iShares iBonds Dec 2023 Term Corporate 

The fund will invest at least 80% of its assets in the component securities of the underlying index, and it will invest at least 90% of its assets in fixed income securities of the types included in the underlying index. The underlying index is composed of U.S. dollar-denominated, taxable, investment-grade corporate bonds scheduled to mature between January 1, 2023 and December 15, 2023, inclusive.