This exchange-traded fund (ETF) aims to offer exposure to prominent U.S. companies within the large and mid-capitalization segments. It focuses on the top 50 firms, as determined by the index provider's distinctive metric measuring research and development (R&D) intensity. Typically, the fund will allocate at least 80% of its net assets, along with any funds borrowed for investment purposes, to the securities composing this benchmark. It operates with a non-diversified investment strategy.