MGK vs SPYG: holdings overlap, shared companies and scores
As of September 11, 2026, MGK and SPYG overlap 73.6% by weight. Vanguard Morningstar Mega Cap Growth ETF (MGK): U.S. mega-cap growth stocks. State Street SPDR Portfolio S&P 500 Growth ETF (SPYG): S&P 500 growth index.
Updated September 11, 2026
How much do MGK and SPYG overlap?
As of September 11, 2026, MGK and SPYG overlap 73.6% by weight.
96% of MGK is already inside SPYG.
76% of SPYG is already inside MGK.
MGK holds 58 companies and SPYG holds 148; 47 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 MGK and SPYG?
As of September 11, 2026, ETF Copilot scores MGK 5.6 out of 10 and SPYG 6.0 out of 10.
They differ most on Growth: MGK 2.3 and SPYG 3.5.
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 | MGK | SPYG |
|---|---|---|
| Growth | 2.3 | 3.5 |
| Valuation | 4.8 | 4.8 |
| Risk | 3.3 | 3.4 |
| Quality | 10.0 | 10.0 |
| Return | 8.3 | 8.4 |
SPYG is the cheaper of the two at 0.04% a year
As of September 11, 2026, MGK charges 0.05% a year, yields 0.35% and holds $32.4B in assets across 58 positions.
As of September 11, 2026, SPYG charges 0.04% a year, yields 0.54% and holds $54.4B in assets across 148 positions.
| Measure | MGK | SPYG |
|---|---|---|
| Expense ratio | 0.05% | 0.04% |
| Dividend yield | 0.35% | 0.54% |
| Assets under management | $32.4B | $54.4B |
| Holdings | 58 | 148 |
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 MGK and SPYG trade against their own history
MGK trades at 31.0 times earnings, against its own median of 28.2, and is more expensive than 70% of its own 114 monthly readings since 2017.
SPYG trades at 27.9 times earnings, against its own median of 26.2, and is more expensive than 66% of its own 113 monthly readings since 2017.
What moved MGK and SPYG this week
MGK 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.
SPYG fell 1.0% 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 MGK and SPYG each hold?
What's inside MGK: Tech 74%, Magnificent 7 60%.
67% of MGK is its ten largest holdings.
What's inside SPYG: Tech 68%, Magnificent 7 51%.
60% of SPYG is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “MGK vs SPYG holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/mgk-vs-spyg
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