Chimera Investment Corporation is a real estate investment trust. The Company is primarily engaged in the business of investing, on a leveraged basis, in a diversified portfolio of mortgage assets, including Agency residential mortgage-backed securities (RMBS), Non-Agency RMBS, Agency commercial mortgage backed securities (CMBS), residential mortgage loans and real estate related securities. The mortgage backed securities (MBS) and real estate-related securities the Company purchases may include investment-grade and non-investment grade classes, including the BB-rated, B-rated and non-rated classes. The Company invests in mortgage pass-through certificates issued or guaranteed by The Government National Mortgage Association (Ginnie Mae), The Federal National Mortgage Association (Fannie Mae) or The Federal Home Loan Mortgage Corporation (Freddie Mac). The Company may also invest in collateralized mortgage obligations (CMOs) issued by the Agencies.