SBILvsGMMFETF Comparison
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Simplify Government Money Market ETF (SBIL) and iShares Government Money Market ETF (GMMF) belong to the same industry segment: Money Market Bonds. SBIL's top 2 sector exposures are Government Agencies and Sovereign. In contrast, GMMF's top sector exposures are Sovereign and Government Agencies. SBIL is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.2% for GMMF. SBIL is up 2.87% year-to-date (YTD) with -$268M in YTD flows. GMMF performs worse with 2.8% YTD performance, and +$102M in YTD flows. Run a side-by-side ETF comparison of SBIL and GMMF 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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SBIL vs GMMF performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SBIL GMMF | +0.33%+0.32% | +0.93%+0.91% | +2.87%+2.80% | +3.71%+3.62% | n/an/a | n/an/a |
| Flows | SBIL GMMF | -$575M+$3M | -$873M+$14M | -$268M+$102M | +$684M+$109M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SBIL GMMF | +0.12%+0.10% | +0.12%+0.10% | n/an/a | n/an/a |
| Max drawdown | SBIL GMMF | n/an/a | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | SBIL GMMF | n/an/a | n/an/a | n/an/a | n/an/a |
Trading data
SBIL | GMMF | |
Last sale 10/16/2026 at 1:30 PM | $100.26 | |
| Previous close 10/15/2026 | $100.22 | |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
SBIL | GMMF | |
|---|---|---|
| Last price | $100.26 | – |
| 1D performance | +0.04% | – |
| AuM | $4.14 B | $193.54 M |
| E/R | 0.15% | 0.2% |
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Exposure
Countries
SBIL
USA
70.39%
Other
29.61%
GMMF
USA
92.27%
Other
7.73%
Sectors
SBIL
Government Agenci.
45.34%
Sovereign
25.05%
Other
29.61%
GMMF
Sovereign
76.23%
Government Agenci.
16.05%
Other
7.73%
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Diversification
SBIL
Total weight of top 15 holdings out of 15
22.61%
GMMF
Total weight of top 15 holdings out of 15
64.88%
Top 15 holdings
Data as of August 31, 2026
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%
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%
Frequently asked questions about SBIL and GMMF
How have the SBIL and GMMF ETFs performed in 2026?
As of October 16, 2026, SBIL is up 2.87% year-to-date (YTD), while GMMF has returned 2.8%. That puts SBIL better performer ahead so far this year.
Which ETF is attracting more investor money: SBIL or GMMF?
Year-to-date, the SBIL ETF saw -$268M in flows, compared to +$102M for GMMF.
Which ETF is more volatile: SBIL or GMMF?
Over the past year, SBIL had a volatility of 0.12%, while GMMF experienced 0.1%.
Which ETF is bigger: SBIL or GMMF?
As of October 16, 2026, SBIL holds $4.14 B in assets under management (AUM), while GMMF manages $193.54 M.
What sectors do the SBIL and GMMF ETFs invest in?
SBIL leans toward sectors like Government Agencies and Sovereign. Meanwhile, GMMF focuses on Sovereign and Government Agencies.
What are the top holdings of the SBIL ETF and GMMF ETF?
SBIL top holdings include Freddie Mac, FRN 22sep2027, USD, USA, Notes FRN 31jul2027, USD (BF-2027) and FHLB, 0% 27aug2026, USD (365D). GMMF holds in its top three: USA, Bills 0% 22sep2026, USD (119D), USA, Bills 0% 1sep2026, USD (119D) and USA, Bills 0% 1oct2026, USD (364D).
Which ETF is more diversified: SBIL or GMMF?
SBIL holds 172 securities with 22.61% of its assets in the top 15. GMMF has 153 securities and a top 15 weight of 64.88%.
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Latest news about SBIL & GMMF
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