Core Insights - The Vanguard S&P 500 ETF (VOO) offers lower fees and a higher dividend yield compared to the Vanguard Mega Cap Growth ETF (MGK), which focuses on mega-cap growth stocks with higher recent returns but greater risk [1][4][11] - MGK is more concentrated in technology and growth stocks, while VOO provides broader market exposure by tracking the S&P 500 Index [2][6][7] Cost and Size Comparison - MGK has an expense ratio of 0.07% and AUM of $31.3 billion, while VOO has a lower expense ratio of 0.03% and AUM of $1.4 trillion [3] - The one-year return for MGK is 20.7%, compared to VOO's 13.3%, and MGK has a dividend yield of 0.4% versus VOO's 1.1% [3] Performance and Risk Analysis - Over the past five years, MGK has a maximum drawdown of -36.01%, while VOO's maximum drawdown is -24.52% [5] - An investment of $1,000 in MGK would have grown to $2,105, while the same investment in VOO would have grown to $1,855, indicating higher returns for MGK but with greater volatility [5] Sector Allocation - VOO holds 505 stocks with significant allocations in technology (36%), financial services (13%), and consumer cyclical (11%), with top positions in Nvidia, Microsoft, and Apple [6] - MGK has a more concentrated portfolio of 69 stocks, with 57% in technology, 15% in communication services, and 13% in consumer cyclical, also heavily weighted in Nvidia, Microsoft, and Apple [7] Investment Considerations - The "Magnificent Seven" stocks constitute 33% of VOO's portfolio and 59% of MGK's, indicating a higher concentration in these leading tech stocks for MGK [9] - Investors with substantial holdings in S&P 500 funds like VOO may not need to add MGK, as it increases exposure to the same top stocks [10] - Both ETFs are suitable for investors looking to invest in large-cap U.S. equities, but VOO may offer a smoother investment experience with a lower average P/E ratio of 28 compared to MGK's 40 [11]