GMMFvsVGSHETF Comparison

ETF 1

GMMF

iShares Government Money Market ETF

This fund is part of

Money Market Bonds

+0.01%

Full GMMF fund page

ETF 2

VGSH

Vanguard Short-Term Treasury ETF

This fund is part of

US Government Bonds

-0.27%

Full VGSH fund page

iShares Government Money Market ETF (GMMF) belongs to the Money Market Bonds segment. Vanguard Short-Term Treasury ETF (VGSH) is part of the US Government Bonds segment. GMMF's top 2 sector exposures are Sovereign and Government Agencies. In contrast, VGSH's top sector exposures are Sovereign. GMMF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.03% for VGSH. GMMF is up 2.81% year-to-date (YTD) with +$103M in YTD flows. VGSH performs worse with 0.9% YTD performance, and +$10.73B in YTD flows. Run a side-by-side ETF comparison of GMMF and VGSH below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

Find out how industry players manage ETF portfolios. Discover our library of Model portfolios

GMMF vs VGSH performance and flow charts

Performance

Cumulative Flows

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

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 10/19/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	GMMF VGSH	+0.29%+0.33%	+0.89%+0.14%	+2.81%+0.90%	+3.59%+1.53%	n/a+13.07%	n/a+10.13%
Flows	GMMF VGSH	+$4M+$1.08B	+$15M+$6.28B	+$103M+$10.73B	+$110M+$13.04B	-+$13.72B	-+$23.26B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	GMMF VGSH	+0.10%+1.34%	+0.10%+1.28%	n/a+1.55%	n/a+1.96%
Max drawdown	GMMF VGSH	n/a-0.92%	n/a-0.92%	n/a-0.96%	n/a-5.46%
Max drawdown duration	GMMF VGSH	n/a55d	n/a55d	n/a122d	n/a795d

Trading data

Create an account to view trading data

Join for free

	GMMF	VGSH
Last sale 10/20/2026 at 1:30 PM		$57.64
Previous close 10/19/2026		$57.64
Consolidated volume 10/19/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of September 30, 2026

1-year trailing difference

Create an account to view replication metrics

Join for free

GMMF

is actively managed and doesn’t replicate an index

Create an account to view replication quality

Join for free

	GMMF	VGSH
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/20/2026 at 1:30 PM

Live

Closed

	GMMF	VGSH
Last price	–	$57.64
1D performance	–	+0.00%
AuM	$194.57 M	$35.94 B
E/R	0.2%	0.03%

Characteristics

	GMMF	VGSH
Management strategy	Active	Passive
Provider	iShares	Vanguard
Benchmark	-	Bloomberg US Treasury 1-3 Year Index
N° of holdings	127	91
Asset class	-	Fixed Income
Trailing 12m distribution yield	Join	Join
Inception date	February 4, 2025	November 19, 2009
ESG	No	No

More GMMF data on Trackinsight

More VGSH data on Trackinsight

Exposure

Countries

GMMF

USA

92.27%

Other

7.73%

VGSH

USA

97.29%

Other

2.71%

Sectors

GMMF

Sovereign

76.23%

Government Agenci.

16.05%

Other

7.73%

VGSH

Sovereign

97.29%

Other

2.71%

Diversification

GMMF

Total weight of top 15 holdings out of 15

64.88%

VGSH

Total weight of top 15 holdings out of 15

20.56%

Top 15 holdings

Data as of August 31, 2026

GMMF

USA, Bills 0% 22sep2026, USD (119D)

10.05%

USA, Bills 0% 1sep2026, USD (119D)

8.50%

USA, Bills 0% 1oct2026, USD (364D)

8.46%

USA, Bills 0% 24sep2026, USD (182D)

8.09%

USA, Bills 0% 6oct2026, USD (119D)

7.73%

USA, Bills 0% 15sep2026, USD (119D)

5.61%

USA, Bills 0% 29sep2026, USD (119D)

4.19%

USA, Bills 0% 8sep2026, USD (119D)

2.10%

USA, Bills 0% 28jan2027, USD (182D)

1.91%

USA, Notes FRN 30apr2028, USD (BB-2028)

1.84%

USA, Bills 0% 3sep2026, USD (364D)

1.70%

USA, Bills 0% 17nov2026, USD (119D)

1.35%

US912797WF00

1.25%

Federal Farm Credit Banks, FRN 20oct2026, USD

1.05%

US3133EWYH78

1.05%

VGSH

USA, Notes 3.5% 31jan2028, USD (U-2028)

2.05%

USA, Notes 4.625% 30apr2029, USD (Y-2029)

1.43%

USA, Notes 4% 31jul2029, USD (AB-2029)

1.39%

USA, Notes 3.875% 15jul2028, USD (AQ-2028)

1.36%

USA, Notes 4.25% 30jun2029, USD (AA-2029)

1.35%

USA, Notes 4.5% 31may2029, USD (Z-2029)

1.34%

USA, Notes 3.625% 31aug2029, USD (AC-2029)

1.33%

USA, Notes 1.125% 29feb2028, USD (H-2028)

1.32%

USA, Notes 4.25% 28feb2029, USD (V-2029)

1.31%

USA, Notes 2.875% 15may2028, USD (C-2028)

1.31%

USA, Notes 4.25% 15jan2028, USD (AJ-2028)

1.29%

USA, Notes 3.5% 31oct2027, USD (BJ-2027)

1.28%

USA, Notes 3.375% 29feb2028, USD (AY-2028)

1.28%

USA, Notes 2.875% 15aug2028, USD (E-2028)

1.27%

USA, Notes 1.25% 30apr2028, USD (K-2028)

1.26%

Frequently asked questions about GMMF and VGSH

How have the GMMF and VGSH ETFs performed in 2026?

As of October 19, 2026, GMMF is up 2.81% year-to-date (YTD), while VGSH has returned 0.9%. That puts GMMF better performer ahead so far this year.

Which ETF is attracting more investor money: GMMF or VGSH?

Year-to-date, the GMMF ETF saw +$103M in flows, compared to +$10.73B for VGSH.

Which ETF is more volatile: GMMF or VGSH?

Over the past year, GMMF had a volatility of 0.1%, while VGSH experienced 1.28%.

Which ETF is bigger: GMMF or VGSH?

As of October 19, 2026, GMMF holds $194.57 M in assets under management (AUM), while VGSH manages $35.94 B.

What sectors do the GMMF and VGSH ETFs invest in?

GMMF leans toward sectors like Sovereign and Government Agencies. Meanwhile, VGSH focuses on Sovereign.

What are the top holdings of the GMMF ETF and VGSH ETF?

GMMF top holdings include USA, Bills 0% 22sep2026, USD (119D), USA, Bills 0% 1sep2026, USD (119D) and USA, Bills 0% 1oct2026, USD (364D). VGSH holds in its top three: USA, Notes 3.5% 31jan2028, USD (U-2028), USA, Notes 4.625% 30apr2029, USD (Y-2029) and USA, Notes 4% 31jul2029, USD (AB-2029).

GMMFvsVGSHETF Comparison

iShares Government Money Market ETF

Vanguard Short-Term Treasury ETF

GMMF vs VGSH 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 GMMF and VGSH ETFs performed in 2026?

As of October 19, 2026, GMMF is up 2.81% year-to-date (YTD), while VGSH has returned 0.9%. That puts GMMF better performer ahead so far this year.

Which ETF is attracting more investor money: GMMF or VGSH?

Year-to-date, the GMMF ETF saw +$103M in flows, compared to +$10.73B for VGSH.

Which ETF is more volatile: GMMF or VGSH?

Over the past year, GMMF had a volatility of 0.1%, while VGSH experienced 1.28%.

Which ETF is bigger: GMMF or VGSH?

As of October 19, 2026, GMMF holds $194.57 M in assets under management (AUM), while VGSH manages $35.94 B.

What sectors do the GMMF and VGSH ETFs invest in?

GMMF leans toward sectors like Sovereign and Government Agencies. Meanwhile, VGSH focuses on Sovereign.

What are the top holdings of the GMMF ETF and VGSH ETF?

GMMF top holdings include USA, Bills 0% 22sep2026, USD (119D), USA, Bills 0% 1sep2026, USD (119D) and USA, Bills 0% 1oct2026, USD (364D). VGSH holds in its top three: USA, Notes 3.5% 31jan2028, USD (U-2028), USA, Notes 4.625% 30apr2029, USD (Y-2029) and USA, Notes 4% 31jul2029, USD (AB-2029).

Which ETF is more diversified: GMMF or VGSH?

GMMF holds 153 securities with 64.88% of its assets in the top 15. VGSH has 92 securities and a top 15 weight of 20.56%.

The Weekly ETF Market Monitor (August 24-28, 2026)

U.S. Treasuries: An Opportunity for the Risk Conscious Investor

3 short-term bond ETFs to reduce volatility and interest rate risk

ETFs to protect against a black swan event

Using ETFs to hedge interest rate risk

Using ETFs to hedge interest rate risk

The Warren Buffett 90/10 ETF portfolio

ETFs’ Next Act: From Access to Selection