As of June 2026 McKesson has a market cap of C$123.48 Billion. This makes McKesson the world's 267th 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 Jun 22nd, 2026 the market cap of McKesson was reported to be: