F/m US Treasury 6 Month Bill ETF (XBIL) is an exchange-traded fund in the Ultrashort Bond category. It has $739.21M in assets, an expense ratio of 0.15% and a 4.07% dividend yield. Under normal market conditions, F/m Investments LLC (the “Adviser”) seeks to achieve the fund’s investment objective by investing at least 80% of the fund’s net assets (plus any borrowings for investment purposes) in the component securities of the underlying index. The underlying index is comprised of a single issue purchased at the beginning of the month and held for a full month.