GMMFvsSBILETF Comparison
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iShares Government Money Market ETF (GMMF) and Simplify Government Money Market ETF (SBIL) belong to the same industry segment: Money Market Bonds. GMMF's top 2 sector exposures are Sovereign and Government Agencies. In contrast, SBIL's top sector exposures are Government Agencies and Sovereign. GMMF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.15% for SBIL. GMMF is up 2.8% year-to-date (YTD) with +$102M in YTD flows. SBIL performs better with 2.87% YTD performance, and -$268M in YTD flows. Run a side-by-side ETF comparison of GMMF and SBIL 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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GMMF vs SBIL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GMMF SBIL | +0.32%+0.33% | +0.91%+0.93% | +2.80%+2.87% | +3.62%+3.71% | n/an/a | n/an/a |
| Flows | GMMF SBIL | +$3M-$575M | +$14M-$873M | +$102M-$268M | +$109M+$684M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GMMF SBIL | +0.10%+0.12% | +0.10%+0.12% | n/an/a | n/an/a |
| Max drawdown | GMMF SBIL | n/an/a | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | GMMF SBIL | n/an/a | n/an/a | n/an/a | n/an/a |
Trading data
GMMF | SBIL | |
Last sale 10/19/2026 at 1:30 PM | $100.26 | |
| Previous close 10/16/2026 | $100.26 | |
| Consolidated volume 10/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/19/2026 at 1:30 PM
Live
Closed
GMMF | SBIL | |
|---|---|---|
| Last price | – | $100.26 |
| 1D performance | – | +0.00% |
| AuM | $193.54 M | $4.14 B |
| E/R | 0.2% | 0.15% |
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Exposure
Countries
GMMF
USA
92.27%
Other
7.73%
SBIL
USA
70.39%
Other
29.61%
Sectors
GMMF
Sovereign
76.23%
Government Agenci.
16.05%
Other
7.73%
SBIL
Government Agenci.
45.34%
Sovereign
25.05%
Other
29.61%
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Diversification
GMMF
Total weight of top 15 holdings out of 15
64.88%
SBIL
Total weight of top 15 holdings out of 15
22.61%
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%
SBIL
Freddie Mac, FRN 22sep2027, USD
2.98%
USA, Notes FRN 31jul2027, USD (BF-2027)
2.07%
FHLB, 0% 27aug2026, USD (365D)
2.06%
FHLB, 0% 3sep2026, USD (365D)
1.65%
USA, Notes FRN 31oct2027, USD (BK-2027)
1.45%
FHLB, 0% 28aug2026, USD (365D)
1.45%
FHLB, 0% 8oct2026, USD (365D)
1.44%
USA, Notes FRN 30apr2027, USD (BB-2027)
1.30%
US313313F450
1.24%
USA, Bills 0% 29oct2026, USD (364D)
1.23%
USA, Bills 0% 1dec2026, USD (119D)
1.23%
FHLB, 0% 23oct2026, USD (365D)
1.21%
FHLB, 0% 30oct2026, USD (365D)
1.11%
FHLB, 0% 21oct2026, USD (365D)
1.10%
FHLB, 0% 28sep2026, USD (364D)
1.09%
Frequently asked questions about GMMF and SBIL
How have the GMMF and SBIL ETFs performed in 2026?
As of October 16, 2026, GMMF is up 2.8% year-to-date (YTD), while SBIL has returned 2.87%. That puts SBIL better performer ahead so far this year.
Which ETF is attracting more investor money: GMMF or SBIL?
Year-to-date, the GMMF ETF saw +$102M in flows, compared to -$268M for SBIL.
Which ETF is more volatile: GMMF or SBIL?
Over the past year, GMMF had a volatility of 0.1%, while SBIL experienced 0.12%.
Which ETF is bigger: GMMF or SBIL?
As of October 16, 2026, GMMF holds $193.54 M in assets under management (AUM), while SBIL manages $4.14 B.
What sectors do the GMMF and SBIL ETFs invest in?
GMMF leans toward sectors like Sovereign and Government Agencies. Meanwhile, SBIL focuses on Government Agencies and Sovereign.
What are the top holdings of the GMMF ETF and SBIL ETF?
GMMF top holdings include USA, Bills 0% 22sep2026, USD (119D), USA, Bills 0% 1sep2026, USD (119D) and USA, Bills 0% 1oct2026, USD (364D). SBIL holds in its top three: Freddie Mac, FRN 22sep2027, USD, USA, Notes FRN 31jul2027, USD (BF-2027) and FHLB, 0% 27aug2026, USD (365D).
Which ETF is more diversified: GMMF or SBIL?
GMMF holds 153 securities with 64.88% of its assets in the top 15. SBIL has 172 securities and a top 15 weight of 22.61%.
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Latest news about GMMF & SBIL
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