The Invesco WilderHill Clean Energy ETF, often referred to as the Fund, is designed to track the performance of the WilderHill Clean Energy Index. Typically, the Fund commits a minimum of 90% of its total capital to the common equities that constitute this Index. The Index itself comprises shares of U.S.-listed corporations primarily involved in developing cleaner energy solutions and fostering environmental conservation. Both the Fund's holdings and the Index's composition undergo quarterly adjustments through a process of rebalancing and reconstitution.