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Atmos Energy Shares Outstanding 2013-2026 | ATO

Annual FY2013–FY2025 · quarterly through Q3 FY2026

Latest annual · FY2025

161.6M

+4.1%YoY vs FY2024Source: 10-KFY2025

From 90.6M in FY2013 to 161.6M in FY2025: 1.8× in 12 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY26165M+4.2%167M+5.1%169M+5.3%Not reported
FY25159M+5.2%159M+5.3%161M+3.4%162M+4.1%
FY24151M+5.4%151M+4.4%155M+5.4%155M+4.6%
FY23143M+5.7%144M+3.9%147M+5.3%148M+5.4%
FY22135M+5.7%139M+6.4%140M+7.0%141M+6.4%

Shaded by size: darkest is the largest quarter shown; ringed is the latest reported; a dash marks a quarter with no separate figure. Each quarter sits by its period-end date.

Key Statistics

Trend DirectionGrowing
CAGR

+5.1%

FY2020
125.9M
FY2025
161.6M

5 years selected · on the chart

Shares Outstanding History

Year-over-year comparison from 10-K annual reports

  1. 161.6M
YoY changeLargest recent move+7.2%in FY19Latest +4.1%

Shares Outstanding, period by period

PeriodValueChangeSource
FY2025161.6M+4.1%10-K
FY2024155.3M+4.6%10-K
FY2023148.5M+5.4%10-K
FY2022140.9M+6.4%10-K
FY2021132.4M+5.2%10-K
FY2020125.9M+5.5%10-K
FY2019119.3M+7.2%10-K
FY2018111.3M+4.9%10-K
FY2017106.1M+2.1%10-K
FY2016103.9M+2.4%10-K
FY2015101.5M+1.1%10-K
FY2014100.4M+10.8%10-K
FY201390.6M—10-K

What is shares outstanding?

Shares outstanding is the total number of common shares currently held by all shareholders, including restricted shares.

What is Atmos Energy's current shares outstanding?

Atmos Energy (ATO) annual shares outstanding for 2025 was 161.6M, a 4.06% increase from 2024. Atmos Energy shares outstanding for the quarter ending June 30, 2026 was 169.0M.

What was Atmos Energy's shares outstanding in 2024?

Atmos Energy annual shares outstanding for 2024 was 155.3M, a 4.56% increase from 2023.

What was Atmos Energy's shares outstanding in 2023?

Atmos Energy annual shares outstanding for 2023 was 148.5M, a 5.39% increase from 2022.

What is Atmos Energy's 5-year shares outstanding CAGR?

Atmos Energy shares outstanding grew at a compound annual growth rate (CAGR) of 5.12% from FY2020 to FY2025, going from 125.9M to 161.6M over 5 years.

Company
Atmos Energy
Ticker
ATO
Sector
Energy
Industry
Natural Gas Distribution