BILvsTBILETF Comparison
ETF 1
BIL
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
This fund is part of
Money Market Bonds
+0.03%
VS
State Street SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) and F/m US Treasury 3 Month Bill ETF (TBIL) have similar underlying exposures to countries and sectors. They also belong to the same industry segment: Money Market Bonds. BIL is less expensive with a Total Expense Ratio (TER) of 0.1353%, versus 0.15% for TBIL. BIL is up 0.9% year-to-date (YTD) with +$8.10B in YTD flows. TBIL performs better with 0.9% YTD performance, and +$707M in YTD flows. Run a side-by-side ETF comparison of BIL and TBIL 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 TBIL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BIL TBIL | +0.33%+0.34% | +0.87%+0.87% | +0.90%+0.90% | +4.02%+4.08% | +14.82%+14.86% | +17.53%n/a |
| Flows | BIL TBIL | +$7.65B+$614M | +$8.10B+$707M | +$8.10B+$707M | +$9.90B+$1.67B | +$20.78B+$6.41B | +$38.45B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BIL TBIL | +0.14%+0.17% | +0.16%+0.17% | +0.19%+0.20% | +0.21%n/a |
| Max drawdown | BIL TBIL | n/an/a | n/an/a | n/an/a | -0.10%n/a |
| Max drawdown duration | BIL TBIL | n/an/a | n/an/a | n/an/a | 451dn/a |
Trading data
BIL | TBIL | |
Last sale 4/2/2026 at 1:30 PM | $91.42 | $49.88 |
| Previous close 04/02/2026 | $91.40 | $49.86 |
| Consolidated volume 04/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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BIL | TBIL | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 4/2/2026 at 1:30 PM
Live
Closed
BIL | TBIL | |
|---|---|---|
| Last price | $91.42 | $49.88 |
| 1D performance | +0.02% | +0.04% |
| AuM | $50.81 B | $7.01 B |
| E/R | 0.1353% | 0.15% |
Characteristics
BIL | TBIL | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | SPDR | F/m Investments |
| Benchmark | Bloomberg U.S. Treasury Bills 1-3 Months Index | Bloomberg US Treasury Bellwether 3M Index |
| N° of holdings | 1 | 1 |
| Asset class | Fixed Income | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 25, 2007 | August 9, 2022 |
| ESG | No | No |
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Exposure
Countries
BIL
USA
99.05%
Other
0.95%
TBIL
USA
100%
Sectors
BIL
Other
100%
TBIL
Other
100%
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Diversification
BIL
Total weight of top 15 holdings out of 15
93.93%
TBIL
Total weight of top 5 holdings out of 5
100%
Top 15 holdings
Data as of February 28, 2026
BIL
US912797SD08
9.61%
US912797SL24
9.51%
US912797QN08
8.21%
US912797QD26
8.18%
US912797SM07
6.54%
US912797SN89
6.54%
US912797SV06
6.38%
US912797SW88
6.38%
US912797TG20
6.35%
US912797TJ68
6.35%
US912797SP38
6.28%
US912797TH03
6.12%
US912797TK32
2.68%
US912797TR84
2.51%
US912797TL15
2.28%
TBIL
US912797SN89
55.06%
US912797SP38
20.60%
US912797QN08
13.80%
US912797SV06
10.22%
US912797SW88
0.32%
Frequently asked questions about BIL and TBIL
How have the BIL and TBIL ETFs performed in 2026?
As of April 2, 2026, BIL is up 0.9% year-to-date (YTD), while TBIL has returned 0.9%. That puts TBIL better performer ahead so far this year.
Which ETF is attracting more investor money: BIL or TBIL?
Year-to-date, the BIL ETF saw +$8.10B in flows, compared to +$707M for TBIL.
Which ETF is more volatile: BIL or TBIL?
Over the past year, BIL had a volatility of 0.16%, while TBIL experienced 0.17%.
Which ETF is bigger: BIL or TBIL?
As of April 2, 2026, BIL holds $50.81 B in assets under management (AUM), while TBIL manages $7.01 B.
What are the top holdings of the BIL ETF and TBIL ETF?
BIL top holdings include US912797SD08, US912797SL24 and US912797QN08. TBIL holds in its top three: US912797SN89, US912797SP38 and US912797QN08.
Which ETF is more diversified: BIL or TBIL?
BIL holds 18 securities with 93.93% of its assets in the top 15. TBIL has 5 securities.
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