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IWOvsJSMLETF Comparison
iShares Russell 2000 Growth ETF (IWO) and Janus Henderson Small Cap Growth Alpha ETF (JSML) belong to the same industry segment: US Small Cap Growth. Both ETFs have the same top 3 sector exposures: Health Care, Information Technology and Industrials. IWO is less expensive with a Total Expense Ratio (TER) of 0.24%, versus 0.3% for JSML. IWO is up 0.46% year-to-date (YTD) with -$633M in YTD flows. JSML performs worse with -1.71% YTD performance, and +$28M in YTD flows. Run a side-by-side ETF comparison of IWO and JSML below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IWO vs JSML performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWO JSML | -4.23%-6.02% | -4.03%-4.37% | +0.46%-1.71% | +26.32%+21.46% | +52.50%+52.63% | +5.81%+9.69% |
| Flows | IWO JSML | -$136M+$2M | -$586M+$30M | -$633M+$28M | -$792M-$4M | -$680M+$147M | -$522M+$142M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWO JSML | +21.07%+19.45% | +25.00%+23.29% | +22.15%+21.45% | +24.55%+23.95% |
| Max drawdown | IWO JSML | -9.46%-9.72% | -17.18%-12.69% | -28.47%-25.88% | -40.45%-37.88% |
| Max drawdown duration | IWO JSML | 48d47d | 46d44d | 280d287d | 1409d1160d |
IWO | JSML | |
Last sale 3/12/2026 at 1:30 PM | $316.45 | $70.12 |
| Previous close 03/11/2026 | $324.87 | $72.10 |
| Consolidated volume 03/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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IWO | JSML | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IWO | JSML | |
|---|---|---|
| Last price | $316.45 | $70.12 |
| 1D performance | -2.59% | -2.75% |
| AuM | $12.70 B | $278.62 M |
| E/R | 0.24% | 0.3% |
IWO | JSML | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Janus Henderson Investors |
| Benchmark | Russell 2000 Growth Index | - |
| N° of holdings | 906 | 108 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 24, 2000 | February 23, 2016 |
| ESG | No | No |
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 IWO and JSML ETFs performed in 2026?
As of March 11, 2026, IWO is up 0.46% year-to-date (YTD), while JSML has lost -1.71%. That puts IWO better performer ahead so far this year.
Which ETF is attracting more investor money: IWO or JSML?
Year-to-date, the IWO ETF saw -$633M in flows, compared to +$28M for JSML.
Which ETF is more volatile: IWO or JSML?
Over the past year, IWO had a volatility of 25%, while JSML experienced 23.29%.
Which ETF is bigger: IWO or JSML?
As of March 11, 2026, IWO holds $12.70 B in assets under management (AUM), while JSML manages $278.62 M.
What sectors do the IWO and JSML ETFs invest in?
IWO leans toward sectors like Health Care, Information Technology and Industrials. Meanwhile, JSML focuses on Health Care, Information Technology and Industrials.
What are the top holdings of the IWO ETF and JSML ETF?
IWO top holdings include BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and KRATOS DEFENSE AND SECURITY SOLS. JSML holds in its top three: BLOOM ENERGY CORP, ENOVA INTERNATIONAL and CACTUS INC.
Which ETF is more diversified: IWO or JSML?
IWO holds 1094 securities with 13.7% of its assets in the top 15. JSML has 110 securities and a top 15 weight of 26.24%.
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