The investment seeks to track the investment results of the Bloomberg Barclays December 2026 Maturity Corporate Index composed of U.S. dollar-denominated, investment-grade corporate bonds maturing in 2026. 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 includes U.S. dollar-denominated, investment-grade securities publicly issued by U.S. and non-U.S. corporate issuers that have $300 million or more of outstanding face value at the time of inclusion.