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GLD vs IAUM: Differences, Returns & Fees

GLD and IAUM are both commodity funds, and over the year they finished level, −1.3% against −1.1%. Net assets: $141.3bn on Oct 13, 2026 for SPDR Gold Shares, and $7.9bn on Oct 14, 2026 for iShares Gold Trust Micro Shares.

IAUM costs 0.33 points a year less; their one-year returns differ by 0.2 points; GLD is 17.6 times larger.

GLD vs IAUM: Differences, Returns & Fees
GLDIAUM
Expense ratio0.40%0.07%
Net assets$138.6bn$7.9bn
Total return, 1 year−1.3%−1.1%
What it tracksGoldGold
Holdings in commonnot published
Below its high24.2%, high on Jan 29, 202624.1%, high on Jan 29, 2026
−1.3%
GLD total return, 1 year
−1.1%
IAUM total return, 1 year
0.40%
GLD expense ratio
0.07%
IAUM expense ratio
Client brief · page 1 of 2Report BR-4CFA326F39

GLD and IAUM are built for the same job. How do they differ in cost, holdings and results?

  1. Cost. GLD charges 0.40% of assets a year and IAUM 0.07%, a gap of 0.33 points.
  2. Size. GLD has $138.6bn in net assets and IAUM $7.9bn (Net assets); GLD is 17.5 times larger.
  3. What each follows (similar). Both follow Gold.

Data as of Oct 14, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.

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On the same fields

GLD
SPDR Gold Shares
IAUM
iShares Gold Trust Micro Shares
Where it sits Commodity ETF Commodity ETF
Issuer State Street iShares
What it is Holds gold Holds gold
Total return, 1 year −1.3% −1.1%
Its benchmark over the same days −1.2% (IAU) −1.3% (GLD)
Gap to its benchmark 0.0 pts vs IAU +0.2 pts vs GLD
Expense ratio 0.40% 0.07%
Net assets, GLD as of Oct 13, 2026 and IAUM as of Oct 14, 2026 $141.3bn $7.9bn

GLD and IAUM on the fields both publish, as of Oct 14, 2026. Source: ETFIQ.

About GLD

GLD holds gold. Over the year to Oct 14, 2026 it returned −1.3% with distributions reinvested, against −1.2% for its benchmark, the price of gold. It sat 24.2% below its high of Jan 29, 2026 on Oct 14, 2026.

Its expense ratio is 0.40% a year, for the three months to Jun 30, 2026, as its 10-Q states.

About IAUM

IAUM holds gold. Over the year to Oct 14, 2026 it returned −1.1% with distributions reinvested, against −1.3% for its benchmark, the price of gold. It sat 24.1% below its high of Jan 29, 2026 on Oct 14, 2026.

Its expense ratio is 0.07% a year, for the three months to Jun 30, 2026, as its 10-Q states.

Questions people ask

Which returned more over the last year, GLD or IAUM?
In the year to Oct 14, 2026, with distributions reinvested, GLD returned −1.3% and IAUM −1.1%.
Which is cheaper, GLD or IAUM?
IAUM is cheaper, by 0.33 percentage points a year. That is about $33 on $10,000 held for a year. Fees come from each fund's own filings.
Other comparisons
BAR vs GLDGLD vs IAUGLD vs SGOLGLD vs SIVRIAU vs IAUMGLDM vs IAUMIAUM vs SGOLIAUM vs OUNZ
GLD on its own →IAUM on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
State Street website ↗IAUM filings on SEC EDGAR ↗iShares page for IAUM ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

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ETFIQ, GLD against IAUM, data as of Oct 14, 2026. https://etfiq.com/compare/any/gld-vs-iaum

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Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.