Which returned more over the last year, BIL or BILS?

In the year to Oct 20, 2026, with distributions reinvested, BIL returned +3.7% and BILS +3.6%.

Which is cheaper, BIL or BILS?

Neither: BIL and BILS both charge 0.14% a year. Fees come from each fund's prospectus.

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BIL vs BILS: Differences, Returns & Fees

On Jun 30, 2026 BIL's duration was 0.2 years and BILS's 0.4; both charge 0.14%. Net assets on Oct 20, 2026: $51.1bn for SPDR Bloomberg 1-3 Month T-Bill ETF and $3.9bn for State Street SPDR Bloomberg 3-12 Month T-Bill ETF.

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Answers cite the figures on this page.

Both cost 0.14% a year; their one-year returns differ by 0.1 points; BIL is 12.9 times larger.

BIL vs BILS: Differences, Returns & Fees
	BIL	BILS
Expense ratio	0.14%	0.14%
Net assets	$51.1bn	$3.9bn
Total return, 1 year	+3.7%	+3.6%
What it tracks	1-3 month T-bills	not read by ETFIQ
Holdings in common	14%

Holdings in common uses holdings dated Jun 30, 2026.

+3.7%

BIL total return, 1 year

+3.6%

BILS total return, 1 year

0.14%

BIL expense ratio

0.14%

BILS expense ratio

Client brief · page 1 of 2Report BR-56B3798599

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

What each follows. BIL follows 1-3 month T-bills and BILS follows not read by ETFIQ.
Holdings in common. 14% of the weight is in the same securities (holdings dated Jun 30, 2026).
Size. BIL has $51.1bn in net assets and BILS $3.9bn (Net assets); BIL is 13.1 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, BIL and BILS hold 14% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026.

50%

half

14% in common

Positions both hold, largest shared weight first

Holding BIL BILS

U.S. Treasury Bills, due Sep 24, 2026 6.97% 4.40%

U.S. Treasury Bills, due Sep 10, 2026 6.98% 4.29%

U.S. Treasury Bills, due Sep 22, 2026 2.69% 3.80%

U.S. Treasury Bills, due Sep 29, 2026 2.22% 3.69%

Only in BIL

U.S. Treasury Bills, due Aug 6, 2026 12.04%

U.S. Treasury Bills, due Sep 3, 2026 9.04%

U.S. Treasury Bills, due Aug 27, 2026 7.22%

U.S. Treasury Bills, due Sep 17, 2026 7.03%

U.S. Treasury Bills, due Aug 13, 2026 6.85%

U.S. Treasury Bills, due Aug 20, 2026 6.49%

U.S. Treasury Bills, due Aug 25, 2026 6.00%

U.S. Treasury Bills, due Aug 11, 2026 5.82%

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%

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On the same fields

BIL

SPDR Bloomberg 1-3 Month T-Bill ETF

BILS

State Street SPDR Bloomberg 3-12 Month T-Bill ETF

Where it sits Bond ETF Bond ETF

Issuer State Street State Street

What it is Tracks an index of 1-3 month T-bills Tracks an index

Total return, 1 year +3.7% +3.6%

Expense ratio 0.14% 0.14%

Holdings 18 23

Net assets $51.1bn $3.9bn

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

About BIL

BIL tracks an index of 1-3 month T-bills. Over the year to Oct 20, 2026 it returned +3.7% with distributions reinvested. The prospectus expense ratio is 0.14% a year.

About BILS

BILS tracks an index. Over the year to Oct 20, 2026 it returned +3.6% with distributions reinvested.

Questions people ask

Which returned more over the last year, BIL or BILS?: In the year to Oct 20, 2026, with distributions reinvested, BIL returned +3.7% and BILS +3.6%.
Which is cheaper, BIL or BILS?: Neither: BIL and BILS both charge 0.14% a year. Fees come from each fund's prospectus.

Other comparisons

BIL vs GSY BIL vs IBDS BIL vs FLTR BIL vs BSCR BILS vs JPST BILS vs SHV BILS vs PULS BILS vs USFR

BIL on its own →BILS on its own →Hold both: look the portfolio through →Rankings →BIL dividend history →BIL holdings →BILS dividend history →BILS holdings →Standards and sources →

Where these figures came from

BIL and BILS filings on SEC EDGAR ↗BIL and BILS prospectus with the expense ratio (SEC) ↗State Street website ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

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

Open data

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