McKesson (MCK) - Market capitalization

Market cap: C$122.06 Billion

As of May 2026 McKesson has a market cap of C$122.06 Billion. This makes McKesson the world's 260th 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.

Market cap history of McKesson from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	C$122.06 B	-13.48%
2025	C$141.08 B	34.32%
2024	C$105.03 B	28.55%
2023	C$81.70 B	13.21%
2022	C$72.17 B	52.09%
2021	C$47.45 B	33.27%
2020	C$35.60 B	11.4%
2019	C$31.96 B	10.73%
2018	C$28.86 B	-29.38%
2017	C$40.87 B	-4.21%
2016	C$42.67 B	-31.77%
2015	C$62.54 B	11.91%
2014	C$55.88 B	41.35%
2013	C$39.53 B	76.08%
2012	C$22.45 B	15.38%
2011	C$19.46 B	8.79%
2010	C$17.88 B	0.97%
2009	C$17.71 B	37.38%
2008	C$12.89 B	-31.67%
2007	C$18.87 B	8.23%
2006	C$17.43 B	-5.17%
2005	C$18.38 B	64.84%
2004	C$11.15 B	-8.18%
2003	C$12.14 B	-2.35%
2002	C$12.44 B	-27.2%
2001	C$17.08 B	11.56%
2000	C$15.31 B	67.53%
1999	C$9.14 B	-24.58%
1998	C$12.12 B	69.14%
1997	C$7.16 B	105.83%
1996	C$3.48 B

End of Day market cap according to different sources

On May 12th, 2026 the market cap of McKesson was reported to be:

C$120.90 Billion

by Nasdaq

C$120.93 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

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What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of McKesson (MCK)

Market cap: C$122.06 Billion