Equity Residential is a United States–based publicly traded real estate investment trust that invests in apartments. As of December 31, 2024, the company owned or had investments in 311 properties consisting of 84,249 apartment units in Southern California, San Francisco, Washington, D.C., New York City, Boston, Seattle, Denver, Atlanta, Dallas/Ft. Worth, and Austin. It is the 6th largest owner of apartments in the United States and the 18th largest apartment property manager in the United States. Wikipedia