Sempra (SRE) - Market capitalization

Market cap: £45.27 Billion

As of March 2026 Sempra has a market cap of £45.27 Billion. This makes Sempra the world's 379th 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 Sempra from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£45.27 B	5.43%
2025	£42.94 B	-3.06%
2024	£44.30 B	20.01%
2023	£36.91 B	-8.06%
2022	£40.15 B	28.31%
2021	£31.29 B	16.06%
2020	£26.96 B	-20.06%
2019	£33.73 B	44.44%
2018	£23.35 B	17.44%
2017	£19.88 B	-2.5%
2016	£20.39 B	29.48%
2015	£15.75 B	-10.56%
2014	£17.61 B	32.64%
2013	£13.27 B	25.08%
2012	£10.61 B	25.09%
2011	£8.48 B	4.01%
2010	£8.15 B	-4.51%
2009	£8.54 B	20.58%
2008	£7.08 B	-12.94%
2007	£8.13 B	8.58%
2006	£7.49 B	12.17%
2005	£6.68 B	49.47%
2004	£4.47 B	17.2%
2003	£3.81 B	26.21%
2002	£3.02 B	-12.7%
2001	£3.46 B	8.43%
2000	£3.19 B	45.41%
1999	£2.19 B	-40.07%
1998	£3.66 B	96.63%
1997	£1.86 B	20.26%
1996	£1.54 B

End of Day market cap according to different sources

On Mar 8th, 2026 the market cap of Sempra was reported to be:

£45.18 Billion

by Nasdaq

£45.18 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Dominion Energy D	£41.14 B	-9.12%	🇺🇸 USA
Nextera Energy NEE	£141.89 B	213.40%	🇺🇸 USA
NiSource NI	£16.72 B	-63.05%	🇺🇸 USA
Oneok OKE	£40.80 B	-9.87%	🇺🇸 USA
MDU Resources MDU	£3.20 B	-92.93%	🇺🇸 USA
Clean Energy Fuels CLNE	£0.38 B	-99.15%	🇺🇸 USA
UGI Corporation UGI	£5.84 B	-87.09%	🇺🇸 USA
Southwest Gas SWX	£4.68 B	-89.66%	🇺🇸 USA
PG&E Corporation PCG	£29.61 B	-34.58%	🇺🇸 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 Sempra (SRE)

Market cap: £45.27 Billion