Simon Property Group, Inc. is an American commercial real estate company, the largest retail real estate investment trust (REIT), and the largest shopping mall operator in the US.
The company operates five retail real estate platforms: regional malls, premium outlet centers, The Mills, community/lifestyle centers and international properties. It owns or has an interest in more than 325 properties comprising approximately 241,000,000 square feet (22,400,000 m2) of gross leasable area in North America and Asia. The company is headquartered in Indianapolis, Indiana and employs more than 5,000 people. It is publicly traded on the NYSE under the symbol SPG and is part of the S&P 100.