Granite Point Mortgage Trust Inc. functions as a real estate investment trust (REIT) primarily involved in the origination, investment, and management of senior floating-rate commercial mortgage loans. Beyond these loans, the company also engages with various other debt and debt-like instruments tied to commercial real estate throughout the United States. Its primary service involves providing intermediate-term, transitional capital for diverse objectives, such as property acquisitions, financial recapitalizations, and existing loan refinancing.