As of April 2026 McKesson has a market cap of โน10.023 Trillion. This makes McKesson the world's 193th 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 1st, 2026 the market cap of McKesson was reported to be: