Watsco (WSO) - Market capitalization

Market cap: C$21.60 Billion

As of May 2026 Watsco has a market cap of C$21.60 Billion. This makes Watsco the world's 1407th 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 Watsco from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	C$21.60 B	11.42%
2025	C$19.38 B	-31.21%
2024	C$28.18 B	26.17%
2023	C$22.33 B	70.4%
2022	C$13.10 B	-14.97%
2021	C$15.41 B	38.1%
2020	C$11.16 B	23.93%
2019	C$9.00 B	27.37%
2018	C$7.07 B	-7.36%
2017	C$7.63 B	7.89%
2016	C$7.07 B	23.07%
2015	C$5.74 B	32.25%
2014	C$4.34 B	22.33%
2013	C$3.55 B	38.31%
2012	C$2.56 B	16.34%
2011	C$2.20 B	7.71%
2010	C$2.05 B	23.56%
2009	C$1.65 B	25.56%
2008	C$1.32 B	28.87%
2007	C$1.02 B	-32.88%
2006	C$1.52 B	-20.08%
2005	C$1.91 B	68.33%
2004	C$1.13 B	46.37%
2003	C$0.77 B	15.25%
2002	C$0.67 B	11.32%
2001	C$0.60 B	32.29%
2000	C$0.45 B	0.28%
1999	C$0.45 B	-36.83%
1998	C$0.72 B	17.42%
1997	C$0.61 B	10.78%
1996	C$0.55 B

End of Day market cap according to different sources

On May 19th, 2026 the market cap of Watsco was reported to be:

C$21.61 Billion

by Nasdaq

C$21.61 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
W. W. Grainger GWW	C$80.72 B	273.71%	🇺🇸 USA
POOLCORP POOL	C$9.10 B	-57.84%	🇺🇸 USA
Hudson Technologies HDSN	C$0.28 B	-98.67%	🇺🇸 USA
Beacon Roofing Supply BECN	C$10.60 B	-50.89%	🇺🇸 USA
WESCO International WCC	C$23.42 B	8.45%	🇺🇸 USA
Lennox LII	C$23.59 B	9.23%	🇺🇸 USA

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 Watsco (WSO)

Market cap: C$21.60 Billion