WTBNvsBILSETF Comparison
ETF 1
WTBN
WisdomTree Bianco Fixed Income Total Return Fund
This fund is part of
US Aggregate Bonds
-0.25%
VS
ETF 2
BILS
State Street SPDR Bloomberg 3-12 Month T-Bill ETF
This fund is part of
Money Market Bonds
+0.01%
WisdomTree Bianco Fixed Income Total Return Fund (WTBN) belongs to the US Aggregate Bonds segment. State Street SPDR Bloomberg 3-12 Month T-Bill ETF (BILS) is part of the Money Market Bonds segment. WTBN's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, BILS's top sector exposures are Sovereign. WTBN is more expensive with a Total Expense Ratio (TER) of 0.64%, versus 0.1354% for BILS. WTBN is down -2.95% year-to-date (YTD) with +$21M in YTD flows. BILS performs better with 2.75% YTD performance, and +$74M in YTD flows. Run a side-by-side ETF comparison of WTBN and BILS 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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WTBN vs BILS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/19/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | WTBN BILS | -1.17%+0.31% | -2.24%+0.87% | -2.95%+2.75% | -3.23%+3.56% | n/a+13.97% | n/a+19.21% |
| Flows | WTBN BILS | +$5M+$69M | +$5M+$74M | +$21M+$74M | +$32M+$69M | -+$1.11B | -+$3.92B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | WTBN BILS | +4.81%+0.19% | +4.03%+0.18% | n/a+0.22% | n/a+0.27% |
| Max drawdown | WTBN BILS | -3.37%-0.00% | -5.06%-0.00% | n/a-0.00% | n/a-0.36% |
| Max drawdown duration | WTBN BILS | 55d2d | 232d2d | n/a2d | n/a342d |
Trading data
WTBN | BILS | |
Last sale 10/20/2026 at 6:21 PM | $24.14 | $99.25 |
| Previous close 10/19/2026 | $24.08 | $99.25 |
| Consolidated volume 10/19/2026 | ||
| 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
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WTBN | BILS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/20/2026 at 6:21 PM
Live
Closed
WTBN | BILS | |
|---|---|---|
| Last price | $24.14 | $99.25 |
| 1D performance | +0.24% | +0.00% |
| AuM | $103.59 M | $3.93 B |
| E/R | 0.64% | 0.1354% |
Characteristics
WTBN | BILS | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | WisdomTree | State Street Investment Management |
| Benchmark | Bianco Research Fixed Income Index | Bloomberg 3–12 Month U.S. Treasury Bill Index |
| N° of holdings | 10108 | 18 |
| Asset class | Fixed Income | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 20, 2023 | September 23, 2020 |
| ESG | No | No |
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Exposure
Countries
WTBN
USA
76.91%
Other
23.09%
BILS
USA
74.24%
Other
25.76%
Sectors
WTBN
Sovereign
43%
Finance
8.6%
Industrials
7.28%
Other
41.13%
BILS
Sovereign
74.24%
Other
25.76%
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Diversification
WTBN
Total weight of top 15 holdings out of 15
7.86%
BILS
Total weight of top 15 holdings out of 15
75.05%
Top 15 holdings
Data as of August 31, 2026
WTBN
BlackRock Cash Funds - Institutional
1.96%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.47%
USA, Notes 3.875% 15aug2033, USD (E-2033)
0.46%
USA, Notes 4.375% 30nov2030, USD (S-2030)
0.46%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.44%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.44%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.44%
USA, Notes 4% 15nov2035, USD (F-2035)
0.43%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.42%
USA, Notes 4.25% 15may2035, USD (C-2035)
0.42%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.42%
USA, Notes 4% 15feb2034, USD (B-2034)
0.41%
USA, Notes 3.375% 15may2033, USD (C-2033)
0.37%
USA, Notes 1.875% 15feb2032, USD (B-2032)
0.36%
USA, Notes 4% 28feb2030, USD (H-2030)
0.36%
BILS
USA, Bills 0% 21jan2027, USD (364D)
7.28%
USA, Bills 0% 18feb2027, USD (364D)
7.10%
USA, Bills 0% 24dec2026, USD (363D)
7.01%
USA, Bills 0% 7jan2027, USD (182D)
4.60%
USA, Bills 0% 14jan2027, USD (182D)
4.60%
USA, Bills 0% 28jan2027, USD (182D)
4.59%
US912797WB95
4.58%
US912797WC78
4.57%
USA, Bills 0% 3dec2026, USD (182D)
4.49%
USA, Bills 0% 10dec2026, USD (182D)
4.48%
USA, Bills 0% 17dec2026, USD (182D)
4.48%
USA, Bills 0% 4feb2027, USD (182D)
4.43%
USA, Bills 0% 31dec2026, USD (182D)
4.43%
US912797WG82
4.20%
US912797WH65
4.20%
Frequently asked questions about WTBN and BILS
How have the WTBN and BILS ETFs performed in 2026?
As of October 19, 2026, WTBN is down -2.95% year-to-date (YTD), while BILS has returned 2.75%. That puts BILS better performer ahead so far this year.
Which ETF is attracting more investor money: WTBN or BILS?
Year-to-date, the WTBN ETF saw +$21M in flows, compared to +$74M for BILS.
Which ETF is more volatile: WTBN or BILS?
Over the past year, WTBN had a volatility of 4.03%, while BILS experienced 0.18%.
Which ETF is bigger: WTBN or BILS?
As of October 19, 2026, WTBN holds $103.59 M in assets under management (AUM), while BILS manages $3.93 B.
What sectors do the WTBN and BILS ETFs invest in?
WTBN leans toward sectors like Sovereign, Finance and Industrials. Meanwhile, BILS focuses on Sovereign.
What are the top holdings of the WTBN ETF and BILS ETF?
WTBN top holdings include BlackRock Cash Funds - Institutional, USA, Notes 4.125% 15feb2036, USD (B-2036) and USA, Notes 3.875% 15aug2033, USD (E-2033). BILS holds in its top three: USA, Bills 0% 21jan2027, USD (364D), USA, Bills 0% 18feb2027, USD (364D) and USA, Bills 0% 24dec2026, USD (363D).
Which ETF is more diversified: WTBN or BILS?
WTBN holds 18463 securities with 7.86% of its assets in the top 15. BILS has 23 securities and a top 15 weight of 75.05%.
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Latest news about WTBN & BILS
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