Southwest Gas (SWX) - Market capitalization

Market cap: HK$44.43 Billion

As of December 2025 Southwest Gas has a market cap of HK$44.43 Billion. This makes Southwest Gas the world's 2848th 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 Southwest Gas from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$44.43 B	13.41%
2024	HK$39.18 B	10.73%
2023	HK$35.38 B	9.13%
2022	HK$32.42 B	-1.69%
2021	HK$32.98 B	23.24%
2020	HK$26.76 B	-17.77%
2019	HK$32.54 B	2.45%
2018	HK$31.76 B	5.05%
2017	HK$30.23 B	7.18%
2016	HK$28.21 B	39.28%
2015	HK$20.25 B	-9.19%
2014	HK$22.30 B	10.98%
2013	HK$20.09 B	32.48%
2012	HK$15.17 B	0.12%
2011	HK$15.15 B	16.44%
2010	HK$13.01 B	30.46%
2009	HK$9.97 B	16.55%
2008	HK$8.55 B	-13.86%
2007	HK$9.93 B	-20.29%
2006	HK$12.46 B	54.85%
2005	HK$8.04 B	10.84%
2004	HK$7.26 B	21.92%
2003	HK$5.95 B	-2.15%
2002	HK$6.08 B	7.51%
2001	HK$5.66 B	4.67%
2000	HK$5.41 B	-2.28%
1999	HK$5.53 B	-12.56%
1998	HK$6.33 B	59.64%
1997	HK$3.96 B	-0.35%
1996	HK$3.98 B

End of Day market cap according to different sources

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

HK$44.40 Billion

by Nasdaq

HK$44.43 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
NW Natural NWN	HK$14.94 B	-66.38%	🇺🇸 USA
Atmos Energy ATO	HK$215.60 B	385.20%	🇺🇸 USA
Sempra Energy SRE	HK$460.63 B	936.60%	🇺🇸 USA
Oneok OKE	HK$374.24 B	742.20%	🇺🇸 USA
National Fuel Gas NFG	HK$57.54 B	29.51%	🇺🇸 USA
CenterPoint Energy CNP	HK$195.31 B	339.53%	🇺🇸 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 Southwest Gas (SWX)

Market cap: HK$44.43 Billion