As of May 2026 Realty Income has a market cap of NZ$97.59 Billion. This makes Realty Income the world's 428th 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 May 16th, 2026 the market cap of Realty Income was reported to be: