VIOV vs VO: Holdings Overlap
VIOVVanguard S&P Small-cap 600 Value Index Fund
Vanguard · 460 holdings · $1.9B · as of 2026-05-31
Vanguard · 289 holdings · $109.2B · as of 2026-03-31
Holdings snapshots are 61 days apart (VIOV: 2026-05-31, VO: 2026-03-31). 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 VIOV and VO?
Vanguard S&P Small-cap 600 Value Index Fund (VIOV, by Vanguard) holds 460 positions; Vanguard Mid-cap Index Fund (VO, by Vanguard) holds 289. 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
- 0VIOV holds 460 · VO holds 289
- Weight in Shared Holdings
- VIOV 0%·VO 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 VIOV
460 of 460 positions (99.6% of the fund) are not held by VO. Showing the top 30 by weight.
Only in VO
289 of 289 positions (99.6% of the fund) are not held by VIOV. Showing the top 30 by weight.
Sector Breakdown
| Sector | VIOV | VO |
|---|---|---|
| Financials | 21.0% | 13.8% |
| Industrials | 12.6% | 18.4% |
| Consumer Discretionary | 14.9% | 9.3% |
| Information Technology | 13.3% | 14.2% |
| Utilities | 2.3% | 8.8% |
| Other Sectors | 35.4% | 35.1% |
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 |
|---|---|---|---|---|---|---|---|
| VIOV | +3.7% | +23.2% | +39.7% | +13.8% | +8.4% | +10.4% | 1.64% |
| VO | +2.6% | +14.8% | +18.0% | +15.7% | +8.0% | +11.6% | 1.29% |
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 VIOV vs VO →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do VIOV and VO overlap?
VIOV and VO overlap by 0.0% of portfolio weight. They share 0 holdings (VIOV holds 460 positions and VO holds 289), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VIOV and VO?
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 VIOV own that VO doesn't?
460 positions (99.6% of VIOV) are unique to VIOV, led by ENPH, MOH and EMN. In the other direction, 289 positions (99.6% of VO) are unique to VO.