IWF vs IWY: Differences, Returns & Fees
IWF and IWY hold 90% of their weight in the same names, and IWY returned +4.7% over the year. Net assets on Oct 20, 2026: $125.0bn for iShares Russell 1000 Growth ETF and $15.8bn for iShares Russell Top 200 Growth ETF.
IWF costs 0.02 points a year less; their one-year returns differ by 0.7 points; IWF is 7.9 times larger.
| IWF | IWY | |
|---|---|---|
| Expense ratio | 0.18% | 0.20% |
| Net assets | $125.0bn | $15.8bn |
| Total return, 1 year | +4.0% | +4.7% |
| What it tracks | Russell 1000 Growth Index | Russell Top 200 Growth Index |
| Holdings in common | 90% | |
| Top ten holdings, share of the fund | 57.8% | 60.9% |
| Below its high | 5.2%, high on Oct 6, 2026 | |
Holdings in common uses holdings dated Oct 19, 2026.
IWF and IWY are built for the same job. How do they differ in cost, holdings and results?
- What each follows. IWF follows Russell 1000 Growth Index and IWY follows Russell Top 200 Growth Index.
- Number of holdings. IWF holds 373 positions and IWY holds 102.
- Size. IWF has $125.0bn in net assets and IWY $15.8bn (Net assets); IWF is 7.9 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.
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What they hold in common
By the books each fund has filed, IWF and IWY hold 90% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.
half
90% in common
On the same fields
IWF and IWY on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About IWF
IWF tracks the Russell 1000 growth. Over the year to Oct 20, 2026 it returned +4.0% with distributions reinvested, against +4.1% for its benchmark, the Russell 1000 Growth Index. The prospectus expense ratio is 0.18% a year. By its holdings published by its issuer for Oct 19, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 373 positions, with the top ten at 57.8%. It sat 5.2% below its high of Oct 6, 2026 on Oct 20, 2026.
About IWY
IWY tracks an index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 19, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 102 positions, with the top ten at 60.9%.
Over the year to Oct 20, 2026 it returned +4.7% with distributions reinvested, against +15.0% for its benchmark, the Russell 3000 Index.
Questions people ask
- Which returned more over the last year, IWF or IWY?
- In the year to Oct 20, 2026, with distributions reinvested, IWF returned +4.0% and IWY +4.7%.
- Which is cheaper, IWF or IWY?
- IWF is cheaper, by 0.02 percentage points a year. That is about $2 on $10,000 held for a year. Fees come from each fund's prospectus.
ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, IWF against IWY, data as of Oct 20, 2026. https://etfiq.com/compare/any/iwf-vs-iwy
ETFIQ. (Oct 20, 2026). IWF against IWY. Retrieved from https://etfiq.com/compare/any/iwf-vs-iwy
[IWF against IWY (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/iwf-vs-iwy)
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