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IWMvsIWMWETF Comparison
iShares Russell 2000 ETF (IWM) belongs to the US Small Cap segment. iShares Russell 2000 BuyWrite ETF (IWMW) is part of the Options Strategies segment. Both ETFs have the same top 3 sector exposures: Industrials, Financials and Health Care. IWM is less expensive with a Total Expense Ratio (TER) of 0.19%, versus 0.39% for IWMW. IWM is up 0.13% year-to-date (YTD) with -$5.60B in YTD flows. IWMW performs worse with -1.16% YTD performance, and +$13M in YTD flows. Run a side-by-side ETF comparison of IWM and IWMW below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IWM vs IWMW performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWM IWMW | -6.19%-4.09% | -1.74%-1.22% | +0.13%-1.16% | +25.94%+14.82% | +47.79%n/a | +11.79%n/a |
| Flows | IWM IWMW | -$3.14B+$4M | -$5.49B+$15M | -$5.60B+$13M | -$8.39B+$27M | -$1.14B- | -$7.65B- |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWM IWMW | +18.64%+13.59% | +23.15%+17.54% | +21.20%n/a | +22.68%n/a |
| Max drawdown | IWM IWMW | -8.62%-5.78% | -16.45%-14.60% | -27.52%n/a | -31.96%n/a |
| Max drawdown duration | IWM IWMW | 50d15d | 52d98d | 289dn/a | 1093dn/a |
IWM | IWMW | |
Last sale 3/13/2026 at 1:30 PM | $246.59 | $36.94 |
| Previous close 03/12/2026 | $247.41 | $37.07 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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IWM | IWMW | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IWM | IWMW | |
|---|---|---|
| Last price | $246.59 | $36.94 |
| 1D performance | -0.33% | -0.35% |
| AuM | $68.44 B | $45.75 M |
| E/R | 0.19% | 0.39% |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the IWM and IWMW ETFs performed in 2026?
As of March 13, 2026, IWM is up 0.13% year-to-date (YTD), while IWMW has lost -1.16%. That puts IWM better performer ahead so far this year.
Which ETF is attracting more investor money: IWM or IWMW?
Year-to-date, the IWM ETF saw -$5.60B in flows, compared to +$13M for IWMW.
Which ETF is more volatile: IWM or IWMW?
Over the past year, IWM had a volatility of 23.15%, while IWMW experienced 17.54%.
Which ETF is bigger: IWM or IWMW?
As of March 13, 2026, IWM holds $68.44 B in assets under management (AUM), while IWMW manages $45.75 M.
What sectors do the IWM and IWMW ETFs invest in?
IWM leans toward sectors like Industrials, Financials and Health Care. Meanwhile, IWMW focuses on Industrials, Financials and Health Care.
What are the top holdings of the IWM ETF and IWMW ETF?
IWM top holdings include BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and KRATOS DEFENSE AND SECURITY SOLS. IWMW holds in its top three: BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and KRATOS DEFENSE AND SECURITY SOLS.
Which ETF is more diversified: IWM or IWMW?
IWM holds 1942 securities with 7.78% of its assets in the top 15. IWMW has 1942 securities and a top 15 weight of 8.07%.
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