IWF vs IWY: holdings overlap, shared companies and scores
As of September 11, 2026, IWF and IWY overlap 89.7% by weight. iShares Russell 1000 Growth ETF (IWF): Russell 1000 Growth index. iShares Russell Top 200 Growth ETF (IWY): U.S. mega-cap growth stocks.
Updated September 11, 2026
How much do IWF and IWY overlap?
As of September 11, 2026, IWF and IWY overlap 89.7% by weight.
90% of IWF is already inside IWY.
100% of IWY is already inside IWF.
IWF holds 369 companies and IWY holds 104; 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 IWF and IWY?
As of September 11, 2026, ETF Copilot scores IWF 6.3 out of 10 and IWY 6.6 out of 10.
They differ most on Risk: IWF 3.5 and IWY 5.6.
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 | IWF | IWY |
|---|---|---|
| Growth | 6.3 | 6.1 |
| Valuation | 4.1 | 3.3 |
| Risk | 3.5 | 5.6 |
| Quality | 9.9 | 10.0 |
| Return | 7.4 | 7.9 |
IWF is the cheaper of the two at 0.18% a year
As of September 11, 2026, IWF charges 0.18% a year, yields 0.46% and holds $126.0B in assets across 369 positions.
As of September 11, 2026, IWY charges 0.20% a year, yields 0.45% and holds $15.9B in assets across 104 positions.
| Measure | IWF | IWY |
|---|---|---|
| Expense ratio | 0.18% | 0.20% |
| Dividend yield | 0.46% | 0.45% |
| Assets under management | $126.0B | $15.9B |
| Holdings | 369 | 104 |
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.
Where IWF and IWY trade against their own history
IWF trades at 31.0 times earnings, against its own median of 27.3, and is more expensive than 75% of its own 114 monthly readings since 2017.
IWY trades at 31.3 times earnings, against its own median of 27.7, and is more expensive than 82% of its own 114 monthly readings since 2017.
What moved IWF and IWY this week
IWF fell 0.9% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.
IWY fell 0.8% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.
What do IWF and IWY each hold?
What's inside IWF: Tech 70%, Magnificent 7 47%.
57% of IWF is its ten largest holdings.
What's inside IWY: Tech 73%, Magnificent 7 50%.
62% of IWY is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IWF vs IWY holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/iwf-vs-iwy
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