American Assets Trust, Inc. is a U.S. real estate investment trust that owns, operates, acquires, and develops commercial and residential properties through a vertically integrated platform. Its portfolio is concentrated in high-barrier-to-entry markets in Southern California, Northern California, Washington, Oregon, Texas, and Hawaii, with core exposure to San Diego, the San Francisco Bay Area, Bellevue, Portland, and Oahu. The company operates four property segments: office, retail, multifamily, and mixed-use, including a hotel-retail asset. As a REIT, it is structured to generate recurring rental and property income while also pursuing selective acquisitions, redevelopment, and asset sales. The business is closely tied to local leasing demand, occupancy, rental rates, and capital market access.