Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
VOO vs VOX: how they differ
VOO and VOX hold 10% of their weight in the same names, and VOO returned more over the year.
Vanguard 500 Index Fund and Vanguard Communication Services Index Fund.
What they hold in common
By the books each fund has filed, VOO and VOX hold 10% of their money in the same securities at the same weight.
| Holding | VOO | VOX |
|---|---|---|
| Alphabet Inc | 3.26% | 16.14% |
| Alphabet Inc | 2.60% | 10.61% |
| Meta Platforms Inc | 1.92% | 21.12% |
| Netflix Inc | 0.47% | 4.77% |
| Verizon Communications Inc | 0.28% | 4.17% |
| Walt Disney Co/The | 0.26% | 3.96% |
| AT&T Inc | 0.22% | 3.69% |
| Comcast Corp | 0.14% | 2.36% |
| T-Mobile US Inc | 0.12% | 2.50% |
| Warner Bros Discovery Inc | 0.10% | 2.74% |
| Electronic Arts Inc | 0.07% | 2.00% |
| Take-Two Interactive Software Inc | 0.07% | 2.09% |
| Only in VOO | Only in VOX |
|---|---|
| NVIDIA Corp 7.53% | AST SpaceMobile Inc 1.42% |
| Apple Inc 6.61% | ROBLOX Corp 1.37% |
| Microsoft Corp 4.31% | Liberty Media Corp-Liberty Formula One 1.16% |
| Amazon.com Inc 3.63% | Reddit Inc 1.07% |
| Broadcom Inc 2.78% | Roku Inc 1.02% |
| Micron Technology Inc 2.02% | Pinterest Inc 0.72% |
| Tesla Inc 1.84% | New York Times Co/The 0.70% |
| Eli Lilly & Co 1.48% | Lumen Technologies Inc 0.65% |
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 May 31, 2026.
| VOO Vanguard 500 Index Fund | VOX Vanguard Communication Services Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Vanguard | Vanguard |
| What it is | S&P 500 | Communication Services |
| Total return, 1 year | +17.6% | +2.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +0.1 pts | −14.6 pts |
| Expense ratio | 0.03% | 0.09% |
| Already in the S&P 500 | 100.0% | 84.5% |
| Holdings | 506 | 114 |
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%.
VOX in plain words
VOX is an index equity fund tracking the Communication Services. Over the year to Sep 11, 2026 it returned +2.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for May 31, 2026, 84% of the fund by weight is stocks the S&P 500 also holds, across 114 positions, with the top ten at 72.1%. It sat 4.3% below its high of Jan 29, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, VOO or VOX?
- In the year to Sep 12, 2026, with distributions reinvested, VOO returned +17.6% and VOX returned +2.9%, so VOO returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, VOO or VOX?
- VOO charges 0.03% a year and VOX charges 0.09%, so VOO is cheaper. Fees come from each fund's prospectus.
- How much do VOO and VOX overlap with the S&P 500?
- By their latest filed holdings, 100% of VOO and 84% of VOX by weight is stocks the S&P 500 already holds. Between the two funds, 10% 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 VOX, data as of Sep 12, 2026. https://etfiq.com/compare/any/VOO-VOX Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources