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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

IEF vs IWO: how they differ

IEF and IWO hold 0% of their weight in the same names, and IWO returned more over the year.

iShares 7-10 Year Treasury Bond ETF and iShares Russell 2000 Growth ETF.

What they hold in common

By the books each fund has filed, IEF and IWO hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in IEFOnly in IWO
United States of America 9.71%Moog, Inc. 0.73%
United States of America 8.94%BrightSpring Health Services, Inc. 0.68%
United States of America 8.91%MaxLinear, Inc. 0.67%
United States of America 8.89%Argan, Inc. 0.66%
United States of America 8.87%JFrog Ltd. 0.60%
United States of America 8.79%Krystal Biotech, Inc. 0.58%
United States of America 8.69%ESCO Technologies, Inc. 0.56%
United States of America 8.46%FirstCash Holdings, Inc. 0.54%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and May 31, 2026.

IEF and IWO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
IEF
iShares 7-10 Year Treasury Bond ETF
IWO
iShares Russell 2000 Growth ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it is7-10 Year Treasury BondRussell 2000 Growth
Total return, 1 year−2.7%+17.0%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−20.2 pts−0.5 pts
Expense ratio0.15%0.24%
Holdings151133

IEF in plain words

IEF is a bond fund tracking the 7-10 Year Treasury Bond. Over the year to Sep 11, 2026 it returned −2.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. It sat 13.3% below its high of Aug 4, 2020 on Sep 11, 2026.

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, IEF or IWO?
In the year to Sep 12, 2026, with distributions reinvested, IEF returned −2.7% and IWO returned +17.0%, so IWO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IEF or IWO?
IEF charges 0.15% a year and IWO charges 0.24%, so IEF 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.

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

A comparison is not a recommendation. Standards and sources