As of November 2026 Kilroy Realty has a market cap of โน398.88 Billion. This makes Kilroy Realty the world's 3491th 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 Nov 13th, 2026 the market cap of Kilroy Realty was reported to be: