As of December 2025 Regeneron Pharmaceuticals has a market cap of โน6.883 Trillion. This makes Regeneron Pharmaceuticals the world's 288th 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 4th, 2025 the market cap of Regeneron Pharmaceuticals was reported to be: