SOXX vs VOX: Holdings Overlap
iShares · 30 holdings · $47.6B · 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 (SOXX: 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 SOXX and VOX?
iShares Semiconductor ETF (SOXX, by iShares) holds 30 positions; Vanguard Communication Services Index Fund (VOX, by Vanguard) holds 114. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0SOXX holds 30 · VOX holds 114
- Weight in Shared Holdings
- SOXX 0%·VOX 0%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 SOXX
30 of 30 positions (99.9% of the fund) are not held by VOX.
Only in VOX
114 of 114 positions (99.7% of the fund) are not held by SOXX. Showing the top 30 by weight.
Sector Breakdown
| Sector | SOXX | VOX |
|---|---|---|
| Communication Services | 0.0% | 99.7% |
| Information Technology | 98.6% | 0.0% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 1.2% | 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. “Unclassified” is weight we could not classify (1% of SOXX, 0% of VOX).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SOXX | -1.5% | +80.6% | +126.6% | +47.5% | +29.5% | +32.9% | 0.27% |
| 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 SOXX vs VOX →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do SOXX and VOX overlap?
SOXX and VOX overlap by 0.0% of portfolio weight. They share 0 holdings (SOXX holds 30 positions and VOX holds 114), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SOXX and VOX?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does SOXX own that VOX doesn't?
30 positions (99.9% of SOXX) are unique to SOXX, led by NVDA, AVGO and MU. In the other direction, 114 positions (99.7% of VOX) are unique to VOX.