Founded in 1969, the Realty Income (O) corporation is a leading American real estate investment trust (REIT). The company specialises in portfolio management, in-house acquisition, real estate and credit research, accounting and finance, technology and capital market capabilities. Realty Income owns a diversified portfolio of 5,028 properties, located in 49 states and Puerto Rico, and manages $14.4 billion in real estate assets. Included to the S&P 500 index, Realty Income REIT share price is set and traded on the New York Stock Exchange (NYSE).