Arbor Realty Trust, Inc. invests in a diversified portfolio of structured finance assets in the multifamily, single-family rental, and commercial real estate markets in the United States. The company operates in two segments, Structured Business and Agency Business. It primarily invests in bridge and mezzanine loans, including junior participating interests in first mortgages, and preferred and direct equity, as well as real estate-related joint ventures, real estate-related notes, and various mortgage-related securities.