Data as of Oct 28, 2026.
IAU vs MTUM: Differences, Returns & Fees
IAU is a commodity fund and MTUM an equity index fund, and over the year to Oct 28, 2026, MTUM returned +18.4% against +2.7%.
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askIQ about IAU and MTUMNet assets: $60.1bn on Oct 28, 2026 for iShares Gold Trust, and $18.7bn on Oct 27, 2026 for iShares MSCI USA Momentum Factor ETF.
Pair scorecard
MTUM costs 0.10 points a year less; their one-year returns differ by 15.7 points; IAU is 3.2 times larger.
| Measure | IAU | MTUM |
|---|---|---|
| Return | ||
| Total return, 1 year | +2.7% | +18.4% |
| Drawdown | ||
| Below its high | 24.6%, high on Jan 29, 2026 | 11.9%, high on Jun 22, 2026 |
| Benchmark | ||
| What it tracks | Gold | MSCI USA Momentum SR Variant Index |
| Cost and size | ||
| Expense ratio | 0.25% | 0.15% |
| Net assets, as of Oct 27, 2026 | $60.3bn | $18.7bn |
| Holdings | ||
| Holdings in common | not published | |
| In the S&P 500, by weight | 93% | |
| Top ten holdings, share of the fund | 35.5% | |
Side by side
IAU and MTUM on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
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.
MTUM
MTUM tracks the MSCI USA Momentum Factor. Over the year to Oct 28, 2026 it returned +18.4% with distributions reinvested, against +13.6% for its benchmark, the MSCI USA Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 93% of the fund by weight is stocks the S&P 500 also holds, across 126 positions, with the top ten at 35.5%. It sat 11.9% below its high of Jun 22, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, IAU or MTUM?
- In the year to Oct 28, 2026, with distributions reinvested, IAU returned +2.7% and MTUM +18.4%.
- Which is cheaper, IAU or MTUM?
- MTUM is cheaper, by 0.10 percentage points a year. That is about $10 on $10,000 held for a year. Fees come from each fund's own filings.
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ETFIQ, IAU against MTUM, data as of Oct 28, 2026. https://etfiq.com/compare/any/iau-vs-mtum
ETFIQ. (Oct 28, 2026). IAU against MTUM. Retrieved from https://etfiq.com/compare/any/iau-vs-mtum
[IAU against MTUM (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iau-vs-mtum)
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