Watsco (WSO) - Market capitalization

Market cap: £12.40 Billion

As of February 2026 Watsco has a market cap of £12.40 Billion. This makes Watsco the world's 1364th 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	£12.40 B	17.98%
2025	£10.51 B	-32.83%
2024	£15.65 B	18.39%
2023	£13.21 B	65.55%
2022	£7.98 B	-10.89%
2021	£8.96 B	39.52%
2020	£6.42 B	22.12%
2019	£5.25 B	28.59%
2018	£4.08 B	-8.97%
2017	£4.49 B	5.28%
2016	£4.26 B	52.58%
2015	£2.79 B	16.23%
2014	£2.40 B	18.89%
2013	£2.02 B	26.6%
2012	£1.59 B	14.44%
2011	£1.39 B	5.12%
2010	£1.32 B	36.34%
2009	£0.97 B	31.41%
2008	£0.74 B	43.31%
2007	£0.51 B	-22.77%
2006	£0.67 B	-29.65%
2005	£0.95 B	93.33%
2004	£0.49 B	47.29%
2003	£0.33 B	25.78%
2002	£0.26 B	1.53%
2001	£0.26 B	28.07%
2000	£0.20 B	4.52%
1999	£0.19 B	-30.7%
1998	£0.28 B	7.8%
1997	£0.26 B	10.7%
1996	£0.23 B

End of Day market cap according to different sources

On Feb 23rd, 2026 the market cap of Watsco was reported to be:

£12.36 Billion

by Nasdaq

£12.40 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
W. W. Grainger GWW	£39.56 B	219.02%	🇺🇸 USA
POOLCORP POOL	£6.03 B	-51.30%	🇺🇸 USA
Hudson Technologies HDSN	£0.23 B	-98.13%	🇺🇸 USA
Beacon Roofing Supply BECN	£5.71 B	-53.90%	🇺🇸 USA
WESCO International WCC	£10.32 B	-16.73%	🇺🇸 USA
Lennox LII	£14.41 B	16.22%	🇺🇸 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: £12.40 Billion