PMMFvsBILETF Comparison
VS
ETF 2
BIL
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
This fund is part of
Money Market Bonds
+0.03%
iShares Prime Money Market ETF (PMMF) and State Street SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) belong to the same industry segment: Money Market Bonds. PMMF's top 2 sector exposures are Government Agencies and Finance. In contrast, BIL's top sector exposures are Sovereign. PMMF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.1353% for BIL. PMMF is up 2.9% year-to-date (YTD) with +$366M in YTD flows. BIL performs worse with 2.86% YTD performance, and +$8.42B in YTD flows. Run a side-by-side ETF comparison of PMMF and BIL 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
PMMF vs BIL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PMMF BIL | +0.32%+0.34% | +0.93%+0.94% | +2.90%+2.86% | +3.75%+3.69% | n/a+13.96% | n/a+19.88% |
| Flows | PMMF BIL | +$50M+$3.54B | +$137M+$4.51B | +$366M+$8.42B | +$425M+$8.83B | -+$17.48B | -+$38.26B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PMMF BIL | +0.14%+0.15% | +0.14%+0.15% | n/a+0.19% | n/a+0.20% |
| Max drawdown | PMMF BIL | n/an/a | n/an/a | n/an/a | n/a-0.04% |
| Max drawdown duration | PMMF BIL | n/an/a | n/an/a | n/an/a | n/a213d |
Trading data
PMMF | BIL | |
Last sale 10/16/2026 at 1:30 PM | $91.57 | |
| Previous close 10/15/2026 | $91.54 | |
| Consolidated volume 10/15/2026 | ||
| 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
PMMF
is actively managed and doesn’t replicate an indexPMMF | BIL | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
PMMF | BIL | |
|---|---|---|
| Last price | – | $91.57 |
| 1D performance | – | +0.03% |
| AuM | $787.14 M | $51.20 B |
| E/R | 0.2% | 0.1353% |
Characteristics
PMMF | BIL | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. Treasury Bills 1-3 Months Index |
| N° of holdings | 3 | 18 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 4, 2025 | May 25, 2007 |
| ESG | No | No |
Advertisement
Exposure
Countries
PMMF
Data will be available soon
BIL
USA
99.46%
Other
0.54%
Sectors
PMMF
Data will be available soon
BIL
Sovereign
99.46%
Other
0.54%
Advertisement
Diversification
PMMF
Data will be available soon
BIL
Total weight of top 15 holdings out of 15
93.7%
Top 15 holdings
Data as of August 31, 2026
PMMF
Data will be available soon
BIL
USA, Bills 0% 29oct2026, USD (364D)
10.18%
USA, Bills 0% 8oct2026, USD (182D)
9.98%
USA, Bills 0% 27nov2026, USD (364D)
8.39%
USA, Bills 0% 22oct2026, USD (182D)
6.92%
USA, Bills 0% 6oct2026, USD (119D)
6.63%
USA, Bills 0% 5nov2026, USD (182D)
6.30%
USA, Bills 0% 12nov2026, USD (182D)
6.30%
USA, Bills 0% 19nov2026, USD (182D)
6.29%
USA, Bills 0% 15oct2026, USD (182D)
6.29%
USA, Bills 0% 13oct2026, USD (119D)
6.25%
USA, Bills 0% 20oct2026, USD (119D)
5.98%
USA, Bills 0% 27oct2026, USD (119D)
4.71%
USA, Bills 0% 10nov2026, USD (119D)
4.22%
USA, Bills 0% 17nov2026, USD (119D)
2.73%
USA, Bills 0% 3nov2026, USD (119D)
2.52%
Frequently asked questions about PMMF and BIL
How have the PMMF and BIL ETFs performed in 2026?
As of October 16, 2026, PMMF is up 2.9% year-to-date (YTD), while BIL has returned 2.86%. That puts PMMF better performer ahead so far this year.
Which ETF is attracting more investor money: PMMF or BIL?
Year-to-date, the PMMF ETF saw +$366M in flows, compared to +$8.42B for BIL.
Which ETF is more volatile: PMMF or BIL?
Over the past year, PMMF had a volatility of 0.14%, while BIL experienced 0.15%.
Which ETF is bigger: PMMF or BIL?
As of October 16, 2026, PMMF holds $787.14 M in assets under management (AUM), while BIL manages $51.20 B.
What are the top holdings of the PMMF ETF and BIL ETF?
PMMF top holdings include US80414PJ310, US46223WAF05 and US93930NBL29. BIL holds in its top three: USA, Bills 0% 29oct2026, USD (364D), USA, Bills 0% 8oct2026, USD (182D) and USA, Bills 0% 27nov2026, USD (364D).
Which ETF is more diversified: PMMF or BIL?
PMMF holds 115 securities with 6.37% of its assets in the top 15. BIL has 18 securities and a top 15 weight of 93.7%.
Advertisement
Latest news about PMMF & BIL
The Weekly ETF Market Monitor (September 28-October 2, 2026)
October 2, 2026
BIL
Replace Your Savings Account and CDs With These Low-Risk ETFs
November 13, 2024
BIL
3 Cash-Like ETFs for Sleeping Well at Night
June 5, 2024
BIL
Low Risk Treasury Bill ETFs Are Now Yielding 5% and Above
October 2, 2023
BIL
Advertisement
ETF Insights: Top 5 Fund Flows and Segments for August 2023
September 7, 2023
BIL
ETF Insights: Top 5 Fund Flows and Segments for August 2023
September 7, 2023
BIL
10-Year Treasury Yield Rises to 4.3% in a Return to October 2007 Highs
August 23, 2023
BIL
Fed Hikes Interest Rates to 22 Year Highs: ETF Types to Watch
August 2, 2023
BIL
Advertisement
