Invesco NASDAQ 100 ETF (QQQM) increased its NVIDIA holdings by $18.4 million on October 15. Despite lower fees, QQQM's competitive advantages did not prevent investors from pouring $1.66 billion into the Nasdaq-100 ETF QQQ. Comparisons between QQQ and other ETFs, such as BlackRock and State Street, show investor preferences despite QQQM's benefits. The trend reflects ongoing investor interest in Nasdaq-100 ETFs.