As of January 2026 Alnylam Pharmaceuticals has a market cap of โน4.415 Trillion. This makes Alnylam Pharmaceuticals the world's 494th 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 Jan 13th, 2026 the market cap of Alnylam Pharmaceuticals was reported to be: