IWO vs VTWG: holdings overlap, shared companies and scores
As of October 9, 2026, IWO and VTWG overlap 93.3% by weight. iShares Russell 2000 Growth ETF (IWO): Russell 2000 Growth index. Vanguard Russell 2000 Growth ETF (VTWG): U.S. small-cap growth stocks.
Updated October 9, 2026
Where IWO and VTWG 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.
VTWG trades at 22.3 times earnings, against its own median of 22.6, and is cheaper than 52% of its own last 9 years.
What moved IWO and VTWG 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.
VTWG fell 1.2% 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 VTWG each hold?
What's inside IWO: Tech 23%, Semiconductors 5%.
6% of IWO is its ten largest holdings.
What's inside VTWG: Tech 21%, Semiconductors 4%.
6% of VTWG is its ten largest holdings.
How much do IWO and VTWG overlap? 93.3% by weight
As of October 9, 2026, IWO and VTWG overlap 93.3% by weight.
100% of IWO is already inside VTWG.
99% of VTWG is already inside IWO.
IWO holds 1,117 companies and VTWG holds 1,131; 1,100 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 VTWG? 4.1 and 4.1 out of 10
As of October 9, 2026, ETF Copilot scores IWO 4.1 out of 10 and VTWG 4.1 out of 10.
They differ most on Value: IWO 6.8 and VTWG 7.2.
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 | VTWG |
|---|---|---|
| Growth | 6.5 | 6.4 |
| Value | 6.8 | 7.2 |
| Risk | 1.8 | 1.8 |
| Quality | 0.6 | 0.6 |
| Return | 3.6 | 3.7 |
VTWG 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, VTWG charges 0.06% a year, yields 0.68% and holds $1.8B in assets across 1131 positions.
| Measure | IWO | VTWG |
|---|---|---|
| Expense ratio | 0.24% | 0.06% |
| Dividend yield | 0.45% | 0.68% |
| Assets under management | $14.0B | $1.8B |
| Holdings | 1117 | 1131 |
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.
Cite this
ETF Copilot, “IWO vs VTWG holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/iwo-vs-vtwg
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