SunPower (SPWR) - Market capitalization

Market cap: £49.43 Million

As of September 2026 SunPower has a market cap of £49.43 Million. This makes SunPower the world's 10176th 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 SunPower from 2005 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£49.43 M	-61.82%
2025	£0.12 B	653.93%
2024	£17.17 M	-97.42%
2023	£0.66 B	-74.39%
2022	£2.59 B	-2.94%
2021	£2.67 B	-16.44%
2020	£3.20 B	220.07%
2019	£1.00 B	80.91%
2018	£0.55 B	-36.51%
2017	£0.87 B	17.41%
2016	£0.74 B	-73.19%
2015	£2.76 B	26.82%
2014	£2.18 B	-0.7%
2013	£2.19 B	429.78%
2012	£0.41 B	2.93%
2011	£0.40 B	-13.25%
2010	£0.46 B	-42.25%
2009	£0.80 B	-62.88%
2008	£2.16 B	-61.05%
2007	£5.55 B	319.46%
2006	£1.32 B	10.07%
2005	£1.20 B

End of Day market cap according to different sources

On Sep 18th, 2026 the market cap of SunPower was reported to be:

£73.84 Million

by Nasdaq

£49.43 Million

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
NRG Energy NRG	£16.26 B	32,811.31%	🇺🇸 USA
First Solar FSLR	£15.72 B	31,707.79%	🇺🇸 USA
Enphase Energy ENPH	£3.41 B	6,813.65%	🇺🇸 USA
Canadian Solar CSIQ	£0.57 B	1,069.05%	🇨🇦 Canada
Meritage Homes MTH	£3.07 B	6,126.09%	🇺🇸 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 SunPower (SPWR)

Market cap: £49.43 Million