ETF comparison
IWN vs IWO
Both US Small Cap.
iShares Russell 2000 Value ETF · iShares Russell 2000 Growth ETF
Holdings overlap
538 positions appear in both funds. Buying equal dollars of IWN and IWO would leave roughly 10.8% 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
Expense ratios are effectively identical (0.24% vs 0.24%).
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 IWN vs IWO.
Top shared holdings
538 shared in total| # | Holding | In IWN | In IWO | Overlap |
|---|---|---|---|---|
| 1 | Hut 8 Corp. | 0.36% | 0.38% | 0.36% |
| 2 | Riot Platforms, Inc. | 0.21% | 0.39% | 0.21% |
| 3 | Vaxcyte, Inc. | 0.16% | 0.29% | 0.16% |
| 4 | Fluor Corp. | 0.34% | 0.14% | 0.14% |
| 5 | Arcosa, Inc. | 0.32% | 0.13% | 0.13% |
| 6 | First Financial Bankshares, Inc. | 0.16% | 0.13% | 0.13% |
| 7 | Champion Homes, Inc. | 0.18% | 0.13% | 0.13% |
| 8 | Alkermes plc | 0.11% | 0.42% | 0.11% |
| 9 | Valley National Bancorp | 0.34% | 0.11% | 0.11% |
| 10 | PJT Partners, Inc. | 0.11% | 0.12% | 0.11% |
| 11 | OPENLANE, Inc. | 0.17% | 0.11% | 0.11% |
| 12 | Benchmark Electronics, Inc. | 0.12% | 0.10% | 0.10% |
Only in IWN
884 total- Viasat, Inc. 0.74%
- CareTrust REIT, Inc. 0.59%
- Terex Corp. 0.54%
- JBT Marel Corp. 0.50%
- Lumen Technologies, Inc. 0.48%
- Terreno Realty Corp. 0.45%
- Taylor Morrison Home Corp. 0.44%
- Vishay Intertechnology, Inc. 0.43%
- Essential Properties Realty Trust, Inc. 0.43%
- Macerich Co. (The) 0.43%
Only in IWO
595 total- Moog, Inc. 0.73%
- BrightSpring Health Services, Inc. 0.68%
- MaxLinear, Inc. 0.66%
- Argan, Inc. 0.66%
- JFrog Ltd. 0.59%
- Krystal Biotech, Inc. 0.58%
- ESCO Technologies, Inc. 0.56%
- FirstCash Holdings, Inc. 0.53%
- D-Wave Quantum, Inc. 0.53%
- StoneX Group, Inc. 0.52%
Related comparisons
More comparisons with IWN
- IWN vs CALF · Pacer US Small Cap Cash Cows 100 ETF 8.4%
- IWN vs IJH · iShares Core S&P Mid-Cap ETF 8.0%
- IWN vs VBK · Vanguard Morningstar Small-Cap Growth ETF 7.5%
- IWN vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 2.6%
- IWN vs VTI · Vanguard Morningstar Total Stock Market ETF 2.5%
- IWN vs SCHB · Schwab U.S. Broad Market ETF 2.3%
More comparisons with IWO
- IWO vs VBR · Vanguard Morningstar Small-Cap Value ETF 10.2%
- IWO vs DFSV · DFA U.S. Small Cap Value Portfolio – ETF Class Shares 6.5%
- IWO vs CALF · Pacer US Small Cap Cash Cows 100 ETF 6.2%
- IWO vs IJH · iShares Core S&P Mid-Cap ETF 4.4%
- IWO vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 2.8%
- IWO vs VTI · Vanguard Morningstar Total Stock Market ETF 2.8%
Percentages are holdings overlap with the named fund.
Open IWN 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.