ETF comparison
IJR vs IWM
Both US Small Cap.
Holdings overlap
542 positions appear in both funds. Buying equal dollars of IJR and IWM would leave roughly 46.8% 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
IJR 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 IJR vs IWM.
Top shared holdings
542 shared in total| # | Holding | In IJR | In IWM | Overlap |
|---|---|---|---|---|
| 1 | VIASAT INC | 0.66% | 0.35% | 0.35% |
| 2 | BRIGHTSPRING HEALTH SERVICES INC | 0.60% | 0.35% | 0.35% |
| 3 | MAXLINEAR INC | 0.58% | 0.34% | 0.34% |
| 4 | ARGAN INC | 0.60% | 0.34% | 0.34% |
| 5 | KRYSTAL BIOTECH INC | 0.53% | 0.30% | 0.30% |
| 6 | ESCO TECHNOLOGIES INC | 0.49% | 0.29% | 0.29% |
| 7 | ALKERMES PLC | 0.47% | 0.27% | 0.27% |
| 8 | STONEX GROUP INC | 0.46% | 0.27% | 0.27% |
| 9 | PLEXUS CORP | 0.44% | 0.25% | 0.25% |
| 10 | ENPRO INC | 0.43% | 0.25% | 0.25% |
| 11 | RYMAN HOSPITALITY PROPERTIES INC | 0.44% | 0.25% | 0.25% |
| 12 | GLAUKOS CORP | 0.44% | 0.25% | 0.25% |
Only in IJR
61 total- FORMFACTOR INC 0.67%
- MOLINA HEALTHCARE INC 0.64%
- ELEMENT SOLUTIONS INC 0.59%
- MATCH GROUP INC 0.48%
- EVERUS CONSTRUCTION GROUP INC 0.46%
- CORCEPT THERAPEUTICS INC 0.45%
- RALLIANT CORP 0.45%
- POWELL INDUSTRIES INC 0.44%
- EASTMAN CHEMICAL COMPANY 0.41%
- CARMAX INC 0.41%
Only in IWM
1,472 total- Moog, Inc. 0.38%
- Hut 8 Corp. 0.37%
- Cytokinetics, Inc. 0.35%
- UMB Financial Corp. 0.33%
- JFrog Ltd. 0.31%
- Riot Platforms, Inc. 0.30%
- CareTrust REIT, Inc. 0.28%
- Old National Bancorp 0.28%
- FirstCash Holdings, Inc. 0.28%
- Compass, Inc. 0.27%
Related comparisons
More comparisons with IJR
- IJR vs IWN · iShares Russell 2000 Value ETF 42.5%
- IJR vs VTWO · Vanguard Russell 2000 Index Fund ETF Shares 40.2%
- IJR vs IWO · iShares Russell 2000 Growth ETF 40.1%
- IJR vs FNDA · Schwab Fundamental U.S. Small Company ETF 35.6%
- IJR vs DFAS · U.S. Small Cap Portfolio-ETF Class Shares 34.1%
- IJR vs SCHA · Schwab U.S. Small-Cap ETF 33.9%
More comparisons with IWM
- IWM vs VIOO · Vanguard S&P Small-Cap 600 Index Fund ETF Shares 46.0%
- IWM vs FNDA · Schwab Fundamental U.S. Small Company ETF 38.1%
- IWM vs DFAT · U.S. Targeted Value Portfolio-ETF Class Shares 33.7%
- IWM vs IJS · iShares S&P Small-Cap 600 Value ETF 31.8%
- IWM vs VIOV · Vanguard S&P Small-Cap 600 Value Index Fund ETF Shares 31.2%
- IWM vs VIOG · Vanguard S&P Small-Cap 600 Growth Index Fund ETF Shares 30.7%
Percentages are holdings overlap with the named fund.
Open IJR or IWM 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.