The investment seeks to track the investment results of the Bloomberg Barclays MSCI US Corporate ESG Focus Index. The fund generally will invest at least 90% of its assets in the component securities of the underlying index and may invest up to 10% of its assets in certain futures, options and swap contracts, cash and cash equivalents. The index has been developed by Bloomberg Barclays Capital Inc. with environmental, social and governance (ESG) rating inputs from MSCI ESG Research LLC (MSCI ESG Research) pursuant to an agreement between MSCI ESG Research and Bloomberg Index Services Limited, a subsidiary of Bloomberg Barclays.