PMMFvsGBILETF Comparison
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iShares Prime Money Market ETF (PMMF) and Goldman Sachs Access Treasury 0-1 Year ETF (GBIL) belong to the same industry segment: Money Market Bonds. PMMF's top 2 sector exposures are Finance and Government Agencies. In contrast, GBIL's top sector exposures are Sovereign. PMMF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.14% for GBIL. PMMF is up 2.44% year-to-date (YTD) with +$292M in YTD flows. GBIL performs worse with 2.33% YTD performance, and +$958M in YTD flows. Run a side-by-side ETF comparison of PMMF and GBIL 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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PMMF vs GBIL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PMMF GBIL | +0.30%+0.31% | +0.91%+0.89% | +2.44%+2.33% | +3.82%+3.70% | n/a+14.16% | n/a+18.79% |
| Flows | PMMF GBIL | +$48M+$52M | +$97M+$46M | +$292M+$958M | +$409M+$1.39B | -+$1.63B | -+$5.78B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PMMF GBIL | +0.14%+0.19% | +0.14%+0.17% | n/a+0.21% | n/a+0.26% |
| Max drawdown | PMMF GBIL | n/an/a | n/a-0.00% | n/a-0.00% | n/a-0.30% |
| Max drawdown duration | PMMF GBIL | n/an/a | n/a2d | n/a2d | n/a335d |
Trading data
PMMF | GBIL | |
Last sale 9/3/2026 at 5:14 PM | $99.91 | |
| Previous close 09/02/2026 | $99.89 | |
| Consolidated volume 09/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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PMMF
is actively managed and doesn’t replicate an indexPMMF | GBIL | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/3/2026 at 5:14 PM
Live
Closed
PMMF | GBIL | |
|---|---|---|
| Last price | – | $99.91 |
| 1D performance | – | +0.02% |
| AuM | $712.85 M | $7.63 B |
| E/R | 0.2% | 0.14% |
Characteristics
PMMF | GBIL | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | iShares | Goldman Sachs |
| Benchmark | - | FTSE U.S. Treasury 0-1 Year Composite Select Index |
| N° of holdings | 4 | 37 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 4, 2025 | September 6, 2016 |
| ESG | No | No |
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Exposure
Countries
PMMF
Data will be available soon
GBIL
USA
90.49%
Other
9.51%
Sectors
PMMF
Data will be available soon
GBIL
Sovereign
90.49%
Other
9.51%
Diversification
PMMF
Data will be available soon
GBIL
Total weight of top 15 holdings out of 15
57.81%
Top 15 holdings
Data as of July 31, 2026
PMMF
Data will be available soon
GBIL
USA, Bills 0% 22sep2026, USD (119D)
7.65%
USA, Notes 4.125% 31jan2027, USD (AW-2027)
4.63%
USA, Bills 0% 6aug2026, USD (364D)
4.56%
USA, Bills 0% 4aug2026, USD (119D)
4.38%
USA, Bills 0% 18aug2026, USD (119D)
4.29%
USA, Bills 0% 24sep2026, USD (182D)
3.89%
USA, Notes 3.5% 30sep2026, USD (BH-2026)
3.82%
USA, Notes 3.875% 31mar2027, USD (AZ-2027)
3.65%
USA, Notes 3.75% 30apr2027, USD (BA-2027)
3.65%
USA, Bills 0% 25aug2026, USD (119D)
3.41%
USA, Notes 4.125% 28feb2027, USD (AY-2027)
3.31%
USA, Bills 0% 29oct2026, USD (364D)
2.82%
USA, Bills 0% 27nov2026, USD (364D)
2.75%
USA, Notes 4.5% 15may2027, USD (AN-2027)
2.61%
USA, Notes 4.25% 30nov2026, USD (BL-2026)
2.39%
Frequently asked questions about PMMF and GBIL
How have the PMMF and GBIL ETFs performed in 2026?
As of September 2, 2026, PMMF is up 2.44% year-to-date (YTD), while GBIL has returned 2.33%. That puts PMMF better performer ahead so far this year.
Which ETF is attracting more investor money: PMMF or GBIL?
Year-to-date, the PMMF ETF saw +$292M in flows, compared to +$958M for GBIL.
Which ETF is more volatile: PMMF or GBIL?
Over the past year, PMMF had a volatility of 0.14%, while GBIL experienced 0.17%.
Which ETF is bigger: PMMF or GBIL?
As of September 2, 2026, PMMF holds $712.85 M in assets under management (AUM), while GBIL manages $7.63 B.
What are the top holdings of the PMMF ETF and GBIL ETF?
PMMF top holdings include US46223WAF05, US89115M3R51 and US31845TAN00. GBIL holds in its top three: USA, Bills 0% 22sep2026, USD (119D), USA, Notes 4.125% 31jan2027, USD (AW-2027) and USA, Bills 0% 6aug2026, USD (364D).
Which ETF is more diversified: PMMF or GBIL?
PMMF holds 114 securities with 5.6% of its assets in the top 15. GBIL has 37 securities and a top 15 weight of 57.81%.
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