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Global ETF Survey 2026

The ETF Industry Is Evolving Fast

From AI infrastructure to active strategies, the ETF landscape is shifting. Share your perspective in the 7th Annual Global ETF Survey.

Global ETF Survey 2026
›ETF Issuers›iShares›IUSB
IUSB

iShares Core Total USD Bond Market ETF

Passive ETFFixed Income

The IUSB Exchange Traded Fund (ETF) is provided by iShares. It is built to track an index: Bloomberg U.S. Universal Index. The IUSB ETF provides physical exposure, so by buying it you actually own parts of all the 17,809 underlying holdings. This share class generates a stream of income by distributing dividends.

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Diversification
Data as of 05/31/26
No. of holdings
17,809
Effective diversification
435.9
Total weight of top 15 holdings
8.53%
Top 15 Holdings
Data as of 05/31/26
BlackRock Liquidity TempCash
3.72%
US91282CQL80
0.41%
US91282CNT44
0.37%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.36%
US91282CNC19
0.35%
USA, Notes 2.75% 15aug2032, USD (E-2032)
0.35%
US91282CPJ44
0.34%
US91282CPZ85
0.34%
US01F0426654
0.34%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.33%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.33%
USA, Notes 4% 28feb2030, USD (H-2030)
0.33%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.33%
US01F0506687
0.32%
USA, Notes 4% 15feb2034, USD (B-2034)
0.32%
Sector exposures
Data as of 05/31/26
Sovereign
Banks
Non-Corporate
Power
Insurance and reinsurance
Oil and gas extraction and refining
Pharmaceutical preparation and biotechnology
Communication services
Unavailable
Other
08%16%24%32%40%
Country exposures
Data as of 05/31/26
USA
Unavailable
Other
020%40%60%
Maturity exposures
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Credit rating exposures
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