Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IYW vs VOOG: how they differ
IYW and VOOG hold 57% of their weight in the same names, and IYW returned more over the year.
iShares U.S. Technology ETF and Vanguard S&P 500 Growth Index Fund.
What they hold in common
By the books each fund has filed, IYW and VOOG hold 57% of their money in the same securities at the same weight.
| Holding | IYW | VOOG |
|---|---|---|
| NVIDIA CORPORATION | 16.25% | 14.29% |
| APPLE INC. | 13.65% | 6.38% |
| ALPHABET INC. | 7.84% | 6.17% |
| ALPHABET INC. | 6.34% | 4.90% |
| MICROSOFT CORPORATION | 3.99% | 9.31% |
| BROADCOM INC. | 3.78% | 5.90% |
| MICRON TECHNOLOGY, INC. | 2.98% | 3.04% |
| META PLATFORMS, INC. | 2.81% | 3.85% |
| ADVANCED MICRO DEVICES, INC. | 3.50% | 2.34% |
| LAM RESEARCH CORPORATION | 1.99% | 1.11% |
| PALANTIR TECHNOLOGIES INC. | 1.86% | 1.00% |
| APPLIED MATERIALS, INC. | 1.92% | 0.99% |
| Only in IYW | Only in VOOG |
|---|---|
| INTEL CORPORATION 2.56% | Amazon.com Inc 3.90% |
| TEXAS INSTRUMENTS INCORPORATED 1.57% | Eli Lilly & Co 2.44% |
| ANALOG DEVICES, INC. 1.21% | Berkshire Hathaway Inc 2.42% |
| QUALCOMM INCORPORATED 1.18% | Tesla Inc 2.12% |
| SALESFORCE, INC. 0.99% | JPMorgan Chase & Co 1.43% |
| WESTERN DIGITAL CORPORATION 0.91% | Caterpillar Inc 1.14% |
| MARVELL TECHNOLOGY, INC. 0.86% | Netflix Inc 1.01% |
| ADOBE INC. 0.62% | Johnson & Johnson 0.89% |
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 May 31, 2026.
| IYW iShares U.S. Technology ETF | VOOG Vanguard S&P 500 Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | U.S. Technology | S&P 500 Growth |
| Total return, 1 year | +34.9% | +17.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +17.4 pts | +0.3 pts |
| Expense ratio | 0.37% | 0.05% |
| Already in the S&P 500 | 95.5% | 100.0% |
| Holdings | 139 | 146 |
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%.
VOOG in plain words
VOOG is an index equity fund tracking the S&P 500 Growth. Over the year to Sep 11, 2026 it returned +17.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for May 31, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 146 positions, with the top ten at 60.2%.
Questions people ask
- Which returned more over the last year, IYW or VOOG?
- In the year to Sep 12, 2026, with distributions reinvested, IYW returned +34.9% and VOOG returned +17.8%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IYW or VOOG?
- IYW charges 0.37% a year and VOOG charges 0.05%, so VOOG is cheaper. Fees come from each fund's prospectus.
- How much do IYW and VOOG overlap with the S&P 500?
- By their latest filed holdings, 96% of IYW and 100% of VOOG by weight is stocks the S&P 500 already holds. Between the two funds, 57% 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 VOOG, data as of Sep 12, 2026. https://etfiq.com/compare/any/IYW-VOOG Free to use with attribution; the underlying files are at Open data.
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