Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IGM vs IYW: how they differ
IGM and IYW hold 83% of their weight in the same names, and IYW returned more over the year.
iShares Expanded Tech Sector ETF and iShares U.S. Technology ETF.
What they hold in common
By the books each fund has filed, IGM and IYW hold 83% of their money in the same securities at the same weight.
| Holding | IGM | IYW |
|---|---|---|
| MICROSOFT | 10.11% | 10.75% |
| APPLE | 9.14% | 13.20% |
| NVIDIA | 8.89% | 14.10% |
| ALPHABET CLASS A | 4.23% | 5.48% |
| META PLATFORMS CLASS A | 4.87% | 4.17% |
| BROADCOM INC | 7.42% | 4.07% |
| ALPHABET CLASS C | 3.39% | 4.44% |
| MICRON TECHNOLOGY | 4.73% | 3.35% |
| ADVANCED MICRO DEVICES | 3.66% | 3.08% |
| INTEL CORPORATION | 2.21% | 2.27% |
| PALANTIR TECHNOLOGIES CLASS A | 1.70% | 1.83% |
| LAM RESEARCH | 1.66% | 1.85% |
| Only in IGM | Only in IYW |
|---|---|
| CISCO SYSTEMS INC 1.89% | VERTIV HOLDINGS CLASS A 0.47% |
| NETFLIX 1.43% | DOORDASH CLASS A 0.37% |
| ARISTA NETWORKS 0.87% | LEIDOS HOLDINGS 0.08% |
| SEAGATE TECHNOLOGY HOLDINGS PLC 0.86% | SS AND C TECHNOLOGIES HOLDINGS 0.08% |
| SHOPIFY SUBORDINATE VOTING CLASS A 0.69% | TOAST CLASS A 0.08% |
| ACCENTURE PLC CLASS A 0.49% | CACI INTERNATIONAL INC CLASS A 0.07% |
| MOTOROLA SOLUTIONS INC 0.34% | IREN 0.07% |
| LUMENTUM HOLDINGS 0.32% | MAPLEBEAR 0.04% |
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.
| IGM iShares Expanded Tech Sector ETF | IYW iShares U.S. Technology ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Expanded Tech Sector | U.S. Technology |
| Total return, 1 year | +32.7% | +34.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +15.2 pts | +17.4 pts |
| Expense ratio | 0.37% | 0.37% |
| Already in the S&P 500 | 92.0% | 95.5% |
| Holdings | 272 | 151 |
IGM in plain words
IGM is an index equity fund tracking the Expanded Tech Sector. Over the year to Sep 11, 2026 it returned +32.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% 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 272 positions, with the top ten at 58.6%. It sat 5.1% below its high of Jun 2, 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. 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, IGM or IYW?
- In the year to Sep 13, 2026, with distributions reinvested, IGM returned +32.7% and IYW returned +34.9%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IGM or IYW?
- IGM charges 0.37% a year and IYW charges 0.37%, so IGM is cheaper. Fees come from each fund's prospectus.
- How much do IGM and IYW overlap with the S&P 500?
- By their latest filed holdings, 92% of IGM and 96% of IYW by weight is stocks the S&P 500 already holds. Between the two funds, 83% 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, IGM against IYW, data as of Sep 13, 2026. https://etfiq.com/compare/any/igm-vs-iyw Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources