Southwest Gas (SWX) - Market capitalization

Market cap: NZ$10.86 Billion

As of May 2026 Southwest Gas has a market cap of NZ$10.86 Billion. This makes Southwest Gas the world's 2715th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$10.86 B	7.97%
2025	NZ$10.06 B	12.47%
2024	NZ$8.94 B	24.91%
2023	NZ$7.16 B	9.6%
2022	NZ$6.53 B	5.55%
2021	NZ$6.19 B	29.43%
2020	NZ$4.78 B	-22.89%
2019	NZ$6.20 B	2.6%
2018	NZ$6.04 B	10.97%
2017	NZ$5.44 B	3.76%
2016	NZ$5.25 B	37.55%
2015	NZ$3.81 B	4.04%
2014	NZ$3.67 B	16.37%
2013	NZ$3.15 B	32.57%
2012	NZ$2.37 B	-4.82%
2011	NZ$2.49 B	15.32%
2010	NZ$2.16 B	22.37%
2009	NZ$1.77 B	-7.19%
2008	NZ$1.90 B	14.72%
2007	NZ$1.66 B	-26.87%
2006	NZ$2.27 B	49.76%
2005	NZ$1.51 B	15.98%
2004	NZ$1.30 B	10.79%
2003	NZ$1.18 B	-20.74%
2002	NZ$1.49 B	-14.71%
2001	NZ$1.74 B	11.73%
2000	NZ$1.56 B	14.78%
1999	NZ$1.36 B	-12.07%
1998	NZ$1.55 B	75.83%
1997	NZ$0.88 B	21.08%
1996	NZ$0.72 B

End of Day market cap according to different sources

On May 15th, 2026 the market cap of Southwest Gas was reported to be:

NZ$10.86 Billion

by Nasdaq

NZ$10.86 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Atmos Energy ATO	NZ$50.44 B	364.10%	🇺🇸 USA
CenterPoint Energy CNP	NZ$46.51 B	328.02%	🇺🇸 USA
Sempra SRE	NZ$101.21 B	831.32%	🇺🇸 USA
Oneok OKE	NZ$99.59 B	816.37%	🇺🇸 USA
NW Natural NWN	NZ$3.48 B	-67.90%	🇺🇸 USA
National Fuel Gas NFG	NZ$13.21 B	21.62%	🇺🇸 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.

DISCLAIMER

CompaniesMarketCap is not associated in any way with CoinMarketCap.com
Stock prices are delayed, the delay can range from a few minutes to several hours.
Company logos are from the CompaniesLogo.com logo database and belong to their respective copyright holders. Companies Marketcap displays them for editorial purposes only.

Contact

For inquiries or if you want to report a problem write to hello@8marketcap.com

Links

- Privacy policy

- Terms and conditions

Market capitalization of Southwest Gas (SWX)

Market cap: NZ$10.86 Billion