Invesco QQQ Trust is a company in the U.S. stock market and it is a holding in 6 U.S.-traded ETFs. QQQ has around 415.3K shares in the U.S. ETF market. The largest ETF holder of QQQ is the Main Sector Rotation ETF (SECT), with approximately 226.80K shares. Investors may also find of interest that the ETF with the largest allocation to QQQ stock is AdvisorShares Dorsey Wright FSM US Core ETF (DWUS), with a portfolio weight of 51.50%. On average, U.S. ETFs allocate 24.03% of QQQ to their portfolios.