iShares iBonds Mar 2023 Term Corporate ETF 

The fund will invest at least 80% of its assets in the component securities of the index and will invest at least 90% of its assets in fixed income securities of the types included in the index. 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.