IWM vs OMFS: holdings overlap, shared companies and scores
As of October 9, 2026, IWM and OMFS overlap 51.3% by weight. iShares Russell 2000 ETF (IWM): Russell 2000 index. Invesco Russell 2000 Dynamic Multifactor ETF (OMFS): U.S. small-cap stocks.
Updated October 9, 2026
Where IWM and OMFS 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.
OMFS trades at 17.2 times earnings, against its own median of 16.1, and is more expensive than 57% of its own last 9 years.
What moved IWM and OMFS 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.
OMFS fell 0.6% in the week to October 9, 2026. The holdings that moved it most were Kulicke & Soffa Industries (−8.7%), Travere Therapeutics (−8.4%) and Wisdomtree Investments (−7.3%); RXO (+24.4%) pushed the other way.
What do IWM and OMFS each hold?
What's inside IWM: Tech 15%, Semiconductors 3%.
3% of IWM is its ten largest holdings.
What's inside OMFS: Tech 14%, Semiconductors 4%.
12% of OMFS is its ten largest holdings.
How much do IWM and OMFS overlap? 51.3% by weight
As of October 9, 2026, IWM and OMFS overlap 51.3% by weight.
73% of IWM is already inside OMFS.
100% of OMFS is already inside IWM.
IWM holds 1,975 companies and OMFS holds 1,103; 1,103 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 OMFS? 3.5 and 3.7 out of 10
As of October 9, 2026, ETF Copilot scores IWM 3.5 out of 10 and OMFS 3.7 out of 10.
They differ most on Value: IWM 7.4 and OMFS 3.9.
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 | OMFS |
|---|---|---|
| Growth | 3.0 | 5.7 |
| Value | 7.4 | 3.9 |
| Risk | 2.6 | 3.5 |
| Quality | 0.5 | 1.8 |
| Return | 4.0 | 2.9 |
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, OMFS charges 0.39% a year, yields 1.28% and holds $265M in assets across 1103 positions.
| Measure | IWM | OMFS |
|---|---|---|
| Expense ratio | 0.19% | 0.39% |
| Dividend yield | 0.97% | 1.28% |
| Assets under management | $78.2B | $265M |
| Holdings | 1975 | 1103 |
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 OMFS holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/iwm-vs-omfs
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