IUSB
iShares Core Universal USD Bond ETF
iShares Trust
ETFIndex fund

Portfolio concentration

As of January 31, 2026 · N-PORT
Holdings
17669
Top-10 weight
6.04%
Effective holdings ?
702
Crowding ?
97.3

Holdings

As of January 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 Blackrock Liquidity TempCash Inst TMCXX 822,110,920 $822.41M 2.34%
2 BlackRock Cash Funds: Treasury, SL Agency Shares 277,611,669 $277.61M 0.79%
3 US TREASURY N/B 136,315,000 $136.93M 0.39%
4 US TREASURY N/B 133,145,000 $135.29M 0.39%
5 US TREASURY N/B 133,632,000 $135.00M 0.38%
6 US TREASURY N/B 137,805,000 $134.94M 0.38%
7 US TREASURY N/B 132,355,000 $132.64M 0.38%
8 US TREASURY N/B 133,650,000 $132.54M 0.38%
9 US TREASURY N/B 127,696,000 $126.80M 0.36%
10 US TREASURY N/B 121,094,000 $124.92M 0.36%
11 US TREASURY N/B 123,489,000 $122.67M 0.35%
12 US TREASURY N/B 121,924,000 $120.32M 0.34%
13 FN MA4018 145,059,978 $119.18M 0.34%
14 US TREASURY N/B 116,960,000 $117.07M 0.33%
15 US TREASURY N/B 130,548,000 $114.73M 0.33%
16 US TREASURY N/B 111,318,000 $114.27M 0.33%
17 US TREASURY N/B 108,516,000 $109.08M 0.31%
18 US TREASURY N/B 104,948,000 $106.00M 0.30%
19 US TREASURY N/B 105,488,000 $104.81M 0.30%
20 US TREASURY N/B 96,620,000 $98.51M 0.28%
21 US TREASURY N/B 113,249,000 $98.51M 0.28%
22 US TREASURY N/B 96,166,000 $97.12M 0.28%
23 US TREASURY N/B 93,983,500 $95.37M 0.27%
24 US TREASURY N/B 93,843,000 $94.89M 0.27%
25 US TREASURY N/B 98,602,000 $94.37M 0.27%
26 US TREASURY N/B 107,735,000 $93.65M 0.27%
27 US TREASURY N/B 96,592,000 $93.42M 0.27%
28 US TREASURY N/B 104,072,000 $92.58M 0.26%
29 US TREASURY N/B 92,392,000 $92.51M 0.26%
30 US TREASURY N/B 90,450,000 $91.04M 0.26%
31 US TREASURY N/B 89,746,000 $91.04M 0.26%
32 US TREASURY N/B 88,021,000 $88.40M 0.25%
33 US TREASURY N/B 87,342,000 $87.63M 0.25%
34 US TREASURY N/B 88,540,000 $86.77M 0.25%
35 US TREASURY N/B 86,030,000 $86.58M 0.25%
36 US TREASURY N/B 85,799,000 $86.45M 0.25%
37 US TREASURY N/B 86,762,000 $85.94M 0.24%
38 US TREASURY N/B 85,625,000 $85.58M 0.24%
39 US TREASURY N/B 87,212,000 $85.43M 0.24%
40 US TREASURY N/B 83,201,000 $83.76M 0.24%
41 US TREASURY N/B 82,687,600 $83.38M 0.24%
42 US TREASURY N/B 82,664,000 $82.01M 0.23%
43 US TREASURY N/B 80,398,000 $80.78M 0.23%
44 US TREASURY N/B 79,195,000 $80.36M 0.23%
45 US TREASURY N/B 79,165,000 $80.10M 0.23%
46 US TREASURY N/B 78,771,000 $79.56M 0.23%
47 US TREASURY N/B 84,121,000 $79.03M 0.23%
48 G2 MA7192 93,835,330 $78.06M 0.22%
49 US TREASURY N/B 78,460,000 $76.64M 0.22%
50 US TREASURY N/B 77,000,000 $76.01M 0.22%
1 / 355 Next ›

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.