Starwood Property Trust Inc is an American real estate investment trust principally engaged in originating, acquiring, and managing commercial mortgage loans and commercial mortgage-backed securities in the U.S. and Europe. The company organizes its activities into Commercial and Residential Lending Segment, Infrastructure Lending Segment, Property Segment and Investing and Servicing Segment. The company generates the majority of its revenue from the Real estate commercial and residential lending segment, which is engaged in originating, acquiring, financing, and managing commercial first mortgages, and non-agency residential mortgages.