Invesco QQQ Trust, Series 1 (QQQ US) – Portfolio Construction MethodologyThe underlying Nasdaq-100 Index targets the 100 largest Nasdaq-listed non-financial companies. Eligibility requires a primary listing on the Nasdaq Global Select Market or Nasdaq Global Market; REITs and SPACs are ineligible; ADRs are eligible. Initial inclusion demands three full calendar months of listing (spin-offs exempt), free float ≥10%, and three-month average daily traded value ≥ USD 5m. At the annual December reconstitution, i ...