ETF comparison
IWM vs VTWO
Both US Small Cap.
iShares Russell 2000 ETF · Vanguard Russell 2000 Index Fund ETF Shares
Holdings overlap
1,942 positions appear in both funds. Buying equal dollars of IWM and VTWO would leave roughly 90.8% 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 13 bps cheaper than IWM. On a $100,000 position that's about $130/yr more in fees for IWM.
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 IWM vs VTWO.
Top shared holdings
1,942 shared in total| # | Holding | In IWM | In VTWO | Overlap |
|---|---|---|---|---|
| 1 | Moog, Inc. | 0.38% | 0.34% | 0.34% |
| 2 | UMB Financial Corp. | 0.33% | 0.33% | 0.33% |
| 3 | JFrog Ltd. | 0.31% | 0.35% | 0.31% |
| 4 | BrightSpring Health Services, Inc. | 0.35% | 0.30% | 0.30% |
| 5 | Krystal Biotech, Inc. | 0.30% | 0.30% | 0.30% |
| 6 | Cytokinetics, Inc. | 0.35% | 0.30% | 0.30% |
| 7 | CareTrust REIT, Inc. | 0.28% | 0.28% | 0.28% |
| 8 | Old National Bancorp | 0.28% | 0.29% | 0.28% |
| 9 | FirstCash Holdings, Inc. | 0.28% | 0.28% | 0.28% |
| 10 | Viasat, Inc. | 0.35% | 0.27% | 0.27% |
| 11 | Praxis Precision Medicines, Inc. | 0.26% | 0.28% | 0.26% |
| 12 | Hut 8 Corp. | 0.37% | 0.26% | 0.26% |
Only in IWM
72 total- Taylor Morrison Home Corp. 0.21%
- Nuvalent, Inc. 0.21%
- Marex Group plc 0.12%
- Catalyst Pharmaceuticals, Inc. 0.11%
- Stellar Bancorp, Inc. 0.06%
- Leggett & Platt, Inc. 0.05%
- Apollo Commercial Real Estate Finance, Inc. 0.05%
- Two Harbors Investment Corp. 0.04%
- SkyWater Technology, Inc. 0.04%
- Expro Group Holdings NV 0.04%
Only in VTWO
49 total- Marex Group Ltd 0.14%
- Columbia Financial Inc 0.10%
- Expro Ltd 0.05%
- ADI Global Distribution Inc 0.05%
- Tecnoglass Holdings Inc 0.03%
- Service Properties Trust 0.03%
- Wave Life Sciences Inc 0.02%
- Real REMAX Group Inc 0.01%
- Rhinebeck Bancorp Inc 0.00%
- ERock Inc 0.00%
Related comparisons
More comparisons with IWM
- IWM vs BBSC · JPMorgan BetaBuilders U.S. Small Cap Equity ETF 64.1%
- IWM vs SCHA · Schwab U.S. Small-Cap ETF 58.1%
- IWM vs IWO · iShares Russell 2000 Growth ETF 56.9%
- IWM vs IWN · iShares Russell 2000 Value ETF 53.6%
- IWM vs DFAS · DFA U.S. Small Cap Portfolio-ETF Class Shares 50.7%
- IWM vs SPSM · State Street SPDR Portfolio S&P 600 Small Cap ETF 47.1%
More comparisons with VTWO
- VTWO vs BBSC · JPMorgan BetaBuilders U.S. Small Cap Equity ETF 65.2%
- VTWO vs SCHA · Schwab U.S. Small-Cap ETF 58.6%
- VTWO vs IWO · iShares Russell 2000 Growth ETF 55.2%
- VTWO vs IWN · iShares Russell 2000 Value ETF 54.2%
- VTWO vs DFAS · DFA U.S. Small Cap Portfolio-ETF Class Shares 51.0%
- VTWO vs VIOO · Vanguard S&P Small-Cap 600 Index Fund ETF Shares 47.3%
Percentages are holdings overlap with the named fund.
Open IWM 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.