TPG Mortgage Investment Trust Inc operates as a residential mortgage real estate investment trust in the United States. Its investment portfolio comprises residential investments, including non-qualifying mortgages loans, government-sponsored entity non-owner occupied loans, re/non-performing loans, land related financing, and agency residential mortgage-backed securities; and commercial investments. The company qualifies as a real estate investment trust for federal income tax purposes. It generally would not be subject to federal corporate income taxes if it distributes at least 90% of its taxable income to its stockholders. The company was incorporated in 2011 and is based in New York, New York.