IWMvsRESMETF Comparison
iShares Russell 2000 ETF (IWM) belongs to the US Small Cap segment. Columbia Research Enhanced Small Cap ETF (RESM) is part of the US Multi-Factor segment. IWM's top 3 sector exposures are Industrials, Health Care and Financials. In contrast, RESM's top sector exposures are Industrials, Information Technology and Health Care. IWM is less expensive with a Total Expense Ratio (TER) of 0.19%, versus 0.32% for RESM. IWM is up 13.69% year-to-date (YTD) with -$5.35B in YTD flows. RESM performs worse with 10.95% YTD performance, and -$2M in YTD flows. Run a side-by-side ETF comparison of IWM and RESM 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 RESM performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWM RESM | +11.99%+11.39% | +6.82%+4.65% | +13.69%+10.95% | +44.01%n/a | +65.12%n/a | +31.42%n/a |
| Flows | IWM RESM | -$2.89B+$1K | -$1.59B-$2M | -$5.35B-$2M | -$3.95B- | +$222M- | -$3.59B- |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWM RESM | +22.01%+19.21% | +19.47%n/a | +21.26%n/a | +22.62%n/a |
| Max drawdown | IWM RESM | -10.06%-8.43% | -11.03%n/a | -27.52%n/a | -31.96%n/a |
| Max drawdown duration | IWM RESM | 63d43d | 82dn/a | 289dn/a | 1093dn/a |
IWM | RESM | |
Last sale 5/1/2026 at 1:30 PM | $279.28 | $22.58 |
| Previous close 04/29/2026 | $277.97 | $22.52 |
| Consolidated volume 04/29/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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IWM | RESM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IWM | RESM | |
|---|---|---|
| Last price | $279.28 | $22.58 |
| 1D performance | +0.47% | +0.26% |
| AuM | $77.89 B | $3.31 M |
| E/R | 0.19% | 0.32% |
IWM | RESM | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Columbia Threadneedle Investments |
| Benchmark | Russell 2000 Index | - |
| N° of holdings | 1612 | 855 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 22, 2000 | December 11, 2025 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
