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iShares Core Universal USD Bond ETF (IUSB)

SEC CIK 1100663 · Series S000045644 · Portfolio as of 2026-04-30

Net assets
$36.54B
Holdings
17829
Snapshots
29
History since
2019-10-31

Top holdings

SecurityValueWeight
Blackrock Liquidity Tempcash · TMCXX$1.05B2.82%
BlackRock Funds III · XTSLA$341.2M0.91%
United States of America · T 4.25 11/15/34$135.6M0.36%
United States of America · T 4.375 05/15/34$134.0M0.36%
United States of America · T 4 02/28/30$133.8M0.36%
United States of America · T 3.875 08/15/34$133.7M0.36%
United States of America · T 4.25 05/15/35$131.4M0.35%
United States of America · T 4 02/15/34$131.3M0.35%
United States of America · T 4.625 02/15/35$130.3M0.35%
United States of America · T 4.5 11/15/33$126.4M0.34%

Sector exposure

fixed income
74.8%
other
25.1%

Recent monthly returns

2025-11
+0.59%
2025-12
-0.15%
2026-01
+0.23%
2026-02
+1.49%
2026-03
-1.77%
2026-04
+0.30%

From N-PORT Part B, units verified by net-asset reconciliation.

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Source: SEC EDGAR Form N-PORT. Data is quarterly with a regulatory filing lag; this page shows the most recent public filing. Not investment advice.