MGK Offers Focused Growth While VOOG Provides Broader Diversification: Which Is the Right ETF for You?

Core Insights - The Vanguard S&P 500 Growth ETF (VOOG) and the Vanguard Mega Cap Growth ETF (MGK) provide exposure to large-cap U.S. growth stocks but differ in their investment strategies and focus [1] Cost & Size - VOOG has an expense ratio of 0.07% and MGK has a slightly lower expense ratio of 0.05% [2] - As of March 25, 2026, VOOG's 1-year return is 18.47%, while MGK's is 15.07% [2] - VOOG offers a dividend yield of 0.50%, compared to MGK's 0.37% [2] - VOOG has an AUM of $21.9 billion, while MGK has a larger AUM of $29.3 billion [2] Performance & Risk Comparison - Over the past five years, VOOG experienced a max drawdown of -32.74%, while MGK had a max drawdown of -36.01% [4] - A $1,000 investment in VOOG would have grown to $1,857, whereas the same investment in MGK would have grown to $1,879 over five years [4] Holdings Composition - MGK targets 60 large-cap growth stocks, with 53% of its assets in technology, followed by communication services and consumer cyclical sectors [5] - The top three holdings in MGK—Nvidia, Apple, and Microsoft—account for over a third of its assets, indicating a concentrated investment approach [5] - VOOG holds 140 stocks from the S&P 500 growth segment, with 47% of its assets in technology, followed by communication services and financial services [6] Investment Implications - MGK is more concentrated with fewer holdings and focuses solely on mega-cap stocks, defined as those with a market cap of at least $200 billion [7] - This concentration may lead to greater volatility, as indicated by MGK's higher beta of 1.21 compared to VOOG's beta of 1.12 [2][8] - The higher tilt towards technology in MGK could potentially result in higher total returns over time despite the associated risks [8]