Atmos Energy Market Cap

Atmos Energy has a market cap or net worth of $27.15 billion as of October 8, 2026. It is the 915th most valuable company in the world and the 381st biggest in the United States. Its market cap has decreased by 3.32% in one year.

Market Cap

27.15B

Enterprise Value

36.95B

1-Year Change

-3.32%

Global Rank

#915

Country Rank

#381 United States

ChartMarket Cap Chart

Chart

Since December 1, 1998, Atmos Energy's market cap has increased from $926.30M to $27.15B, an increase of 2,830.62%. That is a compound annual growth rate of 12.88%.

Market Cap History

Date	Market Cap	% Change
Oct 8, 2026	27.15B	0.15%
Dec 31, 2025	27.10B	25.24%
Dec 31, 2024	21.64B	25.75%
Dec 29, 2023	17.21B	8.99%
Dec 30, 2022	15.79B	13.81%
Dec 31, 2021	13.87B	15.49%
Dec 31, 2020	12.01B	-10.01%
Dec 31, 2019	13.35B	29.30%
Dec 31, 2018	10.32B	13.28%
Dec 29, 2017	9.11B	18.23%
Dec 30, 2016	7.71B	20.47%
Dec 31, 2015	6.40B	14.35%
Dec 31, 2014	5.60B	35.52%
Dec 31, 2013	4.13B	30.29%
Dec 31, 2012	3.17B	5.16%
Dec 30, 2011	3.01B	6.82%
Dec 31, 2010	2.82B	3.63%
Dec 31, 2009	2.72B	26.04%
Dec 31, 2008	2.16B	-14.17%
Dec 31, 2007	2.52B	-3.62%
Dec 29, 2006	2.61B	23.81%
Dec 30, 2005	2.11B	22.78%
Dec 31, 2004	1.72B	37.16%
Dec 31, 2003	1.25B	28.68%
Dec 31, 2002	973.20M	12.13%

View and export this data all the way back to 1998. Sign Up Today.

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Related Stocks

Company	Market Cap
NiSource	18.97B
UGI Corporation	7.89B
Southwest Gas Holdings	6.00B
Black Hills	5.37B
New Jersey Resources	5.16B
Spire	4.58B
ONE Gas	4.56B
Brookfield Infrastructure	4.47B

Market Cap Rankings