ETF · holdings as filed 2026-04-30
What's inside IUSB?
iShares Core Universal USD Bond ETF
Holdings
17,785
positions in the fund
Expense ratio
0.06%
net, per year
Fund size
$37B
total net assets
Top 15 holdings
1
TMCXXBLCKRCK LIQ FD TMPCSH-INST
2.88%
2
XTSLABLCKRCK CASH-TRSRY-SL AGNCY
0.93%
3
T 4.25 11/15/34US TREASURY N/B
0.37%
4
T 4.375 05/15/34US TREASURY N/B
0.37%
5
T 4 02/28/30US TREASURY N/B
0.37%
6
T 3.875 08/15/34US TREASURY N/B
0.37%
7
T 4.25 05/15/35US TREASURY N/B
0.36%
8
T 4 02/15/34US TREASURY N/B
0.36%
9
T 4.625 02/15/35US TREASURY N/B
0.36%
10
T 4.5 11/15/33US TREASURY N/B
0.35%
11
T 3.625 10/31/30US TREASURY N/B
0.34%
12
T 4.25 08/15/35US TREASURY N/B
0.34%
13
T 3.625 09/30/30US TREASURY N/B
0.33%
14
T 4 11/15/35US TREASURY N/B
0.33%
15
T 3.875 08/15/33US TREASURY N/B
0.33%
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Unwrap your portfolio →Data source: official SEC Form N-PORT filings (as of 2026-04-30); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.