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IAUvsIAUMETF Comparison

ETF 1

IAU

iShares Gold Trust ETF

This fund is part of

Gold

+0.84%

Full IAU fund page

VS

ETF 2

IAUM

iShares Gold Trust Micro

This fund is part of

Gold

+0.84%

Full IAUM fund page

The ETFs iShares Gold Trust ETF (IAU) and iShares Gold Trust Micro (IAUM) track the LBMA London Gold Market Fixing Price PM Index - USD and belong to the same industry segment: Gold. IAU is more expensive with a Total Expense Ratio (TER) of 0.25%, versus 0.09% for IAUM. IAU is down -6.02% year-to-date (YTD) with -$4.37B in YTD flows. IAUM performs better with -5.87% YTD performance, and +$2.68B in YTD flows. Run a side-by-side ETF comparison of IAU and IAUM 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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IAU vs IAUM performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 10/27/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IAU IAUM	-2.13%-2.11%	-0.50%-0.45%	-6.02%-5.87%	+1.92%+2.11%	+103.10%+104.19%	+123.21%+125.18%
Flows	IAU IAUM	-$108M+$483M	+$107M+$1.84B	-$4.37B+$2.68B	-$3.01B+$2.92B	+$6.53B+$5.88B	+$1.53B+$5.88B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IAU IAUM	+21.31%+21.31%	+27.08%+27.08%	+20.42%+20.41%	+18.09%+18.09%
Max drawdown	IAU IAUM	-13.98%-13.96%	-26.20%-26.14%	-26.20%-26.14%	-26.20%-26.14%
Max drawdown duration	IAU IAUM	64d64d	271d271d	271d271d	271d271d

Trading data

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	IAU	IAUM
Last sale 10/28/2026 at 1:30 PM	$76.57	$40.60
Previous close 10/27/2026	$76.33	$40.47
Consolidated volume 10/27/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of October 28, 2026

1-year trailing difference

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	IAU	IAUM
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/28/2026 at 1:30 PM

Live

Closed

	IAU	IAUM
Last price	$76.57	$40.60
1D performance	+0.31%	+0.32%
AuM	$60.29 B	$8.11 B
E/R	0.25%	0.09%

Characteristics

	IAU	IAUM
Management strategy	Passive	Passive
Provider	iShares	iShares
Benchmark	LBMA London Gold Market Fixing Price PM Index	LBMA London Gold Market Fixing Price PM Index
N° of holdings	-	-
Asset class	Commodities	Commodities
Trailing 12m distribution yield	Join	Join
Inception date	January 21, 2005	June 15, 2021
ESG	No	No

More IAU data on Trackinsight

More IAUM data on Trackinsight

Exposure

Countries

IAU

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IAUM

Data will be available soon

Sectors

IAU

Data will be available soon

IAUM

Data will be available soon

Diversification

IAU

Data will be available soon

IAUM

Data will be available soon

Top 15 holdings

Data as of January 1, 1970

IAU

Data will be available soon

IAUM

Data will be available soon

Frequently asked questions about IAU and IAUM

How have the IAU and IAUM ETFs performed in 2026?

As of October 27, 2026, IAU is down -6.02% year-to-date (YTD), while IAUM has lost -5.87%. That puts IAUM better performer ahead so far this year.

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

Year-to-date, the IAU ETF saw -$4.37B in flows, compared to +$2.68B for IAUM.

Which ETF is more volatile: IAU or IAUM?

Over the past year, IAU had a volatility of 27.08%, while IAUM experienced 27.08%.

Which ETF is bigger: IAU or IAUM?

As of October 27, 2026, IAU holds $60.29 B in assets under management (AUM), while IAUM manages $8.11 B.

IAUM

Tony's ETF Buyers Guide: All Gold Everything

April 11, 2024

IAU

IAUM

IAUvsIAUMETF Comparison

iShares Gold Trust ETF

iShares Gold Trust Micro

IAU vs IAUM performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the IAU and IAUM ETFs performed in 2026?

As of October 27, 2026, IAU is down -6.02% year-to-date (YTD), while IAUM has lost -5.87%. That puts IAUM better performer ahead so far this year.

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

Year-to-date, the IAU ETF saw -$4.37B in flows, compared to +$2.68B for IAUM.

Which ETF is more volatile: IAU or IAUM?

Over the past year, IAU had a volatility of 27.08%, while IAUM experienced 27.08%.

Which ETF is bigger: IAU or IAUM?

As of October 27, 2026, IAU holds $60.29 B in assets under management (AUM), while IAUM manages $8.11 B.

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