As of November 2026 Merck has a market cap of โฌ323.49 Billion. This makes Merck the world's 38th 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 10th, 2026 the market cap of Merck was reported to be: