Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IYW vs VUG: how they differ
IYW and VUG hold 64% of their weight in the same names, and IYW returned more over the year.
iShares U.S. Technology ETF and Vanguard Growth Index Fund.
What they hold in common
By the books each fund has filed, IYW and VUG hold 64% of their money in the same securities at the same weight.
| Holding | IYW | VUG |
|---|---|---|
| NVIDIA CORPORATION | 16.25% | 12.63% |
| APPLE INC. | 13.65% | 11.67% |
| ALPHABET INC. | 7.84% | 5.76% |
| ALPHABET INC. | 6.34% | 4.54% |
| MICROSOFT CORPORATION | 3.99% | 7.62% |
| BROADCOM INC. | 3.78% | 4.29% |
| META PLATFORMS, INC. | 2.81% | 3.41% |
| ADVANCED MICRO DEVICES, INC. | 3.50% | 2.62% |
| APPLIED MATERIALS, INC. | 1.92% | 1.60% |
| LAM RESEARCH CORPORATION | 1.99% | 1.51% |
| KLA CORPORATION | 1.41% | 1.10% |
| SANDISK CORPORATION | 0.96% | 0.94% |
| Only in IYW | Only in VUG |
|---|---|
| MICRON TECHNOLOGY, INC. 2.98% | Amazon.com Inc 4.47% |
| INTERNATIONAL BUSINESS MACHINES CORPORAT 1.32% | Tesla Inc 3.27% |
| ANALOG DEVICES, INC. 1.21% | Eli Lilly & Co 2.81% |
| QUALCOMM INCORPORATED 1.18% | Visa Inc 1.54% |
| SALESFORCE, INC. 0.99% | Costco Wholesale Corp 1.16% |
| DELL TECHNOLOGIES INC. 0.40% | Mastercard Inc 1.13% |
| STRATEGY INC 0.32% | GE Vernova Inc 0.89% |
| MICROCHIP TECHNOLOGY INCORPORATED 0.30% | Netflix Inc 0.84% |
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 Apr 30, 2026 and Jun 30, 2026.
| IYW iShares U.S. Technology ETF | VUG Vanguard Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | U.S. Technology | US growth |
| Total return, 1 year | +34.9% | +12.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +17.4 pts | −4.6 pts |
| Expense ratio | 0.37% | 0.03% |
| Already in the S&P 500 | 95.5% | 97.4% |
| Holdings | 139 | 147 |
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 Apr 30, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 139 positions, with the top ten at 63.7%.
VUG in plain words
VUG is an index equity fund tracking the US growth. Over the year to Sep 11, 2026 it returned +12.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 97% of the fund by weight is stocks the S&P 500 also holds, across 147 positions, with the top ten at 60.5%.
Questions people ask
- Which returned more over the last year, IYW or VUG?
- In the year to Sep 12, 2026, with distributions reinvested, IYW returned +34.9% and VUG returned +12.9%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IYW or VUG?
- IYW charges 0.37% a year and VUG charges 0.03%, so VUG is cheaper. Fees come from each fund's prospectus.
- How much do IYW and VUG overlap with the S&P 500?
- By their latest filed holdings, 96% of IYW and 97% of VUG by weight is stocks the S&P 500 already holds. Between the two funds, 64% 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, IYW against VUG, data as of Sep 12, 2026. https://etfiq.com/compare/any/IYW-VUG Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources