AGG
iShares Core U.S. Aggregate Bond ETF
iShares Trust
ETFIndex fund

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
13183
Top-10 weight
7.35%
Effective holdings ?
426
Crowding ?
118.8

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 BlackRock Cash Funds: Treasury, SL Agency Shares 4,507,603,571 $4.51B 3.19%
2 BlackRock Cash Funds: Treasury, SL Agency Shares 735,747,492 $735.75M 0.52%
3 US TREASURY N/B 655,013,000 $654.63M 0.46%
4 US TREASURY N/B 600,747,000 $603.61M 0.43%
5 US TREASURY N/B 567,826,000 $599.06M 0.42%
6 US TREASURY N/B 574,618,000 $596.62M 0.42%
7 US TREASURY N/B 593,198,000 $595.33M 0.42%
8 US TREASURY N/B 576,750,000 $584.32M 0.41%
9 US TREASURY N/B 568,556,000 $584.19M 0.41%
10 US TREASURY N/B 546,868,000 $572.84M 0.41%
11 US TREASURY N/B 559,636,000 $570.74M 0.40%
12 US TREASURY N/B 569,018,000 $569.82M 0.40%
13 US TREASURY N/B 541,041,000 $554.91M 0.39%
14 US TREASURY N/B 539,897,000 $553.31M 0.39%
15 US TREASURY N/B 605,073,000 $535.68M 0.38%
16 US TREASURY N/B 501,612,000 $494.71M 0.35%
17 US TREASURY N/B 489,475,000 $492.99M 0.35%
18 US TREASURY N/B 485,819,000 $474.51M 0.34%
19 US TREASURY N/B 489,500,000 $468.20M 0.33%
20 US TREASURY N/B 456,298,000 $458.69M 0.32%
21 US TREASURY N/B 442,432,000 $444.75M 0.31%
22 US TREASURY N/B 409,084,000 $417.43M 0.30%
23 US TREASURY N/B 468,900,000 $415.05M 0.29%
24 US TREASURY N/B 397,755,000 $407.36M 0.29%
25 US TREASURY N/B 447,773,000 $405.72M 0.29%
26 US TREASURY N/B 405,763,000 $405.57M 0.29%
27 US TREASURY N/B 398,270,000 $404.46M 0.29%
28 US TREASURY N/B 393,696,000 $403.54M 0.29%
29 US TREASURY N/B 399,355,000 $399.17M 0.28%
30 US TREASURY N/B 392,535,000 $394.50M 0.28%
31 US TREASURY N/B 407,350,000 $385.61M 0.27%
32 US TREASURY N/B 382,991,000 $385.21M 0.27%
33 US TREASURY N/B 378,638,000 $379.38M 0.27%
34 US TREASURY N/B 390,910,000 $355.27M 0.25%
35 US TREASURY N/B 350,738,000 $355.05M 0.25%
36 US TREASURY N/B 396,000,000 $349.50M 0.25%
37 US TREASURY N/B 345,976,000 $344.89M 0.24%
38 US TREASURY N/B 335,718,000 $340.99M 0.24%
39 US TREASURY N/B 332,999,000 $335.34M 0.24%
40 US TREASURY N/B 333,077,000 $334.65M 0.24%
41 US TREASURY N/B 329,879,000 $332.38M 0.24%
42 US TREASURY N/B 321,958,000 $331.21M 0.23%
43 US TREASURY N/B 323,639,000 $328.85M 0.23%
44 US TREASURY N/B 326,913,000 $328.14M 0.23%
45 US TREASURY N/B 326,609,000 $328.00M 0.23%
46 US TREASURY N/B 326,860,000 $326.57M 0.23%
47 US TREASURY N/B 319,670,000 $324.86M 0.23%
48 FN MA4437 387,092,603 $322.89M 0.23%
49 US TREASURY N/B 336,795,000 $320.44M 0.23%
50 US TREASURY N/B 310,552,000 $318.63M 0.23%
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