As of December 2025 Merck has a market cap of โฌ214.27 Billion. This makes Merck the world's 61th 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 17th, 2025 the market cap of Merck was reported to be: