Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IYW vs VXF: how they differ
IYW and VXF hold 4% of their weight in the same names, and IYW returned more over the year.
iShares U.S. Technology ETF and Vanguard Extended Market Index Fund.
What they hold in common
By the books each fund has filed, IYW and VXF hold 4% of their money in the same securities at the same weight.
| Holding | IYW | VXF |
|---|---|---|
| CLOUDFLARE, INC. | 0.39% | 0.92% |
| STRATEGY INC | 0.32% | 0.34% |
| SNOWFLAKE INC. | 0.28% | 1.03% |
| ZOOM COMMUNICATIONS, INC. | 0.16% | 0.27% |
| Astera Labs, Inc | 0.15% | 0.76% |
| Everpure, Inc | 0.14% | 0.29% |
| ENTEGRIS, INC. | 0.13% | 0.32% |
| TWILIO INC. | 0.13% | 0.37% |
| MONGODB, INC. | 0.12% | 0.32% |
| REDDIT, INC. | 0.12% | 0.27% |
| MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC | 0.12% | 0.29% |
| TD SYNNEX CORPORATION | 0.11% | 0.23% |
| Only in IYW | Only in VXF |
|---|---|
| NVIDIA CORPORATION 16.25% | Space Exploration Technologies Corp 1.19% |
| APPLE INC. 13.65% | Bloom Energy Corp 0.93% |
| ALPHABET INC. 7.84% | Rocket Lab Corp 0.61% |
| ALPHABET INC. 6.34% | Cheniere Energy Inc 0.59% |
| MICROSOFT CORPORATION 3.99% | Ferguson Enterprises Inc 0.54% |
| BROADCOM INC. 3.78% | Credo Technology Group Holding Ltd 0.52% |
| ADVANCED MICRO DEVICES, INC. 3.50% | Alnylam Pharmaceuticals Inc 0.47% |
| MICRON TECHNOLOGY, INC. 2.98% | Natera Inc 0.46% |
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 | VXF Vanguard Extended Market Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | U.S. Technology | Extended Market |
| Total return, 1 year | +34.9% | +14.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +17.4 pts | −3.4 pts |
| Expense ratio | 0.37% | 0.05% |
| Already in the S&P 500 | 95.5% | 0.0% |
| Holdings | 139 | 3365 |
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%.
VXF in plain words
VXF is an index equity fund tracking the Extended Market. Over the year to Sep 11, 2026 it returned +14.1% 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 Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 3365 positions, with the top ten at 7.6%. It sat 5.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IYW or VXF?
- In the year to Sep 12, 2026, with distributions reinvested, IYW returned +34.9% and VXF returned +14.1%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IYW or VXF?
- IYW charges 0.37% a year and VXF charges 0.05%, so VXF is cheaper. Fees come from each fund's prospectus.
- How much do IYW and VXF overlap with the S&P 500?
- By their latest filed holdings, 96% of IYW and 0% of VXF by weight is stocks the S&P 500 already holds. Between the two funds, 4% of their books are the same securities at the same weight.
Other comparisons
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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 VXF, data as of Sep 12, 2026. https://etfiq.com/compare/any/IYW-VXF Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources