Core Insights - The Vanguard S&P 500 Growth ETF (VOOG) and the Vanguard Mega Cap Growth ETF (MGK) target U.S. growth stocks but employ different strategies, with VOOG offering broader exposure to large-cap growth and MGK focusing on the largest growth companies [2] Cost & Size - Both VOOG and MGK have an expense ratio of 0.07% - As of January 24, 2026, VOOG has a 1-year return of 15.75% while MGK has a return of 14.60% - VOOG offers a dividend yield of 0.49%, compared to MGK's 0.35% - VOOG has assets under management (AUM) of $22 billion, while MGK has $32 billion [3][4] Performance & Risk Comparison - Over the past five years, VOOG experienced a maximum drawdown of -32.74%, while MGK had a drawdown of -36.02% - An investment of $1,000 in VOOG would have grown to $1,880, whereas the same investment in MGK would have grown to $1,954 [5] Portfolio Composition - MGK consists of 60 stocks, with 55% in technology, and its top holdings include Nvidia, Apple, and Microsoft, which make up over 35% of the fund [6] - VOOG includes 140 growth-oriented stocks, with technology comprising 49% of its assets, and its top three positions account for around 32% of the portfolio [7][9] Investment Implications - VOOG provides greater diversification due to its larger number of holdings and includes only stocks from S&P 500 companies, which may offer more stability [10]