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

BILS vs IBDR: Differences, Returns & Fees

BILS's duration was 0.4 years on Jun 30, 2026 and IBDR's 0.2 on Jul 31, 2026; IBDR charges 0.10% to BILS's 0.14%. Net assets on Oct 20, 2026: $3.9bn for State Street SPDR Bloomberg 3-12 Month T-Bill ETF and $2.9bn for iShares iBonds Dec 2026 Term Corporate ETF.

Ask IQ about this page

Ask IQ about BILS and IBDR

Answers cite the figures on this page.

IBDR costs 0.04 points a year less; their one-year returns differ by 0.3 points; BILS is 1.4 times larger.

BILS vs IBDR: Differences, Returns & Fees
BILSIBDR
Expense ratio0.14%0.10%
Net assets$3.9bn$2.9bn
Total return, 1 year+3.6%+3.9%
What it tracksnot read by ETFIQnot read by ETFIQ
Holdings in commonreport dates differ

Holdings in common uses holdings dated Jun 30, 2026 and Jul 31, 2026.

+3.6%
BILS total return, 1 year
+3.9%
IBDR total return, 1 year
0.14%
BILS expense ratio
0.10%
IBDR expense ratio

Get BILS and IBDR 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-755E89DDEE

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

  1. Number of holdings. BILS holds 23 positions and IBDR holds 81.
  2. What each follows (similar). Both follow not read by ETFIQ.
  3. One-year total return (similar). Over 1 year to Oct 20, 2026 BILS returned +3.6% and IBDR +3.9% with distributions reinvested, a gap of 0.3 points.

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.

On the same fields

BILS
State Street SPDR Bloomberg 3-12 Month T-Bill ETF
IBDR
iShares iBonds Dec 2026 Term Corporate ETF
Where it sits Bond ETF Bond ETF
Issuer State Street iShares
What it is Tracks an index Tracks an index
Total return, 1 year +3.6% +3.9%
Expense ratio 0.14% 0.10%
Holdings 23 81
Net assets $3.9bn $2.9bn

BILS and IBDR 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 IBDR

IBDR tracks an index. Over the year to Oct 20, 2026 it returned +3.9% with distributions reinvested. The prospectus expense ratio is 0.10% a year.

Questions people ask

Which returned more over the last year, BILS or IBDR?
In the year to Oct 20, 2026, with distributions reinvested, BILS returned +3.6% and IBDR +3.9%.
Which is cheaper, BILS or IBDR?
IBDR 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 CLIPBILS vs FLDRBILS vs DUSBBILS vs TBUXIBDR vs IBDSBSCR vs IBDRIBDR vs VNLAFLRN vs IBDR
BILS on its own →IBDR on its own →Hold both: look the portfolio through →Rankings →BILS dividend history →BILS holdings →IBDR dividend history →IBDR holdings →Standards and sources →
Where these figures came from
BILS filings on SEC EDGAR ↗BILS prospectus with the expense ratio (SEC) ↗State Street website ↗IBDR filings on SEC EDGAR ↗IBDR prospectus with the expense ratio (SEC) ↗iShares page for IBDR ↗

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

Cite this pageCitation, APA and Markdown

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

Open data

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