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IUSB

iShares Core Total USD Bond Market ETF

Broadest US bond ETF — covers investment-grade, high-yield, and EM bonds all in one. Wider than BND (which is investment-grade only). ~11,000 holdings across the full US fixed-income spectrum.

TER
0.06%
AUM
$30B
Holdings
~11,000
Data Range
— → —

Key Facts

ISIN
US46434V6619
Issuer
BlackRock
Benchmark
Bloomberg US Universal Index
Total Expense Ratio (TER)
0.06%
Assets Under Management
$30B approx.
Inception Date
2014-06-10
Domicile
United States
Legal Structure
Open-Ended Fund
Dividend Policy
Distributing (pays dividends)
Replication Method
Physical (Optimized Sampling)
UCITS Status
✗ Not UCITS
Fund Currency
USD
Primary Exchange
NASDAQ
Number of Holdings
~11,000

Equivalent ETFs

These ETFs track the same or very similar underlying index:

BNDVanguard Total Bond Market ETF
Backtest this ETFOfficial Fund Page

Who Is This ETF For?

✓One-fund US market solution capturing large, mid, small, and micro caps.
✓Portfolio stabilizer and income generator. Reduces overall portfolio volatility when paired with equities.

Key Risks to Consider

• Interest rate risk: bond prices fall when rates rise.

• Non-UCITS: may have unfavorable tax treatment for non-US investors (US estate tax, withholding tax).

Similar ETFs

AGG0.03% TER

iShares Core US Aggregate Bond ETF

Total US Bond Market · BlackRock

TIP0.19% TER

iShares TIPS Bond ETF

Inflation-Protected Bonds · BlackRock

SHV0.15% TER

iShares Short Treasury Bond ETF

Ultra Short-Term Treasury · BlackRock

VGSH0.04% TER

Vanguard Short-Term Treasury ETF

Short-Term Treasury · Vanguard

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Data & Methodology

Metadata sourced from official issuer documentation. Price data from Yahoo Finance (monthly adjusted close, includes reinvested dividends and splits). AUM figures are approximate and updated quarterly.

Data source: Yahoo Finance (adjusted close), iShares (metadata)Last verified: 2026-04-21