IWO vs VTWO: holdings overlap, shared companies and scores
As of October 9, 2026, IWO and VTWO overlap 55.0% by weight. iShares Russell 2000 Growth ETF (IWO): Russell 2000 Growth index. Vanguard Russell 2000 ETF (VTWO): U.S. small-cap stocks.
Updated October 9, 2026
Where IWO and VTWO trade against their own history
IWO trades at 22.8 times earnings, against its own median of 22.7, and is more expensive than 51% of its own last 9 years.
VTWO trades at 16.6 times earnings, against its own median of 16.9, and is cheaper than 57% of its own last 9 years.
What moved IWO and VTWO this week
IWO fell 1.1% 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.
VTWO fell 0.9% in the week to October 9, 2026. The holdings that moved it most were Twist Bioscience (−15.3%), Praxis Precision Medicines (−12.1%) and 10X Genomics (−13.7%); Vaxcyte (+26.4%) pushed the other way.
What do IWO and VTWO each hold?
What's inside IWO: Tech 23%, Semiconductors 5%.
6% of IWO is its ten largest holdings.
What's inside VTWO: Tech 14%, Semiconductors 2%.
3% of VTWO is its ten largest holdings.
How much do IWO and VTWO overlap? 55.0% by weight
As of October 9, 2026, IWO and VTWO overlap 55.0% by weight.
100% of IWO is already inside VTWO.
64% of VTWO is already inside IWO.
IWO holds 1,117 companies and VTWO holds 1,988; 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 IWO and VTWO? 4.1 and 3.5 out of 10
As of October 9, 2026, ETF Copilot scores IWO 4.1 out of 10 and VTWO 3.5 out of 10.
They differ most on Growth: IWO 6.5 and VTWO 2.8.
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 | IWO | VTWO |
|---|---|---|
| Growth | 6.5 | 2.8 |
| Value | 6.8 | 7.4 |
| Risk | 1.8 | 2.6 |
| Quality | 0.6 | 0.6 |
| Return | 3.6 | 4.1 |
VTWO is the cheaper of the two at 0.06% a year
As of October 9, 2026, IWO charges 0.24% a year, yields 0.45% and holds $14.0B in assets across 1117 positions.
As of October 9, 2026, VTWO charges 0.06% a year, yields 1.20% and holds $18.4B in assets across 1988 positions.
| Measure | IWO | VTWO |
|---|---|---|
| Expense ratio | 0.24% | 0.06% |
| Dividend yield | 0.45% | 1.20% |
| Assets under management | $14.0B | $18.4B |
| Holdings | 1117 | 1988 |
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, “IWO vs VTWO holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/iwo-vs-vtwo
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