The investment seeks to track the investment results of the ICE 2023 Maturity US Treasury Index composed of U.S. Treasury bonds maturing in 2023. The fund generally will invest at least 90% of its assets in the component securities of the underlying index, except during the last months of its operations. The underlying index consists of publicly-issued U.S. Treasury securities that are scheduled to mature after December 31, 2022 and before December 16, 2023. It is non-diversified.