IWF vs MGK: holdings overlap, shared companies and scores
As of October 28, 2026, IWF and MGK overlap 72.3% by weight. iShares Russell 1000 Growth ETF (IWF): Russell 1000 Growth index. Vanguard Morningstar Mega Cap Growth ETF (MGK): U.S. mega-cap growth stocks.
Updated October 28, 2026
Where IWF and MGK trade against their own history
IWF trades at 28.4 times earnings, against its own median of 30.7, and is cheaper than 60% of its own last 9 years.
MGK trades at 30.2 times earnings, against its own median of 33.2, and is cheaper than 58% of its own last 9 years.
What moved MGK this week
MGK fell 0.8% in the week to October 28, 2026. The holdings that moved it most were Meta Platforms (−12.2%), Nvidia (−3.0%) and Alphabet (−2.9%); Broadcom (+4.1%) pushed the other way.
What do IWF and MGK each hold?
What's inside IWF: Tech 66%, Magnificent 7 47%.
58% of IWF is its ten largest holdings.
What's inside MGK: Tech 70%, Magnificent 7 57%.
65% of MGK is its ten largest holdings.
How much do IWF and MGK overlap? 72.3% by weight
As of October 28, 2026, IWF and MGK overlap 72.3% by weight.
76% of IWF is already inside MGK.
94% of MGK is already inside IWF.
IWF holds 374 companies and MGK holds 54; 44 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 MGK? 7.4 and 7.4 out of 10
As of October 28, 2026, ETF Copilot scores IWF 7.4 out of 10 and MGK 7.4 out of 10.
They differ most on Return: IWF 7.5 and MGK 8.3.
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 | IWF | MGK |
|---|---|---|
| Growth | 9.5 | 9.2 |
| Value | 6.1 | 5.7 |
| Risk | 2.9 | 2.4 |
| Quality | 9.8 | 9.8 |
| Return | 7.5 | 8.3 |
MGK is the cheaper of the two at 0.05% a year
As of October 28, 2026, IWF charges 0.18% a year, yields 0.36% and holds $124.8B in assets across 374 positions.
As of October 28, 2026, MGK charges 0.05% a year, yields 0.34% and holds $35.1B in assets across 54 positions.
| Measure | IWF | MGK |
|---|---|---|
| Expense ratio | 0.18% | 0.05% |
| Dividend yield | 0.36% | 0.34% |
| Assets under management | $124.8B | $35.1B |
| Holdings | 374 | 54 |
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, “IWF vs MGK holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/iwf-vs-mgk
ETF Copilot Pro unlocks IWF vs MGK prices and holdings.
Try Pro free →