As of February 2026 Realty Income has a market cap of A$79.17 Billion. This makes Realty Income the world's 433th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Feb 2nd, 2026 the market cap of Realty Income was reported to be: