American Capital Agency is a real estate investment trust (REIT) that primarily invests in residential mortgage-backed securities. These securities are backed by U.S. government agencies, which helps to reduce risk and provide stable returns for investors. The company aims to generate income through the interest earned on these investments. Founded in 2008, American Capital Agency is headquartered in Bethesda, Maryland. It is publicly traded on the NASDAQ stock exchange under the ticker symbol AGNC. The company focuses on managing its portfolio to maximize shareholder value while navigating the complexities of the mortgage market.