ARMOUR Residential REIT, Inc. operates as a real estate investment trust, which engages in the investment in business of investing in fixed rate, hybrid adjustable rate and adjustable rate residential mortgage backed securities. The company is headquartered in Vero Beach, Florida. The company went IPO on 2007-12-03. The firm invests primarily in fixed-rate residential, adjustable rate and hybrid adjustable-rate residential mortgage-backed securities issued or guaranteed by United States Government-sponsored enterprises or guaranteed by the Government National Mortgage Association. The company brings private capital into the mortgage markets to support home ownership for a broad and diverse spectrum of Americans. The company seeks to create stockholder value through investment and risk management of a leveraged and diversified portfolio of mortgage-backed securities (MBS). The company invests in MBS, issued or guaranteed by a United States Government-sponsored entity (GSE), such as the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation, or a government agency such as Government National Mortgage Administration (Agency Securities). The firm is externally managed and advised by ARMOUR Capital Management LP.