Atmos Energy ATO
NYSE ATO
$156.46 -1.12 (-0.71%)
At close: Sep 30, 2026 · 4:00 PM EDT

Atmos Energy (ATO) Shares Outstanding (Entity) (2010 - 2026)

Updated

Atmos Energy (ATO) reported Shares Outstanding (Entity) of 168.99 million for fiscal Q3 2026 (quarter ended Jun 30, 2026), up 5.3% from 160.52 million a year earlier and up 1.2% from the prior quarter.

Analysis

Atmos Energy (ATO) Shares Outstanding (Entity) (2010 - 2026) Analysis & Trends

For FY2025 (ended Sep 30, 2025), Atmos Energy posted Shares Outstanding (Entity) of 161.57 million, up 4.1% from FY2024.

  • Shares Outstanding (Entity) has increased for 13 consecutive fiscal years, with a five-year compound annual growth rate of 5.1% (FY2020 to FY2025).
  • By fiscal year, Shares Outstanding (Entity) came in at 155.26 million in FY2024 (+4.6%), 148.49 million in FY2023 (+5.4%), 140.9 million in FY2022 (+6.4%) and 132.42 million in FY2021 (+5.2%).
  • The fiscal Q3 2026 figure ranks as the highest quarterly Shares Outstanding (Entity) in data going back to fiscal Q2 2010.
  • Year over year, Shares Outstanding (Entity) has now increased in each of the last 55 quarters, with growth averaging 4.6% over the last eight quarters.
  • Over the past five years, the year-over-year growth in Shares Outstanding (Entity) ranged from 3.4% (fiscal Q3 2025) to 7.0% (fiscal Q3 2022).
  • Per Business Quant data, the three fiscal quarters before Q3 2026 came in at 166.92 million (Q2 2026), 165.43 million (Q1 2026) and 161.57 million (Q4 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Entity.) (Qtr)
1 Enel Chile 292.57 Bn 292.57 Bn 890.00 Mn -
2 National Grid 78.85 Bn 60.37 Bn - 1.04 Bn
3 Dominion Energy 53.27 Bn 55.95 Bn - 880.00 Mn
4 Xcel Energy 44.01 Bn 38.91 Bn - 624.41 Mn
5 Wec Energy 32.84 Bn 33.08 Bn 1.51 Bn 325.85 Mn
6 Ameren 27.51 Bn 27.59 Bn - 276.80 Mn
7 Fortis 26.81 Bn 27.29 Bn 1.60 Bn -
8 Atmos Energy 26.44 Bn 25.21 Bn 870.85 Mn 168.99 Mn
9 American Water Works Company 25.73 Bn 25.14 Bn - 198.73 Mn
10 Dte Energy 25.35 Bn 24.83 Bn - 208.09 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 168.99 Mn
Mar 31, 2026 166.92 Mn
Dec 31, 2025 165.43 Mn
Sep 30, 2025 161.57 Mn
Jun 30, 2025 160.52 Mn
Mar 31, 2025 158.84 Mn
Dec 31, 2024 158.73 Mn
Sep 30, 2024 155.26 Mn
Jun 30, 2024 155.23 Mn
Mar 31, 2024 150.87 Mn
Dec 31, 2023 150.83 Mn
Sep 30, 2023 148.49 Mn
Jun 30, 2023 147.30 Mn
Mar 31, 2023 144.48 Mn
Dec 31, 2022 143.16 Mn
Sep 30, 2022 140.90 Mn
Jun 30, 2022 139.89 Mn
Mar 31, 2022 139.01 Mn
Dec 31, 2021 135.43 Mn
Sep 30, 2021 132.42 Mn
API Access

Atmos Energy Shares Outstanding (Entity) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding-entity&ticker=ATO&period=max&api_key=YOUR_API_KEY