American Assets Trust, Inc. is a full service, vertically integrated and self-administered real estate investment trust, or REIT, headquartered in San Diego, California. The company's office portfolio comprises approximately 3.4 million rentable square feet, and its retail portfolio comprises approximately 3.1 million square feet. In 2011, the company was formed to succeed to the real estate business of American Assets, Inc., a privately held corporation founded in 1967 and, as such, has significant experience, long-standing relationships and extensive knowledge of its core markets, submarkets and asset classes.