VOO vs VOX: Holdings Overlap
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
VOXVanguard Communication Services Index Fund
Vanguard · 114 holdings · $5.9B · as of 2026-05-31
Holdings snapshots are 61 days apart (VOO: 2026-03-31, VOX: 2026-05-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are VOO and VOX?
Vanguard 500 Index Fund (VOO, by Vanguard) holds 504 positions; Vanguard Communication Services Index Fund (VOX, by Vanguard) holds 114. They have 23 holdings in common, and by portfolio weight the two funds are 10.3% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 10.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 23VOO holds 504 · VOX holds 114
- Weight in Shared Holdings
- VOO 10%·VOX 84%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in VOO
481 of 504 positions (89.5% of the fund) are not held by VOX. Showing the top 30 by weight.
Only in VOX
91 of 114 positions (15.4% of the fund) are not held by VOO. Showing the top 30 by weight.
Sector Breakdown
| Sector | VOO | VOX |
|---|---|---|
| Communication Services | 10.5% | 99.7% |
| Information Technology | 32.7% | 0.0% |
| Financials | 12.4% | 0.0% |
| Consumer Discretionary | 9.9% | 0.0% |
| Health Care | 9.5% | 0.0% |
| Other Sectors | 24.9% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
| VOX | -1.3% | -2.7% | +8.9% | +20.4% | +6.4% | +8.3% | 1.05% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in VOO vs VOX →
Shared Holdings(23)
The top 10 shared positions account for 96% of the overlap, led by GOOGL, GOOG and META.
2.99% | 16.08% | 2.99% | |
2.40% | 10.58% | 2.40% | |
2.24% | 21.05% | 2.24% | |
0.73% | 4.75% | 0.73% | |
0.38% | 4.16% | 0.38% | |
0.36% | 3.68% | 0.36% | |
0.31% | 3.95% | 0.31% | |
0.18% | 2.35% | 0.18% | |
0.18% | 2.49% | 0.18% | |
0.12% | 2.73% | 0.12% | |
0.08% | 2.00% | 0.08% | |
0.06% | 2.08% | 0.06% | |
0.04% | 1.64% | 0.04% | |
0.04% | 1.37% | 0.04% | |
0.03% | 0.73% | 0.03% | |
0.03% | 1.09% | 0.03% | |
0.02% | 0.83% | 0.02% | |
0.02% | 0.60% | 0.02% | |
0.02% | 0.57% | 0.02% | |
0.02% | 0.59% | 0.02% | |
0.01% | 0.53% | 0.01% | |
0.01% | 0.22% | 0.01% | |
0.01% | 0.20% | 0.01% |
Frequently Asked Questions
How much do VOO and VOX overlap?
VOO and VOX overlap by 10.3% of portfolio weight. They share 23 holdings (VOO holds 504 positions and VOX holds 114), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VOO and VOX?
The two portfolios are 10.3% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of VOO and VOX?
The largest positions held by both funds are GOOGL, GOOG, META, NFLX and VZ. Together the top 10 shared positions account for 96% of the total overlap.
What does VOO own that VOX doesn't?
481 positions (89.5% of VOO) are unique to VOO, led by NVDA, AAPL and MSFT. In the other direction, 91 positions (15.4% of VOX) are unique to VOX.