Atmos Energy
ATO
$153.56
Share price
0.77%
Change (1 day)
32.05%
Change (1 year)
Categories
Atmos Energy Corporation, headquartered in Dallas, Texas, is an American natural-gas distributor.
Market capitalization of Atmos Energy (ATO)
Market cap: $24.39 Billion USD
As of June 2025 Atmos Energy has a market cap of $24.39 Billion USD. This makes Atmos Energy the world's 860th 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 Atmos Energy from 1996 to 2025
End of year Market Cap
| Year | Marketcap | Change |
|---|---|---|
| 2025 | $24.39 B | 12.61% |
| 2024 | $21.65 B | 25.85% |
| 2023 | $17.21 B | 8.9% |
| 2022 | $15.80 B | 13.67% |
| 2021 | $13.90 B | 15.6% |
| 2020 | $12.02 B | -12.05% |
| 2019 | $13.67 B | 26.18% |
| 2018 | $10.83 B | 13.73% |
| 2017 | $9.53 B | 22.3% |
| 2016 | $7.79 B | 21.1% |
| 2015 | $6.43 B | 14.47% |
| 2014 | $5.62 B | 36.07% |
| 2013 | $4.13 B | 29.96% |
| 2012 | $3.17 B | 5.66% |
| 2011 | $3.00 B | 6.4% |
| 2010 | $2.82 B | 3.46% |
| 2009 | $2.73 B | 26.55% |
| 2008 | $2.15 B | -14.32% |
| 2007 | $2.52 B | -10.74% |
| 2006 | $2.82 B | 33.52% |
| 2005 | $2.11 B | -2.43% |
| 2004 | $2.16 B | 72.22% |
| 2003 | $1.25 B | 18.97% |
| 2002 | $1.05 B | 21.91% |
| 2001 | $0.86 B | -8.43% |
| 2000 | $0.94 B | 47.07% |
| 1999 | $0.64 B | -34.81% |
| 1998 | $0.98 B | 9.48% |
| 1997 | $0.90 B | 134.65% |
| 1996 | $0.38 B |
End of Day market cap according to different sources
On Jun 21st, 2025 the market cap of Atmos Energy was reported to be:
$24.39 Billion USD
$24.39 Billion USD
Market capitalization for similar companies or competitors
| Name | Marketcap | Market cap differencediff. | Country |
|---|---|---|---|
 National Fuel Gas
NFG | $7.74 B | -68.26% | 🇺🇸 USA |
 ONE Gas
OGS | $4.49 B | -81.55% | 🇺🇸 USA |
 NiSource
NI | $18.60 B | -23.73% | 🇺🇸 USA |
 Chesapeake Utilities
CPK | $2.80 B | -88.50% | 🇺🇸 USA |
 RGC Resources RGCO | $0.20 B | -99.14% | 🇺🇸 USA |
 Oneok OKE | $51.45 B | 110.94% | 🇺🇸 USA |
 CenterPoint Energy
CNP | $23.32 B | -4.36% | 🇺🇸 USA |