IBTG vs TBIL: Differences, Returns & Fees

IBTG's duration was 0.2 years on Jul 31, 2026 and TBIL's 0.2 on May 31, 2026; IBTG charges 0.07% to TBIL's 0.15%. Net assets: $1.9bn on Oct 20, 2026 for iShares iBonds Dec 2026 Term Treasury ETF, and $7.6bn on Oct 19, 2026 for F/m US Treasury 3 Month Bill Fund.

Ask IQ about this page

Ask IQ about IBTG and TBIL

Answers cite the figures on this page.

IBTG costs 0.08 points a year less; their one-year returns differ by 0.1 points; TBIL is 4.1 times larger.

IBTG vs TBIL: Differences, Returns & Fees
IBTGTBIL
Expense ratio0.07%0.15%
Net assets, as of Oct 19, 2026$1.9bn$7.6bn
Total return, 1 year+3.6%+3.7%
What it tracksICE 2026 Maturity US Treasury IndexBloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index (I00087US)
Holdings in commonreport dates differ

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

+3.6%
IBTG total return, 1 year
+3.7%
TBIL total return, 1 year
0.07%
IBTG expense ratio
0.15%
TBIL expense ratio

Get IBTG'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-AA61329E83

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

  1. What each follows. IBTG follows ICE 2026 Maturity US Treasury Index and TBIL follows Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index (I00087US).
  2. Number of holdings. IBTG holds 10 positions and TBIL holds 1.
  3. Size. IBTG has $1.9bn in net assets and TBIL $7.6bn (net assets, as of Oct 19, 2026); TBIL is 4.0 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.

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

IBTG
iShares iBonds Dec 2026 Term Treasury ETF
TBIL
F/m US Treasury 3 Month Bill Fund
Where it sits Bond ETF Bond ETF
Issuer iShares F/m
What it is Tracks an index Tracks an index
Total return, 1 year +3.6% +3.7%
Expense ratio 0.07% 0.15%
Holdings 10 1
Net assets, IBTG as of Oct 20, 2026 and TBIL as of Oct 19, 2026 $1.9bn $7.6bn

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

About IBTG

IBTG tracks an index. Over the year to Oct 20, 2026 it returned +3.6% with distributions reinvested. The prospectus expense ratio is 0.07% a year.

About TBIL

TBIL tracks an index. Over the year to Oct 20, 2026 it returned +3.7% with distributions reinvested. The prospectus expense ratio is 0.15% a year.

Questions people ask

Which returned more over the last year, IBTG or TBIL?
In the year to Oct 20, 2026, with distributions reinvested, IBTG returned +3.6% and TBIL +3.7%.
Which is cheaper, IBTG or TBIL?
IBTG 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, IBTG against TBIL, data as of Oct 20, 2026. https://etfiq.com/compare/any/ibtg-vs-tbil

Open data

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