Equity Residential is a real estate investment trust (REIT) that focuses on the ownership, operation, and development of residential properties. Founded in 1969, the company primarily invests in apartment communities located in urban and high-demand suburban areas across the United States. The company aims to provide quality living spaces and enhance the resident experience through various amenities and services. Equity Residential is publicly traded on the New York Stock Exchange under the ticker symbol EQR, making it accessible for investors interested in the residential real estate market.