Redwood Trust, Inc. is a specialty finance company that is focused on the areas of housing credit. The Company operates through three segments: Residential Mortgage Banking, Business Purpose Mortgage Banking and Investment Portfolio. The Residential Mortgage Banking segment consists of a mortgage loan conduit that acquires residential loans from third-party originators for subsequent sale, securitization through its Sequoia private-label securitization program, or transfer into its investment portfolio. The Business Purpose Mortgage Banking segment consists of a platform that originates and acquires business purpose loans for subsequent securitization, sale, or transfer into its investment portfolio. The Investment Portfolio segment consists of investments sourced through its residential and business purpose mortgage banking operations. in addition, it invests in early-stage companies, which are aligned with its business across the lending, real estate and financial technology sectors.