iShares U.S. ETF Trust

Copies of the semi-annual reports transmitted to shareholders pursuant to Rule 30e-1 under the Investment Company

Beginning on January 1, 2021, as permitted by regulations adopted by the Securities and Exchange Commission, paper copies of each Fund’s shareholder reports will no longer be sent by mail, unless you specifically request paper copies of the reports from your financial intermediary, such as a broker-dealer or bank. Instead, the reports will be made available on a website, and you will be notified by mail each time a report is posted and provided with a website link to access the report.

You may elect to receive all future reports in paper free of charge. If you hold accounts through a financial intermediary, you can follow the instructions included with this disclosure, if applicable, or contact your financial intermediary to request that you continue to receive paper copies of your shareholder reports. Please note that not all financial intermediaries may offer this service. Your election to receive reports in paper will apply to all funds held with your financial intermediary.

If you already elected to receive shareholder reports electronically, you will not be affected by this change and you need not take any action. You may elect to receive electronic delivery of shareholder reports and other communications by contacting your financial intermediary. Please note that not all financial intermediaries may offer this service.

The iShares Short Maturity Bond ETF (the “Fund”) seeks to maximize current income by investing, under normal circumstances, at least 80% of its net assets in a portfolio of U.S. dollar-denominated investment-grade fixed income securities and maintain a weighted average maturity that is less than three years. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index.

The inception date of the Fund was 9/25/13. The first day of secondary market trading was 9/26/13.

The Bloomberg Barclays Short-Term Government/Corporate Index an unmanaged index that measures the performance of government and corporate securities with less than 1 year remaining to maturity.

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 6 for more information.

The iShares Short Maturity Municipal Bond ETF (the “Fund”) seeks to maximize tax-free current income by investing, under normal circumstances, at least 80% of its net assets in municipal securities such that the interest on each bond is exempt from U.S. federal income taxes and the federal alternative minimum tax. Under normal circumstances, the effective duration of the Fund’s portfolio is expected to be 1.2 years or less, as calculated by the management team, and is not expected to exceed 1.5 years. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index.

The inception date of the Fund was 3/3/15. The first day of secondary market trading was 3/5/15.

The Bloomberg Barclays Municipal Bond: 1 Year (1-2) Index is an unmanaged index comprised of national municipal bond issues having a maturity of at least one year and less than two years.

The iShares Ultra Short-Term Bond ETF (the “Fund”) seeks to provide current income consistent with preservation of capital by investing, under normal circumstances, at least 80% of its net assets in a portfolio of U.S. dollar-denominated investment-grade fixed- and floating-rate debt securities and maintain a dollar-weighted average maturity that is less than 180 days. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index.

The inception date of the Fund was 12/11/13. The first day of secondary market trading was 12/13/13.

The ICE BofAML 6-Month US Treasury Bill Index is an unmanaged index that measures the performance of government securities with less than 6 months remaining to maturity.

Past performance is no guarantee of future results. Financial markets have experienced extreme volatility and trading in many instruments has been disrupted. These circumstances may continue for an extended period of time, and may continue to affect adversely the value and liquidity of the fund’s investments. As a result, current performance may be lower or higher than the performance data quoted. Performance data current to the most recent month-end is available at 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 ask 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. Since shares of a fund may not trade in the secondary market until after the fund’s inception, for the period from inception to the first day of secondary market trading in shares of the fund, the NAV of the fund is used as a proxy for the Market Price to calculate market returns. 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 your 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 at the beginning of the period (or from the commencement of operations if less than 6 months) and held through the end of the period, is intended to help you understand your ongoing costs (in dollars and cents) of investing in your 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 the Period.”

Hypothetical Example for Comparison Purposes — The table also provides information about hypothetical account values and hypothetical expenses based on your 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	Par (000)		Value
Asset-Backed Securities
Adams Mill CLO Ltd., Series 2014-1A, Class A2R, 2.32%, 07/15/26 (Call 07/15/20), (3 mo. LIBOR US + 1.100%)^(a)(b)	$	4,150	$	4,105,366
Ally Auto Receivables Trust, Series 2017-4, Class A3, 1.75%, 12/15/21 (Call 02/15/21)		2,288		2,292,613
ALM VII Ltd., Series 2012-7A, Class A1A2, 2.39%, 07/15/29 (Call 07/15/20), (3 mo. LIBOR US + 1.170%)^(a)(b)		9,000		8,557,988
ALM XVII Ltd., Series 2015-17A, Class A1AR, 2.15%, 01/15/28 (Call 07/15/20), (3 mo. LIBOR US + 0.930%)^(a)(b)		22,500		21,779,937
American Express Credit Account Master Trust, Series 2018-9, Class A, 1.19%, 04/15/26, (1 mo. LIBOR US + 0.380%)^(b)		17,650		17,401,172
AmeriCredit Automobile Receivables Trust
Series 2017-3, Class A3, 1.90%, 03/18/22 (Call 01/18/22)		3,772		3,774,031
Series 2018-3, Class A2A, 3.11%, 01/18/22 (Call 02/18/23)		5,294		5,302,635
Series 2019-1, Class A2A, 2.93%, 06/20/22 (Call 02/18/23)		12,625		12,665,448
Series 2020-1, Class A2B, 1.07%, 03/20/23 (Call 11/18/23), (1 mo. LIBOR US + 0.350%)^(b)		8,000		7,932,996
Anchorage Capital CLO 4-R Ltd., Series 2014-4RA, Class A, 1.94%, 01/28/31 (Call 04/28/20), (3 mo. LIBOR US + 1.050%)^(a)(b)		2,500		2,367,843
Anchorage Capital CLO 7 Ltd., Series 2015-7A, Class AR2, 2.11%, 01/28/31, (3 mo. LIBOR US + 1.090%)^(a)(b)		10,740		10,277,700
Anchorage Capital CLO 8 Ltd., Series 2016-8A, Class AR, 1.89%, 07/28/28 (Call 04/28/20), (3 mo. LIBOR US + 1.000%)^(a)(b)		6,305		6,163,140
Ares XXIX CLO Ltd., Series 2014-1A, Class A1R, 2.32%, 04/17/26 (Call 07/17/20), (3 mo. LIBOR US + 1.190%)^(a)(b)		1,904		1,892,881
Atlas Senior Loan Fund III Ltd., Series 2013-1A, Class AR, 2.52%, 11/17/27 (Call 05/17/20), (3 mo. LIBOR US + 0.830%)^(a)(b)		15,255		14,835,106
Avery Point IV CLO Ltd., Series 2014-1A, Class AR, 2.09%, 04/25/26 (Call 07/25/20), (3 mo. LIBOR US + 1.100%)^(a)(b)		1,707		1,690,931
Bain Capital Credit Clo Ltd., Series 2016-2A, Class AR, 2.36%, 01/15/29 (Call 07/15/20), (3 mo. LIBOR US + 1.140%)^(a)(b)		7,620		7,162,766
BlueMountain CLO Ltd., Series 2012-2A, Class AR2, 2.74%, 11/20/28 (Call 05/20/20), (3 mo. LIBOR US + 1.050%)^(a)(b)		11,310		10,806,276
BMW Floorplan Master Owner Trust, Series 2018-1, Class A2, 1.13%, 05/15/23, (1 mo. LIBOR US + 0.320%)^(a)(b)		21,060		20,744,262
BMW Vehicle Owner Trust
Series 2016-A, Class A4, 1.37%, 12/27/22 (Call 06/25/20)		3,377		3,378,994
Series 2019-A, Class A2, 2.05%, 05/25/22 (Call 09/25/22)		16,569		16,637,331
Carlyle Global Market Strategies CLO Ltd., Series 2013-2A, Class AR, 2.03%, 01/18/29 (Call 07/18/20), (3 mo. LIBOR US + 0.890%)^(a)(b)		4,590		4,343,441


Security	Par (000)		Value
CarMax Auto Owner Trust, Series 2019-1, Class A2A, 3.02%, 07/15/22 (Call 12/15/22)	$	10,174	$	10,220,323
Catamaran CLO Ltd., Series 2015-1A, Class AR, 2.00%, 04/22/27 (Call 07/22/20), (3 mo. LIBOR US + 0.900%)^(a)(b)		2,525		2,475,204
Cedar Funding II CLO Ltd., Series 2013-1A, Class A1R, 2.23%, 06/09/30 (Call 06/09/20), (3 mo. LIBOR US + 1.230%)^(a)(b)		8,000		7,743,161
Cedar Funding VI CLO Ltd., Series 2016-6A, Class AR, 2.23%, 10/20/28 (Call 07/20/20), (3 mo. LIBOR US + 1.090%)^(a)(b)		20,500		19,592,428
Chase Issuance Trust, Series 2018-A1, Class A1, 1.01%, 04/17/23, (1 mo. LIBOR US + 0.200%)^(b)		2,310		2,303,337
CIFC Funding Ltd.
Series 2015-2A, Class AR2, 2.23%, 04/15/30, (3 mo. LIBOR US + 1.010%)^(a)(b)(c)		17,000		16,178,900
Series 2017-2A, Class A, 2.38%, 04/20/30 (Call 07/20/20), (3 mo. LIBOR US + 1.240%)^(a)(b)		6,375		6,122,083
Citibank Credit Card Issuance Trust
Series 2018-A2, Class A2, 1.05%, 01/20/25, (1 mo. LIBOR US + 0.330%)^(b)		10,000		9,889,006
Series 2019-A5, Class A5, 1.29%, 04/22/26, (1 mo. LIBOR + 0.620%)^(b)		40,505		39,812,304
CNH Equipment Trust
Series 2017-B, Class A3, 1.86%, 09/15/22 (Call 06/15/21)		8,459		8,467,067
Series 2019-A, Class A2, 2.96%, 05/16/22 (Call 01/15/23)		4,259		4,280,147
Drive Auto Receivables Trust
Series 2019-2, Class A3, 3.04%, 03/15/23 (Call 02/15/22)		12,903		12,944,839
Series 2019-4, Class A3, 2.16%, 05/15/23 (Call 03/15/23)		8,200		8,231,912
Dryden 43 Senior Loan Fund, Series 2016-43A, Class AR, 2.28%, 07/20/29 (Call 07/20/20), (3 mo. LIBOR US + 1.140%)^(a)(b)		20,000		19,122,486
Dryden XXVI Senior Loan Fund, Series 2013-26A, Class AR, 2.12%, 04/15/29 (Call 07/15/20), (3 mo. LIBOR US + 0.900%)^(a)(b)		16,350		15,366,991
Eaton Vance CLO Ltd., Series 2013-1A, Class A1RR, 2.38%, 01/15/28 (Call 07/15/20), (3 mo. LIBOR US + 1.160%)^(a)(b)		6,000		5,807,548
Enterprise Fleet Financing LLC
Series 2017-2, Class A2, 1.97%, 01/20/23^(a)		679		679,002
Series 2017-3, Class A2, 2.13%, 05/22/23^(a)		1,674		1,672,692
Ford Credit Auto Owner Trust, Series 2019-C, Class A2B, 1.00%, 07/15/22 (Call 06/15/23), (1 mo. LIBOR US + 0.190%)^(b)		31,000		30,951,287
Ford Credit Floorplan Master Owner Trust, Series 2019-1, Class A, 2.84%, 03/15/24		26,550		26,320,834
Ford Credit Floorplan Master Owner Trust A
Series 2017-2, Class A1, 2.16%, 09/15/22		14,518		14,413,489
Series 2019-3, Class A2, 1.41%, 09/15/24, (1 mo. LIBOR US + 0.600%)^(b)		59,321		56,380,933
Galaxy XXIII CLO Ltd., Series 2017-23, Class A, 2.30%, 04/24/29 (Call 07/24/20), (3 mo. LIBOR US + 1.280%)^(a)(b)		14,580		13,982,205
GM Financial Consumer Automobile Receivables Trust Series 2018-2, Class A3, 2.81%, 12/16/22 (Call 03/16/22)		4,336		4,374,883


Security	Par (000)		Value
Series 2018-4, Class A2, 2.93%, 11/16/21 (Call 10/16/22)	$	2,000	$	2,002,944
GoldenTree Loan Opportunities IX Ltd., Series 2014-9A, Class AR2, 2.88%, 10/29/29 (Call 10/29/20), (3 mo. LIBOR US +1.110%)^(a)(b)		16,680		15,967,204
Halcyon Loan Advisors Funding Ltd., Series 2015-2A, Class AR, 2.07%, 07/25/27 (Call 07/25/20), (3 mo. LIBOR US + 1.080%)^(a)(b)		9,951		9,794,439
Honda Auto Receivables Owner Trust, Series 2017-2, Class A3, 1.68%, 08/16/21 (Call 12/15/20)		7,954		7,974,346
HPS Loan Management 10-2016 Ltd., Series 10A-16, Class A1R, 2.28%, 01/20/28 (Call 10/20/20), (3 mo. LIBOR US + 1.140%)^(a)(b)		16,850		16,325,079
John Deere Owner Trust, Series 2017-B, Class A3, 1.82%, 10/15/21 (Call 01/15/21)		2,125		2,128,856
LCM XX LP, Series 20A, Class AR, 2.18%, 10/20/27 (Call 07/20/20), (3 mo. LIBOR US + 1.040%)^(a)(b)		13,750		13,159,843
LCM XXIV Ltd., Series 24A, Class A, 2.45%, 03/20/30 (Call 07/20/20), (3 mo. LIBOR US + 1.310%)^(a)(b)		2,000		1,882,768
LMREC Inc., Series 2016-CRE2, Class A, 2.63%, 11/24/31, (1 mo. LIBOR US + 1.700%)^(a)(b)		430		428,590
LoanCore Issuer Ltd., Series 2018-CRE1, Class A, 1.94%, 05/15/28 (Call 05/15/20), (1 mo. LIBOR US + 1.130%)^(a)(b)		9,450		9,004,640
Madison Park Funding X Ltd., Series 2012-10A, Class AR2, 2.36%, 01/20/29 (Call 07/20/20), (3 mo. LIBOR US + 1.220%)^(a)(b)		6,250		6,018,898
Madison Park Funding XIII Ltd., Series 2014-13A, Class AR2, 2.09%, 04/19/30 (Call 07/19/20), (3 mo. LIBOR US + 0.950%)^(a)(b)		4,000		3,825,417
Marathon CRE Ltd., Series 2018-FL1, Class A, 1.96%, 06/15/28 (Call 06/15/20), (1 mo. LIBOR US + 1.150%)^(a)(b)		20,640		18,917,639
Mercedes-Benz Master Owner Trust Series 2017-BA, Class A, 1.23%, 05/16/22, (1 mo. LIBOR US + 0.420%)^(a)(b)		14,540		14,529,301
Series 2018-BA, Class A, 1.15%, 05/15/23, (1 mo. LIBOR US + 0.340%)^(a)(b)		21,820		21,289,045
Series 2019-AA, Class A, 1.16%, 05/15/23, (1 mo. LIBOR US + 0.350%)^(a)(b)		1,890		1,859,584
Navient Private Education Loan Trust
Series 2017-A, Class A2B, 1.71%, 12/16/58 (Call 03/15/28), (1 mo. LIBOR US + 0.900%)^(a)(b)		1,579		1,515,770
Series 2018-BA, Class A1, 1.16%, 12/15/59 (Call 11/15/27), (1 mo. LIBOR US + 0.350%)^(a)(b)		1,126		1,125,246
Navient Private Education Refi Loan Trust
Series 2018-CA, Class A1, 3.01%, 06/16/42 (Call 01/15/26)^(a)		3,798		3,803,600
Series 2018-DA, Class A1, 1.11%, 12/15/59 (Call 01/15/29), (1 mo. LIBOR US + 0.300%)^(a)(b)		2,459		2,455,109
Series 2019-A, Class A1, 3.03%, 01/15/43 (Call 12/15/26)^(a)		796		797,179
Series 2019-FA, Class A1, 2.18%, 08/15/68 (Call 04/15/28)^(a)		28,317		28,395,197
Series 2020-A, Class A1, 1.16%, 11/15/68 (Call 04/15/29), (1 mo. LIBOR US + 0.350%)^(a)(b)		13,006		12,834,957
Nissan Auto Receivables Owner Trust, Series 2017-B, Class A3, 1.75%, 10/15/21 (Call 08/15/21)		4,229		4,238,826
Nissan Master Owner Trust Receivables Series 2017-C, Class A, 1.13%, 10/17/22, (1 mo. LIBOR US + 0.320%)^(b)		19,405		19,297,586


Security	Par (000)		Value
Series 2019-A, Class A, 1.37%, 02/15/24, (1 mo. LIBOR US + 0.560%)^(b)	$	23,950	$	23,319,452
Series 2019-B, Class A, 1.24%, 11/15/23, (1 mo. LIBOR US + 0.430%)^(b)		24,000		23,352,461
NLY Commercial Mortgage Trust, Series 2019-FL2, Class A, 2.11%, 02/15/36 (Call 03/15/21), (1 mo. LIBOR US + 1.300%)^(a)(b)		5,291		5,185,868
OCP CLO Ltd., Series 2016-12A, Class A1R, 2.26%, 10/18/28 (Call 07/18/20), (3 mo. LIBOR US + 1.120%)^(a)(b)		21,095		20,485,013
OneMain Financial Issuance Trust, Series 2016-3A, Class A, 3.83%, 06/18/31 (Call 05/18/21)^(a)		1,700		1,599,533
OZLM Funding Ltd., Series 2012-1A, Class A1R2, 2.33%, 07/22/29 (Call 07/22/20), (3 mo. LIBOR US + 1.230%)^(a)(b)		994		958,342
OZLM XIV Ltd., Series 2015-14A, Class A1AR, 2.38%, 01/15/29 (Call 07/15/20), (3 mo. LIBOR US + 1.160%)^(a)(b)		10,035		9,577,424
Palmer Square Loan Funding Ltd.
Series 2018-4A, Class A1, 2.59%, 11/15/26 (Call 05/15/20), (3 mo. LIBOR US + 0.900%)^(a)(b)		8,499		8,286,156
Series 2018-5A, Class A1, 1.99%, 01/20/27 (Call 07/20/20), (3 mo. LIBOR US + 0.850%)^(a)(b)		13,113		12,739,758
PFS Financing Corp.
Series 2019-A, Class A1, 1.36%, 04/15/24, (1 mo. LIBOR US + 0.550%)^(a)(b)		40,000		38,372,916
Series 2019-B, Class A, 1.36%, 09/15/23, (1 mo. LIBOR US + 0.550%)^(a)(b)		14,650		14,194,740
Regatta VI Funding Ltd., Series 2016-1A, Class AR, 2.22%, 07/20/28 (Call 07/20/20), (3 mo. LIBOR US + 1.080%)^(a)(b)		15,130		14,602,753
Santander Retail Auto Lease Trust, Series 2019-B, Class A2B, 1.08%, 04/20/22 (Call 11/20/22), (1 mo. LIBOR US + 0.360%)^(a)(b)		12,581		12,451,866
SLM Private Credit Student Loan Trust
Series 2004-A, Class A3, 1.14%, 06/15/33 (Call 03/15/22), (3 mo. LIBOR US + 0.400%)^(b)		6,286		5,920,999
Series 2004-B, Class A3, 1.07%, 03/15/24 (Call 06/15/24), (3 mo. LIBOR US + 0.330%)^(b)		11,069		10,931,749
Series 2005-A, Class A3, 0.94%, 06/15/23 (Call 09/15/27), (3 mo. LIBOR US + 0.200%)^(b)		1,200		1,197,267
Series 2005-A, Class A4, 1.05%, 12/15/38 (Call 09/15/27), (3 mo. LIBOR US + 0.310%)^(b)		10,500		9,134,597
Series 2005-B, Class A4, 1.07%, 06/15/39 (Call 12/15/26), (3 mo. LIBOR US + 0.330%)^(b)		7,857		7,183,271
Series 2006-A, Class A5, 1.03%, 06/15/39 (Call 06/15/28), (3 mo. LIBOR US + 0.290%)^(b)		16,982		15,702,160
Series 2006-B, Class A5, 1.01%, 12/15/39 (Call 09/15/27), (3 mo. LIBOR US + 0.270%)^(b)		12,059		11,566,792
SLM Student Loan Trust, Series 2011-2, Class A1, 1.09%, 11/25/27 (Call 10/25/31), (1 mo. LIBOR US + 0.600%)^(b)		199		197,497
SMB Private Education Loan Trust
Series 2015-A, Class A2A, 2.49%, 06/15/27 (Call 07/15/27)^(a)		5,238		5,241,792
Series 2017-A, Class A2B, 1.71%, 09/15/34, (1 mo. LIBOR US + 0.900%)^(a)(b)		21,440		20,656,888
Series 2018-A, Class A1, 1.16%, 03/16/26, (1 mo. LIBOR US + 0.350%)^(a)(b)		238		237,996
Series 2018-C, Class A1, 1.11%, 09/15/25, (1 mo. LIBOR US + 0.300%)^(a)(b)		875		874,193


Security	Par (000)		Value
Series 2019-A, Class A1, 1.16%, 02/16/26, (1 mo. LIBOR US + 0.350%)^(a)(b)	$	5,514	$	5,501,477
Series 2020-A, Class A1, 1.11%, 03/15/27, (1 mo. LIBOR US + 0.300%)^(a)(b)		11,564		11,428,738
SoFi Professional Loan Program LLC
Series 16-C, Class A1, 1.59%, 10/27/36 (Call 02/25/24), (1 mo. LIBOR US + 1.100%)^(a)(b)		1,428		1,394,658
Series 2015-B, Class A1, 1.54%, 04/25/35 (Call 08/25/21), (1 mo. LIBOR US + 1.050%)^(a)(b)		1,331		1,309,707
Sound Point Clo XIV Ltd., Series 2016-3A, Class AR, 2.19%, 01/23/29 (Call 07/23/20), (3 mo. LIBOR US + 1.150%)^(a)(b)		7,255		6,923,217
Sound Point Clo XV Ltd., Series 2017-1A, Class AR, 2.19%, 01/23/29 (Call 07/23/20), (3 mo. LIBOR US + 1.150%)^(a)(b)		1,100		1,064,099
Symphony CLO XVIII Ltd., Series 2016-18A, Class AR, 2.19%, 01/23/28, (3 mo. LIBOR US + 1.150%)^(a)(b)		2,400		2,306,389
TCI-Symphony CLO Ltd., Series 2016-1A, Class AR, 2.47%, 10/13/29 (Call 07/13/20), (3 mo. LIBOR US + 1.160%)^(a)(b)		5,235		4,993,637
TICP CLO I Ltd., Series 2015-1A, Class AR, 1.94%, 07/20/27 (Call 07/20/20), (3 mo. LIBOR US + 0.800%)^(a)(b)		3,633		3,579,651
TICP CLO VI Ltd., Series 2016-6A, Class AR, 2.42%, 01/15/29 (Call 07/15/20), (3 mo. LIBOR US + 1.200%)^(a)(b)		6,380		6,280,124
Toyota Auto Receivables, Series 2016-C, Class A4, 1.32%, 11/15/21 (Call 05/15/20)		2,653		2,653,193
Toyota Auto Receivables Owner Trust, Series 2019-A, Class A2A, 2.83%, 10/15/21 (Call 11/15/22)		11,687		11,738,187
Venture XXIV CLO Ltd., Series 2016-24A, Class AR, 2.32%, 10/20/28 (Call 07/20/20), (3 mo. LIBOR US + 1.180%)^(a)(b)		2,065		1,992,255
Verizon Owner Trust, Series 2020-A, Class A1B, 0.99%, 07/22/24 (Call 03/20/23), (1 mo. LIBOR US + 0.270%)^(b)		9,290		9,152,656
Volvo Financial Equipment LLC, Series 2019-1A, Class A2, 2.90%, 11/15/21 (Call 10/15/22)^(a)		8,794		8,828,481
VOYA CLO, Series 2017-2A, Class A1, 2.43%, 06/07/30 (Call 07/15/20), (3 mo. LIBOR US + 1.210%)^(a)(b)		5,330		5,190,218
Westlake Automobile Receivables Trust, Series 2019-3A, Class A2, 2.15%, 02/15/23 (Call 07/15/23)^(a)		15,040		15,091,356


Total Asset-Backed Securities — 17.1% (Cost: $1,144,389,689)				1,114,417,507


Certificates of Deposit
MUFG Bank Ltd., 1.49%, 01/25/21, (3 mo. LIBOR US + 0.500%)^(b)		15,000		15,016,423


Total Certificates of Deposit — 0.2% (Cost: $14,994,591)				15,016,423


Collaterized Mortgage Obligations

Mortgage-Backed Securities — 6.9%
280 Park Avenue Mortgage Trust, Series 2017-280P, Class A, 1.69%, 09/15/34, (1 mo. LIBOR US + 0.880%)^(a)(b)		32,100		30,573,074
Americold LLC, Series 2010-ARTA, Class A1, 3.85%, 01/14/29^(a)		1,150		1,152,953


Security	Par (000)		Value

Mortgage-Backed Securities (continued)
AOA Mortgage Trust, Series 2015-1177, Class A, 2.96%, 12/13/29^(a)	$	11,835	$	11,820,448
AREIT Trust, Series 2019-CRE3, Class A, 1.81%, 09/14/36, (1 mo. LIBOR US + 1.020%)^(a)(b)		30,000		27,558,807
Aventura Mall Trust, Series 2013-AVM, Class A, 3.87%, 12/05/32^(a)(b)		4,650		4,707,699
BAMLL Commercial Mortgage Securities Trust, Series 2018-DSNY, Class A, 1.66%, 09/15/34, (1 mo. LIBOR US + 0.850%)^(a)(b)		19,220		17,525,897
Bancorp Commercial Mortgage Trust
Series 2018-CRE4, Class A, 1.71%, 09/15/35, (1 mo. LIBOR US + 0.900%)^(a)(b)		4,904		4,608,616
Series 2019-CRE5, Class A, 1.81%, 03/15/36, (1 mo. LIBOR US + 1.000%)^(a)(b)		9,481		9,026,021
BBCMS Mortgage Trust, Series 2019-BWAY, Class A, 1.77%, 11/25/34, (1 mo. LIBOR US + 0.956%)^(a)(b)		11,305		10,763,038
BBCMS Trust
Series 2018-TYSN, Class A2, 3.76%, 09/05/32^(a)		13,495		13,491,194
Series 2019-CLP, Class A, 1.50%, 12/15/31, (1 mo. LIBOR US + 0.685%)^(a)(b)		9,727		9,281,716
Bear Stearns Commercial Mortgage Securities Trust, Series 2005-PW10, Class AJ, 5.78%, 12/11/40^(b)		4,982		4,976,954
BX Commercial Mortgage Trust
Series 2018-BIOA, Class A, 1.49%, 03/15/37, (1 mo. LIBOR US + 0.671%)^(a)(b)		23,190		22,178,118
Series 2018-IND, Class A, 1.56%, 11/15/35, (1 mo. LIBOR US + 0.750%)^(a)(b)		28,273		27,329,614
BX Trust
Series 2019-ATL, Class A, 1.90%, 10/15/36, (1 mo. LIBOR US + 1.087%)^(a)(b)		5,000		4,546,321
Series 2019-CALM, Class A, 1.69%, 11/15/32, (1 mo. LIBOR US + 0.876%)^(a)(b)		6,798		6,453,047
CGDBB Commercial Mortgage Trust, Series 2017-BIOC, Class A, 1.60%, 07/15/32, (1 mo. LIBOR US + 0.790%)^(a)(b)		12,150		11,804,260
Chase Home Lending Mortgage Trust, Series 2019-ATR2, Class A11, 1.39%, 07/25/49 (Call 12/25/23), (1 mo. LIBOR US + 0.900%)^(a)(b)		5,504		5,322,103
COMM Mortgage Trust, Series 2014-CR15, Class A2, 2.93%, 02/10/47 .		3,772		3,777,618
Commission, Series 2013- GAM, Class A2, 3.37%, 02/10/28^(a)		7,695		7,643,317
Commission Mortgage Trust, Series 2013-CR6, Class A3FL, 1.46%, 03/10/46, (1 mo. LIBOR US + 0.630%)^(a)(b)		788		789,778
Four Times Square Trust Commercial Mortgage Pass-Through Certificates, Series 2006-4TS, Class A, 5.40%, 12/13/28^(a)		10,682		10,834,172
Gosforth Funding PLC, Series 2018-1A, Class A1, 2.13%, 08/25/60 (Call 08/25/23), (3 mo. LIBOR US + 0.450%)^(a)(b)		6,609		6,481,984
GPMT Ltd., Series 2018-FL1, Class A, 1.57%, 11/21/35, (1 mo. LIBOR US + 0.900%)^(a)(b)		2,892		2,807,048
GS Mortgage Securities Corp. Trust
Series 2018-LUAU, Class A, 1.81%, 11/15/32, (1 mo. LIBOR US + 1.000%)^(a)(b)		7,600		6,875,894
Series 2019-SOHO, Class A, 1.71%, 06/15/36, (1 mo. LIBOR US + 0.900%)^(a)(b)		19,046		18,177,405


Security	Par (000)		Value

Mortgage-Backed Securities (continued)
JP Morgan Chase Commercial Mortgage Securities Corp., Series 2019-BKWD, Class A, 1.81%, 09/15/29, (1 mo. LIBOR US + 1.000%)^(a)(b)	$	1,911	$	1,832,503
KNDL Mortgage Trust, Series 2019-KNSQ, Class A, 1.61%, 05/15/36, (1 mo. LIBOR US + 0.800%)^(a)(b)		8,533		8,148,494
Madison Avenue Trust, Series 2013-650M, Class A, 3.84%, 10/12/32^(a)		7,500		7,507,433
Morgan Stanley Capital I Trust
Series 2014-CPT, Class A, 3.35%, 07/13/29^(a)		14,480		14,715,501
Series 2017-CLS, Class A, 1.51%, 11/15/34, (1 mo. LIBOR US + 0.700%)^(a)(b)		34,512		33,346,551
Series 2018-BOP, Class A, 1.66%, 08/15/33, (1 mo. LIBOR US + 0.850%)^(a)(b)		6,860		6,544,650
Series 2018-SUN, Class A, 1.71%, 07/15/35, (1 mo. LIBOR US + 0.900%)^(a)(b)		19,045		17,468,952
Series 2019-AGLN, Class A, 1.76%, 03/15/34, (1 mo. LIBOR US + 0.950%)^(a)(b)		8,247		7,549,111
Natixis Commercial Mortgage Securities Trust, Series 2018-RIVA, Class A, 1.56%, 02/15/33, (1 mo. LIBOR US + 0.750%)^(a)(b)		7,650		6,723,649
Rosslyn Portfolio Trust, Series 2017-ROSS, Class A, 1.94%, 06/15/33, (1 mo. LIBOR US + 0.950%)^(a)(b)		3,390		3,260,088
VNDO Mortgage Trust, Series 2013-PENN, Class A, 3.81%, 12/13/29^(a)		10,200		10,210,757
Wells Fargo Commercial Mortgage Trust, Series 2017-SMP, Class A, 1.56%, 12/15/34, (1 mo. LIBOR US + 0.750%)^(a)(b)		17,280		16,141,682
WFRBS Commercial Mortgage Trust
Series 2012-C6, Class AS, 3.84%, 04/15/45		12,986		13,105,687
Series 2012-C8, Class AFL, 1.75%, 08/15/45, (1 mo. LIBOR US + 1.000%)^(a)(b)		19,450		19,361,194


Total Collaterized Mortgage Obligations — 6.9% (Cost: $465,834,995)				446,423,348


Commercial Paper
AstraZeneca PLC, 1.42%, 11/03/20^(d)		31,000		30,773,273
Bayer Corp., 1.91%, 09/01/20		15,000		14,901,833
BoeingCo. (The)
2.36%, 05/19/20^(d)		30,000		29,962,602
2.53%, 07/31/20^(d)		25,000		24,839,447
3.08%, 11/18/20^(d)		42,000		41,287,344
Ford Motor Credit Co. LLC
3.74%, 07/31/20^(d)		24,000		23,772,883
3.85%, 09/25/20^(d)		20,000		19,688,296
Nissan Motor Acceptance Corp., 2.98%, 06/12/20^(d)		35,000		34,875,921
TELUS Corp., 0.80%, 05/08/20^(d)		11,250		11,248,000
Toyota Motor Credit Corp., 1.51%, 11/04/20^(d)		25,000		24,804,558


Total Commercial Paper—3.9% (Cost: $256,417,387)				256,154,157


Corporate Bonds & Notes

Advertising — 0.1%
Interpublic Group ofCompanies Inc. (The), 3.50%, 10/01/20		4,465		4,493,708


Aerospace & Defense — 1.2%
Boeing Co. (The), 2.13%, 03/01/22 (Call 02/01/22)^(e)		10,000		9,497,888
Northrop Grumman Corp., 2.08%, 10/15/20		40,733		40,951,245


Security	Par (000)		Value

Aerospace & Defense (continued)
Rolls-Royce PLC, 2.38%, 10/14/20 (Call 09/14/20)^(a)	$	30,000	$	29,657,195

				80,106,328

Agriculture — 1.5%
Altria Group Inc., 2.85%, 08/09/22^(e)		16,918		17,397,321
BAT Capital Corp.
2.29%, 08/14/20, (3 mo. LIBORUS + 0.590%)^(b)		24,000		23,905,260
2.57%, 08/15/22 (Call 07/15/22), (3 mo. LIBORUS + 0.880%)^(b)(e)		10,000		9,603,099
2.76%, 08/15/22 (Call 07/15/22)^(e)		40,000		40,527,899
Reynolds American Inc., 6.88%, 05/01/20		10,000		10,000,000

				101,433,579

Auto Manufacturers — 4.9%
American Honda Finance Corp.
1.95%, 05/20/22		15,773		15,760,011
2.20%, 06/27/22		6,136		6,159,959
BMW Finance NV, 2.25%, 08/12/22^(a)		12,000		11,961,483
BMW U.S. Capital LLC, 3.25%, 08/14/20^(a)(e)		13,665		13,673,310
Daimler Finance North America LLC
2.14%, 02/12/21, (3 mo. LIBOR US + 0.430%)^(a)(b)		5,000		4,865,418
2.55%, 08/15/22^(a)		10,000		9,873,293
Ford Motor Credit Co. LLC
2.13%, 09/24/20, (3 mo. LIBOR US + 0.930%)^(b)(e)		15,000		14,781,012
3.16%, 08/04/20 .		58,995		58,552,537
3.34%, 03/28/22 (Call 02/28/22)^(e)		10,000		9,203,000
5.88%, 08/02/21^(e)		15,000		14,850,000
General Motors Financial Co. Inc.
2.68%, 06/30/22, (3 mo. LIBOR US + 1.310%)^(b)		5,545		5,032,781
3.20%, 07/13/20 (Call 06/13/20)		30,000		29,944,242
3.45%, 04/10/22 (Call 02/10/22)		20,000		19,260,400
3.55%, 04/09/21^(e)		10,000		9,847,689
3.70%, 11/24/20 (Call 10/24/20).		25,000		24,932,187
4.20%, 03/01/21 (Call 02/01/21)		10,000		9,931,905
4.20%, 11/06/21 .		40,000		39,195,414
Hyundai Capital America, 1.89%, 09/18/20, (3 mo. LIBOR US + 1.000%)^(a)(b)		3,000		2,989,670
Nissan Motor Acceptance Corp., 1.76%, 09/28/20, (3 mo. LIBOR US + 0.390%)^(a)(b)		18,968		18,552,169
Volkswagen Group of America Finance LLC, 2.70%, 09/26/22^(a)(e)		2,145		2,153,224

				321,519,704

Banks — 24.8%
Australia & New Zealand Banking Group Ltd.
2.19%, 08/19/20, (3 mo. LIBOR US + 0.500%)^(a)(b)		19,745		19,746,826
2.31%, 11/09/22, (3 mo. LIBOR US + 0.580%)^(a)(b)		2,000		1,974,100
4.88%, 01/12/21^(a)		13,000		13,356,082
Australia & New Zealand Banking Group Ltd./New York NY, 2.70%, 11/16/20		15,000		15,144,803
Banco Santander SA, 2.43%, 04/12/23, (3 mo. LIBOR US + 1.120%)^(b)		10,000		9,641,479
Bank of America Corp.
1.87%, 06/25/22 (Call 06/25/21), (3 mo. LIBOR US + 0.650%)^(b)		10,000		9,873,748
2.02%, 04/24/23 (Call 04/24/22), (3 mo. LIBOR US + 1.000%)^(b)		12,500		12,388,923
2.30%, 01/20/23 (Call 01/20/22), (3 mo. LIBOR US + 1.160%)^(b)(e)		25,000		24,913,779
2.33%, 10/01/21 (Call 10/01/20)^(f)		17,500		17,524,645
2.37%, 07/21/21 (Call 07/21/20)^(f)		11,600		11,606,421


Security	Par (000)		Value

Banks (continued)
Bank of Montreal, 2.43%, 08/27/21, (3 mo. LIBOR US + 0.790%)^(b)	$	7,000	$	7,004,612
Bank of New York Mellon Corp. (The), 2.60%, 08/17/20 (Call 07/17/20)		34,250		34,357,984
Bank of Nova Scotia (The), 1.67%, 09/19/22, (3 mo. LIBOR US + 0.620%)^(b)		10,000		9,904,208
Banque Federative du Credit Mutuel SA, 2.13%, 11/21/22^(a)		20,000		20,170,129
Barclays Bank PLC, 5.14%, 10/14/20		8,170		8,269,186
Barclays PLC
2.88%, 06/08/20		22,000		22,022,930
3.12%, 02/15/23 (Call 02/15/22), (3 mo. LIBOR US + 1.430%)^(b)		20,000		19,549,783
BPCE SA, 3.00%, 05/22/22^(a)		17,993		18,245,802
Capital One N.A.
1.91%, 01/30/23 (Call 01/30/22), (3 mo. LIBOR US + 1.150%)^(b)		8,000		7,714,601
2.15%, 09/06/22 (Call 08/06/22)		25,000		24,914,021
2.65%, 08/08/22 (Call 07/08/22)		10,000		10,109,159
Citibank N.A.
2.13%, 10/20/20 (Call 09/20/20)		34,390		34,534,173
3.17%, 02/19/22 (Call 02/19/21)^(f)		15,000		15,188,068
Citigroup Inc.
1.68%, 10/27/22 (Call 09/27/22), (3 mo. LIBOR US + 0.690%)^(b)		10,000		9,833,849
2.65%, 10/26/20		25,000		25,174,889
2.90%, 12/08/21 (Call 11/08/21)^(e)		18,350		18,718,092
Citizens Bank N.A./Providence RI, 2.42%, 02/14/22 (Call 11/14/21), (3 mo. LIBOR US + 0.720%)^(b)(e)		30,000		29,583,951
Commonwealth Bank of Australia, 2.05%, 09/18/20^(a)		38,810		38,963,676
Commonwealth Bank of Australia/New York NY, 2.40%, 11/02/20		20,000		20,128,435
Cooperatieve Rabobank UA
2.09%, 09/26/23, (3 mo. LIBOR US + 0.860%)^(a)(b)		10,000		9,668,693
4.50%, 01/11/21		6,372		6,527,974
Credit Suisse AG/New York NY
3.00%, 10/29/21^(e)		10,450		10,716,203
4.38%, 08/05/20		16,932		17,067,526
Credit Suisse Group AG, 3.57%, 01/09/23 (Call 01/09/22)^(a)		10,000		10,234,754
Credit Suisse Group Funding Guernsey Ltd., 3.13%, 12/10/20		5,870		5,912,344
Danske Bank A/S, 2.75%, 09/17/20^(a)		20,000		20,090,993
Deutsche Bank AG/New York NY
1.91%, 01/22/21, (3 mo. LIBOR US + 0.815%)^(b)		5,000		4,882,049
4.25%, 02/04/21		9,905		9,924,396
Federation des Caisses Desjardins du Quebec, 2.25%, 10/30/20^(a)(e)		26,445		26,625,233
Fifth Third Bank/Cincinnati OH, 1.01%, 10/30/20 (Call 09/30/20), (3 mo. LIBORUS + 0.250%)^(b)		10,000		9,968,300
Goldman Sachs Group Inc. (The)
1.54%, 10/31/22 (Call 10/31/21), (3 mo. LIBOR US + 0.780%)^(b)		4,000		3,939,186
1.94%, 09/15/20 (Call 08/15/20), (3 mo. LIBOR US + 1.200%)^(b)		1,750		1,752,343
2.02%, 07/24/23 (Call 07/24/22), (3 mo. LIBOR US + 1.000%)^(b)(e)		5,000		4,909,573
2.10%, 04/26/22 (Call 04/26/21), (3 mo. LIBOR US +1.110%)^(b)		10,000		9,952,900


Security	Par (000)		Value

Banks (continued)
2.35%, 04/23/21 (Call 03/23/21), (3 mo. LIBOR US + 1.360%)^(b)	$	7,000	$	7,021,596
2.88%, 02/25/21 (Call 01/25/21)		25,000		25,250,658
3.21%, 11/29/23, (3 mo. LIBOR US + 1.600%)^(b)		15,000		14,976,554
3.45%, 02/25/21, (3 mo. LIBOR US + 1.770%)^(b)		10,000		10,054,528
HSBC Bank PLC, 4.13%, 08/12/20^(a)(e)		10,000		10,079,319
HSBC Holdings PLC
2.29%, 05/18/21 (Call 05/18/20), (3 mo. LIBOR US + 0.600%)^(b)		24,695		24,693,405
2.65%, 01/05/22		6,110		6,188,958
3.24%, 03/08/21, (3 mo. LIBOR US + 2.240%)^(b)		6,815		6,864,453
3.34%, 05/25/21, (3 mo. LIBOR US + 1.660%)^(b)		10,000		10,033,666
4.00%, 03/30/22		8,870		9,265,108
Huntington National Bank (The), 2.50%, 08/07/22 (Call 07/07/22)		15,430		15,813,348
ING Groep NV, 2.52%, 03/29/22, (3 mo. LIBOR US + 1.150%)^(b)		3,500		3,467,306
JPMorgan Chase &Co.
1.50%, 06/18/22 (Call 06/18/21), (3 mo. LIBOR US + 0.610%)^(b)		12,500		12,396,749
1.89%, 04/25/23 (Call 04/25/22), (3 mo. LIBOR US + 0.900%)^(b)		10,000		9,911,835
2.26%, 06/01/21 (Call 06/01/20), (3 mo. LIBOR US + 0.680%)^(b)		19,985		19,980,535
2.78%, 04/25/23 (Call 04/25/22)^(f)		10,000		10,239,334
4.25%, 10/15/20		10,000		10,144,547
Lloyds Bank PLC, 6.38%, 01/21/21		9,000		9,307,654
Mitsubishi UFJ Financial Group Inc.
1.64%, 07/26/21, (3 mo. LIBORUS + 0.650%)^(b)		10,000		9,949,517
1.78%, 07/25/22, (3 mo. LIBOR US + 0.790%)^(b)		4,000		3,922,873
2.62%, 07/18/22		5,000		5,101,246
3.00%, 02/22/22		5,000		5,117,552
Mitsubishi UFJ Trust & BankingCorp., 2.65%, 10/19/20^(a)		26,010		26,174,453
Mizuho Financial Group Inc.
1.62%, 09/13/23 (Call 09/13/22), (3 mo. LIBOR US + 0.850%)^(b)		25,000		24,142,203
1.91%, 09/13/21, (3 mo. LIBOR US + 1.140%)^(b)(e)		20,000		19,995,023
2.10%, 03/05/23, (3 mo. LIBOR US + 0.790%)^(b)		3,000		2,918,314
Morgan Stanley
2.32%, 01/20/22 (Call 01/20/21), (3 mo. LIBOR US + 1.180%)^(b)		15,000		14,961,015
2.42%, 10/24/23 (Call 10/24/22), (3 mo. LIBOR US + 1.400%)^(b)		25,000		24,966,679
2.63%, 11/17/21		30,000		30,477,215
MUFG Americas Holdings Corp., 3.50%, 06/18/22		2,885		2,973,392
Regions Bank/Birmingham AL, 3.37%, 08/13/21 (Call 08/13/20)^(f)		8,853		8,862,563
Royal Bank of Scotland Group PLC, 3.16%, 05/15/23 (Call 05/15/22), (3 mo. LIBOR US + 1.470%)^(b)		9,895		9,574,378
Santander Holdings USA Inc., 4.45%, 12/03/21 (Call 11/03/21)		5,000		5,146,497
Santander UK Group Holdings PLC
2.88%, 10/16/20		62,600		62,961,833
2.88%, 08/05/21		17,619		17,828,802
3.13%, 01/08/21		10,000		10,093,002
Skandinaviska Enskilda Banken AB
1.43%, 12/12/22, (3 mo. LIBOR US + 0.645%)^(a)(b)		15,000		14,805,332
2.12%, 05/17/21, (3 mo. LIBOR US + 0.430%)^(a)(b)		10,000		9,960,473
2.63%, 11/17/20^(a)(e)		20,000		20,177,445
2.63%, 03/15/21^(e)		9,900		10,046,331


Security	Par (000)		Value

Banks (continued)
Standard Chartered PLC
2.74%, 09/10/22 (Call 09/10/21)^(a)(f)	$	18,100	$	18,144,922
3.05%, 01/15/21^(a)(e)		20,000		20,127,014
Sumitomo Mitsui Financial Group Inc., 1.98%,10/16/23, (3 mo. LIBOR US + 0.800%)^(b)(e)		4,000		3,861,071
Suncorp-Metway Ltd., 2.38%,11/09/20^(a)		17,500		17,579,350
Svenska Handelsbanken AB
1.36%, 09/08/20, (3 mo. LIBOR US + 0.360%)^(b)		5,000		4,997,844
1.95%, 09/08/20		33,495		33,602,149
2.15%, 05/24/21, (3 mo. LIBOR US + 0.470%)^(b)(e)		12,500		12,457,577
2.45%,03/30/21		14,674		14,869,639
Truist Bank, 1.49%, 10/26/21 (Call 10/26/20), (3 mo. LIBOR US + 0.500%)^(b)		32,020		31,766,603
U.S. Bank N.A./Cincinnati OH, 3.00%,02/04/21 (Call 01/04/21)		6,760		6,846,557
UBS AG/London
1.75%,04/21/22 (Call 03/21/22)^(a)		12,680		12,733,538
2.06%,12/01/20 (Call 11/01/20), (3 mo. LIBOR US + 0.480%)^(a)(b)		5,000		4,996,995
2.45%,12/01/20 (Call 11/01/20)^(a)(e)		28,574		28,738,304
UBS Group AG
2.90%,05/23/23 (Call 05/23/22), (3 mo. LIBOR US + 1.220%)^(a)(b)		20,000		19,842,587
3.49%,05/23/23 (Call 05/23/22)^(a)		20,000		20,582,381
Wells Fargo & Co.
1.98%,07/22/20, (3 mo. LIBOR US + 0.880%)^(b)		5,000		5,005,004
1.99%,10/31/23 (Call 10/31/22), (3 mo. LIBOR US + 1.230%)^(b)(e)		15,000		14,898,000
2.55%, 12/07/20		15,000		15,118,891
2.59%, 03/04/21, (3 mo. LIBOR US + 1.340%)^(b)		30,000		30,082,534
2.63%,07/22/22		15,000		15,360,625
Wells Fargo Bank N.A.
1.54%,07/23/21 (Call 07/23/20), (3 mo. LIBOR US + 0.500%)^(b)		15,000		14,925,431
1.61%,10/22/21 (Call 09/21/21), (3 mo. LIBOR US + 0.510%)^(b)(e)		30,000		29,819,100
Westpac Banking Corp., 2.60%,11/23/20		21,585		21,798,742

				1,616,731,370

Beverages — 0.4%
Keurig Dr Pepper Inc., 3.55%,05/25/21		25,000		25,511,459


Biotechnology —0.4%
Gilead Sciences Inc.
2.55%,09/01/20		15,000		15,090,591
4.50%,04/01/21 (Call 01/01/21)		8,000		8,200,724

				23,291,315

Chemicals — 1.0%
DuPont de Nemours Inc.
2.17%,05/01/23		7,290		7,338,635
2.40%,11/15/20, (3 mo. LIBOR US + 0.710%)^(b)		47,500		47,347,642
3.77%,11/15/20		9,000		9,090,816
Sherwin-Williams Co. (The), 2.75%,06/01/22 (Call 05/01/22)		1,254		1,266,745

				65,043,838

Commercial Services — 0.2%
Moody’s Corp., 2.75%, 12/15/21 (Call 11/15/21)^(e)		12,150		12,383,314


Security	Par (000)		Value

Computers — 1.2%
Dell International LLC/EMC Corp.
4.42%,06/15/21 (Call 05/15/21)^(a)	$	2,665	$	2,708,277
5.45%,06/15/23 (Call 04/15/23)^(a)		25,000		26,459,554
Hewlett Packard Enterprise Co.
2.09%,10/05/21 (Call 05/14/20), (3 mo. LIBOR US + 0.720%)^(b)		20,000		19,656,889
3.60%, 10/15/20 (Call 09/15/20)^(g)		10,000		10,063,194
IBM Credit LLC, 2.08%, 11/30/20, (3 mo. LIBOR US + 0.470%)^(b)		7,250		7,255,874
International Business Machines Corp., 2.85%, 05/13/22		15,000		15,596,700

				81,740,488

Diversified Financial Services — 4.2%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
4.25%,07/01/20		35,000		34,901,497
4.50%,05/15/21		12,000		11,646,785
4.63%,10/30/20		20,000		19,745,517
5.00%,10/01/21		18,975		18,145,533
AIG Global Funding, 1.93%,07/02/20, (3 mo. LIBOR US + 0.480%)^(a)(b)		3,695		3,698,233
Ally Financial Inc., 4.13%, 02/13/22^(e)		25,585		25,923,745
American Express Co.
1.09%,10/30/20 (Call 09/29/20), (3 mo. LIBOR US + 0.330%)^(b)		7,750		7,740,329
2.20%,10/30/20 (Call 09/29/20)		8,985		9,023,007
2.29%,02/27/23 (Call 01/27/23), (3 mo. LIBOR US + 0.650%)^(b)		4,000		3,912,260
2.34%,11/05/21 (Call 10/05/21), (3 mo. LIBOR US + 0.600%)^(b)		10,000		9,913,380
Capital One Bank USA N.A., 2.01%,01/27/23 (Call 01/27/22)^(f)		10,000		9,895,873
Capital One Financial Corp.
1.21%,10/30/20 (Call 09/30/20), (3 mo. LIBOR US + 0.450%)^(b)		5,000		4,986,489
1.95%,03/09/22 (Call 02/09/22), (3 mo. LIBOR US + 0.950%)^(b)		24,635		24,215,588
3.45%,04/30/21 (Call 03/30/21)^(e)		10,000		10,143,296
GE Capital International Funding Co. Unlimited Co., 2.34%,11/15/20		53,250		53,358,412
International Lease Finance Corp.
4.63%,04/15/21		7,990		7,854,234
5.88%, 08/15/22		22,625		22,085,218

				277,189,396

Electric — 1.0%
Duke Energy Progress LLC, 1.18%,09/08/20, (3 mo. LIBOR US + 0.180%)^(b)		9,835		9,824,030
Florida Power & Light Co., 2.14%,05/06/22 (Call 05/11/20), (3 mo. LIBOR US + 0.400%)^(b)(e)		8,645		8,568,146
NextEra Energy Capital Holdings Inc.
2.40%,09/01/21		14,400		14,638,608
2.90%, 04/01/22		13,665		14,116,545
3.30%,08/15/22		12,025		12,549,248
Sempra Energy, 1.72%, 01/15/21 (Call 05/29/20), (3 mo. LIBOR US + 0.500%)^(b)		5,065		5,013,084

				64,709,661

Electronics — 0.4%
Roper Technologies Inc., 3.00%,12/15/20 (Call 11/15/20)		8,500		8,566,456
Tyco Electronics Group SA, 1.76%,06/05/20, (3 mo. LIBOR US + 0.450%)^(b)		15,000		14,990,643

				23,557,099


Security	Par (000)		Value

Environmental Control — 0.1%
Republic Services Inc., 3.55%, 06/01/22 (Call 03/01/22)	$	5,895	$	6,152,205


Food — 1.5%
Campbell Soup Co., 1.37%, 03/15/21, (3 mo. LIBOR US + 0.630%)^(b)		15,000		14,868,731
Conagra Brands Inc.
1.82%,10/09/20, (3 mo. LIBOR US + 0.500%)^(b)		7,000		6,962,146
1.85%,10/22/20 (Call 05/11/20), (3 mo. LIBOR US + 0.750%)^(b)(e)		5,208		5,201,088
General Mills Inc.
1.72%,04/16/21, (3 mo. LIBOR US + 0.540%)^(b)		26,636		26,495,828
2.60%,10/12/22 (Call 09/12/22)		9,135		9,346,183
Kraft Heinz Foods Co.
2.30%,02/10/21, (3 mo. LIBOR US + 0.570%)^(b)		4,010		3,952,249
2.55%,08/10/22, (3 mo. LIBOR US + 0.820%)^(b)		5,000		4,818,750
Tyson Foods Inc.
2.13%,06/02/20, (3 mo. LIBOR US + 0.550%)^(b)		5,475		5,476,845
2.15%,08/21/20, (3 mo. LIBOR US + 0.450%)^(b)		14,160		14,145,514
4.50%,06/15/22 (Call 03/15/22)		7,930		8,380,542

				99,647,876

Health Care—Services — 0.7%
Anthem Inc.
2.50%,11/21/20		25,000		25,183,723
3.13%,05/15/22		19,425		20,139,020

				45,322,743

Household Products & Wares — 0.3%
Kimberly-Clark Corp.
2.15%,08/15/20		9,686		9,724,536
3.63%,08/01/20		8,503		8,561,733

				18,286,269

Insurance — 0.4%
Allstate Corp. (The), 1.80%,03/29/21, (3 mo. LIBOR US + 0.430%)^(b)(e)		5,710		5,677,288
American International Group Inc., 3.38%, 08/15/20^(e)		2,997		3,014,021
Marsh & McLennan Companies Inc., 2.57%, 12/29/21 (Call 05/29/20), (3 mo. LIBOR US + 1.200%)^(b)		13,380		13,380,002
MassMutual Global Funding II, 1.95%,09/22/20^(a)		7,500		7,528,294

				29,599,605

Lodging —0.7%
Marriott International Inc./MD
Series N, 3.13%,10/15/21 (Call 07/15/21)		35,000		34,148,116
Series Y, 2.18%,12/01/20, (3 mo. LIBOR US + 0.600%)^(b)		10,000		9,831,410

				43,979,526

Machinery —0.2%
Caterpillar Financial Services Corp., 2.20%,05/15/23, (3 mo. LIBOR US + 0.510%)^(b)		10,000		9,747,270
John Deere Capital Corp., 1.40%,06/07/21, (3 mo. LIBOR US + 0.400%)^(b)(e)		6,480		6,457,463

				16,204,733

Manufacturing —0.7%
General Electric Co.
3.15%,09/07/22		10,000		10,233,564
4.63%,01/07/21		34,500		35,078,910

				45,312,474


Security	Par (000)		Value

Media — 2.7%
Charter Communications Operating LLC/Charter Communications Operating Capital
3.58%,07/23/20 (Call 06/23/20)	$	76,750	$	76,855,147
4.46%,07/23/22 (Call 05/23/22)		45,920		48,374,944
Comcast Corp., 1.87%,10/01/21, (3 mo. LIBOR US + 0.440%)^(b)		42,930		42,804,344
ViacomCBS Inc., 4.50%,03/01/21		6,515		6,738,080

				174,772,515

Oil & Gas — 1.4%
Marathon Petroleum Corp., 3.40%,12/15/20 (Call 11/15/20)		16,543		16,571,526
Newfield Exploration Co., 5.75%,01/30/22		28,049		23,893,412
Occidental Petroleum Corp., 3.14%,08/15/22 (Call 08/15/20), (3 mo. LIBOR US + 1.450%)^(b)		37,570		29,316,309
Ovintiv Inc, 3.90%,11/15/21 (Call 08/15/21)		22,358		20,303,402

				90,084,649

Oil & Gas Services — 0.1%
Halliburton Co., 3.25%,11/15/21 (Call 08/15/21)		10,000		9,976,032


Pharmaceuticals — 6.7%
AbbVie Inc.
2.05%,05/21/21, (3 mo. LIBOR US + 0.350%)^(a)(b)		20,000		19,892,385
2.15%, 11/19/21^(a)		25,000		25,321,124
Allergan Funding SCS, 3.45%,03/15/22 (Call 01/15/22)		10,000		10,249,067
Allergan Inc./U.S., 3.38%,09/15/20		15,732		15,760,050
Bayer U.S. Finance LLC, 3.00%,10/08/21^(a)		45,000		45,802,584
Becton Dickinson and Co.
2.25%,12/29/20 (Call 05/29/20), (3 mo. LIBOR US + 0.875%)^(b)(e)		21,378		21,220,758
2.40%,06/05/20 .		25,000		24,995,781
Bristol-Myers Squibb Co., 2.60%,05/16/22^(a)		20,000		20,670,239
Cigna Corp., 3.20%,09/17/20		53,920		54,283,046
CVS Health Corp.
2.75%,12/01/22 (Call 09/01/22)		15,000		15,520,869
2.80%,07/20/20 (Call 06/20/20)		46,485		46,479,422
3.35%,03/09/21		20,000		20,325,947
3.50%,07/20/22 (Call 05/20/22)		34,190		35,560,335
Express Scripts Holding Co., 2.60%,11/30/20		8,200		8,245,299
Shire Acquisitions Investments Ireland DAC, 2.40%, 09/23/21 (Call 08/23/21)		52,690		53,484,763
Takeda Pharmaceutical Co. Ltd.
2.45%,01/18/22 (Call 12/17/21)^(a)(e)		10,000		10,192,265
4.00%,11/26/21 (Call 10/26/21).		12,435		12,981,809

				440,985,743

Pipelines — 2.1%
Enterprise Products Operating LLC, 5.20%,09/01/20		10,000		10,099,406
Kinder Morgan Energy Partners LP, 5.00%,10/01/21 (Call 07/01/21)		6,552		6,685,553
Kinder Morgan Inc./DE, 5.00%,02/15/21 (Call 01/15/21)^(a)		12,000		12,162,550
MPLX LP
1.90%,09/09/21 (Call 09/09/20), (3 mo. LIBOR US + 0.900%)^(b)		6,825		6,420,911
6.25%,10/15/22 (Call 05/14/20)^(a)		2,000		1,998,144
Plains All American Pipeline LP/PAA Finance Corp., 5.00%, 02/01/21 (Call 11/01/20).		16,130		15,774,758
Spectra Energy Partners LP, 2.01%,06/05/20, (3 mo. LIBOR US + 0.700%)^(b)		32,000		31,929,129
TransCanada PipeLines Ltd., 3.80%,10/01/20		5,127		5,154,644


Security	Par (000)		Value

Pipelines (continued)
Williams Companies Inc. (The), 3.60%, 03/15/22 (Call 01/15/22)	$	44,174	$	44,686,187

				134,911,282

Real Estate Investment Trusts — 0.5%
American Tower Corp., 3.30%, 02/15/21 (Call 01/15/21)		5,168		5,227,848
Crown Castle International Corp., 3.40%, 02/15/21 (Call 01/15/21)		25,000		25,230,762

				30,458,610

Retail — 0.2%
McDonald’s Corp., 2.75%, 12/09/20 (Call 11/09/20)		10,843		10,952,795


Semiconductors — 1.0%
Broadcom Corp./Broadcom Cayman Finance Ltd., 2.20%, 01/15/21		35,000		34,886,323
Broadcom Inc., 3.13%, 04/15/21^(a)		30,800		31,007,127

				65,893,450

Telecommunications — 2.5%
AT&T Inc.
1.96%, 06/12/24, (3 mo. LIBOR US + 1.180%)^(b)		10,000		9,801,260
2.17%, 07/15/21, (3 mo. LIBOR US + 0.950%)^(b)		25,000		24,964,425
2.33%, 06/01/21, (3 mo. LIBOR US + 0.750%)^(b)		13,250		13,203,896
2.45%, 06/30/20 (Call 05/30/20)		20,000		20,020,419
2.80%, 02/17/21 (Call 01/17/21)		26,900		27,187,191
3.88%, 08/15/21		10,000		10,313,095
4.60%, 02/15/21 (Call 11/15/20)		20,000		20,292,278
Sprint Spectrum Co. LLC/Sprint Spectrum Co. II LLC/Sprint Spectrum Co. III LLC, 3.36%, 09/20/21^(a)		3,488		3,496,971
Verizon Communications Inc., 1.74%, 03/16/22, (3 mo. LIBOR US + 1.000%)^(b)(e)		15,373		15,392,677
Vodafone Group PLC, 2.17%, 01/16/24, (3 mo. LIBOR US + 0.990%)^(b)		20,000		19,490,727

				164,162,939

Transportation — 0.2%
Ryder System Inc., 2.80%, 03/01/22 (Call 02/01/22)		5,000		4,965,961
Union Pacific Corp., 3.20%, 06/08/21		7,210		7,373,033

				12,338,994

Trucking & Leasing — 0.3%
Penske Truck Leasing Co. LP/PTL Finance Corp.
3.20%, 07/15/20 (Call 06/15/20)^(a)		12,000		12,003,427
4.88%,07/11/22^(a)		4,901		5,134,669

				17,138,096


Total Corporate Bonds & Notes — 63.6% (Cost: $4,195,512,881)				4,153,891,795


Security	Shares (000)		Value

Money Market Funds
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.89%^(h)(i)(j)		38,926	$	38,968,967
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(h)(i)		537,124		537,124,183


Total Money Market Funds — 8.8% (Cost: $576,058,188)				576,093,150


Total Investments in Securities — 100.5% (Cost: $6,653,207,731)				6,561,996,380

Other Assets, Less Liabilities — (0.5)%				(33,981,379	)


Net Assets — 100.0%			$	6,528,015,001

^(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 or floating rate security. Rate shown is the rate in effect as of period-end.

^(c)	Security is valued using significant unobservable inputs and is classified as Level 3 in the fair value hierarchy.

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

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

^(f)	Security is issued at a fixed coupon rate, which converts to a variable rate at a specified date.

^(g)	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.

^(h)	Affiliate of the Fund.

⁽ⁱ⁾	Annualized 7-day yield as of period-end.

^(j)	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 six months ended April 30, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

For the six months ended April 30, 2020, the effect of derivative financial instruments in the Statements of Operations was as follows:

For more information about the Fund’s investment risks regarding derivative financial instruments, refer to the Notes to Financial Statements.

The following table summarizes the value of the Fund’s investments according to the fair value hierarchy as of April 30, 2020. The breakdown of the Fund’s investments into major categories is disclosed in the Schedule of Investments above.


Security	Par (000)		Value

Municipal Debt Obligations

Alabama — 2.6%
Bessemer Governmental Utility Services Corp. RB, 5.00%, 06/01/20 (BAM)	$	515	$	516,380
Black Belt Energy Gas District RB
4.00%, 06/01/20		1,605		1,606,990
4.00%, 06/01/21		835		849,863
Lower Alabama Gas District (The) RB, 4.00%, 12/01/21		200		204,596
Southeast Alabama Gas Supply District (The) RB, 4.00%, 06/01/22		1,500		1,547,865

				4,725,694

Arizona — 0.7%
Arizona State University RB, 0.20%, 07/01/34 (Put 05/07/20)^(a).		670		670,000
Glendale Union High School District No. 205 GO, 5.00%, 07/01/21		500		522,930

				1,192,930

California — 0.4%
Lancaster Redevelopment Agency Successor Agency TA, 3.00%, 08/01/20		700		703,143


Connecticut — 3.7%
State of Connecticut GO
5.00%, 06/01/21		670		693,597
5.00%, 07/15/22		900		957,123
Series C, 0.29%, 05/15/34 (Put 05/07/20)^(a)		2,325		2,325,000
Series C, 5.00%, 06/01/20		720		721,779
State of Connecticut Special Tax Revenue RB, Series A, 5.00%, 09/01/21		2,000		2,093,680

				6,791,179

District of Columbia — 4.5%
District of Columbia RB, 0.27%, 04/01/38 (Put 05/07/20)^(a)		2,800		2,800,000
Tender Option Bond Trust Receipts/Certificates RB, VRDN, 0.30%, 10/01/53 (Put 05/07/20)^(a)(b)		5,545		5,545,000

				8,345,000

Florida — 1.0%
Alachua County Health Facilities Authority RB
5.00%, 12/01/20		645		654,552
5.00%, 12/01/21		390		405,514
County of Osceola FL Transportation Revenue RB, 5.00%, 10/01/21		300		310,560
Palm Beach County Health Facilities Authority RB, 5.00%, 08/15/20		530		535,115

				1,905,741

Georgia — 13.0%
Atlanta Urban Residential Finance Authority RB, 1.36%, 12/01/22 (Put 12/01/21)^(a)		2,000		2,002,260
Bartow County Development Authority RB, 1.55%, 08/01/43 (Put 08/19/22)^(a)		2,000		1,948,680
Burke County Development Authority RB, 2.25%, 10/01/32 (Put 05/25/23)^(a)		2,000		1,970,660
Cobb County Development Authority RB, 5.00%, 07/15/20		545		548,810
Main Street Natural Gas Inc. RB
1.49%, 08/01/48 (Put 12/01/23)^(a)		5,000		4,779,580
4.00%, 06/01/20		500		500,710
4.00%, 04/01/48 (Put 09/01/23)^(a)		3,685		3,890,512
5.00%, 05/15/20		500		500,405
5.00%, 05/15/21		1,000		1,027,460
5.00%, 09/01/21		300		310,494


Security	Par (000)		Value

Georgia (continued)
Monroe County Development Authority RB, 0.28%, 06/01/49Put^(a)	$	3,700	$	3,700,000
Municipal Electric Authority of Georgia RB, 0.23%, 01/01/48 (Put 05/07/20)^(a)		1,000		1,000,000
Tender Option Bond Trust Receipts/Certificates RB, 0.30%, 01/01/44 (Put 05/07/20) (AGM)^(a)(b)		1,700		1,700,000

				23,879,571

Illinois — 4.0%
Chicago Transit Authority RB, 5.00%, 06/01/20		750		751,868
Illinois Development Finance Authority RB, 0.26%, 06/01/29 (Put 05/07/20)^(a)		1,100		1,100,000
Illinois Finance Authority RB, 5.00%, 08/15/20		1,500		1,514,235
Tender Option Bond Trust Receipts/Certificates GO, 0.28%, 03/01/33 (Put 05/07/20)^(a)(b)		4,000		4,000,000

				7,366,103

Indiana — 4.0%
City of Rockport IN RB, Series B, 1.35%, 07/01/25 (Put 09/01/22)^(a)		2,250		2,184,278
Indianapolis Local Public Improvement Bond Bank RB, 1.45%, 06/01/21 (Call 06/01/20)		5,190		5,191,505

				7,375,783

Iowa — 3.7%
Iowa Finance Authority RB, 0.47%, 04/01/22 (Put 05/07/20)^(a)		6,780		6,780,000


Kansas — 3.8%
City of Burlington KS RB 0.50%, 09/01/35 (Put 05/07/20)^(a)		4,000		4,000,000
0.50%, 09/01/35 (Put 05/07/20)^(a)		3,000		3,000,000

				7,000,000

Kentucky — 3.2%
City of Owensboro KY Electric Light & Power System Revenue RB, 5.00%, 01/01/21		1,550		1,587,494
Kentucky Public Energy Authority RB
4.00%, 06/01/20		650		650,793
4.00%, 12/01/20		1,070		1,080,144
4.00%, 06/01/21		1,060		1,078,603
4.00%, 08/01/21		300		306,036
Kentucky State Property & Building Commission RB, Series D, 5.00%, 05/01/21		600		622,584
Tender Option Bond Trust Receipts/Certificates RB, Series 2018, 0.28%, 12/01/41 (Put 05/07/20) (AGM)^(a)(b)		500		500,000

				5,825,654

Louisiana — 0.4%
Louisiana Offshore Terminal Authority RB, 1.65%, 09/01/27 (Put 12/01/23)^(a)		400		400,580
Louisiana Public Facilities Authority RB, 5.00%, 05/15/21		400		410,468

				811,048

Maryland — 0.3%
Maryland Health & Higher Educational Facilities Authority RB, 5.00%, 04/15/21		450		463,986


Massachusetts — 1.6%
Massachusetts Development Finance Agency RB, 5.00%, 07/01/21		975		1,000,945
Town of Salisbury MA GOL, 2.00%, 09/11/20		1,000		1,003,990
University of Massachusetts Building Authority RB, VRDN, 0.21%, 11/01/34 (Put 05/07/20)^(a)		1,000		1,000,000

				3,004,935


Security	Par (000)		Value

Michigan — 0.5%
Wayne-Westland Community Schools GO 4.00%, 05/01/21 (Q-SBLF)	$	175	$	179,811
4.00%, 11/01/21 (Q-SBLF)		780		811,613

				991,424

Missouri — 1.3%
City of Washington MO COP, 5.00%, 03/01/22		350		374,822
RBC Municipal Products Inc. Trust RB, 0.29%, 09/01/39 (Put 05/07/20)^(a)(b)		2,000		2,000,000

				2,374,822

Nebraska — 1.6%
Central Plains Energy Project RB
4.00%, 08/01/20		2,000		2,009,300
4.00%, 02/01/21		250		253,513
4.00%, 08/01/21		750		767,422

				3,030,235

New Jersey — 16.5%
Borough of Tinton Falls NJ GO, 2.00%, 10/29/20		900		904,023
Garden State Preservation Trust RB, 5.00%, 11/01/20		1,690		1,711,598
New Jersey Economic Development Authority RB
5.00%, 06/15/20		190		190,889
5.00%, 06/15/20		1,285		1,286,555
5.00%, 03/01/21, (ETM)		340		350,581
5.00%, 06/15/21		4,250		4,315,322
5.00%, 06/15/21		1,500		1,517,265
5.50%, 09/01/21 (Call 03/01/21)		675		683,566
Series A, 4.00%, 07/01/22		2,000		2,015,020
Series K, 5.25%, 12/15/20 (AMBAC)		2,250		2,268,135
Series NN, 5.00%, 03/01/21		875		882,595
Series NN, 5.00%, 03/01/22		3,200		3,257,920
Series UU, 5.00%, 06/15/23		1,270		1,302,741
Series XX, 5.00%, 06/15/20		200		200,242
New Jersey Health Care Facilities Financing Authority RB
5.00%, 10/01/20		1,600		1,607,072
Series A, 5.00%, 07/01/20		500		502,630
New Jersey Sports & Exposition Authority RB, 5.00%, 09/01/20		1,250		1,255,838
New Jersey Transportation Trust Fund Authority RB
5.25%, 12/15/20 (AGM)		500		506,540
Series A, 5.00%, 06/15/20		665		665,805
Series A, 5.00%, 06/15/21		500		512,855
Series A, 5.50%, 12/15/21		425		436,186
Series A, 5.50%, 12/15/23		155		162,863
Series A-1, 5.00%, 06/15/20		1,275		1,278,442
Series B, 5.50%, 12/15/20 (NPFGC)		155		157,165
Series B, 5.50%, 12/15/21 (NPFGC)		625		648,144
Series D, 5.00%, 12/15/23		225		231,138
North East Independent School District RB, 1.13%, 08/10/20		1,500		1,501,917

				30,353,047

New Mexico — 0.3%
New Mexico Municipal Energy Acquisition Authority RB, 4.00%, 05/01/22		600		621,534


New York — 15.5%
Adirondack Central School District GO, 2.25%, 07/17/20 (SAW)		1,133		1,136,003
Albany Industrial Development Agency RB, 0.45%, 07/01/32 (Put 05/07/20)^(a)		1,110		1,110,000
Amherst Development Corp. RB, Series A, 0.34%, 02/01/35 (Put 05/07/20)^(a)		1,745		1,745,000


Security	Par (000)		Value

New York (continued)
City of Tonawanda NY GOL, 2.50%, 06/04/20	$	1,219	$	1,220,414
City of Yonkers NY, 2.00%, 06/29/20		4,855		4,860,583
County of Suffolk NY GOL
2.50%, 07/23/20		6,000		6,019,560
2.50%, 08/20/20		1,335		1,337,550
East Islip Union Free School District GO, 2.25%, 07/02/20 (SAW)		1,100		1,102,332
Honeoye Falls-Lima Central School District GO, 2.25%, 06/18/20 (SAW)		1,425		1,427,009
Rhinebeck Central School District GO, 2.25%, 06/26/20 (SAW)		1,500		1,502,490
Sandy Creek Central School District GO, 2.25%, 06/26/20 (SAW)		1,100		1,101,826
South Jefferson Central School District GO, 2.25%, 07/09/20 (SAW)		1,700		1,703,536
Town of New Windsor New York GOL, 2.25%, 06/26/20 .		1,300		1,302,145
Watkins Glen Central School District GO, 2.25%, 06/23/20 (SAW)		1,300		1,302,028
Windsor Central School District GO, 2.25%, 07/24/20 (SAW)		1,700		1,704,335

				28,574,811

North Carolina — 1.1%
City of Charlotte NC COP, VRDN, 0.15%, 06/01/33 (Put 05/07/20)^(a)		500		500,000
City of Raleigh NC COP, VRDN, 0.22%, 02/01/34 (Put 05/07/20)^(a)		830		830,000
North Carolina Turnpike Authority RB
5.00%, 01/01/21		425		429,802
5.00%, 01/01/22		215		220,870

				1,980,672

Ohio — 8.2%
City of Berea OH GOL, 2.00%, 03/11/21		1,500		1,510,410
City of Kirtland OH GOL, 2.75%, 06/18/20 (ST STANDBY NT PURCHASE)		600		601,140
City of Miamisburg OH GOL, 3.00%, 06/24/20 (ST STANDBY NT PURCHASE)		1,500		1,503,915
City of North Olmsted OH GOL, 2.00%, 03/10/21		1,000		1,006,910
City of Parma OH GOL, 2.50%, 07/23/20 (ST STANDBY NT PURCHASE)		1,200		1,203,660
County of Allen OH Hospital Facilities Revenue RB, 5.00%, 12/01/20		1,500		1,529,040
County of Belmont OH GOL, 2.00%, 08/27/20		1,510		1,511,178
County of Franklin OH RB, 0.25%, 11/15/41 (Put 05/07/20)^(a)		2,000		2,000,000
Lancaster Port Authority RB, 5.00%, 02/01/21		300		306,369
State of Ohio RB, 1.10%, 11/01/35 (Put 06/01/20)^(a)		4,000		4,000,000

				15,172,622

Pennsylvania — 2.2%
Boyertown Area School District GOL
1.33%, 09/01/20 (SAW)		150		150,087
2.00%, 09/01/21 (SAW)		400		404,288
Connellsville Area School District GOL
4.00%, 08/15/21 (BAM SAW)		500		517,325
4.00%, 08/15/22 (BAM SAW)		500		529,575
Palmyra Area School District GOL, 4.00%, 04/01/21 (SAW)		900		924,435
Pennsylvania Economic Development Financing Authority RB
2.15%, 11/01/21		1,000		996,710
5.00%, 04/15/21		425		437,903

				3,960,323


Security	Par (000)		Value

South Carolina — 0.5%
South Carolina Public Service Authority RB, VRDN, 0.30%, 01/01/36 (Put 05/07/20)^(a)	$	1,000	$	1,000,000


Texas — 3.6%
Port of Arthur Navigation District Industrial Development Corp. RB, 0.43%, 03/01/42 (Put 05/07/20)^(a)		3,000		3,000,000
Tender Option Bond Trust Receipts/Certificates RB
0.32%, 06/15/27 (Put 05/07/20)^(a)(b)		1,500		1,500,000
0.38%, 01/01/28 (Put 05/07/20)^(a)(b)		2,190		2,190,000

				6,690,000

Virginia — 1.1%
University of Virginia RB, 1.29%, 05/27/20		2,000		2,001,326


Washington — 0.5%
Grant County Public Utility District No. 2 RB, 2.00%, 01/01/44 (Put 12/02/20)^(a)		1,000		1,003,840


Wisconsin — 0.4%
Public Finance Authority RB, VRDN, 0.18%,10/01/49^(a)		400		400,000
Wisconsin Health & Educational Facilities Authority RB, 5.00%, 10/01/21		400		420,652

				820,652


Total Municipal Debt Obligations — 100.2% (Cost $185,628,712)				184,746,075


Security	Shares (000)		Value

Money Market Funds
BlackRock Liquidity Funds: MuniCash, 0.15%^(c)(d)		6	$	5,682


Total Money Market Funds — 0.0% (Cost: $5,682)				5,682


Total Investments in Securities — 100.2% (Cost: $185,634,394)				184,751,757

Other Assets, Less Liabilities — (0.2)%				(322,856	)


Net Assets — 100.0%			$	184,428,901

^(a)	Security is payable upon demand on each reset date.

^(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)	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 six months ended April 30, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:


Security	Par (000)		Value
Asset-Backed Securities
CarMax Auto Owner Trust 1.87%, 04/17/23	$	3,150	$	3,168,117
Series 2019-1, Class A2A, 3.02%, 07/15/22		1,455		1,461,236
CNH Equipment Trust, Series 2019-A, Class A2, 2.96%, 05/16/22		1,870		1,879,308
Toyota Auto Receivables Owner Trust, Class A2, 2.77%, 08/16/21		654		655,079


Total Asset-Backed Securities — 0.3% (Cost: $7,127,928)				7,163,740


Certificates of Deposit
ABN AMRO Bank NV, 1.85%, 05/11/20		13,000		13,005,434
Banco Santander SA/New York
1.89%, 02/11/21, (3 mo. LIBOR US + 0.160%)^(a)		4,500		4,490,009
1.95%, 01/29/21, (3 mo. LIBOR US + 0.140%)^(a)		6,000		5,987,448
Bank of Montreal, 1.25%, 01/11/21		15,000		15,075,303
Bank of Montreal/Chicago IL, 1.93%, 02/12/21, (3 mo. LIBOR US + 0.100%)^(a)		7,700		7,691,116
Bank of Nova Scotia/Houston, 0.49%, 10/23/20,
(FEDL01 + 0.450%)^(a)		8,000		7,992,462
Barclays Bank PLC 1.25%, 03/03/21		7,000		6,996,302
1.31%, 08/10/20^(a)		2,000		1,999,924
1.80%, 10/08/20, (3 mo. LIBOR US + 0.450%)^(a)		5,000		5,002,143
2.01%, 12/08/20		9,000		9,042,529
Bayerische Landesbank/New York 1.07%, 01/28/21, (3 mo. LIBOR US + 0.180%)^(a)		13,800		13,772,706
2.22%, 02/03/22, (3 mo. LIBOR US + 0.470%)^(a)		20,000		19,747,747
BNP Paribas SA/New York NY, 2.01%, 02/01/21^(a)		17,000		16,980,893
Canadian Imperial Bank of Commerce 1.23%, 01/04/21, (1 mo. LIBOR US + 0.250%)^(a)		10,000		9,997,041
2.16%, 05/02/20^(a)(b)		2,000		2,000,000
Credit Agricole Corporate and Investment Bank/New York 1.43%, 07/15/21, (3 mo. LIBOR US + 0.210%)^(a)		7,000		6,950,919
1.48%, 09/09/21, (3 mo. LIBOR US + 0.480%)^(a)		6,000		6,000,009
1.58%, 01/11/21, (3 mo. LIBOR US + 0.270%)^(a)		3,000		2,998,339
1.60%, 09/24/20, (3 mo. LIBOR US + 0.400%)^(a)		1,800		1,800,348
1.78%, 07/13/20, (3 mo. LIBOR US + 0.470%)^(a)		6,000		6,002,557
1.91%, 01/14/21, (3 mo. LIBOR US + 0.600%)^(a)		3,145		3,150,436
1.97%, 08/25/20^(a)		5,000		4,999,844
1.98%, 11/15/21, (SOFRRATE + 0.400%)^(a)		6,500		6,317,667
2.12%, 05/11/20, (3 mo. LIBOR US + 0.385%)^(a)		2,000		2,000,157
Credit Industriel Et Commercial, 1.94%, 01/08/21^(c)		8,000		7,952,939
Credit Industriel ET Commercial, NY, 0.90%, 01/21/21		8,000		8,014,522
Credit Suisse AG/New York NY 0.38%, 05/22/20, (SOFRRATE + 0.370%)^(a)		5,000		5,000,452
0.46%, 09/25/20, (SOFRRATE + 0.450%)^(a)		7,000		6,990,751
1.48%, 12/11/20, (3 mo. LIBOR US + 0.160%)^(a)		3,000		2,999,272
1.60%, 12/30/20, (3 mo. LIBOR US + 0.230%)^(a)		5,000		5,000,982
1.97%, 11/20/20		3,000		3,024,175
2.70%, 05/01/20		4,000		4,000,288
DNB Bank ASA/New York, 1.36%, 07/19/21, (3 mo. LIBOR US + 0.220%)^(a)		13,000		12,932,733
DZ Bank AG Deutsche Zentral-Genossenschaftsbank/New York, 1.89%, 02/17/22, (3 mo. LIBOR US + 0.200%)^(a)		20,000		19,647,994
Goldman Sachs Bank USA/New York NY 1.98%, 02/26/21, (SOFRRATE + 0.430%)^(a)		4,000		3,989,570
2.73%, 06/29/20, (SOFRRATE + 0.250%)^(a)		2,750		2,745,985


Security	Par (000)		Value
HSBC Bank USA N.A., 1.86%, 02/04/21,
(3 mo. LIBOR US +0.110%)^(a)	$	9,000	$	8,980,374
Kookmin Bank/New York, 2.17%, 02/17/21,
(3 mo. LIBOR US + 0.370%)^(a)		30,000		29,981,080
Lloyds Bank Corporate Markets PLC, 1.35%, 10/15/20		5,000		5,011,237
Lloyds Bank Corporate Markets PLC/New York NY 1.51%, 04/26/21^(a)		7,000		6,991,141
1.69%, 07/19/21^(a)		4,000		3,983,182
1.70%, 09/24/20, (3 mo. LIBOR US + 0.500%)^(a)		2,800		2,800,001
1.93%, 01/06/21		3,500		3,522,437
2.03%, 12/18/20		5,500		5,536,829
Morgan Stanley Bank N.A. 0.59%, 02/19/21^(a)(b)		4,400		4,393,062
2.15%, 08/25/21^(a)(b)		15,000		15,044,660
MUFG Bank Ltd. 1.49%, 01/25/21, (3 mo. LIBOR US + 0.500%)^(a)		2,000		2,002,190
1.68%, 07/16/21, (3 mo. LIBOR US + 0.500%)^(a)		3,000		2,989,279
1.96%, 10/15/20		8,000		8,050,419
1.98%, 10/15/20		6,000		6,038,352
2.02%, 08/26/20		4,000		4,019,045
2.06%, 08/18/20		5,500		5,525,335
Natixis SA/New York NY 0.31%, 06/05/20, (SOFRRATE + 0.300%)^(a)		3,000		2,999,628
1.43%, 07/23/20^(a)		4,000		3,999,397
1.93%, 11/12/20		6,000		6,043,527
Nordea Bank Abp/New York NY 1.12%, 01/28/22^(a)		10,000		9,868,359
1.60%, 07/10/20, (3 mo. LIBOR US + 0.290%)^(a)		4,000		3,999,998
1.65%, 01/07/22, (3 mo. LIBOR US + 0.260%)^(a)		6,500		6,420,490
2.00%, 08/10/20, (3 mo. LIBOR US + 0.270%)^(a)		1,000		999,918
2.03%, 02/05/21, (3 mo. LIBOR US + 0.290%)^(a)		9,848		9,839,884
Royal Bank of Canada/New York NY, 1.49%, 04/23/21, (3 mo. LIBOR US + 0.450%)^(a)		8,000		8,003,863
Skandinaviska Enskilda Banken AB/New York NY 1.60%, 10/02/20, (3 mo. LIBOR US + 0.150%)^(a)		5,000		4,999,998
1.93%, 10/16/20.		6,000		6,040,265
Standard Chartered Bank, 1.99%, 05/01/20		15,000		15,000,790
Standard Chartered Bank/New York, 1.16%, 06/08/20,
(1 mo. LIBOR US + 0.300%)^(a)		6,500		6,501,013
Sumitomo Mitsui Banking Corp./New York 1.30%, 06/18/20, (3 mo. LIBOR US + 0.410%)^(a)		8,200		8,202,141
1.34%, 09/10/21, (3 mo. LIBOR US + 0.440%)^(a)		5,000		4,963,914
1.44%, 07/24/20, (3 mo. LIBOR US + 0.420%)^(a)		2,000		2,000,763
1.66%, 07/12/21, (3 mo. LIBOR US + 0.350%)^(a)		5,000		4,973,383
1.69%, 10/12/21, (3 mo. LIBOR US + 0.380%)^(a)		3,000		3,000,001
1.73%, 04/06/21, (3 mo. LIBOR US + 0.355%)^(a)		6,476		6,464,390
2.04%, 11/12/21, (3 mo. LIBOR US + 0.350%)^(a)		5,000		4,940,020
2.09%, 11/05/21, (3 mo. LIBOR US + 0.350%)^(a)		8,500		8,399,321
2.10%, 02/12/21^(a)		14,474		14,467,325
Sumitomo Mitsui Trust Bank Ltd./ New York, 0.90%, 07/21/20		10,000		10,012,448
Sumitomo Mitsui Trust Bank Ltd./New York, 1.89%, 05/18/20^(a)		6,000		6,000,005
Svenska Handelsbanken/New York NY 1.23%, 01/04/21, (1 mo. LIBOR US + 0.250%)^(a)		10,000		9,985,323
1.60%, 10/02/20, (3 mo. LIBOR US + 0.150%)^(a)		10,000		9,999,996
1.63%, 01/06/22, (3 mo. LIBOR US + 0.260%)^(a)		7,000		6,914,514
Toronto-Dominion Bank/NY 1.13%, 04/14/21.		10,000		10,045,049
1.42%, 04/26/21, (3 mo. LIBOR US + 0.400%)^(a)		5,000		4,999,999
UBS AG/Stamford CT, 1.38%, 04/16/21		10,000		10,005,997


Security	Par (000)		Value
Westpac Banking Corp./NY, 1.15%, 12/09/20, (3 mo. LIBOR US + 0.150%)^(a)	$	12,000	$	11,996,406

Total Certificates of Deposit — 22.4% (Cost: $600,226,463)				599,257,744


Commercial Paper
ABB Treasury Center USA Inc., 1.71%, 05/22/20^(c)		11,000		10,994,568
Airbus Group Finance BV, 1.22%, 05/22/20^(c)		20,000		19,997,971
Albion Capital Corp., 1.35%, 07/09/20^(c)		7,000		6,995,467
American Electric Power Co. Inc.
1.86%, 05/28/20^(c)		10,000		9,989,399
1.86%, 05/29/20^(c)		7,000		6,992,066
AstraZeneca PLC, 2.11%, 07/16/20^(c)		10,000		9,967,639
AT&T Inc., 1.51%, 08/04/20^(c)		6,730		6,703,331
Banco Santander SA, 1.98%, 06/26/20^(c)		6,000		5,997,150
Barclays Bank PLC, 1.85%, 01/28/21^(c)		15,000		14,887,387
Barton Capital Corp., 1.37%, 07/02/20^(c)		24,000		23,979,756
Bedford Row Funding Corp., 1.16%, 04/12/21^(c)		10,000		9,920,961
BP Capital Markets PLC, 1.77%, 08/05/20^(c)		20,000		19,971,493
BPCE SA
1.06%, 12/01/20^(c)		8,000		7,972,958
2.04%, 12/23/20^(c)		8,000		7,968,242
British Aerospace Pub Ltd. Co.
1.61%, 06/11/20^(c)		17,100		17,072,669
1.61%, 06/17/20^(c)		11,000		10,979,173
Cancara Asset Securitisation LLC, 1.97%, 06/03/20^(c)		3,000		2,999,130
Cargill Inc., 1.26%, 10/13/20^(c)		20,000		19,944,667
Coca-Cola Co.
1.21%, 09/24/20^(c)		3,000		2,996,447
1.63%, 02/11/21^(c)		5,000		4,982,063
Compass Group PLC, 1.81%, 07/31/20^(c)		13,900		13,885,436
Duke Energy Corp.
1.05%, 06/24/20^(c)		12,000		11,974,187
1.20%, 06/17/20^(c)		5,000		4,990,533
1.76%, 05/08/20^(c)		12,000		11,997,867
Eaton Capital Unlimited Co., 0.60%, 05/01/20^(c)		10,500		10,499,812
Electricite de France SA, 1.76%, 05/08/20^(c)		12,000		11,997,867
Enbridge Inc.
1.81%, 05/26/20^(c)		6,400		6,394,097
1.82%, 05/20/20^(c)		8,000		7,995,480
General Dynamics Corp., 2.03%, 07/13/20^(c)		16,000		15,958,988
GlaxoSmithKline LLC, 1.00%, 09/01/20^(c)		9,850		9,818,006
HSBC Bank PLC 0.69%, 12/30/20, (1 mo. LIBOR US + 0.290%)^(a)(d)		5,000		4,993,269
1.45%, 10/13/20, (3 mo. LIBOR US + 0.230%)^(a)(d)		10,000		9,999,110
Hyundai Capital America 1.83%, 06/18/20^(c)		3,800		3,792,666
1.83%, 06/19/20^(c)		4,500		4,491,144
2.22%, 06/09/20^(c)		13,000		12,979,301
ING U.S. Funding LLC 0.89%, 09/14/20, (3 mo. LIBOR US + 0.150%)^(a)		5,000		4,996,313
1.37%, 09/23/20, (3 mo. LIBOR US + 0.170%)^(a)(d)		10,000		9,993,019
Macquarie Bank Ltd., 1.76%, 02/16/21, (3 mo. LIBOR US + 0.070%)^(a)(d)		10,000		9,974,093
National Australia Bank Ltd., 1.12%, 12/09/20, (3 mo. LIBOR US + 0.120%)^(a)(d)		12,000		11,994,254
National Grid PLC, 1.76%, 05/27/20^(c)		10,000		9,990,100


Security	Par (000)		Value
Nissan Motor Acceptance Corp. 1.51%, 07/01/20^(c)	$	6,950	$	6,914,846
2.98%, 06/12/20^(c)		7,000		6,975,184
Nutrien Ltd. 1.17%, 05/04/20^(c)		11,000		10,998,961
1.23%, 05/12/20^(c)		6,000		5,998,300
1.63%, 05/26/20^(c)		4,000		3,996,311
2.03%, 05/13/20^(c)		4,000		3,998,772
Oversea-Chinese Banking Corp. Ltd. 1.74%, 08/26/20, (3 mo. LIBOR US + 0.090%)^(a)(d)		5,000		4,996,740
1.87%, 08/04/20.		12,000		12,041,692
1.94%, 10/19/20^(c)		8,000		7,961,396
Reckitt Benckiser Treasury Services PLC, 2.14%, 05/29/20^(c)		3,000		2,999,174
Salisbury Receivables Co. LLC, 0.31%, 02/19/21, (SOFRRATE + 0.300%)^(a)(d)		9,000		8,967,806
Shell International Finance BV, 1.97%, 06/26/20^(c)		6,500		6,488,885
Societe Generale SA, 1.10%,08/20/20, (1 mo. LIBOR US + 0.380%)^(a)(d)		10,000		10,006,838
Starbird Funding Corp., 1.10%, 08/14/20^(c)		5,000		4,992,330
Starbucks Corp., 1.91%, 06/16/20^(c)		7,000		6,987,206
Suncor Energy Inc. 1.37%, 06/03/20^(c)		6,000		5,991,823
1.80%, 05/27/20^(c)		5,250		5,244,802
1.81%, 05/07/20^(c)		9,500		9,498,522
1.81%, 05/11/20^(c)		3,200		3,199,218
1.81%, 05/26/20^(c)		10,000		9,990,777
1.84%, 08/18/20^(c)		8,750		8,699,656
1.85%, 05/04/20^(c)		4,000		3,999,644
Suncorp Group Ltd. 1.92%, 05/11/20^(c)		9,000		8,998,790
1.92%, 06/09/20^(c)		7,000		6,996,399
1.94%, 05/26/20^(c)		2,000		1,999,425
Svenska Handelsbanken AB, 1.94%, 10/16/20^(c)		4,000		3,990,517
Telstra Corp. Ltd. 0.82%, 09/28/20^(c)		9,750		9,716,687
1.28%, 12/21/20^(c)		8,140		8,094,250
TransCanada PipeLines Ltd 1.15%, 05/01/20^(c)		23,000		22,999,489
1.32%, 05/06/20^(c)		11,000		10,998,533
1.85%, 05/05/20^(c)		36,000		35,996,000
UBS AG/London, 1.51%, 07/10/20 (Call 06/01/21), (3 mo. LIBOR US + 0.200%)^(a)(d)		5,000		5,000,462
Verizon Communications Inc. 1.41%, 06/23/20^(c)		9,000		8,980,965
1.75%, 05/07/20^(c)		10,000		9,998,833
2.01%, 06/08/20^(c)		5,665		5,656,193
Versailles CDS LLC, 1.16%, 08/19/20^(c)		10,000		9,981,346
VW CR Inc. 1.85%, 08/14/20^(c)		6,700		6,662,971
1.89%, 08/10/20^(c)		10,000		9,947,017
VW Credit Inc., 2.04%, 01/29/21^(c)		12,900		12,713,452
Walt Disney Co. (The), 1.86%, 09/09/20^(c)		8,750		8,711,500


Total Commercial Paper — 28.0% (Cost: $747,625,391)				748,419,791


Corporate Bonds & Notes

Aerospace & Defense — 0.7%
General Dynamics Corp., 2.88%, 05/11/20		2,000		2,000,904
Lockheed Martin Corp., 2.50%, 11/23/20 (Call 10/23/20)		12,000		12,070,920


Security	Par (000)		Value

Aerospace & Defense (continued)
Raytheon Co., 3.13%, 10/15/20	$	4,600	$	4,647,086

				18,718,910

Auto Manufacturers — 4.2%
American Honda Finance Corp. 1.00%, 06/16/20, (3 mo. LIBORUS + 0.260%)^(a)		4,000		3,997,742
1.12%, 06/11/21, (3 mo. LIBOR US + 0.350%)^(a)		4,120		4,081,556
1.92%, 02/12/21, (3 mo. LIBOR US + 0.210%)^(a)		1,000		991,885
2.20%, 06/27/22		10,100		10,139,438
BMW U.S. Capital LLC 1.72%, 04/12/21, (3 mo. LIBOR US + 0.410%)^(a)(d)		2,000		1,965,857
1.85%, 09/15/21 (Call 08/15/21)^(d)		10,000		9,969,163
2.21%, 08/13/21, (3 mo. LIBOR US + 0.500%)^(a)(d)		5,000		4,873,447
3.25%, 08/14/20^(d)		1,850		1,851,125
Daimler Finance North America LLC 2.13%, 02/22/21, (3 mo. LIBOR US + 0.450%)^(a)(d)		3,000		2,929,560
2.30%, 02/12/21^(d)		1,535		1,520,217
3.10%, 05/04/20^(d)		9,325		9,325,000
3.40%, 02/22/22^(d)		5,000		5,003,944
Harley-Davidson Financial Services Inc., 2.20%, 05/21/20, (3 mo. LIBOR US + 0.500%)^(a)(d)		2,000		1,999,916
Hyundai Capital America 1.60%, 03/12/21, (3 mo. LIBOR US + 0.820%)^(a)(d)		1,000		975,843
2.38%, 02/10/23^(d)		7,560		7,295,400
2.85%,11/01/22^(d)		3,440		3,377,650
3.00%,10/30/20^(d)		6,794		6,757,907
3.45%, 03/12/21^(d)		2,200		2,195,875
Nissan Motor Acceptance Corp., 1.76%, 09/28/20, (3 mo. LIBOR US + 0.390%)^(a)(d)		750		733,558
PACCAR Financial Corp. 1.99%, 05/10/21, (3 mo. LIBOR US + 0.260%)^(a)		680		675,722
2.05%, 11/13/20		580		583,639
3.10%, 05/10/21		915		936,076
Toyota Motor Credit Corp. 1.83%, 08/13/21, (3 mo. LIBOR US + 0.125%)^(a)		15,345		15,142,802
3.05%, 01/08/21		2,435		2,462,432
Volkswagen Group of America Finance LLC 2.06%, 09/24/21, (3 mo. LIBOR US + 0.860%)^(a)(d)		3,870		3,759,554
2.50%, 09/24/21^(d)		430		428,727
3.88%, 11/13/20^(d)		7,000		7,011,372

				110,985,407

Auto Parts & Equipment — 0.0%
Toyota Industries Corp., 3.11%, 03/12/22 (Call 02/12/22)^(d)		1,000		1,018,320


Banks — 27.3%
ABN AMRO Bank NV 2.21%, 08/27/21, (3 mo. LIBOR US + 0.570%)^(a)(d)		3,000		2,983,764
2.45%, 06/04/20^(d)		5,000		5,004,400
2.65%, 01/19/21^(d)		14,955		15,090,791
3.40%, 08/27/21^(d)		4,060		4,169,219
ANZ New Zealand Int’l Ltd./London 1.90%, 07/28/21, (3 mo. LIBOR US + 1.010%)^(a)(d)		4,000		3,984,800
2.13%, 07/28/21^(d)		2,619		2,648,700
2.20%, 07/17/20^(d)		1,351		1,354,246
Australia & New Zealand Banking Group Ltd. 2.05%, 11/09/20, (3 mo. LIBOR US + 0.320%)^(a)(d)		1,000		998,338
4.88%, 01/12/21^(d)		4,000		4,109,564
Australia & New Zealand Banking Group Ltd./New York NY, 2.25%, 11/09/20		4,500		4,532,313
Bank of America Corp. 2.33%, 10/01/21 (Call 10/01/20)^(b)		7,287		7,297,262


Security	Par (000)		Value

Banks (continued)
2.63%, 10/19/20	$	6,000	$	6,040,840
5.63%, 07/01/20.		1,450		1,460,911
5.88%, 01/05/21.		3,000		3,094,426
Bank of America N.A. 0.57%, 06/21/21 (Call 06/21/20),
(SOFRRATE + 0.550%)^(a)		7,000		6,877,313
2.03%, 05/24/21 (Call 04/24/21),
(3 mo. LIBOR US + 0.350%)^(a)		5,000		4,970,004
Bank of Montreal, Series D, 3.10%, 04/13/21		2,020		2,062,110
Bank of New York Mellon (The), 1.53%, 06/04/21 (Call 06/04/20), (3 mo. LIBOR US + 0.280%)^(a)		12,000		11,934,235
Bank of Nova Scotia (The) 1.58%, 04/20/21, (3 mo. LIBOR US + 0.440%)^(a)		2,000		1,995,342
1.64%, 01/08/21, (3 mo. LIBORUS + 0.290%)^(a)		1,000		996,497
2.35%, 10/21/20		6,000		6,049,301
3.13%, 04/20/21		6,021		6,148,923
Banque Federative du Credit Mutuel SA 1.96%, 07/21/21^(d)		7,000		7,076,721
2.20%, 07/20/20^(d)		14,385		14,427,853
2.75%, 10/15/20^(d)		3,000		3,023,432
BNP Paribas SA 2.38%, 05/21/20.		4,900		4,903,155
5.00%,01/15/21		18,500		19,017,838
BNZ International Funding Ltd./London, 2.90%,02/21/22^(d).		3,700		3,780,084
BPCE SA 0.90%, 02/17/22, (SOFRRATE + 0.440%)^(a)(d)		7,300		7,131,892
2.65%, 02/03/21		1,200		1,209,324
2.75%, 12/02/21		11,945		12,160,010
3.15%, 07/31/20^(d)		3,000		3,014,015
Canadian Imperial Bank of Commerce, 2.70%, 02/02/21		1,680		1,701,053
Capital One N.A. 2.15%, 09/06/22 (Call 05/06/22)		4,550		4,534,352
2.95%, 07/23/21 (Call 06/23/21)		4,500		4,541,220
Citibank N.A. 1.61%, 07/23/21 (Call 06/23/21),
(3 mo. LIBOR US + 0.570%)^(a)		2,000		1,988,350
2.06%,02/12/21 (Call 01/12/21),
(3 mo. LIBOR US + 0.350%)^(a)		1,000		996,865
2.10%, 06/12/20 (Call 05/12/20)		3,000		3,000,644
2.85%, 02/12/21 (Call 01/12/21)		6,300		6,384,509
3.05%, 05/01/20		3,000		3,000,000
3.17%, 02/19/22 (Call 02/19/21)^(b)		2,000		2,025,076
Citigroup Inc. 1.55%,11/04/22 (Call 11/04/21),
(SOFRRATE + 0.870%)^(a)		5,000		4,845,582
2.31%, 11/04/22 (Call 11/04/21)^(b)		5,000		5,044,544
2.75%, 04/25/22 (Call 03/25/22)		5,000		5,119,477
Citizens Bank N.A./Providence RI, 2.20%, 05/26/20		5,815		5,817,491
Commonwealth Bank of Australia, 2.20%, 11/09/20^(d)		4,000		4,020,758
Commonwealth Bank of Australia/New York NY, 2.55%, 03/15/21		11,575		11,747,264
Cooperatieve Rabobank UA, 3.88%, 02/08/22		1,925		2,005,100
Cooperatieve Rabobank UA/NY 1.42%, 04/26/21, (3 mo. LIBOR US + 0.430%)^(a)		1,000		1,000,120
2.50%, 01/19/21		4,080		4,126,150
Credit Agricole SA/London, 2.61%, 07/01/21, (3 mo. LIBORUS + 1.180%)^(a)(d)		4,000		4,000,815
Credit Suisse AG/New York NY 1.20%, 02/04/22, (SOFRRATE + 0.450%)^(a)		16,000		15,558,828
2.10%, 11/12/21		6,855		6,927,520


Security	Par (000)		Value

Banks (continued)
4.38%, 08/05/20	$	5,020	$	5,060,181
DBS Group Holdings Ltd., 2.85%, 04/16/22^(d)		3,267		3,328,256
DNB Bank ASA 2.15%, 12/02/22^(d)		6,000		6,128,600
2.20%,12/02/22, (3 mo. LIBOR US + 0.620%)^(a)(d)		5,000		4,914,853
2.38%, 06/02/21^(d)		4,450		4,503,547
Fifth Third Bank/Cincinnati OH 1.01%, 10/30/20 (Call 09/30/20), (3 mo. LIBOR US + 0.250%)^(a)		1,000		996,830
1.80%, 01/30/23 (Call 12/30/22)		4,560		4,598,809
Goldman Sachs Bank USA/New York NY 1.00%, 05/24/21 (Call 05/24/20), (SOFRRATE + 0.600%)^(a)		4,915		4,878,506
3.20%, 06/05/20		445		445,842
Goldman Sachs Group Inc. (The) 2.60%, 12/27/20 (Call 06/27/20)		21,300		21,342,874
2.88%, 02/25/21 (Call 01/25/21)		10,000		10,100,263
HSBC Holdings PLC 1.43%, 09/11/21 (Call 09/11/20),
(3 mo. LIBOR US + 0.650%)^(a)		4,000		3,969,912
2.29%, 05/18/21 (Call 05/18/20),
(3 mo. LIBOR US + 0.600%)^(a)		7,563		7,562,512
3.40%, 03/08/21		5,000		5,087,699
ING Bank NV, 2.05%, 08/15/21^(d)		5,865		5,881,619
KeyBank N.A./Cleveland OH, 3.30%, 02/01/22		2,115		2,182,204
Korea Development Bank (The), 2.04%, 02/18/23,
(3 mo. LIBOR US + 0.350%)^(a)		16,455		16,124,118
Lloyds Bank PLC 2.70%, 08/17/20		7,829		7,865,614
3.30%, 05/07/21		3,000		3,062,564
6.38%, 01/21/21		3,500		3,619,643
Macquarie Bank Ltd. 2.10%,10/17/22^(d)		8,400		8,480,147
2.13%, 11/24/21, (3 mo. LIBOR US + 0.450%)^(a)(d)		26,000		25,692,008
Mitsubishi UFJ Trust & Banking Corp., 2.65%, 10/19/20^(d)		8,500		8,553,743
Mizuho Bank Ltd., 2.70%, 10/20/20^(d)		3,700		3,729,577
Morgan Stanley 0.73%, 01/20/23 (Call 01/20/22),
(SOFRRATE + 0.700%)^(a)		10,000		9,642,145
0.94%, 06/10/22 (Call 06/10/21),
(SOFRRATE + 0.830%)^(a)		5,000		4,895,211
2.50%, 04/21/21		3,000		3,036,697
2.51%, 04/21/21, (3 mo. LIBOR US + 1.400%)^(a)		2,000		2,006,915
2.80%, 06/16/20		5,000		5,009,100
MUFG Bank Ltd. 2.75%, 09/14/20^(d)		3,000		3,019,705
2.85%, 09/08/21^(d)		1,400		1,421,384
MUFG Union Bank N.A., 3.15%, 04/01/22 (Call 03/01/22)		4,000		4,117,573
National Australia Bank Ltd., 1.66%, 01/12/21, (3 mo. LIBOR US + 0.350%)^(a)(d)		2,000		1,996,560
National Australia Bank Ltd./New York 1.88%, 07/12/21		5,000		5,048,032
1.88%, 12/13/22		4,460		4,524,338
2.13%, 05/22/20		5,000		5,003,242
2.50%, 01/12/21		1,000		1,007,960
2.63%, 07/23/20		3,000		3,011,742
3.70%, 11/04/21		3,035		3,133,880
National Bank of Canada, 2.20%, 11/02/20 (Call 10/02/20)		2,000		2,012,521
Nordea Bank Abp 2.08%, 05/29/20, (3 mo. LIBOR US + 0.470%)^(a)(d)		2,000		2,001,889


Security	Par (000)		Value

Banks (continued)
2.13%, 05/29/20^(d)	$	8,350	$	8,359,352
2.25%, 05/27/21^(d)		4,000		4,057,547
2.50%, 09/17/20^(d)		4,000		4,018,780
Royal Bank of Canada 1.40%, 07/22/20, (3 mo. LIBOR US + 0.300%)^(a)		2,000		1,997,389
3.20%, 04/30/21		5,000		5,114,843
Santander UK PLC 2.06%, 11/03/20, (3 mo. LIBORUS + 0.300%)^(a)		500		498,659
2.10%, 01/13/23		2,670		2,688,354
2.13%, 11/03/20		19,579		19,639,279
3.40%, 06/01/21		4,000		4,074,400
Skandinaviska Enskilda Banken AB 1.43%, 12/12/22, (3 mo. LIBOR US + 0.645%)^(a)(d)		3,000		2,961,066
2.12%, 05/17/21, (3 mo. LIBOR US + 0.430%)^(a)(d)		4,000		3,984,189
2.20%, 12/12/22^(d)		2,845		2,899,066
2.30%, 12/01/20, (3 mo. LIBOR US + 0.720%)^(a)(d)		5,000		4,994,825
2.45%, 05/27/20^(d)		3,000		3,001,740
2.63%, 03/15/21		6,000		6,088,685
3.05%, 03/25/22^(d)		3,000		3,080,712
Societe Generale SA 2.50%, 04/08/21^(d)		5,460		5,500,677
2.63%, 09/16/20^(d)		2,000		2,008,723
5.20%, 04/15/21^(d)		3,571		3,704,755
Sumitomo Mitsui Banking Corp., 3.95%, 01/12/22^(d)		2,000		2,074,735
Suncorp-Metway Ltd. 1.64%, 10/19/20, (3 mo. LIBORUS + 0.500%)^(a)(d)		7,000		6,967,565
2.38%, 11/09/20^(d)		1,250		1,255,668
2.80%, 05/04/22^(d)		895		917,020
Svenska Handelsbanken AB 1.36%, 09/08/20, (3 mo. LIBOR US + 0.360%)^(a)		745		744,679
2.40%, 10/01/20		3,000		3,022,879
Toronto-Dominion Bank (The), 3.00%, 06/11/20		1,000		1,002,501
Truist Bank 1.25%, 03/09/23 (Call 02/09/23)		15,000		14,968,971
2.25%, 06/01/20 (Call 05/01/20)		7,600		7,600,000
3.53%, 10/26/21 (Call 10/26/20)^(b)		5,000		5,053,114
Truist Financial Corp., 2.15%, 02/01/21 (Call 01/01/21)		6,172		6,219,051
UBS AG/London 1.75%, 04/21/22 (Call 03/21/22)^(d)		6,085		6,110,692
2.20%, 06/08/20 (Call 05/08/20)^(d)		2,300		2,302,227
2.45%, 12/01/20 (Call 11/01/20)^(d)		14,200		14,281,652
UBS AG/Stamford CT, 4.88%, 08/04/20		1,000		1,009,669
United Overseas Bank Ltd., 1.52%, 04/23/21, (3 mo. LIBOR US + 0.480%)^(a)(d)		2,000		1,994,891
Wells Fargo &Co. 2.50%, 03/04/21		2,200		2,223,797
2.59%, 03/04/21, (3 mo. LIBOR US + 1.340%)^(a)		5,000		5,013,756
2.60%, 07/22/20		1,000		1,003,475
Wells Fargo Bank N.A. 1.53%, 01/15/21, (3 mo. LIBOR US + 0.310%)^(a)		2,000		1,996,020
1.54%, 07/23/21 (Call 07/23/20), (3 mo. LIBOR US + 0.500%)^(a)		5,000		4,975,144
1.61%, 10/22/21 (Call 09/21/21), (3 mo. LIBOR US + 0.510%)^(a)		2,000		1,987,940
1.66%, 09/09/22 (Call 09/09/21), (3 mo. LIBOR US + 0.660%)^(a)		15,000		14,860,314
2.08%, 05/21/21 (Call 05/21/20), (3 mo. LIBOR US + 0.380%)^(a)		5,000		4,972,512
3.33%, 07/23/21 (Call 07/23/20)^(b)		2,000		2,006,171


Security	Par (000)		Value

Banks (continued)
Westpac Banking Corp. 2.00%, 08/19/21	$	5,000	$	5,051,548
2.00%, 01/13/23		2,375		2,426,801
2.60%, 11/23/20		11,160		11,270,510

				728,918,499

Beverages — 0.1%
PepsiCo Inc., 0.75%, 05/01/23		1,615		1,612,020


Chemicals — 0.1%
Air Liquide Finance SA, 1.75%, 09/27/21 (Call 08/27/21)^(d)		3,000		3,018,695


Computers — 0.5%
International Business Machines Corp., 2.11%, 05/13/21, (3 mo. LIBOR US + 0.400%)^(a)		14,000		13,996,719


Diversified Financial Services — 1.1%
American Express Co., 3.00%, 02/22/21 (Call 01/22/21)		3,200		3,235,271
Capital One Bank USA N.A., 2.01%, 01/27/23 (Call 01/27/22)^(b)		27,500		27,213,652

				30,448,923

Electric — 1.5%
Electricite de France SA, 2.35%, 10/13/20 (Call 09/13/20)^(d).		12,100		12,127,962
NextEra Energy Capital Holdings Inc. 1.82%, 09/28/20, (3 mo. LIBOR US + 0.450%)^(a)		9,000		8,980,995
2.23%, 05/04/21, (3 mo. LIBOR US + 0.480%)^(a)		10,000		9,923,441
2.40%, 09/01/21		5,925		6,023,177
2.90%, 04/01/22		2,260		2,334,679
Series H, 3.34%, 09/01/20		1,795		1,806,569

				41,196,823

Health Care - Services — 0.2%
UnitedHealth Group Inc., 1.95%,10/15/20		5,000		5,000,115


Insurance — 2.0%
Jackson National Life Global Funding 0.63%,01/06/23, (SOFRRATE + 0.600%)^(a)(d)		26,000		24,954,308
1.52%, 10/15/20, (3 mo. LIBOR US + 0.300%)^(a)(d)		5,000		4,984,804
MassMutual Global Funding II, 2.00%, 04/15/21^(d)		6,900		6,964,789
Metropolitan Life Global Funding I, 0.60%, 01/13/23, (SOFRRATE + 0.570%)^(a)(d)		16,460		15,876,493

				52,780,394

Machinery —1.4%
Caterpillar Financial Services Corp. 0.97%,03/15/21, (3 mo. LIBOR US + 0.230%)^(a)		1,000		996,522
1.30%, 03/08/21, (3 mo. LIBOR US + 0.300%)^(a)		7,000		6,967,082
1.90%, 08/26/20, (3 mo. LIBOR US + 0.250%)^(a)		9,000		8,999,673
1.91%,11/12/21, (3 mo. LIBOR US + 0.200%)^(a)		7,000		6,897,854
2.90%, 03/15/21		1,500		1,525,106
Series I, 2.65%, 05/17/21		3,810		3,876,806
John Deere Capital Corp. 1.02%, 03/12/21, (3 mo. LIBOR US + 0.240%)^(a)		1,000		994,912
1.49%,10/09/20, (3 mo. LIBOR US + 0.170%)^(a)		3,000		2,990,909
1.73%, 07/10/20, (3 mo. LIBOR US + 0.420%)^(a)		3,000		2,998,741

				36,247,605

Manufacturing —0.2%
3M Co., 3.00%, 09/14/21 (Call 08/14/21)		1,075		1,116,868
Siemens Financieringsmaatschappij NV, 2.15%,05/27/20^(d).		3,000		3,002,437

				4,119,305

Media — 0.4%
Comcast Corp., 1.76%, 10/01/20,
(3 mo. LIBOR US + 0.330%)^(a)		2,000		2,001,116


Security	Par (000)		Value

Media (continued)
NBCUniversal Enterprise Inc., 1.83%, 04/01/21, (3 mo. LIBOR US + 0.400%)^(a)(d)	$	5,000	$	5,000,403
Walt Disney Co. (The), 1.83%, 09/01/21, (3 mo. LIBOR US + 0.250%)^(a)		4,320		4,296,248

				11,297,767

Oil & Gas — 0.4%
BP Capital Markets PLC, 1.93%, 11/24/20, (3 mo. LIBOR US + 0.250%)^(a)		10,000		9,921,618


Oil & Gas Services — 0.1%
Schlumberger Finance Canada Ltd., 2.65%, 11/20/22 (Call 10/20/22)^(d)		2,500		2,466,929


Pharmaceuticals — 1.7%
AbbVie Inc. 2.05%, 05/21/21, (3 mo. LIBOR US + 0.350%)^(a)(d)		9,000		8,951,573
2.15%,11/19/21^(d)		13,000		13,166,984
Bristol-Myers Squibb Co., 2.88%, 08/15/20^(d)		12,500		12,564,994
Pfizer Inc., 3.00%, 09/15/21		1,670		1,720,285
Sanofi, 4.00%, 03/29/21		8,000		8,226,642

				44,630,478

Pipelines — 0.6%
Enterprise Products Operating LLC 2.85%, 04/15/21 (Call 03/15/21)		5,716		5,720,845
3.50%, 02/01/22.		7,565		7,739,127
TransCanada PipeLines Ltd., 3.80%, 10/01/20		1,886		1,896,169

				15,356,141

Savings & Loans — 0.4%
Nationwide Building Society, 2.00%, 01/27/23^(d)		10,890		10,958,894


Semiconductors — 0.4%
Lam Research Corp., 2.80%, 06/15/21 (Call 05/15/21)		9,905		10,093,329


Software — 0.1%
Adobe Inc., 1.70%, 02/01/23		4,010		4,112,905


Transportation — 0.5%
Ryder System Inc. 2.25%, 09/01/21 (Call 08/01/21)		4,186		4,164,534
2.50%, 05/11/20		5,500		5,499,518
2.88%, 06/01/22 (Call 05/01/22)		4,899		4,892,317

				14,556,369


Total Corporate Bonds & Notes — 43.9% (Cost: $1,173,130,123)				1,171,456,165


Municipal Debt Obligations

Michigan — 0.0%
Michigan Finance Authority RB, 2.03%, 12/01/20		450		451,408


Total Municipal Debt Obligations — 0.0% (Cost $450,000)				451,408


Repurchase Agreements
Bank of America Securities Inc., 0.74%, 05/01/20 (Purchased on 04/30/20 to be repurchased at $7,000,144, collateralized by non-agency mortgage-backed security, 3.00%, due 10/25/58, par and fair value of $11,311,522 and $8,400,000, respectively)^(a)(e)		7,000		7,000,000


Security	Par (000)		Value

Citigroup Global Markets Inc., 1.11%,05/01/20 (Purchased on 04/30/20 to be repurchased at $12,000,370, collateralized by non-agency mortgage-backed security, 4.00% to 6.81%, due 02/01/35 to 06/30/58, par and fair value of $11,902,992 and $12,600,000, respectively)^(a)(e)	$	12,000	$	12,000,000
Credit Suisse Securities (USA) LLC, 1.31%,05/01/20 (Purchased on 04/30/20 to be repurchased at $10,000,364, collateralized by non-agency mortgage-backed security, 0.00% to 3.88%, due 04/30/22 to 01/25/46, par and fair value of $13,275,016 and $11,500,000, respectively) ^(a)(e)		10,000		10,000,000
JP Morgan Securities, 1.99%, 05/01/20 (Purchased on 04/30/20 to be repurchased at $15,000,829, collateralized by non-agency mortgage-backed security, 3.00% to 7.13%, due 06/15/21 to 10/15/39, par and fair value of $15,150,925 and $15,750,001, respectively)^(a)(e)		15,000		15,000,000
Mizuho Securities USA Inc., 0.95%,05/01/20 (Purchased on 04/30/20 to be repurchased at $6,000,159, collateralized by U.S. Treasury obligations, 2.00% to 2.75%, due 04/30/23 to 06/30/24, par and fair value of $5,694,900 and $6,120,058, respectively) ^(a)(e)		6,000		6,000,000
Wells Fargo Securities, 1.65%,05/01/20 (Purchased on 04/30/20 to be repurchased at $15,000,688, collateralized by non-agency mortgage-backed security, 2.81% to 4.79%, due 05/10/39 to 11/15/62, par and fair value of $16,359,969 and $16,989,696, respectively)^(a)(e)		15,000		15,000,000


Total Repurchase Agreements — 2.4% (Cost: $65,000,000)				65,000,000


Security	Shares (000)		Value

Money Market Funds
BlackRock Cash Funds: Treasury, SLAgency Shares, 0.18%^(f)(g)		49,140	$	49,140,000


Total Money Market Funds — 1.9% (Cost: $49,140,000)				49,140,000


Total Investments in Securities — 98.9% (Cost: $2,642,699,905)				2,640,888,848

Other Assets, Less Liabilities — 1.1%				30,172,862


Net Assets — 100.0%			$	2,671,061,710

^(a)	Variable or floating rate security. Rate shown is the rate in effect as of period-end.

^(b)	Security is issued at a fixed coupon rate, which converts to a variable rate at a specified date.

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

^(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)	Maturity date represents next reset date.

^(f)	Affiliate of the Fund.

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

Investments in issuers considered to be affiliates of the Fund during the six months ended April 30, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

iShares U.S. ETF 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 is organized as a Delaware statutory trust and is authorized to have multiple series or portfolios.

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

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 increases and decreases in net assets from operations 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.

Investment Transactions and Income Recognition: Investment 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.

Foreign Currency Translation: The accounting records of the Funds are maintained in U.S. dollars. Foreign currencies, as well as investment securities and other assets and liabilities denominated in non-U.S. currencies are translated to U.S. dollars using prevailing market rates as quoted by one or more data service providers. Purchases and sales of investments, income receipts and expense payments are translated into U.S. dollars on the respective dates of such transactions.

Each Fund does not isolate the effect of fluctuations in foreign exchange rates from the effect of fluctuations in the market prices of investments. Such fluctuations are reflected by the Funds as a component of net realized and unrealized gain (loss) from investments for financial reporting purposes. Each Fund reports realized currency gain (loss) on foreign currency related transactions as components of net realized gain (loss) for financial reporting purposes, whereas such components are generally treated as ordinary income for U.S. federal income tax purposes.

Foreign Taxes: The Funds may be subject to foreign taxes (a portion of which may be reclaimable) on income, stock dividends, capital gains on investments, or certain foreign currency transactions. All foreign taxes are recorded in accordance with the applicable foreign tax regulations and rates that exist in the foreign jurisdictions in which each Fund invests. These foreign taxes, if any, are paid by each Fund and are reflected in its statement of operations as follows: foreign taxes withheld at source are presented as a reduction of income, foreign taxes on securities lending income are presented as a reduction of securities lending income, foreign taxes on stock dividends are presented as “other foreign taxes”, and foreign taxes on capital gains from sales of investments and foreign taxes on foreign currency transactions are included in their respective net realized gain (loss) categories. Foreign taxes payable or deferred as of April 30, 2020, if any, are disclosed in the statement of assets and liabilities.

In-kind Redemptions: For financial reporting purposes, in-kind redemptions are treated as sales of securities resulting in realized capital gains or losses to the Funds. Because such gains or losses are not taxable to the Funds and are not distributed to existing Fund shareholders, the gains or losses are reclassified from accumulated net realized gain (loss) to paid-in capital at the end of the Funds’ tax year. These reclassifications have no effect on net assets or net asset value (“NAV”) per share.

Distributions: 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.

Recent Accounting Standards: The Funds have adopted Financial Accounting Standards Board Accounting Standards Update 2017-08 to amend the amortization period for certain purchased callable debt securities held at a premium. Under the new standard, the Funds have changed the amortization period for the premium on certain purchased callable debt securities with non-contingent call features to the earliest call date. In accordance with the transition provisions of the standard, the Funds applied the amendments on a modified retrospective basis beginning with the fiscal period ended April 30, 2020. The adjusted cost basis of securities at October 31, 2019 are as follows:

This change in accounting policy has been made to comply with the newly issued accounting standard and had no impact on accumulated earnings (loss) or the net asset value of the Funds.

Indemnifications: In the normal course of business, each Fund enters into contracts that contain a variety of representations that provide general indemnification. The Funds’ maximum exposure under these arrangements is unknown because it involves future potential claims against the Funds, which cannot be predicted with any certainty.

Investment Valuation Policies: Each Fund’s investments are valued at fair value (also referred to as “market value” within the financial statements) 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. A fund determines the fair value of its financial instruments using various independent dealers or pricing services under policies approved by the Board of Trustees of the Trust (the “Board”). If a security’s market price is not readily available or does not otherwise accurately represent the fair value of the security, the security will be valued in accordance with a policy approved by the Board as reflecting fair value. The BlackRock Global Valuation Methodologies Committee (the “Global Valuation Committee”) is the committee formed by management to develop global pricing policies and procedures and to oversee the pricing function for all financial instruments.

Fair Value Inputs and Methodologies: The following methods and inputs are used to establish the fair value of each Fund’s assets and liabilities:

If events (e.g., a company announcement, market volatility or a natural disaster) occur that are expected to materially affect the value of an investment, or in the event that application of these methods of valuation results in a price for an investment that is deemed not to be representative of the market 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 as reflecting fair value (“Fair Valued Investments”). The fair valuation approaches that may be used by the Global Valuation Committee include market approach, income approach and the cost approach. 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.

When determining the price for Fair Valued Investments, the Global Valuation Committee, or its delegate, seeks to determine the price that each Fund might reasonably expect to receive or pay from the current sale or purchase of that asset or liability in an arm’s-length transaction. Fair value determinations shall be based upon all available factors that the Global Valuation Committee, or its delegate, deems relevant and consistent with the principles of fair value measurement.

Fair Value Hierarchy: Various inputs are used in determining the fair value of financial instruments. 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. The categorization of a value determined for financial instruments is based on the pricing transparency of the financial instruments and is not necessarily an indication of the risks associated with investing in those securities.

TBA Commitments: A 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 underlying mortgage pools to be delivered are not identified at the trade date. However, delivered securities must meet specified terms, including issuer, rate and mortgage terms. A 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.

TBA Roll Transactions: A 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”). TBA rolls are treated as purchase and sale transactions in which the fund realizes gains and losses. A fund’s use of TBA rolls may cause the fund to experience higher portfolio turnover and higher transactions costs. TBA rolls involve the risk that the market value of the securities that a fund is required to purchase may decline below the agreed upon purchase price of those securities.

Repurchase Agreements: Repurchase agreements are commitments to purchase a security from a counterparty who agrees to repurchase the same security at a mutually agreed upon date and price. On a daily basis, the counterparty is required to maintain collateral subject to the agreement and in value no less than the agreed upon repurchase amount. Repurchase agreements may be traded bilaterally, in a tri-party arrangement or may be centrally cleared through a sponsoring agent. Subject to the custodial undertaking associated with a tri-party repurchase arrangement and for centrally cleared agreements, a third party custodian maintains accounts to hold collateral for a fund and its counterparties. Typically, a fund and counterparty are not permitted to sell, re-pledge or use the collateral absent a default by the counterparty or the fund. In the event the counterparty defaults and the fair value of the collateral declines, a fund could experience losses, delays and costs in liquidating the collateral.

Repurchase agreements are entered into by a fund under Master Repurchase Agreements (each, an “MRA”). The MRA permits the fund, under certain circumstances including an event of default (such as bankruptcy or insolvency), to offset payables and/or receivables with collateral held by and/or posted to the counterparty. As a result, one single net payment is created. Bankruptcy or insolvency laws of a particular jurisdiction may impose restrictions on or prohibitions against such a right of offset in the event of the MRA counterparty’s bankruptcy or insolvency. Based on the terms of the MRA, the fund receives securities as collateral with a market value in excess of the repurchase price at maturity. Upon a bankruptcy or insolvency of the MRA counterparty, the fund would recognize a liability with respect to such excess collateral. The liability reflects the fund’s obligation under bankruptcy law to return the excess to the counterparty.

The following table summarizes the open repurchase agreements as of April 30, 2020 which are subject to offset under an MRA:

Securities Lending: Each Fund may lend its 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 market 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 and any additional required collateral is delivered to the Fund or excess collateral is returned by the Fund, 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.

As of April 30, 2020, 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 BlackRock Fund Advisors (“BFA”), the Funds’ investment adviser, or its affiliates 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, if any, are also disclosed in its schedule of investments. The market value of any securities on loan as of April 30, 2020 and the value of the related cash collateral are disclosed in the statements of assets and liabilities.

Securities lending transactions are entered into by a fund under Master Securities Lending Agreements (each, an “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 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, absent an event of default, the borrower can resell or re-pledge the loaned securities, and the fund can reinvest cash collateral received in connection with loaned securities.

The following table is a summary of the securities lending agreements by counterparty which are subject to offset under an MSLA as of April 30, 2020:

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, each Fund benefits from a borrower default indemnity provided by BlackRock, Inc. (“BlackRock”). BlackRock’s indemnity allows for full replacement of the securities loaned to the extent 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 market 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. Such losses are borne entirely by each Fund.

Forward Foreign Currency Exchange Contracts: The iShares Short Maturity Bond ETF uses forward foreign currency exchange contracts to hedge the currency exposure of non-U.S. dollar-denominated securities held in its portfolio. A forward foreign currency exchange contract is an agreement between two parties to buy and sell a currency against another currency at an agreed upon price and quantity. The contracts are traded over-the-counter (“OTC”) and not on an organized exchange.

The contract is marked-to-market daily and the change in market value is recorded as unrealized appreciation or depreciation in the statement of assets and liabilities.When the contract is closed, a realized gain or loss is recorded in the statement of operations equal to the difference between the value at the time it was opened and the value at the time it was closed. Non-deliverable forward foreign currency exchange contracts (“NDFs”) are settled with the counterparty in cash without the delivery of foreign currency. The use of forward foreign currency exchange contracts involves the risk that the value of a contract changes unfavorably due to movements in the value of the referenced foreign currencies. A fund’s risk of loss from counterparty credit risk on OTC derivatives is generally limited to the aggregate unrealized gain netted against any collateral held by the fund.

Investment Advisory Fees: 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 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:

Distributor: 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.

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, or its affiliates, 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. Each 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 the current securities lending agreement, each Fund retains 82% of securities lending income (which excludes collateral investment fees), 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 that calendar year exceeds a specified threshold, each Fund, pursuant to the securities lending agreement, will retain for the remainder of that calendar year 85% of securities lending income (which excludes collateral investment fees) and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees.

The share of securities lending income earned by each Fund is shown as securities lending income – affiliated – net in its statement of operations. For the six months ended April 30, 2020, the Funds paid BTC the following amounts for securities lending agent services:

Officers and Trustees: Certain officers and/or trustees of the Trust are officers and/or trustees of BlackRock or its affiliates.

Other Transactions: 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 six months ended April 30, 2020, 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 shown as dividends – affiliated in the statement of operations.

For the six months ended April 30, 2020, purchases and sales of investments, including TBA rolls and excluding in-kind transactions and short-term investments, were as follows:

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.

Management has analyzed tax laws and regulations and their application to the Funds as of April 30, 2020, inclusive of the open tax return years, and does not believe that there are any uncertain tax positions that require recognition of a tax liability in the Funds’ financial statements.

As of October 31, 2019, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

As of April 30, 2020, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives, if any) for U.S. federal income tax purposes were as follows:

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.

Market Risk: 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. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, recessions, or other events could have a significant impact on the Funds and their investments. 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.

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.

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.

An outbreak of respiratory disease caused by a novel coronavirus has developed into a global pandemic and has resulted in closing borders, quarantines, disruptions to supply chains and customer activity, as well as general concern and uncertainty. The impact of this pandemic, and other global health crises that may arise in the future, could affect the economies of many nations, individual companies and the market in general in ways that cannot necessarily be foreseen at the present time. This pandemic may result in substantial market volatility and may adversely impact the prices and liquidity of a fund’s investments. The impact of the pandemic may be short term or may last for an extended period of time.

Credit Risk: 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.

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, including changes made in the law after issuance of the securities, as well as uncertainties in the municipal market related to, 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 for the project or from the assets. Municipal securities may be less liquid than taxable bonds, and there may be less publicly available information on the financial condition of municipal security issuers than for issuers of other securities.

Concentration Risk: 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.

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.

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.

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,ifany, are included in shares sold in the table above.

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 transactions are reflected as a receivable or a payable in the statement of assets and liabilities.

On June 16, 2016, investors 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 Preferred and Income Securities ETF)filed a 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. In an opinion dated January 23, 2020, the California Court of Appeal affirmed the dismissal of Plaintiffs’ claims. On March 3, 2020, plaintiffs filed a petition for review by the California Supreme Court. On May 27, 2020, the California Supreme Court denied Plaintiff’s petition for review. Plaintiff may choose to petition the U.S. Supreme Court for further review.

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 additional disclosure in the financial statements.

The Securities and Exchange Commission adopted Rule 22e-4 under the Investment Company Act of 1940, as amended (the “Liquidity Rule”) to promote effective liquidity risk management throughout the open-end investment company industry, thereby reducing the risk that funds will be unable to meet their redemption obligations and mitigating dilution of the interests of fund shareholders.

The Board of Trustees (the “Board”) of iShares Short Maturity Bond ETF, iShares Short Maturity Municipal Bond ETF and iShares Ultra Short-Term Bond ETF met on December 3, 2019 (the “Meeting”) to review the liquidity risk management program (the “Program”) applicable to the iShares Funds (each, a “Fund”) pursuant to the Liquidity Rule. The Board has appointed BlackRock Fund Advisors (“BlackRock”), the investment adviser to the Funds, as the program administrator for each Fund’s Program, as applicable. BlackRock has delegated oversight of the Program to the 40 Act Liquidity Risk Management Committee (the “Committee”). At the Meeting, the Committee, on behalf of BlackRock, provided the Board with a report that addressed the operation of the Program and assessed its adequacy and effectiveness of implementation, including the operation of each Fund’s Highly Liquid Investment Minimum (“HLIM”) where applicable, and any material changes to the Program (the “Report”). The Report covered the period from December 1, 2018 through September 30, 2019 (the “Program Reporting Period”).

The Report described the Program’s liquidity classification methodology for categorizing a Fund’s investments (including derivative transactions) into one of four liquidity buckets. It also described BlackRock’s methodology in establishing a Fund’s HLIM and noted that the Committee reviews and ratifies the HLIM assigned to each Fund no less frequently than annually.

The Report noted that the Program complied with the key factors for consideration under the Liquidity Rule for assessing, managing and periodically reviewing a Fund’s liquidity risk, as follows:

There were no material changes to the Program during the Program Reporting Period. The Report provided to the Board stated that the Committee concluded that based on the operation of the functions, as described in the Report, the Program is operating as intended and is effective in implementing the requirements of the Liquidity Rule.

The amounts and sources of distributions reported are estimates and are being provided pursuant to regulatory requirements and are not being providedfor 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 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.

Shareholders can signup for email notifications announcing that the shareholder report or prospectus has been posted on the iShares website at 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 as an exhibit to its reports on Form N-PORT, and for reporting periods ended prior to March 31, 2019, filed such information on Form N-Q. The iShares Funds’ Forms N-Q are available on the SEC’s website at sec.gov. The iShares Funds also disclose their complete schedule of portfolio holdings on a daily basis on the iShares website at iShares.com.

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 iShares.com; and (3) on the SEC website at sec.gov.

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 Inflation Hedged Corporate Bond ETF (the “Fund”) seeks to mitigate the inflation risk of a portfolio composed of U.S. dollar-denominated, investment- grade corporate bonds. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index. The Fund currently seeks to achieve its investment objective by investing a substantial portion of its assets in one underlying fund, the iShares iBoxx $ Investment Grade Corporate Bond ETF. The Fund attempts to mitigate the inflation risk of the underlying fund by holding inflation swaps.

The inception date of the Fund was 5/8/18. The first day of secondary market trading was 5/10/18.

The Markit iBoxx^® USD Liquid Investment Grade Inflation Hedged Index is an unmanaged index that is designed to reflect the inflation hedged performance of U.S. dollar-denominated investment-grade corporate debt.

The iShares Interest Rate Hedged Corporate Bond ETF (the “Fund”) seeks to mitigate the interest rate risk of a portfolio composed of U.S. dollar-denominated, investment-grade corporate bonds. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index. The Fund currently seeks to achieve its investment objective by investing a substantial portion of its assets in one underlying fund, the iShares iBoxx $ Investment Grade Corporate Bond ETF. The Fund attempts to mitigate the interest rate risk of the underlying fund by holding short positions in U.S. Treasury futures or interest rate swaps.

The inception date of the Fund was 5/27/14. The first day of secondary market trading was 5/28/14.

The Markit iBoxx^® USD Liquid Investment Grade Interest Rate Hedged Swaps Index is an unmanaged index that is designed to reflect the duration hedged performance of U.S. dollar-denominated investment-grade corporate debt.

The iShares Interest Rate Hedged High Yield Bond ETF (the “Fund”) seeks to mitigate the interest rate risk of a portfolio composed of U.S. dollar-denominated, high yield corporate bonds. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index. The Fund currently seeks to achieve its investment objective by investing a substantial portion of its assets in one underlying fund, the iShares iBoxx $ High Yield Corporate Bond ETF. The Fund attempts to mitigate the interest rate risk of the underlying fund by holding short positions in U.S. Treasury futures or interest rate swaps.

The inception date of the Fund was 5/27/14. The first day of secondary market trading was 5/28/14.

The Markit iBoxx^® USD Liquid High Yield Interest Rate Hedged Swaps Index is an unmanaged index that reflects the duration hedged performance of U.S. dollar-denominated high yield corporate debt.

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 ask 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. Since shares of a fund may not trade in the secondary market until after the fund’s inception, for the period from inception to the first day of secondary market trading in shares of the fund, the NAV of the fund is used as a proxy for the Market Price to calculate market returns. Market and NAV returns assume that dividends and capital gain distributions have been reinvested at Market Price and NAV, respectively.


Security	Shares		Value

Investment Companies

Exchange-Traded Funds — 90.2%
iShares iBoxx $ Investment Grade Corporate Bond ETF^(a)		52,821	$	6,822,889


Total Investment Companies — 90.2% (Cost: $6,063,987)				6,822,889


Short-Term Investments

Money Market Funds — 1.6%
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(a)(b)		120,000		120,000


Total Short-Term Investments — 1.6% (Cost: $120,000)				120,000


Total Investments in Securities — 91.8% (Cost: $6,183,987)				6,942,889

Other Assets, Less Liabilities — 8.2%				617,139


Net Assets — 100.0%			$	7,560,028

Investments in issuers considered to be affiliates of the Fund during the six months ended April 30, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

Balances Reported in the Statements of Assets and Liabilities for Centrally Cleared Swaps

As of April 30, 2020, the fair values of derivative financial instruments located in the Statements of Assets and Liabilities were as follows:

For the six months ended April 30, 2020, the effect of derivative financial instruments in the Statements of Operations was as follows:

For more information about the Fund’s investment risks regarding derivative financial instruments, refer to the Notes to Financial Statements.


Security	Shares		Value

Investment Companies

Exchange-Traded Funds — 99.8%
iShares iBoxx $ Investment Grade Corporate Bond ETF^(a)(b)(c)		2,098,192	$	271,023,460


Total Investment Companies — 99.8% (Cost: $258,943,523)				271,023,460


Short-Term Investments

Money Market Funds — 2.5%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.89%^(a)(d)(e)		6,707,899		6,715,278
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(a)(d)		150,000		150,000

				6,865,278


Total Short-Term Investments — 2.5% (Cost: $6,862,607)				6,865,278


Total Investments in Securities — 102.3% (Cost: $265,806,130)				277,888,738

Other Assets, Less Liabilities — (2.3)%				(6,163,162	)


Net Assets — 100.0%			$	271,725,576

Investments in issuers considered to be affiliates of the Fund during the six months ended April 30, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

Balances Reported in the Statements of Assets and Liabilities for Centrally Cleared Swaps

As of April 30, 2020, the fair values of derivative financial instruments located in the Statements of Assets and Liabilities were as follows:

For the six months ended April 30, 2020, the effect of derivative financial instruments in the Statements of Operations was as follows:

For more information about the Fund’s investment risks regarding derivative financial instruments, refer to the Notes to Financial Statements.


Security	Shares		Value

Investment Companies

Exchange-Traded Funds — 96.8%
iShares iBoxx $ High Yield Corporate Bond ETF^(a)(b)		812,109	$	65,317,927


Total Investment Companies — 96.8% (Cost: $71,587,550)				65,317,927


Short-Term Investments

Money Market Funds — 46.4%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.89%^(a)(c)(d)		30,543,914		30,577,512
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(a)(c)		705,000		705,000

				31,282,512


Total Short-Term Investments — 46.4% (Cost: $31,255,424)				31,282,512


Total Investments in Securities — 143.2% (Cost: $102,842,974)				96,600,439

Other Assets, Less Liabilities — (43.2)%				(29,159,293	)


Net Assets — 100.0%			$	67,441,146

Investments in issuers considered to be affiliates of the Fund during the six months ended April 30, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

Balances Reported in the Statements of Assets and Liabilities for Centrally Cleared Swaps

As of April 30, 2020, the fair values of derivative financial instruments located in the Statements of Assets and Liabilities were as follows:

For the six months ended April 30, 2020, the effect of derivative financial instruments in the Statements of Operations was as follows:

For more information about the Fund’s investment risks regarding derivative financial instruments, refer to the Notes to Financial Statements.

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

Currently each Fund seeks to achieve its investment objective by investing a substantial portion of its assets in an iShares fund (an “underlying fund”). The financial statements and schedules of investments for the underlying funds are included elsewhere in this report and should be read in conjunction with the Funds’ financial statements.

Fair Value Inputs and Methodologies: The following methods and inputs are used to establish the fair value of each Fund’s assets and liabilities:

As of April 30, 2020, 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 BlackRock Fund Advisors (“BFA”), the Funds’ investment adviser, or its affiliates 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, if any ,are also disclosed in its schedule of investments. The market value of any securities on loan as of April 30, 2020 and the value of the related cash collateral are disclosed in the statements of assets and liabilities.

The following table is a summary of the securities lending agreements by counterparty which are subject to offset under an MSLA as of April 30, 2020:

Futures Contracts: U.S. Treasury futures are used by the iShares Inflation Hedged Corporate Bond ETF to mitigate the potential impact of interest rates on the performance of the bonds held by the Fund or its underlying fund. Futures contracts are standardized, exchange-traded agreements to buy or sell a specific quantity of an underlying instrument at a set price on a future date. Depending on the terms of a contract, a futures contract is settled either through physical delivery of the underlying instrument on the settlement date or by payment of a cash amount on the settlement date.

Upon entering into a futures contract, a fund is required to pledge to the executing broker which holds segregated from its own assets, an amount of cash, U.S. government securities or other high-quality debt and equity securities equal to the minimum initial margin requirements of the exchange on which the contract is traded. Securities deposited as initial margin, if any, are designated in the schedule of investments and cash deposited, if any, is shown as cash pledged for futures contracts in the statement of assets and liabilities.

Pursuant to the contract, a fund agrees to receive from or pay to the broker an amount of cash equal to the daily fluctuation in market value of the contract (“variation margin”). Variation margin is recorded as unrealized appreciation or depreciation and, if any, shown as variation margin receivable or payable on futures contracts in the statement of assets and liabilities. When the contract is closed, a realized gain or loss is recorded in the statement of operations equal to the difference between the notional amount of the contract at the time it was opened and the notional amount at the time it was closed. Losses may arise if the notional value of a futures contract decreases due to an unfavorable change in the market rates or values of the underlying instrument during the term of the contract or if the counterparty does not perform under the contract. The use of futures contracts involves the risk of an imperfect correlation in the movements in the price of futures contracts and the assets underlying such contracts.

Swaps: Swaps are financial agreements to exchange cash flows in which one party pays a stream of interest payments, either fixed or floating, in exchange for another party’s stream of interest payments, either fixed or floating, on the same notional amount for a specified period of time. The iShares Inflation Hedged Corporate Bond ETF uses inflation swaps to mitigate the potential impact of inflation on the performance of the bonds held by the Fund or its underlying fund. The iShares Interest Rate Hedged Corporate Bond ETF and iShares Interest Rate Hedged High Yield Bond ETF use interest rate swaps to mitigate the potential impact of interest rates on the performance of the bonds held by each Fund or its underlying fund.

Swap agreements are privately negotiated in the over-the-counter market and may be entered into as a bilateral contract or centrally cleared (“centrally cleared swaps”). Each Fund enters into centrally cleared swaps.

In a centrally cleared swap, immediately following execution of the swap agreement, the swap agreement is novated to a central counterparty (“CCP”) and the CCP becomes the Funds’ counterparty on the swap. Each Fund is required to interface with the CCP through a broker. Upon entering into a centrally cleared swap, each Fund is required to deposit initial margin with the broker in the form of cash or securities in an amount that varies depending on the size and risk profile of the particular swap. Securities deposited as initial margin are designated on the schedule of investments and cash deposited is shown as cash pledged for centrally cleared swaps on the statement of assets and liabilities. The daily change in valuation of centrally cleared swaps is recorded as variation margin receivable or payable on centrally cleared swaps in the statement of assets and liabilities. Payments received from (paid to) the counterparty, including at termination, are recorded as realized gains (losses) in the statement of operations. Payments and receipts are amortized over the term of the contract as a realized gain (loss) in the statement of the operations.

Swap transactions involve, to varying degrees, elements of interest rate, credit and market risks in excess of the amounts recognized in the statement of assets and liabilities. Such risks involve the possibility that there will be no liquid market for these agreements, that the counterparty to the agreements may default on its obligation to perform or disagree as to the meaning of the contractual terms in the agreements, and that there may be unfavorable changes in interest rates and/or market values associated with these transactions.

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 iShares Inflation Hedged Corporate Bond ETF, BFA has contractually agreed to waive a portion of its investment advisory fee for the Fund through February 28, 2023 so that the Fund’s total annual operating expenses after fee waiver is equal to the acquired fund fees and expenses attributable to the Fund’s investment in the iShares iBoxx $ Investment Grade Corporate Bond ETF (“LQD”),after taking into account any fee waivers by LQD, plus 0.05%.

For the iShares Interest Rate Hedged Corporate Bond ETF, BFA has contractually agreed to waive a portion of its investment advisory fee for the Fund through February 28, 2022 so that the Fund’s total annual operating expenses after fee waiver is equal to the acquired fund fees and expenses attributable to the Fund’s investment in LQD, after taking into account any fee waivers by LQD, plus 0.10%.

For the iShares Interest Rate Hedged High Yield Bond ETF, BFA has contractually agreed to waive a portion of its investment advisory fee for the Fund through February 28, 2022 so that the Fund’s total annual operating expenses after fee waiver is equal to the acquired fund fees and expenses attributable to the Fund’s investment in the iShares iBoxx $ High Yield Corporate Bond ETF (“HYG”), after taking into account any fee waivers by HYG, plus 0.05%.

Securities Lending: The U.S. Securities and Exchange Commission (the “SEC”) 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, or its affiliates, 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. Each 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 the current securities lending agreement, each Fund retains 82% of securities lending income (which excludes collateral investment fees) 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 that calendar year exceeds a specified threshold, each Fund, pursuant to the securities lending agreement, will retain for the remainder of that calendar year 85% of securities lending income (which excludes collateral investment fees), and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees.

The share of securities lending income earned by each Fund is shown as securities lending income — affiliated — net in its statement of operations. For the six months ended April 30, 2020, the Funds paid BTC the following amounts for securities lending agent services:

Officers and Trustees: Certain officers and/or trustees of the Trust are officers and/or trustees of BlackRock or its affiliates.

During the six month ended April 30, 2020, iShares Inflation Hedged Corporate Bond ETF received a reimbursement of $3,562 from an affiliate, which is included in payment by affiliate in the statements of operations, related to an operating event.

For the six months ended April 30, 2020, purchases and sales of investments, excluding in-kind transactions and short-term investments, were as follows:

As of October 31, 2019, the Funds had non-expiring capital loss carryforwards available to offset future realized capital gains as follows:

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 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 shares sold in the table above.

On June 16, 2016, investors 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 Preferred and Income Securities ETF) filed a 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. In an opinion dated January 23, 2020, the California Court of Appeal affirmed the dismissal of Plaintiffs’ claims. On March 3, 2020, plaintiffs filed a petition for review by the California Supreme Court. On May 27, 2020, the California Supreme Court denied Plaintiff’s petition for review. Plaintiff may choose to petition the U.S. Supreme Court for further review.

The Board of Trustees (the “Board”) of iShares Inflation Hedged Corporate Bond ETF, iShares Interest Rate Hedged Corporate Bond ETF and iShares Interest Rate Hedged High Yield Bond ETF met on December 3, 2019 (the “Meeting”) to review the liquidity risk management program (the “Program”) applicable to the iShares Funds (each, a “Fund”) pursuant to the Liquidity Rule. The Board has appointed BlackRock Fund Advisors (“BlackRock”), the investment adviser to the Funds, as the program administrator for each Fund’s Program, as applicable. BlackRock has delegated oversight of the Program to the 40 Act Liquidity Risk Management Committee (the “Committee”). At the Meeting, the Committee, on behalf of BlackRock, provided the Board with a report that addressed the operation of the Program and assessed its adequacy and effectiveness of implementation, including the operation of each Fund’s Highly Liquid Investment Minimum (“HLIM”) where applicable, and any material changes to the Program (the “Report”). The Report covered the period from December 1, 2018 through September 30, 2019 (the “Program Reporting Period”).

The Report noted that the Program complied with the key factors for consideration under the Liquidity Rule for assessing, managing and periodically reviewing a Fund’s liquidity risk, as follows:

The amounts and sources of distributions reported are estimates and are being 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 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.

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


Security	Par (000)		Value

Corporate Bonds & Notes

Advertising — 0.6%
Lamar Media Corp.
3.75%, 02/15/28 (Call 02/15/23)^(a)	$	14,276	$	13,133,920
4.00%, 02/15/30 (Call 02/15/25)^(a)		10,036		9,213,308
5.00%, 05/01/23 (Call 05/01/20)^(b)		13,860		13,860,000
5.75%, 02/01/26 (Call 02/01/21)^(b)		15,792		16,101,523
Outfront Media Capital LLC/Outfront Media Capital Corp.
4.63%, 03/15/30 (Call 03/15/25)^(a)(b)		12,899		11,811,185
5.00%, 08/15/27 (Call 08/15/22)^(a)(b)		15,825		14,875,500
5.63%, 02/15/24 (Call 02/15/21)^(b)		13,473		13,438,021
Terrier Media Buyer Inc., 8.88%, 12/15/27 (Call 12/15/22)^(a)		24,430		20,154,750

				112,588,207

Aerospace & Defense — 2.8%
Bombardier Inc.
5.75%, 03/15/22^(a)(b)		15,368		11,416,541
6.00%, 10/15/22 (Call 05/29/20)^(a)(b)		28,415		21,027,100
6.13%, 01/15/23^(a)(b)		30,102		21,372,420
7.50%, 12/01/24 (Call 12/01/20)^(a)		22,767		15,125,826
7.50%, 03/15/25 (Call 03/15/21)^(a)(b)		34,590		22,310,550
7.88%, 04/15/27 (Call 04/15/22)^(a)(b)		46,510		30,115,225
8.75%, 12/01/21^(a)(b)		24,557		20,492,817
Howmet Aerospace Inc.
5.13%, 10/01/24 (Call 07/01/24)		30,370		29,269,087
5.40%, 04/15/21 (Call 01/15/21)		11,852		12,092,003
5.87%, 02/23/22		16,714		17,006,495
6.88%, 05/01/25 (Call 04/01/25)		8,050		8,211,000
Signature Aviation U.S. Holdings Inc.
4.00%, 03/01/28 (Call 03/01/23)^(a)(b)		15,448		13,285,280
5.38%, 05/01/26 (Call 05/01/21)^(a)		13,484		12,438,990
Spirit AeroSystems Inc.
4.60%, 06/15/28 (Call 03/15/28)^(b)		10,187		8,200,535
7.50%, 04/15/25 (Call 04/15/22)^(a)		6,537		6,438,945
SSL Robotics LLC, 9.75%, 12/31/23 (Call 12/15/21)^(a)(b)		24,320		25,827,840
TransDigm Inc.
5.50%, 11/15/27 (Call 11/15/22)^(a)(b)		62,119		52,490,555
6.25%, 03/15/26 (Call 03/15/22)^(a)		103,098		100,790,667
6.38%, 06/15/26 (Call 06/15/21)^(b)		23,220		19,867,496
6.50%, 07/15/24 (Call 07/15/20)^(b)		28,802		26,313,219
6.50%, 05/15/25 (Call 05/15/20)^(b)		19,422		17,382,690
7.50%, 03/15/27 (Call 03/15/22)^(b)		13,070		11,681,313
8.00%, 12/15/25 (Call 04/08/22)^(a)		21,360		22,214,400
TransDigm UK Holdings PLC, 6.88%, 05/15/26 (Call 05/15/21)^(b)		12,478		10,855,860
Triumph Group Inc.
6.25%, 09/15/24 (Call 09/15/20)^(a)(b)		13,170		10,440,298
7.75%, 08/15/25 (Call 08/15/20)^(b)		12,792		8,422,764

				555,089,916

Agriculture — 0.4%
JBS Investments GmbH, 6.25%, 02/05/23 (Call 02/05/21)^(a)(b)		10,219		10,209,875
JBS Investments II GmbH
5.75%, 01/15/28 (Call 07/30/22)^(a)(b)		17,571		16,714,414
7.00%, 01/15/26 (Call 01/15/22)^(a)		21,947		22,781,425


Security	Par (000)		Value

Agriculture (continued)
Vector Group Ltd.
6.13%, 02/01/25 (Call 02/01/21)^(a)	$	21,651	$	21,001,470
10.50%, 11/01/26 (Call 11/01/21)^(a)		12,608		11,711,395

				82,418,579

Airlines — 0.2%
Air Canada, 7.75%, 04/15/21^(a)(b)		5,021		4,882,923
American Airlines Group Inc.
3.75%, 03/01/25^(a)		11,196		5,234,130
5.00%, 06/01/22^(a)		18,658		10,588,415
United Airlines Holdings Inc., 4.25%, 10/01/22		12,017		9,853,940

				30,559,408

Apparel — 0.3%
Hanesbrands Inc.
4.63%, 05/15/24 (Call 02/15/24)^(a)		21,815		21,821,817
4.88%, 05/15/26 (Call 02/15/26)^(a)(b)		21,764		21,894,040
5.38%, 05/15/25 (Call 05/15/22)^(a)		5,090		5,090,000
Levi Strauss & Co.
5.00%, 05/01/25 (Call 05/01/20)^(b)		1,800		1,816,470
5.00%, 05/01/25 (Call 05/01/20)^(a)		8,375		8,451,631

				59,073,958

Auto Manufacturers — 1.1%
Allison Transmission Inc.
4.75%, 10/01/27 (Call 10/01/22)^(a)		9,333		8,651,358
5.00%, 10/01/24 (Call 10/01/20)^(a)		24,263		23,398,630
5.88%, 06/01/29 (Call 06/01/24)^(a)(b)		11,389		11,041,977
Fiat Chrysler Automobiles NV, 5.25%, 04/15/23^(b)		35,621		35,435,771
Ford Motor Co.
8.50%, 04/21/23		18,895		18,918,619
9.00%, 04/22/25 (Call 03/22/25)		23,220		22,581,450
9.63%, 04/22/30 (Call 01/22/30)		5,785		5,767,009
Jaguar Land Rover Automotive PLC
4.50%, 10/01/27 (Call 07/01/27)^(a)(b)		11,915		7,387,300
5.63%, 02/01/23 (Call 02/01/21)^(a)(b)		12,197		9,834,929
Navistar International Corp.
6.63%, 11/01/25 (Call 11/01/20)^(a)		26,677		22,847,516
9.50%, 05/01/25 (Call 04/21/22)^(a)		9,063		9,516,150
Tesla Inc., 5.30%, 08/15/25 (Call 08/15/20)^(a)		43,869		42,772,275

				218,152,984

Auto Parts & Equipment — 1.1%
Adient Global Holdings Ltd., 4.88%, 08/15/26 (Call 08/15/21)^(a)(b)		21,996		16,408,971
Adient U.S. LLC
7.00%, 05/15/26 (Call 05/15/22)^(a)(b)		19,601		19,503,055
9.00%, 04/15/25 (Call 04/15/22)^(a)		3,992		4,161,660
American Axle & Manufacturing Inc.
6.25%, 04/01/25 (Call 04/01/21)^(b)		16,996		12,840,988
6.25%, 03/15/26 (Call 03/15/21)^(b)		8,409		6,264,705
6.50%, 04/01/27 (Call 04/01/22)		11,549		8,547,030
6.63%, 10/15/22 (Call 10/15/20)		923		775,320
Dana Financing Luxembourg Sarl, 5.75%, 04/15/25 (Call 04/15/21)^(a)(b)		9,029		8,146,415
Dana Inc., 5.50%, 12/15/24 (Call 12/15/20)^(b)		10,761		10,061,535
Goodyear Tire & Rubber Co. (The)
4.88%, 03/15/27 (Call 12/15/26)^(b)		17,439		15,041,138
5.00%, 05/31/26 (Call 05/31/21)^(b)		20,096		17,441,318
5.13%, 11/15/23 (Call 11/15/20)^(b)		24,769		23,221,433


Security	Par (000)		Value

Auto Parts & Equipment (continued)
Panther BF Aggregator 2 LP/Panther Finance Co. Inc.
6.25%, 05/15/26 (Call 05/15/22)^(a)(b)	$	24,136	$	24,292,884
8.50%, 05/15/27 (Call 05/15/22)^(a)(b)		45,558		38,610,405

				205,316,857

Banks — 1.1%
CIT Group Inc.
4.13%, 03/09/21 (Call 02/09/21)^(b)		5,250		5,159,752
4.75%, 02/16/24 (Call 11/16/23)		11,557		11,110,574
5.00%, 08/15/22		29,427		28,997,857
5.00%, 08/01/23^(b)		20,752		20,311,435
5.25%, 03/07/25 (Call 12/07/24)^(b)		11,234		11,217,992
6.13%, 03/09/28^(b)		8,479		8,709,965
Deutsche Bank AG, 4.30%, 05/24/28 (Call 05/24/23)^(b)(c)		36,052		32,176,410
Deutsche Bank AG/New York NY, 4.88%, 12/01/32 (Call 12/01/27)^(b)(c)		23,366		20,982,825
Fifth Third Bancorp., 5.10%, (Call 06/30/23)^(b)(c)(d)		14,601		12,820,354
Freedom Mortgage Corp.
8.13%, 11/15/24 (Call 11/15/20)^(a)(b)		9,939		8,216,858
8.25%, 04/15/25 (Call 04/15/21)^(a)(b)		16,713		14,206,050
Intesa Sanpaolo SpA, 5.02%, 06/26/24^(a)		48,247		48,998,572

				222,908,644

Building Materials — 0.7%
Builders FirstSource Inc.
5.00%, 03/01/30 (Call 03/01/25)^(a)		9,722		8,373,073
6.75%, 06/01/27 (Call 06/01/22)^(a)(b)		7,525		7,750,750
Griffon Corp., 5.75%, 03/01/28 (Call 03/01/23)		15,235		14,473,250
Standard Industries Inc./NJ
4.75%, 01/15/28 (Call 01/15/23)^(a)(b)		24,149		23,781,935
5.00%, 02/15/27 (Call 02/15/22)^(a)(b)		11,419		11,454,627
5.38%, 11/15/24 (Call 11/15/20)^(a)(b)		24,285		24,443,156
5.50%, 02/15/23 (Call 02/15/21)^(a)(b)		434		434,000
6.00%, 10/15/25 (Call 10/15/20)^(a)(b)		26,680		27,547,100
Summit Materials LLC/Summit Materials Finance Corp., 6.13%, 07/15/23 (Call 07/15/20)^(b)		16,353		16,368,535

				134,626,426

Chemicals — 1.5%
Ashland LLC, 4.75%, 08/15/22 (Call 05/15/22)^(b)		352		366,606
Blue Cube Spinco LLC
9.75%, 10/15/23 (Call 10/15/20)^(b)		17,723		18,476,227
10.00%, 10/15/25 (Call 10/15/20)^(b)		12,635		13,393,100
CF Industries Inc., 3.45%, 06/01/23^(b)		19,717		19,904,992
Chemours Co. (The)
5.38%, 05/15/27 (Call 02/15/27)^(b)		11,935		9,999,620
6.63%, 05/15/23 (Call 05/15/20)		21,909		20,496,899
7.00%, 05/15/25 (Call 05/15/20)^(b)		17,913		16,888,735
NOVA Chemicals Corp.
4.88%, 06/01/24 (Call 03/03/24)^(a)		24,730		22,091,722
5.00%, 05/01/25 (Call 01/31/25)^(a)		10,675		9,020,375
5.25%, 08/01/23 (Call 08/01/20)^(a)(b)		11,283		10,493,190
5.25%, 06/01/27 (Call 03/03/27)^(a)		25,262		20,209,600
OCINV
5.25%, 11/01/24 (Call 11/01/21)^(a)		14,483		14,312,535
6.63%, 04/15/23 (Call 04/15/21)^(a)(b)		15,933		16,091,374
Olin Corp.
5.00%, 02/01/30 (Call 02/01/24)^(b)		12,338		10,903,708
5.13%, 09/15/27 (Call 03/15/22)^(b)		13,183		12,128,360
5.63%, 08/01/29 (Call 08/01/24)^(b)		17,926		16,240,060
PolyOne Corp., 5.75%, 05/15/25 (Call 05/15/22)^(a)		4,135		4,186,688


Security	Par (000)		Value

Chemicals (continued)
Tronox Finance PLC, 5.75%, 10/01/25 (Call 10/01/20)^(a)(b)	$	11,322	$	10,290,792
Tronox Inc.
6.50%, 05/01/25 (Call 05/01/22)^(a)		1,130		1,137,063
6.50%, 04/15/26 (Call 04/15/21)^(a)(b)		13,839		12,506,996
Valvoline Inc.
4.25%, 02/15/30 (Call 02/15/25)^(a)		14,819		14,411,478
4.38%, 08/15/25 (Call 08/15/20)		10,054		10,154,540
WR Grace & Co.-Conn, 5.13%, 10/01/21^(a)(b)		15,830		15,928,937

				299,633,597

Commercial Services — 4.2%
ADT Security Corp. (The)
3.50%, 07/15/22		26,992		26,401,747
4.13%, 06/15/23^(b)		17,399		17,106,697
6.25%, 10/15/21^(b)		20,129		20,606,808
Allied Universal Holdco LLC/Allied Universal Finance Corp.
6.63%, 07/15/26 (Call 07/15/22)^(a)(b)		37,339		38,645,865
9.75%, 07/15/27 (Call 07/15/22)^(a)(b)		24,603		25,156,568
APX Group Inc.
6.75%, 02/15/27 (Call 02/15/23)^(a)		14,402		12,210,838
7.63%, 09/01/23 (Call 09/01/20)^(b)		10,049		8,005,033
7.88%, 12/01/22 (Call 12/01/20)		16,914		16,117,520
Avis Budget Car Rental LLC/Avis Budget Finance Inc., 5.75%, 07/15/27 (Call 07/15/22)^(a)(b)		11,809		6,863,981
Garda World Security Corp.
4.63%, 02/15/27 (Call 02/15/23)^(a)		10,859		10,560,378
9.50%, 11/01/27 (Call 11/01/22)^(a)(b)		15,468		15,595,869
Herc Holdings Inc., 5.50%, 07/15/27 (Call 07/15/22)^(a)		29,045		27,411,219
Hertz Corp. (The)
5.50%, 10/15/24 (Call 10/15/20)^(a)(b)		14,030		2,932,270
6.00%, 01/15/28 (Call 01/15/23)^(a)(b)		16,360		2,822,100
6.25%, 10/15/22 (Call 10/15/20)^(b)		11,707		2,780,413
7.13%, 08/01/26 (Call 08/01/22)^(a)		8,142		1,709,820
Jaguar Holding Co. II/Pharmaceutical Product Development LLC, 6.38%, 08/01/23 (Call 08/01/20)^(a)		28,628		29,200,560
MPH Acquisition Holdings LLC, 7.13%, 06/01/24 (Call 06/01/20)^(a)(b)		38,727		34,562,221
Nielsen Co Luxembourg Sarl/The
5.00%, 02/01/25 (Call 02/01/21)^(a)(b)		12,793		12,301,109
5.50%, 10/01/21 (Call 05/29/20)^(a)		12,157		11,989,841
Nielsen Finance LLC/Nielsen Finance Co., 5.00%, 04/15/22 (Call 04/15/21)^(a)(b)		55,009		54,118,954
Prime Security Services Borrower LLC/Prime Finance Inc.
5.25%, 04/15/24^(a)(b)		20,694		20,286,535
5.75%, 04/15/26^(a)(b)		26,303		25,850,588
6.25%, 01/15/28 (Call 01/15/23)^(a)		32,235		28,924,466
Refinitiv U.S. Holdings Inc.
6.25%, 05/15/26 (Call 11/15/21)^(a)(b)		31,382		33,467,962
8.25%, 11/15/26 (Call 11/15/21)^(a)		37,853		41,117,821
Service Corp. International/U.S.
4.63%, 12/15/27 (Call 12/15/22)^(b)		11,970		12,241,599
5.13%, 06/01/29 (Call 06/01/24)^(b)		15,942		16,699,245
5.38%, 05/15/24 (Call 05/15/20)^(b)		19,977		20,334,930
ServiceMaster Co. LLC (The), 5.13%, 11/15/24 (Call 11/15/20)^(a)		15,421		15,652,315
United Rentals North America Inc. 3.88%, 11/15/27 (Call 11/15/22)		17,008		16,710,360


Security	Par (000)		Value

Commercial Services (continued)
4.00%, 07/15/30 (Call 07/15/25)^(b)	$	17,512	$	16,473,789
4.63%, 10/15/25 (Call 10/15/20)^(b)		18,206		17,831,535
4.88%, 01/15/28 (Call 01/15/23)^(b)		38,955		38,817,166
5.25%, 01/15/30 (Call 01/15/25)^(b)		16,997		16,966,648
5.50%, 07/15/25 (Call 07/15/20)^(b)		21,894		22,167,675
5.50%, 05/15/27 (Call 05/15/22)^(b)		23,612		23,760,347
5.88%, 09/15/26 (Call 09/15/21)		23,086		23,702,858
6.50%, 12/15/26 (Call 12/15/21)^(b)		26,509		27,577,692
Verscend Escrow Corp., 9.75%, 08/15/26 (Call 08/15/21)^(a)(b)		27,065		28,170,153

				823,853,495

Computers — 1.4%
Banff Merger Sub Inc., 9.75%, 09/01/26 (Call 09/01/21)^(a)(b)		36,017		32,325,258
Dell Inc., 4.63%, 04/01/21^(b)		2,774		2,794,219
Dell International LLC/EMC Corp.
5.88%, 06/15/21 (Call 06/15/20)^(a)(b)		17,595		17,632,775
7.13%, 06/15/24 (Call 06/15/20)^(a)(b)		39,506		41,135,622
EMC Corp., 3.38%, 06/01/23 (Call 03/01/23)^(b)		26,866		26,731,670
Exela Intermediate LLC/Exela Finance Inc., 10.00%, 07/15/23 (Call 07/15/20)^(a)(b)		13,981		2,442,481
NCR Corp.
5.00%, 07/15/22 (Call 07/15/20)		14,300		14,264,250
5.75%, 09/01/27 (Call 09/01/22)^(a)(b)		11,755		11,784,388
6.13%, 09/01/29 (Call 09/01/24)^(a)(b)		14,065		14,062,187
6.38%, 12/15/23 (Call 12/15/20)^(b)		18,793		19,051,404
8.13%, 04/15/25 (Call 04/15/22)^(a)		8,580		9,094,800
Vericast Corp.
8.38%, 08/15/22 (Call 02/15/21)^(a)(b)		13,506		9,791,850
9.25%, 03/01/21 (Call 05/29/20)^(a)(b)		4,619		4,620,239
Vericast Corp./Harland Clarke/Checks in the Mail/Valassis Comm/Valassis Direct, 12.50%, 05/01/24 (Call 12/20/20)^(a)(b)		6,635		6,800,807
Western Digital Corp., 4.75%, 02/15/26 (Call 11/15/25)^(b)		54,655		55,867,248

				268,399,198

Cosmetics & Personal Care — 0.3%
Avon International Capital PLC, 6.50%, 08/15/22 (Call 08/15/20)^(a)		9,981		9,391,497
Avon International Operations Inc., 7.88%, 08/15/22 (Call 08/15/20)^(a)(b)		10,703		10,442,061
Avon Products Inc., 7.00%, 03/15/23		12,578		11,980,545
Edgewell Personal Care Co.
4.70%, 05/19/21^(b)		6,707		6,767,766
4.70%, 05/24/22^(b)		13,751		13,877,051

				52,458,920

Distribution & Wholesale — 0.5%
American Builders & Contractors Supply Co. Inc.
4.00%, 01/15/28 (Call 01/15/23)^(a)(b)		16,936		16,179,130
5.88%, 05/15/26 (Call 05/15/21)^(a)(b)		14,769		14,777,271
Anixter Inc., 5.13%, 10/01/21^(b)		6,390		6,490,110
Performance Food Group Inc., 5.50%, 10/15/27 (Call 10/15/22)^(a)(b)		26,714		25,533,508
Wolverine Escrow LLC
8.50%, 11/15/24 (Call 11/15/21)^(a)		16,511		11,310,035
9.00%, 11/15/26 (Call 11/15/22)^(a)(b)		20,514		14,272,698
13.13%, 11/15/27 (Call 11/15/22)^(a)(b)		12,419		7,314,791

				95,877,543


Security	Par (000)		Value

Diversified Financial Services — 2.7%
AerCap Holdings NV, 5.88%, 10/10/79 (Call 10/10/24)^(c)	$	16,016	$	10,637,294
Ally Financial Inc., 5.75%, 11/20/25 (Call 10/20/25)^(b)		26,017		26,561,640
Credit Acceptance Corp.
5.13%, 12/31/24 (Call 12/31/21)^(a)(b)		10,059		8,960,892
6.63%, 03/15/26 (Call 03/15/22)		9,891		8,901,900
LPL Holdings Inc.
4.63%, 11/15/27 (Call 11/15/22)^(a)		10,124		9,605,145
5.75%, 09/15/25 (Call 03/15/21)^(a)(b)		22,383		22,103,212
Nationstar Mortgage Holdings Inc.
6.00%, 01/15/27 (Call 01/15/23)^(a)(b)		14,725		12,663,500
8.13%, 07/15/23 (Call 07/15/20)^(a)		23,622		22,677,120
9.13%, 07/15/26 (Call 07/15/21)^(a)(b)		17,878		17,100,259
Navient Corp.
5.00%, 03/15/27 (Call 09/15/26)^(b)		17,629		14,887,690
5.50%, 01/25/23^(b)		25,497		23,520,982
5.88%, 10/25/24^(b)		11,020		9,943,140
6.13%, 03/25/24^(b)		20,288		18,616,472
6.50%, 06/15/22		24,973		24,022,528
6.63%, 07/26/21		8,669		8,625,655
6.75%, 06/25/25		11,414		10,557,950
6.75%, 06/15/26		11,556		10,507,871
7.25%, 01/25/22^(b)		18,982		18,602,360
7.25%, 09/25/23		12,482		11,951,515
Quicken Loans Inc.
5.25%, 01/15/28 (Call 01/15/23)^(a)(b)		24,171		23,685,163
5.75%, 05/01/25 (Call 05/01/20)^(a)(b)		30,026		29,425,480
Springleaf Finance Corp.
5.38%, 11/15/29 (Call 05/15/29)		19,063		15,955,538
5.63%, 03/15/23^(b)		21,333		20,067,243
6.13%, 05/15/22		23,632		23,336,600
6.13%, 03/15/24 (Call 09/15/23)		31,085		29,118,874
6.63%, 01/15/28 (Call 07/15/27)		18,552		16,372,140
6.88%, 03/15/25^(b)		28,182		26,528,421
7.13%, 03/15/26^(b)		37,291		34,727,244
7.75%, 10/01/21^(b)		12,557		12,424,157

				522,087,985

Electric — 2.8%
AES Corp. (The)
4.00%, 03/15/21^(b)		6,290		6,293,318
4.50%, 03/15/23 (Call 03/15/21)^(b)		13,596		13,672,410
4.88%, 05/15/23 (Call 05/15/20)^(b)		15,259		15,370,391
5.13%, 09/01/27 (Call 09/01/22)^(b)		14,251		14,749,785
5.50%, 04/15/25 (Call 04/15/21)^(b)		12,775		13,190,187
6.00%, 05/15/26 (Call 05/15/21)^(b)		12,638		13,269,900
Calpine Corp.
4.50%, 02/15/28 (Call 02/15/23)^(a)(b)		29,733		28,847,551
5.13%, 03/15/28 (Call 03/15/23)^(a)		32,508		31,695,300
5.25%, 06/01/26 (Call 06/01/21)^(a)(b)		28,043		28,612,273
5.50%, 02/01/24 (Call 02/01/21)^(b)		15,184		15,259,920
5.75%, 01/15/25 (Call 10/15/20)^(b)		27,984		27,969,784
Clearway Energy Operating LLC
4.75%, 03/15/28 (Call 03/15/23)^(a)(b)		13,572		13,813,626
5.75%, 10/15/25 (Call 10/15/21)^(b)		14,347		14,889,317
DPL Inc.
4.35%, 04/15/29 (Call 01/15/29)^(a)		593		578,365
4.35%, 04/15/29 (Call 01/15/29)^(b)		6,279		6,124,034
NextEra Energy Operating Partners LP
3.88%, 10/15/26 (Call 07/15/26)^(a)(b)		12,574		12,420,597
4.25%, 07/15/24 (Call 04/15/24)^(a)(b)		16,008		16,128,060


Security	Par (000)		Value

Electric (continued)
4.25%, 09/15/24 (Call 07/15/24)^(a)(b)	$	12,381	$	12,564,239
4.50%, 09/15/27 (Call 06/15/27)^(a)(b)		13,036		13,378,195
NRG Energy Inc.
5.25%, 06/15/29 (Call 06/15/24)^(a)(b)		17,666		19,049,778
5.75%, 01/15/28 (Call 01/15/23)^(b)		20,002		21,513,489
6.63%, 01/15/27 (Call 07/15/21)^(b)		30,184		32,157,297
7.25%, 05/15/26 (Call 05/15/21)^(b)		25,501		27,413,575
Talen Energy Supply LLC
6.50%, 06/01/25 (Call 06/01/20)^(b)		14,161		9,771,090
6.63%, 01/15/28 (Call 01/15/23)^(a)		8,455		8,011,112
7.25%, 05/15/27 (Call 05/15/22)^(a)(b)		18,284		18,284,000
10.50%, 01/15/26 (Call 01/15/22)^(a)		16,002		13,085,748
Vistra Energy Corp., 5.88%, 06/01/23 (Call 06/01/20)^(b)		10,692		10,750,779
Vistra Operations Co. LLC
5.00%, 07/31/27 (Call 07/31/22)^(a)(b)		30,539		31,184,900
5.50%, 09/01/26 (Call 09/01/21)^(a)(b)		24,285		24,992,585
5.63%, 02/15/27 (Call 02/15/22)^(a)(b)		31,485		32,980,537

				548,022,142

Electrical Components & Equipment — 0.3%
Energizer Holdings Inc.
5.50%, 06/15/25 (Call 06/15/20)^(a)(b)		15,764		16,071,398
6.38%, 07/15/26 (Call 07/15/21)^(a)(b)		18,207		18,933,460
7.75%, 01/15/27 (Call 01/15/22)^(a)(b)		14,531		15,392,688

				50,397,546

Electronics — 0.2%
Sensata Technologies BV
4.38%, 02/15/30 (Call 11/15/29)^(a)(b)		10,789		10,627,165
4.88%, 10/15/23^(a)(b)		9,890		9,942,982
5.00%, 10/01/25^(a)(b)		17,481		17,427,683
5.63%, 11/01/24^(a)		9,740		9,891,511

				47,889,341

Energy – Alternate Sources — 0.2%
TerraForm Power Operating LLC
4.25%, 01/31/23 (Call 10/31/22)^(a)		11,301		11,577,874
4.75%, 01/15/30 (Call 01/15/25)^(a)		17,380		17,825,276
5.00%, 01/31/28 (Call 07/31/27)^(a)(b)		15,800		16,510,684

				45,913,834

Engineering & Construction — 0.3%
AECOM
5.13%, 03/15/27 (Call 12/15/26)^(b)		20,899		21,199,319
5.88%, 10/15/24 (Call 07/15/24)^(b)		18,126		19,285,611
Brand Industrial Services Inc., 8.50%, 07/15/25 (Call 07/15/20)^(a)(b)		24,784		18,330,692

				58,815,622

Entertainment — 2.4%
AMC Entertainment Holdings Inc.
5.75%, 06/15/25 (Call 06/15/20)^(b)		10,264		2,412,040
5.88%, 11/15/26 (Call 11/15/21)^(b)		10,367		2,264,542
6.13%, 05/15/27 (Call 05/15/22)^(b)		7,389		1,618,191
10.50%, 04/15/25 (Call 04/15/22)^(a)		8,435		7,433,344
Caesars Resort Collection LLC/CRC Finco Inc., 5.25%, 10/15/25 (Call 10/15/20)^(a)(b)		40,570		31,848,261
Cedar Fair LP, 5.25%, 07/15/29 (Call 07/15/24)^(a)(b)		12,054		10,326,260
Cedar Fair LP/Canada’s Wonderland Co./Magnum Management Corp., 5.38%, 06/01/24 (Call 06/01/20)^(b)		11,173		10,400,015


Security	Par (000)		Value

Entertainment (continued)
Cedar Fair LP/Canada’s Wonderland Co./Magnum Management Corp./Millennium Op
5.38%, 04/15/27 (Call 04/15/22)^(b)	$	13,334	$	11,867,260
5.50%, 05/01/25 (Call 05/01/22)^(a)		11,142		11,142,000
Churchill Downs Inc.
4.75%, 01/15/28 (Call 01/15/23)^(a)(b)		13,228		12,306,008
5.50%, 04/01/27 (Call 04/01/22)^(a)		15,301		14,722,316
Cinemark USA Inc.
4.88%, 06/01/23 (Call 06/01/20)^(b)		19,167		16,100,280
5.13%, 12/15/22 (Call 12/15/20)^(b)		8,974		7,560,595
Eldorado Resorts Inc.
6.00%, 04/01/25 (Call 04/01/21)^(b)		21,373		20,571,513
6.00%, 09/15/26 (Call 09/15/21)^(b)		14,309		14,376,252
International Game Technology PLC
6.25%, 02/15/22 (Call 08/15/21)^(a)(b)		35,420		34,613,416
6.25%, 01/15/27 (Call 07/15/26)^(a)(b)		17,143		16,462,594
6.50%, 02/15/25 (Call 08/15/24)^(a)(b)		24,864		24,366,471
Lions Gate Capital Holdings LLC
5.88%, 11/01/24 (Call 11/01/20)^(a)(b)		11,517		10,480,470
6.38%, 02/01/24 (Call 02/01/21)^(a)(b)		12,385		11,522,385
Live Nation Entertainment Inc.
4.75%, 10/15/27 (Call 10/15/22)^(a)(b)		22,538		18,998,326
4.88%, 11/01/24 (Call 11/01/20)^(a)(b)		14,215		12,651,350
Scientific Games International Inc.
5.00%, 10/15/25 (Call 10/15/20)^(a)		30,084		26,169,169
7.00%, 05/15/28 (Call 05/15/23)^(a)(b)		16,202		11,685,652
7.25%, 11/15/29 (Call 11/15/24)^(a)(b)		11,264		8,006,826
8.25%, 03/15/26 (Call 03/15/22)^(a)(b)		26,740		20,144,132
Six Flags Entertainment Corp.
4.88%, 07/31/24 (Call 07/31/20)^(a)(b)		25,583		22,518,157
5.50%, 04/15/27 (Call 04/15/22)^(a)(b)		12,570		10,922,433
Six Flags Theme Parks Inc., 7.00%, 07/01/25 (Call 07/01/22)^(a)		15,865		16,536,090
Stars Group Holdings BV/Stars Group US Co-Borrower LLC, 7.00%, 07/15/26 (Call 07/15/21)^(a)		24,118		24,957,306
Wynn Resorts Finance LLC/Wynn Resorts Capital Corp.
5.13%, 10/01/29 (Call 07/01/29)^(a)(b)		6,400		6,002,268
7.75%, 04/15/25 (Call 04/15/22)^(a)		8,500		8,672,189

				459,658,111

Environmental Control — 0.3%
Covanta Holding Corp.
5.88%, 03/01/24 (Call 03/01/21)		7,777		7,666,852
5.88%, 07/01/25 (Call 07/01/20)^(b)		9,720		9,404,100
6.00%, 01/01/27 (Call 01/01/22)^(b)		9,092		8,720,202
GFL Environmental Inc.
4.25%, 06/01/25 (Call 06/01/22)^(a)		5,715		5,743,575
5.13%, 12/15/26 (Call 12/15/22)^(a)		13,273		13,791,310
7.00%, 06/01/26 (Call 06/01/21)^(a)(b)		10,448		10,954,031
8.50%, 05/01/27 (Call 05/01/22)^(a)(b)		5,530		6,020,456

				62,300,526

Food — 3.0%
Albertsons Companies Inc./Safeway Inc./New Albertsons LP/Albertsons LLC
3.50%, 02/15/23 (Call 12/15/22)^(a)(b)		18,416		18,534,967
4.63%, 01/15/27 (Call 01/15/22)^(a)		32,000		32,298,080
4.88%, 02/15/30 (Call 02/15/25)^(a)		21,458		21,748,756
5.75%, 03/15/25 (Call 09/15/20)		31,559		32,232,785


Security	Par (000)		Value

Food (continued)
5.88%, 02/15/28 (Call 08/15/22)^(a)	$	18,794	$	19,603,082
6.63%, 06/15/24 (Call 06/15/20)^(b)		30,178		31,133,638
7.50%, 03/15/26 (Call 03/15/22)^(a)(b)		15,302		16,736,562
B&G Foods Inc.
5.25%, 04/01/25 (Call 04/01/21)^(b)		21,791		22,063,387
5.25%, 09/15/27 (Call 03/01/22)^(b)		12,964		13,156,904
JBS USA LUX SA/JBS USA Finance Inc.
5.75%, 06/15/25 (Call 06/15/20)^(a)(b)		23,816		24,478,085
5.88%, 07/15/24 (Call 07/15/20)^(a)		22,287		22,651,950
6.75%, 02/15/28 (Call 02/15/23)^(a)		22,239		23,564,667
JBS USA LUX SA/JBS USA Food Co./JBS USA Finance Inc.
5.50%, 01/15/30 (Call 01/15/25)^(a)(b)		28,978		29,630,005
6.50%, 04/15/29 (Call 04/15/24)^(a)(b)		34,132		35,983,661
Lamb Weston Holdings Inc.
4.63%, 11/01/24 (Call 11/01/21)^(a)(b)		20,585		20,999,170
4.88%, 11/01/26 (Call 11/01/21)^(a)(b)		20,352		20,453,760
Pilgrim’s Pride Corp.
5.75%, 03/15/25 (Call 03/15/21)^(a)(b)		24,197		24,442,116
5.88%, 09/30/27 (Call 09/30/22)^(a)(b)		21,446		21,794,497
Post Holdings Inc.
4.63%, 04/15/30 (Call 04/15/25)^(a)		29,491		28,914,156
5.00%, 08/15/26 (Call 08/15/21)^(a)		40,623		40,631,397
5.50%, 12/15/29 (Call 12/15/24)^(a)		17,835		17,912,773
5.63%, 01/15/28 (Call 12/01/22)^(a)(b)		22,265		22,654,637
5.75%, 03/01/27 (Call 03/01/22)^(a)(b)		32,124		32,899,820
U.S. Foods Inc.
5.88%, 06/15/24 (Call 06/15/20)^(a)		5,650		5,380,608
6.25%, 04/15/25 (Call 04/15/22)^(a)		10,325		10,557,313

				590,456,776

Food Service — 0.3%
Aramark Services Inc.
4.75%, 06/01/26 (Call 06/01/21)		12,786		12,252,270
5.00%, 04/01/25 (Call 04/01/21)^(a)(b)		14,782		14,338,540
5.00%, 02/01/28 (Call 02/01/23)^(a)(b)		28,480		27,696,800
6.38%, 05/01/25 (Call 05/01/22)^(a)(b)		10,720		11,148,800

				65,436,410

Forest Products & Paper — 0.1%
Mercer International Inc., 7.38%, 01/15/25 (Call 01/15/21)		13,612		13,203,640


Gas — 0.3%
AmeriGas Partners LP/AmeriGas Finance Corp.
5.50%, 05/20/25 (Call 02/20/25)		15,974		16,184,737
5.63%, 05/20/24 (Call 03/20/24)		16,648		16,980,960
5.75%, 05/20/27 (Call 02/20/27)		12,857		13,066,248
5.88%, 08/20/26 (Call 05/20/26)^(b)		14,488		14,789,833

				61,021,778

Hand & Machine Tools — 0.1%
Colfax Corp.
6.00%, 02/15/24 (Call 02/15/21)^(a)		15,217		15,429,087
6.38%, 02/15/26 (Call 02/15/22)^(a)(b)		10,618		10,901,147

				26,330,234

Health Care – Products — 0.6%
Avantor Inc.
6.00%, 10/01/24 (Call 10/01/20)^(a)(b)		37,131		39,177,661
9.00%, 10/01/25 (Call 10/01/20)^(a)(b)		48,366		52,448,733


Security	Par (000)		Value

Health Care – Products (continued)
Hologic Inc.
4.38%, 10/15/25 (Call 10/15/20)^(a)	$	23,589	$	23,824,890
4.63%, 02/01/28 (Call 02/01/23)^(a)(b)		9,295		9,434,425

				124,885,709

Health Care – Services — 8.1%
Acadia Healthcare Co. Inc., 5.63%, 02/15/23 (Call 02/15/21)		16,274		15,582,355
Centene Corp.
3.38%, 02/15/30 (Call 02/15/25)^(a)		41,405		41,678,273
4.25%, 12/15/27 (Call 12/15/22)^(a)		50,022		52,241,726
4.63%, 12/15/29 (Call 12/15/24)^(a)		73,743		80,745,488
4.75%, 05/15/22 (Call 05/15/20)^(b)		24,224		24,499,306
4.75%, 01/15/25 (Call 01/15/21)^(b)		29,719		30,628,996
4.75%, 01/15/25 (Call 01/15/21)^(a)		20,330		20,952,505
5.25%, 04/01/25 (Call 04/01/21)^(a)(b)		28,138		29,333,865
5.38%, 06/01/26 (Call 06/01/21)^(a)		43,185		45,778,259
5.38%, 08/15/26 (Call 08/15/21)^(a)(b)		18,274		19,463,637
Charles River Laboratories International Inc.
4.25%, 05/01/28 (Call 05/01/23)^(a)		12,144		12,250,260
5.50%, 04/01/26 (Call 04/01/21)^(a)		12,363		12,887,191
CHS/Community Health Systems Inc.
6.25%, 03/31/23 (Call 03/31/21)^(b)		75,351		70,829,940
6.63%, 02/15/25 (Call 02/15/22)^(a)		35,353		32,524,760
6.88%, 04/01/28 (Call 04/01/23)^(a)(b)		31,833		10,982,385
8.00%, 03/15/26 (Call 03/15/22)^(a)(b)		50,633		48,535,781
8.00%, 12/15/27 (Call 12/15/22)^(a)		17,586		16,596,788
8.13%, 06/30/24 (Call 06/30/21)^(a)(b)		33,581		22,738,051
8.63%, 01/15/24 (Call 01/15/21)^(a)		25,295		24,565,201
9.88%, 06/30/23 (Call 06/30/20)^(a)(e)		36,573		26,899,442
DaVita Inc.
5.00%, 05/01/25 (Call 05/01/20)^(b)		37,029		37,630,629
5.13%, 07/15/24 (Call 07/15/20)^(b)		42,326		42,960,890
Encompass Health Corp.
4.50%, 02/01/28 (Call 02/01/23)^(b)		12,402		12,456,197
4.75%, 02/01/30 (Call 02/01/25)		12,384		12,327,198
5.75%, 11/01/24 (Call 11/01/20)^(b)		17,914		17,981,178
HCA Inc.
3.50%, 09/01/30 (Call 03/01/30)		62,440		59,747,587
5.38%, 02/01/25^(b)		60,456		65,010,151
5.38%, 09/01/26 (Call 03/01/26)^(b)		24,642		26,943,932
5.63%, 09/01/28 (Call 03/01/28)^(b)		36,023		40,018,934
5.88%, 05/01/23^(b)		28,120		30,088,400
5.88%, 02/15/26 (Call 08/15/25)		34,906		38,658,395
5.88%, 02/01/29 (Call 08/01/28)^(b)		24,578		28,254,869
IQVIA Inc.
5.00%, 10/15/26 (Call 10/15/21)^(a)		25,404		26,133,920
5.00%, 05/15/27 (Call 05/15/22)^(a)		25,961		26,739,830
Life Point Health Inc.
4.38%, 02/15/27 (Call 02/15/22)^(a)		15,474		14,550,202
6.75%, 04/15/25 (Call 04/15/22)^(a)		10,510		10,825,300
MEDNAX Inc.
5.25%, 12/01/23 (Call 12/01/20)^(a)(b)		17,503		16,540,335
6.25%, 01/15/27 (Call 01/15/22)^(a)(b)		23,944		21,679,855
Molina Healthcare Inc., 5.38%, 11/15/22 (Call 08/15/22)		15,955		16,493,481
RegionalCare Hospital Partners Holdings Inc./LifePoint Health Inc., 9.75%, 12/01/26 (Call 12/01/21)^(a)(b)		31,961		34,198,270
Select Medical Corp., 6.25%, 08/15/26 (Call 08/15/22)^(a)		29,755		28,657,041


Security	Par (000)		Value

Health Care – Services (continued)
Tenet Healthcare Corp.
4.63%, 07/15/24 (Call 07/15/20)^(b)	$	45,297	$	44,495,243
4.63%, 09/01/24 (Call 09/01/21)^(a)		15,077		14,779,585
4.88%, 01/01/26 (Call 03/01/22)^(a)		47,864		46,906,720
5.13%, 05/01/25 (Call 05/01/20)		31,848		29,774,695
5.13%, 11/01/27 (Call 11/01/22)^(a)(b)		35,393		34,951,030
6.25%, 02/01/27 (Call 02/01/22)^(a)(b)		35,611		34,973,563
6.75%, 06/15/23^(b)		45,615		45,569,385
7.00%, 08/01/25 (Call 08/01/20)^(b)		11,273		10,483,890
7.50%, 04/01/25 (Call 04/01/22)^(a)		12,235		13,107,610
8.13%, 04/01/22^(b)		65,909		66,077,068

				1,588,729,592

Holding Companies - Diversified — 0.7%
Icahn Enterprises LP/Icahn Enterprises Finance Corp.
4.75%, 09/15/24 (Call 06/15/24)		25,923		24,367,620
5.25%, 05/15/27 (Call 11/15/26)		21,208		20,147,600
6.25%, 02/01/22 (Call 02/01/21)		29,298		29,746,552
6.25%, 05/15/26 (Call 05/15/22)^(b)		30,065		29,510,902
6.38%, 12/15/25 (Call 12/15/20)		18,402		18,049,602
6.75%, 02/01/24 (Call 02/01/21)^(b)		13,124		13,146,967
Stena AB, 7.00%, 02/01/24^(a)		12,317		10,962,130

				145,931,373

Home Builders — 1.5%
Brookfield Residential Properties Inc./Brookfield Residential U.S. Corp.
4.88%, 02/15/30 (Call 02/15/25)^(a)		12,642		10,429,650
6.25%, 09/15/27 (Call 09/15/22)^(a)		14,731		13,519,148
KB Home, 7.00%, 12/15/21 (Call 09/15/21)^(b)		10,710		11,084,850
Lennar Corp.
4.13%, 01/15/22 (Call 10/15/21)^(b)		15,315		15,375,647
4.50%, 04/30/24 (Call 01/30/24)^(b)		16,562		16,855,368
4.75%, 04/01/21 (Call 02/01/21)		5,215		5,244,204
4.75%, 11/15/22 (Call 08/15/22)		14,223		14,440,399
4.75%, 05/30/25 (Call 02/28/25)^(b)		11,583		11,901,185
4.75%, 11/29/27 (Call 05/29/27)^(b)		20,927		21,566,724
4.88%, 12/15/23 (Call 09/15/23)^(b)		11,093		11,350,151
5.88%, 11/15/24 (Call 05/15/24)^(b)		10,251		10,891,688
Mattamy Group Corp.
4.63%, 03/01/30 (Call 03/01/25)^(a)		8,009		7,081,291
5.25%, 12/15/27 (Call 12/15/22)^(a)(b)		11,478		10,760,625
Meritage Homes Corp., 6.00%, 06/01/25 (Call 03/01/25)^(b)		11,117		11,422,717
PulteGroup Inc.
4.25%, 03/01/21 (Call 02/01/21)		3,708		3,755,926
5.00%, 01/15/27 (Call 10/15/26)^(b)		14,859		15,378,873
5.50%, 03/01/26 (Call 12/01/25)^(b)		16,445		17,510,044
Taylor Morrison Communities Inc.
5.75%, 01/15/28 (Call 10/15/27)^(a)(b)		10,266		9,290,730
5.88%, 01/31/25 (Call 01/31/21)^(a)		4,209		3,938,614
5.88%, 06/15/27 (Call 03/15/27)^(a)(b)		12,288		11,304,960
Toll Brothers Finance Corp.
3.80%, 11/01/29 (Call 08/01/29)^(b)		9,741		9,107,835
4.35%, 02/15/28 (Call 11/15/27)^(b)		9,724		9,578,140
4.38%, 04/15/23 (Call 01/15/23)^(b)		10,548		10,574,370
4.88%, 03/15/27 (Call 12/15/26)^(b)		10,668		10,801,350
5.88%, 02/15/22 (Call 11/15/21)		9,905		10,189,769
TRI Pointe Group Inc./TRI Pointe Homes Inc., 5.88%, 06/15/24		11,673		11,454,131

				294,808,389


Security	Par (000)		Value

Home Furnishings — 0.1%
Tempur Sealy International Inc.
5.50%, 06/15/26 (Call 06/15/21)^(b)	$	14,862	$	14,265,142
5.63%, 10/15/23 (Call 10/15/20)^(b)		11,068		10,924,460

				25,189,602

Household Products & Wares — 0.3%
Prestige Brands Inc.
5.13%, 01/15/28 (Call 01/15/23)^(a)		10,159		10,352,021
6.38%, 03/01/24 (Call 03/01/21)^(a)(b)		15,086		15,519,723
Spectrum Brands Inc., 5.75%, 07/15/25 (Call 07/15/20)^(b)		24,209		24,148,477

				50,020,221

Housewares — 0.4%
Newell Brands Inc.
4.35%, 04/01/23 (Call 02/01/23)^(b)		33,887		34,480,023
4.70%, 04/01/26 (Call 01/01/26)^(b)		47,393		47,669,301

				82,149,324

Insurance — 0.5%
Acrisure LLC/Acrisure Finance Inc.
7.00%, 11/15/25 (Call 11/15/20)^(a)(b)		22,504		20,159,833
8.13%, 02/15/24 (Call 02/15/21)^(a)(b)		20,610		21,030,788
10.13%, 08/01/26 (Call 08/01/22)^(a)(b)		10,376		10,428,502
Genworth Holdings Inc., 7.63%, 09/24/21		14,052		13,349,400
HUB International Ltd., 7.00%, 05/01/26 (Call 05/01/21)^(a)(b)		32,372		32,624,502

				97,593,025

Internet — 2.4%
Match Group Inc.
4.13%, 08/01/30 (Call 05/01/25)^(a)		12,550		12,130,349
5.00%, 12/15/27 (Call 12/15/22)^(a)(b)		10,988		11,479,164
6.38%, 06/01/24 (Call 06/01/20)		10,969		11,298,070
Netflix Inc.
3.63%, 06/15/25 (Call 03/15/25)^(a)		4,785		4,850,794
4.38%, 11/15/26^(b)		26,738		28,272,761
4.88%, 04/15/28^(b)		38,457		41,037,026
4.88%, 06/15/30 (Call 03/15/30)^(a)(b)		23,449		25,054,834
5.38%, 02/01/21^(b)		294		299,275
5.38%, 11/15/29^(a)(b)		20,543		22,640,097
5.50%, 02/15/22		17,659		18,365,360
5.75%, 03/01/24^(b)		9,014		9,824,359
5.88%, 02/15/25^(b)		19,297		21,181,474
5.88%, 11/15/28^(b)		44,971		50,711,679
6.38%, 05/15/29^(b)		19,787		23,062,144
NortonLifeLock Inc.
3.95%, 06/15/22 (Call 03/15/22)		10,256		10,413,430
5.00%, 04/15/25 (Call 04/15/21)^(a)		27,693		27,895,112
Photo Holdings Merger Sub Inc., 8.50%, 10/01/26 (Call 10/01/22)^(a)		19,219		16,773,382
Uber Technologies Inc.
7.50%, 11/01/23 (Call 11/01/20)^(a)(b)		12,688		12,718,197
7.50%, 09/15/27 (Call 09/15/22)^(a)(b)		27,562		28,020,356
8.00%, 11/01/26 (Call 11/01/21)^(a)		35,262		36,124,449
VeriSign Inc.
4.63%, 05/01/23 (Call 05/01/20)^(b)		15,767		15,863,168
4.75%, 07/15/27 (Call 07/15/22)^(b)		16,250		17,309,662
5.25%, 04/01/25 (Call 01/01/25)^(b)		12,692		13,878,385

				459,203,527

Iron & Steel — 0.3%
Allegheny Technologies Inc., 7.88%, 08/15/23 (Call 05/15/23)^(b)		12,996		11,866,972


Security	Par (000)		Value

Iron & Steel (continued)
Cleveland-Cliffs Inc.
4.88%, 01/15/24 (Call 01/15/21)^(a)	$	9,778	$	8,409,080
6.75%, 03/15/26 (Call 03/04/23)^(a)		5,317		4,639,082
9.88%, 10/17/25 (Call 10/17/22)^(a)		19,784		19,487,240
U.S. Steel Corp.
6.25%, 03/15/26 (Call 03/15/21)^(b)		17,547		11,134,449
6.88%, 08/15/25 (Call 08/15/20)^(b)		16,507		11,256,647

				66,793,470

Leisure Time — 0.3%
Sabre GLBL Inc.
5.25%, 11/15/23 (Call 11/15/20)^(a)(b)		13,638		12,683,340
5.38%, 04/15/23 (Call 04/15/21)^(a)(b)		13,380		12,400,584
9.25%, 04/15/25 (Call 03/16/25)^(a)		14,770		15,600,812
Viking Cruises Ltd., 5.88%, 09/15/27 (Call 09/15/22)^(a)		20,234		13,570,606
VOC Escrow Ltd., 5.00%, 02/15/28 (Call 02/15/23)^(a)		16,836		12,795,360

				67,050,702

Lodging — 2.4%
Boyd Gaming Corp.
4.75%, 12/01/27 (Call 12/01/22)^(a)(b)		23,819		20,252,105
6.00%, 08/15/26 (Call 08/15/21)^(b)		16,174		14,597,008
6.38%, 04/01/26 (Call 04/01/21)^(b)		18,363		16,641,469
Diamond Resorts International Inc.
7.75%, 09/01/23 (Call 09/01/20)^(a)(b)		11,818		9,554,853
10.75%, 09/01/24 (Call 09/01/20)^(a)		14,375		9,113,750
Hilton Domestic Operating Co. Inc.
4.25%, 09/01/24 (Call 09/01/20)		22,572		21,894,840
4.88%, 01/15/30 (Call 01/15/25)		23,196		22,096,408
5.13%, 05/01/26 (Call 05/01/21)		34,778		34,336,319
5.38%, 05/01/25 (Call 05/01/22)^(a)		7,855		7,856,964
5.75%, 05/01/28 (Call 05/01/23)^(a)		8,610		8,675,436
Hilton Worldwide Finance LLC/Hilton Worldwide Finance Corp.
4.63%, 04/01/25 (Call 04/01/21)		23,306		22,825,430
4.88%, 04/01/27 (Call 04/01/22)		15,861		15,388,659
Marriott Ownership Resorts Inc./ILG LLC, 6.50%, 09/15/26 (Call 09/15/21)		15,120		14,291,550
Melco Resorts Finance Ltd.
4.88%, 06/06/25 (Call 06/06/20)^(a)		1,250		1,207,394
5.25%, 04/26/26 (Call 04/26/22)^(a)		500		488,750
5.63%, 07/17/27 (Call 07/17/22)^(a)		4,000		3,940,000
MGM China Holdings Ltd.
5.38%, 05/15/24 (Call 05/15/21)^(a)		7,122		6,961,007
5.88%, 05/15/26 (Call 05/15/22)^(a)(b)		4,600		4,554,000
MGM Resorts International
4.63%, 09/01/26 (Call 06/01/26)		9,211		8,311,085
5.50%, 04/15/27 (Call 01/15/27)		14,754		13,555,238
5.75%, 06/15/25 (Call 03/15/25)		15,332		14,718,873
6.00%, 03/15/23^(b)		29,160		28,262,236
6.75%, 05/01/25 (Call 05/01/22)		7,785		7,630,234
7.75%, 03/15/22		26,883		27,345,119
Station Casinos LLC
4.50%, 02/15/28 (Call 02/15/23)^(a)		17,587		14,069,600
5.00%, 10/01/25 (Call 10/01/20)^(a)(b)		13,427		11,194,090
Wyndham Destinations Inc.
3.90%, 03/01/23 (Call 12/01/22)		8,223		7,164,289
4.25%, 03/01/22 (Call 12/01/21)		16,639		15,869,446
5.75%, 04/01/27 (Call 01/01/27)		9,964		8,681,135
Wynn Las Vegas LLC/Wynn Las Vegas Capital Corp. 4.25%, 05/30/23 (Call 02/28/23)^(a)(b)		12,434		11,594,705


Security	Par (000)		Value

Lodging (continued)
5.25%, 05/15/27 (Call 02/15/27)^(a)(b)	$	22,476	$	19,159,666
5.50%, 03/01/25 (Call 12/01/24)^(a)(b)		41,149		36,438,262
Wynn Macau Ltd.
4.88%, 10/01/24 (Call 10/01/20)^(a)		4,513		4,382,394
5.50%, 10/01/27 (Call 10/01/22)^(a)		400		386,542

				463,438,856

Machinery — 0.1%
Titan Acquisition Ltd./Titan Co-Borrower LLC, 7.75%, 04/15/26 (Call 04/15/21)^(a)(b)		16,809		15,674,393


Manufacturing — 0.1%
Foxtrot Escrow Issuer LLC/Foxtrot Escrow Corp.,
12.25%, 11/15/26 (Call 11/15/22)^(a)(b)		15,801		13,035,825
FXI Holdings Inc., 7.88%, 11/01/24 (Call 11/01/20)^(a)(b)		10,866		7,932,180

				20,968,005

Media — 11.5%
Altice Financing SA
5.00%, 01/15/28 (Call 01/15/23)^(a)(b)		28,460		27,593,749
7.50%, 05/15/26 (Call 05/15/21)^(a)(b)		63,279		66,253,113
AMC Networks Inc.
4.75%, 12/15/22 (Call 12/15/20)		11,904		11,781,389
4.75%, 08/01/25 (Call 08/01/21)^(b)		20,376		18,745,920
5.00%, 04/01/24 (Call 04/01/21)		23,838		22,932,156
CCO Holdings LLC/CCO Holdings Capital Corp.
4.00%, 03/01/23 (Call 11/01/20)^(a)(b)		12,525		12,620,441
4.50%, 08/15/30 (Call 02/15/25)^(a)(b)		49,816		50,453,645
4.50%, 05/01/32 (Call 05/01/26)^(a)		5,176		5,142,033
4.75%, 03/01/30 (Call 09/01/24)^(a)(b)		70,754		72,058,527
5.00%, 02/01/28 (Call 08/01/22)^(a)(b)		60,321		61,964,747
5.13%, 05/01/23 (Call 05/01/20)^(a)		15,497		15,676,378
5.13%, 05/01/27 (Call 05/01/22)^(a)(b)		72,858		75,879,421
5.38%, 05/01/25 (Call 05/01/20)^(a)(b)		18,462		18,908,550
5.38%, 06/01/29 (Call 06/01/24)^(a)(b)		35,894		37,852,018
5.50%, 05/01/26 (Call 05/01/21)^(a)(b)		36,796		38,179,898
5.75%, 02/15/26 (Call 02/15/21)^(a)(b)		59,698		62,162,035
5.88%, 04/01/24 (Call 04/01/21)^(a)(b)		40,596		41,763,135
5.88%, 05/01/27 (Call 05/01/21)^(a)(b)		20,011		20,802,685
Clear Channel Worldwide Holdings Inc.
5.13%, 08/15/27 (Call 08/15/22)^(a)(b)		30,442		28,603,303
9.25%, 02/15/24 (Call 02/15/21)^(a)(b)		42,552		35,318,160
CSC Holdings LLC
5.25%, 06/01/24^(b)		19,219		20,065,597
5.38%, 07/15/23 (Call 07/15/20)^(a)(b)		26,610		26,909,362
5.38%, 02/01/28 (Call 02/01/23)^(a)(b)		23,837		24,643,818
5.50%, 05/15/26 (Call 05/15/21)^(a)		34,356		35,654,657
5.50%, 04/15/27 (Call 04/15/22)^(a)(b)		31,032		32,282,977
5.75%, 01/15/30 (Call 01/15/25)^(a)(b)		53,185		55,328,355
5.88%, 09/15/22		3,544		3,693,107
6.50%, 02/01/29 (Call 02/01/24)^(a)(b)		40,375		43,966,114
6.63%, 10/15/25 (Call 10/15/20)^(a)(b)		22,949		23,958,068
6.75%, 11/15/21		22,358		23,319,841
7.50%, 04/01/28 (Call 04/01/23)^(a)(b)		25,440		27,989,597
7.75%, 07/15/25 (Call 07/15/20)^(a)(b)		15,253		15,878,526
10.88%, 10/15/25 (Call 10/15/20)^(a)(b)		40,474		43,750,370
Diamond Sports Group LLC/Diamond Sports Finance Co.
5.38%, 08/15/26 (Call 08/15/22)^(a)(b)		73,531		55,883,560
6.63%, 08/15/27 (Call 08/15/22)^(a)(b)		41,062		22,481,445
DISH DBS Corp.
5.00%, 03/15/23^(b)		36,164		34,487,093


Security	Par (000)		Value

Media (continued)
5.88%, 07/15/22^(b)	$	47,961	$	48,068,912
5.88%, 11/15/24^(b)		47,856		46,029,815
6.75%, 06/01/21		33,893		33,896,389
7.75%, 07/01/26^(b)		47,669		46,967,908
Gray Television Inc.
5.13%, 10/15/24 (Call 10/15/20)^(a)(b)		13,625		13,454,688
5.88%, 07/15/26 (Call 07/15/21)^(a)(b)		17,481		16,819,169
7.00%, 05/15/27 (Call 05/15/22)^(a)(b)		17,518		17,693,180
iHeartCommunications Inc.
4.75%, 01/15/28 (Call 01/15/23)^(a)(b)		10,875		9,441,313
5.25%, 08/15/27 (Call 08/15/22)^(a)(b)		18,911		17,194,993
6.38%, 05/01/26 (Call 05/01/22)		19,583		18,554,796
8.38%, 05/01/27 (Call 05/01/22)^(b)		34,002		28,221,405
LCPR Senior Secured Financing DAC, 6.75%, 10/15/27 (Call 10/15/22)^(a)(b)		28,411		29,828,709
Meredith Corp., 6.88%, 02/01/26 (Call 02/01/21)^(b)		32,061		27,204,977
Nexstar Broadcasting Inc.
5.63%, 08/01/24 (Call 08/01/20)^(a)(b)		21,061		20,534,475
5.63%, 07/15/27 (Call 07/15/22)^(a)(b)		42,814		40,786,757
Quebecor Media Inc., 5.75%, 01/15/23^(b)		21,934		22,983,689
Sinclair Television Group Inc.
5.13%, 02/15/27 (Call 08/15/21)^(a)(b)		11,287		9,501,602
5.50%, 03/01/30 (Call 12/01/24)^(a)		11,411		9,471,130
5.63%, 08/01/24 (Call 08/01/20)^(a)(b)		13,805		12,598,719
Sirius XM Radio Inc.
3.88%, 08/01/22 (Call 08/01/20)^(a)(b)		25,002		25,156,190
4.63%, 05/15/23 (Call 05/15/20)^(a)(b)		12,683		12,762,269
4.63%, 07/15/24 (Call 07/15/21)^(a)(b)		36,005		36,800,710
5.00%, 08/01/27 (Call 08/01/22)^(a)(b)		34,675		35,547,146
5.38%, 04/15/25 (Call 04/15/21)^(a)(b)		24,602		25,370,812
5.38%, 07/15/26 (Call 07/15/21)^(a)(b)		24,606		25,534,138
5.50%, 07/01/29 (Call 07/01/24)^(a)(b)		30,555		32,223,303
TEGNA Inc.
4.63%, 03/15/28 (Call 03/15/23)^(a)		23,928		21,335,018
5.00%, 09/15/29 (Call 09/15/24)^(a)(b)		26,735		23,770,623
Telenet Finance Luxembourg Note Sarl, 5.50%, 03/01/28 (Call 12/01/22)^(a)		21,400		22,197,150
Univision Communications Inc.
5.13%, 05/15/23 (Call 05/15/20)^(a)(b)		27,255		25,977,376
5.13%, 02/15/25 (Call 02/15/21)^(a)(b)		35,974		31,864,258
UPC Holding BV, 5.50%, 01/15/28 (Call 10/15/22)^(a)		2,230		2,160,424
ViacomCBS Inc.
5.88%, 02/28/57 (Call 02/28/22)^(b)(c)		16,036		14,769,156
6.25%, 02/28/57 (Call 02/28/27)^(b)(c)		15,917		15,797,622
Videotron Ltd.
5.00%, 07/15/22^(b)		19,712		20,307,608
5.13%, 04/15/27 (Call 04/15/22)^(a)(b)		14,961		15,615,577
5.38%, 06/15/24 (Call 03/15/24)^(a)(b)		14,693		15,581,926
Virgin Media Finance PLC, 6.00%, 10/15/24 (Call 10/15/20)^(a)(b)		11,343		11,463,354
Virgin Media Secured Finance PLC
5.50%, 08/15/26 (Call 08/15/21)^(a)(b)		19,255		19,977,062
5.50%, 05/15/29 (Call 05/15/24)^(a)(b)		33,275		34,772,375
Ziggo Bond Co. BV
5.13%, 02/28/30 (Call 02/15/25)^(a)(b)		10,939		10,818,343
6.00%, 01/15/27 (Call 01/15/22)^(a)(b)		16,352		16,647,808
Ziggo BV
4.88%, 01/15/30 (Call 10/15/24)^(a)(b)		16,257		16,133,122
5.50%, 01/15/27 (Call 01/15/22)^(a)		42,318		43,019,209

				2,239,838,995


Security	Par (000)		Value

Mining — 1.7%
Alcoa Nederland Holding BV
6.13%, 05/15/28 (Call 05/15/23)^(a)(b)	$	12,055	$	11,663,032
6.75%, 09/30/24 (Call 09/30/20)^(a)(b)		17,623		17,766,099
7.00%, 09/30/26 (Call 09/30/21)^(a)		12,070		12,061,249
Arconic Corp., 6.00%, 05/15/25 (Call 05/15/22)^(a)		3,840		3,883,200
Constellium SE
5.75%, 05/15/24 (Call 05/15/20)^(a)		9,476		9,117,158
5.88%, 02/15/26 (Call 11/15/20)^(a)(b)		11,464		10,865,465
6.63%, 03/01/25 (Call 03/01/21)^(a)(b)		16,092		15,645,447
FMG Resources August 2006 Pty Ltd.
4.50%, 09/15/27 (Call 06/15/27)^(a)(b)		13,666		13,385,847
4.75%, 05/15/22 (Call 02/15/22)^(a)(b)		20,835		20,853,751
5.13%, 03/15/23 (Call 12/15/22)^(a)(b)		12,718		12,807,026
5.13%, 05/15/24 (Call 02/15/24)^(a)(b)		19,382		19,618,458
Freeport-McMoRan Inc.
3.55%, 03/01/22 (Call 12/01/21)^(b)		8,947		9,038,259
3.88%, 03/15/23 (Call 12/15/22)		38,024		38,054,419
4.13%, 03/01/28 (Call 03/01/23)		6,101		5,662,491
4.25%, 03/01/30 (Call 03/01/25)		6,810		6,358,157
4.55%, 11/14/24 (Call 08/14/24)^(b)		20,677		20,728,693
5.00%, 09/01/27 (Call 09/01/22)^(b)		15,502		15,114,450
5.25%, 09/01/29 (Call 09/01/24)^(b)		14,179		13,878,263
Novelis Corp.
4.75%, 01/30/30 (Call 01/30/25)^(a)		38,357		33,754,160
5.88%, 09/30/26 (Call 09/30/21)^(a)(b)		36,375		35,192,812

				325,448,436

Office & Business Equipment — 0.5%
CDW LLC/CDW Finance Corp.
4.13%, 05/01/25 (Call 05/01/22)		6,285		6,391,154
4.25%, 04/01/28 (Call 10/01/22)		15,102		15,161,955
5.00%, 09/01/25 (Call 03/01/21)^(b)		14,729		15,107,267
5.50%, 12/01/24 (Call 06/01/24)^(b)		13,836		14,749,314
Pitney Bowes Inc.
4.63%, 05/15/22 (Call 04/15/22)		523		450,434
4.63%, 03/15/24 (Call 12/15/23)^(b)		817		622,963
5.70%, 04/01/23 (Call 03/01/23)		659		537,909
Xerox Corp.
4.13%, 03/15/23 (Call 02/15/23)		24,672		24,548,640
4.50%, 05/15/21^(b)		14,171		14,181,132

				91,750,768

Oil & Gas — 4.6%
Aker BP ASA
4.75%, 06/15/24 (Call 06/15/21)^(a)		766		710,547
5.88%, 03/31/25 (Call 03/31/21)^(a)(b)		11,606		10,716,980
6.00%, 07/01/22 (Call 07/01/20)^(a)(b)		7,022		6,642,812
American Energy- Permian Basin LLC, 12.00%, 10/01/24 (Call 10/01/21)^(a)		418		41,754
Antero Resources Corp.
5.00%, 03/01/25 (Call 03/01/21)^(b)		11,366		5,967,150
5.13%, 12/01/22 (Call 06/01/20)		22,998		15,523,650
5.38%, 11/01/21 (Call 11/01/20)^(b)		23,877		21,429,607
5.63%, 06/01/23 (Call 06/01/20)^(b)		16,931		9,692,998
Ascent Resources Utica Holdings LLC/ARU Finance Corp.
7.00%, 11/01/26 (Call 11/01/21)^(a)		11,583		6,414,086
10.00%, 04/01/22 (Call 04/01/21)^(a)		24,790		19,770,025
California Resources Corp., 8.00%, 12/15/22 (Call 12/15/20)^(a)		24,964		684,014


Security	Par (000)		Value

Oil & Gas (continued)
Callon Petroleum Co.
6.13%, 10/01/24 (Call 10/01/20)	$	9,781	$	1,821,711
6.25%, 04/15/23 (Call 04/15/21)		6,263		1,299,573
6.38%, 07/01/26 (Call 07/01/21)		6,449		1,064,085
Calumet Specialty Products Partners LP/Calumet Finance Corp., 11.00%, 04/15/25 (Call 10/15/21)^(a)(b)		14,312		11,413,820
Chesapeake Energy Corp.
7.00%, 10/01/24 (Call 04/01/21)		1,453		29,060
11.50%, 01/01/25 (Call 01/01/22)^(a)		37,595		1,099,654
Citgo Holding Inc., 9.25%, 08/01/24 (Call 08/01/21)^(a)		32,446		29,201,400
CNX Resources Corp.
5.88%, 04/15/22 (Call 05/29/20)		22,412		22,271,925
7.25%, 03/14/27 (Call 03/14/22)^(a)		12,589		11,267,155
Comstock Resources Inc.
7.50%, 05/15/25 (Call 05/15/20)^(a)		16,302		13,677,378
9.75%, 08/15/26 (Call 08/15/21)^(b)		20,064		17,430,600
CrownRock LP/CrownRock Finance Inc., 5.63%, 10/15/25 (Call 10/15/20)^(a)		28,400		22,989,232
CVR Energy Inc.
5.25%, 02/15/25 (Call 02/15/22)^(a)		13,491		11,014,592
5.75%, 02/15/28 (Call 02/15/23)^(a)		11,482		9,593,326
Denbury Resources Inc.
7.75%, 02/15/24 (Call 08/15/20)^(a)		7,203		1,230,823
9.00%, 05/15/21 (Call 12/15/20)^(a)(b)		6,718		1,222,004
9.25%, 03/31/22 (Call 03/31/21)^(a)(b)		7,305		1,329,802
Diamond Offshore Drilling Inc., 7.88%, 08/15/25 (Call 05/15/25)^(b)(f)		7,599		801,998
Endeavor Energy Resources LP/EER Finance Inc.
5.50%, 01/30/26 (Call 01/30/21)^(a)		13,315		11,782,443
5.75%, 01/30/28 (Call 01/30/23)^(a)(b)		23,238		20,751,534
Extraction Oil & Gas Inc.
5.63%, 02/01/26 (Call 02/01/21)^(a)		11,322		1,585,080
7.38%, 05/15/24 (Call 05/15/20)^(a)		3,974		594,749
Gulfport Energy Corp.
6.00%, 10/15/24 (Call 10/15/20)^(b)		13,123		6,528,693
6.38%, 05/15/25 (Call 05/15/20)		13,184		6,180,659
Hilcorp Energy I LP/Hilcorp Finance Co.
5.00%, 12/01/24 (Call 06/01/20)^(a)		12,776		7,157,754
5.75%, 10/01/25 (Call 04/01/21)^(a)(b)		13,611		7,520,078
6.25%, 11/01/28 (Call 11/01/23)^(a)(b)		11,605		5,862,962
Laredo Petroleum Inc.
9.50%, 01/15/25 (Call 01/15/22)		12,975		5,514,375
10.13%, 01/15/28 (Call 01/15/23)^(b)		8,128		3,438,144
Matador Resources Co., 5.88%, 09/15/26 (Call 09/15/21)		18,526		9,263,000
MEG Energy Corp.
6.50%, 01/15/25 (Call 01/15/21)^(a)		13,599		11,014,510
7.00%, 03/31/24 (Call 09/30/20)^(a)(b)		12,540		8,827,444
7.13%, 02/01/27 (Call 02/01/23)^(a)		28,162		19,397,248
Moss Creek Resources Holdings Inc.
7.50%, 01/15/26 (Call 01/15/21)^(a)		11,834		3,998,235
10.50%, 05/15/27 (Call 05/15/22)^(a)(b)		7,378		2,720,638
Murphy Oil Corp.
4.45%, 12/01/22 (Call 09/01/22)		161		129,215
5.75%, 08/15/25 (Call 08/18/20)		12,859		8,782,697
5.88%, 12/01/27 (Call 12/01/22)		10,912		7,447,440
6.88%, 08/15/24 (Call 08/15/20)		12,328		8,752,880
Nabors Industries Inc.
4.63%, 09/15/21^(b)		768		487,680


Security	Par (000)		Value

Oil &Gas (continued)
5.00%, 09/15/20^(b)	$	454	$	431,300
5.50%, 01/15/23 (Call 11/15/22)^(b)		1,748		524,120
5.75%, 02/01/25 (Call 11/01/24)^(b)		9,783		2,225,633
Nabors Industries Ltd.
7.25%, 01/15/26 (Call 07/15/22)^(a)(b)		7,780		3,060,133
7.50%, 01/15/28 (Call 01/15/23)^(a)		6,551		2,581,094
Noble Holding International Ltd.
7.88%, 02/01/26 (Call 02/01/21)^(a)(b)		11,684		2,716,530
7.95%, 04/01/25 (Call 01/01/25)^(b)		4,804		48,040
Oasis Petroleum Inc.
6.25%, 05/01/26 (Call 05/01/21)^(a)(b)		6,035		784,550
6.88%, 03/15/22 (Call 05/29/20)		13,961		2,059,248
Pacific Drilling SA, 8.38%, 10/01/23 (Call 09/01/20)^(a)		11,420		2,512,400
Parkland Fuel Corp.
5.88%, 07/15/27 (Call 07/15/22)^(a)		11,726		11,246,817
6.00%, 04/01/26 (Call 04/01/21)^(a)(b)		13,049		12,657,530
Parsley Energy LLC/Parsley Finance Corp.
4.13%, 02/15/28 (Call 02/15/23)^(a)		8,870		7,347,316
5.25%, 08/15/25 (Call 08/15/20)^(a)		12,224		10,706,186
5.38%, 01/15/25 (Call 01/15/21)^(a)		17,421		15,727,679
5.63%, 10/15/27 (Call 10/15/22)^(a)		15,364		13,148,224
PBF Holding Co. LLC/PBF Finance Corp.
6.00%, 02/15/28 (Call 02/15/23)^(a)(b)		24,585		17,486,081
7.25%, 06/15/25 (Call 06/15/20)		16,874		12,772,352
PDC Energy Inc.
5.75%, 05/15/26 (Call 05/15/21)^(b)		14,333		11,076,542
6.13%, 09/15/24 (Call 09/15/20)		9,491		7,466,570
Puma International Financing SA
5.00%, 01/24/26 (Call 01/24/21)^(a)		10,170		7,271,550
5.13%, 10/06/24 (Call 10/06/20)^(a)		9,356		6,759,710
QEP Resources Inc.
5.25%, 05/01/23 (Call 02/01/23)^(b)		12,709		4,257,515
5.38%, 10/01/22 (Call 07/01/22)		9,773		3,352,139
5.63%, 03/01/26 (Call 12/01/25)		8,585		2,693,544
Range Resources Corp.
4.88%, 05/15/25 (Call 02/15/25)^(b)		18,026		13,970,150
5.00%, 08/15/22 (Call 05/15/22)		14,105		12,870,812
5.00%, 03/15/23 (Call 12/15/22)^(b)		18,240		15,823,200
9.25%, 02/01/26 (Call 02/01/22)^(a)		11,363		9,095,135
Seven Generations Energy Ltd.
5.38%, 09/30/25 (Call 09/30/20)^(a)		15,622		12,614,765
6.75%, 05/01/23 (Call 05/01/20)^(a)(b)		11,203		10,061,657
6.88%, 06/30/23 (Call 06/30/20)^(a)		11,299		10,117,740
SM Energy Co.
5.00%, 01/15/24 (Call 07/15/20)		8,680		2,677,780
5.63%, 06/01/25 (Call 06/01/20)		8,507		2,424,495
6.13%, 11/15/22 (Call 11/15/20)^(b)		9,191		3,676,400
6.63%, 01/15/27 (Call 01/15/22)^(b)		8,339		2,136,869
6.75%, 09/15/26 (Call 09/15/21)^(b)		7,619		2,127,606
Southwestern Energy Co.
6.20%, 01/23/25 (Call 10/23/24)^(b)		22,817		20,036,178
7.50%, 04/01/26 (Call 04/01/21)^(b)		15,130		13,579,175
7.75%, 10/01/27 (Call 10/01/22)^(b)		11,549		10,049,940
Sunoco LP/Sunoco Finance Corp.
4.88%, 01/15/23 (Call 01/15/21)^(b)		25,312		24,758,173
5.50%, 02/15/26 (Call 02/15/21)		20,012		19,268,366
5.88%, 03/15/28 (Call 03/15/23)^(b)		8,763		8,287,066
6.00%, 04/15/27 (Call 04/15/22)		14,777		14,361,397
Transocean Guardian Ltd., 5.88%, 01/15/24 (Call 07/15/21)^(a)(b)		12,908		9,899,026


Security	Par (000)		Value

Oil & Gas (continued)
Transocean Inc.
7.25%, 11/01/25 (Call 11/01/21)^(a)	$	12,912	$	4,919,730
7.50%, 01/15/26 (Call 01/15/21)^(a)(b)		12,969		4,928,220
8.00%, 02/01/27 (Call 02/01/23)^(a)(b)		10,655		4,077,136
Transocean Pontus Ltd., 6.13%, 08/01/25 (Call 08/01/21)^(a)(b)		9,973		8,077,648
Transocean Poseidon Ltd., 6.88%, 02/01/27 (Call 02/01/22)^(a)		13,899		10,980,210
Transocean Sentry Ltd., 5.38%, 05/15/23 (Call 05/16/21)^(a)		12,849		9,738,472
Valaris PLC
4.88%, 06/01/22 (Call 03/01/22)		8,054		966,480
7.75%, 02/01/26 (Call 11/01/25)		14,179		1,134,320
Whiting Petroleum Corp.
5.75%, 03/15/21 (Call 12/15/20)^(f)		10,250		1,025,000
6.25%, 04/01/23 (Call 01/01/23)^(f)		5,295		493,670
6.63%, 01/15/26 (Call 10/15/25)^(b)(f)		15,763		1,536,893
WPX Energy Inc.
4.50%, 01/15/30 (Call 01/15/25)^(b)		20,666		16,797,531
5.25%, 09/15/24 (Call 06/15/24)		15,711		13,864,957
5.25%, 10/15/27 (Call 09/30/22)		13,556		11,793,720
5.75%, 06/01/26 (Call 06/01/21)		11,413		9,872,245
8.25%, 08/01/23 (Call 06/01/23)		10,244		9,643,574

				902,687,758

Oil & Gas Services — 0.5%
Archrock Partners LP/Archrock Partners Finance Corp.
6.25%, 04/01/28 (Call 04/01/23)^(a)(b)		15,814		11,792,947
6.88%, 04/01/27 (Call 04/01/22)^(a)		12,092		9,102,011
SESI LLC
7.13%, 12/15/21 (Call 05/29/20)^(a)(b)		14,774		6,754,943
7.75%, 09/15/24 (Call 09/15/20)		3,385		609,157
Transocean Phoenix 2 Ltd., 7.75%, 10/15/24 (Call 10/15/20)^(a)		5,209		4,593,051
Transocean Proteus Ltd., 6.25%, 12/01/24 (Call 12/01/20)^(a)(b)		6,670		5,639,739
USA Compression Partners LP/USA Compression Finance Corp.
6.88%, 04/01/26 (Call 04/01/21)		18,233		14,916,873
6.88%, 09/01/27 (Call 09/01/22)		17,158		13,794,003
Weatherford International Ltd., 11.00%, 12/01/24 (Call 12/01/21)^(a)(b)		49,054		36,299,960

				103,502,684

Packaging & Containers — 3.2%
Ardagh Packaging Finance PLC/Ardagh Holdings USA Inc.
4.13%, 08/15/26 (Call 08/15/22)^(a)(b)		13,802		13,513,918
4.25%, 09/15/22 (Call 03/15/21)^(a)(b)		17,108		17,198,672
5.25%, 04/30/25 (Call 04/30/22)^(a)		5,500		5,644,265
5.25%, 08/15/27 (Call 08/15/22)^(a)(b)		19,664		19,190,884
6.00%, 02/15/25 (Call 02/15/21)^(a)(b)		40,683		40,730,599
Ball Corp.
4.00%, 11/15/23^(b)		23,636		24,451,442
4.88%, 03/15/26 (Call 12/15/25)		18,466		19,850,950
5.00%, 03/15/22		18,332		19,202,770
5.25%, 07/01/25^(b)		23,868		26,314,470
Berry Global Inc.
4.50%, 02/15/26 (Call 02/15/21)^(a)(b)		11,994		11,802,495
4.88%, 07/15/26 (Call 07/15/22)^(a)(b)		30,553		31,212,792
5.13%, 07/15/23 (Call 07/15/20)		18,101		18,214,131


Security	Par (000)		Value

Packaging & Containers (continued)
5.50%, 05/15/22 (Call 05/15/20)^(b)	$	13,826	$	13,784,691
5.63%, 07/15/27 (Call 07/15/22)^(a)(b)		10,146		10,428,947
Crown Americas LLC/Crown Americas Capital Corp. IV, 4.50%, 01/15/23^(b)		23,000		23,579,600
Crown Americas LLC/Crown Americas Capital Corp. V, 4.25%, 09/30/26 (Call 03/31/26)		11,330		11,485,788
Crown Americas LLC/Crown Americas Capital Corp. VI, 4.75%, 02/01/26 (Call 02/01/21)^(b)		21,210		21,667,924
Flex Acquisition Co. Inc.
6.88%, 01/15/25 (Call 01/15/21)^(a)(b)		15,261		14,846,206
7.88%, 07/15/26 (Call 07/15/21)^(a)(b)		11,956		11,567,430
Graphic Packaging International LLC, 3.50%, 03/15/28^(a)		4,594		4,398,755
LABL Escrow Issuer LLC
6.75%, 07/15/26 (Call 07/15/22)^(a)(b)		15,502		15,608,499
10.50%, 07/15/27 (Call 07/15/22)^(a)(b)		16,342		16,233,653
Mauser Packaging Solutions Holding Co.
5.50%, 04/15/24 (Call 04/15/21)^(a)		35,999		33,288,275
7.25%, 04/15/25 (Call 04/15/21)^(a)(b)		31,835		24,910,887
Owens-Brockway Glass Container Inc.
5.00%, 01/15/22^(a)(b)		11,392		11,509,338
5.88%, 08/15/23^(a)(b)		17,566		18,010,508
Reynolds Group Issuer Inc./Reynolds Group Issuer LLC/Reynolds Group Issuer Lu
5.13%, 07/15/23 (Call 07/15/20)^(a)(b)		39,371		39,469,427
7.00%, 07/15/24 (Call 07/15/20)^(a)(b)		19,444		19,515,943
Sealed Air Corp.
4.00%, 12/01/27 (Call 09/01/27)^(a)(b)		10,487		10,359,898
4.88%, 12/01/22 (Call 09/01/22)^(a)(b)		8,604		8,912,023
5.13%, 12/01/24 (Call 09/01/24)^(a)(b)		9,598		10,101,895
5.25%, 04/01/23 (Call 01/01/23)^(a)(b)		10,922		11,304,270
5.50%, 09/15/25 (Call 06/15/25)^(a)(b)		10,151		10,748,640
Trivium Packaging Finance BV
5.50%, 08/15/26 (Call 08/15/22)^(a)		24,005		24,605,125
8.50%, 08/15/27 (Call 08/15/22)^(a)(b)		16,307		16,969,390

				630,634,500

Pharmaceuticals — 4.1%
Bausch Health Americas Inc.
8.50%, 01/31/27 (Call 01/17/22)^(a)		41,869		46,156,386
9.25%, 04/01/26 (Call 04/01/22)^(a)(b)		36,954		40,791,599
Bausch Health Companies Inc.
5.00%, 01/30/28 (Call 01/30/23)^(a)		29,950		28,864,313
5.25%, 01/30/30 (Call 01/30/25)^(a)(b)		29,685		29,242,694
5.50%, 03/01/23 (Call 05/29/20)^(a)(b)		4,480		4,457,600
5.50%, 11/01/25 (Call 11/01/20)^(a)(b)		40,255		41,845,072
5.75%, 08/15/27 (Call 08/15/22)^(a)(b)		12,366		12,980,899
5.88%, 05/15/23 (Call 05/15/20)^(a)(b)		318		315,615
6.13%, 04/15/25 (Call 04/15/21)^(a)(b)		72,334		73,440,710
6.50%, 03/15/22 (Call 03/15/21)^(a)(b)		21,793		22,224,501
7.00%, 03/15/24 (Call 03/15/21)^(a)		37,903		39,472,942
7.00%, 01/15/28 (Call 01/15/23)^(a)		17,546		18,247,840
7.25%, 05/30/29 (Call 05/30/24)^(a)(b)		18,245		19,408,028
9.00%, 12/15/25 (Call 12/15/21)^(a)		36,679		39,927,384
Elanco Animal Health Inc.
4.66%, 08/27/21		5,354		5,462,151
5.02%, 08/28/23 (Call 07/28/23)		19,781		21,102,766
5.65%, 08/28/28 (Call 05/28/28)^(b)		17,945		19,955,019
Endo Dac/Endo Finance LLC/Endo Finco Inc.
6.00%, 07/15/23 (Call 07/15/20)^(a)(b)		33,138		24,757,002
6.00%, 02/01/25 (Call 02/01/21)^(a)(b)		27,710		19,812,650


Security	Par (000)		Value

Pharmaceuticals (continued)
Mallinckrodt International Finance SA/Mallinckrodt CB LLC
5.63%, 10/15/23 (Call 10/15/20)^(a)(b)	$	6,694	$	1,810,177
5.75%, 08/01/22 (Call 08/01/20)^(a)(b)		9,123		3,821,397
Par Pharmaceutical Inc., 7.50%, 04/01/27 (Call 04/01/22)^(a)(b)		35,820		36,402,075
Teva Pharmaceutical Finance Netherlands III BV
2.20%, 07/21/21		27,433		26,925,490
2.80%, 07/21/23		71,287		65,291,763
3.15%, 10/01/26^(b)		82,903		72,252,725
6.00%, 04/15/24 (Call 01/15/24)		29,510		29,319,660
6.75%, 03/01/28 (Call 12/01/27)^(b)		29,918		30,871,487
7.13%, 01/31/25 (Call 10/31/24)^(a)		23,337		24,172,465

				799,332,410

Pipelines — 3.1%
Antero Midstream Partners LP/Antero Midstream Finance Corp.
5.38%, 09/15/24 (Call 09/15/20)		17,811		13,839,147
5.75%, 03/01/27 (Call 03/01/22)^(a)(b)		15,949		11,850,107
5.75%, 01/15/28 (Call 01/15/23)^(a)		13,685		10,072,160
Blue Racer Midstream LLC/Blue Racer Finance Corp., 6.13%, 11/15/22 (Call 11/15/20)^(a)		17,642		14,589,304
Buckeye Partners LP
3.95%, 12/01/26 (Call 09/01/26)^(b)		14,715		13,292,093
4.13%, 03/01/25 (Call 02/01/25)^(a)		12,320		11,396,000
4.13%, 12/01/27 (Call 09/01/27)		5,833		5,205,953
4.15%, 07/01/23 (Call 04/01/23)		12,905		12,066,175
4.50%, 03/01/28 (Call 12/01/27)^(a)		13,191		11,783,960
6.38%, 01/22/78 (Call 01/22/23)^(c)		10,095		6,082,238
Cheniere Energy Partners LP
4.50%, 10/01/29 (Call 10/01/24)^(a)		35,478		32,335,664
5.25%, 10/01/25 (Call 10/01/20)		35,849		34,241,800
5.63%, 10/01/26 (Call 10/01/21)		26,686		25,760,863
Crestwood Midstream Partners LP/Crestwood Midstream Finance Corp.
5.63%, 05/01/27 (Call 05/01/22)^(a)		11,991		7,824,127
5.75%, 04/01/25 (Call 04/01/21)^(b)		11,981		8,686,704
6.25%, 04/01/23 (Call 04/01/21)		16,227		11,911,267
DCP Midstream Operating LP
3.88%, 03/15/23 (Call 12/15/22)		12,616		10,345,120
4.75%, 09/30/21 (Call 06/30/21)^(a)		10,982		10,350,535
5.13%, 05/15/29 (Call 02/15/29)		15,710		11,664,675
5.38%, 07/15/25 (Call 04/15/25)		20,435		16,501,262
5.85%, 05/21/43 (Call 05/21/23)^(a)(c)		8,977		4,189,267
EnLink Midstream Partners LP
4.15%, 06/01/25 (Call 03/01/25)		18,802		11,499,365
4.40%, 04/01/24 (Call 01/01/24)		11,363		7,158,917
4.85%, 07/15/26 (Call 04/15/26)^(b)		11,183		6,886,864
Genesis Energy LP/Genesis Energy Finance Corp.
6.00%, 05/15/23 (Call 05/15/20)		9,197		8,001,390
6.25%, 05/15/26 (Call 02/15/21)		11,249		9,386,005
6.50%, 10/01/25 (Call 10/01/20)		13,980		11,776,805
7.75%, 02/01/28 (Call 02/01/23)^(b)		16,894		14,359,900
Global Partners LP/GLP Finance Corp., 7.00%, 08/01/27 (Call 08/01/22)		344		276,851
Hess Midstream Operations LP
5.13%, 06/15/28 (Call 06/15/23)^(a)		13,026		11,462,880
5.63%, 02/15/26 (Call 02/15/21)^(a)		19,486		18,121,980


Security	Par (000)		Value

Pipelines (continued)
NGL Energy Partners LP/NGL Energy Finance Corp.
7.50%, 11/01/23 (Call 11/01/20)	$	12,346	$	8,326,636
7.50%, 04/15/26 (Call 04/15/22)		9,373		6,092,450
NuStar Logistics LP
5.63%, 04/28/27 (Call 01/28/27)		13,100		11,790,000
6.00%, 06/01/26 (Call 03/01/26)		13,348		12,146,680
Tallgrass Energy Partners LP/Tallgrass Energy Finance Corp.
4.75%, 10/01/23 (Call 10/01/20)^(a)		11,222		8,615,217
5.50%, 09/15/24 (Call 09/15/20)^(a)		16,651		12,601,477
5.50%, 01/15/28 (Call 01/15/23)^(a)		16,743		11,303,757
6.00%, 03/01/27 (Call 03/01/23)^(a)		9,052		6,040,581
Targa Resources Partners LP/Targa Resources Partners Finance Corp.
4.25%, 11/15/23 (Call 05/15/20)		14,870		13,493,633
5.00%, 01/15/28 (Call 01/15/23)^(b)		16,341		13,786,434
5.13%, 02/01/25 (Call 02/01/21)		12,791		11,372,720
5.25%, 05/01/23 (Call 11/01/20)		14,101		13,343,071
5.38%, 02/01/27 (Call 02/01/22)		12,031		10,238,381
5.50%, 03/01/30 (Call 03/01/25)^(a)		23,148		19,733,670
5.88%, 04/15/26 (Call 04/15/21)^(b)		24,032		21,544,688
6.50%, 07/15/27 (Call 07/15/22)		17,481		15,660,354
6.75%, 03/15/24 (Call 09/15/20)		14,745		13,942,515
6.88%, 01/15/29 (Call 01/15/24)		17,403		15,938,538

				608,890,180

Real Estate — 0.4%
Howard Hughes Corp. (The), 5.38%, 03/15/25 (Call 03/15/21)^(a)(b)		25,442		24,661,949
Kennedy-Wilson Inc., 5.88%, 04/01/24 (Call 04/01/21)		28,680		27,438,156
Realogy Group LLC/Realogy Co-Issuer Corp.
4.88%, 06/01/23 (Call 03/01/23)^(a)(b)		10,919		8,302,589
5.25%, 12/01/21 (Call 12/01/20)^(a)		12,442		10,444,810
9.38%, 04/01/27 (Call 04/01/22)^(a)(b)		13,797		9,588,915

				80,436,419

Real Estate Investment Trusts — 3.7%
Brookfield Property REIT Inc./BPR Cumulus LLC/BPR Nimbus LLC/GGSI Sellco LL, 5.75%, 05/15/26 (Call 05/15/22)^(a)		23,995		19,061,604
CBL & Associates LP
5.25%, 12/01/23 (Call 09/01/23)^(b)		5,721		1,508,961
5.95%, 12/15/26 (Call 09/15/26)^(b)		7,978		2,074,280
Diversified Healthcare Trust, 4.75%, 02/15/28 (Call 08/15/27)^(b)		14,130		12,159,861
ESH Hospitality Inc.
4.63%, 10/01/27 (Call 10/01/22)^(a)(b)		18,333		16,484,423
5.25%, 05/01/25 (Call 05/01/20)^(a)(b)		30,054		27,959,537
Iron Mountain Inc.
4.38%, 06/01/21 (Call 06/01/20)^(a)(b)		8,440		8,440,000
4.88%, 09/15/27 (Call 09/15/22)^(a)(b)		23,435		22,966,300
4.88%, 09/15/29 (Call 09/15/24)^(a)		23,196		22,280,222
5.25%, 03/15/28 (Call 12/27/22)^(a)(b)		19,817		19,007,079
5.75%, 08/15/24 (Call 08/15/20)^(b)		24,217		23,792,960
6.00%, 08/15/23 (Call 08/15/20)^(b)		15,612		15,807,150
iStar Inc.
4.25%, 08/01/25 (Call 05/01/25)		13,384		10,681,155
4.75%, 10/01/24 (Call 07/01/24)		17,566		14,579,780
5.25%, 09/15/22 (Call 09/15/20)^(b)		10,311		9,278,854


Security	Par (000)		Value

Real Estate Investment Trusts (continued)
Ladder Capital Finance Holdings LLLP/Ladder Capital Finance Corp.
4.25%, 02/01/27 (Call 02/01/23)^(a)	$	17,811	$	12,645,228
5.25%, 03/15/22 (Call 09/15/21)^(a)(b)		12,606		10,425,736
5.25%, 10/01/25 (Call 10/01/20)^(a)(b)		9,302		6,767,205
MGM Growth Properties Operating Partnership LP/MGP Finance Co-Issuer Inc.
4.50%, 09/01/26 (Call 06/01/26)^(b)		12,190		11,793,825
5.63%, 05/01/24 (Call 02/01/24)^(b)		25,382		25,768,060
5.75%, 02/01/27 (Call 11/01/26)^(b)		18,270		18,373,560
MPT Operating Partnership LP/MPT Finance Corp.
4.63%, 08/01/29 (Call 08/01/24)		20,229		20,171,550
5.00%, 10/15/27 (Call 09/07/22)^(b)		33,138		33,800,760
5.25%, 08/01/26 (Call 08/01/21)^(b)		13,343		13,443,073
6.38%, 03/01/24 (Call 03/01/21)		13,577		14,025,675
RHP Hotel Properties LP/RHP Finance Corp., 5.00%, 04/15/23 (Call 04/15/21)^(b)		7,820		7,233,500
Ryman Hospitality Properties Inc., 4.75%, 10/15/27 (Call 10/15/22)^(a)(b)		18,344		15,959,280
SBA Communications Corp.
3.88%, 02/15/27 (Call 02/15/23)^(a)		24,332		24,849,055
4.00%, 10/01/22 (Call 10/01/20)^(b)		20,332		20,439,760
4.88%, 09/01/24 (Call 09/01/20)^(b)		28,104		28,971,663
Starwood Property Trust Inc.
3.63%, 02/01/21 (Call 11/01/20)^(b)		317		304,716
4.75%, 03/15/25 (Call 09/15/24)^(b)		12,195		10,391,369
5.00%, 12/15/21 (Call 09/15/21)^(b)		17,989		16,967,124
Uniti Group LP/Uniti Fiber Holdings Inc./CSL Capital LLC
7.13%, 12/15/24 (Call 12/15/20)^(a)(b)		12,968		10,051,094
7.88%, 02/15/25 (Call 02/15/22)^(a)		54,169		52,171,247
Uniti Group LP/Uniti Group Finance Inc./CSL Capital LLC
6.00%, 04/15/23 (Call 04/15/21)^(a)(b)		13,657		12,807,535
8.25%, 10/15/23 (Call 04/15/21)^(b)		27,039		22,434,258
VICI Properties LP/VICI Note Co. Inc.
3.50%, 02/15/25 (Call 02/15/22)^(a)		19,400		18,223,927
3.75%, 02/15/27 (Call 02/15/23)^(a)		17,272		16,062,960
4.13%, 08/15/30 (Call 02/15/25)^(a)		24,401		22,164,546
4.25%, 12/01/26 (Call 12/01/22)^(a)(b)		29,589		27,616,597
4.63%, 12/01/29 (Call 12/01/24)^(a)(b)		23,557		21,908,010

				721,853,479

Retail — 3.7%
1011778 BC ULC/New Red Finance Inc.
3.88%, 01/15/28 (Call 09/15/22)^(a)		18,146		17,588,555
4.25%, 05/15/24 (Call 05/15/20)^(a)(b)		36,293		36,304,251
4.38%, 01/15/28 (Call 11/15/22)^(a)(b)		20,076		19,517,636
5.00%, 10/15/25 (Call 10/15/20)^(a)(b)		66,761		67,094,805
5.75%, 04/15/25 (Call 04/15/22)^(a)		2,380		2,515,374
Asbury Automotive Group Inc.
4.50%, 03/01/28 (Call 03/01/23)^(a)		4,639		3,885,163
4.75%, 03/01/30 (Call 03/01/25)^(a)		5,920		4,947,048
Beacon Roofing Supply Inc., 4.88%, 11/01/25 (Call 11/01/20)^(a)(b)		32,317		28,560,149
eG Global Finance PLC
6.75%, 02/07/25 (Call 05/15/21)^(a)(b)		16,970		15,347,668
8.50%, 10/30/25 (Call 10/30/21)^(a)		13,666		13,358,515
Ferrellgas LP/Ferrellgas Finance Corp.
6.50%, 05/01/21 (Call 05/29/20)		6,399		5,159,194
6.75%, 01/15/22 (Call 05/29/20)^(b)		6,125		4,873,846


Security	Par (000)		Value

Retail (continued)
6.75%, 06/15/23 (Call 06/15/20)^(b)	$	6,912	$	5,529,600
10.00%, 04/15/25 (Call 04/15/22)^(a)		2,110		2,230,059
Gap Inc. (The)
8.38%, 05/15/23^(a)		4,285		4,462,613
8.63%, 05/15/25 (Call 05/15/22)^(a)		11,670		12,049,275
8.88%, 05/15/27 (Call 05/15/23)^(a)		6,210		6,473,925
Golden Nugget Inc.
6.75%, 10/15/24 (Call 10/15/20)^(a)(b)		33,309		25,878,428
8.75%, 10/01/25 (Call 10/01/20)^(a)(b)		14,705		8,436,994
JC Penney Corp. Inc.
5.88%, 07/01/23 (Call 07/01/20)^(a)(b)		6,778		3,106,386
8.63%, 03/15/25 (Call 03/15/21)^(a)(b)		5,646		445,582
KFC Holding Co./Pizza Hut Holdings LLC/Taco Bell of America LLC
4.75%, 06/01/27 (Call 06/01/22)^(a)(b)		15,991		16,455,698
5.00%, 06/01/24 (Call 06/01/20)^(a)(b)		24,484		25,216,072
5.25%, 06/01/26 (Call 06/01/21)^(a)(b)		26,421		26,982,446
L Brands Inc.
5.25%, 02/01/28^(b)		9,665		6,874,627
5.63%, 02/15/22^(b)		20,844		18,342,720
5.63%, 10/15/23^(b)		11,328		9,232,320
7.50%, 06/15/29 (Call 06/15/24)^(b)		12,763		9,410,798
Neiman Marcus Group Ltd. LLC/Neiman Marcus Group LLC/Mariposa Borrower/NMG
8.00%, 10/25/24 (Call 05/29/20)^(a)(b)(f)		9,924		843,540
8.75%, 10/25/24 (Call 05/29/20)^(a)(b)(f)		5,593		437,405
Penske Automotive Group Inc.
5.50%, 05/15/26 (Call 05/15/21)^(b)		12,421		11,453,482
5.75%, 10/01/22 (Call 10/01/20)^(b)		12,914		12,295,204
PetSmart Inc.
5.88%, 06/01/25 (Call 06/01/20)^(a)		28,437		28,872,370
7.13%, 03/15/23 (Call 03/15/21)^(a)		44,269		42,387,568
8.88%, 06/01/25 (Call 06/01/20)^(a)		15,935		15,385,811
QVC Inc.
4.38%, 03/15/23^(b)		19,753		18,788,066
4.45%, 02/15/25 (Call 11/15/24)^(b)		13,948		12,742,893
4.75%, 02/15/27 (Call 11/15/26)		14,102		12,691,800
4.85%, 04/01/24		13,811		13,119,069
5.13%, 07/02/22^(b)		12,271		11,902,870
Rite Aid Corp.
6.13%, 04/01/23 (Call 04/01/21)^(a)		28,247		25,778,212
7.50%, 07/01/25 (Call 07/01/22)^(a)		14,889		14,665,665
Sally Holdings LLC/Sally Capital Inc., 5.63%, 12/01/25 (Call 12/01/20)		6,685		5,536,706
Staples Inc.
7.50%, 04/15/26 (Call 04/15/22)^(a)		46,835		37,077,396
10.75%, 04/15/27 (Call 04/15/22)^(a)(b)		23,122		12,948,320
Suburban Propane Partners LP/Suburban Energy Finance Corp., 5.50%, 06/01/24 (Call 06/01/20)		13,102		12,812,665
Yum! Brands Inc.
4.75%, 01/15/30 (Call 10/15/29)^(a)(b)		20,074		20,475,480
7.75%, 04/01/25 (Call 04/01/22)^(a)		6,959		7,612,276

				718,106,545

Semiconductors — 0.3%
Qorvo Inc.
4.38%, 10/15/29 (Call 10/15/24)^(a)(b)		13,313		13,296,359
5.50%, 07/15/26 (Call 07/15/21)^(b)		22,003		23,103,150


Security	Par (000)		Value

Semiconductors (continued)
Sensata Technologies UK Financing Co. PLC, 6.25%, 02/15/26 (Call 02/15/21)^(a)(b)	$	18,160	$	18,626,610

				55,026,119

Software — 2.4%
CDK Global Inc.
4.88%, 06/01/27 (Call 06/01/22)		14,865		14,820,405
5.00%, 10/15/24 (Call 07/15/24)^(b)		11,397		11,881,372
5.25%, 05/15/29 (Call 05/15/24)^(a)		12,686		12,884,219
5.88%, 06/15/26 (Call 06/15/21)		11,128		11,482,705
Change Healthcare Holdings LLC/Change Healthcare Finance Inc., 5.75%, 03/01/25 (Call 03/01/21)^(a)(b)		32,597		32,154,985
Dun & Bradstreet Corp./The
6.88%, 08/15/26 (Call 02/15/22)^(a)(b)		18,039		19,066,262
10.25%, 02/15/27 (Call 02/15/22)^(a)(b)		17,976		19,683,720
Infor U.S. Inc., 6.50%, 05/15/22 (Call 05/15/20)^(b)		29,876		29,855,087
MSCI Inc.
3.63%, 09/01/30 (Call 03/01/25)^(a)(b)		6,460		6,521,276
4.00%, 11/15/29 (Call 11/15/24)^(a)(b)		23,958		25,021,016
4.75%, 08/01/26 (Call 08/01/21)^(a)(b)		11,126		11,629,785
5.38%, 05/15/27 (Call 05/15/22)^(a)(b)		12,542		13,536,079
5.75%, 08/15/25 (Call 08/15/20)^(a)(b)		19,796		20,678,902
Open Text Corp.
3.88%, 02/15/28 (Call 02/15/23)^(a)		21,952		21,286,183
5.88%, 06/01/26 (Call 06/01/21)^(a)(b)		20,020		21,021,000
Open Text Holdings Inc., 4.13%, 02/15/30 (Call 02/15/25)^(a)(b)		21,274		20,663,436
PTC Inc.
3.63%, 02/15/25 (Call 02/15/22)^(a)		13,297		13,082,519
4.00%, 02/15/28 (Call 02/15/23)^(a)		13,700		13,426,000
6.00%, 05/15/24 (Call 05/15/20)^(b)		99		101,846
Rackspace Hosting Inc., 8.63%, 11/15/24 (Call 11/15/20)^(a)(b)		29,557		29,168,917
Solera LLC/Solera Finance Inc., 10.50%, 03/01/24 (Call 03/01/21)^(a)(b)		48,703		48,459,485
SS&C Technologies Inc., 5.50%, 09/30/27 (Call 03/30/22)^(a)(b)		48,856		50,211,754
Veritas U.S. Inc./Veritas Bermuda Ltd.
7.50%, 02/01/23 (Call 02/01/21)^(a)(b)		9,819		9,502,828
10.50%, 02/01/24 (Call 02/01/21)^(a)(b)		18,797		16,696,749

				472,836,530

Telecommunications — 9.7%
Altice France Holding SA
6.00%, 02/15/28 (Call 02/15/23)^(a)		28,325		25,887,028
10.50%, 05/15/27 (Call 05/15/22)^(a)		35,192		38,014,750
Altice France SA/France
5.50%, 01/15/28 (Call 09/15/22)^(a)		24,496		24,623,869
7.38%, 05/01/26 (Call 05/01/21)^(a)		121,273		126,730,285
8.13%, 02/01/27 (Call 02/01/22)^(a)(b)		41,537		44,733,393
CenturyLink Inc.
4.00%, 02/15/27 (Call 02/15/23)^(a)(b)		29,360		28,699,400
5.13%, 12/15/26 (Call 12/15/22)^(a)(b)		29,852		28,470,808
5.63%, 04/01/25 (Call 01/01/25)		13,104		13,169,520
Series S, 6.45%, 06/15/21^(b)		18,522		18,915,593
Series T, 5.80%, 03/15/22^(b)		34,120		34,887,018
Series W, 6.75%, 12/01/23		18,498		19,414,655
Series Y, 7.50%, 04/01/24 (Call 01/01/24)^(b)		25,159		27,297,515
Cincinnati Bell Inc., 7.00%, 07/15/24 (Call 09/15/20)^(a)		16,831		16,994,008
CommScope Inc.
5.00%, 06/15/21 (Call 05/11/20)^(a)		46		45,310


Security	Par (000)		Value

Telecommunications (continued)
5.50%, 03/01/24 (Call 03/01/21)^(a)	$	30,138	$	30,138,000
5.50%, 06/15/24 (Call 06/15/20)^(a)(b)		15,540		13,905,756
6.00%, 03/01/26 (Call 03/01/22)^(a)(b)		35,395		35,483,487
8.25%, 03/01/27 (Call 03/01/22)^(a)(b)		23,556		22,401,756
CommScope Technologies LLC
5.00%, 03/15/27 (Call 03/15/22)^(a)(b)		18,007		15,529,237
6.00%, 06/15/25 (Call 06/15/20)^(a)(b)		34,107		30,372,966
Connect Finco Sarl/Connect U.S. Finco LLC, 6.75%, 10/01/26 (Call 10/01/22)^(a)(b)		47,256		45,489,887
Frontier Communications Corp.
8.00%, 04/01/27 (Call 04/01/22)^(a)(f)		30,586		31,188,544
8.50%, 04/01/26 (Call 04/01/21)^(a)(f)		28,954		26,782,450
Hughes Satellite Systems Corp.
5.25%, 08/01/26		18,904		19,943,720
6.63%, 08/01/26^(b)		19,103		20,351,763
7.63%, 06/15/21^(b)		16,671		17,293,829
Intelsat Connect Finance SA, 9.50%, 02/15/23 (Call 08/15/20)^(a)(b)		10,525		2,029,220
Intelsat Jackson Holdings SA
5.50%, 08/01/23 (Call 08/01/20)^(f)		28,635		15,248,138
8.00%, 02/15/24 (Call 02/15/21)^(a)		24,000		24,523,200
8.50%, 10/15/24 (Call 10/15/20)^(a)(f)		34,792		19,657,480
9.50%, 09/30/22^(a)		7,646		8,471,676
9.75%, 07/15/25 (Call 07/15/21)^(a)		23,748		13,610,573
Intrado Corp., 8.50%, 10/15/25 (Call 10/15/20)^(a)(b)		27,745		19,390,980
Koninklijke KPN NV, 7.00%, 03/28/73 (Call 03/28/23)^(a)(c)		13,953		14,724,601
Level 3 Financing Inc.
4.63%, 09/15/27 (Call 09/15/22)^(a)(b)		24,374		24,274,927
5.13%, 05/01/23 (Call 05/01/20)^(b)		16,537		16,498,138
5.25%, 03/15/26 (Call 03/15/21)		19,621		20,084,888
5.38%, 08/15/22 (Call 05/29/20)		19,603		19,596,756
5.38%, 01/15/24 (Call 01/15/21)^(b)		22,858		23,029,435
5.38%, 05/01/25 (Call 05/01/20)^(b)		19,459		19,750,885
5.63%, 02/01/23 (Call 05/29/20)^(b)		13,414		13,400,854
Nokia OYJ
3.38%, 06/12/22^(b)		12,737		12,802,466
4.38%, 06/12/27^(b)		12,634		12,848,778
Qwest Corp., 6.75%, 12/01/21^(b)		22,630		23,591,775
Sprint Communications Inc.
6.00%, 11/15/22		54,847		57,903,623
11.50%, 11/15/21		24,348		27,208,890
Sprint Corp.
7.13%, 06/15/24		58,935		66,154,537
7.25%, 09/15/21		36,927		38,727,191
7.63%, 02/15/25 (Call 11/15/24)^(b)		36,385		41,842,750
7.63%, 03/01/26 (Call 11/01/25)^(b)		35,522		41,790,567
7.88%, 09/15/23		99,419		111,732,043
Telecom Italia SpA/Milano, 5.30%, 05/30/24^(a)(b)		35,664		36,808,932
Telefonaktiebolaget LM Ericsson, 4.13%, 05/15/22^(b)		25,335		26,095,050
T-Mobile USA Inc.
4.00%, 04/15/22 (Call 03/16/22)		12,529		12,810,903
4.50%, 02/01/26 (Call 02/01/21)		23,408		24,117,262
4.75%, 02/01/28 (Call 02/01/23)		36,291		38,106,276
5.13%, 04/15/25 (Call 04/15/21)		12,812		13,065,906
5.38%, 04/15/27 (Call 04/15/22)		12,683		13,427,492
6.00%, 03/01/23 (Call 09/01/20)		30,369		30,369,000
6.00%, 04/15/24 (Call 04/15/21)		22,247		22,660,423
6.38%, 03/01/25 (Call 09/01/20)^(b)		37,939		39,069,203
6.50%, 01/15/24 (Call 01/15/21)		21,200		21,701,380


Security	Par (000)		Value

Telecommunications (continued)
6.50%, 01/15/26 (Call 01/15/21)	$	44,876	$	47,400,275
ViaSat Inc.
5.63%, 09/15/25 (Call 09/15/20)^(a)(b)		17,398		16,420,328
5.63%, 04/15/27 (Call 04/15/22)^(a)(b)		14,435		14,253,913
Vodafone Group PLC, 7.00%, 04/04/79 (Call 01/04/29)^(b)(c)		47,636		54,543,220
Zayo Group Holdings Inc.
4.00%, 03/01/27 (Call 03/01/21)^(a)		23,755		22,978,924
6.13%, 03/01/28 (Call 03/01/23)^(a)		8,595		8,102,948

				1,887,590,353

Toys, Games & Hobbies — 0.3%
Mattel Inc.
5.88%, 12/15/27 (Call 12/15/22)^(a)(b)		14,715		14,365,519
6.75%, 12/31/25 (Call 12/31/20)^(a)(b)		36,087		36,639,131

				51,004,650

Transportation — 0.4%
Navios Maritime Holdings Inc./Navios Maritime Finance II U.S. Inc., 7.38%, 01/15/22 (Call 01/15/21)^(a)(b)		8,578		3,376,613
XPO Logistics Inc.
6.13%, 09/01/23 (Call 09/01/20)^(a)(b)		13,235		13,400,438
6.25%, 05/01/25 (Call 05/01/22)^(a)		7,838		7,935,975
6.50%, 06/15/22 (Call 06/15/20)^(a)(b)		25,390		25,491,560
6.75%, 08/15/24 (Call 08/15/21)^(a)(b)		23,104		23,787,876

				73,992,462

Trucking & Leasing — 0.2%
AerCap Global Aviation Trust, 6.50%, 06/15/45 (Call 06/15/25)^(a)(b)(c)		12,090		9,173,287
Fortress Transportation & Infrastructure Investors LLC
6.50%, 10/01/25 (Call 10/01/21)^(a)		8,674		7,156,050
6.75%, 03/15/22 (Call 03/15/21)^(a)(b)		18,145		16,351,367

				32,680,704


Total Corporate Bonds & Notes — 97.3% (Cost: $20,557,246,476)				19,010,540,857


Security	Shares (000)		Value

Short-Term Investments

Money Market Funds — 10.0%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.89%^(g)(h)(i)		1,611,080	$	1,612,851,809
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(g)(h)		331,140		331,140,000

				1,943,991,809


Total Short-Term Investments — 10.0% (Cost: $1,942,271,153)				1,943,991,809


Total Investments in Securities — 107.3% (Cost: $22,499,517,629)				20,954,532,666

Other Assets, Less Liabilities — (7.3)%				(1,427,389,630	)


Net Assets — 100.0%			$	19,527,143,036

^(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)	Security is issued at a fixed coupon rate, which converts to a variable rate at a specified date.

^(d)	Perpetual security with no stated maturity date.

^(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)	Issuer filed for bankruptcy and/or is in default.

^(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.

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, refer to a recently published shareholder report. Shareholder reports are available on the Fund’s website at iShares.com and on the U.S. Securities and Exchange Commission website at sec.gov.


Security	Par (000)		Value

Corporate Bonds & Notes

Advertising — 0.1%
Omnicom Group Inc./Omnicom Capital Inc.
3.60%, 04/15/26 (Call 01/15/26)	$	26,994	$	28,731,296
3.65%, 11/01/24 (Call 08/01/24)^(a)		15,845		16,909,252

				45,640,548

Aerospace & Defense — 1.8%
Boeing Co. (The)
2.70%, 02/01/27 (Call 12/01/26)^(a)		14,376		12,651,735
2.95%, 02/01/30 (Call 11/01/29)^(a)		12,158		10,385,674
3.20%, 03/01/29 (Call 12/01/28)^(a)		15,215		13,364,467
3.25%, 02/01/35 (Call 11/01/34)^(a)		16,201		13,427,418
3.60%, 05/01/34 (Call 02/01/34)		14,971		13,171,281
3.75%, 02/01/50 (Call 08/01/49)^(a)		15,222		12,185,304
3.90%, 05/01/49 (Call 11/01/48)^(a)		10,425		8,437,097
3.95%, 08/01/59 (Call 02/01/59)^(a)		13,251		10,375,381
General Dynamics Corp.
3.25%, 04/01/25 (Call 03/01/25)		10,000		10,854,237
3.38%, 05/15/23 (Call 04/15/23)		7,771		8,307,488
3.50%, 05/15/25 (Call 03/15/25)^(a)		11,684		12,843,639
3.63%, 04/01/30 (Call 01/01/30)		270		309,256
3.75%, 05/15/28 (Call 02/15/28)^(a)		14,019		15,903,075
4.25%, 04/01/40 (Call 10/01/39)		10,000		12,290,442
L3Harris Technologies Inc.
4.40%, 06/15/28 (Call 03/15/28)^(a)		9,681		10,988,953
4.40%, 06/15/28 (Call 03/15/28)^(b)		17,845		20,255,951
Lockheed Martin Corp.
2.90%, 03/01/25 (Call 12/01/24)^(a)		12,898		13,754,092
3.55%, 01/15/26 (Call 10/15/25)^(a)		26,853		30,139,281
3.80%, 03/01/45 (Call 09/01/44)^(a)		14,207		17,070,590
4.07%, 12/15/42		18,607		23,030,801
4.09%, 09/15/52 (Call 03/15/52)^(a)		19,641		25,334,788
4.70%, 05/15/46 (Call 11/15/45)		19,862		26,965,249
Northrop Grumman Corp.
2.93%, 01/15/25 (Call 11/15/24)^(a)		21,761		23,028,985
3.20%, 02/01/27 (Call 11/01/26)^(a)		8,031		8,662,597
3.25%, 08/01/23^(a)		8,854		9,445,621
3.25%, 01/15/28 (Call 10/15/27)^(a)		40,604		44,006,867
4.03%, 10/15/47 (Call 04/15/47)		31,888		38,452,572
4.75%, 06/01/43^(a)		14,429		18,636,775
Raytheon Technologies Corp.
2.65%, 11/01/26 (Call 08/01/26)		2,430		2,592,064
3.13%, 05/04/27 (Call 02/04/27)^(a)		18,110		19,603,235
3.75%, 11/01/46 (Call 05/01/46)		16,763		19,717,948
3.95%, 08/16/25 (Call 06/16/25)^(a)		28,726		32,211,061
4.13%, 11/16/28 (Call 08/16/28)^(a)		44,902		51,941,902
4.15%, 05/15/45 (Call 11/16/44)		15,120		18,560,553
4.45%, 11/16/38 (Call 05/16/38)^(a)		11,095		13,787,151
4.50%, 06/01/42^(a)		48,195		61,221,048
4.63%, 11/16/48 (Call 05/16/48)^(a)		24,811		33,229,906
5.70%, 04/15/40^(a)		13,783		19,650,637
6.13%, 07/15/38^(a)		16,339		24,064,618
Rockwell Collins Inc.
3.20%, 03/15/24 (Call 01/15/24)^(a)		11,111		11,790,100
3.50%, 03/15/27 (Call 12/15/26)^(a)		27,908		29,778,499
4.35%, 04/15/47 (Call 10/15/46)		15,045		18,273,452

				820,701,790

Agriculture — 1.6%
Altria Group Inc. 3.80%, 02/14/24 (Call 01/14/24)		19,538		20,902,598


Security	Par (000)		Value

Agriculture (continued)
3.88%, 09/16/46 (Call 03/16/46)^(a)	$	17,988	$	17,451,843
4.00%, 01/31/24^(a)		21,574		23,181,144
4.25%, 08/09/42		11,920		11,940,668
4.40%, 02/14/26 (Call 12/14/25)^(a)		18,994		21,088,113
4.80%, 02/14/29 (Call 11/14/28)^(a)		49,622		55,415,875
5.38%, 01/31/44^(a)		25,079		28,648,722
5.80%, 02/14/39 (Call 08/14/38)^(a)		30,122		35,825,007
5.95%, 02/14/49 (Call 08/14/48)^(a)		31,394		39,211,991
AgricultureArcher-Daniels-Midland Co., 2.50%, 08/11/26 (Call 05/11/26)^(a)		15,698		16,615,094
BAT Capital Corp.
2.79%, 09/06/24 (Call 08/06/24)^(a)		15,166		15,473,914
3.22%, 08/15/24 (Call 06/15/24)^(a)		38,227		39,530,839
3.22%, 09/06/26 (Call 07/06/26)^(a)		15,217		15,616,568
3.56%, 08/15/27 (Call 05/15/27)^(a)		58,313		59,873,619
4.39%, 08/15/37 (Call 02/15/37)^(a)		35,220		36,017,715
4.54%, 08/15/47 (Call 02/15/47)^(a)		33,282		34,778,412
4.76%, 09/06/49 (Call 03/06/49)^(a)		18,251		19,782,865
4.91%, 04/02/30 (Call 01/02/30)		515		577,168
Philip Morris International Inc.
2.75%, 02/25/26 (Call 11/25/25)^(a)		14,392		15,169,960
2.88%, 05/01/24 (Call 04/01/24)^(a)		10,839		11,413,933
3.25%, 11/10/24^(a)		11,180		12,090,433
3.38%, 08/11/25 (Call 05/11/25)^(a)		10,503		11,382,062
3.38%, 08/15/29 (Call 05/15/29)^(a)		14,687		16,173,837
3.88%, 08/21/42^(a)		10,296		11,239,712
4.13%, 03/04/43^(a)		17,375		19,600,112
4.25%, 11/10/44^(a)		19,463		22,590,817
4.38%, 11/15/41^(a)		9,776		11,241,884
4.88%, 11/15/43^(a)		9,646		11,931,926
6.38%, 05/16/38^(a)		18,840		26,887,457
Reynolds American Inc.
4.45%, 06/12/25 (Call 03/12/25)		38,876		42,263,278
5.70%, 08/15/35 (Call 02/15/35)		9,434		11,014,063
5.85%, 08/15/45 (Call 02/15/45)^(a)		28,922		34,130,956

				749,062,585

Airlines — 0.0%
Southwest Airlines Co.
4.75%, 05/04/23		7,495		7,463,971
5.25%, 05/04/25 (Call 04/04/25)		5,565		5,552,924

				13,016,895

Apparel — 0.2%
NIKE Inc.
2.38%, 11/01/26 (Call 08/01/26)^(a)		24,291		26,079,362
2.40%, 03/27/25 (Call 02/27/25)		200		210,751
2.75%, 03/27/27 (Call 01/27/27)^(a)		200		215,538
2.85%, 03/27/30 (Call 12/27/29)		25,000		27,127,290
3.25%, 03/27/40 (Call 09/27/39)		20,000		21,703,540
3.38%, 03/27/50 (Call 09/27/49)		15,000		16,817,107
3.88%, 11/01/45 (Call 05/01/45)^(a)		11,832		14,035,799

				106,189,387

Auto Manufacturers — 0.9%
Auto ManufacturersAmerican Honda Finance Corp., 2.15%, 09/10/24^(a)		12,582		12,442,877
Auto ManufacturersDaimler Finance North America LLC, 8.50%, 01/18/31^(a)		28,307		37,672,011
General Motors Co.
4.20%, 10/01/27 (Call 07/01/27)^(a)		11,109		9,900,638
4.88%, 10/02/23		19,039		18,654,132


Security	Par (000)		Value

Auto Manufacturers (continued)
5.00%, 10/01/28 (Call 07/01/28)^(a)	$	9,261	$	8,508,558
5.00%, 04/01/35^(a)		9,205		7,699,863
5.15%, 04/01/38 (Call 10/01/37)^(a)		13,829		11,384,401
5.20%, 04/01/45		19,343		15,510,660
5.40%, 04/01/48 (Call 10/01/47)^(a)		10,004		7,974,887
5.95%, 04/01/49 (Call 10/01/48)^(a)		15,637		13,298,329
6.25%, 10/02/43^(a)		21,901		18,991,752
6.60%, 04/01/36 (Call 10/01/35)^(a)		15,999		14,938,890
6.75%, 04/01/46 (Call 10/01/45)		12,373		11,253,396
General Motors Financial Co. Inc.
2.90%, 02/26/25 (Call 01/26/25)^(a)		16,685		14,966,704
3.50%, 11/07/24 (Call 09/07/24)^(a)		12,192		11,163,613
3.70%, 05/09/23 (Call 03/09/23)		6,221		5,952,672
3.95%, 04/13/24 (Call 02/13/24)		11,369		10,674,767
4.00%, 01/15/25 (Call 10/15/24)		19,048		17,771,243
4.00%, 10/06/26 (Call 07/06/26)^(a)		13,784		12,454,423
4.15%, 06/19/23 (Call 05/19/23)^(a)		8,062		7,826,226
4.30%, 07/13/25 (Call 04/13/25)^(a)		14,027		13,132,490
4.35%, 04/09/25 (Call 02/09/25)^(a)		15,286		14,360,641
4.35%, 01/17/27 (Call 10/17/26)^(a)		19,574		17,770,835
5.10%, 01/17/24 (Call 12/17/23)^(a)		18,580		18,141,885
5.25%, 03/01/26 (Call 12/01/25)^(a)		24,352		23,421,486
Auto ManufacturersToyota Motor Corp., 3.42%, 07/20/23^(a)		4,075		4,348,327
Toyota Motor Credit Corp.
2.15%, 02/13/30		17,357		17,144,545
3.00%, 04/01/25		500		530,955
3.20%, 01/11/27^(a)		13,205		14,116,076
3.45%, 09/20/23^(a)		8,925		9,482,198

				401,489,480

Auto Parts & Equipment — 0.0%
Auto Parts & EquipmentLear Corp., 3.80%, 09/15/27 (Call 06/15/27)^(a)		11,353		10,545,501


Banks — 24.0%
BanksAustralia & New Zealand Banking Group Ltd./New York NY, 3.70%, 11/16/25^(a)		11,330		12,459,356
Banco Santander SA
2.71%, 06/27/24		22,761		23,316,350
3.31%, 06/27/29^(a)		17,058		17,650,899
3.80%, 02/23/28		15,460		16,072,224
3.85%, 04/12/23^(a)		6,325		6,557,759
4.25%, 04/11/27^(a)		16,766		17,876,426
4.38%, 04/12/28^(a)		16,707		18,081,746
Bank of America Corp.
2.02%, 02/13/26 (Call 02/13/25)^(c)		39,309		39,485,757
2.46%, 10/22/25 (Call 10/22/24)^(a)(c)		20,765		21,232,246
2.50%, 02/13/31 (Call 02/13/30)^(c)		58,634		59,292,155
2.59%, 04/29/31 (Call 04/29/30)^(c)		30,000		30,671,832
2.88%, 10/22/30 (Call 10/22/29)^(c)		33,197		34,434,126
3.09%, 10/01/25 (Call 10/01/24)^(c)		24,043		25,212,841
3.19%, 07/23/30 (Call 07/23/29)^(c)		36,902		39,404,590
3.25%, 10/21/27 (Call 10/21/26)^(a)		15,891		16,910,501
3.37%, 01/23/26 (Call 01/23/25)^(a)(c)		34,865		37,203,849
3.42%, 12/20/28 (Call 12/20/27)^(a)(c)		79,101		84,881,329
3.46%, 03/15/25 (Call 03/15/24)^(a)(c)		25,198		26,661,129
3.50%, 04/19/26^(a)		32,876		35,739,513
3.56%, 04/23/27 (Call 04/23/26)^(c)		40,213		43,387,949
3.59%, 07/21/28 (Call 07/21/27)^(a)(c)		25,109		27,127,701
3.71%, 04/24/28 (Call 04/24/27)^(a)(c)		26,531		28,947,351


Security	Par (000)		Value

Banks (continued)
3.82%, 01/20/28 (Call 01/20/27)^(a)(c)	$	28,202	$	30,876,686
3.86%, 07/23/24 (Call 07/23/23)^(a)(c)		24,456		26,066,293
3.88%, 08/01/25		24,210		26,539,711
3.95%, 01/23/49 (Call 01/23/48)^(a)(c)		16,456		19,140,420
3.97%, 03/05/29 (Call 03/05/28)^(c)		33,927		37,775,889
3.97%, 02/07/30 (Call 02/07/29)^(a)(c)		39,251		43,992,627
4.00%, 04/01/24^(a)		22,848		24,751,099
4.00%, 01/22/25^(a)		33,246		35,796,241
4.08%, 04/23/40 (Call 04/23/39)^(c)		23,381		27,021,389
4.08%, 03/20/51 (Call 03/20/50)^(c)		60,200		72,300,898
4.10%, 07/24/23^(a)		15,485		16,688,686
4.13%, 01/22/24^(a)		28,838		31,272,094
4.20%, 08/26/24^(a)		26,170		28,188,568
4.24%, 04/24/38 (Call 04/24/37)^(c)		30,704		36,129,510
4.25%, 10/22/26^(a)		19,232		20,996,065
4.27%, 07/23/29 (Call 07/23/28)^(a)(c)		39,787		45,260,068
4.33%, 03/15/50 (Call 03/15/49)^(a)(c)		36,566		45,037,333
4.44%, 01/20/48 (Call 01/20/47)^(c)		30,412		37,664,043
4.45%, 03/03/26		27,000		29,791,600
5.00%, 01/21/44		23,703		31,018,843
5.88%, 02/07/42^(a)		17,680		25,412,415
6.11%, 01/29/37^(a)		29,817		40,077,113
7.75%, 05/14/38^(a)		21,682		33,979,918
Series L, 3.95%, 04/21/25^(a)		33,015		35,482,327
Series L, 4.18%, 11/25/27 (Call 11/25/26)^(a)		16,108		17,669,068
BanksBank of America N.A., 6.00%, 10/15/36		13,023		18,259,216
Bank of Montreal
1.85%, 05/01/25		700		702,357
2.50%, 06/28/24^(a)		20,628		21,272,128
Series E, 3.30%, 02/05/24^(a)		26,247		27,745,945
Bank of New York Mellon Corp. (The)
2.10%, 10/24/24^(a)		14,513		14,933,620
2.20%, 08/16/23 (Call 06/16/23)		15,105		15,499,055
2.45%, 08/17/26 (Call 05/17/26)^(a)		14,698		15,319,055
2.80%, 05/04/26 (Call 02/04/26)^(a)		12,847		13,629,634
3.25%, 05/16/27 (Call 02/16/27)^(a)		12,323		13,368,552
3.30%, 08/23/29 (Call 05/23/29)^(a)		11,096		12,273,156
3.40%, 01/29/28 (Call 10/29/27)^(a)		11,919		13,164,396
3.45%, 08/11/23^(a)		13,054		13,947,576
3.85%, 04/28/28^(a)		534		606,399
Series 0012, 3.65%, 02/04/24 (Call 01/05/24)^(a)		10,195		11,124,065
Series G, 3.00%, 02/24/25 (Call 01/24/25)^(a)		11,908		12,773,433
Bank of Nova Scotia (The)
2.20%, 02/03/25		26,916		27,386,357
2.70%, 08/03/26^(a)		23,824		24,913,874
3.40%, 02/11/24		7,570		8,047,574
4.50%, 12/16/25^(a)		15,644		17,085,219
Barclays PLC
3.65%, 03/16/25^(a)		32,610		33,825,942
3.93%, 05/07/25 (Call 05/07/24)^(a)(c)		25,958		27,092,318
4.34%, 05/16/24 (Call 05/16/23)^(c)		9,463		9,931,533
4.34%, 01/10/28 (Call 01/10/27)^(a)		20,107		21,593,531
4.38%, 09/11/24		18,518		19,019,404
4.38%, 01/12/26		38,148		41,086,552
4.84%, 05/09/28 (Call 05/07/27)		30,484		31,995,979
4.95%, 01/10/47^(a)		18,253		21,904,814
4.97%, 05/16/29 (Call 05/16/28)^(a)(c)		29,155		32,804,337
5.20%, 05/12/26		32,442		35,178,333
5.25%, 08/17/45^(a)		19,391		24,089,445
BanksBNP Paribas SA, 4.25%, 10/15/24^(a)		9,460		10,059,445


Security	Par (000)		Value

Banks (continued)
BanksBPCE SA, 4.00%, 04/15/24^(a)	$	23,807	$	25,650,174
Canadian Imperial Bank of Commerce
2.25%, 01/28/25^(a)		17,790		17,912,815
3.10%, 04/02/24^(a)		17,862		18,516,394
3.50%, 09/13/23^(a)		11,481		12,293,799
BanksCitibank N.A., 3.65%, 01/23/24 (Call 12/23/23)^(a)		25,659		27,433,679
Citigroup Inc.
2.67%, 01/29/31 (Call 01/29/30)^(a)(c)		31,656		31,816,436
2.98%, 11/05/30 (Call 11/05/29)^(c)		35,892		36,629,595
3.11%, 04/08/26 (Call 04/08/25)^(c)		16,340		17,093,253
3.20%, 10/21/26 (Call 07/21/26)^(a)		44,136		46,327,630
3.30%, 04/27/25^(a)		24,154		25,577,475
3.35%, 04/24/25 (Call 04/24/24)^(a)(c)		27,085		28,107,564
3.40%, 05/01/26^(a)		27,344		29,115,079
3.50%, 05/15/23^(a)		7,367		7,660,767
3.52%, 10/27/28 (Call 10/27/27)^(c)		33,445		35,629,637
3.67%, 07/24/28 (Call 07/24/27)^(a)(c)		37,483		39,850,771
3.70%, 01/12/26^(a)		30,547		33,028,345
3.88%, 10/25/23^(a)		14,701		15,663,492
3.88%, 03/26/25^(a)		18,981		20,121,559
3.88%, 01/24/39 (Call 01/24/38)^(a)(c)		16,951		18,315,927
3.89%, 01/10/28 (Call 01/10/27)^(c)		41,579		44,855,762
3.98%, 03/20/30 (Call 03/20/29)^(c)		38,388		42,308,923
4.00%, 08/05/24^(a)		11,644		12,419,075
4.04%, 06/01/24 (Call 06/01/23)^(c)		13,442		14,340,818
4.08%, 04/23/29 (Call 04/23/28)^(a)(c)		27,573		30,380,829
4.13%, 07/25/28^(a)		30,666		33,152,068
4.28%, 04/24/48 (Call 04/24/47)^(a)(c)		15,414		17,970,056
4.30%, 11/20/26^(a)		12,327		13,406,294
4.40%, 06/10/25		39,332		42,803,541
4.41%, 03/31/31 (Call 03/31/30)^(c)		25,195		29,012,383
4.45%, 09/29/27		50,988		55,919,031
4.60%, 03/09/26		22,789		25,117,409
4.65%, 07/30/45^(a)		15,312		18,511,638
4.65%, 07/23/48 (Call 06/23/48)^(a)		44,675		55,146,271
4.75%, 05/18/46^(a)		28,945		34,922,805
5.30%, 05/06/44^(a)		8,153		10,367,007
5.32%, 03/26/41 (Call 03/26/40)^(c)		5,000		6,411,490
5.50%, 09/13/25^(a)		22,475		25,713,886
5.88%, 01/30/42^(a)		16,694		23,022,069
6.63%, 06/15/32		13,126		17,099,891
6.68%, 09/13/43		14,650		21,401,457
8.13%, 07/15/39^(a)		28,233		46,492,992
BanksCitizens Financial Group Inc., 4.30%, 12/03/25 (Call 11/03/25)^(a)		11,907		12,720,705
Cooperatieve Rabobank UA
3.75%, 07/21/26^(a)		22,545		23,554,035
4.38%, 08/04/25^(a)		20,435		21,957,126
4.63%, 12/01/23^(a)		17,014		18,223,770
5.25%, 05/24/41^(a)		22,412		31,716,080
5.25%, 08/04/45		17,697		23,122,100
5.75%, 12/01/43^(a)		17,852		24,485,723
BanksCooperatieve Rabobank UA/NY, 3.38%, 05/21/25		16,852		18,049,916
BanksCredit Suisse AG/New York NY, 3.63%, 09/09/24^(a)		41,094		44,054,173
Credit Suisse Group Funding Guernsey Ltd.
3.75%, 03/26/25^(a)		38,788		41,199,419
3.80%, 06/09/23^(a)		18,395		19,229,132
4.55%, 04/17/26^(a)		30,006		33,364,356


Security	Par (000)		Value

Banks (continued)
4.88%, 05/15/45	$	29,404	$	36,733,829
BanksDeutsche Bank AG/London, 3.70%, 05/30/24^(a)		8,868		8,732,189
Deutsche Bank AG/New York NY
3.70%, 05/30/24^(a)		11,646		11,241,229
3.96%, 11/26/25 (Call 11/26/24)^(a)(c)		25,386		24,747,303
Discover Bank
2.45%, 09/12/24 (Call 08/12/24)^(a)		9,900		9,673,238
3.45%, 07/27/26 (Call 04/27/26)		14,659		14,552,171
4.20%, 08/08/23		3,893		4,048,063
4.65%, 09/13/28 (Call 06/13/28)^(a)		15,072		15,843,884
Fifth Third Bancorp.
2.38%, 01/28/25 (Call 12/28/24)		17,907		18,147,333
3.65%, 01/25/24 (Call 12/25/23)		24,822		26,289,578
4.30%, 01/16/24 (Call 12/16/23)		9,684		10,351,129
8.25%, 03/01/38		14,882		22,004,582
Fifth Third Bank/Cincinnati OH
3.85%, 03/15/26 (Call 02/15/26)		11,555		12,391,402
3.95%, 07/28/25 (Call 06/28/25)		8,175		9,144,895
Goldman Sachs Group Inc. (The)
2.60%, 02/07/30 (Call 11/07/29)^(a)		32,282		32,025,097
3.27%, 09/29/25 (Call 09/29/24)^(a)(c)		37,131		38,780,949
3.50%, 01/23/25 (Call 10/23/24)^(a)		42,250		44,745,327
3.50%, 04/01/25 (Call 03/01/25)^(a)		9,565		10,189,575
3.50%, 11/16/26 (Call 11/16/25)		42,024		44,649,752
3.63%, 02/20/24 (Call 01/20/24)^(a)		21,174		22,424,033
3.69%, 06/05/28 (Call 06/05/27)^(a)(c)		39,008		41,643,447
3.75%, 05/22/25 (Call 02/22/25)^(a)		33,403		35,547,035
3.75%, 02/25/26 (Call 11/25/25)^(a)		26,746		28,829,021
3.81%, 04/23/29 (Call 04/23/28)^(c)		37,759		40,669,943
3.85%, 07/08/24 (Call 04/08/24)		30,042		32,017,349
3.85%, 01/26/27 (Call 01/26/26)^(a)		44,025		47,455,146
4.00%, 03/03/24^(a)		40,653		43,720,253
4.02%, 10/31/38 (Call 10/31/37)^(c)		36,950		40,349,167
4.22%, 05/01/29 (Call 05/01/28)^(a)(c)		53,794		59,350,748
4.25%, 10/21/25^(a)		28,287		30,152,794
4.41%, 04/23/39 (Call 04/23/38)^(c)		31,473		35,880,863
4.75%, 10/21/45 (Call 04/21/45)		22,486		27,401,449
4.80%, 07/08/44 (Call 01/08/44)^(a)		25,219		30,587,959
5.15%, 05/22/45^(a)		27,141		32,994,841
5.95%, 01/15/27^(a)		11,637		13,838,327
6.13%, 02/15/33		14,887		19,546,277
6.25%, 02/01/41		35,973		50,134,840
6.75%, 10/01/37^(a)		78,297		106,761,162
HSBC Holdings PLC
2.63%, 11/07/25 (Call 11/07/24)^(a)(c)		27,867		28,419,363
3.60%, 05/25/23^(a)		17,841		18,788,921
3.80%, 03/11/25 (Call 03/11/24)^(a)(c)		37,053		39,451,485
3.90%, 05/25/26^(a)		33,566		36,424,299
3.95%, 05/18/24 (Call 05/18/23)^(a)(c)		14,930		15,763,358
3.97%, 05/22/30 (Call 05/22/29)^(a)(c)		46,036		50,276,519
4.04%, 03/13/28 (Call 03/13/27)^(a)(c)		44,197		47,806,644
4.25%, 03/14/24^(a)		15,356		16,292,757
4.25%, 08/18/25^(a)		23,071		24,537,610
4.29%, 09/12/26 (Call 09/12/25)^(a)(c)		29,854		32,572,607
4.30%, 03/08/26^(a)		45,532		50,379,970
4.38%, 11/23/26^(a)		18,904		20,517,627
4.58%, 06/19/29 (Call 06/19/28)^(a)(c)		44,379		50,198,503
4.95%, 03/31/30^(a)		1,257		1,482,610
5.25%, 03/14/44^(a)		22,222		28,185,056
6.10%, 01/14/42^(a)		12,571		17,723,848


Security	Par (000)		Value

Banks (continued)
6.50%, 05/02/36^(a)	$	25,935	$	34,879,136
6.50%, 09/15/37		37,686		51,347,948
6.80%, 06/01/38^(a)		19,153		26,897,037
BanksHSBC USA Inc., 3.50%, 06/23/24^(a)		11,455		12,104,982
Huntington Bancshares Inc./OH
2.55%, 02/04/30 (Call 11/04/29)		13,899		13,214,149
2.63%, 08/06/24 (Call 07/06/24)		15,004		15,376,321
BanksHuntington National Bank (The), 3.55%, 10/06/23 (Call 09/06/23)^(a)		12,367		13,226,280
ING Groep NV
3.55%, 04/09/24^(a)		11,978		12,554,562
3.95%, 03/29/27^(a)		22,194		24,101,082
4.05%, 04/09/29^(a)		15,000		16,633,502
4.10%, 10/02/23		14,342		15,269,539
4.55%, 10/02/28^(a)		18,782		21,359,925
JPMorgan Chase & Co.
2.08%, 04/22/26 (Call 04/22/25)^(c)		3,000		3,019,152
2.30%, 10/15/25 (Call 10/15/24)^(c)		33,316		33,993,161
2.52%, 04/22/31 (Call 04/22/30)^(c)		3,000		3,035,390
2.70%, 05/18/23 (Call 03/18/23)^(a)		13,300		13,750,113
2.74%, 10/15/30 (Call 10/15/29)^(c)		52,664		54,560,978
2.95%, 10/01/26 (Call 07/01/26)^(a)		43,325		45,430,760
3.11%, 04/22/41 (Call 04/22/40)^(c)		2,000		2,059,884
3.11%, 04/22/51 (Call 04/22/50)^(c)		2,400		2,466,537
3.13%, 01/23/25 (Call 10/23/24)^(a)		36,003		37,916,721
3.20%, 06/15/26 (Call 03/15/26)^(a)		23,804		25,329,398
3.22%, 03/01/25 (Call 03/01/24)^(c)		28,879		30,314,335
3.30%, 04/01/26 (Call 01/01/26)^(a)		36,577		39,222,179
3.38%, 05/01/23		22,057		23,094,455
3.51%, 01/23/29 (Call 01/23/28)^(c)		32,785		35,592,317
3.54%, 05/01/28 (Call 05/01/27)^(a)(c)		36,182		39,031,134
3.56%, 04/23/24 (Call 04/23/23)^(c)		40		42,168
3.63%, 05/13/24^(a)		26,604		28,643,356
3.63%, 12/01/27 (Call 12/01/26)^(a)		11,735		12,578,820
3.70%, 05/06/30 (Call 05/06/29)^(a)(c)		37,539		41,340,402
3.78%, 02/01/28 (Call 02/01/27)^(a)(c)		33,737		36,797,088
3.80%, 07/23/24 (Call 07/23/23)^(a)(c)		25,936		27,675,434
3.88%, 02/01/24^(a)		14,464		15,714,544
3.88%, 09/10/24^(a)		35,949		38,690,665
3.88%, 07/24/38 (Call 07/24/37)^(c)		38,222		43,161,242
3.90%, 07/15/25 (Call 04/15/25)^(a)		47,447		52,069,842
3.90%, 01/23/49 (Call 01/23/48)^(a)(c)		28,988		33,744,519
3.96%, 01/29/27 (Call 01/29/26)^(a)(c)		29,192		32,250,860
3.96%, 11/15/48 (Call 11/15/47)^(c)		50,812		59,655,971
4.01%, 04/23/29 (Call 04/23/28)^(c)		35,136		38,983,571
4.02%, 12/05/24 (Call 12/05/23)^(a)(c)		31,642		34,248,203
4.03%, 07/24/48 (Call 07/24/47)^(c)		29,704		35,145,841
4.13%, 12/15/26^(a)		23,710		26,211,599
4.20%, 07/23/29 (Call 07/23/28)^(a)(c)		37,331		42,054,409
4.25%, 10/01/27^(a)		16,188		18,138,628
4.26%, 02/22/48 (Call 02/22/47)^(c)		27,738		33,916,082
4.45%, 12/05/29 (Call 12/05/28)^(a)(c)		32,583		37,502,890
4.85%, 02/01/44^(a)		23,987		31,302,421
4.95%, 06/01/45^(a)		16,904		21,402,273
5.40%, 01/06/42		17,749		24,309,341
5.50%, 10/15/40^(a)		20,385		27,943,428
5.60%, 07/15/41^(a)		22,841		31,753,777
5.63%, 08/16/43		15,483		20,831,870
6.40%, 05/15/38^(a)		35,401		51,589,283
BanksKeyBank N.A./Cleveland OH, 3.30%, 06/01/25		11,122		11,886,266


Security	Par (000)		Value

Banks (continued)
KeyCorp
2.25%, 04/06/27	$	6,521	$	6,320,520
2.55%, 10/01/29^(a)		14,725		14,206,871
4.10%, 04/30/28^(a)		14,802		16,024,672
Lloyds Banking Group PLC
2.44%, 02/05/26 (Call 02/05/25)^(a)(c)		27,799		27,749,913
3.57%, 11/07/28 (Call 11/07/27)^(c)		18,322		19,142,393
3.75%, 01/11/27^(a)		19,955		21,177,822
3.87%, 07/09/25 (Call 07/09/24)^(c)		250		262,963
3.90%, 03/12/24^(a)		12,735		13,401,183
4.05%, 08/16/23^(a)		21,000		22,180,778
4.34%, 01/09/48^(a)		16,546		18,069,069
4.38%, 03/22/28		23,345		25,819,178
4.45%, 05/08/25^(a)		29,489		32,043,874
4.50%, 11/04/24^(a)		11,643		12,338,960
4.55%, 08/16/28^(a)		19,653		22,016,824
4.58%, 12/10/25		22,290		24,093,578
4.65%, 03/24/26^(a)		18,141		19,693,260
5.30%, 12/01/45^(a)		10,861		13,424,211
BanksManufacturers & Traders Trust Co., 2.90%, 02/06/25 (Call 01/06/25)^(a)		14,413		15,236,452
Mitsubishi UFJ Financial Group Inc.
2.19%, 02/25/25		25,851		25,943,875
2.56%, 02/25/30		13,060		13,313,188
2.76%, 09/13/26^(a)		16,930		17,544,195
2.80%, 07/18/24^(a)		13,847		14,404,260
3.20%, 07/18/29		29,233		30,883,767
3.29%, 07/25/27^(a)		15,000		15,815,123
3.41%, 03/07/24^(a)		23,691		24,908,082
3.68%, 02/22/27^(a)		17,020		18,461,994
3.74%, 03/07/29^(a)		22,288		24,468,500
3.75%, 07/18/39^(a)		21,192		23,371,828
3.76%, 07/26/23^(a)		10,808		11,422,327
3.78%, 03/02/25		11,284		12,146,621
3.85%, 03/01/26^(a)		26,196		28,715,641
3.96%, 03/02/28		12,823		14,331,947
4.05%, 09/11/28^(a)		11,242		12,530,084
Mizuho Financial Group Inc.
2.23%, 05/25/26 (Call 05/25/25)^(c)		17,538		17,534,994
2.84%, 09/13/26^(a)		16,486		17,136,041
3.15%, 07/16/30 (Call 07/16/29)^(a)(c)		15,082		15,885,190
3.17%, 09/11/27		14,352		14,988,382
3.92%, 09/11/24 (Call 09/11/23)^(a)(c)		5,118		5,446,185
4.02%, 03/05/28^(a)		19,898		22,025,948
4.25%, 09/11/29 (Call 09/11/28)^(c)		15,850		17,897,452
Morgan Stanley
2.19%, 04/28/26 (Call 04/28/25)^(c)		16,760		16,907,952
2.70%, 01/22/31 (Call 01/22/30)^(a)(c)		61,300		62,576,763
2.72%, 07/22/25 (Call 07/22/24)^(a)(c)		30,262		31,135,077
3.13%, 07/27/26		43,614		46,076,364
3.59%, 07/22/28 (Call 07/22/27)^(a)(c)		39,170		42,643,709
3.62%, 04/01/31 (Call 04/01/30)^(c)		23,190		25,338,614
3.63%, 01/20/27^(a)		40,425		43,988,225
3.70%, 10/23/24		40,465		43,651,704
3.74%, 04/24/24 (Call 04/24/23)^(c)		200		211,986
3.77%, 01/24/29 (Call 01/24/28)^(a)(c)		44,560		49,048,453
3.88%, 01/27/26^(a)		40,704		44,741,157
3.95%, 04/23/27^(a)		29,508		31,333,477
3.97%, 07/22/38 (Call 07/22/37)^(c)		30,181		34,346,262
4.00%, 07/23/25^(a)		44,671		48,967,327


Security	Par (000)		Value

Banks (continued)
4.10%, 05/22/23^(a)	$	16,904	$	17,819,032
4.30%, 01/27/45^(a)		33,683		40,621,418
4.35%, 09/08/26		30,263		33,181,167
4.38%, 01/22/47^(a)		41,866		51,831,130
4.43%, 01/23/30 (Call 01/23/29)^(c)		44,248		51,213,405
4.46%, 04/22/39 (Call 04/22/38)^(a)(c)		13,189		15,931,223
5.00%, 11/24/25^(a)		28,538		32,258,257
5.60%, 03/24/51 (Call 03/24/50)^(c)		10,000		14,351,718
6.38%, 07/24/42^(a)		26,568		40,177,633
7.25%, 04/01/32^(a)		17,357		24,972,627
Series F, 3.88%, 04/29/24^(a)		39,614		42,602,294
National Australia Bank Ltd./New York
2.50%, 07/12/26^(a)		19,232		19,873,581
3.38%, 01/14/26^(a)		11,323		12,218,530
3.63%, 06/20/23		7,960		8,503,420
BanksNorthern Trust Corp., 3.95%, 10/30/25^(a)		14,008		15,630,013
PNC Bank N.A.
2.70%, 10/22/29		13,244		13,575,958
2.95%, 02/23/25 (Call 01/24/25)^(a)		11,320		12,003,885
3.10%, 10/25/27 (Call 09/25/27)^(a)		17,704		18,950,080
3.25%, 06/01/25 (Call 05/02/25)		13,134		14,088,022
3.50%, 06/08/23 (Call 05/09/23)		8,165		8,684,923
3.80%, 07/25/23 (Call 06/25/23)		3,960		4,233,535
4.05%, 07/26/28		18,825		21,137,286
PNC Financial Services Group Inc. (The)
2.55%, 01/22/30 (Call 10/24/29)		29,927		30,588,025
2.60%, 07/23/26 (Call 05/23/26)^(a)		15,543		16,162,148
3.15%, 05/19/27 (Call 04/19/27)^(a)		10,961		11,877,651
3.45%, 04/23/29 (Call 01/23/29)^(a)		21,561		23,617,650
3.50%, 01/23/24 (Call 12/23/23)		11,434		12,179,595
3.90%, 04/29/24 (Call 03/29/24)^(a)		7,751		8,383,566
BanksRegions Financial Corp., 3.80%, 08/14/23 (Call 07/14/23)^(a)		9,746		10,268,152
Royal Bank of Canada
2.25%, 11/01/24^(a)		27,027		27,630,691
2.55%, 07/16/24^(a)		18,874		19,487,732
3.70%, 10/05/23^(a)		14,750		15,774,115
4.65%, 01/27/26^(a)		19,970		22,669,341
Royal Bank of Scotland Group PLC
3.88%, 09/12/23^(a)		29,884		31,271,577
4.27%, 03/22/25 (Call 03/22/24)^(a)(c)		36,140		38,227,757
4.45%, 05/08/30 (Call 05/08/29)^(c)		18,903		21,038,561
4.52%, 06/25/24 (Call 06/25/23)^(a)(c)		9,247		9,769,984
4.80%, 04/05/26^(a)		18,931		20,943,653
4.89%, 05/18/29 (Call 05/18/28)^(c)		30,195		34,084,104
5.08%, 01/27/30 (Call 01/27/29)^(a)(c)		27,600		31,803,187
5.13%, 05/28/24^(a)		34,155		36,218,222
6.00%, 12/19/23^(a)		25,667		27,926,661
6.10%, 06/10/23^(a)		2,455		2,652,424
Santander Holdings USA Inc.
3.24%, 10/05/26 (Call 08/05/26)		10,245		9,836,879
3.50%, 06/07/24 (Call 05/07/24)^(a)		13,021		13,016,564
4.40%, 07/13/27 (Call 04/14/27)		21,388		21,701,522
4.50%, 07/17/25 (Call 04/17/25)^(a)		18,831		19,331,579
Santander UK Group Holdings PLC
3.82%, 11/03/28 (Call 11/03/27)^(a)(c)		19,392		20,555,326
4.80%, 11/15/24 (Call 11/15/23)^(a)(c)		10,553		11,324,766
Santander UK PLC
2.88%, 06/18/24^(a)		14,065		14,521,496
4.00%, 03/13/24^(a)		9,609		10,295,033


Security	Par (000)		Value

Banks (continued)
State Street Corp.
2.40%, 01/24/30^(a)	$	11,103	$	11,511,195
2.65%, 05/19/26^(a)		16,168		17,048,846
3.10%, 05/15/23^(a)		11,843		12,404,017
3.30%, 12/16/24^(a)		3,970		4,326,842
3.55%, 08/18/25^(a)		18,331		20,276,676
3.70%, 11/20/23^(a)		7,824		8,651,214
Sumitomo Mitsui Financial Group Inc.
2.35%, 01/15/25^(a)		21,158		21,427,765
2.45%, 09/27/24^(a)		8,199		8,335,726
2.63%, 07/14/26^(a)		27,525		28,371,776
2.70%, 07/16/24^(a)		35,568		36,389,806
2.75%, 01/15/30		22,438		23,234,827
3.01%, 10/19/26^(a)		17,639		18,558,772
3.04%, 07/16/29^(a)		40,779		42,774,961
3.35%, 10/18/27^(a)		7,176		7,663,248
3.36%, 07/12/27^(a)		24,360		25,854,074
3.45%, 01/11/27^(a)		19,071		20,220,590
3.54%, 01/17/28^(a)		14,214		15,284,577
3.75%, 07/19/23^(a)		10,812		11,399,890
3.78%, 03/09/26^(a)		19,062		20,798,110
3.94%, 10/16/23^(a)		3,935		4,183,271
3.94%, 07/19/28		6,850		7,595,806
BanksSvenska Handelsbanken AB, 3.90%, 11/20/23^(a)		11,608		12,474,016
Toronto-Dominion Bank (The)
2.65%, 06/12/24^(a)		25,617		26,592,859
3.25%, 03/11/24		16,063		17,034,339
3.50%, 07/19/23^(a)		17,739		19,007,484
Truist Bank
1.50%, 03/10/25 (Call 02/10/25)		5,622		5,598,935
2.15%, 12/06/24 (Call 11/05/24)		15,721		16,025,936
3.20%, 04/01/24 (Call 03/01/24)^(a)		12,451		13,165,804
3.30%, 05/15/26 (Call 04/15/26)^(a)		10,910		11,550,924
3.63%, 09/16/25 (Call 08/16/25)		21,511		23,164,566
3.80%, 10/30/26 (Call 09/30/26)^(a)		11,232		12,409,307
Truist Financial Corp.
2.50%, 08/01/24 (Call 07/01/24)^(a)		14,553		15,012,041
2.85%, 10/26/24 (Call 09/26/24)^(a)		19,763		20,746,476
3.70%, 06/05/25 (Call 05/05/25)^(a)		21,746		23,768,637
3.75%, 12/06/23 (Call 11/06/23)^(a)		7,442		7,993,990
4.00%, 05/01/25 (Call 03/01/25)		10,123		11,135,716
U.S. Bancorp.
2.40%, 07/30/24 (Call 06/28/24)		11,251		11,710,337
3.00%, 07/30/29 (Call 04/30/29)^(a)		22,794		23,945,462
3.10%, 04/27/26 (Call 03/27/26)^(a)		16,723		17,761,415
3.38%, 02/05/24 (Call 01/05/24)^(a)		14,306		15,368,826
3.60%, 09/11/24 (Call 08/11/24)^(a)		13,440		14,460,247
3.70%, 01/30/24 (Call 12/29/23)^(a)		5,731		6,193,827
3.90%, 04/26/28 (Call 03/24/28)^(a)		10,857		12,429,614
3.95%, 11/17/25 (Call 10/17/25)^(a)		8,800		9,898,067
Series V, 2.38%, 07/22/26 (Call 06/22/26)^(a)		16,221		16,908,044
Series X, 3.15%, 04/27/27 (Call 03/27/27)^(a)		23,580		25,641,361
U.S. Bank N.A./Cincinnati OH
2.05%, 01/21/25 (Call 12/20/24)^(a)		11,386		11,690,902
2.80%, 01/27/25 (Call 12/27/24)		18,969		20,170,933
3.40%, 07/24/23 (Call 06/23/23)		13,347		14,248,235
BanksWachovia Corp., 5.50%, 08/01/35^(a)		10,598		12,977,365
Wells Fargo & Co.
2.16%, 02/11/26 (Call 02/11/25)^(a)(c)		35,272		35,321,793
2.41%, 10/30/25 (Call 10/30/24)^(c)		44,792		45,474,406


Security	Par (000)		Value

Banks (continued)
2.57%, 02/11/31 (Call 02/11/30)^(c)	$	49,616	$	49,178,129
2.88%, 10/30/30 (Call 10/30/29)^(c)		54,099		55,106,718
3.00%, 02/19/25^(a)		36,489		38,173,894
3.00%, 04/22/26^(a)		50,590		53,212,535
3.00%, 10/23/26^(a)		43,522		45,422,863
3.07%, 04/30/41 (Call 04/30/40)^(c)		455		454,291
3.20%, 06/17/27 (Call 06/17/26)^(a)(c)		37,743		39,853,083
3.30%, 09/09/24^(a)		29,367		31,144,308
3.55%, 09/29/25^(a)		38,004		40,854,224
3.58%, 05/22/28 (Call 05/22/27)^(c)		44,617		47,735,135
3.75%, 01/24/24 (Call 12/24/23)		38,658		41,150,687
3.90%, 05/01/45		33,713		38,519,985
4.10%, 06/03/26		34,806		37,648,623
4.13%, 08/15/23^(a)		15,305		16,212,984
4.15%, 01/24/29 (Call 10/24/28)^(a)		42,791		48,433,301
4.30%, 07/22/27^(a)		36,137		39,521,732
4.40%, 06/14/46^(a)		20,950		23,625,893
4.48%, 04/04/31 (Call 04/04/30)^(c)		40,000		46,399,448
4.65%, 11/04/44^(a)		29,073		34,085,662
4.75%, 12/07/46^(a)		25,799		30,468,255
4.90%, 11/17/45		27,819		33,195,370
5.01%, 04/04/51 (Call 04/04/50)^(c)		50,485		66,180,468
5.38%, 02/07/35^(a)		12,056		15,401,686
5.38%, 11/02/43^(a)		31,302		39,459,226
5.61%, 01/15/44		32,262		41,748,890
Wells Fargo Bank N.A.
3.55%, 08/14/23 (Call 07/14/23)^(a)		23,080		24,557,916
5.85%, 02/01/37^(a)		12,709		16,916,581
6.60%, 01/15/38		22,824		32,271,915
Westpac Banking Corp.
2.35%, 02/19/25		17,169		17,575,615
2.65%, 01/16/30^(a)		10,276		10,551,726
2.70%, 08/19/26^(a)		15,739		16,450,289
2.85%, 05/13/26		34,903		36,657,710
3.30%, 02/26/24^(a)		19,690		20,861,189
3.35%, 03/08/27^(a)		25,546		27,497,727
3.40%, 01/25/28^(a)		9,735		10,612,524
3.65%, 05/15/23^(a)		9,496		10,121,417
4.42%, 07/24/39		11,732		12,869,365

				11,075,837,054

Beverages — 3.4%
Anheuser-Busch Companies LLC/Anheuser-Busch InBev Worldwide Inc.
3.65%, 02/01/26 (Call 11/01/25)^(a)		47,407		51,683,036
4.70%, 02/01/36 (Call 08/01/35)		73,458		81,655,119
4.90%, 02/01/46 (Call 08/01/45)^(a)		138,537		159,832,520
Anheuser-Busch InBev Finance Inc.
2.63%, 01/17/23		1		520
3.65%, 02/01/26 (Call 11/01/25)		25,273		27,339,677
3.70%, 02/01/24		14,437		15,606,935
4.00%, 01/17/43		14,011		14,458,190
4.63%, 02/01/44^(a)		12,135		13,450,052
4.90%, 02/01/46 (Call 08/01/45)		18,234		20,495,641
Anheuser-Busch InBev Worldwide Inc.
3.50%, 06/01/30 (Call 03/01/30)^(a)		10,000		10,710,406
3.75%, 07/15/42		12,677		12,806,042
4.00%, 04/13/28 (Call 01/13/28)^(a)		38,638		42,634,467
4.15%, 01/23/25 (Call 12/23/24)^(a)		40,540		45,071,403
4.35%, 06/01/40 (Call 12/01/39)		10,000		10,948,751
4.38%, 04/15/38 (Call 10/15/37)^(a)		25,689		27,727,772


Security	Par (000)		Value

Beverages (continued)
4.44%, 10/06/48 (Call 04/06/48)^(a)	$	26,068	$	28,183,564
4.50%, 06/01/50 (Call 12/01/49)		15,000		16,738,075
4.60%, 04/15/48 (Call 10/15/47)^(a)		37,563		41,639,671
4.60%, 06/01/60 (Call 12/01/59)		234		258,102
4.75%, 01/23/29 (Call 10/23/28)^(a)		54,649		63,056,721
4.75%, 04/15/58 (Call 10/15/57)		22,433		25,089,419
4.90%, 01/23/31 (Call 10/23/30)^(a)		10,738		12,661,655
4.95%, 01/15/42^(a)		23,493		26,905,194
5.45%, 01/23/39 (Call 07/23/38)		30,259		36,456,246
5.55%, 01/23/49 (Call 07/23/48)		61,387		76,704,137
5.80%, 01/23/59 (Call 07/23/58)^(a)		27,521		36,228,595
8.20%, 01/15/39^(a)		14,355		21,621,184
Coca-Cola Co. (The)
1.75%, 09/06/24^(a)		10,029		10,339,639
2.13%, 09/06/29^(a)		15,084		15,632,231
2.25%, 09/01/26^(a)		15,157		16,063,607
2.88%, 10/27/25		26,211		28,459,762
3.20%, 11/01/23^(a)		15,515		16,788,000
3.38%, 03/25/27		575		646,627
3.45%, 03/25/30		20,000		23,125,266
4.20%, 03/25/50^(a)		20,200		26,290,300
Constellation Brands Inc.
3.15%, 08/01/29 (Call 05/01/29)^(a)		19,847		20,546,895
4.25%, 05/01/23^(a)		8,731		9,356,818
BeveragesDiageo Capital PLC, 2.38%, 10/24/29 (Call 07/24/29)		23,073		23,827,988
Keurig Dr Pepper Inc.
3.20%, 05/01/30 (Call 02/01/30)		225		238,565
3.80%, 05/01/50 (Call 11/01/49)		355		378,792
4.06%, 05/25/23 (Call 04/25/23)^(a)		19,243		20,627,338
4.42%, 05/25/25 (Call 03/25/25)^(a)		17,367		19,329,711
4.60%, 05/25/28 (Call 02/25/28)^(a)		30,462		35,112,643
5.09%, 05/25/48 (Call 11/25/47)		11,900		15,039,725
Molson Coors Beverage Co.
3.00%, 07/15/26 (Call 04/15/26)		27,308		27,098,214
4.20%, 07/15/46 (Call 01/15/46)^(a)		20,622		19,735,254
5.00%, 05/01/42		13,667		14,575,856
PepsiCo Inc.
0.75%, 05/01/23		2,105		2,102,137
1.63%, 05/01/30 (Call 02/01/30)		6,415		6,377,087
2.25%, 03/19/25 (Call 02/19/25)		25,000		26,463,147
2.38%, 10/06/26 (Call 07/06/26)^(a)		17,284		18,441,409
2.63%, 07/29/29 (Call 04/29/29)^(a)		22,367		24,158,044
2.75%, 04/30/25 (Call 01/30/25)^(a)		15,383		16,574,107
2.75%, 03/19/30 (Call 12/19/29)		25,375		27,761,435
2.85%, 02/24/26 (Call 11/24/25)^(a)		9,362		10,213,181
2.88%, 10/15/49 (Call 04/15/49)		22,419		23,965,857
3.00%, 10/15/27 (Call 07/15/27)^(a)		22,016		24,122,784
3.38%, 07/29/49 (Call 01/29/49)^(a)		16,878		19,235,165
3.45%, 10/06/46 (Call 04/06/46)		20,076		22,863,414
3.60%, 03/01/24 (Call 12/01/23)		10,642		11,674,920
3.63%, 03/19/50 (Call 09/19/49)		25,000		30,121,172
4.00%, 03/05/42^(a)		10,921		13,270,237
4.00%, 05/02/47 (Call 11/02/46)^(a)		7,842		9,775,738
4.45%, 04/14/46 (Call 10/14/45)^(a)		20,422		26,689,959

				1,576,986,118

Biotechnology — 1.5%
Amgen Inc.
2.20%, 02/21/27 (Call 12/21/26)^(a)		16,730		17,170,938
2.25%, 08/19/23 (Call 06/19/23)^(a)		7,662		7,964,971


Security	Par (000)		Value

Biotechnology (continued)
2.45%, 02/21/30 (Call 11/21/29)	$	17,791	$	18,395,117
2.60%, 08/19/26 (Call 05/19/26)		23,037		24,543,912
3.13%, 05/01/25 (Call 02/01/25)		14,314		15,497,500
3.15%, 02/21/40 (Call 08/21/39)^(a)		21,614		22,795,592
3.20%, 11/02/27 (Call 08/02/27)^(a)		10,340		11,280,913
3.38%, 02/21/50 (Call 08/21/49)		23,752		25,824,737
3.63%, 05/22/24 (Call 02/22/24)^(a)		10,847		11,786,719
4.40%, 05/01/45 (Call 11/01/44)		28,694		35,046,857
4.56%, 06/15/48 (Call 12/15/47)^(a)		20,952		26,570,289
4.66%, 06/15/51 (Call 12/15/50)^(a)		51,337		67,064,588
5.15%, 11/15/41 (Call 05/15/41)^(a)		13,976		18,575,985
BiotechnologyBaxalta Inc., 4.00%, 06/23/25 (Call 03/23/25)^(a)		10,434		11,454,897
Biogen Inc.
2.25%, 05/01/30 (Call 02/01/30)		7,935		7,930,953
3.15%, 05/01/50 (Call 11/01/49)		5,270		5,155,061
4.05%, 09/15/25 (Call 06/15/25)^(a)		26,339		29,263,032
5.20%, 09/15/45 (Call 03/15/45)^(a)		24,565		31,695,195
Gilead Sciences Inc.
2.50%, 09/01/23 (Call 07/01/23)		7,044		7,361,119
2.95%, 03/01/27 (Call 12/01/26)^(a)		16,480		18,003,988
3.50%, 02/01/25 (Call 11/01/24)^(a)		28,644		31,530,863
3.65%, 03/01/26 (Call 12/01/25)^(a)		50,692		57,126,746
3.70%, 04/01/24 (Call 01/01/24)		16,794		18,320,091
4.00%, 09/01/36 (Call 03/01/36)^(a)		8,432		10,094,402
4.15%, 03/01/47 (Call 09/01/46)^(a)		26,658		33,324,670
4.50%, 02/01/45 (Call 08/01/44)		20,519		26,538,423
4.60%, 09/01/35 (Call 03/01/35)^(a)		12,372		16,011,767
4.75%, 03/01/46 (Call 09/01/45)^(a)		34,156		45,953,052
4.80%, 04/01/44 (Call 10/01/43)^(a)		29,348		39,056,770
5.65%, 12/01/41 (Call 06/01/41)^(a)		12,316		17,600,222

				708,939,369

Building Materials — 0.2%
Carrier Global Corp.
2.24%, 02/15/25 (Call 01/15/25)^(a)(b)		25,557		25,274,296
2.49%, 02/15/27 (Call 12/15/26)^(b)		11,019		10,535,974
2.72%, 02/15/30 (Call 11/15/29)^(b)		28,457		26,847,740
3.38%, 04/05/40 (Call 10/05/39)^(b)		29,579		26,421,161
3.58%, 04/05/50 (Call 10/05/49)^(b)		25,670		23,163,625

				112,242,796

Chemicals — 1.2%
Dow Chemical Co. (The)
3.50%, 10/01/24 (Call 07/01/24)		15,713		16,453,043
3.63%, 05/15/26 (Call 03/15/26)		11,824		12,318,489
4.38%, 11/15/42 (Call 05/15/42)^(a)		19,981		21,351,237
4.80%, 05/15/49 (Call 11/15/48)		12,760		14,698,978
5.25%, 11/15/41 (Call 05/15/41)		11,239		13,166,372
5.55%, 11/30/48 (Call 05/30/48)^(a)		8,771		10,923,563
7.38%, 11/01/29^(a)		10,727		14,349,341
9.40%, 05/15/39^(a)		9,156		14,496,117
DuPont de Nemours Inc.
4.21%, 11/15/23 (Call 10/15/23)^(a)		35,278		38,119,086
4.49%, 11/15/25 (Call 09/15/25)^(a)		29,463		32,443,639
4.73%, 11/15/28 (Call 08/15/28)^(a)		36,468		41,257,043
5.32%, 11/15/38 (Call 05/15/38)^(a)		26,625		32,359,692
5.42%, 11/15/48 (Call 05/15/48)^(a)		27,740		35,638,857
ChemicalsEastman Chemical Co., 4.65%, 10/15/44 (Call 04/15/44)^(a)		13,357		15,270,772


Security	Par (000)		Value

Chemicals (continued)
Ecolab Inc.
2.70%, 11/01/26 (Call 08/01/26)^(a)	$	16,568	$	17,524,327
4.80%, 03/24/30 (Call 12/24/29)		100		123,013
LYB International Finance BV
4.00%, 07/15/23^(a)		14,769		15,458,346
4.88%, 03/15/44 (Call 09/15/43)^(a)		10,593		11,642,634
5.25%, 07/15/43^(a)		11,338		12,934,392
ChemicalsLYB International Finance II BV, 3.50%, 03/02/27 (Call 12/02/26)^(a)		18,733		19,178,497
ChemicalsLYB International Finance III LLC, 4.20%, 10/15/49 (Call 04/15/49)^(a)		15,190		15,395,683
LyondellBasell Industries NV
4.63%, 02/26/55 (Call 08/26/54)^(a)		12,253		12,912,503
5.75%, 04/15/24 (Call 01/15/24)^(a)		15,577		17,233,368
ChemicalsMosaic Co. (The), 4.25%, 11/15/23 (Call 08/15/23)		9,993		10,172,501
Nutrien Ltd.
4.20%, 04/01/29 (Call 01/01/29)^(a)		13,480		15,337,173
5.00%, 04/01/49 (Call 10/01/48)		12,885		16,611,638
ChemicalsRohm & Haas Co., 7.85%, 07/15/29^(a)		8,784		11,800,430
Sherwin-Williams Co. (The)
2.30%, 05/15/30 (Call 02/15/30)		2,865		2,833,234
2.95%, 08/15/29 (Call 05/15/29)		16,559		17,217,904
3.45%, 06/01/27 (Call 03/01/27)^(a)		21,987		23,555,394
4.50%, 06/01/47 (Call 12/01/46)^(a)		18,650		22,415,234

				555,192,500

Commercial Services — 0.4%
Global Payments Inc.
2.65%, 02/15/25 (Call 01/15/25)^(a)		13,955		14,353,807
3.20%, 08/15/29 (Call 05/15/29)^(a)		21,601		22,183,644
4.15%, 08/15/49 (Call 02/15/49)^(a)		10,588		11,527,014
4.80%, 04/01/26 (Call 01/01/26)^(a)		12,106		13,675,724
IHS Markit Ltd.
4.25%, 05/01/29 (Call 02/01/29)^(a)		11,963		12,877,958
4.75%, 08/01/28 (Call 05/01/28)		12,239		13,955,362
PayPal Holdings Inc.
2.40%, 10/01/24 (Call 09/01/24)^(a)		20,100		20,873,599
2.65%, 10/01/26 (Call 08/01/26)^(a)		22,038		23,070,236
2.85%, 10/01/29 (Call 07/01/29)		24,670		26,218,161
Commercial ServicesS&P Global Inc., 4.40%, 02/15/26 (Call 11/15/25)^(a)		8,116		9,281,863

				168,017,368

Computers — 3.3%
Apple Inc.
1.80%, 09/11/24 (Call 08/11/24)		8,629		8,947,389
2.05%, 09/11/26 (Call 07/11/26)		30,645		32,293,177
2.20%, 09/11/29 (Call 06/11/29)^(a)		27,047		28,701,852
2.40%, 05/03/23^(a)		56,765		59,571,944
2.45%, 08/04/26 (Call 05/04/26)^(a)		36,369		39,069,085
2.50%, 02/09/25^(a)		20,382		21,691,959
2.75%, 01/13/25 (Call 11/13/24)^(a)		15,372		16,601,376
2.85%, 05/11/24 (Call 03/11/24)^(a)		21,824		23,369,973
2.90%, 09/12/27 (Call 06/12/27)^(a)		35,994		39,462,339
2.95%, 09/11/49 (Call 03/11/49)^(a)		25,917		27,743,687
3.00%, 02/09/24 (Call 12/09/23)		14,165		15,249,572
3.00%, 06/20/27 (Call 03/20/27)^(a)		12,987		14,355,726
3.00%, 11/13/27 (Call 08/13/27)^(a)		18,693		20,628,516
3.20%, 05/13/25^(a)		29,938		33,120,385
3.20%, 05/11/27 (Call 02/11/27)^(a)		32,605		36,317,682


Security	Par (000)		Value

Computers (continued)
3.25%, 02/23/26 (Call 11/23/25)^(a)	$	47,419	$	52,677,407
3.35%, 02/09/27 (Call 11/09/26)^(a)		34,501		38,687,834
3.45%, 05/06/24		33,332		36,603,002
3.45%, 02/09/45^(a)		29,593		33,905,470
3.75%, 09/12/47 (Call 03/12/47)		15,333		18,533,646
3.75%, 11/13/47 (Call 05/13/47)		17,075		20,655,981
3.85%, 05/04/43		33,660		40,603,486
3.85%, 08/04/46 (Call 02/04/46)^(a)		29,337		35,811,183
4.25%, 02/09/47 (Call 08/09/46)^(a)		15,342		19,797,837
4.38%, 05/13/45^(a)		30,082		39,160,450
4.45%, 05/06/44^(a)		16,889		22,062,766
4.50%, 02/23/36 (Call 08/23/35)^(a)		20,578		26,060,788
4.65%, 02/23/46 (Call 08/23/45)^(a)		43,499		58,881,221
Dell International LLC/EMC Corp.
4.00%, 07/15/24 (Call 06/15/24)^(a)(b)		9,888		10,039,260
4.90%, 10/01/26 (Call 08/01/26)^(a)(b)		26,632		27,448,047
5.30%, 10/01/29 (Call 07/01/29)^(a)(b)		19,853		20,675,178
5.45%, 06/15/23 (Call 04/15/23)^(b)		31,413		33,200,139
6.02%, 06/15/26 (Call 03/15/26)^(b)		72,669		78,753,772
8.10%, 07/15/36 (Call 01/15/36)^(a)(b)		30,527		37,254,003
8.35%, 07/15/46 (Call 01/15/46)^(a)(b)		27,265		33,945,947
Hewlett Packard Enterprise Co.
4.90%, 10/15/25 (Call 07/15/25)^(a)		43,776		47,426,721
6.20%, 10/15/35 (Call 04/15/35)^(a)		13,187		15,514,711
6.35%, 10/15/45 (Call 04/15/45)^(a)		20,775		24,852,457
ComputersHP Inc., 6.00%, 09/15/41^(a)		15,892		17,799,172
International Business Machines Corp.
1.70%, 05/15/27 (Call 03/15/27)		8,360		8,344,534
1.95%, 05/15/30 (Call 02/15/30)		10,000		9,962,900
2.95%, 05/15/50 (Call 11/15/49)		1,625		1,611,529
3.00%, 05/15/24^(a)		47,919		51,308,181
3.30%, 05/15/26^(a)		44,443		48,976,635
3.38%, 08/01/23^(a)		10,338		11,116,014
3.45%, 02/19/26^(a)		22,853		25,309,755
3.50%, 05/15/29^(a)		39,882		45,038,990
3.63%, 02/12/24		27,017		29,395,207
4.00%, 06/20/42^(a)		11,887		13,855,318
4.15%, 05/15/39^(a)		39,564		46,259,843
4.25%, 05/15/49^(a)		35,531		43,601,987

				1,542,256,033

Cosmetics & Personal Care — 0.3%
Procter & Gamble Co. (The)
2.45%, 11/03/26^(a)		20,901		22,845,782
2.85%, 08/11/27^(a)		13,289		14,789,538
3.00%, 03/25/30 (Call 12/25/29)		10,200		11,588,255
3.10%, 08/15/23^(a)		14,844		16,107,195
5.55%, 03/05/37		2,696		3,939,304
Unilever Capital Corp.
2.13%, 09/06/29 (Call 06/06/29)		21,317		21,951,989
2.60%, 05/05/24 (Call 03/05/24)^(a)		13,099		13,743,037
2.90%, 05/05/27 (Call 02/05/27)^(a)		10,755		11,653,481
3.50%, 03/22/28 (Call 12/22/27)^(a)		15,356		17,176,698
5.90%, 11/15/32^(a)		10,499		14,922,433

				148,717,712

Diversified Financial Services — 2.8%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
2.88%, 08/14/24 (Call 07/14/24)		13,818		11,641,665
3.50%, 01/15/25 (Call 11/15/24)^(a)		12,619		10,843,770


Security	Par (000)		Value

Diversified Financial Services (continued)
3.65%, 07/21/27 (Call 04/21/27)^(a)	$	15,037	$	12,558,120
4.88%, 01/16/24 (Call 12/16/23)^(a)		6,650		6,152,314
Air Lease Corp.
2.30%, 02/01/25 (Call 01/01/25)^(a)		12,034		10,402,878
3.00%, 09/15/23 (Call 07/15/23)^(a)		6,523		5,995,159
3.75%, 06/01/26 (Call 04/01/26)^(a)		13,542		11,725,567
Ally Financial Inc.
3.88%, 05/21/24 (Call 04/21/24)^(a)		12,399		12,182,017
5.80%, 05/01/25 (Call 04/01/25)		200		213,230
8.00%, 11/01/31^(a)		32,992		40,456,440
American Express Co.
2.50%, 07/30/24 (Call 06/30/24)^(a)		24,906		25,550,886
3.00%, 10/30/24 (Call 09/29/24)^(a)		23,065		24,244,899
3.13%, 05/20/26 (Call 04/20/26)^(a)		19,927		21,335,357
3.40%, 02/22/24 (Call 01/22/24)^(a)		11,082		11,746,973
3.70%, 08/03/23 (Call 07/03/23)^(a)		13,253		14,038,108
4.05%, 12/03/42		13,242		16,236,733
4.20%, 11/06/25 (Call 10/06/25)^(a)		14,122		15,821,816
Diversified Financial ServicesAmerican Express Credit Corp., 3.30%, 05/03/27 (Call 04/03/27)^(a)		34,447		38,001,727
Diversified Financial ServicesAmeriprise Financial Inc., 4.00%, 10/15/23^(a)		10,749		11,682,910
Brookfield Finance Inc.
4.00%, 04/01/24 (Call 02/01/24)^(a)		10,513		11,054,519
4.70%, 09/20/47 (Call 03/20/47)^(a)		13,650		13,681,445
4.85%, 03/29/29 (Call 12/29/28)^(a)		18,276		20,080,943
Capital One Financial Corp.
3.20%, 02/05/25 (Call 01/05/25)^(a)		15,222		15,474,061
3.30%, 10/30/24 (Call 09/30/24)^(a)		25,376		25,837,952
3.50%, 06/15/23		9,287		9,560,383
3.75%, 04/24/24 (Call 03/24/24)		13,210		13,661,102
3.75%, 07/28/26 (Call 06/28/26)^(a)		16,529		16,289,116
3.75%, 03/09/27 (Call 02/09/27)^(a)		24,136		24,343,376
3.80%, 01/31/28 (Call 12/31/27)^(a)		19,357		19,619,102
3.90%, 01/29/24 (Call 12/29/23)^(a)		21,320		22,181,556
4.20%, 10/29/25 (Call 09/29/25)^(a)		26,380		26,978,354
4.25%, 04/30/25 (Call 03/31/25)^(a)		12,576		13,361,579
Diversified Financial ServicesCharles Schwab Corp. (The), 3.85%, 05/21/25 (Call 03/21/25)^(a)		14,840		16,692,164
CME Group Inc.
3.00%, 03/15/25 (Call 12/15/24)^(a)		21,636		23,448,781
5.30%, 09/15/43 (Call 03/15/43)^(a)		11,802		17,002,392
Diversified Financial ServicesDiscover Financial Services, 4.10%, 02/09/27 (Call 11/09/26)^(a)		22,463		22,409,866
GE Capital International Funding Co. Unlimited Co.
3.37%, 11/15/25^(a)		30,278		31,177,357
4.42%, 11/15/35		154,502		161,032,460
Intercontinental Exchange Inc.
3.75%, 12/01/25 (Call 09/01/25)		26,202		28,921,084
4.00%, 10/15/23^(a)		5,526		6,095,810
4.25%, 09/21/48 (Call 03/21/48)^(a)		19,069		24,526,258
Diversified Financial ServicesJefferies Financial Group Inc., 5.50%, 10/18/23 (Call 01/18/23)^(a)		8,899		9,321,326
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.15%, 01/23/30^(a)		14,609		14,540,631
4.85%, 01/15/27^(a)		14,139		14,714,600
Mastercard Inc.
2.00%, 03/03/25 (Call 02/03/25)^(a)		10,889		11,266,879
2.95%, 11/21/26 (Call 08/21/26)^(a)		11,234		12,295,282


Security	Par (000)		Value

Diversified Financial Services (continued)
2.95%, 06/01/29 (Call 03/01/29)^(a)	$	26,487	$	29,055,979
3.35%, 03/26/30 (Call 12/26/29)		2,180		2,483,204
3.38%, 04/01/24		12,608		13,861,728
3.65%, 06/01/49 (Call 12/01/48)		10,828		13,024,268
3.85%, 03/26/50 (Call 09/26/49)		10,995		13,672,313
Nomura Holdings Inc.
2.65%, 01/16/25		11,110		11,152,445
3.10%, 01/16/30^(a)		28,969		29,041,646
Synchrony Financial
3.95%, 12/01/27 (Call 09/01/27)^(a)		15,668		14,528,936
4.25%, 08/15/24 (Call 05/15/24)		14,733		14,340,992
4.50%, 07/23/25 (Call 04/23/25)^(a)		18,420		18,264,904
Diversified Financial ServicesTD Ameritrade Holding Corp., 3.30%, 04/01/27 (Call 01/01/27)		18,123		19,272,741
Visa Inc.
2.05%, 04/15/30 (Call 01/15/30)		155		159,463
2.70%, 04/15/40 (Call 10/15/39)		200		208,780
2.75%, 09/15/27 (Call 06/15/27)		6,785		7,369,179
3.15%, 12/14/25 (Call 09/14/25)^(a)		60,026		65,993,635
3.65%, 09/15/47 (Call 03/15/47)		8,967		10,848,821
4.15%, 12/14/35 (Call 06/14/35)^(a)		22,739		28,769,412
4.30%, 12/14/45 (Call 06/14/45)^(a)		55,236		72,933,896

				1,291,381,289

Electric — 2.0%
ElectricAvangrid Inc., 3.20%, 04/15/25 (Call 03/15/25)		125		132,140
Berkshire Hathaway Energy Co.
3.80%, 07/15/48 (Call 01/15/48)^(a)		12,631		14,917,257
4.45%, 01/15/49 (Call 07/15/48)		15,983		21,087,740
4.50%, 02/01/45 (Call 08/01/44)		9,606		12,222,912
5.15%, 11/15/43 (Call 05/15/43)^(a)		11,386		15,446,613
6.13%, 04/01/36^(a)		27,953		39,350,771
ElectricCommonwealth Edison Co., 4.00%, 03/01/48 (Call 09/01/47)		12,906		15,920,513
ElectricConnecticut Light & Power Co. (The), 4.00%, 04/01/48 (Call 10/01/47)^(a)		8,937		11,100,781
Consolidated Edison Co. of New York Inc.
4.45%, 03/15/44 (Call 09/15/43)		15,284		18,699,427
4.63%, 12/01/54 (Call 06/01/54)^(a)		10,112		12,965,224
ElectricDominion Energy Inc., 3.90%, 10/01/25 (Call 07/01/25)^(a)		11,407		12,454,960
Duke Energy Carolinas LLC
3.20%, 08/15/49 (Call 02/15/49)^(a)		10,942		12,237,290
5.30%, 02/15/40^(a)		11,345		15,723,739
Duke Energy Corp.
2.65%, 09/01/26 (Call 06/01/26)		23,400		24,841,620
3.15%, 08/15/27 (Call 05/15/27)^(a)		10,882		11,564,530
3.75%, 04/15/24 (Call 01/15/24)^(a)		15,868		17,194,173
3.75%, 09/01/46 (Call 03/01/46)^(a)		24,039		27,201,124
ElectricDuke Energy Florida LLC, 6.40%, 06/15/38^(a)		12,202		18,878,322
Emera U.S. Finance LP
3.55%, 06/15/26 (Call 03/15/26)^(a)		14,453		15,219,236
4.75%, 06/15/46 (Call 12/15/45)^(a)		18,153		19,395,704
ElectricEntergy Corp., 2.95%, 09/01/26 (Call 06/01/26)^(a)		12,188		12,735,463
Evergy Inc.
2.45%, 09/15/24 (Call 08/15/24)		8,976		9,235,336
2.90%, 09/15/29 (Call 06/15/29)^(a)		18,715		19,131,699
Exelon Corp.
3.40%, 04/15/26 (Call 01/15/26)		9,271		9,958,447
3.95%, 06/15/25 (Call 03/15/25)		17,959		19,886,857


Security	Par (000)		Value

Electric (continued)
4.05%, 04/15/30 (Call 01/15/30)	$	200	$	228,120
4.45%, 04/15/46 (Call 10/15/45)		11,604		13,828,049
Exelon Generation Co. LLC
5.60%, 06/15/42 (Call 12/15/41)^(a)		9,225		9,732,965
6.25%, 10/01/39^(a)		12,006		13,415,317
FirstEnergy Corp.
Series B, 3.90%, 07/15/27 (Call 04/15/27)^(a)		22,791		25,060,945
Series C, 3.40%, 03/01/50 (Call 09/01/49)		13,151		13,867,264
Series C, 4.85%, 07/15/47 (Call 01/15/47)^(a)		10,790		13,803,712
Series C, 7.38%, 11/15/31^(a)		21,683		31,676,693
Florida Power & Light Co.
2.85%, 04/01/25 (Call 03/01/25)		1,770		1,917,503
3.15%, 10/01/49 (Call 04/01/49)^(a)		9,658		11,065,482
3.95%, 03/01/48 (Call 09/01/47)^(a)		15,092		19,281,346
ElectricGeorgia Power Co., 4.30%, 03/15/42		18,820		21,847,048
MidAmerican Energy Co.
3.65%, 04/15/29 (Call 01/15/29)		7,689		8,911,609
4.25%, 07/15/49 (Call 01/15/49)		13,121		17,288,550
NextEra Energy Capital Holdings Inc.
2.75%, 11/01/29 (Call 08/01/29)^(a)		15,439		16,573,246
3.15%, 04/01/24 (Call 03/01/24)		13,579		14,387,298
3.55%, 05/01/27 (Call 02/01/27)^(a)		18,393		20,434,012
ElectricPPL Capital Funding Inc., 4.13%, 04/15/30 (Call 01/15/30)		200		224,728
ElectricPublic Service Enterprise Group Inc., 2.88%, 06/15/24 (Call 05/15/24)^(a)		6,245		6,527,702
Sempra Energy
3.25%, 06/15/27 (Call 03/15/27)^(a)		11,440		11,939,143
3.40%, 02/01/28 (Call 11/01/27)^(a)		17,524		18,423,738
3.80%, 02/01/38 (Call 08/01/37)^(a)		16,598		17,579,918
4.00%, 02/01/48 (Call 08/01/47)		11,552		13,003,617
6.00%, 10/15/39^(a)		8,116		10,821,287
Southern California Edison Co.
4.00%, 04/01/47 (Call 10/01/46)^(a)		28,174		31,357,501
4.65%, 10/01/43 (Call 04/01/43)		13,257		15,545,047
Series C, 4.13%, 03/01/48 (Call 09/01/47)		18,446		20,895,297
Southern Co. (The)
2.95%, 07/01/23 (Call 05/01/23)^(a)		15,588		16,423,601
3.25%, 07/01/26 (Call 04/01/26)^(a)		27,591		29,386,711
4.40%, 07/01/46 (Call 01/01/46)^(a)		28,323		33,416,869
Virginia Electric & Power Co.
Series A, 3.15%, 01/15/26 (Call 10/15/25)^(a)		9,201		10,019,216
Series A, 3.50%, 03/15/27 (Call 12/15/26)^(a)		11,852		13,188,512

				909,573,924

Electronics — 0.2%
ElectronicsFortive Corp., 3.15%, 06/15/26 (Call 03/15/26)^(a)		12,347		12,504,025
Honeywell International Inc.
2.30%, 08/15/24 (Call 07/15/24)^(a)		6,977		7,315,972
2.50%, 11/01/26 (Call 08/01/26)^(a)		22,540		23,956,711
2.70%, 08/15/29 (Call 05/15/29)^(a)		11,743		12,669,913
ElectronicsRoper Technologies Inc., 4.20%, 09/15/28 (Call 06/15/28)^(a)		13,389		14,996,479

				71,443,100

Environmental Control — 0.3%
Republic Services Inc.
2.50%, 08/15/24 (Call 07/15/24)		17,013		17,696,543
3.95%, 05/15/28 (Call 02/15/28)^(a)		7,610		8,607,946


Security	Par (000)		Value

Environmental Control (continued)
Waste Management Inc.
2.95%, 06/15/24 (Call 05/15/24)^(a)	$	15,963	$	16,952,593
3.15%, 11/15/27 (Call 08/15/27)^(a)		13,581		14,934,404
3.20%, 06/15/26 (Call 04/15/26)^(a)		15,946		17,459,674
3.45%, 06/15/29 (Call 03/15/29)^(a)		14,737		16,716,024
4.10%, 03/01/45 (Call 09/01/44)^(a)		6,469		7,917,335
4.15%, 07/15/49 (Call 01/15/49)^(a)		13,688		17,386,561

				117,671,080

Food — 1.0%
Campbell Soup Co.
3.95%, 03/15/25 (Call 01/15/25)^(a)		18,317		19,944,132
4.15%, 03/15/28 (Call 12/15/27)^(a)		15,940		17,999,896
Conagra Brands Inc.
4.30%, 05/01/24 (Call 04/01/24)		15,586		16,854,593
4.60%, 11/01/25 (Call 09/01/25)^(a)		16,866		18,817,248
4.85%, 11/01/28 (Call 08/01/28)^(a)		22,786		26,633,701
5.30%, 11/01/38 (Call 05/01/38)^(a)		12,531		15,628,167
5.40%, 11/01/48 (Call 05/01/48)^(a)		17,836		23,823,114
General Mills Inc.
3.20%, 02/10/27 (Call 11/10/26)^(a)		8,249		9,113,796
3.70%, 10/17/23 (Call 09/17/23)^(a)		10,718		11,574,933
4.00%, 04/17/25 (Call 02/17/25)^(a)		12,592		14,055,804
4.20%, 04/17/28 (Call 01/17/28)^(a)		20,871		24,047,522
FoodJM Smucker Co. (The), 3.50%, 03/15/25^(a)		17,586		18,973,208
FoodKellogg Co., 3.25%, 04/01/26^(a)		11,682		12,425,240
Kroger Co. (The)
2.65%, 10/15/26 (Call 07/15/26)^(a)		11,225		11,794,925
3.95%, 01/15/50 (Call 07/15/49)^(a)		11,563		12,958,237
4.45%, 02/01/47 (Call 08/01/46)^(a)		12,271		14,333,445
FoodMcCormick & Co. Inc./MD, 3.40%, 08/15/27 (Call 05/15/27)^(a)		12,449		13,535,413
Mondelez International Inc.
1.50%, 05/04/25 (Call 04/04/25)		2,910		2,894,402
2.75%, 04/13/30 (Call 01/13/30)		2,300		2,432,365
3.63%, 05/07/23 (Call 04/07/23)^(a)		9,142		9,733,418
Sysco Corp.
3.25%, 07/15/27 (Call 04/15/27)^(a)		14,575		14,353,168
3.30%, 07/15/26 (Call 04/15/26)		10,724		10,683,340
3.75%, 10/01/25 (Call 07/01/25)^(a)		13,408		13,818,895
5.65%, 04/01/25 (Call 03/01/25)		10,000		11,176,155
6.60%, 04/01/40 (Call 10/01/39)		10,000		11,971,981
6.60%, 04/01/50 (Call 10/01/49)		380		468,687
Tyson Foods Inc.
3.55%, 06/02/27 (Call 03/02/27)^(a)		18,077		19,553,508
3.95%, 08/15/24 (Call 05/15/24)^(a)		8,466		9,255,875
4.00%, 03/01/26 (Call 01/01/26)^(a)		20,683		22,876,962
4.35%, 03/01/29 (Call 12/01/28)^(a)		15,092		17,515,057
4.55%, 06/02/47 (Call 12/02/46)^(a)		10,047		12,047,047
5.10%, 09/28/48 (Call 03/28/48)^(a)		19,234		24,864,263

				466,158,497

Forest Products & Paper — 0.2%
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)^(a)		18,658		19,509,084
3.65%, 06/15/24 (Call 03/15/24)^(a)		4,248		4,504,003
4.35%, 08/15/48 (Call 02/15/48)^(a)		15,637		17,677,236
4.40%, 08/15/47 (Call 02/15/47)^(a)		18,345		20,679,352
4.80%, 06/15/44 (Call 12/15/43)		9,777		10,959,279

				73,328,954


Security	Par (000)		Value

Gas — 0.2%
GasAtmos Energy Corp., 4.13%, 10/15/44 (Call 04/15/44)	$	11,333	$	14,062,238
NiSource Inc.
2.95%, 09/01/29 (Call 06/01/29)^(a)		13,209		13,858,360
3.49%, 05/15/27 (Call 02/15/27)^(a)		18,680		20,201,221
3.95%, 03/30/48 (Call 09/30/47)^(a)		6,090		6,887,770
4.38%, 05/15/47 (Call 11/15/46)^(a)		15,254		18,176,920
4.80%, 02/15/44 (Call 08/15/43)^(a)		12,656		15,758,197

				88,944,706

Hand & Machine Tools — 0.0%
Hand & Machine ToolsStanley Black & Decker Inc., 2.30%, 03/15/30 (Call 12/15/29)		12,189		12,169,902


Health Care – Products — 1.2%
Abbott Laboratories
2.95%, 03/15/25 (Call 12/15/24)^(a)		21,120		22,801,807
3.40%, 11/30/23 (Call 09/30/23)^(a)		5,457		5,925,362
3.75%, 11/30/26 (Call 08/30/26)		22,515		25,907,004
4.75%, 11/30/36 (Call 05/30/36)		30,831		40,191,165
4.90%, 11/30/46 (Call 05/30/46)		44,093		62,006,809
Boston Scientific Corp.
3.45%, 03/01/24 (Call 02/01/24)		12,977		13,689,265
3.75%, 03/01/26 (Call 01/01/26)		16,367		17,799,404
3.85%, 05/15/25		4,221		4,641,582
4.00%, 03/01/29 (Call 12/01/28)^(a)		13,682		15,363,395
4.55%, 03/01/39 (Call 09/01/38)^(a)		9,028		10,716,898
4.70%, 03/01/49 (Call 09/01/48)		15,182		18,797,801
DH Europe Finance II Sarl
2.60%, 11/15/29 (Call 08/15/29)		13,637		14,329,173
3.25%, 11/15/39 (Call 05/15/39)		10,633		11,546,420
3.40%, 11/15/49 (Call 05/15/49)^(a)		12,681		13,984,097
Medtronic Inc.
3.50%, 03/15/25^(a)		39,640		44,235,299
4.38%, 03/15/35^(a)		33,460		42,603,022
4.63%, 03/15/45^(a)		28,323		38,363,795
Stryker Corp.
3.38%, 11/01/25 (Call 08/01/25)^(a)		15,329		16,906,021
3.50%, 03/15/26 (Call 12/15/25)^(a)		20,693		22,865,891
4.63%, 03/15/46 (Call 09/15/45)		13,750		17,332,648
Thermo Fisher Scientific Inc.
2.60%, 10/01/29 (Call 07/01/29)^(a)		16,141		17,055,018
2.95%, 09/19/26 (Call 06/19/26)^(a)		19,171		20,764,194
3.20%, 08/15/27 (Call 05/15/27)^(a)		11,244		12,211,651
4.10%, 08/15/47 (Call 02/15/47)^(a)		12,190		15,072,757
4.15%, 02/01/24 (Call 11/01/23)^(a)		5,709		6,284,362
Health Care – ProductsZimmer Biomet Holdings Inc., 3.55%, 04/01/25 (Call 01/01/25)^(a)		29,116		30,243,334

				561,638,174

Health Care – Services — 2.3%
Aetna Inc.
2.80%, 06/15/23 (Call 04/15/23)		4,755		4,928,039
3.50%, 11/15/24 (Call 08/15/24)		18,012		19,243,117
3.88%, 08/15/47 (Call 02/15/47)^(a)		18,077		19,615,629
6.63%, 06/15/36		11,378		15,636,688
Anthem Inc.
2.25%, 05/15/30 (Call 02/15/30)		6,530		6,505,512
2.38%, 01/15/25 (Call 12/15/24)^(a)		16,861		17,355,193
2.88%, 09/15/29 (Call 06/15/29)^(a)		6,337		6,630,754
3.13%, 05/15/50 (Call 11/15/49)		7,000		6,982,360
3.35%, 12/01/24 (Call 10/01/24)^(a)		12,395		13,278,050


Security	Par (000)		Value

Health Care – Services (continued)
3.50%, 08/15/24 (Call 05/15/24)^(a)	$	18,285	$	19,655,848
3.65%, 12/01/27 (Call 09/01/27)^(a)		15,903		17,373,989
3.70%, 09/15/49 (Call 03/15/49)^(a)		13,073		14,151,631
4.10%, 03/01/28 (Call 12/01/27)^(a)		22,628		25,253,660
4.38%, 12/01/47 (Call 06/01/47)		21,201		25,129,085
4.55%, 03/01/48 (Call 09/01/47)^(a)		12,954		15,854,401
4.63%, 05/15/42^(a)		12,050		14,551,986
4.65%, 01/15/43^(a)		13,664		16,688,791
4.65%, 08/15/44 (Call 02/15/44)		10,825		13,020,734
CommonSpirit Health
2.76%, 10/01/24 (Call 07/01/24)		16,490		16,155,464
3.35%, 10/01/29 (Call 04/01/29)^(a)		7,134		7,075,147
4.19%, 10/01/49 (Call 04/01/49)		13,762		13,163,553
HCA Inc.
4.13%, 06/15/29 (Call 03/15/29)^(a)		32,113		34,756,205
4.50%, 02/15/27 (Call 08/15/26)^(a)		24,661		26,669,476
4.75%, 05/01/23^(a)		3,925		4,174,630
5.00%, 03/15/24^(a)		32,627		35,284,662
5.13%, 06/15/39 (Call 12/15/38)^(a)		14,473		16,645,572
5.25%, 04/15/25^(a)		22,541		25,059,071
5.25%, 06/15/26 (Call 12/15/25)^(a)		28,511		31,779,683
5.25%, 06/15/49 (Call 12/15/48)^(a)		28,655		33,817,889
5.50%, 06/15/47 (Call 12/15/46)		19,248		23,260,122
Health Care – ServicesHumana Inc., 4.95%, 10/01/44 (Call 04/01/44)^(a)		11,728		14,416,462
Kaiser Foundation Hospitals
4.15%, 05/01/47 (Call 11/01/46)^(a)		25,240		31,188,346
Series 2019, 3.27%, 11/01/49 (Call 05/01/49)^(a)		9,026		9,358,352
Laboratory Corp. of America Holdings
3.60%, 02/01/25 (Call 11/01/24)^(a)		21,768		23,596,741
4.70%, 02/01/45 (Call 08/01/44)^(a)		12,129		14,590,553
Health Care – ServicesQuest Diagnostics Inc., 2.95%, 06/30/30 (Call 03/30/30)		11,066		11,568,596
UnitedHealth Group Inc.
2.38%, 08/15/24^(a)		11,015		11,587,469
2.88%, 08/15/29^(a)		12,211		13,190,817
2.95%, 10/15/27^(a)		15,078		16,226,164
3.10%, 03/15/26^(a)		20,164		22,002,834
3.45%, 01/15/27^(a)		11,455		12,620,699
3.50%, 06/15/23^(a)		5,389		5,806,759
3.50%, 02/15/24^(a)		9,213		9,998,591
3.50%, 08/15/39 (Call 02/15/39)^(a)		20,220		22,614,818
3.70%, 08/15/49 (Call 02/15/49)^(a)		18,716		21,962,515
3.75%, 07/15/25^(a)		27,163		30,372,414
3.75%, 10/15/47 (Call 04/15/47)^(a)		11,736		13,843,767
3.85%, 06/15/28^(a)		15,706		17,902,946
3.88%, 12/15/28^(a)		12,763		14,689,040
3.88%, 08/15/59 (Call 02/15/59)		17,475		20,994,018
4.20%, 01/15/47 (Call 07/15/46)^(a)		11,086		13,659,057
4.25%, 03/15/43 (Call 09/15/42)^(a)		5,292		6,538,414
4.25%, 06/15/48 (Call 12/15/47)^(a)		17,013		21,263,279
4.45%, 12/15/48 (Call 06/15/48)		17,107		21,909,017
4.63%, 07/15/35^(a)		16,876		21,213,063
4.75%, 07/15/45^(a)		29,160		38,243,704
5.80%, 03/15/36^(a)		12,813		17,592,399
6.88%, 02/15/38^(a)		17,080		26,393,868

				1,045,041,643


Security	Par (000)		Value

Holding Companies – Diversified — 0.1%
Ares Capital Corp.
3.25%, 07/15/25 (Call 06/15/25)	$	19,461	$	17,214,383
4.20%, 06/10/24 (Call 05/10/24)		20,237		19,270,048

				36,484,431

Insurance — 2.0%
Aflac Inc.
3.60%, 04/01/30 (Call 01/01/30)		275		309,492
3.63%, 11/15/24^(a)		11,713		12,803,729
American International Group Inc.
3.75%, 07/10/25 (Call 04/10/25)^(a)		25,895		27,638,583
3.88%, 01/15/35 (Call 07/15/34)^(a)		12,684		13,520,899
3.90%, 04/01/26 (Call 01/01/26)^(a)		18,900		20,462,733
4.13%, 02/15/24		15,387		16,641,910
4.20%, 04/01/28 (Call 01/01/28)		12,642		13,717,924
4.38%, 01/15/55 (Call 07/15/54)^(a)		9,632		10,343,258
4.50%, 07/16/44 (Call 01/16/44)^(a)		34,032		37,714,470
4.75%, 04/01/48 (Call 10/01/47)^(a)		19,468		22,252,142
4.80%, 07/10/45 (Call 01/10/45)		11,318		12,892,050
6.25%, 05/01/36^(a)		8,179		10,225,953
InsuranceAon Corp., 3.75%, 05/02/29 (Call 02/02/29)^(a)		9,958		10,905,826
InsuranceAon PLC, 3.88%, 12/15/25 (Call 09/15/25)^(a)		14,150		15,301,554
InsuranceAthene Holding Ltd., 4.13%, 01/12/28 (Call 10/12/27)		15,692		14,755,357
Berkshire Hathaway Finance Corp.
4.20%, 08/15/48 (Call 02/15/48)		36,772		46,314,742
4.25%, 01/15/49 (Call 07/15/48)		34,482		43,684,587
5.75%, 01/15/40^(a)		5,683		8,312,260
Berkshire Hathaway Inc.
2.75%, 03/15/23 (Call 01/15/23)^(a)		6,208		6,571,209
3.13%, 03/15/26 (Call 12/15/25)^(a)		52,575		57,658,030
4.50%, 02/11/43		12,957		16,604,477
Brighthouse Financial Inc.
3.70%, 06/22/27 (Call 03/22/27)^(a)		23,102		22,124,799
4.70%, 06/22/47 (Call 12/22/46)^(a)		21,233		18,310,520
InsuranceChubb Corp. (The), 6.00%, 05/11/37^(a)		10,560		15,143,610
Chubb INA Holdings Inc.
3.15%, 03/15/25^(a)		11,749		12,712,011
3.35%, 05/03/26 (Call 02/03/26)^(a)		14,760		16,250,320
4.35%, 11/03/45 (Call 05/03/45)		17,321		22,680,414
Equitable Holdings Inc.
4.35%, 04/20/28 (Call 01/20/28)		23,950		25,053,420
5.00%, 04/20/48 (Call 10/20/47)^(a)		19,382		20,188,311
Marsh & McLennan Companies Inc.
3.88%, 03/15/24 (Call 02/15/24)		16,848		18,330,486
4.38%, 03/15/29 (Call 12/15/28)^(a)		21,623		25,165,438
4.90%, 03/15/49 (Call 09/15/48)^(a)		19,070		25,155,016
MetLife Inc.
3.60%, 04/10/24^(a)		14,888		16,234,692
4.05%, 03/01/45^(a)		15,044		17,510,033
4.13%, 08/13/42^(a)		11,331		13,199,541
4.60%, 05/13/46 (Call 11/13/45)^(a)		10,289		12,903,989
4.88%, 11/13/43^(a)		14,317		18,305,242
5.70%, 06/15/35^(a)		15,416		20,821,739
5.88%, 02/06/41		8,562		11,851,672
6.38%, 06/15/34^(a)		12,339		17,593,653
Series D, 4.37%, 09/15/23^(a)		7,916		8,687,751
InsuranceProgressive Corp. (The), 4.13%, 04/15/47 (Call 10/15/46)		10,819		13,688,368


Security	Par (000)		Value

Insurance (continued)
Prudential Financial Inc.
3.70%, 03/13/51 (Call 09/13/50)^(a)	$	22,885	$	24,274,264
3.91%, 12/07/47 (Call 06/07/47)^(a)		12,429		13,354,302
3.94%, 12/07/49 (Call 06/07/49)		16,123		17,524,482
4.35%, 02/25/50 (Call 08/25/49)^(a)		18,893		21,512,441
4.60%, 05/15/44^(a)		11,933		13,980,103
5.70%, 12/14/36^(a)		6,115		8,108,739
Travelers Companies Inc. (The)
5.35%, 11/01/40		10,207		14,356,113
6.25%, 06/15/37^(a)		11,208		16,433,440

				920,086,094

Internet — 1.0%
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)		24,230		25,754,687
3.38%, 02/25/24^(a)		5,120		5,618,853
Amazon.com Inc.
2.80%, 08/22/24 (Call 06/22/24)		27,949		30,002,047
3.15%, 08/22/27 (Call 05/22/27)^(a)		42,375		47,554,318
3.80%, 12/05/24 (Call 09/05/24)		10,113		11,371,560
3.88%, 08/22/37 (Call 02/22/37)^(a)		40,999		49,784,405
4.05%, 08/22/47 (Call 02/22/47)^(a)		47,616		62,139,742
4.25%, 08/22/57 (Call 02/22/57)		30,652		41,684,608
4.80%, 12/05/34 (Call 06/05/34)^(a)		23,225		31,280,271
4.95%, 12/05/44 (Call 06/05/44)		23,813		33,719,634
5.20%, 12/03/25 (Call 09/03/25)		12,860		15,491,260
Booking Holdings Inc.
3.60%, 06/01/26 (Call 03/01/26)^(a)		15,480		16,135,741
4.10%, 04/13/25 (Call 03/13/25)		300		319,101
4.50%, 04/13/27 (Call 02/13/27)		425		459,290
4.63%, 04/13/30 (Call 01/13/30)		100		111,062
eBay Inc.
3.45%, 08/01/24 (Call 05/01/24)^(a)		12,324		13,196,536
3.60%, 06/05/27 (Call 03/05/27)^(a)		12,761		13,772,126
4.00%, 07/15/42 (Call 01/15/42)^(a)		12,247		12,209,405
Expedia Group Inc.
3.25%, 02/15/30 (Call 11/15/29)		14,314		12,059,545
3.80%, 02/15/28 (Call 11/15/27)		15,810		13,758,284
5.00%, 02/15/26 (Call 11/15/25)		2,704		2,555,280

				438,977,755

Iron & Steel — 0.1%
ArcelorMittal SA
3.60%, 07/16/24^(a)		16,385		15,592,562
4.55%, 03/11/26		12,523		12,066,984

				27,659,546

Lodging — 0.1%
Las Vegas Sands Corp.
3.20%, 08/08/24 (Call 07/08/24)		25,426		24,355,687
3.50%, 08/18/26 (Call 06/18/26)		11,022		10,538,830
3.90%, 08/08/29 (Call 05/08/29)^(a)		11,291		10,371,708
Marriott International Inc./MD
Series EE, 5.75%, 05/01/25 (Call 04/01/25)		815		851,960
Series R, 3.13%, 06/15/26 (Call 03/15/26)		1,939		1,778,105
LodgingSands China Ltd., 5.40%, 08/08/28 (Call 05/08/28)		3,455		3,630,594

				51,526,884

Machinery — 0.6%
ABB Finance USA Inc.
3.80%, 04/03/28 (Call 01/03/28)		13,254		14,932,965
4.38%, 05/08/42^(a)		9,780		11,924,926


Security	Par (000)		Value

Machinery (continued)
MachineryCaterpillar Financial Services Corp., 2.15%, 11/08/24^(a)	$	12,052	$	12,437,006
Caterpillar Inc.
2.60%, 04/09/30 (Call 01/09/30)		100		106,086
3.25%, 09/19/49 (Call 03/19/49)		15,716		16,894,251
3.40%, 05/15/24 (Call 02/15/24)^(a)		14,310		15,487,179
3.80%, 08/15/42^(a)		21,679		25,095,127
5.20%, 05/27/41^(a)		13,508		18,242,446
MachineryDeere & Co., 3.90%, 06/09/42 (Call 12/09/41)^(a)		15,299		18,092,539
MachineryJohn Deere Capital Corp., 3.45%, 03/13/25^(a)		11,078		12,093,247
Otis Worldwide Corp.
2.06%, 04/05/25 (Call 03/05/25)^(b)		24,432		24,850,579
2.57%, 02/15/30 (Call 11/15/29)^(b)		22,790		22,828,492
3.11%, 02/15/40 (Call 08/15/39)^(b)		11,282		11,123,655
3.36%, 02/15/50 (Call 08/15/49)^(b)		14,935		15,238,439
Westinghouse Air Brake Technologies Corp.
3.45%, 11/15/26 (Call 08/15/26)^(a)		8,749		8,448,579
4.40%, 03/15/24 (Call 02/15/24)^(a)		9,853		9,863,297
4.95%, 09/15/28 (Call 06/15/28)^(a)		23,206		23,106,715

				260,765,528

Manufacturing — 0.9%
3M Co.
2.00%, 02/14/25 (Call 01/14/25)		8,243		8,539,929
2.38%, 08/26/29 (Call 05/26/29)^(a)		17,538		18,184,903
2.88%, 10/15/27 (Call 07/15/27)^(a)		14,016		15,270,654
3.25%, 02/14/24 (Call 01/14/24)^(a)		10,585		11,425,029
3.25%, 08/26/49 (Call 02/26/49)^(a)		11,031		12,112,777
3.38%, 03/01/29 (Call 12/01/28)^(a)		12,505		13,882,082
4.00%, 09/14/48 (Call 03/14/48)^(a)		18,903		23,439,682
ManufacturingEaton Corp., 4.15%, 11/02/42^(a)		13,174		15,216,510
General Electric Co.
3.38%, 03/11/24^(a)		11,682		12,060,561
3.63%, 05/01/30 (Call 02/01/30)		10,530		10,585,679
4.13%, 10/09/42^(a)		14,784		14,306,533
4.25%, 05/01/40 (Call 11/01/39)		605		606,182
4.35%, 05/01/50 (Call 11/01/49)		10,100		10,158,402
4.50%, 03/11/44		15,201		15,361,404
5.88%, 01/14/38^(a)		39,215		44,504,174
6.15%, 08/07/37^(a)		13,899		16,357,582
6.75%, 03/15/32		48,433		60,084,561
6.88%, 01/10/39		32,033		39,610,803
Illinois Tool Works Inc.
2.65%, 11/15/26 (Call 08/15/26)^(a)		10,898		11,824,719
3.90%, 09/01/42 (Call 03/01/42)^(a)		13,023		15,496,090
ManufacturingIngersoll-Rand Luxembourg Finance SA, 3.80%, 03/21/29 (Call 12/21/28)		15,020		16,218,462
Parker-Hannifin Corp.
3.25%, 06/14/29 (Call 03/14/29)^(a)		24,305		25,724,458
4.00%, 06/14/49 (Call 12/14/48)^(a)		10,724		11,881,260

				422,852,436

Media — 4.9%
Charter Communications Operating LLC/Charter Communications Operating Capital
2.80%, 04/01/31 (Call 01/01/31)		450		452,848
3.70%, 04/01/51 (Call 10/01/50)		150		146,585
3.75%, 02/15/28 (Call 11/15/27)		27,509		29,427,450
4.20%, 03/15/28 (Call 12/15/27)^(a)		19,303		21,284,534


Security	Par (000)		Value

Media (continued)
4.50%, 02/01/24 (Call 01/01/24)^(a)	$	10,716	$	11,616,439
4.80%, 03/01/50 (Call 09/01/49)		41,410		46,814,266
4.91%, 07/23/25 (Call 04/23/25)^(a)		75,104		84,694,616
5.05%, 03/30/29 (Call 12/30/28)^(a)		13,805		16,201,970
5.13%, 07/01/49 (Call 01/01/49)^(a)		16,437		19,421,938
5.38%, 04/01/38 (Call 10/01/37)		10,471		12,217,484
5.38%, 05/01/47 (Call 11/01/46)^(a)		33,230		39,890,615
5.75%, 04/01/48 (Call 10/01/47)^(a)		38,456		48,316,434
6.38%, 10/23/35 (Call 04/23/35)		29,967		38,669,971
6.48%, 10/23/45 (Call 04/23/45)		49,997		65,499,465
Comcast Corp.
2.35%, 01/15/27 (Call 10/15/26)^(a)		24,098		25,031,106
2.65%, 02/01/30 (Call 11/01/29)		14,807		15,657,596
3.00%, 02/01/24 (Call 01/01/24)^(a)		20,719		22,120,574
3.10%, 04/01/25 (Call 03/01/25)		210		226,757
3.15%, 03/01/26 (Call 12/01/25)^(a)		37,783		41,206,083
3.15%, 02/15/28 (Call 11/15/27)		28,111		30,651,532
3.20%, 07/15/36 (Call 01/15/36)^(a)		14,074		15,313,190
3.25%, 11/01/39 (Call 05/01/39)		21,015		22,730,213
3.30%, 02/01/27 (Call 11/01/26)^(a)		16,917		18,516,694
3.30%, 04/01/27 (Call 02/01/27)		250		274,150
3.38%, 02/15/25 (Call 11/15/24)		14,791		16,111,719
3.38%, 08/15/25 (Call 05/15/25)^(a)		23,251		25,416,856
3.40%, 04/01/30 (Call 01/01/30)		5,705		6,408,793
3.40%, 07/15/46 (Call 01/15/46)^(a)		21,517		23,904,565
3.45%, 02/01/50 (Call 08/01/49)		28,451		31,800,092
3.55%, 05/01/28 (Call 02/01/28)^(a)		17,335		19,428,858
3.60%, 03/01/24^(a)		8,779		9,555,535
3.70%, 04/15/24 (Call 03/15/24)		30,883		33,771,320
3.90%, 03/01/38 (Call 09/01/37)^(a)		19,382		22,574,450
3.95%, 10/15/25 (Call 08/15/25)^(a)		35,857		40,311,813
3.97%, 11/01/47 (Call 05/01/47)^(a)		32,477		38,532,152
4.00%, 08/15/47 (Call 02/15/47)		14,459		17,198,973
4.00%, 03/01/48 (Call 09/01/47)^(a)		16,455		19,699,301
4.00%, 11/01/49 (Call 05/01/49)		32,306		38,412,499
4.05%, 11/01/52 (Call 05/01/52)^(a)		25,388		30,553,044
4.15%, 10/15/28 (Call 07/15/28)		56,105		65,478,058
4.20%, 08/15/34 (Call 02/15/34)^(a)		14,462		17,532,455
4.25%, 10/15/30 (Call 07/15/30)^(a)		20,837		24,924,411
4.25%, 01/15/33		25,178		30,507,916
4.40%, 08/15/35 (Call 02/15/35)^(a)		9,419		11,715,184
4.60%, 10/15/38 (Call 04/15/38)^(a)		45,176		56,847,165
4.60%, 08/15/45 (Call 02/15/45)^(a)		22,525		28,801,226
4.65%, 07/15/42		17,517		22,287,485
4.70%, 10/15/48 (Call 04/15/48)^(a)		50,453		65,883,959
4.75%, 03/01/44		15,485		20,096,716
4.95%, 10/15/58 (Call 04/15/58)		37,487		52,703,374
5.65%, 06/15/35		10,623		14,883,380
6.45%, 03/15/37^(a)		8,082		11,746,478
6.50%, 11/15/35		12,524		18,828,658
6.95%, 08/15/37		8,661		13,067,124
7.05%, 03/15/33		10,900		16,404,704
Discovery Communications LLC
3.95%, 03/20/28 (Call 12/20/27)		35,583		37,282,330
4.13%, 05/15/29 (Call 02/15/29)^(a)		14,720		15,566,111
4.88%, 04/01/43		12,343		13,277,059
5.00%, 09/20/37 (Call 03/20/37)^(a)		15,339		17,001,709
5.20%, 09/20/47 (Call 03/20/47)^(a)		16,053		18,291,941
5.30%, 05/15/49 (Call 11/15/48)		9,699		11,165,736
6.35%, 06/01/40^(a)		11,679		14,433,782


Security	Par (000)		Value

Media (continued)
Fox Corp.
4.03%, 01/25/24 (Call 12/25/23)	$	11,610	$	12,527,485
4.71%, 01/25/29 (Call 10/25/28)		23,245		26,886,813
5.48%, 01/25/39 (Call 07/25/38)		15,633		19,604,217
5.58%, 01/25/49 (Call 07/25/48)		20,419		27,762,169
NBCUniversal Media LLC
4.45%, 01/15/43^(a)		9,105		11,319,194
5.95%, 04/01/41^(a)		15,925		22,728,781
Time Warner Cable LLC
4.50%, 09/15/42 (Call 03/15/42)^(a)		19,248		20,295,884
5.50%, 09/01/41 (Call 03/01/41)		18,944		22,138,925
5.88%, 11/15/40 (Call 05/15/40)		18,196		21,630,491
6.55%, 05/01/37^(a)		19,379		23,994,277
6.75%, 06/15/39		22,890		29,549,818
7.30%, 07/01/38^(a)		19,366		25,419,876
Time Warner Entertainment Co. LP
8.38%, 03/15/23		6,675		7,705,228
8.38%, 07/15/33^(a)		19,456		28,200,939
TWDC Enterprises 18 Corp.
1.85%, 07/30/26		18,328		18,547,164
2.95%, 06/15/27^(a)		11,141		12,035,965
3.00%, 02/13/26^(a)		14,924		16,049,628
3.15%, 09/17/25^(a)		7,672		8,278,182
4.13%, 06/01/44		13,037		15,619,641
ViacomCBS Inc.
4.00%, 01/15/26 (Call 10/15/25)^(a)		12,978		13,433,899
4.25%, 09/01/23 (Call 06/01/23)^(a)		6,666		6,998,599
4.38%, 03/15/43^(a)		19,631		18,899,506
4.75%, 05/15/25 (Call 04/15/25)		150		159,531
5.85%, 09/01/43 (Call 03/01/43)^(a)		18,710		21,153,359
6.88%, 04/30/36^(a)		21,163		25,370,795
7.88%, 07/30/30^(a)		11,363		14,469,644
Walt Disney Co. (The)
1.75%, 08/30/24 (Call 07/30/24)		13,400		13,582,893
2.00%, 09/01/29 (Call 06/01/29)		32,230		32,173,923
2.75%, 09/01/49 (Call 03/01/49)^(a)		36,680		35,639,539
3.35%, 03/24/25		10,000		10,906,403
3.80%, 03/22/30^(a)		10,050		11,598,655
4.63%, 03/23/40 (Call 09/23/39)		10,000		12,617,858
4.70%, 03/23/50 (Call 09/23/49)		15,000		20,028,300
6.20%, 12/15/34		13,537		19,291,511
6.40%, 12/15/35		11,130		15,753,094
6.65%, 11/15/37		18,922		28,196,870

				2,269,358,497

Metal Fabricate & Hardware — 0.0%
Metal Fabricate & HardwarePrecision Castparts Corp., 3.25%, 06/15/25 (Call 03/15/25)^(a)		12,519		13,594,451


Mining — 0.6%
MiningBarrick Gold Corp., 5.25%, 04/01/42^(a)		11,376		14,811,170
Barrick North America Finance LLC
5.70%, 05/30/41		12,821		17,402,701
5.75%, 05/01/43^(a)		13,184		18,437,713
MiningBarrick PD Australia Finance Pty Ltd., 5.95%, 10/15/39		9,426		12,743,450
BHP Billiton Finance USA Ltd.
4.13%, 02/24/42^(a)		13,362		16,577,232
5.00%, 09/30/43^(a)		34,326		47,156,060
Newmont Corp.
2.25%, 10/01/30 (Call 07/01/30)		4,134		4,091,927


Security	Par (000)		Value

Mining (continued)
3.70%, 03/15/23 (Call 12/15/22)	$	69	$	71,018
4.88%, 03/15/42 (Call 09/15/41)		16,455		20,380,543
6.25%, 10/01/39^(a)		12,351		17,291,617
MiningRio Tinto Alcan Inc., 6.13%, 12/15/33^(a)		7,221		10,082,321
Rio Tinto Finance USA Ltd.
3.75%, 06/15/25 (Call 03/15/25)^(a)		24,865		26,923,494
5.20%, 11/02/40		18,195		24,568,470
7.13%, 07/15/28^(a)		9,751		13,456,049
MiningRio Tinto Finance USA PLC, 4.13%, 08/21/42 (Call 02/21/42)^(a)		9,937		12,176,320

				256,170,085

Oil & Gas — 4.9%
Apache Corp.
4.25%, 01/15/44 (Call 07/15/43)		9,274		6,120,840
4.38%, 10/15/28 (Call 07/15/28)		13,737		10,992,622
4.75%, 04/15/43 (Call 10/15/42)		21,665		14,841,067
5.10%, 09/01/40 (Call 03/01/40)		16,818		11,688,510
BP Capital Markets America Inc.
2.75%, 05/10/23		717		733,811
3.00%, 02/24/50 (Call 08/24/49)		17,194		16,279,487
3.02%, 01/16/27 (Call 10/16/26)		18,131		18,512,164
3.12%, 05/04/26 (Call 02/04/26)		21,295		22,149,083
3.19%, 04/06/25 (Call 03/06/25)		745		779,209
3.22%, 11/28/23 (Call 09/28/23)		10,229		10,663,098
3.22%, 04/14/24 (Call 02/14/24)		13,820		14,386,591
3.41%, 02/11/26 (Call 12/11/25)		15,956		16,895,631
3.79%, 02/06/24 (Call 01/06/24)		14,981		15,875,020
3.80%, 09/21/25 (Call 07/21/25)^(a)		17,024		18,338,774
3.94%, 09/21/28 (Call 06/21/28)		11,030		11,958,244
4.23%, 11/06/28 (Call 08/06/28)		35,031		39,019,055
BP Capital Markets PLC
3.28%, 09/19/27 (Call 06/19/27)^(a)		20,254		21,147,295
3.51%, 03/17/25		15,180		16,134,122
3.54%, 11/04/24^(a)		17,716		18,772,928
3.72%, 11/28/28 (Call 08/28/28)		10,758		11,504,165
3.81%, 02/10/24		18,015		19,106,012
3.99%, 09/26/23		8,264		8,839,502
Canadian Natural Resources Ltd.
3.85%, 06/01/27 (Call 03/01/27)		15,492		14,132,376
4.95%, 06/01/47 (Call 12/01/46)^(a)		10,469		9,557,671
6.25%, 03/15/38		18,058		17,791,645
Chevron Corp.
2.57%, 05/16/23 (Call 03/16/23)		2,336		2,433,407
2.90%, 03/03/24 (Call 01/03/24)^(a)		12,522		13,292,596
2.95%, 05/16/26 (Call 02/16/26)		31,827		34,551,598
3.19%, 06/24/23 (Call 03/24/23)		21,804		23,064,805
3.33%, 11/17/25 (Call 08/17/25)^(a)		14,573		16,028,330
Cimarex Energy Co.
3.90%, 05/15/27 (Call 02/15/27)		11,768		10,414,680
4.38%, 06/01/24 (Call 03/01/24)		9,480		8,643,864
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)		15,216		14,814,019
4.30%, 08/15/28 (Call 05/15/28)		11,747		11,959,758
4.88%, 10/01/47 (Call 04/01/47)^(a)		11,352		11,326,608
Oil & GasConocoPhillips, 6.50%, 02/01/39		41,681		59,346,979
ConocoPhillips Co.
4.30%, 11/15/44 (Call 05/15/44)		10,214		11,894,974
4.95%, 03/15/26 (Call 12/15/25)		15,360		17,729,464
Oil & GasConocoPhillips Holding Co., 6.95%, 04/15/29		20,382		27,142,532


Security	Par (000)		Value

Oil & Gas (continued)
Devon Energy Corp.
4.75%, 05/15/42 (Call 11/15/41)	$	7,209	$	5,709,426
5.00%, 06/15/45 (Call 12/15/44)		15,579		12,218,751
5.60%, 07/15/41 (Call 01/15/41)		18,788		15,201,621
Diamondback Energy Inc.
2.88%, 12/01/24 (Call 11/01/24)^(a)		14,147		12,889,534
3.25%, 12/01/26 (Call 10/01/26)		15,414		13,315,984
3.50%, 12/01/29 (Call 09/01/29)		19,677		16,925,888
5.38%, 05/31/25 (Call 05/31/20)		7,090		6,702,177
Oil & GasEOG Resources Inc., 4.15%, 01/15/26 (Call 10/15/25)^(a)		13,342		14,712,676
Equinor ASA
2.65%, 01/15/24		17,067		17,623,408
2.88%, 04/06/25 (Call 03/06/25)		685		717,459
3.13%, 04/06/30 (Call 01/06/30)		490		526,441
3.25%, 11/18/49 (Call 05/18/49)		16,890		17,618,496
3.63%, 09/10/28 (Call 06/10/28)		11,339		12,508,041
3.70%, 03/01/24		16,645		17,818,892
3.70%, 04/06/50 (Call 10/06/49)		335		371,163
3.95%, 05/15/43		11,673		12,873,365
4.80%, 11/08/43		14,007		17,163,898
5.10%, 08/17/40		11,167		13,993,304
Exxon Mobil Corp.
2.02%, 08/16/24 (Call 07/16/24)		12,612		12,909,885
2.28%, 08/16/26 (Call 06/16/26)		21,800		22,335,249
2.44%, 08/16/29 (Call 05/16/29)		22,762		23,403,800
2.61%, 10/15/30 (Call 07/15/30)		60,250		62,681,539
2.71%, 03/06/25 (Call 12/06/24)		28,843		30,248,753
2.99%, 03/19/25 (Call 02/19/25)		15,000		16,013,232
3.00%, 08/16/39 (Call 02/16/39)		11,649		11,790,669
3.04%, 03/01/26 (Call 12/01/25)		37,456		40,135,441
3.10%, 08/16/49 (Call 02/16/49)^(a)		23,559		24,019,107
3.18%, 03/15/24 (Call 12/15/23)^(a)		9,464		10,068,710
3.29%, 03/19/27 (Call 01/19/27)		10,200		11,122,415
3.45%, 04/15/51 (Call 10/15/50)		18,823		20,613,909
3.48%, 03/19/30 (Call 12/19/29)		50,000		55,797,100
3.57%, 03/06/45 (Call 09/06/44)		13,621		14,647,372
4.11%, 03/01/46 (Call 09/01/45)^(a)		37,772		44,331,988
4.23%, 03/19/40 (Call 09/19/39)		10,200		12,188,516
4.33%, 03/19/50 (Call 09/19/49)		43,477		53,112,121
Hess Corp.
4.30%, 04/01/27 (Call 01/01/27)		11,126		10,061,735
5.60%, 02/15/41^(a)		20,482		17,829,853
6.00%, 01/15/40^(a)		13,245		11,915,713
Husky Energy Inc.
4.00%, 04/15/24 (Call 01/15/24)		1,599		1,440,486
4.40%, 04/15/29 (Call 01/15/29)		9,916		8,057,246
Marathon Oil Corp.
3.85%, 06/01/25 (Call 03/01/25)		12,790		11,031,375
4.40%, 07/15/27 (Call 04/15/27)		17,529		13,628,798
6.60%, 10/01/37		12,988		10,172,609
Marathon Petroleum Corp.
3.63%, 09/15/24 (Call 06/15/24)		7,252		6,974,765
4.75%, 09/15/44 (Call 03/15/44)		14,292		12,996,677
6.50%, 03/01/41 (Call 09/01/40)		20,397		21,369,284
Oil & GasNewfield Exploration Co., 5.63%, 07/01/24		8,495		6,079,993
Noble Energy Inc.
5.05%, 11/15/44 (Call 05/15/44)		12,331		9,050,024
5.25%, 11/15/43 (Call 05/15/43)		13,878		10,258,949
6.00%, 03/01/41 (Call 09/01/40)		12,216		9,732,286


Security	Par (000)		Value

Oil & Gas (continued)
Oil & GasOvintiv Inc., 6.50%, 08/15/34	$	10,276	$	6,413,937
Phillips 66
3.90%, 03/15/28 (Call 12/15/27)^(a)		12,265		12,880,417
4.65%, 11/15/34 (Call 05/15/34)		11,824		12,886,315
4.88%, 11/15/44 (Call 05/15/44)^(a)		27,589		30,974,071
5.88%, 05/01/42		21,641		27,452,074
Shell International Finance BV
2.00%, 11/07/24 (Call 10/07/24)		21,098		21,285,004
2.38%, 11/07/29 (Call 08/07/29)		26,353		26,447,444
2.50%, 09/12/26		14,349		14,812,379
2.75%, 04/06/30 (Call 01/06/30)		200		209,064
2.88%, 05/10/26		28,279		29,897,317
3.13%, 11/07/49 (Call 05/07/49)^(a)		18,557		18,856,671
3.25%, 05/11/25		43,526		46,477,868
3.40%, 08/12/23		9,402		9,952,803
3.50%, 11/13/23 (Call 10/13/23)		8,222		8,714,297
3.75%, 09/12/46		18,006		19,532,855
3.88%, 11/13/28 (Call 08/13/28)		25,925		28,913,784
4.00%, 05/10/46		34,372		39,017,953
4.13%, 05/11/35		23,195		26,844,585
4.38%, 05/11/45		46,742		55,073,299
4.55%, 08/12/43		18,794		22,399,693
5.50%, 03/25/40^(a)		5,186		6,788,664
6.38%, 12/15/38		41,667		59,930,929
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)		8,602		8,782,676
4.00%, 11/15/47 (Call 05/15/47)^(a)		8,081		7,628,467
6.50%, 06/15/38		17,850		19,333,878
6.80%, 05/15/38		17,966		19,867,090
6.85%, 06/01/39		8,067		9,017,223
Oil & GasTotal Capital Canada Ltd., 2.75%, 07/15/23		6,669		6,904,566
Total Capital International SA
2.43%, 01/10/25 (Call 10/10/24)^(a)		16,721		17,222,695
2.83%, 01/10/30 (Call 10/10/29)^(a)		19,975		20,660,963
3.46%, 02/19/29 (Call 11/19/28)^(a)		20,486		22,088,524
3.46%, 07/12/49 (Call 01/12/49)		16,038		16,805,539
3.70%, 01/15/24		13,168		14,080,108
3.75%, 04/10/24		12,750		13,715,962
Oil & GasTotal Capital SA, 3.88%, 10/11/28		15,764		17,434,749
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)		20,258		20,143,694
4.00%, 04/01/29 (Call 01/01/29)		18,476		18,937,085
4.35%, 06/01/28 (Call 03/01/28)		6,186		6,381,802
6.63%, 06/15/37		21,943		25,757,170
7.50%, 04/15/32		9,375		11,391,514

				2,265,687,787

Oil & Gas Services — 0.4%
Oil & Gas ServicesBaker Hughes a GE Co. LLC, 5.13%, 09/15/40^(a)		13,811		14,076,678
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
3.34%, 12/15/27 (Call 09/15/27)		21,010		20,077,874
4.08%, 12/15/47 (Call 06/15/47)		21,781		18,261,151
Halliburton Co.
3.80%, 11/15/25 (Call 08/15/25)^(a)		14,555		13,966,338
4.75%, 08/01/43 (Call 02/01/43)		11,430		9,136,884
4.85%, 11/15/35 (Call 05/15/35)		13,490		11,820,317
5.00%, 11/15/45 (Call 05/15/45)		33,416		27,433,584
6.70%, 09/15/38		17,422		17,740,093
7.45%, 09/15/39		14,798		15,195,132


Security	Par (000)		Value

Oil & Gas Services (continued)
Oil & Gas ServicesSchlumberger Investment SA, 3.65%, 12/01/23 (Call 09/01/23)	$	23,926	$	24,341,638

				172,049,689

Packaging & Containers — 0.1%
WRKCo Inc.
4.65%, 03/15/26 (Call 01/15/26)^(a)		16,118		17,810,611
4.90%, 03/15/29 (Call 12/15/28)^(a)		10,940		12,444,323

				30,254,934

Pharmaceuticals — 9.3%
AbbVie Inc.
2.60%, 11/21/24 (Call 10/21/24)^(a)(b)		49,611		51,485,259
2.85%, 05/14/23 (Call 03/14/23)		12,483		13,028,190
2.95%, 11/21/26 (Call 09/21/26)^(b)		54,426		57,529,643
3.20%, 05/14/26 (Call 02/14/26)^(a)		29,770		31,812,660
3.20%, 11/21/29 (Call 08/21/29)^(a)(b)		82,424		87,937,259
3.60%, 05/14/25 (Call 02/14/25)^(a)		53,909		58,580,926
3.75%, 11/14/23 (Call 10/14/23)^(a)		15,475		16,664,331
4.05%, 11/21/39 (Call 05/21/39)^(b)		50,435		56,014,927
4.25%, 11/14/28 (Call 08/14/28)^(a)		31,915		36,505,826
4.25%, 11/21/49 (Call 05/21/49)^(a)(b)		77,875		89,688,793
4.30%, 05/14/36 (Call 11/14/35)^(a)		12,279		13,969,936
4.40%, 11/06/42		39,493		45,534,923
4.45%, 05/14/46 (Call 11/14/45)^(a)		24,994		29,111,869
4.50%, 05/14/35 (Call 11/14/34)^(a)		38,382		44,837,553
4.70%, 05/14/45 (Call 11/14/44)		37,381		44,621,659
4.88%, 11/14/48 (Call 05/14/48)		26,687		33,067,483
PharmaceuticalsAllergan Finance LLC, 3.25%, 10/01/22 (Call 07/01/22)		7,144		7,339,246
Allergan Funding SCS
3.45%, 03/15/22 (Call 01/15/22)		2,953		3,029,740
3.80%, 03/15/25 (Call 12/15/24)^(a)		43,057		46,484,385
3.85%, 06/15/24 (Call 03/15/24)		12,685		13,550,546
4.55%, 03/15/35 (Call 09/15/34)		19,731		22,524,458
4.75%, 03/15/45 (Call 09/15/44)		11,110		12,956,722
4.85%, 06/15/44 (Call 12/15/43)		12,101		14,230,193
PharmaceuticalsAmerisourceBergen Corp., 3.45%, 12/15/27 (Call 09/15/27)^(a)		9,315		10,089,319
AstraZeneca PLC
3.13%, 06/12/27 (Call 03/12/27)^(a)		13,344		14,557,761
3.38%, 11/16/25		39,032		43,169,829
3.50%, 08/17/23 (Call 07/17/23)		6,402		6,855,101
4.00%, 01/17/29 (Call 10/17/28)^(a)		15,076		17,721,368
4.00%, 09/18/42^(a)		14,044		17,223,644
4.38%, 11/16/45^(a)		15,003		19,725,655
4.38%, 08/17/48 (Call 02/17/48)^(a)		9,854		13,220,187
6.45%, 09/15/37^(a)		40,138		60,345,853
Becton Dickinson and Co.
3.36%, 06/06/24 (Call 04/06/24)^(a)		23,814		25,230,807
3.70%, 06/06/27 (Call 03/06/27)		35,522		38,723,601
3.73%, 12/15/24 (Call 09/15/24)		22,900		24,657,497
4.67%, 06/06/47 (Call 12/06/46)^(a)		20,592		25,756,272
4.69%, 12/15/44 (Call 06/15/44)^(a)		15,081		18,329,643
Bristol-Myers Squibb Co.
2.90%, 07/26/24 (Call 06/26/24)^(b)		47,510		50,637,802
3.20%, 06/15/26 (Call 04/15/26)^(a)(b)		37,024		40,878,739
3.25%, 02/27/27^(a)		8,493		9,464,241
3.40%, 07/26/29 (Call 04/26/29)^(a)(b)		56,314		64,220,874
3.45%, 11/15/27 (Call 08/15/27)^(a)(b)		9,710		10,888,063
3.63%, 05/15/24 (Call 02/15/24)^(b)		18,178		19,752,249


Security	Par (000)		Value

Pharmaceuticals (continued)
3.88%, 08/15/25 (Call 05/15/25)^(a)(b)	$	39,147	$	43,910,716
3.90%, 02/20/28 (Call 11/20/27)^(b)		22,212		25,579,310
4.13%, 06/15/39 (Call 12/15/38)^(a)(b)		27,168		33,667,064
4.25%, 10/26/49 (Call 04/26/49)^(a)(b)		49,198		64,295,626
4.35%, 11/15/47 (Call 05/15/47)^(b)		18,084		23,530,103
4.55%, 02/20/48 (Call 08/20/47)^(b)		22,354		30,004,040
4.63%, 05/15/44 (Call 11/15/43)^(b)		13,014		17,311,496
5.00%, 08/15/45 (Call 02/15/45)^(b)		27,617		38,178,804
Cardinal Health Inc.
3.08%, 06/15/24 (Call 04/15/24)		13,057		13,444,931
3.41%, 06/15/27 (Call 03/15/27)^(a)		17,286		18,413,561
Cigna Corp.
2.40%, 03/15/30 (Call 12/15/29)		4,922		4,973,198
3.00%, 07/15/23 (Call 05/16/23)^(b)		3,796		3,945,860
3.25%, 04/15/25 (Call 01/15/25)^(b)		19,957		21,322,538
3.40%, 03/01/27 (Call 12/01/26)^(a)(b)		14,439		15,437,542
3.40%, 03/15/50 (Call 09/15/49)		4,092		4,295,316
3.75%, 07/15/23 (Call 06/15/23)		17,086		18,220,314
3.88%, 10/15/47 (Call 04/15/47)^(b)		10,766		11,867,852
4.13%, 11/15/25 (Call 09/15/25)^(a)		48,789		54,629,731
4.38%, 10/15/28 (Call 07/15/28)^(a)		51,447		58,843,540
4.50%, 02/25/26 (Call 11/27/25)^(a)(b)		24,150		27,462,373
4.80%, 08/15/38 (Call 02/15/38)^(a)		32,704		39,793,701
4.80%, 07/15/46 (Call 01/16/46)^(a)(b)		24,888		30,810,072
4.90%, 12/15/48 (Call 06/15/48)^(a)		40,263		51,647,955
CVS Health Corp.
2.63%, 08/15/24 (Call 07/15/24)^(a)		13,230		13,738,794
2.88%, 06/01/26 (Call 03/01/26)		26,294		27,628,668
3.00%, 08/15/26 (Call 06/15/26)^(a)		5,380		5,697,262
3.25%, 08/15/29 (Call 05/15/29)		17,765		18,902,932
3.75%, 04/01/30 (Call 01/01/30)		17,230		19,124,445
3.88%, 07/20/25 (Call 04/20/25)^(a)		41,144		45,045,274
4.00%, 12/05/23 (Call 09/05/23)^(a)		7,465		8,059,709
4.10%, 03/25/25 (Call 01/25/25)		75,808		83,453,911
4.13%, 04/01/40 (Call 10/01/39)		5,200		5,836,953
4.25%, 04/01/50 (Call 10/01/49)		4,775		5,520,005
4.30%, 03/25/28 (Call 12/25/27)^(a)		132,168		149,225,258
4.78%, 03/25/38 (Call 09/25/37)^(a)		76,177		90,219,293
5.05%, 03/25/48 (Call 09/25/47)^(a)		106,415		134,263,039
5.13%, 07/20/45 (Call 01/20/45)^(a)		55,793		70,178,812
5.30%, 12/05/43 (Call 06/05/43)^(a)		10,720		13,627,690
Eli Lilly & Co.
3.38%, 03/15/29 (Call 12/15/28)^(a)		19,417		22,134,434
3.95%, 03/15/49 (Call 09/15/48)^(a)		25,046		31,770,052
4.15%, 03/15/59 (Call 09/15/58)		16,856		22,566,813
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23^(a)		6,117		6,459,577
3.38%, 05/15/23		8,188		8,732,312
3.63%, 05/15/25^(a)		17,792		19,846,072
3.88%, 05/15/28^(a)		16,861		19,579,595
6.38%, 05/15/38^(a)		46,296		72,003,511
GlaxoSmithKline Capital PLC
3.00%, 06/01/24 (Call 05/01/24)		17,591		18,824,643
3.38%, 06/01/29 (Call 03/01/29)^(a)		14,537		16,526,160
Johnson & Johnson
2.45%, 03/01/26 (Call 12/01/25)		27,251		29,342,100
2.63%, 01/15/25 (Call 11/15/24)^(a)		12,755		13,757,817
2.90%, 01/15/28 (Call 10/15/27)^(a)		16,760		18,761,555
2.95%, 03/03/27 (Call 12/03/26)		11,475		12,761,458
3.38%, 12/05/23^(a)		8,136		8,993,969


Security	Par (000)		Value

Pharmaceuticals (continued)
3.40%, 01/15/38 (Call 07/15/37)^(a)	$	18,955	$	22,120,256
3.50%, 01/15/48 (Call 07/15/47)^(a)		15,460		19,318,167
3.55%, 03/01/36 (Call 09/01/35)		12,968		15,265,337
3.63%, 03/03/37 (Call 09/03/36)		25,667		30,631,550
3.70%, 03/01/46 (Call 09/01/45)		25,171		31,529,028
3.75%, 03/03/47 (Call 09/03/46)^(a)		14,313		18,272,588
4.38%, 12/05/33 (Call 06/05/33)		18,551		24,141,136
5.95%, 08/15/37^(a)		11,446		17,169,820
PharmaceuticalsMead Johnson Nutrition Co., 4.13%, 11/15/25 (Call 08/15/25)^(a)		8,958		10,169,317
Merck & Co. Inc.
2.75%, 02/10/25 (Call 11/10/24)^(a)		32,805		35,436,059
2.80%, 05/18/23^(a)		21,255		22,615,594
2.90%, 03/07/24 (Call 02/07/24)^(a)		10,641		11,435,553
3.40%, 03/07/29 (Call 12/07/28)^(a)		36,033		41,382,607
3.70%, 02/10/45 (Call 08/10/44)		32,566		39,438,429
3.90%, 03/07/39 (Call 09/07/38)		9,925		12,156,941
4.00%, 03/07/49 (Call 09/07/48)^(a)		23,364		30,673,876
4.15%, 05/18/43^(a)		17,543		22,429,396
Mylan Inc.
4.55%, 04/15/28 (Call 01/15/28)		12,048		13,141,697
5.20%, 04/15/48 (Call 10/15/47)^(a)		10,023		11,286,098
Mylan NV
3.95%, 06/15/26 (Call 03/15/26)^(a)		32,166		34,028,000
3.95%, 06/15/26 (Call 03/15/26)^(b)		1,497		1,585,997
5.25%, 06/15/46 (Call 12/15/45)^(a)		14,614		16,615,276
Novartis Capital Corp.
1.75%, 02/14/25 (Call 01/14/25)^(a)		20,479		21,043,506
2.00%, 02/14/27 (Call 12/14/26)^(a)		23,107		24,457,392
2.20%, 08/14/30 (Call 05/14/30)^(a)		29,875		31,531,333
2.75%, 08/14/50 (Call 02/14/50)^(a)		26,495		28,692,776
3.00%, 11/20/25 (Call 08/20/25)^(a)		27,117		29,619,411
3.10%, 05/17/27 (Call 02/17/27)^(a)		18,132		20,197,373
3.40%, 05/06/24		19,849		21,652,012
4.00%, 11/20/45 (Call 05/20/45)^(a)		10,340		13,333,415
4.40%, 05/06/44		23,056		31,007,184
Pfizer Inc.
2.75%, 06/03/26^(a)		22,919		25,079,356
2.95%, 03/15/24 (Call 02/15/24)^(a)		9,029		9,728,124
3.00%, 06/15/23^(a)		11,342		12,117,311
3.00%, 12/15/26^(a)		21,753		24,222,120
3.20%, 09/15/23 (Call 08/15/23)^(a)		4,087		4,422,008
3.40%, 05/15/24^(a)		17,639		19,337,921
3.45%, 03/15/29 (Call 12/15/28)^(a)		19,547		22,416,331
3.60%, 09/15/28 (Call 06/15/28)		17,112		19,655,613
3.90%, 03/15/39 (Call 09/15/38)^(a)		11,349		13,869,199
4.00%, 12/15/36^(a)		10,261		12,456,059
4.00%, 03/15/49 (Call 09/15/48)^(a)		17,084		22,061,295
4.13%, 12/15/46		15,004		19,022,119
4.20%, 09/15/48 (Call 03/15/48)^(a)		15,362		20,182,276
4.30%, 06/15/43^(a)		15,211		19,581,952
4.40%, 05/15/44^(a)		12,739		16,674,662
7.20%, 03/15/39^(a)		34,526		57,659,024
Sanofi
3.38%, 06/19/23 (Call 05/19/23)^(a)		7,939		8,479,116
3.63%, 06/19/28 (Call 03/19/28)^(a)		9,367		11,060,609
Shire Acquisitions Investments Ireland DAC
2.88%, 09/23/23 (Call 07/23/23)		28,663		29,792,001
3.20%, 09/23/26 (Call 06/23/26)^(a)		45,985		49,790,719


Security	Par (000)		Value

Pharmaceuticals (continued)
Takeda Pharmaceutical Co. Ltd.
4.40%, 11/26/23 (Call 10/26/23)	$	18,758	$	20,528,132
5.00%, 11/26/28 (Call 08/26/28)^(a)		28,533		34,383,189
Wyeth LLC
5.95%, 04/01/37^(a)		27,374		39,698,588
6.50%, 02/01/34		11,425		16,713,693
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)^(a)		11,934		12,848,868
4.50%, 11/13/25 (Call 08/13/25)^(a)		11,185		12,706,956
4.70%, 02/01/43 (Call 08/01/42)^(a)		15,104		19,476,735

				4,302,463,888

Pipelines — 3.3%
Cheniere Corpus Christi Holdings LLC
3.70%, 11/15/29 (Call 05/18/29)^(b)		21,848		20,083,136
5.13%, 06/30/27 (Call 01/01/27)		29,811		29,803,547
5.88%, 03/31/25 (Call 10/02/24)		20,211		20,861,744
7.00%, 06/30/24 (Call 01/01/24)		12,487		13,368,582
PipelinesEnable Midstream Partners LP, 4.95%, 05/15/28 (Call 02/15/28)		14,145		10,857,297
Enbridge Inc.
3.13%, 11/15/29 (Call 08/15/29)		20,456		19,647,708
4.00%, 10/01/23 (Call 07/01/23)		8,469		8,731,132
4.25%, 12/01/26 (Call 09/01/26)		12,574		13,200,207
5.50%, 12/01/46 (Call 06/01/46)		9,578		10,775,802
Energy Transfer Operating LP
2.90%, 05/15/25 (Call 04/15/25)		17,502		16,290,659
3.75%, 05/15/30 (Call 02/15/30)		15,903		14,563,013
4.05%, 03/15/25 (Call 12/15/24)		17,693		17,306,328
4.50%, 04/15/24 (Call 03/15/24)		11,573		11,491,102
4.75%, 01/15/26 (Call 10/15/25)		15,678		15,411,896
4.95%, 06/15/28 (Call 03/15/28)^(a)		15,387		14,860,688
5.00%, 05/15/50 (Call 11/15/49)		25,334		22,645,303
5.15%, 03/15/45 (Call 09/15/44)		7,758		6,859,608
5.25%, 04/15/29 (Call 01/15/29)		21,352		21,339,061
5.30%, 04/15/47 (Call 10/15/46)		12,134		10,808,789
5.50%, 06/01/27 (Call 03/01/27)		13,997		14,212,974
5.88%, 01/15/24 (Call 10/15/23)		15,986		16,554,668
6.00%, 06/15/48 (Call 12/15/47)		15,186		14,431,623
6.13%, 12/15/45 (Call 06/15/45)		16,651		15,885,798
6.25%, 04/15/49 (Call 10/15/48)		29,149		28,685,304
6.50%, 02/01/42 (Call 08/01/41)		14,745		14,783,305
Enterprise Products Operating LLC
2.80%, 01/31/30 (Call 10/31/29)		20,423		20,153,539
3.13%, 07/31/29 (Call 04/30/29)		22,876		22,878,159
3.70%, 02/15/26 (Call 11/15/25)		16,413		17,493,254
3.70%, 01/31/51 (Call 07/31/50)		15,822		14,784,604
3.75%, 02/15/25 (Call 11/15/24)^(a)		16,722		17,751,007
3.90%, 02/15/24 (Call 11/15/23)		10,108		10,682,004
3.95%, 01/31/60 (Call 07/31/59)		17,965		16,530,899
4.15%, 10/16/28 (Call 07/16/28)		16,533		17,650,363
4.20%, 01/31/50 (Call 07/31/49)		20,968		21,227,701
4.25%, 02/15/48 (Call 08/15/47)		18,926		18,783,461
4.45%, 02/15/43 (Call 08/15/42)^(a)		13,346		13,512,139
4.80%, 02/01/49 (Call 08/01/48)^(a)		18,060		19,589,705
4.85%, 08/15/42 (Call 02/15/42)		12,669		13,328,178
4.85%, 03/15/44 (Call 09/15/43)		16,442		17,718,733
4.90%, 05/15/46 (Call 11/15/45)		13,746		14,629,717
5.10%, 02/15/45 (Call 08/15/44)		15,800		17,291,067
5.95%, 02/01/41		7,272		8,330,698


Security	Par (000)		Value

Pipelines (continued)
Kinder Morgan Energy Partners LP
5.50%, 03/01/44 (Call 09/01/43)	$	8,262	$	9,208,615
6.95%, 01/15/38		17,053		20,363,327
Kinder Morgan Inc./DE
4.30%, 06/01/25 (Call 03/01/25)		21,799		23,232,378
4.30%, 03/01/28 (Call 12/01/27)^(a)		17,795		18,850,117
5.05%, 02/15/46 (Call 08/15/45)		13,778		14,986,880
5.20%, 03/01/48 (Call 09/01/47)^(a)		13,666		15,417,603
5.30%, 12/01/34 (Call 06/01/34)		7,420		8,015,912
5.55%, 06/01/45 (Call 12/01/44)^(a)		27,866		31,972,484
7.75%, 01/15/32		11,676		14,896,379
MPLX LP
4.00%, 03/15/28 (Call 12/15/27)^(a)		18,653		17,592,864
4.13%, 03/01/27 (Call 12/01/26)^(a)		18,417		17,850,395
4.50%, 07/15/23 (Call 04/15/23)		5,509		5,510,794
4.50%, 04/15/38 (Call 10/15/37)		25,114		22,378,375
4.70%, 04/15/48 (Call 10/15/47)		23,524		20,944,720
4.80%, 02/15/29 (Call 11/15/28)^(a)		11,679		11,745,916
4.88%, 12/01/24 (Call 09/01/24)		18,563		18,332,611
4.88%, 06/01/25 (Call 03/01/25)		17,236		16,791,225
5.20%, 03/01/47 (Call 09/01/46)		13,603		12,762,890
5.50%, 02/15/49 (Call 08/15/48)		21,284		20,944,082
ONEOK Inc.
3.40%, 09/01/29 (Call 06/01/29)		14,508		12,052,691
4.45%, 09/01/49 (Call 03/01/49)		8,526		6,535,407
4.55%, 07/15/28 (Call 04/15/28)^(a)		16,024		14,525,014
5.20%, 07/15/48 (Call 01/15/48)		13,422		11,218,708
Plains All American Pipeline LP/PAA Finance Corp.
3.55%, 12/15/29 (Call 09/15/29)		14,888		12,698,298
3.60%, 11/01/24 (Call 08/01/24)		10,688		10,008,680
4.50%, 12/15/26 (Call 09/15/26)		11,223		10,316,476
4.65%, 10/15/25 (Call 07/15/25)		18,513		17,445,818
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)		22,820		22,540,911
5.00%, 03/15/27 (Call 09/15/26)^(a)		19,510		20,041,843
5.63%, 03/01/25 (Call 12/01/24)		24,020		25,190,975
5.75%, 05/15/24 (Call 02/15/24)		20,029		20,866,100
5.88%, 06/30/26 (Call 12/31/25)		17,433		18,497,380
PipelinesSpectra Energy Partners LP, 4.75%, 03/15/24 (Call 12/15/23)		10,834		11,491,290
Sunoco Logistics Partners Operations LP
4.00%, 10/01/27 (Call 07/01/27)		11,226		10,442,466
5.35%, 05/15/45 (Call 11/15/44)		12,791		11,513,625
5.40%, 10/01/47 (Call 04/01/47)		16,930		15,350,412
TransCanada PipeLines Ltd.
4.10%, 04/15/30 (Call 01/15/30)		200		216,331
4.25%, 05/15/28 (Call 02/15/28)		18,882		20,284,487
4.63%, 03/01/34 (Call 12/01/33)		24,458		26,002,980
4.88%, 01/15/26 (Call 10/15/25)		10,686		11,734,805
4.88%, 05/15/48 (Call 11/15/47)^(a)		15,125		17,000,919
5.10%, 03/15/49 (Call 09/15/48)		17,689		20,545,489
6.10%, 06/01/40^(a)		10,002		12,092,725
6.20%, 10/15/37		12,228		14,976,319
7.63%, 01/15/39		15,616		20,964,560
PipelinesTranscontinental Gas Pipe Line Co. LLC, 7.85%, 02/01/26 (Call 11/01/25)		23,420		27,251,100
Williams Companies Inc. (The)
3.75%, 06/15/27 (Call 03/15/27)^(a)		21,509		21,609,221
3.90%, 01/15/25 (Call 10/15/24)		11,171		11,272,233
4.00%, 09/15/25 (Call 06/15/25)		12,121		12,322,550


Security	Par (000)		Value

Pipelines (continued)
4.30%, 03/04/24 (Call 12/04/23)	$	12,253	$	12,554,513
4.55%, 06/24/24 (Call 03/24/24)		7,934		8,243,902
4.85%, 03/01/48 (Call 09/01/47)^(a)		12,861		13,111,371
5.10%, 09/15/45 (Call 03/15/45)^(a)		14,187		14,824,036
6.30%, 04/15/40		18,623		21,467,784

				1,544,803,488

Real Estate Investment Trusts — 1.6%
Real Estate Investment TrustsAlexandria Real Estate Equities Inc., 3.38%, 08/15/31 (Call 05/15/31)^(a)		13,365		14,211,325
American Tower Corp.
2.40%, 03/15/25 (Call 02/15/25)		7,496		7,692,614
2.75%, 01/15/27 (Call 11/15/26)^(a)		12,157		12,564,393
2.90%, 01/15/30 (Call 10/15/29)^(a)		10,772		11,279,452
3.38%, 10/15/26 (Call 07/15/26)^(a)		13,125		14,160,998
3.55%, 07/15/27 (Call 04/15/27)^(a)		12,307		13,410,673
3.80%, 08/15/29 (Call 05/15/29)^(a)		27,970		31,234,896
4.00%, 06/01/25 (Call 03/01/25)		13,423		14,775,774
5.00%, 02/15/24^(a)		9,613		10,717,628
Boston Properties LP
2.75%, 10/01/26 (Call 07/01/26)^(a)		23,096		23,041,685
3.20%, 01/15/25 (Call 10/15/24)^(a)		13,970		14,424,535
3.40%, 06/21/29 (Call 03/21/29)^(a)		14,218		14,760,677
3.65%, 02/01/26 (Call 11/03/25)^(a)		26,416		27,518,208
4.50%, 12/01/28 (Call 09/01/28)^(a)		9,155		10,316,217
Real Estate Investment TrustsBrixmor Operating Partnership LP, 4.13%, 05/15/29 (Call 02/15/29)		13,538		13,560,338
Crown Castle International Corp.
3.15%, 07/15/23 (Call 06/15/23)^(a)		6,647		6,953,102
3.20%, 09/01/24 (Call 07/01/24)		10,815		11,464,521
3.30%, 07/01/30 (Call 04/01/30)		225		241,243
3.65%, 09/01/27 (Call 06/01/27)^(a)		11,638		12,739,596
3.70%, 06/15/26 (Call 03/15/26)^(a)		9,263		10,124,141
3.80%, 02/15/28 (Call 11/15/27)^(a)		20,469		22,604,060
4.45%, 02/15/26 (Call 11/15/25)^(a)		12,212		13,699,829
Digital Realty Trust LP
3.60%, 07/01/29 (Call 04/01/29)^(a)		11,186		11,985,409
3.70%, 08/15/27 (Call 05/15/27)^(a)		20,839		22,206,480
Equinix Inc.
2.63%, 11/18/24 (Call 10/18/24)		8,780		9,019,355
3.20%, 11/18/29 (Call 08/18/29)^(a)		17,383		18,251,802
5.38%, 05/15/27 (Call 05/15/22)^(a)		17,609		18,929,675
5.88%, 01/15/26 (Call 01/15/21)^(a)		13,162		13,758,239
Real Estate Investment TrustsERP Operating LP, 4.50%, 07/01/44 (Call 01/01/44)^(a)		9,541		11,646,982
GLP Capital LP/GLP Financing II Inc.
5.25%, 06/01/25 (Call 03/01/25)^(a)		12,011		11,728,742
5.30%, 01/15/29 (Call 10/15/28)		11,322		10,829,657
5.38%, 04/15/26 (Call 01/15/26)		15,013		14,945,886
Healthpeak Properties Inc.
3.00%, 01/15/30 (Call 10/15/29)^(a)		7,241		6,891,803
3.88%, 08/15/24 (Call 05/17/24)^(a)		14,889		15,394,175
4.00%, 06/01/25 (Call 03/01/25)^(a)		13,619		13,988,614
Prologis LP
2.25%, 04/15/30 (Call 01/15/30)^(a)		21,441		21,449,443
3.75%, 11/01/25 (Call 08/01/25)^(a)		7,503		8,237,448
Real Estate Investment TrustsRealty Income Corp., 4.65%, 08/01/23 (Call 05/01/23)^(a)		9,681		10,275,236
Simon Property Group LP
2.00%, 09/13/24 (Call 06/13/24)		13,775		12,975,938
2.45%, 09/13/29 (Call 06/13/29)^(a)		19,686		17,660,096


Security	Par (000)		Value

Real Estate Investment Trusts (continued)
3.25%, 11/30/26 (Call 08/30/26)^(a)	$	6,898	$	6,777,736
3.25%, 09/13/49 (Call 03/13/49)^(a)		16,672		13,815,936
3.30%, 01/15/26 (Call 10/15/25)^(a)		15,359		15,072,075
3.38%, 10/01/24 (Call 07/01/24)^(a)		15,655		15,578,514
3.38%, 06/15/27 (Call 03/15/27)^(a)		11,497		11,195,398
3.38%, 12/01/27 (Call 09/01/27)^(a)		15,118		14,736,719
Real Estate Investment TrustsVentas Realty LP, 4.40%, 01/15/29 (Call 10/15/28)^(a)		11,649		11,859,987
Welltower Inc.
3.10%, 01/15/30 (Call 10/15/29)^(a)		11,060		10,499,108
3.63%, 03/15/24 (Call 02/15/24)		12,732		12,854,873
4.00%, 06/01/25 (Call 03/01/25)^(a)		28,686		29,399,622
4.25%, 04/15/28 (Call 01/15/28)		11,047		11,421,278
Weyerhaeuser Co.
4.00%, 11/15/29 (Call 08/15/29)^(a)		13,547		14,472,186
7.38%, 03/15/32^(a)		17,466		23,165,551

				752,519,868

Retail — 3.8%
RetailAutoZone Inc., 4.00%, 04/15/30 (Call 01/15/30)		295		317,505
Costco Wholesale Corp.
1.38%, 06/20/27 (Call 04/20/27)		100		100,530
1.60%, 04/20/30 (Call 01/20/30)		225		223,365
1.75%, 04/20/32 (Call 01/20/32)		950		945,866
2.75%, 05/18/24 (Call 03/18/24)^(a)		14,921		15,966,583
3.00%, 05/18/27 (Call 02/18/27)^(a)		14,942		16,603,621
Dollar Tree Inc.
3.70%, 05/15/23 (Call 04/15/23)^(a)		14,284		14,977,521
4.00%, 05/15/25 (Call 03/15/25)^(a)		15,341		16,579,479
4.20%, 05/15/28 (Call 02/15/28)		18,930		20,314,220
Home Depot Inc. (The)
2.13%, 09/15/26 (Call 06/15/26)^(a)		18,829		19,839,383
2.50%, 04/15/27 (Call 02/15/27)		3,400		3,579,705
2.70%, 04/15/30 (Call 01/15/30)^(a)		10,225		10,927,523
2.80%, 09/14/27 (Call 06/14/27)^(a)		15,242		16,488,244
2.95%, 06/15/29 (Call 03/15/29)^(a)		24,359		26,359,878
3.00%, 04/01/26 (Call 01/01/26)^(a)		19,500		21,349,663
3.13%, 12/15/49 (Call 06/15/49)^(a)		23,842		25,510,575
3.30%, 04/15/40 (Call 10/15/39)		15,000		16,393,608
3.35%, 09/15/25 (Call 06/15/25)^(a)		17,834		19,750,267
3.35%, 04/15/50 (Call 10/15/49)^(a)		11,620		12,877,047
3.50%, 09/15/56 (Call 03/15/56)^(a)		14,596		16,483,349
3.75%, 02/15/24 (Call 11/15/23)^(a)		15,317		16,840,352
3.90%, 12/06/28 (Call 09/06/28)^(a)		11,624		13,459,055
3.90%, 06/15/47 (Call 12/15/46)^(a)		20,778		24,527,488
4.20%, 04/01/43 (Call 10/01/42)		10,208		12,287,666
4.25%, 04/01/46 (Call 10/01/45)^(a)		20,710		25,871,688
4.40%, 03/15/45 (Call 09/15/44)^(a)		13,324		16,620,051
4.50%, 12/06/48 (Call 06/06/48)^(a)		25,311		32,839,858
4.88%, 02/15/44 (Call 08/15/43)^(a)		12,157		16,061,047
5.88%, 12/16/36^(a)		44,090		63,700,562
5.95%, 04/01/41 (Call 10/01/40)^(a)		12,611		18,491,064
Lowe’s Companies Inc.
2.50%, 04/15/26 (Call 01/15/26)^(a)		28,951		30,111,831
3.10%, 05/03/27 (Call 02/03/27)^(a)		23,189		24,514,854
3.38%, 09/15/25 (Call 06/15/25)^(a)		12,473		13,499,755
3.65%, 04/05/29 (Call 01/05/29)^(a)		22,006		24,112,621
3.70%, 04/15/46 (Call 10/15/45)^(a)		21,350		22,916,315
4.05%, 05/03/47 (Call 11/03/46)		23,475		26,343,110
4.38%, 09/15/45 (Call 03/15/45)^(a)		10,820		12,551,178
4.50%, 04/15/30 (Call 01/15/30)		10,200		12,048,541


Security	Par (000)		Value

Retail (continued)
4.55%, 04/05/49 (Call 10/05/48)^(a)	$	22,506	$	27,550,749
4.65%, 04/15/42 (Call 10/15/41)^(a)		5,092		6,027,470
5.00%, 04/15/40 (Call 10/15/39)		400		494,585
McDonald’s Corp.
2.63%, 09/01/29 (Call 06/01/29)		22,230		23,136,219
3.30%, 07/01/25 (Call 06/01/25)		1,305		1,425,054
3.50%, 03/01/27 (Call 12/01/26)		15,287		16,775,783
3.50%, 07/01/27 (Call 05/01/27)		15,000		16,646,700
3.60%, 07/01/30 (Call 04/01/30)^(a)		17,275		19,491,469
3.63%, 09/01/49 (Call 03/01/49)		17,968		19,681,709
3.70%, 01/30/26 (Call 10/30/25)^(a)		32,079		35,497,014
3.80%, 04/01/28 (Call 01/01/28)^(a)		14,110		15,809,583
4.20%, 04/01/50 (Call 10/01/49)		10,650		12,623,186
4.45%, 03/01/47 (Call 09/01/46)		15,043		18,441,853
4.45%, 09/01/48 (Call 03/01/48)^(a)		14,422		17,728,210
4.70%, 12/09/35 (Call 06/09/35)^(a)		11,745		14,528,029
4.88%, 12/09/45 (Call 06/09/45)		23,114		28,893,635
6.30%, 10/15/37^(a)		11,431		15,705,401
6.30%, 03/01/38		9,588		13,225,474
RetailO’Reilly Automotive Inc., 3.60%, 09/01/27 (Call 06/01/27)^(a)		12,024		12,588,924
Starbucks Corp.
3.55%, 08/15/29 (Call 05/15/29)^(a)		12,737		13,918,945
3.80%, 08/15/25 (Call 06/15/25)^(a)		29,082		31,905,685
3.85%, 10/01/23 (Call 07/01/23)		4,813		5,169,262
4.00%, 11/15/28 (Call 08/15/28)^(a)		12,932		14,532,471
4.45%, 08/15/49 (Call 02/15/49)		15,333		18,325,292
4.50%, 11/15/48 (Call 05/15/48)		16,425		19,253,709
Target Corp.
2.25%, 04/15/25 (Call 03/15/25)		110		115,867
2.35%, 02/15/30 (Call 11/15/29)		12,140		12,707,810
2.50%, 04/15/26^(a)		14,737		15,813,806
2.65%, 09/15/30 (Call 06/15/30)		500		538,075
3.38%, 04/15/29 (Call 01/15/29)^(a)		18,399		20,788,460
3.50%, 07/01/24^(a)		11,004		12,136,561
3.63%, 04/15/46^(a)		15,573		18,673,131
3.90%, 11/15/47 (Call 05/15/47)^(a)		10,834		13,586,718
4.00%, 07/01/42^(a)		18,370		22,771,077
TJX Companies Inc. (The)
2.25%, 09/15/26 (Call 06/15/26)^(a)		12,169		12,362,570
3.50%, 04/15/25 (Call 03/15/25)		10,000		10,785,770
Walgreens Boots Alliance Inc.
3.45%, 06/01/26 (Call 03/01/26)^(a)		24,230		25,292,197
3.80%, 11/18/24 (Call 08/18/24)^(a)		23,365		24,842,196
4.80%, 11/18/44 (Call 05/18/44)^(a)		14,268		15,195,984
Walmart Inc.
2.65%, 12/15/24 (Call 10/15/24)^(a)		22,641		24,269,658
2.85%, 07/08/24 (Call 06/08/24)^(a)		17,365		18,640,954
2.95%, 09/24/49 (Call 03/24/49)^(a)		20,108		22,520,109
3.05%, 07/08/26 (Call 05/08/26)		20,806		22,967,386
3.25%, 07/08/29 (Call 04/08/29)^(a)		20,734		23,546,198
3.30%, 04/22/24 (Call 01/22/24)		21,473		23,384,655
3.40%, 06/26/23 (Call 05/26/23)^(a)		35,951		38,866,630
3.55%, 06/26/25 (Call 04/26/25)^(a)		23,703		26,511,327
3.63%, 12/15/47 (Call 06/15/47)^(a)		18,785		22,928,965
3.70%, 06/26/28 (Call 03/26/28)^(a)		42,155		48,832,765
3.95%, 06/28/38 (Call 12/28/37)		25,021		30,808,362
4.05%, 06/29/48 (Call 12/29/47)^(a)		44,041		57,475,910
5.25%, 09/01/35		29,846		42,211,517
5.63%, 04/01/40		5,675		8,343,960


Security	Par (000)		Value

Retail (continued)
5.63%, 04/15/41	$	14,699	$	21,814,786
6.20%, 04/15/38^(a)		6,484		10,008,852
6.50%, 08/15/37^(a)		10,848		16,840,933

				1,767,344,568

Semiconductors — 2.6%
Analog Devices Inc.
3.50%, 12/05/26 (Call 09/05/26)^(a)		12,002		12,868,070
3.90%, 12/15/25 (Call 09/15/25)^(a)		18,142		19,830,734
Applied Materials Inc.
3.30%, 04/01/27 (Call 01/01/27)^(a)		25,256		27,884,463
4.35%, 04/01/47 (Call 10/01/46)^(a)		11,469		14,875,390
Broadcom Corp./Broadcom Cayman Finance Ltd.
3.13%, 01/15/25 (Call 11/15/24)^(a)		16,097		16,520,419
3.50%, 01/15/28 (Call 10/15/27)^(a)		19,789		20,055,625
3.63%, 01/15/24 (Call 11/15/23)^(a)		35,163		36,617,584
3.88%, 01/15/27 (Call 10/15/26)		73,359		76,251,986
Broadcom Inc.
3.63%, 10/15/24 (Call 09/15/24)^(a)(b)		26,575		27,927,875
4.25%, 04/15/26 (Call 02/15/26)^(a)(b)		45,262		48,368,562
4.70%, 04/15/25 (Call 03/15/25)^(b)		680		749,593
4.75%, 04/15/29 (Call 01/15/29)^(a)(b)		36,045		39,493,274
5.00%, 04/15/30 (Call 01/15/30)^(b)		100		112,503
Intel Corp.
2.45%, 11/15/29 (Call 08/15/29)		30,128		31,915,521
2.60%, 05/19/26 (Call 02/19/26)^(a)		14,199		15,184,050
2.88%, 05/11/24 (Call 03/11/24)^(a)		17,511		18,713,449
3.10%, 02/15/60 (Call 08/15/59)^(a)		15,010		15,989,017
3.15%, 05/11/27 (Call 02/11/27)^(a)		11,559		12,721,994
3.25%, 11/15/49 (Call 05/15/49)		31,736		35,523,041
3.40%, 03/25/25 (Call 02/25/25)		10,000		11,057,079
3.70%, 07/29/25 (Call 04/29/25)		38,423		43,126,359
3.73%, 12/08/47 (Call 06/08/47)^(a)		34,085		40,693,052
3.75%, 03/25/27 (Call 01/25/27)		5,685		6,529,171
3.90%, 03/25/30 (Call 12/25/29)		10,200		12,107,585
4.00%, 12/15/32^(a)		10,583		12,917,996
4.10%, 05/19/46 (Call 11/19/45)		18,085		22,551,467
4.10%, 05/11/47 (Call 11/11/46)^(a)		13,917		17,498,456
4.60%, 03/25/40 (Call 09/25/39)		10,000		12,944,441
4.75%, 03/25/50 (Call 09/25/49)		35,000		49,130,035
4.80%, 10/01/41		9,207		12,272,634
4.90%, 07/29/45 (Call 01/29/45)^(a)		8,643		11,877,812
KLA Corp.
3.30%, 03/01/50 (Call 08/28/49)^(a)		18,374		17,945,575
4.10%, 03/15/29 (Call 12/15/28)^(a)		12,263		13,884,724
4.65%, 11/01/24 (Call 08/01/24)		15,820		17,555,748
Lam Research Corp.
1.90%, 06/15/30 (Call 03/15/30)		2,030		2,023,301
2.88%, 05/15/50 (Call 12/15/49)		1,920		1,914,950
3.75%, 03/15/26 (Call 01/15/26)		18,478		20,544,925
4.00%, 03/15/29 (Call 12/15/28)		9,376		10,918,432
4.88%, 03/15/49 (Call 09/15/48)		11,950		16,138,519
SemiconductorsMicrochip Technology Inc., 4.33%, 06/01/23 (Call 05/01/23)^(a)		14,878		15,391,084
Micron Technology Inc.
4.19%, 02/15/27 (Call 12/15/26)^(a)		14,991		15,943,119
4.66%, 02/15/30 (Call 11/15/29)		10,194		11,322,258
NVIDIA Corp.
2.85%, 04/01/30 (Call 01/01/30)		16,285		17,744,628
3.20%, 09/16/26 (Call 06/16/26)^(a)		15,811		17,444,313
3.50%, 04/01/40 (Call 10/01/39)		20,000		22,456,814


Security	Par (000)		Value

Semiconductors (continued)
3.50%, 04/01/50 (Call 10/01/49)	$	23,995	$	27,493,260
SemiconductorsNXP BV/NXP Funding LLC, 4.88%, 03/01/24 (Call 02/01/24)^(a)(b)		7,356		7,965,396
NXP BV/NXP Funding LLC/NXP USA Inc.
3.40%, 05/01/30 (Call 02/01/30)^(b)		675		676,424
3.88%, 06/18/26 (Call 04/18/26)^(a)(b)		10,723		11,238,262
4.30%, 06/18/29 (Call 03/18/29)^(a)(b)		16,890		18,010,359
QUALCOMM Inc.
2.90%, 05/20/24 (Call 03/20/24)		23,617		25,126,674
3.25%, 05/20/27 (Call 02/20/27)^(a)		36,108		39,306,938
3.45%, 05/20/25 (Call 02/20/25)		30,070		32,998,135
4.30%, 05/20/47 (Call 11/20/46)^(a)		22,630		27,660,941
4.65%, 05/20/35 (Call 11/20/34)^(a)		11,099		14,160,775
4.80%, 05/20/45 (Call 11/20/44)^(a)		22,834		28,971,261
Texas Instruments Inc.
2.25%, 09/04/29 (Call 06/04/29)^(a)		13,023		13,601,032
3.88%, 03/15/39 (Call 09/15/38)		14,272		17,055,584
4.15%, 05/15/48 (Call 11/15/47)^(a)		24,160		30,480,147

				1,220,282,815

Software — 4.4%
Adobe Inc.
2.15%, 02/01/27 (Call 12/01/26)		17,633		18,461,296
2.30%, 02/01/30 (Call 11/01/29)		21,348		22,470,266
3.25%, 02/01/25 (Call 11/01/24)^(a)		1,369		1,503,702
Fidelity National Information Services Inc.
3.00%, 08/15/26 (Call 05/15/26)^(a)		18,838		20,061,383
3.75%, 05/21/29 (Call 02/21/29)^(a)		15,008		16,879,945
Fiserv Inc.
2.75%, 07/01/24 (Call 06/01/24)^(a)		30,072		31,372,894
3.20%, 07/01/26 (Call 05/01/26)^(a)		30,741		32,853,248
3.50%, 07/01/29 (Call 04/01/29)^(a)		44,847		48,917,134
3.80%, 10/01/23 (Call 09/01/23)^(a)		7,595		8,209,686
3.85%, 06/01/25 (Call 03/01/25)^(a)		10,292		11,307,754
4.20%, 10/01/28 (Call 07/01/28)^(a)		16,204		18,492,742
4.40%, 07/01/49 (Call 01/01/49)^(a)		28,612		34,670,883
Microsoft Corp.
2.00%, 08/08/23 (Call 06/08/23)^(a)		23,393		24,350,190
2.38%, 05/01/23 (Call 02/01/23)^(a)		5,138		5,377,307
2.40%, 08/08/26 (Call 05/08/26)		54,347		58,588,463
2.70%, 02/12/25 (Call 11/12/24)^(a)		30,409		32,866,506
2.88%, 02/06/24 (Call 12/06/23)		34,925		37,591,667
3.13%, 11/03/25 (Call 08/03/25)^(a)		37,195		41,284,918
3.30%, 02/06/27 (Call 11/06/26)^(a)		59,558		67,258,379
3.45%, 08/08/36 (Call 02/08/36)^(a)		34,522		40,165,770
3.50%, 02/12/35 (Call 08/12/34)		23,482		28,022,503
3.50%, 11/15/42		14,970		17,560,223
3.63%, 12/15/23 (Call 09/15/23)^(a)		12,570		13,754,690
3.70%, 08/08/46 (Call 02/08/46)^(a)		56,188		68,835,672
3.75%, 02/12/45 (Call 08/12/44)^(a)		22,873		28,030,141
3.95%, 08/08/56 (Call 02/08/56)^(a)		29,784		38,656,418
4.00%, 02/12/55 (Call 08/12/54)		34,098		44,409,389
4.10%, 02/06/37 (Call 08/06/36)^(a)		37,390		46,593,507
4.20%, 11/03/35 (Call 05/03/35)^(a)		15,676		20,050,651
4.25%, 02/06/47 (Call 08/06/46)^(a)		44,503		59,257,044
4.45%, 11/03/45 (Call 05/03/45)^(a)		44,605		60,506,629
4.50%, 10/01/40		13,473		17,792,934
4.50%, 02/06/57 (Call 08/06/56)^(a)		29,274		41,826,911
4.75%, 11/03/55 (Call 05/03/55)^(a)		12,858		18,817,794
5.20%, 06/01/39^(a)		9,640		13,615,971
5.30%, 02/08/41^(a)		7,354		10,627,330


Security	Par (000)		Value

Software (continued)
Oracle Corp.
2.40%, 09/15/23 (Call 07/15/23)^(a)	$	22,840	$	23,896,060
2.50%, 04/01/25 (Call 03/01/25)		35,750		37,507,935
2.65%, 07/15/26 (Call 04/15/26)^(a)		53,935		57,379,273
2.95%, 11/15/24 (Call 09/15/24)		34,927		37,437,203
2.95%, 05/15/25 (Call 02/15/25)^(a)		37,702		40,475,574
2.95%, 04/01/30 (Call 01/01/30)^(a)		70,200		76,484,501
3.25%, 11/15/27 (Call 08/15/27)^(a)		43,091		47,460,600
3.40%, 07/08/24 (Call 04/08/24)^(a)		26,102		28,243,478
3.60%, 04/01/40 (Call 10/01/39)		40,000		45,399,440
3.60%, 04/01/50 (Call 10/01/49)		60,000		68,056,560
3.63%, 07/15/23^(a)		16,412		17,703,606
3.80%, 11/15/37 (Call 05/15/37)^(a)		26,173		29,753,074
3.85%, 07/15/36 (Call 01/15/36)		18,474		21,220,716
3.85%, 04/01/60 (Call 10/01/59)		25,000		28,916,940
3.90%, 05/15/35 (Call 11/15/34)^(a)		20,742		24,372,489
4.00%, 07/15/46 (Call 01/15/46)		43,902		51,821,526
4.00%, 11/15/47 (Call 05/15/47)^(a)		33,929		40,323,568
4.13%, 05/15/45 (Call 11/15/44)^(a)		30,236		36,150,763
4.30%, 07/08/34 (Call 01/08/34)^(a)		26,450		32,432,157
4.38%, 05/15/55 (Call 11/15/54)		14,170		17,923,514
4.50%, 07/08/44 (Call 01/08/44)^(a)		15,031		18,758,646
5.38%, 07/15/40^(a)		28,914		39,111,540
6.13%, 07/08/39		19,187		27,912,873
6.50%, 04/15/38^(a)		13,271		19,666,332
Softwaresalesforce.com Inc., 3.70%, 04/11/28 (Call 01/11/28)		25,458		29,014,974
VMware Inc.
3.90%, 08/21/27 (Call 05/21/27)^(a)		21,352		21,727,567
4.50%, 05/15/25 (Call 04/15/25)		400		422,673

				2,020,615,522

Telecommunications — 7.1%
AT&T Inc.
3.40%, 05/15/25 (Call 02/15/25)		61,754		65,141,139
3.60%, 07/15/25 (Call 04/15/25)		21,410		22,912,087
3.80%, 03/01/24 (Call 01/01/24)^(a)		8,782		9,381,036
3.80%, 02/15/27 (Call 11/15/26)^(a)		19,196		20,698,701
3.90%, 03/11/24 (Call 12/11/23)^(a)		7,232		7,745,341
3.95%, 01/15/25 (Call 10/15/24)		21,528		23,206,876
4.10%, 02/15/28 (Call 11/15/27)^(a)		37,528		41,318,973
4.13%, 02/17/26 (Call 11/17/25)		39,531		43,453,123
4.25%, 03/01/27 (Call 12/01/26)^(a)		30,677		33,833,047
4.30%, 02/15/30 (Call 11/15/29)^(a)		45,652		51,145,191
4.30%, 12/15/42 (Call 06/15/42)^(a)		28,482		30,933,377
4.35%, 03/01/29 (Call 12/01/28)^(a)		33,994		38,161,780
4.35%, 06/15/45 (Call 12/15/44)^(a)		39,628		43,413,393
4.45%, 04/01/24 (Call 01/01/24)		10,221		11,114,935
4.50%, 05/15/35 (Call 11/15/34)		40,218		44,942,650
4.50%, 03/09/48 (Call 09/09/47)^(a)		62,368		71,397,664
4.55%, 03/09/49 (Call 09/09/48)^(a)		34,878		39,948,738
4.75%, 05/15/46 (Call 11/15/45)^(a)		42,021		48,513,648
4.80%, 06/15/44 (Call 12/15/43)^(a)		37,583		43,104,127
4.85%, 03/01/39 (Call 09/01/38)^(a)		30,788		35,607,618
4.85%, 07/15/45 (Call 01/15/45)^(a)		12,006		13,925,813
4.90%, 08/15/37 (Call 02/14/37)		19,100		22,052,659
5.15%, 03/15/42^(a)		18,293		21,813,727
5.15%, 11/15/46 (Call 05/15/46)		27,559		33,102,380
5.15%, 02/15/50 (Call 08/14/49)^(a)		25,217		31,136,411
5.25%, 03/01/37 (Call 09/01/36)^(a)		46,827		55,516,321
5.35%, 09/01/40^(a)		25,205		30,289,045


Security	Par (000)		Value

Telecommunications (continued)
5.45%, 03/01/47 (Call 09/01/46)^(a)	$	28,826	$	36,552,311
5.55%, 08/15/41^(a)		15,680		19,277,497
5.65%, 02/15/47 (Call 08/15/46)^(a)		20,735		26,545,001
5.70%, 03/01/57 (Call 09/01/56)^(a)		14,289		18,617,332
6.00%, 08/15/40 (Call 05/15/40)^(a)		17,602		23,194,486
6.30%, 01/15/38^(a)		3,841		5,053,387
6.38%, 03/01/41		14,131		18,820,378
TelecommunicationsBritish Telecommunications PLC, 9.63%, 12/15/30		40,510		62,116,843
Cisco Systems Inc.
2.20%, 09/20/23 (Call 07/20/23)^(a)		6,672		6,933,637
2.50%, 09/20/26 (Call 06/20/26)^(a)		18,880		20,414,746
2.95%, 02/28/26^(a)		14,527		16,002,156
3.63%, 03/04/24^(a)		8,071		8,889,989
5.50%, 01/15/40^(a)		32,180		46,418,987
5.90%, 02/15/39		29,335		43,182,135
Corning Inc.
4.38%, 11/15/57 (Call 05/15/57)^(a)		7,502		8,199,885
5.45%, 11/15/79 (Call 05/15/79)^(a)		17,845		19,857,259
TelecommunicationsDeutsche Telekom International Finance BV, 8.75%, 06/15/30		49,485		73,200,097
TelecommunicationsMotorola Solutions Inc., 4.60%, 05/23/29 (Call 02/23/29)^(a)		11,969		13,529,218
Orange SA
5.38%, 01/13/42^(a)		12,925		17,023,847
5.50%, 02/06/44 (Call 08/06/43)^(a)		9,518		13,094,558
9.00%, 03/01/31		37,655		59,827,661
Rogers Communications Inc.
3.70%, 11/15/49 (Call 05/15/49)		17,049		18,583,456
4.10%, 10/01/23 (Call 07/01/23)^(a)		5,682		6,190,592
4.30%, 02/15/48 (Call 08/15/47)		9,967		11,698,418
4.35%, 05/01/49 (Call 11/01/48)^(a)		19,919		23,958,940
5.00%, 03/15/44 (Call 09/15/43)^(a)		13,131		16,667,747
Telefonica Emisiones SA
4.10%, 03/08/27^(a)		23,263		25,128,732
4.67%, 03/06/38		11,369		12,683,250
4.90%, 03/06/48^(a)		20,199		23,406,028
5.21%, 03/08/47^(a)		32,880		39,398,483
5.52%, 03/01/49 (Call 09/01/48)^(a)		19,259		23,882,878
7.05%, 06/20/36^(a)		27,487		38,084,871
TelecommunicationsTelefonica Europe BV, 8.25%, 09/15/30		16,216		22,418,734
TelecommunicationsTELUS Corp., 4.60%, 11/16/48 (Call 05/16/48)		13,731		16,644,018
T-Mobile USA Inc.
3.50%, 04/15/25 (Call 03/15/25)^(b)		36,355		38,506,772
3.75%, 04/15/27 (Call 02/15/27)^(b)		58,150		62,386,571
3.88%, 04/15/30 (Call 01/15/30)^(a)(b)		100,225		109,633,291
4.38%, 04/15/40 (Call 10/15/39)^(a)(b)		32,660		36,934,747
4.50%, 04/15/50 (Call 10/15/49)^(b)		39,765		46,896,634
Verizon Communications Inc.
2.63%, 08/15/26		31,237		33,181,288
3.38%, 02/15/25^(a)		37,340		40,644,131
3.50%, 11/01/24 (Call 08/01/24)		24,455		26,661,318
3.85%, 11/01/42 (Call 05/01/42)^(a)		14,977		17,565,171
3.88%, 02/08/29 (Call 11/08/28)^(a)		17,107		19,713,041
4.02%, 12/03/29 (Call 09/03/29)^(a)		53,942		62,968,029
4.13%, 03/16/27^(a)		43,852		50,808,607
4.13%, 08/15/46		17,701		21,763,289
4.27%, 01/15/36		41,863		50,167,497


Security	Par (000)		Value

Telecommunications (continued)
4.33%, 09/21/28	$	66,314	$	78,191,958
4.40%, 11/01/34 (Call 05/01/34)^(a)		38,432		46,661,898
4.50%, 08/10/33		45,975		57,336,719
4.52%, 09/15/48		61,021		80,341,933
4.67%, 03/15/55		33,709		45,371,630
4.81%, 03/15/39^(a)		24,528		31,633,767
4.86%, 08/21/46		58,092		78,474,850
5.01%, 04/15/49^(a)		34,654		48,537,099
5.01%, 08/21/54^(a)		8,903		12,827,797
5.15%, 09/15/23		25,160		28,586,918
5.25%, 03/16/37^(a)		42,223		56,265,086
5.50%, 03/16/47^(a)		19,261		27,808,930
6.55%, 09/15/43		15,509		23,279,035
Vodafone Group PLC
3.75%, 01/16/24		41,784		45,082,467
4.13%, 05/30/25^(a)		25,836		28,807,285
4.25%, 09/17/50		16,745		18,466,692
4.38%, 05/30/28^(a)		32,453		37,159,321
4.38%, 02/19/43^(a)		20,539		22,805,413
4.88%, 06/19/49		33,900		40,582,761
5.00%, 05/30/38^(a)		11,673		13,796,139
5.25%, 05/30/48^(a)		38,528		48,114,533
6.15%, 02/27/37^(a)		26,520		34,390,834

				3,291,660,808

Toys, Games & Hobbies — 0.0%
Toys, Games & HobbiesHasbro Inc., 3.90%, 11/19/29 (Call 08/19/29)		16,657		16,121,291


Transportation — 1.5%
Burlington Northern Santa Fe LLC
3.55%, 02/15/50 (Call 08/15/49)^(a)		12,557		14,220,472
3.85%, 09/01/23 (Call 06/01/23)^(a)		6,926		7,515,779
3.90%, 08/01/46 (Call 02/01/46)		10,825		12,635,906
4.05%, 06/15/48 (Call 12/15/47)		11,475		13,788,196
4.13%, 06/15/47 (Call 12/15/46)^(a)		10,943		13,293,111
4.15%, 04/01/45 (Call 10/01/44)^(a)		13,037		15,631,604
4.15%, 12/15/48 (Call 06/15/48)^(a)		11,736		14,399,105
4.45%, 03/15/43 (Call 09/15/42)^(a)		8,337		10,224,252
4.55%, 09/01/44 (Call 03/01/44)		13,743		17,161,208
4.90%, 04/01/44 (Call 10/01/43)^(a)		13,528		17,583,022
5.75%, 05/01/40 (Call 11/01/39)^(a)		14,141		19,290,803
TransportationCanadian Pacific Railway Co., 6.13%, 09/15/15 (Call 03/15/15)^(a)		11,584		17,521,933
CSX Corp.
3.25%, 06/01/27 (Call 03/01/27)^(a)		11,408		12,313,235
3.80%, 03/01/28 (Call 12/01/27)^(a)		22,914		25,555,675
3.80%, 11/01/46 (Call 05/01/46)^(a)		12,311		13,819,532
4.10%, 03/15/44 (Call 09/15/43)^(a)		7,968		9,213,683
4.25%, 03/15/29 (Call 12/15/28)^(a)		17,707		20,577,271
4.30%, 03/01/48 (Call 09/01/47)^(a)		12,315		15,049,274
FedEx Corp.
3.10%, 08/05/29 (Call 05/05/29)^(a)		17,388		17,631,627
3.25%, 04/01/26 (Call 01/01/26)^(a)		17,532		18,090,229
4.00%, 01/15/24^(a)		11,959		12,796,236
4.05%, 02/15/48 (Call 08/15/47)		17,048		16,840,657
4.25%, 05/15/30 (Call 02/15/30)		10,200		11,155,213
4.40%, 01/15/47 (Call 07/15/46)		10,195		10,534,168
4.55%, 04/01/46 (Call 10/01/45)		17,134		18,304,191
4.75%, 11/15/45 (Call 05/15/45)		14,485		15,744,390
4.95%, 10/17/48 (Call 04/17/48)		17,302		19,508,552


Security	Par/ Shares (000)		Value

Transportation (continued)
5.10%, 01/15/44	$	8,889	$	10,023,231
5.25%, 05/15/50 (Call 11/15/49)		10,500		12,625,765
Norfolk Southern Corp.
3.05%, 05/15/50 (Call 11/15/49)		5,005		4,993,238
5.10%, 08/01/18 (Call 02/01/18)		12,047		15,190,062
Union Pacific Corp.
2.40%, 02/05/30 (Call 11/05/29)		17,765		18,211,925
3.25%, 02/05/50 (Call 08/05/49)^(a)		19,064		19,828,722
3.70%, 03/01/29 (Call 12/01/28)^(a)		14,109		15,821,201
3.75%, 02/05/70 (Call 08/05/69)		13,023		13,945,728
3.80%, 10/01/51 (Call 04/01/51)		8,008		9,074,826
3.95%, 09/10/28 (Call 06/10/28)^(a)		24,718		28,249,129
4.30%, 03/01/49 (Call 09/01/48)		10,547		12,798,634
4.38%, 09/10/38 (Call 03/10/38)		19,426		22,804,286
United Parcel Service Inc.
3.05%, 11/15/27 (Call 08/15/27)^(a)		12,771		13,818,717
3.40%, 03/15/29 (Call 12/15/28)^(a)		19,128		21,201,314
3.75%, 11/15/47 (Call 05/15/47)^(a)		16,562		19,251,258
4.25%, 03/15/49 (Call 09/15/48)^(a)		7,616		9,561,851
4.45%, 04/01/30 (Call 01/01/30)		10,200		12,361,590
5.30%, 04/01/50 (Call 10/01/49)		10,000		14,276,819
6.20%, 01/15/38^(a)		19,270		28,000,447

				712,438,067

Water — 0.0%
American Water Capital Corp.
3.75%, 09/01/47 (Call 03/01/47)		14,853		16,971,194
6.59%, 10/15/37^(a)		3,057		4,433,799

				21,404,993


Total Corporate Bonds & Notes — 98.4% (Cost: $43,162,466,191)				45,487,309,830


Short-Term Investments

Money Market Funds — 6.0%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.89%^(d)(e)(f)		2,100,777		2,103,087,990


Security	Shares/ Par (000)			Value

Money Market Funds (continued)
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(d)(e)		687,684		$	687,684,000

					2,790,771,990


Total Short-Term Investments — 6.0% (Cost: $2,788,397,530)					2,790,771,990


Total Investments Before Investments Sold Short — 104.4% (Cost: $45,950,863,721)					48,278,081,820


Investments Sold Short

Corporate Bonds & Notes — (0.0)%
Macy’s Retail Holdings Inc., 2.88%, 02/15/23		(2	)		(1,416	)


Total Corporate Bonds & Notes (Proceeds $(2,164))					(1,416	)


Total Investments Sold Short — (0.0)% (Proceeds $2,164)					(1,416	)


Total Investments, Net of Investments Sold Short — 104.4% (Cost: $45,950,861,557)					48,278,080,404

Other Assets, Less Liabilities — (4.4)%					(2,041,057,259	)


Net Assets — 100.0%				$	46,237,023,145

^(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 issued at a fixed coupon rate, which converts to a variable rate at a specified date.

^(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.


Security	Par (000)		Value

Corporate Bonds & Notes

Advertising — 0.5%
Lamar Media Corp.
3.75%, 02/15/28 (Call 02/15/23)^(a)	$	3,850	$	3,838,450
4.00%, 02/15/30 (Call 02/15/25)^(a)		2,695		2,695,000
5.00%, 05/01/23 (Call 05/01/20)		8,472		8,535,540
5.75%, 02/01/26 (Call 02/01/21)^(b)		14,590		15,210,075
Outfront Media Capital LLC/Outfront Media Capital Corp.
4.63%, 03/15/30 (Call 03/15/25)^(a)		7,246		7,278,752
5.00%, 08/15/27 (Call 08/15/22)^(a)(b)		9,833		10,140,281
5.63%, 02/15/24 (Call 02/15/21)^(b)		6,289		6,401,686
Terrier Media Buyer Inc., 8.88%, 12/15/27 (Call 12/15/22)^(a)		16,084		15,963,370

				70,063,154

Aerospace & Defense — 2.8%
Arconic Inc.
5.13%, 10/01/24 (Call 07/01/24)^(b)		18,269		19,628,214
5.40%, 04/15/21 (Call 01/15/21)		17,065		17,335,758
5.87%, 02/23/22^(b)		7,659		8,068,278
Bombardier Inc.
5.75%, 03/15/22^(a)(b)		5,969		6,103,951
6.00%, 10/15/22 (Call 04/15/20)^(a)(b)		17,708		17,398,110
6.13%, 01/15/23^(a)(b)		19,244		19,485,091
7.50%, 12/01/24 (Call 12/01/20)^(a)(b)		14,353		14,532,413
7.50%, 03/15/25 (Call 03/15/20)^(a)(b)		22,291		22,012,362
7.88%, 04/15/27 (Call 04/15/22)^(a)		30,167		29,940,747
8.75%, 12/01/21^(a)(b)		14,179		15,175,950
Signature Aviation U.S. Holdings Inc.
4.00%, 03/01/28 (Call 03/01/23)^(a)		9,401		9,196,716
5.38%, 05/01/26 (Call 05/01/21)^(a)(b)		6,608		6,756,680
SSL Robotics LLC, 9.75%, 12/31/23 (Call 12/15/21)^(a)		14,907		16,014,441
TransDigm Inc.
5.50%, 11/15/27 (Call 11/15/22)^(a)(b)		40,376		40,325,530
6.25%, 03/15/26 (Call 03/15/22)^(a)		62,470		66,296,287
6.38%, 06/15/26 (Call 06/15/21)^(b)		12,539		12,868,149
6.50%, 07/15/24 (Call 07/15/20)^(b)		16,304		16,670,840
6.50%, 05/15/25 (Call 05/15/20)^(b)		10,558		10,854,944
7.50%, 03/15/27 (Call 03/15/22)		6,744		7,098,060
TransDigm UK Holdings PLC, 6.88%, 05/15/26 (Call 05/15/21)^(b)		6,719		7,054,950
Triumph Group Inc.
6.25%, 09/15/24 (Call 09/15/20)^(a)(b)		5,985		6,216,919
7.75%, 08/15/25 (Call 08/15/20)^(b)		8,382		8,298,180

				377,332,570

Agriculture — 0.4%
JBS Investments GmbH, 6.25%, 02/05/23 (Call 02/05/21)^(a)		6,595		6,657,653
JBS Investments II GmbH
5.75%, 01/15/28 (Call 07/30/22)^(a)		10,330		10,794,850
7.00%, 01/15/26 (Call 01/15/22)^(a)(b)		15,281		16,312,467
Vector Group Ltd.
6.13%, 02/01/25 (Call 02/01/21)^(a)		12,751		12,313,003
10.50%, 11/01/26 (Call 11/01/21)^(a)		9,206		9,182,985

				55,260,958

Airlines — 0.2%
Air Canada, 7.75%, 04/15/21^(a)(b)		4,475		4,692,843
American Airlines Group Inc.
3.75%, 03/01/25^(a)		9,655		8,858,463
5.00%, 06/01/22^(a)(b)		8,765		8,809,219


Security	Par (000)		Value

Airlines (continued)
United Airlines Holdings Inc., 4.25%, 10/01/22^(b)	$	5,078	$	5,078,000

				27,438,525

Apparel — 0.2%
Hanesbrands Inc.
4.63%, 05/15/24 (Call 02/15/24)^(a)		12,563		13,128,335
4.88%, 05/15/26 (Call 02/15/26)^(a)(b)		13,128		13,751,580

				26,879,915

Auto Manufacturers — 0.8%
Allison Transmission Inc.
4.75%, 10/01/27 (Call 10/01/22)^(a)(b)		5,319		5,458,624
5.00%, 10/01/24 (Call 10/01/20)^(a)(b)		13,535		13,682,667
5.88%, 06/01/29 (Call 06/01/24)^(a)(b)		7,527		8,157,386
Fiat Chrysler Automobiles NV, 5.25%, 04/15/23^(b)		23,480		24,648,952
Jaguar Land Rover Automotive PLC
4.50%, 10/01/27 (Call 07/01/27)^(a)(b)		7,858		6,506,806
5.63%, 02/01/23 (Call 02/01/21)^(a)(b)		7,097		6,890,534
Navistar International Corp., 6.63%, 11/01/25 (Call 11/01/20)^(a)		15,500		16,081,250
Tesla Inc., 5.30%, 08/15/25 (Call 08/15/20)^(a)(b)		27,367		27,024,912

				108,451,131

Auto Parts & Equipment — 1.1%
Adient Global Holdings Ltd., 4.88%, 08/15/26 (Call 08/15/21)^(a)(b)		14,359		12,384,586
Adient U.S.LLC, 7.00%, 05/15/26 (Call 05/15/22)^(a)(b)		9,563		9,945,582
American Axle & Manufacturing Inc.
6.25%, 04/01/25 (Call 04/01/20)^(b)		10,067		9,801,614
6.25%, 03/15/26 (Call 03/15/21)^(b)		5,681		5,443,818
6.50%, 04/01/27 (Call 04/01/22)		8,090		7,766,400
6.63%, 10/15/22 (Call 10/15/20)		4,019		4,054,166
Dana Financing Luxembourg Sarl, 5.75%, 04/15/25 (Call 04/15/20)^(a)(b)		4,962		5,105,495
Dana Inc., 5.50%, 12/15/24 (Call 12/15/20)^(b)		5,373		5,503,967
Goodyear Tire & Rubber Co. (The)
4.88%, 03/15/27 (Call 12/15/26)^(b)		12,239		11,839,274
5.00%, 05/31/26 (Call 05/31/21)^(b)		11,528		11,344,273
5.13%, 11/15/23 (Call 11/15/20)^(b)		14,148		14,096,439
Panther BF Aggregator 2 LP/Panther Finance Co. Inc.
6.25%, 05/15/26 (Call 05/15/22)^(a)		13,190		13,616,191
8.50%, 05/15/27 (Call 05/15/22)^(a)(b)		30,043		30,520,870

				141,422,675

Banks — 1.2%
CIT Group Inc.
4.13%, 03/09/21 (Call 02/09/21)		6,854		6,914,635
4.75%, 02/16/24 (Call 11/16/23)		7,352		7,811,500
5.00%, 08/15/22		17,551		18,383,664
5.00%, 08/01/23^(b)		10,681		11,371,927
5.25%, 03/07/25 (Call 12/07/24)^(b)		7,020		7,704,450
6.13%, 03/09/28^(b)		6,303		7,563,600
Deutsche Bank AG, 4.30%, 05/24/28 (Call 05/24/23)^(b)(c)		23,284		22,458,119
Deutsche Bank AG/New York NY, 4.88%, 12/01/32 (Call 12/01/27)^(c)		15,182		14,462,285
Fifth Third Bancorp., 5.10%, (Call 06/30/23)^(b)(c)(d)		8,294		8,193,781
Freedom Mortgage Corp.
8.13%, 11/15/24 (Call 11/15/20)^(a)		5,730		5,393,363
8.25%, 04/15/25 (Call 04/15/21)^(a)		11,037		10,693,289
Intesa Sanpaolo SpA, 5.02%, 06/26/24^(a)		31,659		33,186,249

				154,136,862


Security	Par (000)		Value

Building Materials — 0.6%
Builders FirstSource Inc.
5.00%, 03/01/30 (Call 03/01/25)^(a)	$	5,470	$	5,472,626
6.75%, 06/01/27 (Call 06/01/22)^(a)(b)		474		510,735
Griffon Corp., 5.75%, 03/01/28 (Call 03/01/23)^(a)		8,720		8,798,436
Standard Industries Inc./NJ
4.75%, 01/15/28 (Call 01/15/23)^(a)(b)		16,370		16,847,857
5.00%, 02/15/27 (Call 02/15/22)^(a)(b)		5,467		5,651,511
5.38%, 11/15/24 (Call 11/15/20)^(a)		14,558		14,827,869
5.50%, 02/15/23 (Call 02/15/21)^(a)(b)		473		478,912
6.00%, 10/15/25 (Call 10/15/20)^(a)(b)		14,748		15,411,660
Summit Materials LLC/Summit Materials Finance Corp., 6.13%, 07/15/23 (Call 07/15/20)		9,440		9,522,600

				77,522,206

Chemicals — 1.4%
Ashland LLC, 4.75%, 08/15/22 (Call 05/15/22)^(b)		2,385		2,492,325
Blue Cube Spinco LLC
9.75%, 10/15/23 (Call 10/15/20)		9,523		10,073,632
10.00%, 10/15/25 (Call 10/15/20)		7,916		8,587,673
CF Industries Inc., 3.45%, 06/01/23^(b)		8,851		8,961,638
Chemours Co. (The)
5.38%, 05/15/27 (Call 02/15/27)^(b)		7,269		6,277,827
6.63%, 05/15/23 (Call 05/15/20)		14,546		14,068,891
7.00%, 05/15/25 (Call 05/15/20)^(b)		10,682		9,960,965
NOVA Chemicals Corp.
4.88%, 06/01/24 (Call 03/03/24)^(a)(b)		14,334		13,738,243
5.00%, 05/01/25 (Call 01/31/25)^(a)		7,479		7,304,926
5.25%, 08/01/23 (Call 08/01/20)^(a)		6,399		6,462,990
5.25%, 06/01/27 (Call 03/03/27)^(a)		16,877		16,328,498
OCI NV
5.25%, 11/01/24 (Call 11/01/21)^(a)(b)		10,865		10,989,494
6.63%, 04/15/23 (Call 04/15/20)^(a)(b)		7,381		7,577,707
Olin Corp.
5.00%, 02/01/30 (Call 02/01/24)^(b)		7,519		7,293,430
5.13%, 09/15/27 (Call 03/15/22)^(b)		6,404		6,546,089
5.63%, 08/01/29 (Call 08/01/24)^(b)		12,915		13,108,725
Tronox Finance PLC, 5.75%, 10/01/25 (Call 10/01/20)^(a)(b)		5,752		5,456,395
Tronox Inc., 6.50%, 04/15/26 (Call 04/15/21)^(a)(b)		8,924		8,544,730
Valvoline Inc., 4.25%, 02/15/30 (Call 02/15/25)^(a)		9,285		9,157,331
WR Grace &Co.-Conn, 5.13%, 10/01/21^(a)(b)		9,772		10,028,515

				182,960,024

Coal — 0.0%
Peabody Energy Corp.
6.00%, 03/31/22 (Call 03/31/20)^(a)		67		57,117
6.38%, 03/31/25 (Call 03/31/20)^(a)		91		62,763

				119,880

Commercial Services — 4.2%
ADT Security Corp. (The)
3.50%, 07/15/22^(b)		13,327		13,320,744
4.13%, 06/15/23^(b)		11,584		11,795,408
6.25%, 10/15/21^(b)		13,185		13,774,128
Allied Universal Holdco LLC/Allied Universal Finance Corp.
6.63%, 07/15/26 (Call 07/15/22)^(a)(b)		22,334		23,422,782
9.75%, 07/15/27 (Call 07/15/22)^(a)		15,313		16,336,164
APX Group Inc.
6.75%, 02/15/27 (Call 02/15/23)^(a)		3,910		3,787,813
7.63%, 09/01/23 (Call 09/01/20)^(b)		9,185		8,748,713
7.88%, 12/01/22 (Call 12/01/20)		17,406		17,619,224


Security	Par (000)		Value

Commercial Services (continued)
8.75%, 12/01/20 (Call 03/13/20)	$	264	$	264,469
Avis Budget Car Rental LLC/Avis Budget Finance Inc., 5.75%, 07/15/27 (Call 07/15/22)^(a)(b)		6,219		6,219,000
Garda World Security Corp., 4.63%, 02/15/27 (Call 02/15/23)^(a)		8,450		8,344,375
GW B-CR Security Corp., 9.50%, 11/01/27 (Call 11/01/22)^(a)(b)		7,500		7,931,250
Herc Holdings Inc., 5.50%, 07/15/27 (Call 07/15/22)^(a)(b)		17,793		18,469,490
Hertz Corp. (The)
5.50%, 10/15/24 (Call 10/15/20)^(a)(b)		11,636		11,191,578
6.00%, 01/15/28 (Call 01/15/23)^(a)(b)		14,817		13,724,246
6.25%, 10/15/22 (Call 10/15/20)		6,008		5,870,947
7.13%, 08/01/26 (Call 08/01/22)^(a)(b)		7,149		7,078,868
Jaguar Holding Co. II/Pharmaceutical Product Development LLC, 6.38%, 08/01/23 (Call 08/01/20)^(a)(b)		20,134		20,762,181
MPH Acquisition Holdings LLC, 7.13%, 06/01/24 (Call 06/01/20)^(a)(b)		24,611		22,893,644
Nielsen Co Luxembourg SARL/The
5.00%, 02/01/25 (Call 02/01/21)^(a)(b)		7,518		7,499,205
5.50%, 10/01/21 (Call 03/30/20)^(a)		7,851		7,836,279
Nielsen Finance LLC/Nielsen Finance Co., 5.00%, 04/15/22 (Call 04/15/20)^(a)(b)		35,417		35,339,083
Prime Security Services Borrower LLC/Prime Finance Inc.
5.25%, 04/15/24^(a)(b)		11,869		12,251,033
5.75%, 04/15/26^(a)(b)		19,070		19,832,800
6.25%, 01/15/28 (Call 01/15/23)^(a)		21,688		21,043,866
Refinitiv U.S. Holdings Inc.
6.25%, 05/15/26 (Call 11/15/21)^(a)		18,130		19,489,750
8.25%, 11/15/26 (Call 11/15/21)^(a)		21,871		24,085,439
Service Corp. International/U.S.
4.63%, 12/15/27 (Call 12/15/22)^(b)		7,518		7,836,168
5.13%, 06/01/29 (Call 06/01/24)^(b)		10,907		11,793,194
5.38%, 05/15/24 (Call 05/15/20)^(b)		10,647		10,846,631
ServiceMaster Co. LLC (The), 5.13%, 11/15/24 (Call 11/15/20)^(a)		10,085		10,400,156
United Rentals North America Inc.
3.88%, 11/15/27 (Call 11/15/22)		11,250		11,348,438
4.00%, 07/15/30 (Call 07/15/25)		12,415		12,118,902
4.63%, 10/15/25 (Call 10/15/20)		10,907		11,084,239
4.88%, 01/15/28 (Call 01/15/23)^(b)		24,609		25,394,027
5.25%, 01/15/30 (Call 01/15/25)^(b)		10,872		11,489,722
5.50%, 07/15/25 (Call 07/15/20)		10,478		10,829,602
5.50%, 05/15/27 (Call 05/15/22)^(b)		13,324		13,923,580
5.88%, 09/15/26 (Call 09/15/21)^(b)		14,456		15,251,080
6.50%, 12/15/26 (Call 12/15/21)		14,887		15,916,685
Verscend Escrow Corp., 9.75%, 08/15/26 (Call 08/15/21)^(a)(b)		18,227		19,867,430

				567,032,333

Computers — 1.4%
Banff Merger Sub Inc., 9.75%, 09/01/26 (Call 09/01/21)^(a)(b)		22,936		23,057,847
Dell Inc., 4.63%, 04/01/21		4,375		4,419,844
Dell International LLC/EMC Corp.
5.88%, 06/15/21 (Call 06/15/20)^(a)		13,872		13,958,700
7.13%, 06/15/24 (Call 06/15/20)^(a)(b)		24,832		26,011,520
EMC Corp., 3.38%, 06/01/23 (Call 03/01/23)^(b)		15,162		15,224,543


Security	Par (000)		Value

Computers (continued)
Exela Intermediate LLC/Exela Finance Inc., 10.00%, 07/15/23 (Call 07/15/20)^(a)(b)	$	14,676	$	4,768,111
NCR Corp.
5.00%, 07/15/22 (Call 07/15/20)^(b)		7,581		7,618,905
5.75%, 09/01/27 (Call 09/01/22)^(a)		6,747		7,106,502
6.13%, 09/01/29 (Call 09/01/24)^(a)(b)		7,501		8,140,835
6.38%, 12/15/23 (Call 12/15/20)^(b)		9,141		9,311,242
Vericast Corp.
8.38%, 08/15/22 (Call 02/15/21)^(a)		14,730		12,281,138
9.25%, 03/01/21 (Call 03/01/20)^(a)(b)		12,271		12,166,185
Western Digital Corp., 4.75%, 02/15/26 (Call 11/15/25)^(b)		36,088		37,260,860

				181,326,232

Cosmetics & Personal Care — 0.2%
Avon International Capital PLC, 6.50%, 08/15/22 (Call 08/15/20)^(a)(b)		5,303		5,437,000
Avon International Operations Inc., 7.88%, 08/15/22 (Call 08/15/20)^(a)(b)		5,471		5,603,190
Avon Products Inc., 7.00%, 03/15/23		7,276		7,785,320
Edgewell Personal Care Co.
4.70%, 05/19/21^(b)		6,469		6,566,035
4.70%, 05/24/22^(b)		6,589		6,739,756

				32,131,301

Distribution & Wholesale — 0.5%
American Builders & Contractors Supply Co. Inc.
4.00%, 01/15/28 (Call 01/15/23)^(a)(b)		11,297		11,028,696
5.88%, 05/15/26 (Call 05/15/21)^(a)(b)		7,967		8,255,804
Anixter Inc., 5.13%, 10/01/21		3,857		4,010,748
Performance Food Group Inc., 5.50%, 10/15/27 (Call 10/15/22)^(a)(b)		16,559		17,469,745
Wolverine Escrow LLC
8.50%, 11/15/24 (Call 11/15/21)^(a)		8,245		8,040,524
9.00%, 11/15/26 (Call 11/15/22)^(a)		13,059		13,026,352
13.13%, 11/15/27 (Call 11/15/22)^(a)(b)		8,645		9,110,017

				70,941,886

Diversified Financial Services — 2.6%
AerCap Holdings NV, 5.88%, 10/10/79 (Call 10/10/24)^(b)(c)		11,324		11,493,860
Ally Financial Inc.
5.13%, 09/30/24		354		391,549
5.75%, 11/20/25 (Call 10/20/25)^(b)		14,012		15,769,197
Credit Acceptance Corp.
5.13%, 12/31/24 (Call 12/31/21)^(a)		4,930		5,129,345
6.63%, 03/15/26 (Call 03/15/22)^(a)		5,662		5,952,192
LPL Holdings Inc.
4.63%, 11/15/27 (Call 11/15/22)^(a)(b)		6,412		6,486,828
5.75%, 09/15/25 (Call 03/15/20)^(a)(b)		2,140		2,222,256
Nationstar Mortgage Holdings Inc.
6.00%, 01/15/27 (Call 01/15/23)^(a)(b)		10,105		10,265,467
8.13%, 07/15/23 (Call 07/15/20)^(a)		14,039		14,645,935
9.13%, 07/15/26 (Call 07/15/21)^(a)		9,913		10,727,766
Navient Corp.
5.00%, 03/15/27 (Call 09/15/26)^(b)		11,841		11,467,416
5.50%, 01/25/23		15,686		16,097,758
5.88%, 10/25/24^(b)		7,424		7,618,954
6.13%, 03/25/24^(b)		12,541		12,981,189
6.50%, 06/15/22		14,688		15,348,960
6.75%, 06/25/25^(b)		7,580		8,067,963
6.75%, 06/15/26^(b)		7,806		8,277,326


Security	Par (000)		Value

Diversified Financial Services (continued)
7.25%, 01/25/22^(b)	$	11,438	$	12,067,090
7.25%, 09/25/23^(b)		7,718		8,345,088
Quicken Loans Inc.
5.25%, 01/15/28 (Call 01/15/23)^(a)(b)		14,494		14,965,055
5.75%, 05/01/25 (Call 05/01/20)^(a)(b)		18,203		18,680,829
Springleaf Finance Corp.
5.38%, 11/15/29 (Call 05/15/29)^(b)		11,144		11,394,740
5.63%, 03/15/23		12,357		12,982,573
6.13%, 05/15/22^(b)		14,625		15,487,205
6.13%, 03/15/24 (Call 09/15/23)^(b)		18,051		19,053,237
6.63%, 01/15/28 (Call 07/15/27)^(b)		11,941		13,110,223
6.88%, 03/15/25^(b)		18,672		20,612,954
7.13%, 03/15/26^(b)		24,237		26,903,070
7.75%, 10/01/21		7,509		8,013,434
8.25%, 12/15/20		492		511,688

				345,071,147

Electric — 2.5%
AES Corp./VA
4.00%, 03/15/21		9,169		9,214,845
4.50%, 03/15/23 (Call 03/15/20)^(b)		7,937		7,921,126
4.88%, 05/15/23 (Call 05/15/20)^(b)		9,803		9,747,858
5.13%, 09/01/27 (Call 09/01/22)^(b)		8,955		9,302,006
5.50%, 04/15/25 (Call 04/15/20)^(b)		9,010		9,216,509
6.00%, 05/15/26 (Call 05/15/21)^(b)		11,136		11,567,680
Calpine Corp.
4.50%, 02/15/28 (Call 02/15/23)^(a)(b)		17,430		16,690,724
5.13%, 03/15/28 (Call 03/15/23)^(a)		22,195		20,929,308
5.25%, 06/01/26 (Call 06/01/21)^(a)		18,799		18,953,505
5.50%, 02/01/24 (Call 02/01/21)^(b)		7,482		7,449,266
5.75%, 01/15/25 (Call 10/15/20)^(b)		17,704		17,740,293
Clearway Energy Operating LLC
4.75%, 03/15/28 (Call 03/15/23)^(a)(b)		8,645		8,850,319
5.75%, 10/15/25 (Call 10/15/21)^(b)		7,991		8,250,708
NextEra Energy Operating Partners LP
3.88%, 10/15/26 (Call 07/15/26)^(a)		7,731		7,801,159
4.25%, 07/15/24 (Call 04/15/24)^(a)		9,898		10,098,435
4.25%, 09/15/24 (Call 07/15/24)^(a)(b)		8,293		8,369,296
4.50%, 09/15/27 (Call 06/15/27)^(a)(b)		8,030		8,372,560
NRG Energy Inc.
5.25%, 06/15/29 (Call 06/15/24)^(a)(b)		11,204		11,568,130
5.75%, 01/15/28 (Call 01/15/23)^(b)		11,382		11,794,598
6.63%, 01/15/27 (Call 07/15/21)^(b)		18,191		18,966,300
7.25%, 05/15/26 (Call 05/15/21)^(b)		15,681		16,602,259
Talen Energy Supply LLC
6.50%, 06/01/25 (Call 06/01/20)		8,965		6,876,155
6.63%, 01/15/28 (Call 01/15/23)^(a)(b)		4,871		4,688,198
7.25%, 05/15/27 (Call 05/15/22)^(a)(b)		11,105		11,118,881
10.50%, 01/15/26 (Call 01/15/22)^(a)(b)		11,308		9,876,831
Vistra Energy Corp., 5.88%, 06/01/23 (Call 06/01/20)		6,232		6,285,221
Vistra Operations Co. LLC
5.00%, 07/31/27 (Call 07/31/22)^(a)(b)		20,284		20,538,225
5.50%, 09/01/26 (Call 09/01/21)^(a)		13,351		13,542,921
5.63%, 02/15/27 (Call 02/15/22)^(a)(b)		17,709		18,151,725

				340,485,041

Electrical Components & Equipment — 0.2%
Energizer Holdings Inc.
5.50%, 06/15/25 (Call 06/15/20)^(a)(b)		6,905		7,055,934
6.38%, 07/15/26 (Call 07/15/21)^(a)(b)		7,285		7,556,730


Security	Par (000)		Value

Electrical Components & Equipment (continued)
7.75%, 01/15/27 (Call 01/15/22)^(a)(b)	$	8,680	$	9,439,500

				24,052,164

Electronics — 0.2%
Sensata Technologies BV
4.88%, 10/15/23^(a)		7,470		7,936,875
5.00%, 10/01/25^(a)		10,303		10,869,665
5.63%, 11/01/24^(a)(b)		5,959		6,480,413
Sensata Technologies Inc., 4.38%, 02/15/30^(a)		6,502		6,468,623

				31,755,576

Energy – Alternate Sources — 0.2%
TerraForm Power Operating LLC
4.25%, 01/31/23 (Call 10/31/22)^(a)		5,235		5,333,156
4.75%, 01/15/30 (Call 01/15/25)^(a)		10,941		11,310,259
5.00%, 01/31/28 (Call 07/31/27)^(a)(b)		10,635		11,459,213

				28,102,628

Engineering & Construction — 0.3%
AECOM
5.13%, 03/15/27 (Call 12/15/26)		15,286		16,050,300
5.88%, 10/15/24 (Call 07/15/24)^(b)		11,782		12,858,698
Brand Industrial Services Inc., 8.50%, 07/15/25 (Call 07/15/20)^(a)(b)		15,326		14,885,378

				43,794,376

Entertainment — 2.1%
AMC Entertainment Holdings Inc.
5.75%, 06/15/25 (Call 06/15/20)^(b)		9,046		7,372,490
5.88%, 11/15/26 (Call 11/15/21)^(b)		9,076		7,255,127
6.13%, 05/15/27 (Call 05/15/22)^(b)		7,654		6,052,439
Caesars Resort Collection LLC/CRC Finco Inc., 5.25%, 10/15/25 (Call 10/15/20)^(a)(b)		26,860		26,658,550
Cedar Fair LP, 5.25%, 07/15/29 (Call 07/15/24)^(a)(b)		7,570		7,570,000
Cedar Fair LP/Canada’s Wonderland Co./Magnum Management Corp./Millennium Op, 5.38%, 04/15/27 (Call 04/15/22)^(b)		7,103		7,253,939
Churchill Downs Inc.
4.75%, 01/15/28 (Call 01/15/23)^(a)(b)		6,489		6,489,000
5.50%, 04/01/27 (Call 04/01/22)^(a)(b)		8,913		9,244,564
Cinemark USA Inc.
4.88%, 06/01/23 (Call 06/01/20)^(b)		9,139		9,104,729
5.13%, 12/15/22 (Call 12/15/20)^(b)		5,063		5,088,315
Eldorado Resorts Inc.
6.00%, 04/01/25 (Call 04/01/20)^(b)		12,820		13,396,900
6.00%, 09/15/26 (Call 09/15/21)		8,429		9,139,446
International Game Technology PLC
6.25%, 02/15/22 (Call 08/15/21)^(a)		22,658		23,323,465
6.25%, 01/15/27 (Call 07/15/26)^(a)(b)		10,649		11,617,127
6.50%, 02/15/25 (Call 08/15/24)^(a)		17,476		18,939,615
Lions Gate Capital Holdings LLC
5.88%, 11/01/24 (Call 11/01/20)^(a)(b)		7,813		7,576,266
6.38%, 02/01/24 (Call 02/01/21)^(a)(b)		8,130		8,015,855
Live Nation Entertainment Inc., 4.75%, 10/15/27 (Call 10/15/22)^(a)(b)		13,908		13,977,540
Scientific Games International Inc.
5.00%, 10/15/25 (Call 10/15/20)^(a)		16,868		16,910,170
7.00%, 05/15/28 (Call 05/15/23)^(a)(b)		10,697		10,429,575
7.25%, 11/15/29 (Call 11/15/24)^(a)(b)		8,973		8,703,810
8.25%, 03/15/26 (Call 03/15/22)^(a)(b)		15,969		16,403,357
Six Flags Entertainment Corp.
4.88%, 07/31/24 (Call 07/31/20)^(a)		13,727		13,624,047
5.50%, 04/15/27 (Call 04/15/22)^(a)(b)		8,176		7,887,387


Security	Par (000)		Value

Entertainment (continued)
Stars Group Holdings BV/Stars Group US Co-Borrower LLC, 7.00%, 07/15/26 (Call 07/15/21)^(a)(b)	$	14,059	$	15,113,425

				287,147,138

Environmental Control — 0.4%
Covanta Holding Corp.
5.88%, 03/01/24 (Call 03/01/20)		5,507		5,579,279
5.88%, 07/01/25 (Call 07/01/20)^(b)		6,343		6,509,504
6.00%, 01/01/27 (Call 01/01/22)^(b)		6,221		6,296,170
GFL Environmental Inc.
5.13%, 12/15/26 (Call 12/15/22)^(a)(b)		7,080		7,327,800
5.38%, 03/01/23 (Call 03/01/20)^(a)		6,500		6,645,031
7.00%, 06/01/26 (Call 06/01/21)^(a)(b)		9,568		10,058,360
8.50%, 05/01/27 (Call 05/01/22)^(a)(b)		8,244		8,942,267

				51,358,411

Food — 2.8%
Albertsons Companies Inc./Safeway Inc./New Albertsons LP/Albertsons LLC
3.50%, 02/15/23 (Call 12/15/22)^(a)(b)		7,535		7,519,779
4.63%, 01/15/27 (Call 01/15/22)^(a)(b)		17,448		17,208,090
4.88%, 02/15/30 (Call 02/15/25)^(a)(b)		15,495		15,521,633
5.75%, 03/15/25 (Call 09/15/20)		25,280		26,196,400
5.88%, 02/15/28 (Call 08/15/22)^(a)(b)		11,750		12,241,150
6.63%, 06/15/24 (Call 06/15/20)		18,843		19,421,636
7.50%, 03/15/26 (Call 03/15/22)^(a)(b)		11,403		12,628,823
B&G Foods Inc.
5.25%, 04/01/25 (Call 04/01/20)^(b)		12,551		12,411,408
5.25%, 09/15/27 (Call 03/01/22)^(b)		8,757		8,559,968
JBS USA LUX SA/JBS USA Finance Inc.
5.75%, 06/15/25 (Call 06/15/20)^(a)(b)		15,866		16,282,482
5.88%, 07/15/24 (Call 07/15/20)^(a)		12,299		12,540,053
6.75%, 02/15/28 (Call 02/15/23)^(a)(b)		12,694		13,779,337
JBS USA LUX SA/JBS USA Food Co./JBS USA Finance Inc.
5.50%, 01/15/30 (Call 01/15/25)^(a)(b)		18,489		19,598,340
6.50%, 04/15/29 (Call 04/15/24)^(a)(b)		20,834		22,650,725
Lamb Weston Holdings Inc.
4.63%, 11/01/24 (Call 11/01/21)^(a)(b)		12,088		12,571,520
4.88%, 11/01/26 (Call 11/01/21)^(a)(b)		10,708		11,109,550
Pilgrim’s Pride Corp.
5.75%, 03/15/25 (Call 03/15/20)^(a)(b)		14,821		15,070,993
5.88%, 09/30/27 (Call 09/30/22)^(a)(b)		12,856		13,338,100
Post Holdings Inc.
4.63%, 04/15/30 (Call 04/15/25)^(a)		10,950		10,781,918
5.00%, 08/15/26 (Call 08/15/21)^(a)		26,780		27,288,820
5.50%, 03/01/25 (Call 03/01/20)^(a)(b)		20,169		20,999,660
5.50%, 12/15/29 (Call 12/15/24)^(a)		15,052		15,616,450
5.63%, 01/15/28 (Call 12/01/22)^(a)(b)		13,791		14,340,985
5.75%, 03/01/27 (Call 03/01/22)^(a)(b)		23,246		24,202,805

				381,880,625

Food Service — 0.2%
Aramark Services Inc.
4.75%, 06/01/26 (Call 06/01/21)^(b)		5,147		5,303,366
5.00%, 04/01/25 (Call 04/01/20)^(a)(b)		8,626		8,901,853
5.00%, 02/01/28 (Call 02/01/23)^(a)(b)		17,272		18,049,240

				32,254,459

Forest Products & Paper — 0.1%
Mercer International Inc., 7.38%, 01/15/25 (Call 01/15/21)^(b)		8,186		8,288,325


Security	Par (000)		Value

Gas — 0.3%
AmeriGas Partners LP/AmeriGas Finance Corp.
5.50%, 05/20/25 (Call 02/20/25)^(b)	$	9,332	$	9,518,827
5.63%, 05/20/24 (Call 03/20/24)		10,069		10,468,739
5.75%, 05/20/27 (Call 02/20/27)^(b)		8,949		9,358,864
5.88%, 08/20/26 (Call 05/20/26)^(b)		10,732		11,208,429

				40,554,859

Hand & Machine Tools — 0.1%
Colfax Corp.
6.00%, 02/15/24 (Call 02/15/21)^(a)(b)		6,747		6,988,070
6.38%, 02/15/26 (Call 02/15/22)^(a)(b)		6,073		6,438,329

				13,426,399

Health Care – Products — 0.6%
Avantor Inc.
6.00%, 10/01/24 (Call 10/01/20)^(a)(b)		21,728		22,868,720
9.00%, 10/01/25 (Call 10/01/20)^(a)		31,811		34,753,518
Hologic Inc.
4.38%, 10/15/25 (Call 10/15/20)^(a)(b)		13,509		13,769,363
4.63%, 02/01/28 (Call 02/01/23)^(a)(b)		4,814		5,028,123
Ortho-Clinical Diagnostics Inc./Ortho-Clinical Diagnostics SA, 6.63%, 05/15/22 (Call 03/30/20)^(a)(b)		2,947		2,924,013

				79,343,737

Health Care – Services — 8.0%
Acadia Healthcare Co. Inc., 5.63%, 02/15/23 (Call 02/15/21)		8,475		8,538,563
Centene Corp.
3.38%, 02/15/30 (Call 02/15/25)^(a)		16,665		16,631,337
4.25%, 12/15/27 (Call 12/15/22)^(a)		31,741		32,732,906
4.63%, 12/15/29 (Call 12/15/24)^(a)		52,404		56,074,900
4.75%, 05/15/22 (Call 05/15/20)		20,334		20,576,991
4.75%, 01/15/25 (Call 01/15/21)^(b)		22,883		23,461,940
4.75%, 01/15/25 (Call 01/15/21)^(a)		3,059		3,136,393
5.25%, 04/01/25 (Call 04/01/20)^(a)(b)		25,937		26,812,374
5.38%, 06/01/26 (Call 06/01/21)^(a)(b)		39,029		41,089,731
5.38%, 08/15/26 (Call 08/15/21)^(a)(b)		15,033		15,859,815
6.13%, 02/15/24 (Call 02/15/21)		13,759		14,181,401
Charles River Laboratories International Inc.
4.25%, 05/01/28 (Call 05/01/23)^(a)		7,222		7,357,413
5.50%, 04/01/26 (Call 04/01/21)^(a)(b)		7,041		7,426,988
CHS/Community Health Systems Inc.
6.25%, 03/31/23 (Call 03/31/20)^(b)		46,052		45,807,924
6.63%, 02/15/25 (Call 02/15/22)^(a)		12,316		12,545,847
6.88%, 04/01/28 (Call 04/01/23)^(a)		36,731		20,934,947
8.00%, 03/15/26 (Call 03/15/22)^(a)		29,587		30,569,288
8.00%, 12/15/27 (Call 12/15/22)^(a)		14,808		15,138,095
8.13%, 06/30/24 (Call 06/30/21)^(a)(b)		18,377		16,909,688
8.63%, 01/15/24 (Call 01/15/21)^(a)		14,526		15,184,729
9.88%, 06/30/23 (Call 06/30/20)^(a)(e)		25,390		24,160,108
DaVita Inc.
5.00%, 05/01/25 (Call 05/01/20)^(b)		21,361		21,724,137
5.13%, 07/15/24 (Call 07/15/20)^(b)		26,797		27,131,963
Encompass Health Corp.
4.50%, 02/01/28 (Call 02/01/23)		7,076		7,174,003
4.75%, 02/01/30 (Call 02/01/25)^(b)		7,323		7,577,474
5.75%, 11/01/24 (Call 11/01/20)		9,027		9,110,500
Envision Healthcare Corp., 8.75%, 10/15/26 (Call 10/15/21)^(a)(b)		18,184		9,682,980
HCA Healthcare Inc., 6.25%, 02/15/21		13,587		14,101,268


Security	Par (000)		Value

Health Care – Services (continued)
HCA Inc.
3.50%, 09/01/30 (Call 03/01/30)	$	31,875	$	31,234,312
5.38%, 02/01/25		42,504		46,988,172
5.38%, 09/01/26 (Call 03/01/26)^(b)		16,007		17,788,049
5.63%, 09/01/28 (Call 03/01/28)^(b)		22,689		25,719,456
5.88%, 05/01/23^(b)		19,758		21,609,943
5.88%, 02/15/26 (Call 08/15/25)^(b)		24,071		27,200,230
5.88%, 02/01/29 (Call 08/01/28)		14,719		17,037,243
7.50%, 02/15/22		38,884		42,925,992
LifePoint Health Inc., 4.38%, 02/15/27 (Call 02/15/22)^(a)		3,930		3,876,388
MEDNAX Inc.
5.25%, 12/01/23 (Call 12/01/20)^(a)(b)		10,500		10,270,418
6.25%, 01/15/27 (Call 01/15/22)^(a)(b)		15,253		14,681,013
Molina Healthcare Inc., 5.38%, 11/15/22 (Call 08/15/22)^(b)		9,520		9,929,646
RegionalCare Hospital Partners Holdings Inc./LifePoint Health Inc., 9.75%, 12/01/26 (Call 12/01/21)^(a)(b)		23,831		25,504,134
Select Medical Corp., 6.25%, 08/15/26 (Call 08/15/22)^(a)(b)		16,437		17,537,457
Tenet Healthcare Corp.
4.63%, 07/15/24 (Call 07/15/20)		28,221		28,573,762
4.63%, 09/01/24 (Call 09/01/21)^(a)(b)		8,296		8,430,810
4.88%, 01/01/26 (Call 03/01/22)^(a)(b)		32,089		32,690,669
5.13%, 05/01/25 (Call 05/01/20)^(b)		20,288		20,440,160
5.13%, 11/01/27 (Call 11/01/22)^(a)		22,942		23,831,003
6.25%, 02/01/27 (Call 02/01/22)^(a)(b)		21,423		22,494,150
6.75%, 06/15/23^(b)		28,203		30,273,334
7.00%, 08/01/25 (Call 08/01/20)^(b)		5,903		6,077,630
8.13%, 04/01/22^(b)		41,928		45,426,892

				1,082,174,566

Holding Companies – Diversified — 0.6%
Icahn Enterprises LP/Icahn Enterprises Finance Corp.
4.75%, 09/15/24 (Call 06/15/24)^(a)(b)		14,240		14,524,800
5.25%, 05/15/27 (Call 11/15/26)^(a)(b)		16,018		16,098,090
6.25%, 02/01/22 (Call 02/01/21)^(b)		16,492		16,774,343
6.25%, 05/15/26 (Call 05/15/22)		19,596		20,112,551
6.38%, 12/15/25 (Call 12/15/20)^(b)		11,569		11,975,753
6.75%, 02/01/24 (Call 02/01/21)		6,529		6,773,838

				86,259,375

Home Builders – 1.6%
Brookfield Residential Properties Inc./Brookfield Residential U.S. Corp.
4.88%, 02/15/30 (Call 02/15/25)^(a)		7,380		7,345,314
6.13%, 07/01/22 (Call 07/01/20)^(a)		8,596		8,719,353
6.25%, 09/15/27 (Call 09/15/22)^(a)(b)		7,198		7,413,940
KB Home, 7.00%, 12/15/21 (Call 09/15/21)		5,666		6,013,042
Lennar Corp.
4.13%, 01/15/22 (Call 10/15/21)		8,254		8,450,032
4.50%, 04/30/24 (Call 01/30/24)^(b)		9,112		9,704,280
4.75%, 04/01/21 (Call 02/01/21)		5,534		5,623,928
4.75%, 11/15/22 (Call 08/15/22)^(b)		7,508		7,864,630
4.75%, 05/30/25 (Call 02/28/25)^(b)		6,229		6,710,502
4.75%, 11/29/27 (Call 05/29/27)^(b)		15,501		17,056,835
4.88%, 12/15/23 (Call 09/15/23)		5,206		5,563,913
5.88%, 11/15/24 (Call 05/15/24)^(b)		5,649		6,305,696
Mattamy Group Corp.
4.63%, 03/01/30 (Call 03/01/25)^(a)		6,145		5,961,695
5.25%, 12/15/27 (Call 12/15/22)^(a)(b)		7,000		7,296,450


Security	Par (000)		Value

Home Builders (continued)
6.50%, 10/01/25 (Call 10/01/20)^(a)(b)	$	8,179	$	8,798,886
Meritage Homes Corp., 6.00%, 06/01/25 (Call 03/01/25)		5,530		6,228,162
PulteGroup Inc.
4.25%, 03/01/21 (Call 02/01/21)		4,922		4,983,525
5.00%, 01/15/27 (Call 10/15/26)		8,275		9,108,921
5.50%, 03/01/26 (Call 12/01/25)^(b)		11,855		13,067,026
Taylor Morrison Communities Inc.
5.75%, 01/15/28 (Call 10/15/27)^(a)		5,792		6,390,053
5.88%, 01/31/25 (Call 01/31/21)^(a)		10,367		10,619,747
5.88%, 06/15/27 (Call 03/15/27)^(a)(b)		7,206		8,070,977
Toll Brothers Finance Corp.
3.80%, 11/01/29 (Call 08/01/29)^(b)		7,450		7,532,775
4.35%, 02/15/28 (Call 11/15/27)^(b)		5,888		6,216,079
4.38%, 04/15/23 (Call 01/15/23)^(b)		5,076		5,305,898
4.88%, 03/15/27 (Call 12/15/26)^(b)		6,090		6,643,825
5.88%, 02/15/22 (Call 11/15/21)		4,441		4,668,498
TRI Pointe Group Inc./TRI Pointe Homes Inc., 5.88%, 06/15/24^(b)		5,623		6,093,926

				213,757,908

Home Furnishings — 0.1%
Tempur Sealy International Inc.
5.50%, 06/15/26 (Call 06/15/21)^(b)		8,039		8,410,804
5.63%, 10/15/23 (Call 10/15/20)^(b)		4,556		4,642,287

				13,053,091

Household Products & Wares — 0.2%
Prestige Brands Inc.
5.13%, 01/15/28 (Call 01/15/23)^(a)(b)		6,075		6,272,438
6.38%, 03/01/24 (Call 03/01/20)^(a)(b)		9,696		10,011,120
Spectrum Brands Inc., 5.75%, 07/15/25 (Call 07/15/20)^(b)		14,179		14,568,922

				30,852,480

Insurance — 0.5%
Acrisure LLC/Acrisure Finance Inc.
7.00%, 11/15/25 (Call 11/15/20)^(a)		14,780		14,356,553
8.13%, 02/15/24 (Call 02/15/21)^(a)(b)		12,445		13,191,700
10.13%, 08/01/26 (Call 08/01/22)^(a)(b)		5,733		6,191,640
Genworth Holdings Inc., 7.63%, 09/24/21		7,956		8,173,915
HUB International Ltd., 7.00%, 05/01/26 (Call 05/01/21)^(a)(b)		20,038		20,313,522

				62,227,330

Internet — 2.7%
Match Group Inc.
4.13%, 08/01/30 (Call 05/01/25)^(a)		8,350		8,183,000
5.00%, 12/15/27 (Call 12/15/22)^(a)(b)		5,922		6,174,385
6.38%, 06/01/24 (Call 06/01/20)		4,744		4,914,547
Netflix Inc.
4.38%, 11/15/26^(b)		14,074		14,732,624
4.88%, 04/15/28^(b)		23,553		24,795,656
4.88%, 06/15/30 (Call 03/15/30)^(a)(b)		16,419		17,189,325
5.38%, 02/01/21		3,030		3,090,600
5.38%, 11/15/29^(a)(b)		13,472		14,623,385
5.50%, 02/15/22		9,694		10,147,679
5.75%, 03/01/24^(b)		5,307		5,836,795
5.88%, 02/15/25^(b)		10,992		12,246,874
5.88%, 11/15/28^(b)		27,545		30,934,412
6.38%, 05/15/29		11,457		13,148,053
NortonLife Lock Inc.
3.95%, 06/15/22 (Call 03/15/22)^(b)		4,801		4,881,108


Security	Par (000)		Value

Internet (continued)
5.00%, 04/15/25 (Call 04/15/20)^(a)(b)	$	15,999	$	16,142,991
Photo Holdings Merger Sub Inc., 8.50%, 10/01/26 (Call 10/01/22)^(a)(b)		12,517		11,892,777
Uber Technologies Inc.
7.50%, 11/01/23 (Call 11/01/20)^(a)		7,148		7,458,864
7.50%, 09/15/27 (Call 09/15/22)^(a)		18,295		19,072,538
8.00%, 11/01/26 (Call 11/01/21)^(a)		21,677		22,571,176
VeriSign Inc.
4.63%, 05/01/23 (Call 05/01/20)^(b)		9,414		9,495,431
4.75%, 07/15/27 (Call 07/15/22)^(b)		7,538		7,852,184
5.25%, 04/01/25 (Call 01/01/25)^(b)		6,817		7,389,628
Zayo Group LLC/Zayo Capital Inc.
5.75%, 01/15/27 (Call 01/15/22)^(a)		36,269		37,039,716
6.00%, 04/01/23 (Call 04/01/20)		28,563		29,143,186
6.38%, 05/15/25 (Call 05/15/20)		18,838		19,279,516

				358,236,450

Iron & Steel — 0.4%
AK Steel Corp., 7.63%, 10/01/21 (Call 03/30/20)^(b)		4,464		4,471,971
Allegheny Technologies Inc., 7.88%, 08/15/23 (Call 05/15/23)^(b)		8,363		8,865,365
Cleveland-Cliffs Inc.
4.88%, 01/15/24 (Call 01/15/21)^(a)(b)		4,680		4,485,488
5.75%, 03/01/25 (Call 03/01/20)^(b)		10,327		9,405,315
5.88%, 06/01/27 (Call 06/01/22)^(a)(b)		10,536		8,871,523
U.S. Steel Corp.
6.25%, 03/15/26 (Call 03/15/21)^(b)		10,467		8,465,186
6.88%, 08/15/25 (Call 08/15/20)^(b)		11,002		9,502,978

				54,067,826

Leisure Time — 0.2%
Sabre GLBL Inc.
5.25%, 11/15/23 (Call 11/15/20)^(a)		5,619		5,620,124
5.38%, 04/15/23 (Call 04/15/20)^(a)(b)		7,668		7,668,000
Viking Cruises Ltd., 5.88%, 09/15/27 (Call 09/15/22)^(a)(b)		12,369		11,023,871
VOC Escrow Ltd., 5.00%, 02/15/28 (Call 02/15/23)^(a)(b)		9,333		8,353,035

				32,665,030

Lodging — 2.2%
Boyd Gaming Corp.
4.75%, 12/01/27 (Call 12/01/22)^(a)(b)		15,225		15,074,729
6.00%, 08/15/26 (Call 08/15/21)^(b)		9,448		9,764,004
6.38%, 04/01/26 (Call 04/01/21)^(b)		11,270		11,793,368
Diamond Resorts International Inc.
7.75%, 09/01/23 (Call 09/01/20)^(a)(b)		7,450		7,450,000
10.75%, 09/01/24 (Call 09/01/20)^(a)(b)		9,123		9,157,211
Hilton Domestic Operating Co. Inc.
4.25%, 09/01/24 (Call 09/01/20)		14,417		14,489,085
4.88%, 01/15/30 (Call 01/15/25)^(b)		15,146		15,695,043
5.13%, 05/01/26 (Call 05/01/21)^(b)		23,100		23,713,305
Hilton Worldwide Finance LLC/Hilton Worldwide Finance Corp.
4.63%, 04/01/25 (Call 04/01/20)^(b)		11,433		11,475,874
4.88%, 04/01/27 (Call 04/01/22)^(b)		8,431		8,622,015
Marriott Ownership Resorts Inc./ILG LLC, 6.50%, 09/15/26 (Call 09/15/21)^(b)		8,593		9,226,734
MGM Resorts International
4.63%, 09/01/26 (Call 06/01/26)^(b)		8,922		9,346,555
5.50%, 04/15/27 (Call 01/15/27)		18,306		19,884,892
5.75%, 06/15/25 (Call 03/15/25)^(b)		18,320		20,197,479
6.00%, 03/15/23^(b)		17,401		18,757,789


Security	Par (000)		Value

Lodging (continued)
7.75%, 03/15/22	$	12,942	$	14,139,135
Station Casinos LLC, 4.50%, 02/15/28 (Call 02/15/23)^(a)		8,175		7,776,469
Wyndham Destinations Inc.
3.90%, 03/01/23 (Call 12/01/22)		6,279		6,267,698
4.25%, 03/01/22 (Call 12/01/21)		7,178		7,151,083
5.75%, 04/01/27 (Call 01/01/27)		7,376		7,797,907
Wynn Las Vegas LLC/Wynn Las Vegas Capital Corp.
4.25%, 05/30/23 (Call 02/28/23)^(a)(b)		6,309		6,324,773
5.25%, 05/15/27 (Call 02/15/27)^(a)(b)		12,008		11,647,760
5.50%, 03/01/25 (Call 12/01/24)^(a)(b)		29,849		29,289,331

				295,042,239

Machinery — 0.2%
Titan Acquisition Ltd./Titan Co-Borrower LLC, 7.75%, 04/15/26 (Call 04/15/21)^(a)		9,320		8,854,000
Vertiv Group Corp., 9.25%, 10/15/24 (Call 10/15/20)^(a)		17,027		18,205,030

				27,059,030

Manufacturing — 0.2%
Foxtrot Escrow Issuer LLC/Foxtrot Escrow Corp., 12.25%, 11/15/26 (Call 11/15/22)^(a)(b)		12,342		12,619,695
FXI Holdings Inc., 7.88%, 11/01/24 (Call 11/01/20)^(a)		8,099		7,618,122

				20,237,817

Media — 11.5%
Altice Financing SA
5.00%, 01/15/28 (Call 01/15/23)^(a)(b)		19,048		18,517,513
7.50%, 05/15/26 (Call 05/15/21)^(a)(b)		39,905		42,448,944
Altice Luxembourg SA, 7.63%, 02/15/25 (Call 02/15/21)^(a)(b)		12,335		12,811,769
AMC Networks Inc.
4.75%, 12/15/22 (Call 12/15/20)		12,295		12,379,528
4.75%, 08/01/25 (Call 08/01/21)^(b)		10,513		10,478,307
5.00%, 04/01/24 (Call 04/01/20)^(b)		15,444		15,540,525
CCO Holdings LLC/CCO Holdings Capital Corp.
4.00%, 03/01/23 (Call 11/01/20)^(a)(b)		6,386		6,431,979
4.50%, 08/15/30 (Call 02/15/25)^(a)		11,285		11,422,522
4.75%, 03/01/30 (Call 09/01/24)^(a)(b)		57,588		59,092,964
5.00%, 02/01/28 (Call 08/01/22)^(a)(b)		36,341		37,794,640
5.13%, 02/15/23 (Call 02/15/21)		17,986		18,118,197
5.13%, 05/01/23 (Call 05/01/20)^(a)(b)		17,130		17,373,246
5.13%, 05/01/27 (Call 05/01/22)^(a)(b)		51,174		53,220,960
5.25%, 09/30/22 (Call 09/30/20)		17,920		18,116,224
5.38%, 05/01/25 (Call 05/01/20)^(a)(b)		10,109		10,388,008
5.38%, 06/01/29 (Call 06/01/24)^(a)(b)		22,118		23,555,670
5.50%, 05/01/26 (Call 05/01/21)^(a)		22,667		23,602,014
5.75%, 09/01/23 (Call 03/01/20)^(b)		9,120		9,206,640
5.75%, 02/15/26 (Call 02/15/21)^(a)(b)		38,225		39,742,532
5.88%, 04/01/24 (Call 04/01/20)^(a)		25,999		26,706,173
5.88%, 05/01/27 (Call 05/01/21)^(a)(b)		11,539		12,029,408
Clear Channel Worldwide Holdings Inc.
5.13%, 08/15/27 (Call 08/15/22)^(a)(b)		17,878		17,895,419
9.25%, 02/15/24 (Call 02/15/21)^(a)(b)		29,665		31,519,062
CSC Holdings LLC
5.25%, 06/01/24^(b)		11,508		12,450,978
5.38%, 07/15/23 (Call 07/15/20)^(a)		14,835		15,145,793
5.38%, 02/01/28 (Call 02/01/23)^(a)(b)		13,734		14,339,308
5.50%, 05/15/26 (Call 05/15/21)^(a)		20,705		21,455,556
5.50%, 04/15/27 (Call 04/15/22)^(a)(b)		19,193		20,188,637
5.75%, 01/15/30 (Call 01/15/25)^(a)		34,176		36,271,987
6.50%, 02/01/29 (Call 02/01/24)^(a)(b)		26,085		28,986,956


Security	Par (000)		Value

Media (continued)
6.63%, 10/15/25 (Call 10/15/20)^(a)(b)	$	11,781	$	12,355,324
6.75%, 11/15/21^(b)		16,035		17,030,509
7.50%, 04/01/28 (Call 04/01/23)^(a)(b)		14,917		16,705,474
7.75%, 07/15/25 (Call 07/15/20)^(a)(b)		8,814		9,273,981
10.88%, 10/15/25 (Call 10/15/20)^(a)		26,228		28,777,362
Diamond Sports Group LLC/Diamond Sports Finance Co.
5.38%, 08/15/26 (Call 08/15/22)^(a)		46,006		42,325,520
6.63%, 08/15/27 (Call 08/15/22)^(a)(b)		27,302		21,930,525
DISH DBS Corp.
5.00%, 03/15/23^(b)		22,607		23,115,657
5.88%, 07/15/22		29,363		30,638,822
5.88%, 11/15/24^(b)		29,539		30,316,910
6.75%, 06/01/21		31,678		32,882,081
7.75%, 07/01/26^(b)		30,692		32,978,554
Gray Television Inc.
5.13%, 10/15/24 (Call 10/15/20)^(a)(b)		6,464		6,625,600
5.88%, 07/15/26 (Call 07/15/21)^(a)(b)		9,690		9,980,700
7.00%, 05/15/27 (Call 05/15/22)^(a)(b)		12,209		13,224,667
iHeartCommunications Inc.
4.75%, 01/15/28 (Call 01/15/23)^(a)(b)		6,722		6,688,390
5.25%, 08/15/27 (Call 08/15/22)^(a)		10,349		10,698,279
6.38%, 05/01/26 (Call 05/01/22)		14,040		15,110,550
8.38%, 05/01/27 (Call 05/01/22)^(b)		22,858		24,794,073
LCPR Senior Secured Financing DAC, 6.75%, 10/15/27 (Call 10/15/22)^(a)		19,186		20,140,503
Meredith Corp., 6.88%, 02/01/26 (Call 02/01/21)^(b)		20,588		20,742,410
Nexstar Broadcasting Inc.
5.63%, 08/01/24 (Call 08/01/20)^(a)(b)		11,696		12,029,336
5.63%, 07/15/27 (Call 07/15/22)^(a)		26,506		27,466,842
Quebecor Media Inc., 5.75%, 01/15/23^(b)		12,153		12,968,543
Sinclair Television Group Inc.
5.13%, 02/15/27 (Call 08/15/21)^(a)(b)		5,645		5,558,632
5.50%, 03/01/30 (Call 12/01/24)^(a)(b)		7,558		7,461,636
5.63%, 08/01/24 (Call 08/01/20)^(a)(b)		11,170		11,390,608
Sirius XM Radio Inc.
3.88%, 08/01/22 (Call 08/01/20)^(a)		13,557		13,689,436
4.63%, 05/15/23 (Call 05/15/20)^(a)		6,510		6,561,429
4.63%, 07/15/24 (Call 07/15/21)^(a)(b)		22,985		23,700,983
5.00%, 08/01/27 (Call 08/01/22)^(a)(b)		22,761		23,788,204
5.38%, 04/15/25 (Call 04/15/20)^(a)		13,043		13,417,986
5.38%, 07/15/26 (Call 07/15/21)^(a)(b)		13,023		13,495,084
5.50%, 07/01/29 (Call 07/01/24)^(a)(b)		18,862		20,223,836
TEGNA Inc.
4.63%, 03/15/28 (Call 03/15/23)^(a)(b)		15,165		14,703,226
5.00%, 09/15/29 (Call 09/15/24)^(a)(b)		16,777		16,567,288
Telenet Finance Luxembourg Note SARL, 5.50%, 03/01/28 (Call 12/01/22)^(a)		14,500		15,315,625
Univision Communications Inc.
5.13%, 05/15/23 (Call 05/15/20)^(a)(b)		18,695		18,190,235
5.13%, 02/15/25 (Call 02/15/21)^(a)(b)		23,085		21,775,707
UPC Holding BV, 5.50%, 01/15/28 (Call 10/15/22)^(a)		7,661		7,773,770
ViacomCBS Inc.
5.88%, 02/28/57 (Call 02/28/22)^(b)(c)		10,422		10,579,789
6.25%, 02/28/57 (Call 02/28/27)^(b)(c)		10,572		11,232,750
Videotron Ltd.
5.00%, 07/15/22		9,966		10,298,615
5.13%, 04/15/27 (Call 04/15/22)^(a)(b)		8,188		8,583,890
5.38%, 06/15/24 (Call 03/15/24)^(a)(b)		8,590		9,296,012


Security	Par (000)		Value

Media (continued)
Virgin Media Finance PLC, 6.00%, 10/15/24 (Call 10/15/20)^(a)(b)	$	6,450	$	6,598,746
Virgin Media Secured Finance PLC
5.50%, 08/15/26 (Call 08/15/21)^(a)(b)		11,924		12,263,148
5.50%, 05/15/29 (Call 05/15/24)^(a)		20,547		21,009,307
Ziggo Bond Co. BV
5.13%, 02/28/30 (Call 02/15/25)^(a)(b)		2,145		2,135,004
6.00%, 01/15/27 (Call 01/15/22)^(a)(b)		13,695		14,431,106
Ziggo BV
4.88%, 01/15/30 (Call 10/15/24)^(a)(b)		7,868		8,140,437
5.50%, 01/15/27 (Call 01/15/22)^(a)		38,459		40,206,119

				1,544,420,679

Mining — 1.9%
Alcoa Nederland Holding BV
6.13%, 05/15/28 (Call 05/15/23)^(a)(b)		7,371		7,573,703
6.75%, 09/30/24 (Call 09/30/20)^(a)(b)		10,874		11,159,443
7.00%, 09/30/26 (Call 09/30/21)^(a)(b)		6,116		6,467,670
Constellium SE
5.75%, 05/15/24 (Call 05/15/20)^(a)		8,702		8,885,395
5.88%, 02/15/26 (Call 11/15/20)^(a)(b)		8,793		8,935,886
6.63%, 03/01/25 (Call 03/01/20)^(a)(b)		11,026		11,232,737
FMG Resources August 2006 Pty Ltd.
4.50%, 09/15/27 (Call 06/15/27)^(a)(b)		9,254		8,999,515
4.75%, 05/15/22 (Call 02/15/22)^(a)(b)		11,533		11,720,411
5.13%, 03/15/23 (Call 12/15/22)^(a)(b)		8,443		8,706,844
5.13%, 05/15/24 (Call 02/15/24)^(a)(b)		11,189		11,552,642
Freeport-McMoRan Inc.
3.55%, 03/01/22 (Call 12/01/21)		34,394		34,786,092
3.88%, 03/15/23 (Call 12/15/22)		33,174		33,427,781
4.13%, 03/01/28 (Call 03/01/23)		8,650		8,196,740
4.25%, 03/01/30 (Call 03/01/25)		8,650		8,132,730
4.55%, 11/14/24 (Call 08/14/24)^(b)		15,384		15,576,300
5.00%, 09/01/27 (Call 09/01/22)^(b)		6,637		6,535,454
5.25%, 09/01/29 (Call 09/01/24)^(b)		6,982		7,016,910
Novelis Corp.
4.75%, 01/30/30 (Call 01/30/25)^(a)(b)		23,031		22,627,957
5.88%, 09/30/26 (Call 09/30/21)^(a)(b)		28,687		29,726,904

				261,261,114

Office & Business Equipment — 0.5%
CDW LLC/CDW Finance Corp.
4.25%, 04/01/28 (Call 10/01/22)		8,013		8,156,558
5.00%, 09/01/25 (Call 03/01/20)^(b)		11,866		12,255,205
5.50%, 12/01/24 (Call 06/01/24)^(b)		7,926		8,745,449
Pitney Bowes Inc.
4.63%, 05/15/22 (Call 04/15/22)		1,799		1,819,239
4.63%, 03/15/24 (Call 12/15/23)^(b)		882		840,546
5.20%, 04/01/23 (Call 03/01/23)		3,955		3,890,731
Xerox Corp.
4.13%, 03/15/23 (Call 02/15/23)^(b)		13,142		13,437,695
4.50%, 05/15/21^(b)		14,700		14,958,720

				64,104,143

Oil & Gas — 6.3%
Aker BP ASA
4.75%, 06/15/24 (Call 06/15/21)^(a)		1,039		1,081,241
5.88%, 03/31/25 (Call 03/31/21)^(a)		7,989		8,355,535
6.00%, 07/01/22 (Call 07/01/20)^(a)(b)		3,954		4,071,024
American Energy- Permian Basin LLC, 12.00%, 10/01/24 (Call 10/01/21)^(a)		2,267		1,552,895


Security	Par (000)		Value

Oil &Gas (continued)
Antero Resources Corp.
5.00%, 03/01/25 (Call 03/01/20)^(b)	$	8,906	$	4,546,513
5.13%, 12/01/22 (Call 06/01/20)^(b)		11,829		7,215,690
5.38%, 11/01/21 (Call 11/01/20)^(b)		13,850		11,421,956
5.63%, 06/01/23 (Call 06/01/20)^(b)		11,234		6,066,360
Ascent Resources Utica Holdings LLC/ARU Finance Corp.
7.00%, 11/01/26 (Call 11/01/21)^(a)		9,773		5,723,313
10.00%, 04/01/22 (Call 04/01/20)^(a)		14,748		12,498,930
California Resources Corp., 8.00%, 12/15/22 (Call 12/15/20)^(a)(b)		28,461		6,353,383
Callon Petroleum Co.
6.13%, 10/01/24 (Call 10/01/20)^(b)		8,882		7,083,395
6.38%, 07/01/26 (Call 07/01/21)^(b)		6,215		4,839,931
Calumet Specialty Products Partners LP/Calumet Finance Corp., 11.00%, 04/15/25 (Call 10/15/21)^(a)(b)		7,997		8,436,835
Chesapeake Energy Corp.
7.00%, 10/01/24 (Call 04/01/21)		991		341,637
11.50%, 01/01/25 (Call 01/01/22)^(a)(b)		37,401		21,412,072
Citgo Holding Inc., 9.25%, 08/01/24 (Call 08/01/21)^(a)		21,410		22,266,400
CNX Resources Corp.
5.88%, 04/15/22 (Call 04/15/20)		13,429		12,356,947
7.25%, 03/14/27 (Call 03/14/22)^(a)(b)		7,687		5,686,535
Comstock Resources Inc.
7.50%, 05/15/25 (Call 05/15/20)^(a)		11,550		8,543,535
9.75%, 08/15/26 (Call 08/15/21)^(b)		10,828		9,048,147
CrownRock LP/CrownRock Finance Inc., 5.63%, 10/15/25 (Call 10/15/20)^(a)(b)		17,608		16,947,700
CVR Energy Inc.
5.25%, 02/15/25 (Call 02/15/22)^(a)		8,499		7,963,121
5.75%, 02/15/28 (Call 02/15/23)^(a)		6,515		6,213,030
Denbury Resources Inc.
7.75%, 02/15/24 (Call 08/15/20)^(a)		7,666		4,273,795
9.00%, 05/15/21 (Call 12/15/20)^(a)(b)		8,370		7,313,288
9.25%, 03/31/22 (Call 03/31/20)^(a)(b)		8,106		6,201,090
Diamond Offshore Drilling Inc., 7.88%, 08/15/25 (Call 05/15/25)		8,036		5,675,425
Endeavor Energy Resources LP/EER Finance Inc.
5.50%, 01/30/26 (Call 01/30/21)^(a)		7,037		6,924,549
5.75%, 01/30/28 (Call 01/30/23)^(a)(b)		14,906		14,628,748
Extraction Oil &Gas Inc.
5.63%, 02/01/26 (Call 02/01/21)^(a)		12,768		4,468,800
7.38%, 05/15/24 (Call 05/15/20)^(a)		3,828		1,425,930
Gulfport Energy Corp.
6.00%, 10/15/24 (Call 10/15/20)^(b)		10,534		3,553,580
6.38%, 05/15/25 (Call 05/15/20)		6,647		2,185,201
Hilcorp Energy I LP/Hilcorp Finance Co.
5.00%, 12/01/24 (Call 06/01/20)^(a)(b)		7,304		5,770,160
5.75%, 10/01/25 (Call 04/01/20)^(a)(b)		8,236		6,562,419
6.25%, 11/01/28 (Call 11/01/23)^(a)(b)		8,855		6,641,250
Laredo Petroleum Inc.
9.50%, 01/15/25 (Call 01/15/22)		9,970		7,178,400
10.13%, 01/15/28 (Call 01/15/23)^(b)		5,675		4,015,942
Matador Resources Co., 5.88%, 09/15/26 (Call 09/15/21)^(b)		16,651		14,902,645
MEG Energy Corp.
6.50%, 01/15/25 (Call 01/15/21)^(a)		12,812		12,619,820
7.00%, 03/31/24 (Call 09/30/20)^(a)(b)		12,679		12,013,352
7.13%, 02/01/27 (Call 02/01/23)^(a)		16,940		16,008,300


Security	Par (000)		Value

Oil & Gas (continued)
Moss Creek Resources Holdings Inc.
7.50%, 01/15/26 (Call 01/15/21)^(a)(b)	$	10,254	$	6,022,687
10.50%, 05/15/27 (Call 05/15/22)^(a)(b)		8,459		5,745,071
Murphy Oil Corp.
4.45%, 12/01/22 (Call 09/01/22)		178		181,836
5.75%, 08/15/25 (Call 08/18/20)^(b)		6,414		6,222,510
5.88%, 12/01/27 (Call 12/01/22)^(b)		8,996		8,789,812
6.88%, 08/15/24 (Call 08/15/20)		9,145		9,138,370
Nabors Industries Inc.
4.63%, 09/15/21^(b)		1,496		1,488,520
5.00%, 09/15/20^(b)		494		495,235
5.50%, 01/15/23 (Call 11/15/22)^(b)		4,437		4,093,133
5.75%, 02/01/25 (Call 11/01/24)^(b)		11,073		7,944,877
Nabors Industries Ltd.
7.25%, 01/15/26 (Call 07/15/22)^(a)(b)		8,260		7,547,575
7.50%, 01/15/28 (Call 01/15/23)^(a)		6,274		5,672,742
Noble Holding International Ltd.
7.88%, 02/01/26 (Call 02/01/21)^(a)(b)		12,837		7,949,389
7.95%, 04/01/25 (Call 01/01/25)^(b)		4,672		1,792,880
Oasis Petroleum Inc.
6.25%, 05/01/26 (Call 05/01/21)^(a)(b)		5,827		3,583,605
6.88%, 03/15/22 (Call 03/30/20)		13,484		10,584,940
Pacific Drilling SA, 8.38%, 10/01/23 (Call 09/01/20)^(a)		11,338		8,837,971
Parkland Fuel Corp.
5.88%, 07/15/27 (Call 07/15/22)^(a)(b)		7,387		7,608,462
6.00%, 04/01/26 (Call 04/01/21)^(a)(b)		6,464		6,690,240
Parsley Energy LLC/Parsley Finance Corp.
4.13%, 02/15/28 (Call 02/15/23)^(a)		4,960		4,650,000
5.25%, 08/15/25 (Call 08/15/20)^(a)		7,483		7,454,939
5.38%, 01/15/25 (Call 01/15/21)^(a)		10,118		10,143,295
5.63%, 10/15/27 (Call 10/15/22)^(a)(b)		10,219		10,150,022
6.25%, 06/01/24 (Call 06/01/20)^(a)		6,215		6,507,727
PBF Holding Co. LLC/PBF Finance Corp.
6.00%, 02/15/28 (Call 02/15/23)^(a)(b)		15,865		15,677,476
7.25%, 06/15/25 (Call 06/15/20)^(b)		10,895		11,194,612
PDC Energy Inc.
5.75%, 05/15/26 (Call 05/15/21)^(b)		9,264		8,244,960
6.13%, 09/15/24 (Call 09/15/20)^(b)		6,045		5,636,358
Puma International Financing SA
5.00%, 01/24/26 (Call 01/24/21)^(a)		10,170		9,518,696
5.13%, 10/06/24 (Call 10/06/20)^(a)		9,356		9,060,959
QEP Resources Inc.
5.25%, 05/01/23 (Call 02/01/23)^(b)		10,248		9,038,736
5.38%, 10/01/22 (Call 07/01/22)		6,991		6,379,288
5.63%, 03/01/26 (Call 12/01/25)^(b)		7,843		6,235,185
Range Resources Corp.
4.88%, 05/15/25 (Call 02/15/25)^(b)		10,643		6,732,191
5.00%, 08/15/22 (Call 05/15/22)		11,839		9,799,049
5.00%, 03/15/23 (Call 12/15/22)^(b)		11,775		8,533,342
9.25%, 02/01/26 (Call 02/01/22)^(a)		6,850		4,594,980
Seven Generations Energy Ltd.
5.38%, 09/30/25 (Call 09/30/20)^(a)		11,248		10,260,426
6.75%, 05/01/23 (Call 05/01/20)^(a)(b)		4,427		4,383,660
6.88%, 06/30/23 (Call 06/30/20)^(a)		6,391		6,387,006
SM Energy Co.
5.00%, 01/15/24 (Call 07/15/20)		4,999		3,913,217
5.63%, 06/01/25 (Call 06/01/20)^(b)		5,129		3,941,516
6.13%, 11/15/22 (Call 11/15/20)^(b)		6,203		5,604,043
6.63%, 01/15/27 (Call 01/15/22)^(b)		9,481		7,347,775
6.75%, 09/15/26 (Call 09/15/21)^(b)		9,346		7,281,118


Security	Par (000)		Value

Oil & Gas (continued)
Southwestern Energy Co.
6.20%, 01/23/25 (Call 10/23/24)^(b)	$	11,828	$	8,731,193
7.50%, 04/01/26 (Call 04/01/21)^(b)		12,405		9,290,207
7.75%, 10/01/27 (Call 10/01/22)^(b)		6,083		4,607,873
Sunoco LP/Sunoco Finance Corp.
4.88%, 01/15/23 (Call 01/15/21)^(b)		15,092		15,163,687
5.50%, 02/15/26 (Call 02/15/21)^(b)		11,009		11,175,236
5.88%, 03/15/28 (Call 03/15/23)^(b)		7,333		7,555,282
6.00%, 04/15/27 (Call 04/15/22)^(b)		8,220		8,428,856
Transocean Guardian Ltd., 5.88%, 01/15/24 (Call 07/15/21)^(a)		10,022		9,923,400
Transocean Inc.
7.25%, 11/01/25 (Call 11/01/21)^(a)(b)		10,835		8,911,787
7.50%, 01/15/26 (Call 01/15/21)^(a)(b)		9,821		8,188,259
8.00%, 02/01/27 (Call 02/01/23)^(a)(b)		12,325		10,286,239
Transocean Pontus Ltd., 6.13%, 08/01/25 (Call 08/01/21)^(a)(b)		8,412		8,429,152
Transocean Poseidon Ltd., 6.88%, 02/01/27 (Call 02/01/22)^(a)(b)		6,951		7,056,655
Transocean Sentry Ltd., 5.38%, 05/15/23 (Call 05/16/21)^(a)(b)		5,722		5,572,570
Valaris PLC
4.88%, 06/01/22 (Call 03/01/22)		8,811		5,727,150
7.75%, 02/01/26 (Call 11/01/25)^(b)		15,813		6,285,668
Whiting Petroleum Corp.
5.75%, 03/15/21 (Call 12/15/20)^(b)		10,653		6,125,475
6.25%, 04/01/23 (Call 01/01/23)		5,021		2,259,450
6.63%, 01/15/26 (Call 10/15/25)^(b)		15,284		5,655,080
WPX Energy Inc.
4.50%, 01/15/30 (Call 01/15/25)^(b)		13,490		12,831,351
5.25%, 09/15/24 (Call 06/15/24)^(b)		9,550		9,523,737
5.25%, 10/15/27 (Call 09/30/22)^(b)		7,701		7,597,037
5.75%, 06/01/26 (Call 06/01/21)		8,093		8,055,368
8.25%, 08/01/23 (Call 06/01/23)		5,655		6,305,325

				845,135,287

Oil &Gas Services — 0.8%
Archrock Partners LP/Archrock Partners Finance Corp.
6.25%, 04/01/28 (Call 04/01/23)^(a)		7,915		7,749,709
6.88%, 04/01/27 (Call 04/01/22)^(a)(b)		7,895		8,002,411
KCA Deutag UK Finance PLC
9.63%, 04/01/23 (Call 04/01/20)^(a)(b)		5,183		3,200,503
9.88%, 04/01/22 (Call 04/01/20)^(a)(b)		7,797		4,855,192
SESI LLC
7.13%, 12/15/21 (Call 03/30/20)^(a)(b)		15,521		12,751,472
7.75%, 09/15/24 (Call 09/15/20)		6,337		3,073,445
Transocean Phoenix 2 Ltd., 7.75%, 10/15/24 (Call 10/15/20)^(a)(b)		3,294		3,368,319
Transocean Proteus Ltd., 6.25%, 12/01/24 (Call 12/01/20)^(a)		3,691		3,692,148
USA Compression Partners LP/USA Compression Finance Corp.
6.88%, 04/01/26 (Call 04/01/21)^(b)		10,785		10,463,877
6.88%, 09/01/27 (Call 09/01/22)		12,413		12,071,642
Weatherford International Ltd., 11.00%, 12/01/24 (Call 12/01/21)^(a)(b)		32,815		31,124,755

				100,353,473


Security	Par (000)		Value

Packaging & Containers — 3.0%
Ardagh Packaging Finance PLC/Ardagh Holdings USA Inc.
4.13%, 08/15/26 (Call 08/15/22)^(a)(b)	$	7,571	$	7,552,073
4.25%, 09/15/22 (Call 03/15/20)^(a)(b)		10,876		10,933,969
5.25%, 08/15/27 (Call 08/15/22)^(a)(b)		11,062		11,269,413
6.00%, 02/15/25 (Call 02/15/21)^(a)		25,819		26,916,307
Ball Corp.
4.00%, 11/15/23		15,374		15,921,699
4.88%, 03/15/26 (Call 12/15/25)^(b)		11,411		12,573,496
5.00%, 03/15/22		9,520		9,900,800
5.25%, 07/01/25^(b)		13,395		14,622,652
Berry Global Inc.
4.50%, 02/15/26 (Call 02/15/21)^(a)(b)		6,904		6,813,385
4.88%, 07/15/26 (Call 07/15/22)^(a)(b)		19,511		19,895,367
5.13%, 07/15/23 (Call 07/15/20)^(b)		9,982		9,995,047
5.50%, 05/15/22 (Call 05/15/20)^(b)		6,242		6,270,702
5.63%, 07/15/27 (Call 07/15/22)^(a)(b)		6,561		6,823,440
6.00%, 10/15/22 (Call 10/15/20)^(b)		746		757,899
Crown Americas LLC/Crown Americas Capital Corp. IV, 4.50%, 01/15/23		14,141		14,374,326
Crown Americas LLC/Crown Americas Capital Corp. V, 4.25%, 09/30/26 (Call 03/31/26)^(b)		5,724		5,917,185
Crown Americas LLC/Crown Americas Capital Corp. VI, 4.75%, 02/01/26 (Call 02/01/21)^(b)		13,156		13,567,125
Flex Acquisition Co. Inc.
6.88%, 01/15/25 (Call 01/15/21)^(a)(b)		9,191		9,016,371
7.88%, 07/15/26 (Call 07/15/21)^(a)(b)		8,240		8,314,675
Graphic Packaging International LLC
3.50%, 03/15/28^(a)		7,100		7,006,848
4.75%, 04/15/21 (Call 01/15/21)^(b)		225		228,802
LABL Escrow Issuer LLC
6.75%, 07/15/26 (Call 07/15/22)^(a)		10,548		11,062,215
10.50%, 07/15/27 (Call 07/15/22)^(a)(b)		10,025		10,375,875
Mauser Packaging Solutions Holding Co.
5.50%, 04/15/24 (Call 04/15/20)^(a)(b)		23,690		23,594,055
7.25%, 04/15/25 (Call 04/15/20)^(a)(b)		20,665		20,028,311
Owens-Brockway Glass Container Inc.
5.00%, 01/15/22^(a)(b)		7,179		7,386,473
5.88%, 08/15/23^(a)(b)		10,535		11,193,964
Reynolds Group Issuer Inc./Reynolds Group Issuer LLC/Reynolds Group Issuer Lu
5.13%, 07/15/23 (Call 07/15/20)^(a)		27,388		27,661,880
7.00%, 07/15/24 (Call 07/15/20)^(a)(b)		10,117		10,293,505
Sealed Air Corp.
4.00%, 12/01/27 (Call 09/01/27)^(a)		7,378		7,359,555
4.88%, 12/01/22 (Call 09/01/22)^(a)(b)		5,115		5,334,945
5.13%, 12/01/24 (Call 09/01/24)^(a)(b)		6,123		6,562,847
5.25%, 04/01/23 (Call 01/01/23)^(a)(b)		5,653		5,970,981
5.50%, 09/15/25 (Call 06/15/25)^(a)(b)		4,728		5,136,343
Trivium Packaging Finance BV
5.50%, 08/15/26 (Call 08/15/22)^(a)(b)		16,416		17,032,421
8.50%, 08/15/27 (Call 08/15/22)^(a)(b)		10,791		11,389,037

				399,053,988

Pharmaceuticals — 4.1%
Bausch Health Americas Inc.
8.50%, 01/31/27 (Call 01/17/22)^(a)(b)		26,987		29,685,700
9.25%, 04/01/26 (Call 04/01/22)^(a)(b)		22,170		24,853,494
Bausch Health Companies Inc.
5.00%, 01/30/28 (Call 01/30/23)^(a)		17,087		16,766,619
5.25%, 01/30/30 (Call 01/30/25)^(a)(b)		15,828		15,669,720


Security	Par (000)		Value

Pharmaceuticals (continued)
5.50%, 03/01/23 (Call 03/01/20)^(a)(b)	$	7,750	$	7,763,147
5.50%, 11/01/25 (Call 11/01/20)^(a)(b)		29,054		29,978,960
5.75%, 08/15/27 (Call 08/15/22)^(a)(b)		7,089		7,540,924
5.88%, 05/15/23 (Call 05/15/20)^(a)(b)		345		346,294
6.13%, 04/15/25 (Call 04/15/20)^(a)(b)		49,735		50,742,134
6.50%, 03/15/22 (Call 03/15/20)^(a)		18,450		18,702,765
7.00%, 03/15/24 (Call 03/15/20)^(a)		29,742		30,721,502
7.00%, 01/15/28 (Call 01/15/23)^(a)(b)		11,937		12,773,784
7.25%, 05/30/29 (Call 05/30/24)^(a)		14,728		16,099,545
9.00%, 12/15/25 (Call 12/15/21)^(a)		25,589		28,454,628
Elanco Animal Health Inc.
4.66%, 08/27/21		5,209		5,380,542
5.02%, 08/28/23 (Call 07/28/23)^(b)		10,441		11,176,305
5.65%, 08/28/28 (Call 05/28/28)^(b)		11,027		12,607,307
Endo Dac/Endo Finance LLC/Endo Finco Inc.
6.00%, 07/15/23 (Call 07/15/20)^(a)(b)		21,532		16,995,423
6.00%, 02/01/25 (Call 02/01/21)^(a)(b)		15,542		11,967,340
Mallinckrodt International Finance SA/Mallinckrodt CB LLC
5.63%, 10/15/23 (Call 10/15/20)^(a)(b)		6,455		3,756,407
5.75%, 08/01/22 (Call 08/01/20)^(a)(b)		7,093		5,442,265
Par Pharmaceutical Inc., 7.50%, 04/01/27 (Call 04/01/22)^(a)		25,100		26,505,600
Teva Pharmaceutical Finance Netherlands III BV
2.20%, 07/21/21^(b)		31,373		30,455,208
2.80%, 07/21/23		45,010		41,915,562
3.15%, 10/01/26^(b)		54,538		47,238,361
6.00%, 04/15/24 (Call 01/15/24)		15,036		15,261,540
6.75%, 03/01/28 (Call 12/01/27)^(b)		20,119		21,351,289
7.13%, 01/31/25 (Call 10/31/24)^(a)(b)		11,991		12,629,470

				552,781,835

Pipelines — 3.1%
Antero Midstream Partners LP/Antero Midstream Finance Corp.
5.38%, 09/15/24 (Call 09/15/20)		7,142		5,429,706
5.75%, 03/01/27 (Call 03/01/22)^(a)(b)		10,818		7,332,440
5.75%, 01/15/28 (Call 01/15/23)^(a)(b)		9,361		6,365,480
Blue Racer Midstream LLC/Blue Racer Finance Corp., 6.13%, 11/15/22 (Call 11/15/20)^(a)(b)		11,588		10,620,981
Buckeye Partners LP
3.95%, 12/01/26 (Call 09/01/26)^(b)		2,000		1,910,058
4.13%, 03/01/25 (Call 02/01/25)^(a)		5,945		5,945,595
4.15%, 07/01/23 (Call 04/01/23)^(b)		539		543,662
4.50%, 03/01/28 (Call 12/01/27)^(a)		5,105		4,939,088
6.38%, 01/22/78 (Call 01/22/23)^(c)		9,177		7,395,132
Cheniere Energy Partners LP
4.50%, 10/01/29 (Call 10/01/24)^(a)(b)		22,811		21,808,913
5.25%, 10/01/25 (Call 10/01/20)^(b)		24,153		24,190,739
5.63%, 10/01/26 (Call 10/01/21)^(b)		14,755		14,828,775
Crestwood Midstream Partners LP/Crestwood Midstream Finance Corp.
5.63%, 05/01/27 (Call 05/01/22)^(a)		10,152		9,415,980
5.75%, 04/01/25 (Call 04/01/20)^(b)		6,438		6,148,290
6.25%, 04/01/23 (Call 04/01/20)		10,183		9,750,732
DCP Midstream Operating LP
3.88%, 03/15/23 (Call 12/15/22)^(b)		6,598		6,552,507
4.75%, 09/30/21 (Call 06/30/21)^(a)(b)		5,131		5,088,413
5.13%, 05/15/29 (Call 02/15/29)^(b)		9,970		9,720,750
5.38%, 07/15/25 (Call 04/15/25)^(b)		12,492		13,105,638
5.85%, 05/21/43 (Call 05/21/23)^(a)(c)		7,550		6,606,250


Security	Par (000)		Value

Pipelines (continued)
EnLink Midstream Partners LP
4.15%, 06/01/25 (Call 03/01/25)^(b)	$	10,762	$	9,096,042
4.40%, 04/01/24 (Call 01/01/24)		7,856		7,119,500
4.85%, 07/15/26 (Call 04/15/26)^(b)		9,315		7,962,870
Genesis Energy LP/Genesis Energy Finance Corp.
6.00%, 05/15/23 (Call 05/15/20)^(b)		6,103		5,721,563
6.25%, 05/15/26 (Call 02/15/21)		6,901		5,762,335
6.50%, 10/01/25 (Call 10/01/20)		7,812		6,598,796
7.75%, 02/01/28 (Call 02/01/23)^(b)		11,680		10,050,640
Global Partners LP/GLP Finance Corp., 7.00%, 08/01/27 (Call 08/01/22)		6,872		7,107,744
Hess Midstream Operations LP
5.13%, 06/15/28 (Call 06/15/23)^(a)(b)		8,140		7,956,850
5.63%, 02/15/26 (Call 02/15/21)^(a)(b)		13,153		13,065,401
NGL Energy Partners LP/NGL Energy Finance Corp.
7.50%, 11/01/23 (Call 11/01/20)		9,240		8,547,000
7.50%, 04/15/26 (Call 04/15/22)		7,706		6,742,750
NuStar Logistics LP
5.63%, 04/28/27 (Call 01/28/27)		8,743		8,919,521
6.00%, 06/01/26 (Call 03/01/26)^(b)		6,708		7,009,105
Tallgrass Energy Partners LP/Tallgrass Energy Finance Corp.
4.75%, 10/01/23 (Call 10/01/20)^(a)(b)		5,344		5,135,246
5.50%, 09/15/24 (Call 09/15/20)^(a)(b)		9,395		8,739,229
5.50%, 01/15/28 (Call 01/15/23)^(a)(b)		12,713		11,317,113
6.00%, 03/01/27 (Call 03/01/23)^(a)(b)		6,970		6,612,787
Targa Resources Partners LP/Targa Resources Partners Finance Corp.
4.25%, 11/15/23 (Call 05/15/20)^(b)		6,966		6,859,420
5.00%, 01/15/28 (Call 01/15/23)^(b)		12,473		12,344,528
5.13%, 02/01/25 (Call 02/01/21)		6,025		6,070,188
5.25%, 05/01/23 (Call 11/01/20)^(b)		7,159		7,171,748
5.38%, 02/01/27 (Call 02/01/22)^(b)		7,160		7,195,800
5.50%, 03/01/30 (Call 03/01/25)^(a)(b)		16,360		16,339,550
5.88%, 04/15/26 (Call 04/15/21)^(b)		14,465		14,700,056
6.50%, 07/15/27 (Call 07/15/22)^(b)		9,956		10,366,685
6.75%, 03/15/24 (Call 09/15/20)^(b)		8,871		9,037,331
6.88%, 01/15/29 (Call 01/15/24)^(b)		10,485		11,310,694

				422,559,621

Real Estate — 0.4%
Howard Hughes Corp. (The), 5.38%, 03/15/25 (Call 03/15/20)^(a)(b)		14,707		15,056,291
Kennedy-Wilson Inc., 5.88%, 04/01/24 (Call 04/01/20)^(b)		16,258		16,565,377
Realogy Group LLC/Realogy Co-Issuer Corp.
4.88%, 06/01/23 (Call 03/01/23)^(a)(b)		4,976		4,935,570
5.25%, 12/01/21 (Call 12/01/20)^(a)(b)		7,024		7,050,340
9.38%, 04/01/27 (Call 04/01/22)^(a)		8,299		8,506,475

				52,114,053

Real Estate Investment Trusts — 3.4%
Brookfield Property REIT Inc./BPR Cumulus LLC/BPR Nimbus LLC/GGSI Sellco LL, 5.75%, 05/15/26 (Call 05/15/22)^(a)		16,415		16,230,331
CBL & Associates LP
5.25%, 12/01/23 (Call 09/01/23)		5,013		2,517,905
5.95%, 12/15/26 (Call 09/15/26)^(b)		10,772		4,362,660
Diversified Healthcare Trust, 4.75%, 02/15/28 (Call 08/15/27)^(b)		8,282		8,668,863
Equinix Inc., 5.38%, 05/15/27 (Call 05/15/22)		122		131,370


Security	Par (000)		Value

Real Estate Investment Trusts (continued)
ESH Hospitality Inc.
4.63%, 10/01/27 (Call 10/01/22)^(a)(b)	$	10,839	$	10,540,927
5.25%, 05/01/25 (Call 05/01/20)^(a)(b)		18,480		18,618,600
Iron Mountain Inc.
4.38%, 06/01/21 (Call 06/01/20)^(a)(b)		5,505		5,495,426
4.88%, 09/15/27 (Call 09/15/22)^(a)(b)		14,693		14,839,930
4.88%, 09/15/29 (Call 09/15/24)^(a)(b)		14,540		14,380,060
5.25%, 03/15/28 (Call 12/27/22)^(a)(b)		12,037		12,461,906
5.75%, 08/15/24 (Call 08/15/20)^(b)		14,993		15,105,447
6.00%, 08/15/23 (Call 08/15/20)		8,486		8,655,720
iStar Inc.
4.25%, 08/01/25 (Call 05/01/25)		8,095		7,992,194
4.75%, 10/01/24 (Call 07/01/24)^(b)		10,411		10,655,763
5.25%, 09/15/22 (Call 09/15/20)		6,092		6,198,610
Ladder Capital Finance Holdings LLLP/Ladder Capital Finance Corp.
4.25%, 02/01/27 (Call 02/01/23)^(a)		11,566		10,960,173
5.25%, 03/15/22 (Call 09/15/21)^(a)		7,395		7,545,451
5.25%, 10/01/25 (Call 10/01/20)^(a)		4,917		4,998,539
MGM Growth Properties Operating Partnership LP/MGP Finance Co-Issuer Inc.
4.50%, 09/01/26 (Call 06/01/26)^(b)		7,768		8,127,270
5.63%, 05/01/24 (Call 02/01/24)^(b)		14,320		15,501,400
5.75%, 02/01/27 (Call 11/01/26)		11,902		13,032,690
MPT Operating Partnership LP/MPT Finance Corp.
4.63%, 08/01/29 (Call 08/01/24)^(b)		12,899		13,576,197
5.00%, 10/15/27 (Call 09/07/22)^(b)		21,052		22,020,603
5.25%, 08/01/26 (Call 08/01/21)^(b)		6,102		6,361,335
6.38%, 03/01/24 (Call 03/01/20)^(b)		8,777		9,062,252
Ryman Hospitality Properties Inc., 4.75%, 10/15/27 (Call 10/15/22)^(a)(b)		9,957		10,079,268
SBA Communications Corp.
3.88%, 02/15/27 (Call 02/15/23)^(a)		9,275		9,471,089
4.00%, 10/01/22 (Call 10/01/20)^(b)		13,237		13,411,818
4.88%, 09/01/24 (Call 09/01/20)^(b)		22,432		23,034,972
Starwood Property Trust Inc.
3.63%, 02/01/21 (Call 11/01/20)		4,254		4,222,095
4.75%, 03/15/25 (Call 09/15/24)^(b)		7,075		7,263,667
5.00%, 12/15/21 (Call 09/15/21)^(b)		8,624		8,640,170
Uniti Group LP/Uniti Fiber Holdings Inc./CSL Capital LLC
7.13%, 12/15/24 (Call 12/15/20)^(a)(b)		9,586		8,646,872
7.88%, 02/15/25 (Call 02/15/22)^(a)		18,350		18,946,375
Uniti Group LP/Uniti Group Finance Inc./CSL Capital LLC
6.00%, 04/15/23 (Call 04/15/20)^(a)(b)		9,888		9,739,371
8.25%, 10/15/23 (Call 04/15/20)^(b)		19,212		17,867,160
VICI Properties LP/VICI Note Co. Inc.
3.50%, 02/15/25 (Call 02/15/22)^(a)		6,000		6,009,300
3.75%, 02/15/27 (Call 02/15/23)^(a)		5,015		4,987,576
4.13%, 08/15/30 (Call 02/15/25)^(a)		9,565		9,517,175
4.25%, 12/01/26 (Call 12/01/22)^(a)(b)		23,335		23,512,346
4.63%, 12/01/29 (Call 12/01/24)^(a)		18,098		18,720,119
Washington Prime Group LP, 6.45%, 08/15/24 (Call 06/15/24)		90		74,025

				462,185,020

Retail — 3.7%
1011778 BC ULC/New Red Finance Inc.
3.88%, 01/15/28 (Call 09/15/22)^(a)		9,532		9,472,425
4.25%, 05/15/24 (Call 05/15/20)^(a)		22,247		22,334,653


Security	Par (000)		Value

Retail (continued)
4.38%, 01/15/28 (Call 11/15/22)^(a)(b)	$	11,304	$	11,330,169
5.00%, 10/15/25 (Call 10/15/20)^(a)		47,932		48,305,870
Asbury Automotive Group Inc.
4.50%, 03/01/28 (Call 03/01/23)^(a)		1,800		1,799,100
4.75%, 03/01/30 (Call 03/01/25)^(a)		6,800		6,808,500
Beacon Roofing Supply Inc., 4.88%, 11/01/25 (Call 11/01/20)^(a)(b)		20,447		19,859,149
eG Global Finance PLC
6.75%, 02/07/25 (Call 05/15/21)^(a)		13,963		13,681,559
8.50%, 10/30/25 (Call 10/30/21)^(a)		8,101		8,341,600
Ferrellgas LP/Ferrellgas Finance Corp.
6.50%, 05/01/21 (Call 03/30/20)^(b)		7,043		6,039,372
6.75%, 01/15/22 (Call 03/30/20)^(b)		7,819		6,567,960
6.75%, 06/15/23 (Call 06/15/20)^(b)		7,608		6,362,190
Golden Nugget Inc.
6.75%, 10/15/24 (Call 10/15/20)^(a)		19,815		19,462,170
8.75%, 10/01/25 (Call 10/01/20)^(a)(b)		10,066		10,091,165
JC Penney Corp. Inc.
5.88%, 07/01/23 (Call 07/01/20)^(a)		6,680		5,502,650
8.63%, 03/15/25 (Call 03/15/21)^(a)(b)		6,363		3,499,650
KFC Holding Co./Pizza Hut Holdings LLC/Taco Bell of America LLC
4.75%, 06/01/27 (Call 06/01/22)^(a)(b)		11,943		12,211,717
5.00%, 06/01/24 (Call 06/01/20)^(a)		17,365		17,595,454
5.25%, 06/01/26 (Call 06/01/21)^(a)(b)		16,889		17,311,394
L Brands Inc.
5.25%, 02/01/28^(b)		8,073		7,812,091
5.63%, 02/15/22		11,328		11,899,434
5.63%, 10/15/23		5,231		5,636,403
6.63%, 04/01/21		5,946		6,182,750
7.50%, 06/15/29 (Call 06/15/24)^(b)		7,474		7,885,070
Neiman Marcus Group Ltd. LLC/Neiman Marcus Group LLC/Mariposa Borrower/NMG
8.00%, 10/25/24 (Call 03/30/20)^(a)		9,568		2,827,852
8.75%, 10/25/24 (Call 03/30/20)^(a)(b)		5,429		1,633,548
Penske Automotive Group Inc.
5.50%, 05/15/26 (Call 05/15/21)^(b)		6,761		6,988,248
5.75%, 10/01/22 (Call 10/01/20)^(b)		7,191		7,287,180
PetSmart Inc.
5.88%, 06/01/25 (Call 06/01/20)^(a)		21,001		21,133,306
7.13%, 03/15/23 (Call 03/15/20)^(a)		28,056		27,459,810
8.88%, 06/01/25 (Call 06/01/20)^(a)		9,578		9,563,872
QVC Inc.
4.38%, 03/15/23		12,148		12,626,428
4.45%, 02/15/25 (Call 11/15/24)		9,613		9,823,885
4.75%, 02/15/27 (Call 11/15/26)		8,490		8,372,413
4.85%, 04/01/24		10,295		10,798,855
5.13%, 07/02/22		6,054		6,387,071
Rite Aid Corp.
6.13%, 04/01/23 (Call 04/01/20)^(a)		21,699		19,881,709
7.50%, 07/01/25 (Call 07/01/22)^(a)		6,980		6,982,909
Staples Inc.
7.50%, 04/15/26 (Call 04/15/22)^(a)(b)		28,802		28,774,998
10.75%, 04/15/27 (Call 04/15/22)^(a)(b)		15,742		15,318,934
Suburban Propane Partners LP/Suburban Energy Finance Corp., 5.50%, 06/01/24 (Call 06/01/20)^(b)		6,786		6,718,140
Yum! Brands Inc., 4.75%, 01/15/30 (Call 10/15/29)^(a)(b)		12,373		12,838,349

				501,410,002


Security	Par (000)		Value

Semiconductors — 0.2%
Qorvo Inc.
4.38%, 10/15/29 (Call 10/15/24)^(a)(b)	$	7,945	$	8,183,747
5.50%, 07/15/26 (Call 07/15/21)^(b)		12,015		12,437,568
Sensata Technologies UK Financing Co. PLC, 6.25%, 02/15/26 (Call 02/15/21)^(a)(b)		9,717		10,149,406

				30,770,721

Software — 2.5%
CDK Global Inc.
4.88%, 06/01/27 (Call 06/01/22)		8,969		9,242,555
5.00%, 10/15/24 (Call 07/15/24)^(b)		6,183		6,725,249
5.25%, 05/15/29 (Call 05/15/24)^(a)(b)		7,632		8,086,257
5.88%, 06/15/26 (Call 06/15/21)^(b)		6,721		7,023,445
Change Healthcare Holdings LLC/Change Healthcare Finance Inc., 5.75%, 03/01/25 (Call 03/01/20)^(a)(b)		15,828		16,006,065
Dun & Bradstreet Corp./The
6.88%, 08/15/26 (Call 02/15/22)^(a)(b)		9,699		10,396,164
10.25%, 02/15/27 (Call 02/15/22)^(a)(b)		9,994		11,249,746
Infor U.S. Inc., 6.50%, 05/15/22 (Call 05/15/20)		24,504		24,597,115
IQVIA Inc.
5.00%, 10/15/26 (Call 10/15/21)^(a)(b)		15,020		15,612,634
5.00%, 05/15/27 (Call 05/15/22)^(a)(b)		16,283		16,832,551
MSCI Inc.
3.63%, 09/01/30 (Call 03/01/25)^(a)		4,115		4,120,144
4.00%, 11/15/29 (Call 11/15/24)^(a)(b)		14,020		14,545,750
4.75%, 08/01/26 (Call 08/01/21)^(a)(b)		6,474		6,722,990
5.38%, 05/15/27 (Call 05/15/22)^(a)		5,277		5,646,390
5.75%, 08/15/25 (Call 08/15/20)^(a)		11,013		11,440,965
Open Text Corp.
3.88%, 02/15/28 (Call 02/15/23)^(a)		6,540		6,458,250
5.63%, 01/15/23 (Call 01/15/21)^(a)		12,163		12,322,943
5.88%, 06/01/26 (Call 06/01/21)^(a)(b)		18,554		19,644,048
Open Text Holdings Inc., 4.13%, 02/15/30 (Call 02/15/25)^(a)(b)		14,540		14,467,300
PTC Inc.
3.63%, 02/15/25 (Call 02/15/22)^(a)		8,225		8,245,563
4.00%, 02/15/28 (Call 02/15/23)^(a)		1,080		1,077,300
Rackspace Hosting Inc., 8.63%, 11/15/24 (Call 11/15/20)^(a)(b)		19,003		18,231,003
Solera LLC/Solera Finance Inc., 10.50%, 03/01/24 (Call 03/01/20)^(a)(b)		32,506		34,366,968
SS&C Technologies Inc., 5.50%, 09/30/27 (Call 03/30/22)^(a)(b)		30,568		32,087,230
Veritas U.S. Inc./Veritas Bermuda Ltd.
7.50%, 02/01/23 (Call 02/01/21)^(a)(b)		5,189		5,024,681
10.50%, 02/01/24 (Call 02/01/21)^(a)(b)		11,978		10,331,025

				330,504,331

Telecommunications — 10.5%
Altice France SA/France
5.50%, 01/15/28 (Call 09/15/22)^(a)(b)		16,500		16,530,937
7.38%, 05/01/26 (Call 05/01/21)^(a)		76,978		81,115,567
8.13%, 02/01/27 (Call 02/01/22)^(a)(b)		26,828		29,393,427
CenturyLink Inc.
4.00%, 02/15/27 (Call 02/15/23)^(a)(b)		18,908		19,073,899
5.13%, 12/15/26 (Call 12/15/22)^(a)(b)		22,886		23,114,860
5.63%, 04/01/25 (Call 01/01/25)		6,202		6,481,090
Series S, 6.45%, 06/15/21		18,059		18,724,055
Series T, 5.80%, 03/15/22^(b)		19,916		20,768,106
Series W, 6.75%, 12/01/23		9,881		10,866,235
Series Y, 7.50%, 04/01/24 (Call 01/01/24)^(b)		13,347		14,911,402


Security	Par (000)		Value

Telecommunications (continued)
Cincinnati Bell Inc., 7.00%, 07/15/24 (Call 09/15/20)^(a)(b)	$	9,615	$	10,110,812
CommScope Inc.
5.00%, 06/15/21 (Call 03/10/20)^(a)		52		52,000
5.50%, 03/01/24 (Call 03/01/21)^(a)(b)		17,282		17,586,163
5.50%, 06/15/24 (Call 06/15/20)^(a)		9,322		8,856,832
6.00%, 03/01/26 (Call 03/01/22)^(a)(b)		22,138		22,886,264
8.25%, 03/01/27 (Call 03/01/22)^(a)(b)		15,171		15,246,855
CommScope Technologies LLC
5.00%, 03/15/27 (Call 03/15/22)^(a)(b)		11,550		10,395,000
6.00%, 06/15/25 (Call 06/15/20)^(a)(b)		22,171		20,785,312
Connect Finco SARL/Connect U.S. Finco LLC, 6.75%, 10/01/26 (Call 10/01/22)^(a)		30,261		30,705,837
Front Range BidCo Inc.
4.00%, 03/01/27 (Call 03/01/21)^(a)		31,165		30,502,744
6.13%, 03/01/28 (Call 03/01/23)^(a)		8,110		8,010,247
Frontier Communications Corp.
6.88%, 01/15/25 (Call 10/15/24)		11,382		5,356,654
7.13%, 01/15/23		12,244		5,724,070
7.63%, 04/15/24		10,341		4,709,033
8.00%, 04/01/27 (Call 04/01/22)^(a)		23,990		24,949,600
8.50%, 04/01/26 (Call 04/01/21)^(a)(b)		22,792		23,076,900
8.75%, 04/15/22		7,450		3,428,467
10.50%, 09/15/22 (Call 06/15/22)		32,194		14,728,755
11.00%, 09/15/25 (Call 06/15/25)		52,522		23,894,884
Hughes Satellite Systems Corp.
5.25%, 08/01/26^(b)		11,783		12,917,114
6.63%, 08/01/26^(b)		11,894		13,126,813
7.63%, 06/15/21		11,478		12,114,455
Intelsat Connect Finance SA, 9.50%, 02/15/23 (Call 08/15/20)^(a)		18,430		10,919,775
Intelsat Jackson Holdings SA
5.50%, 08/01/23 (Call 08/01/20)^(b)		29,735		25,720,775
8.00%, 02/15/24 (Call 02/15/21)^(a)		19,120		19,598,000
8.50%, 10/15/24 (Call 10/15/20)^(a)		44,020		38,700,623
9.50%, 09/30/22^(a)(b)		6,972		7,902,135
9.75%, 07/15/25 (Call 07/15/21)^(a)		28,159		24,984,073
Intelsat Luxembourg SA, 8.13%, 06/01/23 (Call 06/01/20)^(b)		13,804		5,573,365
Intrado Corp., 8.50%, 10/15/25 (Call 10/15/20)^(a)(b)		16,953		11,697,570
Koninklijke KPN NV, 7.00%, 03/28/73 (Call 03/28/23)^(a)(c)		11,974		12,961,855
Level 3 Financing Inc.
4.63%, 09/15/27 (Call 09/15/22)^(a)(b)		16,324		16,609,670
5.13%, 05/01/23 (Call 05/01/20)^(b)		9,417		9,440,543
5.25%, 03/15/26 (Call 03/15/21)^(b)		9,826		10,096,215
5.38%, 08/15/22 (Call 03/30/20)		13,493		13,559,520
5.38%, 01/15/24 (Call 01/15/21)		11,986		12,000,982
5.38%, 05/01/25 (Call 05/01/20)^(b)		10,683		10,932,382
5.63%, 02/01/23 (Call 03/30/20)^(b)		8,857		8,890,214
Nokia OYJ
3.38%, 06/12/22^(b)		5,476		5,478,738
4.38%, 06/12/27^(b)		7,244		7,648,157
Qwest Corp., 6.75%, 12/01/21^(b)		12,320		13,028,400
Sprint Communications Inc.
6.00%, 11/15/22		34,552		37,060,475
11.50%, 11/15/21		15,488		17,695,040
Sprint Corp.
7.13%, 06/15/24		36,624		41,689,557
7.25%, 09/15/21		33,285		35,242,105


Security	Par/ Shares (000)		Value

Telecommunications (continued)
7.25%, 02/01/28 (Call 10/01/27)^(a)(b)	$	11,200	$	11,240,880
7.63%, 02/15/25 (Call 11/15/24)		25,438		29,490,591
7.63%, 03/01/26 (Call 11/01/25)		24,623		29,063,389
7.88%, 09/15/23		62,642		71,568,485
Telecom Italia SpA/Milano, 5.30%, 05/30/24^(a)		24,699		26,374,005
Telefonaktiebolaget LM Ericsson, 4.13%, 05/15/22^(b)		12,772		13,180,704
T-Mobile USA Inc.
4.00%, 04/15/22 (Call 03/16/22)		7,163		7,308,925
4.50%, 02/01/26 (Call 02/01/21)		14,586		14,829,569
4.75%, 02/01/28 (Call 02/01/23)		22,213		23,143,169
5.13%, 04/15/25 (Call 04/15/20)		8,113		8,351,279
5.38%, 04/15/27 (Call 04/15/22)		7,908		8,343,558
6.00%, 03/01/23 (Call 09/01/20)		18,229		18,456,862
6.00%, 04/15/24 (Call 04/15/20)		14,232		14,530,160
6.38%, 03/01/25 (Call 09/01/20)		25,547		26,313,410
6.50%, 01/15/24 (Call 01/15/21)^(b)		14,954		15,295,400
6.50%, 01/15/26 (Call 01/15/21)		29,673		31,238,251
ViaSat Inc.
5.63%, 09/15/25 (Call 09/15/20)^(a)(b)		10,776		10,650,190
5.63%, 04/15/27 (Call 04/15/22)^(a)(b)		8,276		8,400,140
Vodafone Group PLC, 7.00%, 04/04/79 (Call 01/04/29)^(b)(c)		29,865		34,494,075
Ypso Finance Bis SA
6.00%, 02/15/28 (Call 02/15/23)^(a)(b)		18,360		17,631,108
10.50%, 05/15/27^(a)		33,439		37,953,265

				1,415,431,973

Toys, Games & Hobbies — 0.2%
Mattel Inc.
5.88%, 12/15/27 (Call 12/15/22)^(a)(b)		8,252		8,629,529
6.75%, 12/31/25 (Call 12/31/20)^(a)(b)		22,750		23,909,113

				32,538,642

Transportation — 0.3%
Navios Maritime Holdings Inc./Navios Maritime Finance II U.S. Inc., 7.38%, 01/15/22 (Call 01/15/21)^(a)		8,927		4,485,818
XPO Logistics Inc.
6.13%, 09/01/23 (Call 09/01/20)^(a)(b)		8,675		8,858,042
6.50%, 06/15/22 (Call 06/15/20)^(a)(b)		18,415		18,461,037
6.75%, 08/15/24 (Call 08/15/21)^(a)(b)		13,611		14,376,619

				46,181,516

Trucking & Leasing — 0.2%
AerCap Global Aviation Trust, 6.50%, 06/15/45 (Call 06/15/25)^(a)(b)(c)		8,446		9,058,335
Fortress Transportation & Infrastructure Investors LLC
6.50%, 10/01/25 (Call 10/01/21)^(a)		6,146		6,465,643
6.75%, 03/15/22 (Call 03/15/20)^(a)		9,228		9,251,331

				24,775,309


Total Corporate Bonds & Notes — 97.6% (Cost: $13,718,354,088)				13,141,749,386


Short-Term Investments

Money Market Funds — 17.5%
BlackRock Cash Funds: Institutional, SL Agency Shares, 1.74%^(f)(g)(h)		2,092,281		2,093,745,759


Security	Shares (000)		Value

Money Market Funds (continued)
BlackRock Cash Funds: Treasury, SL Agency Shares, 1.52%^(f)(g)		256,613	$	256,613,000

				2,350,358,759


Total Short-Term Investments — 17.5% (Cost: $ 2,348,894,162)				2,350,358,759


Total Investments in Securities — 115.1% (Cost: $ 16,067,248,250)				15,492,108,145

Other Assets, Less Liabilities — (15.1)%				(2,035,808,631	)


Net Assets — 100.0%			$	13,456,299,514

^(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.

Investments in issuers considered to be affiliates of the Fund during the year ended February 29, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

The following table summarizes the value of the Fund’s investments according to the fair value hierarchy as of February 29, 2020. The breakdown of the Fund’s investments into major categories is disclosed in the Schedule of Investments above.


Security	Par (000)		Value

Corporate Bonds & Notes

Advertising — 0.1%
Omnicom Group Inc./Omnicom Capital Inc.
3.60%, 04/15/26 (Call 01/15/26)^(a)	$	13,954	$	15,278,313
3.65%, 11/01/24 (Call 08/01/24)^(a)		10,689		11,647,703

				26,926,016

Aerospace & Defense — 1.7%
Boeing Co. (The)
2.70%, 02/01/27 (Call 12/01/26)^(a)		10,182		10,526,496
2.95%, 02/01/30 (Call 11/01/29)^(a)		9,051		9,499,292
3.20%, 03/01/29 (Call 12/01/28)^(a)		11,096		11,832,252
3.25%, 02/01/35 (Call 11/01/34)^(a)		9,227		9,831,840
3.60%, 05/01/34 (Call 02/01/34)		10,800		11,993,332
3.75%, 02/01/50 (Call 08/01/49)^(a)		12,394		13,645,095
3.90%, 05/01/49 (Call 11/01/48)^(a)		6,548		7,349,896
3.95%, 08/01/59 (Call 02/01/59)^(a)		9,869		10,956,860
General Dynamics Corp.
3.38%, 05/15/23 (Call 04/15/23)^(a)		8,006		8,514,383
3.50%, 05/15/25 (Call 03/15/25)^(a)		8,475		9,289,715
3.75%, 05/15/28 (Call 02/15/28)^(a)		6,110		6,925,358
L3Harris Technologies Inc.
4.40%, 06/15/28 (Call 03/15/28)		7,372		8,531,344
4.40%, 06/15/28 (Call 03/15/28)^(b)		8,876		10,271,868
Lockheed Martin Corp.
2.90%, 03/01/25 (Call 12/01/24)^(a)		2,873		3,066,915
3.55%, 01/15/26 (Call 10/15/25)^(a)		17,536		19,442,012
3.80%, 03/01/45 (Call 09/01/44)		9,955		11,836,116
4.07%, 12/15/42^(a)		15,339		18,716,884
4.09%, 09/15/52 (Call 03/15/52)^(a)		15,713		20,030,351
4.70%, 05/15/46 (Call 11/15/45)^(a)		14,332		19,270,384
Northrop Grumman Corp.
2.93%, 01/15/25 (Call 11/15/24)^(a)		21,064		22,284,090
3.20%, 02/01/27 (Call 11/01/26)^(a)		3,960		4,245,758
3.25%, 08/01/23^(a)		3,517		3,738,521
3.25%, 01/15/28 (Call 10/15/27)^(a)		30,140		32,474,177
4.03%, 10/15/47 (Call 04/15/47)^(a)		21,374		25,531,974
4.75%, 06/01/43		9,291		11,919,025
Rockwell Collins Inc.
3.20%, 03/15/24 (Call 01/15/24)		6,771		7,243,928
3.50%, 03/15/27 (Call 12/15/26)^(a)		10,983		12,217,735
4.35%, 04/15/47 (Call 10/15/46)^(a)		10,078		12,943,310
United Technologies Corp.
3.13%, 05/04/27 (Call 02/04/27)^(a)		11,368		12,367,049
3.65%, 08/16/23 (Call 07/16/23)		18,013		19,465,450
3.75%, 11/01/46 (Call 05/01/46)		10,140		11,834,436
3.95%, 08/16/25 (Call 06/16/25)^(a)		14,951		16,709,088
4.13%, 11/16/28 (Call 08/16/28)^(a)		31,666		37,022,883
4.15%, 05/15/45 (Call 11/16/44)		6,600		8,131,107
4.45%, 11/16/38 (Call 05/16/38)^(a)		7,980		10,027,621
4.50%, 06/01/42		37,771		48,473,613
4.63%, 11/16/48 (Call 05/16/48)		19,118		25,632,380
5.70%, 04/15/40		11,845		17,282,595
6.13%, 07/15/38^(a)		12,147		18,004,014

				579,079,147

Agriculture — 1.6%
Altria Group Inc.
3.80%, 02/14/24 (Call 01/14/24)^(a)		10,845		11,642,867
3.88%, 09/16/46 (Call 03/16/46)^(a)		14,427		14,073,364
4.00%, 01/31/24^(a)		14,829		16,016,745
4.25%, 08/09/42		8,077		8,291,020


Security	Par (000)		Value

Agriculture (continued)
4.40%, 02/14/26 (Call 12/14/25)^(a)	$	17,011	$	19,011,431
4.80%, 02/14/29 (Call 11/14/28)		33,174		37,835,574
5.38%, 01/31/44^(a)		18,144		21,372,611
5.80%, 02/14/39 (Call 08/14/38)		20,409		25,072,650
5.95%, 02/14/49 (Call 08/14/48)^(a)		26,021		33,030,925
AgricultureArcher-Daniels-Midland Co., 2.50%, 08/11/26 (Call 05/11/26)^(a)		11,527		11,999,766
BAT Capital Corp.
2.79%, 09/06/24 (Call 08/06/24)^(a)		10,800		11,166,002
3.22%, 08/15/24 (Call 06/15/24)		23,260		24,408,497
3.22%, 09/06/26 (Call 07/06/26)^(a)		8,510		8,910,842
3.56%, 08/15/27 (Call 05/15/27)^(a)		35,857		37,657,882
4.39%, 08/15/37 (Call 02/15/37)^(a)		25,090		26,529,253
4.54%, 08/15/47 (Call 02/15/47)		26,046		27,116,066
4.76%, 09/06/49 (Call 03/06/49)^(a)		11,099		11,961,559
Philip Morris International Inc.
2.75%, 02/25/26 (Call 11/25/25)^(a)		9,021		9,497,142
2.88%, 05/01/24 (Call 04/01/24)		13,224		13,891,545
3.25%, 11/10/24^(a)		5,404		5,772,478
3.38%, 08/11/25 (Call 05/11/25)^(a)		5,669		6,147,811
3.38%, 08/15/29 (Call 05/15/29)^(a)		8,919		9,715,501
3.88%, 08/21/42^(a)		7,658		8,385,970
4.13%, 03/04/43		9,035		10,240,700
4.25%, 11/10/44		13,062		15,120,791
4.38%, 11/15/41		6,778		7,854,105
4.88%, 11/15/43^(a)		6,069		7,524,644
6.38%, 05/16/38^(a)		16,265		23,365,417
Reynolds American Inc.
4.45%, 06/12/25 (Call 03/12/25)^(a)		35,180		38,999,809
5.70%, 08/15/35 (Call 02/15/35)		8,052		9,772,200
5.85%, 08/15/45 (Call 02/15/45)^(a)		23,183		27,686,771

				540,071,938

Airlines — 0.0%
AirlinesDelta Air Lines Inc., 2.90%, 10/28/24 (Call 09/28/24)^(a)		5,152		5,273,052


Apparel — 0.1%
NIKE Inc.
2.38%, 11/01/26 (Call 08/01/26)^(a)		11,058		11,647,736
3.88%, 11/01/45 (Call 05/01/45)^(a)		8,986		11,019,167

				22,666,903

Auto Manufacturers — 1.5%
Auto ManufacturersAmerican Honda Finance Corp., 2.15%, 09/10/24^(a)		1,202		1,230,183
Auto ManufacturersDaimler Finance North America LLC, 8.50%, 01/18/31		14,278		21,769,447
Ford Motor Co.
4.35%, 12/08/26 (Call 09/08/26)^(a)		12,837		12,905,365
4.75%, 01/15/43^(a)		20,443		17,976,292
5.29%, 12/08/46 (Call 06/08/46)^(a)		13,880		12,728,038
7.45%, 07/16/31		19,258		21,830,499
Ford Motor Credit Co. LLC
3.10%, 05/04/23		9,080		9,082,979
3.66%, 09/08/24		12,544		12,447,534
3.81%, 01/09/24 (Call 11/09/23)		9,586		9,746,384
3.82%, 11/02/27 (Call 08/02/27)^(a)		10,605		10,076,122
4.06%, 11/01/24 (Call 10/01/24)		6,288		6,380,024
4.13%, 08/04/25^(a)		18,892		19,105,591
4.14%, 02/15/23 (Call 01/15/23)		7,455		7,684,640
4.27%, 01/09/27 (Call 11/09/26)^(a)		4,650		4,599,836


Security	Par (000)		Value

Auto Manufacturers (continued)
4.38%, 08/06/23	$	6,679	$	6,929,092
4.39%, 01/08/26^(a)		16,817		16,986,016
4.54%, 08/01/26 (Call 06/01/26)		656		663,946
5.11%, 05/03/29 (Call 02/03/29)^(a)		17,766		17,893,697
5.58%, 03/18/24 (Call 02/18/24)^(a)		17,074		18,332,854
General Motors Co.
4.20%, 10/01/27 (Call 07/01/27)^(a)		9,130		9,621,053
4.88%, 10/02/23		3,645		3,965,297
5.00%, 10/01/28 (Call 07/01/28)^(a)		7,497		8,228,389
5.00%, 04/01/35		7,654		8,196,793
5.15%, 04/01/38 (Call 10/01/37)^(a)		9,828		10,193,161
5.20%, 04/01/45		13,381		13,362,267
5.40%, 04/01/48 (Call 10/01/47)^(a)		6,683		6,846,523
5.95%, 04/01/49 (Call 10/01/48)^(a)		10,108		11,013,440
6.25%, 10/02/43^(a)		15,687		17,651,361
6.60%, 04/01/36 (Call 10/01/35)^(a)		12,441		14,833,898
6.75%, 04/01/46 (Call 10/01/45)^(a)		7,555		8,933,840
General Motors Financial Co. Inc.
2.90%, 02/26/25 (Call 01/26/25)^(a)		6,530		6,599,027
3.50%, 11/07/24 (Call 09/07/24)^(a)		11,409		12,009,387
3.70%, 05/09/23 (Call 03/09/23)		6,412		6,727,134
3.95%, 04/13/24 (Call 02/13/24)^(a)		11,344		12,101,818
4.00%, 01/15/25 (Call 10/15/24)		14,433		15,337,124
4.00%, 10/06/26 (Call 07/06/26)^(a)		9,754		10,306,707
4.15%, 06/19/23 (Call 05/19/23)^(a)		7,810		8,271,204
4.30%, 07/13/25 (Call 04/13/25)^(a)		9,659		10,378,108
4.35%, 04/09/25 (Call 02/09/25)		12,873		13,851,867
4.35%, 01/17/27 (Call 10/17/26)^(a)		12,869		13,883,708
5.10%, 01/17/24 (Call 12/17/23)		10,505		11,516,826
5.25%, 03/01/26 (Call 12/01/25)^(a)		16,971		18,972,865
Auto ManufacturersToyota Motor Corp., 3.42%, 07/20/23^(a)		3,618		3,858,876
Toyota Motor Credit Corp.
2.15%, 02/13/30		10,000		10,110,557
3.20%, 01/11/27^(a)		5,460		5,951,904
3.45%, 09/20/23		7,222		7,727,548

				508,819,221

Banks — 24.2%
BanksAustralia & New Zealand Banking Group Ltd./New York NY, 3.70%, 11/16/25^(a)		11,427		12,739,671
Banco Santander SA
2.71%, 06/27/24		11,790		12,266,882
3.31%, 06/27/29^(a)		12,478		13,440,464
3.80%, 02/23/28		10,919		11,917,478
3.85%, 04/12/23		14,125		15,052,250
4.25%, 04/11/27^(a)		10,452		11,724,097
4.38%, 04/12/28^(a)		10,707		12,243,101
Bank of America Corp.
2.02%, 02/13/26 (Call 02/13/25)^(c)		10,000		10,062,625
2.46%, 10/22/25 (Call 10/22/24)^(c)		15,710		16,135,721
2.50%, 02/13/31 (Call 02/13/30)^(c)		12,000		12,192,005
2.88%, 10/22/30 (Call 10/22/29)^(c)		21,515		22,538,860
3.09%, 10/01/25 (Call 10/01/24)^(a)(c)		21,434		22,604,927
3.19%, 07/23/30 (Call 07/23/29)^(c)		26,290		28,222,914
3.25%, 10/21/27 (Call 10/21/26)		17,189		18,449,579
3.37%, 01/23/26 (Call 01/23/25)^(c)		24,127		25,787,017
3.42%, 12/20/28 (Call 12/20/27)^(a)(c)		59,001		63,845,183
3.46%, 03/15/25 (Call 03/15/24)^(a)(c)		27,640		29,383,680
3.50%, 04/19/26^(a)		26,734		29,222,596
3.55%, 03/05/24 (Call 03/05/23)^(a)(c)		10,729		11,308,680


Security	Par (000)		Value

Banks (continued)
3.56%, 04/23/27 (Call 04/23/26)^(a)(c)	$	30,240	$	32,793,568
3.59%, 07/21/28 (Call 07/21/27)^(c)		20,201		22,050,874
3.71%, 04/24/28 (Call 04/24/27)^(a)(c)		20,245		22,246,145
3.82%, 01/20/28 (Call 01/20/27)^(a)(c)		22,617		24,937,968
3.86%, 07/23/24 (Call 07/23/23)^(c)		19,406		20,747,143
3.88%, 08/01/25^(a)		18,209		20,136,954
3.95%, 01/23/49 (Call 01/23/48)^(c)		11,400		13,740,413
3.97%, 03/05/29 (Call 03/05/28)^(a)(c)		30,872		34,703,169
3.97%, 02/07/30 (Call 02/07/29)^(a)(c)		31,767		35,934,243
4.00%, 04/01/24^(a)		21,812		23,721,403
4.00%, 01/22/25^(a)		25,192		27,466,059
4.08%, 04/23/40 (Call 04/23/39)^(a)(c)		14,975		17,821,027
4.10%, 07/24/23		11,980		12,982,520
4.13%, 01/22/24^(a)		23,141		25,233,888
4.20%, 08/26/24^(a)		19,988		21,858,463
4.24%, 04/24/38 (Call 04/24/37)^(a)(c)		19,658		23,730,475
4.25%, 10/22/26^(a)		13,696		15,410,732
4.27%, 07/23/29 (Call 07/23/28)^(a)(c)		31,716		36,445,959
4.33%, 03/15/50 (Call 03/15/49)^(a)(c)		25,741		32,804,845
4.44%, 01/20/48 (Call 01/20/47)^(a)(c)		20,813		26,831,279
4.45%, 03/03/26^(a)		20,508		23,182,912
5.00%, 01/21/44		20,952		28,347,989
5.88%, 02/07/42^(a)		16,416		24,199,453
6.11%, 01/29/37^(a)		19,582		27,545,813
7.75%, 05/14/38^(a)		16,640		27,126,520
Series L, 3.95%, 04/21/25^(a)		27,721		30,253,970
Series L, 4.18%, 11/25/27 (Call 11/25/26)^(a)		12,874		14,325,567
BanksBank of America N.A., 6.00%, 10/15/36		7,279		10,286,564
Bank of Montreal
2.50%, 06/28/24^(a)		11,721		12,160,178
Series E, 3.30%, 02/05/24^(a)		10,220		10,872,861
Bank of New York Mellon Corp. (The)
2.10%, 10/24/24^(a)		6,496		6,654,412
2.20%, 08/16/23 (Call 06/16/23)^(a)		13,622		13,953,188
2.45%, 08/17/26 (Call 05/17/26)^(a)		13,023		13,654,480
2.80%, 05/04/26 (Call 02/04/26)^(a)		11,392		12,089,734
3.25%, 05/16/27 (Call 02/16/27)^(a)		5,876		6,389,201
3.30%, 08/23/29 (Call 05/23/29)^(a)		7,163		7,819,657
3.40%, 01/29/28 (Call 10/29/27)^(a)		3,132		3,447,285
3.45%, 08/11/23^(a)		11,818		12,617,326
3.50%, 04/28/23^(a)		7,837		8,360,330
3.85%, 04/28/28^(a)		39		44,823
Series 0012, 3.65%, 02/04/24 (Call 01/05/24)^(a)		8,695		9,405,510
Series G, 3.00%, 02/24/25 (Call 01/24/25)^(a)		11,873		12,695,789
Bank of Nova Scotia (The)
2.20%, 02/03/25^(a)		17,180		17,504,413
2.70%, 08/03/26^(a)		18,039		18,946,098
3.40%, 02/11/24		2,190		2,329,692
4.50%, 12/16/25^(a)		14,218		16,036,309
Barclays PLC
3.65%, 03/16/25		32,981		35,117,595
3.93%, 05/07/25 (Call 05/07/24)^(a)(c)		12,322		13,117,326
4.34%, 05/16/24 (Call 05/16/23)^(c)		6,561		6,987,072
4.34%, 01/10/28 (Call 01/10/27)^(a)		14,393		15,760,629
4.38%, 09/11/24^(a)		14,048		15,021,840
4.38%, 01/12/26		29,089		32,210,837
4.84%, 05/09/28 (Call 05/07/27)^(a)		14,471		15,922,417
4.95%, 01/10/47^(a)		15,704		19,409,363
4.97%, 05/16/29 (Call 05/16/28)^(a)(c)		22,451		25,951,879
5.20%, 05/12/26		17,533		19,712,306


Security	Par (000)		Value

Banks (continued)
5.25%, 08/17/45^(a)	$	16,044	$	20,205,114
BNP Paribas SA
3.25%, 03/03/23^(a)		11,175		11,751,576
4.25%, 10/15/24		7,545		8,199,944
BanksBPCE SA, 4.00%, 04/15/24^(a)		10,108		11,050,640
Canadian Imperial Bank of Commerce
2.25%, 01/28/25^(a)		3,740		3,804,801
3.10%, 04/02/24		11,740		12,389,358
3.50%, 09/13/23		13,826		14,836,253
BanksCitibank N.A., 3.65%, 01/23/24 (Call 12/23/23)^(a)		24,994		26,882,252
Citigroup Inc.
2.67%, 01/29/31 (Call 01/29/30)^(c)		2,555		2,614,554
2.98%, 11/05/30 (Call 11/05/29)^(c)		18,351		19,262,263
3.20%, 10/21/26 (Call 07/21/26)^(a)		36,799		39,430,232
3.30%, 04/27/25^(a)		23,974		25,775,485
3.35%, 04/24/25 (Call 04/24/24)^(a)(c)		24,681		26,126,428
3.40%, 05/01/26^(a)		23,632		25,613,186
3.50%, 05/15/23^(a)		7,590		8,006,067
3.52%, 10/27/28 (Call 10/27/27)^(c)		25,238		27,477,115
3.67%, 07/24/28 (Call 07/24/27)^(a)(c)		30,249		33,203,217
3.70%, 01/12/26^(a)		22,982		25,227,479
3.88%, 10/25/23^(a)		13,349		14,408,465
3.88%, 03/26/25		17,421		18,905,870
3.88%, 01/24/39 (Call 01/24/38)^(a)(c)		14,558		16,949,766
3.89%, 01/10/28 (Call 01/10/27)^(c)		34,053		37,720,334
3.98%, 03/20/30 (Call 03/20/29)^(a)(c)		26,744		30,210,057
4.00%, 08/05/24^(a)		8,982		9,751,966
4.04%, 06/01/24 (Call 06/01/23)^(c)		4,927		5,272,533
4.08%, 04/23/29 (Call 04/23/28)^(a)(c)		11,122		12,588,611
4.13%, 07/25/28^(a)		20,018		22,237,342
4.28%, 04/24/48 (Call 04/24/47)^(a)(c)		13,215		16,526,001
4.30%, 11/20/26^(a)		9,155		10,143,106
4.40%, 06/10/25^(a)		31,834		35,444,720
4.45%, 09/29/27		32,856		37,086,947
4.60%, 03/09/26^(a)		18,809		21,327,136
4.65%, 07/30/45^(a)		13,896		18,065,717
4.65%, 07/23/48 (Call 06/23/48)		28,818		38,134,744
4.75%, 05/18/46^(a)		19,251		24,303,764
5.30%, 05/06/44		6,608		8,849,601
5.50%, 09/13/25^(a)		17,459		20,497,985
5.88%, 01/30/42^(a)		12,336		18,203,643
6.63%, 06/15/32^(a)		12,138		17,043,391
6.68%, 09/13/43^(a)		10,029		15,528,560
8.13%, 07/15/39^(a)		17,815		31,074,068
BanksCitizens Financial Group Inc., 4.30%, 12/03/25 (Call 11/03/25)		9,843		11,033,959
Cooperatieve Rabobank UA
3.75%, 07/21/26^(a)		16,454		17,795,294
4.38%, 08/04/25		17,492		19,388,860
4.63%, 12/01/23^(a)		7,787		8,534,048
5.25%, 05/24/41^(a)		17,620		25,226,684
5.25%, 08/04/45^(a)		12,022		16,150,667
5.75%, 12/01/43^(a)		12,747		17,856,022
BanksCooperatieve Rabobank UA/NY, 3.38%, 05/21/25		14,714		16,053,117
BanksCredit Suisse AG/New York NY, 3.63%, 09/09/24		35,886		38,592,992
Credit Suisse Group Funding Guernsey Ltd.
3.75%, 03/26/25^(a)		24,862		26,856,370
3.80%, 06/09/23^(a)		19,058		20,231,655
4.55%, 04/17/26		14,206		16,022,641


Security	Par (000)		Value

Banks (continued)
4.88%, 05/15/45^(a)	$	20,580	$	26,738,530
BanksDeutsche Bank AG/London, 3.70%, 05/30/24^(a)		5,491		5,763,427
Deutsche Bank AG/New York NY
3.70%, 05/30/24^(a)		12,714		13,259,670
3.95%, 02/27/23		8,557		8,915,857
3.96%, 11/26/25 (Call 11/26/24)^(c)		18,218		19,171,135
Discover Bank
2.45%, 09/12/24 (Call 08/12/24)^(a)		7,252		7,418,985
3.35%, 02/06/23 (Call 01/06/23)		4,183		4,379,104
3.45%, 07/27/26 (Call 04/27/26)^(a)		10,742		11,512,611
4.20%, 08/08/23^(a)		3,861		4,165,316
4.65%, 09/13/28 (Call 06/13/28)^(a)		9,902		11,490,902
Fifth Third Bancorp.
2.38%, 01/28/25 (Call 12/28/24)^(a)		11,681		12,003,418
3.65%, 01/25/24 (Call 12/25/23)		13,445		14,421,941
4.30%, 01/16/24 (Call 12/16/23)^(a)		9,457		10,267,936
8.25%, 03/01/38		11,352		18,857,257
Fifth Third Bank/Cincinnati OH
3.85%, 03/15/26 (Call 02/15/26)^(a)		2,104		2,321,187
3.95%, 07/28/25 (Call 06/28/25)^(a)		6,955		7,789,415
Goldman Sachs Group Inc. (The)
3.27%, 09/29/25 (Call 09/29/24)^(a)(c)		30,020		31,805,322
3.50%, 01/23/25 (Call 10/23/24)		31,841		34,127,910
3.50%, 11/16/26 (Call 11/16/25)^(a)		26,116		28,117,196
3.63%, 02/20/24 (Call 01/20/24)^(a)		16,099		17,184,589
3.69%, 06/05/28 (Call 06/05/27)^(a)(c)		30,914		33,818,516
3.75%, 05/22/25 (Call 02/22/25)		30,790		33,438,953
3.75%, 02/25/26 (Call 11/25/25)^(a)		20,902		22,886,764
3.81%, 04/23/29 (Call 04/23/28)^(a)(c)		26,104		28,826,757
3.85%, 07/08/24 (Call 04/08/24)^(a)		25,593		27,630,981
3.85%, 01/26/27 (Call 01/26/26)		31,280		34,317,335
4.00%, 03/03/24^(a)		26,126		28,394,565
4.02%, 10/31/38 (Call 10/31/37)^(c)		26,625		30,502,117
4.22%, 05/01/29 (Call 05/01/28)^(c)		40,165		45,570,072
4.25%, 10/21/25^(a)		24,331		26,653,881
4.41%, 04/23/39 (Call 04/23/38)^(c)		15,947		19,093,343
4.75%, 10/21/45 (Call 04/21/45)		19,223		24,807,989
4.80%, 07/08/44 (Call 01/08/44)		19,829		25,195,324
5.15%, 05/22/45^(a)		18,651		23,960,026
5.95%, 01/15/27		9,122		11,175,361
6.13%, 02/15/33		7,086		9,828,129
6.25%, 02/01/41		23,351		34,345,097
6.75%, 10/01/37		59,948		86,303,617
HSBC Holdings PLC
2.63%, 11/07/25 (Call 11/07/24)^(a)(c)		16,035		16,383,687
3.60%, 05/25/23^(a)		18,399		19,460,490
3.80%, 03/11/25 (Call 03/11/24)^(a)(c)		17,415		18,592,625
3.90%, 05/25/26		29,596		32,328,078
3.95%, 05/18/24 (Call 05/18/23)^(a)(c)		5,118		5,440,924
3.97%, 05/22/30 (Call 05/22/29)^(c)		34,114		37,234,401
4.04%, 03/13/28 (Call 03/13/27)^(a)(c)		27,944		30,446,271
4.25%, 03/14/24^(a)		10,499		11,271,727
4.25%, 08/18/25^(a)		21,880		23,716,279
4.29%, 09/12/26 (Call 09/12/25)^(c)		23,761		26,168,165
4.30%, 03/08/26^(a)		35,626		39,621,203
4.38%, 11/23/26^(a)		16,152		17,685,834
4.58%, 06/19/29 (Call 06/19/28)^(c)		29,606		33,501,255
5.25%, 03/14/44^(a)		13,622		17,154,908
6.10%, 01/14/42		8,472		12,076,479
6.50%, 05/02/36^(a)		21,264		28,954,547


Security	Par (000)		Value

Banks (continued)
6.50%, 09/15/37	$	25,572	$	35,005,564
6.80%, 06/01/38		16,482		23,414,166
BanksHSBC USA Inc., 3.50%, 06/23/24^(a)		6,551		7,106,955
BanksHuntington Bancshares Inc./OH, 2.63%, 08/06/24 (Call 07/06/24)		12,329		12,801,045
BanksHuntington National Bank (The), 3.55%, 10/06/23 (Call 09/06/23)^(a)		6,227		6,688,853
ING Groep NV
3.55%, 04/09/24^(a)		6,429		6,864,684
3.95%, 03/29/27		15,648		17,352,666
4.05%, 04/09/29^(a)		11,440		12,989,021
4.10%, 10/02/23		8,681		9,374,615
4.55%, 10/02/28^(a)		17,170		20,122,929
JPMorgan Chase & Co.
2.30%, 10/15/25 (Call 10/15/24)^(c)		21,897		22,371,348
2.70%, 05/18/23 (Call 03/18/23)^(a)		13,704		14,174,894
2.74%, 10/15/30 (Call 10/15/29)^(a)(c)		42,989		44,740,772
2.95%, 10/01/26 (Call 07/01/26)		35,670		38,009,738
3.13%, 01/23/25 (Call 10/23/24)		28,825		30,690,776
3.20%, 06/15/26 (Call 03/15/26)^(a)		20,491		22,110,482
3.22%, 03/01/25 (Call 03/01/24)^(c)		23,971		25,333,670
3.30%, 04/01/26 (Call 01/01/26)^(a)		27,261		29,550,515
3.38%, 05/01/23		21,196		22,266,722
3.51%, 01/23/29 (Call 01/23/28)^(a)(c)		28,411		30,971,019
3.54%, 05/01/28 (Call 05/01/27)^(a)(c)		25,857		28,377,080
3.56%, 04/23/24 (Call 04/23/23)^(a)(c)		8,244		8,733,422
3.63%, 05/13/24^(a)		22,524		24,340,277
3.63%, 12/01/27 (Call 12/01/26)^(a)		5,996		6,507,184
3.70%, 05/06/30 (Call 05/06/29)^(c)		30,389		33,897,061
3.78%, 02/01/28 (Call 02/01/27)^(a)(c)		18,950		20,977,885
3.80%, 07/23/24 (Call 07/23/23)^(a)(c)		15,626		16,706,830
3.88%, 02/01/24^(a)		17,068		18,550,219
3.88%, 09/10/24		22,908		24,924,195
3.88%, 07/24/38 (Call 07/24/37)^(c)		28,220		32,252,819
3.90%, 07/15/25 (Call 04/15/25)^(a)		33,637		37,077,073
3.90%, 01/23/49 (Call 01/23/48)^(c)		18,910		22,621,027
3.96%, 01/29/27 (Call 01/29/26)^(a)(c)		26,231		29,169,276
3.96%, 11/15/48 (Call 11/15/47)^(c)		37,364		44,922,917
4.01%, 04/23/29 (Call 04/23/28)^(a)(c)		30,766		34,706,977
4.02%, 12/05/24 (Call 12/05/23)^(a)(c)		25,987		28,148,692
4.03%, 07/24/48 (Call 07/24/47)^(a)(c)		15,369		18,635,111
4.13%, 12/15/26		12,151		13,706,576
4.20%, 07/23/29 (Call 07/23/28)^(a)(c)		27,306		31,444,702
4.25%, 10/01/27		9,731		11,029,414
4.26%, 02/22/48 (Call 02/22/47)^(c)		20,459		25,734,232
4.45%, 12/05/29 (Call 12/05/28)^(c)		24,661		28,794,248
4.85%, 02/01/44^(a)		10,713		14,345,165
4.95%, 06/01/45^(a)		12,462		16,702,800
5.40%, 01/06/42		14,748		20,680,398
5.50%, 10/15/40		12,920		18,007,141
5.60%, 07/15/41^(a)		18,389		26,113,117
5.63%, 08/16/43^(a)		9,778		13,953,678
6.40%, 05/15/38^(a)		27,418		41,211,321
BanksKeyBank N.A./Cleveland OH, 3.30%, 06/01/25		7,566		8,181,196
KeyCorp.
2.25%, 04/06/27		745		763,408
2.55%, 10/01/29^(a)		8,191		8,366,326
4.10%, 04/30/28^(a)		10,535		11,994,419
Lloyds Banking Group PLC
2.44%, 02/05/26 (Call 02/05/25)^(c)		11,020		11,168,118


Security	Par (000)		Value

Banks (continued)
3.57%, 11/07/28 (Call 11/07/27)^(a)(c)	$	26,962	$	28,812,928
3.75%, 01/11/27^(a)		15,342		16,614,334
3.90%, 03/12/24^(a)		10,280		11,046,414
4.05%, 08/16/23		13,836		14,852,979
4.34%, 01/09/48^(a)		9,696		10,961,062
4.38%, 03/22/28		17,884		20,292,406
4.45%, 05/08/25^(a)		21,288		23,755,643
4.50%, 11/04/24^(a)		9,699		10,539,284
4.55%, 08/16/28^(a)		13,546		15,589,761
4.58%, 12/10/25^(a)		17,264		18,857,947
4.65%, 03/24/26^(a)		12,605		13,950,830
5.30%, 12/01/45^(a)		8,282		10,601,974
BanksManufacturers & Traders Trust Co., 2.90%, 02/06/25 (Call 01/06/25)^(a)		11,976		12,727,037
Mitsubishi UFJ Financial Group Inc.
2.19%, 02/25/25		4,500		4,548,858
2.76%, 09/13/26^(a)		16,592		17,350,543
2.80%, 07/18/24^(a)		12,530		13,031,343
3.20%, 07/18/29^(a)		21,513		23,026,048
3.29%, 07/25/27^(a)		12,287		13,231,942
3.41%, 03/07/24		17,431		18,526,812
3.46%, 03/02/23^(a)		20,374		21,522,806
3.68%, 02/22/27^(a)		12,040		13,417,547
3.74%, 03/07/29		17,935		20,035,900
3.75%, 07/18/39^(a)		17,765		20,483,741
3.76%, 07/26/23^(a)		3,331		3,562,221
3.78%, 03/02/25		6,914		7,523,444
3.85%, 03/01/26^(a)		29,935		33,610,832
3.96%, 03/02/28^(a)		9,768		11,128,425
4.05%, 09/11/28		8,950		10,340,884
Mizuho Financial Group Inc.
2.23%, 05/25/26 (Call 05/25/25)^(c)		4,690		4,743,914
2.84%, 09/13/26^(a)		13,930		14,651,680
3.15%, 07/16/30 (Call 07/16/29)^(a)(c)		8,020		8,527,164
3.17%, 09/11/27		3,314		3,583,335
3.55%, 03/05/23^(a)		4,230		4,483,110
3.92%, 09/11/24 (Call 09/11/23)^(c)		5,269		5,644,669
4.02%, 03/05/28^(a)		14,145		16,044,883
4.25%, 09/11/29 (Call 09/11/28)^(a)(c)		15,474		17,696,121
Morgan Stanley
2.70%, 01/22/31 (Call 01/22/30)^(a)(c)		29,375		30,286,218
2.72%, 07/22/25 (Call 07/22/24)^(a)(c)		24,640		25,587,250
3.13%, 07/27/26^(a)		39,126		41,686,495
3.59%, 07/22/28 (Call 07/22/27)^(a)(c)		21,374		23,383,654
3.63%, 01/20/27^(a)		28,829		31,556,235
3.70%, 10/23/24^(a)		29,533		32,059,965
3.74%, 04/24/24 (Call 04/24/23)^(c)		16,314		17,316,768
3.77%, 01/24/29 (Call 01/24/28)^(a)(c)		32,182		35,736,592
3.88%, 01/27/26^(a)		32,469		35,918,266
3.95%, 04/23/27^(a)		18,659		20,468,128
3.97%, 07/22/38 (Call 07/22/37)^(c)		20,930		24,352,204
4.00%, 07/23/25^(a)		37,609		41,754,742
4.10%, 05/22/23^(a)		17,417		18,619,647
4.30%, 01/27/45^(a)		26,593		32,979,604
4.35%, 09/08/26^(a)		21,818		24,508,519
4.38%, 01/22/47^(a)		23,291		29,525,381
4.43%, 01/23/30 (Call 01/23/29)^(a)(c)		28,346		33,057,655
4.46%, 04/22/39 (Call 04/22/38)^(a)(c)		8,639		10,636,678
5.00%, 11/24/25^(a)		21,055		24,291,777
6.38%, 07/24/42		20,736		32,096,417


Security	Par (000)		Value

Banks (continued)
7.25%, 04/01/32	$	15,826	$	23,664,162
Series F, 3.88%, 04/29/24^(a)		34,311		37,248,893
National Australia Bank Ltd./New York
2.50%, 07/12/26		16,863		17,549,134
3.38%, 01/14/26^(a)		8,363		9,098,866
3.63%, 06/20/23		7,275		7,815,757
BanksNorthern Trust Corp., 3.95%, 10/30/25		9,885		11,163,601
PNC Bank N.A.
2.70%, 10/22/29^(a)		6,712		6,969,811
2.95%, 02/23/25 (Call 01/24/25)		8,997		9,554,225
3.10%, 10/25/27 (Call 09/25/27)^(a)		13,114		14,108,206
3.25%, 06/01/25 (Call 05/02/25)^(a)		5,882		6,317,122
3.50%, 06/08/23 (Call 05/09/23)		8,235		8,765,634
3.80%, 07/25/23 (Call 06/25/23)^(a)		3,260		3,499,435
4.05%, 07/26/28^(a)		12,096		13,748,035
PNC Financial Services Group Inc. (The)
2.55%, 01/22/30 (Call 10/24/29)		22,802		23,538,149
2.60%, 07/23/26 (Call 05/23/26)^(a)		12,609		13,294,400
3.15%, 05/19/27 (Call 04/19/27)^(a)		7,915		8,498,103
3.45%, 04/23/29 (Call 01/23/29)^(a)		17,810		19,591,508
3.50%, 01/23/24 (Call 12/23/23)		6,669		7,108,258
3.90%, 04/29/24 (Call 03/29/24)		6,306		6,857,392
BanksRegions Financial Corp., 3.80%, 08/14/23 (Call 07/14/23)^(a)		7,857		8,454,698
Royal Bank of Canada
2.25%, 11/01/24^(a)		17,560		17,973,849
2.55%, 07/16/24^(a)		11,835		12,320,139
3.70%, 10/05/23		9,212		9,909,716
4.65%, 01/27/26^(a)		16,357		18,857,930
Royal Bank of Scotland Group PLC
3.88%, 09/12/23^(a)		21,801		23,192,357
4.27%, 03/22/25 (Call 03/22/24)^(a)(c)		32,184		34,662,120
4.45%, 05/08/30 (Call 05/08/29)^(a)(c)		11,499		13,082,557
4.52%, 06/25/24 (Call 06/25/23)^(c)		5,147		5,545,682
4.80%, 04/05/26		14,280		16,323,694
4.89%, 05/18/29 (Call 05/18/28)^(a)(c)		21,126		24,437,340
5.08%, 01/27/30 (Call 01/27/29)^(a)(c)		16,242		19,224,012
5.13%, 05/28/24		24,003		26,264,123
6.00%, 12/19/23		16,972		19,069,016
6.10%, 06/10/23		2,528		2,800,146
Santander Holdings USA Inc.
3.24%, 10/05/26 (Call 08/05/26)		5,301		5,525,821
3.50%, 06/07/24 (Call 05/07/24)		13,040		13,690,693
4.40%, 07/13/27 (Call 04/14/27)^(a)		14,090		15,577,168
4.50%, 07/17/25 (Call 04/17/25)^(a)		12,626		13,866,372
Santander UK Group Holdings PLC
3.82%, 11/03/28 (Call 11/03/27)^(a)(c)		13,524		14,675,287
4.80%, 11/15/24 (Call 11/15/23)^(c)		8,893		9,713,830
Santander UK PLC
2.88%, 06/18/24		7,353		7,661,819
4.00%, 03/13/24^(a)		2,214		2,405,902
State Street Corp.
2.40%, 01/24/30^(a)		3,070		3,160,547
2.65%, 05/19/26^(a)		13,731		14,455,435
3.10%, 05/15/23^(a)		11,639		12,253,652
3.30%, 12/16/24		2		2,165
3.55%, 08/18/25		16,092		17,702,505
3.70%, 11/20/23^(a)		6,575		7,174,515
Sumitomo Mitsui Financial Group Inc.
2.35%, 01/15/25		5,325		5,451,156


Security	Par (000)		Value

Banks (continued)
2.45%, 09/27/24^(a)	$	7,397	$	7,612,624
2.63%, 07/14/26^(a)		21,009		21,796,243
2.70%, 07/16/24^(a)		24,675		25,648,925
2.75%, 01/15/30		15,330		15,773,708
3.01%, 10/19/26^(a)		12,704		13,539,757
3.04%, 07/16/29^(a)		31,854		33,821,491
3.35%, 10/18/27^(a)		6,422		6,968,969
3.36%, 07/12/27		22,413		24,183,280
3.45%, 01/11/27^(a)		15,437		16,947,936
3.54%, 01/17/28^(a)		10,464		11,635,714
3.75%, 07/19/23^(a)		7,503		8,035,510
3.78%, 03/09/26^(a)		14,410		15,918,560
3.94%, 10/16/23^(a)		1,293		1,399,909
3.94%, 07/19/28^(a)		2,703		3,055,153
BanksSvenska Handelsbanken AB, 3.90%, 11/20/23		6,688		7,252,787
Toronto-Dominion Bank (The)
2.65%, 06/12/24^(a)		20,373		21,330,936
3.25%, 03/11/24		4,717		5,041,093
3.50%, 07/19/23^(a)		14,343		15,359,940
Truist Bank
2.15%, 12/06/24 (Call 11/05/24)		9,877		10,115,549
3.20%, 04/01/24 (Call 03/01/24)^(a)		11,084		11,762,105
3.30%, 05/15/26 (Call 04/15/26)^(a)		6,908		7,485,000
3.63%, 09/16/25 (Call 08/16/25)		14,920		16,386,341
3.80%, 10/30/26 (Call 09/30/26)		9,391		10,485,298
Truist Financial Corp.
2.50%, 08/01/24 (Call 07/01/24)^(a)		12,629		13,069,702
2.85%, 10/26/24 (Call 09/26/24)^(a)		13,175		13,869,407
3.70%, 06/05/25 (Call 05/05/25)^(a)		15,319		16,911,713
3.75%, 12/06/23 (Call 11/06/23)^(a)		7,774		8,397,929
4.00%, 05/01/25 (Call 03/01/25)^(a)		4,114		4,547,898
U.S. Bancorp.
2.40%, 07/30/24 (Call 06/28/24)^(a)		9,703		10,071,241
3.00%, 07/30/29 (Call 04/30/29)^(a)		10,175		10,806,034
3.10%, 04/27/26 (Call 03/27/26)^(a)		15,208		16,326,897
3.38%, 02/05/24 (Call 01/05/24)^(a)		16,115		17,259,025
3.60%, 09/11/24 (Call 08/11/24)^(a)		8,509		9,246,873
3.70%, 01/30/24 (Call 12/29/23)^(a)		7,722		8,365,160
3.90%, 04/26/28 (Call 03/24/28)^(a)		8,690		10,052,250
3.95%, 11/17/25 (Call 10/17/25)		10,768		12,192,754
Series V, 2.38%, 07/22/26 (Call 06/22/26)^(a)		14,027		14,679,884
Series X, 3.15%, 04/27/27 (Call 03/27/27)^(a)		7,661		8,334,512
U.S. Bank N.A./Cincinnati OH
2.05%, 01/21/25 (Call 12/20/24)		6,525		6,679,957
2.80%, 01/27/25 (Call 12/27/24)^(a)		18,434		19,523,123
3.40%, 07/24/23 (Call 06/23/23)		11,307		12,035,313
BanksWachovia Corp., 5.50%, 08/01/35		9,809		13,161,823
Wells Fargo &Co.
2.16%, 02/11/26 (Call 02/11/25)^(c)		10,000		10,125,672
2.41%, 10/30/25 (Call 10/30/24)^(c)		31,084		31,827,511
2.57%, 02/11/31 (Call 02/11/30)^(c)		30,000		30,599,100
2.88%, 10/30/30 (Call 10/30/29)^(a)(c)		31,061		32,287,717
3.00%, 02/19/25^(a)		30,413		32,113,047
3.00%, 04/22/26^(a)		41,189		43,673,220
3.00%, 10/23/26^(a)		35,885		38,113,746
3.20%, 06/17/27 (Call 06/17/26)^(a)(c)		29,371		31,335,077
3.30%, 09/09/24^(a)		20,732		22,100,760
3.55%, 09/29/25^(a)		28,308		30,838,110
3.58%, 05/22/28 (Call 05/22/27)^(a)(c)		41,998		45,704,840
3.75%, 01/24/24 (Call 12/24/23)^(a)		34,331		36,966,251


Security	Par (000)		Value

Banks (continued)
3.90%, 05/01/45^(a)	$	21,949	$	26,122,111
4.10%, 06/03/26		28,608		31,886,708
4.13%, 08/15/23^(a)		12,522		13,495,320
4.15%, 01/24/29 (Call 10/24/28)^(a)		30,002		34,515,621
4.30%, 07/22/27^(a)		26,453		29,915,449
4.40%, 06/14/46		19,530		23,299,347
4.65%, 11/04/44		19,018		23,524,572
4.75%, 12/07/46^(a)		20,687		26,094,791
4.90%, 11/17/45		19,914		25,514,243
5.38%, 02/07/35		9,464		12,803,977
5.38%, 11/02/43		19,873		26,709,827
5.61%, 01/15/44		22,441		30,913,501
Wells Fargo Bank N.A.
3.55%, 08/14/23 (Call 07/14/23)^(a)		19,825		21,124,515
5.85%, 02/01/37^(a)		9,951		13,994,519
6.60%, 01/15/38^(a)		17,481		26,582,079
Westpac Banking Corp.
2.35%, 02/19/25^(a)		8,649		8,934,379
2.65%, 01/16/30^(a)		9,487		9,902,095
2.70%, 08/19/26^(a)		12,664		13,333,465
2.85%, 05/13/26^(a)		21,110		22,350,810
3.30%, 02/26/24^(a)		15,144		16,206,403
3.35%, 03/08/27^(a)		10,299		11,270,259
3.40%, 01/25/28^(a)		10,029		11,183,009
3.65%, 05/15/23^(a)		9,786		10,473,987
4.42%, 07/24/39^(a)		8,457		9,954,576

				7,995,095,831

Beverages — 3.2%
Anheuser-Busch Companies LLC/Anheuser-Busch InBev Worldwide Inc.
3.65%, 02/01/26 (Call 11/01/25)		47,051		51,407,029
4.70%, 02/01/36 (Call 08/01/35)		54,212		64,844,600
4.90%, 02/01/46 (Call 08/01/45)		99,410		122,273,604
Anheuser-Busch InBev Finance Inc.
2.63%, 01/17/23^(a)		1		517
3.65%, 02/01/26 (Call 11/01/25)		6,844		7,504,616
3.70%, 02/01/24		10,307		11,117,150
4.00%, 01/17/43^(a)		8,759		9,646,878
4.63%, 02/01/44^(a)		10,241		12,126,843
4.90%, 02/01/46 (Call 08/01/45)^(a)		13,465		16,470,147
Anheuser-Busch InBev Worldwide Inc.
3.75%, 07/15/42^(a)		7,756		8,290,639
4.00%, 04/13/28 (Call 01/13/28)^(a)		29,567		33,352,738
4.15%, 01/23/25 (Call 12/23/24)^(a)		37,604		41,824,304
4.38%, 04/15/38 (Call 10/15/37)		14,337		16,599,120
4.44%, 10/06/48 (Call 04/06/48)^(a)		17,982		20,986,663
4.60%, 04/15/48 (Call 10/15/47)^(a)		26,988		32,339,054
4.75%, 01/23/29 (Call 10/23/28)^(a)		39,904		47,278,798
4.75%, 04/15/58 (Call 10/15/57)^(a)		16,590		20,211,771
4.90%, 01/23/31 (Call 10/23/30)		9,431		11,468,616
4.95%, 01/15/42^(a)		14,263		17,526,675
5.45%, 01/23/39 (Call 07/23/38)		20,345		26,431,681
5.55%, 01/23/49 (Call 07/23/48)^(a)		44,923		60,977,698
5.80%, 01/23/59 (Call 07/23/58)^(a)		21,691		30,705,560
8.20%, 01/15/39		8,955		14,705,226
Coca-Cola Co. (The)
1.75%, 09/06/24^(a)		7,225		7,353,164
2.13%, 09/06/29^(a)		11,936		12,184,165
2.25%, 09/01/26^(a)		11,874		12,409,219
2.50%, 04/01/23^(a)		6,234		6,485,336


Security	Par (000)		Value

Beverages (continued)
2.88%, 10/27/25^(a)	$	18,297	$	19,765,975
3.20%, 11/01/23^(a)		11,936		12,760,447
Constellation Brands Inc.
3.15%, 08/01/29 (Call 05/01/29)^(a)		9,185		9,632,383
4.25%, 05/01/23^(a)		8,997		9,697,022
Diageo Capital PLC
2.38%, 10/24/29 (Call 07/24/29)^(a)		7,606		7,898,893
2.63%, 04/29/23 (Call 01/29/23)^(a)		10,824		11,228,377
Keurig Dr Pepper Inc.
4.06%, 05/25/23 (Call 04/25/23)^(a)		19,827		21,268,736
4.42%, 05/25/25 (Call 03/25/25)		7,948		8,909,683
4.60%, 05/25/28 (Call 02/25/28)^(a)		20,997		24,222,332
5.09%, 05/25/48 (Call 11/25/47)		7,444		9,494,328
Molson Coors Beverage Co.
3.00%, 07/15/26 (Call 04/15/26)^(a)		24,445		25,635,995
4.20%, 07/15/46 (Call 01/15/46)^(a)		18,307		18,983,530
5.00%, 05/01/42^(a)		10,450		11,852,413
PepsiCo Inc.
2.38%, 10/06/26 (Call 07/06/26)^(a)		12,601		13,271,904
2.63%, 07/29/29 (Call 04/29/29)^(a)		14,503		15,461,676
2.75%, 03/01/23^(a)		2,438		2,547,190
2.75%, 04/30/25 (Call 01/30/25)^(a)		10,543		11,217,848
2.85%, 02/24/26 (Call 11/24/25)^(a)		8,654		9,310,990
2.88%, 10/15/49 (Call 04/15/49)		12,768		13,507,289
3.00%, 10/15/27 (Call 07/15/27)^(a)		11,701		12,767,548
3.38%, 07/29/49 (Call 01/29/49)		12,257		14,057,646
3.45%, 10/06/46 (Call 04/06/46)^(a)		13,251		15,151,139
3.60%, 03/01/24 (Call 12/01/23)^(a)		4,690		5,083,838
4.00%, 03/05/42		7,826		9,589,544
4.00%, 05/02/47 (Call 11/02/46)^(a)		9,116		11,403,593
4.45%, 04/14/46 (Call 10/14/45)^(a)		12,840		16,956,048

				1,058,198,178

Biotechnology — 1.4%
Amgen Inc.
2.20%, 02/21/27 (Call 12/21/26)		870		884,346
2.25%, 08/19/23 (Call 06/19/23)^(a)		3,434		3,519,815
2.45%, 02/21/30 (Call 11/21/29)		13,590		13,814,242
2.60%, 08/19/26 (Call 05/19/26)^(a)		14,363		15,000,541
3.13%, 05/01/25 (Call 02/01/25)		8,953		9,564,377
3.15%, 02/21/40 (Call 08/21/39)		15,000		15,314,292
3.20%, 11/02/27 (Call 08/02/27)^(a)		7,183		7,764,959
3.38%, 02/21/50 (Call 08/21/49)^(a)		14,280		14,607,323
3.63%, 05/22/24 (Call 02/22/24)^(a)		10,121		10,925,471
4.40%, 05/01/45 (Call 11/01/44)^(a)		22,590		26,720,952
4.56%, 06/15/48 (Call 12/15/47)^(a)		13,719		16,727,456
4.66%, 06/15/51 (Call 12/15/50)		36,821		45,651,372
5.15%, 11/15/41 (Call 05/15/41)		10,960		14,213,483
BiotechnologyBaxalta Inc., 4.00%, 06/23/25 (Call 03/23/25)^(a)		9,154		10,122,373
Biogen Inc.
4.05%, 09/15/25 (Call 06/15/25)		20,458		22,920,443
5.20%, 09/15/45 (Call 03/15/45)^(a)		17,153		22,127,411
Gilead Sciences Inc.
2.50%, 09/01/23 (Call 07/01/23)^(a)		8,216		8,501,855
2.95%, 03/01/27 (Call 12/01/26)^(a)		11,075		11,834,443
3.50%, 02/01/25 (Call 11/01/24)^(a)		11,486		12,458,046
3.65%, 03/01/26 (Call 12/01/25)^(a)		32,183		35,520,783
3.70%, 04/01/24 (Call 01/01/24)^(a)		9,010		9,679,942
4.00%, 09/01/36 (Call 03/01/36)^(a)		7,141		8,348,772
4.15%, 03/01/47 (Call 09/01/46)^(a)		20,548		24,725,647


Security	Par (000)		Value

Biotechnology (continued)
4.50%, 02/01/45 (Call 08/01/44)	$	20,436	$	25,336,536
4.60%, 09/01/35 (Call 03/01/35)		8,069		10,087,017
4.75%, 03/01/46 (Call 09/01/45)		24,781		31,839,419
4.80%, 04/01/44 (Call 10/01/43)^(a)		17,830		22,841,608
5.65%, 12/01/41 (Call 06/01/41)^(a)		10,078		14,241,464

				465,294,388

Building Materials — 0.2%
Carrier Global Corp.
2.24%, 02/15/25 (Call 01/15/25)^(b)		11,938		12,172,714
2.49%, 02/15/27 (Call 12/15/26)^(b)		3,270		3,329,418
2.72%, 02/15/30 (Call 11/15/29)^(b)		20,000		20,214,276
3.38%, 04/05/40 (Call 10/05/39)^(b)		15,000		15,424,213
3.58%, 04/05/50 (Call 10/05/49)^(b)		20,000		20,593,658

				71,734,279

Chemicals — 1.2%
Dow Chemical Co. (The)
3.50%, 10/01/24 (Call 07/01/24)^(a)		7,107		7,628,647
3.63%, 05/15/26 (Call 03/15/26)^(a)		10,835		11,796,834
4.38%, 11/15/42 (Call 05/15/42)^(a)		10,189		11,205,656
4.80%, 05/15/49 (Call 11/15/48)		8,798		10,290,170
5.25%, 11/15/41 (Call 05/15/41)		8,739		10,559,488
5.55%, 11/30/48 (Call 05/30/48)^(a)		5,838		7,403,215
7.38%, 11/01/29		10,113		13,884,201
9.40%, 05/15/39^(a)		10,153		17,407,042
DuPont de Nemours Inc.
4.21%, 11/15/23 (Call 10/15/23)^(a)		28,121		30,761,762
4.49%, 11/15/25 (Call 09/15/25)		24,084		27,141,327
4.73%, 11/15/28 (Call 08/15/28)		26,570		30,868,468
5.32%, 11/15/38 (Call 05/15/38)^(a)		14,938		18,168,101
5.42%, 11/15/48 (Call 05/15/48)^(a)		22,298		28,053,914
ChemicalsEastman Chemical Co., 4.65%, 10/15/44 (Call 04/15/44)^(a)		8,695		9,950,809
ChemicalsEcolab Inc., 2.70%, 11/01/26 (Call 08/01/26)		10,755		11,412,733
LYB International Finance BV
4.00%, 07/15/23		8,563		9,212,358
4.88%, 03/15/44 (Call 09/15/43)^(a)		7,814		8,974,195
5.25%, 07/15/43		11,221		13,460,782
ChemicalsLYB International Finance II BV, 3.50%, 03/02/27 (Call 12/02/26)^(a)		10,113		10,873,952
ChemicalsLYB International Finance III LLC, 4.20%, 10/15/49 (Call 04/15/49)^(a)		11,397		12,009,242
LyondellBasell Industries NV
4.63%, 02/26/55 (Call 08/26/54)^(a)		9,059		9,854,021
5.75%, 04/15/24 (Call 01/15/24)^(a)		7,400		8,495,720
ChemicalsMosaic Co. (The), 4.25%, 11/15/23 (Call 08/15/23)^(a)		7,844		8,511,195
Nutrien Ltd.
4.20%, 04/01/29 (Call 01/01/29)^(a)		8,873		10,136,225
5.00%, 04/01/49 (Call 10/01/48)^(a)		6,835		8,551,759
ChemicalsRohm & Haas Co., 7.85%, 07/15/29		6,440		8,866,695
Sherwin-Williams Co. (The)
2.95%, 08/15/29 (Call 05/15/29)		9,024		9,438,942
3.45%, 06/01/27 (Call 03/01/27)^(a)		15,400		16,788,382
4.50%, 06/01/47 (Call 12/01/46)^(a)		13,427		16,145,981

				397,851,816

Commercial Services — 0.4%
Global Payments Inc.
2.65%, 02/15/25 (Call 01/15/25)^(a)		10,255		10,593,267
3.20%, 08/15/29 (Call 05/15/29)		11,790		12,493,485


Security	Par (000)		Value

Commercial Services (continued)
4.15%, 08/15/49 (Call 02/15/49)	$	8,818	$	10,136,617
4.80%, 04/01/26 (Call 01/01/26)^(a)		8,561		9,857,342
IHS Markit Ltd.
4.25%, 05/01/29 (Call 02/01/29)^(a)		10,982		12,502,430
4.75%, 08/01/28 (Call 05/01/28)		8,493		9,949,467
PayPal Holdings Inc.
2.40%, 10/01/24 (Call 09/01/24)^(a)		16,991		17,453,065
2.65%, 10/01/26 (Call 08/01/26)^(a)		16,085		16,674,298
2.85%, 10/01/29 (Call 07/01/29)^(a)		11,319		11,893,714
Commercial ServicesRELX Capital Inc., 4.00%, 03/18/29 (Call 12/18/28)^(a)		6,532		7,460,393
Commercial ServicesS&P Global Inc., 4.40%, 02/15/26 (Call 11/15/25)^(a)		1,939		2,232,733

				121,246,811

Computers — 3.5%
Apple Inc.
1.80%, 09/11/24 (Call 08/11/24)		7,693		7,821,895
2.05%, 09/11/26 (Call 07/11/26)		21,115		21,646,646
2.20%, 09/11/29 (Call 06/11/29)^(a)		20,208		20,802,111
2.40%, 05/03/23^(a)		57,765		59,685,426
2.45%, 08/04/26 (Call 05/04/26)^(a)		24,133		25,299,473
2.50%, 02/09/25^(a)		13,939		14,628,373
2.75%, 01/13/25 (Call 11/13/24)^(a)		13,648		14,416,797
2.85%, 05/11/24 (Call 03/11/24)^(a)		21,358		22,522,519
2.90%, 09/12/27 (Call 06/12/27)		24,564		26,450,923
2.95%, 09/11/49 (Call 03/11/49)^(a)		14,909		15,675,989
3.00%, 02/09/24 (Call 12/09/23)^(a)		18,292		19,387,427
3.00%, 06/20/27 (Call 03/20/27)^(a)		6,536		7,087,508
3.00%, 11/13/27 (Call 08/13/27)^(a)		16,351		17,781,346
3.20%, 05/13/25^(a)		19,278		20,868,715
3.20%, 05/11/27 (Call 02/11/27)^(a)		20,351		22,264,061
3.25%, 02/23/26 (Call 11/23/25)		32,839		35,833,428
3.35%, 02/09/27 (Call 11/09/26)^(a)		23,380		25,740,709
3.45%, 05/06/24		25,969		28,094,584
3.45%, 02/09/45^(a)		21,358		24,136,930
3.75%, 09/12/47 (Call 03/12/47)^(a)		9,860		11,713,503
3.75%, 11/13/47 (Call 05/13/47)^(a)		12,125		14,470,863
3.85%, 05/04/43		32,674		38,991,632
3.85%, 08/04/46 (Call 02/04/46)^(a)		21,222		25,276,234
4.25%, 02/09/47 (Call 08/09/46)^(a)		8,173		10,373,933
4.38%, 05/13/45^(a)		21,494		27,618,991
4.45%, 05/06/44^(a)		10,675		13,769,018
4.50%, 02/23/36 (Call 08/23/35)		8,489		10,811,282
4.65%, 02/23/46 (Call 08/23/45)		40,941		54,619,720
Dell International LLC/EMC Corp.
4.00%, 07/15/24 (Call 06/15/24)^(b)		11,130		11,935,754
4.90%, 10/01/26 (Call 08/01/26)^(a)(b)		16,370		18,228,904
5.30%, 10/01/29 (Call 07/01/29)^(a)(b)		13,079		15,032,643
5.45%, 06/15/23 (Call 04/15/23)^(a)(b)		37,018		40,750,014
6.02%, 06/15/26 (Call 03/15/26)^(a)(b)		44,404		52,042,540
8.10%, 07/15/36 (Call 01/15/36)^(a)(b)		15,584		21,315,329
8.35%, 07/15/46 (Call 01/15/46)^(b)		22,781		30,993,093
Hewlett Packard Enterprise Co.
4.90%, 10/15/25 (Call 07/15/25)^(a)		29,210		33,196,747
6.20%, 10/15/35 (Call 04/15/35)		7,180		8,867,300
6.35%, 10/15/45 (Call 04/15/45)^(a)		16,256		20,166,358
ComputersHP Inc., 6.00%, 09/15/41^(a)		11,864		13,707,382
International Business Machines Corp.
3.00%, 05/15/24		41,953		44,426,037
3.30%, 05/15/26^(a)		35,179		38,412,833


Security	Par (000)		Value

Computers (continued)
3.38%, 08/01/23^(a)	$	5,278	$	5,628,802
3.45%, 02/19/26^(a)		14,477		15,878,912
3.50%, 05/15/29^(a)		37,097		41,544,444
3.63%, 02/12/24^(a)		22,329		24,159,531
4.00%, 06/20/42^(a)		7,959		9,484,658
4.15%, 05/15/39		21,858		26,420,624
4.25%, 05/15/49^(a)		31,395		39,089,271

				1,149,071,212

Cosmetics & Personal Care — 0.3%
Procter & Gamble Co. (The)
2.45%, 11/03/26^(a)		13,335		14,389,689
2.85%, 08/11/27^(a)		10,166		11,159,692
3.10%, 08/15/23		13,260		14,131,638
5.55%, 03/05/37		1,520		2,240,583
Unilever Capital Corp.
2.13%, 09/06/29 (Call 06/06/29)^(a)		18,260		18,587,334
2.60%, 05/05/24 (Call 03/05/24)^(a)		1,966		2,056,184
2.90%, 05/05/27 (Call 02/05/27)^(a)		5,039		5,433,337
3.50%, 03/22/28 (Call 12/22/27)^(a)		9,568		10,744,141
5.90%, 11/15/32^(a)		7,408		10,499,761

				89,242,359

Diversified Financial Services — 2.9%
AerCap Ireland Capital DAC/AerCap Global Aviation Trust
2.88%, 08/14/24 (Call 07/14/24)^(a)		8,534		8,733,988
3.50%, 01/15/25 (Call 11/15/24)^(a)		9,213		9,655,111
3.65%, 07/21/27 (Call 04/21/27)^(a)		11,283		11,719,626
4.88%, 01/16/24 (Call 12/16/23)^(a)		3,500		3,809,423
Air Lease Corp.
2.30%, 02/01/25 (Call 01/01/25)^(a)		4,411		4,498,821
3.00%, 09/15/23 (Call 07/15/23)^(a)		1,955		2,033,856
3.75%, 06/01/26 (Call 04/01/26)^(a)		10,593		11,337,926
Ally Financial Inc.
3.88%, 05/21/24 (Call 04/21/24)^(a)		8,333		8,736,067
8.00%, 11/01/31		21,070		29,129,275
American Express Co.
2.50%, 07/30/24 (Call 06/30/24)^(a)		14,844		15,370,705
3.00%, 10/30/24 (Call 09/29/24)^(a)		19,754		20,871,636
3.13%, 05/20/26 (Call 04/20/26)^(a)		14,672		15,859,672
3.40%, 02/27/23 (Call 01/27/23)		16,738		17,612,289
3.40%, 02/22/24 (Call 01/22/24)^(a)		10,654		11,371,568
3.70%, 08/03/23 (Call 07/03/23)^(a)		8,497		9,083,162
4.05%, 12/03/42^(a)		10,881		13,664,464
4.20%, 11/06/25 (Call 10/06/25)^(a)		12,115		13,682,669
Diversified Financial ServicesAmerican Express Credit Corp., 3.30%, 05/03/27 (Call 04/03/27)^(a)		18,504		20,290,304
Diversified Financial ServicesAmeriprise Financial Inc., 4.00%, 10/15/23^(a)		7,369		8,025,035
Brookfield Finance Inc.
4.00%, 04/01/24 (Call 02/01/24)^(a)		10,201		11,119,099
4.70%, 09/20/47 (Call 03/20/47)^(a)		8,648		10,592,805
4.85%, 03/29/29 (Call 12/29/28)^(a)		12,438		14,827,987
Capital One Financial Corp.
3.20%, 02/05/25 (Call 01/05/25)^(a)		11,748		12,509,195
3.30%, 10/30/24 (Call 09/30/24)^(a)		14,150		15,063,467
3.50%, 06/15/23^(a)		9,568		10,114,419
3.75%, 04/24/24 (Call 03/24/24)^(a)		9,040		9,758,272
3.75%, 07/28/26 (Call 06/28/26)		13,143		14,088,917
3.75%, 03/09/27 (Call 02/09/27)^(a)		13,978		15,208,267


Security	Par (000)		Value

Diversified Financial Services (continued)
3.80%, 01/31/28 (Call 12/31/27)^(a)	$	14,834	$	16,177,082
3.90%, 01/29/24 (Call 12/29/23)^(a)		14,577		15,679,358
4.20%, 10/29/25 (Call 09/29/25)^(a)		16,460		17,950,865
4.25%, 04/30/25 (Call 03/31/25)		9,244		10,328,536
Diversified Financial ServicesCharles Schwab Corp. (The), 3.85%, 05/21/25 (Call 03/21/25)^(a)		10,929		12,183,208
CME Group Inc.
3.00%, 03/15/25 (Call 12/15/24)^(a)		14,895		15,980,579
5.30%, 09/15/43 (Call 03/15/43)		7,740		11,238,173
Diversified Financial ServicesDiscover Financial Services, 4.10%, 02/09/27 (Call 11/09/26)		13,193		14,442,341
GE Capital International Funding Co. Unlimited Co.
3.37%, 11/15/25^(a)		17,266		18,479,724
4.42%, 11/15/35^(a)		120,029		137,096,980
Intercontinental Exchange Inc.
3.75%, 12/01/25 (Call 09/01/25)		19,564		21,626,431
4.00%, 10/15/23^(a)		3,501		3,814,021
4.25%, 09/21/48 (Call 03/21/48)		12,871		15,645,069
Diversified Financial ServicesJefferies Financial Group Inc., 5.50%, 10/18/23 (Call 01/18/23)^(a)		2,095		2,300,901
Jefferies Group LLC/Jefferies Group Capital Finance Inc.
4.15%, 01/23/30		10,422		11,288,076
4.85%, 01/15/27^(a)		8,264		9,151,825
Mastercard Inc.
2.00%, 03/03/25 (Call 02/03/25)^(a)		2,353		2,414,547
2.95%, 11/21/26 (Call 08/21/26)^(a)		9,868		10,624,285
2.95%, 06/01/29 (Call 03/01/29)		22,196		24,050,267
3.38%, 04/01/24^(a)		8,360		9,012,152
3.65%, 06/01/49 (Call 12/01/48)		6,605		7,912,196
Nomura Holdings Inc.
2.65%, 01/16/25		4,700		4,825,618
3.10%, 01/16/30		18,085		18,686,966
Synchrony Financial
3.95%, 12/01/27 (Call 09/01/27)^(a)		11,033		11,839,138
4.25%, 08/15/24 (Call 05/15/24)		11,988		12,960,532
4.50%, 07/23/25 (Call 04/23/25)^(a)		12,587		13,892,141
Diversified Financial ServicesTD Ameritrade Holding Corp., 3.30%, 04/01/27 (Call 01/01/27)^(a)		10,313		11,170,746
Visa Inc.
2.75%, 09/15/27 (Call 06/15/27)		6,553		7,009,860
2.80%, 12/14/22 (Call 10/14/22)		12,081		12,559,515
3.15%, 12/14/25 (Call 09/14/25)		42,945		46,651,523
3.65%, 09/15/47 (Call 03/15/47)^(a)		9,050		10,738,591
4.15%, 12/14/35 (Call 06/14/35)		14,215		17,603,538
4.30%, 12/14/45 (Call 06/14/45)^(a)		35,083		45,366,697

				949,469,506

Electric — 1.9%
Berkshire Hathaway Energy Co.
3.80%, 07/15/48 (Call 01/15/48)^(a)		7,993		9,149,077
4.45%, 01/15/49 (Call 07/15/48)		10,868		13,723,729
4.50%, 02/01/45 (Call 08/01/44)		7,311		9,080,087
5.15%, 11/15/43 (Call 05/15/43)^(a)		8,113		10,887,566
6.13%, 04/01/36^(a)		17,548		25,012,782
ElectricCommonwealth Edison Co., 4.00%, 03/01/48 (Call 09/01/47)		7,522		9,036,277
ElectricConnecticut Light & Power Co. (The), 4.00%, 04/01/48 (Call 10/01/47)^(a)		7,166		8,841,027
Consolidated Edison Co. of New York Inc.
4.45%, 03/15/44 (Call 09/15/43)^(a)		7,122		8,792,885


Security	Par (000)		Value

Electric (continued)
4.63%, 12/01/54 (Call 06/01/54)	$	8,242	$	10,656,737
ElectricDominion Energy Inc., 3.90%, 10/01/25 (Call 07/01/25)^(a)		5,963		6,590,877
Duke Energy Carolinas LLC
3.20%, 08/15/49 (Call 02/15/49)^(a)		10,360		11,112,866
5.30%, 02/15/40		8,500		11,731,299
Duke Energy Corp.
2.65%, 09/01/26 (Call 06/01/26)^(a)		17,212		17,958,944
3.15%, 08/15/27 (Call 05/15/27)^(a)		8,372		8,978,388
3.75%, 04/15/24 (Call 01/15/24)^(a)		11,107		11,963,422
3.75%, 09/01/46 (Call 03/01/46)^(a)		14,783		16,392,576
ElectricDuke Energy Florida LLC, 6.40%, 06/15/38		8,864		13,540,427
Emera U.S. Finance LP
3.55%, 06/15/26 (Call 03/15/26)^(a)		11,272		12,238,819
4.75%, 06/15/46 (Call 12/15/45)^(a)		11,349		13,764,252
ElectricEntergy Corp., 2.95%, 09/01/26 (Call 06/01/26)^(a)		8,297		8,729,965
Evergy Inc.
2.45%, 09/15/24 (Call 08/15/24)^(a)		5,055		5,204,643
2.90%, 09/15/29 (Call 06/15/29)^(a)		10,135		10,595,331
Exelon Corp.
3.40%, 04/15/26 (Call 01/15/26)		8,648		9,359,308
3.95%, 06/15/25 (Call 03/15/25)^(a)		11,320		12,421,058
4.45%, 04/15/46 (Call 10/15/45)^(a)		11,874		14,236,037
Exelon Generation Co. LLC
5.60%, 06/15/42 (Call 12/15/41)		5,280		6,293,261
6.25%, 10/01/39^(a)		9,298		11,733,049
FirstEnergy Corp.
Series B, 3.90%, 07/15/27 (Call 04/15/27)		19,221		21,436,145
Series B, 4.25%, 03/15/23 (Call 12/15/22)^(a)		1,537		1,646,004
Series C, 3.40%, 03/01/50 (Call 09/01/49)		10,000		10,098,456
Series C, 4.85%, 07/15/47 (Call 01/15/47)^(a)		9,016		11,091,783
Series C, 7.38%, 11/15/31		14,964		21,774,069
Florida Power & Light Co.
3.15%, 10/01/49 (Call 04/01/49)^(a)		9,924		10,960,709
3.95%, 03/01/48 (Call 09/01/47)		9,701		12,033,285
ElectricGeorgia Power Co., 4.30%, 03/15/42		11,450		13,412,416
MidAmerican Energy Co.
3.65%, 04/15/29 (Call 01/15/29)		1,539		1,741,669
4.25%, 07/15/49 (Call 01/15/49)		9,380		12,055,778
NextEra Energy Capital Holdings Inc.
2.75%, 11/01/29 (Call 08/01/29)^(a)		11,835		12,356,905
3.15%, 04/01/24 (Call 03/01/24)^(a)		9,846		10,443,024
3.55%, 05/01/27 (Call 02/01/27)		6,478		7,129,713
ElectricPublic Service Enterprise Group Inc., 2.88%, 06/15/24 (Call 05/15/24)^(a)		5,730		6,007,094
Sempra Energy
3.25%, 06/15/27 (Call 03/15/27)^(a)		5,876		6,289,945
3.40%, 02/01/28 (Call 11/01/27)^(a)		10,561		11,345,525
3.80%, 02/01/38 (Call 08/01/37)^(a)		12,219		13,455,822
4.00%, 02/01/48 (Call 08/01/47)^(a)		8,916		9,848,630
6.00%, 10/15/39^(a)		7,505		10,242,729
Southern California Edison Co.
4.00%, 04/01/47 (Call 10/01/46)^(a)		17,851		20,258,920
4.65%, 10/01/43 (Call 04/01/43)^(a)		9,994		12,197,784
Series C, 4.13%, 03/01/48 (Call 09/01/47)		13,411		15,374,370
Southern Co. (The)
2.95%, 07/01/23 (Call 05/01/23)^(a)		16,412		17,119,470
3.25%, 07/01/26 (Call 04/01/26)		20,028		21,496,319
4.40%, 07/01/46 (Call 01/01/46)^(a)		19,838		23,144,423


Security	Par (000)		Value

Electric (continued)
Virginia Electric & Power Co.
Series A, 3.15%, 01/15/26 (Call 10/15/25)^(a)	$	5,866	$	6,334,126
Series A, 3.50%, 03/15/27 (Call 12/15/26)		6,901		7,611,276

				634,931,078

Electronics — 0.1%
ElectronicsFortive Corp., 3.15%, 06/15/26 (Call 03/15/26)^(a)		4,808		5,093,762
Honeywell International Inc.
2.30%, 08/15/24 (Call 07/15/24)^(a)		6,439		6,685,254
2.50%, 11/01/26 (Call 08/01/26)^(a)		11,568		12,249,257
2.70%, 08/15/29 (Call 05/15/29)^(a)		7,064		7,558,786
ElectronicsRoper Technologies Inc., 4.20%, 09/15/28 (Call 06/15/28)^(a)		6,156		7,083,402

				38,670,461

Environmental Control — 0.2%
Republic Services Inc.
2.50%, 08/15/24 (Call 07/15/24)^(a)		7,454		7,728,059
3.95%, 05/15/28 (Call 02/15/28)^(a)		5,121		5,824,711
Waste Management Inc.
2.95%, 06/15/24 (Call 05/15/24)^(a)		10,493		11,067,252
3.15%, 11/15/27 (Call 08/15/27)^(a)		9,581		10,317,158
3.20%, 06/15/26 (Call 04/15/26)^(a)		11,849		12,834,378
3.45%, 06/15/29 (Call 03/15/29)^(a)		10,027		11,075,384
4.10%, 03/01/45 (Call 09/01/44)^(a)		5,535		6,754,042
4.15%, 07/15/49 (Call 01/15/49)^(a)		9,864		12,277,943

				77,878,927

Food — 0.8%
Campbell Soup Co.
3.95%, 03/15/25 (Call 01/15/25)^(a)		10,475		11,456,869
4.15%, 03/15/28 (Call 12/15/27)^(a)		7,665		8,537,876
Conagra Brands Inc.
4.30%, 05/01/24 (Call 04/01/24)		8,175		8,925,045
4.60%, 11/01/25 (Call 09/01/25)		9,739		10,905,540
4.85%, 11/01/28 (Call 08/01/28)^(a)		12,577		14,627,900
5.30%, 11/01/38 (Call 05/01/38)^(a)		9,606		11,625,268
5.40%, 11/01/48 (Call 05/01/48)^(a)		10,889		13,772,238
General Mills Inc.
3.20%, 02/10/27 (Call 11/10/26)^(a)		5,738		6,208,088
3.70%, 10/17/23 (Call 09/17/23)^(a)		3,086		3,318,583
4.00%, 04/17/25 (Call 02/17/25)^(a)		9,134		10,123,914
4.20%, 04/17/28 (Call 01/17/28)^(a)		15,789		18,117,011
FoodJM Smucker Co. (The), 3.50%, 03/15/25^(a)		8,262		8,967,265
FoodKellogg Co., 3.25%, 04/01/26^(a)		5,168		5,569,397
Kroger Co. (The)
2.65%, 10/15/26 (Call 07/15/26)^(a)		7,690		7,997,722
3.95%, 01/15/50 (Call 07/15/49)^(a)		9,860		10,211,662
4.45%, 02/01/47 (Call 08/01/46)^(a)		7,259		8,038,666
FoodMcCormick &Co. Inc./MD, 3.40%, 08/15/27 (Call 05/15/27)^(a)		4,931		5,388,745
FoodMondelez International Inc., 3.63%, 05/07/23 (Call 04/07/23)^(a)		9,420		10,037,944
Sysco Corp.
3.25%, 07/15/27 (Call 04/15/27)		9,530		10,335,507
3.30%, 07/15/26 (Call 04/15/26)^(a)		4,548		4,955,933
3.75%, 10/01/25 (Call 07/01/25)^(a)		8,918		9,877,107
Tyson Foods Inc.
3.55%, 06/02/27 (Call 03/02/27)		9,547		10,470,386
3.95%, 08/15/24 (Call 05/15/24)^(a)		8,013		8,778,447
4.00%, 03/01/26 (Call 01/01/26)^(a)		10,336		11,529,649


Security	Par (000)		Value

Food (continued)
4.35%, 03/01/29 (Call 12/01/28)^(a)	$	11,705	$	13,695,889
4.55%, 06/02/47 (Call 12/02/46)^(a)		7,222		8,743,855
5.10%, 09/28/48 (Call 03/28/48)^(a)		16,469		21,458,545

				273,675,051

Forest Products & Paper — 0.1%
International Paper Co.
3.00%, 02/15/27 (Call 11/15/26)^(a)		9,347		9,925,190
3.65%, 06/15/24 (Call 03/15/24)^(a)		1,048		1,130,802
4.35%, 08/15/48 (Call 02/15/48)^(a)		11,415		12,661,433
4.40%, 08/15/47 (Call 02/15/47)		12,930		14,213,833
4.80%, 06/15/44 (Call 12/15/43)		8,278		9,560,096

				47,491,354

Gas — 0.2%
GasAtmos Energy Corp., 4.13%, 10/15/44 (Call 04/15/44)		5,733		6,916,698
NiSource Inc.
2.95%, 09/01/29 (Call 06/01/29)^(a)		7,360		7,705,522
3.49%, 05/15/27 (Call 02/15/27)^(a)		9,664		10,574,305
3.95%, 03/30/48 (Call 09/30/47)^(a)		4,753		5,302,578
4.38%, 05/15/47 (Call 11/15/46)^(a)		12,711		14,928,872
4.80%, 02/15/44 (Call 08/15/43)		8,602		10,444,499

				55,872,474

Health Care – Products — 1.1%
Abbott Laboratories
2.95%, 03/15/25 (Call 12/15/24)^(a)		13,980		14,882,349
3.40%, 11/30/23 (Call 09/30/23)^(a)		7,671		8,218,320
3.75%, 11/30/26 (Call 08/30/26)^(a)		17,759		19,998,445
4.75%, 11/30/36 (Call 05/30/36)^(a)		15,646		20,529,641
4.90%, 11/30/46 (Call 05/30/46)^(a)		33,761		47,026,001
Boston Scientific Corp.
3.45%, 03/01/24 (Call 02/01/24)^(a)		6,152		6,577,901
3.75%, 03/01/26 (Call 01/01/26)^(a)		9,126		10,084,768
3.85%, 05/15/25		4,348		4,774,598
4.00%, 03/01/29 (Call 12/01/28)^(a)		10,751		12,340,193
4.55%, 03/01/39 (Call 09/01/38)^(a)		5,279		6,520,896
4.70%, 03/01/49 (Call 09/01/48)		10,115		13,166,133
DH Europe Finance II Sarl
2.60%, 11/15/29 (Call 08/15/29)		7,369		7,666,374
3.25%, 11/15/39 (Call 05/15/39)		8,993		9,769,602
3.40%, 11/15/49 (Call 05/15/49)^(a)		10,503		11,638,481
Medtronic Inc.
3.50%, 03/15/25^(a)		30,341		33,334,176
4.38%, 03/15/35		21,753		27,765,403
4.63%, 03/15/45		18,088		24,429,343
Stryker Corp.
3.38%, 11/01/25 (Call 08/01/25)^(a)		7,837		8,563,308
3.50%, 03/15/26 (Call 12/15/25)		11,887		13,124,010
4.63%, 03/15/46 (Call 09/15/45)^(a)		8,776		11,385,292
Thermo Fisher Scientific Inc.
2.60%, 10/01/29 (Call 07/01/29)^(a)		12,238		12,663,898
2.95%, 09/19/26 (Call 06/19/26)^(a)		13,503		14,513,574
3.00%, 04/15/23 (Call 02/15/23)		8,969		9,375,841
3.20%, 08/15/27 (Call 05/15/27)^(a)		4,926		5,343,375
4.10%, 08/15/47 (Call 02/15/47)^(a)		7,194		8,810,488
4.15%, 02/01/24 (Call 11/01/23)		546		596,928
Health Care – ProductsZimmer Biomet Holdings Inc., 3.55%, 04/01/25 (Call 01/01/25)^(a)		15,039		16,257,203

				379,356,541


Security	Par (000)		Value

Health Care – Services — 2.2%
Aetna Inc.
2.80%, 06/15/23 (Call 04/15/23)^(a)	$	4,842	$	4,991,399
3.50%, 11/15/24 (Call 08/15/24)^(a)		11,474		12,345,298
3.88%, 08/15/47 (Call 02/15/47)^(a)		10,494		11,024,174
6.63%, 06/15/36		8,704		12,069,010
Anthem Inc.
2.38%, 01/15/25 (Call 12/15/24)^(a)		11,686		12,012,267
2.88%, 09/15/29 (Call 06/15/29)^(a)		3,136		3,223,392
3.35%, 12/01/24 (Call 10/01/24)^(a)		9,409		10,055,219
3.50%, 08/15/24 (Call 05/15/24)^(a)		12,160		13,055,500
3.65%, 12/01/27 (Call 09/01/27)^(a)		14,287		15,621,314
3.70%, 09/15/49 (Call 03/15/49)^(a)		8,797		9,014,457
4.10%, 03/01/28 (Call 12/01/27)^(a)		11,451		12,814,146
4.38%, 12/01/47 (Call 06/01/47)^(a)		15,085		17,162,296
4.55%, 03/01/48 (Call 09/01/47)^(a)		9,362		10,984,254
4.63%, 05/15/42^(a)		9,471		10,996,695
4.65%, 01/15/43		10,107		11,846,192
4.65%, 08/15/44 (Call 02/15/44)		8,337		9,738,130
CommonSpirit Health
2.76%, 10/01/24 (Call 07/01/24)^(a)		11,070		11,601,941
3.35%, 10/01/29 (Call 04/01/29)		3,857		4,104,669
4.19%, 10/01/49 (Call 04/01/49)^(a)		10,353		11,366,229
HCA Inc.
4.13%, 06/15/29 (Call 03/15/29)^(a)		21,060		23,053,310
4.50%, 02/15/27 (Call 08/15/26)^(a)		9,386		10,378,550
4.75%, 05/01/23^(a)		4,046		4,402,232
5.00%, 03/15/24^(a)		20,119		22,332,026
5.13%, 06/15/39 (Call 12/15/38)^(a)		9,708		11,277,212
5.25%, 04/15/25		16,215		18,513,001
5.25%, 06/15/26 (Call 12/15/25)		25,117		28,865,572
5.25%, 06/15/49 (Call 12/15/48)		18,267		21,165,587
5.50%, 06/15/47 (Call 12/15/46)		16,839		19,956,753
Health Care – ServicesHumana Inc., 4.95%, 10/01/44 (Call 04/01/44)^(a)		7,134		8,808,072
Kaiser Foundation Hospitals
4.15%, 05/01/47 (Call 11/01/46)		20,547		26,361,037
Series 2019, 3.27%, 11/01/49 (Call 05/01/49)		3,469		3,856,047
Laboratory Corp. of America Holdings
3.60%, 02/01/25 (Call 11/01/24)^(a)		16,395		17,689,823
4.70%, 02/01/45 (Call 08/01/44)^(a)		7,679		9,207,359
Health Care – ServicesQuest Diagnostics Inc., 2.95%, 06/30/30 (Call 03/30/30)		8,415		8,698,427
UnitedHealth Group Inc.
2.38%, 08/15/24^(a)		8,445		8,748,378
2.88%, 03/15/23		8,710		9,096,674
2.88%, 08/15/29^(a)		9,642		10,258,897
2.95%, 10/15/27^(a)		11,807		12,608,211
3.10%, 03/15/26^(a)		11,175		12,005,678
3.45%, 01/15/27^(a)		5,331		5,849,727
3.50%, 06/15/23^(a)		5,553		5,916,650
3.50%, 02/15/24		8,543		9,180,543
3.50%, 08/15/39 (Call 02/15/39)^(a)		13,435		14,804,208
3.70%, 08/15/49 (Call 02/15/49)^(a)		13,825		15,622,987
3.75%, 07/15/25^(a)		19,866		21,979,814
3.75%, 10/15/47 (Call 04/15/47)		9,955		11,249,642
3.85%, 06/15/28		10,803		12,217,853
3.88%, 12/15/28		8,281		9,451,427
3.88%, 08/15/59 (Call 02/15/59)		13,761		15,671,525
4.20%, 01/15/47 (Call 07/15/46)		8,694		10,409,544
4.25%, 03/15/43 (Call 09/15/42)^(a)		5,149		6,141,769


Security	Par (000)		Value

Health Care – Services (continued)
4.25%, 06/15/48 (Call 12/15/47)^(a)	$	13,563	$	16,400,302
4.45%, 12/15/48 (Call 06/15/48)		11,170		13,911,536
4.63%, 07/15/35		9,974		12,564,924
4.75%, 07/15/45		16,935		21,840,377
5.80%, 03/15/36		9,919		13,608,278
6.88%, 02/15/38		11,777		17,990,716

				726,121,250

Holding Companies – Diversified — 0.1%
Ares Capital Corp.
3.25%, 07/15/25 (Call 06/15/25)^(a)		5,177		5,231,626
4.20%, 06/10/24 (Call 05/10/24)		12,175		12,964,526

				18,196,152

Insurance — 2.1%
InsuranceAflac Inc., 3.63%, 11/15/24^(a)		6,891		7,517,672
American International Group Inc.
3.75%, 07/10/25 (Call 04/10/25)^(a)		19,013		20,744,999
3.88%, 01/15/35 (Call 07/15/34)		12,428		14,021,966
3.90%, 04/01/26 (Call 01/01/26)^(a)		14,036		15,567,991
4.13%, 02/15/24^(a)		6,358		6,946,161
4.20%, 04/01/28 (Call 01/01/28)^(a)		5,045		5,725,319
4.38%, 01/15/55 (Call 07/15/54)^(a)		9,352		10,844,389
4.50%, 07/16/44 (Call 01/16/44)^(a)		24,137		29,557,494
4.75%, 04/01/48 (Call 10/01/47)^(a)		10,828		13,807,332
4.80%, 07/10/45 (Call 01/10/45)^(a)		6,723		8,413,633
6.25%, 05/01/36^(a)		6,711		9,217,085
InsuranceAon Corp., 3.75%, 05/02/29 (Call 02/02/29)^(a)		6,258		6,964,327
InsuranceAon PLC, 3.88%, 12/15/25 (Call 09/15/25)^(a)		9,620		10,738,043
InsuranceAthene Holding Ltd., 4.13%, 01/12/28 (Call 10/12/27)^(a)		8,415		9,054,585
Berkshire Hathaway Finance Corp.
4.20%, 08/15/48 (Call 02/15/48)^(a)		24,908		30,895,818
4.25%, 01/15/49 (Call 07/15/48)^(a)		22,879		28,451,121
5.75%, 01/15/40^(a)		3,926		5,687,581
Berkshire Hathaway Inc.
2.75%, 03/15/23 (Call 01/15/23)^(a)		12,921		13,413,290
3.13%, 03/15/26 (Call 12/15/25)^(a)		31,006		33,564,882
4.50%, 02/11/43^(a)		10,991		13,882,398
Brighthouse Financial Inc.
3.70%, 06/22/27 (Call 03/22/27)^(a)		20,965		21,263,967
4.70%, 06/22/47 (Call 12/22/46)		13,772		13,032,444
InsuranceChubb Corp. (The), 6.00%, 05/11/37^(a)		10,662		15,574,524
Chubb INA Holdings Inc.
3.15%, 03/15/25		12,108		13,155,068
3.35%, 05/03/26 (Call 02/03/26)^(a)		15,207		16,700,711
4.35%, 11/03/45 (Call 05/03/45)^(a)		17,848		22,922,204
Equitable Holdings Inc.
3.90%, 04/20/23 (Call 03/20/23)^(a)		7,508		8,015,837
4.35%, 04/20/28 (Call 01/20/28)^(a)		14,821		16,653,919
5.00%, 04/20/48 (Call 10/20/47)		15,317		17,322,519
Marsh & McLennan Companies Inc.
3.88%, 03/15/24 (Call 02/15/24)^(a)		9,791		10,618,863
4.38%, 03/15/29 (Call 12/15/28)		15,382		17,896,686
4.90%, 03/15/49 (Call 09/15/48)^(a)		13,563		17,944,158
MetLife Inc.
3.60%, 04/10/24^(a)		7,296		7,955,480
4.05%, 03/01/45^(a)		8,967		10,768,234
4.13%, 08/13/42		7,891		9,423,854
4.60%, 05/13/46 (Call 11/13/45)^(a)		8,082		10,484,534


Security	Par (000)		Value

Insurance (continued)
4.88%, 11/13/43	$	11,489	$	15,022,267
5.70%, 06/15/35^(a)		12,276		17,456,279
5.88%, 02/06/41		6,546		9,539,210
6.38%, 06/15/34^(a)		8,733		12,999,333
Series D, 4.37%, 09/15/23^(a)		5,558		6,145,597
InsuranceProgressive Corp. (The), 4.13%, 04/15/47 (Call 10/15/46)		9,017		11,157,547
Prudential Financial Inc.
3.70%, 03/13/51 (Call 09/13/50)^(a)		16,026		17,219,338
3.91%, 12/07/47 (Call 06/07/47)^(a)		10,670		11,868,088
3.94%, 12/07/49 (Call 06/07/49)^(a)		9,750		11,120,976
4.35%, 02/25/50 (Call 08/25/49)^(a)		9,590		11,424,570
4.60%, 05/15/44^(a)		8,585		10,570,976
5.70%, 12/14/36^(a)		5,491		7,658,752
Travelers Companies Inc. (The)
5.35%, 11/01/40^(a)		6,149		8,756,453
6.25%, 06/15/37^(a)		10,742		15,893,153

				691,581,627

Internet — 1.0%
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)		17,098		17,672,103
3.38%, 02/25/24^(a)		1,194		1,295,063
Amazon.com Inc.
2.80%, 08/22/24 (Call 06/22/24)		21,555		22,725,109
3.15%, 08/22/27 (Call 05/22/27)		37,607		41,223,823
3.80%, 12/05/24 (Call 09/05/24)^(a)		9,038		9,955,657
3.88%, 08/22/37 (Call 02/22/37)		29,429		35,395,415
4.05%, 08/22/47 (Call 02/22/47)^(a)		36,411		46,831,442
4.25%, 08/22/57 (Call 02/22/57)^(a)		22,452		30,111,920
4.80%, 12/05/34 (Call 06/05/34)^(a)		14,567		19,286,124
4.95%, 12/05/44 (Call 06/05/44)^(a)		16,267		22,840,648
5.20%, 12/03/25 (Call 09/03/25)		8,599		10,242,825
InternetBooking Holdings Inc., 3.60%, 06/01/26 (Call 03/01/26)		11,407		12,466,686
eBay Inc.
3.45%, 08/01/24 (Call 05/01/24)^(a)		9,247		9,866,259
3.60%, 06/05/27 (Call 03/05/27)^(a)		7,029		7,571,324
4.00%, 07/15/42 (Call 01/15/42)^(a)		9,091		9,154,637
Expedia Group Inc.
3.25%, 02/15/30 (Call 11/15/29)^(a)(b)		14,469		14,421,262
3.80%, 02/15/28 (Call 11/15/27)		13,886		14,264,288
5.00%, 02/15/26 (Call 11/15/25)^(a)		1,261		1,437,307

				326,761,892

Iron & Steel — 0.1%
ArcelorMittal SA
3.60%, 07/16/24		9,477		9,892,720
4.55%, 03/11/26^(a)		7,245		7,953,544

				17,846,264

Lodging — 0.1%
Las Vegas Sands Corp.
3.20%, 08/08/24 (Call 07/08/24)		19,731		20,531,209
3.50%, 08/18/26 (Call 06/18/26)^(a)		9,059		9,568,062
3.90%, 08/08/29 (Call 05/08/29)^(a)		9,102		9,688,587
LodgingMarriott International Inc./MD, Series R, 3.13%, 06/15/26 (Call 03/15/26)		903		958,683

				40,746,541

Machinery — 0.5%
ABB Finance USA Inc.
3.80%, 04/03/28 (Call 01/03/28)^(a)		8,642		9,762,532


Security	Par (000)		Value

Machinery (continued)
4.38%, 05/08/42	$	7,100	$	9,150,210
MachineryCaterpillar Financial Services Corp., 2.15%, 11/08/24^(a)		850		874,883
Caterpillar Inc.
3.25%, 09/19/49 (Call 03/19/49)^(a)		10,148		10,930,578
3.40%, 05/15/24 (Call 02/15/24)^(a)		12,342		13,227,384
3.80%, 08/15/42^(a)		17,757		21,114,328
5.20%, 05/27/41		7,822		10,817,200
MachineryDeere & Co., 3.90%, 06/09/42 (Call 12/09/41)^(a)		11,855		14,433,374
John Deere Capital Corp.
2.80%, 03/06/23^(a)		9,385		9,796,641
3.45%, 03/13/25		4,574		4,980,887
Otis Worldwide Corp.
2.06%, 04/05/25 (Call 03/05/25)^(b)		11,280		11,505,979
2.57%, 02/15/30 (Call 11/15/29)^(a)(b)		12,500		12,847,166
3.11%, 02/15/40 (Call 08/15/39)^(b)		10,000		10,455,469
3.36%, 02/15/50 (Call 08/15/49)^(b)		10,550		10,907,119
MachineryWabtec Corp., 4.40%, 03/15/24 (Call 02/15/24)		6,742		7,325,944
Westinghouse Air Brake Technologies Corp.
3.45%, 11/15/26 (Call 08/15/26)^(a)		3,647		3,809,291
4.95%, 09/15/28 (Call 06/15/28)^(a)		14,308		16,403,357

				178,342,342

Manufacturing — 0.9%
3M Co.
2.00%, 02/14/25 (Call 01/14/25)^(a)		7,585		7,737,962
2.38%, 08/26/29 (Call 05/26/29)^(a)		13,245		13,563,248
2.88%, 10/15/27 (Call 07/15/27)^(a)		9,624		10,244,980
3.25%, 02/14/24 (Call 01/14/24)^(a)		7,377		7,878,964
3.25%, 08/26/49 (Call 02/26/49)^(a)		9,026		9,470,681
3.38%, 03/01/29 (Call 12/01/28)^(a)		8,941		9,838,077
4.00%, 09/14/48 (Call 03/14/48)^(a)		12,430		14,742,682
Eaton Corp.
2.75%, 11/02/22		9,180		9,544,030
4.15%, 11/02/42^(a)		8,819		10,850,214
General Electric Co.
3.38%, 03/11/24^(a)		6,549		6,935,877
4.13%, 10/09/42^(a)		8,560		9,339,739
4.50%, 03/11/44		7,172		8,285,447
5.88%, 01/14/38^(a)		33,353		42,838,573
6.15%, 08/07/37^(a)		10,728		14,120,201
6.88%, 01/10/39		22,739		32,031,895
Series A, 6.75%, 03/15/32		31,205		42,065,516
Illinois Tool Works Inc.
2.65%, 11/15/26 (Call 08/15/26)^(a)		6,425		6,843,481
3.90%, 09/01/42 (Call 03/01/42)^(a)		9,315		11,521,433
ManufacturingIngersoll-Rand Luxembourg Finance SA, 3.80%, 03/21/29 (Call 12/21/28)^(a)		6,090		6,833,252
Parker-Hannifin Corp.
3.25%, 06/14/29 (Call 03/14/29)^(a)		12,961		14,008,845
4.00%, 06/14/49 (Call 12/14/48)^(a)		6,543		7,531,098

				296,226,195

Media — 4.8%
Charter Communications Operating LLC/Charter Communications Operating Capital
3.75%, 02/15/28 (Call 11/15/27)^(a)		16,658		17,650,004
4.20%, 03/15/28 (Call 12/15/27)		12,111		13,200,047
4.50%, 02/01/24 (Call 01/01/24)^(a)		10,071		10,988,771


Security	Par (000)		Value

Media (continued)
4.80%, 03/01/50 (Call 09/01/49)^(a)	$	29,023	$	31,321,125
4.91%, 07/23/25 (Call 04/23/25)^(a)		53,675		60,143,890
5.05%, 03/30/29 (Call 12/30/28)^(a)		7,268		8,403,549
5.13%, 07/01/49 (Call 01/01/49)^(a)		10,363		11,528,684
5.38%, 04/01/38 (Call 10/01/37)^(a)		6,064		6,969,500
5.38%, 05/01/47 (Call 11/01/46)		26,313		30,125,214
5.75%, 04/01/48 (Call 10/01/47)		26,653		31,662,882
6.38%, 10/23/35 (Call 04/23/35)^(a)		17,655		23,282,639
6.48%, 10/23/45 (Call 04/23/45)		38,929		49,729,318
Comcast Corp.
2.35%, 01/15/27 (Call 10/15/26)^(a)		15,838		16,363,445
2.65%, 02/01/30 (Call 11/01/29)^(a)		11,593		12,128,554
2.75%, 03/01/23 (Call 02/01/23)^(a)		2,292		2,389,048
3.00%, 02/01/24 (Call 01/01/24)^(a)		14,916		15,752,451
3.15%, 03/01/26 (Call 12/01/25)^(a)		26,460		28,512,404
3.15%, 02/15/28 (Call 11/15/27)		19,947		21,566,816
3.20%, 07/15/36 (Call 01/15/36)^(a)		7,929		8,594,624
3.25%, 11/01/39 (Call 05/01/39)^(a)		10,264		11,093,436
3.30%, 02/01/27 (Call 11/01/26)^(a)		8,638		9,388,013
3.38%, 02/15/25 (Call 11/15/24)^(a)		14,953		16,138,691
3.38%, 08/15/25 (Call 05/15/25)^(a)		17,580		19,084,755
3.40%, 07/15/46 (Call 01/15/46)^(a)		14,515		15,747,267
3.45%, 02/01/50 (Call 08/01/49)^(a)		19,521		21,504,744
3.55%, 05/01/28 (Call 02/01/28)^(a)		14,982		16,653,811
3.60%, 03/01/24^(a)		5,459		5,893,563
3.70%, 04/15/24 (Call 03/15/24)		21,919		23,789,850
3.90%, 03/01/38 (Call 09/01/37)^(a)		10,625		12,505,765
3.95%, 10/15/25 (Call 08/15/25)^(a)		30,724		34,413,919
3.97%, 11/01/47 (Call 05/01/47)^(a)		21,184		25,163,059
4.00%, 08/15/47 (Call 02/15/47)^(a)		10,086		11,931,862
4.00%, 03/01/48 (Call 09/01/47)		10,869		12,759,659
4.00%, 11/01/49 (Call 05/01/49)^(a)		21,576		25,611,471
4.05%, 11/01/52 (Call 05/01/52)		15,558		18,522,410
4.15%, 10/15/28 (Call 07/15/28)		41,683		48,294,653
4.20%, 08/15/34 (Call 02/15/34)		12,553		15,089,340
4.25%, 10/15/30 (Call 07/15/30)		18,038		21,383,791
4.25%, 01/15/33^(a)		19,702		23,800,101
4.40%, 08/15/35 (Call 02/15/35)		7,676		9,450,790
4.60%, 10/15/38 (Call 04/15/38)^(a)		31,861		40,230,235
4.60%, 08/15/45 (Call 02/15/45)^(a)		17,718		22,666,712
4.65%, 07/15/42^(a)		13,434		17,139,011
4.70%, 10/15/48 (Call 04/15/48)^(a)		42,480		55,683,098
4.75%, 03/01/44^(a)		7,729		9,997,142
4.95%, 10/15/58 (Call 04/15/58)		25,955		35,480,238
5.65%, 06/15/35^(a)		8,868		12,378,819
6.45%, 03/15/37		7,337		10,838,092
6.50%, 11/15/35		10,144		15,281,453
6.95%, 08/15/37		8,717		13,443,009
7.05%, 03/15/33		8,813		13,314,232
Discovery Communications LLC
2.95%, 03/20/23 (Call 02/20/23)^(a)		13,168		13,631,209
3.95%, 03/20/28 (Call 12/20/27)		21,608		23,437,180
4.13%, 05/15/29 (Call 02/15/29)^(a)		8,877		9,797,112
4.88%, 04/01/43^(a)		9,835		11,160,692
5.00%, 09/20/37 (Call 03/20/37)^(a)		4,872		5,544,830
5.20%, 09/20/47 (Call 03/20/47)^(a)		15,136		17,884,745
5.30%, 05/15/49 (Call 11/15/48)^(a)		9,281		11,214,036
6.35%, 06/01/40^(a)		7,929		10,503,264
Fox Corp.
4.03%, 01/25/24 (Call 12/25/23)^(a)(b)		13,831		14,972,475


Security	Par (000)		Value

Media (continued)
4.71%, 01/25/29 (Call 10/25/28)^(a)(b)	$	21,328	$	25,075,210
5.48%, 01/25/39 (Call 07/25/38)^(a)(b)		12,677		16,255,903
5.58%, 01/25/49 (Call 07/25/48)^(b)		14,841		19,779,096
NBCUniversal Media LLC
4.45%, 01/15/43^(a)		6,559		8,096,500
5.95%, 04/01/41^(a)		12,591		18,395,436
Time Warner Cable LLC
4.50%, 09/15/42 (Call 03/15/42)^(a)		11,484		11,951,743
5.50%, 09/01/41 (Call 03/01/41)^(a)		12,328		14,393,977
5.88%, 11/15/40 (Call 05/15/40)^(a)		13,703		17,029,873
6.55%, 05/01/37^(a)		16,541		21,560,853
6.75%, 06/15/39^(a)		16,041		21,347,015
7.30%, 07/01/38^(a)		12,706		17,803,449
Time Warner Entertainment Co. LP
8.38%, 03/15/23^(a)		6,689		7,974,569
8.38%, 07/15/33		11,902		17,566,709
TWDC Enterprises 18 Corp.
1.85%, 07/30/26^(a)		9,619		9,796,570
2.95%, 06/15/27^(a)		8,477		9,201,900
3.00%, 02/13/26^(a)		8,393		9,139,178
3.15%, 09/17/25^(a)		4,794		5,229,991
4.13%, 06/01/44		10,803		13,550,288
ViacomCBS Inc.
4.00%, 01/15/26 (Call 10/15/25)		9,411		10,438,261
4.25%, 09/01/23 (Call 06/01/23)^(a)		1,542		1,672,325
4.38%, 03/15/43^(a)		14,641		15,671,110
5.85%, 09/01/43 (Call 03/01/43)^(a)		12,048		15,224,389
6.88%, 04/30/36		12,170		16,718,332
7.88%, 07/30/30^(a)		8,267		11,900,084
Walt Disney Co. (The)
1.75%, 08/30/24 (Call 07/30/24)		4,453		4,520,761
2.00%, 09/01/29 (Call 06/01/29)^(a)		17,361		17,470,864
2.75%, 09/01/49 (Call 03/01/49)^(a)		20,755		21,049,096
6.20%, 12/15/34		11,838		17,702,301
6.40%, 12/15/35^(a)		8,646		13,087,840
6.65%, 11/15/37		15,617		24,433,042

				1,597,168,164

Metal Fabricate & Hardware — 0.0%
Metal Fabricate & HardwarePrecision Castparts Corp., 3.25%, 06/15/25 (Call 03/15/25)		94		101,953


Mining — 0.5%
MiningBarrick Gold Corp., 5.25%, 04/01/42		7,868		10,191,706
Barrick North America Finance LLC
5.70%, 05/30/41		9,246		12,249,630
5.75%, 05/01/43^(a)		7,684		10,696,235
MiningBarrick PD Australia Finance Pty Ltd., 5.95%, 10/15/39^(a)		7,535		10,285,426
BHP Billiton Finance USA Ltd.
4.13%, 02/24/42		11,433		13,776,393
5.00%, 09/30/43^(a)		25,493		34,306,746
Newmont Corp.
3.70%, 03/15/23 (Call 12/15/22)^(a)		520		551,062
4.88%, 03/15/42 (Call 09/15/41)		9,775		12,293,566
6.25%, 10/01/39^(a)		10,096		14,685,029
MiningRio Tinto Alcan Inc., 6.13%, 12/15/33		6,967		9,856,981
Rio Tinto Finance USA Ltd.
3.75%, 06/15/25 (Call 03/15/25)		11,187		12,378,305
5.20%, 11/02/40^(a)		11,351		15,627,663
7.13%, 07/15/28		5,783		7,978,875


Security	Par (000)		Value

Mining (continued)
MiningRio Tinto Finance USA PLC, 4.13%, 08/21/42 (Call 02/21/42)	$	10,741	$	12,980,469

				177,858,086

Oil & Gas — 5.5%
Apache Corp.
4.25%, 01/15/44 (Call 07/15/43)^(a)		9,439		8,481,262
4.38%, 10/15/28 (Call 07/15/28)		2,912		3,077,073
4.75%, 04/15/43 (Call 10/15/42)^(a)		16,331		15,344,550
5.10%, 09/01/40 (Call 03/01/40)^(a)		15,622		15,456,185
BP Capital Markets America Inc.
2.75%, 05/10/23^(a)		723		748,657
3.02%, 01/16/27 (Call 10/16/26)^(a)		10,673		11,313,650
3.12%, 05/04/26 (Call 02/04/26)^(a)		14,540		15,593,599
3.22%, 11/28/23 (Call 09/28/23)		8,804		9,304,719
3.22%, 04/14/24 (Call 02/14/24)		10,756		11,422,863
3.41%, 02/11/26 (Call 12/11/25)^(a)		10,450		11,368,831
3.79%, 02/06/24 (Call 01/06/24)		11,482		12,389,228
3.80%, 09/21/25 (Call 07/21/25)^(a)		14,360		15,883,221
3.94%, 09/21/28 (Call 06/21/28)^(a)		5,995		6,778,845
4.23%, 11/06/28 (Call 08/06/28)^(a)		25,013		28,965,047
BP Capital Markets PLC
3.28%, 09/19/27 (Call 06/19/27)^(a)		15,365		16,530,317
3.51%, 03/17/25^(a)		13,358		14,514,494
3.54%, 11/04/24^(a)		15,091		16,330,552
3.72%, 11/28/28 (Call 08/28/28)		9,654		10,757,457
3.81%, 02/10/24		15,098		16,327,577
3.99%, 09/26/23		5,007		5,418,452
Canadian Natural Resources Ltd.
3.85%, 06/01/27 (Call 03/01/27)^(a)		12,208		13,029,767
4.95%, 06/01/47 (Call 12/01/46)^(a)		9,132		10,863,687
6.25%, 03/15/38^(a)		10,962		14,277,912
Cenovus Energy Inc.
4.25%, 04/15/27 (Call 01/15/27)^(a)		10,261		10,798,360
5.40%, 06/15/47 (Call 12/15/46)^(a)		9,888		10,840,719
6.75%, 11/15/39		14,847		17,855,124
Chevron Corp.
2.57%, 05/16/23 (Call 03/16/23)^(a)		2,382		2,464,778
2.90%, 03/03/24 (Call 01/03/24)^(a)		10,551		11,093,914
2.95%, 05/16/26 (Call 02/16/26)^(a)		26,266		28,088,172
3.19%, 06/24/23 (Call 03/24/23)^(a)		12,400		13,064,841
3.33%, 11/17/25 (Call 08/17/25)^(a)		14,695		16,041,141
Cimarex Energy Co.
3.90%, 05/15/27 (Call 02/15/27)		9,922		10,255,782
4.38%, 06/01/24 (Call 03/01/24)^(a)		2,438		2,587,158
Concho Resources Inc.
3.75%, 10/01/27 (Call 07/01/27)^(a)		13,311		13,861,397
4.30%, 08/15/28 (Call 05/15/28)		10,949		11,813,790
4.88%, 10/01/47 (Call 04/01/47)^(a)		7,948		8,824,664
Oil & GasConocoPhillips, 6.50%, 02/01/39		29,236		43,311,804
ConocoPhillips Co.
4.30%, 11/15/44 (Call 05/15/44)		7,225		8,669,336
4.95%, 03/15/26 (Call 12/15/25)		15,977		18,738,308
Oil & GasConocoPhillips Holding Co., 6.95%, 04/15/29		15,554		21,309,218
Continental Resources Inc./OK
3.80%, 06/01/24 (Call 03/01/24)^(a)		1,490		1,515,735
4.38%, 01/15/28 (Call 10/15/27)^(a)		14,908		14,517,735
4.50%, 04/15/23 (Call 01/15/23)^(a)		12,280		13,027,554
Devon Energy Corp.
4.75%, 05/15/42 (Call 11/15/41)^(a)		2,374		2,458,491
5.00%, 06/15/45 (Call 12/15/44)^(a)		10,529		11,359,773


Security	Par (000)		Value

Oil & Gas (continued)
5.60%, 07/15/41 (Call 01/15/41)^(a)	$	15,206	$	17,428,571
Diamondback Energy Inc.
2.88%, 12/01/24 (Call 11/01/24)^(a)		10,350		10,452,405
3.25%, 12/01/26 (Call 10/01/26)^(a)		10,604		10,751,608
3.50%, 12/01/29 (Call 09/01/29)^(a)		13,016		12,914,605
5.38%, 05/31/25 (Call 05/31/20)^(a)		1,040		1,085,500
EOG Resources Inc.
2.63%, 03/15/23 (Call 12/15/22)		1,855		1,912,468
4.15%, 01/15/26 (Call 10/15/25)^(a)		12,412		13,947,516
Equinor ASA
2.65%, 01/15/24		7,489		7,822,800
3.25%, 11/18/49 (Call 05/18/49)^(a)		10,294		10,926,437
3.63%, 09/10/28 (Call 06/10/28)^(a)		2,946		3,308,855
3.70%, 03/01/24^(a)		8,995		9,748,053
3.95%, 05/15/43^(a)		8,271		9,602,060
4.80%, 11/08/43^(a)		7,687		10,084,409
5.10%, 08/17/40^(a)		7,898		10,466,956
Exxon Mobil Corp.
2.02%, 08/16/24 (Call 07/16/24)^(a)		7,291		7,441,156
2.28%, 08/16/26 (Call 06/16/26)		16,155		16,602,216
2.44%, 08/16/29 (Call 05/16/29)		13,284		13,799,584
2.71%, 03/06/25 (Call 12/06/24)^(a)		17,385		18,253,165
2.73%, 03/01/23 (Call 01/01/23)		1,894		1,962,960
3.00%, 08/16/39 (Call 02/16/39)^(a)		5,600		5,849,899
3.04%, 03/01/26 (Call 12/01/25)^(a)		27,110		29,171,572
3.10%, 08/16/49 (Call 02/16/49)^(a)		17,112		17,634,250
3.18%, 03/15/24 (Call 12/15/23)		2,396		2,543,871
3.57%, 03/06/45 (Call 09/06/44)^(a)		10,343		11,484,757
4.11%, 03/01/46 (Call 09/01/45)^(a)		26,648		32,379,630
Hess Corp.
4.30%, 04/01/27 (Call 01/01/27)^(a)		4,506		4,779,927
5.60%, 02/15/41^(a)		13,753		14,837,896
6.00%, 01/15/40^(a)		7,838		8,754,315
Husky Energy Inc.
4.00%, 04/15/24 (Call 01/15/24)^(a)		340		365,699
4.40%, 04/15/29 (Call 01/15/29)^(a)		11,518		12,420,571
Marathon Oil Corp.
3.85%, 06/01/25 (Call 03/01/25)^(a)		7,909		8,357,337
4.40%, 07/15/27 (Call 04/15/27)^(a)		11,888		13,017,800
6.60%, 10/01/37^(a)		7,754		9,430,039
Marathon Petroleum Corp.
3.63%, 09/15/24 (Call 06/15/24)^(a)		4,862		5,175,850
4.75%, 09/15/44 (Call 03/15/44)^(a)		8,208		9,178,456
6.50%, 03/01/41 (Call 09/01/40)		13,290		17,830,541
Oil & GasNewfield Exploration Co., 5.63%, 07/01/24^(a)		8,240		9,146,850
Noble Energy Inc.
5.05%, 11/15/44 (Call 05/15/44)^(a)		8,074		8,325,101
5.25%, 11/15/43 (Call 05/15/43)^(a)		10,609		11,205,761
6.00%, 03/01/41 (Call 09/01/40)^(a)		9,030		10,444,953
Occidental Petroleum Corp.
2.90%, 08/15/24 (Call 07/15/24)^(a)		30,940		31,309,764
3.00%, 02/15/27 (Call 11/15/26)^(a)		7,804		7,798,721
3.20%, 08/15/26 (Call 06/15/26)		11,840		12,058,595
3.40%, 04/15/26 (Call 01/15/26)^(a)		13,050		13,349,756
3.50%, 06/15/25 (Call 03/15/25)^(a)		11,105		11,592,854
3.50%, 08/15/29 (Call 05/15/29)^(a)		17,380		17,463,905
4.10%, 02/15/47 (Call 08/15/46)		7,400		6,656,240
4.20%, 03/15/48 (Call 09/15/47)^(a)		9,272		8,614,967
4.30%, 08/15/39 (Call 02/15/39)^(a)		5,653		5,507,851
4.40%, 04/15/46 (Call 10/15/45)^(a)		13,124		12,017,647


Security	Par (000)		Value

Oil & Gas (continued)
4.40%, 08/15/49 (Call 02/15/49)^(a)	$	8,895	$	8,462,000
4.63%, 06/15/45 (Call 12/15/44)		7,278		7,001,637
5.55%, 03/15/26 (Call 12/15/25)		12,623		14,463,640
6.45%, 09/15/36^(a)		18,237		21,515,954
6.60%, 03/15/46 (Call 09/15/45)		10,597		12,816,392
7.50%, 05/01/31		8,406		11,585,985
Oil & GasOvintiv Inc., 6.50%, 08/15/34^(a)		7,317		7,934,409
Phillips 66
3.90%, 03/15/28 (Call 12/15/27)^(a)		8,010		8,872,188
4.65%, 11/15/34 (Call 05/15/34)^(a)		10,966		13,387,918
4.88%, 11/15/44 (Call 05/15/44)^(a)		17,932		21,576,164
5.88%, 05/01/42^(a)		15,400		21,372,795
Shell International Finance BV
2.00%, 11/07/24 (Call 10/07/24)^(a)		15,663		15,936,581
2.38%, 11/07/29 (Call 08/07/29)^(a)		17,909		18,217,373
2.50%, 09/12/26^(a)		9,377		9,790,101
2.88%, 05/10/26^(a)		19,055		20,298,396
3.13%, 11/07/49 (Call 05/07/49)^(a)		13,250		13,599,886
3.25%, 05/11/25^(a)		25,167		27,203,259
3.40%, 08/12/23^(a)		5,291		5,644,494
3.50%, 11/13/23 (Call 10/13/23)		5,411		5,792,937
3.75%, 09/12/46^(a)		14,676		16,664,183
3.88%, 11/13/28 (Call 08/13/28)		21,816		24,698,720
4.00%, 05/10/46		24,559		28,899,118
4.13%, 05/11/35		12,773		15,445,771
4.38%, 05/11/45		32,825		40,434,137
4.55%, 08/12/43^(a)		14,593		18,295,033
5.50%, 03/25/40^(a)		1,609		2,256,877
6.38%, 12/15/38		29,425		44,470,653
Suncor Energy Inc.
3.60%, 12/01/24 (Call 09/01/24)^(a)		8,039		8,707,777
4.00%, 11/15/47 (Call 05/15/47)^(a)		6,826		7,565,992
6.50%, 06/15/38		11,030		15,357,844
6.80%, 05/15/38		10,050		14,410,067
6.85%, 06/01/39		7,913		11,501,406
Oil & GasTotal Capital Canada Ltd., 2.75%, 07/15/23^(a)		4,254		4,440,897
Total Capital International SA
2.43%, 01/10/25 (Call 10/10/24)^(a)		13,435		13,944,428
2.83%, 01/10/30 (Call 10/10/29)^(a)		13,296		14,054,679
3.46%, 02/19/29 (Call 11/19/28)^(a)		11,475		12,700,026
3.46%, 07/12/49 (Call 01/12/49)^(a)		11,273		12,249,432
3.70%, 01/15/24^(a)		9,889		10,716,472
3.75%, 04/10/24^(a)		10,540		11,439,022
Oil & GasTotal Capital SA, 3.88%, 10/11/28		13,421		15,316,534
Valero Energy Corp.
3.40%, 09/15/26 (Call 06/15/26)^(a)		16,682		17,887,777
4.00%, 04/01/29 (Call 01/01/29)^(a)		13,705		14,810,300
4.35%, 06/01/28 (Call 03/01/28)^(a)		853		950,749
6.63%, 06/15/37^(a)		15,589		20,603,723
7.50%, 04/15/32^(a)		8,364		11,602,366

				1,808,788,530

Oil & Gas Services — 0.5%
Oil & Gas ServicesBaker Hughes a GE Co. LLC, 5.13%, 09/15/40^(a)		9,408		11,452,909
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
3.34%, 12/15/27 (Call 09/15/27)^(a)		22,088		23,152,003
4.08%, 12/15/47 (Call 06/15/47)^(a)		15,228		16,324,210
Halliburton Co.
3.50%, 08/01/23 (Call 05/01/23)		2,098		2,208,852


Security	Par (000)		Value

Oil & Gas Services (continued)
3.80%, 11/15/25 (Call 08/15/25)^(a)	$	25,169	$	27,567,120
4.75%, 08/01/43 (Call 02/01/43)^(a)		9,017		9,736,185
4.85%, 11/15/35 (Call 05/15/35)^(a)		9,520		11,035,630
5.00%, 11/15/45 (Call 05/15/45)		19,333		20,782,722
6.70%, 09/15/38^(a)		9,825		12,809,678
7.45%, 09/15/39^(a)		10,007		14,087,367
Oil & Gas ServicesSchlumberger Investment SA, 3.65%, 12/01/23 (Call 09/01/23)		12,609		13,459,047

				162,615,723

Packaging & Containers — 0.1%
WRKCo Inc.
4.65%, 03/15/26 (Call 01/15/26)^(a)		9,511		10,889,921
4.90%, 03/15/29 (Call 12/15/28)^(a)		6,779		7,992,490

				18,882,411

Pharmaceuticals — 9.4%
AbbVie Inc.
2.60%, 11/21/24 (Call 10/21/24)^(a)(b)		37,334		38,606,746
2.85%, 05/14/23 (Call 03/14/23)^(a)		12,837		13,320,257
2.95%, 11/21/26 (Call 09/21/26)^(b)		40,381		42,352,893
3.20%, 05/14/26 (Call 02/14/26)^(a)		22,224		23,586,158
3.20%, 11/21/29 (Call 08/21/29)^(a)(b)		56,814		60,059,051
3.60%, 05/14/25 (Call 02/14/25)^(a)		41,421		44,666,737
3.75%, 11/14/23 (Call 10/14/23)^(a)		8,049		8,618,212
4.05%, 11/21/39 (Call 05/21/39)^(b)		41,820		46,443,485
4.25%, 11/14/28 (Call 08/14/28)^(a)		20,234		23,065,536
4.25%, 11/21/49 (Call 05/21/49)^(a)(b)		63,153		70,916,120
4.30%, 05/14/36 (Call 11/14/35)^(a)		7,702		8,894,387
4.40%, 11/06/42^(a)		27,339		31,596,549
4.45%, 05/14/46 (Call 11/14/45)^(a)		21,542		24,803,765
4.50%, 05/14/35 (Call 11/14/34)		24,816		29,179,849
4.70%, 05/14/45 (Call 11/14/44)^(a)		27,030		31,878,068
4.88%, 11/14/48 (Call 05/14/48)^(a)		18,501		22,736,023
PharmaceuticalsAllergan Finance LLC, 3.25%, 10/01/22 (Call 07/01/22)		7,144		7,416,116
Allergan Funding SCS
3.45%, 03/15/22 (Call 01/15/22)		2,953		3,057,772
3.80%, 03/15/25 (Call 12/15/24)^(a)		43,057		46,852,014
3.85%, 06/15/24 (Call 03/15/24)		12,685		13,701,084
4.55%, 03/15/35 (Call 09/15/34)		19,731		23,212,016
4.75%, 03/15/45 (Call 09/15/44)		11,110		13,340,501
4.85%, 06/15/44 (Call 12/15/43)		12,101		14,329,066
PharmaceuticalsAmerisourceBergen Corp., 3.45%, 12/15/27 (Call 09/15/27)		5,863		6,359,639
AstraZeneca PLC
3.13%, 06/12/27 (Call 03/12/27)		8,164		8,778,575
3.38%, 11/16/25^(a)		24,840		27,099,553
3.50%, 08/17/23 (Call 07/17/23)^(a)		1,966		2,097,272
4.00%, 01/17/29 (Call 10/17/28)^(a)		10,189		11,795,921
4.00%, 09/18/42		11,825		14,146,828
4.38%, 11/16/45^(a)		8,480		10,781,475
4.38%, 08/17/48 (Call 02/17/48)^(a)		5,657		7,279,637
6.45%, 09/15/37^(a)		30,418		45,360,560
Becton Dickinson and Co.
3.36%, 06/06/24 (Call 04/06/24)^(a)		15,531		16,536,941
3.70%, 06/06/27 (Call 03/06/27)		21,502		23,683,726
3.73%, 12/15/24 (Call 09/15/24)		16,077		17,432,056
4.67%, 06/06/47 (Call 12/06/46)^(a)		13,944		17,860,068
4.69%, 12/15/44 (Call 06/15/44)		10,187		12,720,298


Security	Par (000)		Value

Pharmaceuticals (continued)
Bristol-Myers Squibb Co.
2.90%, 07/26/24 (Call 06/26/24)^(b)	$	38,175	$	40,206,422
3.20%, 06/15/26 (Call 04/15/26)^(a)(b)		28,720		31,364,394
3.25%, 02/27/27		6,628		7,273,128
3.40%, 07/26/29 (Call 04/26/29)^(a)(b)		39,136		43,873,612
3.45%, 11/15/27 (Call 08/15/27)^(a)(b)		7,586		8,422,907
3.63%, 05/15/24 (Call 02/15/24)^(b)		13,536		14,599,866
3.88%, 08/15/25 (Call 05/15/25)^(a)(b)		28,950		32,061,589
3.90%, 02/20/28 (Call 11/20/27)^(a)(b)		20,445		23,194,773
4.13%, 06/15/39 (Call 12/15/38)^(a)(b)		18,900		22,928,673
4.25%, 10/26/49 (Call 04/26/49)^(a)(b)		39,661		50,852,874
4.35%, 11/15/47 (Call 05/15/47)^(b)		12,113		15,465,635
4.55%, 02/20/48 (Call 08/20/47)^(a)(b)		14,329		18,758,578
4.63%, 05/15/44 (Call 11/15/43)^(a)(b)		8,395		10,866,750
5.00%, 08/15/45 (Call 02/15/45)^(a)(b)		19,858		27,116,580
Cardinal Health Inc.
3.08%, 06/15/24 (Call 04/15/24)^(a)		7,561		7,944,965
3.41%, 06/15/27 (Call 03/15/27)^(a)		12,489		13,271,137
Cigna Corp.
3.00%, 07/15/23 (Call 05/16/23)^(b)		1,852		1,930,287
3.25%, 04/15/25 (Call 01/15/25)^(b)		13,547		14,491,920
3.40%, 03/01/27 (Call 12/01/26)^(b)		8,356		8,984,604
3.75%, 07/15/23 (Call 06/15/23)^(a)		25,988		27,693,603
3.88%, 10/15/47 (Call 04/15/47)^(a)(b)		8,956		9,540,309
4.13%, 11/15/25 (Call 09/15/25)^(a)		32,319		35,947,315
4.38%, 10/15/28 (Call 07/15/28)^(a)		39,899		45,417,287
4.50%, 02/25/26 (Call 11/27/25)^(a)(b)		13,888		15,688,633
4.80%, 08/15/38 (Call 02/15/38)		22,006		26,466,508
4.80%, 07/15/46 (Call 01/16/46)^(a)(b)		13,785		16,527,865
4.90%, 12/15/48 (Call 06/15/48)^(a)		30,966		38,326,977
CVS Health Corp.
2.63%, 08/15/24 (Call 07/15/24)^(a)		10,086		10,416,960
2.88%, 06/01/26 (Call 03/01/26)		18,288		19,013,207
3.00%, 08/15/26 (Call 06/15/26)^(a)		1,280		1,341,742
3.25%, 08/15/29 (Call 05/15/29)^(a)		5,178		5,447,481
3.70%, 03/09/23 (Call 02/09/23)^(a)		43,554		45,932,893
3.88%, 07/20/25 (Call 04/20/25)^(a)		26,684		29,061,136
4.00%, 12/05/23 (Call 09/05/23)		4,866		5,237,484
4.10%, 03/25/25 (Call 01/25/25)^(a)		61,151		66,997,763
4.30%, 03/25/28 (Call 12/25/27)^(a)		93,208		104,131,101
4.78%, 03/25/38 (Call 09/25/37)		56,216		66,106,784
5.05%, 03/25/48 (Call 09/25/47)		88,426		108,843,572
5.13%, 07/20/45 (Call 01/20/45)^(a)		38,489		47,064,222
5.30%, 12/05/43 (Call 06/05/43)		2,222		2,755,253
Eli Lilly & Co.
3.38%, 03/15/29 (Call 12/15/28)^(a)		13,944		15,545,779
3.95%, 03/15/49 (Call 09/15/48)^(a)		12,639		15,501,893
4.15%, 03/15/59 (Call 09/15/58)		10,607		13,320,838
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23^(a)		11,397		11,904,880
3.38%, 05/15/23^(a)		3,306		3,508,616
3.63%, 05/15/25^(a)		9,840		10,878,273
3.88%, 05/15/28^(a)		19,108		21,922,341
6.38%, 05/15/38		28,818		43,201,251
GlaxoSmithKline Capital PLC
3.00%, 06/01/24 (Call 05/01/24)		9,063		9,639,084
3.38%, 06/01/29 (Call 03/01/29)		10,521		11,701,725
Johnson & Johnson
2.45%, 03/01/26 (Call 12/01/25)^(a)		21,161		22,265,077
2.63%, 01/15/25 (Call 11/15/24)^(a)		7,616		8,067,815


Security	Par (000)		Value

Pharmaceuticals (continued)
2.90%, 01/15/28 (Call 10/15/27)^(a)	$	16,561	$	18,042,564
2.95%, 03/03/27 (Call 12/03/26)^(a)		13,323		14,520,790
3.38%, 12/05/23^(a)		8,712		9,463,886
3.40%, 01/15/38 (Call 07/15/37)^(a)		10,599		12,051,083
3.50%, 01/15/48 (Call 07/15/47)^(a)		12,332		14,692,894
3.55%, 03/01/36 (Call 09/01/35)^(a)		9,918		11,509,921
3.63%, 03/03/37 (Call 09/03/36)^(a)		16,077		18,841,480
3.70%, 03/01/46 (Call 09/01/45)^(a)		17,287		20,971,463
3.75%, 03/03/47 (Call 09/03/46)^(a)		9,411		11,532,194
4.38%, 12/05/33 (Call 06/05/33)		13,601		17,088,394
5.95%, 08/15/37^(a)		10,851		16,356,758
PharmaceuticalsMead Johnson Nutrition Co., 4.13%, 11/15/25 (Call 08/15/25)^(a)		6,145		6,892,424
Merck & Co. Inc.
2.75%, 02/10/25 (Call 11/10/24)^(a)		24,924		26,377,361
2.80%, 05/18/23^(a)		22,208		23,193,891
2.90%, 03/07/24 (Call 02/07/24)^(a)		7,771		8,237,378
3.40%, 03/07/29 (Call 12/07/28)^(a)		18,228		20,401,705
3.70%, 02/10/45 (Call 08/10/44)^(a)		22,301		26,514,058
3.90%, 03/07/39 (Call 09/07/38)^(a)		8,378		10,218,339
4.00%, 03/07/49 (Call 09/07/48)^(a)		13,955		17,620,764
4.15%, 05/18/43^(a)		13,871		17,622,105
Mylan Inc.
4.55%, 04/15/28 (Call 01/15/28)^(a)		10,299		11,503,417
5.20%, 04/15/48 (Call 10/15/47)^(a)		6,509		7,545,823
Mylan NV
3.95%, 06/15/26 (Call 03/15/26)		21,478		23,198,796
3.95%, 06/15/26 (Call 03/15/26)^(b)		1,922		2,082,583
5.25%, 06/15/46 (Call 12/15/45)^(a)		9,661		11,234,088
Novartis Capital Corp.
1.75%, 02/14/25 (Call 01/14/25)		10,000		10,176,421
2.00%, 02/14/27 (Call 12/14/26)		10,000		10,227,977
2.20%, 08/14/30 (Call 05/14/30)		15,000		15,475,823
2.75%, 08/14/50 (Call 02/14/50)		15,000		15,558,302
3.00%, 11/20/25 (Call 08/20/25)^(a)		16,600		17,958,939
3.10%, 05/17/27 (Call 02/17/27)^(a)		10,958		11,938,382
3.40%, 05/06/24^(a)		12,067		13,067,257
4.00%, 11/20/45 (Call 05/20/45)^(a)		11,229		14,099,717
4.40%, 05/06/44^(a)		20,785		27,184,386
Pfizer Inc.
2.75%, 06/03/26^(a)		15,697		16,805,811
2.95%, 03/15/24 (Call 02/15/24)^(a)		4,249		4,494,966
3.00%, 06/15/23^(a)		9,623		10,164,059
3.00%, 12/15/26^(a)		18,273		19,845,448
3.20%, 09/15/23 (Call 08/15/23)^(a)		4,457		4,738,061
3.40%, 05/15/24^(a)		11,780		12,752,808
3.45%, 03/15/29 (Call 12/15/28)^(a)		20,394		22,820,609
3.60%, 09/15/28 (Call 06/15/28)		13,435		15,243,716
3.90%, 03/15/39 (Call 09/15/38)^(a)		8,199		9,819,385
4.00%, 12/15/36^(a)		3,346		4,002,215
4.00%, 03/15/49 (Call 09/15/48)^(a)		11,724		14,547,431
4.13%, 12/15/46		11,193		13,913,580
4.20%, 09/15/48 (Call 03/15/48)^(a)		11,619		14,687,766
4.30%, 06/15/43		9,000		11,348,343
4.40%, 05/15/44		11,486		14,683,986
7.20%, 03/15/39^(a)		24,836		41,547,345
Sanofi
3.38%, 06/19/23 (Call 05/19/23)^(a)		7,847		8,363,960
3.63%, 06/19/28 (Call 03/19/28)^(a)		3,367		3,855,270


Security	Par (000)		Value

Pharmaceuticals (continued)
Shire Acquisitions Investments Ireland DAC
2.88%, 09/23/23 (Call 07/23/23)	$	15,827	$	16,427,597
3.20%, 09/23/26 (Call 06/23/26)^(a)		32,162		34,490,587
Takeda Pharmaceutical Co. Ltd.
4.40%, 11/26/23 (Call 10/26/23)		9,512		10,436,644
5.00%, 11/26/28 (Call 08/26/28)^(a)		19,110		23,301,656
Wyeth LLC
5.95%, 04/01/37^(a)		23,445		33,991,417
6.50%, 02/01/34		11,487		17,170,386
Zoetis Inc.
3.00%, 09/12/27 (Call 06/12/27)		12,811		13,706,685
3.25%, 02/01/23 (Call 11/01/22)		7,594		7,969,886
4.50%, 11/13/25 (Call 08/13/25)^(a)		7,166		8,186,927
4.70%, 02/01/43 (Call 08/01/42)^(a)		9,561		12,275,396

				3,108,582,618

Pipelines — 3.8%
Cheniere Corpus Christi Holdings LLC
3.70%, 11/15/29 (Call 05/18/29)^(b)		16,700		16,718,621
5.13%, 06/30/27 (Call 01/01/27)		16,517		17,995,452
5.88%, 03/31/25 (Call 10/02/24)		16,092		18,047,537
7.00%, 06/30/24 (Call 01/01/24)		8,439		9,667,323
PipelinesEnable Midstream Partners LP, 4.95%, 05/15/28 (Call 02/15/28)^(a)		8,904		9,021,385
Enbridge Inc.
3.13%, 11/15/29 (Call 08/15/29)^(a)		12,337		12,786,909
4.00%, 10/01/23 (Call 07/01/23)^(a)		4,785		5,138,074
4.25%, 12/01/26 (Call 09/01/26)^(a)		11,960		13,526,327
5.50%, 12/01/46 (Call 06/01/46)		7,897		10,535,464
Energy Transfer Operating LP
2.90%, 05/15/25 (Call 04/15/25)		15,960		16,255,199
3.75%, 05/15/30 (Call 02/15/30)		17,935		18,177,644
4.05%, 03/15/25 (Call 12/15/24)^(a)		10,994		11,763,518
4.25%, 03/15/23 (Call 12/15/22)		2,727		2,888,265
4.50%, 04/15/24 (Call 03/15/24)		9,130		9,873,103
4.75%, 01/15/26 (Call 10/15/25)^(a)		11,469		12,644,891
4.95%, 06/15/28 (Call 03/15/28)^(a)		9,575		10,546,615
5.00%, 05/15/50 (Call 11/15/49)		23,275		23,509,179
5.15%, 03/15/45 (Call 09/15/44)		5,075		5,153,104
5.25%, 04/15/29 (Call 01/15/29)^(a)		20,268		22,780,612
5.30%, 04/15/47 (Call 10/15/46)^(a)		8,633		8,961,269
5.50%, 06/01/27 (Call 03/01/27)^(a)		8,002		9,155,368
5.88%, 01/15/24 (Call 10/15/23)^(a)		7,117		7,981,372
6.13%, 12/15/45 (Call 06/15/45)^(a)		11,267		12,677,995
6.25%, 04/15/49 (Call 10/15/48)^(a)		17,145		19,807,716
6.50%, 02/01/42 (Call 08/01/41)^(a)		8,665		10,161,518
Series 30Y, 6.00%, 06/15/48 (Call 12/15/47)		10,870		12,237,042
Enterprise Products Operating LLC
2.80%, 01/31/30 (Call 10/31/29)^(a)		12,315		12,591,176
3.13%, 07/31/29 (Call 04/30/29)^(a)		13,701		14,310,722
3.35%, 03/15/23 (Call 12/15/22)^(a)		8,715		9,144,324
3.70%, 02/15/26 (Call 11/15/25)^(a)		12,735		13,943,029
3.70%, 01/31/51 (Call 07/31/50)		6,650		6,613,337
3.75%, 02/15/25 (Call 11/15/24)^(a)		15,312		16,622,335
3.90%, 02/15/24 (Call 11/15/23)^(a)		5,116		5,509,919
3.95%, 01/31/60 (Call 07/31/59)^(a)		7,299		7,170,336
4.15%, 10/16/28 (Call 07/16/28)		11,488		12,943,773
4.20%, 01/31/50 (Call 07/31/49)^(a)		13,177		14,027,762
4.25%, 02/15/48 (Call 08/15/47)^(a)		15,042		16,019,873
4.45%, 02/15/43 (Call 08/15/42)^(a)		12,709		14,291,945
4.80%, 02/01/49 (Call 08/01/48)		12,802		14,885,532


Security	Par (000)		Value

Pipelines (continued)
4.85%, 08/15/42 (Call 02/15/42)^(a)	$	9,639	$	11,305,149
4.85%, 03/15/44 (Call 09/15/43)^(a)		13,417		15,337,564
4.90%, 05/15/46 (Call 11/15/45)^(a)		11,631		13,707,321
5.10%, 02/15/45 (Call 08/15/44)^(a)		11,904		14,321,663
5.95%, 02/01/41		6,680		8,537,383
Kinder Morgan Energy Partners LP
5.50%, 03/01/44 (Call 09/01/43)		7,749		9,189,951
6.95%, 01/15/38		11,079		14,857,493
Kinder Morgan Inc./DE
4.30%, 06/01/25 (Call 03/01/25)^(a)		12,269		13,530,939
4.30%, 03/01/28 (Call 12/01/27)^(a)		13,760		15,355,283
5.05%, 02/15/46 (Call 08/15/45)^(a)		10,339		11,559,522
5.20%, 03/01/48 (Call 09/01/47)^(a)		10,253		12,013,138
5.30%, 12/01/34 (Call 06/01/34)^(a)		2,129		2,552,761
5.55%, 06/01/45 (Call 12/01/44)^(a)		20,160		23,960,033
7.75%, 01/15/32		7,018		10,219,351
MPLX LP
4.00%, 03/15/28 (Call 12/15/27)^(a)		14,445		15,112,508
4.13%, 03/01/27 (Call 12/01/26)^(a)		13,131		14,088,081
4.50%, 07/15/23 (Call 04/15/23)^(a)		3,133		3,390,127
4.50%, 04/15/38 (Call 10/15/37)^(a)		17,238		17,534,856
4.70%, 04/15/48 (Call 10/15/47)^(a)		15,609		15,852,084
4.80%, 02/15/29 (Call 11/15/28)^(a)		11,018		12,342,909
4.88%, 12/01/24 (Call 09/01/24)^(a)		12,071		13,381,994
4.88%, 06/01/25 (Call 03/01/25)		14,254		15,866,059
5.20%, 03/01/47 (Call 09/01/46)^(a)		9,963		10,941,563
5.50%, 02/15/49 (Call 08/15/48)^(a)		14,878		16,687,684
ONEOK Inc.
3.40%, 09/01/29 (Call 06/01/29)^(a)		7,652		7,919,717
4.45%, 09/01/49 (Call 03/01/49)^(a)		7,191		7,328,403
4.55%, 07/15/28 (Call 04/15/28)^(a)		16,175		18,079,050
5.20%, 07/15/48 (Call 01/15/48)		8,850		10,054,279
Plains All American Pipeline LP/PAA Finance Corp.
3.55%, 12/15/29 (Call 09/15/29)^(a)		9,802		9,621,916
3.60%, 11/01/24 (Call 08/01/24)^(a)		8,645		9,004,612
4.50%, 12/15/26 (Call 09/15/26)^(a)		9,093		9,905,178
4.65%, 10/15/25 (Call 07/15/25)^(a)		12,194		13,278,166
Sabine Pass Liquefaction LLC
4.20%, 03/15/28 (Call 09/15/27)		16,377		17,385,394
5.00%, 03/15/27 (Call 09/15/26)^(a)		14,233		15,724,280
5.63%, 04/15/23 (Call 01/15/23)^(a)		14,302		15,697,982
5.63%, 03/01/25 (Call 12/01/24)^(a)		14,940		16,985,172
5.75%, 05/15/24 (Call 02/15/24)^(a)		19,830		22,305,413
5.88%, 06/30/26 (Call 12/31/25)		21,415		24,848,827
PipelinesSpectra Energy Partners LP, 4.75%, 03/15/24 (Call 12/15/23)^(a)		5,603		6,191,225
Sunoco Logistics Partners Operations LP
4.00%, 10/01/27 (Call 07/01/27)^(a)		3,780		3,969,559
5.35%, 05/15/45 (Call 11/15/44)		9,515		9,926,809
5.40%, 10/01/47 (Call 04/01/47)		16,848		17,803,512
TransCanada PipeLines Ltd.
4.25%, 05/15/28 (Call 02/15/28)^(a)		17,784		20,022,485
4.63%, 03/01/34 (Call 12/01/33)		14,883		17,262,181
4.88%, 01/15/26 (Call 10/15/25)		3,089		3,552,196
4.88%, 05/15/48 (Call 11/15/47)^(a)		10,995		13,126,715
5.10%, 03/15/49 (Call 09/15/48)		9,723		12,065,156
6.10%, 06/01/40^(a)		6,539		8,874,962
6.20%, 10/15/37^(a)		10,347		14,023,888
7.63%, 01/15/39^(a)		13,286		20,222,465


Security	Par (000)		Value

Pipelines (continued)
PipelinesTranscontinental Gas Pipe Line Co. LLC, 7.85%, 02/01/26 (Call 11/01/25)^(a)	$	12,251	$	15,829,597
Western Midstream Operating LP
3.10%, 02/01/25 (Call 01/01/25)^(a)		3,660		3,652,711
4.05%, 02/01/30 (Call 11/01/29)		12,375		12,145,122
5.25%, 02/01/50 (Call 08/01/49)^(a)		6,150		5,699,870
Williams Companies Inc. (The)
3.75%, 06/15/27 (Call 03/15/27)^(a)		16,882		17,781,686
3.90%, 01/15/25 (Call 10/15/24)^(a)		10,317		11,045,502
4.00%, 09/15/25 (Call 06/15/25)^(a)		9,954		10,775,243
4.30%, 03/04/24 (Call 12/04/23)^(a)		4,986		5,403,685
4.55%, 06/24/24 (Call 03/24/24)^(a)		1,921		2,109,559
4.85%, 03/01/48 (Call 09/01/47)^(a)		9,396		9,933,366
5.10%, 09/15/45 (Call 03/15/45)^(a)		10,146		11,135,203
6.30%, 04/15/40^(a)		12,509		14,984,566

				1,263,406,633

Real Estate Investment Trusts — 1.5%
Real Estate Investment TrustsAlexandria Real Estate Equities Inc., 3.38%, 08/15/31 (Call 05/15/31)		7,036		7,778,386
American Tower Corp.
2.40%, 03/15/25 (Call 02/15/25)		8,770		9,014,803
2.75%, 01/15/27 (Call 11/15/26)^(a)		5,600		5,842,010
2.90%, 01/15/30 (Call 10/15/29)^(a)		8,155		8,472,507
3.38%, 10/15/26 (Call 07/15/26)^(a)		8,889		9,613,539
3.55%, 07/15/27 (Call 04/15/27)^(a)		7,375		7,991,308
3.80%, 08/15/29 (Call 05/15/29)^(a)		17,445		19,276,887
4.00%, 06/01/25 (Call 03/01/25)^(a)		7,851		8,630,231
5.00%, 02/15/24^(a)		12,269		13,791,195
Boston Properties LP
2.75%, 10/01/26 (Call 07/01/26)		14,858		15,629,298
3.20%, 01/15/25 (Call 10/15/24)^(a)		10,486		11,173,174
3.40%, 06/21/29 (Call 03/21/29)		9,790		10,717,326
3.65%, 02/01/26 (Call 11/03/25)^(a)		11,763		12,856,598
3.85%, 02/01/23 (Call 11/01/22)		2,369		2,514,961
4.50%, 12/01/28 (Call 09/01/28)^(a)		5,624		6,637,856
Real Estate Investment TrustsBrixmor Operating Partnership LP, 4.13%, 05/15/29 (Call 02/15/29)^(a)		4,721		5,300,761
Real Estate Investment TrustsCC Holdings GS V LLC/Crown Castle GS III Corp., 3.85%, 04/15/23		9,757		10,386,496
Crown Castle International Corp.
3.15%, 07/15/23 (Call 06/15/23)		3,194		3,334,001
3.20%, 09/01/24 (Call 07/01/24)^(a)		8,047		8,507,490
3.65%, 09/01/27 (Call 06/01/27)^(a)		9,437		10,316,205
3.70%, 06/15/26 (Call 03/15/26)		6,300		6,864,512
3.80%, 02/15/28 (Call 11/15/27)^(a)		12,855		14,136,448
4.45%, 02/15/26 (Call 11/15/25)		8,009		9,105,730
Digital Realty Trust LP
3.60%, 07/01/29 (Call 04/01/29)^(a)		5,806		6,322,105
3.70%, 08/15/27 (Call 05/15/27)^(a)		12,408		13,707,646
Equinix Inc.
2.63%, 11/18/24 (Call 10/18/24)		3,815		3,916,336
3.20%, 11/18/29 (Call 08/18/29)^(a)		21,480		22,612,640
5.38%, 05/15/27 (Call 05/15/22)		2,981		3,217,244
5.88%, 01/15/26 (Call 01/15/21)		1,691		1,788,588
Real Estate Investment TrustsERP Operating LP, 4.50%, 07/01/44 (Call 01/01/44)		6,658		8,580,508
GLP Capital LP/GLP Financing II Inc.
5.25%, 06/01/25 (Call 03/01/25)		9,206		10,396,015
5.30%, 01/15/29 (Call 10/15/28)^(a)		7,916		9,246,553
5.38%, 04/15/26 (Call 01/15/26)^(a)		9,240		10,510,980


Security	Par (000)		Value

Real Estate Investment Trusts (continued)
Healthpeak Properties Inc.
3.00%, 01/15/30 (Call 10/15/29)	$	3,629	$	3,828,457
3.88%, 08/15/24 (Call 05/17/24)^(a)		9,724		10,549,675
4.00%, 06/01/25 (Call 03/01/25)^(a)		10,213		11,325,103
Real Estate Investment TrustsPrologis LP, 2.25%, 04/15/30 (Call 01/15/30)		10,000		10,041,281
Real Estate Investment TrustsRealty Income Corp., 4.65%, 08/01/23 (Call 05/01/23)		2,555		2,808,115
Simon Property Group LP
2.00%, 09/13/24 (Call 06/13/24)^(a)		11,300		11,503,596
2.45%, 09/13/29 (Call 06/13/29)^(a)		14,983		15,276,791
3.25%, 11/30/26 (Call 08/30/26)^(a)		1,909		2,077,875
3.25%, 09/13/49 (Call 03/13/49)^(a)		12,239		12,783,547
3.30%, 01/15/26 (Call 10/15/25)		9,000		9,728,266
3.38%, 10/01/24 (Call 07/01/24)		12,787		13,733,182
3.38%, 06/15/27 (Call 03/15/27)^(a)		8,870		9,675,687
3.38%, 12/01/27 (Call 09/01/27)^(a)		6,937		7,558,455
Real Estate Investment TrustsVentas Realty LP, 4.40%, 01/15/29 (Call 10/15/28)^(a)		5,023		5,782,336
Welltower Inc.
3.10%, 01/15/30 (Call 10/15/29)^(a)		3,471		3,705,093
3.63%, 03/15/24 (Call 02/15/24)^(a)		6,963		7,493,244
4.00%, 06/01/25 (Call 03/01/25)^(a)		22,469		24,771,488
4.25%, 04/15/28 (Call 01/15/28)		6,047		6,893,455
Weyerhaeuser Co.
4.00%, 11/15/29 (Call 08/15/29)^(a)		2,428		2,751,137
7.38%, 03/15/32		14,565		21,007,286

				501,484,406

Retail — 3.7%
Costco Wholesale Corp.
2.75%, 05/18/24 (Call 03/18/24)		10,448		11,041,747
3.00%, 05/18/27 (Call 02/18/27)		4,924		5,376,481
RetailDollar General Corp., 3.25%, 04/15/23 (Call 01/15/23)^(a)		3,674		3,856,887
Dollar Tree Inc.
3.70%, 05/15/23 (Call 04/15/23)		14,217		15,093,708
4.00%, 05/15/25 (Call 03/15/25)^(a)		8,160		8,962,273
4.20%, 05/15/28 (Call 02/15/28)^(a)		16,027		17,854,062
Home Depot Inc. (The)
2.13%, 09/15/26 (Call 06/15/26)^(a)		9,762		10,107,773
2.70%, 04/01/23 (Call 01/01/23)		2,307		2,400,088
2.80%, 09/14/27 (Call 06/14/27)^(a)		13,848		14,785,069
2.95%, 06/15/29 (Call 03/15/29)^(a)		9,120		9,840,702
3.00%, 04/01/26 (Call 01/01/26)^(a)		13,561		14,646,128
3.13%, 12/15/49 (Call 06/15/49)		14,792		15,773,815
3.35%, 09/15/25 (Call 06/15/25)^(a)		13,312		14,600,399
3.50%, 09/15/56 (Call 03/15/56)^(a)		5,912		6,654,407
3.75%, 02/15/24 (Call 11/15/23)^(a)		10,904		11,871,552
3.90%, 12/06/28 (Call 09/06/28)^(a)		11,918		13,775,739
3.90%, 06/15/47 (Call 12/15/46)^(a)		10,768		12,829,975
4.20%, 04/01/43 (Call 10/01/42)		10,944		13,323,982
4.25%, 04/01/46 (Call 10/01/45)^(a)		16,833		20,937,130
4.40%, 03/15/45 (Call 09/15/44)^(a)		10,408		13,108,542
4.50%, 12/06/48 (Call 06/06/48)^(a)		15,823		20,646,229
4.88%, 02/15/44 (Call 08/15/43)		10,379		13,794,962
5.88%, 12/16/36^(a)		34,711		49,947,248
5.95%, 04/01/41 (Call 10/01/40)		13,574		20,089,187
Lowe’s Companies Inc.
2.50%, 04/15/26 (Call 01/15/26)^(a)		17,135		17,730,066
3.10%, 05/03/27 (Call 02/03/27)^(a)		14,777		15,802,375


Security	Par (000)		Value

Retail (continued)
3.38%, 09/15/25 (Call 06/15/25)^(a)	$	10,211	$	11,085,901
3.65%, 04/05/29 (Call 01/05/29)^(a)		16,374		18,149,983
3.70%, 04/15/46 (Call 10/15/45)^(a)		15,369		16,364,957
4.05%, 05/03/47 (Call 11/03/46)^(a)		17,570		19,686,391
4.38%, 09/15/45 (Call 03/15/45)		7,928		9,265,786
4.55%, 04/05/49 (Call 10/05/48)^(a)		16,241		19,924,490
4.65%, 04/15/42 (Call 10/15/41)^(a)		1,821		2,215,612
McDonald’s Corp.
2.63%, 09/01/29 (Call 06/01/29)		17,080		17,725,846
3.35%, 04/01/23 (Call 03/01/23)^(a)		9,750		10,303,867
3.50%, 03/01/27 (Call 12/01/26)^(a)		7,306		8,020,091
3.63%, 09/01/49 (Call 03/01/49)^(a)		9,309		10,073,990
3.70%, 01/30/26 (Call 10/30/25)^(a)		19,404		21,494,069
3.80%, 04/01/28 (Call 01/01/28)^(a)		11,857		13,318,643
4.45%, 03/01/47 (Call 09/01/46)		10,984		13,376,884
4.45%, 09/01/48 (Call 03/01/48)		9,021		11,016,941
4.70%, 12/09/35 (Call 06/09/35)^(a)		8,449		10,569,945
4.88%, 12/09/45 (Call 06/09/45)^(a)		13,043		16,654,081
6.30%, 10/15/37^(a)		10,427		14,868,411
6.30%, 03/01/38		8,187		11,791,458
RetailO’Reilly Automotive Inc., 3.60%, 09/01/27 (Call 06/01/27)^(a)		3,571		3,946,113
Starbucks Corp.
3.10%, 03/01/23 (Call 02/01/23)^(a)		2,254		2,360,236
3.55%, 08/15/29 (Call 05/15/29)^(a)		17,116		19,165,699
3.80%, 08/15/25 (Call 06/15/25)^(a)		18,853		20,776,877
3.85%, 10/01/23 (Call 07/01/23)^(a)		1,857		2,000,687
4.00%, 11/15/28 (Call 08/15/28)^(a)		11,270		12,994,506
4.45%, 08/15/49 (Call 02/15/49)^(a)		8,339		10,086,839
4.50%, 11/15/48 (Call 05/15/48)		10,468		12,811,323
Target Corp.
2.35%, 02/15/30 (Call 11/15/29)		3,775		3,882,692
2.50%, 04/15/26^(a)		11,477		12,169,221
3.38%, 04/15/29 (Call 01/15/29)^(a)		11,709		13,019,528
3.50%, 07/01/24^(a)		8,073		8,818,219
3.63%, 04/15/46^(a)		9,030		10,364,093
3.90%, 11/15/47 (Call 05/15/47)^(a)		7,589		9,234,335
4.00%, 07/01/42		18,139		22,151,332
RetailTJX Companies Inc. (The), 2.25%, 09/15/26 (Call 06/15/26)^(a)		6,964		7,248,300
Walgreens Boots Alliance Inc.
3.45%, 06/01/26 (Call 03/01/26)^(a)		21,627		22,757,586
3.80%, 11/18/24 (Call 08/18/24)^(a)		23,467		25,138,280
4.80%, 11/18/44 (Call 05/18/44)^(a)		14,198		14,976,770
Walmart Inc.
2.55%, 04/11/23 (Call 01/11/23)^(a)		3,567		3,703,375
2.65%, 12/15/24 (Call 10/15/24)^(a)		17,859		18,857,463
2.85%, 07/08/24 (Call 06/08/24)		21,317		22,633,338
2.95%, 09/24/49 (Call 03/24/49)^(a)		14,154		15,131,366
3.05%, 07/08/26 (Call 05/08/26)^(a)		13,244		14,401,968
3.25%, 07/08/29 (Call 04/08/29)^(a)		15,793		17,570,736
3.30%, 04/22/24 (Call 01/22/24)		17,849		19,175,813
3.40%, 06/26/23 (Call 05/26/23)^(a)		32,298		34,454,925
3.55%, 06/26/25 (Call 04/26/25)		17,495		19,264,143
3.63%, 12/15/47 (Call 06/15/47)		16,772		19,975,333
3.70%, 06/26/28 (Call 03/26/28)^(a)		32,846		37,272,655
3.95%, 06/28/38 (Call 12/28/37)^(a)		19,394		23,619,144
4.05%, 06/29/48 (Call 12/29/47)^(a)		34,792		44,032,286
5.25%, 09/01/35^(a)		21,541		30,217,846
5.63%, 04/01/40		4,045		5,989,543


Security	Par (000)		Value

Retail (continued)
5.63%, 04/15/41	$	8,755	$	13,090,051
6.20%, 04/15/38^(a)		5,523		8,470,919
6.50%, 08/15/37		641		1,001,160

				1,213,522,572

Semiconductors — 2.3%
Analog Devices Inc.
3.50%, 12/05/26 (Call 09/05/26)^(a)		8,602		9,457,530
3.90%, 12/15/25 (Call 09/15/25)		14,890		16,577,612
Applied Materials Inc.
3.30%, 04/01/27 (Call 01/01/27)^(a)		14,243		15,625,416
4.35%, 04/01/47 (Call 10/01/46)		10,247		13,299,222
Broadcom Corp./Broadcom Cayman Finance Ltd.
3.13%, 01/15/25 (Call 11/15/24)^(a)		10,543		10,892,340
3.50%, 01/15/28 (Call 10/15/27)		12,891		13,245,755
3.63%, 01/15/24 (Call 11/15/23)^(a)		23,865		25,173,599
3.88%, 01/15/27 (Call 10/15/26)		50,243		53,011,676
Broadcom Inc.
3.63%, 10/15/24 (Call 09/15/24)^(b)		22,253		23,440,660
4.25%, 04/15/26 (Call 02/15/26)^(a)(b)		24,390		26,203,394
4.75%, 04/15/29 (Call 01/15/29)^(a)(b)		32,260		35,943,198
Intel Corp.
2.45%, 11/15/29 (Call 08/15/29)		24,550		25,532,157
2.60%, 05/19/26 (Call 02/19/26)^(a)		13,076		13,779,036
2.88%, 05/11/24 (Call 03/11/24)^(a)		16,070		17,024,399
3.10%, 02/15/60 (Call 08/15/59)		11,900		12,217,430
3.15%, 05/11/27 (Call 02/11/27)^(a)		9,992		10,947,615
3.25%, 11/15/49 (Call 05/15/49)		16,235		17,708,443
3.70%, 07/29/25 (Call 04/29/25)		23,735		26,214,080
3.73%, 12/08/47 (Call 06/08/47)		21,246		24,981,113
4.00%, 12/15/32		9,615		11,584,244
4.10%, 05/19/46 (Call 11/19/45)		12,755		15,621,487
4.10%, 05/11/47 (Call 11/11/46)^(a)		12,755		15,719,896
4.80%, 10/01/41^(a)		5,355		7,173,211
4.90%, 07/29/45 (Call 01/29/45)^(a)		7,836		10,641,723
KLA Corp.
3.30%, 03/01/50 (Call 08/28/49)		7,460		7,355,928
4.10%, 03/15/29 (Call 12/15/28)^(a)		7,298		8,308,442
4.65%, 11/01/24 (Call 08/01/24)		13,333		14,989,033
Lam Research Corp.
3.75%, 03/15/26 (Call 01/15/26)		11,991		13,229,516
4.00%, 03/15/29 (Call 12/15/28)^(a)		11,996		13,577,024
4.88%, 03/15/49 (Call 09/15/48)		7,516		9,899,302
SemiconductorsMicrochip Technology Inc., 4.33%, 06/01/23 (Call 05/01/23)		14,303		15,438,029
Micron Technology Inc.
4.19%, 02/15/27 (Call 12/15/26)		8,762		9,488,949
4.66%, 02/15/30 (Call 11/15/29)		10,795		11,896,840
SemiconductorsNVIDIA Corp., 3.20%, 09/16/26 (Call 06/16/26)^(a)		12,005		13,090,833
SemiconductorsNXP BV/NXP Funding LLC, 4.88%, 03/01/24 (Call 02/01/24)^(a)(b)		2,225		2,459,284
NXP BV/NXP Funding LLC/NXP USA Inc.
3.88%, 06/18/26 (Call 04/18/26)^(a)(b)		10,857		11,733,422
4.30%, 06/18/29 (Call 03/18/29)^(a)(b)		13,737		15,399,773
QUALCOMM Inc.
2.90%, 05/20/24 (Call 03/20/24)		10,421		10,956,401
3.25%, 05/20/27 (Call 02/20/27)^(a)		22,302		24,055,649
3.45%, 05/20/25 (Call 02/20/25)^(a)		23,621		25,613,745
4.30%, 05/20/47 (Call 11/20/46)^(a)		17,924		21,475,467
4.65%, 05/20/35 (Call 11/20/34)^(a)		2,644		3,319,711


Security	Par (000)		Value

Semiconductors (continued)
4.80%, 05/20/45 (Call 11/20/44)^(a)	$	18,118	$	23,076,272
Texas Instruments Inc.
2.25%, 09/04/29 (Call 06/04/29)^(a)		9,784		10,004,900
3.88%, 03/15/39 (Call 09/15/38)		7,601		9,026,938
4.15%, 05/15/48 (Call 11/15/47)		16,284		20,629,472

				747,040,166

Software — 3.8%
Adobe Inc.
2.15%, 02/01/27 (Call 12/01/26)		4,890		5,017,958
2.30%, 02/01/30 (Call 11/01/29)		15,000		15,401,196
Fidelity National Information Services Inc.
3.00%, 08/15/26 (Call 05/15/26)^(a)		13,545		14,477,728
3.75%, 05/21/29 (Call 02/21/29)		12,065		13,583,269
Fiserv Inc.
2.75%, 07/01/24 (Call 06/01/24)^(a)		23,840		24,796,542
3.20%, 07/01/26 (Call 05/01/26)^(a)		20,960		22,273,488
3.50%, 07/01/29 (Call 04/01/29)^(a)		33,644		36,775,516
3.80%, 10/01/23 (Call 09/01/23)		1,282		1,373,022
3.85%, 06/01/25 (Call 03/01/25)^(a)		10,025		10,984,160
4.20%, 10/01/28 (Call 07/01/28)^(a)		9,992		11,432,074
4.40%, 07/01/49 (Call 01/01/49)^(a)		20,748		24,817,145
Microsoft Corp.
2.00%, 08/08/23 (Call 06/08/23)^(a)		17,935		18,371,068
2.38%, 05/01/23 (Call 02/01/23)^(a)		5,293		5,468,737
2.40%, 08/08/26 (Call 05/08/26)^(a)		47,192		49,641,666
2.70%, 02/12/25 (Call 11/12/24)^(a)		29,187		30,935,290
2.88%, 02/06/24 (Call 12/06/23)		23,077		24,338,896
3.13%, 11/03/25 (Call 08/03/25)^(a)		30,068		32,700,120
3.30%, 02/06/27 (Call 11/06/26)^(a)		42,376		46,949,735
3.45%, 08/08/36 (Call 02/08/36)		22,364		25,745,640
3.50%, 02/12/35 (Call 08/12/34)^(a)		13,720		15,968,221
3.50%, 11/15/42		9,093		10,635,388
3.63%, 12/15/23 (Call 09/15/23)^(a)		13,744		14,861,787
3.70%, 08/08/46 (Call 02/08/46)^(a)		47,037		57,185,040
3.75%, 02/12/45 (Call 08/12/44)^(a)		17,761		21,439,873
3.95%, 08/08/56 (Call 02/08/56)^(a)		25,556		32,413,963
4.00%, 02/12/55 (Call 08/12/54)^(a)		23,737		30,373,765
4.10%, 02/06/37 (Call 08/06/36)^(a)		25,433		31,511,355
4.20%, 11/03/35 (Call 05/03/35)^(a)		9,712		12,098,310
4.25%, 02/06/47 (Call 08/06/46)^(a)		31,686		41,520,561
4.45%, 11/03/45 (Call 05/03/45)^(a)		31,293		41,792,412
4.50%, 10/01/40^(a)		11,541		15,312,367
4.50%, 02/06/57 (Call 08/06/56)		21,275		29,803,886
4.75%, 11/03/55 (Call 05/03/55)^(a)		11,455		16,532,846
5.20%, 06/01/39^(a)		7,806		11,071,959
5.30%, 02/08/41		1,543		2,222,734
Oracle Corp.
2.40%, 09/15/23 (Call 07/15/23)^(a)		19,377		20,019,456
2.65%, 07/15/26 (Call 04/15/26)^(a)		34,644		36,540,915
2.95%, 11/15/24 (Call 09/15/24)^(a)		21,584		22,920,783
2.95%, 05/15/25 (Call 02/15/25)^(a)		24,931		26,545,738
3.25%, 11/15/27 (Call 08/15/27)^(a)		36,609		40,130,819
3.40%, 07/08/24 (Call 04/08/24)^(a)		13,005		13,983,473
3.63%, 07/15/23^(a)		14,395		15,472,723
3.80%, 11/15/37 (Call 05/15/37)^(a)		19,389		22,543,695
3.85%, 07/15/36 (Call 01/15/36)^(a)		10,936		12,708,455
3.90%, 05/15/35 (Call 11/15/34)		11,866		13,928,768
4.00%, 07/15/46 (Call 01/15/46)		32,818		39,202,404
4.00%, 11/15/47 (Call 05/15/47)^(a)		24,550		29,703,040
4.13%, 05/15/45 (Call 11/15/44)^(a)		18,322		22,234,130


Security	Par (000)		Value

Software (continued)
4.30%, 07/08/34 (Call 01/08/34)^(a)	$	20,412	$	25,122,153
4.38%, 05/15/55 (Call 11/15/54)		11,446		14,535,287
4.50%, 07/08/44 (Call 01/08/44)		11,963		15,166,525
5.38%, 07/15/40		23,141		31,857,627
6.13%, 07/08/39		13,874		20,508,655
6.50%, 04/15/38^(a)		9,045		13,753,797
salesforce.com Inc.
3.25%, 04/11/23 (Call 03/11/23)^(a)		745		785,185
3.70%, 04/11/28 (Call 01/11/28)		14,694		16,589,335
SoftwareVMware Inc., 3.90%, 08/21/27 (Call 05/21/27)^(a)		15,876		17,057,568

				1,271,138,248

Telecommunications — 6.6%
AT&T Inc.
3.40%, 05/15/25 (Call 02/15/25)^(a)		54,495		57,997,154
3.60%, 07/15/25 (Call 04/15/25)^(a)		17,587		18,957,374
3.80%, 03/01/24 (Call 01/01/24)^(a)		3,947		4,254,746
3.80%, 02/15/27 (Call 11/15/26)		13,770		15,173,029
3.90%, 03/11/24 (Call 12/11/23)^(a)		3,774		4,072,962
3.95%, 01/15/25 (Call 10/15/24)		22,384		24,466,652
4.10%, 02/15/28 (Call 11/15/27)^(a)		25,338		28,298,725
4.13%, 02/17/26 (Call 11/17/25)^(a)		32,212		35,820,630
4.25%, 03/01/27 (Call 12/01/26)^(a)		17,608		19,685,800
4.30%, 02/15/30 (Call 11/15/29)		33,325		38,058,063
4.30%, 12/15/42 (Call 06/15/42)^(a)		21,983		24,399,213
4.35%, 03/01/29 (Call 12/01/28)^(a)		31,377		35,735,981
4.35%, 06/15/45 (Call 12/15/44)^(a)		31,219		34,680,738
4.45%, 04/01/24 (Call 01/01/24)^(a)		8,844		9,786,795
4.50%, 05/15/35 (Call 11/15/34)		24,924		28,657,887
4.50%, 03/09/48 (Call 09/09/47)^(a)		47,525		54,304,750
4.55%, 03/09/49 (Call 09/09/48)^(a)		27,454		31,645,710
4.75%, 05/15/46 (Call 11/15/45)		37,020		43,384,749
4.80%, 06/15/44 (Call 12/15/43)^(a)		27,088		31,700,098
4.85%, 03/01/39 (Call 09/01/38)		20,246		24,216,374
4.85%, 07/15/45 (Call 01/15/45)^(a)		6,752		7,986,956
4.90%, 08/15/37 (Call 02/14/37)^(a)		14,740		17,587,939
5.15%, 03/15/42^(a)		12,379		15,189,817
5.15%, 11/15/46 (Call 05/15/46)^(a)		19,110		23,565,013
5.15%, 02/15/50 (Call 08/14/49)^(a)		16,982		21,161,922
5.25%, 03/01/37 (Call 09/01/36)^(a)		31,983		39,362,927
5.35%, 09/01/40		17,157		21,815,747
5.45%, 03/01/47 (Call 09/01/46)^(a)		22,202		28,538,844
5.55%, 08/15/41^(a)		11,018		14,089,858
5.65%, 02/15/47 (Call 08/15/46)^(a)		15,662		20,678,802
5.70%, 03/01/57 (Call 09/01/56)^(a)		9,110		12,264,203
6.00%, 08/15/40 (Call 05/15/40)^(a)		13,346		17,769,392
6.30%, 01/15/38^(a)		841		1,145,200
6.38%, 03/01/41^(a)		8,492		11,726,262
TelecommunicationsBritish Telecommunications PLC, 9.63%, 12/15/30		30,749		48,675,885
Cisco Systems Inc.
2.20%, 09/20/23 (Call 07/20/23)^(a)		1,731		1,776,453
2.50%, 09/20/26 (Call 06/20/26)^(a)		13,963		14,758,367
2.95%, 02/28/26^(a)		7,922		8,583,990
3.63%, 03/04/24^(a)		401		436,789
5.50%, 01/15/40^(a)		22,050		31,820,104
5.90%, 02/15/39^(a)		20,622		30,644,432
Corning Inc.
4.38%, 11/15/57 (Call 05/15/57)		1,073		1,180,988
5.45%, 11/15/79 (Call 05/15/79)^(a)		15,595		17,398,772


Security	Par (000)		Value

Telecommunications (continued)
TelecommunicationsDeutsche Telekom International Finance BV, 8.75%, 06/15/30^(a)	$	38,927	$	60,318,690
TelecommunicationsMotorola Solutions Inc., 4.60%, 05/23/29 (Call 02/23/29)^(a)		5,860		6,724,686
Orange SA
5.38%, 01/13/42^(a)		8,474		11,817,765
5.50%, 02/06/44 (Call 08/06/43)		8,577		12,225,932
9.00%, 03/01/31		27,782		44,181,162
Rogers Communications Inc.
3.70%, 11/15/49 (Call 05/15/49)^(a)		9,180		10,068,213
4.10%, 10/01/23 (Call 07/01/23)^(a)		637		695,038
4.30%, 02/15/48 (Call 08/15/47)		8,113		9,615,489
4.35%, 05/01/49 (Call 11/01/48)^(a)		13,410		16,143,571
5.00%, 03/15/44 (Call 09/15/43)^(a)		11,384		14,655,316
Telefonica Emisiones SA
4.10%, 03/08/27^(a)		9,308		10,332,241
4.57%, 04/27/23		7,731		8,442,213
4.67%, 03/06/38		4,940		5,752,794
4.90%, 03/06/48		13,904		16,670,441
5.21%, 03/08/47		26,884		33,267,676
5.52%, 03/01/49 (Call 09/01/48)^(a)		13,992		18,149,072
7.05%, 06/20/36^(a)		21,473		32,057,040
TelecommunicationsTelefonica Europe BV, 8.25%, 09/15/30		10,492		15,745,649
TelecommunicationsTELUS Corp., 4.60%, 11/16/48 (Call 05/16/48)		8,372		10,531,751
Verizon Communications Inc.
2.63%, 08/15/26^(a)		11,331		11,893,722
3.38%, 02/15/25^(a)		30,185		32,670,391
3.50%, 11/01/24 (Call 08/01/24)		14,002		15,125,310
3.85%, 11/01/42 (Call 05/01/42)		10,840		12,445,497
3.88%, 02/08/29 (Call 11/08/28)^(a)		11,459		13,092,878
4.02%, 12/03/29 (Call 09/03/29)^(a)		47,515		55,200,252
4.13%, 03/16/27^(a)		27,324		31,104,598
4.13%, 08/15/46^(a)		12,063		14,556,025
4.27%, 01/15/36^(a)		30,160		36,154,746
4.33%, 09/21/28		62,618		73,501,872
4.40%, 11/01/34 (Call 05/01/34)^(a)		29,768		36,422,815
4.50%, 08/10/33		31,995		39,141,291
4.52%, 09/15/48^(a)		44,387		57,195,779
4.67%, 03/15/55		17,649		23,423,440
4.81%, 03/15/39^(a)		16,434		21,072,418
4.86%, 08/21/46		42,718		56,528,913
5.01%, 04/15/49^(a)		28,227		38,873,917
5.01%, 08/21/54^(a)		1,925		2,691,848
5.15%, 09/15/23^(a)		13,896		15,631,758
5.25%, 03/16/37^(a)		29,729		39,580,560
5.50%, 03/16/47		12,962		18,474,727
6.55%, 09/15/43		10,726		16,969,979
Vodafone Group PLC
3.75%, 01/16/24		22,541		24,227,779
4.13%, 05/30/25^(a)		24,328		27,039,244
4.25%, 09/17/50		15,049		16,520,556
4.38%, 05/30/28^(a)		35,288		40,500,161
4.38%, 02/19/43^(a)		15,410		17,709,354
4.88%, 06/19/49^(a)		18,387		22,087,943
5.00%, 05/30/38		3,140		3,810,858
5.25%, 05/30/48^(a)		30,404		38,316,121
6.15%, 02/27/37^(a)		20,845		28,911,838

				2,191,727,421


Security	Par (000)		Value

Toys, Games & Hobbies — 0.0%
Toys, Games & HobbiesHasbro Inc., 3.90%, 11/19/29 (Call 08/19/29)	$	10,013	$	10,520,852


Transportation — 1.4%
Burlington Northern Santa Fe LLC
3.55%, 02/15/50 (Call 08/15/49)		9,060		10,218,542
3.85%, 09/01/23 (Call 06/01/23)^(a)		3,617		3,892,597
3.90%, 08/01/46 (Call 02/01/46)^(a)		8,259		9,617,143
4.05%, 06/15/48 (Call 12/15/47)		8,677		10,437,630
4.13%, 06/15/47 (Call 12/15/46)^(a)		5,549		6,721,081
4.15%, 04/01/45 (Call 10/01/44)^(a)		10,578		12,675,508
4.15%, 12/15/48 (Call 06/15/48)^(a)		8,204		9,982,205
4.45%, 03/15/43 (Call 09/15/42)^(a)		8,475		10,528,986
4.55%, 09/01/44 (Call 03/01/44)		7,032		8,861,192
4.90%, 04/01/44 (Call 10/01/43)		10,364		13,590,365
5.75%, 05/01/40 (Call 11/01/39)^(a)		8,491		12,079,220
TransportationCanadian Pacific Railway Co., 6.13%, 09/15/15 (Call 03/15/15)		8,781		14,288,400
CSX Corp.
3.25%, 06/01/27 (Call 03/01/27)^(a)		5,921		6,446,601
3.80%, 03/01/28 (Call 12/01/27)		13,106		14,732,356
3.80%, 11/01/46 (Call 05/01/46)^(a)		8,733		9,732,189
4.10%, 03/15/44 (Call 09/15/43)^(a)		6,192		7,140,700
4.25%, 03/15/29 (Call 12/15/28)^(a)		12,291		14,262,904
4.30%, 03/01/48 (Call 09/01/47)^(a)		7,926		9,517,929
FedEx Corp.
3.10%, 08/05/29 (Call 05/05/29)^(a)		12,873		13,339,380
3.25%, 04/01/26 (Call 01/01/26)^(a)		8,304		8,899,244
4.00%, 01/15/24^(a)		7,343		7,986,378
4.05%, 02/15/48 (Call 08/15/47)		10,340		10,429,647
4.40%, 01/15/47 (Call 07/15/46)^(a)		7,812		8,242,614
4.55%, 04/01/46 (Call 10/01/45)^(a)		12,789		13,797,184
4.75%, 11/15/45 (Call 05/15/45)		11,778		13,042,431
4.95%, 10/17/48 (Call 04/17/48)^(a)		8,584		9,735,829
5.10%, 01/15/44^(a)		8,043		9,328,848
TransportationNorfolk Southern Corp., 5.10%, 08/01/18 (Call 02/01/18)		7,718		10,160,345
Union Pacific Corp.
2.40%, 02/05/30 (Call 11/05/29)^(a)		11,200		11,469,126
3.25%, 02/05/50 (Call 08/05/49)		12,000		12,363,653
3.70%, 03/01/29 (Call 12/01/28)		3,226		3,634,159
3.75%, 02/05/70 (Call 08/05/69)		10,000		10,410,354
3.80%, 10/01/51 (Call 04/01/51)^(a)		6,104		6,849,110
3.95%, 09/10/28 (Call 06/10/28)^(a)		20,831		23,663,079
4.30%, 03/01/49 (Call 09/01/48)		7,403		8,946,323
4.38%, 09/10/38 (Call 03/10/38)^(a)		10,495		12,526,518
United Parcel Service Inc.
2.50%, 04/01/23 (Call 03/01/23)^(a)		4,333		4,479,330
3.05%, 11/15/27 (Call 08/15/27)^(a)		14,832		16,041,895
3.40%, 03/15/29 (Call 12/15/28)^(a)		9,649		10,722,625
3.75%, 11/15/47 (Call 05/15/47)^(a)		12,617		14,043,308
4.25%, 03/15/49 (Call 09/15/48)^(a)		5,709		6,872,470


Security	Par/ Shares (000)			Value

Transportation (continued)
6.20%, 01/15/38^(a)	$	15,327		$	22,502,731

					454,212,129

Water — 0.1%
American Water Capital Corp.
3.75%, 09/01/47 (Call 03/01/47)^(a)		12,193			13,874,406
6.59%, 10/15/37^(a)		3,014			4,521,583

					18,395,989


Total Corporate Bonds & Notes — 97.7% (Cost: $30,229,897,499)					32,329,184,707


Short-Term Investments

Money Market Funds — 10.5%
BlackRock Cash Funds: Institutional, SL Agency Shares, 1.74%^(d)(e)(f)		2,751,473			2,753,399,512
BlackRock Cash Funds: Treasury, SL Agency Shares, 1.52%^(d)(e)		724,234			724,234,000

					3,477,633,512


Total Short-Term Investments — 10.5% (Cost: $3,476,168,938)					3,477,633,512


Total Investments Before Investments Sold Short — 108.2% (Cost: $33,706,066,437)					35,806,818,219


Investments Sold Short

Corporate Bonds & Notes — (0.0)%
Macy’s Retail Holdings Inc., 2.88%, 02/15/23		(2	)		(2,008	)


Total Corporate Bonds & Notes (Proceeds $(2,164))					(2,008	)


Total Investments Sold Short — (0.0)% (Proceeds $2,164)					(2,008	)


Total Investments, Net of Investments Sold Short — 108.2% (Cost: $33,706,064,273)					35,806,816,211

Other Assets, Less Liabilities — (8.2)%					(2,700,058,598	)


Net Assets — 100.0%				$	33,106,757,613

^(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 issued at a fixed coupon rate, which converts to a variable rate at a specified date.

^(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 29, 2020, 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 is organized as a Delaware statutory trust and is authorized to have multiple series or portfolios.

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

Investment Transactions and Income Recognition: Investment 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.

Recent Accounting Standards: The Funds have adopted Financial Accounting Standards Board Accounting Standards Update 2017-08 to amend the amortization period for certain purchased callable debt securities held at a premium. Under the new standard, the Funds have changed the amortization period for the premium on certain purchased callable debt securities with non-contingent call features to the earliest call date. In accordance with the transition provisions of the standard, the Funds applied the amendments on a modified retrospective basis beginning with the fiscal period ended February 29, 2020. The adjusted cost basis of securities at February 28, 2019 are as follows:

This change in accounting policy has been made to comply with the newly issued accounting standard and had no impact on accumulated earnings (loss) or the net asset value of the Funds.

Investment Valuation Policies: Each Fund’s investments are valued at fair value (also referred to as “market value” within the financial statements) 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. A fund determines the fair value of its financial instruments using various independent dealers or pricing services under policies approved by the Board of Trustees of the Trust (the “Board”). The BlackRock Global Valuation Methodologies Committee (the “Global Valuation Committee”) is the committee formed by management to develop global pricing policies and procedures and to oversee the pricing function for all financial instruments.

Fair Value Inputs and Methodologies: The following methods and inputs are used to establish the fair value of each Fund’s assets and liabilities:

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.

Short Positions: From time to time, in order to track the performance of its benchmark index, a fund may sell non-index securities that will be received through corporate actions occurring on the opening of market trading on the following business day. A fund may also experience temporary short positions due to the timing of portfolio securities trades and in-kind redemption transactions. Such short positions are valued consistent with how securities are valued as described under Investment Valuation and Fair Value Measurements. The obligation to deliver the securities is recorded as a liability in the statement of assets and liabilities and is equal to the current fair value of the securities to be delivered. Any market fluctuations between the value of the obligation to sell these securities and the current fair value are reflected as unrealized appreciation (depreciation) in the statement of operations. Upon receipt of the securities related to the corporate actions or purchase of the securities related to the short position, a realized gain (loss) is recorded. Dividends or interest on securities sold short, if any, are reflected as an expense in the statement of operations. Details of the short positions, if any, are included in the schedule of investments.

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.

As of February 29, 2020, 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 BlackRock FundAdvisors (“BFA”), the Funds’ investment adviser, or its affiliates 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, if any, are also disclosed in its schedule of investments. The market value of any securities on loan as of February 29, 2020 and the value of the related cash collateral are disclosed in the statements of assets and liabilities.

The following table is a summary of the securities lending agreements by counterparty which are subject to offset under an MSLA as of February 29, 2020:

Investment Advisory Fees: 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 AdvisoryAgreement, 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 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:

Each reduced investment advisory fee level reflects a 5% reduction (rounded to the fourth decimal place)from the investment advisory fee at the prior aggregate average daily net asset level.

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:

Each reduced investment advisory fee level reflects a 5% reduction (rounded to the fourth decimal place) from the investment advisory fee at the prior aggregate average daily net asset level.

The share of securities lending income earned by each Fund is shown as securities lending income — affiliated — net in its statement of operations. For the year ended February 29, 2020, the Funds paid BTC the following amounts for securities lending agent services:

Officers and Trustees: Certain officers and/or trustees of the Trust are officers and/or trustees of BlackRock or its affiliates.

For the year ended February 29, 2020, transactions executed by the Funds pursuant to Rule 17a-7 under the 1940 Act were as follows:

A fund, 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.

For the year ended February 29, 2020, purchases and sales of investments, excluding in-kind transactions and short-term investments, were as follows:

Management has analyzed tax laws and regulations and their application to the Funds as of February 29, 2020, inclusive of the open tax return years, and does not believe that there are any uncertain tax positions that require recognition of a tax liability in the Funds’ financial statements.

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. As of February 29, 2020, the following permanent differences attributable to realized gains (losses) from in-kind redemptions, were reclassified to the following accounts:

As of February 29, 2020, the tax components of accumulated net earnings (losses) were as follows:

For the year ended February 29, 2020, the iShares iBoxx $ Investment Grade Corporate Bond ETF utilized $84,554,788 of its capital loss carryforwards.

As of February 29, 2020, gross unrealized appreciation and depreciation based on cost of investments (including short positions and derivatives, if any) for U.S. federal income tax purposes were as follows:

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.

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 shares sold in the table above.

On June 16, 2016, investors 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 Preferred and Income Securities ETF) filed a 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. In an opinion dated January 23, 2020, the California Court of Appeal affirmed the dismissal of Plaintiffs’ claims. On March 3, 2020, plaintiffs filed a petition for review by the California Supreme Court.

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 29, 2020, the related statements of operations for the year ended February 29, 2020, the statements of changes in net assets for each of the two years in the period ended February 29, 2020, including the related notes, and the financial highlights for each of the five years in the period ended February 29, 2020 (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 29, 2020, 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 29, 2020 and each of the financial highlights for each of the five years in the period ended February 29, 2020 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 29, 2020 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.

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”).

Beginning on January 1, 2021, as permitted by regulations adopted by the Securities and Exchange Commission, paper copies of the Fund’s shareholder reports will no longer be sent by mail, unless you specifically request paper copies of the reports from your financial intermediary, such as a broker-dealer or bank. Instead, the reports will be made available on a website, and you will be notified by mail each time a report is posted and provided with a website link to access the report.

The iShares Interest Rate Hedged Long-Term Corporate Bond ETF (the “Fund”) seeks to mitigate the interest rate risk of a portfolio composed of U.S. dollar-denominated investment-grade corporate bonds with remaining maturities greater than ten years. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index. The Fund currently seeks to achieve its investment objective by investing a substantial portion of its assets in one underlying fund, the iShares Long-Term Corporate Bond ETF. The Fund attempts to mitigate the interest rate risk of the underlying fund by holding short positions in U.S. Treasury futures or interest rate swaps.

The inception date of the Fund was 7/22/15. The first day of secondary market trading was 7/23/15.

The ICE Q70A Custom Index is an unmanaged index that consists of the ICE BofAML 10+ Year US Corporate Index plus interest rate swaps that intend to hedge the interest rate exposure of the ICE BofAML 10+ Year US Corporate Index.

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 ask 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. Since shares of a fund may not trade in the secondary market until after the fund’s inception, for the period from inception to the first day of secondary market trading in shares of the fund, the NAV of the fund is used as a proxy for the Market Price to calculate market returns. Market and NAV returns assume that dividends and capital gain distributions have been reinvested at Market Price and NAV, respectively.


Security	Shares		Value

Investment Companies

Exchange-Traded Funds — 90.7%
iShares Long-Term Corporate Bond ETF^(a)(b)		598,303	$	40,092,284


Total Investment Companies — 90.7% (Cost: $35,344,168)				40,092,284


Short-Term Investments

Money Market Funds — 0.7%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.89%^(a)(c)(d)		28,672		28,704
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(a)(c)		270,000		270,000

				298,704


Total Short-Term Investments — 0.7% (Cost: $298,664)				298,704


Total Investments in Securities — 91.4% (Cost: $35,642,832)				40,390,988

Other Assets, Less Liabilities — 8.6%				3,811,067


Net Assets — 100.0%			$	44,202,055

Investments in issuers considered to be affiliates of the Fund during the six months ended April 30, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

Balances Reported in the Statement of Assets and Liabilities for Centrally Cleared Swaps

As of April 30, 2020, the fair values of derivative financial instruments located in the Statement of Assets and Liabilities were as follows:

For the six months ended April 30, 2020, the effect of derivative financial instruments in the Statement of Operations was as follows:

For more information about the Fund’s investment risks regarding derivative financial instruments, refer to the Notes to Financial Statements.

Currently the Fund seeks to achieve its investment objective by investing a substantial portion of its assets in an iShares fund (an “underlying fund”). The financial statements and schedule of investments for the underlying fund are included elsewhere in this report and should be read in conjunction with the Fund’s financial statements.

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 increases and decreases in net assets from operations 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.

In-kind Redemptions: For financial reporting purposes, in-kind redemptions are treated as sales of securities resulting in realized capital gains or losses to the Fund. Because such gains or losses are not taxable to the Fund and are not distributed to existing Fund shareholders, the gains or losses are reclassified from accumulated net realized gain (loss) to paid-in capital at the end of the Fund’s tax year. These reclassifications have no effect on net assets or net asset value (“NAV”) per share.

Distributions: 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.

Indemnifications: In the normal course of business, the Fund enters into contracts that contain a variety of representations that provide general indemnification. The Fund’s maximum exposure under these arrangements is unknown because it involves future potential claims against the Fund, which cannot be predicted with any certainty.

Investment Valuation Policies: The Fund’s investments are valued at fair value (also referred to as “market value” within the financial statements) 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. A fund determines the fair value of its financial instruments using various independent dealers or pricing services under policies approved by the Board of Trustees of the Trust (the “Board”). If a security’s market price is not readily available or does not otherwise accurately represent the fair value of the security, the security will be valued in accordance with a policy approved by the Board as reflecting fair value. The BlackRock Global Valuation Methodologies Committee (the “Global Valuation Committee”) is the committee formed by management to develop global pricing policies and procedures and to oversee the pricing function for all financial instruments.

Fair Value Inputs and Methodologies: The following methods and inputs are used to establish the fair value of the Fund’s assets and liabilities:

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.

Fair Value Hierarchy: Various inputs are used in determining the fair value of financial instruments. 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 the Fund’s investments is included in its schedule of investments. The categorization of a value determined for financial instruments is based on the pricing transparency of the financial instruments and is not necessarily an indication of the risks associated with investing in those securities.

Securities Lending: The Fund may lend its 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 market 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 and any additional required collateral is delivered to the Fund or 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.

As of April 30, 2020, 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 BlackRock Fund Advisors (“BFA”), the Fund’s investment adviser, or its affiliates 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, if any, are also disclosed in its schedule of investments. The market value of any securities on loan as of April 30, 2020 and the value of the related cash collateral are disclosed in the statement of assets and liabilities.

The following table is a summary of the securities lending agreements by counterparty which are subject to offset under an MSLA as of April 30, 2020:

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 the securities loaned to the extent 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 market 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. Such losses are borne entirely by the Fund.

Swap agreements are privately negotiated in the over-the-counter market and may be entered into as a bilateral contract or centrally cleared (“centrally cleared swaps”). The Fund enters into centrally cleared swaps.

In a centrally cleared swap, immediately following execution of the swap agreement, the swap agreement is novated to a central counterparty (“CCP”) and the CCP becomes the Fund’s counterparty on the swap. The Fund is required to interface with the CCP through a broker. Upon entering into a centrally cleared swap, the Fund is required to deposit initial margin with the broker in the form of cash or securities in an amount that varies depending on the size and risk profile of the particular swap. Securities deposited as initial margin are designated on the schedule of investments and cash deposited is shown as cash pledged for centrally cleared swaps on the statement of assets and liabilities. The daily change in valuation of centrally cleared swaps is recorded as variation margin receivable or payable on centrally cleared swaps in the statement of assets and liabilities. Payments received from (paid to) the counterparty, including at termination, are recorded as realized gains (losses) in the statement of operations. Payments and receipts are amortized over the term of the contract as a realized gain (loss) in the statement of the operations.

Investment Advisory Fees: 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 0.35%, accrued daily and paid monthly by the Fund, based on the average daily net assets of the Fund.

Expense Waivers: A fund 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 a fund’s total annual operating expenses. BFA has contractually agreed to waive a portion of its investment advisory fee for the Fund through February 28, 2022 so that the Fund’s total annual operating expenses after fee waiver is equal to the acquired fund fees and expenses attributable to the Fund’s investment in the iShares Long-Term Corporate Bond ETF (“IGLB”), after taking into account any fee waivers by IGLB, plus 0.10%.

Distributor: 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.

Securities Lending: The U.S. Securities and Exchange Commission (the “SEC”) 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, or its affiliates, 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 the current securities lending agreement, the Fund retains 82% of securities lending income (which excludes collateral investment fees) 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 that calendar year exceeds a specified threshold, the Fund, pursuant to the securities lending agreement, will retain for the remainder of that calendar year 85% of securities lending income (which excludes collateral investment fees), and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees.

The share of securities lending income earned by the Fund is shown as securities lending income — affiliated — net in its statement of operations. For the six months ended April 30, 2020, the Fund paid BTC $769 for securities lending agent services.

Officers and Trustees: Certain officers and/or trustees of the Trust are officers and/or trustees of BlackRock or its affiliates.

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 shown as dividends — affiliated in the statement of operations.

For the six months ended April 30, 2020, purchases and sales of investments, excluding in-kind transactions and short-term investments, were as follows:

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.

Management has analyzed tax laws and regulations and their application to the Fund as of April 30, 2020, inclusive of the open tax return years, and does not believe that there are any uncertain tax positions that require recognition of a tax liability in the Fund’s financial statements.

As of October 31, 2019, the Fund had non-expiring capital loss carryforwards available to offset future realized capital gains of $2,504,399.

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.

Market Risk: 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. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, recessions, or other events could have a significant impact on the Fund and its investments. 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.

Concentration Risk: 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.

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.

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 shares sold in the table above.

On June 16, 2016, investors 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 Preferred and Income Securities ETF) filed a 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. In an opinion dated January 23, 2020, the California Court of Appeal affirmed the dismissal of Plaintiffs’ claims. On March 3, 2020, plaintiffs filed a petition for review by the California Supreme Court. On May 27, 2020, the California Supreme Court denied Plaintiff’s petition for review. Plaintiff may choose to petition the U.S. Supreme Court for further review.

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 additional disclosure in the financial statements.

The Board of Trustees (the “Board”) of iShares Interest Rate Hedged Long-Term Corporate Bond ETF met on December 3, 2019 (the “Meeting”) to review the liquidity risk management program (the “Program”) applicable to the iShares Funds (each, a “Fund”) pursuant to the Liquidity Rule. The Board has appointed BlackRock Fund Advisors (“BlackRock”), the investment adviser to the Funds, as the program administrator for each Fund’s Program, as applicable. BlackRock has delegated oversight of the Program to the 40 Act Liquidity Risk Management Committee (the “Committee”). At the Meeting, the Committee, on behalf of BlackRock, provided the Board with a report that addressed the operation of the Program and assessed its adequacy and effectiveness of implementation, including the operation of each Fund’s Highly Liquid Investment Minimum (“HLIM”) where applicable, and any material changes to the Program (the “Report”). The Report covered the period from December 1, 2018 through September 30, 2019 (the “Program Reporting Period”).

The Report noted that the Program complied with the key factors for consideration under the Liquidity Rule for assessing, managing and periodically reviewing a Fund’s liquidity risk, as follows:

The amounts and sources of distributions reported are estimates and are being 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 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.

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

The iShares Funds file their complete schedule of portfolio holdings with the SEC for the first and third quarters of each fiscal year as an exhibit to its reports on Form N-PORT, and for reporting periods ended prior to March 31, 2019, filed such information on Form N-Q. The iShares Fund’s Forms N-Q are available on the SEC’s website at sec.gov. The iShares Funds also disclose their complete schedule of portfolio holdings on a daily basis on the iShares website at iShares.com.


Security	Par (000)		Value

Corporate Bonds & Notes

Advertising —0.0%
Interpublic Group of Companies Inc. (The), 5.40%, 10/01/48 (Call 04/01/48)	$	170	$	178,045


Aerospace & Defense — 2.0%
BAE Systems Holdings Inc., 4.75%, 10/07/44^(a)(b)		465		548,028
BAE Systems PLC, 5.80%, 10/11/41^(a)		25		33,667
Boeing Co. (The)
3.25%, 02/01/35 (Call 11/01/34)		437		361,958
3.30%, 03/01/35 (Call 09/01/34)		25		22,504
3.38%, 06/15/46 (Call 12/15/45)		205		154,882
3.50%, 03/01/39 (Call 09/01/38)		495		398,130
3.50%, 03/01/45 (Call 09/01/44)		759		610,368
3.55%, 03/01/38 (Call 09/01/37)		280		236,211
3.60%, 05/01/34 (Call 02/01/34)		375		326,937
3.65%, 03/01/47 (Call 09/01/46)		225		173,637
3.75%, 02/01/50 (Call 08/01/49)		835		667,438
3.83%, 03/01/59 (Call 09/01/58)		550		422,420
3.85%, 11/01/48 (Call 05/01/48)		210		166,204
3.90%, 05/01/49 (Call 11/01/48)		450		377,050
3.95%, 08/01/59 (Call 02/01/59)		790		618,637
5.88%, 02/15/40		225		227,143
6.13%, 02/15/33		50		53,000
6.63%, 02/15/38		156		162,675
6.88%, 03/15/39		427		471,386
General Dynamics Corp.
3.60%, 11/15/42 (Call 05/15/42)		380		436,094
4.25%, 04/01/50 (Call 10/01/49)		1,000		1,292,069
L3Harris Technologies Inc.
4.85%, 04/27/35 (Call 10/27/34)		570		705,185
5.05%, 04/27/45 (Call 10/27/44)		400		501,237
6.15%, 12/15/40		130		179,259
Lockheed Martin Corp.
3.60%, 03/01/35 (Call 09/01/34)^(b)		314		374,350
3.80%, 03/01/45 (Call 09/01/44)		1,051		1,266,440
4.07%, 12/15/42		805		997,437
4.09%, 09/15/52 (Call 03/15/52)		1,350		1,739,282
4.50%, 05/15/36 (Call 11/15/35)		735		917,824
4.70%, 05/15/46 (Call 11/15/45)		1,383		1,884,280
5.72%, 06/01/40		50		71,237
Series B, 6.15%, 09/01/36		175		250,418
Northrop Grumman Corp.
3.85%, 04/15/45 (Call 10/15/44)		625		729,565
4.03%, 10/15/47 (Call 04/15/47)		1,609		1,939,947
4.75%, 06/01/43		915		1,184,957
5.05%, 11/15/40		300		401,028
5.25%, 05/01/50 (Call 11/01/49)		100		141,927
Northrop Grumman Systems Corp., 7.75%, 02/15/31		777		1,149,085
Raytheon Co.
4.20%, 12/15/44 (Call 06/15/44)		100		125,159
4.70%, 12/15/41		200		264,313
4.88%, 10/15/40		392		515,116
Raytheon Technologies Corp.
3.75%, 11/01/46 (Call 05/01/46)		960		1,131,762
4.05%, 05/04/47 (Call 11/04/46)		335		410,126
4.15%, 05/15/45 (Call 11/16/44)		1,350		1,650,925
4.45%, 11/16/38 (Call 05/16/38)		849		1,056,911
4.50%, 06/01/42^(b)		1,805		2,295,230
4.63%, 11/16/48 (Call 05/16/48)		1,271		1,703,585
5.40%, 05/01/35		1,121		1,505,911


Security	Par (000)		Value

Aerospace & Defense (continued)
5.70%, 04/15/40	$	956	$	1,364,668
6.05%, 06/01/36		230		321,461
6.13%, 07/15/38		990		1,469,584
Rockwell Collins Inc.
4.35%, 04/15/47 (Call 10/15/46)		1,195		1,444,352
4.80%, 12/15/43 (Call 06/15/43)		380		471,456

				37,924,455

Agriculture — 1.4%
Altria Group Inc.
3.88%, 09/16/46 (Call 03/16/46)		1,486		1,451,222
4.25%, 08/09/42		1,175		1,162,521
4.50%, 05/02/43		1,675		1,700,262
5.38%, 01/31/44		917		1,047,867
5.80%, 02/14/39 (Call 08/14/38)		585		698,407
5.95%, 02/14/49 (Call 08/14/48)		1,390		1,743,564
6.20%, 02/14/59 (Call 08/14/58)		220		277,485
Archer-Daniels-Midland Co.
3.75%, 09/15/47 (Call 03/15/47)		415		475,983
4.02%, 04/16/43		839		991,013
4.50%, 03/15/49 (Call 09/15/48)		905		1,220,289
4.54%, 03/26/42		413		504,928
5.38%, 09/15/35		55		79,229
BAT Capital Corp.
4.39%, 08/15/37 (Call 02/15/37)		1,625		1,665,519
4.54%, 08/15/47 (Call 02/15/47)		1,980		2,073,276
4.76%, 09/06/49 (Call 03/06/49)		305		331,211
Cargill Inc., 3.88%, 05/23/49 (Call 11/23/48)^(a)		780		874,644
Philip Morris International Inc.
3.88%, 08/21/42		509		550,438
4.13%, 03/04/43		496		558,582
4.25%, 11/10/44		730		847,013
4.38%, 11/15/41^(b)		842		966,284
4.50%, 03/20/42		420		489,990
4.88%, 11/15/43		530		642,409
6.38%, 05/16/38		1,295		1,855,991
Reynolds American Inc.
5.70%, 08/15/35 (Call 02/15/35)		1,248		1,448,642
5.85%, 08/15/45 (Call 02/15/45)		1,840		2,126,667
6.15%, 09/15/43^(b)		475		576,866
7.25%, 06/15/37		825		1,063,616

				27,423,918

Apparel — 0.2%
NIKE Inc.
3.38%, 11/01/46 (Call 05/01/46)^(b)		300		331,331
3.38%, 03/27/50 (Call 09/27/49)		1,600		1,793,905
3.63%, 05/01/43 (Call 11/01/42)		560		619,514
3.88%, 11/01/45 (Call 05/01/45)		755		894,008

				3,638,758

Auto Manufacturers — 0.4%
Cummins Inc., 4.88%, 10/01/43 (Call 04/01/43)		375		496,678
Daimler Finance North America LLC, 8.50%, 01/18/31		1,451		1,933,085
Ford Motor Co., 7.40%, 11/01/46		544		444,720
General Motors Co.
5.00%, 04/01/35		408		345,626
5.15%, 04/01/38 (Call 10/01/37)		463		381,391
5.20%, 04/01/45		1,015		813,670
5.40%, 04/01/48 (Call 10/01/47)		610		486,417
5.95%, 04/01/49 (Call 10/01/48)		889		756,257
6.25%, 10/02/43		852		745,782


Security	Par (000)		Value

Auto Manufacturers (continued)
6.60%, 04/01/36 (Call 10/01/35)	$	1,175	$	1,078,369
6.75%, 04/01/46 (Call 10/01/45)		580		538,448

				8,020,443

Auto Parts & Equipment — 0.1%
Aptiv PLC
4.40%, 10/01/46 (Call 04/01/46)		100		78,115
5.40%, 03/15/49 (Call 09/15/48)		206		203,701
BorgWarner Inc., 4.38%, 03/15/45 (Call 09/15/44)^(b)		345		328,204
Lear Corp., 5.25%, 05/15/49 (Call 11/15/48)		600		540,347

				1,150,367

Banks — 8.2%
Bank of America Corp.
3.95%, 01/23/49 (Call 01/23/48)^(c)		1,280		1,460,544
4.08%, 04/23/40 (Call 04/23/39)^(c)		1,325		1,531,869
4.08%, 03/20/51 (Call 03/20/50)^(c)		3,500		4,202,821
4.24%, 04/24/38 (Call 04/24/37)^(c)		1,401		1,636,034
4.33%, 03/15/50 (Call 03/15/49)^(c)		1,784		2,223,432
4.44%, 01/20/48 (Call 01/20/47)^(c)		1,234		1,500,079
4.88%, 04/01/44^(b)		895		1,143,212
5.00%, 01/21/44^(b)		1,562		2,042,211
5.88%, 02/07/42		853		1,234,901
6.11%, 01/29/37		1,530		2,070,193
7.75%, 05/14/38		1,115		1,755,282
Series L, 4.75%, 04/21/45		593		721,996
Bank of America N.A., 6.00%, 10/15/36		1,025		1,443,999
Barclays PLC
4.95%, 01/10/47^(b)		1,240		1,490,216
5.25%, 08/17/45^(b)		790		973,067
BNP Paribas SA, 7.20%, (Call 06/25/37)^(a)(c)(d)		545		578,665
Citigroup Inc.
3.88%, 01/24/39 (Call 01/24/38)^(c)		533		573,374
4.28%, 04/24/48 (Call 04/24/47)^(c)		1,263		1,466,871
4.65%, 07/30/45		675		815,922
4.65%, 07/23/48 (Call 06/23/48)		2,024		2,487,090
4.75%, 05/18/46		1,905		2,315,803
5.30%, 05/06/44		340		429,128
5.88%, 02/22/33		475		583,760
5.88%, 01/30/42		797		1,107,569
6.00%, 10/31/33		313		391,227
6.13%, 08/25/36		482		601,234
6.63%, 06/15/32		767		999,859
6.68%, 09/13/43		605		886,281
6.88%, 03/05/38		110		151,866
6.88%, 02/15/98		217		326,845
8.13%, 07/15/39		1,635		2,697,688
Commonwealth Bank of Australia
3.74%, 09/12/39^(a)(b)		495		503,102
3.90%, 07/12/47^(a)		829		945,538
4.32%, 01/10/48^(a)		1,105		1,173,455
Cooperatieve Rabobank UA
5.25%, 05/24/41^(b)		1,473		2,087,330
5.25%, 08/04/45		976		1,279,100
5.75%, 12/01/43		1,205		1,667,230
5.80%, 09/30/2110^(a)		100		170,898
Credit Suisse Group Funding Guernsey Ltd., 4.88%, 05/15/45		1,856		2,349,462
Fifth Third Bancorp., 8.25%, 03/01/38		1,016		1,511,538


Security	Par (000)		Value

Banks (continued)
First Republic Bank/CA
4.38%, 08/01/46 (Call 02/01/46)	$	350	$	394,795
4.63%, 02/13/47 (Call 08/13/46)		495		597,484
Goldman Sachs Group Inc. (The)
4.02%, 10/31/38 (Call 10/31/37)^(c)		1,685		1,849,639
4.41%, 04/23/39 (Call 04/23/38)^(c)		1,870		2,116,259
4.75%, 10/21/45 (Call 04/21/45)		1,584		1,922,049
4.80%, 07/08/44 (Call 01/08/44)		1,745		2,124,529
5.15%, 05/22/45		1,330		1,616,025
6.13%, 02/15/33		775		1,018,200
6.25%, 02/01/41		1,725		2,399,178
6.45%, 05/01/36		230		301,956
6.75%, 10/01/37		3,825		5,223,952
HSBC Bank USA N.A., 7.00%, 01/15/39^(b)		265		392,848
HSBC Holdings PLC
5.25%, 03/14/44		720		917,740
6.10%, 01/14/42		978		1,384,543
6.50%, 05/02/36		2,710		3,662,474
6.50%, 09/15/37		1,820		2,507,429
6.80%, 06/01/38		1,630		2,314,479
7.63%, 05/17/32		446		605,696
HSBC USA Inc., 7.20%, 07/15/97^(b)		60		94,174
JPMorgan Chase & Co.
3.11%, 04/22/41 (Call 04/22/40)^(c)		1,000		1,037,825
3.11%, 04/22/51 (Call 04/22/50)^(c)		1,200		1,242,630
3.88%, 07/24/38 (Call 07/24/37)^(c)		2,515		2,841,316
3.90%, 01/23/49 (Call 01/23/48)^(c)		1,605		1,872,485
3.96%, 11/15/48 (Call 11/15/47)^(c)		2,192		2,592,787
4.03%, 07/24/48 (Call 07/24/47)^(b)(c)		990		1,175,057
4.26%, 02/22/48 (Call 02/22/47)^(c)		1,255		1,536,284
4.85%, 02/01/44		645		842,817
4.95%, 06/01/45		1,140		1,445,609
5.40%, 01/06/42		1,180		1,605,456
5.50%, 10/15/40		1,165		1,601,543
5.60%, 07/15/41		2,425		3,374,364
5.63%, 08/16/43		968		1,337,276
6.40%, 05/15/38		1,340		1,976,855
8.75%, 09/01/30		50		70,596
Lloyds Banking Group PLC
4.34%, 01/09/48^(b)		1,435		1,570,562
5.30%, 12/01/45		685		852,012
Mitsubishi UFJ Financial Group Inc.
3.75%, 07/18/39		625		689,256
4.15%, 03/07/39		895		1,032,943
4.29%, 07/26/38		1,225		1,431,034
Morgan Stanley
3.97%, 07/22/38 (Call 07/22/37)^(c)		956		1,075,384
4.30%, 01/27/45		1,479		1,783,386
4.38%, 01/22/47		2,520		3,139,671
4.46%, 04/22/39 (Call 04/22/38)^(c)		635		766,119
5.60%, 03/24/51 (Call 03/24/50)^(c)		1,000		1,436,916
6.38%, 07/24/42		1,639		2,529,450
7.25%, 04/01/32		1,183		1,716,445
Regions Bank/Birmingham AL, 6.45%, 06/26/37		460		600,621
Regions Financial Corp., 7.38%, 12/10/37		490		679,827
Santander UK Group Holdings PLC, 5.63%, 09/15/45^(a)		495		582,338
Societe Generale SA, 5.63%, 11/24/45^(a)(b)		115		137,346
Standard Chartered PLC
5.30%, 01/09/43^(a)		485		565,225
5.70%, 03/26/44^(a)		2,025		2,473,347


Security	Par (000)		Value

Banks (continued)
UBS AG/London, 4.50%, 06/26/48^(a)(b)	$	870	$	1,175,398
Wachovia Corp.
5.50%, 08/01/35		617		771,570
6.55%, 10/15/35		260		346,206
7.50%, 04/15/35		125		172,166
Wells Fargo & Co.
3.90%, 05/01/45		1,187		1,363,398
4.40%, 06/14/46^(b)		1,286		1,449,248
4.65%, 11/04/44^(b)		1,501		1,760,214
4.75%, 12/07/46		1,485		1,760,505
4.90%, 11/17/45		1,315		1,577,533
5.01%, 04/04/51 (Call 04/04/50)^(c)		3,200		4,201,080
5.38%, 02/07/35		385		500,153
5.38%, 11/02/43		1,365		1,733,915
5.61%, 01/15/44		2,010		2,634,776
5.95%, 12/01/86		668		745,611
Wells Fargo Bank N.A.
5.85%, 02/01/37		650		886,512
5.95%, 08/26/36		570		766,509
6.60%, 01/15/38		1,220		1,743,146
Westpac Banking Corp., 4.42%, 07/24/39		1,112		1,225,806

				157,402,668

Beverages — 3.3%
Anheuser-Busch Companies LLC/Anheuser-Busch InBev Worldwide Inc.
4.70%, 02/01/36 (Call 08/01/35)		4,267		4,776,197
4.90%, 02/01/46 (Call 08/01/45)		7,355		8,486,130
Anheuser-Busch InBev Finance Inc.
4.00%, 01/17/43^(b)		958		980,474
4.63%, 02/01/44		1,277		1,409,627
4.70%, 02/01/36 (Call 08/01/35)		600		663,742
4.90%, 02/01/46 (Call 08/01/45)		1,399		1,603,686
Anheuser-Busch InBev Worldwide Inc.
3.75%, 07/15/42		835		853,441
4.35%, 06/01/40 (Call 12/01/39)		300		328,252
4.38%, 04/15/38 (Call 10/15/37)		620		667,643
4.44%, 10/06/48 (Call 04/06/48)		1,375		1,495,297
4.50%, 06/01/50 (Call 12/01/49)		1,000		1,119,177
4.60%, 04/15/48 (Call 10/15/47)^(b)		1,783		1,976,380
4.60%, 06/01/60 (Call 12/01/59)		400		440,091
4.75%, 04/15/58 (Call 10/15/57)		1,075		1,209,546
4.90%, 01/23/31 (Call 10/23/30)^(b)		1,198		1,406,041
4.95%, 01/15/42		835		957,040
5.45%, 01/23/39 (Call 07/23/38)		1,395		1,680,732
5.55%, 01/23/49 (Call 07/23/48)		3,485		4,357,172
5.80%, 01/23/59 (Call 07/23/58)		1,035		1,364,709
8.00%, 11/15/39		325		502,662
8.20%, 01/15/39		807		1,214,749
Bacardi Ltd.
5.15%, 05/15/38 (Call 11/15/37)^(a)		300		332,348
5.30%, 05/15/48 (Call 11/15/47)^(a)		515		577,759
Brown-Forman Corp.
4.00%, 04/15/38 (Call 10/15/37)		140		146,768
4.50%, 07/15/45 (Call 01/15/45)		213		249,108
Coca-Cola Co. (The), 4.20%, 03/25/50		1,400		1,812,331
Coca-Cola FEMSA SAB de CV, 5.25%, 11/26/43		306		371,290
Constellation Brands Inc.
4.10%, 02/15/48 (Call 08/15/47)^(b)		250		264,777
4.50%, 05/09/47 (Call 11/09/46)		550		610,705
5.25%, 11/15/48 (Call 05/15/48)		503		620,139


Security	Par (000)		Value

Beverages (continued)
Diageo Capital PLC
3.88%, 04/29/43 (Call 10/29/42)^(b)	$	735	$	859,251
5.88%, 09/30/36^(b)		535		744,352
Diageo Investment Corp.
4.25%, 05/11/42		495		600,652
7.45%, 04/15/35		11		17,681
Fomento Economico Mexicano SAB de CV
3.50%, 01/16/50 (Call 07/16/49)		1,000		958,905
4.38%, 05/10/43		330		367,165
Heineken NV
4.00%, 10/01/42^(a)		540		602,203
4.35%, 03/29/47 (Call 09/29/46)^(a)		120		140,486
Keurig Dr Pepper Inc.
4.42%, 12/15/46 (Call 06/15/46)		525		603,732
4.50%, 11/15/45 (Call 05/15/45)		385		441,322
4.99%, 05/25/38 (Call 11/25/37)^(b)		770		932,044
5.09%, 05/25/48 (Call 11/25/47)		475		600,290
Molson Coors Beverage Co.
4.20%, 07/15/46 (Call 01/15/46)		1,577		1,491,927
5.00%, 05/01/42		800		870,177
PepsiCo Inc.
2.88%, 10/15/49 (Call 04/15/49)		1,050		1,125,555
3.38%, 07/29/49 (Call 01/29/49)		1,125		1,283,491
3.45%, 10/06/46 (Call 04/06/46)		1,525		1,748,616
3.60%, 08/13/42		455		529,518
3.63%, 03/19/50 (Call 09/19/49)		1,800		2,172,278
4.00%, 03/05/42		492		608,746
4.00%, 05/02/47 (Call 11/02/46)^(b)		695		869,358
4.25%, 10/22/44 (Call 04/22/44)		671		819,506
4.45%, 04/14/46 (Call 10/14/45)		829		1,093,911
4.60%, 07/17/45 (Call 01/17/45)		460		613,686
Pernod Ricard SA, 5.50%, 01/15/42^(a)(b)		250		309,375

				62,882,240

Biotechnology — 1.4%
Amgen Inc.
3.15%, 02/21/40 (Call 08/21/39)		1,200		1,249,179
3.38%, 02/21/50 (Call 08/21/49)		790		847,432
4.40%, 05/01/45 (Call 11/01/44)		2,080		2,549,118
4.56%, 06/15/48 (Call 12/15/47)^(b)		1,520		1,935,060
4.66%, 06/15/51 (Call 12/15/50)		3,170		4,147,718
4.95%, 10/01/41		341		440,923
5.15%, 11/15/41 (Call 05/15/41)		670		899,677
5.65%, 06/15/42 (Call 12/15/41)		140		190,606
5.75%, 03/15/40^(b)		220		312,467
6.38%, 06/01/37^(b)		315		472,415
6.40%, 02/01/39		125		192,304
6.90%, 06/01/38^(b)		75		119,596
Baxalta Inc., 5.25%, 06/23/45 (Call 12/23/44)^(b)		354		496,972
Biogen Inc.
3.15%, 05/01/50 (Call 11/01/49)		1,130		1,108,003
5.20%, 09/15/45 (Call 03/15/45)		820		1,070,929
Gilead Sciences Inc.
4.00%, 09/01/36 (Call 03/01/36)		415		496,677
4.15%, 03/01/47 (Call 09/01/46)^(b)		1,645		2,073,491
4.50%, 02/01/45 (Call 08/01/44)		1,146		1,478,319
4.60%, 09/01/35 (Call 03/01/35)		1,085		1,399,955
4.75%, 03/01/46 (Call 09/01/45)		1,603		2,165,726
4.80%, 04/01/44 (Call 10/01/43)		995		1,312,339


Security	Par (000)		Value

Biotechnology (continued)
5.65%, 12/01/41 (Call 06/01/41)^(b)	$	980	$	1,406,000

				26,364,906

Building Materials — 0.4%
Carrier Global Corp.
3.38%, 04/05/40 (Call 10/05/39)^(a)		1,050		941,349
3.58%, 04/05/50 (Call 10/05/49)^(a)		550		496,072
CRH America Finance Inc.
4.40%, 05/09/47 (Call 11/09/46)^(a)		100		103,698
4.50%, 04/04/48 (Call 10/04/47)^(a)		751		804,580
Johnson Controls International PLC
4.50%, 02/15/47 (Call 08/15/46)		488		553,797
4.63%, 07/02/44 (Call 01/02/44)		577		643,744
4.95%, 07/02/64 (Call 01/02/64)^(e)		515		572,837
5.13%, 09/14/45 (Call 03/14/45)		43		51,137
6.00%, 01/15/36		135		166,894
Martin Marietta Materials Inc., 4.25%, 12/15/47 (Call 06/15/47)		745		760,256
Masco Corp., 4.50%, 05/15/47 (Call 11/15/46)		345		333,286
Owens Corning
4.30%, 07/15/47 (Call 01/15/47)^(b)		167		160,607
4.40%, 01/30/48 (Call 07/30/47)		279		270,624
7.00%, 12/01/36		249		304,723
Votorantim Cimentos SA, 7.25%, 04/05/41^(a)		500		547,500
Vulcan Materials Co.
4.50%, 06/15/47 (Call 12/15/46)		315		341,295
4.70%, 03/01/48 (Call 09/01/47)^(b)		605		679,502

				7,731,901

Chemicals — 1.5%
Air Products and Chemicals Inc.
2.70%, 05/15/40 (Call 11/15/39)		215		217,945
2.80%, 05/15/50 (Call 11/15/49)		120		122,289
Albemarle Corp., 5.45%, 12/01/44 (Call 06/01/44)		558		567,483
Braskem America Finance Co., 7.13%, 07/22/41 (Call 01/22/41)^(a)		200		181,000
Braskem Netherlands Finance BV, 5.88%, 01/31/50^(a)		560		429,800
Dow Chemical Co. (The)
4.25%, 10/01/34 (Call 04/01/34)		1,859		1,956,020
4.38%, 11/15/42 (Call 05/15/42)		423		452,280
4.63%, 10/01/44 (Call 04/01/44)		390		431,625
4.80%, 05/15/49 (Call 11/15/48)^(b)		885		1,012,443
5.25%, 11/15/41 (Call 05/15/41)		209		246,700
5.55%, 11/30/48 (Call 05/30/48)^(b)		515		653,857
9.40%, 05/15/39		346		553,778
DuPont de Nemours Inc.
5.32%, 11/15/38 (Call 05/15/38)		695		844,327
5.42%, 11/15/48 (Call 05/15/48)		2,345		3,030,817
Eastman Chemical Co.
4.65%, 10/15/44 (Call 04/15/44)		964		1,098,967
4.80%, 09/01/42 (Call 03/01/42)		428		492,005
Ecolab Inc.
3.70%, 11/01/46 (Call 05/01/46)		175		200,539
3.95%, 12/01/47 (Call 06/01/47)		720		876,795
5.50%, 12/08/41		278		358,106
FMC Corp., 4.50%, 10/01/49 (Call 04/01/49)		490		543,267
International Flavors & Fragrances Inc.
4.38%, 06/01/47 (Call 12/01/46)		275		279,969
5.00%, 09/26/48 (Call 03/26/48)		345		382,890
Lubrizol Corp. (The), 6.50%, 10/01/34		350		535,286


Security	Par (000)		Value

Chemicals (continued)
LYB International Finance BV
4.88%, 03/15/44 (Call 09/15/43)	$	990	$	1,091,562
5.25%, 07/15/43		885		1,003,781
LYB International Finance III LLC, 4.20%, 10/15/49 (Call 04/15/49)		365		372,617
LyondellBasell Industries NV, 4.63%, 02/26/55 (Call 08/26/54)		973		1,024,856
Mosaic Co. (The)
4.88%, 11/15/41 (Call 05/15/41)		230		204,723
5.45%, 11/15/33 (Call 05/15/33)		393		392,913
5.63%, 11/15/43 (Call 05/15/43)		145		145,947
Nutrien Ltd.
4.13%, 03/15/35 (Call 09/15/34)		512		549,560
4.90%, 06/01/43 (Call 12/01/42)		220		245,038
5.00%, 04/01/49 (Call 10/01/48)		773		996,676
5.25%, 01/15/45 (Call 07/15/44)		229		270,525
5.63%, 12/01/40		390		450,983
5.88%, 12/01/36		241		291,425
6.13%, 01/15/41 (Call 07/15/40)		650		821,225
7.13%, 05/23/36		18		23,382
OCP SA, 6.88%, 04/25/44^(a)		200		236,500
Orbia Advance Corp. SAB de CV, 5.88%, 09/17/44^(a)		900		862,884
Praxair Inc., 3.55%, 11/07/42 (Call 05/07/42)		1,020		1,149,794
RPM International Inc., 4.25%, 01/15/48 (Call 07/15/47)		560		533,839
Sherwin-Williams Co. (The)
3.80%, 08/15/49 (Call 02/15/49)^(b)		435		472,208
4.00%, 12/15/42 (Call 06/15/42)		285		304,803
4.50%, 06/01/47 (Call 12/01/46)		535		646,769
4.55%, 08/01/45 (Call 02/01/45)		95		109,404
Syngenta Finance NV, 5.68%, 04/24/48 (Call 10/24/47)^(a)		375		367,909
Westlake Chemical Corp.
4.38%, 11/15/47 (Call 05/15/47)		700		613,767
5.00%, 08/15/46 (Call 02/15/46)		305		295,287

				28,946,565

Commercial Services — 1.2%
American University (The), Series 2019, 3.67%, 04/01/49		500		545,978
California Institute of Technology
4.32%, 08/01/45		12		15,360
4.70%, 11/01/2111		145		186,460
Cleveland Clinic Foundation (The), 4.86%, 01/01/2114		200		262,854
DP World PLC
4.70%, 09/30/49 (Call 03/30/49)^(a)		500		430,000
5.63%, 09/25/48^(a)		1,300		1,241,500
6.85%, 07/02/37^(a)		850		919,063
Duke University, 3.30%, 10/01/46		25		28,246
Equifax Inc., 7.00%, 07/01/37		110		132,223
ERAC USA Finance LLC
4.20%, 11/01/46 (Call 05/01/46)^(a)		50		48,874
5.63%, 03/15/42^(a)		65		71,725
7.00%, 10/15/37^(a)		1,824		2,343,756
George Washington University (The)
4.87%, 09/15/45		16		20,887
Series 2018, 4.13%, 09/15/48 (Call 03/15/48)^(b)		998		1,186,694
Georgetown University (The)
Series 20A, 2.94%, 04/01/50		173		166,335
Series A, 5.22%, 10/01/2118 (Call 04/01/2118)		75		111,827
Global Payments Inc., 4.15%, 08/15/49 (Call 02/15/49)^(b)		880		947,667
Johns Hopkins University, Series 2013, 4.08%, 07/01/53		36		46,176
Leland Stanford Junior University (The), 3.65%, 05/01/48 (Call 11/01/47)		503		629,219


Security	Par (000)		Value

Commercial Services (continued)
Massachusetts Institute of Technology 3.89%, 07/01/2116	$	100	$	119,219
3.96%, 07/01/38		59		75,092
4.68%, 07/01/2114		325		457,858
5.60%, 07/01/2111		600		1,011,141
Series F, 2.99%, 07/01/50 (Call 01/01/50)^(b)		1,860		2,134,152
Moody’s Corp. 4.88%, 12/17/48 (Call 06/17/48)		211		277,533
5.25%, 07/15/44		525		710,114
Northwestern University 4.64%, 12/01/44		355		473,362
Series 2017, 3.66%, 12/01/57 (Call 06/01/57)		55		64,618
President and Fellows of Harvard College 3.15%, 07/15/46 (Call 01/15/46)		500		567,377
3.30%, 07/15/56 (Call 01/15/56)		385		437,355
3.62%, 10/01/37		46		54,541
4.88%, 10/15/40		200		275,384
Princeton University, 5.70%, 03/01/39		515		769,490
S&P Global Inc. 3.25%, 12/01/49 (Call 06/01/49)		575		623,461
4.50%, 05/15/48 (Call 11/15/47)		275		362,340
Trustees of Boston College, 3.13%, 07/01/52^(b)		530		557,208
Trustees of Boston University, Series CC, 4.06%, 10/01/48 (Call 04/01/48)		130		156,600
Trustees of Dartmouth College, 3.47%, 06/01/46^(b)		260		300,491
Trustees of the University of Pennsylvania (The), 3.61%, 02/15/2119 (Call 08/15/2118)		375		444,298
Tufts University, Series 2012, 5.02%, 04/15/2112		100		135,535
University of Notre Dame du Lac
Series 2015, 3.44%, 02/15/45		139		164,917
Series 2017, 3.39%, 02/15/48 (Call 08/15/47)		1,075		1,289,167
University of Southern California 2.81%, 10/01/50 (Call 04/01/50)		334		355,788
3.03%, 10/01/39		1,161		1,239,823
5.25%, 10/01/2111		250		381,471
Series 2017, 3.84%, 10/01/47 (Call 04/01/47)		150		181,619
Verisk Analytics Inc., 5.50%, 06/15/45 (Call 12/15/44)		186		242,177
Wesleyan University, 4.78%, 07/01/2116		125		141,084
William Marsh Rice University 3.57%, 05/15/45		331		389,486
3.77%, 05/15/55		125		151,357

				23,878,902

Computers — 1.7%
Apple Inc. 3.45%, 02/09/45^(b)		1,594		1,818,494
3.75%, 09/12/47 (Call 03/12/47)		855		1,033,494
3.75%, 11/13/47 (Call 05/13/47)		1,460		1,769,721
3.85%, 05/04/43		1,690		2,038,173
3.85%, 08/04/46 (Call 02/04/46)^(b)		2,045		2,499,026
4.25%, 02/09/47 (Call 08/09/46)		1,240		1,625,294
4.38%, 05/13/45^(b)		1,985		2,589,632
4.45%, 05/06/44		720		947,925
4.50%, 02/23/36 (Call 08/23/35)		1,280		1,633,420
4.65%, 02/23/46 (Call 08/23/45)		1,799		2,438,895
Dell International LLC/EMC Corp. 8.10%, 07/15/36 (Call 01/15/36)^(a)		1,666		2,033,995
8.35%, 07/15/46 (Call 01/15/46)^(a)		675		843,070
Hewlett Packard Enterprise Co. 6.20%, 10/15/35 (Call 04/15/35)		700		827,594
6.35%, 10/15/45 (Call 04/15/45)		985		1,178,985


Security	Par (000)		Value

Computers (continued)
HP Inc., 6.00%, 09/15/41	$	394	$	435,370
International Business Machines Corp. 2.95%, 05/15/50 (Call 11/15/49)		150		148,757
4.00%, 06/20/42^(b)		1,190		1,389,683
4.15%, 05/15/39		2,025		2,366,481
4.25%, 05/15/49		1,680		2,064,700
4.70%, 02/19/46^(b)		845		1,063,931
5.60%, 11/30/39		615		852,131
5.88%, 11/29/32		356		484,623
7.13%, 12/01/96^(b)		95		164,580
Seagate HDD Cayman, 5.75%, 12/01/34 (Call 06/01/34)		305		309,097

				32,557,071

Cosmetics & Personal Care — 0.5%
Colgate-Palmolive Co. 3.70%, 08/01/47 (Call 02/01/47)		270		351,204
4.00%, 08/15/45		330		436,720
Estee Lauder Companies Inc. (The) 3.13%, 12/01/49 (Call 06/01/49)		995		1,025,648
3.70%, 08/15/42		50		51,015
4.15%, 03/15/47 (Call 09/15/46)		200		238,269
4.38%, 06/15/45 (Call 12/15/44)		535		652,642
6.00%, 05/15/37		255		353,720
Procter & Gamble Co. (The) 3.50%, 10/25/47		525		655,198
3.55%, 03/25/40		1,000		1,202,858
3.60%, 03/25/50		1,400		1,781,154
5.50%, 02/01/34		285		408,524
5.55%, 03/05/37		49		71,117
5.80%, 08/15/34^(b)		85		126,168
Unilever Capital Corp., 5.90%, 11/15/32		1,151		1,632,467

				8,986,704

Distribution & Wholesale — 0.1%
WW Grainger Inc. 3.75%, 05/15/46 (Call 11/15/45)		480		519,644
4.20%, 05/15/47 (Call 11/15/46)		165		191,425
4.60%, 06/15/45 (Call 12/15/44)		755		930,256

				1,641,325

Diversified Financial Services — 1.7%
Ally Financial Inc. 8.00%, 11/01/31		2,077		2,537,310
American Express Co., 4.05%, 12/03/42^(b)		925		1,134,459
Blackstone Holdings Finance Co. LLC 3.50%, 09/10/49 (Call 03/10/49)^(a)		800		774,599
4.00%, 10/02/47 (Call 04/02/47)^(a)(b)		340		347,208
4.45%, 07/15/45^(a)		400		426,832
5.00%, 06/15/44^(a)(b)		61		69,624
Brookfield Finance Inc., 4.70%, 09/20/47 (Call 03/20/47)		979		990,436
Brookfield Finance LLC, 3.45%, 04/15/50 (Call 10/15/49)		575		474,046
Carlyle Holdings II Finance LLC, 5.63%, 03/30/43^(a)		245		277,551
CME Group Inc. 4.15%, 06/15/48 (Call 12/15/47)		770		1,027,189
5.30%, 09/15/43 (Call 03/15/43)		221		314,654
Credit Suisse USA Inc., 7.13%, 07/15/32		213		315,028
FMR LLC 5.15%, 02/01/43^(a)		500		608,735
6.50%, 12/14/40^(a)		500		700,440
GE Capital International Funding Co. Unlimited Co., 4.42%, 11/15/35		8,055		8,394,659
Invesco Finance PLC, 5.38%, 11/30/43		436		460,117


Security	Par (000)		Value

Diversified Financial Services (continued)
Jefferies Financial Group Inc., 6.63%, 10/23/43 (Call 07/23/43)	$	245	$	258,548
Jefferies Group LLC 6.25%, 01/15/36^(b)		430		452,791
6.50%, 01/20/43		95		99,944
KKR Group Finance Co. II LLC, 5.50%, 02/01/43 (Call 08/01/42)^(a)		550		620,614
Legg Mason Inc., 5.63%, 01/15/44		220		254,991
Mastercard Inc. 3.65%, 06/01/49 (Call 12/01/48)		868		1,042,682
3.80%, 11/21/46 (Call 05/21/46)		450		549,525
3.85%, 03/26/50 (Call 09/26/49)		650		810,638
3.95%, 02/26/48 (Call 08/26/47)		745		937,440
Nasdaq Inc., 3.25%, 04/28/50 (Call 10/28/49)		155		155,482
Neuberger Berman Group LLC/Neuberger Berman Finance Corp., 4.88%, 04/15/45 (Call 10/15/44)^(a)		50		49,298
Raymond James Financial Inc., 4.95%, 07/15/46		725		857,272
Visa Inc. 3.65%, 09/15/47 (Call 03/15/47)^(b)		1,344		1,639,195
4.15%, 12/14/35 (Call 06/14/35)		1,514		1,910,590
4.30%, 12/14/45 (Call 06/14/45)		2,170		2,873,244
Western Union Co. (The) 6.20%, 11/17/36^(b)		260		279,600
6.20%, 06/21/40		140		147,040

				31,791,781

Electric — 12.6%
Abu Dhabi National Energy Co. PJSC 4.00%, 10/03/49^(a)		400		400,080
6.50%, 10/27/36^(a)		800		970,000
Acwa Power Management And Investments One Ltd., 5.95%, 12/15/39^(a)		225		217,170
AEP Texas Inc. 3.80%, 10/01/47 (Call 04/01/47)		50		56,026
Series G, 4.15%, 05/01/49 (Call 11/01/48)		245		289,703
Series H, 3.45%, 01/15/50 (Call 07/15/49)^(b)		325		357,985
AEP Transmission Co. LLC 3.15%, 09/15/49 (Call 03/15/49)		50		55,087
3.75%, 12/01/47 (Call 06/01/47)		485		575,636
3.80%, 06/15/49 (Call 12/15/48)		315		379,376
4.00%, 12/01/46 (Call 06/01/46)^(b)		465		559,539
4.25%, 09/15/48 (Call 03/15/48)^(b)		320		405,780
Alabama Power Co. 3.45%, 10/01/49 (Call 04/01/49)		415		474,048
3.75%, 03/01/45 (Call 09/01/44)		575		663,446
3.85%, 12/01/42		220		251,603
4.10%, 01/15/42		85		94,175
4.15%, 08/15/44 (Call 02/15/44)		367		443,211
4.30%, 01/02/46 (Call 07/02/45)		425		525,036
5.70%, 02/15/33^(b)		50		67,063
6.00%, 03/01/39		185		258,647
6.13%, 05/15/38		100		140,066
Series A, 4.30%, 07/15/48 (Call 01/15/48)		185		230,275
Series B, 3.70%, 12/01/47 (Call 06/01/47)		485		557,401
Ameren Illinois Co. 3.25%, 03/15/50 (Call 09/15/49)		340		381,290
3.70%, 12/01/47 (Call 06/01/47)		480		559,684
4.15%, 03/15/46 (Call 09/15/45)		100		123,560
4.30%, 07/01/44 (Call 01/01/44)		200		243,706
4.50%, 03/15/49 (Call 09/15/48)		613		803,636
4.80%, 12/15/43 (Call 06/15/43)		250		330,378


Security	Par (000)		Value

Electric (continued)
American Transmission Systems Inc., 5.00%, 09/01/44 (Call 03/01/44)^(a)	$	325	$	400,855
Appalachian Power Co. 4.40%, 05/15/44 (Call 11/15/43)		416		490,515
4.45%, 06/01/45 (Call 12/01/44)		405		497,321
7.00%, 04/01/38		123		172,723
Series L, 5.80%, 10/01/35		212		291,650
Series P, 6.70%, 08/15/37		80		108,421
Series Y, 4.50%, 03/01/49 (Call 09/01/48)		305		376,289
Arizona Public Service Co. 3.50%, 12/01/49 (Call 06/01/49)		405		447,681
3.75%, 05/15/46 (Call 11/15/45)		620		703,115
4.20%, 08/15/48 (Call 02/15/48)		60		72,743
4.25%, 03/01/49 (Call 09/01/48)		610		751,611
4.35%, 11/15/45 (Call 05/15/45)^(b)		60		72,887
4.50%, 04/01/42 (Call 10/01/41)		551		675,467
5.05%, 09/01/41 (Call 03/01/41)		160		202,219
Avista Corp., 4.35%, 06/01/48 (Call 12/01/47)^(b)		300		370,802
Baltimore Gas & Electric Co. 3.20%, 09/15/49 (Call 03/15/49)		360		393,361
3.50%, 08/15/46 (Call 02/15/46)		645		729,055
3.75%, 08/15/47 (Call 02/15/47)		50		58,626
4.25%, 09/15/48 (Call 03/15/48)		200		254,655
Berkshire Hathaway Energy Co. 3.80%, 07/15/48 (Call 01/15/48)		872		1,030,285
4.25%, 10/15/50 (Call 04/15/50)^(a)		100		125,775
4.45%, 01/15/49 (Call 07/15/48)		801		1,056,060
4.50%, 02/01/45 (Call 08/01/44)		685		890,574
5.15%, 11/15/43 (Call 05/15/43)		997		1,351,122
5.95%, 05/15/37		680		929,103
6.13%, 04/01/36		792		1,113,755
Black Hills Corp. 3.88%, 10/15/49 (Call 04/15/49)		370		372,622
4.20%, 09/15/46 (Call 03/15/46)		220		222,600
Celeo Redes Operacion Chile SA, 5.20%, 06/22/47^(a)		196		202,928
CenterPoint Energy Houston Electric LLC 3.55%, 08/01/42 (Call 02/01/42)		845		966,638
3.95%, 03/01/48 (Call 09/01/47)^(b)		525		639,191
4.50%, 04/01/44 (Call 10/01/43)		315		401,119
Series AC, 4.25%, 02/01/49 (Call 08/01/48)		510		657,468
CenterPoint Energy Inc., 3.70%, 09/01/49 (Call 03/01/49)^(b)		325		336,774
Cleco Corporate Holdings LLC, 4.97%, 05/01/46 (Call 11/01/45)		520		497,632
Cleco Power LLC, 6.00%, 12/01/40		100		127,451
Cleveland Electric Illuminating Co. (The) 4.55%, 11/15/30 (Call 08/15/30)^(a)(b)		100		115,918
5.95%, 12/15/36		430		540,409
CMS Energy Corp. 4.70%, 03/31/43 (Call 09/30/42)		480		587,230
4.88%, 03/01/44 (Call 09/01/43)		546		703,073
Cometa Energia SA de CV, 6.38%, 04/24/35 (Call 01/24/35)^(a)		380		340,100
Comision Federal de Electricidad 5.75%, 02/14/42^(a)		800		766,008
6.13%, 06/16/45^(a)		400		403,504
Commonwealth Edison Co. 3.65%, 06/15/46 (Call 12/15/45)		420		491,737
3.70%, 03/01/45 (Call 09/01/44)		275		320,928
3.80%, 10/01/42 (Call 04/01/42)		400		463,884


Security	Par (000)		Value

Electric (continued)
4.00%, 03/01/48 (Call 09/01/47)	$	695	$	857,854
4.00%, 03/01/49 (Call 09/01/48)		585		728,838
4.35%, 11/15/45 (Call 05/15/45)		350		446,869
4.60%, 08/15/43 (Call 02/15/43)^(b)		150		193,074
4.70%, 01/15/44 (Call 07/15/43)		575		762,170
6.45%, 01/15/38		105		155,433
Series 123, 3.75%, 08/15/47 (Call 02/15/47)		400		475,923
Series 127, 3.20%, 11/15/49 (Call 05/15/49)		155		169,819
Connecticut Light & Power Co. (The)
4.00%, 04/01/48 (Call 10/01/47)^(b)		375		469,913
4.30%, 04/15/44 (Call 10/15/43)		650		815,084
Consolidated Edison Co. of New York Inc.
3.70%, 11/15/59 (Call 05/15/59)		225		256,968
3.85%, 06/15/46 (Call 12/15/45)		550		629,895
3.95%, 03/01/43 (Call 09/01/42)		575		662,572
4.45%, 03/15/44 (Call 09/15/43)		939		1,149,671
4.50%, 12/01/45 (Call 06/01/45)		867		1,083,181
4.50%, 05/15/58 (Call 11/15/57)		385		478,268
4.63%, 12/01/54 (Call 06/01/54)		798		1,024,889
5.70%, 06/15/40		195		267,692
Series 05-A, 5.30%, 03/01/35		125		163,390
Series 06-A, 5.85%, 03/15/36		125		161,346
Series 06-B, 6.20%, 06/15/36		395		536,948
Series 06-E, 5.70%, 12/01/36		90		115,083
Series 07-A, 6.30%, 08/15/37^(b)		125		172,473
Series 08-B, 6.75%, 04/01/38		635		928,660
Series 09-C, 5.50%, 12/01/39		465		627,290
Series 12-A, 4.20%, 03/15/42		83		99,317
Series 2017, 3.88%, 06/15/47 (Call 12/15/46)		605		704,393
Series A, 4.13%, 05/15/49 (Call 11/15/48)		410		498,331
Series C, 4.00%, 11/15/57 (Call 05/15/57)		25		28,711
Series C, 4.30%, 12/01/56 (Call 06/01/56)		602		734,504
Series E, 4.65%, 12/01/48 (Call 06/01/48)		430		556,985
Consumers Energy Co.
2.50%, 05/01/60 (Call 11/01/49)		440		430,121
3.10%, 08/15/50 (Call 02/15/50)^(b)		200		227,956
3.25%, 08/15/46 (Call 02/15/46)^(b)		450		514,128
3.75%, 02/15/50 (Call 08/15/49)		48		60,659
3.95%, 05/15/43 (Call 11/15/42)		245		301,039
3.95%, 07/15/47 (Call 01/15/47)		310		395,120
4.05%, 05/15/48 (Call 11/15/47)		430		561,135
4.35%, 04/15/49 (Call 10/15/48)		500		682,071
Dayton Power & Light Co. (The), 3.95%, 06/15/49 (Call 12/15/48)		384		416,972
Delmarva Power & Light Co., 4.15%, 05/15/45 (Call 11/15/44)		250		295,069
Dominion Energy Inc.
4.70%, 12/01/44 (Call 06/01/44)		721		867,082
7.00%, 06/15/38		403		561,612
Series A, 4.60%, 03/15/49 (Call 09/15/48)		85		103,366
Series B, 5.95%, 06/15/35		490		628,331
Series C, 4.05%, 09/15/42 (Call 03/15/42)		475		510,931
Series C, 4.90%, 08/01/41 (Call 02/01/41)		642		764,908
Series E, 6.30%, 03/15/33		391		519,342
Series F, 5.25%, 08/01/33		520		602,466
Dominion Energy South Carolina Inc.
4.60%, 06/15/43 (Call 12/15/42)		501		630,289
5.10%, 06/01/65 (Call 12/01/64)		370		529,275
5.30%, 05/15/33		155		200,520
5.45%, 02/01/41 (Call 08/01/40)		380		516,714


Security	Par (000)		Value

Electric (continued)
6.05%, 01/15/38	$	343	$	483,857
6.63%, 02/01/32		375		525,739
DTE Electric Co.
2.95%, 03/01/50 (Call 09/01/49)		300		316,645
3.70%, 03/15/45 (Call 09/15/44)		350		412,992
3.70%, 06/01/46 (Call 12/01/45)		335		393,298
3.75%, 08/15/47 (Call 02/15/47)		175		209,428
3.95%, 06/15/42 (Call 12/15/41)		200		232,135
3.95%, 03/01/49 (Call 09/01/48)^(b)		445		552,383
4.30%, 07/01/44 (Call 01/01/44)		348		440,225
5.70%, 10/01/37		500		666,344
Series A, 4.00%, 04/01/43 (Call 10/01/42)		375		453,610
Series A, 4.05%, 05/15/48 (Call 11/15/47)^(b)		580		725,298
DTE Energy Co., 6.38%, 04/15/33		335		445,152
Duke Energy Carolinas LLC
3.20%, 08/15/49 (Call 02/15/49)^(b)		540		607,286
3.70%, 12/01/47 (Call 06/01/47)		340		409,418
3.75%, 06/01/45 (Call 12/01/44)		240		286,262
3.88%, 03/15/46 (Call 09/15/45)		390		471,940
3.95%, 03/15/48 (Call 09/15/47)		1,075		1,334,385
4.00%, 09/30/42 (Call 03/30/42)		325		388,552
4.25%, 12/15/41 (Call 06/15/41)		465		576,560
5.30%, 02/15/40		555		768,518
6.00%, 01/15/38		187		273,046
6.05%, 04/15/38		385		559,550
6.10%, 06/01/37		285		410,122
6.45%, 10/15/32		441		615,993
Duke Energy Corp.
3.75%, 09/01/46 (Call 03/01/46)		1,813		2,055,618
3.95%, 08/15/47 (Call 02/15/47)		450		525,961
4.20%, 06/15/49 (Call 12/15/48)		1,005		1,219,876
4.80%, 12/15/45 (Call 06/15/45)^(b)		716		923,454
Duke Energy Florida LLC
3.40%, 10/01/46 (Call 04/01/46)		495		553,317
3.85%, 11/15/42 (Call 05/15/42)		380		441,932
4.20%, 07/15/48 (Call 01/15/48)		90		115,062
5.65%, 04/01/40		150		211,020
6.35%, 09/15/37^(b)		315		460,321
6.40%, 06/15/38		345		534,886
Duke Energy Indiana LLC
3.75%, 05/15/46 (Call 11/15/45)^(b)		295		347,432
6.12%, 10/15/35		250		360,414
6.35%, 08/15/38		236		348,138
6.45%, 04/01/39		285		425,030
Series UUU, 4.20%, 03/15/42 (Call 09/15/41)		125		145,477
Series WWW, 4.90%, 07/15/43 (Call 01/15/43)		190		251,425
Series YYY, 3.25%, 10/01/49 (Call 04/01/49)^(b)		250		276,702
Duke Energy Ohio Inc.
3.70%, 06/15/46 (Call 12/15/45)		60		70,167
4.30%, 02/01/49 (Call 08/01/48)		835		1,079,325
Duke Energy Progress LLC
3.60%, 09/15/47 (Call 03/15/47)		470		541,955
3.70%, 10/15/46 (Call 04/15/46)		720		843,126
4.10%, 05/15/42 (Call 11/15/41)^(b)		410		496,754
4.10%, 03/15/43 (Call 09/15/42)		371		444,455
4.15%, 12/01/44 (Call 06/01/44)		444		541,774
4.20%, 08/15/45 (Call 02/15/45)		352		436,906
4.38%, 03/30/44 (Call 09/30/43)^(b)		150		189,573
6.30%, 04/01/38		175		256,115
E.ON International Finance BV, 6.65%, 04/30/38^(a)		539		709,176


Security	Par (000)		Value

Electric (continued)
El Paso Electric Co.
5.00%, 12/01/44 (Call 06/01/44)	$	300	$	360,360
6.00%, 05/15/35		400		557,802
Electricite de France SA
4.75%, 10/13/35 (Call 04/13/35)^(a)(b)		990		1,223,682
4.88%, 09/21/38 (Call 03/21/38)^(a)(b)		1,550		1,910,414
4.88%, 01/22/44^(a)		292		353,160
4.95%, 10/13/45 (Call 04/13/45)^(a)(b)		1,220		1,449,533
5.00%, 09/21/48 (Call 03/21/48)^(a)		1,400		1,708,953
5.25%, 10/13/55 (Call 04/13/55)^(a)		315		375,401
5.60%, 01/27/40^(a)(b)		860		1,102,277
6.00%, 01/22/2114^(a)(b)		375		492,712
6.95%, 01/26/39^(a)		205		301,791
Emera U.S. Finance LP, 4.75%, 06/15/46 (Call 12/15/45)		880		938,549
Emirates Semb Corp. Water & Power Co. PJSC, 4.45%, 08/01/35^(a)		250		265,000
Empresa de Transmision Electrica SA, 5.13%, 05/02/49^(a)		450		454,504
Enel Finance International NV
4.75%, 05/25/47^(a)		1,945		2,249,964
6.00%, 10/07/39^(a)(b)		665		810,113
Entergy Arkansas LLC
4.20%, 04/01/49 (Call 10/01/48)		245		310,212
4.95%, 12/15/44 (Call 12/15/24)		20		21,526
Entergy Louisiana LLC
3.05%, 06/01/31 (Call 03/01/31)		424		466,527
4.00%, 03/15/33 (Call 12/15/32)		195		233,472
4.20%, 09/01/48 (Call 03/01/48)		296		379,613
4.20%, 04/01/50 (Call 10/01/49)		645		832,021
4.95%, 01/15/45 (Call 01/15/25)		100		108,312
Entergy Mississippi LLC, 3.85%, 06/01/49 (Call 12/01/48)		615		739,234
Entergy Texas Inc., 3.55%, 09/30/49 (Call 03/30/49)		350		395,748
Evergy Kansas Central Inc.
3.25%, 09/01/49 (Call 03/01/49)		225		245,679
4.10%, 04/01/43 (Call 10/01/42)		218		259,540
4.13%, 03/01/42 (Call 09/01/41)		485		572,705
4.25%, 12/01/45 (Call 06/01/45)		480		589,229
4.63%, 09/01/43 (Call 03/01/43)		245		299,819
Evergy Metro Inc.
4.20%, 06/15/47 (Call 12/15/46)		355		447,640
4.20%, 03/15/48 (Call 09/15/47)		260		331,369
5.30%, 10/01/41 (Call 04/01/41)		314		413,174
Series 2019, 4.13%, 04/01/49 (Call 10/01/48)		380		476,416
Eversource Energy, 3.45%, 01/15/50 (Call 07/15/49)		150		160,963
Exelon Corp.
4.45%, 04/15/46 (Call 10/15/45)		601		717,791
4.95%, 06/15/35 (Call 12/15/34)		325		396,645
5.10%, 06/15/45 (Call 12/15/44)		761		976,879
5.63%, 06/15/35		742		970,451
7.60%, 04/01/32^(b)		180		265,593
Exelon Generation Co. LLC
5.60%, 06/15/42 (Call 12/15/41)		600		641,212
5.75%, 10/01/41 (Call 04/01/41)		360		368,383
6.25%, 10/01/39		853		955,257
FirstEnergy Corp.
Series C, 4.85%, 07/15/47 (Call 01/15/47)		535		690,241
Series C, 7.38%, 11/15/31		811		1,189,858
FirstEnergy Transmission LLC
4.55%, 04/01/49 (Call 10/01/48)^(a)		350		414,939
5.45%, 07/15/44 (Call 01/15/44)^(a)(b)		600		749,586


Security	Par (000)		Value

Electric (continued)
Florida Power & Light Co.
3.15%, 10/01/49 (Call 04/01/49)	$	1,250	$	1,435,708
3.70%, 12/01/47 (Call 06/01/47)^(b)		585		722,462
3.80%, 12/15/42 (Call 06/15/42)^(b)		325		394,951
3.95%, 03/01/48 (Call 09/01/47)		485		620,330
3.99%, 03/01/49 (Call 09/01/48)		655		845,878
4.05%, 06/01/42 (Call 12/01/41)		360		447,671
4.05%, 10/01/44 (Call 04/01/44)		305		394,757
4.13%, 02/01/42 (Call 08/01/41)^(b)		530		666,445
4.13%, 06/01/48 (Call 12/01/47)		492		653,100
4.95%, 06/01/35		700		933,847
5.13%, 06/01/41 (Call 12/01/40)		50		70,412
5.25%, 02/01/41 (Call 08/01/40)		200		273,672
5.63%, 04/01/34		125		175,725
5.65%, 02/01/37		146		208,066
5.69%, 03/01/40		169		248,181
5.95%, 10/01/33^(b)		15		21,140
5.95%, 02/01/38^(b)		820		1,221,997
5.96%, 04/01/39		100		151,537
Georgia Power Co.
4.30%, 03/15/42		1,300		1,512,113
4.30%, 03/15/43		296		348,306
5.40%, 06/01/40		75		96,148
Series 10-C, 4.75%, 09/01/40		466		571,439
Iberdrola International BV, 6.75%, 07/15/36		305		434,664
Indiana Michigan Power Co.
4.25%, 08/15/48 (Call 02/15/48)		405		500,832
6.05%, 03/15/37		239		324,654
Series K, 4.55%, 03/15/46 (Call 09/15/45)		490		616,771
Series L, 3.75%, 07/01/47 (Call 01/01/47)		240		274,127
Indianapolis Power & Light Co.
4.05%, 05/01/46 (Call 11/01/45)^(a)		125		147,456
4.70%, 09/01/45 (Call 03/01/45)^(a)		50		62,520
Infraestructura Energetica Nova SAB de CV, 4.88%, 01/14/48^(a)		250		207,875
Interstate Power & Light Co.
3.50%, 09/30/49 (Call 03/30/49)		660		713,132
3.70%, 09/15/46 (Call 03/15/46)		435		484,206
4.70%, 10/15/43 (Call 04/15/43)^(b)		143		180,751
6.25%, 07/15/39		80		113,640
ITC Holdings Corp., 5.30%, 07/01/43 (Call 01/01/43)		278		337,162
Jersey Central Power & Light Co., 6.15%, 06/01/37		57		75,565
Kentucky Utilities Co.
4.38%, 10/01/45 (Call 04/01/45)		770		943,498
5.13%, 11/01/40 (Call 05/01/40)		606		801,972
Series 1, 4.65%, 11/15/43 (Call 05/15/43)		50		62,806
LLPL Capital Pte Ltd., 6.88%, 02/04/39^(a)		192		195,384
Louisville Gas & Electric Co., 4.25%, 04/01/49 (Call 10/01/48)		485		605,654
Massachusetts Electric Co., 5.90%, 11/15/39^(a)		50		67,100
MidAmerican Energy Co.
3.15%, 04/15/50 (Call 10/15/49)^(b)		500		566,708
3.65%, 08/01/48 (Call 02/01/48)		530		635,611
3.95%, 08/01/47 (Call 02/01/47)		205		256,715
4.25%, 05/01/46 (Call 11/01/45)		236		299,463
4.25%, 07/15/49 (Call 01/15/49)		636		850,040
4.40%, 10/15/44 (Call 04/15/44)		950		1,229,905
4.80%, 09/15/43 (Call 03/15/43)		645		858,548
5.75%, 11/01/35		106		148,478
5.80%, 10/15/36		55		76,480


Security	Par (000)		Value

Electric (continued)
6.75%, 12/30/31^(b)	$	211	$	306,430
Minejesa Capital BV
4.63%, 08/10/30^(a)		1,500		1,432,050
5.63%, 08/10/37^(a)		500		472,500
Mississippi Power Co., Series 12-A, 4.25%, 03/15/42		425		474,582
Monongahela Power Co., 5.40%, 12/15/43 (Call 06/15/43)^(a)(b)		680		920,535
Narragansett Electric Co. (The), 4.17%, 12/10/42^(a)		50		57,351
National Grid USA, 5.80%, 04/01/35		680		808,682
National Rural Utilities Cooperative Finance Corp.
4.02%, 11/01/32 (Call 05/01/32)		305		349,876
4.30%, 03/15/49 (Call 09/15/48)		205		262,804
4.40%, 11/01/48 (Call 05/01/48)		200		249,787
Series C, 8.00%, 03/01/32		496		770,152
Nevada Power Co.
5.38%, 09/15/40 (Call 03/15/40)		305		396,543
5.45%, 05/15/41 (Call 11/15/40)		25		32,947
Series N, 6.65%, 04/01/36		300		432,368
Series R, 6.75%, 07/01/37		245		358,168
New England Power Co., 3.80%, 12/05/47 (Call 06/05/47)^(a)(b)		950		1,030,136
New York State Electric & Gas Corp., 3.30%, 09/15/49 (Call 03/15/49)^(a)(b)		165		166,826
Niagara Mohawk Power Corp., 4.28%, 10/01/34 (Call 04/01/34)^(a)		750		887,742
Northern States Power Co./MN
2.90%, 03/01/50 (Call 09/01/49)^(b)		900		986,725
3.40%, 08/15/42 (Call 02/15/42)^(b)		360		412,817
3.60%, 05/15/46 (Call 11/15/45)		75		88,314
4.00%, 08/15/45 (Call 02/15/45)		115		142,506
4.13%, 05/15/44 (Call 11/15/43)		232		291,593
4.85%, 08/15/40 (Call 02/15/40)		25		31,597
5.35%, 11/01/39		355		492,474
6.25%, 06/01/36^(b)		421		612,366
NorthWestern Corp., 4.18%, 11/15/44 (Call 05/15/44)		196		227,288
NSTAR Electric Co.
4.40%, 03/01/44 (Call 09/01/43)		175		218,656
5.50%, 03/15/40		346		473,238
Oglethorpe Power Corp.
4.20%, 12/01/42		450		497,811
4.25%, 04/01/46 (Call 10/01/45)		105		116,752
4.55%, 06/01/44^(b)		355		395,407
5.05%, 10/01/48 (Call 04/01/48)^(b)		200		227,581
5.25%, 09/01/50		255		290,686
5.38%, 11/01/40		420		528,754
5.95%, 11/01/39		390		532,676
Ohio Edison Co.
6.88%, 07/15/36		350		478,406
8.25%, 10/15/38		65		105,632
Ohio Power Co.
4.00%, 06/01/49 (Call 12/01/48)^(b)		275		341,929
4.15%, 04/01/48 (Call 10/01/47)^(b)		565		692,072
Series D, 6.60%, 03/01/33		190		259,881
Oklahoma Gas & Electric Co.
3.30%, 03/15/30 (Call 09/15/29)		630		678,993
3.85%, 08/15/47 (Call 02/15/47)		320		362,501
4.15%, 04/01/47 (Call 10/01/46)		405		483,095
5.85%, 06/01/40		45		58,142
Oncor Electric Delivery Co. LLC
3.10%, 09/15/49 (Call 03/15/49)		825		931,470


Security	Par (000)		Value

Electric (continued)
3.75%, 04/01/45 (Call 10/01/44)	$	639	$	777,136
3.80%, 09/30/47 (Call 03/30/47)		375		468,112
3.80%, 06/01/49 (Call 12/01/48)		490		613,390
4.10%, 11/15/48 (Call 05/15/48)		345		432,447
4.55%, 12/01/41 (Call 06/01/41)		410		535,527
5.25%, 09/30/40		305		422,249
5.30%, 06/01/42 (Call 12/01/41)		500		718,287
7.00%, 05/01/32		173		258,514
7.25%, 01/15/33^(b)		185		284,315
7.50%, 09/01/38		105		175,840
PacifiCorp
4.10%, 02/01/42 (Call 08/01/41)		280		337,370
4.13%, 01/15/49 (Call 07/15/48)		735		927,584
4.15%, 02/15/50 (Call 08/15/49)		700		890,032
5.75%, 04/01/37		265		364,676
6.00%, 01/15/39		650		937,194
6.10%, 08/01/36		780		1,086,854
6.25%, 10/15/37^(b)		135		193,828
6.35%, 07/15/38		180		264,992
PECO Energy Co.
3.00%, 09/15/49 (Call 03/15/49)		470		505,991
3.90%, 03/01/48 (Call 09/01/47)		540		668,612
4.15%, 10/01/44 (Call 04/01/44)		615		770,326
4.80%, 10/15/43 (Call 04/15/43)		500		652,083
5.95%, 10/01/36		111		154,835
Pennsylvania Electric Co., 6.15%, 10/01/38		75		93,798
Perusahaan Listrik Negara PT
4.88%, 07/17/49^(a)		1,015		976,937
6.15%, 05/21/48^(a)		1,425		1,553,250
6.25%, 01/25/49^(a)(b)		590		644,575
Potomac Electric Power Co.
4.15%, 03/15/43 (Call 09/15/42)		621		759,434
6.50%, 11/15/37		345		511,231
7.90%, 12/15/38^(b)		75		119,842
PPL Capital Funding Inc.
4.00%, 09/15/47 (Call 03/15/47)		210		222,601
4.70%, 06/01/43 (Call 12/01/42)		615		697,002
5.00%, 03/15/44 (Call 09/15/43)		425		504,721
PPL Electric Utilities Corp.
3.00%, 10/01/49 (Call 04/01/49)		580		619,808
3.95%, 06/01/47 (Call 12/01/46)		345		425,759
4.13%, 06/15/44 (Call 12/15/43)		185		226,377
4.15%, 06/15/48 (Call 12/15/47)^(b)		505		640,126
4.75%, 07/15/43 (Call 01/15/43)		195		255,539
5.20%, 07/15/41 (Call 01/15/41)		10		13,419
6.25%, 05/15/39^(b)		315		467,101
Progress Energy Inc.
6.00%, 12/01/39		540		756,076
7.00%, 10/30/31		310		424,970
7.75%, 03/01/31		349		495,988
PSEG Power LLC, 8.63%, 04/15/31		270		361,511
Public Service Co. of Colorado
3.55%, 06/15/46 (Call 12/15/45)		350		385,687
3.60%, 09/15/42 (Call 03/15/42)^(b)		250		292,719
3.80%, 06/15/47 (Call 12/15/46)		400		498,901
3.95%, 03/15/43 (Call 09/15/42)		125		135,232
4.05%, 09/15/49 (Call 03/15/49)		605		773,347
4.10%, 06/15/48 (Call 12/15/47)		350		447,025
4.30%, 03/15/44 (Call 09/15/43)		205		261,638
4.75%, 08/15/41 (Call 02/15/41)		5		6,378


Security	Par (000)		Value

Electric (continued)
6.50%, 08/01/38	$	235	$	363,236
Series 17, 6.25%, 09/01/37		390		588,463
Series 34, 3.20%, 03/01/50 (Call 09/01/49)		730		832,482
Public Service Co. of New Hampshire, 3.60%, 07/01/49 (Call 01/01/49)		840		977,266
Public Service Co. of Oklahoma, Series G, 6.63%, 11/15/37		50		69,259
Public Service Electric & Gas Co.
3.15%, 01/01/50 (Call 07/01/49)^(b)		500		571,144
3.20%, 08/01/49 (Call 02/01/49)^(b)		510		586,194
3.60%, 12/01/47 (Call 06/01/47)		705		846,926
3.65%, 09/01/42 (Call 03/01/42)		235		275,990
3.80%, 03/01/46 (Call 09/01/45)		763		935,053
3.85%, 05/01/49 (Call 11/01/48)		575		718,167
3.95%, 05/01/42 (Call 11/01/41)^(b)		560		682,911
4.05%, 05/01/48 (Call 11/01/47)		205		262,716
4.15%, 11/01/45 (Call 05/01/45)		75		93,640
5.50%, 03/01/40^(b)		100		142,107
5.80%, 05/01/37		260		368,282
Series K, 4.05%, 05/01/45 (Call 11/01/44)		60		73,835
Puget Sound Energy Inc.
3.25%, 09/15/49 (Call 03/15/49)		1,160		1,271,099
4.22%, 06/15/48 (Call 12/15/47)		25		31,578
4.30%, 05/20/45 (Call 11/20/44)		499		624,831
4.43%, 11/15/41 (Call 05/15/41)		170		194,719
5.64%, 04/15/41 (Call 10/15/40)		235		321,943
5.76%, 10/01/39^(b)		225		311,991
5.80%, 03/15/40		141		196,530
6.27%, 03/15/37		365		505,853
Ruwais Power Co. PJSC, 6.00%, 08/31/36^(a)		450		523,353
San Diego Gas & Electric Co.
3.95%, 11/15/41		190		211,721
4.15%, 05/15/48 (Call 11/15/47)		565		678,569
4.50%, 08/15/40		395		480,279
5.35%, 05/15/40		25		33,033
6.00%, 06/01/39^(b)		208		303,040
Series RRR, 3.75%, 06/01/47 (Call 12/01/46)^(b)		621		696,234
Series TTT, 4.10%, 06/15/49 (Call 12/15/48)		30		36,064
Saudi Electricity Global Sukuk Co. 3, 5.50%, 04/08/44^(a)		550		615,283
Sempra Energy
3.80%, 02/01/38 (Call 08/01/37)		1,681		1,787,031
4.00%, 02/01/48 (Call 08/01/47)		154		174,210
6.00%, 10/15/39		450		608,598
Southern California Edison Co.
3.65%, 02/01/50 (Call 08/01/49)		415		451,147
4.00%, 04/01/47 (Call 10/01/46)		681		761,073
4.05%, 03/15/42 (Call 09/15/41)		565		625,264
4.50%, 09/01/40 (Call 03/01/40)		443		532,833
4.65%, 10/01/43 (Call 04/01/43)		749		880,586
5.50%, 03/15/40		272		352,837
5.63%, 02/01/36		275		336,944
6.00%, 01/15/34		363		465,599
6.05%, 03/15/39		650		856,451
Series 04-G, 5.75%, 04/01/35		235		311,860
Series 05-B, 5.55%, 01/15/36^(b)		285		352,081
Series 05-E, 5.35%, 07/15/35		415		526,796
Series 06-E, 5.55%, 01/15/37		250		311,512
Series 08-A, 5.95%, 02/01/38		475		611,943
Series 13-A, 3.90%, 03/15/43 (Call 09/15/42)		410		448,603
Series B, 4.88%, 03/01/49 (Call 09/01/48)		799		1,005,022


Security	Par (000)		Value

Electric (continued)
Series C, 3.60%, 02/01/45 (Call 08/01/44)	$	630	$	665,204
Series C, 4.13%, 03/01/48 (Call 09/01/47)		973		1,113,730
Southern Co. (The)
4.25%, 07/01/36 (Call 01/01/36)		324		361,685
4.40%, 07/01/46 (Call 01/01/46)		1,655		1,991,291
Southern Power Co.
5.15%, 09/15/41		595		668,323
5.25%, 07/15/43^(b)		225		254,006
Series F, 4.95%, 12/15/46 (Call 06/15/46)		805		865,176
Southwestern Electric Power Co.
6.20%, 03/15/40		385		509,349
Series J, 3.90%, 04/01/45 (Call 10/01/44)		670		727,154
Series L, 3.85%, 02/01/48 (Call 08/01/47)		415		440,404
Southwestern Public Service Co.
3.40%, 08/15/46 (Call 02/15/46)		380		418,074
3.70%, 08/15/47 (Call 02/15/47)		385		442,323
3.75%, 06/15/49 (Call 12/15/48)		115		133,586
4.50%, 08/15/41 (Call 02/15/41)		320		398,684
6.00%, 10/01/36^(b)		395		535,343
Series 6, 4.40%, 11/15/48 (Call 05/15/48)		490		630,756
State Grid Overseas Investment 2014 Ltd., 4.85%, 05/07/44^(a)		700		918,822
State Grid Overseas Investment 2016 Ltd., 4.00%, 05/04/47^(a)(b)		615		724,855
Tampa Electric Co.
3.63%, 06/15/50 (Call 12/15/49)^(b)		375		424,452
4.10%, 06/15/42 (Call 12/15/41)		520		601,453
4.20%, 05/15/45 (Call 11/15/44)		350		397,932
4.35%, 05/15/44 (Call 11/15/43)		225		267,398
4.45%, 06/15/49 (Call 12/15/48)^(b)		370		465,774
6.55%, 05/15/36		30		43,081
Toledo Edison Co. (The), 6.15%, 05/15/37		650		933,252
Tri-State Generation & Transmission Association Inc.
4.25%, 06/01/46 (Call 12/01/45)		55		64,694
6.00%, 06/15/40^(a)(b)		700		943,670
Tucson Electric Power Co., 4.85%, 12/01/48 (Call 06/01/48)		300		381,596
Union Electric Co.
3.25%, 10/01/49 (Call 04/01/49)		470		521,368
3.90%, 09/15/42 (Call 03/15/42)		410		477,624
4.00%, 04/01/48 (Call 10/01/47)		380		464,410
8.45%, 03/15/39		290		481,965
Virginia Electric & Power Co.
3.30%, 12/01/49 (Call 06/01/49)		75		83,081
4.00%, 01/15/43 (Call 07/15/42)		346		411,090
4.45%, 02/15/44 (Call 08/15/43)		575		727,316
4.60%, 12/01/48 (Call 06/01/48)		810		1,079,490
6.35%, 11/30/37		25		35,783
8.88%, 11/15/38		315		538,177
Series A, 6.00%, 05/15/37		110		151,354
Series B, 3.80%, 09/15/47 (Call 03/15/47)		450		534,056
Series B, 4.20%, 05/15/45 (Call 11/15/44)		7		8,573
Series B, 6.00%, 01/15/36^(b)		250		338,585
Series C, 4.00%, 11/15/46 (Call 05/15/46)		585		708,157
Series D, 4.65%, 08/15/43 (Call 02/15/43)		286		370,091
Wisconsin Electric Power Co.
4.30%, 10/15/48 (Call 04/15/48)		429		531,953
5.63%, 05/15/33^(b)		57		74,133
5.70%, 12/01/36		5		6,887
Wisconsin Power & Light Co., 6.38%, 08/15/37		380		525,359


Security	Par (000)		Value

Electric (continued)
Wisconsin Public Service Corp.
3.30%, 09/01/49 (Call 03/01/49)	$	1,045	$	1,142,709
4.75%, 11/01/44 (Call 05/01/44)		310		405,252
Xcel Energy Inc.
3.50%, 12/01/49 (Call 06/01/49)		300		329,224
4.80%, 09/15/41 (Call 03/15/41)		279		333,114
6.50%, 07/01/36		225		317,368

				241,159,515

Electrical Components & Equipment — 0.0%
Emerson Electric Co.
5.25%, 11/15/39		35		46,620
6.00%, 08/15/32		450		606,882

				653,502

Electronics — 0.1%
Fortive Corp., 4.30%, 06/15/46 (Call 12/15/45)		599		645,321
Honeywell International Inc.
3.81%, 11/21/47 (Call 05/21/47)		520		622,524
5.70%, 03/15/36		75		101,853
5.70%, 03/15/37^(b)		65		88,421
Series 30, 5.38%, 03/01/41		27		37,083
Tyco Electronics Group SA, 7.13%, 10/01/37		200		293,935

				1,789,137

Engineering & Construction — 0.1%
Aeropuerto Internacional de Tocumen SA, 6.00%, 11/18/48 (Call 11/18/47)^(a)		850		858,500
Mexico City Airport Trust
5.50%, 10/31/46 (Call 04/30/46)^(a)		475		396,625
5.50%, 07/31/47 (Call 01/31/47)^(a)		1,839		1,526,370

				2,781,495

Environmental Control — 0.2%
Republic Services Inc.
3.05%, 03/01/50 (Call 09/01/49)		260		264,912
5.70%, 05/15/41 (Call 11/15/40)		140		194,099
Waste Management Inc.
3.90%, 03/01/35 (Call 09/01/34)		350		411,846
4.00%, 07/15/39 (Call 01/15/39)^(b)		360		431,659
4.10%, 03/01/45 (Call 09/01/44)		941		1,160,713
4.15%, 07/15/49 (Call 01/15/49)^(b)		1,258		1,599,793

				4,063,022

Food — 1.7%
Campbell Soup Co., 4.80%, 03/15/48 (Call 09/15/47)		760		964,327
Conagra Brands Inc.
5.30%, 11/01/38 (Call 05/01/38)		976		1,223,747
5.40%, 11/01/48 (Call 05/01/48)^(b)		495		661,130
8.25%, 09/15/30		545		787,671
General Mills Inc.
4.15%, 02/15/43 (Call 08/15/42)		45		58,680
4.55%, 04/17/38 (Call 10/17/37)		605		741,420
4.70%, 04/17/48 (Call 10/17/47)		435		580,754
5.40%, 06/15/40		425		562,575
Grupo Bimbo SAB de CV
4.00%, 09/06/49^(a)(b)		1,000		908,880
4.70%, 11/10/47 (Call 05/10/47)^(a)		200		198,590
Hershey Co. (The)
3.13%, 11/15/49 (Call 05/15/49)		385		419,247
3.38%, 08/15/46 (Call 02/15/46)		200		215,430
Ingredion Inc., 6.63%, 04/15/37		200		259,992


Security	Par (000)		Value

Food (continued)
JM Smucker Co. (The)
4.25%, 03/15/35	$	1,095	$	1,260,559
4.38%, 03/15/45		250		259,984
Kellogg Co.
4.50%, 04/01/46^(b)		390		485,505
Series B, 7.45%, 04/01/31		926		1,239,990
Koninklijke Ahold Delhaize NV, 5.70%, 10/01/40		480		622,865
Kroger Co. (The)
3.88%, 10/15/46 (Call 04/15/46)		625		669,336
3.95%, 01/15/50 (Call 07/15/49)^(b)		100		112,642
4.45%, 02/01/47 (Call 08/01/46)		840		990,287
4.65%, 01/15/48 (Call 07/15/47)		510		615,273
5.00%, 04/15/42 (Call 10/15/41)		375		447,240
5.15%, 08/01/43 (Call 02/01/43)		195		240,695
5.40%, 07/15/40 (Call 01/15/40)		295		368,787
5.40%, 01/15/49 (Call 07/15/48)		370		488,203
6.90%, 04/15/38^(b)		330		472,538
7.50%, 04/01/31		315		446,398
Mars Inc.
3.20%, 04/01/30 (Call 01/01/30)^(a)(b)		275		305,135
3.60%, 04/01/34 (Call 01/01/34)^(a)(b)		455		526,778
3.88%, 04/01/39 (Call 10/01/38)^(a)		650		770,771
3.95%, 04/01/44 (Call 10/01/43)^(a)		300		338,977
3.95%, 04/01/49 (Call 10/01/48)^(a)(b)		675		829,528
4.13%, 04/01/54 (Call 10/01/53)^(a)(b)		475		592,332
4.20%, 04/01/59 (Call 10/01/58)^(a)		675		846,091
McCormick & Co. Inc./MD, 4.20%, 08/15/47 (Call 02/15/47)		315		376,058
Mondelez International Inc., 4.63%, 05/07/48 (Call 11/07/47)		725		886,693
Nestle Holdings Inc.
3.90%, 09/24/38 (Call 03/24/38)^(a)(b)		1,180		1,433,563
4.00%, 09/24/48 (Call 03/24/48)^(a)		2,029		2,578,984
Sysco Corp.
4.45%, 03/15/48 (Call 09/15/47)		582		576,364
4.50%, 04/01/46 (Call 10/01/45)		546		548,229
4.85%, 10/01/45 (Call 04/01/45)		625		632,594
5.38%, 09/21/35		325		364,780
6.60%, 04/01/50 (Call 10/01/49)		1,000		1,236,072
Tesco PLC, 6.15%, 11/15/37^(a)		730		885,955
Tyson Foods Inc.
4.55%, 06/02/47 (Call 12/02/46)^(b)		640		767,035
4.88%, 08/15/34 (Call 02/15/34)		580		733,316
5.10%, 09/28/48 (Call 03/28/48)		969		1,257,267
5.15%, 08/15/44 (Call 02/15/44)		150		190,453

				32,979,720

Forest Products & Paper — 0.5%
Celulosa Arauco y Constitucion SA
5.15%, 01/29/50 (Call 07/29/49)^(a)		50		46,250
5.50%, 11/02/47 (Call 05/02/47)^(b)		455		427,700
5.50%, 04/30/49 (Call 10/30/48)^(a)(b)		500		476,875
Domtar Corp.
6.25%, 09/01/42		175		171,404
6.75%, 02/15/44 (Call 08/15/43)		220		228,584
Georgia-Pacific LLC, 8.88%, 05/15/31		693		982,116
International Paper Co.
4.35%, 08/15/48 (Call 02/15/48)^(b)		990		1,121,235
4.40%, 08/15/47 (Call 02/15/47)^(b)		1,305		1,482,522
4.80%, 06/15/44 (Call 12/15/43)		576		648,754
5.00%, 09/15/35 (Call 03/15/35)		440		518,566


Security	Par (000)		Value

Forest Products & Paper (continued)
5.15%, 05/15/46 (Call 11/15/45)	$	610	$	727,909
6.00%, 11/15/41 (Call 05/15/41)		442		560,142
7.30%, 11/15/39		305		426,614
8.70%, 06/15/38		75		114,542
Stora Enso OYJ, 7.25%, 04/15/36^(a)		470		639,200
Suzano Austria GmbH, 7.00%, 03/16/47 (Call 09/16/46)^(a)		935		947,856

				9,520,269

Gas — 1.2%
Atmos Energy Corp.
3.38%, 09/15/49 (Call 03/15/49)		425		477,408
4.13%, 10/15/44 (Call 04/15/44)		565		701,328
4.13%, 03/15/49 (Call 09/15/48)		285		351,858
4.15%, 01/15/43 (Call 07/15/42)		340		412,925
4.30%, 10/01/48 (Call 04/01/48)		400		510,341
5.50%, 06/15/41 (Call 12/15/40)		305		428,218
Boston Gas Co., 4.49%, 02/15/42^(a)		35		42,028
Brooklyn Union Gas Co. (The)
4.27%, 03/15/48 (Call 09/15/47)^(a)		1,035		1,220,683
4.49%, 03/04/49 (Call 09/04/48)^(a)		1,300		1,589,777
4.50%, 03/10/46 (Call 09/10/45)^(a)		25		30,514
CenterPoint Energy Resources Corp.
4.10%, 09/01/47 (Call 03/01/47)		365		394,167
5.85%, 01/15/41 (Call 07/15/40)		235		304,024
6.63%, 11/01/37		35		48,522
Centrica PLC, 5.38%, 10/16/43 (Call 04/16/43)^(a)		250		292,452
Dominion Energy Gas Holdings LLC
4.60%, 12/15/44 (Call 06/15/44)		500		542,708
4.80%, 11/01/43 (Call 05/01/43)		115		125,206
Series C, 3.90%, 11/15/49 (Call 05/15/49)		270		264,718
KeySpan Gas East Corp., 5.82%, 04/01/41^(a)		250		332,519
Korea Gas Corp., 6.25%, 01/20/42^(a)		640		951,997
Mega Advance Investments Ltd., 6.38%, 05/12/41^(a)		200		282,313
Nakilat Inc., 6.07%, 12/31/33^(a)(b)		650		754,130
NiSource Inc.
3.95%, 03/30/48 (Call 09/30/47)^(b)		510		579,617
4.38%, 05/15/47 (Call 11/15/46)		720		862,744
4.80%, 02/15/44 (Call 08/15/43)^(b)		278		344,231
5.25%, 02/15/43 (Call 08/15/42)		687		876,413
5.65%, 02/01/45 (Call 08/01/44)		561		779,583
5.80%, 02/01/42 (Call 08/01/41)		150		195,633
5.95%, 06/15/41 (Call 12/15/40)		560		745,080
ONE Gas Inc.
4.50%, 11/01/48 (Call 05/01/48)^(b)		355		453,293
4.66%, 02/01/44 (Call 08/01/43)		235		290,390
Piedmont Natural Gas Co. Inc.
3.64%, 11/01/46 (Call 05/01/46)		70		76,747
4.10%, 09/18/34 (Call 03/18/34)		100		107,591
4.65%, 08/01/43 (Call 02/01/43)		153		183,189
Southern California Gas Co.
3.75%, 09/15/42 (Call 03/15/42)		180		204,564
4.45%, 03/15/44 (Call 09/15/43)		470		576,603
5.13%, 11/15/40		80		104,273
Series UU, 4.13%, 06/01/48 (Call 12/01/47)		155		192,821
Series VV, 4.30%, 01/15/49 (Call 07/15/48)		510		635,043
Series WW, 3.95%, 02/15/50 (Call 08/15/49)^(b)		800		982,326
Southern Co. Gas Capital Corp.
3.95%, 10/01/46 (Call 04/01/46)		250		263,474
4.40%, 06/01/43 (Call 12/01/42)		391		429,957
4.40%, 05/30/47 (Call 11/30/46)		210		244,539
5.88%, 03/15/41 (Call 09/15/40)		817		1,033,259


Security	Par (000)		Value

Gas (continued)
6.00%, 10/01/34	$	400	$	519,052
Southwest Gas Corp.
3.80%, 09/29/46 (Call 03/29/46)		175		184,687
4.15%, 06/01/49 (Call 12/01/48)^(b)		335		379,788
Spire Inc., 4.70%, 08/15/44 (Call 02/15/44)^(b)		100		103,854
Washington Gas Light Co.
3.65%, 09/15/49 (Call 03/15/49)		511		560,686
Series K, 3.80%, 09/15/46 (Call 03/15/46)^(b)		210		236,069

				22,203,342

Hand & Machine Tools — 0.1%
Snap-on Inc., 4.10%, 03/01/48 (Call 09/01/47)		470		541,630
Stanley Black & Decker Inc.
4.85%, 11/15/48 (Call 05/15/48)		191		251,427
5.20%, 09/01/40		235		299,083

				1,092,140

Health Care – Products — 1.3%
Abbott Laboratories
4.75%, 11/30/36 (Call 05/30/36)		1,155		1,509,948
4.75%, 04/15/43 (Call 10/15/42)		973		1,315,532
4.90%, 11/30/46 (Call 05/30/46)		3,020		4,253,027
5.30%, 05/27/40		310		425,639
6.00%, 04/01/39		200		292,354
Alcon Finance Corp., 3.80%, 09/23/49 (Call 03/23/49)^(a)		400		435,198
Baxter International Inc., 3.50%, 08/15/46 (Call 02/15/46)		373		406,050
Boston Scientific Corp.
4.55%, 03/01/39 (Call 09/01/38)		750		899,546
4.70%, 03/01/49 (Call 09/01/48)		945		1,182,465
7.00%, 11/15/35		335		482,234
7.38%, 01/15/40		220		341,659
Danaher Corp., 4.38%, 09/15/45 (Call 03/15/45)		465		572,364
DH Europe Finance II Sarl
3.25%, 11/15/39 (Call 05/15/39)		300		325,240
3.40%, 11/15/49 (Call 05/15/49)^(b)		810		898,851
Koninklijke Philips NV, 5.00%, 03/15/42		1,080		1,346,691
Medtronic Inc.
4.38%, 03/15/35^(b)		2,190		2,783,302
4.63%, 03/15/45		1,346		1,822,109
Stryker Corp.
4.10%, 04/01/43 (Call 10/01/42)		475		543,519
4.38%, 05/15/44 (Call 11/15/43)		266		311,881
4.63%, 03/15/46 (Call 09/15/45)		1,035		1,306,191
Thermo Fisher Scientific Inc.
4.10%, 08/15/47 (Call 02/15/47)		956		1,194,512
5.30%, 02/01/44 (Call 08/01/43)		512		708,444
Zimmer Biomet Holdings Inc.
4.25%, 08/15/35 (Call 02/15/35)		465		474,735
4.45%, 08/15/45 (Call 02/15/45)		315		325,381
5.75%, 11/30/39^(b)		200		241,154

				24,398,026

Health Care – Services — 2.9%
Advocate Health & Hospitals Corp., 4.27%, 08/15/48 (Call 02/15/48)		750		938,756
Aetna Inc.
3.88%, 08/15/47 (Call 02/15/47)		255		278,365
4.13%, 11/15/42 (Call 05/15/42)		390		430,155
4.50%, 05/15/42 (Call 11/15/41)		310		353,883
4.75%, 03/15/44 (Call 09/15/43)		245		290,789
6.63%, 06/15/36		380		528,719
6.75%, 12/15/37		435		595,414


Security	Par (000)		Value

Health Care – Services (continued)
Allina Health System, Series 2019, 3.89%, 04/15/49	$	215	$	231,059
Anthem Inc.
3.13%, 05/15/50 (Call 11/15/49)		355		354,105
3.70%, 09/15/49 (Call 03/15/49)		320		347,228
4.38%, 12/01/47 (Call 06/01/47)		895		1,060,342
4.55%, 03/01/48 (Call 09/01/47)		680		832,124
4.63%, 05/15/42		1,302		1,585,296
4.65%, 01/15/43^(b)		829		1,013,730
4.65%, 08/15/44 (Call 02/15/44)		695		852,009
4.85%, 08/15/54 (Call 02/15/54)		275		317,539
5.10%, 01/15/44		795		999,774
5.95%, 12/15/34		35		48,509
Ascension Health
3.95%, 11/15/46		1,303		1,521,331
4.85%, 11/15/53		203		267,904
Baylor Scott & White Holdings
3.97%, 11/15/46 (Call 05/15/46)		350		398,543
4.19%, 11/15/45 (Call 05/15/45)		201		238,708
CommonSpirit Health
3.82%, 10/01/49 (Call 04/01/49)		630		632,557
4.19%, 10/01/49 (Call 04/01/49)		797		778,949
4.35%, 11/01/42		735		733,066
Dartmouth-Hitchcock Health, Series B, 4.18%, 08/01/48 (Call 02/01/48)		230		240,484
Dignity Health
4.50%, 11/01/42		305		297,183
5.27%, 11/01/64		115		120,629
Duke University Health System Inc., Series 2017, 3.92%, 06/01/47 (Call 12/01/46)		330		388,324
Hackensack Meridian Health Inc., 4.21%, 07/01/48 (Call 01/01/48)		75		87,210
Hartford HealthCare Corp., 3.45%, 07/01/54		100		91,897
HCA Inc.
5.13%, 06/15/39 (Call 12/15/38)^(b)		912		1,063,661
5.25%, 06/15/49 (Call 12/15/48)		1,425		1,701,223
5.50%, 06/15/47 (Call 12/15/46)		1,360		1,643,754
Humana Inc.
3.95%, 08/15/49 (Call 02/15/49)		455		512,984
4.63%, 12/01/42 (Call 06/01/42)		685		808,668
4.80%, 03/15/47 (Call 09/15/46)^(b)		325		409,486
4.95%, 10/01/44 (Call 04/01/44)^(b)		410		511,312
8.15%, 06/15/38		100		148,137
Indiana University Health Inc. Obligated Group, 3.97%, 11/01/48 (Call 05/01/48)		100		123,913
Johns Hopkins Health System Corp. (The), 3.84%, 05/15/46		135		157,408
Kaiser Foundation Hospitals
4.15%, 05/01/47 (Call 11/01/46)		2,183		2,637,668
4.88%, 04/01/42		175		231,725
Laboratory Corp. of America Holdings, 4.70%, 02/01/45 (Call 08/01/44)		725		879,260
Mayo Clinic, Series 2013, 4.00%, 11/15/47		11		12,876
McLaren Health Care Corp., Series A, 4.39%, 05/15/48 (Call 11/15/47)		25		30,389
Memorial Sloan-Kettering Cancer Center
4.13%, 07/01/52		325		398,588
5.00%, 07/01/42		45		60,152
Series 2015, 4.20%, 07/01/55^(b)		465		586,177
Montefiore Obligated Group, Series 18-C, 5.25%, 11/01/48		410		428,557


Security	Par (000)		Value

Health Care – Services (continued)
Mount Sinai Hospitals Group Inc., Series 2017, 3.98%, 07/01/48^(b)	$	205	$	217,856
New York and Presbyterian Hospital (The)
4.02%, 08/01/45		176		209,658
4.06%, 08/01/56		450		512,835
4.76%, 08/01/2116		55		62,773
Series 2019, 3.95%, 08/01/2119 (Call 02/01/2119)		750		770,125
Northwell Healthcare Inc.
3.81%, 11/01/49 (Call 11/01/48)		185		176,641
3.98%, 11/01/46 (Call 11/01/45)		890		879,478
4.26%, 11/01/47 (Call 11/01/46)		710		743,524
Ochsner Clinic Foundation, 5.90%, 05/15/45 (Call 11/15/44)		75		96,742
Partners Healthcare System Inc., Series 2020, 3.19%, 07/01/49 (Call 01/01/49)^(b)		1,135		1,178,720
Providence St Joseph Health Obligated Group
Series A, 3.93%, 10/01/48 (Call 04/01/48)		115		123,290
Series I, 3.74%, 10/01/47		250		259,637
Quest Diagnostics Inc., 4.70%, 03/30/45 (Call 09/30/44)		527		649,617
Roche Holdings Inc., 4.00%, 11/28/44 (Call 05/28/44)^(a)(b)		261		324,234
Southern Baptist Hospital of Florida Inc., 4.86%, 07/15/45 (Call 01/15/45)		25		30,339
Spectrum Health System Obligated Group, Series 19A, 3.49%, 07/15/49 (Call 01/15/49)		100		110,981
Stanford Health Care, Series 2018, 3.80%, 11/15/48 (Call 05/15/48)		375		429,220
Sutter Health, Series 2018, 4.09%, 08/15/48 (Call 02/15/48)		395		445,159
Texas Health Resources, 4.33%, 11/15/55		9		10,966
Toledo Hospital (The)
4.98%, 11/15/45 (Call 05/15/45)^(b)		50		46,631
5.75%, 11/15/38 (Call 11/15/28)		165		188,019
6.02%, 11/15/48		530		563,298
UnitedHealth Group Inc.
3.50%, 08/15/39 (Call 02/15/39)		377		421,212
3.70%, 08/15/49 (Call 02/15/49)^(b)		1,145		1,344,882
3.75%, 10/15/47 (Call 04/15/47)^(b)		870		1,022,463
3.88%, 08/15/59 (Call 02/15/59)^(b)		825		1,004,733
3.95%, 10/15/42 (Call 04/15/42)		617		722,087
4.20%, 01/15/47 (Call 07/15/46)		493		610,209
4.25%, 03/15/43 (Call 09/15/42)		500		618,097
4.25%, 04/15/47 (Call 10/15/46)		430		536,192
4.25%, 06/15/48 (Call 12/15/47)		1,057		1,321,435
4.38%, 03/15/42 (Call 09/15/41)		350		431,307
4.45%, 12/15/48 (Call 06/15/48)		1,065		1,370,309
4.63%, 07/15/35		1,464		1,843,152
4.63%, 11/15/41 (Call 05/15/41)		405		513,210
4.75%, 07/15/45		925		1,226,691
5.70%, 10/15/40 (Call 04/15/40)		330		470,189
5.80%, 03/15/36		390		532,494
5.95%, 02/15/41 (Call 08/15/40)		400		583,522
6.50%, 06/15/37		415		612,390
6.63%, 11/15/37		486		736,046
6.88%, 02/15/38^(b)		980		1,521,861
Willis-Knighton Medical Center, Series 2018, 4.81%, 09/01/48 (Call 03/01/48)		135		168,583

				54,841,326

Holding Companies – Diversified — 0.1%
CK Hutchison International 19 II Ltd., 3.38%, 09/06/49 (Call 03/06/49)^(a)		1,000		1,049,662


Security	Par (000)		Value

Holding Companies – Diversified (continued)
Hutchison Whampoa International Ltd., 7.45%, 11/24/33^(a)	$	275	$	419,956

				1,469,618

Home Furnishings — 0.1%
Whirlpool Corp.
4.50%, 06/01/46 (Call 12/01/45)		755		789,850
5.15%, 03/01/43		200		219,819

				1,009,669

Household Products & Wares — 0.2%
Kimberly-Clark Corp.
2.88%, 02/07/50 (Call 08/07/49)		400		426,175
3.20%, 07/30/46 (Call 01/30/46)^(b)		755		849,946
3.90%, 05/04/47 (Call 11/04/46)		310		385,430
5.30%, 03/01/41^(b)		31		44,527
6.63%, 08/01/37		330		514,313
SC Johnson & Son Inc., 4.75%, 10/15/46 (Call 04/16/46)^(a)		1,025		1,285,331

				3,505,722

Insurance — 5.1%
ACE Capital Trust II, Series N, 9.70%, 04/01/30^(b)		100		139,567
Aflac Inc.
4.00%, 10/15/46 (Call 04/15/46)		395		448,773
4.75%, 01/15/49 (Call 07/15/48)^(b)		685		877,081
6.45%, 08/15/40^(b)		131		175,862
AIA Group Ltd., 4.50%, 03/16/46 (Call 09/16/45)^(a)		200		238,108
AIG SunAmerica Global Financing X, 6.90%, 03/15/32^(a)(b)		575		789,368
Alleghany Corp., 4.90%, 09/15/44 (Call 03/15/44)^(b)		140		165,020
Allstate Corp. (The)
3.85%, 08/10/49 (Call 02/10/49)		805		938,959
4.20%, 12/15/46 (Call 06/15/46)		620		769,257
4.50%, 06/15/43		335		429,220
5.35%, 06/01/33^(b)		388		510,522
5.55%, 05/09/35		376		525,743
5.95%, 04/01/36		150		215,189
6.50%, 05/15/57 (Call 05/15/37)^(c)		195		222,684
American Financial Group Inc./OH, 4.50%, 06/15/47 (Call 12/15/46)		425		401,036
American International Group Inc.
3.88%, 01/15/35 (Call 07/15/34)		1,496		1,597,269
4.38%, 01/15/55 (Call 07/15/54)		285		302,927
4.50%, 07/16/44 (Call 01/16/44)		1,141		1,260,400
4.70%, 07/10/35 (Call 01/10/35)		760		877,184
4.75%, 04/01/48 (Call 10/01/47)^(b)		1,095		1,255,704
4.80%, 07/10/45 (Call 01/10/45)		895		1,014,214
6.25%, 05/01/36		1,015		1,279,017
8.18%, 05/15/58 (Call 05/15/38)^(c)		170		209,100
Aon Corp., 6.25%, 09/30/40		525		755,207
Aon PLC
4.45%, 05/24/43 (Call 02/24/43)		505		576,498
4.60%, 06/14/44 (Call 03/14/44)		430		515,946
4.75%, 05/15/45 (Call 11/15/44)^(b)		441		540,131
Arch Capital Finance LLC, 5.03%, 12/15/46 (Call 06/15/46)		270		339,635
Arch Capital Group Ltd., 7.35%, 05/01/34		270		394,044
Arch Capital Group U.S. Inc., 5.14%, 11/01/43		470		583,120
Assurant Inc., 6.75%, 02/15/34		198		236,041
AXA SA, 8.60%, 12/15/30		2,015		2,797,869
AXIS Specialty Finance PLC, 5.15%, 04/01/45		510		564,955


Security	Par (000)		Value

Insurance (continued)
Berkshire Hathaway Finance Corp.
4.20%, 08/15/48 (Call 02/15/48)	$	1,440	$	1,813,502
4.25%, 01/15/49 (Call 07/15/48)^(b)		793		1,004,922
4.30%, 05/15/43		163		203,932
4.40%, 05/15/42		190		236,708
5.75%, 01/15/40		235		343,339
Berkshire Hathaway Inc., 4.50%, 02/11/43		715		920,439
Brighthouse Financial Inc., 4.70%, 06/22/47 (Call 12/22/46)		1,224		1,057,084
Chubb Corp. (The), 6.00%, 05/11/37		210		305,313
Chubb INA Holdings Inc.
4.15%, 03/13/43		250		315,005
4.35%, 11/03/45 (Call 05/03/45)		860		1,124,791
Equitable Holdings Inc., 5.00%, 04/20/48 (Call 10/20/47)		1,140		1,187,614
Everest Reinsurance Holdings Inc., 4.87%, 06/01/44^(b)		450		497,505
Farmers Exchange Capital II, 6.15%, 11/01/53 (Call 11/01/33)^(a)(c)		10		11,985
Farmers Exchange Capital III, 5.45%, 10/15/54 (Call 10/15/34)^(a)(c)		640		773,310
Farmers Insurance Exchange, 4.75%, 11/01/57 (Call 11/01/37)^(a)(c)		300		308,874
Great-West Lifeco Finance 2018 LP, 4.58%, 05/17/48 (Call 11/17/47)^(a)		1,000		1,215,426
Great-West Lifeco Finance Delaware LP, 4.15%, 06/03/47 (Call 12/03/46)^(a)		50		52,545
Guardian Life Insurance Co. of America (The)
3.70%, 01/22/70 (Call 07/22/69)^(a)		50		50,758
4.85%, 01/24/77^(a)		475		593,652
4.88%, 06/19/64^(a)		275		355,540
Harborwalk Funding Trust, 5.08%, 02/15/69 (Call 02/15/49)^(a)(c)		590		684,950
Hartford Financial Services Group Inc. (The)
3.60%, 08/19/49 (Call 02/19/49)		335		355,211
4.30%, 04/15/43		179		205,311
4.40%, 03/15/48 (Call 09/15/47)		415		487,148
5.95%, 10/15/36		216		276,326
6.10%, 10/01/41		520		678,175
6.63%, 03/30/40^(b)		345		456,923
Liberty Mutual Group Inc.
3.95%, 10/15/50 (Call 04/15/50)^(a)(b)		1,326		1,348,484
4.50%, 06/15/49 (Call 12/15/48)^(a)		667		730,697
Liberty Mutual Insurance Co., 7.70%, 10/15/97^(a)(b)		85		133,543
Lincoln National Corp.
4.35%, 03/01/48 (Call 09/01/47)		650		707,632
6.30%, 10/09/37		116		140,958
7.00%, 06/15/40		675		899,483
Loews Corp.
4.13%, 05/15/43 (Call 11/15/42)^(b)		310		346,027
6.00%, 02/01/35		354		483,312
Manulife Financial Corp., 5.38%, 03/04/46		935		1,202,974
Markel Corp.
4.15%, 09/17/50 (Call 03/17/50)		160		163,361
4.30%, 11/01/47 (Call 05/01/47)^(b)		285		293,455
5.00%, 03/30/43		350		370,710
5.00%, 04/05/46		595		668,840
5.00%, 05/20/49 (Call 11/20/48)		325		371,930
Marsh & McLennan Companies Inc.
4.20%, 03/01/48 (Call 09/01/47)^(b)		530		645,983
4.35%, 01/30/47 (Call 07/30/46)		782		968,250
4.75%, 03/15/39 (Call 09/15/38)		170		212,380


Security	Par (000)		Value

Insurance (continued)
4.90%, 03/15/49 (Call 09/15/48)	$	1,115	$	1,519,554
5.88%, 08/01/33		75		100,198
Massachusetts Mutual Life Insurance Co.
3.73%, 10/15/70^(a)		931		945,087
4.90%, 04/01/77^(a)		190		239,804
MetLife Capital Trust IV, 7.88%, 12/15/37 (Call 12/15/32)^(a)		155		192,200
MetLife Inc.
4.05%, 03/01/45^(b)		616		720,868
4.13%, 08/13/42		766		895,577
4.60%, 05/13/46 (Call 11/13/45)^(b)		455		574,331
4.88%, 11/13/43		565		730,239
5.70%, 06/15/35		350		472,565
5.88%, 02/06/41		1,050		1,460,871
6.38%, 06/15/34^(b)		570		812,114
6.40%, 12/15/36 (Call 12/15/31)		1,333		1,491,687
6.50%, 12/15/32		655		920,743
9.25%, 04/08/38 (Call 04/08/33)^(a)		125		165,000
10.75%, 08/01/39 (Call 08/01/34)^(b)		176		267,439
Series N, 4.72%, 12/15/44		875		1,120,194
Mutual of Omaha Insurance Co., 6.80%, 06/15/36^(a)		75		105,584
Nationwide Financial Services Inc.
3.90%, 11/30/49 (Call 05/30/49)^(a)		995		979,299
5.30%, 11/18/44^(a)		450		519,777
Nationwide Mutual Insurance Co.
4.95%, 04/22/44^(a)		750		784,539
8.25%, 12/01/31^(a)(b)		200		300,647
9.38%, 08/15/39^(a)(b)		435		724,478
New York Life Insurance Co.
4.45%, 05/15/69 (Call 11/15/68)^(a)(b)		642		798,353
5.88%, 05/15/33^(a)		980		1,336,883
6.75%, 11/15/39^(a)		1,160		1,751,244
Northwestern Mutual Life Insurance Co. (The)
3.63%, 09/30/59 (Call 03/30/59)^(a)		1,694		1,837,706
3.85%, 09/30/47 (Call 03/30/47)^(a)		750		838,662
Ohio National Financial Services Inc., 6.63%, 05/01/31^(a)(b)		150		141,335
Ohio National Life Insurance Co. (The), 6.88%, 06/15/42^(a)(b)		300		338,917
Pacific Life Insurance Co., 4.30%, 10/24/67 (Call 10/24/47)^(a)(c)		760		726,129
Principal Financial Group Inc.
4.30%, 11/15/46 (Call 05/15/46)^(b)		133		155,531
4.35%, 05/15/43		325		365,470
4.63%, 09/15/42		40		49,251
6.05%, 10/15/36		191		246,655
Progressive Corp. (The)
3.70%, 01/26/45		210		247,740
4.13%, 04/15/47 (Call 10/15/46)		673		854,835
4.20%, 03/15/48 (Call 09/15/47)		940		1,220,872
4.35%, 04/25/44		171		221,501
6.25%, 12/01/32		240		324,996
Prudential Financial Inc.
3.70%, 03/13/51 (Call 09/13/50)		75		79,539
3.91%, 12/07/47 (Call 06/07/47)		974		1,050,978
3.94%, 12/07/49 (Call 06/07/49)		1,438		1,564,210
4.35%, 02/25/50 (Call 08/25/49)		929		1,062,839
4.42%, 03/27/48 (Call 09/27/47)		550		636,070
4.60%, 05/15/44		345		405,888
5.70%, 12/14/36		780		1,049,658


Security	Par (000)		Value

Insurance (continued)
6.63%, 06/21/40	$	150	$	213,444
Series B, 5.75%, 07/15/33		100		125,213
Series D, 6.63%, 12/01/37		65		90,863
Securian Financial Group Inc., 4.80%, 04/15/48^(a)		315		395,890
Selective Insurance Group Inc., 5.38%, 03/01/49 (Call 09/01/48)		230		245,464
Sompo International Holdings Ltd., 7.00%, 07/15/34		400		568,672
Teachers Insurance & Annuity Association of America 4.27%, 05/15/47 (Call 11/15/46)^(a)(b)		2,635		3,072,820
4.90%, 09/15/44^(a)(b)		826		1,055,509
6.85%, 12/16/39^(a)(b)		186		284,594
Transatlantic Holdings Inc., 8.00%, 11/30/39		275		400,749
Travelers Companies Inc. (The)
3.75%, 05/15/46 (Call 11/15/45)		530		631,223
4.00%, 05/30/47 (Call 11/30/46)		457		565,879
4.05%, 03/07/48 (Call 09/07/47)		714		897,568
4.10%, 03/04/49 (Call 09/04/48)		715		906,768
4.30%, 08/25/45 (Call 02/25/45)^(b)		535		675,513
4.60%, 08/01/43^(b)		108		131,180
5.35%, 11/01/40		563		790,882
6.25%, 06/15/37^(b)		450		663,573
6.75%, 06/20/36		115		175,261
Travelers Property Casualty Corp., 6.38%, 03/15/33		400		582,761
Unum Group
4.50%, 12/15/49 (Call 06/15/49)		675		599,775
5.75%, 08/15/42		400		421,294
Voya Financial Inc.
4.80%, 06/15/46		100		115,036
5.70%, 07/15/43		660		814,375
Western & Southern Financial Group Inc., 5.75%, 07/15/33^(a)		200		260,356
Western & Southern Life Insurance Co. (The), 5.15%, 01/15/49 (Call 07/15/48)^(a)		150		198,225
Willis North America Inc.
3.88%, 09/15/49 (Call 03/15/49)^(b)		310		337,751
5.05%, 09/15/48 (Call 03/15/48)		805		1,047,542
WR Berkley Corp., 4.75%, 08/01/44		210		224,998
XLIT Ltd.
5.25%, 12/15/43		150		198,788
5.50%, 03/31/45^(b)		661		854,306

				98,044,286

Internet — 1.0%
Alibaba Group Holding Ltd.
4.00%, 12/06/37 (Call 06/06/37)		1,615		1,847,964
4.20%, 12/06/47 (Call 06/06/47)		1,285		1,558,605
4.40%, 12/06/57 (Call 06/06/57)		435		558,804
4.50%, 11/28/34 (Call 05/28/34)		625		778,917
Amazon.com Inc.
3.88%, 08/22/37 (Call 02/22/37)		2,565		3,123,631
4.05%, 08/22/47 (Call 02/22/47)^(b)		1,130		1,476,930
4.25%, 08/22/57 (Call 02/22/57)		1,942		2,657,425
4.80%, 12/05/34 (Call 06/05/34)		1,932		2,607,747
4.95%, 12/05/44 (Call 06/05/44)		1,475		2,089,046
eBay Inc., 4.00%, 07/15/42 (Call 01/15/42)		792		794,582
Tencent Holdings Ltd.
3.93%, 01/19/38 (Call 07/19/37)^(a)(b)		800		878,458
4.53%, 04/11/49 (Call 10/11/48)^(a)		200		254,728

				18,626,837


Security	Par (000)		Value

Iron & Steel — 0.3%
ArcelorMittal SA
6.75%, 03/01/41	$	160	$	162,902
7.00%, 10/15/39		226		235,942
Nucor Corp.
4.40%, 05/01/48 (Call 11/01/47)		385		453,392
5.20%, 08/01/43 (Call 02/01/43)		794		993,657
6.40%, 12/01/37		632		871,751
Vale Overseas Ltd.
6.88%, 11/21/36		1,105		1,284,573
6.88%, 11/10/39		1,320		1,553,376
8.25%, 01/17/34		50		63,700
Vale SA, 5.63%, 09/11/42		455		474,474

				6,093,767

Leisure Time — 0.0%
Harley-Davidson Inc., 4.63%, 07/28/45 (Call 01/28/45)		125		119,098


Lodging — 0.0%
Marriott International Inc./MD, 4.50%, 10/01/34 (Call 04/01/34)		280		256,190


Machinery — 0.6%
ABB Finance USA Inc., 4.38%, 05/08/42		577		707,882
Caterpillar Inc.
3.25%, 09/19/49 (Call 03/19/49)		955		1,025,186
3.80%, 08/15/42^(b)		698		819,074
4.30%, 05/15/44 (Call 11/15/43)		525		657,590
4.75%, 05/15/64 (Call 11/15/63)^(b)		780		1,056,522
5.20%, 05/27/41		620		873,584
5.30%, 09/15/35		86		114,939
6.05%, 08/15/36		186		259,571
Crane Co., 4.20%, 03/15/48 (Call 09/15/47)		70		60,372
Deere & Co.
2.88%, 09/07/49 (Call 03/07/49)^(b)		865		880,860
3.90%, 06/09/42 (Call 12/09/41)^(b)		603		733,672
7.13%, 03/03/31		188		264,124
Dover Corp.
5.38%, 10/15/35		140		168,895
5.38%, 03/01/41 (Call 12/01/40)		460		580,176
Otis Worldwide Corp.
3.11%, 02/15/40 (Call 08/15/39)^(a)		1,000		985,841
3.36%, 02/15/50 (Call 08/15/49)^(a)		1,245		1,273,318
Rockwell Automation Inc., 4.20%, 03/01/49 (Call 09/01/48)		946		1,190,139
Xylem Inc./NY, 4.38%, 11/01/46 (Call 05/01/46)		275		289,610

				11,941,355

Manufacturing — 1.4%
3M Co.
3.13%, 09/19/46 (Call 03/19/46)		240		255,276
3.25%, 08/26/49 (Call 02/26/49)^(b)		801		879,321
3.63%, 10/15/47 (Call 04/15/47)		156		178,195
3.88%, 06/15/44		150		165,754
4.00%, 09/14/48 (Call 03/14/48)		1,283		1,597,588
5.70%, 03/15/37^(b)		215		294,871
Eaton Corp.
4.00%, 11/02/32^(b)		1,125		1,276,123
4.15%, 11/02/42^(b)		1,185		1,376,283
General Electric Co.
4.13%, 10/09/42		382		369,959
4.35%, 05/01/50 (Call 11/01/49)		600		604,567
4.50%, 03/11/44		525		534,740


Security	Par (000)		Value

Manufacturing (continued)
5.88%, 01/14/38	$	2,583	$	2,935,461
6.15%, 08/07/37		1,079		1,272,649
6.75%, 03/15/32		2,605		3,230,578
6.88%, 01/10/39		1,450		1,805,006
Illinois Tool Works Inc.
3.90%, 09/01/42 (Call 03/01/42)		1,292		1,538,781
4.88%, 09/15/41 (Call 03/15/41)		570		735,747
Ingersoll-Rand Global Holding Co. Ltd.
4.30%, 02/21/48 (Call 08/21/47)		150		172,266
5.75%, 06/15/43		680		867,519
Ingersoll-Rand Luxembourg Finance SA
4.50%, 03/21/49 (Call 09/21/48)		405		475,334
4.65%, 11/01/44 (Call 05/01/44)		165		190,445
Parker-Hannifin Corp.
4.00%, 06/14/49 (Call 12/14/48)^(b)		975		1,085,829
4.10%, 03/01/47 (Call 09/01/46)		290		324,255
4.20%, 11/21/34 (Call 05/21/34)		362		411,482
4.45%, 11/21/44 (Call 05/21/44)		295		339,094
Series A, 6.25%, 05/15/38		455		621,492
Siemens Financieringsmaatschappij NV
3.30%, 09/15/46^(a)(b)		1,220		1,328,390
4.20%, 03/16/47^(a)(b)		1,195		1,526,645
4.40%, 05/27/45^(a)(b)		1,088		1,382,865

				27,776,515

Media — 5.3%
Charter Communications Operating LLC/Charter Communications Operating Capital
3.70%, 04/01/51 (Call 10/01/50)		1,200		1,191,024
4.80%, 03/01/50 (Call 09/01/49)^(b)		1,180		1,328,246
5.13%, 07/01/49 (Call 01/01/49)		755		898,633
5.38%, 04/01/38 (Call 10/01/37)		1,144		1,349,293
5.38%, 05/01/47 (Call 11/01/46)		2,435		2,930,253
5.75%, 04/01/48 (Call 10/01/47)		2,587		3,264,204
6.38%, 10/23/35 (Call 04/23/35)		1,220		1,566,579
6.48%, 10/23/45 (Call 04/23/45)		2,540		3,320,397
6.83%, 10/23/55 (Call 04/23/55)		227		304,449
Comcast Corp.
3.20%, 07/15/36 (Call 01/15/36)^(b)		805		876,928
3.25%, 11/01/39 (Call 05/01/39)		1,950		2,124,524
3.40%, 07/15/46 (Call 01/15/46)		1,540		1,703,610
3.45%, 02/01/50 (Call 08/01/49)		1,285		1,441,727
3.90%, 03/01/38 (Call 09/01/37)		1,083		1,261,093
3.97%, 11/01/47 (Call 05/01/47)		2,100		2,493,688
4.00%, 08/15/47 (Call 02/15/47)		1,030		1,225,969
4.00%, 03/01/48 (Call 09/01/47)		893		1,070,737
4.00%, 11/01/49 (Call 05/01/49)^(b)		1,975		2,345,558
4.05%, 11/01/52 (Call 05/01/52)		1,145		1,397,641
4.20%, 08/15/34 (Call 02/15/34)		1,001		1,204,666
4.25%, 10/15/30 (Call 07/15/30)		2,330		2,803,920
4.25%, 01/15/33		980		1,185,894
4.40%, 08/15/35 (Call 02/15/35)		605		749,655
4.50%, 01/15/43		1,105		1,360,361
4.60%, 10/15/38 (Call 04/15/38)		2,215		2,783,852
4.60%, 08/15/45 (Call 02/15/45)		995		1,269,496
4.65%, 07/15/42		860		1,094,646
4.70%, 10/15/48 (Call 04/15/48)		2,595		3,403,135
4.75%, 03/01/44		1,100		1,426,395
4.95%, 10/15/58 (Call 04/15/58)		1,235		1,751,656
5.65%, 06/15/35		296		412,856
6.40%, 05/15/38^(b)		124		180,335


Security	Par (000)		Value

Media (continued)
6.45%, 03/15/37^(b)	$	270	$	391,509
6.50%, 11/15/35		710		1,073,217
6.55%, 07/01/39		80		117,651
6.95%, 08/15/37^(b)		798		1,202,998
7.05%, 03/15/33^(b)		671		1,012,295
Cox Communications Inc.
4.50%, 06/30/43 (Call 12/30/42)^(a)		71		77,681
4.60%, 08/15/47 (Call 02/15/47)^(a)(b)		1,530		1,755,576
4.70%, 12/15/42^(a)		275		299,816
8.38%, 03/01/39^(a)		800		1,208,014
Discovery Communications LLC
4.88%, 04/01/43		975		1,055,352
4.95%, 05/15/42		675		735,785
5.00%, 09/20/37 (Call 03/20/37)		715		787,876
5.20%, 09/20/47 (Call 03/20/47)		550		626,426
5.30%, 05/15/49 (Call 11/15/48)		662		767,488
6.35%, 06/01/40		625		784,068
Fox Corp.
5.48%, 01/25/39 (Call 07/25/38)		958		1,209,262
5.58%, 01/25/49 (Call 07/25/48)		1,125		1,537,186
Grupo Televisa SAB
5.00%, 05/13/45 (Call 11/13/44)		1,060		1,047,462
5.25%, 05/24/49 (Call 11/24/48)		500		513,241
6.13%, 01/31/46 (Call 07/31/45)		200		225,069
6.63%, 01/15/40		429		494,277
NBCUniversal Media LLC
4.45%, 01/15/43		970		1,196,981
5.95%, 04/01/41		865		1,227,757
Thomson Reuters Corp.
5.50%, 08/15/35		150		183,093
5.65%, 11/23/43 (Call 05/23/43)		585		751,681
5.85%, 04/15/40		375		465,362
Time Warner Cable LLC
4.50%, 09/15/42 (Call 03/15/42)		820		865,909
5.50%, 09/01/41 (Call 03/01/41)		1,140		1,332,057
5.88%, 11/15/40 (Call 05/15/40)		1,425		1,693,056
6.55%, 05/01/37		1,257		1,557,807
6.75%, 06/15/39		235		299,891
7.30%, 07/01/38^(b)		276		364,936
Time Warner Entertainment Co. LP, 8.38%, 07/15/33		970		1,411,071
TWDC Enterprises 18 Corp.
3.00%, 07/30/46		375		386,416
3.70%, 12/01/42		507		584,270
4.13%, 06/01/44		775		936,817
4.38%, 08/16/41		400		483,570
Series B, 7.00%, 03/01/32^(b)		200		290,900
Series E, 4.13%, 12/01/41		250		301,148
ViacomCBS Inc.
4.38%, 03/15/43		1,175		1,144,131
4.60%, 01/15/45 (Call 07/15/44)		805		781,392
4.85%, 07/01/42 (Call 01/01/42)		365		371,056
4.90%, 08/15/44 (Call 02/15/44)		625		627,191
5.25%, 04/01/44 (Call 10/01/43)^(b)		485		517,683
5.50%, 05/15/33		430		487,940
5.85%, 09/01/43 (Call 03/01/43)		480		546,122
5.90%, 10/15/40 (Call 04/15/40)		215		242,821
6.88%, 04/30/36		835		1,001,245
7.88%, 07/30/30		415		548,538
Walt Disney Co. (The)
2.75%, 09/01/49 (Call 03/01/49)		1,150		1,108,230


Security	Par (000)		Value

Media (continued)
4.70%, 03/23/50 (Call 09/23/49)	$	800	$	1,070,313
4.75%, 09/15/44 (Call 03/15/44)		803		1,020,351
4.75%, 11/15/46 (Call 05/15/46)		45		58,303
4.95%, 10/15/45 (Call 04/15/45)^(b)		495		647,788
5.40%, 10/01/43		580		802,449
6.15%, 03/01/37		60		85,205
6.15%, 02/15/41		74		108,303
6.20%, 12/15/34		2,195		3,126,504
6.40%, 12/15/35		722		1,043,421
6.55%, 03/15/33		1,070		1,531,330
6.65%, 11/15/37		1,025		1,529,590

				101,376,297

Metal Fabricate & Hardware — 0.1%
Precision Castparts Corp.
3.90%, 01/15/43 (Call 07/15/42)		521		593,127
4.38%, 06/15/45 (Call 12/15/44)		556		664,184
Valmont Industries Inc.
5.00%, 10/01/44 (Call 04/01/44)^(b)		410		455,627
5.25%, 10/01/54 (Call 04/01/54)		121		119,595

				1,832,533

Mining — 1.7%
Barrick Gold Corp.
5.25%, 04/01/42		1,507		1,955,720
6.45%, 10/15/35		120		159,477
Barrick North America Finance LLC
5.70%, 05/30/41		516		685,914
5.75%, 05/01/43		1,074		1,513,539
7.50%, 09/15/38		222		335,024
Barrick PD Australia Finance Pty Ltd., 5.95%, 10/15/39		374		506,607
BHP Billiton Finance USA Ltd.
4.13%, 02/24/42		674		830,804
5.00%, 09/30/43^(b)		2,147		2,946,265
Corp. Nacional del Cobre de Chile
3.70%, 01/30/50 (Call 07/30/49)^(a)		1,500		1,356,233
4.25%, 07/17/42^(a)		1,235		1,195,707
4.38%, 02/05/49 (Call 08/05/48)^(a)		1,075		1,101,027
4.50%, 08/01/47 (Call 02/01/47)^(a)		1,050		1,090,312
4.88%, 11/04/44^(a)(b)		60		63,903
5.63%, 10/18/43^(a)(b)		1,200		1,408,252
Glencore Canada Corp., 6.20%, 06/15/35		35		36,574
Glencore Finance Canada Ltd.
5.55%, 10/25/42^(a)(b)		225		226,960
6.00%, 11/15/41^(a)		185		198,659
6.90%, 11/15/37^(a)(b)		100		116,237
Indonesia Asahan Aluminium Persero PT, 6.76%, 11/15/48^(a)		600		641,740
Industrias Penoles SAB de CV, 5.65%, 09/12/49 (Call 03/12/49)^(a)		400		384,000
Kinross Gold Corp., 6.88%, 09/01/41 (Call 03/01/41)		40		45,204
Minera Mexico SA de CV, 4.50%, 01/26/50 (Call 07/26/49)^(a)		625		537,813
Newmont Corp.
4.88%, 03/15/42 (Call 09/15/41)		963		1,181,663
5.45%, 06/09/44 (Call 12/09/43)		504		660,655
5.88%, 04/01/35		250		356,555
6.25%, 10/01/39		993		1,395,877
Rio Tinto Alcan Inc.
5.75%, 06/01/35		136		189,254
6.13%, 12/15/33		586		803,427


Security	Par (000)		Value

Mining (continued)
7.25%, 03/15/31^(b)	$	791	$	1,134,341
Rio Tinto Finance USA Ltd., 5.20%, 11/02/40		465		628,937
Rio Tinto Finance USA PLC
4.13%, 08/21/42 (Call 02/21/42)		1,395		1,709,613
4.75%, 03/22/42 (Call 09/22/41)		415		528,887
Southern Copper Corp.
5.25%, 11/08/42		805		845,468
5.88%, 04/23/45		1,195		1,341,298
6.75%, 04/16/40^(b)		835		1,017,858
7.50%, 07/27/35		630		800,924
Teck Resources Ltd.
5.20%, 03/01/42 (Call 09/01/41)		495		419,374
5.40%, 02/01/43 (Call 08/01/42)		450		388,397
6.00%, 08/15/40 (Call 02/15/40)		415		384,436
6.13%, 10/01/35		235		235,096
6.25%, 07/15/41 (Call 01/15/41)		532		501,392

				31,859,423

Oil & Gas — 5.4%
Apache Corp.
4.25%, 01/15/44 (Call 07/15/43)		573		375,262
4.75%, 04/15/43 (Call 10/15/42)		1,197		819,493
5.10%, 09/01/40 (Call 03/01/40)		730		493,389
5.25%, 02/01/42 (Call 08/01/41)		455		313,425
5.35%, 07/01/49 (Call 01/01/49)^(b)		425		298,572
BP Capital Markets America Inc., 3.00%, 02/24/50 (Call 08/24/49)		100		94,305
Burlington Resources LLC
5.95%, 10/15/36		175		223,834
7.20%, 08/15/31		510		676,617
7.40%, 12/01/31		345		478,896
Canadian Natural Resources Ltd.
4.95%, 06/01/47 (Call 12/01/46)		856		781,393
5.85%, 02/01/35		200		190,098
6.25%, 03/15/38		440		431,909
6.45%, 06/30/33		855		836,093
6.50%, 02/15/37		245		242,110
6.75%, 02/01/39		185		181,859
7.20%, 01/15/32		300		313,289
CNOOC Finance 2012 Ltd., 5.00%, 05/02/42^(a)		250		318,577
CNOOC Finance 2013 Ltd.
3.30%, 09/30/49 (Call 03/30/49)		600		605,845
4.25%, 05/09/43		750		865,068
CNOOC Finance 2015 Australia Pty Ltd., 4.20%, 05/05/45		400		463,834
CNOOC Nexen Finance 2014 ULC, 4.88%, 04/30/44		565		718,119
CNPC HK Overseas Capital Ltd., 5.95%, 04/28/41^(a)		450		631,486
Concho Resources Inc.
4.85%, 08/15/48 (Call 02/15/48)		500		495,002
4.88%, 10/01/47 (Call 04/01/47)^(b)		390		386,057
Conoco Funding Co., 7.25%, 10/15/31		630		831,326
ConocoPhillips
5.90%, 10/15/32		676		896,959
5.90%, 05/15/38		100		134,067
6.50%, 02/01/39		1,823		2,584,105
ConocoPhillips Co.
4.30%, 11/15/44 (Call 05/15/44)		1,109		1,288,067
5.95%, 03/15/46 (Call 09/15/45)		450		623,007
Devon Energy Corp.
4.75%, 05/15/42 (Call 11/15/41)		369		290,967
5.00%, 06/15/45 (Call 12/15/44)		612		500,015
5.60%, 07/15/41 (Call 01/15/41)		1,246		1,012,876


Security	Par (000)		Value

Oil & Gas (continued)
7.95%, 04/15/32	$	150	$	147,920
Ecopetrol SA
5.88%, 05/28/45		1,060		929,726
7.38%, 09/18/43		990		1,022,472
Empresa Nacional del Petroleo, 4.50%, 09/14/47 (Call 03/14/47)^(a)		750		677,228
EOG Resources Inc.
3.90%, 04/01/35 (Call 10/01/34)		800		864,771
5.10%, 01/15/36 (Call 07/15/35)		195		220,380
Equinor ASA
3.25%, 11/18/49 (Call 05/18/49)		900		941,239
3.95%, 05/15/43		659		721,771
4.25%, 11/23/41		700		791,091
4.80%, 11/08/43		318		382,862
5.10%, 08/17/40		707		888,812
Exxon Mobil Corp.
3.00%, 08/16/39 (Call 02/16/39)		700		714,285
3.10%, 08/16/49 (Call 02/16/49)		740		764,846
3.45%, 04/15/51 (Call 10/15/50)		2,996		3,276,965
3.57%, 03/06/45 (Call 09/06/44)		1,239		1,343,265
4.11%, 03/01/46 (Call 09/01/45)		1,531		1,821,381
4.23%, 03/19/40 (Call 09/19/39)		3,000		3,595,872
4.33%, 03/19/50 (Call 09/19/49)		2,004		2,452,824
Gazprom PJSC Via Gaz Capital SA, 7.29%, 08/16/37^(a)		1,200		1,645,579
Hess Corp.
5.60%, 02/15/41		752		657,813
5.80%, 04/01/47 (Call 10/01/46)		495		429,320
6.00%, 01/15/40^(b)		365		324,188
7.13%, 03/15/33		350		315,691
7.30%, 08/15/31		795		747,046
Husky Energy Inc., 6.80%, 09/15/37		108		98,058
KazMunayGas National Co. JSC
5.38%, 04/24/30^(a)		900		891,211
6.38%, 10/24/48^(a)		750		776,367
Marathon Oil Corp.
5.20%, 06/01/45 (Call 12/01/44)		315		228,852
6.60%, 10/01/37		615		484,973
6.80%, 03/15/32		641		532,475
Marathon Petroleum Corp.
4.50%, 04/01/48 (Call 10/01/47)		458		391,557
4.75%, 09/15/44 (Call 03/15/44)		697		633,506
5.00%, 09/15/54 (Call 03/15/54)		568		473,343
5.85%, 12/15/45 (Call 06/15/45)^(b)		455		440,342
6.50%, 03/01/41 (Call 09/01/40)		345		362,023
Motiva Enterprises LLC, 6.85%, 01/15/40^(a)		475		437,486
Nexen Inc.
5.88%, 03/10/35		537		735,581
6.40%, 05/15/37		755		1,054,530
7.50%, 07/30/39		565		901,622
7.88%, 03/15/32		640		964,975
Noble Energy Inc.
4.20%, 10/15/49 (Call 04/15/49)		70		47,552
4.95%, 08/15/47 (Call 02/15/47)		280		200,001
5.05%, 11/15/44 (Call 05/15/44)		765		561,526
5.25%, 11/15/43 (Call 05/15/43)		660		488,909
6.00%, 03/01/41 (Call 09/01/40)		840		668,391
Ovintiv Inc.
6.50%, 08/15/34		330		204,230
6.50%, 02/01/38		650		399,267
6.63%, 08/15/37		235		143,641


Security	Par (000)		Value

Oil & Gas (continued)
7.20%, 11/01/31	$	100	$	66,120
7.38%, 11/01/31		200		133,381
8.13%, 09/15/30		290		199,942
Pertamina Persero PT
4.18%, 01/21/50 (Call 07/21/49)^(a)		835		695,428
4.70%, 07/30/49^(a)		1,600		1,479,331
6.45%, 05/30/44^(a)		2,100		2,319,672
6.50%, 11/07/48^(a)		1,105		1,237,101
Petroleos del Peru SA
4.75%, 06/19/32^(a)		1,135		1,100,961
5.63%, 06/19/47^(a)		700		682,507
Petroleos Mexicanos, 6.63%, 06/15/38		238		163,482
Petronas Capital Ltd., 4.50%, 03/18/45^(a)(b)		1,350		1,494,928
Phillips 66
4.65%, 11/15/34 (Call 05/15/34)		266		286,076
4.88%, 11/15/44 (Call 05/15/44)		1,640		1,841,517
5.88%, 05/01/42		1,501		1,904,120
PTTEP Treasury Center Co. Ltd., 3.90%, 12/06/59^(a)		500		473,947
Saudi Arabian Oil Co.
4.25%, 04/16/39^(a)		2,415		2,488,518
4.38%, 04/16/49^(a)		2,135		2,176,209
Shell International Finance BV
3.13%, 11/07/49 (Call 05/07/49)		1,360		1,389,069
3.63%, 08/21/42		583		610,533
3.75%, 09/12/46		1,101		1,185,359
4.00%, 05/10/46		2,030		2,311,172
4.13%, 05/11/35		1,935		2,241,589
4.38%, 05/11/45		1,663		1,958,514
4.55%, 08/12/43		1,025		1,216,987
5.50%, 03/25/40		1,350		1,779,566
6.38%, 12/15/38		1,405		2,015,809
Sinopec Capital 2013 Ltd., 4.25%, 04/24/43^(a)		400		460,371
Sinopec Group Overseas Development 2012 Ltd., 4.88%, 05/17/42^(a)		735		916,066
Sinopec Group Overseas Development 2013 Ltd., 5.38%, 10/17/43^(a)		250		337,021
Sinopec Group Overseas Development 2017 Ltd.
4.00%, 09/13/47^(a)(b)		710		806,871
4.25%, 04/12/47^(a)		600		712,332
Sinopec Group Overseas Development 2018 Ltd.
3.68%, 08/08/49 (Call 02/08/49)^(a)		310		336,184
4.60%, 09/12/48^(a)		975		1,227,135
Suncor Energy Inc.
4.00%, 11/15/47 (Call 05/15/47)		1,140		1,077,795
5.35%, 07/15/33		125		124,717
5.95%, 12/01/34		40		41,368
5.95%, 05/15/35		441		466,944
6.50%, 06/15/38		776		840,147
6.80%, 05/15/38		377		412,780
6.85%, 06/01/39		648		728,925
7.15%, 02/01/32		400		449,205
Thaioil Treasury Center Co. Ltd., 5.38%, 11/20/48^(a)		600		670,704
Tosco Corp., 8.13%, 02/15/30		61		85,261
Total Capital International SA, 3.46%, 07/12/49 (Call 01/12/49)		776		811,269
Valero Energy Corp.
4.90%, 03/15/45		809		867,005
6.63%, 06/15/37		914		1,090,753
7.50%, 04/15/32		655		825,556


Security	Par (000)		Value

Oil & Gas (continued)
10.50%, 03/15/39	$	129	$	196,389

				104,130,322

Oil & Gas Services — 0.4%
Baker Hughes a GE Co. LLC, 5.13%, 09/15/40		799		815,807
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc., 4.08%, 12/15/47 (Call 06/15/47)		1,385		1,172,606
Halliburton Co.
4.50%, 11/15/41 (Call 05/15/41)		200		159,009
4.75%, 08/01/43 (Call 02/01/43)		1,235		990,647
4.85%, 11/15/35 (Call 05/15/35)		1,020		893,496
5.00%, 11/15/45 (Call 05/15/45)		890		722,481
6.70%, 09/15/38		446		449,739
7.45%, 09/15/39		935		988,150
National Oilwell Varco Inc., 3.95%, 12/01/42 (Call 06/01/42)		916		634,464

				6,826,399

Packaging & Containers — 0.1%
Packaging Corp. of America, 4.05%, 12/15/49 (Call 06/15/49)^(b)		485		555,447
Sonoco Products Co., 5.75%, 11/01/40 (Call 05/01/40)		634		751,302
WestRock MWV LLC, 7.95%, 02/15/31		151		207,599
WRKCo Inc., 4.20%, 06/01/32 (Call 03/01/32)^(b)		1,115		1,242,174

				2,756,522

Pharmaceuticals — 7.1%
AbbVie Inc.
4.05%, 11/21/39 (Call 05/21/39)^(a)		3,130		3,471,614
4.25%, 11/21/49 (Call 05/21/49)^(a)		3,795		4,375,469
4.30%, 05/14/36 (Call 11/14/35)		427		480,520
4.40%, 11/06/42		2,185		2,548,353
4.45%, 05/14/46 (Call 11/14/45)		2,269		2,644,211
4.50%, 05/14/35 (Call 11/14/34)		1,535		1,789,034
4.70%, 05/14/45 (Call 11/14/44)		1,981		2,350,817
4.88%, 11/14/48 (Call 05/14/48)		1,475		1,808,196
Allergan Finance LLC, 4.63%, 10/01/42 (Call 04/01/42)		400		490,821
Allergan Funding SCS
4.55%, 03/15/35 (Call 09/15/34)		2,015		2,326,470
4.75%, 03/15/45 (Call 09/15/44)		894		1,037,521
4.85%, 06/15/44 (Call 12/15/43)		1,060		1,238,271
AmerisourceBergen Corp.
4.25%, 03/01/45 (Call 09/01/44)		200		208,556
4.30%, 12/15/47 (Call 06/15/47)		585		646,485
AstraZeneca PLC
4.00%, 09/18/42		223		274,238
4.38%, 11/16/45		310		408,856
4.38%, 08/17/48 (Call 02/17/48)		1,058		1,424,971
6.45%, 09/15/37		2,150		3,185,469
Bayer U.S. Finance II LLC
3.95%, 04/15/45 (Call 10/15/44)^(a)		585		621,490
4.20%, 07/15/34 (Call 01/15/34)^(a)		896		983,505
4.40%, 07/15/44 (Call 01/15/44)^(a)		277		326,295
4.63%, 06/25/38 (Call 12/25/37)^(a)(b)		887		1,023,460
4.65%, 11/15/43 (Call 05/15/43)^(a)		74		84,827
4.70%, 07/15/64 (Call 01/15/64)^(a)(b)		1,050		1,176,818
4.88%, 06/25/48 (Call 12/25/47)^(a)(b)		890		1,101,461
5.50%, 07/30/35^(a)(b)		100		128,644
Becton Dickinson and Co.
4.67%, 06/06/47 (Call 12/06/46)		1,200		1,502,138
4.69%, 12/15/44 (Call 06/15/44)		1,039		1,262,535


Security	Par (000)		Value

Pharmaceuticals (continued)
Bristol-Myers Squibb Co.
3.25%, 08/01/42^(b)	$	709	$	795,576
4.13%, 06/15/39 (Call 12/15/38)^(a)		1,963		2,432,854
4.25%, 10/26/49 (Call 04/26/49)^(a)		2,656		3,469,830
4.35%, 11/15/47 (Call 05/15/47)^(a)		610		789,242
4.50%, 03/01/44 (Call 09/01/43)		690		947,266
4.55%, 02/20/48 (Call 08/20/47)^(a)		1,340		1,801,499
4.63%, 05/15/44 (Call 11/15/43)^(a)		460		611,832
5.00%, 08/15/45 (Call 02/15/45)^(a)		1,559		2,157,135
5.25%, 08/15/43^(a)		430		626,384
Cardinal Health Inc.
4.37%, 06/15/47 (Call 12/15/46)		320		334,195
4.50%, 11/15/44 (Call 05/15/44)		310		327,651
4.60%, 03/15/43		470		487,257
4.90%, 09/15/45 (Call 03/15/45)		415		471,044
Cigna Corp.
3.20%, 03/15/40 (Call 09/15/39)		300		304,616
3.40%, 03/15/50 (Call 09/15/49)		1,180		1,238,129
3.88%, 10/15/47 (Call 04/15/47)^(a)		1,117		1,225,583
4.80%, 08/15/38 (Call 02/15/38)		1,900		2,312,203
4.80%, 07/15/46 (Call 01/16/46)^(a)		410		507,704
4.90%, 12/15/48 (Call 06/15/48)^(b)		1,905		2,452,752
5.38%, 02/15/42 (Call 08/15/41)^(a)		675		835,131
6.13%, 11/15/41^(a)		205		288,054
CVS Health Corp.
4.25%, 04/01/50 (Call 10/01/49)		145		169,771
4.78%, 03/25/38 (Call 09/25/37)		3,460		4,084,010
4.88%, 07/20/35 (Call 01/20/35)^(b)		1,195		1,460,384
5.05%, 03/25/48 (Call 09/25/47)		6,255		7,926,464
5.13%, 07/20/45 (Call 01/20/45)		2,845		3,556,088
5.30%, 12/05/43 (Call 06/05/43)		883		1,126,403
Eli Lilly & Co.
3.88%, 03/15/39 (Call 09/15/38)		1,050		1,276,738
3.95%, 05/15/47 (Call 11/15/46)		675		836,490
3.95%, 03/15/49 (Call 09/15/48)		925		1,176,141
4.15%, 03/15/59 (Call 09/15/58)		718		981,900
5.95%, 11/15/37		50		74,298
GlaxoSmithKline Capital Inc.
4.20%, 03/18/43		610		784,469
5.38%, 04/15/34		695		954,882
6.38%, 05/15/38		2,275		3,552,887
Johnson & Johnson
3.40%, 01/15/38 (Call 07/15/37)		1,040		1,211,562
3.50%, 01/15/48 (Call 07/15/47)^(b)		911		1,144,369
3.55%, 03/01/36 (Call 09/01/35)		1,024		1,205,517
3.63%, 03/03/37 (Call 09/03/36)		1,015		1,215,068
3.70%, 03/01/46 (Call 09/01/45)		1,225		1,545,956
3.75%, 03/03/47 (Call 09/03/46)		575		734,965
4.38%, 12/05/33 (Call 06/05/33)		1,139		1,487,133
4.50%, 09/01/40		360		471,366
4.50%, 12/05/43 (Call 06/05/43)		275		384,625
4.85%, 05/15/41		386		551,790
4.95%, 05/15/33		571		784,092
5.85%, 07/15/38		105		156,906
5.95%, 08/15/37		830		1,246,718
McKesson Corp., 4.88%, 03/15/44 (Call 09/15/43)^(b)		450		541,988
Mead Johnson Nutrition Co.
4.60%, 06/01/44 (Call 12/01/43)		513		637,820
5.90%, 11/01/39		340		453,079


Security	Par (000)		Value

Pharmaceuticals (continued)
Merck & Co. Inc.
3.60%, 09/15/42 (Call 03/15/42)	$	730	$	872,455
3.70%, 02/10/45 (Call 08/10/44)		1,280		1,545,777
3.90%, 03/07/39 (Call 09/07/38)		1,240		1,531,047
4.00%, 03/07/49 (Call 09/07/48)		770		1,016,224
4.15%, 05/18/43		1,210		1,558,812
6.55%, 09/15/37^(b)		75		111,933
Merck Sharp & Dohme Corp., 5.75%, 11/15/36		25		35,823
Mylan Inc.
5.20%, 04/15/48 (Call 10/15/47)		620		702,613
5.40%, 11/29/43 (Call 05/29/43)		585		643,018
Mylan NV, 5.25%, 06/15/46 (Call 12/15/45)		865		981,227
Novartis Capital Corp.
2.75%, 08/14/50 (Call 02/14/50)^(b)		1,125		1,219,982
3.70%, 09/21/42		255		308,296
4.00%, 11/20/45 (Call 05/20/45)		505		651,363
4.40%, 05/06/44		2,026		2,714,353
Perrigo Finance Unlimited Co., 4.90%, 12/15/44 (Call 06/15/44)		400		400,380
Pfizer Inc.
3.90%, 03/15/39 (Call 09/15/38)		695		850,589
4.00%, 12/15/36		645		786,345
4.00%, 03/15/49 (Call 09/15/48)		660		853,791
4.10%, 09/15/38 (Call 03/15/38)		385		478,533
4.13%, 12/15/46^(b)		754		963,104
4.20%, 09/15/48 (Call 03/15/48)		1,365		1,812,902
4.30%, 06/15/43		801		1,020,165
4.40%, 05/15/44		1,165		1,533,253
5.60%, 09/15/40		465		684,097
7.20%, 03/15/39		1,225		2,052,404
Wyeth LLC
5.95%, 04/01/37^(b)		761		1,113,981
6.00%, 02/15/36		241		348,307
6.50%, 02/01/34		764		1,142,060
Zoetis Inc.
3.95%, 09/12/47 (Call 03/12/47)		721		855,947
4.45%, 08/20/48 (Call 02/20/48)		380		485,868
4.70%, 02/01/43 (Call 08/01/42)^(b)		766		987,786

				135,333,296

Pipelines — 4.0%
Abu Dhabi Crude Oil Pipeline LLC, 4.60%, 11/02/47^(a)		1,900		2,028,725
Cameron LNG LLC, 3.30%, 01/15/35 (Call 09/15/34)^(a)(b)		1,350		1,342,105
Colonial Pipeline Co.
4.25%, 04/15/48 (Call 10/15/47)^(a)		355		350,777
7.63%, 04/15/32^(a)		85		120,326
Columbia Pipeline Group Inc., 5.80%, 06/01/45 (Call 12/01/44)		630		717,970
El Paso Natural Gas Co. LLC, 8.38%, 06/15/32		50		59,246
Enable Midstream Partners LP, 5.00%, 05/15/44 (Call 11/15/43)		420		265,380
Enbridge Energy Partners LP
5.50%, 09/15/40 (Call 03/15/40)		638		669,752
7.38%, 10/15/45 (Call 04/15/45)		295		385,521
Series B, 7.50%, 04/15/38		250		314,453
Enbridge Inc.
4.00%, 11/15/49 (Call 05/15/49)		325		305,791
4.50%, 06/10/44 (Call 12/10/43)		445		451,404
5.50%, 12/01/46 (Call 06/01/46)		580		651,785
Energy Transfer Operating LP
4.90%, 03/15/35 (Call 09/15/34)		650		586,809


Security	Par (000)		Value

Pipelines (continued)
5.00%, 05/15/50 (Call 11/15/49)	$	1,690	$	1,486,947
5.15%, 02/01/43 (Call 08/01/42)		435		360,011
5.15%, 03/15/45 (Call 09/15/44)		791		702,451
5.30%, 04/15/47 (Call 10/15/46)		970		845,401
5.95%, 10/01/43 (Call 04/01/43)		495		466,759
6.00%, 06/15/48 (Call 12/15/47)^(b)		520		489,427
6.05%, 06/01/41 (Call 12/01/40)		100		96,716
6.13%, 12/15/45 (Call 06/15/45)		938		901,318
6.25%, 04/15/49 (Call 10/15/48)		1,275		1,229,804
6.50%, 02/01/42 (Call 08/01/41)		800		806,768
6.63%, 10/15/36		205		204,031
7.50%, 07/01/38		290		313,466
Series 20Y, 5.80%, 06/15/38 (Call 12/15/37)		100		95,116
Enterprise Products Operating LLC
3.70%, 01/31/51 (Call 07/31/50)		500		469,054
3.95%, 01/31/60 (Call 07/31/59)		550		506,149
4.20%, 01/31/50 (Call 07/31/49)		1,385		1,373,708
4.25%, 02/15/48 (Call 08/15/47)		1,050		1,052,709
4.45%, 02/15/43 (Call 08/15/42)		935		947,989
4.80%, 02/01/49 (Call 08/01/48)		795		862,131
4.85%, 08/15/42 (Call 02/15/42)		698		720,209
4.85%, 03/15/44 (Call 09/15/43)		925		997,783
4.90%, 05/15/46 (Call 11/15/45)		765		822,196
4.95%, 10/15/54 (Call 04/15/54)		675		698,132
5.10%, 02/15/45 (Call 08/15/44)		850		929,464
5.70%, 02/15/42		749		814,698
5.95%, 02/01/41		590		662,969
6.13%, 10/15/39		410		462,822
6.45%, 09/01/40		100		119,973
7.55%, 04/15/38		250		322,164
Series D, 6.88%, 03/01/33		633		749,048
Series H, 6.65%, 10/15/34		141		172,520
Series J, 5.75%, 03/01/35		75		86,179
Gulfstream Natural Gas System LLC, 5.95%, 10/15/45 (Call 04/15/45)^(a)		200		212,731
Kinder Morgan Energy Partners LP
4.70%, 11/01/42 (Call 05/01/42)		340		347,929
5.00%, 08/15/42 (Call 02/15/42)^(b)		300		318,556
5.00%, 03/01/43 (Call 09/01/42)		575		605,539
5.40%, 09/01/44 (Call 03/01/44)		465		521,826
5.50%, 03/01/44 (Call 09/01/43)		390		440,316
5.63%, 09/01/41		70		76,495
5.80%, 03/15/35		300		340,845
6.38%, 03/01/41		565		652,222
6.50%, 02/01/37		200		229,502
6.50%, 09/01/39		467		536,855
6.55%, 09/15/40		235		276,729
6.95%, 01/15/38		1,375		1,639,322
7.30%, 08/15/33		51		61,598
7.40%, 03/15/31		148		178,654
7.50%, 11/15/40		370		459,458
7.75%, 03/15/32		100		128,353
Kinder Morgan Inc./DE
5.05%, 02/15/46 (Call 08/15/45)		556		613,999
5.20%, 03/01/48 (Call 09/01/47)		329		375,152
5.30%, 12/01/34 (Call 06/01/34)		1,625		1,741,807
5.55%, 06/01/45 (Call 12/01/44)		1,370		1,572,393
7.75%, 01/15/32		1,102		1,414,965
Magellan Midstream Partners LP
3.95%, 03/01/50 (Call 09/01/49)		485		463,568


Security	Par (000)		Value

Pipelines (continued)
4.20%, 03/15/45 (Call 09/15/44)	$	255	$	232,099
4.20%, 10/03/47 (Call 04/03/47)		805		747,173
4.25%, 09/15/46 (Call 03/15/46)		235		224,778
4.85%, 02/01/49 (Call 08/01/48)		693		731,689
5.15%, 10/15/43 (Call 04/15/43)		535		551,145
MPLX LP
4.50%, 04/15/38 (Call 10/15/37)		1,532		1,367,845
4.70%, 04/15/48 (Call 10/15/47)		875		780,369
4.90%, 04/15/58 (Call 10/15/57)		365		301,741
5.20%, 03/01/47 (Call 09/01/46)		874		815,476
5.20%, 12/01/47 (Call 06/01/47)^(a)		259		236,390
5.50%, 02/15/49 (Call 08/15/48)		915		907,905
NGPL PipeCo LLC, 7.77%, 12/15/37^(a)		545		600,197
Northern Natural Gas Co., 4.30%, 01/15/49 (Call 07/15/48)^(a)		270		315,614
ONEOK Inc.
4.45%, 09/01/49 (Call 03/01/49)		930		714,660
4.95%, 07/13/47 (Call 01/06/47)		475		399,134
5.20%, 07/15/48 (Call 01/15/48)		959		846,279
6.00%, 06/15/35		230		223,100
ONEOK Partners LP
6.13%, 02/01/41 (Call 08/01/40)		618		564,333
6.20%, 09/15/43 (Call 03/15/43)		295		265,311
6.65%, 10/01/36		210		200,176
6.85%, 10/15/37		300		283,614
Phillips 66 Partners LP
4.68%, 02/15/45 (Call 08/15/44)		185		177,298
4.90%, 10/01/46 (Call 04/01/46)		740		726,923
Plains All American Pipeline LP/PAA Finance Corp.
4.30%, 01/31/43 (Call 07/31/42)		330		256,114
4.70%, 06/15/44 (Call 12/15/43)		342		281,078
4.90%, 02/15/45 (Call 08/15/44)		860		719,268
5.15%, 06/01/42 (Call 12/01/41)		255		216,794
6.65%, 01/15/37		344		325,638
Sabal Trail Transmission LLC
4.68%, 05/01/38 (Call 11/01/37)^(a)		205		223,182
4.83%, 05/01/48 (Call 11/01/47)^(a)		165		180,087
Southern Natural Gas Co. LLC
4.80%, 03/15/47 (Call 09/15/46)^(a)		160		174,484
8.00%, 03/01/32		150		195,812
Spectra Energy Partners LP
4.50%, 03/15/45 (Call 09/15/44)		570		563,778
5.95%, 09/25/43 (Call 03/25/43)		320		365,105
Sunoco Logistics Partners Operations LP
4.95%, 01/15/43 (Call 07/15/42)		260		222,479
5.30%, 04/01/44 (Call 10/01/43)		591		513,311
5.35%, 05/15/45 (Call 11/15/44)		925		829,451
5.40%, 10/01/47 (Call 04/01/47)		1,315		1,190,547
6.10%, 02/15/42		225		218,040
Texas Eastern Transmission LP
4.15%, 01/15/48 (Call 07/15/47)^(a)		463		437,209
7.00%, 07/15/32		340		444,597
TransCanada PipeLines Ltd.
4.63%, 03/01/34 (Call 12/01/33)		770		818,214
4.75%, 05/15/38 (Call 11/15/37)		350		372,507
4.88%, 05/15/48 (Call 11/15/47)		1,255		1,404,430
5.00%, 10/16/43 (Call 04/16/43)		691		761,051
5.10%, 03/15/49 (Call 09/15/48)		800		930,504
5.60%, 03/31/34		250		289,352
5.85%, 03/15/36		250		300,617


Security	Par (000)		Value

Pipelines (continued)
6.10%, 06/01/40	$	485	$	588,992
6.20%, 10/15/37		653		805,918
7.25%, 08/15/38		430		583,413
7.63%, 01/15/39		771		1,090,090
Transcontinental Gas Pipe Line Co. LLC
4.45%, 08/01/42 (Call 02/01/42)		300		315,703
4.60%, 03/15/48 (Call 09/15/47)		790		862,052
5.40%, 08/15/41 (Call 02/15/41)		151		165,052
Williams Companies Inc. (The)
4.85%, 03/01/48 (Call 09/01/47)		515		525,014
4.90%, 01/15/45 (Call 07/15/44)		1,055		1,036,503
5.10%, 09/15/45 (Call 03/15/45)^(b)		704		735,186
5.40%, 03/04/44 (Call 09/04/43)		785		814,281
5.75%, 06/24/44 (Call 12/24/43)		390		424,489
5.80%, 11/15/43 (Call 05/15/43)		75		80,848
6.30%, 04/15/40		710		818,537
8.75%, 03/15/32		125		162,622
Series A, 7.50%, 01/15/31^(b)		105		123,537

				75,806,105

Private Equity — 0.1%
Apollo Management Holdings LP, 5.00%, 03/15/48 (Call 09/15/47)^(a)		85		95,642
Carlyle Finance LLC, 5.65%, 09/15/48 (Call 03/15/48)^(a)(b)		325		371,700
KKR Group Finance Co. III LLC, 5.13%, 06/01/44 (Call 12/01/43)^(a)		855		937,130

				1,404,472

Real Estate Investment Trusts — 1.1%
Alexandria Real Estate Equities Inc.
3.38%, 08/15/31 (Call 05/15/31)		1,100		1,187,673
4.00%, 02/01/50 (Call 08/01/49)		385		425,780
4.70%, 07/01/30 (Call 04/01/30)		975		1,142,074
4.85%, 04/15/49 (Call 10/15/48)		360		449,784
American Tower Corp., 3.70%, 10/15/49 (Call 04/15/49)^(b)		240		265,351
AvalonBay Communities Inc.
3.90%, 10/15/46 (Call 04/15/46)		581		638,924
4.15%, 07/01/47 (Call 01/01/47)		175		210,510
4.35%, 04/15/48 (Call 10/15/47)		50		60,207
Camden Property Trust, 3.35%, 11/01/49 (Call 05/01/49)^(b)		265		277,444
Crown Castle International Corp.
4.00%, 11/15/49 (Call 05/15/49)		410		463,817
4.75%, 05/15/47 (Call 11/15/46)		110		133,974
5.20%, 02/15/49 (Call 08/15/48)		702		915,565
Duke Realty LP, 3.05%, 03/01/50 (Call 09/01/49)		450		420,688
ERP Operating LP
4.00%, 08/01/47 (Call 02/01/47)		35		39,560
4.50%, 07/01/44 (Call 01/01/44)		253		309,891
4.50%, 06/01/45 (Call 12/01/44)		575		707,747
Essex Portfolio LP
2.65%, 03/15/32 (Call 12/15/31)		50		48,241
4.50%, 03/15/48 (Call 09/15/47)		355		403,356
Federal Realty Investment Trust
3.63%, 08/01/46 (Call 02/01/46)		475		455,633
4.50%, 12/01/44 (Call 06/01/44)		297		328,701
Healthpeak Properties Inc., 6.75%, 02/01/41 (Call 08/01/40)		205		272,276
Kimco Realty Corp.
3.70%, 10/01/49 (Call 04/01/49)^(b)		370		313,475
4.13%, 12/01/46 (Call 06/01/46)		51		46,882


Security	Par (000)		Value

Real Estate Investment Trusts (continued)
4.25%, 04/01/45 (Call 10/01/44)	$	430	$	397,755
4.45%, 09/01/47 (Call 03/01/47)		450		431,940
Prologis LP
3.00%, 04/15/50 (Call 10/15/49)		245		248,814
4.38%, 09/15/48 (Call 03/15/48)		235		285,476
Realty Income Corp., 4.65%, 03/15/47 (Call 09/15/46)		520		574,407
Regency Centers LP
4.40%, 02/01/47 (Call 08/01/46)		385		406,630
4.65%, 03/15/49 (Call 09/15/48)		190		208,649
Simon Property Group LP
3.25%, 09/13/49 (Call 03/13/49)^(b)		855		709,181
4.25%, 10/01/44 (Call 04/01/44)^(b)		535		525,121
4.25%, 11/30/46 (Call 05/30/46)^(b)		245		242,160
4.75%, 03/15/42 (Call 09/15/41)		280		289,030
6.75%, 02/01/40 (Call 11/01/39)		655		842,510
Trust F/1401
6.39%, 01/15/50 (Call 07/15/49)^(a)		800		713,008
6.95%, 01/30/44 (Call 07/30/43)^(a)		200		188,000
UDR Inc.
3.00%, 08/15/31 (Call 05/15/31)		865		871,293
3.10%, 11/01/34 (Call 08/01/34)		195		197,520
3.20%, 01/15/30 (Call 10/15/29)		250		258,307
Ventas Realty LP
4.38%, 02/01/45 (Call 08/01/44)		557		495,278
4.88%, 04/15/49 (Call 10/15/48)		223		214,651
5.70%, 09/30/43 (Call 03/30/43)		241		256,878
WEA Finance LLC, 4.63%, 09/20/48 (Call 03/20/48)^(a)		100		91,879
WEA Finance LLC/Westfield UK & Europe Finance PLC,
4.75%, 09/17/44 (Call 03/17/44)^(a)		345		322,879
Welltower Inc.
4.95%, 09/01/48 (Call 03/01/48)		510		564,049
6.50%, 03/15/41 (Call 09/15/40)^(b)		495		608,728
Weyerhaeuser Co.
6.88%, 12/15/33		357		428,122
7.38%, 03/15/32		1,350		1,796,929

				21,686,747

Retail — 3.2%
Alimentation Couche-Tard Inc.
3.80%, 01/25/50 (Call 07/25/49)^(a)		330		309,683
4.50%, 07/26/47 (Call 01/26/47)^(a)		385		394,728
Darden Restaurants Inc., 4.55%, 02/15/48 (Call 08/15/47)		205		187,955
Home Depot Inc. (The)
3.13%, 12/15/49 (Call 06/15/49)^(b)		320		338,602
3.30%, 04/15/40 (Call 10/15/39)		400		437,041
3.35%, 04/15/50 (Call 10/15/49)		900		996,704
3.50%, 09/15/56 (Call 03/15/56)		250		282,954
3.90%, 06/15/47 (Call 12/15/46)		915		1,079,859
4.20%, 04/01/43 (Call 10/01/42)		816		973,509
4.25%, 04/01/46 (Call 10/01/45)^(b)		1,520		1,897,343
4.40%, 03/15/45 (Call 09/15/44)		1,150		1,446,987
4.50%, 12/06/48 (Call 06/06/48)		1,117		1,442,537
4.88%, 02/15/44 (Call 08/15/43)		1,125		1,484,026
5.40%, 09/15/40 (Call 03/15/40)		171		234,201
5.88%, 12/16/36		2,273		3,240,212
5.95%, 04/01/41 (Call 10/01/40)		1,105		1,638,525
Kohl’s Corp., 5.55%, 07/17/45 (Call 01/17/45)		405		286,917
Lowe’s Companies Inc.
3.70%, 04/15/46 (Call 10/15/45)		980		1,065,825
4.05%, 05/03/47 (Call 11/03/46)		1,007		1,131,444
4.25%, 09/15/44 (Call 03/15/44)^(b)		750		848,785


Security	Par (000)		Value

Retail (continued)
4.38%, 09/15/45 (Call 03/15/45)	$	480	$	559,510
4.55%, 04/05/49 (Call 10/05/48)		1,070		1,299,864
4.65%, 04/15/42 (Call 10/15/41)		471		562,169
5.00%, 09/15/43 (Call 03/15/43)		30		36,645
5.13%, 04/15/50 (Call 10/15/49)		1,000		1,305,281
Macy’s Retail Holdings Inc., 4.50%, 12/15/34 (Call 06/15/34)		89		50,841
Marks & Spencer PLC, 7.13%, 12/01/37^(a)		135		123,621
McDonald’s Corp.
3.63%, 05/01/43		736		777,271
3.63%, 09/01/49 (Call 03/01/49)		610		667,649
3.70%, 02/15/42		310		336,336
4.45%, 03/01/47 (Call 09/01/46)		410		502,910
4.45%, 09/01/48 (Call 03/01/48)		872		1,068,873
4.60%, 05/26/45 (Call 11/26/44)		985		1,180,947
4.70%, 12/09/35 (Call 06/09/35)		1,403		1,736,785
4.88%, 07/15/40		146		174,870
4.88%, 12/09/45 (Call 06/09/45)		1,045		1,307,209
5.70%, 02/01/39		480		630,388
6.30%, 10/15/37		598		826,049
6.30%, 03/01/38		439		617,735
Nordstrom Inc., 5.00%, 01/15/44 (Call 07/15/43)		825		573,273
Starbucks Corp.
3.75%, 12/01/47 (Call 06/01/47)		535		567,794
4.30%, 06/15/45 (Call 12/15/44)		515		582,595
4.45%, 08/15/49 (Call 02/15/49)		600		717,767
4.50%, 11/15/48 (Call 05/15/48)		880		1,030,792
Target Corp.
3.63%, 04/15/46		655		787,220
3.90%, 11/15/47 (Call 05/15/47)		239		301,725
4.00%, 07/01/42		428		533,080
6.35%, 11/01/32^(b)		1,120		1,600,060
6.50%, 10/15/37		500		756,145
7.00%, 01/15/38^(b)		600		951,157
Tiffany & Co., 4.90%, 10/01/44 (Call 04/01/44)^(b)		379		480,048
Walgreen Co., 4.40%, 09/15/42		655		678,980
Walgreens Boots Alliance Inc.
4.50%, 11/18/34 (Call 05/18/34)		508		559,450
4.65%, 06/01/46 (Call 12/01/45)^(b)		285		299,296
4.80%, 11/18/44 (Call 05/18/44)		790		842,710
Walmart Inc.
2.95%, 09/24/49 (Call 03/24/49)		300		338,037
3.63%, 12/15/47 (Call 06/15/47)		1,795		2,206,721
3.95%, 06/28/38 (Call 12/28/37)		2,088		2,593,049
4.00%, 04/11/43 (Call 10/11/42)		685		870,371
4.05%, 06/29/48 (Call 12/29/47)		2,855		3,732,615
4.30%, 04/22/44 (Call 10/22/43)		345		450,522
4.75%, 10/02/43 (Call 04/02/43)		360		491,159
5.00%, 10/25/40		430		599,162
5.25%, 09/01/35		1,520		2,138,712
5.63%, 04/01/40		350		520,980
5.63%, 04/15/41		743		1,110,044
6.20%, 04/15/38		535		821,036
6.50%, 08/15/37		170		264,298

				60,881,588

Semiconductors — 1.5%
Analog Devices Inc.
4.50%, 12/05/36 (Call 06/05/36)		655		755,380
5.30%, 12/15/45 (Call 06/15/45)		220		289,876


Security	Par (000)		Value

Semiconductors (continued)
Applied Materials Inc.
4.35%, 04/01/47 (Call 10/01/46)	$	881	$	1,140,348
5.10%, 10/01/35 (Call 04/01/35)		435		598,526
5.85%, 06/15/41		955		1,395,461
Intel Corp.
3.10%, 02/15/60 (Call 08/15/59)		260		278,119
3.25%, 11/15/49 (Call 05/15/49)		1,965		2,185,365
3.73%, 12/08/47 (Call 06/08/47)^(b)		1,459		1,754,001
4.00%, 12/15/32		1,920		2,386,240
4.10%, 05/19/46 (Call 11/19/45)		1,125		1,416,319
4.10%, 05/11/47 (Call 11/11/46)		1,065		1,348,018
4.25%, 12/15/42^(b)		300		371,321
4.75%, 03/25/50 (Call 09/25/49)		1,600		2,253,978
4.80%, 10/01/41		460		615,037
4.90%, 07/29/45 (Call 01/29/45)		290		403,363
4.95%, 03/25/60 (Call 09/25/59)		750		1,069,649
KLA Corp.
3.30%, 03/01/50 (Call 08/28/49)^(b)		500		489,054
5.00%, 03/15/49 (Call 09/15/48)		411		519,393
5.65%, 11/01/34 (Call 07/01/34)		225		278,645
Lam Research Corp.
2.88%, 05/15/50 (Call 12/15/49)		250		249,342
3.13%, 06/15/60 (Call 12/15/59)		90		89,731
4.88%, 03/15/49 (Call 09/15/48)		565		769,218
NVIDIA Corp.
3.50%, 04/01/40 (Call 10/01/39)		865		972,261
3.50%, 04/01/50 (Call 10/01/49)		1,880		2,157,272
3.70%, 04/01/60 (Call 10/01/59)		580		678,627
QUALCOMM Inc.
4.30%, 05/20/47 (Call 11/20/46)		756		917,935
4.65%, 05/20/35 (Call 11/20/34)		1,053		1,342,465
4.80%, 05/20/45 (Call 11/20/44)		1,260		1,609,087
Texas Instruments Inc.
3.88%, 03/15/39 (Call 09/15/38)		200		240,949
4.15%, 05/15/48 (Call 11/15/47)^(b)		820		1,036,917

				29,611,897

Software — 3.3%
Activision Blizzard Inc., 4.50%, 06/15/47 (Call 12/15/46)		595		755,657
Fidelity National Information Services Inc., Series 30Y, 4.75%, 05/15/48 (Call 11/15/47)		65		84,843
Fiserv Inc., 4.40%, 07/01/49 (Call 01/01/49)		1,765		2,106,406
Microsoft Corp.
3.45%, 08/08/36 (Call 02/08/36)^(b)		610		710,758
3.50%, 02/12/35 (Call 08/12/34)		1,010		1,202,805
3.50%, 11/15/42		730		865,679
3.70%, 08/08/46 (Call 02/08/46)		2,735		3,363,392
3.75%, 05/01/43 (Call 11/01/42)		375		453,830
3.75%, 02/12/45 (Call 08/12/44)^(b)		1,480		1,813,025
3.95%, 08/08/56 (Call 02/08/56)^(b)		1,650		2,169,398
4.00%, 02/12/55 (Call 08/12/54)		1,650		2,170,227
4.10%, 02/06/37 (Call 08/06/36)		1,755		2,186,768
4.20%, 11/03/35 (Call 05/03/35)		745		948,991
4.25%, 02/06/47 (Call 08/06/46)		1,386		1,857,250
4.45%, 11/03/45 (Call 05/03/45)		2,279		3,097,665
4.50%, 10/01/40		1,340		1,777,404
4.50%, 02/06/57 (Call 08/06/56)		1,900		2,752,386
4.75%, 11/03/55 (Call 05/03/55)		630		932,225
4.88%, 12/15/43 (Call 06/15/43)^(b)		580		800,479
5.20%, 06/01/39		807		1,131,700
5.30%, 02/08/41^(b)		1,100		1,600,157


Security	Par (000)		Value

Software (continued)
Oracle Corp.
3.25%, 05/15/30 (Call 02/15/30)^(b)	$	950	$	1,056,413
3.60%, 04/01/40 (Call 10/01/39)		2,000		2,269,986
3.60%, 04/01/50 (Call 10/01/49)		3,000		3,407,787
3.80%, 11/15/37 (Call 05/15/37)		2,205		2,510,676
3.85%, 07/15/36 (Call 01/15/36)		1,185		1,365,980
3.85%, 04/01/60 (Call 10/01/59)		2,000		2,317,216
3.90%, 05/15/35 (Call 11/15/34)		1,615		1,897,752
4.00%, 07/15/46 (Call 01/15/46)		1,690		2,010,482
4.00%, 11/15/47 (Call 05/15/47)		2,025		2,414,570
4.13%, 05/15/45 (Call 11/15/44)		1,185		1,408,216
4.30%, 07/08/34 (Call 01/08/34)		1,698		2,080,443
4.38%, 05/15/55 (Call 11/15/54)		1,259		1,592,840
4.50%, 07/08/44 (Call 01/08/44)		570		712,840
5.38%, 07/15/40		1,315		1,791,607
6.13%, 07/08/39		1,165		1,718,982
6.50%, 04/15/38		866		1,306,441

				62,643,276

Telecommunications — 7.5%
America Movil SAB de CV
4.38%, 07/16/42^(b)		753		857,820
4.38%, 04/22/49 (Call 10/22/48)		1,250		1,448,000
6.13%, 11/15/37		125		165,246
6.13%, 03/30/40		1,526		2,075,055
6.38%, 03/01/35^(b)		400		561,828
AT&T Inc.
4.30%, 12/15/42 (Call 06/15/42)		1,235		1,342,870
4.35%, 06/15/45 (Call 12/15/44)		1,925		2,110,208
4.50%, 05/15/35 (Call 11/15/34)		2,345		2,625,259
4.50%, 03/09/48 (Call 09/09/47)		4,395		5,027,836
4.55%, 03/09/49 (Call 09/09/48)		1,695		1,945,130
4.65%, 06/01/44 (Call 12/01/43)		635		716,259
4.75%, 05/15/46 (Call 11/15/45)		2,185		2,527,164
4.80%, 06/15/44 (Call 12/15/43)		1,800		2,061,852
4.85%, 03/01/39 (Call 09/01/38)		1,881		2,175,418
4.85%, 07/15/45 (Call 01/15/45)		836		959,778
4.90%, 08/15/37 (Call 02/14/37)		1,155		1,337,345
4.90%, 06/15/42		475		547,210
5.15%, 03/15/42^(b)		1,115		1,334,895
5.15%, 11/15/46 (Call 05/15/46)		1,285		1,542,599
5.15%, 02/15/50 (Call 08/14/49)^(b)		1,754		2,161,512
5.25%, 03/01/37 (Call 09/01/36)		1,620		1,922,027
5.30%, 08/15/58 (Call 02/14/58)		1,015		1,280,484
5.35%, 09/01/40		1,605		1,932,686
5.35%, 12/15/43		225		275,306
5.38%, 10/15/41		440		511,206
5.45%, 03/01/47 (Call 09/01/46)		1,285		1,629,045
5.55%, 08/15/41		411		501,240
5.65%, 02/15/47 (Call 08/15/46)^(b)		1,110		1,425,010
5.70%, 03/01/57 (Call 09/01/56)		704		920,189
6.00%, 08/15/40 (Call 05/15/40)^(b)		1,155		1,518,191
6.10%, 07/15/40		100		130,700
6.15%, 09/15/34^(b)		50		67,547
6.20%, 03/15/40		100		131,979
6.25%, 03/29/41		250		322,845
6.30%, 01/15/38		100		129,972
6.35%, 03/15/40		986		1,288,723
6.38%, 03/01/41^(b)		1,089		1,464,598
6.45%, 06/15/34		25		30,144
6.55%, 02/15/39^(b)		350		484,199


Security	Par (000)		Value

Telecommunications (continued)
Bell Canada Inc.
4.30%, 07/29/49 (Call 01/29/49)	$	850	$	1,010,992
4.46%, 04/01/48 (Call 10/01/47)		874		1,090,032
British Telecommunications PLC
4.25%, 11/08/49 (Call 05/08/49)^(a)		605		664,299
9.63%, 12/15/30		2,007		3,083,796
Cisco Systems Inc.
5.50%, 01/15/40		905		1,304,685
5.90%, 02/15/39		1,915		2,845,444
Corning Inc.
3.90%, 11/15/49 (Call 05/15/49)		649		687,080
4.38%, 11/15/57 (Call 05/15/57)		380		413,348
4.70%, 03/15/37		165		189,721
4.75%, 03/15/42		535		625,439
5.35%, 11/15/48 (Call 05/15/48)		590		766,632
5.45%, 11/15/79 (Call 05/15/79)		800		890,788
5.75%, 08/15/40^(b)		250		323,428
5.85%, 11/15/68 (Call 05/15/68)		50		58,184
7.25%, 08/15/36 (Call 08/15/26)		100		121,583
Deutsche Telekom AG, 3.63%, 01/21/50 (Call 07/21/49)^(a)(b)		600		659,142
Deutsche Telekom International Finance BV
4.75%, 06/21/38 (Call 12/21/37)^(a)		650		786,577
4.88%, 03/06/42^(a)		345		423,922
8.75%, 06/15/30		2,460		3,637,957
9.25%, 06/01/32		564		873,806
Juniper Networks Inc., 5.95%, 03/15/41		290		336,724
Motorola Solutions Inc., 5.50%, 09/01/44		705		755,140
Ooredoo International Finance Ltd., 4.50%, 01/31/43^(a)(b)		520		586,560
Orange SA
5.38%, 01/13/42^(b)		580		788,180
5.50%, 02/06/44 (Call 08/06/43)		510		729,944
9.00%, 03/01/31		2,027		3,219,476
Rogers Communications Inc.
3.70%, 11/15/49 (Call 05/15/49)		815		875,599
4.30%, 02/15/48 (Call 08/15/47)		970		1,168,854
4.35%, 05/01/49 (Call 11/01/48)^(b)		338		406,852
4.50%, 03/15/43 (Call 09/15/42)		695		813,460
5.00%, 03/15/44 (Call 09/15/43)		480		625,373
5.45%, 10/01/43 (Call 04/01/43)		84		111,044
7.50%, 08/15/38		240		355,827
SES Global Americas Holdings GP, 5.30%, 03/25/44^(a)		935		861,764
Telefonica Emisiones SA
4.67%, 03/06/38		620		691,269
4.90%, 03/06/48		920		1,080,721
5.21%, 03/08/47		1,800		2,158,530
5.52%, 03/01/49 (Call 09/01/48)^(b)		505		628,415
7.05%, 06/20/36		1,685		2,362,950
Telefonica Europe BV, 8.25%, 09/15/30		1,730		2,465,352
TELUS Corp.
4.30%, 06/15/49 (Call 12/15/48)		765		919,635
4.60%, 11/16/48 (Call 05/16/48)		615		727,381
T-Mobile USA Inc.
4.38%, 04/15/40 (Call 10/15/39)^(a)		1,235		1,401,873
4.50%, 04/15/50 (Call 10/15/49)^(a)		2,550		2,984,520
Verizon Communications Inc.
3.85%, 11/01/42 (Call 05/01/42)		1,235		1,468,801
4.13%, 08/15/46		1,250		1,536,554
4.27%, 01/15/36		2,265		2,716,887
4.40%, 11/01/34 (Call 05/01/34)		2,035		2,465,305


Security	Par (000)		Value

Telecommunications (continued)
4.50%, 08/10/33	$	3,340	$	4,155,200
4.52%, 09/15/48^(b)		3,510		4,626,737
4.67%, 03/15/55		485		654,080
4.75%, 11/01/41^(b)		2,033		2,659,806
4.81%, 03/15/39^(b)		1,175		1,511,376
4.86%, 08/21/46		2,052		2,784,716
5.01%, 04/15/49		2,630		3,687,779
5.25%, 03/16/37		2,130		2,837,156
5.50%, 03/16/47		1,395		2,020,045
6.55%, 09/15/43		1,120		1,675,080
7.75%, 12/01/30^(b)		125		186,970
Vodafone Group PLC
4.25%, 09/17/50		1,330		1,446,858
4.38%, 02/19/43		1,300		1,464,832
4.88%, 06/19/49		1,095		1,309,090
5.00%, 05/30/38		430		511,156
5.13%, 06/19/59^(b)		90		113,431
5.25%, 05/30/48		2,179		2,724,003
6.15%, 02/27/37		1,998		2,591,989
6.25%, 11/30/32		620		832,131

				142,981,655

Toys, Games & Hobbies — 0.0%
Hasbro Inc.
5.10%, 05/15/44 (Call 11/15/43)		465		416,414
6.35%, 03/15/40		330		341,826

				758,240

Transportation — 3.5%
Burlington Northern Santa Fe LLC
3.90%, 08/01/46 (Call 02/01/46)		625		725,969
4.05%, 06/15/48 (Call 12/15/47)		535		643,294
4.13%, 06/15/47 (Call 12/15/46)		174		208,009
4.15%, 04/01/45 (Call 10/01/44)		790		952,530
4.15%, 12/15/48 (Call 06/15/48)		560		689,789
4.38%, 09/01/42 (Call 03/01/42)		525		639,917
4.40%, 03/15/42 (Call 09/15/41)		815		1,001,967
4.45%, 03/15/43 (Call 09/15/42)		656		806,916
4.55%, 09/01/44 (Call 03/01/44)		955		1,195,846
4.70%, 09/01/45 (Call 03/01/45)		360		463,035
4.90%, 04/01/44 (Call 10/01/43)		725		949,141
4.95%, 09/15/41 (Call 03/15/41)		434		551,729
5.05%, 03/01/41 (Call 09/01/40)		201		261,777
5.15%, 09/01/43 (Call 03/01/43)		655		876,645
5.40%, 06/01/41 (Call 12/01/40)		240		324,562
5.75%, 05/01/40 (Call 11/01/39)^(b)		815		1,134,484
6.15%, 05/01/37		475		657,440
6.20%, 08/15/36		200		278,274
7.95%, 08/15/30		83		122,827
Canadian National Railway Co.
2.45%, 05/01/50 (Call 11/01/49)		145		141,104
3.20%, 08/02/46 (Call 02/02/46)		300		336,451
3.65%, 02/03/48 (Call 08/03/47)		820		972,568
4.45%, 01/20/49 (Call 07/20/48)^(b)		520		702,858
4.50%, 11/07/43 (Call 05/07/43)		50		64,174
6.20%, 06/01/36		475		702,364
6.25%, 08/01/34		186		273,653
6.38%, 11/15/37		395		599,968
6.71%, 07/15/36		425		643,173
Canadian Pacific Railway Co.
4.80%, 09/15/35 (Call 03/15/35)		289		362,429


Security	Par (000)		Value

Transportation (continued)
4.80%, 08/01/45 (Call 02/01/45)	$	420	$	564,483
5.75%, 03/15/33^(b)		850		1,099,543
5.95%, 05/15/37^(b)		106		145,108
6.13%, 09/15/2115 (Call 03/15/2115)		878		1,329,301
7.13%, 10/15/31		230		334,715
CSX Corp.
2.40%, 02/15/30 (Call 11/15/29)^(b)		250		257,059
3.35%, 09/15/49 (Call 03/15/49)^(b)		650		694,545
3.80%, 11/01/46 (Call 05/01/46)		578		651,492
3.95%, 05/01/50 (Call 11/01/49)		210		247,399
4.10%, 03/15/44 (Call 09/15/43)		500		579,153
4.25%, 11/01/66 (Call 05/01/66)		631		723,431
4.30%, 03/01/48 (Call 09/01/47)		721		881,059
4.40%, 03/01/43 (Call 09/01/42)		425		497,891
4.50%, 03/15/49 (Call 09/15/48)		680		857,831
4.50%, 08/01/54 (Call 02/01/54)		200		246,593
4.65%, 03/01/68 (Call 09/01/67)		220		268,020
4.75%, 05/30/42 (Call 11/30/41)		636		795,156
4.75%, 11/15/48 (Call 05/15/48)		160		208,622
5.50%, 04/15/41 (Call 10/15/40)		400		531,823
6.00%, 10/01/36		724		972,363
6.15%, 05/01/37		533		731,066
6.22%, 04/30/40		595		839,869
Empresa de Transporte de Pasajeros Metro SA, 5.00%, 01/25/47 (Call 07/25/46)^(a)		400		422,000
FedEx Corp.
3.88%, 08/01/42		260		247,039
3.90%, 02/01/35		990		1,030,056
4.05%, 02/15/48 (Call 08/15/47)		710		699,860
4.10%, 04/15/43		177		174,068
4.10%, 02/01/45		608		588,491
4.40%, 01/15/47 (Call 07/15/46)		675		699,753
4.50%, 02/01/65		25		23,694
4.55%, 04/01/46 (Call 10/01/45)		729		779,960
4.75%, 11/15/45 (Call 05/15/45)		1,040		1,127,842
4.90%, 01/15/34^(b)		555		648,305
4.95%, 10/17/48 (Call 04/17/48)^(b)		481		542,271
5.10%, 01/15/44		475		538,790
5.25%, 05/15/50 (Call 11/15/49)		500		602,735
Kansas City Southern
4.20%, 11/15/69 (Call 05/15/69)		560		554,969
4.30%, 05/15/43 (Call 11/15/42)		165		182,126
4.95%, 08/15/45 (Call 02/15/45)		270		328,324
Norfolk Southern Corp.
3.05%, 05/15/50 (Call 11/15/49)		455		453,931
3.40%, 11/01/49 (Call 05/01/49)^(b)		865		926,535
3.94%, 11/01/47 (Call 05/01/47)^(b)		360		416,781
3.95%, 10/01/42 (Call 04/01/42)		170		193,622
4.05%, 08/15/52 (Call 02/15/52)		917		1,083,243
4.10%, 05/15/49 (Call 11/15/48)^(b)		395		474,399
4.15%, 02/28/48 (Call 08/28/47)		655		781,948
4.45%, 06/15/45 (Call 12/15/44)		360		442,422
4.65%, 01/15/46 (Call 07/15/45)		520		663,364
4.84%, 10/01/41		845		1,070,617
5.10%, 08/01/2118 (Call 02/01/2118)		385		488,974
Pelabuhan Indonesia II PT, 5.38%, 05/05/45^(a)(b)		400		399,500
Polar Tankers Inc., 5.95%, 05/10/37^(a)		30		35,786
TTX Co.
4.20%, 07/01/46 (Call 01/01/46)^(a)		250		301,349
4.60%, 02/01/49 (Call 08/01/48)^(a)		250		320,015


Security	Par (000)		Value

Transportation (continued)
Union Pacific Corp.
3.35%, 08/15/46 (Call 02/15/46)	$	270	$	284,870
3.38%, 02/01/35 (Call 08/01/34)		575		641,264
3.55%, 08/15/39 (Call 02/15/39)		1,310		1,417,409
3.60%, 09/15/37 (Call 03/15/37)		730		790,084
3.80%, 10/01/51 (Call 04/01/51)		400		453,904
3.84%, 03/20/60 (Call 09/20/59)^(a)(b)		1,221		1,356,545
3.88%, 02/01/55 (Call 08/01/54)		375		429,027
3.95%, 08/15/59 (Call 02/15/59)		25		28,356
4.00%, 04/15/47 (Call 10/15/46)^(b)		150		173,580
4.05%, 11/15/45 (Call 05/15/45)		500		575,611
4.05%, 03/01/46 (Call 09/01/45)		695		800,808
4.10%, 09/15/67 (Call 03/15/67)		570		650,855
4.15%, 01/15/45 (Call 07/15/44)		405		466,384
4.25%, 04/15/43 (Call 10/15/42)		331		389,798
4.30%, 06/15/42 (Call 12/15/41)		150		174,971
4.30%, 03/01/49 (Call 09/01/48)		778		942,564
4.38%, 09/10/38 (Call 03/10/38)		859		1,009,818
4.38%, 11/15/65 (Call 05/15/65)		981		1,160,325
4.50%, 09/10/48 (Call 03/10/48)		645		789,253
United Parcel Service Inc.
3.40%, 11/15/46 (Call 05/15/46)		180		190,529
3.40%, 09/01/49 (Call 03/01/49)		650		722,417
3.63%, 10/01/42		445		497,867
3.75%, 11/15/47 (Call 05/15/47)		605		708,714
4.25%, 03/15/49 (Call 09/15/48)^(b)		1,265		1,623,276
4.88%, 11/15/40 (Call 05/15/40)		430		556,327
5.30%, 04/01/50 (Call 10/01/49)		100		142,976
6.20%, 01/15/38^(b)		1,085		1,577,209
United Parcel Service of America Inc., 7.62%, 04/01/30^(e)		30		41,361

				66,578,286

Trucking & Leasing —0.0%
GATX Corp.
4.50%, 03/30/45 (Call 09/30/44)^(b)		150		159,952
5.20%, 03/15/44 (Call 09/15/43)		185		218,217

				378,169

Water — 0.2%
American Water Capital Corp.
3.75%, 09/01/47 (Call 03/01/47)		1,005		1,144,040
4.00%, 12/01/46 (Call 06/01/46)		195		234,167
4.15%, 06/01/49 (Call 12/01/48)		265		331,089


Security	Par/ Shares (000)		Value

Water (continued)
4.20%, 09/01/48 (Call 03/01/48)^(b)	$	629	$	794,407
4.30%, 12/01/42 (Call 06/01/42)^(b)		146		176,249
4.30%, 09/01/45 (Call 03/01/45)		445		545,730
6.59%, 10/15/37		395		580,458
Essential Utilities Inc., 4.28%, 05/01/49 (Call 11/01/48)		310		365,396
Veolia Environnement SA, 6.75%, 06/01/38		118		165,635

				4,337,171


Total Corporate Bonds & Notes — 98.1% (Cost: $1,783,588,012)				1,876,026,998


Short-Term Investments

Money Market Funds — 8.1%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.89%^(f)(g)(h)		123,017		123,152,564
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.18%^(f)(g)		30,587		30,587,000

				153,739,564


Total Short-Term Investments — 8.1% (Cost: $153,600,986)				153,739,564


Total Investments in Securities — 106.2% (Cost: $1,937,188,998)				2,029,766,562

Other Assets, Less Liabilities — (6.2)%				(117,716,104	)


Net Assets — 100.0%			$	1,912,050,458

^(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)	Security is issued at a fixed coupon rate, which converts to a variable rate at a specified date.

^(d)	Perpetual security with no stated maturity date.

^(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)	Affiliate of the Fund.

^(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.


Security	Par (000)		Value

Corporate Bonds & Notes

Advertising —0.0%
Interpublic Group of Companies Inc. (The), 5.40%, 10/01/48 (Call 04/01/48)	$	170	$	227,421


Aerospace & Defense — 1.9%
BAE Systems Holdings Inc., 4.75%, 10/07/44^(a)		465		592,487
BAE Systems PLC, 5.80%, 10/11/41^(a)		25		35,260
Boeing Co. (The)
3.25%, 02/01/35 (Call 11/01/34)		425		452,846
3.30%, 03/01/35 (Call 09/01/34)		25		25,984
3.38%, 06/15/46 (Call 12/15/45)		205		209,593
3.50%, 03/01/39 (Call 09/01/38)^(b)		495		526,151
3.50%, 03/01/45 (Call 09/01/44)		759		774,142
3.55%, 03/01/38 (Call 09/01/37)		280		310,257
3.60%, 05/01/34 (Call 02/01/34)		1,375		1,518,796
3.65%, 03/01/47 (Call 09/01/46)		225		239,336
3.75%, 02/01/50 (Call 08/01/49)^(b)		835		925,366
3.83%, 03/01/59 (Call 09/01/58)		550		594,794
3.85%, 11/01/48 (Call 05/01/48)		685		755,709
3.90%, 05/01/49 (Call 11/01/48)		450		497,187
3.95%, 08/01/59 (Call 02/01/59)		790		878,454
5.88%, 02/15/40		225		301,947
6.13%, 02/15/33		50		67,858
6.63%, 02/15/38		156		227,049
6.88%, 03/15/39		637		949,985
General Dynamics Corp., 3.60%, 11/15/42 (Call 05/14/42)		380		461,284
L3Harris Technologies Inc.
4.85%, 04/27/35 (Call 10/27/34)		550		682,873
5.05%, 04/27/45 (Call 10/27/44)		400		523,834
6.15%, 12/15/40		130		189,496
Lockheed Martin Corp.
3.60%, 03/01/35 (Call 09/01/34)^(b)		524		611,536
3.80%, 03/01/45 (Call 09/01/44)		1,051		1,249,626
4.07%, 12/15/42^(b)		805		993,769
4.09%, 09/15/52 (Call 03/15/52)		1,350		1,735,454
4.50%, 05/15/36 (Call 11/15/35)		735		931,940
4.70%, 05/15/46 (Call 11/15/45)		1,383		1,862,920
5.72%, 06/01/40		50		71,355
Series B, 6.15%, 09/01/36		175		253,692
Northrop Grumman Corp.
3.85%, 04/15/45 (Call 10/15/44)		625		711,052
4.03%, 10/15/47 (Call 04/15/47)		1,684		2,016,528
4.75%, 06/01/43		840		1,089,533
5.05%, 11/15/40		300		390,988
Northrop Grumman Systems Corp., 7.75%, 02/15/31		777		1,154,910
Raytheon Co.
4.20%, 12/15/44 (Call 06/15/44)		100		129,490
4.70%, 12/15/41		200		270,689
4.88%, 10/15/40		392		540,169
Rockwell Collins Inc.
4.35%, 04/15/47 (Call 10/15/46)		1,170		1,502,663
4.80%, 12/15/43 (Call 06/15/43)		380		499,675
United Technologies Corp.
3.75%, 11/01/46 (Call 05/01/46)		960		1,103,919
4.05%, 05/04/47 (Call 11/04/46)		335		411,001
4.15%, 05/15/45 (Call 11/16/44)		1,350		1,634,615
4.45%, 11/16/38 (Call 05/16/38)		749		937,720
4.50%, 06/01/42		1,680		2,155,478
4.63%, 11/16/48 (Call 05/16/48)		1,271		1,705,206
5.40%, 05/01/35		1,121		1,527,260


Security	Par (000)		Value

Aerospace & Defense (continued)
5.70%, 04/15/40	$	906	$	1,322,897
6.05%, 06/01/36		230		328,791
6.13%, 07/15/38		990		1,473,614

				40,357,178

Agriculture — 1.4%
Altria Group Inc.
3.88%, 09/16/46 (Call 03/16/46)		1,486		1,453,113
4.25%, 08/09/42		1,175		1,201,449
4.50%, 05/02/43		1,675		1,750,868
5.38%, 01/31/44		1,667		1,965,074
5.80%, 02/14/39 (Call 08/14/38)		585		717,652
5.95%, 02/14/49 (Call 08/14/48)^(b)		1,390		1,766,989
6.20%, 02/14/59 (Call 08/14/58)		430		562,649
Archer-Daniels-Midland Co.
3.75%, 09/15/47 (Call 03/15/47)		415		486,798
4.02%, 04/16/43		839		1,028,852
4.50%, 03/15/49 (Call 09/15/48)		905		1,226,670
4.54%, 03/26/42		1,063		1,362,239
5.38%, 09/15/35		55		74,837
BAT Capital Corp.
4.39%, 08/15/37 (Call 02/15/37)		2,150		2,277,605
4.54%, 08/15/47 (Call 02/15/47)		1,880		1,956,907
4.76%, 09/06/49 (Call 03/06/49)		305		329,370
Cargill Inc., 3.88%, 05/23/49 (Call 11/23/48)^(a)		780		977,708
Philip Morris International Inc.
3.88%, 08/21/42		509		556,881
4.13%, 03/04/43		421		478,051
4.25%, 11/10/44		730		844,629
4.38%, 11/15/41		842		974,336
4.50%, 03/20/42		420		493,817
4.88%, 11/15/43		530		662,072
6.38%, 05/16/38		1,295		1,869,307
Reynolds American Inc.
5.70%, 08/15/35 (Call 02/15/35)		1,248		1,487,211
5.85%, 08/15/45 (Call 02/12/45)		1,840		2,199,390
6.15%, 09/15/43		475		572,598
7.25%, 06/15/37		825		1,091,559

				30,368,631

Apparel — 0.1%
NIKE Inc.
3.38%, 11/01/46 (Call 05/01/46)		300		344,887
3.63%, 05/01/43 (Call 11/01/42)		520		592,512
3.88%, 11/01/45 (Call 05/01/45)		755		929,644

				1,867,043

Auto Manufacturers — 0.7%
Cummins Inc., 4.88%, 10/01/43 (Call 04/01/43)^(b)		375		497,390
Daimler Finance North America LLC, 8.50%, 01/18/31		1,851		2,857,720
Ford Holdings LLC, 9.30%, 03/01/30		271		356,921
Ford Motor Co.
4.75%, 01/15/43		1,900		1,634,230
5.29%, 12/08/46 (Call 06/08/46)^(b)		845		774,209
7.40%, 11/01/46^(b)		519		575,230
7.45%, 07/16/31		1,195		1,356,330
General Motors Co.
5.00%, 04/01/35		933		973,036
5.15%, 04/01/38 (Call 10/01/37)		638		650,497
5.20%, 04/01/45		965		963,125
5.40%, 04/01/48 (Call 10/01/47)		610		615,142
5.95%, 04/01/49 (Call 10/01/48)		889		969,678


Security	Par (000)		Value

Auto Manufacturers (continued)
6.25%, 10/02/43	$	852	$	959,005
6.60%, 04/01/36 (Call 10/01/35)		1,175		1,422,064
6.75%, 04/01/46 (Call 10/01/45)^(b)		580		680,086

				15,284,663

Auto Parts & Equipment — 0.1%
Aptiv PLC
4.40%, 10/01/46 (Call 04/01/46)		100		109,553
5.40%, 03/15/49 (Call 09/15/48)		406		491,034
BorgWarner Inc., 4.38%, 03/15/45 (Call 09/15/44)		295		324,417
Lear Corp., 5.25%, 05/15/49 (Call 11/15/48)^(b)		600		629,871

				1,554,875

Banks — 7.5%
Bank of America Corp.
3.95%, 01/23/49 (Call 01/23/48)^(c)		1,205		1,455,796
4.08%, 04/23/40 (Call 04/23/39)^(c)		1,325		1,550,553
4.24%, 04/24/38 (Call 04/24/37)^(c)		1,401		1,655,091
4.33%, 03/15/50 (Call 03/15/49)^(b)(c)		1,784		2,277,673
4.44%, 01/20/48 (Call 01/20/47)^(b)(c)		1,234		1,584,329
4.88%, 04/01/44		895		1,181,293
5.00%, 01/21/44		2,087		2,827,960
5.88%, 02/07/42		853		1,254,710
6.11%, 01/29/37		1,530		2,105,386
7.75%, 05/14/38		1,115		1,804,990
Series L, 4.75%, 04/21/45		593		764,681
Bank of America N.A., 6.00%, 10/15/36		2,000		2,806,577
Barclays PLC
4.95%, 01/10/47		1,660		2,070,729
5.25%, 08/17/45		1,190		1,511,728
BNP Paribas SA, 7.20%, (Call 06/25/37)^(a)(b)(c)(d)		545		604,950
Citigroup Inc.
3.88%, 01/24/39 (Call 01/22/38)^(c)		533		620,557
4.28%, 04/24/48 (Call 10/24/47)^(c)		1,263		1,571,339
4.65%, 07/30/45		1,200		1,567,743
4.65%, 07/23/48 (Call 06/23/48)		2,024		2,686,302
4.75%, 05/18/46		1,905		2,390,909
5.30%, 05/06/44		865		1,147,256
5.88%, 02/22/33		325		435,877
5.88%, 01/30/42		797		1,183,990
6.00%, 10/31/33		523		713,348
6.13%, 08/25/36		482		670,085
6.63%, 06/15/32		767		1,075,310
6.68%, 09/13/43		605		934,871
6.88%, 03/05/38		110		162,569
6.88%, 02/15/98^(b)		180		286,036
8.13%, 07/15/39		1,635		2,830,543
Commonwealth Bank of Australia
3.74%, 09/12/39^(a)(b)		495		533,981
3.90%, 07/12/47^(a)		829		985,775
4.32%, 01/10/48^(a)		1,105		1,277,667
Cooperatieve Rabobank UA
5.25%, 05/24/41		1,323		1,901,810
5.25%, 08/04/45		1,501		1,986,440
5.75%, 12/01/43		1,205		1,684,939
5.80%, 09/30/2110^(a)		100		174,470
Credit Suisse Group Funding Guernsey Ltd., 4.88%, 05/15/45		1,856		2,423,189
Fifth Third Bancorp., 8.25%, 03/01/38		941		1,568,682


Security	Par (000)		Value

Banks (continued)
First Republic Bank/CA
4.38%, 08/01/46 (Call 02/01/46)	$	350	$	434,090
4.63%, 02/13/47 (Call 08/13/46)		495		634,282
Goldman Sachs Group Inc. (The)
4.02%, 10/31/38 (Call 10/31/37)^(c)		1,610		1,827,397
4.41%, 04/23/39 (Call 04/23/38)^(c)		1,870		2,214,741
4.75%, 10/21/45 (Call 04/21/45)		1,584		2,023,522
4.80%, 07/08/44 (Call 01/08/44)		1,645		2,101,775
5.15%, 05/22/45		1,255		1,615,397
6.13%, 02/15/33		775		1,073,264
6.25%, 02/01/41		2,250		3,305,257
6.45%, 05/01/36		230		314,036
6.75%, 10/01/37		4,275		6,066,879
HSBC Bank USA N.A., 7.00%, 01/15/39		265		397,669
HSBC Holdings PLC
5.25%, 03/14/44		720		912,439
6.10%, 01/14/42		978		1,413,822
6.50%, 05/02/36		2,710		3,714,502
6.50%, 09/15/37		1,620		2,251,167
6.80%, 06/01/38		1,630		2,343,351
7.63%, 05/17/32		446		622,382
HSBC USA Inc., 7.20%, 07/15/97^(b)		60		99,757
JPMorgan Chase & Co.
3.88%, 07/24/38 (Call 07/24/37)^(c)		2,515		2,874,239
3.90%, 01/23/49 (Call 01/23/48)^(c)		1,605		1,911,620
3.96%, 11/15/48 (Call 11/15/47)^(c)		2,717		3,253,222
4.03%, 07/24/48 (Call 07/24/47)^(b)(c)		990		1,201,159
4.26%, 02/22/48 (Call 02/22/47)^(c)		1,180		1,496,167
4.85%, 02/01/44^(b)		645		857,555
4.95%, 06/01/45^(b)		1,140		1,519,830
5.40%, 01/06/42		1,180		1,641,591
5.50%, 10/15/40		1,040		1,442,390
5.60%, 07/15/41		2,425		3,434,443
5.63%, 08/16/43^(b)		968		1,361,742
6.40%, 05/15/38^(b)		1,865		2,767,428
8.75%, 09/01/30		50		77,175
Lloyds Banking Group PLC
4.34%, 01/09/48^(b)		1,435		1,624,494
5.30%, 12/01/45		685		884,181
Mitsubishi UFJ Financial Group Inc.
3.75%, 07/18/39		625		729,271
4.15%, 03/07/39		895		1,101,808
4.29%, 07/26/38		1,225		1,509,571
Morgan Stanley
3.97%, 07/22/38 (Call 07/22/37)^(c)		856		990,821
4.30%, 01/27/45		1,479		1,825,060
4.38%, 01/22/47		2,520		3,181,836
4.46%, 04/22/39 (Call 04/22/38)^(c)		635		779,059
6.38%, 07/24/42		1,564		2,412,694
7.25%, 04/01/32		1,183		1,756,600
Regions Bank/Birmingham AL, 6.45%, 06/26/37		460		648,836
Regions Financial Corp., 7.38%, 12/10/37		490		720,119
Santander UK Group Holdings PLC, 5.63%, 09/15/45^(a)		495		640,251
Societe Generale SA, 5.63%, 11/24/45^(a)		115		152,345
Standard Chartered PLC
5.30%, 01/09/43^(a)(b)		485		602,715
5.70%, 03/26/44^(a)		1,950		2,536,705
UBS AG/London, 4.50%, 06/26/48^(a)		870		1,161,488
Wachovia Corp.
5.50%, 08/01/35		1,142		1,514,580


Security	Par (000)		Value

Banks (continued)
6.55%, 10/15/35^(b)	$	260	$	364,055
7.50%, 04/15/35		125		186,739
Wells Fargo & Co.
3.90%, 05/01/45		1,887		2,235,621
4.40%, 06/14/46		1,286		1,524,080
4.65%, 11/04/44^(b)		1,501		1,831,856
4.75%, 12/07/46		1,485		1,873,011
4.90%, 11/17/45		1,840		2,334,738
5.38%, 02/07/35		385		523,424
5.38%, 11/02/43^(b)		1,365		1,797,140
5.61%, 01/15/44		2,010		2,733,823
Wells Fargo Bank N.A.
5.85%, 02/01/37		650		897,910
5.95%, 08/26/36		570		791,752
6.60%, 01/15/38		1,145		1,739,646
Wells Fargo Capital X, 5.95%, 12/01/86		668		871,789
Westpac Banking Corp., 4.42%, 07/24/39		1,112		1,299,640

				159,252,082

Beverages — 3.0%
Anheuser-Busch Companies LLC/Anheuser-Busch InBev Worldwide Inc.
4.70%, 02/01/36 (Call 08/01/35)		4,267		5,111,194
4.90%, 02/01/46 (Call 08/01/45)^(b)		7,355		9,067,597
Anheuser-Busch InBev Finance Inc.
4.00%, 01/17/43		958		1,057,467
4.63%, 02/01/44^(b)		1,277		1,533,472
4.70%, 02/01/36 (Call 08/01/35)^(b)		600		716,753
4.90%, 02/01/46 (Call 08/01/45)^(b)		1,399		1,711,431
Anheuser-Busch InBev Worldwide Inc.
3.75%, 07/15/42		735		789,573
4.38%, 04/15/38 (Call 10/15/37)		620		717,842
4.44%, 10/06/48 (Call 04/06/48)		1,375		1,606,292
4.60%, 04/15/48 (Call 10/15/47)		1,783		2,140,170
4.75%, 04/15/58 (Call 10/15/57)^(b)		1,075		1,304,606
4.90%, 01/23/31 (Call 10/23/30)^(b)		1,198		1,459,548
4.95%, 01/15/42		835		1,047,710
5.45%, 01/23/39 (Call 07/23/38)		1,395		1,822,072
5.55%, 01/23/49 (Call 07/23/48)^(b)		3,985		5,415,331
5.80%, 01/23/59 (Call 07/23/58)		1,560		2,216,171
8.00%, 11/15/39		325		527,815
8.20%, 01/15/39		807		1,333,146
Bacardi Ltd.
5.15%, 05/15/38 (Call 11/15/37)^(a)		300		363,115
5.30%, 05/15/48 (Call 11/15/47)^(a)(b)		475		612,487
Brown-Forman Corp.
4.00%, 04/15/38 (Call 10/15/37)		140		170,591
4.50%, 07/15/45 (Call 01/15/45)		213		289,932
Coca-Cola FEMSA SAB de CV, 5.25%, 11/26/43		306		418,072
Constellation Brands Inc.
4.10%, 02/15/48 (Call 08/15/47)		595		670,146
4.50%, 05/09/47 (Call 11/09/46)		550		655,152
5.25%, 11/15/48 (Call 05/15/48)		503		656,096
Diageo Capital PLC
3.88%, 04/29/43 (Call 10/29/42)		735		913,577
5.88%, 09/30/36^(b)		535		779,608
Diageo Investment Corp.
4.25%, 05/11/42		1,020		1,301,096
7.45%, 04/15/35		11		17,890


Security	Par (000)		Value

Beverages (continued)
Fomento Economico Mexicano SAB de CV
3.50%, 01/16/50 (Call 07/16/49)	$	1,000	$	1,048,400
4.38%, 05/10/43		330		398,372
Heineken NV
4.00%, 10/01/42^(a)		540		641,949
4.35%, 03/29/47 (Call 09/29/46)^(a)(b)		120		149,844
Keurig Dr Pepper Inc.
4.42%, 12/15/46 (Call 06/15/46)		525		613,622
4.50%, 11/15/45 (Call 08/15/45)^(b)		385		448,256
4.99%, 05/25/38 (Call 11/25/37)		770		942,294
5.09%, 05/25/48 (Call 11/25/47)		475		604,594
Molson Coors Beverage Co.
4.20%, 07/15/46 (Call 01/15/46)		1,577		1,636,525
5.00%, 05/01/42		800		906,096
PepsiCo Inc.
2.88%, 10/15/49 (Call 04/15/49)		1,050		1,110,358
3.38%, 07/29/49 (Call 01/29/49)		1,125		1,286,545
3.45%, 10/06/46 (Call 04/06/46)		1,525		1,743,587
3.60%, 08/13/42		405		471,313
4.00%, 03/05/42		492		588,018
4.00%, 05/02/47 (Call 11/02/46)^(b)		695		866,927
4.25%, 10/22/44 (Call 04/22/44)		671		840,417
4.45%, 04/14/46 (Call 10/14/45)^(b)		829		1,087,491
4.60%, 07/17/45 (Call 01/17/45)		460		605,448
Pernod Ricard SA, 5.50%, 01/15/42^(a)		250		339,897

				62,755,905

Biotechnology — 1.3%
Amgen Inc.
3.15%, 02/21/40 (Call 08/21/39)		1,700		1,737,050
3.38%, 02/21/50 (Call 08/21/49)		790		803,173
4.40%, 05/01/45 (Call 11/01/44)		2,080		2,409,224
4.56%, 06/15/48 (Call 12/15/47)		1,520		1,809,653
4.66%, 06/15/51 (Call 12/15/50)		3,170		3,924,930
4.95%, 10/01/41		341		433,269
5.15%, 11/15/41 (Call 05/15/41)		670		871,854
5.65%, 06/15/42 (Call 12/15/41)		140		188,036
5.75%, 03/15/40^(b)		220		294,602
6.38%, 06/01/37^(b)		315		451,053
6.40%, 02/01/39		125		179,407
6.90%, 06/01/38		75		111,019
Baxalta Inc., 5.25%, 06/23/45 (Call 12/23/44)^(b)		354		499,857
Biogen Inc., 5.20%, 09/15/45 (Call 03/15/45)		1,870		2,421,500
Gilead Sciences Inc.
4.00%, 09/01/36 (Call 03/01/36)		415		487,896
4.15%, 03/01/47 (Call 09/01/46)^(b)		1,645		1,985,194
4.50%, 02/01/45 (Call 08/01/44)		1,146		1,407,827
4.60%, 09/01/35 (Call 03/01/35)		1,085		1,354,972
4.75%, 03/01/46 (Call 09/01/45)		2,053		2,647,729
4.80%, 04/01/44 (Call 10/01/43)		1,495		1,919,627
5.65%, 12/01/41 (Call 06/01/41)		980		1,392,183

				27,330,055

Building Materials — 0.5%
Carrier Global Corp.
3.38%, 04/05/40 (Call 10/05/39)^(a)		1,000		1,027,921
3.58%, 04/05/50 (Call 10/05/49)^(a)		500		515,124
CRH America Finance Inc.
4.40%, 05/09/47 (Call 11/09/46)^(a)		100		119,619
4.50%, 04/04/48 (Call 10/04/47)^(a)		751		911,795


Security	Par (000)		Value

Building Materials (continued)
Johnson Controls International PLC
4.50%, 02/15/47 (Call 08/15/46)	$	488	$	604,352
4.63%, 07/02/44 (Call 01/02/44)		577		709,564
4.95%, 07/02/64 (Call 01/02/64)^(e)		515		619,829
5.13%, 09/14/45 (Call 03/14/45)		43		56,319
6.00%, 01/15/36		135		178,462
Martin Marietta Materials Inc., 4.25%, 12/15/47 (Call 06/15/47)		745		838,286
Masco Corp., 4.50%, 05/15/47 (Call 11/15/46)		545		620,099
Owens Corning
4.30%, 07/15/47 (Call 01/15/47)		377		419,235
4.40%, 01/30/48 (Call 07/30/47)		279		302,532
7.00%, 12/01/36		249		338,183
Votorantim Cimentos SA, 7.25%, 04/05/41^(a)		500		643,750
Vulcan Materials Co.
4.50%, 06/15/47 (Call 12/15/46)		815		959,968
4.70%, 03/01/48 (Call 09/01/47)		605		747,951

				9,612,989

Chemicals — 1.6%
Albemarle Corp., 5.45%, 12/01/44 (Call 06/01/44)		558		708,257
Braskem America Finance Co., 7.13%, 07/22/41 (Call 01/22/41)^(a)		200		231,250
Braskem Netherlands Finance BV, 5.88%, 01/31/50^(a)(b)		1,400		1,374,380
Dow Chemical Co. (The)
4.25%, 10/01/34 (Call 04/01/34)		1,859		2,071,946
4.38%, 11/15/42 (Call 05/15/42)		633		699,990
4.63%, 10/01/44 (Call 04/01/44)		390		455,741
4.80%, 05/15/49 (Call 11/15/48)		885		1,043,695
5.25%, 11/15/41 (Call 08/15/41)		419		510,044
5.55%, 11/30/48 (Call 05/30/48)^(b)		515		652,606
9.40%, 05/15/39		346		590,324
DuPont de Nemours Inc.
5.32%, 11/15/38 (Call 05/15/38)		805		981,794
5.42%, 11/15/48 (Call 05/15/48)		2,345		2,953,410
Eastman Chemical Co.
4.65%, 10/15/44 (Call 04/15/44)		889		1,037,741
4.80%, 09/01/42 (Call 03/01/42)		428		504,357
Ecolab Inc.
3.70%, 11/01/46 (Call 05/01/46)		175		201,896
3.95%, 12/01/47 (Call 06/01/47)^(b)		720		890,490
5.50%, 12/08/41		278		394,206
FMC Corp., 4.50%, 10/01/49 (Call 04/01/49)^(b)		490		595,352
International Flavors & Fragrances Inc.
4.38%, 06/01/47 (Call 12/01/46)		275		294,032
5.00%, 09/26/48 (Call 03/26/48)^(b)		345		405,979
Lubrizol Corp. (The), 6.50%, 10/01/34		350		529,589
LYB International Finance BV
4.88%, 03/15/44 (Call 09/15/43)		990		1,159,167
5.25%, 07/15/43		885		1,082,310
LYB International Finance III LLC, 4.20%, 10/15/49 (Call 04/15/49)		365		386,853
LyondellBasell Industries NV, 4.63%, 02/26/55 (Call 08/26/54)^(b)		973		1,087,316
Methanex Corp., 5.65%, 12/01/44 (Call 06/01/44)		450		471,291
Mosaic Co. (The)
4.88%, 11/15/41 (Call 05/15/41)		230		248,439
5.45%, 11/15/33 (Call 05/15/33)		393		457,237
5.63%, 11/15/43 (Call 05/15/43)		805		961,105
Nutrien Ltd.
4.13%, 03/15/35 (Call 09/15/34)		1,037		1,153,215


Security	Par (000)		Value

Chemicals (continued)
4.90%, 06/01/43 (Call 12/01/42)	$	745	$	863,478
5.00%, 04/01/49 (Call 10/01/48)		698		867,984
5.25%, 01/15/45 (Call 07/15/44)		229		287,174
5.63%, 12/01/40		390		500,395
5.88%, 12/01/36		241		311,173
6.13%, 01/15/41 (Call 07/15/40)		650		865,745
7.13%, 05/23/36		18		24,924
OCP SA, 6.88%, 04/25/44^(a)		200		263,437
Orbia Advance Corp. SAB de CV, 5.88%, 09/17/44^(a)		900		1,033,875
Praxair Inc., 3.55%, 11/07/42 (Call 05/07/42)		1,020		1,158,100
RPM International Inc., 4.25%, 01/15/48 (Call 07/15/47)		560		616,339
Sherwin-Williams Co. (The)
3.80%, 08/15/49 (Call 02/15/49)		435		476,013
4.00%, 12/15/42 (Call 06/15/42)		315		359,571
4.50%, 06/01/47 (Call 12/01/46)^(b)		490		594,839
4.55%, 08/01/45 (Call 02/01/45)		95		114,081
Syngenta Finance NV, 5.68%, 04/24/48 (Call 10/24/47)^(a)(b)		775		883,412
Westlake Chemical Corp.
4.38%, 11/15/47 (Call 05/15/47)		660		716,662
5.00%, 08/15/46 (Call 02/15/46)		780		921,447

				34,992,661

Commercial Services — 1.2%
American University (The), Series 2019, 3.67%, 04/01/49		500		590,201
California Institute of Technology
4.32%, 08/01/45		12		16,134
4.70%, 11/01/2111		145		212,618
Cleveland Clinic Foundation (The), 4.86%, 01/01/2114		200		296,596
DP World PLC
4.70%, 09/30/49 (Call 03/30/49)^(a)		500		490,000
5.63%, 09/25/48^(a)		1,500		1,681,406
6.85%, 07/02/37^(a)		850		1,071,000
Duke University, 3.30%, 10/01/46		25		28,701
Equifax Inc., 7.00%, 07/01/37		210		292,678
ERAC USA Finance LLC
4.20%, 11/01/46 (Call 05/01/46)^(a)(b)		50		56,805
5.63%, 03/15/42^(a)		65		88,116
7.00%, 10/15/37^(a)(b)		2,124		3,203,729
George Washington University (The)
4.87%, 09/15/45		16		22,615
Series 2018, 4.13%, 09/15/48 (Call 03/15/48)		998		1,278,570
Georgetown University (The)
Series 20A, 2.94%, 04/01/50		173		179,155
Series A, 5.22%, 10/01/2118 (Call 04/01/2118)		75		114,680
Global Payments Inc., 4.15%, 08/15/49 (Call 02/15/49)		805		924,479
Johns Hopkins University, Series 2013, 4.08%, 07/01/53		36		48,734
Leland Stanford Junior University (The), 3.65%, 05/01/48 (Call 11/01/47)		503		643,395
Massachusetts Institute of Technology
3.89%, 07/01/2116		100		134,123
3.96%, 07/01/38^(b)		59		72,932
4.68%, 07/01/2114		325		511,782
5.60%, 07/01/2111		600		1,100,629
Series F, 2.99%, 07/01/50 (Call 01/01/50)		1,920		2,138,843
Moody’s Corp.
4.88%, 12/17/48 (Call 06/17/48)		211		281,951
5.25%, 07/15/44		525		717,637
Northwestern University
4.64%, 12/01/44		355		492,325
Series 2017, 3.66%, 12/01/57 (Call 06/01/57)		55		70,615


Security	Par (000)		Value

Commercial Services (continued)
President and Fellows of Harvard College
3.15%, 07/15/46 (Call 01/15/46)	$	500	$	575,482
3.30%, 07/15/56 (Call 01/15/56)		385		462,819
3.62%, 10/01/37		46		54,462
4.88%, 10/15/40		200		283,959
Princeton University, 5.70%, 03/01/39		515		775,046
S&P Global Inc.
3.25%, 12/01/49 (Call 06/01/49)		575		648,176
4.50%, 05/15/48 (Call 11/15/47)		275		368,782
Trustees of Boston College, 3.13%, 07/01/52^(b)		530		602,070
Trustees of Boston University, Series CC, 4.06%, 10/01/48 (Call 04/01/48)		130		170,113
Trustees of Dartmouth College, 3.47%, 06/01/46^(b)		260		310,133
Trustees of the University of Pennsylvania (The), 3.61%, 02/15/2119 (Call 08/15/2118)		405		500,218
Tufts University, Series 2012, 5.02%, 04/15/2112		100		150,499
University of Notre Dame du Lac
Series 2015, 3.44%, 02/15/45		139		165,313
Series 2017, 3.39%, 02/15/48 (Call 08/15/47)		1,150		1,366,581
University of Southern California
2.81%, 10/01/50 (Call 04/01/50)		334		355,770
3.03%, 10/01/39		1,161		1,292,162
5.25%, 10/01/2111		250		422,984
Series 2017, 3.84%, 10/01/47 (Call 04/01/47)		100		128,632
Verisk Analytics Inc., 5.50%, 06/15/45 (Call 12/15/44)		186		249,764
Wesleyan University, 4.78%, 07/01/2116		125		175,356
William Marsh Rice University
3.57%, 05/15/45		331		393,279
3.77%, 05/15/55		125		159,631

				26,371,680

Computers — 1.8%
Apple Inc.
3.45%, 02/09/45		2,094		2,360,696
3.75%, 09/12/47 (Call 03/12/47)		1,780		2,101,691
3.75%, 11/13/47 (Call 05/13/47)		1,460		1,727,566
3.85%, 05/04/43		1,690		2,022,069
3.85%, 08/04/46 (Call 02/04/46)		2,045		2,439,832
4.25%, 02/09/47 (Call 08/09/46)^(b)		1,165		1,479,324
4.38%, 05/13/45		1,985		2,535,199
4.45%, 05/06/44		670		863,728
4.50%, 02/23/36 (Call 08/23/35)		1,280		1,629,958
4.65%, 02/23/46 (Call 08/23/45)^(b)		1,799		2,396,713
Dell International LLC/EMC Corp.
8.10%, 07/15/36 (Call 01/15/36)^(a)		1,626		2,231,391
8.35%, 07/15/46 (Call 01/15/46)^(a)		1,150		1,567,098
Hewlett Packard Enterprise Co.
6.20%, 10/15/35 (Call 04/15/35)		1,165		1,457,503
6.35%, 10/15/45 (Call 04/15/45)		910		1,137,782
HP Inc., 6.00%, 09/15/41		604		692,449
International Business Machines Corp.
4.00%, 06/20/42		1,540		1,828,932
4.15%, 05/15/39		3,050		3,687,296
4.25%, 05/15/49^(b)		1,680		2,094,962
4.70%, 02/19/46		845		1,114,216
5.60%, 11/30/39		615		872,315
5.88%, 11/29/32		356		492,824
7.13%, 12/01/96^(b)		95		164,441
Seagate HDD Cayman, 5.75%, 12/01/34 (Call 06/01/34)		805		842,342

				37,740,327


Security	Par (000)		Value

Cosmetics & Personal Care — 0.3%
Colgate-Palmolive Co.
3.70%, 08/01/47 (Call 02/01/47)	$	270	$	340,247
4.00%, 08/15/45		330		433,009
Estee Lauder Companies Inc. (The)
3.13%, 12/01/49 (Call 06/01/49)		920		986,850
3.70%, 08/15/42		50		56,900
4.15%, 03/15/47 (Call 09/15/46)		200		252,209
4.38%, 06/15/45 (Call 12/15/44)		535		681,470
6.00%, 05/15/37		255		368,746
Procter & Gamble Co. (The)
3.50%, 10/25/47		525		649,365
5.50%, 02/01/34		495		705,479
5.55%, 03/05/37		49		72,711
5.80%, 08/15/34^(b)		85		127,364
Unilever Capital Corp., 5.90%, 11/15/32		1,151		1,624,098

				6,298,448

Distribution & Wholesale — 0.1%
WW Grainger Inc.
3.75%, 05/15/46 (Call 11/15/45)		480		552,624
4.20%, 05/15/47 (Call 11/15/46)		465		560,984
4.60%, 06/15/45 (Call 12/15/44)		755		951,004

				2,064,612

Diversified Financial Services — 1.8%
Ally Financial Inc. 8.00%, 11/01/31		2,077		2,882,045
American Express Co., 4.05%, 12/03/42		925		1,168,697
Blackstone Holdings Finance Co. LLC
3.50%, 09/10/49 (Call 03/10/49)^(a)		800		882,997
4.00%, 10/02/47 (Call 04/02/47)^(a)(b)		340		402,872
4.45%, 07/15/45^(a)		400		496,010
5.00%, 06/15/44^(a)		61		79,817
Brookfield Finance Inc., 4.70%, 09/20/47 (Call 03/20/47)		979		1,210,173
Brookfield Finance LLC, 3.45%, 04/15/50 (Call 10/15/49)		500		497,447
Carlyle Holdings II Finance LLC, 5.63%, 03/30/43^(a)		245		310,461
CME Group Inc.
4.15%, 06/15/48 (Call 12/15/47)		770		998,868
5.30%, 09/15/43 (Call 03/15/43)		746		1,071,488
Credit Suisse USA Inc., 7.13%, 07/15/32		663		1,007,564
FMR LLC
5.15%, 02/01/43^(a)		500		687,403
6.50%, 12/14/40^(a)		500		775,943
GE Capital International Funding Co. Unlimited Co., 4.42%, 11/15/35		9,055		10,351,473
Invesco Finance PLC, 5.38%, 11/30/43		376		502,630
Jefferies Financial Group Inc., 6.63%, 10/23/43 (Call 07/23/43)		245		298,536
Jefferies Group LLC
6.25%, 01/15/36		430		528,202
6.50%, 01/20/43		620		769,301
KKR Group Finance Co. II LLC, 5.50%, 02/01/43 (Call 08/01/42)^(a)		550		723,479
Legg Mason Inc., 5.63%, 01/15/44		430		590,245
Mastercard Inc.
3.65%, 06/01/49 (Call 12/01/48)		868		1,029,315
3.80%, 11/21/46 (Call 05/21/46)		450		541,707
3.95%, 02/26/48 (Call 08/26/47)		745		923,663
Neuberger Berman Group LLC/Neuberger Berman Finance Corp., 4.88%, 04/15/45 (Call 10/15/44)^(a)		50		56,436
Raymond James Financial Inc., 4.95%, 07/15/46		885		1,132,635


Security	Par (000)		Value

Diversified Financial Services (continued)
Visa Inc.
3.65%, 09/15/47 (Call 03/15/47)	$	1,294	$	1,537,922
4.15%, 12/14/35 (Call 06/14/35)		1,914		2,374,023
4.30%, 12/14/45 (Call 06/14/45)		2,170		2,829,659
Western Union Co. (The)
6.20%, 11/17/36^(b)		260		319,224
6.20%, 06/21/40		340		405,456

				37,385,691

Electric — 12.3%
Abu Dhabi National Energy Co. PJSC
4.00%, 10/03/49^(a)		400		442,000
4.88%, 04/23/30^(a)		800		951,750
6.50%, 10/27/36^(a)(b)		1,000		1,406,875
Acwa Power Management And Investments One Ltd., 5.95%, 12/15/39^(a)		225		247,781
AEP Texas Inc.
3.80%, 10/01/47 (Call 04/01/47)		50		57,124
Series G, 4.15%, 05/01/49 (Call 11/01/48)^(b)		245		293,667
Series H, 3.45%, 01/15/50 (Call 07/15/49)		250		266,095
AEP Transmission Co. LLC
3.15%, 09/15/49 (Call 03/15/49)		50		52,903
3.75%, 12/01/47 (Call 06/01/47)		485		567,725
3.80%, 06/15/49 (Call 12/15/48)^(b)		315		371,476
4.00%, 12/01/46 (Call 06/01/46)		465		569,737
4.25%, 09/15/48 (Call 03/15/48)^(b)		320		401,478
Alabama Power Co.
3.45%, 10/01/49 (Call 04/01/49)		415		451,526
3.75%, 03/01/45 (Call 09/01/44)		575		643,868
3.85%, 12/01/42		220		254,833
4.10%, 01/15/42		85		98,275
4.15%, 08/15/44 (Call 02/15/44)		367		432,610
4.30%, 01/02/46 (Call 07/02/45)^(b)		425		504,675
5.70%, 02/15/33^(b)		50		68,893
6.00%, 03/01/39		395		568,218
6.13%, 05/15/38		310		447,633
Series A, 4.30%, 07/15/48 (Call 01/15/48)		185		229,334
Series B, 3.70%, 12/01/47 (Call 06/01/47)		485		541,602
Ameren Illinois Co.
3.25%, 03/15/50 (Call 09/15/49)		340		379,116
3.70%, 12/01/47 (Call 06/01/47)		480		568,413
4.15%, 03/15/46 (Call 09/15/45)		625		781,244
4.30%, 07/01/44 (Call 01/01/44)		200		248,727
4.50%, 03/15/49 (Call 09/15/48)		613		813,667
4.80%, 12/15/43 (Call 06/15/43)		250		334,355
American Transmission Systems Inc., 5.00%, 09/01/44 (Call 03/01/44)^(a)		325		433,621
Appalachian Power Co.
4.40%, 05/15/44 (Call 11/15/43)		491		603,568
4.45%, 06/01/45 (Call 12/01/44)		405		500,279
7.00%, 04/01/38		648		992,072
Series L, 5.80%, 10/01/35		212		286,195
Series P, 6.70%, 08/15/37		80		116,752
Series Y, 4.50%, 03/01/49 (Call 09/01/48)		305		385,790
Arizona Public Service Co.
3.50%, 12/01/49 (Call 06/01/49)^(b)		405		450,865
3.75%, 05/15/46 (Call 11/15/45)		620		724,830
4.20%, 08/15/48 (Call 02/15/48)		60		74,133
4.25%, 03/01/49 (Call 09/01/48)		610		773,825
4.35%, 11/15/45 (Call 05/15/45)		60		76,318
4.50%, 04/01/42 (Call 10/01/41)		501		634,537


Security	Par (000)		Value

Electric (continued)
5.05%, 09/01/41 (Call 03/01/41)	$	160	$	211,239
Avista Corp., 4.35%, 06/01/48 (Call 12/01/47)		300		385,441
Baltimore Gas & Electric Co.
3.20%, 09/15/49 (Call 03/15/49)^(b)		360		380,044
3.50%, 08/15/46 (Call 02/15/46)		645		707,240
3.75%, 08/15/47 (Call 02/15/47)		50		57,445
4.25%, 09/15/48 (Call 03/15/48)^(b)		200		247,355
Berkshire Hathaway Energy Co.
3.80%, 07/15/48 (Call 01/15/48)		872		1,000,296
4.45%, 01/15/49 (Call 07/15/48)		801		1,023,552
4.50%, 02/01/45 (Call 08/01/44)		685		847,612
5.15%, 11/15/43 (Call 05/15/43)		947		1,293,488
5.95%, 05/15/37		1,205		1,744,824
6.13%, 04/01/36		717		1,022,140
Black Hills Corp.
3.88%, 10/15/49 (Call 04/15/49)		370		414,930
4.20%, 09/15/46 (Call 03/15/46)		220		259,440
4.35%, 05/01/33 (Call 02/01/33)		595		716,903
Celeo Redes Operacion Chile SA, 5.20%, 06/22/47^(a)		195		210,936
CenterPoint Energy Houston Electric LLC
3.55%, 08/01/42 (Call 02/01/42)		845		961,020
3.95%, 03/01/48 (Call 09/01/47)		525		626,239
4.50%, 04/01/44 (Call 10/01/43)		315		407,956
Series AC, 4.25%, 02/01/49 (Call 08/01/48)^(b)		510		656,488
CenterPoint Energy Inc., 3.70%, 09/01/49 (Call 03/01/49)^(b)		325		356,496
Cleco Corporate Holdings LLC, 4.97%, 05/01/46 (Call 11/01/45)		520		634,848
Cleco Power LLC, 6.00%, 12/01/40		100		133,427
Cleveland Electric Illuminating Co. (The)
4.55%, 11/15/30 (Call 08/15/30)^(a)(b)		100		119,796
5.95%, 12/15/36		430		586,170
CMS Energy Corp.
4.70%, 03/31/43 (Call 09/30/42)		1,005		1,243,338
4.88%, 03/01/44 (Call 09/01/43)		546		705,006
Cometa Energia SA de CV, 6.38%, 04/24/35 (Call 01/24/35)^(a)		388		446,346
Comision Federal de Electricidad
5.75%, 02/14/42^(a)		800		939,500
6.13%, 06/16/45^(a)		400		494,375
Commonwealth Edison Co.
3.65%, 06/15/46 (Call 12/15/45)		420		479,846
3.70%, 03/01/45 (Call 09/01/44)		275		314,030
3.80%, 10/01/42 (Call 04/01/42)		350		405,564
4.00%, 03/01/48 (Call 09/01/47)		695		841,016
4.00%, 03/01/49 (Call 09/01/48)		585		698,519
4.35%, 11/15/45 (Call 05/15/45)		350		436,490
4.60%, 08/15/43 (Call 02/15/43)		150		189,438
4.70%, 01/15/44 (Call 04/15/43)		575		738,180
6.45%, 01/15/38		105		157,962
Series 123, 3.75%, 08/15/47 (Call 02/15/47)		400		463,951
Series 127, 3.20%, 11/15/49 (Call 05/15/49)^(b)		155		164,445
Connecticut Light & Power Co. (The)
4.00%, 04/01/48 (Call 10/01/47)		900		1,136,134
4.30%, 04/15/44 (Call 10/15/43)		650		829,368
Consolidated Edison Co. of New York Inc.
3.70%, 11/15/59 (Call 05/15/59)		225		252,313
3.85%, 06/15/46 (Call 12/15/45)		550		626,886
3.95%, 03/01/43 (Call 09/01/42)		575		667,177
4.45%, 03/15/44 (Call 09/15/43)		939		1,184,045


Security	Par (000)		Value

Electric (continued)
4.50%, 12/01/45 (Call 06/01/45)	$	867	$	1,097,113
4.50%, 05/15/58 (Call 11/15/57)		385		488,690
4.63%, 12/01/54 (Call 06/01/54)		798		1,067,505
5.70%, 06/15/40		195		283,419
Series 05-A, 5.30%, 03/01/35		125		164,332
Series 06-A, 5.85%, 03/15/36		125		172,290
Series 06-B, 6.20%, 06/15/36		395		559,889
Series 06-E, 5.70%, 12/01/36^(b)		90		121,823
Series 07-A, 6.30%, 08/15/37		125		182,086
Series 08-B, 6.75%, 04/01/38		635		968,749
Series 09-C, 5.50%, 12/01/39		465		635,969
Series 12-A, 4.20%, 03/15/42		83		99,915
Series 2017, 3.88%, 06/15/47 (Call 12/15/46)		605		706,545
Series A, 4.13%, 05/15/49 (Call 11/15/48)		410		493,254
Series C, 4.00%, 11/15/57 (Call 05/15/57)		25		29,189
Series C, 4.30%, 12/01/56 (Call 06/01/56)		602		738,022
Series E, 4.65%, 12/01/48 (Call 06/01/48)		430		558,969
Consumers Energy Co.
3.10%, 08/15/50 (Call 02/15/50)^(b)		200		215,675
3.25%, 08/15/46 (Call 02/15/46)		450		505,815
3.75%, 02/15/50 (Call 08/15/49)		48		57,042
3.95%, 05/15/43 (Call 11/15/42)		245		299,123
3.95%, 07/15/47 (Call 01/15/47)		310		382,677
4.05%, 05/15/48 (Call 11/15/47)		430		528,606
4.35%, 04/15/49 (Call 10/15/48)		500		662,491
Dayton Power & Light Co. (The), 3.95%, 06/15/49 (Call 12/15/48)^(a)		384		439,119
Delmarva Power & Light Co., 4.15%, 05/15/45 (Call 11/15/44)		250		302,535
Dominion Energy Inc.
4.70%, 12/01/44 (Call 06/01/44)		621		770,802
7.00%, 06/15/38		403		588,036
Series A, 4.60%, 03/15/49 (Call 09/15/48)		610		761,805
Series B, 5.95%, 06/15/35		490		661,395
Series C, 4.05%, 09/15/42 (Call 03/15/42)		475		533,319
Series C, 4.90%, 08/01/41 (Call 02/01/41)		642		794,658
Series E, 6.30%, 03/15/33		391		531,677
Series F, 5.25%, 08/01/33		520		653,546
Dominion Energy South Carolina Inc.
4.60%, 06/15/43 (Call 12/15/42)		501		640,011
5.10%, 06/01/65 (Call 12/01/64)		370		532,608
5.30%, 05/15/33^(b)		155		206,355
5.45%, 02/01/41 (Call 08/01/40)		380		520,212
6.05%, 01/15/38^(b)		313		452,766
6.63%, 02/01/32		375		540,321
DTE Electric Co.
2.95%, 03/01/50 (Call 09/01/49)		300		308,693
3.70%, 03/15/45 (Call 09/15/44)		350		401,280
3.70%, 06/01/46 (Call 12/01/45)		335		382,849
3.75%, 08/15/47 (Call 02/15/47)		175		203,977
3.95%, 06/15/42 (Call 12/15/41)		200		228,790
3.95%, 03/01/49 (Call 09/01/48)		895		1,089,288
4.30%, 07/01/44 (Call 01/01/44)		348		427,880
5.70%, 10/01/37		500		678,051
Series A, 4.00%, 04/01/43 (Call 10/01/42)		325		380,375
Series A, 4.05%, 05/15/48 (Call 11/15/47)^(b)		580		707,402
DTE Energy Co., 6.38%, 04/15/33		235		324,986
Duke Energy Carolinas LLC
3.20%, 08/15/49 (Call 02/15/49)		540		580,098
3.70%, 12/01/47 (Call 06/01/47)		340		389,188


Security	Par (000)		Value

Electric (continued)
3.75%, 06/01/45 (Call 12/01/44)	$	240	$	277,750
3.88%, 03/15/46 (Call 09/15/45)		390		459,263
3.95%, 03/15/48 (Call 09/15/47)		1,075		1,297,205
4.00%, 09/30/42 (Call 03/30/42)		325		387,632
4.25%, 12/15/41 (Call 06/15/41)		415		507,227
5.30%, 02/15/40		555		760,343
6.00%, 01/15/38		187		274,604
6.05%, 04/15/38		335		494,201
6.10%, 06/01/37		285		414,624
6.45%, 10/15/32		441		636,837
Duke Energy Corp.
3.75%, 09/01/46 (Call 03/01/46)		1,813		2,009,913
3.95%, 08/15/47 (Call 02/15/47)		450		508,786
4.20%, 06/15/49 (Call 12/15/48)^(b)		1,005		1,189,457
4.80%, 12/15/45 (Call 06/15/45)		716		900,860
Duke Energy Florida LLC
3.40%, 10/01/46 (Call 04/01/46)		495		534,305
3.85%, 11/15/42 (Call 05/15/42)^(b)		380		441,323
4.20%, 07/15/48 (Call 01/15/48)		90		112,098
5.65%, 04/01/40		150		215,235
6.35%, 09/15/37		525		789,455
6.40%, 06/15/38^(b)		345		520,350
Duke Energy Indiana LLC
3.75%, 05/15/46 (Call 12/15/45)		295		339,950
6.12%, 10/15/35		250		355,168
6.35%, 08/15/38		236		359,655
6.45%, 04/01/39		285		444,173
Series UUU, 4.20%, 03/15/42 (Call 09/15/41)		125		148,929
Series WWW, 4.90%, 07/15/43 (Call 01/15/43)		190		251,008
Series YYY, 3.25%, 10/01/49 (Call 04/01/49)		250		267,397
Duke Energy Ohio Inc.
3.70%, 06/15/46 (Call 12/15/45)		60		69,070
4.30%, 02/01/49 (Call 08/01/48)		835		1,041,546
Duke Energy Progress LLC
3.60%, 09/15/47 (Call 03/15/47)		470		529,206
3.70%, 10/15/46 (Call 04/15/46)		720		827,926
4.10%, 05/15/42 (Call 11/15/41)		410		500,381
4.10%, 03/15/43 (Call 09/15/42)		371		444,842
4.15%, 12/01/44 (Call 06/01/44)		444		538,049
4.20%, 08/15/45 (Call 02/15/45)		352		435,638
4.38%, 03/30/44 (Call 09/30/43)		150		188,109
6.30%, 04/01/38		175		264,339
E.ON International Finance BV, 6.65%, 04/30/38^(a)		539		792,196
El Paso Electric Co.
5.00%, 12/01/44 (Call 06/01/44)		300		375,608
6.00%, 05/15/35^(b)		400		533,238
Electricite de France SA
4.75%, 10/13/35 (Call 04/13/35)^(a)(b)		990		1,257,151
4.88%, 09/21/38 (Call 03/21/38)^(a)(b)		1,550		2,012,477
4.88%, 01/22/44^(a)		775		1,001,507
4.95%, 10/13/45 (Call 04/13/45)^(a)		1,220		1,562,039
5.00%, 09/21/48 (Call 03/21/48)^(a)		1,400		1,819,969
5.25%, 10/13/55 (Call 04/13/55)^(a)		290		404,589
5.60%, 01/27/40^(a)(b)		860		1,211,363
6.00%, 01/22/2114^(a)		375		487,763
6.95%, 01/26/39^(a)		155		245,923
Emera U.S. Finance LP, 4.75%, 06/15/46 (Call 12/15/45)		1,290		1,585,731
Emirates Semb Corp. Water & Power Co. PJSC, 4.45%, 08/01/35^(a)		250		275,000
Empresa de Transmision Electrica SA, 5.13%, 05/02/49^(a)		450		534,294


Security	Par (000)		Value

Electric (continued)
Enel Finance International NV
4.75%, 05/25/47^(a)	$	1,820	$	2,193,979
6.00%, 10/07/39^(a)(b)		665		883,095
Entergy Arkansas LLC
4.20%, 04/01/49 (Call 10/01/48)		245		300,570
4.95%, 12/15/44 (Call 12/15/24)		20		21,869
Entergy Louisiana LLC
3.05%, 06/01/31 (Call 03/01/31)		384		421,647
4.00%, 03/15/33 (Call 12/15/32)		595		719,502
4.20%, 09/01/48 (Call 03/01/48)		821		1,040,343
4.20%, 04/01/50 (Call 10/01/49)		645		803,821
4.95%, 01/15/45 (Call 01/15/25)		100		110,164
Entergy Mississippi LLC, 3.85%, 06/01/49 (Call 12/01/48)		615		730,736
Entergy Texas Inc., 3.55%, 09/30/49 (Call 03/30/49)		350		391,010
Evergy Kansas Central Inc.
3.25%, 09/01/49 (Call 03/01/49)		225		244,336
4.10%, 04/01/43 (Call 10/01/42)		218		268,340
4.13%, 03/01/42 (Call 09/01/41)^(b)		485		598,302
4.25%, 12/01/45 (Call 06/01/45)		480		609,702
4.63%, 09/01/43 (Call 03/01/43)		245		317,285
Evergy Metro Inc.
4.20%, 06/15/47 (Call 12/15/46)		355		448,632
4.20%, 03/15/48 (Call 09/15/47)		260		334,203
5.30%, 10/01/41 (Call 04/01/41)		314		431,791
Series 2019, 4.13%, 04/01/49 (Call 10/01/48)		350		437,267
Eversource Energy, 3.45%, 01/15/50 (Call 07/15/49)		150		162,093
Exelon Corp.
4.45%, 04/15/46 (Call 10/15/45)		601		727,362
4.95%, 06/15/35 (Call 12/15/34)		325		398,142
5.10%, 06/15/45 (Call 12/15/44)		761		984,011
5.63%, 06/15/35		742		976,269
7.60%, 04/01/32		180		264,297
Exelon Generation Co. LLC
5.60%, 06/15/42 (Call 12/15/41)		810		965,640
5.75%, 10/01/41 (Call 04/01/41)		360		426,307
6.25%, 10/01/39		813		1,015,693
FirstEnergy Corp.
Series C, 4.85%, 07/15/47 (Call 01/15/47)		1,020		1,255,625
Series C, 7.38%, 11/15/31^(b)		1,236		1,805,930
FirstEnergy Transmission LLC
4.55%, 04/01/49 (Call 10/01/48)^(a)		350		439,234
5.45%, 07/15/44 (Call 01/15/44)^(a)		600		821,331
Florida Power & Light Co.
3.15%, 10/01/49 (Call 04/01/49)^(b)		1,250		1,388,317
3.70%, 12/01/47 (Call 06/01/47)		585		679,363
3.80%, 12/15/42 (Call 06/15/42)^(b)		275		328,241
3.95%, 03/01/48 (Call 09/01/47)		485		599,475
3.99%, 03/01/49 (Call 09/01/48)		655		815,936
4.05%, 06/01/42 (Call 12/01/41)		360		445,428
4.05%, 10/01/44 (Call 04/01/44)^(b)		305		371,986
4.13%, 02/01/42 (Call 08/01/41)		470		577,968
4.13%, 06/01/48 (Call 12/01/47)		492		627,382
4.95%, 06/01/35		700		958,073
5.13%, 06/01/41 (Call 12/01/40)		50		66,893
5.25%, 02/01/41 (Call 08/01/40)		200		283,354
5.63%, 04/01/34		125		180,069
5.65%, 02/01/37		146		207,745
5.69%, 03/01/40		169		249,873
5.95%, 10/01/33		15		21,408
5.95%, 02/01/38^(b)		820		1,225,749


Security	Par (000)		Value

Electric (continued)
5.96%, 04/01/39	$	100	$	150,498
Georgia Power Co.
4.30%, 03/15/42		1,300		1,552,161
4.30%, 03/15/43^(b)		296		353,079
5.40%, 06/01/40		75		99,897
Series 10-C, 4.75%, 09/01/40		466		574,137
Iberdrola International BV, 6.75%, 07/15/36		230		344,227
Indiana Michigan Power Co.
4.25%, 08/15/48 (Call 02/15/48)		355		441,779
6.05%, 03/15/37		239		336,164
Series K, 4.55%, 03/15/46 (Call 09/15/45)		490		629,500
Series L, 3.75%, 07/01/47 (Call 01/01/47)		240		275,420
Indianapolis Power & Light Co.
4.05%, 05/01/46 (Call 11/01/45)^(a)		125		153,359
4.70%, 09/01/45 (Call 03/01/45)^(a)		50		65,134
Infraestructura Energetica Nova SAB de CV, 4.88%, 01/14/48^(a)		250		254,609
Interstate Power & Light Co.
3.50%, 09/30/49 (Call 03/30/49)		660		732,831
3.70%, 09/15/46 (Call 03/15/46)		435		490,384
4.70%, 10/15/43 (Call 04/15/43)^(b)		143		179,918
6.25%, 07/15/39		80		114,004
ITC Holdings Corp., 5.30%, 07/01/43 (Call 01/01/43)		278		376,144
Jersey Central Power & Light Co., 6.15%, 06/01/37		57		81,078
Kentucky Utilities Co.
4.38%, 10/01/45 (Call 04/01/45)		750		926,067
5.13%, 11/01/40 (Call 05/01/40)		606		809,312
Series 1, 4.65%, 11/15/43 (Call 05/15/43)		50		62,567
LLPL Capital Pte Ltd., 6.88%, 02/04/39^(a)		192		225,934
Louisville Gas & Electric Co., 4.25%, 04/01/49 (Call 10/01/48)		485		596,984
Massachusetts Electric Co., 5.90%, 11/15/39^(a)(b)		50		71,874
MidAmerican Energy Co.
3.15%, 04/15/50 (Call 10/15/49)		500		539,931
3.65%, 08/01/48 (Call 02/01/48)		530		635,086
3.95%, 08/01/47 (Call 02/01/47)		205		255,438
4.25%, 05/01/46 (Call 11/01/45)		236		297,966
4.25%, 07/15/49 (Call 01/15/49)		1,161		1,492,210
4.40%, 10/15/44 (Call 04/15/44)		950		1,224,705
4.80%, 09/15/43 (Call 03/15/43)		645		868,148
5.75%, 11/01/35		56		80,014
5.80%, 10/15/36		55		79,250
6.75%, 12/30/31^(b)		211		314,214
Minejesa Capital BV
4.63%, 08/10/30^(a)		1,500		1,564,762
5.63%, 08/10/37^(a)		500		552,969
Mississippi Power Co., Series 12-A, 4.25%, 03/15/42		425		492,832
Monongahela Power Co., 5.40%, 12/15/43 (Call 06/15/43)^(a)		680		932,743
Narragansett Electric Co. (The), 4.17%, 12/10/42^(a)(b)		50		59,110
National Grid USA, 5.80%, 04/01/35^(b)		680		876,360
National Rural Utilities Cooperative Finance Corp.
4.02%, 11/01/32 (Call 05/01/32)		305		375,742
4.30%, 03/15/49 (Call 09/15/48)		655		839,118
4.40%, 11/01/48 (Call 05/01/48)		200		256,599
Series C, 8.00%, 03/01/32		496		796,536
Nevada Power Co.
5.38%, 09/15/40 (Call 03/15/40)		305		400,405
5.45%, 05/15/41 (Call 11/15/40)		25		34,374
Series N, 6.65%, 04/01/36		300		447,477


Security	Par (000)		Value

Electric (continued)
Series R, 6.75%, 07/01/37	$	245	$	363,567
New England Power Co., 3.80%, 12/05/47 (Call 06/05/47)^(a)(b)		950		1,097,519
New York State Electric & Gas Corp., 3.30%, 09/15/49 (Call 03/15/49)^(a)(b)		165		170,821
Niagara Mohawk Power Corp., 4.28%, 10/01/34 (Call 04/01/34)^(a)		750		903,556
Northern States Power Co./MN
2.90%, 03/01/50 (Call 09/01/49)^(b)		900		924,497
3.40%, 08/15/42 (Call 02/15/42)		360		410,637
3.60%, 05/15/46 (Call 11/15/45)		75		89,377
4.00%, 08/15/45 (Call 02/15/45)		115		144,973
4.13%, 05/15/44 (Call 11/15/43)		232		289,743
4.85%, 08/15/40 (Call 02/15/40)		25		32,596
5.35%, 11/01/39		355		502,213
6.25%, 06/01/36		421		628,893
NorthWestern Corp., 4.18%, 11/15/44 (Call 05/15/44)		571		667,652
NSTAR Electric Co.
4.40%, 03/01/44 (Call 09/01/43)		175		224,268
5.50%, 03/15/40		346		484,323
Oglethorpe Power Corp.
4.20%, 12/01/42		450		469,617
4.25%, 04/01/46 (Call 10/01/45)		105		110,229
4.55%, 06/01/44		355		406,242
5.05%, 10/01/48 (Call 04/01/48)		200		258,857
5.25%, 09/01/50		255		323,023
5.38%, 11/01/40		345		451,155
5.95%, 11/01/39^(b)		465		592,932
Ohio Edison Co.
6.88%, 07/15/36		350		542,761
8.25%, 10/15/38		65		113,077
Ohio Power Co.
4.00%, 06/01/49 (Call 12/01/48)		275		336,489
4.15%, 04/01/48 (Call 10/01/47)^(b)		565		702,067
Series D, 6.60%, 03/01/33		190		280,009
Oklahoma Gas & Electric Co.
3.30%, 03/15/30 (Call 09/15/29)		630		695,703
3.85%, 08/15/47 (Call 02/15/47)		320		365,435
4.15%, 04/01/47 (Call 10/01/46)		405		483,604
5.85%, 06/01/40		45		61,448
Oncor Electric Delivery Co. LLC
3.10%, 09/15/49 (Call 03/15/49)^(b)		800		872,345
3.75%, 04/01/45 (Call 10/01/44)		639		766,968
3.80%, 09/30/47 (Call 03/30/47)		375		454,987
3.80%, 06/01/49 (Call 12/01/48)		490		598,334
4.10%, 11/15/48 (Call 05/15/48)		345		438,581
4.55%, 12/01/41 (Call 06/01/41)		410		537,641
5.25%, 09/30/40		305		431,685
5.30%, 06/01/42 (Call 12/01/41)		710		1,011,325
7.00%, 05/01/32		173		260,010
7.25%, 01/15/33		185		285,714
7.50%, 09/01/38		105		177,540
PacifiCorp
4.10%, 02/01/42 (Call 08/01/41)		280		340,805
4.13%, 01/15/49 (Call 07/15/48)		735		923,544
4.15%, 02/15/50 (Call 08/15/49)		700		870,665
5.75%, 04/01/37		265		375,624
6.00%, 01/15/39		650		954,796
6.10%, 08/01/36		780		1,135,977
6.25%, 10/15/37		135		202,684


Security	Par (000)		Value

Electric (continued)
6.35%, 07/15/38	$	180	$	273,069
PECO Energy Co.
3.00%, 09/15/49 (Call 03/15/49)		470		491,264
3.90%, 03/01/48 (Call 09/01/47)		540		644,029
4.15%, 10/01/44 (Call 04/01/44)		615		747,204
4.80%, 10/15/43 (Call 04/15/43)		500		643,462
5.95%, 10/01/36		111		156,268
Pennsylvania Electric Co., 6.15%, 10/01/38		75		105,320
Perusahaan Listrik Negara PT
4.88%, 07/17/49^(a)		1,415		1,569,843
6.15%, 05/21/48^(a)		1,425		1,848,937
6.25%, 01/25/49^(a)(b)		590		782,175
Potomac Electric Power Co.
4.15%, 03/15/43 (Call 09/15/42)		621		747,098
6.50%, 11/15/37		345		514,049
7.90%, 12/15/38		75		122,205
PPL Capital Funding Inc.
4.00%, 09/15/47 (Call 03/15/47)		735		825,918
4.70%, 06/01/43 (Call 12/01/42)		615		740,408
5.00%, 03/15/44 (Call 09/15/43)		425		525,886
PPL Electric Utilities Corp.
3.00%, 10/01/49 (Call 04/01/49)^(b)		530		549,431
3.95%, 06/01/47 (Call 12/01/46)		345		411,955
4.13%, 06/15/44 (Call 12/15/43)		185		220,135
4.15%, 06/15/48 (Call 12/15/47)^(b)		455		560,761
4.75%, 07/15/43 (Call 01/15/43)		195		251,847
5.20%, 07/15/41 (Call 01/15/41)		10		13,134
6.25%, 05/15/39		315		465,677
Progress Energy Inc.
6.00%, 12/01/39^(b)		540		771,426
7.00%, 10/30/31		310		451,230
7.75%, 03/01/31		349		516,850
PSEG Power LLC, 8.63%, 04/15/31		270		385,511
Public Service Co. of Colorado
3.55%, 06/15/46 (Call 12/15/45)		350		384,794
3.60%, 09/15/42 (Call 03/15/42)		250		292,944
3.80%, 06/15/47 (Call 12/15/46)		400		467,250
3.95%, 03/15/43 (Call 09/15/42)		125		147,222
4.05%, 09/15/49 (Call 03/15/49)		605		751,775
4.10%, 06/15/48 (Call 12/15/47)		350		441,246
4.30%, 03/15/44 (Call 09/15/43)		205		258,249
4.75%, 08/15/41 (Call 02/15/41)		5		6,443
6.50%, 08/01/38		235		365,498
Series 17, 6.25%, 09/01/37		390		601,370
Series 34, 3.20%, 03/01/50 (Call 09/01/49)		730		796,845
Public Service Co. of New Hampshire, 3.60%, 07/01/49 (Call 01/01/49)		840		980,099
Public Service Co. of Oklahoma, Series G, 6.63%, 11/15/37		50		74,822
Public Service Electric & Gas Co.
3.15%, 01/01/50 (Call 07/01/49)		500		547,303
3.20%, 08/01/49 (Call 02/01/49)		510		570,315
3.60%, 12/01/47 (Call 06/01/47)		705		831,495
3.65%, 09/01/42 (Call 03/01/42)		235		273,326
3.80%, 03/01/46 (Call 09/01/45)		763		913,557
3.85%, 05/01/49 (Call 11/01/48)		575		705,708
3.95%, 05/01/42 (Call 11/01/41)		560		674,793
4.05%, 05/01/48 (Call 11/01/47)		205		258,178
4.15%, 11/01/45 (Call 05/01/45)		75		94,356
5.50%, 03/01/40		100		143,145


Security	Par (000)		Value

Electric (continued)
5.80%, 05/01/37	$	260	$	368,493
Series K, 4.05%, 05/01/45 (Call 11/01/44)		60		72,560
Puget Sound Energy Inc.
3.25%, 09/15/49 (Call 03/15/49)		1,160		1,226,513
4.22%, 06/15/48 (Call 12/15/47)		25		30,765
4.30%, 05/20/45 (Call 11/20/44)		499		612,175
4.43%, 11/15/41 (Call 05/15/41)		695		820,319
5.64%, 04/15/41 (Call 10/15/40)		235		325,145
5.76%, 10/01/39		225		316,156
5.80%, 03/15/40		141		197,317
6.27%, 03/15/37		365		516,781
Ruwais Power Co. PJSC, 6.00%, 08/31/36^(a)		450		570,094
San Diego Gas & Electric Co.
3.95%, 11/15/41		190		211,208
4.15%, 05/15/48 (Call 11/15/47)		565		684,639
4.50%, 08/15/40		395		501,536
5.35%, 05/15/40		25		33,601
6.00%, 06/01/39^(b)		208		310,286
Series RRR, 3.75%, 06/01/47 (Call 12/01/46)^(b)		621		721,104
Series TTT, 4.10%, 06/15/49 (Call 12/15/48)		30		36,963
Saudi Electricity Global Sukuk Co. 3, 5.50%, 04/08/44^(a)		1,600		1,960,000
Sempra Energy
3.80%, 02/01/38 (Call 08/01/37)		2,206		2,470,383
4.00%, 02/01/48 (Call 08/01/47)		679		750,849
6.00%, 10/15/39		450		628,691
Southern California Edison Co.
3.65%, 02/01/50 (Call 08/01/49)		365		392,191
4.00%, 04/01/47 (Call 10/01/46)		681		778,224
4.05%, 03/15/42 (Call 09/15/41)		565		645,806
4.50%, 09/01/40 (Call 03/01/40)		443		535,767
4.65%, 10/01/43 (Call 04/01/43)		749		920,733
5.50%, 03/15/40		272		367,273
5.63%, 02/01/36		275		366,397
6.00%, 01/15/34^(b)		363		503,574
6.05%, 03/15/39		650		920,105
Series 04-G, 5.75%, 04/01/35		205		282,690
Series 05-B, 5.55%, 01/15/36		285		366,374
Series 05-E, 5.35%, 07/15/35		395		524,834
Series 06-E, 5.55%, 01/15/37		250		329,680
Series 08-A, 5.95%, 02/01/38		475		673,591
Series 13-A, 3.90%, 03/15/43 (Call 09/15/42)		410		449,812
Series B, 4.88%, 03/01/49 (Call 09/01/48)		799		1,040,204
Series C, 3.60%, 02/01/45 (Call 08/01/44)		630		661,782
Series C, 4.13%, 03/01/48 (Call 09/01/47)		973		1,112,557
Southern Co. (The)
4.25%, 07/01/36 (Call 01/01/36)		799		945,376
4.40%, 07/01/46 (Call 01/01/46)		1,605		1,876,818
Southern Power Co.
5.15%, 09/15/41		595		742,155
5.25%, 07/15/43^(b)		225		280,373
Series F, 4.95%, 12/15/46 (Call 06/15/46)		805		999,300
Southwestern Electric Power Co.
6.20%, 03/15/40		385		551,101
Series J, 3.90%, 04/01/45 (Call 10/01/44)		670		749,104
Series L, 3.85%, 02/01/48 (Call 08/01/47)		415		460,863
Southwestern Public Service Co.
3.40%, 08/15/46 (Call 02/15/46)		455		488,156
3.70%, 08/15/47 (Call 02/15/47)		385		440,520
3.75%, 06/15/49 (Call 12/15/48)		115		131,696
4.50%, 08/15/41 (Call 02/15/41)		280		358,441


Security	Par (000)		Value

Electric (continued)
6.00%, 10/01/36^(b)	$	395	$	526,002
Series 6, 4.40%, 11/15/48 (Call 05/15/48)		490		620,598
State Grid Overseas Investment 2014 Ltd., 4.85%, 05/07/44^(a)		700		956,882
State Grid Overseas Investment 2016 Ltd., 4.00%, 05/04/47^(a)(b)		615		773,362
Tampa Electric Co.
3.63%, 06/15/50 (Call 12/15/49)^(b)		375		441,876
4.10%, 06/15/42 (Call 12/15/41)		520		625,786
4.20%, 05/15/45 (Call 11/15/44)		350		425,277
4.35%, 05/15/44 (Call 11/15/43)		225		284,263
4.45%, 06/15/49 (Call 12/15/48)		295		386,551
6.55%, 05/15/36		30		43,272
Toledo Edison Co. (The), 6.15%, 05/15/37		650		966,995
Tri-State Generation & Transmission Association Inc.
4.25%, 06/01/46 (Call 12/01/45)		55		64,849
6.00%, 06/15/40^(a)		700		1,002,241
Tucson Electric Power Co., 4.85%, 12/01/48 (Call 06/01/48)		300		404,251
Union Electric Co.
3.25%, 10/01/49 (Call 04/01/49)		470		517,457
3.90%, 09/15/42 (Call 03/15/42)		410		497,948
4.00%, 04/01/48 (Call 10/01/47)		380		467,429
8.45%, 03/15/39^(b)		290		513,035
Virginia Electric & Power Co.
3.30%, 12/01/49 (Call 06/01/49)		75		80,663
4.00%, 01/15/43 (Call 07/15/42)^(b)		346		413,825
4.45%, 02/15/44 (Call 08/15/43)		575		719,999
4.60%, 12/01/48 (Call 06/01/48)		760		997,069
6.35%, 11/30/37		25		37,379
8.88%, 11/15/38		315		577,395
Series A, 6.00%, 05/15/37		110		158,780
Series B, 3.80%, 09/15/47 (Call 03/15/47)		450		524,415
Series B, 4.20%, 05/15/45 (Call 11/15/44)		7		8,443
Series B, 6.00%, 01/15/36		250		355,557
Series C, 4.00%, 11/15/46 (Call 05/15/46)		585		702,530
Series D, 4.65%, 08/15/43 (Call 02/15/43)^(b)		286		372,027
Wisconsin Electric Power Co.
4.30%, 10/15/48 (Call 04/15/48)^(b)		429		532,518
5.63%, 05/15/33		57		77,856
5.70%, 12/01/36		5		6,916
Wisconsin Power & Light Co., 6.38%, 08/15/37		380		560,669
Wisconsin Public Service Corp.
3.30%, 09/01/49 (Call 03/01/49)^(b)		1,045		1,138,236
4.75%, 11/01/44 (Call 05/01/44)		310		411,516
Xcel Energy Inc.
3.50%, 12/01/49 (Call 06/01/49)^(b)		510		558,026
4.80%, 09/15/41 (Call 03/15/41)		279		346,735
6.50%, 07/01/36		225		322,006

				261,607,431

Electrical Components & Equipment — 0.0%
Emerson Electric Co.
5.25%, 11/15/39		35		47,434
6.00%, 08/15/32		450		635,734

				683,168

Electronics — 0.1%
Fortive Corp., 4.30%, 06/15/46 (Call 12/15/45)		569		672,479
Honeywell International Inc.
3.81%, 11/21/47 (Call 05/21/47)		460		583,457


Security	Par (000)		Value

Electronics (continued)
5.70%, 03/15/36	$	75	$	108,841
5.70%, 03/15/37		65		95,732
Series 30, 5.38%, 03/01/41		27		39,933
Tyco Electronics Group SA, 7.13%, 10/01/37		200		320,198

				1,820,640

Engineering & Construction — 0.2%
Aeropuerto Internacional de Tocumen SA, 6.00%, 11/18/48 (Call 11/18/47)^(a)		850		1,079,500
Mexico City Airport Trust
5.50%, 10/31/46 (Call 04/30/46)^(a)		475		517,616
5.50%, 07/31/47 (Call 01/31/47)^(a)		1,839		1,993,591

				3,590,707

Environmental Control — 0.2%
Republic Services Inc.
3.05%, 03/01/50 (Call 09/01/49)		260		258,991
5.70%, 05/15/41 (Call 11/15/40)		140		198,387
Waste Management Inc.
3.90%, 03/01/35 (Call 09/01/34)		350		404,847
4.00%, 07/15/39 (Call 01/15/39)		390		468,967
4.10%, 03/01/45 (Call 09/01/44)		910		1,116,141
4.15%, 07/15/49 (Call 01/15/49)		1,258		1,568,522

				4,015,855

Food — 1.7%
Campbell Soup Co., 4.80%, 03/15/48 (Call 09/15/47)		760		927,124
Conagra Brands Inc.
5.30%, 11/01/38 (Call 05/01/38)^(b)		976		1,183,842
5.40%, 11/01/48 (Call 05/01/48)		1,020		1,289,576
8.25%, 09/15/30		545		788,573
General Mills Inc.
4.15%, 02/15/43 (Call 08/15/42)		30		34,077
4.55%, 04/17/38 (Call 10/17/37)^(b)		605		727,160
4.70%, 04/17/48 (Call 10/17/47)		435		543,710
5.40%, 06/15/40		425		563,251
Grupo Bimbo SAB de CV
4.00%, 09/06/49 (Call 03/06/49)^(a)(b)		1,000		1,031,675
4.70%, 11/10/47 (Call 05/10/47)^(a)		200		230,000
Hershey Co. (The)
3.13%, 11/15/49 (Call 05/15/49)		385		414,591
3.38%, 08/15/46 (Call 02/15/46)		200		226,496
Ingredion Inc., 6.63%, 04/15/37		200		281,176
JM Smucker Co. (The)
4.25%, 03/15/35		1,070		1,249,380
4.38%, 03/15/45^(b)		700		801,136
Kellogg Co.
4.50%, 04/01/46^(b)		390		463,566
Series B, 7.45%, 04/01/31		851		1,242,954
Koninklijke Ahold Delhaize NV, 5.70%, 10/01/40		480		649,817
Kroger Co. (The)
3.88%, 10/15/46 (Call 04/15/46)		625		665,165
3.95%, 01/15/50 (Call 07/15/49)		100		103,603
4.45%, 02/01/47 (Call 08/01/46)		840		951,009
4.65%, 01/15/48 (Call 07/15/47)		510		579,264
5.00%, 04/15/42 (Call 10/15/41)		375		449,403
5.15%, 08/01/43 (Call 02/01/43)		195		244,306
5.40%, 07/15/40 (Call 01/15/40)^(b)		295		370,441
5.40%, 01/15/49 (Call 07/15/48)		370		480,511
6.90%, 04/15/38		330		468,717
7.50%, 04/01/31		315		450,292


Security	Par (000)		Value

Food (continued)
Mars Inc.
3.20%, 04/01/30 (Call 01/01/30)^(a)	$	275	$	307,027
3.60%, 04/01/34 (Call 01/01/34)^(a)		455		539,321
3.88%, 04/01/39 (Call 10/01/38)^(a)		650		780,698
3.95%, 04/01/44 (Call 10/01/43)^(a)		825		988,522
3.95%, 04/01/49 (Call 10/01/48)^(a)		675		820,342
4.13%, 04/01/54 (Call 10/01/53)^(a)(b)		475		581,665
4.20%, 04/01/59 (Call 10/01/58)^(a)		675		890,388
McCormick & Co. Inc./MD, 4.20%, 08/15/47 (Call 02/15/47)		315		382,319
Mondelez International Inc., 4.63%, 05/07/48 (Call 11/07/47)		725		941,487
Nestle Holdings Inc.
3.90%, 09/24/38 (Call 03/24/38)^(a)		1,180		1,428,324
4.00%, 09/24/48 (Call 03/24/48)^(a)		1,904		2,405,891
Sysco Corp.
4.45%, 03/15/48 (Call 09/15/47)		792		962,097
4.50%, 04/01/46 (Call 10/01/45)		506		639,134
4.85%, 10/01/45 (Call 04/01/45)		625		804,583
5.38%, 09/21/35		325		444,171
Tesco PLC, 6.15%, 11/15/37^(a)(b)		730		945,685
Tyson Foods Inc.
4.55%, 06/02/47 (Call 12/02/46)^(b)		640		768,994
4.88%, 08/15/34 (Call 02/15/34)^(b)		520		642,086
5.10%, 09/28/48 (Call 03/28/48)		1,494		1,946,532
5.15%, 08/15/44 (Call 02/15/44)		360		459,037

				35,089,118

Forest Products & Paper — 0.5%
Celulosa Arauco y Constitucion SA
5.15%, 01/29/50 (Call 07/29/49)^(a)		50		51,250
5.50%, 11/02/47 (Call 05/02/47)		455		491,258
5.50%, 04/30/49 (Call 10/30/48)^(a)(b)		500		537,362
Domtar Corp.
6.25%, 09/01/42^(b)		175		208,733
6.75%, 02/15/44 (Call 08/15/43)^(b)		220		273,905
Georgia-Pacific LLC, 8.88%, 05/15/31		693		1,132,933
International Paper Co.
4.35%, 08/15/48 (Call 02/15/48)		990		1,124,992
4.40%, 08/15/47 (Call 02/15/47)		1,305		1,468,483
4.80%, 06/15/44 (Call 12/15/43)		576		661,478
5.00%, 09/15/35 (Call 03/15/35)		440		559,441
5.15%, 05/15/46 (Call 11/15/45)		610		746,558
6.00%, 11/15/41 (Call 05/15/41)		405		539,837
7.30%, 11/15/39		780		1,154,284
8.70%, 06/15/38		75		118,276
Stora Enso OYJ, 7.25%, 04/15/36^(a)		470		582,800
Suzano Austria GmbH, 7.00%, 03/16/47 (Call 09/16/46)^(a)		935		1,107,975

				10,759,565

Gas — 1.1%
Atmos Energy Corp.
3.38%, 09/15/49 (Call 03/15/49)^(b)		950		1,045,175
4.13%, 10/15/44 (Call 04/15/44)		565		671,978
4.13%, 03/15/49 (Call 09/15/48)		285		356,426
4.15%, 01/15/43 (Call 07/15/42)		340		397,817
4.30%, 10/01/48 (Call 04/01/48)^(b)		400		504,367
5.50%, 06/15/41 (Call 12/15/40)		305		414,263
Boston Gas Co., 4.49%, 02/15/42^(a)		35		43,430
Brooklyn Union Gas Co. (The)
4.27%, 03/15/48 (Call 09/15/47)^(a)		1,035		1,275,410


Security	Par (000)		Value

Gas (continued)
4.49%, 03/04/49 (Call 09/04/48)^(a)	$	1,300	$	1,652,742
4.50%, 03/10/46 (Call 09/10/45)^(a)(b)		25		31,391
CenterPoint Energy Resources Corp.
4.10%, 09/01/47 (Call 03/01/47)		365		428,141
5.85%, 01/15/41 (Call 07/15/40)		235		325,685
6.63%, 11/01/37		35		51,063
Centrica PLC, 5.38%, 10/16/43 (Call 04/16/43)^(a)		250		309,418
Dominion Energy Gas Holdings LLC
4.60%, 12/15/44 (Call 06/15/44)^(b)		500		592,117
4.80%, 11/01/43 (Call 05/01/43)		115		139,548
Series C, 3.90%, 11/15/49 (Call 08/15/49)		270		293,132
KeySpan Gas East Corp., 5.82%, 04/01/41^(a)		250		350,127
Korea Gas Corp., 6.25%, 01/20/42^(a)		640		1,041,600
Mega Advance Investments Ltd., 6.38%, 05/12/41^(a)		200		299,188
Nakilat Inc., 6.07%, 12/31/33^(a)(b)		650		788,734
NiSource Inc.
3.95%, 03/30/48 (Call 12/30/47)		435		491,630
4.38%, 05/15/47 (Call 11/15/46)		720		844,687
4.80%, 02/15/44 (Call 08/15/43)		803		974,022
5.25%, 02/15/43 (Call 08/15/42)		687		890,060
5.65%, 02/01/45 (Call 08/01/44)		561		764,847
5.80%, 02/01/42 (Call 08/01/41)		150		197,816
5.95%, 06/15/41 (Call 12/15/40)^(b)		560		772,116
ONE Gas Inc.
4.50%, 11/01/48 (Call 05/01/48)^(b)		355		442,893
4.66%, 02/01/44 (Call 08/01/43)		235		295,204
Piedmont Natural Gas Co. Inc.
3.64%, 11/01/46 (Call 05/01/46)		70		76,189
4.10%, 09/18/34 (Call 03/18/34)		100		119,737
4.65%, 08/01/43 (Call 02/01/43)		153		186,601
Southern California Gas Co.
3.75%, 09/15/42 (Call 03/15/42)		180		198,594
4.45%, 03/15/44 (Call 09/15/43)		470		565,065
5.13%, 11/15/40		80		102,972
Series UU, 4.13%, 06/01/48 (Call 12/01/47)		155		189,195
Series VV, 4.30%, 01/15/49 (Call 07/15/48)		510		653,383
Series WW, 3.95%, 02/15/50 (Call 08/15/49)^(b)		800		990,234
Southern Co. Gas Capital Corp.
3.95%, 10/01/46 (Call 04/01/46)		250		278,144
4.40%, 06/01/43 (Call 12/01/42)		341		399,603
4.40%, 05/30/47 (Call 11/30/46)		210		256,180
5.88%, 03/15/41 (Call 09/15/40)		767		1,077,826
6.00%, 10/01/34		400		549,151
Southwest Gas Corp.
3.80%, 09/29/46 (Call 03/29/46)		175		203,238
4.15%, 06/01/49 (Call 12/01/48)^(b)		285		340,374
Spire Inc., 4.70%, 08/15/44 (Call 02/15/44)		100		123,483
Washington Gas Light Co.
3.65%, 09/15/49 (Call 03/15/49)		511		563,168
Series K, 3.80%, 09/15/46 (Call 03/15/46)^(b)		210		232,380

				23,790,544

Hand & Machine Tools — 0.1%
Snap-on Inc., 4.10%, 03/01/48 (Call 09/01/47)		450		562,212
Stanley Black & Decker Inc.
4.85%, 11/15/48 (Call 05/15/48)		191		264,939
5.20%, 09/01/40		235		309,478

				1,136,629


Security	Par (000)		Value

Health Care – Products — 1.3%
Abbott Laboratories
4.75%, 11/30/36 (Call 05/30/36)	$	2,155	$	2,825,984
4.75%, 04/15/43 (Call 10/15/42)		973		1,293,589
4.90%, 11/30/46 (Call 05/30/46)		3,020		4,206,261
5.30%, 05/27/40^(b)		310		439,345
6.00%, 04/01/39		200		299,821
Alcon Finance Corp., 3.80%, 09/23/49 (Call 03/23/49)^(a)		400		446,439
Baxter International Inc., 3.50%, 08/15/46 (Call 02/15/46)		1,423		1,494,908
Boston Scientific Corp.
4.55%, 03/01/39 (Call 09/01/38)		1,275		1,576,126
4.70%, 03/01/49 (Call 09/01/48)		945		1,232,052
7.00%, 11/15/35		335		492,659
7.38%, 01/15/40		220		351,968
Danaher Corp., 4.38%, 09/15/45 (Call 03/15/45)		465		589,354
DH Europe Finance II Sarl
3.25%, 11/15/39 (Call 05/15/39)		300		325,919
3.40%, 11/15/49 (Call 05/15/49)^(b)		810		893,398
Koninklijke Philips NV, 5.00%, 03/15/42^(b)		1,080		1,453,427
Medtronic Inc.
4.38%, 03/15/35		2,040		2,596,723
4.63%, 03/15/45		1,871		2,532,034
Stryker Corp.
4.10%, 04/01/43 (Call 10/01/42)		475		559,246
4.38%, 05/15/44 (Call 12/15/43)		266		328,154
4.63%, 03/15/46 (Call 09/15/45)		1,035		1,339,082
Thermo Fisher Scientific Inc.
4.10%, 08/15/47 (Call 02/15/47)		881		1,104,404
5.30%, 02/01/44 (Call 08/01/43)		512		684,457
Zimmer Biomet Holdings Inc.
4.25%, 08/15/35 (Call 02/15/35)		465		505,021
4.45%, 08/15/45 (Call 07/15/45)		315		358,584
5.75%, 11/30/39		200		250,844

				28,179,799

Health Care – Services — 2.8%
Advocate Health & Hospitals Corp., 4.27%, 08/15/48 (Call 02/15/48)		750		972,286
Aetna Inc.
3.88%, 08/15/47 (Call 02/15/47)		465		491,536
4.13%, 11/15/42 (Call 05/15/42)		600		651,266
4.50%, 05/15/42 (Call 11/15/41)		520		586,298
4.75%, 03/15/44 (Call 09/15/43)		380		444,592
6.63%, 06/15/36		380		527,429
6.75%, 12/15/37		435		621,742
Allina Health System, Series 2019, 3.89%, 04/15/49		215		257,139
Anthem Inc.
3.70%, 09/15/49 (Call 03/15/49)^(b)		320		327,732
4.38%, 12/01/47 (Call 06/01/47)^(b)		895		1,022,623
4.55%, 03/01/48 (Call 09/01/47)		1,030		1,211,736
4.63%, 05/15/42		1,302		1,510,336
4.65%, 01/15/43		829		971,704
4.65%, 08/15/44 (Call 02/15/44)		620		724,481
4.85%, 08/15/54 (Call 02/15/54)		275		332,354
5.10%, 01/15/44^(b)		795		982,806
5.95%, 12/15/34		35		47,539
Ascension Health
3.95%, 11/15/46		1,278		1,585,440
4.85%, 11/15/53		166		237,600
Baylor Scott & White Holdings
3.97%, 11/15/46 (Call 05/15/46)		350		430,313
4.19%, 11/15/45 (Call 05/15/45)		201		250,796


Security	Par (000)		Value

Health Care – Services (continued)
CommonSpirit Health
3.82%, 10/01/49 (Call 04/01/49)^(b)	$	630	$	675,978
4.19%, 10/01/49 (Call 04/01/49)		797		871,786
4.35%, 11/01/42		695		784,242
Dartmouth-Hitchcock Health, Series B, 4.18%, 08/01/48 (Call 02/01/48)		230		289,099
Dignity Health
4.50%, 11/01/42		305		357,715
5.27%, 11/01/64		115		152,681
Duke University Health System Inc., Series 2017, 3.92%, 06/01/47 (Call 12/01/46)		330		417,711
Hackensack Meridian Health Inc., 4.21%, 07/01/48 (Call 01/01/48)		75		95,488
Hartford HealthCare Corp., 3.45%, 07/01/54		100		106,392
HCA Inc.
5.13%, 06/15/39 (Call 12/15/38)^(b)		1,362		1,583,370
5.25%, 06/15/49 (Call 12/15/48)		1,425		1,659,844
5.50%, 06/15/47 (Call 12/15/46)		1,360		1,614,075
Humana Inc.
3.95%, 08/15/49 (Call 02/15/49)		780		845,869
4.63%, 12/01/42 (Call 06/01/42)		685		804,533
4.80%, 03/15/47 (Call 09/14/46)^(b)		325		396,784
4.95%, 10/01/44 (Call 04/01/44)^(b)		285		351,092
8.15%, 06/15/38		100		154,756
Indiana University Health Inc. Obligated Group, 3.97%, 11/01/48 (Call 05/01/48)		100		124,946
Johns Hopkins Health System Corp. (The), 3.84%, 05/15/46		135		166,212
Kaiser Foundation Hospitals
4.15%, 05/01/47 (Call 11/01/46)		2,183		2,756,773
4.88%, 04/01/42		100		136,126
Laboratory Corp. of America Holdings, 4.70%, 02/01/45 (Call 08/01/44)		1,250		1,506,590
Mayo Clinic, Series 2013, 4.00%, 11/15/47		11		13,932
McLaren Health Care Corp., Series A, 4.39%, 05/15/48 (Call 11/15/47)		25		31,802
Memorial Sloan-Kettering Cancer Center
4.13%, 07/01/52		325		410,973
5.00%, 07/01/42		45		62,281
Series 2015, 4.20%, 07/01/55		465		601,183
Montefiore Obligated Group, Series 18-C, 5.24%, 11/01/48 (Call 05/01/48)		370		459,839
Mount Sinai Hospitals Group Inc., Series 2017, 3.98%, 07/01/48^(b)		205		240,275
New York and Presbyterian Hospital (The)
4.02%, 08/01/45		101		126,453
4.06%, 08/01/56		450		562,066
4.76%, 08/01/2116		55		75,737
Series 2019, 3.95%, 12/31/99 (Call 02/01/2119)		750		901,840
Northwell Healthcare Inc.
3.81%, 11/01/49 (Call 11/01/48)		110		123,382
3.98%, 11/01/46 (Call 11/01/45)		890		1,031,675
4.26%, 11/01/47 (Call 11/01/46)		710		843,260
Ochsner Clinic Foundation, 5.90%, 05/15/45 (Call 11/15/44)		75		110,059
Partners Healthcare System Inc., Series 2020, 3.19%, 07/01/49 (Call 01/01/49)		1,135		1,199,631
Providence St Joseph Health Obligated Group
Series A, 3.93%, 10/01/48 (Call 04/01/48)^(b)		115		140,494
Series I, 3.74%, 10/01/47		250		292,966


Security	Par (000)		Value

Health Care – Services (continued)
Quest Diagnostics Inc., 4.70%, 03/30/45 (Call 09/30/44)	$	527	$	640,053
Roche Holdings Inc., 4.00%, 11/28/44 (Call 05/28/44)^(a)(b)		261		336,545
Southern Baptist Hospital of Florida Inc., 4.86%, 07/15/45 (Call 01/15/45)		25		33,098
Spectrum Health System Obligated Group, Series 19A, 3.49%, 07/15/49 (Call 01/15/49)		100		114,103
Stanford Health Care, Series 2018, 3.80%, 11/15/48 (Call 05/15/48)		375		463,286
Sutter Health, Series 2018, 4.09%, 08/15/48 (Call 02/15/48)		395		497,661
Texas Health Resources, 4.33%, 11/15/55		9		11,879
Toledo Hospital (The)
4.98%, 11/15/45 (Call 05/15/45)^(b)		50		54,620
5.75%, 11/15/38 (Call 11/15/28)		165		200,555
6.02%, 11/15/48^(b)		530		686,547
UnitedHealth Group Inc.
3.50%, 08/15/39 (Call 02/15/39)		377		415,350
3.70%, 08/15/49 (Call 02/15/49)^(b)		1,145		1,277,075
3.75%, 10/15/47 (Call 04/15/47)		870		983,526
3.88%, 08/15/59 (Call 02/15/59)		1,325		1,508,984
3.95%, 10/15/42 (Call 04/15/42)		617		710,465
4.20%, 01/15/47 (Call 07/15/46)		493		590,993
4.25%, 03/15/43 (Call 09/15/42)		1,000		1,193,797
4.25%, 04/15/47 (Call 10/15/46)		430		519,803
4.25%, 06/15/48 (Call 12/15/47)		1,007		1,220,662
4.38%, 03/15/42 (Call 09/15/41)		350		423,411
4.45%, 12/15/48 (Call 06/15/48)		1,065		1,332,015
4.63%, 07/15/35		1,539		1,923,831
4.63%, 11/15/41 (Call 05/15/41)^(b)		405		504,810
4.75%, 07/15/45		1,000		1,283,274
5.70%, 10/15/40 (Call 04/15/40)		330		461,703
5.80%, 03/15/36		390		535,760
5.95%, 02/15/41 (Call 08/15/40)		400		575,478
6.50%, 06/15/37		415		613,188
6.63%, 11/15/37		486		728,634
6.88%, 02/15/38		980		1,498,553
Willis-Knighton Medical Center, Series 2018, 4.81%, 09/01/48 (Call 03/01/48)		135		180,687

				58,788,004

Holding Companies – Diversified — 0.1%
CK Hutchison International 19 II Ltd., 3.38%, 09/06/49 (Call 03/06/49)^(a)		1,000		1,122,500
Hutchison Whampoa International Ltd., 7.45%, 11/24/33^(a)(b)		275		430,289

				1,552,789

Home Furnishings — 0.1%
Whirlpool Corp.
4.50%, 06/01/46 (Call 12/01/45)		755		838,253
5.15%, 03/01/43		200		230,014

				1,068,267

Household Products & Wares — 0.2%
Kimberly-Clark Corp.
2.88%, 02/07/50 (Call 08/07/49)		400		411,795
3.20%, 07/30/46 (Call 01/30/46)^(b)		755		824,358
3.90%, 05/04/47 (Call 11/04/46)		310		379,256
5.30%, 03/01/41^(b)		31		42,972
6.63%, 08/01/37		330		506,395


Security	Par (000)		Value

Household Products & Wares (continued)
SC Johnson & Son Inc., 4.75%, 10/15/46 (Call 04/15/46)^(a)	$	1,025	$	1,358,672

				3,523,448

Insurance — 5.3%
ACE Capital Trust II, Series N, 9.70%, 04/01/30		100		150,000
Aflac Inc.
4.00%, 10/15/46 (Call 04/15/46)		395		475,623
4.75%, 01/15/49 (Call 07/15/48)		1,035		1,379,928
6.45%, 08/15/40^(b)		131		196,724
AIA Group Ltd., 4.50%, 03/16/46 (Call 09/16/45)^(a)		200		255,373
AIG SunAmerica Global Financing X, 6.90%, 03/15/32^(a)(b)		575		840,995
Alleghany Corp., 4.90%, 09/15/44 (Call 03/15/44)		140		180,678
Allstate Corp. (The)
3.85%, 08/10/49 (Call 02/10/49)^(b)		805		961,813
4.20%, 12/15/46 (Call 06/15/46)		620		794,032
4.50%, 06/15/43		335		437,010
5.35%, 06/01/33^(b)		388		527,484
5.55%, 05/09/35		376		523,925
5.95%, 04/01/36		150		219,307
6.50%, 05/15/67 (Call 05/15/37)^(c)		195		247,650
American Financial Group Inc./OH, 4.50%, 06/15/47 (Call 12/15/46)		425		525,761
American International Group Inc.
3.88%, 01/15/35 (Call 07/15/34)		1,496		1,708,383
4.38%, 01/15/55 (Call 07/15/54)		495		575,244
4.50%, 07/16/44 (Call 01/16/44)		1,041		1,275,712
4.70%, 07/10/35 (Call 01/10/35)		760		935,651
4.75%, 04/01/48 (Call 10/01/47)^(b)		1,095		1,402,672
4.80%, 07/10/45 (Call 01/10/45)		1,045		1,332,402
6.25%, 05/01/36		990		1,352,194
8.18%, 05/15/68 (Call 05/15/38)^(c)		170		232,050
Aon Corp., 6.25%, 09/30/40		600		892,457
Aon PLC
4.45%, 05/24/43 (Call 02/24/43)		505		608,915
4.60%, 06/14/44 (Call 03/14/44)^(b)		705		890,779
4.75%, 05/15/45 (Call 11/15/44)^(b)		441		580,074
Arch Capital Finance LLC, 5.03%, 12/15/46 (Call 06/15/46)		270		373,520
Arch Capital Group Ltd., 7.35%, 05/01/34^(b)		270		418,323
Arch Capital Group U.S. Inc., 5.14%, 11/01/43		470		653,183
Assurant Inc., 6.75%, 02/15/34		48		63,233
AXA SA, 8.60%, 12/15/30		2,015		2,979,681
AXIS Specialty Finance PLC, 5.15%, 04/01/45		510		630,438
Berkshire Hathaway Finance Corp.
4.20%, 08/15/48 (Call 02/15/48)		1,965		2,400,929
4.25%, 01/15/49 (Call 07/15/48)		1,243		1,546,989
4.30%, 05/15/43^(b)		373		461,018
4.40%, 05/15/42		715		891,051
5.75%, 01/15/40		445		643,993
Berkshire Hathaway Inc., 4.50%, 02/11/43		715		913,557
Brighthouse Financial Inc., 4.70%, 06/22/47 (Call 12/22/46)		1,174		1,186,395
Chubb Corp. (The), 6.00%, 05/11/37		210		317,469
Chubb INA Holdings Inc.
4.15%, 03/13/43		250		310,543
4.35%, 11/03/45 (Call 05/03/45)		860		1,112,073
Equitable Holdings Inc., 5.00%, 04/20/48 (Call 10/20/47)		1,140		1,291,384
Everest Reinsurance Holdings Inc., 4.87%, 06/01/44		450		560,754


Security	Par (000)		Value

Insurance (continued)
Farmers Exchange Capital II, 6.15%, 11/01/53 (Call 11/01/33)^(a)(c)	$	10	$	13,184
Farmers Exchange Capital III, 5.45%, 10/15/54 (Call 10/15/34)^(a)(c)		615		743,037
Farmers Insurance Exchange, 4.75%, 11/01/57 (Call 11/01/37)^(a)(c)		300		327,952
Great-West Lifeco Finance 2018 LP, 4.58%, 05/17/48 (Call 11/17/47)^(a)		1,000		1,306,670
Great-West Lifeco Finance Delaware LP, 4.15%, 06/03/47 (Call 12/03/46)^(a)		50		61,420
Guardian Life Insurance Co. of America (The)
3.70%, 01/22/70 (Call 07/22/69)^(a)		50		56,349
4.85%, 01/24/77^(a)		475		645,318
4.88%, 06/19/64^(a)		275		380,468
Harborwalk Funding Trust, 5.08%, 02/15/69 (Call 02/15/49)^(a)(c)		590		750,483
Hartford Financial Services Group Inc. (The)
3.60%, 08/19/49 (Call 02/19/49)^(b)		860		944,344
4.30%, 04/15/43		179		218,034
4.40%, 03/15/48 (Call 09/15/47)		415		517,653
5.95%, 10/15/36		216		303,622
6.10%, 10/01/41		520		764,642
6.63%, 03/30/40		520		779,681
Liberty Mutual Group Inc.
3.95%, 10/15/50 (Call 04/15/50)^(a)(b)		1,326		1,459,800
4.50%, 06/15/49 (Call 12/15/48)^(a)(b)		667		805,621
Liberty Mutual Insurance Co., 7.70%, 10/15/97^(a)(b)		85		144,610
Lincoln National Corp.
4.35%, 03/01/48 (Call 09/01/47)		860		1,012,357
6.30%, 10/09/37		116		164,031
7.00%, 06/15/40^(b)		625		978,841
Loews Corp.
4.13%, 05/15/43 (Call 11/15/42)		310		383,666
6.00%, 02/01/35		354		497,847
Manulife Financial Corp., 5.38%, 03/04/46		860		1,246,838
Markel Corp.
4.15%, 09/17/50 (Call 03/17/50)^(b)		685		783,769
4.30%, 11/01/47 (Call 05/01/47)		285		318,699
5.00%, 03/30/43		350		410,724
5.00%, 04/05/46		595		728,126
5.00%, 05/20/49 (Call 11/20/48)		325		408,868
Marsh & McLennan Companies Inc.
4.20%, 03/01/48 (Call 09/01/47)		385		461,456
4.35%, 01/30/47 (Call 07/30/46)		782		968,256
4.75%, 03/15/39 (Call 09/15/38)		170		221,590
4.90%, 03/15/49 (Call 09/15/48)		1,115		1,523,209
5.88%, 08/01/33		75		100,652
Massachusetts Mutual Life Insurance Co.
3.73%, 10/15/70^(a)(b)		931		997,220
4.90%, 04/01/77^(a)		190		268,829
MetLife Capital Trust IV, 7.88%, 12/15/37 (Call 12/15/32)^(a)		155		208,475
MetLife Inc.
4.05%, 03/01/45		1,666		1,996,381
4.13%, 08/13/42		766		915,323
4.60%, 05/13/46 (Call 12/13/45)		455		591,756
4.88%, 11/13/43		565		754,580
5.70%, 06/15/35		350		483,922
5.88%, 02/06/41		1,050		1,497,880
6.38%, 06/15/34		570		847,845


Security	Par (000)		Value

Insurance (continued)
6.40%, 12/15/66 (Call 12/15/31)	$	1,258	$	1,553,882
6.50%, 12/15/32		655		967,792
9.25%, 04/08/38 (Call 04/08/33)^(a)(b)		125		186,250
10.75%, 08/01/69 (Call 08/01/34)		176		293,040
Series N, 4.72%, 12/15/44		875		1,136,146
Mutual of Omaha Insurance Co., 6.80%, 06/15/36^(a)		75		105,351
Nationwide Financial Services Inc.
3.90%, 11/30/49 (Call 05/30/49)^(a)(b)		1,520		1,737,704
5.30%, 11/18/44^(a)		450		585,439
Nationwide Mutual Insurance Co.
4.95%, 04/22/44^(a)		750		979,128
8.25%, 12/01/31^(a)		200		307,451
9.38%, 08/15/39^(a)		435		788,274
New York Life Insurance Co.
4.45%, 05/15/69 (Call 11/15/68)^(a)		642		836,525
5.88%, 05/15/33^(a)(b)		980		1,385,691
6.75%, 11/15/39^(a)		1,160		1,833,587
Nippon Life Insurance Co., 3.40%, 01/23/50 (Call 01/23/30)^(a)(c)		700		721,000
Northwestern Mutual Life Insurance Co. (The)
3.63%, 09/30/59 (Call 03/30/59)^(a)		1,694		1,888,663
3.85%, 09/30/47 (Call 03/30/47)^(a)(b)		750		857,632
Ohio National Financial Services Inc., 6.63%, 05/01/31^(a)		150		164,584
Ohio National Life Insurance Co. (The), 6.88%, 06/15/42^(a)(b)		300		351,973
Pacific Life Insurance Co., 4.30%, 10/24/67 (Call 10/24/47)^(a)(c)		760		852,918
Principal Financial Group Inc.
4.30%, 11/15/46 (Call 05/15/46)^(b)		133		163,300
4.35%, 05/15/43		325		402,678
4.63%, 09/15/42		40		50,500
6.05%, 10/15/36		191		272,596
Progressive Corp. (The)
3.70%, 01/26/45		210		241,289
4.13%, 04/15/47 (Call 10/15/46)		673		840,464
4.20%, 03/15/48 (Call 09/15/47)		940		1,188,514
4.35%, 04/25/44		171		213,835
6.25%, 12/01/32		240		349,587
Prudential Financial Inc.
3.70%, 03/13/51 (Call 09/13/50)		75		79,765
3.91%, 12/07/47 (Call 06/07/47)		974		1,101,597
3.94%, 12/07/49 (Call 06/07/49)^(b)		1,438		1,612,102
4.35%, 02/25/50 (Call 08/25/49)		1,379		1,642,724
4.42%, 03/27/48 (Call 09/27/47)		550		663,726
4.60%, 05/15/44		480		604,429
5.70%, 12/14/36		780		1,116,810
6.63%, 06/21/40		150		228,665
Series B, 5.75%, 07/15/33		100		136,418
Series D, 6.63%, 12/01/37^(b)		65		98,657
Securian Financial Group Inc., 4.80%, 04/15/48^(a)(b)		315		428,819
Selective Insurance Group Inc., 5.38%, 03/01/49 (Call 09/01/48)		230		303,375
Sompo International Holdings Ltd., 7.00%, 07/15/34		400		578,753
Teachers Insurance & Annuity Association of America
4.27%, 05/15/47 (Call 11/15/46)^(a)(b)		2,635		3,244,229
4.90%, 09/15/44^(a)		826		1,089,602
6.85%, 12/16/39^(a)(b)		186		285,031
Transatlantic Holdings Inc., 8.00%, 11/30/39		275		457,755
Travelers Companies Inc. (The)
3.75%, 05/15/46 (Call 11/15/45)^(b)		530		621,530


Security	Par (000)		Value

Insurance (continued)
4.00%, 05/30/47 (Call 11/30/46)	$	457	$	566,447
4.05%, 03/07/48 (Call 09/07/47)		639		799,378
4.10%, 03/04/49 (Call 09/04/48)		715		919,066
4.30%, 08/25/45 (Call 02/25/45)		535		673,142
4.60%, 08/01/43		108		141,667
5.35%, 11/01/40		563		795,642
6.25%, 06/15/37		450		670,048
6.75%, 06/20/36		325		500,936
Travelers Property Casualty Corp., 6.38%, 03/15/33		400		599,847
Unum Group
4.50%, 12/15/49 (Call 06/15/49)		635		684,059
5.75%, 08/15/42		360		432,701
Voya Financial Inc.
4.80%, 06/15/46		100		129,036
5.70%, 07/15/43		660		934,883
Western & Southern Financial Group Inc., 5.75%, 07/15/33^(a)		200		269,402
Western & Southern Life Insurance Co. (The), 5.15%, 01/15/49 (Call 07/15/48)^(a)		150		200,381
Willis North America Inc.
3.88%, 09/15/49 (Call 03/15/49)^(b)		310		342,106
5.05%, 09/15/48 (Call 03/15/48)		805		1,037,791
WR Berkley Corp., 4.75%, 08/01/44		210		264,464
XLIT Ltd.
5.25%, 12/15/43		150		218,004
5.50%, 03/31/45^(b)		661		944,833

				111,925,010

Internet — 0.9%
Alibaba Group Holding Ltd.
4.00%, 12/06/37 (Call 06/06/37)		1,615		1,832,944
4.20%, 12/06/47 (Call 06/06/47)		1,285		1,547,622
4.40%, 12/06/57 (Call 06/06/57)		435		548,236
4.50%, 11/28/34 (Call 05/28/34)		625		766,406
Amazon.com Inc.
3.88%, 08/22/37 (Call 02/22/37)		2,490		2,995,434
4.05%, 08/22/47 (Call 02/22/47)^(b)		1,555		2,000,589
4.25%, 08/22/57 (Call 02/22/57)^(b)		1,942		2,607,691
4.80%, 12/05/34 (Call 06/05/34)		1,932		2,560,519
4.95%, 12/05/44 (Call 06/05/44)		1,475		2,078,275
eBay Inc., 4.00%, 07/15/42 (Call 01/15/42)		1,217		1,224,580
Tencent Holdings Ltd.
3.93%, 01/19/38 (Call 07/19/37)^(a)(b)		1,300		1,471,431
4.53%, 04/11/49 (Call 10/11/48)^(a)		200		259,000

				19,892,727

Iron & Steel — 0.4%
ArcelorMittal SA
6.75%, 03/01/41^(b)		560		730,512
7.00%, 10/15/39		646		815,281
Nucor Corp.
4.40%, 05/01/48 (Call 11/01/47)		385		465,170
5.20%, 08/01/43 (Call 02/01/43)		719		957,599
6.40%, 12/01/37^(b)		632		924,160
Vale Overseas Ltd.
6.88%, 11/21/36		1,105		1,455,606
6.88%, 11/10/39		1,320		1,750,031
8.25%, 01/17/34		50		69,813
Vale SA, 5.63%, 09/11/42		455		528,938

				7,697,110


Security	Par (000)		Value

Leisure Time — 0.0%
Harley-Davidson Inc., 4.63%, 07/28/45 (Call 01/28/45)	$	225	$	259,697


Lodging — 0.0%
Marriott International Inc./MD, 4.50%, 10/01/34 (Call 04/01/34)		780		925,877


Machinery — 0.6%
ABB Finance USA Inc., 4.38%, 05/08/42		537		703,670
Caterpillar Inc.
3.25%, 09/19/49 (Call 03/19/49)		955		1,031,647
3.80%, 08/15/42^(b)		1,223		1,457,054
4.30%, 05/15/44 (Call 11/15/43)		525		658,209
4.75%, 05/15/64 (Call 11/15/63)		780		1,065,997
5.20%, 05/27/41		620		869,758
5.30%, 09/15/35		86		116,765
6.05%, 08/15/36		186		269,748
Crane Co., 4.20%, 03/15/48 (Call 09/15/47)		70		76,466
Deere & Co.
2.88%, 09/07/49 (Call 03/07/49)		865		892,762
3.90%, 06/09/42 (Call 12/09/41)^(b)		1,003		1,229,535
7.13%, 03/03/31		188		276,860
Dover Corp.
5.38%, 10/15/35		140		187,948
5.38%, 03/01/41 (Call 12/01/40)		460		619,375
Otis Worldwide Corp.
3.11%, 02/15/40 (Call 08/15/39)^(a)		1,000		1,024,923
3.36%, 02/15/50 (Call 08/15/49)^(a)		1,245		1,282,614
Rockwell Automation Inc., 4.20%, 03/01/49 (Call 09/01/48)^(b)		876		1,131,933
Xylem Inc./NY, 4.38%, 11/01/46 (Call 05/01/46)		275		333,921

				13,229,185

Manufacturing — 1.4%
3M Co.
3.13%, 09/19/46 (Call 03/19/46)^(b)		450		457,495
3.25%, 08/26/49 (Call 02/26/49)^(b)		801		840,608
3.63%, 10/15/47 (Call 04/15/47)		341		378,290
3.88%, 06/15/44		150		171,957
4.00%, 09/14/48 (Call 03/14/48)^(b)		1,183		1,406,477
5.70%, 03/15/37		215		308,768
Eaton Corp.
4.00%, 11/02/32		1,125		1,364,709
4.15%, 11/02/42		1,110		1,383,773
General Electric Co.
4.13%, 10/09/42		307		329,101
4.50%, 03/11/44		525		613,161
5.88%, 01/14/38^(b)		2,583		3,358,996
6.15%, 08/07/37		1,829		2,402,002
6.88%, 01/10/39		1,450		2,020,610
Series A, 6.75%, 03/15/32		2,555		3,476,864
Illinois Tool Works Inc.
3.90%, 09/01/42 (Call 03/01/42)		1,292		1,630,728
4.88%, 09/15/41 (Call 03/15/41)		570		787,007
Ingersoll-Rand Global Holding Co. Ltd.
4.30%, 02/21/48 (Call 08/21/47)		125		149,106
5.75%, 06/15/43		680		968,119
Ingersoll-Rand Luxembourg Finance SA
4.50%, 03/21/49 (Call 09/21/48)		405		520,876
4.65%, 11/01/44 (Call 05/01/44)		165		205,271
Parker-Hannifin Corp.
4.00%, 06/14/49 (Call 12/14/48)^(b)		900		1,043,139


Security	Par (000)		Value

Manufacturing (continued)
4.10%, 03/01/47 (Call 09/01/46)	$	290	$	335,732
4.20%, 11/21/34 (Call 05/21/34)^(b)		362		434,819
4.45%, 11/21/44 (Call 05/21/44)		820		996,041
Series A, 6.25%, 05/15/38		455		647,735
Siemens Financieringsmaatschappij NV
3.30%, 09/15/46^(a)		1,220		1,357,084
4.20%, 03/16/47^(a)(b)		1,195		1,537,916
4.40%, 05/27/45^(a)		1,088		1,389,345

				30,515,729

Media — 5.0%
Charter Communications Operating LLC/Charter Communications Operating Capital
4.80%, 03/01/50 (Call 09/01/49)		1,105		1,194,018
5.13%, 07/01/49 (Call 01/01/49)		715		803,666
5.38%, 04/01/38 (Call 10/01/37)^(b)		1,144		1,327,287
5.38%, 05/01/47 (Call 11/01/46)		2,435		2,785,906
5.75%, 04/01/48 (Call 10/01/47)		2,587		3,080,541
6.38%, 10/23/35 (Call 04/23/35)		1,220		1,611,400
6.48%, 10/23/45 (Call 04/23/45)		2,540		3,264,304
6.83%, 10/23/55 (Call 04/23/55)		752		1,017,374
Comcast Corp.
3.20%, 07/15/36 (Call 01/15/36)^(b)		805		868,917
3.25%, 11/01/39 (Call 05/01/39)		2,950		3,187,969
3.40%, 07/15/46 (Call 01/15/46)		1,540		1,656,267
3.45%, 02/01/50 (Call 08/01/49)		1,285		1,418,546
3.90%, 03/01/38 (Call 09/01/37)		1,083		1,260,876
3.97%, 11/01/47 (Call 05/01/47)		1,950		2,294,093
4.00%, 08/15/47 (Call 02/15/47)		1,030		1,217,019
4.00%, 03/01/48 (Call 09/01/47)		893		1,058,610
4.00%, 11/01/49 (Call 05/01/49)^(b)		1,975		2,347,821
4.05%, 11/01/52 (Call 05/01/52)		1,145		1,363,991
4.20%, 08/15/34 (Call 02/15/34)		1,001		1,210,615
4.25%, 10/15/30 (Call 07/15/30)		2,330		2,774,299
4.25%, 01/15/33		1,505		1,810,357
4.40%, 08/15/35 (Call 02/25/35)		605		742,928
4.50%, 01/15/43		1,105		1,380,079
4.60%, 10/15/38 (Call 04/15/38)		2,215		2,766,785
4.60%, 08/15/45 (Call 02/15/45)		995		1,266,313
4.65%, 07/15/42		860		1,079,139
4.70%, 10/15/48 (Call 04/15/48)		3,595		4,726,441
4.75%, 03/01/44		1,100		1,420,345
4.95%, 10/15/58 (Call 04/15/58)		1,235		1,694,453
5.65%, 06/15/35		296		410,123
6.40%, 05/15/38^(b)		124		183,572
6.45%, 03/15/37		270		397,820
6.50%, 11/15/35		710		1,069,439
6.55%, 07/01/39		80		121,734
6.95%, 08/15/37		798		1,224,030
7.05%, 03/15/33^(b)		671		1,012,101
Cox Communications Inc.
4.50%, 06/30/43 (Call 12/30/42)^(a)		71		79,733
4.60%, 08/15/47 (Call 02/15/47)^(a)		1,530		1,829,363
4.70%, 12/15/42^(a)		275		318,722
8.38%, 03/01/39^(a)		800		1,298,789
Discovery Communications LLC
4.88%, 04/01/43		975		1,101,341
4.95%, 05/15/42		675		765,425
5.00%, 09/20/37 (Call 03/20/37)		1,240		1,422,996
5.20%, 09/20/47 (Call 03/20/47)		685		807,561
5.30%, 05/15/49 (Call 11/15/48)		662		801,385


Security	Par (000)		Value

Media (continued)
6.35%, 06/01/40	$	625	$	827,197
Fox Corp.
5.48%, 01/25/39 (Call 07/25/38)^(a)		1,483		1,900,473
5.58%, 01/25/49 (Call 07/25/48)^(a)		1,125		1,510,938
Grupo Televisa SAB
5.00%, 05/13/45 (Call 11/13/44)^(b)		1,060		1,240,200
5.25%, 05/24/49 (Call 11/24/48)^(b)		500		615,781
6.13%, 01/31/46 (Call 06/30/45)		200		269,188
6.63%, 01/15/40		429		588,668
NBCUniversal Media LLC
4.45%, 01/15/43		970		1,193,246
5.95%, 04/01/41		865		1,257,179
Thomson Reuters Corp.
5.50%, 08/15/35		150		184,215
5.65%, 11/23/43 (Call 05/23/43)		585		783,871
5.85%, 04/15/40		375		495,094
Time Warner Cable LLC
4.50%, 09/15/42 (Call 03/15/42)		770		800,971
5.50%, 09/01/41 (Call 03/01/41)		1,140		1,332,444
5.88%, 11/15/40 (Call 05/15/40)		1,425		1,703,019
6.55%, 05/01/37		1,207		1,571,480
6.75%, 06/15/39		720		932,600
7.30%, 07/01/38		801		1,097,247
Time Warner Entertainment Co. LP, 8.38%, 07/15/33		970		1,427,167
TWDC Enterprises 18 Corp.
3.00%, 07/30/46		375		398,213
3.70%, 12/01/42		507		588,419
4.13%, 06/01/44		775		973,334
4.38%, 08/16/41^(b)		400		501,323
Series B, 7.00%, 03/01/32		200		299,815
Series E, 4.13%, 12/01/41		250		305,794
ViacomCBS Inc.
4.38%, 03/15/43		1,175		1,261,830
4.60%, 01/15/45 (Call 07/15/44)		805		883,104
4.85%, 07/01/42 (Call 01/01/42)		365		413,603
4.90%, 08/15/44 (Call 02/15/44)		625		709,567
5.25%, 04/01/44 (Call 10/01/43)^(b)		485		570,787
5.50%, 05/15/33		360		451,627
5.85%, 09/01/43 (Call 03/01/43)		955		1,206,703
5.90%, 10/15/40 (Call 04/15/40)		215		272,813
6.88%, 04/30/36		785		1,073,909
7.88%, 07/30/30		415		599,739
Walt Disney Co. (The)
2.75%, 09/01/49 (Call 03/01/49)^(b)		1,150		1,165,370
4.75%, 09/15/44 (Call 03/15/44)		728		963,585
4.75%, 11/15/46 (Call 05/15/46)		45		60,840
4.95%, 10/15/45 (Call 04/15/45)		495		680,053
5.40%, 10/01/43		505		723,244
6.15%, 03/01/37		60		87,479
6.15%, 02/15/41		74		111,631
6.20%, 12/15/34		2,195		3,239,800
6.40%, 12/15/35		722		1,077,853
6.55%, 03/15/33		1,070		1,576,981
6.65%, 11/15/37		1,025		1,579,098

				106,981,985

Metal Fabricate & Hardware — 0.1%
Precision Castparts Corp.
3.90%, 01/15/43 (Call 07/15/42)		491		588,696
4.38%, 06/15/45 (Call 12/15/44)		506		649,368


Security	Par (000)		Value

Metal Fabricate & Hardware (continued)
Valmont Industries Inc.
5.00%, 10/01/44 (Call 04/01/44)^(b)	$	410	$	471,493
5.25%, 10/01/54 (Call 04/01/54)		571		647,117

				2,356,674

Mining — 1.6%
Barrick Gold Corp.
5.25%, 04/01/42		1,507		1,995,388
6.45%, 10/15/35		70		99,896
Barrick North America Finance LLC
5.70%, 05/30/41		516		700,512
5.75%, 05/01/43		1,074		1,514,917
7.50%, 09/15/38		222		336,367
Barrick PD Australia Finance Pty Ltd., 5.95%, 10/15/39		374		511,843
BHP Billiton Finance USA Ltd.
4.13%, 02/24/42		674		825,737
5.00%, 09/30/43^(b)		2,147		2,891,115
Corp. Nacional del Cobre de Chile
3.70%, 01/30/50 (Call 07/30/49)^(a)(b)		1,500		1,517,344
4.25%, 07/17/42^(a)		1,235		1,350,395
4.38%, 02/05/49 (Call 08/05/48)^(a)		1,575		1,781,227
4.50%, 08/01/47 (Call 02/01/47)^(a)		1,050		1,204,875
4.88%, 11/04/44^(a)		60		71,850
5.63%, 10/18/43^(a)		1,200		1,569,375
Glencore Canada Corp., 6.20%, 06/15/35		35		42,391
Glencore Finance Canada Ltd.
5.55%, 10/25/42^(a)(b)		225		256,122
6.00%, 11/15/41^(a)(b)		185		220,875
6.90%, 11/15/37^(a)		100		128,064
Indonesia Asahan Aluminium Persero PT, 6.76%, 11/15/48^(a)		800		1,052,600
Industrias Penoles SAB de CV, 5.65%, 09/12/49 (Call 03/12/49)^(a)		400		442,000
Kinross Gold Corp., 6.88%, 09/01/41 (Call 03/01/41)		40		49,524
Minera Mexico SA de CV, 4.50%, 01/26/50 (Call 07/26/49)^(a)		625		634,375
Newmont Corp.
4.88%, 03/15/42 (Call 09/15/41)		1,038		1,304,751
5.45%, 06/09/44 (Call 12/09/43)		504		675,950
5.88%, 04/01/35		250		352,382
6.25%, 10/01/39		893		1,272,825
Rio Tinto Alcan Inc.
5.75%, 06/01/35		136		186,969
6.13%, 12/15/33		586		848,468
7.25%, 03/15/31^(b)		791		1,166,272
Rio Tinto Finance USA Ltd., 5.20%, 11/02/40		465		644,693
Rio Tinto Finance USA PLC
4.13%, 08/21/42 (Call 02/21/42)		1,455		1,757,662
4.75%, 03/22/42 (Call 09/22/41)		415		549,583
Southern Copper Corp.
5.25%, 11/08/42		805		937,825
5.88%, 04/23/45^(b)		1,195		1,521,758
6.75%, 04/16/40		835		1,147,864
7.50%, 07/27/35		630		889,481
Teck Resources Ltd.
5.20%, 03/01/42 (Call 09/01/41)		445		443,458
5.40%, 02/01/43 (Call 08/01/42)		450		461,334
6.00%, 08/15/40 (Call 02/15/40)		415		469,917
6.13%, 10/01/35		410		487,670


Security	Par (000)		Value

Mining (continued)
6.25%, 07/15/41 (Call 01/15/41)^(b)	$	510	$	588,730

				34,904,384

Oil & Gas — 7.7%
Apache Corp.
4.25%, 01/15/44 (Call 07/15/43)		533		473,989
4.75%, 04/15/43 (Call 10/15/42)		1,197		1,130,486
5.10%, 09/01/40 (Call 03/01/40)		730		742,764
5.25%, 02/01/42 (Call 08/01/41)		455		469,623
5.35%, 07/01/49 (Call 01/01/49)^(b)		425		440,633
Burlington Resources LLC
5.95%, 10/15/36		385		535,314
7.20%, 08/15/31^(b)		450		650,168
7.40%, 12/01/31		345		498,464
Canadian Natural Resources Ltd.
4.95%, 06/01/47 (Call 12/01/46)		856		1,017,783
5.85%, 02/01/35		200		258,543
6.25%, 03/15/38		575		749,868
6.45%, 06/30/33		855		1,146,557
6.50%, 02/15/37		225		300,734
6.75%, 02/01/39		185		259,217
7.20%, 01/15/32		300		414,781
Cenovus Energy Inc.
5.25%, 06/15/37 (Call 12/15/36)		920		982,378
5.40%, 06/15/47 (Call 12/15/46)		932		1,021,685
6.75%, 11/15/39		898		1,110,952
CNOOC Finance 2012 Ltd., 5.00%, 05/02/42^(a)		250		334,453
CNOOC Finance 2013 Ltd.
3.30%, 09/30/49 (Call 03/30/49)^(b)		600		654,563
4.25%, 05/09/43		750		929,063
CNOOC Finance 2015 Australia Pty Ltd., 4.20%, 05/05/45		400		493,000
CNOOC Nexen Finance 2014 ULC, 4.88%, 04/30/44		965		1,286,828
CNPC HK Overseas Capital Ltd., 5.95%, 04/28/41^(a)		450		669,938
Concho Resources Inc.
4.85%, 08/15/48 (Call 02/15/48)		460		506,166
4.88%, 10/01/47 (Call 04/01/47)^(b)		1,165		1,372,446
Conoco Funding Co., 7.25%, 10/15/31		630		907,815
ConocoPhillips
5.90%, 10/15/32		617		828,897
5.90%, 05/15/38		310		429,580
6.50%, 02/01/39		2,348		3,476,774
ConocoPhillips Co.
4.30%, 11/15/44 (Call 05/15/44)		1,109		1,330,824
5.95%, 03/15/46 (Call 09/15/45)		450		668,212
Continental Resources Inc./OK, 4.90%, 06/01/44 (Call 12/01/43)^(b)		977		861,550
Devon Energy Corp.
4.75%, 05/15/42 (Call 11/15/41)		329		337,082
5.00%, 06/15/45 (Call 12/15/44)		612		657,817
5.60%, 07/15/41 (Call 01/15/41)		1,246		1,416,941
7.95%, 04/15/32		150		209,509
Ecopetrol SA
5.88%, 05/28/45^(b)		1,410		1,684,950
7.38%, 09/18/43		950		1,292,594
Empresa Nacional del Petroleo, 4.50%, 09/14/47 (Call 03/14/47)^(a)		750		773,789
EOG Resources Inc.
3.90%, 04/01/35 (Call 10/01/34)^(b)		800		936,263
5.10%, 01/15/36 (Call 07/15/35)		195		260,125
Equinor ASA
3.25%, 11/18/49 (Call 05/18/49)^(b)		900		959,276


Security	Par (000)		Value

Oil & Gas (continued)
3.95%, 05/15/43	$	609	$	708,285
4.25%, 11/23/41		700		850,770
4.80%, 11/08/43		738		974,945
5.10%, 08/17/40		707		943,827
Exxon Mobil Corp.
3.00%, 08/16/39 (Call 02/16/39)		700		730,790
3.10%, 08/16/49 (Call 02/16/49)		1,475		1,521,870
3.57%, 03/06/45 (Call 09/06/44)		1,239		1,374,296
4.11%, 03/01/46 (Call 09/01/45)^(b)		2,381		2,877,153
Gazprom PJSC Via Gaz Capital SA, 7.29%, 08/16/37^(a)		1,200		1,655,625
Hess Corp.
5.60%, 02/15/41		1,277		1,377,963
5.80%, 04/01/47 (Call 10/01/46)		495		547,818
6.00%, 01/15/40^(b)		665		742,653
7.13%, 03/15/33		300		380,608
7.30%, 08/15/31		770		985,826
Husky Energy Inc., 6.80%, 09/15/37		108		143,776
KazMunayGas National Co. JSC
5.38%, 04/24/30^(a)		900		1,046,813
6.38%, 10/24/48^(a)		1,150		1,518,180
Marathon Oil Corp.
5.20%, 06/01/45 (Call 12/01/44)^(b)		840		938,682
6.60%, 10/01/37^(b)		540		665,898
6.80%, 03/15/32		641		803,830
Marathon Petroleum Corp.
4.50%, 04/01/48 (Call 10/01/47)		458		522,232
4.75%, 09/15/44 (Call 03/15/44)		697		798,785
5.00%, 09/15/54 (Call 03/15/54)		568		634,713
5.85%, 12/15/45 (Call 06/15/45)^(b)		455		553,147
6.50%, 03/01/41 (Call 09/01/40)		820		1,105,669
Motiva Enterprises LLC, 6.85%, 01/15/40^(a)		475		609,094
Nexen Inc.
5.88%, 03/10/35		537		739,046
6.40%, 05/15/37		680		1,007,675
7.50%, 07/30/39		565		953,261
7.88%, 03/15/32		640		984,000
Noble Energy Inc.
4.20%, 10/15/49 (Call 04/15/49)		70		65,790
4.95%, 08/15/47 (Call 02/15/47)^(b)		280		294,664
5.05%, 11/15/44 (Call 05/15/44)		1,290		1,322,379
5.25%, 11/15/43 (Call 05/15/43)		660		697,862
6.00%, 03/01/41 (Call 09/01/40)		1,090		1,249,124
Occidental Petroleum Corp.
0.00%, 10/10/36 (Call 10/10/20)^(f)		200		98,508
4.10%, 02/15/47 (Call 08/15/46)		835		761,978
4.20%, 03/15/48 (Call 09/15/47)^(b)		800		746,026
4.30%, 08/15/39 (Call 02/15/39)		750		719,623
4.40%, 04/15/46 (Call 10/15/45)		863		782,613
4.40%, 08/15/49 (Call 02/15/49)^(b)		610		579,876
4.50%, 07/15/44 (Call 01/15/44)		915		874,454
4.63%, 06/15/45 (Call 12/15/44)		780		758,599
6.20%, 03/15/40		805		947,689
6.45%, 09/15/36		1,600		1,892,945
6.60%, 03/15/46 (Call 09/15/45)		715		868,681
7.50%, 05/01/31		770		975,392
7.88%, 09/15/31^(b)		349		455,329
7.95%, 06/15/39		200		269,087
Ovintiv Inc.
6.50%, 08/15/34		855		921,122
6.50%, 02/01/38		650		717,798


Security	Par (000)		Value

Oil & Gas (continued)
6.63%, 08/15/37	$	235	$	259,912
7.20%, 11/01/31		100		120,147
7.38%, 11/01/31		200		243,365
8.13%, 09/15/30		290		365,451
Pertamina Persero PT
4.18%, 01/21/50 (Call 07/21/49)^(a)		800		794,924
4.70%, 07/30/49^(a)		1,600		1,743,128
6.45%, 05/30/44^(a)		2,100		2,795,447
6.50%, 11/07/48^(a)(b)		1,080		1,471,840
Petroleos del Peru SA
4.75%, 06/19/32^(a)		1,135		1,271,377
5.63%, 06/19/47^(a)		700		846,125
Petroleos Mexicanos
5.50%, 06/27/44		1,307		1,148,216
5.63%, 01/23/46		1,825		1,595,871
5.95%, 01/28/31 (Call 07/28/30)^(a)		3,050		2,947,062
6.35%, 02/12/48		2,203		2,039,317
6.38%, 01/23/45^(b)		1,715		1,613,626
6.50%, 06/02/41		1,684		1,625,586
6.63%, 06/15/35		2,650		2,651,325
6.63%, 06/15/38		395		387,100
6.75%, 09/21/47		4,595		4,400,115
6.95%, 01/28/60 (Call 07/28/59)^(a)		2,225		2,136,000
7.69%, 01/23/50 (Call 07/23/49)^(a)		6,285		6,535,520
Petronas Capital Ltd., 4.50%, 03/18/45^(a)(b)		1,150		1,467,107
Phillips 66
4.65%, 11/15/34 (Call 05/15/34)		641		771,729
4.88%, 11/15/44 (Call 05/15/44)		1,640		1,972,137
5.88%, 05/01/42		1,501		2,039,968
PTTEP Treasury Center Co. Ltd., 3.90%, 12/06/59^(a)		500		567,500
Saudi Arabian Oil Co.
4.25%, 04/16/39^(a)		2,915		3,213,787
4.38%, 04/16/49^(a)		2,135		2,408,213
Shell International Finance BV
3.13%, 11/07/49 (Call 05/07/49)		1,360		1,404,363
3.63%, 08/21/42		583		628,101
3.75%, 09/12/46^(b)		951		1,085,967
4.00%, 05/10/46		1,980		2,317,273
4.13%, 05/11/35		1,935		2,329,962
4.38%, 05/11/45		1,663		2,049,414
4.55%, 08/12/43^(b)		1,550		1,935,604
5.50%, 03/25/40^(b)		1,350		1,872,530
6.38%, 12/15/38		1,405		2,117,583
Sinopec Capital 2013 Ltd., 4.25%, 04/24/43^(a)		400		492,000
Sinopec Group Overseas Development 2012 Ltd., 4.88%, 05/17/42^(a)		735		977,550
Sinopec Group Overseas Development 2013 Ltd., 5.38%, 10/17/43^(a)		250		353,911
Sinopec Group Overseas Development 2017 Ltd.
4.00%, 09/13/47^(a)(b)		1,035		1,244,588
4.25%, 04/12/47^(a)		600		747,750
Sinopec Group Overseas Development 2018 Ltd.
3.68%, 08/08/49 (Call 02/08/49)^(a)		310		354,563
4.60%, 09/12/48^(a)		975		1,286,386
Suncor Energy Inc.
4.00%, 11/15/47 (Call 05/15/47)		1,040		1,141,328
5.35%, 07/15/33		125		164,613
5.95%, 12/01/34		40		55,318
5.95%, 05/15/35^(b)		441		608,762
6.50%, 06/15/38		776		1,104,881


Security	Par (000)		Value

Oil & Gas (continued)
6.80%, 05/15/38	$	797	$	1,162,424
6.85%, 06/01/39		923		1,355,442
7.15%, 02/01/32		400		589,215
Thaioil Treasury Center Co. Ltd., 5.38%, 11/20/48^(a)		600		810,750
Tosco Corp., 8.13%, 02/15/30		61		89,378
Total Capital International SA, 3.46%, 07/12/49 (Call 01/12/49)		1,301		1,418,896
Valero Energy Corp.
4.90%, 03/15/45^(b)		809		926,472
6.63%, 06/15/37		1,439		1,954,509
7.50%, 04/15/32		655		903,868
10.50%, 03/15/39		129		224,231

				163,318,690

Oil & Gas Services — 0.5%
Baker Hughes a GE Co. LLC, 5.13%, 09/15/40		749		911,074
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc., 4.08%, 12/15/47 (Call 06/15/47)		1,835		1,908,678
Halliburton Co.
4.50%, 11/15/41 (Call 05/15/41)^(b)		200		219,021
4.75%, 08/01/43 (Call 02/01/43)		1,235		1,344,689
4.85%, 11/15/35 (Call 05/15/35)		970		1,120,938
5.00%, 11/15/45 (Call 05/15/45)		1,365		1,481,357
6.70%, 09/15/38		446		614,632
7.45%, 09/15/39		935		1,387,191
National Oilwell Varco Inc., 3.95%, 12/01/42 (Call 06/01/42)^(b)		1,166		1,112,546

				10,100,126

Packaging & Containers — 0.1%
Packaging Corp. of America, 4.05%, 12/15/49 (Call 06/15/49)		485		541,748
Sonoco Products Co., 5.75%, 11/01/40 (Call 05/01/40)		634		852,178
WestRock MWV LLC, 7.95%, 02/15/31		151		215,101
WRKCo Inc., 4.20%, 06/01/32 (Call 03/01/32)^(b)		1,115		1,288,224

				2,897,251

Pharmaceuticals — 6.8%
AbbVie Inc.
4.05%, 11/21/39 (Call 05/21/39)^(a)		3,130		3,467,445
4.25%, 11/21/49 (Call 05/21/49)^(a)		3,795		4,290,727
4.30%, 05/14/36 (Call 11/14/35)^(b)		637		727,645
4.40%, 11/06/42		2,685		3,096,237
4.45%, 05/14/46 (Call 11/14/45)^(b)		2,269		2,617,751
4.50%, 05/14/35 (Call 11/14/34)		2,060		2,424,803
4.70%, 05/14/45 (Call 11/14/44)^(b)		1,981		2,344,067
4.88%, 11/14/48 (Call 05/14/48)		1,475		1,814,851
Allergan Finance LLC, 4.63%, 10/01/42 (Call 04/01/42)		400		451,536
Allergan Funding SCS
4.55%, 03/15/35 (Call 09/15/34)		2,015		2,410,384
4.75%, 03/15/45 (Call 09/15/44)		894		1,087,754
4.85%, 06/15/44 (Call 12/15/43)		1,060		1,287,990
AmerisourceBergen Corp.
4.25%, 03/01/45 (Call 09/01/44)		200		218,560
4.30%, 12/15/47 (Call 06/15/47)^(b)		585		663,488
AstraZeneca PLC
4.00%, 09/18/42		433		517,705
4.38%, 11/16/45		520		674,160
4.38%, 08/17/48 (Call 02/17/48)		1,058		1,350,128
6.45%, 09/15/37		2,150		3,183,468
Bayer U.S. Finance II LLC
3.95%, 04/15/45 (Call 10/15/44)^(a)		585		612,897


Security	Par (000)		Value

Pharmaceuticals (continued)
4.20%, 07/15/34 (Call 01/15/34)^(a)	$	846	$	951,575
4.40%, 07/15/44 (Call 01/15/44)^(a)		437		485,161
4.63%, 06/25/38 (Call 12/25/37)^(a)		1,287		1,552,393
4.65%, 11/15/43 (Call 05/15/43)^(a)		74		81,304
4.70%, 07/15/64 (Call 01/15/64)^(a)		1,050		1,160,496
4.88%, 06/25/48 (Call 12/25/47)^(a)(b)		890		1,081,564
5.50%, 07/30/35^(a)		100		126,009
Becton Dickinson and Co.
4.67%, 06/06/47 (Call 12/06/46)		1,575		1,993,903
4.69%, 12/15/44 (Call 06/15/44)		1,039		1,295,158
Bristol-Myers Squibb Co.
3.25%, 08/01/42		709		788,279
4.13%, 06/15/39 (Call 12/15/38)^(a)		3,013		3,669,401
4.25%, 10/26/49 (Call 04/26/49)^(a)(b)		2,606		3,344,786
4.35%, 11/15/47 (Call 05/15/47)^(a)		610		785,990
4.50%, 03/01/44 (Call 09/01/43)		690		907,180
4.55%, 02/20/48 (Call 08/20/47)^(a)		1,340		1,767,539
4.63%, 05/15/44 (Call 11/15/43)^(a)		385		500,744
5.00%, 08/15/45 (Call 02/15/45)^(a)		2,059		2,818,473
5.25%, 08/15/43^(a)		430		588,331
Cardinal Health Inc.
4.37%, 06/15/47 (Call 12/15/46)		495		536,338
4.50%, 11/15/44 (Call 05/15/44)		535		572,553
4.60%, 03/15/43		470		509,591
4.90%, 09/15/45 (Call 03/15/45)		415		469,255
Cigna Corp.
3.88%, 10/15/47 (Call 04/15/47)^(a)		1,117		1,181,714
4.80%, 08/15/38 (Call 02/15/38)		1,800		2,163,125
4.80%, 07/15/46 (Call 01/16/46)^(a)(b)		1,460		1,754,919
4.90%, 12/15/48 (Call 06/15/48)		1,905		2,361,515
5.38%, 02/15/42 (Call 08/15/41)^(a)		675		826,099
6.13%, 11/15/41^(a)		205		279,615
CVS Health Corp.
4.78%, 03/25/38 (Call 09/25/37)^(b)		3,985		4,687,855
4.88%, 07/20/35 (Call 01/20/35)		1,195		1,444,646
5.05%, 03/25/48 (Call 09/25/47)		6,255		7,691,349
5.13%, 07/20/45 (Call 01/20/45)		2,770		3,385,973
5.30%, 12/05/43 (Call 06/05/43)		883		1,091,918
Eli Lilly & Co.
3.88%, 03/15/39 (Call 09/15/38)		1,550		1,917,434
3.95%, 05/15/47 (Call 11/15/46)		675		834,164
3.95%, 03/15/49 (Call 09/15/48)		1,450		1,781,700
4.15%, 03/15/59 (Call 09/15/58)		718		902,316
5.95%, 11/15/37		50		74,705
GlaxoSmithKline Capital Inc.
4.20%, 03/18/43		535		675,489
5.38%, 04/15/34^(b)		620		866,324
6.38%, 05/15/38		2,200		3,400,708
Johnson & Johnson
3.40%, 01/15/38 (Call 07/15/37)		1,040		1,184,789
3.50%, 01/15/48 (Call 07/15/47)		911		1,086,847
3.55%, 03/01/36 (Call 09/01/35)		1,024		1,198,376
3.63%, 03/03/37 (Call 09/03/36)^(b)		1,015		1,168,366
3.70%, 03/01/46 (Call 09/01/45)^(b)		1,225		1,487,971
3.75%, 03/03/47 (Call 09/03/46)		1,075		1,321,001
4.38%, 12/05/33 (Call 06/05/33)		1,014		1,271,682
4.50%, 09/01/40^(b)		360		476,557
4.50%, 12/05/43 (Call 06/05/43)		275		357,099
4.85%, 05/15/41		386		519,399
4.95%, 05/15/33		496		653,180


Security	Par (000)		Value

Pharmaceuticals (continued)
5.85%, 07/15/38	$	105	$	156,480
5.95%, 08/15/37		830		1,260,161
McKesson Corp., 4.88%, 03/15/44 (Call 09/15/43)		450		536,762
Mead Johnson Nutrition Co.
4.60%, 06/01/44 (Call 12/01/43)		513		656,313
5.90%, 11/01/39		340		497,683
Merck & Co. Inc.
3.60%, 09/15/42 (Call 03/15/42)		730		862,256
3.70%, 02/10/45 (Call 08/10/44)		2,330		2,762,292
3.90%, 03/07/39 (Call 09/07/38)		1,240		1,480,919
4.00%, 03/07/49 (Call 09/07/48)		720		910,152
4.15%, 05/18/43		1,710		2,167,439
6.55%, 09/15/37^(b)		75		115,452
Merck Sharp & Dohme Corp., 5.75%, 11/15/36		25		34,770
Mylan Inc.
5.20%, 04/15/48 (Call 10/15/47)		620		733,879
5.40%, 11/29/43 (Call 05/29/43)		585		705,386
Mylan NV, 5.25%, 06/15/46 (Call 12/15/45)		865		1,038,772
Novartis Capital Corp.
2.75%, 08/14/50 (Call 02/14/50)		1,000		1,036,488
3.70%, 09/21/42		255		303,056
4.00%, 11/20/45 (Call 05/20/45)		505		630,375
4.40%, 05/06/44		2,026		2,600,203
Perrigo Finance Unlimited Co., 4.90%, 12/15/44 (Call 06/15/44)		400		430,325
Pfizer Inc.
3.90%, 03/15/39 (Call 09/15/38)		695		829,879
4.00%, 12/15/36		855		1,040,935
4.00%, 03/15/49 (Call 09/15/48)^(b)		660		819,630
4.10%, 09/15/38 (Call 03/15/38)		595		728,816
4.13%, 12/15/46		754		917,077
4.20%, 09/15/48 (Call 03/15/48)		1,365		1,693,409
4.30%, 06/15/43		726		934,125
4.40%, 05/15/44		1,165		1,490,366
5.60%, 09/15/40		465		666,472
7.20%, 03/15/39		1,750		2,967,539
Wyeth LLC
5.95%, 04/01/37		860		1,261,203
6.00%, 02/15/36		451		655,212
6.50%, 02/01/34		764		1,143,185
Zoetis Inc.
3.95%, 09/12/47 (Call 03/12/47)		721		849,347
4.45%, 08/20/48 (Call 02/20/48)		380		489,352
4.70%, 02/01/43 (Call 08/01/42)		1,276		1,646,340

				144,326,504

Pipelines — 4.4%
Abu Dhabi Crude Oil Pipeline LLC, 4.60%, 11/02/47^(a)		1,900		2,227,750
Cameron LNG LLC, 3.30%, 01/15/35 (Call 09/15/34)^(a)(b)		1,350		1,454,101
Colonial Pipeline Co.
4.25%, 04/15/48 (Call 10/15/47)^(a)		355		412,710
7.63%, 04/15/32^(a)		85		126,450
Columbia Pipeline Group Inc., 5.80%, 06/01/45 (Call 12/01/44)^(b)		630		849,043
El Paso Natural Gas Co. LLC, 8.38%, 06/15/32		50		71,551
Enable Midstream Partners LP, 5.00%, 05/15/44 (Call 11/15/43)		380		337,605
Enbridge Energy Partners LP
5.50%, 09/15/40 (Call 03/15/40)		638		823,270
7.38%, 10/15/45 (Call 04/15/45)		295		467,035
Series B, 7.50%, 04/15/38		250		383,134


Security	Par (000)		Value

Pipelines (continued)
Enbridge Inc.
4.00%, 11/15/49 (Call 05/15/49)^(b)	$	325	$	358,238
4.50%, 06/10/44 (Call 12/10/43)		860		991,486
5.50%, 12/01/46 (Call 05/29/46)		580		771,505
Energy Transfer Operating LP
4.90%, 03/15/35 (Call 09/15/34)		650		710,947
5.00%, 05/15/50 (Call 11/15/49)		1,690		1,706,589
5.15%, 02/01/43 (Call 08/01/42)		435		451,696
5.15%, 03/15/45 (Call 09/15/44)		791		825,696
5.30%, 04/15/47 (Call 10/15/46)		970		1,007,270
5.95%, 10/01/43 (Call 04/01/43)		455		506,777
6.05%, 06/01/41 (Call 12/01/40)		100		111,233
6.13%, 12/15/45 (Call 06/15/45)		938		1,058,246
6.25%, 04/15/49 (Call 10/15/48)		1,275		1,475,523
6.50%, 02/01/42 (Call 08/01/41)		800		964,098
6.63%, 10/15/36		205		246,512
7.50%, 07/01/38		290		380,880
Series 20Y, 5.80%, 06/15/38 (Call 12/15/37)		100		114,138
Series 30Y, 6.00%, 06/15/48 (Call 12/15/47)^(b)		520		585,432
Enterprise Products Operating LLC
3.70%, 01/31/51 (Call 07/31/50)		500		497,886
3.95%, 01/31/60 (Call 07/31/59)		550		538,110
4.20%, 01/31/50 (Call 07/31/49)		1,385		1,457,308
4.25%, 02/15/48 (Call 08/15/47)		1,010		1,081,131
4.45%, 02/15/43 (Call 08/15/42)		935		1,033,018
4.80%, 02/01/49 (Call 08/01/48)		795		926,468
4.85%, 08/15/42 (Call 02/15/42)		698		812,067
4.85%, 03/15/44 (Call 09/15/43)		1,425		1,674,785
4.90%, 05/15/46 (Call 11/15/45)^(b)		765		893,814
4.95%, 10/15/54 (Call 04/15/54)		675		777,442
5.10%, 02/15/45 (Call 08/15/44)		850		1,009,872
5.70%, 02/15/42		749		932,445
5.95%, 02/01/41		590		764,533
6.13%, 10/15/39		410		562,906
6.45%, 09/01/40		100		138,554
7.55%, 04/15/38		250		373,633
Series D, 6.88%, 03/01/33		633		897,175
Series H, 6.65%, 10/15/34		141		198,793
Series J, 5.75%, 03/01/35		75		94,132
Gulfstream Natural Gas System LLC, 5.95%, 10/15/45 (Call 04/15/45)^(a)		200		239,994
Kinder Morgan Energy Partners LP
4.70%, 11/01/42 (Call 05/01/42)		340		360,248
5.00%, 08/15/42 (Call 02/15/42)^(b)		510		553,243
5.00%, 03/01/43 (Call 09/01/42)		575		627,038
5.40%, 09/01/44 (Call 03/01/44)		465		539,038
5.50%, 03/01/44 (Call 09/01/43)		390		465,539
5.63%, 09/01/41		70		80,401
5.80%, 03/15/35		300		362,770
6.38%, 03/01/41		565		706,960
6.50%, 02/01/37		200		251,859
6.50%, 09/01/39		342		435,859
6.55%, 09/15/40		235		303,962
6.95%, 01/15/38		1,375		1,842,891
7.30%, 08/15/33		51		70,236
7.40%, 03/15/31		148		197,494
7.50%, 11/15/40		370		506,971
7.75%, 03/15/32		100		141,726
Kinder Morgan Inc./DE
5.05%, 02/15/46 (Call 08/15/45)^(b)		1,081		1,227,571


Security	Par (000)		Value

Pipelines (continued)
5.20%, 03/01/48 (Call 09/01/47)	$	539	$	638,293
5.30%, 12/01/34 (Call 06/01/34)		1,590		1,893,276
5.55%, 06/01/45 (Call 12/01/44)		1,370		1,628,227
7.75%, 01/15/32 .		1,102		1,606,489
Magellan Midstream Partners LP
3.95%, 03/01/50 (Call 09/01/49)		485		508,048
4.20%, 03/15/45 (Call 09/15/44)		255		271,780
4.20%, 10/03/47 (Call 04/03/47)		805		905,219
4.25%, 09/15/46 (Call 03/15/46)		235		255,205
4.85%, 02/01/49 (Call 08/01/48)^(b)		653		785,040
5.15%, 10/15/43 (Call 04/15/43)		535		655,122
MPLX LP
4.50%, 04/15/38 (Call 10/15/37)		1,982		2,016,814
4.70%, 04/15/48 (Call 10/15/47)		825		835,720
4.90%, 04/15/58 (Call 10/15/57)		365		364,644
5.20%, 03/01/47 (Call 09/01/46)		874		947,398
5.20%, 12/01/47 (Call 06/01/47)^(a)		259		271,913
5.50%, 02/15/49 (Call 08/15/48)		1,665		1,891,467
NGPL PipeCo LLC, 7.77%, 12/15/37^(a)(b)		455		597,374
Northern Natural Gas Co., 4.30%, 01/15/49 (Call 07/15/48)^(a)		270		327,118
ONEOK Inc.
4.45%, 09/01/49 (Call 03/01/49)^(b)		930		953,427
4.95%, 07/13/47 (Call 01/06/47)		895		983,100
5.20%, 07/15/48 (Call 01/15/48)		909		1,038,138
6.00%, 06/15/35^(b)		230		288,992
ONEOK Partners LP
6.13%, 02/01/41 (Call 08/01/40)		618		769,315
6.20%, 09/15/43 (Call 03/15/43)		295		369,866
6.65%, 10/01/36		210		275,894
6.85%, 10/15/37		300		402,109
Phillips 66 Partners LP
4.68%, 02/15/45 (Call 08/15/44)		185		209,662
4.90%, 10/01/46 (Call 04/01/46)		690		784,333
Plains All American Pipeline LP/PAA Finance Corp.
4.30%, 01/31/43 (Call 07/31/42)		330		298,982
4.70%, 06/15/44 (Call 12/15/43)		777		718,956
4.90%, 02/15/45 (Call 08/15/44)		860		852,099
5.15%, 06/01/42 (Call 12/01/41)		255		261,414
6.65%, 01/15/37		344		415,831
Rockies Express Pipeline LLC
6.88%, 04/15/40^(a)		75		76,812
7.50%, 07/15/38^(a)		295		327,534
Sabal Trail Transmission LLC
4.68%, 05/01/38 (Call 11/01/37)^(a)		205		243,268
4.83%, 05/01/48 (Call 11/01/47)^(a)		165		197,947
Southern Natural Gas Co. LLC
4.80%, 03/15/47 (Call 09/15/46)^(a)		160		192,957
8.00%, 03/01/32^(b)		150		220,990
Spectra Energy Partners LP
4.50%, 03/15/45 (Call 09/15/44)		570		657,741
5.95%, 09/25/43 (Call 03/25/43)		620		803,085
Sunoco Logistics Partners Operations LP
4.95%, 01/15/43 (Call 07/15/42)		260		258,745
5.30%, 04/01/44 (Call 10/01/43)		591		619,388
5.35%, 05/15/45 (Call 11/15/44)		1,275		1,367,880
5.40%, 10/01/47 (Call 04/01/47)		1,315		1,389,513
6.10%, 02/15/42		225		256,249


Security	Par (000)		Value

Pipelines (continued)
Texas Eastern Transmission LP
4.15%, 01/15/48 (Call 07/15/47)^(a)	$	463	$	517,061
7.00%, 07/15/32		340		482,735
TransCanada PipeLines Ltd.
4.63%, 03/01/34 (Call 12/01/33)		1,295		1,518,397
4.75%, 05/15/38 (Call 11/15/37)		350		398,072
4.88%, 05/15/48 (Call 11/15/47)		1,255		1,504,276
5.00%, 10/16/43 (Call 04/16/43)		1,041		1,291,305
5.10%, 03/15/49 (Call 09/15/48)		800		996,324
5.60%, 03/31/34		250		318,463
5.85%, 03/15/36		250		324,628
6.10%, 06/01/40		485		677,290
6.20%, 10/15/37		653		885,221
7.25%, 08/15/38		430		650,590
7.63%, 01/15/39		771		1,205,384
Transcontinental Gas Pipe Line Co. LLC
4.45%, 08/01/42 (Call 02/01/42)		300		321,441
4.60%, 03/15/48 (Call 09/15/47)		790		873,748
5.40%, 08/15/41 (Call 02/15/41)		151		177,050
Western Midstream Operating LP
5.25%, 02/01/50 (Call 08/01/49)		750		695,650
5.30%, 03/01/48 (Call 09/01/47)		395		357,491
5.45%, 04/01/44 (Call 10/01/43)		425		400,326
5.50%, 08/15/48 (Call 02/15/48)		100		93,081
Williams Companies Inc. (The)
4.85%, 03/01/48 (Call 09/01/47)		515		542,498
4.90%, 01/15/45 (Call 07/15/44)		1,020		1,091,782
5.10%, 09/15/45 (Call 03/15/45)^(b)		1,129		1,236,490
5.40%, 03/04/44 (Call 09/04/43)		735		834,461
5.75%, 06/24/44 (Call 12/24/43)		390		461,920
5.80%, 11/15/43 (Call 05/15/43)		75		91,379
6.30%, 04/15/40		710		875,394
8.75%, 03/15/32		125		190,121
Series A, 7.50%, 01/15/31^(b)		105		141,230

				93,783,969

Private Equity — 0.1%
Apollo Management Holdings LP, 5.00%, 03/15/48 (Call 09/15/47)^(a)(b)		85		107,161
Carlyle Finance LLC, 5.65%, 09/15/48 (Call 03/15/48)^(a)(b)		325		423,807
KKR Group Finance Co. III LLC, 5.13%, 06/01/44 (Call 12/01/43)^(a)		855		1,080,254

				1,611,222

Real Estate Investment Trusts — 1.4%
Alexandria Real Estate Equities Inc.
3.38%, 08/15/31 (Call 05/15/31)^(b)		2,150		2,390,414
4.00%, 02/01/50 (Call 08/01/49)		310		376,158
4.70%, 07/01/30 (Call 04/01/30)		975		1,180,770
4.85%, 04/15/49 (Call 10/15/48)		360		482,734
American Tower Corp., 3.70%, 10/15/49 (Call 04/15/49)		200		213,162
AvalonBay Communities Inc.
3.90%, 10/15/46 (Call 04/15/46)		581		702,402
4.15%, 07/01/47 (Call 01/01/47)		175		218,036
4.35%, 04/15/48 (Call 10/15/47)		50		64,655
Camden Property Trust, 3.35%, 11/01/49 (Call 05/01/49)^(b)		725		798,810
Crown Castle International Corp.
4.00%, 11/15/49 (Call 05/15/49)		410		459,840
4.75%, 05/15/47 (Call 11/15/46)		110		135,985
5.20%, 02/15/49 (Call 08/15/48)		702		910,320


Security	Par (000)		Value

Real Estate Investment Trusts (continued)
Duke Realty LP, 3.05%, 03/01/50 (Call 09/01/49)	$	750	$	762,092
ERP Operating LP
4.00%, 08/01/47 (Call 02/01/47)		35		41,436
4.50%, 07/01/44 (Call 01/01/44)		413		537,481
4.50%, 06/01/45 (Call 12/01/44)		575		730,855
Essex Portfolio LP
2.65%, 03/15/32 (Call 12/15/31)		50		51,304
4.50%, 03/15/48 (Call 09/15/47)		355		451,631
Federal Realty Investment Trust
3.63%, 08/01/46 (Call 02/01/46)^(b)		475		521,568
4.50%, 12/01/44 (Call 06/01/44)		547		686,038
Healthpeak Properties Inc., 6.75%, 02/01/41 (Call 08/01/40)		205		314,896
Kimco Realty Corp.
3.70%, 10/01/49 (Call 04/01/49)		645		691,166
4.13%, 12/01/46 (Call 06/01/46)		51		57,410
4.25%, 04/01/45 (Call 10/01/44)		430		501,237
4.45%, 09/01/47 (Call 03/01/47)		450		532,161
Prologis LP
3.00%, 04/15/50 (Call 10/15/49)		95		96,902
4.38%, 09/15/48 (Call 03/15/48)		235		311,246
Realty Income Corp., 4.65%, 03/15/47 (Call 09/15/46)		520		701,949
Regency Centers LP
4.40%, 02/01/47 (Call 08/01/46)		385		479,237
4.65%, 03/15/49 (Call 09/15/48)		610		795,853
Service Properties Trust, 4.38%, 02/15/30 (Call 08/15/29)^(b)		425		431,082
Simon Property Group LP
3.25%, 09/13/49 (Call 03/13/49)		1,130		1,182,466
4.25%, 10/01/44 (Call 04/01/44)		535		652,765
4.25%, 11/30/46 (Call 05/30/46)^(b)		245		301,969
4.75%, 03/15/42 (Call 09/15/41)		555		696,854
6.75%, 02/01/40 (Call 11/01/39)		655		1,009,213
Trust F/1401
6.39%, 01/15/50 (Call 07/28/49)^(a)		800		938,000
6.95%, 01/30/44 (Call 07/30/43)^(a)		200		251,437
UDR Inc.
3.00%, 08/15/31 (Call 05/15/31)		1,715		1,793,447
3.10%, 11/01/34 (Call 08/01/34)		195		207,172
3.20%, 01/15/30 (Call 10/15/29)		250		264,250
Ventas Realty LP
4.38%, 02/01/45 (Call 08/01/44)		557		658,436
4.88%, 04/15/49 (Call 10/15/48)		223		288,473
5.70%, 09/30/43 (Call 03/30/43)		241		333,213
WEA Finance LLC, 4.63%, 09/20/48 (Call 03/20/48)^(a)(b)		100		124,658
WEA Finance LLC/Westfield UK & Europe Finance PLC, 4.75%, 09/17/44 (Call 03/17/44)^(a)		870		1,089,141
Welltower Inc.
4.95%, 09/01/48 (Call 03/01/48)		460		596,556
6.50%, 03/15/41 (Call 09/15/40)		495		733,315
Weyerhaeuser Co.
6.88%, 12/15/33		554		777,496
7.38%, 03/15/32		1,350		1,960,700

				30,488,391

Retail — 2.9%
Alimentation Couche-Tard Inc.
3.80%, 01/25/50 (Call 07/25/49)^(a)		280		277,327
4.50%, 07/26/47 (Call 01/26/47)^(a)		385		436,185
Darden Restaurants Inc., 4.55%, 02/15/48 (Call 08/15/47)		505		549,678


Security	Par (000)		Value

Retail (continued)
Home Depot Inc. (The)
3.13%, 12/15/49 (Call 06/15/49)	$	320	$	340,529
3.50%, 09/15/56 (Call 03/15/56)^(b)		280		316,713
3.90%, 06/15/47 (Call 12/15/46)		915		1,116,665
4.20%, 04/01/43 (Call 10/01/42)		816		1,005,030
4.25%, 04/01/46 (Call 10/01/45)		1,520		1,912,815
4.40%, 03/15/45 (Call 09/15/44)		1,150		1,452,571
4.50%, 12/06/48 (Call 06/06/48)		1,117		1,463,630
4.88%, 02/15/44 (Call 08/15/43)		1,125		1,531,240
5.40%, 09/15/40 (Call 03/15/40)		171		237,452
5.88%, 12/16/36		2,273		3,282,605
5.95%, 04/01/41 (Call 10/01/40)		1,105		1,647,930
Kohl’s Corp., 5.55%, 07/17/45 (Call 01/17/45)		555		594,062
Lowe’s Companies Inc.
3.70%, 04/15/46 (Call 10/15/45)		930		993,372
4.05%, 05/03/47 (Call 11/03/46)^(b)		932		1,049,101
4.25%, 09/15/44 (Call 03/15/44)^(b)		750		850,552
4.38%, 09/15/45 (Call 03/15/45)		480		561,183
4.55%, 04/05/49 (Call 10/05/48)^(b)		1,070		1,310,337
4.65%, 04/15/42 (Call 10/15/41)		421		514,596
5.00%, 09/15/43 (Call 03/15/43)		30		36,398
Macy’s Retail Holdings Inc.
4.30%, 02/15/43 (Call 08/15/42)		340		274,017
4.50%, 12/15/34 (Call 06/15/34)		222		205,455
5.13%, 01/15/42 (Call 07/15/41)		105		94,443
Marks & Spencer PLC, 7.13%, 12/01/37^(a)		135		160,268
McDonald’s Corp.
3.63%, 05/01/43		736		789,387
3.63%, 09/01/49 (Call 03/01/49)^(b)		500		543,400
3.70%, 02/15/42		835		909,908
4.45%, 03/01/47 (Call 09/01/46)		410		498,382
4.45%, 09/01/48 (Call 03/01/48)		847		1,036,075
4.60%, 05/26/45 (Call 11/26/44)^(b)		985		1,228,112
4.70%, 12/09/35 (Call 06/09/35)		1,403		1,759,307
4.88%, 07/15/40		146		181,543
4.88%, 12/09/45 (Call 06/09/45)		1,045		1,352,370
5.70%, 02/01/39		480		657,349
6.30%, 10/15/37		598		869,046
6.30%, 03/01/38		439		635,481
Nordstrom Inc., 5.00%, 01/15/44 (Call 07/15/43)^(b)		785		793,990
Starbucks Corp.
3.75%, 12/01/47 (Call 06/01/47)		735		808,779
4.30%, 06/15/45 (Call 12/10/44)		515		610,006
4.45%, 08/15/49 (Call 02/15/49)		485		588,795
4.50%, 11/15/48 (Call 05/15/48)		880		1,046,366
Target Corp.
3.63%, 04/15/46^(b)		730		837,805
3.90%, 11/15/47 (Call 05/15/47)		269		324,234
4.00%, 07/01/42		638		778,571
6.35%, 11/01/32^(b)		1,120		1,593,253
6.50%, 10/15/37		500		785,572
7.00%, 01/15/38		600		969,804
Tiffany & Co., 4.90%, 10/01/44 (Call 04/01/44)		379		508,775
Walgreen Co., 4.40%, 09/15/42		1,180		1,206,905
Walgreens Boots Alliance Inc.
4.50%, 11/18/34 (Call 05/18/34)^(b)		1,033		1,118,475
4.65%, 06/01/46 (Call 12/01/45)		285		297,963
4.80%, 11/18/44 (Call 05/18/44)		790		823,955
Walmart Inc.
2.95%, 09/24/49 (Call 03/24/49)		300		321,988


Security	Par (000)		Value

Retail (continued)
3.63%, 12/15/47 (Call 06/15/47)	$	1,795	$	2,147,762
3.95%, 06/28/38 (Call 12/28/37)		2,163		2,633,957
4.00%, 04/11/43 (Call 10/11/42)		685		839,956
4.05%, 06/29/48 (Call 12/29/47)		2,780		3,501,288
4.30%, 04/22/44 (Call 10/22/43)		345		433,612
4.75%, 10/02/43 (Call 04/02/43)		360		476,792
5.00%, 10/25/40		430		594,337
5.25%, 09/01/35		1,520		2,137,601
5.63%, 04/01/40		350		515,135
5.63%, 04/15/41		743		1,114,334
6.20%, 04/15/38		535		824,579
6.50%, 08/15/37		170		265,253

				61,574,356

Semiconductors — 1.1%
Analog Devices Inc.
4.50%, 12/05/36 (Call 06/05/36)		655		761,764
5.30%, 12/15/45 (Call 06/15/45)		220		294,836
Applied Materials Inc.
4.35%, 04/01/47 (Call 10/01/46)		881		1,150,605
5.10%, 10/01/35 (Call 04/01/35)^(b)		435		591,652
5.85%, 06/15/41		925		1,379,936
Intel Corp.
3.10%, 02/15/60 (Call 08/15/59)		260		267,279
3.25%, 11/15/49 (Call 05/15/49)		2,265		2,473,041
3.73%, 12/08/47 (Call 06/08/47)		1,459		1,719,929
4.00%, 12/15/32		1,920		2,316,253
4.10%, 05/19/46 (Call 11/19/45)		1,050		1,276,248
4.10%, 05/11/47 (Call 11/11/46)		1,065		1,300,111
4.25%, 12/15/42^(b)		300		374,275
4.80%, 10/01/41		460		613,004
4.90%, 07/29/45 (Call 01/29/45)		290		390,339
KLA Corp.
3.30%, 03/01/50 (Call 08/28/49)		350		343,695
5.00%, 03/15/49 (Call 09/15/48)		411		536,030
5.65%, 11/01/34 (Call 07/01/34)		225		281,332
Lam Research Corp., 4.88%, 03/15/49 (Call 09/15/48)		565		743,772
QUALCOMM Inc.
4.30%, 05/20/47 (Call 11/20/46)		1,231		1,477,770
4.65%, 05/20/35 (Call 11/20/34)		1,053		1,314,232
4.80%, 05/20/45 (Call 11/20/44)		1,210		1,536,551
Texas Instruments Inc.
3.88%, 03/15/39 (Call 09/15/38)		200		240,269
4.15%, 05/15/48 (Call 11/15/47)		1,270		1,612,372

				22,995,295

Software — 2.7%
Activision Blizzard Inc., 4.50%, 06/15/47 (Call 12/15/46)		595		748,598
Fidelity National Information Services Inc., Series 30Y, 4.75%, 05/15/48 (Call 11/15/47)		65		84,630
Fiserv Inc., 4.40%, 07/01/49 (Call 01/01/49)		1,765		2,111,884
Microsoft Corp.
3.45%, 08/08/36 (Call 02/08/36)		1,135		1,310,225
3.50%, 02/12/35 (Call 08/12/34)		1,010		1,174,973
3.50%, 11/15/42^(b)		730		851,556
3.70%, 08/08/46 (Call 02/08/46)		2,735		3,320,814
3.75%, 05/01/43 (Call 11/01/42)		375		448,080
3.75%, 02/12/45 (Call 08/12/44)		1,405		1,707,260
3.95%, 08/08/56 (Call 02/08/56)		2,400		3,052,101
4.00%, 02/12/55 (Call 08/12/54)		1,650		2,088,106
4.10%, 02/06/37 (Call 08/06/36)		1,755		2,176,807


Security	Par (000)		Value

Software (continued)
4.20%, 11/03/35 (Call 05/03/35)	$	1,245	$	1,554,973
4.25%, 02/06/47 (Call 08/06/46)		1,386		1,817,842
4.45%, 11/03/45 (Call 05/03/45)		2,279		3,047,076
4.50%, 10/01/40		1,340		1,750,163
4.50%, 02/06/57 (Call 08/06/56)		1,900		2,640,326
4.75%, 11/03/55 (Call 05/03/55)^(b)		630		899,945
4.88%, 12/15/43 (Call 06/15/43)		580		802,904
5.20%, 06/01/39		807		1,150,812
5.30%, 02/08/41		1,025		1,479,052
Oracle Corp.
3.25%, 05/15/30 (Call 02/15/30)^(b)		950		1,053,493
3.80%, 11/15/37 (Call 05/15/37)		2,690		3,109,199
3.85%, 07/15/36 (Call 01/15/36)		1,185		1,372,560
3.90%, 05/15/35 (Call 11/15/34)		1,615		1,886,073
4.00%, 07/15/46 (Call 01/15/46)^(b)		1,690		2,011,508
4.00%, 11/15/47 (Call 05/15/47)		2,025		2,451,025
4.13%, 05/15/45 (Call 11/15/44)		1,135		1,380,994
4.30%, 07/08/34 (Call 01/08/34)		1,698		2,083,993
4.38%, 05/15/55 (Call 11/15/54)		1,224		1,561,499
4.50%, 07/08/44 (Call 01/08/44)		570		723,755
5.38%, 07/15/40^(b)		1,240		1,704,628
6.13%, 07/08/39		1,165		1,737,681
6.50%, 04/15/38		866		1,316,253

				56,610,788

Telecommunications — 7.2%
America Movil SAB de CV
4.38%, 07/16/42^(b)		753		920,072
4.38%, 04/22/49 (Call 10/22/48)		1,250		1,563,672
6.13%, 11/15/37		125		177,969
6.13%, 03/30/40		1,526		2,229,318
6.38%, 03/01/35^(b)		400		573,000
AT&T Inc.
4.30%, 12/15/42 (Call 06/15/42)		1,235		1,385,666
4.35%, 06/15/45 (Call 12/15/44)		1,925		2,169,374
4.50%, 05/15/35 (Call 11/15/34)		2,345		2,731,062
4.50%, 03/09/48 (Call 09/09/47)^(b)		4,395		5,038,408
4.55%, 03/09/49 (Call 09/09/48)		1,695		1,963,370
4.65%, 06/01/44 (Call 12/01/43)		635		715,347
4.75%, 05/15/46 (Call 11/15/45)		2,185		2,562,768
4.80%, 06/15/44 (Call 12/15/43)		1,800		2,129,344
4.85%, 03/01/39 (Call 09/01/38)^(b)		1,881		2,256,834
4.85%, 07/15/45 (Call 01/15/45)		836		975,715
4.90%, 08/15/37 (Call 02/14/37)		1,155		1,379,710
4.90%, 06/15/42^(b)		475		560,460
5.15%, 03/15/42		1,115		1,360,094
5.15%, 11/15/46 (Call 05/15/46)		1,285		1,590,186
5.15%, 02/15/50 (Call 08/14/49)^(b)		2,254		2,798,245
5.25%, 03/01/37 (Call 09/01/36)		1,620		2,004,738
5.30%, 08/15/58 (Call 02/14/58)^(b)		865		1,125,463
5.35%, 09/01/40		1,605		2,041,584
5.35%, 12/15/43		225		277,864
5.38%, 10/15/41		440		544,691
5.45%, 03/01/47 (Call 09/01/46)		1,285		1,669,761
5.55%, 08/15/41		411		531,909
5.65%, 02/15/47 (Call 08/15/46)		1,110		1,481,306
5.70%, 03/01/57 (Call 09/01/56)		704		971,478
6.00%, 08/15/40 (Call 05/15/40)		1,155		1,555,712
6.10%, 07/15/40		100		134,340
6.15%, 09/15/34		50		67,019
6.20%, 03/15/40		100		135,432


Security	Par (000)		Value

Telecommunications (continued)
6.25%, 03/29/41	$	250	$	337,260
6.30%, 01/15/38		100		138,079
6.35%, 03/15/40		1,486		2,043,906
6.38%, 03/01/41		1,089		1,483,029
6.45%, 06/15/34		25		33,157
6.55%, 02/15/39		350		496,657
Bell Canada Inc.
4.30%, 07/29/49 (Call 01/29/49)		850		1,029,659
4.46%, 04/01/48 (Call 10/01/47)^(b)		874		1,087,405
British Telecommunications PLC
4.25%, 11/08/49 (Call 05/08/49)^(a)		605		652,117
9.63%, 12/15/30		2,697		4,273,784
Cisco Systems Inc.
5.50%, 01/15/40		1,430		2,080,490
5.90%, 02/15/39		1,840		2,737,808
Corning Inc.
3.90%, 11/15/49 (Call 05/15/49)		649		686,293
4.38%, 11/15/57 (Call 05/15/57)		380		414,125
4.70%, 03/15/37		165		193,460
4.75%, 03/15/42		535		619,366
5.35%, 11/15/48 (Call 05/15/48)^(b)		440		567,837
5.45%, 11/15/79 (Call 05/15/79)		1,100		1,227,467
5.75%, 08/15/40		250		320,696
5.85%, 11/15/68 (Call 05/15/68)		50		61,298
7.25%, 08/15/36 (Call 08/15/26)		100		125,899
Deutsche Telekom AG, 3.63%, 01/21/50 (Call 07/21/49)^(a)		600		634,533
Deutsche Telekom International Finance BV
4.75%, 06/21/38 (Call 12/21/37)^(a)		650		809,606
4.88%, 03/06/42^(a)		345		443,185
8.75%, 06/15/30		2,985		4,521,906
9.25%, 06/01/32		564		932,981
Juniper Networks Inc., 5.95%, 03/15/41		440		542,593
Motorola Solutions Inc., 5.50%, 09/01/44^(b)		705		835,379
Ooredoo International Finance Ltd., 4.50%, 01/31/43^(a)(b)		520		622,863
Orange SA
5.38%, 01/13/42^(b)		580		807,938
5.50%, 02/06/44 (Call 08/06/43)		510		743,269
9.00%, 03/01/31		3,077		4,930,723
Rogers Communications Inc.
3.70%, 11/15/49 (Call 05/15/49)		815		889,487
4.30%, 02/15/48 (Call 08/15/47)		970		1,145,821
4.35%, 05/01/49 (Call 11/01/48)		788		935,076
4.50%, 03/15/43 (Call 09/15/42)		695		823,081
5.00%, 03/15/44 (Call 09/15/43)^(b)		615		793,046
5.45%, 10/01/43 (Call 04/01/43)		294		393,908
7.50%, 08/15/38		240		375,690
SES Global Americas Holdings GP, 5.30%, 03/25/44^(a)(b)		935		1,069,498
Telefonica Emisiones SA
4.67%, 03/06/38		620		718,561
4.90%, 03/06/48		920		1,119,077
5.21%, 03/08/47		2,330		2,862,823
5.52%, 03/01/49 (Call 09/01/48)		505		656,952
7.05%, 06/20/36		1,685		2,429,341
Telefonica Europe BV, 8.25%, 09/15/30^(b)		2,230		3,296,823
TELUS Corp.
4.30%, 06/15/49 (Call 12/15/48)^(b)		765		943,205
4.60%, 11/16/48 (Call 05/16/48)		615		791,481
Verizon Communications Inc.
3.85%, 11/01/42 (Call 05/01/42)		1,235		1,399,429
4.13%, 08/15/46		1,250		1,510,720


Security	Par (000)		Value

Telecommunications (continued)
4.27%, 01/15/36	$	2,690	$	3,231,020
4.40%, 11/01/34 (Call 05/01/34)		2,035		2,485,966
4.50%, 08/10/33		3,340		4,095,372
4.52%, 09/15/48		3,410		4,410,202
4.67%, 03/15/55		485		646,273
4.75%, 11/01/41^(b)		2,033		2,648,440
4.81%, 03/15/39^(b)		1,175		1,507,262
4.86%, 08/21/46		2,052		2,708,745
5.01%, 04/15/49^(b)		3,605		4,976,251
5.25%, 03/16/37^(b)		2,030		2,711,814
5.50%, 03/16/47		1,395		2,040,828
6.55%, 09/15/43		1,120		1,760,673
7.75%, 12/01/30		125		185,355
Vodafone Group PLC
4.25%, 09/17/50		1,730		1,903,954
4.38%, 02/19/43		1,300		1,496,862
4.88%, 06/19/49^(b)		1,095		1,313,165
5.00%, 05/30/38		640		783,782
5.13%, 06/19/59^(b)		90		109,782
5.25%, 05/30/48		2,179		2,746,995
6.15%, 02/27/37		1,873		2,598,244
6.25%, 11/30/32		620		841,400
7.88%, 02/15/30		575		828,653

				152,241,736

Toys, Games & Hobbies — 0.0%
Hasbro Inc.
5.10%, 05/15/44 (Call 11/15/43)^(b)		465		508,181
6.35%, 03/15/40		330		414,354

				922,535

Transportation — 3.3%
Burlington Northern Santa Fe LLC
3.90%, 08/01/46 (Call 02/01/46)		625		734,281
4.05%, 06/15/48 (Call 12/15/47)		535		646,065
4.13%, 06/15/47 (Call 12/15/46)		174		210,902
4.15%, 04/01/45 (Call 10/01/44)		1,315		1,575,992
4.15%, 12/15/48 (Call 06/15/48)		550		668,236
4.38%, 09/01/42 (Call 03/01/42)		525		645,060
4.40%, 03/15/42 (Call 09/15/41)		815		1,003,639
4.45%, 03/15/43 (Call 09/15/42)		606		743,491
4.55%, 09/01/44 (Call 03/01/44)		955		1,185,188
4.70%, 09/01/45 (Call 03/01/45)		885		1,135,237
4.90%, 04/01/44 (Call 10/01/43)		650		859,224
4.95%, 09/15/41 (Call 03/15/41)		434		566,239
5.05%, 03/01/41 (Call 09/01/40)		201		265,247
5.15%, 09/01/43 (Call 03/01/43)		655		885,890
5.40%, 06/01/41 (Call 12/01/40)^(b)		240		329,327
5.75%, 05/01/40 (Call 11/01/39)		815		1,168,546
6.15%, 05/01/37		475		689,802
6.20%, 08/15/36		200		286,408
7.95%, 08/15/30		83		125,889
Canadian National Railway Co.
3.20%, 08/02/46 (Call 02/02/46)		300		330,770
3.65%, 02/03/48 (Call 08/03/47)		1,345		1,539,675
4.45%, 01/20/49 (Call 07/20/48)		520		677,379
4.50%, 11/07/43 (Call 05/07/43)		50		63,095
6.20%, 06/01/36		475		694,438
6.25%, 08/01/34		186		271,300
6.38%, 11/15/37		395		596,957
6.71%, 07/15/36		425		638,371


Security	Par (000)		Value

Transportation (continued)
Canadian Pacific Railway Co.
4.80%, 09/15/35 (Call 03/15/35)	$	267	$	342,904
4.80%, 08/01/45 (Call 02/01/45)		420		566,652
5.75%, 03/15/33^(b)		850		1,133,620
5.95%, 05/15/37		106		153,083
6.13%, 09/15/2115 (Call 03/15/2115)		878		1,422,617
7.13%, 10/15/31		230		336,773
CSX Corp.
2.40%, 02/15/30 (Call 11/15/29)		250		254,742
3.35%, 09/15/49 (Call 03/15/49)		650		681,647
3.80%, 11/01/46 (Call 05/01/46)		578		647,153
3.95%, 05/01/50 (Call 11/01/49)		210		243,386
4.10%, 03/15/44 (Call 09/15/43)		450		517,358
4.25%, 11/01/66 (Call 05/01/66)		631		721,817
4.30%, 03/01/48 (Call 09/01/47)		1,246		1,507,909
4.40%, 03/01/43 (Call 09/01/42)		425		508,878
4.50%, 03/15/49 (Call 09/15/48)		630		789,779
4.50%, 08/01/54 (Call 02/01/54)		200		248,073
4.65%, 03/01/68 (Call 09/01/67)		220		270,467
4.75%, 05/30/42 (Call 11/30/41)		636		796,353
4.75%, 11/15/48 (Call 05/15/48)		85		110,016
5.50%, 04/15/41 (Call 10/15/40)		400		536,397
6.00%, 10/01/36		724		991,848
6.15%, 05/01/37		533		742,682
6.22%, 04/30/40		595		869,035
Empresa de Transporte de Pasajeros Metro SA, 5.00%, 01/25/47 (Call 07/25/46)^(a)		400		475,000
FedEx Corp.
3.88%, 08/01/42		260		262,752
3.90%, 02/01/35		915		995,101
4.05%, 02/15/48 (Call 08/15/47)		1,210		1,228,674
4.10%, 04/15/43		177		183,823
4.10%, 02/01/45		608		622,015
4.40%, 01/15/47 (Call 07/15/46)		675		716,622
4.50%, 02/01/65		25		25,777
4.55%, 04/01/46 (Call 10/01/45)		659		722,900
4.75%, 11/15/45 (Call 05/15/45).		1,040		1,173,981
4.90%, 01/15/34		555		663,446
4.95%, 10/17/48 (Call 04/17/48)		481		547,972
5.10%, 01/15/44		685		802,748
Kansas City Southern
4.20%, 11/15/69 (Call 05/15/69)		560		675,803
4.30%, 05/15/43 (Call 11/15/42)		165		200,025
4.95%, 08/15/45 (Call 02/15/45)		270		352,802
Lima Metro Line 2 Finance Ltd., 5.88%, 07/05/34^(a)		218		256,944
Norfolk Southern Corp.
3.40%, 11/01/49 (Call 05/01/49)		865		943,278
3.94%, 11/01/47 (Call 05/01/47)		885		1,031,460
3.95%, 10/01/42 (Call 04/01/42)		170		198,513
4.05%, 08/15/52 (Call 02/15/52)		917		1,091,141
4.10%, 05/15/49 (Call 11/15/48)		395		474,400
4.15%, 02/28/48 (Call 08/28/47)^(b)		655		802,571
4.45%, 06/15/45 (Call 12/15/44)		360		447,445
4.65%, 01/15/46 (Call 07/15/45)		520		668,147
4.84%, 10/01/41		845		1,096,027
5.10%, 08/01/2118 (Call 02/01/2118)		385		504,808
Pelabuhan Indonesia II PT, 5.38%, 05/05/45^(a)(b)		400		470,000
Polar Tankers Inc., 5.95%, 05/10/37^(a)		30		38,984


Security	Par (000)		Value

Transportation (continued)
TTX Co.
4.20%, 07/01/46 (Call 01/01/46)^(a)	$	250	$	304,440
4.60%, 02/01/49 (Call 08/01/48)^(a)		250		338,101
Union Pacific Corp.
3.35%, 08/15/46 (Call 02/15/46)		270		278,939
3.38%, 02/01/35 (Call 08/01/34)		575		634,266
3.55%, 08/15/39 (Call 02/15/39)		1,310		1,433,576
3.60%, 09/15/37 (Call 03/15/37)^(b)		650		719,504
3.80%, 10/01/51 (Call 04/01/51)		400		450,183
3.84%, 03/20/60 (Call 09/20/59)^(a)		1,221		1,341,093
3.88%, 02/01/55 (Call 08/01/54)		375		412,624
3.95%, 08/15/59 (Call 02/15/59)		25		28,251
4.00%, 04/15/47 (Call 10/15/46)^(b)		150		171,149
4.05%, 11/15/45 (Call 05/15/45)		500		574,595
4.05%, 03/01/46 (Call 09/01/45)		695		790,217
4.10%, 09/15/67 (Call 03/15/67)		570		657,079
4.15%, 01/15/45 (Call 07/15/44)		405		468,052
4.25%, 04/15/43 (Call 10/15/42)		331		383,545
4.30%, 06/15/42 (Call 12/15/41)		150		177,438
4.30%, 03/01/49 (Call 09/01/48)		778		939,558
4.38%, 09/10/38 (Call 03/10/38)		734		876,389
4.38%, 11/15/65 (Call 05/15/65)		981		1,172,183
4.50%, 09/10/48 (Call 03/10/48)		645		788,894
United Parcel Service Inc.
3.40%, 11/15/46 (Call 05/15/46)		180		186,793
3.40%, 09/01/49 (Call 03/01/49)		650		683,905
3.63%, 10/01/42		445		486,136
3.75%, 11/15/47 (Call 05/15/47)		605		673,250
4.25%, 03/15/49 (Call 09/15/48)		1,265		1,525,674
4.88%, 11/15/40 (Call 05/15/40)		430		549,476
6.20%, 01/15/38		1,085		1,592,855
United Parcel Service of America Inc., 8.38%, 04/01/30^(e)		30		44,104

				69,285,265

Trucking & Leasing —0.0%
GATX Corp.
4.50%, 03/30/45 (Call 09/30/44)^(b)		150		169,600
5.20%, 03/15/44 (Call 09/15/43)		185		234,988

				404,588

Water — 0.2%
American Water Capital Corp.
3.75%, 09/01/47 (Call 03/01/47)		1,005		1,144,597
4.00%, 12/01/46 (Call 06/01/46)		195		228,099


Security	Par/ Shares (000)		Value

Water (continued)
4.15%, 06/01/49 (Call 12/01/48)	$	265	$	320,652
4.20%, 09/01/48 (Call 03/01/48)^(b)		629		754,258
4.30%, 12/01/42 (Call 06/01/42)		146		179,064
4.30%, 09/01/45 (Call 03/01/45)		445		544,648
6.59%, 10/15/37		395		602,610
Essential Utilities Inc., 4.28%, 05/01/49 (Call 11/01/48)		310		375,647
Veolia Environnement SA, 6.75%, 06/01/38		118		176,951

				4,326,526


Total Corporate Bonds & Notes — 97.7% (Cost: $1,895,357,831)				2,072,645,845


Short-Term Investments

Money Market Funds — 8.8%
BlackRock Cash Funds: Institutional, SL Agency Shares, 1.74%^(g)(h)(i)		158,179		158,289,593
BlackRock Cash Funds: Treasury, SL Agency Shares, 1.52%^(g)(h)		29,587		29,587,000

				187,876,593


Total Short-Term Investments — 8.8% (Cost: $187,818,153)				187,876,593


Total Investments in Securities — 106.5% (Cost: $2,083,175,984)				2,260,522,438

Other Assets, Less Liabilities — (6.5)%				(138,508,531	)


Net Assets — 100.0%			$	2,122,013,907

^(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)	Security is issued at a fixed coupon rate, which converts to a variable rate at a specified date.

^(d)	Perpetual security with no stated maturity date.

^(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)	Zero-coupon bond.

^(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 29, 2020, for purposes of Section 2(a)(3) of the 1940 Act, were as follows:

Investment Transactions and Income Recognition: Investment 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.

Recent Accounting Standards: The Fund has adopted Financial Accounting Standards Board Accounting Standards Update 2017-08 to amend the amortization period for certain purchased callable debt securities held at a premium. Under the new standard, the Fund has changed the amortization period for the premium on certain purchased callable debt securities with non-contingent call features to the earliest call date. In accordance with the transition provisions of the standard, the Fund applied the amendments on a modified retrospective basis beginning with the fiscal period ended February 29, 2020. The cost basis of securities at February 28, 2019 has been adjusted to $645,281,461.

This change in accounting policy has been made to comply with the newly issued accounting standard and had no impact on accumulated earnings (loss) or the net asset value of the Fund.

Investment Valuation Policies: The Fund’s investments are valued at fair value (also referred to as “market value” within the financial statements) 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. A fund determines the fair value of its financial instruments using various independent dealers or pricing services under policies approved by the Board of Trustees of the Trust (the “Board”). The BlackRock Global Valuation Methodologies Committee (the “Global Valuation Committee”) is the committee formed by management to develop global pricing policies and procedures and to oversee the pricing function for all financial instruments.

Fair Value Inputs and Methodologies: The following methods and inputs are used to establish the fair value of the Fund’s assets and liabilities:

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 the Fund’s investments is included in its schedule of investments. The categorization of a value determined for financial instruments is based on the pricing transparency of the financial instruments and is not necessarily an indication of the risks associated with investing in those securities.

As of February 29, 2020, 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 BlackRock Fund Advisors (“BFA”), the Fund’s investment adviser, or its affiliates 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, if any, are also disclosed in its schedule of investments. The market value of any securities on loan as of February 29, 2020 and the value of the related cash collateral are disclosed in the statement of assets and liabilities.

The following table is a summary of the securities lending agreements by counterparty which are subject to offset under an MSLA as of February 29, 2020:

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 the securities loaned to the extent 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 market 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. Such losses are borne entirely by 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:

Each reduced investment advisory fee level reflects a 5% reduction (rounded to the fourth decimal place) from the investment advisory fee at the prior aggregate average daily net asset level.

Securities Lending: The U.S. Securities and Exchange Commission (the “SEC”) 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, or its affiliates, 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 the current securities lending agreement, the Fund retains 82% of securities lending income (which excludes collateral investment fees), 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 that calendar year exceeds a specified threshold, the Fund, pursuant to the securities lending agreement, will retain for the remainder of that calendar year 85% of securities lending income (which excludes collateral investment fees) and the amount retained can never be less than 70% of the total of securities lending income plus the collateral investment fees.

The share of securities lending income earned by the Fund is shown as securities lending income — affiliated — net in its statement of operations. For the year ended February 29, 2020, the Fund paid BTC $99,688 for securities lending agent services.

Officers and Trustees: Certain officers and/or trustees of the Trust are officers and/or trustees of BlackRock or its affiliates.

For the year ended February 29, 2020, transactions executed by the Fund pursuant to Rule 17a-7 under the 1940 Act were as follows:

For the year ended February 29, 2020, purchases and sales of investments, excluding in-kind transactions and short-term investments, were as follows:

Management has analyzed tax laws and regulations and their application to the Fund as of February 29, 2020, inclusive of the open tax return years, and does not believe that there are any uncertain tax positions that require recognition of a tax liability in the Fund’s financial statements.

As of February 29, 2020, the tax components of accumulated net earnings (losses) were as follows:

For the year ended February 29, 2020, the Fund utilized $6,644,117 of its capital loss carryforwards.

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.

Market Risk: 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. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues, recessions, or other events could have a significant impact on the Fund and its investments. 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.

could affect the economies of many nations, individual companies and the market in general in ways that cannot necessarily be foreseen at the present time. This pandemic may result in substantial market volatility and may adversely impact the prices and liquidity of a fund’s investments. The impact of the pandemic may be short term or may last for an extended period of time.

Concentration Risk: 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 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 shares sold in the table above.

On June 16, 2016, investors 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 Preferred and Income Securities ETF) filed a 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. In an opinion dated January 23, 2020, the California Court of Appeal affirmed the dismissal of Plaintiffs’ claims. On March 3, 2020, plaintiffs filed a petition for review by the California Supreme Court.

We have audited the accompanying statement of assets and liabilities, including the schedule of investments, of iShares Long-Term Corporate Bond ETF (one of the funds constituting iShares Trust, referred to hereafter as the “Fund”) as of February 29, 2020, the related statement of operations for the year ended February 29, 2020, the statement of changes in net assets for each of the two years in the period ended February 29, 2020, including the related notes, and the financial highlights for each of the five years in the period ended February 29, 2020 (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 29, 2020, 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 29, 2020 and the financial highlights for each of the five years in the period ended February 29, 2020 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.

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 iShares Funds are not sponsored, endorsed, issued, sold or promoted by Bloomberg Index Services Limited or ICE Data Indices, LLC, nor do these companies make any representation regarding the advisability of investing in the iShares Funds. BlackRock is not affiliated with the companies listed above.

The iShares Interest Rate Hedged Emerging Markets Bond ETF (the “Fund”) seeks to mitigate the interest rate risk of a portfolio composed of U.S. dollar-denominated, emerging market bonds. The Fund is an actively managed exchange-traded fund that does not seek to replicate the performance of a specified index. The Fund currently seeks to achieve its investment objective by investing a substantial portion of its assets in one underlying fund, the iShares J.P. Morgan USD Emerging Markets Bond ETF. The Fund attempts to mitigate the interest rate risk of the underlying fund by holding short positions in U.S. Treasury futures or interest rate swaps.

The inception date of the Fund was 7/22/15. The first day of secondary market trading was 7/23/15.

The J.P. Morgan EMBI Global Core Swap Hedged Index is an unmanaged index that consists of the J.P. Morgan EMBI^® Global Core Index plus interest rate swaps that intend to hedge the interest rate exposure of the J.P. Morgan EMBI^® Global Core Index.

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 ask 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. Since shares of a fund may not trade in the secondary market until after the fund’s inception, for the period from inception to the first day of secondary market trading in shares of the fund, the NAV of the fund is used as a proxy for the Market Price to calculate market returns. Market and NAV returns assume that dividends and capital gain distributions have been reinvested at Market Price and NAV, respectively.


Security	Shares		Value

Investment Companies

Exchange-Traded Funds — 94.6%
iShares J.P. Morgan USD Emerging Markets Bond ETF^(a)(b)		47,498	$	4,773,549


Total Investment Companies — 94.6% (Cost: $5,240,708)				4,773,549


Short-Term Investments

Money Market Funds — 46.8%
BlackRock Cash Funds: Institutional, SL Agency Shares,
0.89%^(a)(c)(d)		2,311,548		2,314,091
BlackRock Cash Funds: Treasury, SL Agency Shares,
0.18%^(a)(c)		49,000		49,000

				2,363,091


Total Short-Term Investments — 46.8% (Cost: $2,363,062)				2,363,091


Total Investments in Securities — 141.4% (Cost: $7,603,770)				7,136,640

Other Assets, Less Liabilities — (41.4)%				(2,090,811	)


Net Assets — 100.0%			$	5,045,829