MGK Holds 46 Percent in Just Five Stocks, And That Concentration Is Driving Most of Its Recent Gains

Quick Read

• Vanguard Mega Cap 300 Growth ETF (MGK) returned 28% implicit the past twelvemonth versus 25% for the S&P 500, driven by 5 mega-cap holdings—NVIDIA (NVDA) astatine 13.75%, Apple (AAPL) astatine 11.77%, Microsoft (MSFT) astatine 8.68%, Alphabet (GOOGL) astatine 6.45%, and Amazon (AMZN) astatine 5.19%—that collectively correspond 46% of the fund’s weight.

• MGK’s outperformance depends wholly connected the 5 concentrated mega-cap positions, which means a coordinated 20% drawdown successful NVIDIA, Apple, and Microsoft unsocial would outgo the money astir 7% portion outer holdings stay unchanged.

• The expert who called NVIDIA successful 2010 conscionable named his apical 10 stocks and Vanguard Mega Cap 300 Growth ETF wasn't 1 of them. Get them present FREE.

The Vanguard Mega Cap Growth ETF (NYSEARCA:MGK) has 63 holdings, which sounds diversified until you cheque the weights.

The expert who called NVIDIA successful 2010 conscionable named his apical 10 stocks and Vanguard Mega Cap 300 Growth ETF wasn't 1 of them. Get them present FREE.

Five names transportation astir 46% of the fund. The MGK transportation is straightforward vulnerability to U.S. mega-cap growth, and the mathematics has worked. MGK returned 28% implicit the past twelvemonth against 25% for the S&P 500. The crushed is obvious. Five megacaps did the work, and the fund's attraction meant holders got the afloat benefit.

What MGK gets you

MGK tracks the CRSP US Mega Cap Growth Index, a market-cap-weighted portion of the largest U.S. maturation names. The disbursal ratio sits astatine 0.05%, assets nether absorption tally $32 billion, and Vanguard executed a 5-for-1 divided connected April 21, 2026, truthful shares present commercialized astir $88.

The communicative lives successful the apical five. NVIDIA (NASDAQ:NVDA) is 13.75% of the fund. Apple (NASDAQ:AAPL) is 11.77%, Microsoft (NASDAQ:MSFT) 8.68%, Alphabet (NASDAQ:GOOGL) 6.45%, and Amazon (NASDAQ:AMZN) 5.19%. Stack them and you get astir 45.84% successful 5 companies. The aforesaid 5 names wrong the SPDR S&P 500 ETF Trust harvester to astir 26% by prospectus weights. MGK functions arsenic a concentrated wager connected 5 megacaps with 5 twelve outer positions on for the ride.

Concentration earned its support this rhythm

Over the trailing twelvemonth NVIDIA returned 66%, Alphabet 133%, Apple 46%, and Amazon 30%. That is astir of MGK's outperformance, sitting successful 4 positions.

The resistance came from Microsoft, down 8.5% connected the year. With 9% of the money stumbling, the different megacaps had to screen the gap, and they did. Reverse the polarity connected immoderate 1 of these names and the aforesaid mechanic punishes you.

The mathematics of a single-stock daze

Run the accent test. A coordinated 20% drawdown successful NVIDIA, Apple, and Microsoft would outgo MGK astir 7% earlier the remaining holdings determination astatine all. Retirees who chose MGK due to the fact that the words "mega cap" sounded blimpish should beryllium with that number. The money is concentrated by design, which behaves otherwise from however a 500-stock scale spreads exposure.