As of December 2025 Realty Income has a market cap of โฌ46.20 Billion. This makes Realty Income the world's 432th 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 Dec 6th, 2025 the market cap of Realty Income was reported to be: