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

Atmos Energy (ATO) reported Shares Outstanding of $166.9 million for Q1 2026, up 5.09% year-over-year from $158.8 million in Q1 2025, and up 0.9% quarter-over-quarter from $165.4 million in Q4 2025.

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

Atmos Energy (ATO) has 17 years of Shares Outstanding data on file, last reported at $166.9 million in Q1 2026.

  • Shares Outstanding for Q1 2026 came in at $166.9 million, up 5.09% year-over-year; the trailing twelve-month figure through Mar 2026 was $166.9 million (up 5.09% YoY), and the FY2025 annual result was $161.6 million, up 4.06% from the prior year.
  • Shares Outstanding rose to $166.9 million in Q1 2026 per ATO's latest filing, from $165.4 million in the prior quarter.
  • Over five years, Shares Outstanding peaked at $166.9 million in Q1 2026 and troughed at $139.0 million in Q1 2022.
  • A 5-year average of $152.2 million and a median of $150.9 million in 2024 frame the typical range for Shares Outstanding.
  • The sharpest annual moves came in 2022 and 2025: Shares Outstanding climbed 6.96% in 2022, then gained 3.41% in 2025.
  • A 5-year view of Shares Outstanding shows it stood at $143.2 million in 2022, then advanced by 5.36% to $150.8 million in 2023, then grew by 5.23% to $158.7 million in 2024, then grew by 4.23% to $165.4 million in 2025, then gained by 0.9% to $166.9 million in 2026.
  • Business Quant data shows ATO's Shares Outstanding at $166.9 million in Q1 2026, $165.4 million in Q4 2025, and $161.6 million in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares (Qtr)
1 Atmos Energy 28.34 Bn 28.21 Bn - 166.92 Mn
2 Nisource 22.33 Bn 24.52 Bn 1.83 Bn 479.36 Mn
3 Ugi 7.49 Bn 6.94 Bn 1.50 Bn 217.56 Mn
4 New Jersey Resources 5.59 Bn 5.45 Bn 826.91 Mn 100.86 Mn
5 Black Hills 5.49 Bn 5.46 Bn - 76.17 Mn
6 ONE Gas 4.93 Bn 4.91 Bn 438.14 Mn 62.76 Mn
7 Mdu Resources 4.39 Bn 4.33 Bn - 209.01 Mn
8 Centuri Holdings 3.01 Bn 2.95 Bn 35.76 Mn 100.84 Mn
9 Chesapeake Utilities 2.96 Bn 2.96 Bn 102.40 Mn 24.00 Mn
10 Brookfield Infrastructure 426.14 Mn 3.22 Bn 539.00 Mn -

Historic Data

Download Data
DateValue
Mar 31, 2026 166.92 Mn
Mar 31, 2026 166.92 Mn
Mar 31, 2026 166.92 Mn
Mar 31, 2026 166.92 Mn
Mar 31, 2026 166.92 Mn
Mar 31, 2026 166.92 Mn
Mar 31, 2026 166.92 Mn
Mar 31, 2026 166.92 Mn
Dec 31, 2025 165.43 Mn
Dec 31, 2025 165.43 Mn
Dec 31, 2025 165.43 Mn
Dec 31, 2025 165.43 Mn
Dec 31, 2025 165.43 Mn
Dec 31, 2025 165.43 Mn
Dec 31, 2025 165.43 Mn
Dec 31, 2025 165.43 Mn
Sep 30, 2025 161.57 Mn
Sep 30, 2025 161.57 Mn
Sep 30, 2025 161.57 Mn
Sep 30, 2025 161.57 Mn