Atmos Energy Shares Outstanding 2012-2026 | ATO

Atmos Energy shares outstanding history from 2012 to 2026. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • Atmos Energy shares outstanding for the quarter ending March 31, 2026 were 0.168B, a 4.6% increase year-over-year.
  • Atmos Energy 2025 shares outstanding were 0.161B, a 5.18% increase from 2024.
  • Atmos Energy 2024 shares outstanding were 0.153B, a 5.17% increase from 2023.
  • Atmos Energy 2023 shares outstanding were 0.145B, a 5.12% increase from 2022.
Unlock Macrotrends Premium
40 years of data
Faster, ad-free pages
Unlimited data exports
Full-width charts
Atmos Energy Annual Shares Outstanding
(Millions of Shares)
2025 161
2024 153
2023 145
2022 138
2021 130
2020 123
2019 117
2018 111
2017 106
2016 104
2015 102
2014 98
2013 92
2012 91
2011 91
Atmos Energy Quarterly Shares Outstanding
(Millions of Shares)
2026-03-31 168
2025-12-31 165
2025-09-30 161
2025-06-30 161
2025-03-31 160
2024-12-31 158
2024-09-30 153
2024-06-30 153
2024-03-31 151
2023-12-31 150
2023-09-30 145
2023-06-30 146
2023-03-31 144
2022-12-31 142
2022-09-30 138
2022-06-30 140
2022-03-31 137
2021-12-31 134
2021-09-30 130
2021-06-30 131
2021-03-31 129
2020-12-31 127
2020-09-30 123
2020-06-30 123
2020-03-31 123
2019-12-31 121
2019-09-30 117
2019-06-30 118
2019-03-31 118
2018-12-31 114
2018-09-30 111
2018-06-30 112
2018-03-31 112
2017-12-31 109
2017-09-30 106
2017-06-30 106
2017-03-31 106
2016-12-31 105
2016-09-30 104
2016-06-30 104
2016-03-31 103
2015-12-31 103
2015-09-30 102
2015-06-30 102
2015-03-31 102
2014-12-31 102
2014-09-30 98
2014-06-30 101
2014-03-31 96
2013-12-31 92
2013-09-30 92
2013-06-30 92
2013-03-31 91
2012-12-31 91
2012-09-30 91
2012-06-30 91
2012-03-31 90
2011-12-31 91
2011-09-30 91
2011-06-30 90
Sector Industry Market Cap Revenue
Utilities Utility - Natural Gas Distribution $31.493B $4.703B
Atmos Energy Corporation, along with its subsidiaries, is engaged in regulated natural gas distribution and storage business. The company serves natural gas distribution customers from the Blue Ridge Mountains in the East to the Rocky Mountains in the West. The company operates miles of transmission and distribution lines as well as miles of interstate pipelines. Atmos Energy's operating strategy has been focused on modernizing its transmission and distribution network as well as reducing regulatory lag.
Stock Name Country Market Cap PE Ratio
Hong Kong & China Gas (HOKCY) Hong Kong, SAR China $16.980B 0.00
Centrica (CPYYY) United Kingdom $13.789B 0.00
ENN Energy Holdings (XNGSY) China $9.445B 0.00
UGI (UGI) United States $8.143B 11.75
Southwest Gas (SWX) United States $6.743B 25.88
NewJersey Resources (NJR) United States $5.744B 18.08
ONE Gas (OGS) United States $5.649B 20.32
Spire (SR) United States $5.578B 19.22
Enagas SA (ENGGY) Spain $5.277B 0.00
MDU Resources (MDU) United States $4.573B 24.02
Chesapeake Utilities (CPK) United States $3.157B 21.86
Northwest Natural Gas (NWN) United States $2.311B 18.85
Clean Energy Fuels (CLNE) United States $0.496B 0.00