Atmos Energy Corporation (ATO)

Atmos Energy Market Cap

Atmos Energy has a market cap or net worth of $26.98 billion as of January 9, 2026. Its market cap has increased by 24.71% in one year.

• Market Cap: 26.98B
• Enterprise Value: 36.08B
• 1-Year Change: 24.71%
• Ranking: #489
• Category: Large-Cap
• Stock Price: $166.78

Market Cap Chart

Since December 1, 1998, Atmos Energy's market cap has increased from $926.30M to $26.98B, an increase of 2,812.27%. That is a compound annual growth rate of 13.23%.

Market Cap History

Date	Market Cap	% Change
Jan 9, 2026	26.97B	-0.51%
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%

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