Lennox (LII) - Market capitalization

Market cap: £13.48 Billion

As of December 2025 Lennox has a market cap of £13.48 Billion. This makes Lennox the world's 1217th 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 Lennox from 1999 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£13.48 B	-23.41%
2024	£17.60 B	40.99%
2023	£12.48 B	78.15%
2022	£7.00 B	-20.31%
2021	£8.79 B	14.27%
2020	£7.69 B	7.18%
2019	£7.18 B	4.49%
2018	£6.87 B	6.76%
2017	£6.43 B	20.46%
2016	£5.34 B	41.91%
2015	£3.76 B	38.16%
2014	£2.72 B	7.64%
2013	£2.53 B	55.13%
2012	£1.63 B	45.78%
2011	£1.11 B	-31.93%
2010	£1.64 B	21.16%
2009	£1.35 B	11.3%
2008	£1.21 B	-5.72%
2007	£1.29 B	23.28%
2006	£1.04 B	-9.66%
2005	£1.16 B	79.53%
2004	£0.64 B	13.24%
2003	£0.57 B	26.35%
2002	£0.45 B	17.13%
2001	£0.38 B	30.36%
2000	£0.29 B	15.77%
1999	£0.25 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Lennox was reported to be:

£13.46 Billion

by Nasdaq

£13.48 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Aaon AAON	£5.36 B	-60.24%	🇺🇸 USA
Ingersoll Rand IR	£23.81 B	76.62%	🇮🇪 Ireland
Johnson Controls JCI	£56.07 B	315.96%	🇮🇪 Ireland
A. O. Smith AOS	£7.15 B	-46.95%	🇺🇸 USA
LSB Industries LXU	£0.47 B	-96.46%	🇺🇸 USA
Standex SXI	£2.20 B	-83.68%	🇺🇸 USA
Dover Corporation DOV	£19.66 B	45.84%	🇺🇸 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 Lennox (LII)

Market cap: £13.48 Billion