Data as of Oct 28, 2026.
BIL vs IEI: Differences, Returns & Fees
BIL's duration was 0.2 years on Jun 30, 2026 and IEI's 4.3 on Aug 31, 2026; BIL charges 0.14% to IEI's 0.15%.
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askIQ about BIL and IEINet assets on Oct 27, 2026: $48.7bn for SPDR Bloomberg 1-3 Month T-Bill ETF and $17.0bn for iShares 3-7 Year Treasury Bond ETF.
Pair scorecard
BIL costs 0.01 points a year less; their one-year returns differ by 4.8 points; BIL is 2.9 times larger.
| Measure | BIL | IEI |
|---|---|---|
| Return | ||
| Total return, 1 year | +3.7% | −1.1% |
| Benchmark | ||
| What it tracks | Bloomberg 1-3 Month U.S. Treasury Bill Index | ICE U.S. Treasury 3-7 Year Bond Index |
| Cost and size | ||
| Expense ratio | 0.14% | 0.15% |
| Net assets, as of Oct 27, 2026 | $48.7bn | $17.0bn |
| Holdings | ||
| Holdings in common | 0% | |
Holdings in common uses holdings dated Jun 30, 2026 and Aug 31, 2026. Method
What they share
By the books each fund has filed, BIL and IEI hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.
half
0% in common
Only in one fund ↓
Side by side
BIL and IEI on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
BIL
BIL tracks an index of 1-3 month T-bills. Over the year to Oct 28, 2026 it returned +3.7% with distributions reinvested. The prospectus expense ratio is 0.14% a year.
IEI
IEI tracks an index of 3-7 Year Treasury Bond. Over the year to Oct 28, 2026 it returned −1.1% with distributions reinvested. The prospectus expense ratio is 0.15% a year.
Questions people ask
- Which returned more over the last year, BIL or IEI?
- In the year to Oct 28, 2026, with distributions reinvested, BIL returned +3.7% and IEI −1.1%.
- Which is cheaper, BIL or IEI?
- 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.
Links are sources, not endorsements. 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 IEI, data as of Oct 28, 2026. https://etfiq.com/compare/any/bil-vs-iei
ETFIQ. (Oct 28, 2026). BIL against IEI. Retrieved from https://etfiq.com/compare/any/bil-vs-iei
[BIL against IEI (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/bil-vs-iei)
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