Bought Both QQQ and VOO ETFs—Is That Really Diversification? How to Calculate Overlapping U.S. Big Tech Holdings
Holding both QQQ and VOO does not automatically mean your investments are diversified. If large technology companies such as Apple, Microsoft, and Nvidia account for significant portions of both ETFs, your investment risk may still be concentrated in specific companies despite owning two ETFs. What matters is not the number of ETFs you own, but how much of your investment is allocated to each company.