BILvsBILZETF Comparison
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State Street SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) and PIMCO Ultra Short Government Active ETF (BILZ) belong to the same industry segment: Money Market Bonds. Both ETFs have the same top 1 sector exposures: Sovereign. BIL is less expensive with a Total Expense Ratio (TER) of 0.1353%, versus 0.14% for BILZ. BIL is up 2.45% year-to-date (YTD) with +$4.21B in YTD flows. BILZ performs better with 2.46% YTD performance, and +$81M in YTD flows. Run a side-by-side ETF comparison of BIL and BILZ 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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BIL vs BILZ performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BIL BILZ | +0.29%+0.29% | +0.90%+0.92% | +2.45%+2.46% | +3.69%+3.66% | +14.09%+14.25% | +19.40%n/a |
| Flows | BIL BILZ | +$260M-$83M | -$182M-$115M | +$4.21B+$81M | +$5.13B-$8M | +$17.22B+$896M | +$34.89B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BIL BILZ | +0.15%+0.16% | +0.15%+0.16% | +0.19%+0.19% | +0.20%n/a |
| Max drawdown | BIL BILZ | n/an/a | n/an/a | n/an/a | -0.05%n/a |
| Max drawdown duration | BIL BILZ | n/an/a | n/an/a | n/an/a | 259dn/a |
Trading data
BIL | BILZ | |
Last sale 9/10/2026 at 1:30 PM | $91.47 | $100.73 |
| Previous close 09/09/2026 | $91.46 | $100.72 |
| Consolidated volume 09/09/2026 | ||
| 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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BILZ
is actively managed and doesn’t replicate an indexBIL | BILZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/10/2026 at 1:30 PM
Live
Closed
BIL | BILZ | |
|---|---|---|
| Last price | $91.47 | $100.73 |
| 1D performance | +0.01% | +0.01% |
| AuM | $46.95 B | $918.62 M |
| E/R | 0.1353% | 0.14% |
Characteristics
BIL | BILZ | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | State Street Investment Management | PIMCO |
| Benchmark | Bloomberg U.S. Treasury Bills 1-3 Months Index | - |
| N° of holdings | 18 | 5 |
| Asset class | Fixed Income | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 25, 2007 | June 22, 2023 |
| ESG | No | No |
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Exposure
Countries
BIL
USA
98.9%
Other
1.1%
BILZ
USA
100%
Other
-0%
Sectors
BIL
Sovereign
98.9%
Other
1.1%
BILZ
Sovereign
100%
Other
-0%
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Diversification
BIL
Total weight of top 15 holdings out of 15
91.95%
BILZ
Total weight of top 5 holdings out of 5
100%
Top 15 holdings
Data as of July 31, 2026
BIL
USA, Bills 0% 3sep2026, USD (364D)
10.37%
USA, Bills 0% 10sep2026, USD (182D)
10.10%
USA, Bills 0% 29oct2026, USD (364D)
8.05%
USA, Bills 0% 1oct2026, USD (364D)
7.34%
USA, Bills 0% 17sep2026, USD (182D)
7.01%
USA, Bills 0% 24sep2026, USD (182D)
6.94%
USA, Bills 0% 22sep2026, USD (119D)
5.93%
USA, Bills 0% 22oct2026, USD (182D)
5.86%
USA, Bills 0% 8oct2026, USD (182D)
5.76%
USA, Bills 0% 15oct2026, USD (182D)
5.23%
USA, Bills 0% 1sep2026, USD (119D)
5.05%
USA, Bills 0% 15sep2026, USD (119D)
4.72%
USA, Bills 0% 8sep2026, USD (119D)
4.36%
USA, Bills 0% 29sep2026, USD (119D)
2.62%
USA, Bills 0% 27oct2026, USD (119D)
2.61%
BILZ
USA, Bills 0% 27oct2026, USD (119D)
43.97%
USA, Bills 0% 22sep2026, USD (119D)
42.81%
USA, Bills 0% 18aug2026, USD (119D)
7.76%
USA, Bills 0% 15oct2026, USD (182D)
4.67%
USA, Bills 0% 22oct2026, USD (182D)
0.79%
Frequently asked questions about BIL and BILZ
How have the BIL and BILZ ETFs performed in 2026?
As of September 9, 2026, BIL is up 2.45% year-to-date (YTD), while BILZ has returned 2.46%. That puts BILZ better performer ahead so far this year.
Which ETF is attracting more investor money: BIL or BILZ?
Year-to-date, the BIL ETF saw +$4.21B in flows, compared to +$81M for BILZ.
Which ETF is more volatile: BIL or BILZ?
Over the past year, BIL had a volatility of 0.15%, while BILZ experienced 0.16%.
Which ETF is bigger: BIL or BILZ?
As of September 9, 2026, BIL holds $46.95 B in assets under management (AUM), while BILZ manages $918.62 M.
What sectors do the BIL and BILZ ETFs invest in?
BIL leans toward sectors like Sovereign. Meanwhile, BILZ focuses on Sovereign.
What are the top holdings of the BIL ETF and BILZ ETF?
BIL top holdings include USA, Bills 0% 3sep2026, USD (364D), USA, Bills 0% 10sep2026, USD (182D) and USA, Bills 0% 29oct2026, USD (364D). BILZ holds in its top three: USA, Bills 0% 27oct2026, USD (119D), USA, Bills 0% 22sep2026, USD (119D) and USA, Bills 0% 18aug2026, USD (119D).
Which ETF is more diversified: BIL or BILZ?
BIL holds 18 securities with 91.95% of its assets in the top 15. BILZ has 5 securities.
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