AG Mortgage Investment Trust is a hybrid mortgage real estate investment trust that invests in a risk adjusted portfolio of agency investments and credit investments. Co.'s investment portfolio is comprised of its Credit Investments and Agency residential mortgage-backed securities (RMBS). Co.'s Credit Investments include: Residential Investments, which include investment grade and non-investment grade fixed and floating-rate securities; and Commercial Investments, which include commercial real estate loans, including first mortgages and mezzanine loans. Co.'s Agency RMBS include: fixed rate securities held as mortgage pass-through securities, as well as excess mortgage servicing rights.