Chimera Investment Corporation is a real estate investment trust engaged in investing in a portfolio of mortgage assets on a leveraged basis. These investments include a variety of government-sponsored agency residential mortgage-backed securities, or RMBS, non-agency RMBS, agency commercial mortgage-backed securities, residential mortgage loans, and other real estate-related securities. Agency mortgage-backed securities represent the share of this portfolio, while subprime residential mortgage loans and non-agency RMBS also make up substantial shares.