First Trust Long Duration Opportunities ETF (First Trust Long Duration Oppor) ETF

Under normal market conditions, the fund will invest at least 80% of its net assets (including investment borrowings) in a portfolio of investment-grade debt securities issued or guaranteed by the U.S. government, its agencies or government-sponsored entities, including publicly-issued U.S. Treasury securities and mortgage-related securities. It may also invest in exchange-traded funds ("ETFs") that principally invest in such securities.