Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs IYW: how they differ
IWB and IYW hold 42% of their weight in the same names, and IYW returned more over the year.
iShares Russell 1000 ETF and iShares U.S. Technology ETF.
What they hold in common
By the books each fund has filed, IWB and IYW hold 42% of their money in the same securities at the same weight.
| Holding | IWB | IYW |
|---|---|---|
| NVIDIA | 7.26% | 14.10% |
| APPLE | 6.73% | 13.20% |
| MICROSOFT | 5.21% | 10.75% |
| ALPHABET CLASS A | 2.77% | 5.48% |
| BROADCOM INC | 2.40% | 4.07% |
| ALPHABET CLASS C | 2.24% | 4.44% |
| META PLATFORMS CLASS A | 2.02% | 4.17% |
| MICRON TECHNOLOGY | 1.57% | 3.35% |
| ADVANCED MICRO DEVICES | 1.17% | 3.08% |
| INTEL CORPORATION | 0.65% | 2.27% |
| LAM RESEARCH | 0.53% | 1.85% |
| PALANTIR TECHNOLOGIES CLASS A | 0.53% | 1.83% |
| Only in IWB | Only in IYW |
|---|---|
| AMAZON.COM INC 3.49% | PEGASYSTEMS 0.02% |
| TESLA INC 1.52% | CASH COLLATERAL USD WFFUT 0.01% |
| BERKSHIRE HATHAWAY INC CLASS B 1.35% | INGRAM MICRO HOLDING 0.01% |
| JPMORGAN CHASE & CO 1.35% | IPG PHOTONICS CORP 0.01% |
| ELI LILLY 1.28% | KLAVIYO SERIES A 0.01% |
| EXXONMOBIL HOLDINGS CORP 0.98% | KYNDRYL HOLDINGS 0.01% |
| JOHNSON & JOHNSON 0.92% | PARSONS CORP 0.01% |
| VISA CLASS A 0.87% | PEOPLE 0.01% |
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.
| IWB iShares Russell 1000 ETF | IYW iShares U.S. Technology ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Russell 1000 | U.S. Technology |
| Total return, 1 year | +16.7% | +34.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.8 pts | +17.4 pts |
| Expense ratio | 0.15% | 0.37% |
| Already in the S&P 500 | 91.9% | 95.5% |
| Holdings | 945 | 151 |
IWB in plain words
IWB is an index equity fund tracking the Russell 1000. Over the year to Sep 11, 2026 it returned +16.7% 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. By its holdings filed for Sep 10, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 945 positions, with the top ten at 35.2%.
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, IWB or IYW?
- In the year to Sep 13, 2026, with distributions reinvested, IWB returned +16.7% and IYW returned +34.9%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWB or IYW?
- IWB charges 0.15% a year and IYW charges 0.37%, so IWB is cheaper. Fees come from each fund's prospectus.
- How much do IWB and IYW overlap with the S&P 500?
- By their latest filed holdings, 92% of IWB and 96% of IYW by weight is stocks the S&P 500 already holds. Between the two funds, 42% 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, IWB against IYW, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwb-vs-iyw Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources