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Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

BIL vs IWO: how they differ

BIL is a short-term Treasury fund and IWO an equity index fund, and over the year IWO returned more, +17.0% against +3.7%.

SPDR Bloomberg 1-3 Month T-Bill ETF and iShares Russell 2000 Growth ETF.

BIL and IWO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
BIL
SPDR Bloomberg 1-3 Month T-Bill ETF
IWO
iShares Russell 2000 Growth ETF
Where it sitsCore index fundCore index fund
IssuerState StreetiShares
What it is1-3 month T-billsRussell 2000 Growth
Total return, 1 year+3.7%+17.0%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−13.8 pts−0.5 pts
Expense ratio0.14%0.24%
Holdingsnot filed1133

BIL in plain words

BIL is a cash and treasury bills tracking the 1-3 month T-bills. Over the year to Sep 11, 2026 it returned +3.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.14% a year.

IWO in plain words

IWO is an index equity fund tracking the Russell 2000 Growth. Over the year to Sep 11, 2026 it returned +17.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.24% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1133 positions, with the top ten at 6.1%. It sat 7.1% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, BIL or IWO?
In the year to Sep 12, 2026, with distributions reinvested, BIL returned +3.7% and IWO returned +17.0%, so IWO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, BIL or IWO?
BIL charges 0.14% a year and IWO charges 0.24%, so BIL is cheaper. Fees come from each fund's prospectus.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

BIL against IWO, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, BIL against IWO, data as of Sep 12, 2026. https://etfiq.com/compare/any/BIL-IWO Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources