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IAUMvsIAUETF Comparison

ETF 1
IAUM

iShares Gold Trust Micro

This fund is part of
Gold
-0.82%
VS
ETF 2
IAU

iShares Gold Trust ETF

This fund is part of
Gold
-0.82%

The ETFs iShares Gold Trust Micro (IAUM) and iShares Gold Trust ETF (IAU) track the LBMA London Gold Market Fixing Price PM Index - USD and belong to the same industry segment: Gold. IAUM is less expensive with a Total Expense Ratio (TER) of 0.09%, versus 0.25% for IAU. IAUM is down -6.89% year-to-date (YTD) with +$2.62B in YTD flows. IAU performs worse with -7.03% YTD performance, and -$4.27B in YTD flows. Run a side-by-side ETF comparison of IAUM and IAU below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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IAUM vs IAU performance and flow charts

Performance

-6.0-5.0-4.0-3.0-2.0-1.00.0%Sep 23Sep 30Oct 7Oct 14Oct 21

Cumulative Flows

-100 M0 M100 M200 M300 M400 M500 MSep 23Sep 30Oct 7Oct 14Oct 21

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Historic performance and flows
Data as of 10/23/2026
1M3MYTD1Y3Y5Y
Perf.
IAUM
IAU
-6.33%-6.35%
-0.80%-0.85%
-6.89%-7.03%
-3.22%-3.39%
+102.99%+101.90%
+121.51%+119.57%
Flows
IAUM
IAU
+$474M-$93M
+$1.78B+$233M
+$2.62B-$4.27B
+$2.86B-$3.46B
+$5.82B+$6.51B
+$5.81B+$1.63B
Volatility and drawdown
3M1Y3Y5Y
Volatility
IAUM
IAU
+21.27%+21.27%
+27.28%+27.28%
+20.39%+20.40%
+18.09%+18.09%
Max drawdown
IAUM
IAU
-13.96%-13.98%
-26.14%-26.20%
-26.14%-26.20%
-26.14%-26.20%
Max drawdown duration
IAUM
IAU
60d60d
267d267d
267d267d
267d267d
Trading data

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IAUM
IAU
Last sale
10/23/2026 at 1:30 PM
$39.86
$75.15
Previous close
10/22/2026
$40.14
$75.66
Consolidated volume
10/22/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of October 24, 2026
1-year trailing difference

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IAUM
IAU
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 10/23/2026 at 1:30 PM
Live
Closed
IAUM
IAU
Last price
$39.86
$75.15
1D performance
-0.70%
-0.67%
AuM$7.95 B$59.74 B
E/R0.09%0.25%
Characteristics
IAUM
IAU
Management strategyPassivePassive
ProvideriSharesiShares
BenchmarkLBMA London Gold Market Fixing Price PM IndexLBMA London Gold Market Fixing Price PM Index
N° of holdings--
Asset classCommoditiesCommodities
Trailing 12m distribution yield
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Inception dateJune 15, 2021January 21, 2005
ESGNoNo
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Exposure

Countries

IAUM
Data will be available soon
IAU
Data will be available soon

Sectors

IAUM
Data will be available soon
IAU
Data will be available soon
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Diversification

IAUM
Data will be available soon
IAU
Data will be available soon

Top 15 holdings

Data as of January 1, 1970
IAUM
Data will be available soon
IAU
Data will be available soon
Frequently asked questions about IAUM and IAU

How have the IAUM and IAU ETFs performed in 2026?

As of October 23, 2026, IAUM is down -6.89% year-to-date (YTD), while IAU has lost -7.03%. That puts IAUM better performer ahead so far this year.

Which ETF is attracting more investor money: IAUM or IAU?

Year-to-date, the IAUM ETF saw +$2.62B in flows, compared to -$4.27B for IAU.

Which ETF is more volatile: IAUM or IAU?

Over the past year, IAUM had a volatility of 27.28%, while IAU experienced 27.28%.

Which ETF is bigger: IAUM or IAU?

As of October 23, 2026, IAUM holds $7.95 B in assets under management (AUM), while IAU manages $59.74 B.

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