Simon Property Group, Inc. is a self-administered, self-managed REIT that owns, develops and manages shopping, dining, entertainment and mixed-use destinations, mainly malls, Premium Outlets, The Mills and International Properties, with interests in 229 properties of 183 million square feet in North America, Asia and Europe at December 31, 2024. It owns 88% of TRG, with 22 malls in the U.S. and Asia, and 22.4% of Klepierre.