SPY vs VOX: Holdings Overlap
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
VOXVanguard Communication Services Index Fund
Vanguard · 114 holdings · $5.9B · as of 2026-05-31
Holdings snapshots are 67 days apart (SPY: 2026-08-06, 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 SPY and VOX?
State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504 positions; Vanguard Communication Services Index Fund (VOX, by Vanguard) holds 114. They have 22 holdings in common, and by portfolio weight the two funds are 9.6% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 9.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 22SPY holds 504 · VOX holds 114
- Weight in Shared Holdings
- SPY 10%·VOX 82%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 SPY
482 of 504 positions (90.3% of the fund) are not held by VOX. Showing the top 30 by weight.
Only in VOX
92 of 114 positions (17.4% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | SPY | VOX |
|---|---|---|
| Communication Services | 9.7% | 99.7% |
| Information Technology | 37.6% | 0.0% |
| Financials | 12.3% | 0.0% |
| Consumer Discretionary | 9.3% | 0.0% |
| Health Care | 8.9% | 0.0% |
| Other Sectors | 22.1% | 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 |
|---|---|---|---|---|---|---|---|
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
| 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 SPY vs VOX →
Shared Holdings(22)
The top 10 shared positions account for 97% of the overlap, led by GOOGL, GOOG and META.
 GOOGLAlphabet Inc. CAP STK CL A | 3.16% | 16.08% | 3.16% |
|---|---|---|---|
 GOOGAlphabet Inc. CAP STK CL C | 2.54% | 10.58% | 2.54% |
 METAMeta Platforms, Inc., Class A | 1.95% | 21.05% | 1.95% |
 NFLXNetflix, Inc. COM | 0.47% | 4.75% | 0.47% |
 VZVerizon Communications Inc. COM | 0.30% | 4.16% | 0.30% |
 DISWalt Disney Company COM | 0.27% | 3.95% | 0.27% |
 TAT&T Inc COM | 0.25% | 3.68% | 0.25% |
 CMCSAComcast Corporation CL A | 0.14% | 2.35% | 0.14% |
 TMUST-Mobile US Inc COM | 0.13% | 2.49% | 0.13% |
 WBDWarner Bros. Discovery Inc. COM SER A | 0.10% | 2.73% | 0.10% |
 TTWOTake-Two Interactive Software Inc. COM | 0.06% | 2.08% | 0.06% |
 LYVLive Nation Entertainment, Inc. COM | 0.04% | 1.64% | 0.04% |
 OMCOmnicom Group Inc COM | 0.04% | 1.37% | 0.04% |
 CHTRCharter Communications, Inc., Class A | 0.02% | 0.73% | 0.02% |
 FOXAFox Corporation CL A COM | 0.02% | 0.60% | 0.02% |
 TKOTKO Group Holdings, Inc., Class A | 0.02% | 0.83% | 0.02% |
 ECHOEchoStar Corp., Class A | 0.02% | 1.09% | 0.02% |
 NWSANews Corporation CL A | 0.02% | 0.59% | 0.02% |
 FOXFox Corporation CL B COM | 0.01% | 0.53% | 0.01% |
 TTDTrade Desk, Inc. (The), Class A | 0.01% | 0.57% | 0.01% |
 NWSNews Corporation CL B | 0.01% | 0.22% | 0.01% |
 PSKYParamount Skydance Corp., Class B | 0.00% | 0.20% | 0.00% |
Frequently Asked Questions
How much do SPY and VOX overlap?
SPY and VOX overlap by 9.6% of portfolio weight. They share 22 holdings (SPY holds 504 positions and VOX holds 114), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPY and VOX?
The two portfolios are 9.6% 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 SPY and VOX?
The largest positions held by both funds are GOOGL, GOOG, META, NFLX and VZ. Together the top 10 shared positions account for 97% of the total overlap.
What does SPY own that VOX doesn't?
482 positions (90.3% of SPY) are unique to SPY, led by NVDA, AAPL and MSFT. In the other direction, 92 positions (17.4% of VOX) are unique to VOX.