As of April 2025 GlaxoSmithKline has a market cap of NZ$122.71 Billion. This makes GlaxoSmithKline the world's 255th 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 Apr 15th, 2025 the market cap of GlaxoSmithKline was reported to be: