The Vanguard Mega Cap Growth ETF (MGK) has a lower expense ratio compared to the Invesco QQQ Trust, Series 1 (QQQ), but QQQ is much larger and more liquid. Both ETFs heavily focus on tech stocks and offer similar recent performance and risk metrics. QQQ tracks the NASDAQ-100 Index with 101 holdings, while MGK targets the 66 largest U.S. growth stocks. QQQ has a higher dividend yield, but MGK has lower fees. In summary, QQQ excels in size and diversification, while MGK stands out for lower costs and concentrated exposure to mega-cap tech stocks.

Source: https://www.fool.com/coverage/etfs/2025/11/17/qqq-vs-mgk-how-these-two-tech-focused-growth-etfs-compare-for-investors/

Read more at Yahoo Finance: How These Two Tech-Focused Growth ETFs Compare for Investors