Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWF vs IYW: how they differ
IWF and IYW hold 66% of their weight in the same names, and IYW returned more over the year.
iShares Russell 1000 Growth ETF and iShares U.S. Technology ETF.
What they hold in common
By the books each fund has filed, IWF and IYW hold 66% of their money in the same securities at the same weight.
| Holding | IWF | IYW |
|---|---|---|
| NVIDIA | 15.46% | 14.10% |
| APPLE | 7.77% | 13.20% |
| MICROSOFT | 5.55% | 10.75% |
| ALPHABET CLASS A | 5.88% | 5.48% |
| ALPHABET CLASS C | 4.77% | 4.44% |
| BROADCOM INC | 5.10% | 4.07% |
| META PLATFORMS CLASS A | 3.52% | 4.17% |
| MICRON TECHNOLOGY | 3.35% | 3.35% |
| ADVANCED MICRO DEVICES | 2.49% | 3.08% |
| LAM RESEARCH | 1.13% | 1.85% |
| PALANTIR TECHNOLOGIES CLASS A | 1.12% | 1.83% |
| APPLIED MATERIAL INC | 1.09% | 1.78% |
| Only in IWF | Only in IYW |
|---|---|
| TESLA INC 3.22% | INTEL CORPORATION 2.27% |
| ELI LILLY 2.72% | INTERNATIONAL BUSINESS MACHINES 1.09% |
| VISA CLASS A 1.84% | SALESFORCE 0.96% |
| MASTERCARD CLASS A 1.39% | QUALCOMM 0.92% |
| CATERPILLAR INC 1.11% | SYNOPSYS 0.37% |
| GE AEROSPACE 1.02% | HEWLETT PACKARD ENTERPRISE 0.36% |
| NETFLIX 0.97% | STRATEGY INC CLASS A 0.21% |
| GE VERNOVA 0.75% | FLEX LTD 0.20% |
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 Sep 10, 2026.
| IWF iShares Russell 1000 Growth ETF | IYW iShares U.S. Technology ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Russell 1000 growth | U.S. Technology |
| Total return, 1 year | +7.0% | +34.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −10.5 pts | +17.4 pts |
| Expense ratio | 0.18% | 0.37% |
| Already in the S&P 500 | 93.6% | 95.5% |
| Holdings | 315 | 151 |
IWF in plain words
IWF is an index equity fund tracking the Russell 1000 growth. Over the year to Sep 11, 2026 it returned +7.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.18% a year. By its holdings filed for Sep 10, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 315 positions, with the top ten at 57.3%. It sat 5.0% below its high of Jun 1, 2026 on Sep 11, 2026.
IYW in plain words
IYW is an index equity fund tracking the U.S. Technology. Over the year to Sep 11, 2026 it returned +34.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% a year. By its holdings filed for Sep 10, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 151 positions, with the top ten at 64.9%.
Questions people ask
- Which returned more over the last year, IWF or IYW?
- In the year to Sep 13, 2026, with distributions reinvested, IWF returned +7.0% and IYW returned +34.9%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWF or IYW?
- IWF charges 0.18% a year and IYW charges 0.37%, so IWF is cheaper. Fees come from each fund's prospectus.
- How much do IWF and IYW overlap with the S&P 500?
- By their latest filed holdings, 94% of IWF and 96% of IYW by weight is stocks the S&P 500 already holds. Between the two funds, 66% of their books are the same securities at the same weight.
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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.
Cite this page. ETFIQ, IWF against IYW, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwf-vs-iyw Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources