IWM vs JSML: holdings overlap, shared companies and scores
As of October 9, 2026, IWM and JSML overlap 14.9% by weight. iShares Russell 2000 ETF (IWM): Russell 2000 index. Janus Henderson Small Cap Growth Alpha ETF (JSML): U.S. small-cap growth stocks.
Updated October 9, 2026
Where IWM and JSML trade against their own history
IWM trades at 16.7 times earnings, against its own median of 17.1, and is cheaper than 60% of its own last 9 years.
JSML trades at 20.7 times earnings, against its own median of 19.5, and is more expensive than 61% of its own last 9 years.
What moved IWM this week
IWM fell 0.9% in the week to October 9, 2026. The holdings that moved it most were Twist Bioscience (−15.3%), 10X Genomics (−13.7%) and AXT (−20.3%); Vaxcyte (+26.4%) pushed the other way.
What do IWM and JSML each hold?
What's inside IWM: Tech 15%, Semiconductors 3%.
3% of IWM is its ten largest holdings.
What's inside JSML: Tech 25%, Semiconductors 5%.
18% of JSML is its ten largest holdings.
How much do IWM and JSML overlap? 14.9% by weight
As of October 9, 2026, IWM and JSML overlap 14.9% by weight.
15% of IWM is already inside JSML.
100% of JSML is already inside IWM.
IWM holds 1,975 companies and JSML holds 121; 121 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IWM and JSML? 3.5 and 3.9 out of 10
As of October 9, 2026, ETF Copilot scores IWM 3.5 out of 10 and JSML 3.9 out of 10.
They differ most on Value: IWM 7.4 and JSML 4.4.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | IWM | JSML |
|---|---|---|
| Growth | 3.0 | 4.5 |
| Value | 7.4 | 4.4 |
| Risk | 2.6 | 2.1 |
| Quality | 0.5 | 1.8 |
| Return | 4.0 | 5.6 |
IWM is the cheaper of the two at 0.19% a year
As of October 9, 2026, IWM charges 0.19% a year, yields 0.97% and holds $78.2B in assets across 1975 positions.
As of October 9, 2026, JSML charges 0.30% a year, yields 0.29% and holds $355M in assets across 121 positions.
| Measure | IWM | JSML |
|---|---|---|
| Expense ratio | 0.19% | 0.30% |
| Dividend yield | 0.97% | 0.29% |
| Assets under management | $78.2B | $355M |
| Holdings | 1975 | 121 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Compare with similar funds
Cite this
ETF Copilot, “IWM vs JSML holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/iwm-vs-jsml
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