BILS vs VBIL: Differences, Returns & Fees

On Jun 30, 2026 BILS's duration was 0.4 years and VBIL's 0.1; VBIL charges 0.06% to BILS's 0.14%. Net assets: $3.9bn on Oct 20, 2026 for State Street SPDR Bloomberg 3-12 Month T-Bill ETF, and $12.8bn on Sep 30, 2026 for Vanguard 0-3 Month Treasury Bill ETF.

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Answers cite the figures on this page.

VBIL costs 0.08 points a year less; their one-year returns differ by 0.1 points; VBIL is 3.3 times larger.

BILS vs VBIL: Differences, Returns & Fees
BILSVBIL
Expense ratio0.14%0.06%
Net assets, as of Sep 30, 2026$3.9bn$12.8bn
Total return, 1 year+3.6%+3.7%
What it tracksnot read by ETFIQBloomberg U.S. Treasury Bills 0-3 Months Index
Holdings in common10%

Holdings in common uses holdings dated Jun 30, 2026.

+3.6%
BILS total return, 1 year
+3.7%
VBIL total return, 1 year
0.14%
BILS expense ratio
0.06%
VBIL expense ratio

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Client brief · page 1 of 2Report BR-6CAAB8CFFA

BILS and VBIL are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. BILS follows not read by ETFIQ and VBIL follows Bloomberg U.S. Treasury Bills 0-3 Months Index.
  2. Holdings in common. 10% of the weight is in the same securities (holdings dated Jun 30, 2026).
  3. Size. BILS has $3.9bn in net assets and VBIL $12.8bn (net assets, as of Sep 30, 2026); VBIL is 3.3 times larger.

Data as of Oct 20, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.

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What they hold in common

By the books each fund has filed, BILS and VBIL hold 10% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026.

half

10% in common

Positions both hold, largest shared weight first
Holding BILS VBIL
U.S. Treasury Bills, due Sep 24, 2026 4.40% 3.64%
U.S. Treasury Bills, due Sep 10, 2026 4.29% 3.63%
U.S. Treasury Bills, due Sep 29, 2026 3.69% 1.42%
U.S. Treasury Bills, due Sep 22, 2026 3.80% 1.40%
Only in BILS
U.S. Treasury Bills, due Oct 1, 2026 6.87%
U.S. Treasury Bills, due Oct 29, 2026 6.70%
U.S. Treasury Bills, due Nov 27, 2026 6.44%
U.S. Treasury Bills, due Dec 24, 2026 5.34%
U.S. Treasury Bills, due Oct 8, 2026 4.47%
U.S. Treasury Bills, due Oct 15, 2026 4.47%
U.S. Treasury Bills, due Oct 22, 2026 4.21%
U.S. Treasury Bills, due Nov 5, 2026 4.17%
Only in VBIL
TREASURY BILL, due Jul 9, 2026 6.78%
TREASURY BILL, due Aug 6, 2026 6.10%
TREASURY BILL, due Jul 2, 2026 5.61%
TREASURY BILL, due Jul 16, 2026 5.41%
TREASURY BILL, due Jul 23, 2026 5.18%
TREASURY BILL, due Jul 14, 2026 5.17%
TREASURY BILL, due Jul 21, 2026 5.15%
TREASURY BILL, due Jul 30, 2026 5.12%

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On the same fields

BILS
State Street SPDR Bloomberg 3-12 Month T-Bill ETF
VBIL
Vanguard 0-3 Month Treasury Bill ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index Tracks an index of 0-3 Month Treasury Bill
Total return, 1 year +3.6% +3.7%
Expense ratio 0.14% 0.06%
Holdings 23 28
Net assets, BILS as of Oct 20, 2026 and VBIL as of Sep 30, 2026 $3.9bn $12.8bn

BILS and VBIL on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.

About BILS

BILS tracks an index. Over the year to Oct 20, 2026 it returned +3.6% with distributions reinvested. The prospectus expense ratio is 0.14% a year.

About VBIL

VBIL tracks an index of 0-3 Month Treasury Bill. Over the year to Oct 20, 2026 it returned +3.7% with distributions reinvested. The prospectus expense ratio is 0.06% a year.

Questions people ask

Which returned more over the last year, BILS or VBIL?
In the year to Oct 20, 2026, with distributions reinvested, BILS returned +3.6% and VBIL +3.7%.
Which is cheaper, BILS or VBIL?
VBIL is cheaper, by 0.08 percentage points a year. That is about $8 on $10,000 held for a year. Fees come from each fund's prospectus.
Cite this pageCitation, APA and Markdown

ETFIQ, BILS against VBIL, data as of Oct 20, 2026. https://etfiq.com/compare/any/bils-vs-vbil

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.