The investment seeks to track the investment results of the MSCI USA Extended ESG Select Index composed of U.S. companies that have positive environmental, social and governance characteristics as identified by the index provider. The fund generally invests at least 90% of its assets in securities of the underlying index and in depositary receipts representing securities of the underlying index. The underlying index is an optimized index designed to maximize exposure to favorable environmental, social and governance (ESG) characteristics, while exhibiting risk and return characteristics similar to the MSCI USA Index.