VB vs VIOV: Holdings Overlap
VBVanguard Small-cap Index Fund
Vanguard · 1312 holdings · $82.5B · as of 2026-03-31
VIOVVanguard S&P Small-cap 600 Value Index Fund
Vanguard · 460 holdings · $1.9B · as of 2026-05-31
Holdings snapshots are 61 days apart (VB: 2026-03-31, VIOV: 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 VB and VIOV?
Vanguard Small-cap Index Fund (VB, by Vanguard) holds 1312 positions; Vanguard S&P Small-cap 600 Value Index Fund (VIOV, by Vanguard) holds 460. They have 364 holdings in common, and by portfolio weight the two funds are 12.8% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 12.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 364VB holds 1312 · VIOV holds 460
- Weight in Shared Holdings
- VB 13%·VIOV 88%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 VB
948 of 1312 positions (86.9% of the fund) are not held by VIOV. Showing the top 30 by weight.
Only in VIOV
96 of 460 positions (12.1% of the fund) are not held by VB. Showing the top 30 by weight.
Sector Breakdown
| Sector | VB | VIOV |
|---|---|---|
| Industrials | 21.2% | 12.6% |
| Financials | 13.4% | 21.0% |
| Consumer Discretionary | 10.5% | 14.9% |
| Information Technology | 13.8% | 13.3% |
| Health Care | 11.6% | 7.4% |
| Other Sectors | 28.5% | 30.3% |
| Unclassified | 0.7% | 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 VB, 0% of VIOV).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VB | +2.5% | +19.5% | +29.1% | +15.9% | +8.1% | +11.3% | 1.18% |
| VIOV | +3.7% | +23.2% | +39.7% | +13.8% | +8.4% | +10.4% | 1.64% |
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 VB vs VIOV →
Shared Holdings(364)
The top 10 shared positions account for 8% of the overlap, led by EMN, ESI and LKQ.
 EMNEastman Chemical Company COM | 0.12% | 1.01% | 0.12% |
|---|---|---|---|
 ESIElement Solutions Inc COM | 0.12% | 0.56% | 0.12% |
 LKQLKQ Corporation COM | 0.10% | 0.81% | 0.10% |
 JXNJackson Financial, Inc., Class A | 0.10% | 0.85% | 0.10% |
 SMSM Energy Co. COM | 0.10% | 0.81% | 0.10% |
 CECelanese Corporation COM | 0.10% | 0.48% | 0.10% |
 MTCHMatch Group Inc COM | 0.10% | 0.99% | 0.10% |
 SMTCSemtech Corporation COM | 0.10% | 0.49% | 0.10% |
 MOHMolina Healthcare, Inc. COM | 0.10% | 1.04% | 0.10% |
 LNCLincoln National Corp. COM | 0.09% | 0.70% | 0.09% |
 QRVOQorvo Inc COM | 0.09% | 0.38% | 0.09% |
 LUMNLumen Technologies Inc COM | 0.09% | 0.66% | 0.09% |
 TRNOTerreno Realty Corporation COM | 0.09% | 0.24% | 0.09% |
 EPRTEssential Properties Realty Trust Inc. COM | 0.09% | 0.25% | 0.09% |
 NENoble Corporation PLC ORD SHS A | 0.09% | 0.32% | 0.09% |
 GKOSGlaukos Corp. COM | 0.08% | 0.21% | 0.08% |
 KMXCarmax Inc COM | 0.08% | 0.74% | 0.08% |
 LWLamb Weston Holdings Inc COM | 0.08% | 0.70% | 0.08% |
 CRCCalifornia Resources Corporation COM STOCK | 0.08% | 0.54% | 0.08% |
 MKTXMarketAxess Holdings Inc. COM | 0.08% | 0.26% | 0.08% |
| Gates Industrial Corp PLC COM USD0.01 | 0.08% | 0.35% | 0.08% |
 PAYCPaycom Software Inc COM | 0.08% | 0.80% | 0.08% |
 MGYMagnolia Oil & Gas Corporation CL A | 0.08% | 0.58% | 0.08% |
 PLXSPlexus Corp COM | 0.08% | 0.47% | 0.08% |
 BCPCBalchem Corp COM | 0.08% | 0.24% | 0.08% |
Showing the top 250 of 364 shared holdings by overlap weight.
Frequently Asked Questions
How much do VB and VIOV overlap?
VB and VIOV overlap by 12.8% of portfolio weight. They share 364 holdings (VB holds 1312 positions and VIOV holds 460), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VB and VIOV?
The two portfolios are 12.8% 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 VB and VIOV?
The largest positions held by both funds are EMN, ESI, LKQ, JXN and SM. Together the top 10 shared positions account for 8% of the total overlap.
What does VB own that VIOV doesn't?
948 positions (86.9% of VB) are unique to VB, led by EME, NRG and ATO. In the other direction, 96 positions (12.1% of VIOV) are unique to VIOV.