As of December 2025 Haleon has a market cap of โน3.946 Trillion. This makes Haleon the world's 536th 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 18th, 2025 the market cap of Haleon was reported to be: