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BIL vs TFLO: Differences, Returns & Fees

BIL's duration was 0.2 years on Jun 30, 2026 and TFLO's 0.0 on Jul 31, 2026; BIL charges 0.14% to TFLO's 0.15%. Net assets on Oct 20, 2026: $51.1bn for SPDR Bloomberg 1-3 Month T-Bill ETF and $7.2bn for iShares Treasury Floating Rate Bond ETF.

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Answers cite the figures on this page.

BIL costs 0.01 points a year less; their one-year returns differ by 0.3 points; BIL is 7.1 times larger.

BIL vs TFLO: Differences, Returns & Fees
BILTFLO
Expense ratio0.14%0.15%
Net assets$51.1bn$7.2bn
Total return, 1 year+3.7%+4.0%
What it tracks1-3 month T-billsBloomberg U.S. Treasury Floating Rate Index
Holdings in commonreport dates differ

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

+3.7%
BIL total return, 1 year
+4.0%
TFLO total return, 1 year
0.14%
BIL expense ratio
0.15%
TFLO expense ratio

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Client brief · page 1 of 2Report BR-BAA3B7E22E

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

  1. What each follows. BIL follows 1-3 month T-bills and TFLO follows Bloomberg U.S. Treasury Floating Rate Index.
  2. Size. BIL has $51.1bn in net assets and TFLO $7.2bn (Net assets); BIL is 7.1 times larger.
  3. One-year total return (similar). Over 1 year to Oct 20, 2026 BIL returned +3.7% and TFLO +4.0% 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.

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On the same fields

BIL
SPDR Bloomberg 1-3 Month T-Bill ETF
TFLO
iShares Treasury Floating Rate Bond ETF
Where it sits Bond ETF Bond ETF
Issuer State Street iShares
What it is Tracks an index of 1-3 month T-bills Tracks an index
Total return, 1 year +3.7% +4.0%
Its benchmark over the same days not measured +4.0% (USFR)
Gap to its benchmark not measured −0.1 pts vs USFR
Expense ratio 0.14% 0.15%
Holdings 18 8
Net assets $51.1bn $7.2bn

BIL and TFLO 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 TFLO

TFLO tracks an index. Over the year to Oct 20, 2026 it returned +4.0% with distributions reinvested, against +4.0% for its benchmark, the Bloomberg U.S. Treasury Floating Rate Index. The prospectus expense ratio is 0.15% a year.

Questions people ask

Which returned more over the last year, BIL or TFLO?
In the year to Oct 20, 2026, with distributions reinvested, BIL returned +3.7% and TFLO +4.0%.
Which is cheaper, BIL or TFLO?
BIL is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
BIL vs TBILBIL vs VUSBBIL vs BSCRBIL vs FLOTJPST vs TFLOSHV vs TFLOPULS vs TFLOTFLO vs USFR
BIL on its own →TFLO on its own →Hold both: look the portfolio through →Rankings →BIL dividend history →BIL holdings →TFLO dividend history →TFLO holdings →Standards and sources →
Where these figures came from
BIL filings on SEC EDGAR ↗BIL prospectus with the expense ratio (SEC) ↗State Street website ↗TFLO filings on SEC EDGAR ↗TFLO prospectus with the expense ratio (SEC) ↗iShares page for TFLO ↗

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

Open data

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