Data as of Oct 28, 2026.

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IAU vs IUSB: Differences, Returns & Fees

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IAU is a commodity fund and IUSB a bond index fund, and over the year to Oct 28, 2026, IAU returned +2.7% against −1.2%.

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Net assets: $60.1bn on Oct 28, 2026 for iShares Gold Trust, and $49.8bn on Oct 27, 2026 for iShares Core Universal USD Bond ETF.

At a glance
+2.7%
IAU total return, 1 year
−1.2%
IUSB total return, 1 year
0.25%
IAU expense ratio
0.06%
IUSB expense ratio

Pair scorecard

IUSB costs 0.19 points a year less; their one-year returns differ by 3.9 points; IAU is 1.2 times larger.

IAU vs IUSB: Differences, Returns & Fees
MeasureIAUIUSB
Return
Total return, 1 year+2.7%−1.2%
Drawdown
Below its high24.6%, high on Jan 29, 2026
Benchmark
What it tracksGoldBloomberg U.S. Universal Index
Cost and size
Expense ratio0.25%0.06%
Net assets, as of Oct 27, 2026$60.3bn$49.8bn
Holdings
Holdings in commonnot published

Method

Side by side

IAU iShares Gold Trust IUSB iShares Core Universal USD Bond ETF
Where it sits Commodity ETF Bond ETF
What it is Holds gold Tracks an index of Universal USD Bond
Total return, 1 year +2.7% −1.2%
Its benchmark over the same days +2.5% (GLD) not measured
Gap to its benchmark +0.2 pts vs GLD not measured
Expense ratio 0.25% 0.06%
Holdings not counted 18338
Net assets, IAU as of Oct 28, 2026 and IUSB as of Oct 27, 2026 $60.1bn $49.8bn

IAU and IUSB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
IAU

Its expense ratio is 0.25% a year, for the three months to Jun 30, 2026, as its 10-Q states.

IAU holds gold. Over the year to Oct 28, 2026 it returned +2.7% with distributions reinvested, against +2.5% for its benchmark, the price of gold. It sat 24.6% below its high of Jan 29, 2026 on Oct 28, 2026.

IUSB

IUSB tracks an index of Universal USD Bond. Over the year to Oct 28, 2026 it returned −1.2% with distributions reinvested. The prospectus expense ratio is 0.06% a year.

Questions people ask

Which returned more over the last year, IAU or IUSB?
In the year to Oct 28, 2026, with distributions reinvested, IAU returned +2.7% and IUSB −1.2%.
Which is cheaper, IAU or IUSB?
IUSB is cheaper, by 0.19 percentage points a year. That is about $19 on $10,000 held for a year. Fees come from each fund's own filings.
Other comparisons
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ETFIQ, IAU against IUSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/iau-vs-iusb

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