The Fund seeks to track the investment results of the ICE Short US Treasury Securities Index (the Underlying Index), which measures the performance of public obligations of the U.S. Treasury that have a remaining maturity of less than or equal to one year. Under normal circumstances, the Fund will seek to maintain a weighted average maturity of less than one year. Weighted average maturity is the U.S. dollar weighted average of the remaining term to maturity of the underlying securities in the Funds portfolio. As of February 28, 2023, there were 104 components in the Underlying Index.