AGNC Investment Corp is a real estate investment trust that invests in agency residential mortgage-backed securities. The firm's asset portfolio is comprised of residential mortgage pass-through securities and collateralized mortgage obligations for which the principal and interest payments are guaranteed by a U.S. Government-sponsored enterprise, such as the Federal National Mortgage Association and the Federal Home Loan Mortgage Corporation, or by a U.S. Government agency, such as the Government National Mortgage Association. It also invests in other types of mortgage and mortgage-related residential and commercial mortgage-backed securities or other investments in or related to, the housing, mortgage, or real estate markets.