First Trust Exchange Traded Fund IV - First Trust Enhanced Short Maturity ETF is an exchange traded fund launched and managed by First Trust Advisors LP. It invests in the fixed income markets of global region. The fund invests in investment grade U.S. dollar-denominated fixed and variable-rate securities such as, corporate and government bonds and notes, privately issued securities, agency securities, asset-backed securities, mortgage-backed securities, municipal bonds, and money market securities. It invests in securities with an average maturity of less than three years. It employs fundamental analysis with a bottom-up security picking approach to create its portfolio. The fund seeks to benchmark the performance of its portfolio against the ICE BofA 0-1 Year U.S. Treasury Index. First Trust Exchange Traded Fund IV - First Trust Enhanced Short Maturity ETF was formed on August 5, 2014 and is domiciled in the United States.