Coupon | Maturity Date | Face Amount ($000) | Market Value ($000) | |||
U.S. Government and Agency Obligations (98.7%) | ||||||
U.S. Government Securities (89.8%) | ||||||
U.S. Treasury Note/Bond | 1.500% | 9/30/21 | 200,000 | 202,469 | ||
U.S. Treasury Note/Bond | 2.125% | 9/30/21 | 175,000 | 178,145 | ||
U.S. Treasury Note/Bond | 2.875% | 10/15/21 | 75,000 | 76,945 | ||
U.S. Treasury Note/Bond | 1.250% | 10/31/21 | 275,000 | 278,008 | ||
U.S. Treasury Note/Bond | 1.625% | 12/31/21 | 71,700 | 72,932 | ||
U.S. Treasury Note/Bond | 2.000% | 12/31/21 | 140,000 | 143,019 | ||
U.S. Treasury Note/Bond | 2.500% | 1/15/22 | 150,000 | 154,242 | ||
U.S. Treasury Note/Bond | 1.375% | 1/31/22 | 384,700 | 390,591 | ||
U.S. Treasury Note/Bond | 1.500% | 1/31/22 | 310,000 | 315,183 | ||
U.S. Treasury Note/Bond | 1.875% | 1/31/22 | 275,000 | 280,887 | ||
U.S. Treasury Note/Bond | 2.500% | 2/15/22 | 188,000 | 193,669 | ||
U.S. Treasury Note/Bond | 1.125% | 2/28/22 | 150,000 | 151,945 | ||
U.S. Treasury Note/Bond | 2.375% | 3/15/22 | 75,000 | 77,273 | ||
U.S. Treasury Note/Bond | 0.375% | 3/31/22 | 108,000 | 108,354 | ||
U.S. Treasury Note/Bond | 1.750% | 3/31/22 | 150,000 | 153,375 | ||
U.S. Treasury Note/Bond | 0.125% | 4/30/22 | 150,000 | 149,953 | ||
U.S. Treasury Note/Bond | 1.750% | 5/15/22 | 22,500 | 23,048 | ||
U.S. Treasury Note/Bond | 2.125% | 5/15/22 | 25,000 | 25,754 | ||
U.S. Treasury Note/Bond | 0.125% | 6/30/22 | 150,000 | 149,906 | ||
U.S. Treasury Note/Bond | 0.125% | 7/31/22 | 200,000 | 199,875 | ||
U.S. Treasury Note/Bond | 1.875% | 8/31/22 | 300,000 | 309,328 | ||
U.S. Treasury Note/Bond | 1.750% | 9/30/22 | 125,000 | 128,789 | ||
U.S. Treasury Note/Bond | 1.375% | 10/15/22 | 102,500 | 104,934 | ||
U.S. Treasury Note/Bond | 1.875% | 10/31/22 | 45,500 | 47,050 | ||
U.S. Treasury Note/Bond | 2.000% | 10/31/22 | 50,000 | 51,836 | ||
U.S. Treasury Note/Bond | 1.625% | 11/15/22 | 185,500 | 191,007 | ||
U.S. Treasury Note/Bond | 2.000% | 11/30/22 | 135,500 | 140,645 | ||
U.S. Treasury Note/Bond | 2.125% | 12/31/22 | 251,500 | 262,110 | ||
U.S. Treasury Note/Bond | 1.500% | 2/28/23 | 15,500 | 15,975 | ||
U.S. Treasury Note/Bond | 0.500% | 3/15/23 | 50,000 | 50,391 | ||
U.S. Treasury Note/Bond | 1.500% | 3/31/23 | 100,000 | 103,172 | ||
U.S. Treasury Note/Bond | 0.250% | 4/15/23 | 140,000 | 140,262 | ||
U.S. Treasury Note/Bond | 1.625% | 4/30/23 | 276,500 | 286,437 | ||
U.S. Treasury Note/Bond | 2.750% | 4/30/23 | 16,500 | 17,557 | ||
U.S. Treasury Note/Bond | 0.250% | 6/15/23 | 75,000 | 75,129 | ||
U.S. Treasury Note/Bond | 1.375% | 6/30/23 | 23,500 | 24,242 | ||
U.S. Treasury Note/Bond | 2.750% | 7/31/23 | 20,800 | 22,256 | ||
U.S. Treasury Note/Bond | 2.875% | 10/31/23 | 20,000 | 21,594 | ||
U.S. Treasury Note/Bond | 2.625% | 12/31/23 | 137,500 | 147,941 | ||
U.S. Treasury Note/Bond | 2.250% | 1/31/24 | 28,500 | 30,370 | ||
U.S. Treasury Note/Bond | 2.500% | 1/31/24 | 256,500 | 275,377 | ||
U.S. Treasury Note/Bond | 2.750% | 2/15/24 | 40,500 | 43,854 |
Coupon | Maturity Date | Face Amount ($000) | Market Value ($000) | |||
U.S. Treasury Note/Bond | 2.125% | 2/29/24 | 200,000 | 212,562 | ||
U.S. Treasury Note/Bond | 2.375% | 2/29/24 | 40,000 | 42,844 | ||
U.S. Treasury Note/Bond | 2.125% | 3/31/24 | 100,000 | 106,406 | ||
U.S. Treasury Note/Bond | 2.000% | 4/30/24 | 210,000 | 222,830 | ||
U.S. Treasury Note/Bond | 2.000% | 5/31/24 | 185,000 | 196,534 | ||
U.S. Treasury Note/Bond | 1.750% | 6/30/24 | 80,000 | 84,338 | ||
U.S. Treasury Note/Bond | 2.000% | 6/30/24 | 270,000 | 287,086 | ||
U.S. Treasury Note/Bond | 1.750% | 7/31/24 | 90,000 | 94,964 | ||
U.S. Treasury Note/Bond | 2.125% | 7/31/24 | 133,000 | 142,206 | ||
U.S. Treasury Note/Bond | 2.375% | 8/15/24 | 185,000 | 199,684 | ||
U.S. Treasury Note/Bond | 1.875% | 8/31/24 | 75,000 | 79,559 | ||
U.S. Treasury Note/Bond | 2.125% | 9/30/24 | 60,000 | 64,294 | ||
U.S. Treasury Note/Bond | 2.250% | 10/31/24 | 90,000 | 97,003 | ||
U.S. Treasury Note/Bond | 2.250% | 12/31/24 | 112,500 | 121,535 | ||
U.S. Treasury Note/Bond | 1.375% | 1/31/25 | 90,000 | 94,036 | ||
U.S. Treasury Note/Bond | 2.625% | 3/31/25 | 90,000 | 99,028 | ||
U.S. Treasury Note/Bond | 2.125% | 5/15/25 | 125,000 | 135,000 | ||
U.S. Treasury Note/Bond | 0.250% | 6/30/25 | 15,000 | 14,930 | ||
U.S. Treasury Note/Bond | 2.750% | 6/30/25 | 87,000 | 96,624 | ||
U.S. Treasury Note/Bond | 0.250% | 7/31/25 | 55,000 | 54,708 | ||
U.S. Treasury Note/Bond | 2.000% | 8/15/25 | 60,000 | 64,631 | ||
U.S. Treasury Note/Bond | 0.250% | 9/30/25 | 16,000 | 15,900 | ||
8,342,531 | ||||||
Agency Bonds and Notes (1.5%) | ||||||
1,2 | Federal Home Loan Mortgage Corp. | 0.250% | 6/26/23 | 28,000 | 28,008 | |
2,3 | Federal Home Loan Mortgage Corp. | 0.750% | 7/28/25 | 112,000 | 112,080 | |
140,088 | ||||||
Conventional Mortgage-Backed Securities (4.0%) | ||||||
2,3 | Fannie Mae Pool | 3.000% | 12/1/49–1/1/50 | 56,339 | 58,540 | |
2,3 | Fannie Mae Pool | 3.500% | 1/1/49–8/1/49 | 52,278 | 53,952 | |
2,3 | Fannie Mae Pool | 4.000% | 4/1/49–8/1/49 | 27,820 | 29,141 | |
2,3 | Fannie Mae Pool | 4.500% | 9/1/48–11/1/49 | 19,080 | 20,139 | |
2,3 | Freddie Mac Gold Pool | 4.500% | 1/1/49 | 1,778 | 1,889 | |
2,3 | Freddie Mac Gold Pool | 6.000% | 10/1/27–4/1/28 | 42 | 48 | |
2,3 | Freddie Mac Pool | 3.000% | 11/1/49 | 9,808 | 10,110 | |
3 | Ginnie Mae II Pool | 3.000% | 9/20/49–11/20/49 | 11,179 | 11,504 | |
2,3 | UMBS Pool | 3.500% | 10/1/44–8/1/49 | 51,792 | 55,912 | |
2,3 | UMBS Pool | 4.000% | 12/1/40–3/1/49 | 26,093 | 29,018 | |
2,3,4 | UMBS Pool | 4.500% | 7/1/47–8/1/49 | 85,569 | 94,368 | |
2,3 | UMBS Pool | 5.000% | 3/1/42–2/1/44 | 5,247 | 6,148 | |
370,769 | ||||||
Nonconventional Mortgage-Backed Securities (3.4%) | ||||||
2,3 | Fannie Mae | 1.750% | 11/25/32–4/25/44 | 6,737 | 6,840 | |
2,3 | Fannie Mae | 2.500% | 11/25/42 | 5,715 | 5,935 | |
2,3 | Fannie Mae | 5.000% | 9/25/40 | 6,102 | 7,060 | |
2,3 | Fannie Mae REMICS | 1.750% | 5/25/41–3/25/46 | 41,860 | 42,547 | |
2,3 | Fannie Mae REMICS | 1.850% | 8/25/46 | 8,513 | 8,748 | |
2,3 | Fannie Mae REMICS | 2.125% | 10/25/42 | 2,872 | 2,910 | |
2,3 | Fannie Mae REMICS | 2.250% | 10/25/43–6/25/44 | 8,444 | 8,723 | |
2,3 | Fannie Mae REMICS | 2.500% | 5/25/48–12/25/49 | 4,259 | 4,396 | |
2,3 | Fannie Mae REMICS | 3.000% | 10/25/33–9/25/49 | 34,218 | 36,394 | |
2,3 | Fannie Mae REMICS | 4.000% | 12/25/46 | 9,720 | 10,287 | |
2,3 | Freddie Mac | 2.250% | 7/15/44 | 9,898 | 10,216 | |
2,3 | Freddie Mac REMICS | 1.750% | 4/15/43 | 3,134 | 3,204 | |
2,3 | Freddie Mac REMICS | 2.000% | 7/15/42 | 3,994 | 4,104 | |
2,3 | Freddie Mac REMICS | 2.250% | 3/15/41–9/25/49 | 8,198 | 8,423 | |
2,3 | Freddie Mac REMICS | 2.500% | 12/15/39–12/25/49 | 23,824 | 24,801 |
Coupon | Maturity Date | Face Amount ($000) | Market Value ($000) | |||
2,3 | Freddie Mac REMICS | 3.000% | 7/25/49 | 8,392 | 8,894 | |
2,3 | Freddie Mac REMICS | 3.500% | 12/25/49–3/25/50 | 5,631 | 6,020 | |
2,3 | Freddie Mac REMICS | 5.000% | 12/15/40 | 9,170 | 10,615 | |
2,3 | Freddie Mac Strips | 2.500% | 9/15/47 | 13,627 | 14,643 | |
2,3 | Freddie Mac Strips | 3.000% | 6/15/42 | 4,542 | 4,830 | |
3 | Ginnie Mae | 1.500% | 10/20/45 | 13,035 | 13,152 | |
3 | Ginnie Mae | 2.500% | 11/20/47–9/20/49 | 11,170 | 11,859 | |
3 | Ginnie Mae | 2.750% | 9/20/45–5/20/46 | 33,729 | 34,502 | |
3 | Ginnie Mae | 3.000% | 8/20/44–12/20/47 | 25,270 | 25,922 | |
3 | Ginnie Mae | 4.000% | 10/20/47 | 2,234 | 2,407 | |
317,432 | ||||||
Total U.S. Government and Agency Obligations (Cost $9,124,058) | 9,170,820 | |||||
Asset-Backed/Commercial Mortgage-Backed Securities (0.2%) | ||||||
3 | U.S. Small Business Administration Class 1 Series 2002-20L | 5.100% | 12/1/22 | 323 | 332 | |
3 | U.S. Small Business Administration Class 1 Series 2004-20F | 5.520% | 6/1/24 | 506 | 532 | |
3 | U.S. Small Business Administration Class 1 Series 2004-20G | 5.190% | 7/1/24 | 224 | 235 | |
3 | U.S. Small Business Administration Class 1 Series 2005-20J | 5.090% | 10/1/25 | 688 | 737 | |
3 | U.S. Small Business Administration Class 1 Series 2006-20D | 5.640% | 4/1/26 | 804 | 869 | |
3 | U.S. Small Business Administration Class 1 Series 2006-20L | 5.120% | 12/1/26 | 1,610 | 1,722 | |
3 | U.S. Small Business Administration Class 1 Series 2007-20C | 5.230% | 3/1/27 | 1,206 | 1,304 | |
3 | U.S. Small Business Administration Class 1 Series 2007-20D | 5.320% | 4/1/27 | 948 | 1,029 | |
3 | U.S. Small Business Administration Class 1 Series 2007-20E | 5.310% | 5/1/27 | 2,296 | 2,490 | |
3 | U.S. Small Business Administration Class 1 Series 2007-20G | 5.820% | 7/1/27 | 884 | 959 | |
3 | U.S. Small Business Administration Class 1 Series 2007-20I | 5.560% | 9/1/27 | 4,126 | 4,418 | |
3 | U.S. Small Business Administration Class 1 Series 2009-20I | 4.200% | 9/1/29 | 1,765 | 1,897 | |
3 | U.S. Small Business Administration Class 1 Series 2009-20J | 3.920% | 10/1/29 | 2,761 | 2,940 | |
3 | U.S. Small Business Administration Class 1 Series 2009-20K | 4.090% | 11/1/29 | 1,587 | 1,717 | |
Total Asset-Backed/Commercial Mortgage-Backed Securities (Cost $20,433) | 21,181 | |||||
Shares | ||||||
Temporary Cash Investment (2.0%) | ||||||
Money Market Fund (2.0%) | ||||||
5 | Vanguard Market Liquidity Fund (Cost $184,461) | 0.112% | 1,844,606 | 184,461 |
Expiration Date | Contracts | Exercise Price | Notional Amount ($000) | Market Value ($000) | ||
Options Purchased (0.0%) | ||||||
Exchange-Traded Options (0.0%) | ||||||
Call Options | ||||||
10-Year U.S. Treasury Note Futures Contracts | 11/20/20 | 1,026 | $140.00 | 143,640 | 112 | |
Total Options Purchased (Cost $358) | 112 | |||||
Total Investments (100.9%) (Cost $9,329,310) | 9,376,574 | |||||
Other Assets and Liabilities—Net (-0.9%) | (82,073) | |||||
Net Assets (100%) | 9,294,501 | |||||
Cost is in $000. |
1 | Securities with a value of $5,470,000 have been segregated as initial margin for open futures contracts. |
2 | The issuer was placed under federal conservatorship in September 2008; since that time, its daily operations have been managed by the Federal Housing Finance Agency and it receives capital from the U.S. Treasury, as needed to maintain a positive net worth, in exchange for senior preferred stock. |
3 | The average or expected maturity is shorter than the final maturity shown because of the possibility of interim principal payments and prepayments or the possibility of the issue being called. |
4 | Security purchased on a when-issued or delayed-delivery basis for which the fund has not taken delivery as of October 31, 2020. |
5 | Affiliated money market fund available only to Vanguard funds and certain trusts and accounts managed by Vanguard. Rate shown is the 7-day yield. |
REMICS—Real Estate Mortgage Investment Conduits. | |
UMBS—Uniform Mortgage-Backed Securities. |
Options Written |
Expiration Date | Contracts | Exercise Price | Notional Amount ($000) | Market Value ($000) | |
Exchange-Traded Options | |||||
Call Options | |||||
10-Year U.S. Treasury Note Futures Contracts | 11/20/20 | 1,026 | $138.00 | 141,588 | (818) |
Total Options Written (Premiums Received $1,554) | (818) |
Futures Contracts | ||||
($000) | ||||
Expiration | Number of Long (Short) Contracts | Notional Amount | Value and Unrealized Appreciation (Depreciation) | |
Long Futures Contracts | ||||
2-Year U.S. Treasury Note | December 2020 | 2,052 | 453,171 | (58) |
Short Futures Contracts | ||||
5-Year U.S. Treasury Note | December 2020 | (329) | (41,323) | (7) |
Ultra 10-Year U.S. Treasury Note | December 2020 | (435) | (68,417) | 807 |
Ultra Long U.S. Treasury Bond | December 2020 | (283) | (60,845) | 1,071 |
1,871 | ||||
1,813 |
Level 1 ($000) | Level 2 ($000) | Level 3 ($000) | Total ($000) | |
Investments | ||||
Assets | ||||
U.S. Government and Agency Obligations | — | 9,170,820 | — | 9,170,820 |
Asset-Backed/Commercial Mortgage-Backed Securities | — | 21,181 | — | 21,181 |
Temporary Cash Investment | 184,461 | — | — | 184,461 |
Options Purchased | 112 | — | — | 112 |
Total | 184,573 | 9,192,001 | — | 9,376,574 |
Derivative Financial Instruments | ||||
Assets | ||||
Futures Contracts1 | 336 | — | — | 336 |
Liabilities | ||||
Options Written | 818 | — | — | 818 |
1 | Represents variation margin on the last day of the reporting period. |