As of March 2026 ADT has a market cap of โน495.72 Billion. This makes ADT the world's 2930th 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 Mar 8th, 2026 the market cap of ADT was reported to be: