As of December 31, 2020, the company owned interests in 52 properties comprising 50 million square feet of leasable area.
[1] The company name is a portmanteau of its founders, Mace Siegel and Richard Cohen.
The purchase added 9 properties to Macerich's portfolio making them the largest mall owner in the Phoenix Metropolitan Area.
[4] In 2005, the company acquired most of Rochester, New York-based Wilmorite Properties' portfolio for $2.333 billion, adding 11 shopping centers to Macerich's portfolio, including Tysons Corner Center in Tysons, Virginia.
[7][8] In November 2024, the company acquired 40% Stake in Pacific Premier Retail trust.