ETF comparison
IJR vs IWO
Both US Small Cap.
iShares Core S&P Small-Cap ETF · iShares Russell 2000 Growth ETF
Holdings overlap
282 positions appear in both funds. Buying equal dollars of IJR and IWO would leave roughly 40.1% 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 18 bps cheaper than IWO. On a $100,000 position that's about $180/yr more in fees for IWO.
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 IWO.
Top shared holdings
282 shared in total| # | Holding | In IJR | In IWO | Overlap |
|---|---|---|---|---|
| 1 | ARGAN INC | 0.60% | 0.66% | 0.60% |
| 2 | BRIGHTSPRING HEALTH SERVICES INC | 0.60% | 0.68% | 0.60% |
| 3 | MAXLINEAR INC | 0.58% | 0.66% | 0.58% |
| 4 | KRYSTAL BIOTECH INC | 0.53% | 0.58% | 0.53% |
| 5 | ESCO TECHNOLOGIES INC | 0.49% | 0.56% | 0.49% |
| 6 | STONEX GROUP INC | 0.46% | 0.52% | 0.46% |
| 7 | GLAUKOS CORP | 0.44% | 0.48% | 0.44% |
| 8 | RYMAN HOSPITALITY PROPERTIES INC | 0.44% | 0.48% | 0.44% |
| 9 | PLEXUS CORP | 0.44% | 0.49% | 0.44% |
| 10 | ENPRO INC | 0.43% | 0.46% | 0.43% |
| 11 | FEDERAL SIGNAL CORP | 0.42% | 0.47% | 0.42% |
| 12 | MYR GROUP INC | 0.42% | 0.47% | 0.42% |
Only in IJR
321 total- FORMFACTOR INC 0.67%
- VIASAT INC 0.66%
- 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%
Only in IWO
851 total- Moog, Inc. 0.73%
- JFrog Ltd. 0.59%
- FirstCash Holdings, Inc. 0.53%
- D-Wave Quantum, Inc. 0.53%
- Praxis Precision Medicines, Inc. 0.51%
- Cipher Digital, Inc. 0.50%
- EnerSys 0.49%
- HealthEquity, Inc. 0.46%
- Compass, Inc. 0.45%
- Hims & Hers Health, Inc. 0.45%
Related comparisons
More comparisons with IJR
- 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%
- IJR vs DFSV · DFA U.S. Small Cap Value Portfolio – ETF Class Shares 31.1%
- IJR vs DFAT · U.S. Targeted Value Portfolio-ETF Class Shares 31.0%
- IJR vs AVUV · Avantis US Small Cap Value ETF 27.9%
More comparisons with IWO
- IWO vs VIOO · Vanguard S&P Small-Cap 600 Index Fund ETF Shares 37.7%
- IWO vs IJT · iShares S&P Small-Cap 600 Growth ETF 37.2%
- IWO vs VIOG · Vanguard S&P Small-Cap 600 Growth Index Fund ETF Shares 36.9%
- IWO vs SCHA · Schwab U.S. Small-Cap ETF 32.4%
- IWO vs DFAS · U.S. Small Cap Portfolio-ETF Class Shares 28.3%
- IWO vs VBK · Vanguard Morningstar Small-Cap Growth ETF 20.7%
Percentages are holdings overlap with the named fund.
Open IJR or IWO 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.