Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Significant Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |
Assets | |||||
Treasuries | $— | $16,537,752,616 | $— | $16,537,752,616 | |
Other Investment Company1 | 1,021,746 | — | — | 1,021,746 | |
Total | $1,021,746 | $16,537,752,616 | $— | $16,538,774,362 |
1 | As categorized in Portfolio Holdings. |
Security | Number of Shares | Value ($) |
Other Investment Company 0.1% of net assets | ||
Money Market Fund 0.1% | ||
State Street Institutional U.S. Government Money Market Fund, Premier Class 0.04% (a) | 7,125,969 | 7,125,969 |
Total Other Investment Company | ||
(Cost $7,125,969) | 7,125,969 |
(a) | The rate shown is the 7-day yield. |
Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Significant Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |
Assets | |||||
Treasuries | $— | $7,558,232,840 | $— | $7,558,232,840 | |
Other Investment Company1 | 7,125,969 | — | — | 7,125,969 | |
Total | $7,125,969 | $7,558,232,840 | $— | $7,565,358,809 |
1 | As categorized in Portfolio Holdings. |
Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Significant Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |
Assets | |||||
Treasuries | $— | $3,894,782,566 | $— | $3,894,782,566 | |
Other Investment Company1 | 2,235,008 | — | — | 2,235,008 | |
Total | $2,235,008 | $3,894,782,566 | $— | $3,897,017,574 |
1 | As categorized in Portfolio Holdings. |
Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Significant Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |
Assets | |||||
Treasuries | $— | $77,611,250 | $— | $77,611,250 | |
Other Investment Company1 | 212 | — | — | 212 | |
Total | $212 | $77,611,250 | $— | $77,611,462 |
1 | As categorized in Portfolio Holdings. |
Value at 12/31/20 | Gross Purchases* | Gross Sales | Realized Gains(Losses) | Net change in unrealized appreciation (depreciation) | Value at 3/31/21 | Face amount at 3/31/21 | Interest Income Earned | |
TD Ameritrade Holding Corp., 2.95%, 04/01/22 | $205,818 | ($58) | $— | $— | ($1,338) | $204,422 | 200,000 | $1,475 |
TD Ameritrade Holding Corp., 3.75%, 04/01/24 | 219,684 | (633) | (76,257) | 3,507 | (4,830) | 141,471 | 130,000 | 1,861 |
TD Ameritrade Holding Corp., 3.30%, 04/01/27 | 508,054 | 371 | (218,600) | 27,708 | (45,548) | 271,985 | 250,000 | 3,676 |
TD Ameritrade Holding Corp., 2.75%, 10/01/29 | 165,630 | (72) | — | — | (9,505) | 156,053 | 150,000 | 1,031 |
The Charles Schwab Corp., 2.65%, 01/25/23 | 314,394 | (998) | (26,017) | 644 | (1,894) | 286,129 | 275,000 | 1,984 |
The Charles Schwab Corp., 3.55%, 02/01/24 | 163,742 | (659) | — | — | (514) | 162,569 | 150,000 | 1,331 |
The Charles Schwab Corp., 4.20%, 03/24/25 | 286,730 | (1,624) | (56,000) | 656 | (6,052) | 223,710 | 200,000 | 2,613 |
The Charles Schwab Corp., 3.85%, 05/21/25 | 142,405 | (496) | — | — | (3,616) | 138,293 | 125,000 | 1,203 |
The Charles Schwab Corp., 0.90%, 03/11/26 | — | 503,273 | (74,093) | (1,399) | (7,698) | 420,083 | 425,000 | 646 |
The Charles Schwab Corp., 3.20%, 01/25/28 | 514,354 | (717) | (245,122) | 10,017 | (34,835) | 243,697 | 225,000 | 3,560 |
The Charles Schwab Corp., 4.00%, 02/01/29 | 299,042 | 57,939 | (113,525) | 1,659 | (19,129) | 225,986 | 200,000 | 2,767 |
The Charles Schwab Corp., 3.25%, 05/22/29 | 229,660 | (297) | — | — | (13,545) | 215,818 | 200,000 | 1,625 |
The Charles Schwab Corp., 4.63%, 03/22/30 | 316,102 | (845) | (119,024) | 8,269 | (26,756) | 177,746 | 150,000 | 2,865 |
Total | $3,365,615 | $555,184 | ($928,638) | $51,061 | ($175,260) | $2,867,962 | $26,637 |
Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Significant Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |
Assets | |||||
Corporates1 | $— | $2,245,789,091 | $— | $2,245,789,091 | |
Treasuries | — | 3,158,464,685 | — | 3,158,464,685 | |
Government Related1 | — | 525,671,532 | — | 525,671,532 | |
Securitized1 | — | 2,543,463,340 | — | 2,543,463,340 | |
Other Investment Companies1 | 166,032,306 | — | — | 166,032,306 | |
Total | $166,032,306 | $8,473,388,648 | $— | $8,639,420,954 |
1 | As categorized in Portfolio Holdings. |
Value at 12/31/20 | Gross Purchases* | Gross Sales | Realized Gains(Losses) | Net change in unrealized appreciation (depreciation) | Value at 3/31/21 | Face amount at 3/31/21 | Interest Income Earned | |
TD Ameritrade Holding Corp., 2.95%, 04/01/22 | $— | $102,215 | $— | $— | ($4) | $102,211 | 100,000 | $49 |
TD Ameritrade Holding Corp., 3.75%, 04/01/24 | 32,953 | 27,110 | — | — | (210) | 59,853 | 55,000 | 297 |
TD Ameritrade Holding Corp., 3.63%, 04/01/25 | 55,746 | (206) | — | — | (948) | 54,592 | 50,000 | 453 |
The Charles Schwab Corp., 2.65%, 01/25/23 | 26,200 | 130,068 | — | — | (198) | 156,070 | 150,000 | 762 |
The Charles Schwab Corp., 3.55%, 02/01/24 | 10,916 | (49) | — | — | (29) | 10,838 | 10,000 | 89 |
The Charles Schwab Corp., 4.20%, 03/24/25 | — | 113,244 | — | — | (1,389) | 111,855 | 100,000 | 720 |
The Charles Schwab Corp., 3.85%, 05/21/25 | — | 56,153 | — | — | (836) | 55,317 | 50,000 | 369 |
The Charles Schwab Corp., 3.45%, 02/13/26 | — | 33,056 | — | — | (120) | 32,936 | 30,000 | 43 |
Total | $125,815 | $461,591 | $— | $— | ($3,734) | $583,672 | $2,782 |
Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Significant Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |
Assets | |||||
Corporates1 | $— | $442,958,676 | $— | $442,958,676 | |
Other Investment Companies1 | 6,971,252 | — | — | 6,971,252 | |
Liabilities | |||||
Futures Contracts2 | (3,261) | — | — | (3,261) | |
Total | $6,967,991 | $442,958,676 | $— | $449,926,667 |
1 | As categorized in Portfolio Holdings. |
2 | Futures contracts are valued at unrealized appreciation or depreciation. |
Value at 12/31/20 | Gross Purchases* | Gross Sales | Realized Gains(Losses) | Net change in unrealized appreciation (depreciation) | Value at 3/31/21 | Face amount at 3/31/21 | Interest Income Earned | |
TD Ameritrade Holding Corp., 3.30%, 04/01/27 | $56,451 | $139,283 | ($27,290) | ($584) | ($4,669) | $163,191 | 150,000 | $809 |
TD Ameritrade Holding Corp., 2.75%, 10/01/29 | 27,605 | 20 | — | — | (1,616) | 26,009 | 25,000 | 172 |
The Charles Schwab Corp., 0.90%, 03/11/26 | — | 352,667 | (346,137) | (6,530) | — | — | — | 623 |
The Charles Schwab Corp., 3.20%, 03/02/27 | 56,330 | 224,155 | (136,626) | (3,784) | (3,855) | 136,220 | 125,000 | 1,462 |
The Charles Schwab Corp., 3.20%, 01/25/28 | — | 81,486 | — | — | (254) | 81,232 | 75,000 | 47 |
The Charles Schwab Corp., 4.00%, 02/01/29 | — | 58,996 | — | — | (2,500) | 56,496 | 50,000 | 400 |
The Charles Schwab Corp., 3.25%, 05/22/29 | 34,449 | (61) | — | — | (2,015) | 32,373 | 30,000 | 244 |
The Charles Schwab Corp., 4.63%, 03/22/30 | 189,661 | (566) | (59,427) | (2,447) | (8,724) | 118,497 | 100,000 | 1,722 |
Total | $364,496 | $855,980 | ($569,480) | ($13,345) | ($23,633) | $614,018 | $5,479 |
Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Significant Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |
Assets | |||||
Corporates1 | $— | $389,242,216 | $— | $389,242,216 | |
Other Investment Company1 | 1,519,422 | — | — | 1,519,422 | |
Liabilities | |||||
Futures Contracts2 | (665) | — | — | (665) | |
Total | $1,518,757 | $389,242,216 | $— | $390,760,973 |
1 | As categorized in Portfolio Holdings. |
2 | Futures contracts are valued at unrealized appreciation or depreciation. |