ETF comparison
VIOO vs VTWO
Both US Small Cap.
Vanguard S&P Small-Cap 600 Index Fund ETF Shares · Vanguard Russell 2000 Index Fund ETF Shares
Holdings overlap
542 positions appear in both funds. Buying equal dollars of VIOO and VTWO would leave roughly 47.3% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
VTWO is 1 bps cheaper than VIOO. On a $100,000 position that's about $10/yr more in fees for VIOO.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with VIOO vs VTWO.
Top shared holdings
542 shared in total| # | Holding | In VIOO | In VTWO | Overlap |
|---|---|---|---|---|
| 1 | Glaukos Corp | 0.59% | 0.33% | 0.33% |
| 2 | Brinker International Inc | 0.55% | 0.32% | 0.32% |
| 3 | Protagonist Therapeutics Inc | 0.50% | 0.29% | 0.29% |
| 4 | SM Energy Co | 0.47% | 0.29% | 0.29% |
| 5 | Jackson Financial Inc | 0.52% | 0.28% | 0.28% |
| 6 | Ryman Hospitality Properties Inc | 0.48% | 0.27% | 0.27% |
| 7 | Viasat Inc | 0.51% | 0.27% | 0.27% |
| 8 | TG Therapeutics Inc | 0.40% | 0.25% | 0.25% |
| 9 | Alkermes PLC | 0.38% | 0.25% | 0.25% |
| 10 | StoneX Group Inc | 0.40% | 0.24% | 0.24% |
| 11 | ESCO Technologies Inc | 0.40% | 0.23% | 0.23% |
| 12 | Zurn Elkay Water Solutions Corp | 0.40% | 0.23% | 0.23% |
Only in VIOO
63 total- Corcept Therapeutics Inc 0.60%
- Paycom Software Inc 0.55%
- Match Group Inc 0.53%
- CarMax Inc 0.49%
- Eastman Chemical Co 0.46%
- Element Solutions Inc 0.45%
- FormFactor Inc 0.44%
- Etsy Inc 0.43%
- Qorvo Inc 0.43%
- Conagra Brands Inc 0.43%
Only in VTWO
1,449 total- JFrog Ltd 0.35%
- Moog Inc 0.34%
- UMB Financial Corp 0.33%
- BrightSpring Health Services Inc 0.30%
- Krystal Biotech Inc 0.30%
- Cytokinetics Inc 0.30%
- Twist Bioscience Corp 0.29%
- Old National Bancorp/IN 0.29%
- CareTrust REIT Inc 0.28%
- FirstCash Holdings Inc 0.28%
Related comparisons
More comparisons with VIOO
- VIOO vs IWM · iShares Russell 2000 ETF 46.8%
- VIOO vs IWN · iShares Russell 2000 Value ETF 43.4%
- VIOO vs IWO · iShares Russell 2000 Growth ETF 37.7%
- VIOO vs FNDA · Schwab Fundamental U.S. Small Company ETF 37.6%
- VIOO vs SCHA · Schwab U.S. Small-Cap ETF 35.2%
- VIOO vs DFAS · DFA U.S. Small Cap Portfolio-ETF Class Shares 34.7%
More comparisons with VTWO
- VTWO vs SPSM · State Street SPDR Portfolio S&P 600 Small Cap ETF 46.9%
- VTWO vs IJR · iShares Core S&P Small-Cap ETF 46.5%
- VTWO vs FNDA · Schwab Fundamental U.S. Small Company ETF 40.2%
- VTWO vs DFAT · DFA U.S. Targeted Value Portfolio-ETF Class Shares 34.8%
- VTWO vs VIOV · Vanguard S&P Small-Cap 600 Value Index Fund ETF Shares 33.2%
- VTWO vs IJS · iShares S&P Small-Cap 600 Value ETF 32.2%
Percentages are holdings overlap with the named fund.
Open VIOO or VTWO at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.