IWF vs MGK vs VOOG vs VUG: holdings overlap, shared companies and scores
As of October 28, 2026, MGK and VUG overlap most of IWF, MGK, VOOG and VUG, at 87.2% by weight, and IWF and MGK least, at 72.3%. iShares Russell 1000 Growth ETF (IWF): Russell 1000 Growth index. Vanguard Morningstar Mega Cap Growth ETF (MGK): U.S. mega-cap growth stocks. Vanguard S&P 500 Growth ETF (VOOG): U.S. growth stocks. Vanguard Morningstar Growth ETF (VUG): U.S. large-cap growth stocks.
Updated October 28, 2026
Where IWF, MGK, VOOG and VUG 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.
VOOG trades at 26.6 times earnings, against its own median of 27.3, and is cheaper than 57% of its own last 9 years.
VUG trades at 30.1 times earnings, against its own median of 32.2, and is cheaper than 61% of its own last 9 years.
What moved MGK, VOOG and VUG 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.
VOOG fell 0.7% 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%); Micron Technology (+7.6%) pushed the other way.
VUG fell 0.7% 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, MGK, VOOG and VUG 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.
What's inside VOOG: Tech 64%, Magnificent 7 51%.
60% of VOOG is its ten largest holdings.
What's inside VUG: Tech 69%, Magnificent 7 56%.
63% of VUG is its ten largest holdings.
How much do IWF, MGK, VOOG and VUG overlap? From 72.3% to 87.2% by weight
As of October 28, 2026, of the six published pairs among IWF, MGK, VOOG and VUG, MGK and VUG overlap most at 87.2% by weight, and IWF and MGK least at 72.3%.
IWF holds 374, MGK holds 54, VOOG holds 153 and VUG holds 136 companies.
- MGK and VUG: 87.2% by weight, 54 companies in both.
- IWF and VUG: 77.6% by weight, 107 companies in both.
- VOOG and VUG: 77.6% by weight, 87 companies in both.
- IWF and VOOG: 76.1% by weight, 107 companies in both.
- MGK and VOOG: 72.6% by weight, 45 companies in both.
- IWF and MGK: 72.3% by weight, 44 companies in both.
Computed by ETF Copilot from these funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IWF, MGK, VOOG and VUG? 7.4, 7.4, 7.6 and 7.3 out of 10
As of October 28, 2026, ETF Copilot scores IWF 7.4 out of 10, MGK 7.4 out of 10, VOOG 7.6 out of 10 and VUG 7.3 out of 10.
They differ most on Return: IWF 7.5, MGK 8.3, VOOG 8.4 and VUG 8.0.
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 | VOOG | VUG |
|---|---|---|---|---|
| Growth | 9.5 | 9.2 | 9.4 | 9.2 |
| Value | 6.1 | 5.7 | 6.2 | 5.8 |
| Risk | 2.9 | 2.4 | 2.9 | 2.5 |
| Quality | 9.8 | 9.8 | 10.0 | 9.7 |
| Return | 7.5 | 8.3 | 8.4 | 8.0 |
VUG is the cheapest of the 4 at 0.03% 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.
As of October 28, 2026, VOOG charges 0.07% a year, yields 0.45% and holds $27.9B in assets across 153 positions.
As of October 28, 2026, VUG charges 0.03% a year, yields 0.39% and holds $392.3B in assets across 136 positions.
| Measure | IWF | MGK | VOOG | VUG |
|---|---|---|---|---|
| Expense ratio | 0.18% | 0.05% | 0.07% | 0.03% |
| Dividend yield | 0.36% | 0.34% | 0.45% | 0.39% |
| Assets under management | $124.8B | $35.1B | $27.9B | $392.3B |
| Holdings | 374 | 54 | 153 | 136 |
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 vs VOOG vs VUG holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/iwf-vs-mgk-vs-voog-vs-vug
- iShares Russell 1000 Growth ETF (IWF)
- Vanguard Morningstar Mega Cap Growth ETF (MGK)
- Vanguard S&P 500 Growth ETF (VOOG)
- Vanguard Morningstar Growth ETF (VUG)
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