Redwood Trust, Inc., together with its subsidiaries, focuses on investing in mortgage- and other real estate-related assets. The Company operates through three segments: residential mortgage banking, residential investments, and commercial mortgage banking and investments. Its residential mortgage banking segment consists of operating a mortgage loan conduit that acquires residential whole loans from third-party originators for subsequent sale, securitization or transfer to its investment portfolio. Its residential investments segment includes a portfolio of investments in residential mortgage-backed securities retained from its Sequoia securitizations, as well as residential mortgage-backed securities issued by third parties. Its commercial mortgage banking and investments segment consists of a mortgage loan conduit that originated senior commercial loans for subsequent sale to third-party commercial mortgage backed securities (CMBS) sponsors or other investors.