VBK vs VIOV: Holdings Overlap
VBKVanguard Small-cap Growth Index Fund
Vanguard · 551 holdings · $24.3B · 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 (VBK: 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 VBK and VIOV?
Vanguard Small-cap Growth Index Fund (VBK, by Vanguard) holds 551 positions; Vanguard S&P Small-cap 600 Value Index Fund (VIOV, by Vanguard) holds 460. They have 92 holdings in common, and by portfolio weight the two funds are 7.4% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 7.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 92VBK holds 551 · VIOV holds 460
- Weight in Shared Holdings
- VBK 7%·VIOV 19%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 VBK
459 of 551 positions (92.3% of the fund) are not held by VIOV. Showing the top 30 by weight.
Sector Breakdown
| Sector | VBK | VIOV |
|---|---|---|
| Industrials | 24.6% | 12.6% |
| Information Technology | 21.6% | 13.3% |
| Financials | 6.1% | 21.0% |
| Health Care | 16.1% | 7.4% |
| Consumer Discretionary | 9.9% | 14.9% |
| Other Sectors | 20.6% | 30.3% |
| Unclassified | 0.9% | 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. “Unclassified” is weight we could not classify (1% of VBK, 0% of VIOV).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VBK | +1.8% | +19.6% | +29.4% | +16.6% | +5.3% | +11.4% | 0.42% |
| 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 VBK vs VIOV →
Shared Holdings(92)
The top 10 shared positions account for 27% of the overlap, led by MTCH, SMTC and EPRT.
 MTCHMatch Group Inc COM | 0.24% | 0.99% | 0.24% |
|---|---|---|---|
 SMTCSemtech Corporation COM | 0.24% | 0.49% | 0.24% |
 EPRTEssential Properties Realty Trust Inc. COM | 0.21% | 0.25% | 0.21% |
 NENoble Corporation PLC ORD SHS A | 0.21% | 0.32% | 0.21% |
 GKOSGlaukos Corp. COM | 0.20% | 0.21% | 0.20% |
 MKTXMarketAxess Holdings Inc. COM | 0.20% | 0.26% | 0.20% |
 PAYCPaycom Software Inc COM | 0.19% | 0.80% | 0.19% |
 BCPCBalchem Corp COM | 0.18% | 0.24% | 0.18% |
 CNRCore Natural Resources Inc. COM SHS | 0.17% | 0.53% | 0.17% |
 MWAMueller Water Products, Inc. COM SER A | 0.14% | 0.16% | 0.14% |
 CSWCSW Industrials Inc. COM | 0.14% | 0.22% | 0.14% |
 BFAMBright Horizons Family Solutions Inc Del COM | 0.15% | 0.14% | 0.14% |
 MCMoelis & Co., Class A | 0.14% | 0.25% | 0.14% |
 ACIWACI Worldwide Inc COM | 0.14% | 0.18% | 0.14% |
 SKYChampion Homes Inc. COM | 0.14% | 0.26% | 0.14% |
 MMSIMerit Medical Systems Inc. COM | 0.14% | 0.16% | 0.14% |
 ITRIItron, Inc. COM | 0.13% | 0.16% | 0.13% |
 RDNTRadnet Inc COM | 0.13% | 0.16% | 0.13% |
 LTHLife Time Group Holdings Inc COMMON STOCK | 0.12% | 0.16% | 0.12% |
 LRNStride Inc COM | 0.12% | 0.45% | 0.12% |
 OIIOceaneering International, Inc. COM | 0.12% | 0.18% | 0.12% |
 CENXCentury Aluminum Company COM | 0.12% | 0.16% | 0.12% |
 FELEFranklin Electric Co Inc COM | 0.12% | 0.20% | 0.12% |
 KAIKadant Inc COM | 0.11% | 0.21% | 0.11% |
 WHDCactus, Inc., Class A | 0.11% | 0.17% | 0.11% |
Frequently Asked Questions
How much do VBK and VIOV overlap?
VBK and VIOV overlap by 7.4% of portfolio weight. They share 92 holdings (VBK holds 551 positions and VIOV holds 460), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VBK and VIOV?
The two portfolios are 7.4% 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 VBK and VIOV?
The largest positions held by both funds are MTCH, SMTC, EPRT, NE and GKOS. Together the top 10 shared positions account for 27% of the total overlap.
What does VBK own that VIOV doesn't?
459 positions (92.3% of VBK) are unique to VBK, led by FTI, CIEN and CASY. In the other direction, 368 positions (80.8% of VIOV) are unique to VIOV.