Portfolio concentration
As of February 28, 2026 · N-PORT
Holdings
65
Top-10 weight
37.01%
Effective holdings
?
The number of equal-weight positions that would produce this portfolio's concentration (1 ÷ Herfindahl index). A 500-stock fund dominated by a few mega-caps might have only ~100 effective holdings.
39
Crowding
?
The value-weighted average number of funds that also own this fund's positions. High = consensus/crowded picks; low = holdings few other funds own.
99.9
Holdings
As of February 28, 2026 · N-PORT| # | Security | Ticker | Shares | Value | % of fund |
|---|---|---|---|---|---|
| 1 | U.S. Treasury Bills | B | 988,585,900 | $982.91M | 4.86% |
| 2 | U.S. Treasury Bills | B | 911,616,300 | $908.31M | 4.49% |
| 3 | U.S. Treasury Bills | — | 904,161,900 | $894.65M | 4.42% |
| 4 | U.S. Treasury Bills | B | 846,357,900 | $845.68M | 4.18% |
| 5 | U.S. Treasury Bills | 912797SZ | 824,227,900 | $822.98M | 4.07% |
| 6 | XIB 0 03/03/26 | B | 807,736,000 | $807.66M | 3.99% |
| 7 | U.S. Treasury Bills | — | 713,214,700 | $709.63M | 3.51% |
| 8 | UST BILLS 0% 05/14/2026 | — | 670,915,500 | $666.03M | 3.29% |
| 9 | U.S. Treasury Bills | B | 656,109,000 | $647.73M | 3.20% |
| 10 | U.S. Treasury Bills | 912797SB | 639,912,100 | $639.27M | 3.16% |
| 11 | U.S. Treasury Bills | — | 642,960,000 | $634.36M | 3.13% |
| 12 | United States Treasury Bill | — | 628,789,400 | $624.34M | 3.08% |
| 13 | U.S. Treasury Bills | B | 622,315,500 | $619.50M | 3.06% |
| 14 | U.S. Treasury Bills | B | 598,427,000 | $596.14M | 2.94% |
| 15 | U.S. Treasury Bills | B | 585,294,100 | $583.88M | 2.88% |
| 16 | U.S. Treasury Bills | 912797TH | 550,350,000 | $547.96M | 2.71% |
| 17 | U.S. Treasury Bills | — | 540,415,600 | $529.36M | 2.61% |
| 18 | US TREASURY N/B | — | 490,548,200 | $492.06M | 2.43% |
| 19 | U.S. Treasury Bills | B | 505,747,500 | $491.63M | 2.43% |
| 20 | U.S. Treasury Bills | B | 502,407,600 | $490.85M | 2.42% |
| 21 | U.S. Treasury Bills | — | 499,156,800 | $482.75M | 2.38% |
| 22 | U.S. Treasury Bills | B | 458,089,900 | $456.75M | 2.26% |
| 23 | U.S. Treasury Bills | B | 463,038,000 | $451.21M | 2.23% |
| 24 | U.S. Treasury Bills | B | 446,429,500 | $445.44M | 2.20% |
| 25 | BlackRock Cash Funds: Treasury, SL Agency Shares | — | 378,970,412 | $378.97M | 1.87% |
| 26 | U.S. Treasury Bills | — | 369,580,400 | $368.43M | 1.82% |
| 27 | US TREASURY N/B | — | 354,188,100 | $353.87M | 1.75% |
| 28 | U.S. Treasury Bills | B | 334,603,100 | $334.50M | 1.65% |
| 29 | U.S. Treasury Bills | B | 334,988,000 | $329.85M | 1.63% |
| 30 | US TREASURY N/B | — | 282,263,600 | $283.09M | 1.40% |
| 31 | US TREASURY N/B | — | 249,673,600 | $245.10M | 1.21% |
| 32 | U.S. Treasury Bills | 912797SX | 246,222,800 | $243.93M | 1.20% |
| 33 | US TREASURY N/B | — | 245,664,200 | $242.63M | 1.20% |
| 34 | U.S. Treasury Bills | B | 236,396,000 | $234.03M | 1.16% |
| 35 | WIB 0 03/19/26 | B | 232,789,000 | $232.39M | 1.15% |
| 36 | US TREASURY N/B | — | 194,277,500 | $194.81M | 0.96% |
| 37 | U.S. Treasury Bills | — | 200,315,400 | $194.25M | 0.96% |
| 38 | US TREASURY N/B | — | 185,688,300 | $186.03M | 0.92% |
| 39 | U.S. Treasury Bills | — | 174,741,500 | $173.83M | 0.86% |
| 40 | US TREASURY N/B | — | 173,994,200 | $173.15M | 0.86% |
| 41 | United States Treasury Bill | — | 169,779,200 | $167.06M | 0.83% |
| 42 | US TREASURY N/B | — | 147,000,000 | $146.14M | 0.72% |
| 43 | US TREASURY N/B | — | 144,394,800 | $144.22M | 0.71% |
| 44 | U.S. Treasury Bills | B | 121,671,800 | $119.48M | 0.59% |
| 45 | US TREASURY N/B | — | 101,193,500 | $101.51M | 0.50% |
| 46 | BlackRock Cash Funds: Treasury, SL Agency Shares | — | 99,445,792 | $99.45M | 0.49% |
| 47 | US TREASURY N/B | — | 98,086,700 | $97.18M | 0.48% |
| 48 | U.S. Treasury Bills | — | 84,724,000 | $83.77M | 0.41% |
| 49 | US TREASURY N/B | — | 73,696,000 | $72.65M | 0.36% |
| 50 | U.S. Treasury Bills | — | 62,550,800 | $62.07M | 0.31% |
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