A
vs
B
Share
Compare their flowsAsk IQ about these two funds

BILS vs VUSB: Differences, Returns & Fees

On Jun 30, 2026 BILS's duration was 0.4 years and VUSB's 1.0; VUSB charges 0.10% 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 $9.9bn on Sep 30, 2026 for Vanguard Ultra-Short Bond ETF.

Ask IQ about this page

Ask IQ about BILS and VUSB

Answers cite the figures on this page.

VUSB costs 0.04 points a year less; their one-year returns differ by 0.2 points; VUSB is 2.5 times larger.

BILS vs VUSB: Differences, Returns & Fees
BILSVUSB
Expense ratio0.14%0.10%
Net assets, as of Sep 30, 2026$3.9bn$9.9bn
Total return, 1 year+3.6%+3.4%
What it tracksnot read by ETFIQNo index, actively managed
Holdings in common1%

Holdings in common uses holdings dated Jun 30, 2026.

+3.6%
BILS total return, 1 year
+3.4%
VUSB total return, 1 year
0.14%
BILS expense ratio
0.10%
VUSB expense ratio

Get BILS's fund flows by email, every Monday.

Plus the Friday ETF note. Confirm from the link that arrives, and unsubscribe in one click. See Privacy.

Client brief · page 1 of 2Report BR-85DBC7A7C9

BILS and VUSB 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 VUSB follows No index, actively managed.
  2. Holdings in common. 1% of the weight is in the same securities (holdings dated Jun 30, 2026).
  3. Number of holdings. BILS holds 23 positions and VUSB holds 1344.

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.

Take this comparison to a client

The two-page PDF for this pair is coming. Save the comparison to follow its changes. Free. It needs an email sign-in, once.

Not advice. The brief uses the figures on this page, with the data date and a report id. Saved comparisons are listed on your saved page; privacy.

What they hold in common

By the books each fund has filed, BILS and VUSB hold 1% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026.

half

1% in common

Positions both hold, largest shared weight first
Holding BILS VUSB
U.S. Treasury Bills, due Jun 10, 2027 1.25% 4.19%
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 Sep 24, 2026 4.40%
U.S. Treasury Bills, due Sep 10, 2026 4.29%
Only in VUSB
US TREASURY N/B, due Jul 31, 2027 0.67%
PNC FINANCIAL, due Oct 26, 2029 0.58%
US TREASURY N/B, due Jun 30, 2028 0.52%
REGIONS BANKS, due Jul 27, 2029 0.51%
US BANCORP, due Jun 12, 2029 0.50%
CHARLES SCHWAB, due Jul 27, 2029 0.49%
TRUIST BANK, due Jul 24, 2028 0.44%
WFLOOR 2025-1A A, due Oct 15, 2029 0.44%

Check overlap with more funds →

On the same fields

BILS
State Street SPDR Bloomberg 3-12 Month T-Bill ETF
VUSB
Vanguard Ultra-Short Bond ETF
Where it sits Bond ETF Bond ETF
Issuer State Street Vanguard
What it is Tracks an index Actively managed
Total return, 1 year +3.6% +3.4%
Its benchmark over the same days not measured −1.9% (AGG)
Gap to its benchmark not measured +5.3 pts vs AGG
Expense ratio 0.14% 0.10%
Holdings 23 1344
Net assets, BILS as of Oct 20, 2026 and VUSB as of Sep 30, 2026 $3.9bn $9.9bn

BILS and VUSB 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 VUSB

VUSB is actively managed and tracks no index. Over the year to Oct 20, 2026 it returned +3.4% with distributions reinvested, against −1.9% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.10% a year.

Questions people ask

Which returned more over the last year, BILS or VUSB?
In the year to Oct 20, 2026, with distributions reinvested, BILS returned +3.6% and VUSB +3.4%.
Which is cheaper, BILS or VUSB?
VUSB is cheaper, by 0.04 percentage points a year. That is about $4 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
BILS vs IBDSBILS vs GSYBILS vs VNLABILS vs TBLLGSY vs VUSBIBDS vs VUSBFLTR vs VUSBBSCR vs VUSB
BILS on its own →VUSB on its own →Hold both: look the portfolio through →Rankings →BILS dividend history →BILS holdings →VUSB dividend history →VUSB holdings →Standards and sources →
Where these figures came from
BILS filings on SEC EDGAR ↗BILS prospectus with the expense ratio (SEC) ↗State Street website ↗VUSB filings on SEC EDGAR ↗VUSB prospectus with the expense ratio (SEC) ↗Vanguard page for VUSB ↗

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

Open data

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