As of December 2025 atai Life Sciences has a market cap of โน133.26 Billion. This makes atai Life Sciences the world's 5235th 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 16th, 2025 the market cap of atai Life Sciences was reported to be: