capital shares are issued and redeemed by each Fund only in aggregations of a specified number of shares or multiples thereof (“Creation Units”) at NAV. Except when aggregated in Creation Units, shares of each Fund are not redeemable. Transactions in capital shares for each Fund are disclosed in detail in the statements of changes in net assets.

The consideration for the purchase of Creation Units of a fund in the Trust generally consists of the in-kind deposit of a designated portfolio of securities and a specified amount of cash. Certain funds in the Trust may be offered in Creation Units solely or partially for cash in U.S. dollars. Investors purchasing and redeeming Creation Units may pay a purchase transaction fee and a redemption transaction fee directly to State Street Bank and Trust Company, the Trust’s administrator, to offset transfer and other transaction costs associated with the issuance and redemption of Creation Units, including Creation Units for cash. Investors transacting in Creation Units for cash may also pay an additional variable charge to compensate the relevant fund for certain transaction costs (i.e., stamp taxes, taxes on currency or other financial transactions, and brokerage costs) and market impact expenses relating to investing in portfolio securities. Such variable charges, if any, are included in “Proceeds from shares sold” in the statements of changes in net assets.

including, without limitation: (i) the general economy; (ii) the overall market as well as local, regional or global political and/or social instability; (iii) regulation, taxation or international tax treaties between various countries; or (iv) currency, interest rate or price fluctuations. Each Fund’s prospectus provides details of the risks to which the Fund is subject.

BFA uses a “passive” or index approach to try to achieve each Fund’s investment objective following the securities included in its underlying index during upturns as well as downturns. BFA does not take steps to reduce market exposure or to lessen the effects of a declining market. Divergence from the underlying index and the composition of the portfolio is monitored by BFA.

Market risk arises mainly from uncertainty about future values of financial instruments influenced by price, currency and interest rate movements. It represents the potential loss a fund may suffer through holding market positions in the face of market movements. A fund is exposed to market risk by its investment in equity, fixed income and/or financial derivative instruments or by its investment in underlying funds. The fair value of securities held by a fund may decline due to general market conditions, economic trends or events that are not specifically related to the issuers of the securities including local, regional or global political, social or economic instability or to factors that affect a particular industry or group of industries. The extent of a fund’s exposure to market risk is the market value of the investments held as shown in the fund’s schedule of investments.

A diversified portfolio, where this is appropriate and consistent with a fund’s objectives, minimizes the risk that a price change of a particular investment will have a material impact on the NAV of a fund. The investment concentrations within each Fund’s portfolio are disclosed in its schedule of investments.

Changes in market interest rates or economic conditions may affect the value and/or liquidity of fixed income investments. Interest rate risk is the risk that prices of bonds and other fixed-income securities will decrease as interest rates rise and increase as interest rates fall. Securities with longer durations tend to be more sensitive to interest rate changes, usually making their prices more volatile than those of securities with shorter durations. Given the environment of historically low interest rates, a fund may be subject to a greater risk of price losses if interest rates rise.

Credit risk is the risk that an issuer or guarantor of debt instruments or the counterparty to a financial transaction, including derivatives contracts, repurchase agreements or loans of portfolio securities, is unable or unwilling to make timely interest and/or principal payments or to otherwise honor its obligations. BFA and its affiliates manage counterparty credit risk by entering into transactions only with counterparties that they believe have the financial resources to honor their obligations and by monitoring the financial stability of those counterparties. Financial assets, which potentially expose a fund to issuer and counterparty credit risks, consist principally of financial instruments and receivables due from counterparties. The extent of a fund’s exposure to credit and counterparty risks with respect to those financial assets is approximated by their value recorded in its statement of assets and liabilities.

Each Fund is treated as an entity separate from the Trust’s other funds for federal income tax purposes. It is the policy of each Fund to qualify as a regulated investment company by complying with the provisions applicable to regulated investment companies, as defined under Subchapter M of the Internal Revenue Code of 1986, as amended, and to annually distribute substantially all of its ordinary income and any net capital gains (taking into account any capital loss carryforwards) sufficient to relieve it from all, or substantially all, federal income and excise taxes. Accordingly, no provision for federal income taxes is required.

U.S. GAAP requires that certain components of net assets be adjusted to reflect permanent differences between financial and tax reporting. These reclassifications have no effect on net assets or NAV per share. The following permanent differences as of February 28, 2018, attributable to the expiration of capital loss carryforwards and realized gains (losses) from in-kind redemptions, were reclassified to the following accounts:

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Funds had capital loss carryforwards available to offset future realized capital gains through the indicated expiration dates as follows:

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

Management has analyzed tax laws and regulations and their application to the Funds as of February 28, 2018, inclusive of the open tax return years, and does not believe there are any uncertain tax positions that require recognition of a tax liability in the Funds’ financial statements.

On June 16, 2016, investors (the “Plaintiffs”) in certain iShares funds (iShares Core S&P Small-Cap ETF, iShares Russell 1000 Growth ETF, iShares Core S&P 500 ETF, iShares Russell Mid-Cap Growth ETF, iShares Russell Mid-Cap ETF, iShares Russell Mid-Cap Value ETF, iShares Select Dividend ETF, iShares Morningstar Mid-Cap ETF, iShares Morningstar Large-Cap ETF, iShares U.S. Aerospace & Defense ETF and iShares U.S. Preferred Stock ETF) filed a putative class action lawsuit against iShares Trust, BlackRock, Inc. and certain of its advisory affiliates, and certain directors/trustees and officers of the Funds (collectively, “Defendants”) in California State Court. The lawsuit alleges the Defendants violated federal securities laws by failing to adequately disclose in the prospectuses issued by the funds noted above the risks of using stop-loss orders in the event of a ‘flash crash’, such as the one that occurred on May 6, 2010. On September 18, 2017, the court issued a Statement of Decision holding that the Plaintiffs lack standing to assert their claims. On October 11, 2017, the court entered final judgment dismissing all of the Plaintiffs’ claims with prejudice. Plaintiffs have appealed the court’s decision.

Management has evaluated the impact of all subsequent events on the Funds through the date the financial statements were available to be issued and has determined that there were no subsequent events requiring adjustment or disclosure in the financial statements.

Shareholders of iShares Short Treasury Bond ETF, iShares 1-3 Year Treasury Bond ETF,

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares Short Treasury Bond ETF, iShares 1-3 Year Treasury Bond ETF, iShares 3-7 Year Treasury Bond ETF, iShares 7-10 Year Treasury Bond ETF, Shares 10-20 Year Treasury Bond ETF and iShares 20+ Year Treasury Bond ETF (six of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations for the year ended February 28, 2018, the statements of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, the results of each of their operations for the year then ended, the changes in each of their net assets for each of the two years in the period ended February 28, 2018 and each of the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

These financial statements are the responsibility of the Funds’ management. Our responsibility is to express an opinion on the Funds’ financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Funds in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits of these financial statements in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. Our procedures included confirmation of securities owned as of February 28, 2018 by correspondence with the custodian, transfer agent and brokers; when replies were not received from brokers, we performed other auditing procedures. We believe that our audits provide a reasonable basis for our opinions.

We have served as the auditor of one or more BlackRock investment companies since 2000.

For the fiscal year ended February 28, 2018, the Funds hereby designate the following maximum amounts allowable as interest-related dividends eligible for exemption from U.S. withholding tax for nonresident aliens and foreign corporations:

The Funds hereby designate the following amounts of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018:

The law varies in each state as to whether and what percentage of ordinary income dividends attributable to federal obligations is exempt from state income tax. Shareholders are advised to check with their tax advisers to determine if any portion of the dividends received is exempt from state income tax.

A special meeting of the shareholders of each series of iShares Trust (the “Trust”) was held on June 19, 2017, to elect five Trustees to the Board of Trustees of the Trust. The five nominees were Jane D. Carlin, Richard L. Fagnani, Drew E. Lawton, Madhav V. Rajan and Mark Wiedman, all of whom were elected as Trustees at the special meeting. The other Trustees whose terms of office as Trustees continued after the special meeting are Cecilia H. Herbert, Charles A. Hurty, John E. Kerrigan, John E. Martinez and Robert S. Kapito.

The amounts and sources of distributions reported are estimates and are provided pursuant to regulatory requirements and are not being provided for tax reporting purposes. The actual amounts and sources for tax reporting purposes will depend upon each Fund’s investment experience during the year and may be subject to changes based on the tax regulations. Shareholders will receive a Form 1099-DIV each calendar year that will inform them how to report these distributions for federal income tax purposes.

The Premium/Discount Information section is intended to present information about the differences between the daily market price on secondary markets for shares of a fund and that fund’s NAV. NAV is the price at which a fund issues and redeems shares. It is calculated in accordance with the standard formula for valuing mutual fund shares. The “Market Price” of a fund generally is determined using the midpoint between the highest bid and the lowest ask on the primary securities exchange on which shares of such fund are listed for trading, as of the time that the fund’s NAV is calculated. A fund’s Market Price may be at, above or below its NAV. The NAV of a fund will fluctuate with changes in the value of its portfolio holdings. The Market Price of a fund will fluctuate in accordance with changes in its NAV, as well as market supply and demand.

Premiums or discounts are the differences (expressed as a percentage) between the NAV and Market Price of a fund on a given day, generally at the time the NAV is calculated. A premium is the amount that a fund is trading above the reported NAV, expressed as a percentage of the NAV. A discount is the amount that a fund is trading below the reported NAV, expressed as a percentage of the NAV.

Premium/discount information for the Funds covering the most recently completed calendar year and the most recently completed calendar quarters since that year (or the life of the Fund, if shorter) is publicly accessible, free of charge, at www.iShares.com.

The following information shows the frequency of distributions of premiums and discounts for the Funds for the immediately preceding five calendar years (or from the inception date of the Fund, if less than five years) through the date of the most recent calendar quarter-end. Each line in each table shows the number of trading days in which the Fund traded within the premium/discount range indicated. The number of trading days in each premium/discount range is also shown as a percentage of the total number of trading days in the period covered by each table. All data presented here represents past performance, which cannot be used to predict future results.

The Alternative Investment Fund Managers Directive (“AIFMD”) imposes detailed and prescriptive obligations on fund managers established in the European Union (the “EU”). These do not currently apply to managers established outside the EU, such as BFA. Rather, non-EU managers are only required to comply with certain disclosure, reporting and transparency obligations of the AIFMD if such managers market a fund to EU investors.

BFA has registered the the iShares 7-10 Year Treasury Bond ETF and iShares 20+ Year Treasury Bond ETF (each a “Fund”, collectively the “Funds”) for marketing to investors in the United Kingdom, the Netherlands, Finland, Sweden, and Luxembourg.

BFA is required under the AIFMD to make quantitative disclosures of remuneration. These disclosures are made in line with BlackRock’s interpretation of currently available regulatory guidance on quantitative remuneration disclosures. As market or regulatory practice develops BlackRock may consider it appropriate to make changes to the way in which quantitative remuneration disclosures are calculated. Where such changes are made, this may result in disclosures in relation to a fund not being comparable to the disclosures made in the prior year, or in relation to other BlackRock fund disclosures in that same year.

Disclosures are provided in relation to (a) the staff of BFA; (b) staff who are senior management; and (c) staff who have the ability to materially affect the risk profile of the Funds.

All individuals included in the aggregated figures disclosed are rewarded in line with BlackRock’s remuneration policy for their responsibilities across the relevant BlackRock business area. As all individuals have a number of areas of responsibilities, only the portion of remuneration for those individuals’ services attributable to the Funds is included in the aggregate figures disclosed.

BlackRock has a clear and well-defined pay-for-performance philosophy, and compensation programs which support that philosophy.

BlackRock operates a total compensation model for remuneration which includes a base salary, which is contractual, and a discretionary bonus scheme. Although all employees are eligible to receive a discretionary bonus, there is no contractual obligation to make a discretionary bonus award to any employees. For senior management, a significant percentage of variable remuneration is deferred over time. All employees are subject to a claw-back policy.

Remuneration decisions for employees are made once annually in January following the end of the performance year, based on BlackRock’s full-year financial results and other non-financial goals and objectives. Alongside financial performance, individual total compensation is also based on strategic and operating results and other considerations such as management and leadership capabilities. No set formulas are established and no fixed benchmarks are used in determining annual incentive awards.

Annual incentive awards are paid from a bonus pool which is reviewed throughout the year by BlackRock’s independent compensation committee, taking into account both actual and projected financial information together with information provided by the Enterprise Risk and Regulatory Compliance departments in relation to any activities, incidents or events that warrant consideration in making compensation decisions. Individuals are not involved in setting their own remuneration.

Each of the control functions (Enterprise Risk, Legal & Compliance, and Internal Audit) each have their own organizational structures which are independent of the business units. Functional bonus pools for those control functions are determined with reference to the performance of each individual function and the remuneration of the senior members of control functions is directly overseen by BlackRock’s independent compensation committee.

Members of staff and senior management of BFA typically provide both AIFMD and non-AIFMD related services in respect of multiple funds, clients and functions of BFA and across the broader BlackRock group. Therefore, the figures disclosed are a sum of each individual’s portion of remuneration attributable to the Funds according to an objective apportionment methodology which acknowledges the multiple-service nature of BFA. Accordingly the figures are not representative of any individual’s actual remuneration or their remuneration structure.

The amount of the total remuneration awarded by BFA to its staff which has been attributed to the iShares 7-10 Year Treasury Bond ETF in respect of BFA’s financial year ending December 31, 2017 was USD 732.37 thousand. This figure is comprised of

fixed remuneration of USD 291.91 thousand and variable remuneration of USD 440.46 thousand. There were a total of 417 beneficiaries of the remuneration described above.

The amount of the aggregate remuneration awarded by BFA, which has been attributed to the iShares 7-10 Year Treasury Bond ETF in respect of BFA’s financial year ending December 31, 2017, to its senior management was USD 102.46 thousand, and to members of its staff whose actions have a material impact on the risk profile of the Fund was USD 19.09 thousand.

The amount of the total remuneration awarded by BFA to its staff which has been attributed to the iShares 20+ Year Treasury Bond ETF in respect of BFA’s financial year ending December 31, 2017 was USD 673.37 thousand. This figure is comprised of fixed remuneration of USD 268.4 thousand and variable remuneration of USD 404.98 thousand. There were a total of 417 beneficiaries of the remuneration described above.

The amount of the aggregate remuneration awarded by BFA, which has been attributed to the iShares 20+ Year Treasury Bond ETF in respect of BFA’s financial year ending December 31, 2017, to its senior management was USD 94.2 thousand, and to members of its staff whose actions have a material impact on the risk profile of the Fund was USD 17.55 thousand.

The Board of Trustees has responsibility for the overall management and operations of the Funds, including general supervision of the duties performed by BFA and other service providers. Each Trustee serves until he or she resigns, is removed, dies, retires or becomes incapacitated. Each officer shall hold office until his or her successor is elected and qualifies or until his or her death, resignation or removal. Trustees who are not “interested persons” (as defined in the 1940 Act) of the Trust are referred to as independent trustees (“Independent Trustees”).

The registered investment companies advised by BFA or its affiliates (the “BlackRock-advised Funds”) are organized into one complex of closed-end funds, two complexes of open-end funds and one complex of exchange-traded funds (“Exchange-Traded Fund Complex”) (each, a “BlackRock Fund Complex”). Each Fund is included in the BlackRock Fund Complex referred to as the Exchange-Traded Fund Complex. Each Trustee also serves as a Director of iShares, Inc. and a Trustee of iShares U.S. ETF Trust and, as a result, oversees a total of 347 funds (as of February 28, 2018) within the Exchange-Traded Fund Complex. Drew E. Lawton, from October 2016 to June 2017, and Richard L. Fagnani, from April 2017 to June 2017, served as a member of the advisory board (“Advisory Board,” members of which are “Advisory Board Members”) for iShares Trust, iShares, Inc. and iShares U.S. ETF Trust with respect to all funds within the Exchange-Traded Fund Complex. With the exception of Robert S. Kapito, Mark K. Wiedman, Charles Park, Martin Small and Benjamin Archibald, the address of each Trustee, and officer is c/o BlackRock, Inc., 400 Howard Street, San Francisco, CA 94105. The address of Mr. Kapito, Mr. Wiedman, Mr. Park, Mr. Small and Mr. Archibald is c/o BlackRock, Inc., Park Avenue Plaza, 55 East 52^nd Street, New York, NY 10055. The Board has designated Cecilia H. Herbert as its Independent Board Chair. Additional information about the Funds’ Trustees and officers may be found in the Funds’ combined Statement of Additional Information, which is available without charge, upon request, by calling toll-free 1-800-iShares (1-800-474-2737).

Shareholders can sign up for email notifications announcing that the shareholder report or prospectus has been posted on the iShares website at www.iShares.com. Once you have enrolled, you will no longer receive prospectuses and shareholder reports in the mail.

Householding is an option available to certain fund investors. Householding is a method of delivery, based on the preference of the individual investor, in which a single copy of certain shareholder documents can be delivered to investors who share the same address, even if their accounts are registered under different names. Please contact your broker-dealer if you are interested in enrolling in householding and receiving a single copy of prospectuses and other shareholder documents, or if you are currently enrolled in householding and wish to change your householding status.

The iShares Funds file their complete schedule of portfolio holdings with the SEC for the first and third quarters of each fiscal year on Form N-Q. The iShares Funds’ Forms N-Q are available on the SEC’s website and may be reviewed and copied at the SEC’s Public Reference Room in Washington, D.C. Information on the operation of the Public Reference Room may be obtained by calling 1-800-SEC-0330. The iShares Funds also disclose their complete schedule of portfolio holdings on a daily basis on the iShares website.

A description of the policies and procedures that the iShares Funds use to determine how to vote proxies relating to portfolio securities and information about how the iShares Funds voted proxies relating to portfolio securities during the most recent twelve-month period ending June 30 is available without charge, upon request (1) by calling toll-free 1-800-474-2737; (2) on the iShares website at www.iShares.com; and (3) on the SEC website at www.sec.gov.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

The iShares Funds are not sponsored, endorsed, issued, sold or promoted by Interactive Data Pricing and Reference Data LLC, nor does this company make any representation regarding the advisability of investing in the iShares Funds. BlackRock is not affiliated with the company listed above.

Performance in the municipal bond market was positive overall during the 12 months ended February 28, 2018 (“reporting period”). The S&P National AMT-Free Municipal Bond Index returned 2.45% for the reporting period, compared with the 0.51% return of the Bloomberg Barclays U.S. Aggregate Bond Index, a broad measure of U.S. bond performance.

The U.S. economy strengthened during the reporting period; the final nine months of 2017 were the strongest three consecutive quarters of economic growth in more than 12 years. Key economic drivers included an increase in manufacturing activity and the lowest unemployment rate since December 2000. Despite an improving economy, the annual inflation rate remained near the 2% level targeted by the U.S. Federal Reserve Bank (“Fed”). However, signs of increasing consumer inflation emerged late in the reporting period, including a sharp rise in energy prices and higher prices at the producer level. Inflation is typically measured in terms of both final (consumer) and intermediate (producer) goods; the Fed targets inflation in final goods.

Municipal bonds rallied during the first half of the reporting period as strong investor demand led to lower municipal bond yields and higher municipal bond prices. In particular, investors sought out the higher yields of lower-quality municipal securities, which outperformed higher-quality municipal bonds for the reporting period.

In the latter half of the reporting period, municipal bond market conditions grew increasingly volatile, in part due to a stronger economy, signs of rising inflation, and the Fed’s interest rate increases, which drove yields higher across all segments of the U.S. bond market.

But the most significant source of volatility was concern about the potential impact of federal tax reform legislation, passed in December 2017, which dampened bond market returns due to rising inflation expectations. In addition, several components of the legislation affected municipal bonds. For example, the legislation eliminated the tax exemption for “advanced refunding” municipal bonds, which are issued by municipalities when prevailing interest rates are low to refinance existing bonds prior to maturity. In response, state and local governments rushed to issue advanced refunding municipal bonds in late 2017 before the law took effect at the beginning of 2018. The sharp increase in issuance drove municipal bond yields higher late in the reporting period.

The steep reduction in corporate tax rates led to concerns about decreased demand for municipal bonds from insurance companies and banks, which make up nearly a quarter of the investor base for tax-advantaged municipal bonds.

For the reporting period, intermediate- and long-term bonds posted the best returns as their yields were largely unchanged. In contrast, returns for short-term municipal bonds were modestly positive as short-term yields rose, reflecting the Fed interest rate increases.

Among individual states, California municipal bonds performed in line with the broader municipal bond market, while New York municipal bonds underperformed. The state of California continued to generate a budget surplus, which allowed the state to expand its “rainy day” reserve fund. In contrast, New York faced a continued budget deficit that was exacerbated by lower-than-expected tax revenues.

The iShares California Muni Bond ETF (the “Fund”) seeks to track the investment results of an index composed of investment-grade municipal bonds issued in the State of California, as represented by the S&P California AMT-Free Municipal Bond Index^TM(the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 2.21%, net of fees, while the total return for the Index was 2.48%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


S&P Credit Rating¹		Percentage of Total Investments²


A-1	1.72	%
A-1+	0.21
AAA	9.66
AA+	14.66
AA	21.79
AA-	38.48
A+	5.98
A	0.46
A-	0.22
BBB+	0.25
BBB	0.80
BBB-	0.59
Not Rated	5.18

TOTAL	100.00	%

FIVE LARGEST FUND HOLDINGS

As of 2/28/18


Security		Percentage of Total Investments²


State of California GO, 5.00%, 07/01/20	0.95	%
Metropolitan Water District of Southern California RB, 0.94%, 07/01/35	0.78
Los Angeles Community College District/CA GO, 5.00%, 08/01/30	0.72
State of California GO, 6.00%, 04/01/38	0.72
State of California GO, 5.00%, 07/01/18	0.69

TOTAL	3.86	%

The iShares National Muni Bond ETF (the “Fund”) seeks to track the investment results of an index composed of investment-grade U.S. municipal bonds, as represented by the S&P National AMT-Free Municipal Bond Index^TM(the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 2.04%, net of fees, while the total return for the Index was 2.45%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


S&P Credit Rating¹		Percentage of Total Investments²


AAA	23.94	%
AA+	13.89
AA	19.21
AA-	18.18
A+	9.06
A	3.66
A-	1.86
BBB+	3.49
BBB	0.25
BBB-	1.82
BB+	0.10
Not Rated	4.54

TOTAL	100.00	%

TEN LARGEST STATES

As of 2/28/18


State		Percentage of Total Investments²


California	22.75	%
New York	22.17
Texas	8.60
Massachusetts	5.22
New Jersey	4.84
Illinois	3.71
Florida	3.28
Pennsylvania	3.25
Washington	2.85
Maryland	2.37

TOTAL	79.04	%

The inception date of the Fund was 11/5/08. The first day of secondary market trading was 11/7/08.

The iShares Short-Term National Muni Bond ETF (the “Fund”) seeks to track the investment results of an index composed of investment-grade U.S. municipal bonds with remaining maturities between one month and five years, as represented by the S&P Short Term National AMT-Free Municipal Bond Index^TM(the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.16%, net of fees, while the total return for the Index was 0.56%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


S&P Credit Rating¹		Percentage of Total Investments²


AAA	30.20	%
AA+	12.94
AA	22.00
AA-	14.62
A+	6.54
A	2.15
A-	2.60
BBB+	3.43
BBB-	2.42
Not Rated	3.10

TOTAL	100.00	%

TEN LARGEST STATES

As of 2/28/18


State		Percentage of Total Investments²


California	18.88	%
New York	16.19
Massachusetts	6.88
Texas	6.64
New Jersey	4.99
Maryland	4.78
Georgia	3.99
Pennsylvania	3.72
North Carolina	3.54
Illinois	3.39

TOTAL	73.00	%

The iShares New York Muni Bond ETF (the “Fund”) seeks to track the investment results of an index composed of investment-grade municipal bonds issued in the State of New York, as represented by the S&P New York AMT-Free Municipal Bond Index^TM(the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 1.79%, net of fees, while the total return for the Index was 2.01%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


S&P Credit Rating¹		Percentage of Total Investments²


A-1	0.33	%
A-1+	0.03
AAA	39.30
AA+	9.78
AA	16.16
AA-	19.35
A+	3.56
A	1.21
A-	5.78
BBB	0.42
Not Rated	4.08

TOTAL	100.00	%

FIVE LARGEST FUND HOLDINGS

As of 2/28/18


Security		Percentage of Total Investments²


New York State Thruway Authority RB, 5.00%, 05/01/19	1.50	%
New York State Thruway Authority RB, 5.25%, 01/01/56	0.84
Triborough Bridge & Tunnel Authority RB, 5.00%, 11/15/37	0.81
Utility Debt Securitization Authority RB, 5.00%, 12/15/41	0.77
City of New York NY GO, 5.00%, 08/01/31	0.76

TOTAL	4.68	%


Security		Principal (000s)		Value
MUNICIPAL BONDS & NOTES — 99.72%

CALIFORNIA — 99.72%
Acalanes Union High School District GO
Series A
0.00%, 08/01/39	(Call 08/01/29)^a	$	200	$	181,438
Series B
0.00%, 08/01/46	(PR 08/01/21)^a		2,580		402,686
Alameda Corridor Transportation Authority RB
Series B
5.00%, 10/01/35	(Call 10/01/26)		2,000		2,234,800
5.00%, 10/01/36	(Call 10/01/26)		600		678,060
Alameda County Transportation Commission RB
4.00%, 03/01/22			535		581,711
Allan Hancock Joint Community College District/CA GO
Series C
0.00%, 08/01/47	(Call 08/01/40)^a		1,000		618,590
Alvord Unified School District GO
Series B
0.00%, 08/01/43	(AGM)^a		2,500		877,125
Anaheim Housing & Public Improvements Authority RB
5.00%, 10/01/35	(PR 10/01/21)		210		233,972
5.00%, 10/01/35	(Call 10/01/21)		290		318,858
5.00%, 10/01/41	(PR 10/01/21)		425		473,514
5.00%, 10/01/41	(Call 10/01/21)		575		628,682
Bay Area Toll Authority RB
1.38%, 04/01/53	(Put 04/01/20)^b		1,300		1,292,980
2.00%, 04/01/53	(Put 04/01/24)^b		1,500		1,462,065
2.10%, 04/01/45	(Put 10/01/22)^b		1,050		1,051,438
2.13%, 04/01/53	(Put 04/01/25)^b		1,200		1,165,620
2.85%, 04/01/47	(Put 04/01/25)^b		750		769,965
2.95%, 04/01/47	(Put 04/01/26)^b		750		766,905
4.00%, 04/01/29	(Call 04/01/27)		500		551,180
4.00%, 04/01/33	(Call 04/01/27)		1,200		1,284,888
4.00%, 04/01/37	(Call 04/01/27)		2,000		2,107,420
4.00%, 04/01/47	(Call 04/01/27)		2,000		2,075,600
4.00%, 04/01/49	(Call 04/01/27)		500		517,325
5.00%, 04/01/28			400		490,612


Security		Principal (000s)		Value
Series C
1.88%, 04/01/47	(Put 04/01/19)^b	$	2,875	$	2,882,676
Series E
2.00%, 04/01/34	(Put 04/01/21)^b		1,000		1,003,510
Series F-1
4.00%, 04/01/18			1,685		1,688,758
5.00%, 04/01/21			205		225,933
5.00%, 04/01/25	(PR 04/01/19)		380		394,907
5.00%, 04/01/27	(Call 04/01/22)		1,000		1,124,500
5.00%, 04/01/28	(PR 04/01/19)		375		389,711
5.00%, 04/01/28	(Call 04/01/22)		1,200		1,345,380
5.00%, 04/01/31	(Call 04/01/22)		1,350		1,506,789
5.00%, 04/01/34	(PR 04/01/19)		1,695		1,761,495
5.00%, 04/01/39	(PR 04/01/18)		2,150		2,156,751
5.00%, 04/01/54	(Call 04/01/24)		3,150		3,481,128
5.00%, 04/01/56	(Call 04/01/27)		1,405		1,573,502
5.13%, 04/01/39	(PR 04/01/19)		1,000		1,040,570
5.13%, 04/01/47	(PR 04/01/18)		225		225,731
5.25%, 04/01/24	(PR 04/01/19)		1,140		1,187,766
5.25%, 04/01/27	(PR 04/01/19)		120		125,028
5.50%, 04/01/43	(PR 04/01/18)		1,620		1,625,751
5.63%, 04/01/44	(PR 04/01/19)		500		522,955
Series F-2
4.00%, 04/01/20			500		526,245
Series S-2
5.00%, 10/01/42	(PR 10/01/20)		695		756,521
Series S-4
5.00%, 04/01/32	(PR 04/01/23)		500		574,200
5.00%, 04/01/38	(PR 04/01/23)		545		625,878
5.00%, 04/01/43	(PR 04/01/23)		1,750		2,009,700
5.25%, 04/01/48	(PR 04/01/23)		250		290,110
5.25%, 04/01/53	(PR 04/01/23)		1,000		1,160,440
Series S-6
5.00%, 10/01/54	(Call 10/01/24)		2,835		3,146,226
Bay Area Water Supply & Conservation Agency RB
Series A
5.00%, 10/01/34	(Call 04/01/23)		350		395,420
California Educational Facilities Authority RB
5.00%, 04/01/45	(Call 04/01/25)		1,000		1,108,595
5.00%, 10/01/49	(Call 04/01/26)		250		282,953
5.25%, 04/01/40			175		227,556


Security		Principal (000s)		Value
Series T-1
5.00%, 03/15/39		$	220	$	276,401
Series U-3
5.00%, 06/01/43			1,640		2,095,248
Series U-5
5.00%, 05/01/21			1,380		1,525,521
Series U-6
5.00%, 05/01/45			2,010		2,585,684
Series U-7
5.00%, 06/01/46			2,150		2,775,908
California Infrastructure & Economic Development Bank RB
5.00%, 10/01/20			500		543,850
5.00%, 10/01/21			1,000		1,115,370
5.00%, 10/01/22			800		911,064
5.00%, 07/01/23	(ETM) (AGM)		250		288,695
5.00%, 10/01/28	(Call 04/01/28)		500		609,610
5.00%, 07/01/29	(PR 01/01/28) (FGIC)		810		987,665
5.00%, 07/01/33	(PR 01/01/28) (AMBAC)		1,370		1,682,922
5.00%, 07/01/36	(PR 01/01/28) (AMBAC)		740		909,023
5.00%, 05/15/42	(Call 05/15/28)		1,000		1,156,530
Series A
4.00%, 10/01/45	(Call 10/01/26)		500		521,020
5.00%, 10/01/41	(Call 10/01/26)		700		806,918
California Municipal Finance Authority RB
5.00%, 06/01/42	(Call 06/01/27)		500		574,545
5.00%, 01/01/48	(Call 01/01/28)		1,000		1,157,150
Series A
1.09%, 08/01/28	(Put 03/01/18)^b		500		500,000
California State Public Works Board RB
6.00%, 11/01/34	(PR 11/01/19)		360		386,636
Series A
5.00%, 12/01/19	(AMBAC)		140		145,754
5.00%, 04/01/20			350		374,847
5.00%, 04/01/24	(Call 04/01/22)		1,000		1,121,570
5.00%, 04/01/26	(Call 04/01/22)		225		251,226
5.00%, 09/01/26	(Call 09/01/24)		1,250		1,446,887


Security		Principal (000s)		Value
5.00%, 09/01/29	(Call 09/01/24)	$	300	$	342,981
5.00%, 04/01/30	(Call 04/01/22)		1,500		1,663,035
5.00%, 04/01/32	(Call 04/01/22)		405		447,351
5.00%, 09/01/32	(Call 09/01/24)		1,000		1,133,670
5.00%, 04/01/34	(Call 04/01/22)		510		561,867
5.00%, 09/01/34	(Call 09/01/24)		1,000		1,126,700
5.00%, 04/01/37	(Call 04/01/22)		1,000		1,101,700
5.00%, 03/01/38	(Call 03/01/23)		695		769,261
5.00%, 09/01/39	(Call 09/01/24)		500		558,945
Series A-1
5.75%, 03/01/30	(PR 03/01/20)		375		406,553
Series B
5.00%, 10/01/39	(Call 10/01/24)		2,000		2,238,480
Series C
4.00%, 10/01/20			270		286,527
Series D
5.00%, 06/01/27	(Call 06/01/23)		340		385,662
5.00%, 12/01/27	(Call 12/01/21)		975		1,078,945
5.00%, 12/01/31	(Call 12/01/21)		1,000		1,099,390
Series E
5.00%, 09/01/20			2,665		2,888,673
5.00%, 10/01/26			1,000		1,191,120
5.00%, 06/01/28	(Call 06/01/23)		895		1,012,827
5.00%, 04/01/34	(PR 04/01/19)		370		384,312
Series F
5.00%, 05/01/18			300		301,860
5.00%, 05/01/19			500		521,055
5.00%, 09/01/20			375		406,474
5.00%, 05/01/23			3,595		4,119,654
5.00%, 05/01/26	(Call 05/01/25)		1,125		1,312,402
5.00%, 05/01/28	(Call 05/01/25)		350		404,569
Series G
5.00%, 01/01/21			1,360		1,484,277
5.00%, 12/01/31	(PR 12/01/21)		500		560,225
5.00%, 11/01/37	(Call 11/01/22)		1,000		1,114,980
Series G-1
5.00%, 10/01/21	(PR 10/01/19)		100		105,575
5.13%, 10/01/22	(PR 10/01/19)		275		290,865
5.25%, 10/01/23	(PR 10/01/19)		105		111,262
Series I
5.00%, 11/01/23			475		549,556
5.00%, 11/01/38	(Call 11/01/23)		2,000		2,240,020


Security		Principal (000s)		Value
Series I-1
6.13%, 11/01/29	(PR 11/01/19)	$	780	$	839,982
California State University RB
Series A
4.00%, 11/01/28	(Call 11/01/22)		180		193,869
4.00%, 11/01/35	(Call 05/01/26)		670		703,299
4.00%, 11/01/37	(Call 05/01/26)		455		475,625
4.00%, 11/01/38	(Call 05/01/26)		210		219,213
4.00%, 11/01/45	(Call 05/01/26)		785		810,944
5.00%, 11/01/23			1,000		1,163,940
5.00%, 11/01/24	(Call 11/01/21)		750		835,275
5.00%, 11/01/27	(Call 11/01/24)		400		469,060
5.00%, 11/01/27	(Call 11/01/22)		1,000		1,133,410
5.00%, 11/01/29	(Call 05/01/26)		1,000		1,185,170
5.00%, 11/01/29	(Call 11/01/24)		200		233,450
5.00%, 11/01/30	(Call 11/01/25)		1,000		1,173,350
5.00%, 11/01/30	(Call 05/01/27)		520		622,097
5.00%, 11/01/31	(Call 05/01/27)		500		595,025
5.00%, 11/01/32	(Call 05/01/26)		2,490		2,916,960
5.00%, 11/01/33	(Call 11/01/24)		1,000		1,155,870
5.00%, 11/01/33	(Call 11/01/25)		500		581,370
5.00%, 11/01/33	(PR 05/01/18) (AGM)		960		966,077
5.00%, 11/01/33	(Call 05/01/18) (AGM)		25		25,159
5.00%, 11/01/35	(Call 11/01/25)		1,325		1,532,667
5.00%, 11/01/35	(Call 05/01/27)		450		523,976
5.00%, 11/01/37	(Call 11/01/21)		2,410		2,648,903
5.00%, 11/01/37	(Call 11/01/22)		325		362,671
5.00%, 11/01/37	(Call 05/01/27)		1,555		1,798,451
5.00%, 11/01/39	(Call 11/01/24)		500		570,015
5.00%, 11/01/39	(PR 05/01/18) (AGM)		845		850,349
5.00%, 11/01/39	(Call 05/01/18) (AGM)		10		10,062
5.00%, 11/01/44	(Call 11/01/24)		1,290		1,454,694
5.00%, 11/01/45	(Call 05/01/26)		2,260		2,569,281
5.00%, 11/01/47	(Call 11/01/25)		1,200		1,363,188
5.00%, 11/01/47	(Call 05/01/27)		1,900		2,156,766
5.25%, 11/01/34	(PR 05/01/19)		250		261,248
Series B-2
4.00%, 11/01/49	(Put 11/01/21)^b		200		213,916
Series B-3
4.00%, 11/01/51	(Put 11/01/23)^b		200		218,294


Security		Principal (000s)		Value
California Statewide Communities Development Authority RB
5.00%, 05/15/40	(Call 05/15/26)	$	250	$	277,278
Centinela Valley Union High School District GO
Series B
4.00%, 08/01/50	(Call 08/01/26)		300		307,539
Cerritos Community College District GO
Series A
4.00%, 08/01/44	(Call 08/01/24)		250		256,540
5.00%, 08/01/39	(Call 08/01/24)		500		566,670
Chabot-Las Positas Community College District GO
4.00%, 08/01/33	(Call 08/01/26)		1,000		1,060,100
4.00%, 08/01/34	(Call 08/01/26)		1,000		1,056,310
5.00%, 08/01/31	(Call 08/01/23)		300		340,842
Series A
4.00%, 08/01/19			1,000		1,037,700
4.00%, 08/01/20			500		530,010
4.00%, 08/01/47	(Call 08/01/27)		1,000		1,027,650
Chaffey Joint Union High School District GO
Series B
4.00%, 08/01/44	(Call 02/01/25)		500		515,535
City & County of San Francisco CA COP
Series A
5.00%, 04/01/29	(Call 04/01/19)		400		414,768
City & County of San Francisco CA GO
Series R1
5.00%, 06/15/18			500		505,455
5.00%, 06/15/19			395		413,522
5.00%, 06/15/20			500		539,995
5.00%, 06/15/21			400		443,628
5.00%, 06/15/26	(Call 06/15/23)		500		574,875
City of Long Beach CA Harbor Revenue RB
Series C
4.00%, 11/15/18			150		152,907
5.00%, 11/15/18			2,420		2,483,767
5.00%, 05/15/47	(Call 05/15/27)		1,000		1,144,180


Security		Principal (000s)		Value
City of Los Angeles CA GO
Series B
5.00%, 09/01/19		$	630	$	663,875
5.00%, 09/01/20			2,810		3,052,334
City of Los Angeles CA Wastewater System Revenue RB
Series A
4.00%, 06/01/42	(Call 06/01/27)		500		522,805
5.00%, 06/01/19			910		951,041
5.00%, 06/01/20			725		781,854
5.00%, 06/01/35	(Call 06/01/23)		2,450		2,767,373
5.00%, 06/01/43	(Call 06/01/23)		500		556,670
Series B
5.00%, 06/01/22			250		282,893
5.00%, 06/01/23			435		502,264
5.00%, 06/01/30	(Call 06/01/22)		170		190,147
5.00%, 06/01/32	(Call 06/01/22)		500		557,960
Series C
5.00%, 06/01/45	(Call 06/01/25)		1,915		2,174,731
City of Los Angeles Department of Airports RB
Series A
5.00%, 05/15/26	(Call 05/15/20)		500		535,850
5.00%, 05/15/27	(Call 05/15/20)		245		262,513
5.00%, 05/15/28	(Call 05/15/20)		800		857,000
5.00%, 05/15/32	(Call 05/15/20)		1,490		1,595,164
5.00%, 05/15/40	(Call 05/15/20)		2,490		2,662,930
Series B
5.00%, 05/15/35	(Call 05/15/22)		500		554,620
5.00%, 05/15/42	(Call 05/15/27)		1,500		1,713,690
Series C
5.00%, 05/15/38	(Call 05/15/25)		1,750		1,969,100
Series D
5.00%, 05/15/40	(Call 05/15/20)		1,450		1,550,702
City of Sacramento CA Water Revenue RB
5.00%, 09/01/42	(Call 09/01/23)		380		426,641
City of San Francisco CA Public Utilities Commission Water Revenue RB
4.00%, 11/01/39	(Call 05/01/22)		415		425,387
5.00%, 11/01/22			1,500		1,714,485
5.00%, 11/01/25	(Call 05/01/25)		200		236,778


Security		Principal (000s)		Value
5.00%, 11/01/27	(Call 11/01/26)	$	500	$	602,865
5.00%, 11/01/29	(Call 11/01/26)		1,000		1,193,630
5.00%, 11/01/32	(Call 05/01/25)		1,000		1,153,800
5.00%, 11/01/32	(PR 05/01/22)		1,525		1,721,191
5.00%, 11/01/34	(Call 11/01/26)		1,695		1,984,320
5.00%, 11/01/36	(Call 05/01/25)		800		909,600
Series A
4.00%, 11/01/39	(Call 11/01/26)		1,000		1,043,140
4.00%, 11/01/41	(Call 05/01/22)		720		735,775
5.00%, 11/01/30	(PR 11/01/21)		500		559,115
5.00%, 11/01/33	(PR 05/01/22)		1,000		1,128,650
5.00%, 11/01/37	(Call 11/01/21)		1,000		1,106,200
5.00%, 11/01/41	(Call 11/01/21)		700		767,837
5.00%, 11/01/43	(Call 05/01/22)		1,105		1,218,163
Series D
5.00%, 11/01/33	(Call 11/01/27)		1,000		1,191,640
Series F
5.00%, 11/01/25	(PR 11/01/20)		1,175		1,281,972
City of Vernon CA Electric System Revenue RB
Series A
5.13%, 08/01/21	(PR 08/01/19)		105		109,277
5.13%, 08/01/21	(Call 08/01/19)		250		261,728
Clovis Unified School District GO
Series D
4.00%, 08/01/40	(Call 08/01/25)		250		257,435
Coast Community College District GO
0.00%, 08/01/34	(Call 08/01/25)^a		500		262,835
5.00%, 08/01/29	(Call 08/01/25)		500		582,630
5.00%, 08/01/31	(Call 08/01/25)		500		578,610
Series A
4.00%, 08/01/38	(Call 08/01/23)		500		517,715
5.00%, 08/01/38	(Call 08/01/23)		860		964,972
Series B
0.00%, 08/01/27	(AGM)^a		135		102,188
Series D
4.00%, 08/01/42	(Call 08/01/27)		500		521,115
Contra Costa Community College District GO
5.00%, 08/01/38	(Call 08/01/23)		2,275		2,553,915
Series A
4.00%, 08/01/39	(Call 08/01/24)		250		258,283


Security		Principal (000s)		Value
County of Orange CA Airport Revenue RB
Series B
5.00%, 07/01/28	(Call 07/01/19)	$	125	$	130,554
County of Sacramento CA Airport System Revenue RB
5.00%, 07/01/40	(Call 07/01/20)		250		266,635
Series A
5.00%, 07/01/41	(Call 07/01/26)		1,000		1,130,670
Series C
6.00%, 07/01/41	(PR 07/01/18)		500		507,850
County of Santa Clara CA GO
4.00%, 08/01/39	(Call 08/01/22)		250		258,270
Series A
5.00%, 08/01/34	(PR 08/01/19)		1,425		1,494,711
Cucamonga Valley Water District RB
Series A
5.38%, 09/01/35	(Call 09/01/21) (AGM)		250		279,530
Desert Community College District GO
4.00%, 08/01/39	(Call 08/01/27)		500		521,935
5.00%, 08/01/37	(Call 02/01/26)		1,000		1,150,580
East Bay Municipal Utility District Water System Revenue RB
Series 2014-B
5.00%, 06/01/24			575		676,924
Series A
4.00%, 06/01/45	(Call 06/01/27)		840		874,927
5.00%, 06/01/28	(PR 06/01/20)		500		538,980
5.00%, 06/01/29	(Call 06/01/25)		300		353,118
5.00%, 06/01/32	(Call 06/01/25)		1,500		1,752,525
5.00%, 06/01/35	(Call 06/01/25)		500		579,855
5.00%, 06/01/42	(Call 06/01/27)		250		290,105
5.00%, 06/01/45	(Call 06/01/27)		2,500		2,894,475
Series B
5.00%, 06/01/19			350		365,785
5.00%, 06/01/20			535		577,452
5.00%, 06/01/21			350		388,087
5.00%, 06/01/23			1,435		1,660,008
5.00%, 06/01/33	(Call 06/01/27)		1,000		1,181,680
Eastern Municipal Water District COP
Series H
5.00%, 07/01/24	(PR 07/01/18)		190		192,390


Security		Principal (000s)		Value
5.00%, 07/01/33	(PR 07/01/18)	$	330	$	334,151
5.00%, 07/01/35	(PR 07/01/18)		1,580		1,599,876
Eastern Municipal Water District Financing Authority RB
Series D
5.00%, 07/01/47	(Call 07/01/27)		1,000		1,146,770
El Camino Community College District GO
Series 2012-A
4.00%, 08/01/45	(Call 08/01/26)		500		518,070
Series C
0.00%, 08/01/32^a			700		429,359
0.00%, 08/01/33^a			125		73,444
0.00%, 08/01/34^a			2,050		1,150,562
El Dorado Irrigation District/El Dorado County Water Agency RB
Series A
5.00%, 03/01/34	(Call 03/01/24) (AGM)		250		282,083
Escondido Union High School District GO
0.00%, 08/01/37	(AGC)^a		190		90,622
Series C
0.00%, 08/01/46^a			985		296,761
0.00%, 08/01/51^a			1,155		279,233
Foothill-De Anza Community College District GO
4.00%, 08/01/40	(Call 08/01/26)		1,960		2,054,158
Series C
5.00%, 08/01/36	(PR 08/01/21)		370		411,107
5.00%, 08/01/40	(PR 08/01/21)		1,190		1,322,209
Foothill-Eastern Transportation Corridor Agency RB
0.00%, 01/01/30	(ETM) (RADIAN-IBCC, AGM-CR)^a		320		225,248
0.00%, 01/15/35	(AGM)^a		300		149,292
Series A
0.00%, 01/01/19	(ETM)^a		565		558,582
0.00%, 01/01/20	(ETM)^a		1,100		1,068,177
0.00%, 01/01/23	(ETM)^a		225		203,015
0.00%, 01/01/25	(ETM)^a		880		746,161
0.00%, 01/01/26	(ETM)^a		540		443,156
0.00%, 01/01/28	(ETM)^a		440		336,719


Security		Principal (000s)		Value
0.00%, 01/01/29	(ETM)^a	$	500	$	364,880
6.00%, 01/15/49	(Call 01/15/24)		360		420,667
6.00%, 01/15/53	(Call 01/15/24)		2,145		2,501,435
Series B-1
3.95%, 01/15/53	(Call 07/15/27)		1,200		1,173,696
Fremont Union High School District GO
4.00%, 08/01/40	(Call 08/01/24)		1,950		2,023,710
Fresno Unified School District GO
Series G
0.00%, 08/01/41	(Call 08/01/21)^a		500		117,080
Glendale Unified School District/CA GO
Series B
4.00%, 09/01/41	(Call 09/01/25)		350		362,387
Grossmont Union High School District GO
5.00%, 08/01/33	(PR 08/01/18)		430		436,773
Hayward Area Recreation & Park District GO
Series A
4.00%, 08/01/46	(Call 08/01/27)		1,000		1,038,970
Imperial Irrigation District Electric System Revenue RB
Series A
5.00%, 11/01/33	(PR 11/01/18)		685		702,289
Series B-1
5.00%, 11/01/46	(Call 11/01/26)		500		561,575
Irvine Ranch Water District SA
5.25%, 02/01/46	(Call 08/01/26)		1,000		1,175,130
Long Beach Community College District GO
Series B
0.00%, 08/01/49	(Call 08/01/42)^a		250		154,638
5.00%, 08/01/39	(PR 08/01/22)		1,100		1,249,193
Long Beach Unified School District GO
Series A
5.00%, 08/01/20			500		541,825
Series D-1
0.00%, 08/01/39	(Call 02/01/25)^a		200		81,844
Los Angeles Community College District/CA GO
4.00%, 08/01/37	(Call 08/01/26)		500		523,275


Security		Principal (000s)		Value
5.00%, 08/01/38	(Call 08/01/26)	$	1,325	$	1,520,729
Series A
4.00%, 08/01/32	(Call 08/01/24)		1,100		1,168,343
5.00%, 08/01/20			500		541,950
5.00%, 08/01/23			735		851,277
5.00%, 08/01/29	(Call 08/01/24)		3,060		3,553,976
5.00%, 08/01/30	(Call 08/01/24)		5,500		6,370,100
5.00%, 08/01/31	(Call 08/01/24)		2,000		2,309,940
6.00%, 08/01/33	(PR 08/01/19)		3,705		3,943,269
Series C
5.00%, 08/01/22			120		136,386
5.00%, 08/01/25			260		310,528
5.00%, 06/01/26			500		602,955
5.25%, 08/01/39	(PR 08/01/20)		1,270		1,383,424
Series E-1
5.00%, 08/01/33	(PR 08/01/18)		385		391,064
Series F-1
5.00%, 08/01/33	(PR 08/01/18)		1,000		1,015,750
Los Angeles Convention & Exhibit Center Authority RB
Series A
5.00%, 08/15/20	(PR 08/15/18)		120		122,069
Los Angeles County Metropolitan Transportation Authority RB
Series A
5.00%, 07/01/18			35		35,444
5.00%, 07/01/19			245		256,949
5.00%, 07/01/20			2,670		2,887,658
5.00%, 07/01/21			200		222,034
5.00%, 07/01/22	(Call 07/01/18) (AGM)		200		202,436
5.00%, 06/01/32	(Call 06/01/26)		1,000		1,179,520
5.00%, 07/01/32	(Call 07/01/23)		295		334,734
5.00%, 07/01/40	(Call 07/01/27)		2,000		2,319,820
5.00%, 07/01/42	(Call 07/01/27)		2,000		2,309,280
Series B
5.00%, 07/01/18			445		450,643
Los Angeles County Public Works Financing Authority RB
4.00%, 08/01/37	(Call 08/01/22)		170		176,334
5.00%, 08/01/42	(Call 08/01/22)		500		551,260
Series A
5.00%, 12/01/39	(Call 12/01/24)		500		564,560


Security		Principal (000s)		Value
Series D
4.00%, 12/01/40	(Call 12/01/25)	$	1,895	$	1,966,555
5.00%, 12/01/45	(Call 12/01/25)		500		560,570
Los Angeles County Sanitation Districts Financing Authority RB
Series A
4.00%, 10/01/42	(Call 10/01/26)		500		518,005
5.00%, 10/01/20			450		489,956
Los Angeles Department of Water & Power System Revenue RB
Series A
5.00%, 07/01/18			1,215		1,230,199
5.00%, 07/01/19			860		901,125
5.00%, 07/01/20			1,000		1,082,240
5.00%, 07/01/22	(PR 07/01/21)		5		5,527
5.00%, 07/01/22	(Call 07/01/21)		495		548,683
5.00%, 07/01/27	(Call 01/01/23)		875		994,411
5.00%, 07/01/28	(Call 01/01/25)		1,290		1,499,225
5.00%, 07/01/42	(Call 01/01/27)		695		797,457
5.00%, 07/01/46	(Call 01/01/26)		2,000		2,260,840
5.00%, 07/01/47	(Call 01/01/27)		1,000		1,141,600
Series A-1
5.25%, 07/01/38	(Call 07/01/18)		2,750		2,784,815
Series B
5.00%, 12/01/18	(Call 11/01/18)		1,300		1,332,110
5.00%, 07/01/29	(Call 07/01/23)		585		669,796
5.00%, 07/01/30	(Call 07/01/23)		500		571,395
5.00%, 07/01/36	(Call 01/01/27)		1,000		1,159,990
5.00%, 07/01/42	(Call 01/01/26)		2,230		2,529,110
5.00%, 07/01/43	(Call 07/01/22)		2,945		3,247,864
5.00%, 07/01/43	(Call 01/01/24)		940		1,049,425
Series C
5.00%, 07/01/47	(Call 07/01/27)		2,000		2,297,020
Series D
5.00%, 07/01/35	(Call 07/01/24)		1,550		1,763,853
5.00%, 07/01/39	(Call 07/01/24)		3,700		4,175,931
5.00%, 07/01/44	(Call 07/01/24)		500		561,230
Series E
5.00%, 07/01/44	(Call 07/01/24)		500		561,230
Los Angeles Department of Water RB
Series A
5.00%, 07/01/41	(Call 01/01/21)		250		270,893
5.00%, 07/01/43	(Call 07/01/22)		1,250		1,378,550


Security		Principal (000s)		Value
5.00%, 07/01/44	(Call 01/01/27)	$	2,000	$	2,288,180
5.00%, 07/01/46	(Call 01/01/26)		2,700		3,052,134
5.00%, 07/01/48	(Call 01/01/28)		500		575,375
Series B
5.00%, 07/01/33	(Call 07/01/23)		500		567,885
5.00%, 07/01/43	(Call 07/01/22)		1,060		1,169,010
5.00%, 07/01/46	(Call 01/01/26)		250		282,605
Los Angeles Unified School District/CA GO
Series A
5.00%, 07/01/18			610		617,716
5.00%, 07/01/20			1,000		1,080,320
5.00%, 07/01/21			1,000		1,108,790
5.00%, 07/01/22			2,300		2,606,268
5.00%, 07/01/23			2,975		3,435,470
5.00%, 07/01/24			1,620		1,903,387
5.00%, 07/01/25			3,975		4,730,528
5.00%, 07/01/26			500		599,700
5.00%, 07/01/27			2,500		3,026,450
5.00%, 07/01/28	(Call 07/01/21)		1,950		2,153,463
5.00%, 07/01/29	(Call 07/01/25)		1,000		1,159,210
5.00%, 07/01/30	(Call 07/01/21)		500		550,295
5.00%, 07/01/31	(Call 07/01/21)		1,000		1,098,880
5.00%, 07/01/40	(Call 07/01/25)		1,000		1,132,800
Series A-1
5.50%, 07/01/18	(FGIC)		250		253,573
Series A-2
5.00%, 07/01/21			645		715,170
Series B
5.00%, 07/01/18			500		506,325
5.00%, 07/01/21			1,000		1,108,790
5.00%, 07/01/30	(Call 07/01/26)		1,000		1,177,870
Series B-1
5.00%, 07/01/30	(Call 01/01/28)		500		596,640
5.00%, 07/01/31	(Call 01/01/28)		500		593,800
5.00%, 07/01/33	(Call 01/01/28)		1,000		1,179,140
5.00%, 07/01/37	(Call 01/01/28)		1,000		1,167,970
5.25%, 07/01/42	(Call 01/01/28)		1,000		1,182,540
Series C
5.00%, 07/01/21			500		554,395
5.00%, 07/01/23			2,375		2,742,602
5.00%, 07/01/25	(Call 07/01/24)		1,000		1,170,390
5.00%, 07/01/26	(Call 07/01/24)		455		530,767


Security		Principal (000s)		Value
5.00%, 07/01/27	(Call 07/01/24)	$	1,000	$	1,163,950
5.00%, 07/01/30	(Call 07/01/24)		750		867,210
Series D
5.00%, 01/01/34	(Call 07/01/19)		300		313,248
Series F
5.00%, 01/01/34	(Call 07/01/19)		330		344,573
Series I
5.00%, 07/01/27	(Call 07/01/19)		765		800,228
5.00%, 01/01/34	(Call 07/01/19)		105		109,637
Series KRY
5.00%, 07/01/18			1,000		1,012,650
Los Rios Community College District GO
Series A
5.00%, 08/01/35	(PR 08/01/20)		695		752,963
Mendocino-Lake Community College District GO
Series B
0.00%, 08/01/46	(PR 08/01/21) (AGM)^a		250		35,563
0.00%, 08/01/51	(AGM)^a		250		58,945
Merced Union High School District GO
Series C
0.00%, 08/01/46	(PR 08/01/21)^a		1,000		156,950
Metropolitan Water District of Southern California RB
5.75%, 08/10/18			150		152,886
Series A
5.00%, 07/01/20			720		779,040
5.00%, 07/01/28	(Call 07/01/25)		500		589,835
5.00%, 10/01/29	(Call 04/01/22)		200		223,980
5.00%, 01/01/34	(Call 01/01/19)		100		102,918
5.00%, 01/01/39	(Call 01/01/19)		265		272,645
5.00%, 07/01/40	(Call 07/01/25)		250		286,213
Series A-2
1.02%, 07/01/35	(Put 03/01/18)^b		1,100		1,100,000
Series B
5.00%, 08/01/20	(Call 07/01/20)		1,000		1,081,520
5.00%, 07/01/21	(Call 07/01/18)		225		227,824
5.00%, 08/01/21	(Call 07/01/21)		600		666,102
5.00%, 08/01/22	(Call 07/01/22)		500		567,250
Series B-1
0.92%, 07/01/37	(Put 03/01/18)^b		5,700		5,700,000


Security		Principal (000s)		Value
Series B-3
0.94%, 07/01/35	(Put 03/01/18)^b	$	6,900	$	6,900,000
Series C
5.00%, 07/01/18			1,000		1,012,480
5.00%, 07/01/19			1,350		1,414,732
5.00%, 10/01/27			900		1,097,478
5.00%, 07/01/35	(Call 07/01/19)		450		470,480
Mount Diablo Unified School District/CA GO
Series A
0.00%, 08/01/35	(Call 08/01/25) (AGM)^a		400		372,872
Series E
5.00%, 06/01/37	(Call 08/01/22)		2,000		2,211,200
Mount San Antonio Community College District GO
0.00%, 08/01/28	(Call 02/01/28)^a		1,000		954,360
0.00%, 08/01/43	(Call 08/01/35)^a		2,000		1,624,380
Mountain View-Whisman School District GO
Series B
4.00%, 09/01/42	(Call 09/01/26)		250		259,120
Municipal Improvement Corp. of Los Angeles RB
Series A
5.00%, 09/01/23	(PR 09/01/18)		30		30,560
5.00%, 09/01/25	(PR 09/01/18)		500		509,340
Series B
4.00%, 11/01/34	(Call 11/01/26)		1,200		1,260,036
5.00%, 11/01/24			275		323,969
5.00%, 11/01/29	(Call 11/01/26)		1,320		1,559,804
5.00%, 11/01/30	(Call 11/01/26)		500		587,450
Newport Mesa Unified School District GO
0.00%, 08/01/23^a			1,050		925,743
0.00%, 08/01/34^a			750		422,303
0.00%, 08/01/36^a			1,915		989,155
0.00%, 08/01/38^a			500		236,560
0.00%, 08/01/44	(Call 08/01/27)^a		1,000		346,780
Norman Y Mineta San Jose International Airport SJC RB
Series B
5.00%, 03/01/47	(Call 03/01/27)		1,000		1,133,900


Security		Principal (000s)		Value
Ohlone Community College District GO
Series C
4.00%, 08/01/45	(Call 08/01/26)	$	1,250	$	1,281,412
Orange County Sanitation District COP
Series A
5.00%, 02/01/39	(PR 02/01/19)		1,000		1,033,680
Orange County Water District COP
5.00%, 08/15/39	(PR 08/15/19)		885		930,781
Series A
1.03%, 08/01/42	(Put 03/07/18)^b		665		665,000
Palomar Community College District GO
Series C
4.00%, 08/01/40	(Call 08/01/25)		250		259,088
Series D
4.00%, 08/01/46	(Call 08/01/27)		500		514,225
Peralta Community College District GO
Series C
5.00%, 08/01/39	(PR 08/01/19)		145		152,302
Placentia-Yorba Linda Unified School District GO
0.00%, 08/01/42^a			200		75,506
Series D
0.00%, 08/01/40^a			500		204,895
0.00%, 08/01/46^a			625		195,963
Port of Los Angeles RB
Series B
5.00%, 08/01/44	(Call 08/01/24)		1,100		1,237,709
Series C
4.00%, 08/01/39	(Call 08/01/26)		1,000		1,042,070
Poway Unified School District GO
0.00%, 08/01/31^a			495		307,534
0.00%, 08/01/33^a			250		142,505
0.00%, 08/01/35^a			500		258,700
0.00%, 08/01/36^a			1,000		493,710
0.00%, 08/01/38^a			755		339,078
0.00%, 08/01/46^a			3,450		1,033,585
Series B
0.00%, 08/01/34^a			500		271,285


Security		Principal (000s)		Value
Rio Hondo Community College District/CA GO
0.00%, 08/01/42	(Call 08/01/34)^a	$	1,210	$	1,256,742
Series 2004-C
0.00%, 08/01/42	(Call 08/01/34)^a		750		790,545
Riverside CA Sewer Revenue RB
Series A
5.00%, 08/01/40	(Call 08/01/25)		500		560,020
Riverside County Public Financing Authority RB
5.25%, 11/01/45	(Call 11/01/25)		500		575,755
Riverside County Transportation Commission RB
Series A
5.25%, 06/01/39	(PR 06/01/23)		750		874,072
5.75%, 06/01/48	(Call 06/01/23)		1,000		1,109,980
Series B
5.00%, 06/01/37	(Call 12/01/27)		1,000		1,162,390
5.00%, 06/01/38	(Call 12/01/27)		1,000		1,159,650
Sacramento Area Flood Control Agency SA
5.63%, 10/01/37	(PR 10/01/18) (BHAC)		380		389,762
Series A
5.00%, 10/01/47	(Call 10/01/26)		1,000		1,135,710
Sacramento City Financing Authority RB
5.25%, 12/01/30	(AMBAC)		650		774,962
Sacramento County Sanitation Districts Financing Authority RB
Series A
5.00%, 12/01/44	(Call 06/01/24)		1,000		1,120,980
Sacramento Municipal Utility District RB
Series A
5.00%, 08/15/37	(Call 08/15/23)		585		658,160
5.00%, 08/15/41	(Call 08/15/23)		1,000		1,115,880
Series E
5.00%, 08/15/21			500		556,880
5.00%, 08/15/24			500		589,715
Series K
5.25%, 07/01/24	(AMBAC)		250		285,815


Security		Principal (000s)		Value
Series U
5.00%, 08/15/22	(PR 08/15/18) (AGM)	$	540	$	549,185
5.00%, 08/15/22	(Call 08/15/18) (AGM)		850		864,535
5.00%, 08/15/24	(PR 08/15/18) (AGM)		325		330,528
5.00%, 08/15/24	(Call 08/15/18) (AGM)		520		528,845
Series X
5.00%, 08/15/20			200		217,046
5.00%, 08/15/28	(PR 08/15/21)		60		66,421
5.00%, 08/15/28	(Call 08/15/21)		175		193,788
Sacramento Suburban Water District COP
Series A
1.04%, 11/01/34	(Put 03/07/18)^b		600		600,000
Sacramento Transportation Authority RB
1.00%, 10/01/38	(Put 03/01/18)^b		800		800,000
San Bernardino Community College District GO
Series A
6.25%, 08/01/33	(PR 08/01/18)		800		816,384
San Diego Community College District GO
4.00%, 08/01/32	(Call 08/01/26)		500		532,710
5.00%, 08/01/28	(Call 08/01/26)		500		598,500
5.00%, 08/01/30	(Call 08/01/23)		250		287,190
5.00%, 08/01/30	(Call 08/01/26)		500		593,890
5.00%, 08/01/31	(Call 08/01/26)		2,000		2,362,260
5.00%, 08/01/41	(PR 08/01/21)		210		233,331
5.00%, 08/01/41	(Call 08/01/26)		500		574,660
5.00%, 08/01/43	(Call 08/01/23)		1,350		1,524,244
5.25%, 08/01/33	(PR 08/01/19)		100		105,385
San Diego County Regional Airport Authority RB
Series A
5.00%, 07/01/34	(Call 07/01/20)		315		336,555
5.00%, 07/01/40	(Call 07/01/20)		475		506,716
5.00%, 07/01/42	(Call 07/01/27)		1,000		1,136,390
5.00%, 07/01/43	(Call 07/01/23)		255		284,330


Security		Principal (000s)		Value
San Diego County Regional Transportation Commission RB
5.00%, 04/01/48	(Call 04/01/24)	$	400	$	451,744
Series A
5.00%, 04/01/41	(Call 04/01/26)		2,000		2,291,260
5.00%, 04/01/42	(Call 04/01/22)		1,500		1,655,010
5.00%, 04/01/48	(Call 04/01/22)		500		549,625
San Diego County Water Authority Financing Corp. COP
Series 2008
5.00%, 05/01/38	(PR 05/01/18) (AGM)		3,830		3,854,244
Series A
5.00%, 05/01/33	(PR 05/01/18) (AGM)		800		805,064
San Diego County Water Authority Financing Corp. RB
5.00%, 05/01/31	(Call 11/01/22)		605		683,983
5.00%, 05/01/34	(Call 11/01/22)		500		563,140
Series A
5.00%, 05/01/33	(Call 05/01/26)		500		585,335
Series B
5.00%, 05/01/38	(Call 05/01/26)		750		865,500
San Diego Public Facilities Financing Authority RB
Series A
5.00%, 10/15/44	(Call 10/15/25)		1,000		1,120,820
San Diego Public Facilities Financing Authority Sewer Revenue RB
5.00%, 05/15/22			525		593,833
5.00%, 05/15/23			985		1,135,557
Series A
4.00%, 05/15/20			625		659,556
4.00%, 05/15/21			200		214,990
5.00%, 05/15/21			500		553,025
5.00%, 05/15/29	(Call 05/15/26)		500		592,575
5.25%, 05/15/24	(PR 05/15/20)		830		896,989
5.25%, 05/15/25	(PR 05/15/20)		300		324,213
5.25%, 05/15/34	(PR 05/15/19)		1,000		1,046,480
5.25%, 05/15/39	(PR 05/15/19)		4,500		4,709,160
Series B
5.00%, 05/15/18			1,100		1,108,459
5.00%, 05/15/19			965		1,007,103
5.00%, 05/15/21	(PR 05/15/19)		140		146,090


Security		Principal (000s)		Value
5.00%, 05/15/22	(PR 05/15/19)	$	510	$	531,874
5.50%, 05/15/23	(PR 05/15/19)		2,045		2,144,857
San Diego Public Facilities Financing Authority Water Revenue RB
Series B
5.00%, 08/01/24			1,000		1,171,840
5.00%, 08/01/27	(Call 08/01/26)		1,500		1,798,035
5.50%, 08/01/39	(PR 08/01/19)		1,000		1,056,610
San Diego Regional Building Authority RB
5.38%, 02/01/36	(PR 02/01/19)		400		414,832
San Diego Unified School District/CA GO
0.00%, 07/01/30^a			790		520,665
0.00%, 07/01/35^a			300		156,774
0.00%, 07/01/36^a			1,240		618,586
0.00%, 07/01/38^a			650		295,224
0.00%, 07/01/39^a			1,100		478,577
0.00%, 07/01/42^a			215		82,220
0.00%, 07/01/45^a			2,000		673,920
Series A
0.00%, 07/01/19	(NPFGC)^a		400		391,868
Series C
0.00%, 07/01/46^a			500		161,455
0.00%, 07/01/47	(Call 07/01/40)^a		600		463,332
0.00%, 07/01/48	(Call 07/01/40)^a		1,000		763,140
5.00%, 07/01/35	(Call 07/01/23)		1,150		1,295,670
Series E
0.00%, 07/01/32^a			690		417,312
0.00%, 07/01/42^a			1,340		862,263
0.00%, 07/01/47	(Call 07/01/42)^a		1,815		1,195,867
0.00%, 07/01/49^a			3,300		911,130
Series G
0.00%, 07/01/38	(Call 01/01/24)^a		1,000		368,820
Series I
4.00%, 07/01/47	(Call 07/01/27)		2,000		2,067,660
Series R-1
0.00%, 07/01/31^a			1,675		1,060,258
Series R-2
0.00%, 07/01/40^a			500		405,635
Series R-3
5.00%, 07/01/20			1,755		1,898,068
5.00%, 07/01/21			2,025		2,248,094


Security		Principal (000s)		Value
Series R-4
5.00%, 07/01/28	(Call 07/01/25)	$	180	$	211,280
Series SENIOR-1
4.00%, 07/01/31	(Call 07/01/26)		500		540,045
San Dieguito Union High School District GO
Series A-2
4.00%, 08/01/38	(Call 08/01/23)		250		257,980
Series B-2
4.00%, 02/01/40	(Call 08/01/25)		200		207,270
San Francisco Bay Area Rapid Transit District GO
4.00%, 08/01/37	(Call 08/01/27)		1,500		1,580,610
Series A
4.00%, 08/01/42	(Call 08/01/27)		1,000		1,046,320
5.00%, 08/01/47	(Call 08/01/27)		500		580,140
Series D
4.00%, 08/01/33	(Call 08/01/25)		250		266,845
San Francisco Bay Area Rapid Transit District Sales Tax Revenue RB
Series A
5.00%, 07/01/36	(PR 07/01/22)		135		152,435
5.00%, 07/01/36	(Call 07/01/22)		365		406,986
San Francisco City & County Airport Commission San Francisco International Airport RB
5.00%, 05/01/19			1,150		1,197,874
5.00%, 05/01/46	(Call 05/01/26)		1,165		1,303,903
Issue 32F, Second Series
5.25%, 05/01/19	(NPFGC-FGIC)		995		1,039,287
Second Series
5.00%, 05/01/26	(Call 05/01/22)		895		1,001,353
5.25%, 05/01/18	(NPFGC)		245		246,622
Second Series C
5.00%, 05/01/18			160		160,995
Series A
4.90%, 05/01/29	(Call 11/01/19)		1,205		1,270,010
5.00%, 05/01/22			100		112,352
5.00%, 05/01/26			1,000		1,194,140
Series B
4.90%, 05/01/29	(Call 11/01/19)		500		526,975
5.00%, 05/01/43	(Call 05/01/23)		250		275,128
5.00%, 05/01/44	(Call 05/01/24)		995		1,106,778
5.00%, 05/01/47	(Call 05/01/27)		2,500		2,823,075


Security		Principal (000s)		Value
Series C
5.00%, 05/01/23	(PR 05/01/20)	$	320	$	342,973
5.00%, 05/01/23	(Call 05/01/20)		430		460,676
Series D
5.00%, 05/01/24	(PR 05/03/21)		30		33,071
5.00%, 05/01/24	(Call 05/01/21)		640		703,942
5.00%, 05/01/25			250		295,065
Series F
5.00%, 05/01/35	(Call 05/01/20)		800		851,432
San Francisco City & County Public Utilities Commission Wastewater Revenue RB
Series B
4.00%, 10/01/39	(Call 10/01/22)		950		974,776
4.00%, 10/01/42	(Call 10/01/22)		1,000		1,023,520
San Francisco Municipal Transportation Agency RB
4.00%, 03/01/46	(Call 03/01/27)		740		767,765
San Joaquin County Transportation Authority RB
4.00%, 03/01/41	(Call 03/01/27)		500		518,760
Series A
5.50%, 03/01/41	(PR 03/01/21)		500		555,755
6.00%, 03/01/36	(PR 03/01/21)		240		270,257
San Joaquin Hills Transportation Corridor Agency RB
0.00%, 01/01/20	(ETM)^a		170		165,082
0.00%, 01/01/22	(ETM)^a		220		204,239
0.00%, 01/01/23	(ETM)^a		450		406,031
0.00%, 01/01/26	(ETM)^a		280		229,076
0.00%, 01/01/28	(ETM)^a		750		579,548
5.00%, 01/15/34	(Call 01/15/25)		750		826,312
5.00%, 01/15/50	(Call 01/15/25)		3,750		4,064,475
Series A
0.00%, 01/15/26	(NPFGC)^a		400		307,736
5.00%, 01/15/44	(Call 01/15/25)		2,000		2,175,320
San Jose Financing Authority RB
Series A
5.00%, 06/01/39	(Call 06/01/23)		1,010		1,125,514
San Jose Unified School District GO
Series D
5.00%, 08/01/32	(PR 08/01/18)		125		126,969


Security		Principal (000s)		Value
San Marcos Unified School District GO
0.00%, 08/01/28^a		$	655	$	468,207
Series B
0.00%, 08/01/38^a			565		254,256
0.00%, 08/01/47^a			500		147,065
0.00%, 08/01/51^a			1,500		365,340
San Mateo County Community College District GO
5.00%, 09/01/45	(Call 09/01/25)		500		573,560
Series A
0.00%, 09/01/21^a			430		402,484
Series B
0.00%, 09/01/32	(NPFGC)^a		2,000		1,239,080
San Mateo Foster City School District/CA GO
0.00%, 08/01/42	(Call 08/01/31)^a		250		211,918
San Mateo Joint Powers Financing Authority RB
Series A
5.00%, 07/15/36	(PR 07/15/18)		750		760,545
San Mateo Union High School District GO
0.00%, 09/01/33^a			500		400,320
0.00%, 09/01/41	(Call 09/01/36)^a		1,500		1,243,620
Series A
0.00%, 07/01/51	(Call 09/01/41)^a		1,000		612,090
Santa Barbara Secondary High School District GO
Series A
0.00%, 08/01/40^a			555		216,922
Santa Clara Valley Transportation Authority RB
Series A
1.05%, 06/01/26	(Put 03/01/18)^b		800		800,000
Series B
5.00%, 04/01/18			1,375		1,379,249
5.00%, 04/01/19			175		181,942
5.00%, 04/01/20			320		343,331
Series D
1.06%, 04/01/36	(Put 03/01/18)^b		500		500,000
Santa Clara Valley Water District RB
Series A
5.00%, 06/01/46	(Call 12/01/25)		250		282,480


Security		Principal (000s)		Value
Santa Monica Community College District GO
Series B
4.00%, 08/01/44	(Call 08/01/24)	$	1,000	$	1,026,740
South San Francisco Unified School District GO
Series C
4.00%, 09/01/37	(Call 09/01/25)		1,000		1,047,510
Southern California Public Power Authority RB
5.00%, 07/01/25	(Call 07/01/20)		585		630,449
5.00%, 07/01/26	(Call 01/01/25)		650		763,919
Series 1
2.00%, 07/01/36	(Put 07/01/20)^b		1,000		1,009,580
Series 2010-1
5.00%, 07/01/30	(Call 07/01/20)		700		752,549
Series A
4.00%, 07/01/21			725		780,470
5.00%, 07/01/18			1,195		1,209,794
5.25%, 07/01/27	(PR 01/01/20)		650		693,959
Series B
6.00%, 07/01/27	(PR 07/01/18)		195		198,062
Southern California Water Replenishment District RB
4.00%, 08/01/45	(Call 08/01/25)		1,000		1,035,690
Southwestern Community College District GO
Series A
4.00%, 08/01/47	(Call 08/01/27)		1,000		1,026,040
Series C
0.00%, 08/01/41^a			650		252,194
0.00%, 08/01/46^a			1,000		296,200
Series D
5.00%, 08/01/44	(Call 08/01/25)		500		559,670
State of California Department of Water Resources Power Supply Revenue RB
Series F-5
5.00%, 05/01/22	(PR 05/01/18)		405		407,564
Series H
5.00%, 05/01/21	(PR 05/01/18) (AGM)		500		503,165
5.00%, 05/01/22	(PR 05/01/18) (AGM)		1,150		1,157,279


Security		Principal (000s)		Value
Series K
4.00%, 05/01/18		$	200	$	200,924
5.00%, 05/01/18			2,240		2,254,000
Series L
5.00%, 05/01/18			1,500		1,509,375
5.00%, 05/01/19			2,765		2,882,430
5.00%, 05/01/20			1,125		1,210,252
5.00%, 05/01/21	(PR 05/01/20)		925		993,450
5.00%, 05/01/22	(PR 05/01/20)		870		934,380
5.00%, 05/01/22	(Call 05/01/20)		530		569,220
Series N
5.00%, 05/01/18			985		991,156
5.00%, 05/01/19			500		521,235
5.00%, 05/01/20			2,110		2,269,896
5.00%, 05/01/21			840		928,024
Series O
5.00%, 05/01/21			3,985		4,402,588
5.00%, 05/01/22			4,725		5,345,062
State of California Department of Water Resources RB
5.00%, 12/01/25	(PR 06/01/18)		500		504,730
5.00%, 12/01/26	(PR 06/01/18)		500		504,730
5.00%, 12/01/27	(PR 06/01/18)		2,830		2,856,772
Series AG
5.00%, 12/01/26	(PR 12/01/19)		250		265,298
5.00%, 12/01/29	(PR 12/01/19)		320		339,580
Series AS
5.00%, 12/01/20			340		371,997
5.00%, 12/01/20	(ETM)		5		5,456
5.00%, 12/01/22	(ETM)		10		11,386
5.00%, 12/01/22			640		733,082
5.00%, 12/01/25	(Call 12/01/24)		400		473,712
5.00%, 12/01/26	(Call 12/01/24)		1,055		1,246,504
5.00%, 12/01/27	(Call 12/01/24)		500		589,385
5.00%, 12/01/29	(Call 12/01/24)		320		375,450
Series AW
5.00%, 12/01/28	(Call 12/01/26)		1,000		1,198,770
5.00%, 12/01/33	(Call 12/01/26)		500		589,470
Series AX
5.00%, 12/01/22			500		572,720
State of California GO
2.00%, 11/01/18			1,750		1,758,872
3.00%, 12/01/32	(Put 12/01/19)^b		200		203,790
4.00%, 05/01/23			1,000		1,098,670


Security		Principal (000s)		Value
4.00%, 09/01/28	(Call 09/01/26)	$	250	$	272,153
4.00%, 12/01/30	(Put 12/01/21)^b		200		213,944
4.00%, 09/01/33	(Call 09/01/26)		1,000		1,061,400
4.00%, 09/01/34	(Call 09/01/26)		800		846,064
4.00%, 11/01/34	(Call 11/01/27)		1,800		1,915,740
4.00%, 09/01/36	(Call 09/01/26)		2,000		2,104,520
4.00%, 09/01/37	(Call 09/01/26)		2,005		2,105,230
4.00%, 11/01/37	(Call 11/01/27)		2,000		2,098,060
4.00%, 11/01/44	(Call 11/01/24)		975		1,014,897
4.00%, 03/01/45	(Call 03/01/25)		500		516,965
4.00%, 08/01/45	(Call 08/01/25)		250		258,923
4.00%, 11/01/47	(Call 11/01/27)		1,500		1,549,785
4.50%, 03/01/21	(Call 03/01/20)		660		698,280
4.50%, 08/01/26	(Call 04/02/18)		10		10,023
4.50%, 08/01/30	(Call 04/02/18)		25		25,054
5.00%, 04/01/18			500		501,535
5.00%, 08/01/18			1,500		1,523,445
5.00%, 08/01/18	(Call 04/02/18)		5		5,015
5.00%, 09/01/18			1,000		1,018,730
5.00%, 10/01/18			3,350		3,422,997
5.00%, 11/01/18			500		512,415
5.00%, 02/01/19			230		237,661
5.00%, 08/01/19	(Call 04/02/18)		5		5,014
5.00%, 08/01/19			3,000		3,150,210
5.00%, 10/01/19			800		844,336
5.00%, 12/01/19			750		795,622
5.00%, 04/01/20			215		230,400
5.00%, 08/01/20			500		541,080
5.00%, 09/01/20			170		184,399
5.00%, 10/01/20			2,000		2,174,380
5.00%, 12/01/20			550		600,671
5.00%, 02/01/21			100		109,491
5.00%, 09/01/21			2,945		3,273,603
5.00%, 11/01/21			3,175		3,543,173
5.00%, 02/01/22			1,000		1,119,990
5.00%, 08/01/22	(Call 04/02/18)		5		5,015
5.00%, 09/01/22			2,720		3,085,568
5.00%, 08/01/23			955		1,101,296
5.00%, 09/01/23			3,465		4,001,659
5.00%, 10/01/23			1,000		1,157,080
5.00%, 11/01/23	(Call 11/01/20)		500		544,150
5.00%, 11/01/23			1,375		1,593,212
5.00%, 12/01/23			500		580,155
5.00%, 02/01/24	(Call 02/01/22)		220		245,868


Security		Principal (000s)		Value
5.00%, 08/01/24		$	500	$	584,940
5.00%, 08/01/24	(Call 04/02/18)		5		5,015
5.00%, 10/01/24	(Call 04/02/18)		1,000		1,002,980
5.00%, 11/01/24	(Call 11/01/20)		250		271,870
5.00%, 12/01/24	(Call 12/01/23)		400		463,656
5.00%, 02/01/25	(Call 02/01/23)		1,000		1,137,210
5.00%, 03/01/25	(Call 03/01/20)		750		799,777
5.00%, 03/01/25			250		294,103
5.00%, 08/01/25			1,000		1,183,800
5.00%, 09/01/25	(Call 09/01/23)		3,450		3,972,675
5.00%, 10/01/25	(Call 04/02/18)		1,650		1,654,900
5.00%, 10/01/25	(Call 10/01/24)		400		469,600
5.00%, 11/01/25	(Call 11/01/23)		300		346,569
5.00%, 03/01/26	(Call 03/01/25)		1,250		1,468,750
5.00%, 08/01/26	(Call 08/01/25)		1,450		1,715,422
5.00%, 08/01/26			4,500		5,382,720
5.00%, 10/01/26	(Call 10/01/24)		500		583,325
5.00%, 02/01/27	(Call 02/01/23)		1,835		2,082,193
5.00%, 03/01/27	(Call 03/01/20)		300		319,725
5.00%, 08/01/27	(Call 08/01/26)		500		594,310
5.00%, 09/01/27	(Call 09/01/21)		500		554,535
5.00%, 09/01/27	(Call 09/01/26)		1,000		1,189,470
5.00%, 11/01/27	(Call 11/01/23)		700		806,638
5.00%, 08/01/28	(Call 08/01/25)		1,000		1,174,120
5.00%, 08/01/28	(Call 08/01/27)		1,500		1,790,565
5.00%, 02/01/29	(Call 02/01/23)		1,000		1,126,240
5.00%, 08/01/29	(Call 08/01/27)		2,000		2,374,600
5.00%, 09/01/29	(Call 09/01/26)		3,500		4,110,505
5.00%, 10/01/29	(Call 10/01/19)		1,345		1,417,805
5.00%, 10/01/29	(Call 04/02/18)		750		752,205
5.00%, 11/01/29	(Call 11/01/27)		715		851,350
5.00%, 08/01/30	(Call 08/01/27)		2,000		2,356,420
5.00%, 09/01/30	(Call 09/01/18)		500		509,065
5.00%, 09/01/30	(Call 09/01/21)		2,800		3,094,364
5.00%, 09/01/30	(Call 09/01/26)		2,000		2,338,920
5.00%, 11/01/30	(Call 11/01/27)		5,180		6,119,600
5.00%, 02/01/31	(Call 02/01/22)		500		554,995
5.00%, 08/01/31	(PR 08/01/18)		250		253,938
5.00%, 09/01/31	(Call 09/01/21)		1,000		1,103,700
5.00%, 09/01/31	(Call 09/01/26)		2,000		2,327,400
5.00%, 10/01/31	(Call 10/01/24)		2,825		3,239,964
5.00%, 11/01/31	(Call 11/01/27)		1,000		1,177,690
5.00%, 02/01/32	(Call 02/01/22)		500		553,805
5.00%, 05/01/32	(Call 05/01/24)		1,000		1,136,450


Security		Principal (000s)		Value
5.00%, 09/01/32	(Call 09/01/26)	$	3,000	$	3,478,800
5.00%, 08/01/33	(Call 08/01/24)		3,000		3,415,170
5.00%, 09/01/33	(Call 09/01/23)		435		491,724
5.00%, 09/01/33	(Call 09/01/26)		1,500		1,733,280
5.00%, 09/01/34	(Call 09/01/26)		500		574,920
5.00%, 08/01/35	(Call 08/01/25)		1,550		1,775,711
5.00%, 08/01/35	(Call 08/01/26)		1,000		1,145,320
5.00%, 09/01/35	(Call 09/01/26)		1,000		1,146,610
5.00%, 10/01/37	(Call 10/01/24)		3,000		3,415,320
5.00%, 02/01/38	(Call 02/01/23)		4,545		5,051,677
5.00%, 04/01/38	(PR 04/01/18)		5,055		5,071,126
5.00%, 10/01/39	(Call 10/01/24)		1,000		1,135,860
5.00%, 09/01/41	(Call 09/01/21)		380		417,780
5.00%, 10/01/41	(Call 10/01/21)		4,675		5,148,718
5.00%, 04/01/42	(Call 04/01/22)		1,000		1,095,170
5.00%, 09/01/42	(Call 09/01/22)		750		829,957
5.00%, 04/01/43	(Call 04/01/23)		910		1,009,181
5.00%, 11/01/43	(Call 11/01/23)		3,000		3,361,710
5.00%, 08/01/45	(Call 08/01/25)		3,400		3,853,764
5.00%, 09/01/46	(Call 09/01/26)		1,000		1,132,990
5.00%, 11/01/47	(Call 11/01/27)		800		918,136
5.13%, 03/01/25	(PR 03/01/18)		500		500,000
5.25%, 09/01/22			1,815		2,078,429
5.25%, 10/01/22			600		688,338
5.25%, 02/01/23			500		576,695
5.25%, 09/01/25	(Call 09/01/21)		750		839,212
5.25%, 10/01/29	(Call 10/01/19)		1,375		1,455,451
5.25%, 08/01/32	(AGM)		1,825		2,267,325
5.25%, 03/01/38	(PR 03/01/18)		2,655		2,655,000
5.50%, 04/01/19			2,715		2,834,840
5.50%, 11/01/39	(Call 11/01/19)		4,485		4,770,201
5.50%, 03/01/40	(Call 03/01/20)		3,900		4,184,232
5.63%, 04/01/25	(Call 04/01/19)		350		365,645
5.75%, 04/01/29	(Call 04/01/19)		1,000		1,045,920
5.75%, 04/01/31	(Call 04/01/19)		2,500		2,613,700
6.00%, 03/01/33	(Call 03/01/20)		1,200		1,302,888
6.00%, 04/01/38	(Call 04/01/19)		6,065		6,353,027
6.00%, 11/01/39	(Call 11/01/19)		1,315		1,409,601
6.50%, 04/01/33	(Call 04/01/19)		3,055		3,221,131
Series A
4.40%, 07/01/18	(ETM)		200		202,122
4.60%, 07/01/19	(ETM)		1,145		1,193,422
5.00%, 07/01/18	(ETM)		6,045		6,121,046
5.00%, 07/01/19	(ETM)		1,150		1,204,671


Security		Principal (000s)		Value
5.00%, 07/01/20	(PR 07/01/19)	$	8,015	$	8,396,033
5.25%, 07/01/21	(PR 07/01/19)		3,835		4,029,933
Series B
5.00%, 09/01/21			1,000		1,111,580
5.00%, 09/01/22			1,265		1,435,016
5.00%, 09/01/24			2,000		2,342,600
5.00%, 09/01/25			1,000		1,184,960
Sunnyvale Elementary School District GO
4.00%, 09/01/42	(Call 09/01/25)		500		520,715
Ukiah Unified School District/CA GO
0.00%, 08/01/28^a			1,000		701,760
University of California RB
Series AF
5.00%, 05/15/18			250		251,908
5.00%, 05/15/20			685		738,293
5.00%, 05/15/39	(Call 05/15/23)		1,000		1,120,700
Series AI
5.00%, 05/15/32	(Call 05/15/23)		1,000		1,135,330
5.00%, 05/15/38	(Call 05/15/23)		3,300		3,705,174
Series AK
5.00%, 05/15/48	(Put 05/15/23)^b		2,050		2,355,675
Series AM
5.00%, 05/15/44	(Call 05/15/24)		700		782,453
Series AO
5.00%, 05/15/19			1,160		1,209,892
5.00%, 05/15/23			250		288,885
5.00%, 05/15/27	(Call 05/15/25)		3,000		3,541,290
5.00%, 05/15/40	(Call 05/15/25)		1,000		1,134,190
Series AR
5.00%, 05/15/41	(Call 05/15/26)		855		975,820
5.00%, 05/15/46	(Call 05/15/26)		2,150		2,438,788
Series AT
1.40%, 05/15/46	(Put 05/15/20)^b		1,000		983,300
Series AV
4.00%, 05/15/45	(Call 05/15/27)		500		517,115
5.25%, 05/15/42	(Call 05/15/27)		2,000		2,345,400
Series AY
5.00%, 05/15/31	(Call 05/15/27)		1,000		1,186,270
Series G
5.00%, 05/15/24	(Call 05/15/22)		535		602,597
5.00%, 05/15/25	(PR 05/15/22)		465		523,353
5.00%, 05/15/25	(Call 05/15/22)		535		600,521
5.00%, 05/15/26	(PR 05/15/22)		230		258,863


Security		Principal (000s)		Value
5.00%, 05/15/26	(Call 05/15/22)	$	270	$	302,719
5.00%, 05/15/32	(PR 05/15/22)		335		377,039
5.00%, 05/15/32	(Call 05/15/22)		390		432,436
5.00%, 05/15/37	(PR 05/15/22)		660		742,823
5.00%, 05/15/37	(Call 05/15/22)		660		726,799
5.00%, 05/15/42	(Call 05/15/22)		3,050		3,348,473
Series I
5.00%, 05/15/18			1,500		1,511,415
5.00%, 05/15/28	(Call 05/15/25)		350		410,358
5.00%, 05/15/31	(Call 05/15/25)		2,765		3,208,064
5.00%, 05/15/32	(Call 05/15/25)		540		623,457
Series K
4.00%, 05/15/46	(Call 05/15/26)		1,500		1,543,305
5.00%, 05/15/35	(Call 05/15/26)		500		576,535
Series M
4.00%, 05/15/47	(Call 05/15/27)		250		256,580
5.00%, 05/15/33	(Call 05/15/27)		1,000		1,172,040
5.00%, 05/15/47	(Call 05/15/27)		1,500		1,712,400
5.00%, 05/15/52	(Call 05/15/27)		250		284,333
Ventura County Community College District GO
Series C
5.50%, 08/01/33	(PR 08/01/18)		1,250		1,272,262
Ventura County Public Financing Authority RB
5.00%, 11/01/43	(Call 11/01/22)		500		557,020
West Contra Costa Unified School District GO
Series B
5.63%, 08/01/35	(PR 08/01/18) (BHAC)		195		198,574
West Valley-Mission Community College District GO
Series B
4.00%, 08/01/40	(Call 08/01/25)		250		261,588
Whittier Union High School District GO
0.00%, 08/01/34	(Call 08/01/19)^a		400		151,240
William S Hart Union High School District GO
Series A
0.00%, 08/01/33^a			450		248,868
Series B
0.00%, 08/01/34	(AGM)^a		1,250		681,500


Security		Principal (000s)		Value
Series C
0.00%, 08/01/37	(Call 08/01/23)^a	$	500	$	210,255
4.00%, 08/01/38	(Call 08/01/23)		500		512,220
Yosemite Community College District GO
Series C
5.00%, 08/01/28	(PR 08/01/18) (AGM)		245		248,807
5.00%, 08/01/32	(PR 08/01/18) (AGM)		500		507,770

					883,607,508

TOTAL MUNICIPAL BONDS & NOTES
(Cost: $878,843,914)					883,607,508

TOTAL INVESTMENTS IN SECURITIES — 99.72%
(Cost: $878,843,914)					883,607,508
Other Assets, Less Liabilities — 0.28%					2,508,279

NET ASSETS — 100.00%				$	886,115,787

COP — Certificates of Participation

ETM — Escrowed to Maturity

GO — General Obligation

PR — Prerefunded

RB — Revenue Bond

Insured by:

AGC — Assured Guaranty Corp.

AGM — Assured Guaranty Municipal Corp.

AGM-CR — AGM Insured Custodial Receipts

AMBAC — Ambac Assurance Corp.

BHAC — Berkshire Hathaway Assurance Corp.

FGIC — Financial Guaranty Insurance Co.

NPFGC — National Public Finance Guarantee Corp.

NPFGC-FGIC — National Public Finance Guarantee Corp. – Financial Guaranty Insurance Co.

RADIAN-IBCC — Radian Asset Assurance – Insured Bond Custodial Certificate

^a	Zero-coupon bond.

^b	Variable rate security that is payable on demand on each reset date. Rate shown is the rate in effect as of period end.


Security		Principal (000s)		Value
MUNICIPAL BONDS & NOTES — 99.03%

ALABAMA — 0.45%
Alabama Federal Aid Highway Finance Authority RB
5.00%, 09/01/20		$	2,000	$	2,157,640
5.00%, 09/01/24	(PR 09/01/22)		2,500		2,826,775
5.00%, 09/01/30	(Call 09/01/24)		2,000		2,290,400
Series 2007-2, Class A4
5.00%, 09/01/28	(Call 09/01/24)		3,500		4,030,810
Series A
4.00%, 06/01/37	(Call 09/01/27)		3,190		3,354,827
5.00%, 09/01/35	(Call 09/01/26)		1,000		1,153,080
5.00%, 09/01/36	(Call 09/01/26)		5,000		5,753,250
5.00%, 06/01/37	(Call 09/01/27)		1,000		1,163,320
Series B
5.00%, 09/01/24			1,600		1,866,688
Alabama Public School & College Authority RB
Series A
5.00%, 05/01/18			500		503,060
5.00%, 05/01/19			1,120		1,165,438
Series B
5.00%, 01/01/22			6,875		7,664,044
5.00%, 01/01/24			1,000		1,156,550
5.00%, 01/01/26	(Call 07/01/24)		2,000		2,302,380
Auburn University RB
Series A
4.00%, 06/01/41	(Call 06/01/26)		2,000		2,059,440
Water Works Board of the City of Birmingham (The) RB
5.00%, 01/01/41	(PR 01/01/21)		1,185		1,292,942

					40,740,644
ALASKA — 0.02%
City of Anchorage AK Electric Revenue RB
Series A
4.00%, 12/01/44	(Call 12/01/24)		2,000		2,036,640

					2,036,640
ARIZONA — 1.32%
Arizona Department of Transportation State Highway Fund Revenue RB
5.00%, 07/01/24			1,000		1,165,880
5.00%, 07/01/30	(Call 07/01/24)		2,000		2,292,260


Security		Principal (000s)		Value
Series A
5.00%, 07/01/21		$	1,500	$	1,656,000
5.00%, 07/01/22			4,000		4,498,840
5.00%, 07/01/24	(Call 07/01/21)		935		1,027,453
5.00%, 07/01/29	(PR 07/01/22)		285		319,913
5.00%, 07/01/29	(Call 07/01/22)		715		794,429
5.00%, 07/01/30	(PR 07/01/22)		895		1,004,638
5.00%, 07/01/30	(Call 07/01/22)		1,105		1,227,268
Arizona School Facilities Board COP
5.13%, 09/01/21	(PR 09/01/18)		1,000		1,019,050
5.25%, 09/01/23	(PR 09/01/18)		1,465		1,493,802
5.75%, 09/01/19	(PR 09/01/18)		1,250		1,277,662
Series A
5.00%, 09/01/21			2,285		2,524,399
5.00%, 09/01/23			750		856,508
Arizona State University RB
Series A
5.00%, 07/01/42	(PR 07/01/22)		1,000		1,126,930
Series B
5.00%, 07/01/47	(Call 07/01/26)		1,500		1,690,170
Arizona Transportation Board RB
5.00%, 07/01/23			1,500		1,719,060
5.00%, 07/01/24	(PR 07/01/19)		685		716,174
5.25%, 07/01/20	(PR 07/01/19)		480		503,746
Arizona Water Infrastructure Finance Authority RB
Series A
5.00%, 10/01/22			1,425		1,616,548
5.00%, 10/01/30	(PR 10/01/20)		2,600		2,823,262
City of Mesa AZ Utility System Revenue RB
4.00%, 07/01/32	(Call 07/01/26)		1,500		1,594,995
City of Phoenix AZ GO
4.00%, 07/01/24			1,040		1,148,098
4.00%, 07/01/25	(Call 07/01/24)		2,000		2,199,180
5.00%, 07/01/25			3,800		4,474,348
City of Phoenix Civic Improvement Corp. RB
5.00%, 07/01/19			1,000		1,045,100
5.00%, 07/01/20			3,000		3,227,340
Series 2015A
5.00%, 07/01/45	(Call 07/01/25)		2,000		2,226,580
Series A
5.00%, 07/01/39	(PR 07/01/19)		800		836,952


Security		Principal (000s)		Value
5.00%, 07/01/40	(PR 07/01/20)	$	1,700	$	1,830,866
5.00%, 07/01/41	(Call 07/01/25)		2,000		2,255,780
Series B
5.00%, 07/01/20			2,000		2,153,960
5.00%, 07/01/26	(Call 07/01/24)		1,000		1,158,830
5.00%, 07/01/27	(Call 07/01/24)		3,000		3,463,110
Series D
5.00%, 07/01/35	(Call 07/01/27)		2,500		2,860,400
County of Pima AZ Sewer System Revenue RB
5.00%, 07/01/23			2,500		2,861,025
Maricopa County Community College District GO
5.00%, 07/01/20			2,035		2,194,076
5.00%, 07/01/21			4,840		5,348,297
Pinal County Electric District No. 3 RB
5.25%, 07/01/41	(PR 07/01/21)		1,000		1,113,420
Salt River Project Agricultural Improvement & Power District RB
5.00%, 01/01/28			1,000		1,208,910
5.00%, 01/01/31	(Call 01/01/28)		2,000		2,381,440
5.00%, 12/01/34	(Call 06/01/25)		2,500		2,853,100
5.00%, 01/01/36	(Call 01/01/28)		5,500		6,430,270
Series A
4.00%, 01/01/38	(Call 01/01/27)		2,000		2,106,420
5.00%, 12/01/26	(Call 12/01/21)		2,030		2,249,524
5.00%, 01/01/27			1,000		1,197,840
5.00%, 12/01/28	(Call 12/01/21)		2,075		2,295,427
5.00%, 12/01/29	(Call 06/01/22)		400		446,368
5.00%, 12/01/30	(Call 06/01/22)		2,500		2,788,725
5.00%, 12/01/31	(Call 06/01/22)		2,100		2,338,917
5.00%, 01/01/32	(PR 01/01/19)		3,045		3,136,167
5.00%, 01/01/38	(Call 01/01/27)		8,350		9,601,832
5.00%, 12/01/45	(Call 06/01/25)		5,000		5,619,050
Series B
5.00%, 12/01/19			500		529,790
State of Arizona COP
Series A
5.00%, 10/01/18	(AGM)		200		203,864
5.00%, 10/01/29	(Call 10/01/19) (AGM)		1,000		1,049,150
5.25%, 10/01/20	(Call 10/01/19) (AGM)		355		374,681

					120,157,824


Security		Principal (000s)		Value
ARKANSAS — 0.08%
State of Arkansas GO
4.00%, 06/15/20		$	2,000	$	2,107,760
5.00%, 06/15/21			4,885		5,391,379

					7,499,139
CALIFORNIA — 22.52%
Acalanes Union High School District GO
Series A
0.00%, 08/01/39	(Call 08/01/29)^a		3,000		2,721,570
Alameda Corridor Transportation Authority RB
Series B
5.00%, 10/01/34	(Call 10/01/26)		2,000		2,239,520
5.00%, 10/01/36	(Call 10/01/26)		1,000		1,130,100
5.00%, 10/01/37	(Call 10/01/26)		4,950		5,507,766
Alameda County Transportation Commission RB
4.00%, 03/01/22			500		543,655
Allan Hancock Joint Community College District/CA GO
Series C
0.00%, 08/01/47	(Call 08/01/40)^a		6,000		3,711,540
Alvord Unified School District GO
Series B
0.00%, 08/01/36	(AGM)^a		2,000		936,560
0.00%, 08/01/43	(AGM)^a		6,415		2,250,703
Anaheim Housing & Public Improvements Authority RB
5.00%, 10/01/34	(Call 10/01/21)		1,150		1,266,530
5.00%, 10/01/34	(PR 10/01/21)		850		947,028
5.00%, 10/01/35	(PR 10/01/21)		590		657,349
5.00%, 10/01/35	(Call 10/01/21)		795		874,110
5.00%, 10/01/41	(PR 10/01/21)		680		757,622
5.00%, 10/01/41	(Call 10/01/21)		920		1,005,891
Anaheim Public Financing Authority RB
Series C
0.00%, 09/01/32	(AGM)^a		3,040		1,724,258
Bay Area Toll Authority RB
1.38%, 04/01/53	(Put 04/01/20)^b		2,200		2,188,120
2.13%, 04/01/53	(Put 04/01/25)^b		2,000		1,942,700
2.85%, 04/01/47	(Put 04/01/25)^b		4,000		4,106,480


Security		Principal (000s)		Value
2.95%, 04/01/47	(Put 04/01/26)^b	$	1,000	$	1,022,540
4.00%, 04/01/33	(Call 04/01/27)		1,800		1,927,332
4.00%, 04/01/37	(Call 04/01/27)		3,000		3,161,130
4.00%, 04/01/38	(Call 04/01/27)		4,950		5,196,064
4.00%, 04/01/42	(Call 04/01/27)		2,500		2,604,375
5.00%, 04/01/28			1,600		1,962,448
Series C
1.88%, 04/01/47	(Put 04/01/19)^b		9,115		9,139,337
Series D
1.88%, 04/01/34	(Put 04/01/20)^b		2,200		2,204,950
Series F-1
5.00%, 04/01/23	(Call 04/01/22)		1,860		2,097,038
5.00%, 04/01/26	(Call 04/01/22)		1,000		1,127,860
5.00%, 04/01/28	(PR 04/01/19)		25		25,981
5.00%, 04/01/28	(Call 04/01/22)		1,595		1,788,234
5.00%, 04/01/30	(Call 04/01/22)		2,000		2,235,620
5.00%, 04/01/31	(Call 04/01/22)		1,315		1,467,724
5.00%, 04/01/34	(PR 04/01/18)		500		501,570
5.00%, 04/01/39	(PR 04/01/18)		2,675		2,683,399
5.00%, 04/01/54	(Call 04/01/24)		3,000		3,315,360
5.13%, 04/01/39	(PR 04/01/19)		825		858,470
5.25%, 04/01/24	(PR 04/01/19)		2,500		2,604,750
5.50%, 04/01/43	(PR 04/01/18)		1,400		1,404,970
5.63%, 04/01/44	(PR 04/01/19)		1,295		1,354,453
Series F-2
4.00%, 04/01/21			1,000		1,072,160
Series S-2
5.00%, 10/01/42	(PR 10/01/20)		2,510		2,732,185
Series S-4
5.00%, 04/01/29	(PR 04/01/23)		1,090		1,251,756
5.00%, 04/01/32	(PR 04/01/23)		2,000		2,296,800
5.00%, 04/01/43	(PR 04/01/23)		1,750		2,009,700
5.25%, 04/01/48	(PR 04/01/23)		2,250		2,610,990
5.25%, 04/01/53	(PR 04/01/23)		370		429,363
Series S-6
5.00%, 10/01/54	(Call 10/01/24)		4,000		4,439,120
Bay Area Water Supply & Conservation Agency RB
Series A
5.00%, 10/01/34	(Call 04/01/23)		1,500		1,694,655
Beverly Hills Unified School District CA GO
0.00%, 08/01/33^a			1,000		589,340


Security		Principal (000s)		Value
California Educational Facilities Authority RB
5.00%, 04/01/45	(Call 04/01/25)	$	2,000	$	2,217,190
5.00%, 10/01/49	(Call 04/01/26)		500		565,905
Series T-1
5.00%, 03/15/39			1,015		1,275,216
Series U-2
5.00%, 10/01/32			5,000		6,254,700
Series U-3
5.00%, 06/01/43			4,000		5,110,360
Series U-6
5.00%, 05/01/45			4,400		5,660,204
Series U-7
5.00%, 06/01/46			5,000		6,455,600
California Infrastructure & Economic Development Bank RB
5.00%, 07/01/23	(ETM) (AGM)		2,845		3,285,349
5.00%, 07/01/33	(PR 01/01/28) (AMBAC)		2,000		2,456,820
5.00%, 07/01/36	(PR 01/01/28) (AMBAC)		500		614,205
5.00%, 05/15/42	(Call 05/15/28)		1,500		1,734,795
5.13%, 07/01/37	(PR 07/01/26) (AMBAC)		5,710		6,945,701
Series A
4.00%, 10/01/45	(Call 10/01/26)		1,500		1,563,060
5.00%, 10/01/41	(Call 10/01/26)		1,010		1,164,267
California Municipal Finance Authority RB
5.00%, 06/01/42	(Call 06/01/27)		2,110		2,424,580
5.00%, 01/01/48	(Call 01/01/28)		1,000		1,157,150
California State Public Works Board RB
Series A
5.00%, 12/01/19	(AMBAC)		10		10,411
5.00%, 04/01/20			690		738,983
5.00%, 04/01/21			1,500		1,648,410
5.00%, 04/01/22			1,810		2,032,304
5.00%, 09/01/27	(Call 09/01/24)		2,175		2,506,274
5.00%, 04/01/30	(Call 04/01/22)		5,500		6,097,795
5.00%, 09/01/32	(Call 09/01/24)		1,535		1,740,183
5.00%, 04/01/37	(Call 04/01/22)		1,710		1,883,907
5.00%, 03/01/38	(Call 03/01/23)		3,155		3,492,112


Security		Principal (000s)		Value
5.00%, 09/01/39	(Call 09/01/24)	$	1,000	$	1,117,890
6.25%, 04/01/34	(PR 04/01/19)		1,725		1,815,735
Series A-1
6.00%, 03/01/35	(PR 03/01/20)		1,000		1,089,040
Series B
5.00%, 10/01/22			1,800		2,042,802
5.00%, 10/01/25			3,910		4,625,569
5.00%, 10/01/39	(Call 10/01/24)		2,750		3,077,910
Series C
4.00%, 06/01/28	(Call 06/01/22)		200		211,846
Series D
5.00%, 12/01/23	(Call 12/01/21)		1,500		1,670,250
5.00%, 12/01/31	(Call 12/01/21)		750		824,543
Series F
5.00%, 05/01/20			1,000		1,073,560
5.00%, 05/01/23			3,420		3,919,115
5.00%, 05/01/26	(Call 05/01/25)		1,990		2,321,494
5.00%, 05/01/27	(Call 05/01/25)		4,280		4,968,566
Series G
5.00%, 01/01/19			2,780		2,864,873
5.00%, 01/01/21			4,505		4,916,667
5.00%, 11/01/37	(Call 11/01/22)		3,175		3,540,061
Series G-1
5.75%, 10/01/30	(PR 10/01/19)		3,025		3,228,976
Series H
5.00%, 12/01/19			4,900		5,195,421
5.00%, 09/01/38	(PR 09/01/23)		1,000		1,158,260
Series I
5.00%, 11/01/38	(Call 11/01/23)		6,830		7,649,668
Series I-1
6.38%, 11/01/34	(PR 11/01/19)		600		648,600
California State University RB
Series A
4.00%, 11/01/28	(Call 11/01/22)		1,680		1,809,444
4.00%, 11/01/34	(Call 05/01/26)		1,000		1,052,630
4.00%, 11/01/34	(Call 11/01/25)		2,000		2,103,740
4.00%, 11/01/35	(Call 05/01/26)		5,000		5,248,500
4.00%, 11/01/45	(Call 05/01/26)		4,960		5,123,928
5.00%, 11/01/23			1,000		1,163,940
5.00%, 11/01/24	(Call 11/01/21)		1,250		1,392,125
5.00%, 11/01/24	(Call 11/01/23)		1,000		1,159,280
5.00%, 11/01/25	(Call 11/01/23)		1,400		1,619,744
5.00%, 11/01/27	(Call 11/01/22)		1,170		1,326,090


Security		Principal (000s)		Value
5.00%, 11/01/30	(Call 11/01/25)	$	2,000	$	2,346,700
5.00%, 11/01/31	(Call 05/01/26)		500		587,740
5.00%, 11/01/31	(Call 05/01/27)		1,500		1,785,075
5.00%, 11/01/32	(Call 05/01/26)		1,000		1,171,470
5.00%, 11/01/33	(Call 11/01/25)		1,500		1,744,110
5.00%, 11/01/34	(Call 11/01/24)		2,950		3,401,969
5.00%, 11/01/37	(Call 11/01/22)		5,320		5,936,641
5.00%, 11/01/38	(Call 05/01/27)		2,500		2,887,075
5.00%, 11/01/39	(PR 05/01/18) (AGM)		985		991,235
5.00%, 11/01/39	(Call 05/01/18) (AGM)		15		15,093
5.00%, 11/01/39	(Call 11/01/24)		500		570,015
5.00%, 11/01/41	(Call 05/01/26)		1,005		1,145,640
5.00%, 11/01/44	(Call 11/01/24)		700		789,369
5.00%, 11/01/45	(Call 05/01/26)		2,800		3,183,180
5.00%, 11/01/47	(Call 05/01/27)		2,500		2,837,850
5.00%, 11/01/47	(Call 11/01/25)		1,000		1,135,990
5.25%, 11/01/34	(PR 05/01/19)		500		522,495
5.25%, 11/01/38	(PR 05/01/19)		1,575		1,645,859
California Statewide Communities Development Authority RB
Series A
5.00%, 05/15/42	(Call 05/15/27)		500		559,385
Centinela Valley Union High School District GO
Series B
0.00%, 08/01/45	(Call 08/01/22) (AGM)^a		4,000		917,040
Cerritos Community College District GO
Series A
4.00%, 08/01/44	(Call 08/01/24)		1,750		1,795,780
Chabot-Las Positas Community College District GO
4.00%, 08/01/33	(Call 08/01/26)		2,000		2,120,200
4.00%, 08/01/34	(Call 08/01/26)		2,845		3,005,202
5.00%, 08/01/31	(Call 08/01/23)		1,200		1,363,368
Series A
4.00%, 08/01/19			1,500		1,556,550
Chaffey Joint Union High School District GO
Series B
4.00%, 08/01/44	(Call 02/01/25)		2,000		2,062,140


Security		Principal (000s)		Value
City & County of San Francisco CA COP
Series A
5.00%, 04/01/29	(Call 04/01/19)	$	500	$	518,460
City & County of San Francisco CA GO
Series R1
5.00%, 06/15/18			2,500		2,527,275
5.00%, 06/15/21			25		27,727
5.00%, 06/15/22	(Call 12/15/21)		1,000		1,123,220
City of Los Angeles CA GO
Series B
5.00%, 09/01/19			1,200		1,264,524
5.00%, 09/01/20			1,250		1,357,800
City of Los Angeles CA Wastewater System Revenue RB
Series A
5.00%, 06/01/19			4,425		4,624,567
5.00%, 06/01/26	(Call 06/01/23)		1,000		1,146,550
5.00%, 06/01/34	(Call 06/01/23)		1,000		1,131,120
5.00%, 06/01/39	(PR 06/01/19)		500		522,485
5.00%, 06/01/43	(Call 06/01/23)		6,500		7,236,710
5.25%, 06/01/47	(Call 06/01/27)		1,500		1,761,450
Series B
5.00%, 06/01/22			2,625		2,970,371
5.00%, 06/01/31	(Call 06/01/22)		1,000		1,117,220
5.00%, 06/01/32	(Call 06/01/22)		400		446,368
City of Los Angeles Department of Airports RB
Series A
5.00%, 05/15/26	(Call 05/15/20)		2,705		2,898,948
5.00%, 05/15/28	(Call 05/15/20)		2,000		2,142,500
5.00%, 05/15/32	(Call 05/15/20)		1,125		1,204,403
5.00%, 05/15/34	(Call 05/15/19)		8,600		8,951,998
5.00%, 05/15/35	(Call 05/15/20)		4,870		5,210,413
5.00%, 05/15/40	(Call 05/15/20)		7,950		8,502,127
5.25%, 05/15/39	(Call 05/15/19)		1,000		1,043,410
Series B
5.00%, 05/15/35	(Call 05/15/22)		500		554,620
5.00%, 05/15/40	(Call 05/15/20)		3,000		3,187,560
Series C
5.00%, 05/15/38	(Call 05/15/25)		3,100		3,488,120
Series D
5.25%, 05/15/33	(Call 05/15/20)		700		753,011


Security		Principal (000s)		Value
City of Redding CA Electric System Revenue COP
Series A
5.00%, 06/01/30	(PR 06/01/18) (AGM)	$	580	$	585,411
5.00%, 06/01/30	(Call 06/01/18) (AGM)		420		423,919
City of Sacramento CA Water Revenue RB
5.00%, 09/01/42	(Call 09/01/23)		750		842,055
City of San Francisco CA Public Utilities Commission Water Revenue RB
5.00%, 11/01/25	(Call 05/01/25)		800		947,112
5.00%, 11/01/27	(Call 11/01/26)		6,500		7,837,245
5.00%, 11/01/29	(Call 11/01/26)		3,000		3,580,890
5.00%, 11/01/31	(Call 05/01/25)		2,000		2,316,080
5.00%, 11/01/32	(Call 05/01/25)		2,000		2,307,600
Series A
4.00%, 11/01/39	(Call 11/01/26)		2,000		2,086,280
5.00%, 11/01/30	(PR 11/01/21)		5,500		6,150,265
5.00%, 11/01/32	(PR 11/01/21)		400		447,292
5.00%, 11/01/33	(Call 11/01/26)		2,000		2,351,480
5.00%, 11/01/35	(PR 05/01/22)		1,355		1,529,321
5.00%, 11/01/35	(Call 05/01/22)		2,645		2,942,510
5.00%, 11/01/37	(Call 05/01/22)		1,000		1,109,960
5.00%, 11/01/41	(Call 11/01/21)		2,750		3,016,502
5.00%, 11/01/43	(Call 05/01/22)		1,000		1,102,410
Series B
5.00%, 11/01/39	(PR 11/01/19)		1,000		1,058,470
Series D
5.00%, 11/01/34	(Call 11/01/27)		2,000		2,372,080
Clovis Unified School District GO
Series D
4.00%, 08/01/40	(Call 08/01/25)		1,000		1,029,740
Coast Community College District GO
0.00%, 08/01/34	(Call 08/01/25)^a		2,000		1,051,340
5.00%, 08/01/29	(Call 08/01/25)		2,000		2,330,520
Series A
5.00%, 08/01/38	(Call 08/01/23)		3,580		4,016,975
Series B
0.00%, 08/01/27	(AGM)^a		6,475		4,901,251
Series D
4.00%, 08/01/42	(Call 08/01/27)		2,000		2,084,460


Security		Principal (000s)		Value
Contra Costa Community College District GO
5.00%, 08/01/38	(Call 08/01/23)	$	10,155	$	11,400,003
Series A
4.00%, 08/01/39	(Call 08/01/24)		750		774,848
County of Sacramento CA Airport System Revenue RB
5.00%, 07/01/40	(Call 07/01/20)		1,145		1,221,188
Series A
5.00%, 07/01/41	(Call 07/01/26)		3,500		3,957,345
Series B
5.75%, 07/01/39	(Call 07/01/18)		1,250		1,268,000
Series C
6.00%, 07/01/41	(PR 07/01/18)		1,705		1,731,769
County of Santa Clara CA GO
4.00%, 08/01/39	(Call 08/01/22)		2,250		2,324,430
Series C
4.00%, 08/01/38	(Call 08/01/27)		3,015		3,197,046
Cucamonga Valley Water District RB
Series A
5.38%, 09/01/35	(Call 09/01/21) (AGM)		750		838,590
Desert Community College District GO
4.00%, 08/01/39	(Call 08/01/27)		3,500		3,653,545
East Bay Municipal Utility District Water System Revenue RB
Series 2014-B
5.00%, 06/01/24			500		588,630
Series A
5.00%, 06/01/36	(PR 06/01/20)		13,210		14,239,852
5.00%, 06/01/36	(Call 06/01/25)		1,925		2,218,678
5.00%, 06/01/42	(Call 06/01/27)		750		870,315
5.00%, 06/01/45	(Call 06/01/27)		2,465		2,853,952
Series B
5.00%, 06/01/22			2,000		2,268,400
5.00%, 06/01/23			1,000		1,156,800
5.00%, 06/01/31	(Call 06/01/27)		2,000		2,379,540
5.00%, 06/01/34	(Call 06/01/27)		4,800		5,650,608
Eastern Municipal Water District COP
Series H
5.00%, 07/01/35	(PR 07/01/18)		500		506,290


Security		Principal (000s)		Value
Eastern Municipal Water District Financing Authority RB
Series D
5.00%, 07/01/47	(Call 07/01/27)	$	1,500	$	1,720,155
El Camino Community College District GO
Series 2012-A
4.00%, 08/01/45	(Call 08/01/26)		2,000		2,072,280
Series C
0.00%, 08/01/32^a			200		122,674
0.00%, 08/01/34^a			8,415		4,722,919
El Dorado Irrigation District/El Dorado County Water Agency RB
Series A
5.00%, 03/01/34	(Call 03/01/24) (AGM)		500		564,165
Escondido Union High School District GO
Series C
0.00%, 08/01/46^a			1,905		573,938
0.00%, 08/01/51^a			2,850		689,016
Foothill-De Anza Community College District GO
4.00%, 08/01/40	(Call 08/01/26)		4,000		4,192,160
Series C
5.00%, 08/01/36	(PR 08/01/21)		1,000		1,111,100
5.00%, 08/01/40	(PR 08/01/21)		4,750		5,277,725
Foothill-Eastern Transportation Corridor Agency RB
0.00%, 01/15/34	(AGM)^a		1,000		521,900
0.00%, 01/15/35	(AGM)^a		1,700		845,988
Series A
0.00%, 01/01/20	(ETM)^a		1,355		1,315,800
0.00%, 01/01/23	(ETM)^a		500		451,145
0.00%, 01/01/25	(ETM)^a		200		169,582
0.00%, 01/01/26	(ETM)^a		1,500		1,230,990
0.00%, 01/01/28	(ETM)^a		4,450		3,405,451
0.00%, 01/01/30	(ETM)^a		1,000		703,900
6.00%, 01/15/53	(Call 01/15/24)		4,500		5,247,765
Series B-1
3.95%, 01/15/53	(Call 07/15/27)		1,800		1,760,544
Fremont Union High School District GO
4.00%, 08/01/40	(Call 08/01/24)		2,000		2,075,600


Security		Principal (000s)		Value
Glendale Unified School District/CA GO
Series B
4.00%, 09/01/41	(Call 09/01/25)	$	1,650	$	1,708,394
Hayward Area Recreation & Park District GO
Series A
4.00%, 08/01/46	(Call 08/01/27)		8,950		9,298,781
Long Beach Community College District GO
Series B
0.00%, 08/01/49	(Call 08/01/42)^a		2,000		1,237,100
5.00%, 08/01/39	(PR 08/01/22)		1,500		1,703,445
Long Beach Unified School District GO
Series D-1
0.00%, 08/01/39	(Call 02/01/25)^a		800		327,376
Los Angeles Community College District/CA GO
4.00%, 08/01/37	(Call 08/01/26)		1,500		1,569,825
Series A
4.00%, 08/01/32	(Call 08/01/24)		1,000		1,062,130
4.00%, 08/01/33	(Call 08/01/24)		2,960		3,135,025
5.00%, 08/01/22			1,000		1,136,550
5.00%, 08/01/29	(Call 08/01/24)		9,790		11,370,400
5.00%, 08/01/30	(Call 08/01/24)		8,935		10,348,517
5.00%, 08/01/31	(Call 08/01/24)		2,000		2,309,940
6.00%, 08/01/33	(PR 08/01/19)		3,000		3,192,930
Series C
5.00%, 06/01/26			1,000		1,205,910
Series E-1
5.00%, 08/01/33	(PR 08/01/18)		7,020		7,130,565
Los Angeles Convention & Exhibit Center Authority RB
Series A
5.00%, 08/15/20	(PR 08/15/18)		1,200		1,220,688
Los Angeles County Metropolitan Transportation Authority RB
Series A
5.00%, 07/01/20			3,300		3,569,016
5.00%, 07/01/21	(Call 07/01/18) (AGM)		2,030		2,055,334
5.00%, 07/01/22	(Call 07/01/18) (AGM)		200		202,436


Security		Principal (000s)		Value
5.00%, 06/01/36	(Call 06/01/26)	$	2,500	$	2,902,425
5.00%, 07/01/40	(Call 07/01/27)		3,000		3,479,730
5.00%, 07/01/42	(Call 07/01/27)		2,585		2,984,744
Series B
5.00%, 07/01/22	(PR 07/01/21)		1,000		1,108,790
Los Angeles County Public Works Financing Authority RB
5.00%, 08/01/37	(Call 08/01/22)		1,000		1,104,720
Series D
4.00%, 12/01/40	(Call 12/01/25)		3,765		3,907,166
5.00%, 12/01/45	(Call 12/01/25)		2,000		2,242,280
Los Angeles County Sanitation Districts Financing Authority RB
Series A
5.00%, 10/01/20			1,000		1,088,790
Los Angeles Department of Water & Power System Revenue RB
Series A
5.00%, 07/01/20			2,545		2,754,301
5.00%, 07/01/21			35		38,904
5.00%, 07/01/22	(PR 07/01/21)		20		22,107
5.00%, 07/01/22	(Call 07/01/21)		1,480		1,640,506
5.00%, 07/01/28	(Call 01/01/25)		2,000		2,324,380
5.00%, 07/01/46	(Call 01/01/26)		5,900		6,669,478
Series A-1
5.25%, 07/01/38	(Call 07/01/18)		1,920		1,944,307
Series B
5.00%, 07/01/25	(Call 07/01/20)		2,000		2,155,860
5.00%, 07/01/30	(Call 07/01/23)		1,500		1,714,185
5.00%, 07/01/32	(Call 01/01/24)		1,145		1,308,724
5.00%, 07/01/36	(Call 01/01/27)		2,000		2,319,980
5.00%, 07/01/42	(Call 01/01/26)		1,095		1,241,872
5.00%, 07/01/43	(Call 01/01/24)		1,780		1,987,210
5.00%, 07/01/43	(Call 07/01/22)		4,415		4,869,039
5.25%, 07/01/24	(PR 07/01/19)		15		15,742
5.25%, 07/01/24	(Call 07/01/19)		1,630		1,715,298
Series C
5.00%, 07/01/26	(Call 07/01/24)		6,315		7,374,720
5.00%, 07/01/47	(Call 07/01/27)		2,000		2,297,020
Series D
5.00%, 07/01/35	(Call 07/01/24)		1,250		1,422,463
5.00%, 07/01/44	(Call 07/01/24)		9,455		10,612,859
Series E
5.00%, 07/01/44	(Call 07/01/24)		2,000		2,244,920


Security		Principal (000s)		Value
Los Angeles Department of Water RB
Series A
5.00%, 07/01/36	(Call 01/01/21)	$	5,000	$	5,417,850
5.00%, 07/01/43	(Call 07/01/22)		2,500		2,757,100
5.00%, 07/01/44	(Call 01/01/27)		3,000		3,432,270
5.00%, 07/01/46	(Call 01/01/26)		4,000		4,521,680
5.00%, 07/01/48	(Call 01/01/28)		2,000		2,301,500
Series B
5.00%, 07/01/33	(Call 07/01/23)		2,500		2,839,425
5.00%, 07/01/34	(Call 07/01/23)		1,200		1,359,696
5.00%, 07/01/36	(Call 07/01/22)		1,000		1,114,150
5.00%, 07/01/43	(Call 07/01/22)		4,540		5,006,894
5.00%, 07/01/46	(Call 01/01/26)		3,925		4,436,898
Los Angeles Unified School District/CA GO
Series A
4.00%, 07/01/33	(Call 07/01/25)		1,000		1,056,560
5.00%, 07/01/19			3,000		3,142,620
5.00%, 07/01/20			4,000		4,321,280
5.00%, 07/01/22			5,295		6,000,082
5.00%, 07/01/23			2,500		2,886,950
5.00%, 07/01/24			3,000		3,524,790
5.00%, 07/01/25			3,400		4,046,238
5.00%, 07/01/27			3,460		4,188,607
5.00%, 07/01/29	(Call 07/01/21)		1,000		1,102,630
5.00%, 07/01/29	(Call 07/01/25)		4,000		4,636,840
5.00%, 07/01/30	(Call 07/01/21)		3,080		3,389,817
5.00%, 07/01/31	(Call 07/01/21)		4,110		4,516,397
5.00%, 07/01/40	(Call 07/01/25)		4,000		4,531,200
Series A-2
5.00%, 07/01/21			3,000		3,326,370
Series B
5.00%, 07/01/18			2,575		2,607,574
5.00%, 07/01/21			1,455		1,613,289
Series B-1
5.00%, 07/01/26			1,500		1,798,560
5.00%, 07/01/34	(Call 01/01/28)		2,500		2,936,175
5.00%, 07/01/36	(Call 01/01/28)		2,000		2,337,780
5.00%, 07/01/38	(Call 01/01/28)		2,000		2,332,240
5.25%, 07/01/42	(Call 01/01/28)		2,000		2,365,080
Series C
5.00%, 07/01/22			1,705		1,932,038
5.00%, 07/01/23			4,140		4,780,789


Security		Principal (000s)		Value
5.00%, 07/01/25	(Call 07/01/24)	$	2,050	$	2,399,299
5.00%, 07/01/30	(Call 07/01/24)		750		867,210
Series D
5.00%, 07/01/26	(Call 07/01/24)		1,550		1,808,106
5.00%, 01/01/34	(Call 07/01/19)		250		261,040
5.20%, 07/01/29	(Call 07/01/19)		1,000		1,048,130
Series I
5.00%, 07/01/27	(Call 07/01/19)		6,890		7,207,284
5.00%, 07/01/29	(Call 07/01/19)		1,200		1,254,612
M-S-R Public Power Agency RB
Series L
5.00%, 07/01/19	(PR 07/01/18) (AGM)		30		30,372
5.00%, 07/01/19	(Call 07/01/18) (AGM)		270		273,070
Mendocino-Lake Community College District GO
Series B
0.00%, 08/01/51	(AGM)^a		750		176,835
0.00%, 08/01/51	(PR 08/01/21) (AGM)^a		1,175		108,394
Merced Union High School District GO
Series C
0.00%, 08/01/46	(PR 08/01/21)^a		1,500		235,425
Metropolitan Water District of Southern California RB
5.75%, 08/10/18			900		917,316
Series A
5.00%, 07/01/28	(Call 07/01/25)		8,695		10,257,231
Series B
5.00%, 08/01/20	(Call 07/01/20)		2,000		2,163,040
Series C
5.00%, 10/01/26	(Call 10/01/21)		200		222,830
5.00%, 10/01/27			1,000		1,219,420
Series E
5.00%, 07/01/23			1,000		1,155,870
Series G
5.00%, 07/01/28	(Call 07/01/22)		560		631,826
Modesto Irrigation District COP
Series A
6.00%, 10/01/39	(PR 04/01/19)		500		524,603


Security		Principal (000s)		Value
Mount Diablo Unified School District/CA GO
Series A
0.00%, 08/01/35	(Call 08/01/25) (AGM)^a	$	2,530	$	2,358,415
Series E
5.00%, 06/01/37	(Call 08/01/22)		4,355		4,814,888
Mount San Antonio Community College District GO
0.00%, 08/01/28	(Call 02/01/28)^a		1,000		954,360
0.00%, 08/01/43	(Call 08/01/35)^a		11,570		9,397,038
Municipal Improvement Corp. of Los Angeles RB
Series B
4.00%, 11/01/34	(Call 11/01/26)		800		840,024
5.00%, 11/01/30	(Call 11/01/26)		2,000		2,349,800
Newport Mesa Unified School District GO
0.00%, 08/01/34^a			1,500		844,605
0.00%, 08/01/36^a			1,400		723,142
0.00%, 08/01/38^a			1,500		709,680
0.00%, 08/01/41	(PR 08/01/21)^a		2,520		580,306
0.00%, 08/01/43	(Call 08/01/27)^a		1,500		542,790
0.00%, 08/01/44	(Call 08/01/27)^a		1,125		390,128
0.00%, 08/01/45	(Call 08/01/27)^a		2,500		826,175
Palomar Community College District GO
4.00%, 08/01/45	(Call 08/01/27)		1,900		1,958,653
Series C
4.00%, 08/01/40	(Call 08/01/25)		1,000		1,036,350
Series D
4.00%, 08/01/46	(Call 08/01/27)		500		514,225
5.25%, 08/01/45	(Call 08/01/27)		1,000		1,180,620
Peralta Community College District GO
Series C
5.00%, 08/01/39	(PR 08/01/19)		500		525,180
Placentia-Yorba Linda Unified School District GO
0.00%, 08/01/42^a			1,205		454,924
Series D
0.00%, 08/01/46^a			2,500		783,850


Security		Principal (000s)		Value
Port of Los Angeles RB
Series B
5.00%, 08/01/44	(Call 08/01/24)	$	2,430	$	2,734,212
Series C
5.25%, 08/01/23	(Call 08/01/19)		1,000		1,053,270
Poway Unified School District GO
0.00%, 08/01/33^a			1,000		570,020
0.00%, 08/01/36^a			13,250		6,541,657
0.00%, 08/01/41^a			1,500		586,650
0.00%, 08/01/46^a			5,500		1,647,745
0.00%, 08/01/51^a			1,250		296,850
Series B
0.00%, 08/01/34^a			4,630		2,512,099
Rio Hondo Community College District/CA GO
0.00%, 08/01/42	(Call 08/01/34)^a		560		581,633
Series 2004-C
0.00%, 08/01/42	(Call 08/01/34)^a		5,000		5,270,300
Riverside CA Sewer Revenue RB
Series A
5.00%, 08/01/40	(Call 08/01/25)		1,690		1,892,868
Riverside County Public Financing Authority RB
5.25%, 11/01/45	(Call 11/01/25)		1,000		1,151,510
Riverside County Transportation Commission RB
Series A
5.25%, 06/01/39	(PR 06/01/23)		1,500		1,748,145
5.75%, 06/01/48	(Call 06/01/23)		2,000		2,219,960
Series B
5.00%, 06/01/35	(Call 12/01/27)		1,000		1,169,740
5.00%, 06/01/39	(Call 12/01/27)		1,000		1,157,820
Sacramento Area Flood Control Agency SA
Series A
5.00%, 10/01/41	(Call 10/01/26)		2,000		2,284,320
Sacramento City Financing Authority RB
5.25%, 12/01/30	(AMBAC)		440		524,590
Series A
5.40%, 11/01/20	(AMBAC)		270		285,679


Security		Principal (000s)		Value
Sacramento County Sanitation Districts Financing Authority RB
Series A
5.00%, 12/01/44	(Call 06/01/24)	$	2,000	$	2,241,960
Sacramento Municipal Utility District RB
Series A
5.00%, 08/15/41	(Call 08/15/23)		7,910		8,826,611
Series E
5.00%, 08/15/24			1,500		1,769,145
Series U
5.00%, 08/15/27	(PR 08/15/18) (AGM)		735		747,502
5.00%, 08/15/27	(Call 08/15/18) (AGM)		1,170		1,189,738
Series X
5.00%, 08/15/20			550		596,877
5.00%, 08/15/25	(PR 08/15/21)		255		282,288
5.00%, 08/15/25	(Call 08/15/21)		745		826,570
San Bernardino Community College District GO
Series A
6.25%, 08/01/33	(PR 08/01/18)		300		306,144
San Diego Community College District GO
5.00%, 08/01/28	(Call 08/01/26)		1,000		1,197,000
5.00%, 08/01/29	(PR 08/01/21)		120		133,332
5.00%, 08/01/30	(Call 08/01/23)		1,250		1,435,950
5.00%, 08/01/30	(Call 08/01/26)		3,500		4,157,230
5.00%, 08/01/31	(Call 08/01/26)		8,000		9,449,040
5.00%, 08/01/43	(Call 08/01/23)		1,490		1,682,314
San Diego County Regional Airport Authority RB
Series A
5.00%, 07/01/40	(Call 07/01/20)		1,420		1,514,813
5.00%, 07/01/43	(Call 07/01/23)		1,250		1,393,775
San Diego County Regional Transportation Commission RB
Series A
5.00%, 04/01/41	(Call 04/01/26)		3,000		3,436,890
5.00%, 04/01/42	(Call 04/01/22)		2,000		2,206,680
5.00%, 04/01/48	(Call 04/01/22)		2,500		2,748,125
5.00%, 04/01/48	(Call 04/01/26)		2,270		2,588,345


Security		Principal (000s)		Value
San Diego County Water Authority Financing Corp. COP
Series 2008
5.00%, 05/01/38	(PR 05/01/18)	$	10,000	$	10,063,300
Series A
5.00%, 05/01/33	(PR 05/01/18) (AGM)		3,800		3,824,054
San Diego County Water Authority Financing Corp. RB
5.00%, 05/01/31	(Call 11/01/22)		1,735		1,961,504
5.00%, 05/01/34	(Call 11/01/22)		1,000		1,126,280
Series B
5.00%, 05/01/36	(Call 05/01/26)		2,250		2,610,720
San Diego Public Facilities Financing Authority RB
Series A
5.00%, 10/15/44	(Call 10/15/25)		1,810		2,028,684
San Diego Public Facilities Financing Authority Sewer Revenue RB
5.00%, 05/15/22			1,025		1,159,388
5.00%, 05/15/23			2,555		2,945,532
5.00%, 05/15/25			2,500		2,971,175
Series A
5.00%, 05/15/29	(Call 05/15/26)		2,500		2,962,875
5.25%, 05/15/34	(PR 05/15/19)		8,640		9,041,587
5.25%, 05/15/39	(PR 05/15/19)		1,000		1,046,480
Series B
5.00%, 05/15/18			1,000		1,007,690
5.00%, 05/15/22	(PR 05/15/19)		4,010		4,181,989
5.50%, 05/15/23	(PR 05/15/19)		1,445		1,515,559
San Diego Public Facilities Financing Authority Water Revenue RB
Series B
5.00%, 08/01/28	(Call 08/01/26)		2,500		2,986,200
5.50%, 08/01/39	(PR 08/01/19)		700		739,627
San Diego Regional Building Authority RB
5.38%, 02/01/36	(PR 02/01/19)		1,500		1,555,620
San Diego Unified School District/CA GO
0.00%, 07/01/30^a			1,300		856,791
0.00%, 07/01/35^a			2,380		1,243,740


Security		Principal (000s)		Value
0.00%, 07/01/36^a		$	1,500	$	748,290
0.00%, 07/01/37^a			700		332,402
0.00%, 07/01/43^a			4,140		1,518,138
0.00%, 07/01/44^a			2,165		761,106
0.00%, 07/01/45^a			2,590		872,726
Series C
0.00%, 07/01/45^a			2,000		673,920
0.00%, 07/01/46^a			275		88,800
0.00%, 07/01/47^a			1,405		434,693
0.00%, 07/01/48	(Call 07/01/40)^a		3,250		2,480,205
5.00%, 07/01/35	(Call 07/01/23)		1,715		1,932,239
Series E
0.00%, 07/01/42^a			5,850		3,764,358
0.00%, 07/01/47	(Call 07/01/42)^a		3,800		2,503,744
0.00%, 07/01/49^a			2,500		690,250
Series F-1
5.25%, 07/01/28	(AGM)		1,000		1,252,080
Series G
0.00%, 07/01/38	(Call 01/01/24)^a		4,000		1,475,280
Series I
4.00%, 07/01/47	(Call 07/01/27)		2,000		2,067,660
Series R-1
0.00%, 07/01/31^a			2,000		1,265,980
Series R-2
0.00%, 07/01/40^a			3,475		2,819,163
Series R-5
5.00%, 07/01/29	(Call 07/01/26)		2,000		2,373,840
Series SR-1
4.00%, 07/01/32	(Call 07/01/26)		1,000		1,067,110
San Dieguito Union High School District GO
Series A-2
4.00%, 08/01/38	(Call 08/01/23)		1,000		1,031,920
Series B-2
4.00%, 02/01/40	(Call 08/01/25)		800		829,080
San Francisco Bay Area Rapid Transit District GO
4.00%, 08/01/37	(Call 08/01/27)		8,420		8,872,491
Series A
4.00%, 08/01/42	(Call 08/01/27)		1,500		1,569,480
Series D
4.00%, 08/01/34	(Call 08/01/25)		2,000		2,121,080


Security		Principal (000s)		Value
San Francisco Bay Area Rapid Transit District Sales Tax Revenue RB
Series A
5.00%, 07/01/36	(Call 07/01/22)	$	730	$	813,972
5.00%, 07/01/36	(PR 07/01/22)		270		304,871
San Francisco City & County Airport Commission San Francisco International Airport RB
5.00%, 05/01/19			1,450		1,510,364
5.00%, 05/01/46	(Call 05/01/26)		3,000		3,357,690
Second Series
5.00%, 05/01/26	(Call 05/01/22)		1,000		1,118,830
Series A
4.90%, 05/01/29	(Call 11/01/19)		1,000		1,053,950
Series B
4.90%, 05/01/29	(Call 11/01/19)		1,500		1,580,925
5.00%, 05/01/43	(Call 05/01/23)		2,000		2,201,020
5.00%, 05/01/44	(Call 05/01/24)		2,000		2,224,680
5.00%, 05/01/47	(Call 05/01/27)		2,500		2,823,075
Series C
5.00%, 05/01/23	(PR 05/01/20)		685		734,176
5.00%, 05/01/23	(Call 05/01/20)		920		985,633
Series D
5.00%, 05/01/24	(Call 05/01/21)		2,500		2,749,775
Series E
6.00%, 05/01/39	(Call 05/01/19)		4,000		4,203,000
Series F
5.00%, 05/01/35	(Call 05/01/20)		500		532,145
San Francisco City & County Public Utilities Commission Wastewater Revenue RB
Series B
4.00%, 10/01/39	(Call 10/01/22)		3,500		3,591,280
4.00%, 10/01/42	(Call 10/01/22)		25,000		25,588,000
San Francisco Municipal Transportation Agency RB
4.00%, 03/01/46	(Call 03/01/27)		3,500		3,631,320
San Joaquin County Transportation Authority RB
4.00%, 03/01/41	(Call 03/01/27)		1,000		1,037,520
Series A
5.50%, 03/01/41	(PR 03/01/21)		4,600		5,112,946


Security		Principal (000s)		Value
San Joaquin Hills Transportation Corridor Agency RB
0.00%, 01/01/19	(ETM)^a	$	980	$	968,475
0.00%, 01/01/20	(ETM)^a		500		485,535
0.00%, 01/01/25	(ETM)^a		2,100		1,780,611
0.00%, 01/01/27	(ETM)^a		1,075		846,831
5.00%, 01/15/29	(Call 01/15/25)		1,000		1,122,630
5.00%, 01/15/34	(Call 01/15/25)		2,000		2,203,500
5.00%, 01/15/50	(Call 01/15/25)		7,500		8,128,950
Series A
5.00%, 01/15/44	(Call 01/15/25)		3,000		3,262,980
San Jose Financing Authority RB
Series A
5.00%, 06/01/39	(Call 06/01/23)		3,165		3,526,981
San Marcos Unified School District GO
Series B
0.00%, 08/01/47^a			1,700		500,021
0.00%, 08/01/51^a			1,500		365,340
San Mateo County Community College District GO
5.00%, 09/01/45	(Call 09/01/25)		1,000		1,147,120
Series B
0.00%, 09/01/32	(NPFGC)^a		3,515		2,177,683
Series C
0.00%, 09/01/30	(NPFGC)^a		4,295		2,877,779
San Mateo Foster City School District/CA GO
0.00%, 08/01/42	(Call 08/01/31)^a		3,000		2,543,010
San Mateo Joint Powers Financing Authority RB
Series A
5.00%, 07/15/33	(PR 07/15/18)		750		760,545
San Mateo Union High School District GO
0.00%, 09/01/33^a			500		400,320
0.00%, 09/01/41	(Call 09/01/36)^a		3,460		2,868,617
Series A
0.00%, 07/01/51	(Call 09/01/41)^a		4,465		2,732,982
Santa Barbara Secondary High School District GO
Series A
0.00%, 08/01/36^a			2,500		1,167,425


Security		Principal (000s)		Value
Santa Clara County Financing Authority RB
Series L
5.25%, 05/15/36	(PR 05/15/18)	$	1,500	$	1,512,510
Santa Clara Valley Water District RB
Series A
5.00%, 06/01/46	(Call 12/01/25)		1,000		1,129,920
Santa Monica Community College District GO
Series B
4.00%, 08/01/44	(Call 08/01/24)		1,500		1,540,110
Santa Monica-Malibu Unified School District GO
0.00%, 08/01/20	(NPFGC)^a		3,315		3,180,742
South San Francisco Unified School District GO
Series C
4.00%, 09/01/37	(Call 09/01/25)		4,000		4,190,040
Southern California Public Power Authority RB
5.00%, 07/01/26	(Call 01/01/25)		1,500		1,762,890
Series 1
2.00%, 07/01/36	(Put 07/01/20)^b		1,000		1,009,580
Series 2010-1
5.00%, 07/01/22	(Call 07/01/20)		1,260		1,359,401
5.00%, 07/01/30	(Call 07/01/20)		1,950		2,096,386
Series A
5.00%, 07/01/18			315		318,900
Series B
6.00%, 07/01/25	(PR 07/01/18)		2,500		2,539,250
Southern California Water Replenishment District RB
4.00%, 08/01/45	(Call 08/01/25)		1,500		1,553,535
Southwestern Community College District GO
Series C
0.00%, 08/01/46^a			1,920		568,704
Series D
5.00%, 08/01/44	(Call 08/01/25)		2,000		2,238,680
State of California Department of Water Resources Power Supply Revenue RB
Series F-3
5.00%, 05/01/21	(PR 05/01/18)		1,500		1,509,495


Security		Principal (000s)		Value
Series F-5
5.00%, 05/01/22	(PR 05/01/18)	$	3,375	$	3,396,364
Series H
5.00%, 05/01/21	(PR 05/01/18)		1,500		1,509,409
Series L
5.00%, 05/01/18			1,290		1,298,063
5.00%, 05/01/19			9,445		9,846,129
5.00%, 05/01/21	(PR 05/01/20)		1,805		1,938,570
5.00%, 05/01/21	(Call 05/01/20)		975		1,047,589
5.00%, 05/01/22	(PR 05/01/20)		715		767,910
5.00%, 05/01/22	(Call 05/01/20)		3,185		3,420,690
Series M
4.00%, 05/01/19			1,295		1,335,093
Series N
5.00%, 05/01/18			1,490		1,499,313
5.00%, 05/01/19			3,000		3,127,410
5.00%, 05/01/21			1,540		1,701,377
Series O
5.00%, 05/01/21			1,800		1,988,622
5.00%, 05/01/22			16,895		19,112,131
State of California Department of Water Resources RB
5.00%, 12/01/24	(PR 06/01/18)		650		656,149
5.00%, 12/01/27	(PR 06/01/18)		500		504,730
5.00%, 12/01/28	(PR 06/01/18)		695		701,575
Series AS
5.00%, 12/01/24	(ETM)		10		11,767
5.00%, 12/01/24			2,690		3,196,904
5.00%, 12/01/26	(PR 12/01/24)		5		5,884
5.00%, 12/01/26	(Call 12/01/24)		1,020		1,205,150
5.00%, 12/01/27	(PR 12/01/24)		5		5,884
5.00%, 12/01/27	(Call 12/01/24)		995		1,172,876
5.00%, 12/01/28	(PR 12/01/24)		5		5,884
5.00%, 12/01/28	(Call 12/01/24)		995		1,170,140
Series AW
5.00%, 12/01/30	(Call 12/01/26)		6,000		7,130,280
Series AX
5.00%, 12/01/27			1,000		1,229,620
State of California GO
3.00%, 12/01/32	(Put 12/01/19)^b		1,365		1,390,867
4.00%, 09/01/20			500		530,145
4.00%, 11/01/23			2,000		2,210,880
4.00%, 11/01/25			6,340		7,088,500
4.00%, 09/01/28	(Call 09/01/26)		1,250		1,360,763


Security		Principal (000s)		Value
4.00%, 12/01/30	(Put 12/01/21)^b	$	500	$	534,860
4.00%, 08/01/32	(Call 08/01/26)		2,000		2,129,320
4.00%, 09/01/32	(Call 09/01/26)		3,000		3,195,720
4.00%, 11/01/33	(Call 11/01/27)		3,850		4,114,071
4.00%, 11/01/34	(Call 11/01/27)		3,915		4,166,734
4.00%, 09/01/35	(Call 09/01/26)		8,940		9,427,588
4.00%, 11/01/35	(Call 11/01/27)		5,940		6,281,431
4.00%, 09/01/36	(Call 09/01/26)		7,560		7,955,086
4.00%, 11/01/36	(Call 11/01/27)		8,000		8,426,000
4.00%, 11/01/44	(Call 11/01/24)		1,500		1,561,380
4.00%, 03/01/45	(Call 03/01/25)		6,500		6,720,545
4.00%, 08/01/45	(Call 08/01/25)		1,000		1,035,690
4.00%, 11/01/47	(Call 11/01/27)		3,250		3,357,867
4.50%, 08/01/26	(Call 04/02/18)		20		20,046
4.50%, 08/01/27	(Call 04/02/18)		25		25,057
4.50%, 08/01/28	(Call 04/02/18) (AMBAC)		20		20,044
4.50%, 08/01/30	(Call 04/02/18)		40		40,086
4.75%, 04/01/18			280		280,804
5.00%, 03/01/18			1,900		1,900,000
5.00%, 09/01/18			5,300		5,399,269
5.00%, 10/01/18			4,360		4,455,004
5.00%, 02/01/19			4,050		4,184,905
5.00%, 04/01/19	(PR 04/01/18)		1,150		1,153,669
5.00%, 08/01/19			3,920		4,116,274
5.00%, 09/01/19			10,400		10,948,080
5.00%, 10/01/19			1,000		1,055,420
5.00%, 02/01/20			5,585		5,954,559
5.00%, 04/01/20			4,000		4,286,520
5.00%, 04/01/20	(Call 04/01/19)		1,460		1,515,830
5.00%, 08/01/20			3,250		3,517,020
5.00%, 09/01/20			1,500		1,627,050
5.00%, 10/01/20			2,000		2,174,380
5.00%, 12/01/20			2,500		2,730,325
5.00%, 02/01/21			3,935		4,308,471
5.00%, 08/01/21			2,230		2,473,828
5.00%, 09/01/21			21,645		24,060,148
5.00%, 10/01/21			1,000		1,113,780
5.00%, 10/01/21	(Call 10/01/19)		1,875		1,978,913
5.00%, 02/01/22			3,290		3,684,767
5.00%, 04/01/22			1,450		1,629,916
5.00%, 09/01/22			6,795		7,708,248
5.00%, 11/01/22			2,560		2,913,766
5.00%, 12/01/22			1,000		1,140,060


Security		Principal (000s)		Value
5.00%, 09/01/23		$	14,670	$	16,942,090
5.00%, 09/01/23	(Call 09/01/22)		5,000		5,676,650
5.00%, 10/01/23			1,230		1,423,208
5.00%, 10/01/23	(Call 04/02/18)		25		25,075
5.00%, 11/01/23			1,500		1,738,050
5.00%, 12/01/23			1,835		2,129,169
5.00%, 03/01/24			2,310		2,682,811
5.00%, 08/01/24			4,500		5,264,460
5.00%, 08/01/24	(Call 04/02/18)		5		5,015
5.00%, 09/01/24	(Call 09/01/22)		2,070		2,345,351
5.00%, 10/01/24	(Call 04/02/18)		5,815		5,832,329
5.00%, 11/01/24			1,500		1,762,020
5.00%, 12/01/24	(Call 12/01/23)		1,895		2,196,570
5.00%, 08/01/25			9,610		11,376,318
5.00%, 08/01/25	(Call 04/02/18)		10		10,030
5.00%, 09/01/25			2,000		2,369,920
5.00%, 09/01/25	(Call 09/01/18)		1,750		1,782,165
5.00%, 09/01/25	(Call 09/01/23)		1,000		1,151,500
5.00%, 10/01/25	(Call 04/02/18)		1,530		1,534,544
5.00%, 10/01/25	(Call 10/01/24)		1,000		1,174,000
5.00%, 11/01/25	(Call 11/01/23)		5,545		6,405,750
5.00%, 03/01/26	(Call 03/01/25)		3,400		3,995,000
5.00%, 08/01/26			3,485		4,168,618
5.00%, 10/01/26	(Call 10/01/24)		2,000		2,333,300
5.00%, 02/01/27	(AMBAC)		550		659,247
5.00%, 02/01/27	(Call 02/01/23)		1,000		1,134,710
5.00%, 03/01/27	(Call 03/01/25)		1,145		1,340,532
5.00%, 08/01/27			1,500		1,808,595
5.00%, 08/01/27	(Call 02/01/25)		1,500		1,751,220
5.00%, 09/01/27	(Call 09/01/18)		2,900		2,953,012
5.00%, 09/01/27	(Call 09/01/26)		5,200		6,185,244
5.00%, 10/01/27	(Call 10/01/24)		2,000		2,324,000
5.00%, 11/01/27			9,900		11,965,536
5.00%, 11/01/27	(Call 11/01/23)		2,300		2,650,382
5.00%, 08/01/28	(Call 08/01/18)		5,125		5,202,746
5.00%, 08/01/28	(Call 08/01/26)		3,000		3,540,900
5.00%, 08/01/28	(Call 08/01/27)		1,750		2,088,992
5.00%, 09/01/28	(Call 09/01/21)		1,085		1,202,560
5.00%, 09/01/28	(Call 09/01/23)		1,000		1,143,120
5.00%, 10/01/28	(Call 10/01/24)		2,000		2,316,080
5.00%, 08/01/29	(Call 02/01/25)		2,500		2,897,975
5.00%, 09/01/29	(Call 09/01/21)		1,000		1,105,840
5.00%, 09/01/29	(Call 09/01/26)		8,000		9,395,440
5.00%, 10/01/29	(Call 04/02/18)		9,915		9,944,150


Security		Principal (000s)		Value
5.00%, 10/01/29	(Call 10/01/19)	$	6,905	$	7,278,768
5.00%, 10/01/29	(Call 10/01/24)		4,300		4,962,587
5.00%, 11/01/29	(Call 11/01/23)		2,500		2,855,025
5.00%, 03/01/30	(Call 03/01/25)		2,000		2,316,360
5.00%, 08/01/30	(Call 02/01/25)		2,000		2,310,120
5.00%, 08/01/30	(Call 08/01/25)		3,240		3,775,442
5.00%, 08/01/30	(Call 08/01/26)		2,940		3,433,802
5.00%, 08/01/30	(Call 08/01/27)		6,750		7,952,917
5.00%, 09/01/30	(Call 09/01/21)		1,045		1,154,861
5.00%, 10/01/30	(Call 10/01/24)		2,000		2,300,300
5.00%, 02/01/31	(Call 02/01/22)		2,000		2,219,980
5.00%, 02/01/31	(Call 02/01/23)		1,500		1,682,685
5.00%, 05/01/31	(Call 05/01/24)		1,310		1,491,946
5.00%, 09/01/31	(Call 09/01/21)		2,500		2,759,250
5.00%, 09/01/31	(Call 09/01/26)		1,600		1,861,920
5.00%, 10/01/31	(Call 10/01/24)		2,540		2,913,101
5.00%, 12/01/31	(Call 12/01/23)		1,500		1,709,010
5.00%, 02/01/32	(Call 02/01/22)		2,125		2,353,671
5.00%, 08/01/32	(Call 08/01/25)		6,000		6,947,640
5.00%, 08/01/32	(Call 08/01/26)		5,000		5,790,950
5.00%, 09/01/32	(Call 09/01/26)		6,915		8,018,634
5.00%, 02/01/33	(Call 02/01/22)		3,000		3,318,060
5.00%, 08/01/33	(Call 02/01/25)		2,000		2,285,600
5.00%, 08/01/33	(Call 08/01/24)		2,000		2,276,780
5.00%, 08/01/33	(Call 08/01/25)		3,460		3,986,370
5.00%, 10/01/33	(Call 04/01/23)		1,000		1,121,100
5.00%, 10/01/33	(Call 10/01/24)		1,500		1,712,520
5.00%, 09/01/34	(Call 09/01/26)		9,290		10,682,014
5.00%, 08/01/35	(Call 08/01/24)		1,980		2,250,250
5.00%, 08/01/36	(Call 08/01/26)		6,235		7,136,082
5.00%, 08/01/36	(Call 08/01/27)		4,715		5,453,982
5.00%, 09/01/36	(Call 09/01/22)		1,060		1,183,055
5.00%, 10/01/37	(Call 10/01/24)		2,000		2,276,880
5.00%, 11/01/37	(Call 11/01/27)		1,000		1,157,580
5.00%, 02/01/38	(Call 02/01/22)		1,025		1,126,793
5.00%, 04/01/38	(PR 04/01/18)		26,870		26,955,716
5.00%, 09/01/41	(Call 09/01/21)		7,665		8,427,054
5.00%, 10/01/41	(Call 10/01/21)		7,425		8,177,375
5.00%, 04/01/42	(Call 04/01/22)		4,075		4,462,818
5.00%, 09/01/42	(Call 09/01/22)		7,000		7,746,270
5.00%, 04/01/43	(Call 04/01/23)		8,000		8,871,920
5.00%, 11/01/43	(Call 11/01/23)		22,795		25,543,393
5.00%, 05/01/44	(Call 05/01/24)		1,000		1,123,720
5.00%, 09/01/45	(Call 09/01/26)		11,610		13,163,302


Security		Principal (000s)		Value
5.00%, 11/01/47	(Call 11/01/27)	$	4,930	$	5,658,013
5.13%, 03/01/25	(PR 03/01/18)		2,025		2,025,000
5.13%, 04/01/33	(PR 04/01/18)		2,975		2,984,787
5.25%, 02/01/20			1,105		1,183,311
5.25%, 10/01/20	(Call 10/01/19)		1,160		1,229,751
5.25%, 10/01/21	(Call 10/01/19)		1,050		1,112,958
5.25%, 09/01/22			5,815		6,658,989
5.25%, 02/01/23			250		288,348
5.25%, 09/01/23	(Call 09/01/21)		2,390		2,680,361
5.25%, 09/01/24	(Call 09/01/21)		2,000		2,239,360
5.25%, 09/01/25	(Call 09/01/21)		250		279,738
5.25%, 10/01/29	(Call 10/01/19)		3,800		4,022,338
5.25%, 02/01/30	(Call 02/01/22)		1,000		1,127,380
5.25%, 03/01/30	(Call 03/01/20)		500		535,935
5.25%, 08/01/32	(AGM)		3,455		4,292,388
5.25%, 04/01/35	(Call 04/01/22)		2,000		2,247,600
5.25%, 03/01/38	(PR 03/01/18)		5,910		5,910,000
5.25%, 08/01/38	(PR 08/01/18)		1,915		1,947,134
5.25%, 08/01/38	(Call 08/01/18)		1,830		1,858,859
5.50%, 04/01/18			5,000		5,017,350
5.50%, 04/01/19			1,155		1,205,982
5.50%, 04/01/21	(Call 04/01/19)		315		328,797
5.50%, 04/01/23	(Call 04/01/19)		2,000		2,086,720
5.50%, 08/01/30	(Call 08/01/18)		485		493,313
5.50%, 11/01/34	(Call 11/01/19)		1,000		1,064,780
5.50%, 11/01/39	(Call 11/01/19)		14,810		15,751,768
5.50%, 03/01/40	(Call 03/01/20)		3,170		3,401,030
5.60%, 03/01/36	(Call 03/01/20)		595		638,798
5.75%, 04/01/27	(Call 04/01/19)		1,630		1,705,567
5.75%, 04/01/28	(Call 04/01/19)		1,700		1,778,438
5.75%, 04/01/31	(Call 04/01/19)		3,330		3,481,448
6.00%, 03/01/33	(Call 03/01/20)		1,000		1,085,740
6.00%, 04/01/35	(Call 04/01/19)		1,530		1,603,838
6.00%, 11/01/35	(Call 11/01/19)		235		252,470
6.00%, 04/01/38	(Call 04/01/19)		16,695		17,487,846
6.00%, 11/01/39	(Call 11/01/19)		2,565		2,749,526
6.50%, 04/01/33	(Call 04/01/19)		10,000		10,543,800
Series A
4.60%, 07/01/19	(ETM)		2,000		2,084,580
5.00%, 07/01/18	(ETM)		7,925		8,024,697
5.00%, 07/01/19	(ETM)		5,305		5,557,200
5.00%, 07/01/20	(PR 07/01/19)		7,380		7,730,845
5.00%, 09/01/22			3,000		3,403,200
5.25%, 07/01/21	(PR 07/01/19)		2,000		2,101,660


Security		Principal (000s)		Value
Series B
5.00%, 09/01/18		$	3,500	$	3,565,555
5.00%, 09/01/20			4,800		5,206,560
5.00%, 09/01/21			1,075		1,194,949
Torrance Unified School District GO
4.00%, 08/01/40	(Call 08/01/24)		1,000		1,037,800
Turlock Irrigation District RB
Series A
5.00%, 01/01/40	(PR 01/01/20)		1,000		1,063,130
Ukiah Unified School District/CA GO
0.00%, 08/01/28^a			3,750		2,631,600
University of California RB
4.00%, 05/15/36	(Call 05/15/25)		1,000		1,045,160
Series AF
5.00%, 05/15/29	(PR 05/15/23)		615		706,703
5.00%, 05/15/29	(Call 05/15/23)		915		1,043,173
5.00%, 05/15/36	(PR 05/15/23)		535		614,774
5.00%, 05/15/36	(Call 05/15/23)		1,965		2,214,437
5.00%, 05/15/39	(Call 05/15/23)		2,750		3,081,925
Series AI
5.00%, 05/15/32	(Call 05/15/23)		1,060		1,203,450
5.00%, 05/15/38	(Call 05/15/23)		23,435		26,312,349
Series AK
5.00%, 05/15/48	(Put 05/15/23)^b		2,600		2,987,686
Series AM
5.00%, 05/15/44	(Call 05/15/24)		415		463,883
Series AO
5.00%, 05/15/22			1,475		1,671,588
5.00%, 05/15/23			1,500		1,733,310
5.00%, 05/15/27	(Call 05/15/25)		5,000		5,902,150
Series AR
5.00%, 05/15/41	(Call 05/15/26)		5,000		5,706,550
5.00%, 05/15/46	(Call 05/15/26)		10,160		11,524,691
Series AT
1.40%, 05/15/46	(Put 05/15/21)^b		1,500		1,474,950
Series AV
5.00%, 05/15/47	(Call 05/15/27)		2,000		2,286,640
Series AY
5.00%, 05/15/31	(Call 05/15/27)		4,000		4,745,080
5.00%, 05/15/37	(Call 05/15/27)		2,345		2,719,614
Series G
5.00%, 05/15/28	(PR 05/15/22)		1,005		1,131,117
5.00%, 05/15/28	(Call 05/15/22)		1,235		1,379,903
5.00%, 05/15/37	(PR 05/15/22)		1,370		1,541,921


Security		Principal (000s)		Value
5.00%, 05/15/37	(Call 05/15/22)	$	1,380	$	1,519,670
Series I
5.00%, 05/15/32	(Call 05/15/25)		3,070		3,544,468
Series K
4.00%, 05/15/46	(Call 05/15/26)		1,785		1,836,533
Series M
4.00%, 05/15/47	(Call 05/15/27)		4,580		4,700,546
5.00%, 05/15/52	(Call 05/15/27)		1,750		1,990,328
Series Q
5.00%, 05/15/21	(Call 04/02/18)		15		15,109
Ventura County Community College District GO
Series C
5.50%, 08/01/33	(PR 08/01/18)		905		921,118
Ventura County Public Financing Authority RB
5.00%, 11/01/43	(Call 11/01/22)		1,810		2,016,412
West Valley-Mission Community College District GO Series B
4.00%, 08/01/40	(Call 08/01/25)		1,750		1,831,113
Whittier Union High School District GO
0.00%, 08/01/34	(Call 08/01/19)^a		500		189,050
William S Hart Union High School District GO
Series B
0.00%, 08/01/34	(AGM)^a		4,825		2,630,590
Series C
0.00%, 08/01/37	(Call 08/01/23)^a		1,500		630,765
4.00%, 08/01/38	(Call 08/01/23)		1,630		1,669,837
Yosemite Community College District GO
Series C
5.00%, 08/01/28	(PR 08/01/18) (AGM)		1,000		1,015,540

					2,045,569,436
COLORADO — 0.77%
Board of Governors of Colorado State University System RB
Series A
4.00%, 03/01/49	(Call 03/01/25)		4,000		4,103,160


Security		Principal (000s)		Value
5.00%, 03/01/38	(PR 03/01/22) (HERBIP)	$	500	$	560,210
Series E
5.00%, 03/01/45	(PR 03/01/23) (HERBIP)		10,000		11,389,300
Series E-1
5.00%, 03/01/47	(PR 03/01/25) (HERBIP)		1,000		1,169,758
Board of Water Commissioners City & County of Denver Co. (The) Series A
5.00%, 09/15/47	(Call 09/15/27)		3,500		4,039,105
City & County of Denver CO Airport System Revenue RB
Series A
5.00%, 11/15/21	(Call 11/15/20)		1,000		1,084,850
5.25%, 11/15/36	(Call 11/15/19)		535		567,474
Series B
5.00%, 11/15/32	(Call 11/15/22)		2,335		2,605,580
5.00%, 11/15/43	(Call 11/15/22)		250		278,028
5.00%, 11/15/43	(Call 11/15/23)		3,000		3,302,310
City & County of Denver Co. RB Series A
5.00%, 08/01/44	(Call 08/01/26)		5,560		6,275,461
City of Aurora Co. Water Revenue RB
5.00%, 08/01/46	(Call 08/01/26)		1,000		1,127,110
Colorado Higher Education COP
5.25%, 11/01/23	(PR 11/01/18)		500		513,105
County of Adams CO COP
4.00%, 12/01/45	(Call 12/01/25)		700		716,373
Denver City & County School District No. 1 GO
Series A
5.50%, 12/01/23	(NPFGC-FGIC, SAW)		540		636,968
Series B
3.00%, 12/01/29	(Call 12/01/22) (SAW)		1,000		985,340
5.00%, 12/01/31	(PR 12/01/22) (SAW)		2,000		2,272,320


Security		Principal (000s)		Value
E-470 Public Highway Authority RB
Series A
0.00%, 09/01/40^a		$	2,745	$	1,091,879
0.00%, 09/01/41^a			1,000		380,920
Series B
0.00%, 09/01/18	(NPFGC)^a		7,000		6,941,340
0.00%, 09/01/19	(NPFGC)^a		435		422,733
0.00%, 09/01/20	(NPFGC)^a		665		630,420
0.00%, 09/01/23	(NPFGC)^a		165		142,228
0.00%, 09/01/24	(NPFGC)^a		1,165		965,622
0.00%, 09/01/29	(NPFGC)^a		2,500		1,642,000
Jefferson County School District R-1 GO
5.00%, 12/15/18	(SAW)		500		514,490
Regional Transportation District COP Series A
5.38%, 06/01/31	(Call 06/01/20)		500		535,855
Regional Transportation District RB
Series A
5.00%, 11/01/27			1,500		1,795,920
5.00%, 11/01/28			1,500		1,803,900
5.00%, 11/01/31	(Call 11/01/22)		1,910		2,138,570
5.00%, 11/01/46	(Call 11/01/26)		5,000		5,672,050
State of Colorado COP Series G
5.00%, 03/15/32	(PR 03/15/21)		1,000		1,096,620
University of Colorado RB
Series A
5.00%, 06/01/43	(PR 06/01/23)		1,000		1,144,950
Series A-2
4.00%, 06/01/43	(Call 06/01/28)		1,000		1,034,850

					69,580,799
CONNECTICUT — 1.42%
Connecticut State Health & Educational Facilities Authority RB
Series A
1.30%, 07/01/48	(Put 02/03/20)^b		2,000		1,986,440
1.38%, 07/01/35	(Put 07/11/18)^b		1,600		1,600,816
Series A-4
1.20%, 07/01/49	(Put 02/01/19)^b		4,500		4,492,260


Security		Principal (000s)		Value
Series L
5.00%, 07/01/45	(Call 07/01/25)	$	1,000	$	1,095,520
Series U
1.00%, 07/01/33	(Put 02/06/19)^b		2,000		1,992,840
State of Connecticut GO
5.00%, 08/01/19			1,000		1,045,320
Series A
5.00%, 04/15/19			5,000		5,184,350
5.00%, 10/15/21			2,000		2,187,920
5.00%, 03/15/22			1,000		1,097,420
5.00%, 04/15/22			545		598,900
5.00%, 10/15/23			2,000		2,239,400
5.00%, 10/15/24	(Call 10/15/23)		1,775		1,968,901
5.00%, 02/15/25	(Call 02/15/19)		3,660		3,764,127
5.00%, 04/15/34	(Call 04/15/27)		3,000		3,301,860
Series B
5.00%, 05/15/21			2,000		2,169,620
5.00%, 04/15/23	(Call 04/15/22)		2,810		3,070,599
5.00%, 05/15/26			1,500		1,696,845
5.00%, 06/15/27	(Call 06/15/25)		2,795		3,109,941
5.25%, 06/01/20	(AMBAC)		690		738,700
Series C
5.00%, 06/01/22			1,500		1,652,070
5.00%, 06/01/23	(Call 06/01/22)		1,000		1,095,030
Series D
5.00%, 11/01/19			2,000		2,105,080
5.00%, 10/01/22	(Call 10/01/20)		2,000		2,155,900
5.00%, 11/01/31	(Call 11/01/21)		2,000		2,164,460
Series E
4.00%, 09/15/27	(Call 09/15/22)		6,230		6,444,125
5.00%, 10/15/20			1,000		1,074,570
5.00%, 08/15/24	(Call 08/15/23)		1,580		1,749,566
5.00%, 10/15/25			3,000		3,390,600
5.00%, 09/15/26	(Call 09/15/22)		1,000		1,085,100
5.00%, 10/15/28	(Call 10/15/26)		3,000		3,363,060
Series F
5.00%, 11/15/27	(Call 11/15/25)		2,000		2,232,380
5.00%, 11/15/31	(Call 11/15/25)		1,500		1,650,690
5.00%, 11/15/32	(Call 11/15/25)		2,000		2,196,680
State of Connecticut Special Tax Revenue RB
5.00%, 11/01/19			1,000		1,053,890
5.00%, 01/01/24			5,000		5,648,050


Security		Principal (000s)		Value
5.00%, 01/01/27		$	2,000	$	2,289,840
5.00%, 01/01/37	(Call 01/01/28)		2,000		2,216,020
Series A
3.00%, 09/01/18			5,000		5,039,000
5.00%, 09/01/24			2,000		2,268,620
5.00%, 10/01/24	(Call 10/01/23)		3,940		4,415,125
5.00%, 08/01/26	(Call 08/01/25)		1,000		1,129,200
5.00%, 08/01/28	(Call 08/01/25)		1,000		1,122,150
5.00%, 09/01/28	(Call 09/01/24)		1,000		1,111,660
5.00%, 01/01/29	(Call 01/01/23)		2,000		2,172,920
5.00%, 09/01/29	(Call 09/01/26)		4,000		4,509,760
5.00%, 09/01/31	(Call 09/01/24)		1,000		1,101,140
5.00%, 08/01/32	(Call 08/01/25)		1,200		1,329,828
5.00%, 09/01/32	(Call 09/01/24)		2,000		2,198,600
5.00%, 08/01/33	(Call 08/01/25)		1,000		1,104,740
5.00%, 09/01/33	(Call 09/01/26)		1,000		1,110,980
5.00%, 09/01/34	(Call 09/01/26)		9,500		10,517,545
State of Connecticut Special Tax Revenue ST Series 1
5.00%, 02/01/19			3,000		3,093,510

					129,133,668
DELAWARE — 0.13%
Delaware Transportation Authority RB
5.00%, 06/01/55	(Call 06/01/25)		2,000		2,202,560
State of Delaware GO
Series A
5.00%, 01/01/26			5,590		6,656,907
5.00%, 01/01/27			1,000		1,205,760
Series B
5.00%, 07/01/23			1,500		1,725,600

					11,790,827
DISTRICT OF COLUMBIA — 0.98%
District of Columbia GO
Series 2013A
5.00%, 06/01/30	(Call 06/01/23)		1,500		1,696,680
Series A
5.00%, 06/01/20			4,000		4,298,000
5.00%, 06/01/29	(Call 06/01/23)		3,000		3,399,720
5.00%, 06/01/32	(Call 06/01/27)		4,000		4,683,960
5.00%, 06/01/36	(Call 06/01/27)		1,000		1,156,050
5.00%, 06/01/37	(Call 06/01/27)		3,720		4,287,560
5.00%, 06/01/38	(Call 06/01/25)		2,000		2,262,880


Security		Principal (000s)		Value
Series C
5.00%, 06/01/35	(Call 06/01/24)	$	2,215	$	2,499,185
5.00%, 06/01/38	(Call 06/01/24)		2,000		2,250,500
Series D
5.00%, 06/01/41	(Call 12/01/26)		9,305		10,611,794
District of Columbia RB
5.25%, 04/01/34	(Put 04/01/23)^b		1,000		1,022,050
Series A
5.00%, 12/01/23	(Call 06/01/20)		1,250		1,339,388
5.00%, 12/01/25	(Call 06/01/20)		1,000		1,070,600
5.00%, 12/01/26	(Call 06/01/20)		500		535,070
5.00%, 12/01/27	(Call 06/01/20)		1,500		1,604,520
5.00%, 12/01/31	(Call 06/01/20)		500		533,700
5.25%, 12/01/34	(Call 12/01/19)		1,870		1,977,768
Series B
5.00%, 12/01/25	(Call 12/01/19)		400		423,404
Series B-1
5.00%, 02/01/31	(Call 04/02/18) (NPFGC)		980		982,195
Series C
4.00%, 12/01/37	(Call 12/01/22)		1,000		1,034,940
5.00%, 12/01/24	(Call 12/01/22)		1,000		1,130,830
5.00%, 12/01/30	(Call 12/01/22)		2,000		2,243,380
5.00%, 12/01/35	(Call 12/01/22)		1,000		1,113,110
Series G
5.00%, 12/01/36	(Call 12/01/21)		2,500		2,751,325
District of Columbia Water & Sewer Authority RB
5.50%, 10/01/23	(AGM)		240		267,996
Series A
5.00%, 10/01/44	(Call 10/01/23)		1,165		1,284,506
5.00%, 10/01/52	(Call 04/01/27)		3,000		3,384,720
5.50%, 10/01/39	(PR 10/01/18)		1,000		1,024,380
6.00%, 10/01/35	(PR 10/01/18)		500		513,630
Series B
5.25%, 10/01/44	(Call 10/01/25)		2,000		2,320,680
Series C
5.00%, 10/01/44	(Call 10/01/24)		12,550		14,030,523
Metropolitan Washington Airports Authority Dulles Toll Road Revenue RB
5.00%, 10/01/53	(Call 04/01/22)		2,000		2,126,400
Series A
0.00%, 10/01/37^a			4,000		1,692,880


Security		Principal (000s)		Value
5.25%, 10/01/44	(Call 10/01/19)	$	2,180	$	2,282,351
Metropolitan Washington Airports Authority RB
Series A
5.00%, 10/01/35	(Call 10/01/20)		1,000		1,074,810
Series C
5.13%, 10/01/39	(Call 10/01/18)		3,475		3,544,639
Washington Convention & Sports Authority RB Series A
4.50%, 10/01/30	(Call 04/02/18) (AMBAC)		200		200,436

					88,656,560
FLORIDA — 3.24%
Broward County FL Water & Sewer Utility Revenue RB Series A
5.25%, 10/01/34	(PR 10/01/18)		500		511,470
Central Florida Expressway Authority RB
5.00%, 07/01/38	(Call 07/01/27)		2,835		3,241,255
Series B
5.00%, 07/01/26			4,000		4,734,480
5.00%, 07/01/28	(Call 07/01/26)		3,500		4,088,280
City of Cape Coral FL Water & Sewer Revenue RB Series A
5.00%, 10/01/42	(PR 10/01/21) (AGM)		1,000		1,112,310
City of Clearwater FL Water & Sewer Revenue RB Series A
5.25%, 12/01/39	(PR 12/01/19)		1,000		1,063,690
City of Gainesville FL Utilities System Revenue RB Series A
5.00%, 10/01/37	(Call 10/01/27)		1,000		1,151,950
City of Jacksonville FL RB
5.00%, 10/01/24	(Call 10/01/22)		2,010		2,246,476
City of Miami Beach FL Series 2015
5.00%, 09/01/40	(Call 09/01/25)		1,000		1,118,430


Security		Principal (000s)		Value
County of Broward FL Airport System Revenue RB
Series O
5.38%, 10/01/29	(Call 10/01/19)	$	1,560	$	1,649,263
Series Q-1
5.00%, 10/01/37	(Call 10/01/22)		2,400		2,644,992
5.00%, 10/01/42	(Call 10/01/22)		2,000		2,196,900
County of Miami-Dade FL Aviation Revenue RB
5.00%, 10/01/41	(Call 10/01/26)		3,865		4,334,018
Series A
5.38%, 10/01/35	(Call 10/01/20)		2,000		2,171,020
5.38%, 10/01/41	(Call 10/01/20)		4,000		4,334,680
5.50%, 10/01/36	(Call 10/01/19)		1,900		2,009,649
Series B
5.00%, 10/01/37	(Call 10/01/24)		2,560		2,860,390
5.00%, 10/01/41	(Call 10/01/20)		1,000		1,067,770
5.00%, 10/01/41	(PR 10/01/18) (AGM)		2,395		2,446,492
County of Miami-Dade FL GO
5.00%, 07/01/41	(Call 07/01/20)		1,000		1,070,080
Series A
4.00%, 07/01/42	(Call 07/01/25)		2,000		2,044,580
5.00%, 07/01/38	(Call 07/01/26)		2,000		2,261,340
Series B-1
5.63%, 07/01/38	(PR 07/01/18)		1,000		1,014,300
County of Miami-Dade FL RB
5.00%, 10/01/35	(Call 10/01/26)		2,000		2,260,200
Series A
5.00%, 10/01/29	(Call 10/01/22)		1,000		1,115,350
Series B
5.00%, 10/01/35	(Call 10/01/22) (AGM)		1,450		1,599,336
County of Miami-Dade FL Transit System RB
5.00%, 07/01/37	(Call 07/01/22)		1,000		1,101,970
5.00%, 07/01/42	(Call 07/01/22)		15,030		16,433,351
County of Miami-Dade FL Water & Sewer System Revenue RB
5.00%, 10/01/24			4,000		4,642,720
5.00%, 10/01/25			2,500		2,934,775
5.00%, 10/01/39	(PR 10/01/20) (AGM)		3,475		3,773,398


Security		Principal (000s)		Value
Series A
4.00%, 10/01/44	(Call 10/01/27)	$	2,000	$	2,049,600
5.00%, 10/01/42	(Call 10/01/22)		7,835		8,677,654
Series B
4.00%, 10/01/35	(Call 10/01/27)		3,000		3,126,090
4.00%, 10/01/37	(Call 10/01/27)		3,500		3,618,265
5.00%, 10/01/30	(Call 10/01/25)		2,000		2,294,200
5.00%, 10/01/32	(Call 10/01/25)		2,000		2,279,560
Series C
5.38%, 10/01/24	(PR 10/01/18)		2,500		2,559,150
County of Miami-Dade Seaport Department RB
Series A
6.00%, 10/01/38	(Call 10/01/23)		1,050		1,217,748
County of Palm Beach FL RB
5.00%, 05/01/38	(PR 05/01/18)		3,000		3,018,510
Florida Municipal Power Agency RB
5.00%, 10/01/31	(PR 10/01/18)		380		388,170
5.00%, 10/01/31	(Call 10/01/18)		70		71,312
5.25%, 10/01/20	(PR 10/01/18)		1,595		1,631,589
5.25%, 10/01/20	(Call 10/01/18)		280		286,306
5.25%, 10/01/21	(PR 10/01/18)		220		225,047
5.25%, 10/01/21	(Call 10/01/18)		35		35,788
Series A
5.00%, 10/01/20			1,500		1,620,480
5.00%, 10/01/29	(Call 10/01/26)		5,000		5,808,950
5.00%, 10/01/31	(Call 10/01/26)		500		574,740
5.25%, 10/01/19			1,000		1,057,210
Florida’s Turnpike Enterprise RB
Series B
5.00%, 07/01/18			8,800		8,907,448
5.00%, 07/01/40	(Call 07/01/20)		2,140		2,301,763
Hillsborough County Aviation Authority RB
Series A
5.00%, 10/01/44	(Call 10/01/24)		1,000		1,096,690
Series B
5.00%, 10/01/40	(Call 10/01/24)		1,500		1,654,350
5.00%, 10/01/44	(Call 10/01/24)		1,000		1,101,040
Hillsborough County School Board COP
Series A
5.00%, 07/01/29	(Call 07/01/22)		2,500		2,779,900


Security		Principal (000s)		Value
JEA Electric System Revenue RB
Series 3-B
5.00%, 10/01/39	(PR 10/01/21)	$	1,905	$	2,111,940
5.00%, 10/01/39	(Call 10/01/21)		95		103,800
Series Three 2010-D
5.00%, 10/01/38	(PR 04/01/20)		2,500		2,675,350
JEA Water & Sewer System Revenue RB
Series A
5.00%, 10/01/31	(PR 04/01/21)		1,220		1,339,548
5.00%, 10/01/31	(Call 04/01/21)		755		822,565
Miami Beach Redevelopment Agency TA
Series 2015A
5.00%, 02/01/40	(Call 02/01/24) (AGM)		1,000		1,124,330
Miami-Dade County Educational Facilities Authority RB
Series A
5.00%, 04/01/40	(Call 04/01/25)		1,000		1,104,540
5.00%, 04/01/45	(Call 04/01/25)		4,000		4,404,920
Miami-Dade County Expressway Authority RB
Series A
5.00%, 07/01/35	(Call 07/01/20) (AGM)		975		1,042,178
5.00%, 07/01/39	(Call 07/01/24)		2,830		3,162,666
5.00%, 07/01/40	(Call 07/01/20)		2,105		2,235,657
5.00%, 07/01/44	(Call 07/01/24)		1,000		1,116,940
Series B
5.00%, 07/01/26	(Call 07/01/24)		1,015		1,168,458
Mid-Bay Bridge Authority RB
Series A
5.00%, 10/01/35	(Call 10/01/25)		1,000		1,106,100
Orange County School Board COP
Series C
5.00%, 08/01/34	(Call 08/01/26)		2,500		2,853,325
Orlando Utilities Commission RB
Series A
5.00%, 10/01/18			4,550		4,646,733
5.00%, 10/01/22			1,000		1,131,610
5.00%, 10/01/25			1,500		1,767,675
Series B
5.00%, 10/01/33	(PR 04/01/19)		215		223,080
5.00%, 10/01/33	(Call 04/01/19)		285		294,867


Security		Principal (000s)		Value
Orlando-Orange County Expressway Authority RB
5.00%, 07/01/22		$	500	$	560,370
5.00%, 07/01/35	(Call 07/01/23)		4,055		4,495,860
Series A
5.00%, 07/01/35	(PR 07/01/20)		2,000		2,153,960
5.00%, 07/01/40	(PR 07/01/20)		2,500		2,692,451
Palm Beach County School District COP
Series D
5.00%, 08/01/31	(Call 08/01/25)		2,000		2,274,040
Palm Beach County Solid Waste Authority RB
5.00%, 10/01/24	(Call 10/01/21)		1,000		1,104,610
5.00%, 10/01/31	(PR 10/01/21)		45		49,888
5.00%, 10/01/31	(Call 10/01/21)		6,055		6,675,153
5.50%, 10/01/22	(PR 10/01/19)		220		233,621
Reedy Creek Improvement District GOL
Series A
5.00%, 06/01/38	(Call 06/01/23)		4,200		4,686,906
School Board of Miami-Dade County (The) COP
Series A
4.00%, 08/01/29	(Call 08/01/22)		1,000		1,035,580
5.00%, 05/01/30	(Call 05/01/25)		1,000		1,124,600
5.25%, 02/01/27	(PR 02/01/19) (AGM)		2,690		2,784,177
Series B
5.00%, 05/01/27	(Call 05/01/25)		2,500		2,854,675
5.25%, 05/01/31	(PR 05/01/18) (AGM)		2,260		2,274,848
Series D
5.00%, 02/01/27	(Call 02/01/26)		2,000		2,299,620
School Board of Miami-Dade County (The) GO
5.00%, 03/15/43	(Call 03/15/23)		2,000		2,205,320
School District of Broward County/FL COP
Series A
5.00%, 07/01/20			3,000		3,226,650
5.00%, 07/01/21			1,000		1,100,930
Series C
5.00%, 07/01/26			2,000		2,352,460


Security		Principal (000s)		Value
South Florida Water Management District COP
5.00%, 10/01/33	(Call 04/01/26)	$	1,000	$	1,139,470
St. Johns River Power Park RB
Series 23
5.00%, 10/01/18	(ETM)		500		510,455
Series SIX
4.00%, 10/01/32	(Call 04/02/18)		10,000		10,017,600
State of Florida GO
Series A
5.00%, 06/01/18			4,500		4,541,400
5.00%, 06/01/21	(Call 06/01/20)		1,320		1,419,858
5.00%, 06/01/22			600		676,320
5.00%, 07/01/39	(Call 07/01/19)		1,000		1,052,850
Series C
5.00%, 06/01/22	(Call 06/01/19)		1,500		1,566,120
Series D
5.00%, 06/01/18			5,880		5,934,096
5.00%, 06/01/21	(Call 06/01/19)		1,000		1,054,030
5.00%, 06/01/22			8,000		9,017,600
5.00%, 06/01/25	(Call 06/01/21)		2,275		2,496,016
5.00%, 06/01/34	(Call 06/01/18)		2,000		2,038,100
Series F
4.00%, 06/01/19			100		103,088
5.00%, 06/01/31	(Call 06/01/21)		1,000		1,094,170
Series H
5.00%, 06/01/40	(Call 06/01/20)		1,500		1,601,775
State of Florida Lottery Revenue RB
Series A
5.00%, 07/01/19			3,940		4,121,989
5.00%, 07/01/20			3,100		3,342,327
Series E
5.00%, 07/01/20			1,000		1,078,170
Tampa Bay Water RB
5.00%, 10/01/34	(PR 10/01/18)		1,000		1,021,500
5.00%, 10/01/38	(PR 10/01/18)		2,000		2,043,000
Series B
5.00%, 10/01/19	(ETM)		1,085		1,142,441
Tampa-Hillsborough County Expressway Authority RB
5.00%, 07/01/47	(Call 07/01/27)		2,000		2,259,040
Series A
5.00%, 07/01/37	(Call 07/01/22)		7,000		7,683,620


Security		Principal (000s)		Value
Series B
5.00%, 07/01/42	(PR 07/01/22)	$	3,050	$	3,430,365

					294,623,876
GEORGIA — 2.31%
Atlanta Development Authority RB
Series A-1
5.25%, 07/01/40	(Call 07/01/25)		1,000		1,141,380
City of Atlanta Department of Aviation RB
Series 2014A
5.00%, 01/01/29	(Call 01/01/24)		1,000		1,137,150
Series A
5.00%, 01/01/19			2,850		2,933,904
5.00%, 01/01/21			1,000		1,088,480
Series B
5.00%, 01/01/21	(Call 01/01/20)		1,000		1,060,140
5.00%, 01/01/23	(Call 01/01/20)		3,850		4,077,959
5.00%, 01/01/37	(Call 01/01/22)		1,345		1,476,353
5.00%, 01/01/42	(Call 01/01/22)		1,000		1,094,960
Series C
5.25%, 01/01/30	(Call 01/01/21)		1,835		2,007,839
City of Atlanta GA Water & Wastewater Revenue RB
5.00%, 11/01/33	(Call 05/01/25)		10,800		12,317,184
5.00%, 11/01/40	(Call 05/01/25)		5,650		6,365,572
Series A
5.50%, 11/01/18	(NPFGC-FGIC)		100		102,725
5.50%, 11/01/22	(NPFGC)		2,000		2,240,040
6.00%, 11/01/26	(PR 11/01/19)		1,000		1,072,280
6.00%, 11/01/28	(PR 11/01/19)		2,320		2,487,690
6.25%, 11/01/34	(PR 11/01/19)		3,780		4,068,679
6.25%, 11/01/39	(PR 11/01/19)		10,175		10,952,065
County of DeKalb GA Water & Sewerage Revenue RB
Series B
5.25%, 10/01/32	(Call 10/01/26) (AGM)		2,190		2,598,523
Georgia State Road & Tollway Authority RB
Series A
5.00%, 06/01/18	(AGM)		1,000		1,009,150
5.00%, 06/01/19			1,360		1,416,671
5.00%, 03/01/21	(GTD)		2,000		2,192,060


Security		Principal (000s)		Value
Series B
5.00%, 06/01/19		$	3,685	$	3,838,554
5.00%, 06/01/21			1,900		2,082,058
Gwinnett County School District GO
5.00%, 08/01/20	(SAW)		1,500		1,621,005
5.00%, 08/01/21	(SAW)		5,580		6,182,249
5.00%, 02/01/22			4,990		5,582,762
5.00%, 08/01/22	(SAW)		2,000		2,262,180
5.00%, 02/01/34	(Call 08/01/25)		2,495		2,881,800
Metropolitan Atlanta Rapid Transit Authority RB
Series A
5.00%, 07/01/39	(PR 07/01/19)		975		1,020,035
Series B
5.00%, 07/01/31	(Call 07/01/26)		7,500		8,785,050
Municipal Electric Authority of Georgia RB
5.00%, 07/01/60	(Call 07/01/25)		1,000		1,060,980
Series A
5.00%, 01/01/20			1,000		1,055,670
5.00%, 01/01/21			1,000		1,079,550
5.00%, 11/01/24	(Call 11/01/20)		1,000		1,075,530
5.00%, 01/01/28	(Call 07/01/26)		2,000		2,286,500
Series B
5.00%, 01/01/20			3,000		3,167,010
Series D
5.75%, 01/01/19	(PR 07/01/18)		2,455		2,489,861
5.75%, 01/01/20	(PR 07/01/18)		370		375,254
5.75%, 01/01/20	(Call 07/01/18)		130		131,759
Private Colleges & Universities Authority RB
Series A
5.00%, 10/01/43	(Call 10/01/23)		2,000		2,246,700
State of Georgia GO
Series A
5.00%, 02/01/27	(Call 02/01/26)		4,595		5,440,434
5.00%, 07/01/28	(Call 07/01/22)		1,000		1,116,780
5.00%, 02/01/30	(Call 02/01/26)		3,530		4,140,655
Series A-1
5.00%, 02/01/19			4,030		4,161,983
5.00%, 02/01/24			1,500		1,740,705
5.00%, 02/01/27			1,000		1,206,620
Series A-2
5.00%, 02/01/25	(Call 02/01/24)		2,000		2,319,740


Security		Principal (000s)		Value
Series B
5.00%, 01/01/20	(PR 01/01/19)	$	2,500	$	2,574,850
5.00%, 01/01/24	(PR 01/01/19)		1,000		1,029,940
Series C
4.00%, 10/01/22			8,000		8,722,560
5.00%, 07/01/19			11,000		11,514,030
5.00%, 07/01/21			3,000		3,316,080
5.00%, 10/01/21			2,960		3,291,342
5.00%, 07/01/28	(Call 07/01/27)		1,000		1,205,030
5.00%, 07/01/29	(PR 07/01/21)		1,000		1,105,360
Series D
5.00%, 02/01/23			2,500		2,849,300
Series E
5.00%, 12/01/23			5,640		6,530,894
5.00%, 12/01/24			4,555		5,359,868
5.00%, 12/01/25			9,210		10,972,333
5.00%, 12/01/26			4,900		5,903,912
Series E-2
4.00%, 09/01/18			3,025		3,066,261
Series F
5.00%, 01/01/28	(Call 01/01/27)		1,000		1,198,710
Series I
5.00%, 07/01/20			6,625		7,144,466
5.00%, 07/01/21			1,300		1,436,968
Series J-1
4.00%, 07/01/21			265		284,382

					209,698,514
HAWAII — 1.16%
City & County Honolulu HI Wastewater System Revenue RB
Series 2015A
5.00%, 07/01/45	(Call 07/01/25)		3,675		4,121,880
Series A
5.00%, 07/01/42	(PR 07/01/22)		1,000		1,129,150
5.00%, 07/01/47	(Call 01/01/28)		2,000		2,288,800
5.25%, 07/01/36	(PR 07/01/21)		8,385		9,336,027
City & County of Honolulu HI GO
Series B
5.25%, 07/01/19	(AGM)		2,000		2,098,940
Series C
5.00%, 10/01/30			5,000		6,070,650


Security		Principal (000s)		Value
State of Hawaii Airports System Revenue RB
Series A
5.00%, 07/01/39	(Call 07/01/20)	$	3,700	$	3,943,571
State of Hawaii GO
Series DQ
5.00%, 06/01/19			1,000		1,043,570
5.00%, 06/01/22	(PR 06/01/19)		500		521,463
5.00%, 06/01/29	(PR 06/01/19)		1,450		1,512,330
Series DY
5.00%, 02/01/19			2,815		2,906,403
Series DZ
5.00%, 12/01/18			5,030		5,166,313
5.00%, 12/01/20	(ETM)		305		331,553
5.00%, 12/01/23	(PR 12/01/21)		1,000		1,109,284
5.00%, 12/01/25	(PR 12/01/21)		885		984,775
5.00%, 12/01/28	(PR 12/01/21)		880		979,211
5.00%, 12/01/29	(PR 12/01/21)		1,000		1,114,199
5.00%, 12/01/30	(PR 12/01/21)		750		835,649
5.00%, 12/01/31	(PR 12/01/21)		1,500		1,671,318
Series DZ-2016
5.00%, 12/01/28	(PR 12/01/21)		1,620		1,806,306
Series DZ-2017
5.00%, 12/01/20	(ETM)		15		16,306
5.00%, 12/01/20			430		468,163
5.00%, 12/01/25	(PR 12/01/21)		1,115		1,241,684
Series EA
5.00%, 12/01/20			500		544,375
5.00%, 12/01/21			1,500		1,670,250
Series EE
5.00%, 11/01/27	(PR 11/01/22)		4,355		4,940,138
5.00%, 11/01/29	(PR 11/01/22)		15		17,015
Series EE-2017
5.00%, 11/01/27	(PR 11/01/22)		1,645		1,869,117
5.00%, 11/01/29	(PR 11/01/22)		890		1,009,581
5.00%, 11/01/29	(Call 11/01/22)		395		442,270
Series EF
5.00%, 11/01/22			1,000		1,132,450
Series EH
5.00%, 08/01/18			1,315		1,335,001
5.00%, 08/01/23	(ETM)		980		1,125,246
5.00%, 08/01/33	(PR 08/01/23)		380		435,312
5.00%, 08/01/33	(Call 08/01/23)		120		135,554


Security		Principal (000s)		Value
Series EH-2017
5.00%, 08/01/23	(ETM)	$	245	$	281,311
5.00%, 08/01/23			775		888,150
Series EO
5.00%, 08/01/23	(ETM)		615		707,847
5.00%, 08/01/23			385		441,210
5.00%, 08/01/24			1,000		1,163,370
5.00%, 08/01/25	(Call 08/01/24)		1,000		1,160,130
5.00%, 08/01/26	(PR 08/01/24)		220		257,519
5.00%, 08/01/26	(Call 08/01/24)		2,280		2,640,696
5.00%, 08/01/29	(Call 08/01/24)		1,000		1,149,200
Series EP
5.00%, 08/01/22			1,000		1,127,020
Series EY
5.00%, 10/01/23			1,000		1,149,670
Series EZ
5.00%, 10/01/27	(Call 10/01/25)		2,000		2,340,280
Series FG
4.00%, 10/01/34	(Call 10/01/26)		5,000		5,267,250
4.00%, 10/01/36	(Call 10/01/26)		1,500		1,572,150
Series FH
5.00%, 10/01/25			2,000		2,359,940
5.00%, 10/01/26			1,350		1,608,012
5.00%, 10/01/27	(Call 10/01/26)		3,000		3,547,950
Series FK
4.00%, 05/01/36	(Call 05/01/27)		2,000		2,101,780
5.00%, 05/01/34	(Call 05/01/27)		6,900		7,998,273
Series FT
5.00%, 01/01/33	(Call 01/01/28)		2,000		2,340,140

					105,455,752
IDAHO — 0.04%
Idaho Housing & Finance Association RB
5.00%, 07/15/26			1,000		1,170,420
5.25%, 07/15/26	(PR 07/15/18) (AGC)		2,140		2,170,859

					3,341,279
ILLINOIS — 3.68%
Chicago Board of Education ST
6.00%, 04/01/46	(Call 04/01/27)		1,430		1,671,441
Chicago Midway International Airport RB
Series 2014B
5.00%, 01/01/35	(Call 01/01/24)		2,000		2,213,560


Security		Principal (000s)		Value
Series B
5.00%, 01/01/46	(Call 01/01/26)	$	2,255	$	2,507,673
Chicago O’Hare International Airport RB
5.00%, 01/01/32	(Call 01/01/25)		5,000		5,619,850
5.75%, 01/01/39	(PR 01/01/21)		420		466,309
5.75%, 01/01/43	(Call 01/01/23)		1,000		1,134,310
Series 2015-B
5.00%, 01/01/22			2,000		2,214,680
5.00%, 01/01/27	(Call 01/01/25)		2,500		2,863,100
5.00%, 01/01/30	(Call 01/01/25)		3,510		3,972,934
Series A
5.75%, 01/01/39	(Call 01/01/21)		80		87,819
Series B
5.00%, 01/01/20			700		741,965
5.00%, 01/01/36	(Call 01/01/27)		9,110		10,339,850
5.00%, 01/01/38	(Call 01/01/27)		3,025		3,430,894
5.00%, 01/01/41	(Call 01/01/26)		1,500		1,669,170
6.00%, 01/01/41	(PR 01/01/21)		15,000		16,779,150
Series C
5.00%, 01/01/31	(Call 01/01/26)		460		523,761
5.25%, 01/01/35	(Call 01/01/20) (AGM)		3,500		3,702,055
6.50%, 01/01/41	(PR 01/01/21)		1,560		1,764,173
Series D
5.00%, 01/01/44	(Call 01/01/23)		1,685		1,828,326
5.00%, 01/01/46	(Call 01/01/25)		1,000		1,105,090
5.00%, 01/01/52	(Call 01/01/27)		10,000		11,090,400
5.25%, 01/01/42	(Call 01/01/27)		1,000		1,148,280
Series E
5.00%, 01/01/27			2,000		2,354,040
Series F
5.00%, 01/01/35	(Call 01/01/20)		1,000		1,049,380
5.00%, 01/01/40	(Call 01/01/20)		610		639,451
Chicago Transit Authority RB
5.00%, 12/01/44	(Call 12/01/24) (AGM)		1,000		1,104,580
5.25%, 12/01/49	(Call 12/01/24)		2,500		2,757,600
City of Chicago IL GO
Series A
5.00%, 01/01/26	(Call 01/01/20) (AGM)		1,000		1,046,630
5.00%, 01/01/27	(Call 01/01/20) (AGM)		1,020		1,067,185


Security		Principal (000s)		Value
5.00%, 01/01/29	(Call 04/02/18) (NPFGC-FGIC)	$	860	$	866,450
City of Chicago IL Wastewater Transmission Revenue RB
5.00%, 01/01/39	(Call 01/01/24)		2,000		2,140,560
5.00%, 01/01/42	(Call 01/01/22)		1,000		1,057,330
City of Chicago IL Waterworks Revenue RB
5.00%, 11/01/42	(Call 11/01/22)		2,500		2,667,725
5.25%, 11/01/38	(PR 11/01/18)		1,000		1,025,540
Cook County Community College District No. 508 GO
5.25%, 12/01/43	(Call 12/01/23)		1,075		1,112,604
County of Cook IL GO
Series A
5.00%, 11/15/19			460		483,529
5.25%, 11/15/22	(Call 11/15/20)		1,000		1,081,490
5.25%, 11/15/28	(Call 11/15/21)		500		540,765
Series C
5.00%, 11/15/29	(Call 11/15/22)		1,250		1,350,287
County of Will IL GO
5.00%, 11/15/41	(Call 11/15/25)		1,200		1,324,812
Illinois Finance Authority RB
Series A
5.00%, 10/01/38	(Call 10/01/24)		2,000		2,273,020
5.00%, 10/01/40	(Call 10/01/25)		2,000		2,220,660
5.25%, 10/01/52	(Call 04/01/23)		1,000		1,109,250
Illinois State Toll Highway Authority RB
Series A
5.00%, 12/01/19			4,280		4,525,843
5.00%, 12/01/22			1,000		1,126,970
5.00%, 12/01/32	(Call 01/01/26)		3,000		3,424,830
5.00%, 01/01/38	(Call 01/01/23)		1,000		1,104,900
5.00%, 01/01/40	(Call 07/01/25)		2,000		2,234,880
5.00%, 01/01/42	(Call 01/01/28)		4,500		5,065,110
Series A-1
5.00%, 01/01/28	(Call 01/01/20)		1,000		1,061,820
5.00%, 01/01/31	(Call 01/01/20)		700		740,530
Series B
5.00%, 12/01/18			1,415		1,451,733
5.00%, 01/01/36	(Call 01/01/26)		1,000		1,128,940
5.00%, 01/01/37	(Call 01/01/24)		2,500		2,769,775
5.00%, 01/01/37	(Call 01/01/26)		1,500		1,690,080


Security		Principal (000s)		Value
5.00%, 01/01/40	(Call 01/01/26)	$	9,125	$	10,207,407
5.00%, 01/01/41	(Call 07/01/26)		4,000		4,463,800
Series C
5.00%, 01/01/36	(Call 01/01/25)		2,000		2,232,220
Series D
5.00%, 01/01/22			3,915		4,336,763
Metropolitan Pier & Exposition Authority RB
0.00%, 06/15/18^a			1,000		995,821
0.00%, 06/15/28	(NPFGC)^a		3,435		2,217,533
0.00%, 12/15/52	(AGM)^a		7,000		1,400,280
5.50%, 06/15/29	(ETM) (NPFGC-FGIC)		95		113,570
5.50%, 06/15/29	(NPFGC-FGIC)		1,805		2,040,661
Series A
0.00%, 12/15/22	(NPFGC)^a		340		287,841
0.00%, 06/15/31	(NPFGC)^a		1,035		566,352
0.00%, 12/15/34	(NPFGC)^a		3,000		1,357,530
0.00%, 06/15/36	(NPFGC)^a		2,800		1,165,696
0.00%, 06/15/37	(NPFGC)^a		415		163,763
0.00%, 12/15/39a			3,800		1,317,992
Series B
0.00%, 06/15/26	(AGM)^a		2,000		1,472,440
0.00%, 06/15/27	(AGM)^a		1,000		697,970
0.00%, 06/15/43	(AGM)^a		2,000		645,940
0.00%, 06/15/45	(AGM)^a		770		226,211
0.00%, 06/15/46	(AGM)^a		1,600		448,160
0.00%, 06/15/47	(AGM)^a		330		88,117
Metropolitan Water Reclamation District of Greater Chicago GOL
Series B
5.00%, 12/01/30	(Call 12/01/21)		710		784,614
5.00%, 12/01/32	(Call 12/01/21)		1,000		1,102,430
Series C
5.25%, 12/01/32			1,340		1,592,898
Regional Transportation Authority RB
5.75%, 06/01/21	(AGM)		500		557,645
5.75%, 06/01/23	(AGM)		1,000		1,146,070
State of Illinois GO
5.00%, 02/01/19			1,000		1,021,790
5.00%, 07/01/19			1,000		1,030,750
5.00%, 08/01/19			2,075		2,142,479
5.00%, 01/01/20	(AGM)		975		1,025,486


Security		Principal (000s)		Value
5.00%, 02/01/20		$	1,000	$	1,034,450
5.00%, 05/01/20			3,000		3,101,100
5.00%, 02/01/21			2,500		2,603,650
5.00%, 08/01/21			2,000		2,093,720
5.00%, 01/01/22	(Call 01/01/20)		1,500		1,539,750
5.00%, 02/01/22			2,000		2,095,360
5.00%, 08/01/22			580		609,702
5.00%, 02/01/23			4,250		4,455,147
5.00%, 02/01/24			2,500		2,622,375
5.00%, 08/01/24	(Call 08/01/22)		3,550		3,693,668
5.00%, 02/01/26	(Call 02/01/24)		2,000		2,078,700
5.00%, 02/01/26			3,000		3,137,460
5.00%, 02/01/28	(Call 02/01/27)		2,000		2,075,660
5.00%, 05/01/29	(Call 05/01/24)		1,900		1,945,391
5.00%, 05/01/31	(Call 05/01/24)		1,500		1,526,160
5.00%, 05/01/36	(Call 05/01/24)		1,000		1,014,760
5.00%, 02/01/39	(Call 02/01/24)		6,285		6,351,998
5.25%, 07/01/29	(Call 07/01/23)		2,000		2,073,140
5.50%, 07/01/27	(Call 07/01/23)		660		696,043
5.50%, 07/01/38	(Call 07/01/23)		1,000		1,036,310
Series A
5.00%, 11/01/18			9,000		9,154,080
5.00%, 12/01/19			10,000		10,389,500
5.00%, 12/01/31	(Call 12/01/27)		2,000		2,051,060
5.00%, 12/01/39	(Call 12/01/27)		2,000		2,035,380
Series D
5.00%, 11/01/20			7,300		7,596,599
5.00%, 11/01/21			9,700		10,178,792
5.00%, 11/01/22			8,300		8,736,082
5.00%, 11/01/23			8,300		8,712,178
5.00%, 11/01/24			6,300		6,623,631
5.00%, 11/01/25			8,800		9,239,120
5.00%, 11/01/26			8,300		8,691,594
5.00%, 11/01/27			8,280		8,647,301
5.00%, 11/01/28	(Call 11/01/27)		12,000		12,465,240
State of Illinois RB
5.00%, 06/15/19			545		567,132
5.00%, 06/15/26	(Call 06/15/23)		1,500		1,682,190
Series B
5.25%, 06/15/34	(PR 06/15/19)		2,000		2,095,140

					333,972,881
INDIANA — 0.23%
Indiana Finance Authority RB
5.00%, 02/01/32	(Call 02/01/23)		1,000		1,123,270


Security		Principal (000s)		Value
5.00%, 10/01/41	(Call 10/01/26)	$	2,000	$	2,247,460
Series A
4.00%, 10/01/42	(Call 10/01/22)		2,500		2,550,300
5.00%, 02/01/20			1,000		1,065,190
5.00%, 10/01/44	(Call 10/01/24)		2,000		2,265,280
5.25%, 02/01/35	(Call 08/01/25)		1,000		1,162,250
Series B
5.00%, 10/01/41	(Call 10/01/21)		1,000		1,089,760
Series C
5.00%, 12/01/23			1,250		1,442,325
5.00%, 02/01/29	(Call 02/01/28)		1,800		2,177,118
Indianapolis Local Public Improvement Bond Bank RB
Series A
5.75%, 01/01/38	(PR 01/01/19)		1,070		1,108,638
5.75%, 01/01/38	(Call 01/01/19)		4,400		4,549,952

					20,781,543
IOWA — 0.06%
Iowa Finance Authority RB
5.00%, 08/01/20			1,000		1,079,680
5.00%, 08/01/31	(Call 08/01/27)		2,000		2,372,780
State of Iowa RB
Series A
5.00%, 06/01/27	(Call 06/01/26)		1,000		1,173,840
5.00%, 06/01/27	(PR 06/01/19)		500		521,530

					5,147,830
KANSAS — 0.23%
Kansas Development Finance Authority RB
5.00%, 03/01/21	(Call 03/01/20)		1,060		1,130,564
State of Kansas Department of Transportation RB
5.00%, 09/01/25			2,500		2,951,075
5.00%, 09/01/29	(Call 09/01/25)		1,000		1,158,840
5.00%, 09/01/30	(Call 09/01/25)		1,500		1,732,740
5.00%, 09/01/33	(Call 09/01/25)		3,000		3,443,550
Series A
5.00%, 09/01/21			1,200		1,329,156
5.00%, 09/01/22			3,000		3,389,370
5.00%, 09/01/27	(Call 09/01/24)		2,000		2,317,620
5.00%, 09/01/29	(Call 09/01/24)		1,000		1,154,250
5.50%, 03/01/19	(AGM)		2,255		2,346,937

					20,954,102


Security		Principal (000s)		Value
KENTUCKY — 0.11%
Kentucky Asset Liability Commission RB
First Series
5.25%, 09/01/18	(NPFGC)	$	320	$	325,939
First Series A
5.00%, 09/01/26	(Call 09/01/24)		1,000		1,143,910
Kentucky Public Transportation Infrastructure Authority RB
Series 2013A
5.75%, 07/01/49	(Call 07/01/23)		1,000		1,105,940
Kentucky State Property & Building Commission RB
5.00%, 11/01/20	(PR 11/01/18)		1,600		1,638,768
5.38%, 11/01/23	(PR 11/01/18)		920		944,292
Series A
5.00%, 08/01/19			1,000		1,046,900
Series B
5.00%, 11/01/23			1,500		1,691,775
Louisville & Jefferson County Metropolitan Sewer District RB
Series A
5.00%, 05/15/30	(Call 11/15/21)		500		554,020
5.00%, 05/15/34	(Call 11/15/21)		1,000		1,101,260

					9,552,804
LOUISIANA — 0.44%
City of New Orleans LA Sewerage Service Revenue RB
5.00%, 06/01/44	(Call 06/01/24)		1,000		1,098,770
City of New Orleans LA Water System Revenue RB
5.00%, 12/01/44	(Call 12/01/24)		1,000		1,102,670
East Baton Rouge Sewerage Commission RB
Series A
5.25%, 02/01/39	(PR 02/01/19)		1,000		1,035,010
Series B
5.00%, 02/01/39	(Call 02/01/25)		2,000		2,237,440
Louisiana Local Government Environmental Facilities & Community Development Authority RB
Series 2014A
5.00%, 02/01/44	(Call 02/01/24)		2,000		2,208,380


Security		Principal (000s)		Value
Series A
4.00%, 02/01/48	(Call 02/01/23)	$	1,000	$	1,012,890
Louisiana State Citizens Property Insurance Corp. RB
5.00%, 06/01/21	(AGM)		1,000		1,098,800
New Orleans Aviation Board RB Series A
5.00%, 01/01/48	(Call 01/01/27)		1,500		1,671,990
State of Louisiana Gasoline & Fuels Tax Revenue RB
Series A
4.50%, 05/01/39	(Call 05/01/25)		1,000		1,070,030
5.00%, 05/01/41	(Call 05/01/25)		1,000		1,124,600
Series A-1
4.00%, 05/01/35	(Call 05/01/22)		1,000		1,040,830
5.00%, 05/01/24	(PR 05/01/22)		250		280,560
5.00%, 05/01/24	(Call 05/01/22)		750		837,533
5.00%, 05/01/25	(PR 05/01/22)		240		269,338
5.00%, 05/01/25	(Call 05/01/22)		760		848,054
Series B
5.00%, 05/01/34	(PR 05/01/20)		1,915		2,054,584
5.00%, 05/01/36	(Call 05/01/24)		1,000		1,130,970
5.00%, 05/01/45	(PR 05/01/20)		3,250		3,486,892
Series C
5.00%, 05/01/40	(Call 11/01/27)		2,000		2,270,420
State of Louisiana GO
Series A
4.00%, 02/01/29	(Call 02/01/24)		1,000		1,058,250
4.00%, 08/01/31	(Call 08/01/22)		1,000		1,053,310
5.00%, 11/15/21	(Call 05/15/20)		2,000		2,143,860
5.00%, 02/01/28	(Call 02/01/24)		1,000		1,127,830
Series B
5.00%, 08/01/27	(Call 08/01/26)		3,000		3,496,530
Series C
5.00%, 07/15/21			1,000		1,101,380
5.00%, 08/01/23			1,000		1,141,610
5.00%, 07/15/24	(Call 07/15/22)		1,000		1,118,230
5.00%, 08/01/25	(Call 08/01/24)		2,000		2,297,120

					40,417,881
MARYLAND — 2.35%
City of Baltimore MD RB
Series A
5.00%, 07/01/43	(Call 01/01/24)		1,000		1,108,470
5.00%, 07/01/46	(Call 01/01/27)		3,000		3,375,540


Security		Principal (000s)		Value
County of Montgomery MD GO
Series A
5.00%, 11/01/18		$	2,000	$	2,048,720
5.00%, 07/01/21			1,000		1,105,710
5.00%, 11/01/24			5,300		6,218,596
Series B
5.00%, 11/01/21			2,250		2,507,512
5.00%, 11/01/23			2,500		2,888,075
5.00%, 11/01/25	(Call 11/01/24)		3,900		4,552,275
5.00%, 11/01/26	(Call 11/01/24)		1,000		1,163,890
Series C
5.00%, 10/01/25			4,000		4,747,280
Maryland State Transportation Authority RB
5.00%, 07/01/35	(Call 07/01/18) (AGM)		10,000		10,115,000
5.00%, 07/01/38	(Call 07/01/18) (AGM)		2,000		2,023,000
State of Maryland Department of Transportation RB
4.00%, 09/01/21			6,000		6,443,340
5.00%, 02/15/23			8,175		9,305,194
5.00%, 09/01/24			1,250		1,460,000
5.00%, 09/01/25			1,000		1,181,940
5.00%, 09/01/27			2,030		2,450,961
5.00%, 09/01/30	(Call 09/01/27)		1,000		1,187,860
State of Maryland GO
5.00%, 08/01/18			1,300		1,319,929
5.00%, 03/01/19			1,500		1,553,445
5.00%, 03/15/19			2,650		2,748,050
5.00%, 03/01/20			1,500		1,600,470
First Series
5.00%, 06/01/24			2,000		2,327,680
First Series A
5.00%, 03/01/18			1,000		1,000,000
First Series B
5.00%, 03/01/18			3,885		3,885,000
5.00%, 03/01/19			2,525		2,614,966
5.00%, 03/15/20			1,660		1,773,312
5.00%, 03/01/21	(Call 03/01/20)		1,250		1,332,450
First Series C
4.00%, 08/15/21			9,270		9,962,562
4.00%, 08/15/22			1,000		1,087,910


Security		Principal (000s)		Value
Second Series B
4.00%, 08/01/27	(Call 08/01/22)	$	3,390	$	3,661,607
5.00%, 03/15/22	(PR 03/15/19)		2,000		2,073,800
5.00%, 08/01/24	(PR 08/01/22)		1,000		1,131,090
Second Series E
4.50%, 08/01/20			2,850		3,044,199
Series A
4.00%, 08/01/27	(Call 08/01/23)		2,000		2,175,300
4.00%, 08/01/29	(Call 08/01/23)		2,000		2,166,800
5.00%, 03/01/21			3,000		3,285,330
5.00%, 03/15/22			11,525		12,911,457
5.00%, 03/01/24	(PR 03/01/21)		3,000		3,286,260
5.00%, 03/01/24	(PR 03/01/23)		1,000		1,138,930
5.00%, 03/01/24	(PR 03/01/22)		1,960		2,196,023
5.00%, 08/01/24			2,700		3,149,874
5.00%, 03/15/25			1,000		1,174,470
5.00%, 03/15/27			1,200		1,441,296
5.00%, 08/01/27			1,000		1,206,660
5.00%, 08/01/28	(Call 08/01/27)		5,000		6,010,100
5.00%, 03/15/29	(Call 03/15/27)		5,000		5,951,900
Series B
5.00%, 08/01/18			2,000		2,030,660
5.00%, 03/15/19			1,500		1,555,500
5.00%, 08/01/20			1,500		1,619,895
5.00%, 08/01/21	(PR 08/01/19)		1,000		1,048,920
5.00%, 08/01/23	(PR 08/01/19)		5,720		5,999,822
5.00%, 08/01/25			6,100		7,202,941
5.00%, 08/01/26			8,245		9,848,487
Series C
5.00%, 03/01/20	(PR 03/01/19)		1,120		1,159,794
5.00%, 08/01/20			2,500		2,699,825
5.00%, 08/01/21			3,300		3,652,704
5.00%, 08/01/22			2,950		3,331,376
5.00%, 08/01/24			12,525		14,611,916
5.25%, 08/01/20			2,500		2,714,575
Third Series C
5.00%, 11/01/19			4,500		4,758,525

					213,329,173
MASSACHUSETTS — 5.17%
Commonwealth of Massachusetts Federal Highway Grant Anticipation Note Revenue RB
Series A
5.00%, 06/15/25	(Call 06/15/24)		1,400		1,625,344


Security		Principal (000s)		Value
5.00%, 06/15/27	(Call 06/15/24)	$	2,000	$	2,309,240
Commonwealth of Massachusetts GO
Series A
5.00%, 04/01/26	(PR 04/01/21)		2,155		2,366,168
5.00%, 09/01/28	(Call 09/01/18)		4,410		4,489,733
Series C
5.50%, 12/01/22	(AGM)		1,050		1,216,131
5.50%, 12/01/22	(AMBAC)		6,200		7,180,964
5.50%, 12/01/23	(AMBAC)		910		1,073,409
Commonwealth of Massachusetts GOL
4.00%, 05/01/35	(Call 05/01/23)		2,000		2,085,220
4.00%, 05/01/38	(Call 05/01/23)		1,500		1,553,760
4.00%, 05/01/39	(Call 05/01/23)		2,000		2,069,740
4.00%, 05/01/40	(Call 05/01/23)		1,460		1,508,808
Series A
4.00%, 04/01/42	(Call 04/01/21)		10,335		10,602,987
4.50%, 12/01/43	(Call 12/01/21)		2,500		2,688,850
5.00%, 04/01/19			3,800		3,946,566
5.00%, 03/01/23			4,900		5,570,761
5.00%, 07/01/23			2,525		2,889,635
5.00%, 07/01/25			1,000		1,176,730
5.00%, 04/01/28	(PR 04/01/21)		3,000		3,293,970
5.00%, 07/01/28	(Call 07/01/26)		10,000		11,754,100
5.00%, 03/01/34	(PR 03/01/19)		460		476,344
5.00%, 07/01/36	(Call 07/01/25)		2,500		2,862,125
5.00%, 03/01/39	(PR 03/01/19)		1,975		2,045,172
5.00%, 03/01/46	(Call 03/01/24)		1,305		1,460,191
5.00%, 04/01/47	(Call 04/01/27)		5,265		5,953,399
5.25%, 08/01/21			3,000		3,344,340
5.50%, 08/01/30	(AMBAC)		6,400		7,921,920
Series B
5.00%, 08/01/21			3,800		4,204,814
5.00%, 06/01/25	(PR 06/01/20)		1,800		1,936,170
5.00%, 08/01/25	(PR 08/01/20)		1,200		1,297,104
5.00%, 07/01/27			2,500		2,998,775
5.00%, 04/01/47	(Call 04/01/27)		5,000		5,653,750
5.25%, 08/01/20			745		808,943
5.25%, 08/01/21			425		473,782
5.25%, 08/01/21	(AGM)		1,585		1,766,926
5.25%, 09/01/21			1,960		2,189,614
5.25%, 08/01/22			1,100		1,252,790
5.25%, 09/01/22	(AGM)		600		684,576


Security		Principal (000s)		Value
5.25%, 08/01/23		$	1,075	$	1,245,624
5.25%, 09/01/23	(AGM)		215		249,503
5.25%, 09/01/24	(AGM)		1,820		2,147,127
Series C
4.00%, 10/01/27	(Call 10/01/20)		2,425		2,553,258
5.00%, 08/01/19			2,220		2,329,557
5.00%, 04/01/20			9,085		9,718,315
5.00%, 08/01/22			2,500		2,820,950
5.00%, 07/01/23	(Call 07/01/22)		3,000		3,371,490
5.00%, 10/01/24			6,900		8,049,885
5.00%, 08/01/25			1,350		1,590,071
5.00%, 10/01/25			5,000		5,903,650
Series D
4.00%, 02/01/41	(Call 02/01/27)		3,000		3,083,820
4.00%, 02/01/45	(Call 02/01/27)		2,000		2,045,160
5.00%, 10/01/24	(PR 10/01/21)		1,000		1,112,310
5.00%, 07/01/25			2,500		2,941,825
5.00%, 07/01/26			4,000		4,757,640
5.00%, 07/01/27			4,900		5,877,599
5.00%, 08/01/33	(PR 08/01/21)		7,645		8,467,449
5.00%, 02/01/34	(Call 02/01/27)		1,500		1,729,275
5.50%, 10/01/18			400		409,752
5.50%, 10/01/19	(AMBAC)		4,260		4,525,824
Series D-2-R
1.70%, 08/01/43	(Put 08/01/22)^b		1,600		1,567,168
Series E
4.00%, 04/01/46	(Call 04/01/25)		9,915		10,092,379
4.50%, 08/01/43	(Call 08/01/21)		2,075		2,219,088
5.00%, 11/01/23			1,600		1,841,904
5.00%, 11/01/25	(AMBAC)		2,115		2,499,422
5.00%, 09/01/28	(PR 09/01/22)		4,400		4,985,288
5.00%, 08/01/35	(Call 08/01/21)		1,650		1,807,955
5.00%, 08/01/39	(Call 08/01/21)		2,500		2,735,000
5.00%, 08/01/40	(Call 08/01/21)		2,165		2,367,752
Series J
5.00%, 12/01/37	(Call 12/01/26)		9,845		11,284,339
Commonwealth of Massachusetts RB
5.50%, 01/01/30	(NPFGC-FGIC)		1,110		1,375,834
5.50%, 01/01/34	(NPFGC-FGIC)		1,500		1,909,515
Series A
5.50%, 06/01/21	(AGM)		4,545		5,086,719


Security		Principal (000s)		Value
Commonwealth of Massachusetts Transportation Fund Revenue RB
Series A
4.00%, 06/01/45	(Call 06/01/25)	$	2,500	$	2,600,425
5.00%, 06/01/25	(PR 06/01/21)		1,050		1,158,287
5.00%, 06/01/41	(Call 06/01/26)		7,000		7,977,410
5.00%, 06/01/42	(Call 06/01/27)		5,600		6,415,584
5.00%, 06/01/44	(Call 06/01/24)		3,000		3,368,430
5.00%, 06/01/47	(Call 06/01/27)		3,850		4,394,120
Massachusetts Bay Transportation Authority RB
Series A
5.00%, 07/01/20			7,000		7,540,470
5.00%, 07/01/28			130		156,533
5.00%, 07/01/31			2,870		3,493,221
5.25%, 07/01/21			765		851,238
5.25%, 07/01/28			1,450		1,778,396
5.25%, 07/01/30			3,635		4,519,395
5.25%, 07/01/34	(PR 07/01/18)		14,850		15,043,710
Series B
5.25%, 07/01/19			1,395		1,464,011
5.25%, 07/01/21			2,120		2,358,988
Series C
5.00%, 07/01/31	(PR 07/01/18)		1,000		1,012,240
5.00%, 07/01/34	(PR 07/01/18)		2,450		2,479,988
5.50%, 07/01/18			2,180		2,209,822
Massachusetts Clean Water Trust (The) RB
5.00%, 08/01/18			1,000		1,015,290
5.00%, 08/01/20			1,800		1,945,206
5.00%, 08/01/24			1,000		1,170,540
5.00%, 08/01/26			2,000		2,392,320
5.25%, 08/01/20			1,000		1,086,570
5.25%, 08/01/21			500		558,095
Series A
5.25%, 08/01/19			1,000		1,052,980
Massachusetts Department of Transportation RB
Series A
0.00%, 01/01/28	(NPFGC)^a		1,000		738,320
5.00%, 01/01/20	(ETM)		95		98,811
Massachusetts Development Finance Agency RB
5.00%, 01/01/41	(Call 01/01/25)		1,000		1,087,220


Security		Principal (000s)		Value
Series A
4.00%, 07/15/36	(Call 07/15/26)	$	4,000	$	4,212,160
5.00%, 07/15/22			1,000		1,130,270
5.00%, 07/15/28	(Call 07/15/26)		2,000		2,380,420
5.00%, 07/15/33	(Call 07/15/26)		3,000		3,518,610
5.00%, 07/15/36			1,490		1,865,033
5.00%, 07/15/40			4,000		5,076,920
5.00%, 01/01/47	(Call 01/01/27)		1,500		1,649,235
Series BB1
5.00%, 10/01/46	(Call 10/01/26)		1,750		1,972,093
Series P
5.00%, 07/01/43	(Call 07/01/23)		3,225		3,609,549
Massachusetts School Building Authority RB
Series A
5.00%, 08/15/23	(Call 08/15/22)		1,500		1,692,840
5.00%, 08/15/26	(Call 08/15/22)		1,075		1,208,311
5.00%, 08/15/30	(Call 08/15/22)		3,135		3,498,315
5.00%, 05/15/43	(Call 05/15/23)		7,810		8,688,156
Series B
4.00%, 01/15/45	(Call 01/15/25)		2,000		2,048,240
5.00%, 10/15/19			1,000		1,055,940
5.00%, 10/15/21			1,035		1,149,761
5.00%, 08/15/28	(Call 08/15/22)		1,000		1,119,940
5.00%, 08/15/29	(Call 08/15/22)		8,930		9,984,990
5.00%, 08/15/30	(Call 08/15/22)		9,305		10,395,918
5.00%, 10/15/35	(Call 10/15/21)		1,000		1,097,240
5.00%, 10/15/41	(Call 10/15/21)		2,750		3,003,385
5.00%, 11/15/46	(Call 11/15/26)		14,025		15,894,532
Series C
4.00%, 08/15/36	(Call 08/15/25)		1,000		1,039,190
5.00%, 08/15/27	(Call 08/15/25)		2,000		2,336,560
5.00%, 08/15/37	(Call 08/15/25)		3,000		3,408,720
Massachusetts State College Building Authority RB
Series B
5.00%, 05/01/43	(Call 05/01/22) (GTD)		750		822,443
Massachusetts Transportation Trust Fund Metropolitan Highway System Revenue RB
Series B
5.00%, 01/01/27	(Call 01/01/20)		2,175		2,297,714
5.00%, 01/01/37	(Call 01/01/20)		1,000		1,050,860


Security		Principal (000s)		Value
Massachusetts Water Resources Authority RB
Series A
5.00%, 08/01/23		$	1,500	$	1,726,455
5.00%, 08/01/40	(PR 08/01/20)		3,475		3,751,888
Series B
5.00%, 08/01/36	(PR 08/01/21)		1,000		1,104,080
5.00%, 08/01/39	(PR 08/01/19)		2,445		2,564,609
5.25%, 08/01/23	(AGM)		1,000		1,163,730
5.25%, 08/01/25	(AGM)		2,500		3,005,675
5.25%, 08/01/26	(AGM)		1,100		1,340,350
5.25%, 08/01/28	(AGM)		1,000		1,240,380
5.25%, 08/01/30			2,000		2,494,100
5.25%, 08/01/31	(AGM)		800		1,005,632
Series B-1
5.00%, 08/01/21	(PR 08/01/19)		90		94,337
5.00%, 08/01/21	(Call 08/01/19)		410		430,057
Series C
5.00%, 08/01/32	(Call 08/01/26)		6,485		7,563,585
5.00%, 08/01/34	(Call 08/01/26)		5,000		5,790,950
5.25%, 08/01/42	(Call 08/01/21)		1,000		1,106,720
Series J
5.50%, 08/01/20	(AGM)		1,000		1,092,470
5.50%, 08/01/21	(AGM)		2,155		2,423,168
Metropolitan Boston Transit Parking Corp. RB
5.25%, 07/01/33	(Call 07/01/21)		2,000		2,201,580
University of Massachusetts Building Authority RB Series 1
4.00%, 11/01/44	(Call 11/01/27)		2,145		2,212,653
4.00%, 11/01/45	(Call 11/01/25)		2,500		2,569,725
5.00%, 11/01/40	(Call 11/01/25)		2,500		2,839,975
5.00%, 11/01/44	(Call 11/01/24)		2,695		3,019,990

					469,352,372
MICHIGAN — 0.79%
Detroit City School District GO Series A
5.25%, 05/01/30	(AGM)		2,500		2,957,500
Great Lakes Water Authority Sewage Disposal System Revenue RB
5.00%, 07/01/34	(Call 07/01/26)		2,000		2,241,160


Security		Principal (000s)		Value
Great Lakes Water Authority Water Supply System Revenue RB Series A
5.00%, 07/01/46	(Call 07/01/26)	$	3,000	$	3,336,360
Michigan Finance Authority RB
5.00%, 07/01/20	(Call 07/01/19)		6,050		6,321,221
5.00%, 07/01/21	(Call 07/01/18)		4,500		4,551,930
Series A
5.00%, 01/01/19			2,625		2,703,383
5.00%, 07/01/19			3,070		3,212,632
Series C-3
5.00%, 07/01/24	(AGM)		1,000		1,146,760
5.00%, 07/01/32	(Call 07/01/24) (AGM)		1,000		1,115,110
Series D1
5.00%, 07/01/22	(AGM)		1,000		1,113,710
Series D2
5.00%, 07/01/26	(Call 07/01/24) (AGM)		1,000		1,131,740
Michigan State Building Authority RB
Series I
5.00%, 04/15/20			6,020		6,443,447
5.00%, 04/15/28	(Call 10/15/25)		3,000		3,469,980
5.00%, 10/15/29	(Call 10/15/23)		1,000		1,131,400
5.00%, 10/15/30	(Call 10/15/26)		3,000		3,472,380
5.00%, 04/15/38	(Call 10/15/25)		3,000		3,373,260
5.00%, 04/15/41	(Call 10/15/26)		1,000		1,119,430
5.00%, 10/15/51	(Call 10/15/26)		2,500		2,763,150
Series II
5.38%, 10/15/41	(Call 10/15/21)		2,000		2,219,700
State of Michigan GO
Series A
5.00%, 05/01/19	(Call 05/01/18)		230		231,341
5.00%, 11/01/20	(PR 11/01/18)		760		778,415
5.25%, 11/01/22	(PR 11/01/18)		200		205,174
State of Michigan RB
5.00%, 03/15/23			1,000		1,130,740
5.00%, 03/15/24			4,000		4,585,960
5.00%, 03/15/26			2,500		2,916,800
5.00%, 03/15/27			300		352,368
State of Michigan Trunk Line Revenue RB
5.00%, 11/01/20	(Call 11/01/19)		2,820		2,977,694


Security		Principal (000s)		Value
University of Michigan RB
Series A
5.00%, 04/01/23		$	1,500	$	1,715,565
5.00%, 04/01/42	(Call 04/01/27)		2,500		2,884,075

					71,602,385
MINNESOTA — 0.59%
Minneapolis-St Paul Metropolitan Airports Commission RB
Series A
5.00%, 01/01/26			1,215		1,430,711
Series C
5.00%, 01/01/41	(Call 01/01/27)		1,500		1,717,380
5.00%, 01/01/46	(Call 01/01/27)		4,000		4,546,600
Minnesota Public Facilities Authority RB
Series A
5.00%, 03/01/20			1,000		1,067,590
Series B
5.00%, 03/01/19			510		528,069
State of Minnesota GO
Series 2010-D
5.00%, 08/01/22	(Call 08/01/20)		1,650		1,783,931
Series A
5.00%, 08/01/18			700		710,822
5.00%, 08/01/19			5,320		5,582,542
5.00%, 08/01/25	(PR 08/01/20)		1,600		1,727,488
Series B
5.00%, 08/01/18			6,700		6,803,582
Series D
5.00%, 08/01/20			1,725		1,863,311
5.00%, 08/01/21			7,550		8,354,301
5.00%, 08/01/22			1,500		1,692,570
5.00%, 08/01/23			2,400		2,755,704
5.00%, 10/01/26			3,000		3,588,720
Series F
4.00%, 10/01/24	(Call 10/01/23)		3,250		3,560,960
5.00%, 10/01/20			1,500		1,627,605
Series H
5.00%, 11/01/19			500		528,640
State of Minnesota RB
Series B
5.00%, 03/01/19			500		517,610
5.00%, 03/01/29	(Call 03/01/22)		1,000		1,105,770


Security		Principal (000s)		Value
Western Minnesota Municipal Power Agency RB Series A
5.00%, 01/01/46	(Call 01/01/24)	$	2,000	$	2,227,140

					53,721,046
MISSISSIPPI — 0.25%
State of Mississippi GO
Series A
4.00%, 10/01/36	(Call 10/01/27)		1,000		1,042,860
5.00%, 10/01/27			1,000		1,201,420
5.00%, 10/01/31	(PR 10/01/21)		1,000		1,112,310
5.00%, 10/01/32	(Call 10/01/27)		3,350		3,907,272
5.00%, 10/01/34	(Call 10/01/27)		6,000		6,943,920
5.00%, 10/01/36	(PR 10/01/21)		1,000		1,112,310
Series C
5.00%, 10/01/19			1,715		1,807,833
5.00%, 10/01/24			1,000		1,165,320
5.00%, 10/01/27	(Call 10/01/25)		3,420		3,978,794

					22,272,039
MISSOURI — 0.40%
Bi-State Development Agency of the Missouri-Illinois Metropolitan District RB
Series A
5.00%, 10/01/33	(Call 10/01/22)		2,000		2,236,220
City of Kansas City MO RB Series C
5.25%, 04/01/40	(PR 04/01/18)		500		501,650
City of Kansas City MO Sanitary Sewer System Revenue RB Series A
4.00%, 01/01/42	(Call 01/01/28)		1,000		1,035,350
City of Springfield MO Public Utility Revenue RB
4.00%, 08/01/31	(Call 08/01/25)		2,000		2,136,140
Metropolitan St. Louis Sewer District RB
Series A
5.00%, 05/01/42	(Call 05/01/22)		5,000		5,514,150
5.00%, 05/01/47	(Call 05/01/27)		1,000		1,143,650
Missouri Highway & Transportation Commission RB
Series 2014A
5.00%, 05/01/25	(Call 05/01/24)		4,000		4,634,680


Security		Principal (000s)		Value
Series A
5.00%, 05/01/21		$	2,000	$	2,199,820
5.00%, 05/01/23			5,795		6,631,508
Series B
5.00%, 05/01/18			5,000		5,030,350
5.00%, 05/01/19			2,000		2,081,380
5.00%, 05/01/21			2,000		2,199,820
University of Missouri RB Series A
5.00%, 11/01/19			1,055		1,114,175

					36,458,893
NEBRASKA — 0.14%
City of Lincoln NE Electric System Revenue RB
5.00%, 09/01/37	(Call 09/01/22)		1,000		1,113,370
Nebraska Public Power District RB Series A-2
5.00%, 01/01/40	(Call 01/01/22)		1,000		1,083,890
Omaha Public Power District Nebraska City Station Unit 2 RB Series A
5.00%, 02/01/49	(Call 02/01/26)		2,000		2,207,200
Omaha Public Power District RB
Series A
5.00%, 02/01/37	(PR 02/01/22)		2,000		2,227,960
Series AA
4.00%, 02/01/34	(Call 02/01/24)		2,500		2,612,425
Series B
5.00%, 02/01/21			1,000		1,091,620
5.00%, 02/01/31	(Call 08/01/24)		1,000		1,142,820
5.00%, 02/01/42	(PR 02/01/21)		1,000		1,093,110

					12,572,395
NEVADA — 0.90%
Clark County School District GOL
Series 2015D
5.00%, 06/15/28	(Call 12/15/25)		1,000		1,143,880
Series A
5.00%, 06/15/19			4,700		4,897,588
5.00%, 06/15/22			3,500		3,906,245
5.00%, 06/15/22	(PR 06/15/18)		1,500		1,515,975
5.00%, 06/15/23			1,000		1,130,440
5.00%, 06/15/25			1,000		1,148,310
5.00%, 06/15/27	(PR 06/15/18)		10,500		10,611,825


Security		Principal (000s)		Value
Series C
5.00%, 06/15/26	(Call 12/15/25)	$	4,705	$	5,420,866
5.00%, 06/15/27	(Call 12/15/25)		2,600		2,987,764
Clark County Water Reclamation District GOL Series A
5.25%, 07/01/38	(PR 07/01/19)		6,050		6,349,293
County of Clark Department of Aviation RB
5.00%, 07/01/30	(Call 01/01/20)		1,000		1,058,090
Series A-2
5.00%, 07/01/40	(Call 07/01/27)		5,190		5,862,209
Series B
5.00%, 07/01/18			8,760		8,863,981
5.13%, 07/01/36	(Call 01/01/20)		4,480		4,756,147
Series C
5.00%, 07/01/23	(Call 07/01/19) (AGM)		500		522,620
5.00%, 07/01/25	(Call 07/01/19) (AGM)		2,500		2,612,425
County of Clark NV GOL
5.00%, 06/01/33	(PR 06/01/18)		1,000		1,009,200
Series B
5.00%, 11/01/27	(Call 11/01/26)		2,000		2,366,740
Las Vegas Valley Water District GOL
4.00%, 06/01/39	(Call 12/01/24)		2,000		2,057,120
Series B
5.00%, 06/01/42	(Call 06/01/22)		1,000		1,099,260
State of Nevada GOL
5.00%, 03/01/22			1,000		1,116,740
5.00%, 06/01/27	(PR 06/01/18)		3,000		3,027,600
Series D
5.00%, 04/01/25			2,000		2,342,400
State of Nevada Highway Improvement Revenue RB
5.00%, 12/01/28	(Call 06/01/26)		5,000		5,869,200

					81,675,918
NEW JERSEY — 4.79%
Essex County Improvement Authority RB
5.25%, 12/15/20	(ETM)		5		5,490
5.25%, 12/15/20			995		1,089,266


Security		Principal (000s)		Value
Garden State Preservation Trust RB
Series A
5.75%, 11/01/28	(AGM)	$	1,500	$	1,774,320
Series C
5.13%, 11/01/18	(AGM)		1,000		1,024,780
5.25%, 11/01/20	(AGM)		700		759,850
New Jersey Building Authority RB
Series A
5.00%, 06/15/18	(ETM)		90		90,932
5.00%, 06/15/18			910		917,999
New Jersey Economic Development Authority RB
5.00%, 03/01/19	(PR 03/01/18)		2,165		2,165,000
5.00%, 06/15/19			1,055		1,094,679
5.00%, 06/15/22	(AGM)		1,500		1,631,085
5.00%, 06/15/23	(Call 06/15/22)		1,000		1,092,460
5.00%, 06/15/25	(Call 06/15/22)		1,000		1,083,600
5.00%, 03/01/26	(Call 03/01/22)		1,000		1,064,330
5.00%, 03/01/26	(Call 03/01/23)		4,455		4,761,058
5.00%, 06/15/26	(Call 06/15/25)		5,000		5,458,250
5.00%, 06/15/26	(Call 06/15/22)		500		539,500
5.00%, 06/15/28	(Call 06/15/22)		1,050		1,126,829
5.25%, 06/15/31	(Call 06/15/25)		2,500		2,710,475
5.25%, 06/15/40	(Call 06/15/25)		1,000		1,057,540
Series A
4.00%, 07/01/22			1,000		1,037,000
4.00%, 11/01/27	(SAP)		480		488,074
4.00%, 07/01/34	(Call 07/01/27)		3,540		3,489,697
5.00%, 06/15/42	(Call 12/15/27)		1,500		1,581,825
Series AA
5.50%, 12/15/29	(PR 06/15/19)		165		173,154
5.50%, 12/15/29	(Call 06/15/19)		85		88,182
Series AAA
5.00%, 06/15/36	(Call 12/15/26)		1,000		1,065,020
5.00%, 06/15/41	(Call 12/15/26)		1,515		1,585,054
Series B
5.00%, 11/01/19	(SAP)		1,500		1,567,950
5.00%, 11/01/20	(SAP)		4,000		4,254,960
5.00%, 11/01/23	(SAP)		2,110		2,309,817
5.00%, 11/01/26	(SAP)		2,000		2,202,020
Series BBB
5.00%, 06/15/23			1,000		1,090,920
5.50%, 06/15/30	(Call 12/15/26)		3,000		3,404,130


Security		Principal (000s)		Value
Series DDD
5.00%, 06/15/42	(Call 06/15/27)	$	500	$	523,800
Series EE
5.25%, 09/01/24	(Call 03/01/21)		1,375		1,466,713
Series GG
5.00%, 09/01/21	(Call 03/01/21) (SAP)		1,850		1,972,267
5.00%, 09/01/22	(Call 03/01/21) (SAP)		250		265,410
5.25%, 09/01/25	(Call 03/01/21) (SAP)		1,825		1,940,249
5.25%, 09/01/27	(Call 03/01/21) (SAP)		585		616,619
Series II
5.00%, 03/01/23	(Call 03/01/22)		2,000		2,147,280
5.00%, 03/01/25	(Call 03/01/22)		2,555		2,727,258
Series K
5.50%, 12/15/19	(AMBAC)		3,345		3,542,623
Series N-1
5.50%, 09/01/24	(AMBAC)		1,325		1,498,350
5.50%, 09/01/26	(AMBAC)		1,000		1,144,330
Series NN
5.00%, 03/01/19	(ETM)		3,000		3,105,060
5.00%, 03/01/21			2,000		2,131,580
5.00%, 03/01/22			4,000		4,318,040
5.00%, 03/01/24	(Call 03/01/23)		4,575		4,939,353
5.00%, 03/01/25	(Call 03/01/23)		3,590		3,855,337
5.00%, 03/01/30	(Call 03/01/23)		3,055		3,216,151
Series PP
5.00%, 06/15/19			1,925		1,994,165
5.00%, 06/15/26	(Call 06/15/24)		3,000		3,237,750
5.00%, 06/15/27	(Call 06/15/24)		3,000		3,218,520
5.00%, 06/15/31	(Call 06/15/24)		2,500		2,643,300
Series UU
5.00%, 06/15/40	(Call 06/15/24)		2,060		2,135,108
Series XX
4.00%, 06/15/24	(SAP)		2,905		2,991,162
5.00%, 06/15/21			2,260		2,421,590
5.00%, 06/15/22			2,000		2,168,040
Series Y
5.00%, 09/01/33	(PR 09/01/18)		820		834,489


Security		Principal (000s)		Value
New Jersey Educational Facilities Authority RB
Series A
5.00%, 07/01/26	(Call 07/01/24)	$	1,650	$	1,917,350
Series B
5.00%, 09/01/21	(SAP)		2,000		2,149,760
5.00%, 07/01/29	(Call 07/01/27)		5,000		6,011,300
New Jersey Institute of Technology/NJ RB
Series A
5.00%, 07/01/45	(Call 07/01/25)		2,500		2,793,600
New Jersey State Turnpike Authority RB
Series A
5.00%, 01/01/31	(Call 07/01/24)		6,500		7,380,555
5.00%, 01/01/32	(PR 01/01/22)		1,000		1,115,940
5.00%, 01/01/35	(PR 01/01/22)		2,000		2,231,880
5.00%, 01/01/38	(PR 07/01/22)		6,000		6,774,900
Series B
5.00%, 01/01/19			5,180		5,329,857
5.00%, 01/01/21			1,000		1,087,030
5.00%, 01/01/25	(Call 01/01/23)		1,000		1,118,370
5.00%, 01/01/27	(Call 01/01/23)		2,000		2,226,120
5.00%, 01/01/28	(Call 01/01/23)		2,500		2,780,250
5.00%, 01/01/29	(Call 01/01/23)		1,400		1,555,582
Series E
5.25%, 01/01/40	(PR 01/01/19)		2,500		2,580,000
Series I
5.00%, 01/01/35	(PR 01/01/20)		1,760		1,869,472
New Jersey Transit Corp. RB
Series A
5.00%, 09/15/18			1,500		1,523,535
New Jersey Transportation Trust Fund Authority RB
5.25%, 12/15/19			3,860		4,063,576
5.25%, 12/15/21	(NPFGC)		695		762,818
Series A
0.00%, 12/15/25^a			2,085		1,522,404
0.00%, 12/15/28^a			4,140		2,580,752
0.00%, 12/15/29^a			3,290		1,949,457
0.00%, 12/15/30^a			3,000		1,685,580
0.00%, 12/15/31^a			5,025		2,680,737
0.00%, 12/15/32^a			400		202,712
0.00%, 12/15/33^a			930		445,982


Security		Principal (000s)		Value
0.00%, 12/15/34^a		$	1,055	$	478,189
0.00%, 12/15/35^a			11,710		5,019,491
0.00%, 12/15/36^a			3,750		1,521,450
0.00%, 12/15/37^a			7,700		2,960,419
0.00%, 12/15/38^a			4,145		1,512,303
0.00%, 12/15/39^a			8,700		3,011,070
0.00%, 12/15/40^a			2,500		820,450
4.75%, 12/15/37	(Call 03/26/18) (AMBAC)		525		526,024
5.00%, 06/15/18			1,000		1,008,790
5.00%, 12/15/34	(Call 03/26/18) (AMBAC)		1,900		1,904,028
5.00%, 06/15/42	(Call 06/15/22)		5,000		5,161,050
5.25%, 12/15/20			3,080		3,304,748
5.25%, 12/15/21			860		937,744
5.25%, 12/15/21	(ETM) (NPFGC)		5		5,634
5.25%, 12/15/22			700		772,002
5.50%, 12/15/21			2,910		3,199,050
5.50%, 12/15/22			8,075		8,995,065
5.50%, 12/15/23			4,695		5,279,481
5.50%, 06/15/41	(Call 06/15/21) (SAP)		400		421,176
5.75%, 06/15/25	(NPFGC)		2,500		2,897,175
5.88%, 12/15/38	(Call 12/15/18)		11,280		11,601,818
Series A-1
5.00%, 06/15/19			2,350		2,434,435
5.00%, 06/15/20			1,700		1,795,353
5.00%, 06/15/21			1,950		2,092,603
5.00%, 06/15/24			1,000		1,104,710
5.00%, 06/15/28	(Call 06/15/26)		3,750		4,140,037
5.00%, 06/15/29	(Call 06/15/26)		1,870		2,054,625
5.00%, 06/15/30	(Call 06/15/26)		1,000		1,092,740
Series A-2
5.00%, 06/15/21	(Call 06/15/18)		2,600		2,623,842
5.00%, 06/15/22	(Call 06/15/18)		3,000		3,026,130
5.00%, 06/15/23	(Call 06/15/18)		3,000		3,024,900
5.00%, 06/15/24	(Call 06/15/18)		1,750		1,764,228
5.00%, 06/15/29	(Call 06/15/18)		4,000		4,031,800
5.00%, 06/15/30	(Call 06/15/18)		2,000		2,015,840
5.00%, 06/15/31	(Call 06/15/18)		3,000		3,023,760
Series AA
4.00%, 06/15/27	(Call 06/15/22) (SAP)		1,500		1,514,655


Security		Principal (000s)		Value
5.00%, 06/15/20		$	85	$	89,768
5.00%, 06/15/22			1,000		1,085,280
5.00%, 06/15/22	(SAP)		1,275		1,383,732
5.00%, 06/15/23	(Call 06/15/22) (SAP)		5,850		6,321,919
5.00%, 06/15/25	(Call 06/15/24)		1,000		1,093,370
5.00%, 06/15/28	(Call 06/15/22) (SAP)		1,225		1,303,510
5.00%, 06/15/32	(Call 06/15/22) (SAP)		1,420		1,498,228
5.00%, 06/15/38	(Call 06/15/24)		3,000		3,127,830
5.00%, 06/15/44	(Call 06/15/23)		3,250		3,347,045
5.00%, 06/15/44	(Call 06/15/24)		350		361,207
5.00%, 06/15/45	(Call 06/15/25)		2,500		2,597,225
5.25%, 06/15/41	(Call 06/15/25)		1,000		1,061,390
Series B
5.00%, 06/15/20			1,075		1,135,297
5.00%, 06/15/42	(Call 06/15/21)		8,975		9,298,638
5.25%, 06/15/22	(Call 06/15/21)		560		605,142
5.25%, 12/15/22	(AMBAC)		1,900		2,100,792
5.25%, 06/15/26	(Call 06/15/21)		1,665		1,780,784
5.25%, 06/15/36	(Call 06/15/21)		2,000		2,103,840
5.50%, 12/15/20	(NPFGC-FGIC)		3,000		3,247,380
5.50%, 12/15/21	(NPFGC)		500		552,510
5.50%, 06/15/31	(Call 06/15/21)		1,910		2,042,821
Series C
0.00%, 12/15/24	(AMBAC)^a		1,665		1,286,229
0.00%, 12/15/28	(AMBAC)^a		3,130		1,951,148
0.00%, 12/15/30	(NPFGC)^a		3,500		1,991,255
0.00%, 12/15/31	(NPFGC-FGIC)^a		2,000		1,081,440
0.00%, 12/15/32	(AGM)^a		5,000		2,696,500
0.00%, 12/15/35	(AMBAC)^a		3,990		1,710,314
Series D
5.00%, 12/15/23			2,330		2,558,853
5.00%, 12/15/24			2,145		2,374,601
5.00%, 06/15/32	(Call 12/15/24)		8,500		9,026,235
5.25%, 12/15/23			3,735		4,150,930
New Jersey Turnpike Authority RB
Series A
4.00%, 01/01/35	(Call 07/01/24)		3,145		3,240,702
5.00%, 01/01/28	(Call 07/01/24)		5,010		5,704,386
5.00%, 01/01/29	(Call 01/01/27)		2,000		2,325,060
5.00%, 01/01/33	(Call 01/01/27)		2,000		2,286,520


Security		Principal (000s)		Value
5.00%, 01/01/34	(Call 01/01/26)	$	2,000	$	2,253,440
5.00%, 01/01/43	(PR 07/01/22)		9,395		10,587,507
5.00%, 01/01/43	(Call 07/01/22)		5,575		6,112,263
Series B
5.00%, 01/01/20			1,745		1,850,590
5.00%, 01/01/28			1,750		2,080,452
5.00%, 01/01/31	(Call 01/01/28)		4,500		5,248,620
Series E
5.00%, 01/01/32	(Call 01/01/28)		2,500		2,899,750
5.00%, 01/01/34	(Call 01/01/25)		2,000		2,240,060
5.00%, 01/01/45	(Call 01/01/25)		12,045		13,349,714
Series G
4.00%, 01/01/33	(Call 01/01/28)		2,000		2,102,900
4.00%, 01/01/34	(Call 01/01/28)		4,500		4,700,880
5.00%, 01/01/35	(Call 01/01/28)		1,000		1,144,400
5.00%, 01/01/36	(Call 01/01/28)		1,000		1,141,690
Series H
5.00%, 01/01/36	(PR 01/01/19)		1,500		1,544,470
Series I
5.00%, 01/01/31	(PR 01/01/20)		1,970		2,089,037
State of New Jersey GO
5.00%, 06/01/27	(Call 06/01/25)		2,000		2,253,160
5.00%, 06/01/32	(Call 06/01/25)		1,500		1,658,010
Series L
5.25%, 07/15/19	(AMBAC)		420		440,324
Series Q
5.00%, 08/15/19			1,000		1,047,590
5.00%, 08/15/20			1,000		1,074,440
5.00%, 08/15/21	(Call 08/15/20)		500		536,470
Series T
5.00%, 06/01/22			2,000		2,216,380

					435,350,152
NEW MEXICO — 0.15%
New Mexico Finance Authority RB
Series B
5.00%, 06/15/20			500		538,235
5.00%, 06/15/23	(Call 06/15/20)		3,260		3,501,664
State of New Mexico GO
Series B
5.00%, 03/01/21			3,500		3,829,665
State of New Mexico Severance Tax Permanent Fund RB
Series B
4.00%, 07/01/20			4,000		4,216,800


Security		Principal (000s)		Value
4.00%, 07/01/23		$	1,800	$	1,969,668

					14,056,032
NEW YORK — 21.95%
Battery Park City Authority RB
Series A
5.00%, 11/01/22			500		569,815
5.00%, 11/01/24	(Call 11/01/23)		1,550		1,796,884
Brooklyn Arena Local Development Corp. RB
0.00%, 07/15/33^a			500		274,910
6.38%, 07/15/43	(PR 01/15/20)		1,875		2,038,481
City of New York NY GO
5.00%, 08/01/18	(Call 04/02/18)		5		5,016
5.00%, 08/01/26	(Call 08/01/25)		1,750		2,041,778
5.25%, 08/15/23	(PR 08/15/18)		1,115		1,134,501
5.25%, 08/15/23	(Call 08/15/18)		3,735		3,799,802
Series 1
5.00%, 08/01/24			1,600		1,854,144
Series A
4.00%, 08/01/18			3,250		3,287,147
5.00%, 08/01/18			18,110		18,391,429
5.00%, 08/01/20			4,000		4,319,720
5.00%, 08/01/21			5,265		5,820,352
5.00%, 08/01/23			2,500		2,860,875
5.00%, 08/01/24			3,500		4,055,940
5.00%, 08/01/28	(Call 08/01/27)		1,500		1,782,330
5.00%, 08/01/31	(Call 08/01/24)		2,500		2,858,650
5.00%, 08/01/32	(Call 08/01/24)		1,000		1,142,190
Series A-1
5.00%, 08/01/30	(Call 08/01/26)		1,660		1,917,234
5.00%, 08/01/30	(Call 08/01/21)		500		548,210
5.00%, 08/01/31	(Call 08/01/21)		710		777,720
5.00%, 08/01/32	(Call 08/01/21)		1,000		1,095,040
5.00%, 10/01/32	(Call 10/01/22)		4,635		5,152,590
5.00%, 08/01/38	(Call 08/01/26)		3,000		3,388,410
Series B
5.00%, 08/01/18			2,950		2,995,843
5.00%, 08/01/20			1,600		1,727,888
Series B-1
5.00%, 12/01/29	(Call 12/01/26)		1,000		1,165,380
5.00%, 12/01/33	(Call 12/01/26)		1,800		2,067,624
5.00%, 12/01/35	(Call 12/01/26)		7,815		8,912,539
5.00%, 10/01/37	(Call 10/01/27)		3,000		3,439,800


Security		Principal (000s)		Value
5.00%, 12/01/38	(Call 12/01/26)	$	1,500	$	1,698,390
5.00%, 12/01/41	(Call 12/01/26)		2,750		3,100,322
5.25%, 09/01/20	(Call 09/01/18)		500		509,555
5.25%, 09/01/23	(PR 09/01/18)		1,020		1,039,594
5.25%, 09/01/23	(Call 09/01/18)		365		371,920
5.25%, 09/01/24	(PR 09/01/18)		690		703,255
5.25%, 09/01/24	(Call 09/01/18)		310		315,862
Series C
4.00%, 08/01/34	(Call 02/01/28)		1,000		1,050,110
5.00%, 08/01/18			2,640		2,681,026
5.00%, 08/01/19			2,500		2,622,300
5.00%, 08/01/20			2,885		3,115,598
5.00%, 08/01/22			1,000		1,126,120
5.00%, 08/01/24	(Call 08/01/19)		2,000		2,094,660
5.00%, 08/01/24			6,985		8,094,497
5.00%, 08/01/26	(Call 02/01/26)		5,400		6,334,146
5.00%, 08/01/26			2,000		2,370,560
5.00%, 08/01/27	(Call 02/01/25)		4,000		4,620,240
5.00%, 08/01/28	(Call 02/01/25)		1,500		1,722,345
5.00%, 08/01/28	(Call 02/01/27)		1,000		1,179,380
5.00%, 08/01/29	(Call 02/01/28)		2,000		2,370,940
5.00%, 08/01/32	(Call 02/01/28)		3,435		4,020,290
5.25%, 08/01/18			480		487,954
Series D
5.00%, 08/01/18			2,000		2,031,080
5.00%, 08/01/19			4,000		4,195,680
5.00%, 08/01/24	(Call 02/01/23)		2,000		2,257,440
5.00%, 08/01/25	(Call 02/01/23)		2,500		2,818,075
Series D-1
5.00%, 10/01/25	(Call 10/01/21)		1,000		1,104,610
5.00%, 10/01/26	(Call 10/01/21)		4,090		4,514,869
5.00%, 10/01/32	(Call 10/01/21)		1,685		1,847,788
Series E
5.00%, 08/01/19			100		104,892
5.00%, 08/01/21	(Call 08/01/19)		1,000		1,047,620
5.00%, 08/01/22	(Call 08/01/19)		400		419,048
5.00%, 08/01/23			3,000		3,433,050
5.00%, 08/01/25	(Call 08/01/19)		2,460		2,576,087
5.00%, 08/01/25			2,000		2,346,760
5.00%, 08/01/27	(Call 08/01/26)		3,275		3,843,867
5.00%, 08/01/27	(PR 08/01/19)		410		429,524
5.00%, 08/01/27	(Call 08/01/19)		1,000		1,047,040
Series E-1
4.00%, 03/01/41	(Call 03/01/28)		2,600		2,677,636


Security		Principal (000s)		Value
5.00%, 03/01/37	(Call 03/01/28)	$	2,500	$	2,879,100
5.00%, 03/01/44	(Call 03/01/28)		2,000		2,283,100
6.25%, 10/15/28	(PR 10/15/18)		1,200		1,236,048
6.25%, 10/15/28	(Call 10/15/18)		50		51,521
Series F
5.00%, 08/01/29	(Call 02/01/22)		30		33,026
5.00%, 08/01/31	(Call 02/01/22)		2,750		3,023,102
Series F-3
5.00%, 12/01/25			2,000		2,356,260
Series G
5.00%, 08/01/21			4,900		5,416,852
5.00%, 08/01/22			1,500		1,689,180
5.00%, 08/01/23			3,000		3,433,050
Series G-1
5.00%, 04/01/25	(Call 04/01/22)		2,500		2,767,600
5.00%, 04/01/26	(Call 04/01/22)		3,635		4,022,600
Series H-1
5.13%, 03/01/26	(Call 03/01/19)		10,000		10,353,400
Series I
5.00%, 08/01/18			2,795		2,838,434
5.00%, 08/01/20			2,365		2,554,034
5.00%, 08/01/21			1,850		2,045,138
5.00%, 08/01/27	(Call 08/01/22)		19,720		21,977,348
5.00%, 03/01/30	(Call 03/01/24)		1,000		1,136,640
Series I-1
5.00%, 08/01/18			215		218,341
5.00%, 08/01/19			2,300		2,412,516
5.38%, 04/01/36	(PR 04/01/19)		2,410		2,509,172
5.38%, 04/01/36	(Call 04/01/19)		90		93,605
Series J
5.00%, 08/01/20			1,025		1,106,928
5.00%, 08/01/21			4,590		5,074,153
5.00%, 08/01/22			1,500		1,689,180
5.00%, 08/01/25	(Call 08/01/24)		2,000		2,318,980
Series J-1
5.00%, 05/15/25	(Call 05/15/19)		275		286,055
5.00%, 05/15/31	(PR 05/15/19)		565		588,267
5.00%, 05/15/31	(Call 05/15/19)		935		971,325
Series L-1
5.00%, 04/01/27	(PR 04/01/18)		1,200		1,203,723
City of New York NY GOL
Series F-1
5.00%, 06/01/36	(Call 06/01/25)		1,100		1,253,824


Security		Principal (000s)		Value
County of Nassau NY GOL
Series B
5.00%, 04/01/43	(Call 04/01/23)	$	3,000	$	3,288,120
Series C
5.00%, 10/01/27			2,500		2,929,500
Dutchess County Local Development Corp. RB
5.00%, 07/01/42	(Call 07/01/27)		750		854,228
Hudson Yards Infrastructure Corp. RB
5.00%, 02/15/47	(PR 02/15/21) (AGM)		45		49,218
5.00%, 02/15/47	(Call 02/15/21) (AGM)		955		1,013,570
5.25%, 02/15/47	(PR 02/15/21)		55		60,549
5.25%, 02/15/47	(Call 02/15/21)		1,195		1,283,729
5.75%, 02/15/47	(PR 02/15/21)		2,165		2,411,139
5.75%, 02/15/47	(Call 02/15/21)		1,335		1,460,931
Series A
4.00%, 02/15/44	(Call 02/15/27)		7,200		7,390,872
5.00%, 02/15/22			1,285		1,437,555
5.00%, 02/15/23			1,000		1,140,280
5.00%, 02/15/26			800		944,688
5.00%, 02/15/27			1,000		1,200,310
5.00%, 02/15/31	(Call 02/15/27)		1,150		1,333,310
5.00%, 02/15/33	(Call 02/15/27)		5,000		5,750,300
5.00%, 02/15/35	(Call 02/15/27)		1,600		1,827,984
5.00%, 02/15/38	(Call 02/15/27)		3,000		3,412,440
5.00%, 02/15/39	(Call 02/15/27)		800		909,312
5.00%, 02/15/42	(Call 02/15/27)		2,300		2,599,000
5.00%, 02/15/45	(Call 02/15/27)		3,400		3,830,780
Long Island Power Authority RB
5.00%, 09/01/42	(Call 09/01/27)		5,000		5,644,700
5.00%, 09/01/47	(Call 09/01/27)		4,000		4,505,360
Series 2015-B
5.00%, 09/01/45	(Call 09/01/25)		1,000		1,112,100
Series A
4.00%, 09/01/39	(Call 09/01/24) (AGM)		2,000		2,058,840
5.00%, 09/01/37	(Call 09/01/22)		2,355		2,599,732
5.00%, 09/01/44	(Call 09/01/24)		1,000		1,111,660
5.50%, 04/01/22	(PR 04/01/19)		500		521,515
5.50%, 05/01/33	(PR 05/01/19) (BHAC)		1,800		1,883,160


Security		Principal (000s)		Value
5.75%, 04/01/39	(PR 04/01/19)	$	3,700	$	3,869,090
6.00%, 05/01/33	(PR 05/01/19)		4,000		4,203,000
Series B
5.00%, 09/01/29	(Call 09/01/22)		1,750		1,947,610
5.00%, 09/01/41	(Call 09/01/26)		500		560,175
5.75%, 04/01/25	(PR 04/01/19)		1,050		1,096,830
5.75%, 04/01/33	(PR 04/01/19)		1,395		1,457,217
Metropolitan Transportation Authority RB
4.00%, 11/15/33	(Put 11/15/20)^b		1,000		1,049,350
5.00%, 11/15/29	(Call 11/15/25)		7,000		8,039,220
Series A
0.00%, 11/15/30^a			9,555		6,195,366
5.00%, 11/15/18			250		256,393
5.00%, 11/15/23	(Call 11/15/22)		1,500		1,704,585
5.00%, 11/15/25	(Call 11/15/22)		1,000		1,132,540
5.00%, 11/15/26	(Call 11/15/22)		1,535		1,736,975
5.00%, 11/15/29	(Call 11/15/22)		3,000		3,378,960
5.00%, 11/15/30	(PR 05/15/23)		1,110		1,274,324
5.00%, 11/15/38	(Call 05/15/23)		3,050		3,385,134
5.00%, 11/15/41	(PR 11/15/21)		500		558,385
5.00%, 11/15/42	(Call 05/15/27)		5,000		5,695,200
5.00%, 11/15/43	(PR 05/15/23)		1,890		2,169,796
5.00%, 11/15/43	(Call 05/15/23)		6,690		7,411,383
5.00%, 11/15/46	(PR 11/15/21)		1,500		1,675,155
5.25%, 11/15/29	(Call 11/15/26)		4,940		5,902,559
5.50%, 11/15/39	(PR 11/15/18)		600		617,730
Series A-1
5.00%, 11/15/40	(Call 05/15/25)		2,000		2,229,860
5.00%, 11/15/44	(Call 11/15/23)		7,385		8,243,802
5.00%, 11/15/45	(Call 05/15/25)		2,000		2,219,000
5.00%, 11/15/51	(Call 05/15/27)		1,500		1,673,145
5.25%, 11/15/56	(Call 05/15/26)		2,200		2,484,064
Series B
4.00%, 11/15/45	(Call 05/15/25)		1,960		2,000,533
5.00%, 11/15/23			2,940		3,377,149
5.00%, 11/15/24			5,500		6,395,125
5.00%, 11/15/25			2,000		2,343,700
5.00%, 11/15/26			3,000		3,542,070
5.00%, 11/15/28			3,310		3,958,992
5.00%, 11/15/34	(PR 11/15/19)		14,175		15,000,835
5.00%, 11/15/38	(Call 05/15/23)		1,660		1,842,401
5.25%, 11/15/23	(AMBAC)		210		244,022


Security		Principal (000s)		Value
Series B-1
5.00%, 11/15/35	(Call 11/15/27)	$	1,000	$	1,159,020
5.25%, 11/15/57	(Call 11/15/27)		1,000		1,159,830
Series B-2
5.00%, 11/15/33	(Call 11/15/27)		6,940		8,100,646
5.00%, 11/15/38	(Call 11/15/26)		3,745		4,277,801
Series C
5.00%, 11/15/20			1,305		1,417,530
5.00%, 11/15/30	(PR 11/15/22)		285		324,698
5.00%, 11/15/30	(Call 11/15/22)		715		798,190
5.00%, 11/15/41	(PR 11/15/22)		900		1,025,361
5.00%, 11/15/41	(Call 11/15/22)		1,100		1,213,036
6.25%, 11/15/23	(PR 11/15/18)		2,180		2,255,821
6.25%, 11/15/23	(Call 11/15/18)		520		537,789
Series C-1
4.00%, 11/15/38	(Call 05/15/28)		2,600		2,685,800
5.00%, 11/15/23			2,000		2,297,380
5.00%, 11/15/25			2,800		3,281,180
5.00%, 11/15/27			4,000		4,754,240
5.00%, 11/15/29	(Call 05/15/28)		1,105		1,305,414
5.00%, 11/15/56	(Call 11/15/26)		4,370		4,864,859
Series C-2
0.00%, 11/15/33^a			1,040		586,612
Series C-2B
5.00%, 11/15/34	(Put 02/15/20)^b		1,750		1,854,195
Series D
4.00%, 11/15/46	(Call 05/15/28)		7,000		7,135,030
5.00%, 11/15/20			2,155		2,340,826
5.00%, 11/15/21			1,000		1,111,070
5.00%, 11/15/30	(Call 11/15/26)		1,500		1,730,700
5.00%, 11/15/32	(Call 05/15/28)		3,000		3,498,030
5.00%, 11/15/33	(Call 05/15/28)		2,500		2,903,150
5.00%, 11/15/34	(PR 11/15/20)		1,695		1,847,753
5.00%, 11/15/36	(PR 11/15/21)		6,500		7,259,005
5.00%, 11/15/38	(Call 11/15/23)		2,250		2,517,952
5.00%, 11/15/43	(Call 11/15/23)		5,960		6,656,426
5.25%, 11/15/34	(PR 11/15/20)		280		307,079
5.25%, 11/15/41	(PR 11/15/21)		1,000		1,125,701
Series D-1
5.00%, 11/15/39	(Call 11/15/24)		5,100		5,738,010
Series E
5.00%, 11/15/43	(Call 11/15/23)		3,050		3,406,392
Series E-1
5.00%, 11/15/42	(PR 11/15/22)		2,035		2,318,455


Security		Principal (000s)		Value
5.00%, 11/15/42	(Call 11/15/22)	$	615	$	677,908
Series F
4.00%, 11/15/30	(Call 11/15/22)		765		796,587
5.00%, 11/15/18			1,615		1,656,296
5.00%, 11/15/19			1,285		1,360,301
5.00%, 11/15/24	(Call 11/15/22)		1,080		1,214,881
5.00%, 11/15/25	(Call 11/15/22)		5,400		6,066,684
5.00%, 11/15/27	(Call 11/15/22)		10,000		11,206,100
5.00%, 11/15/30	(Call 11/15/22)		6,750		7,535,362
MTA Hudson Rail Yards Trust Obligations RB
Series A
5.00%, 11/15/46	(Call 11/15/19)		5,000		5,224,000
5.00%, 11/15/51	(Call 11/15/21)		4,000		4,342,560
5.00%, 11/15/56	(Call 11/15/23)		10,000		11,096,100
Nassau County Interim Finance Authority RB
Series 2015A
5.00%, 11/15/22			1,000		1,140,740
Nassau County Sewer & Storm Water Finance Authority RB
Series A
5.13%, 11/01/23	(PR 11/01/18) (BHAC)		520		532,886
New York City Educational Construction Fund RB
Series A
5.75%, 04/01/41	(Call 04/01/21)		600		663,660
New York City Industrial Development Agency RB
5.00%, 03/01/31	(Call 04/02/18) (FGIC)		290		292,155
5.00%, 03/01/46	(Call 04/02/18) (FGIC)		1,550		1,558,773
New York City Transitional Finance Authority Building Aid Revenue RB
5.00%, 07/15/29	(Call 07/15/22) (SAW)		835		931,501
Series S-1
4.00%, 07/15/40	(Call 01/15/26) (SAW)		5,700		5,874,591
4.50%, 01/15/38	(Call 04/02/18) (SAW)		1,575		1,578,449


Security		Principal (000s)		Value
5.00%, 07/15/24	(Call 07/15/22) (SAW)	$	660	$	742,724
5.00%, 07/15/24	(SAW)		750		870,285
5.00%, 07/15/29	(Call 07/15/27) (SAW)		2,000		2,351,340
5.00%, 07/15/31	(Call 07/15/22) (SAW)		1,000		1,113,810
5.00%, 07/15/33	(Call 07/15/22) (SAW)		2,075		2,307,483
5.00%, 07/15/35	(Call 01/15/25) (SAW)		1,500		1,700,865
5.00%, 07/15/35	(Call 07/15/27) (SAW)		2,500		2,874,825
5.00%, 07/15/37	(Call 07/15/22) (SAW)		4,525		5,012,116
5.00%, 07/15/40	(Call 01/15/25) (SAW)		6,730		7,559,742
5.00%, 07/15/43	(Call 01/15/26) (SAW)		4,900		5,476,583
5.50%, 07/15/28	(Call 07/15/18) (SAW)		3,255		3,305,290
Series S-1A
5.00%, 07/15/19	(ETM) (SAW)		175		183,220
5.00%, 07/15/33	(Call 07/15/21) (SAW)		1,000		1,091,450
5.25%, 07/15/37	(Call 07/15/21) (SAW)		1,500		1,661,670
Series S-2
5.00%, 07/15/33	(Call 07/15/25) (SAW)		2,000		2,292,520
5.00%, 07/15/35	(Call 07/15/25) (SAW)		1,500		1,714,020
6.00%, 07/15/38	(Call 07/15/18) (SAW)		12,085		12,290,203
Series S-4
5.50%, 01/15/39	(Call 01/15/19) (SAW)		5,550		5,735,536
Series S-5
5.00%, 01/15/31	(Call 01/15/19) (SAW)		1,400		1,439,312


Security		Principal (000s)		Value
New York City Transitional Finance Authority Future Tax Secured Revenue RB
4.00%, 05/01/18		$	2,500	$	2,511,475
5.00%, 08/01/28	(Call 08/01/24)		2,350		2,706,636
5.00%, 11/01/29	(Call 05/01/27)		10,235		12,034,415
5.00%, 08/01/31	(Call 08/01/25)		1,300		1,496,820
5.00%, 05/01/32	(Call 05/01/23)		4,500		5,057,910
5.00%, 05/01/32	(Call 05/01/26)		2,740		3,142,643
5.00%, 11/01/32	(Call 11/01/21)		1,125		1,240,279
5.00%, 02/01/33	(Call 02/01/25)		1,710		1,940,337
5.00%, 02/01/34	(Call 02/01/25)		1,000		1,131,350
5.00%, 05/01/34	(Call 05/01/26)		3,000		3,415,170
5.00%, 08/01/34	(Call 08/01/24)		2,500		2,839,650
5.00%, 02/01/35	(Call 02/01/25)		2,630		2,968,428
5.00%, 08/01/35	(Call 08/01/24)		2,000		2,270,460
5.00%, 08/01/37	(Call 08/01/25)		5,500		6,230,125
5.00%, 08/01/39	(Call 08/01/24)		3,300		3,731,706
5.00%, 05/01/40	(Call 05/01/26)		3,200		3,608,384
5.00%, 02/01/41	(Call 02/01/25)		13,050		14,625,135
5.50%, 11/01/27	(Call 11/01/20)		3,545		3,896,274
Series A
5.00%, 11/01/20			1,000		1,087,210
5.00%, 11/01/22	(Call 11/01/21)		1,000		1,112,190
5.00%, 11/01/23	(Call 11/01/21)		1,000		1,110,690
5.00%, 05/01/28	(PR 05/01/19)		770		801,601
5.00%, 05/01/28	(Call 05/01/19)		940		977,017
5.00%, 11/01/35	(Call 11/01/23)		1,000		1,131,230
5.00%, 11/01/38	(Call 11/01/23)		3,500		3,947,475
Series A-1
5.00%, 08/01/23			1,000		1,146,550
5.00%, 08/01/29	(Call 08/01/24)		1,610		1,844,046
5.00%, 05/01/36	(Call 05/01/19)		1,000		1,038,440
5.00%, 05/01/38	(Call 05/01/19)		1,260		1,308,132
5.00%, 08/01/38	(Call 08/01/24)		750		848,588
Series A-2
5.00%, 08/01/35	(Call 08/01/27)		2,000		2,301,100
5.00%, 08/01/36	(Call 08/01/27)		3,000		3,443,730
Series B
5.00%, 11/01/18			3,085		3,161,415
5.00%, 11/01/21	(PR 11/01/19)		5		5,272
5.00%, 11/01/21	(Call 11/01/19)		2,795		2,954,622
5.00%, 02/01/27	(Call 02/01/21)		1,985		2,159,779
5.00%, 11/01/30	(Call 11/01/22)		1,000		1,122,500


Security		Principal (000s)		Value
Series B-1
4.00%, 08/01/42	(Call 08/01/27)	$	1,150	$	1,183,649
5.00%, 08/01/31	(Call 08/01/26)		3,500		4,042,360
5.00%, 08/01/33	(Call 08/01/27)		1,000		1,161,160
5.00%, 11/01/35	(Call 11/01/25)		2,000		2,282,260
5.00%, 11/01/40	(Call 05/01/24)		2,000		2,242,620
Series C
5.00%, 11/01/18			1,955		2,003,425
5.00%, 11/01/20			5,960		6,479,772
5.00%, 11/01/26	(Call 05/01/24)		1,020		1,177,396
5.00%, 11/01/33	(Call 11/01/20)		6,270		6,777,494
5.00%, 11/01/39	(Call 11/01/20)		1,525		1,641,830
Series D
5.00%, 02/01/24	(Call 02/01/21)		1,250		1,360,063
5.00%, 02/01/31	(Call 02/01/21)		2,500		2,713,450
5.00%, 02/01/35	(Call 02/01/21)		5,645		6,111,954
Series E
5.00%, 11/01/18			1,500		1,537,155
Series E-1
4.00%, 02/01/44	(Call 02/01/27)		2,000		2,052,800
5.00%, 02/01/25	(Call 02/01/22)		2,500		2,772,975
5.00%, 02/01/31	(Call 02/01/26)		1,000		1,148,290
5.00%, 02/01/33	(Call 02/01/27)		3,000		3,461,100
5.00%, 02/01/34	(Call 02/01/26)		5,130		5,820,806
5.00%, 02/01/35	(Call 02/01/22)		2,000		2,197,820
5.00%, 02/01/36	(Call 02/01/27)		4,300		4,906,773
5.00%, 02/01/37	(Call 02/01/27)		7,685		8,750,218
5.00%, 02/01/38	(Call 02/01/27)		9,135		10,386,038
5.00%, 02/01/39	(Call 02/01/27)		6,805		7,725,648
5.00%, 02/01/40	(Call 02/01/26)		2,625		2,951,025
5.00%, 02/01/42	(Call 02/01/22)		5,685		6,222,801
5.00%, 02/01/43	(Call 02/01/27)		2,500		2,825,825
Series F-1
4.00%, 05/01/44	(Call 05/01/27)		1,000		1,027,010
5.00%, 02/01/30	(Call 02/01/23)		2,000		2,242,600
5.00%, 05/01/31	(Call 05/01/27)		5,000		5,830,700
5.00%, 02/01/36	(Call 02/01/23)		1,400		1,560,188
5.00%, 05/01/38	(Call 05/01/27)		4,960		5,655,590
5.00%, 05/01/39	(Call 05/01/22)		2,500		2,753,950
5.00%, 05/01/42	(Call 05/01/27)		1,200		1,365,228
Series I
5.00%, 05/01/38	(Call 05/01/23)		1,000		1,117,800
5.00%, 05/01/42	(Call 05/01/23)		8,420		9,398,909


Security		Principal (000s)		Value
New York City Transitional Finance Authority RB Income Tax Revenue
Series D-1
5.00%, 11/01/33	(Call 11/01/21)	$	2,000	$	2,197,520
New York City Trust for Cultural Resources RB
5.00%, 04/01/31	(PR 10/01/18)		2,000		2,043,120
New York City Water & Sewer System RB
5.00%, 06/15/21	(PR 06/15/18)		185		186,976
5.00%, 06/15/21	(Call 06/15/18)		815		823,566
5.00%, 06/15/26	(Call 06/15/21)		4,630		5,081,888
5.00%, 06/15/29	(Call 12/15/19)		3,750		3,970,800
5.00%, 06/15/29	(PR 06/15/18)		205		207,189
5.00%, 06/15/29	(Call 06/15/18)		1,255		1,267,751
5.00%, 06/15/31	(Call 06/15/21)		485		531,526
5.00%, 06/15/32	(Call 06/15/21)		2,015		2,202,899
5.00%, 06/15/39	(Call 06/15/25)		7,735		8,751,224
5.00%, 06/15/44	(Call 12/15/21)		2,000		2,184,780
5.00%, 06/15/46	(Call 06/15/23)		10,750		12,010,545
5.38%, 06/15/40	(Call 12/15/20)		1,005		1,097,299
5.38%, 06/15/43	(Call 12/15/20)		9,140		9,971,557
5.50%, 06/15/40	(Call 06/15/19)		10,000		10,499,500
5.50%, 06/15/43	(Call 12/15/20)		1,000		1,094,640
Series A
5.75%, 06/15/40	(PR 06/15/18)		115		116,473
5.75%, 06/15/40	(Call 06/15/18)		385		389,585
Series AA
5.00%, 06/15/22	(PR 06/15/18)		1,400		1,414,952
5.00%, 06/15/44	(Call 06/15/24)		2,000		2,254,380
5.00%, 06/15/44	(Call 06/15/21)		8,200		8,864,118
Series BB
4.00%, 06/15/47	(Call 12/15/22)		9,775		10,097,184
5.00%, 06/15/27	(Call 06/15/19)		1,000		1,043,220
5.00%, 06/15/31	(Call 06/15/20)		3,050		3,273,961
5.00%, 06/15/47	(Call 12/15/22)		11,260		12,425,635
Series CC
5.00%, 06/15/34	(Call 06/15/18)		3,700		3,737,259
5.00%, 06/15/45	(Call 12/15/21)		7,500		8,192,925
5.00%, 06/15/46	(Call 06/15/26)		4,700		5,293,046
5.00%, 06/15/47	(Call 06/15/23)		14,945		16,681,758
Series CC-1
4.00%, 06/15/33	(Call 12/15/26)		1,250		1,321,100


Security		Principal (000s)		Value
5.00%, 06/15/47	(Call 06/15/24)	$	2,500	$	2,810,300
5.00%, 06/15/48	(Call 06/15/27)		4,500		5,115,060
Series CC-2
5.00%, 06/15/23	(Call 12/15/21)		2,000		2,225,400
Series DD
5.00%, 06/15/32	(Call 06/15/18)		900		909,117
5.00%, 06/15/35	(Call 06/15/23)		1,420		1,599,957
5.00%, 06/15/36	(Call 06/15/24)		4,000		4,530,960
5.00%, 06/15/39	(Call 06/15/24)		1,000		1,129,650
5.00%, 06/15/47	(Call 12/15/26)		7,645		8,653,834
Series EE
5.00%, 06/15/34	(Call 06/15/22)		1,250		1,386,963
5.00%, 06/15/36	(Call 06/15/24)		3,600		4,077,864
5.00%, 06/15/45	(Call 06/15/24)		8,750		9,857,487
5.00%, 06/15/47	(Call 06/15/23)		6,000		6,697,260
5.25%, 06/15/40	(Call 06/15/19)		9,675		10,094,701
Series FF
5.00%, 06/15/45	(Call 06/15/22)		1,000		1,103,120
Series FF-2
5.00%, 06/15/40	(Call 06/15/19)		710		738,457
Series GG
5.00%, 06/15/37	(Call 06/15/25)		1,815		2,066,196
5.00%, 06/15/39	(Call 06/15/25)		5,780		6,539,376
5.00%, 06/15/43	(Call 06/15/21)		9,330		10,122,583
Series GG-1
5.00%, 06/15/39	(Call 06/15/19)		6,160		6,408,556
5.25%, 06/15/32	(Call 06/15/19)		3,000		3,132,870
New York Convention Center Development Corp. RB
5.00%, 11/15/40	(Call 11/15/25)		1,500		1,686,240
5.00%, 11/15/45	(Call 11/15/25)		1,000		1,119,080
Series A
0.00%, 11/15/47^a			2,500		744,500
0.00%, 11/15/55^a			2,500		515,875
5.00%, 11/15/46	(Call 11/15/26)		1,500		1,691,460
New York Liberty Development Corp. RB
5.00%, 12/15/41	(Call 12/15/21)		6,540		7,156,657
5.25%, 12/15/43	(Call 12/15/21)		100		110,596
5.75%, 11/15/51	(Call 11/15/21)		1,750		1,967,035
New York Local Government Assistance Corp. RB
Series A
5.00%, 04/01/18			1,090		1,093,314


Security		Principal (000s)		Value
5.00%, 04/01/20	(Call 04/02/18)	$	225	$	225,691
New York Power Authority (The) RB
Series A
5.00%, 11/15/22			1,000		1,136,390
5.00%, 11/15/38	(Call 11/15/21)		1,000		1,104,640
Series C
5.00%, 11/15/18	(Call 04/02/18) (NPFGC)		500		501,500
New York State Dormitory Authority RB
4.00%, 05/15/20			1,350		1,421,024
5.00%, 07/01/22	(Call 07/01/18)		2,000		2,024,420
5.00%, 03/15/25			3,000		3,523,410
5.00%, 03/15/33	(Call 03/15/24)		5,000		5,663,300
5.00%, 02/15/35	(Call 02/15/20)		15		15,908
5.50%, 05/01/37	(PR 05/01/19)		850		888,259
5.75%, 05/01/37	(PR 05/01/19)		435		455,828
Series 1
5.50%, 07/01/40	(AMBAC)		530		683,838
Series 2014
5.00%, 02/15/20			3,920		4,179,896
Series 2015-B
5.00%, 03/15/31	(Call 09/15/25)		5,000		5,775,700
5.00%, 03/15/34	(Call 09/15/25)		4,635		5,306,472
Series A
4.00%, 05/15/18			2,000		2,010,620
5.00%, 05/15/18			1,080		1,087,906
5.00%, 07/01/18			3,000		3,035,610
5.00%, 03/15/20			1,000		1,069,300
5.00%, 05/15/20			3,000		3,222,540
5.00%, 12/15/20			5,200		5,672,316
5.00%, 02/15/21			3,920		4,286,206
5.00%, 12/15/21			1,500		1,673,715
5.00%, 03/15/22			4,240		4,745,221
5.00%, 03/15/23			3,000		3,412,140
5.00%, 02/15/24			3,000		3,460,800
5.00%, 03/15/25			1,450		1,694,775
5.00%, 05/15/25	(Call 05/15/22)		1,000		1,117,750
5.00%, 12/15/25	(Call 12/15/22)		3,000		3,399,930
5.00%, 02/15/26	(Call 02/15/24)		2,000		2,292,800
5.00%, 02/15/26			6,000		7,075,680
5.00%, 12/15/26	(Call 12/15/22)		16,565		18,724,910
5.00%, 02/15/27	(Call 02/15/24)		1,500		1,717,800
5.00%, 03/15/27	(Call 09/15/26)		5,400		6,413,634


Security		Principal (000s)		Value
5.00%, 03/15/27	(PR 03/15/18)	$	6,000	$	6,008,340
5.00%, 03/15/28	(Call 03/15/24)		2,000		2,292,980
5.00%, 03/15/28	(PR 03/15/19)		7,900		8,192,300
5.00%, 03/15/29	(Call 03/15/24)		2,000		2,286,940
5.00%, 02/15/30	(Call 02/15/27)		6,000		7,012,920
5.00%, 03/15/30	(Call 03/15/25)		2,700		3,106,701
5.00%, 03/15/31	(Call 03/15/24)		4,000		4,545,000
5.00%, 06/15/31	(Call 12/15/22)		6,465		7,254,700
5.00%, 03/15/34	(Call 03/15/27)		2,000		2,316,240
5.00%, 03/15/35	(Call 03/15/25)		1,000		1,141,660
5.00%, 02/15/36	(Call 02/15/27)		1,500		1,716,255
5.00%, 07/01/37	(Call 07/01/22)		1,250		1,375,025
5.00%, 02/15/38	(Call 02/15/27)		3,000		3,424,950
5.00%, 03/15/38	(Call 03/15/23)		3,395		3,787,428
5.00%, 03/15/38	(Call 03/15/27)		1,500		1,721,820
5.00%, 02/15/39	(PR 02/15/19)		3,600		3,718,049
5.00%, 02/15/39	(Call 02/15/19)		225		231,705
5.00%, 07/01/39	(PR 07/01/19)		2,070		2,163,088
5.00%, 02/15/40	(Call 08/15/26)		3,000		3,392,370
5.00%, 02/15/41	(Call 08/15/26)		1,920		2,168,083
5.00%, 07/01/41	(Call 07/01/21)		500		545,045
5.00%, 03/15/42	(Call 03/15/27)		2,500		2,852,775
5.00%, 07/01/42	(Call 07/01/22)		1,000		1,112,840
5.00%, 02/15/43	(Call 02/15/23)		3,500		3,845,240
5.00%, 03/15/43	(Call 03/15/27)		11,000		12,542,970
5.00%, 03/15/44	(Call 03/15/24)		11,170		12,519,336
5.25%, 05/15/21			1,000		1,089,930
5.50%, 07/01/18	(NPFGC-FGIC)		415		420,901
5.75%, 07/01/27	(NPFGC)		500		599,025
Series A-2
5.00%, 10/01/46	(Call 04/01/26)		1,000		1,140,240
5.00%, 10/01/46			2,000		2,595,100
Series B
5.00%, 03/15/19			1,020		1,057,740
5.00%, 03/15/21			1,500		1,643,520
5.00%, 02/15/23			4,900		5,565,077
5.00%, 02/15/25			1,000		1,167,660
5.00%, 02/15/26			2,940		3,467,083
5.00%, 03/15/28	(PR 03/15/19)		780		808,860
5.00%, 02/15/31	(Call 02/15/25)		8,935		10,247,998
5.00%, 02/15/31	(Call 08/15/27)		2,000		2,348,660
5.00%, 02/15/32	(Call 08/15/27)		1,200		1,399,476
5.00%, 02/15/34	(Call 02/15/25)		6,120		6,990,142
5.00%, 02/15/34	(Call 08/15/27)		5,000		5,786,500


Security		Principal (000s)		Value
5.00%, 03/15/35	(Call 03/15/22)	$	1,500	$	1,648,560
5.00%, 02/15/37	(Call 08/15/27)		3,765		4,327,227
5.00%, 02/15/38	(Call 02/15/25)		1,000		1,134,720
5.00%, 02/15/38	(Call 08/15/27)		1,960		2,250,962
5.00%, 02/15/41	(Call 02/15/25)		3,040		3,431,157
5.00%, 03/15/42	(Call 03/15/22)		6,500		7,109,635
5.00%, 07/01/45	(Call 07/01/25)		2,000		2,248,780
5.50%, 03/15/26	(AMBAC)		845		1,027,824
5.50%, 03/15/27	(AMBAC)		3,335		4,103,317
Series C
5.00%, 03/15/19	(PR 03/15/18)		4,200		4,205,838
5.00%, 03/15/24	(PR 03/15/18)		280		280,389
5.00%, 03/15/31	(Call 03/15/24)		1,000		1,136,250
5.00%, 03/15/33	(Call 03/15/24)		1,000		1,132,660
5.00%, 03/15/34	(Call 03/15/21)		1,375		1,494,639
5.00%, 03/15/35	(Call 03/15/24)		5,390		6,088,975
5.00%, 03/15/37	(Call 03/15/24)		2,000		2,255,800
5.00%, 03/15/38	(Call 03/15/24)		1,000		1,126,710
5.00%, 03/15/41	(Call 03/15/21)		7,510		8,154,208
5.00%, 03/15/44	(Call 03/15/24)		10,000		11,237,500
Series D
5.00%, 06/15/18	(ETM)		865		874,238
5.00%, 06/15/18			755		763,109
5.00%, 02/15/19			2,700		2,792,178
5.00%, 02/15/22			1,535		1,714,119
5.00%, 02/15/23			2,000		2,271,460
5.00%, 02/15/24			2,000		2,307,200
5.00%, 02/15/28	(Call 08/15/26)		1,500		1,760,400
5.00%, 02/15/37	(Call 02/15/22)		1,800		1,969,758
Series E
4.00%, 02/15/34	(Call 02/15/25)		1,445		1,509,187
5.00%, 02/15/23			1,000		1,135,730
5.00%, 02/15/24			1,095		1,263,192
5.00%, 03/15/31	(Call 09/15/25)		6,795		7,869,222
5.00%, 02/15/35	(PR 02/18/20) (Call 02/15/20)		985		1,047,626
New York State Environmental Facilities Corp. RB
4.00%, 06/15/46	(Call 06/15/26)		2,500		2,614,775
5.00%, 06/15/41	(Call 06/15/26)		2,050		2,337,431
Series A
5.00%, 06/15/19			2,000		2,091,420
5.00%, 06/15/22			1,020		1,152,682
5.00%, 06/15/23	(Call 06/15/22)		1,170		1,320,649


Security		Principal (000s)		Value
5.00%, 06/15/24	(Call 06/15/22)	$	750	$	844,260
5.00%, 06/15/42	(Call 06/15/27)		2,500		2,876,275
Series B
5.00%, 06/15/28	(Call 06/15/21)		1,400		1,542,758
5.00%, 06/15/31	(Call 06/15/21)		2,295		2,522,067
5.00%, 06/15/37	(Call 06/15/18)		10		10,093
5.00%, 06/15/41	(Call 06/15/21)		2,000		2,187,840
New York State Thruway Authority Highway & Bridge Trust Fund RB
Series A
5.00%, 04/01/21			500		548,995
5.00%, 04/01/22			1,610		1,806,404
5.00%, 04/01/30	(Call 04/01/22)		500		557,240
Series A-1
5.00%, 04/01/31	(Call 04/01/21)		2,000		2,182,120
Series B
5.00%, 04/01/19	(PR 10/01/18)		150		153,101
5.00%, 04/01/19	(Call 10/01/18)		480		490,176
5.00%, 04/01/20	(PR 10/01/18)		190		193,927
5.00%, 04/01/20	(Call 10/01/18)		230		234,837
New York State Thruway Authority RB
5.00%, 04/01/18			805		807,415
5.00%, 04/01/19			550		571,032
5.00%, 01/01/29	(Call 01/01/25)		2,000		2,298,560
5.00%, 01/01/32	(Call 01/01/25)		5,365		6,097,537
Series A
4.00%, 01/01/56	(Call 01/01/26)		1,000		1,011,370
5.00%, 05/01/19			18,730		19,478,825
5.00%, 05/01/19	(AGM)		1,230		1,279,901
5.00%, 03/15/21	(Call 09/15/20)		1,000		1,085,210
5.00%, 03/15/26	(Call 09/15/21)		2,785		3,087,952
5.00%, 03/15/32	(Call 09/15/21)		2,000		2,206,000
5.00%, 01/01/46	(Call 01/01/26)		4,000		4,433,680
5.00%, 01/01/51	(Call 01/01/26)		5,000		5,506,000
5.25%, 01/01/56	(Call 01/01/26)		2,480		2,789,355
Series B
5.50%, 04/01/20	(AMBAC)		620		670,208
Series C
5.25%, 03/15/19			2,000		2,079,120
Series H
5.00%, 01/01/20	(Call 04/02/18) (NPFGC)		3,210		3,219,405


Security		Principal (000s)		Value
5.00%, 01/01/21	(Call 04/02/18) (NPFGC)	$	4,590	$	4,603,127
5.00%, 01/01/22	(Call 04/02/18) (NPFGC-FGIC)		1,280		1,283,661
5.00%, 01/01/23	(Call 04/02/18) (NPFGC-FGIC)		720		722,052
Series I
5.00%, 01/01/28	(Call 01/01/22)		12,000		13,241,400
5.00%, 01/01/37	(Call 01/01/22)		1,000		1,095,350
5.00%, 01/01/42	(Call 01/01/22)		2,000		2,179,960
Series J
5.00%, 01/01/26	(Call 01/01/24)		2,560		2,924,544
5.00%, 01/01/41	(Call 01/01/24)		2,000		2,195,600
New York State Urban Development Corp. RB
5.00%, 12/15/18	(ETM)		85		87,383
5.00%, 12/15/18			265		272,659
5.00%, 03/15/27	(Call 03/15/24)		1,000		1,145,890
5.00%, 03/15/28	(PR 03/15/19)		220		227,909
5.00%, 03/15/28	(Call 03/15/19)		30		31,050
5.00%, 03/15/29	(Call 03/15/24)		2,000		2,279,700
5.00%, 03/15/30	(Call 03/15/23)		1,000		1,122,130
5.00%, 03/15/34	(Call 03/15/24)		2,300		2,592,813
5.50%, 03/15/24	(NPFGC)		1,090		1,289,568
Series A
5.00%, 03/15/19			2,000		2,074,000
5.00%, 03/15/20			4,050		4,326,453
5.00%, 03/15/22			2,000		2,237,300
5.00%, 03/15/23			10,085		11,470,477
5.00%, 03/15/25			5,000		5,844,050
5.00%, 03/15/26			1,000		1,180,180
5.00%, 03/15/27	(Call 03/15/26)		2,500		2,934,550
5.00%, 03/15/30	(Call 03/15/27)		9,800		11,451,006
5.00%, 03/15/31	(Call 03/15/26)		2,000		2,300,680
5.00%, 03/15/31	(Call 03/15/21)		1,000		1,089,170
5.00%, 03/15/32	(Call 03/15/27)		1,000		1,158,980
5.00%, 03/15/32	(Call 09/15/25)		1,000		1,162,540
5.00%, 03/15/33	(Call 03/15/27)		3,500		4,041,415
5.00%, 03/15/35	(Call 09/15/25)		1,525		1,766,087
5.00%, 03/15/35	(Call 03/15/27)		4,900		5,620,447
Series A-1
5.00%, 03/15/27	(Call 03/15/23)		3,725		4,206,344
5.00%, 03/15/28	(Call 03/15/23)		2,020		2,275,894
5.00%, 03/15/43	(Call 03/15/23)		4,000		4,430,440


Security		Principal (000s)		Value
Series A-2
5.50%, 03/15/22	(NPFGC)	$	1,500	$	1,706,955
Series B
5.25%, 01/01/24	(Call 07/01/18)		250		253,148
Series B-1
5.00%, 03/15/36	(PR 03/15/19)		2,000		2,074,000
Series C
4.00%, 03/15/47	(Call 09/15/27)		2,000		2,049,440
5.00%, 03/15/19			8,300		8,607,100
5.00%, 03/15/20			1,500		1,602,390
5.00%, 03/15/21			2,000		2,191,360
5.00%, 12/15/21	(Call 12/15/19)		2,000		2,120,680
Series D
5.00%, 03/15/21			4,900		5,368,832
5.00%, 03/15/22			2,000		2,237,300
5.00%, 03/15/23			3,000		3,412,140
5.25%, 01/01/20	(Call 01/01/19)		1,000		1,031,660
5.25%, 01/01/21	(Call 01/01/19)		500		515,915
5.50%, 01/01/19			1,515		1,566,086
5.63%, 01/01/28	(Call 01/01/19)		1,245		1,287,840
Series E
5.00%, 03/15/21			2,370		2,596,762
5.00%, 03/15/24	(Call 03/15/23)		2,000		2,278,880
Port Authority of New York & New Jersey RB
4.00%, 12/01/31	(Call 06/01/22)		2,000		2,103,600
4.00%, 12/15/41	(Call 06/15/24)		1,000		1,029,660
4.50%, 09/15/39	(Call 09/15/19)		750		778,680
4.75%, 07/15/31	(Call 07/15/18)		1,870		1,892,683
4.75%, 07/15/33	(Call 07/15/18)		285		288,309
5.00%, 07/15/33	(Call 01/15/21)		2,250		2,434,658
5.00%, 07/15/35	(Call 07/15/20)		730		784,641
5.00%, 09/01/36	(Call 09/01/24)		4,770		5,413,711
5.00%, 09/15/36	(Call 09/15/19)		2,500		2,624,550
5.00%, 07/15/38	(Call 07/15/18)		125		126,678
5.00%, 09/01/39	(Call 09/01/24)		1,915		2,167,340
5.00%, 10/15/39	(Call 10/15/19)		1,000		1,050,830
5.00%, 01/15/41	(Call 01/15/21)		4,390		4,755,380
5.00%, 10/15/47	(Call 04/15/27)		2,365		2,685,292
5.00%, 04/15/57	(Call 04/15/27)		3,000		3,366,060
Series 163
5.00%, 07/15/32	(Call 07/15/20)		1,275		1,372,283
Series 179
5.00%, 12/01/18			2,035		2,089,680


Security		Principal (000s)		Value
5.00%, 12/01/22		$	1,500	$	1,705,695
5.00%, 06/01/33	(Call 12/01/23)		1,000		1,137,040
5.00%, 12/01/38	(Call 12/01/23)		6,615		7,476,075
5.00%, 12/01/43	(Call 12/01/23)		2,500		2,818,300
Series 189
5.00%, 05/01/27	(Call 05/01/25)		1,200		1,393,908
5.00%, 05/01/45	(Call 05/01/25)		2,000		2,242,360
Series 194
4.00%, 10/15/45	(Call 10/15/25)		1,000		1,034,510
5.00%, 10/15/28	(Call 10/15/25)		2,000		2,331,300
5.00%, 10/15/32	(Call 10/15/25)		1,400		1,615,166
5.00%, 10/15/33	(Call 10/15/25)		3,000		3,454,380
5.00%, 10/15/41	(Call 10/15/25)		6,000		6,789,900
5.25%, 10/15/55	(Call 10/15/25)		1,000		1,133,990
Series 198
5.00%, 11/15/46	(Call 11/15/26)		5,190		5,902,950
Series 205
5.00%, 11/15/42	(Call 11/15/27)		5,655		6,487,868
5.00%, 05/15/57	(Call 11/15/27)		2,000		2,257,200
Series 5
5.38%, 03/01/28			2,150		2,535,129
Third Series
5.00%, 07/15/39	(Call 07/15/20)		6,990		7,503,066
6.13%, 06/01/94	(Call 06/01/24)		500		602,600
Sales Tax Asset Receivable Corp. RB
Series A
5.00%, 10/15/18			3,800		3,887,134
5.00%, 10/15/19			2,000		2,113,860
5.00%, 10/15/20			2,500		2,720,525
5.00%, 10/15/25	(Call 10/15/24)		2,000		2,340,480
5.00%, 10/15/28	(Call 10/15/24)		5,000		5,827,750
5.00%, 10/15/30	(Call 10/15/24)		11,250		13,022,662
State of New York GO
Series A
5.00%, 02/15/39	(Call 02/15/19)		1,045		1,077,343
Suffolk County Water Authority RB
4.00%, 06/01/31	(Call 06/01/25)		1,000		1,071,400
Triborough Bridge & Tunnel Authority RB
5.00%, 11/15/43	(Call 05/15/28)		1,000		1,149,010
5.50%, 11/15/21	(NPFGC)		5,000		5,652,000
Series A
0.00%, 11/15/30^a			5,000		3,246,000


Security		Principal (000s)		Value
0.00%, 11/15/31^a		$	2,000	$	1,246,560
0.00%, 11/15/32^a			1,800		1,076,058
5.00%, 11/15/22			3,360		3,808,560
5.00%, 01/01/23	(PR 01/01/22)		810		903,780
5.00%, 01/01/25	(PR 01/01/22)		1,000		1,117,120
5.00%, 01/01/26	(PR 01/01/22)		685		765,227
5.00%, 11/15/26	(Call 05/15/23)		2,000		2,271,700
5.00%, 01/01/27	(PR 01/01/22)		1,070		1,195,318
5.00%, 11/15/27	(Call 05/15/23)		1,000		1,134,800
5.00%, 11/15/37	(PR 05/15/18)		3,450		3,476,392
5.00%, 11/15/42	(Call 05/15/27)		1,000		1,139,040
5.00%, 11/15/46	(Call 05/15/26)		3,900		4,384,809
5.00%, 11/15/47	(Call 05/15/27)		6,125		6,950,527
Series B
0.00%, 11/15/32^a			4,745		2,857,202
5.00%, 11/15/18			1,000		1,025,710
5.00%, 11/15/19			3,000		3,175,800
5.00%, 11/15/20			5,135		5,592,066
5.00%, 11/15/21			30		33,458
5.00%, 11/15/24	(Call 11/15/22)		1,000		1,134,460
5.00%, 11/15/26	(Call 11/15/22)		1,355		1,532,641
5.00%, 11/15/27	(Call 11/15/22)		1,600		1,805,936
5.00%, 11/15/31	(Call 05/15/27)		1,000		1,170,270
5.00%, 11/15/35	(Call 05/15/27)		2,000		2,303,860
5.00%, 11/15/37	(Call 05/15/27)		2,000		2,293,500
5.00%, 11/15/38	(Call 05/15/27)		1,360		1,557,241
Series C
5.00%, 11/15/25			3,000		3,578,040
5.00%, 11/15/33	(PR 11/15/18)		630		646,424
5.00%, 11/15/33	(Call 11/15/18)		390		399,887
5.00%, 11/15/38	(PR 11/15/18)		475		487,383
5.00%, 11/15/38	(Call 11/15/18)		300		307,200
Series D
5.00%, 11/15/27	(PR 11/15/18)		1,540		1,580,148
5.00%, 11/15/27	(Call 11/15/18)		960		983,040
5.00%, 11/15/31	(PR 11/15/18)		1,850		1,898,230
5.00%, 11/15/31	(Call 11/15/18)		1,150		1,176,945
Utility Debt Securitization Authority RB
5.00%, 12/15/33	(Call 12/15/25)		9,440		10,947,946
5.00%, 12/15/36	(Call 12/15/25)		5,250		6,052,777
5.00%, 12/15/37	(Call 12/15/25)		7,780		8,946,144
5.00%, 12/15/39	(Call 12/15/27)		1,300		1,511,835
5.00%, 12/15/40	(Call 12/15/27)		1,200		1,393,332
5.00%, 12/15/41	(Call 12/15/27)		3,000		3,477,840


Security		Principal (000s)		Value
Series A
5.00%, 06/15/28	(Call 06/15/26)	$	2,000	$	2,370,400
Series B
5.00%, 06/15/23	(Call 06/15/21)		1,600		1,766,928
5.00%, 06/15/24	(Call 06/15/22)		3,450		3,882,078
5.00%, 12/15/33	(Call 06/15/26)		450		523,463
Series TE
5.00%, 12/15/30	(Call 12/15/23)		6,500		7,460,700
5.00%, 12/15/35	(Call 12/15/23)		3,000		3,415,470
5.00%, 12/15/41	(Call 12/15/23)		6,585		7,455,142

					1,993,879,361
NORTH CAROLINA — 1.57%
City of Charlotte NC Water & Sewer System Revenue RB
5.00%, 07/01/38	(Call 07/01/18)		2,000		2,026,100
Series B
5.00%, 07/01/38	(Call 07/01/20)		1,000		1,076,500
County of Mecklenburg NC GO
Series C
5.00%, 03/01/18			1,000		1,000,000
County of Wake NC GO
5.00%, 03/01/19			1,000		1,035,530
5.00%, 02/01/20			1,500		1,597,785
Series C
5.00%, 03/01/20			2,785		2,973,795
5.00%, 03/01/21			2,100		2,302,314
5.00%, 03/01/25			1,600		1,886,800
North Carolina Capital Facilities Finance Agency RB
5.00%, 10/01/41	(Call 10/01/25)		1,000		1,125,300
5.00%, 10/01/55	(Call 10/01/25)		4,500		4,977,450
Series B
5.00%, 07/01/42	(Call 10/01/26)		2,000		2,302,220
North Carolina Eastern Municipal Power Agency RB
Series A
4.50%, 01/01/24	(PR 01/01/22)		500		538,655
5.00%, 01/01/21	(ETM)		3,165		3,444,121
Series B
5.00%, 01/01/21	(ETM)		4,090		4,462,558
5.00%, 01/01/26	(PR 01/01/19)		10,405		10,716,526
6.00%, 01/01/22	(ETM)		390		448,793
Series D
5.00%, 01/01/23	(PR 07/01/22)		5,000		5,634,650


Security		Principal (000s)		Value
North Carolina Municipal Power Agency No. 1 RB
5.00%, 01/01/19	(ETM)	$	625	$	643,712
5.00%, 01/01/19			1,670		1,718,731
Series A
5.00%, 01/01/27	(Call 01/01/26)		1,000		1,156,740
North Carolina Turnpike Authority RB
5.00%, 07/01/41	(Call 07/01/21)		1,500		1,637,655
Raleigh Durham Airport Authority RB
Series A
5.00%, 05/01/32	(Call 05/01/20)		630		670,503
State of North Carolina GO
Series 2013-D
4.00%, 06/01/20			5,570		5,867,605
Series A
5.00%, 03/01/18			940		940,000
5.00%, 06/01/22			7,900		8,901,404
5.00%, 06/01/23			2,500		2,870,425
5.00%, 06/01/25			3,800		4,500,682
5.00%, 06/01/26			3,420		4,098,596
5.00%, 06/01/27	(Call 06/01/26)		6,940		8,254,020
Series B
5.00%, 06/01/18			1,000		1,009,250
5.00%, 06/01/19			1,000		1,043,830
Series C
4.00%, 05/01/21			1,000		1,069,900
5.00%, 05/01/19			1,000		1,041,040
5.00%, 05/01/20			3,160		3,389,637
5.00%, 05/01/22			1,800		2,024,640
Series E
5.00%, 05/01/18			1,000		1,006,150
5.00%, 05/01/19			2,450		2,550,548
State of North Carolina RB
5.00%, 03/01/18			500		500,000
5.00%, 03/01/20			2,000		2,131,100
5.00%, 03/01/21			2,500		2,730,875
5.00%, 03/01/22			2,500		2,785,725
5.00%, 03/01/24			2,000		2,303,320
5.00%, 03/01/30	(Call 03/01/25)		2,000		2,280,560
5.25%, 03/01/20	(PR 03/01/19)		1,120		1,161,989


Security		Principal (000s)		Value
Series A
5.00%, 05/01/29	(PR 05/01/20) (SAP)	$	1,500	$	1,609,335
Series B
5.00%, 11/01/18			1,000		1,024,430
5.00%, 11/01/20			1,150		1,250,602
5.00%, 11/01/23	(Call 11/01/21)		795		884,191
5.00%, 05/01/25			5,000		5,886,800
5.00%, 06/01/26			1,000		1,190,980
5.00%, 05/01/27			2,000		2,399,920
5.00%, 05/01/28	(Call 05/01/27)		5,000		5,968,200
Series C
5.00%, 05/01/21			2,500		2,750,575
5.00%, 05/01/27	(Call 05/01/24)		1,500		1,709,265
5.00%, 05/01/30	(PR 05/01/21)		1,000		1,100,560
Town of Cary NC Combined Utility Systems Revenue RB
5.00%, 12/01/42	(PR 12/01/22)		1,000		1,138,590

					142,751,182
OHIO — 0.88%
Cincinnati City School District GO
5.25%, 12/01/25	(NPFGC-FGIC)		20		23,789
5.25%, 12/01/30	(NPFGC-FGIC)		1,000		1,233,250
City of Columbus OH GO
Series 1
5.00%, 07/01/20			1,000		1,076,980
5.00%, 07/01/21			1,000		1,103,310
Series 2017-1
5.00%, 04/01/24			1,570		1,822,770
City of Columbus OH Sewerage Revenue RB
5.00%, 06/01/28	(Call 12/01/24)		2,000		2,304,580
5.00%, 06/01/32	(Call 06/01/26)		2,525		2,917,360
County of Hamilton OH Sales Tax Revenue RB
Series A
5.00%, 12/01/30	(Call 12/01/26)		1,000		1,153,660
Northeast Ohio Regional Sewer District RB
4.00%, 11/15/49	(Call 11/15/24)		8,560		8,721,014
Ohio State University (The) RB
Series A
4.00%, 06/01/43	(Call 06/01/23)		1,000		1,024,700


Security		Principal (000s)		Value
5.00%, 06/01/38	(Call 06/01/23)	$	1,100	$	1,218,987
5.00%, 06/01/43	(Call 06/01/23)		2,000		2,208,100
Ohio Turnpike & Infrastructure Commission RB
0.00%, 02/15/34	(Call 02/15/31)^a		2,145		2,043,906
4.00%, 02/15/46	(Call 02/15/28)		6,795		6,917,921
5.00%, 02/15/48	(Call 02/15/23)		6,500		7,072,260
5.25%, 02/15/33	(Call 02/15/23)		1,000		1,117,460
Series A
5.00%, 02/15/31	(PR 02/15/20)		1,500		1,598,850
5.00%, 02/15/33	(Call 02/15/28)		2,000		2,313,980
Series A-2
0.00%, 02/15/37^a			6,880		3,247,842
0.00%, 02/15/40^a			2,500		1,030,075
0.00%, 02/15/41^a			7,095		2,795,004
Ohio University RB
Series A
5.00%, 12/01/44	(Call 06/01/27)		2,000		2,258,760
Ohio Water Development Authority Water Pollution Control Loan Fund RB
Series A
5.00%, 12/01/21	(PR 12/01/19)		1,000		1,059,400
State of Ohio GO
5.38%, 09/01/28	(PR 03/01/18)		1,970		1,970,000
Series A
5.00%, 09/15/22			2,055		2,323,917
5.00%, 12/15/23			2,500		2,887,100
5.00%, 09/15/24			2,500		2,915,700
5.00%, 09/01/25			2,800		3,303,104
Series B
5.00%, 09/15/26			2,500		2,981,950
Series C
5.00%, 09/15/21			4,000		4,436,600
Series U
5.00%, 05/01/27			2,000		2,396,300

					79,478,629
OKLAHOMA — 0.30%
Grand River Dam Authority RB
Series A
5.00%, 06/01/27	(PR 06/01/18) (BHAC)		1,515		1,528,938
5.00%, 06/01/29	(Call 12/01/26)		5,365		6,297,598


Security		Principal (000s)		Value
5.00%, 06/01/39	(Call 06/01/24)	$	2,000	$	2,250,500
5.25%, 06/01/40	(PR 06/01/20)		500		539,420
Oklahoma Municipal Power Authority RB
Series A
4.00%, 01/01/47	(Call 01/01/23)		2,025		2,063,252
Oklahoma Turnpike Authority RB
Series A
4.00%, 01/01/47	(Call 01/01/26)		2,000		2,054,080
5.00%, 01/01/19			1,000		1,029,440
5.00%, 01/01/20			3,500		3,715,705
5.00%, 01/01/22	(Call 01/01/21)		1,000		1,086,450
5.00%, 01/01/42	(Call 01/01/26)		2,000		2,243,120
Series B
5.00%, 01/01/29	(PR 01/01/21)		500		545,545
Series C
5.00%, 01/01/47	(Call 01/01/27)		1,955		2,204,517
University of Oklahoma (The) RB Series C
4.00%, 07/01/45	(Call 07/01/25)		2,000		2,057,560

					27,616,125
OREGON — 0.52%
City of Portland OR Sewer System Revenue RB
Series A
5.00%, 06/01/21			1,000		1,103,470
5.00%, 03/01/35	(Call 03/01/20)		1,000		1,060,880
Series B
5.00%, 06/15/22			2,000		2,252,240
Clackamas County School District No. 12 North Clackamas GO
Series B
5.00%, 06/15/37	(Call 06/15/27) (GTD)		1,480		1,707,905
Oregon Health & Science University RB
Series B
4.00%, 07/01/46	(Call 07/01/26)		2,000		2,048,360
Oregon State Lottery RB
Series A
5.25%, 04/01/26	(PR 04/01/19)		3,475		3,616,780
Series C
5.00%, 04/01/25	(Call 04/01/24)		8,975		10,381,203


Security		Principal (000s)		Value
Series D
5.00%, 04/01/29	(Call 04/01/25)	$	2,000	$	2,318,360
State of Oregon Department of Transportation RB
Series A
5.00%, 11/15/28	(Call 11/15/24)		2,500		2,901,825
5.00%, 11/15/29	(Call 11/15/24)		1,000		1,157,380
5.00%, 11/15/31	(Call 11/15/24)		1,500		1,731,045
5.00%, 11/15/33	(PR 05/15/19)		1,070		1,115,240
State of Oregon GO
Series A
5.00%, 05/01/42	(Call 05/01/27)		3,500		4,032,840
Series L
5.00%, 08/01/42	(Call 08/01/27)		2,910		3,363,494
Washington & Multnomah Counties School District No. 48J Beaverton GO
Series D
0.00%, 06/15/35	(Call 06/15/27)^a		2,500		2,830,125
0.00%, 06/15/36	(Call 06/15/27)^a		2,500		2,823,650
Washington County School District No. 1 West Union GO
5.00%, 06/15/38	(Call 06/15/27) (GTD)		2,250		2,594,520

					47,039,317
PENNSYLVANIA — 3.22%
City of Philadelphia PA Airport Revenue RB
Series A
5.00%, 06/15/40	(Call 06/15/20)		500		528,735
5.00%, 07/01/47	(Call 07/01/27)		1,000		1,119,320
City of Philadelphia PA GO
Series A
5.00%, 08/01/26			1,500		1,726,395
City of Philadelphia PA Water & Wastewater Revenue RB
Series A
5.00%, 07/01/45	(Call 07/01/24)		2,000		2,215,620
5.00%, 10/01/47	(Call 10/01/27)		2,000		2,238,900
5.00%, 10/01/52	(Call 10/01/27)		1,000		1,110,850
Series C
5.00%, 08/01/40	(Call 08/01/20) (AGM)		1,000		1,063,270


Security		Principal (000s)		Value
Commonwealth of Pennsylvania GO
4.00%, 03/15/34	(Call 03/15/25)	$	2,000	$	2,077,060
5.00%, 03/15/20			3,000		3,189,810
5.00%, 07/01/22			1,000		1,110,650
5.00%, 03/15/31	(Call 03/15/25)		4,400		4,939,572
First Series
4.00%, 01/01/30	(Call 01/01/27)		3,000		3,159,630
4.00%, 06/15/33	(Call 06/15/24)		1,000		1,038,830
5.00%, 07/01/18			2,805		2,839,249
5.00%, 07/01/19			1,000		1,044,970
5.00%, 06/01/20			1,000		1,069,450
5.00%, 03/15/21			2,000		2,171,560
5.00%, 08/15/22			2,500		2,782,975
5.00%, 11/15/22	(PR 11/15/21)		2,600		2,900,638
5.00%, 01/01/23			2,500		2,788,675
5.00%, 03/15/23			2,000		2,238,220
5.00%, 04/01/23			1,000		1,120,080
5.00%, 08/15/23			2,930		3,301,202
5.00%, 01/01/24			1,500		1,692,675
5.00%, 06/15/24			2,000		2,271,660
5.00%, 08/15/24			2,000		2,275,780
5.00%, 09/15/24			4,000		4,555,560
5.00%, 11/15/24	(PR 11/15/21)		2,000		2,231,260
5.00%, 04/01/25	(PR 04/01/23)		5,000		5,715,950
5.00%, 08/15/25			3,000		3,438,960
5.00%, 01/01/26			2,000		2,293,760
5.00%, 03/15/26	(Call 03/15/25)		1,565		1,789,922
5.00%, 09/15/26			2,340		2,701,553
5.00%, 10/15/26	(Call 10/15/23)		1,000		1,129,720
5.00%, 01/01/27			2,000		2,306,540
5.00%, 06/01/27	(PR 06/01/22)		2,000		2,253,520
5.00%, 01/01/28	(Call 01/01/27)		12,000		13,769,040
5.00%, 11/15/29	(PR 11/15/21)		2,000		2,231,260
Second Series
4.00%, 09/15/30	(Call 09/15/26)		5,000		5,273,700
5.00%, 07/01/18			4,185		4,236,099
5.00%, 08/01/18	(Call 04/02/18)		1,000		1,002,950
5.00%, 05/01/19			780		811,364
5.00%, 07/01/19			1,475		1,541,331
5.00%, 05/01/20			755		805,532
5.00%, 07/01/20			1,255		1,345,034
5.00%, 05/01/21	(PR 05/01/20)		1,500		1,609,335
5.00%, 07/01/21			500		546,560
5.00%, 09/15/21			3,500		3,842,895


Security		Principal (000s)		Value
5.00%, 01/15/22		$	2,300	$	2,532,185
5.00%, 10/15/23			1,000		1,129,720
5.00%, 01/15/25			1,365		1,555,090
5.00%, 09/15/27	(Call 09/15/26)		4,000		4,579,040
5.00%, 10/15/29	(Call 10/15/23)		1,900		2,130,584
5.00%, 10/15/30	(Call 10/15/23)		1,000		1,120,250
5.00%, 10/15/32	(Call 10/15/23)		2,500		2,792,325
Series D
4.00%, 08/15/33	(Call 08/15/25)		3,000		3,133,680
Series T
5.00%, 07/01/21			1,000		1,093,120
5.00%, 07/01/22			1,700		1,888,105
County of Chester PA GO
5.00%, 07/15/28	(PR 07/15/19)		1,115		1,166,435
5.00%, 07/15/28	(Call 07/15/19)		295		308,897
Delaware River Joint Toll Bridge Commission RB
5.00%, 07/01/47	(Call 07/01/27)		3,000		3,375,780
Delaware River Port Authority RB
5.00%, 01/01/33	(Call 01/01/24)		2,000		2,222,600
5.00%, 01/01/40	(Call 01/01/24)		1,515		1,667,394
Series D
5.00%, 01/01/35	(Call 01/01/20)		3,875		4,082,816
5.00%, 01/01/40	(Call 01/01/20) (AGM)		500		527,930
Delaware Valley Regional Finance Authority RB
Series A
5.50%, 08/01/28	(AMBAC)		610		719,776
Pennsylvania Economic Development Financing Authority RB
5.00%, 01/01/21	(Call 01/01/19)		5,185		5,333,239
Series A
5.00%, 07/01/19			3,835		4,013,174
Series B
5.00%, 07/01/21	(Call 03/21/18)		795		804,047
Pennsylvania Higher Educational Facilities Authority RB
5.00%, 09/01/45	(Call 03/01/25)		3,525		3,862,096
Series A
5.00%, 05/01/31	(PR 05/01/21)		660		725,300
5.00%, 05/01/31	(Call 05/01/21)		40		43,060


Security		Principal (000s)		Value
Pennsylvania State University RB
Series A
5.00%, 09/01/47	(Call 09/01/27)	$	4,650	$	5,314,439
Pennsylvania Turnpike Commission RB
0.00%, 12/01/37	(Call 12/01/26)^a		2,000		1,798,200
0.00%, 12/01/37	(Call 12/01/35)^a		2,500		1,815,275
5.00%, 06/01/20			2,000		2,137,540
5.00%, 12/01/34	(Call 12/01/24)		3,000		3,363,900
5.00%, 12/01/38	(PR 12/01/19)		2,500		2,646,275
5.50%, 12/01/34	(PR 12/01/20)		500		550,673
6.00%, 12/01/36	(PR 12/01/20)		1,500		1,664,235
Second Series
5.00%, 12/01/35	(Call 12/01/27)		3,500		3,878,385
Series A
5.00%, 12/01/30	(Call 12/01/26)		1,835		2,073,238
5.00%, 12/01/37	(Call 12/01/22)		1,120		1,231,910
5.00%, 12/01/42	(PR 12/01/21)		175		195,066
5.00%, 12/01/42	(Call 12/01/21)		825		887,279
5.00%, 12/01/44	(Call 12/01/24)		6,495		7,203,280
Series A-1
5.00%, 12/01/26	(Call 06/01/25)		1,000		1,146,890
5.00%, 06/01/38	(PR 06/01/18) (AGM)		500		504,540
5.00%, 12/01/38	(Call 12/01/24)		1,500		1,634,100
5.00%, 12/01/40	(Call 06/01/25)		2,000		2,213,400
5.00%, 12/01/42	(Call 12/01/27)		2,500		2,783,275
5.00%, 12/01/43	(Call 12/01/22)		1,040		1,127,516
5.00%, 12/01/46	(Call 06/01/26)		15,635		17,289,808
5.00%, 12/01/47	(Call 12/01/27)		1,500		1,663,455
Series B
5.00%, 12/01/24	(Call 12/01/19)		500		528,095
5.00%, 06/01/29	(PR 06/01/19)		2,000		2,086,120
5.00%, 12/01/40	(Call 12/01/25)		2,000		2,219,120
5.00%, 12/01/45	(Call 12/01/25)		4,500		4,927,880
5.25%, 06/01/24	(PR 06/01/19)		575		601,531
5.25%, 06/01/39	(PR 06/01/19)		2,780		2,908,269
5.75%, 06/01/39	(PR 06/01/19)		5,250		5,524,523
Series B-1
5.00%, 06/01/42	(Call 06/01/27)		2,000		2,182,280
Series B-2
5.00%, 06/01/28	(Call 06/01/27)		2,500		2,857,625
5.00%, 06/01/32	(Call 06/01/27)		2,500		2,798,125


Security		Principal (000s)		Value
Series C
5.00%, 12/01/39	(Call 12/01/24)	$	1,500	$	1,669,350
5.00%, 12/01/43	(Call 12/01/23)		6,000		6,529,740
5.00%, 12/01/44	(Call 12/01/24)		3,000		3,327,150
Series D
5.13%, 12/01/40	(PR 12/01/19)		2,100		2,225,496
5.50%, 12/01/41	(PR 12/01/19)		10,000		10,661,900
Series E
6.00%, 12/01/30	(Call 12/01/27)		710		867,968
6.38%, 12/01/38	(Call 12/01/27)		1,265		1,551,345
Philadelphia Gas Works Co. RB
5.00%, 08/01/47	(Call 08/01/27)		1,500		1,670,175
State Public School Building Authority RB
5.00%, 06/01/31	(Call 12/01/26) (AGM)		2,000		2,197,380
5.50%, 06/01/28	(AGM)		470		552,104
Westmoreland County Municipal Authority RB
5.00%, 08/15/37	(PR 08/15/23)		1,000		1,149,220

					292,412,339
RHODE ISLAND — 0.13%
Rhode Island Commerce Corp. RB
Series A
5.00%, 06/15/23			2,000		2,277,960
5.25%, 06/15/19	(ETM) (AGM)		1,200		1,257,864
Series B
5.00%, 06/15/26			2,500		2,950,700
5.00%, 06/15/31	(Call 06/15/26)		2,500		2,860,375
Rhode Island Health & Educational Building Corp. RB
Series A
5.00%, 09/01/29	(Call 09/01/27)		2,000		2,399,780

					11,746,679
SOUTH CAROLINA — 0.84%
Charleston Educational Excellence Finance Corp. RB
5.00%, 12/01/26	(Call 12/01/23)		4,750		5,390,015
5.00%, 12/01/30	(Call 12/01/23)		2,000		2,253,500
City of Columbia SC Waterworks & Sewer System Revenue RB
Series A
5.00%, 02/01/41	(PR 02/01/21)		500		546,555


Security		Principal (000s)		Value
Greenville County School District RB
4.63%, 12/01/20	(AGC)	$	1,000	$	1,076,760
Piedmont Municipal Power Agency RB
Series A-2
5.00%, 01/01/22	(Call 01/01/21)		1,000		1,076,690
South Carolina Public Service Authority RB
Series A
5.00%, 12/01/31	(Call 06/01/26)		2,000		2,243,640
5.00%, 12/01/36	(Call 06/01/26)		3,000		3,319,800
5.00%, 12/01/37	(Call 06/01/26)		1,365		1,507,424
5.00%, 12/01/49	(Call 06/01/24)		2,000		2,140,280
5.00%, 12/01/50	(Call 06/01/25)		6,500		7,023,900
5.50%, 01/01/38	(PR 01/01/19)		2,600		2,687,438
5.50%, 12/01/54	(Call 06/01/24)		4,000		4,386,400
Series B
5.00%, 12/01/38	(Call 12/01/23)		3,020		3,263,624
5.00%, 12/01/46	(Call 12/01/26)		2,000		2,189,540
5.00%, 12/01/56	(Call 12/01/26)		5,690		6,154,190
Series C
4.00%, 12/01/45	(Call 12/01/24)		1,500		1,477,650
5.00%, 12/01/28	(Call 12/01/24)		1,090		1,219,394
5.00%, 12/01/30	(Call 12/01/24)		1,400		1,551,774
5.00%, 12/01/36	(Call 12/01/21)		1,500		1,597,290
5.00%, 12/01/46	(Call 12/01/24)		1,500		1,615,410
Series E
5.00%, 01/01/40	(PR 01/01/20)		1,950		2,069,457
5.00%, 12/01/48	(Call 12/01/23)		6,350		6,817,741
5.25%, 12/01/55	(Call 12/01/25)		4,000		4,394,280
South Carolina Transportation Infrastructure Bank RB
Series A
4.00%, 10/01/33	(Call 10/01/21)		1,000		1,039,210
5.00%, 10/01/24			1,000		1,157,380
5.25%, 10/01/40	(PR 10/01/19)		500		528,205
Series B
3.38%, 10/01/32	(Call 10/01/22)		1,000		990,310
3.63%, 10/01/33	(Call 10/01/22)		715		715,436
State of South Carolina GO
Series A
4.00%, 04/01/22	(Call 04/01/20)		1,000		1,048,070
5.00%, 06/01/18			1,000		1,009,200


Security		Principal (000s)		Value
5.00%, 06/01/19		$	3,500	$	3,654,280

					76,144,843
TENNESSEE — 0.38%
City of Memphis TN GO
Series A
5.00%, 04/01/26	(Call 04/01/25)		2,000		2,331,040
Series D
5.00%, 07/01/21	(Call 07/01/20)		1,250		1,346,225
County of Shelby TN GO
Series A
5.00%, 03/01/24			1,000		1,158,340
Metropolitan Government of Nashville & Davidson County TN Electric Revenue RB
Series A
5.00%, 05/15/36	(Call 05/15/21)		1,025		1,117,578
Metropolitan Government of Nashville & Davidson County TN GO
5.00%, 07/01/19			750		784,238
5.00%, 07/01/20			2,000		2,153,960
5.00%, 07/01/22			6,725		7,569,660
5.00%, 07/01/23	(PR 07/01/22)		190		214,117
5.00%, 07/01/23	(Call 07/01/22)		810		911,736
Metropolitan Government of Nashville & Davidson County TN Water & Sewer Revenue RB
Series B
5.00%, 07/01/46	(Call 07/01/27)		1,290		1,472,612
State of Tennessee GO
Series A
5.00%, 08/01/18			1,500		1,522,500
5.00%, 08/01/21			1,000		1,107,930
5.00%, 08/01/22			3,500		3,958,815
Tennessee State School Bond Authority RB
5.00%, 11/01/40	(Call 11/01/25)		2,000		2,271,980
5.00%, 11/01/42	(Call 11/01/27) (HERBIP)		3,000		3,467,310
5.00%, 11/01/43	(Call 11/01/22)		2,595		2,892,153

					34,280,194


Security		Principal (000s)		Value
TEXAS — 8.52%
Aldine Independent School District GO
5.00%, 02/15/45	(Call 02/15/27) (PSF)	$	4,000	$	4,546,560
Alvin Independent School District/TX GO
Series B
3.00%, 02/15/33	(Put 08/14/19) (PSF)^b		2,000		2,038,520
Austin Community College District GOL
4.00%, 08/01/40	(Call 08/01/25)		1,500		1,544,610
Central Texas Regional Mobility Authority RB
5.00%, 01/01/40	(Call 01/01/26)		1,000		1,098,320
5.00%, 01/01/42	(Call 01/01/23)		1,560		1,671,696
5.00%, 01/01/46	(Call 01/01/26)		5,925		6,461,035
6.00%, 01/01/41	(PR 01/01/21)		1,000		1,114,200
Series A
5.00%, 01/01/40	(Call 07/01/25)		1,000		1,096,200
5.00%, 01/01/43	(Call 01/01/23)		2,500		2,694,025
5.00%, 01/01/45	(Call 07/01/25)		2,500		2,732,050
Series B
5.00%, 01/01/45	(Put 01/06/21)^b		500		530,915
Central Texas Turnpike System RB
0.00%, 08/15/21	(ETM) (AMBAC)^a		115		107,510
0.00%, 08/15/21	(AMBAC)^a		385		356,622
Series A
5.00%, 08/15/41	(Call 08/15/22)		6,920		7,556,086
Series B
0.00%, 08/15/37	(Call 08/15/24)^a		1,000		432,120
5.00%, 08/15/37	(Call 08/15/24)		1,500		1,659,945
Series C
5.00%, 08/15/33	(Call 08/15/24)		2,000		2,220,660
5.00%, 08/15/34	(Call 08/15/24)		1,500		1,661,805
5.00%, 08/15/37	(Call 08/15/24)		4,520		4,985,334
5.00%, 08/15/42	(Call 08/15/24)		9,900		10,876,833
City of Austin TX Electric Utility Revenue RB
5.00%, 11/15/40	(Call 11/15/22)		1,000		1,108,360
Series A
5.00%, 11/15/45	(Call 11/15/25)		2,000		2,246,860


Security		Principal (000s)		Value
City of Austin TX Water & Wastewater System Revenue RB
5.00%, 11/15/37	(Call 11/15/22)	$	1,000	$	1,117,770
5.00%, 11/15/39	(Call 05/15/24)		2,400		2,688,480
5.00%, 11/15/41	(Call 11/15/21)		1,000		1,100,890
5.00%, 11/15/42	(Call 11/15/27)		1,000		1,148,180
5.00%, 11/15/45	(Call 11/15/26)		1,000		1,136,560
Series A
5.00%, 11/15/39	(PR 11/15/19)		1,000		1,058,080
City of Brownsville TX Utilities System Revenue RB
5.00%, 09/01/31	(Call 04/02/18)		5		5,014
City of Corpus Christi TX Utility System Revenue RB
5.00%, 07/15/45	(Call 07/15/25)		2,000		2,215,220
City of Dallas TX GOL
5.00%, 02/15/23			1,620		1,821,204
5.00%, 02/15/24			1,800		2,053,854
5.00%, 02/15/26	(Call 02/15/24)		2,000		2,258,400
5.00%, 02/15/27	(Call 02/15/24)		1,500		1,692,045
Series A
5.00%, 02/15/20	(ETM)		5		5,320
5.00%, 02/15/20			605		643,545
City of Dallas TX Waterworks & Sewer System Revenue RB
5.00%, 10/01/39	(PR 10/01/20)		150		162,285
5.00%, 10/01/39	(Call 10/01/20)		700		753,102
5.00%, 10/01/40	(Call 10/01/21)		1,500		1,647,090
Series A
5.00%, 10/01/24			1,000		1,166,650
5.00%, 10/01/26	(Call 10/01/25)		1,400		1,644,524
5.00%, 10/01/30	(Call 10/01/26)		3,590		4,185,653
5.00%, 10/01/41	(Call 10/01/26)		5,000		5,674,550
City of Houston TX Airport System Revenue RB
Series A
5.50%, 07/01/34	(Call 07/01/18)		750		759,833
5.50%, 07/01/39	(Call 07/01/18)		3,485		3,530,688
Series B
5.00%, 07/01/26	(Call 07/01/21)		1,400		1,534,162
5.00%, 07/01/31	(Call 07/01/22)		1,500		1,650,375
5.00%, 07/01/32	(Call 07/01/22)		1,000		1,098,950


Security		Principal (000s)		Value
City of Houston TX Combined Utility System Revenue RB
6.00%, 11/15/36	(PR 05/15/19) (AGC)	$	945	$	995,009
6.00%, 11/15/36	(Call 05/15/19) (AGC)		55		57,945
Series A
5.25%, 11/15/28	(Call 11/15/20)		2,035		2,223,868
5.25%, 11/15/31	(Call 11/15/20)		1,000		1,091,420
Series B
4.00%, 11/15/37	(Call 11/15/26)		2,000		2,074,380
5.00%, 11/15/35	(Call 11/15/26)		4,000		4,582,200
5.00%, 11/15/42	(Call 11/15/27)		4,000		4,567,600
5.00%, 11/15/43	(Call 11/15/23)		1,000		1,117,970
Series C
5.00%, 11/15/18			750		769,125
5.00%, 05/15/20			1,725		1,848,682
5.00%, 05/15/22			2,500		2,801,875
5.00%, 05/15/26	(Call 05/15/24)		3,000		3,450,660
5.00%, 05/15/28	(Call 05/15/24)		1,300		1,490,450
Series D
5.00%, 11/15/21			890		988,852
5.00%, 11/15/33	(Call 11/15/21)		1,000		1,102,010
5.00%, 11/15/36	(Call 11/15/21)		2,650		2,914,364
5.00%, 11/15/44	(Call 11/15/24)		2,000		2,259,300
City of Houston TX GOL
Series 2009A
5.00%, 03/01/27	(Call 03/01/19)		105		108,497
Series A
5.00%, 03/01/18			4,100		4,100,000
5.00%, 03/01/19			1,030		1,066,174
5.00%, 03/01/19	(PR 03/01/18)		500		500,000
5.00%, 03/01/20			1,000		1,065,960
5.00%, 03/01/24			2,000		2,292,440
5.00%, 03/01/25			2,350		2,726,634
5.00%, 03/01/26	(Call 03/01/24)		1,540		1,755,030
5.00%, 03/01/27	(PR 03/01/19)		895		925,886
5.00%, 03/01/28	(Call 03/01/27)		1,700		1,989,748
5.25%, 03/01/28	(PR 03/01/18)		3,670		3,670,000
City of San Antonio TX Electric & Gas Systems Revenue RB
3.00%, 12/01/45	(Put 12/01/20)^b		1,000		1,020,660
5.00%, 02/01/21			2,500		2,726,825
5.00%, 02/01/22			9,400		10,482,692


Security		Principal (000s)		Value
5.00%, 02/01/23		$	1,040	$	1,180,618
5.00%, 02/01/44	(Call 02/01/24)		2,550		2,817,138
5.00%, 02/01/47	(Call 08/01/27)		4,850		5,520,803
5.00%, 02/01/48	(Call 02/01/23)		7,500		8,219,925
5.25%, 02/01/24			2,620		3,060,815
5.25%, 02/01/25			1,370		1,626,943
Series D
5.00%, 02/01/19			600		619,596
City of San Antonio TX GOL
5.00%, 02/01/19			1,765		1,822,151
County of Bexar TX GOL
4.00%, 06/15/41	(Call 06/15/26)		2,035		2,113,490
5.00%, 06/15/38	(Call 06/15/24)		2,000		2,250,700
Series A
5.00%, 06/15/41	(Call 06/15/26)		3,000		3,390,180
County of Harris TX GO
Series A
5.00%, 10/01/24	(Call 10/01/22)		1,410		1,588,971
5.00%, 10/01/25			1,000		1,179,210
Series C
5.25%, 08/15/19	(AGM)		1,500		1,581,420
County of Harris TX RB
5.00%, 08/15/38	(PR 08/15/19)		565		592,137
5.00%, 08/15/38	(Call 08/15/19)		435		454,932
Series A
5.00%, 08/15/31	(Call 08/15/26)		2,000		2,304,720
5.00%, 08/15/41	(Call 08/15/26)		3,505		3,949,609
Series C
5.00%, 08/15/24	(PR 08/15/19)		500		524,755
5.00%, 08/15/30	(Call 08/15/22)		3,000		3,344,970
5.00%, 08/15/49	(Call 08/15/19)		1,000		1,043,470
County of Hays TX GOL
4.00%, 02/15/42	(Call 02/15/27)		2,000		2,076,260
Cypress-Fairbanks Independent School District GO
Series B-3
4.00%, 02/15/40	(Put 08/15/19) (PSF)^b		1,000		1,033,590
Series C
4.00%, 02/15/29	(Call 02/15/24) (PSF)		2,000		2,128,480
5.00%, 02/15/44	(Call 02/15/24) (PSF)		5,000		5,552,900


Security		Principal (000s)		Value
Dallas Area Rapid Transit RB
5.00%, 12/01/33	(PR 12/01/18)	$	250	$	256,738
5.25%, 12/01/29	(AMBAC)		1,050		1,292,939
5.25%, 12/01/43	(PR 12/01/18)		1,000		1,028,800
5.25%, 12/01/48	(PR 12/01/18)		1,170		1,203,696
Series A
5.00%, 12/01/25	(Call 12/01/24)		3,015		3,506,626
5.00%, 12/01/46	(Call 12/01/25)		6,630		7,447,678
Dallas Independent School District GO
4.00%, 02/15/31	(Call 02/15/25) (PSF)		1,000		1,068,800
5.00%, 08/15/28	(Call 08/15/22) (PSF)		1,000		1,121,300
5.00%, 08/15/29	(Call 08/15/22) (PSF)		500		559,970
Dallas/Fort Worth International Airport RB
Series A
5.00%, 11/01/42	(Call 11/01/20)		1,000		1,073,910
5.00%, 11/01/45	(Call 11/01/20)		500		536,555
5.25%, 11/01/38	(Call 11/01/20)		500		540,720
Series B
5.00%, 11/01/32	(Call 11/01/20)		1,000		1,076,610
5.00%, 11/01/38	(Call 11/01/22)		1,000		1,103,350
5.00%, 11/01/44	(Call 11/01/22)		1,500		1,648,110
Series C
5.00%, 11/01/45	(Call 11/01/21)		2,000		2,176,140
Series D
5.00%, 11/01/33	(Call 11/01/23)		1,000		1,118,900
5.25%, 11/01/30	(Call 11/01/23)		1,000		1,142,090
Series F
5.13%, 11/01/25	(Call 11/01/23)		1,000		1,142,910
Series G
5.00%, 11/01/33	(Call 11/01/20)		2,000		2,152,140
Denton Independent School District GO
Series A
5.00%, 08/15/40	(Call 08/15/25) (PSF)		2,000		2,265,340
Fort Bend Grand Parkway Toll Road Authority RB
5.00%, 03/01/37	(Call 03/01/22)		1,000		1,101,340


Security		Principal (000s)		Value
Fort Worth Independent School District GO
5.00%, 02/15/28	(Call 02/15/25) (PSF)	$	3,500	$	4,033,505
Grand Parkway Transportation Corp. RB
Series A
5.50%, 04/01/53	(Call 10/01/23)		1,500		1,688,865
Series B
0.00%, 10/01/45	(Call 10/01/28)^a		2,000		1,836,620
5.00%, 04/01/53	(Call 10/01/23)		6,000		6,621,960
Harris County Flood Control District GOL
5.00%, 10/01/26	(Call 10/01/24)		1,025		1,198,543
Series A
5.25%, 10/01/21	(ETM)		285		317,892
5.25%, 10/01/21			1,115		1,247,384
Harris County Flood Control District RB
Series A
5.00%, 10/01/34	(PR 10/01/20)		1,520		1,646,494
5.00%, 10/01/39	(PR 10/01/20)		1,000		1,083,220
Harris County Toll Road Authority (The) RB
Series A
5.00%, 08/15/31	(Call 02/15/28)		2,000		2,355,140
5.00%, 08/15/43	(Call 02/15/28)		2,000		2,291,900
Harris County-Houston Sports Authority RB
Series A
0.00%, 11/15/42	(Call 11/15/31) (AGM)^a		1,250		420,175
0.00%, 11/15/50	(Call 11/15/31) (AGM)^a		2,000		441,240
5.00%, 11/15/28	(Call 11/15/24)		1,390		1,564,792
Houston Community College System GOL
4.00%, 02/15/43	(Call 02/15/23)		5,000		5,126,450
5.00%, 02/15/33	(Call 02/15/23)		2,000		2,234,500
5.00%, 02/15/43	(Call 02/15/23)		5,765		6,401,168
Houston Independent School District GO
Series A
5.00%, 02/15/27	(Call 02/15/26)		2,250		2,637,450


Security		Principal (000s)		Value
Houston Independent School District GOL
5.00%, 02/15/28	(Call 02/15/27) (PSF)	$	1,000	$	1,185,310
Series A
5.00%, 02/15/30	(Call 02/15/26) (PSF)		5,000		5,821,900
Katy Independent School District GO
Series A
5.00%, 02/15/45	(Call 02/15/25) (PSF)		1,500		1,677,000
Klein Independent School District GO
5.00%, 08/01/38	(PR 08/01/18)		215		218,296
5.00%, 08/01/38	(Call 08/01/18)		25		25,366
Leander Independent School District GO
Series A
5.00%, 08/15/40	(Call 08/15/25) (PSF)		1,500		1,690,455
Series D
0.00%, 08/15/36	(PR 08/15/24)^a		410		199,199
0.00%, 08/15/36	(Call 08/15/24)^a		3,590		1,637,830
Lewisville Independent School District GO
Series A
5.00%, 08/15/20	(PSF)		1,135		1,225,164
Series B
5.00%, 08/15/28	(Call 08/15/25)		6,090		7,083,340
Lone Star College System GOL
5.00%, 08/15/33	(PR 08/15/18)		6,000		6,100,680
Lower Colorado River Authority RB
5.00%, 05/15/40	(Call 05/15/20)		1,500		1,588,455
5.00%, 05/15/40	(Call 05/15/25)		5,760		6,347,981
5.00%, 05/15/45	(Call 05/15/25)		3,130		3,432,734
Series A
5.00%, 05/15/35	(Call 05/15/20)		2,000		2,121,040
6.25%, 05/15/28	(PR 05/15/18)		1,500		1,515,224
Metropolitan Transit Authority of Harris County RB
Series A
5.00%, 11/01/36	(Call 11/01/21)		1,000		1,101,730
5.00%, 11/01/41	(Call 11/01/21)		1,000		1,099,500


Security		Principal (000s)		Value
Midland County Fresh Water Supply District No. 1 RB
Series A
0.00%, 09/15/34	(Call 09/15/27)^a	$	1,250	$	649,150
North East Independent School District/TX GO
5.25%, 02/01/27	(PSF)		530		642,503
North Texas Municipal Water District Water System Revenue RB
5.00%, 09/01/38	(PR 09/01/18)		1,700		1,731,331
North Texas Tollway Authority RB
0.00%, 01/01/33^a			3,450		2,023,563
0.00%, 01/01/37	(AGM)^a		3,250		1,573,292
0.00%, 09/01/43	(PR 09/01/31)^a		500		541,910
6.00%, 01/01/34	(PR 01/01/21)		1,000		1,117,130
6.00%, 01/01/38	(PR 01/01/19) (AGC-ICC)		500		518,870
6.00%, 01/01/43	(PR 01/01/21)		250		279,283
Series A
4.00%, 01/01/37	(Call 01/01/27)		500		517,675
4.00%, 01/01/43	(Call 01/01/28)		3,615		3,679,636
5.00%, 01/01/20			2,120		2,247,094
5.00%, 01/01/22			1,800		2,002,338
5.00%, 01/01/23			6,375		7,226,126
5.00%, 01/01/24	(Call 01/01/23)		500		564,790
5.00%, 01/01/25	(Call 01/01/24)		1,000		1,135,400
5.00%, 01/01/26	(Call 01/01/24)		3,000		3,399,240
5.00%, 01/01/26	(Call 01/01/23)		2,235		2,508,251
5.00%, 01/01/27	(Call 01/01/24)		5,000		5,648,050
5.00%, 01/01/30	(Call 01/01/26)		8,375		9,573,546
5.00%, 01/01/32	(Call 01/01/25)		7,000		7,817,320
5.00%, 01/01/33	(Call 01/01/25)		2,000		2,225,720
5.00%, 01/01/34	(Call 01/01/27)		1,000		1,135,820
5.00%, 01/01/35			1,000		1,190,930
5.00%, 01/01/36	(Call 01/01/27)		1,000		1,130,080
5.00%, 01/01/38	(Call 01/01/25)		3,455		3,798,116
5.00%, 01/01/38	(Call 01/01/23)		1,000		1,100,140
5.00%, 01/01/39	(Call 01/01/26)		2,500		2,789,225
5.00%, 01/01/39	(Call 01/01/28)		3,500		3,967,600
5.00%, 01/01/43	(Call 01/01/28)		5,000		5,641,250
5.00%, 01/01/48	(Call 01/01/28)		6,100		6,855,241
5.50%, 09/01/36	(PR 09/01/21)		2,520		2,831,018
6.00%, 01/01/28	(PR 01/01/19)		820		850,258


Security		Principal (000s)		Value
6.00%, 01/01/28	(Call 01/01/19)	$	190	$	196,753
6.25%, 01/01/39	(PR 01/01/19)		810		841,550
6.25%, 01/01/39	(Call 01/01/19)		190		196,756
Series B
0.00%, 09/01/37	(PR 09/01/31)^a		1,620		691,108
0.00%, 09/01/43	(PR 09/01/31)^a		2,500		679,750
5.00%, 01/01/24	(Call 01/01/23)		500		563,565
5.00%, 01/01/26	(Call 01/01/23)		150		167,975
5.00%, 01/01/29	(Call 01/01/25)		150		170,183
5.00%, 01/01/31	(Call 01/01/24)		2,000		2,223,740
5.00%, 01/01/31	(Call 01/01/26)		200		226,678
5.00%, 01/01/34	(Call 01/01/25)		4,750		5,304,610
5.00%, 01/01/38	(Call 01/01/21)		1,000		1,069,290
5.00%, 01/01/40	(Call 01/01/23)		7,500		8,159,025
5.00%, 01/01/42	(Call 01/01/22)		6,850		7,409,028
5.00%, 01/01/43	(Call 01/01/27)		1,750		1,950,655
5.00%, 01/01/48	(Call 01/01/27)		1,750		1,922,725
Series C
0.00%, 09/01/45	(PR 09/01/31)^a		500		592,940
1.95%, 01/01/38	(Put 01/01/19)^b		1,000		1,000,500
5.25%, 01/01/44	(Call 01/01/19)		2,300		2,358,121
6.00%, 01/01/25	(PR 01/01/19)		815		845,074
6.00%, 01/01/25	(Call 01/01/19)		185		191,669
Series D
0.00%, 01/01/31	(AGM)^a		965		622,193
0.00%, 01/01/34	(AGM)^a		2,900		1,620,578
5.00%, 09/01/24	(PR 09/01/21)		700		774,592
5.00%, 09/01/30	(PR 09/01/21)		1,175		1,300,208
5.00%, 09/01/32	(PR 09/01/21)		4,770		5,278,291
Series K-1
5.75%, 01/01/38	(PR 01/01/19) (AGM)		500		517,845
Pasadena Independent School District GO
4.00%, 02/15/44	(Call 02/15/28) (PSF)		1,250		1,306,413
Permanent University Fund – University of Texas System RB
5.00%, 07/01/41	(Call 07/01/23)		2,000		2,239,540
Series B
5.00%, 07/01/25	(Call 07/01/24)		1,000		1,165,880


Security		Principal (000s)		Value
Plano Independent School District GO
Series B
5.00%, 02/15/20	(PSF)	$	3,000	$	3,195,900
5.00%, 02/15/21	(PSF)		2,000		2,182,620
Richardson Independent School District GO
5.00%, 02/15/42	(Call 02/15/26) (PSF)		6,930		7,872,549
Round Rock Independent School District GO
5.00%, 08/01/33	(Call 08/01/18)		500		507,355
San Antonio Independent School District/TX GO
5.00%, 02/15/24	(PSF)		2,500		2,887,025
San Antonio Public Facilities Corp. RB
4.00%, 09/15/32	(Call 09/15/22)		1,500		1,567,050
4.00%, 09/15/42	(Call 09/15/22)		6,600		6,812,784
San Antonio Water System RB
5.00%, 05/15/27	(Call 05/15/22)		1,000		1,115,620
Series B
2.00%, 05/01/44	(Put 11/01/22)^b		1,200		1,189,404
Series C
5.00%, 05/15/34	(Call 11/15/26)		1,220		1,399,584
5.00%, 05/15/46	(Call 11/15/26)		1,220		1,375,721
Spring Independent School District GO
5.00%, 08/15/33	(Call 03/07/18)		775		775,419
State of Texas GO
4.00%, 10/01/33	(Call 04/01/24)		1,200		1,264,176
4.75%, 04/01/37	(PR 04/01/18)		1,520		1,524,408
5.00%, 04/01/19			7,000		7,267,680
5.00%, 04/01/20			7,330		7,837,896
5.00%, 10/01/21			1,000		1,109,370
5.00%, 04/01/22			5,145		5,755,403
5.00%, 04/01/23	(PR 04/01/18)		2,465		2,472,641
5.00%, 04/01/24	(PR 04/01/18)		6,000		6,018,600
5.00%, 04/01/26	(PR 04/01/18)		2,255		2,261,983
5.00%, 04/01/27	(Call 04/01/24)		2,000		2,281,600
5.00%, 04/01/27	(PR 04/01/18)		1,300		1,304,021
5.00%, 10/01/27	(Call 04/01/24)		4,000		4,563,200
5.00%, 04/01/28	(Call 04/01/24)		2,000		2,277,960
5.00%, 10/01/33	(Call 10/01/27)		9,800		11,492,558


Security		Principal (000s)		Value
5.00%, 04/01/35	(Call 04/01/24)	$	1,660	$	1,876,713
5.00%, 04/01/36	(Call 04/01/22)		1,500		1,647,030
5.00%, 04/01/36	(Call 04/01/24)		1,000		1,129,950
5.00%, 10/01/36	(Call 10/01/25)		1,995		2,278,230
5.00%, 04/01/42	(Call 04/01/22)		3,000		3,280,620
5.00%, 04/01/44	(Call 04/01/26)		2,045		2,325,492
Series A
4.00%, 10/01/31	(Call 10/01/24)		2,000		2,134,600
4.00%, 10/01/44	(Call 10/01/24)		2,000		2,077,360
5.00%, 10/01/18			2,155		2,201,462
5.00%, 10/01/21			1,200		1,331,244
5.00%, 10/01/22			1,000		1,130,200
5.00%, 10/01/23			1,000		1,149,100
5.00%, 10/01/24			7,610		8,873,108
5.00%, 10/01/28	(Call 10/01/24)		5,000		5,747,500
5.00%, 10/01/30	(Call 10/01/27)		2,000		2,374,840
5.00%, 10/01/44	(Call 10/01/24)		16,150		18,240,294
Series B
5.00%, 10/01/32	(Call 10/01/27)		2,500		2,945,500
Series D
4.00%, 05/15/45	(Call 05/15/25)		2,000		2,076,020
Tarrant Regional Water District RB
5.00%, 03/01/37	(Call 03/01/22)		3,000		3,316,110
Texas A&M University RB
Series E
5.00%, 05/15/25			500		586,945
Texas State University System RB
Series A
5.00%, 03/15/21			1,000		1,094,440
5.00%, 03/15/28	(Call 03/15/27)		6,550		7,744,982
5.00%, 03/15/31	(Call 03/15/27)		1,900		2,211,866
Texas Transportation Commission State Highway Fund RB
4.00%, 10/01/18			9,825		9,977,877
5.00%, 04/01/20			4,000		4,273,760
5.00%, 10/01/20			500		541,610
5.00%, 10/01/21			6,300		6,986,700
5.00%, 10/01/26			2,905		3,465,142
Series A
5.00%, 04/01/18			1,600		1,604,800
5.00%, 10/01/18			2,500		2,553,300
5.00%, 10/01/19			1,500		1,582,410
5.00%, 04/01/22			4,550		5,091,723
5.00%, 04/01/23			5,020		5,720,591
5.00%, 10/01/24			4,525		5,285,109


Security		Principal (000s)		Value
Texas Water Development Board RB
Series A
4.00%, 10/15/33	(Call 10/15/27)	$	2,000	$	2,145,240
4.00%, 10/15/34	(Call 10/15/25)		3,000		3,173,550
4.00%, 10/15/34	(Call 10/15/27)		1,000		1,066,620
4.00%, 10/15/45	(Call 10/15/25)		2,000		2,070,380
4.00%, 10/15/47	(Call 10/15/27)		3,755		3,888,453
5.00%, 04/15/24			5,500		6,370,265
5.00%, 04/15/29	(Call 10/15/27)		1,000		1,189,940
5.00%, 10/15/31	(Call 10/15/25)		2,000		2,299,960
5.00%, 10/15/31	(Call 10/15/27)		1,000		1,177,900
5.00%, 10/15/40	(Call 10/15/25)		1,890		2,136,078
5.00%, 10/15/47	(Call 10/15/27)		2,500		2,854,400
Trinity River Authority Central Regional Wastewater System Revenue RB
5.00%, 08/01/28	(Call 08/01/27)		2,000		2,380,080
Tyler Independent School District GO
4.00%, 02/15/47	(Call 02/15/27) (PSF)		1,600		1,658,512
University of Texas System (The) RB
Series A
5.00%, 08/15/22			1,000		1,127,650
Series B
5.00%, 08/15/18			1,000		1,016,780
5.00%, 08/15/19			1,000		1,050,100
5.00%, 08/15/21			2,445		2,703,168
5.00%, 08/15/26			6,000		7,156,620
5.00%, 08/15/43	(Call 08/15/22)		1,000		1,105,610
5.38%, 08/15/23			1,500		1,749,315
Series D
5.00%, 08/15/21			600		663,354
5.00%, 08/15/24			2,200		2,562,890
5.00%, 08/15/25			3,910		4,611,610
Series E
5.00%, 08/15/26			1,500		1,789,155
Series F
5.00%, 08/15/47			2,000		2,510,040
Series J
5.00%, 08/15/25			1,600		1,887,104
5.00%, 08/15/26			2,000		2,385,540


Security		Principal (000s)		Value
Ysleta Independent School District GO
5.00%, 08/15/47	(Call 08/15/26) (PSF)	$	2,940	$	3,308,323

					773,726,816
UTAH — 0.63%
Intermountain Power Agency RB
Series A
5.00%, 07/01/21	(Call 07/01/18)		1,000		1,011,270
5.00%, 07/01/22	(Call 07/01/18)		1,675		1,693,760
Salt Lake City Corp. Airport Revenue RB
Series B
5.00%, 07/01/47	(Call 07/01/27)		2,000		2,257,340
State of Utah GO
5.00%, 07/01/23			1,500		1,724,775
5.00%, 07/01/25	(Call 01/01/25)		2,000		2,346,380
Series 2011-A
5.00%, 07/01/24	(PR 07/01/21)		5,000		5,526,800
Series A
5.00%, 07/01/20	(PR 07/01/18)		3,000		3,036,720
5.00%, 07/01/20			4,380		4,722,384
5.00%, 07/01/21	(PR 07/01/18)		3,000		3,036,720
5.00%, 07/01/22	(PR 07/01/21)		1,040		1,149,574
5.00%, 07/01/26	(PR 07/01/21)		1,830		2,022,809
Series C
5.00%, 07/01/18			2,700		2,733,426
University of Utah (The) RB
Series A
5.00%, 08/01/43	(PR 08/01/23)		3,000		3,452,910
Utah Transit Authority RB
5.00%, 06/15/42	(PR 06/15/22)		600		674,094
5.00%, 06/15/42	(Call 06/15/22)		880		959,878
Series A
4.75%, 06/15/32	(PR 06/15/18) (AGM)		3,210		3,241,907
5.00%, 06/15/24			4,000		4,648,960
5.00%, 06/15/24	(PR 06/15/18)		1,835		1,854,543
5.00%, 06/15/28	(PR 06/15/18)		1,275		1,288,579
5.00%, 06/15/32	(PR 06/15/18) (AGM)		1,500		1,515,975
5.00%, 06/15/36	(PR 06/15/18) (AGM)		1,900		1,920,235
5.00%, 06/15/38	(Call 06/15/25)		5,500		6,230,290

					57,049,329


Security		Principal (000s)		Value
VERMONT — 0.01%
University of Vermont & State Agricultural College RB
5.00%, 10/01/40	(Call 10/01/25)	$	1,000	$	1,122,430

					1,122,430
VIRGINIA — 1.41%
Chesapeake Bay Bridge & Tunnel District RB
Series 2016
5.00%, 07/01/41	(Call 07/01/26)		3,000		3,336,360
City of Richmond VA Public Utility RB
Series A
5.00%, 01/15/43	(Call 01/15/23)		2,000		2,220,080
City of Richmond VA RB
5.00%, 01/15/32	(Call 01/15/26)		2,020		2,339,584
Series A
5.00%, 01/15/29	(Call 01/15/26)		2,000		2,342,660
Commonwealth of Virginia GO
Series B
5.00%, 06/01/26	(Call 06/01/25) (SAW)		3,000		3,548,760
Series D
5.00%, 06/01/18			500		504,650
5.00%, 06/01/19			1,000		1,043,830
County of Fairfax VA GO
Series A
4.00%, 10/01/27	(Call 04/01/26)		8,785		9,696,268
Series B
5.00%, 10/01/22	(SAW)		1,000		1,134,890
5.00%, 04/01/23	(SAW)		1,000		1,144,230
County of Loudoun VA GO
Series B
5.00%, 11/01/19			4,500		4,756,230
Hampton Roads Sanitation District RB
5.00%, 04/01/38	(PR 04/01/18)		375		376,178
University of Virginia RB
5.00%, 06/01/40	(PR 06/01/18)		9,560		9,650,438
Series A
5.00%, 04/01/39	(Call 04/01/27)		5,000		5,789,600
5.00%, 06/01/43	(Call 06/01/23)		1,000		1,126,380


Security		Principal (000s)		Value
Series A-2
5.00%, 04/01/45	(Call 04/01/25)	$	3,000	$	3,390,330
Series B
5.00%, 08/01/21			1,100		1,217,953
Upper Occoquan Sewage Authority RB
Series A
5.15%, 07/01/20	(NPFGC)		630		656,869
Virginia College Building Authority RB
Series 2012B
5.00%, 09/01/20			2,570		2,777,810
Series A
4.00%, 02/01/32	(Call 02/01/25)		3,000		3,189,870
Series C
5.00%, 02/01/31	(Call 02/01/27)		2,830		3,308,327
Series E
5.00%, 02/01/25			2,500		2,920,450
5.00%, 02/01/29	(Call 02/01/28)		7,000		8,358,420
5.00%, 02/01/30	(Call 02/01/28)		2,000		2,376,660
5.00%, 02/01/31	(Call 02/01/28)		1,000		1,183,570
Virginia Commonwealth Transportation Board RB
4.00%, 05/15/29	(PR 05/15/21) (SAP)		1,000		1,070,730
4.00%, 05/15/37	(Call 05/15/22)		2,500		2,591,925
4.00%, 05/15/42	(Call 05/15/27)		5,920		6,160,411
5.00%, 09/15/23			1,000		1,147,990
5.00%, 09/15/24			3,000		3,492,870
5.00%, 03/15/26			2,500		2,952,450
5.00%, 03/15/27	(Call 09/15/26)		3,995		4,751,653
5.00%, 05/15/27	(PR 05/15/21) (SAP)		500		550,880
5.00%, 09/15/27			1,000		1,198,730
5.00%, 05/15/28	(PR 05/15/22)		1,000		1,125,490
5.00%, 05/15/33	(PR 05/15/21) (SAP)		2,275		2,506,504
5.00%, 05/15/34	(PR 05/15/21) (SAP)		3,000		3,305,280
Series A
4.00%, 05/15/35	(Call 11/15/27)		1,000		1,055,120
5.00%, 05/15/32	(Call 11/15/27)		550		646,541
5.00%, 05/15/33	(Call 11/15/27)		500		585,460


Security		Principal (000s)		Value
Virginia Public Building Authority RB
Series A
5.00%, 08/01/28	(Call 08/01/27)	$	2,980	$	3,551,802
Series B
5.00%, 08/01/25			1,910		2,243,983
Series C
4.00%, 08/01/26	(Call 08/01/24)		2,500		2,727,100
Virginia Public School Authority RB
4.00%, 08/01/20	(SAW)		2,000		2,109,300
5.00%, 08/01/23	(Call 08/01/22) (SAW)		2,500		2,815,300
5.00%, 08/01/26	(Call 08/01/25) (SAW)		1,515		1,777,671
Series C
5.00%, 08/01/18	(SAW)		550		558,525
5.00%, 08/01/19	(SAW)		770		808,331

					128,124,443
WASHINGTON — 2.82%
Central Puget Sound Regional Transit Authority RB
Series S-1
5.00%, 11/01/31	(Call 11/01/25)		1,250		1,451,550
5.00%, 11/01/36	(Call 11/01/25)		2,000		2,288,160
5.00%, 11/01/45	(Call 11/01/25)		13,840		15,641,138
Series S-1-GREEN
5.00%, 11/01/46			3,000		3,832,770
City of Seattle WA Municipal Light & Power Revenue RB
Series A
4.00%, 05/01/45	(Call 05/01/25)		1,765		1,814,791
5.25%, 02/01/36	(PR 02/01/21)		1,200		1,320,228
Series B
5.00%, 02/01/21	(PR 02/01/20)		155		164,711
5.00%, 02/01/21	(Call 02/01/20)		345		366,411
5.00%, 02/01/22	(PR 02/01/20)		250		265,663
5.00%, 02/01/22	(Call 02/01/20)		750		795,960
5.00%, 02/01/24	(PR 02/01/20)		95		100,952
5.00%, 02/01/24	(Call 02/01/20)		405		429,741
City of Tacoma WA Electric System Revenue RB
Series A
4.00%, 01/01/42	(Call 07/01/23)		1,000		1,023,110
5.00%, 01/01/38	(Call 07/01/23)		1,000		1,111,340


Security		Principal (000s)		Value
County of King WA Sewer Revenue RB
5.00%, 01/01/39	(PR 01/01/19)	$	8,205	$	8,447,212
5.00%, 07/01/40	(Call 01/01/25)		2,000		2,241,380
5.00%, 01/01/45	(PR 07/01/20)		1,000		1,075,486
5.00%, 01/01/50	(PR 07/01/20)		2,000		2,150,970
5.00%, 01/01/52	(Call 01/01/22)		4,000		4,309,840
5.13%, 01/01/41	(PR 01/01/21)		500		545,783
5.25%, 01/01/42	(PR 01/01/19)		1,000		1,031,580
Series B
5.00%, 07/01/39	(Call 07/01/23)		3,000		3,368,850
5.00%, 01/01/41	(PR 01/01/21)		1,330		1,447,256
5.00%, 07/01/46	(Call 07/01/26)		3,000		3,389,670
Energy Northwest RB
4.00%, 07/01/38	(Call 07/01/25)		2,000		2,083,800
5.00%, 07/01/22			1,500		1,687,065
5.00%, 07/01/34	(Call 07/01/25)		2,000		2,278,320
5.00%, 07/01/38	(Call 07/01/25)		6,465		7,314,501
Series A
5.00%, 07/01/18			7,580		7,672,021
5.00%, 07/01/19			4,565		4,777,683
5.00%, 07/01/20			1,850		1,992,413
5.00%, 07/01/21			2,000		2,204,580
5.00%, 07/01/22	(Call 07/01/21)		565		622,794
5.00%, 07/01/23			1,000		1,143,870
5.00%, 07/01/23	(Call 07/01/21)		2,100		2,311,953
5.00%, 07/01/24			2,000		2,317,940
5.00%, 07/01/27	(Call 07/01/26)		1,000		1,181,150
5.00%, 07/01/28	(Call 07/01/22)		1,000		1,117,660
5.00%, 07/01/28	(Call 07/01/27)		2,000		2,382,560
5.25%, 07/01/18			2,185		2,213,318
Series C
5.00%, 07/01/28	(Call 07/01/24)		1,000		1,149,290
FYI Properties RB
5.50%, 06/01/39	(Call 06/01/19)		1,000		1,047,180
Pierce County School District No. 10 Tacoma GO
5.00%, 12/01/39	(Call 12/01/25) (GTD)		2,000		2,273,120
Port of Seattle WA RB
Series A
5.00%, 08/01/30	(Call 08/01/22)		1,500		1,657,740
5.00%, 08/01/31	(Call 08/01/22)		2,910		3,210,894


Security		Principal (000s)		Value
Snohomish County Public Utility District No. 1 RB
5.00%, 12/01/40	(Call 12/01/25)	$	1,000	$	1,124,060
Snohomish County School District No. 201 Snohomish GO
5.25%, 12/01/27	(PR 12/01/18) (GTD)		500		514,590
State of Washington GO
4.00%, 07/01/18			1,400		1,412,306
5.00%, 07/01/25	(Call 07/01/24)		1,500		1,742,085
5.00%, 07/01/26	(Call 07/01/24)		1,050		1,214,755
5.00%, 07/01/31	(Call 01/01/25)		1,000		1,137,870
5.00%, 07/01/32	(Call 01/01/25)		2,000		2,271,760
5.00%, 08/01/32	(Call 08/01/25)		2,500		2,865,850
Series 2010-B
5.00%, 08/01/34	(PR 08/01/19)		3,000		3,144,570
Series 2014-A
5.00%, 08/01/35	(Call 08/01/23)		1,500		1,688,745
Series 2017A
5.00%, 08/01/37	(Call 08/01/26)		3,345		3,815,106
Series A
5.00%, 07/01/25	(PR 07/01/18)		1,330		1,346,279
5.00%, 07/01/27	(PR 07/01/18)		4,750		4,808,140
5.00%, 07/01/31	(PR 07/01/18)		3,400		3,441,616
5.00%, 08/01/33	(Call 08/01/23)		2,800		3,162,936
5.00%, 08/01/35	(Call 08/01/21)		500		548,040
5.00%, 08/01/38	(Call 08/01/23)		1,215		1,363,959
Series B
5.00%, 07/01/28	(Call 01/01/26)		2,500		2,912,900
5.00%, 07/01/29	(Call 01/01/26)		1,500		1,739,685
5.00%, 07/01/33	(Call 01/01/26)		3,000		3,431,610
Series C
5.00%, 06/01/41	(Call 06/01/21)		20,455		22,159,515
Series D
5.00%, 02/01/34	(PR 02/01/22)		1,000		1,117,980
5.00%, 02/01/39	(Call 02/01/24)		900		1,008,765
5.00%, 02/01/41	(Call 02/01/27)		2,935		3,339,384
Series E
5.00%, 02/01/31	(PR 02/01/19)		1,500		1,549,125
Series R
5.00%, 07/01/19			1,500		1,569,480
5.00%, 07/01/23			2,000		2,292,080
Series R-2011A
5.00%, 01/01/21			1,000		1,089,060


Security		Principal (000s)		Value
Series R-2012A
5.00%, 07/01/18		$	1,200	$	1,214,484
Series R-2012C
5.00%, 07/01/20			1,000		1,076,020
5.00%, 07/01/24	(Call 07/01/22)		3,750		4,202,775
5.00%, 07/01/25	(Call 07/01/22)		1,000		1,119,860
5.00%, 07/01/26	(Call 07/01/22)		1,500		1,677,150
Series R-2013C
5.00%, 07/01/18			1,500		1,518,105
Series R-2015
5.00%, 07/01/19			1,500		1,569,480
Series R-2015-C
5.00%, 07/01/28	(Call 01/01/25)		1,500		1,721,895
5.00%, 07/01/29	(Call 01/01/25)		3,000		3,431,700
5.00%, 07/01/32	(Call 01/01/25)		1,000		1,135,880
Series R-2015E
5.00%, 07/01/28	(Call 01/01/25)		1,500		1,721,895
5.00%, 07/01/31	(Call 01/01/25)		3,000		3,413,610
5.00%, 07/01/33	(Call 01/01/25)		2,850		3,227,767
Series R-2017A
5.00%, 08/01/30	(Call 08/01/26)		2,000		2,327,760
5.00%, 08/01/33	(Call 08/01/26)		5,915		6,822,065
5.00%, 08/01/34	(Call 08/01/26)		5,000		5,746,600
Series R-2018C
5.00%, 08/01/25			1,000		1,176,350
5.00%, 08/01/28	(Call 08/01/27)		3,000		3,564,660
Series R-2018D
5.00%, 08/01/32	(Call 08/01/27)		5,000		5,846,000
State of Washington RB
5.00%, 09/01/18			1,125		1,144,710
5.00%, 09/01/19			2,250		2,362,387
5.00%, 09/01/20			1,000		1,079,330
5.00%, 09/01/21			3,000		3,308,940
5.00%, 09/01/24	(Call 09/01/23)		2,000		2,271,820
Series C
5.00%, 09/01/18			1,200		1,221,024
University of Washington RB
Series A
5.00%, 07/01/41	(Call 07/01/22)		1,000		1,107,610
Washington State University RB
5.00%, 04/01/40	(Call 04/01/25)		2,055		2,295,928

					256,372,460


Security		Principal (000s)		Value
WEST VIRGINIA — 0.03%
West Virginia Economic Development Authority RB
Series A
5.00%, 06/15/40	(PR 06/15/20)	$	1,270	$	1,366,228
West Virginia University RB
Series B
5.00%, 10/01/36	(Call 10/01/21)		1,000		1,083,670

					2,449,898
WISCONSIN — 1.10%
State of Wisconsin Environmental Improvement Fund Revenue RB
Series A
5.00%, 06/01/19			1,000		1,043,570
State of Wisconsin GO
5.00%, 05/01/27	(Call 05/01/25)		1,000		1,167,300
5.00%, 11/01/31	(Call 05/01/27)		5,000		5,870,250
Series 1
5.00%, 05/01/19			2,000		2,082,800
5.00%, 05/01/19	(AMBAC)		1,685		1,754,759
5.00%, 11/01/20			3,000		3,264,090
5.00%, 05/01/21			1,965		2,162,600
5.00%, 05/01/21	(ETM)		5		5,487
5.00%, 11/01/23			5,000		5,776,150
5.00%, 11/01/24			1,000		1,172,650
Series 2
5.00%, 11/01/20			2,940		3,198,808
5.00%, 11/01/21			2,000		2,228,160
5.00%, 11/01/22	(Call 11/01/21)		2,070		2,296,810
5.00%, 11/01/22			1,000		1,135,790
5.00%, 05/01/25	(PR 05/01/22)		15		16,802
5.00%, 05/01/25	(Call 05/01/22)		1,025		1,142,896
5.00%, 11/01/25			1,250		1,482,000
5.00%, 11/01/26			2,000		2,394,140
Series 3
5.00%, 11/01/21			2,840		3,163,987
5.00%, 11/01/22			4,175		4,741,923
5.00%, 11/01/29	(Call 05/01/27)		1,000		1,183,800
5.00%, 11/01/30	(Call 05/01/27)		3,000		3,532,740
5.00%, 11/01/31	(Call 05/01/27)		2,000		2,348,100
5.00%, 11/01/32	(Call 05/01/27)		2,000		2,341,060
5.00%, 11/01/33	(Call 05/01/27)		1,000		1,166,140
Series 4
5.00%, 05/01/26	(Call 11/01/24)		3,510		4,078,199


Security		Principal or Shares (000s)		Value
Series B
5.00%, 05/01/22	(PR 05/01/21)	$	1,500	$	1,650,840
Series D
5.00%, 05/01/37	(Call 05/01/24)		5,000		5,630,650
State of Wisconsin RB
Series A
5.38%, 05/01/25	(PR 05/01/19) (SAP)		195		203,820
5.38%, 05/01/25	(Call 05/01/19) (SAP)		1,855		1,936,713
5.63%, 05/01/28	(PR 05/01/19) (SAP)		140		146,735
5.63%, 05/01/28	(Call 05/01/19) (SAP)		1,330		1,391,925
5.75%, 05/01/33	(PR 05/01/19) (SAP)		9,250		9,708,337
6.00%, 05/01/36	(PR 05/01/19) (SAP)		5,015		5,274,877
6.25%, 05/01/37	(PR 05/01/19) (SAP)		1,000		1,054,700
Wisconsin Department of Transportation RB
Series 1
5.00%, 07/01/22			1,000		1,126,040
5.00%, 07/01/27			1,000		1,202,260
5.00%, 07/01/28	(Call 07/01/27)		2,000		2,391,680
Series A
5.00%, 07/01/20	(AGM)		2,000		2,153,960
Series I
5.00%, 07/01/19	(NPFGC-FGIC)		1,095		1,145,721
5.00%, 07/01/20			1,000		1,076,980
Wisconsin Health & Educational Facilities Authority RB
5.00%, 12/01/41	(Call 11/01/26)		3,075		3,424,320

					100,270,569

TOTAL MUNICIPAL BONDS & NOTES
(Cost: $8,969,547,250)					8,993,967,018

SHORT-TERM INVESTMENTS — 0.18%

MONEY MARKET FUNDS — 0.18%
BlackRock Liquidity Funds: MuniCash
0.94%^c,d			16,465		16,466,689

					16,466,689

TOTAL SHORT-TERM INVESTMENTS
(Cost: $16,463,338)					16,466,689


	Value
TOTAL INVESTMENTS IN SECURITIES — 99.21%
(Cost: $8,986,010,588)	$	9,010,433,707
Other Assets, Less Liabilities — 0.79%		71,570,069

NET ASSETS — 100.00%	$	9,082,003,776

COP — Certificates of Participation

ETM — Escrowed to Maturity

GO — General Obligation

GOL — General Obligation Limited

GTD — Guaranteed by the Commonwealth, County or State

PR — Prerefunded

PSF — Permanent School Fund

RB — Revenue Bond

SAP — Subject to Appropriations

SAW — State Aid Withholding

ST — Special Tax

TA — Tax Allocation

Insured by:

AGC — Assured Guaranty Corp.

AGC-ICC — Assured Guaranty Corp. – Insured Custody Certificates

AGM — Assured Guaranty Municipal Corp.

AMBAC — Ambac Assurance Corp.

BHAC — Berkshire Hathaway Assurance Corp.

FGIC — Financial Guaranty Insurance Co.

HERBIP — Higher Education Revenue Bond Intercept Program

NPFGC — National Public Finance Guarantee Corp.

NPFGC-FGIC — National Public Finance Guarantee Corp. – Financial Guaranty Insurance Co.

^a	Zero-coupon bond.

^b	Variable rate security that is payable on demand on each reset date. Rate shown is the rate in effect as of period end.

^c	Affiliate of the Fund.

^d	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security		Principal (000s)		Value
MUNICIPAL BONDS & NOTES — 99.54%

ALABAMA — 1.03%
Alabama Federal Aid Highway Finance Authority RB
5.00%, 09/01/18		$	490	$	498,658
5.00%, 09/01/19			500		525,205
5.00%, 09/01/20			500		539,410
Series A
5.00%, 09/01/18			400		407,312
Alabama Public School & College Authority RB
Series A
5.00%, 05/01/19			650		676,371
5.00%, 05/01/29	(PR 05/01/19)		1,000		1,040,920
Series B
5.00%, 01/01/20			1,500		1,592,445
5.00%, 01/01/21			1,500		1,634,895
5.00%, 01/01/22			400		445,908
Auburn University RB
Series A
5.00%, 06/01/41	(PR 06/01/21)		7,625		8,411,366

					15,772,490
ARIZONA — 1.88%
Arizona Department of Transportation State Highway Fund Revenue RB
Series A
5.00%, 07/01/20			890		958,512
5.00%, 07/01/22			1,450		1,630,829
Arizona School Facilities Board COP
Series A
5.00%, 09/01/19			2,125		2,232,121
5.00%, 09/01/20			500		540,300
5.00%, 09/01/21			1,000		1,104,770
Arizona Transportation Board RB
5.00%, 07/01/21			1,600		1,766,400
5.00%, 07/01/22			5,000		5,630,200
Series A
5.00%, 07/01/22	(PR 07/01/20)		1,000		1,078,170
City of Phoenix Civic Improvement Corp. RB
5.00%, 07/01/18			1,400		1,416,954
5.00%, 07/01/19			1,425		1,489,268


Security		Principal (000s)		Value
Series B
5.00%, 07/01/20		$	500	$	538,490
Maricopa County Community College District GO
5.00%, 07/01/20			1,675		1,805,935
5.00%, 07/01/21			3,000		3,315,060
Salt River Project Agricultural Improvement & Power District RB
5.00%, 01/01/23			2,200		2,499,134
Series A
5.00%, 01/01/22			1,500		1,671,555
Series B
5.00%, 12/01/19			1,200		1,271,496

					28,949,194
ARKANSAS — 0.13%
State of Arkansas GO
4.00%, 06/15/20			1,950		2,055,066

					2,055,066
CALIFORNIA — 18.79%
Acalanes Union High School District GO Series B
0.00%, 08/01/46	(PR 08/01/21)^a		4,150		647,732
Bay Area Toll Authority RB
1.38%, 04/01/53	(Put 04/01/20)^b		3,000		2,983,800
2.10%, 04/01/45	(Put 04/01/22)^b		1,500		1,502,055
Series C
1.88%, 04/01/47	(Put 04/01/19)^b		3,100		3,108,277
Series F-1
4.00%, 04/01/18			800		801,784
5.00%, 04/01/39	(PR 04/01/18)		2,925		2,934,184
5.13%, 04/01/39	(PR 04/01/19)		3,220		3,350,635
5.25%, 04/01/24	(PR 04/01/19)		1,000		1,041,900
5.63%, 04/01/44	(PR 04/01/19)		5,000		5,229,550
California Infrastructure & Economic Development Bank RB
5.00%, 10/01/21			750		836,722
5.00%, 10/01/22			700		797,391
California State Public Works Board RB
Series E
5.00%, 09/01/20			1,000		1,083,930


Security		Principal (000s)		Value
Series F
5.00%, 05/01/18		$	1,225	$	1,232,595
5.00%, 09/01/18			1,000		1,018,630
5.00%, 05/01/20			1,000		1,073,560
5.00%, 05/01/21			725		798,377
Series G
5.00%, 01/01/19			1,000		1,030,530
5.00%, 01/01/20			1,000		1,062,760
5.00%, 01/01/21			1,580		1,724,380
Series H
5.00%, 12/01/19			1,500		1,590,435
Series I-1
6.13%, 11/01/29	(PR 11/01/19)		1,500		1,615,350
6.38%, 11/01/34	(PR 11/01/19)		4,000		4,324,000
California State University RB
Series B-1
3.00%, 11/01/47	(Put 11/01/19)^b		500		508,150
Series B-2
4.00%, 11/01/49	(Put 11/01/21)^b		500		534,790
Chabot-Las Positas Community College District GO Series A
4.00%, 08/01/20			1,250		1,325,025
City of Long Beach CA Harbor Revenue RB Series C
5.00%, 11/15/18			1,850		1,898,747
City of Los Angeles CA GO
Series B
5.00%, 09/01/18			3,000		3,056,340
5.00%, 09/01/20			540		586,570
City of Los Angeles CA Wastewater System Revenue RB Series A
5.00%, 06/01/19			710		742,021
City of San Francisco CA Public Utilities Commission Water Revenue RB
5.00%, 11/01/22			1,455		1,663,050
Eastern Municipal Water District COP Series H
5.00%, 07/01/35	(PR 07/01/18)		5,000		5,062,900


Security		Principal (000s)		Value
El Camino Community College District GO
Series C
0.00%, 08/01/20^a		$	775	$	743,613
Foothill-De Anza Community College District GO Series C
5.00%, 08/01/40	(PR 08/01/21)		2,110		2,344,421
Los Angeles Community College District/CA GO
Series A
5.00%, 08/01/19			500		525,610
5.00%, 08/01/20			775		840,022
6.00%, 08/01/33	(PR 08/01/19)		645		686,480
Series E-1
5.00%, 08/01/33	(PR 08/01/18)		2,000		2,031,500
Series F-1
5.00%, 08/01/33	(PR 08/01/18)		1,360		1,381,420
Los Angeles County Metropolitan Transportation Authority RB Series A
5.00%, 07/01/21			3,000		3,330,510
Los Angeles Department of Water & Power System Revenue RB
Series A
4.00%, 07/01/21			1,275		1,375,993
5.00%, 07/01/18			2,965		3,002,092
5.00%, 07/01/19			2,110		2,210,900
5.00%, 07/01/20			300		324,672
5.00%, 07/01/21			1,000		1,111,550
Series B
5.00%, 12/01/18	(Call 11/01/18)		3,350		3,432,745
Los Angeles Unified School District/CA GO
Series A
5.00%, 07/01/19			1,000		1,047,540
5.00%, 07/01/21			3,000		3,326,370
5.00%, 07/01/22			2,000		2,266,320
Series A-1
5.50%, 07/01/18	(FGIC)		1,190		1,207,005
Series A-2
5.00%, 07/01/21			1,000		1,108,790
Series B
5.00%, 07/01/18			4,000		4,050,600
5.00%, 07/01/21			500		554,395


Security		Principal (000s)		Value
Series B-1
5.00%, 07/01/23		$	500	$	577,160
Series C
5.00%, 07/01/19			1,300		1,361,802
5.00%, 07/01/20			2,235		2,414,515
Metropolitan Water District of Southern California RB
Series B
5.00%, 08/01/20	(Call 07/01/20)		2,000		2,163,040
5.00%, 08/01/22	(Call 07/01/22)		1,000		1,134,500
Series C
5.00%, 07/01/18			400		404,992
5.00%, 07/01/19			205		214,830
New Haven Unified School District GO
5.00%, 08/01/18	(ETM)		80		81,260
5.00%, 08/01/18			120		121,880
San Bernardino Community College District GO Series A
6.25%, 08/01/33	(PR 08/01/18)		500		510,240
San Diego County Water Authority Financing Corp. COP Series 2008
5.00%, 05/01/38	(PR 05/01/18) (AGM)		5,000		5,031,650
San Diego Public Facilities Financing Authority Sewer Revenue RB
Series A
5.00%, 05/15/21			1,000		1,106,050
5.25%, 05/15/34	(PR 05/15/19)		6,500		6,802,120
5.25%, 05/15/39	(PR 05/15/19)		3,500		3,662,680
San Diego Unified School District/CA GO Series A
0.00%, 07/01/22	(NPFGC)^a		1,000		907,260
San Francisco City & County Airport Commission San Francisco International Airport RB Second Series A
5.00%, 05/01/21			1,000		1,099,260


Security		Principal (000s)		Value
Southern California Public Power Authority RB Series 1
2.00%, 07/01/36	(Put 07/01/20)^b	$	1,000	$	1,009,580
State of California Department of Water Resources Power Supply Revenue RB
Series F-3
5.00%, 05/01/20	(PR 05/01/18)		600		603,798
Series H
5.00%, 05/01/22	(PR 05/01/18) (AGM)		1,290		1,298,166
Series K
5.00%, 05/01/18			3,000		3,018,750
Series L
5.00%, 05/01/18			1,700		1,710,625
5.00%, 05/01/19			8,110		8,454,432
5.00%, 05/01/20			3,660		3,937,355
5.00%, 05/01/22	(Call 05/01/20)		1,000		1,074,000
Series M
4.00%, 05/01/19			300		309,288
5.00%, 05/01/19			350		364,865
Series N
5.00%, 05/01/19			200		208,494
5.00%, 05/01/20			3,130		3,367,191
Series O
5.00%, 05/01/21			6,045		6,678,456
5.00%, 05/01/22			6,725		7,607,522
State of California Department of Water Resources RB
5.00%, 12/01/27	(PR 06/01/18)		1,550		1,564,663
Series AX
5.00%, 12/01/21			875		981,067
5.00%, 12/01/22			400		458,176
State of California GO
3.00%, 12/01/32	(Put 12/01/19)^b		1,250		1,273,687
4.00%, 11/01/19			5,000		5,208,800
4.00%, 12/01/30	(Put 12/01/21)^b		300		320,916
5.00%, 03/01/18			2,000		2,000,000
5.00%, 04/01/18			2,000		2,006,140
5.00%, 09/01/18			1,000		1,018,730
5.00%, 10/01/18			325		332,082
5.00%, 11/01/18			1,000		1,024,830


Security		Principal (000s)		Value
5.00%, 12/01/18		$	1,000	$	1,027,860
5.00%, 02/01/19			3,885		4,014,409
5.00%, 04/01/19			4,000		4,155,160
5.00%, 08/01/19	(Call 04/02/18)		5		5,014
5.00%, 08/01/19			2,720		2,856,190
5.00%, 10/01/19			425		448,554
5.00%, 11/01/19			750		793,598
5.00%, 02/01/20			4,100		4,371,297
5.00%, 03/01/20			1,000		1,068,820
5.00%, 08/01/20			4,900		5,302,584
5.00%, 09/01/20			1,500		1,627,050
5.00%, 10/01/20			500		543,596
5.00%, 11/01/20			885		964,358
5.00%, 02/01/21			1,000		1,094,910
5.00%, 03/01/21	(Call 03/01/20)		1,300		1,389,466
5.00%, 08/01/21			5,000		5,546,700
5.00%, 09/01/21			8,395		9,331,714
5.00%, 04/01/22			1,000		1,124,080
5.00%, 05/01/22			2,500		2,816,275
5.00%, 08/01/22			4,110		4,654,369
5.00%, 09/01/22			4,350		4,934,640
5.00%, 11/01/22			2,000		2,276,380
5.25%, 02/01/23			1,715		1,978,064
5.50%, 04/01/18			8,415		8,444,200
5.50%, 04/01/19			4,490		4,688,189
Series A
5.00%, 07/01/18	(ETM)		1,015		1,027,769
5.00%, 07/01/19	(ETM)		6,780		7,102,321
5.00%, 07/01/20	(PR 07/01/19)		11,355		11,894,817
5.25%, 07/01/21	(PR 07/01/19)		5,275		5,543,128
Series B
5.00%, 09/01/18			1,000		1,018,730
5.00%, 09/01/19			2,000		2,105,400
5.00%, 09/01/20			1,830		1,985,001
University of California RB
Series AF
5.00%, 05/15/18			750		755,723
5.00%, 05/15/20			1,000		1,077,800
Series AT
1.40%, 05/15/46	(Call 11/15/20)^b		500		491,650
Series E
5.00%, 05/15/21	(Call 05/15/20)		1,635		1,758,868
Series I
5.00%, 05/15/18			3,000		3,022,830

					288,735,084


Security		Principal (000s)		Value
COLORADO — 0.41%
Board of Governors of Colorado State University System RB Series E
5.00%, 03/01/38	(PR 03/01/23) (HERBIP)	$	2,000	$	2,277,860
Denver City & County School District No. 1 GO Series B
5.00%, 12/01/26	(PR 12/01/22) (SAW)		910		1,033,906
E-470 Public Highway Authority RB Series B
0.00%, 09/01/18	(NPFGC)^a		3,000		2,974,860

					6,286,626
CONNECTICUT — 2.49%
Connecticut State Health & Educational Facilities Authority RB
Series A
1.30%, 07/01/48	(Put 02/03/20)^b		2,000		1,986,440
1.38%, 07/01/35	(Put 07/11/18)^b		1,250		1,250,638
Series A-1
1.00%, 07/01/42	(Put 07/01/19)^b		850		844,866
5.00%, 07/01/42	(Put 07/01/22)^b		1,700		1,912,772
Series A-4
1.20%, 07/01/49	(Put 02/01/19)^b		1,000		998,280
Series B
5.00%, 07/01/29	(Put 07/01/20)^b		2,000		2,152,520
Series C-2
5.00%, 07/01/57	(Put 02/01/23)^b		3,500		3,974,985
Series U
1.00%, 07/01/33	(Put 02/06/19)^b		1,500		1,494,630
Series X-2
1.80%, 07/01/37	(Put 02/09/21)^b		2,000		1,994,880
State of Connecticut GO
5.00%, 08/01/19			1,000		1,045,320
Series A
5.00%, 10/15/18			2,500		2,554,025
5.00%, 10/15/21			500		546,980
5.00%, 04/15/22			545		598,901
Series B
5.00%, 05/15/20			500		531,930
5.00%, 05/15/21			500		542,405


Security		Principal (000s)		Value
5.00%, 04/15/23	(Call 04/15/22)	$	1,000	$	1,092,740
5.25%, 06/01/19	(AMBAC)		500		521,675
Series C
5.00%, 06/01/18			1,250		1,261,162
Series D
5.00%, 11/01/18			2,000		2,046,160
Series E
4.00%, 10/15/19			1,000		1,035,430
5.00%, 10/15/21			500		546,980
Series F
5.00%, 11/15/20			1,000		1,076,600
Series G
5.00%, 11/01/20			1,500		1,613,295
5.00%, 11/01/21			1,000		1,094,690
State of Connecticut Special Tax Revenue RB
Series A
5.00%, 08/01/20			2,500		2,670,950
5.00%, 09/01/21			1,000		1,092,340
5.00%, 08/01/22			1,550		1,718,485

					38,200,079
DISTRICT OF COLUMBIA — 0.63%
District of Columbia GO
Series A
5.00%, 06/01/20			2,135		2,294,058
5.00%, 06/01/22			2,000		2,250,040
Series B
5.25%, 06/01/18	(AMBAC)		2,950		2,978,143
District of Columbia Water & Sewer Authority RB Series A
5.00%, 10/01/34	(PR 10/01/18) (AGC)		2,100		2,144,520

					9,666,761
FLORIDA — 2.64%
Central Florida Expressway Authority RB
1.63%, 01/01/19	(Call 04/02/18)		1,000		1,000,030
County of Miami-Dade FL Aviation Revenue RB Series B
5.50%, 10/01/36	(PR 10/01/19)		8,000		8,495,280


Security		Principal (000s)		Value
County of Miami-Dade FL GO Series B-1
5.75%, 07/01/33	(PR 07/01/18)	$	2,400	$	2,435,304
County of Miami-Dade FL Water & Sewer System Revenue RB
5.00%, 10/01/22			2,000		2,254,800
Florida Municipal Power Agency RB
Series A
5.00%, 10/01/21			1,900		2,099,443
5.25%, 10/01/19			235		248,444
6.25%, 10/01/31	(PR 10/01/19)		4,350		4,670,073
Florida’s Turnpike Enterprise RB Series B
5.00%, 07/01/18			3,000		3,036,630
Orlando Utilities Commission RB Series A
5.00%, 10/01/18			3,000		3,063,780
State of Florida GO
Series A
5.00%, 06/01/18			1,000		1,009,200
5.00%, 06/01/19			2,300		2,399,337
5.00%, 06/01/20			2,000		2,151,300
Series C
5.00%, 06/01/19			1,555		1,622,161
Series D
5.00%, 06/01/22			1,000		1,127,200
State of Florida Lottery Revenue RB
Series A
5.00%, 07/01/18			530		536,487
5.00%, 07/01/19			2,500		2,615,475
5.00%, 07/01/20			1,000		1,078,170
Series C
5.00%, 07/01/18			570		576,977
Tampa Bay Water RB Series B
5.00%, 10/01/19	(ETM)		150		157,935

					40,578,026
GEORGIA — 3.97%
City of Atlanta Department of Aviation RB
Series A
5.00%, 01/01/19			2,225		2,290,504
5.00%, 01/01/21			1,000		1,088,480


Security		Principal (000s)		Value
Series B
5.00%, 01/01/21	(Call 01/01/20)	$	1,000	$	1,060,140
City of Atlanta GA Water & Wastewater Revenue RB
Series A
6.00%, 11/01/27	(PR 11/01/19)		3,515		3,769,064
6.00%, 11/01/28	(PR 11/01/19)		3,000		3,216,840
6.25%, 11/01/34	(PR 11/01/19)		3,000		3,229,110
6.25%, 11/01/39	(PR 11/01/19)		4,610		4,962,066
Georgia State Road & Tollway Authority RB
Series A
5.00%, 03/01/20	(GTD)		1,000		1,067,590
5.00%, 03/01/21	(GTD)		410		449,372
Series B
5.00%, 06/01/18			900		908,235
5.00%, 06/01/20			900		964,359
5.00%, 06/01/21			500		547,910
Gwinnett County School District GO
5.00%, 08/01/20	(SAW)		2,110		2,280,214
5.00%, 08/01/21	(SAW)		2,000		2,215,860
5.00%, 02/01/22			800		895,032
5.00%, 08/01/22	(SAW)		1,250		1,413,862
Municipal Electric Authority of Georgia RB
Series A
5.00%, 01/01/21			1,000		1,079,550
Series B
5.00%, 01/01/20			2,860		3,019,216
Series D
5.75%, 01/01/19	(PR 07/01/18)		740		750,508
5.75%, 01/01/19	(Call 07/01/18)		1,120		1,135,042
State of Georgia GO
Series A-1
5.00%, 02/01/19			2,610		2,695,477
5.00%, 02/01/23			710		809,201
Series B
5.00%, 07/01/21	(PR 07/01/18)		750		759,180
Series C
4.00%, 09/01/22			200		217,842
4.00%, 10/01/22			1,000		1,090,320
5.00%, 07/01/19			1,500		1,570,095
5.00%, 10/01/20			2,425		2,633,235
5.00%, 07/01/21			2,000		2,210,720


Security		Principal (000s)		Value
Series E-2
4.00%, 09/01/19		$	3,100	$	3,215,723
Series I
5.00%, 07/01/18			2,375		2,404,474
5.00%, 07/01/19			2,600		2,721,498
5.00%, 07/01/20			4,000		4,313,640

					60,984,359
HAWAII — 0.71%
City & County Honolulu HI Wastewater System Revenue RB Series A
5.25%, 07/01/36	(PR 07/01/21)		1,000		1,113,420
City & County of Honolulu HI GO Series B
5.25%, 07/01/19	(AGM)		1,135		1,191,149
State of Hawaii GO
Series DY
5.00%, 02/01/19			1,020		1,053,119
Series DZ
5.00%, 12/01/19	(ETM)		590		622,946
Series DZ-2017
5.00%, 12/01/19	(ETM)		20		21,152
5.00%, 12/01/19			530		561,387
Series EA
5.00%, 12/01/18			2,000		2,054,200
Series EF
5.00%, 11/01/18			600		614,496
Series EH
5.00%, 08/01/21	(ETM)		675		746,435
Series EH-2017
5.00%, 08/01/21	(ETM)		10		11,058
5.00%, 08/01/21			315		348,116
Series EP
5.00%, 08/01/22			2,235		2,518,890

					10,856,368
ILLINOIS — 3.37%
Chicago O’Hare International Airport RB
Series 2015-B
5.00%, 01/01/20			4,500		4,769,775
5.00%, 01/01/21			500		542,075
Series B
5.00%, 01/01/19			500		514,550


Security		Principal (000s)		Value
5.00%, 01/01/20		$	300	$	317,985
6.00%, 01/01/41	(PR 01/01/21)		2,000		2,237,220
Illinois State Toll Highway Authority RB
Series A
5.00%, 12/01/19			1,000		1,057,440
5.00%, 12/01/22			1,000		1,126,970
Series D
5.00%, 01/01/21			600		651,180
Metropolitan Pier & Exposition Authority RB
0.00%, 06/15/18^a			15		14,885
0.00%, 06/15/18	(NPFGC-FGIC)^a		485		483,026
State of Illinois GO
4.00%, 07/01/18			620		623,428
5.00%, 08/01/18			1,690		1,708,573
5.00%, 01/01/19			500		509,945
5.00%, 01/01/19	(AGM)		600		614,988
5.00%, 02/01/19			1,000		1,021,790
5.00%, 01/01/20	(AGM)		400		420,712
5.00%, 02/01/20			1,500		1,551,675
5.00%, 08/01/20			1,500		1,556,535
5.00%, 02/01/21			1,500		1,562,190
5.00%, 07/01/21			425		444,584
5.00%, 02/01/22			1,675		1,754,864
Series A
5.00%, 11/01/18			6,000		6,102,720
5.00%, 12/01/19			5,000		5,194,750
5.00%, 12/01/20			1,000		1,041,580
5.00%, 12/01/22			1,500		1,579,425
Series D
5.00%, 11/01/20			3,900		4,058,457
5.00%, 11/01/21			3,900		4,092,504
5.00%, 11/01/22			4,000		4,210,160
State of Illinois RB
5.00%, 06/15/18			2,025		2,044,278

					51,808,264
INDIANA — 0.07%
Indiana University RB
5.00%, 06/01/38	(PR 06/01/18)		1,000		1,009,200

					1,009,200


Security		Principal (000s)		Value
IOWA — 0.14%
Iowa Finance Authority RB
5.00%, 08/01/20		$	560	$	604,621
State of Iowa RB Series A
5.00%, 06/01/28	(PR 06/01/19)		1,520		1,585,451

					2,190,072
KANSAS — 0.64%
State of Kansas Department of Transportation RB
Series A
5.00%, 09/01/22			2,770		3,129,518
5.50%, 03/01/19	(AGM)		3,205		3,335,668
Series B
5.00%, 09/01/19			225		236,788
5.00%, 09/01/20			1,000		1,081,370
5.00%, 09/01/21			1,000		1,107,630
Series C
5.00%, 09/01/20			920		994,860

					9,885,834
KENTUCKY — 0.05%
Kentucky Asset Liability Commission RB First Series
5.25%, 09/01/19	(NPFGC)		700		737,114

					737,114
LOUISIANA — 0.22%
East Baton Rouge Sewerage Commission RB Series A
5.25%, 02/01/34	(PR 02/01/19)		400		414,004
Louisiana State Citizens Property Insurance Corp. RB
5.00%, 06/01/18			400		403,660
5.00%, 06/01/20			325		347,945
State of Louisiana GO
Series A
5.00%, 11/15/19			1,100		1,164,273
5.00%, 11/15/20	(Call 05/15/20)		1,000		1,073,730

					3,403,612


Security		Principal (000s)		Value
MARYLAND — 4.76%
County of Montgomery MD GO
Series A
5.00%, 07/01/23	(PR 07/01/19)	$	1,000	$	1,046,190
Series C
5.00%, 10/01/22			5,170		5,864,952
Maryland State Transportation Authority RB
5.25%, 03/01/18			1,380		1,380,000
5.25%, 03/01/19			2,020		2,096,336
State of Maryland Department of Transportation RB
4.00%, 09/01/21			4,000		4,295,560
5.00%, 05/01/18			2,000		2,012,140
5.00%, 05/01/19			750		780,870
5.00%, 09/01/22			2,000		2,262,340
State of Maryland GO
5.00%, 03/01/20			3,110		3,318,308
First Series
5.00%, 06/01/20			700		752,472
5.00%, 06/01/21			4,000		4,409,840
5.00%, 06/01/22			925		1,041,041
First Series A
5.00%, 03/01/18			1,000		1,000,000
Second Series
5.00%, 07/15/18			1,000		1,013,720
5.00%, 07/15/22	(PR 07/15/18)		1,280		1,297,523
5.00%, 07/15/23	(PR 07/15/18)		2,850		2,889,017
Second Series E
4.50%, 08/01/20			1,835		1,960,037
Series A
5.00%, 03/01/19			1,610		1,667,364
5.00%, 03/01/20			1,000		1,066,980
5.00%, 03/01/21			2,000		2,190,220
5.00%, 03/01/22			300		335,757
5.00%, 03/15/22			2,500		2,800,750
5.00%, 08/01/23	(PR 08/01/21)		1,630		1,805,355
5.00%, 03/01/24	(PR 03/01/22)		4,000		4,481,680
Series B
4.50%, 08/01/21			1,000		1,090,390
5.00%, 03/15/19			1,150		1,192,550
5.00%, 08/01/19			2,900		3,043,521
5.00%, 08/01/20	(PR 08/01/19)		1,175		1,232,481


Security		Principal (000s)		Value
5.00%, 08/01/20		$	4,000	$	4,319,720
5.00%, 08/01/21	(PR 08/01/19)		1,700		1,783,164
5.00%, 08/01/23	(PR 08/01/19)		2,285		2,396,782
Series C
5.00%, 08/01/19			2,400		2,518,776
5.00%, 08/01/21			3,450		3,818,736

					73,164,572
MASSACHUSETTS — 6.85%
Commonwealth of Massachusetts GOL
Series A
5.00%, 04/01/18			2,315		2,322,061
5.00%, 04/01/19			1,000		1,038,570
5.00%, 04/01/25	(PR 04/01/21)		1,500		1,646,985
5.00%, 08/01/27	(PR 08/01/18)		2,000		2,030,240
5.00%, 04/01/28	(PR 04/01/21)		3,000		3,293,970
5.00%, 04/01/29	(PR 04/01/21)		5,000		5,489,950
5.25%, 08/01/19			490		515,887
5.25%, 08/01/20	(AGM)		1,700		1,845,911
5.25%, 08/01/21			1,000		1,114,780
Series B
5.00%, 08/01/18			1,000		1,015,420
5.00%, 08/01/19			1,650		1,731,428
5.00%, 08/01/21			1,000		1,106,530
5.00%, 08/01/22			700		789,866
5.00%, 06/01/25	(PR 06/01/20)		500		537,825
5.25%, 08/01/20			2,950		3,203,198
5.25%, 08/01/21	(AGM)		1,000		1,114,780
5.25%, 09/01/21			255		284,873
5.25%, 08/01/22			110		125,279
Series C
5.00%, 08/01/19			2,000		2,098,700
5.00%, 04/01/20			2,000		2,139,420
5.00%, 08/01/20			500		539,965
5.00%, 10/01/21			2,000		2,221,680
Series D
1.05%, 08/01/43	(Put 07/01/20)^b		1,300		1,277,471
5.00%, 10/01/26	(PR 10/01/21)		3,415		3,792,255
5.00%, 08/01/33	(PR 08/01/21)		100		110,758
Series D-2-R
1.70%, 08/01/43	(Put 08/01/22)^b		1,500		1,469,220
Series E
5.00%, 09/01/28	(PR 09/01/22)		2,845		3,223,442


Security		Principal (000s)		Value
Series F
5.00%, 11/01/25	(PR 11/01/22)	$	11,215	$	12,748,651
5.00%, 11/01/26	(PR 11/01/22)		5,670		6,445,372
Massachusetts Bay Transportation Authority RB
Series A
5.00%, 07/01/20			1,000		1,077,210
5.25%, 07/01/21			500		556,365
Series B
5.25%, 07/01/20			1,500		1,622,565
Series C
5.00%, 07/01/31	(PR 07/01/18)		4,190		4,241,286
5.00%, 07/01/34	(PR 07/01/18)		1,000		1,012,240
5.25%, 07/01/19			2,700		2,833,569
5.50%, 07/01/18			1,700		1,723,256
Massachusetts Clean Water Trust (The) RB
5.00%, 08/01/22			2,000		2,262,180
5.25%, 08/01/20			475		516,121
Series 2014
5.00%, 08/01/21			1,000		1,107,930
Series A
5.25%, 08/01/19			1,100		1,158,278
Massachusetts Development Finance Agency RB
Series A
5.00%, 07/15/21			1,000		1,106,910
Series B-1
5.00%, 10/15/20			1,510		1,641,159
Massachusetts School Building Authority RB
Series A
5.00%, 08/15/21			2,685		2,971,355
Series B
5.00%, 08/15/18			1,500		1,525,230
5.00%, 08/15/19			2,050		2,153,935
5.00%, 08/15/20			1,020		1,102,314
Massachusetts Water Resources Authority RB
Series A
5.00%, 08/01/40	(PR 08/01/20)		3,000		3,239,040
Series B
5.00%, 08/01/19			2,235		2,345,297
5.00%, 08/01/39	(PR 08/01/19)		250		262,230


Security		Principal (000s)		Value
Series J
5.50%, 08/01/20	(AGM)	$	1,000	$	1,092,470
5.50%, 08/01/21	(AGM)		4,000		4,497,760

					105,323,187
MICHIGAN — 1.52%
Michigan Finance Authority RB
5.00%, 07/01/18	(NPFGC)		500		505,650
5.00%, 01/01/20	(Call 07/01/19)		1,075		1,123,773
5.00%, 07/01/20	(Call 07/01/19)		1,000		1,044,830
5.00%, 01/01/21	(Call 07/01/19)		1,000		1,044,160
Series A
5.00%, 07/01/18			1,000		1,012,180
5.00%, 07/01/19			6,500		6,801,990
Michigan State Building Authority RB
Series I
5.00%, 04/15/18			1,000		1,004,360
5.00%, 04/15/19			1,600		1,662,272
5.00%, 04/15/20			1,000		1,070,340
5.00%, 04/15/21			300		328,605
State of Michigan GO
Series A
5.00%, 12/01/21			350		389,995
5.00%, 12/01/22			1,000		1,135,190
State of Michigan RB
5.00%, 03/15/20			1,055		1,124,155
5.00%, 03/15/21			100		109,134
State of Michigan Trunk Line Revenue RB
5.00%, 11/15/18			3,000		3,075,420
5.00%, 11/01/20	(Call 11/01/19)		1,000		1,055,920
Series A
5.50%, 11/01/18			770		790,828

					23,278,802
MINNESOTA — 1.33%
Minnesota Public Facilities Authority RB
Series A
5.00%, 03/01/20			3,185		3,400,274
Series B
5.00%, 03/01/18			710		710,000


Security		Principal (000s)		Value
State of Minnesota GO
Series D
5.00%, 08/01/18		$	1,780	$	1,807,519
5.00%, 08/01/19			1,500		1,574,025
5.00%, 08/01/22			2,000		2,256,760
Series F
5.00%, 10/01/18			1,000		1,021,560
5.00%, 10/01/19			4,500		4,745,790
5.00%, 10/01/20			995		1,079,644
5.00%, 10/01/21			2,095		2,327,210
University of Minnesota RB Series A
5.00%, 12/01/18	(ETM)		1,500		1,540,425

					20,463,207
MISSISSIPPI — 0.17%
State of Mississippi GO
Series C
5.00%, 10/01/18			580		592,197
5.00%, 10/01/19			1,000		1,054,130
Series D
5.38%, 07/01/18			1,000		1,013,310

					2,659,637
MISSOURI — 0.55%
Missouri Highway & Transportation Commission RB
5.00%, 02/01/19			2,970		3,067,000
Series A
5.00%, 05/01/22			675		758,659
Series B
5.00%, 05/01/19			1,200		1,248,828
5.00%, 05/01/20			1,325		1,420,705
5.00%, 05/01/22			1,500		1,685,910
University of Missouri RB Series A
5.00%, 11/01/19			240		253,462

					8,434,564
NEBRASKA — 0.11%
City of Lincoln NE Electric System Revenue RB Series A
5.00%, 09/01/20			1,015		1,097,073


Security		Principal (000s)		Value
Omaha Public Power District RB Series B
5.00%, 02/01/20		$	500	$	532,495

					1,629,568
NEVADA — 0.97%
Clark County School District GOL
Series A
5.00%, 06/15/22			1,500		1,674,105
Series B
5.00%, 06/15/19			1,865		1,943,405
5.00%, 06/15/20			2,000		2,144,520
Series C
5.00%, 06/15/22			500		558,035
County of Clark Department of Aviation RB Series B
5.00%, 07/01/18			2,850		2,883,829
County of Clark NV GOL
5.00%, 06/01/33	(PR 06/01/18)		1,000		1,009,200
5.00%, 06/01/38	(PR 06/01/18)		2,245		2,265,654
Series A
5.00%, 11/01/20			770		836,728
State of Nevada GOL Series C
5.00%, 06/01/18			1,545		1,559,183

					14,874,659
NEW JERSEY — 4.96%
New Jersey Economic Development Authority RB
5.00%, 06/15/18			250		252,308
5.00%, 09/01/18	(ETM)		1,630		1,659,633
5.00%, 09/01/18			590		598,950
5.00%, 09/01/20	(ETM)		730		790,145
5.00%, 09/01/20			270		286,243
Series A
4.00%, 07/01/22			1,875		1,944,375
Series B
5.00%, 11/01/19	(SAP)		1,000		1,045,300
5.00%, 11/01/20	(SAP)		1,000		1,063,740
5.00%, 11/01/21			1,700		1,834,844
Series BBB
5.00%, 06/15/22			1,000		1,084,020


Security		Principal (000s)		Value
Series DDD
5.00%, 06/15/19		$	100	$	103,593
Series GG
5.00%, 09/01/21	(Call 03/01/21) (SAP)		1,065		1,135,386
5.00%, 09/01/22	(Call 03/01/21)		510		541,436
Series II
5.00%, 03/01/22			325		350,841
Series K
5.25%, 12/15/20	(AMBAC)		1,030		1,107,178
Series NN
5.00%, 03/01/19	(ETM) (SAP)		6,500		6,727,630
5.00%, 03/01/21	(SAP)		1,305		1,390,856
5.00%, 03/01/22			355		383,226
Series PP
5.00%, 06/15/19			2,500		2,589,825
Series XX
5.00%, 06/15/19			750		776,947
5.00%, 06/15/20			250		263,965
5.00%, 06/15/21			2,590		2,775,185
New Jersey Sports & Exposition Authority RB Series B
5.00%, 09/01/18	(SAP)		1,000		1,015,070
New Jersey State Turnpike Authority RB
Series A
5.00%, 01/01/38	(PR 07/01/22)		8,765		9,897,000
Series B
5.00%, 01/01/19			2,220		2,284,225
New Jersey Transit Corp. RB Series A
5.00%, 09/15/18			500		507,845
New Jersey Transportation Trust Fund Authority RB
5.25%, 12/15/19			1,545		1,626,483
5.25%, 12/15/21	(NPFGC)		495		543,302
Series A
5.00%, 06/15/18			750		756,592
5.00%, 06/15/20			4,260		4,497,964
5.25%, 12/15/19			1,000		1,052,740


Security		Principal (000s)		Value
5.25%, 12/15/22		$	310	$	341,887
5.50%, 12/15/21			2,720		2,990,178
5.50%, 12/15/22			5,205		5,798,058
Series A-1
5.00%, 06/15/19			1,200		1,243,116
5.00%, 06/15/20			850		897,676
5.00%, 06/15/21			200		214,626
Series A-2
5.00%, 06/15/21	(Call 06/15/18)		860		867,886
5.00%, 06/15/22	(Call 06/15/18)		1,000		1,008,710
Series AA
5.00%, 06/15/22			110		119,381
Series B
5.00%, 06/15/20			2,100		2,217,789
5.00%, 06/15/21			3,715		3,989,093
Series D
5.00%, 12/15/18			665		680,727
New Jersey Turnpike Authority RB
Series B
5.00%, 01/01/20			1,150		1,219,586
Series H
5.00%, 01/01/21	(PR 01/01/19)		675		695,013
State of New Jersey GO
5.00%, 06/01/21			1,760		1,921,093
Series H
5.25%, 07/01/19			405		424,047
Series Q
5.00%, 08/15/19			305		319,515
5.00%, 08/15/20			410		440,520

					76,275,748
NEW MEXICO — 0.73%
New Mexico Finance Authority RB
4.00%, 06/15/22			2,000		2,170,340
5.00%, 06/15/18			3,050		3,082,666
State of New Mexico GO
Series B
5.00%, 03/01/21			1,500		1,641,285
5.00%, 03/01/22			500		558,780
State of New Mexico Severance Tax Permanent Fund RB
Series B
4.00%, 07/01/20			1,750		1,844,850


Security		Principal (000s)		Value
4.00%, 07/01/21		$	1,000	$	1,071,800
4.00%, 07/01/22			845		915,481

					11,285,202
NEW YORK — 16.12%
City of New York NY GO
Series 1
5.00%, 08/01/20			1,000		1,079,930
Series A
4.00%, 08/01/18			3,000		3,034,290
5.00%, 08/01/18			3,600		3,655,944
5.00%, 08/01/19			6,100		6,398,412
5.00%, 08/01/20			1,000		1,079,930
5.00%, 08/01/21			2,025		2,238,597
5.00%, 08/01/22			1,000		1,126,120
Series B
5.00%, 08/01/18			4,165		4,229,724
5.00%, 08/01/19			1,000		1,048,920
5.00%, 08/01/20			520		561,564
5.00%, 08/01/21			4,120		4,554,578
Series C
5.00%, 08/01/20			6,780		7,321,925
Series D
5.00%, 08/01/20			1,000		1,079,930
Series E
5.00%, 08/01/18			2,450		2,488,073
5.00%, 08/01/21			1,205		1,332,103
Series F
5.00%, 08/01/18			1,080		1,096,783
5.00%, 08/01/22	(Call 02/01/22)		1,000		1,114,780
Series G
5.00%, 08/01/18			1,390		1,411,601
5.00%, 08/01/19			500		524,460
Series G-1
5.00%, 04/01/22			2,000		2,236,460
Series I
5.00%, 08/01/18			1,400		1,421,756
5.00%, 08/01/22			2,025		2,280,393
Series J
5.00%, 08/01/19			1,200		1,258,704
5.00%, 08/01/21			425		469,829
5.00%, 08/01/22			1,105		1,244,363
County of Nassau NY GOL
Series A
5.00%, 01/01/21			500		541,640


Security		Principal (000s)		Value
Series C
5.00%, 10/01/21		$	400	$	440,968
Hudson Yards Infrastructure Corp. RB Series A
5.00%, 02/15/22			1,000		1,118,720
Long Island Power Authority RB
Series A
0.00%, 06/01/21^a			1,000		932,310
6.00%, 05/01/33	(PR 05/01/19)		2,000		2,101,500
Series B
5.25%, 04/01/19	(ETM)		250		259,959
Metropolitan Transportation Authority RB
4.00%, 11/15/33	(Put 11/15/20)^b		500		524,675
Series A
5.75%, 07/01/18	(AGM-CR)		30		30,435
Series A-1
5.00%, 11/15/45	(Put 11/15/20)^b		2,000		2,159,240
Series B
5.00%, 11/15/22			900		1,018,854
5.00%, 11/15/34	(PR 11/15/19)		2,000		2,116,520
Series B-4
5.00%, 11/15/30	(Put 11/15/19)^b		1,000		1,055,820
Series C
5.00%, 11/15/19			1,000		1,058,600
Series C-2B
5.00%, 11/15/34	(Put 02/15/20)^b		500		529,770
Series D
5.00%, 11/15/18			605		620,470
5.00%, 11/15/19			2,035		2,154,251
5.00%, 11/15/20			1,860		2,020,387
5.00%, 11/15/21			1,000		1,111,070
Series F
5.00%, 11/15/18			325		333,310
5.00%, 11/15/19			1,700		1,799,620
New York City Transitional Finance Authority Building Aid Revenue RB Series S-1
5.00%, 07/15/20	(SAW)		500		539,240


Security		Principal (000s)		Value
New York City Transitional Finance Authority Future Tax Secured Revenue RB
4.00%, 05/01/18		$	3,000	$	3,013,770
5.00%, 11/01/22			1,500		1,699,395
Series A-1
5.00%, 11/01/19			500		528,640
5.00%, 08/01/22			5,000		5,637,350
Series B
4.50%, 11/01/19			580		608,478
Series C
5.00%, 11/01/19			1,500		1,585,920
5.00%, 11/01/20			2,000		2,174,420
5.00%, 11/01/21			1,000		1,112,190
Series E
5.00%, 11/01/18			4,915		5,036,745
Series F-1
5.00%, 05/01/22			305		342,152
New York City Water & Sewer System RB
Series DD
5.00%, 06/15/22			135		152,442
Series GG
5.00%, 06/15/20			500		539,055
New York City Water & Sewer System RB BAB Series EE
5.00%, 06/15/18	(ETM)		1,000		1,010,680
New York Local Government Assistance Corp. RB
Series A
5.00%, 04/01/18			435		436,322
5.00%, 04/01/20	(Call 04/02/18)		505		506,550
Series A-5/6
5.50%, 04/01/19			500		522,180
New York Municipal Bond Bank Agency RB
5.00%, 12/01/21			775		863,862
New York State Dormitory Authority RB
5.00%, 03/15/18			4,345		4,350,996
5.50%, 05/15/21	(AMBAC)		200		223,720
Series 2014
5.00%, 02/15/20			2,000		2,132,600


Security		Principal (000s)		Value
Series 2015-B
5.00%, 03/15/19		$	2,000	$	2,074,000
Series A
4.00%, 05/15/18			1,000		1,005,310
5.00%, 02/15/19			1,000		1,034,140
5.00%, 03/15/19			1,250		1,296,250
5.00%, 12/15/19			200		212,286
5.00%, 02/15/20			1,000		1,066,300
5.00%, 03/15/20			2,340		2,502,162
5.00%, 12/15/20			850		927,206
5.00%, 02/15/21			4,000		4,373,680
5.00%, 03/15/21			2,100		2,302,902
5.00%, 12/15/21			700		781,067
5.00%, 02/15/22			4,000		4,466,760
5.00%, 03/15/22			2,125		2,380,637
Series B
5.00%, 03/15/20			800		854,608
5.00%, 02/15/23			2,000		2,271,460
Series C
5.00%, 03/15/18			1,050		1,051,449
5.00%, 03/15/19	(PR 03/15/18)		4,235		4,240,887
5.00%, 03/15/20	(PR 03/15/18)		10,000		10,013,900
Series D
5.00%, 06/15/18	(ETM)		340		343,631
5.00%, 06/15/18			290		293,115
5.00%, 02/15/20			2,000		2,132,600
5.00%, 02/15/22			950		1,060,856
Series E
5.00%, 02/15/19	(ETM)		2,280		2,358,067
5.00%, 03/15/20			1,100		1,175,086
5.00%, 03/15/21			200		219,136
5.00%, 03/15/22			405		453,053
New York State Environmental Facilities Corp. RB
Series A
5.00%, 06/15/19			2,000		2,091,420
5.00%, 06/15/21			1,800		1,990,242
New York State Thruway Authority Highway & Bridge Trust Fund RB Series B
5.00%, 04/01/18			1,710		1,715,130


Security		Principal (000s)		Value
New York State Thruway Authority RB
Series A
5.00%, 05/01/19		$	12,885	$	13,400,142
5.00%, 03/15/21	(Call 09/15/20)		850		922,429
5.00%, 03/15/27	(PR 09/15/18)		6,000		6,119,520
Series B
5.50%, 04/01/20	(AMBAC)		3,240		3,502,375
Series H
5.00%, 01/01/20	(Call 04/02/18) (NPFGC)		750		752,198
New York State Urban Development Corp. RB
5.00%, 03/15/20			2,000		2,136,520
5.50%, 03/15/19	(AMBAC)		400		416,852
5.50%, 03/15/20	(NPFGC)		700		754,761
Series A
5.00%, 03/15/18			2,000		2,002,760
5.00%, 03/15/19			7,105		7,367,885
5.00%, 03/15/20			1,000		1,068,260
5.00%, 03/15/21			500		547,840
5.00%, 03/15/22			5,000		5,593,250
5.00%, 03/15/23			1,000		1,137,380
Series A-2
5.00%, 01/01/20			1,500		1,593,015
Series B
5.00%, 01/01/21	(Call 07/01/18)		1,000		1,011,670
Series C
5.00%, 03/15/21			4,860		5,325,005
5.00%, 12/15/21	(Call 12/15/19)		3,000		3,181,020
Series D
5.50%, 01/01/19			770		795,964
Port Authority of New York & New Jersey RB Series 179
5.00%, 12/01/18			675		693,137
Sales Tax Asset Receivable Corp. RB
Series A
5.00%, 10/15/19			1,200		1,268,316
5.00%, 10/15/20			1,425		1,550,699
5.00%, 10/15/21			2,835		3,158,842
5.00%, 10/15/22			1,000		1,136,930


Security		Principal (000s)		Value
Triborough Bridge & Tunnel Authority RB
5.50%, 11/15/21		$	1,000	$	1,130,400
Series A
5.00%, 11/15/20	(PR 05/15/18)		400		403,060
5.00%, 11/15/22			2,635		2,986,772
5.00%, 11/15/33	(PR 05/15/18)		3,000		3,022,950
5.00%, 11/15/37	(PR 05/15/18)		4,000		4,030,600
Series B
5.00%, 11/15/18			785		805,182
5.00%, 11/15/19			285		301,701
5.00%, 11/15/20			1,420		1,546,394
Series E
5.50%, 11/15/19	(NPFGC)		990		1,055,093
Utility Debt Securitization Authority RB
Series B
5.00%, 12/15/20	(Call 12/15/18)		1,000		1,028,430

					247,668,687
NORTH CAROLINA — 3.53%
City of Charlotte NC Water & Sewer System Revenue RB
5.00%, 07/01/20			1,000		1,078,170
5.00%, 07/01/21			1,705		1,885,236
County of Mecklenburg NC GO Series C
5.00%, 03/01/18			500		500,000
County of Wake NC GO
5.00%, 03/01/19			1,235		1,278,880
5.00%, 02/01/20			1,175		1,251,598
Series 2010C
5.00%, 03/01/22			360		403,646
Series C
5.00%, 03/01/20			2,895		3,091,252
5.00%, 03/01/21			1,075		1,178,566
North Carolina Eastern Municipal Power Agency RB
Series A
5.00%, 01/01/21	(ETM)		2,350		2,557,247
Series B
5.00%, 01/01/21	(ETM)		3,615		3,944,290
5.00%, 01/01/26	(PR 01/01/19)		3,000		3,089,820


Security		Principal (000s)		Value
North Carolina Municipal Power Agency No. 1 RB
4.00%, 01/01/19	(ETM)	$	855	$	873,562
4.00%, 01/01/19			1,825		1,863,252
State of North Carolina GO
Series 2013-D
4.00%, 06/01/20			1,000		1,053,430
Series A
5.00%, 03/01/18			1,000		1,000,000
5.00%, 06/01/22			1,000		1,126,760
Series B
5.00%, 06/01/18			240		242,220
5.00%, 06/01/19			1,575		1,644,032
Series C
4.00%, 05/01/20			800		841,184
4.00%, 05/01/21			600		641,940
4.00%, 05/01/22			1,200		1,301,904
5.00%, 05/01/18			3,715		3,737,847
5.00%, 05/01/19			1,105		1,150,349
5.00%, 05/01/22			2,000		2,249,600
Series D
4.00%, 06/01/21			825		884,144
4.00%, 06/01/22			1,500		1,629,195
Series E
5.00%, 05/01/19			1,300		1,353,352
5.00%, 05/01/20			2,100		2,252,607
State of North Carolina RB
5.00%, 03/01/18			1,545		1,545,000
5.00%, 03/01/20			1,000		1,065,550
5.00%, 03/01/21			500		546,175
5.00%, 03/01/22			2,400		2,674,296
Series C
5.00%, 05/01/21			2,000		2,200,460
5.00%, 05/01/22			1,860		2,089,747

					54,225,311
OHIO — 0.57%
State of Ohio GO
Series A
5.00%, 09/15/21			2,000		2,218,300
Series Q
5.00%, 05/01/26	(PR 05/01/22)		635		713,975
State of Ohio RB
Series 2008-1
5.75%, 06/15/19	(PR 06/15/18)		850		860,872


Security		Principal (000s)		Value
Series B
5.00%, 12/15/18		$	3,850	$	3,959,763
5.00%, 12/15/19			1,000		1,060,890

					8,813,800
OKLAHOMA — 0.01%
Oklahoma Capital Improvement Authority RB
Series A
5.00%, 07/01/18			100		101,204

					101,204
OREGON — 0.51%
City of Portland OR Sewer System Revenue RB
Series A
5.00%, 06/15/18	(ETM)		1,000		1,010,650
5.00%, 06/01/20			1,000		1,075,650
5.00%, 06/01/21			450		496,562
Oregon State Lottery RB
Series A
5.25%, 04/01/26	(PR 04/01/19)		2,000		2,081,600
State of Oregon Department of Transportation RB
Series A
5.00%, 11/15/33	(PR 05/15/19)		2,500		2,605,700
Tri-County Metropolitan Transportation District of Oregon RB
5.00%, 11/01/18	(Call 04/02/18)		600		601,776

					7,871,938
PENNSYLVANIA — 3.70%
City of Philadelphia PA Water & Wastewater Revenue RB
Series A
5.00%, 01/01/20			400		423,832
Commonwealth of Pennsylvania GO
5.00%, 03/15/20			1,000		1,063,270
First Series
5.00%, 07/01/18			400		404,884
5.00%, 11/15/18			900		922,950
5.00%, 07/01/20			1,225		1,312,882
5.00%, 03/15/21			1,000		1,085,780
5.00%, 08/15/22			2,000		2,226,380
5.00%, 01/01/23			2,050		2,286,713


Security		Principal (000s)		Value
Second Series
5.00%, 07/01/19		$	3,100	$	3,239,407
5.00%, 09/15/20			1,000		1,077,430
5.00%, 01/15/21			1,000		1,081,490
5.00%, 09/15/21			3,000		3,293,910
5.00%, 01/15/22			3,000		3,302,850
Series A
5.00%, 05/01/18			2,700		2,716,551
Pennsylvania Economic Development Financing Authority RB
5.00%, 07/01/20	(Call 07/01/19)		1,120		1,171,128
5.00%, 01/01/21	(Call 01/01/19)		2,130		2,190,897
Series A
5.00%, 07/01/18			1,685		1,705,405
5.00%, 07/01/19			4,065		4,253,860
Series B
5.00%, 01/01/20	(Call 07/01/19)		720		752,666
Pennsylvania Turnpike Commission RB
5.00%, 06/01/20			500		534,385
6.00%, 12/01/36	(PR 12/01/20)		3,960		4,393,580
Series B
5.00%, 12/01/18			500		513,510
5.75%, 06/01/39	(PR 06/01/19)		5,000		5,261,450
Series C
6.25%, 06/01/38	(PR 06/01/18) (AGC)		4,205		4,256,091
Series D
5.13%, 12/01/40	(PR 12/01/19)		2,000		2,119,520
5.50%, 12/01/41	(PR 12/01/19)		5,000		5,330,950

					56,921,771
RHODE ISLAND — 0.03%
Rhode Island Commerce Corp. RB
Series A
5.00%, 06/15/19			500		521,740

					521,740
SOUTH CAROLINA — 0.22%
City of Charleston SC Waterworks & Sewer System Revenue RB
5.00%, 01/01/41	(PR 01/01/21)		1,055		1,151,100


Security		Principal (000s)		Value
Greenville County School District RB
4.63%, 12/01/20	(AGC)	$	325	$	349,947
South Carolina Public Service Authority RB
Series B
5.00%, 12/01/18	(ETM)		1,000		1,026,950
South Carolina Transportation Infrastructure Bank RB
Series B
5.00%, 10/01/18			350		357,112
State of South Carolina GO
Series A
5.00%, 06/01/18			555		560,106

					3,445,215
TENNESSEE — 0.58%
County of Shelby TN GO
Series A
5.00%, 04/01/18			2,225		2,231,764
5.00%, 04/01/20			1,500		1,604,565
Metropolitan Government of Nashville & Davidson County TN GO
Series A
5.00%, 07/01/18			1,500		1,518,420
State of Tennessee GO
Series A
5.00%, 08/01/19			500		524,315
5.00%, 08/01/20			375		405,251
5.00%, 08/01/21			1,900		2,105,067
5.00%, 08/01/22			400		452,436

					8,841,818
TEXAS — 6.61%
Austin Independent School District GO
5.00%, 08/01/33	(PR 08/01/18)		4,650		4,721,284
Central Texas Regional Mobility Authority RB
Series B
5.00%, 01/01/45	(Put 0/06/21)^b		500		530,915
Central Texas Turnpike System RB
0.00%, 08/15/21	(AMBAC)^a		3,375		3,126,229


Security		Principal (000s)		Value
Series A
5.00%, 08/15/42	(Put 04/01/20)^b	$	1,450	$	1,538,189
City of Dallas TX GOL
5.00%, 02/15/21			1,600		1,736,944
Series A
5.00%, 02/15/20			1,295		1,377,504
City of Houston TX Combined Utility System Revenue RB
Series C
5.00%, 11/15/18			3,785		3,881,517
5.00%, 05/15/20			1,000		1,071,700
City of Houston TX GOL
Series A
4.50%, 03/01/19			930		958,077
4.50%, 03/01/19	(ETM)		95		97,810
5.00%, 03/01/18			3,305		3,305,000
5.00%, 03/01/19			1,135		1,174,861
5.00%, 03/01/20	(Call 03/01/19)		40		41,360
5.00%, 03/01/20	(PR 03/01/19)		310		320,698
5.00%, 03/01/23			1,500		1,696,965
City of San Antonio TX Electric & Gas Systems Revenue RB
3.00%, 12/01/45	(Put 12/01/20)^b		1,000		1,020,660
5.00%, 02/01/19			1,100		1,135,926
5.00%, 02/01/20			5,050		5,377,240
5.00%, 02/01/21			3,000		3,272,190
5.00%, 02/01/22			1,275		1,421,855
Series B
2.00%, 02/01/33	(Put 12/01/21)^b		500		498,915
City of San Antonio TX GOL
5.00%, 02/01/19			1,800		1,858,284
5.00%, 02/01/20			1,500		1,596,900
County of Harris TX GO
Series C
5.25%, 08/15/19	(AGM)		1,000		1,054,280
Cypress-Fairbanks Independent School District GO
Series A-3
3.00%, 02/15/43	(Put 08/17/20)^b		810		833,069
Series B-3
4.00%, 02/15/40	(Put 11/01/22) (PSF)^b		500		516,795
Dallas Area Rapid Transit RB
5.25%, 12/01/43	(PR 12/01/18)		1,760		1,810,688


Security		Principal (000s)		Value
Fort Worth Independent School District GO
5.00%, 02/15/19	(PSF)	$	500	$	516,875
5.00%, 02/15/21	(PSF)		1,000		1,091,310
Houston Independent School District GOL
5.00%, 02/15/19	(PSF)		1,000		1,033,460
5.00%, 02/15/22			1,780		1,986,996
Series A
5.00%, 02/15/21	(PSF)		1,750		1,911,910
Series A-2
3.00%, 06/01/39	(Put 06/01/19)^b		1,000		1,017,200
Mesquite Independent School District GO
Series E
5.00%, 08/15/20	(PSF)		100		108,070
North Texas Tollway Authority RB
Series A
5.00%, 01/01/19			500		514,340
5.00%, 01/01/20			1,750		1,854,913
5.00%, 01/01/21			500		544,095
5.00%, 01/01/22			1,000		1,112,410
5.00%, 01/01/23			1,200		1,360,212
Series C
1.95%, 01/01/38	(Put 01/01/19)^b		1,000		1,000,500
Series D
5.00%, 09/01/32	(PR 09/01/21)		2,820		3,120,499
Northside Independent School District GO
1.45%, 06/01/47	(Put 06/01/20)^b		1,000		992,100
San Antonio Water System RB
Series B
2.00%, 05/01/44	(Put 11/01/22)^b		800		792,936
State of Texas GO
5.00%, 04/01/18			2,600		2,607,904
5.00%, 10/01/19			1,400		1,476,468
5.00%, 10/01/21			3,000		3,328,110
5.00%, 04/01/23	(PR 04/01/18)		3,000		3,009,300
5.00%, 04/01/24	(PR 04/01/18)		2,195		2,201,804
Series A
5.00%, 10/01/18			700		715,092
5.00%, 10/01/19			1,000		1,054,620


Security		Principal (000s)		Value
Texas State University System RB
Series A
5.00%, 03/15/20		$	1,000	$	1,067,840
5.00%, 03/15/21			1,250		1,368,050
Texas Transportation Commission State Highway Fund RB
4.00%, 10/01/18			500		507,780
5.00%, 10/01/20			1,000		1,083,220
5.00%, 10/01/21			1,120		1,242,080
Series A
5.00%, 04/01/19			2,000		2,076,920
5.00%, 10/01/19			750		791,205
5.00%, 04/01/21			2,615		2,865,465
5.00%, 10/01/21			1,500		1,663,500
5.00%, 04/01/22			2,050		2,294,073
University of Texas System (The) RB
Series B
5.00%, 08/15/18			1,675		1,703,107
5.00%, 08/15/19			525		551,303
5.00%, 08/15/22			1,125		1,268,606
Series D
5.00%, 08/15/21			3,400		3,759,006

					101,569,134
UTAH — 2.45%
Intermountain Power Agency RB
Series A
5.00%, 07/01/18			2,250		2,276,865
5.00%, 07/01/21	(Call 07/01/18)		1,140		1,152,848
5.00%, 07/01/22	(Call 07/01/18)		1,000		1,011,200
State of Utah GO
5.00%, 07/01/22			2,000		2,258,300
Series 2011-A
5.00%, 07/01/24	(PR 07/01/21)		2,460		2,719,186
Series A
5.00%, 07/01/18			1,000		1,012,380
5.00%, 07/01/20	(PR 07/01/18)		3,630		3,674,431
5.00%, 07/01/20			2,000		2,156,340
5.00%, 07/01/21	(PR 07/01/18)		2,000		2,024,480
5.00%, 07/01/26	(PR 07/01/21)		6,430		7,107,465
Series C
5.00%, 07/01/18			5,000		5,061,900


Security		Principal (000s)		Value
Utah Transit Authority RB
Series A
4.75%, 06/15/32	(PR 06/15/18) (AGM)	$	3,865	$	3,903,418
5.00%, 06/15/32	(PR 06/15/18) (AGM)		1,330		1,344,164
5.00%, 06/15/36	(PR 06/15/18) (AGM)		2,000		2,021,300

					37,724,277
VIRGINIA — 0.97%
Commonwealth of Virginia GO
Series D
5.00%, 06/01/18			2,600		2,624,180
County of Fairfax VA GO
Series B
4.00%, 04/01/19	(SAW)		860		883,701
County of Loudoun VA GO
Series B
5.00%, 11/01/19			1,980		2,092,741
Virginia Commonwealth Transportation Board RB
5.00%, 05/15/34	(PR 05/15/21) (SAP)		1,055		1,162,357
Series A
5.00%, 05/15/23			200		228,226
Virginia Public Building Authority RB
Series C
5.00%, 08/01/18			3,000		3,045,750
Virginia Public School Authority RB
4.00%, 08/01/19	(SAW)		1,120		1,160,141
4.00%, 08/01/20	(SAW)		2,500		2,636,625
Series C
5.00%, 08/01/18	(SAW)		1,000		1,015,500

					14,849,221
WASHINGTON — 3.30%
City of Seattle WA Municipal Light & Power Revenue RB
Series B
5.00%, 02/01/19			500		516,330
County of King WA Sewer Revenue RB
5.00%, 01/01/39	(PR 01/01/19)		3,035		3,124,593


Security		Principal (000s)		Value
Energy Northwest RB
5.00%, 07/01/22		$	1,195	$	1,344,029
Series A
5.00%, 07/01/18			7,420		7,510,079
5.00%, 07/01/19			1,735		1,815,834
5.00%, 07/01/20			305		328,479
5.00%, 07/01/21			3,185		3,506,313
5.00%, 07/01/23			1,000		1,141,950
5.25%, 07/01/18			1,275		1,291,524
State of Washington GO
5.00%, 07/01/19			500		523,160
5.00%, 02/01/20			1,000		1,064,800
5.00%, 07/01/22			2,800		3,152,912
Series 2010-B
5.00%, 08/01/34	(PR 08/01/19)		1,500		1,572,285
Series 2010E
5.00%, 02/01/20			2,500		2,662,000
Series 2011A
5.00%, 08/01/33	(PR 08/01/20)		4,000		4,323,680
Series 2012-A
5.00%, 07/01/19			2,500		2,615,800
Series A
5.00%, 07/01/31	(PR 07/01/18)		350		354,284
Series R-2010A
5.00%, 01/01/21	(PR 01/01/19)		1,000		1,029,940
Series R-2011A
5.00%, 01/01/21			1,000		1,089,060
Series R-2011B
5.00%, 07/01/20			520		559,530
Series R-2011C
5.00%, 07/01/18			600		607,242
Series R-2012A
5.00%, 07/01/18			785		794,475
Series R-2012C
5.00%, 07/01/18			2,000		2,024,140
5.00%, 07/01/20			1,000		1,076,020
Series R-2013C
5.00%, 07/01/18			2,000		2,024,140
Series R-2015-C
5.00%, 07/01/20			1,000		1,076,020
Series R-2017A
5.00%, 08/01/21			1,000		1,105,480


Security		Principal (000s)		Value
State of Washington RB
5.00%, 09/01/19		$	500	$	524,975
5.00%, 09/01/20			1,010		1,090,123
5.00%, 09/01/21			300		330,894
Series C
5.00%, 09/01/18			500		508,760

					50,688,851
WISCONSIN — 1.82%
State of Wisconsin Environmental Improvement Fund Revenue RB
Series A
5.00%, 06/01/19			2,500		2,608,925
State of Wisconsin GO
Series 1
5.00%, 05/01/19			1,200		1,249,680
5.00%, 05/01/20			1,000		1,072,890
5.00%, 11/01/21			2,000		2,228,160
Series 2
5.00%, 11/01/18			4,575		4,686,127
5.00%, 11/01/19			2,175		2,300,693
5.00%, 11/01/21			2,000		2,228,160
5.00%, 11/01/22			2,000		2,271,580
Series 4
5.00%, 05/01/20			1,000		1,072,890
Wisconsin Department of Transportation RB
Series 1
5.00%, 07/01/21			2,000		2,207,300
5.00%, 07/01/22			1,765		1,987,460
Series A
5.00%, 07/01/20	(AGM)		560		603,109
Series I
5.00%, 07/01/18	(NPFGC)		2,060		2,084,864
5.00%, 07/01/19	(NPFGC)		290		303,433
5.00%, 07/01/20	(NPFGC)		960		1,033,901

					27,939,172

TOTAL MUNICIPAL BONDS & NOTES
(Cost: $1,539,751,202)					1,529,689,434


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 0.25%

MONEY MARKET FUNDS — 0.25%
BlackRock Liquidity Funds: MuniCash
0.94%^c,d		3,910	$	3,910,314

				3,910,314

TOTAL SHORT-TERM INVESTMENTS
(Cost: $3,909,911)				3,910,314

TOTAL INVESTMENTS IN SECURITIES — 99.79%
(Cost: $1,543,661,113)				1,533,599,748
Other Assets, Less Liabilities — 0.21%				3,191,009

NET ASSETS — 100.00%			$	1,536,790,757

BAB — Build America Bond

COP — Certificates of Participation

ETM — Escrowed to Maturity

GO — General Obligation

GOL — General Obligation Limited

GTD — Guaranteed by the Commonwealth, County or State

PR — Prerefunded

PSF — Permanent School Fund

RB — Revenue Bond

SAP — Subject to Appropriations

SAW — State Aid Withholding

ST — Special Tax

Insured by:

AGC — Assured Guaranty Corp.

AGM — Assured Guaranty Municipal Corp.

AGM-CR — AGM Insured Custodial Receipts

AMBAC — Ambac Assurance Corp.

FGIC — Financial Guaranty Insurance Co.

HERBIP — Higher Education Revenue Bond Intercept Program

NPFGC — National Public Finance Guarantee Corp.

^a	Zero-coupon bond.

^b	Variable rate security that is payable on demand on each reset date. Rate shown is the rate in effect as of period end.

^c	Affiliate of the Fund.

^d	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security		Principal (000s)		Value
MUNICIPAL BONDS & NOTES — 99.05%

NEW YORK — 99.05%
Battery Park City Authority RB
Series A
5.00%, 11/01/21		$	1,115	$	1,245,555
5.00%, 11/01/22			365		415,965
5.00%, 11/01/23			200		232,090
5.00%, 11/01/24	(Call 11/01/23)		955		1,107,112
Brooklyn Arena Local Development Corp. RB
6.25%, 07/15/40	(PR 01/15/20)		125		135,613
6.38%, 07/15/43	(PR 01/15/20)		700		761,033
City of New York NY GO
5.00%, 08/01/26	(Call 08/01/25)		250		291,682
Series 1
5.00%, 08/01/23			250		286,087
Series A
5.00%, 08/01/21			500		552,740
5.00%, 08/01/22			500		563,060
5.00%, 08/01/23			400		457,740
5.00%, 08/01/26	(Call 02/01/24)		350		400,925
5.00%, 08/01/28	(Call 08/01/27)		1,000		1,188,220
Series A-1
5.00%, 08/01/27	(Call 08/01/21)		250		274,800
5.00%, 08/01/31	(Call 08/01/21)		200		219,076
5.00%, 10/01/32	(Call 10/01/22)		500		555,835
5.00%, 08/01/33	(Call 08/01/26)		500		571,860
5.00%, 08/01/37	(Call 08/01/26)		500		565,520
Series B
5.00%, 08/01/20			100		107,993
Series B-1
5.00%, 12/01/33	(Call 12/01/26)		565		649,004
5.00%, 12/01/41	(Call 12/01/26)		250		281,848
5.25%, 09/01/20	(Call 09/01/18)		195		198,726
Series C
5.00%, 08/01/19			680		713,266
5.00%, 08/01/20			500		539,965
5.00%, 08/01/21	(Call 08/01/19)		300		314,286
5.00%, 08/01/23			500		572,175
5.00%, 08/01/26			1,000		1,185,280
5.00%, 08/01/28	(Call 02/01/27)		645		760,700
5.00%, 08/01/31	(Call 02/01/28)		1,900		2,230,866
5.00%, 08/01/33	(Call 02/01/25)		250		284,517


Security		Principal (000s)		Value
Series D-1
5.00%, 10/01/30	(Call 10/01/21)	$	500	$	548,665
Series E
5.00%, 08/01/23			740		846,819
5.00%, 08/01/24			470		544,655
5.00%, 08/01/27	(PR 08/01/19)		145		151,905
5.00%, 08/01/27	(Call 08/01/19)		355		371,699
Series E-1
4.00%, 03/01/41	(Call 03/01/28)		400		411,944
Series F
5.00%, 08/01/21			240		265,315
5.00%, 08/01/31	(Call 02/01/22)		250		274,828
Series F-1
5.00%, 03/01/32	(Call 03/01/23)		350		390,516
5.00%, 03/01/37	(Call 03/01/23)		500		553,425
Series F-3
5.00%, 12/01/25			500		589,065
Series G-1
5.00%, 04/01/22			500		559,115
5.00%, 04/01/26	(Call 04/01/22)		1,000		1,106,630
5.00%, 04/01/27	(Call 04/01/22)		250		276,555
Series H-1
5.00%, 03/01/23	(Call 03/01/19)		490		506,567
Series I
5.00%, 08/01/23	(Call 08/01/22)		1,000		1,121,620
5.00%, 08/01/27	(Call 08/01/22)		725		807,991
Series I-1
5.00%, 04/01/23	(Call 04/01/19)		160		165,821
Series J
5.00%, 08/01/19			250		262,230
5.00%, 08/01/21			600		663,288
5.00%, 08/01/25	(Call 08/01/24)		1,100		1,275,439
5.00%, 08/01/32	(Call 08/01/24)		525		599,650
Series J-1
5.00%, 05/15/33	(PR 05/15/19)		160		166,589
5.00%, 05/15/33	(Call 05/15/19)		240		249,180
5.00%, 05/15/36	(PR 05/15/19)		220		229,060
5.00%, 05/15/36	(Call 05/15/19)		685		710,866
Series L-1
5.00%, 04/01/25	(PR 04/01/18)		810		812,454
City of New York NY GOL
Series F-1
5.00%, 06/01/35	(Call 06/01/25)		500		570,620


Security		Principal (000s)		Value
County of Nassau NY GOL
Series A
5.00%, 01/01/22		$	500	$	551,340
Series B
5.00%, 04/01/43	(Call 04/01/23)		500		548,020
Series C
5.00%, 10/01/21			500		551,210
5.00%, 10/01/27			500		585,900
County of Westchester NY GOL
Series A
5.00%, 01/01/22			600		670,746
Dutchess County Local Development Corp. RB
5.00%, 07/01/42	(Call 07/01/27)		750		854,227
Erie County Industrial Development Agency (The) RB
Series A
5.00%, 05/01/31	(PR 05/01/20) (SAW)		100		104,104
Hudson Yards Infrastructure Corp. RB
5.25%, 02/15/47	(PR 02/15/21)		20		22,018
5.25%, 02/15/47	(Call 02/15/21)		480		515,640
5.75%, 02/15/47	(PR 02/15/21)		615		684,919
5.75%, 02/15/47	(Call 02/15/21)		385		421,317
Series A
4.00%, 02/15/44	(Call 02/15/27)		1,200		1,231,812
5.00%, 02/15/23			250		285,070
5.00%, 02/15/26			200		236,172
5.00%, 02/15/29	(Call 02/15/27)		400		468,216
5.00%, 02/15/31	(Call 02/15/27)		100		115,940
5.00%, 02/15/33	(Call 02/15/27)		500		575,030
5.00%, 02/15/35	(Call 02/15/27)		1,400		1,599,486
5.00%, 02/15/38	(Call 02/15/27)		500		568,740
5.00%, 02/15/39	(Call 02/15/27)		200		227,328
5.00%, 02/15/42	(Call 02/15/27)		200		226,000
5.00%, 02/15/45	(Call 02/15/27)		650		732,355
Long Island Power Authority RB
5.00%, 09/01/42	(Call 09/01/27)		1,000		1,128,940
Series 2015-B
5.00%, 09/01/45	(Call 09/01/25)		750		834,075
Series A
5.00%, 09/01/35	(Call 09/01/24)		250		278,380
5.00%, 05/01/38	(PR 05/01/22)		1,000		1,099,910


Security		Principal (000s)		Value
5.00%, 09/01/44	(Call 09/01/24)	$	1,000	$	1,111,660
5.50%, 04/01/22	(PR 04/01/19)		500		521,515
5.50%, 05/01/33	(PR 05/01/19) (BHAC)		1,760		1,841,312
5.75%, 04/01/39	(PR 04/01/19)		380		397,366
6.25%, 04/01/33	(PR 04/01/19)		250		262,483
Series B
5.00%, 09/01/29	(Call 09/01/22)		250		278,230
5.00%, 09/01/30	(Call 09/01/26)		965		1,106,479
5.00%, 09/01/41	(Call 09/01/26)		500		560,175
5.25%, 04/01/19	(ETM)		290		301,544
Metropolitan Transportation Authority RB
4.00%, 11/15/33	(Put 11/15/20)^a		150		157,403
Series 2015-C
5.00%, 11/15/34	(Call 11/15/25)		350		397,295
Series A
0.00%, 11/15/30^b			850		551,131
5.00%, 11/15/18			250		256,393
5.00%, 11/15/24	(Call 11/15/22)		250		283,375
5.00%, 11/15/37	(PR 11/15/21)		455		508,130
5.00%, 11/15/46	(PR 11/15/21)		500		558,385
5.50%, 11/15/39	(PR 11/15/18)		700		720,685
Series A-1
5.00%, 11/15/40	(Call 05/15/25)		1,330		1,482,857
5.00%, 11/15/44	(Call 11/15/23)		350		390,701
5.00%, 11/15/51	(Call 05/15/27)		1,000		1,115,430
5.25%, 11/15/56	(Call 05/15/26)		200		225,824
Series A-2
5.00%, 11/15/27	(Call 11/15/26)		500		586,950
Series B
5.00%, 11/15/22			600		679,236
5.00%, 11/15/24			500		581,375
5.00%, 11/15/26			625		737,931
5.00%, 11/15/34	(PR 11/15/20)		650		687,869
5.00%, 11/15/37	(Call 11/15/26)		1,000		1,130,870
5.00%, 11/15/44	(Call 05/15/24)		400		440,196
Series B-1
5.00%, 11/15/35	(Call 11/15/27)		1,000		1,159,020
5.00%, 11/15/46	(Call 11/15/26)		630		713,979
Series C
5.00%, 11/15/22	(ETM)		150		170,894
5.00%, 11/15/22			260		294,336


Security		Principal (000s)		Value
5.00%, 11/15/41	(PR 11/15/22)	$	225	$	256,340
5.00%, 11/15/41	(Call 11/15/22)		275		303,259
5.00%, 11/15/42	(Call 05/15/23)		1,200		1,330,008
6.25%, 11/15/23	(Call 11/15/18)		20		20,684
6.25%, 11/15/23	(PR 11/15/18)		80		82,782
Series C-1
4.00%, 11/15/35	(Call 05/15/28)		2,000		2,081,600
4.00%, 11/15/38	(Call 05/15/28)		400		413,200
5.00%, 11/15/25			200		234,370
5.00%, 11/15/34	(Call 05/15/28)		1,200		1,392,372
Series C-2B
5.00%, 11/15/34	(Put 02/15/20)^a		250		264,885
Series D
4.00%, 11/15/32	(Call 11/15/22)		250		259,433
5.00%, 11/15/19			690		730,434
5.00%, 11/15/25	(Call 11/15/22)		230		258,396
5.00%, 11/15/27	(Call 11/15/19)		270		285,071
5.00%, 11/15/28	(Call 11/15/22)		500		559,595
5.00%, 11/15/30	(Call 11/15/26)		500		576,900
5.00%, 11/15/30	(Call 11/15/22)		890		993,551
5.00%, 11/15/34	(PR 11/15/20)		1,015		1,106,472
5.00%, 11/15/38	(Call 11/15/23)		250		279,773
Series D-1
5.00%, 11/01/22			250		282,755
5.00%, 11/15/39	(Call 11/15/24)		900		1,012,590
Series E
4.00%, 11/15/38	(Call 11/15/22)		105		107,943
Series E-1
5.00%, 11/15/42	(PR 11/15/22)		310		353,180
5.00%, 11/15/42	(Call 11/15/22)		90		99,206
Series F
5.00%, 11/15/30	(Call 11/15/22)		250		279,088
Monroe County Industrial Development Corp./NY RB
Series C
4.00%, 07/01/43	(Call 07/01/27)		1,550		1,598,701
MTA Hudson Rail Yards Trust Obligations RB
Series A
5.00%, 11/15/56	(Call 11/15/23)		1,000		1,109,610
Nassau County Interim Finance Authority RB
Series 2015A
5.00%, 11/15/22			1,035		1,180,666


Security		Principal (000s)		Value
Nassau County Sewer & Storm Water Finance Authority RB
Series A
5.13%, 11/01/23	(PR 11/01/18) (BHAC)	$	250	$	256,195
5.38%, 11/01/28	(PR 11/01/18) (BHAC)		235		241,211
New York City Educational Construction Fund RB
Series A
5.75%, 04/01/41	(Call 04/01/21)		445		492,214
New York City Industrial Development Agency RB
1.08%, 07/01/25	(Put 03/07/18)^a		300		300,000
4.50%, 03/01/39	(Call 04/02/18) (FGIC)		270		270,221
5.00%, 03/01/31	(Call 04/02/18) (FGIC)		210		211,560
5.00%, 03/01/36	(Call 04/02/18) (NPFGC)		275		276,799
5.00%, 03/01/46	(Call 04/02/18) (FGIC)		455		457,575
New York City Transitional Finance Authority Building Aid Revenue RB
Series S-1
4.50%, 01/15/38	(Call 04/02/18) (SAW)		235		235,515
4.75%, 01/15/38	(Call 04/02/18) (SAW)		250		250,630
5.00%, 01/15/26	(Call 04/02/18) (SAW)		470		471,424
5.00%, 07/15/32	(Call 07/15/22) (SAW)		340		378,396
5.00%, 01/15/34	(Call 04/02/18) (SAW)		500		501,455
5.00%, 07/15/43	(Call 01/15/25) (SAW)		425		475,439
5.00%, 07/15/43	(Call 01/15/26) (SAW)		560		625,895
Series S-1A
5.00%, 07/15/33	(Call 07/15/21) (SAW)		420		458,409
Series S-2
5.00%, 07/15/40	(Call 07/15/25) (SAW)		500		565,660


Security		Principal (000s)		Value
Series S-3
5.25%, 01/15/30	(Call 01/15/19) (SAW)	$	500	$	515,950
Series S-4
5.50%, 01/15/39	(Call 01/15/19) (SAW)		500		516,715
New York City Transitional Finance Authority Future Tax Secured Revenue RB
5.00%, 05/01/29	(PR 05/01/19)		150		156,156
5.00%, 08/01/29	(Call 08/01/24)		500		572,685
5.00%, 11/01/29	(Call 05/01/27)		1,000		1,175,810
5.00%, 05/01/32	(Call 05/01/26)		500		573,475
5.00%, 08/01/36	(Call 08/01/25)		1,000		1,134,880
5.00%, 05/01/40	(Call 05/01/26)		1,000		1,127,620
5.00%, 02/01/41	(Call 02/01/25)		1,400		1,568,980
Series A
5.00%, 11/01/21			500		556,095
5.00%, 11/01/27	(Call 11/01/21)		400		443,528
5.00%, 11/01/38	(Call 11/01/23)		350		394,747
Series A-1
5.00%, 08/01/31	(Call 08/01/24)		340		387,481
5.00%, 08/01/33	(Call 08/01/24)		325		369,359
5.00%, 11/01/42	(Call 11/01/23)		400		450,468
Series A-2
5.00%, 08/01/36	(Call 08/01/27)		1,000		1,147,910
Series A-3
4.00%, 08/01/43	(Call 08/01/27)		400		411,380
Series B
5.00%, 11/01/18			1,005		1,029,894
5.00%, 11/01/19			400		422,912
5.00%, 11/01/20			350		380,523
5.00%, 11/01/20	(PR 11/01/19)		50		52,720
5.00%, 11/01/20	(Call 11/01/19)		125		132,139
5.00%, 11/01/30	(Call 11/01/22)		275		308,687
Series B-1
4.00%, 08/01/42	(Call 08/01/27)		1,350		1,389,501
5.00%, 11/01/28	(Call 11/01/25)		500		582,500
5.00%, 08/01/33	(Call 08/01/27)		1,000		1,161,160
5.00%, 11/01/35	(Call 11/01/25)		500		570,565
5.00%, 11/01/37	(Call 05/01/24)		1,500		1,693,725
5.00%, 08/01/40	(Call 08/01/26)		500		565,520
5.00%, 08/01/45	(Call 08/01/27)		1,000		1,133,110


Security		Principal (000s)		Value
Series C
5.00%, 11/01/21		$	500	$	556,095
5.00%, 11/01/25	(Call 05/01/25)		500		584,720
5.00%, 11/01/27	(Call 11/01/25)		500		584,395
5.00%, 11/01/33	(Call 11/01/20)		430		464,804
5.00%, 11/01/39	(Call 11/01/20)		250		269,153
Series D
5.00%, 11/01/23	(Call 05/01/20)		250		267,835
5.00%, 02/01/25	(Call 02/01/21)		155		168,786
5.00%, 02/01/27	(Call 02/01/21)		250		272,013
5.00%, 02/01/31	(Call 02/01/21)		300		325,614
5.00%, 02/01/35	(Call 02/01/21)		500		541,360
Series E
5.00%, 11/01/23	(Call 05/01/21)		115		126,154
Series E-1
5.00%, 02/01/29	(Call 02/01/26)		750		868,110
5.00%, 02/01/34	(Call 02/01/26)		500		567,330
5.00%, 02/01/36	(Call 02/01/27)		1,500		1,711,665
5.00%, 02/01/37	(Call 02/01/27)		200		227,722
5.00%, 02/01/39	(Call 02/01/26)		500		562,470
5.00%, 02/01/42	(Call 02/01/22)		250		273,650
Series F-1
5.00%, 05/01/36	(Call 05/01/27)		1,000		1,144,510
5.00%, 05/01/39	(Call 05/01/22)		670		738,059
Series I
5.00%, 05/01/42	(Call 05/01/23)		325		362,784
New York City Trust for Cultural Resources RB
5.00%, 04/01/31	(PR 10/01/19)		500		510,780
New York City Water & Sewer System RB
5.00%, 06/15/26	(Call 06/15/21)		750		823,200
5.00%, 06/15/29	(PR 06/15/18)		25		25,267
5.00%, 06/15/29	(Call 06/15/18)		160		161,626
5.00%, 06/15/31	(Call 06/15/21)		160		175,349
5.00%, 06/15/39	(Call 06/15/25)		1,360		1,538,677
5.00%, 06/15/44	(Call 12/15/21)		500		546,195
5.00%, 06/15/46	(Call 06/15/23)		195		217,866
5.38%, 06/15/43	(Call 12/15/20)		125		136,373
Series A
5.50%, 06/15/21	(PR 06/15/18)		660		667,986
Series AA
5.00%, 06/15/34	(Call 06/15/21)		420		457,766
5.00%, 06/15/44	(Call 06/15/21)		150		162,149


Security		Principal (000s)		Value
Series BB
4.00%, 06/15/47	(Call 12/15/22)	$	400	$	413,184
5.00%, 06/15/31	(Call 06/15/20)		610		654,792
5.00%, 06/15/46	(Call 06/15/25)		500		560,125
5.00%, 06/15/47	(Call 12/15/22)		460		507,619
Series BB-1
5.00%, 06/15/46	(Call 06/15/27)		625		711,500
Series BB-2
5.00%, 06/15/32	(Call 06/15/27)		500		584,480
Series CC
5.00%, 06/15/34	(Call 06/15/18)		200		202,014
5.00%, 06/15/45	(Call 12/15/21)		1,100		1,201,629
5.00%, 06/15/47	(Call 06/15/23)		700		781,347
Series CC-1
4.00%, 06/15/33	(Call 12/15/26)		250		264,220
5.00%, 06/15/47	(Call 06/15/24)		1,000		1,124,120
Series DD
5.00%, 06/15/29	(Call 06/15/24)		500		574,475
5.00%, 06/15/34	(Call 06/15/23)		205		231,306
5.00%, 06/15/35	(Call 06/15/23)		505		568,999
5.00%, 06/15/36	(Call 06/15/24)		500		566,370
5.00%, 06/15/39	(Call 06/15/24)		500		564,825
5.00%, 06/15/47	(Call 12/15/26)		1,500		1,697,940
Series EE
5.00%, 06/15/34	(Call 06/15/22)		500		554,785
5.00%, 06/15/36	(Call 06/15/27)		500		576,125
Series FF
5.00%, 06/15/25	(Call 06/15/20)		500		538,350
5.00%, 06/15/45	(Call 06/15/22)		1,250		1,378,900
Series FF-2
5.00%, 06/15/40	(Call 06/15/19)		250		260,020
Series GG
5.00%, 06/15/26	(Call 06/15/21)		260		285,376
5.00%, 06/15/37	(Call 06/15/25)		500		569,200
5.00%, 06/15/43	(Call 06/15/21)		280		303,786
Series GG-1
5.00%, 06/15/39	(Call 06/15/19)		1,675		1,742,586
5.25%, 06/15/32	(Call 06/15/19)		750		783,217
Series GG-2
5.25%, 06/15/40	(Call 06/15/19)		115		119,989
New York City Water & Sewer System RB BAB
Series EE
5.00%, 06/15/18	(ETM)		825		833,811


Security		Principal (000s)		Value
New York Convention Center Development Corp. RB
5.00%, 11/15/40	(Call 11/15/25)	$	250	$	281,040
Series A
0.00%, 11/15/48	^b		500		142,095
5.00%, 11/15/46	(Call 11/15/26)		500		563,820
New York Liberty Development Corp. RB
5.00%, 12/15/41	(Call 12/15/21) (GOI)		1,270		1,389,748
5.25%, 12/15/43	(Call 12/15/21) (GOI)		740		818,410
5.75%, 11/15/51	(Call 11/15/21)		90		101,162
New York Local Government Assistance Corp. RB
Series A
5.00%, 04/01/19			510		529,895
5.00%, 04/01/19	(Call 04/01/18)		1,190		1,193,522
5.00%, 04/01/20	(Call 04/01/18)		150		150,461
Series A-5/6
5.50%, 04/01/19			325		339,417
Series B
5.00%, 04/01/19	(GOI)		305		316,898
Series-B-7V
1.07%, 04/01/20	(Put 03/07/18)^a		200		200,000
New York Municipal Bond Bank Agency RB
5.00%, 12/01/19	(SAW)		50		52,961
5.00%, 12/01/21			1,000		1,114,660
New York Power Authority (The) RB
Series A
4.50%, 11/15/47	(Call 04/02/18) (NPFGC)		355		355,880
5.00%, 11/15/22	(GOI)		350		397,736
5.00%, 11/15/38	(Call 11/15/21) (GOI)		410		452,902
Series C
5.00%, 11/15/20	(Call 04/02/18) (NPFGC)		1,090		1,093,717
5.00%, 11/15/21	(Call 04/02/18) (NPFGC)		350		351,190
New York State Dormitory Authority RB
1.10%, 07/01/31	(Put 03/01/18)^a		125		125,000


Security		Principal (000s)		Value
5.00%, 07/01/22	(Call 07/01/18)	$	500	$	506,105
5.00%, 07/01/22	(Call 07/01/19)		460		480,314
5.50%, 07/01/23	(NPFGC)		200		228,260
Series 1
5.50%, 07/01/40	(AMBAC)		400		516,104
Series A
5.00%, 05/15/18			685		690,014
5.00%, 03/15/20			800		855,128
5.00%, 05/15/20			520		558,574
5.00%, 12/15/20			150		163,625
5.00%, 03/15/21			825		904,711
5.00%, 02/15/24			1,000		1,153,600
5.00%, 03/15/24			500		579,340
5.00%, 12/15/24	(Call 12/15/22)		250		283,695
5.00%, 12/15/25	(Call 12/15/22)		1,000		1,133,310
5.00%, 02/15/26	(Call 02/15/24)		355		406,972
5.00%, 07/01/26			1,000		1,180,330
5.00%, 10/01/26			255		308,331
5.00%, 10/01/27			500		610,665
5.00%, 03/15/28	(Call 03/15/25)		340		393,339
5.00%, 03/15/28	(PR 03/15/18)		250		250,348
5.00%, 12/15/28	(Call 12/15/22)		575		648,859
5.00%, 03/15/30	(Call 03/15/25)		400		460,252
5.00%, 12/15/30	(Call 12/15/22)		500		563,495
5.00%, 03/15/31	(Call 03/15/25)		1,000		1,147,860
5.00%, 03/15/32	(Call 03/15/24)		340		385,716
5.00%, 03/15/35	(Call 03/15/25)		500		570,830
5.00%, 02/15/36	(Call 02/15/27)		500		572,085
5.00%, 07/01/37	(Call 07/01/22)		760		838,014
5.00%, 03/15/38	(Call 03/15/23)		500		557,795
5.00%, 02/15/40	(Call 08/15/26)		500		565,395
5.00%, 07/01/41	(Call 07/01/26)		250		280,338
5.00%, 02/15/43	(Call 02/15/23)		500		549,320
5.00%, 07/01/43	(Call 07/01/23)		1,025		1,146,678
5.00%, 03/15/44	(Call 03/15/24)		500		560,400
5.00%, 07/01/45	(Call 07/01/25)		100		110,573
5.00%, 07/01/46	(Call 01/01/27)		250		276,463
5.00%, 10/01/47			300		390,429
5.50%, 07/01/18	(NPFGC-FGIC)		375		380,332
Series A-2
5.00%, 10/01/46	(Call 04/01/26)		720		820,973
5.00%, 10/01/46			225		291,949
Series B
5.00%, 02/15/26			1,000		1,179,280


Security		Principal (000s)		Value
5.00%, 03/15/28	(PR 03/15/19)	$	200	$	207,400
5.00%, 02/15/31	(Call 02/15/25)		1,000		1,146,950
5.00%, 02/15/31	(Call 08/15/27)		750		880,747
5.00%, 03/15/31	(Call 03/15/22)		1,050		1,159,095
5.00%, 07/01/33	(PR 07/01/18) (AGM)		105		106,236
5.00%, 02/15/34	(Call 02/15/25)		500		571,090
5.00%, 02/15/34	(Call 08/15/27)		1,000		1,157,300
5.00%, 03/15/34	(Call 03/15/22)		440		484,110
5.00%, 03/15/35	(Call 03/15/22)		500		549,520
5.00%, 02/15/37	(Call 08/15/27)		500		574,665
5.00%, 02/15/38	(Call 02/15/25)		500		567,360
5.00%, 03/15/42	(Call 03/15/22)		600		656,274
5.00%, 02/15/43	(Call 08/15/27)		1,000		1,139,680
Series C
5.00%, 03/15/22	(PR 03/15/18)		500		500,695
5.00%, 03/15/25	(PR 03/15/18)		525		525,730
5.00%, 03/15/29	(Call 03/15/21)		220		239,958
5.00%, 03/15/31	(Call 03/15/21)		250		272,293
5.00%, 03/15/35	(Call 03/15/24)		500		564,840
5.00%, 03/15/41	(Call 03/15/21)		500		542,890
Series D
1.07%, 07/01/31	(Put 03/01/18)^a		100		100,000
5.00%, 02/15/23			200		227,146
5.00%, 02/15/25			400		467,064
5.00%, 02/15/28	(Call 08/15/26)		200		234,720
5.00%, 02/15/40	(Call 02/15/22)		300		327,822
5.00%, 02/15/42	(Call 02/15/22)		250		272,988
Series E
5.00%, 02/15/23			500		567,865
5.00%, 02/15/24			1,000		1,153,600
5.00%, 03/15/31	(Call 09/15/25)		1,000		1,158,090
6.13%, 01/01/31	(Call 01/01/19)		250		259,735
Series F
5.00%, 10/01/26	(Call 10/01/22)		400		447,616
New York State Environmental Facilities Corp. RB
4.00%, 06/15/46	(Call 06/15/26)		800		836,728
5.00%, 06/15/18			100		101,068
5.00%, 06/15/21	(Call 06/15/18)		500		505,150
Series A
4.00%, 06/15/26	(Call 06/15/22)		420		450,215
5.00%, 06/15/18			500		505,340
5.00%, 06/15/19			600		627,426


Security		Principal (000s)		Value
5.00%, 06/15/20		$	415	$	447,125
5.00%, 06/15/22			375		423,780
5.00%, 06/15/23	(Call 06/15/22)		640		722,406
5.00%, 06/15/24	(Call 06/15/22)		640		720,435
5.00%, 06/15/34	(Call 06/15/19)		180		187,756
5.00%, 06/15/35	(Call 06/15/27)		1,200		1,396,380
5.13%, 06/15/38	(Call 06/15/19)		120		125,345
Series B
5.00%, 06/15/33	(Call 06/15/18)		500		504,760
5.00%, 06/15/41	(Call 06/15/21)		90		98,453
Series D
5.00%, 06/15/22			520		587,642
Series E
5.00%, 06/15/47	(Call 06/15/27)		1,000		1,146,170
New York State Thruway Authority Highway & Bridge Trust Fund RB
Series A
5.00%, 04/01/27	(PR 04/01/18)		750		752,302
Series A-1
5.00%, 04/01/31	(Call 04/01/21)		200		218,212
New York State Thruway Authority RB
5.00%, 01/01/31	(Call 01/01/25)		250		284,635
5.00%, 01/01/32	(Call 01/01/25)		340		386,424
Series A
4.00%, 01/01/51	(Call 01/01/26)		585		592,043
5.00%, 03/15/18			420		420,580
5.00%, 05/01/19			4,200		4,367,916
5.00%, 03/15/20			230		245,700
5.00%, 03/15/21	(Call 09/15/20)		85		92,243
5.00%, 03/15/23	(Call 09/15/21)		250		277,560
5.00%, 03/15/26	(PR 09/15/18)		300		305,976
5.00%, 03/15/29	(Call 09/15/20)		250		270,263
5.00%, 01/01/46	(Call 01/01/26)		500		554,210
5.00%, 01/01/51	(Call 01/01/26)		600		660,720
5.25%, 01/01/56	(Call 01/01/26)		2,185		2,457,557
Series B
5.50%, 04/01/20	(AMBAC)		260		281,055
Series C
5.25%, 03/15/19			250		259,890
Series H
5.00%, 01/01/19	(Call 04/02/18) (NPFGC)		400		401,164
5.00%, 01/01/21	(Call 04/02/18) (NPFGC)		225		225,644


Security		Principal (000s)		Value
Series I
5.00%, 01/01/37	(Call 01/01/22)	$	300	$	328,605
5.00%, 01/01/42	(Call 01/01/22)		1,000		1,089,980
Series K
5.00%, 01/01/30	(Call 01/01/25)		465		531,286
New York State Urban Development Corp. RB
5.00%, 12/15/18			195		200,636
5.00%, 03/15/28	(PR 03/15/19)		220		227,909
5.00%, 03/15/28	(Call 03/15/19)		30		31,050
Series A
5.00%, 03/15/19			725		751,825
5.00%, 03/15/20			1,000		1,068,260
5.00%, 03/15/22			145		162,204
5.00%, 03/15/23			1,570		1,785,687
5.00%, 03/15/25			350		409,083
5.00%, 03/15/29	(Call 09/15/25)		750		876,375
5.00%, 03/15/31	(Call 03/15/21)		250		272,293
5.00%, 03/15/31	(Call 03/15/26)		400		460,136
5.00%, 03/15/32	(Call 03/15/27)		500		579,490
5.00%, 03/15/32	(Call 03/15/26)		600		687,888
5.00%, 03/15/35	(Call 09/15/25)		350		405,331
5.00%, 03/15/35	(Call 03/15/26)		200		227,150
Series A-1
5.00%, 03/15/21			450		493,056
5.00%, 03/15/22			400		447,460
5.00%, 03/15/28	(Call 03/15/23)		520		585,874
5.00%, 03/15/43	(Call 03/15/23)		240		265,826
Series B
5.00%, 01/01/21	(Call 07/01/18)		750		758,752
Series B-1
5.00%, 03/15/36	(PR 03/15/19)		250		259,250
5.25%, 03/15/38	(PR 03/15/19)		120		124,747
Series C
4.00%, 03/15/47	(Call 09/15/27)		500		512,360
5.00%, 03/15/24	(Call 03/15/23)		700		797,608
Series D
5.25%, 01/01/20	(Call 01/01/19)		650		670,579
5.50%, 01/01/19			400		413,488
5.63%, 01/01/28	(Call 01/01/19)		400		413,764
Series E
5.00%, 03/15/25	(Call 03/15/23)		100		113,534


Security		Principal (000s)		Value
Onondaga County Trust for Cultural Resources RB
Series A
1.07%, 12/01/29	(Put 03/07/18)^a	$	370	$	370,000
Port Authority of New York & New Jersey RB
4.00%, 09/15/31	(Call 09/15/19)		500		513,210
4.00%, 12/01/31	(Call 06/01/22) (GOI)		250		262,950
4.00%, 06/01/32	(Call 06/01/22)		170		178,388
4.00%, 12/15/40	(Call 06/15/24)		400		412,092
4.00%, 06/15/44	(Call 06/15/24)		250		256,988
4.50%, 09/15/39	(Call 09/15/19) (GOI)		475		493,164
4.75%, 07/15/31	(Call 07/15/18) (GOI)		200		202,426
4.75%, 07/15/32	(Call 07/15/18) (GOI)		130		131,529
5.00%, 09/01/34	(Call 09/01/24)		250		285,015
5.00%, 07/15/35	(Call 07/15/18) (GOI)		200		202,692
5.00%, 09/01/36	(Call 09/01/24)		400		453,980
5.00%, 09/15/36	(Call 09/15/19) (GOI)		200		209,964
5.00%, 01/15/41	(Call 01/15/21) (GOI)		250		270,808
5.00%, 10/15/47	(Call 04/15/27)		750		851,572
5.00%, 04/15/57	(Call 04/15/27)		500		561,010
Series 163
5.00%, 07/15/32	(Call 07/15/20) (GOI)		275		295,982
Series 190
5.00%, 05/01/33	(Call 05/01/20)		250		266,678
Series 194
5.00%, 10/15/29	(Call 10/15/25)		1,000		1,162,640
5.00%, 10/15/34	(Call 10/15/25)		500		574,620
5.00%, 10/15/41	(Call 10/15/25)		500		565,825
Series 198
5.00%, 11/15/46	(Call 11/15/26)		1,000		1,137,370
5.25%, 11/15/56	(Call 11/15/26)		500		575,660
Series 205
5.00%, 11/15/42	(Call 11/15/27)		405		464,648
Series 5
5.38%, 03/01/28	(GOI)		500		589,565


Security		Principal (000s)		Value
Sales Tax Asset Receivable Corp. RB
Series A
5.00%, 10/15/18		$	1,250	$	1,278,662
5.00%, 10/15/19			935		988,230
5.00%, 10/15/20			1,535		1,670,402
5.00%, 10/15/21			250		278,558
5.00%, 10/15/23			300		347,259
5.00%, 10/15/24			1,750		2,058,525
5.00%, 10/15/28	(Call 10/15/24)		1,750		2,039,712
5.00%, 10/15/30	(Call 10/15/24)		750		868,177
5.00%, 10/15/31	(Call 10/15/24)		1,385		1,601,392
State of New York GO
Series A
5.00%, 02/15/34	(Call 02/15/19)		475		490,437
5.00%, 02/15/39	(Call 02/15/19)		450		463,927
Suffolk County Water Authority RB
4.00%, 06/01/31	(Call 06/01/25)		1,000		1,071,400
Syracuse Industrial Development Agency RB
Series A-2
1.09%, 12/01/37	(Put 03/01/18)^a		275		275,000
Triborough Bridge & Tunnel Authority RB
5.00%, 11/15/43	(Call 05/15/28)		500		574,505
Series A
0.00%, 11/15/30^b			445		288,894
0.00%, 11/15/32^b			200		119,562
5.00%, 11/15/19	(PR 05/15/18) (GOI)		250		251,913
5.00%, 11/15/22			150		170,025
5.00%, 01/01/23	(PR 01/01/22)		75		83,676
5.00%, 11/15/24	(Call 05/15/23)		125		142,510
5.00%, 11/15/24			200		234,580
5.00%, 11/15/27	(Call 05/15/23)		500		567,400
5.00%, 01/01/28	(PR 01/01/22)		350		390,992
5.00%, 11/15/37	(PR 05/15/18) (GOI)		2,350		2,367,977
5.00%, 11/15/40	(Call 05/15/25)		250		282,508
5.00%, 11/15/46	(Call 05/15/26)		1,375		1,545,926
5.00%, 11/15/47	(Call 05/15/27)		1,500		1,702,170
5.25%, 01/01/28	(PR 01/01/22) (GOI)		425		478,690


Security		Principal (000s)		Value
Series B
0.00%, 11/15/32^b		$	700	$	421,505
4.00%, 11/15/21			200		215,912
5.00%, 11/15/19			675		714,555
5.00%, 11/15/20			765		833,093
5.00%, 11/15/21			400		446,100
5.00%, 11/15/22			500		568,195
5.00%, 11/15/25	(Call 11/15/22)		710		805,126
5.00%, 11/15/27	(Call 11/15/22)		415		468,415
5.00%, 11/15/31	(Call 05/15/27)		1,000		1,170,270
5.00%, 11/15/35	(Call 05/15/27)		325		374,377
5.00%, 11/15/37	(Call 05/15/27)		400		458,700
5.00%, 11/15/38	(Call 05/15/27)		250		286,257
5.50%, 01/01/30	(PR 01/01/22) (GOI)		945		1,057,181
Series C
5.00%, 11/15/38	(PR 11/15/18)		340		348,864
5.00%, 11/15/38	(Call 11/15/18)		210		215,040
Series D
5.00%, 11/15/31	(PR 11/15/18)		400		410,428
5.00%, 11/15/31	(Call 11/15/18)		250		255,858
Series E
5.50%, 11/15/19	(NPFGC)		255		271,766
Utility Debt Securitization Authority RB
5.00%, 12/15/32	(Call 12/15/25)		1,000		1,162,780
5.00%, 12/15/35	(Call 12/15/25)		600		693,108
5.00%, 12/15/36	(Call 12/15/25)		150		172,937
5.00%, 12/15/37	(Call 12/15/25)		750		862,417
5.00%, 12/15/39	(Call 12/15/27)		1,200		1,395,540
Series A
5.00%, 12/15/35	(Call 06/15/26)		375		433,219
Series B
5.00%, 06/15/20	(Call 06/15/18)		250		252,620
5.00%, 12/15/22	(Call 12/15/20)		505		550,869
5.00%, 06/15/23	(Call 06/15/21)		600		662,598
5.00%, 12/15/24	(Call 12/15/22)		200		227,250
Series TE
5.00%, 12/15/29	(Call 12/15/23)		1,250		1,436,937
5.00%, 12/15/30	(Call 12/15/23)		750		860,850
5.00%, 12/15/35	(Call 12/15/23)		1,000		1,138,490
5.00%, 12/15/41	(Call 12/15/23)		1,995		2,258,619

					292,344,398

TOTAL MUNICIPAL BONDS & NOTES
(Cost: $291,450,590)					292,344,398


	Value
TOTAL INVESTMENTS IN SECURITIES — 99.05%	$	292,344,398
(Cost: $291,450,590)
Other Assets, Less Liabilities — 0.95%		2,812,654

NET ASSETS — 100.00%	$	295,157,052

BAB — Build America Bond

ETM — Escrowed to Maturity

GO — General Obligation

GOI — General Obligation of the Issuer

GOL — General Obligation Limited

PR — Prerefunded

RB — Revenue Bond

SAW — State Aid Withholding

Insured by:

AGM — Assured Guaranty Municipal Corp.

AMBAC — Ambac Assurance Corp.

BHAC — Berkshire Hathaway Assurance Corp.

FGIC — Financial Guaranty Insurance Co.

NPFGC — National Public Finance Guarantee Corp.

NPFGC-FGIC — National Public Finance Guarantee Corp. – Financial Guaranty Insurance Co.

^a	Variable rate security that is payable on demand on each reset date. Rate shown is the rate in effect as of period end.

^b	Zero-coupon bond.

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

Pursuant to an Investment Advisory Agreement with the Trust, BlackRock Fund Advisors (“BFA”) manages the investment of each Fund’s assets. BFA is a California corporation indirectly owned by BlackRock, Inc. (“BlackRock”). Under the Investment Advisory Agreement, BFA is responsible for substantially all expenses of the Funds, except (i) interest and taxes; (ii) brokerage commissions and other expenses connected with the execution of portfolio transactions; (iii) distribution fees; (iv) the advisory fee payable to BFA; and (v) litigation expenses and any extraordinary expenses (in each case as determined by a majority of the independent trustees).

For its investment advisory services to each Fund, BFA is entitled to an annual investment advisory fee of 0.25%, accrued daily and paid monthly by the Funds, based on the average daily net assets of each Fund.

In addition, the iShares National Muni Bond ETF may incur its pro rata share of fees and expenses attributable to its investments in other investment companies (“acquired fund fees and expenses”). BFA has contractually agreed to waive a portion of its investment advisory fees for the Fund through June 30, 2026 in an amount equal to the acquired fund fees and expenses, if any, attributable to the Fund’s investments in other iShares funds.

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

The iShares National Muni Bond ETF, in order to improve its portfolio liquidity and its ability to track its underlying index, may invest in shares of other iShares funds that invest in securities in the Fund’s underlying index.

Certain trustees and officers of the Trust are also officers of BlackRock Institutional Trust Company, N.A. and/or BFA.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind transactions (see Note 4) for the year ended February 28, 2018 were as follows:

The Board authorized a two-for-one stock split for each of the iShares California Muni Bond ETF and iShares New York Muni Bond ETF, effective after the close of trading on October 17, 2017. The impact of the stock splits was to increase the number of shares outstanding by a factor of two, while decreasing the NAV per share by a factor of two, resulting in no effect on the net assets of the Funds. The financial statements for the Funds have been adjusted to reflect the stock splits.

In the normal course of business, each Fund invests in securities or other instruments and may enter into certain transactions, and such activities subject the Fund to various risks, including, among others, fluctuations in the market (market risk) or failure of an issuer to meet all of its obligations. The value of securities or other instruments may also be affected by various factors, including, without limitation: (i) the general economy; (ii) the overall market as well as local, regional or global political and/or social instability; (iii) regulation, taxation or international tax treaties between various countries; or (iv) currency, interest rate or price fluctuations. Each Fund’s prospectus provides details of the risks to which the Fund is subject.

Municipal securities are subject to the risk that litigation, legislation or other political events, local business or economic conditions, credit rating downgrades, or the bankruptcy of the issuer could have a significant effect on an issuer’s ability to make payments of principal and/or interest or otherwise affect the value of such securities. Municipal securities can be significantly affected by political or economic changes as well as uncertainties in the municipal market related to, government regulation, taxation, legislative changes or the rights of municipal security holders, including in connection with an issuer insolvency. Municipal securities backed by current or anticipated revenues from a specific project or specific assets can be negatively affected by the discontinuance of the tax benefits supporting the project or assets or the inability to collect revenues from the project or the assets.

When a municipal bond fund concentrates its investments in issuers located in a single state, it assumes the risk that economic, political and social conditions affecting that state may have a significant impact on its investment performance.

U.S. GAAP requires that certain components of net assets be adjusted to reflect permanent differences between financial and tax reporting. These reclassifications have no effect on net assets or NAV per share. The following permanent differences as of February 28, 2018, attributable to the expiration of capital loss carry forwards, distributions received from a regulated investment company, realized gains (losses) from in-kind redemptions, were reclassified to the following accounts:

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the following Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

For the year ended February 28, 2018, the following Funds utilized their capital loss carryforwards as follows:

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

Shareholders of iShares California Muni Bond ETF, iShares National Muni Bond ETF,

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares California Muni Bond ETF, iShares National Muni Bond ETF, iShares Short-Term National Muni Bond ETF and iShares New York Muni Bond ETF (four of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations for the year ended February 28, 2018, the statements of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, the results of each of their operations for the year then ended, the changes in each of their net assets for each of the two years in the period ended February 28, 2018 and each of the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

The Funds designate the following percentage of distributions from net investment income as exempt-interest dividends for the fiscal year ended February 28, 2018:

For California income tax purposes, the iShares California AMT-Free Muni Bond ETF designates 99.92% of its distributions paid from net investment income during the fiscal year ended February 28, 2018 as California exempt-interest dividends under Section 17145 of the California Revenue and Taxation Code.

Additionally, all ordinary income distributions are comprised of interest related dividends for non-U.S. residents and are eligible for exemption from U.S. withholding tax for nonresident aliens and foreign corporations.

The iShares New York Muni Bond ETF hereby designates $247,621 as 20% rate long-term capital gain dividends for the fiscal year ended February 28, 2018.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

The iShares Funds are not sponsored, endorsed, issued, sold or promoted by S&P Dow Jones Indices LLC, nor does this company make any representation regarding the advisability of investing in the iShares Funds. BlackRock is not affiliated with the company listed above.

U.S. investment-grade, credit-sensitive bond performance was positive during the 12 months ended February 28, 2018 (“reporting period”). The Bloomberg Barclays U.S. Credit Bond Index, a measure of U.S. dollar-denominated credit-sensitive bond performance, returned 2.12% for the reporting period, compared with the 0.51% return of the broad Bloomberg Barclays U.S. Aggregate Bond Index. Credit-sensitive bonds tend to react to changes in the economy or other factors that affect the issuer’s ability to meet its debt obligations.

The primary factors affecting bond market performance during the reporting period were a strengthening U.S. economy and federal tax reform. The final nine months of 2017 were the strongest three consecutive quarters of economic growth in more than 12 years. Key economic drivers included an increase in manufacturing activity and the lowest unemployment rate since December 2000.

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher Treasury bond yields and lower bond prices, particularly in the latter half of the reporting period. However, credit-sensitive investment-grade bonds outperformed Treasury bonds as the difference in yield between credit-sensitive bonds and Treasury securities narrowed during the reporting period.

The performance of credit-sensitive bonds was a consequence of strong investor demand for yield. In particular, credit-sensitive bonds with lower credit ratings, which tend to have the highest yields, were the best performers for the reporting period, bolstered by the strong fundamentals of the domestic economy and a relatively low amount of defaults. Reflecting the Fed’s actions and investor demand, yields on short-term securities rose, while those on longer-term bonds were little changed. Consequently, the shortest-term credit-sensitive bonds posted modest gains, while intermediate- and longer-term securities generated stronger returns.

While overall issuance of corporate bonds hit a record high in 2017, net new corporate bond supply (which accounts for maturities and coupon payments of existing bonds) was lower than in either of the prior two years. In addition, federal tax reform made it less attractive for corporations to issue bonds and less costly to repatriate cash held overseas.

Among credit-sensitive bonds, U.S. corporate securities generated the best returns for the reporting period. U.S. dollar-denominated foreign bonds also advanced, helped by strong investor demand and healthy economic growth in emerging and developed markets.

The iShares 1-3 Year Credit Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated, investment-grade corporate, sovereign, supranational, local authority and non-U.S. agency bonds with remaining maturities between one and three years, as represented by the Bloomberg Barclays U.S. 1-3 Year Credit Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.42%, net of fees, while the total return for the Index was 0.70%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Aaa	17.75	%
Aa	14.35
A	37.64
Baa	27.83
Ba	0.91
Not Rated	1.52

TOTAL	100.00	%

The iShares U.S. Credit Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated, investment-grade corporate, sovereign, supranational, local authority and non-U.S. agency bonds, as represented by the Bloomberg Barclays U.S. Credit Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 1.92%, net of fees, while the total return for the Index was 2.12%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Aaa	9.28	%
Aa	10.60
A	35.98
Baa	39.89
Ba	2.78
Not Rated	1.47

TOTAL	100.00	%


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 81.33%

ADVERTISING — 0.21%
Omnicom Group Inc.
4.45%, 08/15/20^a	$	10,660	$	11,033,633
6.25%, 07/15/19^a		11,405		11,928,718

				22,962,351
AEROSPACE & DEFENSE — 1.57%
Boeing Capital Corp.
4.70%, 10/27/19		5,250		5,439,262
Boeing Co. (The)
1.65%, 10/30/20 (Call 09/30/20)^a		10,000		9,764,500
4.88%, 02/15/20^a		9,409		9,837,392
6.00%, 03/15/19		5,460		5,648,534
Harris Corp.
2.70%, 04/27/20 (Call 03/27/20)		13,005		12,934,643
L3 Technologies Inc.
4.75%, 07/15/20		10,897		11,293,760
5.20%, 10/15/19^a		4,445		4,605,509
Lockheed Martin Corp.
2.50%, 11/23/20 (Call 10/23/20)		11,005		10,901,443
4.25%, 11/15/19^a		11,335		11,646,486
Northrop Grumman Corp.
2.08%, 10/15/20^a		14,510		14,209,062
5.05%, 08/01/19		1,197		1,237,997
Raytheon Co.
3.13%, 10/15/20^a		16,437		16,606,137
4.40%, 02/15/20^a		5,160		5,338,588
Rockwell Collins Inc.
1.95%, 07/15/19		2,910		2,881,104
United Technologies Corp.
1.50%, 11/01/19^a		13,525		13,285,066
1.90%, 05/04/20^a		19,245		18,918,990
4.50%, 04/15/20^a		16,350		16,969,174

				171,517,647
AGRICULTURE — 1.23%
Altria Group Inc.
2.63%, 01/14/20 (Call 12/14/19)		20,490		20,421,358
9.25%, 08/06/19^a		7,231		7,888,443


Security	Principal (000s)		Value
BAT Capital Corp.
2.30%, 08/14/20^a,b	$	17,045	$	16,738,020
Bunge Ltd. Finance Corp.
3.50%, 11/24/20 (Call 10/24/20)^a		4,480		4,517,766
8.50%, 06/15/19		7,525		8,048,590
Philip Morris International Inc.
1.88%, 11/01/19		7,500		7,399,350
2.00%, 02/21/20^a		12,500		12,314,625
4.50%, 03/26/20^a		10,844		11,211,720
Reynolds American Inc.
3.25%, 06/12/20^a		21,999		22,100,635
6.88%, 05/01/20^a		12,405		13,389,709
8.13%, 06/23/19		9,175		9,796,698

				133,826,914
AIRLINES — 0.24%
Continental Airlines Inc. Pass Through Trust
Series 2009-2, Class A
7.25%, 11/10/19		945		1,002,940
Delta Air Lines Inc.
2.88%, 03/13/20		13,840		13,803,739
Southwest Airlines Co.
2.65%, 11/05/20 (Call 10/05/20)		7,891		7,830,713
2.75%, 11/06/19 (Call 10/06/19)		3,320		3,319,801

				25,957,193
AUTO MANUFACTURERS — 3.15%
American Honda Finance Corp.
1.20%, 07/12/19		9,655		9,474,741
1.95%, 07/20/20^a		4,510		4,428,820
2.00%, 11/13/19^a		7,500		7,425,075
2.00%, 02/14/20		6,590		6,507,296
2.15%, 03/13/20		400		395,764
2.25%, 08/15/19		10,128		10,073,309
2.45%, 09/24/20^a		10,055		9,961,690
2.65%, 02/12/21		12,500		12,444,750
Ford Motor Credit Co. LLC
1.90%, 08/12/19		1,200		1,182,288
2.02%, 05/03/19		6,850		6,783,281
2.26%, 03/28/19		2,145		2,131,422
2.34%, 11/02/20		12,000		11,703,240


Security	Principal (000s)		Value
2.38%, 03/12/19^a	$	7,300	$	7,266,055
2.43%, 06/12/20^a		13,450		13,209,110
2.46%, 03/27/20^a		10,750		10,592,513
2.60%, 11/04/19		14,281		14,188,888
2.68%, 01/09/20		17,060		16,937,680
3.16%, 08/04/20		12,700		12,659,233
3.47%, 04/05/21		10,000		9,998,800
8.13%, 01/15/20		7,230		7,877,663
General Motors Financial Co. Inc.
2.35%, 10/04/19^a		16,884		16,719,719
2.40%, 05/09/19		1,702		1,693,677
2.45%, 11/06/20		10,000		9,795,200
2.65%, 04/13/20^a		15,320		15,170,170
3.15%, 01/15/20 (Call 12/15/19)^a		11,921		11,940,074
3.20%, 07/13/20 (Call 06/13/20)		10,438		10,441,236
3.50%, 07/10/19		450		453,510
3.70%, 11/24/20 (Call 10/24/20)		8,000		8,086,400
PACCAR Financial Corp.
1.20%, 08/12/19		1,025		1,005,894
1.30%, 05/10/19		3,400		3,353,182
1.95%, 02/27/20		1,175		1,159,807
2.80%, 03/01/21		10,000		10,005,200
Toyota Motor Credit Corp.
1.40%, 05/20/19		10,620		10,484,595
1.55%, 10/18/19^a		14,805		14,583,961
1.95%, 04/17/20		13,150		12,938,548
2.13%, 07/18/19		9,897		9,845,931
2.15%, 03/12/20^a		20,150		19,955,351
2.20%, 01/10/20		7,500		7,450,650
4.50%, 06/17/20^a		3,564		3,708,128

				344,032,851
AUTO PARTS & EQUIPMENT — 0.05%
Aptiv PLC
3.15%, 11/19/20 (Call 10/19/20)
		5,675		5,682,888

				5,682,888
BANKS — 32.30%
Australia & New Zealand Banking Group Ltd.
2.13%, 08/19/20		9,475		9,302,366


Security	Principal (000s)		Value
Australia & New Zealand Banking Group Ltd./New York NY
1.60%, 07/15/19	$	12,400	$	12,226,648
2.05%, 09/23/19^a		12,750		12,620,205
2.25%, 06/13/19		3,300		3,281,982
2.25%, 11/09/20		8,000		7,852,400
Banco Bilbao Vizcaya Argentaria SA
3.00%, 10/20/20		11,795		11,725,763
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)^a		5,000		4,895,250
2.63%, 10/19/20		27,225		26,968,540
2.65%, 04/01/19		29,815		29,827,820
5.63%, 07/01/20		48,870		51,837,386
7.63%, 06/01/19		23,510		24,918,719
(3 mo. LIBOR US + 0.660%)
2.37%, 07/21/21 (Call 07/21/20)^c		225		221,625
Series L
2.25%, 04/21/20^a		32,264		31,861,023
Bank of Montreal
1.50%, 07/18/19		8,125		7,988,581
1.75%, 09/11/19		4,000		3,947,920
2.10%, 12/12/19		7,635		7,552,695
2.10%, 06/15/20^a		20,050		19,723,786
Bank of New York Mellon Corp. (The)
2.20%, 05/15/19 (Call 04/15/19)		8,096		8,064,749
2.30%, 09/11/19 (Call 08/11/19)^a		9,772		9,714,150
2.45%, 11/27/20 (Call 10/27/20)		14,744		14,553,950
2.60%, 08/17/20 (Call 07/17/20)^a		19,033		18,894,249
4.60%, 01/15/20		258		266,444
Series G
2.15%, 02/24/20 (Call 01/24/20)^a		5,000		4,940,150
Bank of Nova Scotia (The)
1.65%, 06/14/19^a		11,981		11,837,947
2.05%, 06/05/19^a		8,625		8,565,488
2.15%, 07/14/20^a		10,025		9,873,422


Security	Principal (000s)		Value
2.35%, 10/21/20^a	$	10,255	$	10,120,352
2.50%, 01/08/21		15,000		14,804,250
Barclays Bank PLC
2.65%, 01/11/21 (Call 12/11/20)		14,615		14,429,097
5.14%, 10/14/20		10,589		10,980,899
Barclays PLC
2.75%, 11/08/19		26,429		26,275,976
2.88%, 06/08/20^a		16,395		16,253,675
BB&T Corp.
2.15%, 02/01/21 (Call 01/01/21)^a		2,500		2,447,775
2.45%, 01/15/20 (Call 12/15/19)^a		16,464		16,366,039
2.63%, 06/29/20 (Call 05/29/20)		16,721		16,612,648
6.85%, 04/30/19		1,388		1,453,930
BNP Paribas SA
2.38%, 05/21/20		22,715		22,442,193
2.45%, 03/17/19		1,366		1,363,610
BPCE SA
2.25%, 01/27/20		4,750		4,685,543
2.50%, 07/15/19		13,300		13,242,544
Branch Banking & Trust Co.
1.45%, 05/10/19 (Call 04/10/19)^a		19,625		19,364,380
2.10%, 01/15/20 (Call 12/15/19)		16,000		15,805,760
2.25%, 06/01/20 (Call 05/01/20)^a		7,000		6,908,510
Canadian Imperial Bank of Commerce
1.60%, 09/06/19		12,040		11,841,099
2.10%, 10/05/20		10,000		9,811,100
2.70%, 02/02/21		15,000		14,859,450
Capital One Financial Corp.
2.45%, 04/24/19 (Call 03/24/19)		1,042		1,037,863
2.50%, 05/12/20 (Call 04/12/20)^a		15,210		15,027,936
Capital One N.A.
1.85%, 09/13/19 (Call 08/13/19)		10,500		10,331,160


Security	Principal (000s)		Value
2.35%, 01/31/20 (Call 12/31/19)^a	$	10,250	$	10,127,512
2.40%, 09/05/19 (Call 08/05/19)		37,000		36,726,570
Citibank N.A.
1.85%, 09/18/19 (Call 08/18/19)^a		15,600		15,390,024
2.00%, 03/20/19 (Call 02/20/19)^a		13,875		13,784,396
2.10%, 06/12/20 (Call 05/12/20)		27,250		26,758,955
2.13%, 10/20/20 (Call 09/20/20)^a		25,550		24,984,323
2.85%, 02/12/21 (Call 01/12/21)		20,000		19,885,200
Citigroup Inc.
2.05%, 06/07/19^a		9,775		9,694,650
2.40%, 02/18/20^a		15,737		15,583,722
2.45%, 01/10/20 (Call 12/10/19)^a		18,059		17,911,819
2.50%, 07/29/19^a		11,827		11,786,906
2.55%, 04/08/19^a		9,570		9,556,602
2.65%, 10/26/20^a		23,000		22,760,340
5.38%, 08/09/20^a		10,415		10,968,974
8.50%, 05/22/19		808		863,558
Citizens Bank N.A./Providence RI
2.20%, 05/26/20 (Call 04/26/20)		8,165		8,030,196
2.25%, 03/02/20 (Call 02/03/20)		5,035		4,967,430
2.25%, 10/30/20 (Call 09/30/20)		12,000		11,750,160
2.45%, 12/04/19 (Call 11/04/19)		5,500		5,456,880
2.50%, 03/14/19 (Call 02/14/19)		9,970		9,953,151
Commonwealth Bank of Australia/New York NY
2.05%, 03/15/19		9,775		9,718,207
2.30%, 09/06/19^a		16,520		16,424,680
2.30%, 03/12/20^a		6,250		6,174,688
2.40%, 11/02/20^a		5,000		4,928,400


Security	Principal (000s)		Value
Compass Bank
2.75%, 09/29/19 (Call 08/29/19)	$	2,250	$	2,235,938
Cooperatieve Rabobank UA/NY
1.38%, 08/09/19		8,900		8,734,994
2.25%, 01/14/20^a		16,460		16,274,825
Credit Suisse AG/New York NY
2.30%, 05/28/19^a		28,612		28,456,923
4.38%, 08/05/20^a		15,695		16,200,379
5.30%, 08/13/19		9,152		9,467,927
5.40%, 01/14/20^a		8,755		9,115,006
Credit Suisse Group Funding Guernsey Ltd.
2.75%, 03/26/20^a		22,365		22,197,933
3.13%, 12/10/20		18,514		18,458,643
Deutsche Bank AG
2.85%, 05/10/19^a		11,800		11,784,188
2.95%, 08/20/20		9,471		9,381,878
Deutsche Bank AG/New York NY
2.70%, 07/13/20^a		20,925		20,623,680
3.15%, 01/22/21		15,000		14,859,000
Discover Bank
3.10%, 06/04/20 (Call 05/04/20)		13,675		13,660,915
3.20%, 08/09/21 (Call 07/09/21)		5,000		4,960,500
Fifth Third Bancorp.
2.30%, 03/01/19 (Call 01/30/19)		8,330		8,306,010
Fifth Third Bank/Cincinnati OH
1.63%, 09/27/19 (Call 08/27/19)^a		8,530		8,383,966
2.20%, 10/30/20 (Call 09/30/20)		5,065		4,961,978
2.30%, 03/15/19 (Call 02/15/19)		10,147		10,121,430
2.38%, 04/25/19 (Call 03/25/19)^a		9,515		9,479,319
First Horizon National Corp.
3.50%, 12/15/20 (Call 11/15/20)^a		1,400		1,413,076
First Tennessee Bank N.A.
2.95%, 12/01/19 (Call 11/01/19)		5,000		4,994,300


Security	Principal (000s)		Value
Goldman Sachs Group Inc. (The)
1.95%, 07/23/19^a	$	3,755	$	3,717,750
2.00%, 04/25/19 (Call 03/25/19)^a		1,725		1,713,529
2.30%, 12/13/19 (Call 11/13/19)		12,955		12,838,146
2.55%, 10/23/19^a		27,352		27,221,531
2.60%, 04/23/20 (Call 03/23/20)^a		20,977		20,826,595
2.60%, 12/27/20 (Call 12/27/19)		20,000		19,776,200
2.75%, 09/15/20 (Call 08/15/20)^a		22,959		22,804,256
5.38%, 03/15/20		38,723		40,556,534
6.00%, 06/15/20		29,251		31,176,593
HSBC Bank USA N.A.
4.88%, 08/24/20^a		11,340		11,807,888
HSBC USA Inc.
2.25%, 06/23/19		5,300		5,267,246
2.35%, 03/05/20^a		38,346		37,900,803
2.38%, 11/13/19		500		496,210
Huntington National Bank (The)
2.20%, 04/01/19 (Call 03/01/19)		6,100		6,064,437
2.38%, 03/10/20 (Call 02/10/20)		8,525		8,446,826
Industrial & Commercial Bank of China Ltd./New York
3.23%, 11/13/19		300		300,459
JPMorgan Chase & Co.
1.85%, 03/22/19 (Call 02/22/19)^a		15,225		15,123,906
2.20%, 10/22/19		24,036		23,834,819
2.25%, 01/23/20 (Call 12/23/19)^a		42,528		42,108,249
2.55%, 10/29/20 (Call 09/29/20)^a		30,065		29,779,082
2.75%, 06/23/20 (Call 05/23/20)		41,619		41,495,808
4.25%, 10/15/20		33,687		34,827,305
4.40%, 07/22/20^a		18,050		18,680,486
4.95%, 03/25/20		19,979		20,815,920
6.30%, 04/23/19		7,416		7,717,386


Security	Principal (000s)		Value
JPMorgan Chase Bank N.A.
1.65%, 09/23/19 (Call 08/23/19)	$	14,253	$	14,044,621
(3 mo. LIBOR US + 0.280%)
2.60%, 02/01/21 (Call 02/01/20)^c		15,000		14,949,600
KeyBank N.A./Cleveland OH
1.60%, 08/22/19^a		5,165		5,081,069
2.25%, 03/16/20^a		10,000		9,883,600
2.35%, 03/08/19		16,500		16,457,100
2.50%, 12/15/19		12,190		12,130,513
2.50%, 11/22/21^a		5,000		4,892,000
KfW
1.00%, 07/15/19		18,680		18,350,111
1.25%, 09/30/19^a		49,926		49,074,262
1.50%, 09/09/19^a		36,320		35,854,378
1.50%, 04/20/20		53,865		52,748,917
1.63%, 05/29/20		57,555		56,445,340
1.75%, 10/15/19		15,000		14,853,750
1.75%, 03/31/20^a		45,150		44,498,485
1.88%, 04/01/19		36,355		36,204,127
1.88%, 06/30/20^a		37,180		36,639,403
1.88%, 12/15/20^a		10,000		9,807,500
2.75%, 09/08/20		48,980		49,228,818
4.00%, 01/27/20		37,245		38,327,712
4.88%, 06/17/19		33,800		34,904,246
Korea Development Bank (The)
1.38%, 09/12/19		350		341,936
2.50%, 03/11/20		5,200		5,144,880
3.00%, 03/17/19		6,715		6,727,826
Landwirtschaftliche Rentenbank
1.38%, 10/23/19^a		350		344,449
1.75%, 04/15/19		12,105		12,034,670
Lloyds Bank PLC
2.70%, 08/17/20		13,115		13,009,555
Manufacturers & Traders Trust Co.
2.05%, 08/17/20 (Call 07/17/20)		5,545		5,433,712
2.10%, 02/06/20 (Call 01/06/20)		15,645		15,447,560
2.25%, 07/25/19 (Call 06/25/19)^a		18,675		18,561,643
2.63%, 01/25/21 (Call 12/25/20)		7,500		7,429,875


Security	Principal (000s)		Value
Morgan Stanley
2.38%, 07/23/19^a	$	8,705	$	8,662,955
2.65%, 01/27/20^a		36,271		36,126,641
2.80%, 06/16/20^a		29,725		29,650,687
5.50%, 01/26/20		31,372		32,836,759
5.50%, 07/24/20		625		660,019
5.63%, 09/23/19		32,557		33,927,650
7.30%, 05/13/19		27,425		28,859,327
MUFG Americas Holdings Corp.
2.25%, 02/10/20 (Call 01/10/20)		3,223		3,178,845
MUFG Union Bank N.A.
2.25%, 05/06/19 (Call 04/06/19)		4,365		4,336,235
National Australia Bank Ltd./New York
1.38%, 07/12/19		2,350		2,308,523
2.13%, 05/22/20		10,695		10,516,393
2.25%, 01/10/20		15,250		15,097,195
2.50%, 01/12/21		15,000		14,789,850
2.63%, 07/23/20^a		14,330		14,234,419
National Bank of Canada
2.15%, 06/12/20 (Call 05/12/20)		15,000		14,778,150
2.20%, 11/02/20 (Call 10/02/20)		15,000		14,729,700
Oesterreichische Kontrollbank AG
1.13%, 04/26/19		24,600		24,262,980
1.38%, 02/10/20		1,807		1,770,119
1.63%, 03/12/19		350		347,655
1.75%, 01/24/20		32,220		31,804,362
PNC Bank N.A.
1.45%, 07/29/19 (Call 06/29/19)^a,d		6,800		6,672,092
1.95%, 03/04/19 (Call 02/02/19)^a,d		9,900		9,840,600
2.00%, 05/19/20 (Call 04/19/20)^a,d		18,095		17,762,957
2.25%, 07/02/19 (Call 06/02/19)^a,d		11,500		11,424,330
2.30%, 06/01/20 (Call 05/02/20)^d		23,596		23,325,590
2.40%, 10/18/19 (Call 09/18/19)^d		13,250		13,169,042


Security	Principal (000s)		Value
2.45%, 11/05/20 (Call 10/06/20)^a,d	$	4,000	$	3,949,200
2.60%, 07/21/20 (Call 06/21/20)^d		5,000		4,961,900
PNC Financial Services Group Inc. (The)
4.38%, 08/11/20^a,d		5,000		5,168,300
5.13%, 02/08/20^d		5,025		5,235,246
6.70%, 06/10/19^d		1,100		1,154,813
6.88%, 05/15/19^d		500		523,705
Regions Bank/Birmingham AL
2.75%, 04/01/21 (Call 03/01/21)		6,500		6,448,585
Royal Bank of Canada
1.50%, 07/29/19^a		9,457		9,310,889
1.63%, 04/15/19^a		11,764		11,640,360
2.13%, 03/02/20^a		12,292		12,134,539
2.15%, 03/15/19^a		10,906		10,861,722
2.15%, 03/06/20^a		16,660		16,448,085
2.15%, 10/26/20^a		15,300		15,015,420
2.35%, 10/30/20^a		13,000		12,843,740
Santander Holdings USA Inc.
2.65%, 04/17/20 (Call 03/17/20)^a		21,705		21,529,841
2.70%, 05/24/19 (Call 04/24/19)^a		4,168		4,157,163
Santander UK Group Holdings PLC
2.88%, 10/16/20^a		1,027		1,019,369
Santander UK PLC
2.13%, 11/03/20		10,000		9,769,800
2.35%, 09/10/19		2,409		2,390,716
2.38%, 03/16/20		12,313		12,160,196
2.50%, 03/14/19		10,433		10,420,376
2.50%, 01/05/21		7,350		7,249,746
Skandinaviska Enskilda Banken AB
1.50%, 09/13/19		10,000		9,820,100
2.30%, 03/11/20^a		10,000		9,888,300
State Street Corp.
1.95%, 05/19/21		6,160		5,972,243
2.55%, 08/18/20^a		15,259		15,163,479
Sumitomo Mitsui Banking Corp.
2.09%, 10/18/19		15,000		14,818,500


Security	Principal (000s)		Value
2.45%, 01/16/20	$	21,611	$	21,432,061
2.51%, 01/17/20		15,000		14,904,300
2.65%, 07/23/20^a		3,050		3,026,637
SunTrust Bank/Atlanta GA
2.25%, 01/31/20 (Call 12/31/19)		5,520		5,462,150
(3 mo. LIBOR US + 0.480%)
2.59%, 01/29/21 (Call 01/29/20)^c		10,000		9,955,500
SunTrust Banks Inc.
2.50%, 05/01/19 (Call 04/01/19)		8,406		8,383,724
2.90%, 03/03/21 (Call 02/03/21)^a		2,310		2,300,529
Svenska Handelsbanken AB
1.50%, 09/06/19		15,000		14,730,000
1.95%, 09/08/20		4,890		4,771,907
2.40%, 10/01/20		13,211		13,026,839
Toronto-Dominion Bank (The)
1.45%, 08/13/19^a		10,280		10,102,773
1.85%, 09/11/20		10,210		9,977,518
1.90%, 10/24/19^a		10,200		10,077,804
2.13%, 07/02/19		11,505		11,437,005
2.25%, 11/05/19		14,515		14,414,411
2.50%, 12/14/20^a		20,000		19,813,800
2.55%, 01/25/21		15,000		14,862,450
U.S. Bancorp.
2.20%, 04/25/19 (Call 03/25/19)^a		5,788		5,763,980
U.S. Bank N.A./Cincinnati OH
1.40%, 04/26/19 (Call 03/26/19)		28,000		27,655,880
2.00%, 01/24/20 (Call 12/24/19)		2,556		2,521,571
2.13%, 10/28/19 (Call 09/28/19)		24,465		24,248,485
UBS AG/Stamford CT
2.35%, 03/26/20		9,274		9,167,813
2.38%, 08/14/19		29,756		29,615,552
4.88%, 08/04/20^a		9,005		9,402,030
Wells Fargo & Co.
2.13%, 04/22/19^a		5,765		5,731,390
2.55%, 12/07/20^a		20,000		19,738,000
2.60%, 07/22/20^a		35,420		35,134,869


Security	Principal (000s)		Value
Series N
2.15%, 01/30/20^a	$	24,093	$	23,753,289
Wells Fargo Bank N.A.
1.75%, 05/24/19		30,105		29,824,120
2.15%, 12/06/19		22,375		22,130,889
2.40%, 01/15/20		15,000		14,876,100
2.60%, 01/15/21		15,000		14,806,350
Westpac Banking Corp.
1.60%, 08/19/19^a		6,230		6,131,940
1.65%, 05/13/19		10,945		10,819,789
2.15%, 03/06/20		24,150		23,826,390
2.30%, 05/26/20^a		20,850		20,587,290
2.65%, 01/25/21		10,000		9,901,600
4.88%, 11/19/19		14,232		14,728,270

				3,526,513,233
BEVERAGES — 1.54%
Anheuser-Busch Companies LLC
5.00%, 03/01/19^a		3,750		3,837,862
Anheuser-Busch InBev Worldwide Inc.
5.00%, 04/15/20^a		5,150		5,381,956
5.38%, 01/15/20		18,890		19,767,063
6.88%, 11/15/19^a		11,407		12,182,106
Coca-Cola Co. (The)
1.38%, 05/30/19		9,950		9,827,814
1.88%, 10/27/20^a		23,647		23,189,194
2.45%, 11/01/20^a		8,304		8,277,261
3.15%, 11/15/20^a		1,002		1,013,984
Coca-Cola Femsa SAB de CV
4.63%, 02/15/20		5,000		5,172,900
Constellation Brands Inc.
3.88%, 11/15/19^a		5,775		5,876,005
Diageo Capital PLC
4.83%, 07/15/20		1,150		1,203,325
Molson Coors Brewing Co.
1.45%, 07/15/19		9,385		9,221,795
1.90%, 03/15/19		2,075		2,057,923
2.25%, 03/15/20 (Call 02/15/20)^a		10,170		10,034,841
PepsiCo Inc.
1.35%, 10/04/19		9,770		9,598,927
1.55%, 05/02/19		5,780		5,724,165


Security	Principal (000s)		Value
1.85%, 04/30/20 (Call 03/30/20)^a	$	4,765	$	4,696,670
2.15%, 10/14/20 (Call 09/14/20)		10,375		10,231,825
3.13%, 11/01/20		8,000		8,081,840
4.50%, 01/15/20		12,415		12,836,613

				168,214,069
BIOTECHNOLOGY — 1.50%
Amgen Inc.
1.90%, 05/10/19		7,380		7,324,429
2.13%, 05/01/20 (Call 04/01/20)		8,894		8,755,965
2.20%, 05/22/19 (Call 04/22/19)^a		12,800		12,736,768
2.20%, 05/11/20^a		17,635		17,384,230
3.45%, 10/01/20^a		10,380		10,525,216
4.50%, 03/15/20^a		775		799,242
Baxalta Inc.
2.88%, 06/23/20 (Call 05/23/20)		20,905		20,783,751
Biogen Inc.
2.90%, 09/15/20		15,020		15,003,779
Celgene Corp.
2.25%, 05/15/19^a		3,330		3,311,885
2.88%, 08/15/20^a		16,616		16,576,454
2.88%, 02/19/21		12,500		12,437,750
3.95%, 10/15/20		5,900		6,040,125
Gilead Sciences Inc.
1.85%, 09/20/19		3,940		3,896,660
2.05%, 04/01/19		325		323,414
2.35%, 02/01/20		10,000		9,934,600
2.55%, 09/01/20		17,914		17,791,468

				163,625,736
CHEMICALS — 1.14%
Air Products & Chemicals Inc.
4.38%, 08/21/19		675		692,550
Dow Chemical Co. (The)
8.55%, 05/15/19		28,966		30,930,185
Eastman Chemical Co.
2.70%, 01/15/20 (Call 12/15/19)		14,333		14,311,501
5.50%, 11/15/19		946		987,652


Security	Principal (000s)		Value
EI du Pont de Nemours & Co.
2.20%, 05/01/20	$	18,523	$	18,308,318
4.63%, 01/15/20^a		6,180		6,408,351
LyondellBasell Industries NV
5.00%, 04/15/19 (Call 01/15/19)		5,095		5,191,907
Monsanto Co.
2.13%, 07/15/19		7,373		7,312,173
Potash Corp. of Saskatchewan Inc.
6.50%, 05/15/19		2,160		2,249,078
PPG Industries Inc.
2.30%, 11/15/19 (Call 10/15/19)		1,900		1,889,550
Praxair Inc.
2.25%, 09/24/20^a		5,000		4,949,100
3.00%, 09/01/21		3,906		3,920,023
4.50%, 08/15/19		3,740		3,842,962
Sherwin-Williams Co. (The)
2.25%, 05/15/20^a		23,385		23,054,336

				124,047,686
COMMERCIAL SERVICES — 0.13%
Ecolab Inc.
2.25%, 01/12/20		7,865		7,801,294
Moody’s Corp.
2.75%, 07/15/19 (Call 06/15/19)^a		3,324		3,324,731
5.50%, 09/01/20		3,245		3,433,275

				14,559,300
COMPUTERS — 2.14%
Apple Inc.
1.10%, 08/02/19^a		9,165		8,996,364
1.50%, 09/12/19^a		7,500		7,407,300
1.55%, 02/07/20		20,198		19,835,042
1.80%, 05/11/20^a		21,850		21,487,946
1.90%, 02/07/20		10,950		10,826,156
2.00%, 05/06/20^a		20,252		20,012,419
2.00%, 11/13/20^a		5,000		4,916,900
2.10%, 05/06/19^a		6,050		6,028,220
Dell International LLC/EMC Corp.
3.48%, 06/01/19^b		23,586		23,737,894
DXC Technology Co.
2.88%, 03/27/20		560		558,499


Security	Principal (000s)		Value
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)^a	$	47,195	$	47,709,425
IBM Credit LLC
1.63%, 09/06/19		6,025		5,945,530
2.65%, 02/05/21		15,000		14,905,200
International Business Machines Corp.
1.63%, 05/15/20^a		21,742		21,262,806
1.80%, 05/17/19^a		7,000		6,942,670
1.88%, 05/15/19		4,425		4,397,609
1.90%, 01/27/20		8,450		8,333,306

				233,303,286
COSMETICS & PERSONAL CARE — 0.59%
Colgate-Palmolive Co.
1.75%, 03/15/19		250		248,278
Estee Lauder Companies Inc. (The)
1.70%, 05/10/21 (Call 04/10/21)		5,000		4,825,550
1.80%, 02/07/20^a		12,665		12,463,247
Procter & Gamble Co. (The)
1.75%, 10/25/19		7,500		7,421,475
1.90%, 11/01/19		10,513		10,427,319
1.90%, 10/23/20^a		7,650		7,522,474
Unilever Capital Corp.
1.80%, 05/05/20^a		11,735		11,533,275
2.20%, 03/06/19^a		10,035		10,012,823

				64,454,441
DIVERSIFIED FINANCIAL SERVICES — 3.27%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
3.75%, 05/15/19		14,750		14,882,307
4.63%, 10/30/20^a		13,240		13,690,160
Air Lease Corp.
2.13%, 01/15/20		3,525		3,476,284
2.50%, 03/01/21		5,205		5,112,976
3.38%, 06/01/21 (Call 05/01/21)		5,675		5,699,970
American Express Co.
2.20%, 10/30/20 (Call 09/29/20)		20,000		19,595,200


Security	Principal (000s)		Value
8.13%, 05/20/19^a	$	250	$	265,725
American Express Credit Corp.
1.70%, 10/30/19 (Call 09/30/19)^a		21,075		20,729,159
1.88%, 05/03/19 (Call 04/03/19)^a		4,570		4,531,840
2.13%, 03/18/19^a		6,750		6,725,092
2.20%, 03/03/20 (Call 02/01/20)^a		14,491		14,303,631
2.25%, 08/15/19^a		12,915		12,841,514
2.38%, 05/26/20 (Call 04/25/20)^a		30,654		30,310,982
Series F
2.60%, 09/14/20 (Call 08/14/20)		13,791		13,664,537
Ameriprise Financial Inc.
5.30%, 03/15/20		6,000		6,295,260
7.30%, 06/28/19		1,975		2,093,105
Capital One Bank USA N.A.
2.30%, 06/05/19 (Call 05/05/19)		7,300		7,249,557
8.80%, 07/15/19		500		537,665
GE Capital International Funding Co. Unlimited Co.
2.34%, 11/15/20^a		75,000		73,370,250
Intercontinental Exchange Inc.
2.75%, 12/01/20 (Call 11/01/20)		2,485		2,474,464
International Lease Finance Corp.
5.88%, 04/01/19		5,660		5,842,139
6.25%, 05/15/19		11,305		11,718,650
Jefferies Group LLC
8.50%, 07/15/19		2,290		2,455,911
Mastercard Inc.
2.00%, 04/01/19		2,700		2,687,202
National Rural Utilities Cooperative Finance Corp.
1.50%, 11/01/19		5,850		5,740,605
2.30%, 11/15/19 (Call 10/15/19)		10,100		10,030,411
2.30%, 11/01/20 (Call 10/01/20)		5,500		5,425,970
2.90%, 03/15/21		10,000		9,982,600
Nomura Holdings Inc.
2.75%, 03/19/19^a		650		650,169


Security	Principal (000s)		Value
6.70%, 03/04/20^a	$	5,100	$	5,461,386
Synchrony Financial
2.70%, 02/03/20 (Call 01/03/20)		9,071		9,005,326
3.00%, 08/15/19 (Call 07/15/19)^a		11,726		11,731,746
TD Ameritrade Holding Corp.
5.60%, 12/01/19^a		500		523,945
Visa Inc.
2.20%, 12/14/20 (Call 11/14/20)^a		18,598		18,362,363

				357,468,101
ELECTRIC — 3.42%
Ameren Corp.
2.70%, 11/15/20 (Call 10/15/20)		6,720		6,683,981
American Electric Power Co. Inc.
2.15%, 11/13/20		10,710		10,510,580
Berkshire Hathaway Energy Co.
2.38%, 01/15/21^b		1,220		1,204,604
CMS Energy Corp.
8.75%, 06/15/19		2,705		2,896,839
Commonwealth Edison Co.
3.40%, 09/01/21 (Call 06/01/21)		5,145		5,212,760
Consolidated Edison Inc.
2.00%, 03/15/20		5,985		5,894,746
2.00%, 05/15/21 (Call 04/15/21)		9,990		9,695,195
Consumers Energy Co.
6.13%, 03/15/19		2,540		2,628,316
6.70%, 09/15/19		670		709,195
Dominion Energy Inc.
2.50%, 12/01/19 (Call 11/01/19)		5,683		5,637,877
2.58%, 07/01/20^a		14,395		14,217,078
2.96%, 07/01/19^a,e		4,800		4,810,512
Series B 1.60%, 08/15/19^a		8,549		8,408,540
DTE Electric Co.
3.45%, 10/01/20 (Call 07/01/20)		4,160		4,223,190
DTE Energy Co.
1.50%, 10/01/19^a		7,189		7,052,625


Security	Principal (000s)		Value
Duke Energy Carolinas LLC
3.90%, 06/15/21 (Call 03/15/21)	$	5,881	$	6,070,721
4.30%, 06/15/20		500		517,565
Duke Energy Corp.
1.80%, 09/01/21 (Call 08/01/21)		10,000		9,574,700
5.05%, 09/15/19		8,490		8,781,122
Duke Energy Florida LLC
1.85%, 01/15/20^a		5,180		5,101,523
Duke Energy Indiana LLC
3.75%, 07/15/20^a		3,085		3,153,487
Duke Energy Ohio Inc.
5.45%, 04/01/19^a		2,710		2,788,671
Edison International
2.13%, 04/15/20^a		9,450		9,309,573
Emera U.S. Finance LP
2.15%, 06/15/19		8,400		8,318,604
2.70%, 06/15/21 (Call 05/15/21)		5,000		4,905,900
Entergy Arkansas Inc.
3.75%, 02/15/21 (Call 11/15/20)		3,580		3,657,221
Entergy Corp.
5.13%, 09/15/20 (Call 06/15/20)		2,313		2,420,462
Eversource Energy
2.50%, 03/15/21 (Call 02/15/21)		2,550		2,506,880
4.50%, 11/15/19		2,780		2,860,731
Exelon Corp.
2.85%, 06/15/20 (Call 05/15/20)^a		14,447		14,366,675
5.15%, 12/01/20 (Call 09/01/20)		10,000		10,475,200
Exelon Generation Co. LLC
2.95%, 01/15/20 (Call 12/15/19)^a		12,636		12,632,715
5.20%, 10/01/19		7,260		7,517,222
Georgia Power Co.
2.00%, 03/30/20		5,000		4,928,650
2.00%, 09/08/20^a		3,905		3,832,562
Indiana Michigan Power Co.
7.00%, 03/15/19		110		114,761


Security	Principal (000s)		Value
Kansas City Power & Light Co.
7.15%, 04/01/19	$	2,047	$	2,141,039
Kentucky Utilities Co.
3.25%, 11/01/20 (Call 08/01/20)		5,639		5,704,751
LG&E & KU Energy LLC
3.75%, 11/15/20 (Call 08/15/20)		1,470		1,497,033
MidAmerican Energy Co.
2.40%, 03/15/19 (Call 02/15/19)		2,725		2,719,223
Nevada Power Co.
7.13%, 03/15/19		3,400		3,557,488
NextEra Energy Capital Holdings Inc.
2.30%, 04/01/19		3,240		3,226,586
2.40%, 09/15/19 (Call 08/15/19)		4,525		4,501,334
2.70%, 09/15/19 (Call 08/15/19)		12,025		12,013,456
Northern States Power Co./MN
2.20%, 08/15/20 (Call 07/15/20)		3,945		3,894,898
NV Energy Inc.
6.25%, 11/15/20		8,397		9,090,424
Oglethorpe Power Corp.
6.10%, 03/15/19^a		2,120		2,189,218
Ohio Power Co. Series M
5.38%, 10/01/21^a		10,000		10,814,500
Pacific Gas & Electric Co.
3.50%, 10/01/20 (Call 07/01/20)^a		12,017		12,160,122
PG&E Corp.
2.40%, 03/01/19 (Call 02/01/19)^a		3,605		3,587,696
Pinnacle West Capital Corp.
2.25%, 11/30/20		5,000		4,910,950
Progress Energy Inc.
7.05%, 03/15/19		2,958		3,088,241
PSEG Power LLC
5.13%, 04/15/20^a		1,601		1,674,182
Public Service Co. of Colorado
5.13%, 06/01/19		8,463		8,716,213


Security	Principal (000s)		Value
Public Service Electric & Gas Co.
1.90%, 03/15/21 (Call 02/15/21)	$	1,735	$	1,686,975
2.00%, 08/15/19 (Call 07/15/19)		3,330		3,298,432
Series I
1.80%, 06/01/19 (Call 05/01/19)		1,000		989,610
Public Service Enterprise Group Inc.
1.60%, 11/15/19		7,290		7,141,721
Southern California Edison Co.
2.90%, 03/01/21		5,000		4,997,900
Southern Co. (The)
1.85%, 07/01/19^a		2,775		2,744,031
2.15%, 09/01/19 (Call 08/01/19)^a		7,020		6,959,417
Southern Power Co.
1.95%, 12/15/19		11,960		11,760,388
TECO Finance Inc.
5.15%, 03/15/20		3,675		3,821,669
Virginia Electric & Power Co.
5.00%, 06/30/19		1,910		1,964,492
WEC Energy Group Inc.
2.45%, 06/15/20 (Call 05/15/20)^a		6,580		6,529,926
Xcel Energy Inc.
4.70%, 05/15/20 (Call 11/15/19)		12,117		12,493,596

				373,496,494
ELECTRICAL COMPONENTS & EQUIPMENT — 0.05%
Emerson Electric Co.
4.25%, 11/15/20		5,000		5,189,450
4.88%, 10/15/19		50		51,749

				5,241,199
ELECTRONICS — 0.32%
Amphenol Corp.
2.20%, 04/01/20		3,840		3,799,066
Flex Ltd.
4.63%, 02/15/20		5,000		5,143,800
Fortive Corp.
1.80%, 06/15/19		2,070		2,047,209


Security	Principal (000s)		Value
Honeywell International Inc.
1.40%, 10/30/19^a	$	21,415	$	21,009,614
1.80%, 10/30/19		3,060		3,023,555

				35,023,244
ENVIRONMENTAL CONTROL — 0.25%
Republic Services Inc.
5.00%, 03/01/20^a		5,155		5,370,015
5.50%, 09/15/19		10,953		11,411,821
Waste Management Inc.
4.75%, 06/30/20		10,003		10,426,327

				27,208,163
FOOD — 1.23%
General Mills Inc.
2.20%, 10/21/19^a		9,000		8,920,710
JM Smucker Co. (The)
2.50%, 03/15/20		15,275		15,178,615
Kellogg Co.
4.00%, 12/15/20		7,105		7,298,185
4.15%, 11/15/19^a		6,112		6,250,559
Kraft Heinz Foods Co.
2.80%, 07/02/20 (Call 06/02/20)^a		20,980		20,860,834
5.38%, 02/10/20		11,924		12,443,886
Kroger Co. (The)
1.50%, 09/30/19		5,750		5,633,390
3.30%, 01/15/21 (Call 12/15/20)		4,950		4,983,314
6.15%, 01/15/20		7,560		8,000,143
Mondelez International Inc.
5.38%, 02/10/20		6,000		6,274,260
Sysco Corp.
1.90%, 04/01/19^a		8,165		8,104,334
2.50%, 07/15/21 (Call 06/15/21)^a		7,000		6,888,350
2.60%, 10/01/20 (Call 09/01/20)^a		16,440		16,322,618
Tyson Foods Inc.
2.65%, 08/15/19 (Call 07/15/19)		7,637		7,618,671

				134,777,869


Security	Principal (000s)		Value
GAS — 0.31%
Dominion Energy Gas Holdings LLC
2.50%, 12/15/19 (Call 11/15/19)^a	$	10,675	$	10,612,124
Sempra Energy
1.63%, 10/07/19		2,289		2,244,800
2.40%, 02/01/20		4,485		4,445,756
2.40%, 03/15/20 (Call 02/15/20)		11,714		11,592,760
2.85%, 11/15/20 (Call 10/15/20)^a		5,000		4,993,400

				33,888,840
HEALTH CARE — PRODUCTS — 1.79%
Abbott Laboratories
2.00%, 03/15/20^a		10,532		10,360,644
2.35%, 11/22/19		32,884		32,682,421
2.80%, 09/15/20 (Call 08/15/20)^a		4,900		4,888,730
5.13%, 04/01/19^a		5,158		5,297,266
Becton Dickinson and Co.
2.13%, 06/06/19		5,409		5,362,591
2.40%, 06/05/20		3,725		3,664,432
2.68%, 12/15/19		11,264		11,214,100
3.25%, 11/12/20		3,378		3,377,865
Boston Scientific Corp.
2.85%, 05/15/20		15,000		14,955,600
6.00%, 01/15/20		8,823		9,315,147
Danaher Corp.
2.40%, 09/15/20 (Call 08/15/20)^a		1,900		1,887,270
Medtronic Global Holdings SCA
1.70%, 03/28/19		8,522		8,442,575
Medtronic Inc.
2.50%, 03/15/20^a		41,507		41,276,636
Stryker Corp.
2.00%, 03/08/19		12,505		12,440,474
2.63%, 03/15/21 (Call 02/15/21)^a		5,000		4,942,150
Zimmer Biomet Holdings Inc.
2.70%, 04/01/20 (Call 03/01/20)		25,961		25,772,783

				195,880,684


Security	Principal (000s)		Value
HEALTH CARE — SERVICES — 0.74%
Aetna Inc.
2.20%, 03/15/19 (Call 02/15/19)	$	1,340	$	1,331,598
Anthem Inc.
2.25%, 08/15/19		4,003		3,972,657
2.50%, 11/21/20^a		8,670		8,558,937
4.35%, 08/15/20^a		1,600		1,653,632
Humana Inc.
2.50%, 12/15/20		3,040		2,998,565
2.63%, 10/01/19		4,877		4,873,440
Laboratory Corp. of America Holdings
2.63%, 02/01/20		1,580		1,571,926
Quest Diagnostics Inc.
2.50%, 03/30/20 (Call 02/29/20)^a		5,526		5,485,495
2.70%, 04/01/19^a		1,825		1,825,310
4.70%, 04/01/21		7,304		7,647,873
4.75%, 01/30/20^a		7,184		7,437,811
UnitedHealth Group Inc.
1.63%, 03/15/19		5,125		5,078,106
1.95%, 10/15/20^a		4,725		4,626,720
2.30%, 12/15/19^a		11,725		11,663,209
2.70%, 07/15/20		11,965		11,949,565

				80,674,844
HOLDING COMPANIES — DIVERSIFIED — 0.11%
Ares Capital Corp.
3.63%, 01/19/22 (Call 12/19/21)^a		2,575		2,537,508
3.88%, 01/15/20 (Call 12/15/19)		500		504,785
FS Investment Corp.
4.00%, 07/15/19		5,000		5,021,650
4.25%, 01/15/20 (Call 12/15/19)		800		808,192
Prospect Capital Corp.
5.00%, 07/15/19^a		3,630		3,684,523

				12,556,658
HOME BUILDERS — 0.12%
DR Horton Inc.
2.55%, 12/01/20		7,559		7,467,763


Security	Principal (000s)		Value
3.75%, 03/01/19 (Call 12/01/18)	$	3,810	$	3,837,394
4.00%, 02/15/20		1,590		1,624,169

				12,929,326
HOUSEHOLD PRODUCTS & WARES — 0.03%
Kimberly-Clark Corp.
1.90%, 05/22/19		3,260		3,234,148

				3,234,148
HOUSEWARES — 0.06%
Newell Brands Inc.
2.60%, 03/29/19		2,478		2,470,640
4.70%, 08/15/20		3,770		3,900,895

				6,371,535
INSURANCE — 0.91%
Allstate Corp. (The)
7.45%, 05/16/19		455		479,661
American International Group Inc.
2.30%, 07/16/19 (Call 06/16/19)		13,277		13,191,762
3.30%, 03/01/21 (Call 02/01/21)^a		665		666,297
6.40%, 12/15/20		5,000		5,429,400
AXIS Specialty Finance LLC
5.88%, 06/01/20		5,000		5,298,150
Berkshire Hathaway Finance Corp.
1.30%, 08/15/19^a		5,255		5,171,446
1.70%, 03/15/19^a		22,211		22,055,301
Berkshire Hathaway Inc.
2.10%, 08/14/19^a		5,561		5,536,476
Chubb INA Holdings Inc.
5.90%, 06/15/19		1,471		1,529,869
Lincoln National Corp.
6.25%, 02/15/20		1,160		1,235,446
8.75%, 07/01/19^a		4,560		4,915,680
Marsh & McLennan Companies Inc.
2.35%, 09/10/19 (Call 08/10/19)		4,291		4,268,000
2.35%, 03/06/20 (Call 02/06/20)		4,850		4,800,967
Protective Life Corp.
7.38%, 10/15/19		2,250		2,402,910


Security	Principal (000s)		Value
Prudential Financial Inc.
2.35%, 08/15/19	$	3,977	$	3,954,769
5.38%, 06/21/20^a		4,815		5,076,117
7.38%, 06/15/19		7,792		8,254,689
Travelers Companies Inc. (The)
3.90%, 11/01/20^a		3,480		3,570,410
WR Berkley Corp.
5.38%, 09/15/20		1,000		1,052,370

				98,889,720
INTERNET — 0.71%
Alibaba Group Holding Ltd.
2.50%, 11/28/19 (Call 10/28/19)		21,000		20,897,310
Amazon.com Inc.
1.90%, 08/21/20^b		11,530		11,288,216
2.60%, 12/05/19 (Call 11/05/19)		12,165		12,167,676
Baidu Inc.
2.75%, 06/09/19^a		7,025		7,007,016
3.00%, 06/30/20		5,000		4,982,350
eBay Inc.
2.15%, 06/05/20^a		2,395		2,362,261
2.20%, 08/01/19 (Call 07/01/19)^a		18,410		18,290,703

				76,995,532
IRON & STEEL — 0.05%
Vale Overseas Ltd.
4.63%, 09/15/20		5,000		5,195,550

				5,195,550
LEISURE TIME — 0.02%
Royal Caribbean Cruises Ltd.
2.65%, 11/28/20		2,350		2,328,027

				2,328,027
LODGING — 0.05%
Marriott International Inc./MD
3.00%, 03/01/19 (Call 12/01/18)		5,321		5,337,495

				5,337,495
MACHINERY — 1.02%
Caterpillar Financial Services Corp.
1.35%, 05/18/19		10,220		10,071,401
1.85%, 09/04/20^a		7,500		7,322,850


Security	Principal (000s)		Value
1.90%, 03/22/19	$	7,225	$	7,186,274
2.00%, 11/29/19		7,500		7,425,525
2.10%, 06/09/19^a		7,747		7,708,265
2.10%, 01/10/20^a		10,700		10,600,811
2.25%, 12/01/19		5,500		5,463,700
John Deere Capital Corp.
1.25%, 10/09/19		12,250		11,993,485
1.70%, 01/15/20		586		576,038
1.95%, 03/04/19^a		3,340		3,325,070
1.95%, 06/22/20		9,580		9,411,584
2.20%, 03/13/20		6,290		6,232,761
2.25%, 04/17/19		1,150		1,146,585
2.30%, 09/16/19^a		3,752		3,739,693
2.35%, 01/08/21^a		6,240		6,159,379
2.38%, 07/14/20		10,000		9,902,100
Roper Technologies Inc.
6.25%, 09/01/19		3,430		3,601,534

				111,867,055
MANUFACTURING — 0.58%
3M Co.
1.63%, 06/15/19		5,475		5,422,002
2.00%, 08/07/20^a		10,000		9,868,100
General Electric Co.
2.20%, 01/09/20 (Call 12/09/19)		875		863,345
5.50%, 01/08/20^a		11,722		12,249,138
6.00%, 08/07/19		11,549		12,069,282
Illinois Tool Works Inc.
1.95%, 03/01/19^a		1,089		1,083,936
6.25%, 04/01/19		4,791		4,976,939
Ingersoll-Rand Global Holding Co. Ltd.
2.90%, 02/21/21		7,500		7,474,050
Ingersoll-Rand Luxembourg Finance SA
2.63%, 05/01/20 (Call 04/01/20)		6,510		6,451,215
Pall Corp.
5.00%, 06/15/20		3,000		3,148,740

				63,606,747


Security	Principal (000s)		Value
MEDIA — 1.63%
Charter Communications Operating LLC/Charter Communications Operating Capital
3.58%, 07/23/20 (Call 06/23/20)	$	13,164	$	13,261,545
Comcast Corp.
5.15%, 03/01/20^a		20,558		21,524,637
5.70%, 07/01/19^a		13,150		13,675,211
Discovery Communications LLC
2.20%, 09/20/19		1,660		1,643,068
5.05%, 06/01/20		5,500		5,733,145
NBCUniversal Media LLC
5.15%, 04/30/20^a		23,748		24,921,864
Scripps Networks Interactive Inc.
2.75%, 11/15/19 (Call 10/15/19)		12,450		12,394,722
Thomson Reuters Corp.
4.70%, 10/15/19^a		2,450		2,523,917
Time Warner Cable LLC
5.00%, 02/01/20		13,730		14,202,724
8.25%, 04/01/19		9,449		9,977,861
Time Warner Inc.
2.10%, 06/01/19^a		975		968,243
4.88%, 03/15/20		24,504		25,419,714
Walt Disney Co. (The)
0.88%, 07/12/19^a		6,230		6,096,553
1.80%, 06/05/20		8,400		8,262,240
1.85%, 05/30/19		6,795		6,749,134
1.95%, 03/04/20^a		8,010		7,918,045
2.15%, 09/17/20^a		2,410		2,379,080

				177,651,703
METAL FABRICATE & HARDWARE — 0.06%
Precision Castparts Corp.
2.25%, 06/15/20 (Call 05/15/20)		6,655		6,605,553

				6,605,553
MINING — 0.09%
BHP Billiton Finance USA Ltd.
6.50%, 04/01/19		4,835		5,043,340
Newmont Mining Corp.
5.13%, 10/01/19		479		494,577


Security	Principal (000s)		Value
Southern Copper Corp.
5.38%, 04/16/20	$	4,275	$	4,468,871

				10,006,788
OFFICE & BUSINESS EQUIPMENT — 0.09%
Xerox Corp.
2.80%, 05/15/20		4,395		4,355,093
5.63%, 12/15/19		5,000		5,213,500

				9,568,593
OIL & GAS — 4.64%
Anadarko Petroleum Corp.
6.95%, 06/15/19		5,920		6,217,954
8.70%, 03/15/19		1,740		1,839,284
BP Capital Markets PLC
1.68%, 05/03/19^a		3,605		3,572,519
1.77%, 09/19/19^a		3,360		3,315,850
2.24%, 05/10/19^a		7,060		7,032,819
2.32%, 02/13/20		25,292		25,078,283
2.52%, 01/15/20^a		17,007		16,935,911
4.50%, 10/01/20^a		21,513		22,348,350
4.75%, 03/10/19^a		1,750		1,789,882
Cenovus Energy Inc.
5.70%, 10/15/19		13,675		14,189,043
Chevron Corp.
1.56%, 05/16/19		24,664		24,407,741
1.96%, 03/03/20 (Call 02/03/20)		24,406		24,081,644
1.99%, 03/03/20^a		9,848		9,723,127
2.19%, 11/15/19 (Call 10/15/19)		3,025		3,008,030
2.42%, 11/17/20 (Call 10/17/20)^a		13,075		12,956,148
2.43%, 06/24/20 (Call 05/24/20)		11,004		10,942,818
4.95%, 03/03/19^a		1,700		1,742,925
CNOOC Finance 2015 Australia Pty Ltd.
2.63%, 05/05/20		10,275		10,180,264
Ecopetrol SA
7.63%, 07/23/19		17,765		18,794,126
Encana Corp.
6.50%, 05/15/19		2,240		2,334,170


Security	Principal (000s)		Value
EOG Resources Inc.
2.45%, 04/01/20 (Call 03/01/20)^a	$	12,525	$	12,417,661
4.40%, 06/01/20		10,000		10,317,600
5.63%, 06/01/19		9,094		9,410,380
EQT Corp.
8.13%, 06/01/19		500		530,865
Exxon Mobil Corp.
1.71%, 03/01/19^a		13,680		13,586,155
1.82%, 03/15/19 (Call 02/15/19)^a		13,550		13,483,063
1.91%, 03/06/20 (Call 02/06/20)^a		16,395		16,208,097
Husky Energy Inc.
7.25%, 12/15/19^a		9,453		10,144,865
Marathon Petroleum Corp.
3.40%, 12/15/20 (Call 11/15/20)		6,557		6,632,143
Petroleos Mexicanos
5.50%, 01/21/21		15,000		15,702,750
6.00%, 03/05/20^a		2,482		2,606,075
6.38%, 02/04/21^a		10,000		10,697,700
8.00%, 05/03/19		2,846		3,006,827
Pioneer Natural Resources Co.
3.45%, 01/15/21 (Call 12/15/20)		525		530,245
7.50%, 01/15/20		430		464,727
Shell International Finance BV
1.38%, 05/10/19^a		17,480		17,241,223
1.38%, 09/12/19^a		8,735		8,586,505
2.13%, 05/11/20^a		21,782		21,511,468
4.30%, 09/22/19^a		19,193		19,692,402
4.38%, 03/25/20^a		17,733		18,322,977
Statoil ASA
2.25%, 11/08/19		8,620		8,571,642
2.90%, 11/08/20		10,000		10,019,700
Total Capital International SA
2.10%, 06/19/19^a		4,352		4,324,408
Total Capital SA
4.13%, 01/28/21		8,817		9,120,746
4.45%, 06/24/20		22,354		23,200,770
Valero Energy Corp.
6.13%, 02/01/20		12,430		13,186,987


Security	Principal (000s)		Value
9.38%, 03/15/19	$	5,887	$	6,278,603

				506,287,472
PACKAGING & CONTAINERS — 0.12%
Packaging Corp. of America
2.45%, 12/15/20		4,764		4,695,827
WestRock RKT Co.
3.50%, 03/01/20		7,897		7,986,552
4.45%, 03/01/19		875		889,376

				13,571,755
PHARMACEUTICALS — 3.93%
AbbVie Inc.
2.50%, 05/14/20 (Call 04/14/20)^a		48,157		47,729,366
Allergan Funding SCS
3.00%, 03/12/20 (Call 02/12/20)^a		40,801		40,776,927
AstraZeneca PLC
1.95%, 09/18/19		14,786		14,626,459
2.38%, 11/16/20^a		21,977		21,683,827
Bristol-Myers Squibb Co.
1.75%, 03/01/19		9,555		9,482,286
Cardinal Health Inc.
1.95%, 06/14/19^a		13,060		12,932,273
2.40%, 11/15/19^a		10,915		10,853,985
4.63%, 12/15/20^a		2,610		2,718,289
CVS Health Corp.
2.25%, 08/12/19 (Call 07/12/19)		15,164		15,034,499
2.80%, 07/20/20 (Call 06/20/20)^a		41,390		41,088,267
Eli Lilly & Co.
1.95%, 03/15/19		5,827		5,792,504
Express Scripts Holding Co.
2.25%, 06/15/19		10,305		10,241,315
2.60%, 11/30/20^a		10,000		9,872,400
Express Scripts Inc.
7.25%, 06/15/19		500		527,620
Johnson & Johnson
1.13%, 03/01/19		12,750		12,593,048
1.88%, 12/05/19^a		3,750		3,718,275
1.95%, 11/10/20		5,350		5,268,627
McKesson Corp.
2.28%, 03/15/19^a		9,725		9,693,102


Security	Principal (000s)		Value
Mead Johnson Nutrition Co.
4.90%, 11/01/19	$	11,345	$	11,721,200
Medco Health Solutions Inc.
4.13%, 09/15/20		1,830		1,877,763
Merck & Co. Inc.
1.85%, 02/10/20		23,248		22,943,451
Merck Sharp & Dohme Corp.
5.00%, 06/30/19		3,813		3,934,597
Mylan NV
2.50%, 06/07/19		7,685		7,637,276
3.75%, 12/15/20 (Call 11/15/20)		6,448		6,530,663
Novartis Capital Corp.
1.80%, 02/14/20^a		15,925		15,693,769
4.40%, 04/24/20		4,517		4,682,548
Pfizer Inc.
1.45%, 06/03/19		32,930		32,530,230
1.70%, 12/15/19^a		14,774		14,573,960
2.10%, 05/15/19^a		2,229		2,219,906
Shire Acquisitions Investments Ireland DAC
1.90%, 09/23/19		30,215		29,743,344

				428,721,776
PIPELINES — 1.71%
Boardwalk Pipelines LP
5.75%, 09/15/19		2,033		2,108,160
Buckeye Partners LP
4.88%, 02/01/21 (Call 11/01/20)		500		516,600
Columbia Pipeline Group Inc.
3.30%, 06/01/20 (Call 05/01/20)		5,266		5,289,223
Enable Midstream Partners LP
2.40%, 05/15/19 (Call 04/15/19)		1,780		1,763,428
Enbridge Energy Partners LP
4.38%, 10/15/20 (Call 09/15/20)		11,674		12,001,456
5.20%, 03/15/20		6,050		6,293,028
9.88%, 03/01/19		815		870,436
Energy Transfer LP
4.15%, 10/01/20 (Call 08/01/20)		7,972		8,141,644


Security	Principal (000s)		Value
9.00%, 04/15/19	$	2,589	$	2,755,809
9.70%, 03/15/19		2,406		2,573,530
Energy Transfer LP/Regency Energy Finance Corp.
5.75%, 09/01/20 (Call 06/01/20)		4,000		4,211,040
EnLink Midstream Partners LP
2.70%, 04/01/19 (Call 03/01/19)		2,760		2,740,128
Enterprise Products Operating LLC
2.55%, 10/15/19 (Call 09/15/19)		10,092		10,043,054
2.80%, 02/15/21		2,750		2,733,170
5.20%, 09/01/20^a		14,383		15,132,786
5.25%, 01/31/20		8,377		8,740,143
Kinder Morgan Energy Partners LP
6.50%, 04/01/20		3,580		3,817,784
6.85%, 02/15/20		14,569		15,584,314
Kinder Morgan Inc./DE
3.05%, 12/01/19 (Call 11/01/19)		20,920		20,928,368
Magellan Midstream Partners LP
6.55%, 07/15/19		6,774		7,097,255
ONEOK Partners LP
3.80%, 03/15/20 (Call 02/15/20)		1,000		1,012,120
8.63%, 03/01/19		3,608		3,804,925
Plains All American Pipeline LP/PAA Finance Corp.
2.60%, 12/15/19 (Call 11/15/19)		2,065		2,039,807
5.75%, 01/15/20^a		1,425		1,489,396
TransCanada PipeLines Ltd.
2.13%, 11/15/19		12,900		12,771,387
3.80%, 10/01/20^a		11,940		12,212,112
Williams Partners LP
5.25%, 03/15/20		19,653		20,506,137

				187,177,240


Security	Principal (000s)		Value
REAL ESTATE INVESTMENT TRUSTS — 0.38%
American Tower Corp.
2.80%, 06/01/20 (Call 05/01/20)	$	15,145	$	15,065,640
Boston Properties LP
5.88%, 10/15/19 (Call 07/17/19)^a		1,859		1,940,499
Digital Realty Trust LP
5.88%, 02/01/20 (Call 11/03/19)		6,895		7,234,579
ERP Operating LP
2.38%, 07/01/19 (Call 06/01/19)		3,281		3,267,909
Kimco Realty Corp.
6.88%, 10/01/19		4,264		4,528,069
VEREIT Operating Partnership LP
4.13%, 06/01/21 (Call 05/01/21)		2,500		2,559,900
Welltower Inc.
4.13%, 04/01/19 (Call 01/01/19)		4,787		4,839,896
Weyerhaeuser Co.
7.38%, 10/01/19		1,550		1,659,616

				41,096,108
RETAIL — 1.44%
AutoNation Inc.
5.50%, 02/01/20		2,075		2,163,623
AutoZone Inc.
4.00%, 11/15/20 (Call 08/15/20)^a		4,500		4,614,345
Costco Wholesale Corp.
1.70%, 12/15/19		10,839		10,667,310
1.75%, 02/15/20^a		4,199		4,136,183
Home Depot Inc. (The)
1.80%, 06/05/20		10,650		10,476,512
2.00%, 06/15/19 (Call 05/15/19)		4,700		4,678,286
Lowe’s Companies Inc.
1.15%, 04/15/19		3,100		3,052,880
McDonald’s Corp.
1.88%, 05/29/19		2,500		2,480,550
2.20%, 05/26/20 (Call 04/26/20)^a		9,600		9,497,568


Security	Principal (000s)		Value
2.75%, 12/09/20 (Call 11/09/20)^a	$	10,132	$	10,118,018
3.50%, 07/15/20^a		10,325		10,504,448
Starbucks Corp.
2.20%, 11/22/20		6,005		5,940,326
Target Corp.
2.30%, 06/26/19^a		14,992		14,959,018
3.88%, 07/15/20^a		14,348		14,760,792
Walgreens Boots Alliance Inc.
2.70%, 11/18/19 (Call 10/18/19)^a		16,900		16,847,272
Walmart Inc.
1.75%, 10/09/19^a		8,025		7,941,781
1.90%, 12/15/20^a		10,000		9,818,400
3.63%, 07/08/20		13,856		14,203,924

				156,861,236
SEMICONDUCTORS — 1.24%
Applied Materials Inc.
2.63%, 10/01/20 (Call 09/01/20)		5,000		4,985,800
Broadcom Corp./Broadcom Cayman Finance Ltd.
2.20%, 01/15/21		5,000		4,844,850
2.38%, 01/15/20		40,115		39,624,795
Intel Corp.
1.85%, 05/11/20^a		6,600		6,497,832
2.45%, 07/29/20^a		14,921		14,873,104
Lam Research Corp.
2.75%, 03/15/20 (Call 02/15/20)		650		648,830
QUALCOMM Inc.
1.85%, 05/20/19^a		12,005		11,896,595
2.10%, 05/20/20		26,270		25,769,031
2.25%, 05/20/20^a		14,829		14,568,158
Texas Instruments Inc.
1.65%, 08/03/19		8,404		8,308,951
1.75%, 05/01/20 (Call 04/01/20)^a		3,116		3,060,784
Xilinx Inc.
2.13%, 03/15/19		745		741,692

				135,820,422


Security	Principal (000s)		Value
SOFTWARE — 1.60%
Autodesk Inc.
3.13%, 06/15/20 (Call 05/15/20)^a	$	1,370	$	1,375,343
CA Inc.
3.60%, 08/15/22 (Call 07/15/22)^a		1,725		1,739,042
5.38%, 12/01/19		100		104,105
Fidelity National Information Services Inc.
3.63%, 10/15/20 (Call 09/15/20)^a		16,570		16,816,893
Fiserv Inc.
2.70%, 06/01/20 (Call 05/01/20)		8,490		8,474,124
Microsoft Corp.
1.10%, 08/08/19		23,711		23,294,635
1.85%, 02/06/20		16,770		16,592,070
1.85%, 02/12/20 (Call 01/12/20)		15,040		14,874,710
2.00%, 11/03/20 (Call 10/03/20)^a		10,000		9,836,700
3.00%, 10/01/20		12,842		12,988,912
4.20%, 06/01/19^a		2,475		2,531,405
Oracle Corp.
2.25%, 10/08/19		36,361		36,246,826
3.88%, 07/15/20^a		10,301		10,596,021
5.00%, 07/08/19		10,913		11,268,764
VMware Inc.
2.30%, 08/21/20		8,499		8,288,225

				175,027,775
TELECOMMUNICATIONS — 2.60%
America Movil SAB de CV
5.00%, 10/16/19		1,100		1,138,731
5.00%, 03/30/20^a		30,195		31,373,209
AT&T Inc.
2.30%, 03/11/19^a		14,250		14,219,362
2.45%, 06/30/20 (Call 05/30/20)^a		37,601		37,197,165
5.20%, 03/15/20		10,040		10,492,904
5.88%, 10/01/19^a		10,170		10,651,448
Cisco Systems Inc.
1.40%, 09/20/19		11,200		11,012,176


Security	Principal (000s)		Value
2.13%, 03/01/19	$	16,347	$	16,297,959
2.45%, 06/15/20		19,857		19,736,667
4.45%, 01/15/20^a		32,358		33,452,024
Deutsche Telekom International Finance BV
2.23%, 01/17/20^a,b		6,000		5,931,360
6.00%, 07/08/19^a		2,176		2,271,418
Juniper Networks Inc.
3.30%, 06/15/20 (Call 05/15/20)		6,400		6,430,144
Orange SA
1.63%, 11/03/19^a		22,925		22,490,342
5.38%, 07/08/19		15,720		16,258,882
Telefonica Emisiones SAU
5.13%, 04/27/20^a		19,443		20,282,743
5.88%, 07/15/19^a		1,850		1,924,722
Telefonos de Mexico SAB de CV
5.50%, 11/15/19		2,200		2,297,922
Verizon Communications Inc.
1.38%, 08/15/19^a		5,555		5,465,120
2.63%, 02/21/20		11,475		11,452,624
Vodafone Group PLC
5.45%, 06/10/19^a		3,130		3,236,263

				283,613,185
TRANSPORTATION — 0.95%
Burlington Northern Santa Fe LLC
3.60%, 09/01/20 (Call 06/01/20)		3,000		3,056,310
4.70%, 10/01/19		6,712		6,929,536
Canadian National Railway Co.
2.40%, 02/03/20		12,205		12,162,771
5.55%, 03/01/19		711		731,185
FedEx Corp.
2.30%, 02/01/20^a		7,964		7,887,386
Norfolk Southern Railway Co.
9.75%, 06/15/20		18,600		21,411,948
Ryder System Inc.
2.45%, 11/15/18 (Call 10/15/18)^a		250		249,902
2.45%, 09/03/19 (Call 08/03/19)		5,682		5,657,795
2.55%, 06/01/19 (Call 05/01/19)		3,370		3,362,586


Security	Principal (000s)		Value
2.65%, 03/02/20 (Call 02/02/20)	$	5,150	$	5,123,374
2.88%, 09/01/20 (Call 08/01/20)		4,136		4,125,412
Union Pacific Corp.
2.25%, 06/19/20 (Call 05/19/20)		3,500		3,471,335
United Parcel Service Inc.
3.13%, 01/15/21^a		5,241		5,297,603
5.13%, 04/01/19		4,346		4,468,514
United Parcel Service of America Inc.
8.38%, 04/01/20		18,195		20,276,872

				104,212,529

TRUCKING & LEASING — 0.02%
GATX Corp.
2.50%, 03/15/19		1,980		1,972,298

				1,972,298

TOTAL CORPORATE BONDS & NOTES
(Cost: $9,003,651,656)				8,879,863,259

FOREIGN GOVERNMENT OBLIGATIONS^f — 16.73%

CANADA — 1.76%
Export Development Canada
1.00%, 09/13/19^a		24,600		24,108,492
1.63%, 01/17/20^a		19,470		19,198,783
1.63%, 06/01/20		5,000		4,905,250
1.75%, 08/19/19		3,580		3,550,393
1.75%, 07/21/20		10,000		9,830,100
Province of Alberta Canada
1.90%, 12/06/19^a		22,520		22,278,135
Province of Manitoba Canada
1.75%, 05/30/19^a		4,570		4,533,257
Province of Ontario Canada
1.25%, 06/17/19^a		21,350		21,044,268
1.65%, 09/27/19^a		1,100		1,086,646
1.88%, 05/21/20		15,000		14,770,350
2.55%, 02/12/21		25,000		24,854,000
4.00%, 10/07/19^a		10,150		10,393,499
4.40%, 04/14/20^a		20,000		20,743,400
Province of Quebec Canada
3.50%, 07/29/20^a		10,350		10,558,863

				191,855,436


Security	Principal (000s)		Value
COLOMBIA — 0.27%
Colombia Government International Bond
7.38%, 03/18/19	$	16,975	$	17,739,384
11.75%, 02/25/20^a		9,700		11,325,235

				29,064,619
GERMANY — 0.34%
FMS Wertmanagement AoeR
1.00%, 08/16/19		12,370		12,132,249
1.75%, 01/24/20		10,450		10,319,061
1.75%, 03/17/20		15,000		14,788,500

				37,239,810
HUNGARY — 0.15%
Hungary Government International Bond
6.25%, 01/29/20		15,750		16,737,525

				16,737,525
ISRAEL — 0.05%
Israel Government International Bond
5.13%, 03/26/19		5,775		5,944,034

				5,944,034
JAPAN — 0.53%
Japan Bank for International Cooperation
1.50%, 07/21/21		15,200		14,526,336
2.13%, 06/01/20		10,400		10,274,784
2.13%, 07/21/20		20,200		19,923,058
2.25%, 02/24/20		12,910		12,812,530

				57,536,708
MEXICO — 0.05%
Mexico Government International Bond
3.50%, 01/21/21		5,000		5,092,300

				5,092,300
PANAMA — 0.10%
Panama Government International Bond
5.20%, 01/30/20		10,350		10,806,228

				10,806,228


Security	Principal (000s)		Value
PERU — 0.01%
Peruvian Government International Bond
7.13%, 03/30/19	$	1,065	$	1,118,697

				1,118,697
PHILIPPINES — 0.20%
Philippine Government International Bond
6.50%, 01/20/20		10,320		10,991,832
8.38%, 06/17/19		10,000		10,724,200

				21,716,032
POLAND — 0.14%
Republic of Poland Government International Bond
6.38%, 07/15/19		14,240		14,982,189

				14,982,189
SOUTH KOREA — 0.55%
Export-Import Bank of Korea
1.50%, 10/21/19^a		5,000		4,885,050
1.75%, 05/26/19		10,000		9,865,200
2.13%, 01/25/20^a		1,180		1,161,096
2.25%, 01/21/20^a		10,000		9,863,300
4.00%, 01/29/21		10,000		10,235,100
5.13%, 06/29/20		15,525		16,239,305
Korea International Bond
7.13%, 04/16/19		8,020		8,409,612

				60,658,663
SUPRANATIONAL — 11.99%
African Development Bank
1.00%, 05/15/19^a		14,822		14,595,223
1.13%, 03/04/19		15,510		15,339,700
1.13%, 09/20/19		8,385		8,230,129
1.38%, 02/12/20^a		775		759,779
1.88%, 03/16/20^a		28,650		28,336,855
Asian Development Bank
1.38%, 03/23/20^a		15,000		14,689,950
1.50%, 01/22/20		22,900		22,519,860
1.63%, 05/05/20^a		40,180		39,486,091
1.63%, 08/26/20^a		10,000		9,791,300
1.75%, 03/21/19		4,250		4,228,155
1.75%, 01/10/20		38,525		38,077,339
1.88%, 04/12/19^a		3,710		3,694,344



Security	Principal (000s)		Value
2.25%, 01/20/21	$	35,455	$	35,131,650
Corp. Andina de Fomento
2.00%, 05/10/19^a		8,650		8,588,845
Council of Europe Development Bank
1.63%, 03/10/20		15,000		14,756,100
1.88%, 01/27/20		17,205		17,031,402
European Bank for Reconstruction & Development
0.88%, 07/22/19		38,580		37,816,888
1.13%, 08/24/20		9,010		8,709,697
1.50%, 03/16/20		10,000		9,819,500
1.63%, 05/05/20		600		589,554
1.75%, 06/14/19^a		8,619		8,560,563
1.75%, 11/26/19^a		2,000		1,979,300
2.00%, 02/01/21^a		10,000		9,831,000
European Investment Bank
1.13%, 08/15/19		18,750		18,430,688
1.25%, 05/15/19		28,555		28,210,341
1.25%, 12/16/19^a		51,265		50,246,877
1.38%, 06/15/20^a		52,915		51,601,650
1.63%, 03/16/20		37,500		36,891,375
1.63%, 08/14/20^a		20,315		19,880,056
1.63%, 12/15/20^a		45,000		43,839,900
1.75%, 06/17/19^a		13,450		13,357,599
1.75%, 05/15/20^a		32,750		32,236,152
1.88%, 03/15/19		19,065		18,995,031
2.88%, 09/15/20		35,000		35,278,600
4.00%, 02/16/21		15,000		15,593,100
Inter-American Development Bank
1.00%, 05/13/19		28,110		27,691,442
1.13%, 09/12/19		1,400		1,374,856
1.38%, 07/15/20^a		10,600		10,330,760
1.63%, 05/12/20^a		47,565		46,733,564
1.75%, 10/15/19^a		10,500		10,402,455
1.88%, 06/16/20		35,500		35,037,080
2.13%, 11/09/20		25,000		24,725,250
3.88%, 02/14/20^a		1,770		1,819,241
Series E
3.88%, 09/17/19^a		1,300		1,330,199
Series GDP
1.25%, 10/15/19^a		23,515		23,111,953


Security	Principal or Shares (000s)		Value
International Bank for Reconstruction & Development
0.88%, 08/15/19^a	$	26,125	$	25,592,050
1.13%, 11/27/19^a		27,405		26,828,947
1.25%, 07/26/19		28,430		28,019,755
1.38%, 03/30/20		44,575		43,638,479
1.63%, 09/04/20^a		77,315		75,665,098
1.88%, 03/15/19^a		43,300		43,152,780
1.88%, 10/07/19		27,005		26,812,724
1.88%, 04/21/20^a		52,135		51,535,969
International Finance Corp.
1.63%, 07/16/20		20,750		20,335,208
1.75%, 09/16/19^a		22,175		21,980,969
1.75%, 03/30/20		11,300		11,147,224
2.25%, 01/25/21^a		14,755		14,623,828
Nordic Investment Bank
1.63%, 11/20/20		11,000		10,735,340
2.25%, 02/01/21		10,000		9,906,500

				1,309,656,264
SWEDEN — 0.59%
Svensk Exportkredit AB
1.13%, 08/28/19		17,100		16,782,453
1.25%, 04/12/19		17,620		17,412,260
1.75%, 05/18/20		14,705		14,460,309
1.75%, 08/28/20^a		10,200		9,985,494
1.88%, 06/17/19		5,830		5,794,146

				64,434,662

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $1,853,018,797)				1,826,843,167

SHORT-TERM INVESTMENTS — 7.77%

MONEY MARKET FUNDS — 7.77%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^d,g,h		764,250		764,326,785
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^d,g		84,450		84,450,239

				848,777,024

TOTAL SHORT-TERM INVESTMENTS
(Cost: $848,743,869)				848,777,024

^a	All or a portion of this security is on loan.

^b	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^c	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^d	Affiliate of the Fund.

^e	Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently in effect.

^f	Investments are denominated in U.S. dollars.

^g	Annualized 7-day yield as of period end.

^h	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 85.62%

ADVERTISING — 0.15%
Interpublic Group of Companies Inc. (The)
3.75%, 02/15/23	$	262	$	263,754
Omnicom Group Inc.
3.60%, 04/15/26 (Call 01/15/26)		356		347,698
3.63%, 05/01/22		482		487,900
3.65%, 11/01/24 (Call 08/01/24)		200		199,080
4.45%, 08/15/20		250		258,762
WPP Finance 2010
3.75%, 09/19/24		465		465,865
5.63%, 11/15/43		200		222,248

				2,245,307
AEROSPACE & DEFENSE — 1.36%
Boeing Capital Corp.
4.70%, 10/27/19		110		113,966
Boeing Co. (The)
2.80%, 03/01/23 (Call 02/01/23)		265		262,061
2.85%, 10/30/24 (Call 07/30/24)		465		454,840
3.25%, 03/01/28 (Call 12/01/27)		340		335,583
3.55%, 03/01/38 (Call 09/01/37)		130		125,424
4.88%, 02/15/20		200		209,106
5.88%, 02/15/40		254		321,876
Embraer Netherlands Finance BV
5.05%, 06/15/25		19		19,817
General Dynamics Corp.
1.88%, 08/15/23 (Call 06/15/23)		50		46,825
2.13%, 08/15/26 (Call 05/15/26)^a		250		225,148
2.25%, 11/15/22 (Call 08/15/22)		350		337,267
2.63%, 11/15/27 (Call 08/15/27)^a		325		302,286


Security	Principal (000s)		Value
3.88%, 07/15/21 (Call 04/15/21)	$	176	$	181,356
Harris Corp.
3.83%, 04/27/25 (Call 01/27/25)^a		20		20,185
4.40%, 12/15/20		200		206,836
4.85%, 04/27/35 (Call 10/27/34)		215		229,919
5.05%, 04/27/45 (Call 10/27/44)		325		354,773
L3 Technologies Inc.
3.95%, 05/28/24 (Call 02/28/24)		42		42,528
4.75%, 07/15/20		390		404,200
5.20%, 10/15/19		252		261,100
Lockheed Martin Corp.
2.90%, 03/01/25 (Call 12/01/24)		695		668,103
3.10%, 01/15/23 (Call 11/15/22)		200		199,650
3.35%, 09/15/21		304		307,697
3.55%, 01/15/26 (Call 10/15/25)		498		498,060
3.60%, 03/01/35 (Call 09/01/34)		30		28,481
3.80%, 03/01/45 (Call 09/01/44)		400		376,408
4.07%, 12/15/42		384		378,881
4.25%, 11/15/19		60		61,649
4.50%, 05/15/36 (Call 11/15/35)		250		265,530
4.70%, 05/15/46 (Call 11/15/45)		703		762,551
Series B
6.15%, 09/01/36		150		188,289
Northrop Grumman Corp.
2.08%, 10/15/20		200		195,852
2.55%, 10/15/22 (Call 09/15/22)		177		171,078
2.93%, 01/15/25 (Call 11/15/24)		121		116,154
3.20%, 02/01/27 (Call 11/01/26)		1,056		1,012,862
3.25%, 08/01/23		5		4,971


Security	Principal (000s)		Value
3.25%, 01/15/28 (Call 10/15/27)	$	400	$	382,268
3.50%, 03/15/21		232		235,206
3.85%, 04/15/45 (Call 10/15/44)		200		188,002
4.03%, 10/15/47 (Call 04/15/47)^a		130		125,029
4.75%, 06/01/43		250		269,555
5.05%, 08/01/19		200		206,850
Raytheon Co.
2.50%, 12/15/22 (Call 09/15/22)		132		128,856
3.13%, 10/15/20		734		741,553
4.20%, 12/15/44 (Call 06/15/44)		430		452,695
4.70%, 12/15/41		25		27,969
4.88%, 10/15/40^a		130		149,217
Rockwell Collins Inc.
2.80%, 03/15/22 (Call 02/15/22)		300		293,064
3.20%, 03/15/24 (Call 01/15/24)		6		5,880
3.50%, 03/15/27 (Call 12/15/26)		615		598,856
3.70%, 12/15/23 (Call 09/15/23)		100		100,985
4.35%, 04/15/47 (Call 10/15/46)		510		506,624
4.80%, 12/15/43 (Call 06/15/43)		100		108,214
5.25%, 07/15/19		100		103,320
United Technologies Corp.
1.95%, 11/01/21 (Call 10/01/21)		415		399,188
3.10%, 06/01/22		601		599,269
3.13%, 05/04/27 (Call 02/04/27)		275		261,013
3.75%, 11/01/46 (Call 05/01/46)		460		422,377
4.05%, 05/04/47 (Call 11/04/46)^a		250		240,808
4.15%, 05/15/45 (Call 11/16/44)		416		405,687
4.50%, 04/15/20		1,374		1,426,033


Security	Principal (000s)		Value
4.50%, 06/01/42	$	685	$	704,803
5.40%, 05/01/35		90		102,327
5.70%, 04/15/40		350		416,535
6.05%, 06/01/36		295		359,581
6.13%, 07/15/38		100		124,529
6.70%, 08/01/28		150		186,105
7.50%, 09/15/29		75		98,860

				20,062,570
AGRICULTURE — 1.10%
Altria Group Inc.
2.63%, 01/14/20 (Call 12/14/19)		350		348,828
2.63%, 09/16/26 (Call 06/16/26)^a		250		230,925
2.85%, 08/09/22		485		476,668
3.88%, 09/16/46 (Call 03/16/46)		495		458,974
4.00%, 01/31/24		600		617,670
4.25%, 08/09/42		390		385,339
4.75%, 05/05/21		490		515,696
5.38%, 01/31/44		510		584,577
9.25%, 08/06/19		348		379,640
Archer-Daniels-Midland Co.
2.50%, 08/11/26 (Call 05/11/26)		449		413,399
4.02%, 04/16/43		170		164,404
BAT Capital Corp.
2.30%, 08/14/20^b		290		284,777
2.76%, 08/15/22 (Call 07/15/22)^b		247		240,148
3.22%, 08/15/24 (Call 06/15/24)^b		510		492,395
3.56%, 08/15/27 (Call 05/15/27)^b		530		506,781
4.39%, 08/15/37 (Call 02/15/37)^a,b		186		183,956
4.54%, 08/15/47 (Call 02/15/47)^b		810		787,190
Bunge Ltd. Finance Corp.
3.00%, 09/25/22 (Call 08/25/22)		150		146,357
3.25%, 08/15/26 (Call 05/15/26)		140		131,832


Security	Principal (000s)		Value
3.75%, 09/25/27 (Call 06/25/27)^a	$	300	$	289,914
8.50%, 06/15/19		300		320,874
Philip Morris International Inc.
1.88%, 02/25/21 (Call 01/25/21)		100		96,817
2.00%, 02/21/20^a		110		108,369
2.13%, 05/10/23 (Call 03/10/23)		285		268,880
2.38%, 08/17/22 (Call 07/17/22)		341		328,843
2.50%, 08/22/22		197		190,988
2.50%, 11/02/22 (Call 10/02/22)		300		290,061
2.75%, 02/25/26 (Call 11/25/25)^a		319		300,029
2.90%, 11/15/21		497		493,486
3.13%, 08/17/27 (Call 05/17/27)		100		96,029
3.13%, 03/02/28 (Call 12/02/27)^a		320		305,776
3.25%, 11/10/24		415		408,717
3.38%, 08/11/25 (Call 05/11/25)		10		9,847
3.88%, 08/21/42		8		7,516
4.13%, 05/17/21^a		200		206,512
4.13%, 03/04/43		578		562,336
4.25%, 11/10/44		361		360,419
4.38%, 11/15/41		327		330,388
4.88%, 11/15/43		350		378,444
6.38%, 05/16/38		285		369,052
Reynolds American Inc.
3.25%, 06/12/20		600		602,772
4.45%, 06/12/25 (Call 03/12/25)		370		381,862
5.70%, 08/15/35 (Call 02/15/35)		330		375,731
5.85%, 08/15/45 (Call 02/15/45)		954		1,109,874
6.88%, 05/01/20		500		539,690
7.25%, 06/15/37		114		151,569

				16,234,351


Security	Principal (000s)		Value
AIRLINES — 0.33%
American Airlines Pass Through Trust
Series 2013-2, Class A
4.95%, 07/15/24	$	485	$	506,378
Series 2014-1, Class A
3.70%, 04/01/28		415		412,464
Series 2015-1, Class A
3.38%, 11/01/28		105		102,692
Series 2016-3, Class AA
3.00%, 04/15/30		404		383,379
Continental Airlines Inc. Pass Through Trust
Series 2007-1, Class A
5.98%, 10/19/23		352		379,765
Series 2009-2, Class A
7.25%, 05/10/21		189		200,588
Series 2012-2, Class A
4.00%, 04/29/26		203		207,218
Delta Air Lines Inc.
2.60%, 12/04/20		170		167,875
3.63%, 03/15/22 (Call 02/15/22)		400		400,176
Delta Air Lines Inc. Pass Through Trust
Series 2017-1, Class A
6.82%, 02/10/24		47		51,920
Southwest Airlines Co.
2.65%, 11/05/20 (Call 10/05/20)		175		173,663
2.75%, 11/06/19 (Call 10/06/19)		375		374,977
2.75%, 11/16/22 (Call 10/16/22)		160		157,166
3.00%, 11/15/26 (Call 08/15/26)		20		18,858
United Airlines Pass Through Trust
Series 2014-1, Class A
4.00%, 10/11/27^a		56		56,732
Series 2014-2, Class A
3.75%, 03/03/28		487		488,370
Series 2015-1, Class AA
3.45%, 06/01/29		93		91,270


Security	Principal (000s)		Value
Series 2016-1, Class AA
3.10%, 01/07/30	$	482	$	464,367
Series 2016-2, Class AA
2.88%, 04/07/30		200		189,332
Series 2018-1, Class AA
3.50%, 09/01/31		50		49,340

				4,876,530
APPAREL — 0.12%
NIKE Inc.
2.25%, 05/01/23 (Call 02/01/23)		80		77,307
2.38%, 11/01/26 (Call 08/01/26)		895		826,139
3.38%, 11/01/46 (Call 05/01/46)^a		25		22,556
3.63%, 05/01/43 (Call 11/01/42)		350		331,713
3.88%, 11/01/45 (Call 05/01/45)		145		142,816
Ralph Lauren Corp.
2.63%, 08/18/20 (Call 07/18/20)		100		99,597
VF Corp.
3.50%, 09/01/21 (Call 06/01/21)		295		300,531

				1,800,659
AUTO MANUFACTURERS — 1.63%
American Honda Finance Corp.
1.20%, 07/12/19		100		98,133
1.65%, 07/12/21		220		211,363
1.70%, 09/09/21		300		287,454
2.15%, 03/13/20		350		346,293
2.25%, 08/15/19		250		248,650
2.30%, 09/09/26		400		365,996
2.45%, 09/24/20^a		170		168,422
2.60%, 11/16/22^a		410		401,222
2.65%, 02/12/21		100		99,558
3.50%, 02/15/28		100		99,900
Daimler Finance North America LLC
8.50%, 01/18/31		325		474,123
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)		467		459,318


Security	Principal (000s)		Value
4.75%, 01/15/43^a	$	527	$	486,495
5.29%, 12/08/46 (Call 06/08/46)^a		299		293,866
6.63%, 10/01/28		62		71,626
7.40%, 11/01/46^a		250		317,933
7.45%, 07/16/31		500		611,075
Ford Motor Credit Co. LLC
2.26%, 03/28/19		600		596,202
2.43%, 06/12/20		405		397,746
2.60%, 11/04/19		200		198,710
2.68%, 01/09/20		435		431,881
3.16%, 08/04/20		200		199,358
3.20%, 01/15/21^a		1,000		993,160
3.34%, 03/18/21^a		145		144,337
3.34%, 03/28/22 (Call 02/28/22)		800		788,448
3.66%, 09/08/24		450		436,351
3.81%, 01/09/24 (Call 11/09/23)		500		492,685
4.13%, 08/04/25		245		240,646
5.75%, 02/01/21		275		291,844
General Motors Co.
4.20%, 10/01/27 (Call 07/01/27)		380		374,703
5.15%, 04/01/38 (Call 10/01/37)		250		250,433
5.20%, 04/01/45		609		599,098
5.40%, 04/01/48 (Call 10/01/47)^a		225		228,215
6.25%, 10/02/43		227		253,380
6.60%, 04/01/36 (Call 10/01/35)		270		313,370
6.75%, 04/01/46 (Call 10/01/45)		315		370,679
General Motors Financial Co. Inc.
2.40%, 05/09/19		325		323,411
2.65%, 04/13/20		265		262,408
3.15%, 06/30/22 (Call 05/30/22)^a		30		29,351
3.20%, 07/13/20 (Call 06/13/20)		200		200,062
3.20%, 07/06/21 (Call 06/06/21)		130		129,048


Security	Principal (000s)		Value
3.25%, 01/05/23 (Call 12/05/22)	$	100	$	97,893
3.45%, 01/14/22 (Call 12/14/21)		1,005		1,000,488
3.45%, 04/10/22 (Call 02/10/22)		270		268,237
3.70%, 11/24/20 (Call 10/24/20)		743		751,024
3.70%, 05/09/23 (Call 03/09/23)		160		159,170
3.85%, 01/05/28 (Call 10/05/27)		100		94,968
3.95%, 04/13/24 (Call 02/13/24)		356		354,861
4.00%, 01/15/25 (Call 10/15/24)		645		640,162
4.00%, 10/06/26 (Call 07/06/26)		582		568,108
4.20%, 03/01/21 (Call 02/01/21)		487		498,410
4.25%, 05/15/23		50		50,887
4.30%, 07/13/25 (Call 04/13/25)		169		169,722
4.35%, 01/17/27 (Call 10/17/26)		116		115,662
4.38%, 09/25/21		100		102,893
5.25%, 03/01/26 (Call 12/01/25)		283		299,454
PACCAR Financial Corp.
2.05%, 11/13/20		170		166,867
2.30%, 08/10/22		330		319,272
Toyota Motor Credit Corp.
1.40%, 05/20/19		300		296,175
1.55%, 10/18/19^a		280		275,820
1.90%, 04/08/21		450		437,274
1.95%, 04/17/20		1,000		983,920
2.13%, 07/18/19		575		572,033
2.15%, 03/12/20		350		346,619
2.60%, 01/11/22		58		57,154
2.63%, 01/10/23		545		533,457
3.20%, 01/11/27		62		61,042
3.30%, 01/12/22		1,075		1,086,846
3.40%, 09/15/21		105		106,718

				24,002,089


Security	Principal (000s)		Value
AUTO PARTS & EQUIPMENT — 0.08%
Aptiv PLC
4.25%, 01/15/26 (Call 10/15/25)^a	$	200	$	204,882
4.40%, 10/01/46 (Call 04/01/46)		200		194,024
BorgWarner Inc.
4.38%, 03/15/45 (Call 09/15/44)		160		156,730
Delphi Corp.
4.15%, 03/15/24 (Call 12/15/23)		320		328,041
Magna International Inc.
3.63%, 06/15/24 (Call 03/15/24)		200		202,138
4.15%, 10/01/25 (Call 07/01/25)		100		103,015

				1,188,830
BANKS — 20.81%
Australia & New Zealand Banking Group Ltd./New York NY
1.60%, 07/15/19		1,000		986,020
2.25%, 06/13/19		495		492,297
2.30%, 06/01/21		300		292,635
2.63%, 05/19/22^a		500		488,160
2.70%, 11/16/20		250		248,150
BAC Capital Trust XI
6.63%, 05/23/36		70		86,746
Banco Santander SA
3.50%, 04/11/22		200		199,478
3.80%, 02/23/28		200		191,902
4.25%, 04/11/27		200		199,504
Bancolombia SA
5.95%, 06/03/21		200		214,822
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)		40		39,162
2.50%, 10/21/22 (Call 10/21/21)		1,000		965,790
2.65%, 04/01/19		952		952,409
3.25%, 10/21/27 (Call 10/21/26)^a		800		759,384
3.30%, 01/11/23		650		647,907
3.50%, 04/19/26^a		1,000		986,810


Security	Principal (000s)		Value
3.88%, 08/01/25	$	825	$	835,981
4.00%, 04/01/24		570		584,791
4.00%, 01/22/25		495		497,772
4.10%, 07/24/23		275		284,229
4.13%, 01/22/24		350		361,784
4.18%, 11/25/27 (Call 11/25/26)		595		596,125
4.20%, 08/26/24		134		136,944
4.25%, 10/22/26		300		303,324
4.45%, 03/03/26		615		630,596
4.88%, 04/01/44		17		18,814
5.00%, 01/21/44		475		535,382
5.88%, 02/07/42		226		282,145
6.11%, 01/29/37		605		729,878
6.22%, 09/15/26^a		500		564,635
7.75%, 05/14/38		750		1,071,165
(3 mo. LIBOR US + 0.370%)
2.74%, 01/23/22 (Call 01/23/21)^c		200		197,952
(3 mo. LIBOR US + 0.630%)
2.33%, 10/01/21 (Call 10/01/20)^c		158		155,434
(3 mo. LIBOR US + 0.790%)
3.00%, 12/20/23 (Call 12/20/22)^b,c		3,833		3,750,399
(3 mo. LIBOR US + 0.930%)
2.82%, 07/21/23 (Call 07/21/22)^c		200		195,086
(3 mo. LIBOR US + 1.021%)
2.88%, 04/24/23 (Call 04/24/22)^c		500		490,475
(3 mo. LIBOR US + 1.040%)
3.42%, 12/20/28 (Call 12/20/27)^a,b,c		1,732		1,657,039
(3 mo. LIBOR US + 1.090%)
3.09%, 10/01/25 (Call 10/01/24)^c		125		120,965
(3 mo. LIBOR US + 1.160%)
3.12%, 01/20/23 (Call 01/20/22)^c		300		297,585
(3 mo. LIBOR US + 1.370%)
3.59%, 07/21/28 (Call 07/21/27)^c		150		146,262


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.512%)
3.71%, 04/24/28 (Call 04/24/27)^c	$	1,000	$	982,810
(3 mo. LIBOR US + 1.575%)
3.82%, 01/20/28 (Call 01/20/27)^c		150		148,827
(3 mo. LIBOR US + 1.814%)
4.24%, 04/24/38 (Call 04/24/37)^c		410		417,273
(3 mo. LIBOR US + 1.990%)
4.44%, 01/20/48 (Call 01/20/47)^c		645		669,187
Series L
2.25%, 04/21/20		2,070		2,044,146
4.75%, 04/21/45^a		460		486,639
Bank of America N.A.
6.00%, 10/15/36		426		526,429
Bank of Montreal
1.90%, 08/27/21		890		855,984
2.10%, 12/12/19		225		222,575
2.10%, 06/15/20		775		762,391
2.55%, 11/06/22 (Call 10/06/22)		90		87,404
Bank of New York Mellon Corp. (The)
2.05%, 05/03/21 (Call 04/03/21)		275		266,940
2.20%, 05/15/19 (Call 04/15/19)		570		567,800
2.20%, 08/16/23 (Call 06/16/23)		308		291,069
2.45%, 11/27/20 (Call 10/27/20)		490		483,684
2.45%, 08/17/26 (Call 05/17/26)		100		91,228
2.50%, 04/15/21 (Call 03/15/21)		505		497,415
2.60%, 08/17/20 (Call 07/17/20)		390		387,157
2.80%, 05/04/26 (Call 02/04/26)		9		8,479
2.95%, 01/29/23 (Call 12/29/22)		100		98,841


Security	Principal (000s)		Value
3.00%, 02/24/25 (Call 01/24/25)	$	180	$	174,681
3.25%, 09/11/24 (Call 08/11/24)		150		148,571
3.25%, 05/16/27 (Call 02/16/27)		423		410,052
3.40%, 05/15/24 (Call 04/15/24)		585		585,129
3.40%, 01/29/28 (Call 10/29/27)		150		146,816
3.55%, 09/23/21 (Call 08/23/21)		350		355,876
3.65%, 02/04/24 (Call 01/05/24)		426		433,157
5.45%, 05/15/19^a		300		309,867
(3 mo. LIBOR US + 1.069%)
3.44%, 02/07/28 (Call 02/07/27)^c		150		147,422
Series G
2.15%, 02/24/20 (Call 01/24/20)		1,200		1,185,636
Bank of Nova Scotia (The)
1.65%, 06/14/19		565		558,254
2.45%, 03/22/21		1,300		1,279,694
2.45%, 09/19/22^a		195		188,719
2.70%, 03/07/22^a		90		88,255
2.80%, 07/21/21		300		297,828
4.38%, 01/13/21		55		57,218
4.50%, 12/16/25^a		411		420,564
Bank One Corp.
7.63%, 10/15/26		350		436,380
Barclays Bank PLC
2.65%, 01/11/21 (Call 12/11/20)		245		241,884
5.14%, 10/14/20		250		259,253
6.75%, 05/22/19		300		314,151
Barclays PLC
2.75%, 11/08/19		215		213,755
2.88%, 06/08/20		500		495,690
3.25%, 01/12/21		655		651,339
3.65%, 03/16/25		1,600		1,541,024
3.68%, 01/10/23 (Call 01/10/22)		1,150		1,141,777


Security	Principal (000s)		Value
4.34%, 01/10/28 (Call 01/10/27)^a	$	250	$	248,475
4.38%, 09/11/24		200		196,154
4.38%, 01/12/26		600		601,596
4.84%, 05/09/28 (Call 05/07/27)		200		196,952
4.95%, 01/10/47		390		401,025
5.20%, 05/12/26		400		405,760
BB&T Corp.
2.05%, 05/10/21 (Call 04/09/21)		355		344,723
2.45%, 01/15/20 (Call 12/15/19)		446		443,346
2.63%, 06/29/20 (Call 05/29/20)		100		99,352
2.75%, 04/01/22 (Call 03/01/22)^a		500		492,810
2.85%, 10/26/24 (Call 09/26/24)		330		319,341
6.85%, 04/30/19		255		267,113
BNP Paribas SA
2.38%, 05/21/20		200		197,598
4.25%, 10/15/24		200		205,224
5.00%, 01/15/21		510		536,260
BNP Paribas/BNP Paribas U.S. Medium-Term Note Program LLC
3.25%, 03/03/23		406		403,735
BPCE SA
2.50%, 07/15/19		250		248,920
2.75%, 12/02/21^a		1,300		1,273,909
4.00%, 04/15/24		250		255,360
Branch Banking & Trust Co.
1.45%, 05/10/19 (Call 04/10/19)		450		444,024
2.25%, 06/01/20 (Call 05/01/20)^a		250		246,733
3.80%, 10/30/26 (Call 09/30/26)		250		252,830
Canadian Imperial Bank of Commerce
2.55%, 06/16/22^a		325		316,488
2.70%, 02/02/21		500		495,315


Security	Principal (000s)		Value
Capital One Financial Corp.
2.40%, 10/30/20 (Call 09/30/20)	$	290	$	284,560
3.20%, 01/30/23 (Call 12/30/22)		500		490,635
3.20%, 02/05/25 (Call 01/05/25)		381		365,737
3.30%, 10/30/24 (Call 09/30/24)		307		297,950
3.50%, 06/15/23		5		4,996
3.75%, 04/24/24 (Call 03/24/24)		440		440,889
3.75%, 07/28/26 (Call 06/28/26)		313		298,702
3.75%, 03/09/27 (Call 02/09/27)		1,030		1,000,676
3.80%, 01/31/28 (Call 12/31/27)		430		417,453
4.20%, 10/29/25 (Call 09/29/25)		75		74,420
Capital One N.A.
1.85%, 09/13/19 (Call 08/13/19)		750		737,940
2.25%, 09/13/21 (Call 08/13/21)		250		240,583
2.40%, 09/05/19 (Call 08/05/19)		1,250		1,240,762
Citibank N.A.
2.10%, 06/12/20 (Call 05/12/20)		300		294,594
Citigroup Inc.
2.40%, 02/18/20		2,300		2,277,598
2.50%, 07/29/19		650		647,796
2.55%, 04/08/19		500		499,300
2.65%, 10/26/20		700		692,706
2.75%, 04/25/22 (Call 03/25/22)		395		386,571
2.90%, 12/08/21 (Call 11/08/21)		135		133,271
3.20%, 10/21/26 (Call 07/21/26)		575		548,487
3.30%, 04/27/25		550		536,679
3.40%, 05/01/26		1,200		1,165,836
3.50%, 05/15/23		104		103,619


Security	Principal (000s)		Value
3.70%, 01/12/26	$	310	$	308,025
3.88%, 10/25/23		1,270		1,294,257
3.88%, 03/26/25		550		548,009
4.05%, 07/30/22		125		127,951
4.13%, 07/25/28^a		110		109,210
4.30%, 11/20/26		200		203,106
4.40%, 06/10/25		250		256,660
4.45%, 09/29/27^a		1,345		1,374,186
4.50%, 01/14/22		600		626,604
4.60%, 03/09/26		300		310,599
4.65%, 07/30/45^a		465		497,341
4.75%, 05/18/46		395		404,492
5.30%, 05/06/44		420		465,566
5.38%, 08/09/20		1,000		1,053,190
5.50%, 09/13/25		650		710,814
5.88%, 01/30/42		100		124,767
6.00%, 10/31/33		355		417,821
6.68%, 09/13/43^a		510		668,722
8.13%, 07/15/39		625		952,200
(3 mo. LIBOR US + 0.722%)
3.14%, 01/24/23 (Call 01/24/22)^c		750		743,377
(3 mo. LIBOR US + 0.950%)
2.88%, 07/24/23 (Call 07/24/22)^c		285		278,434
(3 mo. LIBOR US + 1.390%)
3.67%, 07/24/28 (Call 07/24/27)^c		425		416,266
(3 mo. LIBOR US + 1.563%)
3.89%, 01/10/28 (Call 01/10/27)^c		1,000		996,730
(3 mo. LIBOR US + 1.839%)
4.28%, 04/24/48 (Call 04/24/47)^a,c		385		388,230
Citizens Bank N.A./Providence RI
2.25%, 03/02/20 (Call 02/03/20)		250		246,645
2.65%, 05/26/22 (Call 04/26/22)		250		243,100
Citizens Financial Group Inc.
4.30%, 12/03/25 (Call 11/03/25)		641		651,807


Security	Principal (000s)		Value
Commonwealth Bank of Australia/New York NY
2.25%, 03/13/19	$	500	$	498,295
2.30%, 09/06/19		100		99,423
2.30%, 03/12/20		250		246,988
2.55%, 03/15/21		260		256,443
Compass Bank
2.88%, 06/29/22 (Call 05/29/22)		250		243,825
3.88%, 04/10/25 (Call 03/10/25)		250		243,658
Cooperatieve Rabobank UA
3.88%, 02/08/22^a		950		970,083
3.95%, 11/09/22		550		558,459
4.38%, 08/04/25		500		508,295
4.50%, 01/11/21		398		413,932
5.25%, 05/24/41		302		357,520
5.25%, 08/04/45^a		250		277,455
5.75%, 12/01/43		250		296,575
Cooperatieve Rabobank UA/NY
1.38%, 08/09/19		250		245,365
2.25%, 01/14/20		250		247,188
2.50%, 01/19/21		970		955,130
2.75%, 01/10/22		1,250		1,230,362
Credit Suisse AG/New York NY
3.00%, 10/29/21		500		496,990
3.63%, 09/09/24		250		249,410
4.38%, 08/05/20		750		774,150
5.40%, 01/14/20^a		360		374,803
Credit Suisse Group Funding Guernsey Ltd.
2.75%, 03/26/20		1,205		1,195,999
3.13%, 12/10/20		800		797,608
3.45%, 04/16/21		750		752,077
3.75%, 03/26/25^a		250		246,765
3.80%, 09/15/22		1,300		1,312,467
4.55%, 04/17/26^a		750		777,525
Deutsche Bank AG
2.95%, 08/20/20		105		104,012
3.13%, 01/13/21		455		451,242
3.38%, 05/12/21		800		795,272
4.10%, 01/13/26^a		240		235,114
4.25%, 10/14/21		555		566,200


Security	Principal (000s)		Value
Deutsche Bank AG/London
3.70%, 05/30/24	$	434	$	423,532
Deutsche Bank AG/New York NY
2.70%, 07/13/20^a		285		280,896
3.15%, 01/22/21		250		247,650
3.30%, 11/16/22^a		690		673,419
Discover Bank
3.10%, 06/04/20 (Call 05/04/20)		250		249,743
3.20%, 08/09/21 (Call 07/09/21)		250		248,025
4.20%, 08/08/23		250		257,108
7.00%, 04/15/20		550		591,987
Fifth Third Bancorp.
2.60%, 06/15/22 (Call 05/15/22)^a		300		291,855
3.50%, 03/15/22 (Call 02/15/22)		805		812,317
4.30%, 01/16/24 (Call 12/16/23)		340		351,387
8.25%, 03/01/38		257		374,683
Fifth Third Bank/Cincinnati OH
1.63%, 09/27/19 (Call 08/27/19)^a		300		294,864
2.25%, 06/14/21 (Call 05/14/21)^a		200		195,076
2.88%, 10/01/21 (Call 09/01/21)		200		198,150
First Republic Bank/CA
4.63%, 02/13/47		350		359,586
Goldman Sachs Capital I
6.35%, 02/15/34^a		780		939,627
Goldman Sachs Group Inc. (The)
2.30%, 12/13/19 (Call 11/13/19)		70		69,369
2.35%, 11/15/21 (Call 11/15/20)		1,500		1,450,035
2.55%, 10/23/19		830		826,041
2.60%, 04/23/20 (Call 03/23/20)		952		945,174
2.75%, 09/15/20 (Call 08/15/20)		610		605,889
2.88%, 02/25/21 (Call 01/25/21)		610		605,291


Security	Principal (000s)		Value
3.00%, 04/26/22 (Call 04/26/21)^a	$	1,260	$	1,241,617
3.20%, 02/23/23 (Call 01/23/23)		250		246,080
3.50%, 11/16/26 (Call 11/16/25)		490		472,203
3.63%, 01/22/23		485		488,051
3.75%, 05/22/25 (Call 02/22/25)		410		408,212
3.75%, 02/25/26 (Call 11/25/25)		750		741,570
3.85%, 07/08/24 (Call 04/08/24)		1,600		1,610,944
3.85%, 01/26/27 (Call 01/26/26)		690		680,623
4.00%, 03/03/24		220		224,132
4.25%, 10/21/25		865		872,257
4.75%, 10/21/45 (Call 04/21/45)		900		957,789
4.80%, 07/08/44 (Call 01/08/44)		500		536,410
5.15%, 05/22/45		610		660,093
5.25%, 07/27/21^a		401		427,133
5.38%, 03/15/20^a		415		434,650
5.75%, 01/24/22		1,300		1,411,592
5.95%, 01/15/27		265		298,361
6.00%, 06/15/20		800		852,664
6.13%, 02/15/33^a		370		445,535
6.25%, 02/01/41		840		1,065,406
6.45%, 05/01/36		125		153,350
6.75%, 10/01/37		902		1,139,388
(3 mo. LIBOR US + 0.821%)
2.88%, 10/31/22 (Call 10/31/21)^c		1,000		981,060
(3 mo. LIBOR US + 0.990%)
2.91%, 07/24/23 (Call 07/24/22)^c		800		778,520
(3 mo. LIBOR US + 1.201%)
3.27%, 09/29/25 (Call 09/29/24)^c		700		675,318
(3 mo. LIBOR US + 1.373%)
4.02%, 10/31/38 (Call 10/31/37)^c		500		482,625


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.510%)
3.69%, 06/05/28 (Call 06/05/27)^c	$	250	$	242,530
HSBC Bank USA N.A.
4.88%, 08/24/20		750		780,945
HSBC Holdings PLC
2.65%, 01/05/22^a		1,500		1,460,925
2.95%, 05/25/21		780		773,214
3.40%, 03/08/21		1,200		1,206,396
3.60%, 05/25/23		200		200,986
4.00%, 03/30/22^a		820		840,016
4.25%, 03/14/24		400		404,600
4.25%, 08/18/25		245		243,878
4.30%, 03/08/26		1,500		1,545,075
5.10%, 04/05/21		164		172,979
5.25%, 03/14/44^a		400		439,824
6.10%, 01/14/42		597		768,930
6.50%, 05/02/36		435		537,234
6.50%, 09/15/37		549		682,561
6.80%, 06/01/38		850		1,093,984
(3 mo. LIBOR US + 1.546%)
4.04%, 03/13/28 (Call 03/13/27)^a,c		750		751,717
HSBC USA Inc.
2.35%, 03/05/20^a		605		597,976
2.38%, 11/13/19		150		148,863
3.50%, 06/23/24		800		798,112
Huntington Bancshares Inc./OH
2.30%, 01/14/22 (Call 12/14/21)		360		346,622
Huntington National Bank (The)
2.20%, 04/01/19 (Call 03/01/19)		300		298,251
2.38%, 03/10/20 (Call 02/10/20)		250		247,708
2.40%, 04/01/20 (Call 03/01/20)		250		247,258
2.50%, 08/07/22 (Call 07/07/22)		250		241,768
Industrial & Commercial Bank of China Ltd./New York
2.45%, 10/20/21		500		484,555
ING Groep NV
3.15%, 03/29/22		550		544,159


Security	Principal (000s)		Value
3.95%, 03/29/27	$	400	$	400,376
Intesa Sanpaolo SpA
5.25%, 01/12/24^a		400		426,576
JPMorgan Chase & Co.
2.20%, 10/22/19		216		214,192
2.25%, 01/23/20 (Call 12/23/19)		3,225		3,193,169
2.30%, 08/15/21 (Call 08/15/20)		130		126,614
2.40%, 06/07/21 (Call 05/07/21)^a		430		421,576
2.55%, 10/29/20 (Call 09/29/20)		850		841,916
2.55%, 03/01/21 (Call 02/01/21)		2,000		1,974,160
2.75%, 06/23/20 (Call 05/23/20)		805		802,617
2.95%, 10/01/26 (Call 07/01/26)		495		465,914
2.97%, 01/15/23 (Call 01/15/22)^a		385		378,913
3.13%, 01/23/25 (Call 10/23/24)		1,017		987,548
3.20%, 01/25/23		690		687,330
3.20%, 06/15/26 (Call 03/15/26)		620		595,789
3.25%, 09/23/22^a		592		591,668
3.30%, 04/01/26 (Call 01/01/26)		1,485		1,439,945
3.38%, 05/01/23		50		49,670
3.63%, 05/13/24		420		422,230
3.63%, 12/01/27 (Call 12/01/26)		525		507,040
3.88%, 02/01/24		445		454,501
3.88%, 09/10/24		494		498,021
3.90%, 07/15/25 (Call 04/15/25)^a		1,080		1,096,254
4.13%, 12/15/26^a		550		556,682
4.25%, 10/15/20		442		456,962
4.25%, 10/01/27^a		350		356,555
4.35%, 08/15/21		380		395,534
4.40%, 07/22/20^a		442		457,439
4.50%, 01/24/22		1,550		1,623,640
4.63%, 05/10/21		750		786,465


Security	Principal (000s)		Value
4.85%, 02/01/44	$	405	$	448,234
4.95%, 06/01/45^a		390		421,032
5.40%, 01/06/42		345		408,566
5.50%, 10/15/40		200		238,168
5.60%, 07/15/41		660		798,706
5.63%, 08/16/43		900		1,056,753
6.30%, 04/23/19		380		395,443
6.40%, 05/15/38^a		239		312,514
(3 mo. LIBOR US + 0.935%)
2.78%, 04/25/23 (Call 04/25/22)^c		500		489,360
(3 mo. LIBOR US + 0.945%)
3.51%, 01/23/29 (Call 01/23/28)^c		100		96,920
(3 mo. LIBOR US + 1.360%)
3.88%, 07/24/38 (Call 07/24/37)^c		62		59,916
(3 mo. LIBOR US + 1.380%)
3.54%, 05/01/28 (Call 05/01/27)^c		300		292,590
3.96%, 11/15/48 (Call 11/15/47)^c		40		38,053
(3 mo. LIBOR US + 1.460%)
4.03%, 07/24/48 (Call 07/24/47)^c		540		522,126
(3 mo. LIBOR US + 1.580%)
4.26%, 02/22/48 (Call 02/22/47)^c		260		259,745
JPMorgan Chase Bank N.A.
1.65%, 09/23/19 (Call 08/23/19)		250		246,345
(3 mo. LIBOR US + 0.280%)
2.60%, 02/01/21 (Call 02/01/20)^c		500		498,320
KeyBank N.A./Cleveland OH
2.30%, 09/14/22^a		400		384,456
2.50%, 11/22/21^a		410		401,144
3.40%, 05/20/26		250		241,490
KeyCorp
2.90%, 09/15/20		470		468,928
5.10%, 03/24/21		300		317,607
KfW
0.00%, 04/18/36^d		450		249,381
1.00%, 07/15/19		250		245,585


Security	Principal (000s)		Value
1.25%, 09/30/19	$	3,100	$	3,047,114
1.50%, 09/09/19		2,000		1,974,360
1.50%, 04/20/20		145		141,996
1.50%, 06/15/21^a		3,090		2,978,018
1.63%, 05/29/20		625		612,950
1.63%, 03/15/21		145		140,756
1.75%, 03/31/20^a		1,100		1,084,127
1.88%, 06/30/20		625		615,912
1.88%, 11/30/20		1,300		1,276,158
2.00%, 09/29/22		500		482,775
2.00%, 10/04/22		300		289,542
2.00%, 05/02/25^a		2,040		1,912,561
2.13%, 03/07/22^a		1,405		1,371,997
2.13%, 06/15/22		260		253,232
2.13%, 01/17/23^a		925		895,280
2.38%, 08/25/21^a		175		173,262
2.50%, 11/20/24		1,620		1,574,041
2.63%, 01/25/22		820		816,818
2.75%, 09/08/20		2,275		2,286,557
2.75%, 10/01/20		1,500		1,507,380
2.88%, 04/03/28		500		493,020
4.00%, 01/27/20		1,750		1,800,872
4.88%, 06/17/19		450		464,701
Korea Development Bank (The)
2.63%, 02/27/22^a		200		194,546
2.75%, 03/19/23		200		193,406
3.00%, 09/14/22		500		491,605
3.00%, 01/13/26		300		286,176
3.38%, 09/16/25		200		196,210
3.75%, 01/22/24		200		202,352
4.63%, 11/16/21		300		314,475
Landwirtschaftliche Rentenbank
1.38%, 10/23/19^a		255		250,956
1.75%, 07/27/26		900		814,572
2.00%, 01/13/25		505		474,579
2.25%, 10/01/21		250		246,343
Series 36 2.00%, 12/06/21		800		780,088
Series 37 2.50%, 11/15/27		380		362,345
Lloyds Bank PLC
6.38%, 01/21/21		555		605,927
Lloyds Banking Group PLC
3.00%, 01/11/22		500		492,595


Security	Principal (000s)		Value
3.57%, 11/07/28 (Call 11/07/27)	$	550	$	522,098
3.75%, 01/11/27		500		487,190
4.50%, 11/04/24		400		406,656
4.65%, 03/24/26^a		700		710,430
5.30%, 12/01/45^a		300		329,202
(3 mo. LIBOR US + 0.810%)
2.91%, 11/07/23 (Call 11/07/22)^a,c		500		483,800
Manufacturers & Traders Trust Co.
2.25%, 07/25/19 (Call 06/25/19)		200		198,786
2.50%, 05/18/22 (Call 04/18/22)		250		243,960
2.63%, 01/25/21 (Call 12/25/20)		500		495,325
2.90%, 02/06/25 (Call 01/06/25)^a		250		241,480
Mitsubishi UFJ Financial Group Inc.
2.19%, 09/13/21		500		483,760
2.53%, 09/13/23^a		300		285,936
2.67%, 07/25/22^a		530		515,255
2.76%, 09/13/26		250		231,098
2.95%, 03/01/21^a		650		647,816
3.29%, 07/25/27		370		354,393
3.46%, 03/02/23		100		99,862
3.68%, 02/22/27^a		616		609,643
3.85%, 03/01/26		600		602,052
Mizuho Financial Group Inc.
2.60%, 09/11/22		350		338,156
3.55%, 03/05/23		250		250,000
3.66%, 02/28/27		1,005		991,392
Morgan Stanley
2.50%, 04/21/21		1,500		1,473,795
2.63%, 11/17/21		340		332,778
2.65%, 01/27/20		1,675		1,668,333
2.75%, 05/19/22		325		317,798
2.80%, 06/16/20		1,800		1,795,500
3.13%, 01/23/23		100		98,522
3.13%, 07/27/26		900		854,460
3.63%, 01/20/27		565		553,666
3.70%, 10/23/24^a		200		200,282


Security	Principal (000s)		Value
3.75%, 02/25/23	$	1,150	$	1,167,146
3.88%, 01/27/26		610		611,415
3.95%, 04/23/27		855		841,055
4.00%, 07/23/25		615		624,243
4.10%, 05/22/23		500		509,015
4.30%, 01/27/45		595		595,000
4.35%, 09/08/26		874		889,085
4.38%, 01/22/47		880		891,739
4.88%, 11/01/22		748		789,529
5.00%, 11/24/25^a		540		576,277
5.50%, 01/26/20		100		104,669
5.50%, 07/24/20		200		211,206
5.50%, 07/28/21		195		209,268
5.63%, 09/23/19		410		427,261
5.75%, 01/25/21^a		800		857,664
6.38%, 07/24/42^a		525		683,161
7.25%, 04/01/32		290		384,401
7.30%, 05/13/19		775		815,532
(3 mo. LIBOR US + 1.455%)
3.97%, 07/22/38 (Call 07/22/37)^c		1,050		1,022,626
Series F 3.88%, 04/29/24		540		546,512
MUFG Americas Holdings Corp.
3.00%, 02/10/25 (Call 01/10/25)		200		193,282
3.50%, 06/18/22		400		401,868
National Australia Bank Ltd./New York
2.25%, 01/10/20		250		247,495
2.50%, 05/22/22		1,000		970,120
2.63%, 07/23/20		500		496,665
2.80%, 01/10/22		500		493,225
National Bank of Canada
2.20%, 11/02/20 (Call 10/02/20)		700		687,386
Northern Trust Corp.
3.38%, 08/23/21		300		305,103
3.95%, 10/30/25		377		387,658
Oesterreichische Kontrollbank AG
1.13%, 04/26/19		700		690,410
1.50%, 10/21/20		685		665,916
1.63%, 03/12/19		850		844,305


Security	Principal (000s)		Value
PNC Bank N.A.
1.95%, 03/04/19 (Call 02/02/19)^e	$	500	$	497,000
2.25%, 07/02/19 (Call 06/02/19)^e		1,395		1,385,821
2.40%, 10/18/19 (Call 09/18/19)^a,e		250		248,473
3.10%, 10/25/27 (Call 09/25/27)^e		500		477,775
4.20%, 11/01/25 (Call 10/02/25)^a,e		350		362,050
PNC Financial Services Group Inc. (The)
3.15%, 05/19/27 (Call 04/19/27)^e		470		451,938
3.30%, 03/08/22 (Call 02/06/22)^e		312		314,480
3.90%, 04/29/24 (Call 03/29/24)^e		975		994,568
4.38%, 08/11/20^e		250		258,415
5.13%, 02/08/20^e		395		411,527
6.88%, 05/15/19^e		400		418,964
Regions Bank/Birmingham AL
6.45%, 06/26/37		250		302,988
Regions Financial Corp.
2.75%, 08/14/22 (Call 07/14/22)		330		321,882
Royal Bank of Canada
1.63%, 04/15/19		500		494,745
2.13%, 03/02/20		500		493,595
2.15%, 03/15/19		540		537,808
2.15%, 10/26/20		195		191,373
2.35%, 10/30/20		295		291,454
2.50%, 01/19/21		910		899,954
2.75%, 02/01/22		140		138,376
Royal Bank of Scotland Group PLC
3.88%, 09/12/23		1,225		1,217,736
4.80%, 04/05/26^a		200		207,346
Santander Holdings USA Inc.
2.65%, 04/17/20 (Call 03/17/20)		260		257,902
2.70%, 05/24/19 (Call 04/24/19)		136		135,646


Security	Principal (000s)		Value
3.70%, 03/28/22 (Call 02/28/22)^b	$	150	$	149,895
4.40%, 07/13/27 (Call 06/13/27)^b		100		99,643
4.50%, 07/17/25 (Call 04/17/25)		320		324,650
Santander UK Group Holdings PLC
2.88%, 10/16/20		415		411,917
3.13%, 01/08/21		1,095		1,089,919
3.57%, 01/10/23 (Call 01/10/22)		300		297,675
Santander UK PLC
2.50%, 03/14/19		1,025		1,023,760
2.50%, 01/05/21		200		197,272
4.00%, 03/13/24		450		458,505
Skandinaviska Enskilda Banken AB
2.30%, 03/11/20^a		750		741,622
2.63%, 03/15/21		250		246,390
2.80%, 03/11/22		250		245,890
State Street Corp.
2.55%, 08/18/20		617		613,138
2.65%, 05/19/26^a		382		356,551
3.10%, 05/15/23		70		68,996
3.30%, 12/16/24		463		461,167
3.70%, 11/20/23		560		574,476
4.38%, 03/07/21		322		335,785
(3 mo. LIBOR US + 0.635%)
2.65%, 05/15/23 (Call 05/15/22)^c		300		293,820
Sumitomo Mitsui Banking Corp.
2.25%, 07/11/19		250		248,263
2.45%, 10/20/20		250		247,015
2.51%, 01/17/20		250		248,405
3.40%, 07/11/24		350		348,512
Sumitomo Mitsui Financial Group Inc.
2.44%, 10/19/21		800		779,584
2.78%, 10/18/22		500		486,745
2.85%, 01/11/22		250		245,918
2.93%, 03/09/21		500		497,595
3.10%, 01/17/23		250		246,518
3.35%, 10/18/27^a		300		288,957
3.45%, 01/11/27		2,100		2,042,964
3.54%, 01/17/28		250		243,995


Security	Principal (000s)		Value
3.78%, 03/09/26	$	850	$	848,725
SunTrust Bank/Atlanta GA
2.25%, 01/31/20 (Call 12/31/19)		150		148,428
2.45%, 08/01/22 (Call 07/01/22)		380		367,794
3.30%, 05/15/26 (Call 04/15/26)		300		287,943
SunTrust Banks Inc.
2.70%, 01/27/22 (Call 12/27/21)		800		784,512
2.90%, 03/03/21 (Call 02/03/21)		90		89,631
SVB Financial Group
3.50%, 01/29/25		375		365,194
Svenska Handelsbanken AB
2.25%, 06/17/19		650		646,860
2.40%, 10/01/20		250		246,515
2.45%, 03/30/21		1,500		1,470,585
Toronto-Dominion Bank (The)
1.80%, 07/13/21^a		1,500		1,444,575
2.25%, 11/05/19		400		397,228
2.50%, 12/14/20		796		788,589
2.55%, 01/25/21		250		247,708
U.S. Bancorp.
2.20%, 04/25/19 (Call 03/25/19)^a		250		248,963
2.35%, 01/29/21 (Call 12/29/20)		140		137,885
2.63%, 01/24/22 (Call 12/23/21)		155		152,553
2.95%, 07/15/22 (Call 06/15/22)		395		390,849
3.00%, 03/15/22 (Call 02/15/22)		875		874,834
3.10%, 04/27/26 (Call 03/27/26)		259		247,632
3.70%, 01/30/24 (Call 12/29/23)		510		522,306
4.13%, 05/24/21 (Call 04/23/21)		165		170,905
Series F
3.60%, 09/11/24 (Call 08/11/24)		110		111,189


Security	Principal (000s)		Value
Series V
2.38%, 07/22/26 (Call 06/22/26)^a	$	18	$	16,389
Series X
3.15%, 04/27/27 (Call 03/27/27)		1,000		962,430
U.S. Bank N.A./Cincinnati OH
1.40%, 04/26/19 (Call 03/26/19)		250		246,928
2.05%, 10/23/20 (Call 09/23/20)		750		735,697
2.80%, 01/27/25 (Call 12/27/24)		250		239,845
UBS AG/Stamford CT
2.38%, 08/14/19		480		477,734
4.88%, 08/04/20		500		522,045
Wachovia Corp.
5.50%, 08/01/35		5		5,664
Wells Fargo & Co.
2.10%, 07/26/21		255		246,358
2.50%, 03/04/21		245		240,666
2.55%, 12/07/20		590		582,271
2.60%, 07/22/20		395		391,820
2.63%, 07/22/22		460		446,494
3.00%, 01/22/21^a		350		349,272
3.00%, 02/19/25		2,430		2,335,522
3.00%, 04/22/26		892		844,296
3.00%, 10/23/26		1,390		1,312,494
3.07%, 01/24/23 (Call 01/24/22)		1,401		1,380,896
3.30%, 09/09/24		1,800		1,774,674
3.50%, 03/08/22		935		942,115
3.55%, 09/29/25		1,372		1,359,213
3.90%, 05/01/45^a		625		601,781
4.10%, 06/03/26^a		1,765		1,767,912
4.13%, 08/15/23		400		409,252
4.30%, 07/22/27^a		536		543,118
4.40%, 06/14/46^a		600		590,052
4.48%, 01/16/24		146		152,329
4.60%, 04/01/21		380		396,690
4.65%, 11/04/44		314		321,216
4.75%, 12/07/46^a		616		637,800
4.90%, 11/17/45		270		286,124


Security	Principal (000s)		Value
5.38%, 11/02/43	$	512	$	574,408
5.61%, 01/15/44		845		977,614
(3 mo. LIBOR US + 1.310%)
3.58%, 05/22/28 (Call 05/22/27)^a,c		435		424,734
Series M
3.45%, 02/13/23		650		645,398
Series N
2.15%, 01/30/20^a		873		860,691
Wells Fargo Bank N.A.
1.75%, 05/24/19		250		247,668
Westpac Banking Corp.
2.30%, 05/26/20		265		261,661
2.50%, 06/28/22^a		30		29,118
2.60%, 11/23/20		1,520		1,506,107
2.65%, 01/25/21		500		495,080
2.70%, 08/19/26		261		242,145
2.85%, 05/13/26		604		568,376
3.35%, 03/08/27		972		943,316
4.88%, 11/19/19		560		579,527
(5 year USD ICE Swap + 2.236%)
4.32%, 11/23/31 (Call 11/23/26)^c		105		104,801

				307,087,548
BEVERAGES — 2.17%
Anheuser-Busch InBev Finance Inc.
2.63%, 01/17/23		753		731,442
2.65%, 02/01/21 (Call 01/01/21)		3,085		3,056,556
3.30%, 02/01/23 (Call 12/01/22)		1,045		1,040,768
3.65%, 02/01/26 (Call 11/01/25)		3,235		3,202,003
3.70%, 02/01/24		530		538,856
4.00%, 01/17/43		281		266,467
4.63%, 02/01/44		526		541,201
4.70%, 02/01/36 (Call 08/01/35)		555		583,316
4.90%, 02/01/46 (Call 08/01/45)^a		2,761		2,945,159


Security	Principal (000s)		Value
Anheuser-Busch InBev Worldwide Inc.
2.50%, 07/15/22	$	180	$	175,072
3.75%, 01/15/22		330		336,966
4.38%, 02/15/21		75		78,046
4.44%, 10/06/48 (Call 04/06/48)		669		671,007
4.95%, 01/15/42		500		539,285
6.88%, 11/15/19		215		229,609
8.20%, 01/15/39		236		354,227
Beam Suntory Inc.
3.25%, 05/15/22 (Call 02/15/22)^a		170		169,276
Brown-Forman Corp.
4.50%, 07/15/45 (Call 01/15/45)		260		277,150
Coca-Cola Bottling Co. Consolidated
3.80%, 11/25/25 (Call 08/25/25)		100		98,749
Coca-Cola Co. (The)
1.55%, 09/01/21		295		283,238
1.88%, 10/27/20		420		411,869
2.20%, 05/25/22		270		262,796
2.25%, 09/01/26		391		361,288
2.45%, 11/01/20		340		338,905
2.50%, 04/01/23		110		107,301
2.88%, 10/27/25^a		912		886,792
3.15%, 11/15/20		270		273,229
3.20%, 11/01/23		533		539,433
3.30%, 09/01/21		467		473,963
Coca-Cola European Partners U.S. LLC
4.50%, 09/01/21 (Call 06/01/21)		100		103,961
Coca-Cola FEMSA SAB de CV
5.25%, 11/26/43^a		300		343,188
Constellation Brands Inc.
3.70%, 12/06/26 (Call 09/06/26)		70		69,117
4.25%, 05/01/23		350		362,579
4.75%, 12/01/25		340		360,512


Security	Principal (000s)		Value
Diageo Capital PLC
2.63%, 04/29/23 (Call 01/29/23)	$	280	$	271,678
3.88%, 04/29/43 (Call 10/29/42)^a		85		84,510
5.88%, 09/30/36		153		193,236
Diageo Investment Corp.
2.88%, 05/11/22		355		352,188
4.25%, 05/11/42		300		314,394
Dr Pepper Snapple Group Inc.
2.55%, 09/15/26 (Call 06/15/26)		370		331,228
3.43%, 06/15/27 (Call 03/15/27)		50		47,399
Fomento Economico Mexicano SAB de CV
2.88%, 05/10/23^a		250		243,775
Molson Coors Brewing Co.
1.45%, 07/15/19		250		245,652
2.10%, 07/15/21 (Call 06/15/21)		575		554,001
2.25%, 03/15/20 (Call 02/15/20)		160		157,874
3.00%, 07/15/26 (Call 04/15/26)		470		439,309
4.20%, 07/15/46 (Call 01/15/46)		490		458,978
5.00%, 05/01/42		620		656,611
Pepsi-Cola Metropolitan Bottling Co. Inc.
Series B
7.00%, 03/01/29^a		300		392,583
PepsiCo Inc.
1.70%, 10/06/21 (Call 09/06/21)		295		283,026
2.15%, 10/14/20 (Call 09/14/20)		330		325,446
2.38%, 10/06/26 (Call 07/06/26)		735		676,736
2.75%, 03/05/22^a		250		247,940
2.75%, 03/01/23^a		157		155,215
2.75%, 04/30/25 (Call 01/30/25)		217		209,598


Security	Principal (000s)		Value
2.85%, 02/24/26 (Call 11/24/25)	$	475	$	455,397
3.00%, 08/25/21		800		804,984
3.00%, 10/15/27 (Call 07/15/27)		250		240,275
3.45%, 10/06/46 (Call 04/06/46)		565		513,286
3.60%, 03/01/24 (Call 12/01/23)		500		509,790
4.00%, 03/05/42		228		229,867
4.00%, 05/02/47 (Call 11/02/46)^a		520		522,517
4.25%, 10/22/44 (Call 04/22/44)		160		166,853
4.45%, 04/14/46 (Call 10/14/45)		470		504,409
4.50%, 01/15/20		110		113,736
4.60%, 07/17/45 (Call 01/17/45)		221		241,321

				31,957,138
BIOTECHNOLOGY — 1.37%
Amgen Inc.
2.13%, 05/01/20 (Call 04/01/20)		400		393,792
2.20%, 05/22/19 (Call 04/22/19)		500		497,530
2.25%, 08/19/23 (Call 06/19/23)		110		103,898
2.60%, 08/19/26 (Call 05/19/26)		455		416,607
2.65%, 05/11/22 (Call 04/11/22)		350		341,967
3.13%, 05/01/25 (Call 02/01/25)		60		58,091
3.45%, 10/01/20		550		557,694
3.63%, 05/22/24 (Call 02/22/24)		450		452,862
3.88%, 11/15/21 (Call 08/15/21)		377		386,014
4.10%, 06/15/21 (Call 03/15/21)		507		522,676
4.40%, 05/01/45 (Call 11/01/44)		536		531,921


Security	Principal (000s)		Value
4.56%, 06/15/48 (Call 12/15/47)	$	348	$	350,008
4.66%, 06/15/51 (Call 12/15/50)		1,421		1,441,946
Baxalta Inc.
2.88%, 06/23/20 (Call 05/23/20)		100		99,420
4.00%, 06/23/25 (Call 03/23/25)		160		159,418
5.25%, 06/23/45 (Call 12/23/44)		440		476,076
Bio-Rad Laboratories Inc.
4.88%, 12/15/20		30		31,294
Biogen Inc.
2.90%, 09/15/20		780		779,158
4.05%, 09/15/25 (Call 06/15/25)^a		532		543,731
5.20%, 09/15/45 (Call 03/15/45)		402		437,292
Celgene Corp.
2.25%, 08/15/21		60		58,256
2.88%, 08/15/20		350		349,167
2.88%, 02/19/21		250		248,755
3.25%, 08/15/22		466		463,595
3.25%, 02/20/23 (Call 01/20/23)		500		495,030
3.55%, 08/15/22		176		176,975
3.63%, 05/15/24 (Call 02/15/24)		209		207,817
3.88%, 08/15/25 (Call 05/15/25)		263		262,285
3.90%, 02/20/28 (Call 11/20/27)^a		250		245,875
3.95%, 10/15/20		200		204,750
4.55%, 02/20/48 (Call 08/20/47)		500		485,570
4.63%, 05/15/44 (Call 11/15/43)		325		322,003
5.00%, 08/15/45 (Call 02/15/45)		642		663,815
5.25%, 08/15/43		250		269,640


Security	Principal (000s)		Value
Gilead Sciences Inc.
1.95%, 03/01/22 (Call 02/01/22)	$	50	$	47,818
2.35%, 02/01/20		200		198,692
2.50%, 09/01/23 (Call 07/01/23)		178		170,732
2.55%, 09/01/20		1,095		1,087,510
2.95%, 03/01/27 (Call 12/01/26)^a		840		790,961
3.25%, 09/01/22 (Call 07/01/22)		130		130,408
3.50%, 02/01/25 (Call 11/01/24)		250		248,943
3.65%, 03/01/26 (Call 12/01/25)		650		649,837
3.70%, 04/01/24 (Call 01/01/24)		468		475,343
4.00%, 09/01/36 (Call 03/01/36)		150		148,241
4.15%, 03/01/47 (Call 09/01/46)^a		875		847,315
4.40%, 12/01/21 (Call 09/01/21)^a		380		397,427
4.50%, 04/01/21 (Call 01/01/21)^a		200		208,702
4.50%, 02/01/45 (Call 08/01/44)		598		608,321
4.60%, 09/01/35 (Call 03/01/35)		250		265,878
4.75%, 03/01/46 (Call 09/01/45)		515		544,000
4.80%, 04/01/44 (Call 10/01/43)		25		26,494
5.65%, 12/01/41 (Call 06/01/41)		242		285,362

				20,166,912
BUILDING MATERIALS — 0.25%
Johnson Controls International PLC
3.63%, 07/02/24 (Call 04/02/24)^f		75		75,887
3.75%, 12/01/21 (Call 09/01/21)		182		185,889


Security	Principal (000s)		Value
3.90%, 02/14/26 (Call 11/14/25)	$	300	$	303,891
4.25%, 03/01/21		80		82,634
4.50%, 02/15/47 (Call 08/15/46)^a		320		331,117
4.95%, 07/02/64 (Call 01/02/64)^f		80		83,559
5.00%, 03/30/20^a		92		96,042
Lafarge SA
7.13%, 07/15/36		70		88,820
Martin Marietta Materials Inc.
3.50%, 12/15/27 (Call 09/15/27)		250		240,093
4.25%, 12/15/47 (Call 06/15/47)		100		92,882
Masco Corp.
4.45%, 04/01/25 (Call 01/01/25)		425		439,250
4.50%, 05/15/47 (Call 11/15/46)		200		192,972
Owens Corning
3.40%, 08/15/26 (Call 05/15/26)		270		257,818
4.20%, 12/15/22 (Call 09/15/22)		352		361,427
4.30%, 07/15/47 (Call 01/15/47)		300		276,015
Vulcan Materials Co.
4.50%, 04/01/25 (Call 01/01/25)		400		414,772
4.50%, 06/15/47 (Call 12/15/46)		250		241,067

				3,764,135
CHEMICALS — 1.42%
Agrium Inc.
3.15%, 10/01/22 (Call 07/01/22)		311		309,821
3.38%, 03/15/25 (Call 12/15/24)		131		127,586
3.50%, 06/01/23 (Call 03/01/23)		180		180,333
4.13%, 03/15/35 (Call 09/15/34)		45		43,778


Security	Principal (000s)		Value
4.90%, 06/01/43 (Call 12/01/42)	$	25	$	26,188
5.25%, 01/15/45 (Call 07/15/44)^a		300		326,130
Air Products & Chemicals Inc.
3.00%, 11/03/21^a		200		200,112
4.38%, 08/21/19		150		153,900
Airgas Inc.
3.65%, 07/15/24 (Call 04/15/24)		180		183,281
Braskem Finance Ltd.
6.45%, 02/03/24		200		219,502
Cabot Corp.
3.70%, 07/15/22		50		50,459
Dow Chemical Co. (The)
3.00%, 11/15/22 (Call 08/15/22)		505		497,970
3.50%, 10/01/24 (Call 07/01/24)		96		95,568
4.13%, 11/15/21 (Call 08/15/21)		670		692,793
4.25%, 10/01/34 (Call 04/01/34)^a		550		553,636
4.38%, 11/15/42 (Call 05/15/42)		560		559,541
5.25%, 11/15/41 (Call 05/15/41)		230		254,136
8.55%, 05/15/19		552		589,431
9.40%, 05/15/39		170		275,050
Eastman Chemical Co.
2.70%, 01/15/20 (Call 12/15/19)		455		454,318
3.60%, 08/15/22 (Call 05/15/22)		104		105,283
3.80%, 03/15/25 (Call 12/15/24)		391		397,393
4.65%, 10/15/44 (Call 04/15/44)		100		103,402
EI du Pont de Nemours & Co.
2.80%, 02/15/23		527		517,430
3.63%, 01/15/21		286		291,691
4.15%, 02/15/43^a		449		442,543
4.63%, 01/15/20		300		311,085


Security	Principal (000s)		Value
FMC Corp.
3.95%, 02/01/22 (Call 11/01/21)^a	$	410	$	417,745
International Flavors & Fragrances Inc.
4.38%, 06/01/47 (Call 12/01/46)		485		482,725
Lubrizol Corp. (The)
6.50%, 10/01/34		25		32,197
LYB International Finance BV
4.00%, 07/15/23^a		5		5,112
4.88%, 03/15/44 (Call 09/15/43)		565		593,866
5.25%, 07/15/43		330		363,109
LYB International Finance II BV
3.50%, 03/02/27 (Call 12/02/26)^a		283		275,243
LyondellBasell Industries NV
4.63%, 02/26/55 (Call 08/26/54)		270		264,821
5.00%, 04/15/19 (Call 01/15/19)		296		301,630
5.75%, 04/15/24 (Call 01/15/24)		300		332,328
6.00%, 11/15/21 (Call 08/17/21)		200		217,382
Methanex Corp.
4.25%, 12/01/24 (Call 09/01/24)		300		299,028
Monsanto Co.
2.13%, 07/15/19		260		257,855
2.85%, 04/15/25 (Call 01/15/25)		350		331,804
3.38%, 07/15/24 (Call 04/15/24)		472		468,295
3.95%, 04/15/45 (Call 10/15/44)		250		233,090
4.20%, 07/15/34 (Call 01/15/34)		102		101,541
4.40%, 07/15/44 (Call 01/15/44)^a		431		425,332
Mosaic Co. (The)
3.25%, 11/15/22 (Call 10/15/22)		100		98,284


Security	Principal (000s)		Value
3.75%, 11/15/21 (Call 08/15/21)	$	360	$	363,344
4.25%, 11/15/23 (Call 08/15/23)^a		401		412,441
5.63%, 11/15/43 (Call 05/15/43)		225		235,235
Potash Corp. of Saskatchewan Inc.
3.00%, 04/01/25 (Call 01/01/25)^a		154		146,259
5.63%, 12/01/40		251		286,911
6.50%, 05/15/19		160		166,598
PPG Industries Inc.
3.60%, 11/15/20		100		102,001
Praxair Inc.
2.20%, 08/15/22 (Call 05/15/22)^a		400		386,956
2.45%, 02/15/22 (Call 11/15/21)^a		92		90,256
2.65%, 02/05/25 (Call 11/05/24)		140		134,606
3.00%, 09/01/21		100		100,359
3.20%, 01/30/26 (Call 10/30/25)		400		397,624
4.05%, 03/15/21		52		53,787
Rohm & Haas Co.
7.85%, 07/15/29		400		536,380
RPM International Inc.
3.45%, 11/15/22 (Call 08/15/22)		200		200,128
4.25%, 01/15/48 (Call 07/15/47)		100		92,751
Sherwin-Williams Co. (The)
2.25%, 05/15/20		445		438,708
2.75%, 06/01/22 (Call 05/01/22)		374		364,979
3.45%, 06/01/27 (Call 03/01/27)^a		448		431,357
3.95%, 01/15/26 (Call 10/15/25)		75		75,766
4.00%, 12/15/42 (Call 06/15/42)		100		93,648
4.20%, 01/15/22 (Call 10/15/21)		155		159,435


Security	Principal (000s)		Value
4.50%, 06/01/47 (Call 12/01/46)	$	545	$	544,989
Syngenta Finance NV
3.13%, 03/28/22^a		465		448,534
Westlake Chemical Corp.
3.60%, 08/15/26 (Call 05/15/26)		672		654,662
4.38%, 11/15/47 (Call 05/15/47)		60		57,581
4.88%, 05/15/23 (Call 05/15/18)		500		511,740
5.00%, 08/15/46 (Call 02/15/46)		50		52,573

				21,003,355
COMMERCIAL SERVICES — 0.51%
Automatic Data Processing Inc.
3.38%, 09/15/25 (Call 06/15/25)		357		358,407
Block Financial LLC
4.13%, 10/01/20 (Call 09/01/20)		425		433,644
5.25%, 10/01/25 (Call 07/01/25)^a		175		182,606
Board of Trustees of The Leland Stanford Junior University (The)
4.75%, 05/01/19		159		162,813
Ecolab Inc.
2.38%, 08/10/22 (Call 07/10/22)		330		318,869
2.70%, 11/01/26 (Call 08/01/26)		8		7,474
3.25%, 12/01/27 (Call 09/01/27)^b		100		96,136
3.95%, 12/01/47 (Call 06/01/47)^b		421		402,817
4.35%, 12/08/21^a		268		279,950
5.50%, 12/08/41		34		40,159
Equifax Inc.
3.30%, 12/15/22 (Call 09/15/22)		230		228,130
Johns Hopkins University
Series 2013
4.08%, 07/01/53		150		149,517


Security	Principal (000s)		Value
Massachusetts Institute of Technology
4.68%, 07/01/14	$	180	$	192,184
5.60%, 07/01/11		80		99,810
Moody’s Corp.
2.63%, 01/15/23 (Call 12/15/22)^b		350		338,286
2.75%, 07/15/19 (Call 06/15/19)^a		300		300,066
3.25%, 01/15/28 (Call 10/15/27)^a,b		450		430,137
4.88%, 02/15/24 (Call 11/15/23)		430		458,840
5.50%, 09/01/20		100		105,802
President and Fellows of Harvard College
3.15%, 07/15/46 (Call 01/15/46)		425		383,992
Princeton University
Series A
4.95%, 03/01/19		250		255,415
S&P Global Inc.
2.95%, 01/22/27 (Call 10/22/26)		425		401,956
4.00%, 06/15/25 (Call 03/15/25)		480		491,347
4.40%, 02/15/26 (Call 11/15/25)		159		168,303
Total System Services Inc.
3.75%, 06/01/23 (Call 03/01/23)		98		98,029
4.80%, 04/01/26 (Call 01/01/26)		306		321,018
University of Notre Dame du Lac
Series 2017
3.39%, 02/15/48 (Call 08/15/47)		125		116,233
University of Southern California
3.03%, 10/01/39		200		179,122
Verisk Analytics Inc.
4.13%, 09/12/22		350		360,119
Western Union Co. (The)
5.25%, 04/01/20		110		114,571


Security	Principal (000s)		Value
6.20%, 11/17/36^a	$	100	$	105,020

				7,580,772
COMPUTERS — 2.45%
Apple Inc.
1.55%, 02/07/20		575		564,667
1.55%, 08/04/21 (Call 07/04/21)		95		91,008
1.80%, 11/13/19		300		296,619
1.80%, 05/11/20		250		245,858
1.90%, 02/07/20		500		494,345
2.00%, 05/06/20		1,035		1,022,756
2.10%, 05/06/19		375		373,650
2.10%, 09/12/22 (Call 08/12/22)		460		442,538
2.15%, 02/09/22		152		147,668
2.25%, 02/23/21 (Call 01/23/21)		715		703,989
2.30%, 05/11/22 (Call 04/11/22)		250		243,385
2.40%, 01/13/23 (Call 12/13/22)		120		116,371
2.40%, 05/03/23		356		344,259
2.45%, 08/04/26 (Call 05/04/26)^a		500		462,600
2.50%, 02/09/22 (Call 01/09/22)		760		747,863
2.50%, 02/09/25		649		614,220
2.70%, 05/13/22		190		188,377
2.85%, 05/06/21		988		989,245
2.85%, 02/23/23 (Call 12/23/22)^a		390		385,609
2.85%, 05/11/24 (Call 03/11/24)		850		827,781
2.90%, 09/12/27 (Call 06/12/27)		30		28,377
3.00%, 02/09/24 (Call 12/09/23)		395		389,829
3.00%, 11/13/27 (Call 08/13/27)		500		478,015
3.20%, 05/13/25		1,050		1,039,321
3.20%, 05/11/27 (Call 02/11/27)		530		516,215


Security	Principal (000s)		Value
3.25%, 02/23/26 (Call 11/23/25)	$	546	$	537,876
3.35%, 02/09/27 (Call 11/09/26)		347		342,076
3.45%, 05/06/24		775		780,564
3.45%, 02/09/45^a		737		672,402
3.75%, 09/12/47 (Call 03/12/47)^a		50		47,659
3.75%, 11/13/47 (Call 05/13/47)		300		285,801
3.85%, 05/04/43		646		630,406
3.85%, 08/04/46 (Call 02/04/46)		350		339,122
4.25%, 02/09/47 (Call 08/09/46)		270		278,289
4.38%, 05/13/45		575		602,652
4.45%, 05/06/44		1,300		1,381,692
4.65%, 02/23/46 (Call 08/23/45)		510		556,476
Dell International LLC/EMC Corp.
3.48%, 06/01/19^b		745		749,798
4.42%, 06/15/21 (Call 05/15/21)^a,b		1,250		1,276,012
5.45%, 06/15/23 (Call 04/15/23)^b		990		1,043,717
6.02%, 06/15/26 (Call 03/15/26)^b		725		774,278
8.10%, 07/15/36 (Call 01/15/36)^b		590		723,741
8.35%, 07/15/46 (Call 01/15/46)^b		500		632,495
DXC Technology Co.
4.75%, 04/15/27 (Call 01/15/27)		240		248,026
7.45%, 10/15/29		50		59,916
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)		1,020		1,031,118
4.90%, 10/15/25 (Call 07/15/25)^a		800		826,784
6.20%, 10/15/35 (Call 04/15/35)		575		616,532
6.35%, 10/15/45 (Call 04/15/45)^a		335		352,933


Security	Principal (000s)		Value
HP Inc.
4.05%, 09/15/22^a	$	100	$	102,761
4.30%, 06/01/21		187		193,481
4.38%, 09/15/21		805		835,485
4.65%, 12/09/21		476		498,543
6.00%, 09/15/41^a		307		324,582
IBM Credit LLC
2.20%, 09/08/22		150		144,293
2.65%, 02/05/21		250		248,420
3.00%, 02/06/23		250		247,630
International Business Machines Corp.
1.63%, 05/15/20		250		244,490
1.88%, 05/15/19		300		298,143
1.88%, 08/01/22		470		446,340
2.25%, 02/19/21		200		196,778
2.50%, 01/27/22^a		765		752,079
2.90%, 11/01/21^a		200		199,598
3.30%, 01/27/27^a		300		296,283
3.38%, 08/01/23		120		120,959
3.45%, 02/19/26^a		540		540,886
3.63%, 02/12/24		555		564,851
4.00%, 06/20/42		491		494,000
4.70%, 02/19/46^a		250		281,793
5.60%, 11/30/39		117		144,727
6.22%, 08/01/27		100		121,246
6.50%, 01/15/28		150		185,091
7.00%, 10/30/25		250		310,528
8.38%, 11/01/19		200		218,600
NetApp Inc.
3.30%, 09/29/24 (Call 07/29/24)		525		512,048
Seagate HDD Cayman
4.75%, 06/01/23^a		290		291,871
4.75%, 01/01/25^a		170		164,682
4.88%, 03/01/24 (Call 01/01/24)^b		180		179,878
4.88%, 06/01/27 (Call 03/01/27)^a		275		262,600
5.75%, 12/01/34 (Call 06/01/34)^a		235		222,970

				36,190,566


Security	Principal (000s)		Value
COSMETICS & PERSONAL CARE — 0.37%
Colgate-Palmolive Co.
1.75%, 03/15/19	$	250	$	248,278
2.30%, 05/03/22		360		352,022
2.45%, 11/15/21^a		30		29,706
3.25%, 03/15/24^a		315		317,520
3.70%, 08/01/47 (Call 02/01/47)^a		140		132,980
Estee Lauder Companies Inc. (The)
1.80%, 02/07/20		50		49,204
3.15%, 03/15/27 (Call 12/15/26)		145		141,040
Procter & Gamble Co. (The)
1.90%, 11/01/19		410		406,658
2.30%, 02/06/22		316		309,573
2.45%, 11/03/26		6		5,566
2.70%, 02/02/26		432		412,309
3.10%, 08/15/23^a		107		107,300
3.50%, 10/25/47		300		281,616
5.50%, 02/01/34		250		305,357
5.55%, 03/05/37^a		234		293,586
Unilever Capital Corp.
1.38%, 07/28/21		285		271,502
1.80%, 05/05/20		190		186,734
2.60%, 05/05/24 (Call 03/05/24)		200		192,946
2.90%, 05/05/27 (Call 02/05/27)		200		190,470
3.10%, 07/30/25		100		98,354
4.25%, 02/10/21		700		727,636
5.90%, 11/15/32		267		335,320

				5,395,677
DISTRIBUTION & WHOLESALE — 0.02%
WW Grainger Inc.
3.75%, 05/15/46 (Call 11/15/45)		25		23,198
4.60%, 06/15/45 (Call 12/15/44)		240		255,079

				278,277


Security	Principal (000s)		Value
DIVERSIFIED FINANCIAL SERVICES — 2.61%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
3.95%, 02/01/22 (Call 01/01/22)	$	1,000	$	1,010,060
4.50%, 05/15/21		1,340		1,379,972
4.63%, 10/30/20		150		155,100
5.00%, 10/01/21		425		445,234
Affiliated Managers Group Inc.
4.25%, 02/15/24		250		257,147
Air Lease Corp.
2.75%, 01/15/23 (Call 12/15/22)^a		11		10,632
3.00%, 09/15/23 (Call 07/15/23)		460		445,630
3.63%, 04/01/27 (Call 01/01/27)		50		47,715
3.63%, 12/01/27 (Call 09/01/27)		400		382,508
3.75%, 02/01/22 (Call 12/01/21)^a		205		207,866
3.88%, 04/01/21 (Call 03/01/21)		595		606,168
American Express Co.
2.20%, 10/30/20 (Call 09/29/20)		147		144,025
2.50%, 08/01/22 (Call 07/01/22)		356		344,248
2.65%, 12/02/22		475		461,762
3.00%, 10/30/24 (Call 09/29/24)		507		488,408
3.63%, 12/05/24 (Call 11/04/24)		1,150		1,150,184
4.05%, 12/03/42		277		274,715
American Express Credit Corp.
1.88%, 05/03/19 (Call 04/03/19)		350		347,077
2.20%, 03/03/20 (Call 02/01/20)		275		271,444
2.25%, 05/05/21 (Call 04/04/21)		370		360,994
2.38%, 05/26/20 (Call 04/25/20)		670		662,503


Security	Principal (000s)		Value
2.70%, 03/03/22 (Call 01/31/22)^a	$	249	$	244,152
3.30%, 05/03/27 (Call 04/03/27)		470		455,651
Series F
2.60%, 09/14/20 (Call 08/14/20)		395		391,378
Ameriprise Financial Inc.
3.70%, 10/15/24		382		387,195
4.00%, 10/15/23		292		301,849
5.30%, 03/15/20		5		5,246
Brookfield Finance Inc.
4.25%, 06/02/26 (Call 03/02/26)		100		100,364
4.70%, 09/20/47 (Call 03/20/47)		175		170,137
Capital One Bank USA N.A.
2.30%, 06/05/19 (Call 05/05/19)		250		248,273
Cboe Global Markets Inc.
3.65%, 01/12/27 (Call 10/12/26)		450		443,565
Charles Schwab Corp. (The)
3.00%, 03/10/25 (Call 12/10/24)		156		151,654
3.20%, 03/02/27 (Call 12/02/26)^a		200		194,668
3.45%, 02/13/26 (Call 11/13/25)		140		139,374
CME Group Inc.
3.00%, 09/15/22		652		649,705
3.00%, 03/15/25 (Call 12/15/24)		290		283,243
5.30%, 09/15/43 (Call 03/15/43)		314		382,188
Credit Suisse USA Inc.
7.13%, 07/15/32^a		430		572,730
Discover Financial Services
3.75%, 03/04/25 (Call 12/04/24)		215		210,448
3.95%, 11/06/24 (Call 08/06/24)		460		459,595
4.10%, 02/09/27 (Call 11/09/26)		462		456,091


Security	Principal (000s)		Value
5.20%, 04/27/22	$	160	$	168,771
E*TRADE Financial Corp.
3.80%, 08/24/27 (Call 05/24/27)		77		74,622
Eaton Vance Corp.
3.50%, 04/06/27 (Call 01/06/27)		355		350,499
Franklin Resources Inc.
2.80%, 09/15/22^a		62		60,824
2.85%, 03/30/25		170		164,448
GE Capital International Funding Co. Unlimited Co.
2.34%, 11/15/20		1,145		1,120,119
3.37%, 11/15/25		500		481,240
4.42%, 11/15/35		2,085		2,046,240
Genpact Luxembourg Sarl
3.70%, 04/01/22 (Call 03/01/22)^b		285		279,579
Intercontinental Exchange Inc.
2.75%, 12/01/20 (Call 11/01/20)		405		403,283
3.10%, 09/15/27 (Call 06/15/27)		100		95,922
3.75%, 12/01/25 (Call 09/01/25)		527		535,690
4.00%, 10/15/23		330		341,755
International Lease Finance Corp.
6.25%, 05/15/19		890		922,565
8.25%, 12/15/20		45		50,635
8.63%, 01/15/22		50		58,974
Invesco Finance PLC
3.75%, 01/15/26		25		25,067
4.00%, 01/30/24		270		279,026
Janus Capital Group Inc.
4.88%, 08/01/25 (Call 05/01/25)		380		396,245
Jefferies Group LLC
6.25%, 01/15/36^a		25		27,574
6.45%, 06/08/27		225		254,513
6.50%, 01/20/43		230		257,938
6.88%, 04/15/21		100		110,029
8.50%, 07/15/19		180		193,041


Security	Principal (000s)		Value
Lazard Group LLC
3.75%, 02/13/25	$	270	$	268,018
Legg Mason Inc.
5.63%, 01/15/44		300		320,925
Mastercard Inc.
2.00%, 11/21/21 (Call 10/21/21)		200		194,104
2.95%, 11/21/26 (Call 08/21/26)^a		350		336,350
3.38%, 04/01/24		390		390,550
3.80%, 11/21/46 (Call 05/21/46)		350		343,238
Nasdaq Inc.
3.85%, 06/30/26 (Call 03/30/26)		125		123,881
4.25%, 06/01/24 (Call 03/01/24)^a		300		308,130
5.55%, 01/15/20		350		366,289
National Rural Utilities Cooperative Finance Corp.
1.50%, 11/01/19		35		34,346
2.30%, 11/15/19 (Call 10/15/19)		300		297,933
2.40%, 04/25/22 (Call 03/25/22)		320		310,842
3.05%, 02/15/22 (Call 11/15/21)		305		304,295
3.05%, 04/25/27 (Call 01/25/27)^a		555		533,694
3.25%, 11/01/25 (Call 08/01/25)		20		19,725
3.40%, 02/07/28 (Call 11/07/27)		250		245,853
Series C
8.00%, 03/01/32		200		281,336
Nomura Holdings Inc.
2.75%, 03/19/19^a		356		356,093
6.70%, 03/04/20^a		24		25,701
ORIX Corp.
3.25%, 12/04/24		275		267,069
3.70%, 07/18/27		150		146,276
Raymond James Financial Inc.
3.63%, 09/15/26		150		146,483


Security	Principal (000s)		Value
4.95%, 07/15/46^a	$	400	$	432,096
Stifel Financial Corp.
4.25%, 07/18/24		235		236,349
Synchrony Financial
3.00%, 08/15/19 (Call 07/15/19)		1,220		1,220,598
3.75%, 08/15/21 (Call 06/15/21)^a		120		121,553
4.25%, 08/15/24 (Call 05/15/24)		818		824,168
4.50%, 07/23/25 (Call 04/24/25)		110		111,780
TD Ameritrade Holding Corp.
2.95%, 04/01/22 (Call 02/01/22)		370		367,573
5.60%, 12/01/19		250		261,972
Visa Inc.
2.15%, 09/15/22 (Call 08/15/22)		325		312,890
2.20%, 12/14/20 (Call 11/14/20)		895		883,660
2.75%, 09/15/27 (Call 06/15/27)		225		211,844
2.80%, 12/14/22 (Call 10/14/22)^a		715		705,662
3.15%, 12/14/25 (Call 09/14/25)		1,135		1,114,059
3.65%, 09/15/47 (Call 03/15/47)^a		250		238,985
4.15%, 12/14/35 (Call 06/14/35)^a		435		458,333
4.30%, 12/14/45 (Call 06/14/45)		905		959,191

				38,481,341
ELECTRIC — 5.08%
AEP Texas Inc.
2.40%, 10/01/22 (Call 09/01/22)		125		120,509
3.80%, 10/01/47 (Call 04/01/47)		125		119,859
AEP Transmission Co. LLC
3.10%, 12/01/26 (Call 09/01/26)		380		367,088


Security	Principal (000s)		Value
3.75%, 12/01/47 (Call 06/01/47)^a,b	$	50	$	48,079
4.00%, 12/01/46 (Call 06/01/46)		350		351,330
Alabama Power Co.
3.75%, 03/01/45 (Call 09/01/44)		200		193,530
4.15%, 08/15/44 (Call 02/15/44)		290		296,615
4.30%, 01/02/46 (Call 07/02/45)^a		100		104,884
6.00%, 03/01/39		35		43,835
Series B
3.70%, 12/01/47 (Call 06/01/47)		20		19,115
Ameren Corp.
2.70%, 11/15/20 (Call 10/15/20)		127		126,319
3.65%, 02/15/26 (Call 11/15/25)		100		99,178
Ameren Illinois Co.
3.25%, 03/01/25 (Call 12/01/24)		200		197,654
3.70%, 12/01/47 (Call 06/01/47)		60		57,808
4.15%, 03/15/46 (Call 09/15/45)		250		258,360
American Electric Power Co. Inc.
2.15%, 11/13/20		170		166,835
2.95%, 12/15/22 (Call 09/15/22)		20		19,776
Appalachian Power Co.
4.40%, 05/15/44 (Call 11/15/43)		205		214,164
7.00%, 04/01/38^a		100		136,744
Arizona Public Service Co.
2.95%, 09/15/27 (Call 06/15/27)		50		47,319
3.75%, 05/15/46 (Call 11/15/45)		125		120,094
4.50%, 04/01/42 (Call 10/01/41)		250		267,445


Security	Principal (000s)		Value
Berkshire Hathaway Energy Co.
2.38%, 01/15/21^b	$	125	$	123,423
2.40%, 02/01/20 (Call 01/01/20)		350		348,071
2.80%, 01/15/23 (Call 12/15/22)^b		400		391,580
3.50%, 02/01/25 (Call 11/01/24)		250		251,005
3.75%, 11/15/23 (Call 08/15/23)		30		30,704
4.50%, 02/01/45 (Call 08/01/44)^a		620		650,461
5.15%, 11/15/43 (Call 05/15/43)		176		203,574
6.13%, 04/01/36		323		411,295
Black Hills Corp.
3.95%, 01/15/26 (Call 07/15/25)		200		201,996
4.20%, 09/15/46 (Call 03/15/46)		100		98,207
4.25%, 11/30/23 (Call 08/30/23)		140		144,453
CenterPoint Energy Houston Electric LLC
3.55%, 08/01/42 (Call 02/01/42)		175		165,267
4.50%, 04/01/44 (Call 10/01/43)		300		327,801
Series Z
2.40%, 09/01/26 (Call 06/01/26)		50		45,994
Cleco Corporate Holdings LLC
3.74%, 05/01/26 (Call 02/01/26)		710		677,844
Cleveland Electric Illuminating Co. (The)
5.95%, 12/15/36		250		299,317
CMS Energy Corp.
8.75%, 06/15/19		40		42,837
Commonwealth Edison Co.
2.55%, 06/15/26 (Call 03/15/26)		50		46,770


Security	Principal (000s)		Value
2.95%, 08/15/27 (Call 05/15/27)	$	325	$	310,586
3.40%, 09/01/21 (Call 06/01/21)		450		455,926
3.65%, 06/15/46 (Call 12/15/45)		25		23,612
3.70%, 03/01/45 (Call 09/01/44)		200		191,052
3.75%, 08/15/47 (Call 02/15/47)		70		67,244
6.45%, 01/15/38		140		185,247
Connecticut Light & Power Co. (The)
2.50%, 01/15/23 (Call 10/15/22)		150		145,865
Consolidated Edison Co. of New York Inc.
5.50%, 12/01/39		5		6,038
6.30%, 08/15/37		208		269,630
3.13%, 11/15/27 (Call 08/15/27)^a		250		243,505
3.95%, 03/01/43 (Call 09/01/42)^a		730		725,197
4.45%, 03/15/44 (Call 09/15/43)		480		511,152
4.50%, 12/01/45 (Call 06/01/45)		100		107,799
4.63%, 12/01/54 (Call 06/01/54)		100		107,511
6.65%, 04/01/19		200		208,218
Series 08-B
6.75%, 04/01/38		250		343,810
Series 12-A
4.20%, 03/15/42		150		153,905
Series 2017
3.88%, 06/15/47 (Call 12/15/46)		40		39,192
Series C
4.00%, 11/15/57 (Call 05/15/57)^a		40		38,928
Consolidated Edison Inc.
2.00%, 05/15/21 (Call 04/15/21)		250		242,623


Security	Principal (000s)		Value
Consumers Energy Co.
3.38%, 08/15/23 (Call 05/15/23)	$	125	$	125,688
3.95%, 07/15/47 (Call 01/15/47)^a		255		257,604
6.13%, 03/15/19		1,050		1,086,508
6.70%, 09/15/19		300		317,550
Delmarva Power & Light Co.
3.50%, 11/15/23 (Call 08/15/23)		50		50,476
Dominion Energy Inc.
2.50%, 12/01/19 (Call 11/01/19)		280		277,777
2.58%, 07/01/20		130		128,393
3.63%, 12/01/24 (Call 09/01/24)		110		109,823
3.90%, 10/01/25 (Call 07/01/25)		330		332,904
4.45%, 03/15/21		225		233,777
4.70%, 12/01/44 (Call 06/01/44)^a		400		421,412
5.20%, 08/15/19		200		206,056
7.00%, 06/15/38		140		184,821
(3 mo. LIBOR US + 3.057%)
5.75%, 10/01/54 (Call 10/01/24)^a,c		200		213,270
Series B
2.75%, 09/15/22 (Call 06/15/22)		160		155,437
5.95%, 06/15/35		400		479,328
DTE Electric Co.
3.70%, 03/15/45 (Call 09/15/44)		430		415,165
3.80%, 03/15/27 (Call 12/15/26)		50		50,023
DTE Energy Co.
1.50%, 10/01/19		465		456,179
2.40%, 12/01/19 (Call 11/01/19)		195		193,463
2.85%, 10/01/26 (Call 07/01/26)		210		195,094
3.30%, 06/15/22 (Call 04/15/22)		220		219,377


Security	Principal (000s)		Value
Duke Energy Carolinas LLC
2.95%, 12/01/26 (Call 09/01/26)^a	$	370	$	354,763
3.05%, 03/15/23 (Call 02/15/23)		190		189,400
3.75%, 06/01/45 (Call 12/01/44)		380		366,202
3.90%, 06/15/21 (Call 03/15/21)		330		340,646
4.25%, 12/15/41 (Call 06/15/41)		160		167,392
5.30%, 02/15/40^a		10		11,904
6.05%, 04/15/38		182		233,253
6.10%, 06/01/37		66		82,913
Duke Energy Corp.
1.80%, 09/01/21 (Call 08/01/21)		455		435,649
2.65%, 09/01/26 (Call 06/01/26)		615		564,244
3.05%, 08/15/22 (Call 05/15/22)		575		570,406
3.15%, 08/15/27 (Call 05/15/27)		50		47,345
3.55%, 09/15/21 (Call 06/15/21)		550		558,134
3.75%, 04/15/24 (Call 01/15/24)		320		324,278
3.75%, 09/01/46 (Call 03/01/46)		280		254,822
3.95%, 08/15/47 (Call 02/15/47)^a		75		70,606
4.80%, 12/15/45 (Call 06/15/45)		100		108,248
Duke Energy Florida LLC
3.10%, 08/15/21 (Call 05/15/21)		100		100,763
3.20%, 01/15/27 (Call 10/15/26)		1,675		1,633,426
3.40%, 10/01/46 (Call 04/01/46)		80		72,234
3.85%, 11/15/42 (Call 05/15/42)		300		293,775
5.65%, 04/01/40		100		124,319


Security	Principal (000s)		Value
Duke Energy Indiana LLC
6.12%, 10/15/35	$	29	$	36,483
6.35%, 08/15/38		200		263,472
Series WWW
4.90%, 07/15/43 (Call 01/15/43)		50		56,774
Duke Energy Ohio Inc.
3.70%, 06/15/46 (Call 12/15/45)^a		300		286,815
Duke Energy Progress LLC
3.70%, 10/15/46 (Call 04/15/46)		1,075		1,027,302
4.10%, 03/15/43 (Call 09/15/42)		60		61,117
4.15%, 12/01/44 (Call 06/01/44)^a		220		225,368
Edison International
2.40%, 09/15/22 (Call 08/15/22)		325		312,286
El Paso Electric Co.
6.00%, 05/15/35		50		57,565
Emera U.S. Finance LP
2.70%, 06/15/21 (Call 05/15/21)		56		54,946
3.55%, 06/15/26 (Call 03/15/26)		535		514,435
4.75%, 06/15/46 (Call 12/15/45)		500		501,810
Entergy Arkansas Inc.
3.75%, 02/15/21 (Call 11/15/20)		390		398,412
Entergy Corp.
2.95%, 09/01/26 (Call 06/01/26)^a		1,280		1,203,686
Entergy Louisiana LLC
2.40%, 10/01/26 (Call 07/01/26)		100		91,533
4.95%, 01/15/45 (Call 01/15/25)		170		171,960
Eversource Energy
Series K
2.75%, 03/15/22 (Call 02/15/22)		150		147,725


Security	Principal (000s)		Value
Exelon Corp.
2.85%, 06/15/20 (Call 05/15/20)^a	$	170	$	169,055
3.40%, 04/15/26 (Call 01/15/26)		399		387,740
3.50%, 06/01/22 (Call 05/01/22)		370		369,737
3.95%, 06/15/25 (Call 03/15/25)		604		610,656
4.45%, 04/15/46 (Call 10/15/45)		760		774,083
5.10%, 06/15/45 (Call 12/15/44)		50		55,741
5.15%, 12/01/20 (Call 09/01/20)		280		293,306
Exelon Generation Co. LLC
3.40%, 03/15/22 (Call 02/15/22)^a		110		110,223
4.00%, 10/01/20 (Call 07/01/20)		175		178,754
5.20%, 10/01/19		200		207,086
5.60%, 06/15/42 (Call 12/15/41)		325		339,791
6.25%, 10/01/39		450		503,194
FirstEnergy Corp.
Series B
3.90%, 07/15/27 (Call 04/15/27)		355		350,928
4.25%, 03/15/23 (Call 12/15/22)		400		411,728
Series C
4.85%, 07/15/47 (Call 01/15/47)^a		460		482,439
Florida Power & Light Co.
3.70%, 12/01/47 (Call 06/01/47)		60		57,724
3.80%, 12/15/42 (Call 06/15/42)		250		245,127
4.05%, 10/01/44 (Call 04/01/44)		400		408,008
5.25%, 02/01/41 (Call 08/01/40)		200		238,572
5.65%, 02/01/37		200		244,902


Security	Principal (000s)		Value
5.69%, 03/01/40	$	45	$	56,230
5.95%, 02/01/38^a		185		235,531
5.96%, 04/01/39		115		147,765
Fortis Inc./Canada
3.06%, 10/04/26 (Call 07/04/26)		510		474,371
Georgia Power Co.
4.25%, 12/01/19		20		20,536
4.30%, 03/15/42		510		522,806
5.40%, 06/01/40		150		173,952
5.95%, 02/01/39		70		85,614
Series 10-C
4.75%, 09/01/40		25		26,830
Great Plains Energy Inc.
4.85%, 06/01/21 (Call 03/01/21)		50		52,083
Iberdrola International BV
6.75%, 07/15/36		200		251,164
Indiana Michigan Power Co.
7.00%, 03/15/19		180		187,790
Interstate Power & Light Co.
3.25%, 12/01/24 (Call 09/01/24)		90		89,325
6.25%, 07/15/39		100		127,102
ITC Holdings Corp.
2.70%, 11/15/22 (Call 10/15/22)^b		50		48,735
3.35%, 11/15/27 (Call 08/15/27)^b		250		240,353
5.30%, 07/01/43 (Call 01/01/43)		250		284,547
Kansas City Power & Light Co.
4.20%, 06/15/47 (Call 12/15/46)		360		360,288
5.30%, 10/01/41 (Call 04/01/41)		200		230,584
Kentucky Utilities Co.
5.13%, 11/01/40 (Call 05/01/40)		210		245,038
LG&E & KU Energy LLC
3.75%, 11/15/20 (Call 08/15/20)		32		32,588


Security	Principal (000s)		Value
Louisville Gas & Electric Co.
Series 25
3.30%, 10/01/25 (Call 07/01/25)	$	500	$	494,060
MidAmerican Energy Co.
2.40%, 03/15/19 (Call 02/15/19)		150		149,682
3.50%, 10/15/24 (Call 07/15/24)		70		71,231
3.65%, 08/01/48 (Call 02/01/48)		500		473,185
3.95%, 08/01/47 (Call 02/01/47)^a		300		300,963
4.25%, 05/01/46 (Call 11/01/45)		250		261,827
Nevada Power Co.
7.13%, 03/15/19		100		104,632
NextEra Energy Capital Holdings Inc.
2.40%, 09/15/19 (Call 08/15/19)		135		134,294
2.80%, 01/15/23 (Call 12/15/22)		185		181,833
3.55%, 05/01/27 (Call 02/01/27)		420		411,281
4.50%, 06/01/21 (Call 03/01/21)		100		103,933
4.80%, 12/01/77 (Call 12/01/27)^a		100		98,774
Northern States Power Co./MN
2.15%, 08/15/22 (Call 02/15/22)		20		19,266
3.60%, 09/15/47 (Call 03/15/47)^a		65		61,820
4.13%, 05/15/44 (Call 11/15/43)		325		333,570
NSTAR Electric Co.
2.38%, 10/15/22 (Call 07/15/22)		250		241,735
3.20%, 05/15/27 (Call 02/15/27)		45		43,747
5.50%, 03/15/40		125		150,635


Security	Principal (000s)		Value
Oglethorpe Power Corp.
5.25%, 09/01/50^a	$	226	$	241,938
5.38%, 11/01/40		95		106,605
Ohio Power Co.
Series M
5.38%, 10/01/21		120		129,774
Oncor Electric Delivery Co. LLC
2.95%, 04/01/25 (Call 01/01/25)		250		241,858
3.75%, 04/01/45 (Call 10/01/44)		50		47,979
3.80%, 09/30/47 (Call 03/30/47)^a,b		50		48,342
5.30%, 06/01/42 (Call 12/01/41)		400		475,792
7.00%, 09/01/22		170		196,258
7.50%, 09/01/38		66		95,112
Pacific Gas & Electric Co.
2.45%, 08/15/22 (Call 05/15/22)		200		192,324
3.30%, 12/01/27 (Call 09/01/27)^a,b		600		568,152
3.40%, 08/15/24 (Call 05/15/24)		155		153,072
3.50%, 10/01/20 (Call 07/01/20)^a		293		296,490
3.75%, 02/15/24 (Call 11/15/23)^a		225		226,901
4.00%, 12/01/46 (Call 06/01/46)^a		1,075		990,806
4.25%, 05/15/21 (Call 02/15/21)^a		90		92,778
4.25%, 03/15/46 (Call 09/15/45)		205		195,254
4.75%, 02/15/44 (Call 08/15/43)		300		304,962
5.40%, 01/15/40^a		25		27,804
5.80%, 03/01/37^a		50		57,875
6.05%, 03/01/34^a		755		883,924
6.25%, 03/01/39		350		426,258
PacifiCorp
2.95%, 02/01/22 (Call 11/01/21)		238		237,983


Security	Principal (000s)		Value
2.95%, 06/01/23 (Call 03/01/23)	$	50	$	49,595
3.60%, 04/01/24 (Call 01/01/24)		186		189,190
3.85%, 06/15/21 (Call 03/15/21)		230		236,544
4.10%, 02/01/42 (Call 08/01/41)		250		255,325
6.00%, 01/15/39		260		334,929
PECO Energy Co.
1.70%, 09/15/21 (Call 08/15/21)		300		287,412
3.15%, 10/15/25 (Call 07/15/25)		250		244,607
5.95%, 10/01/36		100		125,316
Portland General Electric Co.
6.10%, 04/15/19		100		103,715
Potomac Electric Power Co.
3.60%, 03/15/24 (Call 12/15/23)		165		167,932
4.15%, 03/15/43 (Call 09/15/42)		480		493,066
PPL Capital Funding Inc.
4.00%, 09/15/47 (Call 03/15/47)^a		125		118,756
4.20%, 06/15/22 (Call 03/15/22)		150		154,985
5.00%, 03/15/44 (Call 09/15/43)		54		59,119
PPL Electric Utilities Corp.
3.00%, 09/15/21 (Call 06/15/21)^a		150		150,315
4.15%, 10/01/45 (Call 04/01/45)^a		250		257,167
Progress Energy Inc.
3.15%, 04/01/22 (Call 01/01/22)		260		258,817
4.40%, 01/15/21 (Call 10/15/20)		45		46,552
7.75%, 03/01/31		225		306,027
PSEG Power LLC
3.00%, 06/15/21 (Call 05/15/21)		240		239,609


Security	Principal (000s)		Value
8.63%, 04/15/31^a	$	300	$	391,356
Public Service Co. of Colorado
2.25%, 09/15/22 (Call 03/15/22)		400		384,908
3.80%, 06/15/47 (Call 12/15/46)		250		243,512
4.30%, 03/15/44 (Call 09/15/43)		25		26,282
Public Service Co. of New Hampshire
3.50%, 11/01/23 (Call 08/01/23)		350		354,788
Public Service Electric & Gas Co.
1.90%, 03/15/21 (Call 02/15/21)		100		97,232
2.25%, 09/15/26 (Call 06/15/26)		340		310,070
2.38%, 05/15/23 (Call 02/15/23)^a		50		48,192
3.60%, 12/01/47 (Call 06/01/47)		90		85,058
5.50%, 03/01/40		110		134,096
5.80%, 05/01/37		200		246,324
Public Service Enterprise Group Inc.
1.60%, 11/15/19		110		107,763
2.65%, 11/15/22 (Call 10/15/22)^a		100		97,301
Puget Energy Inc.
3.65%, 05/15/25 (Call 02/15/25)		250		249,320
5.63%, 07/15/22 (Call 04/15/22)		330		357,786
Puget Sound Energy Inc.
5.76%, 10/01/39		130		159,955
5.80%, 03/15/40		300		374,874
San Diego Gas & Electric Co.
3.00%, 08/15/21^a		605		607,777
4.50%, 08/15/40^a		60		65,626
6.00%, 06/01/39		50		64,009
Sierra Pacific Power Co.
2.60%, 05/01/26 (Call 02/01/26)		100		93,598


Security	Principal (000s)		Value
South Carolina Electric & Gas Co.
4.35%, 02/01/42 (Call 08/01/41)	$	25	$	24,788
4.50%, 06/01/64 (Call 12/01/63)		300		283,893
4.60%, 06/15/43 (Call 12/15/42)^a		165		169,227
5.10%, 06/01/65 (Call 12/01/64)		440		459,936
6.05%, 01/15/38^a		125		149,165
Southern California Edison Co.
3.88%, 06/01/21 (Call 03/01/21)		184		189,238
4.00%, 04/01/47 (Call 10/01/46)		140		140,389
4.65%, 10/01/43 (Call 04/01/43)^a		150		163,739
5.50%, 03/15/40^a		140		170,927
5.63%, 02/01/36		200		239,070
5.75%, 04/01/35		160		193,930
6.00%, 01/15/34		62		76,355
Series 05-E
5.35%, 07/15/35		400		467,160
Series 06-E
5.55%, 01/15/37		180		215,314
Series 13-A
3.90%, 03/15/43 (Call 09/15/42)^a		325		320,713
Series C
3.60%, 02/01/45 (Call 08/01/44)		100		93,537
Southern Co. (The)
1.85%, 07/01/19		155		153,270
2.35%, 07/01/21 (Call 06/01/21)		475		461,795
2.75%, 06/15/20 (Call 05/15/20)^a		285		283,224
3.25%, 07/01/26 (Call 04/01/26)^a		1,575		1,499,620
4.25%, 07/01/36 (Call 01/01/36)		250		250,852
4.40%, 07/01/46 (Call 01/01/46)		1,375		1,378,341


Security	Principal (000s)		Value
Southern Power Co.
4.15%, 12/01/25 (Call 09/01/25)^a	$	800	$	822,560
5.15%, 09/15/41		100		107,970
Southwestern Electric Power Co.
3.90%, 04/01/45 (Call 10/01/44)		325		312,175
Series L
3.85%, 02/01/48 (Call 08/01/47)		100		95,570
Southwestern Public Service Co.
3.70%, 08/15/47 (Call 02/15/47)		545		519,848
Tampa Electric Co.
4.10%, 06/15/42 (Call 12/15/41)		55		53,325
Toledo Edison Co. (The)
6.15%, 05/15/37		244		302,375
UIL Holdings Corp.
4.63%, 10/01/20		100		103,564
Union Electric Co.
2.95%, 06/15/27 (Call 03/15/27)		75		71,987
3.50%, 04/15/24 (Call 01/15/24)		100		101,461
3.90%, 09/15/42 (Call 03/15/42)		300		298,113
Virginia Electric & Power Co.
2.95%, 01/15/22 (Call 10/15/21)		180		178,906
2.95%, 11/15/26 (Call 08/15/26)^a		500		476,845
3.10%, 05/15/25 (Call 02/15/25)		200		195,296
4.00%, 11/15/46 (Call 05/15/46)^a		135		134,491
4.45%, 02/15/44 (Call 08/15/43)^a		285		303,593
6.35%, 11/30/37		350		454,198
8.88%, 11/15/38		205		336,856
Series A
3.15%, 01/15/26 (Call 10/15/25)		130		126,702


Security	Principal (000s)		Value
3.50%, 03/15/27 (Call 12/15/26)	$	485	$	481,901
Series B
3.80%, 09/15/47 (Call 03/15/47)^a		50		48,266
6.00%, 01/15/36		30		37,239
Series D
4.65%, 08/15/43 (Call 02/15/43)		60		65,504
Westar Energy Inc.
4.10%, 04/01/43 (Call 10/01/42)^a		100		101,580
4.13%, 03/01/42 (Call 09/01/41)		50		50,697
4.25%, 12/01/45 (Call 06/01/45)		200		207,996
Wisconsin Electric Power Co.
2.95%, 09/15/21 (Call 06/15/21)		250		250,062
Wisconsin Power & Light Co.
3.05%, 10/15/27 (Call 07/15/27)		170		163,836
Wisconsin Public Service Corp.
4.75%, 11/01/44 (Call 05/01/44)		50		56,156
Xcel Energy Inc.
2.40%, 03/15/21 (Call 02/15/21)		515		506,405
3.30%, 06/01/25 (Call 12/01/24)		75		73,637
3.35%, 12/01/26 (Call 06/01/26)		400		391,708
4.70%, 05/15/20 (Call 11/15/19)		475		489,763
6.50%, 07/01/36		225		292,459

				75,023,782
ELECTRICAL COMPONENTS & EQUIPMENT — 0.05%
Emerson Electric Co.
2.63%, 02/15/23 (Call 11/15/22)		300		292,830
4.25%, 11/15/20		250		259,472


Security	Principal (000s)		Value
Hubbell Inc.
3.50%, 02/15/28 (Call 11/15/27)	$	165	$	161,060

				713,362
ELECTRONICS — 0.53%
Agilent Technologies Inc.
3.05%, 09/22/26 (Call 06/22/26)		100		93,171
3.20%, 10/01/22 (Call 07/01/22)		150		148,487
5.00%, 07/15/20		250		261,737
Allegion U.S. Holding Co. Inc.
3.20%, 10/01/24 (Call 08/01/24)		125		120,886
3.55%, 10/01/27 (Call 07/01/27)		100		96,004
Amphenol Corp.
3.20%, 04/01/24 (Call 02/01/24)		315		308,552
4.00%, 02/01/22 (Call 11/01/21)		400		410,036
Arrow Electronics Inc.
3.25%, 09/08/24 (Call 07/08/24)		270		258,787
4.00%, 04/01/25 (Call 01/01/25)		235		233,606
4.50%, 03/01/23 (Call 12/01/22)		100		103,018
Avnet Inc.
4.88%, 12/01/22		322		335,089
Corning Inc.
2.90%, 05/15/22 (Call 03/15/22)		35		34,569
4.38%, 11/15/57 (Call 05/15/57)		240		225,480
4.75%, 03/15/42		106		112,531
5.75%, 08/15/40		150		175,639
Flex Ltd.
4.63%, 02/15/20		205		210,896
4.75%, 06/15/25 (Call 03/15/25)		100		104,125


Security	Principal (000s)		Value
Fortive Corp.
3.15%, 06/15/26 (Call 03/15/26)^a	$	660	$	638,372
Honeywell International Inc.
1.85%, 11/01/21 (Call 10/01/21)^a		510		491,247
2.50%, 11/01/26 (Call 08/01/26)		1,403		1,296,737
4.25%, 03/01/21		462		482,536
Jabil Inc.
3.95%, 01/12/28 (Call 10/12/27)		50		48,000
4.70%, 09/15/22		100		103,520
5.63%, 12/15/20^a		100		106,094
Keysight Technologies Inc.
4.55%, 10/30/24 (Call 07/30/24)		150		155,438
4.60%, 04/06/27 (Call 01/06/27)		355		366,225
Koninklijke Philips NV
3.75%, 03/15/22		307		313,355
5.00%, 03/15/42		184		203,625
PerkinElmer Inc.
5.00%, 11/15/21 (Call 08/15/21)		130		136,167
Tyco Electronics Group SA
3.45%, 08/01/24 (Call 05/01/24)		25		25,215
3.50%, 02/03/22 (Call 11/03/21)^a		150		152,387

				7,751,531
ENGINEERING & CONSTRUCTION — 0.05%
ABB Finance USA Inc.
2.88%, 05/08/22		306		304,932
4.38%, 05/08/42		50		51,492
Fluor Corp.
3.38%, 09/15/21		250		252,293
3.50%, 12/15/24 (Call 09/15/24)		110		110,495

				719,212
ENVIRONMENTAL CONTROL — 0.18%
Republic Services Inc.
3.20%, 03/15/25 (Call 12/15/24)^a		204		199,188


Security	Principal (000s)		Value
3.38%, 11/15/27 (Call 08/15/27)	$	260	$	252,190
3.55%, 06/01/22 (Call 03/01/22)		206		208,113
4.75%, 05/15/23 (Call 02/15/23)		100		106,125
5.25%, 11/15/21		417		446,478
Waste Management Inc.
2.90%, 09/15/22 (Call 06/15/22)^a		200		198,032
3.13%, 03/01/25 (Call 12/01/24)		160		156,253
3.15%, 11/15/27 (Call 08/15/27)^a		426		406,378
3.90%, 03/01/35 (Call 09/01/34)		400		399,988
4.10%, 03/01/45 (Call 09/01/44)		357		355,079

				2,727,824
FOOD — 1.28%
Campbell Soup Co.
3.80%, 08/02/42		250		222,715
Conagra Brands Inc.
3.20%, 01/25/23 (Call 10/25/22)		390		387,325
7.00%, 10/01/28		100		120,306
Flowers Foods Inc.
4.38%, 04/01/22 (Call 01/01/22)		250		258,355
General Mills Inc.
3.15%, 12/15/21 (Call 09/15/21)		561		560,877
5.40%, 06/15/40		350		399,931
Hershey Co. (The)
2.30%, 08/15/26 (Call 05/15/26)^a		890		809,188
4.13%, 12/01/20		100		103,736
Ingredion Inc.
3.20%, 10/01/26 (Call 07/01/26)		350		333,221
4.63%, 11/01/20^a		275		285,538
JM Smucker Co. (The)
2.50%, 03/15/20		300		298,107


Security	Principal (000s)		Value
3.50%, 03/15/25	$	200	$	198,408
4.38%, 03/15/45		495		492,322
Kellogg Co.
3.25%, 04/01/26		300		286,617
3.40%, 11/15/27 (Call 08/15/27)		350		334,449
4.00%, 12/15/20		460		472,507
4.50%, 04/01/46		250		248,147
Series B
7.45%, 04/01/31		50		64,193
Kraft Heinz Foods Co.
2.80%, 07/02/20 (Call 06/02/20)		1,030		1,024,150
3.00%, 06/01/26 (Call 03/01/26)		485		446,404
3.50%, 06/06/22		670		670,777
3.50%, 07/15/22 (Call 05/15/22)		300		299,745
3.95%, 07/15/25 (Call 04/15/25)		540		534,503
4.38%, 06/01/46 (Call 12/01/45)		935		854,366
5.00%, 07/15/35 (Call 01/15/35)		375		390,172
5.00%, 06/04/42		285		283,518
5.20%, 07/15/45 (Call 01/15/45)		640		652,102
6.50%, 02/09/40		200		237,494
6.88%, 01/26/39		182		224,124
Kroger Co. (The)
2.60%, 02/01/21 (Call 01/01/21)		410		405,084
2.65%, 10/15/26 (Call 07/15/26)		57		51,460
2.95%, 11/01/21 (Call 10/01/21)		284		282,248
3.30%, 01/15/21 (Call 12/15/20)		400		402,692
3.40%, 04/15/22 (Call 01/15/22)		350		351,253
3.70%, 08/01/27 (Call 05/01/27)		100		96,896
3.85%, 08/01/23 (Call 05/01/23)		371		378,732


Security	Principal (000s)		Value
3.88%, 10/15/46 (Call 04/15/46)	$	25	$	21,601
4.45%, 02/01/47 (Call 08/01/46)		655		614,979
4.65%, 01/15/48 (Call 07/15/47)^a		50		48,317
5.00%, 04/15/42 (Call 10/15/41)		90		90,986
5.40%, 07/15/40 (Call 01/15/40)		100		105,978
6.90%, 04/15/38		100		124,352
7.50%, 04/01/31		185		233,607
McCormick & Co. Inc./MD
4.20%, 08/15/47 (Call 02/15/47)		75		74,241
Mondelez International Inc.
6.50%, 02/09/40		275		344,503
Sysco Corp.
1.90%, 04/01/19		200		198,514
2.50%, 07/15/21 (Call 06/15/21)^a		435		428,062
2.60%, 10/01/20 (Call 09/01/20)		450		446,787
3.30%, 07/15/26 (Call 04/15/26)		263		255,954
3.75%, 10/01/25 (Call 07/01/25)		425		429,654
Tyson Foods Inc.
2.25%, 08/23/21 (Call 07/23/21)		65		63,161
2.65%, 08/15/19 (Call 07/15/19)		200		199,520
3.55%, 06/02/27 (Call 03/02/27)		210		204,639
3.95%, 08/15/24 (Call 05/15/24)		200		203,406
4.50%, 06/15/22 (Call 03/15/22)		442		461,713
4.55%, 06/02/47 (Call 12/02/46)		610		618,680
4.88%, 08/15/34 (Call 02/15/34)		241		258,894

				18,889,210


Security	Principal (000s)		Value
FOREST PRODUCTS & PAPER — 0.22%
Celulosa Arauco y Constitucion SA
4.50%, 08/01/24 (Call 05/01/24)	$	200	$	206,394
Domtar Corp.
4.40%, 04/01/22 (Call 01/01/22)		152		157,249
Fibria Overseas Finance Ltd.
5.25%, 05/12/24		35		36,740
Georgia-Pacific LLC
7.75%, 11/15/29		250		340,792
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)		517		482,475
3.65%, 06/15/24 (Call 03/15/24)		425		428,663
3.80%, 01/15/26 (Call 10/15/25)		120		120,526
4.40%, 08/15/47 (Call 02/15/47)		260		255,559
4.80%, 06/15/44 (Call 12/15/43)		445		464,580
5.00%, 09/15/35 (Call 03/15/35)		204		221,601
6.00%, 11/15/41 (Call 05/15/41)		75		89,351
7.30%, 11/15/39		300		402,756

				3,206,686
GAS — 0.48%
Atmos Energy Corp.
3.00%, 06/15/27 (Call 03/15/27)		450		433,975
4.15%, 01/15/43 (Call 07/15/42)		172		174,823
5.50%, 06/15/41 (Call 12/15/40)		100		119,764
8.50%, 03/15/19		132		139,803
CenterPoint Energy Resources Corp.
4.10%, 09/01/47 (Call 03/01/47)		225		220,981
4.50%, 01/15/21 (Call 10/15/20)		331		341,926
5.85%, 01/15/41 (Call 07/15/40)^a		50		60,852


Security	Principal (000s)		Value
Dominion Energy Gas Holdings LLC
2.50%, 12/15/19 (Call 11/15/19)	$	260	$	258,469
2.80%, 11/15/20 (Call 10/15/20)^a		250		248,730
4.80%, 11/01/43 (Call 05/01/43)		200		210,822
KeySpan Corp.
5.80%, 04/01/35		175		206,600
National Fuel Gas Co.
3.75%, 03/01/23 (Call 12/01/22)		250		248,497
3.95%, 09/15/27 (Call 06/15/27)		50		47,881
4.90%, 12/01/21 (Call 09/01/21)		120		123,848
NiSource Inc.
3.49%, 05/15/27 (Call 02/15/27)		285		279,086
4.38%, 05/15/47 (Call 11/15/46)		250		254,327
4.80%, 02/15/44 (Call 08/15/43)		150		162,006
5.65%, 02/01/45 (Call 08/01/44)		455		544,266
ONE Gas Inc.
4.66%, 02/01/44 (Call 08/01/43)^a		100		109,034
Piedmont Natural Gas Co. Inc.
4.65%, 08/01/43 (Call 02/01/43)		200		213,322
Sempra Energy
2.40%, 02/01/20		115		113,994
2.40%, 03/15/20 (Call 02/15/20)		154		152,406
2.85%, 11/15/20 (Call 10/15/20)		100		99,868
2.90%, 02/01/23 (Call 01/01/23)		35		34,375
3.75%, 11/15/25 (Call 08/15/25)		188		188,006
3.80%, 02/01/38 (Call 08/01/37)		185		175,471
6.00%, 10/15/39		245		302,830


Security	Principal (000s)		Value
Southern California Gas Co.
2.60%, 06/15/26 (Call 03/15/26)	$	35	$	32,734
3.20%, 06/15/25 (Call 03/15/25)		1,325		1,305,589
Southern Co. Gas Capital Corp.
2.45%, 10/01/23 (Call 08/01/23)		145		137,039
3.50%, 09/15/21 (Call 06/15/21)		120		120,762
5.25%, 08/15/19		80		82,546

				7,144,632
HAND & MACHINE TOOLS — 0.04%
Kennametal Inc.
2.65%, 11/01/19 (Call 10/01/19)		352		349,874
Stanley Black & Decker Inc.
2.90%, 11/01/22		270		267,108
3.40%, 12/01/21 (Call 09/01/21)		22		22,291

				639,273
HEALTH CARE — PRODUCTS — 1.53%
Abbott Laboratories
2.00%, 03/15/20^a		255		250,851
2.35%, 11/22/19		1,075		1,068,410
2.55%, 03/15/22		50		48,769
2.80%, 09/15/20 (Call 08/15/20)		265		264,391
2.90%, 11/30/21 (Call 10/30/21)		140		138,846
3.40%, 11/30/23 (Call 09/30/23)		325		323,996
3.75%, 11/30/26 (Call 08/30/26)		950		940,937
4.13%, 05/27/20		200		205,392
4.75%, 11/30/36 (Call 05/30/36)		470		502,421
4.75%, 04/15/43 (Call 10/15/42)		332		352,411
4.90%, 11/30/46 (Call 05/30/46)^a		850		918,025
5.13%, 04/01/19		292		299,884
5.30%, 05/27/40		418		469,167


Security	Principal (000s)		Value
Baxter International Inc.
2.60%, 08/15/26 (Call 05/15/26)	$	299	$	273,923
3.50%, 08/15/46 (Call 02/15/46)		150		130,281
Becton Dickinson and Co.
2.40%, 06/05/20		300		295,122
2.68%, 12/15/19		480		477,874
2.89%, 06/06/22 (Call 05/06/22)^a		529		515,336
3.13%, 11/08/21		405		400,087
3.25%, 11/12/20		486		485,981
3.70%, 06/06/27 (Call 03/06/27)		618		592,396
3.73%, 12/15/24 (Call 09/15/24)^a		188		185,310
4.67%, 06/06/47 (Call 12/06/46)^a		540		538,337
4.69%, 12/15/44 (Call 06/15/44)		167		167,509
Boston Scientific Corp.
3.85%, 05/15/25		685		688,630
4.00%, 03/01/28 (Call 12/01/27)		100		99,711
6.00%, 01/15/20		520		549,006
Covidien International Finance SA
3.20%, 06/15/22 (Call 03/15/22)		170		170,418
Danaher Corp.
2.40%, 09/15/20 (Call 08/15/20)		250		248,325
3.35%, 09/15/25 (Call 06/15/25)^a		250		251,195
4.38%, 09/15/45 (Call 03/15/45)		150		159,227
Life Technologies Corp.
5.00%, 01/15/21 (Call 10/15/20)		150		157,118
6.00%, 03/01/20		200		211,736
Medtronic Global Holdings SCA
3.35%, 04/01/27 (Call 01/01/27)		170		167,824
Medtronic Inc.
2.50%, 03/15/20		125		124,306


Security	Principal (000s)		Value
3.15%, 03/15/22	$	1,040	$	1,041,716
3.50%, 03/15/25		425		424,562
3.63%, 03/15/24 (Call 12/15/23)		820		832,964
4.38%, 03/15/35		462		487,512
4.63%, 03/15/44 (Call 09/15/43)		487		530,124
4.63%, 03/15/45		1,335		1,449,703
5.55%, 03/15/40		140		167,693
5.60%, 03/15/19^a		300		308,652
Stryker Corp.
2.63%, 03/15/21 (Call 02/15/21)		250		247,108
3.38%, 11/01/25 (Call 08/01/25)		80		78,996
3.50%, 03/15/26 (Call 12/15/25)		420		418,837
4.10%, 04/01/43 (Call 10/01/42)		100		97,577
4.38%, 05/15/44 (Call 11/15/43)		275		277,505
4.63%, 03/15/46 (Call 09/15/45)		345		366,104
Thermo Fisher Scientific Inc.
2.95%, 09/19/26 (Call 06/19/26)		620		579,619
3.00%, 04/15/23 (Call 02/15/23)		460		451,384
3.15%, 01/15/23 (Call 10/15/22)		107		106,135
3.30%, 02/15/22		20		20,031
3.60%, 08/15/21 (Call 05/15/21)		160		162,491
4.10%, 08/15/47 (Call 02/15/47)^a		75		72,087
4.15%, 02/01/24 (Call 11/01/23)		306		315,388
4.50%, 03/01/21		400		417,000
5.30%, 02/01/44 (Call 08/01/43)^a		100		113,953
Zimmer Biomet Holdings Inc.
3.15%, 04/01/22 (Call 02/01/22)		200		196,984


Security	Principal (000s)		Value
3.38%, 11/30/21 (Call 08/30/21)	$	261	$	260,332
3.55%, 04/01/25 (Call 01/01/25)		415		403,098
5.75%, 11/30/39		100		112,315

				22,613,022
HEALTH CARE — SERVICES — 1.34%
Aetna Inc.
2.75%, 11/15/22 (Call 08/15/22)		282		273,689
2.80%, 06/15/23 (Call 04/15/23)		432		414,374
3.50%, 11/15/24 (Call 08/15/24)		268		263,026
4.13%, 06/01/21 (Call 03/01/21)		130		133,445
4.13%, 11/15/42 (Call 05/15/42)		381		357,302
Anthem Inc.
2.25%, 08/15/19		240		238,181
2.50%, 11/21/20		100		98,719
2.95%, 12/01/22 (Call 11/01/22)		196		192,088
3.13%, 05/15/22		50		49,649
3.30%, 01/15/23		635		630,860
3.35%, 12/01/24 (Call 10/01/24)		150		146,410
3.50%, 08/15/24 (Call 05/15/24)		503		497,890
3.65%, 12/01/27 (Call 09/01/27)		350		339,230
3.70%, 08/15/21 (Call 05/15/21)		282		286,591
4.10%, 03/01/28		185		185,305
4.35%, 08/15/20		350		361,732
4.38%, 12/01/47 (Call 06/01/47)^a		250		244,312
4.63%, 05/15/42		487		492,669
4.65%, 01/15/43		458		468,049
4.65%, 08/15/44 (Call 02/15/44)		40		40,863
Ascension Health
3.95%, 11/15/46		345		343,220


Security	Principal (000s)		Value
Catholic Health Initiatives
4.35%, 11/01/42^a	$	200	$	182,928
Children’s Hospital Corp. (The)
Series 2017
4.12%, 01/01/47 (Call 07/01/46)		200		201,854
Cigna Corp.
3.05%, 10/15/27 (Call 07/15/27)		770		712,342
3.25%, 04/15/25 (Call 01/15/25)		130		125,063
3.88%, 10/15/47 (Call 04/15/47)		240		213,322
4.50%, 03/15/21 (Call 12/15/20)		312		323,853
5.13%, 06/15/20		237		248,336
Duke University Health System Inc.
Series 2017
3.92%, 06/01/47 (Call 12/01/46)^a		104		103,459
Humana Inc.
2.90%, 12/15/22 (Call 11/15/22)		55		53,794
3.15%, 12/01/22 (Call 09/01/22)^a		248		245,818
4.63%, 12/01/42 (Call 06/01/42)		25		25,490
4.95%, 10/01/44 (Call 04/01/44)		701		742,247
Kaiser Foundation Hospitals
3.15%, 05/01/27 (Call 02/01/27)		250		242,260
3.50%, 04/01/22		150		152,179
4.15%, 05/01/47 (Call 11/01/46)		350		358,480
Laboratory Corp. of America Holdings
3.60%, 02/01/25 (Call 11/01/24)		512		504,207
3.60%, 09/01/27 (Call 06/01/27)^a		50		48,435
3.75%, 08/23/22 (Call 05/23/22)^a		225		228,751


Security	Principal (000s)		Value
4.70%, 02/01/45 (Call 08/01/44)	$	155	$	155,160
New York and Presbyterian Hospital (The)
4.06%, 08/01/56		350		341,575
Northwell Healthcare Inc.
4.26%, 11/01/47 (Call 11/01/46)		340		331,874
Quest Diagnostics Inc.
2.70%, 04/01/19		200		200,034
4.25%, 04/01/24 (Call 01/01/24)		100		103,460
4.70%, 04/01/21		200		209,416
4.70%, 03/30/45 (Call 09/30/44)		186		188,915
UnitedHealth Group Inc.
1.95%, 10/15/20		12		11,750
2.13%, 03/15/21		90		88,045
2.30%, 12/15/19		55		54,710
2.38%, 10/15/22		165		159,448
2.75%, 02/15/23 (Call 11/15/22)		400		392,164
2.88%, 12/15/21		50		49,795
2.88%, 03/15/22 (Call 12/15/21)		515		511,792
2.88%, 03/15/23		259		254,822
2.95%, 10/15/27		250		237,230
3.10%, 03/15/26		425		411,710
3.35%, 07/15/22		401		404,757
3.38%, 04/15/27^a		200		196,896
3.45%, 01/15/27		205		202,981
3.75%, 07/15/25^a		925		937,931
3.75%, 10/15/47 (Call 04/15/47)^a		175		164,302
4.25%, 03/15/43 (Call 09/15/42)		370		379,058
4.25%, 04/15/47 (Call 10/15/46)^a		305		314,001
4.38%, 03/15/42 (Call 09/15/41)		150		156,150
4.63%, 07/15/35		80		87,154
4.63%, 11/15/41 (Call 05/15/41)		250		267,952


Security	Principal (000s)		Value
4.70%, 02/15/21 (Call 11/15/20)^a	$	350	$	366,730
4.75%, 07/15/45^a		546		602,462
5.80%, 03/15/36		132		162,959
5.95%, 02/15/41 (Call 08/15/40)		300		379,584
6.50%, 06/15/37^a		100		132,512
6.88%, 02/15/38		350		479,185

				19,706,936
HOLDING COMPANIES — DIVERSIFIED — 0.09%
Ares Capital Corp.
3.63%, 01/19/22 (Call 12/19/21)		430		423,739
3.88%, 01/15/20 (Call 12/15/19)		250		252,393
FS Investment Corp.
4.25%, 01/15/20 (Call 12/15/19)		200		202,048
Leucadia National Corp.
5.50%, 10/18/23 (Call 01/18/23)		250		262,445
Prospect Capital Corp.
5.00%, 07/15/19^a		250		253,755

				1,394,380
HOME BUILDERS — 0.03%
DR Horton Inc.
2.55%, 12/01/20		170		167,948
NVR Inc.
3.95%, 09/15/22 (Call 06/15/22)^a		200		204,752

				372,700
HOME FURNISHINGS — 0.05%
Leggett & Platt Inc.
3.50%, 11/15/27 (Call 08/15/27)^a		100		96,241
3.80%, 11/15/24 (Call 08/15/24)		100		99,525
Whirlpool Corp.
3.70%, 05/01/25		250		250,190
4.00%, 03/01/24^a		100		102,777
4.50%, 06/01/46 (Call 12/01/45)		60		59,422
4.85%, 06/15/21		195		205,134

				813,289


Security	Principal (000s)		Value
HOUSEHOLD PRODUCTS & WARES — 0.14%
Church & Dwight Co. Inc.
3.15%, 08/01/27 (Call 05/01/27)	$	515	$	485,547
Clorox Co. (The)
3.10%, 10/01/27 (Call 07/01/27)		450		433,674
3.80%, 11/15/21		200		205,232
Kimberly-Clark Corp.
1.90%, 05/22/19		190		188,493
2.40%, 06/01/23		128		123,494
3.90%, 05/04/47 (Call 11/04/46)^a		290		286,482
5.30%, 03/01/41		80		94,754
6.63%, 08/01/37		150		202,754

				2,020,430
HOUSEWARES — 0.13%
Newell Brands Inc.
3.15%, 04/01/21 (Call 03/01/21)		150		148,460
3.85%, 04/01/23 (Call 02/01/23)		400		398,516
4.00%, 12/01/24 (Call 09/01/24)		250		247,360
4.20%, 04/01/26 (Call 01/01/26)		10		9,897
5.50%, 04/01/46 (Call 10/01/45)		795		841,945
Tupperware Brands Corp.
4.75%, 06/01/21 (Call 03/01/21)^a		200		206,564

				1,852,742
INSURANCE — 2.57%
Aflac Inc.
2.88%, 10/15/26 (Call 07/15/26)		400		379,328
3.63%, 06/15/23		190		193,481
3.63%, 11/15/24		421		424,490
4.00%, 10/15/46 (Call 04/15/46)		230		221,978
Alleghany Corp.
4.95%, 06/27/22		100		105,921
5.63%, 09/15/20		100		106,026


Security	Principal (000s)		Value
Allied World Assurance Co. Holdings Ltd.
4.35%, 10/29/25 (Call 07/29/25)	$	250	$	247,240
Allstate Corp. (The)
4.20%, 12/15/46 (Call 06/15/46)		390		395,554
4.50%, 06/15/43		249		264,682
5.55%, 05/09/35		188		220,407
7.45%, 05/16/19		112		118,070
(3 mo. LIBOR US + 2.938%)
5.75%, 08/15/53 (Call 08/15/23)^c		150		160,535
Alterra Finance LLC
6.25%, 09/30/20		100		107,565
American Financial Group Inc./OH
4.50%, 06/15/47 (Call 12/15/46)		60		59,396
American International Group Inc.
2.30%, 07/16/19 (Call 06/16/19)		455		452,079
3.30%, 03/01/21 (Call 02/01/21)		330		330,644
3.75%, 07/10/25 (Call 04/10/25)		245		244,086
3.88%, 01/15/35 (Call 07/15/34)		1,000		944,240
3.90%, 04/01/26 (Call 01/01/26)		675		673,366
4.13%, 02/15/24		280		286,868
4.38%, 01/15/55 (Call 07/15/54)		400		373,664
4.50%, 07/16/44 (Call 01/16/44)		596		591,858
4.80%, 07/10/45 (Call 01/10/45)		11		11,432
4.88%, 06/01/22		625		661,575
6.25%, 05/01/36		100		121,506
6.40%, 12/15/20		322		349,653
Aon Corp.
5.00%, 09/30/20		130		136,292
6.25%, 09/30/40		170		211,876


Security	Principal (000s)		Value
Aon PLC
3.50%, 06/14/24 (Call 03/14/24)	$	350	$	348,660
3.88%, 12/15/25 (Call 09/15/25)^a		307		310,715
4.60%, 06/14/44 (Call 03/14/44)		120		123,662
4.75%, 05/15/45 (Call 11/15/44)		25		26,330
Arch Capital Group U.S. Inc.
5.14%, 11/01/43		300		334,674
Assurant Inc.
6.75%, 02/15/34		50		59,658
AXA SA
8.60%, 12/15/30		225		312,845
AXIS Specialty Finance LLC
5.88%, 06/01/20		250		264,908
AXIS Specialty Finance PLC
4.00%, 12/06/27 (Call 09/06/27)		110		107,348
Berkshire Hathaway Finance Corp.
1.70%, 03/15/19		1,050		1,042,639
4.40%, 05/15/42		181		192,074
5.75%, 01/15/40		100		125,114
Berkshire Hathaway Inc.
2.75%, 03/15/23 (Call 01/15/23)		1,335		1,314,267
3.00%, 02/11/23		100		100,453
3.13%, 03/15/26 (Call 12/15/25)		835		813,390
3.40%, 01/31/22^a		300		305,670
3.75%, 08/15/21^a		350		361,011
4.50%, 02/11/43^a		478		517,182
Brighthouse Financial Inc.
3.70%, 06/22/27 (Call 03/22/27)^b		375		351,056
4.70%, 06/22/47 (Call 12/22/46)^b		235		219,069
Chubb Corp. (The)
6.50%, 05/15/38		200		269,170
Chubb INA Holdings Inc.
2.88%, 11/03/22 (Call 09/03/22)		580		574,757


Security	Principal (000s)		Value
3.35%, 05/15/24	$	401	$	400,234
3.35%, 05/03/26 (Call 02/03/26)		25		24,667
4.35%, 11/03/45 (Call 05/03/45)		540		572,762
5.90%, 06/15/19		80		83,202
CNA Financial Corp.
3.45%, 08/15/27 (Call 05/10/27)		300		285,927
3.95%, 05/15/24 (Call 02/15/24)		250		253,433
4.50%, 03/01/26 (Call 12/01/25)		230		237,487
5.88%, 08/15/20		82		87,416
Fidelity National Financial Inc.
5.50%, 09/01/22		250		270,240
First American Financial Corp.
4.60%, 11/15/24		100		101,539
Hartford Financial Services Group Inc. (The)
4.30%, 04/15/43		54		54,255
5.13%, 04/15/22^a		186		198,722
Lincoln National Corp.
3.35%, 03/09/25		65		63,612
3.63%, 12/12/26 (Call 09/15/26)^a		55		54,425
4.20%, 03/15/22		118		122,272
4.85%, 06/24/21		50		52,791
6.15%, 04/07/36		50		60,027
7.00%, 06/15/40		290		391,694
Loews Corp.
2.63%, 05/15/23 (Call 02/15/23)		350		338,440
4.13%, 05/15/43 (Call 11/15/42)		25		24,673
Manulife Financial Corp.
4.15%, 03/04/26		455		465,365
4.90%, 09/17/20		355		371,287
5.38%, 03/04/46^a		400		468,396
(5 year USD Swap + 1.647%)
4.06%, 02/24/32 (Call 02/24/27)^c		200		196,206


Security	Principal (000s)		Value
Markel Corp.
3.50%, 11/01/27 (Call 08/01/27)	$	95	$	91,312
4.30%, 11/01/47 (Call 05/01/47)		135		129,267
4.90%, 07/01/22^a		100		105,637
Marsh & McLennan Companies Inc.
2.35%, 09/10/19 (Call 08/10/19)		155		154,169
2.75%, 01/30/22 (Call 12/30/21)		360		354,024
3.30%, 03/14/23 (Call 01/14/23)		305		304,411
3.50%, 03/10/25 (Call 12/10/24)		436		433,667
4.80%, 07/15/21 (Call 04/15/21)		200		210,224
Mercury General Corp.
4.40%, 03/15/27 (Call 12/15/26)		30		29,815
MetLife Inc.
3.05%, 12/15/22^a		390		386,314
3.60%, 04/10/24		667		669,208
3.60%, 11/13/25 (Call 08/13/25)		135		135,219
4.05%, 03/01/45		365		354,433
4.13%, 08/13/42		225		222,809
4.60%, 05/13/46 (Call 11/13/45)^a		410		431,931
4.72%, 12/15/44		295		317,396
4.75%, 02/08/21		370		387,719
4.88%, 11/13/43		175		191,105
5.88%, 02/06/41		300		366,876
6.40%, 12/15/66 (Call 12/15/31)		415		467,863
Series D
4.37%, 09/15/23		295		309,650
Old Republic International Corp.
4.88%, 10/01/24 (Call 09/01/24)^a		200		209,820
Principal Financial Group Inc.
3.13%, 05/15/23		202		198,055


Security	Principal (000s)		Value
3.30%, 09/15/22	$	102	$	101,454
4.30%, 11/15/46 (Call 05/15/46)		40		40,012
6.05%, 10/15/36		132		161,631
Progressive Corp. (The)
3.70%, 01/26/45		120		114,115
3.75%, 08/23/21		350		358,964
4.13%, 04/15/47 (Call 10/15/46)		650		655,531
Prudential Financial Inc.
3.91%, 12/07/47 (Call 06/07/47)^a,b		670		633,807
3.94%, 12/07/49 (Call 06/07/49)^b		381		361,615
4.50%, 11/16/21		225		235,557
5.70%, 12/14/36		250		302,288
7.38%, 06/15/19		250		264,845
(3 mo. LIBOR US + 2.380%)
4.50%, 09/15/47 (Call 09/15/27)^c		50		49,049
(3 mo. LIBOR US + 3.031%)
5.38%, 05/15/45 (Call 05/15/25)^c		346		359,923
(3 mo. LIBOR US + 3.040%)
5.20%, 03/15/44 (Call 03/15/24)^c		870		908,567
(3 mo. LIBOR US + 3.920%)
5.63%, 06/15/43 (Call 06/15/23)^c		220		233,334
(3 mo. LIBOR US + 4.175%)
5.88%, 09/15/42 (Call 09/15/22)^c		250		267,920
Reinsurance Group of America Inc.
5.00%, 06/01/21^a		300		315,042
RenaissanceRe Finance Inc.
3.45%, 07/01/27 (Call 04/01/27)		200		190,270
Transatlantic Holdings Inc.
8.00%, 11/30/39		100		131,916
Travelers Companies Inc. (The)
3.75%, 05/15/46 (Call 11/15/45)		450		432,607
3.90%, 11/01/20^a		180		184,676


Security	Principal (000s)		Value
4.00%, 05/30/47 (Call 11/30/46)^a	$	170	$	170,071
4.30%, 08/25/45 (Call 02/25/45)		50		52,228
4.60%, 08/01/43^a		60		65,404
5.35%, 11/01/40		75		90,192
5.90%, 06/02/19^a		120		124,727
6.25%, 06/15/37		371		481,948
Travelers Property Casualty Corp.
6.38%, 03/15/33		150		188,181
Unum Group
4.00%, 03/15/24		200		203,332
Voya Financial Inc.
3.13%, 07/15/24 (Call 05/15/24)^a		200		194,434
3.65%, 06/15/26		30		29,421
4.80%, 06/15/46		375		387,862
WR Berkley Corp.
4.63%, 03/15/22		55		57,418
4.75%, 08/01/44		130		133,169
5.38%, 09/15/20		120		126,284
XLIT Ltd.
4.45%, 03/31/25		90		90,871
5.50%, 03/31/45		300		319,431
5.75%, 10/01/21		545		588,377
6.25%, 05/15/27		150		172,124

				37,887,057
INTERNET — 0.96%
Alibaba Group Holding Ltd.
2.50%, 11/28/19 (Call 10/28/19)		430		427,897
2.80%, 06/06/23 (Call 05/06/23)		200		194,244
3.40%, 12/06/27 (Call 09/06/27)		200		190,560
3.60%, 11/28/24 (Call 08/28/24)^a		1,000		997,570
4.20%, 12/06/47 (Call 06/06/47)		250		238,393
4.40%, 12/06/57 (Call 06/06/57)^a		205		194,996
4.50%, 11/28/34 (Call 05/28/34)^a		100		103,870


Security	Principal (000s)		Value
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)	$	333	$	302,374
3.38%, 02/25/24		436		444,301
3.63%, 05/19/21		615		634,090
Amazon.com Inc.
1.90%, 08/21/20^b		540		528,676
2.40%, 02/22/23 (Call 01/22/23)^b		870		839,785
2.50%, 11/29/22 (Call 08/29/22)		583		569,230
2.60%, 12/05/19 (Call 11/05/19)		250		250,055
2.80%, 08/22/24 (Call 06/22/24)^b		435		421,080
3.15%, 08/22/27 (Call 05/22/27)^b		657		633,670
3.30%, 12/05/21 (Call 10/05/21)		190		192,578
3.80%, 12/05/24 (Call 09/05/24)^a		425		436,360
3.88%, 08/22/37 (Call 02/22/37)^b		600		597,522
4.05%, 08/22/47 (Call 02/22/47)^b		500		496,920
4.25%, 08/22/57 (Call 02/22/57)^b		335		334,920
4.80%, 12/05/34 (Call 06/05/34)^a		257		284,067
4.95%, 12/05/44 (Call 06/05/44)		790		895,252
5.20%, 12/03/25 (Call 09/03/25)		445		496,179
Baidu Inc.
3.50%, 11/28/22		400		398,924
3.63%, 07/06/27		600		573,654
eBay Inc.
2.20%, 08/01/19 (Call 07/01/19)		140		139,093
2.60%, 07/15/22 (Call 04/15/22)		490		474,849
2.75%, 01/30/23 (Call 12/30/22)		735		711,076


Security	Principal (000s)		Value
3.45%, 08/01/24 (Call 05/01/24)	$	220	$	217,419
3.60%, 06/05/27 (Call 03/05/27)		60		58,139
3.80%, 03/09/22 (Call 02/09/22)		60		61,107
4.00%, 07/15/42 (Call 01/15/42)		290		257,969
Expedia Inc.
3.80%, 02/15/28 (Call 11/15/27)^a		125		116,334
4.50%, 08/15/24 (Call 05/15/24)		170		172,009
5.95%, 08/15/20^a		257		273,528

				14,158,690
IRON & STEEL — 0.23%
Nucor Corp.
6.40%, 12/01/37		250		318,868
Vale Overseas Ltd.
4.38%, 01/11/22^a		675		691,429
5.88%, 06/10/21		250		267,518
6.25%, 08/10/26^a		750		846,525
6.88%, 11/21/36		315		379,033
6.88%, 11/10/39^a		225		272,716
8.25%, 01/17/34		50		64,965
Vale SA
5.63%, 09/11/42		572		616,410

				3,457,464
LEISURE TIME — 0.05%
Carnival Corp.
3.95%, 10/15/20^a		420		431,840
Harley-Davidson Inc.
3.50%, 07/28/25 (Call 04/28/25)		50		49,441
4.63%, 07/28/45 (Call 01/28/45)^a		150		154,131
Royal Caribbean Cruises Ltd.
3.70%, 03/15/28 (Call 12/15/27)^a		130		124,244

				759,656
LODGING — 0.11%
Hyatt Hotels Corp.
3.38%, 07/15/23 (Call 04/15/23)^a		95		94,517


Security	Principal (000s)		Value
Marriott International Inc./MD
2.88%, 03/01/21 (Call 02/01/21)^a	$	155	$	154,268
3.00%, 03/01/19 (Call 12/01/18)		80		80,248
3.25%, 09/15/22 (Call 06/15/22)		202		201,408
3.75%, 03/15/25 (Call 12/15/24)^a		485		485,694
Series N
3.13%, 10/15/21 (Call 07/15/21)		100		99,844
Series R
3.13%, 06/15/26 (Call 03/15/26)		90		85,411
Wyndham Worldwide Corp.
4.25%, 03/01/22 (Call 12/01/21)		200		200,748
5.10%, 10/01/25 (Call 07/01/25)^a		210		217,686

				1,619,824
MACHINERY — 0.70%
Caterpillar Financial Services Corp.
1.70%, 08/09/21		135		129,484
1.93%, 10/01/21		170		164,230
2.00%, 03/05/20^a		30		29,594
2.10%, 06/09/19		195		194,025
2.25%, 12/01/19		265		263,251
2.40%, 06/06/22		460		448,095
2.40%, 08/09/26		250		231,787
2.55%, 11/29/22		90		87,790
3.25%, 12/01/24^a		250		249,025
3.30%, 06/09/24^a		325		325,624
Caterpillar Inc.
3.40%, 05/15/24 (Call 02/15/24)^a		405		410,164
3.80%, 08/15/42		395		392,484
3.90%, 05/27/21		270		278,427
4.30%, 05/15/44 (Call 11/15/43)^a		75		81,137
4.75%, 05/15/64 (Call 11/15/63)^a		250		278,590
5.20%, 05/27/41		325		388,606


Security	Principal (000s)		Value
5.30%, 09/15/35	$	200	$	235,978
CNH Industrial Capital LLC
4.38%, 11/06/20^a		100		102,133
CNH Industrial NV
3.85%, 11/15/27 (Call 08/15/27)		100		96,989
Cummins Inc.
3.65%, 10/01/23 (Call 07/01/23)		100		103,234
4.88%, 10/01/43 (Call 04/01/43)		100		111,843
Deere & Co.
2.60%, 06/08/22 (Call 03/08/22)		466		457,584
3.90%, 06/09/42 (Call 12/09/41)^a		140		142,885
4.38%, 10/16/19		80		82,329
5.38%, 10/16/29		246		287,532
Flowserve Corp.
4.00%, 11/15/23 (Call 08/15/23)		250		248,975
John Deere Capital Corp.
1.25%, 10/09/19		250		244,765
2.05%, 03/10/20		400		395,728
2.15%, 09/08/22		300		287,925
2.20%, 03/13/20		150		148,635
2.30%, 09/16/19		280		279,082
2.38%, 07/14/20		190		188,140
2.55%, 01/08/21^a		300		297,696
2.65%, 06/24/24		85		81,855
2.65%, 06/10/26^a		250		235,720
2.75%, 03/15/22		300		296,538
2.80%, 03/04/21^a		20		19,955
2.80%, 01/27/23^a		122		119,954
2.80%, 03/06/23		290		284,304
2.80%, 09/08/27		270		255,676
3.15%, 10/15/21^a		70		70,602
3.35%, 06/12/24		345		345,952
Series 0014 2.45%, 09/11/20		250		247,972
Rockwell Automation Inc.
2.88%, 03/01/25 (Call 12/01/24)		80		76,797


Security	Principal (000s)		Value
Roper Technologies Inc.
3.13%, 11/15/22 (Call 08/15/22)	$	150	$	148,527
3.80%, 12/15/26 (Call 09/15/26)		230		229,669
Wabtec Corp./DE
3.45%, 11/15/26 (Call 08/15/26)		275		261,473
Xylem Inc./NY
3.25%, 11/01/26 (Call 08/01/26)		20		19,396

				10,358,156
MANUFACTURING — 1.15%
3M Co.
1.63%, 06/15/19		50		49,516
2.00%, 08/07/20		150		148,022
2.00%, 06/26/22		825		796,191
2.25%, 03/15/23 (Call 02/15/23)		250		241,455
2.25%, 09/19/26 (Call 06/19/26)		250		229,393
2.88%, 10/15/27 (Call 07/15/27)^a		250		238,792
3.13%, 09/19/46 (Call 03/19/46)		125		109,669
3.63%, 10/15/47 (Call 04/15/47)^a		50		47,910
5.70%, 03/15/37		390		490,113
Carlisle Companies Inc.
3.50%, 12/01/24 (Call 10/01/24)		90		88,817
3.75%, 11/15/22 (Call 08/15/22)		202		204,632
3.75%, 12/01/27 (Call 09/01/27)		100		98,268
Dover Corp.
5.38%, 10/15/35		85		97,418
5.38%, 03/01/41 (Call 12/01/40)		157		182,129
Eaton Corp.
2.75%, 11/02/22		592		579,414
3.92%, 09/15/47 (Call 03/15/47)		100		94,597


Security	Principal (000s)		Value
4.00%, 11/02/32	$	258	$	255,835
4.15%, 11/02/42		315		310,574
General Electric Co.
2.20%, 01/09/20 (Call 12/09/19)^a		600		592,008
2.70%, 10/09/22^a		845		816,954
3.10%, 01/09/23		589		578,716
3.15%, 09/07/22		256		253,143
3.38%, 03/11/24		145		142,535
3.45%, 05/15/24 (Call 02/13/24)		379		373,349
4.13%, 10/09/42		481		449,350
4.50%, 03/11/44^a		729		721,746
4.63%, 01/07/21		135		140,126
4.65%, 10/17/21		575		601,835
5.30%, 02/11/21		720		760,032
5.50%, 01/08/20		400		417,988
5.88%, 01/14/38		638		747,187
6.00%, 08/07/19		135		141,082
6.15%, 08/07/37		246		293,542
6.88%, 01/10/39		604		784,089
Series A
6.75%, 03/15/32		715		887,901
Illinois Tool Works Inc.
2.65%, 11/15/26 (Call 08/15/26)		415		389,718
3.38%, 09/15/21 (Call 06/15/21)		100		101,445
3.50%, 03/01/24 (Call 12/01/23)		100		102,004
3.90%, 09/01/42 (Call 03/01/42)		425		428,578
4.88%, 09/15/41 (Call 03/15/41)		150		171,105
6.25%, 04/01/19		112		116,347
Ingersoll-Rand Global Holding Co. Ltd.
2.90%, 02/21/21		500		498,270
3.75%, 08/21/28 (Call 05/21/28)		250		247,830
Ingersoll-Rand Luxembourg Finance SA
2.63%, 05/01/20 (Call 04/01/20)		250		247,742


Security	Principal (000s)		Value
3.55%, 11/01/24 (Call 08/01/24)	$	19	$	19,087
4.65%, 11/01/44 (Call 05/01/44)		190		199,658
Parker-Hannifin Corp.
3.25%, 03/01/27 (Call 12/01/26)		355		345,830
3.30%, 11/21/24 (Call 08/21/24)		350		347,956
4.10%, 03/01/47 (Call 09/01/46)^a		350		354,998
4.20%, 11/21/34 (Call 05/21/34)		80		83,109
Series A
6.25%, 05/15/38		100		128,834
Textron Inc.
3.65%, 03/15/27 (Call 12/15/26)		50		49,158
3.88%, 03/01/25 (Call 12/01/24)		55		55,465
Trinity Industries Inc.
4.55%, 10/01/24 (Call 07/01/24)		150		149,898

				17,001,360
MEDIA — 3.06%
21st Century Fox America Inc.
3.00%, 09/15/22		410		405,953
3.38%, 11/15/26 (Call 08/15/26)^a		450		442,804
3.70%, 09/15/24 (Call 06/15/24)		320		325,453
4.50%, 02/15/21		490		510,918
4.75%, 11/15/46 (Call 05/15/46)		300		323,550
6.15%, 02/15/41		637		803,633
6.40%, 12/15/35		10		12,648
6.65%, 11/15/37		363		475,472
6.90%, 03/01/19		500		520,840
6.90%, 08/15/39		150		201,927
7.75%, 12/01/45		175		266,889
7.85%, 03/01/39^a		150		219,107
8.15%, 10/17/36		100		146,671


Security	Principal (000s)		Value
CBS Corp.
2.50%, 02/15/23 (Call 01/15/23)	$	25	$	23,822
2.90%, 01/15/27 (Call 10/15/26)		200		182,492
3.38%, 03/01/22 (Call 12/01/21)^a		450		450,607
3.50%, 01/15/25 (Call 10/15/24)^a		50		48,968
3.70%, 08/15/24 (Call 05/15/24)		200		199,414
4.00%, 01/15/26 (Call 10/15/25)		197		196,283
4.60%, 01/15/45 (Call 07/15/44)		105		102,092
4.85%, 07/01/42 (Call 01/01/42)		116		115,666
4.90%, 08/15/44 (Call 02/15/44)^a		242		247,953
5.50%, 05/15/33		75		80,829
7.88%, 07/30/30		495		652,118
Charter Communications Operating LLC/Charter Communications Operating Capital
3.58%, 07/23/20 (Call 06/23/20)		385		387,853
4.46%, 07/23/22 (Call 05/23/22)^a		360		368,320
4.91%, 07/23/25 (Call 04/23/25)		1,345		1,382,203
6.38%, 10/23/35 (Call 04/23/35)^a		814		917,223
6.48%, 10/23/45 (Call 04/23/45)		790		888,339
6.83%, 10/23/55 (Call 04/23/55)		415		482,085
Comcast Cable Communications Holdings Inc.
9.46%, 11/15/22		200		253,998
Comcast Corp.
2.35%, 01/15/27 (Call 10/15/26)		996		894,049
2.75%, 03/01/23 (Call 02/01/23)^a		450		439,785


Security	Principal (000s)		Value
2.85%, 01/15/23	$	350	$	344,484
3.00%, 02/01/24 (Call 01/01/24)^a		119		116,386
3.13%, 07/15/22		400		399,728
3.15%, 03/01/26 (Call 12/01/25)		420		405,136
3.20%, 07/15/36 (Call 01/15/36)		309		270,684
3.38%, 02/15/25 (Call 11/15/24)		440		433,761
3.38%, 08/15/25 (Call 05/15/25)		295		290,242
3.40%, 07/15/46 (Call 01/15/46)		358		306,520
3.55%, 05/01/28 (Call 02/01/28)		100		98,059
3.60%, 03/01/24		170		171,600
3.97%, 11/01/47 (Call 05/01/47)		406		379,476
4.00%, 08/15/47 (Call 02/15/47)^a		300		281,745
4.00%, 11/01/49 (Call 05/01/49)		590		548,688
4.05%, 11/01/52 (Call 05/01/52)^a		290		270,773
4.20%, 08/15/34 (Call 02/15/34)		1,007		1,010,847
4.25%, 01/15/33		280		286,591
4.40%, 08/15/35 (Call 02/15/35)		435		442,334
4.60%, 08/15/45 (Call 02/15/45)		836		866,272
4.65%, 07/15/42		409		424,734
4.75%, 03/01/44		505		533,285
5.15%, 03/01/20^a		750		785,265
5.65%, 06/15/35		350		411,908
5.70%, 07/01/19		242		251,665
6.45%, 03/15/37		25		31,989
6.50%, 11/15/35		25		32,133
7.05%, 03/15/33		300		390,834
Discovery Communications LLC
2.20%, 09/20/19		95		94,031
3.30%, 05/15/22		200		198,616


Security	Principal (000s)		Value
3.95%, 03/20/28 (Call 12/20/27)^a	$	315	$	302,397
4.38%, 06/15/21		200		206,734
4.88%, 04/01/43		489		465,636
4.90%, 03/11/26 (Call 12/11/25)^a		120		124,600
5.05%, 06/01/20		100		104,239
5.20%, 09/20/47 (Call 03/20/47)^a		700		695,618
6.35%, 06/01/40		235		264,805
Grupo Televisa SAB
4.63%, 01/30/26 (Call 10/29/25)		200		204,202
6.13%, 01/31/46 (Call 07/31/45)^a		400		445,576
6.63%, 03/18/25^a		315		358,319
6.63%, 01/15/40		100		116,883
NBCUniversal Media LLC
2.88%, 01/15/23^a		207		204,021
4.38%, 04/01/21		462		481,386
4.45%, 01/15/43		105		105,905
5.15%, 04/30/20		633		664,289
5.95%, 04/01/41		270		328,549
RELX Capital Inc.
3.13%, 10/15/22 (Call 07/15/22)		350		345,019
Scripps Networks Interactive Inc.
2.75%, 11/15/19 (Call 10/15/19)		440		438,046
TCI Communications Inc.
7.13%, 02/15/28		350		437,654
Thomson Reuters Corp.
3.85%, 09/29/24 (Call 06/29/24)		380		380,315
3.95%, 09/30/21 (Call 06/30/21)		300		304,866
5.65%, 11/23/43 (Call 05/23/43)		370		426,980
5.85%, 04/15/40^a		70		80,916
Time Warner Cable LLC
4.00%, 09/01/21 (Call 06/01/21)		250		253,060
4.50%, 09/15/42 (Call 03/15/42)		289		255,407


Security	Principal (000s)		Value
5.00%, 02/01/20	$	700	$	724,101
5.50%, 09/01/41 (Call 03/01/41)		757		765,736
5.88%, 11/15/40 (Call 05/15/40)^a		190		201,748
6.55%, 05/01/37		360		408,010
6.75%, 06/15/39		523		600,692
7.30%, 07/01/38		360		434,959
8.25%, 04/01/19		630		665,261
Time Warner Entertainment Co. LP
8.38%, 03/15/23		475		569,230
Time Warner Inc.
2.10%, 06/01/19		225		223,441
2.95%, 07/15/26 (Call 04/15/26)		90		82,688
3.40%, 06/15/22		450		450,022
3.60%, 07/15/25 (Call 04/15/25)		760		739,624
3.80%, 02/15/27 (Call 11/15/26)		325		315,676
4.65%, 06/01/44 (Call 12/01/43)		171		167,262
4.75%, 03/29/21		375		392,842
4.85%, 07/15/45 (Call 01/15/45)^a		185		186,180
4.88%, 03/15/20		80		82,990
4.90%, 06/15/42		490		495,365
5.35%, 12/15/43		200		214,200
6.10%, 07/15/40		300		347,268
6.25%, 03/29/41		58		68,996
Viacom Inc.
3.88%, 12/15/21		350		356,237
4.38%, 03/15/43^a		455		409,259
4.50%, 03/01/21		200		206,818
5.85%, 09/01/43 (Call 03/01/43)		340		372,320
6.88%, 04/30/36		260		309,020
Walt Disney Co. (The)
1.85%, 05/30/19		300		297,975
1.85%, 07/30/26		415		368,935
2.15%, 09/17/20		420		414,611
2.35%, 12/01/22		175		169,748
2.45%, 03/04/22		350		343,654
2.55%, 02/15/22		280		275,845


Security	Principal (000s)		Value
2.75%, 08/16/21	$	300	$	299,058
2.95%, 06/15/27^a		250		240,830
3.00%, 02/13/26		400		390,896
3.00%, 07/30/46		80		68,043
3.15%, 09/17/25		335		331,627
3.70%, 12/01/42		100		97,078
4.13%, 06/01/44^a		275		285,115
4.38%, 08/16/41^a		200		212,940
5.50%, 03/15/19		200		206,178
7.00%, 03/01/32		175		234,901
Series E
4.13%, 12/01/41		100		103,199

				45,173,750
METAL FABRICATE & HARDWARE — 0.05%
Precision Castparts Corp.
2.50%, 01/15/23 (Call 10/15/22)^a		250		244,450
3.25%, 06/15/25 (Call 03/15/25)		420		417,534
3.90%, 01/15/43 (Call 07/15/42)		130		127,664

				789,648
MINING — 0.66%
Barrick Gold Corp.
3.85%, 04/01/22		135		138,000
5.25%, 04/01/42		250		277,910
6.45%, 10/15/35		180		221,249
Barrick North America Finance LLC
4.40%, 05/30/21		450		470,083
5.70%, 05/30/41		457		532,419
5.75%, 05/01/43^a		350		414,827
BHP Billiton Finance USA Ltd.
2.88%, 02/24/22		515		513,064
4.13%, 02/24/42^a		500		513,190
5.00%, 09/30/43		554		638,208
Goldcorp Inc.
3.70%, 03/15/23 (Call 12/15/22)		830		834,872
5.45%, 06/09/44 (Call 12/09/43)		100		111,900
Newmont Mining Corp.
3.50%, 03/15/22 (Call 12/15/21)		140		140,386


Security	Principal (000s)		Value
4.88%, 03/15/42 (Call 09/15/41)	$	175	$	185,094
5.88%, 04/01/35		100		116,251
6.25%, 10/01/39		588		719,383
Rio Tinto Finance USA Ltd.
3.75%, 09/20/21		100		102,626
3.75%, 06/15/25 (Call 03/15/25)		531		541,216
4.13%, 05/20/21		130		134,755
5.20%, 11/02/40		511		597,298
Rio Tinto Finance USA PLC
2.88%, 08/21/22 (Call 05/21/22)		470		464,990
4.13%, 08/21/42 (Call 02/21/42)		241		245,977
Southern Copper Corp.
3.50%, 11/08/22		65		65,104
3.88%, 04/23/25		350		351,869
5.25%, 11/08/42		475		505,395
6.75%, 04/16/40		175		219,047
7.50%, 07/27/35		500		653,265
Yamana Gold Inc.
4.63%, 12/15/27 (Call 09/15/27)^b		100		98,061

				9,806,439
OFFICE & BUSINESS EQUIPMENT — 0.10%
Pitney Bowes Inc.
3.63%, 09/15/20		250		247,652
3.63%, 10/01/21 (Call 09/01/21)^a		235		224,580
4.63%, 03/15/24 (Call 12/15/23)^a		100		93,128
4.70%, 04/01/23 (Call 03/01/23)^a		150		140,081
6.25%, 03/15/19		100		103,427
Xerox Corp.
3.63%, 03/15/23 (Call 02/15/23)^a		150		146,472
3.80%, 05/15/24^a		330		325,314
4.50%, 05/15/21		50		51,248
6.75%, 12/15/39^a		100		107,174

				1,439,076


Security	Principal (000s)		Value
OIL & GAS — 5.89%
Anadarko Petroleum Corp.
3.45%, 07/15/24 (Call 04/15/24)	$	330	$	322,265
4.85%, 03/15/21 (Call 02/15/21)		540		563,004
5.55%, 03/15/26 (Call 12/15/25)^a		357		389,198
6.20%, 03/15/40		446		525,004
6.45%, 09/15/36		456		546,849
6.60%, 03/15/46 (Call 09/15/45)^a		423		528,086
Andeavor
4.50%, 04/01/48 (Call 10/01/47)		95		87,532
4.75%, 12/15/23 (Call 10/15/23)		350		364,283
5.13%, 12/15/26 (Call 09/15/26)		300		316,515
Apache Corp.
2.63%, 01/15/23 (Call 10/15/22)		206		197,570
3.25%, 04/15/22 (Call 01/15/22)		460		456,154
4.25%, 01/15/44 (Call 07/15/43)		380		350,816
4.75%, 04/15/43 (Call 10/15/42)		568		560,803
5.10%, 09/01/40 (Call 03/01/40)		210		215,998
6.00%, 01/15/37		261		295,862
BP Capital Markets PLC
2.11%, 09/16/21 (Call 08/16/21)		545		528,132
2.32%, 02/13/20		310		307,381
2.50%, 11/06/22		320		311,203
2.52%, 09/19/22 (Call 08/19/22)^a		325		316,739
2.75%, 05/10/23^a		553		540,817
3.02%, 01/16/27 (Call 10/16/26)		209		199,284
3.06%, 03/17/22		330		330,040
3.12%, 05/04/26 (Call 02/04/26)		253		243,915


Security	Principal (000s)		Value
3.22%, 11/28/23 (Call 09/28/23)	$	151	$	150,055
3.22%, 04/14/24 (Call 02/14/24)		350		347,056
3.25%, 05/06/22		50		50,286
3.51%, 03/17/25		330		329,914
3.54%, 11/04/24		300		301,599
3.56%, 11/01/21		480		489,058
3.59%, 04/14/27 (Call 01/14/27)^a		550		548,009
3.72%, 11/28/28 (Call 08/28/28)^a		380		381,862
3.81%, 02/10/24		5		5,126
3.99%, 09/26/23		250		259,000
4.50%, 10/01/20		345		358,396
4.74%, 03/11/21		250		262,548
4.75%, 03/10/19		250		255,698
Canadian Natural Resources Ltd.
2.95%, 01/15/23 (Call 12/15/22)		120		117,030
3.45%, 11/15/21 (Call 08/15/21)		440		444,880
3.85%, 06/01/27 (Call 03/01/27)^a		523		513,591
3.90%, 02/01/25 (Call 11/01/24)		300		299,115
4.95%, 06/01/47 (Call 12/01/46)		60		62,590
6.25%, 03/15/38^a		426		514,365
6.45%, 06/30/33		100		119,942
6.50%, 02/15/37		175		215,007
6.75%, 02/01/39		110		137,778
Cenovus Energy Inc.
3.00%, 08/15/22 (Call 05/15/22)		325		315,981
4.25%, 04/15/27 (Call 01/15/27)^a		545		532,122
5.25%, 06/15/37 (Call 12/15/36)		250		250,263
5.40%, 06/15/47 (Call 12/15/46)^a		450		451,651
5.70%, 10/15/19		225		233,458
6.75%, 11/15/39		190		217,744


Security	Principal (000s)		Value
Chevron Corp.
1.96%, 03/03/20 (Call 02/03/20)	$	350	$	345,348
2.10%, 05/16/21 (Call 04/15/21)		420		410,756
2.19%, 11/15/19 (Call 10/15/19)		600		596,634
2.36%, 12/05/22 (Call 09/05/22)^a		465		450,776
2.41%, 03/03/22 (Call 01/03/22)		775		758,771
2.42%, 11/17/20 (Call 10/17/20)		650		644,091
2.50%, 03/03/22 (Call 02/03/22)^a		315		309,730
2.57%, 05/16/23 (Call 03/16/23)		6		5,834
2.90%, 03/03/24 (Call 01/03/24)^a		539		527,606
2.95%, 05/16/26 (Call 02/16/26)		247		237,080
3.19%, 06/24/23 (Call 03/24/23)		185		185,279
3.33%, 11/17/25 (Call 08/17/25)		45		44,752
4.95%, 03/03/19		350		358,837
Cimarex Energy Co.
3.90%, 05/15/27 (Call 02/15/27)		505		496,178
4.38%, 06/01/24 (Call 03/01/24)		220		227,909
CNOOC Finance 2013 Ltd.
3.00%, 05/09/23		620		600,296
CNOOC Finance 2015 USA LLC
3.50%, 05/05/25		900		879,003
CNOOC Nexen Finance 2014 ULC
4.25%, 04/30/24		200		204,472
4.88%, 04/30/44^a		210		225,840
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)^a		463		449,851
4.88%, 10/01/47 (Call 04/01/47)		150		155,496


Security	Principal (000s)		Value
Conoco Funding Co.
7.25%, 10/15/31	$	300	$	397,827
ConocoPhillips
6.50%, 02/01/39		997		1,302,720
ConocoPhillips Co.
2.40%, 12/15/22 (Call 09/15/22)		445		430,190
3.35%, 11/15/24 (Call 08/15/24)		526		522,802
4.15%, 11/15/34 (Call 05/15/34)		36		36,339
4.95%, 03/15/26 (Call 12/15/25)^a		952		1,036,623
5.95%, 03/15/46 (Call 09/15/45)^a		275		346,962
Devon Energy Corp.
3.25%, 05/15/22 (Call 02/15/22)		410		406,904
4.75%, 05/15/42 (Call 11/15/41)		496		499,636
5.00%, 06/15/45 (Call 12/15/44)		300		313,518
5.60%, 07/15/41 (Call 01/15/41)		225		251,507
7.95%, 04/15/32		320		429,738
Ecopetrol SA
5.38%, 06/26/26 (Call 03/26/26)^a		1,080		1,138,914
5.88%, 09/18/23		540		585,608
5.88%, 05/28/45		390		391,334
7.63%, 07/23/19		450		476,068
Encana Corp.
3.90%, 11/15/21 (Call 08/15/21)^a		200		203,498
6.50%, 05/15/19		125		130,255
6.50%, 08/15/34		220		262,335
6.50%, 02/01/38		200		241,114
7.38%, 11/01/31		300		377,121
EOG Resources Inc.
2.45%, 04/01/20 (Call 03/01/20)^a		150		148,715
2.63%, 03/15/23 (Call 12/15/22)		223		215,079


Security	Principal (000s)		Value
3.15%, 04/01/25 (Call 01/01/25)	$	75	$	72,461
3.90%, 04/01/35 (Call 10/01/34)		261		257,972
4.10%, 02/01/21		520		534,352
4.15%, 01/15/26 (Call 10/15/25)^a		160		165,082
5.63%, 06/01/19		180		186,262
EQT Corp.
2.50%, 10/01/20 (Call 09/01/20)		335		329,181
3.00%, 10/01/22 (Call 09/01/22)		150		146,181
3.90%, 10/01/27 (Call 07/01/27)		105		100,190
4.88%, 11/15/21		202		211,437
8.13%, 06/01/19		50		53,087
Exxon Mobil Corp.
1.71%, 03/01/19		300		297,942
1.91%, 03/06/20 (Call 02/06/20)		380		375,668
2.22%, 03/01/21 (Call 02/01/21)		575		566,099
2.40%, 03/06/22 (Call 01/06/22)		326		319,105
2.71%, 03/06/25 (Call 12/06/24)		1,710		1,642,882
2.73%, 03/01/23 (Call 01/01/23)^a		395		389,300
3.04%, 03/01/26 (Call 12/01/25)		620		605,374
3.18%, 03/15/24 (Call 12/15/23)		350		351,340
3.57%, 03/06/45 (Call 09/06/44)^a		219		207,903
4.11%, 03/01/46 (Call 09/01/45)		492		512,930
Hess Corp.
3.50%, 07/15/24 (Call 04/15/24)		415		401,720
4.30%, 04/01/27 (Call 01/01/27)^a		200		195,260
5.60%, 02/15/41		368		378,429


Security	Principal (000s)		Value
5.80%, 04/01/47 (Call 10/01/46)^a	$	100	$	105,557
6.00%, 01/15/40		145		153,416
7.13%, 03/15/33		37		44,649
7.30%, 08/15/31		444		539,979
HollyFrontier Corp.
5.88%, 04/01/26 (Call 01/01/26)		20		21,571
Husky Energy Inc.
3.95%, 04/15/22 (Call 01/15/22)		309		314,902
4.00%, 04/15/24 (Call 01/15/24)^a		100		101,604
6.80%, 09/15/37		50		61,535
7.25%, 12/15/19		325		348,787
Kerr-McGee Corp.
6.95%, 07/01/24		150		173,933
Marathon Oil Corp.
2.70%, 06/01/20 (Call 05/01/20)		160		158,472
2.80%, 11/01/22 (Call 08/01/22)		346		333,637
3.85%, 06/01/25 (Call 03/01/25)		300		296,742
4.40%, 07/15/27 (Call 04/15/27)^a		350		355,512
5.20%, 06/01/45 (Call 12/01/44)		50		52,506
6.60%, 10/01/37		200		240,998
Marathon Petroleum Corp.
3.40%, 12/15/20 (Call 11/15/20)		345		348,954
4.75%, 09/15/44 (Call 03/15/44)		95		93,319
5.00%, 09/15/54 (Call 03/15/54)		204		199,126
5.13%, 03/01/21		389		411,508
6.50%, 03/01/41 (Call 09/01/40)		190		230,886
Nexen Energy ULC
5.88%, 03/10/35		260		304,021
6.20%, 07/30/19^a		125		130,413
6.40%, 05/15/37		87		107,909


Security	Principal (000s)		Value
7.50%, 07/30/39	$	342	$	480,674
7.88%, 03/15/32		100		136,893
Noble Energy Inc.
3.85%, 01/15/28 (Call 10/15/27)^a		400		392,572
3.90%, 11/15/24 (Call 08/15/24)		150		150,833
4.15%, 12/15/21 (Call 09/15/21)		92		94,378
4.95%, 08/15/47 (Call 02/15/47)^a		70		72,219
5.05%, 11/15/44 (Call 05/15/44)		575		595,959
6.00%, 03/01/41 (Call 09/01/40)		200		230,584
Occidental Petroleum Corp.
2.60%, 04/15/22 (Call 03/15/22)^a		375		368,546
2.70%, 02/15/23 (Call 11/15/22)		397		389,199
3.00%, 02/15/27 (Call 11/15/26)^a		350		334,232
3.13%, 02/15/22 (Call 11/15/21)		117		117,218
3.40%, 04/15/26 (Call 01/15/26)		1,000		986,490
4.10%, 02/15/47 (Call 08/15/46)^a		158		156,605
4.40%, 04/15/46 (Call 10/15/45)^a		411		426,988
4.63%, 06/15/45 (Call 12/15/44)		190		201,227
Petroleos Mexicanos
3.50%, 01/30/23		665		640,275
4.25%, 01/15/25		550		531,443
4.50%, 01/23/26^a		550		532,884
4.63%, 09/21/23		900		904,176
4.88%, 01/24/22		510		523,816
4.88%, 01/18/24^a		360		365,933
5.38%, 03/13/22^b		260		271,721
5.50%, 01/21/21		1,200		1,256,220
5.50%, 06/27/44		148		132,780
5.63%, 01/23/46		40		35,893


Security	Principal (000s)		Value
6.00%, 03/05/20	$	382	$	401,096
6.35%, 02/12/48^b		750		732,720
6.38%, 02/04/21		440		470,699
6.38%, 01/23/45^a		1,525		1,483,566
6.50%, 03/13/27^a,b		760		811,840
6.50%, 03/13/27^b		100		106,803
6.50%, 06/02/41		400		396,004
6.63%, 06/15/35		320		331,594
6.75%, 09/21/47^b		900		916,119
6.75%, 09/21/47		1,145		1,163,767
6.88%, 08/04/26		1,450		1,594,637
Phillips 66
4.30%, 04/01/22		183		189,976
4.65%, 11/15/34 (Call 05/15/34)		150		157,185
4.88%, 11/15/44 (Call 05/15/44)		578		607,964
5.88%, 05/01/42		283		336,725
Pioneer Natural Resources Co.
3.45%, 01/15/21 (Call 12/15/20)		324		327,237
3.95%, 07/15/22 (Call 04/15/22)		270		275,438
Shell International Finance BV
1.38%, 09/12/19^a		250		245,750
1.75%, 09/12/21		560		536,592
1.88%, 05/10/21		840		813,565
2.13%, 05/11/20		350		345,653
2.25%, 11/10/20		420		413,910
2.25%, 01/06/23		300		288,063
2.38%, 08/21/22		255		247,735
2.50%, 09/12/26		1,050		976,657
2.88%, 05/10/26^a		300		287,730
3.25%, 05/11/25^a		915		904,688
3.75%, 09/12/46		250		238,155
4.00%, 05/10/46		665		656,834
4.13%, 05/11/35		470		484,664
4.30%, 09/22/19		300		307,806
4.38%, 03/25/20		465		480,471
4.38%, 05/11/45		310		325,968
4.55%, 08/12/43		605		649,322
5.50%, 03/25/40		250		301,255
6.38%, 12/15/38		590		779,909


Security	Principal (000s)		Value
Statoil ASA
2.45%, 01/17/23	$	1,172	$	1,136,453
2.65%, 01/15/24		110		106,527
2.90%, 11/08/20		250		250,493
3.15%, 01/23/22		300		301,137
3.25%, 11/10/24		825		817,748
3.70%, 03/01/24		100		102,091
3.95%, 05/15/43		395		391,093
4.80%, 11/08/43^a		185		208,160
5.10%, 08/17/40		150		173,415
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)		400		399,692
4.00%, 11/15/47 (Call 05/15/47)		350		337,526
6.50%, 06/15/38		510		657,874
6.80%, 05/15/38^a		115		152,439
6.85%, 06/01/39		137		184,113
9.25%, 10/15/21		75		90,224
Total Capital Canada Ltd.
2.75%, 07/15/23		800		783,336
Total Capital International SA
2.70%, 01/25/23		385		377,504
2.88%, 02/17/22		40		39,694
3.75%, 04/10/24		300		307,095
Total Capital SA
4.45%, 06/24/20		200		207,576
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)		624		597,911
4.90%, 03/15/45		225		238,937
6.13%, 02/01/20		250		265,225
6.63%, 06/15/37		190		236,643
7.50%, 04/15/32		235		307,307

				86,939,081
OIL & GAS SERVICES — 0.27%
Baker Hughes a GE Co. LLC
5.13%, 09/15/40^a		360		397,051
Halliburton Co.
3.25%, 11/15/21 (Call 08/15/21)		102		102,434
3.50%, 08/01/23 (Call 05/01/23)		119		119,802


Security	Principal (000s)		Value
3.80%, 11/15/25 (Call 08/15/25)	$	33	$	33,050
4.50%, 11/15/41 (Call 05/15/41)		160		160,854
4.75%, 08/01/43 (Call 02/01/43)		355		368,998
4.85%, 11/15/35 (Call 05/15/35)		795		851,588
5.00%, 11/15/45 (Call 05/15/45)		476		514,123
6.70%, 09/15/38		25		32,344
7.45%, 09/15/39		329		452,158
National Oilwell Varco Inc.
2.60%, 12/01/22 (Call 09/01/22)		468		447,427
3.95%, 12/01/42 (Call 06/01/42)		192		166,788
Schlumberger Investment SA
3.65%, 12/01/23 (Call 09/01/23)		310		315,623

				3,962,240
PACKAGING & CONTAINERS — 0.06%
Bemis Co. Inc.
4.50%, 10/15/21 (Call 07/15/21)		50		52,009
Packaging Corp. of America
3.65%, 09/15/24 (Call 06/15/24)		140		140,652
4.50%, 11/01/23 (Call 08/01/23)		280		294,445
Sonoco Products Co.
5.75%, 11/01/40 (Call 05/01/40)		132		149,939
WestRock Co.
3.00%, 09/15/24 (Call 07/15/24)^b		100		96,374
3.38%, 09/15/27 (Call 06/15/27)^a,b		75		71,635
WestRock RKT Co.
4.90%, 03/01/22		70		73,874

				878,928


Security	Principal (000s)		Value
PHARMACEUTICALS — 4.16%
AbbVie Inc.
2.30%, 05/14/21 (Call 04/14/21)	$	280	$	273,134
2.50%, 05/14/20 (Call 04/14/20)		215		213,091
2.85%, 05/14/23 (Call 03/14/23)		300		291,306
2.90%, 11/06/22		975		954,642
3.20%, 11/06/22 (Call 09/06/22)		485		481,348
3.20%, 05/14/26 (Call 02/14/26)		945		902,295
3.60%, 05/14/25 (Call 02/14/25)		965		955,456
4.30%, 05/14/36 (Call 11/14/35)		450		450,783
4.40%, 11/06/42		370		366,925
4.45%, 05/14/46 (Call 11/14/45)		780		778,253
4.50%, 05/14/35 (Call 11/14/34)		540		555,806
4.70%, 05/14/45 (Call 11/14/44)^a		700		723,093
Actavis Inc.
3.25%, 10/01/22 (Call 07/01/22)		389		383,527
Allergan Funding SCS
3.00%, 03/12/20 (Call 02/12/20)		1,250		1,249,262
3.45%, 03/15/22 (Call 01/15/22)		598		596,822
3.80%, 03/15/25 (Call 12/15/24)^a		247		243,663
4.55%, 03/15/35 (Call 09/15/34)		915		912,612
4.75%, 03/15/45 (Call 09/15/44)		451		448,082
4.85%, 06/15/44 (Call 12/15/43)		407		412,397
Allergan Inc./U.S.
2.80%, 03/15/23 (Call 12/15/22)		645		621,477


Security	Principal (000s)		Value
3.38%, 09/15/20	$	250	$	251,343
AmerisourceBergen Corp.
3.25%, 03/01/25 (Call 12/01/24)		250		240,238
3.45%, 12/15/27 (Call 09/15/27)^a		130		123,678
3.50%, 11/15/21 (Call 08/15/21)^a		495		498,539
4.25%, 03/01/45 (Call 09/01/44)^a		130		121,437
4.30%, 12/15/47 (Call 06/15/47)		50		46,892
AstraZeneca PLC
1.95%, 09/18/19		145		143,435
2.38%, 11/16/20		1,395		1,376,391
3.38%, 11/16/25^a		730		717,181
4.00%, 09/18/42		426		406,276
4.38%, 11/16/45		231		233,758
6.45%, 09/15/37		644		824,307
Bristol-Myers Squibb Co.
2.00%, 08/01/22		220		210,639
3.25%, 02/27/27		555		547,774
4.50%, 03/01/44 (Call 09/01/43)^a		275		297,707
Cardinal Health Inc.
1.95%, 06/14/19		200		198,044
2.40%, 11/15/19		225		223,742
2.62%, 06/15/22 (Call 05/15/22)^a		520		502,954
3.08%, 06/15/24 (Call 04/15/24)^a		500		479,225
3.41%, 06/15/27 (Call 03/15/27)^a		100		94,124
3.75%, 09/15/25 (Call 06/15/25)		150		147,794
4.37%, 06/15/47 (Call 12/15/46)^a		295		277,834
4.50%, 11/15/44 (Call 05/15/44)		200		191,612
4.60%, 03/15/43		130		127,537
4.63%, 12/15/20		100		104,149
CVS Health Corp.
2.13%, 06/01/21 (Call 05/01/21)		535		515,772


Security	Principal (000s)		Value
2.25%, 08/12/19 (Call 07/12/19)	$	320	$	317,267
2.75%, 12/01/22 (Call 09/01/22)		40		38,535
2.80%, 07/20/20 (Call 06/20/20)		1,140		1,131,689
2.88%, 06/01/26 (Call 03/01/26)		9		8,217
3.38%, 08/12/24 (Call 05/12/24)^a		400		389,168
3.50%, 07/20/22 (Call 05/20/22)		559		556,999
3.88%, 07/20/25 (Call 04/20/25)^a		1,320		1,304,318
4.00%, 12/05/23 (Call 09/05/23)		265		268,636
4.88%, 07/20/35 (Call 01/20/35)		300		310,848
5.13%, 07/20/45 (Call 01/20/45)^a		492		514,115
5.30%, 12/05/43 (Call 06/05/43)		555		595,387
Eli Lilly & Co.
1.95%, 03/15/19		207		205,775
2.75%, 06/01/25 (Call 03/01/25)		490		471,934
3.10%, 05/15/27 (Call 02/15/27)		10		9,751
3.70%, 03/01/45 (Call 09/01/44)		430		415,101
5.50%, 03/15/27		200		231,524
Express Scripts Holding Co.
2.25%, 06/15/19		154		153,048
3.00%, 07/15/23 (Call 05/15/23)		107		103,210
3.05%, 11/30/22 (Call 10/30/22)		100		97,907
3.40%, 03/01/27 (Call 12/01/26)^a		56		53,064
3.50%, 06/15/24 (Call 03/15/24)		281		276,015
3.90%, 02/15/22		425		433,275
4.50%, 02/25/26 (Call 11/27/25)^a		822		846,159


Security	Principal (000s)		Value
4.75%, 11/15/21	$	426	$	446,640
4.80%, 07/15/46 (Call 01/15/46)^a		296		296,450
6.13%, 11/15/41^a		277		321,805
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23		334		327,868
4.20%, 03/18/43		95		98,780
5.38%, 04/15/34		50		58,229
6.38%, 05/15/38		734		974,392
GlaxoSmithKline Capital PLC
2.85%, 05/08/22		378		374,764
Johnson & Johnson
1.65%, 03/01/21 (Call 02/01/21)		400		389,056
1.88%, 12/05/19		50		49,577
2.05%, 03/01/23 (Call 01/01/23)		785		754,283
2.25%, 03/03/22 (Call 02/03/22)		300		294,021
2.45%, 12/05/21		20		19,860
2.45%, 03/01/26 (Call 12/01/25)		437		411,195
2.63%, 01/15/25 (Call 11/15/24)		6		5,802
2.90%, 01/15/28 (Call 10/15/27)		350		335,906
2.95%, 03/03/27 (Call 12/03/26)		55		53,420
3.38%, 12/05/23		200		204,160
3.40%, 01/15/38 (Call 07/15/37)		320		306,186
3.50%, 01/15/48 (Call 07/15/47)		270		254,445
3.55%, 03/01/36 (Call 09/01/35)^a		375		369,165
3.63%, 03/03/37 (Call 09/03/36)		120		118,615
3.70%, 03/01/46 (Call 09/01/45)		690		674,620
3.75%, 03/03/47 (Call 09/03/46)		180		177,266
4.38%, 12/05/33 (Call 06/05/33)		575		624,093


Security	Principal (000s)		Value
4.50%, 12/05/43 (Call 06/05/43)^a	$	200	$	220,778
4.85%, 05/15/41		30		34,419
5.95%, 08/15/37		288		374,089
McKesson Corp.
2.28%, 03/15/19		851		848,209
2.70%, 12/15/22 (Call 09/15/22)		198		191,951
2.85%, 03/15/23 (Call 12/15/22)		370		361,168
3.80%, 03/15/24 (Call 12/15/23)		340		343,618
Mead Johnson Nutrition Co.
3.00%, 11/15/20^a		410		409,734
4.60%, 06/01/44 (Call 12/01/43)		226		229,277
4.90%, 11/01/19		250		258,290
Merck & Co. Inc.
1.85%, 02/10/20		400		394,760
2.35%, 02/10/22		459		450,577
2.40%, 09/15/22 (Call 06/15/22)		255		249,087
2.75%, 02/10/25 (Call 11/10/24)		370		357,298
2.80%, 05/18/23^a		633		626,233
3.70%, 02/10/45 (Call 08/10/44)^a		300		291,579
3.88%, 01/15/21 (Call 10/15/20)		200		206,108
4.15%, 05/18/43		159		165,203
Merck Sharp & Dohme Corp.
5.00%, 06/30/19		392		404,501
Mylan Inc.
5.40%, 11/29/43 (Call 05/29/43)		100		103,727
Mylan NV
3.15%, 06/15/21 (Call 05/15/21)^a		460		455,814
3.95%, 06/15/26 (Call 03/15/26)^a		740		717,437
5.25%, 06/15/46 (Call 12/15/45)^a		515		520,129


Security	Principal (000s)		Value
Novartis Capital Corp.
2.40%, 05/17/22 (Call 04/17/22)	$	895	$	876,151
2.40%, 09/21/22		380		370,093
3.00%, 11/20/25 (Call 08/20/25)		50		48,849
3.10%, 05/17/27 (Call 02/17/27)		655		640,904
3.40%, 05/06/24		286		289,140
4.00%, 11/20/45 (Call 05/20/45)^a		400		407,768
4.40%, 04/24/20		400		414,660
4.40%, 05/06/44		440		476,762
Perrigo Finance Unlimited Co.
3.90%, 12/15/24 (Call 09/15/24)		300		297,924
Pfizer Inc.
1.70%, 12/15/19		230		226,886
2.20%, 12/15/21^a		455		444,963
2.75%, 06/03/26^a		250		237,788
3.00%, 06/15/23		690		689,538
3.00%, 12/15/26		664		642,885
3.40%, 05/15/24		400		404,276
4.00%, 12/15/36		485		499,405
4.13%, 12/15/46^a		384		395,378
4.30%, 06/15/43		6		6,287
4.40%, 05/15/44		7		7,464
7.20%, 03/15/39		521		756,429
Sanofi
4.00%, 03/29/21		350		361,368
Shire Acquisitions Investments Ireland DAC
1.90%, 09/23/19		1,415		1,392,912
2.40%, 09/23/21 (Call 08/23/21)		970		937,039
2.88%, 09/23/23 (Call 07/23/23)		565		541,230
3.20%, 09/23/26 (Call 06/23/26)		1,170		1,089,691
Wyeth LLC
5.95%, 04/01/37		859		1,092,511
6.00%, 02/15/36		325		408,450
6.45%, 02/01/24		420		492,114
6.50%, 02/01/34		7		9,103


Security	Principal (000s)		Value
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)	$	400	$	375,676
3.25%, 02/01/23 (Call 11/01/22)		156		154,704
3.95%, 09/12/47 (Call 03/12/47)		135		128,012
4.50%, 11/13/25 (Call 08/13/25)^a		395		417,479
4.70%, 02/01/43 (Call 08/01/42)		312		331,010

				61,467,731
PIPELINES — 3.01%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
3.50%, 12/01/22 (Call 11/01/22)		15		14,768
5.20%, 12/01/47 (Call 06/01/47)		150		146,313
Boardwalk Pipelines LP
4.45%, 07/15/27 (Call 04/15/27)^a		250		244,670
5.95%, 06/01/26 (Call 03/01/26)		20		21,660
Buckeye Partners LP
3.95%, 12/01/26 (Call 09/01/26)		175		166,989
4.15%, 07/01/23 (Call 04/01/23)		100		100,497
4.88%, 02/01/21 (Call 11/01/20)		100		103,320
5.85%, 11/15/43 (Call 05/15/43)		150		158,000
Columbia Pipeline Group Inc.
4.50%, 06/01/25 (Call 03/01/25)		5		5,154
5.80%, 06/01/45 (Call 12/01/44)		270		313,211
Enable Midstream Partners LP
2.40%, 05/15/19 (Call 04/15/19)		226		223,896
3.90%, 05/15/24 (Call 02/15/24)^a		150		147,689


Security	Principal (000s)		Value
4.40%, 03/15/27 (Call 12/15/26)	$	20	$	19,724
Enbridge Energy Partners LP
4.20%, 09/15/21 (Call 06/15/21)		180		184,403
7.38%, 10/15/45 (Call 04/15/45)		300		392,790
9.88%, 03/01/19		132		140,979
Enbridge Inc.
3.50%, 06/10/24 (Call 03/10/24)^a		220		216,414
3.70%, 07/15/27 (Call 04/15/27)		65		62,735
4.00%, 10/01/23 (Call 07/01/23)		100		101,775
4.25%, 12/01/26 (Call 09/01/26)		150		151,328
4.50%, 06/10/44 (Call 12/10/43)		200		195,242
5.50%, 12/01/46 (Call 05/29/46)^a		300		338,100
Energy Transfer LP
3.60%, 02/01/23 (Call 11/01/22)		440		434,148
4.05%, 03/15/25 (Call 12/15/24)		17		16,730
4.15%, 10/01/20 (Call 08/01/20)		400		408,512
4.65%, 06/01/21 (Call 03/01/21)		202		209,173
4.75%, 01/15/26 (Call 10/15/25)		615		624,871
4.90%, 03/15/35 (Call 09/15/34)		135		129,285
5.15%, 02/01/43 (Call 08/01/42)^a		200		188,854
5.15%, 03/15/45 (Call 09/15/44)		255		239,529
5.20%, 02/01/22 (Call 11/01/21)		150		158,028
5.30%, 04/15/47 (Call 10/15/46)^a		100		96,851
5.95%, 10/01/43 (Call 04/01/43)		50		52,129


Security	Principal (000s)		Value
6.05%, 06/01/41 (Call 12/01/40)	$	356	$	374,551
6.13%, 12/15/45 (Call 06/15/45)		705		751,572
6.50%, 02/01/42 (Call 08/01/41)		120		132,494
9.00%, 04/15/19		290		308,685
9.70%, 03/15/19		111		118,729
Energy Transfer LP/Regency Energy Finance Corp.
5.88%, 03/01/22 (Call 12/01/21)		805		864,506
EnLink Midstream Partners LP
4.15%, 06/01/25 (Call 03/01/25)		350		342,468
4.40%, 04/01/24 (Call 01/01/24)		300		301,662
5.05%, 04/01/45 (Call 10/01/44)		319		302,150
5.45%, 06/01/47 (Call 12/01/46)		25		25,027
Enterprise Products Operating LLC
2.85%, 04/15/21 (Call 03/15/21)		300		297,921
3.35%, 03/15/23 (Call 12/15/22)		360		359,215
3.70%, 02/15/26 (Call 11/15/25)		150		149,283
3.75%, 02/15/25 (Call 11/15/24)		60		60,321
3.95%, 02/15/27 (Call 11/15/26)^a		585		591,166
4.05%, 02/15/22		200		205,824
4.45%, 02/15/43 (Call 08/15/42)		300		296,922
4.85%, 08/15/42 (Call 02/15/42)		491		512,290
4.85%, 03/15/44 (Call 09/15/43)		449		469,870
4.90%, 05/15/46 (Call 11/15/45)		236		249,169
5.10%, 02/15/45 (Call 08/15/44)		574		621,246


Security	Principal (000s)		Value
5.20%, 09/01/20	$	280	$	294,596
5.70%, 02/15/42		20		23,281
5.95%, 02/01/41		300		353,517
6.45%, 09/01/40		100		124,685
7.55%, 04/15/38		250		335,710
Series D
6.88%, 03/01/33		165		207,715
Kinder Morgan Energy Partners LP
3.45%, 02/15/23 (Call 11/15/22)		350		345,957
3.50%, 03/01/21 (Call 01/01/21)		25		25,122
3.50%, 09/01/23 (Call 06/01/23)		200		196,568
3.95%, 09/01/22 (Call 06/01/22)		555		561,976
4.15%, 03/01/22		200		204,418
4.15%, 02/01/24 (Call 11/01/23)		250		252,740
5.00%, 08/15/42 (Call 02/15/42)		10		9,781
5.30%, 09/15/20		480		504,254
5.40%, 09/01/44 (Call 03/01/44)		300		305,583
5.50%, 03/01/44 (Call 09/01/43)		200		206,432
5.80%, 03/15/35		25		27,213
6.50%, 02/01/37		84		95,070
6.55%, 09/15/40		375		432,319
6.95%, 01/15/38		310		377,360
7.30%, 08/15/33		50		61,041
7.50%, 11/15/40		264		333,421
Kinder Morgan Inc./DE
3.05%, 12/01/19 (Call 11/01/19)		370		370,148
3.15%, 01/15/23 (Call 12/15/22)		5		4,899
4.30%, 06/01/25 (Call 03/01/25)		310		313,674
4.30%, 03/01/28 (Call 12/01/27)		500		498,310
5.05%, 02/15/46 (Call 08/15/45)		310		305,031


Security	Principal (000s)		Value
5.30%, 12/01/34 (Call 06/01/34)	$	357	$	366,264
5.55%, 06/01/45 (Call 12/01/44)		1,200		1,260,228
7.75%, 01/15/32		100		127,328
Magellan Midstream Partners LP
4.20%, 10/03/47 (Call 04/03/47)		50		48,148
4.25%, 02/01/21		180		185,443
5.00%, 03/01/26 (Call 12/01/25)		370		400,421
5.15%, 10/15/43 (Call 04/15/43)		250		272,860
MPLX LP
4.13%, 03/01/27 (Call 12/01/26)		405		402,671
4.50%, 04/15/38 (Call 10/15/37)		500		486,955
4.88%, 06/01/25 (Call 03/01/25)^a		406		426,450
5.20%, 03/01/47 (Call 09/01/46)		630		655,553
5.50%, 02/15/23 (Call 04/02/18)		367		377,327
ONEOK Inc.
4.00%, 07/13/27 (Call 04/13/27)^a		115		113,399
4.95%, 07/13/47 (Call 01/06/47)		350		354,574
ONEOK Partners LP
3.38%, 10/01/22 (Call 07/01/22)		400		395,744
5.00%, 09/15/23 (Call 06/15/23)		360		380,894
6.13%, 02/01/41 (Call 08/01/40)		240		276,912
6.65%, 10/01/36		100		120,238
8.63%, 03/01/19		80		84,366
Phillips 66 Partners LP
3.75%, 03/01/28 (Call 12/01/27)^a		395		382,905
4.90%, 10/01/46 (Call 04/01/46)		250		251,968


Security	Principal (000s)		Value
Plains All American Pipeline LP/PAA Finance Corp.
2.60%, 12/15/19 (Call 11/15/19)	$	250	$	246,950
2.85%, 01/31/23 (Call 10/31/22)		200		188,768
3.60%, 11/01/24 (Call 08/01/24)		100		95,452
3.65%, 06/01/22 (Call 03/01/22)		200		197,386
3.85%, 10/15/23 (Call 07/15/23)		221		217,696
4.30%, 01/31/43 (Call 07/31/42)		200		170,406
4.50%, 12/15/26 (Call 09/15/26)^a		405		401,683
4.65%, 10/15/25 (Call 07/15/25)^a		190		191,279
4.90%, 02/15/45 (Call 08/15/44)		200		187,452
5.00%, 02/01/21 (Call 11/01/20)		250		258,878
5.15%, 06/01/42 (Call 12/01/41)		115		110,268
6.65%, 01/15/37		25		28,544
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)^a		370		362,918
5.00%, 03/15/27 (Call 09/15/26)		1,085		1,126,783
5.63%, 04/15/23 (Call 01/15/23)		1,045		1,119,916
5.63%, 03/01/25 (Call 12/01/24)^a		815		877,160
5.88%, 06/30/26 (Call 12/31/25)		275		300,583
6.25%, 03/15/22 (Call 12/15/21)^a		350		381,664
Southern Natural Gas Co. LLC/Southern Natural Issuing Corp.
4.40%, 06/15/21 (Call 03/15/21)		150		154,440


Security	Principal (000s)		Value
Spectra Energy Capital LLC
3.30%, 03/15/23 (Call 03/27/18)	$	207	$	210,637
Spectra Energy Partners LP
3.38%, 10/15/26 (Call 07/15/26)		20		19,053
3.50%, 03/15/25 (Call 12/15/24)^a		150		145,719
4.50%, 03/15/45 (Call 09/15/44)^a		25		24,467
4.75%, 03/15/24 (Call 12/15/23)		256		269,422
Sunoco Logistics Partners Operations LP
3.45%, 01/15/23 (Call 10/15/22)		290		284,035
4.00%, 10/01/27 (Call 07/01/27)		56		53,459
4.40%, 04/01/21 (Call 03/01/21)		50		51,491
4.95%, 01/15/43 (Call 07/15/42)		100		92,585
5.30%, 04/01/44 (Call 10/01/43)		25		24,237
5.35%, 05/15/45 (Call 11/15/44)		490		473,330
5.40%, 10/01/47 (Call 04/01/47)^a		25		24,479
5.95%, 12/01/25 (Call 09/01/25)		170		185,545
6.10%, 02/15/42		300		318,921
TC PipeLines LP
4.38%, 03/13/25 (Call 12/13/24)		150		152,340
4.65%, 06/15/21 (Call 03/15/21)		100		103,189
Tennessee Gas Pipeline Co. LLC
7.00%, 10/15/28		75		89,414
Texas Eastern Transmission LP
7.00%, 07/15/32		225		280,490
TransCanada PipeLines Ltd.
2.50%, 08/01/22^a		475		461,918
3.80%, 10/01/20		255		260,811


Security	Principal (000s)		Value
4.63%, 03/01/34 (Call 12/01/33)	$	487	$	516,332
4.88%, 01/15/26 (Call 10/15/25)		70		76,007
5.85%, 03/15/36		185		222,281
6.20%, 10/15/37		107		133,296
7.63%, 01/15/39^a		265		376,546
Western Gas Partners LP
4.00%, 07/01/22 (Call 04/01/22)		450		451,237
5.45%, 04/01/44 (Call 10/01/43)		37		37,855
Williams Partners LP
3.35%, 08/15/22 (Call 05/15/22)		940		930,280
3.60%, 03/15/22 (Call 01/15/22)		975		977,067
3.75%, 06/15/27 (Call 03/15/27)		500		486,045
3.90%, 01/15/25 (Call 10/15/24)		600		596,094
4.00%, 09/15/25 (Call 06/15/25)		123		122,534
4.30%, 03/04/24 (Call 12/04/23)		430		440,436
4.90%, 01/15/45 (Call 07/15/44)		50		50,300
5.10%, 09/15/45 (Call 03/15/45)		95		98,221
5.25%, 03/15/20		500		521,705
5.40%, 03/04/44 (Call 09/04/43)		33		35,250
5.80%, 11/15/43 (Call 05/15/43)		255		289,402
6.30%, 04/15/40		357		422,099

				44,411,062
REAL ESTATE — 0.08%
Brookfield Asset Management Inc.
4.00%, 01/15/25 (Call 10/15/24)^a		270		270,356
CBRE Services Inc.
4.88%, 03/01/26 (Call 12/01/25)		340		357,490


Security	Principal (000s)		Value
Prologis LP
3.75%, 11/01/25 (Call 08/01/25)	$	139	$	141,323
4.25%, 08/15/23 (Call 05/15/23)		337		352,333

				1,121,502
REAL ESTATE INVESTMENT TRUSTS — 2.48%
Alexandria Real Estate Equities Inc.
4.50%, 07/30/29 (Call 04/30/29)		350		358,141
American Tower Corp.
2.80%, 06/01/20 (Call 05/01/20)		400		397,904
3.00%, 06/15/23		45		43,881
3.13%, 01/15/27 (Call 10/15/26)^a		100		92,660
3.30%, 02/15/21 (Call 01/15/21)		265		265,734
3.38%, 10/15/26 (Call 07/15/26)^a		348		330,182
3.45%, 09/15/21^a		502		505,288
3.55%, 07/15/27 (Call 04/15/27)		115		109,554
3.60%, 01/15/28 (Call 10/15/27)		50		47,570
4.00%, 06/01/25 (Call 03/01/25)		350		350,731
4.40%, 02/15/26 (Call 11/15/25)		55		56,255
4.70%, 03/15/22		260		272,230
5.00%, 02/15/24		356		379,973
5.05%, 09/01/20		100		104,655
AvalonBay Communities Inc.
2.95%, 09/15/22 (Call 06/15/22)		150		148,341
2.95%, 05/11/26 (Call 02/11/26)		340		323,775
3.20%, 01/15/28 (Call 10/15/27)		130		124,788
3.50%, 11/15/24 (Call 08/15/24)		200		200,424


Security	Principal (000s)		Value
3.90%, 10/15/46 (Call 04/15/46)	$	300	$	285,060
Boston Properties LP
2.75%, 10/01/26 (Call 07/01/26)		217		200,590
3.13%, 09/01/23 (Call 06/01/23)		100		98,698
3.65%, 02/01/26 (Call 11/03/25)		246		244,000
3.80%, 02/01/24 (Call 11/01/23)		310		314,780
3.85%, 02/01/23 (Call 11/01/22)		380		389,131
4.13%, 05/15/21 (Call 02/15/21)		175		180,598
5.88%, 10/15/19 (Call 07/17/19)^a		560		584,550
Brandywine Operating Partnership LP
3.95%, 11/15/27 (Call 08/15/27)^a		100		96,456
Brixmor Operating Partnership LP
3.88%, 08/15/22 (Call 06/15/22)		470		473,389
3.90%, 03/15/27 (Call 12/15/26)		645		619,729
Camden Property Trust
2.95%, 12/15/22 (Call 09/15/22)		100		97,892
CBL & Associates LP
4.60%, 10/15/24 (Call 07/15/24)^a		190		155,939
5.25%, 12/01/23 (Call 09/01/23)^a		300		254,808
CC Holdings GS V LLC/Crown Castle GS III Corp.
3.85%, 04/15/23		392		394,713
Columbia Property Trust Operating Partnership LP
3.65%, 08/15/26 (Call 05/15/26)		335		317,804
Crown Castle International Corp.
2.25%, 09/01/21 (Call 08/01/21)		25		24,222


Security	Principal (000s)		Value
3.65%, 09/01/27 (Call 06/01/27)	$	312	$	298,771
4.45%, 02/15/26 (Call 11/15/25)		30		30,629
4.75%, 05/15/47 (Call 11/15/46)		350		351,134
4.88%, 04/15/22		399		419,764
5.25%, 01/15/23		1,183		1,267,868
CubeSmart LP
3.13%, 09/01/26 (Call 06/01/26)^a		30		27,740
DDR Corp.
4.63%, 07/15/22 (Call 04/15/22)^a		205		212,335
Digital Realty Trust LP
4.75%, 10/01/25 (Call 07/01/25)		250		264,485
5.25%, 03/15/21 (Call 12/15/20)		210		221,682
Duke Realty LP
4.38%, 06/15/22 (Call 03/15/22)		330		343,715
EPR Properties
4.50%, 04/01/25 (Call 01/01/25)		250		249,695
5.75%, 08/15/22 (Call 05/15/22)^a		245		262,238
ERP Operating LP
2.85%, 11/01/26 (Call 08/01/26)^a		170		159,962
3.25%, 08/01/27 (Call 05/01/27)		75		72,458
3.50%, 03/01/28 (Call 12/01/27)		100		98,306
4.50%, 07/01/44 (Call 01/01/44)		400		417,028
4.50%, 06/01/45 (Call 12/01/44)		185		193,007
4.63%, 12/15/21 (Call 09/15/21)		25		26,325
4.75%, 07/15/20 (Call 04/15/20)		350		364,448


Security	Principal (000s)		Value
Essex Portfolio LP
3.25%, 05/01/23 (Call 02/01/23)^a	$	70	$	69,161
3.50%, 04/01/25 (Call 01/01/25)		150		147,612
3.63%, 05/01/27 (Call 02/01/27)		350		342,009
3.88%, 05/01/24 (Call 02/01/24)		400		403,772
Federal Realty Investment Trust
4.50%, 12/01/44 (Call 06/01/44)		100		103,279
Government Properties Income Trust
3.75%, 08/15/19 (Call 07/15/19)		170		171,341
HCP Inc.
3.15%, 08/01/22 (Call 05/01/22)		100		99,241
3.40%, 02/01/25 (Call 11/01/24)		145		140,972
3.88%, 08/15/24 (Call 05/17/24)		302		302,586
4.00%, 12/01/22 (Call 10/01/22)^a		840		864,016
4.00%, 06/01/25 (Call 03/01/25)		154		154,561
4.20%, 03/01/24 (Call 12/01/23)		350		357,458
4.25%, 11/15/23 (Call 08/15/23)		416		428,522
5.38%, 02/01/21 (Call 11/03/20)		78		82,483
Healthcare Realty Trust Inc.
3.63%, 01/15/28 (Call 10/15/27)		130		124,911
Healthcare Trust of America Holdings LP
3.75%, 07/01/27 (Call 04/01/27)^a		125		120,654
Hospitality Properties Trust
4.50%, 06/15/23 (Call 12/15/22)		25		25,714


Security	Principal (000s)		Value
5.00%, 08/15/22 (Call 02/15/22)	$	350	$	365,736
5.25%, 02/15/26 (Call 08/15/25)^a		335		349,797
Host Hotels & Resorts LP
4.00%, 06/15/25 (Call 03/15/25)		490		485,418
Series D
3.75%, 10/15/23 (Call 07/15/23)		350		348,124
Series F
4.50%, 02/01/26 (Call 11/01/25)^a		100		101,544
Hudson Pacific Properties LP
3.95%, 11/01/27		250		238,810
Kilroy Realty LP
4.25%, 08/15/29 (Call 05/15/29)		80		79,428
Kimco Realty Corp.
2.80%, 10/01/26 (Call 07/01/26)^a		340		310,355
3.20%, 05/01/21 (Call 03/01/21)		150		150,510
3.30%, 02/01/25 (Call 12/01/24)^a		96		92,487
3.80%, 04/01/27 (Call 01/01/27)		500		489,450
4.25%, 04/01/45 (Call 10/01/44)		197		186,029
4.45%, 09/01/47 (Call 03/01/47)		175		168,212
Liberty Property LP
3.25%, 10/01/26 (Call 07/01/26)		350		334,394
4.40%, 02/15/24 (Call 11/15/23)		350		364,035
4.75%, 10/01/20 (Call 07/01/20)^a		250		260,180
Life Storage LP
3.88%, 12/15/27 (Call 09/15/27)		130		125,847
Lifestorage LP/CA
3.50%, 07/01/26 (Call 04/01/26)		100		95,220


Security	Principal (000s)		Value
National Retail Properties Inc.
3.30%, 04/15/23 (Call 01/15/23)^a	$	186	$	184,306
5.50%, 07/15/21 (Call 04/15/21)		485		516,457
Omega Healthcare Investors Inc.
4.38%, 08/01/23 (Call 06/01/23)		90		89,783
4.50%, 04/01/27 (Call 01/01/27)^a		400		382,152
4.75%, 01/15/28 (Call 10/15/27)^a		405		391,343
5.25%, 01/15/26 (Call 10/15/25)		425		429,615
Physicians Realty LP
3.95%, 01/15/28 (Call 10/15/27)^a		130		124,524
Public Storage
3.09%, 09/15/27 (Call 06/15/27)		100		96,038
Realty Income Corp.
3.25%, 10/15/22 (Call 07/15/22)		460		456,955
3.65%, 01/15/28 (Call 10/15/27)		100		97,664
4.13%, 10/15/26 (Call 07/15/26)		96		97,275
4.65%, 08/01/23 (Call 05/01/23)		50		52,661
4.65%, 03/15/47 (Call 09/15/46)		110		114,688
Regency Centers Corp.
3.75%, 11/15/22 (Call 08/15/22)		255		256,237
Sabra Health Care LP/Sabra Capital Corp.
5.50%, 02/01/21 (Call 04/02/18)		100		102,475
Select Income REIT
3.60%, 02/01/20 (Call 01/01/20)		490		492,024
4.50%, 02/01/25 (Call 11/01/24)^a		100		98,258


Security	Principal (000s)		Value
Simon Property Group LP
2.50%, 09/01/20 (Call 06/01/20)^a	$	485	$	482,585
2.75%, 02/01/23 (Call 11/01/22)		580		566,695
3.30%, 01/15/26 (Call 10/15/25)^a		631		613,597
3.38%, 10/01/24 (Call 07/01/24)		1,480		1,469,906
3.38%, 06/15/27 (Call 03/15/27)^a		150		145,547
4.25%, 10/01/44 (Call 04/01/44)^a		380		378,780
UDR Inc.
2.95%, 09/01/26 (Call 06/01/26)		25		23,214
3.50%, 01/15/28 (Call 10/15/27)		240		232,080
4.63%, 01/10/22 (Call 10/10/21)		250		260,858
Ventas Realty LP
3.25%, 10/15/26 (Call 07/15/26)		345		326,218
3.75%, 05/01/24 (Call 02/01/24)		300		301,143
3.85%, 04/01/27 (Call 01/01/27)		350		343,913
4.13%, 01/15/26 (Call 10/15/25)		120		121,465
4.38%, 02/01/45 (Call 08/01/44)		205		198,879
Ventas Realty LP/Ventas Capital Corp.
4.75%, 06/01/21 (Call 03/01/21)		340		355,297
VEREIT Operating Partnership LP
3.95%, 08/15/27 (Call 05/15/27)		420		398,605
4.88%, 06/01/26 (Call 03/01/26)		85		86,610
Vornado Realty LP
5.00%, 01/15/22 (Call 10/15/21)		200		210,936


Security	Principal (000s)		Value
Welltower Inc.
3.75%, 03/15/23 (Call 12/15/22)	$	20	$	20,308
4.00%, 06/01/25 (Call 03/01/25)		4		4,030
4.13%, 04/01/19 (Call 01/01/19)		900		909,945
4.25%, 04/01/26 (Call 01/01/26)		100		102,110
4.95%, 01/15/21 (Call 10/15/20)		412		430,639
5.25%, 01/15/22 (Call 10/15/21)		246		262,450
Weyerhaeuser Co.
3.25%, 03/15/23 (Call 12/15/22)		310		306,299
4.63%, 09/15/23^a		250		264,883
7.38%, 03/15/32		677		890,248
WP Carey Inc.
4.00%, 02/01/25 (Call 11/01/24)		375		370,159

				36,669,757
RETAIL — 2.27%
Advance Auto Parts Inc.
4.50%, 01/15/22 (Call 10/15/21)^a		350		362,026
AutoNation Inc.
3.35%, 01/15/21 (Call 12/15/20)		205		205,711
3.80%, 11/15/27 (Call 08/15/27)		100		95,333
4.50%, 10/01/25 (Call 07/01/25)		325		329,852
AutoZone Inc.
3.13%, 07/15/23 (Call 04/15/23)		150		147,528
3.25%, 04/15/25 (Call 01/15/25)^a		110		106,247
3.70%, 04/15/22 (Call 01/15/22)		326		330,623
3.75%, 06/01/27 (Call 03/01/27)		355		348,869


Security	Principal (000s)		Value
Bed Bath & Beyond Inc.
3.75%, 08/01/24 (Call 05/01/24)	$	100	$	97,646
4.92%, 08/01/34 (Call 02/01/34)		140		122,056
5.17%, 08/01/44 (Call 02/01/44)^a		375		315,889
Best Buy Co. Inc.
5.50%, 03/15/21 (Call 12/15/20)^a		200		212,580
Costco Wholesale Corp.
1.70%, 12/15/19		495		487,159
2.15%, 05/18/21 (Call 04/18/21)^a		130		127,725
2.25%, 02/15/22		370		360,998
2.30%, 05/18/22 (Call 04/18/22)^a		180		175,356
2.75%, 05/18/24 (Call 03/18/24)		173		168,422
3.00%, 05/18/27 (Call 02/18/27)^a		65		62,804
Darden Restaurants Inc.
3.85%, 05/01/27 (Call 02/01/27)^a		355		349,938
Dollar General Corp.
3.25%, 04/15/23 (Call 01/15/23)		302		299,200
3.88%, 04/15/27 (Call 01/15/27)^a		355		356,747
4.15%, 11/01/25 (Call 08/01/25)^a		210		216,319
Home Depot Inc. (The)
2.00%, 04/01/21 (Call 03/01/21)		420		410,243
2.13%, 09/15/26 (Call 06/15/26)^a		150		135,386
2.63%, 06/01/22 (Call 05/01/22)		445		439,424
2.70%, 04/01/23 (Call 01/01/23)		326		320,037
3.00%, 04/01/26 (Call 01/01/26)^a		510		494,562
3.35%, 09/15/25 (Call 06/15/25)		945		939,500


Security	Principal (000s)		Value
3.75%, 02/15/24 (Call 11/15/23)	$	110	$	113,373
3.90%, 06/15/47 (Call 12/15/46)^a		127		125,075
4.20%, 04/01/43 (Call 10/01/42)^a		400		412,168
4.25%, 04/01/46 (Call 10/01/45)		282		291,743
4.40%, 04/01/21 (Call 01/01/21)		855		893,313
4.40%, 03/15/45 (Call 09/15/44)		369		390,155
4.88%, 02/15/44 (Call 08/15/43)		580		652,744
5.88%, 12/16/36		425		542,347
5.95%, 04/01/41 (Call 10/01/40)		440		563,367
Kohl’s Corp.
4.00%, 11/01/21 (Call 08/01/21)^a		214		217,413
4.25%, 07/17/25 (Call 04/17/25)^a		210		213,492
Lowe’s Companies Inc.
2.50%, 04/15/26 (Call 01/15/26)^a		326		301,221
3.10%, 05/03/27 (Call 02/03/27)^a		596		571,302
3.12%, 04/15/22 (Call 01/15/22)		210		210,974
3.13%, 09/15/24 (Call 06/15/24)		100		98,729
3.38%, 09/15/25 (Call 06/15/25)		275		271,502
3.70%, 04/15/46 (Call 10/15/45)		305		282,210
4.05%, 05/03/47 (Call 11/03/46)^a		522		511,414
4.38%, 09/15/45 (Call 03/15/45)^a		475		489,459
4.63%, 04/15/20 (Call 10/15/19)		152		156,811
4.65%, 04/15/42 (Call 10/15/41)		300		322,260


Security	Principal (000s)		Value
Macy’s Retail Holdings Inc.
2.88%, 02/15/23 (Call 11/15/22)^a	$	200	$	186,554
3.63%, 06/01/24 (Call 03/01/24)^a		200		191,274
3.88%, 01/15/22 (Call 10/15/21)^a		685		685,082
McDonald’s Corp.
2.20%, 05/26/20 (Call 04/26/20)^a		100		98,933
2.63%, 01/15/22		346		340,270
2.75%, 12/09/20 (Call 11/09/20)		610		609,158
3.25%, 06/10/24		130		129,925
3.38%, 05/26/25 (Call 02/26/25)		300		296,937
3.50%, 03/01/27 (Call 12/01/26)		500		491,785
3.63%, 05/20/21		30		30,694
3.70%, 01/30/26 (Call 10/30/25)		560		560,986
3.70%, 02/15/42		195		179,265
4.45%, 03/01/47 (Call 09/01/46)^a		210		215,088
4.70%, 12/09/35 (Call 06/09/35)		200		214,038
4.88%, 12/09/45 (Call 06/09/45)		763		830,258
6.30%, 10/15/37		331		421,889
6.30%, 03/01/38		25		31,971
Nordstrom Inc.
4.00%, 03/15/27 (Call 12/15/26)^a		20		19,562
5.00%, 01/15/44 (Call 07/15/43)		247		238,399
O’Reilly Automotive Inc.
4.63%, 09/15/21 (Call 06/15/21)^a		252		263,547
QVC Inc.
3.13%, 04/01/19		200		200,284
4.38%, 03/15/23		300		299,718
4.85%, 04/01/24		50		50,701
5.13%, 07/02/22		475		491,064


Security	Principal (000s)		Value
5.45%, 08/15/34 (Call 02/15/34)	$	70	$	66,800
Starbucks Corp.
2.10%, 02/04/21 (Call 01/04/21)		230		226,039
2.45%, 06/15/26 (Call 03/15/26)^a		280		260,540
2.70%, 06/15/22 (Call 04/15/22)		200		197,974
3.10%, 03/01/23 (Call 02/01/23)		100		99,819
3.50%, 03/01/28 (Call 12/01/27)		100		99,274
3.75%, 12/01/47 (Call 06/01/47)^a		60		56,866
3.85%, 10/01/23 (Call 07/01/23)		251		260,664
Tapestry Inc.
4.13%, 07/15/27 (Call 04/15/27)^a		305		298,382
Target Corp.
2.50%, 04/15/26^a		705		654,839
2.90%, 01/15/22^a		255		255,360
3.50%, 07/01/24		430		437,202
3.63%, 04/15/46^a		671		613,354
3.90%, 11/15/47 (Call 05/15/47)		500		478,400
4.00%, 07/01/42		250		245,215
TJX Companies Inc. (The)
2.25%, 09/15/26 (Call 06/15/26)		384		347,151
2.50%, 05/15/23 (Call 02/15/23)		300		291,051
2.75%, 06/15/21 (Call 04/15/21)^a		50		49,914
Walgreen Co.
3.10%, 09/15/22		305		299,516
4.40%, 09/15/42^a		100		94,239
Walgreens Boots Alliance Inc.
2.70%, 11/18/19 (Call 10/18/19)		269		268,161
3.30%, 11/18/21 (Call 09/18/21)		300		300,510


Security	Principal (000s)		Value
3.45%, 06/01/26 (Call 03/01/26)	$	825	$	781,531
4.80%, 11/18/44 (Call 05/18/44)		737		735,091
Walmart Inc.
2.55%, 04/11/23 (Call 01/11/23)		565		553,434
2.65%, 12/15/24 (Call 10/15/24)		750		728,595
3.30%, 04/22/24 (Call 01/22/24)		850		858,619
3.63%, 07/08/20		135		138,390
3.63%, 12/15/47 (Call 06/15/47)		275		266,995
4.00%, 04/11/43 (Call 10/11/42)		400		412,096
4.30%, 04/22/44 (Call 10/22/43)^a		400		430,312

				33,532,967
SEMICONDUCTORS — 1.31%
Altera Corp.
4.10%, 11/15/23		250		262,765
Analog Devices Inc.
3.13%, 12/05/23 (Call 10/05/23)^a		310		305,660
3.50%, 12/05/26 (Call 09/05/26)		512		499,983
5.30%, 12/15/45 (Call 06/15/45)^a		100		114,476
Applied Materials Inc.
2.63%, 10/01/20 (Call 09/01/20)		200		199,432
3.30%, 04/01/27 (Call 01/01/27)^a		135		132,203
3.90%, 10/01/25 (Call 07/01/25)		300		308,430
4.30%, 06/15/21		225		234,720
4.35%, 04/01/47 (Call 10/01/46)		390		406,591
5.10%, 10/01/35 (Call 04/01/35)		100		115,431
5.85%, 06/15/41		200		250,708


Security	Principal (000s)		Value
Broadcom Corp./Broadcom Cayman Finance Ltd.
2.38%, 01/15/20	$	565	$	558,096
3.00%, 01/15/22 (Call 12/15/21)		1,120		1,095,539
3.13%, 01/15/25 (Call 11/15/24)		90		84,183
3.63%, 01/15/24 (Call 11/15/23)		785		766,725
3.88%, 01/15/27 (Call 10/15/26)		1,105		1,061,032
Intel Corp.
1.70%, 05/19/21 (Call 04/19/21)		700		677,971
1.85%, 05/11/20		250		246,130
2.35%, 05/11/22 (Call 04/11/22)^a		325		318,009
2.45%, 07/29/20		500		498,395
2.60%, 05/19/26 (Call 02/19/26)		297		279,860
2.70%, 12/15/22		263		259,728
3.10%, 07/29/22		520		523,853
3.15%, 05/11/27 (Call 02/11/27)^a		621		606,816
3.30%, 10/01/21		228		231,969
3.70%, 07/29/25 (Call 04/29/25)^a		520		530,343
3.73%, 12/08/47 (Call 06/08/47)^b		926		888,043
4.10%, 05/19/46 (Call 11/19/45)		171		174,647
4.10%, 05/11/47 (Call 11/11/46)^a		375		383,111
KLA-Tencor Corp.
4.13%, 11/01/21 (Call 09/01/21)		235		241,888
4.65%, 11/01/24 (Call 08/01/24)		415		436,007
Maxim Integrated Products Inc.
3.38%, 03/15/23 (Call 12/15/22)		250		246,988
NVIDIA Corp.
2.20%, 09/16/21 (Call 08/16/21)^a		475		462,374


Security	Principal (000s)		Value
3.20%, 09/16/26 (Call 06/16/26)	$	382	$	370,357
QUALCOMM Inc.
1.85%, 05/20/19		350		346,840
2.10%, 05/20/20		350		343,326
2.25%, 05/20/20		630		618,918
2.60%, 01/30/23 (Call 12/30/22)		520		495,019
2.90%, 05/20/24 (Call 03/20/24)		490		463,202
3.00%, 05/20/22		442		433,019
3.25%, 05/20/27 (Call 02/20/27)^a		495		463,226
3.45%, 05/20/25 (Call 02/20/25)		281		272,154
4.30%, 05/20/47 (Call 11/20/46)^a		640		595,674
4.65%, 05/20/35 (Call 11/20/34)		50		50,615
4.80%, 05/20/45 (Call 11/20/44)		440		441,382
Texas Instruments Inc.
1.65%, 08/03/19		230		227,399
1.75%, 05/01/20 (Call 04/01/20)		274		269,145
2.90%, 11/03/27 (Call 08/03/27)		220		211,017
Xilinx Inc.
2.95%, 06/01/24 (Call 04/01/24)		275		266,247

				19,269,646
SHIPBUILDING — 0.01%
Huntington Ingalls Industries Inc.
3.48%, 12/01/27 (Call 09/01/27)^b		100		97,039

				97,039
SOFTWARE — 2.32%
Activision Blizzard Inc.
3.40%, 09/15/26 (Call 06/15/26)		365		356,477
Adobe Systems Inc.
3.25%, 02/01/25 (Call 11/01/24)		240		238,565


Security	Principal (000s)		Value
4.75%, 02/01/20	$	205	$	213,093
Autodesk Inc.
3.50%, 06/15/27 (Call 03/15/27)		270		257,431
4.38%, 06/15/25 (Call 03/15/25)		195		199,522
Cadence Design Systems Inc.
4.38%, 10/15/24 (Call 07/15/24)		150		154,815
Citrix Systems Inc.
4.50%, 12/01/27 (Call 09/01/27)		100		99,300
Electronic Arts Inc.
3.70%, 03/01/21 (Call 02/01/21)		100		101,895
Fidelity National Information Services Inc.
2.25%, 08/15/21 (Call 07/15/21)		150		145,400
3.00%, 08/15/26 (Call 05/15/26)		535		500,305
3.63%, 10/15/20 (Call 09/15/20)		225		228,353
3.88%, 06/05/24 (Call 03/05/24)^a		200		203,798
4.50%, 08/15/46 (Call 02/15/46)		260		256,022
5.00%, 10/15/25 (Call 07/15/25)		355		380,670
Fiserv Inc.
3.50%, 10/01/22 (Call 07/01/22)		162		163,623
4.75%, 06/15/21		100		105,268
Microsoft Corp.
1.10%, 08/08/19		575		564,903
1.55%, 08/08/21 (Call 07/08/21)		770		739,446
1.85%, 02/12/20 (Call 01/12/20)^a		745		736,812
2.00%, 11/03/20 (Call 10/03/20)		420		413,141
2.00%, 08/08/23 (Call 06/08/23)		450		426,244
2.13%, 11/15/22^a		300		289,737


Security	Principal (000s)		Value
2.38%, 02/12/22 (Call 01/12/22)	$	575	$	564,075
2.38%, 05/01/23 (Call 02/01/23)		440		426,558
2.40%, 02/06/22 (Call 01/06/22)		655		643,433
2.40%, 08/08/26 (Call 05/08/26)		606		562,623
2.65%, 11/03/22 (Call 09/03/22)		485		478,341
2.70%, 02/12/25 (Call 11/12/24)		70		67,626
2.88%, 02/06/24 (Call 12/06/23)		510		501,218
3.00%, 10/01/20^a		380		384,347
3.13%, 11/03/25 (Call 08/03/25)		345		340,581
3.30%, 02/06/27 (Call 11/06/26)		1,874		1,857,171
3.45%, 08/08/36 (Call 02/08/36)		1,169		1,133,860
3.50%, 02/12/35 (Call 08/12/34)		405		397,216
3.50%, 11/15/42		350		333,228
3.63%, 12/15/23 (Call 09/15/23)		100		102,699
3.70%, 08/08/46 (Call 02/08/46)^a		810		787,790
3.75%, 05/01/43 (Call 11/01/42)		60		59,243
3.75%, 02/12/45 (Call 08/12/44)		72		70,755
3.95%, 08/08/56 (Call 02/08/56)		300		299,295
4.00%, 02/12/55 (Call 08/12/54)		435		434,852
4.10%, 02/06/37 (Call 08/06/36)		190		199,793
4.20%, 06/01/19		222		227,059
4.20%, 11/03/35 (Call 05/03/35)		250		266,482
4.45%, 11/03/45 (Call 05/03/45)		1,600		1,754,928


Security	Principal (000s)		Value
4.75%, 11/03/55 (Call 05/03/55)	$	460	$	524,170
5.20%, 06/01/39		150		178,748
5.30%, 02/08/41		842		1,022,306
Series 30Y
4.25%, 02/06/47 (Call 08/06/46)		555		592,096
Oracle Corp.
1.90%, 09/15/21 (Call 08/15/21)		735		710,275
2.25%, 10/08/19		1,500		1,495,290
2.40%, 09/15/23 (Call 07/15/23)		78		74,435
2.50%, 05/15/22 (Call 03/15/22)		1,562		1,528,433
2.50%, 10/15/22		450		439,092
2.63%, 02/15/23 (Call 01/15/23)^a		100		97,669
2.65%, 07/15/26 (Call 04/15/26)		415		387,921
2.80%, 07/08/21		345		344,303
2.95%, 11/15/24 (Call 09/15/24)		508		493,278
2.95%, 05/15/25 (Call 02/15/25)^a		205		198,510
3.25%, 11/15/27 (Call 08/15/27)		611		593,910
3.25%, 05/15/30 (Call 02/15/30)^a		525		503,176
3.63%, 07/15/23		250		255,423
3.80%, 11/15/37 (Call 05/15/37)		430		424,840
3.85%, 07/15/36 (Call 01/15/36)^a		255		254,691
3.88%, 07/15/20^a		100		102,864
3.90%, 05/15/35 (Call 11/15/34)		515		517,354
4.00%, 07/15/46 (Call 01/15/46)		609		600,645
4.00%, 11/15/47 (Call 05/15/47)		560		554,064
4.13%, 05/15/45 (Call 11/15/44)		100		100,705


Security	Principal (000s)		Value
4.30%, 07/08/34 (Call 01/08/34)	$	708	$	745,920
4.38%, 05/15/55 (Call 11/15/54)^a		400		415,560
4.50%, 07/08/44 (Call 01/08/44)^a		507		540,264
5.00%, 07/08/19		182		187,933
5.38%, 07/15/40^a		349		421,770
6.13%, 07/08/39^a		308		402,846
6.50%, 04/15/38^a		315		426,614
VMware Inc.
2.95%, 08/21/22 (Call 07/21/22)		66		63,614
3.90%, 08/21/27 (Call 05/21/27)		460		437,143

				34,303,855
TELECOMMUNICATIONS — 4.32%
America Movil SAB de CV
3.13%, 07/16/22		250		247,498
4.38%, 07/16/42^a		450		453,092
5.00%, 10/16/19		265		274,331
6.13%, 11/15/37		200		239,008
6.13%, 03/30/40		550		662,607
AT&T Inc.
2.30%, 03/11/19^a		200		199,570
2.45%, 06/30/20 (Call 05/30/20)		660		652,912
2.63%, 12/01/22 (Call 09/01/22)		417		402,601
2.80%, 02/17/21 (Call 01/17/21)		390		386,786
2.85%, 02/14/23 (Call 01/14/23)^a		450		446,913
3.00%, 06/30/22 (Call 04/30/22)		605		594,473
3.20%, 03/01/22 (Call 02/01/22)		300		298,092
3.40%, 08/14/24 (Call 06/14/24)		570		566,312
3.40%, 05/15/25 (Call 02/15/25)		580		557,937
3.60%, 02/17/23 (Call 12/17/22)^a		430		431,088


Security	Principal (000s)		Value
3.80%, 03/15/22	$	360	$	365,738
3.80%, 03/01/24 (Call 01/01/24)		810		811,652
3.88%, 08/15/21		686		700,269
3.90%, 03/11/24 (Call 12/11/23)		600		604,698
3.90%, 08/14/27 (Call 05/14/27)^a		1,060		1,053,873
3.95%, 01/15/25 (Call 10/15/24)		300		299,685
4.10%, 02/15/28 (Call 11/15/27)^b		843		826,115
4.13%, 02/17/26 (Call 11/17/25)		130		130,068
4.25%, 03/01/27 (Call 12/01/26)^a		500		501,150
4.30%, 02/15/30 (Call 11/15/29)^b		409		398,914
4.30%, 12/15/42 (Call 06/15/42)		500		455,345
4.35%, 06/15/45 (Call 12/15/44)		1,250		1,120,312
4.45%, 05/15/21		284		294,911
4.50%, 05/15/35 (Call 11/15/34)		295		284,837
4.50%, 03/09/48 (Call 09/09/47)		1,128		1,027,664
4.55%, 03/09/49 (Call 09/09/48)		837		765,144
4.75%, 05/15/46 (Call 11/15/45)		911		860,649
4.80%, 06/15/44 (Call 12/15/43)		390		373,172
4.90%, 08/14/37 (Call 02/14/37)		1,050		1,052,236
5.15%, 03/15/42		236		238,497
5.15%, 11/15/46 (Call 05/15/46)^a,b		1,236		1,236,457
5.15%, 02/14/50 (Call 08/14/49)		990		987,040
5.20%, 03/15/20		500		522,555
5.25%, 03/01/37 (Call 09/01/36)		970		1,005,027


Security	Principal (000s)		Value
5.30%, 08/14/58 (Call 02/14/58)	$	550	$	548,999
5.35%, 09/01/40		300		309,084
5.45%, 03/01/47 (Call 09/01/46)		1,100		1,146,486
5.55%, 08/15/41		218		232,630
5.65%, 02/15/47 (Call 08/15/46)		400		426,764
5.70%, 03/01/57 (Call 09/01/56)		470		501,424
5.88%, 10/01/19		400		418,936
6.00%, 08/15/40 (Call 05/15/40)^a		240		266,441
6.38%, 03/01/41^a		267		311,552
British Telecommunications PLC
9.13%, 12/15/30		157		227,813
Cisco Systems Inc.
1.85%, 09/20/21 (Call 08/20/21)		975		940,709
2.13%, 03/01/19		600		598,200
2.20%, 02/28/21		705		692,416
2.20%, 09/20/23 (Call 07/20/23)^a		440		420,046
2.45%, 06/15/20		330		328,000
2.50%, 09/20/26 (Call 06/20/26)		400		373,556
2.60%, 02/28/23		300		293,376
2.95%, 02/28/26		390		378,144
3.00%, 06/15/22		20		20,007
3.50%, 06/15/25^a		300		304,533
3.63%, 03/04/24		315		322,484
4.45%, 01/15/20		467		482,789
5.50%, 01/15/40		248		309,018
5.90%, 02/15/39		220		285,974
Deutsche Telekom International Finance BV
8.75%, 06/15/30		471		673,233
Juniper Networks Inc.
4.35%, 06/15/25 (Call 03/15/25)		150		151,286
5.95%, 03/15/41^a		155		161,104
Koninklijke KPN NV
8.38%, 10/01/30		200		265,632


Security	Principal (000s)		Value
Motorola Solutions Inc.
3.50%, 03/01/23	$	100	$	98,040
3.75%, 05/15/22		517		517,212
Orange SA
1.63%, 11/03/19		300		294,312
5.38%, 01/13/42		250		288,790
5.50%, 02/06/44 (Call 08/06/43)		260		302,695
9.00%, 03/01/31		741		1,090,055
Rogers Communications Inc.
3.63%, 12/15/25 (Call 09/15/25)		450		448,344
4.50%, 03/15/43 (Call 09/15/42)		400		405,604
5.00%, 03/15/44 (Call 09/15/43)		328		359,199
7.50%, 08/15/38		50		68,158
Telefonica Emisiones SAU
4.10%, 03/08/27		500		495,475
4.57%, 04/27/23^a		300		317,220
4.67%, 03/06/38		210		210,076
5.21%, 03/08/47^a		835		875,422
5.46%, 02/16/21		306		325,722
5.88%, 07/15/19^a		210		218,482
7.05%, 06/20/36		308		392,019
Telefonica Europe BV
8.25%, 09/15/30		270		369,023
TELUS Corp.
2.80%, 02/16/27 (Call 11/16/26)		445		409,026
Verizon Communications Inc.
1.75%, 08/15/21		300		287,061
2.45%, 11/01/22 (Call 08/01/22)		470		451,632
2.63%, 08/15/26^a		550		501,226
2.95%, 03/15/22^a		1,000		986,720
3.00%, 11/01/21 (Call 09/01/21)		800		795,760
3.13%, 03/16/22		190		188,908
3.38%, 02/15/25		888		866,075
3.50%, 11/01/21		403		407,909
3.50%, 11/01/24 (Call 08/01/24)		1,234		1,224,918
3.85%, 11/01/42 (Call 05/01/42)		775		674,575


Security	Principal (000s)		Value
4.13%, 03/16/27	$	860	$	873,382
4.13%, 08/15/46		710		633,995
4.15%, 03/15/24 (Call 12/15/23)		375		386,104
4.27%, 01/15/36		250		239,873
4.40%, 11/01/34 (Call 05/01/34)		851		834,695
4.52%, 09/15/48		1,300		1,228,552
4.60%, 04/01/21		40		41,892
4.67%, 03/15/55		1,030		962,174
4.81%, 03/15/39		793		798,527
4.86%, 08/21/46		970		966,139
5.01%, 04/15/49		1,036		1,050,722
5.01%, 08/21/54		1,305		1,285,020
5.15%, 09/15/23		2,085		2,259,243
5.25%, 03/16/37		550		585,101
5.50%, 03/16/47		525		574,502
6.55%, 09/15/43		771		965,423
Vodafone Group PLC
2.50%, 09/26/22		455		439,935
2.95%, 02/19/23		608		596,478
4.38%, 02/19/43		442		423,710
5.45%, 06/10/19		450		465,278
6.15%, 02/27/37		455		544,999
6.25%, 11/30/32		67		78,735

				63,824,001
TEXTILES — 0.06%
Cintas Corp. No. 2
2.90%, 04/01/22 (Call 03/01/22)		25		24,751
3.25%, 06/01/22 (Call 03/01/22)		100		100,251
3.70%, 04/01/27 (Call 01/01/27)		450		449,654
Mohawk Industries Inc.
3.85%, 02/01/23 (Call 11/01/22)		250		254,570

				829,226
TOYS, GAMES & HOBBIES — 0.03%
Hasbro Inc.
3.15%, 05/15/21 (Call 03/15/21)		55		54,920
3.50%, 09/15/27 (Call 06/15/27)		375		354,716

				409,636


Security	Principal (000s)		Value
TRANSPORTATION — 1.63%
Burlington Northern Santa Fe LLC
3.00%, 03/15/23 (Call 12/15/22)	$	320	$	318,352
3.00%, 04/01/25 (Call 01/01/25)		100		97,597
3.05%, 03/15/22 (Call 12/15/21)		162		162,593
3.05%, 09/01/22 (Call 06/01/22)		385		385,173
3.25%, 06/15/27 (Call 03/15/27)		25		24,629
3.45%, 09/15/21 (Call 06/15/21)		300		305,394
3.65%, 09/01/25 (Call 06/01/25)		210		212,841
3.75%, 04/01/24 (Call 01/01/24)		481		495,093
3.85%, 09/01/23 (Call 06/01/23)^a		326		337,283
3.90%, 08/01/46 (Call 02/01/46)		350		342,783
4.13%, 06/15/47 (Call 12/15/46)^a		80		81,033
4.15%, 04/01/45 (Call 10/01/44)		200		202,492
4.38%, 09/01/42 (Call 03/01/42)^a		280		293,247
4.40%, 03/15/42 (Call 09/15/41)		300		314,142
4.45%, 03/15/43 (Call 09/15/42)		200		211,610
4.55%, 09/01/44 (Call 03/01/44)		340		363,395
4.90%, 04/01/44 (Call 10/01/43)		296		333,047
5.15%, 09/01/43 (Call 03/01/43)		100		115,247
5.40%, 06/01/41 (Call 12/01/40)^a		300		353,964
5.75%, 05/01/40 (Call 11/01/39)		142		174,129
6.15%, 05/01/37		37		46,994


Security	Principal (000s)		Value
Canadian National Railway Co.
2.40%, 02/03/20	$	205	$	204,291
2.95%, 11/21/24 (Call 08/21/24)		350		343,360
3.20%, 08/02/46 (Call 02/02/46)^a		65		58,066
3.65%, 02/03/48 (Call 08/03/47)		100		95,824
5.55%, 03/01/19		120		123,407
6.38%, 11/15/37		250		333,672
Canadian Pacific Railway Co.
2.90%, 02/01/25 (Call 11/01/24)		315		302,765
4.80%, 09/15/35 (Call 03/15/35)		245		270,250
4.80%, 08/01/45 (Call 02/01/45)		25		27,847
5.95%, 05/15/37		152		189,111
7.13%, 10/15/31		475		618,212
CSX Corp.
2.60%, 11/01/26 (Call 08/01/26)		52		47,557
3.25%, 06/01/27 (Call 03/01/27)		231		220,792
3.35%, 11/01/25 (Call 08/01/25)^a		400		392,684
3.40%, 08/01/24 (Call 05/01/24)		250		249,138
3.70%, 10/30/20 (Call 07/30/20)		200		204,186
3.70%, 11/01/23 (Call 08/01/23)		310		315,255
3.80%, 11/01/46 (Call 05/01/46)^a		405		369,955
3.95%, 05/01/50 (Call 11/01/49)		350		321,062
4.10%, 03/15/44 (Call 09/15/43)		377		361,739
4.25%, 06/01/21 (Call 03/01/21)		130		134,593
4.40%, 03/01/43 (Call 09/01/42)		300		301,323
4.75%, 05/30/42 (Call 11/30/41)		325		341,237


Security	Principal (000s)		Value
5.50%, 04/15/41 (Call 10/15/40)	$	50	$	57,408
6.00%, 10/01/36		50		60,865
6.15%, 05/01/37		152		188,010
6.22%, 04/30/40		100		124,959
FedEx Corp.
2.63%, 08/01/22		335		328,581
3.30%, 03/15/27 (Call 12/15/26)^a		90		87,561
3.88%, 08/01/42		50		46,800
4.00%, 01/15/24		701		725,745
4.40%, 01/15/47 (Call 07/15/46)		645		639,698
4.55%, 04/01/46 (Call 10/01/45)		515		523,940
4.75%, 11/15/45 (Call 05/15/45)		303		316,044
5.10%, 01/15/44		200		218,954
JB Hunt Transport Services Inc.
3.30%, 08/15/22 (Call 06/15/22)		250		249,595
Kansas City Southern
3.00%, 05/15/23 (Call 02/15/23)		300		290,715
4.95%, 08/15/45 (Call 02/15/45)^a		200		214,742
Norfolk Southern Corp.
2.90%, 06/15/26 (Call 03/15/26)^a		90		85,329
3.00%, 04/01/22 (Call 01/01/22)		330		328,944
3.15%, 06/01/27 (Call 03/01/27)		15		14,397
3.25%, 12/01/21 (Call 09/01/21)		30		30,224
3.94%, 11/01/47 (Call 05/01/47)^a,b		217		209,602
3.95%, 10/01/42 (Call 04/01/42)		50		48,371
4.45%, 06/15/45 (Call 12/15/44)		260		269,456
4.65%, 01/15/46 (Call 07/15/45)^a		270		288,309


Security	Principal (000s)		Value
4.84%, 10/01/41	$	237	$	259,788
5.90%, 06/15/19		282		293,503
Ryder System Inc.
3.40%, 03/01/23 (Call 02/01/23)		240		239,683
Union Pacific Corp.
2.25%, 06/19/20 (Call 05/19/20)		700		694,267
2.75%, 03/01/26 (Call 12/01/25)		450		428,467
3.00%, 04/15/27 (Call 01/15/27)		350		337,879
3.25%, 08/15/25 (Call 05/15/25)		300		297,696
3.38%, 02/01/35 (Call 08/01/34)		300		284,739
3.80%, 10/01/51 (Call 04/01/51)		325		311,077
3.88%, 02/01/55 (Call 08/01/54)		350		330,572
4.00%, 04/15/47 (Call 10/15/46)^a		250		251,465
4.10%, 09/15/67 (Call 03/15/67)		105		101,423
4.15%, 01/15/45 (Call 07/15/44)		300		307,299
4.16%, 07/15/22 (Call 04/15/22)		350		365,305
4.38%, 11/15/65 (Call 05/15/65)		170		172,936
4.75%, 09/15/41 (Call 03/15/41)		100		110,657
United Parcel Service Inc.
2.05%, 04/01/21^a		140		137,375
2.40%, 11/15/26 (Call 08/15/26)		105		96,719
2.45%, 10/01/22		495		482,843
3.05%, 11/15/27 (Call 08/15/27)		256		245,563
3.13%, 01/15/21^a		506		511,465
3.40%, 11/15/46 (Call 05/15/46)^a		240		215,470
3.75%, 11/15/47 (Call 05/15/47)		60		57,373


Security	Principal (000s)		Value
4.88%, 11/15/40 (Call 05/15/40)	$	50	$	56,225
5.13%, 04/01/19		537		552,138
6.20%, 01/15/38		406		528,267

				24,015,807
TRUCKING & LEASING — 0.03%
GATX Corp.
3.50%, 03/15/28 (Call 12/15/27)		130		123,224
4.85%, 06/01/21^a		150		157,655
5.20%, 03/15/44 (Call 09/15/43)^a		150		163,545

				444,424
WATER — 0.08%
American Water Capital Corp.
2.95%, 09/01/27 (Call 06/01/27)		135		128,548
3.40%, 03/01/25 (Call 12/01/24)		50		49,881
3.75%, 09/01/47 (Call 03/01/47)		200		192,434
3.85%, 03/01/24 (Call 12/01/23)		120		123,454
6.59%, 10/15/37		352		471,595
United Utilities PLC
6.88%, 08/15/28		150		180,369

				1,146,281

TOTAL CORPORATE BONDS & NOTES
(Cost: $1,284,358,313)				1,263,679,371

FOREIGN GOVERNMENT OBLIGATIONS^g — 10.79%

CANADA — 1.04%
Export Development Canada
1.50%, 05/26/21^a		530		511,540
1.63%, 12/03/19		225		222,100
1.63%, 01/17/20		1,390		1,370,637
1.75%, 07/21/20		80		78,641
Hydro-Quebec
8.05%, 07/07/24		435		545,860
Province of Alberta Canada
1.90%, 12/06/19^a		925		915,065
2.20%, 07/26/22		125		121,029


Security	Principal (000s)		Value
Province of British Columbia Canada
2.00%, 10/23/22	$	210	$	201,779
2.25%, 06/02/26		640		597,594
2.65%, 09/22/21		455		453,462
7.25%, 09/01/36		50		74,922
Province of Manitoba Canada
1.75%, 05/30/19		100		99,196
2.05%, 11/30/20		100		98,156
2.10%, 09/06/22		720		692,813
2.13%, 06/22/26		50		45,725
3.05%, 05/14/24^a		350		348,092
Province of Ontario Canada
1.65%, 09/27/19^a		200		197,572
1.88%, 05/21/20		640		630,202
2.25%, 05/18/22		250		243,002
2.40%, 02/08/22		315		308,725
2.45%, 06/29/22		100		97,893
2.50%, 09/10/21^a		1,000		988,000
2.50%, 04/27/26		675		639,272
3.20%, 05/16/24		415		416,017
4.00%, 10/07/19		1,400		1,433,586
4.40%, 04/14/20		320		331,894
Province of Quebec Canada
2.38%, 01/31/22^a		315		308,996
2.50%, 04/20/26^a		110		104,444
2.63%, 02/13/23		320		314,358
2.75%, 08/25/21		75		74,848
2.75%, 04/12/27^a		825		793,378
2.88%, 10/16/24		860		845,879
3.50%, 07/29/20		950		969,171
7.50%, 09/15/29^a		165		226,312

				15,300,160
CHILE — 0.15%
Chile Government International Bond
2.25%, 10/30/22^a		695		667,089
3.13%, 03/27/25		300		294,297
3.13%, 01/21/26		500		487,960
3.86%, 06/21/47^a		250		237,640
3.88%, 08/05/20		545		558,205

				2,245,191


Security	Principal (000s)		Value
COLOMBIA — 0.62%
Colombia Government International Bond
2.63%, 03/15/23 (Call 12/15/22)	$	500	$	477,460
3.88%, 04/25/27 (Call 01/25/27)		750		731,933
4.00%, 02/26/24 (Call 11/26/23)		445		447,537
4.38%, 07/12/21		400		414,472
4.50%, 01/28/26 (Call 10/28/25)^a		1,500		1,545,255
5.00%, 06/15/45 (Call 12/15/44)^a		1,150		1,145,273
5.63%, 02/26/44 (Call 08/26/43)		200		216,334
6.13%, 01/18/41^a		210		239,677
7.38%, 03/18/19^a		550		574,767
7.38%, 09/18/37^a		950		1,213,349
8.13%, 05/21/24		530		651,322
10.38%, 01/28/33^a		150		236,973
11.75%, 02/25/20^a		1,095		1,278,467

				9,172,819
GERMANY — 0.12%
FMS Wertmanagement AoeR
1.38%, 06/08/21		1,280		1,228,467
1.75%, 01/24/20		540		533,234

				1,761,701
HUNGARY — 0.25%
Hungary Government International Bond
5.38%, 02/21/23^a		850		920,465
5.38%, 03/25/24^a		750		820,162
5.75%, 11/22/23		750		831,540
6.38%, 03/29/21		830		906,883
7.63%, 03/29/41^a		200		290,206

				3,769,256
ISRAEL — 0.09%
Israel Government International Bond
2.88%, 03/16/26		750		719,280
4.00%, 06/30/22		300		310,983
4.50%, 01/30/43		200		205,186


Security	Principal (000s)		Value
5.13%, 03/26/19	$	30	$	30,878

				1,266,327
ITALY — 0.08%
Republic of Italy Government International Bond
5.38%, 06/15/33		490		559,859
6.88%, 09/27/23		595		692,664

				1,252,523
JAPAN — 0.49%
Japan Bank for International Cooperation
1.75%, 05/28/20		650		636,883
Japan Bank for International Cooperation
1.75%, 05/29/19		450		445,964
Japan Bank for International Cooperation
1.50%, 07/21/21		300		286,704
1.88%, 04/20/21		1,000		972,930
1.88%, 07/21/26^a		1,000		901,400
2.13%, 11/16/20^a		300		294,945
2.13%, 02/10/25		400		374,128
2.25%, 11/04/26		1,200		1,112,208
2.38%, 11/16/22		500		485,915
2.38%, 04/20/26		1,000		939,890
2.75%, 01/21/26		200		193,950
2.75%, 11/16/27		350		335,524
3.38%, 07/31/23		200		202,868

				7,183,309
MEXICO — 0.85%
Mexico Government International Bond
3.60%, 01/30/25		1,100		1,078,880
3.63%, 03/15/22		1,470		1,496,195
4.00%, 10/02/23^a		700		713,622
4.13%, 01/21/26^a		1,450		1,464,036
4.15%, 03/28/27^a		1,700		1,699,116
4.35%, 01/15/47		250		227,190
4.60%, 01/23/46		500		468,115
4.60%, 02/10/48^a		350		328,633
4.75%, 03/08/44		1,050		1,009,701
5.55%, 01/21/45		1,525		1,637,225
5.75%, 10/12/10		330		333,135


Security	Principal (000s)		Value
6.05%, 01/11/40^a	$	1,200	$	1,350,108
6.75%, 09/27/34		375		464,741
7.50%, 04/08/33		200		263,978

				12,534,675
PANAMA — 0.24%
Panama Government International Bond
4.00%, 09/22/24 (Call 06/22/24)		1,050		1,082,435
5.20%, 01/30/20		605		631,668
6.70%, 01/26/36		770		980,187
8.88%, 09/30/27		300		420,639
9.38%, 04/01/29^a		275		402,531

				3,517,460
PERU — 0.23%
Peruvian Government International Bond
4.13%, 08/25/27^a		550		571,202
5.63%, 11/18/50^a		520		623,527
6.55%, 03/14/37^a		165		212,992
7.13%, 03/30/19		375		393,907
7.35%, 07/21/25^a		600		748,260
8.75%, 11/21/33		555		838,228

				3,388,116
PHILIPPINES — 0.45%
Philippine Government International Bond
3.70%, 03/01/41^a		250		235,785
3.95%, 01/20/40^a		1,750		1,712,445
4.00%, 01/15/21		1,030		1,055,297
5.00%, 01/13/37		300		334,848
5.50%, 03/30/26		200		226,342
6.38%, 01/15/32		200		247,584
6.38%, 10/23/34^a		1,200		1,521,216
6.50%, 01/20/20		750		798,825
8.38%, 06/17/19		350		375,347
10.63%, 03/16/25		130		187,174

				6,694,863
POLAND — 0.27%
Republic of Poland Government International Bond
3.00%, 03/17/23		550		543,846
3.25%, 04/06/26		575		568,491


Security	Principal (000s)		Value
4.00%, 01/22/24^a	$	800	$	829,560
5.00%, 03/23/22		855		913,969
5.13%, 04/21/21		550		585,216
6.38%, 07/15/19		575		604,969

				4,046,051
SOUTH KOREA — 0.34%
Export-Import Bank of Korea
1.88%, 10/21/21		500		476,430
2.25%, 01/21/20		200		197,266
2.38%, 04/21/27		200		178,810
2.50%, 05/10/21		750		734,250
2.63%, 05/26/26		200		184,352
2.88%, 01/21/25		300		284,625
3.25%, 11/10/25^a		300		290,316
3.25%, 08/12/26		400		385,796
4.00%, 01/29/21		235		240,525
4.38%, 09/15/21		450		466,870
5.00%, 04/11/22		500		529,965
5.13%, 06/29/20		120		125,521
Korea International Bond
3.88%, 09/11/23^a		250		258,553
4.13%, 06/10/44^a		250		270,530
7.13%, 04/16/19		350		367,003

				4,990,812
SUPRANATIONAL — 5.19%
African Development Bank
1.13%, 03/04/19		500		494,510
1.25%, 07/26/21		1,120		1,068,950
1.88%, 03/16/20		120		118,688
2.38%, 09/23/21^a		559		553,365
Asian Development Bank
1.00%, 08/16/19		1,040		1,020,417
1.38%, 03/23/20^a		255		249,729
1.50%, 01/22/20		115		113,091
1.63%, 08/26/20^a		850		832,261
1.63%, 03/16/21		190		184,600
1.75%, 03/21/19		900		895,374
1.75%, 01/10/20		2,330		2,302,925
1.75%, 06/08/21		165		160,372
1.75%, 09/13/22		1,000		956,080
2.00%, 02/16/22		1,800		1,751,760
2.00%, 01/22/25^a		765		720,079
2.00%, 04/24/26		1,300		1,207,570


Security	Principal (000s)		Value
2.63%, 01/12/27^a	$	200	$	193,840
Corp. Andina de Fomento
2.13%, 09/27/21		700		678,902
4.38%, 06/15/22		509		534,455
Council of Europe Development Bank
1.50%, 05/17/19		130		128,759
1.63%, 03/16/21		1,000		970,640
European Bank for Reconstruction & Development
1.13%, 08/24/20		570		551,002
1.50%, 11/02/21		350		335,454
1.63%, 05/05/20		1,180		1,159,456
1.75%, 06/14/19^a		1,750		1,738,135
1.88%, 02/23/22		100		96,865
European Investment Bank
1.13%, 08/15/19		250		245,743
1.25%, 05/15/19		125		123,491
1.25%, 12/16/19		1,350		1,323,189
1.38%, 06/15/20^a		4,250		4,144,515
1.38%, 09/15/21		1,500		1,433,925
1.63%, 12/15/20		450		438,399
1.63%, 06/15/21		1,000		967,480
1.75%, 06/17/19^a		1,600		1,589,008
1.75%, 05/15/20^a		1,300		1,279,603
1.88%, 03/15/19		800		797,064
1.88%, 02/10/25^a		710		661,131
2.00%, 03/15/21		1,550		1,521,325
2.13%, 10/15/21		30		29,411
2.13%, 04/13/26^a		250		234,293
2.25%, 03/15/22		1,350		1,324,174
2.25%, 08/15/22		1,955		1,909,448
2.38%, 06/15/22		975		959,000
2.38%, 05/24/27^a		110		104,136
2.50%, 04/15/21		725		722,071
2.50%, 10/15/24		475		462,379
2.88%, 09/15/20		830		836,607
3.25%, 01/29/24^a		215		218,752
4.00%, 02/16/21		455		472,991
4.88%, 02/15/36		410		505,124
Inter-American Development Bank
1.00%, 05/13/19		425		418,672
1.25%, 09/14/21		250		238,135


Security	Principal (000s)		Value
1.63%, 05/12/20^a	$	2,360	$	2,318,747
1.75%, 10/15/19^a		1,000		990,710
1.75%, 04/14/22		160		153,906
1.75%, 09/14/22		335		320,327
1.88%, 06/16/20		1,063		1,049,138
1.88%, 03/15/21		1,780		1,742,478
2.00%, 06/02/26		250		231,970
2.13%, 11/09/20		345		341,208
2.13%, 01/15/25		420		398,462
2.38%, 07/07/27		65		61,560
3.00%, 10/04/23		250		251,495
3.00%, 02/21/24		1,820		1,828,063
3.20%, 08/07/42		350		339,500
3.88%, 02/14/20		600		616,692
4.38%, 01/24/44		300		350,004
International Bank for Reconstruction & Development
0.88%, 08/15/19		1,500		1,469,400
1.25%, 07/26/19^a		1,500		1,478,355
1.38%, 03/30/20		1,700		1,664,283
1.38%, 05/24/21		365		351,108
1.38%, 09/20/21		545		521,391
1.63%, 09/04/20^a		1,380		1,350,551
1.63%, 03/09/21^a		3,195		3,106,946
1.63%, 02/10/22^a		1,000		960,040
1.75%, 04/19/23^a		312		295,963
1.88%, 03/15/19		400		398,640
1.88%, 10/07/19		360		357,437
1.88%, 04/21/20		875		864,946
1.88%, 10/07/22		30		28,840
1.88%, 10/27/26		185		169,033
2.00%, 01/26/22^a		2,680		2,610,642
2.13%, 02/13/23		165		159,748
2.13%, 03/03/25		755		716,789
2.25%, 06/24/21		1,035		1,022,911
2.50%, 11/25/24		520		505,944
2.50%, 07/29/25		1,250		1,211,387
4.75%, 02/15/35		200		243,614
7.63%, 01/19/23^a		510		620,543
International Finance Corp.
1.63%, 07/16/20		565		553,706
1.75%, 09/16/19		1,345		1,333,231
2.13%, 04/07/26		631		591,922


Security	Principal (000s)		Value
Nordic Investment Bank
2.13%, 02/01/22	$	1,000	$	978,330

				76,537,305
SWEDEN — 0.16%
Svensk Exportkredit AB
1.13%, 08/28/19		500		490,715
1.75%, 05/18/20		750		737,520
1.75%, 03/10/21^a		200		194,534
1.88%, 06/17/19		300		298,155
1.88%, 06/23/20		250		246,168
2.38%, 03/09/22^a		400		393,156

				2,360,248
URUGUAY — 0.22%
Uruguay Government International Bond
4.13%, 11/20/45		250		236,507
4.38%, 10/27/27^a		585		607,283
4.50%, 08/14/24		990		1,044,381
5.10%, 06/18/50^a		910		948,866
8.00%, 11/18/22		330		387,354

				3,224,391

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $163,045,755)				159,245,207

MUNICIPAL DEBT OBLIGATIONS — 2.00%

ARIZONA — 0.02%
Salt River Project Agricultural Improvement & Power District RB BAB
4.84%, 01/01/41		255		291,371

				291,371
CALIFORNIA — 0.72%
Bay Area Toll Authority RB BAB
Series F-2
6.26%, 04/01/49		250		346,308
Series S-1
7.04%, 04/01/50		130		194,204
Series S-3
6.91%, 10/01/50		425		624,147


Security	Principal (000s)		Value
East Bay Municipal Utility District Water System Revenue RB BAB
Series B
5.87%, 06/01/40	$	380	$	473,491
Los Angeles Community College District/CA GO BAB
6.75%, 08/01/49		450		654,547
Los Angeles County Metropolitan Transportation Authority RB BAB
Series A
5.74%, 06/01/39		360		433,166
Los Angeles Department of Water & Power System Revenue RB BAB
Series A
6.60%, 07/01/50		120		174,148
Series D
6.57%, 07/01/45		290		411,356
Los Angeles Unified School District/CA GO BAB
5.75%, 07/01/34		165		202,074
5.76%, 07/01/29		265		312,069
Series RY
6.76%, 07/01/34		375		499,009
San Diego County Regional Transportation Commission RB BAB
5.91%, 04/01/48		100		131,214
San Diego County Water Authority Financing Corp. RB BAB
Series B
6.14%, 05/01/49		125		167,594
Santa Clara Valley Transportation Authority RB BAB
5.88%, 04/01/32		100		118,558
State of California Department of Water Resources Power Supply Revenue RB
Series P
2.00%, 05/01/22		60		57,818
State of California GO
6.20%, 03/01/19		200		207,804
State of California GO BAB
5.70%, 11/01/21		400		437,968


Security	Principal (000s)		Value
7.50%, 04/01/34^a	$	370	$	528,841
7.55%, 04/01/39^a		1,030		1,551,417
7.60%, 11/01/40		1,000		1,539,710
7.70%, 11/01/30 (Call 11/01/20)		240		270,300
University of California RB
Series AD
4.86%, 05/15/12		350		362,996
Series AX
3.06%, 07/01/25 (Call 04/01/25)		500		489,695
University of California RB BAB
5.77%, 05/15/43		205		257,082
5.95%, 05/15/45		100		126,192

				10,571,708
CONNECTICUT — 0.04%
State of Connecticut GO
Series A
5.85%, 03/15/32^a		180		210,433
State of Connecticut GO BAB
Series D
5.09%, 10/01/30		350		373,506

				583,939
DISTRICT OF COLUMBIA — 0.01%
District of Columbia Water & Sewer Authority RB
4.81%, 10/01/14		150		161,482

				161,482
FLORIDA — 0.05%
State Board of Administration Finance Corp. RB
Series A
3.00%, 07/01/20		810		813,904

				813,904
GEORGIA — 0.04%
Municipal Electric Authority of Georgia RB BAB
Project J, Series 2010-A 6.64%, 04/01/57		150		183,409
Project M, Series 2010-A 6.66%, 04/01/57		200		242,718
Project P, Series 2010-A 7.06%, 04/01/57		125		145,174

				571,301


Security	Principal (000s)		Value
ILLINOIS — 0.20%
Chicago Transit Authority RB
Series A
6.90%, 12/01/40	$	340	$	445,373
City of Chicago IL GO
Series B
6.31%, 01/01/44		200		199,096
Metropolitan Water Reclamation District of Greater Chicago GOL BAB
5.72%, 12/01/38		75		93,006
State of Illinois GO
4.95%, 06/01/23^a		485		500,428
5.10%, 06/01/33^a		525		494,734
5.88%, 03/01/19		330		338,091
State of Illinois GO BAB
Series 3
6.73%, 04/01/35		100		104,953
Series 5
7.35%, 07/01/35		750		821,722

				2,997,403
KENTUCKY — 0.01%
Louisville & Jefferson County Metropolitan Sewer District RB BAB
6.25%, 05/15/43		100		130,599

				130,599
MASSACHUSETTS — 0.09%
Commonwealth of Massachusetts GOL BAB
Series D
4.50%, 08/01/31		230		251,770
Series E
4.20%, 12/01/21		85		88,266
5.46%, 12/01/39		460		556,839
Commonwealth of Massachusetts Transportation Fund Revenue RB BAB
Series A
5.73%, 06/01/40		100		124,374


Security	Principal (000s)		Value
Massachusetts School Building Authority RB BAB
Series B
5.72%, 08/15/39	$	230	$	279,215

				1,300,464
MISSISSIPPI — 0.01%
State of Mississippi GO BAB
Series F
5.25%, 11/01/34		100		116,684

				116,684
MISSOURI — 0.00%
Health & Educational Facilities Authority of the State of Missouri RB
Series A
3.65%, 08/15/57 (Call 02/15/57)		50		47,318

				47,318
NEVADA — 0.02%
County of Clark Department of Aviation RB BAB
Series C
6.82%, 07/01/45		225		331,326

				331,326
NEW JERSEY — 0.17%
New Jersey Economic Development Authority RB
Series A
7.43%, 02/15/29 (NPFGC)		300		369,606
Series B
0.00%, 02/15/20 (AGM)^d		100		94,390
0.00%, 02/15/24 (AGM)^d		400		319,580
New Jersey State Turnpike Authority RB BAB
7.10%, 01/01/41		277		393,066
Series F
7.41%, 01/01/40		435		637,379
New Jersey Transportation Trust Fund Authority RB BAB
6.56%, 12/15/40		250		311,865
Series C
5.75%, 12/15/28		150		167,958


Security	Principal (000s)		Value
Rutgers The State University of New Jersey RB BAB
5.67%, 05/01/40	$	175	$	204,447

				2,498,291
NEW YORK — 0.27%
Metropolitan Transportation Authority RB BAB
7.34%, 11/15/39		150		222,729
Series 2010-A
6.67%, 11/15/39		160		215,805
New York City Transitional Finance Authority Future Tax Secured Revenue RB BAB
5.51%, 08/01/37		85		102,757
Series C-2
5.77%, 08/01/36		300		359,898
New York City Water & Sewer System RB BAB
5.44%, 06/15/43		250		308,900
5.72%, 06/15/42		210		270,377
5.75%, 06/15/41		290		371,995
New York State Dormitory Authority RB BAB
5.63%, 03/15/39		265		315,734
New York State Urban Development Corp. RB BAB
5.77%, 03/15/39		100		117,408
Port Authority of New York & New Jersey RB
4.93%, 10/01/51		525		606,133
6.04%, 12/01/29		400		489,256
Series 174
4.46%, 10/01/62^a		525		564,433

				3,945,425
OHIO — 0.06%
American Municipal Power Inc. RB BAB
Series B
8.08%, 02/15/50		270		441,058
Series E
6.27%, 02/15/50		90		114,231



Security	Principal (000s)		Value
Ohio State University (The) RB BAB
Series C
4.91%, 06/01/40	$	295	$	338,979

				894,268
OREGON — 0.09%
State of Oregon Department of Transportation RB BAB
Series 2010-A
5.83%, 11/15/34		155		190,379
State of Oregon GO
5.89%, 06/01/27		950		1,113,561

				1,303,940
PENNSYLVANIA — 0.00%
Pennsylvania Turnpike Commission RB BAB
Series B
5.51%, 12/01/45		40		49,662

				49,662
TEXAS — 0.17%
City of Houston TX GOL
3.96%, 03/01/47		100		99,885
Series A
6.29%, 03/01/32		135		155,131
City of San Antonio TX Electric & Gas Systems Revenue RB
Series C
5.99%, 02/01/39		130		167,323
Dallas Area Rapid Transit RB BAB
6.00%, 12/01/44		175		227,180
Dallas County Hospital District GOL BAB
Series C
5.62%, 08/15/44		100		120,952
North Texas Tollway Authority RB BAB
Series B
6.72%, 01/01/49^a		430		615,661
State of Texas GO BAB
5.52%, 04/01/39		350		441,903
Texas Transportation Commission State Highway Fund RB BAB
Series B
5.18%, 04/01/30		490		565,122


Security	Principal or Shares (000s)		Value
University of Texas System (The) RB BAB
Series B
6.28%, 08/15/41 (Call 08/15/19)	$	125	$	131,401

				2,524,558
UTAH — 0.01%
State of Utah GO BAB
Series D
4.55%, 07/01/24		75		79,758

				79,758
VIRGINIA — 0.01%
University of Virginia RB
Series C
4.18%, 09/01/17 (Call 03/01/17)		150		144,899

				144,899
WISCONSIN — 0.01%
State of Wisconsin RB
Series A
5.70%, 05/01/26 (AGM)		150		168,811

				168,811

TOTAL MUNICIPAL DEBT OBLIGATIONS
(Cost: $28,974,164)				29,527,111

SHORT-TERM INVESTMENTS — 14.58%

MONEY MARKET FUNDS — 14.58%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^e,h,i		206,509		206,530,146
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^e,h		8,621		8,620,624

				215,150,770

TOTAL SHORT-TERM INVESTMENTS
(Cost: $215,145,697)				215,150,770

BAB — Build America Bond

GO — General Obligation

GOL — General Obligation Limited

RB — Revenue Bond

Insured by:

AGM — Assured Guaranty Municipal Corp.

NPFGC — National Public Finance Guarantee Corp.

^a	All or a portion of this security is on loan.

^b	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^c	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^d	Zero-coupon bond.

^e	Affiliate of the Fund.

^f	Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently in effect.

^g	Investments are denominated in U.S. dollars.

^h	Annualized 7-day yield as of period end.

ⁱ	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

investment purchased with cash collateral falls below the value of the loaned securities or if the value of an investment purchased with cash collateral falls below the value of the original cash collateral received.

Securities lending transactions are entered into by the Funds under Master Securities Lending Agreements (“MSLA”) which provide the right, in the event of default (including bankruptcy or insolvency) for the non-defaulting party to liquidate the collateral and calculate a net exposure to the defaulting party or request additional collateral. In the event that a borrower defaults, a Fund, as lender, would offset the market value of the collateral received against the market value of the securities loaned. The value of the collateral is typically greater than that of the market value of the securities loaned, leaving the lender with a net amount payable to the defaulting party. However, bankruptcy or insolvency laws of a particular jurisdiction may impose restrictions on or prohibitions against such a right of offset in the event of an MSLA counterparty’s bankruptcy or insolvency. Under the MSLA, the borrower can resell or re-pledge the loaned securities, and a Fund can reinvest cash collateral, or, upon an event of default, resell or re-pledge the collateral.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

For its investment advisory services to the iShares 1-3 Year Credit Bond ETF, BFA is entitled to an annual investment advisory fee, accrued daily and paid monthly by the Fund, based on the Fund’s allocable portion of the aggregate of the average daily net assets of the Fund and certain other iShares funds, as follows:

For its investment advisory services to the iShares U.S. Credit Bond ETF, BFA is entitled to an annual investment advisory fee of 0.15%, accrued daily and paid monthly by the Fund, based on the average daily net assets of the Fund.

For the year ended February 28, 2018, the total of securities lending agent services and collateral investment fees paid were as follows:

For the year ended February 28, 2018, transactions executed by the Funds pursuant to Rule 17a-7 under the 1940 Act were as follows:

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind transactions (see Note 4) for the year ended February 28, 2018 were as follows:

certain transaction costs (i.e., stamp taxes, taxes on currency or other financial transactions, and brokerage costs) and market impact expenses relating to investing in portfolio securities. Such variable charges, if any, are included in “Proceeds from shares sold” in the statements of changes in net assets.

Investing in the securities of non-U.S. issuers involves certain considerations and risks not typically associated with securities of U.S. issuers. Such risks include, but are not limited to: differences in accounting, auditing and financial reporting standards; more substantial governmental involvement in the economy; higher inflation rates, greater social, economic and political uncertainties; possible nationalization or expropriation of assets; less availability of public information about issuers; imposition of withholding or other taxes; higher transaction and custody costs and delays in settlement procedures; and lower level of regulation of the securities markets and issuers. Non-U.S. securities may be less liquid, more difficult to value, and have greater price volatility due to exchange rate fluctuations. These and other risks are heightened for investments in issuers from countries with less developed capital markets.

The economies and markets of European countries are often closely connected and interdependent, and events in one country in Europe can have an adverse impact on other European countries. The European financial markets have experienced volatility and adverse trends in recent years due to concerns about economic downturns or rising government debt levels in several European countries. These events have adversely affected the exchange rate of the euro and may continue to significantly affect European countries. The occurrence of terrorist incidents throughout Europe also could impact financial markets. In addition, the United Kingdom has voted to withdraw from the European Union. The referendum may introduce significant new uncertainties and instability in the financial markets as the United Kingdom negotiates its exit from the European Union.

U.S. GAAP requires that certain components of net assets be adjusted to reflect permanent differences between financial and tax reporting. These reclassifications have no effect on net assets or NAV per share. The following permanent differences as of February 28, 2018, attributable to the realized gains (losses) from in-kind redemptions, were reclassified to the following accounts:

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

For the year ended February 28, 2018, the iShares U.S. Credit Bond utilized $1,287,646 of its capital loss carryforwards.

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

Shareholders of iShares 1-3 Year Credit Bond ETF and iShares U.S. Credit Bond ETF

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares 1-3 Year Credit Bond ETF and iShares U.S. Credit Bond ETF (two of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations for the year ended February 28, 2018, the statements of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, the results of each of their operations for the year then ended, the changes in each of their net assets for each of the two years in the period ended February 28, 2018 and each of the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

The Funds hereby designate the following amounts of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018:

expressed as a percentage of the NAV. A discount is the amount that a fund is trading below the reported NAV, expressed as a percentage of the NAV.

BFA has registered the iShares 1-3 Year Credit Bond ETF (the “Fund”), for marketing to investors in the United Kingdom, the Netherlands, Finland, Sweden, and Luxembourg.

Disclosures are provided in relation to (a) the staff of BFA; (b) staff who are senior management; and (c) staff who have the ability to materially affect the risk profile of the Fund.

BlackRock has a clear and well-defined pay-for-performance philosophy, and compensation programs which support that philosophy.

Members of staff and senior management of BFA typically provide both AIFMD and non-AIFMD related services in respect of multiple funds, clients and functions of BFA and across the broader BlackRock group. Therefore, the figures disclosed are a sum of each individual’s portion of remuneration attributable to the Fund according to an objective apportionment methodology which acknowledges the multiple-service nature of BFA. Accordingly the figures are not representative of any individual’s actual remuneration or their remuneration structure.

The amount of the total remuneration awarded by BFA to its staff which has been attributed to the Fund in respect of BFA’s financial year ending December 31, 2017 was USD 1.08 million. This figure is comprised of fixed remuneration of USD 431.73 thousand and variable remuneration of USD 651.43 thousand. There were a total of 417 beneficiaries of the remuneration described above.

The amount of the aggregate remuneration awarded by BFA, which has been attributed to the Fund, in respect of BFA’s financial year ending December 31, 2017, to its senior management was USD 151.53 thousand, and to members of its staff whose actions have a material impact on the risk profile of the Fund was USD 28.23 thousand.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

The iShares Funds are not sponsored, endorsed, issued, sold or promoted by Bloomberg Index Services Limited, nor does this company make any representation regarding the advisability of investing in the iShares Funds. BlackRock is not affiliated with the company listed above.

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher Treasury bond yields and lower bond prices, particularly in the latter half of the reporting period. However, credit-sensitive investment-grade bonds outperformed Treasury bonds as the difference in yield between credit-sensitive bonds and Treasury securities narrowed during the reporting period.

The inception date of the Fund was 12/8/09. The first day of secondary market trading was 12/9/09.

Index performance through June 29, 2014 reflects the performance of The ICE BofAML 10+ Year US Corporate & Yankees Index^SM. Index performance beginning on June 30, 2014 reflects the performance of the Bloomberg Barclays U.S. Long Credit Index.

The iShares 10+ Year Credit Bond ETF (the “Fund”) seeks to track the investment results of an index composed of long-term, investment-grade U.S. corporate bonds and U.S. dollar-denominated bonds, including those of non-U.S. corporations and governments, with remaining maturities greater than ten years, as represented by the Bloomberg Barclays U.S. Long Credit Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 4.65%, net of fees, while the total return for the Index was 4.75%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Aaa	4.18	%
Aa	10.66
A	37.19
Baa	43.61
Ba	3.73
Not Rated	0.63

TOTAL	100.00	%

As a shareholder of the Fund, you incur two types of costs: (1) transaction costs, including brokerage commissions on purchases and sales of fund shares and (2) ongoing costs, including management fees and other fund expenses. The expense example, which is based on an investment of $1,000 invested on September 1, 2017 and held through February 28, 2018, is intended to help you understand your ongoing costs (in dollars and cents) of investing in the Fund and to compare these costs with the ongoing costs of investing in other funds.

Actual Expenses — The table provides information about actual account values and actual expenses. Annualized expense ratios reflect contractual and voluntary fee waivers, if any. To estimate the expenses that you paid on your account over the period, simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number under the heading entitled “Expenses Paid During Period.”

Hypothetical Example for Comparison Purposes — The table also provides information about hypothetical account values and hypothetical expenses based on the Fund’s actual expense ratio and an assumed rate of return of 5% per year before expenses. You may use this information to compare the ongoing costs of investing in your Fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds.


Security		Principal (000s)		Value
CORPORATE BONDS & NOTES — 86.06%

ADVERTISING — 0.04%
WPP Finance 2010
5.13%, 09/07/42		$	55	$	57,018
5.63%, 11/15/43			229		254,474

					311,492
AEROSPACE & DEFENSE — 1.73%
Boeing Co. (The)
3.38%, 06/15/46	(Call 12/15/45)		125		113,930
3.55%, 03/01/38	(Call 09/01/37)		130		125,424
3.65%, 03/01/47	(Call 09/01/46)		300		285,759
5.88%, 02/15/40			250		316,808
6.63%, 02/15/38			16		21,662
6.88%, 03/15/39^a			182		258,731
General Dynamics Corp.
3.60%, 11/15/42	(Call 05/15/42)^a		300		285,399
Harris Corp.
4.85%, 04/27/35	(Call 10/27/34)		275		294,082
5.05%, 04/27/45	(Call 10/27/44)		100		109,161
6.15%, 12/15/40			50		62,477
Lockheed Martin Corp.
3.60%, 03/01/35	(Call 09/01/34)		550		522,159
3.80%, 03/01/45	(Call 09/01/44)		350		329,357
4.07%, 12/15/42^a			325		320,668
4.09%, 09/15/52	(Call 03/15/52)		350		341,401
4.50%, 05/15/36	(Call 11/15/35)		250		265,530
4.70%, 05/15/46	(Call 11/15/45)		600		650,826
Series B
6.15%, 09/01/36			250		313,815
Northrop Grumman Corp.
3.85%, 04/15/45	(Call 10/15/44)		345		324,303
4.03%, 10/15/47	(Call 04/15/47)		675		649,188
4.75%, 06/01/43			250		269,555
5.05%, 11/15/40			250		277,978
Northrop Grumman Systems Corp.
7.75%, 02/15/31			450		609,174
Raytheon Co.
4.20%, 12/15/44	(Call 06/15/44)		100		105,278
4.70%, 12/15/41			300		335,631
4.88%, 10/15/40^a			137		157,251
Rockwell Collins Inc.
4.35%, 04/15/47	(Call 10/15/46)		250		248,345
4.80%, 12/15/43	(Call 06/15/43)		261		282,439


Security		Principal (000s)		Value
United Technologies Corp.
3.75%, 11/01/46	(Call 05/01/46)	$	700	$	642,747
4.05%, 05/04/47	(Call 11/04/46)^a		250		240,808
4.15%, 05/15/45	(Call 11/16/44)		650		633,886
4.50%, 06/01/42			1,250		1,286,137
5.40%, 05/01/35			121		137,573
5.70%, 04/15/40			280		333,228
6.05%, 06/01/36			100		121,892
6.13%, 07/15/38			200		249,058
6.70%, 08/01/28			500		620,350
7.50%, 09/15/29			164		216,173

					12,358,183
AGRICULTURE — 1.43%
Altria Group Inc.
3.88%, 09/16/46	(Call 03/16/46)^a		350		324,527
4.25%, 08/09/42			650		642,233
4.50%, 05/02/43			350		356,720
5.38%, 01/31/44			650		745,050
Archer-Daniels-Midland Co.
4.02%, 04/16/43			799		772,697
4.54%, 03/26/42			378		392,802
BAT Capital Corp.
4.39%, 08/15/37	(Call 02/15/37)^b		1,150		1,137,361
4.54%, 08/15/47	(Call 02/15/47)^b		1,000		971,840
Philip Morris International Inc.
3.88%, 08/21/42^a			76		71,404
4.13%, 03/04/43			425		413,483
4.25%, 11/10/44			850		848,631
4.38%, 11/15/41			436		440,517
4.50%, 03/20/42			100		102,681
4.88%, 11/15/43			200		216,254
6.38%, 05/16/38			725		938,817
Reynolds American Inc.
5.70%, 08/15/35	(Call 02/15/35)		225		256,181
5.85%, 08/15/45	(Call 02/15/45)		750		872,542
6.15%, 09/15/43			300		359,682
7.25%, 06/15/37			253		336,376

					10,199,798
AIRLINES — 0.16%
American Airlines Pass Through Trust
Series 2016-2, Class AA
3.20%, 12/15/29			80		76,611
Series 2016-3, Class AA
3.00%, 04/15/30			632		600,474


Security		Principal (000s)		Value
United Airlines Pass Through Trust
Series 2016-2, Class AA
2.88%, 04/07/30		$	500	$	473,330

					1,150,415
APPAREL — 0.12%
NIKE Inc.
3.38%, 11/01/46	(Call 05/01/46)		200		180,450
3.63%, 05/01/43	(Call 11/01/42)		300		284,325
3.88%, 11/01/45	(Call 05/01/45)		175		172,364
VF Corp.
6.45%, 11/01/37			150		189,336

					826,475
AUTO MANUFACTURERS — 0.95%
Daimler Finance North America LLC
8.50%, 01/18/31			700		1,021,188
Ford Motor Co.
4.75%, 01/15/43			1,000		923,140
5.29%, 12/08/46	(Call 06/08/46)^a		650		638,839
6.63%, 10/01/28			16		18,484
7.40%, 11/01/46			114		144,977
7.45%, 07/16/31			650		794,397
General Motors Co.
5.00%, 04/01/35			400		401,048
5.15%, 04/01/38	(Call 10/01/37)		250		250,433
5.20%, 04/01/45			600		590,244
5.40%, 04/01/48	(Call 10/01/47)^a		250		253,573
6.25%, 10/02/43			350		390,674
6.60%, 04/01/36	(Call 10/01/35)		750		870,472
6.75%, 04/01/46	(Call 10/01/45)		400		470,704

					6,768,173
AUTO PARTS & EQUIPMENT — 0.05%
Aptiv PLC
4.40%, 10/01/46	(Call 04/01/46)^a		150		145,518
BorgWarner Inc.
4.38%, 03/15/45	(Call 09/15/44)		185		181,219

					326,737
BANKS — 8.23%
Bank of America Corp.
4.88%, 04/01/44			800		885,376
5.00%, 01/21/44			700		788,984
5.88%, 02/07/42			750		936,322
6.11%, 01/29/37			900		1,085,769
7.75%, 05/14/38			600		856,932


Security		Principal (000s)		Value
(3 mo. LIBOR US + 1.190%)
3.95%, 01/23/49	(Call 01/23/48)^c	$	600	$	573,936
(3 mo. LIBOR US + 1.814%)
4.24%, 04/24/38	(Call 04/24/37)^c		500		508,870
(3 mo. LIBOR US + 1.990%)
4.44%, 01/20/48	(Call 01/20/47)^c		800		830,000
Series L
4.75%, 04/21/45			8		8,463
Bank of America N.A.
6.00%, 10/15/36			350		432,513
Bank of New York Mellon Corp. (The)
3.00%, 10/30/28	(Call 07/30/28)		85		79,169
3.30%, 08/23/29	(Call 05/23/29)		250		237,620
Barclays PLC
4.84%, 05/09/28	(Call 05/07/27)		600		590,856
4.95%, 01/10/47			750		771,202
5.25%, 08/17/45			600		645,216
Citigroup Inc.
4.13%, 07/25/28			575		570,871
4.65%, 07/30/45^a			475		508,036
4.75%, 05/18/46			700		716,821
5.30%, 05/06/44			550		609,669
5.88%, 01/30/42^a			600		748,602
6.00%, 10/31/33			200		235,392
6.13%, 08/25/36			282		334,931
6.63%, 06/15/32			450		553,550
6.68%, 09/13/43			375		491,708
8.13%, 07/15/39			800		1,218,816
(3 mo. LIBOR US + 1.839%)
4.28%, 04/24/48	(Call 04/24/47)^a,c		325		327,727
Cooperatieve Rabobank UA
5.25%, 05/24/41			575		680,708
5.25%, 08/04/45			541		600,413
5.75%, 12/01/43			350		415,205
Credit Suisse Group Funding Guernsey Ltd.
4.88%, 05/15/45^a			786		833,970
Fifth Third Bancorp.
8.25%, 03/01/38			400		583,164
First Republic Bank/CA
4.38%, 08/01/46	(Call 02/01/46)		250		246,225
Goldman Sachs Capital I
6.35%, 02/15/34^a			475		572,209


Security		Principal (000s)		Value
Goldman Sachs Group Inc. (The)
4.75%, 10/21/45	(Call 04/21/45)	$	750	$	798,157
4.80%, 07/08/44	(Call 01/08/44)		850		911,897
5.15%, 05/22/45			890		963,087
6.13%, 02/15/33^a			750		903,112
6.25%, 02/01/41^a			1,150		1,458,591
6.75%, 10/01/37			2,100		2,652,678
(3 mo. LIBOR US + 1.158%)
3.81%, 04/23/29	(Call 04/23/28)^c		1,000		976,120
(3 mo. LIBOR US + 1.373%)
4.02%, 10/31/38	(Call 10/31/37)^a,c		1,025		989,381
HSBC Bank USA N.A./New York NY
5.63%, 08/15/35			350		417,099
HSBC Holdings PLC
5.25%, 03/14/44			800		879,648
6.10%, 01/14/42			225		289,798
6.50%, 05/02/36			900		1,111,518
6.50%, 09/15/37			800		994,624
6.80%, 06/01/38			700		900,928
7.63%, 05/17/32			300		389,091
JPMorgan Chase & Co.
4.85%, 02/01/44			550		608,712
4.95%, 06/01/45^a			775		836,667
5.40%, 01/06/42^a			875		1,036,219
5.50%, 10/15/40			837		996,733
5.60%, 07/15/41			846		1,023,795
5.63%, 08/16/43			475		557,731
6.40%, 05/15/38			750		980,692
(3 mo. LIBOR US + 1.360%)
3.88%, 07/24/38	(Call 07/24/37)^c		750		724,785
(3 mo. LIBOR US + 1.380%)
3.96%, 11/15/48	(Call 11/15/47)^c		750		713,497
(3 mo. LIBOR US + 1.460%)
4.03%, 07/24/48	(Call 07/24/47)^c		709		685,532
(3 mo. LIBOR US + 1.580%)
4.26%, 02/22/48	(Call 02/22/47)^c		750		749,265
KfW
0.00%, 04/18/36^d			700		387,926
0.00%, 06/29/37^d			750		397,433
2.88%, 04/03/28			1,375		1,355,805
Lloyds Banking Group PLC
4.34%, 01/09/48^a			600		569,826
5.30%, 12/01/45^a			400		438,936


Security		Principal (000s)		Value
Morgan Stanley
4.30%, 01/27/45^a		$	1,000	$	1,000,000
4.38%, 01/22/47			950		962,673
6.38%, 07/24/42			1,050		1,366,323
7.25%, 04/01/32^a			700		927,864
Regions Financial Corp.
7.38%, 12/10/37			325		427,317
Wachovia Corp.
5.50%, 08/01/35			400		453,124
Wells Fargo & Co.
3.90%, 05/01/45^a			900		866,565
4.40%, 06/14/46			550		540,881
4.65%, 11/04/44			1,100		1,125,278
4.75%, 12/07/46			1,000		1,035,390
4.90%, 11/17/45			1,000		1,059,720
5.38%, 02/07/35			300		348,147
5.38%, 11/02/43			975		1,093,843
5.61%, 01/15/44			1,020		1,180,079
Wells Fargo Capital X
5.95%, 12/01/86			200		219,400

					58,785,132
BEVERAGES — 2.54%
Anheuser-Busch InBev Finance Inc.
4.00%, 01/17/43			200		189,656
4.63%, 02/01/44			345		354,971
4.70%, 02/01/36	(Call 08/01/35)		2,250		2,364,795
4.90%, 02/01/46	(Call 08/01/45)^a		4,000		4,266,800
Anheuser-Busch InBev Worldwide Inc.
3.75%, 07/15/42			650		591,688
4.44%, 10/06/48	(Call 04/06/48)		833		835,499
4.95%, 01/15/42			750		808,927
8.00%, 11/15/39			136		201,855
8.20%, 01/15/39			600		900,576
Brown-Forman Corp.
4.50%, 07/15/45	(Call 01/15/45)		118		125,783
Coca-Cola FEMSA SAB de CV
5.25%, 11/26/43			271		310,013
Constellation Brands Inc.
4.10%, 02/15/48	(Call 08/15/47)		125		115,863
4.50%, 05/09/47	(Call 11/09/46)		200		199,222
Diageo Capital PLC
3.88%, 04/29/43	(Call 10/29/42)		136		135,217
5.88%, 09/30/36			350		442,043


Security		Principal (000s)		Value
Diageo Investment Corp.
4.25%, 05/11/42		$	450	$	471,591
7.45%, 04/15/35			11		15,835
Dr Pepper Snapple Group Inc.
4.50%, 11/15/45	(Call 05/15/45)^b		250		245,363
Fomento Economico Mexicano SAB de CV
4.38%, 05/10/43			364		365,565
Molson Coors Brewing Co.
4.20%, 07/15/46	(Call 01/15/46)		600		562,014
5.00%, 05/01/42			650		688,382
Pepsi-Cola Metropolitan Bottling Co. Inc.
Series B
7.00%, 03/01/29			501		655,614
PepsiCo Inc.
3.45%, 10/06/46	(Call 04/06/46)^a		605		549,624
3.60%, 08/13/42^a			400		376,268
4.00%, 03/05/42			207		208,695
4.00%, 05/02/47	(Call 11/02/46)^a		250		251,210
4.25%, 10/22/44	(Call 04/22/44)		350		364,991
4.45%, 04/14/46	(Call 10/14/45)		675		724,417
4.60%, 07/17/45	(Call 01/17/45)		250		272,988
4.88%, 11/01/40			200		227,440
5.50%, 01/15/40			246		302,196

					18,125,101
BIOTECHNOLOGY — 1.62%
Amgen Inc.
4.40%, 05/01/45	(Call 11/01/44)		1,200		1,190,868
4.56%, 06/15/48	(Call 12/15/47)		1,100		1,106,347
4.66%, 06/15/51	(Call 12/15/50)		1,325		1,344,530
4.95%, 10/01/41			150		162,261
5.15%, 11/15/41	(Call 05/15/41)		175		194,642
Baxalta Inc.
5.25%, 06/23/45	(Call 12/23/44)		350		378,697
Biogen Inc.
5.20%, 09/15/45	(Call 03/15/45)		700		761,453
Celgene Corp.
4.35%, 11/15/47	(Call 05/15/47)		250		235,143
4.55%, 02/20/48	(Call 08/20/47)		250		242,785
4.63%, 05/15/44	(Call 11/15/43)^a		500		495,390
5.00%, 08/15/45	(Call 02/15/45)^a		600		620,388
5.25%, 08/15/43			450		485,352


Security		Principal (000s)		Value
Gilead Sciences Inc.
4.00%, 09/01/36	(Call 03/01/36)	$	50	$	49,414
4.15%, 03/01/47	(Call 09/01/46)		800		774,688
4.50%, 02/01/45	(Call 08/01/44)		1,025		1,042,691
4.60%, 09/01/35	(Call 03/01/35)		550		584,930
4.75%, 03/01/46	(Call 09/01/45)		750		792,232
4.80%, 04/01/44	(Call 10/01/43)		550		582,874
5.65%, 12/01/41	(Call 06/01/41)		450		530,631

					11,575,316
BUILDING MATERIALS — 0.34%
Johnson Controls International PLC
4.50%, 02/15/47	(Call 08/15/46)^a		250		258,685
4.63%, 07/02/44	(Call 01/02/44)^e		250		263,275
4.95%, 07/02/64	(Call 01/02/64)^e		107		111,760
5.13%, 09/14/45	(Call 03/14/45)^a		250		281,520
6.00%, 01/15/36			100		121,242
Martin Marietta Materials Inc.
4.25%, 12/15/47	(Call 06/15/47)		300		278,646
Masco Corp.
4.50%, 05/15/47	(Call 11/15/46)		150		144,729
Owens Corning
4.30%, 07/15/47	(Call 01/15/47)		300		276,015
7.00%, 12/01/36			173		217,653
Vulcan Materials Co.
4.50%, 06/15/47	(Call 12/15/46)^a		200		192,854
4.70%, 03/01/48	(Call 09/01/47)^b		250		248,483

					2,394,862
CHEMICALS — 1.49%
Agrium Inc.
4.13%, 03/15/35	(Call 09/15/34)		87		84,638
4.90%, 06/01/43	(Call 12/01/42)		250		261,880
5.25%, 01/15/45	(Call 07/15/44)		254		276,123
6.13%, 01/15/41	(Call 07/15/40)		225		269,278
7.13%, 05/23/36^a			100		129,256
Albemarle Corp.
5.45%, 12/01/44	(Call 06/01/44)		150		168,038
Dow Chemical Co. (The)
4.25%, 10/01/34	(Call 04/01/34)		425		427,809
4.38%, 11/15/42	(Call 05/15/42)		400		399,672
4.63%, 10/01/44	(Call 04/01/44)		351		361,751
5.25%, 11/15/41	(Call 05/15/41)		400		441,976
7.38%, 11/01/29			333		435,594
9.40%, 05/15/39			300		485,382


Security		Principal (000s)		Value
Eastman Chemical Co.
4.65%, 10/15/44	(Call 04/15/44)	$	375	$	387,757
4.80%, 09/01/42	(Call 03/01/42)		208		221,387
EI du Pont de Nemours & Co.
4.15%, 02/15/43^a			398		392,277
4.90%, 01/15/41			345		372,793
5.60%, 12/15/36			11		12,879
International Flavors & Fragrances Inc.
4.38%, 06/01/47	(Call 12/01/46)		200		199,062
Lubrizol Corp. (The)
6.50%, 10/01/34			120		154,546
LYB International Finance BV
4.88%, 03/15/44	(Call 09/15/43)		401		421,487
5.25%, 07/15/43			300		330,099
LyondellBasell Industries NV
4.63%, 02/26/55	(Call 08/26/54)^a		380		372,712
Methanex Corp.
5.65%, 12/01/44	(Call 06/01/44)		150		152,358
Monsanto Co.
3.95%, 04/15/45	(Call 10/15/44)		150		139,854
4.20%, 07/15/34	(Call 01/15/34)		250		248,875
4.40%, 07/15/44	(Call 01/15/44)^a		475		468,754
4.65%, 11/15/43	(Call 05/15/43)		24		24,678
4.70%, 07/15/64	(Call 01/15/64)		300		296,448
Mosaic Co. (The)
5.45%, 11/15/33	(Call 05/15/33)^a		208		221,012
5.63%, 11/15/43	(Call 05/15/43)		200		209,098
Potash Corp. of Saskatchewan Inc.
5.63%, 12/01/40			350		400,074
5.88%, 12/01/36			101		117,621
Praxair Inc.
3.55%, 11/07/42	(Call 05/07/42)		300		287,328
Rohm & Haas Co.
7.85%, 07/15/29			100		134,095
RPM International Inc.
4.25%, 01/15/48	(Call 07/15/47)		150		139,127
Sherwin-Williams Co. (The)
4.00%, 12/15/42	(Call 06/15/42)		200		187,296
4.50%, 06/01/47	(Call 12/01/46)		650		649,987
Westlake Chemical Corp.
4.38%, 11/15/47	(Call 05/15/47)		105		100,767
5.00%, 08/15/46	(Call 02/15/46)		225		236,578

					10,620,346


Security		Principal (000s)		Value
COMMERCIAL SERVICES — 0.64%
California Institute of Technology
4.32%, 08/01/45		$	12	$	12,878
4.70%, 11/01/11			100		105,469
Cleveland Clinic Foundation (The)
4.86%, 01/01/14			200		207,934
Ecolab Inc.
3.95%, 12/01/47	(Call 06/01/47)^b		525		502,325
5.50%, 12/08/41			41		48,427
George Washington University (The)
4.87%, 09/15/45			16		17,927
Johns Hopkins University
Series 2013
4.08%, 07/01/53			11		10,965
Massachusetts Institute of Technology
3.96%, 07/01/38			9		9,324
4.68%, 07/01/14			400		427,076
5.60%, 07/01/11			375		467,861
Moody’s Corp.
5.25%, 07/15/44^a			250		285,492
President and Fellows of Harvard College
3.15%, 07/15/46	(Call 01/15/46)		375		338,816
3.30%, 07/15/56	(Call 01/15/56)		250		225,000
Princeton University
5.70%, 03/01/39			350		445,781
S&P Global Inc.
6.55%, 11/15/37			161		205,433
University of Notre Dame du Lac
Series 2015
3.44%, 02/15/45			9		8,398
University of Southern California
3.03%, 10/01/39			275		246,293
5.25%, 10/01/11			250		290,290
Verisk Analytics Inc.
5.50%, 06/15/45	(Call 12/15/44)		111		120,856
Western Union Co. (The)
6.20%, 11/17/36			175		183,785
William Marsh Rice University
3.57%, 05/15/45			451		434,047

					4,594,377


Security		Principal (000s)		Value
COMPUTERS — 1.71%
Apple Inc.
3.45%, 02/09/45		$	750	$	684,263
3.75%, 09/12/47	(Call 03/12/47)		500		476,590
3.75%, 11/13/47	(Call 05/13/47)^a		500		476,335
3.85%, 05/04/43			750		731,895
3.85%, 08/04/46	(Call 02/04/46)		845		818,737
4.25%, 02/09/47	(Call 08/09/46)		500		515,350
4.38%, 05/13/45			750		786,067
4.45%, 05/06/44			725		770,559
4.50%, 02/23/36	(Call 08/23/35)		500		545,440
4.65%, 02/23/46	(Call 08/23/45)		1,300		1,418,469
Dell International LLC/EMC Corp.
8.10%, 07/15/36	(Call 01/15/36)^b		600		736,008
8.35%, 07/15/46	(Call 01/15/46)^b		850		1,075,241
Hewlett Packard Enterprise Co.
6.20%, 10/15/35	(Call 04/15/35)		250		268,058
6.35%, 10/15/45	(Call 04/15/45)		650		684,794
HP Inc.
6.00%, 09/15/41			450		475,772
International Business Machines Corp.
4.00%, 06/20/42			425		427,597
4.70%, 02/19/46^a			400		450,868
5.60%, 11/30/39			300		371,094
5.88%, 11/29/32			341		426,809
Seagate HDD Cayman
5.75%, 12/01/34	(Call 06/01/34)^a		100		94,881

					12,234,827
COSMETICS & PERSONAL CARE — 0.41%
Colgate-Palmolive Co.
3.70%, 08/01/47	(Call 02/01/47)^a		275		261,211
4.00%, 08/15/45			250		249,762
Estee Lauder Companies Inc. (The)
4.15%, 03/15/47	(Call 09/15/46)^a		125		128,483
4.38%, 06/15/45	(Call 12/15/44)		250		264,135
6.00%, 05/15/37			150		188,909
Procter & Gamble Co. (The)
3.50%, 10/25/47^a			300		281,616
5.55%, 03/05/37			700		878,248
Unilever Capital Corp.
5.90%, 11/15/32			525		659,337

					2,911,701


Security		Principal (000s)		Value
DISTRIBUTION & WHOLESALE — 0.11%
WW Grainger Inc.
3.75%, 05/15/46	(Call 11/15/45)	$	250	$	231,978
4.20%, 05/15/47	(Call 11/15/46)		150		151,386
4.60%, 06/15/45	(Call 12/15/44)		400		425,132

					808,496
DIVERSIFIED FINANCIAL SERVICES — 1.50%
American Express Co.
4.05%, 12/03/42			500		495,875
AXA Financial Inc.
7.00%, 04/01/28			14		17,135
Brookfield Finance Inc.
4.70%, 09/20/47	(Call 03/20/47)		350		340,273
CME Group Inc.
5.30%, 09/15/43	(Call 03/15/43)^a		100		121,716
Credit Suisse USA Inc.
7.13%, 07/15/32			368		490,150
GE Capital International Funding Co. Unlimited Co.
4.42%, 11/15/35			4,500		4,416,345
Invesco Finance PLC
5.38%, 11/30/43			41		47,627
Jefferies Group LLC
6.25%, 01/15/36			300		330,888
6.50%, 01/20/43			150		168,221
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.15%, 01/23/30			250		237,545
Legg Mason Inc.
5.63%, 01/15/44			250		267,438
Mastercard Inc.
3.80%, 11/21/46	(Call 05/21/46)^a		150		147,102
3.95%, 02/26/48	(Call 08/26/47)		145		146,195
National Rural Utilities Cooperative Finance Corp.
4.02%, 11/01/32	(Call 05/01/32)		150		152,261
Series C
8.00%, 03/01/32			271		381,210
Raymond James Financial Inc.
4.95%, 07/15/46			250		270,060
Visa Inc.
3.65%, 09/15/47	(Call 03/15/47)^a		300		286,782
4.15%, 12/14/35	(Call 06/14/35)		1,000		1,053,640
4.30%, 12/14/45	(Call 06/14/45)		1,250		1,324,850

					10,695,313


Security		Principal (000s)		Value
ELECTRIC — 9.05%
AEP Transmission Co. LLC
3.75%, 12/01/47	(Call 06/01/47)^b	$	300	$	288,471
4.00%, 12/01/46	(Call 06/01/46)^a		150		150,570
Alabama Power Co.
3.75%, 03/01/45	(Call 09/01/44)		400		387,060
3.85%, 12/01/42			50		49,076
4.15%, 08/15/44	(Call 02/15/44)		302		308,889
4.30%, 01/02/46	(Call 07/02/45)^a		300		314,652
6.00%, 03/01/39			270		338,153
6.13%, 05/15/38			200		251,112
Ameren Illinois Co.
3.70%, 12/01/47	(Call 06/01/47)		475		457,648
4.15%, 03/15/46	(Call 09/15/45)		350		361,704
Appalachian Power Co.
4.40%, 05/15/44	(Call 11/15/43)^a		11		11,492
4.45%, 06/01/45	(Call 12/01/44)		300		315,927
7.00%, 04/01/38^a			100		136,744
Arizona Public Service Co.
3.75%, 05/15/46	(Call 11/15/45)		275		264,206
4.50%, 04/01/42	(Call 10/01/41)		251		268,515
5.05%, 09/01/41	(Call 03/01/41)		100		113,712
Berkshire Hathaway Energy Co.
4.50%, 02/01/45	(Call 08/01/44)^a		400		419,652
5.15%, 11/15/43	(Call 05/15/43)		370		427,968
5.95%, 05/15/37			350		436,380
6.13%, 04/01/36			1,600		2,037,376
Black Hills Corp.
4.20%, 09/15/46	(Call 03/15/46)		150		147,311
CenterPoint Energy Houston Electric LLC
3.55%, 08/01/42	(Call 02/01/42)		325		306,923
3.95%, 03/01/48	(Call 09/01/47)		140		140,444
4.50%, 04/01/44	(Call 10/01/43)		200		218,534
Cleco Corporate Holdings LLC
4.97%, 05/01/46	(Call 11/01/45)		150		151,571
CMS Energy Corp.
4.88%, 03/01/44	(Call 09/01/43)		150		164,217
Commonwealth Edison Co.
3.70%, 03/01/45	(Call 09/01/44)		200		191,052
3.80%, 10/01/42	(Call 04/01/42)		311		302,687
4.35%, 11/15/45	(Call 05/15/45)		100		105,470
4.60%, 08/15/43	(Call 02/15/43)		233		254,236
4.70%, 01/15/44	(Call 07/15/43)		261		290,498
5.90%, 03/15/36			500		621,675


Security		Principal (000s)		Value
Consolidated Edison Co. of New York Inc.
4.30%, 12/01/56	(Call 06/01/56)^a	$	130	$	132,890
5.50%, 12/01/39			200		241,514
6.30%, 08/15/37			8		10,370
3.85%, 06/15/46	(Call 12/15/45)^a		500		487,985
3.95%, 03/01/43	(Call 09/01/42)		450		447,039
4.45%, 03/15/44	(Call 09/15/43)		476		506,892
4.50%, 12/01/45	(Call 06/01/45)		207		223,144
5.70%, 06/15/40			335		414,459
Series 05-A
5.30%, 03/01/35			100		115,366
Series 06-A
5.85%, 03/15/36			325		397,270
Series 06-B
6.20%, 06/15/36			311		394,650
Series 08-B
6.75%, 04/01/38			200		275,048
Series 12-A
4.20%, 03/15/42			8		8,208
Series 2017
3.88%, 06/15/47	(Call 12/15/46)		150		146,972
Consumers Energy Co.
3.25%, 08/15/46	(Call 02/15/46)		200		178,384
3.95%, 05/15/43	(Call 11/15/42)^a		75		75,526
3.95%, 07/15/47	(Call 01/15/47)		250		252,552
Delmarva Power & Light Co.
4.15%, 05/15/45	(Call 11/15/44)		250		254,575
Dominion Energy Inc.
4.70%, 12/01/44	(Call 06/01/44)^a		75		79,015
6.30%, 03/15/33^a			275		335,382
7.00%, 06/15/38			230		303,634
Series B
5.95%, 06/15/35			375		449,370
Series C
4.05%, 09/15/42	(Call 03/15/42)		155		149,282
4.90%, 08/01/41	(Call 02/01/41)		62		66,802
Series F
5.25%, 08/01/33			475		530,010
DTE Electric Co.
3.70%, 03/15/45	(Call 09/15/44)		216		208,548
3.70%, 06/01/46	(Call 12/01/45)		385		369,939
4.30%, 07/01/44	(Call 01/01/44)		103		108,503
Series A
4.00%, 04/01/43	(Call 10/01/42)^a		208		208,936


Security		Principal (000s)		Value
DTE Energy Co.
6.38%, 04/15/33		$	135	$	166,794
Duke Energy Carolinas LLC
3.70%, 12/01/47	(Call 06/01/47)		250		239,503
3.75%, 06/01/45	(Call 12/01/44)		315		303,562
3.88%, 03/15/46	(Call 09/15/45)		250		246,710
3.95%, 03/15/48	(Call 09/15/47)		250		248,480
4.00%, 09/30/42	(Call 03/30/42)		250		251,382
4.25%, 12/15/41	(Call 06/15/41)		300		313,860
5.30%, 02/15/40^a			510		607,104
6.00%, 01/15/38			57		72,243
6.05%, 04/15/38			550		704,885
6.10%, 06/01/37			500		628,125
6.45%, 10/15/32			86		108,759
Series A
6.00%, 12/01/28			16		19,015
Duke Energy Corp.
3.75%, 09/01/46	(Call 03/01/46)^a		400		364,032
4.80%, 12/15/45	(Call 06/15/45)		126		136,392
Duke Energy Florida LLC
3.40%, 10/01/46	(Call 04/01/46)		230		207,672
3.85%, 11/15/42	(Call 05/15/42)		280		274,190
5.65%, 04/01/40			100		124,319
6.35%, 09/15/37			100		131,976
6.40%, 06/15/38			200		266,632
Duke Energy Florida Project Finance LLC
Series 2026
2.54%, 09/01/31			200		187,050
Duke Energy Indiana LLC
3.75%, 05/15/46	(Call 11/15/45)		450		428,395
6.12%, 10/15/35			250		314,510
6.35%, 08/15/38			46		60,599
6.45%, 04/01/39			300		400,551
Duke Energy Progress LLC
3.70%, 10/15/46	(Call 04/15/46)		300		286,689
4.10%, 05/15/42	(Call 11/15/41)		300		305,439
4.10%, 03/15/43	(Call 09/15/42)		186		189,463
4.15%, 12/01/44	(Call 06/01/44)^a		300		307,320
4.20%, 08/15/45	(Call 02/15/45)^a		250		257,297
4.38%, 03/30/44	(Call 09/30/43)^a		300		319,302
6.30%, 04/01/38			250		329,305


Security		Principal (000s)		Value
El Paso Electric Co.
5.00%, 12/01/44	(Call 06/01/44)	$	200	$	204,218
6.00%, 05/15/35			150		172,694
Emera U.S. Finance LP
4.75%, 06/15/46	(Call 12/15/45)		450		451,629
Entergy Louisiana LLC
3.05%, 06/01/31	(Call 03/01/31)^a		150		138,579
3.25%, 04/01/28	(Call 01/01/28)		150		145,056
4.95%, 01/15/45	(Call 01/15/25)		100		101,153
Entergy Mississippi Inc.
2.85%, 06/01/28	(Call 03/01/28)^a		250		232,840
Exelon Corp.
4.45%, 04/15/46	(Call 10/15/45)		675		687,508
4.95%, 06/15/35	(Call 12/15/34)		375		410,959
5.10%, 06/15/45	(Call 12/15/44)^a		69		76,922
5.63%, 06/15/35^a			300		352,512
Exelon Generation Co. LLC
5.60%, 06/15/42	(Call 12/15/41)^a		450		470,479
5.75%, 10/01/41	(Call 04/01/41)		20		21,163
6.25%, 10/01/39			500		559,105
FirstEnergy Corp.
Series C
4.85%, 07/15/47	(Call 01/15/47)		450		471,951
7.38%, 11/15/31			450		593,028
Florida Power & Light Co.
3.70%, 12/01/47	(Call 06/01/47)		525		505,081
3.80%, 12/15/42	(Call 06/15/42)		200		196,102
4.05%, 06/01/42	(Call 12/01/41)		200		203,604
4.05%, 10/01/44	(Call 04/01/44)		400		408,008
4.13%, 02/01/42	(Call 08/01/41)		225		232,061
4.95%, 06/01/35			200		225,958
5.25%, 02/01/41	(Call 08/01/40)		200		238,572
5.65%, 02/01/37			96		117,553
5.69%, 03/01/40			124		154,945
5.95%, 02/01/38			350		445,599
Georgia Power Co.
4.30%, 03/15/42			625		640,694
4.30%, 03/15/43			21		21,254
5.40%, 06/01/40			200		231,936
5.95%, 02/01/39			114		139,429
Series 10-C
4.75%, 09/01/40			263		282,246


Security		Principal (000s)		Value
Iberdrola International BV
6.75%, 07/15/36		$	250	$	313,955
Indiana Michigan Power Co.
6.05%, 03/15/37			105		129,910
Series K
4.55%, 03/15/46	(Call 09/15/45)		300		322,128
Interstate Power & Light Co.
3.70%, 09/15/46	(Call 03/15/46)		325		304,483
6.25%, 07/15/39			5		6,355
John Sevier Combined Cycle Generation LLC
4.63%, 01/15/42			229		245,234
Kansas City Power & Light Co.
4.20%, 03/15/48	(Call 09/15/47)		225		227,016
5.30%, 10/01/41	(Call 04/01/41)		250		288,230
Kentucky Utilities Co.
5.13%, 11/01/40	(Call 05/01/40)		314		366,391
MidAmerican Energy Co.
3.65%, 08/01/48	(Call 02/01/48)		650		615,140
4.25%, 05/01/46	(Call 11/01/45)		111		116,251
4.40%, 10/15/44	(Call 04/15/44)^a		225		240,617
4.80%, 09/15/43	(Call 03/15/43)^a		200		226,210
5.75%, 11/01/35			11		13,371
6.75%, 12/30/31			11		14,340
Mississippi Power Co.
Series 12-A
4.25%, 03/15/42			350		323,092
Nevada Power Co.
6.65%, 04/01/36			100		132,326
Northern States Power Co./MN
3.40%, 08/15/42	(Call 02/15/42)		350		324,198
3.60%, 05/15/46	(Call 11/15/45)		50		47,160
4.00%, 08/15/45	(Call 02/15/45)		90		90,527
4.13%, 05/15/44	(Call 11/15/43)		7		7,185
5.35%, 11/01/39			5		5,941
6.25%, 06/01/36			106		136,559
NorthWestern Corp.
4.18%, 11/15/44	(Call 05/15/44)		161		163,059
NSTAR Electric Co.
4.40%, 03/01/44	(Call 09/01/43)		100		107,093
5.50%, 03/15/40			241		290,424
Oglethorpe Power Corp.
5.25%, 09/01/50^a			25		26,763
5.38%, 11/01/40			175		196,378
5.95%, 11/01/39			5		5,998


Security		Principal (000s)		Value
Ohio Edison Co.
6.88%, 07/15/36		$	200	$	261,986
Oklahoma Gas & Electric Co.
4.15%, 04/01/47	(Call 10/01/46)		200		206,180
Oncor Electric Delivery Co. LLC
3.80%, 09/30/47	(Call 03/30/47)^a,b		350		338,394
4.55%, 12/01/41	(Call 06/01/41)		150		162,684
5.25%, 09/30/40			305		360,129
5.30%, 06/01/42	(Call 12/01/41)		225		267,633
7.25%, 01/15/33			200		274,538
Pacific Gas & Electric Co.
3.95%, 12/01/47	(Call 06/01/47)^a,b		300		270,081
4.00%, 12/01/46	(Call 06/01/46)^a		350		322,588
4.25%, 03/15/46	(Call 09/15/45)		11		10,477
4.30%, 03/15/45	(Call 09/15/44)		107		102,741
4.45%, 04/15/42	(Call 10/15/41)		200		198,446
4.60%, 06/15/43	(Call 12/15/42)		13		13,109
4.75%, 02/15/44	(Call 08/15/43)		225		228,722
5.13%, 11/15/43	(Call 05/15/43)		300		321,507
5.40%, 01/15/40			275		305,844
5.80%, 03/01/37^a			466		539,395
6.05%, 03/01/34^a			1,250		1,463,450
6.25%, 03/01/39			400		487,152
6.35%, 02/15/38			71		86,898
PacifiCorp
4.10%, 02/01/42	(Call 08/01/41)		245		250,218
6.00%, 01/15/39			300		386,457
6.10%, 08/01/36			105		133,490
6.25%, 10/15/37			50		65,066
6.35%, 07/15/38			150		197,709
PECO Energy Co.
3.90%, 03/01/48	(Call 09/01/47)		250		248,618
4.15%, 10/01/44	(Call 04/01/44)		200		205,154
5.95%, 10/01/36			111		139,101
Potomac Electric Power Co.
4.15%, 03/15/43	(Call 09/15/42)		66		67,797
6.50%, 11/15/37			175		231,215
PPL Capital Funding Inc.
4.00%, 09/15/47	(Call 03/15/47)^a		250		237,513
4.70%, 06/01/43	(Call 12/01/42)		400		422,164
5.00%, 03/15/44	(Call 09/15/43)		300		328,437
PPL Electric Utilities Corp.
3.95%, 06/01/47	(Call 12/01/46)		200		199,472
6.25%, 05/15/39			61		80,357


Security		Principal (000s)		Value
Progress Energy Inc.
7.75%, 03/01/31		$	34	$	46,244
PSEG Power LLC
8.63%, 04/15/31			300		391,356
Public Service Co. of Colorado
3.60%, 09/15/42	(Call 03/15/42)		200		188,874
3.80%, 06/15/47	(Call 12/15/46)		400		389,620
4.30%, 03/15/44	(Call 09/15/43)		300		315,381
6.25%, 09/01/37^a			60		77,939
6.50%, 08/01/38			100		133,924
Public Service Electric & Gas Co.
3.60%, 12/01/47	(Call 06/01/47)		220		207,920
3.65%, 09/01/42	(Call 03/01/42)		75		72,067
3.80%, 03/01/46	(Call 09/01/45)		225		220,601
3.95%, 05/01/42	(Call 11/01/41)		200		202,088
5.50%, 03/01/40^a			107		130,438
5.80%, 05/01/37			100		123,162
Puget Sound Energy Inc.
4.30%, 05/20/45	(Call 11/20/44)		111		116,381
5.64%, 04/15/41	(Call 10/15/40)		235		288,415
5.76%, 10/01/39			200		246,084
5.80%, 03/15/40			56		69,976
6.27%, 03/15/37			5		6,446
San Diego Gas & Electric Co.
4.50%, 08/15/40^a			100		109,377
6.00%, 06/01/39			163		208,668
Series RRR
3.75%, 06/01/47	(Call 12/01/46)		200		194,712
South Carolina Electric & Gas Co.
4.10%, 06/15/46	(Call 12/15/45)^a		250		238,713
4.35%, 02/01/42	(Call 08/01/41)		100		99,153
4.50%, 06/01/64	(Call 12/01/63)		250		236,578
4.60%, 06/15/43	(Call 12/15/42)		116		118,972
5.10%, 06/01/65	(Call 12/01/64)		150		156,797
5.30%, 05/15/33^a			5		5,487
6.05%, 01/15/38			248		295,943
Southern California Edison Co.
4.00%, 04/01/47	(Call 10/01/46)		350		350,973
4.05%, 03/15/42	(Call 09/15/41)		50		50,441
4.50%, 09/01/40	(Call 03/01/40)^a		48		51,191
4.65%, 10/01/43	(Call 04/01/43)		350		382,056
5.50%, 03/15/40^a			217		264,937
5.63%, 02/01/36			75		89,651


Security		Principal (000s)		Value
5.75%, 04/01/35		$	105	$	127,266
6.00%, 01/15/34			266		327,590
6.05%, 03/15/39			150		192,027
6.65%, 04/01/29			250		303,330
Series 05-E
5.35%, 07/15/35			300		350,370
Series 06-E
5.55%, 01/15/37			130		155,505
Series 08-A
5.95%, 02/01/38			200		251,868
Series 13-A
3.90%, 03/15/43	(Call 09/15/42)		205		202,296
Series C
3.60%, 02/01/45	(Call 08/01/44)		200		187,074
Southern Co. (The)
4.25%, 07/01/36	(Call 01/01/36)		250		250,852
4.40%, 07/01/46	(Call 01/01/46)		550		551,336
Southern Power Co.
5.15%, 09/15/41			250		269,925
Southwestern Electric Power Co.
3.90%, 04/01/45	(Call 10/01/44)		300		288,162
6.20%, 03/15/40			100		126,230
Series L
3.85%, 02/01/48	(Call 08/01/47)		100		95,570
Southwestern Public Service Co.
3.40%, 08/15/46	(Call 02/15/46)		500		450,495
3.70%, 08/15/47	(Call 02/15/47)		250		238,463
4.50%, 08/15/41	(Call 02/15/41)		100		107,106
Tampa Electric Co.
4.10%, 06/15/42	(Call 12/15/41)		75		72,716
4.35%, 05/15/44	(Call 11/15/43)		150		151,232
Toledo Edison Co. (The)
6.15%, 05/15/37			200		247,848
TransAlta Corp.
6.50%, 03/15/40			100		98,853
Union Electric Co.
3.90%, 09/15/42	(Call 03/15/42)		250		248,428
8.45%, 03/15/39			111		172,666
Virginia Electric & Power Co.
4.00%, 01/15/43	(Call 07/15/42)		116		115,046
4.20%, 05/15/45	(Call 11/15/44)		7		7,175
4.45%, 02/15/44	(Call 08/15/43)		300		319,572
8.88%, 11/15/38			300		492,960


Security		Principal (000s)		Value
Series A
6.00%, 05/15/37		$	395	$	494,895
Series B
6.00%, 01/15/36			250		310,325
Series D
4.65%, 08/15/43	(Call 02/15/43)^a		71		77,514
Westar Energy Inc.
4.10%, 04/01/43	(Call 10/01/42)		105		106,659
4.13%, 03/01/42	(Call 09/01/41)		300		304,179
4.25%, 12/01/45	(Call 06/01/45)		200		207,996
Wisconsin Power & Light Co.
6.38%, 08/15/37			140		181,476
Wisconsin Public Service Corp.
4.75%, 11/01/44	(Call 05/01/44)		205		230,240
Xcel Energy Inc.
6.50%, 07/01/36			50		64,991

					64,702,440
ELECTRONICS — 0.35%
Corning Inc.
4.38%, 11/15/57	(Call 05/15/57)		350		328,825
4.75%, 03/15/42			200		212,322
5.75%, 08/15/40			200		234,186
Fortive Corp.
4.30%, 06/15/46	(Call 12/15/45)		225		227,018
Honeywell International Inc.
3.81%, 11/21/47	(Call 05/21/47)^a		661		645,691
Koninklijke Philips NV
5.00%, 03/15/42^a			519		574,357
Tyco Electronics Group SA
7.13%, 10/01/37			200		275,740

					2,498,139
ENGINEERING & CONSTRUCTION — 0.05%
ABB Finance USA Inc.
4.38%, 05/08/42			357		367,653

					367,653
ENVIRONMENTAL CONTROL — 0.10%
Waste Management Inc.
3.90%, 03/01/35	(Call 09/01/34)		250		249,993
4.10%, 03/01/45	(Call 09/01/44)		433		430,670
7.00%, 07/15/28			18		22,630

					703,293


Security		Principal (000s)		Value
FOOD — 1.47%
Ahold Finance USA LLC
6.88%, 05/01/29		$	11	$	13,199
Campbell Soup Co.
3.80%, 08/02/42			6		5,345
Conagra Brands Inc.
7.00%, 10/01/28			150		180,459
8.25%, 09/15/30			200		267,938
General Mills Inc.
4.15%, 02/15/43	(Call 08/15/42)		5		4,827
5.40%, 06/15/40			401		458,207
Hershey Co. (The)
3.38%, 08/15/46	(Call 02/15/46)		100		89,120
JM Smucker Co. (The)
4.25%, 03/15/35			500		503,535
4.38%, 03/15/45			100		99,459
Kellogg Co.
4.50%, 04/01/46			175		173,703
Series B
7.45%, 04/01/31			275		353,064
Koninklijke Ahold Delhaize NV
5.70%, 10/01/40			500		564,410
Kraft Heinz Foods Co.
4.38%, 06/01/46	(Call 12/01/45)		1,310		1,197,026
5.00%, 07/15/35	(Call 01/15/35)		350		364,161
5.00%, 06/04/42			900		895,320
5.20%, 07/15/45	(Call 01/15/45)		700		713,237
6.50%, 02/09/40			400		474,988
6.88%, 01/26/39			300		369,435
Kroger Co. (The)
3.88%, 10/15/46	(Call 04/15/46)		250		216,008
4.45%, 02/01/47	(Call 08/01/46)^a		225		211,253
5.00%, 04/15/42	(Call 10/15/41)		100		101,096
5.15%, 08/01/43	(Call 02/01/43)		250		258,035
5.40%, 07/15/40	(Call 01/15/40)		200		211,956
6.90%, 04/15/38			350		435,232
7.50%, 04/01/31			250		315,685
McCormick & Co. Inc./MD
4.20%, 08/15/47	(Call 02/15/47)		200		197,976
Mondelez International Inc.
6.50%, 02/09/40			222		278,108
Sysco Corp.
4.50%, 04/01/46	(Call 10/01/45)		226		231,203
4.85%, 10/01/45	(Call 04/01/45)		100		107,502
5.38%, 09/21/35			258		292,827


Security		Principal (000s)		Value
Tyson Foods Inc.
4.88%, 08/15/34	(Call 02/15/34)	$	376	$	403,918
5.15%, 08/15/44	(Call 02/15/44)		445		492,570

					10,480,802
FOREST PRODUCTS & PAPER — 0.44%
Celulosa Arauco y Constitucion SA
5.50%, 11/02/47	(Call 05/02/47)^b		200		204,104
Georgia-Pacific LLC
7.75%, 11/15/29			500		681,585
8.88%, 05/15/31			14		20,936
International Paper Co.
4.35%, 08/15/48	(Call 02/15/48)		276		269,221
4.40%, 08/15/47	(Call 02/15/47)		750		737,190
4.80%, 06/15/44	(Call 12/15/43)		200		208,800
5.00%, 09/15/35	(Call 03/15/35)		50		54,314
5.15%, 05/15/46	(Call 11/15/45)		150		164,187
6.00%, 11/15/41	(Call 05/15/41)^a		325		387,185
7.30%, 11/15/39			330		443,032

					3,170,554
GAS — 0.83%
Atmos Energy Corp.
4.13%, 10/15/44	(Call 04/15/44)		500		508,780
4.15%, 01/15/43	(Call 07/15/42)		100		101,641
5.50%, 06/15/41	(Call 12/15/40)		5		5,988
CenterPoint Energy Resources Corp.
4.10%, 09/01/47	(Call 03/01/47)^a		165		162,053
5.85%, 01/15/41	(Call 07/15/40)		100		121,703
Dominion Energy Gas Holdings LLC
4.60%, 12/15/44	(Call 06/15/44)^a		225		233,123
4.80%, 11/01/43	(Call 05/01/43)		115		121,223
KeySpan Corp.
5.80%, 04/01/35			180		212,503
NiSource Inc.
4.80%, 02/15/44	(Call 08/15/43)		615		664,225
5.25%, 02/15/43	(Call 08/15/42)^a		225		254,938
5.65%, 02/01/45	(Call 08/01/44)		276		330,148
5.95%, 06/15/41	(Call 12/15/40)		200		242,698
ONE Gas Inc.
4.66%, 02/01/44	(Call 08/01/43)^a		225		245,327
Piedmont Natural Gas Co. Inc.
4.65%, 08/01/43	(Call 02/01/43)		153		163,191


Security		Principal (000s)		Value
Sempra Energy
3.80%, 02/01/38	(Call 08/01/37)	$	635	$	602,291
4.00%, 02/01/48	(Call 08/01/47)		450		421,290
6.00%, 10/15/39			250		309,010
Southern California Gas Co.
3.75%, 09/15/42	(Call 03/15/42)		5		4,885
Southern Co. Gas Capital Corp.
3.95%, 10/01/46	(Call 04/01/46)		450		418,360
4.40%, 06/01/43	(Call 12/01/42)		6		6,044
4.40%, 05/30/47	(Call 11/30/46)		90		90,531
5.88%, 03/15/41	(Call 09/15/40)		450		533,124
Southwest Gas Corp.
3.80%, 09/29/46	(Call 03/29/46)		200		190,050

					5,943,126
HAND & MACHINE TOOLS — 0.06%
Snap-On Inc.
4.10%, 03/01/48	(Call 09/01/47)		195		195,478
Stanley Black & Decker Inc.
5.20%, 09/01/40			200		223,840

					419,318
HEALTH CARE – PRODUCTS — 1.52%
Abbott Laboratories
4.75%, 11/30/36	(Call 05/30/36)		950		1,015,531
4.75%, 04/15/43	(Call 10/15/42)		350		371,518
4.90%, 11/30/46	(Call 05/30/46)		850		918,025
5.30%, 05/27/40			550		617,325
6.00%, 04/01/39			450		545,755
Baxter International Inc.
3.50%, 08/15/46	(Call 02/15/46)		200		173,708
Becton Dickinson and Co.
4.67%, 06/06/47	(Call 12/06/46)^a		600		598,152
4.69%, 12/15/44	(Call 06/15/44)^a		500		501,525
5.00%, 11/12/40			100		104,391
Boston Scientific Corp.
7.00%, 11/15/35			100		129,196
7.38%, 01/15/40			200		267,448
Danaher Corp.
4.38%, 09/15/45	(Call 03/15/45)		100		106,151
Medtronic Inc.
4.38%, 03/15/35			1,000		1,055,220
4.50%, 03/15/42	(Call 09/15/41)		86		90,205
4.63%, 03/15/44	(Call 09/15/43)		350		380,992
4.63%, 03/15/45			1,800		1,954,656


Security		Principal (000s)		Value
5.55%, 03/15/40		$	250	$	299,453
6.50%, 03/15/39			100		132,034
Stryker Corp.
4.10%, 04/01/43	(Call 10/01/42)		250		243,943
4.38%, 05/15/44	(Call 11/15/43)		100		100,911
4.63%, 03/15/46	(Call 09/15/45)		450		477,526
Thermo Fisher Scientific Inc.
4.10%, 08/15/47	(Call 02/15/47)^a		400		384,464
5.30%, 02/01/44	(Call 08/01/43)^a		150		170,930
Zimmer Biomet Holdings Inc.
4.45%, 08/15/45	(Call 02/15/45)		50		47,208
5.75%, 11/30/39			150		168,473

					10,854,740
HEALTH CARE – SERVICES — 2.01%
Aetna Inc.
3.88%, 08/15/47	(Call 02/15/47)		385		340,941
4.13%, 11/15/42	(Call 05/15/42)		200		187,560
4.50%, 05/15/42	(Call 11/15/41)		250		244,998
4.75%, 03/15/44	(Call 09/15/43)		225		231,190
6.63%, 06/15/36			200		251,878
6.75%, 12/15/37^a			185		239,446
Anthem Inc.
4.38%, 12/01/47	(Call 06/01/47)^a		750		732,937
4.55%, 03/01/48			250		249,455
4.63%, 05/15/42			400		404,656
4.65%, 01/15/43			300		306,582
4.65%, 08/15/44	(Call 02/15/44)		200		204,314
5.10%, 01/15/44			375		404,340
Ascension Health
3.95%, 11/15/46			508		505,379
4.85%, 11/15/53			11		12,149
Baylor Scott & White Holdings
3.97%, 11/15/46	(Call 05/15/46)		250		245,080
4.19%, 11/15/45	(Call 05/15/45)		16		16,415
Catholic Health Initiatives
4.35%, 11/01/42			400		365,856
Cigna Corp.
3.88%, 10/15/47	(Call 04/15/47)^a		425		377,757
Dignity Health
4.50%, 11/01/42			100		93,592
5.27%, 11/01/64			100		99,944


Security		Principal (000s)		Value
Humana Inc.
4.63%, 12/01/42	(Call 06/01/42)	$	200	$	203,918
4.80%, 03/15/47	(Call 09/15/46)		175		182,880
4.95%, 10/01/44	(Call 04/01/44)		275		291,181
Johns Hopkins Health System Corp. (The)
3.84%, 05/15/46			60		58,252
Kaiser Foundation Hospitals
4.15%, 05/01/47	(Call 11/01/46)		650		665,749
4.88%, 04/01/42^a			300		340,794
Laboratory Corp. of America Holdings
4.70%, 02/01/45	(Call 08/01/44)		398		398,410
Mayo Clinic
Series 2013
4.00%, 11/15/47			11		10,621
Memorial Sloan-Kettering Cancer Center
4.13%, 07/01/52			25		24,873
Series 2015
4.20%, 07/01/55			550		559,443
New York and Presbyterian Hospital (The)
4.02%, 08/01/45			21		20,733
4.06%, 08/01/56			350		341,575
Northwell Healthcare Inc.
3.98%, 11/01/46	(Call 11/01/45)		400		372,136
Providence St Joseph Health Obligated Group
Series I
3.74%, 10/01/47			250		229,690
Quest Diagnostics Inc.
4.70%, 03/30/45	(Call 09/30/44)		22		22,345
Texas Health Resources
4.33%, 11/15/55			9		9,048
UnitedHealth Group Inc.
3.75%, 10/15/47	(Call 04/15/47)		350		328,604
3.95%, 10/15/42	(Call 04/15/42)		7		6,823
4.20%, 01/15/47	(Call 07/15/46)^a		250		253,213
4.25%, 03/15/43	(Call 09/15/42)		350		358,568
4.25%, 04/15/47	(Call 10/15/46)^a		276		284,145
4.38%, 03/15/42	(Call 09/15/41)		550		572,550
4.63%, 07/15/35			200		217,884
4.63%, 11/15/41	(Call 05/15/41)		100		107,181


Security		Principal (000s)		Value
4.75%, 07/15/45		$	825	$	910,313
5.70%, 10/15/40	(Call 04/15/40)		100		123,005
5.80%, 03/15/36			525		648,133
5.95%, 02/15/41	(Call 08/15/40)		300		379,584
6.50%, 06/15/37^a			100		132,512
6.63%, 11/15/37			111		147,787
6.88%, 02/15/38			500		684,550

					14,400,969
HOME FURNISHINGS — 0.01%
Whirlpool Corp.
4.50%, 06/01/46	(Call 12/01/45)		100		99,036

					99,036
HOUSEHOLD PRODUCTS & WARES — 0.11%
Kimberly-Clark Corp.
3.20%, 07/30/46	(Call 01/30/46)		150		130,702
3.90%, 05/04/47	(Call 11/04/46)^a		250		246,967
5.30%, 03/01/41			6		7,107
6.63%, 08/01/37			275		371,715

					756,491
HOUSEWARES — 0.15%
Newell Brands Inc.
5.38%, 04/01/36	(Call 10/01/35)		350		372,131
5.50%, 04/01/46	(Call 10/01/45)		650		688,382

					1,060,513
INSURANCE — 3.35%
ACE Capital Trust II
9.70%, 04/01/30			100		146,464
Aflac Inc.
4.00%, 10/15/46	(Call 04/15/46)^a		250		241,280
Alleghany Corp.
4.90%, 09/15/44	(Call 03/15/44)		150		155,972
Allstate Corp. (The)
4.20%, 12/15/46	(Call 06/15/46)		45		45,641
4.50%, 06/15/43			500		531,490
5.35%, 06/01/33			68		76,952
5.55%, 05/09/35			326		382,196
5.95%, 04/01/36			50		61,347
American Financial Group Inc./OH
4.50%, 06/15/47	(Call 12/15/46)		200		197,988
American International Group Inc.
3.88%, 01/15/35	(Call 07/15/34)		575		542,938
4.38%, 01/15/55	(Call 07/15/54)		350		326,956


Security		Principal (000s)		Value
4.50%, 07/16/44	(Call 01/16/44)	$	725	$	719,961
4.70%, 07/10/35	(Call 01/10/35)		500		519,210
4.80%, 07/10/45	(Call 01/10/45)		250		259,810
6.25%, 05/01/36			400		486,024
Aon PLC
4.60%, 06/14/44	(Call 03/14/44)		400		412,208
4.75%, 05/15/45	(Call 11/15/44)		246		259,085
Arch Capital Group U.S. Inc.
5.14%, 11/01/43			500		557,790
Assurant Inc.
6.75%, 02/15/34			200		238,632
AXA SA
8.60%, 12/15/30			650		903,773
Berkshire Hathaway Finance Corp.
4.30%, 05/15/43^a			118		123,951
4.40%, 05/15/42			325		344,883
5.75%, 01/15/40			200		250,228
Berkshire Hathaway Inc.
4.50%, 02/11/43^a			525		568,034
Brighthouse Financial Inc.
4.70%, 06/22/47	(Call 12/22/46)^a,b		500		466,105
Chubb Corp. (The)
6.00%, 05/11/37			485		612,245
Chubb INA Holdings Inc.
4.15%, 03/13/43			350		359,439
4.35%, 11/03/45	(Call 05/03/45)		600		636,402
Cincinnati Financial Corp.
6.92%, 05/15/28			11		13,630
Everest Reinsurance Holdings Inc.
4.87%, 06/01/44			200		199,774
Hartford Financial Services Group Inc. (The)
4.30%, 04/15/43^a			14		14,066
5.95%, 10/15/36^a			200		240,398
6.10%, 10/01/41			200		249,376
Lincoln National Corp.
6.15%, 04/07/36			175		210,093
6.30%, 10/09/37			16		19,597
7.00%, 06/15/40			300		405,201
Loews Corp.
4.13%, 05/15/43	(Call 11/15/42)		200		197,386
6.00%, 02/01/35			150		182,039


Security		Principal (000s)		Value
Manulife Financial Corp.
5.38%, 03/04/46^a		$	300	$	351,297
Markel Corp.
4.30%, 11/01/47	(Call 05/01/47)		100		95,753
5.00%, 04/05/46			150		159,495
Marsh & McLennan Companies Inc.
4.20%, 03/01/48			185		184,604
4.35%, 01/30/47	(Call 07/30/46)^a		172		176,303
5.88%, 08/01/33			150		181,665
MetLife Inc.
4.05%, 03/01/45			450		436,972
4.13%, 08/13/42			400		396,104
4.60%, 05/13/46	(Call 11/13/45)^a		350		368,721
4.72%, 12/15/44			450		484,164
4.88%, 11/13/43			400		436,812
5.70%, 06/15/35			450		545,166
6.40%, 12/15/66	(Call 12/15/31)		545		614,422
6.50%, 12/15/32			450		569,250
10.75%, 08/01/69	(Call 08/01/34)		16		25,902
Principal Financial Group Inc.
4.35%, 05/15/43			450		453,519
4.63%, 09/15/42			5		5,152
6.05%, 10/15/36			166		203,264
Progressive Corp. (The)
3.70%, 01/26/45			100		95,096
4.13%, 04/15/47	(Call 10/15/46)		476		480,051
4.35%, 04/25/44			136		142,125
6.25%, 12/01/32			100		124,973
Prudential Financial Inc.
3.91%, 12/07/47	(Call 06/07/47)^b		700		662,186
3.94%, 12/07/49	(Call 06/07/49)^b		455		431,850
4.60%, 05/15/44			300		317,967
5.70%, 12/14/36			300		362,745
6.63%, 06/21/40			5		6,679
Sompo International Holdings Ltd.
7.00%, 07/15/34			175		213,743
Transatlantic Holdings Inc.
8.00%, 11/30/39			150		197,874
Travelers Companies Inc. (The)
3.75%, 05/15/46	(Call 11/15/45)		350		336,472
4.00%, 05/30/47	(Call 11/30/46)^a		275		275,116
4.05%, 03/07/48			210		208,664
4.30%, 08/25/45	(Call 02/25/45)		175		182,798


Security		Principal (000s)		Value
4.60%, 08/01/43		$	66	$	71,944
5.35%, 11/01/40			200		240,512
6.25%, 06/15/37			500		649,525
6.75%, 06/20/36			50		67,423
Travelers Property Casualty Corp.
6.38%, 03/15/33			110		137,999
Unum Group
5.75%, 08/15/42			250		294,273
Voya Financial Inc.
4.80%, 06/15/46			100		103,430
5.70%, 07/15/43			200		232,318
WR Berkley Corp.
4.75%, 08/01/44			50		51,219
XLIT Ltd.
5.50%, 03/31/45			226		240,638

					23,974,749
INTERNET — 0.87%
Alibaba Group Holding Ltd.
4.00%, 12/06/37	(Call 06/06/37)^a		300		286,653
4.20%, 12/06/47	(Call 06/06/47)^a		800		762,856
4.50%, 11/28/34	(Call 05/28/34)		600		623,220
Amazon.com Inc.
4.05%, 08/22/47	(Call 02/22/47)^b		1,150		1,142,916
4.25%, 08/22/57	(Call 02/22/57)^b		1,225		1,224,706
4.80%, 12/05/34	(Call 06/05/34)		860		950,575
4.95%, 12/05/44	(Call 06/05/44)		810		917,916
eBay Inc.
4.00%, 07/15/42	(Call 01/15/42)^a		325		289,104

					6,197,946
IRON & STEEL — 0.49%
Nucor Corp.
5.20%, 08/01/43	(Call 02/01/43)^a		199		228,538
6.40%, 12/01/37			286		364,784
Vale Overseas Ltd.
6.88%, 11/21/36^a			1,000		1,203,280
6.88%, 11/10/39			525		636,337
8.25%, 01/17/34			255		331,321
Vale SA
5.63%, 09/11/42			705		759,736

					3,523,996
LEISURE TIME — 0.02%
Harley-Davidson Inc.
4.63%, 07/28/45	(Call 01/28/45)^a		150		154,131

					154,131


Security		Principal (000s)		Value
MACHINERY — 0.46%
Caterpillar Inc.
3.80%, 08/15/42^a		$	810	$	804,840
4.30%, 05/15/44	(Call 11/15/43)		200		216,366
4.75%, 05/15/64	(Call 11/15/63)^a		225		250,731
5.20%, 05/27/41			425		508,177
5.30%, 09/15/35			11		12,979
6.05%, 08/15/36			111		141,807
Cummins Inc.
4.88%, 10/01/43	(Call 04/01/43)		150		167,764
Deere & Co.
3.90%, 06/09/42	(Call 12/09/41)^a		600		612,366
5.38%, 10/16/29			200		233,766
7.13%, 03/03/31			111		148,352
Xylem Inc./NY
4.38%, 11/01/46	(Call 05/01/46)		200		201,796

					3,298,944
MANUFACTURING — 1.47%
3M Co.
3.13%, 09/19/46	(Call 03/19/46)		200		175,470
3.63%, 10/15/47	(Call 04/15/47)		355		340,157
3.88%, 06/15/44			150		150,039
5.70%, 03/15/37			150		188,505
Crane Co.
4.20%, 03/15/48	(Call 09/15/47)		45		44,142
Dover Corp.
5.38%, 03/01/41	(Call 12/01/40)		300		348,018
Eaton Corp.
4.00%, 11/02/32			800		793,288
4.15%, 11/02/42			100		98,595
General Electric Co.
4.13%, 10/09/42			650		607,230
4.50%, 03/11/44^a			1,000		990,050
5.88%, 01/14/38^a			1,200		1,405,368
6.15%, 08/07/37^a			600		715,956
6.88%, 01/10/39			700		908,712
Series A
6.75%, 03/15/32			1,100		1,366,002
Illinois Tool Works Inc.
3.90%, 09/01/42	(Call 03/01/42)		450		453,789
4.88%, 09/15/41	(Call 03/15/41)		350		399,245


Security		Principal (000s)		Value
Ingersoll-Rand Global Holding Co. Ltd.
4.30%, 02/21/48	(Call 08/21/47)	$	250	$	250,325
5.75%, 06/15/43			236		284,404
Ingersoll-Rand Luxembourg Finance SA
4.65%, 11/01/44	(Call 05/01/44)		150		157,625
Parker-Hannifin Corp.
4.10%, 03/01/47	(Call 09/01/46)		400		405,712
4.20%, 11/21/34	(Call 05/21/34)		100		103,886
4.45%, 11/21/44	(Call 05/21/44)		200		213,940
Series A
6.25%, 05/15/38			100		128,834

					10,529,292
MEDIA — 4.88%
21st Century Fox America Inc.
4.75%, 09/15/44	(Call 03/15/44)		350		376,274
4.95%, 10/15/45	(Call 04/15/45)		200		222,360
5.40%, 10/01/43			300		351,135
6.15%, 03/01/37			400		498,688
6.15%, 02/15/41			750		946,192
6.20%, 12/15/34			500		619,520
6.40%, 12/15/35			302		381,964
6.55%, 03/15/33			300		378,189
6.65%, 11/15/37			300		392,952
6.90%, 08/15/39			11		14,808
7.75%, 12/01/45			350		533,778
7.85%, 03/01/39			200		292,142
8.15%, 10/17/36			100		146,671
CBS Corp.
4.60%, 01/15/45	(Call 07/15/44)		200		194,460
4.85%, 07/01/42	(Call 01/01/42)		250		249,280
4.90%, 08/15/44	(Call 02/15/44)		175		179,305
5.50%, 05/15/33			350		377,202
5.90%, 10/15/40	(Call 04/15/40)		150		171,873
7.88%, 07/30/30			350		461,093
Charter Communications Operating LLC/Charter Communications Operating Capital
5.38%, 05/01/47	(Call 11/01/46)		700		691,593
6.38%, 10/23/35	(Call 04/23/35)		1,175		1,324,002
6.48%, 10/23/45	(Call 04/23/45)		1,400		1,574,272
6.83%, 10/23/55	(Call 04/23/55)^a		250		290,413


Security		Principal (000s)		Value
Comcast Corp.
3.20%, 07/15/36	(Call 01/15/36)	$	850	$	744,600
3.40%, 07/15/46	(Call 01/15/46)		400		342,480
3.90%, 03/01/38	(Call 09/01/37)		250		238,828
3.97%, 11/01/47	(Call 05/01/47)		936		874,851
4.00%, 11/01/49	(Call 05/01/49)		860		799,783
4.05%, 11/01/52	(Call 05/01/52)^a		350		326,795
4.20%, 08/15/34	(Call 02/15/34)		850		853,247
4.25%, 01/15/33			900		921,186
4.40%, 08/15/35	(Call 02/15/35)		500		508,430
4.50%, 01/15/43			500		507,760
4.60%, 08/15/45	(Call 02/15/45)		885		917,046
4.65%, 07/15/42			660		685,390
4.75%, 03/01/44			600		633,606
5.65%, 06/15/35			111		130,634
6.40%, 05/15/38			47		59,566
6.50%, 11/15/35			475		610,517
7.05%, 03/15/33			161		209,748
Discovery Communications LLC
4.88%, 04/01/43			225		214,250
4.95%, 05/15/42			175		166,385
5.00%, 09/20/37	(Call 03/20/37)		460		459,149
5.20%, 09/20/47	(Call 03/20/47)^a		650		645,931
6.35%, 06/01/40			500		563,415
Grupo Televisa SAB
5.00%, 05/13/45	(Call 11/13/44)		450		428,985
6.13%, 01/31/46	(Call 07/31/45)^a		400		445,576
6.63%, 01/15/40			300		350,649
NBCUniversal Media LLC
4.45%, 01/15/43			500		504,310
5.95%, 04/01/41			700		851,795
Thomson Reuters Corp.
5.50%, 08/15/35			150		162,810
5.65%, 11/23/43	(Call 05/23/43)		125		144,250
5.85%, 04/15/40^a			350		404,579
Time Warner Cable LLC
4.50%, 09/15/42	(Call 03/15/42)		650		574,444
5.50%, 09/01/41	(Call 03/01/41)		300		303,462
5.88%, 11/15/40	(Call 05/15/40)		650		690,189
6.55%, 05/01/37			350		396,676
6.75%, 06/15/39			675		775,271
7.30%, 07/01/38			650		785,343


Security		Principal (000s)		Value
Time Warner Entertainment Co. LP
8.38%, 07/15/33		$	450	$	597,177
Time Warner Inc.
4.65%, 06/01/44	(Call 12/01/43)		300		293,442
4.85%, 07/15/45	(Call 01/15/45)		250		251,595
4.90%, 06/15/42			400		404,380
5.35%, 12/15/43			325		348,075
5.38%, 10/15/41			250		267,630
6.10%, 07/15/40			350		405,146
6.25%, 03/29/41			200		237,918
Viacom Inc.
4.38%, 03/15/43			350		314,814
5.25%, 04/01/44	(Call 10/01/43)		200		203,186
5.85%, 09/01/43	(Call 03/01/43)		450		492,777
6.88%, 04/30/36			500		594,270
Walt Disney Co. (The)
3.00%, 07/30/46			125		106,318
3.70%, 12/01/42			325		315,503
4.13%, 06/01/44^a			300		311,034
4.38%, 08/16/41			250		266,175
7.00%, 03/01/32			200		268,458
Series E
4.13%, 12/01/41			300		309,597

					34,887,597
METAL FABRICATE & HARDWARE — 0.02%
Precision Castparts Corp.
3.90%, 01/15/43	(Call 07/15/42)		166		163,017
4.38%, 06/15/45	(Call 12/15/44)		11		11,654

					174,671
MINING — 1.25%
Barrick Gold Corp.
5.25%, 04/01/42			300		333,492
Barrick North America Finance LLC
5.70%, 05/30/41			450		524,263
5.75%, 05/01/43			355		420,753
Barrick PD Australia Finance Pty Ltd.
5.95%, 10/15/39			400		469,712
BHP Billiton Finance USA Ltd.
4.13%, 02/24/42			600		615,828
5.00%, 09/30/43			875		1,008,000
Goldcorp Inc.
5.45%, 06/09/44	(Call 12/09/43)		161		180,159


Security		Principal (000s)		Value
Newmont Mining Corp.
4.88%, 03/15/42	(Call 09/15/41)^a	$	365	$	386,053
5.88%, 04/01/35^a			125		145,314
6.25%, 10/01/39			400		489,376
Rio Tinto Alcan Inc.
5.75%, 06/01/35			11		13,294
6.13%, 12/15/33			11		13,630
7.25%, 03/15/31			275		351,838
Rio Tinto Finance USA Ltd.
5.20%, 11/02/40			600		701,328
7.13%, 07/15/28			200		256,968
Rio Tinto Finance USA PLC
4.13%, 08/21/42	(Call 02/21/42)		338		344,980
4.75%, 03/22/42	(Call 09/22/41)^a		330		364,944
Southern Copper Corp.
5.25%, 11/08/42			600		638,394
5.88%, 04/23/45			450		516,919
6.75%, 04/16/40			500		625,850
7.50%, 07/27/35			300		391,959
Vale Canada Ltd.
7.20%, 09/15/32			100		113,705

					8,906,759
OFFICE & BUSINESS EQUIPMENT — 0.02%
Xerox Corp.
6.75%, 12/15/39^a			150		160,761

					160,761
OIL & GAS — 6.95%
Anadarko Finance Co.
7.50%, 05/01/31			425		535,819
Anadarko Petroleum Corp.
4.50%, 07/15/44	(Call 01/15/44)		325		311,961
6.20%, 03/15/40			500		588,570
6.45%, 09/15/36			550		659,576
6.60%, 03/15/46	(Call 09/15/45)^a		545		680,394
Apache Corp.
4.25%, 01/15/44	(Call 07/15/43)		340		313,888
4.75%, 04/15/43	(Call 10/15/42)		750		740,497
5.10%, 09/01/40	(Call 03/01/40)		450		462,852
6.00%, 01/15/37			600		680,142
BP Capital Markets PLC
3.72%, 11/28/28	(Call 08/28/28)^a		350		351,715


Security		Principal (000s)		Value
Burlington Resources Finance Co.
7.20%, 08/15/31		$	300	$	388,989
7.40%, 12/01/31			300		393,615
Canadian Natural Resources Ltd.
4.95%, 06/01/47	(Call 12/01/46)		500		521,585
5.85%, 02/01/35			150		170,300
6.25%, 03/15/38			450		543,344
6.45%, 06/30/33			200		239,884
7.20%, 01/15/32			300		376,677
Cenovus Energy Inc.
5.25%, 06/15/37	(Call 12/15/36)		650		650,682
5.40%, 06/15/47	(Call 12/15/46)		725		727,661
6.75%, 11/15/39			250		286,505
CNOOC Nexen Finance 2014 ULC
4.88%, 04/30/44^a			600		645,258
Concho Resources Inc.
4.88%, 10/01/47	(Call 04/01/47)		250		259,160
Conoco Funding Co.
7.25%, 10/15/31			300		397,827
ConocoPhillips
5.90%, 10/15/32			13		15,529
6.50%, 02/01/39			750		979,980
ConocoPhillips Canada Funding Co. I
5.95%, 10/15/36			350		429,086
ConocoPhillips Co.
4.15%, 11/15/34	(Call 05/15/34)		350		353,297
4.30%, 11/15/44	(Call 05/15/44)		600		617,400
5.95%, 03/15/46	(Call 09/15/45)^a		175		220,794
ConocoPhillips Holding Co.
6.95%, 04/15/29			850		1,084,141
Devon Energy Corp.
4.75%, 05/15/42	(Call 11/15/41)^a		750		755,497
5.00%, 06/15/45	(Call 12/15/44)		450		470,277
5.60%, 07/15/41	(Call 01/15/41)		425		475,069
7.95%, 04/15/32			80		107,434
Devon Financing Co. LLC
7.88%, 09/30/31			50		66,331
Ecopetrol SA
5.88%, 05/28/45			550		551,881
7.38%, 09/18/43			450		536,202
Encana Corp.
6.50%, 08/15/34			500		596,215
6.50%, 02/01/38			550		663,063


Security		Principal (000s)		Value
EOG Resources Inc.
3.90%, 04/01/35	(Call 10/01/34)	$	300	$	296,520
Exxon Mobil Corp.
3.57%, 03/06/45	(Call 09/06/44)		250		237,333
4.11%, 03/01/46	(Call 09/01/45)^a		1,175		1,224,984
Hess Corp.
5.60%, 02/15/41			500		514,170
5.80%, 04/01/47	(Call 10/01/46)^a		350		369,450
6.00%, 01/15/40			200		211,608
7.13%, 03/15/33			225		271,517
7.30%, 08/15/31			500		608,085
Kerr-McGee Corp.
7.88%, 09/15/31			14		18,165
Marathon Oil Corp.
5.20%, 06/01/45	(Call 12/01/44)		200		210,024
6.60%, 10/01/37			475		572,370
6.80%, 03/15/32			26		31,014
Marathon Petroleum Corp.
4.75%, 09/15/44	(Call 03/15/44)		400		392,924
5.00%, 09/15/54	(Call 03/15/54)		200		195,222
6.50%, 03/01/41	(Call 09/01/40)^a		400		486,076
Nexen Energy ULC
6.40%, 05/15/37			600		744,198
7.50%, 07/30/39			400		562,192
7.88%, 03/15/32			160		219,029
Noble Energy Inc.
5.05%, 11/15/44	(Call 05/15/44)		300		310,935
5.25%, 11/15/43	(Call 05/15/43)		500		532,240
6.00%, 03/01/41	(Call 09/01/40)		500		576,460
Occidental Petroleum Corp.
4.10%, 02/15/47	(Call 08/15/46)^a		400		396,468
4.40%, 04/15/46	(Call 10/15/45)		365		379,199
4.63%, 06/15/45	(Call 12/15/44)		450		476,591
Petroleos Mexicanos
5.50%, 06/27/44			1,150		1,031,734
5.63%, 01/23/46			1,250		1,121,650
6.38%, 01/23/45			1,300		1,264,679
6.50%, 06/02/41			1,300		1,287,013
6.63%, 06/15/35			1,400		1,450,722
6.63%, 06/15/38			300		304,545
6.75%, 09/21/47			1,450		1,473,765
6.75%, 09/21/47^b			300		305,373


Security		Principal (000s)		Value
Phillips 66
4.65%, 11/15/34	(Call 05/15/34)	$	550	$	576,345
4.88%, 11/15/44	(Call 05/15/44)		860		904,582
5.88%, 05/01/42			240		285,562
Shell International Finance BV
3.75%, 09/12/46			670		638,255
4.00%, 05/10/46			1,225		1,209,957
4.13%, 05/11/35			565		582,628
4.38%, 05/11/45			1,100		1,156,661
4.55%, 08/12/43			800		858,608
5.50%, 03/25/40			300		361,506
6.38%, 12/15/38			650		859,222
Statoil ASA
3.95%, 05/15/43			500		495,055
4.25%, 11/23/41			100		103,331
4.80%, 11/08/43^a			300		337,557
5.10%, 08/17/40			230		265,903
Suncor Energy Inc.
4.00%, 11/15/47	(Call 05/15/47)		85		81,971
5.35%, 07/15/33			125		141,070
5.95%, 12/01/34			150		182,091
5.95%, 05/15/35			11		13,345
6.50%, 06/15/38			400		515,980
6.80%, 05/15/38			750		994,170
6.85%, 06/01/39			575		772,737
Tosco Corp.
8.13%, 02/15/30			61		83,884
Valero Energy Corp.
4.90%, 03/15/45			350		371,679
6.63%, 06/15/37			575		716,157
7.50%, 04/15/32			200		261,538

					49,695,146
OIL & GAS SERVICES — 0.60%
Baker Hughes a GE Co. LLC
5.13%, 09/15/40^a			515		568,004
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
4.08%, 12/15/47	(Call 06/15/47)		355		333,395
Halliburton Co.
4.50%, 11/15/41	(Call 05/15/41)		350		351,869
4.75%, 08/01/43	(Call 02/01/43)		500		519,715
4.85%, 11/15/35	(Call 05/15/35)		775		830,164
5.00%, 11/15/45	(Call 05/15/45)		675		729,061


Security		Principal (000s)		Value
6.70%, 09/15/38^a		$	21	$	27,169
7.45%, 09/15/39			375		515,377
National Oilwell Varco Inc.
3.95%, 12/01/42	(Call 06/01/42)		500		434,345

					4,309,099
PACKAGING & CONTAINERS — 0.08%
Sonoco Products Co.
5.75%, 11/01/40	(Call 05/01/40)		128		145,395
WestRock MWV LLC
7.95%, 02/15/31			11		14,858
8.20%, 01/15/30			300		406,497

					566,750
PHARMACEUTICALS — 4.56%
AbbVie Inc.
4.30%, 05/14/36	(Call 11/14/35)		850		851,479
4.40%, 11/06/42			950		942,105
4.45%, 05/14/46	(Call 11/14/45)		800		798,208
4.50%, 05/14/35	(Call 11/14/34)		800		823,416
4.70%, 05/14/45	(Call 11/14/44)		1,000		1,032,990
Allergan Funding SCS
4.55%, 03/15/35	(Call 09/15/34)		1,450		1,446,215
4.75%, 03/15/45	(Call 09/15/44)		445		442,121
4.85%, 06/15/44	(Call 12/15/43)		450		455,967
AmerisourceBergen Corp.
4.25%, 03/01/45	(Call 09/01/44)		250		233,533
4.30%, 12/15/47	(Call 06/15/47)		250		234,460
AstraZeneca PLC
4.00%, 09/18/42			425		405,323
4.38%, 11/16/45			775		784,253
6.45%, 09/15/37			700		895,986
Bristol-Myers Squibb Co.
3.25%, 08/01/42^a			49		44,037
4.50%, 03/01/44	(Call 09/01/43)		330		357,248
Cardinal Health Inc.
4.37%, 06/15/47	(Call 12/15/46)^a		250		235,453
4.50%, 11/15/44	(Call 05/15/44)		200		191,612
4.60%, 03/15/43			400		392,420
CVS Health Corp.
4.88%, 07/20/35	(Call 01/20/35)		600		621,696
5.13%, 07/20/45	(Call 01/20/45)		1,550		1,619,672
5.30%, 12/05/43	(Call 06/05/43)		173		185,589


Security		Principal (000s)		Value
Eli Lilly & Co.
3.70%, 03/01/45	(Call 09/01/44)	$	475	$	458,541
3.95%, 05/15/47	(Call 11/15/46)		305		307,681
5.55%, 03/15/37			166		202,771
Express Scripts Holding Co.
4.80%, 07/15/46	(Call 01/15/46)^a		350		350,532
6.13%, 11/15/41^a			350		406,613
GlaxoSmithKline Capital Inc.
4.20%, 03/18/43			305		317,136
5.38%, 04/15/34			200		232,914
6.38%, 05/15/38			1,150		1,526,636
Johnson & Johnson
3.50%, 01/15/48	(Call 07/15/47)		650		612,553
3.55%, 03/01/36	(Call 09/01/35)		800		787,552
3.70%, 03/01/46	(Call 09/01/45)		825		806,611
3.75%, 03/03/47	(Call 09/03/46)		450		443,165
4.38%, 12/05/33	(Call 06/05/33)		550		596,959
4.50%, 09/01/40			450		500,004
4.50%, 12/05/43	(Call 06/05/43)^a		300		331,167
4.85%, 05/15/41			11		12,620
4.95%, 05/15/33			261		302,358
5.85%, 07/15/38			213		274,727
5.95%, 08/15/37			200		259,784
Mead Johnson Nutrition Co.
4.60%, 06/01/44	(Call 12/01/43)		153		155,219
5.90%, 11/01/39			250		296,103
Merck & Co. Inc.
3.60%, 09/15/42	(Call 03/15/42)		11		10,513
3.70%, 02/10/45	(Call 08/10/44)		1,100		1,069,123
4.15%, 05/18/43			900		935,109
Mylan Inc.
5.40%, 11/29/43	(Call 05/29/43)		300		311,181
Mylan NV
5.25%, 06/15/46	(Call 12/15/45)^a		410		414,084
Novartis Capital Corp.
3.70%, 09/21/42			125		120,701
4.00%, 11/20/45	(Call 05/20/45)^a		850		866,507
4.40%, 05/06/44			600		650,130
Perrigo Finance Unlimited Co.
4.90%, 12/15/44	(Call 06/15/44)		162		159,576
Pfizer Inc.
4.00%, 12/15/36			260		267,722
4.13%, 12/15/46^a			530		545,704


Security		Principal (000s)		Value
4.30%, 06/15/43		$	300	$	314,364
4.40%, 05/15/44			550		586,482
5.60%, 09/15/40^a			100		121,199
7.20%, 03/15/39			1,015		1,473,658
Pharmacia LLC
6.60%, 12/01/28			500		631,570
Wyeth LLC
5.95%, 04/01/37			925		1,176,452
6.00%, 02/15/36			21		26,392
6.50%, 02/01/34			43		55,921
Zoetis Inc.
3.95%, 09/12/47	(Call 03/12/47)		170		161,201
4.70%, 02/01/43	(Call 08/01/42)		490		519,856

					32,592,874
PIPELINES — 4.11%
Buckeye Partners LP
5.60%, 10/15/44	(Call 04/15/44)		100		101,370
5.85%, 11/15/43	(Call 05/15/43)		200		210,666
Columbia Pipeline Group Inc.
5.80%, 06/01/45	(Call 12/01/44)		175		203,007
Enable Midstream Partners LP
5.00%, 05/15/44	(Call 11/15/43)		125		118,739
Enbridge Energy Partners LP
5.50%, 09/15/40	(Call 03/15/40)		200		212,028
Series B
7.50%, 04/15/38			300		381,384
Enbridge Inc.
4.50%, 06/10/44	(Call 12/10/43)		200		195,242
5.50%, 12/01/46	(Call 05/29/46)^a		250		281,750
Energy Transfer LP
4.90%, 03/15/35	(Call 09/15/34)		170		162,804
5.15%, 02/01/43	(Call 08/01/42)		200		188,854
5.15%, 03/15/45	(Call 09/15/44)		400		375,732
5.30%, 04/15/47	(Call 10/15/46)		600		581,106
6.05%, 06/01/41	(Call 12/01/40)		50		52,606
6.13%, 12/15/45	(Call 06/15/45)		410		437,085
6.50%, 02/01/42	(Call 08/01/41)		600		662,472
6.63%, 10/15/36			135		151,523
7.50%, 07/01/38			375		455,636
EnLink Midstream Partners LP
5.05%, 04/01/45	(Call 10/01/44)		150		142,077
5.45%, 06/01/47	(Call 12/01/46)		300		300,327
5.60%, 04/01/44	(Call 10/01/43)		100		100,614


Security		Principal (000s)		Value
Enterprise Products Operating LLC
4.25%, 02/15/48	(Call 08/15/47)	$	250	$	239,970
4.45%, 02/15/43	(Call 08/15/42)		525		519,613
4.85%, 08/15/42	(Call 02/15/42)		325		339,092
4.85%, 03/15/44	(Call 09/15/43)		550		575,564
4.90%, 05/15/46	(Call 11/15/45)		600		633,480
4.95%, 10/15/54	(Call 04/15/54)		200		207,986
5.10%, 02/15/45	(Call 08/15/44)		550		595,270
5.70%, 02/15/42			200		232,812
5.95%, 02/01/41			250		294,598
6.13%, 10/15/39			145		174,902
7.55%, 04/15/38			150		201,426
Series D
6.88%, 03/01/33			200		251,776
Series H
6.65%, 10/15/34			111		138,232
Kinder Morgan Energy Partners LP
4.70%, 11/01/42	(Call 05/01/42)		250		235,260
5.00%, 08/15/42	(Call 02/15/42)		250		244,515
5.00%, 03/01/43	(Call 09/01/42)		100		97,813
5.40%, 09/01/44	(Call 03/01/44)		210		213,908
5.50%, 03/01/44	(Call 09/01/43)		400		412,864
5.80%, 03/15/35			650		707,525
6.38%, 03/01/41			230		261,526
6.55%, 09/15/40			100		115,285
6.95%, 01/15/38			800		973,832
7.30%, 08/15/33			36		43,949
7.40%, 03/15/31			118		142,347
7.50%, 11/15/40			300		378,888
7.75%, 03/15/32			100		124,176
Kinder Morgan Inc./DE
5.05%, 02/15/46	(Call 08/15/45)		405		398,508
5.20%, 03/01/48	(Call 09/01/47)		250		251,298
5.30%, 12/01/34	(Call 06/01/34)		275		282,136
5.55%, 06/01/45	(Call 12/01/44)		850		892,661
7.75%, 01/15/32			325		413,816
Magellan Midstream Partners LP
4.20%, 10/03/47	(Call 04/03/47)		130		125,184
4.25%, 09/15/46	(Call 03/15/46)^a		250		242,390
5.15%, 10/15/43	(Call 04/15/43)		250		272,860
MPLX LP
4.50%, 04/15/38	(Call 10/15/37)		750		730,432
4.70%, 04/15/48	(Call 10/15/47)		750		726,607
5.20%, 03/01/47	(Call 09/01/46)^a		350		364,196


Security		Principal (000s)		Value
ONEOK Inc.
4.95%, 07/13/47	(Call 01/06/47)	$	350	$	354,574
ONEOK Partners LP
6.13%, 02/01/41	(Call 08/01/40)		225		259,605
6.20%, 09/15/43	(Call 03/15/43)		25		29,384
6.65%, 10/01/36			400		480,952
6.85%, 10/15/37			300		368,655
Phillips 66 Partners LP
4.90%, 10/01/46	(Call 04/01/46)^a		450		453,541
Plains All American Pipeline LP/PAA Finance Corp.
4.70%, 06/15/44	(Call 12/15/43)		250		226,938
4.90%, 02/15/45	(Call 08/15/44)		200		187,452
5.15%, 06/01/42	(Call 12/01/41)		350		335,598
6.65%, 01/15/37			275		313,987
Sabine Pass Liquefaction LLC
4.20%, 03/15/28	(Call 09/15/27)		400		392,344
Spectra Energy Partners LP
4.50%, 03/15/45	(Call 09/15/44)		300		293,598
5.95%, 09/25/43	(Call 03/25/43)		150		175,908
Sunoco Logistics Partners Operations LP
4.95%, 01/15/43	(Call 07/15/42)		250		231,463
5.30%, 04/01/44	(Call 10/01/43)		250		242,365
5.40%, 10/01/47	(Call 04/01/47)		500		489,585
6.10%, 02/15/42			175		186,037
Tennessee Gas Pipeline Co. LLC
7.00%, 10/15/28			275		327,852
Texas Eastern Transmission LP
7.00%, 07/15/32			200		249,324
TransCanada PipeLines Ltd.
4.63%, 03/01/34	(Call 12/01/33)^a		700		742,161
5.00%, 10/16/43	(Call 04/16/43)^a		310		343,734
5.60%, 03/31/34			300		344,472
5.85%, 03/15/36			100		120,152
6.10%, 06/01/40			174		216,637
6.20%, 10/15/37			300		373,728
7.25%, 08/15/38			300		410,901
7.63%, 01/15/39^a			450		639,418
Transcontinental Gas Pipe Line Co. LLC
4.45%, 08/01/42	(Call 02/01/42)		350		345,695
5.40%, 08/15/41	(Call 02/15/41)		26		29,265


Security		Principal (000s)		Value
Western Gas Partners LP
5.45%, 04/01/44	(Call 10/01/43)	$	300	$	306,933
Williams Partners LP
4.90%, 01/15/45	(Call 07/15/44)		225		226,350
5.10%, 09/15/45	(Call 03/15/45)		550		568,645
5.40%, 03/04/44	(Call 09/04/43)		275		293,747
5.80%, 11/15/43	(Call 05/15/43)		50		56,746
6.30%, 04/15/40			335		396,087

					29,385,552
REAL ESTATE INVESTMENT TRUSTS — 0.59%
AvalonBay Communities Inc.
3.90%, 10/15/46	(Call 04/15/46)		200		190,040
4.15%, 07/01/47	(Call 01/01/47)^a		150		148,765
ERP Operating LP
4.50%, 07/01/44	(Call 01/01/44)		100		104,257
4.50%, 06/01/45	(Call 12/01/44)		325		339,066
Essex Portfolio LP
4.50%, 03/15/48			150		150,801
Federal Realty Investment Trust
4.50%, 12/01/44	(Call 06/01/44)		267		275,755
HCP Inc.
6.75%, 02/01/41	(Call 08/01/40)		155		197,053
Kilroy Realty LP
4.25%, 08/15/29	(Call 05/15/29)		14		13,900
Kimco Realty Corp.
4.25%, 04/01/45	(Call 10/01/44)		300		283,293
4.45%, 09/01/47	(Call 03/01/47)		250		240,302
Realty Income Corp.
4.65%, 03/15/47	(Call 09/15/46)		250		260,655
Regency Centers LP
4.40%, 02/01/47	(Call 08/01/46)		200		195,404
Simon Property Group LP
4.25%, 10/01/44	(Call 04/01/44)^a		14		13,955
4.25%, 11/30/46	(Call 05/30/46)		80		79,790
4.75%, 03/15/42	(Call 09/15/41)^a		235		250,531
6.75%, 02/01/40	(Call 11/01/39)		385		512,701
Ventas Realty LP
4.38%, 02/01/45	(Call 08/01/44)		147		142,611
5.70%, 09/30/43	(Call 03/30/43)		11		12,819
Welltower Inc.
6.50%, 03/15/41	(Call 09/15/40)		200		251,736
Weyerhaeuser Co.
7.38%, 03/15/32			400		525,996

					4,189,430


Security		Principal (000s)		Value
RETAIL — 2.54%
Bed Bath & Beyond Inc.
4.92%, 08/01/34	(Call 02/01/34)	$	200	$	174,366
5.17%, 08/01/44	(Call 02/01/44)^a		289		243,445
Darden Restaurants Inc.
4.55%, 02/15/48	(Call 08/15/47)		75		73,959
Home Depot Inc. (The)
3.50%, 09/15/56	(Call 03/15/56)		550		486,277
4.20%, 04/01/43	(Call 10/01/42)		171		176,202
4.25%, 04/01/46	(Call 10/01/45)		600		620,730
4.40%, 03/15/45	(Call 09/15/44)		700		740,131
4.88%, 02/15/44	(Call 08/15/43)		600		675,252
5.40%, 09/15/40	(Call 03/15/40)		21		25,135
5.88%, 12/16/36			900		1,148,499
5.95%, 04/01/41	(Call 10/01/40)		700		896,266
Kohl’s Corp.
5.55%, 07/17/45	(Call 01/17/45)		100		98,165
Lowe’s Companies Inc.
3.70%, 04/15/46	(Call 10/15/45)		300		277,584
4.05%, 05/03/47	(Call 11/03/46)		700		685,804
4.25%, 09/15/44	(Call 03/15/44)		300		302,994
4.38%, 09/15/45	(Call 03/15/45)^a		450		463,698
4.65%, 04/15/42	(Call 10/15/41)		300		322,260
Macy’s Retail Holdings Inc.
4.50%, 12/15/34	(Call 06/15/34)		125		109,048
6.90%, 04/01/29			150		158,774
McDonald’s Corp.
3.63%, 05/01/43			11		9,970
3.70%, 02/15/42			250		229,828
4.45%, 03/01/47	(Call 09/01/46)^a		75		76,817
4.60%, 05/26/45	(Call 11/26/44)		250		261,255
4.70%, 12/09/35	(Call 06/09/35)		900		963,171
4.88%, 07/15/40			6		6,526
4.88%, 12/09/45	(Call 06/09/45)		650		707,297
5.70%, 02/01/39			275		330,132
6.30%, 10/15/37			300		382,377
6.30%, 03/01/38			225		287,735
Nordstrom Inc.
5.00%, 01/15/44	(Call 07/15/43)		150		144,777
6.95%, 03/15/28			175		184,004
QVC Inc.
5.45%, 08/15/34	(Call 02/15/34)^a		175		166,999


Security		Principal (000s)		Value
Starbucks Corp.
3.75%, 12/01/47	(Call 06/01/47)^a	$	100	$	94,776
4.30%, 06/15/45	(Call 12/15/44)		100		103,947
Target Corp.
3.63%, 04/15/46			500		457,045
3.90%, 11/15/47	(Call 05/15/47)		600		574,080
4.00%, 07/01/42^a			700		686,602
Walgreen Co.
4.40%, 09/15/42^a			125		117,799
Walgreens Boots Alliance Inc.
4.50%, 11/18/34	(Call 05/18/34)		150		148,125
4.65%, 06/01/46	(Call 12/01/45)^a		350		341,218
4.80%, 11/18/44	(Call 05/18/44)		450		448,834
Walmart Inc.
3.63%, 12/15/47	(Call 06/15/47)		1,000		970,890
4.00%, 04/11/43	(Call 10/11/42)		650		669,656
4.30%, 04/22/44	(Call 10/22/43)^a		750		806,835
5.63%, 04/15/41			1,000		1,281,620

					18,130,904
SEMICONDUCTORS — 0.75%
Analog Devices Inc.
5.30%, 12/15/45	(Call 06/15/45)		200		228,952
Applied Materials Inc.
4.35%, 04/01/47	(Call 10/01/46)^a		195		203,295
5.10%, 10/01/35	(Call 04/01/35)		350		404,009
5.85%, 06/15/41			400		501,416
Intel Corp.
3.73%, 12/08/47	(Call 06/08/47)^b		1,725		1,654,292
4.00%, 12/15/32			300		313,008
4.10%, 05/19/46	(Call 11/19/45)		750		765,998
QUALCOMM Inc.
4.30%, 05/20/47	(Call 11/20/46)		350		325,759
4.65%, 05/20/35	(Call 11/20/34)		500		506,145
4.80%, 05/20/45	(Call 11/20/44)		450		451,413

					5,354,287
SOFTWARE — 3.08%
Fidelity National Information Services Inc.
4.50%, 08/15/46	(Call 02/15/46)		250		246,175
Microsoft Corp.
3.45%, 08/08/36	(Call 02/08/36)		1,250		1,212,425
3.50%, 02/12/35	(Call 08/12/34)		975		956,260
3.50%, 11/15/42			500		476,040


Security		Principal (000s)		Value
3.70%, 08/08/46	(Call 02/08/46)	$	1,500	$	1,458,870
3.75%, 05/01/43	(Call 11/01/42)		400		394,956
3.75%, 02/12/45	(Call 08/12/44)		450		442,220
3.95%, 08/08/56	(Call 02/08/56)		650		648,473
4.00%, 02/12/55	(Call 08/12/54)		825		824,720
4.10%, 02/06/37	(Call 08/06/36)		455		478,451
4.20%, 11/03/35	(Call 05/03/35)		400		426,372
4.45%, 11/03/45	(Call 05/03/45)		1,000		1,096,830
4.50%, 10/01/40			415		455,753
4.50%, 02/06/57	(Call 08/06/56)		1,000		1,094,680
4.75%, 11/03/55	(Call 05/03/55)		600		683,700
4.88%, 12/15/43	(Call 06/15/43)		300		345,465
5.20%, 06/01/39			322		383,711
5.30%, 02/08/41			750		910,605
Series 30Y
4.25%, 02/06/47	(Call 08/06/46)		760		810,798
Oracle Corp.
3.25%, 05/15/30	(Call 02/15/30)^a		300		287,529
3.80%, 11/15/37	(Call 05/15/37)		250		247,000
3.85%, 07/15/36	(Call 01/15/36)^a		750		749,093
3.90%, 05/15/35	(Call 11/15/34)		900		904,113
4.00%, 07/15/46	(Call 01/15/46)^a		1,000		986,280
4.00%, 11/15/47	(Call 05/15/47)		900		890,460
4.13%, 05/15/45	(Call 11/15/44)		950		956,697
4.30%, 07/08/34	(Call 01/08/34)		925		974,543
4.38%, 05/15/55	(Call 11/15/54)		379		393,743
4.50%, 07/08/44	(Call 01/08/44)^a		550		586,086
5.38%, 07/15/40			875		1,057,446
6.13%, 07/08/39			400		523,176
6.50%, 04/15/38			65		88,031

					21,990,701
TELECOMMUNICATIONS — 7.58%
America Movil SAB de CV
4.38%, 07/16/42^a			643		647,417
6.13%, 11/15/37			125		149,380
6.13%, 03/30/40			900		1,084,266
6.38%, 03/01/35			265		320,907
AT&T Inc.
4.30%, 12/15/42	(Call 06/15/42)		800		728,552
4.35%, 06/15/45	(Call 12/15/44)		800		717,000
4.50%, 05/15/35	(Call 11/15/34)		1,100		1,062,105
4.50%, 03/09/48	(Call 09/09/47)		1,250		1,138,813
4.55%, 03/09/49	(Call 09/09/48)^a		1,300		1,188,395


Security		Principal (000s)		Value
4.75%, 05/15/46	(Call 11/15/45)	$	1,800	$	1,700,514
4.80%, 06/15/44	(Call 12/15/43)		1,200		1,148,220
4.90%, 08/14/37	(Call 02/14/37)		2,150		2,154,579
5.15%, 03/15/42			666		673,046
5.15%, 11/15/46	(Call 05/15/46)^b		1,250		1,250,462
5.15%, 02/14/50	(Call 08/14/49)		1,500		1,495,515
5.25%, 03/01/37	(Call 09/01/36)		750		777,083
5.30%, 08/14/58	(Call 02/14/58)		1,000		998,180
5.35%, 09/01/40			650		669,682
5.45%, 03/01/47	(Call 09/01/46)		1,200		1,250,712
5.65%, 02/15/47	(Call 08/15/46)		950		1,013,565
5.70%, 03/01/57	(Call 09/01/56)		600		640,116
6.00%, 08/15/40	(Call 05/15/40)		359		398,551
6.35%, 03/15/40			325		377,224
6.38%, 03/01/41			500		583,430
British Telecommunications PLC
9.13%, 12/15/30			1,000		1,451,040
Cisco Systems Inc.
5.50%, 01/15/40			750		934,530
5.90%, 02/15/39			800		1,039,904
Deutsche Telekom International Finance BV
8.75%, 06/15/30			1,500		2,144,055
9.25%, 06/01/32			219		337,262
Juniper Networks Inc.
5.95%, 03/15/41^a			200		207,876
Koninklijke KPN NV
8.38%, 10/01/30			450		597,672
Motorola Solutions Inc.
5.50%, 09/01/44			200		199,006
Orange SA
5.38%, 01/13/42			400		462,064
5.50%, 02/06/44	(Call 08/06/43)		425		494,789
9.00%, 03/01/31			900		1,323,954
Rogers Communications Inc.
4.30%, 02/15/48	(Call 08/15/47)		400		395,752
4.50%, 03/15/43	(Call 09/15/42)		150		152,102
5.00%, 03/15/44	(Call 09/15/43)		425		465,426
5.45%, 10/01/43	(Call 04/01/43)		21		24,279
7.50%, 08/15/38			200		272,632
Telefonica Emisiones SAU
4.67%, 03/06/38			210		210,076
5.21%, 03/08/47^a			1,200		1,258,092
7.05%, 06/20/36			600		763,674


Security		Principal (000s)		Value
Telefonica Europe BV
8.25%, 09/15/30		$	250	$	341,688
Verizon Communications Inc.
3.85%, 11/01/42	(Call 05/01/42)		801		697,206
4.13%, 08/15/46			495		442,010
4.27%, 01/15/36			1,250		1,199,363
4.40%, 11/01/34	(Call 05/01/34)		1,450		1,422,218
4.50%, 08/10/33			250		251,363
4.52%, 09/15/48^a			2,000		1,890,080
4.67%, 03/15/55			2,000		1,868,300
4.75%, 11/01/41			515		514,238
4.81%, 03/15/39			1,100		1,107,667
4.86%, 08/21/46			1,875		1,867,537
5.01%, 04/15/49			1,850		1,876,288
5.01%, 08/21/54			2,150		2,117,083
5.50%, 03/16/47			780		853,546
6.55%, 09/15/43			700		876,519
Vodafone Group PLC
4.38%, 02/19/43			950		910,689
6.15%, 02/27/37			250		299,450
6.25%, 11/30/32			325		381,924
7.88%, 02/15/30			250		328,055

					54,147,123
TOYS, GAMES & HOBBIES — 0.05%
Hasbro Inc.
5.10%, 05/15/44	(Call 11/15/43)		151		149,002
6.35%, 03/15/40			200		231,106

					380,108
TRANSPORTATION — 2.89%
Burlington Northern Santa Fe LLC
3.90%, 08/01/46	(Call 02/01/46)		390		381,958
4.05%, 06/15/48	(Call 12/15/47)		250		250,050
4.15%, 04/01/45	(Call 10/01/44)		625		632,787
4.38%, 09/01/42	(Call 03/01/42)		250		261,827
4.40%, 03/15/42	(Call 09/15/41)		500		523,570
4.45%, 03/15/43	(Call 09/15/42)		11		11,639
4.55%, 09/01/44	(Call 03/01/44)		500		534,405
4.70%, 09/01/45	(Call 03/01/45)		275		301,183
4.90%, 04/01/44	(Call 10/01/43)		200		225,032
4.95%, 09/15/41	(Call 03/15/41)		114		127,766
5.05%, 03/01/41	(Call 09/01/40)		56		63,511
5.15%, 09/01/43	(Call 03/01/43)^a		173		199,377
5.40%, 06/01/41	(Call 12/01/40)		375		442,455


Security		Principal (000s)		Value
5.75%, 05/01/40	(Call 11/01/39)	$	300	$	367,878
6.15%, 05/01/37			245		311,179
6.20%, 08/15/36			300		382,506
Canadian National Railway Co.
3.20%, 08/02/46	(Call 02/02/46)		250		223,330
3.65%, 02/03/48	(Call 08/03/47)		100		95,824
6.20%, 06/01/36			50		64,469
6.25%, 08/01/34			111		143,651
6.38%, 11/15/37			175		233,571
6.90%, 07/15/28^a			300		382,176
Canadian Pacific Railway Co.
4.80%, 09/15/35	(Call 03/15/35)		197		217,303
4.80%, 08/01/45	(Call 02/01/45)^a		100		111,388
5.95%, 05/15/37			16		19,906
6.13%, 09/15/15	(Call 03/15/15)		200		245,402
7.13%, 10/15/31			650		845,975
CSX Corp.
3.80%, 11/01/46	(Call 05/01/46)		250		228,367
3.95%, 05/01/50	(Call 11/01/49)		250		229,330
4.10%, 03/15/44	(Call 09/15/43)		275		263,868
4.25%, 11/01/66	(Call 05/01/66)		300		273,813
4.30%, 03/01/48	(Call 09/01/47)		250		246,957
4.40%, 03/01/43	(Call 09/01/42)		200		200,882
4.50%, 08/01/54	(Call 02/01/54)		400		391,852
4.75%, 05/30/42	(Call 11/30/41)		250		262,490
5.50%, 04/15/41	(Call 10/15/40)		70		80,371
6.00%, 10/01/36			450		547,785
6.15%, 05/01/37			105		129,876
6.22%, 04/30/40			105		131,207
FedEx Corp.
3.88%, 08/01/42			500		468,000
3.90%, 02/01/35			300		289,086
4.05%, 02/15/48	(Call 08/15/47)		500		470,985
4.10%, 04/15/43			152		145,149
4.10%, 02/01/45			350		332,864
4.55%, 04/01/46	(Call 10/01/45)		500		508,680
4.75%, 11/15/45	(Call 05/15/45)		450		469,372
4.90%, 01/15/34			200		214,902
5.10%, 01/15/44			301		329,526
Kansas City Southern
4.30%, 05/15/43	(Call 11/15/42)		100		98,438
4.95%, 08/15/45	(Call 02/15/45)^a		200		214,742


Security		Principal (000s)		Value
Norfolk Southern Corp.
3.94%, 11/01/47	(Call 05/01/47)^b	$	200	$	193,182
3.95%, 10/01/42	(Call 04/01/42)		40		38,697
4.05%, 08/15/52	(Call 02/15/52)^b		250		238,837
4.15%, 02/28/48	(Call 08/28/47)		500		494,190
4.45%, 06/15/45	(Call 12/15/44)		175		181,365
4.65%, 01/15/46	(Call 07/15/45)		50		53,391
4.84%, 10/01/41			400		438,460
Union Pacific Corp.
3.35%, 08/15/46	(Call 02/15/46)		150		135,240
3.38%, 02/01/35	(Call 08/01/34)		200		189,826
3.60%, 09/15/37	(Call 03/15/37)		445		429,946
3.88%, 02/01/55	(Call 08/01/54)		400		377,796
4.00%, 04/15/47	(Call 10/15/46)^a		350		352,051
4.05%, 11/15/45	(Call 05/15/45)		225		227,646
4.05%, 03/01/46	(Call 09/01/45)		200		203,850
4.15%, 01/15/45	(Call 07/15/44)		75		76,825
4.30%, 06/15/42	(Call 12/15/41)		450		468,535
4.38%, 11/15/65	(Call 05/15/65)		96		97,658
4.75%, 09/15/41	(Call 03/15/41)		158		174,838
4.82%, 02/01/44	(Call 08/01/43)		220		246,748
6.63%, 02/01/29			250		313,485
United Parcel Service Inc.
3.40%, 11/15/46	(Call 05/15/46)		110		98,757
3.63%, 10/01/42^a			105		99,589
4.88%, 11/15/40	(Call 05/15/40)		330		371,082
6.20%, 01/15/38			810		1,053,931

					20,684,585
TRUCKING & LEASING — 0.02%
GATX Corp.
5.20%, 03/15/44	(Call 09/15/43)^a		150		163,545

					163,545
WATER — 0.21%
American Water Capital Corp.
3.75%, 09/01/47	(Call 03/01/47)		200		192,434
4.00%, 12/01/46	(Call 06/01/46)		95		95,245
4.30%, 12/01/42	(Call 06/01/42)		16		16,672
4.30%, 09/01/45	(Call 03/01/45)^a		500		524,815
6.59%, 10/15/37			239		320,203
United Utilities PLC
6.88%, 08/15/28			200		240,492


Security		Principal (000s)		Value
Veolia Environnement SA
6.75%, 06/01/38		$	100	$	129,094

					1,518,955

TOTAL CORPORATE BONDS & NOTES
(Cost: $626,714,209)					615,061,723

FOREIGN GOVERNMENT OBLIGATIONS^f — 5.24%

CANADA — 0.16%
Hydro-Quebec
9.50%, 11/15/30			200		307,040
Province of Quebec Canada
7.50%, 09/15/29^a			600		822,954

					1,129,994
CHILE — 0.10%
Chile Government International Bond
3.63%, 10/30/42			250		234,688
3.86%, 06/21/47^a			500		475,280

					709,968
COLOMBIA — 0.68%
Colombia Government International Bond
5.00%, 06/15/45	(Call 12/15/44)^a		1,200		1,195,068
5.63%, 02/26/44	(Call 08/26/43)		1,050		1,135,753
6.13%, 01/18/41^a			1,000		1,141,320
7.38%, 09/18/37^a			700		894,047
10.38%, 01/28/33^a			300		473,946

					4,840,134
HUNGARY — 0.11%
Hungary Government International Bond
7.63%, 03/29/41^a			550		798,067

					798,067
INDONESIA — 0.11%
Indonesia Government International Bond
4.35%, 01/11/48^a			800		760,064

					760,064
ISRAEL — 0.17%
Israel Government International Bond
4.13%, 01/17/48			400		387,056
4.50%, 01/30/43			800		820,744

					1,207,800


Security	Principal (000s)		Value
ITALY — 0.13%
Republic of Italy Government International Bond
5.38%, 06/15/33	$	850	$	971,185

				971,185
MEXICO — 1.44%
Mexico Government International Bond
4.35%, 01/15/47^a		900		817,884
4.60%, 01/23/46		1,000		936,230
4.60%, 02/10/48^a		750		704,213
4.75%, 03/08/44		2,000		1,923,240
5.55%, 01/21/45		1,250		1,341,987
5.75%, 10/12/10		900		908,550
6.05%, 01/11/40		1,100		1,237,599
6.75%, 09/27/34		875		1,084,396
7.50%, 04/08/33		427		563,593
8.30%, 08/15/31		500		755,380

				10,273,072
PANAMA — 0.36%
Panama Government International Bond
4.50%, 05/15/47^a		800		816,448
6.70%, 01/26/36^a		700		891,079
9.38%, 04/01/29		600		878,250

				2,585,777
PERU — 0.43%
Peruvian Government International Bond
5.63%, 11/18/50^a		975		1,169,113
6.55%, 03/14/37^a		600		774,516
8.75%, 11/21/33^a		750		1,132,740

				3,076,369
PHILIPPINES — 0.88%
Philippine Government International Bond
3.70%, 02/02/42		800		752,128
3.95%, 01/20/40^a		1,000		978,540
5.00%, 01/13/37		800		892,928
6.38%, 01/15/32		700		866,544
6.38%, 10/23/34^a		700		887,376
7.75%, 01/14/31		900		1,221,138
9.50%, 02/02/30		450		675,094

				6,273,748


Security	Principal (000s)		Value
SOUTH KOREA — 0.07%
Korea International Bond
4.13%, 06/10/44^a	$	500	$	541,060

				541,060
SUPRANATIONAL — 0.23%
Asian Development Bank
5.82%, 06/16/28		310		374,185
European Investment Bank
4.88%, 02/15/36		300		369,603
Inter-American Development Bank
3.20%, 08/07/42		100		97,000
3.88%, 10/28/41		250		271,080
4.38%, 01/24/44		250		291,670
International Bank for Reconstruction & Development
4.75%, 02/15/35		200		243,614

				1,647,152
URUGUAY — 0.37%
Uruguay Government International Bond
4.13%, 11/20/45		300		283,809
5.10%, 06/18/50^a		1,600		1,668,336
7.63%, 03/21/36^a		500		689,985

				2,642,130

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $39,135,665)				37,456,520

MUNICIPAL DEBT OBLIGATIONS — 6.29%

CALIFORNIA — 2.24%
Alameda County Joint Powers Authority RB BAB
Series A
7.05%, 12/01/44		135		193,400
Bay Area Toll Authority RB BAB
Series F-2
6.26%, 04/01/49		400		554,092
Series S-1
7.04%, 04/01/50		700		1,045,716
Series S-3
6.91%, 10/01/50		100		146,858


Security	Principal (000s)		Value
City of San Francisco CA Public Utilities Commission Water Revenue RB BAB
6.95%, 11/01/50	$	220	$	312,508
East Bay Municipal Utility District Water System Revenue RB BAB
Series B
5.87%, 06/01/40		250		311,508
Los Angeles Community College District/CA GO BAB
6.75%, 08/01/49		300		436,365
Los Angeles County Metropolitan Transportation Authority RB BAB
Series A
5.74%, 06/01/39		300		360,972
Los Angeles County Public Works Financing Authority RB BAB
7.62%, 08/01/40		200		293,272
Los Angeles Department of Water & Power System Revenue RB BAB
Series A
6.60%, 07/01/50		350		507,931
Series D
6.57%, 07/01/45		200		283,694
Los Angeles Unified School District/CA GO BAB
5.75%, 07/01/34		750		918,517
Series RY
6.76%, 07/01/34		390		518,969
Regents of the University of California Medical Center Pooled Revenue RB BAB
Series H
6.55%, 05/15/48		450		602,356
San Diego County Regional Transportation Commission RB BAB
5.91%, 04/01/48		200		262,428
San Diego County Water Authority Financing Corp. RB BAB
Series B
6.14%, 05/01/49		300		402,225


Security		Principal (000s)		Value
State of California GO BAB
7.30%, 10/01/39		$	800	$	1,152,632
7.35%, 11/01/39			550		798,044
7.50%, 04/01/34			1,000		1,429,300
7.55%, 04/01/39			1,400		2,108,722
7.60%, 11/01/40			550		846,840
7.63%, 03/01/40			300		452,277
7.95%, 03/01/36	(Call 03/01/20)		750		826,920
University of California RB
Series AD
4.86%, 05/15/12			450		466,709
University of California RB BAB
5.77%, 05/15/43			200		250,812
5.95%, 05/15/45			400		504,768

					15,987,835
CONNECTICUT — 0.03%
State of Connecticut GO
Series A
5.85%, 03/15/32^a			200		233,814

					233,814
DISTRICT OF COLUMBIA — 0.03%
District of Columbia Water & Sewer Authority RB
4.81%, 10/01/14			200		215,310

					215,310
GEORGIA — 0.16%
Municipal Electric Authority of Georgia RB BAB
Project J, Series 2010-A
6.64%, 04/01/57			350		427,955
Project P, Series 2010-A
7.06%, 04/01/57			600		696,834

					1,124,789
ILLINOIS — 0.79%
Chicago Transit Authority RB
Series A
6.90%, 12/01/40			600		785,952
Series B
6.90%, 12/01/40			225		294,732
Chicago Transit Authority RB BAB
Series B
6.20%, 12/01/40			120		149,041


Security	Principal (000s)		Value
County of Cook IL GO BAB
6.23%, 11/15/34	$	200	$	246,158
Illinois State Toll Highway Authority RB BAB
6.18%, 01/01/34		150		183,501
Metropolitan Water Reclamation District of Greater Chicago GOL BAB
5.72%, 12/01/38		350		434,028
State of Illinois GO
5.10%, 06/01/33^a		3,400		3,203,990
State of Illinois GO BAB
Series 3
6.73%, 04/01/35		300		314,859

				5,612,261
KANSAS — 0.02%
State of Kansas Department of Transportation RB BAB
4.60%, 09/01/35		150		161,699

				161,699
KENTUCKY — 0.03%
Louisville & Jefferson County Metropolitan Sewer District RB BAB
6.25%, 05/15/43		145		189,369

				189,369
MARYLAND — 0.03%
Maryland State Transportation Authority RB BAB
5.89%, 07/01/43		200		251,628

				251,628
MASSACHUSETTS — 0.21%
Commonwealth of Massachusetts GOL BAB
4.91%, 05/01/29		240		269,352
Series E
5.46%, 12/01/39		450		544,734
Commonwealth of Massachusetts Transportation Fund Revenue RB BAB
Series A
5.73%, 06/01/40		240		298,498


Security		Principal (000s)		Value
Massachusetts School Building Authority RB BAB
Series B
5.72%, 08/15/39		$	300	$	364,194

					1,476,778
NEVADA — 0.02%
County of Clark Department of Aviation RB BAB
Series C
6.82%, 07/01/45			120		176,707

					176,707
NEW JERSEY — 0.56%
New Jersey Economic Development Authority RB
Series A
7.43%, 02/15/29	(NPFGC)		675		831,614
New Jersey State Turnpike Authority RB BAB
7.10%, 01/01/41			725		1,028,782
Series F
7.41%, 01/01/40^a			750		1,098,930
New Jersey Transportation Trust Fund Authority RB BAB
Series C
5.75%, 12/15/28			700		783,804
Rutgers The State University of New Jersey RB BAB
5.67%, 05/01/40			200		233,654

					3,976,784
NEW YORK — 0.96%
City of New York NY GO BAB
Series C-1
5.52%, 10/01/37			185		223,254
Series F1
6.27%, 12/01/37			325		427,892
Metropolitan Transportation Authority RB BAB
Series 2010-A
6.67%, 11/15/39			225		303,476
Series A
5.87%, 11/15/39			300		368,742
Series E
6.81%, 11/15/40			200		273,478


Security		Principal (000s)		Value
New York City Transitional Finance Authority Future Tax Secured Revenue RB BAB
5.51%, 08/01/37		$	200	$	241,782
5.57%, 11/01/38			250		302,523
New York City Water & Sewer System RB BAB
5.44%, 06/15/43			275		339,790
5.75%, 06/15/41			275		352,753
5.88%, 06/15/44			300		393,531
6.01%, 06/15/42			200		265,710
New York State Dormitory Authority RB BAB
5.63%, 03/15/39			350		417,007
Port Authority of New York & New Jersey RB
4.93%, 10/01/51			850		981,359
Series 174
4.46%, 10/01/62			835		897,717
Series 182
5.31%, 08/01/46	(Call 08/01/24)		700		763,609
Series 192
4.81%, 10/15/65			300		338,964

					6,891,587
OHIO — 0.30%
American Municipal Power Inc. RB BAB
Series B
8.08%, 02/15/50			600		980,130
Ohio State University (The) RB
Series A
3.80%, 12/01/46			300		287,997
4.80%, 06/01/11			200		211,740
Ohio State University (The) RB BAB
Series C
4.91%, 06/01/40			200		229,816
Ohio Water Development Authority Water Pollution Control Loan Fund RB BAB
Series B-2
4.88%, 12/01/34			400		439,452

					2,149,135


Security		Principal (000s)		Value
OREGON — 0.12%
Oregon School Boards Association GOL
Series B
5.55%, 06/30/28	(NPFGC)	$	200	$	226,120
5.68%, 06/30/28	(NPFGC)		350		399,416
State of Oregon Department of Transportation RB BAB
Series 2010-A
5.83%, 11/15/34			175		214,944

					840,480
PENNSYLVANIA — 0.05%
Commonwealth Financing Authority RB
Series A
4.14%, 06/01/38^a			350		356,646

					356,646
TEXAS — 0.68%
City of Houston TX GOL
Series A
6.29%, 03/01/32			390		448,157
City of San Antonio TX Electric & Gas Systems Revenue RB
4.43%, 02/01/42			200		217,524
5.81%, 02/01/41			240		295,639
Dallas Area Rapid Transit RB BAB
6.00%, 12/01/44			425		551,722
Dallas Convention Center Hotel Development Corp. RB BAB
7.09%, 01/01/42			100		131,378
Dallas County Hospital District GOL BAB
Series C
5.62%, 08/15/44			200		241,904
Dallas Independent School District GO BAB
Series C
6.45%, 02/15/35	(Call 02/15/21) (PSF)		550		606,358
North Texas Tollway Authority RB BAB
Series B
6.72%, 01/01/49^a			200		286,354


Security		Principal or Shares (000s)		Value
State of Texas GO BAB
5.52%, 04/01/39		$	425	$	536,597
Series A
4.68%, 04/01/40			200		223,602
Texas Transportation Commission State Highway Fund RB BAB
Series B
5.18%, 04/01/30			800		922,648
University of Texas System (The) RB BAB
Series B
6.28%, 08/15/41	(Call 08/15/19)		370		388,948

					4,850,831
WASHINGTON — 0.06%
Central Puget Sound Regional Transit Authority RB BAB
5.49%, 11/01/39			150		178,329
State of Washington GO BAB
Series F
5.14%, 08/01/40			240		285,506

					463,835

TOTAL MUNICIPAL DEBT OBLIGATIONS
(Cost: $45,033,104)					44,959,488

SHORT-TERM INVESTMENTS — 12.82%

MONEY MARKET FUNDS — 12.82%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^g,h,i			79,862		79,869,885
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^g,h			11,712		11,711,876

					91,581,761

TOTAL SHORT-TERM INVESTMENTS
(Cost: $91,575,906)					91,581,761

TOTAL INVESTMENTS IN SECURITIES — 110.41%
(Cost: $802,458,884)					789,059,492
Other Assets, Less Liabilities — (10.41)%					(74,377,209	)

NET ASSETS — 100.00%				$	714,682,283

BAB — Build America Bond

GO — General Obligation

GOL — General Obligation Limited

PSF — Permanent School Fund

RB — Revenue Bond

Insured by:

NPFGC — National Public Finance Guarantee Corp.

^a	All or a portion of this security is on loan.

^b	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^c	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^d	Zero-coupon bond.

^e	Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently in effect.

^f	Investments are denominated in U.S. dollars.

^g	Affiliate of the Fund.

^h	Annualized 7-day yield as of period end.

ⁱ	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

The investment objective of the Fund is to seek investment results that correspond generally to the price and yield performance, before fees and expenses, of its underlying index. The investment adviser uses a “passive” or index approach to try to achieve the Fund’s investment objective.

Pursuant to the Trust’s organizational documents, the Fund’s officers and trustees are indemnified against certain liabilities that may arise out of the performance of their duties to the Fund. Additionally, in the normal course of business, the Fund enters into contracts with service providers that contain general indemnification clauses. The Fund’s maximum exposure under these arrangements is unknown as this would involve future claims that may be made against the Fund that have not yet occurred.

The following significant accounting policies are consistently followed by the Fund in the preparation of its financial statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The preparation of financial statements in conformity with U.S. GAAP requires management to make certain estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. The Fund is considered an investment company under U.S. GAAP and follows the accounting and reporting guidance applicable to investment companies.

The Fund’s investments are valued at fair value each day that the Fund’s listing exchange is open and, for financial reporting purposes, as of the report date should the reporting period end on a day that the Fund’s listing exchange is not open. U.S. GAAP defines fair value as the price a fund would receive to sell an asset or pay to transfer a liability in an orderly transaction between market participants at the measurement date. The BlackRock Global Valuation Methodologies Committee (the “Global Valuation Committee”) provides oversight of the valuation of investments for the Fund. The investments of the Fund are valued pursuant to policies and procedures developed by the Global Valuation Committee and approved by the Board of Trustees of the Trust (the “Board”).

Fair value pricing could result in a difference between the prices used to calculate the Fund’s NAV and the prices used by the Fund’s underlying index, which in turn could result in a difference between the Fund’s performance and the performance of the Fund’s underlying index.

transparency of the financial instruments and are not necessarily an indication of the risks associated with investing in those securities.

Dividends and distributions paid by the Fund are recorded on the ex-dividend dates. Distributions are determined on a tax basis and may differ from net investment income and net realized capital gains for financial reporting purposes. Dividends and distributions are paid in U.S. dollars and cannot be automatically reinvested in additional shares of the Fund.

The Fund may lend its investment securities to approved borrowers, such as brokers, dealers and other financial institutions. The borrower pledges and maintains with the Fund collateral consisting of cash, an irrevocable letter of credit issued by an approved bank, or securities issued or guaranteed by the U.S. government. The initial collateral received by the Fund is required to have a value of at least 102% of the current value of the loaned securities for securities traded on U.S. exchanges and a value of at least 105% for all other securities. The collateral is maintained thereafter at a value equal to at least 100% of the current value of the securities on loan. The market value of the loaned securities is determined at the close of each business day of the Fund. Any additional required collateral is delivered to the Fund and any excess collateral is returned by the Fund on the next business day. During the term of the loan, the Fund is entitled to all distributions made on or in respect of the loaned securities but does not receive interest income on securities received as collateral. Loans of securities are terminable at any time and the borrower, after notice, is required to return borrowed securities within the standard time period for settlement of securities transactions.

Cash received as collateral for securities on loan may be reinvested in certain short-term instruments either directly on behalf of a fund or through one or more joint accounts or money market funds, including those managed by BlackRock Fund Advisors (“BFA”), the Fund’s investment adviser, or its affiliates. As of February 28, 2018, any securities on loan were collateralized by cash and/or U.S. government obligations. Cash collateral received was invested in money market funds managed by BFA and is disclosed in the schedule of investments. Any non-cash collateral received cannot be sold, re-invested or pledged by the Fund, except in the event of borrower default. The securities on loan for the Fund are also disclosed in its schedule of investments. The total value of any securities on loan as of February 28, 2018 and the total value of the related cash collateral are disclosed in the statement of assets and liabilities. Income earned by the Fund from securities lending is disclosed in the statement of operations.

The risks of securities lending include the risk that the borrower may not provide additional collateral when required or may not return the securities when due. To mitigate these risks, the Fund benefits from a borrower default indemnity provided by BlackRock, Inc. (“BlackRock”). BlackRock’s indemnity allows for full replacement of securities loaned if the collateral received does not cover the value of the securities loaned in the event of borrower default. The Fund could incur a loss if the value of an investment purchased with cash collateral falls below the value of the loaned securities or if the value of an investment purchased with cash collateral falls below the value of the original cash collateral received.

and calculate a net exposure to the defaulting party or request additional collateral. In the event that a borrower defaults, the Fund, as lender, would offset the market value of the collateral received against the market value of the securities loaned. The value of the collateral is typically greater than that of the market value of the securities loaned, leaving the lender with a net amount payable to the defaulting party. However, bankruptcy or insolvency laws of a particular jurisdiction may impose restrictions on or prohibitions against such a right of offset in the event of an MSLA counterparty’s bankruptcy or insolvency. Under the MSLA, the borrower can resell or re-pledge the loaned securities, and the Fund can reinvest cash collateral, or, upon an event of default, resell or re-pledge the collateral.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

Pursuant to an Investment Advisory Agreement with the Trust, BFA manages the investment of the Fund’s assets. BFA is a California corporation indirectly owned by BlackRock. Under the Investment Advisory Agreement, BFA is responsible for substantially all expenses of the Fund, except (i) interest and taxes; (ii) brokerage commissions and other expenses connected with the execution of portfolio transactions; (iii) distribution fees; (iv) the advisory fee payable to BFA; and (v) litigation expenses and any extraordinary expenses (in each case as determined by a majority of the independent trustees).

For its investment advisory services to the Fund, BFA is entitled to an annual investment advisory fee of 0.20%, accrued daily and paid monthly by the Fund, based on the average daily net assets of the Fund.

The U.S. Securities and Exchange Commission has issued an exemptive order which permits BlackRock Institutional Trust Company, N.A. (“BTC”), an affiliate of BFA, to serve as securities lending agent for the Fund, subject to applicable conditions. As securities lending agent, BTC bears all operational costs directly related to securities lending. The Fund is responsible for fees in connection with the investment of cash collateral received for securities on loan in a money market fund managed by BFA, however, BTC has agreed to reduce the amount of securities lending income it receives in order to effectively limit the collateral investment fees the Fund bears to an annual rate of 0.04% (the “collateral investment fees”). Securities lending income is equal to the total of income earned from the reinvestment of cash collateral (excluding collateral investment fees), net of fees and other payments to and from borrowers of securities. The Fund retains a portion of securities lending income and remits the remaining portion to BTC as compensation for its services as securities lending agent.

Pursuant to a securities lending agreement, the Fund retains 80% of securities lending income and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees. In addition, commencing the business day following the date that the aggregate securities lending income plus the collateral investment fees generated across all 1940 Act iShares exchange-traded funds (the “iShares ETF Complex”) in a given calendar year exceeds the aggregate securities lending income generated across the iShares ETF Complex in the calendar year 2013, the Fund, pursuant to a securities lending agreement, will retain for the remainder of that calendar year 85% of securities lending income and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees.

For the year ended February 28, 2018, the Fund paid to BTC securities lending agent services and collateral investment fees in the amount of $76,394.

BlackRock Investments, LLC, an affiliate of BFA, is the distributor for the Fund. Pursuant to the distribution agreement, BFA is responsible for any fees or expenses for distribution services provided to the Fund.

For the year ended February 28, 2018, the purchases and sales transactions executed by the Fund pursuant to Rule 17a-7 under the 1940 Act were $895,642 and $935,700, respectively.

The Fund may invest its positive cash balances in certain money market funds managed by BFA or an affiliate. The income earned on these temporary cash investments is included in “Dividends – affiliated” in the statement of operations.

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Fund for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind purchases and sales (see Note 4) for the year ended February 28, 2018, were $134,679,151 and $248,268,173, respectively.

Capital shares are issued and redeemed by the Fund only in aggregations of a specified number of shares or multiples thereof (“Creation Units”) at NAV. Except when aggregated in Creation Units, shares of the Fund are not redeemable. Transactions in capital shares for the Fund are disclosed in detail in the statements of changes in net assets.

In the normal course of business, the Fund invests in securities or other instruments and may enter into certain transactions, and such activities subject the Fund to various risks, including, among others, fluctuations in the market (market risk) or failure of an issuer to meet all of its obligations. The value of securities or other instruments may also be affected by various factors, including, without limitation: (i) the general economy; (ii) the overall market as well as local, regional or global political and/or social instability; (iii) regulation, taxation or international tax treaties between various countries; or (iv) currency, interest rate or price fluctuations. The Fund’s prospectus provides details of the risks to which the Fund is subject.

BFA uses a “passive” or index approach to try to achieve the Fund’s investment objective following the securities included in its underlying index during upturns as well as downturns. BFA does not take steps to reduce market exposure or to lessen the effects of a declining market. Divergence from the underlying index and the composition of the portfolio is monitored by BFA.

movements. A fund is exposed to market risk by its investment in equity, fixed income and/or financial derivative instruments or by its investment in underlying funds. The fair value of securities held by a fund may decline due to general market conditions, economic trends or events that are not specifically related to the issuers of the securities including local, regional or global political, social or economic instability or to factors that affect a particular industry or group of industries. The extent of a fund’s exposure to market risk is the market value of the investments held as shown in the fund’s schedule of investments.

A diversified portfolio, where this is appropriate and consistent with a fund’s objectives, minimizes the risk that a price change of a particular investment will have a material impact on the NAV of a fund. The investment concentrations within the Fund’s portfolio are disclosed in its schedule of investments.

The Fund is treated as an entity separate from the Trust’s other funds for federal income tax purposes. It is the policy of the Fund to qualify as a regulated investment company by complying with the provisions applicable to regulated investment companies, as defined under Subchapter M of the Internal Revenue Code of 1986, as amended, and to annually distribute substantially all of its ordinary income and any net capital gains (taking into account any capital loss carryforwards) sufficient to relieve it from all, or substantially all, federal income and excise taxes. Accordingly, no provision for federal income taxes is required.

February 28, 2018, attributable to the realized gains (losses) from in-kind redemptions, were reclassified to the following accounts:

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Fund had non-expiring capital loss carryforwards in the amount of $11,026,354 available to offset future realized capital gains.

For the year ended February 28, 2018, the Fund utilized $603,250 of its capital loss carryforwards.

As of February 28, 2018, the cost of investments (including short positions and derivatives, if any) for federal income tax purposes was $802,605,275. Net unrealized depreciation was $13,545,783, of which $7,184,501 represented gross unrealized appreciation on securities and 20,730,284 represented gross unrealized depreciation on securities.

Management has analyzed tax laws and regulations and their application to the Fund as of February 28, 2018, inclusive of the open tax return years, and does not believe there are any uncertain tax positions that require recognition of a tax liability in the Fund’s financial statements.

holding that the Plaintiffs lack standing to assert their claims. On October 11, 2017, the court entered final judgment dismissing all of the Plaintiffs’ claims with prejudice. Plaintiffs have appealed the court’s decision.

Management has evaluated the impact of all subsequent events on the Fund through the date the financial statements were available to be issued and has determined that there were no subsequent events requiring adjustment or disclosure in the financial statements.

We have audited the accompanying statement of assets and liabilities, including the schedule of investments, of iShares 10+ Year Credit Bond ETF (one of the funds constituting iShares Trust, referred to hereafter as the “Fund”) as of February 28, 2018, the related statement of operations for the year ended February 28, 2018, the statement of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Fund as of February 28, 2018, the results of its operations for the year then ended, the changes in its net assets for each of the two years in the period ended February 28, 2018 and the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

These financial statements are the responsibility of the Fund’s management. Our responsibility is to express an opinion on the Fund’s financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Fund in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We have served as the auditor of one or more BlackRock investment companies since 2000.

For the fiscal year ended February 28, 2018, the Fund hereby designates $24,252,872 as the maximum amount allowable as interest-related dividends eligible for exemption from U.S. withholding tax for nonresident aliens and foreign corporations.

The Fund hereby designates $36,605 as the amount of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018. The law varies in each state as to whether and what percentage of ordinary income dividends attributable to federal obligations is exempt from state income tax. Shareholders are advised to check with their tax advisers to determine if any portion of the dividends received is exempt from state income tax.

The amounts and sources of distributions reported are estimates and are provided pursuant to regulatory requirements and are not being provided for tax reporting purposes. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the year and may be subject to changes based on the tax regulations. Shareholders will receive a Form 1099-DIV each calendar year that will inform them how to report these distributions for federal income tax purposes.

Premium/discount information for the Fund covering the most recently completed calendar year and the most recently completed calendar quarters since that year (or the life of the Fund, if shorter) is publicly accessible, free of charge, at www.iShares.com.

The following information shows the frequency of distributions of premiums and discounts for the Fund for the immediately preceding five calendar years (or from the inception date of the Fund, if less than five years) through the date of the most recent calendar quarter-end. Each line in the table shows the number of trading days in which the Fund traded within the premium/discount range indicated. The number of trading days in each premium/discount range is also shown as a percentage of the total number of trading days in the period covered by each table. All data presented here represents past performance, which cannot be used to predict future results.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Fund’s shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

The U.S. bond market rose modestly during the 12 months ended February 28, 2018 (“reporting period”). The Bloomberg Barclays U.S. Aggregate Bond Index, a broad measure of U.S. bond performance, returned 0.51% for the reporting period.

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher bond yields and lower bond prices, with yields rising most sharply for short-term bonds. Intermediate- and long-term bond yields rose to a lesser extent, with much of the increase occurring in early 2018 following the approval of federal tax reform legislation at the end of 2017.

Corporate bonds were among the better performers in the U.S. bond market during the reporting period, returning more than 2%. Corporate bonds benefited from strong investor demand for yield. Demand was especially robust for lower-quality bonds, which tend to have the highest yields. Limited new supply also supported corporate bond performance. Although overall issuance of corporate bonds hit a record high in 2017, net new corporate bond supply was lower than in either of the prior two years.

Both U.S. Treasury and government agency securities underperformed other sectors of the U.S. bond market. U.S. Treasury securities, which tend be the most sensitive to interest rate fluctuations, declined marginally for the reporting period due to the impact of higher bond yields. Government agency securities, which have higher yields relative to Treasury bonds, posted a modest positive return for the reporting period.

The iShares Intermediate Government/Credit Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated government, government-related and investment-grade U.S. corporate bonds with remaining maturities between one and ten years, as represented by the Bloomberg Barclays U.S. Intermediate Government/Credit Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was -0.14%, net of fees, while the total return for the Index was 0.04%.

ALLOCATION BY INVESTMENT TYPE

As of 2/28/18


Investment Type		Percentage of Total Investments¹


U.S. Government & Agency Obligations	60.23	%
Corporate Bonds & Notes	34.54
Foreign Government Obligations	5.11
Municipal Debt Obligations	0.12

TOTAL	100.00	%

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Aaa	64.05	%
Aa	4.29
A	14.25
Baa	15.41
Ba	0.96
Not Rated	1.04

TOTAL	100.00	%

The iShares Government/Credit Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated government, government-related and investment-grade U.S. corporate bonds, as represented by the Bloomberg Barclays U.S. Government/Credit Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.48%, net of fees, while the total return for the Index was 0.64%.

ALLOCATION BY INVESTMENT TYPE

As of 2/28/18


Investment Type		Percentage of Total Investments¹


U.S. Government & Agency Obligations	54.68	%
Corporate Bonds & Notes	39.28
Foreign Government Obligations	5.05
Municipal Debt Obligations	0.99

TOTAL	100.00	%

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Aaa	58.20	%
Aa	4.64
A	15.07
Baa	19.60
Ba	1.66
Not Rated	0.83

TOTAL	100.00	%

The inception date of the Fund was 11/5/08. The first day of secondary market trading was 11/7/08.

The iShares Agency Bond ETF (the “Fund”) seeks to track the investment results of an index composed of agency securities that are publicly issued by U.S. government agencies, and corporate and non-U.S. debt guaranteed by the U.S. government, as represented by the Bloomberg Barclays U.S. Agency Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.10%, net of fees, while the total return for the Index was 0.27%.

ALLOCATION BY MATURITY

As of 2/28/18


Maturity		Percentage of Total Investments *


0-1 Year	0.93	%
1-5 Years	69.43
5-10 Years	14.47
10-15 Years	10.34
15-20 Years	2.67
More than 20 Years	2.16

TOTAL	100.00	%

The iShares MBS ETF (the “Fund”) seeks to track the investment results of an index composed of investment-grade mortgage-backed pass-through securities issued and/ or guaranteed by U.S. government agencies, as represented by the Bloomberg Barclays U.S. MBS Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was -0.01%, net of fees, while the total return for the Index was 0.16%.

ALLOCATION BY MATURITY

As of 2/28/18


Maturity		Percentage of Total Investments *


1-5 Years	0.05	%
5-10 Years	1.50
10-15 Years	8.09
15-20 Years	7.00
More than 20 Years	83.36

TOTAL	100.00	%


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 34.22%

ADVERTISING — 0.06%
Interpublic Group of Companies Inc. (The)
3.75%, 02/15/23	$	50	$	50,335
Omnicom Group Inc.
3.63%, 05/01/22		225		227,754
3.65%, 11/01/24 (Call 08/01/24)		45		44,793
4.45%, 08/15/20		350		362,267
WPP Finance 2010
3.75%, 09/19/24		320		320,595
4.75%, 11/21/21		175		184,230

				1,189,974
AEROSPACE & DEFENSE — 0.51%
Boeing Co. (The)
1.65%, 10/30/20 (Call 09/30/20)		30		29,294
2.25%, 06/15/26 (Call 03/15/26)		160		147,323
2.35%, 10/30/21		25		24,677
2.60%, 10/30/25 (Call 07/30/25)		40		37,969
2.80%, 03/01/23 (Call 02/01/23)		85		84,057
2.80%, 03/01/27 (Call 12/01/26)		115		109,845
2.85%, 10/30/24 (Call 07/30/24)		215		210,302
3.25%, 03/01/28 (Call 12/01/27)		170		167,792
4.88%, 02/15/20		188		196,560
6.00%, 03/15/19		200		206,906
Embraer Netherlands Finance BV
5.05%, 06/15/25		270		281,615
5.40%, 02/01/27		175		185,897
General Dynamics Corp.
1.88%, 08/15/23 (Call 06/15/23)		25		23,413
2.13%, 08/15/26 (Call 05/15/26)		135		121,580
2.25%, 11/15/22 (Call 08/15/22)		175		168,633


Security	Principal (000s)		Value
2.63%, 11/15/27 (Call 08/15/27)	$	250	$	232,527
Harris Corp.
3.83%, 04/27/25 (Call 01/27/25)		225		227,079
4.40%, 12/15/20		150		155,127
5.55%, 10/01/21		165		176,941
L3 Technologies Inc.
3.85%, 12/15/26 (Call 09/15/26)		95		94,337
5.20%, 10/15/19		370		383,361
Lockheed Martin Corp.
2.50%, 11/23/20 (Call 10/23/20)		385		381,377
2.90%, 03/01/25 (Call 12/01/24)		200		192,260
3.10%, 01/15/23 (Call 11/15/22)		100		99,825
3.35%, 09/15/21		35		35,426
3.55%, 01/15/26 (Call 10/15/25)		400		400,048
4.25%, 11/15/19		375		385,305
Northrop Grumman Corp.
2.08%, 10/15/20		100		97,926
2.55%, 10/15/22 (Call 09/15/22)		280		270,631
2.93%, 01/15/25 (Call 11/15/24)		145		139,193
3.20%, 02/01/27 (Call 11/01/26)		275		263,766
3.25%, 08/01/23		400		397,696
3.25%, 01/15/28 (Call 10/15/27)		315		301,036
3.50%, 03/15/21		300		304,146
Raytheon Co.
2.50%, 12/15/22 (Call 09/15/22)		550		536,899
Rockwell Collins Inc.
2.80%, 03/15/22 (Call 02/15/22)		180		175,838
3.20%, 03/15/24 (Call 01/15/24)		185		181,285
3.50%, 03/15/27 (Call 12/15/26)		260		253,175


Security	Principal (000s)		Value
3.70%, 12/15/23 (Call 09/15/23)	$	150	$	151,478
Spirit AeroSystems Inc.
3.85%, 06/15/26 (Call 03/15/26)		65		63,782
United Technologies Corp.
1.50%, 11/01/19		450		442,017
1.95%, 11/01/21 (Call 10/01/21)		30		28,857
2.30%, 05/04/22 (Call 04/04/22)		250		241,422
2.65%, 11/01/26 (Call 08/01/26)		200		185,614
3.10%, 06/01/22		375		373,920
3.13%, 05/04/27 (Call 02/04/27)		340		322,708
4.50%, 04/15/20		150		155,680

				9,646,545
AGRICULTURE — 0.39%
Altria Group Inc.
2.63%, 01/14/20 (Call 12/14/19)		465		463,442
2.63%, 09/16/26 (Call 06/16/26)		35		32,330
2.85%, 08/09/22		519		510,084
4.00%, 01/31/24		315		324,277
4.75%, 05/05/21		350		368,354
Archer-Daniels-Midland Co.
2.50%, 08/11/26 (Call 05/11/26)		150		138,107
4.48%, 03/01/21		250		261,495
BAT Capital Corp.
2.30%, 08/14/20^a		250		245,497
2.76%, 08/15/22 (Call 07/15/22)^a		420		408,349
3.22%, 08/15/24 (Call 06/15/24)^a		285		275,162
3.56%, 08/15/27 (Call 05/15/27)^a		600		573,714
Bunge Ltd. Finance Corp.
3.25%, 08/15/26 (Call 05/15/26)		200		188,332


Security	Principal (000s)		Value
3.50%, 11/24/20 (Call 10/24/20)	$	120	$	121,012
3.75%, 09/25/27 (Call 06/25/27)		135		130,461
Philip Morris International Inc.
1.88%, 02/25/21 (Call 01/25/21)		250		242,042
2.13%, 05/10/23 (Call 03/10/23)		135		127,364
2.38%, 08/17/22 (Call 07/17/22)		75		72,326
2.50%, 08/22/22		150		145,422
2.63%, 02/18/22 (Call 01/18/22)		115		112,761
2.63%, 03/06/23		250		242,555
2.90%, 11/15/21		25		24,823
3.13%, 08/17/27 (Call 05/17/27)		150		144,044
3.25%, 11/10/24		250		246,215
3.38%, 08/11/25 (Call 05/11/25)		225		221,560
3.60%, 11/15/23		200		203,318
4.50%, 03/26/20		250		258,477
Reynolds American Inc.
3.25%, 06/12/20		100		100,462
4.45%, 06/12/25 (Call 03/12/25)		655		675,999
4.85%, 09/15/23		250		266,860
8.13%, 06/23/19		250		266,940

				7,391,784
AIRLINES — 0.08%
American Airlines Pass Through Trust
Series 2013-1, Class A
4.00%, 07/15/25		194		196,213
Series 2013-2, Class A
4.95%, 07/15/24		174		182,150
Delta Air Lines Inc.
2.60%, 12/04/20		120		118,500
3.63%, 03/15/22 (Call 02/15/22)		500		500,220
Southwest Airlines Co.
2.65%, 11/05/20 (Call 10/05/20)		150		148,854


Security	Principal (000s)		Value
2.75%, 11/06/19 (Call 10/06/19)	$	90	$	89,995
3.00%, 11/15/26 (Call 08/15/26)		280		264,009
3.45%, 11/16/27 (Call 08/16/27)		50		48,585

				1,548,526
APPAREL — 0.03%
NIKE Inc.
2.38%, 11/01/26 (Call 08/01/26)		350		323,071
Ralph Lauren Corp.
2.63%, 08/18/20 (Call 07/18/20)		100		99,597
VF Corp.
3.50%, 09/01/21 (Call 06/01/21)		100		101,875

				524,543
AUTO MANUFACTURERS — 0.81%
American Honda Finance Corp.
1.65%, 07/12/21		225		216,167
2.15%, 03/13/20		275		272,088
2.25%, 08/15/19		475		472,435
2.30%, 09/09/26		125		114,374
2.45%, 09/24/20		250		247,680
2.65%, 02/12/21		250		248,895
3.50%, 02/15/28		250		249,750
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)		235		231,134
Ford Motor Credit Co. LLC
2.02%, 05/03/19		250		247,565
2.43%, 06/12/20		200		196,418
2.46%, 03/27/20		400		394,140
2.60%, 11/04/19		500		496,775
2.98%, 08/03/22 (Call 07/03/22)		200		193,700
3.16%, 08/04/20		500		498,395
3.20%, 01/15/21		450		446,922
3.22%, 01/09/22		300		295,422
3.34%, 03/28/22 (Call 02/28/22)		290		285,812


Security	Principal (000s)		Value
3.81%, 01/09/24 (Call 11/09/23)	$	260	$	256,196
4.13%, 08/04/25		800		785,784
4.25%, 09/20/22		355		361,390
5.88%, 08/02/21		400		428,792
8.13%, 01/15/20		200		217,916
General Motors Co.
4.20%, 10/01/27 (Call 07/01/27)		5		4,930
General Motors Financial Co. Inc.
2.35%, 10/04/19		200		198,054
2.40%, 05/09/19		250		248,778
2.45%, 11/06/20		250		244,880
3.15%, 01/15/20 (Call 12/15/19)		500		500,800
3.15%, 06/30/22 (Call 05/30/22)		70		68,486
3.20%, 07/13/20 (Call 06/13/20)		150		150,047
3.20%, 07/06/21 (Call 06/06/21)		300		297,804
3.25%, 01/05/23 (Call 12/05/22)		25		24,473
3.45%, 01/14/22 (Call 12/14/21)		100		99,551
3.45%, 04/10/22 (Call 02/10/22)		100		99,347
3.50%, 11/07/24 (Call 09/07/24)		305		294,212
3.70%, 11/24/20 (Call 10/24/20)		523		528,648
3.70%, 05/09/23 (Call 03/09/23)		50		49,741
3.85%, 01/05/28 (Call 10/05/27)		25		23,742
4.00%, 01/15/25 (Call 10/15/24)		600		595,500
4.00%, 10/06/26 (Call 07/06/26)		275		268,436
4.20%, 03/01/21 (Call 02/01/21)		500		511,715
4.35%, 01/17/27 (Call 10/17/26)		240		239,302


Security	Principal (000s)		Value
4.38%, 09/25/21	$	300	$	308,679
5.25%, 03/01/26 (Call 12/01/25)		280		296,279
PACCAR Financial Corp.
1.30%, 05/10/19		75		73,967
1.95%, 02/27/20		50		49,354
2.05%, 11/13/20		35		34,355
2.30%, 08/10/22		150		145,124
2.80%, 03/01/21		25		25,013
Toyota Motor Credit Corp.
1.40%, 05/20/19		175		172,769
2.13%, 07/18/19		850		845,614
2.15%, 03/12/20		475		470,411
2.15%, 09/08/22		375		360,232
2.60%, 01/11/22		125		123,176
2.63%, 01/10/23		325		318,116
3.20%, 01/11/27		300		295,365
3.40%, 09/15/21		350		355,726

				15,480,376
AUTO PARTS & EQUIPMENT — 0.03%
BorgWarner Inc.
3.38%, 03/15/25 (Call 12/15/24)		65		63,588
Lear Corp.
5.25%, 01/15/25 (Call 01/15/20)		212		222,863
Magna International Inc.
4.15%, 10/01/25 (Call 07/01/25)		250		257,537

				543,988
BANKS — 10.34%
Australia & New Zealand Banking Group Ltd./New York NY
1.60%, 07/15/19		250		246,505
2.25%, 06/13/19		100		99,454
2.30%, 06/01/21		750		731,587
2.55%, 11/23/21		250		244,680
2.63%, 05/19/22		300		292,896
Banco Bilbao Vizcaya Argentaria SA
3.00%, 10/20/20		400		397,652
Banco Santander SA
3.13%, 02/23/23		200		194,534


Security	Principal (000s)		Value
4.25%, 04/11/27	$	200	$	199,504
5.18%, 11/19/25		200		209,282
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)		250		244,763
2.50%, 10/21/22 (Call 10/21/21)		475		458,750
2.63%, 10/19/20		50		49,529
2.63%, 04/19/21		1,095		1,079,002
2.65%, 04/01/19		25		25,011
3.25%, 10/21/27 (Call 10/21/26)		50		47,462
3.30%, 01/11/23		675		672,826
3.50%, 04/19/26		425		419,394
3.88%, 08/01/25		450		455,989
4.00%, 04/01/24		550		564,272
4.00%, 01/22/25		525		527,940
4.10%, 07/24/23		550		568,458
4.13%, 01/22/24		950		981,986
4.20%, 08/26/24		605		618,292
4.25%, 10/22/26		300		303,324
4.45%, 03/03/26		780		799,781
5.49%, 03/15/19		200		205,678
7.63%, 06/01/19		2		2,120
(3 mo. LIBOR US + 0.370%)
2.74%, 01/23/22 (Call 01/23/21)^b		275		272,184
(3 mo. LIBOR US + 0.660%)
2.37%, 07/21/21 (Call 07/21/20)^b		25		24,625
(3 mo. LIBOR US + 0.790%)
3.00%, 12/20/23 (Call 12/20/22)^a,b		1,739		1,701,525
(3 mo. LIBOR US + 0.810%)
3.37%, 01/23/26 (Call 01/23/25)^b		25		24,478
(3 mo. LIBOR US + 0.930%)
2.82%, 07/21/23 (Call 07/21/22)^b		550		536,486
(3 mo. LIBOR US + 1.021%)
2.88%, 04/24/23 (Call 04/24/22)^b		710		696,474


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.040%)
3.42%, 12/20/28 (Call 12/20/27)^a,b	$	863	$	825,649
(3 mo. LIBOR US + 1.090%)
3.09%, 10/01/25 (Call 10/01/24)^b		260		251,607
(3 mo. LIBOR US + 1.160%)
3.12%, 01/20/23 (Call 01/20/22)^b		340		337,263
(3 mo. LIBOR US + 1.370%)
3.59%, 07/21/28 (Call 07/21/27)^b		500		487,540
(3 mo. LIBOR US + 1.512%)
3.71%, 04/24/28 (Call 04/24/27)^b		900		884,529
Series L
2.25%, 04/21/20		835		824,571
3.95%, 04/21/25		230		230,032
Bank of Montreal
1.90%, 08/27/21		540		519,361
2.10%, 06/15/20		425		418,085
2.35%, 09/11/22		520		501,946
2.55%, 11/06/22 (Call 10/06/22)		100		97,115
Bank of New York Mellon Corp. (The)
2.05%, 05/03/21 (Call 04/03/21)		250		242,673
2.20%, 05/15/19 (Call 04/15/19)		350		348,649
2.30%, 09/11/19 (Call 08/11/19)		200		198,816
2.45%, 11/27/20 (Call 10/27/20)		290		286,262
2.45%, 08/17/26 (Call 05/17/26)		155		141,403
2.50%, 04/15/21 (Call 03/15/21)		430		423,541
2.60%, 08/17/20 (Call 07/17/20)		275		272,995
2.80%, 05/04/26 (Call 02/04/26)		295		277,928
2.95%, 01/29/23 (Call 12/29/22)		105		103,783


Security	Principal (000s)		Value
3.00%, 02/24/25 (Call 01/24/25)	$	235	$	228,056
3.25%, 09/11/24 (Call 08/11/24)		140		138,666
3.25%, 05/16/27 (Call 02/16/27)		510		494,389
3.40%, 05/15/24 (Call 04/15/24)		200		200,044
3.65%, 02/04/24 (Call 01/05/24)		415		421,972
Series G
2.15%, 02/24/20 (Call 01/24/20)		25		24,701
Bank of Nova Scotia (The)
2.15%, 07/14/20		100		98,488
2.35%, 10/21/20		452		446,065
2.45%, 03/22/21		400		393,752
2.45%, 09/19/22		250		241,948
2.50%, 01/08/21		200		197,390
2.70%, 03/07/22		195		191,219
2.80%, 07/21/21		200		198,552
4.38%, 01/13/21		150		156,050
4.50%, 12/16/25		525		537,217
Bank One Corp.
7.63%, 10/15/26		25		31,170
Barclays Bank PLC
2.65%, 01/11/21 (Call 12/11/20)		245		241,884
6.75%, 05/22/19		100		104,717
Barclays PLC
2.75%, 11/08/19		400		397,684
2.88%, 06/08/20		500		495,690
3.20%, 08/10/21		550		544,687
3.65%, 03/16/25		410		394,887
3.68%, 01/10/23 (Call 01/10/22)		100		99,285
4.38%, 09/11/24		250		245,193
4.38%, 01/12/26		545		546,450
5.20%, 05/12/26		600		608,640
BB&T Corp.
2.05%, 05/10/21 (Call 04/09/21)		250		242,763
2.15%, 02/01/21 (Call 01/01/21)		100		97,911


Security	Principal (000s)		Value
2.45%, 01/15/20 (Call 12/15/19)	$	500	$	497,025
2.63%, 06/29/20 (Call 05/29/20)		125		124,190
2.75%, 04/01/22 (Call 03/01/22)		250		246,405
2.85%, 10/26/24 (Call 09/26/24)		100		96,770
3.95%, 03/22/22 (Call 02/22/22)		100		102,620
6.85%, 04/30/19		312		326,820
BNP Paribas SA
2.45%, 03/17/19		300		299,475
4.25%, 10/15/24		250		256,530
5.00%, 01/15/21		800		841,192
BNP Paribas/BNP Paribas U.S. Medium-Term Note Program LLC
3.25%, 03/03/23		115		114,358
BPCE SA
2.25%, 01/27/20		250		246,608
2.50%, 07/15/19		250		248,920
2.65%, 02/03/21		250		246,165
3.38%, 12/02/26		250		243,300
4.00%, 04/15/24		250		255,360
Branch Banking & Trust Co.
2.25%, 06/01/20 (Call 05/01/20)		500		493,465
2.63%, 01/15/22 (Call 12/15/21)		250		245,598
2.85%, 04/01/21 (Call 03/01/21)		250		249,260
Canadian Imperial Bank of Commerce
1.60%, 09/06/19		250		245,870
2.10%, 10/05/20		250		245,278
2.55%, 06/16/22		100		97,381
2.70%, 02/02/21		150		148,595
Capital One Financial Corp.
2.45%, 04/24/19 (Call 03/24/19)		350		348,610
3.20%, 01/30/23 (Call 12/30/22)		270		264,943
3.20%, 02/05/25 (Call 01/05/25)		375		359,977


Security	Principal (000s)		Value
3.30%, 10/30/24 (Call 09/30/24)	$	255	$	247,483
3.75%, 04/24/24 (Call 03/24/24)		250		250,505
3.75%, 07/28/26 (Call 06/28/26)		300		286,296
3.75%, 03/09/27 (Call 02/09/27)		440		427,473
4.20%, 10/29/25 (Call 09/29/25)		270		267,913
4.75%, 07/15/21		350		366,464
Capital One N.A.
2.25%, 09/13/21 (Call 08/13/21)		350		336,815
2.35%, 01/31/20 (Call 12/31/19)		250		247,013
2.40%, 09/05/19 (Call 08/05/19)		250		248,152
2.95%, 07/23/21 (Call 06/23/21)		400		396,040
Citibank N.A.
2.13%, 10/20/20 (Call 09/20/20)		750		733,395
Citigroup Inc.
2.05%, 06/07/19		250		247,945
2.35%, 08/02/21		100		97,352
2.40%, 02/18/20		450		445,617
2.45%, 01/10/20 (Call 12/10/19)		375		371,944
2.50%, 07/29/19		350		348,813
2.55%, 04/08/19		375		374,475
2.65%, 10/26/20		550		544,269
2.70%, 03/30/21		900		889,344
2.70%, 10/27/22 (Call 09/27/22)		505		490,128
2.75%, 04/25/22 (Call 03/25/22)		475		464,863
2.90%, 12/08/21 (Call 11/08/21)		100		98,719
3.20%, 10/21/26 (Call 07/21/26)		640		610,490
3.30%, 04/27/25		300		292,734
3.40%, 05/01/26		438		425,530


Security	Principal (000s)		Value
3.50%, 05/15/23	$	572	$	569,906
3.70%, 01/12/26		700		695,541
3.75%, 06/16/24		100		100,835
3.88%, 10/25/23		300		305,730
3.88%, 03/26/25		900		896,742
4.00%, 08/05/24		200		202,188
4.05%, 07/30/22		50		51,181
4.30%, 11/20/26		75		76,165
4.40%, 06/10/25		475		487,654
4.45%, 09/29/27		70		71,519
4.50%, 01/14/22		908		948,261
4.60%, 03/09/26		455		471,075
5.38%, 08/09/20		125		131,649
5.50%, 09/13/25		575		628,797
(3 mo. LIBOR US + 0.722%)
3.14%, 01/24/23 (Call 01/24/22)^b		260		257,704
(3 mo. LIBOR US + 0.950%)
2.88%, 07/24/23 (Call 07/24/22)^b		500		488,480
(3 mo. LIBOR US + 1.151%)
3.52%, 10/27/28 (Call 10/27/27)^b		200		192,878
(3 mo. LIBOR US + 1.563%)
3.89%, 01/10/28 (Call 01/10/27)^b		100		99,673
Citizens Bank N.A./Providence RI
2.50%, 03/14/19 (Call 02/14/19)		500		499,155
2.55%, 05/13/21 (Call 04/13/21)		100		97,928
2.65%, 05/26/22 (Call 04/26/22)		250		243,100
Citizens Financial Group Inc.
2.38%, 07/28/21 (Call 06/28/21)		300		292,389
Comerica Bank
2.50%, 06/02/20		250		247,325
Comerica Inc.
2.13%, 05/23/19 (Call 04/23/19)		85		84,417


Security	Principal (000s)		Value
Commonwealth Bank of Australia/New York NY
2.30%, 09/06/19	$	250	$	248,557
2.30%, 03/12/20		250		246,988
2.40%, 11/02/20		365		359,773
2.55%, 03/15/21		250		246,580
Compass Bank
2.75%, 09/29/19 (Call 08/29/19)		250		248,437
3.88%, 04/10/25 (Call 03/10/25)		250		243,658
Cooperatieve Rabobank UA
3.75%, 07/21/26		500		485,440
3.88%, 02/08/22		350		357,399
3.95%, 11/09/22		500		507,690
4.50%, 01/11/21		375		390,011
Cooperatieve Rabobank UA/NY
2.50%, 01/19/21		550		541,568
2.75%, 01/10/22		250		246,073
2.75%, 01/10/23		250		243,805
Credit Suisse AG/New York NY
2.30%, 05/28/19		500		497,290
3.00%, 10/29/21		500		496,990
3.63%, 09/09/24		450		448,938
5.40%, 01/14/20		400		416,448
Credit Suisse Group Funding Guernsey Ltd.
3.13%, 12/10/20		250		249,252
3.45%, 04/16/21		345		345,956
3.75%, 03/26/25		640		631,718
3.80%, 09/15/22		450		454,315
3.80%, 06/09/23		500		502,085
4.55%, 04/17/26		250		259,175
Deutsche Bank AG
2.85%, 05/10/19		640		639,142
2.95%, 08/20/20		627		621,100
3.13%, 01/13/21		200		198,348
3.38%, 05/12/21		265		263,434
4.10%, 01/13/26^c		250		244,910
4.25%, 10/14/21		50		51,009
Deutsche Bank AG/London
3.70%, 05/30/24		615		600,166


Security	Principal (000s)		Value
Deutsche Bank AG/New York NY
2.70%, 07/13/20	$	25	$	24,640
3.15%, 01/22/21		250		247,650
Discover Bank
3.10%, 06/04/20 (Call 05/04/20)		250		249,742
3.35%, 02/06/23 (Call 01/06/23)		250		248,230
3.45%, 07/27/26 (Call 04/27/26)		250		236,925
Fifth Third Bancorp.
2.30%, 03/01/19 (Call 01/30/19)		150		149,568
2.88%, 07/27/20 (Call 06/27/20)		200		199,630
3.50%, 03/15/22 (Call 02/15/22)		30		30,273
4.30%, 01/16/24 (Call 12/16/23)		200		206,698
Fifth Third Bank/Cincinnati OH
1.63%, 09/27/19 (Call 08/27/19)		200		196,576
2.25%, 06/14/21 (Call 05/14/21)		300		292,614
2.30%, 03/15/19 (Call 02/15/19)		200		199,496
2.38%, 04/25/19 (Call 03/25/19)		700		697,375
3.85%, 03/15/26 (Call 02/15/26)		200		198,686
First Republic Bank/CA
2.50%, 06/06/22 (Call 05/06/22)		350		339,360
Goldman Sachs Group Inc. (The)
2.00%, 04/25/19 (Call 03/25/19)		75		74,501
2.30%, 12/13/19 (Call 11/13/19)		305		302,249
2.35%, 11/15/21 (Call 11/15/20)		280		270,673
2.55%, 10/23/19		275		273,688
2.60%, 04/23/20 (Call 03/23/20)		135		134,032


Security	Principal (000s)		Value
2.60%, 12/27/20 (Call 12/27/19)	$	250	$	247,203
2.63%, 04/25/21 (Call 03/25/21)		440		432,621
2.75%, 09/15/20 (Call 08/15/20)		1,375		1,365,732
2.88%, 02/25/21 (Call 01/25/21)		555		550,715
3.00%, 04/26/22 (Call 04/26/21)		350		344,893
3.20%, 02/23/23 (Call 01/23/23)		80		78,746
3.50%, 01/23/25 (Call 10/23/24)		650		638,521
3.50%, 11/16/26 (Call 11/16/25)		525		505,932
3.63%, 01/22/23		175		176,101
3.75%, 05/22/25 (Call 02/22/25)		375		373,365
3.75%, 02/25/26 (Call 11/25/25)		100		98,876
3.85%, 07/08/24 (Call 04/08/24)		500		503,420
3.85%, 01/26/27 (Call 01/26/26)		750		739,807
4.00%, 03/03/24		800		815,024
4.25%, 10/21/25		725		731,083
5.25%, 07/27/21		750		798,877
5.38%, 03/15/20		500		523,675
5.75%, 01/24/22		1,000		1,085,840
5.95%, 01/15/27		85		95,701
6.00%, 06/15/20		125		133,229
(3 mo. LIBOR US + 0.821%)
2.88%, 10/31/22 (Call 10/31/21)^b		500		490,530
(3 mo. LIBOR US + 0.990%)
2.91%, 07/24/23 (Call 07/24/22)^b		300		291,945
(3 mo. LIBOR US + 1.201%)
3.27%, 09/29/25 (Call 09/29/24)^b		285		274,951
(3 mo. LIBOR US + 1.510%)
3.69%, 06/05/28 (Call 06/05/27)^b		100		97,012


Security	Principal (000s)		Value
HSBC Bank USA N.A.
4.88%, 08/24/20	$	350	$	364,441
HSBC Holdings PLC
2.65%, 01/05/22		400		389,580
2.95%, 05/25/21		400		396,520
3.40%, 03/08/21		500		502,665
3.90%, 05/25/26		500		501,025
4.00%, 03/30/22		400		409,764
4.25%, 03/14/24		500		505,750
4.25%, 08/18/25		200		199,084
4.30%, 03/08/26		600		618,030
4.38%, 11/23/26		250		251,165
5.10%, 04/05/21		450		474,637
(3 mo. LIBOR US + 1.055%)
3.26%, 03/13/23 (Call 03/13/22)^b		540		536,063
(3 mo. LIBOR US + 1.546%)
4.04%, 03/13/28 (Call 03/13/27)^b		550		551,259
HSBC USA Inc.
2.35%, 03/05/20		400		395,356
2.38%, 11/13/19		600		595,452
3.50%, 06/23/24		300		299,292
Huntington Bancshares Inc./OH
2.30%, 01/14/22 (Call 12/14/21)		270		259,967
Huntington National Bank (The)
2.20%, 04/01/19 (Call 03/01/19)		250		248,542
2.40%, 04/01/20 (Call 03/01/20)		250		247,258
2.50%, 08/07/22 (Call 07/07/22)		350		338,474
2.88%, 08/20/20 (Call 07/20/20)		250		249,265
Industrial & Commercial Bank of China Ltd./New York
2.64%, 05/26/21		500		489,605
ING Groep NV
3.95%, 03/29/27		500		500,470
Intesa Sanpaolo SpA
5.25%, 01/12/24		250		266,610


Security	Principal (000s)		Value
JPMorgan Chase & Co.
1.85%, 03/22/19 (Call 02/22/19)	$	350	$	347,676
2.20%, 10/22/19		450		446,233
2.25%, 01/23/20 (Call 12/23/19)		850		841,610
2.30%, 08/15/21 (Call 08/15/20)		50		48,698
2.40%, 06/07/21 (Call 05/07/21)		250		245,103
2.55%, 10/29/20 (Call 09/29/20)		700		693,343
2.55%, 03/01/21 (Call 02/01/21)		350		345,478
2.70%, 05/18/23 (Call 03/18/23)		750		727,770
2.75%, 06/23/20 (Call 05/23/20)		410		408,786
2.95%, 10/01/26 (Call 07/01/26)		375		352,965
2.97%, 01/15/23 (Call 01/15/22)		770		757,826
3.13%, 01/23/25 (Call 10/23/24)		50		48,552
3.20%, 01/25/23		371		369,564
3.20%, 06/15/26 (Call 03/15/26)		350		336,332
3.25%, 09/23/22		740		739,586
3.30%, 04/01/26 (Call 01/01/26)		402		389,803
3.38%, 05/01/23		824		818,562
3.63%, 05/13/24		600		603,186
3.63%, 12/01/27 (Call 12/01/26)		265		255,934
3.88%, 02/01/24		750		766,012
3.88%, 09/10/24		200		201,628
3.90%, 07/15/25 (Call 04/15/25)		450		456,772
4.13%, 12/15/26		250		253,037
4.25%, 10/15/20		975		1,008,004
4.35%, 08/15/21		500		520,440
4.40%, 07/22/20		75		77,620
4.50%, 01/24/22		800		838,008


Security	Principal (000s)		Value
4.63%, 05/10/21	$	400	$	419,448
4.95%, 03/25/20		340		354,243
(3 mo. LIBOR US + 0.935%)
2.78%, 04/25/23 (Call 04/25/22)^b		650		636,168
(3 mo. LIBOR US + 0.945%)
3.51%, 01/23/29 (Call 01/23/28)^b		400		387,680
(3 mo. LIBOR US + 1.155%)
3.22%, 03/01/25 (Call 03/01/24)^b		520		510,198
(3 mo. LIBOR US + 1.337%)
3.78%, 02/01/28 (Call 02/01/27)^b		500		498,025
(3 mo. LIBOR US + 1.380%)
3.54%, 05/01/28 (Call 05/01/27)^b		250		243,825
JPMorgan Chase Bank N.A.
1.65%, 09/23/19 (Call 08/23/19)		250		246,345
(3 mo. LIBOR US + 0.280%)
2.60%, 02/01/21 (Call 02/01/20)^b		250		249,160
KeyBank N.A./Cleveland OH
2.30%, 09/14/22		250		240,285
2.40%, 06/09/22		250		241,955
2.50%, 11/22/21		410		401,144
KeyCorp
2.90%, 09/15/20		350		349,202
5.10%, 03/24/21		300		317,607
KfW
1.00%, 07/15/19		250		245,585
1.25%, 09/30/19		815		801,096
1.50%, 09/09/19		100		98,718
1.50%, 04/20/20		1,050		1,028,244
1.63%, 05/29/20		465		456,035
1.63%, 03/15/21		2,100		2,038,533
1.75%, 03/31/20		125		123,196
1.88%, 04/01/19		2,150		2,141,077
1.88%, 06/30/20		1,050		1,034,733
1.88%, 11/30/20		500		490,830
1.88%, 12/15/20^c		100		98,075
2.00%, 09/29/22		25		24,139
2.00%, 05/02/25^c		1,400		1,312,542


Security	Principal (000s)		Value
2.13%, 03/07/22	$	1,105	$	1,079,044
2.13%, 06/15/22		1,100		1,071,367
2.13%, 01/17/23		325		314,558
2.50%, 11/20/24		1,500		1,457,445
2.63%, 01/25/22		925		921,411
2.75%, 09/08/20		275		276,397
2.75%, 10/01/20		1,275		1,281,273
2.88%, 04/03/28		420		414,137
4.00%, 01/27/20		150		154,361
4.88%, 06/17/19		100		103,267
Korea Development Bank (The)
2.00%, 09/12/26		200		175,772
2.25%, 05/18/20		400		392,916
3.00%, 09/14/22		500		491,605
3.00%, 01/13/26		200		190,784
4.63%, 11/16/21		200		209,650
Landwirtschaftliche Rentenbank
1.38%, 10/23/19		250		246,035
1.75%, 04/15/19		100		99,419
2.00%, 01/13/25		550		516,868
2.25%, 10/01/21		50		49,269
2.38%, 06/10/25		425		408,153
Series 36
2.00%, 12/06/21		100		97,511
Lloyds Bank PLC
2.70%, 08/17/20		250		247,990
6.38%, 01/21/21		150		163,764
Lloyds Banking Group PLC
3.00%, 01/11/22		200		197,038
3.75%, 01/11/27		500		487,190
4.50%, 11/04/24		400		406,656
4.58%, 12/10/25		250		252,797
4.65%, 03/24/26		400		405,960
Manufacturers & Traders Trust Co.
2.50%, 05/18/22 (Call 04/18/22)		300		292,752
2.63%, 01/25/21 (Call 12/25/20)		250		247,663
2.90%, 02/06/25 (Call 01/06/25)		250		241,480
Mitsubishi UFJ Financial Group Inc.
2.19%, 09/13/21		250		241,880
2.67%, 07/25/22		330		320,819


Security	Principal (000s)		Value
2.76%, 09/13/26	$	250	$	231,098
2.95%, 03/01/21		800		797,312
3.29%, 07/25/27		25		23,946
3.46%, 03/02/23		100		99,862
3.68%, 02/22/27		150		148,452
3.78%, 03/02/25		100		100,116
3.85%, 03/01/26		650		652,223
3.96%, 03/02/28		100		100,447
Mizuho Financial Group Inc.
2.27%, 09/13/21		250		241,665
2.60%, 09/11/22		250		241,540
3.17%, 09/11/27		250		236,620
3.55%, 03/05/23		250		250,000
3.66%, 02/28/27		205		202,224
4.02%, 03/05/28		250		250,000
Morgan Stanley
2.38%, 07/23/19		500		497,585
2.50%, 04/21/21		315		309,497
2.63%, 11/17/21		355		347,460
2.65%, 01/27/20		605		602,592
2.75%, 05/19/22		100		97,784
2.80%, 06/16/20		100		99,750
3.13%, 01/23/23		535		527,093
3.13%, 07/27/26		825		783,255
3.63%, 01/20/27		400		391,976
3.70%, 10/23/24		700		700,987
3.75%, 02/25/23		75		76,118
3.88%, 01/27/26		515		516,195
3.95%, 04/23/27		420		413,150
4.00%, 07/23/25		755		766,348
4.10%, 05/22/23		225		229,057
4.35%, 09/08/26		740		752,772
4.88%, 11/01/22		950		1,002,744
5.00%, 11/24/25		25		26,680
5.50%, 01/26/20		400		418,676
5.50%, 07/24/20		400		422,412
5.50%, 07/28/21		360		386,341
5.63%, 09/23/19		200		208,420
5.75%, 01/25/21		500		536,040
7.30%, 05/13/19		800		841,840
(3 mo. LIBOR US + 1.140%)
3.77%, 01/24/29 (Call 01/24/28)^b		150		146,831


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.340%)
3.59%, 07/22/28 (Call 07/22/27)^b	$	500	$	482,985
Series F
3.88%, 04/29/24		645		652,779
MUFG Americas Holdings Corp.
3.00%, 02/10/25 (Call 01/10/25)		350		338,243
National Australia Bank Ltd./New York
1.88%, 07/12/21		50		48,051
2.50%, 05/22/22		300		291,036
2.50%, 07/12/26		250		228,583
2.63%, 07/23/20		500		496,665
2.63%, 01/14/21		250		247,143
2.80%, 01/10/22		250		246,613
3.38%, 01/14/26		250		244,920
National Bank of Canada
2.15%, 06/12/20 (Call 05/12/20)		250		246,303
Northern Trust Corp.
3.38%, 08/23/21		150		152,552
3.45%, 11/04/20		113		115,209
3.95%, 10/30/25		100		102,827
Oesterreichische Kontrollbank AG
1.13%, 04/26/19		560		552,328
1.38%, 02/10/20		650		636,733
1.50%, 10/21/20		425		413,159
1.88%, 01/20/21		250		244,815
2.38%, 10/01/21		150		148,277
PNC Bank N.A.
2.15%, 04/29/21 (Call 03/30/21)^d		250		243,375
2.30%, 06/01/20 (Call 05/02/20)^d		500		494,270
2.45%, 11/05/20 (Call 10/06/20)^d		250		246,825
2.50%, 01/22/21 (Call 12/23/20)^d		250		246,598
2.70%, 11/01/22 (Call 10/01/22)^d		250		242,978
3.25%, 06/01/25 (Call 05/02/25)^d		250		245,955
4.20%, 11/01/25 (Call 10/02/25)^d		500		517,215


Security	Principal (000s)		Value
PNC Financial Services Group Inc. (The)
3.15%, 05/19/27 (Call 04/19/27)^d	$	150	$	144,236
3.30%, 03/08/22 (Call 02/06/22)^d		400		403,180
3.90%, 04/29/24 (Call 03/29/24)^d		250		255,017
4.38%, 08/11/20^d		400		413,464
6.88%, 05/15/19^d		650		680,816
RBC USA Holdco Corp.
5.25%, 09/15/20		300		317,061
Regions Financial Corp.
3.20%, 02/08/21 (Call 01/08/21)		275		275,869
Royal Bank of Canada
1.63%, 04/15/19		250		247,373
2.13%, 03/02/20		200		197,438
2.15%, 03/15/19		250		248,985
2.15%, 03/06/20		225		222,138
2.35%, 10/30/20		494		488,062
4.65%, 01/27/26		450		466,767
Royal Bank of Scotland Group PLC
3.88%, 09/12/23		550		546,738
4.80%, 04/05/26		450		466,528
6.40%, 10/21/19		250		263,052
Santander Holdings USA Inc.
2.65%, 04/17/20 (Call 03/17/20)		150		148,790
3.70%, 03/28/22 (Call 02/28/22)^a		50		49,965
4.40%, 07/13/27 (Call 06/13/27)^a		170		169,393
4.50%, 07/17/25 (Call 04/17/25)		375		380,449
Santander UK Group Holdings PLC
2.88%, 10/16/20		300		297,771
2.88%, 08/05/21		250		245,370
3.13%, 01/08/21		345		343,399
3.57%, 01/10/23 (Call 01/10/22)		100		99,225
(3 mo. LIBOR US + 1.400%)
3.82%, 11/03/28 (Call 11/03/27)^b		200		190,686


Security	Principal (000s)		Value
Santander UK PLC
2.38%, 03/16/20	$	525	$	518,485
2.50%, 03/14/19		250		249,697
4.00%, 03/13/24		365		371,898
Skandinaviska Enskilda Banken AB
1.88%, 09/13/21		250		239,373
2.30%, 03/11/20		500		494,415
State Street Corp.
1.95%, 05/19/21		160		155,123
2.65%, 05/19/26		345		322,016
3.55%, 08/18/25		400		401,308
3.70%, 11/20/23		325		333,401
4.38%, 03/07/21		300		312,843
Sumitomo Mitsui Banking Corp.
2.25%, 07/11/19		500		496,525
2.45%, 01/16/20		1,150		1,140,478
2.45%, 10/20/20		500		494,030
3.65%, 07/23/25		250		251,020
Sumitomo Mitsui Financial Group Inc.
2.06%, 07/14/21		5		4,823
2.78%, 10/18/22		215		209,300
2.85%, 01/11/22		250		245,918
2.93%, 03/09/21		175		174,158
3.01%, 10/19/26		250		235,525
3.10%, 01/17/23		100		98,607
3.35%, 10/18/27^c		535		515,307
3.36%, 07/12/27		250		241,045
3.45%, 01/11/27		650		632,346
3.54%, 01/17/28		110		107,358
3.78%, 03/09/26		325		324,512
SunTrust Bank/Atlanta GA
2.45%, 08/01/22 (Call 07/01/22)		250		241,970
3.00%, 02/02/23 (Call 01/02/23)		150		147,842
3.30%, 05/15/26 (Call 04/15/26)		250		239,953
SunTrust Banks Inc.
2.70%, 01/27/22 (Call 12/27/21)		380		372,643
2.90%, 03/03/21 (Call 02/03/21)		240		239,016


Security	Principal (000s)		Value
SVB Financial Group
3.50%, 01/29/25	$	200	$	194,770
Svenska Handelsbanken AB
1.50%, 09/06/19		250		245,500
1.88%, 09/07/21		250		239,150
2.40%, 10/01/20		250		246,515
2.45%, 03/30/21		250		245,098
Synovus Financial Corp.
3.13%, 11/01/22 (Call 10/01/22)		150		146,213
Toronto-Dominion Bank (The)
1.80%, 07/13/21		575		553,754
1.90%, 10/24/19		750		741,015
2.13%, 07/02/19		400		397,636
2.13%, 04/07/21		575		561,160
2.25%, 11/05/19		300		297,921
2.50%, 12/14/20		275		272,440
2.55%, 01/25/21		250		247,707
U.S. Bancorp.
2.20%, 04/25/19 (Call 03/25/19)		250		248,962
2.35%, 01/29/21 (Call 12/29/20)		250		246,223
2.63%, 01/24/22 (Call 12/23/21)		250		246,053
2.95%, 07/15/22 (Call 06/15/22)		286		282,994
3.10%, 04/27/26 (Call 03/27/26)		385		368,102
3.70%, 01/30/24 (Call 12/29/23)		175		179,223
4.13%, 05/24/21 (Call 04/23/21)		100		103,579
Series F
3.60%, 09/11/24 (Call 08/11/24)		275		277,973
Series V
2.38%, 07/22/26 (Call 06/22/26)		250		227,628
Series X
3.15%, 04/27/27 (Call 03/27/27)		100		96,243


Security	Principal (000s)		Value
U.S. Bank N.A./Cincinnati OH
2.13%, 10/28/19 (Call 09/28/19)	$	450	$	446,017
2.80%, 01/27/25 (Call 12/27/24)		250		239,845
2.85%, 01/23/23 (Call 12/23/22)		350		344,491
UBS AG/Stamford CT
2.35%, 03/26/20		500		494,275
2.38%, 08/14/19		500		497,640
Wells Fargo & Co.
2.10%, 07/26/21		750		724,582
2.13%, 04/22/19		650		646,210
2.50%, 03/04/21		740		726,909
2.55%, 12/07/20		410		404,629
2.60%, 07/22/20		799		792,568
3.00%, 02/19/25		600		576,672
3.00%, 04/22/26		925		875,531
3.00%, 10/23/26		550		519,332
3.07%, 01/24/23 (Call 01/24/22)		150		147,848
3.30%, 09/09/24		400		394,372
3.50%, 03/08/22		325		327,473
3.55%, 09/29/25		826		818,302
4.10%, 06/03/26		635		636,048
4.30%, 07/22/27		200		202,656
4.48%, 01/16/24		300		313,005
4.60%, 04/01/21		555		579,376
(3 mo. LIBOR US + 1.310%)
3.58%, 05/22/28 (Call 05/22/27)^b		460		449,144
Series M
3.45%, 02/13/23		475		471,637
Series N
2.15%, 01/30/20		600		591,540
Wells Fargo Bank N.A.
1.75%, 05/24/19		500		495,335
2.15%, 12/06/19		500		494,545
2.40%, 01/15/20		250		247,935
2.60%, 01/15/21		250		246,773
Westpac Banking Corp.
1.60%, 08/19/19		325		319,884
1.65%, 05/13/19		150		148,284


Security	Principal (000s)		Value
2.00%, 08/19/21	$	250	$	241,430
2.10%, 05/13/21		355		344,705
2.15%, 03/06/20		250		246,650
2.30%, 05/26/20		100		98,740
2.50%, 06/28/22		300		291,180
2.60%, 11/23/20		500		495,430
2.65%, 01/25/21		100		99,016
2.70%, 08/19/26		250		231,940
2.75%, 01/11/23		250		243,370
2.80%, 01/11/22		100		98,741
2.85%, 05/13/26		295		277,601
3.35%, 03/08/27		300		291,147
3.40%, 01/25/28		115		111,589
4.88%, 11/19/19		400		413,948

				196,771,677
BEVERAGES — 0.84%
Anheuser-Busch InBev Finance Inc.
2.63%, 01/17/23		145		140,849
2.65%, 02/01/21 (Call 01/01/21)		1,465		1,451,493
3.30%, 02/01/23 (Call 12/01/22)		1,315		1,309,674
3.65%, 02/01/26 (Call 11/01/25)		1,825		1,806,385
3.70%, 02/01/24		500		508,355
Anheuser-Busch InBev Worldwide Inc.
2.50%, 07/15/22		750		729,465
5.38%, 01/15/20		600		627,858
Beam Suntory Inc.
3.25%, 05/15/22 (Call 02/15/22)		150		149,361
Coca-Cola Bottling Co. Consolidated
3.80%, 11/25/25 (Call 08/25/25)		125		123,436
Coca-Cola Co. (The)
1.38%, 05/30/19		85		83,956
1.55%, 09/01/21		450		432,058
1.88%, 10/27/20		250		245,160
2.25%, 09/01/26		165		152,462
2.45%, 11/01/20		350		348,873
2.55%, 06/01/26		125		118,267


Security	Principal (000s)		Value
2.88%, 10/27/25	$	300	$	291,708
2.90%, 05/25/27		200		193,176
3.15%, 11/15/20		69		69,825
3.20%, 11/01/23		295		298,561
3.30%, 09/01/21		255		258,802
Coca-Cola FEMSA SAB de CV
2.38%, 11/26/18		264		263,752
Constellation Brands Inc.
2.70%, 05/09/22 (Call 04/09/22)		250		244,060
3.20%, 02/15/23 (Call 01/15/23)		150		148,386
3.70%, 12/06/26 (Call 09/06/26)		550		543,059
Diageo Capital PLC
2.63%, 04/29/23 (Call 01/29/23)		150		145,542
Diageo Investment Corp.
2.88%, 05/11/22		325		322,426
Dr Pepper Snapple Group Inc.
2.55%, 09/15/26 (Call 06/15/26)		215		192,470
3.13%, 12/15/23 (Call 10/15/23)		250		244,190
Molson Coors Brewing Co.
1.45%, 07/15/19		25		24,565
1.90%, 03/15/19		50		49,589
2.10%, 07/15/21 (Call 06/15/21)		650		626,262
3.00%, 07/15/26 (Call 04/15/26)		315		294,430
PepsiCo Inc.
1.35%, 10/04/19		230		225,973
1.55%, 05/02/19		100		99,034
2.15%, 10/14/20 (Call 09/14/20)		600		591,720
2.25%, 05/02/22 (Call 04/02/22)		400		388,756
2.38%, 10/06/26 (Call 07/06/26)		440		405,121
2.75%, 03/05/22		375		371,910
2.75%, 03/01/23		20		19,773
2.75%, 04/30/25 (Call 01/30/25)		100		96,589


Security	Principal (000s)		Value
2.85%, 02/24/26 (Call 11/24/25)	$	275	$	263,651
3.00%, 08/25/21		201		202,252
3.10%, 07/17/22 (Call 05/17/22)		50		50,266
3.13%, 11/01/20		200		202,046
3.60%, 03/01/24 (Call 12/01/23)		550		560,769

				15,916,315
BIOTECHNOLOGY — 0.53%
Amgen Inc.
1.85%, 08/19/21 (Call 07/19/21)		180		172,604
1.90%, 05/10/19		50		49,624
2.13%, 05/01/20 (Call 04/01/20)		300		295,344
2.20%, 05/22/19 (Call 04/22/19)		250		248,765
2.60%, 08/19/26 (Call 05/19/26)		340		311,311
2.65%, 05/11/22 (Call 04/11/22)		190		185,639
3.13%, 05/01/25 (Call 02/01/25)		25		24,205
3.45%, 10/01/20		15		15,210
3.63%, 05/22/24 (Call 02/22/24)		600		603,816
3.88%, 11/15/21 (Call 08/15/21)		795		814,008
4.10%, 06/15/21 (Call 03/15/21)		100		103,092
4.50%, 03/15/20		200		206,256
Baxalta Inc.
2.88%, 06/23/20 (Call 05/23/20)		250		248,550
4.00%, 06/23/25 (Call 03/23/25)		500		498,180
Bio-Rad Laboratories Inc.
4.88%, 12/15/20		165		172,118
Biogen Inc.
2.90%, 09/15/20		280		279,698
3.63%, 09/15/22		25		25,301
4.05%, 09/15/25 (Call 06/15/25)		482		492,628


Security	Principal (000s)		Value
Celgene Corp.
2.25%, 05/15/19	$	225	$	223,776
2.25%, 08/15/21		200		194,186
2.88%, 08/15/20		100		99,762
3.25%, 08/15/22		260		258,658
3.55%, 08/15/22		75		75,416
3.63%, 05/15/24 (Call 02/15/24)		150		149,151
3.88%, 08/15/25 (Call 05/15/25)		515		513,599
3.90%, 02/20/28 (Call 11/20/27)		250		245,875
3.95%, 10/15/20		245		250,819
4.00%, 08/15/23		250		255,315
Gilead Sciences Inc.
1.95%, 03/01/22 (Call 02/01/22)		195		186,490
2.05%, 04/01/19		250		248,780
2.55%, 09/01/20		990		983,228
2.95%, 03/01/27 (Call 12/01/26)		170		160,075
3.25%, 09/01/22 (Call 07/01/22)		205		205,644
3.50%, 02/01/25 (Call 11/01/24)		575		572,568
3.65%, 03/01/26 (Call 12/01/25)		325		324,919
3.70%, 04/01/24 (Call 01/01/24)		374		379,868
4.50%, 04/01/21 (Call 01/01/21)		100		104,351

				10,178,829
BUILDING MATERIALS — 0.08%
Fortune Brands Home & Security Inc.
3.00%, 06/15/20 (Call 05/15/20)		100		99,972
Johnson Controls International PLC
3.63%, 07/02/24 (Call 04/02/24)^e		25		25,296
3.75%, 12/01/21 (Call 09/01/21)		200		204,274
3.90%, 02/14/26 (Call 11/14/25)		100		101,297


Security	Principal (000s)		Value
4.25%, 03/01/21	$	36	$	37,185
Lennox International Inc.
3.00%, 11/15/23 (Call 09/15/23)		80		77,919
Martin Marietta Materials Inc.
3.50%, 12/15/27 (Call 09/15/27)		250		240,093
Masco Corp.
3.50%, 04/01/21 (Call 03/01/21)		50		50,347
4.38%, 04/01/26 (Call 01/01/26)		115		117,929
4.45%, 04/01/25 (Call 01/01/25)		150		155,030
Owens Corning
4.20%, 12/15/22 (Call 09/15/22)		150		154,017
4.20%, 12/01/24 (Call 09/01/24)		250		255,982

				1,519,341
CHEMICALS — 0.53%
Agrium Inc.
3.15%, 10/01/22 (Call 07/01/22)		150		149,432
3.50%, 06/01/23 (Call 03/01/23)		125		125,231
Air Products & Chemicals Inc.
3.35%, 07/31/24 (Call 04/30/24)		250		252,135
Airgas Inc.
3.65%, 07/15/24 (Call 04/15/24)		175		178,190
Cabot Corp.
3.70%, 07/15/22		130		131,192
Celanese U.S. Holdings LLC
4.63%, 11/15/22		35		36,454
Dow Chemical Co. (The)
3.00%, 11/15/22 (Call 08/15/22)		320		315,546
3.50%, 10/01/24 (Call 07/01/24)		240		238,920
4.13%, 11/15/21 (Call 08/15/21)		100		103,402


Security	Principal (000s)		Value
4.25%, 11/15/20 (Call 08/15/20)	$	405	$	417,008
8.55%, 05/15/19		450		480,514
Eastman Chemical Co.
2.70%, 01/15/20 (Call 12/15/19)		170		169,745
3.60%, 08/15/22 (Call 05/15/22)		195		197,406
3.80%, 03/15/25 (Call 12/15/24)		125		127,044
EI du Pont de Nemours & Co.
2.80%, 02/15/23		365		358,372
3.63%, 01/15/21		225		229,477
4.25%, 04/01/21		375		389,411
4.63%, 01/15/20		225		233,314
5.75%, 03/15/19		75		77,304
FMC Corp.
4.10%, 02/01/24 (Call 11/01/23)		90		91,177
LYB International Finance BV
4.00%, 07/15/23		50		51,118
LYB International Finance II BV
3.50%, 03/02/27 (Call 12/02/26)		165		160,477
LyondellBasell Industries NV
5.00%, 04/15/19 (Call 01/15/19)		145		147,758
5.75%, 04/15/24 (Call 01/15/24)		250		276,940
6.00%, 11/15/21 (Call 08/17/21)		400		434,764
Methanex Corp.
4.25%, 12/01/24 (Call 09/01/24)		200		199,352
Monsanto Co.
2.13%, 07/15/19		355		352,071
3.38%, 07/15/24 (Call 04/15/24)		235		233,155
Mosaic Co. (The)
3.75%, 11/15/21 (Call 08/15/21)		250		252,322
4.25%, 11/15/23 (Call 08/15/23)		200		205,706


Security	Principal (000s)		Value
Potash Corp. of Saskatchewan Inc.
3.00%, 04/01/25 (Call 01/01/25)	$	150	$	142,460
3.63%, 03/15/24 (Call 12/15/23)		244		244,456
4.00%, 12/15/26 (Call 09/15/26)		150		150,768
6.50%, 05/15/19		125		130,155
PPG Industries Inc.
2.30%, 11/15/19 (Call 10/15/19)		150		149,175
3.60%, 11/15/20		200		204,002
3.75%, 03/15/28 (Call 12/15/27)		100		100,177
Praxair Inc.
2.20%, 08/15/22 (Call 05/15/22)		100		96,739
2.65%, 02/05/25 (Call 11/05/24)		70		67,303
2.70%, 02/21/23 (Call 11/21/22)		75		73,693
3.00%, 09/01/21		100		100,359
3.20%, 01/30/26 (Call 10/30/25)		25		24,852
4.05%, 03/15/21		100		103,436
4.50%, 08/15/19		256		263,048
RPM International Inc.
3.75%, 03/15/27 (Call 12/15/26)		100		98,006
Sherwin-Williams Co. (The)
2.25%, 05/15/20		150		147,879
2.75%, 06/01/22 (Call 05/01/22)		385		375,714
3.45%, 06/01/27 (Call 03/01/27)		200		192,570
4.20%, 01/15/22 (Call 10/15/21)		150		154,291
Syngenta Finance NV
3.13%, 03/28/22		200		192,918
Westlake Chemical Corp.
3.60%, 08/15/26 (Call 05/15/26)		385		375,067

				10,002,005


Security	Principal (000s)		Value
COMMERCIAL SERVICES — 0.20%
Automatic Data Processing Inc.
2.25%, 09/15/20 (Call 08/15/20)	$	415	$	410,638
3.38%, 09/15/25 (Call 06/15/25)		165		165,650
Block Financial LLC
4.13%, 10/01/20 (Call 09/01/20)		475		484,661
Ecolab Inc.
2.38%, 08/10/22 (Call 07/10/22)		120		115,952
2.70%, 11/01/26 (Call 08/01/26)		325		303,651
3.25%, 01/14/23 (Call 11/14/22)		315		315,057
Equifax Inc.
3.30%, 12/15/22 (Call 09/15/22)		200		198,374
Moody’s Corp.
2.63%, 01/15/23 (Call 12/15/22)^a		250		241,633
4.88%, 02/15/24 (Call 11/15/23)		250		266,768
5.50%, 09/01/20		120		126,962
Princeton University
Series A
4.95%, 03/01/19		75		76,625
S&P Global Inc.
2.95%, 01/22/27 (Call 10/22/26)		495		468,161
3.30%, 08/14/20 (Call 07/14/20)		85		85,762
Total System Services Inc.
4.80%, 04/01/26 (Call 01/01/26)		90		94,417
Verisk Analytics Inc.
4.00%, 06/15/25 (Call 03/15/25)		250		250,940
5.80%, 05/01/21		105		112,973
Western Union Co. (The)
5.25%, 04/01/20		66		68,742

				3,786,966


Security	Principal (000s)		Value
COMPUTERS — 1.06%
Apple Inc.
1.10%, 08/02/19	$	50	$	49,080
1.55%, 02/07/20		200		196,406
1.55%, 08/04/21 (Call 07/04/21)		465		445,461
1.90%, 02/07/20		100		98,869
2.00%, 11/13/20		250		245,845
2.10%, 05/06/19		300		298,920
2.15%, 02/09/22		275		267,162
2.25%, 02/23/21 (Call 01/23/21)		930		915,678
2.30%, 05/11/22 (Call 04/11/22)		200		194,708
2.40%, 01/13/23 (Call 12/13/22)		250		242,440
2.40%, 05/03/23		400		386,808
2.45%, 08/04/26 (Call 05/04/26)		30		27,756
2.50%, 02/09/22 (Call 01/09/22)		365		359,171
2.50%, 02/09/25		110		104,105
2.70%, 05/13/22		1,000		991,460
2.75%, 01/13/25 (Call 11/13/24)		265		254,925
2.85%, 05/06/21		1,000		1,001,260
2.85%, 02/23/23 (Call 12/23/22)		650		642,681
2.90%, 09/12/27 (Call 06/12/27)		500		472,945
3.00%, 02/09/24 (Call 12/09/23)		5		4,935
3.20%, 05/13/25		690		682,983
3.20%, 05/11/27 (Call 02/11/27)		745		725,623
3.25%, 02/23/26 (Call 11/23/25)		610		600,923
3.35%, 02/09/27 (Call 11/09/26)		330		325,317
3.45%, 05/06/24		652		656,681
Dell International LLC/EMC Corp.
3.48%, 06/01/19^a		100		100,644
4.42%, 06/15/21 (Call 05/15/21)^a		1,390		1,418,926


Security	Principal (000s)		Value
5.45%, 06/15/23 (Call 04/15/23)^a	$	1,000	$	1,054,260
6.02%, 06/15/26 (Call 03/15/26)^a		555		592,723
DXC Technology Co.
4.25%, 04/15/24 (Call 02/15/24)		175		179,016
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)		750		758,175
4.40%, 10/15/22 (Call 08/15/22)		315		326,409
4.90%, 10/15/25 (Call 07/15/25)		420		434,062
HP Inc.
4.05%, 09/15/22		164		168,528
4.30%, 06/01/21		315		325,918
4.65%, 12/09/21		485		507,970
IBM Credit LLC
1.80%, 01/20/21		100		97,209
2.65%, 02/05/21		100		99,368
3.00%, 02/06/23		100		99,052
International Business Machines Corp.
1.63%, 05/15/20		500		488,980
1.80%, 05/17/19		100		99,181
1.88%, 08/01/22		300		284,898
2.88%, 11/09/22		450		444,564
2.90%, 11/01/21		450		449,095
3.38%, 08/01/23		400		403,196
3.45%, 02/19/26		500		500,820
3.63%, 02/12/24		300		305,325
NetApp Inc.
3.38%, 06/15/21 (Call 04/15/21)		60		60,218
Seagate HDD Cayman
4.25%, 03/01/22 (Call 02/01/22)^a		75		74,245
4.75%, 06/01/23		325		327,096
4.75%, 01/01/25		75		72,654
4.88%, 03/01/24 (Call 01/01/24)^a		250		249,830


Security	Principal (000s)		Value
4.88%, 06/01/27 (Call 03/01/27)	$	25	$	23,873

				20,138,377
COSMETICS & PERSONAL CARE — 0.20%
Colgate-Palmolive Co.
2.25%, 11/15/22		250		242,557
2.30%, 05/03/22		250		244,460
2.45%, 11/15/21		200		198,040
Estee Lauder Companies Inc. (The)
1.70%, 05/10/21 (Call 04/10/21)		90		86,860
3.15%, 03/15/27 (Call 12/15/26)		155		150,767
Procter & Gamble Co. (The)
1.70%, 11/03/21		185		177,850
1.90%, 11/01/19		125		123,981
1.90%, 10/23/20		250		245,832
2.30%, 02/06/22		625		612,287
2.45%, 11/03/26		125		115,954
2.70%, 02/02/26		135		128,847
2.85%, 08/11/27		250		238,295
Unilever Capital Corp.
1.38%, 07/28/21		250		238,160
2.00%, 07/28/26		250		223,375
2.20%, 05/05/22 (Call 04/05/22)		250		242,413
2.90%, 05/05/27 (Call 02/05/27)		250		238,088
4.25%, 02/10/21		250		259,870

				3,767,636
DIVERSIFIED FINANCIAL SERVICES — 1.31%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
3.95%, 02/01/22 (Call 01/01/22)		500		505,030
4.25%, 07/01/20		250		255,560
4.50%, 05/15/21		300		308,949
4.63%, 10/30/20		350		361,900
Affiliated Managers Group Inc.
3.50%, 08/01/25		150		146,820
4.25%, 02/15/24		100		102,859
Air Lease Corp.
2.13%, 01/15/20		115		113,411


Security	Principal (000s)		Value
2.63%, 07/01/22 (Call 06/01/22)	$	165	$	159,525
2.75%, 01/15/23 (Call 12/15/22)		100		96,652
3.00%, 09/15/23 (Call 07/15/23)		170		164,689
3.25%, 03/01/25 (Call 01/01/25)		50		48,006
3.38%, 06/01/21 (Call 05/01/21)		110		110,484
3.63%, 04/01/27 (Call 01/01/27)		80		76,343
3.63%, 12/01/27 (Call 09/01/27)		100		95,627
3.75%, 02/01/22 (Call 12/01/21)		50		50,699
4.25%, 09/15/24 (Call 06/15/24)		250		256,382
4.75%, 03/01/20		150		155,228
American Express Co.
2.50%, 08/01/22 (Call 07/01/22)		500		483,495
2.65%, 12/02/22		800		777,704
3.63%, 12/05/24 (Call 11/04/24)		150		150,024
American Express Credit Corp.
1.70%, 10/30/19 (Call 09/30/19)		150		147,539
1.88%, 05/03/19 (Call 04/03/19)		30		29,750
2.13%, 03/18/19		825		821,956
2.25%, 08/15/19		450		447,439
2.25%, 05/05/21 (Call 04/04/21)		755		736,623
2.38%, 05/26/20 (Call 04/25/20)		460		454,853
2.70%, 03/03/22 (Call 01/31/22)		260		254,938
3.30%, 05/03/27 (Call 04/03/27)		150		145,421
Ameriprise Financial Inc.
2.88%, 09/15/26 (Call 06/15/26)		70		66,138


Security	Principal (000s)		Value
4.00%, 10/15/23	$	390	$	403,155
5.30%, 03/15/20		240		251,810
Brookfield Finance Inc.
3.90%, 01/25/28 (Call 10/25/27)		250		243,220
4.25%, 06/02/26 (Call 03/02/26)		100		100,364
Brookfield Finance LLC
4.00%, 04/01/24 (Call 02/01/24)		25		25,278
Charles Schwab Corp. (The)
2.65%, 01/25/23 (Call 12/25/22)		100		97,581
3.00%, 03/10/25 (Call 12/10/24)		80		77,771
3.20%, 03/02/27 (Call 12/02/26)		215		209,268
3.20%, 01/25/28 (Call 10/25/27)		125		120,744
4.45%, 07/22/20		347		361,265
CME Group Inc.
3.00%, 09/15/22		225		224,208
3.00%, 03/15/25 (Call 12/15/24)		215		209,991
Discover Financial Services
3.75%, 03/04/25 (Call 12/04/24)		150		146,825
3.85%, 11/21/22		475		477,541
3.95%, 11/06/24 (Call 08/06/24)		200		199,824
4.10%, 02/09/27 (Call 11/09/26)		35		34,552
E*TRADE Financial Corp.
2.95%, 08/24/22 (Call 07/24/22)		90		87,799
Eaton Vance Corp.
3.50%, 04/06/27 (Call 01/06/27)		275		271,513
Franklin Resources Inc.
2.80%, 09/15/22		250		245,257
2.85%, 03/30/25		125		120,918
GE Capital International Funding Co. Unlimited Co.
2.34%, 11/15/20		816		798,268


Security	Principal (000s)		Value
3.37%, 11/15/25	$	550	$	529,364
Genpact Luxembourg Sarl
3.70%, 04/01/22 (Call 03/01/22)^a		150		147,147
Intercontinental Exchange Inc.
2.75%, 12/01/20 (Call 11/01/20)		400		398,304
3.10%, 09/15/27 (Call 06/15/27)		125		119,903
3.75%, 12/01/25 (Call 09/01/25)		315		320,194
4.00%, 10/15/23		140		144,987
International Lease Finance Corp.
5.88%, 04/01/19		500		516,090
5.88%, 08/15/22		150		163,563
6.25%, 05/15/19		300		310,977
8.25%, 12/15/20		200		225,046
8.63%, 01/15/22		100		117,947
Invesco Finance PLC
3.13%, 11/30/22		150		148,671
4.00%, 01/30/24		265		273,859
Janus Capital Group Inc.
4.88%, 08/01/25 (Call 05/01/25)		175		182,481
Jefferies Group LLC
5.13%, 01/20/23		125		132,859
6.88%, 04/15/21		250		275,072
8.50%, 07/15/19		25		26,811
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.85%, 01/15/27		205		211,533
Lazard Group LLC
3.75%, 02/13/25		280		277,945
4.25%, 11/14/20		200		206,344
Legg Mason Inc.
4.75%, 03/15/26		35		36,581
Mastercard Inc.
2.00%, 04/01/19		58		57,725
2.95%, 11/21/26 (Call 08/21/26)		140		134,540
3.38%, 04/01/24		315		315,444
3.50%, 02/26/28 (Call 11/26/27)		70		70,156


Security	Principal (000s)		Value
Nasdaq Inc.
3.85%, 06/30/26 (Call 03/30/26)	$	150	$	148,658
4.25%, 06/01/24 (Call 03/01/24)		150		154,065
5.55%, 01/15/20		180		188,377
National Rural Utilities Cooperative Finance Corp.
1.50%, 11/01/19		250		245,325
2.30%, 11/15/19 (Call 10/15/19)		225		223,450
2.30%, 11/01/20 (Call 10/01/20)		200		197,308
2.40%, 04/25/22 (Call 03/25/22)		100		97,138
2.70%, 02/15/23 (Call 12/15/22)		200		195,116
3.05%, 02/15/22 (Call 11/15/21)		200		199,538
3.25%, 11/01/25 (Call 08/01/25)		160		157,802
3.40%, 11/15/23 (Call 08/15/23)		150		150,963
3.40%, 02/07/28 (Call 11/07/27)		250		245,852
Nomura Holdings Inc.
6.70%, 03/04/20		325		348,029
ORIX Corp.
2.90%, 07/18/22		65		63,569
3.25%, 12/04/24		315		305,915
Raymond James Financial Inc.
3.63%, 09/15/26		150		146,483
Stifel Financial Corp.
4.25%, 07/18/24		195		196,119
Synchrony Financial
3.00%, 08/15/19 (Call 07/15/19)		375		375,184
3.70%, 08/04/26 (Call 05/04/26)		250		238,912
4.25%, 08/15/24 (Call 05/15/24)		300		302,262
4.50%, 07/23/25 (Call 04/24/25)		350		355,663


Security	Principal (000s)		Value
TD Ameritrade Holding Corp.
2.95%, 04/01/22 (Call 02/01/22)	$	415	$	412,278
3.30%, 04/01/27 (Call 01/01/27)		35		34,136
Visa Inc.
2.15%, 09/15/22 (Call 08/15/22)		10		9,627
2.20%, 12/14/20 (Call 11/14/20)		930		918,217
2.75%, 09/15/27 (Call 06/15/27)		110		103,568
2.80%, 12/14/22 (Call 10/14/22)		670		661,250
3.15%, 12/14/25 (Call 09/14/25)		502		492,738
Washington Prime Group LP
5.95%, 08/15/24 (Call 06/15/24)		150		148,359

				24,890,640
ELECTRIC — 1.47%
AEP Texas Inc.
2.40%, 10/01/22 (Call 09/01/22)		250		241,017
AEP Transmission Co. LLC
3.10%, 12/01/26 (Call 09/01/26)		155		149,733
Ameren Corp.
2.70%, 11/15/20 (Call 10/15/20)		125		124,330
Ameren Illinois Co.
2.70%, 09/01/22 (Call 06/01/22)		175		171,803
American Electric Power Co. Inc.
2.95%, 12/15/22 (Call 09/15/22)		175		173,040
Arizona Public Service Co.
2.95%, 09/15/27 (Call 06/15/27)		145		137,224
8.75%, 03/01/19		250		264,605
Berkshire Hathaway Energy Co.
2.40%, 02/01/20 (Call 01/01/20)		80		79,559


Security	Principal (000s)		Value
3.75%, 11/15/23 (Call 08/15/23)	$	70	$	71,642
Black Hills Corp.
4.25%, 11/30/23 (Call 08/30/23)		400		412,724
CenterPoint Energy Houston Electric LLC
2.25%, 08/01/22 (Call 05/01/22)		100		96,348
Series AA
3.00%, 02/01/27 (Call 11/01/26)		200		191,904
CenterPoint Energy Inc.
2.50%, 09/01/22 (Call 08/01/22)		35		33,834
CMS Energy Corp.
6.25%, 02/01/20		300		318,216
Commonwealth Edison Co.
2.95%, 08/15/27 (Call 05/15/27)		110		105,122
Consolidated Edison Co. of New York Inc.
6.65%, 04/01/19		175		182,191
Consumers Energy Co.
2.85%, 05/15/22 (Call 02/15/22)		50		49,624
3.38%, 08/15/23 (Call 05/15/23)		225		226,237
6.13%, 03/15/19		105		108,651
Dominion Energy Inc.
2.50%, 12/01/19 (Call 11/01/19)		300		297,618
2.75%, 01/15/22 (Call 12/15/21)		250		244,912
3.90%, 10/01/25 (Call 07/01/25)		100		100,880
4.45%, 03/15/21		200		207,802
5.20%, 08/15/19		250		257,570
Series C
2.00%, 08/15/21 (Call 07/15/21)		100		96,131
DTE Electric Co.
3.45%, 10/01/20 (Call 07/01/20)		270		274,101


Security	Principal (000s)		Value
3.80%, 03/15/27 (Call 12/15/26)	$	100	$	100,046
DTE Energy Co.
2.40%, 12/01/19 (Call 11/01/19)		55		54,567
2.85%, 10/01/26 (Call 07/01/26)		300		278,706
3.30%, 06/15/22 (Call 04/15/22)		225		224,363
Duke Energy Carolinas LLC
2.50%, 03/15/23 (Call 01/15/23)		275		266,909
2.95%, 12/01/26 (Call 09/01/26)		20		19,176
3.05%, 03/15/23 (Call 02/15/23)		330		328,957
Duke Energy Corp.
1.80%, 09/01/21 (Call 08/01/21)		255		244,155
2.65%, 09/01/26 (Call 06/01/26)		265		243,130
3.05%, 08/15/22 (Call 05/15/22)		150		148,802
3.15%, 08/15/27 (Call 05/15/27)		125		118,363
3.55%, 09/15/21 (Call 06/15/21)		200		202,958
3.75%, 04/15/24 (Call 01/15/24)		230		233,075
5.05%, 09/15/19		262		270,984
Duke Energy Indiana LLC
3.75%, 07/15/20		75		76,665
Duke Energy Ohio Inc.
5.45%, 04/01/19		200		205,806
Duke Energy Progress LLC
2.80%, 05/15/22 (Call 02/15/22)		100		99,269
3.00%, 09/15/21 (Call 06/15/21)		150		150,618
3.25%, 08/15/25 (Call 05/15/25)		215		212,745
Edison International
2.13%, 04/15/20		250		246,285


Security	Principal (000s)		Value
2.40%, 09/15/22 (Call 08/15/22)	$	265	$	254,633
2.95%, 03/15/23 (Call 01/15/23)		250		244,342
Emera U.S. Finance LP
2.70%, 06/15/21 (Call 05/15/21)		165		161,895
3.55%, 06/15/26 (Call 03/15/26)		275		264,429
Entergy Arkansas Inc.
3.70%, 06/01/24 (Call 03/01/24)		275		280,558
3.75%, 02/15/21 (Call 11/15/20)		200		204,314
Entergy Corp.
2.95%, 09/01/26 (Call 06/01/26)		325		305,623
4.00%, 07/15/22 (Call 05/15/22)		355		363,839
Entergy Gulf States Louisiana LLC
5.59%, 10/01/24		20		22,569
Entergy Louisiana LLC
2.40%, 10/01/26 (Call 07/01/26)		30		27,460
Eversource Energy
Series M 3.30%, 01/15/28 (Call 10/15/27)		75		72,270
Exelon Corp.
2.85%, 06/15/20 (Call 05/15/20)		505		502,192
3.40%, 04/15/26 (Call 01/15/26)		200		194,356
3.50%, 06/01/22 (Call 05/01/22)		300		299,787
3.95%, 06/15/25 (Call 03/15/25)		300		303,306
Exelon Generation Co. LLC
2.95%, 01/15/20 (Call 12/15/19)		175		174,954
3.40%, 03/15/22 (Call 02/15/22)		150		150,305
4.00%, 10/01/20 (Call 07/01/20)		15		15,322


Security	Principal (000s)		Value
4.25%, 06/15/22 (Call 03/15/22)	$	265	$	273,284
FirstEnergy Corp.
Series A
2.85%, 07/15/22 (Call 05/15/22)		70		67,955
Series B
3.90%, 07/15/27 (Call 04/15/27)		160		158,165
4.25%, 03/15/23 (Call 12/15/22)		100		102,932
Florida Power & Light Co.
3.25%, 06/01/24 (Call 12/01/23)		150		150,618
Fortis Inc./Canada
3.06%, 10/04/26 (Call 07/04/26)		365		339,501
Georgia Power Co.
3.25%, 03/30/27 (Call 12/30/26)		175		169,682
4.25%, 12/01/19		100		102,681
Great Plains Energy Inc.
4.85%, 06/01/21 (Call 03/01/21)		50		52,083
Hydro-Quebec
9.40%, 02/01/21		502		590,462
ITC Holdings Corp.
2.70%, 11/15/22 (Call 10/15/22)^a		115		112,091
3.35%, 11/15/27 (Call 08/15/27)^a		250		240,352
Kentucky Utilities Co.
3.25%, 11/01/20 (Call 08/01/20)		50		50,583
LG&E & KU Energy LLC
3.75%, 11/15/20 (Call 08/15/20)		200		203,678
MidAmerican Energy Co.
2.40%, 03/15/19 (Call 02/15/19)		250		249,470
3.50%, 10/15/24 (Call 07/15/24)		150		152,639
Nevada Power Co.
7.13%, 03/15/19		350		366,212


Security	Principal (000s)		Value
NextEra Energy Capital Holdings Inc.
2.30%, 04/01/19	$	225	$	224,068
2.40%, 09/15/19 (Call 08/15/19)		50		49,739
2.70%, 09/15/19 (Call 08/15/19)		75		74,928
3.55%, 05/01/27 (Call 02/01/27)		225		220,329
4.50%, 06/01/21 (Call 03/01/21)		100		103,933
Northern States Power Co./MN
2.15%, 08/15/22 (Call 02/15/22)		205		197,472
2.20%, 08/15/20 (Call 07/15/20)		220		217,206
NSTAR Electric Co.
2.38%, 10/15/22 (Call 07/15/22)		250		241,735
3.20%, 05/15/27 (Call 02/15/27)		170		165,267
Oglethorpe Power Corp.
6.10%, 03/15/19		175		180,714
Ohio Power Co.
Series M 5.38%, 10/01/21		150		162,217
Oncor Electric Delivery Co. LLC
4.10%, 06/01/22 (Call 03/01/22)		25		25,836
7.00%, 09/01/22		225		259,753
Pacific Gas & Electric Co.
3.25%, 06/15/23 (Call 03/15/23)		100		98,755
3.40%, 08/15/24 (Call 05/15/24)		260		256,766
3.50%, 10/01/20 (Call 07/01/20)		225		227,680
3.75%, 02/15/24 (Call 11/15/23)		200		201,690
4.25%, 05/15/21 (Call 02/15/21)		100		103,087
PacifiCorp
2.95%, 02/01/22 (Call 11/01/21)		150		149,990


Security	Principal (000s)		Value
3.85%, 06/15/21 (Call 03/15/21)	$	100	$	102,845
PG&E Corp.
2.40%, 03/01/19 (Call 02/01/19)		175		174,160
Pinnacle West Capital Corp.
2.25%, 11/30/20		250		245,547
Portland General Electric Co.
6.10%, 04/15/19		150		155,573
Potomac Electric Power Co.
3.60%, 03/15/24 (Call 12/15/23)		150		152,666
PPL Capital Funding Inc.
3.10%, 05/15/26 (Call 02/15/26)		350		332,720
3.95%, 03/15/24 (Call 12/15/23)		75		76,563
4.20%, 06/15/22 (Call 03/15/22)		100		103,323
PPL Electric Utilities Corp.
3.00%, 09/15/21 (Call 06/15/21)		150		150,315
Progress Energy Inc.
3.15%, 04/01/22 (Call 01/01/22)		240		238,908
4.40%, 01/15/21 (Call 10/15/20)		175		181,036
7.05%, 03/15/19		150		156,605
PSEG Power LLC
3.00%, 06/15/21 (Call 05/15/21)		250		249,592
Public Service Co. of New Hampshire
3.50%, 11/01/23 (Call 08/01/23)		175		177,394
Public Service Electric & Gas Co.
1.90%, 03/15/21 (Call 02/15/21)		60		58,339
2.25%, 09/15/26 (Call 06/15/26)		250		227,992
2.38%, 05/15/23 (Call 02/15/23)		175		168,672
3.00%, 05/15/27 (Call 02/15/27)		60		57,457


Security	Principal (000s)		Value
Puget Energy Inc.
3.65%, 05/15/25 (Call 02/15/25)	$	175	$	174,524
San Diego Gas & Electric Co.
2.50%, 05/15/26 (Call 02/15/26)		250		232,850
3.00%, 08/15/21		170		170,780
Sierra Pacific Power Co.
2.60%, 05/01/26 (Call 02/01/26)		298		278,922
Southern Co. (The)
1.85%, 07/01/19		455		449,922
2.15%, 09/01/19 (Call 08/01/19)		350		346,979
2.35%, 07/01/21 (Call 06/01/21)		385		374,297
2.75%, 06/15/20 (Call 05/15/20)		395		392,539
2.95%, 07/01/23 (Call 05/01/23)		250		242,767
3.25%, 07/01/26 (Call 04/01/26)		475		452,266
Series B
(3 mo. LIBOR US + 3.630%)
5.50%, 03/15/57 (Call 03/15/22)^b		75		77,634
Southern Power Co.
4.15%, 12/01/25 (Call 09/01/25)		100		102,820
TECO Finance Inc.
5.15%, 03/15/20		225		233,980
TransAlta Corp.
4.50%, 11/15/22 (Call 08/15/22)		175		177,240
Tucson Electric Power Co.
3.05%, 03/15/25 (Call 12/15/24)		100		95,922
UIL Holdings Corp.
4.63%, 10/01/20		120		124,277
Union Electric Co.
3.50%, 04/15/24 (Call 01/15/24)		175		177,557


Security	Principal (000s)		Value
Virginia Electric & Power Co.
2.75%, 03/15/23 (Call 12/15/22)	$	50	$	48,913
2.95%, 01/15/22 (Call 10/15/21)		100		99,392
2.95%, 11/15/26 (Call 08/15/26)		75		71,527
3.10%, 05/15/25 (Call 02/15/25)		250		244,120
3.45%, 02/15/24 (Call 11/15/23)		250		251,595
Series A
3.15%, 01/15/26 (Call 10/15/25)		255		248,531
3.50%, 03/15/27 (Call 12/15/26)		75		74,521
Westar Energy Inc.
3.10%, 04/01/27 (Call 01/01/27)		45		43,629
Wisconsin Electric Power Co.
2.95%, 09/15/21 (Call 06/15/21)		200		200,050
Wisconsin Power & Light Co.
3.05%, 10/15/27 (Call 07/15/27)		170		163,836
Xcel Energy Inc.
2.40%, 03/15/21 (Call 02/15/21)		200		196,662
3.30%, 06/01/25 (Call 12/01/24)		85		83,456
3.35%, 12/01/26 (Call 06/01/26)		275		269,299
4.70%, 05/15/20 (Call 11/15/19)		150		154,662

				27,993,280
ELECTRICAL COMPONENTS & EQUIPMENT — 0.05%
Emerson Electric Co.
2.63%, 02/15/23 (Call 11/15/22)		375		366,037
3.15%, 06/01/25 (Call 03/01/25)		125		123,508


Security	Principal (000s)		Value
Hubbell Inc.
3.35%, 03/01/26 (Call 12/01/25)	$	100	$	97,817
3.50%, 02/15/28 (Call 11/15/27)		165		161,060
Legrand France SA
8.50%, 02/15/25		100		126,248

				874,670
ELECTRONICS — 0.27%
Agilent Technologies Inc.
3.88%, 07/15/23 (Call 04/15/23)		250		254,057
5.00%, 07/15/20		100		104,695
Amphenol Corp.
3.13%, 09/15/21 (Call 08/15/21)		400		400,660
4.00%, 02/01/22 (Call 11/01/21)		50		51,255
Arrow Electronics Inc.
3.25%, 09/08/24 (Call 07/08/24)		145		138,978
3.50%, 04/01/22 (Call 02/01/22)		100		99,501
4.00%, 04/01/25 (Call 01/01/25)		200		198,814
Avnet Inc.
4.63%, 04/15/26 (Call 01/15/26)		25		25,294
4.88%, 12/01/22		175		182,114
5.88%, 06/15/20		150		158,050
Corning Inc.
2.90%, 05/15/22 (Call 03/15/22)		135		133,338
4.25%, 08/15/20		50		51,525
Flex Ltd.
4.63%, 02/15/20		250		257,190
5.00%, 02/15/23		100		105,424
Fortive Corp.
1.80%, 06/15/19		185		182,963
2.35%, 06/15/21 (Call 05/15/21)		200		194,846
3.15%, 06/15/26 (Call 03/15/26)		290		280,497


Security	Principal (000s)		Value
Honeywell International Inc.
1.80%, 10/30/19	$	105	$	103,749
1.85%, 11/01/21 (Call 10/01/21)		325		313,050
2.50%, 11/01/26 (Call 08/01/26)		150		138,639
3.35%, 12/01/23		250		254,335
Jabil Inc.
3.95%, 01/12/28 (Call 10/12/27)		100		95,999
4.70%, 09/15/22		120		124,224
5.63%, 12/15/20		200		212,188
Keysight Technologies Inc.
4.55%, 10/30/24 (Call 07/30/24)		250		259,062
4.60%, 04/06/27 (Call 01/06/27)		100		103,162
Koninklijke Philips NV
3.75%, 03/15/22		200		204,140
PerkinElmer Inc.
5.00%, 11/15/21 (Call 08/15/21)		225		235,674
Tech Data Corp.
4.95%, 02/15/27 (Call 11/16/26)		65		66,600
Tyco Electronics Group SA
3.13%, 08/15/27 (Call 05/15/27)		50		48,255
3.70%, 02/15/26 (Call 11/15/25)		115		116,331

				5,094,609
ENGINEERING & CONSTRUCTION — 0.03%
ABB Finance USA Inc.
2.88%, 05/08/22		250		249,127
Fluor Corp.
3.38%, 09/15/21		300		302,751

				551,878
ENVIRONMENTAL CONTROL — 0.09%
Republic Services Inc.
3.20%, 03/15/25 (Call 12/15/24)		215		209,928
3.55%, 06/01/22 (Call 03/01/22)		200		202,052


Security	Principal (000s)		Value
4.75%, 05/15/23 (Call 02/15/23)	$	150	$	159,187
5.00%, 03/01/20		150		156,257
5.25%, 11/15/21		245		262,319
5.50%, 09/15/19		25		26,047
Waste Management Inc.
2.40%, 05/15/23 (Call 03/15/23)		150		144,056
2.90%, 09/15/22 (Call 06/15/22)		50		49,508
3.15%, 11/15/27 (Call 08/15/27)		150		143,091
3.50%, 05/15/24 (Call 02/15/24)		250		251,427
4.60%, 03/01/21 (Call 12/01/20)		125		130,490

				1,734,362
FOOD — 0.42%
Campbell Soup Co.
3.30%, 03/19/25 (Call 12/19/24)		125		122,864
Conagra Brands Inc.
3.20%, 01/25/23 (Call 10/25/22)		35		34,760
General Mills Inc.
2.20%, 10/21/19		250		247,797
2.60%, 10/12/22 (Call 09/12/22)		250		241,540
3.20%, 02/10/27 (Call 11/10/26)		105		100,127
3.65%, 02/15/24 (Call 11/15/23)		250		255,012
Hershey Co. (The)
2.30%, 08/15/26 (Call 05/15/26)		150		136,380
4.13%, 12/01/20		250		259,340
Ingredion Inc.
3.20%, 10/01/26 (Call 07/01/26)		110		104,727
4.63%, 11/01/20		50		51,916
JM Smucker Co. (The)
2.50%, 03/15/20		75		74,527
3.50%, 03/15/25		525		520,821


Security	Principal (000s)		Value
Kellogg Co.
2.65%, 12/01/23	$	225	$	218,581
3.25%, 04/01/26		165		157,639
3.40%, 11/15/27 (Call 08/15/27)		100		95,557
4.00%, 12/15/20		170		174,622
Kraft Heinz Foods Co.
2.80%, 07/02/20 (Call 06/02/20)		325		323,154
3.00%, 06/01/26 (Call 03/01/26)		290		266,922
3.50%, 06/06/22		450		450,522
3.50%, 07/15/22 (Call 05/15/22)		300		299,745
3.95%, 07/15/25 (Call 04/15/25)		380		376,132
Kroger Co. (The)
2.60%, 02/01/21 (Call 01/01/21)		240		237,122
2.65%, 10/15/26 (Call 07/15/26)^c		250		225,700
2.80%, 08/01/22 (Call 07/01/22)		80		78,230
2.95%, 11/01/21 (Call 10/01/21)		150		149,075
3.30%, 01/15/21 (Call 12/15/20)		275		276,851
3.85%, 08/01/23 (Call 05/01/23)		150		153,126
4.00%, 02/01/24 (Call 11/01/23)		175		178,538
McCormick & Co. Inc./MD
2.70%, 08/15/22 (Call 07/15/22)		115		112,597
3.40%, 08/15/27 (Call 05/15/27)		250		242,612
Sysco Corp.
2.60%, 10/01/20 (Call 09/01/20)		65		64,536
2.60%, 06/12/22		200		195,350
3.25%, 07/15/27 (Call 04/15/27)		325		313,683
3.30%, 07/15/26 (Call 04/15/26)		135		131,383


Security	Principal (000s)		Value
Tyson Foods Inc.
2.65%, 08/15/19 (Call 07/15/19)	$	250	$	249,400
3.55%, 06/02/27 (Call 03/02/27)		275		267,979
3.95%, 08/15/24 (Call 05/15/24)		297		302,058
4.50%, 06/15/22 (Call 03/15/22)		245		255,927

				7,946,852
FOREST PRODUCTS & PAPER — 0.07%
Domtar Corp.
4.40%, 04/01/22 (Call 01/01/22)		100		103,453
Fibria Overseas Finance Ltd.
5.25%, 05/12/24		425		446,131
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)		200		186,644
3.65%, 06/15/24 (Call 03/15/24)		350		353,017
4.75%, 02/15/22 (Call 11/15/21)		150		157,972

				1,247,217
GAS — 0.15%
Atmos Energy Corp.
3.00%, 06/15/27 (Call 03/15/27)		15		14,466
8.50%, 03/15/19		200		211,822
CenterPoint Energy Resources Corp.
4.50%, 01/15/21 (Call 10/15/20)		125		129,126
Dominion Energy Gas Holdings LLC
2.80%, 11/15/20 (Call 10/15/20)		410		407,917
3.60%, 12/15/24 (Call 09/15/24)		150		149,938
National Fuel Gas Co.
3.75%, 03/01/23 (Call 12/01/22)		300		298,197
5.20%, 07/15/25 (Call 04/15/25)		125		131,933


Security	Principal (000s)		Value
NiSource Inc.
3.49%, 05/15/27 (Call 02/15/27)	$	395	$	386,804
ONE Gas Inc.
3.61%, 02/01/24 (Call 11/01/23)		25		25,281
Sempra Energy
2.40%, 02/01/20		45		44,606
2.40%, 03/15/20 (Call 02/15/20)		45		44,534
2.88%, 10/01/22 (Call 07/01/22)		100		98,369
2.90%, 02/01/23 (Call 01/01/23)		125		122,768
3.25%, 06/15/27 (Call 03/15/27)		250		239,215
3.40%, 02/01/28 (Call 10/01/27)		100		95,456
3.55%, 06/15/24 (Call 03/15/24)		50		49,941
3.75%, 11/15/25 (Call 08/15/25)		150		150,004
4.05%, 12/01/23 (Call 09/01/23)		100		102,978
Southern California Gas Co.
2.60%, 06/15/26 (Call 03/15/26)		38		35,540
Southern Co. Gas Capital Corp.
2.45%, 10/01/23 (Call 08/01/23)		150		141,765
3.50%, 09/15/21 (Call 06/15/21)		35		35,222

				2,915,882
HAND & MACHINE TOOLS — 0.02%
Kennametal Inc.
2.65%, 11/01/19 (Call 10/01/19)		125		124,245
Stanley Black & Decker Inc.
2.90%, 11/01/22		50		49,464
3.40%, 12/01/21 (Call 09/01/21)		155		157,048

				330,757


Security	Principal (000s)		Value
HEALTH CARE — PRODUCTS — 0.67%
Abbott Laboratories
2.00%, 03/15/20	$	100	$	98,373
2.35%, 11/22/19		170		168,958
2.55%, 03/15/22		250		243,843
2.80%, 09/15/20 (Call 08/15/20)		345		344,206
2.90%, 11/30/21 (Call 10/30/21)		50		49,588
2.95%, 03/15/25 (Call 12/15/24)		200		191,100
3.25%, 04/15/23 (Call 01/15/23)		90		89,444
3.40%, 11/30/23 (Call 09/30/23)		450		448,609
3.75%, 11/30/26 (Call 08/30/26)		650		643,799
3.88%, 09/15/25 (Call 06/15/25)		45		45,534
5.13%, 04/01/19		488		501,176
Baxter International Inc.
2.60%, 08/15/26 (Call 05/15/26)		230		210,710
Becton Dickinson and Co.
2.13%, 06/06/19		25		24,786
2.68%, 12/15/19		250		248,893
2.89%, 06/06/22 (Call 05/06/22)		200		194,834
3.13%, 11/08/21		350		345,754
3.25%, 11/12/20		350		349,986
3.36%, 06/06/24 (Call 04/06/24)		215		207,763
3.70%, 06/06/27 (Call 03/06/27)		275		263,607
3.73%, 12/15/24 (Call 09/15/24)		358		352,877
Boston Scientific Corp.
3.85%, 05/15/25		175		175,928
4.00%, 03/01/28 (Call 12/01/27)		250		249,278
6.00%, 01/15/20		300		316,734
Covidien International Finance SA
3.20%, 06/15/22 (Call 03/15/22)		300		300,738


Security	Principal (000s)		Value
Life Technologies Corp.
6.00%, 03/01/20	$	365	$	386,418
Medtronic Global Holdings SCA
1.70%, 03/28/19		115		113,928
3.35%, 04/01/27 (Call 01/01/27)		185		182,632
Medtronic Inc.
2.50%, 03/15/20		700		696,115
3.13%, 03/15/22 (Call 12/15/21)		300		300,420
3.15%, 03/15/22		725		726,196
3.50%, 03/15/25		275		274,717
3.63%, 03/15/24 (Call 12/15/23)		250		253,952
4.13%, 03/15/21 (Call 12/15/20)		400		412,788
Stryker Corp.
2.63%, 03/15/21 (Call 02/15/21)		530		523,868
3.38%, 05/15/24 (Call 02/15/24)		100		99,876
3.38%, 11/01/25 (Call 08/01/25)		80		78,996
3.50%, 03/15/26 (Call 12/15/25)		35		34,903
Thermo Fisher Scientific Inc.
2.95%, 09/19/26 (Call 06/19/26)		195		182,300
3.00%, 04/15/23 (Call 02/15/23)		120		117,752
3.15%, 01/15/23 (Call 10/15/22)		275		272,778
3.20%, 08/15/27 (Call 05/15/27)		200		190,016
3.60%, 08/15/21 (Call 05/15/21)		300		304,671
3.65%, 12/15/25 (Call 09/15/25)		120		119,484
4.15%, 02/01/24 (Call 11/01/23)		250		257,670
4.50%, 03/01/21		50		52,125
Zimmer Biomet Holdings Inc.
2.70%, 04/01/20 (Call 03/01/20)		350		347,462


Security	Principal (000s)		Value
3.15%, 04/01/22 (Call 02/01/22)	$	225	$	221,607
3.38%, 11/30/21 (Call 08/30/21)		100		99,744
3.55%, 04/01/25 (Call 01/01/25)		400		388,528

				12,705,464
HEALTH CARE — SERVICES — 0.48%
Aetna Inc.
2.20%, 03/15/19 (Call 02/15/19)		210		208,683
2.75%, 11/15/22 (Call 08/15/22)		155		150,432
2.80%, 06/15/23 (Call 04/15/23)		210		201,432
3.50%, 11/15/24 (Call 08/15/24)		215		211,010
4.13%, 06/01/21 (Call 03/01/21)		125		128,313
Anthem Inc.
2.25%, 08/15/19		200		198,484
2.50%, 11/21/20		25		24,680
2.95%, 12/01/22 (Call 11/01/22)		250		245,010
3.13%, 05/15/22		50		49,649
3.30%, 01/15/23		350		347,718
3.35%, 12/01/24 (Call 10/01/24)		95		92,727
3.50%, 08/15/24 (Call 05/15/24)		150		148,476
3.70%, 08/15/21 (Call 05/15/21)		225		228,663
4.10%, 03/01/28		185		185,305
4.35%, 08/15/20		100		103,352
Catholic Health Initiatives
2.95%, 11/01/22		215		208,943
Cigna Corp.
3.05%, 10/15/27 (Call 07/15/27)		315		291,413
3.25%, 04/15/25 (Call 01/15/25)		100		96,202
4.00%, 02/15/22 (Call 11/15/21)		100		102,826


Security	Principal (000s)		Value
4.50%, 03/15/21 (Call 12/15/20)	$	165	$	171,268
5.13%, 06/15/20		50		52,392
Coventry Health Care Inc.
5.45%, 06/15/21 (Call 03/15/21)		200		212,626
Dignity Health
2.64%, 11/01/19		100		99,714
Howard Hughes Medical Institute
3.50%, 09/01/23		275		280,791
Humana Inc.
2.50%, 12/15/20		65		64,114
2.63%, 10/01/19		45		44,967
2.90%, 12/15/22 (Call 11/15/22)		30		29,342
3.15%, 12/01/22 (Call 09/01/22)		143		141,742
3.85%, 10/01/24 (Call 07/01/24)		175		176,442
3.95%, 03/15/27 (Call 12/15/26)		185		183,884
Laboratory Corp. of America Holdings
3.20%, 02/01/22		125		124,770
3.60%, 02/01/25 (Call 11/01/24)		365		359,445
3.60%, 09/01/27 (Call 06/01/27)		25		24,217
3.75%, 08/23/22 (Call 05/23/22)		300		305,001
Quest Diagnostics Inc.
2.70%, 04/01/19		250		250,043
3.50%, 03/30/25 (Call 12/30/24)		200		197,222
4.70%, 04/01/21		150		157,062
UnitedHealth Group Inc.
1.63%, 03/15/19		370		366,614
2.13%, 03/15/21		150		146,742
2.38%, 10/15/22		25		24,159
2.70%, 07/15/20		110		109,858
2.88%, 12/15/21		385		383,418
2.88%, 03/15/22 (Call 12/15/21)		200		198,754
2.88%, 03/15/23		300		295,161


Security	Principal (000s)		Value
3.10%, 03/15/26	$	330	$	319,681
3.35%, 07/15/22		125		126,171
3.38%, 04/15/27		300		295,344
3.45%, 01/15/27		195		193,079
3.75%, 07/15/25		370		375,173
4.70%, 02/15/21 (Call 11/15/20)		200		209,560

				9,142,074
HOLDING COMPANIES — DIVERSIFIED — 0.04%
Ares Capital Corp.
3.63%, 01/19/22 (Call 12/19/21)		100		98,544
3.88%, 01/15/20 (Call 12/15/19)		250		252,392
4.25%, 03/01/25 (Call 01/01/25)		50		48,984
FS Investment Corp.
4.00%, 07/15/19		150		150,650
Leucadia National Corp.
5.50%, 10/18/23 (Call 01/18/23)		200		209,956
Prospect Capital Corp.
5.00%, 07/15/19		50		50,751

				811,277
HOME BUILDERS — 0.03%
DR Horton Inc.
3.75%, 03/01/19 (Call 12/01/18)		50		50,360
4.00%, 02/15/20		288		294,189
5.75%, 08/15/23 (Call 05/15/23)		100		110,382
NVR Inc.
3.95%, 09/15/22 (Call 06/15/22)		100		102,376

				557,307
HOME FURNISHINGS — 0.02%
Leggett & Platt Inc.
3.50%, 11/15/27 (Call 08/15/27)		50		48,121
3.80%, 11/15/24 (Call 08/15/24)		100		99,525


Security	Principal (000s)		Value
Whirlpool Corp.
4.85%, 06/15/21	$	295	$	310,331

				457,977
HOUSEHOLD PRODUCTS & WARES — 0.07%
Church & Dwight Co. Inc.
2.45%, 12/15/19 (Call 11/15/19)		250		248,785
3.15%, 08/01/27 (Call 05/01/27)		60		56,568
Clorox Co. (The)
3.50%, 12/15/24 (Call 09/15/24)		100		100,563
3.80%, 11/15/21		300		307,848
Kimberly-Clark Corp.
1.90%, 05/22/19		340		337,304
2.75%, 02/15/26		80		76,161
3.05%, 08/15/25		150		146,796

				1,274,025
HOUSEWARES — 0.08%
Newell Brands Inc.
2.88%, 12/01/19 (Call 11/01/19)		255		254,970
3.15%, 04/01/21 (Call 03/01/21)		300		296,919
3.85%, 04/01/23 (Call 02/01/23)		215		214,202
3.90%, 11/01/25 (Call 08/01/25)		65		63,112
4.20%, 04/01/26 (Call 01/01/26)		450		445,383
Tupperware Brands Corp.
4.75%, 06/01/21 (Call 03/01/21)		175		180,744

				1,455,330
INSURANCE — 0.87%
Aflac Inc.
3.63%, 11/15/24		465		468,855
4.00%, 02/15/22		200		206,314
Alleghany Corp.
4.95%, 06/27/22		350		370,723


Security	Principal (000s)		Value
Allied World Assurance Co. Holdings Ltd.
4.35%, 10/29/25 (Call 07/29/25)	$	275	$	271,964
Allstate Corp. (The)
3.28%, 12/15/26 (Call 09/15/26)		115		112,700
7.45%, 05/16/19		100		105,420
Alterra Finance LLC
6.25%, 09/30/20		100		107,565
American Financial Group Inc./OH
3.50%, 08/15/26 (Call 05/15/26)		100		96,533
American International Group Inc.
2.30%, 07/16/19 (Call 06/16/19)		225		223,556
3.30%, 03/01/21 (Call 02/01/21)		275		275,536
3.75%, 07/10/25 (Call 04/10/25)		300		298,881
3.90%, 04/01/26 (Call 01/01/26)		310		309,250
4.13%, 02/15/24		225		230,519
4.88%, 06/01/22		250		264,630
6.40%, 12/15/20		175		190,029
Aon Corp.
5.00%, 09/30/20		200		209,680
Aon PLC
3.50%, 06/14/24 (Call 03/14/24)		125		124,521
3.88%, 12/15/25 (Call 09/15/25)		400		404,840
Arch Capital Finance LLC
4.01%, 12/15/26 (Call 09/15/26)		135		136,216
Athene Holding Ltd.
4.13%, 01/12/28 (Call 10/12/27)		50		48,236
AXIS Specialty Finance PLC
4.00%, 12/06/27 (Call 09/06/27)		225		219,575
Berkshire Hathaway Finance Corp.
1.30%, 08/15/19		395		388,719
4.25%, 01/15/21		595		618,586


Security	Principal (000s)		Value
Berkshire Hathaway Inc.
2.10%, 08/14/19	$	300	$	298,677
2.20%, 03/15/21 (Call 02/15/21)		30		29,508
2.75%, 03/15/23 (Call 01/15/23)		500		492,235
3.13%, 03/15/26 (Call 12/15/25)		500		487,060
3.40%, 01/31/22		100		101,890
Brighthouse Financial Inc.
3.70%, 06/22/27 (Call 03/22/27)^a		265		248,080
Chubb INA Holdings Inc.
2.30%, 11/03/20 (Call 10/03/20)		70		69,088
2.70%, 03/13/23		600		586,560
2.88%, 11/03/22 (Call 09/03/22)		85		84,232
3.35%, 05/03/26 (Call 02/03/26)		45		44,401
5.90%, 06/15/19		250		260,005
CNA Financial Corp.
3.45%, 08/15/27 (Call 05/10/27)		35		33,358
3.95%, 05/15/24 (Call 02/15/24)		125		126,716
4.50%, 03/01/26 (Call 12/01/25)		270		278,788
5.88%, 08/15/20		75		79,954
Fidelity National Financial Inc.
5.50%, 09/01/22		300		324,288
First American Financial Corp.
4.60%, 11/15/24		100		101,539
Hartford Financial Services Group Inc. (The)
5.13%, 04/15/22		500		534,200
Lincoln National Corp.
3.35%, 03/09/25		75		73,399
3.63%, 12/12/26 (Call 09/15/26)		295		291,917
4.85%, 06/24/21		100		105,581
Loews Corp.
3.75%, 04/01/26 (Call 01/01/26)		270		272,163


Security	Principal (000s)		Value
Manulife Financial Corp.
4.15%, 03/04/26	$	405	$	414,226
4.90%, 09/17/20		90		94,129
Markel Corp.
3.50%, 11/01/27 (Call 08/01/27)		40		38,447
Marsh & McLennan Companies Inc.
2.35%, 03/06/20 (Call 02/06/20)		290		287,068
2.75%, 01/30/22 (Call 12/30/21)		85		83,589
3.30%, 03/14/23 (Call 01/14/23)		45		44,913
3.50%, 06/03/24 (Call 03/03/24)		250		250,840
MetLife Inc.
3.00%, 03/01/25		150		145,212
3.05%, 12/15/22		125		123,819
3.60%, 04/10/24		265		265,877
3.60%, 11/13/25 (Call 08/13/25)		55		55,089
4.75%, 02/08/21		275		288,170
Series D 4.37%, 09/15/23		200		209,932
Old Republic International Corp.
4.88%, 10/01/24 (Call 09/01/24)		175		183,593
Primerica Inc.
4.75%, 07/15/22		100		104,929
Principal Financial Group Inc.
3.10%, 11/15/26 (Call 08/15/26)		90		85,744
3.40%, 05/15/25 (Call 02/15/25)		100		98,232
Progressive Corp. (The)
2.45%, 01/15/27		200		184,502
3.75%, 08/23/21		100		102,561
Prudential Financial Inc.
2.35%, 08/15/19		300		298,323
3.50%, 05/15/24		300		301,056
4.50%, 11/16/21		250		261,730
(3 mo. LIBOR US + 3.040%)
5.20%, 03/15/44 (Call 03/15/24)^b		50		52,217


Security	Principal (000s)		Value
(3 mo. LIBOR US + 3.920%)
5.63%, 06/15/43 (Call 06/15/23)^b	$	20	$	21,212
(3 mo. LIBOR US + 4.175%)
5.88%, 09/15/42 (Call 09/15/22)^b		350		375,088
Reinsurance Group of America Inc.
5.00%, 06/01/21		200		210,028
Unum Group
4.00%, 03/15/24		200		203,332
5.63%, 09/15/20		125		132,719
Voya Financial Inc.
3.65%, 06/15/26		150		147,107
Willis Towers Watson PLC
5.75%, 03/15/21		100		106,968
WR Berkley Corp.
4.63%, 03/15/22		300		313,191
XLIT Ltd.
4.45%, 03/31/25		150		151,452
5.75%, 10/01/21		250		269,897

				16,511,679
INTERNET — 0.42%
Alibaba Group Holding Ltd.
2.50%, 11/28/19 (Call 10/28/19)		400		398,044
3.13%, 11/28/21 (Call 09/28/21)		500		499,940
3.40%, 12/06/27 (Call 09/06/27)		370		352,536
3.60%, 11/28/24 (Call 08/28/24)^c		200		199,514
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)		250		227,008
3.38%, 02/25/24		375		382,140
3.63%, 05/19/21		170		175,277
Amazon.com Inc.
1.90%, 08/21/20^a		175		171,330
2.40%, 02/22/23 (Call 01/22/23)^a		100		96,527
2.50%, 11/29/22 (Call 08/29/22)		200		195,276
2.60%, 12/05/19 (Call 11/05/19)		643		643,141


Security	Principal (000s)		Value
2.80%, 08/22/24 (Call 06/22/24)^a	$	265	$	256,520
3.15%, 08/22/27 (Call 05/22/27)^a		455		438,843
3.30%, 12/05/21 (Call 10/05/21)		525		532,124
3.80%, 12/05/24 (Call 09/05/24)		40		41,069
5.20%, 12/03/25 (Call 09/03/25)		250		278,752
Baidu Inc.
3.50%, 11/28/22		300		299,193
4.13%, 06/30/25		400		403,268
Booking Holdings Inc.
2.75%, 03/15/23 (Call 02/15/23)		175		169,531
3.60%, 06/01/26 (Call 03/01/26)		325		317,622
eBay Inc.
2.20%, 08/01/19 (Call 07/01/19)		150		149,028
2.60%, 07/15/22 (Call 04/15/22)		350		339,178
2.75%, 01/30/23 (Call 12/30/22)		325		314,421
2.88%, 08/01/21 (Call 06/01/21)		50		49,569
3.25%, 10/15/20 (Call 07/15/20)		145		146,179
3.45%, 08/01/24 (Call 05/01/24)		250		247,068
3.60%, 06/05/27 (Call 03/05/27)		50		48,449
3.80%, 03/09/22 (Call 02/09/22)		75		76,384
Expedia Inc.
5.00%, 02/15/26 (Call 11/15/25)		85		87,164
5.95%, 08/15/20		425		452,332

				7,987,427
IRON & STEEL — 0.08%
Nucor Corp.
4.00%, 08/01/23 (Call 05/01/23)		250		258,445


Security	Principal (000s)		Value
4.13%, 09/15/22 (Call 06/15/22)	$	100	$	103,762
Reliance Steel & Aluminum Co.
4.50%, 04/15/23 (Call 01/15/23)		100		103,899
Vale Overseas Ltd.
4.38%, 01/11/22		675		691,429
5.88%, 06/10/21		50		53,504
6.25%, 08/10/26		355		400,688

				1,611,727
LEISURE TIME — 0.03%
Carnival Corp.
3.95%, 10/15/20		150		154,228
Harley-Davidson Inc.
3.50%, 07/28/25 (Call 04/28/25)		150		148,325
Royal Caribbean Cruises Ltd.
2.65%, 11/28/20		80		79,252
5.25%, 11/15/22		150		161,184

				542,989
LODGING — 0.07%
Hyatt Hotels Corp.
3.38%, 07/15/23 (Call 04/15/23)		85		84,568
Marriott International Inc./MD
2.30%, 01/15/22 (Call 12/15/21)		40		38,614
2.88%, 03/01/21 (Call 02/01/21)		100		99,528
3.00%, 03/01/19 (Call 12/01/18)		70		70,217
3.25%, 09/15/22 (Call 06/15/22)		100		99,707
3.38%, 10/15/20 (Call 07/15/20)		105		105,840
3.75%, 03/15/25 (Call 12/15/24)		65		65,093
Series R
3.13%, 06/15/26 (Call 03/15/26)		250		237,252
Wyndham Worldwide Corp.
3.90%, 03/01/23 (Call 12/01/22)		150		146,195


Security	Principal (000s)		Value
4.25%, 03/01/22 (Call 12/01/21)	$	200	$	200,748
5.10%, 10/01/25 (Call 07/01/25)		125		129,575

				1,277,337
MACHINERY — 0.35%
Caterpillar Financial Services Corp.
1.70%, 08/09/21		120		115,097
1.85%, 09/04/20		40		39,055
1.90%, 03/22/19		25		24,866
1.93%, 10/01/21		15		14,491
2.00%, 03/05/20		350		345,257
2.10%, 06/09/19		520		517,400
2.25%, 12/01/19		100		99,340
2.40%, 06/06/22		90		87,671
2.55%, 11/29/22		250		243,860
3.30%, 06/09/24		150		150,288
Caterpillar Inc.
2.60%, 06/26/22 (Call 03/26/22)		325		318,965
3.40%, 05/15/24 (Call 02/15/24)		20		20,255
3.90%, 05/27/21		465		479,513
CNH Industrial Capital LLC
3.38%, 07/15/19		10		10,020
4.38%, 04/05/22		250		255,502
CNH Industrial NV
3.85%, 11/15/27 (Call 08/15/27)		65		63,043
Deere & Co.
2.60%, 06/08/22 (Call 03/08/22)		175		171,839
4.38%, 10/16/19		300		308,733
John Deere Capital Corp.
1.95%, 03/04/19		85		84,620
1.95%, 06/22/20		50		49,121
2.05%, 03/10/20		300		296,796
2.15%, 09/08/22		50		47,988
2.35%, 01/08/21		160		157,933
2.38%, 07/14/20		265		262,406
2.55%, 01/08/21		150		148,848
2.65%, 01/06/22		190		187,566
2.65%, 06/24/24		135		130,005


Security	Principal (000s)		Value
2.70%, 01/06/23	$	60	$	58,745
2.80%, 03/04/21		225		224,491
2.80%, 03/06/23		265		259,795
2.80%, 09/08/27		100		94,695
3.05%, 01/06/28		100		96,285
3.15%, 10/15/21		175		176,505
3.35%, 06/12/24		200		200,552
Series 0014
2.45%, 09/11/20		195		193,419
Rockwell Automation Inc.
2.88%, 03/01/25 (Call 12/01/24)		125		119,995
Roper Technologies Inc.
3.00%, 12/15/20 (Call 11/15/20)		200		200,234
3.13%, 11/15/22 (Call 08/15/22)		250		247,545
Wabtec Corp./DE
3.45%, 11/15/26 (Call 08/15/26)		200		190,162

				6,692,901
MANUFACTURING — 0.37%
3M Co.
1.63%, 06/15/19		200		198,064
1.63%, 09/19/21 (Call 08/19/21)		250		240,087
2.00%, 06/26/22		35		33,778
2.25%, 03/15/23 (Call 02/15/23)		100		96,582
3.00%, 08/07/25		250		245,600
Carlisle Companies Inc.
3.75%, 11/15/22 (Call 08/15/22)		75		75,977
Dover Corp.
3.15%, 11/15/25 (Call 08/15/25)		100		97,542
Eaton Corp.
2.75%, 11/02/22		610		597,031
3.10%, 09/15/27 (Call 06/15/27)		100		95,073
General Electric Co.
2.20%, 01/09/20 (Call 12/09/19)		25		24,667


Security	Principal (000s)		Value
2.70%, 10/09/22	$	325	$	314,213
3.10%, 01/09/23		300		294,762
3.15%, 09/07/22		193		190,846
3.38%, 03/11/24		165		162,195
3.45%, 05/15/24 (Call 02/13/24)		145		142,838
4.38%, 09/16/20		200		206,248
4.63%, 01/07/21		215		223,164
4.65%, 10/17/21		600		628,002
5.30%, 02/11/21		250		263,900
5.50%, 01/08/20		100		104,497
6.00%, 08/07/19		600		627,030
Illinois Tool Works Inc.
1.95%, 03/01/19		125		124,419
2.65%, 11/15/26 (Call 08/15/26)		310		291,115
3.38%, 09/15/21 (Call 06/15/21)		275		278,974
6.25%, 04/01/19		105		109,075
Ingersoll-Rand Global Holding Co. Ltd.
2.90%, 02/21/21		250		249,135
4.25%, 06/15/23		325		338,357
Ingersoll-Rand Luxembourg Finance SA
2.63%, 05/01/20 (Call 04/01/20)		80		79,278
Parker-Hannifin Corp.
3.25%, 03/01/27 (Call 12/01/26)		100		97,417
3.30%, 11/21/24 (Call 08/21/24)		250		248,540
3.50%, 09/15/22		25		25,306
Textron Inc.
3.65%, 03/15/27 (Call 12/15/26)		210		206,462
Trinity Industries Inc.
4.55%, 10/01/24 (Call 07/01/24)		100		99,932

				7,010,106
MEDIA — 0.90%
21st Century Fox America Inc.
3.00%, 09/15/22		225		222,779
3.38%, 11/15/26 (Call 08/15/26)		85		83,641


Security	Principal (000s)		Value
3.70%, 09/15/24 (Call 06/15/24)	$	20	$	20,341
3.70%, 10/15/25 (Call 07/15/25)		205		206,775
4.00%, 10/01/23		150		154,680
4.50%, 02/15/21		150		156,403
6.90%, 03/01/19		300		312,504
CBS Corp.
2.30%, 08/15/19 (Call 07/15/19)		115		114,243
2.50%, 02/15/23 (Call 01/15/23)		265		252,513
3.38%, 03/01/22 (Call 12/01/21)		425		425,574
3.50%, 01/15/25 (Call 10/15/24)		135		132,214
3.70%, 08/15/24 (Call 05/15/24)		300		299,121
4.00%, 01/15/26 (Call 10/15/25)		75		74,727
Charter Communications Operating LLC/Charter Communications Operating Capital
3.58%, 07/23/20 (Call 06/23/20)		600		604,446
4.46%, 07/23/22 (Call 05/23/22)		640		654,790
4.91%, 07/23/25 (Call 04/23/25)		845		868,373
Comcast Cable Communications Holdings Inc.
9.46%, 11/15/22		315		400,047
Comcast Corp.
1.63%, 01/15/22 (Call 12/15/21)		155		147,159
2.35%, 01/15/27 (Call 10/15/26)		265		237,875
2.75%, 03/01/23 (Call 02/01/23)		235		229,665
2.85%, 01/15/23		50		49,212
3.00%, 02/01/24 (Call 01/01/24)		295		288,519
3.13%, 07/15/22		400		399,728


Security	Principal (000s)		Value
3.15%, 03/01/26 (Call 12/01/25)	$	370	$	356,906
3.30%, 02/01/27 (Call 11/01/26)		115		111,131
3.38%, 02/15/25 (Call 11/15/24)		200		197,164
3.38%, 08/15/25 (Call 05/15/25)		25		24,597
3.55%, 05/01/28 (Call 02/01/28)		500		490,295
3.60%, 03/01/24		270		272,541
5.15%, 03/01/20		145		151,818
Discovery Communications LLC
2.95%, 03/20/23 (Call 02/20/23)		75		72,497
3.25%, 04/01/23		100		97,824
3.30%, 05/15/22		100		99,308
3.45%, 03/15/25 (Call 12/15/24)		100		96,267
4.38%, 06/15/21		250		258,417
4.90%, 03/11/26 (Call 12/11/25)		125		129,791
Grupo Televisa SAB
6.63%, 03/18/25		100		113,752
NBCUniversal Media LLC
2.88%, 01/15/23		300		295,683
5.15%, 04/30/20		800		839,544
Scripps Networks Interactive Inc.
2.80%, 06/15/20 (Call 05/15/20)		200		198,328
3.90%, 11/15/24 (Call 08/15/24)		350		347,378
Thomson Reuters Corp.
3.85%, 09/29/24 (Call 06/29/24)		450		450,373
Time Warner Cable LLC
4.00%, 09/01/21 (Call 06/01/21)		210		212,570
4.13%, 02/15/21 (Call 11/15/20)		400		406,684
5.00%, 02/01/20		150		155,164
8.25%, 04/01/19		625		659,981
Time Warner Inc.
2.10%, 06/01/19		200		198,614


Security	Principal (000s)		Value
2.95%, 07/15/26 (Call 04/15/26)	$	200	$	183,750
3.40%, 06/15/22		50		50,003
3.55%, 06/01/24 (Call 03/01/24)		300		297,105
3.60%, 07/15/25 (Call 04/15/25)		225		218,968
3.80%, 02/15/27 (Call 11/15/26)		305		296,250
4.00%, 01/15/22		150		153,900
4.05%, 12/15/23		150		153,722
4.70%, 01/15/21		145		151,283
4.88%, 03/15/20		315		326,772
Viacom Inc.
3.88%, 12/15/21		100		101,782
3.88%, 04/01/24 (Call 01/01/24)		100		99,762
4.25%, 09/01/23 (Call 06/01/23)		300		307,629
Walt Disney Co. (The)
1.80%, 06/05/20		75		73,770
1.85%, 05/30/19		200		198,650
1.85%, 07/30/26		265		235,585
2.15%, 09/17/20		313		308,984
2.35%, 12/01/22		100		96,999
2.55%, 02/15/22		350		344,806
2.75%, 08/16/21		400		398,744
2.95%, 06/15/27^c		275		264,913
3.00%, 02/13/26		35		34,203
3.15%, 09/17/25		190		188,087
3.75%, 06/01/21		125		128,684

				17,186,307
METAL FABRICATE & HARDWARE — 0.02%
Precision Castparts Corp.
3.25%, 06/15/25 (Call 03/15/25)		450		447,359

				447,359
MINING — 0.11%
Barrick North America Finance LLC
4.40%, 05/30/21		185		193,257
BHP Billiton Finance USA Ltd.
2.88%, 02/24/22		550		547,932
6.50%, 04/01/19		50		52,154


Security	Principal (000s)		Value
Goldcorp Inc.
3.70%, 03/15/23 (Call 12/15/22)	$	365	$	367,143
Newmont Mining Corp.
3.50%, 03/15/22 (Call 12/15/21)		100		100,276
5.13%, 10/01/19		50		51,626
Rio Tinto Finance USA Ltd.
3.75%, 06/15/25 (Call 03/15/25)		445		453,562
Rio Tinto Finance USA PLC
2.88%, 08/21/22 (Call 05/21/22)		31		30,669
Southern Copper Corp.
3.50%, 11/08/22		220		220,352
3.88%, 04/23/25		30		30,160
Yamana Gold Inc.
4.63%, 12/15/27 (Call 09/15/27)^a		100		98,061

				2,145,192
OFFICE & BUSINESS EQUIPMENT — 0.04%
Pitney Bowes Inc.
3.63%, 10/01/21 (Call 09/01/21)		100		95,566
4.13%, 05/15/22 (Call 04/15/22)		50		47,186
4.63%, 03/15/24 (Call 12/15/23)^c		100		93,128
4.70%, 04/01/23 (Call 03/01/23)		75		70,040
Xerox Corp.
2.75%, 09/01/20		166		163,670
3.63%, 03/15/23 (Call 02/15/23)		100		97,648
3.80%, 05/15/24^c		100		98,580
4.50%, 05/15/21		175		179,366

				845,184
OIL & GAS — 2.02%
Anadarko Petroleum Corp.
3.45%, 07/15/24 (Call 04/15/24)		250		244,140
4.85%, 03/15/21 (Call 02/15/21)		330		344,058


Security	Principal (000s)		Value
5.55%, 03/15/26 (Call 12/15/25)^c	$	75	$	81,764
8.70%, 03/15/19		175		184,986
Andeavor
4.75%, 12/15/23 (Call 10/15/23)		100		104,081
5.13%, 12/15/26 (Call 09/15/26)		50		52,753
Apache Corp.
2.63%, 01/15/23 (Call 10/15/22)		150		143,862
3.25%, 04/15/22 (Call 01/15/22)		375		371,865
BP Capital Markets PLC
2.11%, 09/16/21 (Call 08/16/21)		425		411,846
2.24%, 05/10/19		650		647,497
2.32%, 02/13/20		40		39,662
2.52%, 01/15/20		350		348,537
2.52%, 09/19/22 (Call 08/19/22)		255		248,518
2.75%, 05/10/23		200		195,594
3.02%, 01/16/27 (Call 10/16/26)		350		333,728
3.06%, 03/17/22		25		25,003
3.12%, 05/04/26 (Call 02/04/26)		505		486,865
3.22%, 11/28/23 (Call 09/28/23)		525		521,713
3.22%, 04/14/24 (Call 02/14/24)		300		297,477
3.54%, 11/04/24		323		324,722
3.56%, 11/01/21		220		224,151
3.99%, 09/26/23		250		259,000
4.75%, 03/10/19		350		357,976
Canadian Natural Resources Ltd.
2.95%, 01/15/23 (Call 12/15/22)		50		48,763
3.80%, 04/15/24 (Call 01/15/24)		150		150,093
3.85%, 06/01/27 (Call 03/01/27)		265		260,233
3.90%, 02/01/25 (Call 11/01/24)		175		174,484


Security	Principal (000s)		Value
Cenovus Energy Inc.
3.00%, 08/15/22 (Call 05/15/22)	$	350	$	340,287
4.25%, 04/15/27 (Call 01/15/27)^c		265		258,738
Chevron Corp.
1.56%, 05/16/19		650		643,246
1.96%, 03/03/20 (Call 02/03/20)		300		296,013
2.10%, 05/16/21 (Call 04/15/21)		200		195,598
2.36%, 12/05/22 (Call 09/05/22)		800		775,528
2.41%, 03/03/22 (Call 01/03/22)		195		190,917
2.42%, 11/17/20 (Call 10/17/20)		425		421,137
2.95%, 05/16/26 (Call 02/16/26)		575		551,908
3.19%, 06/24/23 (Call 03/24/23)		600		600,906
3.33%, 11/17/25 (Call 08/17/25)		100		99,448
CNOOC Finance 2013 Ltd.
3.00%, 05/09/23		950		919,809
CNOOC Nexen Finance 2014 ULC
4.25%, 04/30/24		750		766,770
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)		100		97,160
4.38%, 01/15/25 (Call 01/15/20)		100		101,888
ConocoPhillips Co.
2.40%, 12/15/22 (Call 09/15/22)		450		435,024
3.35%, 11/15/24 (Call 08/15/24)		489		486,027
4.95%, 03/15/26 (Call 12/15/25)		80		87,111
Devon Energy Corp.
3.25%, 05/15/22 (Call 02/15/22)		442		438,663
5.85%, 12/15/25 (Call 09/15/25)		5		5,678


Security	Principal (000s)		Value
Ecopetrol SA
4.13%, 01/16/25	$	550	$	539,451
5.38%, 06/26/26 (Call 03/26/26)		605		638,003
5.88%, 09/18/23		225		244,004
7.63%, 07/23/19		230		243,324
Encana Corp.
6.50%, 05/15/19		100		104,204
EOG Resources Inc.
2.45%, 04/01/20 (Call 03/01/20)		75		74,357
4.10%, 02/01/21		650		667,940
4.15%, 01/15/26 (Call 10/15/25)		280		288,893
EQT Corp.
2.50%, 10/01/20 (Call 09/01/20)		15		14,739
3.00%, 10/01/22 (Call 09/01/22)		115		112,072
3.90%, 10/01/27 (Call 07/01/27)		215		205,151
4.88%, 11/15/21		400		418,688
Exxon Mobil Corp.
1.71%, 03/01/19		50		49,657
1.82%, 03/15/19 (Call 02/15/19)		400		398,024
1.91%, 03/06/20 (Call 02/06/20)		235		232,321
2.22%, 03/01/21 (Call 02/01/21)		455		447,957
2.40%, 03/06/22 (Call 01/06/22)		250		244,713
2.71%, 03/06/25 (Call 12/06/24)		465		446,749
2.73%, 03/01/23 (Call 01/01/23)		300		295,671
3.04%, 03/01/26 (Call 12/01/25)		390		380,800
3.18%, 03/15/24 (Call 12/15/23)		314		315,203
Hess Corp.
3.50%, 07/15/24 (Call 04/15/24)		145		140,360


Security	Principal (000s)		Value
4.30%, 04/01/27 (Call 01/01/27)	$	110	$	107,393
HollyFrontier Corp.
5.88%, 04/01/26 (Call 01/01/26)		140		150,996
Husky Energy Inc.
4.00%, 04/15/24 (Call 01/15/24)		100		101,604
6.15%, 06/15/19		100		104,049
7.25%, 12/15/19		315		338,055
Kerr-McGee Corp.
6.95%, 07/01/24		150		173,933
Marathon Oil Corp.
3.85%, 06/01/25 (Call 03/01/25)		350		346,199
4.40%, 07/15/27 (Call 04/15/27)		210		213,308
Marathon Petroleum Corp.
3.40%, 12/15/20 (Call 11/15/20)		230		232,636
3.63%, 09/15/24 (Call 06/15/24)		115		115,077
5.13%, 03/01/21		305		322,647
Noble Energy Inc.
4.15%, 12/15/21 (Call 09/15/21)		650		666,802
Occidental Petroleum Corp.
2.70%, 02/15/23 (Call 11/15/22)		100		98,035
3.00%, 02/15/27 (Call 11/15/26)		15		14,324
3.13%, 02/15/22 (Call 11/15/21)		60		60,112
3.40%, 04/15/26 (Call 01/15/26)		470		463,650
3.50%, 06/15/25 (Call 03/15/25)		205		204,690
Series 1
4.10%, 02/01/21 (Call 11/01/20)		380		393,114
Petroleos Mexicanos
3.50%, 01/30/23		575		553,621
4.25%, 01/15/25		250		241,565


Security	Principal (000s)		Value
4.50%, 01/23/26	$	200	$	193,776
4.63%, 09/21/23		325		326,508
4.88%, 01/24/22		975		1,001,413
4.88%, 01/18/24		375		381,180
5.50%, 01/21/21		550		575,767
6.00%, 03/05/20		637		668,844
6.38%, 02/04/21		325		347,675
6.50%, 03/13/27^a		50		53,411
6.88%, 08/04/26		575		632,356
8.00%, 05/03/19		212		223,980
Phillips 66
4.30%, 04/01/22		400		415,248
Pioneer Natural Resources Co.
3.45%, 01/15/21 (Call 12/15/20)		55		55,549
3.95%, 07/15/22 (Call 04/15/22)		340		346,848
Shell International Finance BV
1.38%, 05/10/19		250		246,585
1.75%, 09/12/21		225		215,595
1.88%, 05/10/21		200		193,706
2.13%, 05/11/20		550		543,169
2.25%, 11/10/20		490		482,895
2.25%, 01/06/23		95		91,220
2.38%, 08/21/22		400		388,604
2.50%, 09/12/26		287		266,953
2.88%, 05/10/26		330		316,503
3.25%, 05/11/25		350		346,055
3.40%, 08/12/23		100		100,996
4.30%, 09/22/19		526		539,687
4.38%, 03/25/20		100		103,327
Statoil ASA
2.45%, 01/17/23		820		795,129
2.65%, 01/15/24		15		14,526
2.75%, 11/10/21		10		9,924
Total Capital Canada Ltd.
2.75%, 07/15/23		100		97,917
Total Capital International SA
2.10%, 06/19/19		120		119,239
2.70%, 01/25/23		150		147,080
2.88%, 02/17/22		375		372,127
3.70%, 01/15/24		425		434,494
3.75%, 04/10/24		364		372,609


Security	Principal (000s)		Value
Total Capital SA
4.13%, 01/28/21	$	225	$	232,751
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)		385		368,903
6.13%, 02/01/20		400		424,360

				38,446,227
OIL & GAS SERVICES — 0.08%
Baker Hughes a GE Co. LLC
3.20%, 08/15/21 (Call 05/15/21)		200		200,714
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
3.34%, 12/15/27 (Call 09/15/27)		200		190,982
Halliburton Co.
3.50%, 08/01/23 (Call 05/01/23)		125		125,843
3.80%, 11/15/25 (Call 08/15/25)		575		575,862
National Oilwell Varco Inc.
2.60%, 12/01/22 (Call 09/01/22)		275		262,911
TechnipFMC PLC
3.45%, 10/01/22 (Call 07/01/22)^a		195		191,123

				1,547,435
PACKAGING & CONTAINERS — 0.04%
Bemis Co. Inc.
3.10%, 09/15/26 (Call 06/15/26)		50		46,566
4.50%, 10/15/21 (Call 07/15/21)		150		156,027
Packaging Corp. of America
3.65%, 09/15/24 (Call 06/15/24)		40		40,186
4.50%, 11/01/23 (Call 08/01/23)		200		210,318
WestRock Co.
3.38%, 09/15/27 (Call 06/15/27)^a		15		14,327


Security	Principal (000s)		Value
WestRock RKT Co.
4.00%, 03/01/23 (Call 12/01/22)	$	250	$	255,545
4.90%, 03/01/22		50		52,767

				775,736
PHARMACEUTICALS — 1.45%
AbbVie Inc.
2.30%, 05/14/21 (Call 04/14/21)		385		375,560
2.50%, 05/14/20 (Call 04/14/20)		675		669,006
2.85%, 05/14/23 (Call 03/14/23)		375		364,132
2.90%, 11/06/22		600		587,472
3.20%, 05/14/26 (Call 02/14/26)		550		525,145
3.60%, 05/14/25 (Call 02/14/25)		465		460,401
Actavis Inc.
3.25%, 10/01/22 (Call 07/01/22)		400		394,372
Allergan Funding SCS
3.00%, 03/12/20 (Call 02/12/20)		560		559,670
3.45%, 03/15/22 (Call 01/15/22)		674		672,672
3.80%, 03/15/25 (Call 12/15/24)		700		690,543
3.85%, 06/15/24 (Call 03/15/24)		100		100,058
Allergan Inc./U.S.
2.80%, 03/15/23 (Call 12/15/22)		245		236,065
3.38%, 09/15/20		150		150,806
AmerisourceBergen Corp.
3.25%, 03/01/25 (Call 12/01/24)		100		96,095
3.40%, 05/15/24 (Call 02/15/24)		150		148,053
3.45%, 12/15/27 (Call 09/15/27)		150		142,706
AstraZeneca PLC
2.38%, 11/16/20		350		345,331


Security	Principal (000s)		Value
2.38%, 06/12/22 (Call 05/12/22)	$	70	$	67,824
3.13%, 06/12/27 (Call 03/12/27)		35		33,498
3.38%, 11/16/25		565		555,079
Bristol-Myers Squibb Co.
2.00%, 08/01/22		340		325,533
3.25%, 11/01/23		300		301,773
3.25%, 02/27/27		105		103,633
Cardinal Health Inc.
2.40%, 11/15/19		10		9,944
2.62%, 06/15/22 (Call 05/15/22)		90		87,050
3.08%, 06/15/24 (Call 04/15/24)		175		167,729
3.41%, 06/15/27 (Call 03/15/27)		400		376,496
3.50%, 11/15/24 (Call 08/15/24)		150		147,524
4.63%, 12/15/20		100		104,149
CVS Health Corp.
2.13%, 06/01/21 (Call 05/01/21)		55		53,023
2.25%, 08/12/19 (Call 07/12/19)		300		297,438
2.75%, 12/01/22 (Call 09/01/22)		250		240,843
2.80%, 07/20/20 (Call 06/20/20)		615		610,517
2.88%, 06/01/26 (Call 03/01/26)		250		228,243
3.38%, 08/12/24 (Call 05/12/24)		250		243,230
3.50%, 07/20/22 (Call 05/20/22)		200		199,284
3.88%, 07/20/25 (Call 04/20/25)		65		64,228
4.00%, 12/05/23 (Call 09/05/23)		275		278,773
4.13%, 05/15/21 (Call 02/15/21)		200		205,252
4.75%, 12/01/22 (Call 09/01/22)		250		262,397


Security	Principal (000s)		Value
Eli Lilly & Co.
1.95%, 03/15/19	$	250	$	248,520
3.10%, 05/15/27 (Call 02/15/27)		190		185,265
Express Scripts Holding Co.
2.25%, 06/15/19		420		417,404
3.05%, 11/30/22 (Call 10/30/22)		250		244,767
3.30%, 02/25/21 (Call 01/25/21)		60		60,093
3.40%, 03/01/27 (Call 12/01/26)		115		108,972
3.50%, 06/15/24 (Call 03/15/24)		250		245,565
3.90%, 02/15/22		300		305,841
4.50%, 02/25/26 (Call 11/27/25)		400		411,756
4.75%, 11/15/21		300		314,535
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23		115		112,889
GlaxoSmithKline Capital PLC
2.85%, 05/08/22		750		743,580
Johnson & Johnson
1.65%, 03/01/21 (Call 02/01/21)		50		48,632
2.05%, 03/01/23 (Call 01/01/23)		290		278,652
2.45%, 03/01/26 (Call 12/01/25)		425		399,904
2.95%, 09/01/20		100		101,022
2.95%, 03/03/27 (Call 12/03/26)		15		14,569
3.38%, 12/05/23		250		255,200
3.55%, 05/15/21		300		308,076
McKesson Corp.
2.28%, 03/15/19		290		289,049
2.70%, 12/15/22 (Call 09/15/22)		250		242,362
2.85%, 03/15/23 (Call 12/15/22)		125		122,016
Mead Johnson Nutrition Co.
3.00%, 11/15/20		235		234,847
4.13%, 11/15/25 (Call 08/15/25)		185		188,700


Security	Principal (000s)		Value
Merck & Co. Inc.
1.85%, 02/10/20	$	230	$	226,987
2.35%, 02/10/22		500		490,825
2.75%, 02/10/25 (Call 11/10/24)		510		492,492
2.80%, 05/18/23		490		484,762
Merck Sharp & Dohme Corp.
5.00%, 06/30/19		575		593,337
Mylan NV
3.15%, 06/15/21 (Call 05/15/21)		595		589,585
3.95%, 06/15/26 (Call 03/15/26)		325		315,091
Novartis Capital Corp.
2.40%, 05/17/22 (Call 04/17/22)		350		342,629
2.40%, 09/21/22		300		292,179
3.10%, 05/17/27 (Call 02/17/27)		275		269,082
3.40%, 05/06/24		600		606,588
4.40%, 04/24/20		25		25,916
Perrigo Finance Unlimited Co.
4.38%, 03/15/26 (Call 12/15/25)		200		202,238
Pfizer Inc.
1.45%, 06/03/19		350		345,751
1.70%, 12/15/19		350		345,261
2.10%, 05/15/19		275		273,878
2.20%, 12/15/21		220		215,147
2.75%, 06/03/26		325		309,124
3.00%, 06/15/23		250		249,832
3.00%, 12/15/26		390		377,598
3.40%, 05/15/24		230		232,459
Sanofi
4.00%, 03/29/21		250		258,120
Shire Acquisitions Investments Ireland DAC
1.90%, 09/23/19		765		753,058
2.40%, 09/23/21 (Call 08/23/21)		695		671,384
2.88%, 09/23/23 (Call 07/23/23)		100		95,793
3.20%, 09/23/26 (Call 06/23/26)		590		549,502


Security	Principal (000s)		Value
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)	$	225	$	211,318
3.25%, 02/01/23 (Call 11/01/22)		225		223,130
4.50%, 11/13/25 (Call 08/13/25)		190		200,813

				27,607,642
PIPELINES — 1.08%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
3.50%, 12/01/22 (Call 11/01/22)		75		73,842
4.25%, 12/01/27 (Call 09/01/27)		35		34,190
Boardwalk Pipelines LP
3.38%, 02/01/23 (Call 11/01/22)		250		243,135
5.95%, 06/01/26 (Call 03/01/26)		240		259,922
Buckeye Partners LP
4.15%, 07/01/23 (Call 04/01/23)		100		100,497
4.35%, 10/15/24 (Call 07/15/24)		450		452,965
Columbia Pipeline Group Inc.
3.30%, 06/01/20 (Call 05/01/20)		125		125,551
4.50%, 06/01/25 (Call 03/01/25)		100		103,083
Enable Midstream Partners LP
3.90%, 05/15/24 (Call 02/15/24)		250		246,148
Enbridge Energy Partners LP
4.20%, 09/15/21 (Call 06/15/21)		255		261,237
4.38%, 10/15/20 (Call 09/15/20)		250		257,013
5.88%, 10/15/25 (Call 07/15/25)		75		83,199
Enbridge Inc.
3.50%, 06/10/24 (Call 03/10/24)		200		196,740


Security	Principal (000s)		Value
3.70%, 07/15/27 (Call 04/15/27)	$	225	$	217,159
4.25%, 12/01/26 (Call 09/01/26)		180		181,593
Energy Transfer LP
3.60%, 02/01/23 (Call 11/01/22)		100		98,670
4.05%, 03/15/25 (Call 12/15/24)		550		541,277
4.15%, 10/01/20 (Call 08/01/20)		238		243,065
4.65%, 06/01/21 (Call 03/01/21)		425		440,092
4.75%, 01/15/26 (Call 10/15/25)		565		574,068
5.20%, 02/01/22 (Call 11/01/21)		390		410,873
Energy Transfer LP/Regency Energy Finance Corp.
5.88%, 03/01/22 (Call 12/01/21)		50		53,696
EnLink Midstream Partners LP
2.70%, 04/01/19 (Call 03/01/19)		305		302,804
4.15%, 06/01/25 (Call 03/01/25)		150		146,772
4.40%, 04/01/24 (Call 01/01/24)		100		100,554
4.85%, 07/15/26 (Call 04/15/26)		120		122,816
Enterprise Products Operating LLC
2.55%, 10/15/19 (Call 09/15/19)		210		208,982
2.85%, 04/15/21 (Call 03/15/21)		155		153,926
3.35%, 03/15/23 (Call 12/15/22)		490		488,932
3.70%, 02/15/26 (Call 11/15/25)		50		49,761
3.75%, 02/15/25 (Call 11/15/24)		249		250,332
3.90%, 02/15/24 (Call 11/15/23)		545		554,167


Security	Principal (000s)		Value
3.95%, 02/15/27 (Call 11/15/26)^c	$	325	$	328,425
5.25%, 01/31/20		100		104,335
EQT Midstream Partners LP
4.00%, 08/01/24 (Call 05/01/24)		175		171,383
Kinder Morgan Energy Partners LP
3.45%, 02/15/23 (Call 11/15/22)		200		197,690
3.50%, 03/01/21 (Call 01/01/21)		70		70,342
3.95%, 09/01/22 (Call 06/01/22)		190		192,388
4.15%, 03/01/22		200		204,418
4.25%, 09/01/24 (Call 06/01/24)		240		243,065
4.30%, 05/01/24 (Call 02/01/24)		100		101,489
5.00%, 10/01/21 (Call 07/01/21)		100		104,973
6.50%, 04/01/20		330		351,919
6.85%, 02/15/20		350		374,391
Kinder Morgan Inc./DE
3.05%, 12/01/19 (Call 11/01/19)		325		325,130
3.15%, 01/15/23 (Call 12/15/22)		300		293,913
4.30%, 06/01/25 (Call 03/01/25)		125		126,481
6.50%, 09/15/20		200		215,684
Magellan Midstream Partners LP
4.25%, 02/01/21		300		309,072
MPLX LP
4.13%, 03/01/27 (Call 12/01/26)		370		367,872
4.88%, 12/01/24 (Call 09/01/24)		200		210,798
4.88%, 06/01/25 (Call 03/01/25)		350		367,629
5.50%, 02/15/23 (Call 04/02/18)		259		266,288
ONEOK Inc.
4.00%, 07/13/27 (Call 04/13/27)^c		75		73,956


Security	Principal (000s)		Value
4.25%, 02/01/22 (Call 11/01/21)	$	50	$	51,298
7.50%, 09/01/23 (Call 06/01/23)		25		29,338
ONEOK Partners LP
3.38%, 10/01/22 (Call 07/01/22)		325		321,542
5.00%, 09/15/23 (Call 06/15/23)		250		264,510
Plains All American Pipeline LP/PAA Finance Corp.
2.60%, 12/15/19 (Call 11/15/19)		250		246,950
3.60%, 11/01/24 (Call 08/01/24)		195		186,131
3.85%, 10/15/23 (Call 07/15/23)		250		246,263
4.50%, 12/15/26 (Call 09/15/26)		90		89,263
4.65%, 10/15/25 (Call 07/15/25)		250		251,683
5.75%, 01/15/20		100		104,519
Sabine Pass Liquefaction LLC
5.00%, 03/15/27 (Call 09/15/26)		50		51,926
5.63%, 04/15/23 (Call 01/15/23)		200		214,338
5.63%, 03/01/25 (Call 12/01/24)		650		699,575
5.75%, 05/15/24 (Call 02/15/24)		400		431,932
5.88%, 06/30/26 (Call 12/31/25)		490		535,585
Spectra Energy Capital LLC
3.30%, 03/15/23 (Call 03/27/18)		275		279,832
Spectra Energy Partners LP
3.38%, 10/15/26 (Call 07/15/26)		68		64,780
3.50%, 03/15/25 (Call 12/15/24)		400		388,584


Security	Principal (000s)		Value
Sunoco Logistics Partners Operations LP
3.45%, 01/15/23 (Call 10/15/22)	$	100	$	97,943
TC PipeLines LP
3.90%, 05/25/27 (Call 02/25/27)		45		43,772
4.38%, 03/13/25 (Call 12/13/24)		225		228,510
4.65%, 06/15/21 (Call 03/15/21)		50		51,595
TransCanada PipeLines Ltd.
2.50%, 08/01/22		215		209,079
3.75%, 10/16/23 (Call 07/16/23)		200		204,698
Western Gas Partners LP
4.00%, 07/01/22 (Call 04/01/22)		175		175,481
4.65%, 07/01/26 (Call 04/01/26)		225		228,141
Williams Partners LP
3.35%, 08/15/22 (Call 05/15/22)		200		197,932
3.60%, 03/15/22 (Call 01/15/22)		250		250,530
3.75%, 06/15/27 (Call 03/15/27)		415		403,417
3.90%, 01/15/25 (Call 10/15/24)		248		246,386
4.00%, 11/15/21 (Call 08/15/21)		170		173,373
4.00%, 09/15/25 (Call 06/15/25)		25		24,905
4.30%, 03/04/24 (Call 12/04/23)		35		35,849
5.25%, 03/15/20		425		443,449
Williams Partners LP/ACMP Finance Corp.
4.88%, 03/15/24 (Call 03/28/18)		390		407,729

				20,459,540


Security	Principal (000s)		Value
REAL ESTATE — 0.05%
CBRE Services Inc.
4.88%, 03/01/26 (Call 12/01/25)	$	25	$	26,286
5.25%, 03/15/25 (Call 12/15/24)		200		213,962
Prologis LP
3.75%, 11/01/25 (Call 08/01/25)		420		427,018
4.25%, 08/15/23 (Call 05/15/23)		200		209,100

				876,366
REAL ESTATE INVESTMENT TRUSTS — 1.29%
Alexandria Real Estate Equities Inc.
3.95%, 01/15/28 (Call 10/15/27)		100		98,313
4.60%, 04/01/22 (Call 01/01/22)		250		261,220
American Tower Corp.
2.25%, 01/15/22		205		196,868
3.38%, 10/15/26 (Call 07/15/26)		145		137,576
3.50%, 01/31/23		275		274,835
3.55%, 07/15/27 (Call 04/15/27)		205		195,291
4.00%, 06/01/25 (Call 03/01/25)		450		450,940
4.40%, 02/15/26 (Call 11/15/25)		30		30,684
4.70%, 03/15/22		315		329,818
5.00%, 02/15/24		275		293,518
5.05%, 09/01/20		200		209,310
AvalonBay Communities Inc.
2.95%, 09/15/22 (Call 06/15/22)		250		247,235
2.95%, 05/11/26 (Call 02/11/26)		250		238,070
3.35%, 05/15/27 (Call 02/15/27)		100		97,814
3.50%, 11/15/25 (Call 08/15/25)		30		29,830
Boston Properties LP
2.75%, 10/01/26 (Call 07/01/26)		200		184,876


Security	Principal (000s)		Value
3.65%, 02/01/26 (Call 11/03/25)	$	490	$	486,016
4.13%, 05/15/21 (Call 02/15/21)		400		412,796
5.88%, 10/15/19 (Call 07/17/19)		250		260,960
Brandywine Operating Partnership LP
3.95%, 11/15/27 (Call 08/15/27)		100		96,456
Brixmor Operating Partnership LP
3.25%, 09/15/23 (Call 07/15/23)		250		240,700
3.65%, 06/15/24 (Call 04/15/24)		150		146,853
3.88%, 08/15/22 (Call 06/15/22)		20		20,144
3.90%, 03/15/27 (Call 12/15/26)		100		96,082
4.13%, 06/15/26 (Call 03/15/26)		200		196,586
Camden Property Trust
2.95%, 12/15/22 (Call 09/15/22)		50		48,946
CBL & Associates LP
4.60%, 10/15/24 (Call 07/15/24)^c		40		32,829
5.25%, 12/01/23 (Call 09/01/23)^c		300		254,808
CC Holdings GS V LLC/Crown Castle GS III Corp.
3.85%, 04/15/23		285		286,972
Columbia Property Trust Operating Partnership LP
3.65%, 08/15/26 (Call 05/15/26)		275		260,884
Corporate Office Properties LP
3.70%, 06/15/21 (Call 04/15/21)		125		125,479
Crown Castle International Corp.
2.25%, 09/01/21 (Call 08/01/21)		145		140,489
3.20%, 09/01/24 (Call 07/01/24)		150		144,513


Security	Principal (000s)		Value
3.40%, 02/15/21 (Call 01/15/21)	$	500	$	503,255
3.70%, 06/15/26 (Call 03/15/26)		250		241,128
4.45%, 02/15/26 (Call 11/15/25)		350		357,343
5.25%, 01/15/23		325		348,315
CubeSmart LP
3.13%, 09/01/26 (Call 06/01/26)		20		18,494
4.38%, 12/15/23 (Call 09/15/23)		150		155,043
DDR Corp.
4.63%, 07/15/22 (Call 04/15/22)		350		362,523
Digital Realty Trust LP
3.40%, 10/01/20 (Call 09/01/20)		250		252,858
3.63%, 10/01/22 (Call 07/03/22)		468		473,246
5.25%, 03/15/21 (Call 12/15/20)		225		237,517
Duke Realty LP
3.88%, 10/15/22 (Call 07/15/22)		250		255,682
4.38%, 06/15/22 (Call 03/15/22)		250		260,390
EPR Properties
4.75%, 12/15/26 (Call 09/15/26)		100		100,207
ERP Operating LP
2.85%, 11/01/26 (Call 08/01/26)		195		183,485
3.00%, 04/15/23 (Call 01/15/23)		200		198,282
3.25%, 08/01/27 (Call 05/01/27)		50		48,306
Essex Portfolio LP
3.25%, 05/01/23 (Call 02/01/23)		130		128,443
3.88%, 05/01/24 (Call 02/01/24)		515		519,856


Security	Principal (000s)		Value
HCP Inc.
3.15%, 08/01/22 (Call 05/01/22)	$	300	$	297,723
3.88%, 08/15/24 (Call 05/17/24)		230		230,446
4.00%, 06/01/25 (Call 03/01/25)		120		120,437
4.25%, 11/15/23 (Call 08/15/23)		300		309,030
5.38%, 02/01/21 (Call 11/03/20)		105		111,034
Healthcare Trust of America Holdings LP
3.75%, 07/01/27 (Call 04/01/27)		150		144,785
Hospitality Properties Trust
3.95%, 01/15/28 (Call 07/15/27)		100		94,367
4.65%, 03/15/24 (Call 09/15/23)		150		153,549
5.00%, 08/15/22 (Call 02/15/22)		350		365,736
Host Hotels & Resorts LP
4.00%, 06/15/25 (Call 03/15/25)		300		297,195
Series D
3.75%, 10/15/23 (Call 07/15/23)		395		392,883
Kilroy Realty LP
3.45%, 12/15/24 (Call 09/15/24)		265		257,376
4.38%, 10/01/25 (Call 07/01/25)		100		101,994
Kimco Realty Corp.
2.80%, 10/01/26 (Call 07/01/26)		200		182,562
3.13%, 06/01/23 (Call 03/01/23)		350		341,869
3.20%, 05/01/21 (Call 03/01/21)		100		100,340
3.30%, 02/01/25 (Call 12/01/24)		50		48,171
3.80%, 04/01/27 (Call 01/01/27)		100		97,890


Security	Principal (000s)		Value
6.88%, 10/01/19	$	30	$	31,858
Liberty Property LP
4.40%, 02/15/24 (Call 11/15/23)		250		260,025
4.75%, 10/01/20 (Call 07/01/20)		250		260,180
Mid-America Apartments LP
4.30%, 10/15/23 (Call 07/15/23)		300		310,605
National Retail Properties Inc.
3.50%, 10/15/27 (Call 07/15/27)		100		95,222
5.50%, 07/15/21 (Call 04/15/21)		100		106,486
Omega Healthcare Investors Inc.
4.50%, 04/01/27 (Call 01/01/27)^c		160		152,861
4.75%, 01/15/28 (Call 10/15/27)^c		80		77,302
4.95%, 04/01/24 (Call 01/01/24)		250		254,817
5.25%, 01/15/26 (Call 10/15/25)		150		151,629
Piedmont Operating Partnership LP
3.40%, 06/01/23 (Call 03/01/23)		200		194,834
4.45%, 03/15/24 (Call 12/15/23)		100		101,758
Public Storage
3.09%, 09/15/27 (Call 06/15/27)		100		96,038
Rayonier Inc.
3.75%, 04/01/22 (Call 01/01/22)		305		304,036
Realty Income Corp.
3.00%, 01/15/27 (Call 10/15/26)		15		14,039
3.25%, 10/15/22 (Call 07/15/22)		305		302,981
3.88%, 07/15/24 (Call 04/15/24)		100		101,253
4.65%, 08/01/23 (Call 05/01/23)		250		263,305


Security	Principal (000s)		Value
Sabra Health Care LP
5.13%, 08/15/26 (Call 05/15/26)	$	100	$	97,328
Select Income REIT
4.50%, 02/01/25 (Call 11/01/24)		350		343,903
Senior Housing Properties Trust
3.25%, 05/01/19 (Call 02/01/19)		200		200,480
Simon Property Group LP
2.35%, 01/30/22 (Call 10/30/21)		115		111,844
2.63%, 06/15/22 (Call 03/15/22)		100		97,795
2.75%, 02/01/23 (Call 11/01/22)		200		195,412
3.25%, 11/30/26 (Call 08/30/26)		250		241,865
3.30%, 01/15/26 (Call 10/15/25)		325		316,036
3.38%, 10/01/24 (Call 07/01/24)		200		198,636
3.38%, 06/15/27 (Call 03/15/27)		250		242,578
3.75%, 02/01/24 (Call 11/01/23)		250		254,588
4.13%, 12/01/21 (Call 09/01/21)		300		310,611
4.38%, 03/01/21 (Call 12/01/20)		320		333,014
UDR Inc.
2.95%, 09/01/26 (Call 06/01/26)		25		23,214
3.50%, 07/01/27 (Call 04/01/27)		100		96,695
3.50%, 01/15/28 (Call 10/15/27)		250		241,750
3.75%, 07/01/24 (Call 04/01/24)		135		135,597
Ventas Realty LP
3.25%, 10/15/26 (Call 07/15/26)		525		496,419
3.75%, 05/01/24 (Call 02/01/24)		100		100,381


Security	Principal (000s)		Value
3.85%, 04/01/27 (Call 01/01/27)	$	100	$	98,261
Ventas Realty LP/Ventas Capital Corp.
2.70%, 04/01/20 (Call 01/01/20)		95		94,541
4.25%, 03/01/22 (Call 12/01/21)		150		154,637
4.75%, 06/01/21 (Call 03/01/21)		200		208,998
VEREIT Operating Partnership LP
4.13%, 06/01/21 (Call 05/01/21)		250		255,990
4.60%, 02/06/24 (Call 11/06/23)		50		51,298
4.88%, 06/01/26 (Call 03/01/26)		250		254,735
Vornado Realty LP
5.00%, 01/15/22 (Call 10/15/21)		225		237,303
Welltower Inc.
3.75%, 03/15/23 (Call 12/15/22)		20		20,308
4.13%, 04/01/19 (Call 01/01/19)		100		101,105
4.50%, 01/15/24 (Call 10/15/23)		270		280,870
4.95%, 01/15/21 (Call 10/15/20)		100		104,524
5.25%, 01/15/22 (Call 10/15/21)		100		106,687
Weyerhaeuser Co.
4.63%, 09/15/23		100		105,953
7.38%, 10/01/19		125		133,840
WP Carey Inc.
4.60%, 04/01/24 (Call 01/01/24)		305		314,254

				24,460,150
RETAIL — 0.83%
Advance Auto Parts Inc.
4.50%, 01/15/22 (Call 10/15/21)		50		51,718
4.50%, 12/01/23 (Call 09/01/23)		200		206,598


Security	Principal (000s)		Value
5.75%, 05/01/20	$	100	$	105,370
AutoNation Inc.
3.35%, 01/15/21 (Call 12/15/20)		155		155,538
AutoZone Inc.
3.13%, 04/21/26 (Call 01/21/26)		70		66,171
3.25%, 04/15/25 (Call 01/15/25)		165		159,370
3.70%, 04/15/22 (Call 01/15/22)		300		304,254
Bed Bath & Beyond Inc.
3.75%, 08/01/24 (Call 05/01/24)		50		48,823
Best Buy Co. Inc.
5.50%, 03/15/21 (Call 12/15/20)^c		238		252,970
Costco Wholesale Corp.
1.70%, 12/15/19		275		270,644
2.15%, 05/18/21 (Call 04/18/21)		50		49,125
2.25%, 02/15/22		170		165,864
2.30%, 05/18/22 (Call 04/18/22)		65		63,323
3.00%, 05/18/27 (Call 02/18/27)		350		338,173
Darden Restaurants Inc.
3.85%, 05/01/27 (Call 02/01/27)		175		172,505
Dollar General Corp.
3.25%, 04/15/23 (Call 01/15/23)		250		247,682
3.88%, 04/15/27 (Call 01/15/27)		250		251,230
Home Depot Inc. (The)
2.00%, 04/01/21 (Call 03/01/21)		495		483,501
2.13%, 09/15/26 (Call 06/15/26)		180		162,463
2.63%, 06/01/22 (Call 05/01/22)		575		567,795
2.70%, 04/01/23 (Call 01/01/23)		100		98,171


Security	Principal (000s)		Value
2.80%, 09/14/27 (Call 06/14/27)	$	280	$	263,872
3.00%, 04/01/26 (Call 01/01/26)		200		193,946
3.35%, 09/15/25 (Call 06/15/25)		90		89,476
3.75%, 02/15/24 (Call 11/15/23)		350		360,731
Kohl’s Corp.
4.00%, 11/01/21 (Call 08/01/21)		100		101,595
4.25%, 07/17/25 (Call 04/17/25)^c		225		228,742
4.75%, 12/15/23 (Call 09/15/23)		100		105,084
Lowe’s Companies Inc.
2.50%, 04/15/26 (Call 01/15/26)		325		300,297
3.10%, 05/03/27 (Call 02/03/27)		320		306,739
3.12%, 04/15/22 (Call 01/15/22)		25		25,116
3.13%, 09/15/24 (Call 06/15/24)		100		98,729
3.38%, 09/15/25 (Call 06/15/25)		250		246,820
3.80%, 11/15/21 (Call 08/15/21)		200		205,848
Macy’s Retail Holdings Inc.
2.88%, 02/15/23 (Call 11/15/22)^c		225		209,873
3.63%, 06/01/24 (Call 03/01/24)^c		100		95,637
3.88%, 01/15/22 (Call 10/15/21)^c		190		190,023
4.38%, 09/01/23 (Call 06/01/23)^c		50		49,951
McDonald’s Corp.
1.88%, 05/29/19		50		49,611
2.20%, 05/26/20 (Call 04/26/20)		100		98,933
2.63%, 01/15/22		200		196,688
2.75%, 12/09/20 (Call 11/09/20)		350		349,517


Security	Principal (000s)		Value
3.25%, 06/10/24	$	100	$	99,942
3.50%, 03/01/27 (Call 12/01/26)		315		309,825
3.70%, 01/30/26 (Call 10/30/25)		400		400,704
Nordstrom Inc.
4.00%, 10/15/21 (Call 07/15/21)		150		152,000
4.00%, 03/15/27 (Call 12/15/26)		150		146,714
O’Reilly Automotive Inc.
3.55%, 03/15/26 (Call 12/15/25)^c		275		269,164
3.85%, 06/15/23 (Call 03/15/23)		250		255,607
4.63%, 09/15/21 (Call 06/15/21)^c		115		120,269
QVC Inc.
3.13%, 04/01/19		75		75,107
4.38%, 03/15/23		175		174,836
4.45%, 02/15/25 (Call 11/15/24)		115		113,293
4.85%, 04/01/24		100		101,402
5.13%, 07/02/22		120		124,058
Starbucks Corp.
2.45%, 06/15/26 (Call 03/15/26)		120		111,660
2.70%, 06/15/22 (Call 04/15/22)		250		247,467
3.10%, 03/01/23 (Call 02/01/23)		250		249,547
3.50%, 03/01/28 (Call 12/01/27)		250		248,185
3.85%, 10/01/23 (Call 07/01/23)		50		51,925
Tapestry Inc.
3.00%, 07/15/22 (Call 06/15/22)		50		48,799
4.13%, 07/15/27 (Call 04/15/27)		155		151,637
Target Corp.
2.50%, 04/15/26		260		241,501
2.90%, 01/15/22		315		315,444


Security	Principal (000s)		Value
3.50%, 07/01/24	$	265	$	269,439
3.88%, 07/15/20		225		231,473
TJX Companies Inc. (The)
2.25%, 09/15/26 (Call 06/15/26)		335		302,853
2.50%, 05/15/23 (Call 02/15/23)		125		121,271
Walgreen Co.
3.10%, 09/15/22		175		171,854
Walgreens Boots Alliance Inc.
2.70%, 11/18/19 (Call 10/18/19)		400		398,752
3.45%, 06/01/26 (Call 03/01/26)		450		426,289
3.80%, 11/18/24 (Call 08/18/24)		425		422,220
Walmart Inc.
1.90%, 12/15/20		250		245,460
2.35%, 12/15/22 (Call 11/15/22)		250		243,413
2.55%, 04/11/23 (Call 01/11/23)		95		93,055
2.65%, 12/15/24 (Call 10/15/24)		205		199,149
3.30%, 04/22/24 (Call 01/22/24)		400		404,056
3.63%, 07/08/20		50		51,256
5.88%, 04/05/27		175		207,489

				15,785,631
SAVINGS & LOANS — 0.01%
First Niagara Financial Group Inc.
6.75%, 03/19/20		100		107,287
People’s United Financial Inc.
3.65%, 12/06/22 (Call 09/06/22)		117		118,244

				225,531
SEMICONDUCTORS — 0.57%
Altera Corp.
4.10%, 11/15/23		250		262,765
Analog Devices Inc.
2.88%, 06/01/23 (Call 03/01/23)		175		170,952


Security	Principal (000s)		Value
3.50%, 12/05/26 (Call 09/05/26)	$	390	$	380,847
Applied Materials Inc.
2.63%, 10/01/20 (Call 09/01/20)		100		99,716
3.30%, 04/01/27 (Call 01/01/27)		195		190,960
3.90%, 10/01/25 (Call 07/01/25)		210		215,901
4.30%, 06/15/21		350		365,120
Broadcom Corp./Broadcom Cayman Finance Ltd.
2.20%, 01/15/21		400		387,588
2.65%, 01/15/23 (Call 12/15/22)		300		283,989
3.00%, 01/15/22 (Call 12/15/21)		345		337,465
3.13%, 01/15/25 (Call 11/15/24)		260		243,196
3.63%, 01/15/24 (Call 11/15/23)		150		146,508
3.88%, 01/15/27 (Call 10/15/26)		1,350		1,296,283
Intel Corp.
2.60%, 05/19/26 (Call 02/19/26)		300		282,687
2.88%, 05/11/24 (Call 03/11/24)		200		195,690
3.10%, 07/29/22		200		201,482
3.15%, 05/11/27 (Call 02/11/27)		260		254,062
3.30%, 10/01/21		790		803,754
3.70%, 07/29/25 (Call 04/29/25)		480		489,547
KLA-Tencor Corp.
4.13%, 11/01/21 (Call 09/01/21)		400		411,724
4.65%, 11/01/24 (Call 08/01/24)		173		181,757
Lam Research Corp.
2.80%, 06/15/21 (Call 05/15/21)		80		79,256
3.80%, 03/15/25 (Call 12/15/24)		200		203,108


Security	Principal (000s)		Value
NVIDIA Corp.
2.20%, 09/16/21 (Call 08/16/21)	$	225	$	219,019
3.20%, 09/16/26 (Call 06/16/26)		200		193,904
QUALCOMM Inc.
2.25%, 05/20/20		280		275,075
2.60%, 01/30/23 (Call 12/30/22)		70		66,637
2.90%, 05/20/24 (Call 03/20/24)		150		141,797
3.00%, 05/20/22		615		602,503
3.25%, 05/20/27 (Call 02/20/27)		565		528,733
3.45%, 05/20/25 (Call 02/20/25)		325		314,769
Texas Instruments Inc.
1.65%, 08/03/19		300		296,607
1.75%, 05/01/20 (Call 04/01/20)		145		142,431
2.63%, 05/15/24 (Call 03/15/24)		55		53,187
2.75%, 03/12/21 (Call 02/12/21)		225		225,022
2.90%, 11/03/27 (Call 08/03/27)		60		57,550
Xilinx Inc.
2.13%, 03/15/19		100		99,556
2.95%, 06/01/24 (Call 04/01/24)		145		140,385
3.00%, 03/15/21		100		99,722

				10,941,254
SOFTWARE — 0.86%
Activision Blizzard Inc.
3.40%, 09/15/26 (Call 06/15/26)		225		219,746
Adobe Systems Inc.
3.25%, 02/01/25 (Call 11/01/24)		250		248,505
Autodesk Inc.
3.50%, 06/15/27 (Call 03/15/27)		120		114,414


Security	Principal (000s)		Value
4.38%, 06/15/25 (Call 03/15/25)	$	125	$	127,899
Broadridge Financial Solutions Inc.
3.40%, 06/27/26 (Call 03/27/26)		200		192,350
CA Inc.
3.60%, 08/15/22 (Call 07/15/22)		70		70,570
4.70%, 03/15/27 (Call 12/15/26)		150		152,682
Citrix Systems Inc.
4.50%, 12/01/27 (Call 09/01/27)		100		99,300
Electronic Arts Inc.
3.70%, 03/01/21 (Call 02/01/21)		30		30,569
4.80%, 03/01/26 (Call 12/01/25)		50		53,559
Fidelity National Information Services Inc.
2.25%, 08/15/21 (Call 07/15/21)		125		121,166
3.00%, 08/15/26 (Call 05/15/26)		225		210,409
3.50%, 04/15/23 (Call 01/15/23)		365		365,763
3.63%, 10/15/20 (Call 09/15/20)		50		50,745
4.50%, 10/15/22 (Call 08/15/22)		250		262,030
5.00%, 10/15/25 (Call 07/15/25)		75		80,423
Fiserv Inc.
3.85%, 06/01/25 (Call 03/01/25)		50		50,470
4.75%, 06/15/21		250		263,170
Microsoft Corp.
1.55%, 08/08/21 (Call 07/08/21)		555		532,978
1.85%, 02/06/20		100		98,939
1.85%, 02/12/20 (Call 01/12/20)		525		519,230
2.00%, 11/03/20 (Call 10/03/20)		455		447,570


Security	Principal (000s)		Value
2.00%, 08/08/23 (Call 06/08/23)	$	75	$	71,041
2.13%, 11/15/22		200		193,158
2.38%, 02/12/22 (Call 01/12/22)		650		637,650
2.40%, 02/06/22 (Call 01/06/22)		495		486,258
2.40%, 08/08/26 (Call 05/08/26)		770		714,883
2.65%, 11/03/22 (Call 09/03/22)		25		24,657
2.70%, 02/12/25 (Call 11/12/24)		875		845,329
2.88%, 02/06/24 (Call 12/06/23)		285		280,092
3.13%, 11/03/25 (Call 08/03/25)		875		863,791
3.63%, 12/15/23 (Call 09/15/23)		675		693,218
4.20%, 06/01/19		575		588,104
Oracle Corp.
1.90%, 09/15/21 (Call 08/15/21)		100		96,636
2.25%, 10/08/19		625		623,038
2.40%, 09/15/23 (Call 07/15/23)		575		548,717
2.50%, 05/15/22 (Call 03/15/22)		933		912,950
2.50%, 10/15/22		565		551,304
2.63%, 02/15/23 (Call 01/15/23)		515		502,995
2.65%, 07/15/26 (Call 04/15/26)		450		420,638
2.80%, 07/08/21		500		498,990
2.95%, 11/15/24 (Call 09/15/24)		760		737,975
2.95%, 05/15/25 (Call 02/15/25)		300		290,502
3.25%, 11/15/27 (Call 08/15/27)		100		97,203
3.40%, 07/08/24 (Call 04/08/24)		125		125,415
3.63%, 07/15/23		323		330,006
3.88%, 07/15/20		400		411,456


Security	Principal (000s)		Value
VMware Inc.
2.30%, 08/21/20	$	250	$	243,800
2.95%, 08/21/22 (Call 07/21/22)		205		197,589
3.90%, 08/21/27 (Call 05/21/27)		100		95,031

				16,394,913
TELECOMMUNICATIONS — 1.17%
America Movil SAB de CV
5.00%, 03/30/20		875		909,142
AT&T Inc.
2.30%, 03/11/19		825		823,226
2.45%, 06/30/20 (Call 05/30/20)		500		494,630
2.63%, 12/01/22 (Call 09/01/22)		50		48,274
2.85%, 02/14/23 (Call 01/14/23)		175		173,800
3.00%, 02/15/22		400		394,536
3.00%, 06/30/22 (Call 04/30/22)		575		564,995
3.20%, 03/01/22 (Call 02/01/22)		100		99,364
3.40%, 08/14/24 (Call 06/14/24)		250		248,382
3.40%, 05/15/25 (Call 02/15/25)		550		529,078
3.60%, 02/17/23 (Call 12/17/22)		100		100,253
3.80%, 03/15/22		470		477,492
3.80%, 03/01/24 (Call 01/01/24)		50		50,102
3.88%, 08/15/21		275		280,720
3.90%, 03/11/24 (Call 12/11/23)		700		705,481
3.90%, 08/14/27 (Call 05/14/27)		615		611,445
3.95%, 01/15/25 (Call 10/15/24)		600		599,370
4.13%, 02/17/26 (Call 11/17/25)		550		550,286
4.25%, 03/01/27 (Call 12/01/26)		115		115,265


Security	Principal (000s)		Value
4.45%, 05/15/21	$	430	$	446,521
4.45%, 04/01/24 (Call 01/01/24)		325		335,267
5.00%, 03/01/21		500		526,300
5.20%, 03/15/20		300		313,533
5.88%, 10/01/19		300		314,202
Cisco Systems Inc.
1.40%, 09/20/19		775		762,003
1.85%, 09/20/21 (Call 08/20/21)		300		289,449
2.20%, 02/28/21		530		520,539
2.45%, 06/15/20		25		24,849
2.50%, 09/20/26 (Call 06/20/26)		425		396,903
2.60%, 02/28/23		250		244,480
2.95%, 02/28/26		250		242,400
3.00%, 06/15/22		30		30,011
3.63%, 03/04/24		300		307,128
4.45%, 01/15/20		25		25,845
Juniper Networks Inc.
4.50%, 03/15/24		50		51,471
4.60%, 03/15/21		195		202,361
Motorola Solutions Inc.
3.50%, 09/01/21		125		125,350
3.50%, 03/01/23		55		53,922
3.75%, 05/15/22		215		215,088
4.00%, 09/01/24		100		99,720
7.50%, 05/15/25		75		88,963
Orange SA
1.63%, 11/03/19		230		225,639
4.13%, 09/14/21		150		155,861
5.38%, 07/08/19		315		325,798
Rogers Communications Inc.
2.90%, 11/15/26 (Call 08/15/26)		215		202,248
3.63%, 12/15/25 (Call 09/15/25)		110		109,595
4.10%, 10/01/23 (Call 07/01/23)		300		309,654
Telefonica Emisiones SAU
4.10%, 03/08/27		250		247,737
5.46%, 02/16/21		475		505,614
5.88%, 07/15/19		250		260,097


Security	Principal (000s)		Value
Telefonos de Mexico SAB de CV
5.50%, 11/15/19	$	200	$	208,902
Verizon Communications Inc.
1.75%, 08/15/21		150		143,531
2.45%, 11/01/22 (Call 08/01/22)		500		480,460
2.63%, 08/15/26		440		400,981
2.95%, 03/15/22		1,000		986,720
3.00%, 11/01/21 (Call 09/01/21)		585		581,899
3.38%, 02/15/25		808		788,050
3.50%, 11/01/21		265		268,228
3.50%, 11/01/24 (Call 08/01/24)		725		719,664
4.13%, 03/16/27		345		350,368
4.15%, 03/15/24 (Call 12/15/23)		74		76,191
5.15%, 09/15/23		900		975,213
Vodafone Group PLC
2.50%, 09/26/22		300		290,067
2.95%, 02/19/23		250		245,263

				22,249,926
TEXTILES — 0.01%
Cintas Corp. No. 2
3.70%, 04/01/27 (Call 01/01/27)		100		99,923
Mohawk Industries Inc.
3.85%, 02/01/23 (Call 11/01/22)		100		101,828

				201,751
TOYS, GAMES & HOBBIES — 0.01%
Hasbro Inc.
3.15%, 05/15/21 (Call 03/15/21)		45		44,934
3.50%, 09/15/27 (Call 06/15/27)		145		137,157

				182,091
TRANSPORTATION — 0.50%
Burlington Northern Santa Fe LLC
3.00%, 03/15/23 (Call 12/15/22)		250		248,712
3.00%, 04/01/25 (Call 01/01/25)		40		39,039


Security	Principal (000s)		Value
3.05%, 03/15/22 (Call 12/15/21)	$	160	$	160,586
3.05%, 09/01/22 (Call 06/01/22)		75		75,034
3.40%, 09/01/24 (Call 06/01/24)		375		378,439
3.75%, 04/01/24 (Call 01/01/24)		300		308,790
3.85%, 09/01/23 (Call 06/01/23)		50		51,731
4.70%, 10/01/19		430		443,936
Canadian National Railway Co.
2.40%, 02/03/20		85		84,706
2.85%, 12/15/21 (Call 09/15/21)		250		249,387
2.95%, 11/21/24 (Call 08/21/24)		220		215,827
Canadian Pacific Railway Co.
2.90%, 02/01/25 (Call 11/01/24)		250		240,290
CSX Corp.
3.35%, 11/01/25 (Call 08/01/25)		250		245,427
3.40%, 08/01/24 (Call 05/01/24)		100		99,655
3.70%, 10/30/20 (Call 07/30/20)		200		204,186
3.80%, 03/01/28 (Call 12/01/27)		500		497,540
4.25%, 06/01/21 (Call 03/01/21)		150		155,300
FedEx Corp.
2.30%, 02/01/20		295		292,162
3.25%, 04/01/26 (Call 01/01/26)		45		43,920
3.30%, 03/15/27 (Call 12/15/26)		165		160,529
3.40%, 02/15/28 (Call 11/15/27)		250		243,490
4.00%, 01/15/24		255		264,001
JB Hunt Transport Services Inc.
3.30%, 08/15/22 (Call 06/15/22)		250		249,595


Security	Principal (000s)		Value
Kansas City Southern
3.00%, 05/15/23 (Call 02/15/23)	$	100	$	96,905
Norfolk Southern Corp.
2.90%, 02/15/23 (Call 11/15/22)		200		197,052
2.90%, 06/15/26 (Call 03/15/26)		115		109,032
3.00%, 04/01/22 (Call 01/01/22)		525		523,320
3.25%, 12/01/21 (Call 09/01/21)		50		50,373
3.85%, 01/15/24 (Call 10/15/23)		225		231,309
5.90%, 06/15/19		75		78,059
Ryder System Inc.
2.25%, 09/01/21 (Call 08/01/21)		115		111,539
2.45%, 09/03/19 (Call 08/03/19)		65		64,723
2.50%, 05/11/20 (Call 04/11/20)		105		104,029
2.50%, 09/01/22 (Call 08/01/22)		105		101,521
2.65%, 03/02/20 (Call 02/02/20)		100		99,483
2.88%, 09/01/20 (Call 08/01/20)		205		204,475
Union Pacific Corp.
2.75%, 03/01/26 (Call 12/01/25)		330		314,209
3.00%, 04/15/27 (Call 01/15/27)		300		289,611
4.16%, 07/15/22 (Call 04/15/22)		458		478,028
United Parcel Service Inc.
2.05%, 04/01/21		275		269,844
2.40%, 11/15/26 (Call 08/15/26)		125		115,141
2.45%, 10/01/22		600		585,264
3.05%, 11/15/27 (Call 08/15/27)		140		134,292


Security	Principal (000s)		Value
3.13%, 01/15/21	$	175	$	176,890
5.13%, 04/01/19		197		202,553

				9,489,934
TRUCKING & LEASING — 0.02%
GATX Corp.
2.60%, 03/30/20 (Call 02/28/20)^c		100		99,093
3.25%, 09/15/26 (Call 06/15/26)		130		122,622
3.85%, 03/30/27 (Call 12/30/26)		50		49,140
4.85%, 06/01/21		200		210,206

				481,061
WATER — 0.01%
American Water Capital Corp.
2.95%, 09/01/27 (Call 06/01/27)		270		257,097

				257,097

TOTAL CORPORATE BONDS & NOTES (Cost: $661,701,067)				651,030,976

FOREIGN GOVERNMENT OBLIGATIONS^f — 5.07%

CANADA — 0.53%
Export Development Canada
1.63%, 12/03/19		500		493,555
1.75%, 08/19/19		75		74,380
1.75%, 07/21/20		700		688,107
2.00%, 05/17/22		150		145,512
Province of British Columbia Canada
2.00%, 10/23/22		130		124,911
2.25%, 06/02/26		620		578,919
2.65%, 09/22/21		150		149,493
Province of Manitoba Canada
1.75%, 05/30/19		60		59,518
2.05%, 11/30/20		200		196,312
2.10%, 09/06/22		175		168,392
2.13%, 05/04/22		100		96,758
2.13%, 06/22/26		450		411,525
3.05%, 05/14/24		75		74,591
Province of Ontario Canada
1.25%, 06/17/19		75		73,926
1.65%, 09/27/19		750		740,895
1.88%, 05/21/20		150		147,704


Security	Principal (000s)		Value
2.20%, 10/03/22	$	50	$	48,275
2.25%, 05/18/22		600		583,206
2.40%, 02/08/22		250		245,020
2.50%, 09/10/21		200		197,600
3.20%, 05/16/24		1,100		1,102,695
4.00%, 10/07/19		200		204,798
4.40%, 04/14/20		600		622,302
Province of Quebec Canada
2.38%, 01/31/22		100		98,094
2.50%, 04/20/26		775		735,855
2.63%, 02/13/23		350		343,829
2.75%, 08/25/21		50		49,899
2.75%, 04/12/27		635		610,660
2.88%, 10/16/24		400		393,432
3.50%, 07/29/20		525		535,594
7.13%, 02/09/24		150		180,724

				10,176,481
CHILE — 0.06%
Chile Government International Bond
2.25%, 10/30/22^c		400		383,936
3.25%, 09/14/21		200		201,554
3.88%, 08/05/20		550		563,327

				1,148,817
COLOMBIA — 0.14%
Colombia Government International Bond
3.88%, 04/25/27 (Call 01/25/27)		550		536,751
4.38%, 07/12/21		750		777,135
7.38%, 03/18/19		550		574,766
8.13%, 05/21/24		325		399,396
11.75%, 02/25/20		300		350,265

				2,638,313
GERMANY — 0.09%
FMS Wertmanagement AoeR
1.75%, 01/24/20		1,450		1,431,831
1.75%, 03/17/20		200		197,180

				1,629,011
HUNGARY — 0.13%
Hungary Government International Bond
5.38%, 02/21/23		374		405,005
5.38%, 03/25/24		250		273,388


Security	Principal (000s)		Value
5.75%, 11/22/23	$	600	$	665,232
6.25%, 01/29/20		300		318,810
6.38%, 03/29/21		750		819,472

				2,481,907
ISRAEL — 0.08%
Israel Government International Bond
2.88%, 03/16/26		600		575,424
4.00%, 06/30/22		200		207,322
5.13%, 03/26/19^c		730		751,367

				1,534,113
ITALY — 0.04%
Republic of Italy Government International Bond
6.88%, 09/27/23		660		768,332

				768,332
JAPAN — 0.26%
Japan Bank for International Cooperation
1.88%, 07/21/26		750		676,050
2.13%, 11/16/20		350		344,103
2.13%, 02/10/25		400		374,128
2.25%, 11/04/26		250		231,710
2.38%, 07/21/22		800		779,912
2.38%, 11/16/22		750		728,872
2.50%, 06/01/22		500		490,755
2.75%, 11/16/27		250		239,660
2.88%, 06/01/27		280		272,308
2.88%, 07/21/27		500		485,585
Japan Finance Organization for Municipalities
4.00%, 01/13/21		300		309,192

				4,932,275
MEXICO — 0.22%
Mexico Government International Bond
3.50%, 01/21/21		125		127,308
3.60%, 01/30/25		1,000		980,800
3.63%, 03/15/22		980		997,464
3.75%, 01/11/28		250		239,717
4.00%, 10/02/23		800		815,568
4.13%, 01/21/26^c		450		454,356
4.15%, 03/28/27		500		499,740

				4,114,953


Security	Principal (000s)		Value
PANAMA — 0.08%
Panama Government International Bond
4.00%, 09/22/24 (Call 06/22/24)	$	450	$	463,901
5.20%, 01/30/20		950		991,876

				1,455,777
PERU — 0.05%
Peruvian Government International Bond
7.13%, 03/30/19		395		414,916
7.35%, 07/21/25		450		561,195

				976,111
PHILIPPINES — 0.09%
Philippine Government International Bond
4.00%, 01/15/21		300		307,368
5.50%, 03/30/26		612		692,607
6.50%, 01/20/20		100		106,510
8.38%, 06/17/19		150		160,863
10.63%, 03/16/25		300		431,940

				1,699,288
POLAND — 0.16%
Republic of Poland Government International Bond
3.00%, 03/17/23		850		840,488
3.25%, 04/06/26		740		731,623
4.00%, 01/22/24		200		207,390
5.00%, 03/23/22		150		160,346
5.13%, 04/21/21		630		670,339
6.38%, 07/15/19		470		494,496

				3,104,682
SOUTH KOREA — 0.23%
Export-Import Bank of Korea
2.25%, 01/21/20		1,300		1,282,229
2.38%, 08/12/19		250		248,145
2.75%, 01/25/22		500		488,480
2.88%, 01/21/25		400		379,500
4.00%, 01/29/21		100		102,351
5.00%, 04/11/22		1,000		1,059,930
Korea International Bond
5.63%, 11/03/25		250		287,657
7.13%, 04/16/19		462		484,444

				4,332,736


Security	Principal (000s)		Value
SUPRANATIONAL — 2.75%
African Development Bank
1.00%, 05/15/19	$	459	$	451,977
1.13%, 03/04/19		773		764,512
2.38%, 09/23/21		328		324,694
Asian Development Bank
1.38%, 03/23/20^c		600		587,598
1.50%, 01/22/20		1,095		1,076,823
1.63%, 05/05/20		600		589,638
1.63%, 03/16/21		1,150		1,117,317
1.75%, 03/21/19		100		99,486
1.75%, 01/10/20		250		247,095
1.75%, 06/08/21		1,300		1,263,535
1.75%, 09/13/22		200		191,216
1.88%, 02/18/22^c		925		896,306
2.00%, 01/22/25^c		120		112,954
2.00%, 04/24/26		500		464,450
2.63%, 01/12/27^c		500		484,600
Corp. Andina de Fomento
2.00%, 05/10/19		400		397,172
2.13%, 09/27/21		525		509,176
4.38%, 06/15/22		400		420,004
Council of Europe Development Bank
1.75%, 11/14/19		150		148,398
2.63%, 02/13/23		345		341,502
European Bank for Reconstruction & Development
0.88%, 07/22/19		285		279,363
1.50%, 03/16/20		1,125		1,104,694
1.63%, 05/05/20		100		98,259
1.88%, 02/23/22		75		72,649
2.13%, 03/07/22		250		244,365
European Investment Bank
1.25%, 05/15/19		2,605		2,573,558
1.38%, 06/15/20^c		300		292,554
1.38%, 09/15/21		450		430,177
1.63%, 03/16/20		475		467,291
1.63%, 08/14/20		100		97,859
1.63%, 06/15/21^c		1,500		1,451,220
1.75%, 06/17/19		160		158,901
1.75%, 05/15/20^c		100		98,431
1.88%, 03/15/19		2,050		2,042,476
1.88%, 02/10/25^c		1,350		1,257,079


Security	Principal (000s)		Value
2.00%, 03/15/21	$	1,625	$	1,594,937
2.13%, 10/15/21		50		49,018
2.13%, 04/13/26		550		515,443
2.25%, 03/15/22		1,000		980,870
2.25%, 08/15/22		900		879,030
2.38%, 05/13/21		520		515,575
2.38%, 06/15/22		550		540,974
2.50%, 04/15/21		300		298,788
2.88%, 09/15/20		150		151,194
3.25%, 01/29/24		1,100		1,119,195
4.00%, 02/16/21		625		649,712
Inter-American Development Bank
1.00%, 05/13/19		50		49,256
1.25%, 09/14/21		500		476,270
1.38%, 07/15/20^c		1,050		1,023,330
1.63%, 05/12/20		750		736,890
1.75%, 10/15/19^c		875		866,871
1.75%, 04/14/22		1,125		1,082,149
1.88%, 06/16/20		500		493,480
2.13%, 11/09/20		250		247,253
2.13%, 01/18/22		500		489,215
2.13%, 01/15/25		600		569,232
2.38%, 07/07/27		50		47,354
2.50%, 01/18/23^c		250		246,410
3.00%, 02/21/24		1,000		1,004,430
Series GDP 1.25%, 10/15/19		515		506,173
International Bank for Reconstruction & Development
0.88%, 08/15/19		1,000		979,600
1.13%, 11/27/19		1,240		1,213,935
1.38%, 05/24/21^c		625		601,212
1.63%, 09/04/20^c		115		112,546
1.63%, 03/09/21		1,175		1,142,617
1.75%, 04/19/23		50		47,430
1.88%, 03/15/19		950		946,770
1.88%, 10/07/19		1,700		1,687,896
1.88%, 04/21/20^c		515		509,083
1.88%, 10/07/22^c		450		432,594
1.88%, 10/27/26		350		319,792
2.00%, 01/26/22		1,400		1,363,768
2.13%, 11/01/20		450		445,423
2.13%, 02/13/23^c		200		193,634
2.13%, 03/03/25		295		280,070


Security	Principal (000s)		Value
2.25%, 06/24/21	$	1,375	$	1,358,940
2.50%, 11/25/24		250		243,243
2.50%, 07/29/25		1,050		1,017,565
7.63%, 01/19/23		900		1,095,075
International Finance Corp.
1.13%, 07/20/21^c		250		237,848
1.63%, 07/16/20		300		294,003
1.75%, 09/16/19		1,199		1,188,509
2.00%, 10/24/22		150		144,999
2.13%, 04/07/26		250		234,518

				52,381,448
SWEDEN — 0.11%
Svensk Exportkredit AB
1.13%, 08/28/19		500		490,715
1.75%, 05/18/20		200		196,672
1.75%, 03/10/21		1,350		1,313,104

				2,000,491
URUGUAY — 0.05%
Uruguay Government International Bond
4.38%, 10/27/27		25		25,952
4.50%, 08/14/24^c		930		981,085

				1,007,037

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $98,714,161)				96,381,772

MUNICIPAL DEBT OBLIGATIONS — 0.12%

CALIFORNIA — 0.03%
State of California GO
6.20%, 03/01/19		100		103,902
6.20%, 10/01/19		20		21,137
State of California GO BAB
5.70%, 11/01/21		300		328,476

				453,515
FLORIDA — 0.01%
State Board of Administration Finance Corp. RB
Series A 3.00%, 07/01/20		250		251,205

				251,205
ILLINOIS — 0.04%
State of Illinois GO
4.95%, 06/01/23^c		360		371,452


Security	Principal (000s)		Value
5.67%, 03/01/18	$	50	$	50,010
5.88%, 03/01/19		400		409,808

				831,270
NEW JERSEY — 0.03%
New Jersey Economic Development Authority RB
Series B 0.00%, 02/15/20(AGM)^g		50		47,195
0.00%, 02/15/23(AGM)^g		600		503,034

				550,229
UTAH — 0.01%
State of Utah GO BAB
Series B 3.54%, 07/01/25		250		256,073

				256,073

TOTAL MUNICIPAL DEBT OBLIGATIONS
(Cost: $2,327,691)				2,342,292

U.S. GOVERNMENT & AGENCY OBLIGATIONS — 59.68%

U.S. GOVERNMENT AGENCY OBLIGATIONS — 2.94%
Federal Home Loan Banks
0.88%, 08/05/19		200		196,240
1.13%, 06/21/19		200		197,260
1.38%, 03/18/19		300		297,615
1.38%, 05/28/19		1,300		1,287,260
1.38%, 09/13/19		600		591,804
1.38%, 11/15/19		400		394,120
1.38%, 09/28/20		500		487,085
1.38%, 02/18/21		2,260		2,189,895
1.50%, 10/21/19		150		148,166
1.75%, 06/12/20		350		344,809
1.88%, 11/29/21		3,100		3,024,267
2.38%, 12/13/19		400		400,448
2.88%, 09/11/20		600		607,080
Federal Home Loan Mortgage Corp.
0.88%, 07/19/19		200		196,300
1.25%, 08/01/19		2,180		2,150,417
1.25%, 10/02/19		4,341		4,271,501
1.38%, 05/01/20		1,500		1,469,580
1.75%, 05/30/19		4,200		4,177,320
2.38%, 01/13/22		1,200		1,189,824


Security	Principal (000s)		Value
3.75%, 03/27/19	$	1,000	$	1,016,920
Federal National Mortgage Association
1.00%, 10/24/19		125		122,474
1.25%, 05/06/21		200		192,404
1.25%, 08/17/21		2,200		2,105,686
1.38%, 02/26/21		600		580,830
1.38%, 10/07/21		3,850		3,694,614
1.50%, 06/22/20		1,250		1,226,037
1.63%, 01/21/20		8,600		8,497,230
1.75%, 09/12/19		9,150		9,084,852
1.88%, 04/05/22		250		242,743
1.88%, 09/24/26		2,000		1,824,920
2.00%, 01/05/22		1,000		977,800
2.13%, 04/24/26		1,150		1,076,745
2.38%, 01/19/23		500		491,805
2.63%, 09/06/24		1,100		1,082,741
Tennessee Valley Authority
3.88%, 02/15/21		25		25,967

				55,864,759
U.S. GOVERNMENT OBLIGATIONS — 56.74%
U.S. Treasury Note/Bond
0.75%, 07/15/19		1,800		1,765,468
0.88%, 04/15/19		4,200		4,142,070
0.88%, 07/31/19		3,000		2,945,599
0.88%, 09/15/19		14,700		14,405,873
1.00%, 03/15/19		2,000		1,977,177
1.00%, 06/30/19		9,000		8,862,358
1.00%, 08/31/19		7,700		7,564,933
1.00%, 09/30/19		5,000		4,907,430
1.00%, 11/15/19		9,000		8,816,117
1.00%, 11/30/19		500		489,493
1.13%, 12/31/19		1,168		1,144,777
1.13%, 03/31/20		1,640		1,601,068
1.13%, 04/30/20		8,296		8,088,600
1.13%, 02/28/21		5,000		4,811,092
1.13%, 06/30/21		8,100		7,747,958
1.13%, 07/31/21		8,000		7,640,847
1.13%, 09/30/21		2,000		1,904,529
1.25%, 04/30/19		3,000		2,969,592
1.25%, 05/31/19		10,000		9,889,967
1.25%, 10/31/19		9,000		8,857,337
1.25%, 01/31/20		10,200		10,007,826


Security	Principal (000s)		Value
1.25%, 02/29/20	$	3,921	$	3,842,580
1.25%, 03/31/21		10,600		10,223,929
1.25%, 10/31/21		10,000		9,553,203
1.25%, 07/31/23		9,500		8,810,494
1.38%, 01/31/20		8,500		8,360,309
1.38%, 02/29/20		5,000		4,912,257
1.38%, 03/31/20		6,000		5,887,908
1.38%, 04/30/20		12,900		12,646,884
1.38%, 05/31/20		7,000		6,853,574
1.38%, 08/31/20		13,000		12,691,636
1.38%, 10/31/20		3,000		2,922,520
1.38%, 01/31/21		8,000		7,764,442
1.38%, 04/30/21		900		870,272
1.38%, 05/31/21		2,400		2,317,519
1.38%, 06/30/23		5,000		4,675,670
1.38%, 08/31/23		11,000		10,257,576
1.38%, 09/30/23		6,100		5,681,564
1.50%, 02/28/19		3,200		3,181,125
1.50%, 03/31/19		5,000		4,967,333
1.50%, 05/31/19		17,000		16,866,335
1.50%, 10/31/19		1,400		1,383,582
1.50%, 11/30/19		9,000		8,886,722
1.50%, 04/15/20		9,000		8,851,870
1.50%, 05/31/20		26,800		26,317,351
1.50%, 06/15/20		2,000		1,963,268
1.50%, 02/28/23		19,000		17,973,536
1.50%, 03/31/23		4,000		3,779,993
1.50%, 08/15/26		9,000		8,077,159
1.63%, 03/31/19		5,200		5,172,548
1.63%, 04/30/19		2,800		2,783,960
1.63%, 06/30/19		8,000		7,944,193
1.63%, 07/31/19		3,500		3,473,449
1.63%, 08/31/19		8,950		8,875,051
1.63%, 12/31/19		16,000		15,821,125
1.63%, 03/15/20		4,100		4,045,835
1.63%, 06/30/20		3,000		2,951,349
1.63%, 07/31/20		1,750		1,720,482
1.63%, 10/15/20		7,500		7,358,108
1.63%, 08/15/22		8,000		7,670,427
1.63%, 08/31/22		1,000		957,969
1.63%, 11/15/22		9,019		8,618,766
1.63%, 04/30/23		9,500		9,020,780
1.63%, 05/31/23		3,000		2,845,679


Security	Principal (000s)		Value
1.63%, 02/15/26	$	15,100	$	13,785,952
1.63%, 05/15/26		13,000		11,829,492
1.75%, 09/30/19		5,750		5,709,292
1.75%, 10/31/20		400		393,438
1.75%, 12/31/20		6,000		5,892,875
1.75%, 02/28/22		194		187,965
1.75%, 03/31/22		2,200		2,129,851
1.75%, 04/30/22		8,000		7,736,997
1.75%, 05/15/22		4,000		3,867,931
1.75%, 06/30/22		8,000		7,720,625
1.75%, 09/30/22		11,000		10,584,424
1.75%, 01/31/23		12,200		11,697,834
1.75%, 05/15/23		4,445		4,245,114
1.88%, 06/30/20		2,500		2,473,534
1.88%, 11/30/21		6,000		5,859,330
1.88%, 01/31/22		9,000		8,768,713
1.88%, 02/28/22		3,000		2,920,418
1.88%, 03/31/22		6,000		5,835,685
1.88%, 04/30/22		4,000		3,886,562
1.88%, 07/31/22		13,000		12,598,486
1.88%, 08/31/22		10,500		10,171,801
1.88%, 09/30/22		5,000		4,837,565
1.88%, 10/31/22		9,000		8,703,146
1.88%, 08/31/24		2,000		1,894,068
2.00%, 07/31/20		4,550		4,512,703
2.00%, 09/30/20		16,000		15,852,913
2.00%, 11/30/20		11,080		10,964,224
2.00%, 02/28/21		4,950		4,888,303
2.00%, 05/31/21		2,000		1,970,300
2.00%, 08/31/21		9,000		8,843,878
2.00%, 10/31/21		11,000		10,793,779
2.00%, 11/15/21		8,000		7,850,675
2.00%, 12/31/21		6,500		6,367,969
2.00%, 07/31/22		7,000		6,825,460
2.00%, 11/30/22		13,200		12,825,714
2.00%, 02/15/23		8,345		8,092,215
2.00%, 04/30/24		1,000		957,234
2.00%, 05/31/24		8,000		7,649,808
2.00%, 06/30/24		8,000		7,644,375
2.00%, 02/15/25		12,000		11,386,831
2.00%, 08/15/25		14,800		13,981,422
2.00%, 11/15/26		10,900		10,166,303
2.13%, 08/31/20		18,120		18,017,015


Security	Principal (000s)		Value
2.13%, 01/31/21	$	7,000	$	6,941,935
2.13%, 06/30/21		2,600		2,569,809
2.13%, 08/15/21		17,295		17,074,950
2.13%, 09/30/21		5,000		4,931,074
2.13%, 12/31/21		4,250		4,184,215
2.13%, 06/30/22		13,500		13,239,104
2.13%, 12/31/22		7,400		7,225,463
2.13%, 11/30/23		7,000		6,779,856
2.13%, 02/29/24		4,800		4,635,329
2.13%, 03/31/24		6,000		5,789,754
2.13%, 07/31/24		6,000		5,772,170
2.13%, 09/30/24		2,000		1,920,659
2.13%, 11/30/24		6,000		5,752,990
2.13%, 05/15/25		10,800		10,312,412
2.25%, 03/31/21		9,300		9,245,469
2.25%, 04/30/21		1,000		993,694
2.25%, 01/31/24		4,800		4,672,290
2.25%, 11/15/24		14,000		13,531,338
2.25%, 11/15/25		16,000		15,351,125
2.25%, 02/15/27		16,300		15,487,756
2.25%, 08/15/27		8,500		8,053,141
2.25%, 11/15/27		9,500		8,988,670
2.38%, 12/31/20		5,100		5,096,017
2.38%, 08/15/24		6,900		6,736,841
2.38%, 05/15/27		6,500		6,234,627
2.50%, 08/15/23		2,040		2,020,079
2.50%, 05/15/24		8,025		7,908,080
2.63%, 08/15/20		4,500		4,528,523
2.63%, 11/15/20		6,875		6,918,159
2.75%, 11/15/23		7,150		7,164,314
2.75%, 02/15/28		10,000		9,898,304
3.13%, 05/15/19		10,000		10,115,210
3.13%, 05/15/21		8,600		8,770,856
3.38%, 11/15/19		6,993		7,125,646
3.50%, 05/15/20		6,353		6,513,571
3.63%, 08/15/19		4,590		4,683,395
3.63%, 02/15/20		2,010		2,061,600
3.63%, 02/15/21		756		781,822
6.00%, 02/15/26		7,000		8,592,241
6.38%, 08/15/27		2,500		3,228,618
6.50%, 11/15/26		4,000		5,127,944
6.63%, 02/15/27		5,500		7,151,533
6.75%, 08/15/26		1,000		1,295,601


Security	Principal or shares (000s)		Value
6.88%, 08/15/25	$	2,000	$	2,549,298
7.25%, 08/15/22		750		897,703
7.50%, 11/15/24		750		967,478
7.63%, 11/15/22		3,000		3,668,278
7.88%, 02/15/21		5,000		5,781,742
8.00%, 11/15/21		3,700		4,415,011
8.50%, 02/15/20		1,667		1,866,996
8.75%, 05/15/20		850		969,134
8.75%, 08/15/20		8,000		9,219,862

				1,079,384,348

TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS
(Cost: $1,167,759,287)				1,135,249,107

SHORT-TERM INVESTMENTS — 1.31%

MONEY MARKET FUNDS — 1.31%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^d,h,i		24,961		24,961,308

				24,961,308

TOTAL SHORT-TERM INVESTMENTS (Cost: $24,961,308)				24,961,308


TOTAL INVESTMENTS IN SECURITIES — 100.40%
(Cost: $1,955,463,514)				1,909,965,455
Other Assets, Less Liabilities — (0.40)%				(7,562,256	)

NET ASSETS — 100.00%			$	1,902,403,199

BAB — Build America Bond

GO — General Obligation

RB — Revenue Bond

Insured by:

AGM — Assured Guaranty Municipal Corp.

^a	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^b	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^c	All or a portion of this security is on loan.

^d	Affiliate of the Fund.

^e	Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently in effect.

^f	Investments are denominated in U.S. dollars.

^g	Zero-coupon bond.

^h	Annualized 7-day yield as of period end.

ⁱ	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 38.47%

ADVERTISING — 0.10%
Interpublic Group of Companies Inc. (The)
3.75%, 02/15/23	$	25	$	25,167
Omnicom Group Inc.
3.60%, 04/15/26 (Call 01/15/26)		25		24,417
3.63%, 05/01/22		25		25,306
3.65%, 11/01/24 (Call 08/01/24)		25		24,885
WPP Finance 2010
3.75%, 09/19/24		50		50,093

				149,868
AEROSPACE & DEFENSE — 0.58%
Boeing Co. (The)
3.38%, 06/15/46 (Call 12/15/45)		25		22,786
Embraer Netherlands Finance BV
5.05%, 06/15/25		100		104,302
Harris Corp.
4.40%, 12/15/20		25		25,855
4.85%, 04/27/35 (Call 10/27/34)		15		16,041
L3 Technologies Inc.
3.95%, 05/28/24 (Call 02/28/24)		18		18,226
Lockheed Martin Corp.
2.90%, 03/01/25 (Call 12/01/24)		25		24,033
3.60%, 03/01/35 (Call 09/01/34)		15		14,241
4.07%, 12/15/42		33		32,560
4.25%, 11/15/19		25		25,687
4.50%, 05/15/36 (Call 11/15/35)		25		26,553
Series B
6.15%, 09/01/36		25		31,381
Northrop Grumman Corp.
2.93%, 01/15/25 (Call 11/15/24)		35		33,598
3.25%, 01/15/28 (Call 10/15/27)		35		33,448
3.50%, 03/15/21		25		25,346
4.75%, 06/01/43		25		26,955
Northrop Grumman Systems Corp.
7.75%, 02/15/31		50		67,686
Raytheon Co.
4.20%, 12/15/44 (Call 06/15/44)		25		26,320
Rockwell Collins Inc.
3.20%, 03/15/24 (Call 01/15/24)		40		39,197
4.80%, 12/15/43 (Call 06/15/43)		50		54,107
United Technologies Corp.
3.10%, 06/01/22		50		49,856


Security	Principal (000s)		Value
3.13%, 05/04/27 (Call 02/04/27)	$	30	$	28,474
3.75%, 11/01/46 (Call 05/01/46)		25		22,955
4.50%, 06/01/42		50		51,445
6.05%, 06/01/36		26		31,692

				832,744
AGRICULTURE — 0.48%
Altria Group Inc.
2.95%, 05/02/23		25		24,584
5.38%, 01/31/44		35		40,118
Archer-Daniels-Midland Co.
4.54%, 03/26/42		25		25,979
BAT Capital Corp.
3.56%, 08/15/27 (Call 05/15/27)^a		125		119,524
4.39%, 08/15/37 (Call 02/15/37)^a		50		49,450
4.54%, 08/15/47 (Call 02/15/47)^a		25		24,296
Bunge Ltd. Finance Corp.
3.50%, 11/24/20 (Call 10/24/20)		45		45,379
Philip Morris International Inc.
1.88%, 11/01/19		50		49,329
2.50%, 08/22/22		25		24,237
2.63%, 03/06/23		75		72,766
4.88%, 11/15/43		25		27,032
6.38%, 05/16/38		25		32,373
Reynolds American Inc.
3.25%, 06/12/20		50		50,231
4.00%, 06/12/22		79		80,949
5.70%, 08/15/35 (Call 02/15/35)		25		28,465

				694,712
AIRLINES — 0.19%
American Airlines Pass Through Trust
Series 2014-1, Class A
3.70%, 04/01/28		104		103,116
Series 2015-1, Class A
3.38%, 11/01/28		26		25,673
Continental Airlines Inc. Pass Through Trust
Series 2012-2, Class A
4.00%, 04/29/26		12		12,189
Delta Air Lines Inc.
2.60%, 12/04/20		50		49,375
Southwest Airlines Co.
2.75%, 11/06/19 (Call 10/06/19)		35		34,998
3.45%, 11/16/27 (Call 08/16/27)		50		48,585

				273,936


Security	Principal (000s)		Value
APPAREL — 0.04%
NIKE Inc.
2.38%, 11/01/26 (Call 08/01/26)	$	25	$	23,077
3.88%, 11/01/45 (Call 05/01/45)		15		14,774
Ralph Lauren Corp.
2.63%, 08/18/20 (Call 07/18/20)		25		24,899

				62,750
AUTO MANUFACTURERS — 0.72%
American Honda Finance Corp.
1.20%, 07/12/19		17		16,683
2.00%, 02/14/20		50		49,372
2.30%, 09/09/26		30		27,450
2.65%, 02/12/21		50		49,779
Daimler Finance North America LLC
8.50%, 01/18/31		25		36,471
Ford Motor Co.
4.75%, 01/15/43		39		36,002
6.63%, 10/01/28		50		57,763
Ford Motor Credit Co. LLC
3.34%, 03/18/21		275		273,743
General Motors Co.
4.20%, 10/01/27 (Call 07/01/27)		25		24,652
4.88%, 10/02/23		116		121,561
5.00%, 04/01/35		25		25,066
6.25%, 10/02/43		25		27,905
General Motors Financial Co. Inc.
2.45%, 11/06/20		62		60,730
3.15%, 01/15/20 (Call 12/15/19)		50		50,080
3.20%, 07/13/20 (Call 06/13/20)		20		20,006
PACCAR Financial Corp.
2.80%, 03/01/21		25		25,013
Toyota Motor Credit Corp.
2.15%, 03/12/20		50		49,517
2.25%, 10/18/23		25		23,829
2.90%, 04/17/24		25		24,628
3.40%, 09/15/21		45		45,736

				1,045,986
AUTO PARTS & EQUIPMENT — 0.04%
BorgWarner Inc.
4.38%, 03/15/45 (Call 09/15/44)		25		24,489
Delphi Corp.
4.15%, 03/15/24 (Call 12/15/23)		35		35,880

				60,369


Security	Principal (000s)		Value
BANKS — 7.87%
Australia & New Zealand Banking Group Ltd./New York NY
2.25%, 06/13/19	$	50	$	49,727
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)		25		24,476
3.30%, 01/11/23		175		174,436
4.13%, 01/22/24		133		137,478
4.45%, 03/03/26		164		168,159
5.00%, 01/21/44		30		33,814
(3 mo. LIBOR US + 0.370%) 2.74%, 01/23/22 (Call 01/23/21)^b		75		74,232
(3 mo. LIBOR US + 0.660%) 2.37%, 07/21/21 (Call 07/21/20)^b		52		51,220
(3 mo. LIBOR US + 0.790%)
3.00%, 12/20/23 (Call 12/20/22)^a,b		139		136,005
(3 mo. LIBOR US + 0.930%) 2.82%, 07/21/23 (Call 07/21/22)^b		25		24,386
(3 mo. LIBOR US + 1.021%) 2.88%, 04/24/23 (Call 04/24/22)^b		80		78,476
(3 mo. LIBOR US + 1.190%) 3.95%, 01/23/49 (Call 01/23/48)^b		175		167,398
(3 mo. LIBOR US + 1.575%) 3.82%, 01/20/28 (Call 01/20/27)^b		50		49,609
(3 mo. LIBOR US + 1.814%) 4.24%, 04/24/38 (Call 04/24/37)^b		50		50,887
Bank of Montreal
1.50%, 07/18/19		25		24,580
1.75%, 09/11/19		50		49,349
1.90%, 08/27/21		85		81,751
Bank of New York Mellon Corp. (The)
2.05%, 05/03/21 (Call 04/03/21)		25		24,267
2.45%, 11/27/20 (Call 10/27/20)		75		74,033
2.95%, 01/29/23 (Call 12/29/22)		100		98,841
3.00%, 02/24/25 (Call 01/24/25)		25		24,261
3.40%, 01/29/28 (Call 10/29/27)		50		48,939
3.55%, 09/23/21 (Call 08/23/21)		70		71,175
3.65%, 02/04/24 (Call 01/05/24)		25		25,420
Bank of Nova Scotia (The)
2.05%, 06/05/19		80		79,448
4.38%, 01/13/21		120		124,840
4.50%, 12/16/25		50		51,163


Security	Principal (000s)		Value
Barclays Bank PLC
2.65%, 01/11/21 (Call 12/11/20)	$	77	$	76,021
Barclays PLC
3.65%, 03/16/25		200		192,628
BB&T Corp.
5.25%, 11/01/19		25		25,962
BNP Paribas SA
5.00%, 01/15/21		50		52,574
Canadian Imperial Bank of Commerce
2.70%, 02/02/21		75		74,297
Capital One Financial Corp.
2.40%, 10/30/20 (Call 09/30/20)		60		58,874
3.20%, 01/30/23 (Call 12/30/22)		50		49,064
3.50%, 06/15/23		50		49,964
3.75%, 04/24/24 (Call 03/24/24)		47		47,095
3.75%, 03/09/27 (Call 02/09/27)		75		72,865
4.75%, 07/15/21		90		94,234
Citigroup Inc.
2.50%, 07/29/19		80		79,729
2.70%, 03/30/21		145		143,283
3.70%, 01/12/26		50		49,682
3.75%, 06/16/24		100		100,835
3.88%, 03/26/25		50		49,819
4.13%, 07/25/28		25		24,821
5.30%, 05/06/44		50		55,424
5.50%, 09/13/25		25		27,339
(3 mo. LIBOR US + 0.722%) 3.14%, 01/24/23 (Call 01/24/22)^b		50		49,559
(3 mo. LIBOR US + 1.151%) 3.52%, 10/27/28 (Call 10/27/27)^b		60		57,863
(3 mo. LIBOR US + 1.168%) 3.88%, 01/24/39 (Call 01/24/38)^b		150		143,937
Citizens Bank N.A./Providence RI
2.25%, 03/02/20 (Call 02/03/20)		125		123,322
Citizens Financial Group Inc.
2.38%, 07/28/21 (Call 06/28/21)		50		48,732
Cooperatieve Rabobank UA
5.25%, 05/24/41		50		59,192
Credit Suisse AG/New York NY
5.40%, 01/14/20		50		52,056
Credit Suisse Group Funding Guernsey Ltd.
3.80%, 09/15/22		150		151,438


Security	Principal (000s)		Value
Deutsche Bank AG
2.95%, 08/20/20	$	50	$	49,530
4.10%, 01/13/26^c		65		63,677
Deutsche Bank AG/London
3.70%, 05/30/24		50		48,794
Fifth Third Bancorp.
2.88%, 07/27/20 (Call 06/27/20)		105		104,806
4.30%, 01/16/24 (Call 12/16/23)		25		25,837
Goldman Sachs Group Inc. (The)
2.35%, 11/15/21 (Call 11/15/20)		100		96,669
2.55%, 10/23/19		105		104,499
2.60%, 04/23/20 (Call 03/23/20)		45		44,677
2.75%, 09/15/20 (Call 08/15/20)		50		49,663
3.20%, 02/23/23 (Call 01/23/23)		25		24,608
3.50%, 11/16/26 (Call 11/16/25)		100		96,368
3.75%, 05/22/25 (Call 02/22/25)		33		32,856
4.75%, 10/21/45 (Call 04/21/45)		60		63,853
5.75%, 01/24/22		100		108,584
5.95%, 01/15/27		27		30,399
6.00%, 06/15/20		50		53,291
6.13%, 02/15/33		25		30,104
6.75%, 10/01/37		75		94,738
(3 mo. LIBOR US + 1.201%) 3.27%, 09/29/25 (Call 09/29/24)^b		50		48,237
(3 mo. LIBOR US + 1.373%) 4.02%, 10/31/38 (Call 10/31/37)^b		50		48,263
HSBC Holdings PLC
4.25%, 08/18/25		251		249,850
JPMorgan Chase & Co.
2.20%, 10/22/19		155		153,703
2.55%, 10/29/20 (Call 09/29/20)		100		99,049
2.95%, 10/01/26 (Call 07/01/26)		50		47,062
2.97%, 01/15/23 (Call 01/15/22)		100		98,419
3.13%, 01/23/25 (Call 10/23/24)		25		24,276
4.25%, 10/01/27		50		50,936
4.95%, 03/25/20		100		104,189
4.95%, 06/01/45		50		53,978
5.60%, 07/15/41		55		66,559
6.40%, 05/15/38		50		65,379
(3 mo. LIBOR US + 0.945%) 3.51%, 01/23/29 (Call 01/23/28)^b		50		48,460
(3 mo. LIBOR US + 1.220%) 3.90%, 01/23/49 (Call 01/23/48)^b		50		47,069


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.580%) 4.26%, 02/22/48 (Call 02/22/47)^b	$	50	$	49,951
KeyCorp
5.10%, 03/24/21		100		105,869
KfW
0.00%, 04/18/36^d		200		110,836
1.25%, 09/30/19		100		98,294
1.63%, 05/29/20		50		49,036
1.63%, 03/15/21		280		271,804
2.00%, 05/02/25		50		46,877
2.13%, 06/15/22		145		141,226
2.13%, 01/17/23		25		24,197
2.38%, 08/25/21		100		99,007
2.50%, 11/20/24		25		24,291
2.63%, 01/25/22		50		49,806
Landwirtschaftliche Rentenbank
1.38%, 10/23/19		40		39,366
2.00%, 01/13/25		25		23,494
2.38%, 06/10/25		125		120,045
Mitsubishi UFJ Financial Group Inc.
3.46%, 03/02/23		50		49,931
3.68%, 02/22/27		50		49,484
3.78%, 03/02/25		50		50,058
3.96%, 03/02/28		50		50,223
Morgan Stanley
2.75%, 05/19/22		25		24,446
3.13%, 01/23/23		50		49,261
3.13%, 07/27/26		75		71,205
3.95%, 04/23/27		50		49,185
4.10%, 05/22/23		30		30,541
4.30%, 01/27/45		50		50,000
4.35%, 09/08/26		76		77,312
4.38%, 01/22/47		25		25,334
5.50%, 07/28/21		120		128,780
(3 mo. LIBOR US + 1.140%) 3.77%, 01/24/29 (Call 01/24/28)^b		50		48,944
MUFG Americas Holdings Corp.
2.25%, 02/10/20 (Call 01/10/20)		25		24,658
3.50%, 06/18/22		50		50,233
Northern Trust Corp.
2.38%, 08/02/22		40		38,964
3.38%, 08/23/21		25		25,425
Oesterreichische Kontrollbank AG
1.38%, 02/10/20		50		48,980


Security	Principal (000s)		Value
PNC Bank N.A.
2.63%, 02/17/22 (Call 01/18/22)^e	$	250	$	245,107
Regions Financial Corp.
3.20%, 02/08/21 (Call 01/08/21)		50		50,158
Royal Bank of Canada
2.15%, 10/26/20		105		103,047
2.35%, 10/30/20		81		80,026
4.65%, 01/27/26		34		35,267
Santander Holdings USA Inc.
2.65%, 04/17/20 (Call 03/17/20)		25		24,798
4.50%, 07/17/25 (Call 04/17/25)		25		25,363
Santander UK PLC
2.38%, 03/16/20		100		98,759
4.00%, 03/13/24		56		57,058
State Street Corp.
4.38%, 03/07/21		25		26,070
Sumitomo Mitsui Financial Group Inc.
2.63%, 07/14/26		50		45,823
2.78%, 10/18/22		50		48,675
2.93%, 03/09/21		100		99,519
3.10%, 01/17/23		25		24,652
3.35%, 10/18/27^c		50		48,160
3.54%, 01/17/28		25		24,400
SunTrust Bank/Atlanta GA
3.00%, 02/02/23 (Call 01/02/23)		125		123,201
(3 mo. LIBOR US + 0.480%) 2.59%, 01/29/21 (Call 01/29/20)^b		25		24,889
Svenska Handelsbanken AB
1.88%, 09/07/21		120		114,792
1.95%, 09/08/20		65		63,430
Toronto-Dominion Bank (The)
2.13%, 07/02/19		100		99,409
2.50%, 12/14/20		25		24,767
2.55%, 01/25/21		50		49,542
U.S. Bancorp.
3.00%, 03/15/22 (Call 02/15/22)		105		104,980
Series V
2.38%, 07/22/26 (Call 06/22/26)		125		113,814
U.S. Bank N.A./Cincinnati OH
2.13%, 10/28/19 (Call 09/28/19)		90		89,203
Wells Fargo & Co.
2.55%, 12/07/20		155		152,969
2.60%, 07/22/20		115		114,074


Security	Principal (000s)		Value
3.50%, 03/08/22	$	125	$	125,951
3.90%, 05/01/45		75		72,214
4.10%, 06/03/26		50		50,082
4.48%, 01/16/24		25		26,084
4.65%, 11/04/44		100		102,298
4.90%, 11/17/45		50		52,986
Series N 2.15%, 01/30/20		40		39,436
Westpac Banking Corp.
2.10%, 05/13/21		30		29,130
2.50%, 06/28/22		100		97,060
2.65%, 01/25/21		25		24,754
3.35%, 03/08/27		55		53,377
(5 year USD ICE Swap + 2.236%) 4.32%, 11/23/31 (Call 11/23/26)^b		44		43,916

				11,363,664
BEVERAGES — 1.15%
Anheuser-Busch InBev Finance Inc.
3.30%, 02/01/23 (Call 12/01/22)		50		49,798
3.70%, 02/01/24		100		101,671
4.70%, 02/01/36 (Call 08/01/35)		250		262,755
Anheuser-Busch InBev Worldwide Inc.
2.50%, 07/15/22		20		19,452
3.75%, 07/15/42		11		10,013
5.00%, 04/15/20		70		73,153
5.38%, 01/15/20		121		126,618
6.88%, 11/15/19		85		90,776
8.00%, 11/15/39		50		74,211
8.20%, 01/15/39		43		64,541
Beam Suntory Inc.
3.25%, 05/15/22 (Call 02/15/22)		25		24,894
Coca-Cola Co. (The)
2.90%, 05/25/27		25		24,147
3.20%, 11/01/23		50		50,603
3.30%, 09/01/21		50		50,745
Constellation Brands Inc.
3.20%, 02/15/23 (Call 01/15/23)		150		148,386
3.70%, 12/06/26 (Call 09/06/26)		25		24,685
Diageo Capital PLC
4.83%, 07/15/20		50		52,318
5.88%, 09/30/36		25		31,575


Security	Principal (000s)		Value
Dr Pepper Snapple Group Inc.
3.43%, 06/15/27 (Call 03/15/27)	$	25	$	23,700
4.50%, 11/15/45 (Call 05/15/45)^a		40		39,258
Molson Coors Brewing Co.
5.00%, 05/01/42		50		52,952
PepsiCo Inc.
1.35%, 10/04/19		50		49,125
2.15%, 10/14/20 (Call 09/14/20)		93		91,717
2.75%, 04/30/25 (Call 01/30/25)		46		44,431
3.00%, 10/15/27 (Call 07/15/27)		50		48,055
4.00%, 05/02/47 (Call 11/02/46)		25		25,121

				1,654,700
BIOTECHNOLOGY — 0.62%
Amgen Inc.
2.25%, 08/19/23 (Call 06/19/23)		55		51,949
2.60%, 08/19/26 (Call 05/19/26)		50		45,781
3.13%, 05/01/25 (Call 02/01/25)		25		24,205
3.45%, 10/01/20		25		25,350
3.63%, 05/15/22 (Call 02/15/22)		75		76,032
4.66%, 06/15/51 (Call 12/15/50)		55		55,811
5.65%, 06/15/42 (Call 12/15/41)		25		29,335
6.40%, 02/01/39		25		31,619
Baxalta Inc.
5.25%, 06/23/45 (Call 12/23/44)		25		27,050
Biogen Inc.
2.90%, 09/15/20		30		29,968
4.05%, 09/15/25 (Call 06/15/25)		25		25,551
5.20%, 09/15/45 (Call 03/15/45)		25		27,195
Celgene Corp.
2.88%, 08/15/20		50		49,881
4.00%, 08/15/23		25		25,532
4.35%, 11/15/47 (Call 05/15/47)		50		47,028
5.00%, 08/15/45 (Call 02/15/45)		50		51,699
Gilead Sciences Inc.
2.35%, 02/01/20		25		24,837
2.55%, 09/01/20		40		39,726
3.25%, 09/01/22 (Call 07/01/22)		50		50,157
4.00%, 09/01/36 (Call 03/01/36)		45		44,472
4.40%, 12/01/21 (Call 09/01/21)		25		26,146
4.60%, 09/01/35 (Call 03/01/35)		50		53,175
5.65%, 12/01/41 (Call 06/01/41)		25		29,479

				891,978


Security	Principal (000s)		Value
BUILDING MATERIALS — 0.12%
Johnson Controls International PLC
5.13%, 09/14/45 (Call 03/14/45)	$	25	$	28,152
6.00%, 01/15/36		15		18,186
Martin Marietta Materials Inc.
3.50%, 12/15/27 (Call 09/15/27)		25		24,009
Masco Corp.
4.38%, 04/01/26 (Call 01/01/26)		30		30,764
Owens Corning
4.20%, 12/15/22 (Call 09/15/22)		25		25,670
4.40%, 01/30/48 (Call 07/30/47)		15		14,119
Vulcan Materials Co.
4.50%, 04/01/25 (Call 01/01/25)		25		25,923

				166,823
CHEMICALS — 0.56%
Agrium Inc.
4.90%, 06/01/43 (Call 12/01/42)		25		26,188
Celanese U.S. Holdings LLC
4.63%, 11/15/22		45		46,869
Dow Chemical Co. (The)
3.50%, 10/01/24 (Call 07/01/24)		25		24,888
4.25%, 11/15/20 (Call 08/15/20)		56		57,660
4.25%, 10/01/34 (Call 04/01/34)		25		25,165
5.25%, 11/15/41 (Call 05/15/41)		25		27,624
8.55%, 05/15/19		25		26,695
Eastman Chemical Co.
2.70%, 01/15/20 (Call 12/15/19)		50		49,925
3.60%, 08/15/22 (Call 05/15/22)		13		13,160
EI du Pont de Nemours & Co.
2.80%, 02/15/23		20		19,637
4.15%, 02/15/43		50		49,281
LYB International Finance BV
5.25%, 07/15/43		25		27,508
Monsanto Co.
4.40%, 07/15/44 (Call 01/15/44)		25		24,671
Mosaic Co. (The)
4.05%, 11/15/27 (Call 08/15/27)		25		24,340
4.25%, 11/15/23 (Call 08/15/23)		25		25,713
Potash Corp. of Saskatchewan Inc.
5.63%, 12/01/40		25		28,577
PPG Industries Inc.
3.60%, 11/15/20		50		51,000
3.75%, 03/15/28 (Call 12/15/27)		50		50,088


Security	Principal (000s)		Value
Praxair Inc.
2.25%, 09/24/20	$	25	$	24,746
2.45%, 02/15/22 (Call 11/15/21)		25		24,526
RPM International Inc.
4.25%, 01/15/48 (Call 07/15/47)		25		23,188
Sherwin-Williams Co. (The)
2.25%, 05/15/20		25		24,647
2.75%, 06/01/22 (Call 05/01/22)		25		24,397
4.50%, 06/01/47 (Call 12/01/46)		40		39,999
Syngenta Finance NV
3.13%, 03/28/22		26		25,079
Westlake Chemical Corp.
3.60%, 08/15/26 (Call 05/15/26)		25		24,355

				809,926
COMMERCIAL SERVICES — 0.37%
Automatic Data Processing Inc.
2.25%, 09/15/20 (Call 08/15/20)		65		64,317
3.38%, 09/15/25 (Call 06/15/25)		16		16,063
Block Financial LLC
4.13%, 10/01/20 (Call 09/01/20)		75		76,525
5.25%, 10/01/25 (Call 07/01/25)		25		26,086
Board of Trustees of The Leland Stanford Junior University (The)
3.65%, 05/01/48 (Call 11/01/47)		35		34,237
4.75%, 05/01/19		50		51,199
Cleveland Clinic Foundation (The)
4.86%, 01/01/14		25		25,992
Ecolab Inc.
4.35%, 12/08/21		27		28,204
Moody’s Corp.
2.75%, 07/15/19 (Call 06/15/19)		50		50,011
Northwestern University
3.66%, 12/01/57 (Call 06/01/57)		7		6,605
President and Fellows of Harvard College
3.15%, 07/15/46 (Call 01/15/46)		50		45,175
S&P Global Inc.
4.00%, 06/15/25 (Call 03/15/25)		25		25,591
University of Notre Dame du Lac
Series 2017 3.39%, 02/15/48 (Call 08/15/47)		30		27,896
Verisk Analytics Inc.
4.00%, 06/15/25 (Call 03/15/25)		25		25,094


Security	Principal (000s)		Value
Western Union Co. (The)
5.25%, 04/01/20	$	34	$	35,413

				538,408
COMPUTERS — 1.16%
Apple Inc.
1.10%, 08/02/19		50		49,080
2.00%, 11/13/20		25		24,585
2.40%, 01/13/23 (Call 12/13/22)		25		24,244
2.40%, 05/03/23		175		169,228
2.50%, 02/09/22 (Call 01/09/22)		100		98,403
2.50%, 02/09/25		53		50,160
2.75%, 01/13/25 (Call 11/13/24)		25		24,050
3.00%, 11/13/27 (Call 08/13/27)		25		23,901
3.20%, 05/11/27 (Call 02/11/27)		45		43,830
3.45%, 02/09/45		30		27,371
3.85%, 05/04/43		50		48,793
3.85%, 08/04/46 (Call 02/04/46)		65		62,980
4.25%, 02/09/47 (Call 08/09/46)		30		30,921
4.38%, 05/13/45		50		52,404
Dell International LLC/EMC Corp.
4.42%, 06/15/21 (Call 05/15/21)^a		100		102,081
6.02%, 06/15/26 (Call 03/15/26)^a		215		229,614
8.10%, 07/15/36 (Call 01/15/36)^a		25		30,667
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)		50		50,545
4.40%, 10/15/22 (Call 08/15/22)		20		20,724
4.90%, 10/15/25 (Call 07/15/25)		20		20,670
6.35%, 10/15/45 (Call 04/15/45)		25		26,338
HP Inc.
3.75%, 12/01/20		17		17,324
4.38%, 09/15/21		50		51,893
IBM Credit LLC
2.65%, 02/05/21		100		99,368
International Business Machines Corp.
1.88%, 05/15/19		50		49,690
3.38%, 08/01/23		35		35,280
4.70%, 02/19/46		40		45,087
6.22%, 08/01/27		25		30,311
8.38%, 11/01/19		25		27,325
Seagate HDD Cayman
4.25%, 03/01/22 (Call 02/01/22)^a		50		49,496
4.75%, 06/01/23		25		25,161


Security	Principal (000s)		Value
4.75%, 01/01/25	$	40	$	38,749

				1,680,273
COSMETICS & PERSONAL CARE — 0.11%
Procter & Gamble Co. (The)
2.15%, 08/11/22		31		30,011
3.10%, 08/15/23		55		55,154
5.55%, 03/05/37		30		37,639
Unilever Capital Corp.
5.90%, 11/15/32		25		31,397

				154,201
DISTRIBUTION & WHOLESALE — 0.02%
WW Grainger Inc.
4.60%, 06/15/45 (Call 12/15/44)		25		26,571

				26,571
DIVERSIFIED FINANCIAL SERVICES — 1.38%
Affiliated Managers Group Inc.
3.50%, 08/01/25		25		24,470
Air Lease Corp.
2.75%, 01/15/23 (Call 12/15/22)		135		130,480
4.75%, 03/01/20		50		51,742
American Express Co.
3.63%, 12/05/24 (Call 11/04/24)		100		100,016
4.05%, 12/03/42		25		24,794
American Express Credit Corp.
2.20%, 03/03/20 (Call 02/01/20)		75		74,030
2.38%, 05/26/20 (Call 04/25/20)		50		49,440
Series F
2.60%, 09/14/20 (Call 08/14/20)		30		29,725
Brookfield Finance Inc.
3.90%, 01/25/28 (Call 10/25/27)		50		48,644
Brookfield Finance LLC
4.00%, 04/01/24 (Call 02/01/24)		35		35,390
Cboe Global Markets Inc.
3.65%, 01/12/27 (Call 10/12/26)		40		39,428
Charles Schwab Corp. (The)
2.65%, 01/25/23 (Call 12/25/22)		25		24,395
3.20%, 03/02/27 (Call 12/02/26)		15		14,600
3.20%, 01/25/28 (Call 10/25/27)		25		24,149
3.45%, 02/13/26 (Call 11/13/25)		45		44,799
4.45%, 07/22/20		25		26,028
CME Group Inc.
5.30%, 09/15/43 (Call 03/15/43)		25		30,429


Security	Principal (000s)		Value
Credit Suisse USA Inc.
7.13%, 07/15/32	$	75	$	99,895
Discover Financial Services
3.75%, 03/04/25 (Call 12/04/24)		75		73,412
3.95%, 11/06/24 (Call 08/06/24)		25		24,978
Franklin Resources Inc.
2.85%, 03/30/25		25		24,184
Intercontinental Exchange Inc.
2.75%, 12/01/20 (Call 11/01/20)		50		49,788
International Lease Finance Corp.
8.25%, 12/15/20		95		106,897
Invesco Finance PLC
4.00%, 01/30/24		50		51,671
Lazard Group LLC
3.75%, 02/13/25		25		24,817
Mastercard Inc.
3.38%, 04/01/24		25		25,035
Nasdaq Inc.
5.55%, 01/15/20		50		52,327
National Rural Utilities Cooperative Finance Corp.
2.30%, 11/01/20 (Call 10/01/20)		25		24,664
2.35%, 06/15/20 (Call 05/15/20)		25		24,699
Nomura Holdings Inc.
6.70%, 03/04/20		155		165,983
ORIX Corp.
3.25%, 12/04/24		35		33,991
Raymond James Financial Inc.
3.63%, 09/15/26		25		24,414
Stifel Financial Corp.
4.25%, 07/18/24		17		17,098
Synchrony Financial
3.00%, 08/15/19 (Call 07/15/19)		50		50,024
3.70%, 08/04/26 (Call 05/04/26)		40		38,226
3.95%, 12/01/27 (Call 09/01/27)		50		48,083
4.25%, 08/15/24 (Call 05/15/24)		95		95,716
TD Ameritrade Holding Corp.
2.95%, 04/01/22 (Call 02/01/22)		50		49,672
3.30%, 04/01/27 (Call 01/01/27)		8		7,802
Visa Inc.
4.15%, 12/14/35 (Call 06/14/35)		60		63,218
4.30%, 12/14/45 (Call 06/14/45)		40		42,395

				1,991,548


Security	Principal (000s)		Value
ELECTRIC — 2.42%
AEP Transmission Co. LLC
3.75%, 12/01/47 (Call 06/01/47)^a	$	25	$	24,039
Ameren Corp.
2.70%, 11/15/20 (Call 10/15/20)		25		24,866
Ameren Illinois Co.
3.25%, 03/01/25 (Call 12/01/24)		25		24,707
Appalachian Power Co.
4.40%, 05/15/44 (Call 11/15/43)		25		26,118
Arizona Public Service Co.
4.35%, 11/15/45 (Call 05/15/45)		25		26,389
Avangrid Inc.
3.15%, 12/01/24 (Call 10/01/24)		50		48,521
Berkshire Hathaway Energy Co.
2.40%, 02/01/20 (Call 01/01/20)		25		24,862
3.75%, 11/15/23 (Call 08/15/23)		25		25,586
5.95%, 05/15/37		25		31,170
Black Hills Corp.
4.25%, 11/30/23 (Call 08/30/23)		25		25,795
CenterPoint Energy Houston Electric LLC
3.55%, 08/01/42 (Call 02/01/42)		30		28,331
4.50%, 04/01/44 (Call 10/01/43)		25		27,317
Consolidated Edison Co. of New York Inc.
4.45%, 03/15/44 (Call 09/15/43)		25		26,622
4.63%, 12/01/54 (Call 06/01/54)		25		26,878
Series 08-B
6.75%, 04/01/38		25		34,381
Consumers Energy Co.
3.38%, 08/15/23 (Call 05/15/23)		25		25,138
Dominion Energy Inc.
2.50%, 12/01/19 (Call 11/01/19)		50		49,603
3.63%, 12/01/24 (Call 09/01/24)		42		41,932
6.30%, 03/15/33		25		30,489
DTE Electric Co.
3.65%, 03/15/24 (Call 12/15/23)		25		25,674
3.70%, 06/01/46 (Call 12/01/45)		25		24,022
4.30%, 07/01/44 (Call 01/01/44)		25		26,336
DTE Energy Co.
1.50%, 10/01/19		10		9,810
Duke Energy Carolinas LLC
2.50%, 03/15/23 (Call 01/15/23)		25		24,265


Security	Principal (000s)		Value
2.95%, 12/01/26 (Call 09/01/26)	$	35	$	33,559
3.88%, 03/15/46 (Call 09/15/45)		25		24,671
5.30%, 02/15/40		100		119,040
Duke Energy Corp.
3.55%, 09/15/21 (Call 06/15/21)		35		35,518
3.95%, 08/15/47 (Call 02/15/47)		25		23,535
Duke Energy Florida LLC
6.35%, 09/15/37		25		32,994
Duke Energy Indiana LLC
6.45%, 04/01/39		25		33,379
Duke Energy Progress LLC
3.60%, 09/15/47 (Call 03/15/47)		15		14,069
4.10%, 03/15/43 (Call 09/15/42)		30		30,559
Enel Americas SA
4.00%, 10/25/26 (Call 07/25/26)		15		14,823
Entergy Arkansas Inc.
3.50%, 04/01/26 (Call 01/01/26)		50		49,901
3.75%, 02/15/21 (Call 11/15/20)		25		25,539
Entergy Louisiana LLC
3.25%, 04/01/28 (Call 01/01/28)		15		14,506
Eversource Energy
2.80%, 05/01/23 (Call 02/01/23)		25		24,261
Series H
3.15%, 01/15/25 (Call 10/15/24)		25		24,352
Series K
2.75%, 03/15/22 (Call 02/15/22)		25		24,621
Exelon Corp.
2.45%, 04/15/21 (Call 03/15/21)		25		24,511
3.50%, 06/01/22 (Call 05/01/22)		77		76,945
4.45%, 04/15/46 (Call 10/15/45)		25		25,463
4.95%, 06/15/35 (Call 12/15/34)		25		27,397
Exelon Generation Co. LLC
2.95%, 01/15/20 (Call 12/15/19)		65		64,983
5.60%, 06/15/42 (Call 12/15/41)		25		26,138
5.75%, 10/01/41 (Call 04/01/41)		25		26,454
6.25%, 10/01/39		25		27,955
FirstEnergy Corp.
Series B 4.25%, 03/15/23 (Call 12/15/22)		41		42,202
Series C 4.85%, 07/15/47 (Call 01/15/47)		25		26,219
Florida Power & Light Co.
2.75%, 06/01/23 (Call 12/01/22)		50		49,026


Security	Principal (000s)		Value
4.05%, 10/01/44 (Call 04/01/44)	$	25	$	25,501
5.69%, 03/01/40		25		31,239
Georgia Power Co.
2.00%, 03/30/20		50		49,286
Series 10-C 4.75%, 09/01/40		25		26,829
Hydro-Quebec
9.38%, 04/15/30		25		38,328
ITC Holdings Corp.
5.30%, 07/01/43 (Call 01/01/43)		25		28,455
Kansas City Power & Light Co.
3.65%, 08/15/25 (Call 05/15/25)		25		24,978
4.20%, 03/15/48 (Call 09/15/47)		25		25,224
Kentucky Utilities Co.
5.13%, 11/01/40 (Call 05/01/40)		15		17,503
Louisville Gas & Electric Co.
Series 25 3.30%, 10/01/25 (Call 07/01/25)		25		24,703
MidAmerican Energy Co.
4.25%, 05/01/46 (Call 11/01/45)		25		26,183
Nevada Power Co.
6.65%, 04/01/36		50		66,163
Northern States Power Co./MN
2.15%, 08/15/22 (Call 02/15/22)		25		24,082
2.20%, 08/15/20 (Call 07/15/20)		30		29,619
Oklahoma Gas & Electric Co.
4.15%, 04/01/47 (Call 10/01/46)		25		25,773
Oncor Electric Delivery Co. LLC
4.55%, 12/01/41 (Call 06/01/41)		25		27,114
7.00%, 09/01/22		36		41,561
Pacific Gas & Electric Co.
2.95%, 03/01/26 (Call 12/01/25)		25		23,318
3.40%, 08/15/24 (Call 05/15/24)		30		29,627
3.50%, 06/15/25 (Call 03/15/25)		15		14,683
4.75%, 02/15/44 (Call 08/15/43)		25		25,414
5.80%, 03/01/37		25		28,937
6.05%, 03/01/34		50		58,538
6.25%, 03/01/39		25		30,447
PacifiCorp
6.00%, 01/15/39		25		32,205
Pinnacle West Capital Corp.
2.25%, 11/30/20		50		49,109


Security	Principal (000s)		Value
Potomac Electric Power Co.
4.15%, 03/15/43 (Call 09/15/42)	$	25	$	25,681
PPL Capital Funding Inc.
3.10%, 05/15/26 (Call 02/15/26)		25		23,766
PSEG Power LLC
5.13%, 04/15/20		25		26,143
Public Service Co. of Colorado
4.30%, 03/15/44 (Call 09/15/43)		25		26,282
Public Service Electric & Gas Co.
2.38%, 05/15/23 (Call 02/15/23)		90		86,746
Puget Energy Inc.
5.63%, 07/15/22 (Call 04/15/22)		25		27,105
Puget Sound Energy Inc.
6.27%, 03/15/37		25		32,232
San Diego Gas & Electric Co.
Series NNN
3.60%, 09/01/23 (Call 06/01/23)		25		25,563
Series RRR
3.75%, 06/01/47 (Call 12/01/46)		25		24,339
South Carolina Electric & Gas Co.
5.10%, 06/01/65 (Call 12/01/64)		25		26,133
Southern California Edison Co.
3.88%, 06/01/21 (Call 03/01/21)		50		51,423
4.65%, 10/01/43 (Call 04/01/43)		25		27,290
Series 08-A
5.95%, 02/01/38		25		31,483
Southern Co. (The)
1.85%, 07/01/19		42		41,531
4.40%, 07/01/46 (Call 01/01/46)		25		25,061
Series B
(3 mo. LIBOR US + 3.630%)
5.50%, 03/15/57 (Call 03/15/22)^b		25		25,878
Southern Power Co.
Series F
4.95%, 12/15/46 (Call 06/15/46)		50		52,800
Southwestern Electric Power Co.
Series L
3.85%, 02/01/48 (Call 08/01/47)		25		23,893
TECO Finance Inc.
5.15%, 03/15/20		98		101,911
TransAlta Corp.
6.50%, 03/15/40		25		24,713
Tucson Electric Power Co.
3.05%, 03/15/25 (Call 12/15/24)		76		72,901


Security	Principal (000s)		Value
Union Electric Co.
3.50%, 04/15/24 (Call 01/15/24)	$	25	$	25,365
3.90%, 09/15/42 (Call 03/15/42)		25		24,843
Virginia Electric & Power Co.
4.20%, 05/15/45 (Call 11/15/44)		25		25,627
Series D
4.65%, 08/15/43 (Call 02/15/43)		25		27,293
Westar Energy Inc.
3.10%, 04/01/27 (Call 01/01/27)		70		67,868
Wisconsin Public Service Corp.
4.75%, 11/01/44 (Call 05/01/44)		20		22,462
Xcel Energy Inc.
3.30%, 06/01/25 (Call 12/01/24)		25		24,546
3.35%, 12/01/26 (Call 06/01/26)		25		24,482

				3,495,650
ELECTRICAL COMPONENTS & EQUIPMENT — 0.04%
Emerson Electric Co.
4.25%, 11/15/20		30		31,137
Legrand France SA
8.50%, 02/15/25		25		31,562

				62,699
ELECTRONICS — 0.34%
Agilent Technologies Inc.
5.00%, 07/15/20		50		52,347
Arrow Electronics Inc.
4.50%, 03/01/23 (Call 12/01/22)		50		51,509
Corning Inc.
2.90%, 05/15/22 (Call 03/15/22)		40		39,508
Flex Ltd.
4.75%, 06/15/25 (Call 03/15/25)		25		26,031
Fortive Corp.
3.15%, 06/15/26 (Call 03/15/26)		25		24,181
Honeywell International Inc.
3.81%, 11/21/47 (Call 05/21/47)		125		122,105
Jabil Inc.
3.95%, 01/12/28 (Call 10/12/27)		25		24,000
5.63%, 12/15/20		50		53,047
PerkinElmer Inc.
5.00%, 11/15/21 (Call 08/15/21)		50		52,372
Trimble Inc.
4.75%, 12/01/24 (Call 09/01/24)		25		26,205
Tyco Electronics Group SA
3.45%, 08/01/24 (Call 05/01/24)		25		25,215

				496,520


Security	Principal (000s)		Value
ENGINEERING & CONSTRUCTION — 0.15%
ABB Finance USA Inc.
2.88%, 05/08/22	$	25	$	24,913
Fluor Corp.
3.50%, 12/15/24 (Call 09/15/24)		190		190,855

				215,768
ENVIRONMENTAL CONTROL — 0.06%
Republic Services Inc.
3.20%, 03/15/25 (Call 12/15/24)		11		10,741
4.75%, 05/15/23 (Call 02/15/23)		25		26,531
5.70%, 05/15/41 (Call 11/15/40)		10		11,911
Waste Management Inc.
3.13%, 03/01/25 (Call 12/01/24)		25		24,414
4.10%, 03/01/45 (Call 09/01/44)		15		14,919

				88,516
FOOD — 0.52%
Conagra Brands Inc.
3.20%, 01/25/23 (Call 10/25/22)		25		24,828
7.00%, 10/01/28		25		30,076
General Mills Inc.
2.60%, 10/12/22 (Call 09/12/22)		50		48,308
Hershey Co. (The)
3.38%, 08/15/46 (Call 02/15/46)		40		35,648
4.13%, 12/01/20		25		25,934
Ingredion Inc.
3.20%, 10/01/26 (Call 07/01/26)		25		23,802
JM Smucker Co. (The)
3.50%, 03/15/25		65		64,483
Kellogg Co.
2.65%, 12/01/23		25		24,287
3.25%, 04/01/26		25		23,885
Koninklijke Ahold Delhaize NV
5.70%, 10/01/40		75		84,661
Kraft Heinz Foods Co.
2.80%, 07/02/20 (Call 06/02/20)		50		49,716
3.95%, 07/15/25 (Call 04/15/25)		25		24,746
5.00%, 07/15/35 (Call 01/15/35)		25		26,011
5.20%, 07/15/45 (Call 01/15/45)		25		25,473
6.50%, 02/09/40		50		59,373
Kroger Co. (The)
3.30%, 01/15/21 (Call 12/15/20)		50		50,336
4.45%, 02/01/47 (Call 08/01/46)		25		23,473


Security	Principal (000s)		Value
Sysco Corp.
3.30%, 07/15/26 (Call 04/15/26)	$	55	$	53,527
Tyson Foods Inc.
4.88%, 08/15/34 (Call 02/15/34)		50		53,712

				752,279
FOREST PRODUCTS & PAPER — 0.20%
Fibria Overseas Finance Ltd.
5.25%, 05/12/24		65		68,232
5.50%, 01/17/27		30		31,579
Georgia-Pacific LLC
8.00%, 01/15/24		25		30,998
International Paper Co.
3.65%, 06/15/24 (Call 03/15/24)		25		25,216
4.80%, 06/15/44 (Call 12/15/43)		95		99,180
7.30%, 11/15/39		25		33,563

				288,768
GAS — 0.26%
Atmos Energy Corp.
4.15%, 01/15/43 (Call 07/15/42)		25		25,410
CenterPoint Energy Resources Corp.
4.50%, 01/15/21 (Call 10/15/20)		25		25,825
Dominion Energy Gas Holdings LLC
2.80%, 11/15/20 (Call 10/15/20)		25		24,873
4.60%, 12/15/44 (Call 06/15/44)		15		15,542
KeySpan Corp.
5.80%, 04/01/35		25		29,514
National Fuel Gas Co.
3.95%, 09/15/27 (Call 06/15/27)		25		23,940
4.90%, 12/01/21 (Call 09/01/21)		25		25,802
NiSource Inc.
3.49%, 05/15/27 (Call 02/15/27)		50		48,963
4.38%, 05/15/47 (Call 11/15/46)		25		25,433
ONE Gas Inc.
4.66%, 02/01/44 (Call 08/01/43)		15		16,355
Sempra Energy
2.40%, 03/15/20 (Call 02/15/20)		50		49,482
3.75%, 11/15/25 (Call 08/15/25)		25		25,001
6.00%, 10/15/39		25		30,901
Southern California Gas Co.
2.60%, 06/15/26 (Call 03/15/26)		15		14,029

				381,070


Security	Principal (000s)		Value
HAND & MACHINE TOOLS — 0.02%
Kennametal Inc.
2.65%, 11/01/19 (Call 10/01/19)	$	25	$	24,849

				24,849
HEALTH CARE — PRODUCTS — 0.77%
Abbott Laboratories
2.80%, 09/15/20 (Call 08/15/20)		25		24,943
3.25%, 04/15/23 (Call 01/15/23)		50		49,691
3.75%, 11/30/26 (Call 08/30/26)		50		49,523
4.75%, 11/30/36 (Call 05/30/36)		50		53,449
4.90%, 11/30/46 (Call 05/30/46)		25		27,001
Baxter International Inc.
1.70%, 08/15/21 (Call 07/15/21)		50		47,793
Becton Dickinson and Co.
2.68%, 12/15/19		50		49,778
3.25%, 11/12/20		65		64,997
3.73%, 12/15/24 (Call 09/15/24)		40		39,428
5.00%, 11/12/40		35		36,537
Boston Scientific Corp.
2.85%, 05/15/20		20		19,941
3.85%, 05/15/25		25		25,132
4.00%, 03/01/28 (Call 12/01/27)		25		24,928
7.00%, 11/15/35		25		32,299
Covidien International Finance SA
4.20%, 06/15/20		50		51,497
Life Technologies Corp.
6.00%, 03/01/20		50		52,934
Medtronic Inc.
3.13%, 03/15/22 (Call 12/15/21)		75		75,105
3.50%, 03/15/25		100		99,897
4.50%, 03/15/42 (Call 09/15/41)		20		20,978
4.63%, 03/15/45		50		54,296
Stryker Corp.
4.38%, 05/15/44 (Call 11/15/43)		25		25,228
Thermo Fisher Scientific Inc.
3.15%, 01/15/23 (Call 10/15/22)		25		24,798
3.65%, 12/15/25 (Call 09/15/25)		50		49,785
4.50%, 03/01/21		25		26,062
Zimmer Biomet Holdings Inc.
3.15%, 04/01/22 (Call 02/01/22)		50		49,246
3.55%, 04/01/25 (Call 01/01/25)		38		36,910

				1,112,176


Security	Principal (000s)		Value
HEALTH CARE — SERVICES — 0.89%
Aetna Inc.
3.88%, 08/15/47 (Call 02/15/47)	$	50	$	44,278
6.75%, 12/15/37		15		19,415
Anthem Inc.
2.25%, 08/15/19		25		24,811
2.95%, 12/01/22 (Call 11/01/22)		25		24,501
3.65%, 12/01/27 (Call 09/01/27)		25		24,231
4.10%, 03/01/28		55		55,091
4.55%, 03/01/48		50		49,891
4.63%, 05/15/42		25		25,291
Ascension Health
3.95%, 11/15/46		25		24,871
Catholic Health Initiatives
4.35%, 11/01/42		25		22,866
Cigna Corp.
3.88%, 10/15/47 (Call 04/15/47)		25		22,221
4.00%, 02/15/22 (Call 11/15/21)		135		138,815
Coventry Health Care Inc.
5.45%, 06/15/21 (Call 03/15/21)		55		58,472
Howard Hughes Medical Institute
3.50%, 09/01/23		100		102,106
Humana Inc.
2.50%, 12/15/20		100		98,637
3.15%, 12/01/22 (Call 09/01/22)		25		24,780
4.63%, 12/01/42 (Call 06/01/42)		25		25,490
4.95%, 10/01/44 (Call 04/01/44)		25		26,471
Kaiser Foundation Hospitals
4.88%, 04/01/42		25		28,400
Laboratory Corp. of America Holdings
3.25%, 09/01/24 (Call 07/01/24)		50		48,696
3.75%, 08/23/22 (Call 05/23/22)		25		25,417
Memorial Sloan-Kettering Cancer Center
Series 2015
4.20%, 07/01/55		50		50,858
Quest Diagnostics Inc.
4.70%, 04/01/21		25		26,177
UnitedHealth Group Inc.
2.70%, 07/15/20		35		34,955
2.88%, 03/15/22 (Call 12/15/21)		25		24,844
3.45%, 01/15/27		55		54,458
3.75%, 07/15/25		88		89,230


Security	Principal (000s)		Value
4.75%, 07/15/45	$	50	$	55,170
5.80%, 03/15/36		25		30,863

				1,281,306
HOME FURNISHINGS — 0.02%
Leggett & Platt Inc.
3.50%, 11/15/27 (Call 08/15/27)		25		24,060

				24,060
HOUSEHOLD PRODUCTS & WARES — 0.03%
Clorox Co. (The)
3.05%, 09/15/22 (Call 06/15/22)		25		24,959
Kimberly-Clark Corp.
3.05%, 08/15/25		25		24,466

				49,425
HOUSEWARES — 0.13%
Newell Brands Inc.
4.00%, 12/01/24 (Call 09/01/24)		35		34,630
4.20%, 04/01/26 (Call 01/01/26)		100		98,974
5.50%, 04/01/46 (Call 10/01/45)		25		26,476
Tupperware Brands Corp.
4.75%, 06/01/21 (Call 03/01/21)		25		25,821

				185,901
INSURANCE — 1.32%
Aflac Inc.
3.63%, 11/15/24		45		45,373
Alleghany Corp.
4.95%, 06/27/22		10		10,592
Allied World Assurance Co. Holdings Ltd.
4.35%, 10/29/25 (Call 07/29/25)		25		24,724
Allstate Corp. (The)
4.50%, 06/15/43		15		15,945
5.55%, 05/09/35		50		58,619
Alterra Finance LLC
6.25%, 09/30/20		50		53,782
American International Group Inc.
3.38%, 08/15/20		100		100,725
3.90%, 04/01/26 (Call 01/01/26)		25		24,940
4.13%, 02/15/24		3		3,074
4.38%, 01/15/55 (Call 07/15/54)		25		23,354
4.80%, 07/10/45 (Call 01/10/45)		25		25,981
6.25%, 05/01/36		25		30,377
6.40%, 12/15/20		29		31,491


Security	Principal (000s)		Value
Aon PLC
3.88%, 12/15/25 (Call 09/15/25)	$	39	$	39,472
AXIS Specialty Finance PLC
4.00%, 12/06/27 (Call 09/06/27)		25		24,397
Berkshire Hathaway Inc.
3.40%, 01/31/22		50		50,945
4.50%, 02/11/43		15		16,230
Brighthouse Financial Inc.
3.70%, 06/22/27 (Call 03/22/27)^a		50		46,808
4.70%, 06/22/47 (Call 12/22/46)^a		25		23,305
Chubb INA Holdings Inc.
2.70%, 03/13/23		50		48,880
3.35%, 05/15/24		50		49,904
3.35%, 05/03/26 (Call 02/03/26)		15		14,800
4.35%, 11/03/45 (Call 05/03/45)		35		37,123
CNA Financial Corp.
3.95%, 05/15/24 (Call 02/15/24)		25		25,343
4.50%, 03/01/26 (Call 12/01/25)		10		10,326
Everest Reinsurance Holdings Inc.
4.87%, 06/01/44		25		24,972
Hartford Financial Services Group Inc. (The)
5.50%, 03/30/20		25		26,314
6.10%, 10/01/41		25		31,172
Lincoln National Corp.
3.63%, 12/12/26 (Call 09/15/26)		50		49,477
7.00%, 06/15/40		25		33,767
Loews Corp.
2.63%, 05/15/23 (Call 02/15/23)		50		48,348
Manulife Financial Corp.
4.15%, 03/04/26		31		31,706
Marsh & McLennan Companies Inc.
2.75%, 01/30/22 (Call 12/30/21)		41		40,319
3.50%, 06/03/24 (Call 03/03/24)		25		25,084
3.75%, 03/14/26 (Call 12/14/25)		60		60,266
MetLife Inc.
3.00%, 03/01/25		5		4,840
3.60%, 11/13/25 (Call 08/13/25)		60		60,097
4.05%, 03/01/45		70		67,973
4.60%, 05/13/46 (Call 11/13/45)		25		26,337
6.38%, 06/15/34		25		31,812
Series D
4.37%, 09/15/23		25		26,242


Security	Principal (000s)		Value
Montpelier Re Holdings Ltd.
4.70%, 10/15/22	$	30	$	30,925
Old Republic International Corp.
4.88%, 10/01/24 (Call 09/01/24)		25		26,228
Principal Financial Group Inc.
4.63%, 09/15/42		30		30,909
Progressive Corp. (The)
3.70%, 01/26/45		25		23,774
3.75%, 08/23/21		25		25,640
Prudential Financial Inc.
4.50%, 11/16/21		30		31,408
5.70%, 12/14/36		26		31,438
(3 mo. LIBOR US + 3.920%) 5.63%, 06/15/43 (Call 06/15/23)^b		80		84,849
Reinsurance Group of America Inc.
5.00%, 06/01/21		50		52,507
Travelers Companies Inc. (The)
3.90%, 11/01/20		34		34,883
4.60%, 08/01/43		25		27,252
Trinity Acquisition PLC
4.40%, 03/15/26 (Call 12/15/25)		25		25,495
Unum Group
5.63%, 09/15/20		50		53,087

				1,903,631
INTERNET — 0.40%
Alibaba Group Holding Ltd.
3.13%, 11/28/21 (Call 09/28/21)		50		49,994
4.00%, 12/06/37 (Call 06/06/37)		50		47,776
Amazon.com Inc.
2.50%, 11/29/22 (Call 08/29/22)		50		48,819
2.60%, 12/05/19 (Call 11/05/19)		75		75,016
3.88%, 08/22/37 (Call 02/22/37)^a		85		84,649
4.05%, 08/22/47 (Call 02/22/47)^a		25		24,846
4.95%, 12/05/44 (Call 06/05/44)		25		28,331
Booking Holdings Inc.
2.75%, 03/15/23 (Call 02/15/23)		75		72,656
eBay Inc.
2.15%, 06/05/20		50		49,316
2.60%, 07/15/22 (Call 04/15/22)		25		24,227
4.00%, 07/15/42 (Call 01/15/42)		25		22,239
Expedia Inc.
4.50%, 08/15/24 (Call 05/15/24)		30		30,355
5.00%, 02/15/26 (Call 11/15/25)		20		20,509

				578,733


Security	Principal (000s)		Value
IRON & STEEL — 0.09%
Vale Overseas Ltd.
6.88%, 11/21/36	$	110	$	132,361

				132,361
LEISURE TIME — 0.08%
Carnival Corp.
3.95%, 10/15/20		50		51,410
Harley-Davidson Inc.
3.50%, 07/28/25 (Call 04/28/25)		45		44,497
Royal Caribbean Cruises Ltd.
5.25%, 11/15/22		25		26,864

				122,771
LODGING — 0.03%
Marriott International Inc./MD
3.75%, 10/01/25 (Call 07/01/25)		25		25,005
Wyndham Worldwide Corp.
4.25%, 03/01/22 (Call 12/01/21)		20		20,075

				45,080
MACHINERY — 0.44%
Caterpillar Financial Services Corp.
1.85%, 09/04/20		60		58,583
2.00%, 03/05/20		57		56,228
Caterpillar Inc.
3.90%, 05/27/21		25		25,780
4.75%, 05/15/64 (Call 11/15/63)		25		27,859
CNH Industrial Capital LLC
4.38%, 04/05/22		100		102,201
4.88%, 04/01/21		50		51,874
Cummins Inc.
4.88%, 10/01/43 (Call 04/01/43)		25		27,961
Deere & Co.
2.60%, 06/08/22 (Call 03/08/22)		50		49,097
3.90%, 06/09/42 (Call 12/09/41)		25		25,515
5.38%, 10/16/29		40		46,753
John Deere Capital Corp.
3.35%, 06/12/24		32		32,088
3.90%, 07/12/21		25		25,792
Rockwell Automation Inc.
2.88%, 03/01/25 (Call 12/01/24)		35		33,599
Roper Technologies Inc.
3.00%, 12/15/20 (Call 11/15/20)		50		50,058
Wabtec Corp./DE
3.45%, 11/15/26 (Call 08/15/26)		25		23,770

				637,158


Security	Principal (000s)		Value
MANUFACTURING — 0.36%
3M Co.
2.25%, 03/15/23 (Call 02/15/23)	$	25	$	24,146
2.88%, 10/15/27 (Call 07/15/27)		25		23,879
3.88%, 06/15/44		15		15,004
Carlisle Companies Inc.
3.75%, 11/15/22 (Call 08/15/22)		25		25,326
Eaton Corp.
4.00%, 11/02/32		25		24,790
4.15%, 11/02/42		15		14,789
General Electric Co.
3.38%, 03/11/24		58		57,014
4.38%, 09/16/20		50		51,562
4.50%, 03/11/44		75		74,254
4.65%, 10/17/21		36		37,680
5.88%, 01/14/38		25		29,278
Illinois Tool Works Inc.
3.38%, 09/15/21 (Call 06/15/21)		25		25,361
4.88%, 09/15/41 (Call 03/15/41)		25		28,518
Ingersoll-Rand Luxembourg Finance SA
4.65%, 11/01/44 (Call 05/01/44)		15		15,762
Parker-Hannifin Corp.
3.30%, 11/21/24 (Call 08/21/24)		25		24,854
4.20%, 11/21/34 (Call 05/21/34)		25		25,972
Textron Inc.
4.30%, 03/01/24 (Call 12/01/23)		25		25,863

				524,052
MEDIA — 1.33%
21st Century Fox America Inc.
3.70%, 09/15/24 (Call 06/15/24)		42		42,716
4.95%, 10/15/45 (Call 04/15/45)		15		16,677
6.20%, 12/15/34		50		61,952
6.40%, 12/15/35		90		113,830
CBS Corp.
2.90%, 01/15/27 (Call 10/15/26)		15		13,687
3.70%, 08/15/24 (Call 05/15/24)		25		24,927
4.85%, 07/01/42 (Call 01/01/42)		25		24,928
4.90%, 08/15/44 (Call 02/15/44)		15		15,369
7.88%, 07/30/30		25		32,935
Charter Communications Operating LLC/Charter Communications Operating Capital
3.58%, 07/23/20 (Call 06/23/20)		50		50,370


Security	Principal (000s)		Value
4.20%, 03/15/28 (Call 12/15/27)	$	25	$	23,971
4.46%, 07/23/22 (Call 05/23/22)		80		81,849
4.91%, 07/23/25 (Call 04/23/25)		50		51,383
Comcast Cable Communications Holdings Inc.
9.46%, 11/15/22		50		63,499
Comcast Corp.
2.85%, 01/15/23		50		49,212
3.38%, 02/15/25 (Call 11/15/24)		21		20,702
3.60%, 03/01/24		20		20,188
3.97%, 11/01/47 (Call 05/01/47)		104		97,206
4.00%, 11/01/49 (Call 05/01/49)		57		53,009
4.05%, 11/01/52 (Call 05/01/52)		31		28,945
4.25%, 01/15/33		35		35,824
6.40%, 05/15/38		7		8,872
Discovery Communications LLC
2.95%, 03/20/23 (Call 02/20/23)		80		77,330
5.00%, 09/20/37 (Call 03/20/37)		50		49,907
Grupo Televisa SAB
6.63%, 03/18/25		100		113,752
RELX Capital Inc.
3.13%, 10/15/22 (Call 07/15/22)		25		24,644
Scripps Networks Interactive Inc.
2.75%, 11/15/19 (Call 10/15/19)		62		61,725
2.80%, 06/15/20 (Call 05/15/20)		25		24,791
Thomson Reuters Corp.
3.85%, 09/29/24 (Call 06/29/24)		25		25,021
Time Warner Cable LLC
4.00%, 09/01/21 (Call 06/01/21)		50		50,612
5.00%, 02/01/20		50		51,721
5.50%, 09/01/41 (Call 03/01/41)		25		25,289
5.88%, 11/15/40 (Call 05/15/40)		25		26,546
7.30%, 07/01/38		25		30,205
Time Warner Entertainment Co. LP
8.38%, 03/15/23		25		29,959
Time Warner Inc.
3.55%, 06/01/24 (Call 03/01/24)		25		24,759
3.60%, 07/15/25 (Call 04/15/25)		25		24,330
4.65%, 06/01/44 (Call 12/01/43)		15		14,672
4.88%, 03/15/20		70		72,616
5.38%, 10/15/41		25		26,763
Viacom Inc.
4.25%, 09/01/23 (Call 06/01/23)		85		87,162


Security	Principal (000s)		Value
5.25%, 04/01/44 (Call 10/01/43)	$	25	$	25,398
5.85%, 09/01/43 (Call 03/01/43)		25		27,376
Walt Disney Co. (The)
3.00%, 02/13/26		50		48,862
3.70%, 12/01/42		40		38,831

				1,914,322
METAL FABRICATE & HARDWARE — 0.04%
Precision Castparts Corp.
3.25%, 06/15/25 (Call 03/15/25)		50		49,706
4.38%, 06/15/45 (Call 12/15/44)		10		10,595

				60,301
MINING — 0.20%
Barrick North America Finance LLC
5.75%, 05/01/43		35		41,483
BHP Billiton Finance USA Ltd.
5.00%, 09/30/43		25		28,800
Goldcorp Inc.
3.70%, 03/15/23 (Call 12/15/22)		25		25,147
Newmont Mining Corp.
6.25%, 10/01/39		25		30,586
Rio Tinto Alcan Inc.
7.25%, 03/15/31		25		31,985
Southern Copper Corp.
3.88%, 04/23/25		50		50,267
5.88%, 04/23/45		25		28,718
6.75%, 04/16/40		25		31,292
Yamana Gold Inc.
4.95%, 07/15/24 (Call 04/15/24)		25		25,854

				294,132
OFFICE & BUSINESS EQUIPMENT — 0.05%
Pitney Bowes Inc.
4.63%, 03/15/24 (Call 12/15/23)^c		25		23,282
Xerox Corp.
3.63%, 03/15/23 (Call 02/15/23)		50		48,824

				72,106
OIL & GAS — 2.45%
Anadarko Petroleum Corp.
4.85%, 03/15/21 (Call 02/15/21)		25		26,065
Apache Corp.
2.63%, 01/15/23 (Call 10/15/22)		25		23,977
3.25%, 04/15/22 (Call 01/15/22)		25		24,791
4.25%, 01/15/44 (Call 07/15/43)		25		23,080
4.75%, 04/15/43 (Call 10/15/42)		50		49,366


Security	Principal (000s)		Value
BP Capital Markets PLC
2.52%, 01/15/20	$	25	$	24,896
3.06%, 03/17/22		65		65,008
3.22%, 11/28/23 (Call 09/28/23)		25		24,844
3.25%, 05/06/22		75		75,429
4.74%, 03/11/21		75		78,764
Canadian Natural Resources Ltd.
3.85%, 06/01/27 (Call 03/01/27)		50		49,100
Cenovus Energy Inc.
3.00%, 08/15/22 (Call 05/15/22)		50		48,613
5.40%, 06/15/47 (Call 12/15/46)		50		50,183
Chevron Corp.
1.56%, 05/16/19		50		49,480
2.42%, 11/17/20 (Call 10/17/20)		50		49,545
2.95%, 05/16/26 (Call 02/16/26)		40		38,394
3.19%, 06/24/23 (Call 03/24/23)		40		40,060
3.33%, 11/17/25 (Call 08/17/25)		45		44,752
Cimarex Energy Co.
4.38%, 06/01/24 (Call 03/01/24)		43		44,546
ConocoPhillips Co.
2.40%, 12/15/22 (Call 09/15/22)		25		24,168
3.35%, 05/15/25 (Call 02/15/25)^c		15		14,931
4.15%, 11/15/34 (Call 05/15/34)		110		111,036
4.30%, 11/15/44 (Call 05/15/44)		50		51,450
Devon Energy Corp.
3.25%, 05/15/22 (Call 02/15/22)		75		74,434
5.00%, 06/15/45 (Call 12/15/44)		25		26,127
5.60%, 07/15/41 (Call 01/15/41)		25		27,945
Ecopetrol SA
5.38%, 06/26/26 (Call 03/26/26)		25		26,364
5.88%, 09/18/23		25		27,112
Encana Corp.
7.38%, 11/01/31		50		62,853
EOG Resources Inc.
3.90%, 04/01/35 (Call 10/01/34)		25		24,710
4.10%, 02/01/21		25		25,690
EQT Corp.
2.50%, 10/01/20 (Call 09/01/20)		25		24,566
3.90%, 10/01/27 (Call 07/01/27)		25		23,855
Exxon Mobil Corp.
3.04%, 03/01/26 (Call 12/01/25)		90		87,877
4.11%, 03/01/46 (Call 09/01/45)		15		15,638
Hess Corp.
5.60%, 02/15/41		25		25,709


Security	Principal (000s)		Value
6.00%, 01/15/40	$	25	$	26,451
HollyFrontier Corp.
5.88%, 04/01/26 (Call 01/01/26)		25		26,964
Kerr-McGee Corp.
6.95%, 07/01/24		65		75,371
7.88%, 09/15/31		50		64,874
Marathon Oil Corp.
2.70%, 06/01/20 (Call 05/01/20)		50		49,522
Marathon Petroleum Corp.
4.75%, 09/15/44 (Call 03/15/44)		50		49,115
Nexen Energy ULC
5.88%, 03/10/35		25		29,233
7.50%, 07/30/39		30		42,164
Noble Energy Inc.
4.15%, 12/15/21 (Call 09/15/21)		15		15,388
5.25%, 11/15/43 (Call 05/15/43)		25		26,612
6.00%, 03/01/41 (Call 09/01/40)		35		40,352
Occidental Petroleum Corp. Series 1
4.10%, 02/01/21 (Call 11/01/20)		82		84,830
Petroleos Mexicanos
3.50%, 01/30/23		50		48,141
4.50%, 01/23/26		100		96,888
4.63%, 09/21/23		25		25,116
4.88%, 01/18/24		50		50,824
5.50%, 01/21/21		50		52,342
5.50%, 06/27/44		50		44,858
5.63%, 01/23/46		70		62,812
6.00%, 03/05/20		32		33,600
6.38%, 02/04/21		25		26,744
6.38%, 01/23/45		75		72,962
6.50%, 03/13/27^a		25		26,701
6.50%, 06/02/41		50		49,500
6.75%, 09/21/47		122		124,000
Phillips 66
4.65%, 11/15/34 (Call 05/15/34)		25		26,198
4.88%, 11/15/44 (Call 05/15/44)		25		26,296
Pioneer Natural Resources Co.
3.95%, 07/15/22 (Call 04/15/22)		50		51,007
Shell International Finance BV
2.13%, 05/11/20		25		24,690
2.25%, 11/10/20		50		49,275
2.25%, 01/06/23		25		24,005


Security	Principal (000s)		Value
2.88%, 05/10/26	$	55	$	52,750
3.63%, 08/21/42		50		46,588
4.55%, 08/12/43		50		53,663
Statoil ASA
2.25%, 11/08/19		25		24,860
3.15%, 01/23/22		25		25,095
4.80%, 11/08/43		50		56,259
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)		25		24,981
5.35%, 07/15/33		25		28,214
6.50%, 06/15/38		30		38,699
Total Capital Canada Ltd.
2.75%, 07/15/23		25		24,479
Total Capital International SA
3.75%, 04/10/24		50		51,182
Total Capital SA
4.13%, 01/28/21		125		129,306
Valero Energy Corp.
4.90%, 03/15/45		25		26,549

				3,534,818
OIL & GAS SERVICES — 0.17%
Halliburton Co.
3.80%, 11/15/25 (Call 08/15/25)		45		45,068
4.85%, 11/15/35 (Call 05/15/35)		30		32,135
5.00%, 11/15/45 (Call 05/15/45)		50		54,004
National Oilwell Varco Inc.
2.60%, 12/01/22 (Call 09/01/22)		50		47,802
3.95%, 12/01/42 (Call 06/01/42)		25		21,717
Schlumberger Investment SA
3.65%, 12/01/23 (Call 09/01/23)		25		25,454
TechnipFMC PLC
3.45%, 10/01/22 (Call 07/01/22)^a		25		24,503

				250,683
PACKAGING & CONTAINERS — 0.13%
Bemis Co. Inc.
3.10%, 09/15/26 (Call 06/15/26)		25		23,283
Packaging Corp. of America
3.65%, 09/15/24 (Call 06/15/24)		35		35,163
WestRock MWV LLC
7.95%, 02/15/31		25		33,769
WestRock RKT Co.
3.50%, 03/01/20		100		101,134

				193,349


Security	Principal (000s)		Value
PHARMACEUTICALS — 1.33%
AbbVie Inc.
2.85%, 05/14/23 (Call 03/14/23)	$	40	$	38,841
3.20%, 05/14/26 (Call 02/14/26)		79		75,430
4.30%, 05/14/36 (Call 11/14/35)		25		25,043
4.40%, 11/06/42		38		37,684
4.45%, 05/14/46 (Call 11/14/45)		25		24,944
Allergan Funding SCS
3.85%, 06/15/24 (Call 03/15/24)		50		50,029
4.55%, 03/15/35 (Call 09/15/34)		25		24,935
4.75%, 03/15/45 (Call 09/15/44)		34		33,780
Allergan Inc./U.S.
3.38%, 09/15/20		10		10,054
AmerisourceBergen Corp.
4.25%, 03/01/45 (Call 09/01/44)		25		23,353
AstraZeneca PLC
2.38%, 11/16/20		50		49,333
4.00%, 09/18/42		25		23,843
Bristol-Myers Squibb Co.
2.00%, 08/01/22		25		23,936
4.50%, 03/01/44 (Call 09/01/43)		25		27,064
Cardinal Health Inc.
3.75%, 09/15/25 (Call 06/15/25)		35		34,485
4.37%, 06/15/47 (Call 12/15/46)		25		23,545
CVS Health Corp.
2.75%, 12/01/22 (Call 09/01/22)		69		66,473
2.80%, 07/20/20 (Call 06/20/20)		28		27,796
3.50%, 07/20/22 (Call 05/20/22)		25		24,911
5.13%, 07/20/45 (Call 01/20/45)		75		78,371
Eli Lilly & Co.
3.95%, 05/15/47 (Call 11/15/46)		15		15,132
Express Scripts Holding Co.
2.25%, 06/15/19		50		49,691
3.40%, 03/01/27 (Call 12/01/26)		50		47,379
4.75%, 11/15/21		20		20,969
4.80%, 07/15/46 (Call 01/15/46)		25		25,038
GlaxoSmithKline Capital Inc.
6.38%, 05/15/38		50		66,375
Johnson & Johnson
2.63%, 01/15/25 (Call 11/15/24)		50		48,349
3.55%, 03/01/36 (Call 09/01/35)		35		34,455
3.63%, 03/03/37 (Call 09/03/36)		55		54,365
3.70%, 03/01/46 (Call 09/01/45)		30		29,331


Security	Principal (000s)		Value
3.75%, 03/03/47 (Call 09/03/46)	$	15	$	14,772
5.95%, 08/15/37		40		51,957
Mead Johnson Nutrition Co.
4.90%, 11/01/19		25		25,829
5.90%, 11/01/39		40		47,376
Merck & Co. Inc.
2.40%, 09/15/22 (Call 06/15/22)		20		19,536
2.75%, 02/10/25 (Call 11/10/24)		100		96,567
3.60%, 09/15/42 (Call 03/15/42)		25		23,894
3.70%, 02/10/45 (Call 08/10/44)		75		72,895
3.88%, 01/15/21 (Call 10/15/20)		20		20,611
Mylan Inc.
5.40%, 11/29/43 (Call 05/29/43)		25		25,932
Novartis Capital Corp.
2.40%, 05/17/22 (Call 04/17/22)		25		24,474
3.00%, 11/20/25 (Call 08/20/25)		25		24,425
4.00%, 11/20/45 (Call 05/20/45)		30		30,583
Pfizer Inc.
3.40%, 05/15/24		110		111,176
4.13%, 12/15/46		15		15,444
4.40%, 05/15/44		25		26,658
Shire Acquisitions Investments Ireland DAC
2.40%, 09/23/21 (Call 08/23/21)		100		96,602
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)		25		23,480
3.25%, 02/01/23 (Call 11/01/22)		25		24,792
4.50%, 11/13/25 (Call 08/13/25)		25		26,423

				1,918,360
PIPELINES — 1.43%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
5.20%, 12/01/47 (Call 06/01/47)		5		4,877
5.25%, 01/15/25 (Call 01/15/21)		30		30,784
Boardwalk Pipelines LP
4.95%, 12/15/24 (Call 09/15/24)		25		25,815
Buckeye Partners LP
4.15%, 07/01/23 (Call 04/01/23)		25		25,124
5.60%, 10/15/44 (Call 04/15/44)		15		15,206
Columbia Pipeline Group Inc.
4.50%, 06/01/25 (Call 03/01/25)		50		51,541
Enable Midstream Partners LP
3.90%, 05/15/24 (Call 02/15/24)		50		49,230


Security	Principal (000s)		Value
5.00%, 05/15/44 (Call 11/15/43)	$	15	$	14,249
Enbridge Energy Partners LP
7.38%, 10/15/45 (Call 04/15/45)		25		32,733
Enbridge Inc.
3.50%, 06/10/24 (Call 03/10/24)		50		49,185
Energy Transfer LP
4.15%, 10/01/20 (Call 08/01/20)		50		51,064
4.90%, 03/15/35 (Call 09/15/34)		25		23,942
EnLink Midstream Partners LP
5.05%, 04/01/45 (Call 10/01/44)		25		23,680
Enterprise Products Operating LLC
3.35%, 03/15/23 (Call 12/15/22)		25		24,946
3.75%, 02/15/25 (Call 11/15/24)		35		35,187
3.95%, 02/15/27 (Call 11/15/26)^c		50		50,527
4.25%, 02/15/48 (Call 08/15/47)		25		23,997
4.45%, 02/15/43 (Call 08/15/42)		75		74,230
Series E
(3 mo. LIBOR US + 3.033%)
5.25%, 08/16/77 (Call 08/16/27)^b		50		48,359
EQT Midstream Partners LP
4.00%, 08/01/24 (Call 05/01/24)		25		24,483
Kinder Morgan Energy Partners LP
4.25%, 09/01/24 (Call 06/01/24)		50		50,638
5.00%, 10/01/21 (Call 07/01/21)		50		52,486
5.30%, 09/15/20		25		26,263
5.40%, 09/01/44 (Call 03/01/44)		50		50,930
5.63%, 09/01/41		25		26,008
Kinder Morgan Inc./DE
5.30%, 12/01/34 (Call 06/01/34)		35		35,908
5.55%, 06/01/45 (Call 12/01/44)		50		52,509
Magellan Midstream Partners LP
4.20%, 10/03/47 (Call 04/03/47)		25		24,074
4.25%, 02/01/21		20		20,605
MPLX LP
4.88%, 06/01/25 (Call 03/01/25)		25		26,259
5.50%, 02/15/23 (Call 04/02/18)		50		51,407
ONEOK Partners LP
5.00%, 09/15/23 (Call 06/15/23)		50		52,902
6.13%, 02/01/41 (Call 08/01/40)		25		28,845
Phillips 66 Partners LP
3.75%, 03/01/28 (Call 12/01/27)		50		48,469
Plains All American Pipeline LP/PAA Finance Corp.
2.60%, 12/15/19 (Call 11/15/19)		50		49,390


Security	Principal (000s)		Value
4.50%, 12/15/26 (Call 09/15/26)	$	50	$	49,591
4.90%, 02/15/45 (Call 08/15/44)		40		37,490
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)		50		49,043
Spectra Energy Capital LLC
3.30%, 03/15/23 (Call 03/27/18)		20		20,351
Spectra Energy Partners LP
3.38%, 10/15/26 (Call 07/15/26)		85		80,975
Sunoco Logistics Partners Operations LP
4.00%, 10/01/27 (Call 07/01/27)		50		47,731
5.40%, 10/01/47 (Call 04/01/47)		50		48,959
5.95%, 12/01/25 (Call 09/01/25)		70		76,401
TransCanada PipeLines Ltd.
3.80%, 10/01/20		49		50,117
4.63%, 03/01/34 (Call 12/01/33)		5		5,301
5.85%, 03/15/36		15		18,023
6.10%, 06/01/40		25		31,126
Transcontinental Gas Pipe Line Co. LLC
5.40%, 08/15/41 (Call 02/15/41)		15		16,884
7.85%, 02/01/26 (Call 11/01/25)		10		12,452
Western Gas Partners LP
4.00%, 07/01/22 (Call 04/01/22)		50		50,137
Williams Partners LP
3.75%, 06/15/27 (Call 03/15/27)		55		53,465
4.30%, 03/04/24 (Call 12/04/23)		50		51,213
5.10%, 09/15/45 (Call 03/15/45)		20		20,678
5.25%, 03/15/20		44		45,910
6.30%, 04/15/40		20		23,647

				2,065,346

REAL ESTATE — 0.07%
Brookfield Asset Management Inc.
4.00%, 01/15/25 (Call 10/15/24)		20		20,026
CBRE Services Inc.
4.88%, 03/01/26 (Call 12/01/25)		50		52,572
Prologis LP
4.25%, 08/15/23 (Call 05/15/23)		25		26,138

				98,736

REAL ESTATE INVESTMENT TRUSTS — 1.58%
Alexandria Real Estate Equities Inc.
4.60%, 04/01/22 (Call 01/01/22)		50		52,244


Security	Principal (000s)		Value
American Campus Communities Operating Partnership LP
3.75%, 04/15/23 (Call 01/15/23)	$	25	$	25,088
American Tower Corp.
2.80%, 06/01/20 (Call 05/01/20)		25		24,869
3.00%, 06/15/23		25		24,378
3.45%, 09/15/21		25		25,164
3.50%, 01/31/23		82		81,951
3.60%, 01/15/28 (Call 10/15/27)		25		23,785
AvalonBay Communities Inc.
2.90%, 10/15/26 (Call 07/15/26)		25		23,588
2.95%, 09/15/22 (Call 06/15/22)		50		49,447
Boston Properties LP
3.85%, 02/01/23 (Call 11/01/22)		52		53,250
4.13%, 05/15/21 (Call 02/15/21)		25		25,800
Brixmor Operating Partnership LP
3.90%, 03/15/27 (Call 12/15/26)		25		24,021
Camden Property Trust
2.95%, 12/15/22 (Call 09/15/22)		50		48,946
CC Holdings GS V LLC/Crown Castle GS III Corp.
3.85%, 04/15/23		15		15,104
Crown Castle International Corp.
3.65%, 09/01/27 (Call 06/01/27)		50		47,880
3.70%, 06/15/26 (Call 03/15/26)		15		14,468
4.45%, 02/15/26 (Call 11/15/25)		140		142,937
Digital Realty Trust LP
3.95%, 07/01/22 (Call 05/01/22)		50		51,289
Duke Realty LP
4.38%, 06/15/22 (Call 03/15/22)		25		26,039
EPR Properties
5.75%, 08/15/22 (Call 05/15/22)		25		26,759
ERP Operating LP
3.50%, 03/01/28 (Call 12/01/27)		25		24,577
4.50%, 06/01/45 (Call 12/01/44)		25		26,082
4.63%, 12/15/21 (Call 09/15/21)		25		26,324
Essex Portfolio LP
4.50%, 03/15/48		25		25,133
HCP Inc.
3.40%, 02/01/25 (Call 11/01/24)		35		34,028
3.88%, 08/15/24 (Call 05/17/24)		25		25,049
4.00%, 12/01/22 (Call 10/01/22)		25		25,715
Healthcare Realty Trust Inc.
3.63%, 01/15/28 (Call 10/15/27)		25		24,021


Security	Principal (000s)		Value
Hospitality Properties Trust
4.65%, 03/15/24 (Call 09/15/23)	$	25	$	25,591
5.00%, 08/15/22 (Call 02/15/22)		25		26,124
Host Hotels & Resorts LP
Series D
3.75%, 10/15/23 (Call 07/15/23)		50		49,732
Kilroy Realty LP
4.25%, 08/15/29 (Call 05/15/29)		25		24,821
Kimco Realty Corp.
3.13%, 06/01/23 (Call 03/01/23)		50		48,838
3.30%, 02/01/25 (Call 12/01/24)		35		33,719
Liberty Property LP
4.40%, 02/15/24 (Call 11/15/23)		50		52,005
Mid-America Apartments LP
4.30%, 10/15/23 (Call 07/15/23)		25		25,884
Omega Healthcare Investors Inc.
4.38%, 08/01/23 (Call 06/01/23)		175		174,578
Physicians Realty LP
3.95%, 01/15/28 (Call 10/15/27)		25		23,947
Realty Income Corp.
3.88%, 07/15/24 (Call 04/15/24)		50		50,626
Select Income REIT
4.25%, 05/15/24 (Call 02/15/24)		25		24,408
4.50%, 02/01/25 (Call 11/01/24)		25		24,565
Senior Housing Properties Trust
3.25%, 05/01/19 (Call 02/01/19)		50		50,120
Simon Property Group LP
2.50%, 07/15/21 (Call 04/15/21)		25		24,645
3.38%, 10/01/24 (Call 07/01/24)		55		54,625
4.13%, 12/01/21 (Call 09/01/21)		75		77,653
6.75%, 02/01/40 (Call 11/01/39)		25		33,292
UDR Inc.
3.70%, 10/01/20 (Call 07/01/20)		50		50,906
Ventas Realty LP
4.13%, 01/15/26 (Call 10/15/25)		30		30,366
Ventas Realty LP/Ventas Capital Corp.
4.75%, 06/01/21 (Call 03/01/21)		50		52,249
VEREIT Operating Partnership LP
3.95%, 08/15/27 (Call 05/15/27)		35		33,217
Welltower Inc.
4.00%, 06/01/25 (Call 03/01/25)		155		156,178
4.50%, 01/15/24 (Call 10/15/23)		25		26,006
Weyerhaeuser Co.
3.25%, 03/15/23 (Call 12/15/22)		85		83,985


Security	Principal (000s)		Value
WP Carey Inc.
4.60%, 04/01/24 (Call 01/01/24)	$	11	$	11,334

				2,287,350
RETAIL — 1.17%
AutoNation Inc.
3.35%, 01/15/21 (Call 12/15/20)		40		40,139
Bed Bath & Beyond Inc.
3.75%, 08/01/24 (Call 05/01/24)^c		25		24,412
Best Buy Co. Inc.
5.50%, 03/15/21 (Call 12/15/20)		50		53,145
Costco Wholesale Corp.
3.00%, 05/18/27 (Call 02/18/27)		75		72,466
Darden Restaurants Inc.
3.85%, 05/01/27 (Call 02/01/27)		25		24,643
Dollar General Corp.
3.88%, 04/15/27 (Call 01/15/27)		50		50,246
Home Depot Inc. (The)
2.13%, 09/15/26 (Call 06/15/26)		90		81,231
2.63%, 06/01/22 (Call 05/01/22)		43		42,461
2.80%, 09/14/27 (Call 06/14/27)		25		23,560
3.00%, 04/01/26 (Call 01/01/26)		50		48,486
3.75%, 02/15/24 (Call 11/15/23)		45		46,380
4.20%, 04/01/43 (Call 10/01/42)		25		25,760
4.25%, 04/01/46 (Call 10/01/45)		25		25,864
5.88%, 12/16/36		10		12,761
Kohl’s Corp.
4.00%, 11/01/21 (Call 08/01/21)		25		25,399
Lowe’s Companies Inc.
3.12%, 04/15/22 (Call 01/15/22)		50		50,232
3.80%, 11/15/21 (Call 08/15/21)		40		41,170
4.05%, 05/03/47 (Call 11/03/46)		25		24,493
4.25%, 09/15/44 (Call 03/15/44)		25		25,249
Macy’s Retail Holdings Inc.
3.88%, 01/15/22 (Call 10/15/21)^c		50		50,006
6.90%, 04/01/29		25		26,462
McDonald’s Corp.
2.20%, 05/26/20 (Call 04/26/20)		25		24,733
4.60%, 05/26/45 (Call 11/26/44)		15		15,675
4.70%, 12/09/35 (Call 06/09/35)		20		21,404
4.88%, 12/09/45 (Call 06/09/45)		25		27,204
Nordstrom Inc.
4.00%, 10/15/21 (Call 07/15/21)		25		25,333
5.00%, 01/15/44 (Call 07/15/43)		25		24,130


Security	Principal (000s)		Value
O’Reilly Automotive Inc.
3.60%, 09/01/27 (Call 06/01/27)	$	50	$	48,677
QVC Inc.
4.38%, 03/15/23		45		44,958
4.85%, 04/01/24		25		25,350
Starbucks Corp.
2.10%, 02/04/21 (Call 01/04/21)		50		49,139
3.10%, 03/01/23 (Call 02/01/23)		25		24,955
3.50%, 03/01/28 (Call 12/01/27)		25		24,818
3.75%, 12/01/47 (Call 06/01/47)		25		23,694
Tapestry Inc.
4.25%, 04/01/25 (Call 01/01/25)		25		24,957
Target Corp.
4.00%, 07/01/42		78		76,507
Walgreens Boots Alliance Inc.
3.80%, 11/18/24 (Call 08/18/24)		180		178,823
Walmart Inc.
2.35%, 12/15/22 (Call 11/15/22)		6		5,842
3.63%, 07/08/20		115		117,888
5.00%, 10/25/40		20		23,616
5.25%, 09/01/35		25		30,019
5.63%, 04/01/40		25		31,794
5.63%, 04/15/41		5		6,408

				1,690,489
SEMICONDUCTORS — 0.56%
Altera Corp.
4.10%, 11/15/23		50		52,553
Applied Materials Inc.
3.90%, 10/01/25 (Call 07/01/25)		50		51,405
5.10%, 10/01/35 (Call 04/01/35)		50		57,715
Broadcom Corp./Broadcom Cayman Finance Ltd.
2.20%, 01/15/21		50		48,448
2.65%, 01/15/23 (Call 12/15/22)		50		47,332
Intel Corp.
3.70%, 07/29/25 (Call 04/29/25)		75		76,492
3.73%, 12/08/47 (Call 06/08/47)^a		15		14,385
4.00%, 12/15/32		50		52,168
4.10%, 05/11/47 (Call 11/11/46)		40		40,865
KLA-Tencor Corp.
4.13%, 11/01/21 (Call 09/01/21)		27		27,791
Lam Research Corp.
2.75%, 03/15/20 (Call 02/15/20)		50		49,910


Security	Principal (000s)		Value
2.80%, 06/15/21 (Call 05/15/21)	$	60	$	59,442
QUALCOMM Inc.
3.45%, 05/20/25 (Call 02/20/25)		40		38,741
4.65%, 05/20/35 (Call 11/20/34)		50		50,614
4.80%, 05/20/45 (Call 11/20/44)		40		40,126
Texas Instruments Inc.
1.75%, 05/01/20 (Call 04/01/20)		25		24,557
2.75%, 03/12/21 (Call 02/12/21)		25		25,003
Xilinx Inc.
3.00%, 03/15/21		50		49,861

				807,408
SOFTWARE — 1.10%
Activision Blizzard Inc.
3.40%, 09/15/26 (Call 06/15/26)		15		14,650
Autodesk Inc.
4.38%, 06/15/25 (Call 03/15/25)		40		40,928
CA Inc.
5.38%, 12/01/19		92		95,777
Electronic Arts Inc.
3.70%, 03/01/21 (Call 02/01/21)		25		25,474
Fidelity National Information Services Inc.
3.00%, 08/15/26 (Call 05/15/26)		30		28,055
3.63%, 10/15/20 (Call 09/15/20)		50		50,745
3.88%, 06/05/24 (Call 03/05/24)		50		50,949
Fiserv Inc.
3.50%, 10/01/22 (Call 07/01/22)		50		50,501
Microsoft Corp.
2.00%, 11/03/20 (Call 10/03/20)		50		49,183
2.38%, 02/12/22 (Call 01/12/22)		25		24,525
2.70%, 02/12/25 (Call 11/12/24)		25		24,152
3.45%, 08/08/36 (Call 02/08/36)		50		48,497
3.50%, 11/15/42		40		38,083
3.70%, 08/08/46 (Call 02/08/46)		50		48,629
3.75%, 05/01/43 (Call 11/01/42)		50		49,369
4.00%, 02/08/21		50		51,877
4.50%, 02/06/57 (Call 08/06/56)		50		54,734
4.88%, 12/15/43 (Call 06/15/43)		25		28,789
Series 30Y
4.25%, 02/06/47 (Call 08/06/46)		50		53,342
Oracle Corp.
2.50%, 05/15/22 (Call 03/15/22)		50		48,926
2.63%, 02/15/23 (Call 01/15/23)		50		48,835


Security	Principal (000s)		Value
2.65%, 07/15/26 (Call 04/15/26)	$	150	$	140,212
2.95%, 11/15/24 (Call 09/15/24)		50		48,551
2.95%, 05/15/25 (Call 02/15/25)		80		77,467
3.25%, 11/15/27 (Call 08/15/27)		25		24,301
3.90%, 05/15/35 (Call 11/15/34)		10		10,046
4.00%, 07/15/46 (Call 01/15/46)		25		24,657
4.30%, 07/08/34 (Call 01/08/34)		50		52,678
5.00%, 07/08/19		34		35,108
6.13%, 07/08/39		50		65,397
VMware Inc.
2.95%, 08/21/22 (Call 07/21/22)		190		183,131

				1,587,568

TELECOMMUNICATIONS — 1.88%
America Movil SAB de CV
5.00%, 03/30/20		100		103,902
AT&T Inc.
3.40%, 05/15/25 (Call 02/15/25)		60		57,718
3.90%, 03/11/24 (Call 12/11/23)		100		100,783
4.35%, 06/15/45 (Call 12/15/44)		50		44,813
4.45%, 05/15/21		137		142,264
4.45%, 04/01/24 (Call 01/01/24)		100		103,159
4.75%, 05/15/46 (Call 11/15/45)		75		70,855
4.90%, 08/14/37 (Call 02/14/37)		25		25,053
5.15%, 11/15/46 (Call 05/15/46)^a		85		85,031
5.30%, 08/14/58 (Call 02/14/58)		50		49,909
5.35%, 09/01/40		23		23,696
5.55%, 08/15/41		50		53,355
5.88%, 10/01/19		50		52,367
Cisco Systems Inc.
1.40%, 09/20/19		25		24,581
2.20%, 02/28/21		50		49,108
2.45%, 06/15/20		15		14,909
2.60%, 02/28/23		55		53,786
3.50%, 06/15/25		45		45,680
3.63%, 03/04/24		25		25,594
4.45%, 01/15/20		75		77,536
Deutsche Telekom International Finance BV
8.75%, 06/15/30		100		142,937
Juniper Networks Inc.
3.30%, 06/15/20 (Call 05/15/20)		25		25,118
4.50%, 03/15/24		25		25,735


Security	Principal (000s)		Value
Koninklijke KPN NV
8.38%, 10/01/30	$	25	$	33,204
Motorola Solutions Inc.
3.50%, 03/01/23		60		58,824
5.50%, 09/01/44		50		49,751
Orange SA
5.38%, 07/08/19		25		25,857
5.38%, 01/13/42		25		28,879
9.00%, 03/01/31		25		36,777
Rogers Communications Inc.
4.10%, 10/01/23 (Call 07/01/23)		7		7,225
5.00%, 03/15/44 (Call 09/15/43)		50		54,756
Telefonica Emisiones SAU
5.13%, 04/27/20		50		52,159
5.88%, 07/15/19		75		78,029
7.05%, 06/20/36		125		159,099
TELUS Corp.
3.70%, 09/15/27 (Call 06/15/27)		25		24,601
Verizon Communications Inc.
2.45%, 11/01/22 (Call 08/01/22)		25		24,023
3.38%, 02/15/25		100		97,531
3.50%, 11/01/24 (Call 08/01/24)		50		49,632
4.13%, 08/15/46		25		22,324
4.40%, 11/01/34 (Call 05/01/34)		25		24,521
4.52%, 09/15/48		75		70,878
4.67%, 03/15/55		100		93,415
4.75%, 11/01/41		40		39,941
4.86%, 08/21/46		65		64,741
5.01%, 08/21/54		50		49,235
5.15%, 09/15/23		50		54,178
5.25%, 03/16/37		50		53,191
6.55%, 09/15/43		50		62,608

				2,713,268
TOYS, GAMES & HOBBIES — 0.02%
Hasbro Inc.
3.50%, 09/15/27 (Call 06/15/27)		25		23,648

				23,648
TRANSPORTATION — 0.77%
Burlington Northern Santa Fe LLC
3.05%, 09/01/22 (Call 06/01/22)		33		33,015
3.90%, 08/01/46 (Call 02/01/46)		25		24,485
4.45%, 03/15/43 (Call 09/15/42)		25		26,451
4.70%, 09/01/45 (Call 03/01/45)		25		27,380


Security	Principal (000s)		Value
6.15%, 05/01/37	$	37	$	46,994
6.20%, 08/15/36		10		12,750
Canadian National Railway Co.
2.40%, 02/03/20		25		24,914
2.75%, 03/01/26 (Call 12/01/25)		20		19,106
2.95%, 11/21/24 (Call 08/21/24)		50		49,051
6.25%, 08/01/34		25		32,354
Canadian Pacific Railway Co.
6.13%, 09/15/15 (Call 03/15/15)		25		30,675
CSX Corp.
3.25%, 06/01/27 (Call 03/01/27)		25		23,895
3.40%, 08/01/24 (Call 05/01/24)		25		24,914
3.80%, 03/01/28 (Call 12/01/27)		25		24,877
3.80%, 11/01/46 (Call 05/01/46)		25		22,837
5.50%, 04/15/41 (Call 10/15/40)		10		11,482
6.15%, 05/01/37		25		30,923
FedEx Corp.
3.20%, 02/01/25		25		24,528
3.30%, 03/15/27 (Call 12/15/26)		30		29,187
3.40%, 02/15/28 (Call 11/15/27)		25		24,349
3.90%, 02/01/35		50		48,181
4.00%, 01/15/24		36		37,271
4.55%, 04/01/46 (Call 10/01/45)		10		10,174
JB Hunt Transport Services Inc.
3.30%, 08/15/22 (Call 06/15/22)		25		24,959
Norfolk Southern Corp.
4.15%, 02/28/48 (Call 08/28/47)		25		24,710
4.84%, 10/01/41		25		27,404
Ryder System Inc.
2.65%, 03/02/20 (Call 02/02/20)		75		74,612
2.88%, 09/01/20 (Call 08/01/20)		45		44,885
Union Pacific Corp.
3.60%, 09/15/37 (Call 03/15/37)		30		28,985
3.75%, 03/15/24 (Call 12/15/23)		35		36,051
4.00%, 04/15/47 (Call 10/15/46)		40		40,234
4.05%, 11/15/45 (Call 05/15/45)		15		15,176
4.05%, 03/01/46 (Call 09/01/45)		25		25,481
United Parcel Service Inc.
2.45%, 10/01/22		25		24,386
2.80%, 11/15/24 (Call 09/15/24)		90		86,990
3.75%, 11/15/47 (Call 05/15/47)		15		14,343

				1,108,009


Security	Principal (000s)		Value
TRUCKING & LEASING — 0.02%
GATX Corp.
5.20%, 03/15/44 (Call 09/15/43)	$	25	$	27,258

				27,258
WATER — 0.09%
American Water Capital Corp.
3.40%, 03/01/25 (Call 12/01/24)		40		39,905
3.75%, 09/01/47 (Call 03/01/47)		25		24,054
4.30%, 09/01/45 (Call 03/01/45)		25		26,241
6.59%, 10/15/37		15		20,097
Veolia Environnement SA
6.75%, 06/01/38		10		12,909

				123,206

TOTAL CORPORATE BONDS & NOTES
(Cost: $56,142,210)				55,571,587

FOREIGN GOVERNMENT OBLIGATIONS^f — 4.95%

CANADA — 0.72%
Canada Government International Bond
2.00%, 11/15/22		25		24,174
Export Development Canada
1.63%, 12/03/19		50		49,356
1.63%, 01/17/20		40		39,443
1.75%, 07/21/20		25		24,575
2.00%, 05/17/22		75		72,756
Province of British Columbia Canada
2.00%, 10/23/22		75		72,064
2.25%, 06/02/26		40		37,350
Province of Manitoba Canada
2.10%, 09/06/22		120		115,469
Province of Ontario Canada
1.65%, 09/27/19		75		74,089
2.20%, 10/03/22		125		120,687
2.45%, 06/29/22		25		24,473
2.50%, 04/27/26		25		23,677
4.40%, 04/14/20		80		82,974
Province of Quebec Canada
2.63%, 02/13/23		100		98,237
2.75%, 04/12/27		75		72,125
7.50%, 09/15/29		75		102,869

				1,034,318


Security	Principal (000s)		Value
CHILE — 0.07%
Chile Government International Bond
3.88%, 08/05/20	$	100	$	102,423

				102,423
COLOMBIA — 0.14%
Colombia Government International Bond
6.13%, 01/18/41		100		114,132
8.13%, 05/21/24		75		92,168

				206,300
HUNGARY — 0.11%
Hungary Government International Bond
5.38%, 02/21/23		50		54,145
6.25%, 01/29/20		100		106,270

				160,415
JAPAN — 0.34%
Japan Bank for International Cooperation
2.13%, 11/16/20		200		196,630
2.25%, 11/04/26		200		185,368
Japan Finance Organization for Municipalities
4.00%, 01/13/21		100		103,064

				485,062
MEXICO — 0.38%
Mexico Government International Bond
3.50%, 01/21/21		40		40,738
3.60%, 01/30/25		200		196,160
4.75%, 03/08/44		100		96,162
5.55%, 01/21/45		50		53,680
5.75%, 10/12/99		100		100,950
6.75%, 09/27/34		50		61,965

				549,655
PANAMA — 0.12%
Panama Government International Bond
7.13%, 01/29/26		110		136,116
9.38%, 04/01/29		25		36,594

				172,710


Security	Principal (000s)		Value
PERU — 0.16%
Peruvian Government International Bond
4.13%, 08/25/27	$	50	$	51,928
5.63%, 11/18/50		25		29,977
8.75%, 11/21/33		100		151,032

				232,937
PHILIPPINES — 0.37%
Philippine Government International Bond
3.95%, 01/20/40		100		97,854
4.00%, 01/15/21		100		102,456
7.75%, 01/14/31		100		135,682
10.63%, 03/16/25		135		194,373

				530,365
POLAND — 0.12%
Republic of Poland Government International Bond
4.00%, 01/22/24		120		124,434
5.00%, 03/23/22		50		53,449

				177,883
SOUTH KOREA — 0.23%
Export-Import Bank of Korea
2.25%, 01/21/20		200		197,266
5.13%, 06/29/20		130		135,981

				333,247
SUPRANATIONAL — 1.98%
African Development Bank
1.25%, 07/26/21		60		57,265
2.13%, 11/16/22		25		24,238
Asian Development Bank
1.50%, 01/22/20		30		29,502
1.63%, 03/16/21		200		194,316
1.75%, 06/08/21		85		82,616
1.88%, 02/18/22		25		24,225
2.00%, 01/22/25^c		90		84,715
Corp. Andina de Fomento
4.38%, 06/15/22		50		52,500
Council of Europe Development Bank
1.63%, 03/10/20		115		113,130
2.63%, 02/13/23		25		24,746


Security	Principal (000s)		Value
European Bank for Reconstruction & Development
1.63%, 05/05/20	$	70	$	68,781
1.88%, 02/23/22		100		96,865
European Investment Bank
1.38%, 06/15/20^c		150		146,277
1.63%, 03/16/20		100		98,377
1.75%, 06/17/19		100		99,313
1.75%, 05/15/20		50		49,215
1.88%, 02/10/25^c		100		93,117
2.25%, 03/15/22		25		24,522
2.38%, 05/13/21		90		89,234
2.38%, 06/15/22		25		24,590
2.50%, 04/15/21		100		99,596
2.88%, 09/15/20		50		50,398
4.00%, 02/16/21		50		51,977
Inter-American Development Bank
1.75%, 09/14/22		65		62,153
2.13%, 11/09/20		100		98,901
2.13%, 01/18/22		150		146,764
2.13%, 01/15/25		100		94,872
4.38%, 01/24/44		25		29,167
Series GDP
1.25%, 10/15/19		25		24,572
International Bank for Reconstruction & Development
1.13%, 11/27/19		215		210,481
1.38%, 05/24/21^c		50		48,097
1.63%, 03/09/21		25		24,311
1.63%, 02/10/22		25		24,001
1.88%, 04/21/20^c		30		29,655
2.00%, 01/26/22		50		48,706
2.13%, 03/03/25		40		37,976
2.50%, 11/25/24		50		48,648
2.50%, 07/29/25		100		96,911
2.50%, 11/22/27		40		38,222
International Finance Corp.
1.75%, 09/16/19		100		99,125
2.00%, 10/24/22		25		24,167

				2,866,244
SWEDEN — 0.06%
Svensk Exportkredit AB
1.75%, 08/28/20		90		88,107

				88,107


Security	Principal (000s)		Value
URUGUAY — 0.15%
Uruguay Government International Bond
4.50%, 08/14/24^c	$	100	$	105,493
7.63%, 03/21/36		75		103,498

				208,991

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $7,257,475)				7,148,657

MUNICIPAL DEBT OBLIGATIONS — 0.97%

CALIFORNIA — 0.26%
Bay Area Toll Authority RB BAB
Series S1
6.92%, 04/01/40		50		68,504
Los Angeles Unified School District/CA GO BAB
5.75%, 07/01/34		50		61,235
State of California GO BAB
7.55%, 04/01/39		100		150,623
7.63%, 03/01/40		50		75,379
University of California RB
Series AD
4.86%, 05/15/12		25		25,928

				381,669
CONNECTICUT — 0.04%
State of Connecticut GO
Series A
5.85%, 03/15/32		50		58,454

				58,454
FLORIDA — 0.04%
State Board of Administration Finance Corp. RB
Series A
3.00%, 07/01/20		50		50,241

				50,241
GEORGIA — 0.04%
Municipal Electric Authority of Georgia RB BAB
Project J, Series 2010-A
6.64%, 04/01/57		25		30,568
Project M, Series 2010-A
6.66%, 04/01/57		20		24,272

				54,840


Security	Principal (000s)		Value
ILLINOIS — 0.08%
State of Illinois GO
4.95%, 06/01/23^c	$	50	$	51,591
5.10%, 06/01/33^c		75		70,676

				122,267
KENTUCKY — 0.02%
Louisville & Jefferson County Metropolitan Sewer District RB BAB
6.25%, 05/15/43		25		32,650

				32,650
MASSACHUSETTS — 0.02%
Commonwealth of Massachusetts GOL BAB
Series E
5.46%, 12/01/39		25		30,263

				30,263
MISSOURI — 0.02%
Health & Educational Facilities Authority of the State of Missouri RB
Series A
3.65%, 08/15/57 (Call 02/15/57)		25		23,659

				23,659
NEW JERSEY — 0.08%
New Jersey Economic Development Authority RB
Series B
0.00%, 02/15/23 (AGM)^d		50		41,920
New Jersey State Turnpike Authority RB BAB
7.10%, 01/01/41		50		70,950

				112,870
NEW YORK — 0.13%
New York City Water & Sewer System RB BAB
5.44%, 06/15/43		50		61,780
New York State Dormitory Authority RB BAB
5.63%, 03/15/39		40		47,658
Port Authority of New York & New Jersey RB
4.93%, 10/01/51		25		28,864


Security	Principal (000s)		Value
Series 182
5.31%, 08/01/46 (Call 08/01/24)	$	50	$	54,543

				192,845
OHIO — 0.09%
American Municipal Power Inc. RB BAB
Series E
6.27%, 02/15/50		25		31,731
JobsOhio Beverage System RB
Series B
4.53%, 01/01/35		25		26,837
Ohio State University (The) RB
Series A
3.80%, 12/01/46		50		47,999
Ohio Water Development Authority Water Pollution Control Loan Fund RB BAB
Series B-2
4.88%, 12/01/34		25		27,466

				134,033
OREGON — 0.04%
State of Oregon GO
5.89%, 06/01/27		50		58,608

				58,608
TEXAS — 0.06%
City of San Antonio TX Electric & Gas Systems Revenue RB
5.81%, 02/01/41		40		49,273
North Texas Tollway Authority RB BAB
Series B
6.72%, 01/01/49		25		35,794

				85,067
VIRGINIA — 0.02%
University of Virginia RB
Series C
4.18%, 09/01/17 (Call 03/01/17)		25		24,150

				24,150
WASHINGTON — 0.03%
State of Washington GO BAB
Series F
5.14%, 08/01/40		35		41,636

				41,636


Security	Principal (000s)		Value
TOTAL MUNICIPAL DEBT OBLIGATIONS
(Cost: $1,388,851)			$	1,403,252

U.S. GOVERNMENT & AGENCY OBLIGATIONS — 53.54%

U.S. GOVERNMENT AGENCY OBLIGATIONS — 2.42%
Federal Home Loan Banks
1.38%, 05/28/19	$	100		99,020
1.38%, 02/18/21		150		145,347
1.88%, 11/29/21		300		292,671
5.50%, 07/15/36		25		32,688
Federal Home Loan Mortgage Corp.
1.13%, 08/12/21		150		143,001
1.25%, 10/02/19		500		491,995
1.38%, 05/01/20		100		97,972
1.75%, 05/30/19		140		139,244
2.38%, 01/13/22		300		297,456
6.25%, 07/15/32		150		201,477
Federal National Mortgage Association
1.25%, 08/17/21		400		382,852
1.50%, 06/22/20		200		196,166
1.75%, 09/12/19		250		248,220
1.88%, 04/05/22		100		97,097
1.88%, 09/24/26		300		273,738
5.63%, 07/15/37		86		114,752
6.25%, 05/15/29		50		64,202
6.63%, 11/15/30		100		134,992
Tennessee Valley Authority
3.50%, 12/15/42		50		50,778

				3,503,668
U.S. GOVERNMENT OBLIGATIONS — 51.12%
U.S. Treasury Note/Bond
0.75%, 08/15/19		1,300		1,273,433
0.88%, 04/15/19		500		493,104
1.00%, 10/15/19		900		882,661
1.00%, 11/30/19		250		244,747
1.13%, 12/31/19		520		509,661
1.13%, 04/30/20		250		243,750
1.13%, 07/31/21		600		573,064
1.13%, 08/31/21		1,000		953,479
1.25%, 10/31/19		3,000		2,952,446


Security	Principal (000s)		Value
1.38%, 09/30/19	$	3,000	$	2,961,309
1.38%, 04/30/21		1,500		1,450,454
1.38%, 06/30/23		200		187,027
1.38%, 08/31/23		150		139,876
1.50%, 10/31/19		300		296,482
1.50%, 04/15/20		1,200		1,180,249
1.50%, 08/15/26		200		179,492
1.63%, 07/31/19		1,600		1,587,862
1.63%, 08/15/22		450		431,462
1.63%, 11/15/22		250		238,906
1.63%, 04/30/23		250		237,389
1.63%, 02/15/26		850		776,030
1.63%, 05/15/26		850		773,467
1.75%, 11/30/19		3,000		2,975,258
1.75%, 12/31/20		700		687,502
1.75%, 02/28/22		700		678,224
1.75%, 03/31/22		500		484,057
1.75%, 04/30/22		500		483,562
1.75%, 05/15/22		600		580,190
1.75%, 09/30/22		200		192,444
1.75%, 05/15/23		750		716,273
1.88%, 12/31/19		1,400		1,390,758
1.88%, 04/30/22		750		728,730
1.88%, 07/31/22		3,000		2,907,343
1.88%, 08/31/22		1,900		1,840,612
1.88%, 09/30/22		3,000		2,902,539
2.00%, 07/31/20		700		694,262
2.00%, 11/15/21		250		245,334
2.00%, 12/31/21		1,100		1,077,656
2.00%, 11/30/22		1,500		1,457,467
2.00%, 05/31/24		200		191,245
2.00%, 02/15/25		750		711,677
2.00%, 08/15/25		700		661,283
2.00%, 11/15/26		450		419,710
2.13%, 08/31/20		600		596,590
2.13%, 01/31/21		500		495,852
2.13%, 06/30/21		250		247,097
2.13%, 12/31/21		250		246,130
2.13%, 06/30/22		1,250		1,225,843
2.25%, 03/31/21		1,500		1,491,205
2.25%, 04/30/21		1,900		1,888,019
2.25%, 10/31/24		1,000		967,141
2.25%, 11/15/24		700		676,567


Security	Principal (000s)		Value
2.25%, 12/31/24	$	1,100	$	1,062,670
2.25%, 11/15/25		850		815,529
2.25%, 02/15/27		200		190,034
2.25%, 11/15/27		1,800		1,703,116
2.25%, 08/15/46		500		417,044
2.38%, 05/15/27		1,000		959,173
2.50%, 08/15/23		400		396,094
2.50%, 02/15/45		800		708,520
2.50%, 05/15/46		200		176,316
2.75%, 11/15/23		500		501,001
2.75%, 08/15/42		550		516,792
2.75%, 11/15/47		1,400		1,297,209
2.88%, 11/15/46		850		808,642
3.00%, 11/15/44		500		488,900
3.00%, 05/15/45		500		488,599
3.00%, 11/15/45		850		829,966
3.00%, 02/15/47		200		195,042
3.00%, 05/15/47		600		584,835
3.13%, 05/15/21		1,000		1,019,867
3.13%, 11/15/41		500		502,793
3.13%, 02/15/42		2,000		2,010,761
3.50%, 05/15/20		1,100		1,127,802
3.63%, 02/15/21		500		517,078
3.63%, 02/15/44		500		545,046
4.25%, 11/15/40		162		193,107
4.38%, 05/15/40		750		908,297
4.38%, 05/15/41		1,000		1,214,623
4.63%, 02/15/40		100		125,015
6.00%, 02/15/26		650		797,851
6.13%, 11/15/27		250		318,805
6.13%, 08/15/29		450		591,158
6.38%, 08/15/27		500		645,724
6.50%, 11/15/26		300		384,596
6.88%, 08/15/25		300		382,395
7.25%, 08/15/22		400		478,775
7.63%, 11/15/22		600		733,656
7.63%, 02/15/25		600		783,928

				73,847,679

TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS
(Cost: $79,531,604)				77,351,347


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 3.12%

MONEY MARKET FUNDS — 3.12%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^e,g,h		4,512	$	4,511,616

				4,511,616

TOTAL SHORT-TERM INVESTMENTS
(Cost: $4,511,616)				4,511,616

TOTAL INVESTMENTS IN SECURITIES — 101.05%
(Cost: $148,831,756)				145,986,459
Other Assets, Less Liabilities — (1.05)%				(1,522,561	)

NET ASSETS — 100.00%			$	144,463,898

BAB — Build America Bond

GO — General Obligation

GOL — General Obligation Limited

RB — Revenue Bond

Insured by:

AGM — Assured Guaranty Municipal Corp.

^a	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^b	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^c	All or a portion of this security is on loan.

^d	Zero-coupon bond.

^e	Affiliate of the Fund.

^f	Investments are denominated in U.S. dollars.

^g	Annualized 7-day yield as of period end.

^h	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
FOREIGN GOVERNMENT OBLIGATIONS^a — 10.00%

IRAQ — 1.15%
Iraq Government AID Bond
2.15%, 01/18/22	$	5,250	$	5,128,252

				5,128,252
ISRAEL — 8.02%
Israel Government AID Bond
0.00%, 09/15/20^b		4		3,720
5.50%, 09/18/23		31,596		35,749,294

				35,753,014
TUNISIA — 0.83%
Tunisia Government AID Bond
1.42%, 08/05/21		3,860		3,707,491

				3,707,491

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $45,736,362)				44,588,757

U.S. GOVERNMENT & AGENCY OBLIGATIONS —89.22%

U.S. GOVERNMENT AGENCY OBLIGATIONS — 87.43%
Fannie Mae Principal STRIPS
0.00%, 03/23/28^b		100		70,474
Federal Farm Credit Banks
2.50%, 04/09/26		4		3,810
3.35%, 03/23/33		100		97,386
3.39%, 03/20/34		100		97,573
5.13%, 07/09/29		267		303,339
5.41%, 04/17/36		250		309,992
Federal Home Loan Banks
0.88%, 08/05/19		11,000		10,793,200
1.38%, 05/28/19		4,500		4,455,900
1.38%, 11/15/19		995		980,373
1.63%, 06/14/19		5,000		4,961,400
1.75%, 06/12/20		2,000		1,970,340
1.88%, 11/29/21		3,400		3,316,938
2.38%, 12/13/19		12,000		12,013,440
2.50%, 12/10/27		18,980		17,839,682
3.00%, 09/11/26		2,000		1,983,860
4.00%, 09/01/28		810		860,341
4.13%, 12/13/19		350		361,018


Security	Principal (000s)		Value
4.50%, 09/13/19	$	1,780	$	1,838,954
5.00%, 09/28/29		4,005		4,557,610
5.50%, 07/15/36		4,130		5,399,975
5.63%, 03/14/36		500		652,145
Federal Home Loan Mortgage Corp.
0.00%, 11/29/19^b		4,477		4,280,325
0.88%, 07/19/19		24,000		23,556,000
1.13%, 08/12/21		4,000		3,813,360
1.25%, 07/26/19 (Call 04/26/18)		10,000		9,857,600
1.25%, 08/01/19		12,260		12,093,632
1.25%, 10/02/19		25,787		25,374,150
1.38%, 08/15/19		18,455		18,227,081
1.38%, 04/20/20		5,000		4,903,300
1.75%, 05/30/19		3,117		3,100,168
1.88%, 11/17/20		5,600		5,518,184
2.38%, 02/16/21		20,000		19,929,000
2.38%, 01/13/22		79		78,330
6.25%, 07/15/32		17		22,834
6.75%, 09/15/29		151		201,908
6.75%, 03/15/31		2,431		3,330,057
Federal National Mortgage Association
0.00%, 10/09/19^b		51,749		49,779,950
1.00%, 10/24/19		10,082		9,878,243
1.25%, 08/17/21		10,009		9,579,914
1.38%, 02/26/21		1,600		1,548,880
1.63%, 01/21/20		11,391		11,254,877
1.75%, 09/12/19		3,000		2,978,640
1.88%, 04/05/22		85		82,532
5.63%, 07/15/37		394		525,726
6.03%, 10/08/27		1,620		1,994,641
6.09%, 09/27/27		700		861,672
6.21%, 08/06/38		2,166		3,081,936
6.25%, 05/15/29		4,220		5,418,649
6.32%, 12/20/27		292		361,949
6.63%, 11/15/30		12,573		16,972,544
7.13%, 01/15/30		110		151,889
7.25%, 05/15/30		9,849		13,827,208
8.28%, 01/10/25		3		3,990
Financing Corp.
8.60%, 09/26/19		4,753		5,195,647
10.35%, 08/03/18		3,135		3,240,305
Series E
9.65%, 11/02/18		380		398,407


Security	Principal (000s)		Value
Financing Corp. Principal STRIPS
0.00%, 05/11/18^b	$	90	$	89,625
0.00%, 08/03/18^b		53		52,514
0.00%, 11/02/18^b		287		283,344
0.00%, 12/27/18^b		30		29,500
0.00%, 03/07/19^b		4,105		4,015,142
0.00%, 09/26/19^b		1,782		1,718,775
Navient Solutions Inc.
0.00%, 10/03/22^b		5,797		4,996,782
NCUA Guaranteed Notes
Series A4
3.00%, 06/12/19		504		508,274
Private Export Funding Corp.
Series HH
1.45%, 08/15/19		1,513		1,492,075
Series KK
3.55%, 01/15/24		5,045		5,208,559
Series Z
4.38%, 03/15/19		475		484,262
Residual Funding Corp. Principal STRIPS
0.00%, 07/15/20^b		9,091		8,585,177
0.00%, 10/15/20^b		5,940		5,557,464
Resolution Funding Corp.
Series B
9.38%, 10/15/20		1,000		1,169,580
Tennessee Valley Authority
2.88%, 09/15/24		6		5,983
4.25%, 09/15/65		1,887		2,124,913
4.63%, 09/15/60		515		609,987
5.25%, 09/15/39		2,400		3,080,088
5.38%, 04/01/56		500		658,645
5.88%, 04/01/36		3,540		4,731,210

				389,693,177
U.S. GOVERNMENT OBLIGATIONS — 1.79%
U.S. Treasury Note/Bond
2.25%, 02/15/21		8,000		7,962,206

				7,962,206

TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS
(Cost: $403,634,356)				397,655,383


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 0.07%

MONEY MARKET FUNDS — 0.07%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^c,d		305	$	304,998

				304,998

TOTAL SHORT-TERM INVESTMENTS
(Cost: $304,998)				304,998

TOTAL INVESTMENTS IN SECURITIES — 99.29%
(Cost: $449,675,716)				442,549,138
Other Assets, Less Liabilities — 0.71%				3,147,752

NET ASSETS — 100.00%			$	445,696,890

STRIPS — Separate Trading of Registered Interest & Principal of Securities

^a	Investments are denominated in U.S. dollars.

^b	Zero-coupon bond.

^c	Affiliate of the Fund.

^d	Annualized 7-day yield as of period end.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
U.S. GOVERNMENT AGENCY OBLIGATIONS — 99.67%

MORTGAGE-BACKED SECURITIES — 99.67%
Federal Home Loan Mortgage Corp.
2.50%, 02/01/28	$	14,166	$	13,967,183
2.50%, 06/01/28		127		125,498
2.50%, 07/01/29		2,480		2,435,286
2.50%, 08/01/29		478		469,286
2.50%, 10/01/29		414		406,368
2.50%, 02/01/30		3,095		3,034,777
2.50%, 03/01/30		324		316,648
2.50%, 04/01/30		10,087		9,867,598
2.50%, 05/01/30		10,653		10,420,887
2.50%, 06/01/30		36,769		35,966,190
2.50%, 07/01/30		1,320		1,291,003
2.50%, 08/01/30		1,959		1,916,238
2.50%, 09/01/30		1,143		1,118,048
2.50%, 06/01/31		2,003		1,953,249
2.50%, 10/01/31		1,067		1,041,150
2.50%, 12/01/31		33,400		32,573,742
2.50%, 02/01/32		23,374		22,795,185
2.50%, 10/01/32		1,273		1,241,081
2.50%, 12/01/32		1,459		1,422,846
2.50%, 03/01/33^a		147,923		144,132,473
2.50%, 02/01/43		1,870		1,760,842
2.50%, 03/01/43		216		203,926
2.50%, 04/01/43		771		725,792
2.50%, 06/01/43		667		627,277
2.50%, 07/01/43		2,592		2,438,543
2.50%, 08/01/43		310		291,851
2.50%, 04/01/45		262		245,340
2.50%, 03/01/48^a		4,400		4,105,750
3.00%, 01/01/21		10		9,702
3.00%, 08/01/21		4		3,627
3.00%, 09/01/21		180		179,551
3.00%, 10/01/22		40		40,011
3.00%, 04/01/27		1,904		1,907,580
3.00%, 05/01/27		12,243		12,266,302
3.00%, 06/01/27		3,301		3,307,288
3.00%, 07/01/27		237		237,147
3.00%, 08/01/27		1,075		1,076,817
3.00%, 09/01/27		5,582		5,593,924


Security	Principal (000s)		Value
3.00%, 11/01/27	$	1,633	$	1,636,663
3.00%, 12/01/27		1,124		1,125,523
3.00%, 01/01/28		534		534,748
3.00%, 11/01/28		249		249,115
3.00%, 04/01/29		11		11,485
3.00%, 05/01/29		14,151		14,149,895
3.00%, 10/01/29		19		19,431
3.00%, 11/01/29		3,015		3,015,311
3.00%, 03/01/30		1,153		1,149,406
3.00%, 05/01/30		8,129		8,108,703
3.00%, 06/01/30		10,456		10,458,281
3.00%, 07/01/30		5,228		5,214,161
3.00%, 08/01/30		1,006		1,003,703
3.00%, 09/01/30		7,491		7,471,390
3.00%, 10/01/30		1,690		1,685,400
3.00%, 11/01/30		1,537		1,533,049
3.00%, 12/01/30		1,900		1,895,160
3.00%, 02/01/31		12,244		12,196,628
3.00%, 03/01/31		7,625		7,596,093
3.00%, 05/01/31		20,737		20,657,694
3.00%, 06/01/31		14,725		14,668,153
3.00%, 07/01/31		1,268		1,263,427
3.00%, 03/01/32		2,065		2,057,572
3.00%, 07/01/32		987		982,823
3.00%, 09/01/32		5,126		5,103,716
3.00%, 12/01/32		2,009		2,001,295
3.00%, 03/01/33^a		151,522		150,811,741
3.00%, 05/01/33		6,879		6,830,780
3.00%, 02/01/43		255		249,826
3.00%, 02/01/45		4,739		4,611,826
3.00%, 03/01/45		920		895,052
3.00%, 04/01/45		90,526		87,997,457
3.00%, 05/01/45		2,664		2,589,664
3.00%, 01/01/46		2,426		2,357,788
3.00%, 05/01/46		2,054		1,990,232
3.00%, 08/01/46		7,795		7,553,200
3.00%, 10/01/46		52,053		50,492,789
3.00%, 11/01/46		96,039		93,073,908
3.00%, 12/01/46		108,043		104,835,309
3.00%, 01/01/47		12,921		12,521,074
3.00%, 02/01/47		23,472		22,752,139
3.00%, 03/01/47		10,348		10,027,389
3.00%, 05/01/47		41,622		40,410,396


Security	Principal (000s)		Value
3.00%, 07/01/47	$	2,251	$	2,185,406
3.00%, 10/01/47		890		862,536
3.00%, 11/01/47		1,029		996,628
3.00%, 12/01/47		767		743,358
3.00%, 03/01/48^a		279,944		271,020,785
3.50%, 11/01/25		11,699		11,916,286
3.50%, 02/01/26		882		897,693
3.50%, 03/01/26		2,631		2,676,930
3.50%, 06/01/26		1,092		1,111,173
3.50%, 07/01/26		1,000		1,018,389
3.50%, 08/01/26		1,373		1,396,970
3.50%, 10/01/26		3,861		3,933,849
3.50%, 03/01/27		770		785,268
3.50%, 05/01/31		7,316		7,466,797
3.50%, 01/01/32		3,458		3,529,019
3.50%, 03/01/32		579		589,578
3.50%, 04/01/32		5,511		5,624,368
3.50%, 05/01/32		7,712		7,865,068
3.50%, 06/01/32		5,838		5,952,262
3.50%, 07/01/32		1,969		2,005,788
3.50%, 09/01/32		7,987		8,136,160
3.50%, 03/01/33^a		7,560		7,687,575
3.50%, 05/01/35		17,204		17,524,727
3.50%, 10/01/42		2,847		2,864,684
3.50%, 11/01/42		2,631		2,647,429
3.50%, 06/01/43		3,477		3,494,655
3.50%, 12/01/44		2,530		2,536,929
3.50%, 07/01/45		3,322		3,335,443
3.50%, 08/01/45		2,291		2,293,933
3.50%, 12/01/45		15,591		15,616,744
3.50%, 01/01/46		2,347		2,350,091
3.50%, 03/01/46		19,101		19,109,895
3.50%, 04/01/46		7,795		7,791,483
3.50%, 05/01/46		28,175		28,197,161
3.50%, 07/01/46		17,665		17,657,475
3.50%, 08/01/46		18,822		18,814,801
3.50%, 09/01/46		21,051		21,061,257
3.50%, 10/01/46		2,257		2,255,768
3.50%, 11/01/46		4,396		4,394,255
3.50%, 12/01/46		9,887		9,893,490
3.50%, 02/01/47		24,102		24,092,803
3.50%, 03/01/47		38,845		38,813,828
3.50%, 04/01/47		17,474		17,467,068
3.50%, 05/01/47		11,687		11,700,788


Security	Principal (000s)		Value
3.50%, 06/01/47	$	1,040	$	1,038,996
3.50%, 08/01/47		1,056		1,055,140
3.50%, 09/01/47^b		306,280		306,055,382
3.50%, 09/01/47		2,507		2,504,750
3.50%, 12/01/47		6,589		6,583,936
3.50%, 01/01/48		25,907		26,008,586
3.50%, 02/01/48		18,996		18,882,976
3.50%, 03/01/48		33,520		33,493,331
3.50%, 03/01/48^a		244,658		244,313,950
4.00%, 04/01/21		700		711,259
4.00%, 05/01/25		2,583		2,657,508
4.00%, 10/01/25		1,861		1,915,866
4.00%, 02/01/26		1,798		1,851,826
4.00%, 03/01/33^a		17,706		18,145,371
4.00%, 09/01/41		8,445		8,725,548
4.00%, 02/01/42		14,690		15,178,139
4.00%, 04/01/44		1,012		1,038,764
4.00%, 07/01/44		9,329		9,630,630
4.00%, 10/01/44		1,005		1,032,100
4.00%, 01/01/45		2,855		2,930,996
4.00%, 07/01/45		5,709		5,853,120
4.00%, 10/01/45		5,295		5,436,263
4.00%, 01/01/46		615		635,226
4.00%, 03/01/46		5,962		6,120,521
4.00%, 05/01/46		17,606		18,046,061
4.00%, 07/01/46		877		900,841
4.00%, 08/01/46		384		394,161
4.00%, 09/01/46		4,159		4,263,333
4.00%, 11/01/46		70,121		71,873,389
4.00%, 02/01/47		19,405		19,892,579
4.00%, 03/01/47		3,401		3,492,062
4.00%, 06/01/47		11,208		11,580,957
4.00%, 07/01/47		2,661		2,728,650
4.00%, 08/01/47		6,703		6,906,950
4.00%, 09/01/47		64,629		66,258,748
4.00%, 10/01/47		27,012		27,692,734
4.00%, 11/01/47		29,119		29,864,898
4.00%, 12/01/47		72,390		74,213,872
4.00%, 01/01/48		32,232		33,068,776
4.00%, 03/01/48		60,116		61,616,967
4.00%, 03/01/48^a		47,539		48,690,610
4.50%, 04/01/22		690		701,871
4.50%, 05/01/23		730		740,729
4.50%, 07/01/24		867		898,137


Security	Principal (000s)		Value
4.50%, 08/01/24	$	301	$	311,092
4.50%, 09/01/24		512		530,374
4.50%, 10/01/24		742		768,651
4.50%, 08/01/30		2,341		2,464,404
4.50%, 03/01/33^a		931		938,273
4.50%, 03/01/39		5,751		6,075,919
4.50%, 05/01/39		6,459		6,824,387
4.50%, 10/01/39		7,609		8,037,880
4.50%, 09/01/40		5,598		5,914,649
4.50%, 02/01/41		7,061		7,461,434
4.50%, 05/01/41		8,294		8,797,474
4.50%, 08/01/41		1,565		1,653,348
4.50%, 05/01/42		6,533		6,902,501
4.50%, 10/01/43		2,266		2,373,843
4.50%, 02/01/44		1,994		2,091,733
4.50%, 03/01/44		1,512		1,585,666
4.50%, 05/01/44		299		315,715
4.50%, 06/01/44		934		979,999
4.50%, 10/01/44		1,325		1,390,298
4.50%, 11/01/44		2,309		2,421,210
4.50%, 12/01/44		4,828		5,089,749
4.50%, 01/01/45		6,311		6,673,959
4.50%, 03/01/45		1,104		1,156,432
4.50%, 06/01/45		1,720		1,804,149
4.50%, 07/01/45		3,640		3,818,480
4.50%, 08/01/45		2,482		2,603,810
4.50%, 09/01/45		2,264		2,374,814
4.50%, 11/01/45		112		117,278
4.50%, 01/01/46		775		821,561
4.50%, 04/01/46		1,437		1,506,998
4.50%, 05/01/46		5,158		5,457,016
4.50%, 06/01/46		16,492		17,489,749
4.50%, 07/01/46		5,470		5,811,734
4.50%, 08/01/46		610		639,853
4.50%, 09/01/46		5,287		5,607,016
4.50%, 12/01/46		4,500		4,720,065
4.50%, 01/01/47		368		391,556
4.50%, 02/01/47		2,834		2,996,757
4.50%, 03/01/47		3,070		3,220,682
4.50%, 04/01/47		997		1,054,683
4.50%, 05/01/47		28,795		30,207,383
4.50%, 06/01/47		11,513		12,143,757
4.50%, 07/01/47		792		830,826
4.50%, 08/01/47		4,901		5,184,663


Security	Principal (000s)		Value
4.50%, 10/01/47	$	2,194	$	2,301,497
4.50%, 11/01/47		10,942		11,479,286
4.50%, 12/01/47		14,566		15,280,865
4.50%, 01/01/48		19,878		20,853,316
4.50%, 03/01/48^a		1,403		1,468,985
5.00%, 11/01/18		105		105,641
5.00%, 08/01/19		104		103,962
5.00%, 12/01/24		871		886,418
5.00%, 08/01/25		1,362		1,457,078
5.00%, 06/01/26		257		265,685
5.00%, 03/01/33^a		161		163,113
5.00%, 06/01/33		600		648,915
5.00%, 12/01/33		1,865		2,017,958
5.00%, 07/01/35		6,977		7,531,611
5.00%, 08/01/35		138		149,223
5.00%, 09/01/35		252		271,267
5.00%, 01/01/36		1,019		1,099,584
5.00%, 11/01/36		1,447		1,561,024
5.00%, 01/01/37		1,223		1,318,702
5.00%, 02/01/37		1,142		1,231,429
5.00%, 02/01/38		1,586		1,710,156
5.00%, 03/01/38		4,848		5,240,794
5.00%, 12/01/38		984		1,064,627
5.00%, 08/01/39		8,288		8,965,533
5.00%, 01/01/40		554		597,322
5.00%, 04/01/40		610		657,518
5.00%, 07/01/40		316		340,899
5.00%, 08/01/40		4,646		5,011,848
5.00%, 09/01/40		3,184		3,434,933
5.00%, 08/01/41		4,803		5,199,767
5.00%, 07/01/47		27,296		29,277,118
5.00%, 09/01/47		1,306		1,399,961
5.00%, 03/01/48^a		24,419		26,071,620
5.50%, 07/01/31		1		298
5.50%, 04/01/32		43		46,727
5.50%, 09/01/32		147		160,615
5.50%, 10/01/32		23		25,345
5.50%, 12/01/32		10		11,278
5.50%, 04/01/33		1		720
5.50%, 05/01/33		17		18,880
5.50%, 06/01/33		22		23,637
5.50%, 07/01/33		48		53,176
5.50%, 09/01/33		3		3,750


Security	Principal (000s)		Value
5.50%, 10/01/33	$	265	$	289,903
5.50%, 01/01/34		1		1,242
5.50%, 02/01/34		2,190		2,399,036
5.50%, 03/01/34		601		658,018
5.50%, 10/01/34		272		297,768
5.50%, 11/01/34		4		4,394
5.50%, 12/01/34		351		385,077
5.50%, 01/01/35		3,668		4,017,369
5.50%, 02/01/35		967		1,058,852
5.50%, 04/01/35		266		291,096
5.50%, 05/01/35		1,746		1,910,996
5.50%, 06/01/35		4,492		4,916,319
5.50%, 07/01/35		27		28,714
5.50%, 08/01/35		104		114,065
5.50%, 10/01/35		172		188,645
5.50%, 12/01/35		937		1,025,479
5.50%, 02/01/36		1		1,238
5.50%, 03/01/36		65		71,334
5.50%, 05/01/36		1,114		1,222,008
5.50%, 07/01/36		1,924		2,109,602
5.50%, 08/01/36		251		274,867
5.50%, 04/01/38		2,082		2,275,137
5.50%, 05/01/38		766		836,908
5.50%, 12/01/38		11		11,709
5.50%, 01/01/39		3,841		4,205,580
5.50%, 09/01/39		2,085		2,277,901
5.50%, 11/01/39		3,589		3,937,632
5.50%, 06/01/41		10,939		11,970,689
5.50%, 03/01/48^a		163		176,677
6.00%, 12/01/22		133		139,815
6.00%, 09/01/36		814		899,117
6.00%, 10/01/36		979		1,080,525
6.00%, 02/01/37		824		913,628
6.00%, 09/01/38		2,911		3,216,905
6.00%, 03/01/48^a		9,372		10,388,686
(1 year CMT + 2.250%) 3.59%, 12/01/33^c		112		117,657
(12 mo. LIBOR US + 1.495%) 1.74%, 06/01/43^c		695		706,416
(12 mo. LIBOR US + 1.600%) 2.51%, 08/01/43^c		300		297,609
(12 mo. LIBOR US + 1.650%) 2.45%, 05/01/43^c		731		725,191


Security	Principal (000s)		Value
(12 mo. LIBOR US + 1.748%) 3.52%, 12/01/38^c	$	1,818	$	1,920,454
(12 mo. LIBOR US + 1.775%) 3.53%, 11/01/40^c		567		595,188
(12 mo. LIBOR US + 1.788%) 3.54%, 08/01/41^c		261		276,226
(12 mo. LIBOR US + 1.809%) 2.93%, 05/01/42^c		1,310		1,321,438
(12 mo. LIBOR US + 1.859%) 3.34%, 11/01/41^c		2,413		2,514,938
(12 mo. LIBOR US + 1.880%) 3.63%, 09/01/41^c		1,539		1,633,433
(12 mo. LIBOR US + 1.890%) 3.23%, 07/01/41^c		177		185,312
(12 mo. LIBOR US + 1.900%) 3.65%, 11/01/40^c		1,073		1,136,993
3.65%, 01/01/42^c		1,303		1,369,369
(12 mo. LIBOR US + 1.910%)
3.66%, 11/01/40^c		804		852,654
Federal National Mortgage Association
2.50%, 07/01/22		1,983		1,948,591
2.50%, 05/01/27		9,222		9,096,782
2.50%, 10/01/27		9,303		9,176,100
2.50%, 11/01/27		3,133		3,089,518
2.50%, 12/01/27		1,391		1,371,733
2.50%, 01/01/28		2,514		2,479,547
2.50%, 09/01/28		2,104		2,074,212
2.50%, 12/01/28		122		119,843
2.50%, 12/01/29		3,259		3,214,294
2.50%, 01/01/30		5,295		5,195,590
2.50%, 02/01/30		1,393		1,364,479
2.50%, 04/01/30		2,176		2,128,688
2.50%, 05/01/30		25,855		25,301,540
2.50%, 06/01/30		82,740		80,970,026
2.50%, 07/01/30		29,473		28,842,162
2.50%, 08/01/30		7,468		7,306,551
2.50%, 09/01/30		4,643		4,543,425
2.50%, 10/01/30		2,120		2,074,930
2.50%, 04/01/31		3,409		3,327,391
2.50%, 09/01/31		5,613		5,476,497
2.50%, 10/01/31		42,920		42,091,427
2.50%, 11/01/31		14,194		13,849,122


Security	Principal (000s)		Value
2.50%, 12/01/31	$	5,123	$	4,995,525
2.50%, 02/01/32		23,212		22,647,745
2.50%, 05/01/32		49,716		48,508,511
2.50%, 10/01/32		7,931		7,736,385
2.50%, 11/01/32		777		757,673
2.50%, 12/01/32		5,860		5,715,573
2.50%, 03/01/33^a		39,298		38,315,550
2.50%, 01/01/43		2,323		2,190,346
2.50%, 02/01/43		2,380		2,243,731
2.50%, 03/01/43		2,287		2,152,898
2.50%, 06/01/43		5,927		5,580,551
2.50%, 08/01/43		785		739,338
2.50%, 04/01/45		107		99,767
2.50%, 05/01/45		918		859,506
2.50%, 03/01/48^a		12,760		11,906,675
3.00%, 12/01/20		201		201,766
3.00%, 03/01/21		6		6,442
3.00%, 04/01/21		6		5,767
3.00%, 05/01/21		7		7,198
3.00%, 08/01/21		256		254,862
3.00%, 09/01/21		25		24,806
3.00%, 10/01/21		96		96,041
3.00%, 02/01/22		26		26,001
3.00%, 03/01/22		7		6,830
3.00%, 07/01/22		306		304,924
3.00%, 09/01/22		13		12,629
3.00%, 12/01/22		47		46,639
3.00%, 09/01/26		74		73,955
3.00%, 01/01/27		7,426		7,441,809
3.00%, 03/01/27		275		275,482
3.00%, 11/01/27		14,051		14,080,160
3.00%, 12/01/28		47		46,672
3.00%, 03/01/29		1,567		1,567,254
3.00%, 05/01/29		538		538,364
3.00%, 08/01/29		462		462,117
3.00%, 09/01/29		1,294		1,293,106
3.00%, 10/01/29		8,856		8,856,842
3.00%, 11/01/29		3,604		3,605,207
3.00%, 12/01/29		1,197		1,197,315
3.00%, 01/01/30		1,482		1,482,438
3.00%, 02/01/30		8,381		8,369,004
3.00%, 03/01/30		38,826		38,799,279
3.00%, 04/01/30		18,422		18,375,352


Security	Principal (000s)		Value
3.00%, 05/01/30	$	11,249	$	11,219,744
3.00%, 06/01/30		3,335		3,326,203
3.00%, 07/01/30		13,266		13,232,703
3.00%, 08/01/30		320		318,929
3.00%, 09/01/30		9,253		9,229,635
3.00%, 10/01/30		1,175		1,171,519
3.00%, 11/01/30		857		855,119
3.00%, 03/01/31		13,932		13,880,686
3.00%, 05/01/31		9,835		9,798,193
3.00%, 07/01/31		2,570		2,560,182
3.00%, 08/01/31		120		119,927
3.00%, 09/01/31		5,504		5,483,909
3.00%, 01/01/32		26,066		25,969,500
3.00%, 02/01/32		9,187		9,155,187
3.00%, 03/01/32		9,689		9,656,125
3.00%, 06/01/32		1,597		1,590,142
3.00%, 07/01/32		3,342		3,330,900
3.00%, 09/01/32		4,746		4,726,519
3.00%, 10/01/32		788		784,791
3.00%, 11/01/32		14,881		14,819,319
3.00%, 01/01/33		11,088		11,042,508
3.00%, 03/01/33		667		663,889
3.00%, 03/01/33^a		146,545		145,880,968
3.00%, 05/01/33		2,013		2,001,247
3.00%, 01/01/37		19,264		19,070,604
3.00%, 10/01/42		1,252		1,225,768
3.00%, 11/01/42		709		694,013
3.00%, 01/01/43		726		710,578
3.00%, 03/01/43		290		283,531
3.00%, 04/01/43		3,540		3,461,895
3.00%, 05/01/43		4,702		4,598,172
3.00%, 06/01/43		6,451		6,310,159
3.00%, 07/01/43		655		641,212
3.00%, 08/01/43		1,634		1,597,974
3.00%, 02/01/44		27,738		27,129,605
3.00%, 02/01/45		826		803,122
3.00%, 03/01/45		260		253,090
3.00%, 04/01/45		400		388,784
3.00%, 05/01/45		39		37,724
3.00%, 04/01/46		8,399		8,169,631
3.00%, 07/01/46		44,895		43,644,264
3.00%, 08/01/46		3,778		3,664,754
3.00%, 10/01/46		15,227		14,775,160


Security	Principal (000s)		Value
3.00%, 11/01/46	$	6,879	$	6,670,708
3.00%, 12/01/46		158,040		153,257,953
3.00%, 01/01/47		104,926		101,826,478
3.00%, 02/01/47		94,427		91,730,823
3.00%, 03/01/47		21,131		20,400,159
3.00%, 08/01/47		7,207		6,988,924
3.00%, 09/01/47		5,877		5,703,026
3.00%, 11/01/47		5,272		5,113,348
3.00%, 12/01/47		18,807		18,266,404
3.00%, 01/01/48		10,616		10,290,038
3.00%, 03/01/48^a		519,433		502,957,235
3.50%, 12/01/25		2,900		2,951,829
3.50%, 01/01/27		910		926,548
3.50%, 04/01/27		3,414		3,475,297
3.50%, 07/01/27		119		121,236
3.50%, 01/01/28		1,367		1,390,759
3.50%, 11/01/28		262		266,511
3.50%, 01/01/29		689		701,525
3.50%, 12/01/29		2,468		2,514,583
3.50%, 11/01/30		1,124		1,144,824
3.50%, 03/01/31		6,085		6,195,369
3.50%, 06/01/31		19,340		19,735,607
3.50%, 08/01/31		499		508,432
3.50%, 01/01/32		12,261		12,474,406
3.50%, 03/01/32		8,981		9,137,274
3.50%, 04/01/32		4,418		4,502,348
3.50%, 05/01/32		7,196		7,328,444
3.50%, 06/01/32		6,625		6,757,044
3.50%, 07/01/32		4,171		4,252,761
3.50%, 08/01/32		2,174		2,215,301
3.50%, 10/01/32		2,535		2,582,690
3.50%, 11/01/32		2,439		2,486,881
3.50%, 03/01/33^a		28,581		29,049,907
3.50%, 06/01/35		22,810		23,219,396
3.50%, 05/01/42		5,748		5,780,009
3.50%, 12/01/42		4,001		4,023,454
3.50%, 06/01/43		15,130		15,197,503
3.50%, 09/01/44		219		220,393
3.50%, 10/01/44		7,295		7,327,702
3.50%, 03/01/45		5,236		5,243,479
3.50%, 05/01/45		2,510		2,510,936
3.50%, 07/01/45		14,999		15,011,900
3.50%, 09/01/45		92,202		92,246,431


Security	Principal (000s)		Value
3.50%, 10/01/45	$	29,392	$	29,508,089
3.50%, 11/01/45		9,330		9,333,728
3.50%, 12/01/45		15,925		15,928,886
3.50%, 01/01/46		2,544		2,552,543
3.50%, 02/01/46		149,132		149,201,984
3.50%, 03/01/46		38,107		38,077,624
3.50%, 04/01/46		56,170		56,343,385
3.50%, 05/01/46		15,542		15,528,833
3.50%, 06/01/46		38,180		38,142,305
3.50%, 07/01/46		48,751		48,768,801
3.50%, 08/01/46		4,014		4,013,402
3.50%, 09/01/46		25,347		25,378,123
3.50%, 10/01/46		9,910		9,921,269
3.50%, 11/01/46		7,047		7,056,421
3.50%, 12/01/46		67,138		67,226,521
3.50%, 01/01/47		79,000		78,942,611
3.50%, 03/01/47		2,270		2,286,408
3.50%, 04/01/47		35,109		35,090,581
3.50%, 05/01/47		62,293		62,272,008
3.50%, 06/01/47		47,631		47,633,720
3.50%, 07/01/47		11,991		12,009,022
3.50%, 08/01/47		66,103		66,219,484
3.50%, 09/01/47		10,862		10,847,311
3.50%, 10/01/47		10,254		10,273,633
3.50%, 11/01/47		95,373		95,249,966
3.50%, 12/01/47		31,888		31,844,171
3.50%, 01/01/48		1,073		1,076,107
3.50%, 02/01/48		121,095		120,952,589
3.50%, 03/01/48^a		225,945		225,486,049
4.00%, 03/01/24		1,496		1,532,804
4.00%, 07/01/25		421		433,336
4.00%, 10/01/25		3,715		3,822,328
4.00%, 11/01/25		1,769		1,815,437
4.00%, 03/01/26		1,099		1,132,914
4.00%, 06/01/26		7,390		7,622,032
4.00%, 07/01/26		326		336,143
4.00%, 09/01/26		2,716		2,799,810
4.00%, 03/01/27		2,610		2,693,486
4.00%, 02/01/29		1,004		1,032,166
4.00%, 12/01/30		2,242		2,329,239
4.00%, 01/01/31		1,383		1,437,206
4.00%, 02/01/31		1,061		1,102,014
4.00%, 10/01/31		3,168		3,290,945


Security	Principal (000s)		Value
4.00%, 02/01/32	$	7,495	$	7,785,329
4.00%, 04/01/32		50		51,582
4.00%, 06/01/32		49		50,621
4.00%, 07/01/32		1,526		1,585,504
4.00%, 03/01/33^a		21,580		22,068,922
4.00%, 06/01/37		12,060		12,488,150
4.00%, 10/01/37		72,484		75,060,494
4.00%, 03/01/42		17,784		18,359,884
4.00%, 04/01/44		2,461		2,525,709
4.00%, 05/01/44		7,023		7,263,271
4.00%, 06/01/44		7,883		8,143,441
4.00%, 10/01/44		10,227		10,536,447
4.00%, 03/01/45		6,759		6,989,929
4.00%, 07/01/45		46,560		48,071,004
4.00%, 09/01/45		37,738		38,689,841
4.00%, 11/01/45		773		793,230
4.00%, 01/01/46		898		920,155
4.00%, 02/01/46		1,156		1,186,325
4.00%, 03/01/46		730		747,744
4.00%, 04/01/46		18,743		19,261,301
4.00%, 05/01/46		17,821		18,264,461
4.00%, 06/01/46		1,738		1,786,531
4.00%, 08/01/46		30,092		30,900,731
4.00%, 09/01/46		915		937,486
4.00%, 10/01/46		15,893		16,296,070
4.00%, 11/01/46		11,092		11,425,151
4.00%, 03/01/47		6,668		6,860,873
4.00%, 04/01/47		64,192		65,923,252
4.00%, 05/01/47		22,611		23,337,978
4.00%, 06/01/47		47,196		48,632,899
4.00%, 07/01/47		24,811		25,601,234
4.00%, 08/01/47		27,054		27,859,934
4.00%, 09/01/47		63,008		64,683,169
4.00%, 10/01/47		26,061		26,753,143
4.00%, 11/01/47		75,575		77,511,556
4.00%, 12/01/47		37,330		38,282,507
4.00%, 01/01/48		391		403,425
4.00%, 02/01/48		193,842		198,642,891
4.00%, 03/01/48^a		60,997		62,454,698
4.50%, 09/01/18		24		24,137
4.50%, 04/01/19		172		173,103
4.50%, 11/01/22		500		507,974
4.50%, 06/01/23		274		279,351


Security	Principal (000s)		Value
4.50%, 03/01/24	$	111	$	113,481
4.50%, 10/01/24		1,534		1,588,970
4.50%, 02/01/25		1,728		1,791,984
4.50%, 04/01/25		1,745		1,813,330
4.50%, 06/01/25		1,884		1,956,840
4.50%, 01/01/27		1,710		1,762,006
4.50%, 08/01/31		4,482		4,722,954
4.50%, 03/01/33^a		1,850		1,851,734
4.50%, 06/01/34		328		351,202
4.50%, 05/01/39		2,358		2,491,506
4.50%, 09/01/40		4,833		5,105,756
4.50%, 12/01/40		3,932		4,153,708
4.50%, 01/01/41		7,542		7,967,306
4.50%, 04/01/41		23,912		25,308,437
4.50%, 05/01/41		16,398		17,338,122
4.50%, 06/01/41		5,087		5,387,903
4.50%, 08/01/41		8,856		9,355,219
4.50%, 09/01/41		17,526		18,514,234
4.50%, 11/01/41		495		524,445
4.50%, 01/01/42		5,898		6,230,551
4.50%, 09/01/42		4,077		4,305,188
4.50%, 10/01/42		4,353		4,599,126
4.50%, 03/01/44		11,080		11,749,116
4.50%, 06/01/44		2,817		2,976,137
4.50%, 12/01/44		23,634		25,146,778
4.50%, 02/01/45		25,224		26,748,893
4.50%, 08/01/45		6,788		7,198,471
4.50%, 11/01/45		622		653,870
4.50%, 12/01/45		757		798,013
4.50%, 01/01/46		587		616,495
4.50%, 02/01/46		18,089		19,163,708
4.50%, 03/01/46		1,415		1,498,241
4.50%, 04/01/46		1,517		1,618,659
4.50%, 05/01/46		157		164,847
4.50%, 07/01/46		359		376,483
4.50%, 08/01/46		31,514		33,051,991
4.50%, 09/01/46		1,413		1,481,775
4.50%, 10/01/46		3,366		3,533,220
4.50%, 12/01/46		904		947,980
4.50%, 01/01/47		5,074		5,321,942
4.50%, 02/01/47		965		1,013,774
4.50%, 03/01/47		631		662,182
4.50%, 04/01/47		1,848		1,941,217


Security	Principal (000s)		Value
4.50%, 06/01/47	$	15,263	$	16,108,015
4.50%, 07/01/47		1,297		1,379,221
4.50%, 08/01/47		2,359		2,495,372
4.50%, 09/01/47		338		358,751
4.50%, 10/01/47		23,085		24,273,652
4.50%, 12/01/47		7,364		7,726,677
4.50%, 01/01/48		9,320		9,792,277
4.50%, 02/01/48		475		497,754
4.50%, 03/01/48^a		508		531,733
5.00%, 08/01/20		21		21,178
5.00%, 07/01/23		2,019		2,098,773
5.00%, 12/01/23		821		846,190
5.00%, 05/01/25		170		172,940
5.00%, 03/01/33^a		1,283		1,296,030
5.00%, 11/01/33		4,017		4,339,114
5.00%, 01/01/35		358		387,214
5.00%, 09/01/35		398		428,173
5.00%, 03/01/36		1,464		1,576,515
5.00%, 05/01/36		1,226		1,319,832
5.00%, 02/01/38		1,740		1,872,595
5.00%, 01/01/39		603		651,006
5.00%, 03/01/39		1,199		1,296,974
5.00%, 04/01/39		5,318		5,772,484
5.00%, 06/01/39		1,811		1,956,914
5.00%, 10/01/39		994		1,073,356
5.00%, 11/01/39		101		108,777
5.00%, 12/01/39		1,238		1,334,573
5.00%, 01/01/40		28		30,486
5.00%, 03/01/40		521		565,744
5.00%, 04/01/40		2,843		3,061,099
5.00%, 05/01/40		205		221,161
5.00%, 06/01/40		280		301,849
5.00%, 07/01/40		3,767		4,055,366
5.00%, 08/01/40		11,909		12,862,446
5.00%, 09/01/40		78		83,785
5.00%, 10/01/40		277		297,747
5.00%, 02/01/41		19		20,294
5.00%, 03/01/41		3,543		3,815,410
5.00%, 04/01/41		6,880		7,424,208
5.00%, 05/01/41		24,799		26,764,241
5.00%, 06/01/41		2,141		2,318,339
5.00%, 08/01/41		2,871		3,116,043
5.00%, 07/01/45		12,000		12,921,476


Security	Principal (000s)		Value
5.00%, 04/01/47	$	439	$	469,909
5.00%, 05/01/47		272		290,768
5.00%, 06/01/47		13,296		14,231,937
5.00%, 07/01/47		465		497,640
5.00%, 08/01/47		917		982,183
5.00%, 09/01/47		8,066		8,629,055
5.00%, 10/01/47		5,921		6,332,778
5.00%, 11/01/47		335		359,171
5.00%, 03/01/48^a		49,355		52,663,093
5.50%, 12/01/19		249		251,579
5.50%, 03/01/28		826		900,834
5.50%, 05/01/33		1,512		1,659,883
5.50%, 11/01/33		3,096		3,399,430
5.50%, 09/01/34		2,228		2,444,945
5.50%, 09/01/35		563		616,890
5.50%, 04/01/36		3,834		4,203,431
5.50%, 05/01/36		795		871,842
5.50%, 09/01/36		6,003		6,590,399
5.50%, 08/01/37		5,016		5,499,067
5.50%, 03/01/38		1,762		1,928,788
5.50%, 07/01/38		1,551		1,697,707
5.50%, 11/01/38		1,669		1,826,808
5.50%, 07/01/40		4,258		4,677,686
5.50%, 09/01/40		11,179		12,281,369
5.50%, 05/01/44		16,946		18,544,380
5.50%, 03/01/48^a		34,357		37,309,555
6.00%, 03/01/34		2,365		2,609,285
6.00%, 05/01/34		462		511,614
6.00%, 08/01/34		794		877,665
6.00%, 11/01/34		258		285,560
6.00%, 06/01/36		1,369		1,515,308
6.00%, 08/01/36		1,384		1,532,452
6.00%, 03/01/38		825		913,875
6.00%, 05/01/38		1,872		2,071,505
6.00%, 08/01/38		137		145,684
6.00%, 06/01/39		6,944		7,689,224
6.00%, 10/01/39		476		527,331
6.00%, 03/01/48^a		2,896		3,214,116
6.50%, 08/01/36		53		59,346
6.50%, 09/01/36		422		473,781
6.50%, 10/01/36		61		68,670
6.50%, 12/01/36		53		58,949
6.50%, 07/01/37		106		119,366


Security	Principal (000s)		Value
6.50%, 08/01/37	$	3,396	$	3,821,228
6.50%, 10/01/37		188		211,698
6.50%, 11/01/37		32		35,921
6.50%, 12/01/37		142		159,648
6.50%, 06/01/38		47		51,488
6.50%, 10/01/39		3,159		3,545,139
6.50%, 05/01/40		2,218		2,500,275
7.00%, 04/01/37		1,162		1,330,264
(12 mo. LIBOR US + 1.530%) 2.02%, 04/01/43^c		1,158		1,187,760
(12 mo. LIBOR US + 1.535%) 2.04%, 06/01/43^c		4,845		4,802,352
(12 mo. LIBOR US + 1.695%) 2.45%, 08/01/42^c		5,819		5,974,938
(12 mo. LIBOR US + 1.758%) 3.51%, 08/01/41^c		331		351,563
(12 mo. LIBOR US + 1.805%) 3.65%, 02/01/42^c		2,823		2,961,734
(12 mo. LIBOR US + 1.806%) 3.56%, 12/01/38^c		430		451,220
(12 mo. LIBOR US + 1.815%) 3.57%, 10/01/41^c		1,816		1,926,083
(12 mo. LIBOR US + 1.822%) 3.29%, 09/01/41^c		194		202,733
Government National Mortgage Association
2.50%, 03/01/48^a		31,200		29,508,375
3.00%, 07/15/27		7,012		7,011,450
3.00%, 08/15/42		640		630,001
3.00%, 09/15/42		497		488,948
3.00%, 10/15/42		1,147		1,128,265
3.00%, 12/15/42		592		581,953
3.00%, 02/20/43		654		643,039
3.00%, 04/15/43		56		54,880
3.00%, 09/20/43		3,012		2,961,999
3.00%, 11/20/43		107		105,690
3.00%, 12/20/43		31		30,165
3.00%, 01/20/44		9,167		9,013,324
3.00%, 02/20/44		2,540		2,497,878
3.00%, 03/20/44		3,046		2,995,417
3.00%, 04/20/44		54		52,930
3.00%, 06/20/44		528		518,961
3.00%, 07/20/44		2,193		2,154,783


Security	Principal (000s)		Value
3.00%, 08/20/44	$	65,462	$	64,316,872
3.00%, 10/15/44		2,537		2,490,772
3.00%, 05/15/45		3,229		3,168,927
3.00%, 07/15/45		86		84,094
3.00%, 08/15/45		7,903		7,755,168
3.00%, 08/20/45		108,583		106,326,413
3.00%, 07/15/46		912		892,758
3.00%, 07/20/46		27,421		26,838,810
3.00%, 12/20/46		48,723		47,688,121
3.00%, 01/20/47		17,952		17,571,175
3.00%, 06/20/47		285		278,748
3.00%, 11/20/47		4,409		4,312,410
3.00%, 12/20/47		7,740		7,571,111
3.00%, 01/20/48		4,980		4,870,981
3.00%, 03/01/48^a		647,203		632,265,415
3.50%, 08/15/24		1,103		1,126,039
3.50%, 02/20/31		189		192,590
3.50%, 06/20/32		938		958,351
3.50%, 01/15/41		55		55,312
3.50%, 09/15/41		591		598,734
3.50%, 12/15/41		5,739		5,815,304
3.50%, 02/15/42		210		212,720
3.50%, 03/15/42		151		152,985
3.50%, 04/15/42		1,269		1,284,879
3.50%, 05/15/42		1,413		1,431,345
3.50%, 07/15/42		589		596,931
3.50%, 09/15/42		2,617		2,651,993
3.50%, 10/15/42		2,690		2,725,298
3.50%, 11/15/42		2,087		2,113,394
3.50%, 01/15/43		327		331,460
3.50%, 02/15/43		254		256,893
3.50%, 03/15/43		1,457		1,473,757
3.50%, 05/15/43		2,199		2,223,284
3.50%, 06/15/43		742		750,135
3.50%, 02/20/44		761		769,432
3.50%, 09/15/44		710		717,197
3.50%, 04/20/45		17,419		17,537,919
3.50%, 10/20/45		859		864,737
3.50%, 10/20/46		58,727		59,142,479
3.50%, 01/20/47		94,216		94,882,850
3.50%, 02/20/47		190,843		192,192,722
3.50%, 04/20/47		37,797		38,044,797
3.50%, 08/20/47		25,709		25,895,901


Security	Principal (000s)		Value
3.50%, 09/20/47	$	68,788	$	69,225,934
3.50%, 10/20/47		180,947		182,142,555
3.50%, 11/20/47		35,621		35,847,775
3.50%, 12/20/47		50,819		51,202,369
3.50%, 01/20/48		112,607		113,324,616
3.50%, 03/01/48^a		494,486		497,190,220
4.00%, 11/20/40		453		469,914
4.00%, 01/15/41		85		88,152
4.00%, 02/15/41		6,540		6,757,069
4.00%, 03/15/41		1,265		1,309,277
4.00%, 04/15/41		4,597		4,758,312
4.00%, 05/15/41		891		922,091
4.00%, 07/15/41		2,434		2,511,322
4.00%, 09/15/41		223		230,022
4.00%, 12/15/41		1,758		1,819,828
4.00%, 01/15/42		1,009		1,044,592
4.00%, 02/15/42		4,819		4,990,528
4.00%, 03/15/42		6,836		7,088,274
4.00%, 04/15/42		4,468		4,633,581
4.00%, 05/15/42		1,133		1,174,944
4.00%, 08/15/42		1,566		1,623,434
4.00%, 10/15/42		556		576,276
4.00%, 04/20/43		417		431,822
4.00%, 03/15/44		277		285,862
4.00%, 08/15/44		71		73,505
4.00%, 08/20/44		6,984		7,225,203
4.00%, 10/20/44		16,307		16,869,279
4.00%, 09/20/45		30,942		31,969,968
4.00%, 10/20/45		823		849,922
4.00%, 01/20/46		3,029		3,129,274
4.00%, 03/20/46		1,918		1,982,028
4.00%, 07/20/46		3,360		3,459,376
4.00%, 09/20/46		6,139		6,321,039
4.00%, 11/20/46		12,450		12,819,479
4.00%, 12/15/46		5,899		6,080,283
4.00%, 09/20/47		73,189		75,269,202
4.00%, 11/20/47		97,319		100,084,896
4.00%, 12/20/47		39,124		40,235,385
4.00%, 03/01/48^a		239,162		245,364,751
4.50%, 04/15/39		576		604,952
4.50%, 07/15/39		1,830		1,922,801
4.50%, 08/15/39		4,045		4,249,373
4.50%, 11/20/39		1,422		1,492,325


Security	Principal (000s)		Value
4.50%, 01/20/40	$	1,556	$	1,633,573
4.50%, 06/15/40		7,454		7,819,632
4.50%, 07/15/40		3,721		3,903,335
4.50%, 08/15/40		11,816		12,396,353
4.50%, 08/20/40		2,512		2,650,560
4.50%, 10/20/40		6,440		6,794,783
4.50%, 04/20/41		13,332		14,091,252
4.50%, 06/20/41		8,269		8,725,197
4.50%, 09/20/41		4,070		4,294,398
4.50%, 11/20/41		4,002		4,223,117
4.50%, 11/20/45		10,934		11,504,989
4.50%, 02/15/46		117		123,682
4.50%, 09/20/46		1,321		1,390,657
4.50%, 10/20/46		6,252		6,558,128
4.50%, 11/20/46		1,922		2,016,205
4.50%, 09/20/47		12,198		12,720,317
4.50%, 10/20/47		9,788		10,206,361
4.50%, 12/20/47		24,117		25,148,280
4.50%, 01/20/48		25,490		26,580,509
4.50%, 03/01/48^a		37,588		39,083,322
5.00%, 11/15/24		800		838,631
5.00%, 05/20/33		461		492,007
5.00%, 07/20/35		1,916		2,048,040
5.00%, 12/15/36		7,450		7,895,049
5.00%, 01/15/39		2,711		2,904,625
5.00%, 07/15/39		7,307		7,828,130
5.00%, 10/20/39		2,498		2,660,967
5.00%, 05/15/40		1,434		1,532,648
5.00%, 07/20/40		9,080		9,665,387
5.00%, 08/20/40		2,666		2,838,117
5.00%, 11/20/41		7,307		7,786,212
5.00%, 07/20/42		1,375		1,466,536
5.00%, 03/15/44		6,351		6,787,980
5.00%, 02/20/46		2,031		2,148,734
5.00%, 07/20/46		40		42,452
5.00%, 07/15/47		866		913,941
5.00%, 08/15/47		439		462,992
5.00%, 09/20/47		331		346,137
5.00%, 03/01/48^a		7,952		8,352,085
5.50%, 11/20/34		2,258		2,454,524
5.50%, 03/15/36		1,669		1,822,961
5.50%, 03/20/36		472		512,472
5.50%, 07/20/36		618		671,281


Security	Principal (000s)		Value
5.50%, 06/20/38	$	2,581	$	2,799,741
5.50%, 10/15/38		1,590		1,727,506
5.50%, 03/20/39		1,723		1,867,743
5.50%, 12/15/39		442		480,897
5.50%, 01/15/40		3,760		4,086,699
5.50%, 07/20/40		3,742		4,055,507
6.00%, 03/15/37		3,419		3,795,410
6.00%, 09/20/38		4,075		4,493,019
6.00%, 12/15/38		1,538		1,705,147
6.00%, 09/20/39		305		332,553
6.00%, 11/15/39		599		661,927
6.00%, 04/20/40		624		682,076
6.00%, 07/20/45		425		463,890
6.00%, 01/20/46		1,276		1,392,728
6.00%, 03/01/48^a		7,000		7,763,438
6.50%, 10/20/38		1,712		1,920,339

				11,837,022,065

TOTAL U.S. GOVERNMENT AGENCY OBLIGATIONS
(Cost: $12,030,074,869)				11,837,022,065


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 32.95%

MONEY MARKET FUNDS — 32.95%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^d,e,f		3,912,433	$	3,912,824,176
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^d,e		100		100,000

				3,912,924,176

TOTAL SHORT-TERM INVESTMENTS
(Cost: $3,912,670,374)				3,912,924,176


TOTAL INVESTMENTS IN SECURITIES — 132.62%
(Cost: $15,942,745,243)				15,749,946,241
Other Assets, Less Liabilities — (32.62)%				(3,873,570,126	)

NET ASSETS — 100.00%			$	11,876,376,115

^a	To-be-announced (TBA). See Note 1.

^b	All or a portion of this security has been pledged as collateral for TBA transactions. See Note 1.

^c	Floating rate security. Rate shown is the rate in effect as of period end.

^d	Affiliate of the Fund.

^e	Annualized 7-day yield as of period end.

^f	All or a portion of this security represents an investment of TBA cash collateral.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

The iShares MBS ETF may purchase mortgage pass-through securities on a when-issued or to-be-announced (“TBA”) basis, with payment and delivery scheduled for a future date. The Fund may enter into a TBA agreement, sell the obligation to purchase the pools stipulated in the TBA agreement prior to the stipulated settlement date and enter into a new TBA agreement for future delivery of pools of mortgage pass-through securities (a “TBA roll”). A TBA roll is treated by the Fund as a purchase transaction and a sale transaction in which the Fund realizes a gain or loss. The Fund’s use of TBA rolls may cause the Fund to experience higher portfolio turnover and higher transaction costs. The Fund could be exposed to possible risk if there are adverse market actions, expenses or delays in connection with the TBA transactions, or if the counterparty fails to complete the transaction.

To mitigate counterparty risk, the Fund has entered into a two-way collateral agreement for TBA transactions with certain counterparties. Under such agreement, the “in-the-money” party of a TBA transaction may at any time require the other party to pledge collateral assets (in the form of cash or securities) to offset any loss the in-the-money party would incur upon cancellation of the TBA transaction. A party is in-the-money if they are the buyer and the market value of the TBA transaction increases or if they are the seller and the market value of the TBA transaction decreases. Cash received as collateral from the counterparty may be reinvested in money market funds, including those managed by the Fund’s investment adviser, or its affiliates. Such collateral, if any, is presented in the statement of assets and liabilities as “Investments in securities – affiliated” and “Payable due to broker for TBA collateral.” Securities pledged as collateral by the Fund, if any, are noted in the schedule of investments.

a value of at least 105% for all other securities. The collateral is maintained thereafter at a value equal to at least 100% of the current value of the securities on loan. The market value of the loaned securities is determined at the close of each business day of the Funds. Any additional required collateral is delivered to the Funds and any excess collateral is returned by the Funds on the next business day. During the term of the loan, each Fund is entitled to all distributions made on or in respect of the loaned securities but does not receive interest income on securities received as collateral. Loans of securities are terminable at any time and the borrower, after notice, is required to return borrowed securities within the standard time period for settlement of securities transactions.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

For its investment advisory services to each of the following Funds, BFA is entitled to an annual investment advisory fee, accrued daily and paid monthly by the Funds, based on the average daily net assets of each Fund as follows:

Effective July 13, 2017, for its investment advisory services to the iShares MBS ETF, BFA is entitled to an annual investment advisory fee, accrued daily and paid monthly by the Fund, based on the Fund’s allocable portion of the aggregate of the average daily net assets of the Fund and certain other iShares funds, as follows:

Prior to July 13, 2017, for its investment advisory services to the iShares MBS ETF, BFA was entitled to an annual investment advisory fee, accrued daily and paid monthly by the Fund, based on the Fund’s allocable portion of the aggregate of the average daily net assets of the Fund and certain other iShares funds, as follows:

In addition, the iShares MBS ETF may incur its pro rata share of fees and expenses attributable to its investments in other investment companies (“acquired fund fees and expenses”). The total of the investment advisory fee and acquired fund fees and expenses are the Fund’s total annual operating expenses. Effective July 13, 2017, BFA has contractually agreed to waive a portion of its investment advisory fees for the Fund through February 28, 2023 in order to limit total annual operating expenses after fee waiver to 0.09% of average daily net assets.

investment fees each Fund bears to an annual rate of 0.04% (the “collateral investment fees”). Securities lending income is equal to the total of income earned from the reinvestment of cash collateral (excluding collateral investment fees), net of fees and other payments to and from borrowers of securities. The Funds retain a portion of securities lending income and remit the remaining portion to BTC as compensation for its services as securities lending agent.

For the year ended February 28, 2018, the total of securities lending agent services and collateral investment fees paid were as follows:

For the year ended February 28, 2018, transactions executed by the Funds pursuant to Rule 17a-7 under the 1940 Act were as follows:

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind transactions (see Note 4) for the year ended February 28, 2018 were as follows:

From time to time, settlement of securities related to in-kind contributions or in-kind redemptions may be delayed. In such cases, securities related to in-kind contributions are reflected as “Due from custodian” and securities related to in-kind redemptions are reflected as “Securities related to in-kind transactions” in the statements of assets and liabilities.

social instability; (iii) regulation, taxation or international tax treaties between various countries; or (iv) currency, interest rate or price fluctuations. Each Fund’s prospectus provides details of the risks to which the Fund is subject.

When a fund concentrates its investments in mortgage-backed securities, it assumes a greater risk of prepayment or payment extension by securities issuers, which may have a significant impact on its investment performance.

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares Intermediate Government/Credit Bond ETF, iShares Government/Credit Bond ETF, iShares Agency Bond ETF and iShares MBS ETF (four of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations for the year ended February 28, 2018, the statements of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, the results of each of their operations for the year then ended, the changes in each of their net assets for each of the two years in the period ended February 28, 2018 and each of the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

For the fiscal year ended February 28, 2018, the following Funds hereby designate the following maximum amounts allowable as interest-related dividends eligible for exemption from U.S. withholding tax for nonresident aliens and foreign corporations:

The following Funds hereby designate the following amounts of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018:

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

U.S. corporate bond performance was positive during the 12 months ended February 28, 2018 (“reporting period”). The Markit iBoxx^® USD Liquid Investment Grade and High Yield Indexes, broad measures of U.S. dollar-denominated investment-grade and high-yield corporate bond performance, returned 2.22% and 3.13%, respectively, for the reporting period.

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher Treasury bond yields and lower bond prices, particularly in the latter half of the reporting period. However, investment-grade and high-yield corporate bonds outperformed Treasury bonds as the difference in yield between corporate and Treasury bonds narrowed during the reporting period.

Corporate securities benefited from strong investor demand for yield, as well as a shift from stocks to bonds by many pension plans and other large institutional investors in a bid to reduce risk. At the same time, supply was comparatively limited; although overall issuance of corporate bonds hit a record high in 2017, net new corporate bond supply, which accounts for maturities and coupon payments of existing bonds, was lower in 2017 than either of the prior two years. In addition, federal tax reform made it less attractive for corporations to issue bonds and less costly to repatriate cash held overseas. Lower-rated and longer-term bonds performed the best across both the investment-grade and high-yield corporate markets, reflecting investor demand for higher-yielding securities.

Corporate credit quality generally improved during the reporting period. Corporate earnings remained strong, which led to a reduction in the corporate debt-to-earnings ratio. This helped default rates on high-yield bonds end 2017 at the lowest level in nearly four years, while credit rating upgrades outpaced downgrades.

The iShares iBoxx $ High Yield Corporate Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated, high yield corporate bonds, as represented by the Markit iBoxx^® USD Liquid High Yield Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 2.87%, net of fees, while the total return for the Index was 3.13%.

ALLOCATION BY SECTOR

As of 2/28/18


Sector		Percentage of Total Investments¹


Communications	24.36	%
Consumer Non-Cyclical	17.26
Energy	13.69
Consumer Cyclical	12.94
Financial	9.39
Industrial	7.94
Technology	6.10
Basic Materials	5.03
Utilities	3.29

TOTAL	100.00	%

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Baa	0.92	%
Ba	44.86
B	40.38
Caa	12.58
Ca	0.30
C	0.01
Not Rated	0.95

TOTAL	100.00	%

The iShares iBoxx $ Investment Grade Corporate Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated, investment-grade corporate bonds, as represented by the Markit iBoxx^® USD Liquid Investment Grade Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 2.06%, net of fees, while the total return for the Index was 2.22%.

ALLOCATION BY SECTOR

As of 2/28/18


Sector	Percentage of Total Investments¹
Financial		33.52	%
Consumer Non-Cyclical		18.96
Communications		13.36
Energy		10.22
Technology		10.20
Consumer Cyclical		5.28
Industrial		4.28
Utilities		2.26
Basic Materials		1.92

TOTAL		100.00	%

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²	Percentage of Total Investments¹
Aaa		3.29	%
Aa		8.09
A		42.47
Baa		42.97
Ba		2.76
Not Rated		0.42

TOTAL		100.00	%


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 97.41%

ADVERTISING — 0.36%
Lamar Media Corp.
5.00%, 05/01/23 (Call 05/01/18)^a	$	8,605	$	8,787,857
5.38%, 01/15/24 (Call 01/15/19)^a		7,711		7,951,969
5.75%, 02/01/26 (Call 02/01/21)^a		5,753		5,955,553
5.88%, 02/01/22 (Call 03/19/18)^a		9,231		9,417,928
Outfront Media Capital LLC/Outfront Media Capital Corp.
5.25%, 02/15/22 (Call 04/02/18)^a		8,669		8,874,889
5.63%, 02/15/24 (Call 02/15/19)		7,744		7,840,800
5.88%, 03/15/25 (Call 09/15/19)^a		6,245		6,338,675

				55,167,671
AEROSPACE & DEFENSE — 1.25%
Arconic Inc.
5.13%, 10/01/24 (Call 07/01/24)^a		20,588		21,250,334
5.40%, 04/15/21 (Call 01/15/21)		21,794		22,615,634
5.72%, 02/23/19		5,041		5,204,833
5.87%, 02/23/22^a		9,913		10,477,545
6.15%, 08/15/20^a		22,495		23,810,957
KLX Inc.
5.88%, 12/01/22 (Call 04/02/18)^a,b		19,302		19,904,182
TransDigm Inc.
5.50%, 10/15/20 (Call 04/02/18)^a		7,948		8,017,545
6.00%, 07/15/22 (Call 04/02/18)^a		18,232		18,665,010
6.38%, 06/15/26 (Call 06/15/21)^a		17,665		18,052,159
6.50%, 07/15/24 (Call 07/15/19)^a		21,967		22,624,953
6.50%, 05/15/25 (Call 05/15/20)^a		11,622		11,912,550


Security	Principal (000s)		Value
Triumph Group Inc.
7.75%, 08/15/25 (Call 08/15/20)	$	8,721	$	9,026,235

				191,561,937
AIRLINES — 0.22%
Air Canada
7.75%, 04/15/21^a,b		6,145		6,764,389
American Airlines Group Inc.
4.63%, 03/01/20^b		7,520		7,595,200
5.50%, 10/01/19^b		11,436		11,689,943
United Continental Holdings Inc.
4.25%, 10/01/22^a		7,784		7,782,784

				33,832,316
APPAREL — 0.21%
Hanesbrands Inc.
4.63%, 05/15/24 (Call 02/15/24)^a,b		16,487		16,365,408
4.88%, 05/15/26 (Call 02/15/26)^a,b		15,935		15,656,138

				32,021,546
AUTO MANUFACTURERS — 0.89%
Fiat Chrysler Automobiles NV
4.50%, 04/15/20^a		24,900		25,169,652
5.25%, 04/15/23^a		25,705		26,456,293
Jaguar Land Rover Automotive PLC
3.50%, 03/15/20 (Call 12/15/19)^a,b		8,445		8,337,749
4.13%, 12/15/18^a,b		1,371		1,376,762
4.25%, 11/15/19^a,b		6,922		6,960,648
4.50%, 10/01/27 (Call 07/01/27)^b		8,367		7,980,026
5.63%, 02/01/23 (Call 04/02/18)^a,b		9,272		9,454,129
Navistar International Corp.
6.63%, 11/01/25 (Call 11/01/20)^a,b		19,356		19,892,806
Tesla Inc.
5.30%, 08/15/25 (Call 08/15/20)^a,b		32,045		30,363,118

				135,991,183


Security	Principal (000s)		Value
AUTO PARTS & EQUIPMENT — 1.07%
Allison Transmission Inc.
4.75%, 10/01/27 (Call 10/01/22)^a,b	$	8,174	$	7,999,026
5.00%, 10/01/24 (Call 10/01/19)^a,b		17,809		18,053,874
American Axle & Manufacturing Inc.
6.25%, 03/15/21 (Call 04/02/18)^a		6,048		6,134,365
6.25%, 04/01/25 (Call 04/01/20)^a		14,213		14,676,344
6.50%, 04/01/27 (Call 04/01/22)^a		8,469		8,748,213
6.63%, 10/15/22 (Call 04/02/18)^a		8,006		8,246,180
Dana Financing Luxembourg Sarl
5.75%, 04/15/25 (Call 04/15/20)^a,b		5,460		5,603,352
Dana Inc.
5.50%, 12/15/24 (Call 12/15/19)^a		7,405		7,545,731
Goodyear Tire & Rubber Co. (The)
4.88%, 03/15/27 (Call 12/15/26)^a		12,679		12,491,351
5.00%, 05/31/26 (Call 05/31/21)^a		18,043		18,004,940
5.13%, 11/15/23 (Call 11/15/18)^a		16,032		16,341,188
ZF North America Capital Inc.
4.00%, 04/29/20^a,b		9,397		9,536,644
4.50%, 04/29/22^b		9,291		9,523,958
4.75%, 04/29/25^b		20,033		20,572,088

				163,477,254
BANKS — 1.76%
BPCE SA
(3 mo. LIBOR US + 12.980%)
12.50%, (Call 09/30/19)^a,b,c,d		7,428		8,421,495
CIT Group Inc.
3.88%, 02/19/19^a		13,588		13,668,169


Security	Principal (000s)		Value
5.00%, 08/15/22	$	18,336	$	18,892,191
5.00%, 08/01/23		11,978		12,333,257
5.38%, 05/15/20		7,634		7,894,510
Deutsche Bank AG
(5 year USD Swap + 2.248%)
4.30%, 05/24/28 (Call 05/24/23)^a,d		26,195		25,361,245
Deutsche Bank AG/New York NY
(5 year USD ICE Swap + 2.553%)
4.88%, 12/01/32 (Call 12/01/27)^d		18,501		17,284,054
Fifth Third Bancorp.
(3 mo. LIBOR US + 3.033%) 5.10%, (Call 06/30/23)^a,c,d		11,300		11,215,250
Royal Bank of Scotland Group PLC
5.13%, 05/28/24^a		38,573		39,488,981
6.00%, 12/19/23^a		34,469		36,769,244
6.10%, 06/10/23^a		16,805		17,948,767
6.13%, 12/15/22		39,802		42,355,927
UniCredit SpA
(5 year USD ICE Swap + 3.703%)
5.86%, 06/19/32 (Call 06/19/27)^a,b,d		17,194		17,638,259

				269,271,349
BEVERAGES — 0.00%
Cott Holdings Inc.
5.50%, 04/01/25 (Call 04/01/20)^b		425		423,343

				423,343
BIOTECHNOLOGY — 0.01%
Concordia International Corp.
9.50%, 10/21/22 (Call 12/15/18)^b,e		9,503		855,270

				855,270
BUILDING MATERIALS — 0.55%
Builders FirstSource Inc.
5.63%, 09/01/24 (Call 09/01/19)^a,b		271		275,743


Security	Principal (000s)		Value
Griffon Corp.
5.25%, 03/01/22 (Call 04/02/18)^a	$	13,370	$	13,376,685
Standard Industries Inc./NJ
4.75%, 01/15/28 (Call 01/15/23)^b		16,727		16,099,737
5.00%, 02/15/27 (Call 02/15/22)^b		9,095		8,998,366
5.38%, 11/15/24 (Call 11/15/19)^a,b		17,468		17,861,030
5.50%, 02/15/23 (Call 02/15/19)^a,b		8,064		8,300,492
6.00%, 10/15/25 (Call 10/15/20)^a,b		18,745		19,705,681

				84,617,734
CHEMICALS — 1.95%
Ashland LLC
4.75%, 08/15/22 (Call 05/15/22)^a		18,527		18,851,222
Blue Cube Spinco Inc.
9.75%, 10/15/23 (Call 10/15/20)^a		12,556		14,550,246
10.00%, 10/15/25 (Call 10/15/20)^a		7,977		9,512,573
CF Industries Inc.
3.45%, 06/01/23^a		12,153		11,757,314
7.13%, 05/01/20		8,603		9,180,980
Chemours Co. (The)
5.38%, 05/15/27 (Call 02/15/27)^a		9,194		9,216,985
6.63%, 05/15/23 (Call 05/15/18)		19,801		20,768,067
7.00%, 05/15/25 (Call 05/15/20)^a		12,016		12,935,687
Hexion Inc.
6.63%, 04/15/20 (Call 04/02/18)^a		24,786		23,195,168
10.38%, 02/01/22 (Call 02/01/19)^b		10,314		10,067,059
Hexion Inc./Hexion Nova Scotia Finance ULC
9.00%, 11/15/20 (Call 04/02/18)^a		10,065		8,096,034


Security	Principal (000s)		Value
Huntsman International LLC
4.88%, 11/15/20 (Call 08/15/20)	$	9,797	$	10,054,171
5.13%, 11/15/22 (Call 08/15/22)		6,379		6,571,095
NOVA Chemicals Corp.
4.88%, 06/01/24 (Call 03/03/24)^a,b		19,945		19,695,687
5.00%, 05/01/25 (Call 01/31/25)^a,b		8,368		8,272,553
5.25%, 08/01/23 (Call 08/01/18)^a,b		6,980		7,103,557
5.25%, 06/01/27 (Call 03/03/27)^a,b		17,539		17,039,081
Olin Corp.
5.00%, 02/01/30 (Call 02/01/24)		9,232		8,915,804
5.13%, 09/15/27 (Call 03/15/22)		7,626		7,537,928
Platform Specialty Products Corp.
5.88%, 12/01/25 (Call 12/01/20)^a,b		14,341		14,247,274
6.50%, 02/01/22 (Call 04/02/18)^a,b		17,207		17,680,192
Tronox Finance LLC
7.50%, 03/15/22 (Call 04/02/18)^b		14,245		14,751,793
Tronox Finance PLC
5.75%, 10/01/25 (Call 10/01/20)^a,b		6,606		6,566,175
WR Grace & Co.-Conn
5.13%, 10/01/21^a,b		10,449		10,814,715

				297,381,360
COAL — 0.15%
Murray Energy Corp.
11.25%, 04/15/21 (Call 04/15/18)^b		16,806		7,562,700
Peabody Energy Corp.
6.00%, 03/31/22 (Call 03/31/19)^b		6,900		7,084,959
6.38%, 03/31/25 (Call 03/31/20)^a,b		7,352		7,643,782

				22,291,441


Security	Principal (000s)		Value
COMMERCIAL SERVICES — 3.43%
ADT Corp. (The)
3.50%, 07/15/22	$	17,920	$	17,116,801
4.13%, 06/15/23		13,581		13,232,733
6.25%, 10/15/21		16,547		17,612,213
APX Group Inc.
6.38%, 12/01/19 (Call 04/02/18)^a		317		321,755
7.63%, 09/01/23 (Call 09/01/19)^a		9,060		9,610,207
7.88%, 12/01/22 (Call 12/01/18)		14,646		15,451,530
8.75%, 12/01/20 (Call 04/02/18)		14,350		14,507,408
Ashtead Capital Inc.
4.13%, 08/15/25 (Call 08/15/20)^a,b		11,307		11,052,592
4.38%, 08/15/27 (Call 08/15/22)^a,b		8,483		8,218,530
5.63%, 10/01/24 (Call 10/01/19)^a,b		9,716		10,138,218
Avis Budget Car Rental LLC/Avis Budget Finance Inc.
5.13%, 06/01/22 (Call 04/02/18)^a,b		6,263		6,262,511
5.50%, 04/01/23 (Call 04/02/18)^a		12,140		12,087,334
Hertz Corp. (The)
5.50%, 10/15/24 (Call 10/15/19)^a,b		14,159		12,243,405
5.88%, 10/15/20 (Call 04/02/18)^a		10,563		10,479,678
6.25%, 10/15/22 (Call 04/02/18)^a		7,372		6,977,368
7.38%, 01/15/21 (Call 04/02/18)^a		7,550		7,510,362
7.63%, 06/01/22 (Call 06/01/19)^a,b		21,957		22,573,818
Jaguar Holding Co. II/Pharmaceutical Product Development LLC
6.38%, 08/01/23 (Call 08/01/18)^a,b		19,716		19,863,870


Security	Principal (000s)		Value
Nielsen Co. Luxembourg Sarl (The)
5.00%, 02/01/25 (Call 02/01/20)^a,b	$	9,593	$	9,576,612
5.50%, 10/01/21 (Call 04/02/18)^a,b		9,618		9,834,405
Nielsen Finance LLC/Nielsen Finance Co.
4.50%, 10/01/20 (Call 04/02/18)^a		12,099		12,137,314
5.00%, 04/15/22 (Call 04/02/18)^a,b		39,483		39,927,184
Prime Security Services Borrower LLC/Prime Finance Inc.
9.25%, 05/15/23 (Call 05/15/19)^a,b		57,138		62,208,997
RR Donnelley & Sons Co.
6.00%, 04/01/24^a		362		350,688
7.88%, 03/15/21		6,316		6,587,062
Service Corp. International/U.S.
4.63%, 12/15/27 (Call 12/15/22)^a		9,524		9,283,505
5.38%, 01/15/22 (Call 04/02/18)^a		6,482		6,590,573
5.38%, 05/15/24 (Call 05/15/19)^a		14,016		14,471,520
ServiceMaster Co. LLC (The)
5.13%, 11/15/24 (Call 11/15/19)^a,b		13,698		13,458,285
United Rentals North America Inc.
4.63%, 07/15/23 (Call 07/15/18)^a		16,753		17,129,942
4.63%, 10/15/25 (Call 10/15/20)^a		12,999		12,664,208
4.88%, 01/15/28 (Call 01/15/23)^a		29,054		28,297,678
5.50%, 07/15/25 (Call 07/15/20)^a		13,921		14,356,031
5.50%, 05/15/27 (Call 05/15/22)		19,811		20,219,941


Security	Principal (000s)		Value
5.75%, 11/15/24 (Call 05/15/19)^a	$	14,997	$	15,507,648
5.88%, 09/15/26 (Call 09/15/21)^a		15,851		16,610,203

				524,472,129
COMPUTERS — 1.63%
Dell Inc.
4.63%, 04/01/21^a		5,754		5,790,721
5.88%, 06/15/19^a		8,858		9,095,217
Dell International LLC/EMC Corp.
5.88%, 06/15/21 (Call 06/15/18)^a,b		28,324		29,067,505
7.13%, 06/15/24 (Call 06/15/19)^a,b		27,466		29,643,230
EMC Corp.
2.65%, 06/01/20		32,567		31,646,982
3.38%, 06/01/23 (Call 03/01/23)		16,956		15,557,130
Exela Intermediate LLC/Exela Finance Inc.
10.00%, 07/15/23 (Call 07/15/20)^a,b		18,595		18,525,269
Harland Clarke Holdings Corp.
8.38%, 08/15/22 (Call 02/15/19)^a,b		15,725		16,295,031
9.25%, 03/01/21 (Call 04/02/18)^a,b		11,006		11,391,210
Leidos Holdings Inc.
4.45%, 12/01/20 (Call 09/01/20)^a		6,649		6,807,978
NCR Corp.
4.63%, 02/15/21 (Call 04/02/18)^a		7,835		7,780,435
5.00%, 07/15/22 (Call 04/02/18)^a		9,292		9,321,867
5.88%, 12/15/21 (Call 04/02/18)^a		5,779		5,899,740
6.38%, 12/15/23 (Call 12/15/18)^a		10,831		11,264,240
West Corp.
8.50%, 10/15/25 (Call 10/15/20)^a,b		18,623		18,064,310


Security	Principal (000s)		Value
Western Digital Corp.
4.75%, 02/15/26 (Call 11/15/25)^a	$	22,119	$	22,312,541

				248,463,406
COSMETICS & PERSONAL CARE — 0.38%
Avon International Operations Inc.
7.88%, 08/15/22 (Call 08/15/19)^a,b		8,361		8,622,281
Avon Products Inc.
6.60%, 03/15/20^a		6,997		7,012,743
7.00%, 03/15/23^a		7,794		7,068,184
Edgewell Personal Care Co.
4.70%, 05/19/21^a		9,632		9,660,094
4.70%, 05/24/22^a		9,031		9,031,000
First Quality Finance Co. Inc.
4.63%, 05/15/21 (Call 04/02/18)^a,b		9,803		9,775,769
5.00%, 07/01/25 (Call 07/01/20)^a,b		7,172		7,010,630

				58,180,701
DISTRIBUTION & WHOLESALE — 0.12%
HD Supply Inc.
5.75%, 04/15/24 (Call 04/15/19)^a,b		16,892		17,710,206

				17,710,206
DIVERSIFIED FINANCIAL SERVICES — 3.96%
Aircastle Ltd.
4.13%, 05/01/24 (Call 02/01/24)^a		10,210		10,031,697
4.63%, 12/15/18^a		201		202,720
5.00%, 04/01/23^a		9,091		9,385,457
5.13%, 03/15/21^a		7,140		7,344,000
5.50%, 02/15/22		7,913		8,248,412
6.25%, 12/01/19^a		7,228		7,526,155
Ally Financial Inc.
3.50%, 01/27/19^a		222		222,788
3.75%, 11/18/19^a		11,385		11,447,617
4.13%, 03/30/20^a		11,099		11,209,990
4.13%, 02/13/22^a		9,896		9,905,719
4.25%, 04/15/21^a		8,552		8,626,744
4.63%, 05/19/22^a		5,880		5,978,000
4.63%, 03/30/25^a		7,790		7,827,559


Security	Principal (000s)		Value
5.13%, 09/30/24^a	$	13,330	$	13,817,058
5.75%, 11/20/25 (Call 10/20/25)^a		17,819		18,652,038
7.50%, 09/15/20^a		11,060		12,032,359
8.00%, 12/31/18^a		9		9,341
8.00%, 03/15/20^a		22,731		24,630,509
Icahn Enterprises LP/Icahn Enterprises Finance Corp.
5.88%, 02/01/22 (Call 04/02/18)^a		23,596		23,654,990
6.00%, 08/01/20 (Call 04/02/18)^a		28,119		28,593,148
6.25%, 02/01/22 (Call 02/01/19)^a		15,629		15,863,435
6.38%, 12/15/25 (Call 12/15/20)^a		13,006		13,030,922
6.75%, 02/01/24 (Call 02/01/20)^a		7,924		8,073,401
Intelsat Connect Finance SA
12.50%, 04/01/22 (Call 06/01/18)^b		12,614		10,185,805
Jefferies Finance LLC/JFIN Co-Issuer Corp.
6.88%, 04/15/22 (Call 04/02/18)^a,b		7,163		7,185,384
7.25%, 08/15/24 (Call 08/15/20)^a,b		7,550		7,673,173
7.38%, 04/01/20 (Call 04/02/18)^a,b		8,631		8,671,031
7.50%, 04/15/21 (Call 04/02/18)^a,b		6,154		6,330,928
Ladder Capital Finance Holdings LLLP/Ladder Capital Finance Corp.
5.25%, 03/15/22 (Call 09/15/21)^a,b		7,460		7,479,471
5.25%, 10/01/25 (Call 10/01/20)^b		8,154		7,922,352
Nationstar Mortgage LLC/Nationstar Capital Corp.
6.50%, 07/01/21 (Call 04/02/18)^a		9,034		9,215,583
7.88%, 10/01/20 (Call 04/02/18)		5,630		5,774,269


Security	Principal (000s)		Value
Navient Corp.
4.88%, 06/17/19^a	$	15,898	$	16,054,198
5.00%, 10/26/20^a		6,954		7,001,441
5.50%, 01/25/23^a		16,227		16,076,813
5.88%, 03/25/21^a		9,371		9,625,618
5.88%, 10/25/24^a		9,714		9,612,445
6.13%, 03/25/24^a		14,550		14,687,706
6.50%, 06/15/22		15,574		16,213,183
6.63%, 07/26/21		13,549		14,141,769
6.75%, 06/25/25^a		9,200		9,450,010
7.25%, 01/25/22^a		13,078		13,965,200
7.25%, 09/25/23^a		11,198		11,883,478
8.00%, 03/25/20^a		25,424		27,235,460
8.45%, 06/15/18^a		189		191,454
OneMain Financial Holdings LLC
7.25%, 12/15/21 (Call 04/02/18)^b		428		442,552
Quicken Loans Inc.
5.25%, 01/15/28 (Call 01/15/23)^a,b		18,689		18,034,885
5.75%, 05/01/25 (Call 05/01/20)^a,b		21,090		21,218,297
Springleaf Finance Corp.
5.25%, 12/15/19^a		10,699		10,892,346
5.63%, 03/15/23^a		14,451		14,306,490
6.13%, 05/15/22^a		16,934		17,349,791
7.75%, 10/01/21^a		11,710		12,746,452
8.25%, 12/15/20^a		15,915		17,331,121

				605,212,764
ELECTRIC — 2.78%
AES Corp./VA
4.88%, 05/15/23 (Call 05/15/18)^a		12,432		12,560,464
5.13%, 09/01/27 (Call 09/01/22)^a		10,108		10,246,985
5.50%, 03/15/24 (Call 03/15/19)		12,860		13,144,857
5.50%, 04/15/25 (Call 04/15/20)^a		8,866		9,087,650
6.00%, 05/15/26 (Call 05/15/21)		10,154		10,663,973


Security	Principal (000s)		Value
7.38%, 07/01/21 (Call 06/01/21)	$	11,286	$	12,379,155
8.00%, 06/01/20		204		223,380
Calpine Corp.
5.25%, 06/01/26 (Call 06/01/21)^a,b		21,400		20,799,668
5.38%, 01/15/23 (Call 10/15/18)^a		19,756		19,254,075
5.50%, 02/01/24 (Call 02/01/19)^a		10,201		9,561,313
5.75%, 01/15/25 (Call 10/15/19)^a		27,455		25,694,327
5.88%, 01/15/24 (Call 11/01/18)^a,b		7,610		7,743,907
6.00%, 01/15/22 (Call 04/02/18)^a,b		11,833		12,202,781
DPL Inc.
7.25%, 10/15/21 (Call 07/15/21)^a		12,277		13,366,584
Dynegy Inc.
5.88%, 06/01/23 (Call 06/01/18)		9,452		9,688,300
7.38%, 11/01/22 (Call 11/01/18)^a		31,442		33,134,815
7.63%, 11/01/24 (Call 11/01/19)		21,489		23,091,194
8.00%, 01/15/25 (Call 01/15/20)^b		12,849		13,938,758
8.13%, 01/30/26 (Call 07/30/20)^a,b		16,047		17,581,494
Enel SpA
(5 year USD Swap + 5.880%)
8.75%, 09/24/73 (Call 09/24/23)^b,d		1,407		1,692,621
IPALCO Enterprises Inc.
3.45%, 07/15/20 (Call 06/15/20)^a		6,022		6,008,526
3.70%, 09/01/24 (Call 07/01/24)		6,728		6,570,632
NextEra Energy Operating Partners LP
4.25%, 09/15/24 (Call 07/15/24)^a,b		9,349		9,195,780


Security	Principal (000s)		Value
4.50%, 09/15/27 (Call 06/15/27)^a,b	$	9,696	$	9,289,307
NRG Energy Inc.
5.75%, 01/15/28 (Call 01/15/23)^a,b		14,953		14,708,846
6.25%, 07/15/22 (Call 07/15/18)^a		15,577		16,110,028
6.25%, 05/01/24 (Call 05/01/19)		11,932		12,344,648
6.63%, 01/15/27 (Call 07/15/21)^a		22,403		23,131,098
7.25%, 05/15/26 (Call 05/15/21)^a		16,361		17,409,740
Talen Energy Supply LLC
4.60%, 12/15/21 (Call 09/15/21)^a		9,291		8,501,265
6.50%, 06/01/25 (Call 06/01/20)^a		12,312		9,516,150
9.50%, 07/15/22 (Call 07/15/20)^a,b		6,062		6,062,000
10.50%, 01/15/26 (Call 01/15/22)^b		11,006		10,318,125

				425,222,446
ELECTRONICS — 0.00%
Ingram Micro Inc.
5.45%, 12/15/24 (Call 09/15/24)^a		345		341,759

				341,759
ENERGY – ALTERNATE SOURCES — 0.12%
TerraForm Power Operating LLC
4.25%, 01/31/23 (Call 10/31/22)^b		7,002		6,841,829
5.00%, 01/31/28 (Call 07/31/27)^b		11,964		11,650,843

				18,492,672
ENGINEERING & CONSTRUCTION — 0.42%
AECOM
5.13%, 03/15/27 (Call 12/15/26)^a		16,829		16,256,346
5.75%, 10/15/22 (Call 03/16/18)^a		13,410		13,997,676


Security	Principal (000s)		Value
5.88%, 10/15/24 (Call 07/15/24)^a	$	16,163	$	16,889,850
Brand Industrial Services Inc.
8.50%, 07/15/25 (Call 07/15/20)^a,b		16,355		16,820,095

				63,963,967
ENTERTAINMENT — 2.11%
AMC Entertainment Holdings Inc.
5.75%, 06/15/25 (Call 06/15/20)^a		9,442		9,149,733
5.88%, 11/15/26 (Call 11/15/21)^a		10,985		10,614,256
6.13%, 05/15/27 (Call 05/15/22)^a		8,328		8,082,446
Caesars Resort Collection LLC/CRC Finco Inc.
5.25%, 10/15/25 (Call 10/15/20)^a,b		29,868		29,195,970
Cinemark USA Inc.
4.88%, 06/01/23 (Call 06/01/18)^a		15,638		15,559,810
5.13%, 12/15/22 (Call 04/02/18)^a		5,721		5,811,821
Eldorado Resorts Inc.
6.00%, 04/01/25 (Call 04/01/20)^a		15,660		16,095,788
GLP Capital LP/GLP Financing II Inc.
4.38%, 04/15/21		5,330		5,367,957
4.88%, 11/01/20 (Call 08/01/20)^a		15,710		16,063,475
5.38%, 11/01/23 (Call 08/01/23)		10,441		10,897,794
5.38%, 04/15/26		17,548		18,094,808
International Game Technology PLC
5.63%, 02/15/20 (Call 11/15/19)^a,b		10,948		11,309,284
6.25%, 02/15/22 (Call 08/15/21)^a,b		26,367		27,822,271
6.50%, 02/15/25 (Call 08/15/24)^a,b		18,840		20,277,935


Security	Principal (000s)		Value
Regal Entertainment Group
5.75%, 03/15/22 (Call 04/02/18)^a	$	11,594	$	11,909,523
Scientific Games International Inc.
5.00%, 10/15/25 (Call 10/15/20)^a,b		15,041		14,871,789
7.00%, 01/01/22 (Call 03/02/18)^b		14,779		15,554,898
10.00%, 12/01/22 (Call 12/01/18)^a		36,606		39,797,128
Six Flags Entertainment Corp.
4.88%, 07/31/24 (Call 07/31/19)^b		16,958		16,925,196
5.50%, 04/15/27 (Call 04/15/22)^a,b		8,269		8,292,939
WMG Acquisition Corp.
6.75%, 04/15/22 (Call 04/02/18)^a,b		10,276		10,661,350

				322,356,171
ENVIRONMENTAL CONTROL — 0.29%
Clean Harbors Inc.
5.13%, 06/01/21 (Call 04/02/18)^a		12,466		12,528,330
5.25%, 08/01/20 (Call 04/02/18)^a		5,827		5,848,851
Covanta Holding Corp.
5.88%, 03/01/24 (Call 03/01/19)^a		7,281		7,332,877
5.88%, 07/01/25 (Call 07/01/20)		6,678		6,686,348
6.38%, 10/01/22 (Call 04/02/18)^a		5,368		5,479,020
GFL Environmental Inc.
5.38%, 03/01/23 (Call 03/01/20)^b		6,987		6,978,266

				44,853,692
FOOD — 1.54%
Albertsons Companies LLC/Safeway Inc./New Albertson’s Inc./Albertson’s LLC
5.75%, 03/15/25 (Call 09/15/19)^a		21,558		18,755,460


Security	Principal (000s)		Value
6.63%, 06/15/24 (Call 06/15/19)^a	$	22,221	$	20,469,707
B&G Foods Inc.
4.63%, 06/01/21 (Call 04/02/18)^a		11,409		11,363,047
5.25%, 04/01/25 (Call 04/01/20)^a		16,882		16,248,925
Lamb Weston Holdings Inc.
4.63%, 11/01/24 (Call 11/01/21)^a,b		15,554		15,690,098
4.88%, 11/01/26 (Call 11/01/21)^a,b		14,570		14,570,000
Pilgrim’s Pride Corp.
5.75%, 03/15/25 (Call 03/15/20)^a,b		14,635		14,561,825
5.88%, 09/30/27 (Call 09/30/22)^a,b		13,940		13,553,862
Post Holdings Inc.
5.00%, 08/15/26 (Call 08/15/21)^a,b		31,629		30,038,061
5.50%, 03/01/25 (Call 03/01/20)^a,b		16,551		16,629,321
5.63%, 01/15/28 (Call 12/01/22)^a,b		17,879		17,446,082
5.75%, 03/01/27 (Call 03/01/22)^a,b		25,385		25,112,111
TreeHouse Foods Inc.
4.88%, 03/15/22 (Call 04/02/18)^a		5,681		5,659,696
6.00%, 02/15/24 (Call 02/15/19)^a,b		14,448		14,755,020

				234,853,215
FOOD SERVICE — 0.39%
Aramark Services Inc.
4.75%, 06/01/26 (Call 06/01/21)^a		9,760		9,632,876
5.00%, 04/01/25 (Call 04/01/20)^b		11,353		11,423,048
5.00%, 02/01/28 (Call 02/01/23)^b		19,052		18,980,555
5.13%, 01/15/24 (Call 01/15/19)		19,035		19,401,355

				59,437,834


Security	Principal (000s)		Value
GAS — 0.42%
AmeriGas Partners LP/AmeriGas Finance Corp.
5.50%, 05/20/25 (Call 02/20/25)	$	13,408	$	13,273,920
5.63%, 05/20/24 (Call 03/20/24)^a		12,176		12,230,653
5.75%, 05/20/27 (Call 02/20/27)^a		9,164		9,049,450
5.88%, 08/20/26 (Call 05/20/26)^a		11,064		11,050,170
NGL Energy Partners LP/NGL Energy Finance Corp.
6.13%, 03/01/25 (Call 03/01/20)^a		8,028		7,726,244
7.50%, 11/01/23 (Call 11/01/19)		10,093		10,152,139

				63,482,576
HEALTH CARE – PRODUCTS — 1.32%
Avantor Inc.
6.00%, 10/01/24 (Call 10/01/20)^a,b		26,809		26,809,000
9.00%, 10/01/25 (Call 10/01/20)^a,b		35,041		35,128,017
DJO Finco Inc./DJO Finance LLC/DJO Finance Corp.
8.13%, 06/15/21 (Call 06/15/18)^a,b		17,852		17,316,440
Hologic Inc.
4.38%, 10/15/25 (Call 10/15/20)^a,b		14,272		13,933,040
4.63%, 02/01/28 (Call 02/01/23)^b		6,844		6,607,169
Kinetic Concepts Inc./KCI USA Inc.
7.88%, 02/15/21 (Call 03/16/18)^a,b		9,347		9,623,162
12.50%, 11/01/21 (Call 05/01/19)^a,b		6,670		7,518,757
Mallinckrodt International Finance SA
4.75%, 04/15/23^a		8,676		6,845,698


Security	Principal (000s)		Value
Mallinckrodt International Finance SA/Mallinckrodt CB LLC
4.88%, 04/15/20 (Call 04/02/18)^a,b	$	11,403	$	11,103,671
5.50%, 04/15/25 (Call 04/15/20)^a,b		12,268		9,850,342
5.63%, 10/15/23 (Call 10/15/18)^a,b		12,970		10,894,800
5.75%, 08/01/22 (Call 04/02/18)^a,b		13,906		12,313,130
Ortho-Clinical Diagnostics Inc./Ortho-Clinical Diagnostics SA
6.63%, 05/15/22 (Call 04/02/18)^a,b		23,364		23,217,975
Teleflex Inc.
4.63%, 11/15/27 (Call 11/15/22)^a		11,380		11,089,404

				202,250,605
HEALTH CARE – SERVICES — 7.41%
Acadia Healthcare Co. Inc.
5.63%, 02/15/23 (Call 04/02/18)^a		11,603		11,904,098
Centene Corp.
4.75%, 05/15/22 (Call 05/15/19)		16,121		16,386,173
4.75%, 01/15/25 (Call 01/15/20)^a		23,421		23,327,848
5.63%, 02/15/21 (Call 04/02/18)^a		24,009		24,649,601
6.13%, 02/15/24 (Call 02/15/19)^a		16,035		16,809,250
CHS/Community Health Systems Inc.
5.13%, 08/01/21 (Call 04/02/18)^a		17,946		16,569,495
6.25%, 03/31/23 (Call 03/31/20)		54,949		49,742,203
6.88%, 02/01/22 (Call 04/02/18)^a		49,275		32,028,750
7.13%, 07/15/20 (Call 04/02/18)^a		20,078		16,954,365
8.00%, 11/15/19 (Call 04/02/18)^a		32,897		30,993,810


Security	Principal (000s)		Value
DaVita Inc.
5.00%, 05/01/25 (Call 05/01/20)^a	$	27,102	$	26,550,282
5.13%, 07/15/24 (Call 07/15/19)^a		32,633		32,337,169
5.75%, 08/15/22 (Call 04/02/18)^a		20,962		21,523,019
Encompass Health Corp.
5.75%, 11/01/24 (Call 04/02/18)^a		20,955		21,125,259
Envision Healthcare Corp.
5.13%, 07/01/22 (Call 04/02/18)^a,b		13,167		13,247,922
5.63%, 07/15/22 (Call 04/02/18)^a		16,879		17,168,053
6.25%, 12/01/24 (Call 12/01/19)^a,b		8,537		8,947,823
HCA Healthcare Inc.
6.25%, 02/15/21^a		16,241		17,113,954
HCA Inc.
3.75%, 03/15/19^a		23,675		23,823,679
4.25%, 10/15/19^a		8,858		8,966,352
4.50%, 02/15/27 (Call 08/15/26)^a		19,121		18,617,580
4.75%, 05/01/23^a		19,696		20,040,680
5.00%, 03/15/24^a		33,066		33,689,936
5.25%, 04/15/25^a		22,143		22,755,190
5.25%, 06/15/26 (Call 12/15/25)^a		23,610		24,155,981
5.38%, 02/01/25^a		44,863		45,648,102
5.88%, 03/15/22^a		25,996		27,602,217
5.88%, 05/01/23^a		24,573		25,859,964
5.88%, 02/15/26 (Call 08/15/25)^a		25,771		26,710,567
6.50%, 02/15/20		49,951		52,579,117
7.50%, 02/15/22		33,772		37,444,705
Kindred Healthcare Inc.
6.38%, 04/15/22 (Call 04/02/18)		9,087		9,215,808
8.00%, 01/15/20		11,339		12,114,007
8.75%, 01/15/23 (Call 04/02/18)^a		9,444		10,029,389


Security	Principal (000s)		Value
LifePoint Health Inc.
5.38%, 05/01/24 (Call 05/01/19)^a	$	8,163	$	7,903,938
5.50%, 12/01/21 (Call 04/02/18)^a		17,539		17,678,765
5.88%, 12/01/23 (Call 12/01/18)^a		9,751		9,745,442
Molina Healthcare Inc.
5.38%, 11/15/22 (Call 08/15/22)		12,125		12,140,156
MPH Acquisition Holdings LLC
7.13%, 06/01/24 (Call 06/01/19)^a,b		28,257		29,650,584
Tenet Healthcare Corp.
4.38%, 10/01/21^a		17,767		17,678,165
4.50%, 04/01/21^a		14,531		14,495,537
4.63%, 07/15/24 (Call 07/15/20)^b		34,454		33,032,772
4.75%, 06/01/20		7,026		7,115,581
5.13%, 05/01/25 (Call 05/01/20)^a,b		24,770		24,034,641
5.50%, 03/01/19^a		7,229		7,330,042
6.00%, 10/01/20^a		30,485		31,761,255
6.75%, 06/15/23^a		31,573		31,484,201
7.00%, 08/01/25 (Call 08/01/20)^a,b		7,606		7,586,985
7.50%, 01/01/22 (Call 01/01/19)^a,b		11,279		11,921,198
8.13%, 04/01/22^a		46,370		48,919,423
WellCare Health Plans Inc.
5.25%, 04/01/25 (Call 04/01/20)^a		21,706		21,924,241

				1,131,035,274
HOLDING COMPANIES – DIVERSIFIED — 0.07%
Leucadia National Corp.
5.50%, 10/18/23 (Call 01/18/23)^a		10,042		10,562,745

				10,562,745
HOME BUILDERS — 1.67%
Beazer Homes USA Inc.
5.88%, 10/15/27 (Call 10/15/22)^a		7,371		7,015,226


Security	Principal (000s)		Value
8.75%, 03/15/22 (Call 03/15/19)^a	$	8,445	$	9,099,487
Brookfield Residential Properties Inc.
6.50%, 12/15/20 (Call 04/02/18)^a,b		8,930		9,086,275
Brookfield Residential Properties Inc./Brookfield Residential U.S. Corp.
6.13%, 07/01/22 (Call 04/02/18)^a,b		7,535		7,764,190
K Hovnanian Enterprises Inc.
10.00%, 07/15/22 (Call 07/15/19)^b		8,565		9,346,556
10.50%, 07/15/24 (Call 07/15/20)^a,b		8,385		9,186,816
KB Home
4.75%, 05/15/19 (Call 02/15/19)^a		5,287		5,339,870
7.00%, 12/15/21 (Call 09/15/21)^a		7,890		8,514,625
Lennar Corp.
4.13%, 01/15/22 (Call 10/15/21)^a		9,158		9,066,420
4.50%, 06/15/19 (Call 04/16/19)^a		6,914		6,993,777
4.50%, 11/15/19 (Call 08/15/19)^a		8,691		8,788,774
4.50%, 04/30/24 (Call 01/31/24)^a		10,190		10,122,066
4.75%, 04/01/21 (Call 02/01/21)^a		7,562		7,703,788
4.75%, 11/15/22 (Call 08/15/22)		9,009		9,104,345
4.75%, 05/30/25 (Call 02/28/25)		7,882		7,852,443
4.75%, 11/29/27 (Call 05/29/27)^b		14,749		14,306,530
4.88%, 12/15/23 (Call 09/15/23)^a		5,989		6,070,788
5.25%, 06/01/26 (Call 12/01/25)^a,b		6,740		6,874,800


Security	Principal (000s)		Value
5.88%, 11/15/24 (Call 05/15/24)^b	$	7,337	$	7,832,248
8.38%, 05/15/18^b		286		288,860
8.38%, 01/15/21^a,b		7,239		8,075,105
PulteGroup Inc.
4.25%, 03/01/21 (Call 02/01/21)		9,808		9,911,738
5.00%, 01/15/27 (Call 10/15/26)^a		12,427		12,293,668
5.50%, 03/01/26 (Call 12/01/25)^a		11,839		12,037,858
Taylor Morrison Communities Inc./Taylor Morrison Holdings II Inc.
5.25%, 04/15/21 (Call 04/02/18)^a,b		8,379		8,454,221
Toll Brothers Finance Corp.
4.35%, 02/15/28 (Call 11/15/27)		1,264		1,188,818
4.38%, 04/15/23 (Call 01/15/23)^a		7,426		7,441,250
4.88%, 03/15/27 (Call 12/15/26)^a		9,753		9,704,235
5.88%, 02/15/22 (Call 11/15/21)^a		8,809		9,345,193
TRI Pointe Group Inc./TRI Pointe Homes Inc.
4.38%, 06/15/19^a		7,076		7,085,828
5.88%, 06/15/24^a		8,332		8,568,879

				254,464,677
HOME FURNISHINGS — 0.11%
Tempur Sealy International Inc.
5.50%, 06/15/26 (Call 06/15/21)^a		10,731		10,570,035
5.63%, 10/15/23 (Call 10/15/18)		6,527		6,571,601

				17,141,636
HOUSEHOLD PRODUCTS & WARES — 0.28%
Kronos Acquisition Holdings Inc.
9.00%, 08/15/23 (Call 08/15/18)^a,b		15,332		14,850,480


Security	Principal (000s)		Value
Spectrum Brands Inc.
5.75%, 07/15/25 (Call 07/15/20)^a	$	19,273	$	19,935,509
6.63%, 11/15/22 (Call 04/02/18)^a		8,255		8,546,505

				43,332,494
INSURANCE — 0.46%
Genworth Holdings Inc.
4.80%, 02/15/24^a		9,221		7,883,955
4.90%, 08/15/23		5,136		4,407,330
7.20%, 02/15/21		364		355,037
7.63%, 09/24/21		10,327		10,120,460
7.70%, 06/15/20		5,757		5,752,572
HUB International Ltd.
7.88%, 10/01/21 (Call 04/02/18)^b		20,456		21,063,287
Radian Group Inc.
4.50%, 10/01/24 (Call 07/01/24)^a		7,851		7,833,728
Voya Financial Inc.
(3 mo. LIBOR US + 3.580%)
5.65%, 05/15/53 (Call 05/15/23)^a,d		12,375		12,777,187

				70,193,556
INTERNET — 1.48%
Netflix Inc.
4.38%, 11/15/26^a		15,932		15,294,720
4.88%, 04/15/28^a,b		28,502		27,942,529
5.38%, 02/01/21^a		8,461		8,785,338
5.50%, 02/15/22		11,183		11,631,873
5.75%, 03/01/24		6,003		6,314,747
5.88%, 02/15/25		13,885		14,671,030
Symantec Corp.
3.95%, 06/15/22 (Call 03/15/22)^a		6,806		6,803,676
4.20%, 09/15/20 ^a		10,148		10,354,318
5.00%, 04/15/25 (Call 04/15/20)^a,b		19,354		19,668,502
VeriSign Inc.
4.63%, 05/01/23 (Call 05/01/18)^a		11,536		11,665,780
4.75%, 07/15/27 (Call 07/15/22)^a		10,673		10,406,175


Security	Principal (000s)		Value
5.25%, 04/01/25 (Call 01/01/25)^a	$	10,550	$	10,815,399
Zayo Group LLC/Zayo Capital Inc.
5.75%, 01/15/27 (Call 01/15/22)^b		29,008		29,153,040
6.00%, 04/01/23 (Call 04/02/18)^a		25,720		26,703,255
6.38%, 05/15/25 (Call 05/15/20)^a		14,884		15,516,570

				225,726,952
IRON & STEEL — 1.13%
AK Steel Corp.
7.00%, 03/15/27 (Call 03/15/22)^a		7,007		7,115,937
7.63%, 10/01/21 (Call 04/02/18)^a		6,269		6,472,743
Allegheny Technologies Inc.
5.95%, 01/15/21 (Call 10/15/20)^a		6,988		7,135,767
7.88%, 08/15/23 (Call 05/15/23)^a		8,045		8,764,740
ArcelorMittal
5.50%, 08/05/20^a		10,914		11,391,488
5.75%, 03/01/21		13,185		13,888,749
6.13%, 06/01/25^a		10,385		11,441,551
6.50%, 02/25/22		11,279		12,252,547
Cleveland-Cliffs Inc.
4.88%, 01/15/24 (Call 01/15/21)^b		7,034		6,886,803
5.75%, 03/01/25 (Call 03/01/20)^a,b		18,980		18,283,276
Steel Dynamics Inc.
5.00%, 12/15/26 (Call 12/15/21)^a		7,906		8,033,484
5.13%, 10/01/21 (Call 04/02/18)^a		10,281		10,442,559
5.25%, 04/15/23 (Call 04/15/18)		5,989		6,097,839
5.50%, 10/01/24 (Call 10/01/19)^a		8,208		8,503,488
U.S. Steel Corp.
6.88%, 08/15/25 (Call 08/15/20)^a		14,781		15,497,828


Security	Principal (000s)		Value
7.38%, 04/01/20^a	$	5,928	$	6,336,921
8.38%, 07/01/21 (Call 07/01/18)^b		12,677		13,636,293

				172,182,013
LEISURE TIME — 0.18%
Sabre GLBL Inc.
5.25%, 11/15/23 (Call 11/15/18)^a,b		7,452		7,507,890
5.38%, 04/15/23 (Call 04/15/18)^a,b		8,026		8,086,195
Viking Cruises Ltd.
5.88%, 09/15/27 (Call 09/15/22)^b		5,443		5,306,925
VOC Escrow Ltd.
5.00%, 02/15/28 (Call 02/15/23)^b		6,045		5,886,319

				26,787,329
LODGING — 1.79%
Boyd Gaming Corp.
6.38%, 04/01/26 (Call 04/01/21)^a		14,311		15,049,943
6.88%, 05/15/23 (Call 05/15/18)^a		11,526		12,150,325
Diamond Resorts International Inc.
7.75%, 09/01/23 (Call 09/01/19)^b		8,240		8,900,986
10.75%, 09/01/24 (Call 09/01/19)^b		9,730		10,569,212
Hilton Domestic Operating Co. Inc.
4.25%, 09/01/24 (Call 09/01/19)^a		17,804		17,494,210
Hilton Worldwide Finance LLC/Hilton Worldwide Finance Corp.
4.63%, 04/01/25 (Call 04/01/20)^a		16,310		16,391,550
4.88%, 04/01/27 (Call 04/01/22)		12,342		12,318,859
Jack Ohio Finance LLC/Jack Ohio Finance 1 Corp.
6.75%, 11/15/21 (Call 11/15/18)^a,b		14,365		14,899,183


Security	Principal (000s)		Value
MGM Resorts International
4.63%, 09/01/26 (Call 06/01/26)	$	8,650	$	8,437,147
5.25%, 03/31/20^a		7,468		7,684,572
6.00%, 03/15/23		22,426		23,824,120
6.63%, 12/15/21^a		20,474		22,123,181
6.75%, 10/01/20^a		16,470		17,561,137
7.75%, 03/15/22^a		16,237		18,163,791
8.63%, 02/01/19		10,464		10,974,120
Wynn Las Vegas LLC/Wynn Las Vegas Capital Corp.
4.25%, 05/30/23 (Call 02/28/23)^a,b		8,718		8,789,154
5.25%, 05/15/27 (Call 02/15/27)^a,b		15,309		15,080,838
5.50%, 03/01/25 (Call 12/01/24)^b		32,331		32,694,724

				273,107,052
MACHINERY — 0.31%
BlueLine Rental Finance Corp./BlueLine Rental LLC
9.25%, 03/15/24 (Call 03/15/20)^a,b		18,920		20,480,900
CNH Industrial NV
4.50%, 08/15/23		11,751		12,004,099
Vertiv Group Corp.
9.25%, 10/15/24 (Call 10/15/19)^a,b		13,723		14,529,226

				47,014,225
MANUFACTURING — 0.98%
Bombardier Inc.
5.75%, 03/15/22^b		7,322		7,278,783
6.00%, 10/15/22 (Call 04/02/18)^a,b		20,534		20,482,665
6.13%, 01/15/23^a,b		23,007		23,064,517
7.50%, 12/01/24 (Call 12/01/20)^a,b		18,337		19,081,941
7.50%, 03/15/25 (Call 03/15/20)^a,b		26,435		27,087,849
7.75%, 03/15/20^a,b		13,737		14,679,077
8.75%, 12/01/21^a,b		24,843		27,288,572


Security	Principal (000s)		Value
Gates Global LLC/Gates Global Co.
6.00%, 07/15/22 (Call 03/16/18)^a,b	$	11,215	$	11,411,262

				150,374,666
MEDIA — 12.46%
Altice Financing SA
6.63%, 02/15/23 (Call 04/02/18)^b		35,928		35,827,833
7.50%, 05/15/26 (Call 05/15/21)^b		48,589		48,978,426
Altice Finco SA
8.13%, 01/15/24 (Call 12/15/18)^a,b		5,863		5,987,065
Altice Luxembourg SA
7.63%, 02/15/25 (Call 02/15/20)^a,b		24,692		21,780,648
7.75%, 05/15/22 (Call 04/02/18)^a,b		52,466		49,055,710
Altice U.S. Finance I Corp.
5.38%, 07/15/23 (Call 07/15/18)^b		19,370		19,708,975
5.50%, 05/15/26 (Call 05/15/21)^b		26,126		25,885,641
AMC Networks Inc.
4.75%, 12/15/22 (Call 04/02/18)		9,872		9,969,980
4.75%, 08/01/25 (Call 08/01/21)^a		12,252		11,853,810
5.00%, 04/01/24 (Call 04/01/20)^a		16,088		16,058,749
Cablevision Systems Corp.
5.88%, 09/15/22^a		10,784		10,818,448
8.00%, 04/15/20^a		8,552		9,071,133
CCO Holdings LLC/CCO Holdings Capital Corp.
4.00%, 03/01/23 (Call 11/01/19)^a,b		7,555		7,356,681
5.00%, 02/01/28 (Call 08/01/22)^a,b		43,447		41,124,758
5.13%, 02/15/23 (Call 04/02/18)^a		17,438		17,743,165
5.13%, 05/01/23 (Call 05/01/18)^a,b		21,656		22,062,050


Security	Principal (000s)		Value
5.13%, 05/01/27 (Call 05/01/22)^b	$	54,885	$	52,849,864
5.25%, 03/15/21 (Call 04/02/18)^a		7,206		7,300,579
5.25%, 09/30/22 (Call 04/02/18)^a		22,377		22,796,569
5.38%, 05/01/25 (Call 05/01/20)^a,b		14,066		14,094,923
5.50%, 05/01/26 (Call 05/01/21)^b		26,201		26,170,979
5.75%, 09/01/23 (Call 04/02/18)^a		7,479		7,631,696
5.75%, 01/15/24 (Call 07/15/18)		15,620		15,939,234
5.75%, 02/15/26 (Call 02/15/21)^b		41,750		42,324,062
5.88%, 04/01/24 (Call 04/01/19)^a,b		27,684		28,594,804
5.88%, 05/01/27 (Call 05/01/21)^a,b		12,056		12,236,840
Cequel Communications Holdings I LLC/Cequel Capital Corp.
5.13%, 12/15/21 (Call 04/02/18)^a,b		21,282		21,214,470
6.38%, 09/15/20 (Call 04/02/18)^b		17,263		17,478,787
7.75%, 07/15/25 (Call 07/15/20)^b		11,044		11,789,470
Clear Channel Worldwide Holdings Inc.
6.50%, 11/15/22 (Call 04/02/18)^a		47,073		48,427,270
Series B
7.63%, 03/15/20 (Call 04/02/18)^a		33,109		32,892,136
CSC Holdings LLC
5.25%, 06/01/24		13,987		13,451,199
5.38%, 02/01/28 (Call 02/01/23)^b		16,117		15,704,002
5.50%, 04/15/27 (Call 04/15/22)^a,b		22,091		21,759,635
6.63%, 10/15/25 (Call 10/15/20)^b		16,601		17,493,304


Security	Principal (000s)		Value
6.75%, 11/15/21^a	$	16,889	$	17,789,332
8.63%, 02/15/19^a		6,476		6,751,230
10.13%, 01/15/23 (Call 01/15/19)^b		28,186		31,481,995
10.88%, 10/15/25 (Call 10/15/20)^a,b		26,223		30,975,919
DISH DBS Corp.
5.00%, 03/15/23^a		26,339		24,149,571
5.13%, 05/01/20^a		17,688		17,694,803
5.88%, 07/15/22^a		34,112		33,109,960
5.88%, 11/15/24^a		34,697		32,360,289
6.75%, 06/01/21^a		34,567		35,578,085
7.75%, 07/01/26^a		36,784		36,278,220
7.88%, 09/01/19^a		23,052		24,319,860
Gray Television Inc.
5.13%, 10/15/24 (Call 10/15/19)^a,b		7,914		7,754,929
5.88%, 07/15/26 (Call 07/15/21)^a,b		11,277		11,150,134
iHeartCommunications Inc.
9.00%, 12/15/19 (Call 04/02/18)^e		30,084		23,843,920
9.00%, 03/01/21 (Call 04/02/18)^e		30,440		24,199,800
9.00%, 09/15/22 (Call 04/02/18)^e		17,715		13,979,349
10.63%, 03/15/23 (Call 04/02/18)^e		19,578		15,494,356
11.25%, 03/01/21 (Call 04/02/18)^e		10,911		8,674,245
11.25%, 03/01/21 (Call 04/02/18)^b,e		11,032		8,274,000
LIN Television Corp.
5.88%, 11/15/22 (Call 03/12/18)		5,842		6,028,546
Meredith Corp.
6.88%, 02/01/26 (Call 02/01/21)^b		23,977		24,677,639
Nexstar Broadcasting Inc.
5.63%, 08/01/24 (Call 08/01/19)^a,b		15,602		15,661,158
Quebecor Media Inc.
5.75%, 01/15/23^a		15,333		15,888,821


Security	Principal (000s)		Value
SFR Group SA
6.00%, 05/15/22 (Call 04/03/18)^b	$	68,707	$	66,838,170
6.25%, 05/15/24 (Call 05/15/19)^b		24,037		22,315,576
7.38%, 05/01/26 (Call 05/01/21)^b		90,033		86,845,328
Sinclair Television Group Inc.
5.13%, 02/15/27 (Call 08/15/21)^a,b		6,320		6,079,614
5.38%, 04/01/21 (Call 03/16/18)^a		8,665		8,763,466
5.63%, 08/01/24 (Call 08/01/19)^a,b		13,256		13,436,764
6.13%, 10/01/22 (Call 03/16/18)^a		7,585		7,797,802
Sirius XM Radio Inc.
3.88%, 08/01/22 (Call 08/01/20)^b		18,251		17,954,421
4.63%, 05/15/23 (Call 05/15/18)^a,b		7,353		7,334,618
5.00%, 08/01/27 (Call 08/01/22)^b		27,194		26,457,497
5.38%, 04/15/25 (Call 04/15/20)^b		17,506		17,746,707
5.38%, 07/15/26 (Call 07/15/21)^a,b		17,302		17,506,020
6.00%, 07/15/24 (Call 07/15/19)^a,b		23,600		24,685,968
TEGNA Inc.
5.13%, 10/15/19 (Call 04/02/18)		361		365,964
5.13%, 07/15/20 (Call 04/02/18)^a		8,848		8,964,130
6.38%, 10/15/23 (Call 10/15/18)^a		10,061		10,478,811
Telenet Finance Luxembourg Note
5.50%, 03/01/28 (Call 12/01/22)^b		20,600		19,835,740
Tribune Media Co.
5.88%, 07/15/22 (Call 07/15/18)^a		17,379		17,683,132


Security	Principal (000s)		Value
Unitymedia GmbH
6.13%, 01/15/25 (Call 01/15/20)^a,b	$	14,993	$	15,742,650
Unitymedia Hessen GmbH & Co. KG/Unitymedia NRW GmbH
5.00%, 01/15/25 (Call 01/15/20)^a,b		9,207		9,369,912
Univision Communications Inc.
5.13%, 05/15/23 (Call 05/15/18)^a,b		23,083		21,871,142
5.13%, 02/15/25 (Call 02/15/20)^a,b		25,017		23,109,454
UPC Holding BV
5.50%, 01/15/28 (Call 10/15/22)^b		8,530		8,018,200
UPCB Finance IV Ltd.
5.38%, 01/15/25 (Call 01/15/20)^a,b		19,473		19,326,952
Viacom Inc.
(3 mo. LIBOR US + 3.895%)
5.88%, 02/28/57 (Call 02/28/22)^d		12,911		13,004,357
(3 mo. LIBOR US + 3.899%)
6.25%, 02/28/57 (Call 02/28/27)^a,d		9,698		9,940,450
Videotron Ltd.
5.00%, 07/15/22^a		13,125		13,387,500
5.13%, 04/15/27 (Call 04/15/22)^a,b		9,926		10,005,904
5.38%, 06/15/24 (Call 03/15/24)^a,b		9,649		10,011,899
Virgin Media Finance PLC
5.75%, 01/15/25 (Call 01/15/20)^a,b		6,178		6,073,746
6.00%, 10/15/24 (Call 10/15/19)^a,b		7,991		8,028,467
6.38%, 04/15/23 (Call 04/15/18)^a,b		8,503		8,747,461
Virgin Media Secured Finance PLC
5.25%, 01/15/21^a		7,971		8,236,700
5.25%, 01/15/26 (Call 01/15/20)^a,b		19,023		18,629,330


Security	Principal (000s)		Value
5.50%, 01/15/25 (Call 01/15/19)^a,b	$	5,779	$	5,807,895
5.50%, 08/15/26 (Call 08/15/21)^a,b		12,559		12,353,660
Ziggo Bond Finance BV
5.88%, 01/15/25 (Call 01/15/20)^a,b		6,957		6,692,286
6.00%, 01/15/27 (Call 01/15/22)^a,b		12,157		11,565,942
Ziggo Secured Finance BV
5.50%, 01/15/27 (Call 01/15/22)^a,b		34,451		33,029,896

				1,903,592,587
METAL FABRICATE & HARDWARE — 0.32%
Novelis Corp.
5.88%, 09/30/26 (Call 09/30/21)^a,b		28,127		28,408,270
6.25%, 08/15/24 (Call 08/15/19)^a,b		19,969		20,542,895

				48,951,165
MINING — 1.83%
Alcoa Nederland Holding BV
6.75%, 09/30/24 (Call 09/30/19)^a,b		13,865		14,881,246
7.00%, 09/30/26 (Call 09/30/21)^a,b		9,599		10,362,421
Aleris International Inc.
7.88%, 11/01/20 (Call 04/02/18)^a		8,506		8,418,813
9.50%, 04/01/21 (Call 04/02/18)^b		13,038		13,647,526
Constellium NV
5.75%, 05/15/24 (Call 05/15/19)^a,b		7,624		7,680,386
5.88%, 02/15/26 (Call 11/15/20)^a,b		8,604		8,690,040
6.63%, 03/01/25 (Call 03/01/20)^a,b		9,852		10,209,135
FMG Resources August 2006 Pty Ltd.
4.75%, 05/15/22 (Call 02/15/22)^a,b		11,559		11,573,449
5.13%, 05/15/24 (Call 02/15/24)^a,b		11,726		11,697,532


Security	Principal (000s)		Value
Freeport-McMoRan Inc.
3.10%, 03/15/20	$	15,995	$	15,775,569
3.55%, 03/01/22 (Call 12/01/21)^a		33,854		32,894,960
3.88%, 03/15/23 (Call 12/15/22)^a		34,860		33,845,574
4.00%, 11/14/21		9,636		9,570,355
4.55%, 11/14/24 (Call 08/14/24)^a		15,001		14,700,165
6.75%, 02/01/22 (Call 04/02/18)^a		3,411		3,516,883
6.88%, 02/15/23 (Call 02/15/20)		11,825		12,717,861
Kinross Gold Corp.
4.50%, 07/15/27 (Call 04/15/27)^a,b		8,400		8,137,374
5.13%, 09/01/21 (Call 06/01/21)		8,578		8,856,785
5.95%, 03/15/24 (Call 12/15/23)^a		7,890		8,421,694
Lundin Mining Corp.
7.88%, 11/01/22 (Call 11/01/18)^b		147		155,444
Teck Resources Ltd.
3.75%, 02/01/23 (Call 11/01/22)^a		12,168		11,857,777
4.75%, 01/15/22 (Call 10/15/21)		10,774		10,999,608
8.50%, 06/01/24 (Call 06/01/19)^b		9,191		10,227,429

				278,838,026
OFFICE & BUSINESS EQUIPMENT — 0.21%
CDW LLC/CDW Finance Corp.
5.00%, 09/01/23 (Call 04/02/18)^a		7,902		8,004,597
5.00%, 09/01/25 (Call 03/01/20)^a		11,367		11,431,585
5.50%, 12/01/24 (Call 06/01/24)		11,914		12,390,560

				31,826,742
OIL & GAS — 9.31%
Antero Resources Corp.
5.00%, 03/01/25 (Call 03/01/20)^a		11,522		11,599,552


Security	Principal (000s)		Value
5.13%, 12/01/22 (Call 04/02/18)^a	$	17,618	$	17,807,732
5.38%, 11/01/21 (Call 04/02/18)^a		15,542		15,878,402
5.63%, 06/01/23 (Call 06/01/18)^a		12,830		13,135,656
Ascent Resources Utica Holdings LLC/ARU Finance Corp.
10.00%, 04/01/22 (Call 04/01/20)^a,b		27,288		29,224,397
California Resources Corp.
8.00%, 12/15/22 (Call 12/15/18)^a,b		39,828		31,563,690
Calumet Specialty Products Partners LP/Calumet Finance Corp.
6.50%, 04/15/21 (Call 04/02/18)^a		14,864		14,529,560
11.50%, 01/15/21 (Call 04/15/18)^a,b		5,923		6,637,380
Carrizo Oil & Gas Inc.
6.25%, 04/15/23 (Call 04/15/18)^a		10,843		10,838,072
7.50%, 09/15/20 (Call 04/02/18)^a		8,587		8,758,740
Chesapeake Energy Corp.
4.88%, 04/15/22 (Call 04/02/18)^a		8,939		8,383,665
6.13%, 02/15/21^a		10,689		10,760,260
6.63%, 08/15/20		6,070		6,250,279
8.00%, 12/15/22 (Call 12/15/18)^a,b		23,109		24,639,971
8.00%, 01/15/25 (Call 01/15/20)^a,b		22,949		22,538,335
8.00%, 06/15/27 (Call 06/15/22)^a,b		22,401		21,490,959
Citgo Holding Inc.
10.75%, 02/15/20^b		27,799		29,786,628
CNX Resources Corp.
5.88%, 04/15/22 (Call 04/02/18)^a		32,528		32,763,828
8.00%, 04/01/23 (Call 04/02/18)^a		7,431		7,846,672


Security	Principal (000s)		Value
Continental Resources Inc./OK
3.80%, 06/01/24 (Call 03/01/24)^a	$	16,840	$	16,286,929
4.38%, 01/15/28 (Call 10/15/27)^a,b		18,398		17,961,047
4.50%, 04/15/23 (Call 01/15/23)^a		26,644		26,853,446
5.00%, 09/15/22 (Call 04/02/18)^a		31,823		32,301,141
CrownRock LP/CrownRock Finance Inc.
5.63%, 10/15/25 (Call 10/15/20)^a,b		17,006		16,696,271
Denbury Resources Inc.
9.00%, 05/15/21 (Call 12/15/18)^a,b		12,821		13,142,526
9.25%, 03/31/22 (Call 03/31/19)^a,b		14,109		14,427,810
Diamond Offshore Drilling Inc.
7.88%, 08/15/25 (Call 05/15/25)^a		9,983		10,160,822
Diamondback Energy Inc.
4.75%, 11/01/24 (Call 11/01/19)^a		9,426		9,337,396
5.38%, 05/31/25 (Call 05/31/20)^a		9,070		9,141,804
Endeavor Energy Resources LP/EER Finance Inc.
5.50%, 01/30/26 (Call 01/30/21)^a,b		11,458		11,372,065
5.75%, 01/30/28 (Call 01/30/23)^a,b		8,304		8,304,000
Ensco PLC
4.50%, 10/01/24 (Call 07/01/24)^a		10,659		8,610,104
5.20%, 03/15/25 (Call 12/15/24)^a		12,898		10,697,279
7.75%, 02/01/26		17,163		16,144,445
8.00%, 01/31/24 (Call 10/31/23)		270		267,300
EP Energy LLC/Everest Acquisition Finance Inc.
6.38%, 06/15/23 (Call 06/15/18)		888		479,520


Security	Principal (000s)		Value
8.00%, 11/29/24 (Call 11/30/19)^a,b	$	7,919	$	8,156,570
8.00%, 02/15/25 (Call 02/15/20)^b		16,959		11,701,710
9.38%, 05/01/24 (Call 05/01/20)^b		18,403		13,526,205
Extraction Oil & Gas Inc.
5.63%, 02/01/26 (Call 02/01/21)^b		10,014		9,816,849
Gulfport Energy Corp.
6.00%, 10/15/24 (Call 10/15/19)^a		11,315		11,094,357
6.38%, 05/15/25 (Call 05/15/20)^a		9,537		9,384,775
6.38%, 01/15/26 (Call 01/15/21)^a,b		7,973		7,858,587
Hilcorp Energy I LP/Hilcorp Finance Co.
5.00%, 12/01/24 (Call 06/01/19)^a,b		8,054		8,104,338
5.75%, 10/01/25 (Call 04/01/20)^b		8,946		9,045,524
Jones Energy Holdings LLC/Jones Energy Finance Corp.
6.75%, 04/01/22 (Call 04/02/18)		6,600		4,273,500
9.25%, 03/15/23 (Call 03/15/20)^b		7,336		7,207,620
Jupiter Resources Inc.
8.50%, 10/01/22 (Call 04/02/18)^a,b		18,109		8,601,775
MEG Energy Corp.
6.38%, 01/30/23 (Call 04/02/18)^a,b		13,137		11,245,570
6.50%, 01/15/25 (Call 01/15/20)^a,b		13,517		13,263,556
7.00%, 03/31/24 (Call 09/30/18)^a,b		18,541		15,787,799
Murphy Oil Corp.
4.00%, 06/01/22 (Call 03/01/22)		8,138		7,945,853
4.45%, 12/01/22 (Call 09/01/22)^a		10,334		10,199,658


Security	Principal (000s)		Value
5.75%, 08/15/25 (Call 08/15/20)^a	$	9,900	$	9,853,470
6.88%, 08/15/24 (Call 08/15/19)^a		9,193		9,645,337
Nabors Industries Inc.
4.63%, 09/15/21^a		10,888		10,630,260
5.00%, 09/15/20^a		11,053		11,081,696
5.50%, 01/15/23 (Call 11/15/22)^a		9,247		9,162,477
5.75%, 02/01/25 (Call 11/01/24)^a,b		15,054		14,367,161
Newfield Exploration Co.
5.38%, 01/01/26 (Call 10/01/25)^a		12,468		12,868,223
5.63%, 07/01/24^a		18,496		19,456,009
5.75%, 01/30/22^a		11,463		12,075,829
Noble Holding International Ltd.
7.70%, 04/01/25 (Call 01/01/25)^a		7,362		6,515,370
7.75%, 01/15/24 (Call 10/15/23)^a		16,248		14,826,300
7.88%, 02/01/26 (Call 02/01/21)^a,b		11,145		11,127,614
Oasis Petroleum Inc.
6.88%, 03/15/22 (Call 04/02/18)^a		14,451		14,830,339
Parsley Energy LLC/Parsley Finance Corp.
5.25%, 08/15/25 (Call 08/15/20)^b		8,700		8,569,500
5.38%, 01/15/25 (Call 01/15/20)^a,b		11,577		11,488,688
5.63%, 10/15/27 (Call 10/15/22)^a,b		12,062		11,984,900
6.25%, 06/01/24 (Call 06/01/19)^a,b		5,606		5,806,032
PBF Holding Co. LLC/PBF Finance Corp.
7.00%, 11/15/23 (Call 11/15/18)		7,749		8,020,215
7.25%, 06/15/25 (Call 06/15/20)^a		12,881		13,299,925


Security	Principal (000s)		Value
PDC Energy Inc.
5.75%, 05/15/26 (Call 05/15/21)^a,b	$	11,015	$	10,901,545
6.13%, 09/15/24 (Call 09/15/19)^a		6,077		6,213,733
Precision Drilling Corp.
5.25%, 11/15/24 (Call 05/15/19)^a		8,145		7,742,501
7.13%, 01/15/26 (Call 11/15/20)^b		6,074		6,115,759
Puma International Financing SA
5.00%, 01/24/26 (Call 01/24/21)^b		4,825		4,712,417
5.13%, 10/06/24 (Call 10/06/20)^b		12,725		12,849,705
QEP Resources Inc.
5.25%, 05/01/23 (Call 02/01/23)^a		13,583		13,453,163
5.38%, 10/01/22 (Call 07/01/22)^a		7,430		7,515,909
5.63%, 03/01/26 (Call 12/01/25)^a		8,598		8,447,535
6.88%, 03/01/21^a		333		354,090
Range Resources Corp.
4.88%, 05/15/25 (Call 02/15/25)^a		13,998		13,387,708
5.00%, 08/15/22 (Call 05/15/22)		9,064		8,889,500
5.00%, 03/15/23 (Call 12/15/22)^a		14,609		14,206,987
5.75%, 06/01/21 (Call 03/01/21)^a		7,369		7,545,242
Rowan Companies Inc.
4.88%, 06/01/22 (Call 03/01/22)^a		11,132		10,431,191
7.38%, 06/15/25 (Call 03/15/25)^a		9,319		9,206,396
RSP Permian Inc.
5.25%, 01/15/25 (Call 01/15/20)^a		8,242		8,293,512
6.63%, 10/01/22 (Call 04/03/18)		10,937		11,386,722


Security	Principal (000s)		Value
Sanchez Energy Corp.
6.13%, 01/15/23 (Call 07/15/18)^a	$	21,125	$	16,028,594
7.25%, 02/15/23 (Call 02/15/20)^b		8,000		8,090,635
7.75%, 06/15/21 (Call 04/02/18)^a		11,833		11,263,537
Seven Generations Energy Ltd.
5.38%, 09/30/25 (Call 09/30/20)^a,b		13,416		13,181,220
6.75%, 05/01/23 (Call 05/01/18)^b		6,688		6,971,480
6.88%, 06/30/23 (Call 06/30/18)^a,b		6,224		6,510,564
SM Energy Co.
5.00%, 01/15/24 (Call 07/15/18)^a		9,475		8,966,508
5.63%, 06/01/25 (Call 06/01/20)^a		9,663		9,194,344
6.13%, 11/15/22 (Call 11/15/18)^a		8,631		8,703,202
6.75%, 09/15/26 (Call 09/15/21)^a		8,339		8,361,286
Southwestern Energy Co.
4.10%, 03/15/22 (Call 12/15/21)^a		16,826		15,776,712
6.70%, 01/23/25 (Call 10/23/24)		17,088		16,718,947
7.50%, 04/01/26 (Call 04/01/21)^a		10,969		11,071,834
7.75%, 10/01/27 (Call 10/01/22)^a		8,405		8,554,089
Sunoco LP/Sunoco Finance Corp.
4.88%, 01/15/23 (Call 01/15/20)^b		13,560		13,461,676
5.50%, 02/15/26 (Call 02/15/21)^b		12,605		12,593,577
5.88%, 03/15/28 (Call 03/15/23)^b		8,171		8,174,972
Transocean Inc.
5.80%, 10/15/22 (Call 07/15/22)^a		8,219		8,013,525


Security	Principal (000s)		Value
7.50%, 01/15/26 (Call 01/15/21)^a,b	$	13,084	$	13,210,751
8.38%, 12/15/21^a		321		349,890
9.00%, 07/15/23 (Call 07/15/20)^b		21,885		23,476,221
Ultra Resources Inc.
6.88%, 04/15/22 (Call 04/15/19)^a,b		11,214		10,176,705
7.13%, 04/15/25 (Call 04/15/20)^a,b		11,146		9,699,342
Whiting Petroleum Corp.
5.75%, 03/15/21 (Call 12/15/20)^a		13,242		13,573,050
6.25%, 04/01/23 (Call 01/01/23)^a		7,668		7,811,775
6.63%, 01/15/26 (Call 10/15/25)^b		19,052		19,375,884
WPX Energy Inc.
5.25%, 09/15/24 (Call 06/15/24)		12,293		12,300,013
6.00%, 01/15/22 (Call 10/15/21)		17,834		18,522,444
7.50%, 08/01/20 (Call 07/01/20)		418		448,590
8.25%, 08/01/23 (Call 06/01/23)		9,303		10,540,009

				1,422,216,265
OIL & GAS SERVICES — 0.66%
CGG SA
6.50%, 06/01/21^a,e,f		6,202		3,318,070
6.88%, 01/15/22^a,e,f		5,118		2,738,130
SESI LLC
7.13%, 12/15/21 (Call 04/02/18)^a		12,072		12,309,442
7.75%, 09/15/24 (Call 09/15/20)^a,b		8,067		8,385,554
Transocean Phoenix 2 Ltd.
7.75%, 10/15/24 (Call 10/15/20)^a,b		7,788		8,386,379
Transocean Proteus Ltd.
6.25%, 12/01/24 (Call 12/01/20)^a,b		7,746		7,946,155


Security	Principal (000s)		Value
Weatherford International LLC
9.88%, 03/01/25 (Call 12/01/24)^b	$	10,395	$	10,291,050
Weatherford International Ltd.
4.50%, 04/15/22 (Call 01/15/22)^a		9,650		8,468,803
7.75%, 06/15/21 (Call 05/15/21)^a		12,962		12,962,000
8.25%, 06/15/23 (Call 03/15/23)^a		12,928		12,477,048
9.88%, 02/15/24 (Call 11/15/23)^a		12,892		12,847,431

				100,130,062
PACKAGING & CONTAINERS — 2.82%
Ardagh Packaging Finance PLC/Ardagh Holdings USA Inc.
4.25%, 09/15/22 (Call 03/15/19)^a,b		11,619		11,577,992
4.63%, 05/15/23 (Call 05/15/19)^a,b		17,617		17,592,882
6.00%, 06/30/21 (Call 03/12/18)^b		6,344		6,472,100
6.00%, 02/15/25 (Call 02/15/20)^a,b		29,516		30,239,142
7.25%, 05/15/24 (Call 05/15/19)^a,b		25,673		27,566,384
Ball Corp.
4.00%, 11/15/23^a		15,986		15,819,004
4.38%, 12/15/20^a		16,061		16,373,436
5.00%, 03/15/22^a		12,309		12,760,776
5.25%, 07/01/25^a		18,663		19,578,683
Berry Global Inc.
4.50%, 02/15/26 (Call 02/15/21)^b		10,951		10,649,847
5.13%, 07/15/23 (Call 07/15/18)^a		12,501		12,745,825
5.50%, 05/15/22 (Call 04/02/18)^a		7,590		7,789,238
6.00%, 10/15/22 (Call 10/15/18)		5,319		5,529,386
BWAY Holding Co.
5.50%, 04/15/24 (Call 04/15/20)^a,b		26,254		26,844,715


Security	Principal (000s)		Value
7.25%, 04/15/25 (Call 04/15/20)^a,b	$	22,218	$	22,876,208
Crown Americas LLC/Crown Americas Capital Corp. IV
4.50%, 01/15/23^a		19,799		19,957,392
Crown Americas LLC/Crown Americas Capital Corp. V
4.25%, 09/30/26 (Call 03/31/26)^a		7,754		7,329,911
Crown Americas LLC/Crown Americas Capital Corp. VI
4.75%, 02/01/26 (Call 02/01/21)^b		2,300		2,265,822
Owens-Brockway Glass Container Inc.
5.00%, 01/15/22^a,b		7,361		7,508,220
5.88%, 08/15/23^b		14,131		14,688,211
Reynolds Group Issuer Inc./Reynolds Group Issuer LLC/Reynolds Group Issuer Lu
5.13%, 07/15/23 (Call 07/15/19)^a,b		28,251		28,780,706
5.75%, 10/15/20 (Call 04/03/18)^a		52,244		52,889,573
6.88%, 02/15/21 (Call 04/02/18)^a		3,987		4,036,525
7.00%, 07/15/24 (Call 07/15/19)^a,b		12,933		13,628,149
Sealed Air Corp.
4.88%, 12/01/22 (Call 09/01/22)^a,b		6,168		6,340,870
5.13%, 12/01/24 (Call 09/01/24)^a,b		7,510		7,735,300
5.25%, 04/01/23 (Call 01/01/23)^a,b		6,482		6,660,255
5.50%, 09/15/25 (Call 06/15/25)^a,b		7,380		7,716,293
6.50%, 12/01/20 (Call 09/01/20)^a,b		6,180		6,579,125

				430,531,970


Security	Principal (000s)		Value
PHARMACEUTICALS — 2.44%
Endo Dac/Endo Finance LLC/Endo Finco Inc.
6.00%, 07/15/23 (Call 07/15/18)^b	$	26,702	$	20,026,500
6.00%, 02/01/25 (Call 02/01/20)^a,b		21,295		15,279,163
Endo Finance LLC
5.75%, 01/15/22 (Call 04/02/18)^a,b		11,565		9,454,388
Endo Finance LLC/Endo Finco Inc.
5.38%, 01/15/23 (Call 04/02/18)^a,b		12,442		9,318,644
Valeant Pharmaceuticals International Inc.
5.38%, 03/15/20 (Call 04/02/18)^b		27,359		27,290,602
5.50%, 03/01/23 (Call 04/02/18)^b		15,595		13,821,069
5.50%, 11/01/25 (Call 11/01/20)^b		28,509		28,153,615
5.63%, 12/01/21 (Call 04/02/18)^a,b		15,277		14,448,701
5.88%, 05/15/23 (Call 05/15/18)^b		56,596		50,370,440
6.13%, 04/15/25 (Call 04/15/20)^a,b		56,434		49,661,920
6.50%, 03/15/22 (Call 03/15/19)^b		20,426		21,319,638
6.75%, 08/15/21 (Call 04/02/18)^b		11,323		11,066,210
7.00%, 03/15/24 (Call 03/15/20)^a,b		35,176		37,154,650
7.25%, 07/15/22 (Call 04/02/18)^b		11,653		11,333,175
7.50%, 07/15/21 (Call 04/02/18)^a,b		26,887		26,996,992
9.00%, 12/15/25 (Call 12/15/21)^a,b		26,594		26,774,610

				372,470,317


Security	Principal (000s)		Value
PIPELINES — 3.10%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
5.25%, 01/15/25 (Call 01/15/21)	$	573	$	588,070
5.50%, 10/15/19 (Call 09/15/19)		368		379,518
6.25%, 10/15/22 (Call 10/15/18)^a		145		151,887
Buckeye Partners LP
(3 mo. LIBOR US + 2.084%)
6.38%, 01/22/78 (Call 01/22/23)^d		6,966		6,943,923
Cheniere Corpus Christi Holdings LLC
5.13%, 06/30/27 (Call 01/01/27)^a		25,131		25,367,528
5.88%, 03/31/25 (Call 10/02/24)		25,623		27,061,245
7.00%, 06/30/24 (Call 01/01/24)^a		22,678		25,399,360
Cheniere Energy Partners LP
5.25%, 10/01/25 (Call 10/01/20)^a,b		26,605		26,871,050
Crestwood Midstream Partners LP/Crestwood Midstream Finance Corp.
5.75%, 04/01/25 (Call 04/01/20)^a		8,323		8,424,957
6.25%, 04/01/23 (Call 04/02/18)^a		10,550		10,870,621
DCP Midstream Operating LP
3.88%, 03/15/23 (Call 12/15/22)		11,545		11,254,932
4.75%, 09/30/21 (Call 06/30/21)^a,b		9,420		9,578,056
5.35%, 03/15/20^a,b		9,480		9,711,312
(3 mo. LIBOR US + 3.850%)
5.85%, 05/21/43 (Call 05/21/23)^b,d		8,369		7,908,705
Energy Transfer Equity LP
4.25%, 03/15/23 (Call 12/15/22)^a		16,340		16,033,625


Security	Principal (000s)		Value
5.50%, 06/01/27 (Call 03/01/27)^a	$	16,459	$	16,964,140
5.88%, 01/15/24 (Call 10/15/23)^a		19,726		20,796,135
7.50%, 10/15/20		19,548		21,144,900
Genesis Energy LP/Genesis Energy Finance Corp.
6.00%, 05/15/23 (Call 05/15/18)		6,274		6,266,157
6.25%, 05/15/26 (Call 02/15/21)^a		7,839		7,582,092
6.50%, 10/01/25 (Call 10/01/20)^a		8,635		8,591,054
6.75%, 08/01/22 (Call 08/01/18)		11,139		11,431,399
NGPL PipeCo LLC
4.38%, 08/15/22 (Call 05/15/22)^a,b		10,886		10,914,349
4.88%, 08/15/27 (Call 02/15/27)^a,b		11,640		11,756,400
NuStar Logistics LP
4.80%, 09/01/20		6,856		6,881,710
5.63%, 04/28/27 (Call 01/28/27)^a		9,901		9,814,366
Rockies Express Pipeline LLC
5.63%, 04/15/20^a,b		19,217		19,961,659
6.00%, 01/15/19^a,b		177		181,425
SemGroup Corp./Rose Rock Finance Corp.
5.63%, 07/15/22 (Call 03/16/18)^a		5,836		5,773,712
Tallgrass Energy Partners LP/Tallgrass Energy Finance Corp.
5.50%, 09/15/24 (Call 09/15/19)^a,b		11,809		12,207,318
5.50%, 01/15/28 (Call 01/15/23)^b		13,164		13,216,656
Targa Resources Partners LP/Targa Resources Partners Finance Corp.
4.13%, 11/15/19 (Call 04/02/18)		10,847		10,894,908


Security	Principal (000s)		Value
4.25%, 11/15/23 (Call 05/15/18)	$	9,552	$	9,315,759
5.00%, 01/15/28 (Call 01/15/23)^a,b		13,108		12,731,145
5.13%, 02/01/25 (Call 02/01/20)^a		7,275		7,228,882
5.25%, 05/01/23 (Call 04/02/18)		8,918		9,068,536
5.38%, 02/01/27 (Call 02/01/22)^a		8,031		8,050,249
6.75%, 03/15/24 (Call 09/15/19)^a		9,122		9,671,854
Williams Companies Inc. (The)
3.70%, 01/15/23 (Call 10/15/22)		15,485		15,020,286
4.55%, 06/24/24 (Call 03/24/24)^a		20,702		20,810,087

				472,819,967
REAL ESTATE — 0.30%
Howard Hughes Corp. (The)
5.38%, 03/15/25 (Call 03/15/20)^a,b		18,159		17,863,916
Kennedy-Wilson Inc.
5.88%, 04/01/24^b		2,810		2,771,363
Realogy Group LLC/Realogy Co-Issuer Corp.
4.50%, 04/15/19^b		6,196		6,288,940
4.88%, 06/01/23 (Call 03/01/23)^a,b		9,828		9,491,279
5.25%, 12/01/21 (Call 04/02/18)^a,b		9,500		9,618,750

				46,034,248
REAL ESTATE INVESTMENT TRUSTS — 2.59%
CyrusOne LP/CyrusOne Finance Corp.
5.00%, 03/15/24 (Call 03/15/20)		11,617		11,718,649
5.38%, 03/15/27 (Call 03/15/22)		10,105		10,154,959
Equinix Inc.
5.38%, 01/01/22 (Call 04/02/18)^a		12,038		12,489,425


Security	Principal (000s)		Value
5.38%, 04/01/23 (Call 04/02/18)	$	16,598	$	17,009,924
5.38%, 05/15/27 (Call 05/15/22)^a		22,577		23,056,761
5.75%, 01/01/25 (Call 01/01/20)^a		8,315		8,686,947
5.88%, 01/15/26 (Call 01/15/21)^a		19,473		20,397,967
ESH Hospitality Inc.
5.25%, 05/01/25 (Call 05/01/20)^a,b		24,150		24,089,625
Felcor Lodging LP
5.63%, 03/01/23 (Call 03/09/18)		346		352,488
6.00%, 06/01/25 (Call 06/01/20)		152		155,610
Iron Mountain Inc.
4.38%, 06/01/21 (Call 06/01/18)^a,b		7,745		7,791,646
4.88%, 09/15/27 (Call 09/15/22)^b		17,639		16,624,757
5.25%, 03/15/28 (Call 12/27/22)^a,b		14,243		13,572,826
5.75%, 08/15/24 (Call 04/02/18)^a		15,496		15,422,042
6.00%, 08/15/23 (Call 08/15/18)^a		9,246		9,604,283
iStar Inc.
4.63%, 09/15/20 (Call 06/15/20)^a		5,891		5,902,782
5.00%, 07/01/19 (Call 04/02/18)^a		10,765		10,762,309
5.25%, 09/15/22 (Call 09/15/19)^a		8,373		8,190,887
MGM Growth Properties Operating Partnership LP/MGP Finance Co-Issuer Inc.
4.50%, 09/01/26 (Call 06/01/26)^a		8,068		7,725,110
5.63%, 05/01/24 (Call 02/01/24)^a		19,937		20,607,382


Security	Principal (000s)		Value
MPT Operating Partnership LP/MPT Finance Corp.
5.00%, 10/15/27 (Call 10/15/22)^a	$	23,811	$	23,104,787
5.25%, 08/01/26 (Call 08/01/21)^a		8,156		8,074,440
6.38%, 03/01/24 (Call 03/01/19)^a		7,522		7,902,801
SBA Communications Corp.
4.00%, 10/01/22 (Call 10/01/19)^a,b		14,659		14,326,883
4.88%, 07/15/22 (Call 04/02/18)^a		12,762		12,914,688
4.88%, 09/01/24 (Call 09/01/19)^a		19,900		19,601,500
Starwood Property Trust Inc.
3.63%, 02/01/21 (Call 11/01/20)^b		7,511		7,445,279
4.75%, 03/15/25 (Call 09/15/24)^a,b		10,097		9,740,163
5.00%, 12/15/21 (Call 09/15/21)^a		10,921		11,140,195
Uniti Group LP/Uniti Fiber Holdings Inc./CSL Capital LLC
7.13%, 12/15/24 (Call 12/15/19)^b		9,435		8,456,119
Uniti Group LP/Uniti Group Finance Inc./CSL Capital LLC
6.00%, 04/15/23 (Call 04/15/18)^a,b		9,211		8,911,643
8.25%, 10/15/23 (Call 04/15/19)^a		20,793		19,441,455

				395,376,332
RETAIL — 3.73%
1011778 BC ULC/New Red Finance Inc.
4.25%, 05/15/24 (Call 05/15/20)^a,b		28,593		27,383,753
4.63%, 01/15/22 (Call 04/02/18)^b		21,236		21,364,302
5.00%, 10/15/25 (Call 10/15/20)^b		50,027		48,784,665


Security	Principal (000s)		Value
Beacon Escrow Corp.
4.88%, 11/01/25 (Call 11/01/20)^b	$	21,695	$	21,155,337
Claire’s Stores Inc.
9.00%, 03/15/19 (Call 04/02/18)^a,b		17,628		12,119,250
Dollar Tree Inc.
5.25%, 03/01/20 (Call 03/01/18)		12,065		12,214,808
5.75%, 03/01/23 (Call 04/02/18)^a		41,017		42,570,215
Ferrellgas LP/Ferrellgas Finance Corp.
6.50%, 05/01/21 (Call 04/02/18)^a		7,962		7,535,148
6.75%, 01/15/22 (Call 04/02/18)^a		7,113		6,612,665
6.75%, 06/15/23 (Call 06/15/19)^a		8,200		7,482,500
Golden Nugget Inc.
6.75%, 10/15/24 (Call 10/15/19)^a,b		23,233		23,784,784
8.75%, 10/01/25 (Call 10/01/20)^b		10,568		11,098,601
JC Penney Corp. Inc.
5.65%, 06/01/20^a		5,625		5,593,359
5.88%, 07/01/23 (Call 07/01/19)^a,b		10,307		9,852,461
8.13%, 10/01/19		67		70,266
KFC Holding Co./Pizza Hut Holdings LLC/Taco Bell of America LLC
4.75%, 06/01/27 (Call 06/01/22)^a,b		12,201		11,892,519
5.00%, 06/01/24 (Call 06/01/19)^a,b		17,119		17,262,207
5.25%, 06/01/26 (Call 06/01/21)^a,b		17,457		17,633,249
L Brands Inc.
5.25%, 02/01/28		9,101		8,743,054
5.63%, 02/15/22^a		15,984		16,642,141
5.63%, 10/15/23^a		8,531		8,943,687
6.63%, 04/01/21^a		16,139		17,243,553
7.00%, 05/01/20		6,716		7,163,734


Security	Principal (000s)		Value
Neiman Marcus Group Ltd. LLC
8.00%, 10/15/21 (Call 04/02/18)^a,b	$	15,308	$	9,261,340
Penske Automotive Group Inc.
5.50%, 05/15/26 (Call 05/15/21)^a		7,495		7,457,525
5.75%, 10/01/22 (Call 04/02/18)^a		8,524		8,745,091
PetSmart Inc.
5.88%, 06/01/25 (Call 06/01/20)^a,b		24,215		18,778,733
7.13%, 03/15/23 (Call 04/02/18)^a,b		30,660		19,542,684
8.88%, 06/01/25 (Call 06/01/20)^a,b		12,901		8,208,261
QVC Inc.
3.13%, 04/01/19^a		5,310		5,307,835
4.38%, 03/15/23^a		13,071		13,046,270
4.45%, 02/15/25 (Call 11/15/24)^a		12,308		12,174,826
4.85%, 04/01/24^a		10,523		10,658,728
5.13%, 07/02/22^a		8,473		8,761,018
Rite Aid Corp.
6.13%, 04/01/23 (Call 04/02/18)^a,b		31,001		31,233,508
6.75%, 06/15/21 (Call 04/02/18)^a		13,702		13,982,549
9.25%, 03/15/20 (Call 04/02/18)^a		13,968		14,125,140
Staples Inc.
8.50%, 09/15/25 (Call 09/15/20)^a,b		18,435		17,697,600
Suburban Propane Partners LP/Suburban Energy Finance Corp.
5.50%, 06/01/24 (Call 06/01/19)^a		7,927		7,728,825

				569,856,191
SEMICONDUCTORS — 1.09%
Micron Technology Inc.
5.25%, 01/15/24 (Call 05/01/18)^b		8,269		8,489,753
5.50%, 02/01/25 (Call 08/01/19)		7,092		7,352,308


Security	Principal (000s)		Value
5.63%, 01/15/26 (Call 05/01/20)^b	$	362	$	374,670
NXP BV/NXP Funding LLC
3.75%, 06/01/18^b		400		400,250
3.88%, 09/01/22^a,b		18,318		18,316,855
4.13%, 06/15/20^a,b		9,966		10,135,847
4.13%, 06/01/21^a,b		20,940		21,264,570
4.63%, 06/15/22^a,b		6,551		6,735,701
4.63%, 06/01/23^a,b		15,305		15,756,077
5.75%, 03/15/23 (Call 04/02/18)^a,b		7,377		7,595,795
Qorvo Inc.
6.75%, 12/01/23 (Call 12/01/18)^a		7,771		8,263,973
7.00%, 12/01/25 (Call 12/01/20)^a		9,308		10,122,450
Sensata Technologies BV
4.88%, 10/15/23^a,b		11,489		11,675,696
5.00%, 10/01/25^a,b		15,403		15,528,149
5.63%, 11/01/24^a,b		7,833		8,373,869
Sensata Technologies UK Financing Co. PLC
6.25%, 02/15/26 (Call 02/15/21)^a,b		15,813		16,783,743

				167,169,706
SHIPBUILDING — 0.01%
Huntington Ingalls Industries Inc.
5.00%, 11/15/25 (Call 11/15/20)^a,b		1,260		1,336,381

				1,336,381
SOFTWARE — 3.02%
BMC Software Finance Inc.
8.13%, 07/15/21 (Call 04/02/18)^b		32,817		32,908,366
CDK Global Inc.
4.88%, 06/01/27 (Call 06/01/22)^b		10,269		10,188,902
5.00%, 10/15/24 (Call 07/15/24)^a		7,332		7,423,650


Security	Principal (000s)		Value
Change Healthcare Holdings LLC/Change Healthcare Finance Inc.
5.75%, 03/01/25 (Call 03/01/20)^a,b	$	17,927	$	17,882,182
First Data Corp.
5.00%, 01/15/24 (Call 01/15/19)^a,b		34,456		34,734,167
5.38%, 08/15/23 (Call 08/15/18)^a,b		21,819		22,282,654
5.75%, 01/15/24 (Call 01/15/19)^a,b		39,653		40,446,060
7.00%, 12/01/23 (Call 12/01/18)^a,b		56,137		59,084,192
Infor U.S. Inc.
5.75%, 08/15/20 (Call 03/16/18)^a,b		7,459		7,628,900
6.50%, 05/15/22 (Call 05/15/18)^a		30,024		30,702,542
MSCI Inc.
4.75%, 08/01/26 (Call 08/01/21)^a,b		9,025		8,974,234
5.25%, 11/15/24 (Call 11/15/19)^a,b		13,347		13,636,057
5.75%, 08/15/25 (Call 08/15/20)^a,b		14,554		15,245,315
Nuance Communications Inc.
5.38%, 08/15/20 (Call 04/02/18)^a,b		6,200		6,251,150
5.63%, 12/15/26 (Call 12/15/21)		9,186		9,298,992
Open Text Corp.
5.63%, 01/15/23 (Call 04/02/18)^a,b		12,674		13,174,623
5.88%, 06/01/26 (Call 06/01/21)^a,b		17,050		17,668,063
Quintiles IMS Inc.
4.88%, 05/15/23 (Call 05/15/18)^b		12,071		12,327,173
5.00%, 10/15/26 (Call 10/15/21)^b		19,021		19,062,276
Rackspace Hosting Inc.
8.63%, 11/15/24 (Call 11/15/19)^a,b		22,395		23,322,377


Security	Principal (000s)		Value
Solera LLC/Solera Finance Inc.
10.50%, 03/01/24 (Call 03/01/19)^b	$	33,400	$	37,626,770
Veritas U.S. Inc./Veritas Bermuda Ltd.
7.50%, 02/01/23 (Call 02/01/19)^a,b		7,521		7,590,795
10.50%, 02/01/24 (Call 02/01/19)^a,b		13,700		13,083,500

				460,542,940
TELECOMMUNICATIONS — 9.42%
Anixter Inc.
5.13%, 10/01/21^a		6,318		6,491,745
C&W Senior Financing DAC
6.88%, 09/15/27 (Call 09/15/22)^b		12,235		12,647,931
CenturyLink Inc.
5.63%, 04/01/25 (Call 01/01/25)^a		10,090		9,149,243
5.80%, 03/15/22^a		24,422		24,052,278
6.45%, 06/15/21^a		21,257		21,765,584
Series V 5.63%, 04/01/20		18,182		18,445,374
Series W 6.75%, 12/01/23^a		11,944		11,752,625
Series Y
7.50%, 04/01/24 (Call 01/01/24)^a		17,091		17,210,282
CommScope Inc.
5.00%, 06/15/21 (Call 04/02/18)^a,b		9,634		9,790,553
5.50%, 06/15/24 (Call 06/15/19)^b		11,476		11,690,288
CommScope Technologies LLC
5.00%, 03/15/27 (Call 03/15/22)^a,b		13,099		12,786,534
6.00%, 06/15/25 (Call 06/15/20)^a,b		24,881		25,737,698
Frontier Communications Corp.
6.25%, 09/15/21 (Call 06/15/21)^a		12,073		10,322,415
6.88%, 01/15/25 (Call 10/15/24)^a		13,594		8,296,338


Security	Principal (000s)		Value
7.13%, 03/15/19	$	5,993	$	6,082,895
7.13%, 01/15/23^a		16,761		11,162,028
7.63%, 04/15/24^a		12,287		7,787,695
8.13%, 10/01/18		6,968		7,077,964
8.50%, 04/15/20		10,531		10,308,413
8.75%, 04/15/22		8,138		6,408,675
8.88%, 09/15/20 (Call 06/15/20)^a		345		344,244
9.25%, 07/01/21		8,880		8,192,910
10.50%, 09/15/22 (Call 06/15/22)^a		38,630		32,997,607
11.00%, 09/15/25 (Call 06/15/25)^a		62,620		48,608,775
Hughes Satellite Systems Corp.
5.25%, 08/01/26^a		13,736		13,432,664
6.50%, 06/15/19^a		15,148		15,667,661
6.63%, 08/01/26^a		14,394		14,789,835
7.63%, 06/15/21^a		14,398		15,500,989
Inmarsat Finance PLC
4.88%, 05/15/22 (Call 04/02/18)^a,b		16,705		16,542,961
6.50%, 10/01/24 (Call 10/01/19)^a,b		6,510		6,660,544
Intelsat Jackson Holdings SA
5.50%, 08/01/23 (Call 08/01/18)^a		34,942		28,907,227
7.25%, 10/15/20 (Call 04/02/18)		38,259		35,593,744
7.50%, 04/01/21 (Call 04/02/18)		18,808		17,134,218
8.00%, 02/15/24 (Call 02/15/19)^a,b		22,520		23,646,000
9.50%, 09/30/22^b		8,132		9,311,140
9.75%, 07/15/25 (Call 07/15/21)^b		26,493		25,084,614
Intelsat Luxembourg SA
7.75%, 06/01/21 (Call 04/03/18)		31,784		17,957,960
8.13%, 06/01/23 (Call 06/01/18)		16,526		8,717,465
Koninklijke KPN NV
(10 year USD Swap + 5.330%)
7.00%, 03/28/73 (Call 03/28/23)^a,b,d		11,447		12,690,635


Security	Principal (000s)		Value
Level 3 Financing Inc.
5.13%, 05/01/23 (Call 05/01/18)	$	12,388	$	12,357,030
5.25%, 03/15/26 (Call 03/15/21)^a		13,426		12,862,854
5.38%, 08/15/22 (Call 04/02/18)		16,923		17,090,115
5.38%, 01/15/24 (Call 01/15/19)^a		14,282		14,204,215
5.38%, 05/01/25 (Call 05/01/20)^a		14,067		13,984,133
5.63%, 02/01/23 (Call 04/02/18)^a		10,389		10,505,876
6.13%, 01/15/21 (Call 04/02/18)		9,707		9,858,672
Level 3 Parent LLC
5.75%, 12/01/22 (Call 04/02/18)^a		424		427,127
Nokia OYJ
3.38%, 06/12/22		11,136		10,842,566
4.38%, 06/12/27^a		9,697		9,330,211
5.38%, 05/15/19		5,754		5,901,206
Qwest Corp.
6.75%, 12/01/21		7,467		7,967,523
SoftBank Group Corp.
4.50%, 04/15/20^a,b		43,485		43,919,850
Sprint Communications Inc.
6.00%, 11/15/22		40,241		39,670,487
7.00%, 03/01/20^a,b		17,510		18,540,901
7.00%, 08/15/20		24,633		25,731,220
11.50%, 11/15/21		16,177		19,092,537
Sprint Corp.
7.13%, 06/15/24^a		42,074		41,783,689
7.25%, 09/15/21^a		38,190		39,846,713
7.63%, 02/15/25 (Call 11/15/24)^a		26,070		26,101,821
7.63%, 03/01/26 (Call 11/01/25)		27,376		27,341,780
7.88%, 09/15/23^a		71,814		74,143,230
T-Mobile USA Inc.
4.00%, 04/15/22 (Call 03/16/22)		8,540		8,550,675
4.50%, 02/01/26 (Call 02/01/21)		16,802		16,441,726


Security	Principal (000s)		Value
4.75%, 02/01/28 (Call 02/01/23)^a	$	28,949	$	28,169,852
5.13%, 04/15/25 (Call 04/15/20)		9,018		9,103,349
5.38%, 04/15/27 (Call 04/15/22)		8,998		9,204,472
6.00%, 03/01/23 (Call 09/01/18)^a		20,600		21,347,741
6.00%, 04/15/24 (Call 04/15/19)		17,646		18,379,412
6.38%, 03/01/25 (Call 09/01/19)^a		28,104		29,613,623
6.50%, 01/15/24 (Call 01/15/19)^a		15,396		16,150,997
6.50%, 01/15/26 (Call 01/15/21)^a		34,014		36,468,392
6.63%, 04/01/23 (Call 04/01/18)^a		29,543		30,588,822
6.84%, 04/28/23 (Call 04/28/18)		8,668		9,029,889
Telecom Italia Capital SA
7.18%, 06/18/19^a		13,133		13,760,757
Telecom Italia SpA/Milano
5.30%, 05/30/24^a,b		25,696		26,663,454
Telefonaktiebolaget LM Ericsson
4.13%, 05/15/22^a		15,961		15,802,469
Wind Tre SpA
5.00%, 01/20/26 (Call 11/03/20)^a,b		35,884		30,949,950
Windstream Services LLC/Windstream Finance Corp.
6.38%, 08/01/23 (Call 04/02/18)^a		7,540		4,335,500
6.38%, 08/01/23 (Call 04/02/18)^a,b		412		236,900
7.75%, 10/15/20 (Call 04/02/18)^a		8,743		7,455,836
8.63%, 10/31/25 (Call 10/31/20)^a,b		10,199		9,536,065
8.75%, 12/15/24 (Call 12/15/22)^a,b		22,246		14,237,440

				1,438,278,828


Security	Principal or Shares (000s)		Value
TOYS, GAMES & HOBBIES — 0.13%
Mattel Inc.
6.75%, 12/31/25 (Call 12/31/20)^a,b	$	18,847	$	19,176,823

				19,176,823
TRANSPORTATION — 0.32%
Navios Maritime Holdings Inc./Navios Maritime Finance II U.S. Inc.
7.38%, 01/15/22 (Call 04/02/18)^a,b		13,278		10,879,661
XPO Logistics Inc.
6.13%, 09/01/23 (Call 09/01/19)^a,b		10,818		11,241,706
6.50%, 06/15/22 (Call 06/15/18)^b		25,919		26,923,361

				49,044,728
TRUCKING & LEASING — 0.45%
Park Aerospace Holdings Ltd.
4.50%, 03/15/23 (Call 02/15/23)^a,b		15,096		14,567,640
5.25%, 08/15/22^a,b		31,229		31,307,072
5.50%, 02/15/24^a,b		23,020		23,135,100

				69,009,812

TOTAL CORPORATE BONDS & NOTES
(Cost: $15,509,332,324)				14,875,312,256

SHORT-TERM INVESTMENTS — 24.37%

MONEY MARKET FUNDS — 24.37%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^g,h,i		3,511,252		3,511,603,089
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^g,h		210,259		210,258,882

				3,721,861,971

TOTAL SHORT-TERM INVESTMENTS
(Cost: $3,721,516,722)				3,721,861,971


	Value
TOTAL INVESTMENTS IN SECURITIES — 121.78%
(Cost: $19,230,849,046)	$	18,597,174,227
Other Assets, Less Liabilities — (21.78)%		(3,325,719,294	)

NET ASSETS — 100.00%	$	15,271,454,933

^a	All or a portion of this security is on loan.

^b	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^c	Security is perpetual in nature with no stated maturity date.

^d	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^e	Issuer is in default of interest payments.

CGG, as part of the implementation of its financial restructuring plan, issued on February 21, 2018 second lien secured senior notes in exchange for part of the accrued interest claim under the senior notes held by the Fund. CGG also issued warrants in favor of the subscribers to the second lien notes. The holdings of CGG disclosed in the schedule of investments represents the pre-restructure senior notes.

^g	Affiliate of the Fund.

^h	Annualized 7-day yield as of period end.

ⁱ	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 99.08%

ADVERTISING — 0.20%
Omnicom Group Inc.
3.60%, 04/15/26 (Call 01/15/26)	$	20,367	$	19,880,251
3.63%, 05/01/22^a		14,977		15,148,246
3.65%, 11/01/24 (Call 08/01/24)		9,417		9,368,973
WPP Finance 2010
3.75%, 09/19/24		11,899		11,886,608
4.75%, 11/21/21		7,970		8,386,298

				64,670,376
AEROSPACE & DEFENSE — 1.43%
General Dynamics Corp.
2.25%, 11/15/22 (Call 08/15/22)^a		7,283		7,026,764
Lockheed Martin Corp.
2.90%, 03/01/25 (Call 12/01/24)		4,254		4,092,944
3.35%, 09/15/21^a		15,873		16,033,686
3.55%, 01/15/26 (Call 10/15/25)^a		27,124		27,123,873
3.80%, 03/01/45 (Call 09/01/44)^a		17,325		16,327,690
4.07%, 12/15/42^a		15,574		15,341,043
4.09%, 09/15/52 (Call 03/15/52)^a		11,539		11,198,294
4.70%, 05/15/46 (Call 11/15/45)		18,656		20,211,403
Northrop Grumman Corp.
2.55%, 10/15/22 (Call 09/15/22)		19,999		19,340,339
2.93%, 01/15/25 (Call 11/15/24)^a		13,140		12,603,977
3.20%, 02/01/27 (Call 11/01/26)^a		8,613		8,264,481
3.25%, 08/01/23^a		16,379		16,275,270
3.25%, 01/15/28 (Call 10/15/27)		23,654		22,591,209
4.03%, 10/15/47 (Call 04/15/47)^a		23,507		22,601,778
4.75%, 06/01/43^a		10,666		11,420,359


Security	Principal (000s)		Value
Raytheon Co.
2.50%, 12/15/22 (Call 09/15/22)^a	$	8,310	$	8,110,056
Rockwell Collins Inc.
2.80%, 03/15/22 (Call 02/15/22)^a		14,798		14,447,601
3.20%, 03/15/24 (Call 01/15/24)		13,371		13,091,346
3.50%, 03/15/27 (Call 12/15/26)^a		22,930		22,279,237
4.35%, 04/15/47 (Call 10/15/46)		9,318		9,315,933
United Technologies Corp.
1.95%, 11/01/21 (Call 10/01/21)^a		6,018		5,785,383
2.65%, 11/01/26 (Call 08/01/26)^a		16,025		14,787,290
2.80%, 05/04/24 (Call 03/04/24)^a		8,292		7,940,840
3.10%, 06/01/22^a		30,589		30,484,116
3.13%, 05/04/27 (Call 02/04/27)		16,749		15,887,983
3.75%, 11/01/46 (Call 05/01/46)		11,660		10,650,723
4.15%, 05/15/45 (Call 11/16/44)		9,618		9,383,128
4.50%, 06/01/42^a		43,519		44,659,320
5.70%, 04/15/40^a		13,387		15,901,938
6.13%, 07/15/38		11,560		14,301,474

				467,479,478
AGRICULTURE — 1.51%
Altria Group Inc.
2.63%, 09/16/26 (Call 06/16/26)^a		235		217,291
2.85%, 08/09/22^a		29,243		28,731,019
3.88%, 09/16/46 (Call 03/16/46)^a		14,001		12,932,575
4.00%, 01/31/24		20,587		21,172,494
4.25%, 08/09/42^a		8,559		8,411,789
4.75%, 05/05/21^a		10,492		11,048,575
5.38%, 01/31/44		22,902		26,157,036
Archer-Daniels-Midland Co.
2.50%, 08/11/26 (Call 05/11/26)^a		7,032		6,441,994


Security	Principal (000s)		Value
BAT Capital Corp.
2.76%, 08/15/22 (Call 07/15/22)^b	$	25,274	$	24,558,953
3.22%, 08/15/24 (Call 06/15/24)^b		34,219		33,043,454
3.56%, 08/15/27 (Call 05/15/27)^b		43,803		41,859,430
4.39%, 08/15/37 (Call 02/15/37)^a,b		34,994		34,583,128
4.54%, 08/15/47 (Call 02/15/47)^a,b		28,720		27,935,327
Philip Morris International Inc.
1.88%, 02/25/21 (Call 01/25/21)^a		2,386		2,310,201
2.38%, 08/17/22 (Call 07/17/22)^a		11,731		11,307,200
2.50%, 08/22/22^a		8,479		8,215,523
2.50%, 11/02/22 (Call 10/02/22)		899		868,880
2.75%, 02/25/26 (Call 11/25/25)^a		5,221		4,927,020
2.90%, 11/15/21^a		7,367		7,317,027
3.25%, 11/10/24		13,450		13,237,034
3.38%, 08/11/25 (Call 05/11/25)		13,080		12,874,194
3.88%, 08/21/42^a		13,961		13,099,382
4.13%, 03/04/43		9,626		9,334,249
4.25%, 11/10/44^a		16,988		16,919,228
4.38%, 11/15/41^a		9,854		9,932,251
4.88%, 11/15/43^a		7,936		8,555,455
6.38%, 05/16/38		17,671		22,767,230
Reynolds American Inc.
4.00%, 06/12/22^a		5,633		5,753,572
4.45%, 06/12/25 (Call 03/12/25)		32,857		33,890,041
5.70%, 08/15/35 (Call 02/15/35)^a		5,309		6,041,499
5.85%, 08/15/45 (Call 02/15/45)		25,115		29,144,350

				493,587,401
APPAREL — 0.07%
NIKE Inc.
2.38%, 11/01/26 (Call 08/01/26)^a		11,772		10,883,779


Security	Principal (000s)		Value
3.88%, 11/01/45 (Call 05/01/45)^a	$	11,091	$	10,890,357

				21,774,136
AUTO MANUFACTURERS — 2.17%
American Honda Finance Corp.
1.70%, 09/09/21^a		7,176		6,870,399
Daimler Finance North America LLC
8.50%, 01/18/31^a		17,849		25,939,331
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)^a		18,780		18,476,694
4.75%, 01/15/43^a		27,812		25,600,248
5.29%, 12/08/46 (Call 06/08/46)^a		17,714		17,383,173
7.45%, 07/16/31^a		18,467		22,529,576
Ford Motor Credit Co. LLC
3.10%, 05/04/23^a		10,726		10,318,934
3.20%, 01/15/21^a		11,563		11,478,503
3.22%, 01/09/22^a		20,381		20,055,601
3.34%, 03/18/21		22,683		22,569,020
3.34%, 03/28/22 (Call 02/28/22)		3,097		3,050,515
3.66%, 09/08/24^a		20,874		20,215,160
3.81%, 01/09/24 (Call 11/09/23)^a		8,992		8,857,126
3.82%, 11/02/27 (Call 08/02/27)^a		10,996		10,289,964
4.13%, 08/04/25^a		7,272		7,140,735
4.25%, 09/20/22^a		18,025		18,342,474
4.38%, 08/06/23^a		13,760		14,020,126
4.39%, 01/08/26^a		12,235		12,152,906
5.75%, 02/01/21^a		17,248		18,305,906
5.88%, 08/02/21^a		23,658		25,364,321
General Motors Co.
4.20%, 10/01/27 (Call 07/01/27)		5,007		4,921,626
4.88%, 10/02/23^a		21,516		22,526,919
5.00%, 04/01/35		13,556		13,509,956
5.15%, 04/01/38 (Call 10/01/37)		7,389		7,386,164
5.20%, 04/01/45^a		17,173		16,902,354
5.40%, 04/01/48 (Call 10/01/47)^a		8,659		8,757,894


Security	Principal (000s)		Value
6.25%, 10/02/43	$	25,589	$	28,811,251
6.60%, 04/01/36 (Call 10/01/35)		11,996		13,915,806
6.75%, 04/01/46 (Call 10/01/45)		11,570		13,610,040
General Motors Financial Co. Inc.
3.15%, 06/30/22 (Call 05/30/22)^a		12,062		11,790,183
3.20%, 07/06/21 (Call 06/06/21)^a		22,456		22,284,198
3.45%, 01/14/22 (Call 12/14/21)		14,472		14,390,759
3.45%, 04/10/22 (Call 02/10/22)		16,419		16,291,635
3.50%, 11/07/24 (Call 09/07/24)^a		4,783		4,619,888
3.70%, 05/09/23 (Call 03/09/23)^a		14,601		14,508,859
3.95%, 04/13/24 (Call 02/13/24)		19,734		19,681,004
4.00%, 01/15/25 (Call 10/15/24)^a		9,371		9,278,121
4.00%, 10/06/26 (Call 07/06/26)^a		10,138		9,880,567
4.20%, 03/01/21 (Call 02/01/21)^a		21,487		21,979,706
4.30%, 07/13/25 (Call 04/13/25)^a		13,606		13,641,106
4.35%, 01/17/27 (Call 10/17/26)		14,675		14,596,019
4.38%, 09/25/21^a		14,737		15,153,400
5.25%, 03/01/26 (Call 12/01/25)^a		10,093		10,683,017
Toyota Motor Credit Corp.
1.90%, 04/08/21^a		14,019		13,618,372
2.15%, 09/08/22^a		2,435		2,343,368
2.60%, 01/11/22		14,376		14,160,190
3.20%, 01/11/27^a		7,319		7,188,917
3.30%, 01/12/22^a		13,491		13,621,633
3.40%, 09/15/21^a		10,313		10,470,425

				709,484,089


Security	Principal (000s)		Value
BANKS — 27.93%
Australia & New Zealand Banking Group Ltd./New York NY
2.30%, 06/01/21^a	$	15,676	$	15,287,477
2.55%, 11/23/21^a		7,307		7,145,113
2.63%, 05/19/22^a		647		631,024
2.70%, 11/16/20		11,979		11,886,556
3.70%, 11/16/25^a		10,709		10,835,871
Banco Santander SA
3.13%, 02/23/23		7,766		7,553,443
3.50%, 04/11/22^a		12,602		12,565,699
3.80%, 02/23/28^a		7,763		7,458,051
4.25%, 04/11/27^a		19,381		19,341,507
5.18%, 11/19/25^a		16,470		17,255,716
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)		2,158		2,114,354
2.50%, 10/21/22 (Call 10/21/21)^a		32,533		31,387,357
2.63%, 04/19/21^a		36,892		36,396,551
3.25%, 10/21/27 (Call 10/21/26)^a		48,360		45,820,147
3.30%, 01/11/23^a		59,218		58,996,519
3.50%, 04/19/26^a		39,681		39,084,495
3.88%, 08/01/25		32,047		32,440,185
4.00%, 04/01/24		33,332		34,144,727
4.00%, 01/22/25^a		36,583		36,776,564
4.10%, 07/24/23		31,423		32,488,117
4.13%, 01/22/24		33,119		34,266,441
4.18%, 11/25/27 (Call 11/25/26)^a		13,250		13,234,859
4.20%, 08/26/24^a		34,133		34,842,878
4.25%, 10/22/26^a		22,305		22,513,469
4.45%, 03/03/26^a		21,211		21,721,328
4.88%, 04/01/44		951		1,045,923
5.00%, 01/21/44		23,480		26,269,022
5.70%, 01/24/22		10,857		11,834,659
5.88%, 02/07/42		17,640		21,874,283
6.11%, 01/29/37^a		25,016		30,171,142
7.75%, 05/14/38		13,512		19,215,503
(3 mo. LIBOR US + 0.630%)
2.33%, 10/01/21 (Call 10/01/20)^c		5,983		5,872,977


Security	Principal (000s)		Value
(3 mo. LIBOR US + 0.790%)
3.00%, 12/20/23 (Call 12/20/22)^a,b,c	$	36,569	$	35,844,096
(3 mo. LIBOR US + 0.810%)
3.37%, 01/23/26 (Call 01/23/25)^c		25,983		25,409,106
(3 mo. LIBOR US + 0.930%)
2.82%, 07/21/23 (Call 07/21/22)^c		15,117		14,753,687
(3 mo. LIBOR US + 1.021%)
2.88%, 04/24/23 (Call 04/24/22)^c		19,496		19,105,899
(3 mo. LIBOR US + 1.040%)
3.42%, 12/20/28 (Call 12/20/27)^a,b,c		77,626		74,586,337
(3 mo. LIBOR US + 1.090%)
3.09%, 10/01/25 (Call 10/01/24)^c		11,276		10,850,676
(3 mo. LIBOR US + 1.160%)
3.12%, 01/20/23 (Call 01/20/22)^c		15,084		14,964,603
(3 mo. LIBOR US + 1.190%)
3.95%, 01/23/49 (Call 01/23/48)^a,c		21,014		20,033,558
(3 mo. LIBOR US + 1.370%)
3.59%, 07/21/28 (Call 07/21/27)^a,c		26,968		26,277,997
(3 mo. LIBOR US + 1.512%)
3.71%, 04/24/28 (Call 04/24/27)^a,c		29,323		28,843,270
(3 mo. LIBOR US + 1.575%)
3.82%, 01/20/28 (Call 01/20/27)^a,c		23,296		23,095,228
(3 mo. LIBOR US + 1.814%)
4.24%, 04/24/38 (Call 04/24/37)^a,c		19,605		19,910,871
(3 mo. LIBOR US + 1.990%)
4.44%, 01/20/48 (Call 01/20/47)^a,c		25,347		26,243,822
Series L
3.95%, 04/21/25		38,987		38,923,892
Bank of America N.A.
6.00%, 10/15/36^a		2,903		3,595,508


Security	Principal (000s)		Value
Bank of Montreal
1.90%, 08/27/21^a	$	17,083	$	16,406,433
2.35%, 09/11/22^a		20,396		19,631,807
2.55%, 11/06/22 (Call 10/06/22)^a		14,205		13,777,903
Bank of New York Mellon Corp. (The)
2.05%, 05/03/21 (Call 04/03/21)^a		12,126		11,773,641
2.20%, 08/16/23 (Call 06/16/23)		20,099		18,978,867
2.45%, 11/27/20 (Call 10/27/20)		1,884		1,858,563
2.45%, 08/17/26 (Call 05/17/26)^a		13,378		12,237,958
2.50%, 04/15/21 (Call 03/15/21)^a		13,809		13,596,230
2.60%, 02/07/22 (Call 01/07/22)^a		11,295		11,061,924
2.80%, 05/04/26 (Call 02/04/26)^a		10,150		9,569,890
2.95%, 01/29/23 (Call 12/29/22)		6,984		6,901,612
3.00%, 02/24/25 (Call 01/24/25)^a		15,661		15,180,846
3.25%, 05/16/27 (Call 02/16/27)^a		9,858		9,547,130
3.30%, 08/23/29 (Call 05/23/29)		10,259		9,724,156
3.40%, 01/29/28 (Call 10/29/27)		9,738		9,507,384
3.55%, 09/23/21 (Call 08/23/21)^a		15,605		15,851,841
3.65%, 02/04/24 (Call 01/05/24)^a		13,725		13,952,143
(3 mo. LIBOR US + 0.634%)
2.66%, 05/16/23 (Call 05/16/22)^a,c		2,662		2,594,752
(3 mo. LIBOR US + 1.069%)
3.44%, 02/07/28 (Call 02/07/27)^a,c		762		748,901
Bank of Nova Scotia (The)
2.45%, 03/22/21^a		18,701		18,393,311
2.45%, 09/19/22^a		2,669		2,579,923


Security	Principal (000s)		Value
2.70%, 03/07/22^a	$	26,185	$	25,668,674
2.80%, 07/21/21^a		10,959		10,861,910
4.38%, 01/13/21^a		4,564		4,732,765
4.50%, 12/16/25^a		17,909		18,271,433
Barclays PLC
3.20%, 08/10/21^a		6,720		6,645,833
3.25%, 01/12/21^a		6,567		6,525,383
3.65%, 03/16/25^a		34,488		33,215,807
3.68%, 01/10/23 (Call 01/10/22)		12,988		12,870,269
4.34%, 01/10/28 (Call 01/10/27)^a		9,443		9,381,367
4.38%, 09/11/24^a		10,712		10,512,195
4.38%, 01/12/26^a		28,932		28,977,117
4.84%, 05/09/28 (Call 05/07/27)^a		28,847		28,396,381
4.95%, 01/10/47^a		24,061		24,682,334
5.20%, 05/12/26^a		30,034		30,497,821
5.25%, 08/17/45^a		18,199		19,536,879
BB&T Corp.
2.05%, 05/10/21 (Call 04/09/21)^a		14,091		13,681,327
2.75%, 04/01/22 (Call 03/01/22)^a		15,909		15,656,389
2.85%, 10/26/24 (Call 09/26/24)^a		7,879		7,603,989
BNP Paribas SA
4.25%, 10/15/24^a		13,190		13,465,443
5.00%, 01/15/21		11,070		11,640,649
BNP Paribas/BNP Paribas U.S. Medium-Term Note Program LLC
3.25%, 03/03/23^a		17,957		17,831,170
BPCE SA
2.65%, 02/03/21^a		8,848		8,798,886
2.75%, 12/02/21		20,232		19,801,651
4.00%, 04/15/24^a		22,218		22,753,985
Branch Banking & Trust Co.
2.63%, 01/15/22 (Call 12/15/21)^a		15,784		15,495,914
3.63%, 09/16/25 (Call 08/16/25)		9,505		9,513,768
3.80%, 10/30/26 (Call 09/30/26)^a		2,574		2,599,133


Security	Principal (000s)		Value
Canadian Imperial Bank of Commerce
2.55%, 06/16/22^a	$	11,122	$	10,829,925
Capital One Financial Corp.
3.05%, 03/09/22 (Call 02/09/22)		2,292		2,255,696
3.20%, 01/30/23 (Call 12/30/22)		24,380		23,923,331
3.20%, 02/05/25 (Call 01/05/25)^a		5,705		5,484,044
3.30%, 10/30/24 (Call 09/30/24)		11,654		11,309,998
3.50%, 06/15/23^a		6,075		6,046,653
3.75%, 04/24/24 (Call 03/24/24)^a		3,036		3,029,261
3.75%, 07/28/26 (Call 06/28/26)^a		36,472		34,789,324
3.75%, 03/09/27 (Call 02/09/27)^a		12,823		12,452,678
3.80%, 01/31/28 (Call 12/31/27)		19,381		18,812,768
4.20%, 10/29/25 (Call 09/29/25)^a		21,721		21,602,922
4.75%, 07/15/21^a		7,810		8,184,621
Capital One N.A.
2.25%, 09/13/21 (Call 08/13/21)		17,958		17,322,906
2.65%, 08/08/22 (Call 07/08/22)		4,565		4,403,338
2.95%, 07/23/21 (Call 06/23/21)^a		19,725		19,504,402
Citigroup Inc.
2.35%, 08/02/21^a		27,641		26,901,907
2.70%, 03/30/21		30,359		29,982,670
2.70%, 10/27/22 (Call 09/27/22)		7,779		7,555,253
2.75%, 04/25/22 (Call 03/25/22)^a		33,806		33,038,269
2.90%, 12/08/21 (Call 11/08/21)^a		30,010		29,617,106
3.20%, 10/21/26 (Call 07/21/26)^a		46,198		44,078,353
3.30%, 04/27/25^a		24,537		23,874,776
3.40%, 05/01/26^a		31,482		30,601,363


Security	Principal (000s)		Value
3.50%, 05/15/23^a	$	22,095	$	21,969,969
3.70%, 01/12/26^a		38,657		38,443,536
3.75%, 06/16/24		673		676,968
3.88%, 10/25/23^a		10,156		10,337,171
3.88%, 03/26/25^a		11,669		11,581,918
4.00%, 08/05/24^a		14,166		14,288,136
4.05%, 07/30/22^a		18,341		18,711,175
4.13%, 07/25/28^a		36,663		36,330,639
4.30%, 11/20/26^a		18,302		18,495,330
4.40%, 06/10/25		15,713		16,081,883
4.45%, 09/29/27^a		53,947		54,977,525
4.50%, 01/14/22^a		38,628		40,300,952
4.60%, 03/09/26^a		18,348		18,922,691
4.65%, 07/30/45^a		3,260		3,474,999
4.75%, 05/18/46		31,272		32,016,302
5.30%, 05/06/44		12,089		13,333,709
5.50%, 09/13/25^a		14,084		15,382,601
5.88%, 01/30/42^a		14,644		18,148,418
6.63%, 06/15/32^a		14,163		17,387,683
6.68%, 09/13/43^a		10,834		14,056,443
8.13%, 07/15/39		24,248		36,666,186
(3 mo. LIBOR US + 0.722%)
3.14%, 01/24/23 (Call 01/24/22)^c		9,990		9,905,787
(3 mo. LIBOR US + 0.950%)
2.88%, 07/24/23 (Call 07/24/22)^a,c		13,901		13,572,001
(3 mo. LIBOR US + 1.151%)
3.52%, 10/27/28 (Call 10/27/27)^c		25,113		24,233,500
(3 mo. LIBOR US + 1.168%)
3.88%, 01/24/39 (Call 01/24/38)^c		15,708		15,147,812
(3 mo. LIBOR US + 1.390%)
3.67%, 07/24/28 (Call 07/24/27)^c		23,455		22,973,933
(3 mo. LIBOR US + 1.563%)
3.89%, 01/10/28 (Call 01/10/27)^a,c		27,205		27,114,290
(3 mo. LIBOR US + 1.839%)
4.28%, 04/24/48 (Call 04/24/47)^a,c		4,167		4,196,590


Security	Principal (000s)		Value
Citizens Bank N.A./Providence RI
2.55%, 05/13/21 (Call 04/13/21)	$	2,727	$	2,674,601
Citizens Financial Group Inc.
4.30%, 12/03/25 (Call 11/03/25)^a		9,880		10,053,014
Commonwealth Bank of Australia/New York NY
2.40%, 11/02/20		5,241		5,158,924
2.55%, 03/15/21		2,180		2,148,600
Cooperatieve Rabobank UA
3.75%, 07/21/26^a		21,286		20,660,343
3.88%, 02/08/22^a		41,340		42,266,905
3.95%, 11/09/22^a		22,484		22,772,740
4.38%, 08/04/25^a		20,617		20,972,738
4.63%, 12/01/23^a		25,399		26,441,162
5.25%, 05/24/41^a		18,076		21,439,620
5.25%, 08/04/45^a		8,286		9,187,363
5.75%, 12/01/43^a		9,362		11,065,784
Cooperatieve Rabobank UA/NY
2.50%, 01/19/21^a		8,211		8,073,858
2.75%, 01/10/22^a		10,881		10,702,882
2.75%, 01/10/23		17,707		17,262,066
3.38%, 05/21/25^a		16,175		15,956,696
Credit Suisse AG/New York NY
3.00%, 10/29/21		24,638		24,495,484
3.63%, 09/09/24^a		39,237		39,156,709
Credit Suisse Group Funding Guernsey Ltd.
3.45%, 04/16/21^a		18,015		18,079,330
3.75%, 03/26/25^a		26,811		26,442,909
3.80%, 09/15/22^a		26,510		26,748,028
3.80%, 06/09/23^a		22,314		22,427,150
4.55%, 04/17/26^a		28,829		29,838,574
4.88%, 05/15/45^a		20,884		22,230,199
Deutsche Bank AG
3.13%, 01/13/21		7,155		7,088,979
3.38%, 05/12/21^a		28,758		28,603,541
4.10%, 01/13/26^a		803		785,300
4.25%, 10/14/21^a		22,726		23,198,905
Deutsche Bank AG/London
3.70%, 05/30/24^a		15,701		15,332,520


Security	Principal (000s)		Value
Deutsche Bank AG/New York NY
3.30%, 11/16/22^a	$	12,986	$	12,676,949
3.95%, 02/27/23		15,000		14,955,502
Discover Bank
3.20%, 08/09/21 (Call 07/09/21)		6,963		6,922,640
3.45%, 07/27/26 (Call 04/27/26)^a		5,255		4,980,232
4.20%, 08/08/23		7,427		7,640,714
Fifth Third Bancorp.
4.30%, 01/16/24 (Call 12/16/23)^a		3,401		3,510,947
8.25%, 03/01/38		13,241		19,160,086
Fifth Third Bank/Cincinnati OH
2.25%, 06/14/21 (Call 05/14/21)^a		2,550		2,485,583
2.88%, 10/01/21 (Call 09/01/21)^a		15,518		15,389,089
3.85%, 03/15/26 (Call 02/15/26)^a		3,029		3,013,107
Goldman Sachs Group Inc. (The)
2.35%, 11/15/21 (Call 11/15/20)^a		31,211		30,199,086
2.60%, 12/27/20 (Call 12/27/19)		2,932		2,896,782
2.63%, 04/25/21 (Call 03/25/21)^a		22,715		22,332,557
2.88%, 02/25/21 (Call 01/25/21)^a		16,884		16,765,093
3.00%, 04/26/22 (Call 04/26/21)^a		38,652		38,084,152
3.20%, 02/23/23 (Call 01/23/23)		25,234		24,852,787
3.50%, 01/23/25 (Call 10/23/24)^a		29,092		28,506,884
3.50%, 11/16/26 (Call 11/16/25)^a		31,861		30,682,780
3.63%, 01/22/23^a		37,065		37,300,033
3.75%, 05/22/25 (Call 02/22/25)^a		37,804		37,587,387
3.75%, 02/25/26 (Call 11/25/25)^a		27,620		27,271,869
3.85%, 07/08/24 (Call 04/08/24)^a		32,895		33,115,683


Security	Principal (000s)		Value
3.85%, 01/26/27 (Call 01/26/26)^a	$	29,511	$	29,104,471
4.00%, 03/03/24^a		33,681		34,283,711
4.25%, 10/21/25^a		11,801		11,891,463
4.75%, 10/21/45 (Call 04/21/45)^a		29,238		31,068,714
4.80%, 07/08/44 (Call 01/08/44)^a		21,158		22,604,545
5.15%, 05/22/45^a		11,746		12,653,349
5.25%, 07/27/21^a		39,355		41,893,787
5.75%, 01/24/22^a		53,819		58,366,474
5.95%, 01/15/27		9,352		10,543,827
6.13%, 02/15/33^a		22,887		27,567,936
6.25%, 02/01/41^a		31,418		39,993,967
6.45%, 05/01/36		855		1,045,676
6.75%, 10/01/37		68,691		86,568,588
(3 mo. LIBOR US + 0.821%)
2.88%, 10/31/22 (Call 10/31/21)^c		41,288		40,490,551
(3 mo. LIBOR US + 0.990%)
2.91%, 07/24/23 (Call 07/24/22)^c		25,848		25,154,085
(3 mo. LIBOR US + 1.053%)
2.91%, 06/05/23 (Call 06/05/22)^a,c		15,123		14,739,284
(3 mo. LIBOR US + 1.158%)
3.81%, 04/23/29 (Call 04/23/28)^a,c		33,941		33,161,351
(3 mo. LIBOR US + 1.201%)
3.27%, 09/29/25 (Call 09/29/24)^c		32,861		31,753,571
(3 mo. LIBOR US + 1.373%)
4.02%, 10/31/38 (Call 10/31/37)^c		27,392		26,415,453
(3 mo. LIBOR US + 1.510%)
3.69%, 06/05/28 (Call 06/05/27)^a,c		31,202		30,262,658
HSBC Bank USA N.A./New York NY
5.63%, 08/15/35^a		6,572		7,821,596
5.88%, 11/01/34^a		10,377		12,625,507
HSBC Holdings PLC
2.65%, 01/05/22^a		28,104		27,358,488
2.95%, 05/25/21^a		33,221		32,895,192


Security	Principal (000s)		Value
3.40%, 03/08/21^a	$	40,750	$	40,956,953
3.60%, 05/25/23^a		20,037		20,115,257
3.90%, 05/25/26^a		34,010		34,032,154
4.00%, 03/30/22^a		24,988		25,602,150
4.25%, 03/14/24^a		22,271		22,516,981
4.25%, 08/18/25^a		21,437		21,380,576
4.30%, 03/08/26^a		48,108		49,477,620
4.38%, 11/23/26^a		17,615		17,697,683
4.88%, 01/14/22^a		6,914		7,284,526
5.10%, 04/05/21^a		31,856		33,594,700
5.25%, 03/14/44^a		29,807		32,671,637
6.10%, 01/14/42		6,948		8,923,960
6.50%, 05/02/36^a		24,039		29,626,015
6.50%, 09/15/37^a		25,497		31,701,445
6.80%, 06/01/38^a		25,049		32,199,708
(3 mo. LIBOR US + 0.923%)
3.03%, 11/22/23 (Call 11/22/22)^a,c		11,968		11,718,555
(3 mo. LIBOR US + 1.055%)
3.26%, 03/13/23 (Call 03/13/22)^a,c		17,348		17,214,389
(3 mo. LIBOR US + 1.546%)
4.04%, 03/13/28 (Call 03/13/27)^a,c		6,735		6,750,443
HSBC USA Inc.
3.50%, 06/23/24^a		12,088		12,024,265
Huntington Bancshares Inc./OH
2.30%, 01/14/22 (Call 12/14/21)^a		7,028		6,770,077
3.15%, 03/14/21 (Call 02/14/21)^a		22,061		22,089,794
ING Groep NV
3.15%, 03/29/22^a		19,677		19,455,718
3.95%, 03/29/27^a		23,133		23,115,188
JPMorgan Chase & Co.
2.30%, 08/15/21 (Call 08/15/20)^a		25,875		25,183,993
2.40%, 06/07/21 (Call 05/07/21)^a		18,379		18,015,752
2.55%, 03/01/21 (Call 02/01/21)^a		33,665		33,224,860
2.70%, 05/18/23 (Call 03/18/23)^a		28,327		27,509,055


Security	Principal (000s)		Value
2.95%, 10/01/26 (Call 07/01/26)^a	$	46,123	$	43,384,479
2.97%, 01/15/23 (Call 01/15/22)^a		23,800		23,418,162
3.13%, 01/23/25 (Call 10/23/24)^a		33,278		32,307,946
3.20%, 01/25/23^a		30,673		30,533,778
3.20%, 06/15/26 (Call 03/15/26)		25,486		24,495,112
3.25%, 09/23/22^a		36,040		36,003,899
3.30%, 04/01/26 (Call 01/01/26)^a		33,991		32,911,871
3.38%, 05/01/23^a		26,835		26,647,877
3.63%, 05/13/24^a		25,631		25,736,830
3.63%, 12/01/27 (Call 12/01/26)^a		19,801		19,104,668
3.88%, 02/01/24^a		21,445		21,925,544
3.88%, 09/10/24^a		37,305		37,607,797
3.90%, 07/15/25 (Call 04/15/25)^a		35,446		35,981,819
4.13%, 12/15/26^a		27,005		27,325,798
4.25%, 10/01/27^a		18,694		19,059,511
4.35%, 08/15/21^a		36,977		38,428,595
4.50%, 01/24/22^a		44,200		46,261,705
4.63%, 05/10/21^a		23,087		24,194,082
4.85%, 02/01/44		10,791		11,866,539
4.95%, 06/01/45^a		15,154		16,329,729
5.40%, 01/06/42^a		19,179		22,578,679
5.50%, 10/15/40		8,425		10,014,133
5.60%, 07/15/41^a		23,332		28,116,658
5.63%, 08/16/43		14,520		16,897,527
6.40%, 05/15/38^a		31,304		40,769,966
(3 mo. LIBOR US + 0.935%)
2.78%, 04/25/23 (Call 04/25/22)^c		16,551		16,218,990
(3 mo. LIBOR US + 0.945%)
3.51%, 01/23/29 (Call 01/23/28)^c		11,022		10,677,127
(3 mo. LIBOR US + 1.155%)
3.22%, 03/01/25 (Call 03/01/24)^a,c		20,088		19,695,115
(3 mo. LIBOR US + 1.220%)
3.90%, 01/23/49 (Call 01/23/48)^a,c		20,396		19,252,141


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.337%)
3.78%, 02/01/28 (Call 02/01/27)^a,c	$	23,697	$	23,578,724
(3 mo. LIBOR US + 1.360%)
3.88%, 07/24/38 (Call 07/24/37)^a,c		35,357		34,223,274
(3 mo. LIBOR US + 1.380%)
3.54%, 05/01/28 (Call 05/01/27)^a,c		16,073		15,700,357
3.96%, 11/15/48 (Call 11/15/47)^a,c		21,983		20,990,125
(3 mo. LIBOR US + 1.460%)
4.03%, 07/24/48 (Call 07/24/47)^a,c		20,968		20,252,056
(3 mo. LIBOR US + 1.580%)
4.26%, 02/22/48 (Call 02/22/47)^a,c		23,961		23,918,853
KeyBank N.A./Cleveland OH
3.30%, 06/01/25^a		3,847		3,799,486
KeyCorp
5.10%, 03/24/21^a		2,640		2,796,521
Lloyds Banking Group PLC
3.00%, 01/11/22^a		15,323		15,079,631
3.10%, 07/06/21		7,921		7,864,663
3.57%, 11/07/28 (Call 11/07/27)^a		27,334		25,937,424
3.75%, 01/11/27^a		20,951		20,388,432
4.34%, 01/09/48^a		19,184		18,126,597
4.50%, 11/04/24^a		12,923		13,112,428
4.58%, 12/10/25		20,346		20,562,075
4.65%, 03/24/26^a		24,022		24,421,265
5.30%, 12/01/45^a		1,981		2,165,832
(3 mo. LIBOR US + 0.810%)
2.91%, 11/07/23 (Call 11/07/22)^a,c		28,330		27,396,640
Manufacturers & Traders Trust Co.
2.90%, 02/06/25 (Call 01/06/25)^a		1,422		1,373,241
Mitsubishi UFJ Financial Group Inc.
2.19%, 09/13/21		18,735		18,116,691
2.67%, 07/25/22^a		16,508		16,043,549
2.76%, 09/13/26^a		11,715		10,831,854


Security	Principal (000s)		Value
2.95%, 03/01/21^a	$	41,223	$	41,094,475
3.00%, 02/22/22^a		4,277		4,226,001
3.29%, 07/25/27^a		22,238		21,279,031
3.68%, 02/22/27^a		17,403		17,201,571
3.85%, 03/01/26^a		38,893		39,008,660
Mizuho Financial Group Inc.
2.27%, 09/13/21		16,025		15,487,352
2.60%, 09/11/22^a		15,480		14,910,986
2.84%, 09/13/26^a		9,023		8,375,527
2.95%, 02/28/22		19,471		19,139,495
3.17%, 09/11/27^a		19,770		18,693,873
Morgan Stanley
2.50%, 04/21/21^a		32,644		32,081,319
2.63%, 11/17/21^a		37,702		36,898,186
2.75%, 05/19/22^a		39,730		38,841,756
3.13%, 01/23/23		33,772		33,274,062
3.13%, 07/27/26		41,423		39,277,993
3.63%, 01/20/27		36,301		35,541,100
3.70%, 10/23/24^a		35,399		35,406,051
3.75%, 02/25/23^a		26,372		26,746,609
3.88%, 01/27/26^a		42,943		43,080,366
3.95%, 04/23/27^a		24,154		23,750,964
4.00%, 07/23/25^a		41,410		41,997,186
4.10%, 05/22/23^a		17,396		17,704,671
4.30%, 01/27/45^a		30,669		30,774,753
4.35%, 09/08/26		30,297		30,805,990
4.38%, 01/22/47^a		40,989		41,536,588
4.88%, 11/01/22^a		25,151		26,532,295
5.00%, 11/24/25^a		21,393		22,772,183
5.50%, 07/28/21^a		36,464		39,104,829
5.75%, 01/25/21^a		15,654		16,782,860
6.38%, 07/24/42^a		24,959		32,277,104
7.25%, 04/01/32^a		12,084		16,002,659
(3 mo. LIBOR US + 1.140%)
3.77%, 01/24/29 (Call 01/24/28)^a,c		38,249		37,444,539
(3 mo. LIBOR US + 1.340%)
3.59%, 07/22/28 (Call 07/22/27)^a,c		33,516		32,412,033
(3 mo. LIBOR US + 1.455%)
3.97%, 07/22/38 (Call 07/22/37)^a,c		8,891		8,643,160
Series F
3.88%, 04/29/24^a		36,284		36,684,877


Security	Principal (000s)		Value
National Australia Bank Ltd./New York
1.88%, 07/12/21	$	13,879	$	13,334,294
2.50%, 05/22/22		2,831		2,745,421
2.50%, 07/12/26^a		23,925		21,875,522
2.63%, 01/14/21		3,147		3,111,004
2.80%, 01/10/22		14,078		13,882,738
3.00%, 01/20/23		9,603		9,450,511
3.38%, 01/14/26		8,460		8,281,413
Northern Trust Corp.
3.95%, 10/30/25^a		20,638		21,188,250
PNC Bank N.A.
2.15%, 04/29/21 (Call 03/30/21)^d		14,331		13,953,359
2.45%, 07/28/22 (Call 06/28/22)^a,d		1,367		1,325,817
2.55%, 12/09/21 (Call 11/09/21)^a,d		11,815		11,571,759
2.63%, 02/17/22 (Call 01/18/22)^a,d		17,722		17,366,403
2.70%, 11/01/22 (Call 10/01/22)^d		21,889		21,260,576
2.95%, 01/30/23 (Call 12/30/22)^d		11,926		11,697,578
2.95%, 02/23/25 (Call 01/24/25)^d		13,200		12,746,573
3.10%, 10/25/27 (Call 09/25/27)^d		2,938		2,805,908
3.25%, 06/01/25 (Call 05/02/25)^d		18,440		18,083,479
3.80%, 07/25/23 (Call 06/25/23)^a,d		12,012		12,220,101
PNC Financial Services Group Inc. (The)
3.15%, 05/19/27 (Call 04/19/27)^d		3,494		3,356,304
3.30%, 03/08/22 (Call 02/06/22)^a,d		10,630		10,687,939
3.90%, 04/29/24 (Call 03/29/24)^d		7,596		7,729,985
Regions Financial Corp.
2.75%, 08/14/22 (Call 07/14/22)^a		15,289		14,924,256


Security	Principal (000s)		Value
Royal Bank of Canada
2.50%, 01/19/21^a	$	13,222	$	13,082,037
2.75%, 02/01/22^a		6,302		6,228,320
4.65%, 01/27/26^a		27,895		28,918,163
Royal Bank of Scotland Group PLC
3.88%, 09/12/23^a		40,882		40,605,760
4.80%, 04/05/26^a		22,482		23,242,505
(3 mo. LIBOR US + 1.480%)
3.50%, 05/15/23 (Call 05/15/22)^a,c		366		360,422
Santander Holdings USA Inc.
3.70%, 03/28/22 (Call 02/28/22)^b		23,538		23,524,899
4.40%, 07/13/27 (Call 06/13/27)^a,b		5,831		5,798,142
4.50%, 07/17/25 (Call 04/17/25)		3,804		3,858,587
Santander UK Group Holdings PLC
2.88%, 08/05/21		21,204		20,781,008
3.13%, 01/08/21		11,330		11,270,207
3.57%, 01/10/23 (Call 01/10/22)^a		23,531		23,329,603
(3 mo. LIBOR US + 1.400%)
3.82%, 11/03/28 (Call 11/03/27)^a,c		18,876		18,049,278
Santander UK PLC
4.00%, 03/13/24^a		9,950		10,127,797
Skandinaviska Enskilda Banken AB
1.88%, 09/13/21^a		15,964		15,242,414
2.63%, 03/15/21^a		14,953		14,746,614
State Street Corp.
1.95%, 05/19/21		3,605		3,491,836
2.65%, 05/19/26^a		7,831		7,313,222
3.10%, 05/15/23^a		6,306		6,207,361
3.30%, 12/16/24^a		18,011		17,949,862
3.55%, 08/18/25^a		12,943		12,979,200
3.70%, 11/20/23^a		9,692		9,947,238
4.38%, 03/07/21^a		4,556		4,743,555
Sumitomo Mitsui Banking Corp.
3.20%, 07/18/22^a		8,577		8,514,107


Security	Principal (000s)		Value
Sumitomo Mitsui Financial Group Inc.
2.06%, 07/14/21	$	19,100	$	18,441,273
2.44%, 10/19/21^a		17,640		17,182,362
2.63%, 07/14/26^a		30,794		28,206,032
2.78%, 07/12/22^a		27,022		26,371,780
2.78%, 10/18/22^a		15,993		15,549,089
2.85%, 01/11/22		13,028		12,806,217
2.93%, 03/09/21^a		18,174		18,101,924
3.01%, 10/19/26^a		19,905		18,743,653
3.10%, 01/17/23		750		739,580
3.35%, 10/18/27^a		10,571		10,166,606
3.36%, 07/12/27^a		26,029		25,087,221
3.45%, 01/11/27^a		17,535		17,047,320
3.54%, 01/17/28		14,695		14,338,327
3.78%, 03/09/26		15,289		15,263,788
SunTrust Bank/Atlanta GA
2.45%, 08/01/22 (Call 07/01/22)		2,361		2,286,111
3.30%, 05/15/26 (Call 04/15/26)		9,987		9,596,128
SunTrust Banks Inc.
2.70%, 01/27/22 (Call 12/27/21)		2,809		2,755,541
2.90%, 03/03/21 (Call 02/03/21)		11,898		11,846,248
Svenska Handelsbanken AB
1.88%, 09/07/21^a		9,924		9,500,327
2.45%, 03/30/21^a		23,732		23,257,229
Synchrony Bank
3.00%, 06/15/22 (Call 05/15/22)^a		17,303		16,897,712
Toronto-Dominion Bank (The)
1.80%, 07/13/21		10,911		10,499,472
2.13%, 04/07/21^a		25,285		24,653,730
2.50%, 12/14/20^a		5,488		5,433,912
U.S. Bancorp.
2.35%, 01/29/21 (Call 12/29/20)^a		6,368		6,275,693
2.63%, 01/24/22 (Call 12/23/21)^a		10,748		10,569,734
2.95%, 07/15/22 (Call 06/15/22)^a		12,275		12,140,579


Security	Principal (000s)		Value
3.00%, 03/15/22 (Call 02/15/22)^a	$	1,623	$	1,620,020
3.10%, 04/27/26 (Call 03/27/26)^a		7,864		7,501,867
3.70%, 01/30/24 (Call 12/29/23)^a		13,074		13,316,476
4.13%, 05/24/21 (Call 04/23/21)^a		3,109		3,221,876
Series F
3.60%, 09/11/24 (Call 08/11/24)^a		13,134		13,257,022
Series V
2.38%, 07/22/26 (Call 06/22/26)^a		24,999		22,745,210
Series X
3.15%, 04/27/27 (Call 03/27/27)^a		19,835		19,071,237
U.S. Bank N.A./Cincinnati OH
2.80%, 01/27/25 (Call 12/27/24)^a		14,698		14,102,296
2.85%, 01/23/23 (Call 12/23/22)^a		13,139		12,971,319
Wachovia Corp.
5.50%, 08/01/35^a		9,244		10,456,959
Wells Fargo & Co.
2.10%, 07/26/21^a		37,194		35,904,741
2.50%, 03/04/21^a		32,051		31,479,845
2.63%, 07/22/22^a		44,577		43,249,359
3.00%, 01/22/21^a		6,952		6,936,877
3.00%, 02/19/25^a		41,179		39,526,034
3.00%, 04/22/26		55,224		52,242,451
3.00%, 10/23/26^a		52,199		49,206,478
3.07%, 01/24/23 (Call 01/24/22)^a		47,687		47,045,948
3.30%, 09/09/24^a		25,814		25,429,356
3.50%, 03/08/22^a		29,471		29,667,707
3.55%, 09/29/25		38,003		37,652,696
3.90%, 05/01/45^a		13,661		13,148,327
4.10%, 06/03/26		24,888		24,926,835
4.13%, 08/15/23		14,706		15,044,316
4.30%, 07/22/27^a		27,368		27,775,583
4.40%, 06/14/46^a		11,824		11,627,472
4.60%, 04/01/21^a		33,389		34,840,153


Security	Principal (000s)		Value
4.65%, 11/04/44	$	30,098	$	30,663,298
4.75%, 12/07/46^a		34,622		35,812,768
4.90%, 11/17/45^a		21,485		22,719,745
5.38%, 02/07/35^a		10,780		12,595,310
5.38%, 11/02/43^a		32,692		36,632,125
5.61%, 01/15/44		22,778		26,294,960
(3 mo. LIBOR US + 1.310%)
3.58%, 05/22/28 (Call 05/22/27)^a,c		27,135		26,471,503
Series M
3.45%, 02/13/23^a		26,217		26,030,692
Wells Fargo Bank N.A.
5.85%, 02/01/37		11,165		13,577,966
6.60%, 01/15/38^a		14,951		19,716,823
Westpac Banking Corp.
2.00%, 08/19/21		19,992		19,325,679
2.10%, 05/13/21		15,497		15,044,957
2.50%, 06/28/22^a		4,389		4,256,553
2.60%, 11/23/20		19,802		19,604,265
2.70%, 08/19/26^a		18,413		17,062,707
2.80%, 01/11/22		14,899		14,717,219
2.85%, 05/13/26^a		24,072		22,631,077
3.35%, 03/08/27^a		14,349		13,910,446
3.40%, 01/25/28^a		17,097		16,587,773

				9,120,956,609
BEVERAGES — 3.40%
Anheuser-Busch InBev Finance Inc.
2.63%, 01/17/23^a		5,850		5,669,454
2.65%, 02/01/21 (Call 01/01/21)^a		89,340		88,542,623
3.30%, 02/01/23 (Call 12/01/22)^a		67,310		67,116,369
3.65%, 02/01/26 (Call 11/01/25)^a		143,396		141,886,298
3.70%, 02/01/24^a		4,066		4,127,445
4.00%, 01/17/43^a		9,856		9,255,503
4.63%, 02/01/44		6,200		6,374,598
4.70%, 02/01/36 (Call 08/01/35)^a		78,815		83,047,894
4.90%, 02/01/46 (Call 08/01/45)^a		145,832		155,337,356


Security	Principal (000s)		Value
Anheuser-Busch InBev Worldwide Inc.
2.50%, 07/15/22^a	$	33,489	$	32,547,996
3.75%, 01/15/22^a		36,848		37,628,061
3.75%, 07/15/42^a		14,762		13,363,548
4.44%, 10/06/48 (Call 04/06/48)^a		19,809		19,795,623
4.95%, 01/15/42		12,671		13,611,666
8.20%, 01/15/39		18,213		27,145,014
Coca-Cola Co. (The)
1.55%, 09/01/21^a		1,750		1,679,579
2.25%, 09/01/26^a		15,924		14,724,316
2.50%, 04/01/23^a		8,739		8,528,283
2.88%, 10/27/25^a		23,607		22,946,955
3.15%, 11/15/20		12,919		13,068,916
3.20%, 11/01/23^a		6,500		6,565,898
3.30%, 09/01/21		11,439		11,612,007
Constellation Brands Inc.
4.25%, 05/01/23^a		2,723		2,818,388
Diageo Capital PLC
2.63%, 04/29/23 (Call 01/29/23)		11,511		11,170,055
Diageo Investment Corp.
2.88%, 05/11/22^a		14,774		14,654,604
Molson Coors Brewing Co.
2.10%, 07/15/21 (Call 06/15/21)		15,785		15,226,831
3.00%, 07/15/26 (Call 04/15/26)^a		25,187		23,513,576
4.20%, 07/15/46 (Call 01/15/46)^a		31,765		29,757,357
5.00%, 05/01/42^a		6,561		6,920,385
Pepsi-Cola Metropolitan Bottling Co. Inc.
Series B
7.00%, 03/01/29^a		12,522		16,411,000
PepsiCo Inc.
1.70%, 10/06/21 (Call 09/06/21)		2,254		2,160,589
2.25%, 05/02/22 (Call 04/02/22)^a		12,497		12,153,980
2.38%, 10/06/26 (Call 07/06/26)^a		8,487		7,800,024
2.75%, 03/05/22^a		17,072		16,905,133


Security	Principal (000s)		Value
2.75%, 03/01/23^a	$	19,119	$	18,906,292
2.75%, 04/30/25 (Call 01/30/25)^a		13,868		13,329,727
2.85%, 02/24/26 (Call 11/24/25)^a		10,452		10,015,078
3.00%, 08/25/21^a		2,804		2,814,253
3.00%, 10/15/27 (Call 07/15/27)^a		16,598		15,944,772
3.10%, 07/17/22 (Call 05/17/22)		5,391		5,413,125
3.13%, 11/01/20^a		3,758		3,795,370
3.45%, 10/06/46 (Call 04/06/46)^a		19,872		18,099,712
3.60%, 03/01/24 (Call 12/01/23)^a		9,981		10,170,452
4.00%, 03/05/42^a		5,638		5,662,267
4.00%, 05/02/47 (Call 11/02/46)^a		9,435		9,438,256
4.45%, 04/14/46 (Call 10/14/45)^a		23,363		25,005,403
4.88%, 11/01/40^a		11,640		13,200,446
5.50%, 01/15/40^a		12,838		15,762,245

				1,111,624,722
BIOTECHNOLOGY — 2.36%
Amgen Inc.
1.85%, 08/19/21 (Call 07/19/21)^a		1,646		1,579,331
2.25%, 08/19/23 (Call 06/19/23)^a		9,399		8,868,706
2.60%, 08/19/26 (Call 05/19/26)^a		22,452		20,531,840
2.65%, 05/11/22 (Call 04/11/22)^a		20,130		19,660,808
3.13%, 05/01/25 (Call 02/01/25)		18,162		17,556,755
3.63%, 05/15/22 (Call 02/15/22)^a		13,631		13,806,695
3.63%, 05/22/24 (Call 02/22/24)^a		18,524		18,621,503
3.88%, 11/15/21 (Call 08/15/21)^a		9,116		9,334,831
4.10%, 06/15/21 (Call 03/15/21)^a		27,971		28,849,130


Security	Principal (000s)		Value
4.40%, 05/01/45 (Call 11/01/44)^a	$	19,188	$	18,953,145
4.56%, 06/15/48 (Call 12/15/47)		16,091		16,162,373
4.66%, 06/15/51 (Call 12/15/50)^a		45,933		46,395,086
5.15%, 11/15/41 (Call 05/15/41)^a		12,206		13,641,722
Baxalta Inc.
4.00%, 06/23/25 (Call 03/23/25)		21,183		21,095,124
5.25%, 06/23/45 (Call 12/23/44)^a		10,035		10,832,314
Biogen Inc.
3.63%, 09/15/22^a		15,652		15,858,581
4.05%, 09/15/25 (Call 06/15/25)^a		23,877		24,427,009
5.20%, 09/15/45 (Call 03/15/45)		19,796		21,547,863
Celgene Corp.
2.75%, 02/15/23 (Call 01/15/23)^a		5,117		4,953,143
3.25%, 08/15/22^a		14,037		13,938,314
3.25%, 02/20/23 (Call 01/20/23)		10,000		9,905,194
3.45%, 11/15/27 (Call 08/15/27)^a		13,724		13,037,615
3.55%, 08/15/22^a		12,869		12,932,636
3.63%, 05/15/24 (Call 02/15/24)^a		12,238		12,155,214
3.88%, 08/15/25 (Call 05/15/25)^a		32,563		32,475,741
3.90%, 02/20/28 (Call 11/20/27)		10,000		9,836,344
4.35%, 11/15/47 (Call 05/15/47)^a		15,435		14,558,030
4.55%, 02/20/48 (Call 08/20/47)		10,000		9,721,357
4.63%, 05/15/44 (Call 11/15/43)^a		14,088		13,860,872
5.00%, 08/15/45 (Call 02/15/45)		24,741		25,601,398
Gilead Sciences Inc.
2.50%, 09/01/23 (Call 07/01/23)^a		1,451		1,390,553


Security	Principal (000s)		Value
2.95%, 03/01/27 (Call 12/01/26)^a	$	20,779	$	19,576,253
3.25%, 09/01/22 (Call 07/01/22)^a		3,556		3,564,353
3.50%, 02/01/25 (Call 11/01/24)^a		24,921		24,822,450
3.65%, 03/01/26 (Call 12/01/25)^a		36,180		36,133,773
3.70%, 04/01/24 (Call 01/01/24)^a		27,655		28,082,773
4.00%, 09/01/36 (Call 03/01/36)^a		13,174		13,005,570
4.15%, 03/01/47 (Call 09/01/46)^a		21,039		20,350,520
4.40%, 12/01/21 (Call 09/01/21)^a		7,486		7,830,620
4.50%, 04/01/21 (Call 01/01/21)^a		7,032		7,335,732
4.50%, 02/01/45 (Call 08/01/44)		23,935		24,402,819
4.60%, 09/01/35 (Call 03/01/35)^a		15,505		16,436,644
4.75%, 03/01/46 (Call 09/01/45)		26,216		27,679,582
4.80%, 04/01/44 (Call 10/01/43)		21,868		23,167,569
5.65%, 12/01/41 (Call 06/01/41)		12,811		15,057,034

				769,534,919
CHEMICALS — 1.08%
Dow Chemical Co. (The)
3.00%, 11/15/22 (Call 08/15/22)^a		13,235		13,035,333
3.50%, 10/01/24 (Call 07/01/24)^a		17,266		17,220,133
4.13%, 11/15/21 (Call 08/15/21)^a		3,112		3,214,896
4.25%, 11/15/20 (Call 08/15/20)^a		10,888		11,212,553
4.38%, 11/15/42 (Call 05/15/42)^a		13,858		13,853,071
5.25%, 11/15/41 (Call 05/15/41)		10,804		11,905,217


Security	Principal (000s)		Value
7.38%, 11/01/29^a	$	7,774	$	10,109,276
9.40%, 05/15/39		10,193		16,452,810
Eastman Chemical Co.
3.60%, 08/15/22 (Call 05/15/22)^a		6,779		6,852,092
3.80%, 03/15/25 (Call 12/15/24)^a		645		655,102
4.65%, 10/15/44 (Call 04/15/44)^a		9,954		10,312,809
EI du Pont de Nemours & Co.
2.80%, 02/15/23^a		15,465		15,198,221
3.63%, 01/15/21^a		9,218		9,409,765
4.15%, 02/15/43^a		8,367		8,229,722
LYB International Finance BV
4.00%, 07/15/23^a		11,135		11,356,598
4.88%, 03/15/44 (Call 09/15/43)		13,177		13,811,437
5.25%, 07/15/43^a		9,691		10,686,236
LYB International Finance II BV
3.50%, 03/02/27 (Call 12/02/26)^a		15,833		15,383,477
LyondellBasell Industries NV
4.63%, 02/26/55 (Call 08/26/54)^a		8,054		7,872,642
5.75%, 04/15/24 (Call 01/15/24)		15,216		16,849,327
6.00%, 11/15/21 (Call 08/17/21)		8,921		9,696,762
Monsanto Co.
3.38%, 07/15/24 (Call 04/15/24)^a		11,674		11,546,138
4.40%, 07/15/44 (Call 01/15/44)^a		9,724		9,604,908
4.70%, 07/15/64 (Call 01/15/64)		10,714		10,671,058
Mosaic Co. (The)
4.25%, 11/15/23 (Call 08/15/23)^a		8,613		8,839,721
Potash Corp. of Saskatchewan Inc.
3.63%, 03/15/24 (Call 12/15/23)		8,081		8,090,877
Rohm & Haas Co.
7.85%, 07/15/29^a		10,122		13,559,771


Security	Principal (000s)		Value
Sherwin-Williams Co. (The)
2.75%, 06/01/22 (Call 05/01/22)^a	$	17,831	$	17,378,802
3.45%, 06/01/27 (Call 03/01/27)^a		22,167		21,350,603
4.50%, 06/01/47 (Call 12/01/46)^a		12,921		12,881,918
Westlake Chemical Corp.
3.60%, 08/15/26 (Call 05/15/26)		6,290		6,118,628

				353,359,903
COMMERCIAL SERVICES — 0.18%
Automatic Data Processing Inc.
3.38%, 09/15/25 (Call 06/15/25)		13,646		13,686,942
Ecolab Inc.
2.70%, 11/01/26 (Call 08/01/26)^a		13,567		12,597,018
3.95%, 12/01/47 (Call 06/01/47)^b		596		569,162
4.35%, 12/08/21		5,538		5,784,304
5.50%, 12/08/41		703		830,348
S&P Global Inc.
4.40%, 02/15/26 (Call 11/15/25)		11,711		12,330,813
Total System Services Inc.
3.80%, 04/01/21 (Call 03/01/21)^a		5,997		6,072,897
4.80%, 04/01/26 (Call 01/01/26)^a		7,694		8,093,361

				59,964,845
COMPUTERS — 3.87%
Apple Inc.
1.55%, 08/04/21 (Call 07/04/21)		16,686		15,976,104
2.10%, 09/12/22 (Call 08/12/22)		4,337		4,165,835
2.15%, 02/09/22^a		8,788		8,530,171
2.25%, 02/23/21 (Call 01/23/21)		24,322		23,951,072
2.30%, 05/11/22 (Call 04/11/22)		15,039		14,631,678
2.40%, 01/13/23 (Call 12/13/22)^a		8,461		8,203,611


Security	Principal (000s)		Value
2.40%, 05/03/23^a	$	64,649	$	62,523,871
2.45%, 08/04/26 (Call 05/04/26)^a		45,623		42,186,270
2.50%, 02/09/22 (Call 01/09/22)^a		13,774		13,543,974
2.50%, 02/09/25^a		21,343		20,169,314
2.70%, 05/13/22^a		10,498		10,378,008
2.75%, 01/13/25 (Call 11/13/24)		17,478		16,790,756
2.85%, 05/06/21^a		36,900		36,932,970
2.85%, 02/23/23 (Call 12/23/22)^a		13,346		13,201,208
2.85%, 05/11/24 (Call 03/11/24)^a		23,698		23,116,212
2.90%, 09/12/27 (Call 06/12/27)^a		24,073		22,789,960
3.00%, 02/09/24 (Call 12/09/23)^a		22,126		21,793,411
3.00%, 06/20/27 (Call 03/20/27)^a		12,967		12,406,049
3.00%, 11/13/27 (Call 08/13/27)^a		17,745		16,950,196
3.20%, 05/13/25^a		17,221		16,981,186
3.20%, 05/11/27 (Call 02/11/27)		34,141		33,198,169
3.25%, 02/23/26 (Call 11/23/25)^a		34,407		33,846,145
3.35%, 02/09/27 (Call 11/09/26)		34,317		33,803,858
3.45%, 05/06/24^a		34,302		34,555,567
3.45%, 02/09/45^a		24,282		22,076,706
3.75%, 09/12/47 (Call 03/12/47)^a		12,821		12,202,651
3.75%, 11/13/47 (Call 05/13/47)^a		18,417		17,561,494
3.85%, 05/04/43^a		38,578		37,574,640
3.85%, 08/04/46 (Call 02/04/46)^a		26,469		25,611,632
4.25%, 02/09/47 (Call 08/09/46)		15,892		16,361,648
4.38%, 05/13/45		27,939		29,296,749
4.45%, 05/06/44^a		8,806		9,333,550
4.50%, 02/23/36 (Call 08/23/35)^a		14,498		15,743,941


Security	Principal (000s)		Value
4.65%, 02/23/46 (Call 08/23/45)	$	41,906	$	45,632,713
Dell International LLC/EMC Corp.
4.42%, 06/15/21 (Call 05/15/21)^a,b		47,485		48,503,473
5.45%, 06/15/23 (Call 04/15/23)^a,b		45,275		47,784,140
6.02%, 06/15/26 (Call 03/15/26)^a,b		50,393		53,765,451
8.10%, 07/15/36 (Call 01/15/36)^b		21,880		26,828,267
8.35%, 07/15/46 (Call 01/15/46)^a,b		27,254		34,511,064
Hewlett Packard Enterprise Co.
4.40%, 10/15/22 (Call 08/15/22)^a		17,138		17,796,351
4.90%, 10/15/25 (Call 07/15/25)^a		31,884		32,999,959
6.20%, 10/15/35 (Call 04/15/35)^a		11,745		12,476,799
6.35%, 10/15/45 (Call 04/15/45)^a		11,153		11,698,510
HP Inc.
4.30%, 06/01/21		14,222		14,698,002
4.38%, 09/15/21^a		13,490		13,978,061
4.65%, 12/09/21^a		21,209		22,226,302
6.00%, 09/15/41^a		14,792		15,698,689
International Business Machines Corp.
1.88%, 08/01/22		12,697		12,057,116
2.25%, 02/19/21^a		10,611		10,425,409
2.50%, 01/27/22^a		10,366		10,166,238
2.88%, 11/09/22^a		9,415		9,289,055
3.30%, 01/27/27^a		1,282		1,264,848
3.38%, 08/01/23^a		11,816		11,901,613
3.45%, 02/19/26^a		21,024		21,072,301
3.63%, 02/12/24^a		20,146		20,471,894
4.00%, 06/20/42^a		14,480		14,560,145
4.70%, 02/19/46^a		1,372		1,538,873
Seagate HDD Cayman
4.25%, 03/01/22 (Call 02/01/22)^a,b		15,222		15,063,996
4.75%, 06/01/23^a		4,209		4,220,274
4.75%, 01/01/25^a		6,645		6,436,495

				1,263,454,644


Security	Principal (000s)		Value
COSMETICS & PERSONAL CARE — 0.37%
Procter & Gamble Co. (The)
1.70%, 11/03/21^a	$	3,685	$	3,542,123
2.15%, 08/11/22^a		6,313		6,113,493
2.30%, 02/06/22		4,079		3,987,457
2.45%, 11/03/26^a		13,177		12,214,074
2.85%, 08/11/27^a		11,588		11,027,480
3.10%, 08/15/23^a		14,846		14,891,401
5.55%, 03/05/37		15,962		20,062,820
Unilever Capital Corp.
2.20%, 05/05/22 (Call 04/05/22)^a		11,512		11,168,466
2.90%, 05/05/27 (Call 02/05/27)^a		14,716		14,014,828
4.25%, 02/10/21		7,973		8,300,051
5.90%, 11/15/32^a		11,429		14,282,281

				119,604,474
DIVERSIFIED FINANCIAL SERVICES — 2.43%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
3.65%, 07/21/27 (Call 04/21/27)^a		21,690		20,420,309
3.95%, 02/01/22 (Call 01/01/22)^a		8,584		8,673,603
4.50%, 05/15/21		12,680		13,079,081
5.00%, 10/01/21^a		4,043		4,233,752
Air Lease Corp.
3.00%, 09/15/23 (Call 07/15/23)^a		10,990		10,656,816
American Express Co.
2.50%, 08/01/22 (Call 07/01/22)		18,058		17,455,153
2.65%, 12/02/22^a		19,015		18,483,101
3.00%, 10/30/24 (Call 09/29/24)^a		27,064		26,053,612
3.40%, 02/27/23 (Call 01/27/23)		15,000		14,982,892
4.05%, 12/03/42		12,631		12,501,242
American Express Credit Corp.
2.25%, 05/05/21 (Call 04/04/21)^a		4,808		4,689,522
2.70%, 03/03/22 (Call 01/31/22)^a		23,293		22,856,340


Security	Principal (000s)		Value
3.30%, 05/03/27 (Call 04/03/27)^a	$	21,035	$	20,376,954
Ameriprise Financial Inc.
4.00%, 10/15/23^a		9,743		10,071,970
Brookfield Finance Inc.
4.70%, 09/20/47 (Call 03/20/47)		11,555		11,285,945
Capital One Bank USA N.A.
3.38%, 02/15/23^a		12,907		12,739,674
CME Group Inc.
3.00%, 09/15/22^a		4,289		4,269,120
3.00%, 03/15/25 (Call 12/15/24)^a		9,732		9,484,530
5.30%, 09/15/43 (Call 03/15/43)^a		8,246		9,935,975
Discover Financial Services
4.10%, 02/09/27 (Call 11/09/26)^a		14,408		14,236,659
GE Capital International Funding Co. Unlimited Co.
3.37%, 11/15/25^a		22,842		21,948,734
4.42%, 11/15/35^a		150,983		148,015,474
Intercontinental Exchange Inc.
2.75%, 12/01/20 (Call 11/01/20)		1,408		1,403,271
3.75%, 12/01/25 (Call 09/01/25)^a		20,186		20,489,531
4.00%, 10/15/23^a		10,830		11,218,037
International Lease Finance Corp.
5.88%, 08/15/22^a		13,814		15,060,468
8.25%, 12/15/20^a		1,540		1,732,284
Jefferies Group LLC
6.88%, 04/15/21		6,814		7,493,878
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.15%, 01/23/30		16,866		16,002,699
4.85%, 01/15/27		8,030		8,285,355
Mastercard Inc.
2.95%, 11/21/26 (Call 08/21/26)^a		12,721		12,233,160
3.38%, 04/01/24		13,924		13,950,861
Synchrony Financial
3.70%, 08/04/26 (Call 05/04/26)^a		329		313,841


Security	Principal (000s)		Value
3.75%, 08/15/21 (Call 06/15/21)^a	$	9,957	$	10,082,309
4.25%, 08/15/24 (Call 05/15/24)^a		25,195		25,379,906
4.50%, 07/23/25 (Call 04/24/25)^a		15,569		15,786,354
TD Ameritrade Holding Corp.
2.95%, 04/01/22 (Call 02/01/22)^a		1,940		1,924,964
3.30%, 04/01/27 (Call 01/01/27)^a		20,200		19,665,534
Visa Inc.
2.15%, 09/15/22 (Call 08/15/22)^a		10,690		10,280,958
2.75%, 09/15/27 (Call 06/15/27)^a		13,408		12,617,605
2.80%, 12/14/22 (Call 10/14/22)^a		24,169		23,852,850
3.15%, 12/14/25 (Call 09/14/25)^a		51,711		50,695,644
3.65%, 09/15/47 (Call 03/15/47)^a		11,405		10,895,352
4.15%, 12/14/35 (Call 06/14/35)^a		23,283		24,462,067
4.30%, 12/14/45 (Call 06/14/45)^a		40,498		43,042,218

				793,319,604
ELECTRIC — 1.92%
Berkshire Hathaway Energy Co.
3.80%, 07/15/48 (Call 01/15/48)^a,b		5,969		5,644,668
4.50%, 02/01/45 (Call 08/01/44)^a		11,451		12,078,074
5.15%, 11/15/43 (Call 05/15/43)^a		7,892		9,099,447
6.13%, 04/01/36		24,352		31,018,233
Consolidated Edison Co. of New York Inc.
4.45%, 03/15/44 (Call 09/15/43)^a		10,750		11,441,436
4.63%, 12/01/54 (Call 06/01/54)^a		9,932		10,658,031


Security	Principal (000s)		Value
Dominion Energy Inc.
3.90%, 10/01/25 (Call 07/01/25)	$	8,953	$	9,037,199
Duke Energy Carolinas LLC
3.88%, 03/15/46 (Call 09/15/45)		597		585,933
5.30%, 02/15/40^a		5,227		6,236,709
Duke Energy Corp.
1.80%, 09/01/21 (Call 08/01/21)		3,873		3,705,638
2.65%, 09/01/26 (Call 06/01/26)		24,011		22,000,280
3.15%, 08/15/27 (Call 05/15/27)		2,669		2,524,431
3.75%, 04/15/24 (Call 01/15/24)^a		15,062		15,252,454
3.75%, 09/01/46 (Call 03/01/46)^a		29,813		27,253,664
Duke Energy Florida LLC
6.40%, 06/15/38^a		12,250		16,283,219
Emera U.S. Finance LP
2.70%, 06/15/21 (Call 05/15/21)		17,677		17,373,771
3.55%, 06/15/26 (Call 03/15/26)		14,153		13,587,275
4.75%, 06/15/46 (Call 12/15/45)		13,974		14,031,847
Entergy Corp.
2.95%, 09/01/26 (Call 06/01/26)		1,684		1,582,207
Exelon Corp.
3.40%, 04/15/26 (Call 01/15/26)^a		12,627		12,270,762
3.50%, 06/01/22 (Call 05/01/22)		14,492		14,457,889
3.95%, 06/15/25 (Call 03/15/25)		9,118		9,194,365
4.45%, 04/15/46 (Call 10/15/45)^a		1,961		1,990,548
5.10%, 06/15/45 (Call 12/15/44)^a		1,784		1,982,313
Exelon Generation Co. LLC
5.60%, 06/15/42 (Call 12/15/41)^a		16,282		17,032,087


Security	Principal (000s)		Value
6.25%, 10/01/39 ^a	$	9,862	$	11,043,085
FirstEnergy Corp.
Series B
3.90%, 07/15/27 (Call 04/15/27)		12,129		11,995,718
4.25%, 03/15/23 (Call 12/15/22)		14,108		14,496,012
Series C
4.85%, 07/15/47 (Call 01/15/47)^a		11,306		11,854,263
7.38%, 11/15/31		18,963		24,879,456
Fortis Inc./Canada
3.06%, 10/04/26 (Call 07/04/26)		24,785		23,023,411
Georgia Power Co.
4.30%, 03/15/42^a		15,390		15,719,331
NextEra Energy Capital Holdings Inc.
3.55%, 05/01/27 (Call 02/01/27)^a		14,317		14,013,324
Oncor Electric Delivery Co. LLC
7.00%, 09/01/22		9,945		11,469,645
Pacific Gas & Electric Co.
3.30%, 12/01/27 (Call 09/01/27)^a,b		9,990		9,414,287
3.95%, 12/01/47 (Call 06/01/47)^a,b		9,990		9,011,071
5.40%, 01/15/40^a		8,954		9,971,683
5.80%, 03/01/37^a		11,407		13,199,137
6.05%, 03/01/34^a		40,167		47,139,622
Southern California Edison Co.
4.00%, 04/01/47 (Call 10/01/46)		7,240		7,211,763
4.65%, 10/01/43 (Call 04/01/43)^a		10,243		11,110,096
Southern Co. (The)
2.35%, 07/01/21 (Call 06/01/21)		16,971		16,493,406
2.95%, 07/01/23 (Call 05/01/23)^a		15,883		15,401,300
3.25%, 07/01/26 (Call 04/01/26)^a		27,016		25,693,180
4.40%, 07/01/46 (Call 01/01/46)^a		25,256		25,266,565


Security	Principal (000s)		Value
Virginia Electric & Power Co.
Series A
3.15%, 01/15/26 (Call 10/15/25)	$	7,385	$	7,183,860
3.50%, 03/15/27 (Call 12/15/26)^a		4,605		4,567,881

				626,480,576
ELECTRONICS — 0.25%
Fortive Corp.
2.35%, 06/15/21 (Call 05/15/21)		4,071		3,966,103
3.15%, 06/15/26 (Call 03/15/26)^a		13,707		13,279,269
Honeywell International Inc.
1.85%, 11/01/21 (Call 10/01/21)^a		20,114		19,424,148
2.50%, 11/01/26 (Call 08/01/26)^a		13,945		12,878,823
4.25%, 03/01/21^a		8,957		9,310,192
Koninklijke Philips NV
3.75%, 03/15/22		22,459		22,892,991
6.88%, 03/11/38^a		47		61,827

				81,813,353
ENGINEERING & CONSTRUCTION — 0.07%
ABB Finance USA Inc.
2.88%, 05/08/22^a		19,527		19,413,363
4.38%, 05/08/42		4,344		4,477,270

				23,890,633
ENVIRONMENTAL CONTROL — 0.09%
Republic Services Inc.
3.55%, 06/01/22 (Call 03/01/22)^a		10,117		10,210,915
Waste Management Inc.
3.15%, 11/15/27 (Call 08/15/27)^a		13,499		12,912,426
4.10%, 03/01/45 (Call 09/01/44)		5,649		5,598,953

				28,722,294
FOOD — 1.18%
General Mills Inc.
3.15%, 12/15/21 (Call 09/15/21)^a		19,472		19,474,450


Security	Principal (000s)		Value
3.20%, 02/10/27 (Call 11/10/26)^a	$	4,955	$	4,721,668
JM Smucker Co. (The)
3.50%, 10/15/21^a		5,575		5,658,065
3.50%, 03/15/25^a		19,293		19,152,966
Kellogg Co.
3.25%, 04/01/26		10,551		10,056,113
Series B
7.45%, 04/01/31^a		1,188		1,536,150
Kraft Heinz Foods Co.
3.00%, 06/01/26 (Call 03/01/26)^a		25,279		23,243,181
3.50%, 06/06/22 ^a		21,432		21,457,663
3.50%, 07/15/22 (Call 05/15/22)^a		10,733		10,724,844
3.95%, 07/15/25 (Call 04/15/25)^a		26,556		26,300,072
4.38%, 06/01/46 (Call 12/01/45)^a		30,921		28,258,609
5.00%, 07/15/35 (Call 01/15/35)^a		16,564		17,114,014
5.00%, 06/04/42^a		26,034		25,883,201
5.20%, 07/15/45 (Call 01/15/45)^a		24,088		24,543,680
6.50%, 02/09/40^a		12,862		15,247,125
6.88%, 01/26/39		10,468		12,864,692
Kroger Co. (The)
2.65%, 10/15/26 (Call 07/15/26)^a		15,594		14,073,930
4.45%, 02/01/47 (Call 08/01/46)^a		11,283		10,614,473
McCormick & Co. Inc./MD
2.70%, 08/15/22 (Call 07/15/22)^a		9,412		9,206,237
3.40%, 08/15/27 (Call 05/15/27)^a		1,007		978,378
Sysco Corp.
3.25%, 07/15/27 (Call 04/15/27)^a		4,600		4,432,782
3.30%, 07/15/26 (Call 04/15/26)		14,905		14,502,195
3.75%, 10/01/25 (Call 07/01/25)^a		7,618		7,703,536
Tyson Foods Inc.
3.55%, 06/02/27 (Call 03/02/27)^a		16,610		16,164,292


Security	Principal (000s)		Value
3.95%, 08/15/24 (Call 05/15/24)	$	13,574	$	13,776,007
4.50%, 06/15/22 (Call 03/15/22)^a		16,331		17,057,829
4.55%, 06/02/47 (Call 12/02/46)^a		10,354		10,463,963

				385,210,115
FOREST PRODUCTS & PAPER — 0.22%
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)		13,483		12,563,617
3.65%, 06/15/24 (Call 03/15/24)^a		13,946		14,039,098
4.35%, 08/15/48 (Call 02/15/48)^a		8,603		8,392,868
4.40%, 08/15/47 (Call 02/15/47)^a		16,304		16,012,915
4.75%, 02/15/22 (Call 11/15/21)		7,831		8,243,943
4.80%, 06/15/44 (Call 12/15/43)^a		10,695		11,137,975
7.30%, 11/15/39^a		1,042		1,392,925

				71,783,341
GAS — 0.28%
NiSource Inc.
3.49%, 05/15/27 (Call 02/15/27)^a		6,218		6,080,210
3.95%, 03/30/48 (Call 09/30/47)		3,092		2,924,585
4.38%, 05/15/47 (Call 11/15/46)^a		23,791		24,130,133
4.80%, 02/15/44 (Call 08/15/43)^a		7,828		8,389,419
Sempra Energy
2.90%, 02/01/23 (Call 01/01/23)		1,385		1,354,250
3.25%, 06/15/27 (Call 03/15/27)^a		12,163		11,610,440
3.40%, 02/01/28 (Call 10/01/27)		14,747		14,102,841
4.00%, 02/01/48 (Call 08/01/47)		10,352		9,695,239
6.00%, 10/15/39		10,615		12,930,916

				91,218,033


Security	Principal (000s)		Value
HEALTH CARE – PRODUCTS — 2.16%
Abbott Laboratories
2.55%, 03/15/22^a	$	2,411	$	2,348,797
2.90%, 11/30/21 (Call 10/30/21)^a		36,407		36,126,404
2.95%, 03/15/25 (Call 12/15/24)^a		16,499		15,667,652
3.25%, 04/15/23 (Call 01/15/23)		11,536		11,457,444
3.40%, 11/30/23 (Call 09/30/23)		17,560		17,507,483
3.75%, 11/30/26 (Call 08/30/26)^a		43,894		43,487,814
4.75%, 11/30/36 (Call 05/30/36)		13,802		14,736,451
4.90%, 11/30/46 (Call 05/30/46)^a		39,226		42,316,252
Becton Dickinson and Co.
2.89%, 06/06/22 (Call 05/06/22)^a		18,743		18,233,320
3.13%, 11/08/21^a		11,883		11,739,103
3.36%, 06/06/24 (Call 04/06/24)^a		23,228		22,435,821
3.70%, 06/06/27 (Call 03/06/27)^a		28,218		27,048,240
3.73%, 12/15/24 (Call 09/15/24)^a		18,261		18,003,797
4.67%, 06/06/47 (Call 12/06/46)^a		18,664		18,569,103
4.69%, 12/15/44 (Call 06/15/44)^a		13,479		13,471,243
Boston Scientific Corp.
3.85%, 05/15/25		9,061		9,080,752
4.00%, 03/01/28 (Call 12/01/27)		5,000		4,981,194
Medtronic Global Holdings SCA
3.35%, 04/01/27 (Call 01/01/27)		7,591		7,479,143
Medtronic Inc.
3.15%, 03/15/22^a		23,301		23,342,462
3.50%, 03/15/25		43,746		43,679,545
3.63%, 03/15/24 (Call 12/15/23)^a		14,626		14,850,965


Security	Principal (000s)		Value
4.38%, 03/15/35^a	$	31,147	$	32,850,028
4.63%, 03/15/45^a		56,927		62,065,578
Stryker Corp.
2.63%, 03/15/21 (Call 02/15/21)		6,610		6,534,754
3.38%, 11/01/25 (Call 08/01/25)		11,944		11,796,830
3.50%, 03/15/26 (Call 12/15/25)^a		13,388		13,309,106
4.63%, 03/15/46 (Call 09/15/45)		12,135		12,842,094
Thermo Fisher Scientific Inc.
2.95%, 09/19/26 (Call 06/19/26)^a		17,001		15,916,941
3.00%, 04/15/23 (Call 02/15/23)^a		16,153		15,866,651
3.15%, 01/15/23 (Call 10/15/22)^a		12,732		12,590,437
3.20%, 08/15/27 (Call 05/15/27)		6,801		6,453,074
3.30%, 02/15/22^a		11,463		11,479,126
3.60%, 08/15/21 (Call 05/15/21)^a		13,306		13,518,638
4.10%, 08/15/47 (Call 02/15/47)^a		7,311		7,010,147
4.15%, 02/01/24 (Call 11/01/23)^a		16,715		17,210,050
4.50%, 03/01/21^a		10,765		11,220,602
Zimmer Biomet Holdings Inc.
3.15%, 04/01/22 (Call 02/01/22)^a		10,427		10,271,267
3.55%, 04/01/25 (Call 01/01/25)^a		28,708		27,821,615

				705,319,923
HEALTH CARE – SERVICES — 1.43%
Aetna Inc.
2.75%, 11/15/22 (Call 08/15/22)^a		10,933		10,584,091
2.80%, 06/15/23 (Call 04/15/23)		18,436		17,683,205
3.50%, 11/15/24 (Call 08/15/24)		10,991		10,762,963


Security	Principal (000s)		Value
3.88%, 08/15/47 (Call 02/15/47)^a	$	8,964	$	7,965,417
6.63%, 06/15/36		9,006		11,254,106
Anthem Inc.
2.95%, 12/01/22 (Call 11/01/22)^a		7,337		7,170,002
3.13%, 05/15/22^a		14,504		14,352,935
3.30%, 01/15/23^a		10,272		10,181,770
3.35%, 12/01/24 (Call 10/01/24)		5,210		5,088,991
3.50%, 08/15/24 (Call 05/15/24)^a		14,295		14,164,271
3.65%, 12/01/27 (Call 09/01/27)^a		15,044		14,578,320
4.38%, 12/01/47 (Call 06/01/47)^a		15,214		14,872,262
4.63%, 05/15/42^a		13,340		13,527,756
4.65%, 01/15/43^a		10,916		11,097,071
4.65%, 08/15/44 (Call 02/15/44)^a		8,656		8,801,259
5.85%, 01/15/36		553		644,444
Cigna Corp.
3.05%, 10/15/27 (Call 07/15/27)		1,407		1,295,299
3.25%, 04/15/25 (Call 01/15/25)		2,915		2,800,235
3.88%, 10/15/47 (Call 04/15/47)		18,702		16,612,435
4.00%, 02/15/22 (Call 11/15/21)^a		3,946		4,045,988
Humana Inc.
4.95%, 10/01/44 (Call 04/01/44)		8,899		9,400,530
Kaiser Foundation Hospitals
4.15%, 05/01/47 (Call 11/01/46)^a		2,284		2,349,421
Laboratory Corp. of America Holdings
3.60%, 02/01/25 (Call 11/01/24)^a		19,065		18,786,763
4.70%, 02/01/45 (Call 08/01/44)^a		11,030		11,047,070
UnitedHealth Group Inc.
2.13%, 03/15/21^a		9,713		9,517,037


Security	Principal (000s)		Value
2.38%, 10/15/22	$	14,783	$	14,270,550
2.88%, 12/15/21^a		9,441		9,397,105
2.88%, 03/15/22 (Call 12/15/21)^a		14,576		14,463,727
2.88%, 03/15/23^a		9,984		9,796,332
2.95%, 10/15/27^a		10,397		9,874,269
3.10%, 03/15/26^a		16,633		16,108,946
3.35%, 07/15/22^a		7,964		8,037,926
3.38%, 04/15/27^a		1,620		1,592,571
3.45%, 01/15/27^a		19,654		19,471,188
3.75%, 07/15/25^a		26,938		27,298,013
3.75%, 10/15/47 (Call 04/15/47)^a		4,920		4,613,627
4.20%, 01/15/47 (Call 07/15/46)^a		13,939		14,110,996
4.25%, 03/15/43 (Call 09/15/42)		11,464		11,704,297
4.25%, 04/15/47 (Call 10/15/46)^a		2,410		2,457,379
4.63%, 07/15/35		8,071		8,789,650
4.75%, 07/15/45^a		22,375		24,574,342
5.80%, 03/15/36		5,918		7,280,798
6.88%, 02/15/38^a		10,157		13,906,935

				466,332,292
HOUSEWARES — 0.24%
Newell Brands Inc.
3.15%, 04/01/21 (Call 03/01/21)		13,327		13,200,280
3.85%, 04/01/23 (Call 02/01/23)^a		19,249		19,148,747
4.20%, 04/01/26 (Call 01/01/26)^a		17,377		17,199,882
5.50%, 04/01/46 (Call 10/01/45)^a		25,957		27,520,974

				77,069,883
INSURANCE — 1.74%
Aflac Inc.
3.63%, 11/15/24^a		12,118		12,241,387
American International Group Inc.
3.30%, 03/01/21 (Call 02/01/21)^a		18,852		18,907,193
3.75%, 07/10/25 (Call 04/10/25)		15,636		15,554,698


Security	Principal (000s)		Value
3.88%, 01/15/35 (Call 07/15/34)^a	$	20,928	$	19,774,463
3.90%, 04/01/26 (Call 01/01/26)^a		17,662		17,618,338
4.13%, 02/15/24^a		15,598		15,993,924
4.38%, 01/15/55 (Call 07/15/54)		5,562		5,178,500
4.50%, 07/16/44 (Call 01/16/44)^a		25,842		25,624,423
4.80%, 07/10/45 (Call 01/10/45)		12,364		12,805,622
4.88%, 06/01/22^a		17,016		17,980,654
6.25%, 05/01/36		10,130		12,299,328
Aon PLC
3.88%, 12/15/25 (Call 09/15/25)		4,600		4,653,136
Berkshire Hathaway Finance Corp.
3.00%, 05/15/22^a		6,070		6,070,304
4.25%, 01/15/21		2,520		2,618,196
5.75%, 01/15/40^a		12,291		15,257,700
Berkshire Hathaway Inc.
2.20%, 03/15/21 (Call 02/15/21)^a		5,029		4,940,639
2.75%, 03/15/23 (Call 01/15/23)^a		36,100		35,510,653
3.13%, 03/15/26 (Call 12/15/25)^a		31,950		31,132,083
4.50%, 02/11/43^a		4,860		5,239,758
Chubb Corp. (The)
6.00%, 05/11/37^a		11,833		14,959,889
Chubb INA Holdings Inc.
2.30%, 11/03/20 (Call 10/03/20)^a		1,219		1,205,758
2.88%, 11/03/22 (Call 09/03/22)^a		8,744		8,661,528
3.15%, 03/15/25^a		14,299		14,051,953
3.35%, 05/03/26 (Call 02/03/26)		10,413		10,263,252
4.35%, 11/03/45 (Call 05/03/45)		17,009		17,860,073
Manulife Financial Corp.
4.15%, 03/04/26^a		14,488		14,806,777
5.38%, 03/04/46^a		7,893		9,217,944


Security	Principal (000s)		Value
MetLife Inc.
3.60%, 04/10/24^a	$	21,480	$	21,579,605
4.05%, 03/01/45^a		14,069		13,607,836
4.13%, 08/13/42^a		8,884		8,726,597
4.60%, 05/13/46 (Call 11/13/45)^a		5,340		5,621,727
4.75%, 02/08/21^a		13,321		13,967,375
4.88%, 11/13/43^a		8,993		9,799,756
5.70%, 06/15/35^a		12,966		15,595,345
5.88%, 02/06/41^a		6,762		8,269,459
6.38%, 06/15/34^a		11,448		14,558,339
Series D
4.37%, 09/15/23^a		17,278		18,131,595
Prudential Financial Inc.
3.91%, 12/07/47 (Call 06/07/47)^b		14,861		14,028,304
3.94%, 12/07/49 (Call 06/07/49)^b		13,868		13,069,639
4.60%, 05/15/44^a		11,531		12,223,826
5.70%, 12/14/36^a		4,302		5,178,785
Travelers Companies Inc. (The)
5.35%, 11/01/40		8,015		9,609,447
6.25%, 06/15/37^a		9,654		12,529,206

				566,925,014
INTERNET — 1.28%
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)^a		22,678		20,571,597
3.38%, 02/25/24^a		14,397		14,622,290
3.63%, 05/19/21^a		4,567		4,710,064
Amazon.com Inc.
2.40%, 02/22/23 (Call 01/22/23)^b		17,237		16,653,846
2.50%, 11/29/22 (Call 08/29/22)^a		16,429		16,013,529
2.80%, 08/22/24 (Call 06/22/24)^a,b		29,809		28,850,721
3.15%, 08/22/27 (Call 05/22/27)^a,b		45,490		43,829,856
3.30%, 12/05/21 (Call 10/05/21)^a		12,513		12,683,323
3.80%, 12/05/24 (Call 09/05/24)^a		18,148		18,599,058


Security	Principal (000s)		Value
3.88%, 08/22/37 (Call 02/22/37)^a,b	$	43,201	$	43,093,084
4.05%, 08/22/47 (Call 02/22/47)^a,b		35,491		35,274,980
4.25%, 08/22/57 (Call 02/22/57)^a,b		29,998		29,906,971
4.80%, 12/05/34 (Call 06/05/34)^a		12,426		13,726,554
4.95%, 12/05/44 (Call 06/05/44)^a		23,369		26,383,872
eBay Inc.
2.60%, 07/15/22 (Call 04/15/22)^a		16,262		15,750,191
2.75%, 01/30/23 (Call 12/30/22)		6,226		6,020,920
2.88%, 08/01/21 (Call 06/01/21)^a		11,579		11,460,756
3.45%, 08/01/24 (Call 05/01/24)		9,671		9,538,659
3.60%, 06/05/27 (Call 03/05/27)^a		10,091		9,730,123
3.80%, 03/09/22 (Call 02/09/22)		12,703		12,934,861
4.00%, 07/15/42 (Call 01/15/42)^a		11,206		9,932,583
Expedia Inc.
3.80%, 02/15/28 (Call 11/15/27)^a		20,126		18,713,843

				419,001,681
LODGING — 0.06%
Marriott International Inc./MD
2.30%, 01/15/22 (Call 12/15/21)		11,024		10,712,905
Series R
3.13%, 06/15/26 (Call 03/15/26)^a		8,928		8,471,018

				19,183,923
MACHINERY — 0.29%
Caterpillar Financial Services Corp.
1.70%, 08/09/21		11,960		11,463,664


Security	Principal (000s)		Value
Caterpillar Inc.
3.40%, 05/15/24 (Call 02/15/24)^a	$	5,936	$	5,994,245
3.80%, 08/15/42^a		21,549		21,450,051
3.90%, 05/27/21		1,443		1,487,325
5.20%, 05/27/41^a		13,819		16,509,080
Deere & Co.
2.60%, 06/08/22 (Call 03/08/22)^a		16,016		15,710,890
3.90%, 06/09/42 (Call 12/09/41)^a		9,828		10,035,436
John Deere Capital Corp.
2.80%, 03/06/23		11,744		11,522,380

				94,173,071
MANUFACTURING — 1.09%
3M Co.
5.70%, 03/15/37		3,381		4,239,434
Eaton Corp.
2.75%, 11/02/22^a		23,600		23,137,162
4.15%, 11/02/42^a		9,832		9,659,545
General Electric Co.
2.70%, 10/09/22^a		39,287		38,068,313
3.10%, 01/09/23^a		15,846		15,566,795
3.15%, 09/07/22^a		18,459		18,231,137
3.38%, 03/11/24		2,855		2,804,003
3.45%, 05/15/24 (Call 02/13/24)		1,322		1,302,270
4.13%, 10/09/42^a		20,567		19,222,763
4.50%, 03/11/44^a		23,419		23,152,410
4.63%, 01/07/21^a		5,322		5,525,890
4.65%, 10/17/21^a		15,389		16,122,820
5.30%, 02/11/21		14,577		15,387,841
5.88%, 01/14/38^a		29,059		33,895,455
6.15%, 08/07/37^a		19,925		23,781,021
6.88%, 01/10/39		30,318		39,215,278
Series A
6.75%, 03/15/32^a		32,200		39,974,777
Illinois Tool Works Inc.
2.65%, 11/15/26 (Call 08/15/26)^a		15,956		14,978,853
3.90%, 09/01/42 (Call 03/01/42)^a		12,982		13,076,400

				357,342,167


Security	Principal (000s)		Value
MEDIA — 4.12%
21st Century Fox America Inc.
3.00%, 09/15/22	$	12,115	$	11,975,905
4.50%, 02/15/21^a		16,890		17,636,602
6.15%, 03/01/37		14,037		17,476,805
6.15%, 02/15/41^a		14,610		18,291,955
6.20%, 12/15/34		12,147		15,048,456
6.40%, 12/15/35^a		15,031		19,011,606
6.65%, 11/15/37^a		14,206		18,483,154
CBS Corp.
3.50%, 01/15/25 (Call 10/15/24)^a		195		190,611
4.00%, 01/15/26 (Call 10/15/25)^a		9,311		9,278,528
7.88%, 07/30/30^a		7,967		10,442,454
Charter Communications Operating LLC/Charter Communications Operating Capital
3.75%, 02/15/28 (Call 11/15/27)		11,594		10,710,370
4.20%, 03/15/28 (Call 12/15/27)^a		9,235		8,865,143
4.46%, 07/23/22 (Call 05/23/22)^a		38,575		39,456,215
4.91%, 07/23/25 (Call 04/23/25)^a		57,163		58,845,198
5.38%, 05/01/47 (Call 11/01/46)^a		32,695		32,533,032
6.38%, 10/23/35 (Call 04/23/35)^a		25,606		28,803,455
6.48%, 10/23/45 (Call 04/23/45)^a		45,788		51,563,781
Comcast Cable Communications Holdings Inc.
9.46%, 11/15/22		13,723		17,411,609
Comcast Corp.
2.35%, 01/15/27 (Call 10/15/26)^a		19,052		17,096,825
2.75%, 03/01/23 (Call 02/01/23)^a		10,176		9,947,019
2.85%, 01/15/23^a		5,467		5,375,291
3.00%, 02/01/24 (Call 01/01/24)^a		30,018		29,348,794
3.13%, 07/15/22^a		10,310		10,302,863


Security	Principal (000s)		Value
3.15%, 03/01/26 (Call 12/01/25)^a	$	25,608	$	24,684,378
3.15%, 02/15/28 (Call 11/15/27)^a		31,411		29,852,154
3.20%, 07/15/36 (Call 01/15/36)^a		12,866		11,308,771
3.30%, 02/01/27 (Call 11/01/26)		16,502		15,962,107
3.38%, 02/15/25 (Call 11/15/24)^a		10,896		10,734,296
3.38%, 08/15/25 (Call 05/15/25)^a		16,906		16,636,266
3.40%, 07/15/46 (Call 01/15/46)^a		20,469		17,499,010
3.55%, 05/01/28 (Call 02/01/28)		14,985		14,706,756
3.60%, 03/01/24		8,783		8,856,191
3.90%, 03/01/38 (Call 09/01/37)		24,985		23,874,477
3.97%, 11/01/47 (Call 05/01/47)^a		28,972		27,096,735
4.00%, 08/15/47 (Call 02/15/47)^a		3,469		3,253,238
4.00%, 03/01/48 (Call 09/01/47)		17,572		16,438,641
4.00%, 11/01/49 (Call 05/01/49)		36,023		33,478,649
4.05%, 11/01/52 (Call 05/01/52)		29,003		27,014,679
4.20%, 08/15/34 (Call 02/15/34)^a		7,662		7,694,996
4.25%, 01/15/33^a		13,177		13,502,531
4.40%, 08/15/35 (Call 02/15/35)^a		3,806		3,870,704
4.60%, 08/15/45 (Call 02/15/45)^a		20,631		21,303,719
4.65%, 07/15/42^a		16,021		16,643,212
4.75%, 03/01/44^a		11,071		11,662,075
5.65%, 06/15/35		481		565,291
6.40%, 05/15/38		386		490,487
6.45%, 03/15/37		9,413		12,051,334
6.50%, 11/15/35		1,761		2,246,621
6.95%, 08/15/37		12,166		16,406,574
7.05%, 03/15/33		7,763		10,113,481


Security	Principal (000s)		Value
Discovery Communications LLC
2.95%, 03/20/23 (Call 02/20/23)^a	$	19,762	$	19,134,677
3.95%, 03/20/28 (Call 12/20/27)^a		14,409		13,868,426
4.88%, 04/01/43^a		3,835		3,658,193
5.00%, 09/20/37 (Call 03/20/37)		19,449		19,397,970
5.20%, 09/20/47 (Call 03/20/47)^a		23,108		22,907,970
6.35%, 06/01/40		955		1,078,435
NBCUniversal Media LLC
2.88%, 01/15/23^a		9,238		9,090,270
4.38%, 04/01/21^a		22,364		23,298,214
4.45%, 01/15/43		12,726		12,841,785
5.95%, 04/01/41^a		1,025		1,247,180
Time Warner Cable LLC
4.00%, 09/01/21 (Call 06/01/21)^a		8,892		9,003,353
4.50%, 09/15/42 (Call 03/15/42)		24,034		21,464,160
5.50%, 09/01/41 (Call 03/01/41)^a		6,203		6,235,669
5.88%, 11/15/40 (Call 05/15/40)^a		7,549		7,951,553
6.55%, 05/01/37		12,845		14,498,152
6.75%, 06/15/39		19,647		22,586,270
7.30%, 07/01/38^a		18,395		22,189,020
Time Warner Entertainment Co. LP
8.38%, 03/15/23		13,112		15,744,803
8.38%, 07/15/33^a		10,631		14,028,175
Time Warner Inc.
2.95%, 07/15/26 (Call 04/15/26)		8,878		8,139,904
3.55%, 06/01/24 (Call 03/01/24)		12,625		12,482,176
3.60%, 07/15/25 (Call 04/15/25)		17,597		17,127,401
3.80%, 02/15/27 (Call 11/15/26)^a		34,454		33,434,417
4.75%, 03/29/21^a		7,238		7,575,768
4.85%, 07/15/45 (Call 01/15/45)^a		8,832		8,858,265


Security	Principal (000s)		Value
6.10%, 07/15/40	$	1,462	$	1,692,353
6.25%, 03/29/41		1,036		1,223,335
Viacom Inc.
4.25%, 09/01/23 (Call 06/01/23)		16,365		16,795,504
4.38%, 03/15/43^a		3,378		3,050,411
5.85%, 09/01/43 (Call 03/01/43)^a		17,340		18,892,199
6.88%, 04/30/36^a		19,685		23,402,026
Walt Disney Co. (The)
1.85%, 07/30/26^a		14,710		13,056,452
2.30%, 02/12/21^a		9,197		9,072,164
2.35%, 12/01/22^a		11,260		10,912,759
2.75%, 08/16/21		6,830		6,807,908
2.95%, 06/15/27^a		14,042		13,509,930
3.00%, 02/13/26^a		10,154		9,893,226
3.15%, 09/17/25^a		7,800		7,705,744
4.13%, 06/01/44^a		6,805		7,051,332

				1,346,950,593
METAL FABRICATE & HARDWARE — 0.06%
Precision Castparts Corp.
2.50%, 01/15/23 (Call 10/15/22)^a		12,693		12,417,906
3.25%, 06/15/25 (Call 03/15/25)		8,052		7,990,562

				20,408,468
MINING — 0.60%
Barrick Gold Corp.
5.25%, 04/01/42		6,248		6,937,875
Barrick North America Finance LLC
5.70%, 05/30/41		13,218		15,379,327
5.75%, 05/01/43^a		5,545		6,570,081
Barrick PD Australia Finance Pty Ltd.
5.95%, 10/15/39^a		14,103		16,598,489
BHP Billiton Finance USA Ltd.
2.88%, 02/24/22^a		1,656		1,647,279
4.13%, 02/24/42^a		13,278		13,566,875
5.00%, 09/30/43^a		31,354		36,145,017
Newmont Mining Corp.
3.50%, 03/15/22 (Call 12/15/21)		4,481		4,487,536


Security	Principal (000s)		Value
4.88%, 03/15/42 (Call 09/15/41)^a	$	13,824	$	14,659,965
6.25%, 10/01/39^a		11,813		14,479,481
Rio Tinto Alcan Inc.
6.13%, 12/15/33^a		4,232		5,219,130
Rio Tinto Finance USA Ltd.
3.75%, 06/15/25 (Call 03/15/25)		19,921		20,285,718
5.20%, 11/02/40^a		17,736		20,725,486
7.13%, 07/15/28		5,298		6,828,314
Rio Tinto Finance USA PLC
2.88%, 08/21/22 (Call 05/21/22)		35		34,627
4.13%, 08/21/42 (Call 02/21/42)		13,370		13,653,317

				197,218,517
OFFICE & BUSINESS EQUIPMENT — 0.03%
Xerox Corp.
3.63%, 03/15/23 (Call 02/15/23)^a		6,602		6,446,766
4.50%, 05/15/21^a		3,754		3,846,040

				10,292,806
OIL & GAS — 6.22%
Anadarko Finance Co.
7.50%, 05/01/31		9,649		12,082,945
Anadarko Petroleum Corp.
4.85%, 03/15/21 (Call 02/15/21)^a		8,315		8,674,226
5.55%, 03/15/26 (Call 12/15/25)^a		16,117		17,565,615
6.20%, 03/15/40^a		8,458		9,884,415
6.45%, 09/15/36		20,712		24,727,833
6.60%, 03/15/46 (Call 09/15/45)^a		11,275		14,003,794
Apache Corp.
3.25%, 04/15/22 (Call 01/15/22)		15,879		15,737,448
4.25%, 01/15/44 (Call 07/15/43)		10,497		9,646,630
4.75%, 04/15/43 (Call 10/15/42)		22,467		22,015,317
5.10%, 09/01/40 (Call 03/01/40)		14,957		15,357,406


Security	Principal (000s)		Value
6.00%, 01/15/37	$	7,438	$	8,425,978
BP Capital Markets PLC
2.11%, 09/16/21 (Call 08/16/21)		12,742		12,352,102
2.50%, 11/06/22^a		14,783		14,350,449
2.75%, 05/10/23^a		24,478		23,910,176
3.02%, 01/16/27 (Call 10/16/26)^a		17,157		16,359,407
3.06%, 03/17/22		14,624		14,610,353
3.12%, 05/04/26 (Call 02/04/26)		21,670		20,950,989
3.22%, 11/28/23 (Call 09/28/23)^a		5,716		5,676,749
3.22%, 04/14/24 (Call 02/14/24)		9,407		9,319,017
3.25%, 05/06/22^a		22,823		22,910,574
3.28%, 09/19/27 (Call 06/19/27)^a		12,663		12,278,339
3.51%, 03/17/25^a		14,804		14,804,299
3.54%, 11/04/24^a		8,742		8,762,364
3.56%, 11/01/21		11,856		12,092,926
3.59%, 04/14/27 (Call 01/14/27)^a		11,180		11,119,252
3.72%, 11/28/28 (Call 08/28/28)^a		6,097		6,119,790
3.81%, 02/10/24^a		14,440		14,779,262
3.99%, 09/26/23^a		13,954		14,448,238
4.74%, 03/11/21^a		17,142		18,013,606
Canadian Natural Resources Ltd.
2.95%, 01/15/23 (Call 12/15/22)		11,893		11,584,002
3.85%, 06/01/27 (Call 03/01/27)		18,548		18,191,593
4.95%, 06/01/47 (Call 12/01/46)^a		8,171		8,535,733
6.25%, 03/15/38^a		14,138		16,990,587
Cenovus Energy Inc.
4.25%, 04/15/27 (Call 01/15/27)^a		20,721		20,200,721
5.25%, 06/15/37 (Call 12/15/36)^a		1,860		1,855,438
5.40%, 06/15/47 (Call 12/15/46)^a		23,058		23,086,696
6.75%, 11/15/39		8,451		9,720,568


Security	Principal (000s)		Value
Chevron Corp.
2.10%, 05/16/21 (Call 04/15/21)	$	6,290	$	6,179,804
2.36%, 12/05/22 (Call 09/05/22)^a		19,746		19,140,270
2.57%, 05/16/23 (Call 03/16/23)^a		20,181		19,603,579
2.90%, 03/03/24 (Call 01/03/24)^a		22,004		21,550,698
2.95%, 05/16/26 (Call 02/16/26)^a		30,077		28,849,097
3.19%, 06/24/23 (Call 03/24/23)^a		28,641		28,713,058
3.33%, 11/17/25 (Call 08/17/25)		1,869		1,851,505
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)^a		10,353		10,060,282
4.88%, 10/01/47 (Call 04/01/47)		11,322		11,738,372
ConocoPhillips
6.50%, 02/01/39^a		32,728		42,671,153
ConocoPhillips Co.
2.40%, 12/15/22 (Call 09/15/22)		14,670		14,199,149
3.35%, 11/15/24 (Call 08/15/24)		12,563		12,464,519
4.30%, 11/15/44 (Call 05/15/44)^a		7,455		7,640,744
4.95%, 03/15/26 (Call 12/15/25)^a		20,561		22,370,845
ConocoPhillips Holding Co.
6.95%, 04/15/29		18,729		23,737,528
Devon Energy Corp.
3.25%, 05/15/22 (Call 02/15/22)		6,167		6,124,837
4.75%, 05/15/42 (Call 11/15/41)^a		14,059		14,164,769
5.00%, 06/15/45 (Call 12/15/44)		12,341		12,925,386
5.60%, 07/15/41 (Call 01/15/41)		19,246		21,470,574
5.85%, 12/15/25 (Call 09/15/25)^a		947		1,075,366


Security	Principal (000s)		Value
7.95%, 04/15/32	$	5,787	$	7,774,019
Devon Financing Co. LLC
7.88%, 09/30/31		1,800		2,399,133
Encana Corp.
6.50%, 08/15/34		7,933		9,505,315
EOG Resources Inc.
2.63%, 03/15/23 (Call 12/15/22)^a		16,609		16,023,923
4.10%, 02/01/21^a		4,791		4,924,396
4.15%, 01/15/26 (Call 10/15/25)^a		4,673		4,813,415
EQT Corp.
3.00%, 10/01/22 (Call 09/01/22)^a		11,628		11,323,186
3.90%, 10/01/27 (Call 07/01/27)^a		17,050		16,271,674
4.88%, 11/15/21		5,210		5,450,096
Exxon Mobil Corp.
2.22%, 03/01/21 (Call 02/01/21)^a		21,887		21,542,188
2.40%, 03/06/22 (Call 01/06/22)		14,423		14,097,336
2.71%, 03/06/25 (Call 12/06/24)^a		25,679		24,703,475
2.73%, 03/01/23 (Call 01/01/23)^a		9,251		9,135,213
3.04%, 03/01/26 (Call 12/01/25)^a		29,788		29,179,655
3.18%, 03/15/24 (Call 12/15/23)^a		3,383		3,395,661
3.57%, 03/06/45 (Call 09/06/44)^a		15,054		14,274,472
4.11%, 03/01/46 (Call 09/01/45)^a		34,547		36,006,611
Hess Corp.
4.30%, 04/01/27 (Call 01/01/27)^a		12,880		12,589,819
5.60%, 02/15/41		15,866		16,302,055
6.00%, 01/15/40		10,224		10,826,593
Husky Energy Inc.
4.00%, 04/15/24 (Call 01/15/24)^a		5,263		5,334,384


Security	Principal (000s)		Value
Marathon Oil Corp.
2.80%, 11/01/22 (Call 08/01/22)^a	$	10,499	$	10,126,378
3.85%, 06/01/25 (Call 03/01/25)		10,628		10,492,818
4.40%, 07/15/27 (Call 04/15/27)^a		11,485		11,663,145
6.60%, 10/01/37		13,455		16,205,481
Marathon Petroleum Corp.
3.63%, 09/15/24 (Call 06/15/24)		6,091		6,083,115
4.75%, 09/15/44 (Call 03/15/44)		12,810		12,567,076
5.13%, 03/01/21^a		11,180		11,804,321
6.50%, 03/01/41 (Call 09/01/40)^a		14,768		17,957,260
Noble Energy Inc.
4.15%, 12/15/21 (Call 09/15/21)		11,488		11,774,961
5.05%, 11/15/44 (Call 05/15/44)		9,541		9,941,091
5.25%, 11/15/43 (Call 05/15/43)		9,779		10,421,935
6.00%, 03/01/41 (Call 09/01/40)		11,803		13,613,966
Occidental Petroleum Corp.
2.70%, 02/15/23 (Call 11/15/22)		9,905		9,718,633
3.00%, 02/15/27 (Call 11/15/26)^a		15,079		14,377,079
3.13%, 02/15/22 (Call 11/15/21)		3,304		3,311,588
3.40%, 04/15/26 (Call 01/15/26)^a		17,543		17,319,799
3.50%, 06/15/25 (Call 03/15/25)		15,617		15,609,543
4.10%, 02/15/47 (Call 08/15/46)^a		9,006		8,884,094
4.40%, 04/15/46 (Call 10/15/45)^a		15,404		15,856,463
4.63%, 06/15/45 (Call 12/15/44)		8,215		8,693,516


Security	Principal (000s)		Value
Series 1
4.10%, 02/01/21 (Call 11/01/20)^a	$	11,345	$	11,717,783
Phillips 66
4.30%, 04/01/22^a		23,670		24,580,478
4.65%, 11/15/34 (Call 05/15/34)^a		13,005		13,489,843
4.88%, 11/15/44 (Call 05/15/44)^a		20,137		21,181,885
5.88%, 05/01/42^a		16,409		19,438,387
Shell International Finance BV
1.75%, 09/12/21^a		7,540		7,230,454
1.88%, 05/10/21		16,183		15,663,647
2.25%, 11/10/20^a		1,558		1,535,553
2.25%, 01/06/23^a		10,181		9,763,127
2.38%, 08/21/22^a		8,781		8,535,961
2.50%, 09/12/26		14,607		13,572,091
2.88%, 05/10/26^a		27,290		26,128,398
3.25%, 05/11/25		40,670		40,162,666
3.40%, 08/12/23^a		3,427		3,461,635
3.75%, 09/12/46^a		17,400		16,559,924
4.00%, 05/10/46^a		29,002		28,716,899
4.13%, 05/11/35		18,521		19,068,807
4.38%, 05/11/45^a		36,526		38,220,799
4.55%, 08/12/43^a		16,337		17,514,777
5.50%, 03/25/40^a		12,039		14,505,512
6.38%, 12/15/38^a		35,450		46,751,460
Statoil ASA
2.45%, 01/17/23^a		14,639		14,165,452
2.65%, 01/15/24		16,022		15,507,522
2.75%, 11/10/21		379		376,014
3.15%, 01/23/22^a		3,509		3,524,549
3.70%, 03/01/24^a		11,797		12,016,338
3.95%, 05/15/43		5,202		5,144,647
4.80%, 11/08/43^a		10,868		12,146,767
5.10%, 08/17/40		9,741		11,217,210
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)		8,986		8,891,155
4.00%, 11/15/47 (Call 05/15/47)		429		413,530
6.50%, 06/15/38^a		17,364		22,316,473
6.80%, 05/15/38		14,425		18,986,618


Security	Principal (000s)		Value
6.85%, 06/01/39^a	$	13,366	$	18,145,279
Total Capital Canada Ltd.
2.75%, 07/15/23^a		16,988		16,597,225
Total Capital International SA
2.70%, 01/25/23^a		13,856		13,562,010
2.75%, 06/19/21^a		9,987		9,942,213
2.88%, 02/17/22^a		7,891		7,833,287
3.70%, 01/15/24^a		10,978		11,209,672
3.75%, 04/10/24^a		19,313		19,768,586
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)^a		17,825		17,072,229
6.63%, 06/15/37^a		15,960		19,775,709
7.50%, 04/15/32		11,424		14,870,325

				2,031,254,149
OIL & GAS SERVICES — 0.69%
Baker Hughes a GE Co. LLC
5.13%, 09/15/40		1,139		1,255,237
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
2.77%, 12/15/22 (Call 11/15/22)		10,072		9,835,410
3.34%, 12/15/27 (Call 09/15/27)		19,916		19,013,088
4.08%, 12/15/47 (Call 06/15/47)		14,245		13,376,918
Halliburton Co.
3.50%, 08/01/23 (Call 05/01/23)^a		18,892		18,951,177
3.80%, 11/15/25 (Call 08/15/25)^a		30,582		30,604,704
4.75%, 08/01/43 (Call 02/01/43)^a		15,639		16,207,883
4.85%, 11/15/35 (Call 05/15/35)^a		14,159		15,086,223
5.00%, 11/15/45 (Call 05/15/45)^a		25,207		27,241,815
6.70%, 09/15/38^a		10,400		13,278,445
7.45%, 09/15/39^a		7,872		10,823,816
National Oilwell Varco Inc.
2.60%, 12/01/22 (Call 09/01/22)		20,647		19,751,484


Security	Principal (000s)		Value
3.95%, 12/01/42 (Call 06/01/42)	$	10,901	$	9,403,197
Schlumberger Investment SA
3.65%, 12/01/23 (Call 09/01/23)^a		19,678		20,066,210

				224,895,607
PHARMACEUTICALS — 6.20%
AbbVie Inc.
2.30%, 05/14/21 (Call 04/14/21)^a		22,549		22,024,458
2.85%, 05/14/23 (Call 03/14/23)^a		19,017		18,463,352
2.90%, 11/06/22^a		39,745		38,906,516
3.20%, 11/06/22 (Call 09/06/22)^a		7,495		7,448,154
3.20%, 05/14/26 (Call 02/14/26)^a		25,957		24,773,205
3.60%, 05/14/25 (Call 02/14/25)^a		42,097		41,601,325
4.30%, 05/14/36 (Call 11/14/35)^a		16,611		16,697,979
4.40%, 11/06/42		31,603		31,257,810
4.45%, 05/14/46 (Call 11/14/45)^a		25,105		25,057,361
4.50%, 05/14/35 (Call 11/14/34)^a		33,407		34,347,748
4.70%, 05/14/45 (Call 11/14/44)		29,879		30,795,840
Actavis Inc.
3.25%, 10/01/22 (Call 07/01/22)		17,918		17,667,689
Allergan Funding SCS
3.45%, 03/15/22 (Call 01/15/22)^a		35,359		35,286,394
3.80%, 03/15/25 (Call 12/15/24)^a		50,637		49,922,745
3.85%, 06/15/24 (Call 03/15/24)^a		18,032		17,997,819
4.55%, 03/15/35 (Call 09/15/34)		32,015		31,846,054
4.75%, 03/15/45 (Call 09/15/44)		14,571		14,520,730
4.85%, 06/15/44 (Call 12/15/43)		18,880		19,044,941


Security	Principal (000s)		Value
AstraZeneca PLC
2.38%, 06/12/22 (Call 05/12/22)^a	$	8,984	$	8,698,972
3.13%, 06/12/27 (Call 03/12/27)^a		13,147		12,578,536
3.38%, 11/16/25 ^a		30,079		29,551,817
4.00%, 09/18/42^a		18,343		17,474,564
4.38%, 11/16/45^a		8,888		8,959,541
6.45%, 09/15/37^a		30,097		38,582,148
Bristol-Myers Squibb Co.
2.00%, 08/01/22^a		3,446		3,297,626
3.25%, 02/27/27^a		17,761		17,518,053
Cardinal Health Inc.
2.62%, 06/15/22 (Call 05/15/22)^a		5,791		5,598,509
3.08%, 06/15/24 (Call 04/15/24)^a		4,513		4,327,183
3.41%, 06/15/27 (Call 03/15/27)^a		28,693		27,001,189
CVS Health Corp.
2.13%, 06/01/21 (Call 05/01/21)^a		20,468		19,738,836
2.75%, 12/01/22 (Call 09/01/22)^a		20,037		19,297,953
2.88%, 06/01/26 (Call 03/01/26)^a		38,759		35,414,098
3.50%, 07/20/22 (Call 05/20/22)^a		22,170		22,101,628
3.88%, 07/20/25 (Call 04/20/25)^a		38,535		38,060,422
4.00%, 12/05/23 (Call 09/05/23)^a		8,864		8,975,775
4.88%, 07/20/35 (Call 01/20/35)		128		132,171
5.13%, 07/20/45 (Call 01/20/45)^a		40,264		42,087,025
5.30%, 12/05/43 (Call 06/05/43)		1,432		1,528,661
Eli Lilly & Co.
2.35%, 05/15/22^a		9,301		9,050,942
2.75%, 06/01/25 (Call 03/01/25)^a		9,128		8,807,928
3.10%, 05/15/27 (Call 02/15/27)^a		11,693		11,387,536


Security	Principal (000s)		Value
3.70%, 03/01/45 (Call 09/01/44)	$	13,858	$	13,375,349
3.95%, 05/15/47 (Call 11/15/46)^a		8,441		8,463,433
Express Scripts Holding Co.
3.00%, 07/15/23 (Call 05/15/23)^a		15,648		15,118,659
3.40%, 03/01/27 (Call 12/01/26)^a		21,528		20,365,423
3.50%, 06/15/24 (Call 03/15/24)		17,593		17,223,953
3.90%, 02/15/22^a		14,281		14,535,679
4.50%, 02/25/26 (Call 11/27/25)^a		24,121		24,881,709
4.75%, 11/15/21^a		13,730		14,385,200
4.80%, 07/15/46 (Call 01/15/46)^a		5,901		5,880,484
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23^a		20,039		19,660,616
6.38%, 05/15/38^a		32,065		42,456,289
GlaxoSmithKline Capital PLC
2.85%, 05/08/22		26,974		26,741,260
Johnson & Johnson
1.65%, 03/01/21 (Call 02/01/21)^a		3,979		3,871,826
2.25%, 03/03/22 (Call 02/03/22)^a		3,643		3,565,466
2.45%, 03/01/26 (Call 12/01/25)^a		36,010		33,954,333
2.63%, 01/15/25 (Call 11/15/24)		11,430		11,027,625
2.90%, 01/15/28 (Call 10/15/27)^a		14,473		13,899,037
2.95%, 03/03/27 (Call 12/03/26)^a		15,939		15,453,431
3.38%, 12/05/23^a		4,611		4,722,873
3.40%, 01/15/38 (Call 07/15/37)^a		15,286		14,610,582
3.50%, 01/15/48 (Call 07/15/47)^a		11,807		11,081,815
3.55%, 03/01/36 (Call 09/01/35)^a		13,706		13,416,391
3.63%, 03/03/37 (Call 09/03/36)^a		21,400		21,156,072


Security	Principal (000s)		Value
3.70%, 03/01/46 (Call 09/01/45)^a	$	21,708	$	21,197,532
3.75%, 03/03/47 (Call 09/03/46)^a		10,372		10,205,621
4.38%, 12/05/33 (Call 06/05/33)		10,219		11,106,290
5.95%, 08/15/37^a		14,122		18,182,679
McKesson Corp.
3.80%, 03/15/24 (Call 12/15/23)^a		4,024		4,062,180
Mead Johnson Nutrition Co.
4.13%, 11/15/25 (Call 08/15/25)^a		10,077		10,254,795
Merck & Co. Inc.
2.35%, 02/10/22^a		4,297		4,213,805
2.40%, 09/15/22 (Call 06/15/22)^a		7,516		7,342,389
2.75%, 02/10/25 (Call 11/10/24)^a		30,347		29,274,910
2.80%, 05/18/23^a		22,229		21,968,294
3.70%, 02/10/45 (Call 08/10/44)^a		29,897		28,955,098
3.88%, 01/15/21 (Call 10/15/20)^a		2,490		2,562,457
4.15%, 05/18/43		16,997		17,614,761
Mylan NV
3.15%, 06/15/21 (Call 05/15/21)^a		26,289		26,055,438
3.95%, 06/15/26 (Call 03/15/26)^b		1,938		1,878,910
3.95%, 06/15/26 (Call 03/15/26)^a		36,063		34,944,423
5.25%, 06/15/46 (Call 12/15/45)^a		9,926		10,017,642
Novartis Capital Corp.
2.40%, 05/17/22 (Call 04/17/22)^a		5,346		5,225,703
2.40%, 09/21/22^a		15,199		14,811,661
3.00%, 11/20/25 (Call 08/20/25)^a		22,886		22,370,539
3.10%, 05/17/27 (Call 02/17/27)		19,943		19,525,503
3.40%, 05/06/24^a		28,543		28,826,061


Security	Principal (000s)		Value
4.00%, 11/20/45 (Call 05/20/45)^a	$	18,811	$	19,066,892
4.40%, 05/06/44^a		19,923		21,499,254
Pfizer Inc.
1.95%, 06/03/21^a		8,851		8,634,861
2.20%, 12/15/21^a		10,126		9,896,486
2.75%, 06/03/26^a		19,219		18,244,483
3.00%, 06/15/23^a		9,895		9,882,913
3.00%, 12/15/26^a		17,797		17,172,888
3.40%, 05/15/24^a		16,513		16,700,735
4.00%, 12/15/36^a		12,023		12,338,244
4.13%, 12/15/46^a		14,505		14,877,825
4.30%, 06/15/43^a		10,948		11,443,511
4.40%, 05/15/44^a		12,677		13,488,693
7.20%, 03/15/39^a		28,441		41,096,070
Sanofi
4.00%, 03/29/21^a		19,837		20,472,030
Shire Acquisitions Investments Ireland DAC
2.40%, 09/23/21 (Call 08/23/21)^a		44,024		42,529,332
2.88%, 09/23/23 (Call 07/23/23)^a		35,249		33,806,858
3.20%, 09/23/26 (Call 06/23/26)^a		40,097		37,352,789
Wyeth LLC
5.95%, 04/01/37^a		23,199		29,506,305
6.50%, 02/01/34^a		8,731		11,344,070
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)^a		6,631		6,218,303
3.25%, 02/01/23 (Call 11/01/22)^a		17,487		17,397,877
3.95%, 09/12/47 (Call 03/12/47)^a		903		857,018
4.50%, 11/13/25 (Call 08/13/25)		9,842		10,385,171
4.70%, 02/01/43 (Call 08/01/42)		12,839		13,525,919

				2,026,013,956
PIPELINES — 3.22%
Columbia Pipeline Group Inc.
4.50%, 06/01/25 (Call 03/01/25)		12,062		12,399,933


Security	Principal (000s)		Value
Enbridge Inc.
4.25%, 12/01/26 (Call 09/01/26)^a	$	15,583	$	15,696,588
5.50%, 12/01/46 (Call 05/29/46)^a		9,284		10,481,786
Energy Transfer LP
3.60%, 02/01/23 (Call 11/01/22)		14,293		14,073,691
4.05%, 03/15/25 (Call 12/15/24)^a		17,476		17,232,406
4.65%, 06/01/21 (Call 03/01/21)^a		7,944		8,213,184
4.75%, 01/15/26 (Call 10/15/25)^a		11,674		11,861,807
5.15%, 03/15/45 (Call 09/15/44)		15,637		14,682,349
5.20%, 02/01/22 (Call 11/01/21)^a		11,471		12,066,205
5.30%, 04/15/47 (Call 10/15/46)^a		8,593		8,252,841
6.13%, 12/15/45 (Call 06/15/45)		9,297		9,871,384
6.50%, 02/01/42 (Call 08/01/41)		14,353		15,847,434
Energy Transfer LP/Regency Energy Finance Corp.
5.88%, 03/01/22 (Call 12/01/21)		13,660		14,620,711
EnLink Midstream Partners LP
4.15%, 06/01/25 (Call 03/01/25)		2,313		2,268,115
Enterprise Products Operating LLC
3.35%, 03/15/23 (Call 12/15/22)^a		2,835		2,828,256
3.70%, 02/15/26 (Call 11/15/25)		12,121		12,062,986
3.75%, 02/15/25 (Call 11/15/24)		13,861		13,922,877
3.90%, 02/15/24 (Call 11/15/23)		9,083		9,227,589
3.95%, 02/15/27 (Call 11/15/26)^a		10		10,103
4.25%, 02/15/48 (Call 08/15/47)		15,000		14,384,756


Security	Principal (000s)		Value
4.45%, 02/15/43 (Call 08/15/42)	$	14,545	$	14,363,971
4.85%, 08/15/42 (Call 02/15/42)		6,734		7,006,864
4.85%, 03/15/44 (Call 09/15/43)		17,530		18,274,762
4.90%, 05/15/46 (Call 11/15/45)		12,036		12,729,589
5.10%, 02/15/45 (Call 08/15/44)		16,785		18,168,928
5.95%, 02/01/41		8,489		10,049,137
Kinder Morgan Energy Partners LP
3.50%, 03/01/21 (Call 01/01/21)		11,725		11,766,523
3.95%, 09/01/22 (Call 06/01/22)		13,401		13,582,160
5.50%, 03/01/44 (Call 09/01/43)		7,613		7,922,350
6.95%, 01/15/38		11,171		13,488,492
Kinder Morgan Inc./DE
3.15%, 01/15/23 (Call 12/15/22)^a		15,813		15,452,764
4.30%, 06/01/25 (Call 03/01/25)		16,996		17,187,599
4.30%, 03/01/28 (Call 12/01/27)		5,000		4,983,100
5.05%, 02/15/46 (Call 08/15/45)		9,835		9,643,105
5.30%, 12/01/34 (Call 06/01/34)		11,363		11,724,702
5.55%, 06/01/45 (Call 12/01/44)^a		17,969		18,777,341
7.75%, 01/15/32		11,599		14,759,947
MPLX LP
4.00%, 03/15/28 (Call 12/15/27)		15,000		14,740,452
4.13%, 03/01/27 (Call 12/01/26)^a		13,690		13,605,661
4.50%, 07/15/23 (Call 04/15/23)^a		9,311		9,634,332
4.50%, 04/15/38 (Call 10/15/37)		20,000		19,468,436
4.70%, 04/15/48 (Call 10/15/47)		15,000		14,521,306


Security	Principal (000s)		Value
4.88%, 12/01/24 (Call 09/01/24)^a	$	15,036	$	15,829,692
4.88%, 06/01/25 (Call 03/01/25)^a		11,801		12,376,517
5.20%, 03/01/47 (Call 09/01/46)^a		16,089		16,705,894
ONEOK Partners LP
3.38%, 10/01/22 (Call 07/01/22)		6,369		6,291,148
Plains All American Pipeline LP/PAA Finance Corp.
3.60%, 11/01/24 (Call 08/01/24)		6,013		5,739,663
3.65%, 06/01/22 (Call 03/01/22)		8,955		8,855,680
4.50%, 12/15/26 (Call 09/15/26)^a		10,782		10,707,797
4.65%, 10/15/25 (Call 07/15/25)^a		10,306		10,412,835
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)		15,873		15,560,743
5.00%, 03/15/27 (Call 09/15/26)^a		20,672		21,435,522
5.63%, 02/01/21 (Call 11/01/20)^a		17,449		18,406,950
5.63%, 04/15/23 (Call 01/15/23)^a		24,592		26,310,632
5.63%, 03/01/25 (Call 12/01/24)^a		27,655		29,804,734
5.75%, 05/15/24 (Call 02/15/24)^a		24,637		26,569,093
5.88%, 06/30/26 (Call 12/31/25)^a		21,690		23,690,909
6.25%, 03/15/22 (Call 12/15/21)^a		9,364		10,203,628
Spectra Energy Partners LP
4.75%, 03/15/24 (Call 12/15/23)		14,790		15,526,477
Sunoco Logistics Partners Operations LP
4.00%, 10/01/27 (Call 07/01/27)^a		10,615		10,116,178
5.35%, 05/15/45 (Call 11/15/44)		8,624		8,309,948


Security	Principal (000s)		Value
5.40%, 10/01/47 (Call 04/01/47)^a	$	19,946	$	19,535,124
TransCanada PipeLines Ltd.
2.50%, 08/01/22^a		12,712		12,357,396
4.63%, 03/01/34 (Call 12/01/33)^a		17,921		18,964,904
4.88%, 01/15/26 (Call 10/15/25)^a		8,313		9,011,398
6.10%, 06/01/40^a		9,135		11,293,564
6.20%, 10/15/37^a		13,190		16,232,329
7.63%, 01/15/39^a		15,552		22,153,824
Transcontinental Gas Pipe Line Co. LLC
7.85%, 02/01/26 (Call 11/01/25)^a		17,365		21,568,830
Williams Partners LP
3.35%, 08/15/22 (Call 05/15/22)		8,501		8,389,729
3.60%, 03/15/22 (Call 01/15/22)		17,915		17,939,443
3.75%, 06/15/27 (Call 03/15/27)^a		19,604		19,041,828
3.90%, 01/15/25 (Call 10/15/24)		6,106		6,064,015
4.00%, 09/15/25 (Call 06/15/25)^a		11,799		11,752,809
4.30%, 03/04/24 (Call 12/04/23)		16,175		16,541,909
5.10%, 09/15/45 (Call 03/15/45)		11,675		12,097,208
6.30%, 04/15/40		16,262		19,226,177
Williams Partners LP/ACMP Finance Corp.
4.88%, 03/15/24 (Call 03/28/18)		4,470		4,670,584

				1,051,551,633
REAL ESTATE INVESTMENT TRUSTS — 1.12%
American Tower Corp.
3.30%, 02/15/21 (Call 01/15/21)^a		10,687		10,722,664
3.38%, 10/15/26 (Call 07/15/26)^a		16,256		15,384,027
3.50%, 01/31/23^a		2,576		2,575,974
3.55%, 07/15/27 (Call 04/15/27)^a		8,097		7,713,814


Security	Principal (000s)		Value
4.00%, 06/01/25 (Call 03/01/25)^a	$	22,768	$	22,809,779
4.70%, 03/15/22^a		374		392,112
5.00%, 02/15/24		8,791		9,396,432
Boston Properties LP
2.75%, 10/01/26 (Call 07/01/26)^a		22,715		20,925,590
3.65%, 02/01/26 (Call 11/03/25)^a		18,131		17,959,593
3.85%, 02/01/23 (Call 11/01/22)		6,260		6,409,079
4.13%, 05/15/21 (Call 02/15/21)		2,290		2,363,255
CC Holdings GS V LLC/Crown Castle GS III Corp.
3.85%, 04/15/23^a		9,702		9,766,971
Crown Castle International Corp.
2.25%, 09/01/21 (Call 08/01/21)^a		459		445,003
3.15%, 07/15/23 (Call 06/15/23)		475		464,628
3.20%, 09/01/24 (Call 07/01/24)^a		4,328		4,166,553
3.40%, 02/15/21 (Call 01/15/21)^a		5,095		5,126,915
3.65%, 09/01/27 (Call 06/01/27)^a		13,944		13,340,045
3.70%, 06/15/26 (Call 03/15/26)^a		7,044		6,808,270
4.45%, 02/15/26 (Call 11/15/25)		13,791		14,044,486
4.88%, 04/15/22		22,404		23,567,935
5.25%, 01/15/23^a		26,309		28,198,020
ERP Operating LP
4.50%, 07/01/44 (Call 01/01/44)^a		7,886		8,215,684
4.63%, 12/15/21 (Call 09/15/21)		5,125		5,405,445
HCP Inc.
3.88%, 08/15/24 (Call 05/17/24)^a		12,864		12,887,665
4.00%, 06/01/25 (Call 03/01/25)^a		13,070		13,114,927


Security	Principal (000s)		Value
4.25%, 11/15/23 (Call 08/15/23)	$	7,593	$	7,829,448
5.38%, 02/01/21 (Call 11/03/20)^a		1,602		1,695,186
Simon Property Group LP
3.25%, 11/30/26 (Call 08/30/26)^a		12,588		12,137,397
3.30%, 01/15/26 (Call 10/15/25)^a		18,689		18,173,522
3.38%, 10/01/24 (Call 07/01/24)^a		15,996		15,868,817
3.38%, 06/15/27 (Call 03/15/27)^a		1,732		1,678,631
4.38%, 03/01/21 (Call 12/01/20)^a		10,967		11,413,686
Welltower Inc.
4.00%, 06/01/25 (Call 03/01/25)^a		19,727		19,898,161
Weyerhaeuser Co.
7.38%, 03/15/32^a		11,727		15,402,584

				366,302,298
RETAIL — 2.69%
Costco Wholesale Corp.
2.15%, 05/18/21 (Call 04/18/21)^a		3,651		3,584,682
2.30%, 05/18/22 (Call 04/18/22)^a		3,007		2,925,198
2.75%, 05/18/24 (Call 03/18/24)		12,635		12,320,948
3.00%, 05/18/27 (Call 02/18/27)^a		10,836		10,482,949
Home Depot Inc. (The)
2.00%, 04/01/21 (Call 03/01/21)^a		17,135		16,744,634
2.13%, 09/15/26 (Call 06/15/26)^a		18,173		16,369,204
2.63%, 06/01/22 (Call 05/01/22)		9,650		9,520,649
2.70%, 04/01/23 (Call 01/01/23)^a		13,102		12,857,289
2.80%, 09/14/27 (Call 06/14/27)^a		15,847		14,944,778
3.00%, 04/01/26 (Call 01/01/26)^a		20,746		20,098,136


Security	Principal (000s)		Value
3.35%, 09/15/25 (Call 06/15/25)^a	$	18,262	$	18,185,332
3.50%, 09/15/56 (Call 03/15/56)^a		13,157		11,560,574
3.75%, 02/15/24 (Call 11/15/23)^a		6,135		6,311,829
3.90%, 06/15/47 (Call 12/15/46)^a		3,460		3,399,606
4.20%, 04/01/43 (Call 10/01/42)^a		8,263		8,481,554
4.25%, 04/01/46 (Call 10/01/45)^a		15,991		16,558,853
4.40%, 04/01/21 (Call 01/01/21)^a		11,602		12,130,120
4.40%, 03/15/45 (Call 09/15/44)		11,817		12,505,200
4.88%, 02/15/44 (Call 08/15/43)		13,255		14,963,501
5.88%, 12/16/36^a		34,752		44,406,815
5.95%, 04/01/41 (Call 10/01/40)^a		14,962		19,154,269
Lowe’s Companies Inc.
2.50%, 04/15/26 (Call 01/15/26)^a		16,686		15,405,289
3.10%, 05/03/27 (Call 02/03/27)^a		20,470		19,594,781
3.12%, 04/15/22 (Call 01/15/22)		3,500		3,527,561
3.38%, 09/15/25 (Call 06/15/25)		9,756		9,628,950
3.70%, 04/15/46 (Call 10/15/45)		20,150		18,644,392
4.05%, 05/03/47 (Call 11/03/46)^a		16,870		16,719,729
4.38%, 09/15/45 (Call 03/15/45)^a		6,942		7,193,347
4.65%, 04/15/42 (Call 10/15/41)^a		8,169		8,793,478
Macy’s Retail Holdings Inc.
2.88%, 02/15/23 (Call 11/15/22)^a		9,371		8,728,355
McDonald’s Corp.
2.63%, 01/15/22^a		17,241		16,946,310
3.50%, 03/01/27 (Call 12/01/26)^a		14,639		14,402,440


Security	Principal (000s)		Value
3.70%, 01/30/26 (Call 10/30/25)^a	$	20,554	$	20,586,681
4.70%, 12/09/35 (Call 06/09/35)^a		8,015		8,568,570
4.88%, 12/09/45 (Call 06/09/45)^a		22,619		24,515,574
6.30%, 10/15/37^a		11,344		14,456,024
6.30%, 03/01/38^a		9,977		12,710,724
Starbucks Corp.
2.10%, 02/04/21 (Call 01/04/21)^a		5,935		5,825,385
3.10%, 03/01/23 (Call 02/01/23)		5,000		4,990,950
3.50%, 03/01/28 (Call 12/01/27)		5,000		4,963,700
3.85%, 10/01/23 (Call 07/01/23)^a		14,304		14,874,771
Target Corp.
2.50%, 04/15/26^a		18,000		16,704,428
2.90%, 01/15/22^a		7,185		7,190,326
3.50%, 07/01/24^a		8,778		8,920,331
3.63%, 04/15/46^a		11,847		10,817,263
3.90%, 11/15/47 (Call 05/15/47)		9,855		9,419,601
4.00%, 07/01/42^a		16,256		15,886,345
TJX Companies Inc. (The)
2.25%, 09/15/26 (Call 06/15/26)^a		21,511		19,440,756
2.75%, 06/15/21 (Call 04/15/21)^a		504		503,476
Walgreen Co.
3.10%, 09/15/22^a		17,947		17,632,260
Walgreens Boots Alliance Inc.
3.30%, 11/18/21 (Call 09/18/21)^a		18,284		18,324,088
3.45%, 06/01/26 (Call 03/01/26)^a		22,058		20,866,566
3.80%, 11/18/24 (Call 08/18/24)^a		25,521		25,305,738
4.80%, 11/18/44 (Call 05/18/44)^a		17,178		17,074,953
Walmart Inc.
2.35%, 12/15/22 (Call 11/15/22)^a		18,519		18,009,894


Security	Principal (000s)		Value
2.55%, 04/11/23 (Call 01/11/23)^a	$	27,049	$	26,475,096
2.65%, 12/15/24 (Call 10/15/24)		18,294		17,753,553
3.30%, 04/22/24 (Call 01/22/24)		16,406		16,576,056
3.63%, 12/15/47 (Call 06/15/47)^a		16,981		16,486,596
4.00%, 04/11/43 (Call 10/11/42)		2,507		2,590,704
4.30%, 04/22/44 (Call 10/22/43)^a		4,832		5,211,542
5.25%, 09/01/35		16,463		19,723,856
5.63%, 04/01/40		5,037		6,404,078
5.63%, 04/15/41		17,701		22,640,777
5.88%, 04/05/27		1,302		1,543,716

				880,085,130
SEMICONDUCTORS — 1.97%
Analog Devices Inc.
3.50%, 12/05/26 (Call 09/05/26)^a		11,123		10,850,428
3.90%, 12/15/25 (Call 09/15/25)		11,203		11,329,396
Applied Materials Inc.
3.30%, 04/01/27 (Call 01/01/27)^a		13,500		13,198,584
4.30%, 06/15/21^a		8,651		9,069,926
4.35%, 04/01/47 (Call 10/01/46)^a		12,174		12,685,942
Broadcom Corp./Broadcom Cayman Finance Ltd.
2.65%, 01/15/23 (Call 12/15/22)^a		11,522		10,926,140
3.00%, 01/15/22 (Call 12/15/21)		54,592		53,347,805
3.13%, 01/15/25 (Call 11/15/24)		21,247		19,937,547
3.50%, 01/15/28 (Call 10/15/27)		19,315		17,891,316
3.63%, 01/15/24 (Call 11/15/23)		26,462		25,841,294
3.88%, 01/15/27 (Call 10/15/26)		65,689		63,041,674


Security	Principal (000s)		Value
Intel Corp.
2.35%, 05/11/22 (Call 04/11/22)^a	$	8,539	$	8,344,199
2.60%, 05/19/26 (Call 02/19/26)		17,090		16,083,698
2.70%, 12/15/22^a		15,682		15,469,426
2.88%, 05/11/24 (Call 03/11/24)^a		19,118		18,692,179
3.10%, 07/29/22^a		16,732		16,839,583
3.15%, 05/11/27 (Call 02/11/27)^a		14,194		13,840,929
3.30%, 10/01/21^a		16,077		16,372,540
3.70%, 07/29/25 (Call 04/29/25)^a		27,121		27,689,882
3.73%, 12/08/47 (Call 06/08/47)^b		43,904		42,063,487
4.00%, 12/15/32^a		10,531		10,937,101
4.10%, 05/19/46 (Call 11/19/45)^a		16,692		17,017,788
4.10%, 05/11/47 (Call 11/11/46)^a		16,636		16,972,501
NVIDIA Corp.
2.20%, 09/16/21 (Call 08/16/21)^a		15,993		15,546,637
3.20%, 09/16/26 (Call 06/16/26)^a		8,436		8,173,483
QUALCOMM Inc.
2.60%, 01/30/23 (Call 12/30/22)^a		21,057		20,039,227
2.90%, 05/20/24 (Call 03/20/24)^a		29,743		28,124,609
3.00%, 05/20/22^a		18,829		18,446,502
3.25%, 05/20/27 (Call 02/20/27)^a		26,040		24,356,644
3.45%, 05/20/25 (Call 02/20/25)^a		16,501		15,986,966
4.30%, 05/20/47 (Call 11/20/46)^a		17,813		16,457,933
4.65%, 05/20/35 (Call 11/20/34)		16,064		16,292,920
4.80%, 05/20/45 (Call 11/20/44)^a		12,623		12,660,095

				644,528,381


Security	Principal (000s)		Value
SOFTWARE — 4.23%
Activision Blizzard Inc.
3.40%, 09/15/26 (Call 06/15/26)^a	$	7,527	$	7,304,417
Fidelity National Information Services Inc.
2.25%, 08/15/21 (Call 07/15/21)		9,357		9,069,494
3.00%, 08/15/26 (Call 05/15/26)		15,622		14,560,679
3.50%, 04/15/23 (Call 01/15/23)		2,025		2,028,475
5.00%, 10/15/25 (Call 07/15/25)		6,012		6,443,735
Fiserv Inc.
3.85%, 06/01/25 (Call 03/01/25)		10,719		10,818,321
Microsoft Corp.
1.55%, 08/08/21 (Call 07/08/21)		36,218		34,785,238
2.00%, 11/03/20 (Call 10/03/20)^a		1,130		1,111,933
2.00%, 08/08/23 (Call 06/08/23)^a		17,448		16,537,197
2.13%, 11/15/22^a		2,447		2,364,798
2.38%, 02/12/22 (Call 01/12/22)		19,152		18,775,690
2.38%, 05/01/23 (Call 02/01/23)^a		2,901		2,810,719
2.40%, 02/06/22 (Call 01/06/22)^a		16,019		15,720,681
2.40%, 08/08/26 (Call 05/08/26)^a		52,539		48,746,546
2.65%, 11/03/22 (Call 09/03/22)		2,582		2,544,184
2.70%, 02/12/25 (Call 11/12/24)^a		30,217		29,144,393
2.88%, 02/06/24 (Call 12/06/23)		29,532		29,016,673
3.13%, 11/03/25 (Call 08/03/25)^a		33,629		33,174,437
3.30%, 02/06/27 (Call 11/06/26)^a		52,681		52,202,098
3.45%, 08/08/36 (Call 02/08/36)		28,556		27,663,991


Security	Principal (000s)		Value
3.50%, 02/12/35 (Call 08/12/34)^a	$	31,379	$	30,730,333
3.50%, 11/15/42		11,537		10,966,753
3.63%, 12/15/23 (Call 09/15/23)^a		16,333		16,755,002
3.70%, 08/08/46 (Call 02/08/46)^a		59,945		58,268,908
3.75%, 02/12/45 (Call 08/12/44)		20,670		20,287,152
3.95%, 08/08/56 (Call 02/08/56)^a		25,757		25,524,396
4.00%, 02/12/55 (Call 08/12/54)		25,463		25,486,189
4.10%, 02/06/37 (Call 08/06/36)		31,710		33,335,730
4.20%, 11/03/35 (Call 05/03/35)		11,146		11,847,645
4.45%, 11/03/45 (Call 05/03/45)		35,575		38,985,600
4.50%, 10/01/40		10,503		11,547,781
4.50%, 02/06/57 (Call 08/06/56)^a		21,214		23,188,815
4.75%, 11/03/55 (Call 05/03/55)^a		16,337		18,576,968
5.20%, 06/01/39		11,309		13,517,945
5.30%, 02/08/41^a		12,511		15,200,660
Series 30Y
4.25%, 02/06/47 (Call 08/06/46)		34,722		37,003,965
Oracle Corp.
1.90%, 09/15/21 (Call 08/15/21)^a		49,529		47,825,153
2.40%, 09/15/23 (Call 07/15/23)^a		26,537		25,354,065
2.50%, 05/15/22 (Call 03/15/22)^a		26,846		26,255,082
2.50%, 10/15/22^a		22,171		21,610,324
2.63%, 02/15/23 (Call 01/15/23)^a		15,404		15,025,856
2.65%, 07/15/26 (Call 04/15/26)^a		37,726		35,255,849
2.80%, 07/08/21^a		7,611		7,592,190
2.95%, 11/15/24 (Call 09/15/24)^a		30,500		29,631,894


Security	Principal (000s)		Value
2.95%, 05/15/25 (Call 02/15/25)^a	$	34,000	$	32,924,784
3.25%, 11/15/27 (Call 08/15/27)^a		40,012		38,876,059
3.40%, 07/08/24 (Call 04/08/24)^a		25,246		25,331,031
3.63%, 07/15/23^a		15,122		15,433,624
3.80%, 11/15/37 (Call 05/15/37)^a		22,754		22,446,737
3.85%, 07/15/36 (Call 01/15/36)^a		16,433		16,378,066
3.90%, 05/15/35 (Call 11/15/34)		15,612		15,658,816
4.00%, 07/15/46 (Call 01/15/46)^a		34,571		34,214,290
4.00%, 11/15/47 (Call 05/15/47)^a		26,578		26,318,665
4.13%, 05/15/45 (Call 11/15/44)^a		27,305		27,511,000
4.30%, 07/08/34 (Call 01/08/34)		22,297		23,477,595
4.38%, 05/15/55 (Call 11/15/54)^a		14,773		15,335,275
4.50%, 07/08/44 (Call 01/08/44)^a		12,445		13,260,085
5.38%, 07/15/40		29,999		35,934,563
6.13%, 07/08/39^a		14,060		18,331,580
6.50%, 04/15/38		17,127		23,036,942
VMware Inc.
2.95%, 08/21/22 (Call 07/21/22)^a		17,233		16,579,635
3.90%, 08/21/27 (Call 05/21/27)^a		15,996		15,146,361

				1,380,793,062

TELECOMMUNICATIONS — 7.63%
AT&T Inc.
2.63%, 12/01/22 (Call 09/01/22)		21,532		20,746,140
2.80%, 02/17/21 (Call 01/17/21)^a		14,419		14,313,979
2.85%, 02/14/23 (Call 01/14/23)^a		4,784		4,752,616
3.00%, 02/15/22^a		16,462		16,238,614


Security	Principal (000s)		Value
3.00%, 06/30/22 (Call 04/30/22)	$	35,685	$	35,065,298
3.20%, 03/01/22 (Call 02/01/22)^a		17,247		17,129,936
3.40%, 08/14/24 (Call 06/14/24)		3,255		3,234,600
3.40%, 05/15/25 (Call 02/15/25)^a		56,431		54,211,693
3.60%, 02/17/23 (Call 12/17/22)^a		34,369		34,485,559
3.80%, 03/15/22		16,319		16,572,560
3.80%, 03/01/24 (Call 01/01/24)^a		12,345		12,352,540
3.88%, 08/15/21^a		18,000		18,365,380
3.90%, 03/11/24 (Call 12/11/23)		20,298		20,416,289
3.90%, 08/14/27 (Call 05/14/27)^a		27,059		26,862,749
3.95%, 01/15/25 (Call 10/15/24)^a		17,910		17,876,892
4.10%, 02/15/28 (Call 11/15/27)^b		40,756		39,948,685
4.13%, 02/17/26 (Call 11/17/25)^a		34,354		34,330,852
4.25%, 03/01/27 (Call 12/01/26)^a		20,296		20,330,020
4.30%, 02/15/30 (Call 11/15/29)^a,b		26,258		25,590,175
4.30%, 12/15/42 (Call 06/15/42)^a		27,838		25,393,576
4.35%, 06/15/45 (Call 12/15/44)		33,408		29,860,141
4.45%, 05/15/21		11,969		12,420,648
4.45%, 04/01/24 (Call 01/01/24)^a		22,318		23,050,267
4.50%, 05/15/35 (Call 11/15/34)^a		30,391		29,253,720
4.50%, 03/09/48 (Call 09/09/47)^a		50,797		46,190,058
4.55%, 03/09/49 (Call 09/09/48)^a		29,864		27,290,246
4.75%, 05/15/46 (Call 11/15/45)^a		37,390		35,312,256


Security	Principal (000s)		Value
4.80%, 06/15/44 (Call 12/15/43)	$	30,367	$	29,016,233
4.90%, 08/14/37 (Call 02/14/37)^a		29,190		29,163,402
5.00%, 03/01/21		6,276		6,599,610
5.15%, 03/15/42^a		7,446		7,479,295
5.15%, 11/15/46 (Call 05/15/46)^a,b		34,570		34,572,070
5.15%, 02/14/50 (Call 08/14/49)^a		48,573		48,319,716
5.25%, 03/01/37 (Call 09/01/36)^a		31,965		33,179,267
5.30%, 08/14/58 (Call 02/14/58)^a		24,897		24,797,833
5.35%, 09/01/40^a		22,700		23,448,160
5.45%, 03/01/47 (Call 09/01/46)^a		18,414		19,158,305
5.55%, 08/15/41^a		17,684		18,971,335
5.65%, 02/15/47 (Call 08/15/46)^a		11,025		11,774,409
5.70%, 03/01/57 (Call 09/01/56)^a		6,827		7,252,069
6.00%, 08/15/40 (Call 05/15/40)^a		17,133		19,046,340
6.38%, 03/01/41^a		13,971		16,221,035
British Telecommunications PLC
9.13%, 12/15/30		32,304		46,941,505
Cisco Systems Inc.
1.85%, 09/20/21 (Call 08/20/21)^a		18,793		18,135,766
2.20%, 02/28/21^a		24,832		24,387,698
2.20%, 09/20/23 (Call 07/20/23)^a		2,646		2,521,473
2.50%, 09/20/26 (Call 06/20/26)^a		19,160		17,877,272
2.95%, 02/28/26^a		12,524		12,138,283
3.63%, 03/04/24^a		9,236		9,438,942
5.50%, 01/15/40^a		26,500		33,001,147
5.90%, 02/15/39^a		25,748		33,369,817
Deutsche Telekom International Finance BV
8.75%, 06/15/30		41,833		59,666,688


Security	Principal (000s)		Value
Orange SA
4.13%, 09/14/21	$	12,114	$	12,606,840
5.38%, 01/13/42^a		13,334		15,253,776
5.50%, 02/06/44 (Call 08/06/43)^a		9,716		11,264,297
9.00%, 03/01/31^a		31,536		46,672,656
Rogers Communications Inc.
4.10%, 10/01/23 (Call 07/01/23)^a		9,077		9,361,490
5.00%, 03/15/44 (Call 09/15/43)^a		14,112		15,411,334
Telefonica Emisiones SAU
4.10%, 03/08/27^a		25,403		25,221,165
4.57%, 04/27/23^a		6,262		6,615,878
5.21%, 03/08/47^a		26,113		27,418,444
5.46%, 02/16/21^a		18,615		19,833,812
7.05%, 06/20/36^a		21,807		27,693,333
Telefonica Europe BV
8.25%, 09/15/30^a		17,718		24,023,276
Verizon Communications Inc.
1.75%, 08/15/21		10,581		10,126,328
2.45%, 11/01/22 (Call 08/01/22)		15,539		14,965,393
2.63%, 08/15/26^a		23,425		21,342,143
2.95%, 03/15/22^a		41,964		41,478,611
3.00%, 11/01/21 (Call 09/01/21)^a		9,102		9,064,807
3.13%, 03/16/22^a		26,438		26,287,407
3.38%, 02/15/25		68,320		66,813,394
3.45%, 03/15/21^a		5,758		5,836,042
3.50%, 11/01/21^a		15,220		15,388,931
3.50%, 11/01/24 (Call 08/01/24)^a		38,111		37,750,241
3.85%, 11/01/42 (Call 05/01/42)^a		12,075		10,503,700
4.13%, 03/16/27^a		43,195		43,793,458
4.13%, 08/15/46^a		28,330		25,267,853
4.15%, 03/15/24 (Call 12/15/23)^a		24,854		25,587,228
4.27%, 01/15/36^a		37,670		36,363,073
4.40%, 11/01/34 (Call 05/01/34)^a		36,731		35,889,996
4.50%, 08/10/33^a		10,563		10,590,276
4.52%, 09/15/48		60,465		57,073,180
4.60%, 04/01/21		17,207		17,995,786


Security	Principal (000s)		Value
4.67%, 03/15/55^a	$	73,555	$	68,819,801
4.75%, 11/01/41^a		7,978		7,941,568
4.81%, 03/15/39^a		22,496		22,845,646
4.86%, 08/21/46^a		60,336		60,113,976
5.01%, 04/15/49^a		43,010		43,493,325
5.01%, 08/21/54^a		61,486		60,635,759
5.15%, 09/15/23		72,111		78,111,255
5.25%, 03/16/37		39,125		41,536,168
5.50%, 03/16/47^a		17,573		19,168,103
6.55%, 09/15/43		9,019		11,285,475
Vodafone Group PLC
2.50%, 09/26/22		14,741		14,286,395
2.95%, 02/19/23^a		24,482		24,035,598
4.38%, 02/19/43^a		16,884		16,253,906
6.15%, 02/27/37^a		18,652		22,281,125

				2,492,375,407
TRANSPORTATION — 0.95%
Burlington Northern Santa Fe LLC
3.85%, 09/01/23 (Call 06/01/23)		1,756		1,813,983
3.90%, 08/01/46 (Call 02/01/46)		9,816		9,620,662
4.13%, 06/15/47 (Call 12/15/46)^a		10,795		10,982,095
4.15%, 04/01/45 (Call 10/01/44)^a		16,320		16,502,206
4.45%, 03/15/43 (Call 09/15/42)^a		7,018		7,405,062
4.55%, 09/01/44 (Call 03/01/44)		8,794		9,392,982
4.90%, 04/01/44 (Call 10/01/43)^a		15,181		16,989,517
5.75%, 05/01/40 (Call 11/01/39)^a		7,344		9,023,397
Canadian Pacific Railway Co.
6.13%, 09/15/15 (Call 03/15/15)^a		10,914		13,359,743
CSX Corp.
2.60%, 11/01/26 (Call 08/01/26)^a		439		400,815
3.25%, 06/01/27 (Call 03/01/27)^a		10,576		10,108,093
3.80%, 03/01/28 (Call 12/01/27)		10,000		9,950,982


Security	Principal (000s)		Value
3.80%, 11/01/46 (Call 05/01/46)^a	$	1,890	$	1,725,435
4.10%, 03/15/44 (Call 09/15/43)^a		11,028		10,561,722
4.30%, 03/01/48 (Call 09/01/47)		10,000		9,861,330
FedEx Corp.
3.25%, 04/01/26 (Call 01/01/26)^a		3,248		3,161,744
4.00%, 01/15/24^a		7,226		7,450,808
4.05%, 02/15/48 (Call 08/15/47)		10,000		9,379,362
4.40%, 01/15/47 (Call 07/15/46)^a		17,862		17,708,492
4.55%, 04/01/46 (Call 10/01/45)^a		17,047		17,269,509
4.75%, 11/15/45 (Call 05/15/45)		11,552		12,031,675
5.10%, 01/15/44		7,299		7,960,821
Union Pacific Corp.
3.80%, 10/01/51 (Call 04/01/51)^a		13,994		13,317,365
4.16%, 07/15/22 (Call 04/15/22)		5,558		5,807,237
United Parcel Service Inc.
2.45%, 10/01/22^a		13,447		13,114,160
2.50%, 04/01/23 (Call 03/01/23)		600		581,846
3.05%, 11/15/27 (Call 08/15/27)		15,893		15,228,263
3.13%, 01/15/21^a		11,915		12,039,446
3.75%, 11/15/47 (Call 05/15/47)^a		15,263		14,551,283
6.20%, 01/15/38^a		18,686		24,194,575

				311,494,610
WATER — 0.05%
American Water Capital Corp.
3.75%, 09/01/47 (Call 03/01/47)		14,007		13,447,794
6.59%, 10/15/37		1,037		1,382,323

				14,830,117

TOTAL CORPORATE BONDS & NOTES
(Cost: $33,490,821,284)				32,362,276,233


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 10.82%

MONEY MARKET FUNDS — 10.82%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^d,e,f		3,425,888	$	3,426,231,013
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^d,e		107,658		107,657,990

				3,533,889,003

TOTAL SHORT-TERM INVESTMENTS
(Cost: $3,533,713,532)				3,533,889,003

TOTAL INVESTMENTS IN SECURITIES — 109.90%
(Cost: $37,024,534,816)				35,896,165,236
Other Assets, Less Liabilities — (9.90)%				(3,233,884,839	)

NET ASSETS — 100.00%			$	32,662,280,397

^a	All or a portion of this security is on loan.

^b	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^c	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^d	Affiliate of the Fund.

^e	Annualized 7-day yield as of period end.

^f	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

For its investment advisory services to the iShares iBoxx $ High Yield Corporate Bond ETF, BFA is entitled to an annual investment advisory fee, accrued daily and paid monthly by the Fund, based on the Fund’s allocable portion of the aggregate of the average daily net assets of the Fund and certain other iShares funds, as follows:

For its investment advisory services to the iShares iBoxx $ Investment Grade Corporate Bond ETF, BFA is entitled to an annual investment advisory fee, accrued daily and paid monthly by the Fund, based on the Fund’s allocable portion of the aggregate of the average daily net assets of the Fund and certain other iShares funds, as follows:

For the year ended February 28, 2018, the total of securities lending agent services and collateral investment fees paid were as follows:

For the year ended February 28, 2018, transactions executed by the Funds pursuant to Rule 17a-7 under the 1940 Act were as follows:

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind transactions (see Note 4) for the year ended February 28, 2018 were as follows:

High yield securities that are rated below investment-grade (commonly referred to as “junk bonds”) or are unrated may be deemed speculative, involve greater levels of risk than higher-rated securities of similar maturity and are more likely to default. High yield securities may be issued by less creditworthy issuers, and issuers of high yield securities may be unable to meet their interest or principal payment obligations. High yield securities are subject to extreme price fluctuations, may be less liquid than higher rated fixed-income securities, even under normal economic conditions, and frequently have redemption features.

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

For the year ended February 28, 2018, the iShares iBoxx $ Investment Grade Corporate Bond ETF utilized $18,455,658 of its capital loss carryforwards.

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares iBoxx $ High Yield Corporate Bond ETF and iShares iBoxx $ Investment Grade Corporate Bond ETF (two of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations for the year ended February 28, 2018, the statements of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, the results of each of their operations for the year then ended, the changes in each of their net assets for each of the two years in the period ended February 28, 2018 and each of the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

The Funds hereby designate the following amounts of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018:

BFA has registered the iShares iBoxx $ High Yield Corporate Bond ETF and iShares iBoxx $ Investment Grade Corporate Bond ETF (each a “Fund”, collectively the “Funds”) for marketing to investors in the United Kingdom, the Netherlands, Finland, Sweden, and Luxembourg.

Disclosures are provided in relation to (a) the staff of BFA; (b) staff who are senior management; and (c) staff who have the ability to materially affect the risk profile of the Funds.

BlackRock has a clear and well-defined pay-for-performance philosophy, and compensation programs which support that philosophy.

reference to the performance of each individual function and the remuneration of the senior members of control functions is directly overseen by BlackRock’s independent compensation committee.

The amount of the total remuneration awarded by BFA to its staff which has been attributed to the iShares iBoxx $ High Yield Corporate Bond ETF in respect of BFA’s financial year ending December 31, 2017 was USD 1.66 million. This figure is comprised of fixed remuneration of USD 663.57 thousand and variable remuneration of USD 1 million. There were a total of 417 beneficiaries of the remuneration described above.

The amount of the aggregate remuneration awarded by BFA, which has been attributed to the iShares iBoxx $ High Yield Corporate Bond ETF in respect of BFA’s financial year ending December 31, 2017, to its senior management was USD 232.91 thousand, and to members of its staff whose actions have a material impact on the risk profile of the Fund was USD 43.39 thousand.

The amount of the total remuneration awarded by BFA to its staff which has been attributed to the iShares iBoxx $ Investment Grade Corporate Bond ETF in respect of BFA’s financial year ending December 31, 2017 was USD 3.69 million. This figure is comprised of fixed remuneration of USD 1.47 million and variable remuneration of USD 2.22 million. There were a total of 417 beneficiaries of the remuneration described above.

The amount of the aggregate remuneration awarded by BFA, which has been attributed to the iShares iBoxx $ Investment Grade Corporate Bond ETF in respect of BFA’s financial year ending December 31, 2017, to its senior management was USD 516.01 thousand, and to members of its staff whose actions have a material impact on the risk profile of the Fund was USD 96.13 thousand.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

The iShares Funds are not sponsored, endorsed, issued, sold or promoted by Markit Indices Limited, nor does this company make any representation regarding the advisability of investing in the iShares Funds. BlackRock is not affiliated with the company listed above.

Corporate bonds were among the better performers in the U.S. bond market during the reporting period, returning more than 2%. Corporate bonds benefited from strong investor demand for yield. Demand was especially strong for lower-quality bonds, which tend to have the highest yields. Limited new supply also supported corporate bond performance. Although overall issuance of corporate bonds hit a record high in 2017, net new corporate bond supply was lower than in either of the prior two years.

Mortgage-backed securities (“MBS”) posted modestly positive returns for the reporting period. Rising interest rates and concerns about the Fed’s plan to reduce the amount of MBS on its balance sheet held the sector in check. Commercial MBS, which often have fixed maturities, outperformed residential MBS for the reporting period. Because residential MBS are subject to refinancing, their price sensitivity to interest rate changes typically increases as rates rise and prepayments slow.

The inception date of the Fund was 11/1/16. The first day of secondary market trading was 11/3/16.

The iShares Core 5-10 Year USD Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated bonds that are rated either investment-grade or high yield with remaining effective maturities between five and ten years, as represented by the Bloomberg Barclays U.S. Universal 5-10 Year Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.70%, net of fees, while the total return for the Index was 0.70%.

ALLOCATION BY INVESTMENT TYPE

As of 2/28/18


Investment Type		Percentage of Total Investments¹


U.S. Government & Agency Obligations	65.86	%
Corporate Bonds & Notes	27.78
Foreign Government Obligations	4.46
Collateralized Mortgage Obligations	1.90

TOTAL	100.00	%

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Aaa	70.52	%
Aa	1.31
A	6.91
Baa	10.27
Ba	5.51
B	4.21
Caa	0.37
Not Rated	0.90

TOTAL	100.00	%

The inception date of the Fund was 12/8/09. The first day of secondary market trading was 12/9/09.

Index performance through October 22, 2012 reflects the performance of the ICE BofAML 10+ Year US Corporate & Government Index^SM. Index performance beginning on October 23, 2012 through June 2, 2014 reflects the performance of the Bloomberg Barclays U.S. Long Government/Credit Bond Index. Index performance beginning on June 3, 2014 reflects the performance of the Bloomberg Barclays U.S. Universal 10+ Year Index.

The iShares Core 10+ Year USD Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated bonds that are rated either investment-grade or high-yield with remaining maturities greater than ten years, as represented by the Bloomberg Barclays U.S. Universal 10+ Year Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 3.03%, net of fees, while the total return for the Index was 3.23%.

ALLOCATION BY INVESTMENT TYPE

As of 2/28/18


Investment Type		Percentage of Total Investments¹


Corporate Bonds & Notes	52.66	%
U.S. Government & Agency Obligations	35.51
Foreign Government Obligations	8.40
Municipal Debt Obligations	3.43

TOTAL	100.00	%

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²	Percentage of Total Investments¹
Aaa		37.71	%
Aa		6.40
A		20.61
Baa		26.43
Ba		5.81
B		1.67
Caa		0.23
Ca		0.03
Not Rated		1.11

TOTAL		100.00	%


Security	Principal (000s)		Value
COLLATERALIZED MORTGAGE OBLIGATIONS — 1.88%

MORTGAGE-BACKED SECURITIES — 1.88%
Citigroup Commercial Mortgage Trust Series 2017-P7, Class A4
3.71%, 04/14/50	$	150	$	151,720
CSAIL Commercial Mortgage Trust Series 2015-C1, Class B
4.04%, 04/15/50^a		130		131,625
GS Mortgage Securities Trust Series 2014-GC22, Class A5
3.86%, 06/10/47		140		143,961
UBS Commercial Mortgage Trust Series 2018-C8, Class A4
3.98%, 02/15/51		125		128,495
UBS-Barclays Commercial Mortgage Trust Series 2013-C5, Class A4
3.18%, 03/10/46		170		169,825

				725,626

TOTAL COLLATERALIZED MORTGAGE OBLIGATIONS
(Cost: $748,584)				725,626

CORPORATE BONDS & NOTES — 27.49%

ADVERTISING — 0.13%
Lamar Media Corp.
5.75%, 02/01/26 (Call 02/01/21)		25		25,881
Omnicom Group Inc.
3.60%, 04/15/26 (Call 01/15/26)		25		24,417

				50,298
AEROSPACE & DEFENSE — 0.53%
Arconic Inc.
5.13%, 10/01/24 (Call 07/01/24)		25		25,895
BAE Systems Holdings Inc.
3.80%, 10/07/24^b		25		25,275
Boeing Co. (The)
2.85%, 10/30/24 (Call 07/30/24)		5		4,891
Embraer Netherlands Finance BV
5.05%, 06/15/25		5		5,215
L3 Technologies Inc.
3.85%, 12/15/26 (Call 09/15/26)		2		1,986
Lockheed Martin Corp.
3.55%, 01/15/26 (Call 10/15/25)		25		25,003


Security	Principal (000s)		Value
Northrop Grumman Corp.
2.93%, 01/15/25 (Call 11/15/24)	$	5	$	4,800
3.20%, 02/01/27 (Call 11/01/26)		5		4,796
3.25%, 08/01/23		25		24,856
Rockwell Collins Inc.
3.50%, 03/15/27 (Call 12/15/26)		5		4,869
TransDigm Inc.
6.50%, 07/15/24 (Call 07/15/19)		50		51,565
United Technologies Corp.
2.65%, 11/01/26 (Call 08/01/26)		25		23,202

				202,353
AGRICULTURE — 0.22%
Archer-Daniels-Midland Co.
2.50%, 08/11/26 (Call 05/11/26)		10		9,207
BAT Capital Corp.
3.22%, 08/15/24 (Call 06/15/24)^b		10		9,655
3.56%, 08/15/27 (Call 05/15/27)^b		5		4,781
Philip Morris International Inc.
3.13%, 08/17/27 (Call 05/17/27)		10		9,603
3.60%, 11/15/23		25		25,415
Reynolds American Inc.
4.45%, 06/12/25 (Call 03/12/25)		25		25,801

				84,462
AIRLINES — 0.12%
Southwest Airlines Co.
3.45%, 11/16/27 (Call 08/16/27)		25		24,292
United Airlines Pass Through Trust Series 2013-1A, Class A
4.30%, 08/15/25		21		21,289

				45,581
APPAREL — 0.08%
Hanesbrands Inc.
4.63%, 05/15/24 (Call 02/15/24)^b		25		24,901
NIKE Inc.
2.38%, 11/01/26 (Call 08/01/26)		5		4,615

				29,516
AUTO MANUFACTURERS — 0.35%
American Honda Finance Corp.
2.30%, 09/09/26		10		9,150
BMW U.S. Capital LLC
2.80%, 04/11/26 (Call 01/11/26)^b		10		9,490
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)		25		24,589


Security	Principal (000s)		Value
General Motors Financial Co. Inc.
3.85%, 01/05/28 (Call 10/05/27)	$	25	$	23,742
3.95%, 04/13/24 (Call 02/13/24)		5		4,984
4.25%, 05/15/23		10		10,177
4.30%, 07/13/25 (Call 04/13/25)		5		5,021
4.35%, 01/17/27 (Call 10/17/26)		25		24,927
Tesla Inc.
5.30%, 08/15/25 (Call 08/15/20)^b,c		25		23,709

				135,789
AUTO PARTS & EQUIPMENT — 0.21%
American Axle & Manufacturing Inc.
6.50%, 04/01/27 (Call 04/01/22)^c		25		25,852
Dana Inc.
5.50%, 12/15/24 (Call 12/15/19)		25		25,492
Goodyear Tire & Rubber Co. (The)
5.13%, 11/15/23 (Call 11/15/18)		25		25,576
Lear Corp.
5.25%, 01/15/25 (Call 01/15/20)		5		5,256

				82,176
BANKS — 3.61%
Bank of America Corp.
3.88%, 08/01/25		10		10,133
4.00%, 04/01/24		5		5,130
4.20%, 08/26/24		25		25,549
4.45%, 03/03/26		75		76,902
(3 mo. LIBOR US + 1.040%)
3.42%, 12/20/28 (Call 12/20/27)^b,d		25		23,918
Bank of New York Mellon Corp. (The)
2.80%, 05/04/26 (Call 02/04/26)		25		23,553
3.65%, 02/04/24 (Call 01/05/24)		10		10,168
Bank of Nova Scotia (The)
4.50%, 12/16/25		25		25,582
BNP Paribas/BNP Paribas U.S. Medium-Term Note Program LLC
3.25%, 03/03/23		25		24,861
Capital One Financial Corp.
3.20%, 02/05/25 (Call 01/05/25)		25		23,999
3.30%, 10/30/24 (Call 09/30/24)		25		24,263
3.75%, 04/24/24 (Call 03/24/24)		5		5,010
3.75%, 03/09/27 (Call 02/09/27)		5		4,858
Citigroup Inc.
3.20%, 10/21/26 (Call 07/21/26)		25		23,847
3.50%, 05/15/23		10		9,963


Security	Principal (000s)		Value
4.40%, 06/10/25	$	25	$	25,666
4.60%, 03/09/26		25		25,883
5.50%, 09/13/25		5		5,468
(3 mo. LIBOR US + 1.563%)
3.89%, 01/10/28 (Call 01/10/27)^d		25		24,918
Commonwealth Bank of Australia
2.85%, 05/18/26^b		25		23,495
Deutsche Bank AG/London
3.70%, 05/30/24		25		24,397
Fifth Third Bancorp.
4.30%, 01/16/24 (Call 12/16/23)		10		10,335
Goldman Sachs Group Inc. (The)
3.50%, 01/23/25 (Call 10/23/24)		50		49,117
3.50%, 11/16/26 (Call 11/16/25)		25		24,092
3.75%, 02/25/26 (Call 11/25/25)		25		24,719
3.85%, 01/26/27 (Call 01/26/26)		10		9,864
JPMorgan Chase & Co.
2.70%, 05/18/23 (Call 03/18/23)		50		48,518
3.30%, 04/01/26 (Call 01/01/26)		30		29,090
3.63%, 05/13/24		25		25,133
3.90%, 07/15/25 (Call 04/15/25)		10		10,151
4.13%, 12/15/26		25		25,304
(3 mo. LIBOR US + 1.337%)
3.78%, 02/01/28 (Call 02/01/27)^d		50		49,802
KfW
2.00%, 05/02/25		10		9,375
2.50%, 11/20/24		35		34,007
Landwirtschaftliche Rentenbank
1.75%, 07/27/26		30		27,152
2.00%, 01/13/25		5		4,699
2.38%, 06/10/25		10		9,604
Series 37
2.50%, 11/15/27		5		4,768
Mitsubishi UFJ Financial Group Inc.
3.68%, 02/22/27		25		24,742
Morgan Stanley
3.13%, 07/27/26		25		23,735
3.88%, 01/27/26		25		25,058
3.95%, 04/23/27		5		4,918
4.00%, 07/23/25		25		25,376
4.10%, 05/22/23		25		25,451
4.35%, 09/08/26		10		10,173
Series F
3.88%, 04/29/24		5		5,060


Security	Principal (000s)		Value
MUFG Americas Holdings Corp.
3.00%, 02/10/25 (Call 01/10/25)	$	25	$	24,160
PNC Financial Services Group Inc. (The)
3.15%, 05/19/27 (Call 04/19/27)^e		5		4,808
3.90%, 04/29/24 (Call 03/29/24)^e		15		15,301
Royal Bank of Canada
4.65%, 01/27/26		25		25,931
Royal Bank of Scotland Group PLC
6.00%, 12/19/23		25		26,670
Santander Holdings USA Inc.
4.40%, 07/13/27 (Call 06/13/27)^b		10		9,964
4.50%, 07/17/25 (Call 04/17/25)		25		25,363
Santander UK PLC
4.00%, 03/13/24		25		25,472
State Street Corp.
2.65%, 05/19/26		35		32,668
3.10%, 05/15/23		10		9,857
Sumitomo Mitsui Financial Group Inc.
3.54%, 01/17/28		25		24,400
3.78%, 03/09/26		25		24,962
U.S. Bancorp.
Series F
3.60%, 09/11/24 (Call 08/11/24)		10		10,108
Series V
2.38%, 07/22/26 (Call 06/22/26)		15		13,658
Wells Fargo & Co.
3.00%, 02/19/25		10		9,611
3.00%, 04/22/26		10		9,465
3.00%, 10/23/26		25		23,606
4.10%, 06/03/26		35		35,058
4.48%, 01/16/24		25		26,084
Westpac Banking Corp.
3.35%, 03/08/27		25		24,262

				1,389,214
BEVERAGES — 0.33%
Anheuser-Busch InBev Finance Inc.
3.65%, 02/01/26 (Call 11/01/25)		35		34,643
3.70%, 02/01/24		5		5,084
Coca-Cola Co. (The)
2.50%, 04/01/23		25		24,387
Constellation Brands Inc.
3.70%, 12/06/26 (Call 09/06/26)		25		24,684
Diageo Capital PLC
2.63%, 04/29/23 (Call 01/29/23)		5		4,851


Security	Principal (000s)		Value
Molson Coors Brewing Co.
3.00%, 07/15/26 (Call 04/15/26)	$	5	$	4,674
PepsiCo Inc.
2.38%, 10/06/26 (Call 07/06/26)		5		4,604
3.60%, 03/01/24 (Call 12/01/23)		25		25,489

				128,416
BIOTECHNOLOGY — 0.23%
Amgen Inc.
3.63%, 05/22/24 (Call 02/22/24)		25		25,159
Baxalta Inc.
4.00%, 06/23/25 (Call 03/23/25)		5		4,982
Celgene Corp.
3.88%, 08/15/25 (Call 05/15/25)		25		24,932
Gilead Sciences Inc.
2.95%, 03/01/27 (Call 12/01/26)		5		4,708
3.50%, 02/01/25 (Call 11/01/24)		5		4,979
3.65%, 03/01/26 (Call 12/01/25)		25		24,993

				89,753
BUILDING MATERIALS — 0.28%
Jeld-Wen Inc.
4.63%, 12/15/25 (Call 12/15/20)^b		25		24,407
Martin Marietta Materials Inc.
3.50%, 12/15/27 (Call 09/15/27)		25		24,009
Masco Corp.
4.45%, 04/01/25 (Call 01/01/25)		10		10,336
Owens Corning
3.40%, 08/15/26 (Call 05/15/26)		25		23,872
Standard Industries Inc./NJ
6.00%, 10/15/25 (Call 10/15/20)^b		25		26,343

				108,967
CHEMICALS — 0.45%
Blue Cube Spinco Inc.
10.00%, 10/15/25 (Call 10/15/20)		25		29,812
Chemours Co. (The)
6.63%, 05/15/23 (Call 05/15/18)		25		26,247
Dow Chemical Co. (The)
3.50%, 10/01/24 (Call 07/01/24)		25		24,888
LYB International Finance BV
4.00%, 07/15/23		25		25,559
LYB International Finance II BV
3.50%, 03/02/27 (Call 12/02/26)		5		4,863
Mosaic Co. (The)
4.25%, 11/15/23 (Call 08/15/23)		30		30,856


Security	Principal (000s)		Value
NOVA Chemicals Corp.
5.25%, 08/01/23 (Call 08/01/18)^b	$	25	$	25,482
Sherwin-Williams Co. (The)
3.45%, 06/01/27 (Call 03/01/27)		5		4,814

				172,521
COMMERCIAL SERVICES — 0.41%
ADT Corp. (The)
4.13%, 06/15/23		25		24,303
Avis Budget Car Rental LLC/Avis Budget Finance Inc.
5.50%, 04/01/23 (Call 04/01/18)^c		25		24,930
Ecolab Inc.
3.25%, 12/01/27 (Call 09/01/27)^b		25		24,034
ERAC USA Finance LLC
3.85%, 11/15/24 (Call 08/15/24)^b		25		25,330
Moody’s Corp.
4.88%, 02/15/24 (Call 11/15/23)		5		5,335
Prime Security Services Borrower LLC/Prime Finance Inc.
9.25%, 05/15/23 (Call 05/15/19)^b		20		21,774
S&P Global Inc.
4.00%, 06/15/25 (Call 03/15/25)		5		5,118
United Rentals North America Inc.
5.75%, 11/15/24 (Call 05/15/19)		25		25,861

				156,685
COMPUTERS — 0.76%
Apple Inc.
2.40%, 05/03/23		5		4,835
2.90%, 09/12/27 (Call 06/12/27)		25		23,647
3.00%, 06/20/27 (Call 03/20/27)		25		23,937
3.25%, 02/23/26 (Call 11/23/25)		25		24,628
3.35%, 02/09/27 (Call 11/09/26)		5		4,929
3.45%, 05/06/24		25		25,180
Dell International LLC/EMC Corp.
5.45%, 06/15/23 (Call 04/15/23)^b		25		26,357
6.02%, 06/15/26 (Call 03/15/26)^b		25		26,699
7.13%, 06/15/24 (Call 06/15/19)^b		25		26,966
Exela Intermediate LLC/Exela Finance Inc.
10.00%, 07/15/23 (Call 07/15/20)^b		25		24,901
Hewlett Packard Enterprise Co.
4.90%, 10/15/25 (Call 07/15/25)		25		25,837


Security	Principal (000s)		Value
International Business Machines Corp.
7.00%, 10/30/25	$	25	$	31,053
Seagate HDD Cayman
4.75%, 06/01/23		25		25,161

				294,130
COSMETICS & PERSONAL CARE — 0.04%
Procter & Gamble Co. (The)
2.45%, 11/03/26		5		4,638
2.85%, 08/11/27		10		9,532

				14,170
DIVERSIFIED FINANCIAL SERVICES — 1.06%
Air Lease Corp.
3.00%, 09/15/23 (Call 07/15/23)		5		4,844
3.63%, 12/01/27 (Call 09/01/27)		25		23,907
Ally Financial Inc.
5.75%, 11/20/25 (Call 10/20/25)^c		25		26,208
American Express Co.
3.63%, 12/05/24 (Call 11/04/24)		25		25,004
American Express Credit Corp.
3.30%, 05/03/27 (Call 04/03/27)		20		19,389
Ameriprise Financial Inc.
4.00%, 10/15/23		25		25,843
Brookfield Finance LLC
4.00%, 04/01/24 (Call 02/01/24)		25		25,278
Charles Schwab Corp. (The)
3.20%, 01/25/28 (Call 10/25/27)		25		24,149
CME Group Inc.
3.00%, 03/15/25 (Call 12/15/24)		5		4,884
Discover Financial Services
3.75%, 03/04/25 (Call 12/04/24)		25		24,471
3.95%, 11/06/24 (Call 08/06/24)		10		9,991
E*TRADE Financial Corp.
3.80%, 08/24/27 (Call 05/24/27)		25		24,228
Icahn Enterprises LP/Icahn Enterprises Finance Corp.
6.38%, 12/15/25 (Call 12/15/20)^c		25		25,270
Intercontinental Exchange Inc.
3.75%, 12/01/25 (Call 09/01/25)		5		5,082
Jefferies Group LLC
6.45%, 06/08/27		10		11,312
Nasdaq Inc.
3.85%, 06/30/26 (Call 03/30/26)		5		4,955


Security	Principal (000s)		Value
National Rural Utilities Cooperative Finance Corp.
2.85%, 01/27/25 (Call 10/27/24)	$	25	$	24,112
Navient Corp.
6.13%, 03/25/24		25		25,079
ORIX Corp.
3.70%, 07/18/27		25		24,379
Synchrony Financial
4.25%, 08/15/24 (Call 05/15/24)		25		25,189
Visa Inc.
3.15%, 12/14/25 (Call 09/14/25)		25		24,539

				408,113
ELECTRIC — 2.25%
Abu Dhabi National Energy Co. PJSC
3.88%, 05/06/24^f		200		198,290
American Electric Power Co. Inc.
3.20%, 11/13/27 (Call 08/13/27)		25		23,897
Avangrid Inc.
3.15%, 12/01/24 (Call 10/01/24)		25		24,260
Berkshire Hathaway Energy Co.
3.75%, 11/15/23 (Call 08/15/23)		10		10,235
Calpine Corp.
5.88%, 01/15/24 (Call 11/01/18)^b		25		25,511
Commonwealth Edison Co.
2.95%, 08/15/27 (Call 05/15/27)		20		19,113
DTE Energy Co.
2.85%, 10/01/26 (Call 07/01/26)		25		23,226
Duke Energy Corp.
2.65%, 09/01/26 (Call 06/01/26)		10		9,175
3.15%, 08/15/27 (Call 05/15/27)		10		9,469
Duke Energy Progress LLC
3.25%, 08/15/25 (Call 05/15/25)		25		24,738
Dynegy Inc.
8.13%, 01/30/26 (Call 07/30/20)^b,c		25		27,426
Electricite de France SA
3.63%, 10/13/25 (Call 07/13/25)^b		25		24,937
Entergy Arkansas Inc.
3.70%, 06/01/24 (Call 03/01/24)		25		25,505
Exelon Corp.
3.95%, 06/15/25 (Call 03/15/25)		30		30,331
FirstEnergy Corp.
Series B
3.90%, 07/15/27 (Call 04/15/27)		10		9,885
4.25%, 03/15/23 (Call 12/15/22)		25		25,733


Security	Principal (000s)		Value
NextEra Energy Capital Holdings Inc.
3.55%, 05/01/27 (Call 02/01/27)	$	10	$	9,792
NRG Energy Inc.
7.25%, 05/15/26 (Call 05/15/21)		25		26,682
Pacific Gas & Electric Co.
3.50%, 06/15/25 (Call 03/15/25)		5		4,894
San Diego Gas & Electric Co.
2.50%, 05/15/26 (Call 02/15/26)		25		23,285
Southern Co. (The)
2.95%, 07/01/23 (Call 05/01/23)		30		29,132
3.25%, 07/01/26 (Call 04/01/26)		25		23,803
Southwestern Electric Power Co. Series K
2.75%, 10/01/26 (Call 07/01/26)		5		4,663
Talen Energy Supply LLC
10.50%, 01/15/26 (Call 01/15/22)^b		10		9,378
Three Gorges Finance I Cayman Islands Ltd.
3.70%, 06/10/25^f		200		198,832
Virginia Electric & Power Co.
3.10%, 05/15/25 (Call 02/15/25)		25		24,412

				866,604
ELECTRICAL COMPONENTS & EQUIPMENT — 0.02%
Hubbell Inc.
3.15%, 08/15/27 (Call 05/15/27)		10		9,528

				9,528
ELECTRONICS — 0.10%
Flex Ltd.
5.00%, 02/15/23		5		5,271
Fortive Corp.
3.15%, 06/15/26 (Call 03/15/26)		10		9,672
Honeywell International Inc.
2.50%, 11/01/26 (Call 08/01/26)		25		23,107

				38,050
ENTERTAINMENT — 0.07%
Regal Entertainment Group
5.75%, 02/01/25 (Call 02/01/19)		25		25,718

				25,718
FOOD — 0.62%
Albertsons Companies LLC/Safeway Inc./New Albertson’s Inc./Albertson’s LLC
6.63%, 06/15/24 (Call 06/15/19)		25		23,025


Security	Principal (000s)		Value
Kellogg Co.
3.40%, 11/15/27 (Call 08/15/27)	$	100	$	95,557
Kraft Heinz Foods Co.
3.00%, 06/01/26 (Call 03/01/26)		25		23,011
3.95%, 07/15/25 (Call 04/15/25)		10		9,898
4.88%, 02/15/25 (Call 02/15/20)^b		5		5,227
Kroger Co. (The)
3.70%, 08/01/27 (Call 05/01/27)		10		9,690
Lamb Weston Holdings Inc.
4.63%, 11/01/24 (Call 11/01/21)^b		25		25,130
McCormick & Co. Inc./MD
3.15%, 08/15/24 (Call 06/15/24)		10		9,800
Post Holdings Inc.
5.75%, 03/01/27 (Call 03/01/22)^b		25		24,797
Sysco Corp.
3.30%, 07/15/26 (Call 04/15/26)		10		9,732
Tyson Foods Inc.
3.55%, 06/02/27 (Call 03/02/27)		5		4,872

				240,739
FOREST PRODUCTS & PAPER — 0.04%
Fibria Overseas Finance Ltd.
5.50%, 01/17/27		10		10,526
International Paper Co.
3.65%, 06/15/24 (Call 03/15/24)		5		5,043

				15,569
GAS — 0.17%
AmeriGas Partners LP/AmeriGas Finance Corp.
5.50%, 05/20/25 (Call 02/20/25)		25		24,811
Boston Gas Co.
3.15%, 08/01/27 (Call 05/01/27)^b		10		9,614
NiSource Inc.
3.49%, 05/15/27 (Call 02/15/27)		10		9,793
Sempra Energy
3.55%, 06/15/24 (Call 03/15/24)		10		9,988
Southern Co. Gas Capital Corp.
2.45%, 10/01/23 (Call 08/01/23)		10		9,451

				63,657
HEALTH CARE – PRODUCTS — 0.34%
Abbott Laboratories
3.75%, 11/30/26 (Call 08/30/26)		25		24,761


Security	Principal (000s)		Value
Becton Dickinson and Co.
3.70%, 06/06/27 (Call 03/06/27)	$	5	$	4,793
3.73%, 12/15/24 (Call 09/15/24)		5		4,928
Boston Scientific Corp.
4.00%, 03/01/28 (Call 12/01/27)		25		24,928
Medtronic Inc.
3.50%, 03/15/25		5		4,995
Stryker Corp.
3.50%, 03/15/26 (Call 12/15/25)		5		4,986
Thermo Fisher Scientific Inc.
2.95%, 09/19/26 (Call 06/19/26)		25		23,372
3.20%, 08/15/27 (Call 05/15/27)		10		9,501
4.15%, 02/01/24 (Call 11/01/23)		5		5,153
Zimmer Biomet Holdings Inc.
3.55%, 04/01/25 (Call 01/01/25)		25		24,283

				131,700
HEALTH CARE – SERVICES — 0.70%
Aetna Inc.
2.80%, 06/15/23 (Call 04/15/23)		10		9,592
Anthem Inc.
3.50%, 08/15/24 (Call 05/15/24)		5		4,949
Centene Corp.
4.75%, 01/15/25 (Call 01/15/20)		25		24,874
CHS/Community Health Systems Inc.
6.25%, 03/31/23 (Call 03/31/20)		25		22,664
Cigna Corp.
3.05%, 10/15/27 (Call 07/15/27)		10		9,251
3.25%, 04/15/25 (Call 01/15/25)		5		4,810
DaVita Inc.
5.13%, 07/15/24 (Call 07/15/19)		25		24,790
Encompass Health Corp.
5.75%, 09/15/25 (Call 09/15/20)		25		25,485
Envision Healthcare Corp.
6.25%, 12/01/24 (Call 12/01/19)^b		25		26,199
HCA Inc.
5.38%, 02/01/25		50		50,853
Laboratory Corp. of America Holdings
3.25%, 09/01/24 (Call 07/01/24)		10		9,739
LifePoint Health Inc.
5.38%, 05/01/24 (Call 05/01/19)		25		24,284
Tenet Healthcare Corp.
4.63%, 07/15/24 (Call 07/15/20)^b		25		24,000


Security	Principal (000s)		Value
UnitedHealth Group Inc.
3.75%, 07/15/25	$	10	$	10,140

				271,630
HOLDING COMPANIES – DIVERSIFIED — 0.07%
Leucadia National Corp.
5.50%, 10/18/23 (Call 01/18/23)		25		26,244

				26,244
HOME BUILDERS — 0.13%
Lennar Corp.
4.75%, 05/30/25 (Call 02/28/25)		25		24,982
5.25%, 06/01/26 (Call 12/01/25)^b		25		25,510

				50,492
HOME FURNISHINGS — 0.06%
Leggett & Platt Inc.
3.50%, 11/15/27 (Call 08/15/27)		25		24,060

				24,060
HOUSEHOLD PRODUCTS & WARES — 0.09%
Church & Dwight Co. Inc.
3.15%, 08/01/27 (Call 05/01/27)		10		9,428
Spectrum Brands Inc.
5.75%, 07/15/25 (Call 07/15/20)		25		25,848

				35,276
HOUSEWARES — 0.08%
Newell Brands Inc.
3.85%, 04/01/23 (Call 02/01/23)		25		24,907
4.20%, 04/01/26 (Call 01/01/26)		5		4,949

				29,856
INSURANCE — 0.90%
Acrisure LLC/Acrisure Finance Inc.
7.00%, 11/15/25 (Call 11/15/20)^b		10		9,801
Aflac Inc.
3.63%, 11/15/24		25		25,207
Allstate Corp. (The) (3 mo. LIBOR US + 2.938%)
5.75%, 08/15/53 (Call 08/15/23)^d		25		26,756
American International Group Inc.
3.90%, 04/01/26 (Call 01/01/26)		35		34,915
4.13%, 02/15/24		5		5,123
Aon PLC
3.88%, 12/15/25 (Call 09/15/25)		25		25,303
AXIS Specialty Finance PLC
4.00%, 12/06/27 (Call 09/06/27)		25		24,397


Security	Principal (000s)		Value
Berkshire Hathaway Inc.
2.75%, 03/15/23 (Call 01/15/23)	$	5	$	4,922
3.13%, 03/15/26 (Call 12/15/25)		25		24,353
CNA Financial Corp.
3.45%, 08/15/27 (Call 05/10/27)		25		23,827
Lincoln National Corp.
3.63%, 12/12/26 (Call 09/15/26)		5		4,948
Manulife Financial Corp.
4.15%, 03/04/26		25		25,569
Mercury General Corp.
4.40%, 03/15/27 (Call 12/15/26)		5		4,969
MetLife Inc.
3.60%, 04/10/24		5		5,017
Series D
4.37%, 09/15/23		25		26,241
New York Life Global Funding
3.00%, 01/10/28^b		25		23,859
Prudential Financial Inc. (3 mo. LIBOR US + 3.920%)
5.63%, 06/15/43 (Call 06/15/23)^d		50		53,030

				348,237
INTERNET — 0.32%
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)		5		4,540
3.38%, 02/25/24		5		5,095
Amazon.com Inc.
3.80%, 12/05/24 (Call 09/05/24)		5		5,134
Booking Holdings Inc.
2.75%, 03/15/23 (Call 02/15/23)		10		9,688
Expedia Inc.
4.50%, 08/15/24 (Call 05/15/24)		25		25,296
Netflix Inc.
4.38%, 11/15/26^c		25		24,113
VeriSign Inc.
4.75%, 07/15/27 (Call 07/15/22)		25		24,479
Zayo Group LLC/Zayo Capital Inc.
6.38%, 05/15/25 (Call 05/15/20)		25		26,091

				124,436
IRON & STEEL — 0.14%
ArcelorMittal
6.13%, 06/01/25		25		27,587
Vale Overseas Ltd.
6.25%, 08/10/26		25		28,217

				55,804


Security	Principal (000s)		Value
LODGING — 0.09%
Wyndham Worldwide Corp.
3.90%, 03/01/23 (Call 12/01/22)	$	10	$	9,746
Wynn Las Vegas LLC/Wynn Las Vegas Capital Corp.
5.50%, 03/01/25 (Call 12/01/24)^b		25		25,343

				35,089
MACHINERY — 0.11%
BlueLine Rental Finance Corp./BlueLine Rental LLC
9.25%, 03/15/24 (Call 03/15/20)^b		25		27,010
John Deere Capital Corp.
2.80%, 03/06/23		15		14,705

				41,715
MANUFACTURING — 0.21%
3M Co.
2.88%, 10/15/27 (Call 07/15/27)		25		23,879
3.00%, 08/07/25		5		4,912
General Electric Co.
3.45%, 05/15/24 (Call 02/13/24)		25		24,627
Illinois Tool Works Inc.
2.65%, 11/15/26 (Call 08/15/26)		5		4,696
Textron Inc.
3.65%, 03/15/27 (Call 12/15/26)		25		24,579

				82,693
MEDIA — 1.26%
AMC Networks Inc.
5.00%, 04/01/24 (Call 04/01/20)		25		25,056
CBS Corp.
2.90%, 01/15/27 (Call 10/15/26)		25		22,812
CCO Holdings LLC/CCO Holdings Capital Corp.
5.13%, 05/01/27 (Call 05/01/22)^b		25		24,052
5.75%, 02/15/26 (Call 02/15/21)^b		25		25,330
5.88%, 04/01/24 (Call 04/01/19)^b		25		25,827
Charter Communications Operating LLC/Charter Communications Operating Capital
4.91%, 07/23/25 (Call 04/23/25)		30		30,830
Comcast Corp.
2.35%, 01/15/27 (Call 10/15/26)		10		8,976
3.15%, 03/01/26 (Call 12/01/25)		25		24,115
3.60%, 03/01/24		5		5,047


Security	Principal (000s)		Value
CSC Holdings LLC
5.25%, 06/01/24	$	100	$	96,273
Discovery Communications LLC
4.90%, 03/11/26 (Call 12/11/25)		25		25,958
DISH DBS Corp.
5.88%, 11/15/24		25		23,437
Scripps Networks Interactive Inc.
3.90%, 11/15/24 (Call 08/15/24)		5		4,963
Sirius XM Radio Inc.
6.00%, 07/15/24 (Call 07/15/19)^b		25		26,232
Time Warner Inc.
3.60%, 07/15/25 (Call 04/15/25)		25		24,330
3.80%, 02/15/27 (Call 11/15/26)		10		9,713
4.05%, 12/15/23		5		5,124
Univision Communications Inc.
5.13%, 05/15/23 (Call 05/15/18)^b		25		23,686
Viacom Inc.
4.25%, 09/01/23 (Call 06/01/23)		25		25,636
Walt Disney Co. (The)
1.85%, 07/30/26		25		22,225
3.15%, 09/17/25		5		4,950

				484,572
METAL FABRICATE & HARDWARE — 0.09%
Novelis Corp.
5.88%, 09/30/26 (Call 09/30/21)^b		25		25,203
Precision Castparts Corp.
3.25%, 06/15/25 (Call 03/15/25)		10		9,941

				35,144
MINING — 0.23%
Freeport-McMoRan Inc.
4.55%, 11/14/24 (Call 08/14/24)		25		24,486
Goldcorp Inc.
3.70%, 03/15/23 (Call 12/15/22)		5		5,029
Rio Tinto Finance USA Ltd.
3.75%, 06/15/25 (Call 03/15/25)		5		5,096
Teck Resources Ltd.
8.50%, 06/01/24 (Call 06/01/19)^b		25		27,838
Yamana Gold Inc.
4.63%, 12/15/27 (Call 09/15/27)^b		25		24,515

				86,964
OFFICE & BUSINESS EQUIPMENT — 0.02%
Pitney Bowes Inc.
4.63%, 03/15/24 (Call 12/15/23)		10		9,313

				9,313


Security	Principal (000s)		Value
OIL & GAS — 2.22%
Anadarko Petroleum Corp.
3.45%, 07/15/24 (Call 04/15/24)	$	25	$	24,414
5.55%, 03/15/26 (Call 12/15/25)^c		5		5,451
Antero Resources Corp.
5.00%, 03/01/25 (Call 03/01/20)		25		25,212
BP Capital Markets PLC
3.02%, 01/16/27 (Call 10/16/26)		25		23,838
3.22%, 11/28/23 (Call 09/28/23)		5		4,969
Canadian Natural Resources Ltd.
3.85%, 06/01/27 (Call 03/01/27)		5		4,910
Chesapeake Energy Corp.
8.00%, 12/15/22 (Call 12/15/18)^b		19		20,207
Chevron Corp.
2.95%, 05/16/26 (Call 02/16/26)		25		23,996
CNOOC Nexen Finance 2014 ULC
4.25%, 04/30/24		200		204,472
Continental Resources Inc./OK
4.50%, 04/15/23 (Call 01/15/23)		25		25,248
Ecopetrol SA
4.13%, 01/16/25		100		98,082
Exxon Mobil Corp.
3.04%, 03/01/26 (Call 12/01/25)		25		24,410
Gulfport Energy Corp.
6.38%, 05/15/25 (Call 05/15/20)		25		24,646
Marathon Oil Corp.
4.40%, 07/15/27 (Call 04/15/27)		25		25,394
MEG Energy Corp.
7.00%, 03/31/24 (Call 09/30/18)^b		25		21,252
Newfield Exploration Co.
5.63%, 07/01/24^c		25		26,399
Parsley Energy LLC/Parsley Finance Corp.
5.38%, 01/15/25 (Call 01/15/20)^b		25		24,875
PBF Holding Co. LLC/PBF Finance Corp.
7.25%, 06/15/25 (Call 06/15/20)		25		25,982
Petrobras Global Finance BV
6.25%, 03/17/24		75		78,340
Petroleos de Venezuela SA
6.00%, 05/16/24^f,g		15		3,788
9.00%, 11/17/21^f,g		15		4,256
Range Resources Corp.
4.88%, 05/15/25 (Call 02/15/25)^c		25		23,943


Security	Principal (000s)		Value
Rowan Companies Inc.
4.75%, 01/15/24 (Call 10/15/23)	$	25	$	21,881
Shell International Finance BV
3.40%, 08/12/23		5		5,050
SM Energy Co.
5.00%, 01/15/24 (Call 07/15/18)		25		23,753
Statoil ASA
3.25%, 11/10/24		25		24,780
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)		5		4,996
Transocean Inc.
9.00%, 07/15/23 (Call 07/15/20)^b		25		26,994
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)		5		4,791

				856,329
OIL & GAS SERVICES — 0.09%
Halliburton Co.
3.80%, 11/15/25 (Call 08/15/25)		25		25,038
Schlumberger Holdings Corp.
4.00%, 12/21/25 (Call 09/21/25)^b		10		10,158

				35,196
PACKAGING & CONTAINERS — 0.33%
Ball Corp.
4.00%, 11/15/23		25		24,784
BWAY Holding Co.
5.50%, 04/15/24 (Call 04/15/20)^b		25		25,518
Owens-Brockway Glass Container Inc.
5.88%, 08/15/23^b		25		26,001
Reynolds Group Issuer Inc./Reynolds Group Issuer LLC/Reynolds Group Issuer Lu
5.13%, 07/15/23 (Call 07/15/19)^b		25		25,475
WestRock Co.
3.00%, 09/15/24 (Call 07/15/24)^b		25		24,094

				125,872
PHARMACEUTICALS — 1.18%
AbbVie Inc.
3.60%, 05/14/25 (Call 02/14/25)		25		24,753
Allergan Funding SCS
3.80%, 03/15/25 (Call 12/15/24)		25		24,662
Allergan Inc./U.S.
2.80%, 03/15/23 (Call 12/15/22)		25		24,088


Security	Principal (000s)		Value
AstraZeneca PLC
3.38%, 11/16/25	$	5	$	4,912
Cardinal Health Inc.
3.08%, 06/15/24 (Call 04/15/24)		5		4,792
CVS Health Corp.
2.88%, 06/01/26 (Call 03/01/26)		25		22,824
3.88%, 07/20/25 (Call 04/20/25)		5		4,941
Endo Finance LLC/Endo Finco Inc.
5.38%, 01/15/23 (Call 07/15/18)^b		25		19,066
Express Scripts Holding Co.
3.00%, 07/15/23 (Call 05/15/23)		25		24,115
3.40%, 03/01/27 (Call 12/01/26)		5		4,738
Johnson & Johnson
2.63%, 01/15/25 (Call 11/15/24)		5		4,835
2.95%, 03/03/27 (Call 12/03/26)		5		4,856
3.38%, 12/05/23		50		51,040
McKesson Corp.
3.80%, 03/15/24 (Call 12/15/23)		5		5,053
Merck & Co. Inc.
2.75%, 02/10/25 (Call 11/10/24)		25		24,142
2.80%, 05/18/23		5		4,947
Mylan NV
3.95%, 06/15/26 (Call 03/15/26)		25		24,238
Novartis Capital Corp.
3.40%, 05/06/24		25		25,274
Pfizer Inc.
3.00%, 12/15/26		5		4,841
5.80%, 08/12/23		25		28,328
Shire Acquisitions Investments Ireland DAC
3.20%, 09/23/26 (Call 06/23/26)		25		23,284
Teva Pharmaceutical Finance Netherlands III BV
2.80%, 07/21/23		25		21,897
Valeant Pharmaceuticals International Inc.
6.13%, 04/15/25 (Call 04/15/20)^b		25		21,987
7.00%, 03/15/24 (Call 03/15/20)^b		25		26,384
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)		25		23,480

				453,477


Security	Principal (000s)		Value
PIPELINES — 1.07%
Colorado Interstate Gas Co. LLC/Colorado Interstate Issuing Corp.
4.15%, 08/15/26 (Call 05/15/26)^b	$	25	$	24,315
Crestwood Midstream Partners LP/Crestwood Midstream Finance Corp.
5.75%, 04/01/25 (Call 04/01/20)		25		25,325
Enable Midstream Partners LP
4.40%, 03/15/27 (Call 12/15/26)		5		4,931
Enbridge Inc.
3.50%, 06/10/24 (Call 03/10/24)		3		2,951
Energy Transfer Equity LP
5.88%, 01/15/24 (Call 10/15/23)		25		26,435
Energy Transfer LP
4.05%, 03/15/25 (Call 12/15/24)		25		24,604
Energy Transfer LP/Regency Energy Finance Corp.
4.50%, 11/01/23 (Call 08/01/23)		5		5,079
Enterprise Products Operating LLC
3.35%, 03/15/23 (Call 12/15/22)		5		4,989
3.90%, 02/15/24 (Call 11/15/23)		25		25,420
Genesis Energy LP/Genesis Energy Finance Corp.
6.00%, 05/15/23 (Call 05/15/18)		25		24,925
MPLX LP
4.88%, 12/01/24 (Call 09/01/24)		10		10,540
4.88%, 06/01/25 (Call 03/01/25)		25		26,259
NGPL PipeCo LLC
4.88%, 08/15/27 (Call 02/15/27)^b		25		25,242
Plains All American Pipeline LP/PAA Finance Corp.
3.85%, 10/15/23 (Call 07/15/23)		25		24,626
4.65%, 10/15/25 (Call 07/15/25)		5		5,034
Sabine Pass Liquefaction LLC
5.00%, 03/15/27 (Call 09/15/26)		5		5,193
5.63%, 03/01/25 (Call 12/01/24)		25		26,907
5.88%, 06/30/26 (Call 12/31/25)		10		10,930
Sunoco Logistics Partners Operations LP
5.95%, 12/01/25 (Call 09/01/25)		25		27,286
Targa Resources Partners LP/Targa Resources Partners Finance Corp.
4.25%, 11/15/23 (Call 05/15/18)		25		24,377


Security	Principal (000s)		Value
Williams Companies Inc. (The)
4.55%, 06/24/24 (Call 03/24/24)	$	25	$	25,191
Williams Partners LP
3.90%, 01/15/25 (Call 10/15/24)		25		24,837
Williams Partners LP/ACMP Finance Corp.
4.88%, 03/15/24 (Call 03/28/18)		5		5,227

				410,623
PRIVATE EQUITY — 0.07%
Apollo Management Holdings LP
4.40%, 05/27/26 (Call 02/27/26)^b		25		25,496

				25,496
REAL ESTATE — 0.16%
CBRE Services Inc.
5.00%, 03/15/23 (Call 03/15/18)		25		25,628
Howard Hughes Corp. (The)
5.38%, 03/15/25 (Call 03/15/20)^b		25		24,623
Prologis LP
3.75%, 11/01/25 (Call 08/01/25)		5		5,084
4.25%, 08/15/23 (Call 05/15/23)		5		5,227

				60,562
REAL ESTATE INVESTMENT TRUSTS — 1.51%
American Campus Communities Operating Partnership LP
4.13%, 07/01/24 (Call 04/01/24)		25		25,310
American Tower Corp.
3.55%, 07/15/27 (Call 04/15/27)		5		4,763
AvalonBay Communities Inc.
3.50%, 11/15/24 (Call 08/15/24)		25		25,053
Boston Properties LP
3.80%, 02/01/24 (Call 11/01/23)		25		25,385
Brixmor Operating Partnership LP
4.13%, 06/15/26 (Call 03/15/26)		25		24,573
CBL & Associates LP
5.25%, 12/01/23 (Call 09/01/23)		10		8,494
Crown Castle International Corp.
3.65%, 09/01/27 (Call 06/01/27)		5		4,788
EPR Properties
4.75%, 12/15/26 (Call 09/15/26)		5		5,010
Equinix Inc.
5.88%, 01/15/26 (Call 01/15/21)		25		26,190
ERP Operating LP
3.25%, 08/01/27 (Call 05/01/27)		10		9,661


Security	Principal (000s)		Value
Essex Portfolio LP
3.38%, 04/15/26 (Call 01/15/26)	$	25	$	24,102
HCP Inc.
3.88%, 08/15/24 (Call 05/17/24)		5		5,010
4.00%, 06/01/25 (Call 03/01/25)		5		5,018
4.25%, 11/15/23 (Call 08/15/23)		25		25,752
Hospitality Properties Trust
4.50%, 03/15/25 (Call 09/15/24)		25		25,182
Host Hotels & Resorts LP
4.00%, 06/15/25 (Call 03/15/25)		25		24,766
Kilroy Realty LP
3.45%, 12/15/24 (Call 09/15/24)		25		24,281
Kimco Realty Corp.
3.30%, 02/01/25 (Call 12/01/24)		10		9,634
Kite Realty Group LP
4.00%, 10/01/26 (Call 07/01/26)		25		23,220
MGM Growth Properties Operating Partnership LP/MGP Finance Co-Issuer Inc.
5.63%, 05/01/24 (Call 02/01/24)		25		25,884
Mid-America Apartments LP
4.00%, 11/15/25 (Call 08/15/25)		2		2,007
Omega Healthcare Investors Inc.
4.38%, 08/01/23 (Call 06/01/23)		5		4,988
4.50%, 01/15/25 (Call 10/15/24)		10		9,730
4.50%, 04/01/27 (Call 01/01/27)^c		5		4,777
5.25%, 01/15/26 (Call 10/15/25)		25		25,271
Realty Income Corp.
4.13%, 10/15/26 (Call 07/15/26)		25		25,332
4.65%, 08/01/23 (Call 05/01/23)		5		5,266
Regency Centers LP
3.60%, 02/01/27 (Call 11/01/26)		5		4,816
SBA Communications Corp.
4.88%, 09/01/24 (Call 09/01/19)		25		24,668
Simon Property Group LP
3.38%, 10/01/24 (Call 07/01/24)		10		9,932
Uniti Group LP/Uniti Group Finance Inc./CSL Capital LLC
8.25%, 10/15/23 (Call 04/15/19)		25		23,507
Ventas Realty LP
3.25%, 10/15/26 (Call 07/15/26)		5		4,728
3.50%, 02/01/25 (Call 11/01/24)		50		49,005
VEREIT Operating Partnership LP
3.95%, 08/15/27 (Call 05/15/27)		10		9,491


Security	Principal (000s)		Value
Welltower Inc.
4.00%, 06/01/25 (Call 03/01/25)	$	25	$	25,190

				580,784
RETAIL — 0.92%
1011778 BC ULC/New Red Finance Inc.
4.25%, 05/15/24 (Call 05/15/20)^b		25		24,015
Advance Auto Parts Inc.
4.50%, 12/01/23 (Call 09/01/23)		10		10,330
Costco Wholesale Corp.
3.00%, 05/18/27 (Call 02/18/27)		5		4,831
Golden Nugget Inc.
6.75%, 10/15/24 (Call 10/15/19)^b		25		25,616
Home Depot Inc. (The)
2.70%, 04/01/23 (Call 01/01/23)		5		4,909
2.80%, 09/14/27 (Call 06/14/27)		5		4,712
3.35%, 09/15/25 (Call 06/15/25)		25		24,854
KFC Holding Co./Pizza Hut Holdings LLC/Taco Bell of America LLC
5.25%, 06/01/26 (Call 06/01/21)^b		25		25,357
Kohl’s Corp.
4.25%, 07/17/25 (Call 04/17/25)		25		25,416
Lowe’s Companies Inc.
3.10%, 05/03/27 (Call 02/03/27)		5		4,793
3.38%, 09/15/25 (Call 06/15/25)		25		24,682
McDonald’s Corp.
3.38%, 05/26/25 (Call 02/26/25)		10		9,898
3.70%, 01/30/26 (Call 10/30/25)		25		25,044
PetSmart Inc.
5.88%, 06/01/25 (Call 06/01/20)^b		25		19,454
QVC Inc.
4.38%, 03/15/23		5		4,995
4.85%, 04/01/24		10		10,140
Sally Holdings LLC/Sally Capital Inc.
5.63%, 12/01/25 (Call 12/01/20)^c		25		25,122
Suburban Propane Partners LP/Suburban Energy Finance Corp.
5.50%, 06/01/24 (Call 06/01/19)		25		24,402
Walgreens Boots Alliance Inc.
3.45%, 06/01/26 (Call 03/01/26)		5		4,737
3.80%, 11/18/24 (Call 08/18/24)		25		24,836
Walmart Inc.
2.55%, 04/11/23 (Call 01/11/23)		25		24,488

				352,631


Security	Principal (000s)		Value
SEMICONDUCTORS — 0.40%
Analog Devices Inc.
3.90%, 12/15/25 (Call 09/15/25)	$	5	$	5,064
Broadcom Corp./Broadcom Cayman Finance Ltd.
3.13%, 01/15/25 (Call 11/15/24)		5		4,677
3.63%, 01/15/24 (Call 11/15/23)		5		4,884
3.88%, 01/15/27 (Call 10/15/26)		25		24,005
Intel Corp.
2.60%, 05/19/26 (Call 02/19/26)		25		23,557
3.70%, 07/29/25 (Call 04/29/25)		5		5,099
Micron Technology Inc.
5.50%, 02/01/25 (Call 08/01/19)		25		26,005
QUALCOMM Inc.
3.25%, 05/20/27 (Call 02/20/27)		25		23,395
3.45%, 05/20/25 (Call 02/20/25)		5		4,843
Sensata Technologies BV
5.00%, 10/01/25^b		25		25,214
Texas Instruments Inc.
2.90%, 11/03/27 (Call 08/03/27)		5		4,796
Xilinx Inc.
2.95%, 06/01/24 (Call 04/01/24)		3		2,905

				154,444
SHIPBUILDING — 0.06%
Huntington Ingalls Industries Inc.
3.48%, 12/01/27 (Call 09/01/27)^b		25		24,260

				24,260
SOFTWARE — 0.65%
Activision Blizzard Inc.
3.40%, 09/15/26 (Call 06/15/26)		5		4,883
Autodesk Inc.
3.50%, 06/15/27 (Call 03/15/27)		5		4,767
Change Healthcare Holdings LLC/Change Healthcare Finance Inc.
5.75%, 03/01/25 (Call 03/01/20)^b		25		25,026
Fidelity National Information Services Inc.
3.00%, 08/15/26 (Call 05/15/26)		5		4,676
3.50%, 04/15/23 (Call 01/15/23)		25		25,052
First Data Corp.
7.00%, 12/01/23 (Call 12/01/18)^b		25		26,244
Fiserv Inc.
3.85%, 06/01/25 (Call 03/01/25)		10		10,094


Security	Principal (000s)		Value
Microsoft Corp.
3.13%, 11/03/25 (Call 08/03/25)	$	25	$	24,680
3.30%, 02/06/27 (Call 11/06/26)		5		4,955
3.63%, 12/15/23 (Call 09/15/23)		50		51,350
Oracle Corp.
2.40%, 09/15/23 (Call 07/15/23)		25		23,857
Solera LLC/Solera Finance Inc.
10.50%, 03/01/24 (Call 03/01/19)^b		30		33,695
VMware Inc.
3.90%, 08/21/27 (Call 05/21/27)		10		9,503

				248,782
TELECOMMUNICATIONS — 1.51%
AT&T Inc.
3.80%, 03/01/24 (Call 01/01/24)		25		25,051
4.13%, 02/17/26 (Call 11/17/25)		25		25,013
Bharti Airtel International Netherlands BV
5.35%, 05/20/24^f		200		209,930
CenturyLink Inc. Series Y
7.50%, 04/01/24 (Call 01/01/24)^c		25		25,244
Cisco Systems Inc.
3.50%, 06/15/25		25		25,378
3.63%, 03/04/24		5		5,119
CommScope Technologies LLC
6.00%, 06/15/25 (Call 06/15/20)^b		25		25,868
Frontier Communications Corp.
11.00%, 09/15/25 (Call 06/15/25)		25		19,594
Hughes Satellite Systems Corp.
5.25%, 08/01/26		25		24,664
Intelsat Jackson Holdings SA
8.00%, 02/15/24 (Call 02/15/19)^b		25		26,234
Juniper Networks Inc.
4.50%, 03/15/24		10		10,294
Level 3 Financing Inc.
5.38%, 01/15/24 (Call 01/15/19)		25		24,881
Sprint Corp.
7.88%, 09/15/23		50		51,626
T-Mobile USA Inc.
6.50%, 01/15/26 (Call 01/15/21)		25		26,816
Verizon Communications Inc.
2.63%, 08/15/26		5		4,557
4.13%, 03/16/27		25		25,389


Security	Principal (000s)		Value
5.15%, 09/15/23	$	25	$	27,089

				582,747
TEXTILES — 0.06%
Cintas Corp. No. 2
3.70%, 04/01/27 (Call 01/01/27)		25		24,981

				24,981
TRANSPORTATION — 0.27%
Burlington Northern Santa Fe LLC
3.00%, 03/15/23 (Call 12/15/22)		5		4,974
3.00%, 04/01/25 (Call 01/01/25)		10		9,760
3.65%, 09/01/25 (Call 06/01/25)		25		25,338
Canadian Pacific Railway Co.
2.90%, 02/01/25 (Call 11/01/24)		10		9,612
CSX Corp.
3.25%, 06/01/27 (Call 03/01/27)		5		4,779
FedEx Corp.
3.20%, 02/01/25		25		24,528
Union Pacific Corp.
2.75%, 03/01/26 (Call 12/01/25)		25		23,804

				102,795
TRUCKING & LEASING — 0.07%
Park Aerospace Holdings Ltd.
5.50%, 02/15/24^b		25		25,153

				25,153

TOTAL CORPORATE BONDS & NOTES
(Cost: $10,875,514)				10,589,366

FOREIGN GOVERNMENT OBLIGATIONS^h — 4.41%

ARGENTINA — 0.42%
Argentine Republic Government International Bond
7.50%, 04/22/26		150		160,071

				160,071
BRAZIL — 0.52%
Brazilian Government International Bond
4.25%, 01/07/25		200		199,636

				199,636
CANADA — 0.16%
Province of British Columbia Canada
2.25%, 06/02/26		5		4,669


Security	Principal (000s)		Value
Province of Ontario Canada
3.20%, 05/16/24	$	5	$	5,012
Province of Quebec Canada
2.75%, 04/12/27		5		4,808
2.88%, 10/16/24		50		49,179

				63,668
DOMINICAN REPUBLIC — 0.27%
Dominican Republic International Bond
5.95%, 01/25/27^f		100		105,926

				105,926
INDONESIA — 0.54%
Indonesia Government International Bond
4.75%, 01/08/26^f		200		208,422

				208,422
ITALY — 0.09%
Republic of Italy Government International Bond
6.88%, 09/27/23		30		34,924

				34,924
MEXICO — 0.51%
Mexico Government International Bond
3.60%, 01/30/25		200		196,160

				196,160
PERU — 0.22%
Peruvian Government International Bond
4.13%, 08/25/27^c		80		83,084

				83,084
RUSSIA — 0.55%
Russian Foreign Bond-Eurobond
4.88%, 09/16/23^f		200		212,740

				212,740
SOUTH AFRICA — 0.26%
Republic of South Africa Government International Bond
4.67%, 01/17/24		100		101,265

				101,265
SUPRANATIONAL — 0.56%
Asian Development Bank
2.00%, 01/22/25		25		23,532
2.00%, 04/24/26		10		9,289


Security	Principal (000s)		Value
2.63%, 01/12/27^c	$	5	$	4,846
2.75%, 01/19/28		20		19,541
European Investment Bank
1.88%, 02/10/25		5		4,656
2.13%, 04/13/26		50		46,858
3.25%, 01/29/24		5		5,087
Inter-American Development Bank
2.13%, 01/15/25		25		23,718
2.38%, 07/07/27		5		4,735
3.00%, 02/21/24		25		25,111
International Bank for Reconstruction & Development
2.13%, 03/03/25		25		23,735
2.50%, 07/29/25		25		24,228

				215,336
TURKEY — 0.29%
Turkey Government International Bond
7.38%, 02/05/25		100		112,251

				112,251
VENEZUELA — 0.02%
Venezuela Government International Bond
7.65%, 04/21/25^f,g		15		4,012
9.00%, 05/07/23^f,g		10		2,688

				6,700

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $1,743,333)				1,700,183

U.S. GOVERNMENT & AGENCY OBLIGATIONS — 65.18%

MORTGAGE-BACKED SECURITIES — 47.38%
Federal Home Loan Mortgage Corp.
2.50%, 03/01/48ⁱ		10		9,331
3.00%, 03/01/33ⁱ		125		124,414
3.00%, 03/01/48ⁱ		1,340		1,297,288
3.50%, 03/01/33ⁱ		50		50,844
3.50%, 04/01/47		211		210,340
3.50%, 07/01/47		24		23,625
3.50%, 09/01/47		596		595,287
3.50%, 03/01/48ⁱ		1,000		998,594
4.00%, 02/01/46		365		374,624
4.00%, 03/01/48ⁱ		700		716,953
4.50%, 03/01/48ⁱ		450		471,164


Security	Principal (000s)		Value
5.00%, 12/01/41	$	721	$	777,958
Federal National Mortgage Association
2.50%, 03/01/33ⁱ		25		24,375
2.50%, 03/01/48ⁱ		30		27,994
3.00%, 03/01/33ⁱ		225		223,981
3.00%, 03/01/48ⁱ		2,120		2,052,756
3.50%, 03/01/33ⁱ		200		203,281
3.50%, 08/01/46		1,025		1,025,957
3.50%, 03/01/48ⁱ		925		923,121
4.00%, 03/01/33ⁱ		75		76,699
4.00%, 07/01/46		1,268		1,301,805
4.00%, 03/01/48ⁱ		485		496,595
4.50%, 01/01/44		462		489,936
4.50%, 03/01/48ⁱ		50		52,336
5.00%, 03/01/48ⁱ		250		266,758
FHLMC Multifamily Structured Pass Through Certificates
Series K053, Class A2
3.00%, 12/25/25		88		86,719
Series K056, Class A2
2.53%, 05/25/26		35		33,249
Series K066, Class A2
3.12%, 06/25/27		100		98,590
Government National Mortgage Association
2.50%, 03/01/48ⁱ		70		66,205
3.00%, 03/01/48ⁱ		1,380		1,348,088
3.50%, 10/20/46		1,287		1,296,525
3.50%, 03/01/48ⁱ		1,400		1,407,656
4.00%, 03/01/48ⁱ		750		769,453
4.50%, 10/20/46		191		200,045
4.50%, 03/01/48ⁱ		125		129,941

				18,252,487
U.S. GOVERNMENT AGENCY OBLIGATIONS — 0.43%
Federal Home Loan Banks
2.75%, 12/13/24		50		49,529
Federal National Mortgage Association
2.13%, 04/24/26		125		117,037

				166,566
U.S. GOVERNMENT OBLIGATIONS — 17.37%
U.S. Treasury Note/Bond
1.25%, 07/31/23		300		278,226
1.38%, 08/31/23		300		279,752


Security	Principal or Shares (000s)		Value
1.50%, 03/31/23	$	400	$	377,999
1.50%, 08/15/26		125		112,183
1.63%, 11/15/22		100		95,562
1.63%, 05/31/23		350		331,996
1.63%, 10/31/23		50		47,166
1.63%, 05/15/26		300		272,988
1.75%, 01/31/23		200		191,768
2.00%, 11/30/22		100		97,164
2.00%, 04/30/24		375		358,963
2.00%, 02/15/25		300		284,671
2.00%, 08/15/25		250		236,173
2.00%, 11/15/26		175		163,220
2.25%, 01/31/24		300		292,018
2.25%, 11/15/24		150		144,979
2.25%, 12/31/24		600		579,638
2.25%, 02/15/27		75		71,263
2.25%, 08/15/27		150		142,114
2.25%, 11/15/27		530		501,473
2.38%, 08/15/24		300		292,906
2.38%, 05/15/27		175		167,855
2.75%, 11/15/23		300		300,601
2.75%, 02/15/28		100		98,983
6.00%, 02/15/26		200		245,493
6.50%, 11/15/26		60		76,919
6.63%, 02/15/27		350		455,098
6.75%, 08/15/26		150		194,340

				6,691,511

TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS
(Cost: $25,705,942)				25,110,564

SHORT-TERM INVESTMENTS — 32.46%

MONEY MARKET FUNDS — 32.46%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^e,j^,k		12,015		12,016,089
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^e,j,l		490		489,950

				12,506,039

TOTAL SHORT-TERM INVESTMENTS (Cost: $12,507,936)				12,506,039


	Value
TOTAL INVESTMENTS IN SECURITIES — 131.42% (Cost: $51,581,309)	$	50,631,778
Other Assets, Less Liabilities — (31.42)%		(12,105,323	)

NET ASSETS — 100.00%	$	38,526,455

^a	Variable or floating rate security, which interest rate adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets. Rate shown is the rate in effect as of period end.

^b	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^c	All or a portion of this security is on loan.

^d	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^e	Affiliate of the Fund.

^f	This security may be resold to qualified foreign investors and foreign institutional buyers under Regulation S of the Securities Act of 1933.

^g	Issuer is in default of interest payments.

^h	Investments are denominated in U.S. dollars.

ⁱ	To-be-announced (TBA). See Note 1.

^j	Annualized 7-day yield as of period end.

^k	All or a portion of this security represents an investment of TBA cash collateral.

^l	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 51.76%

ADVERTISING — 0.01%
WPP Finance 2010
5.13%, 09/07/42	$	10	$	10,367
5.63%, 11/15/43		15		16,669

				27,036
AEROSPACE & DEFENSE — 0.95%
Arconic Inc.
5.95%, 02/01/37		55		58,758
BAE Systems Holdings Inc.
4.75%, 10/07/44^a		25		26,932
Boeing Co. (The)
3.38%, 06/15/46 (Call 12/15/45)		10		9,114
3.65%, 03/01/47 (Call 09/01/46)		10		9,525
5.88%, 02/15/40		10		12,672
6.13%, 02/15/33		50		63,665
General Dynamics Corp.
3.60%, 11/15/42 (Call 05/15/42)		26		24,735
Harris Corp.
4.85%, 04/27/35 (Call 10/27/34)		15		16,041
5.05%, 04/27/45 (Call 10/27/44)		100		109,161
6.15%, 12/15/40		10		12,495
Leonardo U.S. Holdings Inc.
6.25%, 01/15/40^a		100		113,811
Lockheed Martin Corp.
3.60%, 03/01/35 (Call 09/01/34)		35		33,228
3.80%, 03/01/45 (Call 09/01/44)		58		54,579
4.07%, 12/15/42		143		141,094
4.09%, 09/15/52 (Call 03/15/52)		15		14,632
4.50%, 05/15/36 (Call 11/15/35)		45		47,795
4.70%, 05/15/46 (Call 11/15/45)		232		251,653
Series B
6.15%, 09/01/36		50		62,763
Northrop Grumman Corp.
3.85%, 04/15/45 (Call 10/15/44)		275		258,503
4.03%, 10/15/47 (Call 04/15/47)		113		108,679
4.75%, 06/01/43		3		3,235
Northrop Grumman Systems Corp.
7.75%, 02/15/31		25		33,843
Raytheon Co.
4.20%, 12/15/44 (Call 06/15/44)		10		10,528
4.88%, 10/15/40		26		29,843


Security	Principal (000s)		Value
Rockwell Collins Inc.
4.35%, 04/15/47 (Call 10/15/46)	$	59	$	58,609
4.80%, 12/15/43 (Call 06/15/43)		125		135,268
United Technologies Corp.
3.75%, 11/01/46 (Call 05/01/46)		105		96,412
4.15%, 05/15/45 (Call 11/16/44)		225		219,422
4.50%, 06/01/42		229		235,620
5.40%, 05/01/35		25		28,424
5.70%, 04/15/40		154		183,275
6.05%, 06/01/36		25		30,473
6.13%, 07/15/38		17		21,170
6.70%, 08/01/28		50		62,035

				2,577,992
AGRICULTURE — 0.90%
Altria Group Inc.
3.88%, 09/16/46 (Call 03/16/46)		75		69,542
4.25%, 08/09/42		163		161,052
4.50%, 05/02/43		30		30,576
5.38%, 01/31/44		317		363,355
Archer-Daniels-Midland Co.
4.02%, 04/16/43		200		193,416
BAT Capital Corp.
4.39%, 08/15/37 (Call 02/15/37)^a		22		21,758
4.54%, 08/15/47 (Call 02/15/47)^a		169		164,241
Philip Morris International Inc.
3.13%, 03/02/28 (Call 12/02/27)		75		71,666
3.88%, 08/21/42		44		41,339
4.13%, 03/04/43		305		296,734
4.25%, 11/10/44		80		79,871
4.38%, 11/15/41		144		145,492
4.50%, 03/20/42		75		77,011
4.88%, 11/15/43		35		37,844
6.38%, 05/16/38		15		19,424
Reynolds American Inc.
5.70%, 08/15/35 (Call 02/15/35)		458		521,470
5.85%, 08/15/45 (Call 02/15/45)		75		87,254
6.15%, 09/15/43		25		29,974
7.25%, 06/15/37		26		34,568

				2,446,587
AIRLINES — 0.01%
United Airlines Pass Through Trust
Series 2016-1, Class AA
3.10%, 01/07/30		34		32,834

				32,834


Security	Principal (000s)		Value
APPAREL — 0.04%
NIKE Inc.
3.38%, 11/01/46 (Call 05/01/46)	$	10	$	9,022
3.63%, 05/01/43 (Call 11/01/42)		25		23,694
3.88%, 11/01/45 (Call 05/01/45)		47		46,292
Nine West Holdings Inc.
6.13%, 11/15/34		10		813
VF Corp.
6.45%, 11/01/37		26		32,818

				112,639
AUTO MANUFACTURERS — 0.51%
Daimler Finance North America LLC
8.50%, 01/18/31		198		288,850
Ford Motor Co.
4.75%, 01/15/43		220		203,091
5.29%, 12/08/46 (Call 06/08/46)		205		201,480
6.63%, 10/01/28		25		28,882
7.40%, 11/01/46		25		31,793
7.45%, 07/16/31		60		73,329
General Motors Co.
5.00%, 04/01/35		153		153,401
5.15%, 04/01/38 (Call 10/01/37)		10		10,017
5.20%, 04/01/45		110		108,211
6.25%, 10/02/43		55		61,392
6.60%, 04/01/36 (Call 10/01/35)		31		35,980
6.75%, 04/01/46 (Call 10/01/45)		153		180,044

				1,376,470
AUTO PARTS & EQUIPMENT — 0.06%
BorgWarner Inc.
4.38%, 03/15/45 (Call 09/15/44)		125		122,445
Goodyear Tire & Rubber Co. (The)
7.00%, 03/15/28		25		27,428

				149,873
BANKS — 4.62%
BAC Capital Trust XI
6.63%, 05/23/36		25		30,981
Bank of America Corp.
4.88%, 04/01/44		70		77,470
5.00%, 01/21/44		151		170,195
5.88%, 02/07/42		35		43,695
6.11%, 01/29/37		125		150,801
7.75%, 05/14/38		200		285,644


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.814%)
4.24%, 04/24/38 (Call 04/24/37)^b	$	156	$	158,767
(3 mo. LIBOR US + 1.990%)
4.44%, 01/20/48 (Call 01/20/47)^b		183		189,863
Series L
4.75%, 04/21/45		50		52,896
Bank of America N.A.
6.00%, 10/15/36		250		308,937
Bank of New York Mellon Corp. (The)
3.00%, 10/30/28 (Call 07/30/28)		100		93,140
3.30%, 08/23/29 (Call 05/23/29)		101		95,998
Barclays PLC
4.84%, 05/09/28 (Call 05/07/27)		310		305,276
BNP Paribas SA
(3 mo. LIBOR US + 1.290%)
7.20% (Call 06/25/37)^a,b,c		100		113,285
Citigroup Inc.
4.13%, 07/25/28		221		219,413
4.65%, 07/30/45		167		178,615
4.75%, 05/18/46		130		133,124
5.30%, 05/06/44		164		181,792
6.13%, 08/25/36		100		118,770
6.63%, 06/15/32		78		95,949
6.68%, 09/13/43		20		26,224
8.13%, 07/15/39		161		245,287
(3 mo. LIBOR US + 1.839%)
4.28%, 04/24/48 (Call 04/24/47)^b		177		178,485
Commonwealth Bank of Australia
3.90%, 07/12/47^a		200		190,924
Cooperatieve Rabobank UA
5.25%, 05/24/41		110		130,222
5.25%, 08/04/45		250		277,455
Credit Suisse Group Funding Guernsey Ltd.
4.88%, 05/15/45		250		265,257
Dresdner Funding Trust I
8.15%, 06/30/31 (Call 06/30/29)^a		100		131,164
Fifth Third Bancorp.
8.25%, 03/01/38		77		112,259
Goldman Sachs Capital I
6.35%, 02/15/34		228		274,660
Goldman Sachs Group Inc. (The)
4.75%, 10/21/45 (Call 04/21/45)		100		106,421
4.80%, 07/08/44 (Call 01/08/44)		150		160,923


Security	Principal (000s)		Value
5.15%, 05/22/45	$	140	$	151,497
6.13%, 02/15/33		125		150,519
6.25%, 02/01/41		180		228,301
6.45%, 05/01/36		125		153,350
6.75%, 10/01/37		363		458,534
(3 mo. LIBOR US + 1.158%)
3.81%, 04/23/29 (Call 04/23/28)^b		50		48,806
(3 mo. LIBOR US + 1.373%)
4.02%, 10/31/38 (Call 10/31/37)^b		65		62,741
HBOS PLC
6.00%, 11/01/33^a		35		39,918
HSBC Capital Funding Dollar 1 LP
(3 mo. LIBOR US + 4.980%)
10.18% (Call 06/30/30)^a,b,c		50		80,168
HSBC Holdings PLC
6.10%, 01/14/42		150		193,199
6.50%, 05/02/36		275		339,630
6.50%, 09/15/37		325		404,066
6.80%, 06/01/38		150		193,056
JPMorgan Chase & Co.
4.85%, 02/01/44		150		166,013
4.95%, 06/01/45		175		188,925
5.40%, 01/06/42		5		5,921
5.50%, 10/15/40		196		233,405
5.60%, 07/15/41		12		14,522
5.63%, 08/16/43		104		122,114
6.40%, 05/15/38		186		243,212
(3 mo. LIBOR US + 1.360%)
3.88%, 07/24/38 (Call 07/24/37)^b		146		141,091
(3 mo. LIBOR US + 1.380%)
3.96%, 11/15/48 (Call 11/15/47)^b		225		214,049
(3 mo. LIBOR US + 1.460%)
4.03%, 07/24/48 (Call 07/24/47)^b		190		183,711
(3 mo. LIBOR US + 1.580%)
4.26%, 02/22/48 (Call 02/22/47)^b		150		149,853
KfW
0.00%, 04/18/36^d		150		83,127
0.00%, 06/29/37^d		152		80,546
Lloyds Banking Group PLC
5.30%, 12/01/45		200		219,468
Morgan Stanley
4.30%, 01/27/45		180		180,000
4.38%, 01/22/47		296		299,949
6.38%, 07/24/42		208		270,662
7.25%, 04/01/32		79		104,716


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.455%)
3.97%, 07/22/38 (Call 07/22/37)^b	$	125	$	121,741
RBS Capital Trust II
(3 mo. LIBOR US + 1.943%)
6.43% (Call 01/03/34)^b,c		50		61,190
Regions Financial Corp.
7.38%, 12/10/37		25		32,871
Royal Bank of Scotland Group PLC
(3 mo. LIBOR US + 2.500%)
7.65% (Call 09/30/31)^b,c		50		64,304
Standard Chartered PLC
5.70%, 03/26/44^a		200		223,300
Wachovia Corp.
5.50%, 08/01/35		65		73,633
Wells Fargo & Co.
3.90%, 05/01/45		109		104,951
4.65%, 11/04/44		200		204,596
4.75%, 12/07/46		5		5,177
4.90%, 11/17/45		270		286,124
5.38%, 02/07/35		6		6,963
5.38%, 11/02/43		311		348,908
5.61%, 01/15/44		135		156,187
Wells Fargo Bank N.A.
6.60%, 01/15/38		250		332,122
Wells Fargo Capital X
5.95%, 12/01/86		50		54,850

				12,585,878
BEVERAGES — 1.28%
Anheuser-Busch InBev Finance Inc.
4.63%, 02/01/44		138		141,988
4.70%, 02/01/36 (Call 08/01/35)		250		262,755
4.90%, 02/01/46 (Call 08/01/45)		310		330,677
Anheuser-Busch InBev Worldwide Inc.
3.75%, 07/15/42		70		63,720
4.44%, 10/06/48 (Call 04/06/48)		251		251,753
4.95%, 01/15/42		225		242,678
5.88%, 06/15/35		75		88,402
8.20%, 01/15/39		355		532,841
Brown-Forman Corp.
4.50%, 07/15/45 (Call 01/15/45)		50		53,298
Constellation Brands Inc.
4.50%, 05/09/47 (Call 11/09/46)		25		24,903


Security	Principal (000s)		Value
Diageo Capital PLC
3.88%, 04/29/43 (Call 10/29/42)	$	125	$	124,280
5.88%, 09/30/36		35		44,204
Diageo Investment Corp.
4.25%, 05/11/42		17		17,816
Heineken NV
4.35%, 03/29/47 (Call 09/29/46)^a		125		127,385
Molson Coors Brewing Co.
4.20%, 07/15/46 (Call 01/15/46)		180		168,604
5.00%, 05/01/42		139		147,208
Pepsi-Cola Metropolitan Bottling Co. Inc.
Series B
7.00%, 03/01/29		150		196,292
PepsiCo Inc.
3.45%, 10/06/46 (Call 04/06/46)		100		90,847
3.60%, 08/13/42		75		70,550
4.00%, 03/05/42		102		102,835
4.00%, 05/02/47 (Call 11/02/46)		44		44,213
4.25%, 10/22/44 (Call 04/22/44)		25		26,071
4.45%, 04/14/46 (Call 10/14/45)		111		119,126
4.60%, 07/17/45 (Call 01/17/45)		75		81,896
4.88%, 11/01/40		18		20,470
5.50%, 01/15/40		100		122,844

				3,497,656
BIOTECHNOLOGY — 0.84%
Amgen Inc.
4.40%, 05/01/45 (Call 11/01/44)		265		262,983
4.66%, 06/15/51 (Call 12/15/50)		375		380,528
5.15%, 11/15/41 (Call 05/15/41)		118		131,244
Baxalta Inc.
5.25%, 06/23/45 (Call 12/23/44)		187		202,332
Biogen Inc.
5.20%, 09/15/45 (Call 03/15/45)		119		129,447
Celgene Corp.
4.35%, 11/15/47 (Call 05/15/47)		81		76,186
4.63%, 05/15/44 (Call 11/15/43)		105		104,032
5.00%, 08/15/45 (Call 02/15/45)		213		220,238
Gilead Sciences Inc.
4.00%, 09/01/36 (Call 03/01/36)		7		6,918
4.15%, 03/01/47 (Call 09/01/46)		225		217,881
4.50%, 02/01/45 (Call 08/01/44)		100		101,726
4.60%, 09/01/35 (Call 03/01/35)		55		58,493
4.75%, 03/01/46 (Call 09/01/45)		125		132,039


Security	Principal (000s)		Value
4.80%, 04/01/44 (Call 10/01/43)	$	195	$	206,655
5.65%, 12/01/41 (Call 06/01/41)		58		68,393

				2,299,095
BUILDING MATERIALS — 0.25%
Johnson Controls International PLC
4.50%, 02/15/47 (Call 08/15/46)		125		129,342
4.63%, 07/02/44 (Call 01/02/44)^e		25		26,328
4.95%, 07/02/64 (Call 01/02/64)^e		25		26,112
5.13%, 09/14/45 (Call 03/14/45)		25		28,152
Lafarge SA
7.13%, 07/15/36		85		107,852
Martin Marietta Materials Inc.
4.25%, 12/15/47 (Call 06/15/47)		40		37,153
Masco Corp.
4.50%, 05/15/47 (Call 11/15/46)		10		9,649
6.50%, 08/15/32		7		8,158
7.75%, 08/01/29		12		15,088
Owens Corning
4.30%, 07/15/47 (Call 01/15/47)		25		23,001
7.00%, 12/01/36		29		36,485
Votorantim Cimentos SA
7.25%, 04/05/41^f		200		213,040
Vulcan Materials Co.
4.50%, 06/15/47 (Call 12/15/46)		10		9,643

				670,003
CHEMICALS — 1.08%
Agrium Inc.
4.90%, 06/01/43 (Call 12/01/42)		100		104,752
5.25%, 01/15/45 (Call 07/15/44)		10		10,871
6.13%, 01/15/41 (Call 07/15/40)		50		59,839
Air Liquide Finance SA
3.50%, 09/27/46 (Call 03/27/46)^a		50		45,969
Albemarle Corp.
5.45%, 12/01/44 (Call 06/01/44)		10		11,203
Ashland LLC
6.88%, 05/15/43 (Call 02/15/43)		50		54,226
CF Industries Inc.
4.95%, 06/01/43		50		45,813
5.15%, 03/15/34		60		58,944
5.38%, 03/15/44		50		46,962
Dow Chemical Co. (The)
4.25%, 10/01/34 (Call 04/01/34)		15		15,099
4.38%, 11/15/42 (Call 05/15/42)		252		251,793


Security	Principal (000s)		Value
4.63%, 10/01/44 (Call 04/01/44)	$	10	$	10,306
5.25%, 11/15/41 (Call 05/15/41)		13		14,364
7.38%, 11/01/29		254		332,255
9.40%, 05/15/39		31		50,156
Eastman Chemical Co.
4.65%, 10/15/44 (Call 04/15/44)		124		128,218
4.80%, 09/01/42 (Call 03/01/42)		10		10,644
EI du Pont de Nemours & Co.
4.15%, 02/15/43		46		45,339
5.60%, 12/15/36		10		11,708
International Flavors & Fragrances Inc.
4.38%, 06/01/47 (Call 12/01/46)		35		34,836
LYB International Finance BV
4.88%, 03/15/44 (Call 09/15/43)		108		113,518
5.25%, 07/15/43		103		113,334
LyondellBasell Industries NV
4.63%, 02/26/55 (Call 08/26/54)		109		106,909
Methanex Corp.
5.65%, 12/01/44 (Call 06/01/44)		50		50,786
Mexichem SAB de CV
5.88%, 09/17/44^f		200		199,616
Monsanto Co.
4.20%, 07/15/34 (Call 01/15/34)		20		19,910
4.40%, 07/15/44 (Call 01/15/44)		131		129,277
4.65%, 11/15/43 (Call 05/15/43)		10		10,283
4.70%, 07/15/64 (Call 01/15/64)		41		40,515
Mosaic Co. (The)
5.63%, 11/15/43 (Call 05/15/43)		35		36,592
OCP SA
6.88%, 04/25/44^f		200		224,346
Olin Corp.
5.00%, 02/01/30 (Call 02/01/24)		75		72,745
Potash Corp. of Saskatchewan Inc.
5.63%, 12/01/40		21		24,004
RPM International Inc.
4.25%, 01/15/48 (Call 07/15/47)		100		92,751
Sherwin-Williams Co. (The)
4.00%, 12/15/42 (Call 06/15/42)		125		117,060
4.50%, 06/01/47 (Call 12/01/46)		89		88,998
4.55%, 08/01/45 (Call 02/01/45)		10		10,133
Westlake Chemical Corp.
4.38%, 11/15/47 (Call 05/15/47)		50		47,984


Security	Principal (000s)		Value
5.00%, 08/15/46 (Call 02/15/46)	$	100	$	105,146

				2,947,204
COMMERCIAL SERVICES — 0.66%
ADT Corp. (The)
4.88%, 07/15/32^a		81		74,095
Cleveland Clinic Foundation (The)
4.86%, 01/01/14		17		17,674
DP World Ltd.
6.85%, 07/02/37^a		200		244,656
Ecolab Inc.
3.95%, 12/01/47 (Call 06/01/47)^a		212		202,844
5.50%, 12/08/41		5		5,906
ERAC USA Finance LLC
4.20%, 11/01/46 (Call 05/01/46)^a		125		117,507
5.63%, 03/15/42^a		10		11,413
7.00%, 10/15/37^a		35		45,188
George Washington University (The)
4.87%, 09/15/45		25		28,012
Johns Hopkins University
Series 2013
4.08%, 07/01/53		75		74,759
Massachusetts Institute of Technology
3.96%, 07/01/38		75		77,697
4.68%, 12/31/99		55		58,723
5.60%, 07/01/11		5		6,238
President and Fellows of Harvard College
4.88%, 10/15/40		125		146,576
Princeton University
5.70%, 03/01/39		35		44,578
University of Notre Dame du Lac
Series 2017
3.39%, 02/15/48 (Call 08/15/47)		400		371,944
Western Union Co. (The)
6.20%, 11/17/36		26		27,305
William Marsh Rice University
3.57%, 05/15/45		250		240,602

				1,795,717
COMPUTERS — 1.05%
Apple Inc.
3.45%, 02/09/45		160		145,976
3.75%, 11/13/47 (Call 05/13/47)		10		9,527


Security	Principal (000s)		Value
3.85%, 05/04/43	$	270	$	263,482
3.85%, 08/04/46 (Call 02/04/46)		10		9,689
4.25%, 02/09/47 (Call 08/09/46)		335		345,285
4.38%, 05/13/45		95		99,569
4.45%, 05/06/44		160		170,054
4.50%, 02/23/36 (Call 08/23/35)		60		65,453
4.65%, 02/23/46 (Call 08/23/45)		330		360,073
Dell Inc.
5.40%, 09/10/40		25		22,723
6.50%, 04/15/38		50		50,510
Dell International LLC/EMC Corp.
8.10%, 07/15/36 (Call 01/15/36)^a		158		193,816
8.35%, 07/15/46 (Call 01/15/46)^a		175		221,373
Hewlett Packard Enterprise Co.
6.20%, 10/15/35 (Call 04/15/35)		28		30,022
6.35%, 10/15/45 (Call 04/15/45)		220		231,777
HP Inc.
6.00%, 09/15/41		200		211,454
International Business Machines Corp.
4.00%, 06/20/42		104		104,635
4.70%, 02/19/46		125		140,896
5.60%, 11/30/39		65		80,404
Leidos Holdings Inc.
Series 1
5.95%, 12/01/40 (Call 06/04/40)		50		49,317
Leidos Inc.
5.50%, 07/01/33		25		23,750
Seagate HDD Cayman
5.75%, 12/01/34 (Call 06/01/34)		40		37,952

				2,867,737
COSMETICS & PERSONAL CARE — 0.19%
Avon Products Inc.
8.95%, 03/15/43		25		21,571
Colgate-Palmolive Co.
4.00%, 08/15/45		10		9,991
Estee Lauder Companies Inc. (The)
4.15%, 03/15/47 (Call 09/15/46)		10		10,279
4.38%, 06/15/45 (Call 12/15/44)		25		26,413
Procter & Gamble Co. (The)
3.50%, 10/25/47		100		93,872
5.55%, 03/05/37		74		92,843


Security	Principal (000s)		Value
Unilever Capital Corp.
5.90%, 11/15/32	$	206	$	258,711

				513,680
DISTRIBUTION & WHOLESALE — 0.06%
WW Grainger Inc.
3.75%, 05/15/46 (Call 11/15/45)		150		139,186
4.60%, 06/15/45 (Call 12/15/44)		25		26,571

				165,757
DIVERSIFIED FINANCIAL SERVICES — 1.04%
Ally Financial Inc.
8.00%, 11/01/31		225		278,206
American Express Co.
4.05%, 12/03/42		200		198,350
Blackstone Holdings Finance Co. LLC
5.00%, 06/15/44^a		25		27,187
Brookfield Finance Inc.
4.70%, 09/20/47 (Call 03/20/47)		35		34,027
Carlyle Holdings II Finance LLC
5.63%, 03/30/43^a		100		107,867
CME Group Inc.
5.30%, 09/15/43 (Call 03/15/43)		27		32,863
Credit Suisse USA Inc.
7.13%, 07/15/32		116		154,504
FMR LLC
7.57%, 06/15/29^a		100		130,867
GE Capital International Funding Co. Unlimited Co.
4.42%, 11/15/35		744		730,169
Invesco Finance PLC
5.38%, 11/30/43		10		11,616
Jefferies Group LLC
6.25%, 01/15/36		95		104,781
6.50%, 01/20/43		25		28,037
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.15%, 01/23/30		35		33,256
KKR Group Finance Co. II LLC
5.50%, 02/01/43 (Call 08/01/42)^a		35		38,325
Legg Mason Inc.
5.63%, 01/15/44		125		133,719
Mastercard Inc.
3.80%, 11/21/46 (Call 05/21/46)		125		122,585


Security	Principal (000s)		Value
National Rural Utilities Cooperative Finance Corp.
Series C
8.00%, 03/01/32	$	26	$	36,574
Navient Corp.
5.63%, 08/01/33		75		66,814
Raymond James Financial Inc.
4.95%, 07/15/46		85		91,820
Visa Inc.
4.15%, 12/14/35 (Call 06/14/35)		210		221,265
4.30%, 12/14/45 (Call 06/14/45)		240		254,371

				2,837,203
ELECTRIC — 5.85%
Abu Dhabi National Energy Co. PJSC
6.50%, 10/27/36^a		225		273,980
Alabama Power Co.
3.75%, 03/01/45 (Call 09/01/44)		10		9,677
4.15%, 08/15/44 (Call 02/15/44)		50		51,141
4.30%, 01/02/46 (Call 07/02/45)		10		10,488
6.00%, 03/01/39		150		187,863
Series B
3.70%, 12/01/47 (Call 06/01/47)		75		71,681
Ameren Illinois Co.
3.70%, 12/01/47 (Call 06/01/47)		225		216,781
4.15%, 03/15/46 (Call 09/15/45)		10		10,334
Appalachian Power Co.
4.45%, 06/01/45 (Call 12/01/44)		10		10,531
7.00%, 04/01/38		21		28,716
Arizona Public Service Co.
3.75%, 05/15/46 (Call 11/15/45)		10		9,608
4.35%, 11/15/45 (Call 05/15/45)		25		26,390
4.50%, 04/01/42 (Call 10/01/41)		26		27,814
Berkshire Hathaway Energy Co.
3.80%, 07/15/48 (Call 01/15/48)^a		75		71,192
4.50%, 02/01/45 (Call 08/01/44)		253		265,430
5.15%, 11/15/43 (Call 05/15/43)		78		90,220
6.13%, 04/01/36		382		486,424
CenterPoint Energy Houston Electric LLC
3.95%, 03/01/48 (Call 09/01/47)		30		30,095
4.50%, 04/01/44 (Call 10/01/43)		150		163,900
CMS Energy Corp.
4.88%, 03/01/44 (Call 09/01/43)		25		27,370


Security	Principal (000s)		Value
Comision Federal de Electricidad
6.13%, 06/16/45^f	$	200	$	219,574
Commonwealth Edison Co.
3.65%, 06/15/46 (Call 12/15/45)		150		141,672
3.70%, 03/01/45 (Call 09/01/44)		125		119,407
Connecticut Light & Power Co. (The)
Series A
4.15%, 06/01/45 (Call 12/01/44)		10		10,305
Consolidated Edison Co. of New York Inc.
5.50%, 12/01/39		10		12,076
6.30%, 08/15/37		10		12,963
3.85%, 06/15/46 (Call 12/15/45)		25		24,399
4.45%, 03/15/44 (Call 09/15/43)		78		83,062
4.50%, 12/01/45 (Call 06/01/45)		15		16,170
4.63%, 12/01/54 (Call 06/01/54)		275		295,655
Series 06-A
5.85%, 03/15/36		10		12,224
Series 08-B
6.75%, 04/01/38		30		41,257
Series C
4.00%, 11/15/57 (Call 05/15/57)		250		243,302
Dominion Energy Inc.
7.00%, 06/15/38		50		66,007
Series B
5.95%, 06/15/35		135		161,773
Series C
4.90%, 08/01/41 (Call 02/01/41)		130		140,068
Series F
5.25%, 08/01/33		50		55,790
DTE Electric Co.
3.70%, 03/15/45 (Call 09/15/44)		125		120,687
4.30%, 07/01/44 (Call 01/01/44)		50		52,672
Series A
4.00%, 04/01/43 (Call 10/01/42)		10		10,045
Duke Energy Carolinas LLC
3.70%, 12/01/47 (Call 06/01/47)		25		23,950
3.75%, 06/01/45 (Call 12/01/44)		25		24,092
3.88%, 03/15/46 (Call 09/15/45)		25		24,671
4.25%, 12/15/41 (Call 06/15/41)		30		31,386
5.30%, 02/15/40		3		3,571
6.10%, 06/01/37		18		22,613
Series A
6.00%, 12/01/28		25		29,710


Security	Principal (000s)		Value
Duke Energy Corp.
3.75%, 09/01/46 (Call 03/01/46)	$	343	$	312,157
3.95%, 08/15/47 (Call 02/15/47)		25		23,535
Duke Energy Florida LLC
3.40%, 10/01/46 (Call 04/01/46)		25		22,573
3.85%, 11/15/42 (Call 05/15/42)		25		24,481
5.65%, 04/01/40		10		12,432
6.40%, 06/15/38		53		70,657
Duke Energy Indiana LLC
3.75%, 05/15/46 (Call 11/15/45)		35		33,320
Duke Energy Ohio Inc.
3.70%, 06/15/46 (Call 12/15/45)		10		9,561
Duke Energy Progress LLC
3.60%, 09/15/47 (Call 03/15/47)		25		23,448
3.70%, 10/15/46 (Call 04/15/46)		375		358,361
4.10%, 03/15/43 (Call 09/15/42)		25		25,466
4.20%, 08/15/45 (Call 02/15/45)		60		61,751
4.38%, 03/30/44 (Call 09/30/43)		25		26,609
6.30%, 04/01/38		150		197,583
E.ON International Finance BV
6.65%, 04/30/38^a		125		157,822
Electricite de France SA
4.88%, 01/22/44^a		90		95,467
4.95%, 10/13/45 (Call 04/13/45)^a		100		107,625
5.25%, 10/13/55 (Call 04/13/55)^a		50		54,976
6.00%, 01/22/14^a		145		155,318
6.95%, 01/26/39^a		100		131,429
Emera U.S. Finance LP
4.75%, 06/15/46 (Call 12/15/45)		154		154,557
Enel Finance International NV
6.00%, 10/07/39^a		100		117,831
6.80%, 09/15/37^a		325		413,423
Entergy Louisiana LLC
3.05%, 06/01/31 (Call 03/01/31)		10		9,239
3.25%, 04/01/28 (Call 01/01/28)		10		9,670
4.95%, 01/15/45 (Call 01/15/25)		50		50,577
Entergy Mississippi Inc.
2.85%, 06/01/28 (Call 03/01/28)		50		46,568
Exelon Corp.
4.45%, 04/15/46 (Call 10/15/45)		263		267,873
5.10%, 06/15/45 (Call 12/15/44)		50		55,740
5.63%, 06/15/35		100		117,504
Exelon Generation Co. LLC
5.60%, 06/15/42 (Call 12/15/41)		35		36,593
6.25%, 10/01/39		100		111,821


Security	Principal (000s)		Value
FirstEnergy Corp.
Series C
4.85%, 07/15/47 (Call 01/15/47)	$	10	$	10,488
7.38%, 11/15/31		185		243,800
FirstEnergy Solutions Corp.
6.80%, 08/15/39		30		10,313
FirstEnergy Transmission LLC
5.45%, 07/15/44 (Call 01/15/44)^a		125		143,276
Florida Power & Light Co.
3.70%, 12/01/47 (Call 06/01/47)		175		168,360
4.05%, 06/01/42 (Call 12/01/41)		100		101,802
4.05%, 10/01/44 (Call 04/01/44)		135		137,703
4.13%, 02/01/42 (Call 08/01/41)		25		25,785
5.63%, 04/01/34		25		29,929
5.69%, 03/01/40		25		31,239
5.95%, 02/01/38		100		127,314
Georgia Power Co.
4.30%, 03/15/42		65		66,632
5.40%, 06/01/40		60		69,581
Series 10-C
4.75%, 09/01/40		85		91,220
Great River Energy
6.25%, 07/01/38^a		50		58,428
Hydro-Quebec
9.38%, 04/15/30		50		76,657
Iberdrola International BV
6.75%, 07/15/36		25		31,396
Indiana Michigan Power Co.
Series K
4.55%, 03/15/46 (Call 09/15/45)		250		268,440
Indianapolis Power & Light Co.
4.05%, 05/01/46 (Call 11/01/45)^a		26		25,131
Interstate Power & Light Co.
6.25%, 07/15/39		25		31,776
John Sevier Combined Cycle Generation LLC
4.63%, 01/15/42		9		9,809
Kansas City Power & Light Co.
4.20%, 06/15/47 (Call 12/15/46)		35		35,028
4.20%, 03/15/48 (Call 09/15/47)		25		25,224
5.30%, 10/01/41 (Call 04/01/41)		16		18,447
Majapahit Holding BV
7.88%, 06/29/37^f		100		129,731


Security	Principal (000s)		Value
Massachusetts Electric Co.
4.00%, 08/15/46 (Call 02/15/46)^a	$	25	$	24,820
5.90%, 11/15/39^a		25		31,598
MidAmerican Energy Co.
3.95%, 08/01/47 (Call 02/01/47)		50		50,161
4.25%, 05/01/46 (Call 11/01/45)		60		62,839
Minejesa Capital BV
5.63%, 08/10/37		200		201,816
Monongahela Power Co.
5.40%, 12/15/43 (Call 06/15/43)^a		35		41,736
Nevada Power Co.
Series R
6.75%, 07/01/37		10		13,499
Niagara Mohawk Power Corp.
4.12%, 11/28/42^a		125		126,149
4.28%, 10/01/34 (Call 04/01/34)^a		25		26,077
Northern States Power Co./MN
3.40%, 08/15/42 (Call 02/15/42)		26		24,083
3.60%, 05/15/46 (Call 11/15/45)		175		165,058
4.13%, 05/15/44 (Call 11/15/43)		125		128,296
NSTAR Electric Co.
4.40%, 03/01/44 (Call 09/01/43)		35		37,483
Oglethorpe Power Corp.
5.25%, 09/01/50		10		10,705
5.38%, 11/01/40		10		11,222
5.95%, 11/01/39		125		149,945
Oncor Electric Delivery Co. LLC
3.75%, 04/01/45 (Call 10/01/44)		25		23,989
5.30%, 06/01/42 (Call 12/01/41)		245		291,423
7.25%, 01/15/33		25		34,317
Pacific Gas & Electric Co.
3.75%, 08/15/42 (Call 02/15/42)		25		22,426
4.00%, 12/01/46 (Call 06/01/46)		50		46,084
4.25%, 03/15/46 (Call 09/15/45)		10		9,525
4.45%, 04/15/42 (Call 10/15/41)		26		25,798
4.60%, 06/15/43 (Call 12/15/42)		25		25,210
4.75%, 02/15/44 (Call 08/15/43)		225		228,721
5.13%, 11/15/43 (Call 05/15/43)		25		26,792
5.40%, 01/15/40		66		73,403
5.80%, 03/01/37		78		90,285
6.05%, 03/01/34		312		365,277
6.25%, 03/01/39		25		30,447
PacifiCorp
6.00%, 01/15/39		60		77,291
6.25%, 10/15/37		15		19,520


Security	Principal (000s)		Value
PECO Energy Co.
3.70%, 09/15/47 (Call 03/15/47)	$	25	$	23,911
Potomac Electric Power Co.
4.15%, 03/15/43 (Call 09/15/42)		20		20,544
6.50%, 11/15/37		200		264,246
PPL Capital Funding Inc.
5.00%, 03/15/44 (Call 09/15/43)		50		54,740
PPL Electric Utilities Corp.
3.95%, 06/01/47 (Call 12/01/46)		10		9,974
4.15%, 10/01/45 (Call 04/01/45)		15		15,430
4.75%, 07/15/43 (Call 01/15/43)		125		140,782
Progress Energy Inc.
6.00%, 12/01/39		25		31,100
7.00%, 10/30/31		10		12,891
7.75%, 03/01/31		105		142,813
Public Service Co. of Colorado
3.60%, 09/15/42 (Call 03/15/42)		50		47,219
4.30%, 03/15/44 (Call 09/15/43)		20		21,025
Public Service Electric & Gas Co.
3.60%, 12/01/47 (Call 06/01/47)		300		283,527
3.65%, 09/01/42 (Call 03/01/42)		10		9,609
3.80%, 03/01/46 (Call 09/01/45)		10		9,805
3.95%, 05/01/42 (Call 11/01/41)		140		141,462
Puget Sound Energy Inc.
4.30%, 05/20/45 (Call 11/20/44)		15		15,727
5.64%, 04/15/41 (Call 10/15/40)		16		19,637
5.76%, 10/01/39		25		30,761
5.80%, 03/15/40		10		12,496
San Diego Gas & Electric Co.
4.50%, 08/15/40		100		109,377
6.00%, 06/01/39		25		32,004
Saudi Electricity Global Sukuk Co. 2
5.06%, 04/08/43^f		200		200,020
South Carolina Electric & Gas Co.
4.35%, 02/01/42 (Call 08/01/41)		25		24,788
4.50%, 06/01/64 (Call 12/01/63)		25		23,658
4.60%, 06/15/43 (Call 12/15/42)		10		10,256
5.10%, 06/01/65 (Call 12/01/64)		150		156,796
6.05%, 01/15/38		26		31,026
6.63%, 02/01/32		10		12,268
Southern California Edison Co.
4.00%, 04/01/47 (Call 10/01/46)		154		154,428
4.05%, 03/15/42 (Call 09/15/41)		26		26,229
4.65%, 10/01/43 (Call 04/01/43)		163		177,929


Security	Principal (000s)		Value
6.05%, 03/15/39	$	135	$	172,824
6.65%, 04/01/29		25		30,333
Series 05-E
5.35%, 07/15/35		10		11,679
Series 08-A
5.95%, 02/01/38		31		39,040
Series 13-A
3.90%, 03/15/43 (Call 09/15/42)		135		133,219
Series C
3.60%, 02/01/45 (Call 08/01/44)		25		23,384
Southern Co. (The)
4.25%, 07/01/36 (Call 01/01/36)		50		50,171
4.40%, 07/01/46 (Call 01/01/46)		400		400,972
Southern Power Co.
5.15%, 09/15/41		25		26,993
Southwestern Electric Power Co.
3.90%, 04/01/45 (Call 10/01/44)		10		9,605
State Grid Overseas Investment 2013 Ltd.
4.38%, 05/22/43^a		200		206,138
Talen Energy Supply LLC
6.00%, 12/15/36		25		14,344
Tampa Electric Co.
4.10%, 06/15/42 (Call 12/15/41)		25		24,239
4.35%, 05/15/44 (Call 11/15/43)		25		25,205
Toledo Edison Co. (The)
6.15%, 05/15/37		10		12,392
Tri-State Generation & Transmission Association Inc.
6.00%, 06/15/40^a		10		12,336
Union Electric Co.
3.65%, 04/15/45 (Call 10/15/44)		50		47,987
3.90%, 09/15/42 (Call 03/15/42)		25		24,843
5.30%, 08/01/37		10		11,615
Virginia Electric & Power Co.
4.00%, 11/15/46 (Call 05/15/46)		75		74,717
4.20%, 05/15/45 (Call 11/15/44)		10		10,251
4.45%, 02/15/44 (Call 08/15/43)		225		239,679
8.88%, 11/15/38		10		16,432
Series B
6.00%, 01/15/36		75		93,097
Westar Energy Inc.
4.10%, 04/01/43 (Call 10/01/42)		25		25,395
4.13%, 03/01/42 (Call 09/01/41)		26		26,362


Security	Principal (000s)		Value
Wisconsin Power & Light Co.
6.38%, 08/15/37	$	25	$	32,407
Wisconsin Public Service Corp.
4.75%, 11/01/44 (Call 05/01/44)		10		11,231
Xcel Energy Inc.
6.50%, 07/01/36		15		19,497

				15,921,072
ELECTRONICS — 0.08%
Corning Inc.
4.38%, 11/15/57 (Call 05/15/57)		100		93,950
5.75%, 08/15/40		20		23,419
Fortive Corp.
4.30%, 06/15/46 (Call 12/15/45)		10		10,090
Honeywell International Inc.
3.81%, 11/21/47 (Call 05/21/47)		35		34,189
5.38%, 03/01/41		25		30,639
Koninklijke Philips NV
5.00%, 03/15/42		20		22,133

				214,420
ENERGY – ALTERNATE SOURCES — 0.03%
Topaz Solar Farms LLC
5.75%, 09/30/39^a		89		90,483

				90,483
ENGINEERING & CONSTRUCTION — 0.12%
ABB Finance USA Inc.
4.38%, 05/08/42		37		38,104
Mexico City Airport Trust
5.50%, 10/31/46 (Call 04/30/46)^f		300		284,016

				322,120
ENVIRONMENTAL CONTROL — 0.06%
Waste Management Inc.
3.90%, 03/01/35 (Call 09/01/34)		10		10,000
4.10%, 03/01/45 (Call 09/01/44)		163		162,123

				172,123
FOOD — 0.82%
Campbell Soup Co.
3.80%, 08/02/42		26		23,162
Conagra Brands Inc.
8.25%, 09/15/30		10		13,397
General Mills Inc.
4.15%, 02/15/43 (Call 08/15/42)		25		24,134
5.40%, 06/15/40		15		17,140


Security	Principal (000s)		Value
Hershey Co. (The)
3.38%, 08/15/46 (Call 02/15/46)	$	35	$	31,192
JM Smucker Co. (The)
4.25%, 03/15/35		25		25,177
4.38%, 03/15/45		25		24,865
Kellogg Co.
4.50%, 04/01/46		25		24,815
Koninklijke Ahold Delhaize NV
5.70%, 10/01/40		150		169,323
Kraft Heinz Foods Co.
4.38%, 06/01/46 (Call 12/01/45)		350		319,816
5.00%, 07/15/35 (Call 01/15/35)		65		67,630
5.00%, 06/04/42		70		69,636
5.20%, 07/15/45 (Call 01/15/45)		155		157,931
6.50%, 02/09/40		29		34,437
6.75%, 03/15/32		10		12,010
6.88%, 01/26/39		50		61,572
7.13%, 08/01/39^a		50		63,280
Kroger Co. (The)
3.88%, 10/15/46 (Call 04/15/46)		125		108,004
4.45%, 02/01/47 (Call 08/01/46)^g		179		168,063
5.15%, 08/01/43 (Call 02/01/43)		10		10,321
5.40%, 07/15/40 (Call 01/15/40)		25		26,495
7.50%, 04/01/31		45		56,823
Land O’Lakes Capital Trust I
7.45%, 03/15/28^a		25		28,543
McCormick & Co. Inc./MD
4.20%, 08/15/47 (Call 02/15/47)		50		49,494
Mondelez International Inc.
6.50%, 02/09/40		75		93,955
Safeway Inc.
7.25%, 02/01/31		50		41,869
Sysco Corp.
4.50%, 04/01/46 (Call 10/01/45)		100		102,302
4.85%, 10/01/45 (Call 04/01/45)		25		26,876
5.38%, 09/21/35		16		18,160
Tesco PLC
6.15%, 11/15/37^a		100		103,769
Tyson Foods Inc.
4.55%, 06/02/47 (Call 12/02/46)		88		89,252
4.88%, 08/15/34 (Call 02/15/34)		85		91,311
5.15%, 08/15/44 (Call 02/15/44)		75		83,017

				2,237,771


Security	Principal (000s)		Value
FOREST PRODUCTS & PAPER — 0.11%
Georgia-Pacific LLC
7.75%, 11/15/29	$	41	$	55,890
International Paper Co.
4.35%, 08/15/48 (Call 02/15/48)		7		6,828
4.40%, 08/15/47 (Call 02/15/47)		154		151,370
4.80%, 06/15/44 (Call 12/15/43)		27		28,188
5.15%, 05/15/46 (Call 11/15/45)		10		10,946
6.00%, 11/15/41 (Call 05/15/41)		10		11,913
7.30%, 11/15/39		31		41,618

				306,753
GAS — 0.46%
Atmos Energy Corp.
4.15%, 01/15/43 (Call 07/15/42)		35		35,574
5.50%, 06/15/41 (Call 12/15/40)		25		29,941
Boston Gas Co.
4.49%, 02/15/42^a		10		10,545
Dominion Energy Gas Holdings LLC
4.80%, 11/01/43 (Call 05/01/43)		25		26,353
KeySpan Corp.
5.80%, 04/01/35		25		29,514
KeySpan Gas East Corp.
5.82%, 04/01/41^a		100		124,002
NiSource Inc.
4.38%, 05/15/47 (Call 11/15/46)		125		127,164
4.80%, 02/15/44 (Call 08/15/43)		72		77,763
5.25%, 02/15/43 (Call 08/15/42)		125		141,632
5.65%, 02/01/45 (Call 08/01/44)		125		149,524
5.95%, 06/15/41 (Call 12/15/40)		26		31,551
ONE Gas Inc.
4.66%, 02/01/44 (Call 08/01/43)		40		43,614
Piedmont Natural Gas Co. Inc.
3.64%, 11/01/46 (Call 05/01/46)		25		23,022
Sempra Energy
4.00%, 02/01/48 (Call 08/01/47)		25		23,405
6.00%, 10/15/39		162		200,238
Southern California Gas Co.
3.75%, 09/15/42 (Call 03/15/42)		20		19,541
5.13%, 11/15/40		20		23,373
Southern Co. Gas Capital Corp.
4.40%, 06/01/43 (Call 12/01/42)		35		35,255
4.40%, 05/30/47 (Call 11/30/46)		50		50,295
5.88%, 03/15/41 (Call 09/15/40)		51		60,421

				1,262,727


Security	Principal (000s)		Value
HEALTH CARE – PRODUCTS — 0.77%
Abbott Laboratories
4.75%, 11/30/36 (Call 05/30/36)	$	283	$	302,521
4.75%, 04/15/43 (Call 10/15/42)		25		26,537
4.90%, 11/30/46 (Call 05/30/46)		275		297,008
5.30%, 05/27/40		50		56,121
6.15%, 11/30/37		16		19,344
Baxter International Inc.
3.50%, 08/15/46 (Call 02/15/46)		35		30,399
Becton Dickinson and Co.
4.67%, 06/06/47 (Call 12/06/46)		61		60,812
4.69%, 12/15/44 (Call 06/15/44)		93		93,284
5.00%, 11/12/40		10		10,439
Boston Scientific Corp.
7.38%, 01/15/40		25		33,431
Medtronic Inc.
4.38%, 03/15/35		475		501,229
4.50%, 03/15/42 (Call 09/15/41)		20		20,978
4.63%, 03/15/44 (Call 09/15/43)		150		163,283
4.63%, 03/15/45		180		195,466
Stryker Corp.
4.38%, 05/15/44 (Call 11/15/43)		25		25,228
4.63%, 03/15/46 (Call 09/15/45)		178		188,888
Thermo Fisher Scientific Inc.
4.10%, 08/15/47 (Call 02/15/47)		56		53,825
5.30%, 02/01/44 (Call 08/01/43)		10		11,395

				2,090,188
HEALTH CARE – SERVICES — 1.13%
Aetna Inc.
3.88%, 08/15/47 (Call 02/15/47)		75		66,417
4.13%, 11/15/42 (Call 05/15/42)		125		117,225
4.75%, 03/15/44 (Call 09/15/43)		10		10,275
6.63%, 06/15/36		44		55,413
6.75%, 12/15/37		35		45,301
Anthem Inc.
4.38%, 12/01/47 (Call 06/01/47)		24		23,454
4.63%, 05/15/42		110		111,281
4.65%, 01/15/43		385		393,447
4.65%, 08/15/44 (Call 02/15/44)		74		75,596
5.10%, 01/15/44		25		26,956
Ascension Health
3.95%, 11/15/46		150		149,226


Security	Principal (000s)		Value
Baylor Scott & White Holdings
4.19%, 11/15/45 (Call 05/15/45)	$	140	$	143,633
Catholic Health Initiatives
4.35%, 11/01/42		35		32,012
Children’s Hospital Corp. (The)
Series 2017
4.12%, 01/01/47 (Call 07/01/46)		20		20,185
Cigna Corp.
3.88%, 10/15/47 (Call 04/15/47)		85		75,551
HCA Inc.
5.50%, 06/15/47 (Call 12/15/46)		125		123,656
7.50%, 11/06/33		25		27,649
7.50%, 11/15/95		10		10,185
Humana Inc.
4.63%, 12/01/42 (Call 06/01/42)		46		46,901
4.80%, 03/15/47 (Call 09/15/46)		50		52,252
4.95%, 10/01/44 (Call 04/01/44)		86		91,060
Kaiser Foundation Hospitals
4.15%, 05/01/47 (Call 11/01/46)		125		128,029
4.88%, 04/01/42		30		34,079
Laboratory Corp. of America Holdings
4.70%, 02/01/45 (Call 08/01/44)		38		38,039
New York and Presbyterian Hospital (The)
4.02%, 08/01/45		125		123,411
Northwell Healthcare Inc.
3.98%, 11/01/46 (Call 11/01/45)		10		9,303
Providence St Joseph Health Obligated Group
Series A
3.93%, 10/01/48 (Call 04/01/48)		19		18,359
Stanford Health Care
Series 2018
3.80%, 11/15/48 (Call 05/15/48)		17		16,568
Tenet Healthcare Corp.
6.88%, 11/15/31		50		44,889
UnitedHealth Group Inc.
3.75%, 10/15/47 (Call 04/15/47)		72		67,599
4.20%, 01/15/47 (Call 07/15/46)		25		25,321
4.25%, 03/15/43 (Call 09/15/42)		58		59,420
4.25%, 04/15/47 (Call 10/15/46)		100		102,951
4.38%, 03/15/42 (Call 09/15/41)		100		104,100
4.63%, 07/15/35		242		263,640


Security	Principal (000s)		Value
4.63%, 11/15/41 (Call 05/15/41)	$	30	$	32,154
4.75%, 07/15/45		235		259,301
5.80%, 03/15/36		4		4,938
6.88%, 02/15/38		27		36,966

				3,066,742
HOLDING COMPANIES – DIVERSIFIED — 0.14%
Hutchison Whampoa International Ltd.
7.45%, 11/24/33^a		100		137,682
Sinochem Overseas Capital Co. Ltd.
6.30%, 11/12/40^a		200		249,378

				387,060
HOME BUILDERS — 0.06%
MDC Holdings Inc.
6.00%, 01/15/43 (Call 10/15/42)		50		47,332
PulteGroup Inc.
6.00%, 02/15/35		25		25,596
6.38%, 05/15/33		50		52,634
7.88%, 06/15/32		25		30,000

				155,562
HOME FURNISHINGS — 0.02%
Whirlpool Corp.
4.50%, 06/01/46 (Call 12/01/45)		50		49,518

				49,518
HOUSEHOLD PRODUCTS & WARES — 0.05%
Kimberly-Clark Corp.
3.20%, 07/30/46 (Call 01/30/46)		35		30,497
3.90%, 05/04/47 (Call 11/04/46)		50		49,393
5.30%, 03/01/41		25		29,611
6.63%, 08/01/37		10		13,517

				123,018
HOUSEWARES — 0.08%
Newell Brands Inc.
5.38%, 04/01/36 (Call 10/01/35)		25		26,581
5.50%, 04/01/46 (Call 10/01/45)		185		195,924

				222,505
INSURANCE — 2.61%
Aflac Inc.
4.00%, 10/15/46 (Call 04/15/46)		125		120,640
Alleghany Corp.
4.90%, 09/15/44 (Call 03/15/44)		25		25,995
Allstate Corp. (The)
4.20%, 12/15/46 (Call 06/15/46)		60		60,854


Security	Principal (000s)		Value
4.50%, 06/15/43	$	30	$	31,889
5.35%, 06/01/33		50		56,583
5.55%, 05/09/35		125		146,548
American Financial Group Inc./OH
4.50%, 06/15/47 (Call 12/15/46)		50		49,497
American International Group Inc.
3.88%, 01/15/35 (Call 07/15/34)		177		167,130
4.38%, 01/15/55 (Call 07/15/54)		100		93,416
4.50%, 07/16/44 (Call 01/16/44)		145		143,992
4.80%, 07/10/45 (Call 01/10/45)		193		200,573
6.25%, 05/01/36		170		206,560
Aon Corp.
6.25%, 09/30/40		50		62,317
Aon PLC
4.60%, 06/14/44 (Call 03/14/44)		85		87,594
4.75%, 05/15/45 (Call 11/15/44)		84		88,468
Arch Capital Finance LLC
5.03%, 12/15/46 (Call 06/15/46)		50		54,990
Arch Capital Group U.S. Inc.
5.14%, 11/01/43		50		55,779
AXA SA
8.60%, 12/15/30		101		140,432
Berkshire Hathaway Finance Corp.
4.30%, 05/15/43		25		26,261
4.40%, 05/15/42		25		26,530
5.75%, 01/15/40		33		41,288
Berkshire Hathaway Inc.
4.50%, 02/11/43		237		256,427
Brighthouse Financial Inc.
4.70%, 06/22/47 (Call 12/22/46)^a		100		93,221
Chubb Corp. (The)
6.00%, 05/11/37		16		20,198
6.50%, 05/15/38		20		26,917
Chubb INA Holdings Inc.
4.15%, 03/13/43		25		25,674
4.35%, 11/03/45 (Call 05/03/45)		15		15,910
6.70%, 05/15/36		25		33,806
Cincinnati Financial Corp.
6.92%, 05/15/28		10		12,391
Farmers Exchange Capital III
(3 mo. LIBOR US + 3.454%)
5.45%, 10/15/54 (Call 10/15/34)^a,b		100		104,085


Security	Principal (000s)		Value
Guardian Life Insurance Co. of America (The)
4.85%, 01/24/77^a	$	75	$	76,738
Hartford Financial Services Group Inc. (The)
4.30%, 04/15/43		60		60,284
Liberty Mutual Group Inc.
4.85%, 08/01/44^a		75		78,817
6.50%, 05/01/42^a		100		127,152
7.80%, 03/07/87^a		65		81,230
Lincoln National Corp.
7.00%, 06/15/40		65		87,794
Loews Corp.
4.13%, 05/15/43 (Call 11/15/42)		30		29,608
Manulife Financial Corp.
5.38%, 03/04/46		115		134,664
Markel Corp.
4.30%, 11/01/47 (Call 05/01/47)		100		95,753
5.00%, 04/05/46		100		106,330
Marsh & McLennan Companies Inc.
4.20%, 03/01/48		40		39,914
Massachusetts Mutual Life Insurance Co.
4.50%, 04/15/65^a		25		24,333
8.88%, 06/01/39^a		14		21,954
MetLife Capital Trust IV
7.88%, 12/15/67 (Call 12/15/32)^a		150		190,990
MetLife Inc.
4.05%, 03/01/45		3		2,913
4.13%, 08/13/42		171		169,334
4.60%, 05/13/46 (Call 11/13/45)		175		184,361
4.72%, 12/15/44		50		53,796
4.88%, 11/13/43		56		61,154
5.70%, 06/15/35		53		64,208
6.38%, 06/15/34		53		67,441
6.40%, 12/15/66 (Call 12/15/31)		175		197,291
6.50%, 12/15/32		55		69,575
Nationwide Mutual Insurance Co.
7.88%, 04/01/33^a		225		307,123
9.38%, 08/15/39^a		25		40,421
New York Life Insurance Co.
6.75%, 11/15/39^a		30		40,602


Security	Principal (000s)		Value
Northwestern Mutual Life Insurance Co. (The)
6.06%, 03/30/40^a	$	130	$	163,769
Pacific Life Insurance Co.
(3 mo. LIBOR US + 2.796%)
4.30%, 10/24/67 (Call 10/24/47)^a,b		100		93,695
Principal Financial Group Inc.
4.35%, 05/15/43		26		26,203
4.63%, 09/15/42		125		128,788
Progressive Corp. (The)
4.13%, 04/15/47 (Call 10/15/46)		115		115,979
4.35%, 04/25/44		35		36,576
Provident Financing Trust I
7.41%, 03/15/38		25		28,243
Prudential Financial Inc.
3.91%, 12/07/47 (Call 06/07/47)^a		96		90,814
3.94%, 12/07/49 (Call 06/07/49)^a		25		23,728
4.60%, 05/15/44		100		105,989
5.70%, 12/14/36		51		61,667
Series D
6.63%, 12/01/37		50		66,280
Sompo International Holdings Ltd.
7.00%, 07/15/34		10		12,214
Swiss Re Treasury U.S. Corp.
4.25%, 12/06/42^a		150		150,603
Teachers Insurance & Annuity Association of America
4.27%, 05/15/47 (Call 11/15/46)^a		100		98,880
4.90%, 09/15/44^a		75		81,394
6.85%, 12/16/39^a		254		338,264
Transatlantic Holdings Inc.
8.00%, 11/30/39		10		13,192
Travelers Companies Inc. (The)
3.75%, 05/15/46 (Call 11/15/45)		125		120,169
4.30%, 08/25/45 (Call 02/25/45)		25		26,114
4.60%, 08/01/43		25		27,252
5.35%, 11/01/40		2		2,405
6.25%, 06/15/37		54		70,149
6.75%, 06/20/36		125		168,556
Unum Group
5.75%, 08/15/42		25		29,427
Voya Financial Inc.
5.70%, 07/15/43		25		29,040


Security	Principal (000s)		Value
WR Berkley Corp.
4.75%, 08/01/44	$	35	$	35,853
XLIT Ltd.
5.25%, 12/15/43		10		10,885
5.50%, 03/31/45		70		74,534

				7,120,407
INTERNET — 0.44%
Alibaba Group Holding Ltd.
4.00%, 12/06/37 (Call 06/06/37)		200		191,102
4.20%, 12/06/47 (Call 06/06/47)		200		190,714
Amazon.com Inc.
3.88%, 08/22/37 (Call 02/22/37)^a		107		106,558
4.05%, 08/22/47 (Call 02/22/47)^a		312		310,078
4.25%, 08/22/57 (Call 02/22/57)^a		15		14,996
4.80%, 12/05/34 (Call 06/05/34)		120		132,639
4.95%, 12/05/44 (Call 06/05/44)		35		39,663
Booking Holdings Inc.
3.55%, 03/15/28 (Call 12/15/27)		35		33,669
eBay Inc.
4.00%, 07/15/42 (Call 01/15/42)		32		28,466
Netflix Inc.
4.88%, 04/15/28^a		165		162,081

				1,209,966
IRON & STEEL — 0.32%
ArcelorMittal
7.00%, 03/01/41		40		48,612
7.25%, 10/15/39		100		123,776
Cleveland-Cliffs Inc.
6.25%, 10/01/40		25		20,951
Nucor Corp.
5.20%, 08/01/43 (Call 02/01/43)		50		57,421
6.40%, 12/01/37		25		31,887
U.S. Steel Corp.
6.65%, 06/01/37		25		25,303
Vale Overseas Ltd.
6.88%, 11/21/36		150		180,492
8.25%, 01/17/34		25		32,483
Vale SA
5.63%, 09/11/42		335		361,009

				881,934
LEISURE TIME — 0.04%
Harley-Davidson Inc.
4.63%, 07/28/45 (Call 01/28/45)		10		10,275


Security	Principal (000s)		Value
Royal Caribbean Cruises Ltd.
3.70%, 03/15/28 (Call 12/15/27)	$	100	$	95,572

				105,847
MACHINERY — 0.24%
Caterpillar Inc.
3.80%, 08/15/42		200		198,726
4.30%, 05/15/44 (Call 11/15/43)^g		15		16,227
4.75%, 05/15/64 (Call 11/15/63)		175		195,013
5.20%, 05/27/41		41		49,024
Cummins Inc.
4.88%, 10/01/43 (Call 04/01/43)		25		27,961
Deere & Co.
3.90%, 06/09/42 (Call 12/09/41)		154		157,174

				644,125
MANUFACTURING — 1.00%
3M Co.
3.88%, 06/15/44		20		20,005
5.70%, 03/15/37		207		260,137
Dover Corp.
5.38%, 03/01/41 (Call 12/01/40)		35		40,602
Eaton Corp.
4.00%, 11/02/32		50		49,580
4.15%, 11/02/42		166		163,668
General Electric Co.
4.13%, 10/09/42		355		331,641
4.50%, 03/11/44		159		157,418
5.88%, 01/14/38		250		292,785
6.15%, 08/07/37		15		17,899
6.88%, 01/10/39		185		240,160
Series A
6.75%, 03/15/32		312		387,448
Illinois Tool Works Inc.
3.90%, 09/01/42 (Call 03/01/42)		3		3,025
Ingersoll-Rand Global Holding Co. Ltd.
4.30%, 02/21/48 (Call 08/21/47)		75		75,097
Parker-Hannifin Corp.
4.10%, 03/01/47 (Call 09/01/46)		150		152,142
4.20%, 11/21/34 (Call 05/21/34)		45		46,749
4.45%, 11/21/44 (Call 05/21/44)		100		106,970
Siemens Financieringsmaatschappij NV
4.20%, 03/16/47^a		250		260,470
4.40%, 05/27/45^a		100		106,901

				2,712,697


Security	Principal (000s)		Value
MEDIA — 2.70%
21st Century Fox America Inc.
4.75%, 09/15/44 (Call 03/15/44)	$	25	$	26,877
4.95%, 10/15/45 (Call 04/15/45)		10		11,118
5.40%, 10/01/43		200		234,090
6.15%, 03/01/37		24		29,921
6.15%, 02/15/41		32		40,371
6.20%, 12/15/34		11		13,629
6.40%, 12/15/35		242		306,077
6.65%, 11/15/37		125		163,730
6.90%, 08/15/39		25		33,655
7.75%, 12/01/45		30		45,752
CBS Corp.
3.70%, 06/01/28 (Call 03/01/28)^a		25		24,033
4.60%, 01/15/45 (Call 07/15/44)		85		82,645
4.85%, 07/01/42 (Call 01/01/42)		85		84,755
4.90%, 08/15/44 (Call 02/15/44)		35		35,861
7.88%, 07/30/30		35		46,109
Charter Communications Operating LLC/Charter Communications Operating Capital
4.20%, 03/15/28 (Call 12/15/27)		25		23,971
5.38%, 05/01/47 (Call 11/01/46)		200		197,598
6.38%, 10/23/35 (Call 04/23/35)		150		169,021
6.48%, 10/23/45 (Call 04/23/45)		155		174,294
6.83%, 10/23/55 (Call 04/23/55)		50		58,083
Comcast Corp.
3.20%, 07/15/36 (Call 01/15/36)		125		109,500
3.40%, 07/15/46 (Call 01/15/46)		145		124,149
3.97%, 11/01/47 (Call 05/01/47)		80		74,774
4.00%, 08/15/47 (Call 02/15/47)		50		46,958
4.00%, 11/01/49 (Call 05/01/49)		211		196,226
4.05%, 11/01/52 (Call 05/01/52)		151		140,989
4.20%, 08/15/34 (Call 02/15/34)		215		215,821
4.25%, 01/15/33		159		162,743
4.40%, 08/15/35 (Call 02/15/35)		182		185,069
4.50%, 01/15/43		25		25,388
4.60%, 08/15/45 (Call 02/15/45)		102		105,693
4.65%, 07/15/42		90		93,462
4.75%, 03/01/44		125		132,001
5.65%, 06/15/35		25		29,422
6.40%, 05/15/38		29		36,753
6.45%, 03/15/37		25		31,989


Security	Principal (000s)		Value
6.50%, 11/15/35	$	75	$	96,397
7.05%, 03/15/33		42		54,717
Cox Communications Inc.
4.50%, 06/30/43 (Call 12/30/42)^a		125		111,971
4.80%, 02/01/35 (Call 08/01/34)^a		25		24,502
Discovery Communications LLC
3.95%, 03/20/28 (Call 12/20/27)		229		219,838
4.88%, 04/01/43		100		95,222
4.95%, 05/15/42		115		109,339
5.00%, 09/20/37 (Call 03/20/37)		170		169,685
5.20%, 09/20/47 (Call 03/20/47)		10		9,937
6.35%, 06/01/40		140		157,756
Grupo Televisa SAB
6.13%, 01/31/46 (Call 07/31/45)		250		278,485
6.63%, 01/15/40		25		29,221
Liberty Interactive LLC
8.25%, 02/01/30		40		43,160
McClatchy Co. (The)
6.88%, 03/15/29^g		25		26,359
NBCUniversal Media LLC
4.45%, 01/15/43		127		128,095
5.95%, 04/01/41		150		182,527
Thomson Reuters Corp.
5.85%, 04/15/40		60		69,356
Time Warner Cable LLC
4.50%, 09/15/42 (Call 03/15/42)		175		154,658
5.50%, 09/01/41 (Call 03/01/41)		140		141,616
5.88%, 11/15/40 (Call 05/15/40)		113		119,987
6.55%, 05/01/37		205		232,339
6.75%, 06/15/39		35		40,199
7.30%, 07/01/38		155		187,274
Time Warner Entertainment Co. LP
8.38%, 07/15/33		53		70,334
Time Warner Inc.
4.65%, 06/01/44 (Call 12/01/43)		50		48,907
4.85%, 07/15/45 (Call 01/15/45)		91		91,581
4.90%, 06/15/42		85		85,931
5.35%, 12/15/43		30		32,130
6.10%, 07/15/40		71		82,187
6.25%, 03/29/41		104		123,717
7.63%, 04/15/31		2		2,615
Viacom Inc.
4.38%, 03/15/43		255		229,365
5.25%, 04/01/44 (Call 10/01/43)		50		50,797


Security	Principal (000s)		Value
5.85%, 09/01/43 (Call 03/01/43)	$	35	$	38,327
6.88%, 04/30/36		54		64,181
Walt Disney Co. (The)
3.00%, 07/30/46		25		21,264
3.70%, 12/01/42		10		9,708
4.13%, 06/01/44		125		129,597
7.00%, 03/01/32		31		41,611
Series E
4.13%, 12/01/41		25		25,800

				7,343,219
METAL FABRICATE & HARDWARE — 0.01%
Precision Castparts Corp.
3.90%, 01/15/43 (Call 07/15/42)		25		24,551

				24,551
MINING — 1.06%
Barrick Gold Corp.
5.25%, 04/01/42		77		85,596
Barrick North America Finance LLC
5.70%, 05/30/41		131		152,619
5.75%, 05/01/43		178		210,969
Barrick PD Australia Finance Pty Ltd.
5.95%, 10/15/39		103		120,951
BHP Billiton Finance USA Ltd.
4.13%, 02/24/42		30		30,791
5.00%, 09/30/43		100		115,200
Corp. Nacional del Cobre de Chile
4.25%, 07/17/42^a		200		193,636
5.63%, 10/18/43^f		200		232,818
Freeport-McMoRan Inc.
5.40%, 11/14/34 (Call 05/14/34)		75		73,125
5.45%, 03/15/43 (Call 09/15/42)		145		139,883
Glencore Finance Canada Ltd.
5.55%, 10/25/42^a		25		26,726
6.90%, 11/15/37^a		24		29,170
Goldcorp Inc.
5.45%, 06/09/44 (Call 12/09/43)		10		11,190
Kinross Gold Corp.
6.88%, 09/01/41 (Call 03/01/41)		15		17,309
Newcrest Finance Pty Ltd.
5.75%, 11/15/41^a		35		38,031
Newmont Mining Corp.
4.88%, 03/15/42 (Call 09/15/41)		125		132,210
6.25%, 10/01/39		175		214,102


Security	Principal (000s)		Value
Rio Tinto Alcan Inc.
5.75%, 06/01/35	$	75	$	90,641
6.13%, 12/15/33		2		2,478
Rio Tinto Finance USA Ltd.
5.20%, 11/02/40		50		58,444
7.13%, 07/15/28		62		79,660
Rio Tinto Finance USA PLC
4.13%, 08/21/42 (Call 02/21/42)		45		45,929
4.75%, 03/22/42 (Call 09/22/41)		25		27,647
Southern Copper Corp.
5.25%, 11/08/42		250		265,998
5.88%, 04/23/45		125		143,589
7.50%, 07/27/35		100		130,653
Teck Resources Ltd.
5.20%, 03/01/42 (Call 09/01/41)		25		24,159
5.40%, 02/01/43 (Call 08/01/42)		50		49,397
6.00%, 08/15/40 (Call 02/15/40)		25		26,836
6.13%, 10/01/35		25		27,147
6.25%, 07/15/41 (Call 01/15/41)		81		89,303

				2,886,207
OFFICE & BUSINESS EQUIPMENT — 0.00%
Xerox Corp.
6.75%, 12/15/39		10		10,717

				10,717
OIL & GAS — 5.21%
Anadarko Finance Co.
7.50%, 05/01/31		62		78,166
Anadarko Petroleum Corp.
4.50%, 07/15/44 (Call 01/15/44)		25		23,997
6.20%, 03/15/40		4		4,709
6.45%, 09/15/36		50		59,961
6.60%, 03/15/46 (Call 09/15/45)		255		318,350
Andeavor
4.50%, 04/01/48 (Call 10/01/47)		65		59,890
Apache Corp.
4.25%, 01/15/44 (Call 07/15/43)		31		28,619
4.75%, 04/15/43 (Call 10/15/42)		234		231,035
5.10%, 09/01/40 (Call 03/01/40)		279		286,968
6.00%, 01/15/37		2		2,267
Apache Finance Canada Corp.
7.75%, 12/15/29		25		31,354
BP Capital Markets PLC
3.72%, 11/28/28 (Call 08/28/28)		12		12,059


Security	Principal (000s)		Value
Burlington Resources Finance Co.
7.20%, 08/15/31	$	125	$	162,079
Canadian Natural Resources Ltd.
4.95%, 06/01/47 (Call 12/01/46)		167		174,209
6.25%, 03/15/38		230		277,709
Cenovus Energy Inc.
4.45%, 09/15/42 (Call 03/15/42)		75		66,022
5.20%, 09/15/43 (Call 03/15/43)		10		9,635
5.25%, 06/15/37 (Call 12/15/36)		240		240,252
5.40%, 06/15/47 (Call 12/15/46)		55		55,202
6.75%, 11/15/39		26		29,797
CNOOC Finance 2015 Australia Pty Ltd.
4.20%, 05/05/45		200		193,956
Concho Resources Inc.
4.88%, 10/01/47 (Call 04/01/47)		130		134,763
Conoco Funding Co.
7.25%, 10/15/31		50		66,304
ConocoPhillips
5.90%, 10/15/32		225		268,762
6.50%, 02/01/39		162		211,676
ConocoPhillips Co.
4.15%, 11/15/34 (Call 05/15/34)		30		30,283
4.30%, 11/15/44 (Call 05/15/44)		9		9,261
5.95%, 03/15/46 (Call 09/15/45)		50		63,084
ConocoPhillips Holding Co.
6.95%, 04/15/29		159		202,798
Continental Resources Inc./OK
4.90%, 06/01/44 (Call 12/01/43)		75		72,183
Devon Energy Corp.
4.75%, 05/15/42 (Call 11/15/41)		154		155,129
5.00%, 06/15/45 (Call 12/15/44)		114		119,137
5.60%, 07/15/41 (Call 01/15/41)		146		163,200
7.95%, 04/15/32		7		9,401
Diamond Offshore Drilling Inc.
4.88%, 11/01/43 (Call 05/01/43)		87		62,966
5.70%, 10/15/39		35		28,701
Ecopetrol SA
5.88%, 05/28/45		425		426,453
7.38%, 09/18/43		50		59,578
Encana Corp.
6.50%, 08/15/34		29		34,580
6.50%, 02/01/38		25		30,139
6.63%, 08/15/37		30		36,599


Security	Principal (000s)		Value
7.38%, 11/01/31	$	25	$	31,427
8.13%, 09/15/30		100		130,997
Ensco PLC
5.75%, 10/01/44 (Call 04/01/44)		75		51,938
EOG Resources Inc.
3.90%, 04/01/35 (Call 10/01/34)		60		59,304
Exxon Mobil Corp.
3.57%, 03/06/45 (Call 09/06/44)		145		137,653
4.11%, 03/01/46 (Call 09/01/45)		294		306,507
Gazprom OAO Via Gaz Capital SA
4.95%, 02/06/28^f		200		204,750
Hess Corp.
5.60%, 02/15/41		105		107,976
5.80%, 04/01/47 (Call 10/01/46)		125		131,946
6.00%, 01/15/40		103		108,978
7.30%, 08/15/31		31		37,701
Husky Energy Inc.
6.80%, 09/15/37		10		12,307
KazMunayGas National Co. JSC
5.75%, 04/30/43^f		200		206,632
Kerr-McGee Corp.
7.88%, 09/15/31		10		12,975
Marathon Oil Corp.
5.20%, 06/01/45 (Call 12/01/44)		10		10,501
6.60%, 10/01/37		90		108,449
Marathon Petroleum Corp.
4.75%, 09/15/44 (Call 03/15/44)		185		181,727
6.50%, 03/01/41 (Call 09/01/40)		18		21,873
Motiva Enterprises LLC
6.85%, 01/15/40^a		25		30,159
Murphy Oil Corp.
5.88%, 12/01/42 (Call 06/01/42)		25		23,528
7.05%, 05/01/29		25		26,829
Nexen Energy ULC
6.40%, 05/15/37		110		136,436
7.50%, 07/30/39		50		70,274
Noble Energy Inc.
4.95%, 08/15/47 (Call 02/15/47)		25		25,793
5.05%, 11/15/44 (Call 05/15/44)		140		145,103
5.25%, 11/15/43 (Call 05/15/43)		150		159,672
6.00%, 03/01/41 (Call 09/01/40)		43		49,576
Noble Holding International Ltd.
5.25%, 03/15/42		50		31,563
6.05%, 03/01/41		25		16,625


Security	Principal (000s)		Value
6.20%, 08/01/40	$	26	$	17,583
8.70%, 04/01/45 (Call 10/01/44)		25		21,249
Occidental Petroleum Corp.
4.10%, 02/15/47 (Call 08/15/46)		85		84,249
4.40%, 04/15/46 (Call 10/15/45)		259		269,075
4.63%, 06/15/45 (Call 12/15/44)		30		31,773
Pertamina Persero PT
5.63%, 05/20/43^f		200		205,994
6.45%, 05/30/44^f		200		228,256
Petrobras Global Finance BV
5.63%, 05/20/43		237		203,450
6.75%, 01/27/41		200		193,146
6.85%, 12/31/99		200		189,196
6.88%, 01/20/40		50		48,786
7.25%, 03/17/44		130		132,044
Petroleos de Venezuela SA
9.75%, 05/17/35^f,h		225		61,312
Petroleos del Peru SA
4.75%, 06/19/32^f		200		196,182
Petroleos Mexicanos
5.50%, 06/27/44		364		326,566
5.63%, 01/23/46		780		699,910
6.38%, 01/23/45		220		214,023
6.50%, 06/02/41		200		198,002
6.63%, 06/15/35		200		207,246
6.63%, 06/15/38		100		101,515
6.75%, 09/21/47		139		141,278
Petronas Capital Ltd.
4.50%, 03/18/45^f		200		207,456
Phillips 66
4.65%, 11/15/34 (Call 05/15/34)		139		145,658
4.88%, 11/15/44 (Call 05/15/44)		90		94,666
Pride International LLC
7.88%, 08/15/40		25		21,787
Rowan Companies Inc.
5.40%, 12/01/42 (Call 06/01/42)		25		18,208
5.85%, 01/15/44 (Call 07/15/43)		25		19,261
Shell International Finance BV
3.75%, 09/12/46		70		66,683
4.00%, 05/10/46		325		321,009
4.13%, 05/11/35		92		94,870
4.38%, 05/11/45		250		262,877
4.55%, 08/12/43		5		5,366


Security	Principal (000s)		Value
5.50%, 03/25/40	$	156	$	187,983
6.38%, 12/15/38		100		132,188
Sinopec Group Overseas Development 2015 Ltd.
4.10%, 04/28/45^f		200		191,068
Sinopec Group Overseas Development 2017 Ltd.
4.25%, 04/12/47^f		300		293,238
Statoil ASA
3.95%, 05/15/43		216		213,864
4.80%, 11/08/43		56		63,011
5.10%, 08/17/40		6		6,937
Suncor Energy Inc.
5.35%, 07/15/33		10		11,286
6.50%, 06/15/38		75		96,746
6.80%, 05/15/38		264		349,948
6.85%, 06/01/39		10		13,439
7.15%, 02/01/32		16		20,347
Transocean Inc.
6.80%, 03/15/38		75		60,479
7.50%, 04/15/31		50		45,299
9.35%, 12/15/41		25		24,980
Valero Energy Corp.
4.90%, 03/15/45		125		132,742
6.63%, 06/15/37		156		194,296
7.50%, 04/15/32		6		7,846

				14,184,805
OIL & GAS SERVICES — 0.35%
Baker Hughes a GE Co. LLC
5.13%, 09/15/40		75		82,719
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
4.08%, 12/15/47 (Call 06/15/47)		141		132,419
Halliburton Co.
4.75%, 08/01/43 (Call 02/01/43)		58		60,287
4.85%, 11/15/35 (Call 05/15/35)		191		204,595
5.00%, 11/15/45 (Call 05/15/45)		225		243,020
6.70%, 09/15/38		53		68,569
7.45%, 09/15/39		2		2,749
National Oilwell Varco Inc.
3.95%, 12/01/42 (Call 06/01/42)		39		33,879
Weatherford International Ltd.
5.95%, 04/15/42 (Call 10/17/41)		25		18,083
6.50%, 08/01/36		50		38,500


Security	Principal (000s)		Value
6.75%, 09/15/40	$	55	$	42,271
7.00%, 03/15/38		50		39,477

				966,568
PACKAGING & CONTAINERS — 0.04%
Sealed Air Corp.
6.88%, 07/15/33^a		50		56,475
Sonoco Products Co.
5.75%, 11/01/40 (Call 05/01/40)		25		28,397
WestRock MWV LLC
8.20%, 01/15/30		10		13,550

				98,422
PHARMACEUTICALS — 2.66%
AbbVie Inc.
4.30%, 05/14/36 (Call 11/14/35)		145		145,252
4.40%, 11/06/42		95		94,211
4.45%, 05/14/46 (Call 11/14/45)		120		119,731
4.50%, 05/14/35 (Call 11/14/34)		334		343,776
4.70%, 05/14/45 (Call 11/14/44)		170		175,608
Allergan Funding SCS
4.55%, 03/15/35 (Call 09/15/34)		259		258,324
4.75%, 03/15/45 (Call 09/15/44)		105		104,321
4.85%, 06/15/44 (Call 12/15/43)		181		183,400
AmerisourceBergen Corp.
4.25%, 03/01/45 (Call 09/01/44)		25		23,353
4.30%, 12/15/47 (Call 06/15/47)		100		93,784
AstraZeneca PLC
4.00%, 09/18/42		30		28,611
4.38%, 11/16/45		73		73,872
6.45%, 09/15/37		450		575,991
Bristol-Myers Squibb Co.
3.25%, 08/01/42		150		134,806
Cardinal Health Inc.
4.37%, 06/15/47 (Call 12/15/46)		100		94,181
4.50%, 11/15/44 (Call 05/15/44)		10		9,581
4.60%, 03/15/43		15		14,716
CVS Health Corp.
4.88%, 07/20/35 (Call 01/20/35)		175		181,328
5.13%, 07/20/45 (Call 01/20/45)		297		310,350
5.30%, 12/05/43 (Call 06/05/43)		37		39,692
Eli Lilly & Co.
3.70%, 03/01/45 (Call 09/01/44)		54		52,129
3.95%, 05/15/47 (Call 11/15/46)		4		4,035


Security	Principal (000s)		Value
Express Scripts Holding Co.
4.80%, 07/15/46 (Call 01/15/46)	$	206	$	206,313
6.13%, 11/15/41		51		59,249
GlaxoSmithKline Capital Inc.
4.20%, 03/18/43		25		25,995
5.38%, 04/15/34		25		29,114
6.38%, 05/15/38		210		278,777
Johnson & Johnson
3.40%, 01/15/38 (Call 07/15/37)		31		29,662
3.50%, 01/15/48 (Call 07/15/47)		78		73,506
3.55%, 03/01/36 (Call 09/01/35)		259		254,970
3.63%, 03/03/37 (Call 09/03/36)		62		61,284
3.70%, 03/01/46 (Call 09/01/45)		280		273,759
4.38%, 12/05/33 (Call 06/05/33)		59		64,037
4.50%, 09/01/40		25		27,778
4.50%, 12/05/43 (Call 06/05/43)		45		49,675
Mead Johnson Nutrition Co.
4.60%, 06/01/44 (Call 12/01/43)		50		50,725
Merck & Co. Inc.
3.60%, 09/15/42 (Call 03/15/42)		150		143,365
3.70%, 02/10/45 (Call 08/10/44)		195		189,526
4.15%, 05/18/43		115		119,486
Mylan Inc.
5.40%, 11/29/43 (Call 05/29/43)		110		114,100
Mylan NV
5.25%, 06/15/46 (Call 12/15/45)		60		60,598
Novartis Capital Corp.
3.70%, 09/21/42		10		9,656
4.00%, 11/20/45 (Call 05/20/45)		142		144,758
4.40%, 05/06/44		167		180,953
Pfizer Inc.
4.00%, 12/15/36		257		264,633
4.13%, 12/15/46		9		9,267
4.30%, 06/15/43		185		193,858
4.40%, 05/15/44		100		106,633
5.60%, 09/15/40		35		42,420
7.20%, 03/15/39		285		413,786
Teva Pharmaceutical Finance Co. LLC
6.15%, 02/01/36		10		9,477
Teva Pharmaceutical Finance Netherlands III BV
4.10%, 10/01/46^g		225		166,255


Security	Principal (000s)		Value
Wyeth LLC
5.95%, 04/01/37	$	227	$	288,708
6.50%, 02/01/34		40		52,020
Zoetis Inc.
3.95%, 09/12/47 (Call 03/12/47)		110		104,306
4.70%, 02/01/43 (Call 08/01/42)		83		88,057

				7,247,758
PIPELINES — 1.97%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
5.20%, 12/01/47 (Call 06/01/47)		100		97,542
APT Pipelines Ltd.
5.00%, 03/23/35 (Call 12/23/34)^a		10		10,411
Buckeye Partners LP
5.85%, 11/15/43 (Call 05/15/43)		50		52,666
Colonial Pipeline Co.
7.63%, 04/15/32^a		25		34,857
Columbia Pipeline Group Inc.
5.80%, 06/01/45 (Call 12/01/44)		25		29,001
DCP Midstream Operating LP
5.60%, 04/01/44 (Call 10/01/43)		50		51,549
6.45%, 11/03/36^a		25		27,513
6.75%, 09/15/37^a		50		55,970
8.13%, 08/16/30		25		30,522
Enable Midstream Partners LP
5.00%, 05/15/44 (Call 11/15/43)		25		23,748
Enbridge Energy Partners LP
5.50%, 09/15/40 (Call 03/15/40)		21		22,263
7.38%, 10/15/45 (Call 04/15/45)		25		32,733
Enbridge Inc.
5.50%, 12/01/46 (Call 05/29/46)		14		15,778
Energy Transfer LP
4.90%, 03/15/35 (Call 09/15/34)		50		47,884
5.15%, 03/15/45 (Call 09/15/44)		15		14,090
5.30%, 04/15/47 (Call 10/15/46)		50		48,426
5.95%, 10/01/43 (Call 04/01/43)		50		52,129
6.13%, 12/15/45 (Call 06/15/45)		365		389,112
6.50%, 02/01/42 (Call 08/01/41)		109		120,349
6.63%, 10/15/36		10		11,224
EnLink Midstream Partners LP
5.60%, 04/01/44 (Call 10/01/43)		15		15,092
Enterprise Products Operating LLC
4.45%, 02/15/43 (Call 08/15/42)		44		43,549


Security	Principal (000s)		Value
4.85%, 08/15/42 (Call 02/15/42)	$	258	$	269,187
4.85%, 03/15/44 (Call 09/15/43)		69		72,207
4.90%, 05/15/46 (Call 11/15/45)		15		15,837
4.95%, 10/15/54 (Call 04/15/54)		30		31,198
5.10%, 02/15/45 (Call 08/15/44)		214		231,614
5.95%, 02/01/41		2		2,357
6.13%, 10/15/39		50		60,311
7.55%, 04/15/38		10		13,428
Kinder Morgan Energy Partners LP
4.70%, 11/01/42 (Call 05/01/42)		50		47,052
5.00%, 08/15/42 (Call 02/15/42)		20		19,561
5.00%, 03/01/43 (Call 09/01/42)		45		44,016
5.50%, 03/01/44 (Call 09/01/43)		150		154,824
5.80%, 03/15/35		10		10,885
6.38%, 03/01/41		50		56,853
6.95%, 01/15/38		51		62,082
Kinder Morgan Inc./DE
5.05%, 02/15/46 (Call 08/15/45)		90		88,557
5.20%, 03/01/48 (Call 09/01/47)		50		50,260
5.30%, 12/01/34 (Call 06/01/34)		75		76,946
5.55%, 06/01/45 (Call 12/01/44)		275		288,802
7.75%, 01/15/32		121		154,067
7.80%, 08/01/31		25		31,517
Magellan Midstream Partners LP
4.20%, 10/03/47 (Call 04/03/47)		40		38,518
5.15%, 10/15/43 (Call 04/15/43)		15		16,372
MPLX LP
5.20%, 03/01/47 (Call 09/01/46)		25		26,014
NGPL PipeCo LLC
7.77%, 12/15/37^a		50		61,484
ONEOK Inc.
6.00%, 06/15/35		10		11,179
ONEOK Partners LP
6.13%, 02/01/41 (Call 08/01/40)		125		144,225
6.20%, 09/15/43 (Call 03/15/43)		25		29,384
6.85%, 10/15/37		35		43,010
Phillips 66 Partners LP
3.75%, 03/01/28 (Call 12/01/27)		35		33,928
Plains All American Pipeline LP/PAA Finance Corp.
4.70%, 06/15/44 (Call 12/15/43)		45		40,849
4.90%, 02/15/45 (Call 08/15/44)		135		126,530
5.15%, 06/01/42 (Call 12/01/41)		10		9,589
6.65%, 01/15/37		10		11,418


Security	Principal (000s)		Value
Rockies Express Pipeline LLC
6.88%, 04/15/40^a	$	50	$	58,647
7.50%, 07/15/38^a		25		30,468
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)		18		17,655
Spectra Energy Partners LP
4.50%, 03/15/45 (Call 09/15/44)		25		24,467
5.95%, 09/25/43 (Call 03/25/43)		10		11,727
Sunoco Logistics Partners Operations LP
5.30%, 04/01/44 (Call 10/01/43)		65		63,015
5.35%, 05/15/45 (Call 11/15/44)		9		8,694
5.40%, 10/01/47 (Call 04/01/47)		14		13,708
6.10%, 02/15/42		10		10,631
Tennessee Gas Pipeline Co. LLC
7.00%, 10/15/28		25		29,805
Texas Eastern Transmission LP
4.15%, 01/15/48 (Call 07/15/47)^a		25		23,655
7.00%, 07/15/32		125		155,827
TransCanada PipeLines Ltd.
4.63%, 03/01/34 (Call 12/01/33)		167		177,058
5.60%, 03/31/34		50		57,412
6.10%, 06/01/40		28		34,861
6.20%, 10/15/37		12		14,949
7.25%, 08/15/38		250		342,417
7.63%, 01/15/39		44		62,521
Western Gas Partners LP
5.45%, 04/01/44 (Call 10/01/43)		25		25,578
Williams Companies Inc. (The)
5.75%, 06/24/44 (Call 12/24/43)		50		53,184
7.50%, 01/15/31		50		60,516
8.75%, 03/15/32		51		67,198
Williams Partners LP
4.90%, 01/15/45 (Call 07/15/44)		25		25,150
5.10%, 09/15/45 (Call 03/15/45)		170		175,763
5.40%, 03/04/44 (Call 09/04/43)		10		10,682
6.30%, 04/15/40		184		217,552

				5,373,609
PRIVATE EQUITY — 0.00%
KKR Group Finance Co. III LLC
5.13%, 06/01/44 (Call 12/01/43)^a		10		10,491

				10,491


Security	Principal (000s)		Value
REAL ESTATE INVESTMENT TRUSTS — 0.44%
AvalonBay Communities Inc.
4.15%, 07/01/47 (Call 01/01/47)	$	10	$	9,918
Crown Castle International Corp.
4.75%, 05/15/47 (Call 11/15/46)		125		125,405
ERP Operating LP
4.50%, 07/01/44 (Call 01/01/44)		44		45,873
Federal Realty Investment Trust
4.50%, 12/01/44 (Call 06/01/44)		75		77,459
HCP Inc.
6.75%, 02/01/41 (Call 08/01/40)		10		12,713
Iron Mountain Inc.
5.25%, 03/15/28 (Call 12/27/22)^a		75		71,464
Kilroy Realty LP
4.25%, 08/15/29 (Call 05/15/29)		25		24,821
Kimco Realty Corp.
4.25%, 04/01/45 (Call 10/01/44)		50		47,216
Realty Income Corp.
4.65%, 03/15/47 (Call 09/15/46)		215		224,163
Simon Property Group LP
4.25%, 10/01/44 (Call 04/01/44)		170		169,454
4.25%, 11/30/46 (Call 05/30/46)		25		24,935
4.75%, 03/15/42 (Call 09/15/41)		20		21,322
6.75%, 02/01/40 (Call 11/01/39)		25		33,292
Ventas Realty LP
4.38%, 02/01/45 (Call 08/01/44)		25		24,254
Welltower Inc.
6.50%, 03/15/41 (Call 09/15/40)		60		75,521
Weyerhaeuser Co.
7.38%, 03/15/32		155		203,823

				1,191,633
RETAIL — 1.51%
Bed Bath & Beyond Inc.
4.92%, 08/01/34 (Call 02/01/34)		175		152,570
5.17%, 08/01/44 (Call 02/01/44)		25		21,059
Home Depot Inc. (The)
3.50%, 09/15/56 (Call 03/15/56)		235		207,773
3.90%, 06/15/47 (Call 12/15/46)		27		26,591
4.20%, 04/01/43 (Call 10/01/42)		5		5,152
4.25%, 04/01/46 (Call 10/01/45)		105		108,628
4.40%, 03/15/45 (Call 09/15/44)		276		291,823
4.88%, 02/15/44 (Call 08/15/43)		19		21,383
5.88%, 12/16/36		227		289,677
5.95%, 04/01/41 (Call 10/01/40)		67		85,785


Security	Principal (000s)		Value
JC Penney Corp. Inc.
6.38%, 10/15/36	$	10	$	6,758
7.40%, 04/01/37		25		17,995
7.63%, 03/01/97		25		17,136
Kohl’s Corp.
5.55%, 07/17/45 (Call 01/17/45)		10		9,817
L Brands Inc.
6.75%, 07/01/36		50		49,250
6.88%, 11/01/35		100		99,503
6.95%, 03/01/33		25		24,420
7.60%, 07/15/37		25		25,368
Lowe’s Companies Inc.
3.70%, 04/15/46 (Call 10/15/45)		156		144,344
4.05%, 05/03/47 (Call 11/03/46)		165		161,654
4.25%, 09/15/44 (Call 03/15/44)		25		25,250
4.38%, 09/15/45 (Call 03/15/45)		92		94,800
4.65%, 04/15/42 (Call 10/15/41)		52		55,858
Macy’s Retail Holdings Inc.
4.50%, 12/15/34 (Call 06/15/34)		130		113,409
6.90%, 04/01/29		50		52,924
McDonald’s Corp.
3.63%, 05/01/43		35		31,724
3.70%, 02/15/42		25		22,983
4.45%, 03/01/47 (Call 09/01/46)		125		128,029
4.60%, 05/26/45 (Call 11/26/44)		10		10,450
4.70%, 12/09/35 (Call 06/09/35)		18		19,263
4.88%, 12/09/45 (Call 06/09/45)		106		115,344
6.30%, 10/15/37		70		89,221
6.30%, 03/01/38		128		163,689
New Albertson’s Inc.
7.45%, 08/01/29		55		45,993
8.00%, 05/01/31		25		21,398
8.70%, 05/01/30		25		22,645
Nordstrom Inc.
5.00%, 01/15/44 (Call 07/15/43)		27		26,060
QVC Inc.
5.45%, 08/15/34 (Call 02/15/34)		25		23,857
Starbucks Corp.
3.75%, 12/01/47 (Call 06/01/47)		100		94,776
4.30%, 06/15/45 (Call 12/15/44)		10		10,395
Target Corp.
3.63%, 04/15/46		200		182,818
3.90%, 11/15/47 (Call 05/15/47)		86		82,285
4.00%, 07/01/42		220		215,789


Security	Principal (000s)		Value
Walgreens Boots Alliance Inc.
4.50%, 11/18/34 (Call 05/18/34)	$	10	$	9,875
4.65%, 06/01/46 (Call 12/01/45)		75		73,118
4.80%, 11/18/44 (Call 05/18/44)		155		154,599
Walmart Inc.
3.63%, 12/15/47 (Call 06/15/47)		69		66,991
4.00%, 04/11/43 (Call 10/11/42)		58		59,754
4.30%, 04/22/44 (Call 10/22/43)		79		84,987
5.25%, 09/01/35		160		192,125
5.63%, 04/15/41		5		6,408
Yum! Brands Inc.
6.88%, 11/15/37		50		53,551

				4,117,054
SEMICONDUCTORS — 0.36%
Applied Materials Inc.
4.35%, 04/01/47 (Call 10/01/46)		15		15,638
5.10%, 10/01/35 (Call 04/01/35)		20		23,086
5.85%, 06/15/41		10		12,535
Intel Corp.
3.73%, 12/08/47 (Call 06/08/47)^a		385		369,219
4.00%, 12/15/32		74		77,209
4.10%, 05/19/46 (Call 11/19/45)		41		41,875
4.10%, 05/11/47 (Call 11/11/46)		55		56,190
QUALCOMM Inc.
4.30%, 05/20/47 (Call 11/20/46)		22		20,476
4.65%, 05/20/35 (Call 11/20/34)		130		131,598
4.80%, 05/20/45 (Call 11/20/44)		225		225,706

				973,532
SOFTWARE — 1.51%
Fidelity National Information Services Inc.
4.50%, 08/15/46 (Call 02/15/46)		99		97,485
Microsoft Corp.
3.45%, 08/08/36 (Call 02/08/36)		40		38,798
3.50%, 02/12/35 (Call 08/12/34)		195		191,252
3.50%, 11/15/42		125		119,010
3.70%, 08/08/46 (Call 02/08/46)		195		189,653
3.75%, 02/12/45 (Call 08/12/44)		105		103,185
3.95%, 08/08/56 (Call 02/08/56)		244		243,427
4.00%, 02/12/55 (Call 08/12/54)		310		309,895
4.10%, 02/06/37 (Call 08/06/36)		203		213,463
4.20%, 11/03/35 (Call 05/03/35)		30		31,978
4.45%, 11/03/45 (Call 05/03/45)		135		148,072


Security	Principal (000s)		Value
4.50%, 10/01/40	$	5	$	5,491
4.50%, 02/06/57 (Call 08/06/56)		325		355,771
4.75%, 11/03/55 (Call 05/03/55)		115		131,042
5.20%, 06/01/39		30		35,749
5.30%, 02/08/41		82		99,559
Series 30Y
4.25%, 02/06/47 (Call 08/06/46)		325		346,723
Oracle Corp.
3.25%, 05/15/30 (Call 02/15/30)		120		115,012
3.80%, 11/15/37 (Call 05/15/37)		98		96,824
3.85%, 07/15/36 (Call 01/15/36)		55		54,933
3.90%, 05/15/35 (Call 11/15/34)		106		106,484
4.00%, 07/15/46 (Call 01/15/46)		300		295,884
4.00%, 11/15/47 (Call 05/15/47)		75		74,205
4.13%, 05/15/45 (Call 11/15/44)		143		144,008
4.30%, 07/08/34 (Call 01/08/34)		135		142,231
4.38%, 05/15/55 (Call 11/15/54)		50		51,945
4.50%, 07/08/44 (Call 01/08/44)		141		150,251
5.38%, 07/15/40		109		131,728
6.13%, 07/08/39		9		11,771
6.50%, 04/15/38		60		81,260

				4,117,089
TELECOMMUNICATIONS — 4.29%
America Movil SAB de CV
6.13%, 11/15/37		25		29,876
6.13%, 03/30/40		250		301,185
6.38%, 03/01/35		40		48,439
AT&T Inc.
4.30%, 02/15/30 (Call 11/15/29)^a		110		107,287
4.30%, 12/15/42 (Call 06/15/42)		225		204,905
4.35%, 06/15/45 (Call 12/15/44)		250		224,063
4.50%, 05/15/35 (Call 11/15/34)		210		202,766
4.50%, 03/09/48 (Call 09/09/47)		775		706,064
4.55%, 03/09/49 (Call 09/09/48)		167		152,663
4.75%, 05/15/46 (Call 11/15/45)		250		236,182
4.80%, 06/15/44 (Call 12/15/43)		300		287,055
4.90%, 08/14/37 (Call 02/14/37)		125		125,266
5.15%, 03/15/42		275		277,909
5.15%, 11/15/46 (Call 05/15/46)^a		75		75,028
5.25%, 03/01/37 (Call 09/01/36)		450		466,249
5.30%, 08/14/58 (Call 02/14/58)		25		24,955
5.35%, 09/01/40		135		139,088
5.45%, 03/01/47 (Call 09/01/46)		50		52,113


Security	Principal (000s)		Value
5.65%, 02/15/47 (Call 08/15/46)	$	95	$	101,356
5.70%, 03/01/57 (Call 09/01/56)^g		125		133,358
6.00%, 08/15/40 (Call 05/15/40)		200		222,034
6.38%, 03/01/41		125		145,858
British Telecommunications PLC
9.13%, 12/15/30		176		255,383
CenturyLink Inc.
7.60%, 09/15/39		50		43,664
7.65%, 03/15/42		50		43,719
Cisco Systems Inc.
5.50%, 01/15/40		105		130,834
5.90%, 02/15/39		275		357,467
Deutsche Telekom International Finance BV
4.88%, 03/06/42^a		150		161,007
8.75%, 06/15/30		264		377,354
Embarq Corp.
8.00%, 06/01/36		152		143,734
Frontier Communications Corp.
9.00%, 08/15/31		75		49,113
Juniper Networks Inc.
5.95%, 03/15/41		25		25,985
Koninklijke KPN NV
8.38%, 10/01/30		25		33,204
Motorola Solutions Inc.
5.50%, 09/01/44		10		9,950
Nokia OYJ
6.63%, 05/15/39		25		27,283
Orange SA
5.38%, 01/13/42		38		43,896
5.50%, 02/06/44 (Call 08/06/43)^g		59		68,688
9.00%, 03/01/31		235		345,699
Qwest Capital Funding Inc.
7.75%, 02/15/31		25		23,035
Qwest Corp.
6.88%, 09/15/33 (Call 04/02/18)		114		109,243
Rogers Communications Inc.
4.50%, 03/15/43 (Call 09/15/42)		25		25,350
5.00%, 03/15/44 (Call 09/15/43)		148		162,078
SES Global Americas Holdings GP
5.30%, 03/25/44^a		24		20,737
Sprint Capital Corp.
6.88%, 11/15/28		250		240,147
8.75%, 03/15/32		125		136,175


Security	Principal (000s)		Value
Telecom Italia Capital SA
6.00%, 09/30/34	$	50	$	52,616
6.38%, 11/15/33		100		109,079
7.20%, 07/18/36		65		76,282
7.72%, 06/04/38		73		89,429
Telefonica Emisiones SAU
4.90%, 03/06/48		150		150,018
7.05%, 06/20/36		180		229,102
Telefonica Europe BV
8.25%, 09/15/30		112		153,076
U.S. Cellular Corp.
6.70%, 12/15/33		50		52,617
Verizon Communications Inc.
3.85%, 11/01/42 (Call 05/01/42)		230		200,197
4.13%, 08/15/46		125		111,619
4.27%, 01/15/36		10		9,595
4.40%, 11/01/34 (Call 05/01/34)		375		367,815
4.50%, 08/10/33		12		12,065
4.52%, 09/15/48		500		472,520
4.67%, 03/15/55		457		426,907
4.75%, 11/01/41		37		36,945
4.81%, 03/15/39		272		273,896
4.86%, 08/21/46		325		323,706
5.01%, 04/15/49		319		323,533
5.01%, 08/21/54		445		438,187
5.25%, 03/16/37		35		37,234
5.50%, 03/16/47		105		114,900
6.55%, 09/15/43		182		227,895
Vodafone Group PLC
4.38%, 02/19/43		52		49,848
6.15%, 02/27/37		91		109,000
6.25%, 11/30/32		33		38,780
7.88%, 02/15/30		70		91,855

				11,676,160
TOYS, GAMES & HOBBIES — 0.02%
Hasbro Inc.
5.10%, 05/15/44 (Call 11/15/43)		25		24,669
6.35%, 03/15/40		10		11,555
Mattel Inc.
5.45%, 11/01/41 (Call 05/01/41)		26		23,368

				59,592


Security	Principal (000s)		Value
TRANSPORTATION — 1.57%
Burlington Northern Santa Fe LLC
3.90%, 08/01/46 (Call 02/01/46)	$	30	$	29,381
4.13%, 06/15/47 (Call 12/15/46)		35		35,452
4.15%, 04/01/45 (Call 10/01/44)		55		55,685
4.38%, 09/01/42 (Call 03/01/42)		10		10,473
4.45%, 03/15/43 (Call 09/15/42)		14		14,813
4.55%, 09/01/44 (Call 03/01/44)		230		245,826
4.90%, 04/01/44 (Call 10/01/43)		104		117,017
5.15%, 09/01/43 (Call 03/01/43)		125		144,059
5.75%, 05/01/40 (Call 11/01/39)		255		312,696
6.15%, 05/01/37		25		31,753
Canadian National Railway Co.
3.20%, 08/02/46 (Call 02/02/46)		25		22,333
6.20%, 06/01/36		35		45,128
6.38%, 11/15/37		21		28,028
Canadian Pacific Railway Co.
4.80%, 08/01/45 (Call 02/01/45)		25		27,847
5.95%, 05/15/37		26		32,348
6.13%, 09/15/15 (Call 03/15/15)		103		126,382
CSX Corp.
3.80%, 11/01/46 (Call 05/01/46)		213		194,569
3.95%, 05/01/50 (Call 11/01/49)		200		183,464
4.10%, 03/15/44 (Call 09/15/43)		38		36,462
4.25%, 11/01/66 (Call 05/01/66)		25		22,818
4.50%, 08/01/54 (Call 02/01/54)		25		24,491
6.00%, 10/01/36		26		31,650
6.15%, 05/01/37		15		18,554
6.22%, 04/30/40		30		37,488
FedEx Corp.
3.90%, 02/01/35		165		158,997
4.10%, 02/01/45		45		42,797
4.40%, 01/15/47 (Call 07/15/46)		97		96,203
4.55%, 04/01/46 (Call 10/01/45)		50		50,868
4.75%, 11/15/45 (Call 05/15/45)		183		190,878
4.90%, 01/15/34		25		26,863
5.10%, 01/15/44		133		145,604
Kansas City Southern
4.30%, 05/15/43 (Call 11/15/42)		50		49,219
4.95%, 08/15/45 (Call 02/15/45)		10		10,737
Lima Metro Line 2 Finance Ltd.
5.88%, 07/05/34^f		200		210,838


Security	Principal (000s)		Value
Norfolk Southern Corp.
3.94%, 11/01/47 (Call 05/01/47)^a	$	99	$	95,625
4.05%, 08/15/52 (Call 02/15/52)^a		86		82,160
4.45%, 06/15/45 (Call 12/15/44)		95		98,455
4.65%, 01/15/46 (Call 07/15/45)		75		80,086
4.84%, 10/01/41		25		27,404
Union Pacific Corp.
3.38%, 02/01/35 (Call 08/01/34)		85		80,676
3.80%, 10/01/51 (Call 04/01/51)		29		27,758
4.00%, 04/15/47 (Call 10/15/46)		200		201,172
4.05%, 11/15/45 (Call 05/15/45)		10		10,118
4.05%, 03/01/46 (Call 09/01/45)		10		10,192
4.10%, 09/15/67 (Call 03/15/67)		100		96,593
4.38%, 11/15/65 (Call 05/15/65)		75		76,295
4.75%, 09/15/41 (Call 03/15/41)		10		11,066
4.82%, 02/01/44 (Call 08/01/43)		50		56,079
6.63%, 02/01/29		25		31,348
United Parcel Service Inc.
3.40%, 11/15/46 (Call 05/15/46)		125		112,224
3.63%, 10/01/42		50		47,423
3.75%, 11/15/47 (Call 05/15/47)		92		87,971
6.20%, 01/15/38		160		208,184
XPO CNW Inc.
6.70%, 05/01/34		25		26,061

				4,278,611
TRUCKING & LEASING — 0.06%
GATX Corp.
3.50%, 03/15/28 (Call 12/15/27)		100		94,788
5.20%, 03/15/44 (Call 09/15/43)		55		59,967

				154,755
WATER — 0.02%
American Water Capital Corp.
4.30%, 12/01/42 (Call 06/01/42)		25		26,050
4.30%, 09/01/45 (Call 03/01/45)		10		10,496
6.59%, 10/15/37		15		20,097

				56,643

TOTAL CORPORATE BONDS & NOTES
(Cost: $143,657,365)				140,971,815


Security	Principal (000s)		Value
FOREIGN GOVERNMENT OBLIGATIONSⁱ — 8.26%

ARGENTINA — 0.61%
Argentine Republic Government International Bond
2.50%, 12/31/38^e	$	515	$	342,851
7.13%, 07/06/36		200		194,790
7.13%, 06/28/49^f		140		129,738
7.63%, 04/22/46		150		149,260
8.28%, 12/31/33		764		833,124

				1,649,763
BAHRAIN — 0.13%
Bahrain Government International Bond
6.00%, 09/19/44^f		200		166,168
7.00%, 10/12/28^f		200		197,860

				364,028
BRAZIL — 0.59%
Brazilian Government International Bond
4.63%, 01/13/28 (Call 10/13/27)		550		541,535
5.00%, 01/27/45		500		448,685
5.63%, 01/07/41		250		242,363
5.63%, 02/21/47		200		193,430
7.13%, 01/20/37		100		117,056
8.25%, 01/20/34		50		63,532

				1,606,601
CANADA — 0.13%
Province of Quebec Canada
7.50%, 09/15/29		250		342,898

				342,898
CHILE — 0.12%
Chile Government International Bond
3.63%, 10/30/42		150		140,813
3.86%, 06/21/47		200		190,112

				330,925
COLOMBIA — 0.29%
Colombia Government International Bond
5.00%, 06/15/45 (Call 12/15/44)		200		199,178
5.63%, 02/26/44 (Call 08/26/43)		200		216,334
6.13%, 01/18/41		100		114,132
7.38%, 09/18/37		200		255,442

				785,086


Security	Principal (000s)		Value
COSTA RICA — 0.08%
Costa Rica Government International Bond
7.00%, 04/04/44^f	$	200	$	208,076

				208,076
DOMINICAN REPUBLIC — 0.08%
Dominican Republic International Bond
6.85%, 01/27/45^f		100		108,562
7.45%, 04/30/44^f		100		114,730

				223,292
EGYPT — 0.16%
Egypt Government International Bond
8.50%, 01/31/47^f		400		448,000

				448,000
EL SALVADOR — 0.08%
El Salvador Government International Bond
7.65%, 06/15/35^f		150		158,806
8.25%, 04/10/32^f		60		67,706

				226,512
HUNGARY — 0.08%
Hungary Government International Bond
7.63%, 03/29/41		150		217,655

				217,655
INDONESIA — 0.70%
Indonesia Government International Bond
4.35%, 01/11/48		200		190,016
4.63%, 04/15/43^f		200		196,902
5.13%, 01/15/45^f		200		207,008
5.25%, 01/17/42^f		200		210,324
5.25%, 01/08/47^f		200		212,148
5.95%, 01/08/46^f		200		232,576
6.63%, 02/17/37^f		100		121,100
6.75%, 01/15/44^f		200		253,008
7.75%, 01/17/38^f		100		135,434
8.50%, 10/12/35^f		100		142,261

				1,900,777


Security	Principal (000s)		Value
ISRAEL — 0.08%
Israel Government International Bond
4.50%, 01/30/43	$	200	$	205,186

				205,186
ITALY — 0.03%
Republic of Italy Government International Bond
5.38%, 06/15/33		74		84,550

				84,550
IVORY COAST — 0.11%
Ivory Coast Government International Bond
5.75%, 12/31/32 (Call 06/30/18)^e,f		95		91,560
6.38%, 03/03/28^f		200		203,116

				294,676
JAMAICA — 0.17%
Jamaica Government International Bond
6.75%, 04/28/28		200		224,102
7.88%, 07/28/45		200		243,064

				467,166
KAZAKHSTAN — 0.08%
Kazakhstan Government International Bond
4.88%, 10/14/44^f		200		204,008

				204,008
LEBANON — 0.19%
Lebanon Government International Bond
6.65%, 02/26/30^f		200		180,172
6.85%, 05/25/29		300		276,939
7.25%, 03/23/37^f		50		45,831

				502,942
MEXICO — 0.72%
Mexico Government International Bond
4.35%, 01/15/47		200		181,752
4.60%, 01/23/46		200		187,246
4.60%, 02/10/48		300		281,685
4.75%, 03/08/44		358		344,260
5.55%, 01/21/45		250		268,397
5.75%, 10/12/99		200		201,900


Security	Principal (000s)		Value
6.05%, 01/11/40	$	100	$	112,509
6.75%, 09/27/34		100		123,931
7.50%, 04/08/33		100		131,989
8.30%, 08/15/31		75		113,307

				1,946,976
NIGERIA — 0.08%
Nigeria Government International Bond
7.88%, 02/16/32^f		200		215,868

				215,868
OMAN — 0.07%
Oman Government International Bond
6.50%, 03/08/47^f		200		196,512

				196,512
PANAMA — 0.27%
Panama Government International Bond
3.88%, 03/17/28 (Call 12/17/27)		400		403,820
6.70%, 01/26/36		155		197,310
9.38%, 04/01/29		100		146,375

				747,505
PERU — 0.20%
Peruvian Government International Bond
5.63%, 11/18/50		200		239,818
6.55%, 03/14/37		100		129,086
8.75%, 11/21/33		107		161,604

				530,508
PHILIPPINES — 0.49%
Philippine Government International Bond
3.70%, 02/02/42		400		376,064
3.95%, 01/20/40		500		489,270
6.38%, 01/15/32		165		204,257
6.38%, 10/23/34		100		126,768
7.75%, 01/14/31		100		135,682

				1,332,041
QATAR — 0.20%
Qatar Government International Bond
4.63%, 06/02/46^f		200		198,110
6.40%, 01/20/40^a		100		121,359
9.75%, 06/15/30^a		150		225,165

				544,634


Security	Principal (000s)		Value
ROMANIA — 0.04%
Romanian Government International Bond
6.13%, 01/22/44^f	$	100	$	120,955

				120,955
RUSSIA — 0.63%
Russian Foreign Bond-Eurobond
5.25%, 06/23/47^f		400		417,012
5.63%, 04/04/42^f		200		221,162
5.88%, 09/16/43^f		200		228,952
7.50%, 03/31/30^e,f		309		351,561
12.75%, 06/24/28^f		300		509,064

				1,727,751
SAUDI ARABIA — 0.39%
Saudi Government International Bond
3.63%, 03/04/28^f		200		190,742
4.50%, 10/26/46^f		400		379,536
4.63%, 10/04/47^f		500		482,645

				1,052,923
SENEGAL — 0.07%
Senegal Government International Bond
6.25%, 05/23/33^f		200		198,648

				198,648
SOUTH AFRICA — 0.17%
Republic of South Africa Government International Bond
5.00%, 10/12/46		400		366,248
6.25%, 03/08/41		100		108,047

				474,295
SUPRANATIONAL — 0.19%
Asian Development Bank
5.82%, 06/16/28		26		31,383
European Investment Bank
4.88%, 02/15/36		100		123,201
Inter-American Development Bank
3.20%, 08/07/42		100		97,000
3.88%, 10/28/41		30		32,530
4.38%, 01/24/44		175		204,169
International Bank for Reconstruction & Development
4.75%, 02/15/35		25		30,452

				518,735


Security	Principal (000s)		Value
TURKEY — 0.61%
Turkey Government International Bond
4.88%, 04/16/43	$	400	$	328,664
5.75%, 05/11/47		200		181,424
6.00%, 01/14/41		300		286,194
6.63%, 02/17/45		200		203,084
6.75%, 05/30/40		100		104,277
6.88%, 03/17/36		235		248,522
7.25%, 03/05/38		125		137,790
8.00%, 02/14/34		150		175,894

				1,665,849
UKRAINE — 0.07%
Ukraine Government International Bond
7.38%, 09/25/32^f		200		194,422

				194,422
UNITED ARAB EMIRATES — 0.07%
Abu Dhabi Government International Bond
4.13%, 10/11/47^f		200		189,874

				189,874
URUGUAY — 0.22%
Uruguay Government International Bond
4.13%, 11/20/45		100		94,603
5.10%, 06/18/50		150		156,406
7.63%, 03/21/36		210		289,794
7.88%, 01/15/33		50		69,227

				610,030
VENEZUELA — 0.06%
Venezuela Government International Bond
7.00%, 03/31/38^f,h		125		33,438
9.25%, 05/07/28^f,h		100		26,750
9.38%, 01/13/34^h		100		28,625
11.95%, 08/05/31^f,h		250		72,187

				161,000

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $23,143,544)				22,490,667


Security	Principal (000s)		Value
MUNICIPAL DEBT OBLIGATIONS — 3.37%

ARIZONA — 0.02%
Salt River Project Agricultural Improvement & Power District RB BAB
4.84%, 01/01/41	$	50	$	57,132

				57,132
CALIFORNIA — 1.32%
Bay Area Toll Authority RB BAB
Series F-2
6.26%, 04/01/49		100		138,523
Series S-3
6.91%, 10/01/50		250		367,145
City of San Francisco CA Public Utilities Commission Water Revenue RB BAB
6.95%, 11/01/50		100		142,049
East Bay Municipal Utility District Water System Revenue RB BAB
Series B
5.87%, 06/01/40		50		62,302
Los Angeles Community College District/CA GO BAB
6.75%, 08/01/49		50		72,728
Los Angeles County Metropolitan Transportation Authority RB BAB
Series A
5.74%, 06/01/39		60		72,194
Los Angeles County Public Works Financing Authority RB BAB
7.62%, 08/01/40		50		73,318
Los Angeles Department of Water & Power System Revenue RB BAB
Series A
6.17%, 07/01/40 (Call 07/01/20)		500		537,280
Los Angeles Unified School District/CA GO BAB
5.75%, 07/01/34		150		183,703
San Diego County Water Authority Financing Corp. RB BAB
Series B
6.14%, 05/01/49		50		67,038


Security	Principal (000s)		Value
Santa Clara Valley Transportation Authority RB BAB
5.88%, 04/01/32	$	100	$	118,558
State of California GO BAB
7.30%, 10/01/39		300		432,237
7.50%, 04/01/34		120		171,516
7.55%, 04/01/39		200		301,246
7.60%, 11/01/40		155		238,655
7.63%, 03/01/40		150		226,138
7.95%, 03/01/36 (Call 03/01/20)		100		110,256
University of California RB
Series AD
4.86%, 05/15/12		100		103,713
Series AQ
4.77%, 05/15/15		100		101,262
University of California RB BAB
5.77%, 05/15/43		50		62,703

				3,582,564
COLORADO — 0.01%
Regional Transportation District RB BAB
Series B
5.84%, 11/01/50		20		25,561

				25,561
GEORGIA — 0.05%
Municipal Electric Authority of Georgia RB BAB
Project J, Series 2010-A
6.64%, 04/01/57		55		67,250
Project M, Series 2010-A
6.66%, 04/01/57		50		60,680

				127,930
ILLINOIS — 0.24%
Metropolitan Water Reclamation District of Greater Chicago GOL BAB
5.72%, 12/01/38		55		68,204
State of Illinois GO
5.10%, 06/01/33		500		471,175
State of Illinois GO BAB
Series 5
7.35%, 07/01/35		100		109,563

				648,942


Security	Principal (000s)		Value
MARYLAND — 0.02%
Maryland State Transportation Authority RB BAB
5.89%, 07/01/43	$	50	$	62,907

				62,907
MASSACHUSETTS — 0.12%
Commonwealth of Massachusetts GOL BAB
Series E
5.46%, 12/01/39		200		242,104
Commonwealth of Massachusetts Transportation Fund Revenue RB BAB
Series A
5.73%, 06/01/40		25		31,093
Massachusetts School Building Authority RB BAB
Series B
5.72%, 08/15/39		50		60,699

				333,896
NEW JERSEY — 0.31%
New Jersey Economic Development Authority RB
Series A
7.43%, 02/15/29 (NPFGC)		100		123,202
New Jersey State Turnpike Authority RB BAB
7.10%, 01/01/41		100		141,901
Series F
7.41%, 01/01/40		150		219,786
New Jersey Transportation Trust Fund Authority RB BAB
Series C
5.75%, 12/15/28		250		279,930
6.10%, 12/15/28 (Call 12/15/20)		75		77,986

				842,805
NEW YORK — 0.70%
City of New York NY GO BAB
Series C-1
5.52%, 10/01/37		100		120,678
Metropolitan Transportation Authority RB BAB
7.34%, 11/15/39		100		148,486


Security	Principal (000s)		Value
Series E
6.81%, 11/15/40	$	150	$	205,108
New York City Transitional Finance Authority Future Tax Secured Revenue RB BAB
5.51%, 08/01/37		50		60,446
5.57%, 11/01/38		150		181,513
New York City Water & Sewer System RB BAB
5.72%, 06/15/42		250		321,877
6.01%, 06/15/42		100		132,855
New York State Dormitory Authority RB BAB
5.63%, 03/15/39		100		119,145
New York State Urban Development Corp. RB BAB
5.77%, 03/15/39		55		64,574
Port Authority of New York & New Jersey RB
4.93%, 10/01/51 (GOI)		150		173,181
6.04%, 12/01/29		40		48,926
Series 174
4.46%, 10/01/62		150		161,267
Series 181
4.96%, 08/01/46		50		57,641
Series 192
4.81%, 10/15/65		100		112,988

				1,908,685
OHIO — 0.17%
American Municipal Power Inc. RB BAB
Series B
7.83%, 02/15/41		125		187,576
Series E
6.27%, 02/15/50		50		63,462
Ohio State University (The) RB
Series A
4.80%, 12/31/99		75		79,402
Ohio State University (The) RB BAB
Series C
4.91%, 06/01/40		100		114,908


Security	Principal (000s)		Value
Ohio Water Development Authority Water Pollution Control Loan Fund RB BAB
Series B-2
4.88%, 12/01/34	$	25	$	27,466

				472,814
OREGON — 0.10%
Oregon School Boards Association GOL
Series B
5.55%, 06/30/28 (NPFGC)		100		113,060
State of Oregon Department of Transportation RB BAB
Series 2010-A
5.83%, 11/15/34		50		61,412
State of Oregon GO
5.89%, 06/01/27		75		87,913

				262,385
TENNESSEE — 0.02%
Metropolitan Government of Nashville & Davidson County Convention Center Authority RB BAB
6.73%, 07/01/43		40		53,883

				53,883
TEXAS — 0.26%
City of Houston TX GOL
Series A
6.29%, 03/01/32		50		57,456
City of San Antonio TX Electric & Gas Systems Revenue RB
5.72%, 02/01/41		25		31,173
5.81%, 02/01/41		50		61,592
Dallas Area Rapid Transit RB BAB
6.00%, 12/01/44		50		64,908
Dallas County Hospital District GOL BAB
Series C
5.62%, 08/15/44		30		36,286
Dallas Independent School District GO BAB
Series C
6.45%, 02/15/35 (Call 02/15/21) (PSF)		40		44,099


Security	Principal (000s)		Value
North Texas Tollway Authority RB BAB
Series B
6.72%, 01/01/49	$	50	$	71,588
State of Texas GO BAB
5.52%, 04/01/39		200		252,516
Texas Transportation Commission State Highway Fund RB BAB
Series B
5.18%, 04/01/30		75		86,498

				706,116
WASHINGTON — 0.02%
State of Washington GO BAB
Series F
5.14%, 08/01/40		50		59,481

				59,481
WISCONSIN — 0.01%
State of Wisconsin RB
Series C
3.15%, 05/01/27		25		24,362

				24,362

TOTAL MUNICIPAL DEBT OBLIGATIONS
(Cost: $9,149,567)				9,169,463

U.S. GOVERNMENT & AGENCY OBLIGATIONS — 34.90%

U.S. GOVERNMENT AGENCY OBLIGATIONS — 1.38%
Federal Home Loan Banks
5.50%, 07/15/36		150		196,125
Federal Home Loan Mortgage Corp.
6.25%, 07/15/32		1,075		1,443,918
6.75%, 03/15/31		200		273,966
Federal National Mortgage Association
6.25%, 05/15/29		250		321,010
Tennessee Valley Authority
3.50%, 12/15/42		50		50,778
5.25%, 09/15/39		65		83,419
5.38%, 04/01/56		500		658,645
7.13%, 05/01/30		525		726,091

				3,753,952


Security	Principal (000s)		Value
U.S. GOVERNMENT OBLIGATIONS — 33.52%
U.S. Treasury Note/Bond
2.25%, 08/15/46	$	850	$	708,975
2.50%, 02/15/45		1,475		1,306,334
2.50%, 02/15/46		3,175		2,801,466
2.50%, 05/15/46		1,300		1,146,054
2.75%, 11/15/42		474		444,751
2.75%, 08/15/47		1,600		1,482,388
2.75%, 11/15/47		3,100		2,872,391
2.88%, 05/15/43		3,000		2,875,100
2.88%, 08/15/45		3,375		3,217,830
2.88%, 11/15/46		4,500		4,281,046
3.00%, 05/15/42		1,100		1,082,271
3.00%, 11/15/44		15,575		15,229,245
3.00%, 05/15/45		1,375		1,343,648
3.00%, 11/15/45		3,625		3,539,560
3.00%, 02/15/47		1,375		1,340,917
3.00%, 05/15/47		2,300		2,241,867
3.00%, 02/15/48		650		633,902
3.13%, 11/15/41		2,900		2,916,202
3.13%, 08/15/44		2,050		2,051,430
3.38%, 05/15/44		1,450		1,516,274
3.50%, 02/15/39		140		149,978
3.63%, 08/15/43		2,950		3,214,515
3.63%, 02/15/44		350		381,532
3.75%, 08/15/41		74		82,205
3.75%, 11/15/43		2,000		2,223,617
3.88%, 08/15/40		1,000		1,130,359
4.25%, 05/15/39		4,600		5,464,910
4.25%, 11/15/40		2,550		3,039,642
4.38%, 02/15/38		950		1,143,241
4.38%, 11/15/39		3,180		3,845,408
4.38%, 05/15/40		1,095		1,326,113
4.38%, 05/15/41		2,680		3,255,190
4.50%, 08/15/39		1,700		2,088,114
4.75%, 02/15/41		2,450		3,124,475
5.25%, 02/15/29		600		732,282
5.38%, 02/15/31		1,250		1,580,869
6.13%, 08/15/29		1,500		1,970,528
6.25%, 05/15/30		2,625		3,521,977

				91,306,606

TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS
(Cost: $101,324,107)				95,060,558


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 0.86%

MONEY MARKET FUNDS — 0.86%
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^j,k,l		2,338	$	2,338,349

				2,338,349

TOTAL SHORT-TERM INVESTMENTS
(Cost: $2,338,349)				2,338,349

TOTAL INVESTMENTS IN SECURITIES — 99.15%
(Cost: $279,612,932)				270,030,852
Other Assets, Less Liabilities — 0.85%				2,301,296

NET ASSETS — 100.00%			$	272,332,148

BAB — Build America Bond

GO — General Obligation

GOI — General Obligation of the Issuer

GOL — General Obligation Limited

PSF — Permanent School Fund

RB — Revenue Bond

Insured by:

NPFGC — National Public Finance Guarantee Corp.

^a	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^b	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^c	Security is perpetual in nature with no stated maturity date.

^d	Zero-coupon bond.

^e	Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently in effect.

^f	This security may be resold to qualified foreign investors and foreign institutional buyers under Regulation S of the Securities Act of 1933.

^g	All or a portion of this security is on loan.

^h	Issuer is in default of interest payments.

ⁱ	Investments are denominated in U.S. dollars.

^j	Affiliate of the Fund.

^k	Annualized 7-day yield as of period end.

^l	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

The iShares Core 5-10 Year USD Bond ETF may purchase mortgage pass-through securities on a when-issued or to-be-announced (“TBA”) basis, with payment and delivery scheduled for a future date. The Fund may enter into a TBA agreement, sell the obligation to purchase the pools stipulated in the TBA agreement prior to the stipulated settlement date and enter into a new TBA agreement for future delivery of pools of mortgage pass-through securities (a “TBA roll”). A TBA roll is treated by the Fund as a purchase transaction and a sale transaction in which the Fund realizes a gain or loss. The Fund’s use of TBA rolls may cause the Fund to experience higher portfolio turnover and higher transaction costs. The Fund could be exposed to possible risk if there are adverse market actions, expenses or delays in connection with the TBA transactions, or if the counterparty fails to complete the transaction.

of the Funds. Any additional required collateral is delivered to the Funds and any excess collateral is returned by the Funds on the next business day. During the term of the loan, each Fund is entitled to all distributions made on or in respect of the loaned securities but does not receive interest income on securities received as collateral. Loans of securities are terminable at any time and the borrower, after notice, is required to return borrowed securities within the standard time period for settlement of securities transactions.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

For its investment advisory services to the iShares Core 5-10 Year USD Bond ETF, BFA is entitled to an annual investment advisory fee of 0.06%, accrued daily and paid monthly by the Fund, based on the average daily net assets of the Fund. Prior to August 4, 2017, BFA was entitled to an annual investment advisory fee of 0.08%. In addition, the Fund may incur its pro rata share of fees and expenses attributable to its investments in other investment companies (“acquired fund fees and expenses”). BFA has contractually agreed to waive a portion of its investment advisory fee for the Fund through February 28, 2021 in an amount equal to the acquired fund fees and expenses, if any, attributable to investments by the Fund in other registered investment companies advised by BFA or its affiliates.

For its investment advisory services to the iShares Core 10+ Year USD Bond ETF, BFA is entitled to an annual investment advisory fee of 0.06%, accrued daily and paid monthly by the Fund, based on the average daily net assets of the Fund. Prior to August 4, 2017, BFA was entitled to an annual investment advisory fee of 0.08%.

to the total of income earned from the reinvestment of cash collateral (excluding collateral investment fees), net of fees and other payments to and from borrowers of securities. The Funds retain a portion of securities lending income and remit the remaining portion to BTC as compensation for its services as securities lending agent.

For the year ended February 28, 2018, the total of securities lending agent services and collateral investment fees paid were as follows:

For the year ended February 28, 2018, the sales transactions executed by the iShares Core 10+ Year USD Bond ETF pursuant to Rule 17a-7 under the 1940 Act were $66,125.

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind transactions (see Note 4) for the year ended February 28, 2018 were as follows:

political, social or economic instability or to factors that affect a particular industry or group of industries. The extent of a fund’s exposure to market risk is the market value of the investments held as shown in the fund’s schedule of investments.

The United States and the European Union, along with the regulatory bodies of a number of countries including Japan, Australia, Norway, Switzerland and Canada, have imposed economic sanctions, which consist of asset freezes and sectorial sanctions, on certain Russian individuals and Russian corporate entities. Broader sanctions on Russia could also be instituted. These sanctions, or even the threat of further sanctions, may result in the decline of the value and liquidity of Russian securities, a weakening of the ruble or other adverse consequences to the Russian economy. Current or future sanctions may result in Russia taking counter measures or retaliatory actions, which may further impair the value and liquidity of Russian securities. These retaliatory measures may include the immediate freeze of Russian assets held by a fund.

U.S. GAAP requires that certain components of net assets be adjusted to reflect permanent differences between financial and tax reporting. These reclassifications have no effect on net assets or NAV per share. The following permanent differences as of February 28, 2018, attributable to realized gains (losses) from in-kind redemptions were reclassified to the following accounts:

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

For the year ended February 28, 2018, the iShares Core 10+ Year USD Bond ETF utilized $714,299 of its capital loss carryforwards.

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares Core 5-10 Year USD Bond ETF and iShares Core 10+ Year USD Bond ETF (two of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations for the year ended February 28, 2018, the statements of changes in net assets for each of the periods indicated in the table below, including the related notes, and the financial highlights for each of the periods indicated therein (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, the results of each of their operations for the year then ended, the changes in each of their net assets for each of the periods indicated in the table below and each of the financial highlights for each of the periods indicated therein in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

The Funds hereby designate the following amounts of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018:

expressed as a percentage of the NAV. A discount is the amount that a fund is trading below the reported NAV, expressed as a percentage of the NAV.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

U.S. corporate bond performance was mixed during the period from July 11, 2017, to February 28, 2018 (“reporting period”). The Bloomberg Barclays U.S. Corporate and Corporate High Yield Indexes, broad measures of U.S. investment-grade and high-yield corporate bond performance, returned 0.03% and 2.36%, respectively, for the reporting period.

The annual consumer inflation rate remained near the 2% level targeted by the U.S. Federal Reserve Bank (“Fed”). However, signs of increasing inflation emerged late for the reporting period, including a sharp rise in energy prices and higher prices at the producer level. Inflation is typically measured in terms of both final (consumer) and intermediate (producer) goods; the Fed targets inflation in final goods.

In this environment, the Fed raised its short-term interest rate target once during the reporting period, to its highest level since October 2008. The Fed also began to reduce the amount of U.S. Treasury bonds and mortgage-backed securities on its balance sheet in October 2017. The interest rate increase and balance sheet reduction were part of the Fed’s plan to gradually reverse substantial economic stimulus measures, implemented in response to the 2008 credit crisis, and re-establish more normal monetary policy conditions.

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher Treasury bond yields and lower bond prices, particularly in the latter half of the reporting period. However, investment-grade and high-yield corporate bonds outperformed Treasury bonds as the difference in yield between corporate and Treasury bonds narrowed during the reporting period.

The inception date of the Fund was 7/11/17. The first day of secondary market trading was 7/13/17.

The Bloomberg Barclays U.S. Corporate High Yield Index is an unmanaged index that measures the U.S. dollar-denominated, high yield, fixed-rate corporate bond market.

The iShares Edge High Yield Defensive Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated, high yield corporate bonds, as represented by the BlackRock High Yield Defensive Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the reporting period from July 11, 2017 (inception date of the Fund) through February 28, 2018, the total return for the Fund was 3.35%, net of fees, while the total return for the Index was 3.27%.

Bonds in the industrial sector contributed the majority of the Index’s return for the reporting period. Within the industrial sector, which represented approximately 89% of the Index on average, bonds issued by energy companies contributed the most to the Index’s performance as steadily rising oil prices and a decline in bankruptcies led to improved investor confidence in the ability of energy companies to service their debt. Among these, bonds issued by oilfield services companies contributed the most, followed by those of independent energy and refining companies.

Bonds issued by metals producers also made a solid contribution to the Index’s return for the reporting period as U.S.-based metals and mining companies were considered to be among the most significant beneficiaries of the 2017 federal tax reform bill. Other contributors within the industrial sector included debt issued by healthcare, pharmaceutical, and retail companies.

The utilities sector, which was composed entirely of electric utilities, was a solid contributor to the Index’s return for the reporting period, as tax reform freed up funds for increases in capital expenditures and further investments in the power grid. The financial sector also contributed modestly to performance, despite a selloff related to repatriation of assets held overseas.

On the downside, bonds issued by wireless and wireline telecommunication services providers detracted from the Index’s performance for the reporting period.

Looking at credit quality, lower-rated bonds were meaningful contributors to the Index’s return, benefiting from strong investor demand for yield. However, higher-rated bonds also contributed notably to the Index’s performance for the reporting period.

ALLOCATION BY MATURITY

As of 2/28/18


Maturity		Percentage of Total Investments²


1-5 Years	21.31	%
5-10 Years	72.00
10-15 Years	2.07
15-20 Years	1.24
More than 20 Years	3.38

TOTAL	100.00	%

The inception date of the Fund was 7/11/17. The first day of secondary market trading was 7/13/17.

The Bloomberg Barclays U.S. Corporate Index is an unmanaged index that measures the U.S. dollar-denominated, investment grade, fixed-rate, taxable corporate bond market.

The iShares Edge Investment Grade Enhanced Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar denominated investment grade bonds, as represented by the BlackRock Investment Grade Enhanced Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the reporting period from July 11, 2017 (inception date of the Fund) through February 28, 2018, the total return for the Fund was -0.23%, net of fees, while the total return for the Index was -0.20%.

Bonds in the financial sector were detractors from the Index’s performance for the reporting period, with the majority of the negative return coming from debt issued by banks and insurance companies. Changes in the U.S. tax code weighed heavily on bank-issued debt. Bonds issued by insurance companies, and especially health insurance companies, were modest detractors. Property and casualty insurers, which faced losses from three significant hurricanes in 2017, were also small detractors from performance.

Bonds issued by companies in the industrial sector, which represented approximately 67% of the Index on average, also detracted from the Index’s performance for the reporting period. Bonds issued by consumer-related companies detracted the most within the industrial sector, as healthcare and pharmaceutical companies dealt with an uncertain regulatory environment. Debt issued by industrial sector companies in the energy and metals industries, however, made positive contributions to the Index’s return for the reporting period.

Bonds issued by companies in the utilities sector contributed to the Index’s performance for the reporting period. Within the sector, securities issued by both electric and natural gas utilities were positive contributors to the Index’s return, as tax reform freed up funds for increases in capital expenditures and further investments in the power grid.

Looking at credit quality, lower-rated bonds detracted from the Index’s performance for the reporting period, while the highest-rated bonds in the Index were modest contributors to return. From a maturity perspective, long-term bonds contributed to the Index’s performance, while short- and intermediate-term bonds detracted.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating¹		Percentage of Total Investments²


Aaa	0.50	%
Aa	0.81
A	17.12
Baa	76.79
Ba	4.22
Not Rated	0.56

TOTAL	100.00	%

ALLOCATION BY MATURITY

As of 2/28/18


Maturity		Percentage of Total Investments²


1-5 Years	6.20	%
5-10 Years	73.46
10-15 Years	3.51
15-20 Years	6.92
More than 20 Years	9.91

TOTAL	100.00	%


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 96.05%

AEROSPACE & DEFENSE — 1.85%
KLX Inc.
5.88%, 12/01/22 (Call 04/02/18)^a	$	100	$	103,000
TransDigm Inc.
6.38%, 06/15/26 (Call 06/15/21)		100		102,250
6.50%, 07/15/24 (Call 07/15/19)		25		25,781

				231,031
AGRICULTURE — 0.61%
Vector Group Ltd.
6.13%, 02/01/25 (Call 02/01/20)^a		75		76,593

				76,593
AIRLINES — 0.81%
Allegiant Travel Co.
5.50%, 07/15/19		50		51,063
American Airlines Group Inc.
4.63%, 03/01/20^a		50		50,500

				101,563
AUTO MANUFACTURERS — 1.58%
Navistar International Corp.
6.63%, 11/01/25 (Call 11/01/20)^a		100		103,000
Tesla Inc.
5.30%, 08/15/25 (Call 08/15/20)^a,b		100		94,905

				197,905
AUTO PARTS & EQUIPMENT — 1.23%
Allison Transmission Inc.
5.00%, 10/01/24 (Call 10/01/19)^a		50		50,687
Dana Financing Luxembourg Sarl
5.75%, 04/15/25 (Call 04/15/20)^a		25		25,610
Meritor Inc.
6.25%, 02/15/24 (Call 02/15/19)		50		52,000
Titan International Inc.
6.50%, 11/30/23 (Call 11/30/19)^a		25		25,500

				153,797
BEVERAGES — 0.60%
Cott Holdings Inc.
5.50%, 04/01/25 (Call 04/01/20)^a		75		74,708

				74,708
BUILDING MATERIALS — 1.83%
Builders FirstSource Inc.
5.63%, 09/01/24 (Call 09/01/19)^a		100		101,750


Security	Principal (000s)		Value
Griffon Corp.
5.25%, 03/01/22 (Call 04/02/18)	$	75	$	75,187
Summit Materials LLC/Summit Materials Finance Corp.
6.13%, 07/15/23 (Call 07/15/18)		50		51,500

				228,437
CHEMICALS — 2.30%
CF Industries Inc.
5.38%, 03/15/44^b		85		79,687
CVR Partners LP/CVR Nitrogen Finance Corp.
9.25%, 06/15/23 (Call 06/15/19)^a		50		53,000
Kraton Polymers LLC/Kraton Polymers Capital Corp.
7.00%, 04/15/25 (Call 04/15/20)^a		50		51,625
Platform Specialty Products Corp.
6.50%, 02/01/22 (Call 04/02/18)^a		100		102,625

				286,937
COAL — 1.04%
Peabody Energy Corp.
6.00%, 03/31/22 (Call 03/31/19)^a		25		25,625
6.38%, 03/31/25 (Call 03/31/20)^a		50		52,125
SunCoke Energy Partners LP/SunCoke Energy Partners Finance Corp.
7.50%, 06/15/25 (Call 06/15/20)^a		50		52,125

				129,875
COMMERCIAL SERVICES — 1.86%
Laureate Education Inc.
8.25%, 05/01/25 (Call 05/01/20)^a		75		79,875
Ritchie Bros. Auctioneers Inc.
5.38%, 01/15/25 (Call 01/15/20)^a		50		50,565
RR Donnelley & Sons Co.
7.88%, 03/15/21		50		52,562
ServiceMaster Co. LLC (The)
5.13%, 11/15/24 (Call 11/15/19)^a		50		49,250

				232,252
COMPUTERS — 1.25%
Conduent Finance Inc./Conduent Business Services LLC
10.50%, 12/15/24 (Call 12/15/20)^a		25		29,430
NCR Corp.
5.00%, 07/15/22 (Call 04/02/18)		75		75,188


Security	Principal (000s)		Value
6.38%, 12/15/23 (Call 12/15/18)	$	50	$	52,000

				156,618
COSMETICS & PERSONAL CARE — 1.01%
Avon International Operations Inc.
7.88%, 08/15/22 (Call 08/15/19)^a,b		100		103,000
Avon Products Inc.
7.00%, 03/15/23		25		22,712

				125,712
DISTRIBUTION & WHOLESALE — 0.81%
LKQ Corp.
4.75%, 05/15/23 (Call 05/15/18)		100		101,250

				101,250
DIVERSIFIED FINANCIAL SERVICES — 4.22%
Ally Financial Inc.
8.00%, 11/01/31		75		93,000
Icahn Enterprises LP/Icahn Enterprises Finance Corp.
6.38%, 12/15/25 (Call 12/15/20)		25		25,094
6.75%, 02/01/24 (Call 02/01/20)		100		102,000
LPL Holdings Inc.
5.75%, 09/15/25 (Call 03/15/20)^a		100		101,250
Navient Corp.
6.13%, 03/25/24^b		100		101,000
6.75%, 06/25/25^b		50		51,327
7.25%, 09/25/23		50		53,125

				526,796
ELECTRIC — 2.32%
AES Corp./VA
5.50%, 03/15/24 (Call 03/15/19)		50		51,062
DPL Inc.
7.25%, 10/15/21 (Call 07/15/21)		100		109,000
NRG Energy Inc.
5.75%, 01/15/28 (Call 01/15/23)^a,b		50		49,365
7.25%, 05/15/26 (Call 05/15/21)		75		80,055

				289,482
ELECTRICAL COMPONENTS & EQUIPMENT — 0.20%
Energizer Holdings Inc.
5.50%, 06/15/25 (Call 06/15/20)^a		25		25,000

				25,000
ENTERTAINMENT — 5.18%
Caesars Resort Collection LLC/CRC Finco Inc.
5.25%, 10/15/25 (Call 10/15/20)^a		100		97,750


Security	Principal (000s)		Value
Cedar Fair LP/Canada’s Wonderland Co./Magnum Management Corp.
5.38%, 06/01/24 (Call 06/01/19)	$	50	$	51,312
Cinemark USA Inc.
4.88%, 06/01/23 (Call 06/01/18)		50		49,688
Eldorado Resorts Inc.
6.00%, 04/01/25 (Call 04/01/20)		25		25,750
International Game Technology PLC
6.50%, 02/15/25 (Call 08/15/24)^a		200		214,500
Scientific Games International Inc.
10.00%, 12/01/22 (Call 12/01/18)		100		108,500
Six Flags Entertainment Corp.
4.88%, 07/31/24 (Call 07/31/19)^a		100		99,759

				647,259
ENVIRONMENTAL CONTROL — 0.20%
Covanta Holding Corp.
5.88%, 07/01/25 (Call 07/01/20)		25		24,875

				24,875
FOOD — 2.58%
Dean Foods Co.
6.50%, 03/15/23 (Call 04/02/18)^a,b		75		73,313
Pilgrim’s Pride Corp.
5.75%, 03/15/25 (Call 03/15/20)^a		50		49,750
5.88%, 09/30/27 (Call 09/30/22)^a		50		48,615
Post Holdings Inc.
5.50%, 03/01/25 (Call 03/01/20)^a		150		150,937

				322,615
GAS — 0.40%
AmeriGas Partners LP/AmeriGas Finance Corp.
5.63%, 05/20/24 (Call 03/20/24)		50		50,250

				50,250
HEALTH CARE – PRODUCTS — 0.78%
DJO Finco Inc./DJO Finance LLC/DJO Finance Corp.
8.13%, 06/15/21 (Call 06/15/18)^a,b		100		97,000

				97,000
HEALTH CARE – SERVICES — 4.70%
DaVita Inc.
5.00%, 05/01/25 (Call 05/01/20)		100		98,125
5.13%, 07/15/24 (Call 07/15/19)		50		49,656
Encompass Health Corp.
5.75%, 11/01/24 (Call 04/02/18)		100		101,000


Security	Principal (000s)		Value
HCA Inc.
5.38%, 02/01/25	$	50	$	50,829
7.50%, 02/15/22		75		82,969
MEDNAX Inc.
5.25%, 12/01/23 (Call 12/01/18)^a,b		50		51,187
Tenet Healthcare Corp.
6.75%, 06/15/23^b		25		25,000
7.00%, 08/01/25 (Call 08/01/20)^a,b		50		49,875
8.13%, 04/01/22^b		75		79,125

				587,766
HOLDING COMPANIES – DIVERSIFIED — 0.63%
HRG Group Inc.
7.75%, 01/15/22 (Call 04/02/18)		75		78,234

				78,234
HOME BUILDERS — 1.19%
MDC Holdings Inc.
6.00%, 01/15/43 (Call 10/15/42)		50		47,500
PulteGroup Inc.
5.50%, 03/01/26 (Call 12/01/25)		50		50,812
TRI Pointe Group Inc./TRI Pointe Homes Inc.
5.88%, 06/15/24		25		25,750
William Lyon Homes Inc.
5.88%, 01/31/25 (Call 01/31/20)		25		24,938

				149,000
HOUSEHOLD PRODUCTS & WARES — 0.62%
Spectrum Brands Inc.
5.75%, 07/15/25 (Call 07/15/20)^b		75		77,250

				77,250
INTERNET — 1.82%
Netflix Inc.
4.88%, 04/15/28^a		75		73,688
VeriSign Inc.
4.63%, 05/01/23 (Call 05/01/18)		50		50,375
Zayo Group LLC/Zayo Capital Inc.
6.00%, 04/01/23 (Call 04/02/18)		100		103,875

				227,938
IRON & STEEL — 3.30%
Allegheny Technologies Inc.
7.88%, 08/15/23 (Call 05/15/23)^b		75		81,563
ArcelorMittal
7.00%, 03/01/41		100		121,510


Security	Principal (000s)		Value
Cleveland-Cliffs Inc.
5.75%, 03/01/25 (Call 03/01/20)^a	$	100	$	97,062
U.S. Steel Corp.
6.88%, 08/15/25 (Call 08/15/20)		25		26,250
8.38%, 07/01/21 (Call 07/01/18)^a		80		85,800

				412,185
MACHINERY — 0.40%
Terex Corp.
5.63%, 02/01/25 (Call 02/01/20)^a		50		50,500

				50,500
MANUFACTURING — 1.42%
Bombardier Inc.
6.13%, 01/15/23^a		75		75,188
7.50%, 03/15/25 (Call 03/15/20)^a,b		100		102,625

				177,813
MEDIA — 4.34%
DISH DBS Corp.
5.00%, 03/15/23		25		22,969
5.88%, 11/15/24^b		100		93,750
7.75%, 07/01/26^b		75		73,875
Sirius XM Radio Inc.
5.38%, 04/15/25 (Call 04/15/20)^a		100		101,625
6.00%, 07/15/24 (Call 07/15/19)^a,b		50		52,250
Virgin Media Secured Finance PLC
5.50%, 08/15/26 (Call 08/15/21)^a		200		197,980

				542,449
MINING — 4.60%
Alcoa Nederland Holding BV
6.75%, 09/30/24 (Call 09/30/19)^a		200		214,500
Freeport-McMoRan Inc.
3.88%, 03/15/23 (Call 12/15/22)		100		97,000
6.88%, 02/15/23 (Call 02/15/20)		50		53,875
Hecla Mining Co.
6.88%, 05/01/21 (Call 04/02/18)		50		50,875
IAMGOLD Corp.
7.00%, 04/15/25 (Call 04/15/20)^a		50		51,500
Joseph T Ryerson & Son Inc.
11.00%, 05/15/22 (Call 05/15/19)^a		50		55,667
New Gold Inc.
6.25%, 11/15/22 (Call 04/02/18)^a		50		51,375

				574,792


Security	Principal (000s)		Value
OIL & GAS — 9.51%
Calumet Specialty Products Partners LP/Calumet Finance Corp.
6.50%, 04/15/21 (Call 04/02/18)	$	100	$	97,500
Chesapeake Energy Corp.
8.00%, 01/15/25 (Call 01/15/20)^a		100		98,750
8.00%, 06/15/27 (Call 06/15/22)^a,b		50		47,938
CNX Resources Corp.
8.00%, 04/01/23 (Call 04/02/18)		100		105,875
Continental Resources Inc./OK
5.00%, 09/15/22 (Call 04/02/18)		75		76,125
CVR Refining LLC/Coffeyville Finance Inc.
6.50%, 11/01/22 (Call 04/02/18)		50		51,187
Diamond Offshore Drilling Inc.
7.88%, 08/15/25 (Call 05/15/25)		50		50,750
Eclipse Resources Corp.
8.88%, 07/15/23 (Call 07/15/18)		50		50,250
Ensco PLC
4.50%, 10/01/24 (Call 07/01/24)^b		50		40,750
5.20%, 03/15/25 (Call 12/15/24)		100		83,000
Matador Resources Co.
6.88%, 04/15/23 (Call 04/15/18)		50		52,250
Murphy Oil Corp.
6.88%, 08/15/24 (Call 08/15/19)		50		52,569
PBF Holding Co. LLC/PBF Finance Corp.
7.00%, 11/15/23 (Call 11/15/18)		50		52,000
7.25%, 06/15/25 (Call 06/15/20)		50		51,750
Rowan Companies Inc.
4.88%, 06/01/22 (Call 03/01/22)		75		70,500
7.38%, 06/15/25 (Call 03/15/25)		50		49,375
Transocean Inc.
7.50%, 01/15/26 (Call 01/15/21)^a		50		50,375
9.00%, 07/15/23 (Call 07/15/20)^a		100		108,000

				1,188,944
OIL & GAS SERVICES — 2.41%
McDermott International Inc.
8.00%, 05/01/21 (Call 04/02/18)^a		50		51,187
SESI LLC
7.13%, 12/15/21 (Call 04/02/18)		75		76,500
7.75%, 09/15/24 (Call 09/15/20)^a		25		26,000


Security	Principal (000s)		Value
Weatherford International Ltd.
7.75%, 06/15/21 (Call 05/15/21)	$	50	$	49,813
8.25%, 06/15/23 (Call 03/15/23)		50		48,500
9.88%, 02/15/24 (Call 11/15/23)		50		49,500

				301,500
PACKAGING & CONTAINERS — 0.41%
Berry Global Inc.
5.13%, 07/15/23 (Call 07/15/18)^b		50		51,063

				51,063
PHARMACEUTICALS — 2.39%
Valeant Pharmaceuticals International Inc.
5.50%, 03/01/23 (Call 04/02/18)^a		100		88,500
5.88%, 05/15/23 (Call 05/15/18)^a		100		88,875
7.25%, 07/15/22 (Call 04/02/18)^a		125		121,875

				299,250
PIPELINES — 2.26%
Crestwood Midstream Partners LP/Crestwood Midstream Finance Corp.
6.25%, 04/01/23 (Call 04/02/18)		50		51,500
Genesis Energy LP/Genesis Energy Finance Corp.
6.50%, 10/01/25 (Call 10/01/20)		50		49,875
6.75%, 08/01/22 (Call 08/01/18)		75		77,062
Summit Midstream Holdings LLC/Summit Midstream Finance Corp.
5.75%, 04/15/25 (Call 04/15/20)		50		50,000
Tallgrass Energy Partners LP/Tallgrass Energy Finance Corp.
5.50%, 09/15/24 (Call 09/15/19)^a		52		53,559

				281,996
REAL ESTATE — 1.58%
Howard Hughes Corp. (The)
5.38%, 03/15/25 (Call 03/15/20)^a		100		98,625
Kennedy-Wilson Inc.
5.88%, 04/01/24 (Call 04/01/19)		50		50,000
Realogy Group LLC/Realogy Co-Issuer Corp.
4.88%, 06/01/23 (Call 03/01/23)^a,b		50		48,375

				197,000
REAL ESTATE INVESTMENT TRUSTS — 3.86%
CBL & Associates LP
5.25%, 12/01/23 (Call 09/01/23)		50		42,505


Security	Principal (000s)		Value
CyrusOne LP/CyrusOne Finance Corp.
5.00%, 03/15/24 (Call 03/15/20)	$	25	$	25,188
ESH Hospitality Inc.
5.25%, 05/01/25 (Call 05/01/20)^a		100		99,750
Iron Mountain Inc.
5.75%, 08/15/24 (Call 04/02/18)		100		99,500
MPT Operating Partnership LP/MPT Finance Corp.
6.38%, 03/01/24 (Call 03/01/19)		50		52,625
Starwood Property Trust Inc.
5.00%, 12/15/21 (Call 09/15/21)		50		51,125
Uniti Group LP/Uniti Fiber Holdings Inc./CSL Capital LLC
7.13%, 12/15/24 (Call 12/15/19)^a		20		17,925
Uniti Group LP/Uniti Group Finance Inc./CSL Capital LLC
8.25%, 10/15/23 (Call 04/15/19)		100		93,250

				481,868
RETAIL — 4.17%
1011778 BC ULC/New Red Finance Inc.
5.00%, 10/15/25 (Call 10/15/20)^a		100		97,438
KFC Holding Co./Pizza Hut Holdings LLC/Taco Bell of America LLC
5.00%, 06/01/24 (Call 06/01/19)^a		125		126,250
L Brands Inc.
6.75%, 07/01/36		25		24,500
6.88%, 11/01/35		125		124,062
Men’s Wearhouse Inc. (The)
7.00%, 07/01/22 (Call 04/02/18)		50		49,750
Rite Aid Corp.
6.13%, 04/01/23 (Call 04/02/18)^a		75		75,375
Suburban Propane Partners LP/Suburban Energy Finance Corp.
5.50%, 06/01/24 (Call 06/01/19)		25		24,375

				521,750
SEMICONDUCTORS — 1.66%
Qorvo Inc.
6.75%, 12/01/23 (Call 12/01/18)		100		106,000
Sensata Technologies BV
4.88%, 10/15/23^a		100		101,500

				207,500


Security	Principal (000s)		Value
SOFTWARE — 3.32%
CDK Global Inc.
5.00%, 10/15/24 (Call 07/15/24)	$	50	$	50,625
First Data Corp.
5.75%, 01/15/24 (Call 01/15/19)^a		100		101,750
7.00%, 12/01/23 (Call 12/01/18)^a		50		52,562
MSCI Inc.
5.75%, 08/15/25 (Call 08/15/20)^a		50		52,500
Open Text Corp.
5.88%, 06/01/26 (Call 06/01/21)^a		50		52,000
PTC Inc.
6.00%, 05/15/24 (Call 05/15/19)		50		52,563
SS&C Technologies Holdings Inc.
5.88%, 07/15/23 (Call 07/15/18)		50		52,375

				414,375
TELECOMMUNICATIONS — 7.16%
CenturyLink Inc.
7.60%, 09/15/39		75		65,437
7.65%, 03/15/42		75		65,250
Series Y
7.50%, 04/01/24 (Call 01/01/24)^b		75		75,375
Frontier Communications Corp.
8.75%, 04/15/22		60		47,250
10.50%, 09/15/22 (Call 06/15/22)		75		64,031
11.00%, 09/15/25 (Call 06/15/25)^b		75		58,781
GCI Inc.
6.88%, 04/15/25 (Call 04/15/20)		50		52,750
Gogo Intermediate Holdings LLC/Gogo Finance Co. Inc.
12.50%, 07/01/22 (Call 07/01/19)^a		50		55,880
GTT Communications Inc.
7.88%, 12/31/24 (Call 12/31/19)^a		50		51,969
Hughes Satellite Systems Corp.
5.25%, 08/01/26		50		48,750
6.63%, 08/01/26		75		76,710
Nokia OYJ
6.63%, 05/15/39		25		27,000
Plantronics Inc.
5.50%, 05/31/23 (Call 05/15/18)^a		50		50,125
Sprint Capital Corp.
8.75%, 03/15/32		75		81,375
Sprint Corp.
7.63%, 03/01/26 (Call 11/01/25)		50		49,818


Security	Principal or Shares (000s)		Value
ViaSat Inc.
5.63%, 09/15/25 (Call 09/15/20)^a	$	25	$	24,438

				894,939
TOYS, GAMES & HOBBIES — 0.81%
Mattel Inc.
6.75%, 12/31/25 (Call 12/31/20)^a		100		101,750

				101,750
TRANSPORTATION — 0.83%
XPO Logistics Inc.
6.13%, 09/01/23 (Call 09/01/19)^a,b		50		51,875
6.50%, 06/15/22 (Call 06/15/18)^a		50		51,938

				103,813

TOTAL CORPORATE BONDS & NOTES
(Cost: $12,106,796)				12,003,630

SHORT-TERM INVESTMENTS — 16.02%

MONEY MARKET FUNDS — 16.02%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^c,d,e		1,690		1,690,275


Security	Shares (000s)		Value
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^c,d		312	$	311,810

				2,002,085

TOTAL SHORT-TERM INVESTMENTS
(Cost: $2,002,125)				2,002,085

TOTAL INVESTMENTS IN SECURITIES — 112.07%
(Cost: $14,108,921)				14,005,715
Other Assets, Less Liabilities — (12.07)%				(1,508,334	)

NET ASSETS — 100.00%			$	12,497,381

^a	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^b	All or a portion of this security is on loan.

^c	Affiliate of the Fund.

^d	Annualized 7-day yield as of period end.

^e	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the period ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 97.65%

ADVERTISING — 1.12%
Omnicom Group Inc.
3.60%, 04/15/26 (Call 01/15/26)	$	55	$	53,681
WPP Finance 2010
3.75%, 09/19/24		35		35,005
4.75%, 11/21/21		20		21,051

				109,737
AEROSPACE & DEFENSE — 3.28%
L3 Technologies Inc.
3.85%, 12/15/26 (Call 09/15/26)		10		9,921
5.20%, 10/15/19		40		41,424
Lockheed Martin Corp.
2.90%, 03/01/25 (Call 12/01/24)		30		28,836
3.55%, 01/15/26 (Call 10/15/25)		50		50,001
Northrop Grumman Corp.
4.75%, 06/01/43		35		37,847
Rockwell Collins Inc.
2.80%, 03/15/22 (Call 02/15/22)		15		14,654
3.50%, 03/15/27 (Call 12/15/26)		50		48,643
United Technologies Corp.
4.50%, 06/01/42		40		41,207
5.70%, 04/15/40		40		47,735

				320,268
AGRICULTURE — 2.18%
Altria Group Inc.
4.00%, 01/31/24		50		51,440
5.38%, 01/31/44		20		22,911
Philip Morris International Inc.
6.38%, 05/16/38		35		45,325
Reynolds American Inc.
4.45%, 06/12/25 (Call 03/12/25)		40		41,178
5.70%, 08/15/35 (Call 02/15/35)		25		28,473
5.85%, 08/15/45 (Call 02/15/45)		20		23,287

				212,614
AIRLINES — 0.46%
Delta Air Lines Inc.
3.63%, 03/15/22 (Call 02/15/22)		45		45,095

				45,095
AUTO MANUFACTURERS — 2.97%
Daimler Finance North America LLC
8.50%, 01/18/31		35		51,054


Security	Principal (000s)		Value
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)^a	$	75	$	73,898
7.45%, 07/16/31		40		48,704
General Motors Co.
6.60%, 04/01/36 (Call 10/01/35)		20		23,084
General Motors Financial Co. Inc.
4.00%, 01/15/25 (Call 10/15/24)		30		29,737
5.25%, 03/01/26 (Call 12/01/25)		60		63,535

				290,012
AUTO PARTS & EQUIPMENT — 0.35%
Lear Corp.
3.80%, 09/15/27 (Call 06/15/27)		35		33,848

				33,848
BANKS — 12.63%
Bank of America Corp.
4.00%, 01/22/25
(3 mo. LIBOR US + 1.370%)		20		20,086
3.59%, 07/21/28 (Call 07/21/27)^b		20		19,479
Capital One Financial Corp.
2.40%, 10/30/20 (Call 09/30/20)		30		29,468
3.75%, 03/09/27 (Call 02/09/27)		115		111,779
Citigroup Inc.
3.40%, 05/01/26		110		106,800
5.50%, 09/13/25		45		49,219
8.13%, 07/15/39		35		53,055
Deutsche Bank AG
4.25%, 10/14/21		30		30,599
Deutsche Bank AG/London
3.70%, 05/30/24		50		48,739
Goldman Sachs Group Inc. (The)
3.50%, 01/23/25 (Call 10/23/24)		80		78,567
3.50%, 11/16/26 (Call 11/16/25)		85		81,879
4.00%, 03/03/24		75		76,403
HSBC USA Inc.
3.50%, 06/23/24		150		149,473
JPMorgan Chase & Co.
3.13%, 01/23/25 (Call 10/23/24)		35		33,989
3.30%, 04/01/26 (Call 01/01/26)		130		126,073
Morgan Stanley
3.88%, 01/27/26		90		90,214
Royal Bank of Canada
4.65%, 01/27/26^a		50		51,828


Security	Principal (000s)		Value
Wells Fargo & Co.
3.00%, 02/19/25	$	15	$	14,391
3.00%, 04/22/26		65		61,514

				1,233,555
BEVERAGES — 1.63%
Anheuser-Busch InBev Worldwide Inc.
8.20%, 01/15/39		35		52,543
Constellation Brands Inc.
3.50%, 05/09/27 (Call 02/09/27)		30		29,068
4.25%, 05/01/23		30		31,039
Molson Coors Brewing Co.
3.00%, 07/15/26 (Call 04/15/26)		50		46,622

				159,272
BIOTECHNOLOGY — 1.49%
Biogen Inc.
4.05%, 09/15/25 (Call 06/15/25)		50		51,100
5.20%, 09/15/45 (Call 03/15/45)		5		5,419
Celgene Corp.
3.88%, 08/15/25 (Call 05/15/25)		50		49,855
3.90%, 02/20/28 (Call 11/20/27)		40		39,338

				145,712
BUILDING MATERIALS — 0.14%
Owens Corning
4.30%, 07/15/47 (Call 01/15/47)		15		13,801

				13,801
CHEMICALS — 2.15%
Dow Chemical Co. (The)
4.38%, 11/15/42 (Call 05/15/42)		20		20,078
8.55%, 05/15/19		50		53,411
LYB International Finance II BV
3.50%, 03/02/27 (Call 12/02/26)		100		97,335
Monsanto Co.
4.40%, 07/15/44 (Call 01/15/44)		15		14,820
Westlake Chemical Corp.
3.60%, 08/15/26 (Call 05/15/26)		25		24,340

				209,984
COMMERCIAL SERVICES — 1.92%
Ecolab Inc.
2.70%, 11/01/26 (Call 08/01/26)		40		37,252
S&P Global Inc.
4.40%, 02/15/26 (Call 11/15/25)		50		52,871


Security	Principal (000s)		Value
Total System Services Inc.
3.80%, 04/01/21 (Call 03/01/21)	$	15	$	15,194
4.80%, 04/01/26 (Call 01/01/26)		35		36,710
Verisk Analytics Inc.
4.00%, 06/15/25 (Call 03/15/25)		45		45,364

				187,391
COMPUTERS — 1.16%
Apple Inc.
3.20%, 05/11/27 (Call 02/11/27)		30		29,233
DXC Technology Co.
4.75%, 04/15/27 (Call 01/15/27)		15		15,529
HP Inc.
4.65%, 12/09/21		20		20,920
6.00%, 09/15/41		45		47,559

				113,241
DIVERSIFIED FINANCIAL SERVICES — 2.94%
Brookfield Finance Inc.
4.25%, 06/02/26 (Call 03/02/26)		20		20,029
Brookfield Finance LLC
4.00%, 04/01/24 (Call 02/01/24)		50		50,572
Cboe Global Markets Inc.
3.65%, 01/12/27 (Call 10/12/26)		15		14,820
Discover Financial Services
4.10%, 02/09/27 (Call 11/09/26)		80		79,120
E*TRADE Financial Corp.
2.95%, 08/24/22 (Call 07/24/22)		15		14,614
International Lease Finance Corp.
4.63%, 04/15/21		25		25,827
5.88%, 08/15/22		15		16,359
8.25%, 12/15/20		50		56,269
Nasdaq Inc.
3.85%, 06/30/26 (Call 03/30/26)		10		9,895

				287,505
ELECTRIC — 5.09%
Dominion Energy Inc.
3.90%, 10/01/25 (Call 07/01/25)		40		40,458
DTE Energy Co.
2.85%, 10/01/26 (Call 07/01/26)		30		27,941
Duke Energy Corp.
2.65%, 09/01/26 (Call 06/01/26)		65		59,679
Duke Energy Florida LLC
3.20%, 01/15/27 (Call 10/15/26)		15		14,630
3.40%, 10/01/46 (Call 04/01/46)		15		13,494


Security	Principal (000s)		Value
Entergy Corp.
2.95%, 09/01/26 (Call 06/01/26)	$	40	$	37,630
Exelon Corp.
3.95%, 06/15/25 (Call 03/15/25)		50		50,562
Exelon Generation Co. LLC
5.60%, 06/15/42 (Call 12/15/41)		30		31,594
FirstEnergy Corp.
Series B
4.25%, 03/15/23 (Call 12/15/22)		20		20,581
Series C
7.38%, 11/15/31		35		46,144
NextEra Energy Capital Holdings Inc.
3.55%, 05/01/27 (Call 02/01/27)		50		48,907
Southern Co. (The)
2.95%, 07/01/23 (Call 05/01/23)		60		58,290
3.25%, 07/01/26 (Call 04/01/26)		50		47,600

				497,510
ELECTRONICS — 0.36%
Arrow Electronics Inc.
3.88%, 01/12/28 (Call 10/12/27)		15		14,552
Keysight Technologies Inc.
4.60%, 04/06/27 (Call 01/06/27)		20		20,636

				35,188
FOOD — 3.15%
Conagra Brands Inc.
3.20%, 01/25/23 (Call 10/25/22)		40		39,769
JM Smucker Co. (The)
3.50%, 03/15/25		50		49,634
Kellogg Co.
3.40%, 11/15/27 (Call 08/15/27)		25		23,903
Kraft Heinz Foods Co.
3.95%, 07/15/25 (Call 04/15/25)		50		49,435
6.88%, 01/26/39		25		30,841
Sysco Corp.
3.30%, 07/15/26 (Call 04/15/26)		60		58,291
Tyson Foods Inc.
3.95%, 08/15/24 (Call 05/15/24)		55		55,904

				307,777
FOREST PRODUCTS & PAPER — 0.65%
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)		25		23,343
3.65%, 06/15/24 (Call 03/15/24)		40		40,420

				63,763


Security	Principal (000s)		Value
GAS — 0.39%
Sempra Energy
3.25%, 06/15/27 (Call 03/15/27)	$	40	$	38,218

				38,218
HEALTH CARE – PRODUCTS — 4.71%
Abbott Laboratories
2.95%, 03/15/25 (Call 12/15/24)		50		47,731
3.75%, 11/30/26 (Call 08/30/26)		50		49,507
Baxter International Inc.
2.60%, 08/15/26 (Call 05/15/26)		35		32,020
Becton Dickinson and Co.
3.70%, 06/06/27 (Call 03/06/27)		60		57,417
3.73%, 12/15/24 (Call 09/15/24)		25		24,620
Boston Scientific Corp.
3.85%, 05/15/25		40		40,147
Stryker Corp.
3.50%, 03/15/26 (Call 12/15/25)		65		64,878
Thermo Fisher Scientific Inc.
2.95%, 09/19/26 (Call 06/19/26)		25		23,362
4.15%, 02/01/24 (Call 11/01/23)		65		66,965
Zimmer Biomet Holdings Inc.
3.55%, 04/01/25 (Call 01/01/25)		55		53,339

				459,986
HEALTH CARE – SERVICES — 3.21%
Aetna Inc.
3.50%, 11/15/24 (Call 08/15/24)		40		39,238
Anthem Inc.
3.30%, 01/15/23		30		29,835
3.50%, 08/15/24 (Call 05/15/24)		75		74,477
Cigna Corp.
3.05%, 10/15/27 (Call 07/15/27)		20		18,465
3.25%, 04/15/25 (Call 01/15/25)		45		43,280
Humana Inc.
3.95%, 03/15/27 (Call 12/15/26)		25		24,930
Laboratory Corp. of America Holdings
3.60%, 02/01/25 (Call 11/01/24)		50		49,193
4.70%, 02/01/45 (Call 08/01/44)		10		10,014
Quest Diagnostics Inc.
3.45%, 06/01/26 (Call 03/01/26)		25		24,146

				313,578
HOLDING COMPANIES – DIVERSIFIED — 0.55%
Ares Capital Corp.
3.50%, 02/10/23 (Call 01/10/23)		25		24,232


Security	Principal (000s)		Value
3.63%, 01/19/22 (Call 12/19/21)	$	30	$	29,558

				53,790
INSURANCE — 2.73%
American Financial Group Inc./OH
4.50%, 06/15/47 (Call 12/15/46)		15		14,779
American International Group Inc.
3.75%, 07/10/25 (Call 04/10/25)		70		69,662
Aon PLC
3.88%, 12/15/25 (Call 09/15/25)		35		35,351
Arch Capital Finance LLC
4.01%, 12/15/26 (Call 09/15/26)		10		10,097
Berkshire Hathaway Inc.
4.50%, 02/11/43^a		45		48,367
Chubb INA Holdings Inc.
3.15%, 03/15/25		40		39,036
CNA Financial Corp.
3.45%, 08/15/27 (Call 05/10/27)		15		14,302
Marsh & McLennan Companies Inc.
4.35%, 01/30/47 (Call 07/30/46)^a		15		15,467
Willis North America Inc.
3.60%, 05/15/24 (Call 03/15/24)		20		19,861

				266,922
INTERNET — 1.70%
Booking Holdings Inc.
3.60%, 06/01/26 (Call 03/01/26)		50		48,837
eBay Inc.
3.45%, 08/01/24 (Call 05/01/24)		35		34,635
3.60%, 06/05/27 (Call 03/05/27)		25		24,205
Expedia Inc.
3.80%, 02/15/28 (Call 11/15/27)		30		27,930
5.00%, 02/15/26 (Call 11/15/25)		30		30,795

				166,402
LODGING — 0.19%
Marriott International Inc./MD Series R
3.13%, 06/15/26 (Call 03/15/26)		20		19,027

				19,027
MACHINERY — 0.69%
CNH Industrial NV
3.85%, 11/15/27 (Call 08/15/27)		15		14,540
Roper Technologies Inc.
3.80%, 12/15/26 (Call 09/15/26)		15		14,992


Security	Principal (000s)		Value
Wabtec Corp./DE
3.45%, 11/15/26 (Call 08/15/26)	$	40	$	38,072

				67,604
MANUFACTURING — 0.20%
Carlisle Companies Inc.
3.75%, 12/01/27 (Call 09/01/27)		20		19,687

				19,687
MEDIA — 1.65%
CBS Corp.
3.38%, 02/15/28 (Call 11/15/27)		10		9,358
3.70%, 06/01/28 (Call 03/01/28)^c		10		9,604
4.00%, 01/15/26 (Call 10/15/25)		40		39,898
Comcast Corp.
3.97%, 11/01/47 (Call 05/01/47)		4		3,734
Time Warner Inc.
3.88%, 01/15/26 (Call 10/15/25)		100		98,503

				161,097
MINING — 1.64%
Goldcorp Inc.
3.70%, 03/15/23 (Call 12/15/22)		50		50,326
Newmont Mining Corp.
4.88%, 03/15/42 (Call 09/15/41)		45		47,579
Southern Copper Corp.
6.75%, 04/16/40		50		62,396

				160,301
OIL & GAS — 3.49%
Cimarex Energy Co.
3.90%, 05/15/27 (Call 02/15/27)		15		14,717
4.38%, 06/01/24 (Call 03/01/24)		35		36,311
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)		45		43,792
ConocoPhillips Holding Co.
6.95%, 04/15/29		35		44,803
Husky Energy Inc.
4.00%, 04/15/24 (Call 01/15/24)		35		35,467
Marathon Petroleum Corp.
3.63%, 09/15/24 (Call 06/15/24)		35		34,845
6.50%, 03/01/41 (Call 09/01/40)		20		24,067
Phillips 66
4.65%, 11/15/34 (Call 05/15/34)		40		42,014
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)		10		9,551
6.63%, 06/15/37		45		55,891

				341,458


Security	Principal (000s)		Value
PHARMACEUTICALS — 5.21%
AbbVie Inc.
3.20%, 05/14/26 (Call 02/14/26)	$	90	$	85,933
4.50%, 05/14/35 (Call 11/14/34)		10		10,301
AmerisourceBergen Corp.
3.45%, 12/15/27 (Call 09/15/27)		35		33,293
AstraZeneca PLC
4.00%, 09/18/42		15		14,383
6.45%, 09/15/37		25		31,954
CVS Health Corp.
2.88%, 06/01/26 (Call 03/01/26)		45		41,024
3.88%, 07/20/25 (Call 04/20/25)		50		49,397
Express Scripts Holding Co.
4.50%, 02/25/26 (Call 11/27/25)		50		51,526
GlaxoSmithKline Capital Inc.
6.38%, 05/15/38		20		26,543
Pfizer Inc.
7.20%, 03/15/39		15		21,776
Wyeth LLC
5.95%, 04/01/37		75		95,380
Zoetis Inc.
4.50%, 11/13/25 (Call 08/13/25)		35		37,090
4.70%, 02/01/43 (Call 08/01/42)		10		10,619

				509,219
PIPELINES — 6.92%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
4.25%, 12/01/27 (Call 09/01/27)		10		9,775
5.25%, 01/15/25 (Call 01/15/21)		40		41,052
Enbridge Inc.
4.00%, 10/01/23 (Call 07/01/23)		40		40,840
4.25%, 12/01/26 (Call 09/01/26)		20		20,130
Enterprise Products Operating LLC
3.75%, 02/15/25 (Call 11/15/24)		50		50,213
3.90%, 02/15/24 (Call 11/15/23)		40		40,569
EQT Midstream Partners LP
4.13%, 12/01/26 (Call 09/01/26)		15		14,400
Kinder Morgan Energy Partners LP
3.50%, 03/01/21 (Call 01/01/21)		35		35,139
Kinder Morgan Inc./DE
4.30%, 06/01/25 (Call 03/01/25)		50		50,455
5.30%, 12/01/34 (Call 06/01/34)		35		36,088
MPLX LP
4.88%, 06/01/25 (Call 03/01/25)		50		52,372


Security	Principal (000s)		Value
ONEOK Inc.
4.95%, 07/13/47 (Call 01/06/47)	$	20	$	20,149
Phillips 66 Partners LP
3.75%, 03/01/28 (Call 12/01/27)		15		14,574
Sabine Pass Liquefaction LLC
5.63%, 03/01/25 (Call 12/01/24)		50		53,783
5.88%, 06/30/26 (Call 12/31/25)		25		27,298
Spectra Energy Partners LP
4.75%, 03/15/24 (Call 12/15/23)		60		63,179
TransCanada PipeLines Ltd.
7.63%, 01/15/39		15		21,322
Transcontinental Gas Pipe Line Co. LLC
7.85%, 02/01/26 (Call 11/01/25)		60		74,544
Western Gas Partners LP
4.65%, 07/01/26 (Call 04/01/26)		10		10,156

				676,038
REAL ESTATE — 0.42%
CBRE Services Inc.
5.00%, 03/15/23 (Call 03/15/18)		40		41,026

				41,026
REAL ESTATE INVESTMENT TRUSTS — 5.04%
American Tower Corp.
4.00%, 06/01/25 (Call 03/01/25)		20		20,008
5.00%, 02/15/24		50		53,314
Boston Properties LP
3.65%, 02/01/26 (Call 11/03/25)		70		69,364
Crown Castle International Corp.
4.45%, 02/15/26 (Call 11/15/25)		15		15,237
5.25%, 01/15/23		45		48,222
Digital Realty Trust LP
3.70%, 08/15/27 (Call 05/15/27)		50		48,687
HCP Inc.
3.88%, 08/15/24 (Call 05/17/24)		65		65,143
4.00%, 06/01/25 (Call 03/01/25)^a		25		25,089
Healthcare Trust of America Holdings LP
3.75%, 07/01/27 (Call 04/01/27)		15		14,540
Lifestorage LP/CA
3.50%, 07/01/26 (Call 04/01/26)		15		14,286
Mid-America Apartments LP
3.60%, 06/01/27 (Call 03/01/27)		15		14,598
Realty Income Corp.
4.13%, 10/15/26 (Call 07/15/26)		15		15,238
4.65%, 08/01/23 (Call 05/01/23)		35		36,916
Welltower Inc.
4.00%, 06/01/25 (Call 03/01/25)		51		51,434

				492,076


Security	Principal (000s)		Value
RETAIL — 1.57%
Darden Restaurants Inc.
3.85%, 05/01/27 (Call 02/01/27)^a	$	15	$	14,791
McDonald’s Corp.
3.70%, 01/30/26 (Call 10/30/25)		50		50,154
4.70%, 12/09/35 (Call 06/09/35)		15		16,097
Walgreens Boots Alliance Inc.
3.45%, 06/01/26 (Call 03/01/26)		50		47,339
3.80%, 11/18/24 (Call 08/18/24)		25		24,832

				153,213
SEMICONDUCTORS — 2.39%
Analog Devices Inc.
3.90%, 12/15/25 (Call 09/15/25)		40		40,506
Broadcom Corp./Broadcom Cayman Finance Ltd.
3.63%, 01/15/24 (Call 11/15/23)		50		48,732
3.88%, 01/15/27 (Call 10/15/26)		40		38,353
KLA-Tencor Corp.
4.65%, 11/01/24 (Call 08/01/24)		50		52,510
Maxim Integrated Products Inc.
3.45%, 06/15/27 (Call 03/15/27)		20		19,276
NVIDIA Corp.
3.20%, 09/16/26 (Call 06/16/26)		35		33,873

				233,250
SOFTWARE — 3.11%
Activision Blizzard Inc.
3.40%, 09/15/26 (Call 06/15/26)		25		24,333
Autodesk Inc.
3.50%, 06/15/27 (Call 03/15/27)		25		23,766
Citrix Systems Inc.
4.50%, 12/01/27 (Call 09/01/27)		35		34,744
Fidelity National Information Services Inc.
5.00%, 10/15/25 (Call 07/15/25)		65		69,675
Fiserv Inc.
3.85%, 06/01/25 (Call 03/01/25)		45		45,424
Microsoft Corp.
4.20%, 11/03/35 (Call 05/03/35)		45		48,005
Oracle Corp.
3.85%, 07/15/36 (Call 01/15/36)		10		10,012
VMware Inc.
3.90%, 08/21/27 (Call 05/21/27)		50		47,628

				303,587


Security	Principal or Shares (000s)		Value
TELECOMMUNICATIONS — 6.80%
AT&T Inc.
3.95%, 01/15/25 (Call 10/15/24)	$	75	$	74,966
4.13%, 02/17/26 (Call 11/17/25)		50		49,952
4.25%, 03/01/27 (Call 12/01/26)		70		70,236
4.45%, 04/01/24 (Call 01/01/24)		25		25,763
6.38%, 03/01/41		55		64,186
British Telecommunications PLC
9.13%, 12/15/30		35		50,957
Deutsche Telekom International Finance BV
8.75%, 06/15/30		35		49,896
Verizon Communications Inc.
4.13%, 03/16/27		60		60,949
4.40%, 11/01/34 (Call 05/01/34)		100		98,151
5.25%, 03/16/37		45		47,691
Vodafone Group PLC
6.15%, 02/27/37		60		71,692

				664,439
TEXTILES — 0.51%
Cintas Corp. No. 2
3.70%, 04/01/27 (Call 01/01/27)		50		49,977

				49,977
TRANSPORTATION — 0.86%
FedEx Corp.
5.10%, 01/15/44		35		38,273
United Parcel Service Inc.
6.20%, 01/15/38		35		45,473

				83,746

TOTAL CORPORATE BONDS & NOTES
(Cost: $9,798,230)				9,540,914

SHORT-TERM INVESTMENTS — 2.91%

MONEY MARKET FUNDS — 2.91%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^d,e,f		210		210,519
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^d,e		74		73,696

				284,215

TOTAL SHORT-TERM INVESTMENTS
(Cost: $284,215)				284,215


	Value
TOTAL INVESTMENTS IN SECURITIES — 100.56%
(Cost: $10,082,445)	$	9,825,129
Other Assets, Less Liabilities — (0.56)%		(54,492	)

NET ASSETS — 100.00%	$	9,770,637

^a	All or a portion of this security is on loan.

^b	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^c	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^d	Affiliate of the Fund.

^e	Annualized 7-day yield as of period end.

^f	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the period ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

^a For the period from July 11, 2017 (commencement of operations) to February 28, 2018.

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

with the execution of portfolio transactions; (iii) distribution fees; (iv) the advisory fee payable to BFA; and (v) litigation expenses and any extraordinary expenses (in each case as determined by a majority of the independent trustees).

For its investment advisory services to each Fund, BFA is entitled to an annual investment advisory fee, accrued daily and paid monthly by the Funds, based on the average daily net assets of each Fund as follows:

For the period ended February 28, 2018, the total of securities lending agent services and collateral investment fees paid were as follows:

BlackRock Index Services, LLC, an affiliate of BFA, creates, sponsors and publishes the underlying index for each Fund. Each Fund uses its underlying index at no charge pursuant to a license agreement between BlackRock Index Services, LLC (or one or more of its affiliates) and the Trust, on behalf of the Fund.

It is possible that, from time to time, BlackRock and/or funds managed by BFA or an affiliate (collectively, “Affiliates”) may purchase and hold shares of a Fund. Affiliates reserve the right, subject to compliance with applicable law, to sell into the market or redeem in Creation Units through an authorized participant at any time some or all of the shares of a Fund acquired for their own accounts. A large sale or redemption of shares of a Fund by Affiliates could significantly reduce the asset size of the Fund, which might have an adverse effect on the Fund. As of February 28, 2018, the number of affiliated accounts that individually that individually represent more than 10% ownership of a Fund’s total shares outstanding and the aggregate percentage of net assets represented by such holdings were as follows:

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the period ended February 28, 2018 were as follows:

There were no in-kind transactions (see Note 4) for the period ended February 28, 2018.

the financial stability of those counterparties. Financial assets, which potentially expose a fund to issuer and counterparty credit risks, consist principally of financial instruments and receivables due from counterparties. The extent of a fund’s exposure to credit and counterparty risks with respect to those financial assets is approximated by their value recorded in its statement of assets and liabilities.

The tax character of distributions paid during the period ended February 28, 2018 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

Management has analyzed tax laws and regulations and their application to the Funds as of February 28, 2018, and does not believe there are any uncertain tax positions that require recognition of a tax liability in the Funds’ financial statements.

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares Edge High Yield Defensive Bond ETF and iShares Edge Investment Grade Enhanced Bond ETF (two of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations and changes in net assets, including the related notes, and the financial highlights for the period July 11, 2017 (commencement of operations) through February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, and the results of each of their operations, changes in each of their net assets, and each of the financial highlights for the period July 11, 2017 (commencement of operations) through February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

The Funds hereby designate the following amounts of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018:

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

The iShares Funds are not sponsored, endorsed, issued, sold or promoted by BlackRock Index Services, LLC, nor does this company make any representation regarding the advisability of investing in the iShares Funds. BlackRock is affiliated with the company listed above.

Investment-grade U.S. corporate bonds issued by companies with positive environmental, social, and governance (“ESG”) characteristics gained fractionally during the period from July 11, 2017 to February 28, 2018 (“reporting period”). The Bloomberg Barclays MSCI U.S. Corporate ESG Focus Index, a measure of U.S. corporate ESG bond performance, returned 0.09% for the reporting period, compared with a 0.03% return for the broad Bloomberg Barclays U.S. Corporate Index.

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher Treasury bond yields and lower bond prices during the reporting period, with yields rising most sharply for short-term bonds. Intermediate- and long-term bond yields advanced more modestly, with much of the increase occurring in early 2018 following the approval of federal tax reform legislation at the end of 2017. However, corporate bonds outperformed Treasury securities as the difference in yield between corporate and Treasury bonds narrowed during the reporting period across all maturities.

Corporate securities benefited from strong investor demand for yield during the reporting period, as well as shifts within pension plans and institutional investors from stocks to bonds in an attempt to reduce risk. At the same time, supply was comparatively limited; although overall issuance of corporate bonds hit a record high in 2017, net new corporate bond supply, which accounts for maturities and coupon payments of existing bonds, was lower in 2017 than either of the prior two years. In addition, federal tax reform made it less attractive for corporations to issue bonds and less costly to repatriate cash held overseas.

Corporate credit quality generally improved during the reporting period. Corporate earnings remained strong, which led to a reduction in the corporate debt-to-earnings ratio.

The inception date of the Fund was 7/11/17. The first day of secondary market trading was 7/13/17.

The iShares ESG 1-5 Year USD Corporate Bond ETF (the “Fund”) seeks to track the investment results of an index composed of short-term U.S. dollar-denominated, investment-grade corporate bonds issued by companies that have positive environmental, social and governance characteristics while exhibiting risk and return characteristics of the broader short-term corporate bond market, as represented by the Bloomberg Barclays MSCI U.S. Corporate 1-5 Year ESG Focus Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the reporting period from July 11, 2017 (inception date of the Fund) through February 28, 2018, the total return for the Fund was -0.47%, net of fees, while the total return for the Index was -0.20%.

Among the investment-grade corporate bonds with maturity dates between one and five years issued by companies with positive ESG characteristics in the Index, bonds in the industrial sector were the largest detractors from the Index’s performance for the reporting period. Within the sector, consumer non-cyclical bonds detracted the most, as debt issued by consumer products, food and beverage, health care, and pharmaceuticals companies all weighed modestly on performance.

Bonds issued by financial companies with positive ESG characteristics also detracted slightly from the Index’s return for the reporting period. Within the financial sector, debt issued by banks was the primary detractor. Bank-issued debt was particularly affected by a selloff related to changes in the U.S. tax code. Tax rates for banks declined significantly beginning in 2018, but the late 2017 tax changes necessitated a one-time charge to bank earnings for the fourth quarter. Other modest detractors in the sector included finance companies, insurance firms, brokerages, asset managers, and exchanges.

On the upside, bonds issued by utilities companies with positive ESG characteristics made a small contribution to the Index’s performance for the reporting period. Within the sector, electric utilities were the leading contributors to return.

Looking at the Index’s performance by credit quality, strong investor demand for yield meant higher-yielding unrated and lower-rated securities outperformed the highest-rated bonds, which posted a negative return. Consequently, bonds rated A and Aa were the largest detractors from a credit perspective, while unrated bonds were solid contributors for the reporting period.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating¹	Percentage of Total Investments²
Aaa		2.69	%
Aa		15.22
A		41.67
Baa		37.98
Ba		2.44

TOTAL		100.00	%

ALLOCATION BY MATURITY

As of 2/28/18


Maturity	Percentage of Total Investments²
1-2 Years		20.21	%
2-3 Years		22.37
3-4 Years		34.84
4-5 Years		22.15
5-6 Years		0.43

TOTAL		100.00	%

The inception date of the Fund was 7/11/17. The first day of secondary market trading was 7/13/17.

The iShares ESG USD Corporate Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated, investment-grade corporate bonds issued by companies that have positive environmental, social and governance characteristics while exhibiting risk and return characteristics of the broader corporate bond market, as represented by the Bloomberg Barclays MSCI U.S. Corporate ESG Focus Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the reporting period from July 11, 2017 (inception date of the Fund) through February 28, 2018, the total return for the Fund was -0.11%, net of fees, while the total return for the Index was 0.09%.

Among the investment-grade corporate bonds issued by companies with positive ESG characteristics in the Index, bonds in the industrial sector contributed the majority of the return, led by energy companies. Steadily rising oil prices and a decline in bankruptcies in the oil and gas industry led to improved investor confidence in the ability of energy companies to service their debt, causing a surge in demand for bonds in the industry.

Bonds issued by companies in the utilities sector also contributed to the Index’s performance for the reporting period. Within the sector, securities issued by both electric and natural gas utilities made a modestly positive contribution to return.

Bonds issued by financial companies with positive ESG characteristics detracted slightly from the Index’s return for the reporting period. Within the financial sector, securities issued by finance companies and banks were the primary detractors. Bank-issued debt was particularly affected by a selloff related to changes in the U.S. tax code. Tax rates for banks declined significantly beginning in 2018, but the late 2017 tax changes necessitated a one-time charge to bank earnings for the fourth quarter. Diversified manufacturing companies and pharmaceuticals firms were other notable detractors from the Index’s return.

Looking at performance by credit quality, strong investor demand for yield meant higher-yielding unrated and lower-rated securities posted gains, while the highest-rated bonds had a negative return. Consequently, bonds rated Baa and lower contributed to the Index’s performance for the reporting period, while bonds rated A and higher detracted slightly from return.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating¹	Percentage of Total Investments²
Aaa		3.00	%
Aa		7.31
A		39.76
Baa		47.36
Ba		2.06
Not Rated		0.51

TOTAL		100.00	%

ALLOCATION BY MATURITY

As of 2/28/18


Maturity	Percentage of Total Investments²
1-5 Years		40.14	%
5-10 Years		28.84
10-15 Years		1.76
15-20 Years		4.43
More than 20 Years		24.83

TOTAL		100.00	%


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 97.59%

ADVERTISING — 1.14%
WPP Finance 2010
3.63%, 09/07/22	$	200	$	201,898
4.75%, 11/21/21		75		78,955

				280,853
AEROSPACE & DEFENSE — 2.01%
Rockwell Collins Inc.
1.95%, 07/15/19		50		49,504
2.80%, 03/15/22 (Call 02/15/22)		200		195,376
5.25%, 07/15/19		135		139,482
United Technologies Corp.
3.10%, 06/01/22		110		109,683

				494,045
AGRICULTURE — 1.70%
Bunge Ltd. Finance Corp.
3.50%, 11/24/20 (Call 10/24/20)		150		151,264
8.50%, 06/15/19		250		267,395

				418,659
AUTO MANUFACTURERS — 1.98%
American Honda Finance Corp.
1.65%, 07/12/21		100		96,074
1.70%, 09/09/21		150		143,727
2.00%, 02/14/20		100		98,745
2.25%, 08/15/19		150		149,190

				487,736
BANKS — 30.91%
Australia & New Zealand Banking Group Ltd./New York NY
2.30%, 06/01/21		50		48,773
2.63%, 05/19/22		50		48,816
2.63%, 11/09/22^a		50		48,563
2.70%, 11/16/20		350		347,410
Banco Bilbao Vizcaya Argentaria SA
3.00%, 10/20/20^a		250		248,532
Bancolombia SA
5.95%, 06/03/21		50		53,706
Bank of Montreal
1.50%, 07/18/19		200		196,642
1.90%, 08/27/21		180		173,120
2.35%, 09/11/22		135		130,313


Security	Principal (000s)		Value
Bank of New York Mellon Corp. (The)
4.15%, 02/01/21	$	100	$	103,090
Bank of Nova Scotia (The)
2.45%, 09/19/22		150		145,169
2.70%, 03/07/22		150		147,091
2.80%, 07/21/21		275		273,009
BPCE SA
2.65%, 02/03/21^a		300		295,398
Canadian Imperial Bank of Commerce
1.60%, 09/06/19		375		368,805
2.55%, 06/16/22		100		97,381
Citigroup Inc.
(3 mo. LIBOR US + 0.950%)
2.88%, 07/24/23 (Call 07/24/22)^b		50		48,848
Commonwealth Bank of Australia/New York NY
2.30%, 03/12/20		250		246,987
2.40%, 11/02/20		250		246,420
2.55%, 03/15/21		50		49,316
Compass Bank
2.75%, 09/29/19 (Call 08/29/19)		250		248,437
2.88%, 06/29/22 (Call 05/29/22)		150		146,295
Deutsche Bank AG/New York NY
3.30%, 11/16/22^a		100		97,597
Goldman Sachs Group Inc. (The)
3.00%, 04/26/22 (Call 04/26/21)		50		49,271
3.20%, 02/23/23 (Call 01/23/23)		50		49,216
5.25%, 07/27/21		125		133,146
5.75%, 01/24/22		125		135,730
KeyBank N.A./Cleveland OH
2.40%, 06/09/22		100		96,782
2.50%, 11/22/21		50		48,920
Mizuho Financial Group Inc.
2.60%, 09/11/22		100		96,616
2.95%, 02/28/22		50		49,140
Morgan Stanley
2.63%, 11/17/21		50		48,938
2.75%, 05/19/22		75		73,338
5.50%, 07/28/21		80		85,854
National Australia Bank Ltd./New York
2.50%, 05/22/22		185		179,472
National Bank of Canada
2.15%, 06/12/20 (Call 05/12/20)		250		246,302


Security	Principal (000s)		Value
Northern Trust Corp.
2.38%, 08/02/22	$	200	$	194,822
3.38%, 08/23/21		25		25,425
Santander Holdings USA Inc.
3.40%, 01/18/23 (Call 12/18/22)^c		100		97,712
3.70%, 03/28/22 (Call 02/28/22)^c		100		99,930
Skandinaviska Enskilda Banken AB
1.88%, 09/13/21		50		47,875
2.30%, 03/11/20		250		247,207
2.63%, 03/15/21		150		147,834
State Street Corp.
1.95%, 05/19/21		80		77,562
4.38%, 03/07/21		200		208,562
(3 mo. LIBOR US + 0.635%)
2.65%, 05/15/23 (Call 05/15/22)^b		55		53,867
Sumitomo Mitsui Financial Group Inc.
3.10%, 01/17/23		100		98,607
Toronto-Dominion Bank (The)
1.80%, 07/13/21		280		269,654
2.13%, 04/07/21		150		146,389
2.50%, 12/14/20		175		173,371
Westpac Banking Corp.
2.10%, 05/13/21		500		485,500
4.88%, 11/19/19		125		129,359

				7,606,119
BEVERAGES — 6.56%
Anheuser-Busch InBev Finance Inc.
2.65%, 02/01/21 (Call 01/01/21)		225		222,925
Anheuser-Busch InBev Worldwide Inc.
3.75%, 01/15/22		75		76,583
5.38%, 01/15/20		150		156,965
Coca-Cola European Partners U.S. LLC
3.50%, 09/15/20		150		152,160
Diageo Capital PLC
4.83%, 07/15/20		300		313,911
Diageo Investment Corp.
2.88%, 05/11/22		100		99,208
Molson Coors Brewing Co.
2.10%, 07/15/21 (Call 06/15/21)		130		125,252
PepsiCo Inc.
1.70%, 10/06/21 (Call 09/06/21)		125		119,926
1.85%, 04/30/20 (Call 03/30/20)		100		98,566
2.25%, 05/02/22 (Call 04/02/22)		50		48,595
2.75%, 03/05/22		25		24,794


Security	Principal (000s)		Value
3.00%, 08/25/21	$	90	$	90,561
3.10%, 07/17/22 (Call 05/17/22)		85		85,451

				1,614,897
BUILDING MATERIALS — 0.33%
CRH America Inc.
5.75%, 01/15/21		75		80,306

				80,306
CHEMICALS — 0.46%
Mosaic Co. (The)
3.25%, 11/15/22 (Call 10/15/22)		65		63,885
3.75%, 11/15/21 (Call 08/15/21)		25		25,232
Sherwin-Williams Co. (The)
2.75%, 06/01/22 (Call 05/01/22)		25		24,397

				113,514
COMMERCIAL SERVICES — 1.97%
Ecolab Inc.
2.25%, 01/12/20		200		198,380
2.38%, 08/10/22 (Call 07/10/22)		25		24,157
4.35%, 12/08/21		250		261,147

				483,684
COMPUTERS — 3.95%
Dell International LLC/EMC Corp.
4.42%, 06/15/21 (Call 05/15/21)^c		205		209,266
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)		175		176,907
4.40%, 10/15/22 (Call 08/15/22)		100		103,622
HP Inc.
3.75%, 12/01/20		200		203,816
4.30%, 06/01/21		50		51,733
4.65%, 12/09/21		52		54,463
International Business Machines Corp.
2.25%, 02/19/21		50		49,195
2.50%, 01/27/22		100		98,311
Seagate HDD Cayman
4.25%, 03/01/22 (Call 02/01/22)^c		25		24,748

				972,061
COSMETICS & PERSONAL CARE — 1.63%
Procter & Gamble Co. (The)
1.85%, 02/02/21		25		24,428
1.90%, 11/01/19		280		277,718
2.30%, 02/06/22		100		97,966

				400,112


Security	Principal (000s)		Value
DIVERSIFIED FINANCIAL SERVICES — 3.95%
American Express Co.
2.50%, 08/01/22 (Call 07/01/22)	$	50	$	48,350
American Express Credit Corp.
2.25%, 05/05/21 (Call 04/04/21)		350		341,481
2.70%, 03/03/22 (Call 01/31/22)		125		122,566
GE Capital International Funding Co. Unlimited Co.
2.34%, 11/15/20		300		293,481
International Lease Finance Corp.
5.88%, 08/15/22		30		32,713
8.63%, 01/15/22		50		58,973
Visa Inc.
2.20%, 12/14/20 (Call 11/14/20)		75		74,050

				971,614
ELECTRIC—5.49%
Commonwealth Edison Co.
4.00%, 08/01/20 (Call 05/01/20)		100		102,647
Consolidated Edison Inc.
2.00%, 05/15/21 (Call 04/15/21)		125		121,311
Consumers Energy Co.
6.13%, 03/15/19		50		51,739
Edison International
2.40%, 09/15/22 (Call 08/15/22)		100		96,088
Eversource Energy
4.50%, 11/15/19		100		102,904
Series K
2.75%, 03/15/22 (Call 02/15/22)		50		49,242
Exelon Corp.
2.85%, 06/15/20 (Call 05/15/20)^a		25		24,861
3.50%, 06/01/22 (Call 05/01/22)		100		99,929
Exelon Generation Co. LLC
2.95%, 01/15/20 (Call 12/15/19)		195		194,949
4.25%, 06/15/22 (Call 03/15/22)^a		50		51,563
NextEra Energy Capital Holdings Inc.
2.30%, 04/01/19		50		49,793
2.40%, 09/15/19 (Call 08/15/19)		150		149,215
Public Service Co. of Colorado
5.13%, 06/01/19		250		257,480

				1,351,721
ELECTRONICS — 1.52%
Agilent Technologies Inc.
5.00%, 07/15/20		50		52,348


Security	Principal (000s)		Value
Honeywell International Inc.
1.40%, 10/30/19	$	25	$	24,527
1.85%, 11/01/21 (Call 10/01/21)^a		150		144,484
Koninklijke Philips NV
3.75%, 03/15/22		150		153,105

				374,464
FOOD — 2.78%
Campbell Soup Co.
4.25%, 04/15/21		50		51,600
General Mills Inc.
2.20%, 10/21/19		150		148,678
3.15%, 12/15/21 (Call 09/15/21)		75		74,983
Kellogg Co.
3.13%, 05/17/22^a		50		49,943
4.00%, 12/15/20		300		308,157
4.15%, 11/15/19		50		51,134

				684,495
GAS — 0.16%
Sempra Energy
1.63%, 10/07/19		40		39,228

				39,228
HEALTH CARE – PRODUCTS — 0.34%
Becton Dickinson and Co.
2.89%, 06/06/22 (Call 05/06/22)		85		82,804

				82,804
HEALTH CARE – SERVICES — 0.53%
Cigna Corp.
4.00%, 02/15/22 (Call 11/15/21)		50		51,413
Quest Diagnostics Inc.
4.70%, 04/01/21		75		78,531

				129,944
HOUSEHOLD PRODUCTS & WARES — 0.51%
Clorox Co. (The)
3.80%, 11/15/21		50		51,308
Kimberly-Clark Corp.
2.40%, 03/01/22		75		73,226

				124,534
HOUSEWARES — 0.30%
Newell Brands Inc.
3.15%, 04/01/21 (Call 03/01/21)		75		74,230

				74,230


Security	Principal (000s)		Value
INSURANCE — 0.62%
Marsh & McLennan Companies Inc.
2.35%, 03/06/20 (Call 02/06/20)	$	100	$	98,989
Prudential Financial Inc.
5.38%, 06/21/20		50		52,711

				151,700
LODGING — 1.38%
Marriott International Inc./MD
2.30%, 01/15/22 (Call 12/15/21)		125		120,667
2.88%, 03/01/21 (Call 02/01/21)		220		218,962

				339,629
MACHINERY — 2.10%
Caterpillar Financial Services Corp.
1.70%, 08/09/21		100		95,914
1.93%, 10/01/21		115		111,097
Caterpillar Inc.
3.90%, 05/27/21		102		105,183
CNH Industrial Capital LLC
3.38%, 07/15/19		150		150,295
Xylem Inc./NY
4.88%, 10/01/21		50		53,134

				515,623
MANUFACTURING — 2.27%
3M Co.
1.63%, 09/19/21 (Call 08/19/21)		150		144,053
2.00%, 06/26/22		185		178,540
General Electric Co.
2.20%, 01/09/20 (Call 12/09/19)		80		78,934
4.65%, 10/17/21		150		157,000

				558,527
MEDIA — 1.45%
Charter Communications Operating LLC/Charter Communications Operating Capital
4.46%, 07/23/22 (Call 05/23/22)		75		76,733
RELX Capital Inc.
3.13%, 10/15/22 (Call 07/15/22)		100		98,577
Time Warner Inc.
4.00%, 01/15/22		50		51,300
4.75%, 03/29/21		25		26,190
4.88%, 03/15/20		100		103,737

				356,537


Security	Principal (000s)		Value
OFFICE & BUSINESS EQUIPMENT — 0.40%
Pitney Bowes Inc.
3.63%, 10/01/21 (Call 09/01/21)	$	50	$	47,783
Xerox Corp.
4.50%, 05/15/21		50		51,247

				99,030
OIL & GAS — 2.41%
Cenovus Energy Inc.
3.00%, 08/15/22 (Call 05/15/22)		100		97,225
5.70%, 10/15/19		25		25,940
Devon Energy Corp.
3.25%, 05/15/22 (Call 02/15/22)		30		29,773
Encana Corp.
3.90%, 11/15/21 (Call 08/15/21)^a		75		76,312
Noble Energy Inc.
4.15%, 12/15/21 (Call 09/15/21)		25		25,646
Total Capital International SA
2.10%, 06/19/19		50		49,683
2.75%, 06/19/21		35		34,851
2.88%, 02/17/22^a		100		99,234
Total Capital SA
4.13%, 01/28/21		100		103,445
4.45%, 06/24/20		50		51,894

				594,003
OIL & GAS SERVICES — 1.62%
Baker Hughes a GE Co. LLC
3.20%, 08/15/21 (Call 05/15/21)		300		301,071
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
2.77%, 12/15/22 (Call 11/15/22)		100		97,637

				398,708
PHARMACEUTICALS — 2.98%
AstraZeneca PLC
2.38%, 06/12/22 (Call 05/12/22)		160		155,027
Cardinal Health Inc.
2.40%, 11/15/19		175		174,022
2.62%, 06/15/22 (Call 05/15/22)^a		200		193,444
Mead Johnson Nutrition Co.
3.00%, 11/15/20		35		34,977
Zoetis Inc.
3.25%, 02/01/23 (Call 11/01/22)		100		99,169
3.45%, 11/13/20 (Call 10/13/20)		75		75,843

				732,482


Security	Principal (000s)		Value
PIPELINES — 0.50%
Enbridge Inc.
2.90%, 07/15/22 (Call 06/15/22)	$	70	$	67,894
Kinder Morgan Energy Partners LP
3.95%, 09/01/22 (Call 06/01/22)		30		30,377
ONEOK Inc.
4.25%, 02/01/22 (Call 11/01/21)		25		25,649

				123,920
REAL ESTATE INVESTMENT TRUSTS — 0.96%
American Tower Corp.
4.70%, 03/15/22		75		78,528
Boston Properties LP
4.13%, 05/15/21 (Call 02/15/21)		100		103,199
5.63%, 11/15/20 (Call 08/15/20)		50		53,318

				235,045
RETAIL — 2.23%
Best Buy Co. Inc.
5.50%, 03/15/21 (Call 12/15/20)		225		239,152
Home Depot Inc. (The)
2.63%, 06/01/22 (Call 05/01/22)		110		108,622
Macy’s Retail Holdings Inc.
3.88%, 01/15/22 (Call 10/15/21)		50		50,006
Nordstrom Inc.
4.00%, 10/15/21 (Call 07/15/21)		50		50,667
Target Corp.
2.90%, 01/15/22		75		75,106
3.88%, 07/15/20		25		25,719

				549,272
SEMICONDUCTORS — 2.29%
Intel Corp.
1.70%, 05/19/21 (Call 04/19/21)		200		193,706
2.45%, 07/29/20		100		99,679
3.30%, 10/01/21		170		172,960
NVIDIA Corp.
2.20%, 09/16/21 (Call 08/16/21)		100		97,342

				563,687
SOFTWARE — 2.62%
Microsoft Corp.
1.55%, 08/08/21 (Call 07/08/21)		200		192,064
1.85%, 02/06/20		100		98,939
2.38%, 02/12/22 (Call 01/12/22)		175		171,675
2.40%, 02/06/22 (Call 01/06/22)		104		102,164


Security	Principal or Shares (000s)		Value
3.00%, 10/01/20	$	80	$	80,915

				645,757
TELECOMMUNICATIONS — 4.59%
Motorola Solutions Inc.
3.75%, 05/15/22		75		75,031
Orange SA
1.63%, 11/03/19		225		220,734
5.38%, 07/08/19		110		113,771
Telefonica Emisiones SAU
5.46%, 02/16/21		100		106,445
5.88%, 07/15/19		150		156,059
Vodafone Group PLC
2.50%, 09/26/22		125		120,861
4.38%, 03/16/21		50		51,931
5.45%, 06/10/19		275		284,336

				1,129,168
TRANSPORTATION — 0.95%
Canadian National Railway Co.
2.85%, 12/15/21 (Call 09/15/21)		35		34,914
Ryder System Inc.
2.45%, 09/03/19 (Call 08/03/19)		150		149,361
United Parcel Service Inc.
2.35%, 05/16/22 (Call 04/16/22)		50		48,697

				232,972

TOTAL CORPORATE BONDS & NOTES
(Cost: $24,365,676)				24,011,080

SHORT-TERM INVESTMENTS — 6.12%

MONEY MARKET FUNDS — 6.12%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^d,e,f		1,132		1,132,228
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^d,e		372		371,938

				1,504,166

TOTAL SHORT-TERM INVESTMENTS
(Cost: $1,504,221)				1,504,166


	Value
TOTAL INVESTMENTS IN SECURITIES — 103.71%
(Cost: $25,869,897)	$	25,515,246
Other Assets, Less Liabilities — (3.71)%		(911,925	)

NET ASSETS — 100.00%	$	24,603,321

^a	All or a portion of this security is on loan.

^b	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^c	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^d	Affiliate of the Fund.

^e	Annualized 7-day yield as of period end.

^f	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the period ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 98.36%

ADVERTISING — 1.24%
WPP Finance 2010
3.75%, 09/19/24	$	20	$	20,037
4.75%, 11/21/21		125		131,593

				151,630
AEROSPACE & DEFENSE — 2.50%
Embraer Netherlands Finance BV
5.40%, 02/01/27		35		37,180
Northrop Grumman Corp.
3.20%, 02/01/27 (Call 11/01/26)		25		23,979
3.85%, 04/15/45 (Call 10/15/44)		10		9,400
Rockwell Collins Inc.
2.80%, 03/15/22 (Call 02/15/22)		50		48,844
3.20%, 03/15/24 (Call 01/15/24)		150		146,988
United Technologies Corp.
4.50%, 06/01/42		40		41,156

				307,547
AGRICULTURE — 1.36%
Bunge Ltd. Finance Corp.
3.25%, 08/15/26 (Call 05/15/26)		35		32,958
8.50%, 06/15/19		125		133,698

				166,656
APPAREL — 0.43%
NIKE Inc.
2.25%, 05/01/23 (Call 02/01/23)		25		24,158
2.38%, 11/01/26 (Call 08/01/26)		15		13,846
3.88%, 11/01/45 (Call 05/01/45)		15		14,774

				52,778
AUTO MANUFACTURERS — 0.26%
Ford Motor Co.
5.29%, 12/08/46 (Call 06/08/46)^a		20		19,657
7.45%, 07/16/31		10		12,221

				31,878
BANKS — 20.67%
Australia & New Zealand Banking Group Ltd./New York NY
2.30%, 06/01/21		250		243,862
Banco Bilbao Vizcaya Argentaria SA
3.00%, 10/20/20		200		198,826
Bank of America Corp.
5.00%, 01/21/44		15		16,907


Security	Principal (000s)		Value
5.88%, 02/07/42	$	10	$	12,484
(3 mo. LIBOR US + 1.990%)
4.44%, 01/20/48 (Call 01/20/47)^b		55		57,062
Bank of Montreal
1.90%, 08/27/21		35		33,662
2.35%, 09/11/22		25		24,132
2.55%, 11/06/22 (Call 10/06/22)		50		48,558
Bank of New York Mellon Corp. (The)
(3 mo. LIBOR US + 1.069%)
3.44%, 02/07/28 (Call 02/07/27)^b		35		34,398
Bank of Nova Scotia (The)
2.35%, 10/21/20		100		98,687
2.70%, 03/07/22^a		50		49,031
2.80%, 07/21/21		35		34,747
4.38%, 01/13/21		50		52,016
4.50%, 12/16/25		25		25,582
BPCE SA
2.75%, 12/02/21^a		250		244,982
Canadian Imperial Bank of Commerce
2.55%, 06/16/22		100		97,381
Citigroup Inc.
4.75%, 05/18/46		55		56,322
8.13%, 07/15/39		10		15,235
Compass Bank
2.75%, 09/29/19 (Call 08/29/19)		250		248,437
Cooperatieve Rabobank UA
5.25%, 05/24/41		15		17,758
Goldman Sachs Group Inc. (The)
3.85%, 01/26/27 (Call 01/26/26)		50		49,320
5.15%, 05/22/45		10		10,821
6.25%, 02/01/41		10		12,683
6.75%, 10/01/37		50		63,159
HSBC Holdings PLC
6.10%, 01/14/42		30		38,640
JPMorgan Chase & Co.
4.95%, 06/01/45		10		10,796
6.40%, 05/15/38		15		19,614
(3 mo. LIBOR US + 1.580%)
4.26%, 02/22/48 (Call 02/22/47)^b		55		54,946
Morgan Stanley
3.95%, 04/23/27		35		34,429
4.30%, 01/27/45		20		20,000
4.38%, 01/22/47		40		40,534


Security	Principal (000s)		Value
Northern Trust Corp.
3.38%, 08/23/21	$	75	$	76,276
(3 mo. LIBOR US + 1.131%)
3.38%, 05/08/32 (Call 05/08/27)^b		30		28,753
Royal Bank of Canada
4.65%, 01/27/26		15		15,559
Santander Holdings USA Inc.
4.50%, 07/17/25 (Call 04/17/25)		35		35,509
State Street Corp.
3.55%, 08/18/25		125		125,409
Sumitomo Mitsui Financial Group Inc.
3.54%, 01/17/28		15		14,640
SVB Financial Group
3.50%, 01/29/25		25		24,346
Toronto-Dominion Bank (The)
(5 year USD Swap + 2.205%)
3.63%, 09/15/31 (Call 09/15/26)^b		35		33,621
Westpac Banking Corp.
2.10%, 05/13/21		100		97,100
2.60%, 11/23/20		50		49,543
3.35%, 03/08/27		75		72,787

				2,538,554
BEVERAGES — 5.87%
Anheuser-Busch InBev Finance Inc.
3.65%, 02/01/26 (Call 11/01/25)		125		123,725
4.70%, 02/01/36 (Call 08/01/35)		15		15,765
4.90%, 02/01/46 (Call 08/01/45)		35		37,335
Coca-Cola European Partners U.S. LLC
3.50%, 09/15/20		100		101,440
Coca-Cola Femsa SAB de CV
4.63%, 02/15/20		100		103,458
Diageo Capital PLC
3.88%, 04/29/43 (Call 10/29/42)		15		14,914
4.83%, 07/15/20		50		52,318
Diageo Investment Corp.
2.88%, 05/11/22		125		124,010
Molson Coors Brewing Co.
4.20%, 07/15/46 (Call 01/15/46)		20		18,734
PepsiCo Inc.
3.60%, 03/01/24 (Call 12/01/23)		100		101,958
4.45%, 04/14/46 (Call 10/14/45)		25		26,830

				720,487


Security	Principal (000s)		Value
BIOTECHNOLOGY — 0.75%
Amgen Inc.
4.66%, 06/15/51 (Call 12/15/50)	$	30	$	30,442
Biogen Inc.
5.20%, 09/15/45 (Call 03/15/45)		20		21,756
Celgene Corp.
5.00%, 08/15/45 (Call 02/15/45)		10		10,340
Gilead Sciences Inc.
4.15%, 03/01/47 (Call 09/01/46)		30		29,051

				91,589
BUILDING MATERIALS — 0.20%
Johnson Controls International PLC
4.95%, 07/02/64 (Call 01/02/64)^c		10		10,445
Owens Corning
3.40%, 08/15/26 (Call 05/15/26)		15		14,323

				24,768
CHEMICALS — 0.74%
Dow Chemical Co. (The)
4.38%, 11/15/42 (Call 05/15/42)		20		19,984
EI du Pont de Nemours & Co.
4.15%, 02/15/43^a		25		24,640
LyondellBasell Industries NV
4.63%, 02/26/55 (Call 08/26/54)		5		4,904
Mosaic Co. (The)
5.45%, 11/15/33 (Call 05/15/33)		20		21,251
Sherwin-Williams Co. (The)
4.50%, 06/01/47 (Call 12/01/46)		20		20,000

				90,779
COMMERCIAL SERVICES — 1.76%
Ecolab Inc.
2.70%, 11/01/26 (Call 08/01/26)		50		46,716
3.25%, 01/14/23 (Call 11/14/22)		50		50,009
4.35%, 12/08/21		82		85,656
5.50%, 12/08/41		20		23,623
Western Union Co. (The)
6.20%, 11/17/36		10		10,502

				216,506
COMPUTERS — 3.35%
Apple Inc.
3.25%, 02/23/26 (Call 11/23/25)		25		24,628
3.35%, 02/09/27 (Call 11/09/26)		25		24,645
4.50%, 02/23/36 (Call 08/23/35)		15		16,363
4.65%, 02/23/46 (Call 08/23/45)		30		32,734


Security	Principal (000s)		Value
Dell International LLC/EMC Corp.
6.02%, 06/15/26 (Call 03/15/26)^d	$	50	$	53,398
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)		100		101,090
6.35%, 10/15/45 (Call 04/15/45)		15		15,803
HP Inc.
4.05%, 09/15/22		100		102,761
International Business Machines Corp.
5.60%, 11/30/39		25		30,925
Seagate HDD Cayman
5.75%, 12/01/34 (Call 06/01/34)		10		9,488

				411,835
COSMETICS & PERSONAL CARE — 0.46%
Procter & Gamble Co. (The)
2.45%, 11/03/26		25		23,191
2.85%, 08/11/27		35		33,361

				56,552
DIVERSIFIED FINANCIAL SERVICES — 3.12%
American Express Credit Corp.
3.30%, 05/03/27 (Call 04/03/27)		50		48,473
AXA Financial Inc.
7.00%, 04/01/28		35		42,838
Franklin Resources Inc.
2.85%, 03/30/25		35		33,857
GE Capital International Funding Co. Unlimited Co.
2.34%, 11/15/20		200		195,654
Jefferies Group LLC
6.25%, 01/15/36		15		16,544
Visa Inc.
3.15%, 12/14/25 (Call 09/14/25)		25		24,539
4.30%, 12/14/45 (Call 06/14/45)		20		21,198

				383,103
ELECTRIC — 8.51%
Arizona Public Service Co.
4.35%, 11/15/45 (Call 05/15/45)		10		10,556
Avangrid Inc.
3.15%, 12/01/24 (Call 10/01/24)		15		14,556
Baltimore Gas & Electric Co.
2.40%, 08/15/26 (Call 05/15/26)		100		91,798
Berkshire Hathaway Energy Co.
5.15%, 11/15/43 (Call 05/15/43)		25		28,917


Security	Principal (000s)		Value
Consolidated Edison Co. of New York Inc.
4.50%, 12/01/45 (Call 06/01/45)	$	30	$	32,340
Dominion Energy Inc.
7.00%, 06/15/38		25		33,004
Duke Energy Corp.
3.75%, 09/01/46 (Call 03/01/46)		25		22,752
Exelon Corp.
3.50%, 06/01/22 (Call 05/01/22)		50		49,965
Exelon Generation Co. LLC
4.00%, 10/01/20 (Call 07/01/20)		50		51,072
5.60%, 06/15/42 (Call 12/15/41)^a		20		20,910
Florida Power & Light Co.
5.95%, 02/01/38		10		12,731
NextEra Energy Capital Holdings Inc.
3.55%, 05/01/27 (Call 02/01/27)		50		48,962
4.50%, 06/01/21 (Call 03/01/21)		150		155,899
NSTAR Electric Co.
3.20%, 05/15/27 (Call 02/15/27)		50		48,608
Progress Energy Inc.
6.00%, 12/01/39		20		24,880
Public Service Electric & Gas Co.
3.80%, 03/01/46 (Call 09/01/45)		15		14,707
San Diego Gas & Electric Co.
2.50%, 05/15/26 (Call 02/15/26)		40		37,256
South Carolina Electric & Gas Co.
6.05%, 01/15/38		10		11,933
Southern California Edison Co.
4.65%, 10/01/43 (Call 04/01/43)		35		38,206
Southern Co. (The)
3.25%, 07/01/26 (Call 04/01/26)		35		33,325
4.40%, 07/01/46 (Call 01/01/46)		25		25,061
Southwestern Electric Power Co.
6.20%, 03/15/40		20		25,246
Wisconsin Public Service Corp.
4.75%, 11/01/44 (Call 05/01/44)		10		11,231
Xcel Energy Inc.
3.30%, 06/01/25 (Call 12/01/24)		35		34,364
3.35%, 12/01/26 (Call 06/01/26)		65		63,653
4.70%, 05/15/20 (Call 11/15/19)		100		103,108

				1,045,040
ELECTRONICS — 1.88%
Agilent Technologies Inc.
3.88%, 07/15/23 (Call 04/15/23)		100		101,623


Security	Principal (000s)		Value
Corning Inc.
4.38%, 11/15/57 (Call 05/15/57)	$	10	$	9,395
Honeywell International Inc.
1.85%, 11/01/21 (Call 10/01/21)^a		50		48,161
2.50%, 11/01/26 (Call 08/01/26)		50		46,213
Keysight Technologies Inc.
4.60%, 04/06/27 (Call 01/06/27)		25		25,791

				231,183
ENGINEERING & CONSTRUCTION — 0.13%
ABB Finance USA Inc.
4.38%, 05/08/42		15		15,448

				15,448
FOOD — 3.13%
Campbell Soup Co.
3.30%, 03/19/25 (Call 12/19/24)		50		49,146
General Mills Inc.
3.15%, 12/15/21 (Call 09/15/21)		75		74,983
3.20%, 02/10/27 (Call 11/10/26)^a		25		23,840
Kellogg Co.
3.25%, 04/01/26		50		47,770
4.15%, 11/15/19		150		153,400
Kraft Heinz Foods Co.
5.20%, 07/15/45 (Call 01/15/45)		25		25,473
Kroger Co. (The)
4.65%, 01/15/48 (Call 07/15/47)		10		9,663

				384,275
FOREST PRODUCTS & PAPER — 0.18%
International Paper Co.
5.15%, 05/15/46 (Call 11/15/45)		20		21,892

				21,892
GAS — 0.81%
Dominion Energy Gas Holdings LLC
4.80%, 11/01/43 (Call 05/01/43)		10		10,541
NiSource Inc.
4.80%, 02/15/44 (Call 08/15/43)		15		16,201
Sempra Energy
6.00%, 10/15/39		10		12,360
Southern California Gas Co.
2.60%, 06/15/26 (Call 03/15/26)		50		46,763
Southern Co. Gas Capital Corp.
3.95%, 10/01/46 (Call 04/01/46)		15		13,945

				99,810


Security	Principal (000s)		Value
HEALTH CARE – PRODUCTS — 0.79%
Abbott Laboratories
4.90%, 11/30/46 (Call 05/30/46)	$	20	$	21,601
Becton Dickinson and Co.
3.70%, 06/06/27 (Call 03/06/27)		50		47,928
Medtronic Inc.
4.63%, 03/15/44 (Call 09/15/43)		25		27,214

				96,743
HEALTH CARE – SERVICES — 0.63%
Aetna Inc.
3.88%, 08/15/47 (Call 02/15/47)		10		8,856
Anthem Inc.
4.63%, 05/15/42		25		25,291
Humana Inc.
4.95%, 10/01/44 (Call 04/01/44)		10		10,588
UnitedHealth Group Inc.
4.75%, 07/15/45		30		33,102

				77,837
HOUSEHOLD PRODUCTS & WARES — 1.41%
Clorox Co. (The)
3.05%, 09/15/22 (Call 06/15/22)		125		124,795
Kimberly-Clark Corp.
3.05%, 08/15/25		50		48,932

				173,727
HOUSEWARES — 0.13%
Newell Brands Inc.
5.50%, 04/01/46 (Call 10/01/45)		15		15,886

				15,886
INSURANCE — 1.60%
Allstate Corp. (The)
4.20%, 12/15/46 (Call 06/15/46)		5		5,071
American International Group Inc.
4.50%, 07/16/44 (Call 01/16/44)		25		24,826
Berkshire Hathaway Finance Corp.
5.75%, 01/15/40		30		37,534
Manulife Financial Corp.
(5 year USD Swap + 1.647%)
4.06%, 02/24/32 (Call 02/24/27)^b		25		24,526
Marsh & McLennan Companies Inc.
4.35%, 01/30/47 (Call 07/30/46)^a		25		25,626
MetLife Inc.
4.60%, 05/13/46 (Call 11/13/45)^a		25		26,337


Security	Principal (000s)		Value
Prudential Financial Inc.
4.60%, 05/15/44	$	25	$	26,497
Travelers Companies Inc. (The)
4.00%, 05/30/47 (Call 11/30/46)		20		20,009
5.35%, 11/01/40		5		6,013

				196,439
INTERNET — 0.16%
Amazon.com Inc.
4.05%, 08/22/47 (Call 02/22/47)^d		20		19,877

				19,877
LODGING — 0.35%
Marriott International Inc./MD Series R
3.13%, 06/15/26 (Call 03/15/26)		45		42,705

				42,705
MACHINERY — 1.47%
Caterpillar Financial Services Corp.
3.25%, 12/01/24		50		49,805
Caterpillar Inc.
3.40%, 05/15/24 (Call 02/15/24)		25		25,319
Cummins Inc.
3.65%, 10/01/23 (Call 07/01/23)		50		51,617
Xylem Inc./NY
4.88%, 10/01/21		50		53,133

				179,874
MANUFACTURING — 2.65%
3M Co.
1.63%, 09/19/21 (Call 08/19/21)		175		168,061
2.25%, 09/19/26 (Call 06/19/26)		50		45,879
General Electric Co.
3.38%, 03/11/24		35		34,405
4.13%, 10/09/42		15		14,013
5.88%, 01/14/38		40		46,846
Ingersoll-Rand Luxembourg Finance SA
4.65%, 11/01/44 (Call 05/01/44)		15		15,762

				324,966
MEDIA — 1.92%
21st Century Fox America Inc.
5.40%, 10/01/43		25		29,261


Security	Principal (000s)		Value
Charter Communications Operating LLC/Charter Communications Operating Capital
6.38%, 10/23/35 (Call 04/23/35)	$	20	$	22,536
6.48%, 10/23/45 (Call 04/23/45)		10		11,245
Comcast Corp.
4.60%, 08/15/45 (Call 02/15/45)		40		41,448
6.95%, 08/15/37		10		13,350
Discovery Communications LLC
4.88%, 04/01/43		15		14,283
5.20%, 09/20/47 (Call 03/20/47)		10		9,937
Time Warner Cable LLC
6.75%, 06/15/39		20		22,971
Time Warner Inc.
3.80%, 02/15/27 (Call 11/15/26)		25		24,283
6.25%, 03/29/41		25		29,740
Viacom Inc.
5.85%, 09/01/43 (Call 03/01/43)		15		16,426

				235,480
MINING — 0.29%
Newmont Mining Corp.
6.25%, 10/01/39		20		24,469
Rio Tinto Finance USA Ltd.
5.20%, 11/02/40		10		11,689

				36,158
OIL & GAS — 2.70%
Apache Corp.
4.75%, 04/15/43 (Call 10/15/42)		25		24,683
Cenovus Energy Inc.
5.40%, 06/15/47 (Call 12/15/46)		20		20,074
ConocoPhillips Co.
4.30%, 11/15/44 (Call 05/15/44)		40		41,160
Devon Energy Corp.
5.60%, 07/15/41 (Call 01/15/41)		20		22,356
Encana Corp.
6.50%, 02/01/38		15		18,084
Hess Corp.
4.30%, 04/01/27 (Call 01/01/27)^a		50		48,815
Marathon Oil Corp.
5.20%, 06/01/45 (Call 12/01/44)		15		15,752
Marathon Petroleum Corp.
6.50%, 03/01/41 (Call 09/01/40)		15		18,228


Security	Principal (000s)		Value
Noble Energy Inc.
5.25%, 11/15/43 (Call 05/15/43)	$	15	$	15,967
Occidental Petroleum Corp.
4.40%, 04/15/46 (Call 10/15/45)		10		10,389
Phillips 66
4.88%, 11/15/44 (Call 05/15/44)		10		10,518
Suncor Energy Inc.
6.80%, 05/15/38		20		26,511
Total Capital Canada Ltd.
2.75%, 07/15/23		50		48,959
Valero Energy Corp.
4.90%, 03/15/45		10		10,619

				332,115
OIL & GAS SERVICES — 1.63%
Baker Hughes a GE Co. LLC
3.20%, 08/15/21 (Call 05/15/21)		75		75,268
5.13%, 09/15/40		25		27,573
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
2.77%, 12/15/22 (Call 11/15/22)		75		73,228
Halliburton Co.
5.00%, 11/15/45 (Call 05/15/45)		10		10,801
National Oilwell Varco Inc.
3.95%, 12/01/42 (Call 06/01/42)		15		13,030

				199,900
PHARMACEUTICALS — 3.51%
AbbVie Inc.
4.70%, 05/14/45 (Call 11/14/44)		30		30,990
AstraZeneca PLC
6.45%, 09/15/37		25		32,000
Cardinal Health Inc.
3.08%, 06/15/24 (Call 04/15/24)		50		47,922
3.50%, 11/15/24 (Call 08/15/24)		100		98,349
4.63%, 12/15/20		50		52,074
CVS Health Corp.
5.13%, 07/20/45 (Call 01/20/45)		10		10,450
Johnson & Johnson
3.70%, 03/01/46 (Call 09/01/45)		20		19,554
Merck & Co. Inc.
3.70%, 02/10/45 (Call 08/10/44)		25		24,298
Novartis Capital Corp.
4.00%, 11/20/45 (Call 05/20/45)		10		10,194


Security	Principal (000s)		Value
Zoetis Inc.
4.50%, 11/13/25 (Call 08/13/25)	$	100	$	105,691

				431,522
PIPELINES — 2.27%
Columbia Pipeline Group Inc.
5.80%, 06/01/45 (Call 12/01/44)		15		17,401
Enbridge Inc.
3.70%, 07/15/27 (Call 04/15/27)		50		48,257
EnLink Midstream Partners LP
5.05%, 04/01/45 (Call 10/01/44)		5		4,736
Enterprise Products Operating LLC
4.85%, 03/15/44 (Call 09/15/43)		25		26,162
Kinder Morgan Energy Partners LP
6.38%, 03/01/41		35		39,797
MPLX LP
5.20%, 03/01/47 (Call 09/01/46)		15		15,608
ONEOK Inc.
4.95%, 07/13/47 (Call 01/06/47)		10		10,131
ONEOK Partners LP
6.13%, 02/01/41 (Call 08/01/40)		10		11,538
Phillips 66 Partners LP
4.90%, 10/01/46 (Call 04/01/46)		10		10,079
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)		15		14,713
Spectra Energy Partners LP
5.95%, 09/25/43 (Call 03/25/43)		20		23,454
TransCanada PipeLines Ltd.
7.25%, 08/15/38		25		34,242
Williams Partners LP
5.40%, 03/04/44 (Call 09/04/43)		10		10,682
6.30%, 04/15/40		10		11,823

				278,623
REAL ESTATE — 1.77%
CBRE Services Inc.
4.88%, 03/01/26 (Call 12/01/25)		60		63,086
5.00%, 03/15/23 (Call 03/15/18)		50		51,256
Prologis LP
3.75%, 11/01/25 (Call 08/01/25)		50		50,836
4.25%, 08/15/23 (Call 05/15/23)		50		52,275

				217,453
REAL ESTATE INVESTMENT TRUSTS — 1.25%
American Tower Corp.
3.55%, 07/15/27 (Call 04/15/27)		15		14,290


Security	Principal (000s)		Value
Boston Properties LP
3.65%, 02/01/26 (Call 11/03/25)	$	25	$	24,797
Brixmor Operating Partnership LP
4.13%, 06/15/26 (Call 03/15/26)		15		14,744
HCP Inc.
6.75%, 02/01/41 (Call 08/01/40)		20		25,426
Liberty Property LP
3.25%, 10/01/26 (Call 07/01/26)		50		47,770
Weyerhaeuser Co.
7.38%, 03/15/32		20		26,300

				153,327
RETAIL — 2.35%
Best Buy Co. Inc.
5.50%, 03/15/21 (Call 12/15/20)		150		159,435
Home Depot Inc. (The)
5.88%, 12/16/36		40		51,044
Lowe’s Companies Inc.
4.05%, 05/03/47 (Call 11/03/46)		20		19,594
Macy’s Retail Holdings Inc.
4.50%, 12/15/34 (Call 06/15/34)		10		8,724
McDonald’s Corp.
4.88%, 12/09/45 (Call 06/09/45)		10		10,881
Nordstrom Inc.
5.00%, 01/15/44 (Call 07/15/43)		20		19,304
Target Corp.
4.00%, 07/01/42		15		14,713
Walgreens Boots Alliance Inc.
4.65%, 06/01/46 (Call 12/01/45)		5		4,875

				288,570
SEMICONDUCTORS — 2.44%
Applied Materials Inc.
3.30%, 04/01/27 (Call 01/01/27)		35		34,275
Intel Corp.
3.15%, 05/11/27 (Call 02/11/27)^a		100		97,716
3.30%, 10/01/21		100		101,741
4.80%, 10/01/41		15		17,047
NVIDIA Corp.
3.20%, 09/16/26 (Call 06/16/26)		50		48,476

				299,255
SOFTWARE — 3.54%
Microsoft Corp.
1.55%, 08/08/21 (Call 07/08/21)		150		144,048
2.40%, 08/08/26 (Call 05/08/26)		50		46,421


Security	Principal (000s)		Value
3.30%, 02/06/27 (Call 11/06/26)	$	100	$	99,102
Series 30Y
4.25%, 02/06/47 (Call 08/06/46)		50		53,342
Oracle Corp.
2.65%, 07/15/26 (Call 04/15/26)		25		23,369
5.38%, 07/15/40		40		48,340
6.13%, 07/08/39		15		19,619

				434,241
TELECOMMUNICATIONS — 5.63%
America Movil SAB de CV
6.38%, 03/01/35		20		24,219
AT&T Inc.
4.50%, 03/09/48 (Call 09/09/47)		10		9,111
4.75%, 05/15/46 (Call 11/15/45)		50		47,237
4.90%, 08/14/37 (Call 02/14/37)		20		20,043
5.15%, 02/14/50 (Call 08/14/49)		20		19,940
5.25%, 03/01/37 (Call 09/01/36)		45		46,625
British Telecommunications PLC
9.13%, 12/15/30		20		29,021
Cisco Systems Inc.
2.95%, 02/28/26		50		48,480
Motorola Solutions Inc.
5.50%, 09/01/44		15		14,925
Orange SA
4.13%, 09/14/21		50		51,953
5.38%, 01/13/42		20		23,103
Rogers Communications Inc.
4.30%, 02/15/48 (Call 08/15/47)		10		9,894
Telefonica Emisiones SAU
7.05%, 06/20/36		20		25,456
Verizon Communications Inc.
4.27%, 01/15/36		50		47,974
4.52%, 09/15/48		10		9,450
4.67%, 03/15/55		10		9,342
5.01%, 08/21/54		50		49,234
Vodafone Group PLC
4.38%, 02/19/43		25		23,966
5.45%, 06/10/19		175		180,941

				690,914
TRANSPORTATION — 2.52%
CSX Corp.
3.95%, 05/01/50 (Call 11/01/49)		10		9,173
4.25%, 11/01/66 (Call 05/01/66)		5		4,563
6.22%, 04/30/40		10		12,496


Security	Principal or Shares (000s)		Value
FedEx Corp.
4.55%, 04/01/46 (Call 10/01/45)	$	10	$	10,174
Norfolk Southern Corp.
4.80%, 08/15/43 (Call 02/15/43)		10		10,718
4.84%, 10/01/41		10		10,961
Ryder System Inc.
2.65%, 03/02/20 (Call 02/02/20)		200		198,966
Union Pacific Corp.
3.80%, 10/01/51 (Call 04/01/51)		25		23,929
United Parcel Service Inc.
3.63%, 10/01/42		30		28,454

				309,434

TOTAL CORPORATE BONDS & NOTES (Cost: $12,303,941)				12,077,356

SHORT-TERM INVESTMENTS — 15.72%

MONEY MARKET FUNDS — 15.72%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^e,f,g		643		643,423
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^e,f		1,287		1,287,250

				1,930,673

TOTAL SHORT-TERM INVESTMENTS
(Cost: $1,930,676)				1,930,673


	Value
TOTAL INVESTMENTS IN SECURITIES — 114.08%
(Cost: $14,234,617)	$	14,008,029
Other Assets, Less Liabilities — (14.08)%		(1,729,071	)

NET ASSETS — 100.00%	$	12,278,958

^a	All or a portion of this security is on loan.

^b	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^c	Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently in effect.

^d	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^e	Affiliate of the Fund.

^f	Annualized 7-day yield as of period end.

^g	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the period ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

These financial statements relate only to the following funds (each, a “Fund,” and collectively, the “Funds”):

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

For the period ended February 28, 2018, the total of securities lending agent services and collateral investment fees paid were as follows:

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Funds for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the period ended February 28, 2018 were as follows:

In-kind transactions (see Note 4) for the period ended February 28, 2018 were as follows:

The tax character of distributions paid during the period ended February 28, 2018 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

As of February 28, 2018, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives) for U.S. federal income tax purposes were as follows:

(collectively, “Defendants”) in California State Court. The lawsuit alleges the Defendants violated federal securities laws by failing to adequately disclose in the prospectuses issued by the funds noted above the risks of using stop-loss orders in the event of a ‘flash crash’, such as the one that occurred on May 6, 2010. On September 18, 2017, the court issued a Statement of Decision holding that the Plaintiffs lack standing to assert their claims. On October 11, 2017, the court entered final judgment dismissing all of the Plaintiffs’ claims with prejudice. Plaintiffs have appealed the court’s decision.

We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of iShares ESG 1-5 Year USD Corporate Bond ETF and iShares ESG USD Corporate Bond ETF (two of the funds constituting iShares Trust, hereafter collectively referred to as the “Funds”) as of February 28, 2018, the related statements of operations and changes in net assets, including the related notes, and the financial highlights for the period July 11, 2017 (commencement of operations) through February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of each of the Funds as of February 28, 2018, and the results of each of their operations, changes in each of their net assets, and each of the financial highlights for the period July 11, 2017 (commencement of operations) through February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

The Funds hereby designate the following amounts of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018:

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Funds’ shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher Treasury bond yields and lower bond prices, particularly in the latter half of the reporting period. However, credit-sensitive investment-grade bonds outperformed Treasury bonds as the difference in yield between credit-sensitive bonds and Treasury securities narrowed during the reporting period.

The iShares Intermediate Credit Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. dollar-denominated, investment-grade corporate, sovereign, supranational, local authority and non-U.S. agency bonds with remaining maturities between one and ten years, as represented by the Bloomberg Barclays U.S. Intermediate Credit Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.87%, net of fees, while the total return for the Index was 1.02%.

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²	Percentage of Total Investments¹
Aaa		10.85	%
Aa		10.80
A		36.36
Baa		38.39
Ba		1.86
Not Rated		1.74

TOTAL		100.00	%

Actual Expenses — The table provides information about actual account values and actual expenses. Annualized expense ratios reflect contractual and voluntary fee waivers, if any. To estimate the expenses that you paid on your account over the period, simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number under the heading entitled “Expenses Paid During Period.”


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 85.97%

ADVERTISING — 0.16%
Interpublic Group of Companies Inc. (The)
3.75%, 02/15/23	$	856	$	861,727
4.00%, 03/15/22		595		605,317
4.20%, 04/15/24^a		860		880,270
Omnicom Group Inc.
3.60%, 04/15/26 (Call 01/15/26)		2,600		2,539,368
3.63%, 05/01/22		2,292		2,320,054
3.65%, 11/01/24 (Call 08/01/24)		705		701,757
4.45%, 08/15/20		1,315		1,361,091
6.25%, 07/15/19		1,200		1,255,104
WPP Finance 2010
3.63%, 09/07/22		790		797,497
3.75%, 09/19/24		170		170,316
4.75%, 11/21/21		325		342,141

				11,834,642
AEROSPACE & DEFENSE — 1.21%
Boeing Capital Corp.
4.70%, 10/27/19		265		274,553
Boeing Co. (The)
1.65%, 10/30/20 (Call 09/30/20)		189		184,549
1.88%, 06/15/23 (Call 04/15/23)		250		235,785
2.25%, 06/15/26 (Call 03/15/26)		1,615		1,487,044
2.35%, 10/30/21		120		118,448
2.50%, 03/01/25 (Call 12/01/24)^a		245		233,189
2.60%, 10/30/25 (Call 07/30/25)		645		612,253
2.80%, 03/01/23 (Call 02/01/23)		2,555		2,526,665
2.80%, 03/01/27 (Call 12/01/26)		740		706,826
2.85%, 10/30/24 (Call 07/30/24)^a		1,020		997,713
3.25%, 03/01/28 (Call 12/01/27)		1,355		1,337,399


Security	Principal (000s)		Value
4.88%, 02/15/20	$	1,986	$	2,076,423
6.00%, 03/15/19		600		620,718
7.95%, 08/15/24		200		252,448
8.75%, 08/15/21		420		500,459
Embraer Netherlands Finance BV
5.05%, 06/15/25		810		844,846
5.40%, 02/01/27^a		2,750		2,921,242
General Dynamics Corp.
1.88%, 08/15/23 (Call 06/15/23)		300		280,950
2.13%, 08/15/26 (Call 05/15/26)		2,540		2,287,499
2.25%, 11/15/22 (Call 08/15/22)		660		635,989
2.38%, 11/15/24 (Call 09/15/24)		2,250		2,130,863
2.63%, 11/15/27 (Call 08/15/27)^a		1,300		1,209,143
3.88%, 07/15/21 (Call 04/15/21)		587		604,862
Harris Corp.
2.70%, 04/27/20 (Call 03/27/20)		25		24,865
3.83%, 04/27/25 (Call 01/27/25)^a		235		237,171
4.40%, 12/15/20		200		206,836
5.55%, 10/01/21		1,045		1,120,627
L3 Technologies Inc.
3.85%, 12/15/26 (Call 09/15/26)^a		720		714,974
3.95%, 05/28/24 (Call 02/28/24)		534		540,707
4.75%, 07/15/20		742		769,016
4.95%, 02/15/21 (Call 11/15/20)^a		908		949,523
5.20%, 10/15/19		1,380		1,429,832
Lockheed Martin Corp.
2.50%, 11/23/20 (Call 10/23/20)		3,375		3,343,241
2.90%, 03/01/25 (Call 12/01/24)		2,625		2,523,413
3.10%, 01/15/23 (Call 11/15/22)^a		1,460		1,457,445


Security	Principal (000s)		Value
3.35%, 09/15/21	$	3,080	$	3,117,453
3.55%, 01/15/26 (Call 10/15/25)		611		611,073
4.25%, 11/15/19		822		844,589
Northrop Grumman Corp.
2.08%, 10/15/20		3,015		2,952,469
2.55%, 10/15/22 (Call 09/15/22)		2,650		2,561,331
2.93%, 01/15/25 (Call 11/15/24)		1,375		1,319,931
3.20%, 02/01/27 (Call 11/01/26)		2,283		2,189,739
3.25%, 08/01/23^a		2,933		2,916,106
3.50%, 03/15/21		2,250		2,281,095
Raytheon Co.
2.50%, 12/15/22 (Call 09/15/22)		3,288		3,209,680
3.15%, 12/15/24 (Call 09/15/24)		570		565,742
4.40%, 02/15/20^a		1,100		1,138,071
Rockwell Collins Inc.
2.80%, 03/15/22 (Call 02/15/22)		3,231		3,156,299
3.10%, 11/15/21 (Call 08/15/21)		450		449,100
3.50%, 03/15/27 (Call 12/15/26)		2,760		2,687,550
3.70%, 12/15/23 (Call 09/15/23)		850		858,373
5.25%, 07/15/19		450		464,940
Spirit AeroSystems Inc.
3.85%, 06/15/26 (Call 03/15/26)^a		870		853,696
United Technologies Corp.
1.50%, 11/01/19		2,690		2,642,279
1.95%, 11/01/21 (Call 10/01/21)		1,285		1,236,042
2.30%, 05/04/22 (Call 04/04/22)^a		2,100		2,027,949
2.65%, 11/01/26 (Call 08/01/26)		670		621,807
2.80%, 05/04/24 (Call 03/04/24)		1,685		1,615,679


Security	Principal (000s)		Value
3.10%, 06/01/22	$	4,285	$	4,272,659
3.13%, 05/04/27 (Call 02/04/27)		2,090		1,983,703
4.50%, 04/15/20		3,828		3,972,966
8.75%, 03/01/21^a		100		115,936

				87,063,773
AGRICULTURE — 1.08%
Altria Group Inc.
2.63%, 01/14/20 (Call 12/14/19)^a		4,365		4,350,377
2.63%, 09/16/26 (Call 06/16/26)^a		1,260		1,163,862
2.85%, 08/09/22		4,199		4,126,861
2.95%, 05/02/23		1,050		1,032,528
4.00%, 01/31/24		1,180		1,214,751
4.75%, 05/05/21^a		4,189		4,408,671
9.25%, 08/06/19		1,193		1,301,468
Archer-Daniels-Midland Co.
2.50%, 08/11/26 (Call 05/11/26)^a		530		487,976
4.48%, 03/01/21		792		828,416
BAT Capital Corp.
2.30%, 08/14/20^b		2,335		2,292,947
2.76%, 08/15/22 (Call 07/15/22)^b		5,515		5,362,014
3.22%, 08/15/24 (Call 06/15/24)^b		5,170		4,991,532
3.56%, 08/15/27 (Call 05/15/27)^b		5,375		5,139,521
Bunge Ltd. Finance Corp.
3.00%, 09/25/22 (Call 08/25/22)^a		970		946,439
3.25%, 08/15/26 (Call 05/15/26)		206		193,982
3.50%, 11/24/20 (Call 10/24/20)		715		721,027
3.75%, 09/25/27 (Call 06/25/27)^a		1,725		1,667,006
8.50%, 06/15/19		305		326,222
Philip Morris International Inc.
1.88%, 11/01/19		1,500		1,479,870
1.88%, 02/25/21 (Call 01/25/21)		775		750,332


Security	Principal (000s)		Value
2.00%, 02/21/20	$	140	$	137,924
2.13%, 05/10/23 (Call 03/10/23)		835		787,772
2.38%, 08/17/22 (Call 07/17/22)		3,075		2,965,376
2.50%, 08/22/22		80		77,558
2.50%, 11/02/22 (Call 10/02/22)		2,000		1,933,740
2.63%, 02/18/22 (Call 01/18/22)		1,480		1,451,184
2.63%, 03/06/23		365		354,130
2.75%, 02/25/26 (Call 11/25/25)^a		560		526,697
2.90%, 11/15/21		1,830		1,817,062
3.13%, 08/17/27 (Call 05/17/27)		1,050		1,008,305
3.25%, 11/10/24		2,330		2,294,724
3.38%, 08/11/25 (Call 05/11/25)		1,855		1,826,637
3.60%, 11/15/23		1,147		1,166,029
4.13%, 05/17/21^a		935		965,444
4.50%, 03/26/20		4,946		5,113,719
Reynolds American Inc.
3.25%, 06/12/20		1,728		1,735,983
4.00%, 06/12/22		1,545		1,583,115
4.45%, 06/12/25 (Call 03/12/25)		3,274		3,378,964
4.85%, 09/15/23^a		1,475		1,574,474
6.88%, 05/01/20^a		1,347		1,453,925
8.13%, 06/23/19		2,547		2,719,585

				77,658,149
AIRLINES — 0.14%
American Airlines Pass Through Trust Series 2013-2, Class A
4.95%, 07/15/24		2,094		2,185,803
Continental Airlines Inc. Pass Through Trust Series 2012-2, Class A
4.00%, 04/29/26^a		347		353,489
Delta Air Lines Inc.
2.60%, 12/04/20		375		370,313
3.63%, 03/15/22 (Call 02/15/22)		1,185		1,185,521


Security	Principal (000s)		Value
Delta Air Lines Inc. Pass Through Trust Series 2017-1, Class A
6.82%, 02/10/24	$	1,306	$	1,453,755
Southwest Airlines Co.
2.65%, 11/05/20 (Call 10/05/20)		955		947,704
2.75%, 11/06/19 (Call 10/06/19)		472		471,972
2.75%, 11/16/22 (Call 10/16/22)		1,290		1,267,154
3.00%, 11/15/26 (Call 08/15/26)^a		300		282,867
3.45%, 11/16/27 (Call 08/16/27)		725		704,475
U.S. Airways Pass Through Trust Series 2013-1
3.95%, 05/15/27		398		402,422
United Airlines Pass Through Trust Series 2016-1, Class AA
3.10%, 01/07/30		448		431,533

				10,057,008
APPAREL — 0.04%
NIKE Inc.
2.25%, 05/01/23 (Call 02/01/23)		374		361,411
2.38%, 11/01/26 (Call 08/01/26)		1,315		1,213,824
Ralph Lauren Corp.
2.63%, 08/18/20 (Call 07/18/20)		715		712,119
VF Corp.
3.50%, 09/01/21 (Call 06/01/21)		580		590,875

				2,878,229
AUTO MANUFACTURERS — 2.49%
American Honda Finance Corp.
1.20%, 07/12/19		345		338,559
1.65%, 07/12/21		2,200		2,113,628
1.70%, 09/09/21^a		2,899		2,777,764
2.00%, 11/13/19		300		297,003
2.15%, 03/13/20		3,150		3,116,641
2.25%, 08/15/19		2,010		1,999,146


Security	Principal (000s)		Value
2.30%, 09/09/26	$	1,345	$	1,230,662
2.45%, 09/24/20^a		177		175,357
2.60%, 11/16/22		1,995		1,952,287
2.90%, 02/16/24^a		1,029		1,009,542
3.50%, 02/15/28		1,500		1,498,500
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)^a		2,245		2,208,070
Ford Motor Credit Co. LLC
1.90%, 08/12/19		3,950		3,891,698
2.02%, 05/03/19		200		198,052
2.34%, 11/02/20		3,000		2,925,810
2.38%, 03/12/19		400		398,140
2.43%, 06/12/20^a		1,810		1,777,583
2.46%, 03/27/20		2,658		2,619,060
2.60%, 11/04/19		3,750		3,725,812
2.68%, 01/09/20		1,250		1,241,037
2.98%, 08/03/22 (Call 07/03/22)		2,200		2,130,700
3.10%, 05/04/23^a		750		722,048
3.16%, 08/04/20		2,500		2,491,975
3.20%, 01/15/21^a		1,950		1,936,662
3.22%, 01/09/22		200		196,948
3.34%, 03/18/21		3,589		3,572,598
3.34%, 03/28/22 (Call 02/28/22)		2,110		2,079,532
3.66%, 09/08/24		2,301		2,231,211
3.81%, 01/09/24 (Call 11/09/23)^a		2,520		2,483,132
3.82%, 11/02/27 (Call 08/02/27)		1,450		1,357,809
4.13%, 08/04/25^a		3,855		3,786,497
4.25%, 09/20/22		5,200		5,293,600
4.38%, 08/06/23		1,025		1,046,064
4.39%, 01/08/26^a		2,900		2,885,993
5.75%, 02/01/21		750		795,937
5.88%, 08/02/21		3,000		3,215,940
8.13%, 01/15/20		4,792		5,221,267
General Motors Co.
4.00%, 04/01/25^a		800		791,744
4.88%, 10/02/23^a		1,112		1,165,309
General Motors Financial Co. Inc.
2.40%, 05/09/19		4,500		4,477,995
2.45%, 11/06/20^a		2,050		2,008,016


Security	Principal (000s)		Value
2.65%, 04/13/20	$	3,000	$	2,970,660
3.15%, 01/15/20 (Call 12/15/19)		5,504		5,512,806
3.15%, 06/30/22 (Call 05/30/22)		3,050		2,984,028
3.20%, 07/13/20 (Call 06/13/20)		1,114		1,114,345
3.20%, 07/06/21 (Call 06/06/21)		950		943,046
3.25%, 01/05/23 (Call 12/05/22)^a		2,000		1,957,860
3.45%, 01/14/22 (Call 12/14/21)^a		1,787		1,778,976
3.45%, 04/10/22 (Call 02/10/22)		5,101		5,067,690
3.50%, 07/10/19		1,241		1,250,680
3.50%, 11/07/24 (Call 09/07/24)		2,265		2,184,887
3.70%, 11/24/20 (Call 10/24/20)		1,960		1,981,168
3.70%, 05/09/23 (Call 03/09/23)		625		621,756
3.95%, 04/13/24 (Call 02/13/24)		2,560		2,551,808
4.00%, 01/15/25 (Call 10/15/24)^a		2,000		1,985,000
4.00%, 10/06/26 (Call 07/06/26)		1,820		1,776,557
4.20%, 03/01/21 (Call 02/01/21)		1,151		1,177,968
4.25%, 05/15/23		450		457,983
4.30%, 07/13/25 (Call 04/13/25)^a		3,775		3,791,119
4.35%, 01/17/27 (Call 10/17/26)		3,103		3,093,970
4.38%, 09/25/21		3,105		3,194,828
5.25%, 03/01/26 (Call 12/01/25)^a		3,155		3,338,432
PACCAR Financial Corp.
1.20%, 08/12/19		200		196,272
1.30%, 05/10/19		395		389,561
1.65%, 08/11/21		465		445,656
1.95%, 02/27/20		250		246,768


Security	Principal (000s)		Value
2.05%, 11/13/20	$	225	$	220,853
2.25%, 02/25/21		410		402,923
2.30%, 08/10/22		1,440		1,393,186
2.50%, 08/14/20		235		233,769
2.80%, 03/01/21		1,500		1,500,780
Toyota Motor Credit Corp.
1.40%, 05/20/19		2,211		2,182,810
1.55%, 10/18/19		5,400		5,319,378
1.95%, 04/17/20		2,990		2,941,921
2.13%, 07/18/19		59		58,696
2.15%, 03/12/20		4,703		4,657,569
2.15%, 09/08/22		2,950		2,833,829
2.20%, 01/10/20		1,500		1,490,130
2.25%, 10/18/23^a		3,727		3,552,353
2.60%, 01/11/22		1,454		1,432,786
2.63%, 01/10/23^a		557		545,203
2.70%, 01/11/23		1,500		1,473,255
2.75%, 05/17/21		2,950		2,940,383
2.80%, 07/13/22		250		247,420
2.90%, 04/17/24^a		2,845		2,802,695
3.05%, 01/11/28		1,500		1,448,625
3.20%, 01/11/27		250		246,138
3.30%, 01/12/22^a		912		922,050
3.40%, 09/15/21		2,347		2,385,397
4.25%, 01/11/21^a		1,000		1,040,690
4.50%, 06/17/20		346		359,992

				179,031,983
AUTO PARTS & EQUIPMENT — 0.12%
Aptiv PLC
3.15%, 11/19/20 (Call 10/19/20)		70		70,097
4.25%, 01/15/26 (Call 10/15/25)		1,655		1,695,399
BorgWarner Inc.
3.38%, 03/15/25 (Call 12/15/24)^a		395		386,417
4.63%, 09/15/20		200		207,878
Delphi Corp.
4.15%, 03/15/24 (Call 12/15/23)		1,487		1,524,368
Harman International Industries Inc.
4.15%, 05/15/25 (Call 02/15/25)		525		530,413


Security	Principal (000s)		Value
Lear Corp.
5.25%, 01/15/25 (Call 01/15/20)	$	1,540	$	1,618,910
Magna International Inc.
3.63%, 06/15/24 (Call 03/15/24)		1,225		1,238,095
4.15%, 10/01/25 (Call 07/01/25)		1,570		1,617,335

				8,888,912
BANKS — 27.10%
Australia & New Zealand Banking Group Ltd.
2.13%, 08/19/20		600		589,068
Australia & New Zealand Banking Group Ltd./New York NY
1.60%, 07/15/19		2,500		2,465,050
2.05%, 09/23/19		1,250		1,237,275
2.25%, 06/13/19		5,570		5,539,588
2.25%, 11/09/20		2,400		2,355,720
2.30%, 06/01/21		3,130		3,053,158
2.55%, 11/23/21		2,500		2,446,800
2.63%, 05/19/22		1,000		976,320
2.63%, 11/09/22		1,500		1,456,875
Banco Bilbao Vizcaya Argentaria SA
3.00%, 10/20/20		2,200		2,187,086
Banco Santander SA
3.13%, 02/23/23		200		194,534
3.50%, 04/11/22		800		797,912
4.25%, 04/11/27		3,600		3,591,072
5.18%, 11/19/25		3,600		3,767,076
Bancolombia SA
5.95%, 06/03/21		1,600		1,718,576
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)		295		288,820
2.50%, 10/21/22 (Call 10/21/21)		2,430		2,346,870
2.60%, 01/15/19^a		787		787,331
2.63%, 10/19/20^a		4,050		4,011,849
2.63%, 04/19/21^a		7,580		7,469,256
2.65%, 04/01/19		7,073		7,076,041
3.25%, 10/21/27 (Call 10/21/26)		5,100		4,841,073


Security	Principal (000s)		Value
3.30%, 01/11/23	$	2,880	$	2,870,726
3.50%, 04/19/26^a		5,215		5,146,214
3.88%, 08/01/25		4,835		4,899,354
4.00%, 04/01/24		4,025		4,129,449
4.00%, 01/22/25		3,450		3,469,320
4.10%, 07/24/23		3,870		3,999,877
4.13%, 01/22/24		3,475		3,592,003
4.18%, 11/25/27 (Call 11/25/26)		2,880		2,885,443
4.20%, 08/26/24		6,738		6,886,034
4.25%, 10/22/26		3,543		3,582,256
4.45%, 03/03/26		2,019		2,070,202
5.49%, 03/15/19		3,300		3,393,687
5.88%, 01/05/21		3,420		3,680,296
6.22%, 09/15/26		300		338,781
(3 mo. LIBOR US + 0.370%)
2.74%, 01/23/22 (Call 01/23/21)^c		2,500		2,474,400
(3 mo. LIBOR US + 0.630%)
2.33%, 10/01/21 (Call 10/01/20)^c		2,150		2,115,084
(3 mo. LIBOR US + 0.660%)
2.37%, 07/21/21 (Call 07/21/20)^c		1,890		1,861,650
(3 mo. LIBOR US + 0.780%)
3.55%, 03/05/24^c		1,500		1,500,000
(3 mo. LIBOR US + 0.790%)
3.00%, 12/20/23 (Call 12/20/22)^b,c		17,606		17,226,591
(3 mo. LIBOR US + 0.810%)
3.37%, 01/23/26 (Call 01/23/25)^c		1,500		1,468,695
(3 mo. LIBOR US + 0.930%)
2.82%, 07/21/23 (Call 07/21/22)^c		2,800		2,731,204
(3 mo. LIBOR US + 1.021%)
2.88%, 04/24/23 (Call 04/24/22)^c		2,500		2,452,375
(3 mo. LIBOR US + 1.040%)
3.42%, 12/20/28 (Call 12/20/27)^b,c		6,554		6,270,343
(3 mo. LIBOR US + 1.090%)
3.09%, 10/01/25 (Call 10/01/24)^c		2,125		2,056,405


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.160%)
3.12%, 01/20/23 (Call 01/20/22)^c	$	4,080	$	4,047,156
(3 mo. LIBOR US + 1.512%)
3.71%, 04/24/28 (Call 04/24/27)^c		2,200		2,162,182
(3 mo. LIBOR US + 1.575%)
3.82%, 01/20/28 (Call 01/20/27)^c		4,250		4,216,765
Series L
2.25%, 04/21/20		6,142		6,065,286
3.95%, 04/21/25		4,635		4,635,649
Bank of Montreal
1.50%, 07/18/19		3,910		3,844,351
1.75%, 09/11/19		3,725		3,676,500
1.90%, 08/27/21^a		4,975		4,784,855
2.10%, 06/15/20^a		1,630		1,603,480
2.35%, 09/11/22		1,675		1,616,844
2.55%, 11/06/22 (Call 10/06/22)		635		616,680
Bank of New York Mellon Corp. (The)
2.05%, 05/03/21 (Call 04/03/21)		1,305		1,266,750
2.20%, 03/04/19 (Call 02/02/19)		570		567,857
2.20%, 05/15/19 (Call 04/15/19)		188		187,274
2.20%, 08/16/23 (Call 06/16/23)		3,000		2,835,090
2.30%, 09/11/19 (Call 08/11/19)		1,245		1,237,630
2.45%, 11/27/20 (Call 10/27/20)		153		151,028
2.45%, 08/17/26 (Call 05/17/26)		2,250		2,052,630
2.50%, 04/15/21 (Call 03/15/21)		639		629,402
2.60%, 08/17/20 (Call 07/17/20)		1,784		1,770,995
2.60%, 02/07/22 (Call 01/07/22)		1,715		1,678,299
2.80%, 05/04/26 (Call 02/04/26)		2,000		1,884,260


Security	Principal (000s)		Value
2.95%, 01/29/23 (Call 12/29/22)	$	1,650	$	1,630,877
3.00%, 02/24/25 (Call 01/24/25)		2,655		2,576,545
3.25%, 09/11/24 (Call 08/11/24)		205		203,046
3.25%, 05/16/27 (Call 02/16/27)		2,560		2,481,638
3.40%, 05/15/24 (Call 04/15/24)		4,963		4,964,092
3.40%, 01/29/28 (Call 10/29/27)		1,500		1,468,155
3.55%, 09/23/21 (Call 08/23/21)		775		788,012
3.65%, 02/04/24 (Call 01/05/24)^a		1,225		1,245,580
3.95%, 11/18/25 (Call 10/18/25)		720		738,806
4.15%, 02/01/21		650		670,085
4.60%, 01/15/20		1,556		1,606,928
5.45%, 05/15/19		1,350		1,394,402
(3 mo. LIBOR US + 0.634%)
2.66%, 05/16/23 (Call 05/16/22)^a,c		3,525		3,435,148
Series G
2.15%, 02/24/20 (Call 01/24/20)^a		1,836		1,814,023
Bank of Nova Scotia (The)
1.65%, 06/14/19		2,773		2,739,890
2.05%, 06/05/19		1,575		1,564,133
2.35%, 10/21/20		2,040		2,013,215
2.45%, 03/22/21		2,150		2,116,417
2.45%, 09/19/22^a		3,800		3,677,602
2.50%, 01/08/21		3,385		3,340,826
2.70%, 03/07/22^a		4,575		4,486,291
2.80%, 07/21/21		670		665,149
4.38%, 01/13/21		1,255		1,305,614
4.50%, 12/16/25^a		2,816		2,881,528
Bank One Corp.
7.63%, 10/15/26		700		872,760
8.00%, 04/29/27		2,140		2,751,740
Barclays Bank PLC
2.65%, 01/11/21 (Call 12/11/20)		2,235		2,206,571


Security	Principal (000s)		Value
5.14%, 10/14/20	$	2,176	$	2,256,534
6.75%, 05/22/19		1,244		1,302,679
Barclays PLC
2.75%, 11/08/19		4,135		4,111,058
2.88%, 06/08/20^a		4,900		4,857,762
3.20%, 08/10/21		1,035		1,025,002
3.25%, 01/12/21		3,380		3,361,106
3.65%, 03/16/25		4,390		4,228,185
3.68%, 01/10/23 (Call 01/10/22)		1,830		1,816,916
4.38%, 09/11/24		200		196,154
4.38%, 01/12/26		6,225		6,241,558
5.20%, 05/12/26		6,225		6,314,640
BB&T Corp.
2.05%, 05/10/21 (Call 04/09/21)		383		371,912
2.45%, 01/15/20 (Call 12/15/19)		1,832		1,821,100
2.63%, 06/29/20 (Call 05/29/20)		4,505		4,475,808
2.75%, 04/01/22 (Call 03/01/22)^a		1,000		985,620
2.85%, 10/26/24 (Call 09/26/24)		2,000		1,935,400
3.95%, 03/22/22 (Call 02/22/22)		1,225		1,257,095
5.25%, 11/01/19		1,100		1,142,306
BNP Paribas SA
2.38%, 05/21/20		6,870		6,787,491
2.45%, 03/17/19		755		753,679
4.25%, 10/15/24^a		1,750		1,795,710
5.00%, 01/15/21^a		2,990		3,143,955
BNP Paribas/BNP Paribas U.S. Medium-Term Note Program LLC
3.25%, 03/03/23		1,113		1,106,789
BPCE SA
2.25%, 01/27/20		2,500		2,466,075
2.50%, 07/15/19		2,030		2,021,230
2.75%, 12/02/21^a		1,900		1,861,867
3.38%, 12/02/26		1,500		1,459,800
4.00%, 04/15/24		2,725		2,783,424


Security	Principal (000s)		Value
Branch Banking & Trust Co.
1.45%, 05/10/19 (Call 04/10/19)	$	3,130	$	3,088,434
2.25%, 06/01/20 (Call 05/01/20)^a		1,500		1,480,395
2.63%, 01/15/22 (Call 12/15/21)		2,500		2,455,975
3.63%, 09/16/25 (Call 08/16/25)		2,400		2,399,712
3.80%, 10/30/26 (Call 09/30/26)		1,250		1,264,150
Canadian Imperial Bank of Commerce
1.60%, 09/06/19		2,468		2,427,229
2.10%, 10/05/20		1,150		1,128,277
2.55%, 06/16/22^a		2,380		2,317,668
2.70%, 02/02/21		3,000		2,971,890
Capital One Financial Corp.
2.40%, 10/30/20 (Call 09/30/20)^a		290		284,560
2.45%, 04/24/19 (Call 03/24/19)		2,233		2,224,135
3.05%, 03/09/22 (Call 02/09/22)		1,750		1,722,105
3.20%, 01/30/23 (Call 12/30/22)		1,500		1,471,905
3.20%, 02/05/25 (Call 01/05/25)		2,520		2,419,049
3.30%, 10/30/24 (Call 09/30/24)		1,645		1,596,505
3.50%, 06/15/23^a		2,508		2,506,194
3.75%, 04/24/24 (Call 03/24/24)		2,186		2,190,416
3.75%, 07/28/26 (Call 06/28/26)^a		3,940		3,760,021
3.75%, 03/09/27 (Call 02/09/27)^a		2,380		2,312,241
3.80%, 01/31/28 (Call 12/31/27)		2,360		2,291,135
4.20%, 10/29/25 (Call 09/29/25)^a		5,015		4,976,234
4.75%, 07/15/21		2,830		2,963,123


Security	Principal (000s)		Value
Capital One N.A.
2.25%, 09/13/21 (Call 08/13/21)	$	4,675	$	4,498,893
2.35%, 01/31/20 (Call 12/31/19)		1,900		1,877,295
2.40%, 09/05/19 (Call 08/05/19)		2,750		2,729,677
2.65%, 08/08/22 (Call 07/08/22)		1,500		1,446,765
2.95%, 07/23/21 (Call 06/23/21)		3,100		3,069,310
Citibank N.A.
1.85%, 09/18/19 (Call 08/18/19)		2,000		1,973,080
2.00%, 03/20/19 (Call 02/20/19)^a		2,847		2,828,409
2.10%, 06/12/20 (Call 05/12/20)		6,235		6,122,645
2.13%, 10/20/20 (Call 09/20/20)		475		464,484
Citigroup Inc.
2.05%, 06/07/19		6,340		6,287,885
2.35%, 08/02/21		2,050		1,995,716
2.40%, 02/18/20		7,982		7,904,255
2.50%, 07/29/19		2,750		2,740,677
2.55%, 04/08/19		2,120		2,117,032
2.65%, 10/26/20		4,211		4,167,121
2.70%, 03/30/21^a		6,550		6,472,448
2.75%, 04/25/22 (Call 03/25/22)		4,435		4,340,357
2.90%, 12/08/21 (Call 11/08/21)^a		3,990		3,938,888
3.20%, 10/21/26 (Call 07/21/26)		9,875		9,419,664
3.30%, 04/27/25^a		2,085		2,034,501
3.38%, 03/01/23^a		1,540		1,537,875
3.40%, 05/01/26		6,535		6,348,949
3.50%, 05/15/23^a		1,236		1,231,476
3.70%, 01/12/26		3,250		3,229,297
3.75%, 06/16/24		32		32,267
3.88%, 10/25/23		2,475		2,522,272
3.88%, 03/26/25		2,215		2,206,982
4.00%, 08/05/24		950		960,393
4.05%, 07/30/22		2,370		2,425,956


Security	Principal (000s)		Value
4.30%, 11/20/26^a	$	2,440	$	2,477,893
4.40%, 06/10/25		3,770		3,870,433
4.45%, 09/29/27^a		4,310		4,403,527
4.50%, 01/14/22		2,560		2,673,510
4.60%, 03/09/26		4,200		4,348,386
5.50%, 09/13/25		3,150		3,444,714
8.50%, 05/22/19		900		961,884
(3 mo. LIBOR US + 0.722%)
3.14%, 01/24/23 (Call 01/24/22)^c		2,390		2,368,896
(3 mo. LIBOR US + 0.950%)
2.88%, 07/24/23 (Call 07/24/22)^c		3,000		2,930,880
(3 mo. LIBOR US + 1.563%)
3.89%, 01/10/28 (Call 01/10/27)^a,c		6,380		6,359,137
Citizens Bank N.A./Providence RI
2.20%, 05/26/20 (Call 04/26/20)		1,510		1,485,070
2.25%, 03/02/20 (Call 02/03/20)		1,035		1,021,110
2.25%, 10/30/20 (Call 09/30/20)		3,500		3,427,130
2.45%, 12/04/19 (Call 11/04/19)		1,300		1,289,808
2.50%, 03/14/19 (Call 02/14/19)		1,520		1,517,431
2.55%, 05/13/21 (Call 04/13/21)		2,045		2,002,628
2.65%, 05/26/22 (Call 04/26/22)		775		753,610
Citizens Financial Group Inc.
2.38%, 07/28/21 (Call 06/28/21)		1,445		1,408,340
4.30%, 12/03/25 (Call 11/03/25)		1,000		1,016,860
Comerica Bank
2.50%, 06/02/20		500		494,650
4.00%, 07/27/25^a		1,000		1,003,670
Commonwealth Bank of Australia/New York NY
2.05%, 03/15/19		350		347,967
2.25%, 03/13/19		2,500		2,491,475


Security	Principal (000s)		Value
2.30%, 09/06/19	$	3,500	$	3,479,805
2.40%, 11/02/20		3,315		3,267,529
2.55%, 03/15/21		2,395		2,362,236
Compass Bank
2.75%, 09/29/19 (Call 08/29/19)		250		248,438
2.88%, 06/29/22 (Call 05/29/22)		2,000		1,950,600
3.88%, 04/10/25 (Call 03/10/25)		1,250		1,218,288
Cooperatieve Rabobank UA
3.75%, 07/21/26		2,750		2,669,920
3.88%, 02/08/22		3,636		3,712,865
3.95%, 11/09/22		7,650		7,767,657
4.38%, 08/04/25^a		2,295		2,333,074
4.50%, 01/11/21		1,460		1,518,444
4.63%, 12/01/23^a		2,350		2,454,199
Cooperatieve Rabobank UA/NY
1.38%, 08/09/19		1,500		1,472,190
2.25%, 01/14/20		1,250		1,235,938
2.50%, 01/19/21		4,080		4,017,454
2.75%, 01/10/22		1,750		1,722,508
2.75%, 01/10/23		2,000		1,950,440
3.38%, 05/21/25		2,750		2,712,270
Credit Suisse AG/New York NY
2.30%, 05/28/19		5,665		5,634,296
3.00%, 10/29/21		4,905		4,875,472
3.63%, 09/09/24		7,266		7,248,852
4.38%, 08/05/20		2,620		2,704,364
5.30%, 08/13/19		1,508		1,560,056
5.40%, 01/14/20		1,067		1,110,875
Credit Suisse Group Funding Guernsey Ltd.
2.75%, 03/26/20		4,255		4,223,215
3.13%, 12/10/20		2,625		2,617,151
3.45%, 04/16/21^a		4,235		4,246,731
3.75%, 03/26/25		6,025		5,947,036
3.80%, 09/15/22^a		1,545		1,559,817
3.80%, 06/09/23		1,750		1,757,298
4.55%, 04/17/26		3,000		3,110,100
Deutsche Bank AG
2.85%, 05/10/19		2,151		2,148,118
2.95%, 08/20/20		550		544,825
3.13%, 01/13/21		2,527		2,506,127


Security	Principal (000s)		Value
3.38%, 05/12/21^a	$	2,680	$	2,664,161
4.10%, 01/13/26^a		1,945		1,905,400
4.25%, 10/14/21		4,980		5,080,496
Deutsche Bank AG/London
3.70%, 05/30/24		4,355		4,249,957
Deutsche Bank AG/New York NY
3.15%, 01/22/21		1,000		990,600
3.30%, 11/16/22^a		2,650		2,586,320
3.95%, 02/27/23		2,000		1,997,780
Discover Bank
3.10%, 06/04/20 (Call 05/04/20)		1,210		1,208,754
3.20%, 08/09/21 (Call 07/09/21)		2,800		2,777,880
3.35%, 02/06/23 (Call 01/06/23)		2,500		2,482,300
3.45%, 07/27/26 (Call 04/27/26)		2,270		2,151,279
4.20%, 08/08/23^a		4,500		4,627,935
7.00%, 04/15/20		1,250		1,345,425
Fifth Third Bancorp.
2.30%, 03/01/19 (Call 01/30/19)		1,050		1,046,976
2.60%, 06/15/22 (Call 05/15/22)^a		3,100		3,015,835
2.88%, 07/27/20 (Call 06/27/20)^a		1,625		1,621,994
3.50%, 03/15/22 (Call 02/15/22)		430		433,909
4.30%, 01/16/24 (Call 12/16/23)		1,635		1,689,756
Fifth Third Bank/Cincinnati OH
1.63%, 09/27/19 (Call 08/27/19)^a		3,665		3,602,255
2.25%, 06/14/21 (Call 05/14/21)^a		2,250		2,194,605
2.38%, 04/25/19 (Call 03/25/19)		2,350		2,341,188
2.88%, 10/01/21 (Call 09/01/21)		2,000		1,981,500
3.85%, 03/15/26 (Call 02/15/26)^a		1,540		1,529,882


Security	Principal (000s)		Value
First Republic Bank/CA
2.38%, 06/17/19 (Call 05/17/19)	$	2,320	$	2,308,539
2.50%, 06/06/22 (Call 05/06/22)		1,000		969,600
First Tennessee Bank N.A.
2.95%, 12/01/19 (Call 11/01/19)		1,000		998,860
Goldman Sachs Group Inc. (The)
1.95%, 07/23/19		1,740		1,722,739
2.00%, 04/25/19 (Call 03/25/19)		1,275		1,266,521
2.30%, 12/13/19 (Call 11/13/19)^a		7,513		7,445,233
2.35%, 11/15/21 (Call 11/15/20)		2,990		2,890,403
2.55%, 10/23/19		7,600		7,563,748
2.60%, 04/23/20 (Call 03/23/20)		2,711		2,691,562
2.60%, 12/27/20 (Call 12/27/19)^a		2,945		2,912,045
2.63%, 04/25/21 (Call 03/25/21)		3,744		3,681,213
2.75%, 09/15/20 (Call 08/15/20)		2,742		2,723,519
2.88%, 02/25/21 (Call 01/25/21)		1,525		1,513,227
3.00%, 04/26/22 (Call 04/26/21)		8,025		7,907,915
3.20%, 02/23/23 (Call 01/23/23)		5,000		4,921,600
3.50%, 01/23/25 (Call 10/23/24)		6,650		6,532,561
3.50%, 11/16/26 (Call 11/16/25)		5,930		5,714,622
3.63%, 01/22/23^a		2,945		2,963,524
3.75%, 05/22/25 (Call 02/22/25)^a		4,610		4,589,900
3.75%, 02/25/26 (Call 11/25/25)		4,130		4,083,579
3.85%, 07/08/24 (Call 04/08/24)^a		6,649		6,694,479
3.85%, 01/26/27 (Call 01/26/26)		7,875		7,767,979


Security	Principal (000s)		Value
4.00%, 03/03/24	$	5,225	$	5,323,125
4.25%, 10/21/25^a		7,290		7,351,163
5.25%, 07/27/21		1,880		2,002,520
5.38%, 03/15/20		3,046		3,190,228
5.75%, 01/24/22		3,815		4,142,480
6.00%, 06/15/20		2,747		2,927,835
(3 mo. LIBOR US + 0.821%)
2.88%, 10/31/22 (Call 10/31/21)^c		5,000		4,905,300
(3 mo. LIBOR US + 0.990%)
2.91%, 07/24/23 (Call 07/24/22)^c		5,600		5,449,640
(3 mo. LIBOR US + 1.053%)
2.91%, 06/05/23 (Call 06/05/22)^c		4,000		3,897,000
(3 mo. LIBOR US + 1.201%)
3.27%, 09/29/25 (Call 09/29/24)^c		4,625		4,461,922
HSBC Bank PLC
7.65%, 05/01/25		800		957,984
HSBC Bank USA N.A.
4.88%, 08/24/20		4,350		4,529,481
HSBC Holdings PLC
2.65%, 01/05/22^a		5,125		4,991,494
2.95%, 05/25/21		3,650		3,618,245
3.40%, 03/08/21		4,940		4,966,330
3.60%, 05/25/23		750		753,698
3.90%, 05/25/26^a		5,175		5,185,609
4.00%, 03/30/22		526		538,840
4.25%, 03/14/24		2,555		2,584,382
4.25%, 08/18/25		2,225		2,214,810
4.30%, 03/08/26^a		4,095		4,218,055
4.38%, 11/23/26^a		3,335		3,350,541
4.88%, 01/14/22		1,950		2,052,200
5.10%, 04/05/21		6,778		7,149,095
(3 mo. LIBOR US + 0.923%)
3.03%, 11/22/23 (Call 11/22/22)^c		1,180		1,156,565
(3 mo. LIBOR US + 1.055%)
3.26%, 03/13/23 (Call 03/13/22)^a,c		5,140		5,102,529
(3 mo. LIBOR US + 1.546%)
4.04%, 03/13/28 (Call 03/13/27)^a,c		1,190		1,192,725


Security	Principal (000s)		Value
HSBC USA Inc.
2.25%, 06/23/19	$	2,000	$	1,987,640
2.35%, 03/05/20		2,500		2,470,975
2.38%, 11/13/19		1,730		1,716,887
2.75%, 08/07/20^a		2,750		2,734,572
3.50%, 06/23/24		2,500		2,494,100
5.00%, 09/27/20		3,150		3,288,474
Huntington Bancshares Inc./OH
2.30%, 01/14/22 (Call 12/14/21)		620		596,961
3.15%, 03/14/21 (Call 02/14/21)^a		275		275,314
7.00%, 12/15/20^a		235		258,115
Huntington National Bank (The)
2.20%, 04/01/19 (Call 03/01/19)		4,310		4,284,873
2.38%, 03/10/20 (Call 02/10/20)		965		956,151
2.40%, 04/01/20 (Call 03/01/20)		2,500		2,472,575
2.50%, 08/07/22 (Call 07/07/22)		2,125		2,055,024
2.88%, 08/20/20 (Call 07/20/20)		250		249,265
Industrial & Commercial Bank of China Ltd./New York
2.45%, 10/20/21^a		2,250		2,180,498
3.23%, 11/13/19		3,500		3,505,355
3.54%, 11/08/27		2,000		1,919,000
ING Groep NV
3.15%, 03/29/22		4,140		4,096,033
3.95%, 03/29/27		3,545		3,548,332
Intesa Sanpaolo SpA
5.25%, 01/12/24^a		2,925		3,119,337
JPMorgan Chase & Co.
1.85%, 03/22/19 (Call 02/22/19)		1,500		1,490,040
2.20%, 10/22/19		1,460		1,447,780
2.25%, 01/23/20 (Call 12/23/19)^a		9,285		9,193,357
2.30%, 08/15/21 (Call 08/15/20)^a		3,250		3,165,337
2.40%, 06/07/21 (Call 05/07/21)		1,608		1,576,499


Security	Principal (000s)		Value
2.55%, 10/29/20 (Call 09/29/20)	$	7,345	$	7,275,149
2.55%, 03/01/21 (Call 02/01/21)		6,247		6,166,289
2.70%, 05/18/23 (Call 03/18/23)^a		2,100		2,037,756
2.75%, 06/23/20 (Call 05/23/20)		4,261		4,248,387
2.95%, 10/01/26 (Call 07/01/26)		5,300		4,988,572
2.97%, 01/15/23 (Call 01/15/22)		2,990		2,942,728
3.13%, 01/23/25 (Call 10/23/24)		6,850		6,651,624
3.20%, 01/25/23		1,474		1,468,296
3.20%, 06/15/26 (Call 03/15/26)		4,775		4,588,536
3.25%, 09/23/22		3,749		3,746,901
3.30%, 04/01/26 (Call 01/01/26)^a		1,360		1,318,738
3.38%, 05/01/23		4,225		4,197,115
3.63%, 05/13/24		1,430		1,437,593
3.88%, 02/01/24		6,150		6,281,302
3.88%, 09/10/24^a		4,400		4,435,816
3.90%, 07/15/25 (Call 04/15/25)^a		5,393		5,474,165
4.13%, 12/15/26^a		3,105		3,142,726
4.25%, 10/15/20		3,984		4,118,858
4.25%, 10/01/27^a		2,500		2,546,825
4.35%, 08/15/21		4,665		4,855,705
4.40%, 07/22/20		4,295		4,445,024
4.50%, 01/24/22^a		7,691		8,056,399
4.63%, 05/10/21		2,730		2,862,733
4.95%, 03/25/20		3,850		4,011,276
6.30%, 04/23/19		3,649		3,797,295
(3 mo. LIBOR US + 0.935%)
2.78%, 04/25/23 (Call 04/25/22)^c		3,450		3,376,584
(3 mo. LIBOR US + 1.155%)
3.22%, 03/01/25 (Call 03/01/24)^c		11,735		11,513,795
(3 mo. LIBOR US + 1.380%)
3.54%, 05/01/28 (Call 05/01/27)^a,c		2,150		2,096,895


Security	Principal (000s)		Value
JPMorgan Chase Bank N.A.
1.65%, 09/23/19 (Call 08/23/19)	$	1,180	$	1,162,748
KeyBank N.A./Cleveland OH
1.60%, 08/22/19		1,325		1,303,469
2.25%, 03/16/20		1,845		1,823,524
2.30%, 09/14/22		3,250		3,123,705
2.40%, 06/09/22		2,000		1,935,640
2.50%, 12/15/19		1,235		1,228,973
2.50%, 11/22/21^a		3,230		3,160,232
3.18%, 10/15/27		2,100		2,079,630
3.30%, 06/01/25		1,250		1,235,538
3.38%, 03/07/23		1,500		1,499,730
3.40%, 05/20/26		1,000		965,960
KeyCorp
2.90%, 09/15/20^a		576		574,687
5.10%, 03/24/21		334		353,602
KfW
1.00%, 07/15/19		11,030		10,835,210
1.25%, 09/30/19		6,650		6,536,551
1.50%, 09/09/19		1,450		1,431,411
1.50%, 04/20/20		10,695		10,473,400
1.50%, 06/15/21		4,380		4,221,269
1.63%, 05/29/20		12,100		11,866,712
1.63%, 03/15/21		1,050		1,019,267
1.75%, 10/15/19		3,100		3,069,775
1.75%, 03/31/20		6,030		5,942,987
1.75%, 09/15/21		425		411,787
1.88%, 04/01/19		5,460		5,437,341
1.88%, 06/30/20		8,360		8,238,446
1.88%, 11/30/20		1,125		1,104,368
1.88%, 12/15/20^a		250		245,188
2.00%, 11/30/21^a		2,500		2,438,000
2.00%, 09/29/22		2,775		2,679,401
2.00%, 05/02/25		6,655		6,239,262
2.13%, 03/07/22		11,160		10,897,852
2.13%, 06/15/22		11,100		10,811,067
2.13%, 01/17/23		8,430		8,159,144
2.38%, 08/25/21^a		3,550		3,514,748
2.38%, 12/29/22		15,000		14,688,600
2.50%, 11/20/24		12,130		11,785,872
2.63%, 01/25/22^a		4,355		4,338,103
2.75%, 09/08/20		2,050		2,060,414
2.75%, 10/01/20		7,070		7,104,784


Security	Principal (000s)		Value
2.88%, 04/03/28	$	2,960	$	2,918,678
4.00%, 01/27/20		6,018		6,192,943
4.88%, 06/17/19		3,190		3,294,217
Korea Development Bank (The)
1.38%, 09/12/19		2,000		1,953,920
2.25%, 05/18/20		1,000		982,290
2.50%, 03/11/20		1,700		1,681,980
2.50%, 01/13/21		2,500		2,455,675
2.75%, 03/19/23		1,000		967,030
3.00%, 03/17/19		250		250,478
3.00%, 09/14/22		2,070		2,035,245
3.75%, 01/22/24		2,000		2,023,520
4.63%, 11/16/21		3,250		3,406,812
Landwirtschaftliche Rentenbank
1.38%, 10/23/19		530		521,594
1.75%, 04/15/19		3,015		2,997,483
1.75%, 07/27/26		3,650		3,303,542
2.00%, 01/13/25		5,120		4,811,571
2.25%, 10/01/21		800		788,296
2.38%, 06/10/25		100		96,036
Series 36
2.00%, 12/06/21		125		121,889
Series 37
2.50%, 11/15/27		1,145		1,091,803
Lloyds Bank PLC
6.38%, 01/21/21		2,717		2,966,312
Lloyds Banking Group PLC
3.00%, 01/11/22		5,850		5,763,361
3.10%, 07/06/21		1,895		1,882,455
3.75%, 01/11/27		3,740		3,644,181
4.50%, 11/04/24		2,110		2,145,110
4.58%, 12/10/25		3,439		3,477,482
4.65%, 03/24/26^a		2,555		2,593,069
(3 mo. LIBOR US + 0.810%)
2.91%, 11/07/23 (Call 11/07/22)^c		1,710		1,654,596
Manufacturers & Traders Trust Co.
2.05%, 08/17/20 (Call 07/17/20)		505		494,865
2.25%, 07/25/19 (Call 06/25/19)		2,160		2,146,889
2.50%, 05/18/22 (Call 04/18/22)		1,500		1,463,760


Security	Principal (000s)		Value
2.63%, 01/25/21 (Call 12/25/20)	$	2,750	$	2,724,287
2.90%, 02/06/25 (Call 01/06/25)^a		1,500		1,448,880
3.40%, 08/17/27		2,150		2,094,874
Mitsubishi UFJ Financial Group Inc.
2.53%, 09/13/23^a		1,830		1,744,210
2.67%, 07/25/22^a		2,010		1,954,082
2.76%, 09/13/26		1,500		1,386,585
2.95%, 03/01/21^a		7,120		7,096,077
3.00%, 02/22/22		1,982		1,959,802
3.29%, 07/25/27^a		1,155		1,106,282
3.46%, 03/02/23		2,000		1,997,240
3.78%, 03/02/25		2,000		2,002,320
3.85%, 03/01/26^a		6,850		6,873,427
3.96%, 03/02/28		2,000		2,008,940
Mizuho Financial Group Inc.
2.27%, 09/13/21		3,250		3,141,645
2.60%, 09/11/22		2,900		2,801,864
2.84%, 09/13/26^a		1,730		1,607,585
2.95%, 02/28/22^a		2,195		2,157,224
3.17%, 09/11/27		1,450		1,372,396
3.55%, 03/05/23		1,500		1,500,000
3.66%, 02/28/27		1,815		1,790,425
Morgan Stanley
2.38%, 07/23/19		5,088		5,063,425
2.50%, 04/21/21		9,639		9,470,607
2.63%, 11/17/21		4,254		4,163,645
2.65%, 01/27/20^a		2,393		2,383,476
2.75%, 05/19/22		3,715		3,632,676
2.80%, 06/16/20		4,005		3,994,987
3.13%, 01/23/23		3,500		3,448,270
3.13%, 07/27/26		5,775		5,482,785
3.63%, 01/20/27		5,810		5,693,451
3.70%, 10/23/24		4,080		4,085,753
3.75%, 02/25/23		6,050		6,140,205
3.88%, 01/27/26		6,886		6,901,976
3.95%, 04/23/27		4,800		4,721,712
4.00%, 07/23/25		1,740		1,766,152
4.10%, 05/22/23^a		2,675		2,723,230
4.35%, 09/08/26		4,639		4,719,069
4.88%, 11/01/22		2,130		2,248,258
5.00%, 11/24/25		4,510		4,812,982


Security	Principal (000s)		Value
5.50%, 01/26/20	$	5,450	$	5,704,460
5.50%, 07/24/20		5,100		5,385,753
5.50%, 07/28/21		6,203		6,656,874
5.63%, 09/23/19		3,783		3,942,264
5.75%, 01/25/21		2,230		2,390,738
7.30%, 05/13/19		3,030		3,188,469
Series F
3.88%, 04/29/24		6,370		6,446,822
MUFG Americas Holdings Corp.
2.25%, 02/10/20 (Call 01/10/20)		200		197,260
3.00%, 02/10/25 (Call 01/10/25)		704		680,353
MUFG Union Bank N.A.
2.25%, 05/06/19 (Call 04/06/19)		4,250		4,221,992
National Australia Bank Ltd./New York
1.88%, 07/12/21		2,350		2,258,397
2.25%, 01/10/20		1,700		1,682,966
2.50%, 01/12/21		2,500		2,464,975
2.50%, 05/22/22		4,825		4,680,829
2.50%, 07/12/26		3,800		3,474,454
2.63%, 07/23/20		1,250		1,241,663
2.63%, 01/14/21		2,250		2,224,283
2.80%, 01/10/22		350		345,258
2.88%, 04/12/23		2,500		2,443,400
3.00%, 01/20/23		2,600		2,560,922
3.38%, 01/14/26		1,860		1,822,205
National Bank of Canada
2.15%, 06/12/20 (Call 05/12/20)		2,650		2,610,806
2.20%, 11/02/20 (Call 10/02/20)		3,020		2,965,580
Northern Trust Corp.
2.38%, 08/02/22^a		25		24,353
3.38%, 08/23/21		695		706,822
3.45%, 11/04/20		807		822,777
Oesterreichische Kontrollbank AG
1.13%, 04/26/19		250		246,575
1.38%, 02/10/20		3,160		3,095,504
1.50%, 10/21/20		2,000		1,944,280
1.63%, 03/12/19		1,180		1,172,094


Security	Principal (000s)		Value
1.75%, 01/24/20	$	3,855	$	3,805,270
2.38%, 10/01/21		1,400		1,383,914
PNC Bank N.A.
1.45%, 07/29/19 (Call 06/29/19)^a,d		1,750		1,717,083
1.95%, 03/04/19 (Call 02/02/19)^d		2,410		2,395,540
2.25%, 07/02/19 (Call 06/02/19)^d		4,140		4,112,759
2.30%, 06/01/20 (Call 05/02/20)^d		3,440		3,400,578
2.40%, 10/18/19 (Call 09/18/19)^d		1,500		1,490,835
2.45%, 11/05/20 (Call 10/06/20)^a,d		1,250		1,234,125
2.45%, 07/28/22 (Call 06/28/22)^d		250		242,063
2.70%, 11/01/22 (Call 10/01/22)^d		1,500		1,457,865
2.95%, 01/30/23 (Call 12/30/22)^d		3,000		2,938,380
2.95%, 02/23/25 (Call 01/24/25)^d		300		290,109
3.10%, 10/25/27 (Call 09/25/27)^d		4,615		4,409,863
3.30%, 10/30/24 (Call 09/30/24)^a,d		272		270,088
3.80%, 07/25/23 (Call 06/25/23)^d		1,500		1,525,350
4.25%, 07/01/18^d		220		221,148
PNC Financial Services Group Inc. (The)
2.85%, 11/09/22^d,e		5,595		5,501,284
3.15%, 05/19/27 (Call 04/19/27)^d		2,300		2,211,611
3.30%, 03/08/22 (Call 02/06/22)^d		1,937		1,952,399
3.90%, 04/29/24 (Call 03/29/24)^d		1,000		1,020,070
4.38%, 08/11/20^a,d		3,102		3,206,413
5.13%, 02/08/20^d		566		589,681
6.88%, 05/15/19^d		170		178,060
RBC USA Holdco Corp.
5.25%, 09/15/20		1,650		1,743,836


Security	Principal (000s)		Value
Regions Bank/Birmingham AL
2.75%, 04/01/21 (Call 03/01/21)	$	2,500	$	2,480,225
Regions Financial Corp.
2.75%, 08/14/22 (Call 07/14/22)		1,900		1,853,260
3.20%, 02/08/21 (Call 01/08/21)		3,849		3,861,163
Royal Bank of Canada
1.50%, 07/29/19		1,650		1,624,508
1.63%, 04/15/19		2,925		2,894,258
2.13%, 03/02/20^a		2,025		1,999,060
2.15%, 03/15/19		370		368,498
2.15%, 03/06/20		772		762,180
2.15%, 10/26/20^a		125		122,675
2.35%, 10/30/20		4,900		4,841,102
2.50%, 01/19/21^a		1,900		1,879,024
2.75%, 02/01/22		5,950		5,880,980
4.65%, 01/27/26		1,550		1,607,753
Royal Bank of Scotland Group PLC
3.88%, 09/12/23		8,050		8,002,263
4.80%, 04/05/26^a		3,515		3,644,106
6.40%, 10/21/19		200		210,442
Santander Holdings USA Inc.
2.65%, 04/17/20 (Call 03/17/20)		2,825		2,802,202
2.70%, 05/24/19 (Call 04/24/19)		1,953		1,947,922
3.40%, 01/18/23 (Call 12/18/22)^b		355		346,878
3.70%, 03/28/22 (Call 02/28/22)^b		2,225		2,223,443
4.40%, 07/13/27 (Call 06/13/27)^b		2,360		2,351,575
4.50%, 07/17/25 (Call 04/17/25)		2,163		2,194,428
Santander UK Group Holdings PLC
2.88%, 10/16/20		3,423		3,397,567
2.88%, 08/05/21		2,900		2,846,292
3.13%, 01/08/21		3,028		3,013,950
3.57%, 01/10/23 (Call 01/10/22)		2,375		2,356,594
(3 mo. LIBOR US + 0.297%)
3.37%, 01/05/24 (Call 01/05/23)^c		5,000		4,911,300


Security	Principal (000s)		Value
Santander UK PLC
2.38%, 03/16/20	$	471	$	465,155
2.50%, 03/14/19		750		749,093
2.50%, 01/05/21		1,670		1,647,221
4.00%, 03/13/24		251		255,744
Skandinaviska Enskilda Banken AB
1.50%, 09/13/19^a		3,250		3,191,532
1.88%, 09/13/21		1,500		1,436,235
2.30%, 03/11/20^a		3,800		3,757,554
2.63%, 03/15/21		2,600		2,562,456
2.80%, 03/11/22		2,000		1,967,120
State Street Corp.
1.95%, 05/19/21		1,169		1,133,369
2.55%, 08/18/20		2,865		2,847,065
2.65%, 05/19/26^a		2,345		2,188,776
3.10%, 05/15/23		1,833		1,806,696
3.55%, 08/18/25		1,855		1,861,066
3.70%, 11/20/23		440		451,374
4.38%, 03/07/21		362		377,497
Sumitomo Mitsui Banking Corp.
2.09%, 10/18/19		2,000		1,975,800
2.45%, 01/16/20		4,740		4,700,753
2.45%, 10/20/20		1,000		988,060
2.51%, 01/17/20		1,500		1,490,430
2.65%, 07/23/20		2,850		2,828,169
3.20%, 07/18/22		1,750		1,742,633
3.40%, 07/11/24		3,250		3,236,187
3.95%, 01/10/24		4,550		4,674,033
Sumitomo Mitsui Financial Group Inc.
2.06%, 07/14/21		4,500		4,340,700
2.44%, 10/19/21		1,000		974,480
2.63%, 07/14/26		4,000		3,665,800
2.78%, 10/18/22		2,000		1,946,980
2.85%, 01/11/22		3,710		3,649,416
2.93%, 03/09/21		6,343		6,312,490
3.01%, 10/19/26		3,000		2,826,300
3.10%, 01/17/23		2,500		2,465,175
3.35%, 10/18/27^a		2,000		1,926,380
3.45%, 01/11/27		3,000		2,918,520
3.54%, 01/17/28		1,500		1,463,970
3.78%, 03/09/26		350		349,475


Security	Principal (000s)		Value
SunTrust Bank/Atlanta GA
2.25%, 01/31/20 (Call 12/31/19)	$	1,435	$	1,419,961
2.45%, 08/01/22 (Call 07/01/22)		2,000		1,935,760
2.75%, 05/01/23 (Call 04/01/23)		1,200		1,166,016
3.00%, 02/02/23 (Call 01/02/23)		2,500		2,464,025
3.30%, 05/15/26 (Call 04/15/26)^a		1,000		959,810
(3 mo. LIBOR US + 0.480%)
2.59%, 01/29/21 (Call 01/29/20)^c		1,500		1,493,325
SunTrust Banks Inc.
2.50%, 05/01/19 (Call 04/01/19)		1,071		1,068,162
2.70%, 01/27/22 (Call 12/27/21)		3,041		2,982,126
2.90%, 03/03/21 (Call 02/03/21)		1,470		1,463,973
SVB Financial Group
3.50%, 01/29/25		340		331,109
5.38%, 09/15/20		150		158,729
Svenska Handelsbanken AB
1.50%, 09/06/19		2,000		1,964,000
1.88%, 09/07/21		2,000		1,913,200
2.40%, 10/01/20		1,500		1,479,090
2.45%, 03/30/21		1,750		1,715,683
Synchrony Bank
3.00%, 06/15/22 (Call 05/15/22)		2,600		2,541,370
Synovus Financial Corp.
3.13%, 11/01/22 (Call 10/01/22)		2,560		2,495,360
Toronto-Dominion Bank (The)
1.45%, 08/13/19		2,925		2,874,573
1.80%, 07/13/21^a		822		791,627
1.85%, 09/11/20		3,220		3,146,681
2.13%, 07/02/19		2,800		2,783,452
2.13%, 04/07/21		4,700		4,586,871
2.25%, 11/05/19		3,900		3,872,973
2.50%, 12/14/20^a		4,401		4,360,027


Security	Principal (000s)		Value
2.55%, 01/25/21	$	2,500	$	2,477,075
(5 year USD Swap + 2.205%)
3.63%, 09/15/31 (Call 09/15/26)^a,c		1,245		1,195,947
U.S. Bancorp.
2.20%, 04/25/19 (Call 03/25/19)		925		921,161
2.35%, 01/29/21 (Call 12/29/20)		3,300		3,250,137
2.63%, 01/24/22 (Call 12/23/21)		3,282		3,230,177
2.95%, 07/15/22 (Call 06/15/22)^a		1,623		1,605,942
3.00%, 03/15/22 (Call 02/15/22)		2,063		2,062,608
3.10%, 04/27/26 (Call 03/27/26)		675		645,374
3.70%, 01/30/24 (Call 12/29/23)		2,525		2,585,928
4.13%, 05/24/21 (Call 04/23/21)		1,986		2,057,079
Series F
3.60%, 09/11/24 (Call 08/11/24)		2,165		2,188,404
Series V
2.38%, 07/22/26 (Call 06/22/26)^a		2,350		2,139,699
Series X
3.15%, 04/27/27 (Call 03/27/27)		1,850		1,780,496
U.S. Bank N.A./Cincinnati OH
1.40%, 04/26/19 (Call 03/26/19)		4,250		4,197,767
2.13%, 10/28/19 (Call 09/28/19)		4,685		4,643,538
2.80%, 01/27/25 (Call 12/27/24)		1,250		1,199,225
2.85%, 01/23/23 (Call 12/23/22)		2,500		2,460,650
UBS AG/Stamford CT
2.35%, 03/26/20		3,520		3,479,696
2.38%, 08/14/19		4,050		4,030,884
4.88%, 08/04/20		4,640		4,844,578


Security	Principal (000s)		Value
Wells Fargo & Co.
2.10%, 07/26/21	$	6,015	$	5,811,152
2.13%, 04/22/19^a		5,700		5,666,769
2.50%, 03/04/21		8,421		8,272,033
2.55%, 12/07/20		3,275		3,232,097
2.60%, 07/22/20^a		7,288		7,229,332
2.63%, 07/22/22		2,110		2,048,050
3.00%, 01/22/21^a		3,450		3,442,824
3.00%, 02/19/25		5,635		5,415,911
3.00%, 04/22/26		5,125		4,850,915
3.00%, 10/23/26^a		4,496		4,245,303
3.07%, 01/24/23 (Call 01/24/22)		7,364		7,258,327
3.30%, 09/09/24		7,127		7,026,723
3.50%, 03/08/22^a		3,029		3,052,051
3.55%, 09/29/25		4,555		4,512,547
4.10%, 06/03/26		3,790		3,796,253
4.13%, 08/15/23		1,250		1,278,913
4.30%, 07/22/27^a		5,400		5,471,712
4.48%, 01/16/24		531		554,019
4.60%, 04/01/21		415		433,227
(3 mo. LIBOR US + 1.310%)
3.58%, 05/22/28 (Call 05/22/27)^a,c		1,289		1,258,580
Series M
3.45%, 02/13/23		3,705		3,678,769
Series N
2.15%, 01/30/20		6,175		6,087,932
Wells Fargo Bank N.A.
1.75%, 05/24/19		6,500		6,439,355
2.15%, 12/06/19		3,840		3,798,106
2.60%, 01/15/21		3,000		2,961,270
Westpac Banking Corp.
1.60%, 08/19/19		2,550		2,509,863
1.65%, 05/13/19		2,020		1,996,891
2.00%, 08/19/21		2,250		2,172,870
2.10%, 05/13/21		249		241,779
2.15%, 03/06/20		3,290		3,245,914
2.30%, 05/26/20		750		740,550
2.50%, 06/28/22		2,318		2,249,851
2.60%, 11/23/20		1,825		1,808,320
2.65%, 01/25/21		2,500		2,475,400
2.70%, 08/19/26^a		2,500		2,319,400


Security	Principal (000s)		Value
2.75%, 01/11/23	$	1,750	$	1,703,590
2.80%, 01/11/22		5,735		5,662,796
2.85%, 05/13/26		2,275		2,140,821
3.35%, 03/08/27^a		2,400		2,329,176
4.88%, 11/19/19		1,520		1,573,002
(5 year USD ICE Swap + 2.236%)
4.32%, 11/23/31 (Call 11/23/26)^a,c		2,815		2,809,651

				1,948,892,075
BEVERAGES — 2.10%
Anheuser-Busch Companies LLC
5.00%, 03/01/19		1,220		1,248,585
Anheuser-Busch InBev Finance Inc.
2.63%, 01/17/23		1,744		1,694,069
2.65%, 02/01/21 (Call 01/01/21)		12,989		12,869,241
3.30%, 02/01/23 (Call 12/01/22)^a		11,778		11,730,299
3.65%, 02/01/26 (Call 11/01/25)^a		18,770		18,578,546
3.70%, 02/01/24^a		2,275		2,313,015
Anheuser-Busch InBev Worldwide Inc.
2.50%, 07/15/22		2,350		2,285,657
3.75%, 01/15/22		1,200		1,225,332
4.38%, 02/15/21		1,570		1,633,758
5.00%, 04/15/20		1,223		1,278,084
5.38%, 01/15/20		2,905		3,039,879
6.88%, 11/15/19		1,250		1,334,937
Beam Suntory Inc.
3.25%, 05/15/22 (Call 02/15/22)		245		243,956
Coca-Cola Bottling Co. Consolidated
3.80%, 11/25/25 (Call 08/25/25)^a		780		770,242
Coca-Cola Co. (The)
1.38%, 05/30/19		3,450		3,407,634
1.55%, 09/01/21		2,050		1,968,266
1.88%, 10/27/20		1,750		1,716,120
2.20%, 05/25/22		1,050		1,021,986


Security	Principal (000s)		Value
2.25%, 09/01/26	$	1,250	$	1,155,013
2.45%, 11/01/20		2,734		2,725,197
2.50%, 04/01/23^a		800		780,368
2.55%, 06/01/26		1,325		1,253,635
2.88%, 10/27/25		3,275		3,184,479
2.90%, 05/25/27^a		1,477		1,426,605
3.15%, 11/15/20^a		2,209		2,235,420
3.20%, 11/01/23		1,458		1,475,598
3.30%, 09/01/21		2,004		2,033,880
Coca-Cola European Partners U.S. LLC
3.25%, 08/19/21 (Call 05/19/21)		300		301,344
3.50%, 09/15/20		1,250		1,268,000
4.50%, 09/01/21 (Call 06/01/21)		1,680		1,746,545
Coca-Cola FEMSA SAB de CV
2.38%, 11/26/18		1,342		1,340,739
Constellation Brands Inc.
2.00%, 11/07/19		1,000		987,020
2.25%, 11/06/20^a		575		563,960
2.65%, 11/07/22 (Call 10/07/22)		75		72,589
2.70%, 05/09/22 (Call 04/09/22)		5,800		5,662,192
3.20%, 02/15/23 (Call 01/15/23)		1,650		1,632,246
3.50%, 05/09/27 (Call 02/09/27)		75		72,575
3.60%, 02/15/28 (Call 11/15/27)		1,500		1,453,110
3.70%, 12/06/26 (Call 09/06/26)		2,304		2,274,924
4.75%, 11/15/24^a		550		584,249
Diageo Capital PLC
2.63%, 04/29/23 (Call 01/29/23)		4,414		4,282,816
4.83%, 07/15/20		600		627,822
Diageo Investment Corp.
2.88%, 05/11/22^a		1,496		1,484,152
Dr Pepper Snapple Group Inc.
2.55%, 09/15/26 (Call 06/15/26)		960		859,402


Security	Principal (000s)		Value
3.13%, 12/15/23 (Call 10/15/23)	$	480	$	468,845
3.40%, 11/15/25 (Call 08/15/25)^a		950		917,729
3.43%, 06/15/27 (Call 03/15/27)^b		1,000		960,660
Molson Coors Brewing Co.
1.45%, 07/15/19^a		1,625		1,596,741
2.10%, 07/15/21 (Call 06/15/21)		2,009		1,935,631
2.25%, 03/15/20 (Call 02/15/20)		640		631,494
3.00%, 07/15/26 (Call 04/15/26)		3,832		3,581,770
3.50%, 05/01/22		525		527,158
PepsiCo Inc.
1.35%, 10/04/19		1,975		1,940,418
1.55%, 05/02/19		100		99,034
1.70%, 10/06/21 (Call 09/06/21)		1,135		1,088,930
1.85%, 04/30/20 (Call 03/30/20)		1,950		1,922,037
2.00%, 04/15/21 (Call 03/15/21)		1,400		1,367,548
2.15%, 10/14/20 (Call 09/14/20)		1,027		1,012,827
2.25%, 05/02/22 (Call 04/02/22)		2,550		2,478,319
2.38%, 10/06/26 (Call 07/06/26)		2,580		2,375,483
2.75%, 03/05/22^a		3,916		3,883,732
2.75%, 03/01/23		980		968,857
2.75%, 04/30/25 (Call 01/30/25)		1,025		990,037
2.85%, 02/24/26 (Call 11/24/25)		2,146		2,057,435
3.00%, 08/25/21		655		659,081
3.00%, 10/15/27 (Call 07/15/27)		1,750		1,681,925
3.10%, 07/17/22 (Call 05/17/22)		1,650		1,658,761
3.13%, 11/01/20		555		560,678
3.50%, 07/17/25 (Call 04/17/25)^a		2,150		2,165,265


Security	Principal (000s)		Value
3.60%, 03/01/24 (Call 12/01/23)	$	2,688	$	2,740,631
4.50%, 01/15/20		687		710,331

				150,824,843
BIOTECHNOLOGY — 1.38%
Amgen Inc.
1.85%, 08/19/21 (Call 07/19/21)^a		3,680		3,528,789
1.90%, 05/10/19		660		655,030
2.13%, 05/01/20 (Call 04/01/20)		1,450		1,427,496
2.20%, 05/22/19 (Call 04/22/19)		1,353		1,346,316
2.20%, 05/11/20		1,735		1,710,328
2.60%, 08/19/26 (Call 05/19/26)		3,635		3,328,279
2.65%, 05/11/22 (Call 04/11/22)		89		86,957
2.70%, 05/01/22 (Call 03/01/22)^a		3,120		3,057,694
3.13%, 05/01/25 (Call 02/01/25)		175		169,433
3.20%, 11/02/27 (Call 08/02/27)		1,960		1,863,470
3.45%, 10/01/20^a		970		983,570
3.63%, 05/15/22 (Call 02/15/22)		802		813,036
3.63%, 05/22/24 (Call 02/22/24)^a		2,281		2,295,507
3.88%, 11/15/21 (Call 08/15/21)		529		541,648
4.10%, 06/15/21 (Call 03/15/21)		3,378		3,482,448
4.50%, 03/15/20		1,275		1,314,882
Baxalta Inc.
2.88%, 06/23/20 (Call 05/23/20)		4,205		4,180,611
3.60%, 06/23/22 (Call 04/23/22)		900		902,673
4.00%, 06/23/25 (Call 03/23/25)		4,040		4,025,294
Bio-Rad Laboratories Inc.
4.88%, 12/15/20		970		1,011,846


Security	Principal (000s)		Value
Biogen Inc.
2.90%, 09/15/20	$	1,075	$	1,073,839
3.63%, 09/15/22		1,500		1,518,075
4.05%, 09/15/25 (Call 06/15/25)^a		3,480		3,556,734
Celgene Corp.
2.25%, 05/15/19		3,475		3,456,096
2.25%, 08/15/21		1,440		1,398,139
2.75%, 02/15/23 (Call 01/15/23)		1,600		1,551,376
2.88%, 08/15/20		1,490		1,486,454
3.25%, 08/15/22		2,310		2,298,080
3.25%, 02/20/23 (Call 01/20/23)		3,000		2,970,180
3.45%, 11/15/27 (Call 08/15/27)		1,250		1,188,338
3.55%, 08/15/22		910		915,041
3.63%, 05/15/24 (Call 02/15/24)		800		795,472
3.88%, 08/15/25 (Call 05/15/25)^a		5,150		5,135,992
3.90%, 02/20/28 (Call 11/20/27)^a		1,500		1,475,250
3.95%, 10/15/20		900		921,375
4.00%, 08/15/23^a		535		546,374
Gilead Sciences Inc.
1.85%, 09/20/19		1,475		1,458,775
1.95%, 03/01/22 (Call 02/01/22)^a		860		822,470
2.05%, 04/01/19		300		298,536
2.35%, 02/01/20		4,693		4,662,308
2.50%, 09/01/23 (Call 07/01/23)^a		1,205		1,155,800
2.55%, 09/01/20^a		1,800		1,787,688
2.95%, 03/01/27 (Call 12/01/26)^a		4,325		4,072,507
3.25%, 09/01/22 (Call 07/01/22)^a		4,675		4,689,679
3.50%, 02/01/25 (Call 11/01/24)		3,410		3,395,576
3.65%, 03/01/26 (Call 12/01/25)^a		1,025		1,024,744
3.70%, 04/01/24 (Call 01/01/24)^a		4,080		4,144,015


Security	Principal (000s)		Value
4.40%, 12/01/21 (Call 09/01/21)^a	$	2,949	$	3,084,241
4.50%, 04/01/21 (Call 01/01/21)		1,274		1,329,432

				98,937,893
BUILDING MATERIALS — 0.17%
CRH America Inc.
5.75%, 01/15/21		970		1,038,627
Johnson Controls International PLC
3.63%, 07/02/24 (Call 04/02/24)^e		640		647,565
3.75%, 12/01/21 (Call 09/01/21)		1,250		1,276,712
3.90%, 02/14/26 (Call 11/14/25)		1,000		1,012,970
4.25%, 03/01/21		1,325		1,368,632
5.00%, 03/30/20		400		417,576
Lennox International Inc.
3.00%, 11/15/23 (Call 09/15/23)^a		450		438,296
Martin Marietta Materials Inc.
3.50%, 12/15/27 (Call 09/15/27)		2,500		2,400,925
Masco Corp.
4.38%, 04/01/26 (Call 01/01/26)		450		461,462
Owens Corning
3.40%, 08/15/26 (Call 05/15/26)^a		335		319,885
4.20%, 12/15/22 (Call 09/15/22)^a		225		231,026
4.20%, 12/01/24 (Call 09/01/24)		425		435,170
Vulcan Materials Co.
3.90%, 04/01/27 (Call 01/01/27)		1,100		1,093,114
4.50%, 04/01/25 (Call 01/01/25)		1,150		1,192,469

				12,334,429
CHEMICALS — 1.31%
Agrium Inc.
3.15%, 10/01/22 (Call 07/01/22)		1,370		1,364,808


Security	Principal (000s)		Value
3.38%, 03/15/25 (Call 12/15/24)	$	205	$	199,658
3.50%, 06/01/23 (Call 03/01/23)		160		160,296
Air Products & Chemicals Inc.
2.75%, 02/03/23		465		458,299
3.00%, 11/03/21		1,888		1,889,057
3.35%, 07/31/24 (Call 04/30/24)^a		635		640,423
4.38%, 08/21/19		250		256,500
Airgas Inc.
2.38%, 02/15/20 (Call 01/15/20)		625		620,519
2.90%, 11/15/22 (Call 08/15/22)		425		419,284
3.65%, 07/15/24 (Call 04/15/24)^a		725		738,217
Albemarle Corp.
4.15%, 12/01/24 (Call 09/01/24)^a		1,040		1,074,008
Braskem Finance Ltd.
6.45%, 02/03/24		1,250		1,371,887
Cabot Corp.
3.70%, 07/15/22		460		464,218
Celanese U.S. Holdings LLC
4.63%, 11/15/22		886		922,796
Dow Chemical Co. (The)
3.00%, 11/15/22 (Call 08/15/22)		505		497,970
3.50%, 10/01/24 (Call 07/01/24)^a		2,274		2,263,767
4.13%, 11/15/21 (Call 08/15/21)		3,454		3,571,505
4.25%, 11/15/20 (Call 08/15/20)		1,868		1,923,386
8.55%, 05/15/19		5,592		5,971,194
Eastman Chemical Co.
2.70%, 01/15/20 (Call 12/15/19)		1,830		1,827,255
3.60%, 08/15/22 (Call 05/15/22)		152		153,876
3.80%, 03/15/25 (Call 12/15/24)^a		2,581		2,623,199


Security	Principal (000s)		Value
EI du Pont de Nemours & Co.
2.20%, 05/01/20	$	1,025	$	1,013,120
2.80%, 02/15/23^a		4,308		4,229,767
3.63%, 01/15/21		1,029		1,049,477
4.25%, 04/01/21		375		389,411
4.63%, 01/15/20		1,886		1,955,688
5.75%, 03/15/19		775		798,808
FMC Corp.
3.95%, 02/01/22 (Call 11/01/21)		700		713,223
4.10%, 02/01/24 (Call 11/01/23)		1,000		1,013,080
LYB International Finance BV
4.00%, 07/15/23^a		760		776,986
LYB International Finance II BV
3.50%, 03/02/27 (Call 12/02/26)^a		1,550		1,507,514
LyondellBasell Industries NV
5.00%, 04/15/19 (Call 01/15/19)		4,703		4,792,451
5.75%, 04/15/24 (Call 01/15/24)		2,900		3,212,504
Methanex Corp.
4.25%, 12/01/24 (Call 09/01/24)		280		279,093
Monsanto Co.
2.13%, 07/15/19		1,617		1,603,660
2.20%, 07/15/22 (Call 04/15/22)		110		104,797
2.75%, 07/15/21		600		592,950
2.85%, 04/15/25 (Call 01/15/25)		1,120		1,061,771
3.38%, 07/15/24 (Call 04/15/24)		1,530		1,517,989
Mosaic Co. (The)
3.25%, 11/15/22 (Call 10/15/22)		550		540,562
3.75%, 11/15/21 (Call 08/15/21)		1,540		1,554,307
4.05%, 11/15/27 (Call 08/15/27)		1,150		1,119,617
4.25%, 11/15/23 (Call 08/15/23)^a		1,736		1,785,528


Security	Principal (000s)		Value
Potash Corp. of Saskatchewan Inc.
3.00%, 04/01/25 (Call 01/01/25)^a	$	1,850	$	1,757,000
3.63%, 03/15/24 (Call 12/15/23)		450		450,842
4.00%, 12/15/26 (Call 09/15/26)		1,000		1,005,120
4.88%, 03/30/20		105		108,753
6.50%, 05/15/19		806		839,239
PPG Industries Inc.
2.30%, 11/15/19 (Call 10/15/19)		850		845,325
3.20%, 03/15/23 (Call 02/15/23)		3,000		2,990,310
3.60%, 11/15/20		550		561,005
3.75%, 03/15/28 (Call 12/15/27)		3,000		3,005,310
Praxair Inc.
2.20%, 08/15/22 (Call 05/15/22)		11		10,641
2.25%, 09/24/20		900		890,838
2.45%, 02/15/22 (Call 11/15/21)^a		613		601,378
2.65%, 02/05/25 (Call 11/05/24)		1,740		1,672,958
2.70%, 02/21/23 (Call 11/21/22)		375		368,464
3.00%, 09/01/21		465		466,669
3.20%, 01/30/26 (Call 10/30/25)^a		100		99,406
4.05%, 03/15/21		500		517,180
4.50%, 08/15/19		1,247		1,281,330
RPM International Inc.
3.45%, 11/15/22 (Call 08/15/22)		315		315,202
3.75%, 03/15/27 (Call 12/15/26)^a		1,000		980,060
6.13%, 10/15/19		495		519,898
Sherwin-Williams Co. (The)
2.25%, 05/15/20^a		1,225		1,207,678
2.75%, 06/01/22 (Call 05/01/22)^a		3,028		2,954,965


Security	Principal (000s)		Value
3.13%, 06/01/24 (Call 04/01/24)^a	$	755	$	735,468
3.45%, 08/01/25 (Call 05/01/25)^a		705		690,385
3.45%, 06/01/27 (Call 03/01/27)		2,080		2,002,728
4.20%, 01/15/22 (Call 10/15/21)		1,700		1,748,637
7.25%, 06/15/19		400		422,404
Syngenta Finance NV
3.13%, 03/28/22^a		1,345		1,297,374
Westlake Chemical Corp.
3.60%, 07/15/22 (Call 04/15/22)		400		400,764
3.60%, 08/15/26 (Call 05/15/26)		510		496,842
4.88%, 05/15/23 (Call 05/15/18)		2,070		2,118,604

				94,387,202
COMMERCIAL SERVICES — 0.41%
Automatic Data Processing Inc.
2.25%, 09/15/20 (Call 08/15/20)		1,240		1,226,968
3.38%, 09/15/25 (Call 06/15/25)		210		210,827
Block Financial LLC
4.13%, 10/01/20 (Call 09/01/20)^a		1,335		1,362,154
5.50%, 11/01/22 (Call 05/01/22)		1,520		1,607,005
Board of Trustees of The Leland Stanford Junior University (The)
4.75%, 05/01/19		318		325,626
Ecolab Inc.
2.25%, 01/12/20		159		157,712
2.38%, 08/10/22 (Call 07/10/22)		1,600		1,546,032
2.70%, 11/01/26 (Call 08/01/26)		2,960		2,765,558
3.25%, 01/14/23 (Call 11/14/22)^a		290		290,052
3.25%, 12/01/27 (Call 09/01/27)^b		1,500		1,442,040


Security	Principal (000s)		Value
4.35%, 12/08/21	$	1,468	$	1,533,458
Equifax Inc.
2.30%, 06/01/21 (Call 05/01/21)^a		310		301,587
3.30%, 12/15/22 (Call 09/15/22)		140		138,862
Moody’s Corp.
2.63%, 01/15/23 (Call 12/15/22)^a,b		1,110		1,072,848
2.75%, 12/15/21 (Call 11/15/21)		4,120		4,058,859
4.88%, 02/15/24 (Call 11/15/23)^a		295		314,786
5.50%, 09/01/20		515		544,880
Princeton University
Series A
4.95%, 03/01/19		288		294,238
S&P Global Inc.
2.95%, 01/22/27 (Call 10/22/26)		1,959		1,852,783
3.30%, 08/14/20 (Call 07/14/20)		683		689,126
4.00%, 06/15/25 (Call 03/15/25)^a		415		424,811
Total System Services Inc.
3.75%, 06/01/23 (Call 03/01/23)		125		125,037
3.80%, 04/01/21 (Call 03/01/21)		810		820,303
4.80%, 04/01/26 (Call 01/01/26)		2,045		2,145,369
Verisk Analytics Inc.
4.00%, 06/15/25 (Call 03/15/25)		1,735		1,741,524
4.13%, 09/12/22		225		231,505
5.80%, 05/01/21		125		134,491
Western Union Co. (The)
3.35%, 05/22/19		500		502,410
3.60%, 03/15/22 (Call 02/15/22)		1,200		1,202,580
5.25%, 04/01/20		715		744,708

				29,808,139


Security	Principal (000s)		Value
COMPUTERS — 2.68%
Apple Inc.
1.10%, 08/02/19	$	3,300	$	3,239,280
1.55%, 02/07/20		217		213,101
1.55%, 08/04/21 (Call 07/04/21)^a		5,033		4,821,513
1.80%, 11/13/19^a		1,000		988,730
1.80%, 05/11/20		3,050		2,999,461
1.90%, 02/07/20		3,800		3,757,022
2.00%, 05/06/20^a		2,070		2,045,512
2.00%, 11/13/20^a		1,000		983,380
2.10%, 05/06/19		2,290		2,281,756
2.10%, 09/12/22 (Call 08/12/22)^a		1,800		1,731,672
2.15%, 02/09/22		2,725		2,647,337
2.25%, 02/23/21 (Call 01/23/21)		7,265		7,153,119
2.30%, 05/11/22 (Call 04/11/22)		1,325		1,289,940
2.40%, 01/13/23 (Call 12/13/22)^a		2,575		2,497,132
2.40%, 05/03/23^a		7,428		7,183,025
2.45%, 08/04/26 (Call 05/04/26)		3,145		2,909,754
2.50%, 02/09/22 (Call 01/09/22)		6,435		6,332,233
2.50%, 02/09/25		3,175		3,004,852
2.70%, 05/13/22^a		4,380		4,342,595
2.75%, 01/13/25 (Call 11/13/24)		2,271		2,184,657
2.85%, 05/06/21		6,180		6,187,787
2.85%, 02/23/23 (Call 12/23/22)^a		3,305		3,267,786
2.85%, 05/11/24 (Call 03/11/24)		2,240		2,181,446
2.90%, 09/12/27 (Call 06/12/27)^a		2,250		2,128,252
3.00%, 02/09/24 (Call 12/09/23)		225		222,055
3.00%, 06/20/27 (Call 03/20/27)^a		1,600		1,531,968
3.00%, 11/13/27 (Call 08/13/27)^a		3,100		2,963,693


Security	Principal (000s)		Value
3.20%, 05/13/25^a	$	5,025	$	4,973,896
3.20%, 05/11/27 (Call 02/11/27)		1,990		1,938,240
3.25%, 02/23/26 (Call 11/23/25)		6,570		6,472,238
3.35%, 02/09/27 (Call 11/09/26)^a		1,930		1,902,613
3.45%, 05/06/24		3,650		3,676,207
Dell International LLC/EMC Corp.
3.48%, 06/01/19^b		7,415		7,462,753
4.42%, 06/15/21 (Call 05/15/21)^b		8,435		8,610,532
5.45%, 06/15/23 (Call 04/15/23)^a,b		1,243		1,310,445
6.02%, 06/15/26 (Call 03/15/26)^b		9,095		9,713,187
DXC Technology Co.
2.88%, 03/27/20		95		94,745
4.25%, 04/15/24 (Call 02/15/24)		940		961,573
4.45%, 09/18/22		955		985,207
4.75%, 04/15/27 (Call 01/15/27)		1,670		1,725,845
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)		7,800		7,885,020
4.40%, 10/15/22 (Call 08/15/22)^a		5,230		5,419,431
4.90%, 10/15/25 (Call 07/15/25)^a		1,610		1,663,903
HP Inc.
3.75%, 12/01/20		138		140,633
4.05%, 09/15/22^a		1,300		1,335,893
4.30%, 06/01/21		1,110		1,148,473
4.38%, 09/15/21		2,565		2,662,137
4.65%, 12/09/21		842		881,877
IBM Credit LLC
2.20%, 09/08/22		3,270		3,145,576
2.65%, 02/05/21		2,000		1,987,360
3.00%, 02/06/23		3,000		2,971,560
International Business Machines Corp.
1.63%, 05/15/20		2,400		2,347,104
1.80%, 05/17/19		1,965		1,948,907


Security	Principal (000s)		Value
1.88%, 05/15/19	$	490	$	486,967
1.88%, 08/01/22		5,850		5,555,511
2.88%, 11/09/22		2,600		2,568,592
2.90%, 11/01/21		2,050		2,045,879
3.30%, 01/27/27^a		1,300		1,283,893
3.38%, 08/01/23		3,300		3,326,367
3.45%, 02/19/26^a		1,930		1,933,165
3.63%, 02/12/24		3,694		3,759,568
8.38%, 11/01/19		2,602		2,843,986
NetApp Inc.
3.25%, 12/15/22 (Call 09/15/22)		510		501,350
3.30%, 09/29/24 (Call 07/29/24)^a		1,500		1,462,995
3.38%, 06/15/21 (Call 04/15/21)		305		306,107
Seagate HDD Cayman
4.75%, 06/01/23^a		388		390,503
4.75%, 01/01/25^a		455		440,768
4.88%, 03/01/24 (Call 01/01/24)^b		375		374,745
4.88%, 06/01/27 (Call 03/01/27)^a		1,337		1,276,715

				193,011,524
COSMETICS & PERSONAL CARE — 0.51%
Colgate-Palmolive Co.
1.75%, 03/15/19		674		669,356
1.95%, 02/01/23		269		256,115
2.10%, 05/01/23		600		572,196
2.25%, 11/15/22		3,543		3,437,525
2.30%, 05/03/22^a		355		347,133
2.45%, 11/15/21^a		205		202,991
2.95%, 11/01/20^a		415		418,777
Estee Lauder Companies Inc. (The)
1.70%, 05/10/21 (Call 04/10/21)		900		868,599
1.80%, 02/07/20		1,480		1,456,424
2.35%, 08/15/22		450		436,406
Procter & Gamble Co. (The)
1.70%, 11/03/21		2,120		2,038,062
1.75%, 10/25/19		169		167,231
1.90%, 11/01/19		590		585,191


Security	Principal (000s)		Value
1.90%, 10/23/20^a	$	1,500	$	1,474,995
2.15%, 08/11/22		1,520		1,471,497
2.30%, 02/06/22		4,950		4,849,317
2.45%, 11/03/26^a		200		185,526
2.70%, 02/02/26		980		935,332
2.85%, 08/11/27		1,400		1,334,452
3.10%, 08/15/23^a		1,150		1,153,220
Series A
9.36%, 01/01/21		49		53,961
Unilever Capital Corp.
1.38%, 07/28/21		1,080		1,028,851
1.80%, 05/05/20		935		918,927
2.00%, 07/28/26		2,450		2,189,075
2.10%, 07/30/20		250		246,753
2.20%, 03/06/19		2,000		1,995,580
2.20%, 05/05/22 (Call 04/05/22)		1,650		1,599,922
2.60%, 05/05/24 (Call 03/05/24)^a		1,500		1,447,095
2.90%, 05/05/27 (Call 02/05/27)^a		1,250		1,190,437
3.10%, 07/30/25^a		560		550,782
4.25%, 02/10/21		2,169		2,254,632

				36,336,360
DIVERSIFIED FINANCIAL SERVICES — 3.07%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
3.50%, 05/26/22 (Call 04/26/22)		1,795		1,787,066
3.50%, 01/15/25 (Call 11/15/24)		2,850		2,741,187
3.65%, 07/21/27 (Call 04/21/27)^a		1,325		1,247,660
3.75%, 05/15/19		1,460		1,473,096
3.95%, 02/01/22 (Call 01/01/22)		5,350		5,403,821
4.50%, 05/15/21		2,280		2,348,012
4.63%, 10/30/20		1,350		1,395,900
5.00%, 10/01/21		525		549,995
Affiliated Managers Group Inc.
4.25%, 02/15/24		900		925,731
Air Lease Corp.
2.13%, 01/15/20		2,105		2,075,909


Security	Principal (000s)		Value
2.63%, 07/01/22 (Call 06/01/22)	$	2,265	$	2,189,847
2.75%, 01/15/23 (Call 12/15/22)^a		2,000		1,933,040
3.00%, 09/15/23 (Call 07/15/23)^a		1,540		1,491,890
3.25%, 03/01/25 (Call 01/01/25)		1,500		1,440,180
3.38%, 06/01/21 (Call 05/01/21)		2,383		2,393,485
3.63%, 04/01/27 (Call 01/01/27)		905		863,632
3.63%, 12/01/27 (Call 09/01/27)		1,500		1,434,405
3.75%, 02/01/22 (Call 12/01/21)^a		950		963,281
3.88%, 04/01/21 (Call 03/01/21)		925		942,362
4.25%, 09/15/24 (Call 06/15/24)		965		989,636
4.75%, 03/01/20		1,131		1,170,415
American Express Co.
2.20%, 10/30/20 (Call 09/29/20)		2,755		2,699,239
2.50%, 08/01/22 (Call 07/01/22)		4,850		4,689,901
2.65%, 12/02/22		2,340		2,274,784
3.00%, 10/30/24 (Call 09/29/24)		2,500		2,408,325
3.40%, 02/27/23 (Call 01/27/23)		3,000		2,993,940
3.63%, 12/05/24 (Call 11/04/24)		1,700		1,700,272
American Express Credit Corp.
1.70%, 10/30/19 (Call 09/30/19)		1,141		1,122,276
1.88%, 05/03/19 (Call 04/03/19)		779		772,495
2.13%, 03/18/19		1,995		1,987,638
2.20%, 03/03/20 (Call 02/01/20)		2,500		2,467,675
2.25%, 08/15/19		2,875		2,858,641
2.25%, 05/05/21 (Call 04/04/21)^a		3,085		3,009,911


Security	Principal (000s)		Value
2.38%, 05/26/20 (Call 04/25/20)	$	2,505	$	2,476,969
2.70%, 03/03/22 (Call 01/31/22)^a		1,412		1,384,508
3.30%, 05/03/27 (Call 04/03/27)		2,910		2,821,158
Series F
2.60%, 09/14/20 (Call 08/14/20)		4,750		4,706,442
Ameriprise Financial Inc.
2.88%, 09/15/26 (Call 06/15/26)^a		580		548,001
3.70%, 10/15/24		1,810		1,834,616
4.00%, 10/15/23		1,515		1,566,101
5.30%, 03/15/20		800		839,368
7.30%, 06/28/19		135		143,073
Brookfield Finance Inc.
3.90%, 01/25/28 (Call 10/25/27)		2,000		1,945,760
4.25%, 06/02/26 (Call 03/02/26)		900		903,276
Brookfield Finance LLC
4.00%, 04/01/24 (Call 02/01/24)		1,000		1,011,130
Capital One Bank USA N.A.
3.38%, 02/15/23		4,500		4,437,540
Cboe Global Markets Inc.
3.65%, 01/12/27 (Call 10/12/26)		325		320,353
Charles Schwab Corp. (The)
2.65%, 01/25/23 (Call 12/25/22)^a		2,740		2,673,719
3.00%, 03/10/25 (Call 12/10/24)		570		554,120
3.20%, 03/02/27 (Call 12/02/26)^a		775		754,339
3.20%, 01/25/28 (Call 10/25/27)^a		1,950		1,883,603
3.23%, 09/01/22		105		104,839
3.45%, 02/13/26 (Call 11/13/25)		175		174,218
4.45%, 07/22/20		837		871,409


Security	Principal (000s)		Value
CME Group Inc.
3.00%, 09/15/22^a	$	1,572	$	1,566,467
3.00%, 03/15/25 (Call 12/15/24)		2,325		2,270,828
Discover Financial Services
3.75%, 03/04/25 (Call 12/04/24)		241		235,898
3.85%, 11/21/22		617		620,301
3.95%, 11/06/24 (Call 08/06/24)		1,160		1,158,979
4.10%, 02/09/27 (Call 11/09/26)^a		2,790		2,754,316
5.20%, 04/27/22		1,120		1,181,398
E*TRADE Financial Corp.
2.95%, 08/24/22 (Call 07/24/22)^a		1,000		975,540
3.80%, 08/24/27 (Call 05/24/27)		1,500		1,453,680
Eaton Vance Corp.
3.50%, 04/06/27 (Call 01/06/27)^a		2,200		2,172,104
Franklin Resources Inc.
2.80%, 09/15/22		552		541,529
2.85%, 03/30/25		725		701,322
4.63%, 05/20/20		350		363,171
GE Capital International Funding Co. Unlimited Co.
2.34%, 11/15/20		11,268		11,023,146
3.37%, 11/15/25^a		5,698		5,484,211
Genpact Luxembourg Sarl
3.70%, 04/01/22 (Call 03/01/22)^b		910		892,692
Intercontinental Exchange Inc.
2.35%, 09/15/22 (Call 08/15/22)		1,375		1,328,910
2.75%, 12/01/20 (Call 11/01/20)^a		1,792		1,784,402
3.10%, 09/15/27 (Call 06/15/27)		2,850		2,733,777
3.75%, 12/01/25 (Call 09/01/25)		3,800		3,862,662
4.00%, 10/15/23		510		528,166


Security	Principal (000s)		Value
International Lease Finance Corp.
5.88%, 04/01/19	$	5,325	$	5,496,358
5.88%, 08/15/22		100		109,042
6.25%, 05/15/19		100		103,659
Invesco Finance PLC
3.13%, 11/30/22^a		823		815,708
3.75%, 01/15/26		220		220,590
4.00%, 01/30/24		1,940		2,004,854
Janus Capital Group Inc.
4.88%, 08/01/25 (Call 05/01/25)^a		230		239,833
Jefferies Group LLC
5.13%, 01/20/23		905		961,897
6.88%, 04/15/21		993		1,092,588
8.50%, 07/15/19		840		900,858
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.85%, 01/15/27		2,750		2,837,643
Lazard Group LLC
3.63%, 03/01/27 (Call 12/01/26)^a		1,000		971,670
3.75%, 02/13/25		875		868,578
4.25%, 11/14/20		581		599,429
Legg Mason Inc.
4.75%, 03/15/26		410		428,520
Mastercard Inc.
2.00%, 04/01/19		694		690,710
2.00%, 11/21/21 (Call 10/21/21)^a		1,500		1,455,780
2.95%, 11/21/26 (Call 08/21/26)^a		835		802,435
3.38%, 04/01/24		1,329		1,330,874
3.50%, 02/26/28 (Call 11/26/27)		1,665		1,668,713
Nasdaq Inc.
3.85%, 06/30/26 (Call 03/30/26)		680		673,914
4.25%, 06/01/24 (Call 03/01/24)		285		292,724
5.55%, 01/15/20		552		577,690
National Rural Utilities Cooperative Finance Corp.
1.50%, 11/01/19		1,220		1,197,186


Security	Principal (000s)		Value
2.00%, 01/27/20 (Call 12/27/19)	$	600	$	592,428
2.30%, 11/15/19 (Call 10/15/19)		1,460		1,449,941
2.30%, 11/01/20 (Call 10/01/20)		465		458,741
2.30%, 09/15/22 (Call 08/15/22)		2,200		2,122,956
2.40%, 04/25/22 (Call 03/25/22)		2,000		1,942,760
2.70%, 02/15/23 (Call 12/15/22)		1,960		1,912,137
2.85%, 01/27/25 (Call 10/27/24)^a		75		72,335
2.95%, 02/07/24 (Call 12/07/23)		1,500		1,470,195
3.05%, 02/15/22 (Call 11/15/21)		810		808,129
3.05%, 04/25/27 (Call 01/25/27)		1,000		961,610
3.25%, 11/01/25 (Call 08/01/25)		705		695,313
3.40%, 11/15/23 (Call 08/15/23)		600		603,852
3.40%, 02/07/28 (Call 11/07/27)		2,500		2,458,525
Nomura Holdings Inc.
2.75%, 03/19/19		645		645,168
6.70%, 03/04/20		989		1,059,081
ORIX Corp.
2.90%, 07/18/22		725		709,036
3.25%, 12/04/24		2,660		2,583,286
Raymond James Financial Inc.
3.63%, 09/15/26		1,215		1,186,508
Stifel Financial Corp.
4.25%, 07/18/24^a		705		709,047
Synchrony Financial
2.70%, 02/03/20 (Call 01/03/20)		1,189		1,180,392
3.00%, 08/15/19 (Call 07/15/19)		1,625		1,625,796
3.70%, 08/04/26 (Call 05/04/26)^a		2,920		2,790,498


Security	Principal (000s)		Value
3.75%, 08/15/21 (Call 06/15/21)	$	578	$	585,479
3.95%, 12/01/27 (Call 09/01/27)		50		48,083
4.25%, 08/15/24 (Call 05/15/24)		2,350		2,367,719
4.50%, 07/23/25 (Call 04/24/25)		1,778		1,806,768
TD Ameritrade Holding Corp.
2.95%, 04/01/22 (Call 02/01/22)		330		327,835
5.60%, 12/01/19		692		725,140
Visa Inc.
2.20%, 12/14/20 (Call 11/14/20)		7,115		7,024,853
2.80%, 12/14/22 (Call 10/14/22)^a		4,005		3,952,695
3.15%, 12/14/25 (Call 09/14/25)^a		8,100		7,950,555
Washington Prime Group LP
5.95%, 08/15/24 (Call 06/15/24)^a		1,000		989,060

				220,490,862
ELECTRIC — 3.60%
AEP Texas Inc.
2.40%, 10/01/22 (Call 09/01/22)		2,250		2,169,157
AEP Transmission Co. LLC
3.10%, 12/01/26 (Call 09/01/26)		410		396,068
Alabama Power Co.
Series 13-A
3.55%, 12/01/23		1,150		1,164,272
Series 17A
2.45%, 03/30/22 (Call 02/28/22)		910		887,004
Ameren Corp.
2.70%, 11/15/20 (Call 10/15/20)		380		377,963
3.65%, 02/15/26 (Call 11/15/25)		836		829,128
Ameren Illinois Co.
2.70%, 09/01/22 (Call 06/01/22)		725		711,754


Security	Principal (000s)		Value
American Electric Power Co. Inc.
2.15%, 11/13/20	$	550	$	539,759
2.95%, 12/15/22 (Call 09/15/22)		190		187,872
3.20%, 11/13/27 (Call 08/13/27)		150		143,382
Appalachian Power Co.
3.30%, 06/01/27 (Call 03/01/27)		1,000		971,770
4.60%, 03/30/21 (Call 12/30/20)		700		730,702
Arizona Public Service Co.
3.15%, 05/15/25 (Call 02/15/25)		510		499,305
8.75%, 03/01/19		600		635,052
Avangrid Inc.
3.15%, 12/01/24 (Call 10/01/24)^a		2,550		2,474,571
Baltimore Gas & Electric Co.
2.40%, 08/15/26 (Call 05/15/26)		700		642,586
2.80%, 08/15/22 (Call 05/15/22)		180		176,225
3.50%, 11/15/21 (Call 08/15/21)		1,500		1,524,915
Berkshire Hathaway Energy Co.
2.40%, 02/01/20 (Call 01/01/20)		800		795,592
3.50%, 02/01/25 (Call 11/01/24)^a		950		953,819
3.75%, 11/15/23 (Call 08/15/23)		580		593,601
Black Hills Corp.
3.95%, 01/15/26 (Call 07/15/25)		425		429,242
CenterPoint Energy Houston Electric LLC
1.85%, 06/01/21 (Call 05/01/21)		515		497,840
2.25%, 08/01/22 (Call 05/01/22)		325		313,131
Series AA
3.00%, 02/01/27 (Call 11/01/26)		1,000		959,520


Security	Principal (000s)		Value
Series Z
2.40%, 09/01/26 (Call 06/01/26)	$	860	$	791,088
CenterPoint Energy Inc.
2.50%, 09/01/22 (Call 08/01/22)		615		594,514
Cleco Corporate Holdings LLC
3.74%, 05/01/26 (Call 02/01/26)^a		295		281,639
CMS Energy Corp.
2.95%, 02/15/27 (Call 11/15/26)		220		206,851
5.05%, 03/15/22 (Call 12/15/21)		1,830		1,941,941
8.75%, 06/15/19		323		345,907
Commonwealth Edison Co.
2.55%, 06/15/26 (Call 03/15/26)^a		1,200		1,122,480
2.95%, 08/15/27 (Call 05/15/27)		1,700		1,624,605
3.10%, 11/01/24 (Call 08/01/24)		510		499,912
3.40%, 09/01/21 (Call 06/01/21)		1,410		1,428,570
4.00%, 08/01/20 (Call 05/01/20)		780		800,647
Connecticut Light & Power Co. (The)
2.50%, 01/15/23 (Call 10/15/22)		1,100		1,069,673
Series A
3.20%, 03/15/27 (Call 12/15/26)		1,250		1,222,075
Consolidated Edison Co. of New York Inc.
3.13%, 11/15/27 (Call 08/15/27)^a		1,225		1,193,175
Consolidated Edison Inc.
2.00%, 03/15/20		1,630		1,605,420
2.00%, 05/15/21 (Call 04/15/21)		2,200		2,135,078
Consumers Energy Co.
2.85%, 05/15/22 (Call 02/15/22)		560		555,783


Security	Principal (000s)		Value
3.38%, 08/15/23 (Call 05/15/23)^a	$	375	$	377,063
5.65%, 04/15/20		315		334,184
6.13%, 03/15/19		1,360		1,407,287
6.70%, 09/15/19		1,044		1,105,074
Delmarva Power & Light Co.
3.50%, 11/15/23 (Call 08/15/23)		319		322,034
Dominion Energy Inc.
2.50%, 12/01/19 (Call 11/01/19)		625		620,038
2.58%, 07/01/20^a		355		350,612
2.75%, 01/15/22 (Call 12/15/21)		1,550		1,518,458
2.96%, 07/01/19^a,e		2,155		2,159,719
3.63%, 12/01/24 (Call 09/01/24)^a		575		574,074
3.90%, 10/01/25 (Call 07/01/25)		2,840		2,864,992
4.45%, 03/15/21		1,550		1,610,465
5.20%, 08/15/19		1,680		1,730,870
Series B
1.60%, 08/15/19		4,195		4,126,076
2.75%, 09/15/22 (Call 06/15/22)		240		233,155
Series C
2.00%, 08/15/21 (Call 07/15/21)		1,550		1,490,031
Series D
2.85%, 08/15/26 (Call 05/15/26)^a		2,750		2,566,465
DTE Electric Co.
3.45%, 10/01/20 (Call 07/01/20)		475		482,215
3.80%, 03/15/27 (Call 12/15/26)		1,560		1,560,718
3.90%, 06/01/21 (Call 03/01/21)		405		415,522
DTE Energy Co.
1.50%, 10/01/19		455		446,369
2.40%, 12/01/19 (Call 11/01/19)		1,005		997,081
2.85%, 10/01/26 (Call 07/01/26)		1,260		1,170,565


Security	Principal (000s)		Value
3.30%, 06/15/22 (Call 04/15/22)	$	170	$	169,519
3.85%, 12/01/23 (Call 09/01/23)		625		638,275
Series C
3.50%, 06/01/24 (Call 03/01/24)		1,130		1,126,723
Duke Energy Carolinas LLC
2.50%, 03/15/23 (Call 01/15/23)^a		1,804		1,750,926
2.95%, 12/01/26 (Call 09/01/26)		330		316,411
3.05%, 03/15/23 (Call 02/15/23)		3,005		2,995,504
3.90%, 06/15/21 (Call 03/15/21)		805		830,969
Duke Energy Corp.
1.80%, 09/01/21 (Call 08/01/21)		2,530		2,422,399
2.65%, 09/01/26 (Call 06/01/26)		2,555		2,344,136
3.05%, 08/15/22 (Call 05/15/22)		994		986,058
3.15%, 08/15/27 (Call 05/15/27)		128		121,203
3.55%, 09/15/21 (Call 06/15/21)		1,995		2,024,506
3.75%, 04/15/24 (Call 01/15/24)		2,080		2,107,810
3.95%, 10/15/23 (Call 07/15/23)^a		2,810		2,884,493
5.05%, 09/15/19		925		956,718
Duke Energy Florida LLC
1.85%, 01/15/20		495		487,501
3.10%, 08/15/21 (Call 05/15/21)		560		564,273
3.20%, 01/15/27 (Call 10/15/26)		1,300		1,267,734
4.55%, 04/01/20		65		67,387
Duke Energy Indiana LLC
3.75%, 07/15/20		750		766,650
Duke Energy Ohio Inc.
3.80%, 09/01/23 (Call 06/01/23)^a		1,050		1,078,928


Security	Principal (000s)		Value
5.45%, 04/01/19	$	1,400	$	1,440,642
Duke Energy Progress LLC
2.80%, 05/15/22 (Call 02/15/22)		928		921,216
3.00%, 09/15/21 (Call 06/15/21)		750		753,090
3.25%, 08/15/25 (Call 05/15/25)		280		277,063
Edison International
2.13%, 04/15/20		2,500		2,462,850
2.40%, 09/15/22 (Call 08/15/22)		1,970		1,892,934
2.95%, 03/15/23 (Call 01/15/23)		410		400,722
Emera U.S. Finance LP
2.15%, 06/15/19		200		198,062
2.70%, 06/15/21 (Call 05/15/21)		2,535		2,487,291
3.55%, 06/15/26 (Call 03/15/26)		2,325		2,235,627
Enel Generacion Chile SA
4.25%, 04/15/24 (Call 01/15/24)		100		101,603
Entergy Arkansas Inc.
3.50%, 04/01/26 (Call 01/01/26)		1,175		1,172,685
3.70%, 06/01/24 (Call 03/01/24)		900		918,189
3.75%, 02/15/21 (Call 11/15/20)		910		929,629
Entergy Corp.
5.13%, 09/15/20 (Call 06/15/20)		1,000		1,046,460
Entergy Gulf States Louisiana LLC
3.95%, 10/01/20 (Call 07/01/20)		500		512,345
Entergy Louisiana LLC
2.40%, 10/01/26 (Call 07/01/26)		765		700,227
4.05%, 09/01/23 (Call 06/01/23)^a		680		701,740
Eversource Energy
2.80%, 05/01/23 (Call 02/01/23)		1,050		1,018,962


Security	Principal (000s)		Value
2.90%, 10/01/24 (Call 08/01/24)	$	570	$	546,385
4.50%, 11/15/19		425		437,342
Series H
3.15%, 01/15/25 (Call 10/15/24)		240		233,777
Exelon Corp.
2.45%, 04/15/21 (Call 03/15/21)^a		755		740,217
2.85%, 06/15/20 (Call 05/15/20)^a		1,675		1,665,687
3.40%, 04/15/26 (Call 01/15/26)^a		1,030		1,000,933
3.50%, 06/01/22 (Call 05/01/22)		1,200		1,199,148
3.95%, 06/15/25 (Call 03/15/25)		1,444		1,459,913
5.15%, 12/01/20 (Call 09/01/20)		1,300		1,361,776
Exelon Generation Co. LLC
2.95%, 01/15/20 (Call 12/15/19)^a		1,275		1,274,669
3.40%, 03/15/22 (Call 02/15/22)^a		1,980		1,984,019
4.00%, 10/01/20 (Call 07/01/20)		1,250		1,276,813
4.25%, 06/15/22 (Call 03/15/22)^a		1,872		1,930,519
5.20%, 10/01/19		1,400		1,449,602
FirstEnergy Corp.
Series A
2.85%, 07/15/22 (Call 05/15/22)		1,820		1,766,838
Series B
4.25%, 03/15/23 (Call 12/15/22)		370		380,848
Florida Power & Light Co.
2.75%, 06/01/23 (Call 12/01/22)		164		160,807
3.13%, 12/01/25 (Call 06/01/25)^a		790		778,790
3.25%, 06/01/24 (Call 12/01/23)		1,450		1,455,974


Security	Principal (000s)		Value
Fortis Inc./Canada
2.10%, 10/04/21 (Call 09/04/21)	$	3,230	$	3,106,646
3.06%, 10/04/26 (Call 07/04/26)^a		1,639		1,524,499
Georgia Power Co.
2.85%, 05/15/22		1,000		988,050
3.25%, 04/01/26 (Call 01/01/26)		275		266,255
3.25%, 03/30/27 (Call 12/30/26)		1,100		1,066,571
4.25%, 12/01/19		428		439,475
Great Plains Energy Inc.
4.85%, 06/01/21 (Call 03/01/21)		666		693,746
5.29%, 06/15/22 (Call 03/15/22)^e		375		398,925
Hydro-Quebec
8.40%, 01/15/22		615		729,169
9.40%, 02/01/21		200		235,244
Iberdrola International BV
5.81%, 03/15/25		35		38,928
Indiana Michigan Power Co.
7.00%, 03/15/19		170		177,358
Series J
3.20%, 03/15/23 (Call 12/15/22)		630		626,214
Interstate Power & Light Co.
3.25%, 12/01/24 (Call 09/01/24)		1,725		1,712,062
ITC Holdings Corp.
2.70%, 11/15/22 (Call 10/15/22)^b		830		809,001
3.25%, 06/30/26 (Call 03/30/26)		1,250		1,202,900
3.35%, 11/15/27 (Call 08/15/27)^b		1,650		1,586,326
3.65%, 06/15/24 (Call 03/15/24)		420		422,537
Kansas City Power & Light Co.
3.15%, 03/15/23 (Call 12/15/22)		646		640,593
3.65%, 08/15/25 (Call 05/15/25)		825		824,274


Security	Principal (000s)		Value
6.38%, 03/01/18	$	370	$	370,000
7.15%, 04/01/19		785		821,063
Kentucky Utilities Co.
3.25%, 11/01/20 (Call 08/01/20)		638		645,439
LG&E & KU Energy LLC
3.75%, 11/15/20 (Call 08/15/20)		300		305,517
4.38%, 10/01/21 (Call 07/01/21)		400		415,004
Louisville Gas & Electric Co.
Series 25
3.30%, 10/01/25 (Call 07/01/25)		525		518,763
MidAmerican Energy Co.
2.40%, 03/15/19 (Call 02/15/19)		1,500		1,496,820
3.50%, 10/15/24 (Call 07/15/24)		1,010		1,027,766
3.70%, 09/15/23 (Call 06/15/23)		247		250,843
Nevada Power Co.
7.13%, 03/15/19		975		1,020,162
NextEra Energy Capital Holdings Inc.
2.30%, 04/01/19		240		239,006
2.40%, 09/15/19 (Call 08/15/19)		955		950,005
3.55%, 05/01/27 (Call 02/01/27)^a		1,270		1,243,635
3.63%, 06/15/23 (Call 03/15/23)		555		558,247
4.50%, 06/01/21 (Call 03/01/21)		680		706,744
Northern States Power Co./MN
2.15%, 08/15/22 (Call 02/15/22)		315		303,433
NSTAR Electric Co.
2.38%, 10/15/22 (Call 07/15/22)		500		483,470
3.20%, 05/15/27 (Call 02/15/27)^a		2,080		2,022,093
NV Energy Inc.
6.25%, 11/15/20		460		497,987


Security	Principal (000s)		Value
Oglethorpe Power Corp.
6.10%, 03/15/19	$	650	$	671,223
Ohio Power Co.
Series M
5.38%, 10/01/21		630		681,314
Oncor Electric Delivery Co. LLC
2.15%, 06/01/19 (Call 05/01/19)		205		203,110
4.10%, 06/01/22 (Call 03/01/22)		685		707,913
7.00%, 09/01/22		1,500		1,731,690
Pacific Gas & Electric Co.
2.45%, 08/15/22 (Call 05/15/22)		1,285		1,235,682
3.25%, 09/15/21 (Call 06/15/21)		148		148,392
3.30%, 12/01/27 (Call 09/01/27)^a,b		1,995		1,889,105
3.40%, 08/15/24 (Call 05/15/24)		340		335,770
3.50%, 10/01/20 (Call 07/01/20)^a		1,906		1,928,700
3.50%, 06/15/25 (Call 03/15/25)		705		690,117
3.75%, 02/15/24 (Call 11/15/23)^a		820		826,929
4.25%, 05/15/21 (Call 02/15/21)		1,100		1,133,957
PacifiCorp
2.95%, 02/01/22 (Call 11/01/21)		1,090		1,089,924
3.35%, 07/01/25 (Call 04/01/25)		250		247,495
3.85%, 06/15/21 (Call 03/15/21)		1,070		1,100,442
PECO Energy Co.
1.70%, 09/15/21 (Call 08/15/21)		1,000		958,040
2.38%, 09/15/22 (Call 06/15/22)		1,000		972,190
3.15%, 10/15/25 (Call 07/15/25)		1,650		1,614,409
Pennsylvania Electric Co.
5.20%, 04/01/20		400		416,600


Security	Principal (000s)		Value
PG&E Corp.
2.40%, 03/01/19 (Call 02/01/19)^a	$	1,180	$	1,174,336
Pinnacle West Capital Corp.
2.25%, 11/30/20		1,000		982,190
Portland General Electric Co.
6.10%, 04/15/19		400		414,860
Potomac Electric Power Co.
3.60%, 03/15/24 (Call 12/15/23)		1,090		1,109,369
PPL Capital Funding Inc.
3.10%, 05/15/26 (Call 02/15/26)		1,100		1,045,693
3.40%, 06/01/23 (Call 03/01/23)		555		553,746
3.95%, 03/15/24 (Call 12/15/23)		280		285,835
4.20%, 06/15/22 (Call 03/15/22)		1,935		1,999,300
PPL Electric Utilities Corp.
3.00%, 09/15/21 (Call 06/15/21)		800		801,680
Progress Energy Inc.
3.15%, 04/01/22 (Call 01/01/22)		830		826,224
4.40%, 01/15/21 (Call 10/15/20)		2,205		2,281,050
4.88%, 12/01/19		450		465,048
7.05%, 03/15/19		763		796,595
PSEG Power LLC
3.00%, 06/15/21 (Call 05/15/21)		360		359,413
5.13%, 04/15/20		1,068		1,116,818
Public Service Co. of Colorado
2.25%, 09/15/22 (Call 03/15/22)		2,000		1,924,540
2.90%, 05/15/25 (Call 11/15/24)		360		345,233
3.20%, 11/15/20 (Call 05/15/20)		23		23,225
5.13%, 06/01/19		340		350,173
Public Service Co. of Oklahoma
4.40%, 02/01/21		125		129,650
5.15%, 12/01/19		640		664,518


Security	Principal (000s)		Value
Public Service Electric & Gas Co.
1.90%, 03/15/21 (Call 02/15/21)	$	950	$	923,704
2.25%, 09/15/26 (Call 06/15/26)^a		1,000		911,970
2.38%, 05/15/23 (Call 02/15/23)^a		486		468,426
3.00%, 05/15/25 (Call 02/15/25)^a		550		535,755
3.00%, 05/15/27 (Call 02/15/27)		1,390		1,331,078
3.15%, 08/15/24 (Call 05/15/24)		135		133,152
Public Service Enterprise Group Inc.
1.60%, 11/15/19		120		117,559
2.00%, 11/15/21 (Call 10/15/21)		1,200		1,148,280
2.65%, 11/15/22 (Call 10/15/22)		600		583,806
Puget Energy Inc.
3.65%, 05/15/25 (Call 02/15/25)		365		364,007
5.63%, 07/15/22 (Call 04/15/22)		800		867,360
6.00%, 09/01/21		285		309,972
San Diego Gas & Electric Co.
2.50%, 05/15/26 (Call 02/15/26)		1,000		931,400
3.00%, 08/15/21		154		154,707
Sierra Pacific Power Co.
2.60%, 05/01/26 (Call 02/01/26)		2,105		1,970,238
Southern California Edison Co.
1.85%, 02/01/22		186		181,928
2.90%, 03/01/21		1,000		999,580
3.65%, 03/01/28		1,000		998,180
3.88%, 06/01/21 (Call 03/01/21)		167		171,754
Series C
3.50%, 10/01/23 (Call 07/01/23)^a		1,145		1,154,458


Security	Principal (000s)		Value
Southern Co. (The)
1.85%, 07/01/19	$	2,395	$	2,368,272
2.15%, 09/01/19 (Call 08/01/19)		1,945		1,928,215
2.35%, 07/01/21 (Call 06/01/21)^a		3,700		3,597,140
2.75%, 06/15/20 (Call 05/15/20)		340		337,882
3.25%, 07/01/26 (Call 04/01/26)		3,332		3,172,530
Southern Power Co.
1.95%, 12/15/19		2,925		2,876,182
2.38%, 06/01/20 (Call 05/01/20)		3,785		3,734,167
2.50%, 12/15/21 (Call 11/15/21)		1,250		1,215,625
4.15%, 12/01/25 (Call 09/01/25)		775		796,855
Southwestern Electric Power Co.
3.55%, 02/15/22 (Call 11/15/21)		410		413,698
Series K
2.75%, 10/01/26 (Call 07/01/26)		1,785		1,664,673
Tampa Electric Co.
2.60%, 09/15/22 (Call 06/15/22)		370		355,851
5.40%, 05/15/21		400		427,388
TECO Finance Inc.
5.15%, 03/15/20		845		878,724
TransAlta Corp.
4.50%, 11/15/22 (Call 08/15/22)		687		695,794
Tucson Electric Power Co.
3.05%, 03/15/25 (Call 12/15/24)^a		401		384,647
5.15%, 11/15/21 (Call 08/15/21)		475		504,854
UIL Holdings Corp.
4.63%, 10/01/20		410		424,612
Union Electric Co.
2.95%, 06/15/27 (Call 03/15/27)		2,300		2,207,609


Security	Principal (000s)		Value
3.50%, 04/15/24 (Call 01/15/24)	$	371	$	376,420
Virginia Electric & Power Co.
2.95%, 01/15/22 (Call 10/15/21)		550		546,656
2.95%, 11/15/26 (Call 08/15/26)^a		895		853,553
3.10%, 05/15/25 (Call 02/15/25)		575		561,476
3.45%, 02/15/24 (Call 11/15/23)		387		389,469
5.00%, 06/30/19		500		514,265
Series A
3.15%, 01/15/26 (Call 10/15/25)		1,445		1,408,340
3.50%, 03/15/27 (Call 12/15/26)^a		735		730,303
WEC Energy Group Inc.
2.45%, 06/15/20 (Call 05/15/20)		305		302,679
Westar Energy Inc.
2.55%, 07/01/26 (Call 04/01/26)		1,000		930,510
3.10%, 04/01/27 (Call 01/01/27)		340		329,644
3.25%, 12/01/25 (Call 09/01/25)		305		297,579
5.10%, 07/15/20		340		357,432
Wisconsin Electric Power Co.
2.95%, 09/15/21 (Call 06/15/21)		685		685,171
Wisconsin Power & Light Co.
3.05%, 10/15/27 (Call 07/15/27)		1,255		1,209,494
Xcel Energy Inc.
2.40%, 03/15/21 (Call 02/15/21)		4,050		3,982,405
2.60%, 03/15/22 (Call 02/15/22)		1,000		979,290
3.35%, 12/01/26 (Call 06/01/26)		1,050		1,028,234
4.70%, 05/15/20 (Call 11/15/19)		650		670,202

				258,662,594


Security	Principal (000s)		Value
ELECTRICAL COMPONENTS & EQUIPMENT — 0.11%
Emerson Electric Co.
2.63%, 12/01/21 (Call 11/01/21)	$	192	$	190,138
2.63%, 02/15/23 (Call 11/15/22)		1,412		1,378,253
3.15%, 06/01/25 (Call 03/01/25)		650		642,239
4.25%, 11/15/20		125		129,736
4.88%, 10/15/19		1,450		1,500,735
Hubbell Inc.
3.35%, 03/01/26 (Call 12/01/25)		1,000		978,170
3.50%, 02/15/28 (Call 11/15/27)		2,640		2,576,957
Legrand France SA
8.50%, 02/15/25^a		550		694,364

				8,090,592
ELECTRONICS — 0.59%
Agilent Technologies Inc.
3.05%, 09/22/26 (Call 06/22/26)^a		1,470		1,369,614
3.88%, 07/15/23 (Call 04/15/23)		231		234,749
5.00%, 07/15/20		565		591,527
Allegion U.S. Holding Co. Inc.
3.20%, 10/01/24 (Call 08/01/24)		1,800		1,740,762
Amphenol Corp.
3.13%, 09/15/21 (Call 08/15/21)		1,745		1,747,879
3.20%, 04/01/24 (Call 02/01/24)		190		186,111
4.00%, 02/01/22 (Call 11/01/21)		465		476,667
Arrow Electronics Inc.
3.25%, 09/08/24 (Call 07/08/24)		1,905		1,825,885
3.50%, 04/01/22 (Call 02/01/22)		1,000		995,010
4.00%, 04/01/25 (Call 01/01/25)^a		210		208,755
4.50%, 03/01/23 (Call 12/01/22)^a		525		540,845


Security	Principal (000s)		Value
Avnet Inc.
4.63%, 04/15/26 (Call 01/15/26)	$	1,097	$	1,109,912
4.88%, 12/01/22		945		983,414
5.88%, 06/15/20		675		711,227
Corning Inc.
2.90%, 05/15/22 (Call 03/15/22)		500		493,845
3.70%, 11/15/23 (Call 08/15/23)^a		446		450,268
4.25%, 08/15/20		600		618,294
6.63%, 05/15/19		110		114,874
Flex Ltd.
4.63%, 02/15/20		400		411,504
4.75%, 06/15/25 (Call 03/15/25)^a		1,410		1,468,162
5.00%, 02/15/23		1,115		1,175,478
FLIR Systems Inc.
3.13%, 06/15/21 (Call 05/15/21)		395		393,329
Fortive Corp.
1.80%, 06/15/19		1,015		1,003,825
2.35%, 06/15/21 (Call 05/15/21)		980		954,745
3.15%, 06/15/26 (Call 03/15/26)^a		1,090		1,054,281
Honeywell International Inc.
1.40%, 10/30/19		115		112,823
1.85%, 11/01/21 (Call 10/01/21)		5,650		5,442,249
2.50%, 11/01/26 (Call 08/01/26)		2,865		2,648,005
4.25%, 03/01/21		1,015		1,060,117
Jabil Inc.
3.95%, 01/12/28 (Call 10/12/27)		2,000		1,919,980
4.70%, 09/15/22		1,100		1,138,720
5.63%, 12/15/20		1,200		1,273,128
Keysight Technologies Inc.
3.30%, 10/30/19 (Call 09/30/19)		465		466,479
4.55%, 10/30/24 (Call 07/30/24)		1,110		1,150,237


Security	Principal (000s)		Value
4.60%, 04/06/27 (Call 01/06/27)	$	1,950	$	2,011,659
Koninklijke Philips NV
3.75%, 03/15/22		771		786,960
PerkinElmer Inc.
5.00%, 11/15/21 (Call 08/15/21)		325		340,418
Tech Data Corp.
4.95%, 02/15/27 (Call 11/16/26)^a		1,630		1,670,114
Trimble Inc.
4.75%, 12/01/24 (Call 09/01/24)		900		943,380
Tyco Electronics Group SA
3.13%, 08/15/27 (Call 05/15/27)		595		574,229
3.70%, 02/15/26 (Call 11/15/25)		195		197,256

				42,596,716
ENGINEERING & CONSTRUCTION — 0.05%
ABB Finance USA Inc.
2.88%, 05/08/22		1,246		1,241,651
Fluor Corp.
3.38%, 09/15/21		1,975		1,993,111
3.50%, 12/15/24 (Call 09/15/24)^a		455		457,048

				3,691,810
ENVIRONMENTAL CONTROL — 0.18%
Republic Services Inc.
2.90%, 07/01/26 (Call 04/01/26)		1,000		943,690
3.20%, 03/15/25 (Call 12/15/24)^a		480		468,677
3.38%, 11/15/27 (Call 08/15/27)		780		756,569
3.55%, 06/01/22 (Call 03/01/22)		1,146		1,157,758
4.75%, 05/15/23 (Call 02/15/23)		750		795,937
5.00%, 03/01/20^a		529		551,065
5.25%, 11/15/21		795		851,198
5.50%, 09/15/19		770		802,255


Security	Principal (000s)		Value
Waste Management Inc.
2.90%, 09/15/22 (Call 06/15/22)^a	$	1,794	$	1,776,347
3.13%, 03/01/25 (Call 12/01/24)		1,300		1,269,554
3.15%, 11/15/27 (Call 08/15/27)		1,740		1,659,856
3.50%, 05/15/24 (Call 02/15/24)		575		578,283
4.60%, 03/01/21 (Call 12/01/20)		950		991,724
4.75%, 06/30/20		550		573,276

				13,176,189
FOOD — 0.92%
Campbell Soup Co.
3.30%, 03/19/25 (Call 12/19/24)^a		1,510		1,484,194
4.25%, 04/15/21		575		593,400
Conagra Brands Inc.
3.20%, 01/25/23 (Call 10/25/22)		532		528,350
Flowers Foods Inc.
4.38%, 04/01/22 (Call 01/01/22)		1,025		1,059,255
General Mills Inc.
2.20%, 10/21/19^a		350		346,917
2.60%, 10/12/22 (Call 09/12/22)		1,500		1,449,240
3.15%, 12/15/21 (Call 09/15/21)		1,246		1,245,726
3.20%, 02/10/27 (Call 11/10/26)^a		1,130		1,077,557
3.65%, 02/15/24 (Call 11/15/23)		425		433,521
Hershey Co. (The)
2.30%, 08/15/26 (Call 05/15/26)		360		327,312
3.20%, 08/21/25 (Call 05/21/25)		280		275,890
4.13%, 12/01/20		510		529,054
Ingredion Inc.
3.20%, 10/01/26 (Call 07/01/26)		400		380,824


Security	Principal (000s)		Value
4.63%, 11/01/20	$	375	$	389,370
JM Smucker Co. (The)
2.50%, 03/15/20		515		511,750
3.00%, 03/15/22^a		500		494,915
3.50%, 10/15/21		650		660,062
3.50%, 03/15/25		2,625		2,604,105
Kellogg Co.
2.65%, 12/01/23^a		2,175		2,112,947
3.25%, 04/01/26		2,025		1,934,665
3.40%, 11/15/27 (Call 08/15/27)		1,650		1,576,690
4.00%, 12/15/20		1,031		1,059,033
4.15%, 11/15/19		900		920,403
Kraft Heinz Foods Co.
2.80%, 07/02/20 (Call 06/02/20)^a		2,368		2,354,550
3.00%, 06/01/26 (Call 03/01/26)		5,360		4,933,451
3.50%, 06/06/22		2,344		2,346,719
3.50%, 07/15/22 (Call 05/15/22)		1,850		1,848,427
3.95%, 07/15/25 (Call 04/15/25)^a		1,495		1,479,781
Kroger Co. (The)
2.60%, 02/01/21 (Call 01/01/21)		160		158,082
2.65%, 10/15/26 (Call 07/15/26)^a		2,130		1,922,964
2.80%, 08/01/22 (Call 07/01/22)		520		508,492
2.95%, 11/01/21 (Call 10/01/21)		1,260		1,252,226
3.30%, 01/15/21 (Call 12/15/20)		2,430		2,446,354
3.40%, 04/15/22 (Call 01/15/22)		1,350		1,354,833
3.85%, 08/01/23 (Call 05/01/23)		525		535,941
4.00%, 02/01/24 (Call 11/01/23)		985		1,004,917
6.15%, 01/15/20		2,605		2,756,663
McCormick & Co. Inc./MD
2.70%, 08/15/22 (Call 07/15/22)		515		504,237


Security	Principal (000s)		Value
3.15%, 08/15/24 (Call 06/15/24)^a	$	1,000	$	979,980
3.40%, 08/15/27 (Call 05/15/27)		1,450		1,407,152
Mondelez International Inc.
5.38%, 02/10/20		250		261,428
Sysco Corp.
1.90%, 04/01/19		200		198,514
2.50%, 07/15/21 (Call 06/15/21)^a		1,064		1,047,029
2.60%, 10/01/20 (Call 09/01/20)		1,135		1,126,896
2.60%, 06/12/22		950		927,913
3.25%, 07/15/27 (Call 04/15/27)		1,800		1,737,324
3.30%, 07/15/26 (Call 04/15/26)		2,260		2,199,455
3.75%, 10/01/25 (Call 07/01/25)		585		591,406
Tyson Foods Inc.
2.25%, 08/23/21 (Call 07/23/21)		1,675		1,627,597
2.65%, 08/15/19 (Call 07/15/19)		492		490,819
3.55%, 06/02/27 (Call 03/02/27)		1,590		1,549,407
3.95%, 08/15/24 (Call 05/15/24)		2,575		2,618,852
4.50%, 06/15/22 (Call 03/15/22)		2,150		2,245,890

				66,412,479
FOREST PRODUCTS & PAPER — 0.11%
Domtar Corp.
4.40%, 04/01/22 (Call 01/01/22)^a		70		72,417
Fibria Overseas Finance Ltd.
5.25%, 05/12/24		1,100		1,154,692
5.50%, 01/17/27^a		545		573,689
Georgia-Pacific LLC
8.00%, 01/15/24		1,250		1,549,900
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)		50		46,661


Security	Principal (000s)		Value
3.65%, 06/15/24 (Call 03/15/24)	$	950	$	958,189
3.80%, 01/15/26 (Call 10/15/25)		2,500		2,510,950
4.75%, 02/15/22 (Call 11/15/21)		213		224,321
7.50%, 08/15/21^a		416		474,806

				7,565,625
GAS — 0.36%
Atmos Energy Corp.
3.00%, 06/15/27 (Call 03/15/27)		805		776,334
8.50%, 03/15/19		168		177,930
CenterPoint Energy Resources Corp.
4.50%, 01/15/21 (Call 10/15/20)		212		218,998
Dominion Energy Gas Holdings LLC
2.50%, 12/15/19 (Call 11/15/19)		1,800		1,789,398
2.80%, 11/15/20 (Call 10/15/20)^a		930		925,276
National Fuel Gas Co.
3.75%, 03/01/23 (Call 12/01/22)		1,220		1,212,668
3.95%, 09/15/27 (Call 06/15/27)		1,945		1,862,551
4.90%, 12/01/21 (Call 09/01/21)		1,130		1,166,239
8.75%, 05/01/19		110		117,039
NiSource Inc.
3.49%, 05/15/27 (Call 02/15/27)		845		827,466
3.85%, 02/15/23 (Call 11/15/22)^a		325		331,978
ONE Gas Inc.
3.61%, 02/01/24 (Call 11/01/23)		425		429,781
Sempra Energy
1.63%, 10/07/19		3,624		3,554,021
2.40%, 03/15/20 (Call 02/15/20)		1,425		1,410,251


Security	Principal (000s)		Value
2.88%, 10/01/22 (Call 07/01/22)	$	1,650	$	1,623,089
2.90%, 02/01/23 (Call 01/01/23)		460		451,784
3.25%, 06/15/27 (Call 03/15/27)		1,500		1,435,290
3.40%, 02/01/28 (Call 10/01/27)		2,480		2,367,309
3.55%, 06/15/24 (Call 03/15/24)		500		499,405
Southern California Gas Co.
2.60%, 06/15/26 (Call 03/15/26)		1,140		1,066,196
3.15%, 09/15/24 (Call 06/15/24)		1,305		1,297,953
3.20%, 06/15/25 (Call 03/15/25)		475		468,041
Southern Co. Gas Capital Corp.
2.45%, 10/01/23 (Call 08/01/23)		214		202,251
3.25%, 06/15/26 (Call 03/15/26)^a		250		238,330
3.50%, 09/15/21 (Call 06/15/21)		750		754,763
5.25%, 08/15/19		550		567,507

				25,771,848
HAND & MACHINE TOOLS — 0.05%
Kennametal Inc.
2.65%, 11/01/19 (Call 10/01/19)		708		703,724
3.88%, 02/15/22 (Call 11/15/21)^a		692		692,304
Snap-On Inc.
6.13%, 09/01/21		125		138,458
Stanley Black & Decker Inc.
2.90%, 11/01/22		115		113,768
3.40%, 12/01/21 (Call 09/01/21)		2,203		2,232,102

				3,880,356
HEALTH CARE – PRODUCTS — 1.80%
Abbott Laboratories
2.00%, 03/15/20		1,130		1,111,615
2.35%, 11/22/19		5,850		5,814,139


Security	Principal (000s)		Value
2.55%, 03/15/22	$	2,848	$	2,777,854
2.80%, 09/15/20 (Call 08/15/20)		990		987,723
2.90%, 11/30/21 (Call 10/30/21)^a		7,950		7,884,492
2.95%, 03/15/25 (Call 12/15/24)^a		1,690		1,614,795
3.25%, 04/15/23 (Call 01/15/23)^a		2,515		2,499,457
3.40%, 11/30/23 (Call 09/30/23)^a		2,650		2,641,811
3.75%, 11/30/26 (Call 08/30/26)^a		3,380		3,347,755
4.13%, 05/27/20		870		893,455
5.13%, 04/01/19		343		352,261
Baxter International Inc.
1.70%, 08/15/21 (Call 07/15/21)		2,050		1,959,534
2.60%, 08/15/26 (Call 05/15/26)		1,500		1,374,195
Becton Dickinson and Co.
2.13%, 06/06/19		275		272,641
2.68%, 12/15/19		4,859		4,837,475
2.89%, 06/06/22 (Call 05/06/22)^a		2,225		2,167,528
3.13%, 11/08/21		2,577		2,545,741
3.25%, 11/12/20		2,075		2,074,917
3.36%, 06/06/24 (Call 04/06/24)		2,619		2,530,844
3.70%, 06/06/27 (Call 03/06/27)^a		3,679		3,526,579
3.73%, 12/15/24 (Call 09/15/24)		2,870		2,828,930
Boston Scientific Corp.
2.85%, 05/15/20		280		279,171
3.85%, 05/15/25		2,600		2,613,780
4.00%, 03/01/28 (Call 12/01/27)		1,500		1,495,665
4.13%, 10/01/23 (Call 07/01/23)		525		538,456
6.00%, 01/15/20		407		429,702
Covidien International Finance SA
3.20%, 06/15/22 (Call 03/15/22)		475		476,169


Security	Principal (000s)		Value
4.20%, 06/15/20	$	2,225	$	2,291,616
Danaher Corp.
2.40%, 09/15/20 (Call 08/15/20)		585		581,081
3.35%, 09/15/25 (Call 06/15/25)^a		520		522,486
Life Technologies Corp.
5.00%, 01/15/21 (Call 10/15/20)		1,546		1,619,358
6.00%, 03/01/20		2,184		2,312,157
Medtronic Global Holdings SCA
1.70%, 03/28/19		100		99,068
3.35%, 04/01/27 (Call 01/01/27)		3,555		3,509,496
Medtronic Inc.
2.50%, 03/15/20		3,950		3,928,077
2.75%, 04/01/23 (Call 01/01/23)^a		2,850		2,794,197
3.13%, 03/15/22 (Call 12/15/21)		1,450		1,452,030
3.15%, 03/15/22		1,830		1,833,020
3.50%, 03/15/25		4,940		4,934,912
3.63%, 03/15/24 (Call 12/15/23)		3,912		3,973,849
4.13%, 03/15/21 (Call 12/15/20)		2,100		2,167,137
4.45%, 03/15/20^a		794		820,027
5.60%, 03/15/19		750		771,630
Stryker Corp.
2.00%, 03/08/19		3,075		3,059,133
2.63%, 03/15/21 (Call 02/15/21)		640		632,595
3.38%, 05/15/24 (Call 02/15/24)		1,175		1,173,543
3.38%, 11/01/25 (Call 08/01/25)		924		912,404
3.50%, 03/15/26 (Call 12/15/25)^a		2,175		2,168,975
3.65%, 03/07/28 (Call 12/07/27)		1,500		1,498,980
4.38%, 01/15/20^a		560		577,130
Thermo Fisher Scientific Inc.
2.95%, 09/19/26 (Call 06/19/26)		4,657		4,353,690


Security	Principal (000s)		Value
3.00%, 04/15/23 (Call 02/15/23)	$	1,195	$	1,172,618
3.15%, 01/15/23 (Call 10/15/22)		1,250		1,239,900
3.20%, 08/15/27 (Call 05/15/27)		1,425		1,353,864
3.30%, 02/15/22		130		130,203
3.60%, 08/15/21 (Call 05/15/21)		679		689,572
3.65%, 12/15/25 (Call 09/15/25)		2,780		2,768,046
4.15%, 02/01/24 (Call 11/01/23)^a		1,780		1,834,610
4.50%, 03/01/21		1,463		1,525,178
4.70%, 05/01/20		900		934,110
Zimmer Biomet Holdings Inc.
2.70%, 04/01/20 (Call 03/01/20)^a		1,075		1,067,206
3.15%, 04/01/22 (Call 02/01/22)		1,670		1,644,816
3.38%, 11/30/21 (Call 08/30/21)		1,485		1,481,198
3.55%, 04/01/25 (Call 01/01/25)^a		3,275		3,181,073
4.63%, 11/30/19		2,500		2,571,575

				129,457,244
HEALTH CARE – SERVICES — 1.12%
Aetna Inc.
2.20%, 03/15/19 (Call 02/15/19)		1,715		1,704,247
2.75%, 11/15/22 (Call 08/15/22)^a		2,185		2,120,608
2.80%, 06/15/23 (Call 04/15/23)		2,031		1,948,135
3.50%, 11/15/24 (Call 08/15/24)		1,385		1,359,294
4.13%, 06/01/21 (Call 03/01/21)		1,100		1,129,150
Anthem Inc.
2.25%, 08/15/19		305		302,688
2.50%, 11/21/20		370		365,260
2.95%, 12/01/22 (Call 11/01/22)		970		950,639


Security	Principal (000s)		Value
3.13%, 05/15/22^a	$	1,446	$	1,435,849
3.30%, 01/15/23^a		2,111		2,097,236
3.35%, 12/01/24 (Call 10/01/24)^a		1,705		1,664,199
3.50%, 08/15/24 (Call 05/15/24)		2,410		2,385,514
3.70%, 08/15/21 (Call 05/15/21)		1,350		1,371,978
4.10%, 03/01/28		1,085		1,086,790
4.35%, 08/15/20		1,200		1,240,224
Catholic Health Initiatives
2.95%, 11/01/22		827		803,703
Cigna Corp.
3.05%, 10/15/27 (Call 07/15/27)		1,975		1,827,112
3.25%, 04/15/25 (Call 01/15/25)		3,053		2,937,047
4.00%, 02/15/22 (Call 11/15/21)		924		950,112
4.38%, 12/15/20 (Call 09/15/20)		565		584,074
4.50%, 03/15/21 (Call 12/15/20)		621		644,592
5.13%, 06/15/20		288		301,775
Coventry Health Care Inc.
5.45%, 06/15/21 (Call 03/15/21)		1,352		1,437,352
Dignity Health
3.13%, 11/01/22		1,050		1,032,392
Howard Hughes Medical Institute
3.50%, 09/01/23		327		333,887
Humana Inc.
2.50%, 12/15/20		610		601,686
2.63%, 10/01/19		320		319,766
2.90%, 12/15/22 (Call 11/15/22)		505		493,930
3.15%, 12/01/22 (Call 09/01/22)^a		1,158		1,147,810
3.85%, 10/01/24 (Call 07/01/24)^a		1,260		1,270,382
3.95%, 03/15/27 (Call 12/15/26)^a		1,540		1,530,714
Kaiser Foundation Hospitals
3.50%, 04/01/22		320		324,650


Security	Principal (000s)		Value
Laboratory Corp. of America Holdings
2.63%, 02/01/20	$	150	$	149,234
3.20%, 02/01/22		325		324,402
3.25%, 09/01/24 (Call 07/01/24)		2,750		2,678,308
3.60%, 02/01/25 (Call 11/01/24)		2,135		2,102,505
3.60%, 09/01/27 (Call 06/01/27)^a		1,745		1,690,364
3.75%, 08/23/22 (Call 05/23/22)		1,140		1,159,004
4.63%, 11/15/20 (Call 08/15/20)		950		986,917
Quest Diagnostics Inc.
2.50%, 03/30/20 (Call 02/29/20)		280		277,948
3.45%, 06/01/26 (Call 03/01/26)^a		2,460		2,379,681
3.50%, 03/30/25 (Call 12/30/24)		1,910		1,883,470
4.25%, 04/01/24 (Call 01/01/24)		125		129,325
4.70%, 04/01/21		475		497,363
4.75%, 01/30/20		150		155,300
UnitedHealth Group Inc.
1.63%, 03/15/19		1,385		1,372,327
2.13%, 03/15/21		150		146,742
2.30%, 12/15/19		785		780,863
2.70%, 07/15/20		1,590		1,587,949
2.75%, 02/15/23 (Call 11/15/22)^a		1,775		1,740,228
2.88%, 12/15/21		1,440		1,434,082
2.88%, 03/15/22 (Call 12/15/21)		4,070		4,044,644
2.95%, 10/15/27^a		1,500		1,423,380
3.10%, 03/15/26		3,811		3,691,830
3.35%, 07/15/22		4,185		4,224,213
3.38%, 11/15/21 (Call 08/15/21)		2,250		2,279,025
3.38%, 04/15/27^a		1,850		1,821,288
3.45%, 01/15/27^a		1,350		1,336,703
3.75%, 07/15/25		1,345		1,363,803


Security	Principal (000s)		Value
3.88%, 10/15/20 (Call 07/15/20)	$	550	$	564,025
4.70%, 02/15/21 (Call 11/15/20)^a		900		943,020

				80,870,738
HOLDING COMPANIES – DIVERSIFIED — 0.11%
Apollo Investment Corp.
5.25%, 03/03/25		1,325		1,330,340
Ares Capital Corp.
3.63%, 01/19/22 (Call 12/19/21)		1,714		1,689,044
3.88%, 01/15/20 (Call 12/15/19)		2,515		2,539,068
4.25%, 03/01/25 (Call 01/01/25)		1,000		979,680
FS Investment Corp.
4.00%, 07/15/19		766		769,317
Prospect Capital Corp.
5.00%, 07/15/19		912		925,698

				8,233,147
HOME BUILDERS — 0.07%
DR Horton Inc.
2.55%, 12/01/20		100		98,793
3.75%, 03/01/19 (Call 12/01/18)		440		443,164
4.00%, 02/15/20		150		153,223
4.75%, 02/15/23 (Call 11/15/22)		1,000		1,054,620
5.75%, 08/15/23 (Call 05/15/23)^a		1,500		1,655,730
NVR Inc.
3.95%, 09/15/22 (Call 06/15/22)		1,400		1,433,264

				4,838,794
HOME FURNISHINGS — 0.04%
Leggett & Platt Inc.
3.50%, 11/15/27 (Call 08/15/27)		1,575		1,515,796
3.80%, 11/15/24 (Call 08/15/24)		1,000		995,250
Whirlpool Corp.
3.70%, 05/01/25		70		70,053
4.85%, 06/15/21		230		241,953

				2,823,052


Security	Principal (000s)		Value
HOUSEHOLD PRODUCTS & WARES — 0.15%
Church & Dwight Co. Inc.
2.45%, 08/01/22 (Call 07/01/22)	$	1,345	$	1,302,431
2.88%, 10/01/22		1,000		981,930
3.15%, 08/01/27 (Call 05/01/27)		1,850		1,744,198
Clorox Co. (The)
3.05%, 09/15/22 (Call 06/15/22)		750		748,770
3.10%, 10/01/27 (Call 07/01/27)		1,500		1,445,580
3.50%, 12/15/24 (Call 09/15/24)		1,220		1,226,869
3.80%, 11/15/21		685		702,920
Kimberly-Clark Corp.
1.90%, 05/22/19		520		515,876
2.40%, 03/01/22		720		702,972
2.75%, 02/15/26^a		850		809,208
3.05%, 08/15/25		790		773,126

				10,953,880
HOUSEWARES — 0.12%
Newell Brands Inc.
2.88%, 12/01/19 (Call 11/01/19)		787		786,905
3.15%, 04/01/21 (Call 03/01/21)		180		178,151
3.85%, 04/01/23 (Call 02/01/23)		1,930		1,922,840
3.90%, 11/01/25 (Call 08/01/25)		650		631,124
4.00%, 06/15/22 (Call 03/15/22)		496		503,207
4.00%, 12/01/24 (Call 09/01/24)		390		385,882
4.20%, 04/01/26 (Call 01/01/26)^a		3,170		3,137,476
Tupperware Brands Corp.
4.75%, 06/01/21 (Call 03/01/21)		780		805,599

				8,351,184


Security	Principal (000s)		Value
INSURANCE — 2.27%
AEGON Funding Co. LLC
5.75%, 12/15/20	$	680	$	727,158
Aflac Inc.
2.40%, 03/16/20		1,119		1,110,406
2.88%, 10/15/26 (Call 07/15/26)^a		1,500		1,422,480
3.25%, 03/17/25		645		635,190
3.63%, 06/15/23		225		229,122
3.63%, 11/15/24^a		2,630		2,651,803
4.00%, 02/15/22^a		450		464,207
Alleghany Corp.
4.95%, 06/27/22		635		672,598
5.63%, 09/15/20		650		689,169
Allied World Assurance Co. Holdings Ltd.
4.35%, 10/29/25 (Call 07/29/25)		1,000		988,960
5.50%, 11/15/20		355		373,733
Allstate Corp. (The)
3.15%, 06/15/23		442		440,701
3.28%, 12/15/26 (Call 09/15/26)^a		1,915		1,876,700
7.45%, 05/16/19		1,123		1,183,867
(3 mo. LIBOR US + 2.938%)
5.75%, 08/15/53 (Call 08/15/23)^a,c		1,510		1,616,047
Alterra Finance LLC
6.25%, 09/30/20		450		484,043
American Financial Group Inc./OH
3.50%, 08/15/26 (Call 05/15/26)		640		617,811
American International Group Inc.
2.30%, 07/16/19 (Call 06/16/19)		3,066		3,046,316
3.30%, 03/01/21 (Call 02/01/21)^a		255		255,497
3.38%, 08/15/20		1,440		1,450,440
3.75%, 07/10/25 (Call 04/10/25)^a		2,315		2,306,365
3.90%, 04/01/26 (Call 01/01/26)		3,830		3,820,731
4.13%, 02/15/24		1,042		1,067,560


Security	Principal (000s)		Value
4.88%, 06/01/22^a	$	4,228	$	4,475,423
6.40%, 12/15/20		1,595		1,731,979
Aon Corp.
5.00%, 09/30/20		1,020		1,069,368
Aon PLC
2.80%, 03/15/21 (Call 02/15/21)		1,075		1,063,089
3.50%, 06/14/24 (Call 03/14/24)		2,220		2,211,497
3.88%, 12/15/25 (Call 09/15/25)		1,686		1,706,401
4.00%, 11/27/23 (Call 08/27/23)		1,750		1,794,818
Aspen Insurance Holdings Ltd.
4.65%, 11/15/23		500		519,575
6.00%, 12/15/20		350		373,524
Assurant Inc.
4.00%, 03/15/23		2,185		2,203,157
AXIS Specialty Finance LLC
5.88%, 06/01/20		1,190		1,260,960
AXIS Specialty Finance PLC
2.65%, 04/01/19		25		24,913
4.00%, 12/06/27 (Call 09/06/27)		1,735		1,693,169
Berkshire Hathaway Finance Corp.
1.70%, 03/15/19		3,625		3,599,589
2.90%, 10/15/20^a		126		126,566
3.00%, 05/15/22		1,480		1,480,770
4.25%, 01/15/21		983		1,021,966
Berkshire Hathaway Inc.
2.10%, 08/14/19		2,905		2,892,189
2.20%, 03/15/21 (Call 02/15/21)		3,610		3,550,796
2.75%, 03/15/23 (Call 01/15/23)^a		275		270,729
3.00%, 02/11/23^a		1,201		1,206,441
3.13%, 03/15/26 (Call 12/15/25)		1,980		1,928,758
3.40%, 01/31/22		2,833		2,886,544
3.75%, 08/15/21		43		44,353
Brighthouse Financial Inc.
3.70%, 06/22/27 (Call 03/22/27)^a,b		3,630		3,398,224


Security	Principal (000s)		Value
Brown & Brown Inc.
4.20%, 09/15/24 (Call 06/15/24)	$	500	$	509,755
Chubb INA Holdings Inc.
2.30%, 11/03/20 (Call 10/03/20)		425		419,462
2.70%, 03/13/23		180		175,968
2.88%, 11/03/22 (Call 09/03/22)		770		763,039
3.15%, 03/15/25^a		1,150		1,128,679
3.35%, 05/15/24		2,250		2,245,702
3.35%, 05/03/26 (Call 02/03/26)		1,710		1,687,223
5.90%, 06/15/19		985		1,024,420
CNA Financial Corp.
3.45%, 08/15/27 (Call 05/10/27)		2,765		2,635,294
3.95%, 05/15/24 (Call 02/15/24)		440		446,041
4.50%, 03/01/26 (Call 12/01/25)		170		175,534
5.75%, 08/15/21^a		740		800,576
5.88%, 08/15/20		1,164		1,240,882
Fidelity National Financial Inc.
5.50%, 09/01/22		1,055		1,140,413
First American Financial Corp.
4.60%, 11/15/24		1,000		1,015,390
Hartford Financial Services Group Inc. (The)
5.13%, 04/15/22		1,245		1,330,158
5.50%, 03/30/20		227		238,933
Lincoln National Corp.
3.35%, 03/09/25^a		640		626,336
3.63%, 12/12/26 (Call 09/15/26)^a		435		430,454
3.80%, 03/01/28 (Call 12/01/27)		1,500		1,488,450
4.20%, 03/15/22		563		583,381
4.85%, 06/24/21		650		686,277
6.25%, 02/15/20		550		585,772
8.75%, 07/01/19		830		894,740
Loews Corp.
2.63%, 05/15/23 (Call 02/15/23)^a		1,019		985,342


Security	Principal (000s)		Value
3.75%, 04/01/26 (Call 01/01/26)^a	$	2,535	$	2,555,305
Manulife Financial Corp.
4.15%, 03/04/26		2,845		2,909,809
4.90%, 09/17/20		1,000		1,045,880
(5 year USD Swap + 1.647%)
4.06%, 02/24/32 (Call 02/24/27)^c		1,575		1,545,122
Markel Corp.
3.50%, 11/01/27 (Call 08/01/27)		1,035		994,821
Marsh & McLennan Companies Inc.
2.35%, 09/10/19 (Call 08/10/19)		525		522,186
2.35%, 03/06/20 (Call 02/06/20)		637		630,560
2.75%, 01/30/22 (Call 12/30/21)		130		127,842
3.30%, 03/14/23 (Call 01/14/23)		175		174,662
3.50%, 06/03/24 (Call 03/03/24)		1,695		1,700,695
3.50%, 03/10/25 (Call 12/10/24)		2,468		2,454,796
4.05%, 10/15/23 (Call 07/15/23)		200		205,840
4.80%, 07/15/21 (Call 04/15/21)		645		677,972
Mercury General Corp.
4.40%, 03/15/27 (Call 12/15/26)		355		352,806
MetLife Inc.
3.00%, 03/01/25^a		3,473		3,362,142
3.05%, 12/15/22		630		624,047
3.60%, 04/10/24^a		2,205		2,212,299
4.75%, 02/08/21		2,551		2,673,167
Series D
4.37%, 09/15/23^a		1,250		1,312,075
Montpelier Re Holdings Ltd.
4.70%, 10/15/22		1,000		1,030,840
Old Republic International Corp.
3.88%, 08/26/26 (Call 07/26/26)		1,875		1,835,962


Security	Principal (000s)		Value
4.88%, 10/01/24 (Call 09/01/24)^a	$	1,211	$	1,270,460
PartnerRe Finance B LLC
5.50%, 06/01/20		510		535,322
Primerica Inc.
4.75%, 07/15/22		275		288,555
Principal Financial Group Inc.
3.10%, 11/15/26 (Call 08/15/26)		675		643,079
3.30%, 09/15/22		1,430		1,422,350
3.40%, 05/15/25 (Call 02/15/25)		370		363,458
Progressive Corp. (The)
2.45%, 01/15/27^a		2,155		1,988,009
3.75%, 08/23/21		405		415,372
Protective Life Corp.
7.38%, 10/15/19		950		1,014,562
Prudential Financial Inc.
2.35%, 08/15/19		559		555,875
3.50%, 05/15/24^a		4,900		4,917,248
4.50%, 11/16/21^a		295		308,841
5.38%, 06/21/20		350		368,981
7.38%, 06/15/19		2,443		2,588,065
(3 mo. LIBOR US + 3.031%)
5.38%, 05/15/45 (Call 05/15/25)^c		2,070		2,153,297
(3 mo. LIBOR US + 3.040%)
5.20%, 03/15/44 (Call 03/15/24)^c		725		757,139
(3 mo. LIBOR US + 3.920%)
5.63%, 06/15/43 (Call 06/15/23)^c		520		551,517
(3 mo. LIBOR US + 4.175%)
5.88%, 09/15/42 (Call 09/15/22)^a,c		1,730		1,854,006
(3 mo. LIBOR US + 5.000%)
8.88%, 06/15/68 (Call 06/15/18)^c		1,000		1,014,310
Reinsurance Group of America Inc.
5.00%, 06/01/21^a		2,345		2,462,578
6.45%, 11/15/19^a		395		417,586
RenaissanceRe Finance Inc.
3.45%, 07/01/27 (Call 04/01/27)		410		390,054


Security	Principal (000s)		Value
RenRe North America Holdings Inc.
5.75%, 03/15/20	$	125	$	131,371
Torchmark Corp.
3.80%, 09/15/22		410		416,298
9.25%, 06/15/19^a		325		350,080
Travelers Companies Inc. (The)
3.90%, 11/01/20		230		235,975
Unum Group
4.00%, 03/15/24		805		818,411
5.63%, 09/15/20		321		340,822
Voya Financial Inc.
3.13%, 07/15/24 (Call 05/15/24)		2,050		1,992,948
3.65%, 06/15/26		285		279,502
Willis North America Inc.
3.60%, 05/15/24 (Call 03/15/24)		3,225		3,206,682
Willis Towers Watson PLC
5.75%, 03/15/21		400		427,872
WR Berkley Corp.
4.63%, 03/15/22		1,040		1,085,729
5.38%, 09/15/20		300		315,711
7.38%, 09/15/19		750		798,443
XLIT Ltd.
4.45%, 03/31/25		800		807,744
5.75%, 10/01/21		1,930		2,083,609
6.38%, 11/15/24		1,020		1,169,848

				163,614,460
INTERNET — 0.93%
Alibaba Group Holding Ltd.
2.50%, 11/28/19 (Call 10/28/19)		4,165		4,144,633
2.80%, 06/06/23 (Call 05/06/23)^a		2,245		2,180,389
3.13%, 11/28/21 (Call 09/28/21)		2,790		2,789,665
3.60%, 11/28/24 (Call 08/28/24)^a		3,630		3,621,179
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)^a		3,020		2,742,251
3.38%, 02/25/24		1,784		1,817,967


Security	Principal (000s)		Value
3.63%, 05/19/21^a	$	900	$	927,936
Amazon.com Inc.
1.90%, 08/21/20^b		2,270		2,222,398
2.40%, 02/22/23 (Call 01/22/23)^b		3,585		3,460,493
2.50%, 11/29/22 (Call 08/29/22)^a		1,899		1,854,146
2.60%, 12/05/19 (Call 11/05/19)		3,320		3,320,730
2.80%, 08/22/24 (Call 06/22/24)^b		3,497		3,385,096
3.15%, 08/22/27 (Call 05/22/27)^a,b		2,755		2,657,170
3.30%, 12/05/21 (Call 10/05/21)		2,125		2,153,836
3.80%, 12/05/24 (Call 09/05/24)^a		1,875		1,925,119
5.20%, 12/03/25 (Call 09/03/25)		2,616		2,916,866
Baidu Inc.
2.75%, 06/09/19		2,800		2,792,832
3.50%, 11/28/22		2,200		2,194,082
3.63%, 07/06/27		1,500		1,434,135
Booking Holdings Inc.
2.75%, 03/15/23 (Call 02/15/23)		2,835		2,746,406
3.60%, 06/01/26 (Call 03/01/26)^a		405		395,807
3.65%, 03/15/25 (Call 12/15/24)		605		599,537
eBay Inc.
2.20%, 08/01/19 (Call 07/01/19)		518		514,643
2.60%, 07/15/22 (Call 04/15/22)		2,009		1,946,882
2.75%, 01/30/23 (Call 12/30/22)		2,146		2,076,148
2.88%, 08/01/21 (Call 06/01/21)		1,250		1,239,212
3.25%, 10/15/20 (Call 07/15/20)		1,595		1,607,967
3.45%, 08/01/24 (Call 05/01/24)		1,875		1,853,006


Security	Principal (000s)		Value
3.60%, 06/05/27 (Call 03/05/27)	$	1,650	$	1,598,817
3.80%, 03/09/22 (Call 02/09/22)		45		45,830
Expedia Inc.
4.50%, 08/15/24 (Call 05/15/24)		630		637,447
5.00%, 02/15/26 (Call 11/15/25)^a		1,125		1,153,643
5.95%, 08/15/20		525		558,763
JD.com Inc.
3.13%, 04/29/21		1,000		986,390
3.88%, 04/29/26^a		220		213,981

				66,715,402
IRON & STEEL — 0.19%
Nucor Corp.
4.00%, 08/01/23 (Call 05/01/23)^a		1,950		2,015,871
4.13%, 09/15/22 (Call 06/15/22)		500		518,810
Reliance Steel & Aluminum Co.
4.50%, 04/15/23 (Call 01/15/23)		762		791,710
Vale Overseas Ltd.
4.38%, 01/11/22		1,715		1,756,743
5.88%, 06/10/21		5,300		5,671,371
6.25%, 08/10/26		2,450		2,765,315

				13,519,820
LEISURE TIME — 0.02%
Carnival Corp.
3.95%, 10/15/20		195		200,497
Harley-Davidson Inc.
3.50%, 07/28/25 (Call 04/28/25)^a		525		519,136
Royal Caribbean Cruises Ltd.
2.65%, 11/28/20		260		257,569
5.25%, 11/15/22^a		231		248,223

				1,225,425
LODGING — 0.17%
Hyatt Hotels Corp.
3.38%, 07/15/23 (Call 04/15/23)		1,190		1,183,955


Security	Principal (000s)		Value
5.38%, 08/15/21 (Call 05/15/21)	$	363	$	386,497
Marriott International Inc./MD
2.30%, 01/15/22 (Call 12/15/21)^a		625		603,337
2.88%, 03/01/21 (Call 02/01/21)^a		1,195		1,189,360
3.00%, 03/01/19 (Call 12/01/18)		1,006		1,009,119
3.13%, 02/15/23 (Call 11/15/22)^a		725		717,706
3.25%, 09/15/22 (Call 06/15/22)		1,000		997,070
3.38%, 10/15/20 (Call 07/15/20)		735		740,880
3.75%, 03/15/25 (Call 12/15/24)^a		1,080		1,081,544
Series N
3.13%, 10/15/21 (Call 07/15/21)		700		698,908
Series R
3.13%, 06/15/26 (Call 03/15/26)		2,949		2,798,630
Wyndham Worldwide Corp.
3.90%, 03/01/23 (Call 12/01/22)^a		250		243,658
4.25%, 03/01/22 (Call 12/01/21)^a		447		448,672
5.10%, 10/01/25 (Call 07/01/25)^a		110		114,026
5.63%, 03/01/21		185		194,367

				12,407,729
MACHINERY — 0.92%
Caterpillar Financial Services Corp.
1.35%, 05/18/19		3,060		3,015,508
1.70%, 08/09/21		1,466		1,406,099
1.85%, 09/04/20		150		146,457
1.90%, 03/22/19		100		99,464
1.93%, 10/01/21		624		602,821
2.00%, 11/29/19		1,950		1,930,636
2.00%, 03/05/20		260		256,477
2.10%, 06/09/19		4,100		4,079,500
2.10%, 01/10/20^a		1,815		1,798,175


Security	Principal (000s)		Value
2.25%, 12/01/19	$	1,168	$	1,160,291
2.40%, 06/06/22		2,150		2,094,358
2.50%, 11/13/20		120		119,036
2.55%, 11/29/22		1,900		1,853,336
2.63%, 03/01/23		1,360		1,326,095
2.85%, 06/01/22		207		205,530
3.25%, 12/01/24^a		320		318,752
Caterpillar Inc.
2.60%, 06/26/22 (Call 03/26/22)		2,450		2,404,503
3.40%, 05/15/24 (Call 02/15/24)^a		408		413,202
3.90%, 05/27/21		1,673		1,725,214
CNH Industrial Capital LLC
3.38%, 07/15/19		200		200,394
4.38%, 11/06/20		265		270,652
4.88%, 04/01/21		935		970,044
CNH Industrial NV
3.85%, 11/15/27 (Call 08/15/27)		1,650		1,600,318
Cummins Inc.
3.65%, 10/01/23 (Call 07/01/23)		523		539,914
Deere & Co.
2.60%, 06/08/22 (Call 03/08/22)^a		165		162,020
4.38%, 10/16/19		705		725,523
Flowserve Corp.
3.50%, 09/15/22 (Call 06/15/22)		1,100		1,081,047
4.00%, 11/15/23 (Call 08/15/23)^a		115		114,529
IDEX Corp.
4.20%, 12/15/21 (Call 09/15/21)		250		253,763
John Deere Capital Corp.
1.25%, 10/09/19		1,500		1,468,590
2.05%, 03/10/20		1,740		1,721,417
2.15%, 09/08/22		1,500		1,439,625
2.20%, 03/13/20		930		921,537
2.25%, 04/17/19^a		1,452		1,447,688
2.30%, 09/16/19		615		612,983
2.55%, 01/08/21		530		525,930


Security	Principal (000s)		Value
2.65%, 01/06/22	$	1,155	$	1,140,204
2.65%, 06/24/24		3,950		3,803,850
2.65%, 06/10/26		2,450		2,310,056
2.70%, 01/06/23		1,165		1,140,640
2.75%, 03/15/22^a		1,888		1,866,212
2.80%, 03/04/21		315		314,288
2.80%, 03/06/23		2,430		2,382,275
2.80%, 09/08/27		1,350		1,278,383
3.05%, 01/06/28^a		2,150		2,070,127
3.15%, 10/15/21		1,180		1,190,148
3.35%, 06/12/24^a		555		556,532
3.90%, 07/12/21		1,150		1,186,421
Series 0014
2.45%, 09/11/20		11		10,911
Rockwell Automation Inc.
2.05%, 03/01/20 (Call 02/01/20)		640		630,323
2.88%, 03/01/25 (Call 12/01/24)		509		488,620
Roper Technologies Inc.
2.80%, 12/15/21 (Call 11/15/21)		1,100		1,084,369
3.00%, 12/15/20 (Call 11/15/20)		675		675,790
3.13%, 11/15/22 (Call 08/15/22)		1,600		1,584,288
3.80%, 12/15/26 (Call 09/15/26)^a		885		883,726
6.25%, 09/01/19		375		393,754
Wabtec Corp./DE
3.45%, 11/15/26 (Call 08/15/26)		820		779,664
Xylem Inc./NY
3.25%, 11/01/26 (Call 08/01/26)		335		324,886
4.88%, 10/01/21		800		850,136

				65,957,031
MANUFACTURING — 0.97%
3M Co.
1.63%, 06/15/19		950		940,804
2.00%, 06/26/22		1,250		1,206,350
2.25%, 03/15/23 (Call 02/15/23)		1,500		1,448,730


Security	Principal (000s)		Value
2.25%, 09/19/26 (Call 06/19/26)	$	3,615	$	3,317,016
2.88%, 10/15/27 (Call 07/15/27)^a		1,000		955,170
3.00%, 08/07/25^a		1,019		1,001,066
Carlisle Companies Inc.
3.50%, 12/01/24 (Call 10/01/24)		750		740,138
3.75%, 11/15/22 (Call 08/15/22)		950		962,379
Crane Co.
4.45%, 12/15/23 (Call 09/15/23)		500		514,885
Dover Corp.
3.15%, 11/15/25 (Call 08/15/25)^a		1,000		975,420
4.30%, 03/01/21 (Call 12/01/20)		650		674,791
Eaton Corp.
2.75%, 11/02/22^a		964		943,505
3.10%, 09/15/27 (Call 06/15/27)		3,055		2,904,480
6.95%, 03/20/19		475		495,040
General Electric Co.
2.20%, 01/09/20 (Call 12/09/19)		4,589		4,527,875
2.70%, 10/09/22		6,797		6,571,408
3.10%, 01/09/23		1,678		1,648,702
3.15%, 09/07/22		1,204		1,190,563
3.38%, 03/11/24		430		422,690
3.45%, 05/15/24 (Call 02/13/24)		1,984		1,954,419
4.38%, 09/16/20		1,189		1,226,144
4.63%, 01/07/21		2,467		2,560,672
4.65%, 10/17/21		1,111		1,162,850
5.30%, 02/11/21		3,797		4,008,113
5.50%, 01/08/20^a		2,727		2,849,633
6.00%, 08/07/19		3,825		3,997,316
Series A
5.55%, 05/04/20^a		832		875,622
Hexcel Corp.
3.95%, 02/15/27 (Call 11/15/26)		1,500		1,491,840


Security	Principal (000s)		Value
Illinois Tool Works Inc.
1.95%, 03/01/19	$	920	$	915,722
2.65%, 11/15/26 (Call 08/15/26)		1,880		1,765,470
3.38%, 09/15/21 (Call 06/15/21)		640		649,248
3.50%, 03/01/24 (Call 12/01/23)		2,019		2,059,461
6.25%, 04/01/19		1,351		1,403,432
Ingersoll-Rand Global Holding Co. Ltd.
2.88%, 01/15/19^a		500		502,205
2.90%, 02/21/21		1,500		1,494,810
3.75%, 08/21/28 (Call 05/21/28)		1,500		1,486,980
4.25%, 06/15/23		1,730		1,801,103
Ingersoll-Rand Luxembourg Finance SA
2.63%, 05/01/20 (Call 04/01/20)		70		69,368
3.55%, 11/01/24 (Call 08/01/24)		640		642,918
Parker-Hannifin Corp.
3.25%, 03/01/27 (Call 12/01/26)		435		423,764
3.30%, 11/21/24 (Call 08/21/24)		984		978,253
3.50%, 09/15/22		540		546,615
Textron Inc.
3.65%, 03/01/21		240		243,154
3.65%, 03/15/27 (Call 12/15/26)		440		432,586
3.88%, 03/01/25 (Call 12/01/24)		820		826,929
4.00%, 03/15/26 (Call 12/15/25)		480		483,931
5.95%, 09/21/21 (Call 06/21/21)		240		259,428
Trinity Industries Inc.
4.55%, 10/01/24 (Call 07/01/24)		970		969,340

				69,522,338


Security	Principal (000s)		Value
MEDIA — 2.24%
21st Century Fox America Inc.
3.00%, 09/15/22	$	2,115	$	2,094,125
3.38%, 11/15/26 (Call 08/15/26)^a		2,035		2,002,460
3.70%, 09/15/24 (Call 06/15/24)		270		274,601
3.70%, 10/15/25 (Call 07/15/25)		795		801,885
4.00%, 10/01/23		850		876,520
4.50%, 02/15/21		758		790,359
5.65%, 08/15/20		1,200		1,277,064
6.90%, 03/01/19		1,150		1,197,932
8.88%, 04/26/23		500		612,350
CBS Corp.
2.30%, 08/15/19 (Call 07/15/19)		1,025		1,018,256
2.50%, 02/15/23 (Call 01/15/23)		2,680		2,553,718
2.90%, 06/01/23 (Call 05/01/23)^a,b		1,500		1,450,920
2.90%, 01/15/27 (Call 10/15/26)^a		2,345		2,139,719
3.38%, 03/01/22 (Call 12/01/21)^a		1,725		1,727,329
3.50%, 01/15/25 (Call 10/15/24)^a		1,775		1,738,364
3.70%, 08/15/24 (Call 05/15/24)		1,240		1,236,367
4.30%, 02/15/21 (Call 11/15/20)		1,000		1,030,610
Charter Communications Operating LLC/Charter Communications Operating Capital
3.58%, 07/23/20 (Call 06/23/20)		6,015		6,059,571
3.75%, 02/15/28 (Call 11/15/27)		1,000		924,290
4.20%, 03/15/28 (Call 12/15/27)		2,565		2,459,373
4.46%, 07/23/22 (Call 05/23/22)^a		1,005		1,028,226
4.91%, 07/23/25 (Call 04/23/25)		6,335		6,510,226


Security	Principal (000s)		Value
Comcast Cable Communications Holdings Inc.
9.46%, 11/15/22	$	940	$	1,193,791
Comcast Corp.
1.63%, 01/15/22 (Call 12/15/21)^a		710		674,081
2.35%, 01/15/27 (Call 10/15/26)		985		884,175
2.75%, 03/01/23 (Call 02/01/23)		4,956		4,843,499
2.85%, 01/15/23		4,190		4,123,966
3.00%, 02/01/24 (Call 01/01/24)^a		1,020		997,591
3.13%, 07/15/22^a		1,565		1,563,936
3.15%, 03/01/26 (Call 12/01/25)		3,925		3,786,094
3.30%, 02/01/27 (Call 11/01/26)		2,840		2,744,462
3.38%, 02/15/25 (Call 11/15/24)		785		773,869
3.38%, 08/15/25 (Call 05/15/25)		3,669		3,609,819
3.55%, 05/01/28 (Call 02/01/28)		2,000		1,961,180
3.60%, 03/01/24^a		1,262		1,273,875
5.15%, 03/01/20^a		3,998		4,185,986
5.70%, 07/01/19^a		2,375		2,469,857
Discovery Communications LLC
2.20%, 09/20/19		1,870		1,850,926
2.95%, 03/20/23 (Call 02/20/23)		1,000		966,620
3.25%, 04/01/23^a		1,200		1,173,888
3.30%, 05/15/22		1,800		1,787,544
3.80%, 03/13/24 (Call 01/13/24)^a		645		641,291
4.38%, 06/15/21		850		878,620
4.90%, 03/11/26 (Call 12/11/25)^a		670		695,681
5.05%, 06/01/20		819		853,717
5.63%, 08/15/19		419		435,182
Grupo Televisa SAB
6.63%, 03/18/25		1,000		1,137,520


Security	Principal (000s)		Value
NBCUniversal Media LLC
2.88%, 01/15/23	$	2,450	$	2,414,744
4.38%, 04/01/21^a		3,529		3,677,077
5.15%, 04/30/20		2,339		2,454,617
RELX Capital Inc.
3.13%, 10/15/22 (Call 07/15/22)		1,065		1,049,845
Scripps Networks Interactive Inc.
2.75%, 11/15/19 (Call 10/15/19)		245		243,912
2.80%, 06/15/20 (Call 05/15/20)		925		917,267
3.90%, 11/15/24 (Call 08/15/24)		2,964		2,941,800
3.95%, 06/15/25 (Call 03/15/25)		70		69,127
TCI Communications Inc.
7.88%, 02/15/26		1,150		1,466,169
Thomson Reuters Corp.
3.85%, 09/29/24 (Call 06/29/24)		1,250		1,251,037
3.95%, 09/30/21 (Call 06/30/21)		1,000		1,016,220
4.30%, 11/23/23 (Call 08/23/23)^a		1,100		1,130,382
4.70%, 10/15/19		250		257,543
Time Warner Cable LLC
4.00%, 09/01/21 (Call 06/01/21)		2,704		2,737,097
4.13%, 02/15/21 (Call 11/15/20)		1,925		1,957,167
5.00%, 02/01/20		3,362		3,477,754
8.25%, 04/01/19		510		538,545
Time Warner Entertainment Co. LP
8.38%, 03/15/23		940		1,126,477
Time Warner Inc.
2.10%, 06/01/19		1,080		1,072,516
2.95%, 07/15/26 (Call 04/15/26)		2,605		2,393,344
3.40%, 06/15/22		1,695		1,695,085
3.55%, 06/01/24 (Call 03/01/24)		1,000		990,350
3.60%, 07/15/25 (Call 04/15/25)		4,124		4,013,436


Security	Principal (000s)		Value
3.80%, 02/15/27 (Call 11/15/26)	$	1,384	$	1,344,293
3.88%, 01/15/26 (Call 10/15/25)		1,250		1,230,175
4.00%, 01/15/22		1,270		1,303,020
4.05%, 12/15/23		500		512,405
4.70%, 01/15/21		927		967,167
4.75%, 03/29/21		1,330		1,393,281
4.88%, 03/15/20		1,595		1,654,605
Viacom Inc.
2.75%, 12/15/19 (Call 11/15/19)		427		424,485
3.88%, 12/15/21		1,560		1,587,799
3.88%, 04/01/24 (Call 01/01/24)		915		912,822
4.25%, 09/01/23 (Call 06/01/23)		1,310		1,343,313
4.50%, 03/01/21^a		1,250		1,292,612
5.63%, 09/15/19		670		697,128
Walt Disney Co. (The)
0.88%, 07/12/19		1,075		1,051,973
1.80%, 06/05/20^a		2,000		1,967,200
1.85%, 05/30/19		3,075		3,054,244
1.85%, 07/30/26^a		2,335		2,075,815
1.95%, 03/04/20^a		545		538,743
2.15%, 09/17/20		950		937,812
2.30%, 02/12/21^a		2,000		1,972,780
2.35%, 12/01/22^a		715		693,543
2.45%, 03/04/22		60		58,912
2.55%, 02/15/22		1,200		1,182,192
2.75%, 08/16/21		900		897,174
2.95%, 06/15/27^a		2,225		2,143,387
3.00%, 02/13/26^a		1,995		1,949,594
3.15%, 09/17/25		965		955,282
3.75%, 06/01/21		1,928		1,984,818
5.50%, 03/15/19		550		566,990

				160,896,510
METAL FABRICATE & HARDWARE — 0.06%
Precision Castparts Corp.
2.25%, 06/15/20 (Call 05/15/20)		1,325		1,315,155
2.50%, 01/15/23 (Call 10/15/22)		1,675		1,637,815


Security	Principal (000s)		Value
3.25%, 06/15/25 (Call 03/15/25)	$	1,325	$	1,317,222

				4,270,192
MINING — 0.23%
Barrick Gold Corp.
3.85%, 04/01/22		450		459,999
Barrick North America Finance LLC
4.40%, 05/30/21		2,418		2,525,915
BHP Billiton Finance USA Ltd.
2.88%, 02/24/22		1,720		1,713,533
6.50%, 04/01/19		475		495,468
Goldcorp Inc.
3.63%, 06/09/21 (Call 04/09/21)		1,500		1,515,435
3.70%, 03/15/23 (Call 12/15/22)^a		1,310		1,317,690
Newmont Mining Corp.
3.50%, 03/15/22 (Call 12/15/21)		2,099		2,104,793
5.13%, 10/01/19		958		989,154
Rio Tinto Finance USA Ltd.
3.75%, 06/15/25 (Call 03/15/25)		1,610		1,640,976
4.13%, 05/20/21		217		224,938
Rio Tinto Finance USA PLC
2.88%, 08/21/22 (Call 05/21/22)		61		60,350
Southern Copper Corp.
3.50%, 11/08/22		255		255,408
3.88%, 04/23/25		20		20,107
5.38%, 04/16/20		875		914,681
Yamana Gold Inc.
4.63%, 12/15/27 (Call 09/15/27)^b		1,500		1,470,915
4.95%, 07/15/24 (Call 04/15/24)		525		542,929

				16,252,291
OFFICE & BUSINESS EQUIPMENT — 0.13%
Pitney Bowes Inc.
3.63%, 10/01/21 (Call 09/01/21)		350		334,481
4.13%, 05/15/22 (Call 04/15/22)^a		100		94,372


Security	Principal (000s)		Value
4.63%, 03/15/24 (Call 12/15/23)^a	$	200	$	186,256
Xerox Corp.
2.75%, 09/01/20		961		947,507
3.63%, 03/15/23 (Call 02/15/23)^a		3,913		3,820,966
3.80%, 05/15/24^a		416		410,093
4.07%, 03/17/22		2,738		2,751,772
4.50%, 05/15/21		1,087		1,114,121

				9,659,568
OIL & GAS — 4.73%
Anadarko Petroleum Corp.
3.45%, 07/15/24 (Call 04/15/24)		1,000		976,560
4.85%, 03/15/21 (Call 02/15/21)		600		625,560
5.55%, 03/15/26 (Call 12/15/25)^a		1,170		1,275,522
6.95%, 06/15/19		1,990		2,090,157
8.70%, 03/15/19		789		834,020
Andeavor
4.75%, 12/15/23 (Call 10/15/23)		1,175		1,222,952
5.13%, 12/15/26 (Call 09/15/26)		1,875		1,978,219
Apache Corp.
2.63%, 01/15/23 (Call 10/15/22)		725		695,333
3.25%, 04/15/22 (Call 01/15/22)		687		681,257
3.63%, 02/01/21 (Call 11/01/20)		2,550		2,578,177
BP Capital Markets PLC
1.68%, 05/03/19		2,150		2,130,628
2.11%, 09/16/21 (Call 08/16/21)		1,965		1,904,183
2.24%, 05/10/19^a		4,025		4,009,504
2.32%, 02/13/20		1,900		1,883,945
2.50%, 11/06/22		1,779		1,730,095
2.52%, 01/15/20^a		1,809		1,801,438
2.52%, 09/19/22 (Call 08/19/22)^a		1,350		1,315,683
2.75%, 05/10/23^a		5,310		5,193,021


Security	Principal (000s)		Value
3.06%, 03/17/22	$	1,710	$	1,710,205
3.12%, 05/04/26 (Call 02/04/26)		1,760		1,696,798
3.22%, 11/28/23 (Call 09/28/23)		1,050		1,043,427
3.22%, 04/14/24 (Call 02/14/24)		2,705		2,682,251
3.25%, 05/06/22		5,823		5,856,308
3.28%, 09/19/27 (Call 06/19/27)^a		1,025		994,168
3.51%, 03/17/25		1,550		1,549,597
3.54%, 11/04/24		3,025		3,041,123
3.56%, 11/01/21		851		867,058
3.59%, 04/14/27 (Call 01/14/27)^a		775		772,195
3.81%, 02/10/24		650		666,322
3.99%, 09/26/23^a		3,000		3,108,000
4.50%, 10/01/20		1,746		1,813,797
4.74%, 03/11/21		723		759,287
4.75%, 03/10/19^a		3,813		3,899,898
Canadian Natural Resources Ltd.
2.95%, 01/15/23 (Call 12/15/22)		605		590,026
3.45%, 11/15/21 (Call 08/15/21)		572		578,343
3.80%, 04/15/24 (Call 01/15/24)		335		335,208
3.85%, 06/01/27 (Call 03/01/27)^a		4,025		3,952,590
3.90%, 02/01/25 (Call 11/01/24)		790		787,670
Cenovus Energy Inc.
4.25%, 04/15/27 (Call 01/15/27)^a		2,955		2,885,173
Chevron Corp.
1.56%, 05/16/19		4,050		4,007,920
1.96%, 03/03/20 (Call 02/03/20)		4,835		4,770,743
1.99%, 03/03/20^a		1,675		1,653,761
2.10%, 05/16/21 (Call 04/15/21)		2,475		2,420,525
2.19%, 11/15/19 (Call 10/15/19)		750		745,793


Security	Principal (000s)		Value
2.36%, 12/05/22 (Call 09/05/22)	$	3,650	$	3,538,346
2.41%, 03/03/22 (Call 01/03/22)		805		788,143
2.42%, 11/17/20 (Call 10/17/20)		2,610		2,586,275
2.43%, 06/24/20 (Call 05/24/20)		965		959,635
2.57%, 05/16/23 (Call 03/16/23)		3,400		3,305,956
2.95%, 05/16/26 (Call 02/16/26)^a		4,390		4,213,698
3.19%, 06/24/23 (Call 03/24/23)^a		3,600		3,605,436
3.33%, 11/17/25 (Call 08/17/25)		3,775		3,754,162
4.95%, 03/03/19^a		2,096		2,148,924
Cimarex Energy Co.
3.90%, 05/15/27 (Call 02/15/27)^a		600		589,518
4.38%, 06/01/24 (Call 03/01/24)		377		390,553
CNOOC Finance 2013 Ltd.
3.00%, 05/09/23		2,755		2,667,446
CNOOC Finance 2015 Australia Pty Ltd.
2.63%, 05/05/20		3,450		3,418,191
CNOOC Finance 2015 USA LLC
3.50%, 05/05/25		6,550		6,397,188
CNOOC Nexen Finance 2014 ULC
4.25%, 04/30/24		1,150		1,175,714
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)^a		1,735		1,685,726
4.38%, 01/15/25 (Call 01/15/20)		1,500		1,528,320
ConocoPhillips Co.
2.40%, 12/15/22 (Call 09/15/22)		1,644		1,589,288
3.35%, 11/15/24 (Call 08/15/24)		879		873,656
3.35%, 05/15/25 (Call 02/15/25)^a		842		838,144


Security	Principal (000s)		Value
4.95%, 03/15/26 (Call 12/15/25)	$	1,975	$	2,150,558
Devon Energy Corp.
3.25%, 05/15/22 (Call 02/15/22)		316		313,614
4.00%, 07/15/21 (Call 04/15/21)		250		255,573
5.85%, 12/15/25 (Call 09/15/25)		1,445		1,640,870
Ecopetrol SA
4.13%, 01/16/25		575		563,972
5.38%, 06/26/26 (Call 03/26/26)^a		1,215		1,281,278
5.88%, 09/18/23		5,150		5,584,969
7.63%, 07/23/19		785		830,475
Encana Corp.
3.90%, 11/15/21 (Call 08/15/21)^a		935		951,353
EOG Resources Inc.
2.45%, 04/01/20 (Call 03/01/20)		422		418,383
2.63%, 03/15/23 (Call 12/15/22)		907		874,783
3.15%, 04/01/25 (Call 01/01/25)^a		560		541,044
4.10%, 02/01/21		669		687,464
4.15%, 01/15/26 (Call 10/15/25)^a		285		294,052
4.40%, 06/01/20		1,200		1,238,112
5.63%, 06/01/19		1,046		1,082,390
EQT Corp.
3.90%, 10/01/27 (Call 07/01/27)		2,360		2,251,888
4.88%, 11/15/21		790		826,909
8.13%, 06/01/19		400		424,692
Exxon Mobil Corp.
1.71%, 03/01/19		4,450		4,419,473
1.82%, 03/15/19 (Call 02/15/19)		3,750		3,731,475
1.91%, 03/06/20 (Call 02/06/20)^a		4,221		4,172,881
2.22%, 03/01/21 (Call 02/01/21)		3,705		3,647,647


Security	Principal (000s)		Value
2.40%, 03/06/22 (Call 01/06/22)	$	2,275	$	2,226,884
2.71%, 03/06/25 (Call 12/06/24)		4,630		4,448,272
2.73%, 03/01/23 (Call 01/01/23)^a		3,350		3,301,659
3.04%, 03/01/26 (Call 12/01/25)^a		2,425		2,367,794
3.18%, 03/15/24 (Call 12/15/23)^a		100		100,383
Hess Corp.
3.50%, 07/15/24 (Call 04/15/24)		660		638,880
4.30%, 04/01/27 (Call 01/01/27)^a		2,900		2,831,270
HollyFrontier Corp.
5.88%, 04/01/26 (Call 01/01/26)		1,250		1,348,175
Husky Energy Inc.
4.00%, 04/15/24 (Call 01/15/24)^a		1,825		1,854,273
6.15%, 06/15/19		150		156,074
7.25%, 12/15/19		735		788,795
Kerr-McGee Corp.
6.95%, 07/01/24		2,050		2,377,077
Marathon Oil Corp.
2.70%, 06/01/20 (Call 05/01/20)		174		172,338
2.80%, 11/01/22 (Call 08/01/22)		1,385		1,335,514
3.85%, 06/01/25 (Call 03/01/25)		1,443		1,427,329
4.40%, 07/15/27 (Call 04/15/27)^a		2,050		2,082,287
Marathon Petroleum Corp.
3.40%, 12/15/20 (Call 11/15/20)		1,078		1,090,354
3.63%, 09/15/24 (Call 06/15/24)		686		686,460
5.13%, 03/01/21		282		298,317
Nexen Energy ULC
6.20%, 07/30/19		1,800		1,877,940


Security	Principal (000s)		Value
Noble Energy Inc.
3.90%, 11/15/24 (Call 08/15/24)	$	912	$	917,062
4.15%, 12/15/21 (Call 09/15/21)		1,693		1,736,764
Occidental Petroleum Corp.
2.60%, 04/15/22 (Call 03/15/22)		5,950		5,847,600
2.70%, 02/15/23 (Call 11/15/22)		300		294,105
3.13%, 02/15/22 (Call 11/15/21)		533		533,991
3.40%, 04/15/26 (Call 01/15/26)		2,295		2,263,995
3.50%, 06/15/25 (Call 03/15/25)^a		1,685		1,682,456
Series 1
4.10%, 02/01/21 (Call 11/01/20)		2,324		2,404,201
Patterson-UTI Energy Inc.
3.95%, 02/01/28 (Call 11/01/27)^b		220		212,384
Petroleos Mexicanos
3.50%, 01/30/23		1,660		1,598,281
4.25%, 01/15/25		3,975		3,840,883
4.50%, 01/23/26		3,175		3,076,194
4.63%, 09/21/23		3,775		3,792,516
4.88%, 01/24/22		2,620		2,690,976
4.88%, 01/18/24		3,070		3,120,594
5.35%, 02/12/28^b		2,000		1,966,000
5.50%, 01/21/21		6,500		6,804,525
6.00%, 03/05/20		2,934		3,080,671
6.38%, 02/04/21		1,355		1,449,538
6.50%, 03/13/27^b		6,435		6,873,301
6.88%, 08/04/26		6,400		7,038,400
8.00%, 05/03/19		4,222		4,460,585
Phillips 66
4.30%, 04/01/22		3,344		3,471,473
Pioneer Natural Resources Co.
3.45%, 01/15/21 (Call 12/15/20)		1,710		1,727,083
3.95%, 07/15/22 (Call 04/15/22)		1,510		1,540,411


Security	Principal (000s)		Value
7.50%, 01/15/20	$	350	$	378,266
Shell International Finance BV
1.38%, 05/10/19		250		246,585
1.38%, 09/12/19		450		442,350
1.75%, 09/12/21		2,225		2,131,995
1.88%, 05/10/21		3,990		3,864,435
2.13%, 05/11/20		7,623		7,528,322
2.25%, 11/10/20		941		927,356
2.25%, 01/06/23^a		1,500		1,440,315
2.38%, 08/21/22		1,469		1,427,148
2.50%, 09/12/26		3,000		2,790,450
2.88%, 05/10/26		3,778		3,623,480
3.25%, 05/11/25		1,328		1,313,033
3.40%, 08/12/23		2,705		2,731,942
4.30%, 09/22/19		3,584		3,677,256
4.38%, 03/25/20		4,888		5,050,624
Statoil ASA
2.45%, 01/17/23		1,475		1,430,263
2.65%, 01/15/24		400		387,372
2.75%, 11/10/21		1,150		1,141,226
2.90%, 11/08/20		650		651,281
3.15%, 01/23/22		568		570,153
3.25%, 11/10/24		3,700		3,667,477
3.70%, 03/01/24		1,100		1,123,001
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)		880		879,322
Total Capital Canada Ltd.
2.75%, 07/15/23^a		1,045		1,023,233
Total Capital International SA
2.10%, 06/19/19		1,050		1,043,343
2.70%, 01/25/23		2,600		2,549,378
2.75%, 06/19/21		1,303		1,297,436
2.88%, 02/17/22		1,453		1,441,870
3.70%, 01/15/24		2,546		2,602,878
3.75%, 04/10/24		1,575		1,612,249
Total Capital SA
4.13%, 01/28/21		1,070		1,106,862
4.45%, 06/24/20		2,061		2,139,071
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)		775		742,597
3.65%, 03/15/25		1,135		1,130,869


Security	Principal (000s)		Value
6.13%, 02/01/20	$	819	$	868,877
9.38%, 03/15/19		1,061		1,131,578

				340,300,571
OIL & GAS SERVICES — 0.21%
Baker Hughes a GE Co. LLC
3.20%, 08/15/21 (Call 05/15/21)		754		756,692
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
2.77%, 12/15/22 (Call 11/15/22)		665		649,286
3.34%, 12/15/27 (Call 09/15/27)		3,835		3,662,080
Halliburton Co.
3.25%, 11/15/21 (Call 08/15/21)		605		607,571
3.50%, 08/01/23 (Call 05/01/23)		1,099		1,106,407
3.80%, 11/15/25 (Call 08/15/25)		4,371		4,377,557
National Oilwell Varco Inc.
2.60%, 12/01/22 (Call 09/01/22)		2,145		2,050,706
Schlumberger Investment SA
3.65%, 12/01/23 (Call 09/01/23)		760		773,786
TechnipFMC PLC
3.45%, 10/01/22 (Call 07/01/22)^b		1,410		1,381,969

				15,366,054
PACKAGING & CONTAINERS — 0.10%
Bemis Co. Inc.
3.10%, 09/15/26 (Call 06/15/26)		485		451,690
4.50%, 10/15/21 (Call 07/15/21)		275		286,049
6.80%, 08/01/19		555		585,753
Packaging Corp. of America
3.65%, 09/15/24 (Call 06/15/24)		275		276,282
3.90%, 06/15/22 (Call 03/15/22)		1,038		1,062,839


Security	Principal (000s)		Value
WestRock Co.
3.00%, 09/15/24 (Call 07/15/24)^b	$	2,550	$	2,457,537
WestRock RKT Co.
3.50%, 03/01/20		550		556,237
4.00%, 03/01/23 (Call 12/01/22)		455		465,092
4.90%, 03/01/22		885		933,976

				7,075,455
PHARMACEUTICALS — 3.57%
AbbVie Inc.
2.30%, 05/14/21 (Call 04/14/21)^a		1,990		1,941,205
2.50%, 05/14/20 (Call 04/14/20)^a		6,950		6,888,284
2.85%, 05/14/23 (Call 03/14/23)^a		192		186,436
2.90%, 11/06/22		5,595		5,478,176
3.20%, 11/06/22 (Call 09/06/22)		1,725		1,712,011
3.20%, 05/14/26 (Call 02/14/26)		4,390		4,191,616
3.60%, 05/14/25 (Call 02/14/25)^a		7,620		7,544,638
Actavis Inc.
3.25%, 10/01/22 (Call 07/01/22)		1,974		1,946,226
Allergan Funding SCS
2.45%, 06/15/19		5,070		5,046,171
3.00%, 03/12/20 (Call 02/12/20)		5,335		5,331,852
3.45%, 03/15/22 (Call 01/15/22)		2,620		2,614,839
3.80%, 03/15/25 (Call 12/15/24)^a		8,245		8,133,610
3.85%, 06/15/24 (Call 03/15/24)		4,211		4,213,442
Allergan Inc./U.S.
2.80%, 03/15/23 (Call 12/15/22)		480		462,494
3.38%, 09/15/20		393		395,110
AmerisourceBergen Corp.
3.25%, 03/01/25 (Call 12/01/24)^a		437		419,935


Security	Principal (000s)		Value
3.40%, 05/15/24 (Call 02/15/24)^a	$	2,250	$	2,220,795
3.45%, 12/15/27 (Call 09/15/27)^a		1,500		1,427,055
3.50%, 11/15/21 (Call 08/15/21)^a		540		543,861
AstraZeneca PLC
1.95%, 09/18/19		195		192,896
2.38%, 11/16/20		1,000		986,660
2.38%, 06/12/22 (Call 05/12/22)		2,781		2,694,567
3.38%, 11/16/25^a		6,130		6,022,357
Bristol-Myers Squibb Co.
2.00%, 08/01/22		376		360,001
3.25%, 11/01/23		650		653,842
3.25%, 02/27/27		1,020		1,006,720
Cardinal Health Inc.
1.95%, 06/14/19		2,135		2,114,120
2.40%, 11/15/19		1,200		1,193,292
2.62%, 06/15/22 (Call 05/15/22)^a		1,675		1,620,094
3.08%, 06/15/24 (Call 04/15/24)		365		349,834
3.20%, 06/15/22^a		270		266,690
3.20%, 03/15/23^a		1,840		1,816,558
3.41%, 06/15/27 (Call 03/15/27)^a		2,440		2,296,626
3.50%, 11/15/24 (Call 08/15/24)		75		73,762
3.75%, 09/15/25 (Call 06/15/25)		1,135		1,118,304
4.63%, 12/15/20		2,100		2,187,129
CVS Health Corp.
2.13%, 06/01/21 (Call 05/01/21)^a		4,422		4,263,073
2.25%, 08/12/19 (Call 07/12/19)		2,050		2,032,493
2.80%, 07/20/20 (Call 06/20/20)		1,395		1,384,830
2.88%, 06/01/26 (Call 03/01/26)^a		650		593,431
3.38%, 08/12/24 (Call 05/12/24)		2,130		2,072,320


Security	Principal (000s)		Value
3.50%, 07/20/22 (Call 05/20/22)	$	1,980	$	1,972,912
3.88%, 07/20/25 (Call 04/20/25)		4,525		4,471,243
4.00%, 12/05/23 (Call 09/05/23)^a		2,175		2,204,841
4.13%, 05/15/21 (Call 02/15/21)		1,750		1,795,955
4.75%, 12/01/22 (Call 09/01/22)		3,000		3,148,770
Eli Lilly & Co.
1.95%, 03/15/19		330		328,046
2.35%, 05/15/22		1,455		1,417,054
2.75%, 06/01/25 (Call 03/01/25)		450		433,409
3.10%, 05/15/27 (Call 02/15/27)		2,235		2,179,304
Express Scripts Holding Co.
2.25%, 06/15/19		1,115		1,108,109
2.60%, 11/30/20		325		320,853
3.05%, 11/30/22 (Call 10/30/22)		2,175		2,129,477
3.30%, 02/25/21 (Call 01/25/21)		315		315,488
3.40%, 03/01/27 (Call 12/01/26)^a		5,335		5,055,339
3.90%, 02/15/22		235		239,575
4.50%, 02/25/26 (Call 11/27/25)		5,524		5,686,350
4.75%, 11/15/21		2,425		2,542,491
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23		717		703,836
GlaxoSmithKline Capital PLC
2.85%, 05/08/22		601		595,855
Johnson & Johnson
1.13%, 03/01/19		2,705		2,671,702
1.65%, 03/01/21 (Call 02/01/21)		4,780		4,649,219
1.88%, 12/05/19		850		842,809
1.95%, 11/10/20		895		881,387
2.05%, 03/01/23 (Call 01/01/23)		525		504,457
2.25%, 03/03/22 (Call 02/03/22)		150		147,011


Security	Principal (000s)		Value
2.45%, 12/05/21	$	205	$	203,567
2.45%, 03/01/26 (Call 12/01/25)^a		3,715		3,495,629
2.63%, 01/15/25 (Call 11/15/24)		1,795		1,735,729
2.90%, 01/15/28 (Call 10/15/27)		1,500		1,439,595
2.95%, 09/01/20		510		515,212
2.95%, 03/03/27 (Call 12/03/26)		25		24,282
3.38%, 12/05/23		388		396,070
3.55%, 05/15/21^a		1,450		1,489,034
McKesson Corp.
2.28%, 03/15/19		1,125		1,121,310
2.70%, 12/15/22 (Call 09/15/22)		1,463		1,418,305
2.85%, 03/15/23 (Call 12/15/22)		425		414,855
3.80%, 03/15/24 (Call 12/15/23)		325		328,458
3.95%, 02/16/28 (Call 11/16/27)		3,590		3,569,537
Mead Johnson Nutrition Co.
3.00%, 11/15/20^a		285		284,815
4.13%, 11/15/25 (Call 08/15/25)		1,200		1,224,000
4.90%, 11/01/19		375		387,435
Medco Health Solutions Inc.
4.13%, 09/15/20		500		513,050
Merck & Co. Inc.
1.85%, 02/10/20^a		1,542		1,521,800
2.35%, 02/10/22		3,735		3,666,463
2.40%, 09/15/22 (Call 06/15/22)		505		493,289
2.75%, 02/10/25 (Call 11/10/24)^a		6,738		6,506,685
2.80%, 05/18/23		945		934,898
3.88%, 01/15/21 (Call 10/15/20)		2,471		2,546,464
Merck Sharp & Dohme Corp.
5.00%, 06/30/19		668		689,303
Mylan Inc.
2.55%, 03/28/19		1,435		1,429,332


Security	Principal (000s)		Value
Mylan NV
2.50%, 06/07/19	$	2,070	$	2,057,145
3.15%, 06/15/21 (Call 05/15/21)^a		1,620		1,605,258
3.95%, 06/15/26 (Call 03/15/26)^a		6,475		6,277,577
Novartis Capital Corp.
1.80%, 02/14/20^a		850		837,658
2.40%, 05/17/22 (Call 04/17/22)		2,850		2,789,979
2.40%, 09/21/22		2,250		2,191,343
3.00%, 11/20/25 (Call 08/20/25)		4,960		4,845,821
3.10%, 05/17/27 (Call 02/17/27)		1,181		1,155,585
3.40%, 05/06/24		1,649		1,667,106
4.40%, 04/24/20		636		659,309
Perrigo Finance Unlimited Co.
3.50%, 03/15/21 (Call 02/15/21)		407		407,199
3.50%, 12/15/21 (Call 10/15/21)		1,475		1,481,313
3.90%, 12/15/24 (Call 09/15/24)		1,250		1,241,350
Pfizer Inc.
1.45%, 06/03/19		3,400		3,358,724
1.70%, 12/15/19		4,850		4,784,331
1.95%, 06/03/21^a		2,225		2,174,092
2.10%, 05/15/19^a		3,000		2,987,760
2.20%, 12/15/21		751		734,433
2.75%, 06/03/26^a		4,290		4,080,434
3.00%, 06/15/23^a		1,275		1,274,146
3.00%, 12/15/26^a		1,350		1,307,070
3.40%, 05/15/24		125		126,336
5.20%, 08/12/20^a		100		106,144
Sanofi
4.00%, 03/29/21		1,182		1,220,391
Shire Acquisitions Investments Ireland DAC
1.90%, 09/23/19		4,065		4,001,545
2.40%, 09/23/21 (Call 08/23/21)		5,055		4,883,231
2.88%, 09/23/23 (Call 07/23/23)		4,195		4,018,516


Security	Principal (000s)		Value
3.20%, 09/23/26 (Call 06/23/26)^a	$	8,030	$	7,478,821
Wyeth LLC
6.45%, 02/01/24		1,150		1,347,455
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)		2,850		2,676,692
3.25%, 02/01/23 (Call 11/01/22)		3,435		3,406,455
3.45%, 11/13/20 (Call 10/13/20)		370		374,159
4.50%, 11/13/25 (Call 08/13/25)		160		169,106

				256,418,448
PIPELINES — 2.73%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
3.50%, 12/01/22 (Call 11/01/22)		750		738,420
Boardwalk Pipelines LP
3.38%, 02/01/23 (Call 11/01/22)		60		58,352
4.45%, 07/15/27 (Call 04/15/27)^a		2,500		2,446,700
5.75%, 09/15/19		1,610		1,669,522
5.95%, 06/01/26 (Call 03/01/26)		380		411,544
Buckeye Partners LP
3.95%, 12/01/26 (Call 09/01/26)		3,350		3,196,637
4.15%, 07/01/23 (Call 04/01/23)		587		589,917
4.35%, 10/15/24 (Call 07/15/24)		505		508,328
4.88%, 02/01/21 (Call 11/01/20)		475		490,770
5.50%, 08/15/19		500		515,630
Columbia Pipeline Group Inc.
3.30%, 06/01/20 (Call 05/01/20)		3,965		3,982,486
4.50%, 06/01/25 (Call 03/01/25)		480		494,798
El Paso Natural Gas Co. LLC
8.63%, 01/15/22		650		762,119


Security	Principal (000s)		Value
Enable Midstream Partners LP
2.40%, 05/15/19 (Call 04/15/19)	$	725	$	718,250
3.90%, 05/15/24 (Call 02/15/24)^a		618		608,477
4.40%, 03/15/27 (Call 12/15/26)		1,360		1,341,205
Enbridge Energy Partners LP
4.20%, 09/15/21 (Call 06/15/21)		150		153,669
4.38%, 10/15/20 (Call 09/15/20)		1,125		1,156,556
5.20%, 03/15/20		320		332,854
5.88%, 10/15/25 (Call 07/15/25)		2,400		2,662,368
9.88%, 03/01/19		1,535		1,639,411
Enbridge Inc.
2.90%, 07/15/22 (Call 06/15/22)		350		339,469
3.50%, 06/10/24 (Call 03/10/24)		170		167,229
3.70%, 07/15/27 (Call 04/15/27)		4,990		4,816,098
4.25%, 12/01/26 (Call 09/01/26)^a		1,716		1,731,187
Energy Transfer LP
3.60%, 02/01/23 (Call 11/01/22)		1,850		1,825,395
4.05%, 03/15/25 (Call 12/15/24)		2,725		2,681,781
4.15%, 10/01/20 (Call 08/01/20)		625		638,300
4.65%, 06/01/21 (Call 03/01/21)		2,287		2,368,211
4.75%, 01/15/26 (Call 10/15/25)^a		2,505		2,545,205
5.20%, 02/01/22 (Call 11/01/21)		3,291		3,467,134
9.00%, 04/15/19		1,065		1,133,618
9.70%, 03/15/19		1,165		1,246,119
Energy Transfer LP/Regency Energy Finance Corp.
4.50%, 11/01/23 (Call 08/01/23)		575		584,102


Security	Principal (000s)		Value
5.00%, 10/01/22 (Call 07/01/22)	$	1,250	$	1,309,113
5.88%, 03/01/22 (Call 12/01/21)		535		574,547
EnLink Midstream Partners LP
2.70%, 04/01/19 (Call 03/01/19)		275		273,020
4.15%, 06/01/25 (Call 03/01/25)		1,130		1,105,682
4.40%, 04/01/24 (Call 01/01/24)		1,335		1,342,396
4.85%, 07/15/26 (Call 04/15/26)^a		620		634,551
Enterprise Products Operating LLC
2.55%, 10/15/19 (Call 09/15/19)		635		631,920
2.80%, 02/15/21		550		546,634
2.85%, 04/15/21 (Call 03/15/21)		910		903,694
3.35%, 03/15/23 (Call 12/15/22)		3,551		3,543,259
3.70%, 02/15/26 (Call 11/15/25)		1,845		1,836,181
3.75%, 02/15/25 (Call 11/15/24)		1,985		1,995,620
3.90%, 02/15/24 (Call 11/15/23)		500		508,410
3.95%, 02/15/27 (Call 11/15/26)^a		3,050		3,082,147
4.05%, 02/15/22		5,068		5,215,580
5.20%, 09/01/20^a		943		992,159
5.25%, 01/31/20		435		453,857
(3 mo. LIBOR US + 2.570%)
5.38%, 02/15/78 (Call 02/15/28)^c		1,000		965,952
Series E (3 mo. LIBOR US + 3.033%)
5.25%, 08/16/77 (Call 08/16/27)^c		1,000		967,170
EQT Midstream Partners LP
4.00%, 08/01/24 (Call 05/01/24)		650		636,565


Security	Principal (000s)		Value
Kinder Morgan Energy Partners LP
3.45%, 02/15/23 (Call 11/15/22)	$	575	$	568,359
3.50%, 03/01/21 (Call 01/01/21)		420		422,054
3.50%, 09/01/23 (Call 06/01/23)		1,300		1,277,692
3.95%, 09/01/22 (Call 06/01/22)		1,410		1,427,724
4.15%, 03/01/22		900		919,881
4.25%, 09/01/24 (Call 06/01/24)		4,595		4,653,678
4.30%, 05/01/24 (Call 02/01/24)		1,650		1,674,568
5.00%, 10/01/21 (Call 07/01/21)		2,100		2,204,433
5.30%, 09/15/20		876		920,264
5.80%, 03/01/21		930		993,407
6.50%, 04/01/20		527		562,003
6.85%, 02/15/20		2,115		2,262,394
Kinder Morgan Inc./DE
3.05%, 12/01/19 (Call 11/01/19)		1,283		1,283,513
3.15%, 01/15/23 (Call 12/15/22)		1,400		1,371,594
4.30%, 06/01/25 (Call 03/01/25)		100		101,185
4.30%, 03/01/28 (Call 12/01/27)		1,500		1,494,930
6.50%, 09/15/20		1,000		1,078,420
Magellan Midstream Partners LP
4.25%, 02/01/21		770		793,285
5.00%, 03/01/26 (Call 12/01/25)^a		1,500		1,623,330
6.55%, 07/15/19		760		796,267
MPLX LP
4.00%, 02/15/25 (Call 11/15/24)^a		3,100		3,095,412
4.13%, 03/01/27 (Call 12/01/26)		1,790		1,779,707
4.50%, 07/15/23 (Call 04/15/23)		300		310,140
4.88%, 12/01/24 (Call 09/01/24)		2,220		2,339,858


Security	Principal (000s)		Value
4.88%, 06/01/25 (Call 03/01/25)^a	$	810	$	850,800
5.50%, 02/15/23 (Call 04/02/18)		1,950		2,004,873
ONEOK Inc.
4.00%, 07/13/27 (Call 04/13/27)^a		1,950		1,922,856
7.50%, 09/01/23 (Call 06/01/23)		500		586,750
ONEOK Partners LP
3.38%, 10/01/22 (Call 07/01/22)		141		139,500
4.90%, 03/15/25 (Call 12/15/24)		1,000		1,051,310
8.63%, 03/01/19		1,070		1,128,401
Phillips 66 Partners LP
2.65%, 02/15/20 (Call 01/15/20)		1,100		1,094,148
3.55%, 10/01/26 (Call 07/01/26)		1,000		960,260
3.61%, 02/15/25 (Call 11/15/24)		460		451,895
3.75%, 03/01/28 (Call 12/01/27)^a		910		882,136
Plains All American Pipeline LP/PAA Finance Corp.
2.60%, 12/15/19 (Call 11/15/19)		660		651,948
2.85%, 01/31/23 (Call 10/31/22)		1,000		943,840
3.60%, 11/01/24 (Call 08/01/24)		835		797,024
3.65%, 06/01/22 (Call 03/01/22)		240		236,863
3.85%, 10/15/23 (Call 07/15/23)		35		34,477
4.50%, 12/15/26 (Call 09/15/26)^a		845		838,079
4.65%, 10/15/25 (Call 07/15/25)		335		337,255
5.00%, 02/01/21 (Call 11/01/20)		448		463,908
5.75%, 01/15/20		690		721,181


Security	Principal (000s)		Value
Sabine Pass Liquefaction LLC
5.00%, 03/15/27 (Call 09/15/26)	$	5,050	$	5,244,475
5.63%, 02/01/21 (Call 11/01/20)^a		5,825		6,150,443
5.63%, 03/01/25 (Call 12/01/24)		330		355,169
5.75%, 05/15/24 (Call 02/15/24)		5,380		5,809,485
5.88%, 06/30/26 (Call 12/31/25)		2,320		2,535,830
6.25%, 03/15/22 (Call 12/15/21)		4,575		4,988,900
Southern Natural Gas Co. LLC/Southern Natural Issuing Corp.
4.40%, 06/15/21 (Call 03/15/21)		600		617,760
Spectra Energy Capital LLC
3.30%, 03/15/23 (Call 03/27/18)		660		671,596
Spectra Energy Partners LP
3.38%, 10/15/26 (Call 07/15/26)		1,330		1,267,025
3.50%, 03/15/25 (Call 12/15/24)^a		275		267,152
4.75%, 03/15/24 (Call 12/15/23)		560		589,361
Sunoco Logistics Partners Operations LP
3.45%, 01/15/23 (Call 10/15/22)		865		847,207
3.90%, 07/15/26 (Call 04/15/26)^a		1,230		1,180,099
4.00%, 10/01/27 (Call 07/01/27)^a		1,500		1,431,930
4.65%, 02/15/22		1,925		1,995,609
5.95%, 12/01/25 (Call 09/01/25)		585		638,492
TC PipeLines LP
3.90%, 05/25/27 (Call 02/25/27)		545		530,127
4.38%, 03/13/25 (Call 12/13/24)		650		660,140


Security	Principal (000s)		Value
4.65%, 06/15/21 (Call 03/15/21)	$	450	$	464,351
TransCanada PipeLines Ltd.
2.13%, 11/15/19		1,500		1,485,045
2.50%, 08/01/22		2,294		2,230,823
3.75%, 10/16/23 (Call 07/16/23)		1,300		1,330,537
3.80%, 10/01/20		755		772,206
4.88%, 01/15/26 (Call 10/15/25)^a		1,500		1,628,715
9.88%, 01/01/21		320		376,624
Transcontinental Gas Pipe Line Co. LLC
7.85%, 02/01/26 (Call 11/01/25)		2,420		3,013,311
Valero Energy Partners LP
4.38%, 12/15/26 (Call 09/15/26)		2,000		2,025,000
Western Gas Partners LP
3.95%, 06/01/25 (Call 03/01/25)		1,595		1,556,034
4.00%, 07/01/22 (Call 04/01/22)		1,485		1,489,084
4.65%, 07/01/26 (Call 04/01/26)^a		1,710		1,733,872
5.38%, 06/01/21 (Call 03/01/21)		363		379,128
Williams Partners LP
3.35%, 08/15/22 (Call 05/15/22)		1,050		1,039,143
3.60%, 03/15/22 (Call 01/15/22)		3,056		3,062,479
3.75%, 06/15/27 (Call 03/15/27)^a		1,365		1,326,903
3.90%, 01/15/25 (Call 10/15/24)		1,150		1,142,514
4.00%, 11/15/21 (Call 08/15/21)		2,650		2,702,576
4.00%, 09/15/25 (Call 06/15/25)		396		394,499
4.13%, 11/15/20 (Call 08/15/20)		70		71,628
4.30%, 03/04/24 (Call 12/04/23)		4,442		4,549,807


Security	Principal (000s)		Value
4.50%, 11/15/23 (Call 08/15/23)	$	100	$	103,341
5.25%, 03/15/20		1,507		1,572,419
Williams Partners LP/ACMP Finance Corp.
4.88%, 03/15/24 (Call 03/28/18)		640		669,094

				196,491,853
REAL ESTATE — 0.11%
Brookfield Asset Management Inc.
4.00%, 01/15/25 (Call 10/15/24)^a		955		956,261
CBRE Services Inc.
4.88%, 03/01/26 (Call 12/01/25)		445		467,891
5.00%, 03/15/23 (Call 03/15/18)		1,060		1,086,627
5.25%, 03/15/25 (Call 12/15/24)		1,250		1,337,262
Prologis LP
3.75%, 11/01/25 (Call 08/01/25)		70		71,170
4.25%, 08/15/23 (Call 05/15/23)		3,850		4,025,175

				7,944,386
REAL ESTATE INVESTMENT TRUSTS — 2.87%
Alexandria Real Estate Equities Inc.
3.45%, 04/30/25 (Call 02/28/25)		175		169,108
3.90%, 06/15/23 (Call 03/15/23)		2,105		2,136,196
4.60%, 04/01/22 (Call 01/01/22)^a		1,565		1,635,237
American Campus Communities Operating Partnership LP
3.35%, 10/01/20 (Call 09/01/20)		1,800		1,816,938
4.13%, 07/01/24 (Call 04/01/24)		262		265,249
American Tower Corp.
2.80%, 06/01/20 (Call 05/01/20)		1,163		1,156,906


Security	Principal (000s)		Value
3.00%, 06/15/23	$	1,735	$	1,691,851
3.13%, 01/15/27 (Call 10/15/26)^a		50		46,330
3.45%, 09/15/21^a		1,968		1,980,890
3.50%, 01/31/23		2,025		2,023,785
3.55%, 07/15/27 (Call 04/15/27)		2,890		2,753,130
3.60%, 01/15/28 (Call 10/15/27)		1,000		951,390
4.00%, 06/01/25 (Call 03/01/25)		1,330		1,332,780
4.40%, 02/15/26 (Call 11/15/25)		1,400		1,431,934
4.70%, 03/15/22		840		879,514
5.00%, 02/15/24		1,305		1,392,879
5.05%, 09/01/20		1,096		1,147,019
5.90%, 11/01/21		4,395		4,787,298
AvalonBay Communities Inc.
2.90%, 10/15/26 (Call 07/15/26)		1,500		1,415,295
2.95%, 05/11/26 (Call 02/11/26)		2,000		1,904,560
3.50%, 11/15/24 (Call 08/15/24)		1,070		1,072,268
3.63%, 10/01/20 (Call 07/01/20)		445		452,561
4.20%, 12/15/23 (Call 09/16/23)		325		339,196
Boston Properties LP
2.75%, 10/01/26 (Call 07/01/26)		2,360		2,181,537
3.13%, 09/01/23 (Call 06/01/23)^a		710		700,756
3.65%, 02/01/26 (Call 11/03/25)		2,933		2,909,155
3.80%, 02/01/24 (Call 11/01/23)		780		792,028
3.85%, 02/01/23 (Call 11/01/22)		1,085		1,111,073
4.13%, 05/15/21 (Call 02/15/21)		770		794,632
5.63%, 11/15/20 (Call 08/15/20)		1,491		1,589,943


Security	Principal (000s)		Value
5.88%, 10/15/19 (Call 07/17/19)	$	1,080	$	1,127,347
Brandywine Operating Partnership LP
3.95%, 11/15/27 (Call 08/15/27)		1,150		1,109,244
Brixmor Operating Partnership LP
3.25%, 09/15/23 (Call 07/15/23)^a		1,000		962,800
3.65%, 06/15/24 (Call 04/15/24)^a		970		949,649
3.88%, 08/15/22 (Call 06/15/22)		182		183,312
3.90%, 03/15/27 (Call 12/15/26)^a		1,000		960,820
4.13%, 06/15/26 (Call 03/15/26)		1,000		982,930
CBL & Associates LP
4.60%, 10/15/24 (Call 07/15/24)^a		355		291,359
5.25%, 12/01/23 (Call 09/01/23)^a		600		509,616
5.95%, 12/15/26 (Call 09/15/26)^a		372		317,707
CC Holdings GS V LLC/Crown Castle GS III Corp.
3.85%, 04/15/23		3,624		3,649,078
Columbia Property Trust Operating Partnership LP
3.65%, 08/15/26 (Call 05/15/26)		2,000		1,897,340
Corporate Office Properties LP
3.60%, 05/15/23 (Call 02/15/23)		60		59,102
3.70%, 06/15/21 (Call 04/15/21)		875		878,351
Crown Castle International Corp.
2.25%, 09/01/21 (Call 08/01/21)^a		1,815		1,758,535
3.20%, 09/01/24 (Call 07/01/24)		510		491,344
3.40%, 02/15/21 (Call 01/15/21)		5,585		5,621,358


Security	Principal (000s)		Value
3.65%, 09/01/27 (Call 06/01/27)	$	2,115	$	2,025,324
3.70%, 06/15/26 (Call 03/15/26)^a		1,898		1,830,640
3.80%, 02/15/28 (Call 11/15/27)		1,000		964,090
4.00%, 03/01/27 (Call 12/01/26)		25		24,754
4.45%, 02/15/26 (Call 11/15/25)		250		255,245
4.88%, 04/15/22		60		63,122
5.25%, 01/15/23		1,165		1,248,577
CubeSmart LP
3.13%, 09/01/26 (Call 06/01/26)^a		310		286,651
4.80%, 07/15/22 (Call 04/15/22)		250		262,415
DDR Corp.
3.63%, 02/01/25 (Call 11/01/24)^a		2,340		2,257,936
4.63%, 07/15/22 (Call 04/15/22)^a		1,900		1,967,982
Digital Realty Trust LP
3.40%, 10/01/20 (Call 09/01/20)		1,000		1,011,430
3.63%, 10/01/22 (Call 07/03/22)		1,000		1,011,210
3.70%, 08/15/27 (Call 05/15/27)		1,525		1,484,359
3.95%, 07/01/22 (Call 05/01/22)		70		71,805
4.75%, 10/01/25 (Call 07/01/25)		1,000		1,057,940
5.25%, 03/15/21 (Call 12/15/20)		445		469,755
Duke Realty LP
3.63%, 04/15/23 (Call 01/15/23)		255		257,078
3.88%, 10/15/22 (Call 07/15/22)		1,425		1,457,390
4.38%, 06/15/22 (Call 03/15/22)		450		468,702


Security	Principal (000s)		Value
EPR Properties
4.50%, 06/01/27 (Call 03/01/27)^a	$	1,000	$	986,020
4.75%, 12/15/26 (Call 09/15/26)		1,000		1,002,070
5.75%, 08/15/22 (Call 05/15/22)		1,140		1,220,210
ERP Operating LP
2.38%, 07/01/19 (Call 06/01/19)		200		199,202
2.85%, 11/01/26 (Call 08/01/26)^a		1,735		1,632,548
3.00%, 04/15/23 (Call 01/15/23)		1,070		1,060,809
3.50%, 03/01/28 (Call 12/01/27)		3,000		2,949,180
4.63%, 12/15/21 (Call 09/15/21)		979		1,030,867
4.75%, 07/15/20 (Call 04/15/20)		323		336,333
Essex Portfolio LP
3.25%, 05/01/23 (Call 02/01/23)^a		100		98,802
3.38%, 01/15/23 (Call 10/15/22)		70		69,602
3.63%, 08/15/22 (Call 05/15/22)		1,000		1,008,590
3.88%, 05/01/24 (Call 02/01/24)		3,110		3,139,327
Government Properties Income Trust
4.00%, 07/15/22 (Call 06/15/22)		410		409,988
HCP Inc.
2.63%, 02/01/20 (Call 11/01/19)		200		199,028
3.15%, 08/01/22 (Call 05/01/22)		2,330		2,312,315
3.40%, 02/01/25 (Call 11/01/24)		1,675		1,628,468
3.88%, 08/15/24 (Call 05/17/24)		1,260		1,262,444
4.00%, 12/01/22 (Call 10/01/22)		1,400		1,440,026


Security	Principal (000s)		Value
4.00%, 06/01/25 (Call 03/01/25)^a	$	410	$	411,492
4.20%, 03/01/24 (Call 12/01/23)		420		428,950
4.25%, 11/15/23 (Call 08/15/23)		274		282,247
5.38%, 02/01/21 (Call 11/03/20)		334		353,195
Healthcare Realty Trust Inc.
3.63%, 01/15/28 (Call 10/15/27)		695		667,791
3.75%, 04/15/23 (Call 01/15/23)		396		395,901
Healthcare Trust of America Holdings LP
2.95%, 07/01/22 (Call 06/01/22)		1,500		1,469,565
3.38%, 07/15/21 (Call 05/15/21)		900		902,853
3.75%, 07/01/27 (Call 04/01/27)^a		25		24,131
Highwoods Realty LP
3.20%, 06/15/21 (Call 04/15/21)		500		498,210
3.63%, 01/15/23 (Call 10/15/22)		360		356,922
Hospitality Properties Trust
4.25%, 02/15/21 (Call 11/15/20)		1,225		1,251,313
4.50%, 06/15/23 (Call 12/15/22)		200		205,712
4.50%, 03/15/25 (Call 09/15/24)		710		715,162
4.65%, 03/15/24 (Call 09/15/23)^a		615		629,551
5.00%, 08/15/22 (Call 02/15/22)		750		783,720
5.25%, 02/15/26 (Call 08/15/25)		335		349,797
Host Hotels & Resorts LP
3.88%, 04/01/24 (Call 02/01/24)		655		648,064
4.00%, 06/15/25 (Call 03/15/25)		2,375		2,352,794


Security	Principal (000s)		Value
4.75%, 03/01/23 (Call 12/01/22)	$	25	$	26,038
5.25%, 03/15/22 (Call 12/15/21)		250		263,895
Series D
3.75%, 10/15/23 (Call 07/15/23)^a		685		681,328
Kilroy Realty LP
3.45%, 12/15/24 (Call 09/15/24)		1,955		1,898,755
4.38%, 10/01/25 (Call 07/01/25)		125		127,493
Kimco Realty Corp.
2.80%, 10/01/26 (Call 07/01/26)^a		1,680		1,533,521
3.13%, 06/01/23 (Call 03/01/23)^a		1,400		1,367,478
3.20%, 05/01/21 (Call 03/01/21)^a		494		495,680
3.40%, 11/01/22 (Call 09/01/22)		851		853,791
3.80%, 04/01/27 (Call 01/01/27)		1,000		978,900
Kite Realty Group LP
4.00%, 10/01/26 (Call 07/01/26)		500		464,390
Liberty Property LP
4.13%, 06/15/22 (Call 03/15/22)		1,000		1,031,630
4.40%, 02/15/24 (Call 11/15/23)		1,600		1,664,160
4.75%, 10/01/20 (Call 07/01/20)		100		104,072
Lifestorage LP/CA
3.50%, 07/01/26 (Call 04/01/26)		1,100		1,047,420
Mid-America Apartments LP
3.60%, 06/01/27 (Call 03/01/27)^a		1,000		971,020
3.75%, 06/15/24 (Call 03/15/24)		1,250		1,257,000
4.30%, 10/15/23 (Call 07/15/23)		375		388,256


Security	Principal (000s)		Value
National Retail Properties Inc.
3.30%, 04/15/23 (Call 01/15/23)^a	$	950	$	941,345
3.90%, 06/15/24 (Call 03/15/24)		1,150		1,156,992
4.00%, 11/15/25 (Call 08/15/25)^a		15		14,958
5.50%, 07/15/21 (Call 04/15/21)		1,000		1,064,860
Omega Healthcare Investors Inc.
4.38%, 08/01/23 (Call 06/01/23)		1,451		1,447,503
4.50%, 04/01/27 (Call 01/01/27)^a		970		926,719
5.25%, 01/15/26 (Call 10/15/25)		1,110		1,122,055
Physicians Realty LP
4.30%, 03/15/27 (Call 12/15/26)		500		496,795
Piedmont Operating Partnership LP
3.40%, 06/01/23 (Call 03/01/23)		1,000		974,170
4.45%, 03/15/24 (Call 12/15/23)		200		203,516
Public Storage
2.37%, 09/15/22 (Call 08/15/22)		2,757		2,667,205
Rayonier Inc.
3.75%, 04/01/22 (Call 01/01/22)		922		919,086
Realty Income Corp.
3.00%, 01/15/27 (Call 10/15/26)^a		1,199		1,122,192
3.25%, 10/15/22 (Call 07/15/22)		1,360		1,350,997
3.88%, 07/15/24 (Call 04/15/24)		850		860,651
4.13%, 10/15/26 (Call 07/15/26)		740		749,827
Regency Centers LP
3.60%, 02/01/27 (Call 11/01/26)		1,535		1,478,466


Security	Principal (000s)		Value
3.75%, 06/15/24 (Call 03/15/24)	$	500	$	497,915
Sabra Health Care LP
5.13%, 08/15/26 (Call 05/15/26)		1,000		973,280
Select Income REIT
3.60%, 02/01/20 (Call 01/01/20)		760		763,139
4.50%, 02/01/25 (Call 11/01/24)^a		828		813,576
Senior Housing Properties Trust
3.25%, 05/01/19 (Call 02/01/19)		700		701,680
4.75%, 02/15/28 (Call 08/15/27)		2,000		1,957,440
Simon Property Group LP
2.35%, 01/30/22 (Call 10/30/21)		3,740		3,637,374
2.50%, 09/01/20 (Call 06/01/20)		1,342		1,335,317
2.50%, 07/15/21 (Call 04/15/21)		150		147,867
2.63%, 06/15/22 (Call 03/15/22)		1,880		1,838,546
2.75%, 02/01/23 (Call 11/01/22)		825		806,075
3.25%, 11/30/26 (Call 08/30/26)^a		800		773,968
3.30%, 01/15/26 (Call 10/15/25)^a		4,710		4,580,098
3.38%, 03/15/22 (Call 12/15/21)^a		250		252,763
3.38%, 10/01/24 (Call 07/01/24)		215		213,534
3.38%, 06/15/27 (Call 03/15/27)^a		1,218		1,181,838
3.50%, 09/01/25 (Call 06/01/25)		69		68,598
3.75%, 02/01/24 (Call 11/01/23)^a		1,376		1,401,250
4.13%, 12/01/21 (Call 09/01/21)		1,290		1,335,627
4.38%, 03/01/21 (Call 12/01/20)		1,056		1,098,948


Security	Principal (000s)		Value
SL Green Operating Partnership LP
3.25%, 10/15/22 (Call 09/15/22)	$	1,000	$	980,540
Spirit Realty LP
4.45%, 09/15/26 (Call 06/15/26)^a		400		388,056
UDR Inc.
2.95%, 09/01/26 (Call 06/01/26)		189		175,498
3.70%, 10/01/20 (Call 07/01/20)		610		621,053
3.75%, 07/01/24 (Call 04/01/24)		25		25,111
4.63%, 01/10/22 (Call 10/10/21)		580		605,189
Ventas Realty LP
3.13%, 06/15/23 (Call 03/15/23)^a		1,000		979,040
3.25%, 10/15/26 (Call 07/15/26)^a		535		505,875
3.50%, 02/01/25 (Call 11/01/24)^a		1,095		1,073,209
3.85%, 04/01/27 (Call 01/01/27)		400		393,044
4.13%, 01/15/26 (Call 10/15/25)		380		384,640
Ventas Realty LP/Ventas Capital Corp.
2.70%, 04/01/20 (Call 01/01/20)		1,150		1,144,445
4.25%, 03/01/22 (Call 12/01/21)		325		335,046
4.75%, 06/01/21 (Call 03/01/21)		970		1,013,640
VEREIT Operating Partnership LP
3.95%, 08/15/27 (Call 05/15/27)		940		892,116
4.13%, 06/01/21 (Call 05/01/21)		2,000		2,047,920
4.60%, 02/06/24 (Call 11/06/23)		101		103,621
4.88%, 06/01/26 (Call 03/01/26)		265		270,019


Security	Principal (000s)		Value
Vornado Realty LP
5.00%, 01/15/22 (Call 10/15/21)	$	2,800	$	2,953,104
Washington REIT
4.95%, 10/01/20 (Call 04/01/20)		350		361,788
Weingarten Realty Investors
3.38%, 10/15/22 (Call 07/15/22)		200		198,830
Welltower Inc.
3.75%, 03/15/23 (Call 12/15/22)		195		197,999
4.00%, 06/01/25 (Call 03/01/25)		320		322,432
4.13%, 04/01/19 (Call 01/01/19)		1,120		1,132,376
4.25%, 04/01/26 (Call 01/01/26)		4,875		4,977,862
4.50%, 01/15/24 (Call 10/15/23)		260		270,468
4.95%, 01/15/21 (Call 10/15/20)		888		928,173
5.25%, 01/15/22 (Call 10/15/21)		915		976,186
6.13%, 04/15/20		500		533,450
Weyerhaeuser Co.
3.25%, 03/15/23 (Call 12/15/22)		1,070		1,057,224
4.63%, 09/15/23		785		831,731
4.70%, 03/15/21 (Call 12/15/20)		1,680		1,750,627
7.38%, 10/01/19		2,000		2,141,440
WP Carey Inc.
4.00%, 02/01/25 (Call 11/01/24)		570		562,641
4.60%, 04/01/24 (Call 01/01/24)^a		650		669,721

				206,636,045
RETAIL — 2.00%
Advance Auto Parts Inc.
4.50%, 01/15/22 (Call 10/15/21)		540		558,554
4.50%, 12/01/23 (Call 09/01/23)^a		35		36,155


Security	Principal (000s)		Value
5.75%, 05/01/20	$	775	$	816,617
AutoNation Inc.
3.35%, 01/15/21 (Call 12/15/20)		470		471,631
3.50%, 11/15/24 (Call 09/15/24)^a		175		169,283
3.80%, 11/15/27 (Call 08/15/27)		150		143,000
4.50%, 10/01/25 (Call 07/01/25)		755		766,272
5.50%, 02/01/20		445		464,006
AutoZone Inc.
1.63%, 04/21/19^a		485		479,418
2.50%, 04/15/21 (Call 03/15/21)		515		505,436
2.88%, 01/15/23 (Call 10/15/22)		750		731,460
3.13%, 07/15/23 (Call 04/15/23)		2,421		2,381,102
3.13%, 04/21/26 (Call 01/21/26)^a		955		902,761
3.25%, 04/15/25 (Call 01/15/25)^a		1,245		1,202,521
3.70%, 04/15/22 (Call 01/15/22)		440		446,239
4.00%, 11/15/20 (Call 08/15/20)		150		153,812
Bed Bath & Beyond Inc.
3.75%, 08/01/24 (Call 05/01/24)^a		408		398,396
Best Buy Co. Inc.
5.50%, 03/15/21 (Call 12/15/20)		1,725		1,833,502
Costco Wholesale Corp.
1.70%, 12/15/19		3,825		3,764,412
1.75%, 02/15/20		1,423		1,401,712
2.15%, 05/18/21 (Call 04/18/21)^a		725		712,312
2.25%, 02/15/22^a		400		390,268
2.30%, 05/18/22 (Call 04/18/22)		915		891,393
2.75%, 05/18/24 (Call 03/18/24)^a		1,325		1,289,940


Security	Principal (000s)		Value
3.00%, 05/18/27 (Call 02/18/27)^a	$	1,250	$	1,207,762
Darden Restaurants Inc.
3.85%, 05/01/27 (Call 02/01/27)^a		1,550		1,527,897
Dollar General Corp.
3.25%, 04/15/23 (Call 01/15/23)^a		1,400		1,387,022
3.88%, 04/15/27 (Call 01/15/27)^a		2,400		2,411,808
4.15%, 11/01/25 (Call 08/01/25)^a		1,055		1,086,745
Home Depot Inc. (The)
2.00%, 06/15/19 (Call 05/15/19)		2,900		2,886,602
2.13%, 09/15/26 (Call 06/15/26)^a		3,450		3,113,866
2.63%, 06/01/22 (Call 05/01/22)		1,677		1,655,987
2.70%, 04/01/23 (Call 01/01/23)^a		3,283		3,222,954
2.80%, 09/14/27 (Call 06/14/27)		890		838,736
3.00%, 04/01/26 (Call 01/01/26)^a		730		707,903
3.35%, 09/15/25 (Call 06/15/25)		1,370		1,362,027
3.95%, 09/15/20 (Call 06/15/20)		1,000		1,030,270
4.40%, 04/01/21 (Call 01/01/21)		2,539		2,652,773
Kohl’s Corp.
4.00%, 11/01/21 (Call 08/01/21)		1,438		1,460,936
4.25%, 07/17/25 (Call 04/17/25)^a		195		198,243
4.75%, 12/15/23 (Call 09/15/23)		500		525,420
Lowe’s Companies Inc.
1.15%, 04/15/19		1,260		1,240,848
2.50%, 04/15/26 (Call 01/15/26)^a		4,955		4,578,370
3.10%, 05/03/27 (Call 02/03/27)		1,550		1,485,768


Security	Principal (000s)		Value
3.12%, 04/15/22 (Call 01/15/22)	$	853	$	856,958
3.13%, 09/15/24 (Call 06/15/24)		1,575		1,554,982
3.38%, 09/15/25 (Call 06/15/25)		910		898,425
3.75%, 04/15/21 (Call 01/15/21)		150		153,771
3.80%, 11/15/21 (Call 08/15/21)^a		1,555		1,600,468
3.88%, 09/15/23 (Call 06/15/23)		820		851,422
4.63%, 04/15/20 (Call 10/15/19)		575		593,199
Macy’s Retail Holdings Inc.
2.88%, 02/15/23 (Call 11/15/22)^a		675		629,620
3.45%, 01/15/21 (Call 12/15/20)		800		796,240
3.63%, 06/01/24 (Call 03/01/24)^a		660		631,204
3.88%, 01/15/22 (Call 10/15/21)		307		307,037
McDonald’s Corp.
1.88%, 05/29/19		1,900		1,885,218
2.20%, 05/26/20 (Call 04/26/20)		461		456,081
2.63%, 01/15/22		1,568		1,542,034
2.75%, 12/09/20 (Call 11/09/20)		3,821		3,815,727
3.25%, 06/10/24		1,376		1,375,202
3.38%, 05/26/25 (Call 02/26/25)^a		2,490		2,464,577
3.50%, 03/01/27 (Call 12/01/26)^a		2,075		2,040,908
3.63%, 05/20/21		415		424,599
3.70%, 01/30/26 (Call 10/30/25)		4,055		4,062,137
Nordstrom Inc.
4.00%, 10/15/21 (Call 07/15/21)		350		354,666
4.00%, 03/15/27 (Call 12/15/26)^a		247		241,588


Security	Principal (000s)		Value
4.75%, 05/01/20	$	490	$	499,398
O’Reilly Automotive Inc.
3.55%, 03/15/26 (Call 12/15/25)^a		435		425,769
3.85%, 06/15/23 (Call 03/15/23)		1,100		1,124,673
4.63%, 09/15/21 (Call 06/15/21)^a		475		496,765
4.88%, 01/14/21 (Call 10/14/20)		115		120,184
QVC Inc.
3.13%, 04/01/19		625		625,888
4.38%, 03/15/23		610		609,427
4.45%, 02/15/25 (Call 11/15/24)		775		763,499
4.85%, 04/01/24		575		583,062
5.13%, 07/02/22		675		697,829
Starbucks Corp.
2.10%, 02/04/21 (Call 01/04/21)		3,690		3,626,458
2.20%, 11/22/20		1,050		1,038,691
2.45%, 06/15/26 (Call 03/15/26)^a		1,140		1,060,770
2.70%, 06/15/22 (Call 04/15/22)^a		485		480,087
3.10%, 03/01/23 (Call 02/01/23)		1,500		1,497,285
3.50%, 03/01/28 (Call 12/01/27)		1,500		1,489,110
3.85%, 10/01/23 (Call 07/01/23)		925		960,612
Tapestry Inc.
3.00%, 07/15/22 (Call 06/15/22)^a		1,730		1,688,428
4.13%, 07/15/27 (Call 04/15/27)^a		605		591,872
4.25%, 04/01/25 (Call 01/01/25)^a		1,000		998,270
Target Corp.
2.30%, 06/26/19^a		3,108		3,101,162
2.50%, 04/15/26^a		4,595		4,268,066
2.90%, 01/15/22		2,345		2,348,306
3.50%, 07/01/24		1,355		1,377,696
3.88%, 07/15/20		1,226		1,261,272


Security	Principal (000s)		Value
TJX Companies Inc. (The)
2.25%, 09/15/26 (Call 06/15/26)	$	555	$	501,742
2.50%, 05/15/23 (Call 02/15/23)		35		33,956
2.75%, 06/15/21 (Call 04/15/21)		570		569,014
Walgreen Co.
3.10%, 09/15/22		2,485		2,440,320
Walgreens Boots Alliance Inc.
2.70%, 11/18/19 (Call 10/18/19)		2,170		2,163,230
3.30%, 11/18/21 (Call 09/18/21)^a		1,185		1,187,014
3.45%, 06/01/26 (Call 03/01/26)		4,950		4,689,184
3.80%, 11/18/24 (Call 08/18/24)^a		3,741		3,716,534
Walmart Inc.
1.90%, 12/15/20^a		2,000		1,963,680
2.35%, 12/15/22 (Call 11/15/22)		2,200		2,142,030
2.55%, 04/11/23 (Call 01/11/23)^a		2,214		2,168,679
2.65%, 12/15/24 (Call 10/15/24)		2,000		1,942,920
3.30%, 04/22/24 (Call 01/22/24)^a		4,305		4,348,653
3.63%, 07/08/20		1,232		1,262,936

				143,892,673
SAVINGS & LOANS — 0.01%
People’s United Financial Inc.
3.65%, 12/06/22 (Call 09/06/22)		355		358,774

				358,774
SEMICONDUCTORS — 1.49%
Altera Corp.
4.10%, 11/15/23		1,350		1,418,931
Analog Devices Inc.
2.50%, 12/05/21 (Call 11/05/21)^a		2,587		2,526,594
2.88%, 06/01/23 (Call 03/01/23)		1,550		1,514,148


Security	Principal (000s)		Value
3.50%, 12/05/26 (Call 09/05/26)	$	2,540	$	2,480,386
3.90%, 12/15/25 (Call 09/15/25)		420		425,347
Applied Materials Inc.
2.63%, 10/01/20 (Call 09/01/20)^a		575		573,367
3.30%, 04/01/27 (Call 01/01/27)^a		1,820		1,782,290
3.90%, 10/01/25 (Call 07/01/25)		640		657,984
4.30%, 06/15/21		1,500		1,564,800
Broadcom Corp./Broadcom Cayman Finance Ltd.
2.20%, 01/15/21		4,000		3,875,880
2.38%, 01/15/20		4,650		4,593,177
2.65%, 01/15/23 (Call 12/15/22)		3,675		3,478,865
3.00%, 01/15/22 (Call 12/15/21)		6,505		6,362,931
3.13%, 01/15/25 (Call 11/15/24)		155		144,982
3.50%, 01/15/28 (Call 10/15/27)		940		868,682
3.63%, 01/15/24 (Call 11/15/23)^a		6,415		6,265,659
3.88%, 01/15/27 (Call 10/15/26)		5,007		4,807,771
Intel Corp.
1.70%, 05/19/21 (Call 04/19/21)^a		820		794,195
1.85%, 05/11/20		1,000		984,520
2.35%, 05/11/22 (Call 04/11/22)^a		1,100		1,076,339
2.45%, 07/29/20		4,205		4,191,502
2.60%, 05/19/26 (Call 02/19/26)		2,200		2,073,038
2.70%, 12/15/22		1,275		1,259,139
2.88%, 05/11/24 (Call 03/11/24)		2,340		2,289,573
3.10%, 07/29/22		2,015		2,029,931
3.15%, 05/11/27 (Call 02/11/27)^a		1,425		1,392,453


Security	Principal (000s)		Value
3.30%, 10/01/21	$	4,066	$	4,136,789
3.70%, 07/29/25 (Call 04/29/25)^a		3,680		3,753,195
KLA-Tencor Corp.
3.38%, 11/01/19 (Call 10/01/19)		220		222,055
4.13%, 11/01/21 (Call 09/01/21)		270		277,914
4.65%, 11/01/24 (Call 08/01/24)^a		1,420		1,491,880
Lam Research Corp.
2.75%, 03/15/20 (Call 02/15/20)		565		563,983
2.80%, 06/15/21 (Call 05/15/21)		1,561		1,546,483
3.80%, 03/15/25 (Call 12/15/24)		1,200		1,218,648
Maxim Integrated Products Inc.
3.38%, 03/15/23 (Call 12/15/22)^a		660		652,047
NVIDIA Corp.
2.20%, 09/16/21 (Call 08/16/21)		698		679,447
3.20%, 09/16/26 (Call 06/16/26)		2,390		2,317,153
QUALCOMM Inc.
2.10%, 05/20/20		4,030		3,953,148
2.25%, 05/20/20		3,342		3,283,214
2.60%, 01/30/23 (Call 12/30/22)^a		2,310		2,199,028
2.90%, 05/20/24 (Call 03/20/24)		2,515		2,377,455
3.00%, 05/20/22^a		3,824		3,746,296
3.25%, 05/20/27 (Call 02/20/27)^a		4,900		4,585,469
3.45%, 05/20/25 (Call 02/20/25)^a		3,700		3,583,524
Texas Instruments Inc.
1.65%, 08/03/19		954		943,210
1.75%, 05/01/20 (Call 04/01/20)		1,064		1,045,146
2.63%, 05/15/24 (Call 03/15/24)		410		396,486


Security	Principal (000s)		Value
2.75%, 03/12/21 (Call 02/12/21)^a	$	540	$	540,054
2.90%, 11/03/27 (Call 08/03/27)		2,070		1,985,482
Xilinx Inc.
2.13%, 03/15/19		225		224,001
2.95%, 06/01/24 (Call 04/01/24)		900		871,353
3.00%, 03/15/21		900		897,498

				106,923,442
SHIPBUILDING — 0.02%
Huntington Ingalls Industries Inc.
3.48%, 12/01/27 (Call 09/01/27)^b		1,490		1,445,881

				1,445,881
SOFTWARE — 2.22%
Activision Blizzard Inc.
2.30%, 09/15/21 (Call 08/15/21)		1,800		1,746,900
3.40%, 09/15/26 (Call 06/15/26)^a		2,370		2,314,660
Adobe Systems Inc.
3.25%, 02/01/25 (Call 11/01/24)^a		775		770,366
4.75%, 02/01/20		258		268,186
Autodesk Inc.
3.50%, 06/15/27 (Call 03/15/27)		475		452,889
3.60%, 12/15/22 (Call 09/15/22)		1,600		1,610,672
4.38%, 06/15/25 (Call 03/15/25)		1,265		1,294,335
Broadridge Financial Solutions Inc.
3.40%, 06/27/26 (Call 03/27/26)		1,050		1,009,838
3.95%, 09/01/20		465		475,360
CA Inc.
3.60%, 08/15/22 (Call 07/15/22)		905		912,367
4.70%, 03/15/27 (Call 12/15/26)^a		1,020		1,038,238
5.38%, 12/01/19		480		499,704


Security	Principal (000s)		Value
Cadence Design Systems Inc.
4.38%, 10/15/24 (Call 07/15/24)	$	711	$	733,823
Citrix Systems Inc.
4.50%, 12/01/27 (Call 09/01/27)		2,000		1,986,000
Electronic Arts Inc.
3.70%, 03/01/21 (Call 02/01/21)		280		285,306
4.80%, 03/01/26 (Call 12/01/25)^a		1,025		1,097,959
Fidelity National Information Services Inc.
2.25%, 08/15/21 (Call 07/15/21)		1,100		1,066,263
3.00%, 08/15/26 (Call 05/15/26)		3,080		2,880,262
3.50%, 04/15/23 (Call 01/15/23)		3,017		3,023,306
3.63%, 10/15/20 (Call 09/15/20)		3,119		3,165,473
4.50%, 10/15/22 (Call 08/15/22)		150		157,218
5.00%, 10/15/25 (Call 07/15/25)		1,385		1,485,149
Fiserv Inc.
2.70%, 06/01/20 (Call 05/01/20)		168		167,686
3.50%, 10/01/22 (Call 07/01/22)		1,020		1,030,220
4.63%, 10/01/20		1,000		1,042,340
4.75%, 06/15/21		850		894,778
Microsoft Corp.
1.10%, 08/08/19		4,975		4,887,639
1.55%, 08/08/21 (Call 07/08/21)		6,800		6,530,176
1.85%, 02/06/20^a		2,485		2,458,634
1.85%, 02/12/20 (Call 01/12/20)		1,702		1,683,295
2.00%, 11/03/20 (Call 10/03/20)^a		3,885		3,821,558
2.00%, 08/08/23 (Call 06/08/23)		3,780		3,580,454


Security	Principal (000s)		Value
2.13%, 11/15/22^a	$	2,825	$	2,728,357
2.38%, 02/12/22 (Call 01/12/22)		4,037		3,960,297
2.38%, 05/01/23 (Call 02/01/23)		2,046		1,983,495
2.40%, 02/06/22 (Call 01/06/22)		4,725		4,641,556
2.40%, 08/08/26 (Call 05/08/26)		3,950		3,667,259
2.65%, 11/03/22 (Call 09/03/22)		5,770		5,690,778
2.70%, 02/12/25 (Call 11/12/24)^a		4,235		4,091,391
2.88%, 02/06/24 (Call 12/06/23)		1,943		1,909,542
3.00%, 10/01/20		499		504,709
3.13%, 11/03/25 (Call 08/03/25)		4,575		4,516,394
3.30%, 02/06/27 (Call 11/06/26)		4,890		4,846,088
3.63%, 12/15/23 (Call 09/15/23)		2,783		2,858,113
4.00%, 02/08/21^a		310		321,637
4.20%, 06/01/19		1,399		1,430,883
Oracle Corp.
1.90%, 09/15/21 (Call 08/15/21)^a		875		845,565
2.25%, 10/08/19		3,805		3,793,052
2.40%, 09/15/23 (Call 07/15/23)^a		3,395		3,239,815
2.50%, 05/15/22 (Call 03/15/22)		6,916		6,767,375
2.50%, 10/15/22		6,110		5,961,894
2.63%, 02/15/23 (Call 01/15/23)^a		2,175		2,124,301
2.65%, 07/15/26 (Call 04/15/26)		5,830		5,449,592
2.80%, 07/08/21		3,028		3,021,883
2.95%, 11/15/24 (Call 09/15/24)		1,650		1,602,183
2.95%, 05/15/25 (Call 02/15/25)		7,150		6,923,631
3.25%, 11/15/27 (Call 08/15/27)^a		2,475		2,405,774


Security	Principal (000s)		Value
3.40%, 07/08/24 (Call 04/08/24)	$	2,983	$	2,992,904
3.63%, 07/15/23^a		930		950,172
3.88%, 07/15/20		3,402		3,499,433
5.00%, 07/08/19		3,369		3,478,829
VMware Inc.
2.30%, 08/21/20		3,520		3,432,704
2.95%, 08/21/22 (Call 07/21/22)		2,820		2,718,057
3.90%, 08/21/27 (Call 05/21/27)^a		2,990		2,841,427

				159,570,144
TELECOMMUNICATIONS — 3.20%
America Movil SAB de CV
3.13%, 07/16/22		3,750		3,712,463
5.00%, 10/16/19		900		931,689
5.00%, 03/30/20		3,530		3,667,741
AT&T Inc.
2.30%, 03/11/19^a		355		354,237
2.45%, 06/30/20 (Call 05/30/20)		1,513		1,496,750
2.63%, 12/01/22 (Call 09/01/22)		3,750		3,620,513
2.80%, 02/17/21 (Call 01/17/21)^a		120		119,011
2.85%, 02/14/23 (Call 01/14/23)^a		1,575		1,564,196
3.00%, 02/15/22^a		2,300		2,268,582
3.00%, 06/30/22 (Call 04/30/22)		3,995		3,925,487
3.20%, 03/01/22 (Call 02/01/22)		4,600		4,570,744
3.40%, 08/14/24 (Call 06/14/24)		3,200		3,179,296
3.40%, 05/15/25 (Call 02/15/25)^a		7,450		7,166,602
3.60%, 02/17/23 (Call 12/17/22)		5,745		5,759,535
3.80%, 03/15/22		647		657,313
3.80%, 03/01/24 (Call 01/01/24)^a		1,750		1,753,570
3.88%, 08/15/21		4,048		4,132,198
3.90%, 03/11/24 (Call 12/11/23)		4,000		4,031,320


Security	Principal (000s)		Value
3.90%, 08/14/27 (Call 05/14/27)	$	3,250	$	3,231,215
3.95%, 01/15/25 (Call 10/15/24)		4,330		4,325,453
4.13%, 02/17/26 (Call 11/17/25)		7,062		7,065,672
4.25%, 03/01/27 (Call 12/01/26)^a		5,300		5,312,190
4.45%, 05/15/21		4,034		4,188,986
4.45%, 04/01/24 (Call 01/01/24)		3,475		3,584,775
4.60%, 02/15/21 (Call 11/15/20)		2,723		2,830,041
5.00%, 03/01/21		4,619		4,861,959
5.20%, 03/15/20		1,675		1,750,559
5.88%, 10/01/19		1,968		2,061,165
Cisco Systems Inc.
1.40%, 09/20/19		1,675		1,646,910
1.85%, 09/20/21 (Call 08/20/21)		975		940,709
2.13%, 03/01/19		2,755		2,746,735
2.20%, 02/28/21		5,850		5,745,577
2.20%, 09/20/23 (Call 07/20/23)		1,850		1,766,103
2.45%, 06/15/20		4,888		4,858,379
2.50%, 09/20/26 (Call 06/20/26)		1,875		1,751,044
2.60%, 02/28/23		2,500		2,444,800
2.90%, 03/04/21^a		350		350,795
2.95%, 02/28/26^a		1,487		1,441,795
3.00%, 06/15/22^a		980		980,343
3.50%, 06/15/25^a		1,660		1,685,083
3.63%, 03/04/24		2,755		2,820,459
4.45%, 01/15/20		2,537		2,622,776
Deutsche Telekom International Finance BV
6.00%, 07/08/19		1,914		1,997,929
Emirates Telecommunications Group Co. PJSC
3.50%, 06/18/24^f		3,000		2,995,410
Juniper Networks Inc.
4.35%, 06/15/25 (Call 03/15/25)		770		776,599


Security	Principal (000s)		Value
4.50%, 03/15/24^a	$	1,181	$	1,215,733
4.60%, 03/15/21		475		492,931
Motorola Solutions Inc.
3.50%, 09/01/21		1,025		1,027,870
3.50%, 03/01/23^a		411		402,944
3.75%, 05/15/22		1,295		1,295,531
4.00%, 09/01/24^a		1,378		1,374,142
4.60%, 02/23/28 (Call 11/23/27)		1,500		1,499,205
7.50%, 05/15/25^a		600		711,702
Orange SA
1.63%, 11/03/19		2,010		1,971,890
4.13%, 09/14/21		2,234		2,321,282
5.38%, 07/08/19		1,234		1,276,302
Rogers Communications Inc.
2.90%, 11/15/26 (Call 08/15/26)		675		634,966
3.00%, 03/15/23 (Call 12/15/22)^a		1,770		1,742,335
3.63%, 12/15/25 (Call 09/15/25)		555		552,958
4.10%, 10/01/23 (Call 07/01/23)		710		732,848
Telefonica Emisiones SAU
4.10%, 03/08/27		4,580		4,538,551
4.57%, 04/27/23		880		930,512
5.13%, 04/27/20		974		1,016,067
5.46%, 02/16/21		2,074		2,207,669
5.88%, 07/15/19		648		674,173
Telefonos de Mexico SAB de CV
5.50%, 11/15/19		1,000		1,044,510
TELUS Corp.
3.70%, 09/15/27 (Call 06/15/27)^a		2,000		1,968,100
Verizon Communications Inc.
1.75%, 08/15/21		3,320		3,176,808
2.45%, 11/01/22 (Call 08/01/22)		3,700		3,555,404
2.63%, 02/21/20		1,200		1,197,660
2.63%, 08/15/26^a		3,034		2,764,945
2.95%, 03/15/22^a		3,862		3,810,713
3.00%, 11/01/21 (Call 09/01/21)^a		4,210		4,187,687


Security	Principal (000s)		Value
3.13%, 03/16/22	$	2,110	$	2,097,868
3.38%, 02/15/25		2,832		2,762,078
3.45%, 03/15/21		2,250		2,281,905
3.50%, 11/01/21		7,705		7,798,847
3.50%, 11/01/24 (Call 08/01/24)		5,411		5,371,175
4.13%, 03/16/27^a		4,745		4,818,832
4.15%, 03/15/24 (Call 12/15/23)^a		1,200		1,235,532
4.60%, 04/01/21		4,465		4,676,239
5.15%, 09/15/23		13,150		14,248,945
Vodafone Group PLC
2.50%, 09/26/22		475		459,273
2.95%, 02/19/23		2,225		2,182,836
4.38%, 03/16/21^a		500		519,310
5.45%, 06/10/19		3,300		3,412,035

				229,885,021
TEXTILES — 0.06%
Cintas Corp. No. 2
2.90%, 04/01/22 (Call 03/01/22)		2,206		2,184,050
3.70%, 04/01/27 (Call 01/01/27)		1,000		999,230
4.30%, 06/01/21		340		352,876
Mohawk Industries Inc.
3.85%, 02/01/23 (Call 11/01/22)		795		809,533

				4,345,689
TOYS, GAMES & HOBBIES — 0.04%
Hasbro Inc.
3.15%, 05/15/21 (Call 03/15/21)		690		688,993
3.50%, 09/15/27 (Call 06/15/27)^a		2,150		2,033,706

				2,722,699
TRANSPORTATION — 1.04%
Burlington Northern Santa Fe LLC
3.00%, 03/15/23 (Call 12/15/22)		4,400		4,377,340
3.00%, 04/01/25 (Call 01/01/25)		332		324,022
3.05%, 03/15/22 (Call 12/15/21)^a		2,525		2,534,241


Security	Principal (000s)		Value
3.05%, 09/01/22 (Call 06/01/22)	$	730	$	730,329
3.25%, 06/15/27 (Call 03/15/27)^a		925		911,264
3.40%, 09/01/24 (Call 06/01/24)		1,860		1,877,056
3.65%, 09/01/25 (Call 06/01/25)^a		625		633,456
3.75%, 04/01/24 (Call 01/01/24)		1,045		1,075,618
4.10%, 06/01/21 (Call 03/01/21)		495		511,548
4.70%, 10/01/19		744		768,113
Canadian National Railway Co.
2.25%, 11/15/22 (Call 08/15/22)		515		495,379
2.40%, 02/03/20		3,125		3,114,187
2.75%, 03/01/26 (Call 12/01/25)^a		725		692,578
2.85%, 12/15/21 (Call 09/15/21)		400		399,020
2.95%, 11/21/24 (Call 08/21/24)		144		141,268
5.55%, 03/01/19		915		940,977
Canadian Pacific Railway Co.
2.90%, 02/01/25 (Call 11/01/24)		1,475		1,417,711
4.45%, 03/15/23 (Call 12/15/22)		70		73,279
7.25%, 05/15/19		585		615,584
CSX Corp.
2.60%, 11/01/26 (Call 08/01/26)		2,750		2,515,012
3.25%, 06/01/27 (Call 03/01/27)		1,455		1,390,704
3.35%, 11/01/25 (Call 08/01/25)^a		1,020		1,001,344
3.40%, 08/01/24 (Call 05/01/24)		2,193		2,185,434
3.70%, 10/30/20 (Call 07/30/20)		256		261,358
3.70%, 11/01/23 (Call 08/01/23)		20		20,339


Security	Principal (000s)		Value
3.80%, 03/01/28 (Call 12/01/27)	$	2,000	$	1,990,160
4.25%, 06/01/21 (Call 03/01/21)		415		429,662
FedEx Corp.
2.30%, 02/01/20		580		574,420
2.63%, 08/01/22^a		2,770		2,716,927
2.70%, 04/15/23		70		68,210
3.20%, 02/01/25		1,350		1,324,525
3.25%, 04/01/26 (Call 01/01/26)^a		945		922,320
3.30%, 03/15/27 (Call 12/15/26)^a		260		252,954
3.40%, 02/15/28 (Call 11/15/27)		2,000		1,947,920
4.00%, 01/15/24		520		538,356
Kansas City Southern
3.00%, 05/15/23 (Call 02/15/23)		540		523,287
3.13%, 06/01/26 (Call 03/01/26)^a		480		449,429
Kirby Corp.
4.20%, 03/01/28 (Call 12/01/27)		1,000		995,420
Norfolk Southern Corp.
2.90%, 02/15/23 (Call 11/15/22)		490		482,777
2.90%, 06/15/26 (Call 03/15/26)		580		549,898
3.00%, 04/01/22 (Call 01/01/22)^a		506		504,381
3.15%, 06/01/27 (Call 03/01/27)		1,075		1,031,753
3.25%, 12/01/21 (Call 09/01/21)		298		300,223
3.85%, 01/15/24 (Call 10/15/23)		570		585,983
5.90%, 06/15/19		605		629,678
Norfolk Southern Railway Co.
9.75%, 06/15/20		560		644,661
Ryder System Inc.
2.25%, 09/01/21 (Call 08/01/21)		975		945,653


Security	Principal (000s)		Value
2.45%, 09/03/19 (Call 08/03/19)	$	1,505	$	1,498,589
2.50%, 09/01/22 (Call 08/01/22)		1,050		1,015,214
2.55%, 06/01/19 (Call 05/01/19)		1,150		1,147,470
2.65%, 03/02/20 (Call 02/02/20)		360		358,139
2.80%, 03/01/22 (Call 02/01/22)^a		475		466,436
2.88%, 09/01/20 (Call 08/01/20)		525		523,656
3.40%, 03/01/23 (Call 02/01/23)		2,425		2,421,799
3.45%, 11/15/21 (Call 10/15/21)		555		559,529
Union Pacific Corp.
1.80%, 02/01/20 (Call 01/01/20)		70		68,924
2.75%, 04/15/23 (Call 01/15/23)		180		177,462
2.75%, 03/01/26 (Call 12/01/25)		220		209,473
2.95%, 01/15/23 (Call 10/15/22)		770		767,782
3.00%, 04/15/27 (Call 01/15/27)		1,070		1,032,946
3.25%, 08/15/25 (Call 05/15/25)		500		496,160
3.75%, 03/15/24 (Call 12/15/23)		209		215,276
4.00%, 02/01/21 (Call 11/01/20)^a		800		826,056
4.16%, 07/15/22 (Call 04/15/22)		964		1,006,156
United Parcel Service Inc.
2.05%, 04/01/21^a		1,825		1,790,781
2.35%, 05/16/22 (Call 04/16/22)		2,000		1,947,860
2.40%, 11/15/26 (Call 08/15/26)		1,050		967,187
2.45%, 10/01/22		794		774,499
2.50%, 04/01/23 (Call 03/01/23)		1,100		1,067,385


Security	Principal (000s)		Value
2.80%, 11/15/24 (Call 09/15/24)	$	250	$	241,640
3.05%, 11/15/27 (Call 08/15/27)		2,725		2,613,902
3.13%, 01/15/21		559		565,037
5.13%, 04/01/19^a		4,181		4,298,862
United Parcel Service of America Inc.
8.38%, 04/01/20		605		674,224

				75,148,202
TRUCKING & LEASING — 0.06%
GATX Corp.
2.50%, 07/30/19		205		204,088
2.60%, 03/30/20 (Call 02/28/20)^a		650		644,104
3.25%, 03/30/25 (Call 12/30/24)		610		584,685
3.25%, 09/15/26 (Call 06/15/26)^a		390		367,867
3.50%, 03/15/28 (Call 12/15/27)		1,310		1,241,723
3.85%, 03/30/27 (Call 12/30/26)		655		643,727
3.90%, 03/30/23^a		235		237,381
4.75%, 06/15/22		225		235,681
4.85%, 06/01/21^a		296		311,105

				4,470,361
WATER — 0.03%
American Water Capital Corp.
2.95%, 09/01/27 (Call 06/01/27)		1,775		1,690,173
3.40%, 03/01/25 (Call 12/01/24)		499		497,812
3.85%, 03/01/24 (Call 12/01/23)^a		195		200,612

				2,388,597

TOTAL CORPORATE BONDS & NOTES
(Cost: $6,298,284,876)				6,183,237,332


Security	Principal (000s)		Value
FOREIGN GOVERNMENT OBLIGATIONS^g — 12.20%

CANADA — 1.35%
Canada Government International Bond
2.00%, 11/15/22^a	$	100	$	96,696
Export Development Canada
1.00%, 09/13/19		2,300		2,254,046
1.38%, 10/21/21		1,000		954,650
1.63%, 12/03/19		2,385		2,354,257
1.63%, 01/17/20		1,980		1,952,419
1.75%, 08/19/19		395		391,733
1.75%, 07/21/20		3,945		3,877,974
2.00%, 11/30/20		100		98,530
2.50%, 01/24/23		5,000		4,926,300
Province of Alberta Canada
1.90%, 12/06/19		2,450		2,423,687
2.20%, 07/26/22		3,750		3,630,862
Province of British Columbia Canada
2.00%, 10/23/22		180		172,953
2.25%, 06/02/26		299		279,188
2.65%, 09/22/21		750		747,465
Province of Manitoba Canada
1.75%, 05/30/19		545		540,618
2.10%, 09/06/22		745		716,869
2.13%, 05/04/22^a		150		145,137
3.05%, 05/14/24^a		2,970		2,953,814
Province of Nova Scotia Canada
8.25%, 07/30/22		70		84,121
9.25%, 03/01/20		525		589,197
Province of Ontario Canada
1.25%, 06/17/19		200		197,136
1.65%, 09/27/19^a		3,300		3,259,938
1.88%, 05/21/20		4,285		4,219,397
2.20%, 10/03/22		10,000		9,655,000
2.25%, 05/18/22^a		5,850		5,686,258
2.40%, 02/08/22		2,720		2,665,818
2.45%, 06/29/22		100		97,893
2.50%, 09/10/21		7,030		6,945,640
2.50%, 04/27/26		1,950		1,846,787
2.55%, 02/12/21		2,000		1,988,320
3.20%, 05/16/24		3,795		3,804,298


Security	Principal (000s)		Value
4.00%, 10/07/19	$	1,110	$	1,136,629
4.40%, 04/14/20		2,495		2,587,739
Province of Quebec Canada
2.38%, 01/31/22^a		600		588,564
2.50%, 04/20/26^a		1,900		1,804,031
2.63%, 02/13/23^a		2,805		2,755,548
2.75%, 08/25/21		2,775		2,769,367
2.75%, 04/12/27^a		2,900		2,788,843
2.88%, 10/16/24		4,960		4,878,557
3.50%, 07/29/20		4,745		4,840,754
7.13%, 02/09/24		2,640		3,180,751

				96,887,784
CHILE — 0.12%
Chile Government International Bond
2.25%, 10/30/22^a		890		854,258
3.13%, 03/27/25		1,700		1,667,683
3.13%, 01/21/26		2,780		2,713,058
3.24%, 02/06/28 (Call 11/06/27)		1,000		966,850
3.25%, 09/14/21		800		806,216
3.88%, 08/05/20		1,750		1,792,402

				8,800,467
COLOMBIA — 0.34%
Colombia Government International Bond
3.88%, 04/25/27 (Call 01/25/27)^a		2,700		2,634,957
4.00%, 02/26/24 (Call 11/26/23)		6,770		6,808,589
4.38%, 07/12/21		7,950		8,237,631
4.50%, 01/28/26 (Call 10/28/25)^a		2,250		2,317,883
7.38%, 03/18/19		2,850		2,978,335
8.13%, 05/21/24		591		726,286
11.75%, 02/25/20		553		645,655

				24,349,336
GERMANY — 0.20%
FMS Wertmanagement AoeR
1.00%, 08/16/19		4,025		3,947,639
1.75%, 01/24/20		200		197,494
1.75%, 03/17/20		3,900		3,845,010
2.00%, 08/01/22		6,600		6,382,332

				14,372,475


Security	Principal (000s)		Value
HUNGARY — 0.26%
Hungary Government International Bond
5.38%, 02/21/23^a	$	100	$	108,290
5.38%, 03/25/24^a		6,650		7,272,108
5.75%, 11/22/23		6,050		6,707,756
6.25%, 01/29/20		900		956,430
6.38%, 03/29/21^a		3,380		3,693,089

				18,737,673
INDONESIA — 0.06%
Indonesia Government International Bond
2.95%, 01/11/23^a		2,000		1,930,580
3.50%, 01/11/28^a		2,500		2,379,750

				4,310,330
ISRAEL — 0.09%
Israel Government International Bond
2.88%, 03/16/26		2,500		2,397,600
3.25%, 01/17/28		200		194,160
4.00%, 06/30/22		2,400		2,487,864
5.13%, 03/26/19		1,700		1,749,759

				6,829,383
ITALY — 0.08%
Republic of Italy Government International Bond
6.88%, 09/27/23		4,715		5,488,920

				5,488,920
JAPAN — 0.77%
Japan Bank for International Cooperation
1.50%, 07/21/21		3,060		2,924,381
1.75%, 05/28/20		3,200		3,135,424
1.88%, 04/20/21		1,500		1,459,395
1.88%, 07/21/26^a		1,750		1,577,450
2.00%, 11/04/21		3,790		3,670,425
2.13%, 11/16/20		1,100		1,081,465
2.13%, 02/10/25		5,000		4,676,600
2.25%, 02/24/20		3,164		3,140,112
2.25%, 11/04/26		5,450		5,051,278
2.38%, 07/21/22		5,000		4,874,450
2.38%, 11/16/22		650		631,690


Security	Principal (000s)		Value
2.38%, 04/20/26	$	2,450	$	2,302,730
2.50%, 06/01/22		6,000		5,889,060
2.50%, 05/28/25		1,000		958,110
2.75%, 11/16/27		1,200		1,150,368
2.88%, 06/01/27^a		5,400		5,251,662
2.88%, 07/21/27		1,250		1,213,963
3.38%, 07/31/23		2,800		2,840,152
Japan Finance Organization for Municipalities
4.00%, 01/13/21		1,400		1,442,896
Japan International Cooperation Agency
2.13%, 10/20/26		2,000		1,825,420

				55,097,031
MEXICO — 0.45%
Mexico Government International Bond
3.50%, 01/21/21		1,110		1,130,491
3.60%, 01/30/25		7,070		6,934,256
3.63%, 03/15/22		4,435		4,514,032
3.75%, 01/11/28		5,250		5,034,067
4.00%, 10/02/23^a		5,214		5,315,464
4.13%, 01/21/26^a		5,800		5,856,144
4.15%, 03/28/27^a		2,800		2,798,544
8.13%, 12/30/19		850		942,846

				32,525,844
PANAMA — 0.16%
Panama Government International Bond
3.75%, 03/16/25 (Call 12/16/24)		2,700		2,731,428
4.00%, 09/22/24 (Call 06/22/24)		1,750		1,804,057
5.20%, 01/30/20		3,320		3,466,346
7.13%, 01/29/26		1,300		1,608,646
8.88%, 09/30/27		1,500		2,103,195

				11,713,672
PERU — 0.08%
Peruvian Government International Bond
4.13%, 08/25/27		350		363,492
7.13%, 03/30/19		740		777,311


Security	Principal (000s)		Value
7.35%, 07/21/25^a	$	3,820	$	4,763,922

				5,904,725
PHILIPPINES — 0.21%
Philippine Government International Bond
3.00%, 02/01/28		2,000		1,881,480
4.00%, 01/15/21		6,720		6,885,043
4.20%, 01/21/24		3,000		3,126,330
5.50%, 03/30/26		1,491		1,687,380
8.38%, 06/17/19		850		911,557
10.63%, 03/16/25		555		799,089

				15,290,879
POLAND — 0.30%
Republic of Poland Government International Bond
3.00%, 03/17/23		1,000		988,810
3.25%, 04/06/26		4,650		4,597,362
4.00%, 01/22/24^a		5,015		5,200,304
5.00%, 03/23/22		850		908,625
5.13%, 04/21/21^a		1,950		2,074,858
6.38%, 07/15/19		7,350		7,733,082

				21,503,041
SOUTH KOREA — 0.57%
Export-Import Bank of Korea
1.50%, 10/21/19		2,250		2,198,272
1.75%, 05/26/19		2,250		2,219,670
1.88%, 10/21/21		1,000		952,860
2.25%, 01/21/20		5,000		4,931,650
2.38%, 08/12/19		3,250		3,225,885
2.38%, 04/21/27		2,500		2,235,125
2.63%, 05/26/26		200		184,352
2.75%, 01/25/22		2,500		2,442,400
2.88%, 01/21/25		2,750		2,609,062
3.00%, 11/01/22		2,500		2,453,875
3.25%, 11/10/25		1,000		967,720
4.00%, 01/29/21		1,150		1,177,037
4.00%, 01/14/24		2,500		2,561,125
4.38%, 09/15/21		1,930		2,002,356
5.00%, 04/11/22		1,250		1,324,913
5.13%, 06/29/20		2,750		2,876,527
Korea International Bond
2.75%, 01/19/27		3,000		2,855,850
3.88%, 09/11/23^a		1,250		1,292,763


Security	Principal (000s)		Value
7.13%, 04/16/19	$	2,200	$	2,306,876

				40,818,318
SUPRANATIONAL — 6.85%
African Development Bank
1.00%, 05/15/19		2,558		2,518,863
1.13%, 03/04/19		1,287		1,272,869
1.13%, 09/20/19		3,800		3,729,814
1.25%, 07/26/21		224		213,790
1.88%, 03/16/20		2,635		2,606,199
2.38%, 09/23/21		2,456		2,431,244
Asian Development Bank
1.00%, 08/16/19		209		205,065
1.38%, 03/23/20		6,045		5,920,050
1.50%, 01/22/20		2,065		2,030,721
1.63%, 05/05/20		4,725		4,643,399
1.63%, 08/26/20^a		2,930		2,868,851
1.63%, 03/16/21		5,480		5,324,258
1.75%, 03/21/19		3,150		3,133,809
1.75%, 01/10/20		7,135		7,052,091
1.75%, 06/08/21		8,750		8,504,562
1.75%, 09/13/22		7,375		7,051,090
1.88%, 04/12/19		1,825		1,817,299
1.88%, 02/18/22		3,645		3,531,932
2.00%, 02/16/22		2,550		2,481,660
2.00%, 01/22/25^a		825		776,556
2.00%, 04/24/26		150		139,335
2.13%, 11/24/21		2,800		2,744,868
2.13%, 03/19/25		1,300		1,230,957
2.25%, 01/20/21		11,545		11,439,710
2.63%, 01/12/27^a		6,750		6,542,100
2.75%, 01/19/28		2,200		2,149,466
Series 5Y
1.88%, 08/10/22		2,500		2,408,675
Corp. Andina de Fomento
2.13%, 09/27/21		2,220		2,153,089
4.38%, 06/15/22		2,779		2,917,978
Council of Europe Development Bank
1.63%, 03/10/20		420		413,171
1.75%, 11/14/19		6,100		6,034,852
1.88%, 01/27/20		4,250		4,207,117
2.63%, 02/13/23		2,000		1,979,720


Security	Principal (000s)		Value
European Bank for Reconstruction & Development
0.88%, 07/22/19	$	1,500	$	1,470,330
1.13%, 08/24/20		285		275,501
1.50%, 03/16/20		2,325		2,283,034
1.50%, 11/02/21		3,000		2,875,320
1.63%, 05/05/20		4,500		4,421,655
1.75%, 06/14/19		220		218,508
1.75%, 11/26/19		2,650		2,622,573
1.88%, 02/23/22^a		3,390		3,283,723
2.13%, 03/07/22^a		1,660		1,622,584
European Investment Bank
1.13%, 08/15/19		5,450		5,357,186
1.25%, 05/15/19		8,535		8,431,983
1.25%, 12/16/19		5,925		5,807,329
1.38%, 06/15/20^a		11,960		11,663,153
1.38%, 09/15/21^a		3,425		3,274,129
1.63%, 03/16/20		6,400		6,296,128
1.63%, 08/14/20		7,875		7,706,396
1.63%, 12/15/20		3,450		3,361,059
1.63%, 06/15/21		1,230		1,190,000
1.75%, 06/17/19		7,510		7,458,406
1.75%, 05/15/20		3,775		3,715,770
1.88%, 03/15/19		3,275		3,262,981
1.88%, 02/10/25^a		3,780		3,519,823
2.00%, 03/15/21		6,950		6,821,425
2.00%, 12/15/22^a		325		312,930
2.13%, 10/15/21		6,780		6,646,773
2.13%, 04/13/26		4,000		3,748,680
2.25%, 03/15/22		8,400		8,239,308
2.25%, 08/15/22		10,665		10,416,505
2.38%, 05/13/21		5,000		4,957,450
2.38%, 06/15/22^a		7,100		6,983,489
2.38%, 05/24/27		5,590		5,291,997
2.50%, 04/15/21		3,300		3,286,668
2.50%, 03/15/23		15,000		14,746,350
2.50%, 10/15/24		1,350		1,314,131
2.88%, 09/15/20		5,320		5,362,347
3.25%, 01/29/24^a		3,205		3,260,927
4.00%, 02/16/21		700		727,678
Inter-American Development Bank
1.00%, 05/13/19		725		714,205
1.25%, 09/14/21		4,150		3,953,041


Security	Principal (000s)		Value
1.38%, 07/15/20	$	300	$	292,380
1.63%, 05/12/20		7,315		7,187,134
1.75%, 10/15/19^a		3,400		3,368,414
1.75%, 04/14/22		2,095		2,015,201
1.75%, 09/14/22		2,900		2,772,980
1.88%, 06/16/20		1,967		1,941,350
1.88%, 03/15/21		10,675		10,449,971
2.00%, 06/02/26		3,300		3,062,004
2.13%, 11/09/20		1,870		1,849,449
2.13%, 01/18/22		5,500		5,381,365
2.13%, 01/15/25		1,830		1,736,158
2.38%, 07/07/27		4,540		4,299,743
2.50%, 01/18/23^a		10,000		9,856,400
3.00%, 10/04/23		2,850		2,867,043
3.00%, 02/21/24		6,750		6,779,902
3.88%, 02/14/20		970		996,985
Series E
3.88%, 09/17/19		4,550		4,655,696
International Bank for Reconstruction & Development
0.88%, 08/15/19		2,600		2,546,960
1.13%, 11/27/19		7,025		6,877,334
1.25%, 07/26/19		1,000		985,570
1.38%, 03/30/20		450		440,546
1.38%, 05/24/21		6,260		6,021,744
1.38%, 09/20/21		3,000		2,870,040
1.63%, 09/04/20		3,275		3,205,112
1.63%, 03/09/21^a		11,535		11,217,095
1.63%, 02/10/22		2,880		2,764,915
1.75%, 04/19/23		2,500		2,371,500
1.88%, 03/15/19		4,725		4,708,935
1.88%, 10/07/19		4,570		4,537,462
1.88%, 04/21/20^a		1,765		1,744,720
1.88%, 10/07/22		3,625		3,484,785
1.88%, 10/27/26		2,375		2,170,014
2.00%, 01/26/22^a		11,210		10,919,885
2.13%, 12/13/21^a		5,000		4,901,400
2.13%, 02/13/23		805		779,377
2.13%, 03/03/25		1,780		1,689,914
2.25%, 06/24/21		7,165		7,081,313
2.50%, 11/25/24		950		924,322
2.50%, 07/29/25		10,110		9,797,702
2.50%, 11/22/27		6,375		6,091,567
7.63%, 01/19/23		85		103,424


Security	Principal (000s)		Value
International Finance Corp.
1.13%, 07/20/21^a	$	4,000	$	3,805,560
1.63%, 07/16/20		2,820		2,763,628
1.75%, 09/16/19		2,816		2,791,360
1.75%, 03/30/20		6,500		6,412,120
2.00%, 10/24/22		100		96,666
2.25%, 01/25/21		6,770		6,709,815
Nordic Investment Bank
1.25%, 08/02/21		1,200		1,145,220
1.50%, 09/29/20^a		3,665		3,571,176
1.63%, 11/20/20		1,000		975,940
2.13%, 02/01/22		2,250		2,201,243
2.25%, 02/01/21		5,000		4,953,250
2.25%, 09/30/21		200		197,084

				492,747,508
SWEDEN — 0.27%
Svensk Exportkredit AB
1.13%, 08/28/19		6,500		6,379,295
1.75%, 05/18/20		2,000		1,966,720
1.75%, 08/28/20		1,565		1,532,088
1.75%, 03/10/21^a		425		413,385
1.88%, 06/23/20		1,000		984,670
2.38%, 03/09/22^a		4,800		4,717,872
Swedish Export Credit
2.00%, 08/30/22^a		3,500		3,369,730

				19,363,760
URUGUAY — 0.04%
Uruguay Government International Bond
4.38%, 10/27/27^a		1,925		1,998,323
4.50%, 08/14/24		570		601,310
8.00%, 11/18/22		365		428,437

				3,028,070

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $898,698,464)				877,769,216


Security	Principal (000s)		Value
MUNICIPAL DEBT OBLIGATIONS — 0.13%

CALIFORNIA — 0.03%
State of California Department of Water Resources Power Supply Revenue RB
Series P
2.00%, 05/01/22	$	286	$	275,598
State of California GO
6.20%, 10/01/19		525		554,857
State of California GO BAB
5.70%, 11/01/21		500		547,460
University of California RB
Series AX
3.06%, 07/01/25 (Call 04/01/25)		850		832,481

				2,210,396
FLORIDA — 0.02%
State Board of Administration Finance Corp. RB
Series A
3.00%, 07/01/20		1,375		1,381,628

				1,381,628
ILLINOIS — 0.04%
State of Illinois GO
4.95%, 06/01/23		955		985,378
5.67%, 03/01/18		700		700,147
5.88%, 03/01/19		1,065		1,091,114

				2,776,639
MASSACHUSETTS — 0.01%
Commonwealth of Massachusetts GOL BAB
Series E
4.20%, 12/01/21		490		508,826

				508,826
NEW JERSEY — 0.01%
New Jersey Economic Development Authority RB
Series B
0.00%, 02/15/20 (AGM)^h		415		391,719
0.00%, 02/15/21 (AGM)^h		480		438,317
0.00%, 02/15/23 (AGM)^h		180		150,910

				980,946


Security	Principal or Shares (000s)		Value
NEW YORK — 0.01%
New York State Urban Development Corp. RB
Series B
2.10%, 03/15/22	$	1,000	$	984,550

				984,550
WISCONSIN — 0.01%
State of Wisconsin RB
Series C
3.15%, 05/01/27		625		609,056

				609,056

TOTAL MUNICIPAL DEBT OBLIGATIONS
(Cost: $9,382,221)				9,452,041

SHORT-TERM INVESTMENTS — 9.64%

MONEY MARKET FUNDS — 9.64%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^d,i,j		632,161		632,224,487
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^d,i		61,256		61,256,461

				693,480,948

TOTAL SHORT-TERM INVESTMENTS
(Cost: $693,434,700)				693,480,948

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

Cash received as collateral for securities on loan may be reinvested in certain short-term instruments either directly on behalf of a fund or through one or more joint accounts or money market funds, including those managed by BlackRock Fund Advisors (“BFA”), the Fund’s investment adviser, or its affiliates. As of February 28, 2018, any securities on loan were collateralized by cash and/or U.S. government obligations. Cash collateral received was invested in money market funds managed by BFA and is disclosed in the schedule of investments. Any non-cash collateral received cannot be sold, re-invested or pledged by the Fund, except in the event of borrower default. The securities on loan for the Fund are also disclosed in its schedule of investments. The total value of any securities on loan as of February 28, 2018 and the total value of the related cash collateral are disclosed in the statement of assets and liabilities. Income earned by the Fund from securities lending is disclosed in the statement of operations.

The risks of securities lending include the risk that the borrower may not provide additional collateral when required or may not return the securities when due. To mitigate these risks, the Fund benefits from a borrower default indemnity provided by BlackRock, Inc. (“BlackRock”). BlackRock’s indemnity allows for full replacement of securities loaned if the collateral received does not cover the value of the securities loaned in the event of borrower default. The Fund could incur a loss if the value of an investment purchased with cash collateral falls below the value of the loaned securities or if the value of an investment purchased with cash collateral falls below the value of the original cash collateral received.

Securities lending transactions are entered into by the Fund under Master Securities Lending Agreements (“MSLA”) which provide the right, in the event of default (including bankruptcy or insolvency) for the non-defaulting party to liquidate the collateral and calculate a net exposure to the defaulting party or request additional collateral. In the event that a borrower defaults, the Fund, as lender, would offset the market value of the collateral received against the market value of the securities loaned. The value of the collateral is typically greater than that of the market value of the securities loaned, leaving the lender with a net amount payable to the defaulting party. However, bankruptcy or insolvency laws of a particular jurisdiction may impose restrictions on or prohibitions against such a right of offset in the event of an MSLA counterparty’s bankruptcy or insolvency. Under the MSLA, the borrower can resell or re-pledge the loaned securities, and the Fund can reinvest cash collateral, or, upon an event of default, resell or re-pledge the collateral.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

basis and is effective for fiscal years, and their interim periods, beginning after December 15, 2018. Management is currently evaluating the impact of this guidance to the Fund.

For its investment advisory services to the Fund, BFA is entitled to an annual investment advisory fee, accrued daily and paid monthly by the Fund, based on the Fund’s allocable portion of the aggregate of the average daily net assets of the Fund and certain other iShares funds, as follows:

The U.S. Securities and Exchange Commission has issued an exemptive order which permits BlackRock Institutional Trust Company, N.A. (“BTC”), an affiliate of BFA, to serve as securities lending agent for the Fund, subject to applicable conditions. As securities lending agent, BTC bears all operational costs directly related to securities lending. The Fund is responsible for fees in connection with the investment of cash collateral received for securities on loan in a money market fund managed by BFA, however, BTC has agreed to reduce the amount of securities lending income it receives in order to effectively limit the collateral investment fees the Fund bears to an annual rate of 0.04% (the “collateral investment fees”). Securities lending income is equal to the total of income earned from the reinvestment of cash collateral (excluding collateral investment fees), net of fees and other payments to and from borrowers of securities. The Fund retains a portion of securities lending income and remits the remaining portion to BTC as compensation for its services as securities lending agent.

For the year ended February 28, 2018, the Fund paid to BTC securities lending agent services and collateral investment fees in the amount of $976,902.

For the year ended February 28, 2018, the purchases and sales transactions executed by the Fund pursuant to Rule 17a-7 under the 1940 Act were $1,317,604 and $ —, respectively.

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Fund for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018, were as follows:

In-kind purchases and sales (see Note 4) for the year ended February 28, 2018, were $1,739,343,936 and $1,413,539,559, respectively.

A diversified portfolio, where this is appropriate and consistent with a fund’s objectives, minimizes the risk that a price change of a particular investment will have a material impact on the NAV of a fund. The investment concentrations within the Fund’s portfolio are disclosed in its schedule of investments.

prices more volatile than those of securities with shorter durations. Given the environment of historically low interest rates, a fund may be subject to a greater risk of price losses if interest rates rise.

U.S. GAAP requires that certain components of net assets be adjusted to reflect permanent differences between financial and tax reporting. These reclassifications have no effect on net assets or NAV per share. The following permanent differences as of February 28, 2018, attributable to realized gains (losses) from in-kind redemptions, were reclassified to the following accounts:

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Fund had non-expiring capital loss carryforwards in the amount of $25,793,802 available to offset future realized capital gains.

For the year ended February 28, 2018, the Fund utilized $1,523,539 of its capital loss carryforwards.

As of February 28, 2018, the cost of investments (including short positions and derivatives, if any) for federal income tax purposes was $7,900,175,923. Net unrealized depreciation was $136,236,386, of which $9,160,838 represented gross unrealized appreciation on securities and $145,397,224 represented gross unrealized depreciation on securities.

We have audited the accompanying statement of assets and liabilities, including the schedule of investments, of iShares Intermediate Credit Bond ETF (one of the funds constituting iShares Trust, referred to hereafter as the “Fund”) as of February 28, 2018, the related statement of operations for the year ended February 28, 2018, the statement of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Fund as of February 28, 2018, the results of its operations for the year then ended, the changes in its net assets for each of the two years in the period ended February 28, 2018 and the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

For the fiscal year ended February 28, 2018, the Fund hereby designates $122,043,335 as the maximum amount allowable as interest-related dividends eligible for exemption from U.S. withholding tax for nonresident aliens and foreign corporations.

The Fund hereby designates $286,183 as the amount of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018.

The amounts and sources of distributions reported are estimates and are provided pursuant to regulatory requirements and are not being provided for tax reporting purposes. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the year and may be subject to changes based on the tax regulations. Shareholders will receive a Form 1099-DIV each calendar year that will inform them how to report these distributions for federal income tax purposes.

BFA has registered the iShares Intermediate Credit Bond ETF (the “Fund”), for marketing to investors in the United Kingdom, the Netherlands, Finland, Sweden, and Luxembourg.

Disclosures are provided in relation to (a) the staff of BFA; (b) staff who are senior management; and (c) staff who have the ability to materially affect the risk profile of the Fund.

BlackRock has a clear and well-defined pay-for-performance philosophy, and compensation programs which support that philosophy.

Members of staff and senior management of BFA typically provide both AIFMD and non-AIFMD related services in respect of multiple funds, clients and functions of BFA and across the broader BlackRock group. Therefore, the figures disclosed are a sum of each individual’s portion of remuneration attributable to the Fund according to an objective apportionment methodology which acknowledges the multiple-service nature of BFA. Accordingly the figures are not representative of any individual’s actual remuneration or their remuneration structure.

The amount of the total remuneration awarded by BFA to its staff which has been attributed to the Fund in respect of BFA’s financial year ending December 31, 2017 was USD 728.91 thousand. This figure is comprised of fixed remuneration of USD 290.53 thousand and variable remuneration of USD 438.37 thousand. There were a total of 417 beneficiaries of the remuneration described above.

The amount of the aggregate remuneration awarded by BFA, which has been attributed to the Fund, in respect of BFA’s financial year ending December 31, 2017, to its senior management was USD 101.97 thousand, and to members of its staff whose actions have a material impact on the risk profile of the Fund was USD 19 thousand.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Fund’s shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

A stronger economy, expectations of rising growth and inflation due to the tax cuts, and the Fed’s interest rate increases led to higher bond yields and lower bond prices,with yields rising most sharply for short-term bonds. Intermediate- and long-term bond yields rose to a lesser extent, with much of the increase occurring in early 2018 following the approval of federal tax reform legislation at the end of 2017.

Corporate bonds were among the better performers in the U.S. bond market during the reporting period, returning more than 2%. Corporate bonds benefited from strong investor demand for yield. Demand was especially strong for lower-quality bonds, which tend to have the highest yields. Limited new supply also supported corporate bond performance. Although overall issuance of corporate bonds hit a record high in 2017, net new corporate bond supply was lower than in either of the prior two years.

The iShares Core U.S. Aggregate Bond ETF (the “Fund”) seeks to track the investment results of an index composed of the total U.S. investment-grade bond market, as represented by the Bloomberg Barclays U.S. Aggregate Bond Index (the “Index”). The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. For the 12-month reporting period ended February 28, 2018, the total return for the Fund was 0.47%, net of fees, while the total return for the Index was 0.51%.

ALLOCATION BY INVESTMENT TYPE

As of 2/28/18


Investment Type		Percentage of Total Investments¹


U.S. Government & Agency Obligations	68.62	%
Corporate Bonds & Notes	26.39
Foreign Government Obligations	3.23
Collateralized Mortgage Obligations	1.17
Municipal Debt Obligations	0.59

TOTAL	100.00	%

ALLOCATION BY CREDIT QUALITY

As of 2/28/18


Moody’s Credit Rating²		Percentage of Total Investments¹


Aaa	72.44	%
Aa	3.11
A	10.89
Baa	12.26
Ba	0.80
Not Rated	0.50

TOTAL	100.00	%

Actual Expenses — The table provides information about actual account values and actual expenses. Annualized expense ratios reflect contractual and voluntary fee waivers, if any. To estimate the expenses that you paid on your account over the period, simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number under the heading entitled “Expenses Paid During Period.”


Security	Principal (000s)		Value
COLLATERALIZED MORTGAGE OBLIGATIONS — 1.17%

MORTGAGE-BACKED SECURITIES — 1.17%
Banc of America Commercial Mortgage Trust
Series 2017-BNK3, Class ASB
3.37%, 02/15/50	$	2,360	$	2,357,831
Barclays Commercial Mortgage Securities Trust
Series 2017-C1, Class A4
3.67%, 02/15/50		18,450		18,637,522
Citigroup Commercial Mortgage Trust
Series 2013-GC17, Class A4
4.13%, 11/10/46		10,000		10,409,126
Series 2014-GC25, Class AAB
3.37%, 10/10/47		10,000		10,088,638
Series 2014-GC25, Class AS
4.02%, 10/10/47		5,209		5,304,266
Series 2015-GC27, Class AAB
2.94%, 02/10/48		11,256		11,173,746
Series 2016-GC37, Class A4
3.31%, 04/10/49		17,730		17,473,906
Series 2016-P5, Class A4
2.94%, 10/10/49		11,400		10,906,840
Series 2017-P7, Class A4
3.71%, 04/14/50		13,900		14,059,382
COMM Mortgage Trust
Series 2013-CR11, Class A4
4.26%, 08/10/50		13,802		14,447,375
Series 2013-CR12, Class A4
4.05%, 10/10/46		6,000		6,218,828
Series 2014-CR16, Class A4
4.05%, 04/10/47		2,800		2,903,544
Series 2014-CR18, Class AM
4.10%, 07/15/47		10,000		10,264,435
Series 2014-UBS2, Class A5
3.96%, 03/10/47		9,700		9,989,443
Series 2014-UBS3, Class A4
3.82%, 06/10/47		12,887		13,200,655
Series 2014-UBS4, Class A5
3.69%, 08/10/47		12,920		13,120,841


Security	Principal (000s)		Value
Series 2015-CR24, Class A5
3.70%, 08/10/48	$	16,990	$	17,224,040
Series 2015-DC1, Class A5
3.35%, 02/10/48		2,750		2,717,402
Series 2015-DC1, Class C
4.35%, 02/10/48^a		3,000		2,905,517
Series 2015-LC21, Class A4
3.71%, 07/10/48		15,500		15,675,799
Series 2015-LC23, Class A2
3.22%, 10/10/48		18,275		18,377,371
Series 2015-PC1, Class A2
3.15%, 07/10/50		3,000		3,016,155
Series 2015-PC1, Class A5
3.90%, 07/10/50		3,650		3,731,281
Series 2016-DC2, Class A5
3.77%, 02/10/49		4,000		4,066,514
Commercial Mortgage Pass Through Certificates
Series 2016-CR28, Class A4
3.76%, 02/10/49		8,000		8,151,164
CSAIL Commercial Mortgage Trust
Series 2015-C2, Class A4
3.50%, 06/15/57		10,000		10,020,850
Series 2015-C4, Class A4
3.81%, 11/15/48		17,519		17,834,631
DBJPM Mortgage Trust
Series 2016-C3, Class A5
2.89%, 09/10/49		1,000		953,872
GS Mortgage Securities Trust
Series 2013-GC12, Class AS
3.38%, 06/10/46		5,000		4,996,079
Series 2013-GC16, Class A4
4.27%, 11/10/46		10,000		10,488,186
Series 2014-GC20, Class A3
3.68%, 04/10/47		840		854,262
Series 2015-GC32, Class A2
3.06%, 07/10/48		2,000		2,006,856
Series 2015-GS1, Class A3
3.73%, 11/10/48		10,000		10,170,292
Series 2017-GS7, Class A3
3.17%, 08/10/50		13,000		12,595,644
Series 2017-GS7, Class A4
3.43%, 08/10/50		6,000		5,931,856


Security	Principal (000s)		Value
JPMBB Commercial Mortgage Securities Trust
Series 2014-C19, Class A2
3.05%, 04/15/47	$	5,646	$	5,665,326
Series 2014-C22, Class A2
3.04%, 09/15/47 (Call 08/15/19)		5,500		5,520,392
Series 2014-C22, Class A4
3.80%, 09/15/47 (Call 07/15/24)		7,000		7,169,712
Series 2014-C23, Class A5
3.93%, 09/15/47 (Call 09/15/24)		9,660		10,028,995
Series 2014-C24, Class A2
2.94%, 11/15/47		9,000		9,020,377
Series 2014-C25, Class B
4.35%, 11/15/47^a		3,800		3,861,570
JPMorgan Chase Commercial Mortgage Securities Trust
Series 2012-LC9, Class A3
2.48%, 12/15/47		2,962		2,951,779
Series 2014-C20, Class A2
2.87%, 07/15/47		5,000		5,008,392
Series 2014-C20, Class A5
3.80%, 07/15/47		9,000		9,226,811
Morgan Stanley Bank of America Merrill Lynch Trust
Series 2013-C09, Class A4
3.10%, 05/15/46		5,000		4,975,513
Series 2013-C10, Class A5
4.08%, 07/15/46^a		1,600		1,665,705
Series 2013-C10, Class AS
4.08%, 07/15/46^a		8,166		8,377,577
Series 2014-C19, Class A2
3.10%, 12/15/47		4,000		4,019,879
Series 2015-C22, Class A4
3.31%, 04/15/48		5,000		4,963,349
Series 2015-C23, Class A4
3.72%, 07/15/50		1,850		1,874,672
Series 2015-C24, Class A4
3.73%, 05/15/48		7,275		7,398,872
Series 2015-C27, Class A4
3.75%, 12/15/47		17,025		17,293,039


Security	Principal (000s)		Value
Series 2016-C28, Class A4
3.54%, 01/15/49	$	16,420	$	16,491,538
Morgan Stanley Capital I Trust
Series 2017-H1, Class A5
3.53%, 06/15/50		12,000		11,970,176
UBS Commercial Mortgage Trust
Series 2018-C8, Class A4
3.98%, 02/15/51		18,150		18,657,551
UBS-Barclays Commercial Mortgage Trust
Series 2012-C2, Class A4
3.53%, 05/10/63		19,115		19,391,020
Series 2013-C5, Class A4
3.18%, 03/10/46		5,500		5,494,344
Wells Fargo Commercial Mortgage Trust
Series 2013-LC12, Class A4
4.22%, 07/15/46^a		25,059		26,180,906
Series 2014-LC16, Class A5
3.82%, 08/15/50		15,200		15,575,857
Series 2014-LC18, Class ASB
3.24%, 12/15/47		17,000		17,029,306
Series 2015-C27, Class A5
3.45%, 02/15/48		8,500		8,483,348
Series 2015-SG1, Class A4
3.79%, 09/15/48		11,185		11,400,102
WFRBS Commercial Mortgage Trust
Series 2012-C07, Class A1
2.30%, 06/15/45		5,022		4,991,638
Series 2012-C07, Class A2
3.43%, 06/15/45		5,000		5,041,836
Series 2012-C10, Class A3
2.88%, 12/15/45		27,100		26,709,411
Series 2013-C11, Class A4
3.04%, 03/15/45		11,671		11,585,883
Series 2013-C14, Class A5
3.34%, 06/15/46		10,315		10,365,984

				640,665,009

TOTAL COLLATERALIZED MORTGAGE OBLIGATIONS
(Cost: $654,094,738)				640,665,009


Security	Principal (000s)		Value
CORPORATE BONDS & NOTES — 26.33%

ADVERTISING — 0.04%
Interpublic Group of Companies Inc. (The)
3.75%, 02/15/23	$	2,420	$	2,436,190
4.00%, 03/15/22		110		111,907
4.20%, 04/15/24		1,848		1,891,557
Omnicom Group Inc.
3.60%, 04/15/26 (Call 01/15/26)		650		634,842
3.63%, 05/01/22		5,990		6,063,318
3.65%, 11/01/24 (Call 08/01/24)		550		547,470
4.45%, 08/15/20		1,151		1,191,343
6.25%, 07/15/19		42		43,929
WPP Finance 2010
3.63%, 09/07/22		1,300		1,312,337
3.75%, 09/19/24		3,050		3,055,673
4.75%, 11/21/21		3,000		3,158,220
5.13%, 09/07/42		370		383,575
5.63%, 11/15/43		75		83,343

				20,913,704
AEROSPACE & DEFENSE — 0.42%
Boeing Capital Corp.
4.70%, 10/27/19		2,346		2,430,573
Boeing Co. (The)
1.65%, 10/30/20 (Call 09/30/20)		340		331,993
1.88%, 06/15/23 (Call 04/15/23)		250		235,785
2.13%, 03/01/22 (Call 02/01/22)		2,375		2,308,595
2.20%, 10/30/22 (Call 08/30/22)		155		149,408
2.25%, 06/15/26 (Call 03/15/26)		2,085		1,919,805
2.35%, 10/30/21		400		394,828
2.50%, 03/01/25 (Call 12/01/24)		95		90,420
2.60%, 10/30/25 (Call 07/30/25)		1,145		1,086,868
2.80%, 03/01/23 (Call 02/01/23)		265		262,061


Security	Principal (000s)		Value
2.80%, 03/01/27 (Call 12/01/26)	$	2,100	$	2,005,857
2.85%, 10/30/24 (Call 07/30/24)		2,660		2,601,879
3.25%, 03/01/28 (Call 12/01/27)		340		335,583
3.30%, 03/01/35 (Call 09/01/34)		645		603,223
3.38%, 06/15/46 (Call 12/15/45)		2,100		1,914,003
3.50%, 03/01/45 (Call 09/01/44)		1,970		1,815,828
3.55%, 03/01/38 (Call 09/01/37)		255		246,024
3.65%, 03/01/47 (Call 09/01/46)		1,080		1,028,732
4.88%, 02/15/20		4,930		5,154,463
6.00%, 03/15/19		2,090		2,162,168
6.13%, 02/15/33		25		31,833
6.63%, 02/15/38		40		54,155
6.88%, 03/15/39		720		1,023,552
7.95%, 08/15/24		250		315,560
Embraer Netherlands Finance BV
5.40%, 02/01/27		11,200		11,897,424
General Dynamics Corp.
1.88%, 08/15/23 (Call 06/15/23)		1,630		1,526,495
2.13%, 08/15/26 (Call 05/15/26)		1,610		1,449,950
2.25%, 11/15/22 (Call 08/15/22)		6,438		6,203,786
2.38%, 11/15/24 (Call 09/15/24)		100		94,705
2.63%, 11/15/27 (Call 08/15/27)		1,700		1,581,187
3.60%, 11/15/42 (Call 05/15/42)		15		14,270
3.88%, 07/15/21 (Call 04/15/21)		2,020		2,081,469
Harris Corp.
2.70%, 04/27/20 (Call 03/27/20)		25		24,865


Security	Principal (000s)		Value
3.83%, 04/27/25 (Call 01/27/25)	$	1,060	$	1,069,794
4.40%, 12/15/20		1,950		2,016,651
4.85%, 04/27/35 (Call 10/27/34)		798		853,373
5.05%, 04/27/45 (Call 10/27/44)		1,925		2,101,349
5.55%, 10/01/21		2,090		2,241,253
6.15%, 12/15/40		160		199,926
L3 Technologies Inc.
3.85%, 12/15/26 (Call 09/15/26)		1,835		1,822,192
3.95%, 05/28/24 (Call 02/28/24)		761		770,558
4.75%, 07/15/20		2,782		2,883,293
4.95%, 02/15/21 (Call 11/15/20)		2,025		2,117,603
5.20%, 10/15/19		3,420		3,543,496
Lockheed Martin Corp.
2.50%, 11/23/20 (Call 10/23/20)		5,470		5,418,527
2.90%, 03/01/25 (Call 12/01/24)		2,547		2,448,431
3.10%, 01/15/23 (Call 11/15/22)		1,221		1,218,863
3.35%, 09/15/21		2,974		3,010,164
3.55%, 01/15/26 (Call 10/15/25)		3,842		3,842,461
3.60%, 03/01/35 (Call 09/01/34)		2,794		2,652,568
3.80%, 03/01/45 (Call 09/01/44)		3,782		3,558,938
4.07%, 12/15/42		6,248		6,164,714
4.09%, 09/15/52 (Call 03/15/52)		1,420		1,385,111
4.25%, 11/15/19		1,725		1,772,403
4.50%, 05/15/36 (Call 11/15/35)		815		865,628
4.70%, 05/15/46 (Call 11/15/45)		9,561		10,370,912
Series B 6.15%, 09/01/36		35		43,934
Northrop Grumman Corp.
2.08%, 10/15/20		1,455		1,424,823


Security	Principal (000s)		Value
2.55%, 10/15/22 (Call 09/15/22)	$	1,958	$	1,892,485
2.93%, 01/15/25 (Call 11/15/24)		2,785		2,673,461
3.20%, 02/01/27 (Call 11/01/26)		6,044		5,797,103
3.25%, 08/01/23		6,879		6,839,377
3.25%, 01/15/28 (Call 10/15/27)		1,930		1,844,443
3.50%, 03/15/21		2,250		2,281,095
3.85%, 04/15/45 (Call 10/15/44)		1,995		1,875,320
4.03%, 10/15/47 (Call 04/15/47)		4,200		4,039,392
4.75%, 06/01/43		1,705		1,838,365
5.05%, 11/15/40		545		605,991
Northrop Grumman Systems Corp.
7.75%, 02/15/31		115		155,678
Raytheon Co.
2.50%, 12/15/22 (Call 09/15/22)		1,935		1,888,908
3.13%, 10/15/20		1,438		1,452,797
4.20%, 12/15/44 (Call 06/15/44)		510		536,918
4.70%, 12/15/41		650		727,201
7.20%, 08/15/27		1,765		2,259,871
Rockwell Collins Inc.
1.95%, 07/15/19		370		366,326
2.80%, 03/15/22 (Call 02/15/22)		1,515		1,479,973
3.10%, 11/15/21 (Call 08/15/21)		575		573,850
3.20%, 03/15/24 (Call 01/15/24)		1,090		1,068,113
3.50%, 03/15/27 (Call 12/15/26)		4,670		4,547,412
3.70%, 12/15/23 (Call 09/15/23)		1,725		1,741,991
4.35%, 04/15/47 (Call 10/15/46)		3,370		3,347,691
4.80%, 12/15/43 (Call 06/15/43)		925		1,000,980


Security	Principal (000s)		Value
Spirit AeroSystems Inc.
3.85%, 06/15/26 (Call 03/15/26)	$	1,145	$	1,123,543
United Technologies Corp.
1.50%, 11/01/19		520		510,775
1.78%, 05/04/18^b		6,300		6,286,329
1.90%, 05/04/20		1,125		1,105,943
1.95%, 11/01/21 (Call 10/01/21)		4,175		4,015,932
2.30%, 05/04/22 (Call 04/04/22)		1,000		965,690
2.65%, 11/01/26 (Call 08/01/26)		1,395		1,294,658
2.80%, 05/04/24 (Call 03/04/24)		1,310		1,256,107
3.10%, 06/01/22		7,586		7,564,152
3.13%, 05/04/27 (Call 02/04/27)		2,180		2,069,125
3.75%, 11/01/46 (Call 05/01/46)		3,600		3,305,556
4.05%, 05/04/47 (Call 11/04/46)		2,115		2,037,231
4.15%, 05/15/45 (Call 11/16/44)		4,865		4,744,397
4.50%, 04/15/20		2,883		2,992,179
4.50%, 06/01/42		6,652		6,844,309
5.40%, 05/01/35		845		960,740
5.70%, 04/15/40		5,988		7,126,319
6.05%, 06/01/36		151		184,057
6.13%, 07/15/38		6,422		7,997,252
6.70%, 08/01/28		475		589,333
7.50%, 09/15/29		200		263,626

				231,246,306
AGRICULTURE — 0.32%
Altria Group Inc.
2.63%, 01/14/20 (Call 12/14/19)		5,569		5,550,344
2.63%, 09/16/26 (Call 06/16/26)		845		780,527
2.85%, 08/09/22		2,901		2,851,161
2.95%, 05/02/23		175		172,088
3.88%, 09/16/46 (Call 03/16/46)		2,605		2,415,408
4.00%, 01/31/24		4,492		4,624,289


Security	Principal (000s)		Value
4.25%, 08/09/42	$	1,370	$	1,353,628
4.50%, 05/02/43		4,291		4,373,387
4.75%, 05/05/21		6,743		7,096,603
5.38%, 01/31/44		5,840		6,693,983
9.25%, 08/06/19		345		376,367
Archer-Daniels-Midland Co.
2.50%, 08/11/26 (Call 05/11/26)		3,162		2,911,285
3.75%, 09/15/47 (Call 03/15/47)		500		458,445
4.02%, 04/16/43		306		295,926
4.48%, 03/01/21		3,340		3,493,573
4.54%, 03/26/42		373		387,607
5.38%, 09/15/35		25		28,726
5.77%, 03/01/41^b		600		726,456
BAT Capital Corp.
2.30%, 08/14/20^c		2,660		2,612,093
2.76%, 08/15/22 (Call 07/15/22)^c		3,045		2,960,532
3.22%, 08/15/24 (Call 06/15/24)^c		3,500		3,379,180
3.56%, 08/15/27 (Call 05/15/27)^c		8,335		7,969,844
4.39%, 08/15/37 (Call 02/15/37)^c		590		583,516
4.54%, 08/15/47 (Call 02/15/47)^c		2,800		2,721,152
Bunge Ltd. Finance Corp.
3.00%, 09/25/22 (Call 08/25/22)		1,015		990,346
3.25%, 08/15/26 (Call 05/15/26)		1,755		1,652,613
3.50%, 11/24/20 (Call 10/24/20)		2,705		2,727,803
3.75%, 09/25/27 (Call 06/25/27)		525		507,350
8.50%, 06/15/19		100		106,958
Philip Morris International Inc.
1.88%, 11/01/19		1,000		986,580
1.88%, 02/25/21 (Call 01/25/21)		800		774,536
2.00%, 02/21/20		1,050		1,034,429
2.13%, 05/10/23 (Call 03/10/23)		920		867,965


Security	Principal (000s)		Value
2.38%, 08/17/22 (Call 07/17/22)	$	2,127	$	2,051,172
2.50%, 08/22/22		3,600		3,490,128
2.50%, 11/02/22 (Call 10/02/22)		1,500		1,450,305
2.63%, 02/18/22 (Call 01/18/22)		1,055		1,034,459
2.63%, 03/06/23		300		291,066
2.75%, 02/25/26 (Call 11/25/25)^d		3,911		3,678,413
2.90%, 11/15/21		2,225		2,209,269
3.13%, 08/17/27 (Call 05/17/27)		1,750		1,680,507
3.25%, 11/10/24		3,889		3,830,121
3.38%, 08/11/25 (Call 05/11/25)		2,290		2,254,986
3.60%, 11/15/23		1,555		1,580,797
3.88%, 08/21/42^d		276		259,308
4.13%, 05/17/21		2,610		2,694,982
4.13%, 03/04/43		2,500		2,432,250
4.25%, 11/10/44		5,784		5,774,688
4.38%, 11/15/41		3,936		3,976,777
4.50%, 03/26/20		1,180		1,220,014
4.50%, 03/20/42		2,055		2,110,095
4.88%, 11/15/43		1,675		1,811,127
5.65%, 05/16/18		6,409		6,454,953
6.38%, 05/16/38		3,433		4,445,460
Reynolds American Inc.
3.25%, 06/12/20		7,604		7,639,130
4.00%, 06/12/22		2,240		2,295,261
4.45%, 06/12/25 (Call 03/12/25)		8,650		8,927,319
4.85%, 09/15/23		25		26,686
5.70%, 08/15/35 (Call 02/15/35)		2,900		3,301,882
5.85%, 08/15/45 (Call 02/15/45)		12,201		14,194,521
6.15%, 09/15/43		655		785,306
6.88%, 05/01/20		6,273		6,770,951
7.25%, 06/15/37		1,050		1,396,027

				174,532,660


Security	Principal (000s)		Value
AIRLINES — 0.13%
American Airlines Pass Through Trust
Series 2013-1, Class A
4.00%, 01/15/27	$	1,163	$	1,177,280
Series 2013-2, Class A
4.95%, 07/15/24		2,443		2,550,103
Series 2014-1, Class A
3.70%, 04/01/28		2,367		2,351,043
Series 2015-1, Class A
3.38%, 11/01/28		8,647		8,421,595
Series 2015-2, Class AA
3.60%, 03/22/29		186		184,482
Series 2016-1, Class AA
3.58%, 07/15/29		626		619,020
Series 2016-3, Class AA
3.00%, 04/15/30		299		284,532
Series 2017-1, Class AA
3.65%, 02/15/29		4,157		4,116,254
Continental Airlines Inc. Pass Through Trust
Series 2009-2, Class A
7.25%, 05/10/21		315		334,313
Series 2012-1, Class A
4.15%, 10/11/25		1,946		1,992,339
Series 2012-2, Class A
4.00%, 04/29/26		80		81,262
Delta Air Lines Inc.
2.60%, 12/04/20		1,130		1,115,875
3.63%, 03/15/22 (Call 02/15/22)		3,690		3,691,624
Delta Air Lines Inc. Pass Through Trust
Series 2015-1, Class AA
3.63%, 01/30/29		1,919		1,910,518
Series 2017-1, Class A
6.82%, 02/10/24		58		64,900
Latam Airlines Pass Through Trust
Series 2015-1, Class A
4.20%, 08/15/29		4,420		4,395,965
Southwest Airlines Co.
2.65%, 11/05/20 (Call 10/05/20)		4,990		4,951,876


Security	Principal (000s)		Value
2.75%, 11/06/19 (Call 10/06/19)	$	1,630	$	1,629,902
2.75%, 11/16/22 (Call 10/16/22)		1,015		997,024
3.00%, 11/15/26 (Call 08/15/26)		2,535		2,390,226
3.45%, 11/16/27 (Call 08/16/27)		1,500		1,457,535
Spirit Airlines Pass Through Trust
Series 2015-1, Class A
4.10%, 10/01/29		4,484		4,557,221
U.S. Airways Pass Through Trust
Series 2012-1, Class A
5.90%, 04/01/26		363		396,530
Series 2012-2, Class A
4.63%, 12/03/26		643		668,751
United Airlines Pass Through Trust
Series 2014-1, Class A
4.00%, 10/11/27^d		3,506		3,556,667
Series 2014-2, Class A
3.75%, 03/03/28		5,583		5,599,379
Series 2015-1, Class AA
3.45%, 06/01/29		5,426		5,339,281
Series 2016-1, Class AA
3.10%, 01/07/30		2,434		2,345,291
Series 2016-2, Class AA
2.88%, 04/07/30		1,000		946,660
Series 2018-1, Class AA
3.50%, 09/01/31		2,000		1,973,620

				70,101,068
APPAREL — 0.03%
NIKE Inc.
2.25%, 05/01/23 (Call 02/01/23)		2,615		2,526,979
2.38%, 11/01/26 (Call 08/01/26)		3,145		2,903,024
3.38%, 11/01/46 (Call 05/01/46)		2,540		2,291,715
3.63%, 05/01/43 (Call 11/01/42)		815		772,416


Security	Principal (000s)		Value
3.88%, 11/01/45 (Call 05/01/45)	$	2,485	$	2,447,576
Ralph Lauren Corp.
2.63%, 08/18/20 (Call 07/18/20)		1,925		1,917,242
VF Corp.
3.50%, 09/01/21 (Call 06/01/21)		1,880		1,915,250
6.45%, 11/01/37		65		82,046

				14,856,248
AUTO MANUFACTURERS — 0.54%
American Honda Finance Corp.
1.20%, 07/12/19		2,950		2,894,923
1.65%, 07/12/21		2,255		2,166,469
1.70%, 09/09/21		1,940		1,858,869
1.95%, 07/20/20		1,090		1,070,380
2.00%, 02/14/20		4,015		3,964,612
2.15%, 03/13/20		2,000		1,978,820
2.25%, 08/15/19		2,960		2,944,016
2.30%, 09/09/26		1,215		1,111,713
2.45%, 09/24/20		1,585		1,570,291
2.60%, 11/16/22		1,280		1,252,595
2.65%, 02/12/21		2,000		1,991,160
2.90%, 02/16/24		1,150		1,128,254
3.50%, 02/15/28		1,000		999,000
Daimler Finance North America LLC
8.50%, 01/18/31		4,825		7,038,903
Ford Holdings LLC
9.30%, 03/01/30		1,600		2,171,824
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)		3,240		3,186,702
4.75%, 01/15/43		6,310		5,825,013
5.29%, 12/08/46 (Call 06/08/46)		4,500		4,422,735
6.38%, 02/01/29		1,150		1,300,777
6.63%, 10/01/28		1,240		1,432,522
7.40%, 11/01/46		1,700		2,161,941
7.45%, 07/16/31		4,276		5,225,913
Ford Motor Credit Co. LLC
1.90%, 08/12/19		1,050		1,034,502
2.02%, 05/03/19		400		396,104
2.26%, 03/28/19		745		740,284


Security	Principal (000s)		Value
2.34%, 11/02/20	$	4,400	$	4,291,188
2.38%, 03/12/19		2,950		2,936,282
2.43%, 06/12/20		1,415		1,389,657
2.46%, 03/27/20		1,000		985,350
2.60%, 11/04/19		2,650		2,632,908
2.68%, 01/09/20		200		198,566
2.98%, 08/03/22 (Call 07/03/22)		2,200		2,130,700
3.10%, 05/04/23		1,070		1,030,121
3.16%, 08/04/20		1,450		1,445,346
3.20%, 01/15/21		2,930		2,909,959
3.22%, 01/09/22		3,175		3,126,549
3.34%, 03/18/21		6,122		6,094,022
3.34%, 03/28/22 (Call 02/28/22)		2,810		2,769,424
3.66%, 09/08/24		4,975		4,824,108
3.81%, 01/09/24 (Call 11/09/23)		2,040		2,010,155
3.82%, 11/02/27 (Call 08/02/27)		550		515,031
4.13%, 08/04/25		5,975		5,868,824
4.25%, 09/20/22		5,550		5,649,900
4.38%, 08/06/23		200		204,110
4.39%, 01/08/26		3,300		3,284,061
5.00%, 05/15/18		2,950		2,965,458
5.75%, 02/01/21		1,900		2,016,375
5.88%, 08/02/21		7,030		7,536,019
8.13%, 01/15/20		7,900		8,607,682
General Motors Co.
4.00%, 04/01/25		800		791,744
4.20%, 10/01/27 (Call 07/01/27)		1,010		995,921
4.88%, 10/02/23		4,619		4,840,435
5.00%, 04/01/35		670		671,755
5.15%, 04/01/38 (Call 10/01/37)		650		651,125
5.20%, 04/01/45		6,385		6,281,180
5.40%, 04/01/48 (Call 10/01/47)		800		811,432
6.25%, 10/02/43		2,548		2,844,103
6.60%, 04/01/36 (Call 10/01/35)		2,842		3,298,510
6.75%, 04/01/46 (Call 10/01/45)		2,825		3,324,347


Security	Principal (000s)		Value
General Motors Financial Co. Inc.
2.35%, 10/04/19	$	1,440	$	1,425,989
2.45%, 11/06/20		3,050		2,987,536
2.65%, 04/13/20		2,950		2,921,149
3.15%, 01/15/20 (Call 12/15/19)		5,018		5,026,029
3.15%, 06/30/22 (Call 05/30/22)		3,450		3,375,376
3.20%, 07/13/20 (Call 06/13/20)		5,860		5,861,817
3.20%, 07/06/21 (Call 06/06/21)		270		268,024
3.25%, 05/15/18		150		150,234
3.25%, 01/05/23 (Call 12/05/22)		2,000		1,957,860
3.45%, 01/14/22 (Call 12/14/21)		5,925		5,898,397
3.45%, 04/10/22 (Call 02/10/22)		9,125		9,065,414
3.50%, 11/07/24 (Call 09/07/24)		3,035		2,927,652
3.70%, 11/24/20 (Call 10/24/20)		8,235		8,323,938
3.70%, 05/09/23 (Call 03/09/23)		1,750		1,740,918
3.85%, 01/05/28 (Call 10/05/27)		2,375		2,255,490
3.95%, 04/13/24 (Call 02/13/24)		1,465		1,460,312
4.00%, 01/15/25 (Call 10/15/24)		7,023		6,970,327
4.00%, 10/06/26 (Call 07/06/26)		890		868,756
4.20%, 03/01/21 (Call 02/01/21)		2,100		2,149,203
4.30%, 07/13/25 (Call 04/13/25)		7,425		7,456,705
4.35%, 01/17/27 (Call 10/17/26)		2,955		2,946,401
4.38%, 09/25/21		1,900		1,954,967
5.25%, 03/01/26 (Call 12/01/25)		5,605		5,930,875


Security	Principal (000s)		Value
PACCAR Financial Corp.
1.30%, 05/10/19	$	715	$	705,154
1.40%, 05/18/18		1,050		1,048,383
1.65%, 08/11/21		35		33,544
1.95%, 02/27/20		490		483,664
2.05%, 11/13/20		770		755,809
2.25%, 02/25/21		1,375		1,351,268
2.30%, 08/10/22		1,500		1,451,235
2.50%, 08/14/20		1,050		1,044,498
2.80%, 03/01/21		500		500,260
Toyota Motor Credit Corp.
1.40%, 05/20/19		2,900		2,863,025
1.55%, 10/18/19		2,069		2,038,110
1.90%, 04/08/21		1,075		1,044,599
1.95%, 04/17/20		1,650		1,623,468
2.13%, 07/18/19		3,047		3,031,277
2.15%, 03/12/20		12,940		12,815,000
2.15%, 09/08/22		1,877		1,803,084
2.20%, 01/10/20		600		596,052
2.25%, 10/18/23		1,805		1,720,418
2.60%, 01/11/22		2,298		2,264,472
2.63%, 01/10/23		2,200		2,153,404
2.75%, 05/17/21		53		52,827
2.80%, 07/13/22		250		247,420
2.90%, 04/17/24		4,050		3,989,776
3.05%, 01/11/28		100		96,575
3.20%, 01/11/27		1,120		1,102,696
3.30%, 01/12/22		2,840		2,871,297
3.40%, 09/15/21		1,795		1,824,366
4.25%, 01/11/21		2,750		2,861,897
4.50%, 06/17/20		150		156,066

				296,253,682
AUTO PARTS & EQUIPMENT — 0.02%
Aptiv PLC
3.15%, 11/19/20 (Call 10/19/20)		1,000		1,001,390
4.25%, 01/15/26 (Call 10/15/25)		935		957,823
4.40%, 10/01/46 (Call 04/01/46)		225		218,277
BorgWarner Inc.
4.38%, 03/15/45 (Call 09/15/44)		900		881,604
4.63%, 09/15/20		1,400		1,455,146


Security	Principal (000s)		Value
Delphi Corp.
4.15%, 03/15/24 (Call 12/15/23)	$	2,689	$	2,756,575
Lear Corp.
5.25%, 01/15/25 (Call 01/15/20)		3,130		3,290,381
Magna International Inc.
3.63%, 06/15/24 (Call 03/15/24)		690		697,376
4.15%, 10/01/25 (Call 07/01/25)		1,500		1,545,225

				12,803,797
BANKS — 6.20%
Australia & New Zealand Banking Group Ltd./New York NY
1.60%, 07/15/19		5,000		4,930,100
2.05%, 09/23/19		2,750		2,722,005
2.25%, 06/13/19		4,560		4,535,102
2.30%, 06/01/21		3,280		3,199,476
2.55%, 11/23/21		2,500		2,446,800
2.63%, 05/19/22		4,750		4,637,520
2.70%, 11/16/20		2,750		2,729,650
3.70%, 11/16/25		2,500		2,532,025
Banco Bilbao Vizcaya Argentaria SA
3.00%, 10/20/20		620		616,361
Banco Santander SA
3.13%, 02/23/23		1,400		1,361,738
3.50%, 04/11/22		1,050		1,047,260
3.80%, 02/23/28		2,900		2,782,579
4.25%, 04/11/27		3,000		2,992,560
5.18%, 11/19/25		5,400		5,650,614
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)		735		719,602
2.50%, 10/21/22 (Call 10/21/21)		4,501		4,347,021
2.63%, 10/19/20		8,838		8,754,746
2.63%, 04/19/21		2,530		2,493,037
2.65%, 04/01/19		5,294		5,296,276
3.25%, 10/21/27 (Call 10/21/26)		8,335		7,911,832
3.30%, 01/11/23		11,740		11,702,197


Security	Principal (000s)		Value
3.50%, 04/19/26	$	6,655	$	6,567,221
3.88%, 08/01/25		15,010		15,209,783
4.00%, 04/01/24		2,732		2,802,895
4.00%, 01/22/25		3,825		3,846,420
4.10%, 07/24/23		1,250		1,291,950
4.13%, 01/22/24		14,007		14,478,616
4.18%, 11/25/27 (Call 11/25/26)		5,010		5,019,469
4.20%, 08/26/24		14,175		14,486,425
4.25%, 10/22/26		6,690		6,764,125
4.45%, 03/03/26		1,965		2,014,832
4.88%, 04/01/44		2,905		3,215,022
5.00%, 05/13/21		295		311,765
5.00%, 01/21/44		7,730		8,712,638
5.63%, 07/01/20		3,135		3,325,357
5.65%, 05/01/18		1,905		1,915,706
5.70%, 01/24/22		5,980		6,521,190
5.88%, 01/05/21		1,490		1,603,404
5.88%, 02/07/42		3,385		4,225,936
6.11%, 01/29/37		3,368		4,063,189
6.22%, 09/15/26		600		677,562
7.75%, 05/14/38		4,779		6,825,463
(3 mo. LIBOR US + 0.370%)
2.74%, 01/23/22 (Call 01/23/21)^e		8,000		7,918,080
(3 mo. LIBOR US + 0.630%)
2.33%, 10/01/21 (Call 10/01/20)^e		3,600		3,541,536
(3 mo. LIBOR US + 0.660%)
2.37%, 07/21/21 (Call 07/21/20)^e		2,272		2,237,920
(3 mo. LIBOR US + 0.790%)
3.00%, 12/20/23 (Call 12/20/22)^c,e		17,355		16,981,000
(3 mo. LIBOR US + 0.810%)
3.37%, 01/23/26 (Call 01/23/25)^e		100		97,913
(3 mo. LIBOR US + 0.930%)
2.82%, 07/21/23 (Call 07/21/22)^e		4,987		4,864,469
(3 mo. LIBOR US + 1.021%)
2.88%, 04/24/23 (Call 04/24/22)^e		3,100		3,040,945


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.040%)
3.42%, 12/20/28 (Call 12/20/27)^c,e	$	13,708	$	13,114,718
(3 mo. LIBOR US + 1.090%)
3.09%, 10/01/25 (Call 10/01/24)^e		206		199,350
(3 mo. LIBOR US + 1.160%)
3.12%, 01/20/23 (Call 01/20/22)^e		4,450		4,414,177
(3 mo. LIBOR US + 1.190%)
3.95%, 01/23/49 (Call 01/23/48)^e		200		191,312
(3 mo. LIBOR US + 1.370%)
3.59%, 07/21/28 (Call 07/21/27)^e		3,500		3,412,780
(3 mo. LIBOR US + 1.512%)
3.71%, 04/24/28 (Call 04/24/27)^e		5,795		5,695,384
(3 mo. LIBOR US + 1.575%)
3.82%, 01/20/28 (Call 01/20/27)^e		6,030		5,982,845
(3 mo. LIBOR US + 1.814%)
4.24%, 04/24/38 (Call 04/24/37)^e		2,750		2,798,785
(3 mo. LIBOR US + 1.990%)
4.44%, 01/20/48 (Call 01/20/47)^e		6,689		6,939,837
Series L
1.95%, 05/12/18		4,200		4,196,934
2.25%, 04/21/20		5,745		5,673,245
3.95%, 04/21/25		5,670		5,670,794
4.75%, 04/21/45		615		650,615
Bank of America N.A.
6.00%, 10/15/36		13,276		16,405,817
Bank of Montreal
1.50%, 07/18/19		1,605		1,578,052
1.75%, 09/11/19		1,110		1,095,548
1.90%, 08/27/21		6,295		6,054,405
2.10%, 12/12/19		960		949,651
2.10%, 06/15/20		4,240		4,171,015
2.35%, 09/11/22		7,100		6,853,488
2.55%, 11/06/22 (Call 10/06/22)		3,100		3,010,565


Security	Principal (000s)		Value
(5 year USD Swap + 1.432%)
3.80%, 12/15/32 (Call 12/15/27)^e	$	1,400	$	1,335,600
Bank of New York Mellon Corp. (The)
2.05%, 05/03/21 (Call 04/03/21)		830		805,673
2.20%, 03/04/19 (Call 02/02/19)		1,350		1,344,924
2.20%, 05/15/19 (Call 04/15/19)		5,025		5,005,603
2.20%, 08/16/23 (Call 06/16/23)		3,698		3,494,721
2.30%, 09/11/19 (Call 08/11/19)		2,669		2,653,200
2.45%, 11/27/20 (Call 10/27/20)		3,710		3,662,178
2.45%, 08/17/26 (Call 05/17/26)		2,409		2,197,683
2.50%, 04/15/21 (Call 03/15/21)		3,622		3,567,598
2.60%, 08/17/20 (Call 07/17/20)		4,210		4,179,309
2.60%, 02/07/22 (Call 01/07/22)		2,130		2,084,418
2.80%, 05/04/26 (Call 02/04/26)		740		697,176
2.95%, 01/29/23 (Call 12/29/22)		2,525		2,495,735
3.00%, 02/24/25 (Call 01/24/25)		1,575		1,528,459
3.00%, 10/30/28 (Call 07/30/28)		2,415		2,249,331
3.25%, 09/11/24 (Call 08/11/24)		1,090		1,079,612
3.25%, 05/16/27 (Call 02/16/27)		3,205		3,106,895
3.30%, 08/23/29 (Call 05/23/29)		1,750		1,663,340
3.40%, 05/15/24 (Call 04/15/24)		3,856		3,856,848
3.40%, 01/29/28 (Call 10/29/27)		100		97,877


Security	Principal (000s)		Value
3.55%, 09/23/21 (Call 08/23/21)	$	4,290	$	4,362,029
3.65%, 02/04/24 (Call 01/05/24)		2,625		2,669,100
3.95%, 11/18/25 (Call 10/18/25)		2,375		2,437,035
4.15%, 02/01/21		350		360,815
4.60%, 01/15/20		2,665		2,752,225
(3 mo. LIBOR US + 0.634%)
2.66%, 05/16/23 (Call 05/16/22)^e		2,750		2,679,903
(3 mo. LIBOR US + 1.069%)
3.44%, 02/07/28 (Call 02/07/27)^e		3,985		3,916,498
Series G
2.15%, 02/24/20 (Call 01/24/20)		2,550		2,519,477
Bank of Nova Scotia (The)
1.65%, 06/14/19		3,365		3,324,822
1.85%, 04/14/20		25		24,585
2.05%, 06/05/19		3,005		2,984,265
2.15%, 07/14/20		250		246,220
2.35%, 10/21/20		7,603		7,503,173
2.45%, 03/22/21		6,200		6,103,156
2.45%, 09/19/22^d		5,425		5,250,261
2.50%, 01/08/21		35		34,543
2.70%, 03/07/22		11,064		10,849,469
2.80%, 07/21/21		2,225		2,208,891
4.38%, 01/13/21		1,525		1,586,503
4.50%, 12/16/25		1,575		1,611,650
Bank One Capital III
8.75%, 09/01/30		25		35,236
Bank One Corp.
7.63%, 10/15/26		5,265		6,564,402
7.75%, 07/15/25		493		604,300
8.00%, 04/29/27		600		771,516
Barclays Bank PLC
2.65%, 01/11/21 (Call 12/11/20)		3,900		3,850,392
5.14%, 10/14/20		6,460		6,699,085
Barclays PLC
2.75%, 11/08/19		5,923		5,888,706
2.88%, 06/08/20		8,500		8,426,730


Security	Principal (000s)		Value
3.20%, 08/10/21	$	2,250	$	2,228,265
3.25%, 01/12/21		5,445		5,414,562
3.65%, 03/16/25		6,118		5,892,491
3.68%, 01/10/23 (Call 01/10/22)		2,446		2,428,511
4.34%, 01/10/28 (Call 01/10/27)^d		4,120		4,094,868
4.38%, 09/11/24		3,425		3,359,137
4.38%, 01/12/26		10,707		10,735,481
4.84%, 05/09/28 (Call 05/07/27)		2,930		2,885,347
4.95%, 01/10/47		2,205		2,267,335
5.20%, 05/12/26		5,375		5,452,400
5.25%, 08/17/45		4,880		5,247,757
BB&T Corp.
2.05%, 05/10/21 (Call 04/09/21)		5,055		4,908,658
2.15%, 02/01/21 (Call 01/01/21)		3,450		3,377,929
2.45%, 01/15/20 (Call 12/15/19)		3,746		3,723,711
2.63%, 06/29/20 (Call 05/29/20)		4,405		4,376,456
2.75%, 04/01/22 (Call 03/01/22)		2,500		2,464,050
2.85%, 10/26/24 (Call 09/26/24)		3,100		2,999,870
3.95%, 03/22/22 (Call 02/22/22)		1,650		1,693,230
5.25%, 11/01/19		1,351		1,402,959
6.85%, 04/30/19		2,224		2,329,640
BNP Paribas SA
2.38%, 05/21/20		1,530		1,511,625
2.45%, 03/17/19		3,500		3,493,875
4.25%, 10/15/24		2,150		2,206,158
5.00%, 01/15/21		9,656		10,153,187
BNP Paribas/BNP Paribas U.S. Medium-Term Note Program LLC
3.25%, 03/03/23		2,250		2,237,445
BPCE SA
2.25%, 01/27/20		5,575		5,499,347
2.50%, 07/15/19		6,050		6,023,864
2.65%, 02/03/21		1,750		1,723,155


Security	Principal (000s)		Value
2.75%, 12/02/21	$	2,500	$	2,449,825
3.38%, 12/02/26		2,000		1,946,400
4.00%, 04/15/24		1,195		1,220,621
Branch Banking & Trust Co.
1.45%, 05/10/19 (Call 04/10/19)		6,240		6,157,133
2.10%, 01/15/20 (Call 12/15/19)		2,210		2,183,171
2.25%, 06/01/20 (Call 05/01/20)		2,000		1,973,860
2.63%, 01/15/22 (Call 12/15/21)		1,750		1,719,183
2.85%, 04/01/21 (Call 03/01/21)		625		623,150
3.63%, 09/16/25 (Call 08/16/25)		2,775		2,774,667
3.80%, 10/30/26 (Call 09/30/26)		2,603		2,632,466
Canadian Imperial Bank of Commerce
1.60%, 09/06/19		2,559		2,516,725
2.10%, 10/05/20		2,000		1,962,220
2.55%, 06/16/22		2,800		2,726,668
2.70%, 02/02/21		2,000		1,981,260
Capital One Financial Corp.
2.40%, 10/30/20 (Call 09/30/20)		3,530		3,463,777
2.45%, 04/24/19 (Call 03/24/19)		1,261		1,255,994
2.50%, 05/12/20 (Call 04/12/20)		465		459,434
3.05%, 03/09/22 (Call 02/09/22)		767		754,774
3.20%, 01/30/23 (Call 12/30/22)		2,735		2,683,773
3.20%, 02/05/25 (Call 01/05/25)		2,031		1,949,638
3.30%, 10/30/24 (Call 09/30/24)		2,000		1,941,040
3.50%, 06/15/23		625		624,550
3.75%, 04/24/24 (Call 03/24/24)		1,745		1,748,525
3.75%, 07/28/26 (Call 06/28/26)		6,945		6,627,752


Security	Principal (000s)		Value
3.75%, 03/09/27 (Call 02/09/27)	$	4,680	$	4,546,760
3.80%, 01/31/28 (Call 12/31/27)		1,720		1,669,810
4.20%, 10/29/25 (Call 09/29/25)		9,541		9,467,248
4.75%, 07/15/21		7,675		8,036,032
Capital One N.A.
1.85%, 09/13/19 (Call 08/13/19)		3,750		3,689,700
2.25%, 09/13/21 (Call 08/13/21)		5,000		4,811,650
2.35%, 01/31/20 (Call 12/31/19)		2,250		2,223,113
2.40%, 09/05/19 (Call 08/05/19)		2,804		2,783,278
2.65%, 08/08/22 (Call 07/08/22)		2,250		2,170,148
2.95%, 07/23/21 (Call 06/23/21)		3,500		3,465,350
Citibank N.A.
2.00%, 03/20/19 (Call 02/20/19)		1,500		1,490,205
2.10%, 06/12/20 (Call 05/12/20)		3,860		3,790,443
2.13%, 10/20/20 (Call 09/20/20)		8,500		8,311,810
Citigroup Inc.
1.75%, 05/01/18		6,100		6,095,059
2.05%, 06/07/19		2,150		2,132,327
2.35%, 08/02/21		5,550		5,403,036
2.40%, 02/18/20		5,285		5,233,524
2.45%, 01/10/20 (Call 12/10/19)		2,211		2,192,980
2.50%, 07/29/19		5,604		5,585,002
2.55%, 04/08/19		7,335		7,324,731
2.65%, 10/26/20		3,736		3,697,071
2.70%, 03/30/21		7,570		7,480,371
2.70%, 10/27/22 (Call 09/27/22)		2,000		1,941,100
2.75%, 04/25/22 (Call 03/25/22)		4,595		4,496,943
2.90%, 12/08/21 (Call 11/08/21)		2,615		2,581,502


Security	Principal (000s)		Value
3.20%, 10/21/26 (Call 07/21/26)	$	3,275	$	3,123,990
3.30%, 04/27/25		3,445		3,361,562
3.38%, 03/01/23		1,920		1,917,350
3.40%, 05/01/26		3,575		3,473,220
3.50%, 05/15/23		3,148		3,136,478
3.70%, 01/12/26		5,230		5,196,685
3.75%, 06/16/24		3,500		3,529,225
3.88%, 10/25/23		3,785		3,857,293
3.88%, 03/26/25		2,205		2,197,018
4.00%, 08/05/24		2,161		2,184,641
4.05%, 07/30/22		2,275		2,328,713
4.13%, 07/25/28		4,115		4,085,454
4.30%, 11/20/26		3,450		3,503,578
4.40%, 06/10/25		7,706		7,911,288
4.45%, 09/29/27		10,678		10,909,713
4.50%, 01/14/22		11,630		12,145,674
4.60%, 03/09/26		3,295		3,411,412
4.65%, 07/30/45		3,091		3,305,979
4.75%, 05/18/46		5,780		5,918,893
5.30%, 05/06/44		5,930		6,573,346
5.38%, 08/09/20		400		421,276
5.50%, 09/13/25		7,595		8,305,588
5.88%, 01/30/42		2,203		2,748,617
6.00%, 10/31/33		1,000		1,176,960
6.13%, 05/15/18		80		80,576
6.13%, 08/25/36		508		603,352
6.63%, 01/15/28		25		29,595
6.63%, 06/15/32		670		824,174
6.68%, 09/13/43		1,810		2,373,308
8.13%, 07/15/39		12,719		19,377,651
(3 mo. LIBOR US + 0.722%)
3.14%, 01/24/23 (Call 01/24/22)^e		5,000		4,955,850
(3 mo. LIBOR US + 0.950%)
2.88%, 07/24/23 (Call 07/24/22)^e		4,623		4,516,486
(3 mo. LIBOR US + 1.151%)
3.52%, 10/27/28 (Call 10/27/27)^e		850		819,732
(3 mo. LIBOR US + 1.168%)
3.88%, 01/24/39 (Call 01/24/38)^e		5,310		5,095,370


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.390%)
3.67%, 07/24/28 (Call 07/24/27)^e	$	2,755	$	2,698,385
(3 mo. LIBOR US + 1.563%)
3.89%, 01/10/28 (Call 01/10/27)^e		6,975		6,952,192
(3 mo. LIBOR US + 1.839%)
4.28%, 04/24/48 (Call 04/24/47)^e		6,805		6,862,094
Citizens Bank N.A./Providence RI
2.20%, 05/26/20 (Call 04/26/20)		505		496,662
2.25%, 03/02/20 (Call 02/03/20)		615		606,747
2.25%, 10/30/20 (Call 09/30/20)		2,550		2,496,909
2.45%, 12/04/19 (Call 11/04/19)		750		744,120
2.50%, 03/14/19 (Call 02/14/19)		665		663,876
2.55%, 05/13/21 (Call 04/13/21)		2,580		2,526,542
2.65%, 05/26/22 (Call 04/26/22)		2,135		2,076,074
Citizens Financial Group Inc.
2.38%, 07/28/21 (Call 06/28/21)		1,995		1,944,387
4.30%, 12/03/25 (Call 11/03/25)		450		457,587
4.35%, 08/01/25 (Call 07/03/25)		5,205		5,229,568
Comerica Bank
2.50%, 06/02/20		1,500		1,483,950
Comerica Inc.
2.13%, 05/23/19 (Call 04/23/19)		1,763		1,750,906
3.80%, 07/22/26		1,550		1,528,734
Commonwealth Bank of Australia/New York NY
2.05%, 03/15/19		400		397,676
2.25%, 03/13/19		6,000		5,979,540
2.30%, 09/06/19		2,250		2,237,018
2.30%, 03/12/20		2,100		2,074,695


Security	Principal (000s)		Value
2.40%, 11/02/20	$	2,450	$	2,414,916
2.55%, 03/15/21		3,140		3,097,045
Compass Bank
2.75%, 09/29/19 (Call 08/29/19)		5,195		5,162,531
2.88%, 06/29/22 (Call 05/29/22)		1,000		975,300
3.88%, 04/10/25 (Call 03/10/25)		1,750		1,705,603
Cooperatieve Rabobank UA
3.75%, 07/21/26		3,785		3,674,781
3.88%, 02/08/22		8,419		8,596,978
3.95%, 11/09/22		6,000		6,092,280
4.38%, 08/04/25		2,020		2,053,512
4.50%, 01/11/21		4,225		4,394,127
4.63%, 12/01/23		7,335		7,660,234
5.25%, 05/24/41		4,435		5,250,330
5.25%, 08/04/45		4,950		5,493,609
5.75%, 12/01/43		4,600		5,456,980
Cooperatieve Rabobank UA/NY
1.38%, 08/09/19		4,500		4,416,570
2.25%, 01/14/20		1,550		1,532,563
2.50%, 01/19/21		4,380		4,312,855
2.75%, 01/10/22		2,250		2,214,653
2.75%, 01/10/23		2,000		1,950,440
3.38%, 05/21/25		1,750		1,725,990
Credit Suisse AG/New York NY
2.30%, 05/28/19		3,060		3,043,415
3.00%, 10/29/21		11,240		11,172,335
3.63%, 09/09/24		10,050		10,026,282
4.38%, 08/05/20		750		774,150
5.30%, 08/13/19		1,000		1,034,520
5.40%, 01/14/20		2,752		2,865,162
Credit Suisse Group Funding Guernsey Ltd.
2.75%, 03/26/20		3,000		2,977,590
3.13%, 12/10/20		10,425		10,393,829
3.45%, 04/16/21		3,120		3,128,642
3.75%, 03/26/25		4,915		4,851,400
3.80%, 09/15/22		5,000		5,047,950
3.80%, 06/09/23		4,472		4,490,648
4.55%, 04/17/26		7,050		7,308,735
4.88%, 05/15/45		6,240		6,620,827


Security	Principal (000s)		Value
Deutsche Bank AG
2.85%, 05/10/19	$	5,450	$	5,442,697
2.95%, 08/20/20		4,500		4,457,655
3.13%, 01/13/21		4,090		4,056,217
3.38%, 05/12/21		5,605		5,571,874
4.10%, 01/13/26		2,395		2,346,238
4.25%, 10/14/21		406		414,193
Deutsche Bank AG/London
3.70%, 05/30/24		6,095		5,947,989
Deutsche Bank AG/New York NY
2.70%, 07/13/20		3,282		3,234,739
3.15%, 01/22/21		4,710		4,665,726
3.30%, 11/16/22		6,213		6,063,702
3.95%, 02/27/23		2,000		1,997,780
Discover Bank
3.10%, 06/04/20 (Call 05/04/20)		2,355		2,352,574
3.35%, 02/06/23 (Call 01/06/23)		1,000		992,920
3.45%, 07/27/26 (Call 04/27/26)		1,970		1,866,969
4.20%, 08/08/23		6,450		6,633,373
4.25%, 03/13/26		675		680,515
7.00%, 04/15/20		250		269,085
Fifth Third Bancorp.
2.30%, 03/01/19 (Call 01/30/19)		2,739		2,731,112
2.60%, 06/15/22 (Call 05/15/22)		1,375		1,337,669
2.88%, 07/27/20 (Call 06/27/20)		2,984		2,978,480
3.50%, 03/15/22 (Call 02/15/22)		7,552		7,620,648
4.30%, 01/16/24 (Call 12/16/23)		263		271,808
8.25%, 03/01/38		2,734		3,985,926
Fifth Third Bank/Cincinnati OH
1.63%, 09/27/19 (Call 08/27/19)		1,085		1,066,425
2.20%, 10/30/20 (Call 09/30/20)		400		391,864
2.25%, 06/14/21 (Call 05/14/21)		1,600		1,560,608


Security	Principal (000s)		Value
2.30%, 03/15/19 (Call 02/15/19)	$	2,170	$	2,164,532
2.38%, 04/25/19 (Call 03/25/19)		750		747,188
2.88%, 10/01/21 (Call 09/01/21)		3,975		3,938,231
3.85%, 03/15/26 (Call 02/15/26)		5,360		5,324,785
First Republic Bank/CA
2.38%, 06/17/19 (Call 05/17/19)		1,880		1,870,713
2.50%, 06/06/22 (Call 05/06/22)		4,500		4,363,200
4.38%, 08/01/46 (Call 02/01/46)		2,000		1,969,800
4.63%, 02/13/47		2,000		2,054,780
First Tennessee Bank N.A.
2.95%, 12/01/19 (Call 11/01/19)		1,500		1,498,290
FirstMerit Bank N.A./Akron OH
4.27%, 11/25/26		1,000		1,003,700
Goldman Sachs Capital I
6.35%, 02/15/34		6,496		7,825,406
Goldman Sachs Group Inc. (The)
1.95%, 07/23/19		1,335		1,321,757
2.00%, 04/25/19 (Call 03/25/19)		3,000		2,980,050
2.30%, 12/13/19 (Call 11/13/19)		1,250		1,238,725
2.35%, 11/15/21 (Call 11/15/20)		7,071		6,835,465
2.55%, 10/23/19		9,695		9,648,755
2.60%, 04/23/20 (Call 03/23/20)		7,120		7,068,950
2.60%, 12/27/20 (Call 12/27/19)		5,023		4,966,793
2.63%, 04/25/21 (Call 03/25/21)		1,355		1,332,277
2.75%, 09/15/20 (Call 08/15/20)		7,960		7,906,350
2.88%, 02/25/21 (Call 01/25/21)		4,607		4,571,434


Security	Principal (000s)		Value
3.00%, 04/26/22 (Call 04/26/21)	$	8,680	$	8,553,359
3.20%, 02/23/23 (Call 01/23/23)		1,100		1,082,752
3.50%, 01/23/25 (Call 10/23/24)		7,995		7,853,808
3.50%, 11/16/26 (Call 11/16/25)		5,283		5,091,121
3.63%, 01/22/23		7,420		7,466,672
3.75%, 05/22/25 (Call 02/22/25)		10,664		10,617,505
3.75%, 02/25/26 (Call 11/25/25)		4,055		4,009,422
3.85%, 07/08/24 (Call 04/08/24)		10,425		10,496,307
3.85%, 01/26/27 (Call 01/26/26)		7,485		7,383,279
4.00%, 03/03/24		4,770		4,859,581
4.25%, 10/21/25		7,938		8,004,600
4.75%, 10/21/45 (Call 04/21/45)		4,909		5,224,207
4.80%, 07/08/44 (Call 01/08/44)		5,876		6,303,890
5.15%, 05/22/45		6,405		6,930,979
5.25%, 07/27/21		5,087		5,418,520
5.38%, 03/15/20		9,575		10,028,376
5.75%, 01/24/22		10,239		11,117,916
5.95%, 01/15/27		2,981		3,356,278
6.00%, 06/15/20		8,972		9,562,627
6.13%, 02/15/33		6,907		8,317,064
6.25%, 02/01/41		9,527		12,083,475
6.45%, 05/01/36		1,950		2,392,260
6.75%, 10/01/37		15,658		19,778,872
(3 mo. LIBOR US + 0.821%)
2.88%, 10/31/22 (Call 10/31/21)^e		8,200		8,044,692
(3 mo. LIBOR US + 0.990%)
2.91%, 07/24/23 (Call 07/24/22)^e		3,100		3,016,765
(3 mo. LIBOR US + 1.053%)
2.91%, 06/05/23 (Call 06/05/22)^e		300		292,275


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.158%)
3.81%, 04/23/29 (Call 04/23/28)^e	$	1,363	$	1,330,452
(3 mo. LIBOR US + 1.201%)
3.27%, 09/29/25 (Call 09/29/24)^e		4,575		4,413,685
(3 mo. LIBOR US + 1.373%)
4.02%, 10/31/38 (Call 10/31/37)^e		6,035		5,825,284
(3 mo. LIBOR US + 1.510%)
3.69%, 06/05/28 (Call 06/05/27)^e		6,305		6,116,607
HSBC Bank USA N.A.
4.88%, 08/24/20		4,500		4,685,670
7.00%, 01/15/39		1,250		1,733,500
HSBC Bank USA N.A./New York NY
5.63%, 08/15/35		500		595,855
5.88%, 11/01/34		3,000		3,652,260
HSBC Holdings PLC
2.65%, 01/05/22		3,525		3,433,174
2.95%, 05/25/21		5,545		5,496,758
3.40%, 03/08/21		4,540		4,564,198
3.60%, 05/25/23		4,650		4,672,924
3.90%, 05/25/26		4,600		4,609,430
4.00%, 03/30/22		8,461		8,667,533
4.25%, 03/14/24		11,545		11,677,767
4.25%, 08/18/25		4,570		4,549,069
4.30%, 03/08/26		4,565		4,702,178
4.38%, 11/23/26		4,230		4,249,712
4.88%, 01/14/22		150		157,862
5.10%, 04/05/21		7,064		7,450,754
5.25%, 03/14/44		3,230		3,551,579
6.10%, 01/14/42		4,021		5,179,008
6.50%, 05/02/36		5,731		7,077,900
6.50%, 09/15/37		11,146		13,857,599
6.80%, 06/01/38		2,570		3,307,693
7.63%, 05/17/32		675		875,455
(3 mo. LIBOR US + 1.055%)
3.26%, 03/13/23 (Call 03/13/22)^e		4,980		4,943,696
(3 mo. LIBOR US + 1.546%)
4.04%, 03/13/28 (Call 03/13/27)^e		2,090		2,094,786


Security	Principal (000s)		Value
HSBC USA Inc.
2.25%, 06/23/19	$	2,350	$	2,335,477
2.35%, 03/05/20		6,410		6,335,580
2.38%, 11/13/19		2,370		2,352,035
2.75%, 08/07/20		7,885		7,840,765
3.50%, 06/23/24		8,500		8,479,940
5.00%, 09/27/20		3,030		3,163,199
Huntington Bancshares Inc./OH
2.30%, 01/14/22 (Call 12/14/21)		2,094		2,016,187
3.15%, 03/14/21 (Call 02/14/21)		2,520		2,522,873
Huntington National Bank (The)
2.20%, 04/01/19 (Call 03/01/19)		4,750		4,722,307
2.38%, 03/10/20 (Call 02/10/20)		950		941,289
2.40%, 04/01/20 (Call 03/01/20)		750		741,773
2.50%, 08/07/22 (Call 07/07/22)		3,050		2,949,563
2.88%, 08/20/20 (Call 07/20/20)		1,250		1,246,325
Industrial & Commercial Bank of China Ltd./New York
2.45%, 10/20/21		5,000		4,845,550
3.23%, 11/13/19		7,000		7,010,710
ING Groep NV
3.15%, 03/29/22		2,325		2,300,309
3.95%, 03/29/27		6,500		6,506,110
Intesa Sanpaolo SpA
5.25%, 01/12/24		2,387		2,545,592
JPMorgan Chase & Co.
1.63%, 05/15/18		2,435		2,431,518
1.85%, 03/22/19 (Call 02/22/19)		3,700		3,675,432
2.20%, 10/22/19		7,943		7,876,517
2.25%, 01/23/20 (Call 12/23/19)		10,057		9,957,737
2.30%, 08/15/21 (Call 08/15/20)		5,340		5,200,893
2.40%, 06/07/21 (Call 05/07/21)		975		955,900


Security	Principal (000s)		Value
2.55%, 10/29/20 (Call 09/29/20)	$	7,050	$	6,982,954
2.55%, 03/01/21 (Call 02/01/21)		4,385		4,328,346
2.70%, 05/18/23 (Call 03/18/23)		3,605		3,498,148
2.75%, 06/23/20 (Call 05/23/20)		12,990		12,951,550
2.95%, 10/01/26 (Call 07/01/26)		6,535		6,151,003
2.97%, 01/15/23 (Call 01/15/22)		5,965		5,870,693
3.13%, 01/23/25 (Call 10/23/24)		4,008		3,891,928
3.20%, 01/25/23		6,945		6,918,123
3.20%, 06/15/26 (Call 03/15/26)		1,356		1,303,048
3.25%, 09/23/22		8,380		8,375,307
3.30%, 04/01/26 (Call 01/01/26)		12,264		11,891,910
3.38%, 05/01/23		3,095		3,074,573
3.63%, 05/13/24		4,225		4,247,435
3.63%, 12/01/27 (Call 12/01/26)		4,431		4,279,415
3.88%, 02/01/24		6,350		6,485,572
3.88%, 09/10/24		7,635		7,697,149
3.90%, 07/15/25 (Call 04/15/25)		5,769		5,855,823
4.13%, 12/15/26		5,569		5,636,663
4.25%, 10/15/20		12,730		13,160,910
4.25%, 10/01/27		10,770		10,971,722
4.35%, 08/15/21		5,890		6,130,783
4.40%, 07/22/20		7,220		7,472,195
4.50%, 01/24/22		15,937		16,694,167
4.63%, 05/10/21		6,708		7,034,143
4.85%, 02/01/44		11,425		12,644,619
4.95%, 03/25/20		1,450		1,510,741
4.95%, 06/01/45		5,335		5,759,506
5.40%, 01/06/42		2,842		3,365,638
5.50%, 10/15/40		5,511		6,562,719
5.60%, 07/15/41		3,265		3,951,172
5.63%, 08/16/43		6,071		7,128,386
6.30%, 04/23/19		18,666		19,424,586
6.40%, 05/15/38		1,950		2,549,801


Security	Principal (000s)		Value
(3 mo. LIBOR US + 0.935%)
2.78%, 04/25/23 (Call 04/25/22)^e	$	2,030	$	1,986,802
(3 mo. LIBOR US + 0.945%)
3.51%, 01/23/29 (Call 01/23/28)^e		3,360		3,256,512
(3 mo. LIBOR US + 1.155%)
3.22%, 03/01/25 (Call 03/01/24)^e		450		441,518
(3 mo. LIBOR US + 1.220%)
3.90%, 01/23/49 (Call 01/23/48)^e		335		315,359
(3 mo. LIBOR US + 1.337%)
3.78%, 02/01/28 (Call 02/01/27)^e		6,150		6,125,707
(3 mo. LIBOR US + 1.360%)
3.88%, 07/24/38 (Call 07/24/37)^e		2,675		2,585,067
(3 mo. LIBOR US + 1.380%)
3.54%, 05/01/28 (Call 05/01/27)^e		2,800		2,730,840
3.96%, 11/15/48 (Call 11/15/47)^e		5,000		4,756,650
(3 mo. LIBOR US + 1.460%)
4.03%, 07/24/48 (Call 07/24/47)^e		3,140		3,036,066
(3 mo. LIBOR US + 1.580%)
4.26%, 02/22/48 (Call 02/22/47)^e		950		949,069
JPMorgan Chase Bank N.A.
1.65%, 09/23/19 (Call 08/23/19)		2,460		2,424,035
(3 mo. LIBOR US + 0.280%)
2.60%, 02/01/21 (Call 02/01/20)^e		3,000		2,989,920
KeyBank N.A./Cleveland OH
1.60%, 08/22/19		825		811,594
2.25%, 03/16/20		2,622		2,591,480
2.30%, 09/14/22		1,850		1,778,109
2.35%, 03/08/19		2,500		2,493,500
2.40%, 06/09/22		2,000		1,935,640
2.50%, 11/22/21		2,435		2,382,404


Security	Principal (000s)		Value
KeyCorp
2.90%, 09/15/20	$	2,412	$	2,406,501
5.10%, 03/24/21		3,185		3,371,928
KfW
0.00%, 04/18/36^f		4,500		2,493,810
0.00%, 06/29/37^f		2,050		1,086,316
1.00%, 07/15/19		10,065		9,887,252
1.25%, 09/30/19		19,700		19,363,918
1.50%, 09/09/19		1,050		1,036,539
1.50%, 04/20/20		11,390		11,153,999
1.50%, 06/15/21^d		15,400		14,841,904
1.63%, 05/29/20		12,660		12,415,915
1.63%, 03/15/21		18,300		17,764,359
1.75%, 10/15/19		1,050		1,039,763
1.75%, 03/31/20		7,800		7,687,446
1.75%, 09/15/21		100		96,891
1.88%, 04/01/19		17,550		17,477,167
1.88%, 06/30/20^d		17,125		16,876,002
1.88%, 11/30/20		2,050		2,012,403
1.88%, 12/15/20^d		5,475		5,369,606
2.00%, 11/30/21		5,000		4,876,000
2.00%, 09/29/22		1,950		1,882,823
2.00%, 10/04/22		3,250		3,136,705
2.00%, 05/02/25^d		32,240		30,225,967
2.13%, 03/07/22		8,835		8,627,466
2.13%, 06/15/22		8,300		8,083,951
2.13%, 01/17/23		15,245		14,755,178
2.38%, 08/25/21^d		4,050		4,009,783
2.38%, 12/29/22		13,500		13,219,740
2.50%, 11/20/24		20,750		20,161,322
2.63%, 01/25/22		7,800		7,769,736
2.75%, 09/08/20		14,703		14,777,691
2.75%, 10/01/20		2,500		2,512,300
2.88%, 04/03/28^d		9,460		9,327,938
4.00%, 01/27/20		6,875		7,074,856
4.88%, 06/17/19		6,120		6,319,940
Korea Development Bank (The)
1.38%, 09/12/19		200		195,392
2.50%, 03/11/20		3,750		3,710,250
2.75%, 03/19/23		2,000		1,934,060
3.00%, 03/17/19		500		500,955
3.00%, 09/14/22		530		521,101
3.00%, 01/13/26		3,750		3,577,200


Security	Principal (000s)		Value
3.38%, 09/16/25	$	1,500	$	1,471,575
3.75%, 01/22/24		1,350		1,365,876
4.63%, 11/16/21		4,000		4,193,000
Landwirtschaftliche Rentenbank
1.38%, 10/23/19		620		610,167
1.75%, 07/27/26		6,550		5,928,274
2.00%, 01/13/25		5,483		5,152,704
2.25%, 10/01/21		750		739,028
2.38%, 06/10/25		6,275		6,026,259
Series 36
2.00%, 12/06/21		5,750		5,606,882
Series 37
2.50%, 11/15/27		1,110		1,058,429
Lloyds Bank PLC
2.70%, 08/17/20		3,400		3,372,664
6.38%, 01/21/21		388		423,603
Lloyds Banking Group PLC
3.00%, 01/11/22		6,800		6,699,292
3.10%, 07/06/21		3,072		3,051,663
3.75%, 01/11/27		4,425		4,311,631
4.34%, 01/09/48		6,385		6,063,898
4.50%, 11/04/24		9,055		9,205,675
4.58%, 12/10/25		400		404,476
4.65%, 03/24/26		5,771		5,856,988
5.30%, 12/01/45		1,675		1,838,045
(3 mo. LIBOR US + 0.810%)
2.91%, 11/07/23 (Call 11/07/22)^e		2,000		1,935,200
Manufacturers & Traders Trust Co.
2.05%, 08/17/20 (Call 07/17/20)		1,010		989,729
2.10%, 02/06/20 (Call 01/06/20)		5,000		4,936,900
2.25%, 07/25/19 (Call 06/25/19)		3,300		3,279,969
2.50%, 05/18/22 (Call 04/18/22)		2,000		1,951,680
2.63%, 01/25/21 (Call 12/25/20)		1,750		1,733,638
2.90%, 02/06/25 (Call 01/06/25)		1,250		1,207,400
3.40%, 08/17/27		1,200		1,169,232


Security	Principal (000s)		Value
Mitsubishi UFJ Financial Group Inc.
2.19%, 09/13/21	$	2,000	$	1,935,040
2.53%, 09/13/23		780		743,434
2.67%, 07/25/22		2,606		2,533,501
2.76%, 09/13/26		1,700		1,571,463
2.95%, 03/01/21		7,900		7,873,456
3.00%, 02/22/22		555		548,784
3.29%, 07/25/27		2,200		2,107,204
3.46%, 03/02/23		1,000		998,620
3.68%, 02/22/27		1,750		1,731,940
3.78%, 03/02/25		1,000		1,001,160
3.85%, 03/01/26		11,490		11,529,296
3.96%, 03/02/28		1,000		1,004,470
Mizuho Financial Group Inc.
2.27%, 09/13/21		2,200		2,126,652
2.60%, 09/11/22		2,500		2,415,400
2.84%, 09/13/26		1,310		1,217,304
2.95%, 02/28/22		2,520		2,476,631
3.17%, 09/11/27		2,500		2,366,200
3.55%, 03/05/23		2,000		2,000,000
3.66%, 02/28/27		2,270		2,239,264
4.02%, 03/05/28		2,000		2,000,000
Morgan Stanley
2.38%, 07/23/19		7,096		7,061,726
2.50%, 04/21/21		10,149		9,971,697
2.63%, 11/17/21		7,790		7,624,540
2.65%, 01/27/20		7,243		7,214,173
2.75%, 05/19/22		6,600		6,453,744
2.80%, 06/16/20		11,125		11,097,187
3.13%, 01/23/23		5,100		5,024,622
3.13%, 07/27/26		9,235		8,767,709
3.63%, 01/20/27		5,830		5,713,050
3.70%, 10/23/24		6,272		6,280,844
3.75%, 02/25/23		4,517		4,584,348
3.88%, 01/27/26		5,444		5,456,630
3.95%, 04/23/27		7,330		7,210,448
4.00%, 07/23/25		6,999		7,104,195
4.10%, 05/22/23		5,890		5,996,197
4.30%, 01/27/45		5,695		5,695,000
4.35%, 09/08/26		5,493		5,587,809
4.38%, 01/22/47		5,530		5,603,770
4.88%, 11/01/22		12,331		13,015,617
5.00%, 11/24/25		3,855		4,113,979


Security	Principal (000s)		Value
5.50%, 01/26/20	$	3,950	$	4,134,425
5.50%, 07/24/20		8,590		9,071,298
5.50%, 07/28/21		4,242		4,552,387
5.63%, 09/23/19		9,250		9,639,425
5.75%, 01/25/21		5,085		5,451,527
6.25%, 08/09/26		2,501		2,895,733
6.38%, 07/24/42		9,479		12,334,644
7.25%, 04/01/32		1,735		2,299,777
7.30%, 05/13/19		5,865		6,171,739
(3 mo. LIBOR US + 1.140%)
3.77%, 01/24/29 (Call 01/24/28)^e		4,165		4,076,994
(3 mo. LIBOR US + 1.340%)
3.59%, 07/22/28 (Call 07/22/27)^e		4,105		3,965,307
(3 mo. LIBOR US + 1.455%)
3.97%, 07/22/38 (Call 07/22/37)^e		3,830		3,730,152
Series F
3.88%, 04/29/24		14,450		14,624,267
MUFG Americas Holdings Corp.
2.25%, 02/10/20 (Call 01/10/20)		563		555,287
3.00%, 02/10/25 (Call 01/10/25)		3,475		3,358,275
National Australia Bank Ltd./New York
1.38%, 07/12/19		1,500		1,473,525
1.88%, 07/12/21		365		350,772
2.25%, 01/10/20		2,000		1,979,960
2.50%, 01/12/21		2,695		2,657,243
2.50%, 05/22/22		5,850		5,675,202
2.50%, 07/12/26		3,850		3,520,170
2.63%, 07/23/20		3,500		3,476,655
2.63%, 01/14/21		1,600		1,581,712
2.80%, 01/10/22		2,000		1,972,900
2.88%, 04/12/23		250		244,340
3.00%, 01/20/23		2,850		2,807,164
3.38%, 01/14/26		1,110		1,087,445
National Bank of Canada
2.15%, 06/12/20 (Call 05/12/20)		1,000		985,210
2.20%, 11/02/20 (Call 10/02/20)		3,950		3,878,821


Security	Principal (000s)		Value
Northern Trust Corp.
2.38%, 08/02/22	$	1,700	$	1,655,987
3.38%, 08/23/21		1,949		1,982,152
3.45%, 11/04/20		250		254,888
3.95%, 10/30/25		2,750		2,827,742
Oesterreichische Kontrollbank AG
1.13%, 05/29/18		6,200		6,188,530
1.13%, 04/26/19		30		29,589
1.38%, 02/10/20		7,415		7,263,660
1.50%, 10/21/20		7,820		7,602,135
1.75%, 01/24/20		1,130		1,115,423
1.88%, 01/20/21		750		734,445
2.38%, 10/01/21		3,600		3,558,636
PNC Bank N.A.
2.15%, 04/29/21 (Call 03/30/21)^g		3,190		3,105,465
2.25%, 07/02/19 (Call 06/02/19)^g		3,900		3,874,338
2.30%, 06/01/20 (Call 05/02/20)^g		2,500		2,471,350
2.40%, 10/18/19 (Call 09/18/19)^g		1,250		1,242,363
2.45%, 11/05/20 (Call 10/06/20)^g		2,800		2,764,440
2.45%, 07/28/22 (Call 06/28/22)^g		350		338,888
2.50%, 01/22/21 (Call 12/23/20)^g		250		246,598
2.55%, 12/09/21 (Call 11/09/21)^g		250		245,118
2.60%, 07/21/20 (Call 06/21/20)^g		350		347,333
2.70%, 11/01/22 (Call 10/01/22)^g		5,360		5,209,438
2.95%, 01/30/23 (Call 12/30/22)^g		1,500		1,469,190
2.95%, 02/23/25 (Call 01/24/25)^g		250		241,758
3.10%, 10/25/27 (Call 09/25/27)^g		700		668,885
3.25%, 06/01/25 (Call 05/02/25)^g		750		737,865


Security	Principal (000s)		Value
3.25%, 01/22/28 (Call 12/23/27)^g	$	795	$	768,447
3.30%, 10/30/24 (Call 09/30/24)^g		1,500		1,489,455
3.80%, 07/25/23 (Call 06/25/23)^g		7,100		7,219,990
4.20%, 11/01/25 (Call 10/02/25)^g		6,000		6,206,580
PNC Financial Services Group Inc. (The)
3.15%, 05/19/27 (Call 04/19/27)^g		706		678,868
3.90%, 04/29/24 (Call 03/29/24)^g		2,835		2,891,898
4.38%, 08/11/20^g		2,762		2,854,969
6.70%, 06/10/19^g		1,163		1,220,952
6.88%, 05/15/19^g		225		235,667
RBC USA Holdco Corp.
5.25%, 09/15/20		4,775		5,046,554
Regions Bank/Birmingham AL
6.45%, 06/26/37		1,540		1,866,403
Regions Financial Corp.
2.75%, 08/14/22 (Call 07/14/22)		2,625		2,560,425
3.20%, 02/08/21 (Call 01/08/21)		1,750		1,755,530
7.38%, 12/10/37		1,800		2,366,676
Royal Bank of Canada
1.50%, 07/29/19		5,650		5,562,707
1.63%, 04/15/19		2,650		2,622,149
2.13%, 03/02/20		5,165		5,098,836
2.15%, 03/15/19		1,400		1,394,316
2.15%, 03/06/20		5,200		5,133,856
2.15%, 10/26/20		7,960		7,811,944
2.35%, 10/30/20		1,453		1,435,535
2.50%, 01/19/21		3,170		3,135,003
2.75%, 02/01/22		4,740		4,685,016
4.65%, 01/27/26		1,700		1,763,342
Royal Bank of Scotland Group PLC
3.88%, 09/12/23		6,500		6,461,455
4.80%, 04/05/26		4,850		5,028,140
6.40%, 10/21/19		450		473,495


Security	Principal (000s)		Value
(3 mo. LIBOR US + 1.480%)
3.50%, 05/15/23 (Call 05/15/22)^d,e	$	325	$	320,171
Royal Bank of Scotland PLC (The)
5.63%, 08/24/20		600		636,162
Santander Holdings USA Inc.
2.65%, 04/17/20 (Call 03/17/20)		2,300		2,281,439
2.70%, 05/24/19 (Call 04/24/19)		1,378		1,374,417
3.40%, 01/18/23 (Call 12/18/22)^c		1,050		1,025,976
3.70%, 03/28/22 (Call 02/28/22)^c		2,325		2,323,373
4.40%, 07/13/27 (Call 06/13/27)^c		2,140		2,132,360
4.50%, 07/17/25 (Call 04/17/25)		3,395		3,444,329
Santander UK Group Holdings PLC
2.88%, 10/16/20		2,525		2,506,239
2.88%, 08/05/21		3,450		3,386,106
3.13%, 01/08/21		4,860		4,837,450
3.57%, 01/10/23 (Call 01/10/22)		2,420		2,401,245
(3 mo. LIBOR US + 0.297%)
3.37%, 01/05/24 (Call 01/05/23)^e		200		196,452
(3 mo. LIBOR US + 1.400%)
3.82%, 11/03/28 (Call 11/03/27)^e		2,000		1,906,860
Santander UK PLC
2.13%, 11/03/20		200		195,396
2.35%, 09/10/19		1,280		1,270,285
2.38%, 03/16/20		4,051		4,000,727
2.50%, 03/14/19		3,250		3,246,067
2.50%, 01/05/21		2,975		2,934,421
4.00%, 03/13/24		4,126		4,203,981
Shinhan Bank Co. Ltd.
3.88%, 03/24/26^c		300		293,223


Security	Principal (000s)		Value
Skandinaviska Enskilda Banken AB
1.50%, 09/13/19	$	1,750	$	1,718,518
1.88%, 09/13/21		2,500		2,393,725
2.30%, 03/11/20		3,000		2,966,490
2.63%, 03/15/21		2,100		2,069,676
2.80%, 03/11/22		2,750		2,704,790
State Street Corp.
1.95%, 05/19/21		676		655,396
2.55%, 08/18/20		2,605		2,588,693
2.65%, 05/19/26		3,025		2,823,474
3.10%, 05/15/23		3,466		3,416,263
3.30%, 12/16/24		4,195		4,178,388
3.55%, 08/18/25		4,060		4,073,276
3.70%, 11/20/23		2,730		2,800,570
4.38%, 03/07/21		1,650		1,720,637
(3 mo. LIBOR US + 0.635%)
2.65%, 05/15/23 (Call 05/15/22)^e		700		685,580
Sumitomo Mitsui Banking Corp.
2.25%, 07/11/19		6,250		6,206,562
2.45%, 01/16/20		11,000		10,908,920
2.45%, 10/20/20		1,000		988,060
2.51%, 01/17/20		3,000		2,980,860
2.65%, 07/23/20		2,250		2,232,765
3.65%, 07/23/25		3,000		3,012,240
3.95%, 01/10/24		3,000		3,081,780
Sumitomo Mitsui Financial Group Inc.
2.06%, 07/14/21		4,635		4,470,921
2.44%, 10/19/21		3,000		2,923,440
2.63%, 07/14/26		2,950		2,703,528
2.78%, 07/12/22		10,099		9,862,885
2.78%, 10/18/22		2,100		2,044,329
2.85%, 01/11/22		2,145		2,109,972
2.93%, 03/09/21		10,350		10,300,216
3.01%, 10/19/26		1,870		1,761,727
3.10%, 01/17/23		3,000		2,958,210
3.35%, 10/18/27^d		2,000		1,926,380
3.54%, 01/17/28		3,000		2,927,940
3.78%, 03/09/26		4,285		4,278,572
SunTrust Bank/Atlanta GA
2.25%, 01/31/20 (Call 12/31/19)		1,879		1,859,308


Security	Principal (000s)		Value
2.45%, 08/01/22 (Call 07/01/22)	$	3,000	$	2,903,640
3.00%, 02/02/23 (Call 01/02/23)		530		522,373
3.30%, 05/15/26 (Call 04/15/26)		1,000		959,810
(3 mo. LIBOR US + 0.480%)
2.59%, 01/29/21 (Call 01/29/20)^e		2,000		1,991,100
SunTrust Banks Inc.
2.50%, 05/01/19 (Call 04/01/19)		120		119,682
2.70%, 01/27/22 (Call 12/27/21)		4,139		4,058,869
2.90%, 03/03/21 (Call 02/03/21)		5,015		4,994,438
SVB Financial Group
3.50%, 01/29/25		1,975		1,923,354
Svenska Handelsbanken AB
1.50%, 09/06/19		1,250		1,227,500
1.88%, 09/07/21		2,250		2,152,350
2.25%, 06/17/19		1,750		1,741,548
2.40%, 10/01/20		7,250		7,148,935
2.45%, 03/30/21		2,910		2,852,935
Synchrony Bank
3.00%, 06/15/22 (Call 05/15/22)		500		488,725
Synovus Financial Corp.
3.13%, 11/01/22 (Call 10/01/22)		3,048		2,971,038
Toronto-Dominion Bank (The)
1.45%, 08/13/19		1,970		1,936,037
1.80%, 07/13/21		5,063		4,875,922
1.85%, 09/11/20		2,155		2,105,931
1.90%, 10/24/19		5,200		5,137,704
2.13%, 07/02/19		4,469		4,442,588
2.13%, 04/07/21		1,802		1,758,626
2.25%, 11/05/19		5,440		5,402,301
2.50%, 12/14/20		4,645		4,601,755
2.55%, 01/25/21		4,000		3,963,320
(5 year USD Swap + 2.205%)
3.63%, 09/15/31 (Call 09/15/26)^e		2,050		1,969,230


Security	Principal (000s)		Value
U.S. Bancorp.
2.20%, 04/25/19 (Call 03/25/19)	$	3,851	$	3,835,018
2.35%, 01/29/21 (Call 12/29/20)		5,560		5,475,988
2.63%, 01/24/22 (Call 12/23/21)		2,810		2,765,630
2.95%, 07/15/22 (Call 06/15/22)		3,651		3,612,628
3.00%, 03/15/22 (Call 02/15/22)		5,100		5,099,031
3.10%, 04/27/26 (Call 03/27/26)		495		473,274
3.70%, 01/30/24 (Call 12/29/23)		2,550		2,611,532
4.13%, 05/24/21 (Call 04/23/21)		2,049		2,122,334
Series F
3.60%, 09/11/24 (Call 08/11/24)		3,440		3,477,186
Series V
2.38%, 07/22/26 (Call 06/22/26)		435		396,072
Series X
3.15%, 04/27/27 (Call 03/27/27)		3,320		3,195,268
U.S. Bank N.A./Cincinnati OH
2.05%, 10/23/20 (Call 09/23/20)		3,000		2,942,790
2.13%, 10/28/19 (Call 09/28/19)		9,261		9,179,040
2.35%, 01/23/20 (Call 12/23/19)		250		248,435
2.80%, 01/27/25 (Call 12/27/24)		1,600		1,535,008
UBS AG/Stamford CT
2.35%, 03/26/20		2,790		2,758,055
2.38%, 08/14/19		16,000		15,924,480
4.88%, 08/04/20		4,750		4,959,427
Wells Fargo & Co.
2.10%, 07/26/21		9,479		9,157,757
2.13%, 04/22/19		7,050		7,008,898
2.50%, 03/04/21		13,405		13,167,866


Security	Principal (000s)		Value
2.55%, 12/07/20	$	1,760	$	1,736,944
2.60%, 07/22/20		2,490		2,469,956
2.63%, 07/22/22		7,543		7,321,538
3.00%, 01/22/21		4,314		4,305,027
3.00%, 02/19/25		5,740		5,516,829
3.00%, 04/22/26		3,905		3,696,161
3.00%, 10/23/26		2,790		2,634,430
3.07%, 01/24/23 (Call 01/24/22)		6,460		6,367,299
3.30%, 09/09/24		6,590		6,497,279
3.50%, 03/08/22		10,522		10,602,072
3.55%, 09/29/25		13,254		13,130,473
3.90%, 05/01/45		7,632		7,348,471
4.10%, 06/03/26		7,588		7,600,520
4.13%, 08/15/23		8,245		8,435,707
4.30%, 07/22/27		13,216		13,391,508
4.40%, 06/14/46		4,939		4,857,111
4.48%, 01/16/24		2,189		2,283,893
4.60%, 04/01/21		9,670		10,094,706
4.65%, 11/04/44		5,738		5,869,859
4.75%, 12/07/46		3,166		3,278,045
4.90%, 11/17/45		6,099		6,463,232
5.38%, 02/07/35		272		315,653
5.38%, 11/02/43		4,378		4,911,634
5.50%, 08/01/35		5,215		5,907,604
5.61%, 01/15/44		10,365		11,991,683
6.55%, 10/15/35		100		119,498
7.50%, 04/15/35		50		65,596
7.57%, 08/01/26^b		7,700		9,488,094
(3 mo. LIBOR US + 1.310%)
3.58%, 05/22/28 (Call 05/22/27)^e		7,580		7,401,112
Series M
3.45%, 02/13/23		2,705		2,685,849
Series N
2.15%, 01/30/20		4,846		4,777,671
Wells Fargo Bank N.A.
1.75%, 05/24/19		3,975		3,937,913
2.15%, 12/06/19		4,000		3,956,360
2.40%, 01/15/20		1,000		991,740
2.60%, 01/15/21		1,250		1,233,863
5.85%, 02/01/37		525		635,891
5.95%, 08/26/36		1,283		1,568,570
Wells Fargo Capital X
5.95%, 12/01/86		6,961		7,636,217


Security	Principal (000s)		Value
Westpac Banking Corp.
1.55%, 05/25/18	$	3,100	$	3,095,536
1.60%, 08/19/19		1,820		1,791,353
1.65%, 05/13/19		1,265		1,250,528
2.00%, 08/19/21		1,500		1,448,580
2.10%, 05/13/21		3,205		3,112,055
2.15%, 03/06/20		4,000		3,946,400
2.30%, 05/26/20		3,075		3,036,255
2.50%, 06/28/22		2,750		2,669,150
2.60%, 11/23/20		3,326		3,295,600
2.65%, 01/25/21		3,176		3,144,748
2.70%, 08/19/26		2,600		2,412,176
2.75%, 01/11/23		250		243,370
2.80%, 01/11/22		2,500		2,468,525
2.85%, 05/13/26		2,550		2,399,601
3.35%, 03/08/27		6,173		5,990,835
3.40%, 01/25/28		3,270		3,173,012
4.88%, 11/19/19		2,440		2,525,083
(5 year USD ICE Swap + 2.236%)
4.32%, 11/23/31 (Call 11/23/26)^e		4,450		4,441,545

				3,394,801,349
BEVERAGES — 0.69%
Anheuser-Busch InBev Finance Inc.
2.63%, 01/17/23		3,373		3,276,431
2.65%, 02/01/21 (Call 01/01/21)		35,757		35,427,320
3.30%, 02/01/23 (Call 12/01/22)		15,655		15,591,597
3.65%, 02/01/26 (Call 11/01/25)		29,252		28,953,630
3.70%, 02/01/24		2,328		2,366,901
4.00%, 01/17/43		713		676,124
4.63%, 02/01/44		8,744		8,996,702
4.70%, 02/01/36 (Call 08/01/35)		17,565		18,461,166
4.90%, 02/01/46 (Call 08/01/45)		29,777		31,763,126
Anheuser-Busch InBev Worldwide Inc.
2.50%, 07/15/22		6,924		6,734,421
3.75%, 01/15/22		4,165		4,252,923
3.75%, 07/15/42		3,040		2,767,282


Security	Principal (000s)		Value
4.38%, 02/15/21	$	4,335	$	4,511,044
4.44%, 10/06/48 (Call 04/06/48)		1,384		1,388,152
5.00%, 04/15/20		202		211,098
5.38%, 01/15/20		4,583		4,795,789
6.88%, 11/15/19		775		827,661
8.00%, 11/15/39		2,025		3,005,566
8.20%, 01/15/39		1,710		2,566,642
Beam Suntory Inc.
3.25%, 05/15/22 (Call 02/15/22)		4,950		4,928,913
Brown-Forman Corp.
2.25%, 01/15/23 (Call 10/15/22)		1,500		1,438,125
3.75%, 01/15/43 (Call 07/15/42)		295		276,091
4.50%, 07/15/45 (Call 01/15/45)		1,046		1,114,994
Coca-Cola Bottling Co. Consolidated
3.80%, 11/25/25 (Call 08/25/25)		3,075		3,036,532
Coca-Cola Co. (The)
1.38%, 05/30/19		3,950		3,901,494
1.55%, 09/01/21		2,250		2,160,292
1.88%, 10/27/20		4,706		4,614,892
2.20%, 05/25/22		3,045		2,963,759
2.25%, 09/01/26		1,200		1,108,812
2.45%, 11/01/20		4,415		4,400,784
2.50%, 04/01/23		749		730,620
2.55%, 06/01/26		2,475		2,341,696
2.88%, 10/27/25		4,022		3,910,832
2.90%, 05/25/27		3,000		2,897,640
3.15%, 11/15/20		4,172		4,221,897
3.20%, 11/01/23		4,196		4,246,646
3.30%, 09/01/21		2,775		2,816,375
Coca-Cola European Partners U.S. LLC
3.25%, 08/19/21 (Call 05/19/21)		1,000		1,004,480
4.50%, 09/01/21 (Call 06/01/21)		1,784		1,854,664
Coca-Cola FEMSA SAB de CV
2.38%, 11/26/18		2,288		2,285,849


Security	Principal (000s)		Value
5.25%, 11/26/43	$	1,250	$	1,429,950
Constellation Brands Inc.
2.65%, 11/07/22 (Call 10/07/22)		2,000		1,935,700
2.70%, 05/09/22 (Call 04/09/22)		25		24,406
3.20%, 02/15/23 (Call 01/15/23)		2,680		2,651,163
3.50%, 05/09/27 (Call 02/09/27)		750		725,753
3.60%, 02/15/28 (Call 11/15/27)		2,305		2,232,946
3.70%, 12/06/26 (Call 09/06/26)		7,360		7,267,117
4.10%, 02/15/48 (Call 08/15/47)		365		338,319
4.25%, 05/01/23		2,736		2,834,332
4.50%, 05/09/47 (Call 11/09/46)		1,835		1,827,862
Diageo Capital PLC
2.63%, 04/29/23 (Call 01/29/23)		3,398		3,297,011
3.88%, 04/29/43 (Call 10/29/42)		1,180		1,173,203
4.83%, 07/15/20		1,425		1,491,077
5.88%, 09/30/36		1,315		1,660,819
Diageo Investment Corp.
2.88%, 05/11/22		675		669,654
4.25%, 05/11/42		1,962		2,056,137
7.45%, 04/15/35		775		1,115,636
Dr Pepper Snapple Group Inc.
2.53%, 11/15/21 (Call 10/15/21)		850		828,911
2.55%, 09/15/26 (Call 06/15/26)		2,530		2,264,881
3.13%, 12/15/23 (Call 10/15/23)		1,500		1,465,140
3.20%, 11/15/21 (Call 08/15/21)		2,000		1,993,980
3.40%, 11/15/25 (Call 08/15/25)		1,200		1,159,236
3.43%, 06/15/27 (Call 03/15/27)		1,450		1,374,585


Security	Principal (000s)		Value
4.42%, 12/15/46 (Call 06/15/46)	$	1,485	$	1,438,371
4.50%, 11/15/45 (Call 05/15/45)^c		1,835		1,800,961
4.50%, 11/15/45 (Call 05/15/45)		425		420,878
Molson Coors Brewing Co.
1.45%, 07/15/19		2,805		2,756,221
1.90%, 03/15/19		850		843,004
2.10%, 07/15/21 (Call 06/15/21)		1,764		1,699,579
2.25%, 03/15/20 (Call 02/15/20)		1,290		1,272,856
3.00%, 07/15/26 (Call 04/15/26)		5,935		5,547,444
3.50%, 05/01/22		3,375		3,388,871
4.20%, 07/15/46 (Call 01/15/46)		3,765		3,526,638
5.00%, 05/01/42		3,520		3,727,856
Pepsi-Cola Metropolitan Bottling Co. Inc.
5.50%, 05/15/35		25		29,554
Series B
7.00%, 03/01/29		6,031		7,892,227
PepsiCo Inc.
1.35%, 10/04/19		500		491,245
1.55%, 05/02/19		1,566		1,550,872
1.85%, 04/30/20 (Call 03/30/20)		1,475		1,453,848
2.15%, 10/14/20 (Call 09/14/20)		2,450		2,416,190
2.25%, 05/02/22 (Call 04/02/22)		2,625		2,551,211
2.38%, 10/06/26 (Call 07/06/26)		3,558		3,275,957
2.75%, 03/05/22		3,797		3,765,713
2.75%, 03/01/23		2,703		2,672,267
2.75%, 04/30/25 (Call 01/30/25)		4,160		4,018,102
2.85%, 02/24/26 (Call 11/24/25)		1,385		1,327,841
3.00%, 08/25/21		4,300		4,326,789
3.00%, 10/15/27 (Call 07/15/27)		3,200		3,075,520


Security	Principal (000s)		Value
3.10%, 07/17/22 (Call 05/17/22)	$	1,945	$	1,955,328
3.13%, 11/01/20		1,650		1,666,879
3.45%, 10/06/46 (Call 04/06/46)		4,749		4,314,324
3.50%, 07/17/25 (Call 04/17/25)		1,180		1,188,378
3.60%, 03/01/24 (Call 12/01/23)		9,286		9,467,820
3.60%, 08/13/42		442		415,776
4.00%, 03/05/42		1,543		1,555,637
4.00%, 05/02/47 (Call 11/02/46)		2,570		2,582,439
4.25%, 10/22/44 (Call 04/22/44)		405		422,346
4.45%, 04/14/46 (Call 10/14/45)		4,195		4,502,116
4.50%, 01/15/20		2,755		2,848,560
4.60%, 07/17/45 (Call 01/17/45)		2,064		2,253,785
4.88%, 11/01/40		730		830,156
5.50%, 01/15/40		597		733,379

				374,653,718
BIOTECHNOLOGY — 0.39%
Amgen Inc.
1.85%, 08/19/21 (Call 07/19/21)		2,218		2,126,862
1.90%, 05/10/19		1,600		1,587,952
2.13%, 05/01/20 (Call 04/01/20)		585		575,921
2.20%, 05/22/19 (Call 04/22/19)		3,709		3,690,678
2.20%, 05/11/20		3,760		3,706,533
2.25%, 08/19/23 (Call 06/19/23)		1,800		1,700,154
2.60%, 08/19/26 (Call 05/19/26)		4,620		4,230,164
2.65%, 05/11/22 (Call 04/11/22)		2,125		2,076,231
2.70%, 05/01/22 (Call 03/01/22)		500		490,015
3.13%, 05/01/25 (Call 02/01/25)		2,425		2,347,861


Security	Principal (000s)		Value
3.20%, 11/02/27 (Call 08/02/27)	$	1,235	$	1,174,176
3.45%, 10/01/20		1,280		1,297,907
3.63%, 05/15/22 (Call 02/15/22)		6,900		6,994,944
3.63%, 05/22/24 (Call 02/22/24)		5,014		5,045,889
3.88%, 11/15/21 (Call 08/15/21)		635		650,183
4.10%, 06/15/21 (Call 03/15/21)		2,163		2,229,880
4.40%, 05/01/45 (Call 11/01/44)		6,025		5,979,150
4.50%, 03/15/20		250		257,820
4.56%, 06/15/48 (Call 12/15/47)		4,518		4,544,069
4.66%, 06/15/51 (Call 12/15/50)		17,267		17,521,516
4.95%, 10/01/41		280		302,887
5.15%, 11/15/41 (Call 05/15/41)		75		83,418
6.38%, 06/01/37		200		248,586
Baxalta Inc.
2.88%, 06/23/20 (Call 05/23/20)		4,090		4,066,278
3.60%, 06/23/22 (Call 04/23/22)		540		541,604
4.00%, 06/23/25 (Call 03/23/25)		8,558		8,526,849
5.25%, 06/23/45 (Call 12/23/44)		3,708		4,012,019
Bio-Rad Laboratories Inc.
4.88%, 12/15/20		1,800		1,877,652
Biogen Inc.
2.90%, 09/15/20		3,466		3,462,257
3.63%, 09/15/22		2,725		2,757,836
4.05%, 09/15/25 (Call 06/15/25)		4,714		4,817,944
5.20%, 09/15/45 (Call 03/15/45)		6,280		6,831,321
Celgene Corp.
2.25%, 05/15/19		1,070		1,064,179
2.25%, 08/15/21^d		1,510		1,466,104


Security	Principal (000s)		Value
2.75%, 02/15/23 (Call 01/15/23)	$	900	$	872,649
2.88%, 08/15/20		1,175		1,172,203
2.88%, 02/19/21		1,000		995,020
3.25%, 08/15/22		7,000		6,963,880
3.25%, 02/20/23 (Call 01/20/23)		1,000		990,060
3.45%, 11/15/27 (Call 08/15/27)		70		66,547
3.55%, 08/15/22		2,634		2,648,592
3.63%, 05/15/24 (Call 02/15/24)		2,957		2,940,263
3.88%, 08/15/25 (Call 05/15/25)		4,506		4,493,744
3.90%, 02/20/28 (Call 11/20/27)		1,000		983,500
3.95%, 10/15/20		1,200		1,228,500
4.00%, 08/15/23		3,300		3,370,158
4.55%, 02/20/48 (Call 08/20/47)		1,500		1,456,710
4.63%, 05/15/44 (Call 11/15/43)		2,350		2,328,333
5.00%, 08/15/45 (Call 02/15/45)		9,838		10,172,295
5.25%, 08/15/43		375		404,460
Gilead Sciences Inc.
1.85%, 09/20/19		1,030		1,018,670
1.95%, 03/01/22 (Call 02/01/22)^d		1,880		1,797,957
2.05%, 04/01/19		1,450		1,442,924
2.35%, 02/01/20		2,070		2,056,462
2.50%, 09/01/23 (Call 07/01/23)		380		364,485
2.55%, 09/01/20		4,685		4,652,955
2.95%, 03/01/27 (Call 12/01/26)		3,800		3,578,156
3.25%, 09/01/22 (Call 07/01/22)		3,020		3,029,483
3.50%, 02/01/25 (Call 11/01/24)		2,265		2,255,419
3.65%, 03/01/26 (Call 12/01/25)		6,384		6,382,404
3.70%, 04/01/24 (Call 01/01/24)		2,397		2,434,609


Security	Principal (000s)		Value
4.15%, 03/01/47 (Call 09/01/46)	$	5,260	$	5,093,574
4.40%, 12/01/21 (Call 09/01/21)		50		52,293
4.50%, 04/01/21 (Call 01/01/21)		2,375		2,478,336
4.50%, 02/01/45 (Call 08/01/44)		8,147		8,287,617
4.60%, 09/01/35 (Call 03/01/35)		710		755,092
4.75%, 03/01/46 (Call 09/01/45)		6,370		6,728,695
4.80%, 04/01/44 (Call 10/01/43)		5,635		5,971,804
5.65%, 12/01/41 (Call 06/01/41)		3,740		4,410,133

				212,164,821
BUILDING MATERIALS — 0.06%
CRH America Inc.
5.75%, 01/15/21		1,150		1,231,363
Johnson Controls International PLC
3.75%, 12/01/21 (Call 09/01/21)		1,010		1,031,584
3.90%, 02/14/26 (Call 11/14/25)		657		665,521
4.25%, 03/01/21		3,200		3,305,376
4.50%, 02/15/47 (Call 08/15/46)		1,920		1,986,701
4.95%, 07/02/64 (Call 01/02/64)^b		1,149		1,200,119
5.00%, 03/30/20		1,375		1,435,417
5.13%, 09/14/45 (Call 03/14/45)		1,205		1,356,926
5.70%, 03/01/41		615		705,995
6.00%, 01/15/36		313		379,487
Lafarge SA
7.13%, 07/15/36		121		153,531
Lennox International Inc.
3.00%, 11/15/23 (Call 09/15/23)		1,230		1,198,008


Security	Principal (000s)		Value
Martin Marietta Materials Inc.
3.45%, 06/01/27 (Call 03/01/27)	$	500	$	478,785
3.50%, 12/15/27 (Call 09/15/27)		500		480,185
4.25%, 12/15/47 (Call 06/15/47)		1,165		1,082,075
Masco Corp.
3.50%, 11/15/27 (Call 08/15/27)		1,700		1,629,127
4.45%, 04/01/25 (Call 01/01/25)		825		852,662
4.50%, 05/15/47 (Call 11/15/46)		100		96,486
Owens Corning
3.40%, 08/15/26 (Call 05/15/26)		165		157,555
4.20%, 12/15/22 (Call 09/15/22)		3,050		3,131,679
4.20%, 12/01/24 (Call 09/01/24)		175		179,188
4.30%, 07/15/47 (Call 01/15/47)		1,000		920,050
4.40%, 01/30/48 (Call 07/30/47)		150		141,191
7.00%, 12/01/36		724		910,872
Vulcan Materials Co.
3.90%, 04/01/27 (Call 01/01/27)		2,700		2,683,098
4.50%, 04/01/25 (Call 01/01/25)		2,005		2,079,045
4.50%, 06/15/47 (Call 12/15/46)		1,090		1,051,054

				30,523,080
CHEMICALS — 0.44%
Agrium Inc.
3.15%, 10/01/22 (Call 07/01/22)		3,850		3,835,408
3.38%, 03/15/25 (Call 12/15/24)		1,915		1,865,095
3.50%, 06/01/23 (Call 03/01/23)		225		225,416


Security	Principal (000s)		Value
4.13%, 03/15/35 (Call 09/15/34)	$	930	$	904,750
4.90%, 06/01/43 (Call 12/01/42)		275		288,068
5.25%, 01/15/45 (Call 07/15/44)		1,925		2,092,667
6.13%, 01/15/41 (Call 07/15/40)		890		1,065,143
Air Products & Chemicals Inc.
3.00%, 11/03/21		1,125		1,125,630
3.35%, 07/31/24 (Call 04/30/24)		1,250		1,260,675
4.38%, 08/21/19		500		513,000
Airgas Inc.
2.38%, 02/15/20 (Call 01/15/20)		1,475		1,464,424
2.90%, 11/15/22 (Call 08/15/22)		1,450		1,430,497
3.65%, 07/15/24 (Call 04/15/24)		135		137,461
Albemarle Corp.
4.15%, 12/01/24 (Call 09/01/24)		5,780		5,969,006
5.45%, 12/01/44 (Call 06/01/44)		150		168,038
Braskem Finance Ltd.
6.45%, 02/03/24		5,400		5,926,554
Cabot Corp.
3.40%, 09/15/26 (Call 06/15/26)		1,200		1,142,904
3.70%, 07/15/22		370		373,393
Celanese U.S. Holdings LLC
4.63%, 11/15/22		5,100		5,311,803
Dow Chemical Co. (The)
3.00%, 11/15/22 (Call 08/15/22)		6,921		6,824,660
3.50%, 10/01/24 (Call 07/01/24)		3,343		3,327,956
4.13%, 11/15/21 (Call 08/15/21)		5,137		5,311,761
4.25%, 11/15/20 (Call 08/15/20)		4,923		5,068,967
4.25%, 10/01/34 (Call 04/01/34)		4,525		4,554,910


Security	Principal (000s)		Value
4.38%, 11/15/42 (Call 05/15/42)	$	3,678	$	3,674,984
4.63%, 10/01/44 (Call 04/01/44)		3,165		3,261,944
5.25%, 11/15/41 (Call 05/15/41)		4,301		4,752,347
5.70%, 05/15/18		175		176,178
7.38%, 11/01/29		175		228,916
8.55%, 05/15/19		8,520		9,097,741
9.40%, 05/15/39		970		1,569,402
Eastman Chemical Co.
2.70%, 01/15/20 (Call 12/15/19)		1,650		1,647,525
3.60%, 08/15/22 (Call 05/15/22)		5,578		5,646,833
3.80%, 03/15/25 (Call 12/15/24)		768		780,557
4.65%, 10/15/44 (Call 04/15/44)		1,885		1,949,128
5.50%, 11/15/19		1,600		1,670,448
EI du Pont de Nemours & Co.
2.20%, 05/01/20		1,256		1,241,443
2.80%, 02/15/23		5,126		5,032,912
3.63%, 01/15/21		105		107,090
4.15%, 02/15/43		3,676		3,623,139
4.25%, 04/01/21		300		311,529
4.63%, 01/15/20		2,495		2,587,190
4.90%, 01/15/41		900		972,504
5.60%, 12/15/36		25		29,270
FMC Corp.
3.95%, 02/01/22 (Call 11/01/21)		450		458,501
4.10%, 02/01/24 (Call 11/01/23)		1,700		1,722,236
International Flavors & Fragrances Inc.
4.38%, 06/01/47 (Call 12/01/46)		2,150		2,139,916
Lubrizol Corp. (The)
6.50%, 10/01/34		55		70,833
LYB International Finance BV
4.00%, 07/15/23		4,450		4,549,457


Security	Principal (000s)		Value
4.88%, 03/15/44 (Call 09/15/43)	$	2,095	$	2,202,034
5.25%, 07/15/43		1,420		1,562,469
LYB International Finance II BV
3.50%, 03/02/27 (Call 12/02/26)		4,600		4,473,914
LyondellBasell Industries NV
4.63%, 02/26/55 (Call 08/26/54)		4,118		4,039,017
5.00%, 04/15/19 (Call 01/15/19)		494		503,396
5.75%, 04/15/24 (Call 01/15/24)		3,600		3,987,936
6.00%, 11/15/21 (Call 08/17/21)		5,550		6,032,350
Methanex Corp.
3.25%, 12/15/19		25		24,929
4.25%, 12/01/24 (Call 09/01/24)		250		249,190
5.25%, 03/01/22		550		576,510
5.65%, 12/01/44 (Call 06/01/44)		2,414		2,451,948
Monsanto Co.
2.13%, 07/15/19		6,430		6,376,952
2.75%, 07/15/21		350		345,888
3.38%, 07/15/24 (Call 04/15/24)		3,650		3,621,347
3.60%, 07/15/42 (Call 01/15/42)		1,385		1,200,310
3.95%, 04/15/45 (Call 10/15/44)		1,523		1,419,984
4.20%, 07/15/34 (Call 01/15/34)		1,099		1,094,054
4.40%, 07/15/44 (Call 01/15/44)		5,265		5,195,765
4.65%, 11/15/43 (Call 05/15/43)		240		246,782
4.70%, 07/15/64 (Call 01/15/64)		1,725		1,704,576
5.88%, 04/15/38		325		376,591
Mosaic Co. (The)
3.75%, 11/15/21 (Call 08/15/21)		2,530		2,553,504


Security	Principal (000s)		Value
4.05%, 11/15/27 (Call 08/15/27)	$	1,650	$	1,606,407
4.25%, 11/15/23 (Call 08/15/23)		4,835		4,972,943
5.45%, 11/15/33 (Call 05/15/33)		776		824,547
5.63%, 11/15/43 (Call 05/15/43)		2,113		2,209,120
Potash Corp. of Saskatchewan Inc.
3.00%, 04/01/25 (Call 01/01/25)		2,055		1,951,695
3.63%, 03/15/24 (Call 12/15/23)		2,196		2,200,107
4.00%, 12/15/26 (Call 09/15/26)		2,550		2,563,056
4.88%, 03/30/20		3,250		3,366,155
5.63%, 12/01/40		797		911,027
5.88%, 12/01/36		590		687,090
6.50%, 05/15/19		75		78,093
PPG Industries Inc.
2.30%, 11/15/19 (Call 10/15/19)		1,200		1,193,400
3.60%, 11/15/20		2,153		2,196,082
3.75%, 03/15/28 (Call 12/15/27)		1,000		1,001,770
5.50%, 11/15/40^d		35		40,968
Praxair Inc.
2.20%, 08/15/22 (Call 05/15/22)		1,700		1,644,563
2.25%, 09/24/20		1,400		1,385,748
2.45%, 02/15/22 (Call 11/15/21)		1,738		1,705,048
2.65%, 02/05/25 (Call 11/05/24)		3,550		3,413,218
2.70%, 02/21/23 (Call 11/21/22)		1,100		1,080,827
3.00%, 09/01/21		250		250,898
3.20%, 01/30/26 (Call 10/30/25)		1,110		1,103,407
3.55%, 11/07/42 (Call 05/07/42)		794		760,461
4.05%, 03/15/21		1,135		1,173,999


Security	Principal (000s)		Value
Rohm & Haas Co.
7.85%, 07/15/29	$	350	$	469,332
RPM International Inc.
3.45%, 11/15/22 (Call 08/15/22)		1,195		1,195,765
3.75%, 03/15/27 (Call 12/15/26)		2,300		2,254,138
4.25%, 01/15/48 (Call 07/15/47)		2,075		1,924,583
5.25%, 06/01/45 (Call 12/01/44)		1,025		1,110,659
6.13%, 10/15/19		150		157,545
Sherwin-Williams Co. (The)
2.25%, 05/15/20		2,366		2,332,545
2.75%, 06/01/22 (Call 05/01/22)		2,304		2,248,428
3.45%, 08/01/25 (Call 05/01/25)		825		807,898
3.45%, 06/01/27 (Call 03/01/27)		3,080		2,965,578
3.95%, 01/15/26 (Call 10/15/25)		625		631,381
4.00%, 12/15/42 (Call 06/15/42)		40		37,459
4.20%, 01/15/22 (Call 10/15/21)		2,300		2,365,803
4.50%, 06/01/47 (Call 12/01/46)		2,922		2,921,942
Syngenta Finance NV
3.13%, 03/28/22^d		5,780		5,575,330
Westlake Chemical Corp.
3.60%, 07/15/22 (Call 04/15/22)		1,450		1,452,769
3.60%, 08/15/26 (Call 05/15/26)		850		828,070
4.38%, 11/15/47 (Call 05/15/47)		1,500		1,439,535
5.00%, 08/15/46 (Call 02/15/46)		2,350		2,470,931

				239,239,975


Security	Principal (000s)		Value
COMMERCIAL SERVICES — 0.17%
Automatic Data Processing Inc.
2.25%, 09/15/20 (Call 08/15/20)	$	2,660	$	2,632,043
3.38%, 09/15/25 (Call 06/15/25)		1,765		1,771,954
Block Financial LLC
4.13%, 10/01/20 (Call 09/01/20)		2,450		2,499,833
5.25%, 10/01/25 (Call 07/01/25)		3,350		3,495,591
5.50%, 11/01/22 (Call 05/01/22)		1,825		1,929,463
Board of Trustees of The Leland Stanford Junior University (The)
3.65%, 05/01/48 (Call 11/01/47)		2,240		2,191,146
California Institute of Technology
4.70%, 11/01/11		1,000		1,054,690
Cleveland Clinic Foundation (The)
4.86%, 01/01/14		310		322,298
Ecolab Inc.
2.25%, 01/12/20		1,140		1,130,766
2.38%, 08/10/22 (Call 07/10/22)		2,750		2,657,242
2.70%, 11/01/26 (Call 08/01/26)		1,705		1,592,999
3.25%, 01/14/23 (Call 11/14/22)		1,200		1,200,216
3.25%, 12/01/27 (Call 09/01/27)^c		525		504,714
3.70%, 11/01/46 (Call 05/01/46)		895		814,092
3.95%, 12/01/47 (Call 06/01/47)^c		3,666		3,507,665
4.35%, 12/08/21		2,094		2,187,371
5.50%, 12/08/41		272		321,273
Equifax Inc.
2.30%, 06/01/21 (Call 05/01/21)		880		856,117


Security	Principal (000s)		Value
3.30%, 12/15/22 (Call 09/15/22)	$	1,750	$	1,735,773
7.00%, 07/01/37		25		30,911
George Washington University (The)
4.87%, 09/15/45		1,000		1,120,470
Massachusetts Institute of Technology
3.89%, 07/01/16		200		178,094
3.96%, 07/01/38		425		440,283
4.68%, 07/01/14		1,541		1,645,310
5.60%, 07/01/11		1,920		2,395,450
Moody’s Corp.
2.63%, 01/15/23 (Call 12/15/22)^c		4,345		4,199,573
2.75%, 07/15/19 (Call 06/15/19)		50		50,011
2.75%, 12/15/21 (Call 11/15/21)		430		423,619
3.25%, 01/15/28 (Call 10/15/27)^c		6,515		6,227,428
4.50%, 09/01/22 (Call 06/01/22)		150		156,770
4.88%, 02/15/24 (Call 11/15/23)		3,920		4,182,914
5.50%, 09/01/20		1,500		1,587,030
Northwestern University
3.66%, 12/01/57 (Call 06/01/57)		874		824,628
3.69%, 12/01/38		1,850		1,824,488
3.87%, 12/01/48		900		893,754
President and Fellows of Harvard College
3.15%, 07/15/46 (Call 01/15/46)		630		569,211
3.30%, 07/15/56 (Call 01/15/56)		1,650		1,485,000
4.88%, 10/15/40		600		703,566
Princeton University
5.70%, 03/01/39		2,200		2,802,052
S&P Global Inc.
2.95%, 01/22/27 (Call 10/22/26)		1,525		1,442,315


Security	Principal (000s)		Value
3.30%, 08/14/20 (Call 07/14/20)	$	325	$	327,915
4.00%, 06/15/25 (Call 03/15/25)		5,200		5,322,928
4.40%, 02/15/26 (Call 11/15/25)		1,427		1,510,494
Total System Services Inc.
3.75%, 06/01/23 (Call 03/01/23)		1,181		1,181,354
3.80%, 04/01/21 (Call 03/01/21)		640		648,141
4.80%, 04/01/26 (Call 01/01/26)		1,005		1,054,325
University of Notre Dame du Lac
Series 2017
3.39%, 02/15/48 (Call 08/15/47)		1,515		1,408,738
University of Southern California
3.03%, 10/01/39		2,020		1,809,132
Series 2017
3.84%, 10/01/47 (Call 04/01/47)		1,500		1,488,465
Verisk Analytics Inc.
4.00%, 06/15/25 (Call 03/15/25)		1,025		1,028,854
4.13%, 09/12/22		1,757		1,807,795
5.50%, 06/15/45 (Call 12/15/44)		2,400		2,613,096
Western Union Co. (The)
3.35%, 05/22/19		1,950		1,959,399
3.60%, 03/15/22 (Call 02/15/22)		1,315		1,317,827
5.25%, 04/01/20		950		989,473
6.20%, 11/17/36		1,740		1,827,348
6.20%, 06/21/40		635		664,121
William Marsh Rice University
3.77%, 05/15/55		1,750		1,684,725

				94,232,253
COMPUTERS — 0.78%
Apple Inc.
1.10%, 08/02/19		1,920		1,884,672
1.55%, 02/07/20		7,650		7,512,529


Security	Principal (000s)		Value
1.55%, 08/04/21 (Call 07/04/21)	$	2,770	$	2,653,605
1.80%, 05/11/20		3,610		3,550,182
1.90%, 02/07/20		2,375		2,348,139
2.00%, 05/06/20		4,940		4,881,560
2.00%, 11/13/20		5,250		5,162,745
2.10%, 05/06/19		8,486		8,455,450
2.10%, 09/12/22 (Call 08/12/22)		1,025		986,091
2.15%, 02/09/22		1,250		1,214,375
2.25%, 02/23/21 (Call 01/23/21)		10,256		10,098,058
2.30%, 05/11/22 (Call 04/11/22)		3,700		3,602,098
2.40%, 01/13/23 (Call 12/13/22)		5,000		4,848,800
2.40%, 05/03/23		9,167		8,864,672
2.45%, 08/04/26 (Call 05/04/26)		7,630		7,059,276
2.50%, 02/09/22 (Call 01/09/22)		3,400		3,345,702
2.50%, 02/09/25		4,325		4,093,223
2.70%, 05/13/22		5,951		5,900,178
2.75%, 01/13/25 (Call 11/13/24)		5,000		4,809,900
2.85%, 05/06/21		8,457		8,467,656
2.85%, 02/23/23 (Call 12/23/22)		4,005		3,959,904
2.85%, 05/11/24 (Call 03/11/24)		2,201		2,143,466
2.90%, 09/12/27 (Call 06/12/27)		1,508		1,426,402
3.00%, 02/09/24 (Call 12/09/23)		2,395		2,363,649
3.00%, 06/20/27 (Call 03/20/27)		1,158		1,108,762
3.00%, 11/13/27 (Call 08/13/27)		5,100		4,875,753
3.20%, 05/13/25		14,628		14,479,233
3.20%, 05/11/27 (Call 02/11/27)		1,545		1,504,815
3.25%, 02/23/26 (Call 11/23/25)		5,914		5,826,000


Security	Principal (000s)		Value
3.35%, 02/09/27 (Call 11/09/26)	$	4,830	$	4,761,462
3.45%, 05/06/24		7,448		7,501,477
3.45%, 02/09/45		7,745		7,066,151
3.75%, 09/12/47 (Call 03/12/47)		715		681,524
3.85%, 05/04/43		9,205		8,982,791
3.85%, 08/04/46 (Call 02/04/46)		2,837		2,748,826
4.25%, 02/09/47 (Call 08/09/46)		4,140		4,267,098
4.38%, 05/13/45		4,588		4,808,637
4.45%, 05/06/44		4,123		4,382,089
4.50%, 02/23/36 (Call 08/23/35)		7,412		8,085,603
4.65%, 02/23/46 (Call 08/23/45)		9,875		10,774,909
Dell International LLC/EMC Corp.
3.48%, 06/01/19^c		8,252		8,305,143
4.42%, 06/15/21 (Call 05/15/21)^c		7,625		7,783,676
5.45%, 06/15/23 (Call 04/15/23)^c		6,850		7,221,681
6.02%, 06/15/26 (Call 03/15/26)^c		14,770		15,773,917
8.10%, 07/15/36 (Call 01/15/36)^c		2,815		3,453,104
8.35%, 07/15/46 (Call 01/15/46)^c		12,735		16,109,648
DXC Technology Co.
2.88%, 03/27/20		115		114,692
4.25%, 04/15/24 (Call 02/15/24)		2,735		2,797,768
4.45%, 09/18/22		5,960		6,148,515
4.75%, 04/15/27 (Call 01/15/27)		2,250		2,325,240
7.45%, 10/15/29		3,755		4,499,692
Hewlett Packard Enterprise Co.
3.60%, 10/15/20 (Call 09/15/20)		3,745		3,785,820
4.40%, 10/15/22 (Call 08/15/22)		1,785		1,849,653


Security	Principal (000s)		Value
4.90%, 10/15/25 (Call 07/15/25)	$	15,385	$	15,900,090
6.20%, 10/15/35 (Call 04/15/35)		3,905		4,187,058
6.35%, 10/15/45 (Call 04/15/45)		6,009		6,330,662
HP Inc.
3.75%, 12/01/20		2,344		2,388,724
4.05%, 09/15/22		1,227		1,260,877
4.30%, 06/01/21		3,775		3,905,841
4.38%, 09/15/21		4,046		4,199,222
4.65%, 12/09/21		2,840		2,974,502
6.00%, 09/15/41		4,108		4,343,265
IBM Credit LLC
1.80%, 01/20/21		400		388,836
2.20%, 09/08/22		2,200		2,116,290
2.65%, 02/05/21		3,000		2,981,040
3.00%, 02/06/23		1,000		990,520
International Business Machines Corp.
1.63%, 05/15/20		3,600		3,520,656
1.80%, 05/17/19		2,800		2,777,068
1.88%, 05/15/19		3,050		3,031,121
1.88%, 08/01/22		7,400		7,027,484
1.90%, 01/27/20		2,100		2,070,999
2.25%, 02/19/21		2,300		2,262,947
2.50%, 01/27/22		1,300		1,278,043
2.88%, 11/09/22		6,500		6,421,480
2.90%, 11/01/21		6,075		6,062,789
3.30%, 01/27/27		2,650		2,617,167
3.38%, 08/01/23		4,730		4,767,793
3.45%, 02/19/26		3,105		3,110,092
3.63%, 02/12/24		7,700		7,836,675
4.00%, 06/20/42		4,566		4,593,898
4.70%, 02/19/46^d		2,750		3,099,717
5.60%, 11/30/39		1,865		2,306,968
5.88%, 11/29/32		4,038		5,054,122
6.22%, 08/01/27		975		1,182,149
6.50%, 01/15/28		915		1,129,055
7.00%, 10/30/25		1,405		1,745,165
8.38%, 11/01/19		1,100		1,202,300
NetApp Inc.
3.25%, 12/15/22 (Call 09/15/22)		1,910		1,877,606


Security	Principal (000s)		Value
3.38%, 06/15/21 (Call 04/15/21)	$	1,040	$	1,043,775
Seagate HDD Cayman
4.25%, 03/01/22 (Call 02/01/22)^c		1,305		1,291,859
4.75%, 06/01/23		3,734		3,758,084
4.75%, 01/01/25		2,001		1,938,409
4.88%, 03/01/24 (Call 01/01/24)^c		2,590		2,588,239
4.88%, 06/01/27 (Call 03/01/27)		3,120		2,979,319
5.75%, 12/01/34 (Call 06/01/34)		2,540		2,409,977

				424,607,894
COSMETICS & PERSONAL CARE — 0.13%
Colgate-Palmolive Co.
1.75%, 03/15/19		2,475		2,457,947
2.25%, 11/15/22		2,800		2,716,644
2.30%, 05/03/22		2,860		2,796,622
2.45%, 11/15/21		380		376,276
2.95%, 11/01/20		1,700		1,715,470
3.25%, 03/15/24		200		201,600
3.70%, 08/01/47 (Call 02/01/47)^d		1,125		1,068,593
4.00%, 08/15/45		2,735		2,732,402
Estee Lauder Companies Inc. (The)
1.70%, 05/10/21 (Call 04/10/21)		900		868,599
1.80%, 02/07/20		1,590		1,564,671
2.35%, 08/15/22		550		533,385
3.15%, 03/15/27 (Call 12/15/26)		1,425		1,386,083
4.15%, 03/15/47 (Call 09/15/46)		755		776,034
4.38%, 06/15/45 (Call 12/15/44)		1,870		1,975,730
6.00%, 05/15/37		750		944,543
Procter & Gamble Co. (The)
1.70%, 11/03/21		1,335		1,283,402
1.85%, 02/02/21		2,100		2,051,973
1.90%, 11/01/19		4,090		4,056,666
1.90%, 10/23/20		1,000		983,330


Security	Principal (000s)		Value
2.15%, 08/11/22	$	3,105	$	3,005,919
2.30%, 02/06/22		2,326		2,278,689
2.45%, 11/03/26		3,375		3,130,751
2.70%, 02/02/26		1,580		1,507,984
2.85%, 08/11/27		2,100		2,001,678
3.10%, 08/15/23		797		799,232
3.50%, 10/25/47		2,075		1,947,844
5.50%, 02/01/34		160		195,429
5.55%, 03/05/37		3,653		4,583,200
Series A
9.36%, 01/01/21		131		143,896
Unilever Capital Corp.
1.38%, 07/28/21		1,830		1,743,331
1.80%, 05/05/20		3,335		3,277,671
2.00%, 07/28/26		2,800		2,501,800
2.20%, 03/06/19		1,200		1,197,348
2.20%, 05/05/22 (Call 04/05/22)		1,550		1,502,958
2.60%, 05/05/24 (Call 03/05/24)		1,750		1,688,277
2.90%, 05/05/27 (Call 02/05/27)		1,250		1,190,438
3.10%, 07/30/25		4,365		4,293,152
4.25%, 02/10/21		2,150		2,234,882
5.90%, 11/15/32		1,350		1,695,438

				71,409,887
DISTRIBUTION & WHOLESALE — 0.01%
WW Grainger Inc.
3.75%, 05/15/46 (Call 11/15/45)		1,775		1,647,040
4.20%, 05/15/47 (Call 11/15/46)		2,200		2,220,328
4.60%, 06/15/45 (Call 12/15/44)		3,294		3,500,962

				7,368,330
DIVERSIFIED FINANCIAL SERVICES — 0.85%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
3.30%, 01/23/23 (Call 12/23/22)		1,750		1,714,877
3.50%, 05/26/22 (Call 04/26/22)		1,720		1,712,398


Security	Principal (000s)		Value
3.50%, 01/15/25 (Call 11/15/24)	$	1,000	$	961,820
3.65%, 07/21/27 (Call 04/21/27)		2,295		2,161,041
3.75%, 05/15/19		3,950		3,985,431
3.88%, 01/23/28 (Call 10/23/27)		1,000		958,120
3.95%, 02/01/22 (Call 01/01/22)		3,200		3,232,192
4.25%, 07/01/20		4,500		4,600,080
4.50%, 05/15/21		3,730		3,841,266
4.63%, 10/30/20		2,250		2,326,500
4.63%, 07/01/22		3,568		3,707,759
5.00%, 10/01/21		4,150		4,347,581
Affiliated Managers Group Inc.
3.50%, 08/01/25		2,500		2,447,000
4.25%, 02/15/24		500		514,295
Air Lease Corp.
2.13%, 01/15/20		2,255		2,223,836
2.50%, 03/01/21		784		770,139
2.63%, 07/01/22 (Call 06/01/22)		2,279		2,203,383
2.75%, 01/15/23 (Call 12/15/22)		1,000		966,520
3.00%, 09/15/23 (Call 07/15/23)		1,482		1,435,702
3.25%, 03/01/25 (Call 01/01/25)		108		103,693
3.38%, 06/01/21 (Call 05/01/21)		1,657		1,664,291
3.63%, 04/01/27 (Call 01/01/27)		1,447		1,380,858
3.63%, 12/01/27 (Call 09/01/27)		1,250		1,195,337
3.75%, 02/01/22 (Call 12/01/21)		3,020		3,062,220
3.88%, 04/01/21 (Call 03/01/21)		785		799,734
4.25%, 09/15/24 (Call 06/15/24)		598		613,267
4.75%, 03/01/20		350		362,198
American Express Co.
1.55%, 05/22/18		2,298		2,293,703


Security	Principal (000s)		Value
2.20%, 10/30/20 (Call 09/29/20)	$	5,100	$	4,996,776
2.50%, 08/01/22 (Call 07/01/22)		2,817		2,724,011
2.65%, 12/02/22		1,779		1,729,419
3.00%, 10/30/24 (Call 09/29/24)		3,700		3,564,321
3.40%, 02/27/23 (Call 01/27/23)		2,000		1,995,960
3.63%, 12/05/24 (Call 11/04/24)		2,900		2,900,464
4.05%, 12/03/42		5,821		5,772,977
American Express Credit Corp.
1.70%, 10/30/19 (Call 09/30/19)		1,400		1,377,026
1.88%, 05/03/19 (Call 04/03/19)		785		778,445
2.13%, 03/18/19		2,625		2,615,314
2.20%, 03/03/20 (Call 02/01/20)		2,000		1,974,140
2.25%, 08/15/19		5,924		5,890,292
2.25%, 05/05/21 (Call 04/04/21)		6,085		5,936,891
2.38%, 05/26/20 (Call 04/25/20)		10,585		10,466,554
2.70%, 03/03/22 (Call 01/31/22)		3,350		3,284,775
3.30%, 05/03/27 (Call 04/03/27)		4,515		4,377,157
Series F
2.60%, 09/14/20 (Call 08/14/20)		1,867		1,849,880
Ameriprise Financial Inc.
2.88%, 09/15/26 (Call 06/15/26)		2,794		2,639,855
3.70%, 10/15/24		3,365		3,410,764
4.00%, 10/15/23		2,520		2,605,000
5.30%, 03/15/20		750		786,907
AXA Financial Inc.
7.00%, 04/01/28		50		61,198
Brookfield Finance Inc.
3.90%, 01/25/28 (Call 10/25/27)		1,050		1,021,524


Security	Principal (000s)		Value
4.25%, 06/02/26 (Call 03/02/26)	$	4,750	$	4,767,290
4.70%, 09/20/47 (Call 03/20/47)		50		48,611
Brookfield Finance LLC
4.00%, 04/01/24 (Call 02/01/24)		1,940		1,961,592
Capital One Bank USA N.A.
3.38%, 02/15/23		4,010		3,954,341
Cboe Global Markets Inc.
3.65%, 01/12/27 (Call 10/12/26)		820		808,274
Charles Schwab Corp. (The)
2.65%, 01/25/23 (Call 12/25/22)		2,266		2,211,185
3.00%, 03/10/25 (Call 12/10/24)		1,660		1,613,752
3.20%, 03/02/27 (Call 12/02/26)		1,400		1,362,676
3.20%, 01/25/28 (Call 10/25/27)		900		869,355
3.23%, 09/01/22		425		424,350
3.45%, 02/13/26 (Call 11/13/25)		4,115		4,096,606
4.45%, 07/22/20		120		124,933
CME Group Inc.
3.00%, 09/15/22		1,225		1,220,688
3.00%, 03/15/25 (Call 12/15/24)		3,596		3,512,213
5.30%, 09/15/43 (Call 03/15/43)		4,097		4,986,705
Credit Suisse USA Inc.
7.13%, 07/15/32		6,162		8,207,353
Discover Financial Services
3.75%, 03/04/25 (Call 12/04/24)		2,720		2,662,418
3.85%, 11/21/22		1,575		1,583,426
3.95%, 11/06/24 (Call 08/06/24)		2,095		2,093,156
4.10%, 02/09/27 (Call 11/09/26)		890		878,617
5.20%, 04/27/22		2,629		2,773,122


Security	Principal (000s)		Value
E*TRADE Financial Corp.
2.95%, 08/24/22 (Call 07/24/22)	$	1,200	$	1,170,648
3.80%, 08/24/27 (Call 05/24/27)		1,050		1,017,576
Eaton Vance Corp.
3.50%, 04/06/27 (Call 01/06/27)		2,500		2,468,300
Franklin Resources Inc.
2.80%, 09/15/22		2,750		2,697,832
2.85%, 03/30/25		450		435,303
4.63%, 05/20/20		650		674,460
GE Capital International Funding Co. Unlimited Co.
2.34%, 11/15/20		17,605		17,222,443
3.37%, 11/15/25		20,769		19,989,747
4.42%, 11/15/35		25,292		24,821,822
Genpact Luxembourg Sarl
3.70%, 04/01/22 (Call 03/01/22)^c		2,000		1,961,960
Intercontinental Exchange Inc.
2.35%, 09/15/22 (Call 08/15/22)		2,350		2,271,228
2.75%, 12/01/20 (Call 11/01/20)		5,618		5,594,180
3.10%, 09/15/27 (Call 06/15/27)		2,225		2,134,264
3.75%, 12/01/25 (Call 09/01/25)		4,715		4,792,750
4.00%, 10/15/23		2,040		2,112,665
International Lease Finance Corp.
4.63%, 04/15/21		1,190		1,228,734
5.88%, 04/01/19		675		696,722
5.88%, 08/15/22		2,955		3,222,191
6.25%, 05/15/19		2,410		2,498,182
8.25%, 12/15/20		3,874		4,359,141
8.63%, 01/15/22		1,000		1,179,470
Invesco Finance PLC
3.13%, 11/30/22		2,500		2,477,850
3.75%, 01/15/26		245		245,657
4.00%, 01/30/24		3,650		3,772,019
5.38%, 11/30/43		190		220,712


Security	Principal (000s)		Value
Janus Capital Group Inc.
4.88%, 08/01/25 (Call 05/01/25)	$	3,645	$	3,800,824
Jefferies Group LLC
5.13%, 01/20/23		1,226		1,303,079
6.25%, 01/15/36		2,550		2,812,548
6.45%, 06/08/27		1,210		1,368,716
6.50%, 01/20/43		2,030		2,276,584
6.88%, 04/15/21		1,115		1,226,823
8.50%, 07/15/19		1,200		1,286,940
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.15%, 01/23/30		50		47,509
4.85%, 01/15/27		1,600		1,650,992
Lazard Group LLC
3.63%, 03/01/27 (Call 12/01/26)		1,600		1,554,672
3.75%, 02/13/25		1,910		1,895,981
4.25%, 11/14/20		1,595		1,645,593
Legg Mason Inc.
2.70%, 07/15/19		220		219,355
3.95%, 07/15/24		690		692,643
4.75%, 03/15/26		1,970		2,058,985
5.63%, 01/15/44		1,965		2,102,059
Mastercard Inc.
2.00%, 04/01/19		884		879,810
2.00%, 11/21/21 (Call 10/21/21)		1,260		1,222,855
2.95%, 11/21/26 (Call 08/21/26)		1,530		1,470,330
3.38%, 04/01/24		7,070		7,079,969
3.50%, 02/26/28 (Call 11/26/27)		265		265,591
3.80%, 11/21/46 (Call 05/21/46)		1,060		1,039,521
3.95%, 02/26/48 (Call 08/26/47)		565		569,656
Nasdaq Inc.
3.85%, 06/30/26 (Call 03/30/26)		730		723,466
4.25%, 06/01/24 (Call 03/01/24)		2,097		2,153,829
5.55%, 01/15/20		1,050		1,098,867


Security	Principal (000s)		Value
National Rural Utilities Cooperative Finance Corp.
1.50%, 11/01/19	$	2,000	$	1,962,600
2.00%, 01/27/20 (Call 12/27/19)		586		578,605
2.30%, 11/15/19 (Call 10/15/19)		1,200		1,191,732
2.30%, 11/01/20 (Call 10/01/20)		1,050		1,035,867
2.30%, 09/15/22 (Call 08/15/22)		1,900		1,833,462
2.40%, 04/25/22 (Call 03/25/22)		1,605		1,559,065
2.70%, 02/15/23 (Call 12/15/22)		6,640		6,477,851
2.95%, 02/07/24 (Call 12/07/23)		1,000		980,130
3.05%, 02/15/22 (Call 11/15/21)		4,815		4,803,877
3.05%, 04/25/27 (Call 01/25/27)		1,000		961,610
3.25%, 11/01/25 (Call 08/01/25)		1,201		1,184,498
3.40%, 11/15/23 (Call 08/15/23)		2,450		2,465,729
3.40%, 02/07/28 (Call 11/07/27)		1,000		983,410
4.02%, 11/01/32 (Call 05/01/32)		1,800		1,827,126
(3 mo. LIBOR US + 2.910%)
4.75%, 04/30/43 (Call 04/30/23)^e		10,000		10,282,200
Series C
8.00%, 03/01/32		1,015		1,427,780
Nomura Holdings Inc.
2.75%, 03/19/19		2,790		2,790,725
6.70%, 03/04/20		3,699		3,961,111
ORIX Corp.
2.90%, 07/18/22		260		254,275
3.25%, 12/04/24		1,020		990,583
3.70%, 07/18/27		2,320		2,262,394
Raymond James Financial Inc.
3.63%, 09/15/26		2,364		2,308,564
4.95%, 07/15/46		2,600		2,808,624


Security	Principal (000s)		Value
5.63%, 04/01/24	$	900	$	1,000,305
Stifel Financial Corp.
4.25%, 07/18/24		4,740		4,767,208
Synchrony Financial
2.70%, 02/03/20 (Call 01/03/20)		1,011		1,003,680
3.00%, 08/15/19 (Call 07/15/19)		6,874		6,877,368
3.70%, 08/04/26 (Call 05/04/26)		3,400		3,249,210
3.75%, 08/15/21 (Call 06/15/21)		90		91,165
3.95%, 12/01/27 (Call 09/01/27)		235		225,988
4.25%, 08/15/24 (Call 05/15/24)		2,765		2,785,848
4.50%, 07/23/25 (Call 04/24/25)		4,400		4,471,192
TD Ameritrade Holding Corp.
2.95%, 04/01/22 (Call 02/01/22)		5,234		5,199,665
3.30%, 04/01/27 (Call 01/01/27)		607		592,013
Visa Inc.
2.15%, 09/15/22 (Call 08/15/22)		1,575		1,516,315
2.20%, 12/14/20 (Call 11/14/20)		4,360		4,304,759
2.75%, 09/15/27 (Call 06/15/27)		1,300		1,223,989
2.80%, 12/14/22 (Call 10/14/22)		6,849		6,759,552
3.15%, 12/14/25 (Call 09/14/25)		16,930		16,617,641
3.65%, 09/15/47 (Call 03/15/47)		1,070		1,022,856
4.15%, 12/14/35 (Call 06/14/35)		3,718		3,917,434
4.30%, 12/14/45 (Call 06/14/45)		11,121		11,786,925
Washington Prime Group LP
5.95%, 08/15/24 (Call 06/15/24)		850		840,701

				463,404,239


Security	Principal (000s)		Value
ELECTRIC — 1.67%
AEP Texas Inc.
2.40%, 10/01/22 (Call 09/01/22)	$	2,325	$	2,241,463
Series E 6.65%, 02/15/33		750		942,945
AEP Transmission Co. LLC
3.10%, 12/01/26 (Call 09/01/26)		1,195		1,154,394
3.75%, 12/01/47 (Call 06/01/47)^c		225		216,353
4.00%, 12/01/46 (Call 06/01/46)		915		918,477
Alabama Power Co.
2.80%, 04/01/25 (Call 01/01/25)		1,370		1,300,623
3.75%, 03/01/45 (Call 09/01/44)		2,151		2,081,415
4.10%, 01/15/42		375		371,813
4.15%, 08/15/44 (Call 02/15/44)		1,265		1,293,855
4.30%, 01/02/46 (Call 07/02/45)		2,550		2,674,542
5.50%, 03/15/41		150		175,649
6.00%, 03/01/39		205		256,746
6.13%, 05/15/38		695		872,614
Series 11-C
5.20%, 06/01/41		1,925		2,181,602
Series 17A
2.45%, 03/30/22 (Call 02/28/22)		1,345		1,311,012
Ameren Corp.
2.70%, 11/15/20 (Call 10/15/20)		2,325		2,312,538
3.65%, 02/15/26 (Call 11/15/25)		1,761		1,746,525
Ameren Illinois Co.
2.70%, 09/01/22 (Call 06/01/22)		1,450		1,423,508
3.70%, 12/01/47 (Call 06/01/47)		2,050		1,975,113
4.15%, 03/15/46 (Call 09/15/45)		2,000		2,066,880


Security	Principal (000s)		Value
4.30%, 07/01/44 (Call 01/01/44)	$	2,040	$	2,126,088
4.80%, 12/15/43 (Call 06/15/43)		25		27,668
American Electric Power Co. Inc.
2.95%, 12/15/22 (Call 09/15/22)		1,145		1,132,176
Appalachian Power Co.
3.30%, 06/01/27 (Call 03/01/27)		1,500		1,457,655
4.40%, 05/15/44 (Call 11/15/43)		2,138		2,233,569
6.38%, 04/01/36		1,075		1,344,062
7.00%, 04/01/38		1,880		2,570,787
Series L
5.80%, 10/01/35		15		17,704
Series P
6.70%, 08/15/37		525		680,474
Arizona Public Service Co.
2.20%, 01/15/20 (Call 12/15/19)		500		495,295
2.55%, 09/15/26 (Call 06/15/26)		1,620		1,492,733
2.95%, 09/15/27 (Call 06/15/27)		250		236,593
3.15%, 05/15/25 (Call 02/15/25)		1,000		979,030
3.35%, 06/15/24 (Call 03/15/24)		500		498,625
3.75%, 05/15/46 (Call 11/15/45)		1,385		1,330,639
4.35%, 11/15/45 (Call 05/15/45)		1,000		1,055,580
4.50%, 04/01/42 (Call 10/01/41)		1,030		1,101,873
5.05%, 09/01/41 (Call 03/01/41)		1,700		1,933,104
5.50%, 09/01/35		485		562,901
8.75%, 03/01/19		300		317,526
Avangrid Inc.
3.15%, 12/01/24 (Call 10/01/24)		2,000		1,940,840


Security	Principal (000s)		Value
Baltimore Gas & Electric Co.
2.80%, 08/15/22 (Call 05/15/22)	$	674	$	659,866
3.35%, 07/01/23 (Call 04/01/23)		400		401,616
3.50%, 11/15/21 (Call 08/15/21)		800		813,288
3.50%, 08/15/46 (Call 02/15/46)		2,000		1,835,440
3.75%, 08/15/47 (Call 02/15/47)		600		574,872
Berkshire Hathaway Energy Co.
2.40%, 02/01/20 (Call 01/01/20)		1,977		1,966,107
2.80%, 01/15/23 (Call 12/15/22)^c		975		954,476
3.25%, 04/15/28 (Call 01/15/28)^c		250		241,565
3.50%, 02/01/25 (Call 11/01/24)		1,695		1,701,814
3.75%, 11/15/23 (Call 08/15/23)		2,300		2,353,935
3.80%, 07/15/48 (Call 01/15/48)^c		250		237,308
4.50%, 02/01/45 (Call 08/01/44)		2,336		2,450,768
5.15%, 11/15/43 (Call 05/15/43)		1,371		1,585,795
5.95%, 05/15/37		3,725		4,644,330
6.13%, 04/01/36		9,141		11,639,784
Black Hills Corp.
3.15%, 01/15/27 (Call 07/15/26)		465		440,415
3.95%, 01/15/26 (Call 07/15/25)		2,100		2,120,958
4.25%, 11/30/23 (Call 08/30/23)		300		309,543
CenterPoint Energy Houston Electric LLC
1.85%, 06/01/21 (Call 05/01/21)		2,150		2,078,362
2.25%, 08/01/22 (Call 05/01/22)		2,655		2,558,039


Security	Principal (000s)		Value
3.55%, 08/01/42 (Call 02/01/42)	$	1,147	$	1,083,204
3.95%, 03/01/48 (Call 09/01/47)		555		556,759
4.50%, 04/01/44 (Call 10/01/43)		1,675		1,830,222
Series AA
3.00%, 02/01/27 (Call 11/01/26)		3,300		3,166,416
Series Z
2.40%, 09/01/26 (Call 06/01/26)		2,140		1,968,522
CenterPoint Energy Inc.
2.50%, 09/01/22 (Call 08/01/22)		625		604,181
Cleco Corporate Holdings LLC
3.74%, 05/01/26 (Call 02/01/26)		2,430		2,319,945
4.97%, 05/01/46 (Call 11/01/45)		1,500		1,515,705
Cleco Power LLC
6.00%, 12/01/40		210		248,468
Cleveland Electric Illuminating Co. (The)
5.50%, 08/15/24		3,300		3,649,767
5.95%, 12/15/36		264		316,079
CMS Energy Corp.
2.95%, 02/15/27 (Call 11/15/26)		265		249,161
3.45%, 08/15/27 (Call 05/15/27)		2,000		1,953,040
3.60%, 11/15/25 (Call 08/15/25)		1,075		1,062,971
3.88%, 03/01/24 (Call 12/01/23)		975		993,915
4.70%, 03/31/43 (Call 09/30/42)		10		10,544
4.88%, 03/01/44 (Call 09/01/43)		1,325		1,450,583
5.05%, 03/15/22 (Call 12/15/21)		2,050		2,175,398
Commonwealth Edison Co.
2.55%, 06/15/26 (Call 03/15/26)		400		374,160


Security	Principal (000s)		Value
2.95%, 08/15/27 (Call 05/15/27)	$	1,925	$	1,839,626
3.10%, 11/01/24 (Call 08/01/24)		2,950		2,891,649
3.40%, 09/01/21 (Call 06/01/21)		3,890		3,941,231
3.65%, 06/15/46 (Call 12/15/45)		1,210		1,142,821
3.70%, 03/01/45 (Call 09/01/44)		1,050		1,003,023
3.75%, 08/15/47 (Call 02/15/47)		1,500		1,440,945
4.00%, 08/01/20 (Call 05/01/20)		500		513,235
4.00%, 03/01/48 (Call 09/01/47)		1,000		1,003,610
4.35%, 11/15/45 (Call 05/15/45)		3,750		3,955,125
4.60%, 08/15/43 (Call 02/15/43)		70		76,380
4.70%, 01/15/44 (Call 07/15/43)		175		194,779
5.90%, 03/15/36		223		277,267
6.45%, 01/15/38		1,200		1,587,828
Connecticut Light & Power Co. (The)
2.50%, 01/15/23 (Call 10/15/22)		2,000		1,944,860
4.30%, 04/15/44 (Call 10/15/43)		750		792,960
Series A
3.20%, 03/15/27 (Call 12/15/26)		2,000		1,955,320
4.15%, 06/01/45 (Call 12/01/44)		2,125		2,189,706
Consolidated Edison Co. of New York Inc.
4.30%, 12/01/56 (Call 06/01/56)		1,925		1,967,793
5.50%, 12/01/39		1,270		1,533,614
6.30%, 08/15/37		460		596,298
2.90%, 12/01/26 (Call 09/01/26)		1,750		1,658,930


Security	Principal (000s)		Value
3.30%, 12/01/24 (Call 09/01/24)	$	1,150	$	1,147,044
3.85%, 06/15/46 (Call 12/15/45)		325		317,190
3.95%, 03/01/43 (Call 09/01/42)		7,001		6,954,933
4.45%, 03/15/44 (Call 09/15/43)		1,205		1,283,204
4.50%, 12/01/45 (Call 06/01/45)		1,610		1,735,564
4.63%, 12/01/54 (Call 06/01/54)		480		516,053
5.70%, 06/15/40		495		612,409
6.65%, 04/01/19		950		989,036
Series 05-A
5.30%, 03/01/35		700		807,562
Series 06-A
5.85%, 03/15/36		500		611,185
Series 06-E
5.70%, 12/01/36		695		834,271
Series 08-B
6.75%, 04/01/38		1,322		1,818,067
Series 2017
3.88%, 06/15/47 (Call 12/15/46)		130		127,375
Series C
4.00%, 11/15/57 (Call 05/15/57)		50		48,661
Consolidated Edison Inc.
2.00%, 03/15/20		1,830		1,802,404
2.00%, 05/15/21 (Call 04/15/21)		2,605		2,528,126
Consumers Energy Co.
2.85%, 05/15/22 (Call 02/15/22)		1,865		1,850,957
3.13%, 08/31/24 (Call 05/31/24)		500		493,765
3.25%, 08/15/46 (Call 02/15/46)		2,250		2,006,820
3.38%, 08/15/23 (Call 05/15/23)		1,100		1,106,050
3.95%, 05/15/43 (Call 11/15/42)		500		503,505


Security	Principal (000s)		Value
3.95%, 07/15/47 (Call 01/15/47)	$	2,000	$	2,020,420
4.35%, 08/31/64 (Call 02/28/64)		35		34,815
6.70%, 09/15/19		50		52,925
Delmarva Power & Light Co.
4.00%, 06/01/42 (Call 12/01/41)		300		296,055
4.15%, 05/15/45 (Call 11/15/44)		1,250		1,272,875
Dominion Energy Inc.
2.58%, 07/01/20		1,880		1,856,763
2.75%, 01/15/22 (Call 12/15/21)		1,350		1,322,527
2.96%, 07/01/19^b		675		676,478
3.63%, 12/01/24 (Call 09/01/24)		2,650		2,645,733
3.90%, 10/01/25 (Call 07/01/25)		2,620		2,643,056
4.10%, 04/01/21^b		295		301,056
4.45%, 03/15/21		2,642		2,745,064
4.70%, 12/01/44 (Call 06/01/44)		1,625		1,711,986
5.20%, 08/15/19		1,250		1,287,850
7.00%, 06/15/38		3,865		5,102,380
(3 mo. LIBOR US + 3.057%)
5.75%, 10/01/54 (Call 10/01/24)^e		1,000		1,066,350
Series B
1.60%, 08/15/19		488		479,982
5.95%, 06/15/35		1,060		1,270,219
Series C
2.00%, 08/15/21 (Call 07/15/21)		1,900		1,826,489
4.05%, 09/15/42 (Call 03/15/42)		2,015		1,940,667
4.90%, 08/01/41 (Call 02/01/41)		1,240		1,336,038
Series D
2.85%, 08/15/26 (Call 05/15/26)		3,900		3,639,714
Series F
5.25%, 08/01/33		1,565		1,746,243


Security	Principal (000s)		Value
DTE Electric Co.
2.65%, 06/15/22 (Call 03/15/22)	$	1,040	$	1,017,286
3.65%, 03/15/24 (Call 12/15/23)		3,030		3,111,689
3.70%, 03/15/45 (Call 09/15/44)		1,810		1,747,555
3.70%, 06/01/46 (Call 12/01/45)		810		778,313
3.75%, 08/15/47 (Call 02/15/47)		2,125		2,050,200
3.80%, 03/15/27 (Call 12/15/26)		1,800		1,800,828
3.90%, 06/01/21 (Call 03/01/21)		1,350		1,385,073
3.95%, 06/15/42 (Call 12/15/41)		5		4,921
4.30%, 07/01/44 (Call 01/01/44)		1,550		1,632,816
5.70%, 10/01/37		150		183,050
Series A
6.63%, 06/01/36		620		812,479
DTE Energy Co.
1.50%, 10/01/19		2,420		2,374,093
2.85%, 10/01/26 (Call 07/01/26)		3,425		3,181,893
3.30%, 06/15/22 (Call 04/15/22)		700		698,019
3.85%, 12/01/23 (Call 09/01/23)		1,425		1,455,267
Series C
3.50%, 06/01/24 (Call 03/01/24)		550		548,405
Duke Energy Carolinas LLC
2.50%, 03/15/23 (Call 01/15/23)		2,270		2,203,217
2.95%, 12/01/26 (Call 09/01/26)		2,950		2,828,519
3.05%, 03/15/23 (Call 02/15/23)		2,255		2,247,874
3.70%, 12/01/47 (Call 06/01/47)		1,000		958,010
3.75%, 06/01/45 (Call 12/01/44)		1,062		1,023,439


Security	Principal (000s)		Value
3.88%, 03/15/46 (Call 09/15/45)	$	2,890	$	2,851,968
3.90%, 06/15/21 (Call 03/15/21)		2,085		2,152,262
3.95%, 03/15/48 (Call 09/15/47)		500		496,960
4.00%, 09/30/42 (Call 03/30/42)		262		263,449
4.25%, 12/15/41 (Call 06/15/41)		405		423,711
5.30%, 02/15/40		570		678,528
6.00%, 01/15/38		451		571,606
6.05%, 04/15/38		540		692,069
6.10%, 06/01/37		3,530		4,434,562
6.45%, 10/15/32		25		31,616
Series A
6.00%, 12/01/28		1,335		1,586,527
Duke Energy Corp.
1.80%, 09/01/21 (Call 08/01/21)		3,753		3,593,385
2.40%, 08/15/22 (Call 07/15/22)		65		62,854
2.65%, 09/01/26 (Call 06/01/26)		2,860		2,623,964
3.05%, 08/15/22 (Call 05/15/22)		2,500		2,480,025
3.15%, 08/15/27 (Call 05/15/27)		765		724,379
3.55%, 09/15/21 (Call 06/15/21)		2,876		2,918,536
3.75%, 04/15/24 (Call 01/15/24)		730		739,760
3.75%, 09/01/46 (Call 03/01/46)		3,505		3,189,830
3.95%, 10/15/23 (Call 07/15/23)		750		769,883
3.95%, 08/15/47 (Call 02/15/47)		35		32,949
4.80%, 12/15/45 (Call 06/15/45)		5,825		6,305,446
5.05%, 09/15/19		1,124		1,162,542
Duke Energy Florida LLC
1.85%, 01/15/20		2,260		2,225,761


Security	Principal (000s)		Value
3.10%, 08/15/21 (Call 05/15/21)	$	1,750	$	1,763,352
3.20%, 01/15/27 (Call 10/15/26)		1,200		1,170,216
3.40%, 10/01/46 (Call 04/01/46)		4,610		4,162,461
3.85%, 11/15/42 (Call 05/15/42)		860		842,155
5.65%, 04/01/40		350		435,117
6.35%, 09/15/37		125		164,970
6.40%, 06/15/38		1,935		2,579,665
Duke Energy Florida Project Finance LLC
Series 2035
3.11%, 09/01/36		100		89,651
Duke Energy Indiana LLC
3.75%, 05/15/46 (Call 11/15/45)		3,500		3,331,965
6.35%, 08/15/38		55		72,455
6.45%, 04/01/39		3,450		4,606,336
Series WWW
4.90%, 07/15/43 (Call 01/15/43)		50		56,774
Duke Energy Ohio Inc.
3.70%, 06/15/46 (Call 12/15/45)		750		717,038
3.80%, 09/01/23 (Call 06/01/23)		475		488,086
5.45%, 04/01/19		1,666		1,714,364
Duke Energy Progress LLC
2.80%, 05/15/22 (Call 02/15/22)		900		893,421
3.00%, 09/15/21 (Call 06/15/21)		1,920		1,927,910
3.25%, 08/15/25 (Call 05/15/25)		1,155		1,142,884
3.60%, 09/15/47 (Call 03/15/47)		2,500		2,344,825
3.70%, 10/15/46 (Call 04/15/46)		1,625		1,552,899
4.10%, 05/15/42 (Call 11/15/41)		290		295,258


Security	Principal (000s)		Value
4.10%, 03/15/43 (Call 09/15/42)	$	775	$	789,431
4.15%, 12/01/44 (Call 06/01/44)		1,098		1,124,791
4.20%, 08/15/45 (Call 02/15/45)		1,890		1,945,169
4.38%, 03/30/44 (Call 09/30/43)		2,240		2,384,122
6.30%, 04/01/38		840		1,106,465
Edison International
2.13%, 04/15/20		1,750		1,723,995
2.40%, 09/15/22 (Call 08/15/22)		2,200		2,113,936
2.95%, 03/15/23 (Call 01/15/23)		3,000		2,932,110
El Paso Electric Co.
5.00%, 12/01/44 (Call 06/01/44)		2,050		2,093,234
Emera U.S. Finance LP
2.15%, 06/15/19		180		178,256
2.70%, 06/15/21 (Call 05/15/21)		3,850		3,777,543
3.55%, 06/15/26 (Call 03/15/26)		2,385		2,293,321
4.75%, 06/15/46 (Call 12/15/45)		2,798		2,808,129
Enel Americas SA
4.00%, 10/25/26 (Call 07/25/26)		150		148,232
Entergy Arkansas Inc.
3.50%, 04/01/26 (Call 01/01/26)		1,650		1,646,749
3.70%, 06/01/24 (Call 03/01/24)		3,135		3,198,358
3.75%, 02/15/21 (Call 11/15/20)		2,725		2,783,778
4.95%, 12/15/44 (Call 12/15/24)		245		248,690
Entergy Corp.
2.95%, 09/01/26 (Call 06/01/26)		3,334		3,135,227
4.00%, 07/15/22 (Call 05/15/22)		1,247		1,278,050


Security	Principal (000s)		Value
Entergy Gulf States Louisiana LLC
5.59%, 10/01/24	$	30	$	33,853
6.00%, 05/01/18		1,000		1,005,880
Entergy Louisiana LLC
2.40%, 10/01/26 (Call 07/01/26)		2,520		2,306,632
3.05%, 06/01/31 (Call 03/01/31)		1,775		1,639,851
3.12%, 09/01/27 (Call 06/01/27)		850		819,587
3.25%, 04/01/28 (Call 01/01/28)		3,900		3,771,456
4.95%, 01/15/45 (Call 01/15/25)		540		546,226
Entergy Mississippi Inc.
2.85%, 06/01/28 (Call 03/01/28)		3,670		3,418,091
Entergy Texas Inc.
5.15%, 06/01/45 (Call 06/01/25)		25		25,853
Eversource Energy
2.50%, 03/15/21 (Call 02/15/21)		1,475		1,450,058
2.80%, 05/01/23 (Call 02/01/23)		720		698,717
2.90%, 10/01/24 (Call 08/01/24)		1,350		1,294,069
3.35%, 03/15/26 (Call 12/15/25)		1,670		1,626,964
Series H
3.15%, 01/15/25 (Call 10/15/24)		515		501,646
Series K
2.75%, 03/15/22 (Call 02/15/22)		1,050		1,034,072
Series M
3.30%, 01/15/28 (Call 10/15/27)		100		96,360
Exelon Corp.
2.45%, 04/15/21 (Call 03/15/21)		270		264,713
2.85%, 06/15/20 (Call 05/15/20)		1,623		1,613,976


Security	Principal (000s)		Value
3.40%, 04/15/26 (Call 01/15/26)	$	3,080	$	2,993,082
3.50%, 06/01/22 (Call 05/01/22)		1,110		1,109,212
3.95%, 06/15/25 (Call 03/15/25)		4,845		4,898,392
4.45%, 04/15/46 (Call 10/15/45)		1,206		1,228,347
4.95%, 06/15/35 (Call 12/15/34)		1,545		1,693,150
5.10%, 06/15/45 (Call 12/15/44)		2,415		2,692,266
5.15%, 12/01/20 (Call 09/01/20)		3,824		4,005,716
Exelon Generation Co. LLC
2.95%, 01/15/20 (Call 12/15/19)		2,968		2,967,228
3.40%, 03/15/22 (Call 02/15/22)		2,280		2,284,628
4.00%, 10/01/20 (Call 07/01/20)		700		715,015
4.25%, 06/15/22 (Call 03/15/22)		4,163		4,293,135
5.20%, 10/01/19		265		274,389
5.60%, 06/15/42 (Call 12/15/41)		3,370		3,523,369
5.75%, 10/01/41 (Call 04/01/41)		1,250		1,322,712
6.25%, 10/01/39		1,775		1,984,823
FirstEnergy Corp.
Series A
2.85%, 07/15/22 (Call 05/15/22)		50		48,540
Series B
3.90%, 07/15/27 (Call 04/15/27)		325		321,272
4.25%, 03/15/23 (Call 12/15/22)		2,055		2,115,253
Series C
4.85%, 07/15/47 (Call 01/15/47)		1,100		1,153,658
Florida Power & Light Co.
3.13%, 12/01/25 (Call 06/01/25)		300		295,743


Security	Principal (000s)		Value
3.25%, 06/01/24 (Call 12/01/23)	$	1,750	$	1,757,210
3.70%, 12/01/47 (Call 06/01/47)		4,100		3,944,446
3.80%, 12/15/42 (Call 06/15/42)		520		509,865
4.05%, 06/01/42 (Call 12/01/41)		1,375		1,399,777
4.05%, 10/01/44 (Call 04/01/44)		1,283		1,308,686
4.13%, 02/01/42 (Call 08/01/41)		3,190		3,290,102
5.25%, 02/01/41 (Call 08/01/40)		1,505		1,795,254
5.63%, 04/01/34		150		179,573
5.65%, 02/01/37		2,482		3,039,234
5.69%, 03/01/40		710		887,188
5.95%, 02/01/38		3,779		4,811,196
Fortis Inc./Canada
2.10%, 10/04/21 (Call 09/04/21)		1,735		1,668,740
3.06%, 10/04/26 (Call 07/04/26)		3,745		3,483,374
Georgia Power Co.
2.00%, 03/30/20		1,400		1,380,022
2.00%, 09/08/20		1,235		1,212,091
2.40%, 04/01/21 (Call 03/01/21)		1,000		985,220
3.25%, 03/30/27 (Call 12/30/26)		2,200		2,133,142
4.30%, 03/15/42		5,096		5,223,961
4.30%, 03/15/43		1,108		1,121,396
5.40%, 06/01/40		1,905		2,209,190
5.95%, 02/01/39		175		214,036
Series 07-A
5.65%, 03/01/37		650		748,417
Series 10-C
4.75%, 09/01/40		825		885,374
Great Plains Energy Inc.
4.85%, 06/01/21 (Call 03/01/21)		2,001		2,084,362
5.29%, 06/15/22 (Call 03/15/22)^b		1,150		1,223,370


Security	Principal (000s)		Value
Gulf Power Co.
3.30%, 05/30/27 (Call 02/28/27)	$	500	$	485,895
Iberdrola International BV
6.75%, 07/15/36		1,190		1,494,426
Indiana Michigan Power Co.
6.05%, 03/15/37		215		266,007
7.00%, 03/15/19		2,622		2,735,480
Series J
3.20%, 03/15/23 (Call 12/15/22)		1,500		1,490,985
Series K
4.55%, 03/15/46 (Call 09/15/45)		2,780		2,985,053
Series L
3.75%, 07/01/47 (Call 01/01/47)		1,000		945,190
Integrys Holding Inc.
4.17%, 11/01/20		850		873,018
Interstate Power & Light Co.
3.40%, 08/15/25 (Call 05/15/25)		1,475		1,443,479
3.70%, 09/15/46 (Call 03/15/46)		1,400		1,311,618
4.70%, 10/15/43 (Call 04/15/43)		150		159,825
6.25%, 07/15/39		40		50,841
ITC Holdings Corp.
2.70%, 11/15/22 (Call 10/15/22)^c		680		662,796
3.25%, 06/30/26 (Call 03/30/26)		250		240,580
3.35%, 11/15/27 (Call 08/15/27)^c		1,550		1,490,185
3.65%, 06/15/24 (Call 03/15/24)		300		301,812
4.05%, 07/01/23 (Call 04/01/23)^d		150		154,307
5.30%, 07/01/43 (Call 01/01/43)		100		113,819
Jersey Central Power & Light Co.
6.15%, 06/01/37		1,050		1,271,392


Security	Principal (000s)		Value
Kansas City Power & Light Co.
3.15%, 03/15/23 (Call 12/15/22)	$	25	$	24,791
3.65%, 08/15/25 (Call 05/15/25)		1,000		999,120
4.20%, 06/15/47 (Call 12/15/46)		1,100		1,100,880
4.20%, 03/15/48 (Call 09/15/47)		900		908,064
5.30%, 10/01/41 (Call 04/01/41)		1,570		1,810,084
Kentucky Utilities Co.
3.25%, 11/01/20 (Call 08/01/20)		325		328,790
3.30%, 10/01/25 (Call 07/01/25)		1,000		988,190
4.38%, 10/01/45 (Call 04/01/45)		1,550		1,612,000
5.13%, 11/01/40 (Call 05/01/40)		1,081		1,261,365
LG&E & KU Energy LLC
3.75%, 11/15/20 (Call 08/15/20)		1,100		1,120,229
4.38%, 10/01/21 (Call 07/01/21)		2,475		2,567,837
Louisville Gas & Electric Co.
4.38%, 10/01/45 (Call 04/01/45)		1,375		1,442,141
4.65%, 11/15/43 (Call 05/15/43)		25		27,054
Series 25
3.30%, 10/01/25 (Call 07/01/25)		1,100		1,086,932
MidAmerican Energy Co.
2.40%, 03/15/19 (Call 02/15/19)		600		598,728
3.10%, 05/01/27 (Call 02/01/27)		1,150		1,113,464
3.50%, 10/15/24 (Call 07/15/24)		3,125		3,179,969
3.65%, 08/01/48 (Call 02/01/48)		1,000		946,370
3.70%, 09/15/23 (Call 06/15/23)		2,800		2,843,568


Security	Principal (000s)		Value
3.95%, 08/01/47 (Call 02/01/47)	$	1,175	$	1,178,772
4.25%, 05/01/46 (Call 11/01/45)		700		733,117
4.40%, 10/15/44 (Call 04/15/44)		275		294,088
4.80%, 09/15/43 (Call 03/15/43)		520		588,146
5.80%, 10/15/36		628		778,287
6.75%, 12/30/31		35		45,626
Mississippi Power Co.
Series 12-A
4.25%, 03/15/42		2,375		2,192,410
Nevada Power Co.
5.45%, 05/15/41 (Call 11/15/40)		2,905		3,402,133
7.13%, 03/15/19		1,290		1,349,753
Series R
6.75%, 07/01/37		500		674,935
NextEra Energy Capital Holdings Inc.
2.30%, 04/01/19		2,525		2,514,546
2.40%, 09/15/19 (Call 08/15/19)		1,195		1,188,750
2.70%, 09/15/19 (Call 08/15/19)		2,225		2,222,864
2.80%, 01/15/23 (Call 12/15/22)		1,505		1,479,234
3.55%, 05/01/27 (Call 02/01/27)		2,561		2,507,834
3.63%, 06/15/23 (Call 03/15/23)		250		251,463
4.50%, 06/01/21 (Call 03/01/21)		143		148,624
(3 mo. LIBOR US + 2.409%)
4.80%, 12/01/77 (Call 12/01/27)^e		50		49,387
Northern States Power Co./MN
2.15%, 08/15/22 (Call 02/15/22)		2,755		2,653,836
2.20%, 08/15/20 (Call 07/15/20)		490		483,777
2.60%, 05/15/23 (Call 11/15/22)		1,000		976,360


Security	Principal (000s)		Value
3.40%, 08/15/42 (Call 02/15/42)	$	450	$	416,826
3.60%, 05/15/46 (Call 11/15/45)		206		194,297
4.00%, 08/15/45 (Call 02/15/45)		670		673,926
4.13%, 05/15/44 (Call 11/15/43)		510		523,449
4.85%, 08/15/40 (Call 02/15/40)		65		72,269
5.35%, 11/01/39		265		314,876
6.20%, 07/01/37		125		161,868
6.25%, 06/01/36		835		1,075,722
NorthWestern Corp.
4.18%, 11/15/44 (Call 05/15/44)		1,730		1,752,127
NSTAR Electric Co.
2.38%, 10/15/22 (Call 07/15/22)		1,366		1,320,840
2.70%, 06/01/26 (Call 03/01/26)		950		887,395
3.20%, 05/15/27 (Call 02/15/27)		1,755		1,706,141
3.25%, 11/15/25 (Call 08/15/25)		1,360		1,325,021
4.40%, 03/01/44 (Call 09/01/43)		1,350		1,445,755
5.50%, 03/15/40		100		120,508
Oglethorpe Power Corp.
4.20%, 12/01/42		150		142,812
4.25%, 04/01/46 (Call 10/01/45)		1,550		1,442,848
4.55%, 06/01/44		1,883		1,844,624
5.38%, 11/01/40		970		1,088,495
6.10%, 03/15/19		700		722,855
Ohio Edison Co.
6.88%, 07/15/36		640		838,355
8.25%, 10/15/38		900		1,323,495
Ohio Power Co.
6.05%, 05/01/18		250		251,443
Series G 6.60%, 02/15/33		30		39,302
Series M 5.38%, 10/01/21		458		495,304


Security	Principal (000s)		Value
Oklahoma Gas & Electric Co.
3.85%, 08/15/47 (Call 02/15/47)	$	1,525	$	1,501,179
4.15%, 04/01/47 (Call 10/01/46)		900		927,810
Oncor Electric Delivery Co. LLC
2.15%, 06/01/19 (Call 05/01/19)		7,085		7,019,676
2.95%, 04/01/25 (Call 01/01/25)		100		96,743
3.75%, 04/01/45 (Call 10/01/44)		470		450,998
3.80%, 09/30/47 (Call 03/30/47)^c		400		386,736
4.10%, 06/01/22 (Call 03/01/22)		525		542,561
4.55%, 12/01/41 (Call 06/01/41)		445		482,629
5.25%, 09/30/40		765		903,274
5.30%, 06/01/42 (Call 12/01/41)		1,748		2,079,211
7.00%, 09/01/22		4,843		5,591,050
7.00%, 05/01/32		350		462,228
7.25%, 01/15/33		545		748,116
7.50%, 09/01/38		1,244		1,792,716
Pacific Gas & Electric Co.
2.45%, 08/15/22 (Call 05/15/22)		615		591,396
2.95%, 03/01/26 (Call 12/01/25)		2,225		2,075,280
3.25%, 09/15/21 (Call 06/15/21)		1,250		1,253,312
3.25%, 06/15/23 (Call 03/15/23)		7,000		6,912,850
3.30%, 03/15/27 (Call 12/15/26)		250		237,055
3.30%, 12/01/27 (Call 09/01/27)^c		1,050		994,266
3.40%, 08/15/24 (Call 05/15/24)		3,430		3,387,331
3.50%, 10/01/20 (Call 07/01/20)		4,725		4,781,275
3.50%, 06/15/25 (Call 03/15/25)		6,340		6,206,163


Security	Principal (000s)		Value
3.75%, 02/15/24 (Call 11/15/23)	$	4,450	$	4,487,602
3.85%, 11/15/23 (Call 08/15/23)		200		203,210
3.95%, 12/01/47 (Call 06/01/47)^c		1,000		900,270
4.00%, 12/01/46 (Call 06/01/46)		2,750		2,534,620
4.25%, 05/15/21 (Call 02/15/21)		309		318,539
4.25%, 03/15/46 (Call 09/15/45)		6,690		6,371,957
4.30%, 03/15/45 (Call 09/15/44)		835		801,767
4.45%, 04/15/42 (Call 10/15/41)		395		391,931
4.50%, 12/15/41 (Call 06/15/41)		430		441,116
4.60%, 06/15/43 (Call 12/15/42)		1,585		1,598,298
4.75%, 02/15/44 (Call 08/15/43)		2,340		2,378,704
5.13%, 11/15/43 (Call 05/15/43)		1,400		1,500,366
5.40%, 01/15/40		925		1,028,748
5.80%, 03/01/37		2,240		2,592,800
6.05%, 03/01/34		6,923		8,105,171
6.25%, 03/01/39		25		30,447
6.35%, 02/15/38		355		434,488
PacifiCorp
2.95%, 02/01/22 (Call 11/01/21)		200		199,986
3.35%, 07/01/25 (Call 04/01/25)		1,595		1,579,018
3.60%, 04/01/24 (Call 01/01/24)		1,700		1,729,155
3.85%, 06/15/21 (Call 03/15/21)		1,355		1,393,550
4.10%, 02/01/42 (Call 08/01/41)		2,415		2,466,439
6.00%, 01/15/39		990		1,275,308
6.10%, 08/01/36		165		209,769
6.25%, 10/15/37		124		161,364


Security	Principal (000s)		Value
PECO Energy Co.
1.70%, 09/15/21 (Call 08/15/21)	$	2,000	$	1,916,080
2.38%, 09/15/22 (Call 06/15/22)		935		908,998
3.15%, 10/15/25 (Call 07/15/25)		6,400		6,261,952
3.70%, 09/15/47 (Call 03/15/47)		425		406,479
4.15%, 10/01/44 (Call 04/01/44)		335		343,633
4.80%, 10/15/43 (Call 04/15/43)		900		1,005,012
5.95%, 10/01/36		630		789,491
Pennsylvania Electric Co.
6.15%, 10/01/38		100		119,169
Portland General Electric Co.
6.10%, 04/15/19		1,200		1,244,580
Potomac Electric Power Co.
3.60%, 03/15/24 (Call 12/15/23)		3,500		3,562,195
4.15%, 03/15/43 (Call 09/15/42)		1,250		1,284,025
7.90%, 12/15/38		525		776,260
PPL Capital Funding Inc.
3.10%, 05/15/26 (Call 02/15/26)		1,350		1,283,350
3.40%, 06/01/23 (Call 03/01/23)		205		204,537
3.95%, 03/15/24 (Call 12/15/23)		558		569,629
4.20%, 06/15/22 (Call 03/15/22)		3,498		3,614,239
4.70%, 06/01/43 (Call 12/01/42)		225		237,467
5.00%, 03/15/44 (Call 09/15/43)		2,600		2,846,454
PPL Electric Utilities Corp.
3.00%, 09/15/21 (Call 06/15/21)		2,200		2,204,620
3.95%, 06/01/47 (Call 12/01/46)		2,000		1,994,720
4.15%, 10/01/45 (Call 04/01/45)		1,050		1,080,103


Security	Principal (000s)		Value
5.20%, 07/15/41 (Call 01/15/41)	$	390	$	447,591
6.25%, 05/15/39		1,500		1,975,995
Progress Energy Inc.
3.15%, 04/01/22 (Call 01/01/22)		2,146		2,136,236
4.40%, 01/15/21 (Call 10/15/20)		2,150		2,224,153
4.88%, 12/01/19		400		413,376
6.00%, 12/01/39		2,375		2,954,524
7.05%, 03/15/19		1,050		1,096,231
7.75%, 03/01/31		275		374,033
PSEG Power LLC
3.00%, 06/15/21 (Call 05/15/21)		1,450		1,447,636
4.15%, 09/15/21 (Call 06/15/21)		1,525		1,564,467
4.30%, 11/15/23 (Call 08/15/23)		80		83,013
5.13%, 04/15/20		300		313,713
8.63%, 04/15/31		1,200		1,565,424
Public Service Co. of Colorado
2.25%, 09/15/22 (Call 03/15/22)		3,250		3,127,377
2.90%, 05/15/25 (Call 11/15/24)		3,040		2,915,299
3.20%, 11/15/20 (Call 05/15/20)		8		8,078
3.55%, 06/15/46 (Call 12/15/45)		3,356		3,074,801
3.60%, 09/15/42 (Call 03/15/42)		226		213,428
3.80%, 06/15/47 (Call 12/15/46)		2,950		2,873,447
4.30%, 03/15/44 (Call 09/15/43)		2,755		2,896,249
4.75%, 08/15/41 (Call 02/15/41)		396		432,285
5.13%, 06/01/19		2,380		2,451,210
6.25%, 09/01/37		25		32,475
Public Service Co. of Oklahoma
4.40%, 02/01/21		1,400		1,452,080


Security	Principal (000s)		Value
Public Service Electric & Gas Co.
1.90%, 03/15/21 (Call 02/15/21)	$	1,265	$	1,229,985
2.00%, 08/15/19 (Call 07/15/19)		900		891,468
2.25%, 09/15/26 (Call 06/15/26)		2,250		2,051,932
2.38%, 05/15/23 (Call 02/15/23)		1,600		1,542,144
3.00%, 05/15/27 (Call 02/15/27)		1,000		957,610
3.05%, 11/15/24 (Call 08/15/24)		1,075		1,058,542
3.15%, 08/15/24 (Call 05/15/24)		1,220		1,203,298
3.60%, 12/01/47 (Call 06/01/47)		1,665		1,573,575
3.65%, 09/01/42 (Call 03/01/42)		1,775		1,705,580
3.80%, 01/01/43 (Call 07/01/42)		295		289,059
3.80%, 03/01/46 (Call 09/01/45)		1,920		1,882,464
4.05%, 05/01/45 (Call 11/01/44)		1,030		1,034,656
4.15%, 11/01/45 (Call 05/01/45)		925		942,668
5.38%, 11/01/39		925		1,093,174
5.50%, 03/01/40		21		25,600
5.80%, 05/01/37		183		225,386
Series I
1.80%, 06/01/19 (Call 05/01/19)		190		188,026
4.00%, 06/01/44 (Call 12/01/43)		1,170		1,165,694
Public Service Enterprise Group Inc.
2.00%, 11/15/21 (Call 10/15/21)		2,000		1,913,800
2.65%, 11/15/22 (Call 10/15/22)		750		729,758


Security	Principal (000s)		Value
Puget Energy Inc.
3.65%, 05/15/25 (Call 02/15/25)	$	7,923	$	7,901,449
5.63%, 07/15/22 (Call 04/15/22)		450		487,890
6.00%, 09/01/21		515		560,124
Puget Sound Energy Inc.
4.30%, 05/20/45 (Call 11/20/44)		5		5,242
4.43%, 11/15/41 (Call 05/15/41)		1,400		1,482,348
5.76%, 10/01/39		565		695,187
5.76%, 07/15/40		200		243,536
5.80%, 03/15/40		465		581,055
6.27%, 03/15/37		500		644,640
7.02%, 12/01/27		65		80,011
San Diego Gas & Electric Co.
2.50%, 05/15/26 (Call 02/15/26)		1,650		1,536,810
3.00%, 08/15/21		495		497,272
3.95%, 11/15/41		1,875		1,866,675
4.30%, 04/01/42 (Call 10/01/41)		20		20,779
4.50%, 08/15/40		126		137,815
6.00%, 06/01/26		455		524,883
6.00%, 06/01/39		500		640,085
Series NNN
3.60%, 09/01/23 (Call 06/01/23)		1,000		1,022,530
Series RRR
3.75%, 06/01/47 (Call 12/01/46)		2,400		2,336,544
Sierra Pacific Power Co.
2.60%, 05/01/26 (Call 02/01/26)		4,750		4,445,905
South Carolina Electric & Gas Co.
4.10%, 06/15/46 (Call 12/15/45)		3,475		3,318,104
4.35%, 02/01/42 (Call 08/01/41)		1,454		1,441,685
4.50%, 06/01/64 (Call 12/01/63)		215		203,457


Security	Principal (000s)		Value
4.60%, 06/15/43 (Call 12/15/42)	$	420	$	430,760
5.10%, 06/01/65 (Call 12/01/64)		160		167,250
5.30%, 05/15/33		15		16,460
5.45%, 02/01/41 (Call 08/01/40)		815		910,094
6.05%, 01/15/38		1,250		1,491,650
Southern California Edison Co.
1.85%, 02/01/22		220		215,514
3.88%, 06/01/21 (Call 03/01/21)		2,910		2,992,848
4.00%, 04/01/47 (Call 10/01/46)		2,715		2,722,548
4.05%, 03/15/42 (Call 09/15/41)		200		201,762
4.50%, 09/01/40 (Call 03/01/40)		440		469,247
4.65%, 10/01/43 (Call 04/01/43)		3,476		3,794,367
5.50%, 03/15/40		752		918,124
5.63%, 02/01/36		425		508,024
5.75%, 04/01/35		200		242,412
6.00%, 01/15/34		25		30,789
6.05%, 03/15/39		4,927		6,307,447
6.65%, 04/01/29		25		30,333
Series 05-E
5.35%, 07/15/35		850		992,715
Series 06-E
5.55%, 01/15/37		315		376,800
Series 08-A
5.95%, 02/01/38		375		472,253
Series 13-A
3.90%, 03/15/43 (Call 09/15/42)		290		286,175
Series C
3.60%, 02/01/45 (Call 08/01/44)		2,200		2,057,814
Southern Co. (The)
1.85%, 07/01/19		3,449		3,410,509
2.15%, 09/01/19 (Call 08/01/19)		2,765		2,741,138
2.35%, 07/01/21 (Call 06/01/21)		5,301		5,153,632


Security	Principal (000s)		Value
2.75%, 06/15/20 (Call 05/15/20)	$	7,255	$	7,209,801
2.95%, 07/01/23 (Call 05/01/23)		6,558		6,368,277
3.25%, 07/01/26 (Call 04/01/26)		7,820		7,445,735
4.25%, 07/01/36 (Call 01/01/36)		2,423		2,431,262
4.40%, 07/01/46 (Call 01/01/46)		3,717		3,726,032
Series B
(3 mo. LIBOR US + 3.630%)
5.50%, 03/15/57 (Call 03/15/22)^e		553		572,421
Southern Power Co.
1.95%, 12/15/19		2,025		1,991,203
2.38%, 06/01/20 (Call 05/01/20)		520		513,016
2.50%, 12/15/21 (Call 11/15/21)		2,200		2,139,500
4.15%, 12/01/25 (Call 09/01/25)		2,750		2,827,550
5.15%, 09/15/41		1,730		1,867,881
5.25%, 07/15/43		250		271,378
Series F
4.95%, 12/15/46 (Call 06/15/46)		500		528,000
Southwestern Electric Power Co.
3.55%, 02/15/22 (Call 11/15/21)		840		847,577
3.90%, 04/01/45 (Call 10/01/44)		2,242		2,153,531
Series K
2.75%, 10/01/26 (Call 07/01/26)		1,505		1,403,548
Series L
3.85%, 02/01/48 (Call 08/01/47)		1,250		1,194,625
Southwestern Public Service Co.
3.40%, 08/15/46 (Call 02/15/46)		250		225,248


Security	Principal (000s)		Value
3.70%, 08/15/47 (Call 02/15/47)	$	1,850	$	1,764,622
4.50%, 08/15/41 (Call 02/15/41)		525		562,307
6.00%, 10/01/36		75		90,431
System Energy Resources Inc.
4.10%, 04/01/23 (Call 01/01/23)		800		816,160
Tampa Electric Co.
2.60%, 09/15/22 (Call 06/15/22)		3,310		3,183,426
4.10%, 06/15/42 (Call 12/15/41)		341		330,617
4.20%, 05/15/45 (Call 11/15/44)		25		24,264
4.35%, 05/15/44 (Call 11/15/43)		1,710		1,724,039
6.10%, 05/15/18		150		151,163
6.15%, 05/15/37		14		17,202
TECO Finance Inc.
5.15%, 03/15/20		440		457,560
Toledo Edison Co. (The)
6.15%, 05/15/37		3,305		4,095,688
TransAlta Corp.
4.50%, 11/15/22 (Call 08/15/22)		1,700		1,721,760
6.50%, 03/15/40		125		123,566
Tucson Electric Power Co.
3.05%, 03/15/25 (Call 12/15/24)		75		71,942
5.15%, 11/15/21 (Call 08/15/21)		1,430		1,519,875
UIL Holdings Corp.
4.63%, 10/01/20		800		828,512
Union Electric Co.
2.95%, 06/15/27 (Call 03/15/27)		1,875		1,799,681
3.50%, 04/15/24 (Call 01/15/24)		1,700		1,724,837
3.65%, 04/15/45 (Call 10/15/44)		210		201,543
3.90%, 09/15/42 (Call 03/15/42)		260		258,365
8.45%, 03/15/39		35		54,444


Security	Principal (000s)		Value
Virginia Electric & Power Co.
2.75%, 03/15/23 (Call 12/15/22)	$	373	$	364,887
2.95%, 01/15/22 (Call 10/15/21)		800		795,136
2.95%, 11/15/26 (Call 08/15/26)		835		796,331
3.10%, 05/15/25 (Call 02/15/25)		1,000		976,480
3.45%, 02/15/24 (Call 11/15/23)		200		201,276
4.00%, 01/15/43 (Call 07/15/42)		290		287,616
4.00%, 11/15/46 (Call 05/15/46)		480		478,190
4.20%, 05/15/45 (Call 11/15/44)		1,145		1,173,705
4.45%, 02/15/44 (Call 08/15/43)		912		971,499
6.35%, 11/30/37		770		999,237
8.88%, 11/15/38		2,487		4,086,638
Series A
3.15%, 01/15/26 (Call 10/15/25)		1,020		994,123
3.50%, 03/15/27 (Call 12/15/26)		1,105		1,097,939
6.00%, 05/15/37		1,110		1,390,719
Series B
3.80%, 09/15/47 (Call 03/15/47)		1,255		1,211,464
6.00%, 01/15/36		875		1,086,137
Series D
4.65%, 08/15/43 (Call 02/15/43)		3,165		3,455,357
WEC Energy Group Inc.
2.45%, 06/15/20 (Call 05/15/20)		340		337,413
3.55%, 06/15/25 (Call 03/15/25)		1,655		1,655,232
Westar Energy Inc.
2.55%, 07/01/26 (Call 04/01/26)		1,250		1,163,137
3.10%, 04/01/27 (Call 01/01/27)		1,350		1,308,879


Security	Principal (000s)		Value
3.25%, 12/01/25 (Call 09/01/25)	$	1,275	$	1,243,979
4.10%, 04/01/43 (Call 10/01/42)		260		264,108
4.13%, 03/01/42 (Call 09/01/41)		607		615,456
4.25%, 12/01/45 (Call 06/01/45)		2,515		2,615,550
Wisconsin Electric Power Co.
2.95%, 09/15/21 (Call 06/15/21)		1,150		1,150,287
3.10%, 06/01/25 (Call 03/01/25)		1,845		1,799,687
3.65%, 12/15/42 (Call 06/15/42)		15		13,969
4.25%, 12/15/19		100		102,666
4.25%, 06/01/44 (Call 12/01/43)		480		493,507
4.30%, 12/15/45 (Call 06/15/45)		1,115		1,147,123
5.70%, 12/01/36		140		169,151
Wisconsin Power & Light Co.
3.05%, 10/15/27 (Call 07/15/27)		965		930,009
4.10%, 10/15/44 (Call 04/15/44)		2,850		2,840,994
5.00%, 07/15/19		50		51,536
6.38%, 08/15/37		65		84,257
Wisconsin Public Service Corp.
3.67%, 12/01/42		93		88,279
4.75%, 11/01/44 (Call 05/01/44)		340		381,861
Xcel Energy Inc.
2.40%, 03/15/21 (Call 02/15/21)		2,225		2,187,865
2.60%, 03/15/22 (Call 02/15/22)		1,505		1,473,831
3.30%, 06/01/25 (Call 12/01/24)		914		897,393
3.35%, 12/01/26 (Call 06/01/26)		2,100		2,056,467
4.70%, 05/15/20 (Call 11/15/19)		475		489,763


Security	Principal (000s)		Value
4.80%, 09/15/41 (Call 03/15/41)	$	65	$	70,452
6.50%, 07/01/36		350		454,937

				915,334,834
ELECTRICAL COMPONENTS & EQUIPMENT — 0.02%
Emerson Electric Co.
2.63%, 12/01/21 (Call 11/01/21)		60		59,418
3.15%, 06/01/25 (Call 03/01/25)		3,205		3,166,732
4.25%, 11/15/20		1,825		1,894,149
5.25%, 11/15/39		1,250		1,452,500
6.00%, 08/15/32		15		18,143
6.13%, 04/15/39		35		43,732
Hubbell Inc.
3.35%, 03/01/26 (Call 12/01/25)		1,400		1,369,438
3.50%, 02/15/28 (Call 11/15/27)		1,310		1,278,717
Legrand France SA
8.50%, 02/15/25		1,050		1,325,604

				10,608,433
ELECTRONICS — 0.18%
Agilent Technologies Inc.
3.05%, 09/22/26 (Call 06/22/26)		1,470		1,369,614
3.20%, 10/01/22 (Call 07/01/22)		350		346,469
3.88%, 07/15/23 (Call 04/15/23)		3,100		3,150,313
5.00%, 07/15/20		569		595,715
Allegion U.S. Holding Co. Inc.
3.20%, 10/01/24 (Call 08/01/24)		1,775		1,716,585
3.55%, 10/01/27 (Call 07/01/27)		635		609,625
Amphenol Corp.
2.20%, 04/01/20		600		593,604
3.13%, 09/15/21 (Call 08/15/21)		1,075		1,076,774
3.20%, 04/01/24 (Call 02/01/24)		935		915,861


Security	Principal (000s)		Value
4.00%, 02/01/22 (Call 11/01/21)	$	400	$	410,036
Arrow Electronics Inc.
3.25%, 09/08/24 (Call 07/08/24)		675		646,967
3.50%, 04/01/22 (Call 02/01/22)		2,250		2,238,772
3.88%, 01/12/28 (Call 10/12/27)		1,185		1,152,555
4.00%, 04/01/25 (Call 01/01/25)		2,135		2,122,339
4.50%, 03/01/23 (Call 12/01/22)		950		978,671
Avnet Inc.
4.63%, 04/15/26 (Call 01/15/26)		900		910,593
4.88%, 12/01/22		3,150		3,278,047
5.88%, 06/15/20		200		210,734
Corning Inc.
2.90%, 05/15/22 (Call 03/15/22)		1,925		1,901,303
3.70%, 11/15/23 (Call 08/15/23)		175		176,675
4.25%, 08/15/20		5,000		5,152,450
4.70%, 03/15/37		150		160,185
4.75%, 03/15/42		2,500		2,654,025
5.75%, 08/15/40		2,174		2,545,602
6.63%, 05/15/19		1,150		1,200,956
Flex Ltd.
4.63%, 02/15/20		4,250		4,372,230
4.75%, 06/15/25 (Call 03/15/25)		1,050		1,093,312
5.00%, 02/15/23		260		274,102
FLIR Systems Inc.
3.13%, 06/15/21 (Call 05/15/21)		1,400		1,394,078
Fortive Corp.
1.80%, 06/15/19		1,460		1,443,925
2.35%, 06/15/21 (Call 05/15/21)		1,475		1,436,989
3.15%, 06/15/26 (Call 03/15/26)		4,765		4,608,851
4.30%, 06/15/46 (Call 12/15/45)		1,535		1,548,769


Security	Principal (000s)		Value
Honeywell International Inc.
1.40%, 10/30/19	$	1,205	$	1,182,189
1.80%, 10/30/19		1,275		1,259,815
1.85%, 11/01/21 (Call 10/01/21)		3,970		3,824,023
2.50%, 11/01/26 (Call 08/01/26)		5,111		4,723,893
3.81%, 11/21/47 (Call 05/21/47)		2,447		2,390,327
4.25%, 03/01/21		2,700		2,820,015
Jabil Inc.
3.95%, 01/12/28 (Call 10/12/27)		2,150		2,063,978
4.70%, 09/15/22		621		642,859
5.63%, 12/15/20		1,450		1,538,363
Keysight Technologies Inc.
3.30%, 10/30/19 (Call 09/30/19)		25		25,080
4.55%, 10/30/24 (Call 07/30/24)		2,310		2,393,737
4.60%, 04/06/27 (Call 01/06/27)		2,750		2,836,955
Koninklijke Philips NV
3.75%, 03/15/22		4,910		5,011,637
5.00%, 03/15/42		2,538		2,808,703
PerkinElmer Inc.
5.00%, 11/15/21 (Call 08/15/21)		2,660		2,786,190
Tech Data Corp.
3.70%, 02/15/22 (Call 01/15/22)		950		943,132
4.95%, 02/15/27 (Call 11/16/26)		880		901,657
Trimble Inc.
4.75%, 12/01/24 (Call 09/01/24)		5,600		5,869,920
Tyco Electronics Group SA
2.35%, 08/01/19 (Call 07/01/19)		555		552,192
3.13%, 08/15/27 (Call 05/15/27)		395		381,211
3.45%, 08/01/24 (Call 05/01/24)		545		549,682


Security	Principal (000s)		Value
3.70%, 02/15/26 (Call 11/15/25)	$	675	$	682,810
4.88%, 01/15/21		65		68,140
7.13%, 10/01/37		25		34,468

				98,577,702
ENGINEERING & CONSTRUCTION — 0.02%
ABB Finance USA Inc.
2.88%, 05/08/22		3,665		3,652,209
4.38%, 05/08/42		1,315		1,354,240
Fluor Corp.
3.38%, 09/15/21		1,400		1,412,838
3.50%, 12/15/24 (Call 09/15/24)		2,465		2,476,092

				8,895,379
ENVIRONMENTAL CONTROL — 0.05%
Republic Services Inc.
2.90%, 07/01/26 (Call 04/01/26)		1,455		1,373,069
3.20%, 03/15/25 (Call 12/15/24)		2,250		2,196,922
3.38%, 11/15/27 (Call 08/15/27)		1,607		1,558,726
3.55%, 06/01/22 (Call 03/01/22)		1,888		1,907,371
3.80%, 05/15/18		500		501,370
4.75%, 05/15/23 (Call 02/15/23)		2,025		2,149,031
5.00%, 03/01/20		365		380,224
5.25%, 11/15/21		618		661,686
5.50%, 09/15/19		1,950		2,031,685
Waste Management Holdings Inc.
7.10%, 08/01/26		200		248,402
Waste Management Inc.
2.40%, 05/15/23 (Call 03/15/23)		250		240,093
2.90%, 09/15/22 (Call 06/15/22)		700		693,112
3.13%, 03/01/25 (Call 12/01/24)		2,010		1,962,926
3.15%, 11/15/27 (Call 08/15/27)		1,550		1,478,607


Security	Principal (000s)		Value
3.50%, 05/15/24 (Call 02/15/24)	$	3,450	$	3,469,699
3.90%, 03/01/35 (Call 09/01/34)		1,350		1,349,960
4.10%, 03/01/45 (Call 09/01/44)		3,243		3,225,553
4.75%, 06/30/20		718		748,386
6.13%, 11/30/39		250		315,208

				26,492,030
FOOD — 0.37%
Ahold Finance USA LLC
6.88%, 05/01/29		310		371,985
Campbell Soup Co.
2.50%, 08/02/22		100		96,656
3.30%, 03/19/25 (Call 12/19/24)		1,540		1,513,681
3.80%, 08/02/42		165		146,992
4.25%, 04/15/21		2,435		2,512,920
Conagra Brands Inc.
3.20%, 01/25/23 (Call 10/25/22)		1,995		1,981,314
3.25%, 09/15/22		3,763		3,762,210
7.00%, 10/01/28		515		619,576
7.13%, 10/01/26		349		416,894
8.25%, 09/15/30		60		80,381
Delhaize America LLC
9.00%, 04/15/31		15		20,544
Flowers Foods Inc.
3.50%, 10/01/26 (Call 07/01/26)		1,050		999,653
4.38%, 04/01/22 (Call 01/01/22)		250		258,355
General Mills Inc.
2.60%, 10/12/22 (Call 09/12/22)		2,125		2,053,090
3.15%, 12/15/21 (Call 09/15/21)		605		604,867
3.20%, 02/10/27 (Call 11/10/26)		1,250		1,191,988
3.65%, 02/15/24 (Call 11/15/23)		2,325		2,371,616
4.15%, 02/15/43 (Call 08/15/42)		345		333,049


Security	Principal (000s)		Value
5.40%, 06/15/40	$	3,380	$	3,862,191
Hershey Co. (The)
2.30%, 08/15/26 (Call 05/15/26)		2,312		2,102,070
3.20%, 08/21/25 (Call 05/21/25)		55		54,193
4.13%, 12/01/20		1,510		1,566,414
Ingredion Inc.
3.20%, 10/01/26 (Call 07/01/26)		1,920		1,827,955
4.63%, 11/01/20		1,500		1,557,480
JM Smucker Co. (The)
2.20%, 12/06/19		75		74,420
2.50%, 03/15/20		2,265		2,250,708
3.38%, 12/15/27 (Call 09/15/27)		225		215,888
3.50%, 03/15/25		4,570		4,533,623
4.25%, 03/15/35		1,945		1,958,751
4.38%, 03/15/45		674		670,354
Kellogg Co.
2.65%, 12/01/23		2,325		2,258,668
3.25%, 05/21/18		1,800		1,801,224
3.25%, 04/01/26		1,210		1,156,022
3.40%, 11/15/27 (Call 08/15/27)		400		382,228
4.00%, 12/15/20		2,249		2,310,150
4.15%, 11/15/19		350		357,935
4.50%, 04/01/46		710		704,739
Series B
7.45%, 04/01/31		3,050		3,915,803
Koninklijke Ahold Delhaize NV
5.70%, 10/01/40		565		637,783
Kraft Heinz Foods Co.
2.80%, 07/02/20 (Call 06/02/20)		1,790		1,779,833
3.00%, 06/01/26 (Call 03/01/26)		5,924		5,452,568
3.50%, 06/06/22		11,268		11,281,071
3.50%, 07/15/22 (Call 05/15/22)		3,966		3,962,629
3.95%, 07/15/25 (Call 04/15/25)		5,770		5,711,261
4.38%, 06/01/46 (Call 12/01/45)		5,545		5,066,799


Security	Principal (000s)		Value
5.00%, 07/15/35 (Call 01/15/35)	$	7,255	$	7,548,537
5.00%, 06/04/42		7,088		7,051,142
5.20%, 07/15/45 (Call 01/15/45)		5,164		5,261,651
5.38%, 02/10/20		3,450		3,600,420
6.50%, 02/09/40		2,597		3,083,860
6.88%, 01/26/39		4,830		5,947,903
Kroger Co. (The)
1.50%, 09/30/19		1,150		1,126,678
2.60%, 02/01/21 (Call 01/01/21)		1,940		1,916,739
2.65%, 10/15/26 (Call 07/15/26)^d		2,630		2,374,364
2.80%, 08/01/22 (Call 07/01/22)		925		904,530
2.95%, 11/01/21 (Call 10/01/21)		2,176		2,162,574
3.30%, 01/15/21 (Call 12/15/20)		435		437,928
3.70%, 08/01/27 (Call 05/01/27)		450		436,032
3.85%, 08/01/23 (Call 05/01/23)		2,505		2,557,204
3.88%, 10/15/46 (Call 04/15/46)		1,900		1,641,657
4.00%, 02/01/24 (Call 11/01/23)		3,280		3,346,322
4.45%, 02/01/47 (Call 08/01/46)^d		4,285		4,023,186
4.65%, 01/15/48 (Call 07/15/47)		600		579,798
5.00%, 04/15/42 (Call 10/15/41)		410		414,494
5.15%, 08/01/43 (Call 02/01/43)		135		139,339
5.40%, 07/15/40 (Call 01/15/40)		2,855		3,025,672
6.15%, 01/15/20		390		412,706
6.90%, 04/15/38		2,658		3,305,276
7.50%, 04/01/31		685		864,977
8.00%, 09/15/29		260		333,029


Security	Principal (000s)		Value
Series B
7.70%, 06/01/29	$	1,150	$	1,435,959
McCormick & Co. Inc./MD
2.70%, 08/15/22 (Call 07/15/22)		890		871,399
3.15%, 08/15/24 (Call 06/15/24)		2,000		1,959,960
3.40%, 08/15/27 (Call 05/15/27)		2,050		1,989,422
4.20%, 08/15/47 (Call 02/15/47)		1,840		1,821,379
Sysco Corp.
1.90%, 04/01/19		2,810		2,789,122
2.50%, 07/15/21 (Call 06/15/21)		1,088		1,070,646
2.60%, 10/01/20 (Call 09/01/20)		1,725		1,712,684
2.60%, 06/12/22		1,830		1,787,452
3.25%, 07/15/27 (Call 04/15/27)		4,725		4,560,475
3.30%, 07/15/26 (Call 04/15/26)		1,883		1,832,554
3.75%, 10/01/25 (Call 07/01/25)		1,520		1,536,644
4.50%, 04/01/46 (Call 10/01/45)		1,030		1,053,711
4.85%, 10/01/45 (Call 04/01/45)		2,035		2,187,666
5.38%, 09/21/35		2,150		2,440,228
6.63%, 03/17/39		1,443		1,851,672
Tyson Foods Inc.
2.25%, 08/23/21 (Call 07/23/21)		975		947,408
2.65%, 08/15/19 (Call 07/15/19)		4,305		4,294,668
3.55%, 06/02/27 (Call 03/02/27)		4,325		4,214,583
3.95%, 08/15/24 (Call 05/15/24)		3,147		3,200,593
4.50%, 06/15/22 (Call 03/15/22)		4,143		4,327,778
4.55%, 06/02/47 (Call 12/02/46)		490		496,973


Security	Principal (000s)		Value
4.88%, 08/15/34 (Call 02/15/34)	$	2,500	$	2,685,625
5.15%, 08/15/44 (Call 02/15/44)		674		746,051

				201,099,201
FOREST PRODUCTS & PAPER — 0.07%
Domtar Corp.
4.40%, 04/01/22 (Call 01/01/22)		1,150		1,189,710
6.75%, 02/15/44 (Call 08/15/43)		415		466,356
Fibria Overseas Finance Ltd.
5.25%, 05/12/24		1,065		1,117,952
5.50%, 01/17/27		290		305,266
Georgia-Pacific LLC
7.38%, 12/01/25		750		931,298
7.75%, 11/15/29		825		1,124,615
8.00%, 01/15/24		47		58,276
8.88%, 05/15/31		1,050		1,570,181
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)		3,850		3,592,897
3.65%, 06/15/24 (Call 03/15/24)		3,605		3,636,075
3.80%, 01/15/26 (Call 10/15/25)		2,175		2,184,526
4.35%, 08/15/48 (Call 02/15/48)		1,200		1,170,528
4.40%, 08/15/47 (Call 02/15/47)		3,415		3,356,672
4.75%, 02/15/22 (Call 11/15/21)		635		668,750
4.80%, 06/15/44 (Call 12/15/43)		814		849,816
5.00%, 09/15/35 (Call 03/15/35)		5,269		5,723,609
5.15%, 05/15/46 (Call 11/15/45)		2,489		2,724,410
6.00%, 11/15/41 (Call 05/15/41)		1,625		1,935,927
7.30%, 11/15/39		3,262		4,379,300
7.50%, 08/15/21		7		7,990
8.70%, 06/15/38		720		1,052,208

				38,046,362


Security	Principal (000s)		Value
GAS — 0.17%
Atmos Energy Corp.
3.00%, 06/15/27 (Call 03/15/27)	$	1,315	$	1,268,173
4.13%, 10/15/44 (Call 04/15/44)		450		457,902
4.15%, 01/15/43 (Call 07/15/42)		1,844		1,874,260
5.50%, 06/15/41 (Call 12/15/40)		2,175		2,604,867
CenterPoint Energy Resources Corp.
4.10%, 09/01/47 (Call 03/01/47)		900		883,926
4.50%, 01/15/21 (Call 10/15/20)		3,015		3,114,525
5.85%, 01/15/41 (Call 07/15/40)		608		739,954
6.63%, 11/01/37		345		442,293
Dominion Energy Gas Holdings LLC
2.50%, 12/15/19 (Call 11/15/19)		453		450,332
2.80%, 11/15/20 (Call 10/15/20)		3,540		3,522,017
3.55%, 11/01/23 (Call 08/01/23)		1,525		1,507,142
4.60%, 12/15/44 (Call 06/15/44)		300		310,830
4.80%, 11/01/43 (Call 05/01/43)		3,435		3,620,868
KeySpan Corp.
5.80%, 04/01/35		870		1,027,096
8.00%, 11/15/30		425		573,423
National Fuel Gas Co.
3.75%, 03/01/23 (Call 12/01/22)		6,055		6,018,609
3.95%, 09/15/27 (Call 06/15/27)		1,520		1,455,567
4.90%, 12/01/21 (Call 09/01/21)		3,200		3,302,624
5.20%, 07/15/25 (Call 04/15/25)		1,050		1,108,233


Security	Principal (000s)		Value
NiSource Inc.
3.49%, 05/15/27 (Call 02/15/27)	$	2,655	$	2,599,909
3.85%, 02/15/23 (Call 11/15/22)		130		132,791
3.95%, 03/30/48 (Call 09/30/47)		70		66,313
4.38%, 05/15/47 (Call 11/15/46)		1,145		1,164,820
4.80%, 02/15/44 (Call 08/15/43)		680		734,427
5.25%, 02/15/43 (Call 08/15/42)		325		368,245
5.65%, 02/01/45 (Call 08/01/44)		927		1,108,868
5.80%, 02/01/42 (Call 08/01/41)		1,850		2,171,789
5.95%, 06/15/41 (Call 12/15/40)		1,905		2,311,698
6.25%, 12/15/40		500		616,510
ONE Gas Inc.
3.61%, 02/01/24 (Call 11/01/23)		483		488,434
4.66%, 02/01/44 (Call 08/01/43)		531		578,971
Piedmont Natural Gas Co. Inc.
3.64%, 11/01/46 (Call 05/01/46)		1,400		1,289,218
4.10%, 09/18/34 (Call 03/18/34)		910		902,101
4.65%, 08/01/43 (Call 02/01/43)		695		741,294
Sempra Energy
1.63%, 10/07/19		1,310		1,284,704
2.40%, 02/01/20		1,800		1,784,250
2.40%, 03/15/20 (Call 02/15/20)		1,240		1,227,166
2.85%, 11/15/20 (Call 10/15/20)		3,385		3,380,532
2.88%, 10/01/22 (Call 07/01/22)		150		147,554
2.90%, 02/01/23 (Call 01/01/23)		140		137,500


Security	Principal (000s)		Value
3.25%, 06/15/27 (Call 03/15/27)	$	2,000	$	1,913,720
3.40%, 02/01/28 (Call 10/01/27)		100		95,456
3.55%, 06/15/24 (Call 03/15/24)		450		449,464
3.75%, 11/15/25 (Call 08/15/25)		2,400		2,400,072
3.80%, 02/01/38 (Call 08/01/37)		880		834,671
4.00%, 02/01/48 (Call 08/01/47)		925		865,985
4.05%, 12/01/23 (Call 09/01/23)		265		272,892
6.00%, 10/15/39		1,980		2,447,359
Southern California Gas Co.
2.60%, 06/15/26 (Call 03/15/26)		2,975		2,782,398
3.15%, 09/15/24 (Call 06/15/24)		4,475		4,450,835
3.20%, 06/15/25 (Call 03/15/25)		400		394,140
4.45%, 03/15/44 (Call 09/15/43)		1,490		1,590,888
5.13%, 11/15/40		1,880		2,197,024
Series KK
5.75%, 11/15/35		50		60,041
Southern Co. Gas Capital Corp.
2.45%, 10/01/23 (Call 08/01/23)		1,800		1,701,180
3.25%, 06/15/26 (Call 03/15/26)		1,000		953,320
3.50%, 09/15/21 (Call 06/15/21)		975		981,191
3.95%, 10/01/46 (Call 04/01/46)		1,600		1,487,504
4.40%, 06/01/43 (Call 12/01/42)		855		861,233
4.40%, 05/30/47 (Call 11/30/46)		810		814,779
5.25%, 08/15/19		1,000		1,031,830
5.88%, 03/15/41 (Call 09/15/40)		3,030		3,589,702


Security	Principal (000s)		Value
6.00%, 10/01/34	$	15	$	17,300
Southwest Gas Corp.
3.80%, 09/29/46 (Call 03/29/46)		780		741,195

				90,453,914
HAND & MACHINE TOOLS — 0.02%
Kennametal Inc.
2.65%, 11/01/19 (Call 10/01/19)		4,910		4,880,344
3.88%, 02/15/22 (Call 11/15/21)		600		600,264
Snap-On Inc.
3.25%, 03/01/27 (Call 12/01/26)		1,500		1,471,095
Stanley Black & Decker Inc.
2.90%, 11/01/22		300		296,787
3.40%, 12/01/21 (Call 09/01/21)		2,100		2,127,741
5.20%, 09/01/40		1,685		1,885,852

				11,262,083
HEALTH CARE — PRODUCTS — 0.44%
Abbott Laboratories
2.00%, 03/15/20		2,550		2,508,511
2.35%, 11/22/19		4,650		4,621,495
2.55%, 03/15/22		3,064		2,988,534
2.80%, 09/15/20 (Call 08/15/20)		2,685		2,678,824
2.90%, 11/30/21 (Call 10/30/21)		8,175		8,107,638
2.95%, 03/15/25 (Call 12/15/24)		2,765		2,641,957
3.25%, 04/15/23 (Call 01/15/23)		165		163,980
3.40%, 11/30/23 (Call 09/30/23)		3,850		3,838,103
3.75%, 11/30/26 (Call 08/30/26)		6,490		6,428,085
3.88%, 09/15/25 (Call 06/15/25)		1,174		1,187,935
4.13%, 05/27/20		1,820		1,869,067
4.75%, 11/30/36 (Call 05/30/36)		7,203		7,699,863


Security	Principal (000s)		Value
4.75%, 04/15/43 (Call 10/15/42)	$	2,127	$	2,257,768
4.90%, 11/30/46 (Call 05/30/46)		7,500		8,100,225
5.13%, 04/01/19		2,882		2,959,814
5.30%, 05/27/40		2,470		2,772,353
6.00%, 04/01/39		1,545		1,873,761
6.15%, 11/30/37		1,250		1,511,275
Baxter International Inc.
1.70%, 08/15/21 (Call 07/15/21)		1,150		1,099,251
2.60%, 08/15/26 (Call 05/15/26)		3,130		2,867,487
3.50%, 08/15/46 (Call 02/15/46)		2,530		2,197,406
6.25%, 12/01/37		500		618,205
Becton Dickinson and Co.
2.13%, 06/06/19		30		29,743
2.40%, 06/05/20		1,350		1,328,049
2.68%, 12/15/19		2,240		2,230,077
2.89%, 06/06/22 (Call 05/06/22)		2,645		2,576,680
3.13%, 11/08/21		3,621		3,577,077
3.25%, 11/12/20		3,371		3,370,865
3.36%, 06/06/24 (Call 04/06/24)		977		944,114
3.70%, 06/06/27 (Call 03/06/27)		2,350		2,252,640
3.73%, 12/15/24 (Call 09/15/24)		2,781		2,741,204
4.67%, 06/06/47 (Call 12/06/46)		4,100		4,087,372
4.69%, 12/15/44 (Call 06/15/44)		3,490		3,500,644
4.88%, 05/15/44 (Call 11/15/43)		460		458,583
5.00%, 11/12/40		3,272		3,415,674
6.00%, 05/15/39		525		597,298
Boston Scientific Corp.
2.85%, 05/15/20		1,715		1,709,924
3.85%, 05/15/25		3,560		3,578,868
4.00%, 03/01/28 (Call 12/01/27)		1,000		997,110


Security	Principal (000s)		Value
4.13%, 10/01/23 (Call 07/01/23)	$	775	$	794,863
6.00%, 01/15/20		2,659		2,807,319
7.38%, 01/15/40		1,240		1,658,178
Covidien International Finance SA
3.20%, 06/15/22 (Call 03/15/22)		4,596		4,607,306
4.20%, 06/15/20		800		823,952
6.55%, 10/15/37		250		328,153
Danaher Corp.
2.40%, 09/15/20 (Call 08/15/20)		250		248,325
3.35%, 09/15/25 (Call 06/15/25)		300		301,434
4.38%, 09/15/45 (Call 03/15/45)		3,030		3,216,375
Life Technologies Corp.
5.00%, 01/15/21 (Call 10/15/20)		2,967		3,107,784
6.00%, 03/01/20		2,246		2,377,795
Medtronic Global Holdings SCA
1.70%, 03/28/19		2,675		2,650,069
3.35%, 04/01/27 (Call 01/01/27)		2,316		2,286,355
Medtronic Inc.
2.50%, 03/15/20		3,856		3,834,599
2.75%, 04/01/23 (Call 01/01/23)		1,349		1,322,587
3.13%, 03/15/22 (Call 12/15/21)		882		883,235
3.15%, 03/15/22		5,015		5,023,275
3.50%, 03/15/25		19,340		19,320,080
3.63%, 03/15/24 (Call 12/15/23)		1,865		1,894,486
4.13%, 03/15/21 (Call 12/15/20)		1,825		1,883,345
4.38%, 03/15/35		5,152		5,436,493
4.45%, 03/15/20		550		568,029
4.50%, 03/15/42 (Call 09/15/41)		3,800		3,985,782
4.63%, 03/15/44 (Call 09/15/43)		2,561		2,787,777


Security	Principal (000s)		Value
4.63%, 03/15/45	$	9,540	$	10,359,677
5.55%, 03/15/40		640		766,598
6.50%, 03/15/39		893		1,179,064
Stryker Corp.
2.00%, 03/08/19		100		99,484
2.63%, 03/15/21 (Call 02/15/21)		3,845		3,800,513
3.38%, 05/15/24 (Call 02/15/24)		2,050		2,047,458
3.38%, 11/01/25 (Call 08/01/25)		2,026		2,000,574
3.50%, 03/15/26 (Call 12/15/25)		1,689		1,684,321
3.65%, 03/07/28 (Call 12/07/27)		1,000		999,320
4.10%, 04/01/43 (Call 10/01/42)		2,690		2,624,821
4.38%, 01/15/20		370		381,318
4.38%, 05/15/44 (Call 11/15/43)		1,310		1,321,934
4.63%, 03/15/46 (Call 09/15/45)		3,066		3,253,547
Thermo Fisher Scientific Inc.
2.95%, 09/19/26 (Call 06/19/26)		3,310		3,094,420
3.00%, 04/15/23 (Call 02/15/23)		930		912,581
3.15%, 01/15/23 (Call 10/15/22)		1,275		1,264,698
3.20%, 08/15/27 (Call 05/15/27)		2,585		2,455,957
3.60%, 08/15/21 (Call 05/15/21)		2,950		2,995,931
3.65%, 12/15/25 (Call 09/15/25)		1,675		1,667,798
4.10%, 08/15/47 (Call 02/15/47)		1,325		1,273,537
4.15%, 02/01/24 (Call 11/01/23)		1,792		1,846,979
4.50%, 03/01/21		2,035		2,121,488
4.70%, 05/01/20		200		207,580
5.30%, 02/01/44 (Call 08/01/43)		3,240		3,692,077


Security	Principal (000s)		Value
Zimmer Biomet Holdings Inc.
2.70%, 04/01/20 (Call 03/01/20)	$	4,400	$	4,368,100
3.15%, 04/01/22 (Call 02/01/22)		350		344,722
3.38%, 11/30/21 (Call 08/30/21)		825		822,888
3.55%, 04/01/25 (Call 01/01/25)		3,355		3,258,779
4.25%, 08/15/35 (Call 02/15/35)		1,058		997,091
5.75%, 11/30/39		75		84,236

				242,462,546
HEALTH CARE — SERVICES — 0.46%
Aetna Inc.
2.20%, 03/15/19 (Call 02/15/19)		2,650		2,633,384
2.75%, 11/15/22 (Call 08/15/22)		2,940		2,853,358
2.80%, 06/15/23 (Call 04/15/23)		3,810		3,654,552
3.50%, 11/15/24 (Call 08/15/24)		3,586		3,519,444
3.88%, 08/15/47 (Call 02/15/47)		980		867,849
4.13%, 06/01/21 (Call 03/01/21)		2,050		2,104,325
4.13%, 11/15/42 (Call 05/15/42)		550		515,790
4.50%, 05/15/42 (Call 11/15/41)		1,650		1,616,984
4.75%, 03/15/44 (Call 09/15/43)		3,625		3,724,724
6.63%, 06/15/36		2,301		2,897,856
6.75%, 12/15/37		305		394,762
AHS Hospital Corp.
5.02%, 07/01/45		381		437,960
Anthem Inc.
2.25%, 08/15/19		4,420		4,386,496
2.50%, 11/21/20		490		483,723
3.13%, 05/15/22		4,990		4,954,970
3.30%, 01/15/23		6,990		6,944,425
3.35%, 12/01/24 (Call 10/01/24)		985		961,429


Security	Principal (000s)		Value
3.50%, 08/15/24 (Call 05/15/24)	$	2,130	$	2,108,359
3.65%, 12/01/27 (Call 09/01/27)		4,000		3,876,920
3.70%, 08/15/21 (Call 05/15/21)		450		457,326
4.10%, 03/01/28		1,450		1,452,393
4.35%, 08/15/20		1,920		1,984,358
4.38%, 12/01/47 (Call 06/01/47)		410		400,673
4.63%, 05/15/42		6,950		7,030,898
4.65%, 01/15/43		1,361		1,390,860
4.65%, 08/15/44 (Call 02/15/44)		2,290		2,339,395
4.85%, 08/15/54 (Call 02/15/54)		1,300		1,344,187
5.10%, 01/15/44		1,320		1,423,277
Ascension Health
3.95%, 11/15/46		550		547,162
4.85%, 11/15/53		4,080		4,505,993
Catholic Health Initiatives
2.95%, 11/01/22		1,000		971,830
4.35%, 11/01/42		3,035		2,775,932
Children’s Hospital Corp. (The)
Series 2017
4.12%, 01/01/47 (Call 07/01/46)		1,500		1,513,905
Cigna Corp.
3.05%, 10/15/27 (Call 07/15/27)		5,925		5,481,336
3.25%, 04/15/25 (Call 01/15/25)		4,520		4,348,330
3.88%, 10/15/47 (Call 04/15/47)		2,299		2,043,443
4.38%, 12/15/20 (Call 09/15/20)		1,340		1,385,238
4.50%, 03/15/21 (Call 12/15/20)		4,000		4,151,960
7.88%, 05/15/27		21		26,854
Coventry Health Care Inc.
5.45%, 06/15/21 (Call 03/15/21)		2,105		2,237,889


Security	Principal (000s)		Value
Dartmouth-Hitchcock Health
Series B
4.18%, 08/01/48 (Call 02/01/48)	$	1,000	$	999,410
Dignity Health
2.64%, 11/01/19		410		408,827
5.27%, 11/01/64		580		579,675
Duke University Health System Inc.
Series 2017
3.92%, 06/01/47 (Call 12/01/46)		1,036		1,030,613
Howard Hughes Medical Institute
3.50%, 09/01/23		5,186		5,295,217
Humana Inc.
2.50%, 12/15/20		430		424,139
2.63%, 10/01/19		374		373,727
2.90%, 12/15/22 (Call 11/15/22)		1,590		1,555,147
3.15%, 12/01/22 (Call 09/01/22)		355		351,876
3.85%, 10/01/24 (Call 07/01/24)		2,225		2,243,334
3.95%, 03/15/27 (Call 12/15/26)		2,990		2,971,970
4.63%, 12/01/42 (Call 06/01/42)		3,375		3,441,116
4.80%, 03/15/47 (Call 09/15/46)		2,100		2,194,563
4.95%, 10/01/44 (Call 04/01/44)		2,670		2,827,103
8.15%, 06/15/38		30		42,494
Johns Hopkins Health System Corp. (The)
3.84%, 05/15/46		310		300,970
Kaiser Foundation Hospitals
3.15%, 05/01/27 (Call 02/01/27)		2,000		1,938,080
3.50%, 04/01/22		600		608,718
4.88%, 04/01/42		655		744,067
Laboratory Corp. of America Holdings
2.63%, 02/01/20		360		358,160


Security	Principal (000s)		Value
3.60%, 02/01/25 (Call 11/01/24)	$	1,231	$	1,212,264
3.60%, 09/01/27 (Call 06/01/27)		1,930		1,869,572
3.75%, 08/23/22 (Call 05/23/22)		600		610,002
4.00%, 11/01/23 (Call 08/01/23)		500		508,640
4.63%, 11/15/20 (Call 08/15/20)		2,600		2,701,036
4.70%, 02/01/45 (Call 08/01/44)		4,095		4,099,218
Mayo Clinic
Series 2016
4.13%, 11/15/52		2,005		1,992,048
Memorial Sloan-Kettering Cancer Center
4.13%, 07/01/52		1,050		1,044,645
Series 2015
4.20%, 07/01/55		60		61,030
Mount Sinai Hospitals Group Inc.
Series 2017
3.98%, 07/01/48		703		679,913
New York and Presbyterian Hospital (The)
4.02%, 08/01/45		2,500		2,468,225
4.06%, 08/01/56		250		243,983
Northwell Healthcare Inc.
4.26%, 11/01/47 (Call 11/01/46)		920		898,012
6.15%, 11/01/43		1,750		2,161,092
Orlando Health Obligated Group
4.09%, 10/01/48 (Call 04/01/48)		288		285,034
Partners Healthcare System Inc.
Series 2017
3.77%, 07/01/48 (Call 01/01/48)		915		860,484
Providence St Joseph Health Obligated Group
Series A
3.93%, 10/01/48 (Call 04/01/48)		766		740,148


Security	Principal (000s)		Value
Series I
3.74%, 10/01/47	$	1,740	$	1,598,642
Quest Diagnostics Inc.
2.50%, 03/30/20 (Call 02/29/20)		150		148,901
2.70%, 04/01/19		3,750		3,750,637
3.45%, 06/01/26 (Call 03/01/26)		600		580,410
3.50%, 03/30/25 (Call 12/30/24)		25		24,653
4.25%, 04/01/24 (Call 01/01/24)		2,750		2,845,150
4.70%, 04/01/21		2,520		2,638,642
4.70%, 03/30/45 (Call 09/30/44)		690		700,812
RWJ Barnabas Health Inc.
3.95%, 07/01/46 (Call 07/01/45)		600		558,756
Stanford Health Care
Series 2018
3.80%, 11/15/48 (Call 05/15/48)		716		697,792
Texas Health Resources
4.33%, 11/15/55		25		25,133
UnitedHealth Group Inc.
1.63%, 03/15/19		350		346,798
1.95%, 10/15/20		2,255		2,208,096
2.13%, 03/15/21		4,570		4,470,740
2.30%, 12/15/19		5,260		5,232,280
2.38%, 10/15/22		1,415		1,367,385
2.70%, 07/15/20		3,463		3,458,533
2.75%, 02/15/23 (Call 11/15/22)		3,130		3,068,683
2.88%, 12/15/21		2,000		1,991,780
2.88%, 03/15/22 (Call 12/15/21)		1,766		1,754,998
2.88%, 03/15/23		3,000		2,951,610
2.95%, 10/15/27		525		498,183
3.10%, 03/15/26		6,600		6,393,618
3.35%, 07/15/22		2,720		2,745,486
3.38%, 11/15/21 (Call 08/15/21)		2,520		2,552,508
3.38%, 04/15/27		2,050		2,018,184


Security	Principal (000s)		Value
3.45%, 01/15/27	$	1,800	$	1,782,270
3.75%, 07/15/25		11,093		11,248,080
3.75%, 10/15/47 (Call 04/15/47)		325		305,133
3.88%, 10/15/20 (Call 07/15/20)		750		769,125
3.95%, 10/15/42 (Call 04/15/42)		1,400		1,364,594
4.20%, 01/15/47 (Call 07/15/46)		3,175		3,215,799
4.25%, 03/15/43 (Call 09/15/42)		4,140		4,241,347
4.25%, 04/15/47 (Call 10/15/46)		2,167		2,230,948
4.38%, 03/15/42 (Call 09/15/41)		55		57,255
4.63%, 07/15/35		815		887,877
4.63%, 11/15/41 (Call 05/15/41)		2,536		2,718,110
4.70%, 02/15/21 (Call 11/15/20)		540		565,812
4.75%, 07/15/45		4,461		4,922,312
5.70%, 10/15/40 (Call 04/15/40)		1,275		1,568,314
5.80%, 03/15/36		515		635,788
5.95%, 02/15/41 (Call 08/15/40)		1,135		1,436,093
6.50%, 06/15/37		1,781		2,360,039
6.63%, 11/15/37		825		1,098,413
6.88%, 02/15/38		4,236		5,799,508

				249,710,328
HOLDING COMPANIES — DIVERSIFIED — 0.02%
Apollo Investment Corp.
5.25%, 03/03/25		660		662,660
Ares Capital Corp.
3.63%, 01/19/22 (Call 12/19/21)		2,175		2,143,332
3.88%, 01/15/20 (Call 12/15/19)		1,500		1,514,355
4.25%, 03/01/25 (Call 01/01/25)		50		48,984
FS Investment Corp.
4.00%, 07/15/19		250		251,083


Security	Principal (000s)		Value
4.75%, 05/15/22 (Call 04/15/22)	$	940	$	949,738
Leucadia National Corp.
5.50%, 10/18/23 (Call 01/18/23)		2,675		2,808,161
6.63%, 10/23/43 (Call 07/23/43)		1,760		1,906,274
Prospect Capital Corp.
5.00%, 07/15/19		1,600		1,624,032
5.88%, 03/15/23		1,425		1,490,051

				13,398,670
HOME BUILDERS — 0.01%
DR Horton Inc.
3.75%, 03/01/19 (Call 12/01/18)		2,700		2,719,413
4.75%, 02/15/23 (Call 11/15/22)		1,100		1,160,082
5.75%, 08/15/23 (Call 05/15/23)		2,500		2,759,550
NVR Inc.
3.95%, 09/15/22 (Call 06/15/22)		900		921,384

				7,560,429
HOME FURNISHINGS — 0.02%
Leggett & Platt Inc.
3.50%, 11/15/27 (Call 08/15/27)		1,000		962,410
3.80%, 11/15/24 (Call 08/15/24)		2,000		1,990,500
Whirlpool Corp.
3.70%, 03/01/23^d		1,600		1,621,344
3.70%, 05/01/25		1,100		1,100,836
4.50%, 06/01/46 (Call 12/01/45)		1,340		1,327,083
4.70%, 06/01/22		500		526,280
4.85%, 06/15/21		2,160		2,272,255

				9,800,708
HOUSEHOLD PRODUCTS & WARES — 0.05%
Church & Dwight Co. Inc.
2.45%, 12/15/19 (Call 11/15/19)		500		497,570
2.45%, 08/01/22 (Call 07/01/22)		2,285		2,212,680


Security	Principal (000s)		Value
2.88%, 10/01/22	$	1,000	$	981,930
3.15%, 08/01/27 (Call 05/01/27)		1,525		1,437,785
3.95%, 08/01/47 (Call 02/01/47)		925		854,395
Clorox Co. (The)
3.10%, 10/01/27 (Call 07/01/27)		1,800		1,734,696
3.50%, 12/15/24 (Call 09/15/24)		1,100		1,106,193
3.80%, 11/15/21		1,800		1,847,088
Kimberly-Clark Corp.
1.85%, 03/01/20		565		555,237
1.90%, 05/22/19		3,775		3,745,064
2.15%, 08/15/20		810		798,142
2.65%, 03/01/25		1,673		1,595,557
2.75%, 02/15/26		910		866,329
3.05%, 08/15/25		1,370		1,340,737
3.20%, 07/30/46 (Call 01/30/46)		2,160		1,882,116
3.70%, 06/01/43		50		47,272
3.88%, 03/01/21		750		770,160
3.90%, 05/04/47 (Call 11/04/46)		2,300		2,272,101
5.30%, 03/01/41		1,000		1,184,420
6.63%, 08/01/37		423		571,765

				26,301,237
HOUSEWARES — 0.04%
Newell Brands Inc.
2.60%, 03/29/19		129		128,617
2.88%, 12/01/19 (Call 11/01/19)		420		419,949
3.15%, 04/01/21 (Call 03/01/21)		512		506,742
3.85%, 04/01/23 (Call 02/01/23)		2,789		2,778,653
3.90%, 11/01/25 (Call 08/01/25)		850		825,316
4.00%, 06/15/22 (Call 03/15/22)		2,600		2,637,778
4.00%, 12/01/24 (Call 09/01/24)		50		49,472


Security	Principal (000s)		Value
4.20%, 04/01/26 (Call 01/01/26)	$	3,640	$	3,602,653
5.38%, 04/01/36 (Call 10/01/35)		255		271,124
5.50%, 04/01/46 (Call 10/01/45)		8,735		9,250,802
Tupperware Brands Corp.
4.75%, 06/01/21 (Call 03/01/21)		3,278		3,385,584

				23,856,690
INSURANCE — 0.83%
ACE Capital Trust II
9.70%, 04/01/30		500		732,320
Aflac Inc.
2.40%, 03/16/20		400		396,928
3.25%, 03/17/25		5,000		4,923,950
3.63%, 06/15/23		200		203,664
3.63%, 11/15/24		3,875		3,907,124
4.00%, 02/15/22		800		825,256
4.00%, 10/15/46 (Call 04/15/46)		855		825,178
6.45%, 08/15/40		50		63,446
Alleghany Corp.
4.90%, 09/15/44 (Call 03/15/44)		860		894,237
4.95%, 06/27/22		1,770		1,874,802
5.63%, 09/15/20		1,500		1,590,390
Allied World Assurance Co. Holdings Ltd.
4.35%, 10/29/25 (Call 07/29/25)		1,000		988,960
5.50%, 11/15/20		825		868,535
Allstate Corp. (The)
3.28%, 12/15/26 (Call 09/15/26)		2,080		2,038,400
4.20%, 12/15/46 (Call 06/15/46)		965		978,742
4.50%, 06/15/43		2,396		2,546,900
5.35%, 06/01/33		1,015		1,148,625
5.55%, 05/09/35		3,859		4,524,214
5.95%, 04/01/36		38		46,623
7.45%, 05/16/19		1,000		1,054,200


Security	Principal (000s)		Value
(3 mo. LIBOR US + 2.120%)
6.50%, 05/15/67 (Call 05/15/37)^e	$	5,000	$	5,954,200
(3 mo. LIBOR US + 2.938%)
5.75%, 08/15/53 (Call 08/15/23)^e		3,340		3,574,568
Alterra Finance LLC
6.25%, 09/30/20		1,400		1,505,910
American Financial Group Inc./OH
3.50%, 08/15/26 (Call 05/15/26)		1,600		1,544,528
4.50%, 06/15/47 (Call 12/15/46)		1,250		1,237,425
American International Group Inc.
2.30%, 07/16/19 (Call 06/16/19)		6,665		6,622,211
3.30%, 03/01/21 (Call 02/01/21)		5,085		5,094,916
3.38%, 08/15/20		3,650		3,676,462
3.75%, 07/10/25 (Call 04/10/25)		1,612		1,605,987
3.88%, 01/15/35 (Call 07/15/34)		6,025		5,689,046
3.90%, 04/01/26 (Call 01/01/26)		4,320		4,309,546
4.13%, 02/15/24		3,229		3,308,207
4.38%, 01/15/55 (Call 07/15/54)		2,748		2,567,072
4.50%, 07/16/44 (Call 01/16/44)		7,688		7,634,568
4.70%, 07/10/35 (Call 01/10/35)		1,125		1,168,223
4.80%, 07/10/45 (Call 01/10/45)		4,005		4,162,156
4.88%, 06/01/22		7,886		8,347,489
6.25%, 05/01/36		2,600		3,159,156
6.40%, 12/15/20		580		629,810
(3 mo. LIBOR US + 4.195%)
8.18%, 05/15/68 (Call 05/15/38)^e		2,700		3,631,149


Security	Principal (000s)		Value
Aon Corp.
5.00%, 09/30/20	$	1,100	$	1,153,240
8.21%, 01/01/27		140		178,675
Aon PLC
2.80%, 03/15/21 (Call 02/15/21)		290		286,787
3.50%, 06/14/24 (Call 03/14/24)		6,467		6,442,231
3.88%, 12/15/25 (Call 09/15/25)		1,960		1,983,716
4.00%, 11/27/23 (Call 08/27/23)		1,825		1,871,738
4.25%, 12/12/42		1,120		1,071,683
4.45%, 05/24/43 (Call 02/24/43)		25		24,744
4.60%, 06/14/44 (Call 03/14/44)		1,160		1,195,403
4.75%, 05/15/45 (Call 11/15/44)		630		663,510
Arch Capital Finance LLC
4.01%, 12/15/26 (Call 09/15/26)		588		593,298
5.03%, 12/15/46 (Call 06/15/46)		600		659,880
Arch Capital Group Ltd.
7.35%, 05/01/34		25		32,906
Arch Capital Group U.S. Inc.
5.14%, 11/01/43		912		1,017,409
Aspen Insurance Holdings Ltd.
4.65%, 11/15/23		3,250		3,377,237
6.00%, 12/15/20		675		720,367
Assurant Inc.
4.00%, 03/15/23		5,820		5,868,364
6.75%, 02/15/34		725		865,041
Assured Guaranty U.S. Holdings Inc.
5.00%, 07/01/24^d		865		919,806
Athene Holding Ltd.
4.13%, 01/12/28 (Call 10/12/27)		1,545		1,490,492
AXA SA
8.60%, 12/15/30		2,780		3,865,368


Security	Principal (000s)		Value
AXIS Specialty Finance PLC
2.65%, 04/01/19	$	75	$	74,738
4.00%, 12/06/27 (Call 09/06/27)		2,000		1,951,780
5.15%, 04/01/45		315		322,349
Berkshire Hathaway Finance Corp.
1.30%, 05/15/18		750		748,455
1.30%, 08/15/19		1,462		1,438,754
1.70%, 03/15/19		5,550		5,511,094
2.90%, 10/15/20		200		200,898
3.00%, 05/15/22		3,925		3,927,041
4.25%, 01/15/21		8,000		8,317,120
4.30%, 05/15/43^d		590		619,754
4.40%, 05/15/42		4,555		4,833,675
5.40%, 05/15/18^d		8,000		8,049,520
5.75%, 01/15/40		1,480		1,851,687
Berkshire Hathaway Inc.
2.10%, 08/14/19		5,765		5,739,576
2.20%, 03/15/21 (Call 02/15/21)		760		747,536
2.75%, 03/15/23 (Call 01/15/23)		2,600		2,559,622
3.13%, 03/15/26 (Call 12/15/25)		4,075		3,969,539
3.40%, 01/31/22		50		50,945
3.75%, 08/15/21		200		206,292
4.50%, 02/11/43		2,742		2,966,762
Brighthouse Financial Inc.
3.70%, 06/22/27 (Call 03/22/27)^c		4,055		3,796,088
4.70%, 06/22/47 (Call 12/22/46)^c		2,665		2,484,340
Brown & Brown Inc.
4.20%, 09/15/24 (Call 06/15/24)		265		270,170
Chubb Corp. (The)
6.00%, 05/11/37		3,165		3,995,369
Chubb INA Holdings Inc.
2.30%, 11/03/20 (Call 10/03/20)		565		557,638
2.88%, 11/03/22 (Call 09/03/22)		920		911,683


Security	Principal (000s)		Value
3.15%, 03/15/25	$	1,775	$	1,742,091
3.35%, 05/03/26 (Call 02/03/26)		1,085		1,070,548
4.15%, 03/13/43		2,165		2,223,390
4.35%, 11/03/45 (Call 05/03/45)		6,675		7,079,972
5.90%, 06/15/19		2,000		2,080,040
6.70%, 05/15/36		15		20,284
Cincinnati Financial Corp.
6.92%, 05/15/28		125		154,890
CNA Financial Corp.
3.45%, 08/15/27 (Call 05/10/27)		1,155		1,100,819
3.95%, 05/15/24 (Call 02/15/24)		2,200		2,230,206
4.50%, 03/01/26 (Call 12/01/25)		3,568		3,684,138
5.75%, 08/15/21		150		162,279
Everest Reinsurance Holdings Inc.
4.87%, 06/01/44		86		85,903
Fidelity National Financial Inc.
5.50%, 09/01/22		3,608		3,900,104
First American Financial Corp.
4.60%, 11/15/24		1,000		1,015,390
Hartford Financial Services Group Inc. (The)
4.30%, 04/15/43		501		503,370
5.13%, 04/15/22		2,735		2,922,074
5.50%, 03/30/20		126		132,624
5.95%, 10/15/36		1,025		1,232,040
6.10%, 10/01/41		1,230		1,533,662
6.63%, 03/30/40		815		1,054,936
Lincoln National Corp.
3.35%, 03/09/25		845		826,959
3.63%, 12/12/26 (Call 09/15/26)		2,855		2,825,165
4.20%, 03/15/22		4,310		4,466,022
4.85%, 06/24/21		350		369,534
6.15%, 04/07/36		68		81,636
6.30%, 10/09/37		40		48,993
7.00%, 06/15/40		1,185		1,600,544
8.75%, 07/01/19		1,325		1,428,350


Security	Principal (000s)		Value
Loews Corp.
2.63%, 05/15/23 (Call 02/15/23)	$	1,900	$	1,837,243
3.75%, 04/01/26 (Call 01/01/26)		1,750		1,764,017
4.13%, 05/15/43 (Call 11/15/42)		1,775		1,751,801
Manulife Financial Corp.
4.15%, 03/04/26		10,275		10,509,064
4.90%, 09/17/20		275		287,617
5.38%, 03/04/46		3,350		3,922,816
Markel Corp.
3.50%, 11/01/27 (Call 08/01/27)		1,270		1,220,699
4.30%, 11/01/47 (Call 05/01/47)		975		933,592
4.90%, 07/01/22		2,558		2,702,194
5.00%, 03/30/43		10		10,475
5.00%, 04/05/46		1,360		1,446,088
5.35%, 06/01/21		840		894,205
Marsh & McLennan Companies Inc.
2.35%, 09/10/19 (Call 08/10/19)		1,605		1,596,397
2.35%, 03/06/20 (Call 02/06/20)		2,325		2,301,494
2.75%, 01/30/22 (Call 12/30/21)		875		860,475
3.30%, 03/14/23 (Call 01/14/23)		1,474		1,471,155
3.50%, 06/03/24 (Call 03/03/24)		1,370		1,374,603
3.50%, 03/10/25 (Call 12/10/24)		210		208,877
3.75%, 03/14/26 (Call 12/14/25)		897		900,983
4.20%, 03/01/48		1,470		1,466,854
4.35%, 01/30/47 (Call 07/30/46)		355		363,882
4.80%, 07/15/21 (Call 04/15/21)		10		10,511
5.88%, 08/01/33		235		284,609


Security	Principal (000s)		Value
Mercury General Corp.
4.40%, 03/15/27 (Call 12/15/26)	$	350	$	347,837
MetLife Inc.
3.00%, 03/01/25		1,897		1,836,448
3.05%, 12/15/22		625		619,094
3.60%, 04/10/24		6,369		6,390,081
3.60%, 11/13/25 (Call 08/13/25)		1,050		1,051,701
4.05%, 03/01/45		2,485		2,413,059
4.13%, 08/13/42		500		495,130
4.60%, 05/13/46 (Call 11/13/45)		985		1,037,688
4.72%, 12/15/44		2,893		3,112,637
4.75%, 02/08/21		4,350		4,558,321
4.88%, 11/13/43		2,125		2,320,564
5.70%, 06/15/35		860		1,041,873
5.88%, 02/06/41		5,445		6,658,799
6.40%, 12/15/66 (Call 12/15/31)		4,277		4,821,804
6.50%, 12/15/32		375		474,375
10.75%, 08/01/69 (Call 08/01/34)		1,365		2,209,771
Series D
4.37%, 09/15/23		1,818		1,908,282
Montpelier Re Holdings Ltd.
4.70%, 10/15/22		3,020		3,113,137
Old Republic International Corp.
3.88%, 08/26/26 (Call 07/26/26)		1,700		1,664,606
4.88%, 10/01/24 (Call 09/01/24)		2,500		2,622,750
PartnerRe Finance B LLC
5.50%, 06/01/20		1,546		1,622,759
Primerica Inc.
4.75%, 07/15/22		3,700		3,882,373
Principal Financial Group Inc.
3.10%, 11/15/26 (Call 08/15/26)		630		600,207
3.30%, 09/15/22		528		525,175
3.40%, 05/15/25 (Call 02/15/25)		1,525		1,498,038
4.30%, 11/15/46 (Call 05/15/46)		505		505,157


Security	Principal (000s)		Value
4.35%, 05/15/43	$	150	$	151,173
4.63%, 09/15/42		15		15,455
6.05%, 10/15/36		2,160		2,644,877
(3 mo. LIBOR US + 3.044%)
4.70%, 05/15/55 (Call 05/15/20)^e		1,000		1,004,790
Progressive Corp. (The)
2.45%, 01/15/27		3,170		2,924,357
3.70%, 01/26/45		100		95,096
3.75%, 08/23/21		1,505		1,543,543
4.13%, 04/15/47 (Call 10/15/46)		3,425		3,454,147
4.35%, 04/25/44		1,525		1,593,686
6.25%, 12/01/32		210		262,443
6.63%, 03/01/29		35		43,166
Protective Life Corp.
8.45%, 10/15/39		525		776,664
Prudential Financial Inc.
2.35%, 08/15/19		183		181,977
3.50%, 05/15/24		3,375		3,386,880
3.91%, 12/07/47 (Call 06/07/47)^c		2,963		2,802,939
3.94%, 12/07/49 (Call 06/07/49)^c		8,623		8,184,262
4.50%, 11/16/21		1,894		1,982,866
4.60%, 05/15/44		1,905		2,019,090
5.38%, 06/21/20		863		909,800
5.70%, 12/14/36		168		203,137
6.63%, 06/21/40		15		20,037
7.38%, 06/15/19		2,975		3,151,655
(3 mo. LIBOR US + 2.380%)
4.50%, 09/15/47 (Call 09/15/27)^e		710		696,489
(3 mo. LIBOR US + 3.031%)
5.38%, 05/15/45 (Call 05/15/25)^e		1,625		1,690,390
(3 mo. LIBOR US + 3.040%)
5.20%, 03/15/44 (Call 03/15/24)^e		3,150		3,289,639
(3 mo. LIBOR US + 3.920%)
5.63%, 06/15/43 (Call 06/15/23)^e		5,635		5,976,537


Security	Principal (000s)		Value
(3 mo. LIBOR US + 4.175%)
5.88%, 09/15/42 (Call 09/15/22)^e	$	2,108	$	2,259,101
Reinsurance Group of America Inc.
5.00%, 06/01/21		5,750		6,038,305
RenaissanceRe Finance Inc.
3.45%, 07/01/27 (Call 04/01/27)		1,050		998,918
Sompo International Holdings Ltd.
7.00%, 07/15/34		220		268,706
Swiss Re America Holding Corp.
7.00%, 02/15/26		510		607,232
Transatlantic Holdings Inc.
8.00%, 11/30/39		1,600		2,110,656
Travelers Companies Inc. (The)
3.75%, 05/15/46 (Call 11/15/45)		950		913,283
3.90%, 11/01/20		2,908		2,983,550
4.00%, 05/30/47 (Call 11/30/46)		2,095		2,095,880
4.30%, 08/25/45 (Call 02/25/45)		2,675		2,794,198
4.60%, 08/01/43		295		321,568
5.35%, 11/01/40		4,270		5,134,931
6.25%, 06/15/37		1,345		1,747,222
Travelers Property Casualty Corp.
6.38%, 03/15/33		26		32,618
Trinity Acquisition PLC
3.50%, 09/15/21 (Call 08/15/21)		300		301,818
4.40%, 03/15/26 (Call 12/15/25)		300		305,934
4.63%, 08/15/23		1,500		1,561,020
6.13%, 08/15/43		1,000		1,195,070
Unum Group
3.00%, 05/15/21 (Call 04/15/21)		500		496,470
3.88%, 11/05/25^d		75		74,540
4.00%, 03/15/24		4,060		4,127,640
5.75%, 08/15/42		300		353,127


Security	Principal (000s)		Value
Voya Financial Inc.
3.13%, 07/15/24 (Call 05/15/24)	$	2,000	$	1,944,340
3.65%, 06/15/26		1,775		1,740,760
4.80%, 06/15/46		1,585		1,639,366
5.70%, 07/15/43		700		813,113
Willis Towers Watson PLC
5.75%, 03/15/21		1,420		1,518,946
WR Berkley Corp.
4.63%, 03/15/22		1,600		1,670,352
4.75%, 08/01/44		380		389,264
5.38%, 09/15/20		1,000		1,052,370
6.25%, 02/15/37		35		41,294
7.38%, 09/15/19		200		212,918
XLIT Ltd.
4.45%, 03/31/25		1,750		1,766,940
5.25%, 12/15/43		100		108,846
5.50%, 03/31/45		3,470		3,694,752
5.75%, 10/01/21		1,350		1,457,447
6.25%, 05/15/27		375		430,309
6.38%, 11/15/24		1,690		1,938,278

				453,412,900
INTERNET — 0.25%
Alibaba Group Holding Ltd.
2.50%, 11/28/19 (Call 10/28/19)		4,480		4,458,093
2.80%, 06/06/23 (Call 05/06/23)		770		747,839
3.13%, 11/28/21 (Call 09/28/21)		750		749,910
3.40%, 12/06/27 (Call 09/06/27)		3,750		3,573,000
3.60%, 11/28/24 (Call 08/28/24)^d		4,399		4,388,310
4.00%, 12/06/37 (Call 06/06/37)		1,855		1,772,471
4.20%, 12/06/47 (Call 06/06/47)		2,155		2,054,943
4.40%, 12/06/57 (Call 06/06/57)		665		632,548
4.50%, 11/28/34 (Call 05/28/34)^d		2,535		2,633,105


Security	Principal (000s)		Value
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)	$	2,562	$	2,326,373
3.38%, 02/25/24		4,825		4,916,868
3.63%, 05/19/21		6,011		6,197,581
Amazon.com Inc.
1.90%, 08/21/20^c		3,025		2,961,566
2.40%, 02/22/23 (Call 01/22/23)^c		11,475		11,076,473
2.50%, 11/29/22 (Call 08/29/22)		4,255		4,154,497
2.60%, 12/05/19 (Call 11/05/19)		4,496		4,496,989
2.80%, 08/22/24 (Call 06/22/24)^c		1,718		1,663,024
3.15%, 08/22/27 (Call 05/22/27)^c		3,385		3,264,799
3.30%, 12/05/21 (Call 10/05/21)		2,035		2,062,615
3.80%, 12/05/24 (Call 09/05/24)		4,520		4,640,820
3.88%, 08/22/37 (Call 02/22/37)^c		2,999		2,986,614
4.05%, 08/22/47 (Call 02/22/47)^c		3,785		3,761,684
4.25%, 08/22/57 (Call 02/22/57)^c		1,250		1,249,700
4.80%, 12/05/34 (Call 06/05/34)		4,000		4,421,280
4.95%, 12/05/44 (Call 06/05/44)		4,656		5,276,319
5.20%, 12/03/25 (Call 09/03/25)		1,154		1,286,722
Baidu Inc.
2.75%, 06/09/19		3,309		3,300,529
3.50%, 11/28/22		650		648,252
4.13%, 06/30/25^d		6,900		6,956,373
Booking Holdings Inc.
2.75%, 03/15/23 (Call 02/15/23)		1,665		1,612,969
3.55%, 03/15/28 (Call 12/15/27)		1,900		1,827,743
3.60%, 06/01/26 (Call 03/01/26)		1,620		1,583,226


Security	Principal (000s)		Value
3.65%, 03/15/25 (Call 12/15/24)	$	1,330	$	1,317,990
eBay Inc.
2.15%, 06/05/20		2,550		2,515,142
2.20%, 08/01/19 (Call 07/01/19)		2,150		2,136,068
2.60%, 07/15/22 (Call 04/15/22)		2,400		2,325,792
2.75%, 01/30/23 (Call 12/30/22)		2,761		2,671,129
2.88%, 08/01/21 (Call 06/01/21)		407		403,488
3.25%, 10/15/20 (Call 07/15/20)		1,630		1,643,252
3.45%, 08/01/24 (Call 05/01/24)		4,285		4,234,737
3.60%, 06/05/27 (Call 03/05/27)		2,418		2,342,994
3.80%, 03/09/22 (Call 02/09/22)		1,292		1,315,837
4.00%, 07/15/42 (Call 01/15/42)		2,778		2,471,170
Expedia Inc.
3.80%, 02/15/28 (Call 11/15/27)		1,481		1,378,322
4.50%, 08/15/24 (Call 05/15/24)		1,040		1,052,293
5.00%, 02/15/26 (Call 11/15/25)		1,755		1,799,682
5.95%, 08/15/20		2,675		2,847,029
JD.com Inc.
3.13%, 04/29/21		500		493,195
3.88%, 04/29/26^d		410		398,782

				135,030,137
IRON & STEEL — 0.07%
Nucor Corp.
4.00%, 08/01/23 (Call 05/01/23)		2,450		2,532,761
5.20%, 08/01/43 (Call 02/01/43)		1,335		1,533,154
6.40%, 12/01/37		425		542,075
Reliance Steel & Aluminum Co.
4.50%, 04/15/23 (Call 01/15/23)		2,970		3,085,800


Security	Principal (000s)		Value
Vale Overseas Ltd.
4.38%, 01/11/22	$	4,545	$	4,655,625
5.88%, 06/10/21		2,455		2,627,022
6.25%, 08/10/26		1,145		1,292,362
6.88%, 11/21/36		6,122		7,366,480
6.88%, 11/10/39		5,820		7,054,247
8.25%, 01/17/34		1,615		2,098,370
Vale SA
5.63%, 09/11/42		4,120		4,439,877

				37,227,773
LEISURE TIME — 0.02%
Carnival Corp.
3.95%, 10/15/20		3,943		4,054,153
Harley-Davidson Inc.
3.50%, 07/28/25 (Call 04/28/25)		2,555		2,526,461
4.63%, 07/28/45 (Call 01/28/45)^d		2,305		2,368,480
Royal Caribbean Cruises Ltd.
2.65%, 11/28/20		315		312,055
3.70%, 03/15/28 (Call 12/15/27)		1,435		1,371,458
5.25%, 11/15/22		1,324		1,422,717

				12,055,324
LODGING — 0.06%
Hyatt Hotels Corp.
3.38%, 07/15/23 (Call 04/15/23)		2,115		2,104,256
4.85%, 03/15/26 (Call 12/15/25)		5,000		5,287,650
5.38%, 08/15/21 (Call 05/15/21)		1,075		1,144,585
Marriott International Inc./MD
2.30%, 01/15/22 (Call 12/15/21)		185		178,588
2.88%, 03/01/21 (Call 02/01/21)		815		811,153
3.00%, 03/01/19 (Call 12/01/18)		2,866		2,874,884
3.13%, 02/15/23 (Call 11/15/22)		1,250		1,237,425
3.25%, 09/15/22 (Call 06/15/22)		1,740		1,734,902


Security	Principal (000s)		Value
3.38%, 10/15/20 (Call 07/15/20)	$	100	$	100,800
3.75%, 03/15/25 (Call 12/15/24)		1,000		1,001,430
3.75%, 10/01/25 (Call 07/01/25)		1,625		1,625,325
4.50%, 10/01/34 (Call 04/01/34)		840		857,094
6.75%, 05/15/18		900		907,605
Series N
3.13%, 10/15/21 (Call 07/15/21)		1,680		1,677,379
Series R
3.13%, 06/15/26 (Call 03/15/26)		823		781,035
Wyndham Worldwide Corp.
3.90%, 03/01/23 (Call 12/01/22)		975		950,264
4.15%, 04/01/24 (Call 02/01/24)		250		250,325
4.25%, 03/01/22 (Call 12/01/21)		2,750		2,760,285
4.50%, 04/01/27 (Call 01/01/27)		500		497,220
5.10%, 10/01/25 (Call 07/01/25)		2,655		2,752,173
5.63%, 03/01/21^d		725		761,707

				30,296,085
MACHINERY — 0.22%
Caterpillar Financial Services Corp.
1.35%, 05/18/19		300		295,638
1.70%, 08/09/21		2,010		1,927,871
1.90%, 03/22/19		2,000		1,989,280
1.93%, 10/01/21		100		96,606
2.00%, 11/29/19		450		445,531
2.00%, 03/05/20		1,900		1,874,255
2.10%, 06/09/19		3,700		3,681,500
2.10%, 01/10/20		1,930		1,912,109
2.25%, 12/01/19		850		844,390
2.40%, 06/06/22		2,100		2,045,652
2.40%, 08/09/26		1,175		1,089,401
2.50%, 11/13/20		900		892,773
2.55%, 11/29/22		3,000		2,926,320


Security	Principal (000s)		Value
2.63%, 03/01/23	$	750	$	731,302
2.85%, 06/01/22		675		670,207
3.25%, 12/01/24		1,658		1,651,534
3.30%, 06/09/24		3,100		3,105,952
3.75%, 11/24/23		1,263		1,297,808
Caterpillar Inc.
2.60%, 06/26/22 (Call 03/26/22)		4,760		4,671,607
3.40%, 05/15/24 (Call 02/15/24)		5,753		5,826,351
3.80%, 08/15/42		2,398		2,382,725
3.90%, 05/27/21		2,090		2,155,229
4.30%, 05/15/44 (Call 11/15/43)^d		1,845		1,995,976
4.75%, 05/15/64 (Call 11/15/63)		5		5,572
5.20%, 05/27/41		2,336		2,793,179
5.30%, 09/15/35		225		265,475
6.05%, 08/15/36		405		517,404
CNH Industrial Capital LLC
3.38%, 07/15/19		500		500,985
3.88%, 10/15/21		100		100,346
4.38%, 11/06/20		205		209,373
4.38%, 04/05/22		980		1,001,570
CNH Industrial NV
3.85%, 11/15/27 (Call 08/15/27)		1,600		1,551,824
Cummins Inc.
3.65%, 10/01/23 (Call 07/01/23)		2,000		2,064,680
4.88%, 10/01/43 (Call 04/01/43)		350		391,450
7.13%, 03/01/28		18		22,607
Deere & Co.
2.60%, 06/08/22 (Call 03/08/22)		4,208		4,132,004
3.90%, 06/09/42 (Call 12/09/41)		2,912		2,972,016
4.38%, 10/16/19		1,961		2,018,085
5.38%, 10/16/29		355		414,935
7.13%, 03/03/31		25		33,413
Flowserve Corp.
4.00%, 11/15/23 (Call 08/15/23)		2,100		2,091,390


Security	Principal (000s)		Value
John Deere Capital Corp.
1.25%, 10/09/19	$	2,200	$	2,153,932
1.70%, 01/15/20		350		344,050
1.95%, 06/22/20		2,000		1,964,840
2.05%, 03/10/20		2,550		2,522,766
2.15%, 09/08/22		1,120		1,074,920
2.20%, 03/13/20		1,205		1,194,034
2.30%, 09/16/19		2,650		2,641,308
2.35%, 01/08/21		1,525		1,505,297
2.38%, 07/14/20		720		712,951
2.55%, 01/08/21		110		109,155
2.65%, 01/06/22		3,445		3,400,870
2.65%, 06/24/24		3,295		3,173,085
2.65%, 06/10/26		2,525		2,380,772
2.70%, 01/06/23		635		621,722
2.80%, 03/04/21		4,834		4,823,075
2.80%, 03/06/23		3,700		3,627,332
2.80%, 09/08/27		1,725		1,633,489
3.05%, 01/06/28		355		341,812
3.15%, 10/15/21		4,865		4,906,839
3.35%, 06/12/24		2,705		2,712,466
3.90%, 07/12/21		3,360		3,466,411
Series 0014
2.45%, 09/11/20		835		828,228
Rockwell Automation Inc.
2.05%, 03/01/20 (Call 02/01/20)		1,670		1,644,750
2.88%, 03/01/25 (Call 12/01/24)		910		873,564
Roper Technologies Inc.
2.80%, 12/15/21 (Call 11/15/21)		450		443,605
3.00%, 12/15/20 (Call 11/15/20)		2,600		2,603,042
3.13%, 11/15/22 (Call 08/15/22)		1,765		1,747,668
3.80%, 12/15/26 (Call 09/15/26)		740		738,934
3.85%, 12/15/25 (Call 09/15/25)		850		857,344
6.25%, 09/01/19		375		393,754
Wabtec Corp./DE
3.45%, 11/15/26 (Call 08/15/26)		950		903,269


Security	Principal (000s)		Value
Xylem Inc./NY
3.25%, 11/01/26 (Call 08/01/26)	$	220	$	213,358
4.38%, 11/01/46 (Call 05/01/46)		60		60,539
4.88%, 10/01/21		557		591,907

				122,807,413
MANUFACTURING — 0.35%
3M Co.
1.63%, 06/15/19		950		940,804
1.63%, 09/19/21 (Call 08/19/21)		1,260		1,210,041
2.00%, 08/07/20		1,550		1,529,555
2.00%, 06/26/22		7,436		7,176,335
2.25%, 03/15/23 (Call 02/15/23)		2,675		2,583,568
2.25%, 09/19/26 (Call 06/19/26)		1,100		1,009,327
2.88%, 10/15/27 (Call 07/15/27)		1,900		1,814,823
3.00%, 08/07/25		1,625		1,596,400
3.13%, 09/19/46 (Call 03/19/46)		1,760		1,544,136
3.63%, 10/15/47 (Call 04/15/47)		235		225,175
3.88%, 06/15/44		2,175		2,175,565
5.70%, 03/15/37		775		973,943
Carlisle Companies Inc.
3.50%, 12/01/24 (Call 10/01/24)		425		419,411
3.75%, 11/15/22 (Call 08/15/22)		1,990		2,015,930
3.75%, 12/01/27 (Call 09/01/27)		1,900		1,867,092
Crane Co.
4.20%, 03/15/48 (Call 09/15/47)		75		73,571
4.45%, 12/15/23 (Call 09/15/23)		1,000		1,029,770
Dover Corp.
3.15%, 11/15/25 (Call 08/15/25)		1,000		975,420


Security	Principal (000s)		Value
4.30%, 03/01/21 (Call 12/01/20)	$	2,250	$	2,335,815
5.38%, 03/01/41 (Call 12/01/40)		1,160		1,345,670
Eaton Corp.
2.75%, 11/02/22		5,524		5,406,560
3.10%, 09/15/27 (Call 06/15/27)		1,280		1,216,934
3.92%, 09/15/47 (Call 03/15/47)		1,225		1,158,813
4.00%, 11/02/32		3,640		3,609,460
4.15%, 11/02/42		2,599		2,562,484
General Electric Co.
2.10%, 12/11/19		2,500		2,471,925
2.20%, 01/09/20 (Call 12/09/19)		2,808		2,770,597
2.70%, 10/09/22		9,140		8,836,643
3.10%, 01/09/23		3,970		3,900,684
3.15%, 09/07/22		1,441		1,424,918
3.38%, 03/11/24		5,620		5,524,460
3.45%, 05/15/24 (Call 02/13/24)		1,484		1,461,874
4.13%, 10/09/42		5,756		5,377,255
4.38%, 09/16/20		2,075		2,139,823
4.50%, 03/11/44		8,166		8,084,748
4.63%, 01/07/21		4,811		4,993,674
4.65%, 10/17/21		5,588		5,848,792
5.30%, 02/11/21		7,094		7,488,426
5.50%, 01/08/20		1,557		1,627,018
5.88%, 01/14/38		13,720		16,068,041
6.00%, 08/07/19		999		1,044,005
6.15%, 08/07/37		2,997		3,576,200
6.88%, 01/10/39		1,482		1,923,873
Series A
5.55%, 05/04/20		309		325,201
6.75%, 03/15/32		15,323		19,028,408
Hexcel Corp.
3.95%, 02/15/27 (Call 11/15/26)		2,500		2,486,400
Illinois Tool Works Inc.
1.95%, 03/01/19		250		248,838
2.65%, 11/15/26 (Call 08/15/26)		6,850		6,432,698


Security	Principal (000s)		Value
3.38%, 09/15/21 (Call 06/15/21)	$	1,350	$	1,369,508
3.50%, 03/01/24 (Call 12/01/23)		3,299		3,365,112
3.90%, 09/01/42 (Call 03/01/42)		628		633,288
4.88%, 09/15/41 (Call 03/15/41)		1,760		2,007,632
Ingersoll-Rand Global Holding Co. Ltd.
2.90%, 02/21/21		1,000		996,540
3.75%, 08/21/28 (Call 05/21/28)		500		495,660
4.25%, 06/15/23		4,424		4,605,826
5.75%, 06/15/43		125		150,638
Ingersoll-Rand Luxembourg Finance SA
2.63%, 05/01/20 (Call 04/01/20)		205		203,149
3.55%, 11/01/24 (Call 08/01/24)		820		823,739
4.65%, 11/01/44 (Call 05/01/44)		250		262,708
Pall Corp.
5.00%, 06/15/20		750		787,185
Parker-Hannifin Corp.
3.25%, 03/01/27 (Call 12/01/26)		1,140		1,110,554
3.30%, 11/21/24 (Call 08/21/24)		287		285,324
4.10%, 03/01/47 (Call 09/01/46)		1,415		1,435,206
4.20%, 11/21/34 (Call 05/21/34)		4,500		4,674,870
4.45%, 11/21/44 (Call 05/21/44)		440		470,668
Series A
6.25%, 05/15/38		25		32,209
Textron Inc.
3.65%, 03/01/21		1,180		1,195,505
3.65%, 03/15/27 (Call 12/15/26)		1,630		1,602,534
3.88%, 03/01/25 (Call 12/01/24)		130		131,099


Security	Principal (000s)		Value
4.00%, 03/15/26 (Call 12/15/25)	$	2,450	$	2,470,065
5.95%, 09/21/21 (Call 06/21/21)		1,015		1,097,164
Trinity Industries Inc.
4.55%, 10/01/24 (Call 07/01/24)		1,600		1,598,912

				191,686,198
MEDIA — 0.92%
21st Century Fox America Inc.
3.00%, 09/15/22		4,471		4,426,871
3.38%, 11/15/26 (Call 08/15/26)		1,940		1,908,979
3.70%, 09/15/24 (Call 06/15/24)		100		101,704
3.70%, 10/15/25 (Call 07/15/25)		2,720		2,743,555
4.00%, 10/01/23		1,300		1,340,560
4.75%, 09/15/44 (Call 03/15/44)		1,275		1,370,714
4.75%, 11/15/46 (Call 05/15/46)		1,980		2,135,430
4.95%, 10/15/45 (Call 04/15/45)		826		918,347
5.40%, 10/01/43		2,420		2,832,489
5.65%, 08/15/20		275		292,661
6.15%, 03/01/37		1,000		1,246,720
6.15%, 02/15/41		3,248		4,097,644
6.20%, 12/15/34		4,903		6,075,013
6.40%, 12/15/35		2,116		2,676,274
6.55%, 03/15/33		2,125		2,678,839
6.65%, 11/15/37		3,550		4,649,932
6.90%, 03/01/19		3,600		3,750,048
6.90%, 08/15/39		650		875,017
7.70%, 10/30/25		10		12,434
7.75%, 12/01/45		1,557		2,374,550
7.85%, 03/01/39		2,490		3,637,168
CBS Corp.
2.30%, 08/15/19 (Call 07/15/19)		1,000		993,420
2.50%, 02/15/23 (Call 01/15/23)		3,183		3,033,017
2.90%, 01/15/27 (Call 10/15/26)		3,600		3,284,856


Security	Principal (000s)		Value
3.38%, 03/01/22 (Call 12/01/21)	$	2,525	$	2,528,409
3.38%, 02/15/28 (Call 11/15/27)		5,730		5,350,617
3.50%, 01/15/25 (Call 10/15/24)		1,900		1,860,784
3.70%, 08/15/24 (Call 05/15/24)		3,650		3,639,305
3.70%, 06/01/28 (Call 03/01/28)^c		60		57,678
4.00%, 01/15/26 (Call 10/15/25)		1,690		1,683,848
4.30%, 02/15/21 (Call 11/15/20)		850		876,019
4.60%, 01/15/45 (Call 07/15/44)		1,975		1,920,293
4.85%, 07/01/42 (Call 01/01/42)		1,040		1,037,005
4.90%, 08/15/44 (Call 02/15/44)		5,039		5,162,959
5.50%, 05/15/33		1,330		1,433,368
5.90%, 10/15/40 (Call 04/15/40)		750		859,365
7.88%, 07/30/30		1,858		2,447,748
Charter Communications Operating LLC/Charter Communications Operating Capital
3.58%, 07/23/20 (Call 06/23/20)		2,907		2,928,541
3.75%, 02/15/28 (Call 11/15/27)		6,400		5,915,456
4.20%, 03/15/28 (Call 12/15/27)		1,200		1,150,584
4.46%, 07/23/22 (Call 05/23/22)		10,110		10,343,642
4.91%, 07/23/25 (Call 04/23/25)		7,046		7,240,892
5.38%, 05/01/47 (Call 11/01/46)		3,270		3,230,727
6.38%, 10/23/35 (Call 04/23/35)		5,826		6,564,795
6.48%, 10/23/45 (Call 04/23/45)		10,230		11,503,430


Security	Principal (000s)		Value
6.83%, 10/23/55 (Call 04/23/55)	$	4,555	$	5,291,316
Comcast Cable Communications Holdings Inc.
9.46%, 11/15/22		2,825		3,587,722
Comcast Corp.
1.63%, 01/15/22 (Call 12/15/21)		1,345		1,276,956
2.35%, 01/15/27 (Call 10/15/26)		8,295		7,445,924
2.75%, 03/01/23 (Call 02/01/23)		3,930		3,840,789
2.85%, 01/15/23		1,390		1,368,094
3.00%, 02/01/24 (Call 01/01/24)		1,195		1,168,746
3.13%, 07/15/22		5,150		5,146,498
3.15%, 03/01/26 (Call 12/01/25)		5,603		5,404,710
3.15%, 02/15/28 (Call 11/15/27)		2,345		2,229,087
3.20%, 07/15/36 (Call 01/15/36)		3,891		3,408,516
3.30%, 02/01/27 (Call 11/01/26)		1,897		1,833,185
3.38%, 02/15/25 (Call 11/15/24)		1,928		1,900,661
3.38%, 08/15/25 (Call 05/15/25)		2,650		2,607,255
3.40%, 07/15/46 (Call 01/15/46)		4,062		3,477,884
3.55%, 05/01/28 (Call 02/01/28)		1,000		980,590
3.60%, 03/01/24		7,150		7,217,281
3.90%, 03/01/38 (Call 09/01/37)		1,000		955,310
3.97%, 11/01/47 (Call 05/01/47)		6,600		6,168,822
4.00%, 08/15/47 (Call 02/15/47)		1,504		1,412,482
4.00%, 03/01/48 (Call 09/01/47)		760		709,498
4.00%, 11/01/49 (Call 05/01/49)		9,135		8,495,367


Security	Principal (000s)		Value
4.05%, 11/01/52 (Call 05/01/52)	$	4,844	$	4,522,843
4.20%, 08/15/34 (Call 02/15/34)		3,591		3,604,718
4.25%, 01/15/33		8,121		8,312,168
4.40%, 08/15/35 (Call 02/15/35)		3,204		3,258,019
4.50%, 01/15/43		205		208,182
4.60%, 08/15/45 (Call 02/15/45)		7,033		7,287,665
4.65%, 07/15/42		4,969		5,160,157
4.75%, 03/01/44		3,256		3,438,369
5.15%, 03/01/20		4,696		4,916,806
5.65%, 06/15/35		1,555		1,830,048
6.40%, 05/15/38		135		171,094
6.45%, 03/15/37		125		159,946
6.50%, 11/15/35		3,100		3,984,430
7.05%, 03/15/33		969		1,262,394
Discovery Communications LLC
2.20%, 09/20/19		220		217,756
2.95%, 03/20/23 (Call 02/20/23)		300		289,986
3.25%, 04/01/23		121		118,367
3.30%, 05/15/22		2,400		2,383,392
3.45%, 03/15/25 (Call 12/15/24)		336		323,457
3.95%, 03/20/28 (Call 12/20/27)		2,221		2,132,138
4.38%, 06/15/21		2,750		2,842,592
4.88%, 04/01/43		6,213		5,916,143
4.90%, 03/11/26 (Call 12/11/25)		2,435		2,528,334
4.95%, 05/15/42		3,967		3,771,705
5.00%, 09/20/37 (Call 03/20/37)		1,280		1,277,632
5.05%, 06/01/20		227		236,623
5.20%, 09/20/47 (Call 03/20/47)		1,100		1,093,114
6.35%, 06/01/40		2,295		2,586,075
Grupo Televisa SAB
4.63%, 01/30/26 (Call 10/29/25)		499		509,484
6.13%, 01/31/46 (Call 07/31/45)		3,150		3,508,911


Security	Principal (000s)		Value
6.63%, 03/18/25	$	500	$	568,760
6.63%, 01/15/40		2,520		2,945,452
NBCUniversal Media LLC
2.88%, 01/15/23		2,613		2,575,399
4.38%, 04/01/21		3,400		3,542,664
4.45%, 01/15/43		4,411		4,449,023
5.15%, 04/30/20		6,477		6,797,158
5.95%, 04/01/41		5,318		6,471,208
6.40%, 04/30/40		250		321,998
Scripps Networks Interactive Inc.
2.75%, 11/15/19 (Call 10/15/19)		2,300		2,289,788
2.80%, 06/15/20 (Call 05/15/20)		2,325		2,305,563
3.90%, 11/15/24 (Call 08/15/24)		1,083		1,074,888
TCI Communications Inc.
7.13%, 02/15/28		1,150		1,438,006
7.88%, 02/15/26		2,040		2,600,857
Thomson Reuters Corp.
3.35%, 05/15/26 (Call 02/15/26)		200		192,338
3.85%, 09/29/24 (Call 06/29/24)		2,750		2,752,282
3.95%, 09/30/21 (Call 06/30/21)		2,200		2,235,684
4.30%, 11/23/23 (Call 08/23/23)		1,948		2,001,804
4.50%, 05/23/43 (Call 11/23/42)		1,400		1,359,904
4.70%, 10/15/19		700		721,119
5.65%, 11/23/43 (Call 05/23/43)		870		1,003,980
5.85%, 04/15/40		1,105		1,277,314
Time Warner Cable LLC
4.00%, 09/01/21 (Call 06/01/21)		2,785		2,819,088
4.13%, 02/15/21 (Call 11/15/20)		1,675		1,702,989
4.50%, 09/15/42 (Call 03/15/42)		5,276		4,662,718
5.00%, 02/01/20		1,820		1,882,663


Security	Principal (000s)		Value
5.50%, 09/01/41 (Call 03/01/41)	$	5,160	$	5,219,546
5.88%, 11/15/40 (Call 05/15/40)		3,610		3,833,206
6.55%, 05/01/37		4,853		5,500,196
6.75%, 06/15/39		5,223		5,998,877
7.30%, 07/01/38		2,833		3,422,887
8.25%, 04/01/19		5,403		5,705,406
Time Warner Entertainment Co. LP
8.38%, 03/15/23		4,625		5,542,507
8.38%, 07/15/33		2,610		3,463,627
Time Warner Inc.
2.10%, 06/01/19		1,876		1,862,999
2.95%, 07/15/26 (Call 04/15/26)		3,670		3,371,812
3.40%, 06/15/22		3,413		3,413,171
3.55%, 06/01/24 (Call 03/01/24)		2,572		2,547,180
3.60%, 07/15/25 (Call 04/15/25)		3,735		3,634,865
3.80%, 02/15/27 (Call 11/15/26)		2,575		2,501,123
3.88%, 01/15/26 (Call 10/15/25)		2,615		2,573,526
4.00%, 01/15/22		8,052		8,261,352
4.05%, 12/15/23		1,150		1,178,532
4.65%, 06/01/44 (Call 12/01/43)		3,300		3,227,862
4.70%, 01/15/21		3,360		3,505,589
4.75%, 03/29/21		1,587		1,662,509
4.85%, 07/15/45 (Call 01/15/45)		4,005		4,030,552
4.88%, 03/15/20		2,135		2,214,785
4.90%, 06/15/42		1,645		1,663,013
5.35%, 12/15/43		1,570		1,681,470
5.38%, 10/15/41		325		347,919
6.10%, 07/15/40		852		986,241
6.25%, 03/29/41		4,190		4,984,382
Viacom Inc.
3.88%, 12/15/21		1,630		1,659,047
3.88%, 04/01/24 (Call 01/01/24)		2,270		2,264,597


Security	Principal (000s)		Value
4.25%, 09/01/23 (Call 06/01/23)	$	1,635	$	1,676,578
4.38%, 03/15/43		4,508		4,054,811
4.50%, 03/01/21		1,750		1,809,658
5.25%, 04/01/44 (Call 10/01/43)		3,933		3,995,653
5.85%, 09/01/43 (Call 03/01/43)		1,646		1,802,469
6.88%, 04/30/36		5,006		5,949,831
Walt Disney Co. (The)
0.88%, 07/12/19		1,585		1,551,049
1.85%, 05/30/19		846		840,290
1.85%, 07/30/26		3,191		2,836,799
1.95%, 03/04/20		350		345,982
2.15%, 09/17/20		1,775		1,752,227
2.30%, 02/12/21		790		779,248
2.35%, 12/01/22		2,653		2,573,383
2.45%, 03/04/22		860		844,408
2.75%, 08/16/21		1,260		1,256,044
2.95%, 06/15/27^d		2,200		2,119,304
3.00%, 02/13/26		3,575		3,493,633
3.00%, 07/30/46		1,865		1,586,257
3.15%, 09/17/25		1,400		1,385,902
3.70%, 12/01/42		4,440		4,310,263
3.75%, 06/01/21		4,500		4,632,615
4.13%, 06/01/44		2,275		2,358,674
4.38%, 08/16/41		3,050		3,247,335
5.50%, 03/15/19		475		489,673
7.00%, 03/01/32		1,300		1,744,977
Series E
4.13%, 12/01/41		2,281		2,353,969

				505,013,405
METAL FABRICATE & HARDWARE — 0.01%
Precision Castparts Corp.
2.25%, 06/15/20 (Call 05/15/20)		150		148,886
2.50%, 01/15/23 (Call 10/15/22)		1,830		1,789,374
3.25%, 06/15/25 (Call 03/15/25)		2,050		2,037,966
3.90%, 01/15/43 (Call 07/15/42)		1,440		1,414,123


Security	Principal (000s)		Value
4.20%, 06/15/35 (Call 12/15/34)	$	1,850	$	1,893,716
4.38%, 06/15/45 (Call 12/15/44)		30		31,784
Timken Co. (The)
3.88%, 09/01/24 (Call 06/01/24)		500		490,795

				7,806,644
MINING — 0.22%
Barrick Gold Corp.
3.85%, 04/01/22		1,550		1,584,441
5.25%, 04/01/42		2,935		3,262,663
6.45%, 10/15/35		195		239,686
Barrick North America Finance LLC
4.40%, 05/30/21		2,900		3,029,427
5.70%, 05/30/41		3,099		3,610,428
5.75%, 05/01/43		4,203		4,981,480
7.50%, 09/15/38		1,710		2,275,223
Barrick PD Australia Finance Pty Ltd.
5.95%, 10/15/39		2,694		3,163,510
BHP Billiton Finance USA Ltd.
2.88%, 02/24/22		5,710		5,688,530
3.85%, 09/30/23		2,500		2,601,750
4.13%, 02/24/42		15,895		16,314,310
5.00%, 09/30/43		7,534		8,679,168
Goldcorp Inc.
3.63%, 06/09/21 (Call 04/09/21)		510		515,248
3.70%, 03/15/23 (Call 12/15/22)		2,435		2,449,293
5.45%, 06/09/44 (Call 12/09/43)		1,075		1,202,925
Newmont Mining Corp.
3.50%, 03/15/22 (Call 12/15/21)		2,350		2,356,486
4.88%, 03/15/42 (Call 09/15/41)		1,179		1,247,005
5.88%, 04/01/35		960		1,116,010
6.25%, 10/01/39		7,079		8,660,732
Rio Tinto Alcan Inc.
5.75%, 06/01/35		220		265,881


Security	Principal (000s)		Value
6.13%, 12/15/33	$	285	$	353,132
7.25%, 03/15/31		1,261		1,613,336
Rio Tinto Finance USA Ltd.
3.75%, 09/20/21		75		76,970
3.75%, 06/15/25 (Call 03/15/25)		7,739		7,887,898
5.20%, 11/02/40		5,730		6,697,682
7.13%, 07/15/28		1,270		1,631,747
Rio Tinto Finance USA PLC
2.88%, 08/21/22 (Call 05/21/22)		5,541		5,481,933
4.13%, 08/21/42 (Call 02/21/42)		2,250		2,296,463
4.75%, 03/22/42 (Call 09/22/41)		1,025		1,133,537
Southern Copper Corp.
3.50%, 11/08/22		2,230		2,233,568
3.88%, 04/23/25		200		201,068
5.25%, 11/08/42		3,232		3,438,816
5.88%, 04/23/45		2,350		2,699,469
6.75%, 04/16/40		3,925		4,912,922
7.50%, 07/27/35		2,925		3,821,600
Vale Canada Ltd.
7.20%, 09/15/32		250		284,263
Yamana Gold Inc.
4.63%, 12/15/27 (Call 09/15/27)^c		100		98,061
4.95%, 07/15/24 (Call 04/15/24)		161		166,498

				118,273,159
OFFICE & BUSINESS EQUIPMENT — 0.04%
Pitney Bowes Inc.
3.63%, 09/15/20		1,175		1,163,967
3.63%, 10/01/21 (Call 09/01/21)		1,515		1,447,825
4.13%, 05/15/22 (Call 04/15/22)		2,125		2,005,405
4.63%, 03/15/24 (Call 12/15/23)^d		2,922		2,721,200
4.70%, 04/01/23 (Call 03/01/23)		675		630,362
6.25%, 03/15/19		825		853,273


Security	Principal (000s)		Value
Xerox Corp.
3.63%, 03/15/23 (Call 02/15/23)	$	1,175	$	1,147,364
3.80%, 05/15/24^d		650		640,770
4.07%, 03/17/22		2,947		2,961,824
4.50%, 05/15/21		3,020		3,095,349
4.80%, 03/01/35		990		897,831
6.75%, 12/15/39		3,010		3,225,937

				20,791,107
OIL & GAS — 1.73%
Anadarko Finance Co.
7.50%, 05/01/31		225		283,669
Anadarko Petroleum Corp.
3.45%, 07/15/24 (Call 04/15/24)		3,710		3,623,038
4.50%, 07/15/44 (Call 01/15/44)		4,520		4,338,658
4.85%, 03/15/21 (Call 02/15/21)		1,400		1,459,640
5.55%, 03/15/26 (Call 12/15/25)^d		1,145		1,248,268
6.20%, 03/15/40		409		481,450
6.45%, 09/15/36		5,676		6,806,829
6.60%, 03/15/46 (Call 09/15/45)		5,750		7,178,472
6.95%, 06/15/19		500		525,165
8.70%, 03/15/19		1,050		1,109,913
Andeavor
3.80%, 04/01/28 (Call 01/01/28)		1,465		1,392,263
4.50%, 04/01/48 (Call 10/01/47)		810		746,326
4.75%, 12/15/23 (Call 10/15/23)		1,000		1,040,810
5.13%, 12/15/26 (Call 09/15/26)		625		659,406
Apache Corp.
2.63%, 01/15/23 (Call 10/15/22)		100		95,908
3.25%, 04/15/22 (Call 01/15/22)		5,625		5,577,975
3.63%, 02/01/21 (Call 11/01/20)		1,815		1,835,056


Security	Principal (000s)		Value
4.25%, 01/15/44 (Call 07/15/43)	$	825	$	761,640
4.75%, 04/15/43 (Call 10/15/42)		7,220		7,128,523
5.10%, 09/01/40 (Call 03/01/40)		2,413		2,481,915
5.25%, 02/01/42 (Call 08/01/41)		170		178,944
6.00%, 01/15/37		1,305		1,479,309
Apache Finance Canada Corp.
7.75%, 12/15/29		1,575		1,975,302
BP Capital Markets PLC
1.38%, 05/10/18		2,494		2,490,309
1.68%, 05/03/19		66		65,405
2.11%, 09/16/21 (Call 08/16/21)		3,215		3,115,496
2.24%, 05/10/19		2,620		2,609,913
2.32%, 02/13/20		8,940		8,864,457
2.50%, 11/06/22		3,425		3,330,847
2.52%, 01/15/20		1,838		1,830,317
2.75%, 05/10/23		2,525		2,469,374
3.02%, 01/16/27 (Call 10/16/26)		5,735		5,468,380
3.06%, 03/17/22		3,915		3,915,470
3.12%, 05/04/26 (Call 02/04/26)		2,215		2,135,459
3.22%, 11/28/23 (Call 09/28/23)		3,220		3,199,843
3.22%, 04/14/24 (Call 02/14/24)		3,475		3,445,775
3.25%, 05/06/22		3,175		3,193,161
3.28%, 09/19/27 (Call 06/19/27)		1,575		1,527,624
3.51%, 03/17/25		2,030		2,029,472
3.54%, 11/04/24		4,279		4,301,807
3.56%, 11/01/21		3,810		3,881,895
3.59%, 04/14/27 (Call 01/14/27)		3,050		3,038,959
3.72%, 11/28/28 (Call 08/28/28)		4,095		4,115,065
3.81%, 02/10/24		749		767,807
3.99%, 09/26/23		3,120		3,232,320
4.50%, 10/01/20		3,404		3,536,177
4.74%, 03/11/21		5,016		5,267,753


Security	Principal (000s)		Value
4.75%, 03/10/19	$	6,095	$	6,233,905
Burlington Resources Finance Co.
7.20%, 08/15/31		985		1,277,181
7.40%, 12/01/31		1,634		2,143,890
Canadian Natural Resources Ltd.
2.95%, 01/15/23 (Call 12/15/22)		715		697,304
3.45%, 11/15/21 (Call 08/15/21)		725		733,040
3.80%, 04/15/24 (Call 01/15/24)		2,230		2,231,383
3.85%, 06/01/27 (Call 03/01/27)		2,945		2,892,019
3.90%, 02/01/25 (Call 11/01/24)		7,880		7,856,754
4.95%, 06/01/47 (Call 12/01/46)		1,055		1,100,544
5.85%, 02/01/35		1,000		1,135,330
6.25%, 03/15/38		4,140		4,998,760
6.45%, 06/30/33		800		959,536
6.50%, 02/15/37		1,430		1,756,912
6.75%, 02/01/39		475		594,952
7.20%, 01/15/32		595		747,076
Cenovus Energy Inc.
3.00%, 08/15/22 (Call 05/15/22)		2,700		2,625,075
3.80%, 09/15/23 (Call 06/15/23)		800		794,112
4.25%, 04/15/27 (Call 01/15/27)^d		4,450		4,344,846
4.45%, 09/15/42 (Call 03/15/42)		775		682,233
5.25%, 06/15/37 (Call 12/15/36)		3,200		3,203,360
5.40%, 06/15/47 (Call 12/15/46)		4,325		4,340,873
5.70%, 10/15/19		4,250		4,409,757
6.75%, 11/15/39		900		1,031,418
Chevron Corp.
1.56%, 05/16/19		1,250		1,237,013
1.96%, 03/03/20 (Call 02/03/20)		8,810		8,692,915


Security	Principal (000s)		Value
1.99%, 03/03/20	$	150	$	148,098
2.10%, 05/16/21 (Call 04/15/21)		3,215		3,144,238
2.19%, 11/15/19 (Call 10/15/19)		880		875,063
2.36%, 12/05/22 (Call 09/05/22)		5,050		4,895,520
2.41%, 03/03/22 (Call 01/03/22)		6,890		6,745,723
2.42%, 11/17/20 (Call 10/17/20)		7,508		7,439,752
2.43%, 06/24/20 (Call 05/24/20)		5,175		5,146,227
2.50%, 03/03/22 (Call 02/03/22)		1,500		1,474,905
2.57%, 05/16/23 (Call 03/16/23)		2,617		2,544,614
2.90%, 03/03/24 (Call 01/03/24)		100		97,886
2.95%, 05/16/26 (Call 02/16/26)		3,870		3,714,581
3.19%, 06/24/23 (Call 03/24/23)		6,570		6,579,921
3.33%, 11/17/25 (Call 08/17/25)		2,095		2,083,436
4.95%, 03/03/19		500		512,625
Cimarex Energy Co.
3.90%, 05/15/27 (Call 02/15/27)		250		245,633
4.38%, 06/01/24 (Call 03/01/24)		3,611		3,740,815
CNOOC Finance 2013 Ltd.
1.75%, 05/09/18		1,750		1,750,350
3.00%, 05/09/23		6,960		6,738,811
CNOOC Finance 2015 USA LLC
3.50%, 05/05/25		2,400		2,344,008
CNOOC Nexen Finance 2014 ULC
4.25%, 04/30/24		2,800		2,862,608
4.88%, 04/30/44		2,700		2,903,661
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)		425		412,930


Security	Principal (000s)		Value
4.38%, 01/15/25 (Call 01/15/20)	$	400	$	407,552
4.88%, 10/01/47 (Call 04/01/47)		220		228,061
Conoco Funding Co.
7.25%, 10/15/31		2,776		3,681,226
ConocoPhillips
5.90%, 10/15/32		1,317		1,573,156
5.90%, 05/15/38		6,005		7,400,262
6.50%, 02/01/39		2,433		3,179,055
ConocoPhillips Canada Funding Co. I
5.95%, 10/15/36		2,060		2,525,478
ConocoPhillips Co.
2.40%, 12/15/22 (Call 09/15/22)		4,205		4,065,058
3.35%, 11/15/24 (Call 08/15/24)		3,540		3,518,477
3.35%, 05/15/25 (Call 02/15/25)		1,863		1,854,467
4.15%, 11/15/34 (Call 05/15/34)		1,430		1,443,471
4.30%, 11/15/44 (Call 05/15/44)		3,170		3,261,930
4.95%, 03/15/26 (Call 12/15/25)		4,990		5,433,561
5.95%, 03/15/46 (Call 09/15/45)		634		799,905
ConocoPhillips Holding Co.
6.95%, 04/15/29		6,849		8,735,626
Devon Energy Corp.
3.25%, 05/15/22 (Call 02/15/22)		3,568		3,541,062
4.00%, 07/15/21 (Call 04/15/21)		3,660		3,741,581
4.75%, 05/15/42 (Call 11/15/41)		3,955		3,983,990
5.00%, 06/15/45 (Call 12/15/44)		3,175		3,318,065
5.60%, 07/15/41 (Call 01/15/41)		2,839		3,173,463
5.85%, 12/15/25 (Call 09/15/25)^d		6,951		7,893,208
7.95%, 04/15/32		2,965		3,981,787


Security	Principal (000s)		Value
Ecopetrol SA
4.13%, 01/16/25	$	4,500	$	4,413,690
5.38%, 06/26/26 (Call 03/26/26)		2,470		2,604,738
5.88%, 09/18/23		2,400		2,602,704
5.88%, 05/28/45		4,900		4,916,758
7.38%, 09/18/43		4,490		5,350,104
7.63%, 07/23/19		1,875		1,983,619
Encana Corp.
3.90%, 11/15/21 (Call 08/15/21)		3,380		3,439,116
6.50%, 05/15/19		355		369,924
6.50%, 08/15/34		2,632		3,138,476
6.50%, 02/01/38		1,560		1,880,689
6.63%, 08/15/37		3,110		3,794,138
7.38%, 11/01/31		1,250		1,571,337
Eni USA Inc.
7.30%, 11/15/27		15		18,299
EOG Resources Inc.
2.45%, 04/01/20 (Call 03/01/20)		1,200		1,189,716
2.63%, 03/15/23 (Call 12/15/22)		2,485		2,396,733
3.15%, 04/01/25 (Call 01/01/25)		135		130,430
3.90%, 04/01/35 (Call 10/01/34)		3,215		3,177,706
4.10%, 02/01/21		2,638		2,710,809
4.15%, 01/15/26 (Call 10/15/25)		1,700		1,753,992
5.10%, 01/15/36 (Call 07/15/35)		1,225		1,349,546
5.63%, 06/01/19		1,250		1,293,488
EQT Corp.
3.00%, 10/01/22 (Call 09/01/22)		2,052		1,999,756
3.90%, 10/01/27 (Call 07/01/27)		2,950		2,814,860
4.88%, 11/15/21		7,030		7,358,442
8.13%, 06/01/19		425		451,235
Exxon Mobil Corp.
1.71%, 03/01/19		9,635		9,568,904
1.82%, 03/15/19 (Call 02/15/19)		5,289		5,262,872


Security	Principal (000s)		Value
1.91%, 03/06/20 (Call 02/06/20)	$	4,051	$	4,004,819
2.22%, 03/01/21 (Call 02/01/21)		3,623		3,566,916
2.40%, 03/06/22 (Call 01/06/22)		4,718		4,618,214
2.71%, 03/06/25 (Call 12/06/24)		4,577		4,397,353
2.73%, 03/01/23 (Call 01/01/23)		477		470,117
3.04%, 03/01/26 (Call 12/01/25)		4,871		4,756,093
3.18%, 03/15/24 (Call 12/15/23)		1,700		1,706,511
3.57%, 03/06/45 (Call 09/06/44)		6,475		6,146,912
4.11%, 03/01/46 (Call 09/01/45)		5,936		6,188,517
Hess Corp.
3.50%, 07/15/24 (Call 04/15/24)		790		764,720
4.30%, 04/01/27 (Call 01/01/27)		3,123		3,048,985
5.60%, 02/15/41		6,636		6,824,064
5.80%, 04/01/47 (Call 10/01/46)		1,610		1,699,468
6.00%, 01/15/40		1,360		1,438,934
7.13%, 03/15/33		930		1,122,268
7.30%, 08/15/31		1,046		1,272,114
HollyFrontier Corp.
5.88%, 04/01/26 (Call 01/01/26)		3,167		3,415,736
Husky Energy Inc.
3.95%, 04/15/22 (Call 01/15/22)		925		942,668
4.00%, 04/15/24 (Call 01/15/24)		1,365		1,386,895
6.15%, 06/15/19		700		728,343
6.80%, 09/15/37		1,015		1,249,161
7.25%, 12/15/19		3,370		3,616,650
Kerr-McGee Corp.
6.95%, 07/01/24		1,823		2,113,860
7.88%, 09/15/31		110		142,723


Security	Principal (000s)		Value
Marathon Oil Corp.
2.70%, 06/01/20 (Call 05/01/20)	$	1,855	$	1,837,285
2.80%, 11/01/22 (Call 08/01/22)		4,250		4,098,147
3.85%, 06/01/25 (Call 03/01/25)		4,305		4,258,248
4.40%, 07/15/27 (Call 04/15/27)		1,975		2,006,106
5.20%, 06/01/45 (Call 12/01/44)		3,085		3,239,620
6.60%, 10/01/37		1,291		1,555,642
6.80%, 03/15/32		25		29,822
Marathon Petroleum Corp.
3.40%, 12/15/20 (Call 11/15/20)		2,065		2,088,665
3.63%, 09/15/24 (Call 06/15/24)		1,150		1,150,771
4.75%, 09/15/44 (Call 03/15/44)		1,405		1,380,146
5.00%, 09/15/54 (Call 03/15/54)		465		453,891
5.13%, 03/01/21		4,720		4,993,099
5.85%, 12/15/45 (Call 06/15/45)		1,765		1,925,403
6.50%, 03/01/41 (Call 09/01/40)		2,500		3,037,975
Nexen Energy ULC
6.20%, 07/30/19		2,115		2,206,579
6.40%, 05/15/37		3,139		3,893,396
7.50%, 07/30/39		6,700		9,416,716
Noble Energy Inc.
3.85%, 01/15/28 (Call 10/15/27)		150		147,215
3.90%, 11/15/24 (Call 08/15/24)		110		110,611
4.15%, 12/15/21 (Call 09/15/21)		3,160		3,241,686
4.95%, 08/15/47 (Call 02/15/47)		2,000		2,063,400
5.05%, 11/15/44 (Call 05/15/44)		1,576		1,633,445
5.25%, 11/15/43 (Call 05/15/43)		1,965		2,091,703


Security	Principal (000s)		Value
6.00%, 03/01/41 (Call 09/01/40)	$	3,825	$	4,409,919
Occidental Petroleum Corp.
2.60%, 04/15/22 (Call 03/15/22)		2,384		2,342,971
2.70%, 02/15/23 (Call 11/15/22)		1,729		1,695,025
3.00%, 02/15/27 (Call 11/15/26)		1,255		1,198,462
3.13%, 02/15/22 (Call 11/15/21)		5,055		5,064,402
3.40%, 04/15/26 (Call 01/15/26)		2,940		2,900,281
3.50%, 06/15/25 (Call 03/15/25)		2,430		2,426,331
4.10%, 02/15/47 (Call 08/15/46)		4,040		4,004,327
4.40%, 04/15/46 (Call 10/15/45)		3,660		3,802,374
4.63%, 06/15/45 (Call 12/15/44)		2,190		2,319,407
Series 1
4.10%, 02/01/21 (Call 11/01/20)		1,926		1,992,466
Patterson-UTI Energy Inc.
3.95%, 02/01/28 (Call 11/01/27)^c		315		304,095
Petroleos Mexicanos
3.50%, 01/30/23		8,070		7,769,957
4.25%, 01/15/25		1,375		1,328,608
4.50%, 01/23/26^d		6,700		6,491,496
4.63%, 09/21/23		7,525		7,559,916
4.88%, 01/24/22		5,770		5,926,309
4.88%, 01/18/24		6,000		6,098,880
5.38%, 03/13/22^c		600		627,048
5.50%, 01/21/21		10,971		11,484,991
5.50%, 06/27/44		5,385		4,831,207
5.63%, 01/23/46		11,695		10,494,157
6.00%, 03/05/20		2,227		2,338,328
6.35%, 02/12/48^c		5,000		4,884,800
6.38%, 02/04/21		1,690		1,807,911
6.38%, 01/23/45		7,655		7,447,014
6.50%, 03/13/27^c		1,105		1,180,282


Security	Principal (000s)		Value
6.50%, 06/02/41	$	11,794	$	11,676,178
6.63%, 06/15/35		10,269		10,641,046
6.63%, 06/15/38		2,900		2,943,935
6.75%, 09/21/47^c		75		76,343
6.75%, 09/21/47		8,286		8,421,808
6.88%, 08/04/26		10,535		11,585,866
8.00%, 05/03/19		26		27,469
Phillips 66
4.30%, 04/01/22		6,538		6,787,229
4.65%, 11/15/34 (Call 05/15/34)		1,015		1,063,619
4.88%, 11/15/44 (Call 05/15/44)		3,620		3,807,661
5.88%, 05/01/42		4,605		5,479,213
Pioneer Natural Resources Co.
3.45%, 01/15/21 (Call 12/15/20)		1,810		1,828,082
3.95%, 07/15/22 (Call 04/15/22)		6,300		6,426,882
4.45%, 01/15/26 (Call 10/15/25)		1,035		1,074,133
6.88%, 05/01/18		250		251,730
Shell International Finance BV
1.38%, 05/10/19		2,725		2,687,776
1.38%, 09/12/19		1,930		1,897,190
1.75%, 09/12/21		2,159		2,068,754
1.88%, 05/10/21		4,523		4,380,661
2.13%, 05/11/20		8,401		8,296,660
2.25%, 11/10/20		1,405		1,384,628
2.25%, 01/06/23		2,440		2,342,912
2.38%, 08/21/22		4,810		4,672,963
2.50%, 09/12/26		6,390		5,943,658
2.88%, 05/10/26		2,300		2,205,930
3.25%, 05/11/25		4,133		4,086,421
3.40%, 08/12/23		2,125		2,146,165
3.63%, 08/21/42		2,215		2,063,848
3.75%, 09/12/46		2,927		2,788,319
4.00%, 05/10/46		3,757		3,710,864
4.13%, 05/11/35		6,367		6,565,650
4.30%, 09/22/19		9,050		9,285,481
4.38%, 03/25/20		3,005		3,104,976
4.38%, 05/11/45		7,705		8,101,885
4.55%, 08/12/43		9,820		10,539,413


Security	Principal (000s)		Value
5.50%, 03/25/40	$	1,849	$	2,228,082
6.38%, 12/15/38		3,454		4,565,774
Statoil ASA
1.15%, 05/15/18		500		499,060
2.25%, 11/08/19		1,195		1,188,296
2.45%, 01/17/23		2,174		2,108,063
2.65%, 01/15/24		1,980		1,917,491
2.75%, 11/10/21		300		297,711
2.90%, 11/08/20		50		50,099
3.15%, 01/23/22		6,940		6,966,303
3.25%, 11/10/24		102		101,103
3.70%, 03/01/24		2,450		2,501,229
3.95%, 05/15/43		3,272		3,239,640
4.80%, 11/08/43		18,565		20,889,152
5.10%, 08/17/40		2,250		2,601,225
7.15%, 01/15/29		600		769,518
7.75%, 06/15/23		650		786,572
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)		4,530		4,526,512
4.00%, 11/15/47 (Call 05/15/47)		170		163,941
5.35%, 07/15/33		25		28,214
5.95%, 12/01/34		1,000		1,213,940
5.95%, 05/15/35		10,150		12,313,574
6.50%, 06/15/38		6,653		8,582,037
6.80%, 05/15/38		2,595		3,439,828
6.85%, 06/01/39		1,766		2,373,310
Tosco Corp.
7.80%, 01/01/27		2,200		2,840,618
8.13%, 02/15/30		725		996,984
Total Capital Canada Ltd.
2.75%, 07/15/23		639		625,690
Total Capital International SA
2.10%, 06/19/19		3,860		3,835,528
2.70%, 01/25/23		3,250		3,186,722
2.75%, 06/19/21		3,870		3,853,475
2.88%, 02/17/22		3,325		3,299,530
3.75%, 04/10/24		3,400		3,480,410
Total Capital SA
4.13%, 01/28/21		50		51,723
4.25%, 12/15/21		10		10,470
4.45%, 06/24/20		8,037		8,341,442


Security	Principal (000s)		Value
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)	$	4,750	$	4,551,402
3.65%, 03/15/25		600		597,816
4.90%, 03/15/45		575		610,616
6.13%, 02/01/20		1,419		1,505,417
6.63%, 06/15/37		7,076		8,813,087
7.50%, 04/15/32		865		1,131,152
9.38%, 03/15/19		1,919		2,046,652
10.50%, 03/15/39		325		530,972
XTO Energy Inc.
6.75%, 08/01/37		525		707,033

				948,591,016
OIL & GAS SERVICES — 0.11%
Baker Hughes a GE Co. LLC
3.20%, 08/15/21 (Call 05/15/21)		3,470		3,482,388
5.13%, 09/15/40		1,270		1,400,708
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
2.77%, 12/15/22 (Call 11/15/22)		2,400		2,343,288
4.08%, 12/15/47 (Call 06/15/47)		1,830		1,718,626
Halliburton Co.
3.25%, 11/15/21 (Call 08/15/21)		382		383,623
3.50%, 08/01/23 (Call 05/01/23)		4,158		4,186,025
3.80%, 11/15/25 (Call 08/15/25)		5,568		5,576,352
4.50%, 11/15/41 (Call 05/15/41)		2,246		2,257,994
4.75%, 08/01/43 (Call 02/01/43)		6,871		7,141,924
4.85%, 11/15/35 (Call 05/15/35)		1,974		2,114,509
5.00%, 11/15/45 (Call 05/15/45)		8,553		9,238,010
6.70%, 09/15/38		825		1,067,352
7.45%, 09/15/39		3,018		4,147,758
National Oilwell Varco Inc.
2.60%, 12/01/22 (Call 09/01/22)		5,740		5,487,670


Security	Principal (000s)		Value
3.95%, 12/01/42 (Call 06/01/42)	$	2,515	$	2,184,755
Schlumberger Investment SA
3.65%, 12/01/23 (Call 09/01/23)		3,735		3,802,753
TechnipFMC PLC
3.45%, 10/01/22 (Call 07/01/22)^c		2,030		1,989,644

				58,523,379
PACKAGING & CONTAINERS — 0.03%
Bemis Co. Inc.
3.10%, 09/15/26 (Call 06/15/26)		1,075		1,001,169
4.50%, 10/15/21 (Call 07/15/21)		1,500		1,560,270
6.80%, 08/01/19		525		554,090
Packaging Corp. of America
3.40%, 12/15/27 (Call 09/15/27)		2,225		2,153,778
3.65%, 09/15/24 (Call 06/15/24)		400		401,864
3.90%, 06/15/22 (Call 03/15/22)		750		767,947
4.50%, 11/01/23 (Call 08/01/23)		2,000		2,103,180
Sonoco Products Co.
4.38%, 11/01/21 (Call 08/01/21)		820		844,100
5.75%, 11/01/40 (Call 05/01/40)		3,003		3,411,108
WestRock Co.
3.00%, 09/15/24 (Call 07/15/24)^c		150		144,561
3.38%, 09/15/27 (Call 06/15/27)^c		250		238,783
WestRock MWV LLC
7.95%, 02/15/31		975		1,316,981
8.20%, 01/15/30		40		54,200
WestRock RKT Co.
3.50%, 03/01/20		500		505,670
4.00%, 03/01/23 (Call 12/01/22)		900		919,962
4.90%, 03/01/22		1,575		1,662,160

				17,639,823


Security	Principal (000s)		Value
PHARMACEUTICALS — 1.17%
AbbVie Inc.
1.80%, 05/14/18	$	4,145	$	4,142,181
2.30%, 05/14/21 (Call 04/14/21)		1,280		1,248,614
2.50%, 05/14/20 (Call 04/14/20)		6,325		6,268,834
2.85%, 05/14/23 (Call 03/14/23)		4,600		4,466,692
2.90%, 11/06/22		7,578		7,419,771
3.20%, 11/06/22 (Call 09/06/22)		8,606		8,541,197
3.20%, 05/14/26 (Call 02/14/26)		4,465		4,263,227
3.60%, 05/14/25 (Call 02/14/25)		4,478		4,433,713
4.30%, 05/14/36 (Call 11/14/35)		2,085		2,088,628
4.40%, 11/06/42		5,284		5,240,090
4.45%, 05/14/46 (Call 11/14/45)		3,955		3,946,141
4.50%, 05/14/35 (Call 11/14/34)		12,965		13,344,486
4.70%, 05/14/45 (Call 11/14/44)		9,885		10,211,106
Actavis Inc.
3.25%, 10/01/22 (Call 07/01/22)		7,205		7,103,626
4.63%, 10/01/42 (Call 04/01/42)		125		122,080
Allergan Funding SCS
3.00%, 03/12/20 (Call 02/12/20)		8,568		8,562,945
3.45%, 03/15/22 (Call 01/15/22)		6,120		6,107,944
3.80%, 03/15/25 (Call 12/15/24)		12,077		11,913,840
3.85%, 06/15/24 (Call 03/15/24)		3,410		3,411,978
4.55%, 03/15/35 (Call 09/15/34)		10,849		10,820,684
4.75%, 03/15/45 (Call 09/15/44)		2,930		2,911,043


Security	Principal (000s)		Value
4.85%, 06/15/44 (Call 12/15/43)	$	4,195	$	4,250,626
Allergan Inc./U.S.
2.80%, 03/15/23 (Call 12/15/22)		4,570		4,403,332
3.38%, 09/15/20		5,772		5,802,996
AmerisourceBergen Corp.
3.40%, 05/15/24 (Call 02/15/24)		6,075		5,996,146
3.45%, 12/15/27 (Call 09/15/27)		945		899,045
3.50%, 11/15/21 (Call 08/15/21)		10,060		10,131,929
4.25%, 03/01/45 (Call 09/01/44)		75		70,060
4.30%, 12/15/47 (Call 06/15/47)		475		445,474
AstraZeneca PLC
1.95%, 09/18/19		890		880,397
2.38%, 11/16/20		3,415		3,369,444
2.38%, 06/12/22 (Call 05/12/22)		3,722		3,606,320
3.13%, 06/12/27 (Call 03/12/27)		1,848		1,768,702
3.38%, 11/16/25		6,780		6,660,943
4.00%, 09/18/42		2,350		2,241,195
4.38%, 11/16/45		4,989		5,048,569
6.45%, 09/15/37		9,262		11,855,175
Bristol-Myers Squibb Co.
1.75%, 03/01/19		400		396,956
2.00%, 08/01/22		5,716		5,472,784
3.25%, 11/01/23		2,150		2,162,706
3.25%, 02/27/27		1,665		1,643,322
3.25%, 08/01/42		2,353		2,114,665
Cardinal Health Inc.
1.95%, 06/14/19		95		94,071
2.62%, 06/15/22 (Call 05/15/22)^d		2,525		2,442,230
3.08%, 06/15/24 (Call 04/15/24)		2,630		2,520,723
3.20%, 06/15/22		2,600		2,568,124
3.41%, 06/15/27 (Call 03/15/27)		2,665		2,508,405


Security	Principal (000s)		Value
3.50%, 11/15/24 (Call 08/15/24)	$	1,200	$	1,180,188
3.75%, 09/15/25 (Call 06/15/25)		1,040		1,024,702
4.37%, 06/15/47 (Call 12/15/46)		2,885		2,717,122
4.50%, 11/15/44 (Call 05/15/44)		2,885		2,764,003
4.60%, 03/15/43		2,423		2,377,084
4.90%, 09/15/45 (Call 03/15/45)		1,312		1,346,820
CVS Health Corp.
2.13%, 06/01/21 (Call 05/01/21)		2,600		2,506,556
2.25%, 08/12/19 (Call 07/12/19)		3,615		3,584,128
2.75%, 12/01/22 (Call 09/01/22)		4,900		4,720,513
2.80%, 07/20/20 (Call 06/20/20)		5,765		5,722,973
2.88%, 06/01/26 (Call 03/01/26)		550		502,133
3.38%, 08/12/24 (Call 05/12/24)		3,488		3,393,545
3.50%, 07/20/22 (Call 05/20/22)		7,224		7,198,138
3.88%, 07/20/25 (Call 04/20/25)		11,925		11,783,331
4.00%, 12/05/23 (Call 09/05/23)		3,150		3,193,218
4.13%, 05/15/21 (Call 02/15/21)		475		487,474
4.88%, 07/20/35 (Call 01/20/35)		10,360		10,734,618
5.13%, 07/20/45 (Call 01/20/45)		7,368		7,699,192
5.30%, 12/05/43 (Call 06/05/43)		1,235		1,324,871
Eli Lilly & Co.
1.95%, 03/15/19		2,690		2,674,075
2.35%, 05/15/22		285		277,567
2.75%, 06/01/25 (Call 03/01/25)		1,225		1,179,834


Security	Principal (000s)		Value
3.10%, 05/15/27 (Call 02/15/27)	$	2,455	$	2,393,821
3.70%, 03/01/45 (Call 09/01/44)		1,805		1,742,457
3.95%, 05/15/47 (Call 11/15/46)		1,500		1,513,185
5.50%, 03/15/27		700		810,334
5.55%, 03/15/37		3,223		3,936,927
Express Scripts Holding Co.
2.25%, 06/15/19		3,246		3,225,940
3.00%, 07/15/23 (Call 05/15/23)		1,040		1,003,163
3.05%, 11/30/22 (Call 10/30/22)		2,534		2,480,963
3.30%, 02/25/21 (Call 01/25/21)		450		450,698
3.40%, 03/01/27 (Call 12/01/26)		6,125		5,803,927
3.50%, 06/15/24 (Call 03/15/24)		1,500		1,473,390
3.90%, 02/15/22		5,504		5,611,163
4.50%, 02/25/26 (Call 11/27/25)		5,905		6,078,548
4.75%, 11/15/21		3,116		3,266,970
4.80%, 07/15/46 (Call 01/15/46)		1,510		1,512,295
6.13%, 11/15/41		3,445		4,002,229
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23		6,601		6,479,806
4.20%, 03/18/43		890		925,413
5.38%, 04/15/34		150		174,686
5.65%, 05/15/18		4,519		4,549,322
6.38%, 05/15/38		7,500		9,956,325
GlaxoSmithKline Capital PLC
2.85%, 05/08/22		8,695		8,620,571
Johnson & Johnson
1.65%, 03/01/21 (Call 02/01/21)		2,791		2,714,638
1.88%, 12/05/19		75		74,366
1.95%, 11/10/20		2,385		2,348,724
2.05%, 03/01/23 (Call 01/01/23)		1,850		1,777,609
2.25%, 03/03/22 (Call 02/03/22)		550		539,038


Security	Principal (000s)		Value
2.45%, 12/05/21	$	615	$	610,701
2.45%, 03/01/26 (Call 12/01/25)		9,586		9,019,947
2.63%, 01/15/25 (Call 11/15/24)		930		899,291
2.90%, 01/15/28 (Call 10/15/27)		3,000		2,879,190
2.95%, 09/01/20		130		131,329
2.95%, 03/03/27 (Call 12/03/26)		465		451,645
3.38%, 12/05/23		4,050		4,134,240
3.40%, 01/15/38 (Call 07/15/37)		1,200		1,148,196
3.50%, 01/15/48 (Call 07/15/47)		2,200		2,073,258
3.55%, 05/15/21		1,750		1,797,110
3.55%, 03/01/36 (Call 09/01/35)		4,075		4,011,593
3.63%, 03/03/37 (Call 09/03/36)		2,930		2,896,188
3.70%, 03/01/46 (Call 09/01/45)		6,273		6,133,175
3.75%, 03/03/47 (Call 09/03/46)		1,965		1,935,152
4.38%, 12/05/33 (Call 06/05/33)		2,160		2,344,421
4.50%, 09/01/40		695		772,228
4.50%, 12/05/43 (Call 06/05/43)		563		621,490
4.85%, 05/15/41		1,100		1,262,019
4.95%, 05/15/33		125		144,808
5.85%, 07/15/38		115		148,327
5.95%, 08/15/37		3,570		4,637,144
6.95%, 09/01/29		540		710,440
McKesson Corp.
2.28%, 03/15/19		1,025		1,021,638
2.70%, 12/15/22 (Call 09/15/22)		2,175		2,108,554
2.85%, 03/15/23 (Call 12/15/22)		2,775		2,708,761
3.80%, 03/15/24 (Call 12/15/23)		2,625		2,652,930


Security	Principal (000s)		Value
Mead Johnson Nutrition Co.
3.00%, 11/15/20	$	2,273	$	2,271,523
4.13%, 11/15/25 (Call 08/15/25)		970		989,400
4.60%, 06/01/44 (Call 12/01/43)		2,548		2,584,946
5.90%, 11/01/39		2,200		2,605,702
Medco Health Solutions Inc.
4.13%, 09/15/20		500		513,050
Merck & Co. Inc.
1.30%, 05/18/18		3,200		3,194,720
1.85%, 02/10/20		1,300		1,282,970
2.35%, 02/10/22		1,240		1,217,246
2.40%, 09/15/22 (Call 06/15/22)		682		666,184
2.75%, 02/10/25 (Call 11/10/24)		7,250		7,001,107
2.80%, 05/18/23		10,649		10,535,162
3.60%, 09/15/42 (Call 03/15/42)		650		621,250
3.70%, 02/10/45 (Call 08/10/44)		5,815		5,651,773
3.88%, 01/15/21 (Call 10/15/20)		5,872		6,051,331
4.15%, 05/18/43		4,356		4,525,928
Merck Sharp & Dohme Corp.
5.00%, 06/30/19		3,453		3,563,116
Mylan Inc.
5.40%, 11/29/43 (Call 05/29/43)		3,020		3,132,555
Mylan NV
2.50%, 06/07/19		550		546,584
3.15%, 06/15/21 (Call 05/15/21)		560		554,904
3.95%, 06/15/26 (Call 03/15/26)		4,353		4,220,277
5.25%, 06/15/46 (Call 12/15/45)		4,450		4,494,322
Novartis Capital Corp.
1.80%, 02/14/20		1,500		1,478,220
2.40%, 05/17/22 (Call 04/17/22)		3,225		3,157,081
2.40%, 09/21/22		4,299		4,186,925


Security	Principal (000s)		Value
3.00%, 11/20/25 (Call 08/20/25)	$	2,180	$	2,129,816
3.10%, 05/17/27 (Call 02/17/27)		3,490		3,414,895
3.40%, 05/06/24		3,793		3,834,647
3.70%, 09/21/42		1,948		1,881,008
4.00%, 11/20/45 (Call 05/20/45)		3,690		3,761,660
4.40%, 05/06/44		5,873		6,363,689
Perrigo Finance Unlimited Co.
3.50%, 12/15/21 (Call 10/15/21)		1,433		1,439,133
3.90%, 12/15/24 (Call 09/15/24)		1,400		1,390,312
4.38%, 03/15/26 (Call 12/15/25)		1,800		1,820,142
4.90%, 12/15/44 (Call 06/15/44)		2,460		2,423,198
Pfizer Inc.
1.45%, 06/03/19		706		697,429
1.95%, 06/03/21		2,825		2,760,364
2.10%, 05/15/19		2,338		2,328,461
2.20%, 12/15/21		3,670		3,589,040
2.75%, 06/03/26		2,935		2,791,625
3.00%, 06/15/23		1,412		1,411,054
3.00%, 12/15/26		3,538		3,425,492
3.40%, 05/15/24		2,755		2,784,451
4.00%, 12/15/36		2,050		2,110,885
4.13%, 12/15/46		3,205		3,299,964
4.30%, 06/15/43		4,800		5,029,824
4.40%, 05/15/44		3,715		3,961,416
5.20%, 08/12/20		2,000		2,122,880
5.60%, 09/15/40		1,000		1,211,990
5.80%, 08/12/23		200		226,622
7.20%, 03/15/39		6,100		8,856,468
Pharmacia LLC
6.60%, 12/01/28		6,180		7,806,205
Sanofi
4.00%, 03/29/21		2,733		2,821,768
Shire Acquisitions Investments Ireland DAC
1.90%, 09/23/19		2,764		2,720,854
2.40%, 09/23/21 (Call 08/23/21)		6,240		6,027,965


Security	Principal (000s)		Value
2.88%, 09/23/23 (Call 07/23/23)	$	4,750	$	4,550,167
3.20%, 09/23/26 (Call 06/23/26)		9,849		9,172,965
Wyeth LLC
5.95%, 04/01/37		3,540		4,502,314
6.00%, 02/15/36		810		1,017,984
6.45%, 02/01/24		1,350		1,581,795
6.50%, 02/01/34		716		931,151
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)		2,140		2,009,867
3.25%, 02/01/23 (Call 11/01/22)		2,746		2,723,181
3.45%, 11/13/20 (Call 10/13/20)		970		980,903
3.95%, 09/12/47 (Call 03/12/47)		1,010		957,722
4.50%, 11/13/25 (Call 08/13/25)		1,190		1,257,723
4.70%, 02/01/43 (Call 08/01/42)		4,695		4,981,066

				639,191,898
PIPELINES — 0.94%
Andeavor Logistics LP/Tesoro Logistics Finance Corp.
3.50%, 12/01/22 (Call 11/01/22)		275		270,754
4.25%, 12/01/27 (Call 09/01/27)		770		752,175
5.20%, 12/01/47 (Call 06/01/47)		955		931,526
5.25%, 01/15/25 (Call 01/15/21)		1,125		1,154,408
5.50%, 10/15/19 (Call 09/15/19)		175		180,798
Boardwalk Pipelines LP
3.38%, 02/01/23 (Call 11/01/22)		7,690		7,478,833
4.45%, 07/15/27 (Call 04/15/27)		1,935		1,893,746
5.75%, 09/15/19		1,085		1,125,112
5.95%, 06/01/26 (Call 03/01/26)		1,095		1,185,896


Security	Principal (000s)		Value
Buckeye Partners LP
3.95%, 12/01/26 (Call 09/01/26)	$	1,465	$	1,397,932
4.15%, 07/01/23 (Call 04/01/23)		5,475		5,502,211
4.35%, 10/15/24 (Call 07/15/24)		1,200		1,207,908
4.88%, 02/01/21 (Call 11/01/20)		7,580		7,831,656
5.60%, 10/15/44 (Call 04/15/44)		950		963,015
5.85%, 11/15/43 (Call 05/15/43)		1,190		1,253,463
Columbia Pipeline Group Inc.
4.50%, 06/01/25 (Call 03/01/25)		4,068		4,193,416
5.80%, 06/01/45 (Call 12/01/44)		1,050		1,218,042
El Paso Natural Gas Co. LLC
8.38%, 06/15/32		525		672,467
8.63%, 01/15/22		2,365		2,772,939
Enable Midstream Partners LP
2.40%, 05/15/19 (Call 04/15/19)		1,150		1,139,294
3.90%, 05/15/24 (Call 02/15/24)		675		664,598
4.40%, 03/15/27 (Call 12/15/26)		435		428,988
5.00%, 05/15/44 (Call 11/15/43)		40		37,996
Enbridge Energy Partners LP
4.20%, 09/15/21 (Call 06/15/21)		1,900		1,946,474
4.38%, 10/15/20 (Call 09/15/20)		1,700		1,747,685
5.20%, 03/15/20		625		650,106
5.50%, 09/15/40 (Call 03/15/40)		435		461,161
5.88%, 10/15/25 (Call 07/15/25)		3,000		3,327,960
7.38%, 10/15/45 (Call 04/15/45)		1,075		1,407,497
9.88%, 03/01/19		400		427,208


Security	Principal (000s)		Value
Series B
7.50%, 04/15/38	$	1,120	$	1,423,834
Enbridge Inc.
2.90%, 07/15/22 (Call 06/15/22)		555		538,300
3.50%, 06/10/24 (Call 03/10/24)		2,840		2,793,708
3.70%, 07/15/27 (Call 04/15/27)		1,545		1,491,157
4.00%, 10/01/23 (Call 07/01/23)		100		101,775
4.25%, 12/01/26 (Call 09/01/26)		1,158		1,168,248
4.50%, 06/10/44 (Call 12/10/43)		1,605		1,566,817
5.50%, 12/01/46 (Call 05/29/46)		2,405		2,710,435
Energy Transfer LP
3.60%, 02/01/23 (Call 11/01/22)		10,420		10,281,414
4.05%, 03/15/25 (Call 12/15/24)		1,620		1,594,307
4.15%, 10/01/20 (Call 08/01/20)		2,750		2,808,520
4.65%, 06/01/21 (Call 03/01/21)		2,588		2,679,900
4.75%, 01/15/26 (Call 10/15/25)		3,138		3,188,365
4.90%, 02/01/24 (Call 11/01/23)		1,000		1,035,720
4.90%, 03/15/35 (Call 09/15/34)		1,600		1,532,272
5.15%, 02/01/43 (Call 08/01/42)		1,030		972,598
5.15%, 03/15/45 (Call 09/15/44)		5,555		5,217,978
5.20%, 02/01/22 (Call 11/01/21)		3,760		3,961,235
5.30%, 04/15/47 (Call 10/15/46)		768		743,816
5.95%, 10/01/43 (Call 04/01/43)		25		26,065
6.05%, 06/01/41 (Call 12/01/40)		460		483,971


Security	Principal (000s)		Value
6.13%, 12/15/45 (Call 06/15/45)	$	4,331	$	4,617,106
6.50%, 02/01/42 (Call 08/01/41)		4,975		5,492,997
6.63%, 10/15/36		30		33,672
7.50%, 07/01/38		1,000		1,215,030
7.60%, 02/01/24 (Call 11/01/23)		1,940		2,222,658
9.70%, 03/15/19		2,462		2,633,429
Energy Transfer LP/Regency Energy Finance Corp.
4.50%, 11/01/23 (Call 08/01/23)		325		330,145
5.00%, 10/01/22 (Call 07/01/22)		5,147		5,390,402
5.75%, 09/01/20 (Call 06/01/20)		2,250		2,368,710
5.88%, 03/01/22 (Call 12/01/21)		2,100		2,255,232
EnLink Midstream Partners LP
4.15%, 06/01/25 (Call 03/01/25)		2,525		2,470,662
4.40%, 04/01/24 (Call 01/01/24)		4,003		4,025,177
4.85%, 07/15/26 (Call 04/15/26)		1,375		1,407,271
5.05%, 04/01/45 (Call 10/01/44)		1,111		1,052,317
5.45%, 06/01/47 (Call 12/01/46)		1,765		1,766,924
5.60%, 04/01/44 (Call 10/01/43)		1,660		1,670,192
Enterprise Products Operating LLC
2.55%, 10/15/19 (Call 09/15/19)		2,869		2,855,085
2.80%, 02/15/21		1,100		1,093,268
2.85%, 04/15/21 (Call 03/15/21)		1,435		1,425,055
3.35%, 03/15/23 (Call 12/15/22)		3,625		3,617,097
3.70%, 02/15/26 (Call 11/15/25)		5,099		5,074,627


Security	Principal (000s)		Value
3.75%, 02/15/25 (Call 11/15/24)	$	3,785	$	3,805,250
3.90%, 02/15/24 (Call 11/15/23)		3,680		3,741,898
3.95%, 02/15/27 (Call 11/15/26)^d		870		879,170
4.25%, 02/15/48 (Call 08/15/47)		3,500		3,359,580
4.45%, 02/15/43 (Call 08/15/42)		480		475,075
4.85%, 08/15/42 (Call 02/15/42)		5,563		5,804,212
4.85%, 03/15/44 (Call 09/15/43)		5,241		5,484,602
4.90%, 05/15/46 (Call 11/15/45)		2,315		2,444,177
4.95%, 10/15/54 (Call 04/15/54)		125		129,991
5.10%, 02/15/45 (Call 08/15/44)		5,328		5,766,548
5.20%, 09/01/20		572		601,818
5.25%, 01/31/20		1,240		1,293,754
5.70%, 02/15/42		350		407,421
5.95%, 02/01/41		2,030		2,392,132
6.13%, 10/15/39		1,480		1,785,206
6.45%, 09/01/40		685		854,092
7.55%, 04/15/38		355		476,708
Series D
6.88%, 03/01/33		265		333,603
Series E
(3 mo. LIBOR US + 3.033%)
5.25%, 08/16/77 (Call 08/16/27)^a,e		250		241,793
Series H
6.65%, 10/15/34		2,225		2,770,859
EQT Midstream Partners LP
4.00%, 08/01/24 (Call 05/01/24)		1,650		1,615,894
Gulf South Pipeline Co. LP
4.00%, 06/15/22 (Call 03/15/22)		200		201,226


Security	Principal (000s)		Value
Kinder Morgan Energy Partners LP
3.45%, 02/15/23 (Call 11/15/22)	$	1,475	$	1,457,964
3.50%, 03/01/21 (Call 01/01/21)		2,735		2,748,374
3.50%, 09/01/23 (Call 06/01/23)		3,300		3,243,372
3.95%, 09/01/22 (Call 06/01/22)		2,219		2,246,893
4.15%, 02/01/24 (Call 11/01/23)		6,158		6,225,492
4.25%, 09/01/24 (Call 06/01/24)		125		126,596
4.30%, 05/01/24 (Call 02/01/24)		1,060		1,075,783
4.70%, 11/01/42 (Call 05/01/42)		55		51,757
5.00%, 10/01/21 (Call 07/01/21)		1,939		2,035,426
5.00%, 08/15/42 (Call 02/15/42)		105		102,696
5.00%, 03/01/43 (Call 09/01/42)		495		484,174
5.30%, 09/15/20		2,635		2,768,147
5.40%, 09/01/44 (Call 03/01/44)		1,605		1,634,869
5.50%, 03/01/44 (Call 09/01/43)		2,170		2,239,787
5.63%, 09/01/41		2,300		2,392,713
5.80%, 03/15/35		75		81,638
6.38%, 03/01/41		375		426,401
6.50%, 04/01/20		1,967		2,097,648
6.50%, 02/01/37		25		28,295
6.50%, 09/01/39		605		692,338
6.55%, 09/15/40		815		939,573
6.85%, 02/15/20		775		829,010
6.95%, 01/15/38		3,320		4,041,403
7.30%, 08/15/33		525		640,925
7.40%, 03/15/31		325		392,057
7.50%, 11/15/40		1,167		1,473,874


Security	Principal (000s)		Value
Kinder Morgan Inc./DE
3.05%, 12/01/19 (Call 11/01/19)	$	2,040	$	2,040,816
3.15%, 01/15/23 (Call 12/15/22)		1,808		1,771,316
4.30%, 06/01/25 (Call 03/01/25)		6,900		6,981,765
4.30%, 03/01/28 (Call 12/01/27)		1,000		996,620
5.05%, 02/15/46 (Call 08/15/45)		5,560		5,470,873
5.30%, 12/01/34 (Call 06/01/34)		8,015		8,222,989
5.55%, 06/01/45 (Call 12/01/44)		5,768		6,057,496
7.75%, 01/15/32		285		362,885
7.80%, 08/01/31		550		693,363
Magellan Midstream Partners LP
3.20%, 03/15/25 (Call 12/15/24)		200		191,028
4.20%, 12/01/42 (Call 06/01/42)		400		374,400
4.20%, 03/15/45 (Call 09/15/44)		225		208,658
4.20%, 10/03/47 (Call 04/03/47)		1,615		1,555,164
4.25%, 02/01/21		2,000		2,060,480
4.25%, 09/15/46 (Call 03/15/46)		635		615,671
5.00%, 03/01/26 (Call 12/01/25)		2,500		2,705,550
5.15%, 10/15/43 (Call 04/15/43)		710		774,922
6.40%, 05/01/37		1,150		1,429,795
6.55%, 07/15/19		379		397,086
MPLX LP
4.00%, 02/15/25 (Call 11/15/24)		100		99,852
4.13%, 03/01/27 (Call 12/01/26)		890		884,883
4.50%, 07/15/23 (Call 04/15/23)		2,170		2,243,346


Security	Principal (000s)		Value
4.70%, 04/15/48 (Call 10/15/47)	$	1,500	$	1,453,215
4.88%, 12/01/24 (Call 09/01/24)		7,740		8,157,883
4.88%, 06/01/25 (Call 03/01/25)		1,750		1,838,147
5.20%, 03/01/47 (Call 09/01/46)		946		984,370
5.50%, 02/15/23 (Call 04/02/18)		3,116		3,203,684
ONEOK Inc.
4.00%, 07/13/27 (Call 04/13/27)^d		1,425		1,405,164
4.95%, 07/13/47 (Call 01/06/47)		1,250		1,266,337
7.50%, 09/01/23 (Call 06/01/23)		150		176,025
ONEOK Partners LP
3.38%, 10/01/22 (Call 07/01/22)		5,150		5,095,204
4.90%, 03/15/25 (Call 12/15/24)		511		537,219
6.13%, 02/01/41 (Call 08/01/40)		3,775		4,355,595
6.20%, 09/15/43 (Call 03/15/43)		50		58,769
6.65%, 10/01/36		1,150		1,382,737
6.85%, 10/15/37		1,000		1,228,850
Phillips 66 Partners LP
2.65%, 02/15/20 (Call 01/15/20)		2,500		2,486,700
3.61%, 02/15/25 (Call 11/15/24)		250		245,595
3.75%, 03/01/28 (Call 12/01/27)		5,846		5,666,995
4.68%, 02/15/45 (Call 08/15/44)		685		673,533
4.90%, 10/01/46 (Call 04/01/46)		50		50,394
Plains All American Pipeline LP/PAA Finance Corp.
2.60%, 12/15/19 (Call 11/15/19)		3,336		3,295,301


Security	Principal (000s)		Value
2.85%, 01/31/23 (Call 10/31/22)	$	650	$	613,496
3.60%, 11/01/24 (Call 08/01/24)		3,493		3,334,138
3.65%, 06/01/22 (Call 03/01/22)		2,363		2,332,116
3.85%, 10/15/23 (Call 07/15/23)		1,710		1,684,435
4.50%, 12/15/26 (Call 09/15/26)		1,250		1,239,762
4.65%, 10/15/25 (Call 07/15/25)		4,775		4,807,136
4.70%, 06/15/44 (Call 12/15/43)		1,221		1,108,363
4.90%, 02/15/45 (Call 08/15/44)		1,115		1,045,045
5.00%, 02/01/21 (Call 11/01/20)		3,710		3,841,742
5.15%, 06/01/42 (Call 12/01/41)		1,905		1,826,609
6.65%, 01/15/37		1,009		1,152,046
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)		1,435		1,407,534
5.00%, 03/15/27 (Call 09/15/26)		5,090		5,286,016
5.63%, 02/01/21 (Call 11/01/20)		9,150		9,661,210
5.63%, 04/15/23 (Call 01/15/23)		4,125		4,420,721
5.63%, 03/01/25 (Call 12/01/24)		9,653		10,389,234
5.75%, 05/15/24 (Call 02/15/24)		5,305		5,728,498
5.88%, 06/30/26 (Call 12/31/25)		4,481		4,897,867
6.25%, 03/15/22 (Call 12/15/21)		2,350		2,562,604
Southern Natural Gas Co. LLC
8.00%, 03/01/32		930		1,218,384
Southern Natural Gas Co. LLC/ Southern Natural Issuing Corp.
4.40%, 06/15/21 (Call 03/15/21)		2,865		2,949,804


Security	Principal (000s)		Value
Spectra Energy Capital LLC
3.30%, 03/15/23 (Call 03/27/18)	$	2,964	$	3,016,077
Spectra Energy Partners LP
3.38%, 10/15/26 (Call 07/15/26)		1,405		1,338,473
3.50%, 03/15/25 (Call 12/15/24)		2,380		2,312,075
4.50%, 03/15/45 (Call 09/15/44)		3,560		3,484,030
4.60%, 06/15/21 (Call 03/15/21)		1,042		1,081,617
4.75%, 03/15/24 (Call 12/15/23)		485		510,429
5.95%, 09/25/43 (Call 03/25/43)		400		469,088
Sunoco Logistics Partners Operations LP
3.45%, 01/15/23 (Call 10/15/22)		2,020		1,978,449
3.90%, 07/15/26 (Call 04/15/26)		1,240		1,189,693
4.00%, 10/01/27 (Call 07/01/27)		850		811,427
4.40%, 04/01/21 (Call 03/01/21)		10		10,298
4.65%, 02/15/22		2,236		2,318,016
5.30%, 04/01/44 (Call 10/01/43)		2,813		2,727,091
5.35%, 05/15/45 (Call 11/15/44)		1,712		1,653,758
5.95%, 12/01/25 (Call 09/01/25)		500		545,720
6.10%, 02/15/42		1,700		1,807,219
6.85%, 02/15/40		290		318,585
TC PipeLines LP
3.90%, 05/25/27 (Call 02/25/27)		1,585		1,541,745
4.38%, 03/13/25 (Call 12/13/24)		1,225		1,244,110
4.65%, 06/15/21 (Call 03/15/21)		1,030		1,062,847
Tennessee Gas Pipeline Co. LLC
7.00%, 10/15/28		2,935		3,499,078


Security	Principal (000s)		Value
Texas Eastern Transmission LP
7.00%, 07/15/32	$	190	$	236,858
TransCanada PipeLines Ltd.
2.50%, 08/01/22		1,925		1,871,985
3.75%, 10/16/23 (Call 07/16/23)		1,775		1,816,695
3.80%, 10/01/20		1,386		1,417,587
4.63%, 03/01/34 (Call 12/01/33)		3,109		3,296,255
4.88%, 01/15/26 (Call 10/15/25)		2,945		3,197,710
5.00%, 10/16/43 (Call 04/16/43)		151		167,432
5.60%, 03/31/34		700		803,768
5.85%, 03/15/36		2,225		2,673,382
6.10%, 06/01/40		2,430		3,025,447
6.20%, 10/15/37		3,000		3,737,280
7.25%, 08/15/38		2,546		3,487,180
7.63%, 01/15/39		3,542		5,032,934
Transcontinental Gas Pipe Line Co. LLC
4.45%, 08/01/42 (Call 02/01/42)		5		4,939
5.40%, 08/15/41 (Call 02/15/41)		1,365		1,536,403
7.85%, 02/01/26 (Call 11/01/25)		3,675		4,576,000
Western Gas Partners LP
3.95%, 06/01/25 (Call 03/01/25)		50		48,779
4.00%, 07/01/22 (Call 04/01/22)		3,750		3,760,312
4.65%, 07/01/26 (Call 04/01/26)		1,100		1,115,356
5.38%, 06/01/21 (Call 03/01/21)		2,700		2,819,961
5.45%, 04/01/44 (Call 10/01/43)		135		138,120
Williams Partners LP
3.35%, 08/15/22 (Call 05/15/22)		2,165		2,142,614
3.60%, 03/15/22 (Call 01/15/22)		3,382		3,389,170


Security	Principal (000s)		Value
3.75%, 06/15/27 (Call 03/15/27)	$	3,275	$	3,183,595
3.90%, 01/15/25 (Call 10/15/24)		2,450		2,434,050
4.00%, 11/15/21 (Call 08/15/21)		2,222		2,266,084
4.00%, 09/15/25 (Call 06/15/25)		3,960		3,944,992
4.13%, 11/15/20 (Call 08/15/20)		3,855		3,944,629
4.30%, 03/04/24 (Call 12/04/23)		3,498		3,582,896
4.90%, 01/15/45 (Call 07/15/44)		1,600		1,609,600
5.10%, 09/15/45 (Call 03/15/45)		960		992,544
5.25%, 03/15/20		1,425		1,486,859
5.40%, 03/04/44 (Call 09/04/43)		160		170,907
5.80%, 11/15/43 (Call 05/15/43)		1,003		1,138,315
6.30%, 04/15/40		4,613		5,454,181
Williams Partners LP/ACMP Finance Corp.
4.88%, 03/15/24 (Call 03/28/18)		3,100		3,240,926

				516,777,974
REAL ESTATE — 0.02%
Brookfield Asset Management Inc.
4.00%, 01/15/25 (Call 10/15/24)		1,150		1,151,518
CBRE Services Inc.
4.88%, 03/01/26 (Call 12/01/25)		3,914		4,115,336
5.25%, 03/15/25 (Call 12/15/24)		2,180		2,332,186
Prologis LP
3.75%, 11/01/25 (Call 08/01/25)		1,370		1,392,893
4.25%, 08/15/23 (Call 05/15/23)		2,080		2,174,640

				11,166,573


Security	Principal (000s)		Value
REAL ESTATE INVESTMENT TRUSTS — 0.74%
Alexandria Real Estate Equities Inc.
2.75%, 01/15/20 (Call 12/15/19)	$	2,000	$	1,992,760
3.45%, 04/30/25 (Call 02/28/25)		100		96,633
3.90%, 06/15/23 (Call 03/15/23)		1,500		1,522,230
3.95%, 01/15/28 (Call 10/15/27)		348		342,129
4.30%, 01/15/26 (Call 10/15/25)		40		40,618
4.50%, 07/30/29 (Call 04/30/29)		320		327,443
4.60%, 04/01/22 (Call 01/01/22)		1,800		1,880,784
American Campus Communities Operating Partnership LP
3.35%, 10/01/20 (Call 09/01/20)		100		100,941
3.63%, 11/15/27 (Call 08/15/27)		75		72,098
3.75%, 04/15/23 (Call 01/15/23)		3,000		3,010,590
American Tower Corp.
2.25%, 01/15/22		1,815		1,742,999
2.80%, 06/01/20 (Call 05/01/20)		865		860,467
3.00%, 06/15/23		870		848,363
3.13%, 01/15/27 (Call 10/15/26)		2,225		2,061,685
3.30%, 02/15/21 (Call 01/15/21)		923		925,557
3.38%, 10/15/26 (Call 07/15/26)		1,330		1,261,904
3.45%, 09/15/21		1,106		1,113,244
3.50%, 01/31/23		5,358		5,354,785
3.55%, 07/15/27 (Call 04/15/27)		2,530		2,410,179
3.60%, 01/15/28 (Call 10/15/27)		2,850		2,711,461
4.00%, 06/01/25 (Call 03/01/25)		4,683		4,692,787


Security	Principal (000s)		Value
4.40%, 02/15/26 (Call 11/15/25)	$	105	$	107,395
4.70%, 03/15/22		3,468		3,631,135
5.00%, 02/15/24		5,160		5,507,474
AvalonBay Communities Inc.
2.85%, 03/15/23 (Call 12/15/22)		500		489,955
2.90%, 10/15/26 (Call 07/15/26)		1,000		943,530
2.95%, 09/15/22 (Call 06/15/22)		2,100		2,076,774
2.95%, 05/11/26 (Call 02/11/26)		1,125		1,071,315
3.20%, 01/15/28 (Call 10/15/27)		2,150		2,063,806
3.35%, 05/15/27 (Call 02/15/27)		500		489,070
3.45%, 06/01/25 (Call 03/03/25)		1,365		1,356,946
3.50%, 11/15/25 (Call 08/15/25)		230		228,696
3.63%, 10/01/20 (Call 07/01/20)		365		371,201
3.95%, 01/15/21 (Call 10/15/20)		1,450		1,485,757
4.15%, 07/01/47 (Call 01/01/47)		500		495,885
4.20%, 12/15/23 (Call 09/16/23)		250		260,920
Boston Properties LP
2.75%, 10/01/26 (Call 07/01/26)		406		375,298
3.13%, 09/01/23 (Call 06/01/23)		4,375		4,318,037
3.20%, 01/15/25 (Call 10/15/24)		95		92,150
3.65%, 02/01/26 (Call 11/03/25)		2,147		2,129,545
3.80%, 02/01/24 (Call 11/01/23)		3,063		3,110,231
3.85%, 02/01/23 (Call 11/01/22)		1,666		1,706,034
4.13%, 05/15/21 (Call 02/15/21)		1,377		1,421,050


Security	Principal (000s)		Value
5.63%, 11/15/20 (Call 08/15/20)	$	1,855	$	1,978,098
5.88%, 10/15/19 (Call 07/17/19)		3,375		3,522,960
Brandywine Operating Partnership LP
3.95%, 11/15/27 (Call 08/15/27)		1,900		1,832,664
Brixmor Operating Partnership LP
3.65%, 06/15/24 (Call 04/15/24)		80		78,322
3.88%, 08/15/22 (Call 06/15/22)		235		236,694
3.90%, 03/15/27 (Call 12/15/26)		4,775		4,587,915
4.13%, 06/15/26 (Call 03/15/26)		550		540,612
Camden Property Trust
2.95%, 12/15/22 (Call 09/15/22)		875		856,555
4.25%, 01/15/24 (Call 10/15/23)		1,150		1,179,428
4.63%, 06/15/21 (Call 03/15/21)		122		127,067
CBL & Associates LP
4.60%, 10/15/24 (Call 07/15/24)^d		1,250		1,025,912
5.25%, 12/01/23 (Call 09/01/23)^d		4,500		3,822,120
5.95%, 12/15/26 (Call 09/15/26)^d		35		29,892
CC Holdings GS V LLC/Crown Castle GS III Corp.
3.85%, 04/15/23		6,850		6,897,402
Columbia Property Trust Operating Partnership LP
3.65%, 08/15/26 (Call 05/15/26)		200		189,734
Corporate Office Properties LP
3.60%, 05/15/23 (Call 02/15/23)		1,440		1,418,458
3.70%, 06/15/21 (Call 04/15/21)		2,650		2,660,149


Security	Principal (000s)		Value
5.00%, 07/01/25 (Call 04/01/25)	$	5,000	$	5,188,550
5.25%, 02/15/24 (Call 11/15/23)		940		987,414
Crown Castle International Corp.
2.25%, 09/01/21 (Call 08/01/21)		1,291		1,250,837
3.20%, 09/01/24 (Call 07/01/24)		1,120		1,079,030
3.40%, 02/15/21 (Call 01/15/21)		2,470		2,486,080
3.65%, 09/01/27 (Call 06/01/27)		4,725		4,524,660
3.70%, 06/15/26 (Call 03/15/26)		1,900		1,832,569
3.80%, 02/15/28 (Call 11/15/27)		300		289,227
4.00%, 03/01/27 (Call 12/01/26)		350		346,560
4.45%, 02/15/26 (Call 11/15/25)		1,600		1,633,568
4.75%, 05/15/47 (Call 11/15/46)		990		993,208
4.88%, 04/15/22		1,245		1,309,790
5.25%, 01/15/23		8,439		9,044,414
CubeSmart LP
3.13%, 09/01/26 (Call 06/01/26)		500		462,340
4.38%, 12/15/23 (Call 09/15/23)		500		516,810
DDR Corp.
3.63%, 02/01/25 (Call 11/01/24)		515		496,939
4.25%, 02/01/26 (Call 11/01/25)		1,417		1,403,014
4.63%, 07/15/22 (Call 04/15/22)		150		155,367
4.70%, 06/01/27 (Call 03/01/27)^d		650		662,779
Digital Realty Trust LP
2.75%, 02/01/23 (Call 01/01/23)		1,000		970,040


Security	Principal (000s)		Value
3.40%, 10/01/20 (Call 09/01/20)	$	1,000	$	1,011,430
3.63%, 10/01/22 (Call 07/03/22)		3,350		3,387,553
3.70%, 08/15/27 (Call 05/15/27)		650		632,678
4.75%, 10/01/25 (Call 07/01/25)		1,300		1,375,322
5.25%, 03/15/21 (Call 12/15/20)		1,858		1,961,361
Duke Realty LP
3.38%, 12/15/27 (Call 09/15/27)		4,725		4,580,415
3.88%, 02/15/21 (Call 12/15/20)		850		867,111
3.88%, 10/15/22 (Call 07/15/22)		1,800		1,840,914
4.38%, 06/15/22 (Call 03/15/22)		2,875		2,994,485
EPR Properties
4.50%, 04/01/25 (Call 01/01/25)		1,000		998,780
4.50%, 06/01/27 (Call 03/01/27)		2,000		1,972,040
4.75%, 12/15/26 (Call 09/15/26)		2,275		2,279,709
5.75%, 08/15/22 (Call 05/15/22)		775		829,529
ERP Operating LP
2.38%, 07/01/19 (Call 06/01/19)		346		344,619
2.85%, 11/01/26 (Call 08/01/26)		1,775		1,670,186
3.00%, 04/15/23 (Call 01/15/23)		211		209,188
3.25%, 08/01/27 (Call 05/01/27)		250		241,528
3.38%, 06/01/25 (Call 03/01/25)		8		7,928
3.50%, 03/01/28 (Call 12/01/27)		1,000		983,060
4.00%, 08/01/47 (Call 02/01/47)		250		241,158


Security	Principal (000s)		Value
4.50%, 07/01/44 (Call 01/01/44)	$	2,645	$	2,757,598
4.50%, 06/01/45 (Call 12/01/44)		720		751,162
4.63%, 12/15/21 (Call 09/15/21)		1,370		1,442,583
4.75%, 07/15/20 (Call 04/15/20)		5,915		6,159,171
Essex Portfolio LP
3.38%, 01/15/23 (Call 10/15/22)		220		218,750
3.38%, 04/15/26 (Call 01/15/26)		350		337,435
3.63%, 08/15/22 (Call 05/15/22)		750		756,443
3.63%, 05/01/27 (Call 02/01/27)		1,400		1,368,038
3.88%, 05/01/24 (Call 02/01/24)		625		630,894
4.50%, 03/15/48		1,000		1,005,340
5.20%, 03/15/21 (Call 12/15/20)		940		987,573
Federal Realty Investment Trust
3.25%, 07/15/27 (Call 04/15/27)		1,000		955,020
4.50%, 12/01/44 (Call 06/01/44)		185		191,066
HCP Inc.
3.40%, 02/01/25 (Call 11/01/24)		675		656,249
3.88%, 08/15/24 (Call 05/17/24)		1,614		1,617,131
4.00%, 12/01/22 (Call 10/01/22)		1,150		1,182,878
4.00%, 06/01/25 (Call 03/01/25)		3,367		3,379,256
4.25%, 11/15/23 (Call 08/15/23)		10,143		10,448,304
5.38%, 02/01/21 (Call 11/03/20)		603		637,654
6.75%, 02/01/41 (Call 08/01/40)		240		305,114


Security	Principal (000s)		Value
Healthcare Realty Trust Inc.
3.63%, 01/15/28 (Call 10/15/27)	$	565	$	542,880
3.75%, 04/15/23 (Call 01/15/23)		800		799,800
Healthcare Trust of America Holdings LP
3.70%, 04/15/23 (Call 01/15/23)		2,500		2,505,050
3.75%, 07/01/27 (Call 04/01/27)		1,025		989,361
Highwoods Realty LP
3.63%, 01/15/23 (Call 10/15/22)		1,840		1,824,268
3.88%, 03/01/27 (Call 12/01/26)		2,000		1,949,280
Hospitality Properties Trust
3.95%, 01/15/28 (Call 07/15/27)		450		424,652
4.25%, 02/15/21 (Call 11/15/20)		3,175		3,243,199
4.50%, 06/15/23 (Call 12/15/22)		4,158		4,276,752
4.50%, 03/15/25 (Call 09/15/24)		750		755,453
4.65%, 03/15/24 (Call 09/15/23)		925		946,886
5.00%, 08/15/22 (Call 02/15/22)		3,000		3,134,880
5.25%, 02/15/26 (Call 08/15/25)		450		469,877
Host Hotels & Resorts LP
3.88%, 04/01/24 (Call 02/01/24)		500		494,705
4.00%, 06/15/25 (Call 03/15/25)		4,855		4,809,606
5.25%, 03/15/22 (Call 12/15/21)		240		253,339
Series D
3.75%, 10/15/23 (Call 07/15/23)		2,595		2,581,091
Series F
4.50%, 02/01/26 (Call 11/01/25)		1,270		1,289,609


Security	Principal (000s)		Value
Hudson Pacific Properties LP
3.95%, 11/01/27	$	125	$	119,405
Kilroy Realty LP
3.45%, 12/15/24 (Call 09/15/24)		3,000		2,913,690
4.25%, 08/15/29 (Call 05/15/29)		965		958,100
Kimco Realty Corp.
2.70%, 03/01/24 (Call 01/01/24)		700		660,758
2.80%, 10/01/26 (Call 07/01/26)		800		730,248
3.13%, 06/01/23 (Call 03/01/23)		1,500		1,465,155
3.20%, 05/01/21 (Call 03/01/21)		1,094		1,097,720
3.30%, 02/01/25 (Call 12/01/24)		430		414,266
3.80%, 04/01/27 (Call 01/01/27)		1,000		978,900
4.25%, 04/01/45 (Call 10/01/44)		3,265		3,083,172
4.45%, 09/01/47 (Call 03/01/47)		675		648,817
Liberty Property LP
4.40%, 02/15/24 (Call 11/15/23)		1,050		1,092,105
4.75%, 10/01/20 (Call 07/01/20)		2,000		2,081,440
Lifestorage LP/CA
3.50%, 07/01/26 (Call 04/01/26)		250		238,050
Mid-America Apartments LP
3.60%, 06/01/27 (Call 03/01/27)		1,250		1,213,775
3.75%, 06/15/24 (Call 03/15/24)		325		326,820
4.30%, 10/15/23 (Call 07/15/23)		2,900		3,002,515
National Retail Properties Inc.
3.30%, 04/15/23 (Call 01/15/23)		220		217,996
3.50%, 10/15/27 (Call 07/15/27)		3,000		2,856,660


Security	Principal (000s)		Value
3.60%, 12/15/26 (Call 09/15/26)	$	450	$	433,121
3.90%, 06/15/24 (Call 03/15/24)		600		603,648
5.50%, 07/15/21 (Call 04/15/21)		700		745,402
Omega Healthcare Investors Inc.
4.38%, 08/01/23 (Call 06/01/23)		1,500		1,496,385
4.50%, 01/15/25 (Call 10/15/24)		1,430		1,391,333
4.50%, 04/01/27 (Call 01/01/27)^d		2,475		2,364,565
4.75%, 01/15/28 (Call 10/15/27)^d		4,087		3,949,186
4.95%, 04/01/24 (Call 01/01/24)		1,800		1,834,686
5.25%, 01/15/26 (Call 10/15/25)		1,010		1,020,969
Physicians Realty LP
3.95%, 01/15/28 (Call 10/15/27)		2,620		2,509,646
Piedmont Operating Partnership LP
4.45%, 03/15/24 (Call 12/15/23)		850		864,943
Public Storage
3.09%, 09/15/27 (Call 06/15/27)		1,675		1,608,636
Rayonier Inc.
3.75%, 04/01/22 (Call 01/01/22)		675		672,867
Realty Income Corp.
3.00%, 01/15/27 (Call 10/15/26)		60		56,156
3.25%, 10/15/22 (Call 07/15/22)		2,000		1,986,760
3.65%, 01/15/28 (Call 10/15/27)		1,725		1,684,704
3.88%, 07/15/24 (Call 04/15/24)		2,515		2,546,513
4.13%, 10/15/26 (Call 07/15/26)		615		623,167


Security	Principal (000s)		Value
4.65%, 08/01/23 (Call 05/01/23)	$	3,000	$	3,159,660
4.65%, 03/15/47 (Call 09/15/46)		490		510,884
5.75%, 01/15/21 (Call 10/15/20)		75		79,944
Regency Centers Corp.
3.75%, 11/15/22 (Call 08/15/22)		200		200,970
Regency Centers LP
3.60%, 02/01/27 (Call 11/01/26)		150		144,476
3.75%, 06/15/24 (Call 03/15/24)		700		697,081
3.90%, 11/01/25 (Call 08/01/25)		105		104,134
4.40%, 02/01/47 (Call 08/01/46)		1,300		1,270,126
Sabra Health Care LP
5.13%, 08/15/26 (Call 05/15/26)		1,000		973,280
Sabra Health Care LP/Sabra Capital Corp.
5.50%, 02/01/21 (Call 04/02/18)		50		51,238
Select Income REIT
3.60%, 02/01/20 (Call 01/01/20)		975		979,027
4.15%, 02/01/22 (Call 12/01/21)		100		100,423
4.50%, 02/01/25 (Call 11/01/24)		2,325		2,284,498
Senior Housing Properties Trust
3.25%, 05/01/19 (Call 02/01/19)		1,000		1,002,400
4.75%, 05/01/24 (Call 11/01/23)		1,940		1,982,816
Simon Property Group LP
2.35%, 01/30/22 (Call 10/30/21)		1,125		1,094,130
2.50%, 07/15/21 (Call 04/15/21)		1,105		1,089,287
2.63%, 06/15/22 (Call 03/15/22)		3,542		3,463,899


Security	Principal (000s)		Value
2.75%, 02/01/23 (Call 11/01/22)	$	2,409	$	2,353,738
3.30%, 01/15/26 (Call 10/15/25)		1,500		1,458,630
3.38%, 10/01/24 (Call 07/01/24)		4,088		4,060,120
3.38%, 06/15/27 (Call 03/15/27)^d		4,000		3,881,240
3.38%, 12/01/27 (Call 09/01/27)		275		265,141
3.50%, 09/01/25 (Call 06/01/25)		150		149,126
3.75%, 02/01/24 (Call 11/01/23)		1,577		1,605,938
4.13%, 12/01/21 (Call 09/01/21)		4,750		4,918,007
4.25%, 10/01/44 (Call 04/01/44)		700		697,753
4.25%, 11/30/46 (Call 05/30/46)		1,625		1,620,742
4.38%, 03/01/21 (Call 12/01/20)		11,150		11,603,470
4.75%, 03/15/42 (Call 09/15/41)		2,394		2,552,219
6.75%, 02/01/40 (Call 11/01/39)		1,580		2,104,070
SL Green Operating Partnership LP
3.25%, 10/15/22 (Call 09/15/22)		1,150		1,127,621
SL Green Realty Corp.
4.50%, 12/01/22 (Call 09/01/22)		220		226,160
Spirit Realty LP
4.45%, 09/15/26 (Call 06/15/26)		1,000		970,140
Tanger Properties LP
3.13%, 09/01/26 (Call 06/01/26)		250		229,085
3.88%, 12/01/23 (Call 09/01/23)		1,590		1,577,550
UDR Inc.
3.50%, 07/01/27 (Call 04/01/27)		1,500		1,450,425


Security	Principal (000s)		Value
3.50%, 01/15/28 (Call 10/15/27)	$	350	$	338,450
3.70%, 10/01/20 (Call 07/01/20)		200		203,624
4.00%, 10/01/25 (Call 07/01/25)		350		353,486
4.63%, 01/10/22 (Call 10/10/21)		1,650		1,721,659
Ventas Realty LP
3.25%, 10/15/26 (Call 07/15/26)		2,150		2,032,954
3.50%, 02/01/25 (Call 11/01/24)		550		539,055
3.75%, 05/01/24 (Call 02/01/24)		165		165,629
3.85%, 04/01/27 (Call 01/01/27)		950		933,480
4.13%, 01/15/26 (Call 10/15/25)		2,505		2,535,586
4.38%, 02/01/45 (Call 08/01/44)		30		29,104
5.70%, 09/30/43 (Call 03/30/43)		725		844,857
Ventas Realty LP/Ventas Capital Corp.
2.70%, 04/01/20 (Call 01/01/20)		373		371,198
3.25%, 08/15/22 (Call 05/15/22)		125		124,209
4.25%, 03/01/22 (Call 12/01/21)		6,968		7,183,381
4.75%, 06/01/21 (Call 03/01/21)		3,520		3,678,365
VEREIT Operating Partnership LP
3.95%, 08/15/27 (Call 05/15/27)		2,079		1,973,096
4.13%, 06/01/21 (Call 05/01/21)		1,550		1,587,138
4.88%, 06/01/26 (Call 03/01/26)		3,375		3,438,922
Vornado Realty LP
3.50%, 01/15/25 (Call 11/15/24)		250		241,835


Security	Principal (000s)		Value
5.00%, 01/15/22 (Call 10/15/21)	$	2,000	$	2,109,360
Washington REIT
4.95%, 10/01/20 (Call 04/01/20)		1,500		1,550,520
Weingarten Realty Investors
3.25%, 08/15/26 (Call 05/15/26)		325		305,523
4.45%, 01/15/24 (Call 10/15/23)		900		920,178
Welltower Inc.
3.75%, 03/15/23 (Call 12/15/22)		250		253,845
4.00%, 06/01/25 (Call 03/01/25)		2,487		2,505,901
4.13%, 04/01/19 (Call 01/01/19)		1,853		1,873,476
4.25%, 04/01/26 (Call 01/01/26)		525		536,078
4.50%, 01/15/24 (Call 10/15/23)		350		364,091
4.95%, 01/15/21 (Call 10/15/20)		2,200		2,299,528
5.13%, 03/15/43 (Call 09/15/42)		890		956,100
5.25%, 01/15/22 (Call 10/15/21)		4,008		4,276,015
6.13%, 04/15/20		600		640,140
6.50%, 03/15/41 (Call 09/15/40)		2,630		3,310,328
Weyerhaeuser Co.
3.25%, 03/15/23 (Call 12/15/22)		1,735		1,714,284
4.70%, 03/15/21 (Call 12/15/20)		1,750		1,823,570
6.88%, 12/15/33		2,986		3,836,174
6.95%, 10/01/27		460		562,046
7.38%, 03/15/32		2,145		2,820,654
WP Carey Inc.
4.00%, 02/01/25 (Call 11/01/24)		300		296,127
4.60%, 04/01/24 (Call 01/01/24)		1,434		1,477,508

				404,485,581


Security	Principal (000s)		Value
RETAIL — 0.71%
Advance Auto Parts Inc.
4.50%, 01/15/22 (Call 10/15/21)	$	1,250	$	1,292,950
4.50%, 12/01/23 (Call 09/01/23)		1,000		1,032,990
5.75%, 05/01/20		125		131,713
AutoNation Inc.
3.35%, 01/15/21 (Call 12/15/20)		810		812,811
4.50%, 10/01/25 (Call 07/01/25)		4,420		4,485,991
AutoZone Inc.
1.63%, 04/21/19		205		202,640
2.88%, 01/15/23 (Call 10/15/22)		750		731,460
3.13%, 07/15/23 (Call 04/15/23)		1,000		983,520
3.13%, 04/21/26 (Call 01/21/26)		645		609,719
3.25%, 04/15/25 (Call 01/15/25)		2,295		2,216,695
3.70%, 04/15/22 (Call 01/15/22)		950		963,471
3.75%, 06/01/27 (Call 03/01/27)		525		515,933
Bed Bath & Beyond Inc.
4.92%, 08/01/34 (Call 02/01/34)		2,780		2,423,687
5.17%, 08/01/44 (Call 02/01/44)		2,352		1,981,254
Best Buy Co. Inc.
5.50%, 03/15/21 (Call 12/15/20)^d		2,250		2,391,525
Costco Wholesale Corp.
1.70%, 12/15/19		6,140		6,042,742
1.75%, 02/15/20		675		664,902
2.15%, 05/18/21 (Call 04/18/21)		1,895		1,861,838
2.25%, 02/15/22		1,830		1,785,476
2.30%, 05/18/22 (Call 04/18/22)		1,675		1,631,785
2.75%, 05/18/24 (Call 03/18/24)		185		180,105


Security	Principal (000s)		Value
3.00%, 05/18/27 (Call 02/18/27)	$	2,410	$	2,328,566
Darden Restaurants Inc.
3.85%, 05/01/27 (Call 02/01/27)		1,400		1,380,036
4.55%, 02/15/48 (Call 08/15/47)		300		295,836
Dollar General Corp.
3.25%, 04/15/23 (Call 01/15/23)		720		713,326
3.88%, 04/15/27 (Call 01/15/27)		2,550		2,562,546
4.15%, 11/01/25 (Call 08/01/25)		1,100		1,133,099
Home Depot Inc. (The)
1.80%, 06/05/20		1,875		1,844,456
2.00%, 06/15/19 (Call 05/15/19)		2,271		2,260,508
2.00%, 04/01/21 (Call 03/01/21)		2,564		2,504,438
2.13%, 09/15/26 (Call 06/15/26)		1,400		1,263,598
2.63%, 06/01/22 (Call 05/01/22)		4,171		4,118,737
2.70%, 04/01/23 (Call 01/01/23)		1,777		1,744,499
2.80%, 09/14/27 (Call 06/14/27)		1,500		1,413,600
3.00%, 04/01/26 (Call 01/01/26)		3,239		3,140,955
3.35%, 09/15/25 (Call 06/15/25)		3,150		3,131,667
3.50%, 09/15/56 (Call 03/15/56)		1,839		1,625,933
3.75%, 02/15/24 (Call 11/15/23)		4,275		4,406,071
3.90%, 06/15/47 (Call 12/15/46)^d		3,170		3,121,943
4.20%, 04/01/43 (Call 10/01/42)		5,215		5,373,640
4.25%, 04/01/46 (Call 10/01/45)		5,715		5,912,453
4.40%, 04/01/21 (Call 01/01/21)		7,101		7,419,196


Security	Principal (000s)		Value
4.40%, 03/15/45 (Call 09/15/44)	$	3,740	$	3,954,414
4.88%, 02/15/44 (Call 08/15/43)		2,560		2,881,075
5.40%, 09/15/40 (Call 03/15/40)		1,124		1,345,338
5.88%, 12/16/36		5,265		6,718,719
5.95%, 04/01/41 (Call 10/01/40)		3,275		4,193,244
Kohl’s Corp.
4.00%, 11/01/21 (Call 08/01/21)		815		827,999
4.25%, 07/17/25 (Call 04/17/25)^d		710		721,807
4.75%, 12/15/23 (Call 09/15/23)		3,400		3,572,856
5.55%, 07/17/45 (Call 01/17/45)		1,297		1,273,200
Lowe’s Companies Inc.
2.50%, 04/15/26 (Call 01/15/26)		3,670		3,391,043
3.10%, 05/03/27 (Call 02/03/27)		3,800		3,642,528
3.12%, 04/15/22 (Call 01/15/22)		2,600		2,612,064
3.13%, 09/15/24 (Call 06/15/24)		3,350		3,307,421
3.38%, 09/15/25 (Call 06/15/25)		2,928		2,890,756
3.70%, 04/15/46 (Call 10/15/45)		5,455		5,047,402
3.75%, 04/15/21 (Call 01/15/21)		3,000		3,075,420
3.80%, 11/15/21 (Call 08/15/21)		8,420		8,666,201
4.05%, 05/03/47 (Call 11/03/46)		4,090		4,007,055
4.38%, 09/15/45 (Call 03/15/45)		2,904		2,992,398
4.63%, 04/15/20 (Call 10/15/19)		10,475		10,806,534
4.65%, 04/15/42 (Call 10/15/41)		1,735		1,863,737


Security	Principal (000s)		Value
Macy’s Retail Holdings Inc.
2.88%, 02/15/23 (Call 11/15/22)^d	$	1,635	$	1,525,079
3.63%, 06/01/24 (Call 03/01/24)^d		1,411		1,349,438
3.88%, 01/15/22 (Call 10/15/21)^d		2,900		2,900,348
4.38%, 09/01/23 (Call 06/01/23)^d		1,150		1,148,862
4.50%, 12/15/34 (Call 06/15/34)		2,765		2,412,131
6.90%, 04/01/29		1,850		1,958,207
McDonald’s Corp.
2.20%, 05/26/20 (Call 04/26/20)		3,115		3,081,763
2.63%, 01/15/22		3,436		3,379,100
2.75%, 12/09/20 (Call 11/09/20)		2,161		2,158,018
3.38%, 05/26/25 (Call 02/26/25)		1,908		1,888,519
3.50%, 03/01/27 (Call 12/01/26)		3,050		2,999,888
3.63%, 05/20/21		808		826,689
3.63%, 05/01/43		625		566,500
3.70%, 01/30/26 (Call 10/30/25)		7,380		7,392,989
3.70%, 02/15/42		2,426		2,230,246
4.45%, 03/01/47 (Call 09/01/46)		2,250		2,304,518
4.60%, 05/26/45 (Call 11/26/44)		2,775		2,899,931
4.70%, 12/09/35 (Call 06/09/35)		890		952,469
4.88%, 07/15/40		175		190,344
4.88%, 12/09/45 (Call 06/09/45)		3,163		3,441,818
6.30%, 10/15/37		2,035		2,593,791
6.30%, 03/01/38		2,603		3,328,768
Nordstrom Inc.
4.00%, 10/15/21 (Call 07/15/21)		2,120		2,148,260
4.00%, 03/15/27 (Call 12/15/26)^d		1,440		1,408,450


Security	Principal (000s)		Value
4.75%, 05/01/20	$	4,755	$	4,846,201
5.00%, 01/15/44 (Call 07/15/43)		1,653		1,595,443
6.95%, 03/15/28		2,350		2,470,908
O’Reilly Automotive Inc.
3.55%, 03/15/26 (Call 12/15/25)		680		665,570
3.80%, 09/01/22 (Call 06/01/22)		200		205,544
3.85%, 06/15/23 (Call 03/15/23)		1,750		1,789,253
4.63%, 09/15/21 (Call 06/15/21)^d		1,100		1,150,402
4.88%, 01/14/21 (Call 10/14/20)		10		10,451
QVC Inc.
3.13%, 04/01/19		200		200,284
4.38%, 03/15/23		7,773		7,765,693
4.45%, 02/15/25 (Call 11/15/24)		600		591,096
4.85%, 04/01/24		1,575		1,597,082
5.13%, 07/02/22		7,990		8,260,222
5.45%, 08/15/34 (Call 02/15/34)		2,295		2,190,073
5.95%, 03/15/43		415		399,404
Starbucks Corp.
2.10%, 02/04/21 (Call 01/04/21)		4,840		4,756,655
2.20%, 11/22/20		955		944,715
2.45%, 06/15/26 (Call 03/15/26)		1,765		1,642,333
3.10%, 03/01/23 (Call 02/01/23)		1,000		998,190
3.50%, 03/01/28 (Call 12/01/27)		1,000		992,740
3.75%, 12/01/47 (Call 06/01/47)		2,050		1,942,908
3.85%, 10/01/23 (Call 07/01/23)		1,850		1,921,225
4.30%, 06/15/45 (Call 12/15/44)		1,020		1,060,259
Tapestry Inc.
3.00%, 07/15/22 (Call 06/15/22)		1,470		1,434,676


Security	Principal (000s)		Value
4.13%, 07/15/27 (Call 04/15/27)	$	1,955	$	1,912,577
4.25%, 04/01/25 (Call 01/01/25)		905		903,434
Target Corp.
2.30%, 06/26/19		1,473		1,469,759
2.50%, 04/15/26		1,950		1,811,258
2.90%, 01/15/22		3,410		3,414,808
3.50%, 07/01/24		6,042		6,143,203
3.63%, 04/15/46		8,240		7,532,102
3.88%, 07/15/20		910		936,181
3.90%, 11/15/47 (Call 05/15/47)		2,375		2,272,400
4.00%, 07/01/42		2,708		2,656,169
TJX Companies Inc. (The)
2.25%, 09/15/26 (Call 06/15/26)		6,880		6,219,795
2.50%, 05/15/23 (Call 02/15/23)		1,225		1,188,458
Walgreen Co.
3.10%, 09/15/22		4,405		4,325,798
4.40%, 09/15/42		400		376,956
Walgreens Boots Alliance Inc.
2.70%, 11/18/19 (Call 10/18/19)		4,740		4,725,211
3.30%, 11/18/21 (Call 09/18/21)		2,800		2,804,760
3.45%, 06/01/26 (Call 03/01/26)		3,961		3,752,295
3.80%, 11/18/24 (Call 08/18/24)		2,433		2,417,088
4.50%, 11/18/34 (Call 05/18/34)		4,213		4,160,337
4.65%, 06/01/46 (Call 12/01/45)		345		336,344
4.80%, 11/18/44 (Call 05/18/44)		7,377		7,357,894
Walmart Inc.
1.75%, 10/09/19		370		366,163
1.90%, 12/15/20		6,035		5,925,404
2.35%, 12/15/22 (Call 11/15/22)		6,350		6,182,677
2.55%, 04/11/23 (Call 01/11/23)		3,695		3,619,363


Security	Principal (000s)		Value
2.65%, 12/15/24 (Call 10/15/24)	$	4,000	$	3,885,840
3.30%, 04/22/24 (Call 01/22/24)		5,501		5,556,780
3.63%, 07/08/20		3,000		3,075,330
3.63%, 12/15/47 (Call 06/15/47)		3,630		3,524,331
4.00%, 04/11/43 (Call 10/11/42)		7,767		8,001,874
4.30%, 04/22/44 (Call 10/22/43)		3,555		3,824,398
5.00%, 10/25/40		2,000		2,361,580
5.25%, 09/01/35		655		786,511
5.63%, 04/15/41		240		307,589
5.88%, 04/05/27		55		65,211

				387,146,852
SAVINGS & LOANS — 0.02%
First Niagara Financial Group Inc.
6.75%, 03/19/20		5,000		5,364,350
7.25%, 12/15/21		2,500		2,841,100
People’s United Financial Inc.
3.65%, 12/06/22 (Call 09/06/22)		4,100		4,143,583

				12,349,033
SEMICONDUCTORS — 0.37%
Altera Corp.
4.10%, 11/15/23		1,075		1,129,889
Analog Devices Inc.
2.50%, 12/05/21 (Call 11/05/21)		1,395		1,362,427
3.50%, 12/05/26 (Call 09/05/26)		1,946		1,900,327
3.90%, 12/15/25 (Call 09/15/25)		2,806		2,841,720
4.50%, 12/05/36 (Call 06/05/36)		400		412,680
5.30%, 12/15/45 (Call 06/15/45)		325		372,047
Applied Materials Inc.
2.63%, 10/01/20 (Call 09/01/20)		1,285		1,281,351


Security	Principal (000s)		Value
3.30%, 04/01/27 (Call 01/01/27)	$	7,141	$	6,993,038
3.90%, 10/01/25 (Call 07/01/25)		965		992,116
4.30%, 06/15/21		900		938,880
4.35%, 04/01/47 (Call 10/01/46)		2,485		2,590,712
5.10%, 10/01/35 (Call 04/01/35)		1,400		1,616,034
5.85%, 06/15/41		2,212		2,772,830
Broadcom Corp./Broadcom Cayman Finance Ltd.
2.20%, 01/15/21		4,100		3,972,777
2.38%, 01/15/20		10,265		10,139,562
2.65%, 01/15/23 (Call 12/15/22)		3,560		3,370,003
3.00%, 01/15/22 (Call 12/15/21)		12,100		11,835,736
3.13%, 01/15/25 (Call 11/15/24)		3,140		2,937,062
3.50%, 01/15/28 (Call 10/15/27)		1,015		937,992
3.63%, 01/15/24 (Call 11/15/23)		4,530		4,424,542
3.88%, 01/15/27 (Call 10/15/26)		11,385		10,931,991
Intel Corp.
1.70%, 05/19/21 (Call 04/19/21)		173		167,556
1.85%, 05/11/20		1,845		1,816,439
2.35%, 05/11/22 (Call 04/11/22)		1,500		1,467,735
2.45%, 07/29/20		2,700		2,691,333
2.60%, 05/19/26 (Call 02/19/26)		2,500		2,355,725
2.70%, 12/15/22		4,109		4,057,884
2.88%, 05/11/24 (Call 03/11/24)		2,446		2,393,289
3.10%, 07/29/22		1,947		1,961,427
3.15%, 05/11/27 (Call 02/11/27)		2,125		2,076,465
3.30%, 10/01/21		8,288		8,432,294
3.70%, 07/29/25 (Call 04/29/25)		5,885		6,002,053


Security	Principal (000s)		Value
3.73%, 12/08/47 (Call 06/08/47)^c	$	13,728	$	13,165,289
4.00%, 12/15/32		755		787,737
4.10%, 05/19/46 (Call 11/19/45)		2,585		2,640,138
4.10%, 05/11/47 (Call 11/11/46)		2,425		2,477,453
4.25%, 12/15/42		240		250,272
4.90%, 07/29/45 (Call 01/29/45)		1,060		1,215,619
KLA-Tencor Corp.
3.38%, 11/01/19 (Call 10/01/19)		190		191,775
4.13%, 11/01/21 (Call 09/01/21)		950		977,844
4.65%, 11/01/24 (Call 08/01/24)		2,965		3,115,088
5.65%, 11/01/34 (Call 07/01/34)		905		1,003,265
Lam Research Corp.
2.75%, 03/15/20 (Call 02/15/20)		350		349,370
2.80%, 06/15/21 (Call 05/15/21)		3,518		3,485,283
3.80%, 03/15/25 (Call 12/15/24)		1,315		1,335,435
Maxim Integrated Products Inc.
3.38%, 03/15/23 (Call 12/15/22)		4,307		4,255,101
NVIDIA Corp.
2.20%, 09/16/21 (Call 08/16/21)		470		457,507
3.20%, 09/16/26 (Call 06/16/26)		1,340		1,299,157
QUALCOMM Inc.
1.40%, 05/18/18		2,505		2,500,741
1.85%, 05/20/19		2,315		2,294,096
2.10%, 05/20/20		1,630		1,598,916
2.25%, 05/20/20		3,580		3,517,028
2.60%, 01/30/23 (Call 12/30/22)		6,720		6,397,171
2.90%, 05/20/24 (Call 03/20/24)		1,945		1,838,628


Security	Principal (000s)		Value
3.00%, 05/20/22	$	7,776	$	7,617,992
3.25%, 05/20/27 (Call 02/20/27)		5,210		4,875,570
3.45%, 05/20/25 (Call 02/20/25)		6,085		5,893,444
4.30%, 05/20/47 (Call 11/20/46)		1,920		1,787,021
4.65%, 05/20/35 (Call 11/20/34)		4,485		4,540,121
4.80%, 05/20/45 (Call 11/20/44)		5,660		5,677,772
Texas Instruments Inc.
1.65%, 08/03/19		365		360,872
1.75%, 05/01/20 (Call 04/01/20)		2,150		2,111,902
2.63%, 05/15/24 (Call 03/15/24)		825		797,808
2.75%, 03/12/21 (Call 02/12/21)		1,775		1,775,177
2.90%, 11/03/27 (Call 08/03/27)		1,270		1,218,146
Xilinx Inc.
2.13%, 03/15/19		975		970,671
2.95%, 06/01/24 (Call 04/01/24)		1,355		1,311,870
3.00%, 03/15/21		1,665		1,660,371

				202,927,566
SOFTWARE — 0.71%
Activision Blizzard Inc.
2.30%, 09/15/21 (Call 08/15/21)		1,820		1,766,310
3.40%, 09/15/26 (Call 06/15/26)		1,000		976,650
3.40%, 06/15/27 (Call 03/15/27)		250		241,908
Adobe Systems Inc.
3.25%, 02/01/25 (Call 11/01/24)		1,361		1,352,861
4.75%, 02/01/20		340		353,423
Autodesk Inc.
3.50%, 06/15/27 (Call 03/15/27)		2,550		2,431,297
3.60%, 12/15/22 (Call 09/15/22)		1,900		1,912,673


Security	Principal (000s)		Value
4.38%, 06/15/25 (Call 03/15/25)	$	7,590	$	7,766,012
Broadridge Financial Solutions Inc.
3.40%, 06/27/26 (Call 03/27/26)		1,125		1,081,969
3.95%, 09/01/20		1,752		1,791,035
CA Inc.
3.60%, 08/15/22 (Call 07/15/22)		1,700		1,713,838
4.50%, 08/15/23 (Call 05/15/23)		3,210		3,328,064
4.70%, 03/15/27 (Call 12/15/26)		1,275		1,297,797
5.38%, 12/01/19		828		861,989
Cadence Design Systems Inc.
4.38%, 10/15/24 (Call 07/15/24)		1,100		1,135,310
Citrix Systems Inc.
4.50%, 12/01/27 (Call 09/01/27)		2,100		2,085,300
Electronic Arts Inc.
3.70%, 03/01/21 (Call 02/01/21)		1,230		1,253,308
4.80%, 03/01/26 (Call 12/01/25)		1,845		1,976,327
Fidelity National Information Services Inc.
2.25%, 08/15/21 (Call 07/15/21)		50		48,467
3.00%, 08/15/26 (Call 05/15/26)		925		865,014
3.50%, 04/15/23 (Call 01/15/23)		3,919		3,927,191
3.63%, 10/15/20 (Call 09/15/20)		2,017		2,047,053
3.88%, 06/05/24 (Call 03/05/24)		100		101,899
4.50%, 10/15/22 (Call 08/15/22)		1,000		1,048,120
4.50%, 08/15/46 (Call 02/15/46)		975		960,082
5.00%, 10/15/25 (Call 07/15/25)		9,441		10,123,679


Security	Principal (000s)		Value
Fiserv Inc.
3.50%, 10/01/22 (Call 07/01/22)	$	2,300	$	2,323,046
3.85%, 06/01/25 (Call 03/01/25)		70		70,658
4.75%, 06/15/21		1,000		1,052,680
Microsoft Corp.
1.10%, 08/08/19		6,965		6,842,695
1.55%, 08/08/21 (Call 07/08/21)		5,645		5,421,006
1.85%, 02/06/20		2,125		2,102,454
1.85%, 02/12/20 (Call 01/12/20)		6,203		6,134,829
2.00%, 11/03/20 (Call 10/03/20)		6,718		6,608,295
2.00%, 08/08/23 (Call 06/08/23)		4,561		4,320,225
2.13%, 11/15/22		1,950		1,883,290
2.38%, 02/12/22 (Call 01/12/22)		7,015		6,881,715
2.38%, 05/01/23 (Call 02/01/23)		1,700		1,648,065
2.40%, 02/06/22 (Call 01/06/22)		4,670		4,587,528
2.40%, 08/08/26 (Call 05/08/26)		7,449		6,915,801
2.65%, 11/03/22 (Call 09/03/22)		4,335		4,275,480
2.70%, 02/12/25 (Call 11/12/24)		7,829		7,563,519
2.88%, 02/06/24 (Call 12/06/23)		13,455		13,223,305
3.00%, 10/01/20		900		910,296
3.13%, 11/03/25 (Call 08/03/25)		7,715		7,616,171
3.30%, 02/06/27 (Call 11/06/26)		4,195		4,157,329
3.45%, 08/08/36 (Call 02/08/36)		1,785		1,731,343
3.50%, 02/12/35 (Call 08/12/34)		7,930		7,777,585
3.50%, 11/15/42		4,507		4,291,025
3.63%, 12/15/23 (Call 09/15/23)		2,710		2,783,143


Security	Principal (000s)		Value
3.70%, 08/08/46 (Call 02/08/46)	$	6,628	$	6,446,260
3.75%, 05/01/43 (Call 11/01/42)		360		355,460
3.75%, 02/12/45 (Call 08/12/44)		6,006		5,902,156
3.95%, 08/08/56 (Call 02/08/56)		5,595		5,581,852
4.00%, 02/08/21		4,075		4,227,975
4.00%, 02/12/55 (Call 08/12/54)		2,091		2,090,289
4.10%, 02/06/37 (Call 08/06/36)		6,699		7,044,266
4.20%, 06/01/19		4,810		4,919,620
4.20%, 11/03/35 (Call 05/03/35)		5,028		5,359,496
4.45%, 11/03/45 (Call 05/03/45)		7,996		8,770,253
4.50%, 10/01/40		2,190		2,405,058
4.50%, 02/06/57 (Call 08/06/56)		3,215		3,519,396
4.75%, 11/03/55 (Call 05/03/55)		3,690		4,204,755
4.88%, 12/15/43 (Call 06/15/43)		1,140		1,312,767
5.20%, 06/01/39		2,925		3,485,576
5.30%, 02/08/41		1,628		1,976,620
Series 30Y
4.25%, 02/06/47 (Call 08/06/46)		5,645		6,022,312
Oracle Corp.
1.90%, 09/15/21 (Call 08/15/21)		11,427		11,042,596
2.25%, 10/08/19		4,164		4,150,925
2.40%, 09/15/23 (Call 07/15/23)		4,595		4,384,963
2.50%, 05/15/22 (Call 03/15/22)		8,700		8,513,037
2.50%, 10/15/22		9,763		9,526,345
2.63%, 02/15/23 (Call 01/15/23)		5,250		5,127,622
2.65%, 07/15/26 (Call 04/15/26)		8,595		8,034,176


Security	Principal (000s)		Value
2.80%, 07/08/21	$	1,300	$	1,297,374
2.95%, 11/15/24 (Call 09/15/24)		14,295		13,880,731
2.95%, 05/15/25 (Call 02/15/25)		5,236		5,070,228
3.25%, 11/15/27 (Call 08/15/27)		3,275		3,183,398
3.25%, 05/15/30 (Call 02/15/30)		7,248		6,946,701
3.40%, 07/08/24 (Call 04/08/24)		2,418		2,426,028
3.63%, 07/15/23		600		613,014
3.80%, 11/15/37 (Call 05/15/37)		200		197,600
3.85%, 07/15/36 (Call 01/15/36)		3,053		3,049,306
3.88%, 07/15/20		300		308,592
3.90%, 05/15/35 (Call 11/15/34)		2,262		2,272,337
4.00%, 07/15/46 (Call 01/15/46)		7,150		7,051,902
4.00%, 11/15/47 (Call 05/15/47)		670		662,898
4.13%, 05/15/45 (Call 11/15/44)		4,224		4,253,779
4.30%, 07/08/34 (Call 01/08/34)		4,434		4,671,485
4.38%, 05/15/55 (Call 11/15/54)		4,930		5,121,777
4.50%, 07/08/44 (Call 01/08/44)		427		455,015
5.00%, 07/08/19		6,845		7,068,147
5.38%, 07/15/40		12,715		15,366,205
6.13%, 07/08/39		3,240		4,237,726
6.50%, 04/15/38		3,575		4,841,730
VMware Inc.
2.30%, 08/21/20		2,415		2,355,108
2.95%, 08/21/22 (Call 07/21/22)		3,530		3,402,390
3.90%, 08/21/27 (Call 05/21/27)		3,015		2,865,185

				389,571,490


Security	Principal (000s)		Value
TELECOMMUNICATIONS — 1.37%
America Movil SAB de CV
3.13%, 07/16/22	$	4,150	$	4,108,458
4.38%, 07/16/42^d		3,450		3,473,701
5.00%, 03/30/20		7,950		8,260,209
6.13%, 11/15/37		2,500		2,987,600
6.13%, 03/30/40		2,010		2,421,527
6.38%, 03/01/35		998		1,208,548
AT&T Inc.
2.30%, 03/11/19		5,715		5,702,713
2.45%, 06/30/20 (Call 05/30/20)		6,764		6,691,355
2.63%, 12/01/22 (Call 09/01/22)		6,290		6,072,806
2.80%, 02/17/21 (Call 01/17/21)		4,650		4,611,684
2.85%, 02/14/23 (Call 01/14/23)		1,730		1,718,132
3.00%, 02/15/22		3,059		3,017,214
3.00%, 06/30/22 (Call 04/30/22)		16,956		16,660,966
3.20%, 03/01/22 (Call 02/01/22)		1,225		1,217,209
3.40%, 08/14/24 (Call 06/14/24)		1,750		1,738,678
3.40%, 05/15/25 (Call 02/15/25)		11,167		10,742,207
3.60%, 02/17/23 (Call 12/17/22)		3,439		3,447,701
3.80%, 03/15/22		3,021		3,069,155
3.80%, 03/01/24 (Call 01/01/24)		1,302		1,304,656
3.88%, 08/15/21		6,695		6,834,256
3.90%, 03/11/24 (Call 12/11/23)		5,714		5,758,741
3.90%, 08/14/27 (Call 05/14/27)		12,355		12,283,588
3.95%, 01/15/25 (Call 10/15/24)		3,750		3,746,062
4.10%, 02/15/28 (Call 11/15/27)^c		765		749,677
4.13%, 02/17/26 (Call 11/17/25)		7,190		7,193,739


Security	Principal (000s)		Value
4.25%, 03/01/27 (Call 12/01/26)	$	4,430	$	4,440,189
4.30%, 02/15/30 (Call 11/15/29)^c		2,600		2,535,884
4.30%, 12/15/42 (Call 06/15/42)		5,261		4,791,140
4.35%, 06/15/45 (Call 12/15/44)		11,882		10,649,242
4.45%, 05/15/21		9,170		9,522,311
4.45%, 04/01/24 (Call 01/01/24)		3,209		3,310,372
4.50%, 05/15/35 (Call 11/15/34)		3,785		3,654,607
4.50%, 03/09/48 (Call 09/09/47)		20,367		18,555,355
4.55%, 03/09/49 (Call 09/09/48)		11,387		10,409,426
4.60%, 02/15/21 (Call 11/15/20)		12,292		12,775,199
4.75%, 05/15/46 (Call 11/15/45)		9,842		9,298,033
4.80%, 06/15/44 (Call 12/15/43)		7,355		7,037,632
4.90%, 08/14/37 (Call 02/14/37)		3,108		3,114,620
5.00%, 03/01/21		12,315		12,962,769
5.15%, 03/15/42		5,866		5,928,062
5.15%, 11/15/46 (Call 05/15/46)^c		6,654		6,656,462
5.15%, 02/14/50 (Call 08/14/49)		10,040		10,009,980
5.20%, 03/15/20		5,080		5,309,159
5.25%, 03/01/37 (Call 09/01/36)		3,023		3,132,161
5.30%, 08/14/58 (Call 02/14/58)		2,074		2,070,225
5.35%, 09/01/40		4,842		4,988,616
5.45%, 03/01/47 (Call 09/01/46)		1,835		1,912,547
5.55%, 08/15/41		4,000		4,268,440
5.65%, 02/15/47 (Call 08/15/46)		4,515		4,817,099
5.70%, 03/01/57 (Call 09/01/56)^d		1,238		1,320,773


Security	Principal (000s)		Value
5.88%, 10/01/19	$	3,850	$	4,032,259
6.00%, 08/15/40 (Call 05/15/40)		3,096		3,437,086
6.35%, 03/15/40		650		754,449
6.38%, 03/01/41		5,825		6,796,959
6.55%, 02/15/39		75		87,255
7.13%, 03/15/26^c		5,425		6,482,441
British Telecommunications PLC
9.13%, 12/15/30		7,863		11,409,528
Cisco Systems Inc.
1.40%, 09/20/19		1,050		1,032,392
1.85%, 09/20/21 (Call 08/20/21)		3,635		3,507,157
2.13%, 03/01/19		1,986		1,980,042
2.20%, 02/28/21		3,196		3,138,951
2.20%, 09/20/23 (Call 07/20/23)		2,250		2,147,962
2.45%, 06/15/20		17,000		16,896,980
2.50%, 09/20/26 (Call 06/20/26)		3,278		3,061,291
2.60%, 02/28/23		2,000		1,955,840
2.90%, 03/04/21		1,010		1,012,293
2.95%, 02/28/26		4,949		4,798,550
3.00%, 06/15/22		565		565,198
3.50%, 06/15/25		5,015		5,090,777
3.63%, 03/04/24		3,550		3,634,348
4.45%, 01/15/20		6,095		6,301,072
5.50%, 01/15/40		3,570		4,448,363
5.90%, 02/15/39		2,780		3,613,666
Deutsche Telekom International Finance BV
6.00%, 07/08/19		450		469,733
8.75%, 06/15/30		9,657		13,803,426
9.25%, 06/01/32		100		154,001
Emirates Telecommunications Group Co. PJSC
3.50%, 06/18/24^h		1,000		998,470
Juniper Networks Inc.
3.30%, 06/15/20 (Call 05/15/20)		25		25,118
4.35%, 06/15/25 (Call 03/15/25)		500		504,285
4.50%, 03/15/24		2,890		2,974,995


Security	Principal (000s)		Value
4.60%, 03/15/21	$	1,900	$	1,971,725
5.95%, 03/15/41		1,490		1,548,676
Koninklijke KPN NV
8.38%, 10/01/30		455		604,313
Motorola Solutions Inc.
3.50%, 09/01/21		1,900		1,905,320
3.50%, 03/01/23		1,962		1,923,545
3.75%, 05/15/22		4,215		4,216,728
4.00%, 09/01/24		1,506		1,501,783
4.60%, 02/23/28 (Call 11/23/27)		1,000		999,470
5.50%, 09/01/44		800		796,024
7.50%, 05/15/25		1,175		1,393,750
Orange SA
1.63%, 11/03/19		2,170		2,128,857
4.13%, 09/14/21		1,850		1,922,279
5.38%, 07/08/19		5,643		5,836,442
5.38%, 01/13/42		2,050		2,368,078
5.50%, 02/06/44 (Call 08/06/43)		140		162,989
9.00%, 03/01/31		7,317		10,763,746
Rogers Communications Inc.
2.90%, 11/15/26 (Call 08/15/26)		2,600		2,445,794
3.00%, 03/15/23 (Call 12/15/22)		650		639,841
3.63%, 12/15/25 (Call 09/15/25)		1,015		1,011,265
4.10%, 10/01/23 (Call 07/01/23)		1,035		1,068,306
4.50%, 03/15/43 (Call 09/15/42)		1,530		1,551,435
5.00%, 03/15/44 (Call 09/15/43)		4,675		5,119,686
5.45%, 10/01/43 (Call 04/01/43)		1,975		2,283,337
7.50%, 08/15/38		965		1,315,449
Telefonica Emisiones SAU
4.10%, 03/08/27		3,965		3,929,117
4.57%, 04/27/23		550		581,570
4.67%, 03/06/38		1,650		1,650,594
4.90%, 03/06/48		1,000		1,000,120
5.13%, 04/27/20		5,200		5,424,588


Security	Principal (000s)		Value
5.21%, 03/08/47	$	7,475	$	7,836,865
5.46%, 02/16/21		3,463		3,686,190
5.88%, 07/15/19		1,000		1,040,390
7.05%, 06/20/36		6,630		8,438,598
Telefonica Europe BV
8.25%, 09/15/30		602		822,784
TELUS Corp.
2.80%, 02/16/27 (Call 11/16/26)		2,195		2,017,556
3.70%, 09/15/27 (Call 06/15/27)		3,200		3,148,960
Verizon Communications Inc.
1.75%, 08/15/21		2,615		2,502,215
2.45%, 11/01/22 (Call 08/01/22)		3,500		3,363,220
2.63%, 08/15/26		8,775		7,996,833
2.95%, 03/15/22		40,293		39,757,909
3.00%, 11/01/21 (Call 09/01/21)		5,175		5,147,572
3.13%, 03/16/22		429		426,533
3.38%, 02/15/25		13,341		13,011,611
3.50%, 11/01/21		5,450		5,516,381
3.50%, 11/01/24 (Call 08/01/24)		4,651		4,616,769
3.85%, 11/01/42 (Call 05/01/42)		3,356		2,921,130
4.13%, 03/16/27		4,415		4,483,697
4.13%, 08/15/46		1,765		1,576,057
4.15%, 03/15/24 (Call 12/15/23)		4,823		4,965,809
4.27%, 01/15/36		2,164		2,076,336
4.40%, 11/01/34 (Call 05/01/34)		4,020		3,942,977
4.50%, 08/10/33		6,150		6,183,517
4.52%, 09/15/48		6,146		5,808,216
4.60%, 04/01/21		4,110		4,304,444
4.67%, 03/15/55		3,915		3,657,197
4.75%, 11/01/41		950		948,594
4.81%, 03/15/39		16,132		16,244,440
4.86%, 08/21/46		8,080		8,047,842
5.01%, 04/15/49		16,143		16,372,392
5.01%, 08/21/54		11,829		11,647,898
5.15%, 09/15/23		9,693		10,503,044


Security	Principal (000s)		Value
5.25%, 03/16/37	$	1,915	$	2,037,215
5.50%, 03/16/47		2,325		2,544,224
6.40%, 09/15/33		7,500		9,040,275
6.55%, 09/15/43		28,664		35,892,201
Vodafone Group PLC
2.50%, 09/26/22		4,505		4,355,839
2.95%, 02/19/23		3,520		3,453,296
4.38%, 03/16/21		285		296,007
4.38%, 02/19/43		5,996		5,747,886
5.45%, 06/10/19		245		253,318
6.15%, 02/27/37		1,305		1,563,129
6.25%, 11/30/32		25		29,379
7.88%, 02/15/30		838		1,099,640

				750,996,984
TEXTILES — 0.02%
Cintas Corp. No. 2
2.90%, 04/01/22 (Call 03/01/22)		1,500		1,485,075
3.25%, 06/01/22 (Call 03/01/22)		3,370		3,378,459
3.70%, 04/01/27 (Call 01/01/27)		2,400		2,398,152
6.15%, 08/15/36		77		92,243
Mohawk Industries Inc.
3.85%, 02/01/23 (Call 11/01/22)		1,800		1,832,904

				9,186,833
TOYS, GAMES & HOBBIES — 0.01%
Hasbro Inc.
3.15%, 05/15/21 (Call 03/15/21)		205		204,701
3.50%, 09/15/27 (Call 06/15/27)		1,650		1,560,751
5.10%, 05/15/44 (Call 11/15/43)		3,344		3,299,759
6.35%, 03/15/40		370		427,546

				5,492,757
TRANSPORTATION — 0.52%
Burlington Northern Santa Fe LLC
3.00%, 03/15/23 (Call 12/15/22)		2,110		2,099,133


Security	Principal (000s)		Value
3.00%, 04/01/25 (Call 01/01/25)	$	805	$	785,656
3.05%, 09/01/22 (Call 06/01/22)		6,075		6,077,734
3.25%, 06/15/27 (Call 03/15/27)^d		828		815,704
3.40%, 09/01/24 (Call 06/01/24)		6,825		6,887,585
3.60%, 09/01/20 (Call 06/01/20)		500		509,385
3.75%, 04/01/24 (Call 01/01/24)		1,625		1,672,612
3.85%, 09/01/23 (Call 06/01/23)		1,138		1,177,386
3.90%, 08/01/46 (Call 02/01/46)		1,135		1,111,596
4.05%, 06/15/48 (Call 12/15/47)		750		750,150
4.10%, 06/01/21 (Call 03/01/21)		426		440,241
4.13%, 06/15/47 (Call 12/15/46)		875		886,296
4.15%, 04/01/45 (Call 10/01/44)		4,197		4,249,295
4.38%, 09/01/42 (Call 03/01/42)		1,747		1,829,651
4.40%, 03/15/42 (Call 09/15/41)		765		801,062
4.45%, 03/15/43 (Call 09/15/42)		873		923,678
4.55%, 09/01/44 (Call 03/01/44)		3,360		3,591,202
4.70%, 10/01/19		3,660		3,778,621
4.70%, 09/01/45 (Call 03/01/45)		5,175		5,667,712
4.90%, 04/01/44 (Call 10/01/43)		4,735		5,327,633
4.95%, 09/15/41 (Call 03/15/41)		905		1,014,279
5.05%, 03/01/41 (Call 09/01/40)		855		969,681
5.15%, 09/01/43 (Call 03/01/43)		1,510		1,740,230


Security	Principal (000s)		Value
5.40%, 06/01/41 (Call 12/01/40)	$	500	$	589,940
5.75%, 05/01/40 (Call 11/01/39)		695		852,251
6.15%, 05/01/37		3,548		4,506,386
6.20%, 08/15/36		135		172,128
7.95%, 08/15/30		1,100		1,499,179
Canadian National Railway Co.
2.25%, 11/15/22 (Call 08/15/22)		3,240		3,116,556
2.40%, 02/03/20		810		807,197
2.75%, 03/01/26 (Call 12/01/25)		2,275		2,173,262
2.85%, 12/15/21 (Call 09/15/21)		950		947,673
2.95%, 11/21/24 (Call 08/21/24)		3,140		3,080,434
3.20%, 08/02/46 (Call 02/02/46)		3,477		3,106,074
3.50%, 11/15/42 (Call 05/15/42)		820		766,684
3.65%, 02/03/48 (Call 08/03/47)		500		479,120
4.50%, 11/07/43 (Call 05/07/43)		65		70,263
5.55%, 05/15/18		655		659,441
5.55%, 03/01/19		3,550		3,650,784
6.20%, 06/01/36		475		612,451
6.25%, 08/01/34		325		420,599
6.38%, 11/15/37		85		113,449
6.90%, 07/15/28		550		700,656
Canadian Pacific Railway Co.
2.90%, 02/01/25 (Call 11/01/24)		2,600		2,499,016
3.70%, 02/01/26 (Call 11/01/25)		600		601,176
4.80%, 09/15/35 (Call 03/15/35)		290		319,887
4.80%, 08/01/45 (Call 02/01/45)		1,600		1,782,208
5.75%, 03/15/33		15		17,198
5.75%, 01/15/42		275		335,041
5.95%, 05/15/37		388		482,730


Security	Principal (000s)		Value
6.13%, 09/15/15 (Call 03/15/15)	$	420	$	515,344
7.13%, 10/15/31		4,145		5,394,717
7.25%, 05/15/19		1,100		1,157,508
CSX Corp.
2.60%, 11/01/26 (Call 08/01/26)		2,725		2,492,149
3.25%, 06/01/27 (Call 03/01/27)		3,475		3,321,440
3.35%, 11/01/25 (Call 08/01/25)		3,030		2,974,581
3.40%, 08/01/24 (Call 05/01/24)		2,090		2,082,789
3.70%, 10/30/20 (Call 07/30/20)		461		470,649
3.70%, 11/01/23 (Call 08/01/23)		70		71,187
3.80%, 03/01/28 (Call 12/01/27)		1,000		995,080
3.80%, 11/01/46 (Call 05/01/46)		2,622		2,395,118
3.95%, 05/01/50 (Call 11/01/49)		4,450		4,082,074
4.10%, 03/15/44 (Call 09/15/43)		1,380		1,324,138
4.25%, 06/01/21 (Call 03/01/21)		1,050		1,087,096
4.25%, 11/01/66 (Call 05/01/66)		3,030		2,765,511
4.40%, 03/01/43 (Call 09/01/42)		225		225,992
4.50%, 08/01/54 (Call 02/01/54)		550		538,797
4.75%, 05/30/42 (Call 11/30/41)		2,005		2,105,170
6.00%, 10/01/36		5,385		6,555,160
6.15%, 05/01/37		355		439,103
6.22%, 04/30/40		485		606,051
FedEx Corp.
2.30%, 02/01/20		550		544,709
2.63%, 08/01/22		4,070		3,992,019
3.20%, 02/01/25		2,175		2,133,958
3.25%, 04/01/26 (Call 01/01/26)		2,110		2,059,360


Security	Principal (000s)		Value
3.30%, 03/15/27 (Call 12/15/26)	$	805	$	783,185
3.40%, 02/15/28 (Call 11/15/27)		1,050		1,022,658
3.88%, 08/01/42		475		444,600
3.90%, 02/01/35		2,920		2,813,770
4.00%, 01/15/24		1,800		1,863,540
4.05%, 02/15/48 (Call 08/15/47)		1,045		984,359
4.10%, 04/15/43		1,150		1,098,169
4.10%, 02/01/45		1,760		1,673,830
4.40%, 01/15/47 (Call 07/15/46)		2,030		2,013,313
4.50%, 02/01/65		275		260,879
4.55%, 04/01/46 (Call 10/01/45)		1,960		1,994,026
4.75%, 11/15/45 (Call 05/15/45)		5,715		5,961,031
4.90%, 01/15/34		2,000		2,149,020
5.10%, 01/15/44		4,095		4,483,083
JB Hunt Transport Services Inc.
3.30%, 08/15/22 (Call 06/15/22)		1,140		1,138,153
3.85%, 03/15/24 (Call 12/15/23)		1,500		1,513,905
Kansas City Southern
3.00%, 05/15/23 (Call 02/15/23)		2,450		2,374,172
3.13%, 06/01/26 (Call 03/01/26)		1,300		1,217,203
4.30%, 05/15/43 (Call 11/15/42)		2,217		2,182,370
4.95%, 08/15/45 (Call 02/15/45)		1,700		1,825,307
Kirby Corp.
4.20%, 03/01/28 (Call 12/01/27)		1,000		995,420
Norfolk Southern Corp.
2.90%, 02/15/23 (Call 11/15/22)		2,275		2,241,466
2.90%, 06/15/26 (Call 03/15/26)		6,100		5,783,410
3.00%, 04/01/22 (Call 01/01/22)		2,260		2,252,768


Security	Principal (000s)		Value
3.15%, 06/01/27 (Call 03/01/27)	$	3,625	$	3,479,166
3.25%, 12/01/21 (Call 09/01/21)		3,120		3,143,275
3.85%, 01/15/24 (Call 10/15/23)		3,000		3,084,120
3.94%, 11/01/47 (Call 05/01/47)^c		1,699		1,641,081
3.95%, 10/01/42 (Call 04/01/42)		38		36,762
4.05%, 08/15/52 (Call 02/15/52)^c		46		43,946
4.15%, 02/28/48 (Call 08/28/47)		2,000		1,976,760
4.45%, 06/15/45 (Call 12/15/44)		1,165		1,207,371
4.65%, 01/15/46 (Call 07/15/45)		955		1,019,759
4.80%, 08/15/43 (Call 02/15/43)		51		54,660
4.84%, 10/01/41		5,952		6,524,285
7.80%, 05/15/27		50		65,417
Ryder System Inc.
2.25%, 09/01/21 (Call 08/01/21)		628		609,097
2.45%, 09/03/19 (Call 08/03/19)		571		568,568
2.50%, 05/11/20 (Call 04/11/20)		656		649,932
2.50%, 09/01/22 (Call 08/01/22)		625		604,294
2.55%, 06/01/19 (Call 05/01/19)		850		848,130
2.65%, 03/02/20 (Call 02/02/20)		440		437,725
2.80%, 03/01/22 (Call 02/01/22)		1,060		1,040,888
2.88%, 09/01/20 (Call 08/01/20)		870		867,773
3.40%, 03/01/23 (Call 02/01/23)		475		474,373
3.45%, 11/15/21 (Call 10/15/21)		355		357,897


Security	Principal (000s)		Value
Union Pacific Corp.
2.75%, 04/15/23 (Call 01/15/23)	$	1,025	$	1,010,547
2.75%, 03/01/26 (Call 12/01/25)		1,192		1,134,963
3.00%, 04/15/27 (Call 01/15/27)		2,030		1,959,701
3.25%, 01/15/25 (Call 10/15/24)		925		919,302
3.25%, 08/15/25 (Call 05/15/25)		2,795		2,773,534
3.35%, 08/15/46 (Call 02/15/46)		1,000		901,600
3.38%, 02/01/35 (Call 08/01/34)		240		227,791
3.60%, 09/15/37 (Call 03/15/37)		555		536,224
3.75%, 03/15/24 (Call 12/15/23)		2,740		2,822,282
3.80%, 10/01/51 (Call 04/01/51)		249		238,333
3.88%, 02/01/55 (Call 08/01/54)		2,485		2,347,058
4.00%, 02/01/21 (Call 11/01/20)		2,250		2,323,282
4.00%, 04/15/47 (Call 10/15/46)		1,350		1,357,911
4.05%, 11/15/45 (Call 05/15/45)		1,000		1,011,760
4.05%, 03/01/46 (Call 09/01/45)		3,565		3,633,626
4.10%, 09/15/67 (Call 03/15/67)		532		513,875
4.15%, 01/15/45 (Call 07/15/44)		1,250		1,280,412
4.16%, 07/15/22 (Call 04/15/22)		3,870		4,039,235
4.25%, 04/15/43 (Call 10/15/42)		2,675		2,770,551
4.30%, 06/15/42 (Call 12/15/41)		270		281,121
4.38%, 11/15/65 (Call 05/15/65)		1,243		1,264,467


Security	Principal (000s)		Value
4.75%, 09/15/41 (Call 03/15/41)	$	1,970	$	2,179,943
4.75%, 12/15/43 (Call 06/15/43)		1,600		1,746,352
4.82%, 02/01/44 (Call 08/01/43)		2,359		2,645,807
6.63%, 02/01/29		250		313,485
United Parcel Service Inc.
2.05%, 04/01/21		1,652		1,621,025
2.35%, 05/16/22 (Call 04/16/22)		1,625		1,582,636
2.40%, 11/15/26 (Call 08/15/26)		1,300		1,197,469
2.45%, 10/01/22		8,490		8,281,486
2.50%, 04/01/23 (Call 03/01/23)		475		460,916
3.05%, 11/15/27 (Call 08/15/27)		3,770		3,616,297
3.13%, 01/15/21		1,078		1,089,642
3.40%, 11/15/46 (Call 05/15/46)		2,145		1,925,760
3.63%, 10/01/42		540		512,174
3.75%, 11/15/47 (Call 05/15/47)		1,560		1,491,688
4.88%, 11/15/40 (Call 05/15/40)		622		699,433
5.13%, 04/01/19		2,620		2,693,858
6.20%, 01/15/38		3,860		5,022,439
United Parcel Service of America Inc.
8.38%, 04/01/30^b		50		68,422

				286,099,328
TRUCKING & LEASING — 0.02%
GATX Corp.
2.50%, 03/15/19		1,605		1,598,757
2.50%, 07/30/19		750		746,663
2.60%, 03/30/20 (Call 02/28/20)^d		202		200,168
3.25%, 03/30/25 (Call 12/30/24)		1,810		1,734,885
3.25%, 09/15/26 (Call 06/15/26)^d		830		782,897
3.50%, 03/15/28 (Call 12/15/27)		655		620,861


Security	Principal (000s)		Value
3.85%, 03/30/27 (Call 12/30/26)	$	645	$	633,900
3.90%, 03/30/23		1,960		1,979,855
4.50%, 03/30/45 (Call 09/30/44)		1,030		1,013,036
4.75%, 06/15/22		1,890		1,979,718
4.85%, 06/01/21		850		893,375
5.20%, 03/15/44 (Call 09/15/43)		875		954,012

				13,138,127
WATER — 0.02%
American Water Capital Corp.
2.95%, 09/01/27 (Call 06/01/27)		890		847,467
3.00%, 12/01/26 (Call 09/01/26)		295		281,067
3.40%, 03/01/25 (Call 12/01/24)		3,320		3,312,099
3.75%, 09/01/47 (Call 03/01/47)		1,775		1,707,852
3.85%, 03/01/24 (Call 12/01/23)		100		102,878
4.00%, 12/01/46 (Call 06/01/46)		480		481,238
4.30%, 12/01/42 (Call 06/01/42)		2,290		2,386,180
4.30%, 09/01/45 (Call 03/01/45)		1,000		1,049,630
6.59%, 10/15/37		440		589,494

				10,757,905

TOTAL CORPORATE BONDS & NOTES
(Cost: $14,489,914,740)				14,405,416,821

FOREIGN GOVERNMENT OBLIGATIONSⁱ — 3.22%

CANADA — 0.31%
Canada Government International Bond
2.00%, 11/15/22		2,200		2,127,312
Export Development Canada
1.00%, 06/15/18		330		329,188
1.00%, 09/13/19		6,090		5,968,322
1.50%, 05/26/21		1,350		1,302,980
1.63%, 12/03/19		4,600		4,540,706


Security	Principal (000s)		Value
1.63%, 01/17/20	$	3,945	$	3,890,046
1.75%, 08/19/19		1,540		1,527,264
1.75%, 07/21/20		3,485		3,425,790
2.00%, 11/30/20		2,825		2,783,472
2.00%, 05/17/22		3,750		3,637,800
Hydro-Quebec
8.05%, 07/07/24		500		627,425
8.50%, 12/01/29		400		574,060
9.50%, 11/15/30		8		12,282
Province of Alberta Canada
1.90%, 12/06/19		5,750		5,688,245
2.20%, 07/26/22		450		435,704
Province of British Columbia Canada
2.00%, 10/23/22		2,653		2,549,135
2.25%, 06/02/26		7,305		6,820,971
2.65%, 09/22/21		3,208		3,197,157
Province of Manitoba Canada
1.75%, 05/30/19		1,230		1,220,111
2.05%, 11/30/20		1,150		1,128,794
2.10%, 09/06/22		2,420		2,328,621
2.13%, 05/04/22		1,250		1,209,475
2.13%, 06/22/26		500		457,250
3.05%, 05/14/24		950		944,823
Province of Nova Scotia Canada
9.25%, 03/01/20		500		561,140
Province of Ontario Canada
1.25%, 06/17/19		240		236,563
1.65%, 09/27/19		23,550		23,264,103
1.88%, 05/21/20		1,980		1,949,686
2.20%, 10/03/22		3,365		3,248,907
2.25%, 05/18/22		5,950		5,783,459
2.40%, 02/08/22		5,425		5,316,934
2.45%, 06/29/22^d		1,500		1,468,395
2.50%, 09/10/21		5,519		5,452,772
2.50%, 04/27/26		14,205		13,453,129
2.55%, 02/12/21		6,000		5,964,960
3.20%, 05/16/24		1,580		1,583,871
4.00%, 10/07/19		1,800		1,843,182
4.40%, 04/14/20		1,870		1,939,508
Province of Quebec Canada
2.38%, 01/31/22		2,250		2,207,115
2.50%, 04/20/26		4,075		3,869,172


Security	Principal (000s)		Value
2.63%, 02/13/23	$	2,550	$	2,505,043
2.75%, 08/25/21		1,300		1,297,361
2.75%, 04/12/27		4,625		4,447,724
2.88%, 10/16/24		13,173		12,956,699
3.50%, 07/29/20		3,050		3,111,549
7.13%, 02/09/24		730		879,526
7.50%, 09/15/29		6,852		9,398,135

				169,465,866
CHILE — 0.05%
Chile Government International Bond
2.25%, 10/30/22^d		2,250		2,159,640
3.13%, 03/27/25		2,500		2,452,475
3.13%, 01/21/26^d		6,650		6,489,868
3.24%, 02/06/28 (Call 11/06/27)		2,475		2,392,954
3.25%, 09/14/21		5,549		5,592,115
3.63%, 10/30/42		600		563,250
3.86%, 06/21/47		3,350		3,184,376
3.88%, 08/05/20		5,700		5,838,111

				28,672,789
COLOMBIA — 0.14%
Colombia Government International Bond
2.63%, 03/15/23 (Call 12/15/22)		2,000		1,909,840
3.88%, 04/25/27 (Call 01/25/27)^d		5,300		5,172,323
4.00%, 02/26/24 (Call 11/26/23)		3,695		3,716,061
4.38%, 07/12/21		16,573		17,172,611
4.50%, 01/28/26 (Call 10/28/25)^d		3,150		3,245,036
5.00%, 06/15/45 (Call 12/15/44)		5,700		5,676,573
5.63%, 02/26/44 (Call 08/26/43)		5,522		5,972,982
6.13%, 01/18/41		5,266		6,010,191
7.38%, 03/18/19		9,200		9,614,276
7.38%, 09/18/37		6,525		8,333,795
8.13%, 05/21/24		1,580		1,941,678
10.38%, 01/28/33		3,330		5,260,801
11.75%, 02/25/20		1,200		1,401,060

				75,427,227


Security	Principal (000s)		Value
FINLAND — 0.00%
Finland Government International Bond
6.95%, 02/15/26	$	2,000	$	2,461,260

				2,461,260
GERMANY — 0.04%
FMS Wertmanagement AoeR
1.00%, 08/16/19		1,500		1,471,170
1.38%, 06/08/21		8,250		7,917,855
1.75%, 03/17/20		7,000		6,901,300
2.00%, 08/01/22		2,775		2,683,481

				18,973,806
HUNGARY — 0.09%
Hungary Government International Bond
5.38%, 02/21/23		250		270,725
5.38%, 03/25/24		20,330		22,231,871
5.75%, 11/22/23		9,954		11,036,199
6.25%, 01/29/20		1,940		2,061,638
6.38%, 03/29/21		8,200		8,959,566
7.63%, 03/29/41		2,460		3,569,534

				48,129,533
INDONESIA — 0.00%
Indonesia Government International Bond
2.95%, 01/11/23		750		723,967
3.50%, 01/11/28		700		666,330
4.35%, 01/11/48		295		280,274

				1,670,571
ISRAEL — 0.03%
Israel Government International Bond
2.88%, 03/16/26		2,950		2,829,168
3.15%, 06/30/23		500		498,905
3.25%, 01/17/28		390		378,612
4.13%, 01/17/48		250		241,910
4.50%, 01/30/43		9,050		9,284,667
5.13%, 03/26/19^d		3,675		3,782,567

				17,015,829
ITALY — 0.03%
Republic of Italy Government International Bond
5.38%, 06/15/33		3,991		4,559,997


Security	Principal (000s)		Value
6.88%, 09/27/23	$	9,815	$	11,426,034

				15,986,031
JAPAN — 0.14%
Japan Bank for International Cooperation
1.50%, 07/21/21		4,700		4,491,696
1.88%, 04/20/21		3,000		2,918,790
1.88%, 07/21/26		5,470		4,930,658
2.00%, 11/04/21		756		732,148
2.13%, 07/21/20		5,200		5,128,708
2.13%, 11/16/20		750		737,363
2.13%, 02/10/25		200		187,064
2.25%, 02/24/20		726		720,519
2.25%, 11/04/26		3,450		3,197,598
2.38%, 07/21/22		200		194,978
2.38%, 11/16/22		1,400		1,360,562
2.38%, 04/20/26		5,000		4,699,450
2.50%, 06/01/22		10,250		10,060,477
2.50%, 05/28/25		1,000		958,110
2.75%, 01/21/26		4,900		4,751,775
2.75%, 11/16/27		6,000		5,751,840
2.88%, 06/01/27		17,950		17,456,913
2.88%, 07/21/27		2,750		2,670,718
3.00%, 05/29/24		5,000		4,970,350
3.38%, 07/31/23		600		608,604
Japan Finance Organization for Municipalities
4.00%, 01/13/21		2,000		2,061,280
Japan International Cooperation Agency
2.75%, 04/27/27		500		478,500

				79,068,101
MEXICO — 0.24%
Mexico Government International Bond
3.50%, 01/21/21		6,200		6,314,452
3.60%, 01/30/25		6,700		6,571,360
3.63%, 03/15/22		19,368		19,713,138
3.75%, 01/11/28		5,695		5,460,765
4.00%, 10/02/23		11,098		11,313,967
4.13%, 01/21/26^d		6,650		6,714,372
4.15%, 03/28/27^d		7,325		7,321,191
4.35%, 01/15/47		2,350		2,135,586


Security	Principal (000s)		Value
4.60%, 01/23/46	$	10,315	$	9,657,212
4.60%, 02/10/48		775		727,686
4.75%, 03/08/44		18,562		17,849,590
5.55%, 01/21/45		9,640		10,349,408
5.75%, 10/12/10		4,300		4,340,850
6.05%, 01/11/40		5,300		5,962,977
6.75%, 09/27/34		9,693		12,012,632
7.50%, 04/08/33		2,400		3,167,736
8.30%, 08/15/31		2,600		3,927,976

				133,540,898
PANAMA — 0.09%
Panama Government International Bond
3.75%, 03/16/25 (Call 12/16/24)		3,700		3,743,068
3.88%, 03/17/28 (Call 12/17/27)		6,900		6,965,895
4.00%, 09/22/24 (Call 06/22/24)		5,550		5,721,439
4.30%, 04/29/53		1,000		985,060
4.50%, 05/15/47		850		867,476
5.20%, 01/30/20		13,620		14,220,370
6.70%, 01/26/36		5,160		6,568,525
7.13%, 01/29/26		250		309,355
8.88%, 09/30/27		3,499		4,906,053
9.38%, 04/01/29		2,200		3,220,250

				47,507,491
PERU — 0.07%
Peruvian Government International Bond
4.13%, 08/25/27^d		4,520		4,694,246
5.63%, 11/18/50		8,282		9,930,863
6.55%, 03/14/37		4,433		5,722,382
7.13%, 03/30/19^d		6,330		6,649,159
7.35%, 07/21/25^d		3,100		3,866,010
8.75%, 11/21/33		3,675		5,550,426

				36,413,086
PHILIPPINES — 0.16%
Philippine Government International Bond
3.70%, 03/01/41		4,780		4,508,209
3.70%, 02/02/42		944		887,511
3.95%, 01/20/40		10,350		10,127,889


Security	Principal (000s)		Value
4.00%, 01/15/21	$	18,940	$	19,405,166
4.20%, 01/21/24		19,400		20,216,934
5.00%, 01/13/37		2,900		3,236,864
5.50%, 03/30/26^d		1,250		1,414,638
6.38%, 01/15/32		2,150		2,661,528
6.38%, 10/23/34		10,481		13,286,554
6.50%, 01/20/20^d		1,000		1,065,100
7.75%, 01/14/31		3,000		4,070,460
8.38%, 06/17/19		3,650		3,914,333
9.50%, 02/02/30		1,371		2,056,788
10.63%, 03/16/25		1,200		1,727,760

				88,579,734
POLAND — 0.09%
Republic of Poland Government International Bond
3.00%, 03/17/23		3,488		3,448,969
3.25%, 04/06/26		10,040		9,926,347
4.00%, 01/22/24		7,268		7,536,553
5.00%, 03/23/22		7,375		7,883,654
5.13%, 04/21/21		6,635		7,059,839
6.38%, 07/15/19		12,484		13,134,666

				48,990,028
SOUTH KOREA — 0.08%
Export-Import Bank of Korea
1.50%, 10/21/19		1,050		1,025,860
1.75%, 05/26/19		3,650		3,600,798
2.13%, 02/11/21		5,000		4,850,700
2.25%, 01/21/20		2,450		2,416,508
2.38%, 04/21/27		5,000		4,470,250
2.63%, 12/30/20		1,000		986,790
2.63%, 05/26/26		1,250		1,152,200
2.88%, 01/21/25		2,000		1,897,500
3.00%, 11/01/22		500		490,775
3.25%, 11/10/25		5,400		5,225,688
3.25%, 08/12/26^d		6,650		6,413,858
4.00%, 01/14/24		250		256,113
4.38%, 09/15/21		950		985,616
5.00%, 04/11/22		450		476,969
5.13%, 06/29/20		450		470,705
Korea International Bond
2.75%, 01/19/27^d		500		475,975
3.88%, 09/11/23		1,400		1,447,894
4.13%, 06/10/44^d		3,436		3,718,164


Security	Principal (000s)		Value
7.13%, 04/16/19	$	3,000	$	3,145,740

				43,508,103
SUPRANATIONAL — 1.55%
African Development Bank
1.00%, 05/15/19		7,991		7,868,738
1.13%, 03/04/19		5,213		5,155,761
1.13%, 09/20/19		1,485		1,457,572
1.25%, 07/26/21		2,505		2,390,822
1.38%, 02/12/20		1,825		1,789,157
1.88%, 03/16/20		2,800		2,769,396
2.13%, 11/16/22		3,200		3,102,464
2.38%, 09/23/21		3,617		3,580,541
Asian Development Bank
1.00%, 08/16/19		2,550		2,501,984
1.38%, 03/23/20^d		8,500		8,324,305
1.50%, 01/22/20		9,031		8,881,085
1.63%, 05/05/20		4,750		4,667,968
1.63%, 08/26/20^d		16,625		16,278,036
1.63%, 03/16/21		4,300		4,177,794
1.75%, 03/21/19		2,758		2,743,824
1.75%, 01/10/20^d		8,400		8,302,392
1.75%, 06/08/21		1,975		1,919,601
1.75%, 09/13/22		11,800		11,281,744
1.75%, 08/14/26		400		362,600
1.88%, 02/18/22^d		9,875		9,568,677
2.00%, 02/16/22		15,625		15,206,250
2.00%, 01/22/25^d		7,955		7,487,882
2.00%, 04/24/26		2,400		2,229,360
2.25%, 01/20/21		4,250		4,211,240
2.63%, 01/12/27^d		4,900		4,749,080
2.75%, 01/19/28^d		5,500		5,373,665
6.22%, 08/15/27		2,775		3,340,934
Series 5Y
1.88%, 08/10/22		250		240,868
Corp. Andina de Fomento
2.13%, 09/27/21		1,300		1,260,818
4.38%, 06/15/22		4,550		4,777,546
Council of Europe Development Bank
1.13%, 05/31/18		7,030		7,016,151
1.50%, 05/17/19		500		495,225
1.63%, 03/10/20		550		541,057
1.63%, 03/16/21		750		727,980


Security	Principal (000s)		Value
1.75%, 11/14/19	$	620	$	613,378
1.88%, 01/27/20		2,600		2,573,766
2.63%, 02/13/23		2,565		2,538,991
European Bank for Reconstruction & Development
0.88%, 07/22/19		1,585		1,553,649
1.13%, 08/24/20		3,125		3,020,844
1.50%, 03/16/20		2,835		2,783,828
1.50%, 11/02/21^d		2,000		1,916,880
1.63%, 05/05/20		5,075		4,986,644
1.75%, 06/14/19		1,620		1,609,016
1.75%, 11/26/19		5,950		5,888,417
1.88%, 02/23/22		2,725		2,639,571
2.00%, 02/01/21		5,250		5,161,275
2.13%, 03/07/22^d		4,650		4,545,189
European Investment Bank
1.13%, 08/15/19		6,875		6,757,919
1.25%, 05/15/19		25,998		25,684,204
1.25%, 12/16/19		19,985		19,588,098
1.38%, 06/15/20^d		8,595		8,381,672
1.38%, 09/15/21		8,700		8,316,765
1.63%, 03/16/20		13,625		13,403,866
1.63%, 08/14/20		4,875		4,770,626
1.63%, 12/15/20		1,800		1,753,596
1.63%, 06/15/21^d		10,550		10,206,914
1.75%, 06/17/19		6,328		6,284,527
1.75%, 05/15/20^d		4,050		3,986,456
1.88%, 03/15/19		11,500		11,457,795
1.88%, 02/10/25^d		17,428		16,228,431
2.00%, 03/15/21		840		824,460
2.00%, 12/15/22^d		11,575		11,145,104
2.13%, 10/15/21		1,843		1,806,785
2.13%, 04/13/26		775		726,307
2.25%, 03/15/22		1,570		1,539,966
2.25%, 08/15/22		19,285		18,835,659
2.38%, 05/13/21		7,795		7,728,665
2.38%, 06/15/22^d		8,450		8,311,335
2.38%, 05/24/27		5,850		5,538,136
2.50%, 04/15/21		6,800		6,772,528
2.50%, 03/15/23^d		11,000		10,813,990
2.50%, 10/15/24		6,650		6,473,309
2.88%, 09/15/20		3,600		3,628,656
3.25%, 01/29/24		8,300		8,444,835


Security	Principal (000s)		Value
4.00%, 02/16/21	$	21,245	$	22,085,027
4.88%, 02/15/36		3,480		4,287,395
Inter-American Development Bank
1.00%, 05/13/19		9,450		9,309,289
1.13%, 09/12/19		400		392,816
1.25%, 09/14/21^d		3,000		2,857,620
1.38%, 07/15/20^d		2,400		2,339,040
1.63%, 05/12/20		6,000		5,895,120
1.75%, 10/15/19^d		1,250		1,238,388
1.75%, 04/14/22		15,190		14,611,413
1.75%, 09/14/22		7,680		7,343,616
1.88%, 06/16/20^d		12,200		12,040,912
1.88%, 03/15/21		10,510		10,288,449
2.00%, 06/02/26		2,800		2,598,064
2.13%, 11/09/20		8,876		8,778,453
2.13%, 01/18/22		3,575		3,497,887
2.13%, 01/15/25		2,350		2,229,492
2.38%, 07/07/27		1,920		1,818,394
2.50%, 01/18/23^d		5,000		4,928,200
3.00%, 10/04/23		2,850		2,867,043
3.00%, 02/21/24		10,525		10,571,626
3.20%, 08/07/42		50		48,500
3.88%, 02/14/20		15,000		15,417,300
3.88%, 10/28/41		3,050		3,307,176
4.38%, 01/24/44		3,940		4,596,719
Series E
3.88%, 09/17/19		6,300		6,446,349
Series GDP
1.25%, 10/15/19		120		117,943
International Bank for Reconstruction & Development
0.88%, 08/15/19		6,400		6,269,440
1.13%, 11/27/19		4,795		4,694,209
1.13%, 08/10/20		5,825		5,636,561
1.25%, 07/26/19		28,938		28,520,425
1.38%, 05/24/21^d		5,410		5,204,095
1.38%, 09/20/21		2,750		2,630,870
1.63%, 09/04/20^d		1,890		1,849,667
1.63%, 03/09/21		12,245		11,907,528
1.63%, 02/10/22^d		12,250		11,760,490
1.75%, 04/19/23		6,000		5,691,600
1.88%, 03/15/19		11,325		11,286,495


Security	Principal (000s)		Value
1.88%, 10/07/19	$	15,300	$	15,191,064
1.88%, 04/21/20^d		23,705		23,432,630
1.88%, 10/07/22^d		5,625		5,407,425
1.88%, 10/27/26		5,650		5,162,349
2.00%, 01/26/22		11,745		11,441,039
2.13%, 11/01/20		1,900		1,880,677
2.13%, 02/13/23^d		10,735		10,393,305
2.13%, 03/03/25		5,820		5,525,450
2.25%, 06/24/21		3,375		3,335,580
2.50%, 11/25/24		13,088		12,734,231
2.50%, 07/29/25		13,465		13,049,066
2.50%, 11/22/27		1,825		1,743,861
4.75%, 02/15/35		4,260		5,188,978
7.63%, 01/19/23		3,700		4,501,975
International Finance Corp.
1.13%, 07/20/21^d		3,650		3,472,574
1.63%, 07/16/20		1,865		1,827,719
1.75%, 09/16/19		7,900		7,830,875
1.75%, 03/30/20		1,600		1,578,368
2.00%, 10/24/22		3,325		3,214,145
2.13%, 04/07/26		5,625		5,276,644
2.25%, 01/25/21^d		2,950		2,923,775
Nordic Investment Bank
1.25%, 08/02/21		5,100		4,867,185
1.50%, 09/29/20^d		750		730,800
2.25%, 02/01/21		7,030		6,964,269

				847,062,164
SWEDEN — 0.06%
Svensk Exportkredit AB
1.75%, 05/18/20		13,775		13,545,784
1.75%, 08/28/20		1,120		1,096,446
1.75%, 03/10/21		7,250		7,051,857
1.88%, 06/17/19		2,200		2,186,470
2.38%, 03/09/22		3,850		3,784,127
Swedish Export Credit
2.00%, 08/30/22		4,000		3,851,120

				31,515,804
URUGUAY — 0.05%
Uruguay Government International Bond
4.13%, 11/20/45		3,800		3,594,914
4.38%, 10/27/27		5,100		5,294,259
4.50%, 08/14/24		3,947		4,163,809


Security	Principal (000s)		Value
5.10%, 06/18/50	$	8,730	$	9,102,858
7.63%, 03/21/36		2,293		3,164,271
8.00%, 11/18/22		1,564		1,835,823

				27,155,934

TOTAL FOREIGN GOVERNMENT OBLIGATIONS
(Cost: $1,797,443,485)				1,761,144,255

MUNICIPAL DEBT OBLIGATIONS — 0.59%

ARIZONA — 0.01%
Salt River Project Agricultural Improvement & Power District RB BAB
4.84%, 01/01/41		1,910		2,182,423

				2,182,423
CALIFORNIA — 0.20%
Bay Area Toll Authority RB BAB
Series F-2 6.26%, 04/01/49		2,355		3,262,217
Series S-1 7.04%, 04/01/50^d		3,100		4,631,028
Series S-3 6.91%, 10/01/50		1,300		1,909,154
City of San Francisco CA Public Utilities Commission Water Revenue RB BAB
6.00%, 11/01/40		2,500		3,063,325
East Bay Municipal Utility District Water System Revenue RB BAB
Series B 5.87%, 06/01/40		4,480		5,582,214
Los Angeles Community College District/CA GO BAB
6.75%, 08/01/49		2,600		3,781,830
Series E 6.60%, 08/01/42		200		278,574
Los Angeles County Metropolitan Transportation Authority RB BAB
Series A 5.74%, 06/01/39		815		980,641


Security	Principal (000s)		Value
Los Angeles County Public Works Financing Authority RB BAB
7.62%, 08/01/40	$	1,150	$	1,686,314
Los Angeles Department of Water & Power System Revenue RB BAB
Series A 5.72%, 07/01/39		2,100		2,622,060
6.60%, 07/01/50		350		507,931
Series D 6.57%, 07/01/45		2,470		3,503,621
Los Angeles Unified School District/CA GO BAB
5.75%, 07/01/34		3,760		4,604,834
5.76%, 07/01/29		2,170		2,555,435
Series RY 6.76%, 07/01/34		3,025		4,025,337
Regents of the University of California Medical Center Pooled Revenue RB BAB
Series H 6.55%, 05/15/48		1,695		2,268,876
Series F 6.58%, 05/15/49		2,015		2,693,793
San Diego County Water Authority Financing Corp. RB BAB
Series B 6.14%, 05/01/49		1,300		1,742,975
Santa Clara Valley Transportation Authority RB BAB
5.88%, 04/01/32		925		1,096,662
State of California Department of Water Resources Power Supply Revenue RB
Series P 2.00%, 05/01/22		1,810		1,744,170
State of California GO
6.20%, 10/01/19		175		184,952
State of California GO BAB
5.70%, 11/01/21		500		547,460


Security	Principal (000s)		Value
7.30%, 10/01/39	$	7,150	$	10,301,648
7.35%, 11/01/39		2,130		3,090,609
7.50%, 04/01/34		6,530		9,333,329
7.55%, 04/01/39		11,525		17,359,301
7.60%, 11/01/40		4,435		6,828,614
7.63%, 03/01/40		150		226,139
7.70%, 11/01/30 (Call 11/01/20)		500		563,125
7.95%, 03/01/36 (Call 03/01/20)		500		551,280
University of California RB
Series AD 4.86%, 05/15/12		3,150		3,266,959
Series AQ 4.77%, 05/15/15		835		845,538
Series AX
3.06%, 07/01/25 (Call 04/01/25)		1,900		1,860,841
University of California RB BAB
5.77%, 05/15/43		1,020		1,279,141
5.95%, 05/15/45		1,050		1,325,016

				110,104,943
COLORADO — 0.00%
Regional Transportation District RB BAB
Series B 5.84%, 11/01/50		500		639,035

				639,035
CONNECTICUT — 0.01%
State of Connecticut GO
Series A 5.85%, 03/15/32^d		2,400		2,805,768
State of Connecticut GO BAB
Series D 5.09%, 10/01/30		1,515		1,616,747

				4,422,515
DISTRICT OF COLUMBIA — 0.01%
District of Columbia RB BAB
Series E 5.59%, 12/01/34		700		825,685
District of Columbia Water & Sewer Authority RB
4.81%, 10/01/14		600		645,930


Security	Principal (000s)		Value
Metropolitan Washington Airports Authority Dulles Toll Road Revenue RB BAB
7.46%, 10/01/46	$	1,300	$	1,880,437

				3,352,052
FLORIDA — 0.01%
State Board of Administration Finance Corp. RB
Series A 2.11%, 07/01/18		1,500		1,499,730
2.16%, 07/01/19		1,500		1,494,510
2.64%, 07/01/21		1,500		1,490,370
3.00%, 07/01/20		1,310		1,316,314

				5,800,924
GEORGIA — 0.01%
Municipal Electric Authority of Georgia RB BAB
Project J,
Series 2010-A 6.64%, 04/01/57		3,000		3,668,190
Project M,
Series 2010-A 6.66%, 04/01/57		1,300		1,577,667
Project P,
Series 2010-A 7.06%, 04/01/57		330		383,259

				5,629,116
ILLINOIS — 0.06%
Chicago O’Hare International Airport RB BAB
Series B 6.40%, 01/01/40		500		658,410
Chicago Transit Authority RB
Series A 6.90%, 12/01/40		2,400		3,143,808
Illinois State Toll Highway Authority RB BAB
6.18%, 01/01/34		1,300		1,590,342
State of Illinois GO
5.10%, 06/01/33^d		24,148		22,755,868
5.88%, 03/01/19		4,405		4,513,010
State of Illinois GO BAB
Series 5 7.35%, 07/01/35		1,000		1,095,630

				33,757,068


Security	Principal (000s)		Value
KANSAS — 0.00%
State of Kansas Department of Transportation RB BAB
4.60%, 09/01/35	$	500	$	538,995

				538,995
MARYLAND — 0.00%
Maryland State Transportation Authority RB BAB
5.89%, 07/01/43		1,500		1,887,210

				1,887,210
MASSACHUSETTS — 0.02%
Commonwealth of Massachusetts GOL BAB
4.91%, 05/01/29		1,950		2,188,485
Series E 4.20%, 12/01/21		420		436,136
5.46%, 12/01/39		3,600		4,357,872
Commonwealth of Massachusetts Transportation Fund Revenue RB BAB
Series A 5.73%, 06/01/40		1,400		1,741,236
Massachusetts School Building Authority RB BAB
Series B 5.72%, 08/15/39		1,060		1,286,819

				10,010,548
MISSISSIPPI — 0.00%
State of Mississippi GO BAB
Series F 5.25%, 11/01/34		1,000		1,166,840

				1,166,840
MISSOURI — 0.01%
Health & Educational Facilities Authority of the State of Missouri RB
Series A
3.65%, 08/15/57 (Call 02/15/57)		4,730		4,476,236

				4,476,236


Security	Principal (000s)		Value
NEVADA — 0.00%
County of Clark Department of Aviation RB BAB
Series C 6.82%, 07/01/45	$	850	$	1,251,676

				1,251,676
NEW JERSEY — 0.05%
New Jersey Economic Development Authority RB
Series A 7.43%, 02/15/29 (NPFGC)		2,550		3,141,651
Series B 0.00%, 02/15/19 (AGM)^f		500		487,060
0.00%, 02/15/21 (AGM)^f		1,145		1,045,568
0.00%, 02/15/22 (AGM)^f		1,000		876,240
0.00%, 02/15/23 (AGM)^f		1,400		1,173,746
New Jersey State Turnpike Authority RB BAB
7.10%, 01/01/41		4,230		6,002,412
Series F 7.41%, 01/01/40		4,044		5,925,431
New Jersey Transportation Trust Fund Authority RB BAB
6.56%, 12/15/40		1,500		1,871,190
Series C 5.75%, 12/15/28		2,225		2,491,377
6.10%, 12/15/28 (Call 12/15/20)		1,200		1,247,772
Rutgers The State University of New Jersey RB BAB
5.67%, 05/01/40		900		1,051,443

				25,313,890
NEW YORK — 0.09%
City of New York NY GO BAB
Series C-1 5.52%, 10/01/37		1,000		1,206,780
Series F-1 6.27%, 12/01/37		1,255		1,652,321
Series H-1 5.85%, 06/01/40		645		813,287
Metropolitan Transportation Authority RB BAB
7.34%, 11/15/39		1,840		2,732,142


Security	Principal (000s)		Value
Series 2010-A 6.67%, 11/15/39	$	50	$	67,439
Series 2010B-1 6.55%, 11/15/31		2,110		2,663,284
Series A2 6.09%, 11/15/40		100		128,590
Series B 6.65%, 11/15/39		220		294,327
Series E 6.81%, 11/15/40		1,230		1,681,890
New York City Transitional Finance Authority Future Tax Secured Revenue RB BAB
5.51%, 08/01/37		1,000		1,208,910
5.57%, 11/01/38		100		121,009
Series C-2 5.77%, 08/01/36		2,000		2,399,320
New York City Water & Sewer System RB BAB
5.72%, 06/15/42		3,205		4,126,470
5.88%, 06/15/44		3,090		4,053,369
6.01%, 06/15/42		835		1,109,339
New York State Dormitory Authority RB BAB
5.63%, 03/15/39		1,500		1,787,175
Series D 5.60%, 03/15/40		1,500		1,813,335
New York State Urban Development Corp. RB
Series B 2.10%, 03/15/22		2,000		1,969,100
New York State Urban Development Corp. RB BAB
5.77%, 03/15/39		1,260		1,479,341
Port Authority of New York & New Jersey RB
4.93%, 10/01/51		2,500		2,886,350
5.65%, 11/01/40		1,600		1,975,760
5.65%, 11/01/40		2,255		2,790,968
Series 174 4.46%, 10/01/62		2,175		2,338,364
Series 181 4.96%, 08/01/46		2,000		2,305,620


Security	Principal (000s)		Value
Series 182
5.31%, 08/01/46 (Call 08/01/24)	$	1,000	$	1,090,870
Series 192 4.81%, 10/15/65		4,235		4,785,042

				49,480,402
OHIO — 0.02%
American Municipal Power Inc. RB BAB
5.94%, 02/15/47		1,300		1,632,982
Series B 8.08%, 02/15/50		2,825		4,614,779
Series E 6.27%, 02/15/50		1,210		1,535,768
Ohio State University (The) RB
Series A 3.80%, 12/01/46		2,000		1,919,980
4.05%, 12/01/56		500		490,315
Ohio State University (The) RB BAB
Series C 4.91%, 06/01/40		1,225		1,407,623
Ohio Water Development Authority Water Pollution Control Loan Fund RB BAB
Series B-2 4.88%, 12/01/34		1,115		1,224,973

				12,826,420
OREGON — 0.01%
Oregon School Boards Association GOL
5.53%, 06/30/28 (AGM)		1,000		1,088,400
Series B 5.55%, 06/30/28 (NPFGC)		50		56,530
5.68%, 06/30/28 (NPFGC)		1,000		1,141,190
State of Oregon Department of Transportation RB BAB
Series 2010-A 5.83%, 11/15/34		595		730,809
State of Oregon GO
5.89%, 06/01/27		3,020		3,539,953

				6,556,882


Security	Principal (000s)		Value
PENNSYLVANIA — 0.00%
Commonwealth Financing Authority RB
Series A 4.14%, 06/01/38	$	50	$	50,950
Pennsylvania Turnpike Commission RB BAB
Series B 5.51%, 12/01/45		1,000		1,241,540

				1,292,490
SOUTH CAROLINA — 0.00%
South Carolina Public Service Authority BAB
Series C 6.45%, 01/01/50		400		519,928

				519,928
TENNESSEE — 0.00%
Metropolitan Government Nashville & Davidson County Health & Educational Facility Building RB
Series 2016-B
4.05%, 07/01/26 (Call 04/01/26)		1,000		1,025,750

				1,025,750
TEXAS — 0.06%
City of Houston TX GOL
Series A 6.29%, 03/01/32		605		695,218
City of San Antonio TX Electric & Gas Systems Revenue RB
5.81%, 02/01/41		1,850		2,278,885
Series C 5.99%, 02/01/39		1,000		1,287,100
Dallas Area Rapid Transit RB BAB
5.02%, 12/01/48		950		1,107,681
6.00%, 12/01/44		400		519,268
Dallas Convention Center Hotel Development Corp. RB BAB
7.09%, 01/01/42		700		919,646


Security	Principal (000s)		Value
Dallas County Hospital District GOL BAB
Series C 5.62%, 08/15/44	$	1,250	$	1,511,900
Dallas Independent School District GO BAB
Series C
6.45%, 02/15/35 (Call 02/15/21) (PSF)		400		440,988
North Texas Tollway Authority RB BAB
Series B 6.72%, 01/01/49		4,120		5,898,892
Permanent University Fund – Texas A&M University System RB
Series B
3.66%, 07/01/47 (Call 07/01/27)		2,000		1,917,820
Permanent University Fund – University of Texas System RB
Series A
3.38%, 07/01/47 (Call 01/01/47)		1,625		1,501,711
State of Texas GO BAB
5.52%, 04/01/39		2,300		2,903,934
Series A 4.63%, 04/01/33		1,255		1,382,621
4.68%, 04/01/40		2,000		2,236,020
Texas Transportation Commission State Highway Fund RB BAB
Series B 5.18%, 04/01/30		5,015		5,783,850
University of Texas System (The) RB BAB
Series C 4.79%, 08/15/46		1,500		1,696,290

				32,081,824
UTAH — 0.00%
State of Utah GO BAB
Series B 3.54%, 07/01/25		500		512,145

				512,145


Security	Principal (000s)		Value
VIRGINIA — 0.00%
University of Virginia RB
Series C
4.18%, 09/01/17 (Call 03/01/17)	$	665	$	642,383

				642,383
WASHINGTON — 0.01%
Central Puget Sound Regional Transit Authority RB BAB
5.49%, 11/01/39		1,200		1,426,632
State of Washington GO BAB
Series F 5.14%, 08/01/40		2,150		2,557,662

				3,984,294
WISCONSIN — 0.01%
State of Wisconsin RB
Series A
5.70%, 05/01/26 (AGM)		320		360,131
Series C
3.15%, 05/01/27		2,580		2,514,184

				2,874,315

TOTAL MUNICIPAL DEBT OBLIGATIONS
(Cost: $306,279,817)				322,330,304

U.S. GOVERNMENT & AGENCY OBLIGATIONS — 68.45%

MORTGAGE-BACKED SECURITIES — 29.09%
Federal Home Loan Mortgage Corp.
2.50%, 02/01/28		4,779		4,711,627
2.50%, 01/01/30		40,101		39,333,477
2.50%, 12/01/31		31,310		30,535,781
2.50%, 02/01/32		36,785		35,875,043
2.50%, 03/01/33^j		277,291		270,185,381
2.50%, 03/01/48^j		12,400		11,570,750
3.00%, 04/01/27		986		988,154
3.00%, 05/01/27		7,563		7,577,672
3.00%, 06/01/27		6,524		6,537,107
3.00%, 07/01/27		171		171,504
3.00%, 08/01/27		778		778,749
3.00%, 09/01/27		3,142		3,147,473
3.00%, 11/01/27		1,181		1,183,628
3.00%, 12/01/27		813		813,973


Security	Principal (000s)		Value
3.00%, 01/01/28	$	386	$	386,728
3.00%, 05/01/29		14,429		14,428,217
3.00%, 05/01/30		15,155		15,113,711
3.00%, 06/01/30		8,478		8,494,482
3.00%, 07/01/30		14,465		14,425,712
3.00%, 12/01/30		38,903		38,797,995
3.00%, 02/01/31		13,170		13,119,402
3.00%, 05/01/31		28,525		28,416,145
3.00%, 06/01/31		19,078		19,005,006
3.00%, 07/01/32		26,502		26,409,249
3.00%, 03/01/33^j		239,426		238,303,824
3.00%, 05/01/33		4,705		4,671,372
3.00%, 02/01/43		32,188		31,485,442
3.00%, 08/01/46		118,322		114,656,542
3.00%, 10/01/46		87,091		84,482,077
3.00%, 11/01/46		95,353		92,418,352
3.00%, 12/01/46		163,637		158,789,232
3.00%, 01/01/47		17,953		17,397,270
3.00%, 05/01/47		61,833		60,032,422
3.00%, 03/01/48^j		473,317		458,229,577
3.50%, 11/01/25		5,109		5,198,980
3.50%, 03/01/26		4,209		4,283,089
3.50%, 06/01/26		1,092		1,111,173
3.50%, 03/01/32		2,403		2,442,056
3.50%, 05/01/32		6,821		6,956,532
3.50%, 09/01/32		6,897		7,029,257
3.50%, 03/01/33^j		101,815		103,533,128
3.50%, 10/01/42		1,873		1,884,661
3.50%, 11/01/42		1,754		1,764,953
3.50%, 04/01/43		10,479		10,533,241
3.50%, 06/01/43		2,318		2,329,770
3.50%, 08/01/43		15,455		15,535,399
3.50%, 10/01/43		3,072		3,087,576
3.50%, 01/01/44		35,714		35,928,384
3.50%, 02/01/44		21,240		21,350,140
3.50%, 09/01/44		12,959		12,991,773
3.50%, 12/01/45		24,662		24,712,445
3.50%, 01/01/46		1,205		1,206,619
3.50%, 03/01/46		24,893		24,927,262
3.50%, 05/01/46		13,009		13,020,568
3.50%, 07/01/46		19,135		19,142,253
3.50%, 08/01/46		12,160		12,155,553
3.50%, 09/01/46		21,214		21,229,402


Security	Principal (000s)		Value
3.50%, 10/01/46	$	8,844	$	8,840,270
3.50%, 11/01/46		3,488		3,486,776
3.50%, 12/01/46		3,418		3,424,791
3.50%, 02/01/47		21,568		21,559,269
3.50%, 03/01/47		16,873		16,859,685
3.50%, 04/01/47		53,291		53,252,707
3.50%, 05/01/47		7,300		7,308,626
3.50%, 08/01/47		61,816		61,899,754
3.50%, 09/01/47		368,492		368,221,518
3.50%, 12/01/47		13,377		13,365,885
3.50%, 01/01/48		40,612		40,772,333
3.50%, 02/01/48		27,060		26,898,718
3.50%, 03/01/48^j		383,217		382,678,101
4.00%, 05/01/25		622		639,770
4.00%, 10/01/25		3,320		3,418,505
4.00%, 02/01/26		1,948		2,006,145
4.00%, 05/01/26		2,788		2,876,287
4.00%, 12/01/32		6,657		6,912,945
4.00%, 03/01/33^j		16,278		16,682,407
4.00%, 09/01/41		8,445		8,725,548
4.00%, 02/01/42		6,634		6,854,643
4.00%, 03/01/42		1,614		1,666,393
4.00%, 06/01/42		11,486		11,867,933
4.00%, 07/01/44		14,436		14,887,028
4.00%, 01/01/45		3,403		3,493,227
4.00%, 06/01/45		6,211		6,370,526
4.00%, 08/01/45		18,131		18,595,438
4.00%, 01/01/46		8,549		8,764,379
4.00%, 03/01/46		2,561		2,629,238
4.00%, 05/01/46		18,236		18,691,670
4.00%, 08/01/46		715		734,232
4.00%, 11/01/46		36,258		37,164,496
4.00%, 02/01/47		13,355		13,689,831
4.00%, 03/01/47		1,225		1,257,857
4.00%, 09/01/47		67,588		69,292,294
4.00%, 10/01/47		25,597		26,241,922
4.00%, 11/01/47		32,510		33,325,178
4.00%, 12/01/47		78,305		80,259,821
4.00%, 01/01/48		17,482		17,918,285
4.00%, 03/01/48		15,187		15,566,187
4.00%, 03/01/48^j		262,878		269,244,224
4.50%, 04/01/22		1,221		1,241,771
4.50%, 05/01/23		476		483,084


Security	Principal (000s)		Value
4.50%, 07/01/24	$	798	$	826,522
4.50%, 08/01/24		196		202,886
4.50%, 09/01/24		512		530,374
4.50%, 10/01/24		484		501,294
4.50%, 08/01/30		4,161		4,381,163
4.50%, 03/01/33^j		500		503,906
4.50%, 03/01/39		2,820		2,979,052
4.50%, 05/01/39		3,439		3,633,764
4.50%, 10/01/39		2,642		2,790,598
4.50%, 01/01/40		677		714,883
4.50%, 02/01/41		1,832		1,935,179
4.50%, 05/01/41		9,375		9,944,971
4.50%, 05/01/42		13,068		13,807,091
4.50%, 01/01/45		11,275		11,923,334
4.50%, 11/01/45		311		325,720
4.50%, 04/01/46		2,587		2,713,269
4.50%, 05/01/46		2,109		2,211,346
4.50%, 07/01/46		1,002		1,050,691
4.50%, 08/01/46		1,226		1,286,240
4.50%, 09/01/46		7,746		8,214,986
4.50%, 03/01/47		2,547		2,671,650
4.50%, 05/01/47		48,592		50,975,769
4.50%, 06/01/47		13,602		14,332,167
4.50%, 08/01/47		13,228		13,877,201
4.50%, 10/01/47		17,316		18,165,938
4.50%, 11/01/47		21,799		22,868,827
4.50%, 12/01/47		13,142		13,786,278
4.50%, 01/01/48		47,403		49,728,571
4.50%, 03/01/48^j		10,130		10,606,427
5.00%, 12/01/24		1,490		1,516,760
5.00%, 08/01/25		2,384		2,549,887
5.00%, 06/01/33		1,065		1,152,334
5.00%, 12/01/33		2,809		3,040,271
5.00%, 07/01/35		3,820		4,125,754
5.00%, 01/01/36		1,912		2,061,720
5.00%, 01/01/37		225		242,919
5.00%, 02/01/37		210		226,842
5.00%, 02/01/38		1,081		1,166,016
5.00%, 03/01/38		7,540		8,154,264
5.00%, 12/01/38		965		1,043,877
5.00%, 08/01/40		1,410		1,521,454
5.00%, 09/01/40		6,369		6,869,865
5.00%, 08/01/41		1,868		2,022,132


Security	Principal (000s)		Value
5.00%, 09/01/47	$	2,343	$	2,510,770
5.00%, 03/01/48^j		43,022		45,932,707
5.50%, 02/01/34		4,259		4,667,447
5.50%, 05/01/35		2,737		2,995,172
5.50%, 06/01/35		1,511		1,653,722
5.50%, 05/01/36		2,098		2,300,933
5.50%, 07/01/36		3,419		3,749,978
5.50%, 03/01/38		2,792		3,050,323
5.50%, 04/01/38		676		738,676
5.50%, 01/01/39		1,533		1,678,374
5.50%, 11/01/39		1,795		1,968,816
6.00%, 10/01/36		1,702		1,878,295
6.00%, 02/01/37		1,695		1,878,012
6.00%, 11/01/37		4,740		5,241,347
6.00%, 09/01/38		81		89,935
(12 mo. LIBOR US + 1.748%)
3.52%, 12/01/38^k		3,241		3,423,417
(12 mo. LIBOR US + 1.775%)
3.53%, 11/01/40^k		1,010		1,060,987
(12 mo. LIBOR US + 1.788%)
3.54%, 08/01/41^k		870		920,754
(12 mo. LIBOR US + 1.809%)
2.93%, 05/01/42^k		1,310		1,321,438
(12 mo. LIBOR US + 1.859%)
3.34%, 11/01/41^k		2,778		2,895,090
(12 mo. LIBOR US + 1.880%)
3.63%, 09/01/41^k		1,026		1,088,955
(12 mo. LIBOR US + 1.900%)
3.65%, 11/01/40^k		1,913		2,026,814
3.65%, 01/01/42^k		399		418,866
(12 mo. LIBOR US + 1.910%)
3.66%, 11/01/40^k		1,434		1,519,949
Federal National Mortgage Association
2.10%, 07/25/28		8,795		8,351,674
2.50%, 05/01/27		5,207		5,135,995
2.50%, 10/01/27		5,480		5,405,557
2.50%, 12/01/29		7,899		7,791,777
2.50%, 02/01/30		1,253		1,229,658
2.50%, 03/01/30		15,405		15,075,414
2.50%, 06/01/30		2,306		2,256,161
2.50%, 07/01/30		4,472		4,376,473
2.50%, 08/01/30		12,507		12,239,089


Security	Principal (000s)		Value
2.50%, 09/01/30	$	5,043	$	4,935,114
2.50%, 12/01/30		9,256		9,058,569
2.50%, 01/01/31		5,424		5,307,798
2.50%, 04/01/31		4,385		4,278,619
2.50%, 09/01/31		17,393		16,970,561
2.50%, 10/01/31		120,338		117,958,912
2.50%, 12/01/31		12,996		12,680,325
2.50%, 02/01/32		54,286		52,966,936
2.50%, 05/01/32		99,594		97,173,933
2.50%, 12/01/32		23,058		22,490,495
2.50%, 03/01/33^j		115,065		112,188,500
2.50%, 03/01/48^j		39,475		36,835,109
3.00%, 01/01/27		8,887		8,906,645
3.00%, 10/01/27		8,178		8,194,804
3.00%, 11/01/27		6,256		6,268,851
3.00%, 04/01/30		12,226		12,194,536
3.00%, 07/01/30		9,396		9,371,576
3.00%, 08/01/30		34,869		34,778,137
3.00%, 09/01/30		62,458		62,296,153
3.00%, 10/01/30		24,918		24,853,631
3.00%, 11/01/30		7,015		6,996,756
3.00%, 12/01/30		16,956		16,911,725
3.00%, 02/01/31		7,815		7,794,814
3.00%, 03/01/31		14,986		14,930,588
3.00%, 07/01/31		6,217		6,193,527
3.00%, 09/01/31		10,835		10,794,821
3.00%, 10/01/31		7,200		7,173,038
3.00%, 01/01/32		28,256		28,150,769
3.00%, 02/01/32		5,310		5,291,781
3.00%, 03/01/32		7,856		7,829,591
3.00%, 05/01/32		8,295		8,263,840
3.00%, 11/01/32		19,502		19,421,555
3.00%, 01/01/33		15,386		15,322,291
3.00%, 03/01/33^j		222,109		221,102,071
3.00%, 05/01/33		1,377		1,368,595
3.00%, 08/01/42		51		50,018
3.00%, 09/01/42		195		191,488
3.00%, 10/01/42		8,447		8,267,210
3.00%, 12/01/42		39,946		39,096,930
3.00%, 01/01/43		19,594		19,177,343
3.00%, 02/01/43		606		593,013
3.00%, 03/01/43		12,774		12,493,750
3.00%, 04/01/43		24,305		23,772,481


Security	Principal (000s)		Value
3.00%, 05/01/43	$	10,786	$	10,549,720
3.00%, 06/01/43		7,076		6,920,436
3.00%, 07/01/43		1,287		1,258,332
3.00%, 08/01/43		4,739		4,634,651
3.00%, 11/01/45		4,784		4,652,739
3.00%, 04/01/46		12,521		12,178,783
3.00%, 07/01/46		56,397		54,854,023
3.00%, 10/01/46		6,750		6,557,539
3.00%, 12/01/46		188,409		182,704,896
3.00%, 01/01/47		139,128		134,996,320
3.00%, 03/01/47		31,495		30,404,627
3.00%, 12/01/47		25,827		25,089,534
3.00%, 03/01/48^j		774,071		749,517,951
3.50%, 01/01/27		1,316		1,339,047
3.50%, 11/01/28		420		427,531
3.50%, 01/01/29		1,048		1,067,116
3.50%, 12/01/29		3,308		3,371,281
3.50%, 07/01/30		24,646		25,100,444
3.50%, 10/01/30		8,410		8,568,626
3.50%, 11/01/30		1,622		1,652,546
3.50%, 03/01/31		10,350		10,537,358
3.50%, 06/01/31		25,064		25,577,110
3.50%, 01/01/32		14,916		15,184,670
3.50%, 02/01/32		3,749		3,778,822
3.50%, 05/01/32		10,637		10,850,359
3.50%, 06/01/32		9,734		9,941,762
3.50%, 07/01/32		3,463		3,525,749
3.50%, 08/01/32		4,560		4,645,978
3.50%, 10/01/32		4,098		4,175,622
3.50%, 11/01/32		3,619		3,687,796
3.50%, 03/01/33^j		75,239		76,473,390
3.50%, 02/01/42		29,006		29,184,383
3.50%, 05/01/42		9,074		9,124,508
3.50%, 11/01/42		8,950		8,999,188
3.50%, 12/01/42		12,341		12,409,023
3.50%, 06/01/43		10,086		10,131,029
3.50%, 10/01/43		13,027		13,099,218
3.50%, 10/01/44		17,804		17,884,153
3.50%, 03/01/45		65,551		65,680,390
3.50%, 05/01/45		79,335		79,409,970
3.50%, 07/01/45		30,555		30,583,533
3.50%, 10/01/45		6,661		6,697,674
3.50%, 12/01/45		157,224		157,308,450


Security	Principal (000s)		Value
3.50%, 02/01/46	$	84,056	$	84,094,967
3.50%, 03/01/46		67,516		67,460,467
3.50%, 04/01/46		10,486		10,484,827
3.50%, 05/01/46		70,688		70,723,020
3.50%, 06/01/46		21,982		21,964,015
3.50%, 07/01/46		88,824		88,859,965
3.50%, 08/01/46		38,241		38,211,893
3.50%, 09/01/46		21,868		21,887,129
3.50%, 10/01/46		14,691		14,713,530
3.50%, 11/01/46		47,070		47,087,872
3.50%, 12/01/46		119,579		119,712,895
3.50%, 01/01/47		42,030		42,044,878
3.50%, 04/01/47		56,530		56,556,569
3.50%, 05/01/47		44,550		44,531,697
3.50%, 06/01/47		48,165		48,167,451
3.50%, 07/01/47		34,610		34,685,218
3.50%, 08/01/47		66,515		66,468,878
3.50%, 09/01/47		27,163		27,125,285
3.50%, 10/01/47		31,932		31,888,341
3.50%, 10/01/47		19,006		19,068,120
3.50%, 11/01/47		42,726		42,667,407
3.50%, 12/01/47		62,482		62,391,054
3.50%, 02/01/48		8,093		8,144,915
3.50%, 03/01/48^j		432,338		431,460,113
4.00%, 10/01/25		6,921		7,122,180
4.00%, 11/01/25		535		548,853
4.00%, 03/01/26		1,343		1,384,673
4.00%, 06/01/26		2,187		2,255,446
4.00%, 09/01/26		905		933,270
4.00%, 12/01/30		3,812		3,959,706
4.00%, 01/01/31		1,325		1,376,478
4.00%, 02/01/31		1,061		1,101,807
4.00%, 10/01/31		4,224		4,387,927
4.00%, 02/01/32		5,201		5,402,065
4.00%, 03/01/33^j		69,447		71,020,409
4.00%, 03/01/42		8,241		8,508,239
4.00%, 06/01/42		4,723		4,878,452
4.00%, 05/01/44		8,243		8,524,586
4.00%, 06/01/44		13,985		14,446,414
4.00%, 10/01/44		8,090		8,334,801
4.00%, 12/01/44		32,048		33,100,424
4.00%, 02/01/45		109,003		112,662,193
4.00%, 03/01/45		7,933		8,203,776
4.00%, 05/01/45		33,645		34,793,916


Security	Principal (000s)		Value
4.00%, 09/01/45	$	2,415	$	2,483,671
4.00%, 11/01/45		1,248		1,280,628
4.00%, 01/01/46		3,940		4,038,674
4.00%, 02/01/46		4,147		4,250,237
4.00%, 03/01/46		35,116		36,036,376
4.00%, 04/01/46		15,062		15,460,204
4.00%, 05/01/46		18,397		18,854,681
4.00%, 06/01/46		701		718,075
4.00%, 07/01/46		80,204		82,531,787
4.00%, 08/01/46		24,634		25,301,633
4.00%, 09/01/46		666		682,757
4.00%, 10/01/46		8,874		9,094,662
4.00%, 11/01/46		3,812		3,948,373
4.00%, 04/01/47		104,954		107,797,845
4.00%, 05/01/47		17,654		18,225,894
4.00%, 06/01/47		51,458		52,987,223
4.00%, 07/01/47		120,843		124,210,552
4.00%, 08/01/47		45,318		46,620,840
4.00%, 09/01/47		47,567		48,818,805
4.00%, 10/01/47		61,152		62,689,402
4.00%, 11/01/47		141,253		144,854,188
4.00%, 12/01/47		62,984		64,555,427
4.00%, 02/01/48		138,363		141,788,737
4.00%, 03/01/48^j		21,341		21,851,485
4.50%, 09/01/18		43		42,910
4.50%, 10/01/24		1,208		1,251,314
4.50%, 02/01/25		487		505,294
4.50%, 04/01/25		493		512,587
4.50%, 06/01/25		3,083		3,202,101
4.50%, 08/01/31		3,691		3,889,491
4.50%, 03/01/33^j		11,250		11,260,547
4.50%, 09/01/40		9,903		10,462,192
4.50%, 12/01/40		4,974		5,254,441
4.50%, 01/01/41		11,930		12,603,648
4.50%, 05/01/41		6,818		7,210,418
4.50%, 06/01/41		38,838		41,063,604
4.50%, 08/01/41		12,881		13,607,592
4.50%, 09/01/41		4,895		5,170,642
4.50%, 01/01/42		5,259		5,556,274
4.50%, 09/01/42		4,531		4,784,374
4.50%, 08/01/43		6,607		6,928,805
4.50%, 04/01/44		14,674		15,390,596
4.50%, 06/01/44		2,421		2,557,319


Security	Principal (000s)		Value
4.50%, 02/01/45	$	5,758	$	6,105,471
4.50%, 08/01/45		7,038		7,462,917
4.50%, 11/01/45		609		640,345
4.50%, 12/01/45		3,143		3,320,664
4.50%, 01/01/46		559		587,191
4.50%, 02/01/46		14,465		15,281,338
4.50%, 03/01/46		642		672,923
4.50%, 04/01/46		282		295,958
4.50%, 05/01/46		374		392,635
4.50%, 07/01/46		471		493,541
4.50%, 08/01/46		11,189		11,737,739
4.50%, 09/01/46		408		427,813
4.50%, 10/01/46		3,737		3,921,591
4.50%, 01/01/47		3,413		3,581,140
4.50%, 02/01/47		1,272		1,335,010
4.50%, 03/01/47		831		872,142
4.50%, 06/01/47		14,869		15,675,020
4.50%, 10/01/47		32,280		33,861,154
4.50%, 12/01/47		12,898		13,540,772
4.50%, 01/01/48		109,130		114,649,068
4.50%, 02/01/48		48,974		51,373,434
4.50%, 03/01/48		23,500		24,650,484
4.50%, 03/01/48^j		10,008		10,475,561
5.00%, 08/01/20		38		37,649
5.00%, 07/01/23		1,053		1,095,012
5.00%, 12/01/23		821		846,190
5.00%, 03/01/33^j		975		984,902
5.00%, 11/01/33		8,033		8,678,228
5.00%, 06/01/39		1,692		1,828,372
5.00%, 12/01/39		304		327,724
5.00%, 01/01/40		8		8,334
5.00%, 03/01/40		5,189		5,586,825
5.00%, 04/01/40		777		836,768
5.00%, 05/01/40		56		60,456
5.00%, 06/01/40		70		76,113
5.00%, 07/01/40		4,311		4,641,419
5.00%, 08/01/40		3,322		3,588,149
5.00%, 09/01/40		21		22,903
5.00%, 10/01/40		76		81,391
5.00%, 04/01/41		1,775		1,922,489
5.00%, 05/01/41		8,363		9,004,721
5.00%, 06/01/41		2,031		2,194,770
5.00%, 08/01/41		3,588		3,895,054


Security	Principal (000s)		Value
5.00%, 10/01/41	$	9,997	$	10,766,426
5.00%, 01/01/42		42,592		45,861,374
5.00%, 05/01/42		20,905		22,509,612
5.00%, 06/01/47		16,113		17,248,007
5.00%, 09/01/47		13,165		14,083,230
5.00%, 10/01/47		10,970		11,732,847
5.00%, 02/01/48		22,130		23,726,370
5.00%, 03/13/48^j		79,039		84,337,531
5.50%, 12/01/19		249		251,130
5.50%, 05/01/33		3,113		3,417,406
5.50%, 11/01/33		6,193		6,798,860
5.50%, 09/01/34		8,914		9,779,779
5.50%, 09/01/36		702		770,306
5.50%, 03/01/38		587		642,929
5.50%, 06/01/38		15,627		17,170,328
5.50%, 11/01/38		1,178		1,289,512
5.50%, 07/01/40		3,533		3,881,484
5.50%, 03/01/48^j		179,467		194,889,945
6.00%, 03/01/34		4,824		5,323,368
6.00%, 05/01/34		462		511,614
6.00%, 08/01/34		794		877,665
6.00%, 11/01/34		258		285,560
6.00%, 09/01/36		1,879		2,074,389
6.00%, 08/01/37		3,231		3,571,329
6.00%, 03/01/38		825		913,875
6.00%, 05/01/38		460		508,983
6.00%, 09/01/38		361		398,912
6.00%, 06/01/39		6,944		7,689,224
6.00%, 10/01/39		476		527,331
6.00%, 03/01/48^j		12,220		13,564,200
6.50%, 08/01/36		68		76,561
6.50%, 09/01/36		545		611,213
6.50%, 10/01/36		79		88,590
6.50%, 12/01/36		68		76,048
6.50%, 07/01/37		137		153,992
6.50%, 08/01/37		5,539		6,238,123
6.50%, 10/01/37		243		273,106
6.50%, 11/01/37		42		46,340
6.50%, 12/01/37		1,788		2,007,603
6.50%, 06/01/38		61		66,423
6.50%, 10/01/39		1,678		1,883,355
6.50%, 05/01/40		49		55,562
7.00%, 04/01/37		2,033		2,327,962


Security	Principal (000s)		Value
(12 mo. LIBOR US + 1.590%)
2.53%, 04/01/44^k	$	1,775	$	1,817,685
(12 mo. LIBOR US + 1.758%)
3.51%, 08/01/41^k		1,129		1,199,450
(12 mo. LIBOR US + 1.805%)
3.65%, 02/01/42^k		864		905,942
(12 mo. LIBOR US + 1.815%)
3.57%, 10/01/41^k		1,211		1,284,056
Series 2014-M06, Class A2
2.68%, 05/25/21^a		2,432		2,416,112
Series 2015-M10, Class A2
3.09%, 04/25/27^a		4,548		4,418,828
Series 2016-M11, Class A1
2.08%, 07/25/26		2,020		1,940,016
Series 2017-M4, Class A2
2.60%, 12/25/26^a		30,000		28,453,829
Series 2017-M7, Class A2
2.96%, 02/25/27^a		17,231		16,770,013
Series 2017-M8, Class A2
3.06%, 05/25/27^a		10,471		10,260,192
FHLMC Multifamily Structured Pass Through Certificates
Series K003, Class A5
5.09%, 03/25/19		3,100		3,142,602
Series K006, Class A1
3.40%, 07/25/19		1,098		1,103,941
Series K006, Class A2
4.25%, 01/25/20		2,425		2,477,054
Series K007, Class A2
4.22%, 03/25/20		18,775		19,203,040
Series K010, Class A1
3.32%, 07/25/20		40		40,544
Series K010, Class A2
4.33%, 10/25/20^a		6,375		6,600,523
Series K013, Class A2
3.97%, 01/25/21 (Call 01/11/21)^a		4,000		4,117,359
Series K014, Class A1
2.79%, 10/25/20		517		516,931
Series K017, Class A2
2.87%, 12/25/21		9,500		9,495,739
Series K020, Class A2
2.37%, 05/25/22		12,400		12,131,420


Security	Principal (000s)		Value
Series K024, Class A2
2.57%, 09/25/22	$	890	$	876,412
Series K026, Class A2
2.51%, 11/25/22		11,900		11,675,203
Series K031, Class A2
3.30%, 04/25/23^a		5,100		5,172,854
Series K033, Class A2
3.06%, 07/25/23^a		2,900		2,907,454
Series K034, Class A2
3.53%, 07/25/23^a		33,500		34,339,841
Series K036, Class A2
3.53%, 10/25/23^a		8,685		8,902,293
Series K037, Class A2
3.49%, 01/25/24		10,700		10,948,284
Series K038, Class A1
2.60%, 10/25/23		2,340		2,319,950
Series K046, Class A2
3.21%, 03/25/25		5,000		5,018,053
Series K047, Class A2
3.33%, 05/25/25 (Call 05/11/25)^a		15,000		15,167,531
Series K048, Class A2
3.28%, 06/25/25^a		14,000		14,118,523
Series K052, Class A2
3.15%, 11/25/25		19,250		19,182,528
Series K063, Class A2
3.43%, 01/25/27^a		20,000		20,220,579
Series K066, Class A2
3.12%, 06/25/27		18,250		17,992,753
Series K069, Class A2
3.19%, 09/25/27^a		3,150		3,116,923
Series K703, Class A2
2.70%, 05/25/18		7,833		7,821,605
Series K716, Class A2
3.13%, 06/25/21		17,000		17,136,483
Series K717, Class A2
2.99%, 09/25/21		6,000		6,023,555
Series K718, Class A2
2.79%, 01/25/22		3,500		3,486,919
Series K722, Class A2
2.41%, 03/25/23		15,000		14,613,052
Series K725, Class A1
2.67%, 05/25/23		10,582		10,490,342


Security	Principal (000s)		Value
Series K729, Class A1
2.95%, 02/25/24	$	16,144	$	16,165,672
Government National Mortgage Association
2.50%, 05/20/45		11,359		10,687,533
2.50%, 03/01/48^j		29,025		27,451,301
3.00%, 09/15/42		21		21,026
3.00%, 10/15/42		49		48,256
3.00%, 03/15/43		586		576,396
3.00%, 06/15/43		134		132,235
3.00%, 07/15/43		243		239,332
3.00%, 08/15/43		524		515,385
3.00%, 09/20/43		18,384		18,076,398
3.00%, 11/15/43		1,568		1,542,284
3.00%, 08/20/44		49,745		48,874,814
3.00%, 09/15/44		2,603		2,556,167
3.00%, 10/15/44		1,298		1,274,520
3.00%, 06/20/45		31,424		30,771,381
3.00%, 11/20/45		12,221		11,967,510
3.00%, 12/20/45		23,323		22,838,679
3.00%, 07/20/46		41,645		40,760,698
3.00%, 12/20/46		89,645		87,741,426
3.00%, 01/20/47		27,376		26,794,431
3.00%, 03/01/48^j		926,802		905,377,594
3.50%, 09/15/41		557		563,926
3.50%, 12/15/41		5,599		5,673,691
3.50%, 08/20/42		30,865		31,202,986
3.50%, 09/15/42		1,902		1,926,191
3.50%, 10/15/42		1,115		1,129,694
3.50%, 11/15/42		1,029		1,042,518
3.50%, 02/15/43		402		407,108
3.50%, 03/15/43		729		736,879
3.50%, 04/15/43		122		122,842
3.50%, 05/15/43		1,716		1,734,838
3.50%, 06/15/43		108		108,743
3.50%, 01/20/44		19,136		19,353,074
3.50%, 06/20/44		26,513		26,767,407
3.50%, 08/15/44		107		108,206
3.50%, 08/20/44		25,141		25,382,930
3.50%, 09/15/44		341		344,277
3.50%, 09/20/44		19,948		20,139,820
3.50%, 10/15/44		533		537,799
3.50%, 04/20/45		23,862		24,025,941


Security	Principal (000s)		Value
3.50%, 05/20/45	$	12,583	$	12,678,721
3.50%, 09/20/45		45,724		46,063,091
3.50%, 10/20/45		7,095		7,143,980
3.50%, 10/20/46		61,597		62,032,693
3.50%, 02/20/47		220,068		221,624,606
3.50%, 04/20/47		79,480		80,003,724
3.50%, 08/20/47		38,830		39,105,287
3.50%, 10/20/47		172,476		173,626,381
3.50%, 11/20/47		71,611		72,067,512
3.50%, 12/20/47		76,964		77,528,821
3.50%, 01/20/48		124,699		125,493,756
3.50%, 03/01/48^j		661,586		665,204,147
4.00%, 06/15/39		21		21,404
4.00%, 09/20/40		8,699		9,024,604
4.00%, 01/15/41		7		7,449
4.00%, 01/20/41		2,649		2,747,673
4.00%, 02/15/41		5,529		5,711,893
4.00%, 05/20/41		50		52,334
4.00%, 07/15/41		3,418		3,525,967
4.00%, 08/15/41		10		10,331
4.00%, 09/15/41		58		60,066
4.00%, 09/20/41		3,482		3,612,192
4.00%, 10/15/41		1,128		1,164,781
4.00%, 11/15/41		458		472,481
4.00%, 12/15/41		2,116		2,187,745
4.00%, 12/20/41		11,159		11,576,396
4.00%, 01/15/42		172		177,652
4.00%, 01/20/42		4,884		5,067,077
4.00%, 02/15/42		1,085		1,123,036
4.00%, 03/15/42		4,917		5,098,965
4.00%, 04/15/42		1,787		1,853,433
4.00%, 09/20/42		1,837		1,903,080
4.00%, 11/15/42		88		90,863
4.00%, 05/15/43		167		172,502
4.00%, 08/15/43		61		63,184
4.00%, 10/20/43		14,631		15,144,956
4.00%, 03/15/44		932		961,648
4.00%, 04/15/44		131		135,225
4.00%, 06/15/44		321		331,325
4.00%, 08/15/44		48		49,953
4.00%, 08/20/44		987		1,021,064
4.00%, 09/15/44		190		195,634
4.00%, 10/15/44		166		171,122
4.00%, 10/20/44		18,726		19,371,752


Security	Principal (000s)		Value
4.00%, 09/20/45	$	24,571	$	25,387,551
4.00%, 10/20/45		2,825		2,918,497
4.00%, 01/20/46		10,531		10,881,147
4.00%, 03/20/46		6,759		6,983,196
4.00%, 07/20/46		11,818		12,168,477
4.00%, 09/20/46		2,580		2,656,145
4.00%, 11/20/46		13,226		13,618,128
4.00%, 12/15/46		20,639		21,275,203
4.00%, 09/20/47		58,100		59,751,322
4.00%, 11/20/47		88,861		91,386,285
4.00%, 12/20/47		48,500		49,878,576
4.00%, 03/01/48^j		397,419		407,727,055
4.00%, 03/20/48		26,400		27,150,750
4.50%, 04/15/39		1,152		1,209,905
4.50%, 08/15/39		6,161		6,471,788
4.50%, 11/20/39		2,846		2,987,115
4.50%, 01/20/40		778		816,787
4.50%, 06/15/40		4,491		4,711,953
4.50%, 07/15/40		3,166		3,322,228
4.50%, 08/15/40		3,839		4,027,384
4.50%, 08/20/40		5,024		5,301,119
4.50%, 09/15/40		5,994		6,288,012
4.50%, 10/20/40		10,665		11,253,859
4.50%, 06/20/41		9,773		10,311,596
4.50%, 09/20/41		6,105		6,441,598
4.50%, 12/20/41		1,198		1,263,873
4.50%, 11/20/45		13,658		14,371,460
4.50%, 08/20/46		17,711		18,578,547
4.50%, 09/20/46		2,769		2,914,154
4.50%, 10/20/46		13,135		13,778,002
4.50%, 11/20/46		5,448		5,714,750
4.50%, 12/20/46		2,004		2,101,703
4.50%, 09/20/47		39,001		40,669,103
4.50%, 10/20/47		7,429		7,746,628
4.50%, 12/20/47		44,487		46,389,780
4.50%, 01/20/48		54,612		56,947,800
4.50%, 03/01/48^j		29,262		30,420,483
5.00%, 12/15/36		1,326		1,405,401
5.00%, 01/15/39		4,174		4,472,178
5.00%, 07/15/39		7,851		8,411,459
5.00%, 05/15/40		2,868		3,065,295
5.00%, 07/20/40		15,691		16,702,175
5.00%, 08/20/40		5,398		5,747,186


Security	Principal (000s)		Value
5.00%, 05/15/47	$	4,545	$	4,839,767
5.00%, 06/15/47		2,169		2,321,262
5.00%, 09/20/47		2,290		2,398,784
5.00%, 10/15/47		1,387		1,463,247
5.00%, 11/15/47		1,293		1,364,636
5.00%, 12/15/47		1,272		1,341,772
5.00%, 01/15/48		7,438		7,860,243
5.00%, 02/15/48		8,593		9,067,947
5.00%, 03/01/48^j		27,587		28,974,971
5.50%, 03/15/36		1,858		2,029,689
5.50%, 06/20/38		2,194		2,379,780
5.50%, 03/20/39		3,040		3,294,921
5.50%, 12/15/39		796		865,614
5.50%, 01/15/40		6,769		7,356,059
6.00%, 03/15/37		5,706		6,334,232
6.00%, 09/20/38		2,470		2,722,846
6.00%, 11/15/39		1,047		1,157,447
6.50%, 10/20/38		3,366		3,776,236

				15,917,053,373
U.S. GOVERNMENT AGENCY OBLIGATIONS — 1.70%
Federal Home Loan Banks
0.88%, 10/01/18		3,670		3,645,081
0.88%, 08/05/19		1,000		981,200
1.00%, 09/26/19		7,200		7,062,552
1.13%, 04/25/18		300		299,748
1.13%, 07/14/21		4,000		3,823,520
1.25%, 01/16/19		16,400		16,282,084
1.38%, 03/18/19		14,950		14,831,147
1.38%, 05/28/19		26,950		26,685,890
1.38%, 09/13/19		1,500		1,479,510
1.38%, 11/15/19		3,000		2,955,900
1.38%, 09/28/20		1,500		1,461,255
1.38%, 02/18/21		13,600		13,178,128
1.50%, 10/21/19		15,400		15,211,658
1.63%, 06/14/19		5,600		5,556,768
1.88%, 03/13/20		7,600		7,532,588
1.88%, 12/11/20		1,000		984,070
1.88%, 06/11/21		1,000		979,770
1.88%, 11/29/21		1,250		1,219,463
2.00%, 09/09/22		2,000		1,942,420
2.13%, 02/11/20		8,600		8,558,978
2.38%, 12/13/19		2,000		2,002,240
2.50%, 12/08/23		1,000		982,060


Security	Principal (000s)		Value
2.75%, 12/13/24	$	250	$	247,643
2.88%, 09/13/24		1,000		997,940
4.13%, 03/13/20		1,000		1,034,280
5.50%, 07/15/36		15,500		20,266,250
Federal Home Loan Mortgage Corp.
0.88%, 10/12/18		3,750		3,724,087
1.13%, 08/12/21		2,500		2,383,350
1.25%, 07/26/19 (Call 04/26/18)		1,500		1,478,640
1.25%, 08/01/19		38,200		37,681,626
1.25%, 10/02/19		3,410		3,355,406
1.38%, 05/01/20		13,376		13,104,735
1.50%, 01/17/20		2,550		2,513,356
1.63%, 09/29/20		2,000		1,960,840
1.75%, 05/30/19		22,460		22,338,716
2.38%, 01/13/22		111,218		110,274,871
3.75%, 03/27/19		200		203,384
6.25%, 07/15/32		45,223		60,742,629
6.75%, 09/15/29		500		668,570
6.75%, 03/15/31		20,995		28,759,581
Federal National Mortgage Association
0.88%, 08/02/19		3,620		3,555,492
1.00%, 02/26/19		3,290		3,254,007
1.00%, 08/28/19		5,000		4,910,200
1.00%, 10/24/19		2,200		2,155,538
1.25%, 05/06/21		7,050		6,782,241
1.25%, 08/17/21		73,850		70,684,050
1.38%, 01/28/19		300		297,999
1.38%, 02/26/21		700		677,635
1.38%, 10/07/21		2,500		2,399,100
1.50%, 06/22/20		3,550		3,481,946
1.63%, 01/21/20		81,000		80,032,050
1.75%, 06/20/19		1,350		1,342,737
1.75%, 09/12/19		130,000		129,074,400
1.88%, 09/18/18		4,637		4,634,960
1.88%, 04/05/22		11,000		10,680,670
1.88%, 09/24/26		10,080		9,197,597
2.00%, 01/05/22		45,350		44,343,230
2.00%, 10/05/22		1,000		969,550
2.13%, 04/24/26		14,200		13,295,460
2.38%, 01/19/23		9,850		9,688,558


Security	Principal (000s)		Value
2.63%, 09/06/24	$	6,545	$	6,442,309
6.25%, 05/15/29		5,725		7,351,129
6.63%, 11/15/30		17,915		24,183,817
7.25%, 05/15/30		6,826		9,583,158
NCUA Guaranteed Notes
Series A4
3.00%, 06/12/19		9,500		9,580,560
Private Export Funding Corp. 2.80%, 05/15/22		100		99,886
Tennessee Valley Authority
1.88%, 08/15/22		600		579,516
3.50%, 12/15/42		525		533,169
4.63%, 09/15/60		1,000		1,184,440
4.88%, 01/15/48		8,035		9,812,985
5.25%, 09/15/39		440		564,683
5.88%, 04/01/36		540		721,710
7.13%, 05/01/30		3,556		4,918,055

				926,404,771
U.S. GOVERNMENT OBLIGATIONS — 37.66%
U.S. Treasury Note/Bond
0.75%, 07/15/19		164,900		161,736,446
0.75%, 08/15/19		63,847		62,542,227
0.88%, 04/15/19		112,300		110,751,070
0.88%, 05/15/19		78,650		77,475,642
0.88%, 06/15/19		41,000		40,333,462
0.88%, 07/31/19		237,950		233,635,105
0.88%, 09/15/19		91,200		89,375,214
1.00%, 03/15/19		27,000		26,691,886
1.00%, 08/31/19		34,000		33,403,601
1.00%, 09/30/19		4,500		4,416,687
1.00%, 10/15/19		47,500		46,584,865
1.00%, 11/15/19		81,500		79,834,842
1.00%, 11/30/19		242,500		237,404,110
1.13%, 01/15/19		11,500		11,407,041
1.13%, 01/31/19		30,000		29,740,853
1.13%, 05/31/19		70,400		69,518,675
1.13%, 12/31/19		100,000		98,011,719
1.13%, 03/31/20		94,200		91,963,795
1.13%, 04/30/20		72,304		70,496,400
1.13%, 06/30/21		60,000		57,392,283
1.13%, 07/31/21		100,000		95,510,590
1.13%, 08/31/21		12,800		12,204,535


Security	Principal (000s)		Value
1.13%, 09/30/21	$	19,000	$	18,093,023
1.25%, 01/31/19		52,000		51,609,540
1.25%, 03/31/19		64,950		64,349,446
1.25%, 04/30/19		61,400		60,777,650
1.25%, 06/30/19		151,350		149,545,975
1.25%, 08/31/19		179,720		177,214,405
1.25%, 10/31/19		108,000		106,288,042
1.25%, 01/31/20		61,000		59,850,725
1.25%, 02/29/20		35,000		34,300,000
1.25%, 03/31/21		70,000		67,516,513
1.25%, 10/31/21		137,500		131,356,544
1.38%, 02/28/19		62,200		61,755,631
1.38%, 12/15/19		45,000		44,321,469
1.38%, 01/15/20		120,000		118,067,177
1.38%, 01/31/20		50,400		49,571,712
1.38%, 02/15/20		37,000		36,366,748
1.38%, 02/29/20		63,209		62,099,768
1.38%, 03/31/20		68,750		67,465,612
1.38%, 04/30/20		100,000		98,037,862
1.38%, 05/31/20		180,054		176,287,638
1.38%, 08/31/20		29,680		28,975,982
1.38%, 09/30/20		106,600		103,971,661
1.38%, 10/31/20		57,200		55,722,724
1.38%, 01/31/21		30,000		29,116,657
1.38%, 04/30/21		33,000		31,909,988
1.38%, 05/31/21		25,000		24,140,823
1.38%, 06/30/23		284,100		265,671,561
1.38%, 08/31/23		15,000		13,987,603
1.38%, 09/30/23		50,000		46,570,197
1.50%, 01/31/19		57,500		57,196,321
1.50%, 02/28/19		62,500		62,131,347
1.50%, 03/31/19		20,000		19,869,333
1.50%, 05/31/19		132,000		130,962,130
1.50%, 10/31/19		64,720		63,961,032
1.50%, 11/30/19		197,685		195,196,848
1.50%, 05/15/20		107,500		105,631,916
1.50%, 05/31/20		117,000		114,892,912
1.50%, 06/15/20		80,000		78,530,734
1.50%, 01/31/22		22,250		21,367,049
1.50%, 02/28/23		155,053		146,676,348
1.50%, 03/31/23		80,000		75,599,853
1.50%, 08/15/26		271,000		243,212,235
1.63%, 03/31/19		25,000		24,868,018


Security	Principal (000s)		Value
1.63%, 04/30/19	$	35,400	$	35,197,204
1.63%, 06/30/19		86,600		85,995,890
1.63%, 07/31/19		248,800		246,912,571
1.63%, 12/31/19		47,010		46,484,442
1.63%, 03/15/20		67,500		66,608,255
1.63%, 06/30/20		81,500		80,178,303
1.63%, 11/30/20		108,700		106,483,540
1.63%, 08/15/22		15,091		14,469,302
1.63%, 08/31/22		56,000		53,646,250
1.63%, 11/15/22		1,181		1,128,591
1.63%, 04/30/23		105,000		99,703,356
1.63%, 05/31/23		25,000		23,713,996
1.63%, 10/31/23		8,400		7,923,812
1.63%, 02/15/26		235,890		215,362,128
1.63%, 05/15/26		159,500		145,138,770
1.75%, 09/30/19		65,300		64,837,700
1.75%, 10/31/20		57,900		56,950,156
1.75%, 12/31/20		100,000		98,214,580
1.75%, 11/30/21		117,800		114,472,064
1.75%, 02/28/22		131,000		126,924,752
1.75%, 03/31/22		104,000		100,683,882
1.75%, 04/30/22		49,000		47,389,107
1.75%, 05/15/22		50,135		48,479,675
1.75%, 05/31/22		12,500		12,073,316
1.75%, 06/30/22		126,000		121,599,844
1.75%, 09/30/22		176,700		170,024,339
1.75%, 01/31/23		69,040		66,198,232
1.75%, 05/15/23		103,504		98,849,557
1.88%, 12/31/19		90,000		89,405,860
1.88%, 06/30/20		163,119		161,392,185
1.88%, 11/30/21		75,500		73,729,899
1.88%, 01/31/22		10,000		9,743,014
1.88%, 03/31/22		125,000		121,576,775
1.88%, 04/30/22		115,000		111,738,669
1.88%, 05/31/22		151,000		146,722,208
1.88%, 07/31/22		135,000		130,830,436
1.88%, 08/31/22		161,000		155,967,617
1.88%, 09/30/22		153,500		148,513,235
1.88%, 10/31/22		205,000		198,238,329
2.00%, 01/31/20		70,000		69,674,868
2.00%, 07/31/20		34,250		33,969,246
2.00%, 09/30/20		135,800		134,551,596
2.00%, 11/30/20^d		222,700		220,372,981


Security	Principal (000s)		Value
2.00%, 02/28/21	$	82,000	$	80,977,951
2.00%, 05/31/21		85,000		83,737,752
2.00%, 08/31/21		74,750		73,453,318
2.00%, 10/31/21		65,000		63,781,424
2.00%, 11/15/21		91,306		89,601,716
2.00%, 12/31/21		17,000		16,654,687
2.00%, 07/31/22		97,000		94,581,377
2.00%, 10/31/22		92,000		89,429,552
2.00%, 11/30/22		166,400		161,681,723
2.00%, 02/15/23		5,070		4,916,421
2.00%, 04/30/24		102,000		97,637,904
2.00%, 05/31/24		90,000		86,060,340
2.00%, 06/30/24		61,000		58,288,360
2.00%, 02/15/25		150,693		142,992,973
2.00%, 08/15/25		204,715		193,392,346
2.00%, 11/15/26		111,000		103,528,411
2.13%, 08/31/20		345,520		343,556,230
2.13%, 01/31/21		109,400		108,492,522
2.13%, 06/30/21		265,250		262,169,975
2.13%, 08/15/21		34,088		33,654,287
2.13%, 09/30/21		89,000		87,773,115
2.13%, 12/31/21		135,000		132,910,374
2.13%, 06/30/22		122,500		120,132,608
2.13%, 12/31/22		102,000		99,594,224
2.13%, 11/30/23		90,000		87,169,580
2.13%, 02/29/24		94,250		91,016,612
2.13%, 03/31/24		77,000		74,301,845
2.13%, 07/31/24		100,000		96,202,828
2.13%, 11/30/24		88,000		84,377,184
2.13%, 05/15/25		205,050		195,792,593
2.25%, 03/31/21		185,500		184,412,313
2.25%, 04/30/21		7,000		6,955,860
2.25%, 07/31/21		153,600		152,297,599
2.25%, 12/31/23		30,000		29,225,566
2.25%, 01/31/24		85,200		82,933,153
2.25%, 11/15/24		196,516		189,937,458
2.25%, 12/31/24		30,000		28,981,921
2.25%, 11/15/25		200,879		192,732,412
2.25%, 02/15/27		140,700		133,688,788
2.25%, 08/15/27		165,000		156,325,674
2.25%, 11/15/27		219,000		207,212,505
2.25%, 08/15/46		228,560		190,639,220
2.38%, 12/31/20		50,000		49,960,950


Security	Principal (000s)		Value
2.38%, 01/31/23	$	150,000	$	148,107,094
2.38%, 08/15/24		116,967		114,201,166
2.38%, 05/15/27		82,000		78,652,220
2.50%, 08/15/23		173,311		171,618,545
2.50%, 05/15/24		157,450		155,156,046
2.50%, 02/15/45		116,824		103,465,228
2.50%, 02/15/46		21,700		19,147,025
2.50%, 05/15/46		65,717		57,934,815
2.63%, 08/15/20		34,235		34,451,997
2.63%, 11/15/20		95,606		96,206,188
2.75%, 11/15/23		33,760		33,827,587
2.75%, 02/15/24		108,090		108,166,713
2.75%, 02/28/25		175,000		174,412,108
2.75%, 08/15/42		46,223		43,432,134
2.75%, 11/15/42		178,040		167,053,670
2.75%, 08/15/47		103,000		95,428,715
2.75%, 11/15/47		132,000		122,308,260
2.88%, 05/15/43		27,684		26,531,426
2.88%, 08/15/45		140,500		133,957,072
2.88%, 11/15/46		113,100		107,596,950
3.00%, 05/15/42		40,050		39,404,490
3.00%, 11/15/44		135,477		132,469,496
3.00%, 05/15/45		111,200		108,664,504
3.00%, 11/15/45		148,200		144,706,962
3.00%, 02/15/47		104,000		101,422,095
3.00%, 05/15/47		126,000		122,815,340
3.00%, 02/15/48		50,000		48,761,719
3.13%, 05/15/19		67,200		67,974,209
3.13%, 05/15/21		24,616		25,105,044
3.13%, 11/15/41		31,900		32,078,225
3.13%, 02/15/42		35,800		35,992,616
3.13%, 02/15/43		47,600		47,733,221
3.13%, 08/15/44		146,019		146,120,845
3.38%, 11/15/19		10,000		10,189,683
3.38%, 05/15/44		79,000		82,610,783
3.50%, 05/15/20		109,654		112,425,483
3.50%, 02/15/39		4,000		4,285,093
3.63%, 08/15/19		174,125		177,668,012
3.63%, 02/15/20		132,155		135,547,642
3.63%, 02/15/21		462,271		478,060,314
3.63%, 08/15/43		34,600		37,702,444
3.63%, 02/15/44		43,450		47,364,532
3.75%, 08/15/41		31,500		34,992,628


Security	Principal (000s)		Value
3.75%, 11/15/43	$	32,350	$	35,967,004
3.88%, 08/15/40		51,316		58,005,493
4.25%, 05/15/39		18,040		21,431,950
4.25%, 11/15/40		234,689		279,753,116
4.38%, 11/15/39		48,933		59,172,122
4.38%, 05/15/40		40,403		48,930,540
4.38%, 05/15/41		30,949		37,591,371
4.50%, 02/15/36		85,160		103,199,964
4.50%, 08/15/39		50,207		61,669,372
4.63%, 02/15/40		93,600		117,013,985
4.75%, 02/15/37		77		96,565
4.75%, 02/15/41		107,258		136,785,704
5.00%, 05/15/37		6,108		7,887,393
5.25%, 11/15/28		6,377		7,756,019
5.25%, 02/15/29		6,440		7,859,827
5.38%, 02/15/31		27,040		34,197,355
5.50%, 08/15/28		70,000		86,435,358
6.00%, 02/15/26		63,968		78,518,351
6.13%, 11/15/27		70,000		89,265,398
6.13%, 08/15/29		31,600		41,512,450
6.25%, 05/15/30		13,853		18,586,650
6.38%, 08/15/27		63,580		82,110,224
6.50%, 11/15/26		53,450		68,522,153
6.63%, 02/15/27		31,800		41,348,863
6.75%, 08/15/26		38,500		49,880,656
6.88%, 08/15/25		49,065		62,540,653
7.25%, 08/15/22		121,500		145,427,900
7.50%, 11/15/24		40,000		51,598,826
7.63%, 11/15/22		12,000		14,673,113
7.63%, 02/15/25		13,817		18,052,553
7.88%, 02/15/21		36,500		42,206,716
8.00%, 11/15/21		30,500		36,394,009
8.13%, 08/15/19		73,984		80,367,631
8.13%, 05/15/21		7,000		8,219,636
8.75%, 05/15/20		22,000		25,083,468
8.75%, 08/15/20		36,606		42,187,785

				20,606,704,495

TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS
(Cost: $38,228,498,588)				37,450,162,639


Security	Shares (000s)		Value
SHORT-TERM INVESTMENTS — 13.73%

MONEY MARKET FUNDS — 13.73%
BlackRock Cash Funds: Institutional, SL Agency Shares
1.58%^g,l,m		7,151,645	$	7,152,360,443
BlackRock Cash Funds: Treasury, SL Agency Shares
1.32%^g,m,n		360,169		360,168,590

				7,512,529,033

TOTAL SHORT-TERM INVESTMENTS
(Cost: $7,512,290,799)				7,512,529,033


TOTAL INVESTMENTS IN SECURITIES — 113.49%
(Cost: $62,988,522,167)				62,092,248,061
Other Assets, Less Liabilities — (13.49)%				(7,378,300,395	)

NET ASSETS — 100.00%			$	54,713,947,666

BAB — Build America Bond

GO — General Obligation

GOL — General Obligation Limited

PSF — Permanent School Fund

RB — Revenue Bond

Insured by:

AGM — Assured Guaranty Municipal Corp.

NPFGC — National Public Finance Guarantee Corp.

^a	Variable or floating rate security, which interest rate adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets. Rate shown is the rate in effect as of period end.

^b	Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently in effect.

^c	Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^d	All or a portion of this security is on loan.

^e	Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.

^f	Zero-coupon bond.

^g	Affiliate of the Fund.

^h	This security may be resold to qualified foreign investors and foreign institutional buyers under Regulation S of the Securities Act of 1933.

ⁱ	Investments are denominated in U.S. dollars.

^j	To-be-announced (TBA). See Note 1.

^k	Floating rate security. Rate shown is the rate in effect as of period end.

^l	All or a portion of this security represents an investment of TBA cash collateral.

^m	Annualized 7-day yield as of period end.

ⁿ	All or a portion of this security was purchased with cash collateral received from loaned securities.

Investments in issuers considered to be affiliates of the Fund during the year ended February 28, 2018, for purposes of Section 2(a)(3) of the 1940 Act were as follows:

of the beginning of the reporting period. The categorization of values determined for financial instruments are based on the pricing transparency of the financial instruments and are not necessarily an indication of the risks associated with investing in those securities.

Security transactions are accounted for on trade date. Realized gains and losses on investment transactions are determined using the specific identification method. Interest income, including amortization and accretion of premiums and discounts on debt securities, and payment-in-kind interest income, if any are recognized daily on the accrual basis. Dividend income and capital gain distributions, if any, are recognized on the ex-dividend date, net of any foreign taxes withheld at source.

The Fund may purchase mortgage pass-through securities on a when-issued or to-be-announced (“TBA”) basis, with payment and delivery scheduled for a future date. The Fund may enter into a TBA agreement, sell the obligation to purchase the pools stipulated in the TBA agreement prior to the stipulated settlement date and enter into a new TBA agreement for future delivery of pools of mortgage pass-through securities (a “TBA roll”). A TBA roll is treated by the Fund as a purchase transaction and a sale transaction in which the Fund realizes a gain or loss. The Fund’s use of TBA rolls may cause the Fund to experience higher portfolio turnover and higher transaction costs. The Fund could be exposed to possible risk if there are adverse market actions, expenses or delays in connection with the TBA transactions, or if the counterparty fails to complete the transaction.

Cash received as collateral for securities on loan may be reinvested in certain short-term instruments either directly on behalf of a fund or through one or more joint accounts or money market funds, including those managed by BlackRock Fund Advisors (“BFA”), the Fund’s investment adviser, or its affiliates. As of February 28, 2018, any securities on loan were collateralized by cash and/or U.S. government obligations. Cash collateral received was invested in money market funds managed by BFA and is disclosed in the schedule of investments. Any non-cash collateral received cannot be sold, re-invested or pledged by the Fund, except in the event of borrower default. The securities on loan for the Fund are also disclosed in its schedule of investments. The total value of any securities on loan as of February 28, 2018 and the total value of the related cash collateral are disclosed in the statement of assets and liabilities. Income earned by the Fund from securities lending is disclosed in the statement of operations.

The risks of securities lending include the risk that the borrower may not provide additional collateral when required or may not return the securities when due. To mitigate these risks, the Fund benefits from a borrower default indemnity provided by BlackRock, Inc. (“BlackRock”). BlackRock’s indemnity allows for full replacement of securities loaned if the collateral received does not cover the value of the securities loaned in the event of borrower default. The Fund could incur a loss if the value of an investment purchased with cash collateral falls below the value of the loaned securities or if the value of an investment purchased with cash collateral falls below the value of the original cash collateral received.

The following table is a summary of securities lending agreements which are subject to offset under an MSLA as of February 28, 2018:

For its investment advisory services to the Fund, BFA is entitled to an annual investment advisory fee of 0.05%, accrued daily and paid monthly by the Fund, based on the average daily net assets of the Fund. In addition, the Fund may incur acquired fund fees

and expenses. BFA has contractually agreed to waive a portion of its investment advisory fee for the Fund through June 30, 2026 in an amount equal to the acquired fund fees and expenses, if any, attributable to the Fund’s investments in other registered investment companies advised by BFA or its affiliates.

The U.S. Securities and Exchange Commission has issued an exemptive order which permits BlackRock Institutional Trust Company, N.A. (“BTC”), an affiliate of BFA, to serve as securities lending agent for the Fund, subject to applicable conditions. As securities lending agent, BTC bears all operational costs directly related to securities lending. The Fund is responsible for fees in connection with the investment of cash collateral received for securities on loan in a money market fund managed by BFA, however, BTC has agreed to reduce the amount of securities lending income it receives in order to effectively limit the collateral investment fees the Fund bears to an annual rate of 0.04% (the “collateral investment fees”). Securities lending income is equal to the total of income earned from the reinvestment of cash collateral (excluding collateral investment fees), net of fees and other payments to and from borrowers of securities. The Fund retains a portion of securities lending income and remits the remaining portion to BTC as compensation for its services as securities lending agent.

For the year ended February 28, 2018, the Fund paid to BTC securities lending agent services and collateral investment fees in the amount of $463,809.

For the year ended February 28, 2018, the purchases transactions executed by the Fund pursuant to Rule 17a-7 under the 1940 Act were $741,148.

The PNC Financial Services Group, Inc. is the largest stockholder of BlackRock and is considered to be an affiliate of the Fund for 1940 Act purposes.

Purchases and sales of investments (excluding in-kind transactions and short-term investments) for the year ended February 28, 2018 were as follows:

In-kind purchases and sales (see Note 4) for the year ended February 28, 2018, were $10,012,118,688 and $638,414,777, respectively.

A diversified portfolio, where this is appropriate and consistent with a fund’s objectives, minimizes the risk that a price change of a particular investment will have a material impact on the NAV of a fund. The investment concentrations within the Fund’s portfolio are disclosed in its schedule of investments.

U.S. GAAP requires that certain components of net assets be adjusted to reflect permanent differences between financial and tax reporting. These reclassifications have no effect on net assets or NAV per share. The following permanent differences as of February 28, 2018, attributable to the realized gains (losses) from in-kind redemptions were reclassified to the following accounts:

The tax character of distributions paid during the years ended February 28, 2018 and February 28, 2017 was as follows:

As of February 28, 2018, the tax components of accumulated net earnings (losses) were as follows:

As of February 28, 2018, the Fund had non-expiring capital loss carryforwards in the amount of $241,191,401 available to offset future realized capital gains.

As of February 28, 2018, the cost of investments (including short positions and derivatives, if any) for federal income tax purposes was $62,995,484,079. Net unrealized depreciation was $903,236,018, of which $231,335,468 represented gross unrealized appreciation on securities and $1,134,571,486 represented gross unrealized depreciation on securities.

We have audited the accompanying statement of assets and liabilities, including the schedule of investments, of iShares Core U.S. Aggregate Bond ETF (one of the funds constituting iShares Trust, referred to hereafter as the “Fund”) as of February 28, 2018, the related statement of operations for the year ended February 28, 2018, the statement of changes in net assets for each of the two years in the period ended February 28, 2018, including the related notes, and the financial highlights for each of the five years in the period ended February 28, 2018 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Fund as of February 28, 2018, the results of its operations for the year then ended, the changes in its net assets for each of the two years in the period ended February 28, 2018 and the financial highlights for each of the five years in the period ended February 28, 2018 in conformity with accounting principles generally accepted in the United States of America.

We have served as the auditor of one or more BlackRock investment companies since 2000.

For the fiscal year ended February 28, 2018, the Fund hereby designates $1,076,249,132 as the maximum amount allowable as interest-related dividends eligible for exemption from U.S. withholding tax for nonresident aliens and foreign corporations.

The Fund hereby designates $341,771,985 as the amount of distributions from direct federal obligation interest for the fiscal year ended February 28, 2018. The law varies in each state as to whether and what percentage of ordinary income dividends attributable to federal obligations is exempt from state income tax. Shareholders are advised to check with their tax advisers to determine if any portion of the dividends received is exempt from state income tax.

The amounts and sources of distributions reported are estimates and are provided pursuant to regulatory requirements and are not being provided for tax reporting purposes. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the year and may be subject to changes based on the tax regulations. Shareholders will receive a Form 1099-DIV each calendar year that will inform them how to report these distributions for federal income tax purposes.

BFA has registered the iShares Core U.S. Aggregate Bond ETF (the “Fund”), for marketing to investors in the United Kingdom, the Netherlands, Finland, Sweden, and Luxembourg.

Disclosures are provided in relation to (a) the staff of BFA; (b) staff who are senior management; and (c) staff who have the ability to materially affect the risk profile of the Fund.

BlackRock has a clear and well-defined pay-for-performance philosophy, and compensation programs which support that philosophy.

Members of staff and senior management of BFA typically provide both AIFMD and non-AIFMD related services in respect of multiple funds, clients and functions of BFA and across the broader BlackRock group. Therefore, the figures disclosed are a sum of each individual’s portion of remuneration attributable to the Fund according to an objective apportionment methodology which acknowledges the multiple-service nature of BFA. Accordingly the figures are not representative of any individual’s actual remuneration or their remuneration structure.

The amount of the total remuneration awarded by BFA to its staff which has been attributed to the Fund in respect of BFA’s financial year ending December 31, 2017 was USD 5 million. This figure is comprised of fixed remuneration of USD 1.99 million and variable remuneration of USD 3.01 million. There were a total of 417 beneficiaries of the remuneration described above.

The amount of the aggregate remuneration awarded by BFA, which has been attributed to the Fund in respect of BFA’s financial year ending December 31, 2017, to its senior management was USD 700.05 thousand, and to members of its staff whose actions have a material impact on the risk profile of the Fund was USD 130.41 thousand.

For more information visit www.iShares.com or call 1-800-iShares (1-800-474-2737)

This report is intended for the Fund’s shareholders. It may not be distributed to prospective investors unless it is preceded or accompanied by the current prospectus.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, “BlackRock”).

The registrant has adopted a code of ethics, as of the end of the period covered by this report, applicable to the registrant’s principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions. During the period covered by this report, the code of ethics was amended to clarify an inconsistency in to whom persons covered by the code should report suspected violations of the code. The amendment clarifies that such reporting should be made to BlackRock’s General Counsel, and retains the alternative option of anonymous reporting following “whistleblower” policies. Other non-material changes were also made in connection with this amendment. During the period covered by this report, there have been no waivers granted under the code of ethics. The registrant undertakes to provide a copy of the code of ethics to any person upon request, without charge, by calling 1-800-474-2737.

The registrant’s Board of Trustees has determined that the registrant has more than one audit committee financial expert, as that term is defined under Item 3(b) and 3(c), serving on its audit committee. The audit committee financial experts serving on the registrant’s audit committee are Charles A. Hurty, Richard L. Fagnani (began serving on the audit committee effective as of June 20, 2017 and was designated as an audit committee financial expert serving on the audit committee effective as of September 15, 2017), John E. Kerrigan, and Madhav V. Rajan, all of whom are independent, as that term is defined under Item 3(a)(2).

The principal accountant fees disclosed in items 4(a), 4(b), 4(c), 4(d) and 4(g) are for the twenty-seven series of the registrant for which the fiscal year-end is February 28, 2018 (the “Funds”), and whose annual financial statements are reported in Item 1.

(2) There were no services described in (b) through (d) above that were approved by the audit committee pursuant to paragraph (c)(7)(i)(C) of Rule 2-01 of Regulation S-X.

(a) The registrant is a listed issuer as defined in Rule 10A-3 under the Exchange Act of 1934 and has a separately-designated standing audit committee established in accordance with Section 3(a)(58)(A) of the Exchange Act of 1934. The registrant’s audit committee members are Charles A. Hurty, Richard L. Fagnani (began serving on the audit committee effective as of June 20, 2017), John E. Kerrigan, and Madhav V. Rajan.

Item 7. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies.

Item 9. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers.

There were no material changes to the procedures by which shareholders may recommend nominees to the registrant’s Board of Trustees.

(a) The President (the registrant’s Principal Executive Officer) and Treasurer and Chief Financial Officer (the registrant’s Principal Financial Officer) have concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) are effective as of a date within 90 days of the filing date of this report, based on their evaluation of these controls and procedures required by Rule 30a-3(b) under the Investment Company Act of 1940 and Rules 13a-15(b) or 15d-15(b) under the Exchange Act of 1934.

(b) There were no changes in the registrant’s internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) that occurred during the period covered by this report that have materially affected, or are reasonably likely to materially affect, the registrant’s internal control over financial reporting.

Item 12. Disclosure of Securities Lending Activities for Closed-End Management Investment Companies.

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.


Shareholder Expenses
Actual						Hypothetical 5% Return
Beginning Account Value (9/1/17)		Ending Account Value (2/28/18)		Expenses Paid During Period^a		Beginning Account Value (9/1/17)		Ending Account Value (2/28/18)		Expenses Paid During Period^a		Annualized Expense Ratio
$	1,000.00	$	1,004.00	$	0.75	$	1,000.00	$	1,024.10	$	0.75		0.15%


	Average Annual Total Returns						Cumulative Total Returns
	NAV		MARKET		INDEX		NAV		MARKET		INDEX
1 Year		(0.29)%		(0.27)%		(0.17)%		(0.29)%		(0.27)%		(0.17)%
5 Years		0.34%		0.34%		0.47%		1.73%		1.73%		2.40%
10 Years		1.00%		0.99%		1.14%		10.41%		10.36%		11.98%


Shareholder Expenses
Actual						Hypothetical 5% Return
Beginning Account Value (9/1/17)		Ending Account Value (2/28/18)		Expenses Paid During Period^a		Beginning Account Value (9/1/17)		Ending Account Value (2/28/18)		Expenses Paid During Period^a		Annualized Expense Ratio
$	1,000.00	$	991.40	$	0.74	$	1,000.00	$	1,024.10	$	0.75		0.15%


	Average Annual Total Returns						Cumulative Total Returns
	NAV		MARKET		INDEX		NAV		MARKET		INDEX
1 Year		(0.98)%		(0.92)%		(0.87)%		(0.98)%		(0.92)%		(0.87)%
5 Years		0.70%		0.70%		0.80%		3.57%		3.57%		4.09%
10 Years		2.60%		2.59%		2.73%		29.23%		29.17%		30.95%


Shareholder Expenses
Actual						Hypothetical 5% Return
Beginning Account Value (9/1/17)		Ending Account Value (2/28/18)		Expenses Paid During Period^a		Beginning Account Value (9/1/17)		Ending Account Value (2/28/18)		Expenses Paid During Period^a		Annualized Expense Ratio
$	1,000.00	$	971.10	$	0.73	$	1,000.00	$	1,024.10	$	0.75		0.15%


Management’s Discussions of Fund Performance			5
About Fund Performance			18
Shareholder Expenses			18
Schedules of Investments			19
iShares Short Treasury Bond ETF			19
iShares 1-3 Year Treasury Bond ETF			21
iShares 3-7 Year Treasury Bond ETF			23
iShares 7-10 Year Treasury Bond ETF			25
iShares 10-20 Year Treasury Bond ETF			26
iShares 20+ Year Treasury Bond ETF			27
Financial Statements			29
Financial Highlights			36
Notes to Financial Statements			42
Report of Independent Registered Public Accounting Firm			52
Tax Information			53
Supplemental Information			54
Trustee and Officer Information			59
General Information			63


0-1 Year	0.14	%
1-2 Years	42.38
2-3 Years	50.23
3-4 Years	7.25

TOTAL	100.00	%


Affiliated issuer	Shares held at 02/28/17 (000s)		Shares purchased (000s)			Shares sold (000s)		Shares held at 02/28/18 (000s)		Value at 02/28/18		Income			Net realized gain (loss)^a		Change in unrealized appreciation (depreciation)
BlackRock Cash Funds: Treasury, SL Agency Shares		278,392		456,427	^b		—		734,819	$	734,818,519	$	1,134,022	^c	$	—	$	—


	Level 1		Level 2		Level 3		Total
Investments
Assets
U.S. government obligations	$	—	$	10,141,301,455	$	—	$	10,141,301,455
Money market funds		734,818,519		—		—		734,818,519

Total	$	734,818,519	$	10,141,301,455	$	—	$	10,876,119,974


	Value
TOTAL INVESTMENTS IN SECURITIES — 100.07%
(Cost: $11,427,215,510)	$	11,288,508,005
Other Assets, Less Liabilities — (0.07)%		(7,360,108	)

NET ASSETS — 100.00%	$	11,281,147,897


	iShares Short Treasury Bond ETF			iShares 1-3 Year Treasury Bond ETF			iShares 3-7 Year Treasury Bond ETF

ASSETS
Investments in securities, at cost:
Unaffiliated	$	10,150,571,113		$	11,366,421,429		$	7,261,809,317
Affiliated (Note 2)		734,818,519			60,794,081			44,584,680

Total cost of investments in securities	$	10,885,389,632		$	11,427,215,510		$	7,306,393,997

Investments in securities, at fair value (Note 1):
Unaffiliated	$	10,141,301,455		$	11,227,713,924		$	7,031,747,665
Affiliated (Note 2)		734,818,519			60,794,081			44,584,680
Receivables:
Investment securities sold		—			1,310,047,143			148,657,536
Dividends and interest		17,790,408			42,784,376			29,286,270
Capital shares sold		1,094,814			—			—

Total Assets		10,895,005,196			12,641,339,524			7,254,276,151


LIABILITIES
Payables:
Investment securities purchased		1,387,360,190			1,358,088,874			183,815,596
Capital shares redeemed		—			793,286			—
Investment advisory fees (Note 2)		1,041,762			1,309,467			809,231

Total Liabilities		1,388,401,952			1,360,191,627			184,624,827


NET ASSETS	$	9,506,603,244		$	11,281,147,897		$	7,069,651,324


Net assets consist of:
Paid-in capital	$	9,507,330,988		$	11,476,713,262		$	7,369,283,318
Undistributed net investment income		9,287,214			12,502,554			9,968,021
Accumulated net realized loss		(745,300	)		(69,360,414	)		(79,538,363	)
Net unrealized depreciation		(9,269,658	)		(138,707,505	)		(230,061,652	)

NET ASSETS	$	9,506,603,244		$	11,281,147,897		$	7,069,651,324


Shares outstanding^a		86,200,000			135,200,000			58,900,000


Net asset value per share	$	110.29		$	83.44		$	120.03


	iShares 7-10 Year Treasury Bond ETF			iShares 10-20 Year Treasury Bond ETF			iShares 20+ Year Treasury Bond ETF

ASSETS
Investments in securities, at cost:
Unaffiliated	$	8,790,666,584		$	543,274,565		$	7,295,071,831
Affiliated (Note 2)		37,150,551			9,826,580			110,137,644

Total cost of investments in securities	$	8,827,817,135		$	553,101,145		$	7,405,209,475

Investments in securities, at fair value (Note 1):
Unaffiliated	$	8,348,518,709		$	499,180,183		$	6,630,771,633
Affiliated (Note 2)		37,150,551			9,826,580			110,137,644
Receivables:
Investment securities sold		351,171,949			31,108,909			59,517,475
Dividends and interest		33,468,608			2,359,992			33,520,364
Capital shares sold		288,661			—			—

Total Assets		8,770,598,478			542,475,664			6,833,947,116


LIABILITIES
Payables:
Investment securities purchased		405,305,755			34,930,064			110,779,353
Capital shares redeemed		—			—			3,719,096
Investment advisory fees (Note 2)		927,983			55,288			780,627

Total Liabilities		406,233,738			34,985,352			115,279,076


NET ASSETS	$	8,364,364,740		$	507,490,312		$	6,718,668,040


Net assets consist of:
Paid-in capital	$	8,957,756,160		$	560,877,624		$	7,541,053,802
Undistributed net investment income		13,526,408			849,927			15,106,810
Accumulated net realized loss		(164,769,953	)		(10,142,857	)		(173,192,374	)
Net unrealized depreciation		(442,147,875	)		(44,094,382	)		(664,300,198	)

NET ASSETS	$	8,364,364,740		$	507,490,312		$	6,718,668,040


Shares outstanding^a		81,900,000			3,900,000			56,600,000


Net asset value per share	$	102.13		$	130.13		$	118.70


	iShares Short Treasury Bond ETF						iShares 1-3 Year Treasury Bond ETF
	Year ended February 28, 2018			Year ended February 28, 2017			Year ended February 28, 2018			Year ended February 28, 2017

INCREASE (DECREASE) IN NET ASSETS

OPERATIONS:
Net investment income	$	55,757,836		$	14,310,268		$	118,354,568		$	77,850,812
Net realized gain (loss)		(470,728	)		789,379			(62,914,615	)		10,388,173
Net change in unrealized appreciation/depreciation		(9,451,700	)		1,291,731			(89,857,981	)		(66,694,933	)

Net increase (decrease) in net assets resulting from operations		45,835,408			16,391,378			(34,418,028	)		21,544,052


DISTRIBUTIONS TO SHAREHOLDERS:
From net investment income		(48,341,095	)		(13,773,221	)		(113,449,546	)		(77,242,733	)

Total distributions to shareholders		(48,341,095	)		(13,773,221	)		(113,449,546	)		(77,242,733	)


CAPITAL SHARE TRANSACTIONS:
Proceeds from shares sold		5,910,694,619			2,935,917,825			2,380,872,274			4,525,066,186
Cost of shares redeemed		(849,257,854	)		(4,358,138,024	)		(2,001,472,739	)		(6,295,333,052	)

Net increase (decrease) in net assets from capital share transactions		5,061,436,765			(1,422,220,199	)		379,399,535			(1,770,266,866	)

INCREASE (DECREASE) IN NET ASSETS		5,058,931,078			(1,419,602,042	)		231,531,961			(1,825,965,547	)

NET ASSETS
Beginning of year		4,447,672,166			5,867,274,208			11,049,615,936			12,875,581,483

End of year	$	9,506,603,244		$	4,447,672,166		$	11,281,147,897		$	11,049,615,936

Undistributed net investment income included in net assets at end of year	$	9,287,214		$	1,870,473		$	12,502,554		$	7,593,622


SHARES ISSUED AND REDEEMED
Shares sold		53,600,000			26,600,000			28,300,000			53,300,000
Shares redeemed		(7,700,000	)		(39,500,000	)		(23,800,000	)		(74,200,000	)

Net increase (decrease) in shares outstanding		45,900,000			(12,900,000	)		4,500,000			(20,900,000	)


	iShares Short Treasury Bond ETF
	Year ended Feb. 28, 2018			Year ended Feb. 28, 2017			Year ended Feb. 29, 2016			Year ended Feb. 28, 2015			Year ended Feb. 28, 2014
Net asset value, beginning of year	$	110.36		$	110.29		$	110.26		$	110.23		$	110.21

Income from investment operations:
Net investment income^a		1.01			0.42			0.09			0.00	^b		0.00	^b
Net realized and unrealized gain (loss)^c		(0.22	)		0.05			(0.02	)		0.03			0.02

Total from investment operations		0.79			0.47			0.07			0.03			0.02

Less distributions from:
Net investment income		(0.86	)		(0.40	)		(0.04	)		(0.00	)^b		(0.00	)^b

Total distributions		(0.86	)		(0.40	)		(0.04	)		(0.00	)^b		(0.00	)^b

Net asset value, end of year	$	110.29		$	110.36		$	110.29		$	110.26		$	110.23


Total return		0.71	%		0.44	%		0.07	%		0.03	%		0.02	%


Ratios/Supplemental data:
Net assets, end of year (000s)	$	9,506,603		$	4,447,672		$	5,867,274		$	5,435,886		$	2,623,515
Ratio of expenses to average net assets		0.15	%		0.15	%		0.13	%		0.08	%		0.12	%
Ratio of expenses to average net assets prior to waived fees		0.15	%		0.15	%		0.15	%		0.15	%		0.15	%
Ratio of net investment income to average net assets		0.91	%		0.38	%		0.08	%		0.00	%^d		0.00	%^d
Portfolio turnover rate^e		47	%		78	%		0	%		1	%		97	%


	iShares 1-3 Year Treasury Bond ETF
	Year ended Feb. 28, 2018			Year ended Feb. 28, 2017			Year ended Feb. 29, 2016			Year ended Feb. 28, 2015			Year ended Feb. 28, 2014
Net asset value, beginning of year	$	84.54		$	84.93		$	84.70		$	84.55		$	84.46

Income from investment operations:
Net investment income^a		0.89			0.62			0.49			0.33			0.23
Net realized and unrealized gain (loss)^b		(1.13	)		(0.40	)		0.21			0.14			0.08

Total from investment operations		(0.24	)		0.22			0.70			0.47			0.31

Less distributions from:
Net investment income		(0.86	)		(0.61	)		(0.47	)		(0.32	)		(0.22	)

Total distributions		(0.86	)		(0.61	)		(0.47	)		(0.32	)		(0.22	)

Net asset value, end of year	$	83.44		$	84.54		$	84.93		$	84.70		$	84.55


Total return		(0.29	)%		0.26	%		0.83	%		0.55	%		0.37	%


Ratios/Supplemental data:
Net assets, end of year (000s)	$	11,281,148		$	11,049,616		$	12,875,581		$	7,817,715		$	11,752,875
Ratio of expenses to average net assets		0.15	%		0.15	%		0.15	%		0.15	%		0.15	%
Ratio of net investment income to average net assets		1.06	%		0.73	%		0.58	%		0.39	%		0.27	%
Portfolio turnover rate^c		85	%		66	%		76	%		122	%		136	%


2018 ANNUAL REPORT


MANAGEMENT’S DISCUSSIONS OF FUND PERFORMANCE			5


	Average Annual Total Returns						Cumulative Total Returns
	NAV		MARKET		INDEX		NAV		MARKET		INDEX
1 Year		0.71%		0.71%		0.88%		0.71%		0.71%		0.88%
5 Years		0.25%		0.25%		0.37%		1.26%		1.26%		1.88%
10 Years		0.35%		0.35%		0.48%		3.60%		3.55%		4.93%


6		2018 iSHARES ANNUAL REPORT TO SHAREHOLDERS


	iShares 3-7 Year Treasury Bond ETF
	Year ended Feb. 28, 2018			Year ended Feb. 28, 2017			Year ended Feb. 29, 2016			Year ended Feb. 28, 2015			Year ended Feb. 28, 2014
Net asset value, beginning of year	$	123.07		$	125.75		$	123.34		$	121.64		$	123.38

Income from investment operations:
Net investment income^a		1.93			1.63			1.72			1.61			1.07
Net realized and unrealized gain (loss)^b		(3.10	)		(2.69	)		2.40			1.63			(1.84	)

Total from investment operations		(1.17	)		(1.06	)		4.12			3.24			(0.77	)

Less distributions from:
Net investment income		(1.87	)		(1.62	)		(1.71	)		(1.54	)		(0.97	)

Total distributions		(1.87	)		(1.62	)		(1.71	)		(1.54	)		(0.97	)

Net asset value, end of year	$	120.03		$	123.07		$	125.75		$	123.34		$	121.64


Total return		(0.98	)%		(0.85	)%		3.38	%		2.68	%		(0.62	)%


Ratios/Supplemental data:
Net assets, end of year (000s)	$	7,069,651		$	6,325,850		$	6,727,650		$	4,958,114		$	6,313,349
Ratio of expenses to average net assets		0.15	%		0.15	%		0.15	%		0.15	%		0.15	%
Ratio of net investment income to average net assets		1.57	%		1.31	%		1.39	%		1.32	%		0.88	%
Portfolio turnover rate^c		66	%		45	%		41	%		58	%		57	%


	iShares 7-10 Year Treasury Bond ETF
	Year ended Feb. 28, 2018			Year ended Feb. 28, 2017			Year ended Feb. 29, 2016			Year ended Feb. 28, 2015			Year ended Feb. 28, 2014
Net asset value, beginning of year	$	105.68		$	110.51		$	107.59		$	102.44		$	107.09

Income from investment operations:
Net investment income^a		1.97			1.88			2.00			2.21			1.84
Net realized and unrealized gain (loss)^b		(3.59	)		(4.81	)		2.91			5.12			(4.69	)

Total from investment operations		(1.62	)		(2.93	)		4.91			7.33			(2.85	)

Less distributions from:
Net investment income		(1.93	)		(1.90	)		(1.99	)		(2.18	)		(1.80	)

Total distributions		(1.93	)		(1.90	)		(1.99	)		(2.18	)		(1.80	)

Net asset value, end of year	$	102.13		$	105.68		$	110.51		$	107.59		$	102.44


Total return		(1.59	)%		(2.68	)%		4.65	%		7.24	%		(2.66	)%


Ratios/Supplemental data:
Net assets, end of year (000s)	$	8,364,365		$	7,080,844		$	10,387,936		$	7,369,931		$	4,271,899
Ratio of expenses to average net assets		0.15	%		0.15	%		0.15	%		0.15	%		0.15	%
Ratio of net investment income to average net assets		1.86	%		1.72	%		1.87	%		2.11	%		1.78	%
Portfolio turnover rate^c		46	%		77	%		56	%		142	%		116	%


	iShares 10-20 Year Treasury Bond ETF
	Year ended Feb. 28, 2018			Year ended Feb. 28, 2017			Year ended Feb. 29, 2016			Year ended Feb. 28, 2015			Year ended Feb. 28, 2014
Net asset value, beginning of year	$	134.79		$	141.36		$	137.46		$	126.25		$	133.49

Income from investment operations:
Net investment income^a		2.53			2.52			2.85			2.94			2.77
Net realized and unrealized gain (loss)^b		(4.68	)		(6.58	)		3.89			11.14			(7.08	)

Total from investment operations		(2.15	)		(4.06	)		6.74			14.08			(4.31	)

Less distributions from:
Net investment income		(2.51	)		(2.51	)		(2.84	)		(2.87	)		(2.93	)

Total distributions		(2.51	)		(2.51	)		(2.84	)		(2.87	)		(2.93	)

Net asset value, end of year	$	130.13		$	134.79		$	141.36		$	137.46		$	126.25


Total return		(1.66	)%		(2.91	)%		5.01	%		11.28	%		(3.22	)%


Ratios/Supplemental data:
Net assets, end of year (000s)	$	507,490		$	539,163		$	876,445		$	453,615		$	239,870
Ratio of expenses to average net assets		0.15	%		0.15	%		0.15	%		0.15	%		0.15	%
Ratio of net investment income to average net assets		1.87	%		1.79	%		2.09	%		2.23	%		2.16	%
Portfolio turnover rate^c		27	%		15	%		37	%		9	%		19	%


	iShares 20+ Year Treasury Bond ETF
	Year ended Feb. 28, 2018			Year ended Feb. 28, 2017			Year ended Feb. 29, 2016			Year ended Feb. 28, 2015			Year ended Feb. 28, 2014
Net asset value, beginning of year	$	121.65		$	130.77		$	129.37		$	108.52		$	118.41

Income from investment operations:
Net investment income^a		3.11			3.06			3.15			3.38			3.29
Net realized and unrealized gain (loss)^b		(2.98	)		(9.06	)		1.36			20.84			(9.85	)

Total from investment operations		0.13			(6.00	)		4.51			24.22			(6.56	)

Less distributions from:
Net investment income		(3.08	)		(3.12	)		(3.11	)		(3.37	)		(3.33	)

Total distributions		(3.08	)		(3.12	)		(3.11	)		(3.37	)		(3.33	)

Net asset value, end of year	$	118.70		$	121.65		$	130.77		$	129.37		$	108.52


Total return		0.04	%		(4.70	)%		3.67	%		22.69	%		(5.52	)%


Ratios/Supplemental data:
Net assets, end of year (000s)	$	6,718,668		$	5,255,316		$	9,624,733		$	7,594,272		$	3,146,985
Ratio of expenses to average net assets		0.15	%		0.15	%		0.15	%		0.15	%		0.15	%
Ratio of net investment income to average net assets		2.51	%		2.34	%		2.54	%		2.83	%		3.00	%
Portfolio turnover rate^c		25	%		24	%		37	%		32	%		33	%


iShares ETF		Diversification Classification
Short Treasury Bond		Diversified
1-3 Year Treasury Bond		Diversified
3-7 Year Treasury Bond		Diversified
7-10 Year Treasury Bond		Diversified
10-20 Year Treasury Bond		Diversified
20+ Year Treasury Bond		Diversified


iShares ETF	Fees Paid to BTC
Short Treasury Bond	$	19,644
1-3 Year Treasury Bond		5,280
3-7 Year Treasury Bond		219
20+ Year Treasury Bond		35


iShares ETF	Purchases		Sales
Short Treasury Bond	$	5,102,204,677	$	—
1-3 Year Treasury Bond		2,343,060,261		4,763,880,473
3-7 Year Treasury Bond		1,633,115,342		2,579,204,112
7-10 Year Treasury Bond		73,056,860		1,879,151,769
10-20 Year Treasury Bond		97,263,383		79,612,314
20+ Year Treasury Bond		—		156,054,441


	U.S. Government Obligations
iShares ETF	Purchases		Sales
Short Treasury Bond	$	1,679,564,891	$	299,883,668
1-3 Year Treasury Bond		9,456,966,120		9,581,705,931
3-7 Year Treasury Bond		4,674,348,505		4,670,750,748
7-10 Year Treasury Bond		3,484,893,442		3,452,137,465
10-20 Year Treasury Bond		143,755,696		138,447,965
20+ Year Treasury Bond		1,729,788,548		1,723,156,687


iShares ETF	In-kind Purchases		In-kind Sales
Short Treasury Bond	$	5,762,579,231	$	804,968,866
1-3 Year Treasury Bond		2,352,506,364		1,974,242,604
3-7 Year Treasury Bond		2,922,634,458		1,996,229,741
7-10 Year Treasury Bond		7,033,553,857		5,484,713,468
10-20 Year Treasury Bond		307,925,360		320,865,367
20+ Year Treasury Bond		16,903,276,806		15,310,581,135


iShares ETF	Paid-in capital			Undistributed Net Investment Income/Distributions in Excess of Net Investment Income		Undistributed Net Realized Gain/Accumulated net realized loss
Short Treasury Bond	$	78,146		$	—	$	(78,146	)
1-3 Year Treasury Bond		(1,992,512	)		3,910		1,988,602
3-7 Year Treasury Bond		(1,419,465	)		—		1,419,465
7-10 Year Treasury Bond		4,381,124			—		(4,381,124	)
10-20 Year Treasury Bond		(1,453,170	)		—		1,453,170
20+ Year Treasury Bond		36,567,350			—		(36,567,350	)


iShares ETF	2018		2017
Short Treasury Bond
Ordinary income	$	48,341,095	$	13,773,221

1-3 Year Treasury Bond
Ordinary income	$	113,449,546	$	77,242,733

3-7 Year Treasury Bond
Ordinary income	$	108,689,655	$	79,453,641

7-10 Year Treasury Bond
Ordinary income	$	138,121,408	$	156,573,678

10-20 Year Treasury Bond
Ordinary income	$	9,528,930	$	13,635,481

20+ Year Treasury Bond
Ordinary income	$	175,880,673	$	182,336,253


iShares ETF	Undistributed Ordinary Income		Capital Loss Carryforwards			Net Unrealized Gains (Losses)^a			Total
Short Treasury Bond	$	9,287,214	$	(695,145	)	$	(9,319,813	)	$	(727,744	)
1-3 Year Treasury Bond		12,502,554		(66,703,899	)		(141,364,020	)		(195,565,365	)
3-7 Year Treasury Bond		9,968,021		(76,669,257	)		(232,930,758	)		(299,631,994	)
7-10 Year Treasury Bond		13,526,408		(142,786,542	)		(464,131,286	)		(593,391,420	)
10-20 Year Treasury Bond		849,927		(9,122,573	)		(45,114,666	)		(53,387,312	)
20+ Year Treasury Bond		15,106,810		(144,098,686	)		(693,393,886	)		(822,385,762	)


iShares ETF	Non- Expiring^a		Expiring 2019		Total
Short Treasury Bond	$	695,145	$	—	$	695,145
1-3 Year Treasury Bond		66,703,899		—		66,703,899
3-7 Year Treasury Bond		76,668,027		1,230		76,669,257
7-10 Year Treasury Bond		142,786,542		—		142,786,542
10-20 Year Treasury Bond		9,066,991		55,582		9,122,573
20+ Year Treasury Bond		144,098,686		—		144,098,686


iShares ETF	Tax Cost		Gross Unrealized Appreciation		Gross Unrealized Depreciation			Net Unrealized Appreciation (Depreciation)
Short Treasury Bond	$	10,885,439,787	$	895,110	$	(10,214,923	)	$	(9,319,813	)
1-3 Year Treasury Bond		11,429,872,025		439		(141,364,459	)		(141,364,020	)
3-7 Year Treasury Bond		7,309,263,103		—		(232,930,758	)		(232,930,758	)
7-10 Year Treasury Bond		8,849,800,546		7,500		(464,138,786	)		(464,131,286	)
10-20 Year Treasury Bond		554,121,429		10,656		(45,125,322	)		(45,114,666	)
20+ Year Treasury Bond		7,434,303,163		—		(693,393,886	)		(693,393,886	)


iShares ETF	Interest- Related Dividends
Short Treasury Bond	$	55,462,113
1-3 Year Treasury Bond		118,259,059
3-7 Year Treasury Bond		112,112,265
7-10 Year Treasury Bond		141,565,980
10-20 Year Treasury Bond		9,718,553
20+ Year Treasury Bond		180,596,852


iShares ETF	Federal Obligation Interest
Short Treasury Bond	$	55,462,113
1-3 Year Treasury Bond		118,259,059
3-7 Year Treasury Bond		112,112,265
7-10 Year Treasury Bond		141,565,980
10-20 Year Treasury Bond		9,718,553
20+ Year Treasury Bond		180,596,852


Trustee	Votes For		Votes Withheld
Jane D. Carlin		8,669,874,031		59,322,838
Richard L. Fagnani		8,672,718,914		56,477,955
Drew E. Lawton		8,670,713,236		58,483,633
Madhav V. Rajan		8,653,682,870		75,513,999
Mark Wiedman		8,664,674,816		64,522,053


	Total Cumulative Distributions for the Fiscal Year								% Breakdown of the Total Cumulative Distributions for the Fiscal Year
iShares ETF	Net Investment Income		Net Realized Capital Gains		Return of Capital		Total Per Share		Net Investment Income			Net Realized Capital Gains			Return of Capital			Total Per Share
Short Treasury Bond	$	0.858411	$	—	$	—	$	0.858411		100	%		—	%		—	%		100	%
1-3 Year Treasury Bond		0.857112		—		—		0.857112		100			—			—			100
3-7 Year Treasury Bond		1.869857		—		—		1.869857		100			—			—			100
7-10 Year Treasury Bond		1.929187		—		—		1.929187		100			—			—			100
10-20 Year Treasury Bond		2.505158		—		—		2.505158		100			—			—			100
20+ Year Treasury Bond		3.081439		—		—		3.081439		100			—			—			100


Premium/Discount Range	Number of Days		Percentage of Total Days
Greater than 0.5%		1		0.08	%
Greater than 0.0% and Less than 0.5%		1,087		86.34
At NAV		158		12.55
Less than 0.0% and Greater than –0.5%		13		1.03

		1,259		100.00	%


Premium/Discount Range	Number of Days		Percentage of Total Days
Greater than 0.0% and Less than 0.5%		967		76.81	%
At NAV		202		16.04
Less than 0.0% and Greater than –0.5%		90		7.15

		1,259		100.00	%