Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWF vs VXF: how they differ
IWF and VXF hold 0% of their weight in the same names, and VXF returned more over the year.
iShares Russell 1000 Growth ETF and Vanguard Extended Market Index Fund.
What they hold in common
By the books each fund has filed, IWF and VXF hold 0% of their money in the same securities at the same weight.
| Only in IWF | Only in VXF |
|---|---|
| NVIDIA 15.46% | Space Exploration Technologies Corp 1.19% |
| APPLE 7.77% | Snowflake Inc 1.03% |
| ALPHABET CLASS A 5.88% | Bloom Energy Corp 0.93% |
| MICROSOFT 5.55% | Cloudflare Inc 0.92% |
| BROADCOM INC 5.10% | Astera Labs Inc 0.76% |
| ALPHABET CLASS C 4.77% | Rocket Lab Corp 0.61% |
| META PLATFORMS CLASS A 3.52% | Cheniere Energy Inc 0.59% |
| MICRON TECHNOLOGY 3.35% | Ferguson Enterprises Inc 0.54% |
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 Jun 30, 2026 and Sep 10, 2026.
| IWF iShares Russell 1000 Growth ETF | VXF Vanguard Extended Market Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Russell 1000 growth | Extended Market |
| Total return, 1 year | +7.0% | +14.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −10.5 pts | −3.4 pts |
| Expense ratio | 0.18% | 0.05% |
| Already in the S&P 500 | 93.6% | 0.0% |
| Holdings | 315 | 3365 |
IWF in plain words
IWF is an index equity fund tracking the Russell 1000 growth. Over the year to Sep 11, 2026 it returned +7.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.18% a year. By its holdings filed for Sep 10, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 315 positions, with the top ten at 57.3%. It sat 5.0% below its high of Jun 1, 2026 on Sep 11, 2026.
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, IWF or VXF?
- In the year to Sep 13, 2026, with distributions reinvested, IWF returned +7.0% and VXF returned +14.1%, so VXF returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWF or VXF?
- IWF charges 0.18% a year and VXF charges 0.05%, so VXF is cheaper. Fees come from each fund's prospectus.
- How much do IWF and VXF overlap with the S&P 500?
- By their latest filed holdings, 94% of IWF and 0% of VXF by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
Other comparisons
Where to next
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, IWF against VXF, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwf-vs-vxf Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources