IWB vs TMFC: holdings overlap, shared companies and scores
As of September 11, 2026, IWB and TMFC overlap 49.6% by weight. iShares Russell 1000 ETF (IWB): Russell 1000 index. Motley Fool 100 Index ETF (TMFC): Top 100 U.S. growth stocks.
Updated September 11, 2026
How much do IWB and TMFC overlap?
As of September 11, 2026, IWB and TMFC overlap 49.6% by weight.
50% of IWB is already inside TMFC.
100% of TMFC is already inside IWB.
IWB holds 1,020 companies and TMFC holds 102; 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 IWB and TMFC?
As of September 11, 2026, ETF Copilot scores IWB 5.3 out of 10 and TMFC 5.8 out of 10.
They differ most on Valuation: IWB 2.8 and TMFC 6.3.
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 | IWB | TMFC |
|---|---|---|
| Growth | 3.2 | 1.0 |
| Valuation | 2.8 | 6.3 |
| Risk | 4.9 | 6.3 |
| Quality | 8.2 | 9.4 |
| Return | 7.4 | 7.6 |
IWB is the cheaper of the two at 0.15% a year
As of September 11, 2026, IWB charges 0.15% a year, yields 1.10% and holds $49.4B in assets across 1020 positions.
As of September 11, 2026, TMFC charges 0.50% a year, yields 0.62% and holds $2.1B in assets across 102 positions.
| Measure | IWB | TMFC |
|---|---|---|
| Expense ratio | 0.15% | 0.50% |
| Dividend yield | 1.10% | 0.62% |
| Assets under management | $49.4B | $2.1B |
| Holdings | 1020 | 102 |
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 IWB and TMFC trade against their own history
IWB trades at 25.0 times earnings, against its own median of 21.3, and is more expensive than 83% of its own 114 monthly readings since 2017.
TMFC trades at 26.8 times earnings, against its own median of 26.1, and is more expensive than 59% of its own 105 monthly readings since 2018.
What moved IWB and TMFC this week
IWB fell 1.2% 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.
TMFC fell 1.0% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Amgen (−15.0%); Advanced Micro Devices (+13.1%) pushed the other way.
What do IWB and TMFC each hold?
What's inside IWB: Tech 44%, Magnificent 7 31%.
35% of IWB is its ten largest holdings.
What's inside TMFC: Tech 57%, Magnificent 7 47%.
59% of TMFC is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IWB vs TMFC holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/iwb-vs-tmfc
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