Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
VOO vs VXF: how they differ
VOO and VXF hold 0% of their weight in the same names, and VOO returned more over the year.
Vanguard 500 Index Fund and Vanguard Extended Market Index Fund.
What they hold in common
By the books each fund has filed, VOO and VXF hold 0% of their money in the same securities at the same weight.
| Holding | VOO | VXF |
|---|---|---|
| Conagra Brands Inc | 0.01% | 0.08% |
| Flex Ltd | 0.09% | 0.00% |
| Marvell Technology Inc | 0.41% | 0.00% |
| Only in VOO | Only in VXF |
|---|---|
| NVIDIA Corp 7.53% | Space Exploration Technologies Corp 1.19% |
| Apple Inc 6.61% | Snowflake Inc 1.03% |
| Microsoft Corp 4.31% | Bloom Energy Corp 0.93% |
| Amazon.com Inc 3.63% | Cloudflare Inc 0.92% |
| Alphabet Inc 3.26% | Astera Labs Inc 0.76% |
| Broadcom Inc 2.78% | Rocket Lab Corp 0.61% |
| Alphabet Inc 2.60% | Cheniere Energy Inc 0.59% |
| Micron Technology Inc 2.02% | 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.
| VOO Vanguard 500 Index Fund | VXF Vanguard Extended Market Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Vanguard | Vanguard |
| What it is | S&P 500 | Extended Market |
| Total return, 1 year | +17.6% | +14.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +0.1 pts | −3.4 pts |
| Expense ratio | 0.03% | 0.05% |
| Already in the S&P 500 | 100.0% | 0.0% |
| Holdings | 506 | 3365 |
VOO in plain words
VOO is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.6% 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, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 36.5%.
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, VOO or VXF?
- In the year to Sep 12, 2026, with distributions reinvested, VOO returned +17.6% and VXF returned +14.1%, so VOO returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, VOO or VXF?
- VOO charges 0.03% a year and VXF charges 0.05%, so VOO is cheaper. Fees come from each fund's prospectus.
- How much do VOO and VXF overlap with the S&P 500?
- By their latest filed holdings, 100% of VOO 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.
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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, VOO against VXF, data as of Sep 12, 2026. https://etfiq.com/compare/any/VOO-VXF Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources