VIOO vs VTWO: Holdings Overlap
VIOOVanguard S&P Small-cap 600 Index Fund
Vanguard · 603 holdings · $4.4B · as of 2026-05-31
VTWOVanguard Russell 2000 Index Fund
Vanguard · 1952 holdings · $17.4B · as of 2026-05-31
How similar are VIOO and VTWO?
Vanguard S&P Small-cap 600 Index Fund (VIOO, by Vanguard) holds 603 positions; Vanguard Russell 2000 Index Fund (VTWO, by Vanguard) holds 1952. They have 533 holdings in common, and by portfolio weight the two funds are 40.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 40.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 533VIOO holds 603 · VTWO holds 1952
- Weight in Shared Holdings
- VIOO 83%·VTWO 41%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 VIOO
70 of 603 positions (17.2% of the fund) are not held by VTWO. Showing the top 30 by weight.
Only in VTWO
1419 of 1952 positions (58.8% of the fund) are not held by VIOO. Showing the top 30 by weight.
Sector Breakdown
| Sector | VIOO | VTWO |
|---|---|---|
| Industrials | 17.2% | 19.4% |
| Information Technology | 15.9% | 17.8% |
| Financials | 17.6% | 14.3% |
| Health Care | 11.0% | 15.5% |
| Consumer Discretionary | 12.9% | 7.3% |
| Other Sectors | 25.2% | 20.8% |
| Unclassified | 0.0% | 4.8% |
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 (0% of VIOO, 5% of VTWO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VIOO | +2.4% | +24.4% | +36.3% | +14.6% | +7.7% | +10.9% | 1.09% |
| VTWO | +1.8% | +23.1% | +38.8% | +17.3% | +7.7% | +11.0% | 1.07% |
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 VIOO vs VTWO →
Shared Holdings(533)
The top 10 shared positions account for 7% of the overlap, led by SMTC, SANM and VIAV.
 SMTCSemtech Corporation COM | 0.83% | 0.42% | 0.42% |
|---|---|---|---|
 SANMSanmina Corporation | 0.83% | 0.41% | 0.41% |
 VIAVViavi Solutions Inc COM | 0.66% | 0.33% | 0.33% |
 LUMNLumen Technologies Inc COM | 0.61% | 0.31% | 0.31% |
 VSATViaSat, Inc. COM | 0.64% | 0.29% | 0.29% |
 FORMFormfactor Inc COM | 0.57% | 0.28% | 0.28% |
 AGXArgan Inc COM | 0.54% | 0.26% | 0.26% |
 SNEXStoneX Group Inc COM | 0.47% | 0.24% | 0.24% |
 POWLPowell Industries Inc. COM | 0.47% | 0.24% | 0.24% |
 BTSGBrightSpring Health Services Inc. COM | 0.48% | 0.23% | 0.23% |
 KRYSKrystal Biotech Inc COM | 0.47% | 0.22% | 0.22% |
 SMSM Energy Co. COM | 0.41% | 0.22% | 0.22% |
 ESEESCO Technologies Inc. COM | 0.44% | 0.22% | 0.22% |
 MXLMaxlinear Inc COM | 0.44% | 0.22% | 0.22% |
 MYRGMYR Group, Inc. | 0.42% | 0.21% | 0.21% |
 PLXSPlexus Corp COM | 0.42% | 0.21% | 0.21% |
 RHPRyman Hospitality Properties Inc COM | 0.43% | 0.21% | 0.21% |
 ZWSZurn Elkay Water Solutions Corporation COM | 0.41% | 0.21% | 0.21% |
 JBTMJBT Marel Corp. COM | 0.41% | 0.21% | 0.21% |
 JXNJackson Financial, Inc., Class A | 0.43% | 0.20% | 0.20% |
 ALKSAlkermes PLC COM USD0.01 | 0.35% | 0.20% | 0.20% |
 PRIMPrimoris Services Corp. COM | 0.40% | 0.20% | 0.20% |
 TRNOTerreno Realty Corporation COM | 0.40% | 0.20% | 0.20% |
 NPOEnpro Inc COM | 0.38% | 0.19% | 0.19% |
 FSSFederal Signal Corp. COM | 0.38% | 0.19% | 0.19% |
Showing the top 250 of 533 shared holdings by overlap weight.
Frequently Asked Questions
How much do VIOO and VTWO overlap?
VIOO and VTWO overlap by 40.9% of portfolio weight. They share 533 holdings (VIOO holds 603 positions and VTWO holds 1952), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VIOO and VTWO?
The two portfolios are 40.9% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of VIOO and VTWO?
The largest positions held by both funds are SMTC, SANM, VIAV, LUMN and VSAT. Together the top 10 shared positions account for 7% of the total overlap.
What does VIOO own that VTWO doesn't?
70 positions (17.2% of VIOO) are unique to VIOO, led by ESI, ENPH and MOH. In the other direction, 1419 positions (58.8% of VTWO) are unique to VTWO.