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IWO tax-loss harvesting alternatives
iShares Russell 2000 Growth ETF (BlackRock) tracks Russell 2000 Growth Benchmark. If you hold IWO at a loss, these ETFs track a different index, which generally makes them less likely to be considered “substantially identical” — while still moving closely with IWO during the 31-day wait.
| Held fund | Index tracked | Issuer | Expense ratio | AUM | Holdings | Category |
|---|---|---|---|---|---|---|
| IWO iShares Russell 2000 Growth ETF | Russell 2000 Growth Benchmark | BlackRock | 0.24% | $13.70B | 1130 | US small cap |
Sources: issuer fund page · public fund profile. Fund data as of 2026-10-16.
IWO wash sale alternatives (different index)
| ETF | Index tracked | Issuer | Expense ratio | AUM | 1-yr correlation | Holdings overlap | Notes |
|---|---|---|---|---|---|---|---|
| VTWO Vanguard Russell 2000 ETF | Russell 2000 | Vanguard | 0.06% | $16.54B | 0.975 | 55.9% | different index |
| IWM iShares Russell 2000 ETF | Russell 2000 | BlackRock | 0.19% | $77.08B | 0.973 | 55.1% | different index |
| VXF Vanguard Extended Market ETF | S&P Completion | Vanguard | 0.05% | $30.34B | 0.957 | 21.6% | different index |
| SCHA Schwab U.S. Small-Cap ETF | Dow Jones US Total Stock Market Small-Cap | Charles Schwab | 0.03% | $21.66B | 0.942 | n/a | different index |
| VB Vanguard Morningstar Small-Cap ETF | Morningstar US Small Cap TR USD | Vanguard | 0.03% | $77.74B | 0.924 | 15.5% | different index |
| SCHM Schwab U.S. Mid-Cap ETF | Dow Jones US Total Stock Market Mid-Cap | Charles Schwab | 0.03% | $14.58B | 0.912 | n/a | different index |
| QQQJ Invesco NASDAQ Next Gen 100 ETF | Nasdaq Next Generation 100 Index | Invesco | 0.15% | $1.18B | 0.907 | n/a | different index |
| VOT Vanguard Morningstar Mid-Cap Growth ETF | Morningstar US Mid Cap Growth TR USD | Vanguard | 0.05% | $19.62B | 0.882 | 0.0% | different index |
Sorted by 1-year correlation of daily total returns with IWO (through 2026-10-16). Holdings overlap = sum of the smaller weight of each common stock, from issuer holdings files; “n/a” where the issuer does not offer a free download or for bond/international/commodity funds. Hover a value for its as-of dates.
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30-day wash-sale calendar for IWO
The window is 30 calendar days before and after the sale (61 days total, IRC §1091(a)). Buying the replacement fund right away is the point of a swap; the dates above are about buying back the fund you sold, or anything substantially identical to it.
Before you swap
- Turn off dividend reinvestment for IWO in every account (including IRAs) for the window — a reinvested dividend is a purchase.
- Check automatic investments, a spouse’s accounts, and any IWO bought in the 30 days before the sale.
- Your broker generally only flags wash sales for the identical security in the same account. You are responsible for the rest.
- Read how wash sales work and the FAQ, then confirm your plan with a tax professional.