IBMK - iShares iBonds Dec 2...

iShares iBonds Dec 2022 Term Muni Bond ETF

The fund will invest at least 80% of its assets in the component securities of the underlying index, and the fund will invest at least 90% of its assets in fixed income securities of the types included in the underlying index that BFA believes will help the fund track the underlying index, in each case except during the last months of the fund's operations.