Is QQQ a Large-Cap ETF? A Simple Guide for Long-Term InvestorsQQQ gets a lot of love from investors—and for good reason. It’s loaded with household tech giants, posts eye-catching returns, and feels like a direct ticket to the innovation economy. In this article, you'll learn about what QQQ really holds, how it stacks up against traditional large-cap funds like SPY or VOO, and whether it deserves a spot in your long-term portfolio.