Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IGM vs VXF: how they differ
IGM and VXF hold 7% of their weight in the same names, and IGM returned more over the year.
iShares Expanded Tech Sector ETF and Vanguard Extended Market Index Fund.
What they hold in common
By the books each fund has filed, IGM and VXF hold 7% of their money in the same securities at the same weight.
| Holding | IGM | VXF |
|---|---|---|
| Snowflake, Inc. | 0.38% | 1.03% |
| Cloudflare, Inc. | 0.34% | 0.92% |
| Astera Labs, Inc. | 0.28% | 0.76% |
| ROBLOX Corp. | 0.16% | 0.43% |
| Twilio, Inc. | 0.14% | 0.37% |
| MKS, Inc. | 0.13% | 0.35% |
| Strategy, Inc. | 0.13% | 0.34% |
| Entegris, Inc. | 0.12% | 0.32% |
| MongoDB, Inc. | 0.12% | 0.32% |
| CoreWeave, Inc. | 0.12% | 0.31% |
| MACOM Technology Solutions Holdings, Inc | 0.11% | 0.29% |
| Everpure, Inc. | 0.11% | 0.29% |
| Only in IGM | Only in VXF |
|---|---|
| NVIDIA Corp. 7.97% | Space Exploration Technologies Corp 1.19% |
| Apple, Inc. 7.92% | Bloom Energy Corp 0.93% |
| Broadcom, Inc. 7.61% | Rocket Lab Corp 0.61% |
| Microsoft Corp. 7.50% | Cheniere Energy Inc 0.59% |
| Micron Technology, Inc. 5.47% | Ferguson Enterprises Inc 0.54% |
| Alphabet, Inc. 4.45% | Credo Technology Group Holding Ltd 0.52% |
| Meta Platforms, Inc. 4.17% | Alnylam Pharmaceuticals Inc 0.47% |
| Advanced Micro Devices, Inc. 4.13% | 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 Jun 30, 2026.
| IGM iShares Expanded Tech Sector ETF | VXF Vanguard Extended Market Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Expanded Tech Sector | Extended Market |
| Total return, 1 year | +32.7% | +14.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +15.2 pts | −3.4 pts |
| Expense ratio | 0.37% | 0.05% |
| Already in the S&P 500 | 92.0% | 0.0% |
| Holdings | 295 | 3365 |
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 Jun 30, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 295 positions, with the top ten at 55.7%. It sat 5.1% below its high of Jun 2, 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, IGM or VXF?
- In the year to Sep 12, 2026, with distributions reinvested, IGM returned +32.7% and VXF returned +14.1%, so IGM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IGM or VXF?
- IGM charges 0.37% a year and VXF charges 0.05%, so VXF is cheaper. Fees come from each fund's prospectus.
- How much do IGM and VXF overlap with the S&P 500?
- By their latest filed holdings, 92% of IGM and 0% of VXF by weight is stocks the S&P 500 already holds. Between the two funds, 7% 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 VXF, data as of Sep 12, 2026. https://etfiq.com/compare/any/IGM-VXF Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources