Atmos Energy ATO
NYSE ATO
$166.55 -1.52 (-0.90%)
As of: Sep 9, 2026 · 3:59 PM EDT

Atmos Energy (ATO) Market Capitalization (2010 - 2026)

Atmos Energy's (ATO) quarterly Market Capitalization came in at $29.1 billion in Q2 2026, up 17.68% year-over-year from $24.7 billion in Q2 2025, and down 5.58% quarter-over-quarter from $30.8 billion in Q1 2026.

Analysis

Atmos Energy (ATO) Market Capitalization (2010 - 2026) Analysis & Trends

Atmos Energy (ATO) has reported Market Capitalization for 17 consecutive years, with $29.1 billion the latest figure, recorded in Q2 2026.

  • On a quarterly basis, Market Capitalization rose 17.68% year-over-year to $29.1 billion in Q2 2026; TTM through Jun 2026 was $29.1 billion, a 17.68% increase from a year earlier, with the FY2025 full-year figure at $27.6 billion, up 28.1% from the prior year.
  • Market Capitalization was $29.1 billion for Q2 2026 at Atmos Energy, down from $30.8 billion in the prior quarter.
  • Over five years, Market Capitalization peaked at $30.8 billion in Q1 2026 and troughed at $14.4 billion in Q3 2022.
  • A 5-year average of $20.8 billion and a median of $18.0 billion in 2024 frame the typical range for Market Capitalization.
  • Across the five-year window, Market Capitalization declined 2.27% in 2023 and surged 36.91% in 2024, its largest moves.
  • Over 5 years, Market Capitalization stood at $16.0 billion in 2022, then grew by 8.96% to $17.5 billion in 2023, then gained by 26.45% to $22.1 billion in 2024, then advanced by 25.45% to $27.7 billion in 2025, then gained by 4.97% to $29.1 billion in 2026.
  • The last three Market Capitalization figures came in at $29.1 billion (Q2 2026), $30.8 billion (Q1 2026), and $27.7 billion (Q4 2025), per Business Quant data.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Atmos Energy 28.05 Bn 27.52 Bn -
2 Nisource 19.98 Bn 19.91 Bn 867.50 Mn
3 New Jersey Resources 5.41 Bn 5.37 Bn 243.61 Mn
4 ONE Gas 4.97 Bn 4.94 Bn 272.01 Mn
5 Rgc Resources 220.42 Mn 217.40 Mn 11.98 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 29.11 Bn
Mar 31, 2026 30.83 Bn
Dec 31, 2025 27.73 Bn
Sep 30, 2025 27.59 Bn
Jun 30, 2025 24.74 Bn
Mar 31, 2025 24.55 Bn
Dec 31, 2024 22.11 Bn
Sep 30, 2024 21.54 Bn
Jun 30, 2024 18.11 Bn
Mar 31, 2024 17.93 Bn
Dec 31, 2023 17.48 Bn
Sep 30, 2023 15.73 Bn
Jun 30, 2023 17.14 Bn
Mar 31, 2023 16.23 Bn
Dec 31, 2022 16.04 Bn
Sep 30, 2022 14.35 Bn
Jun 30, 2022 15.68 Bn
Mar 31, 2022 16.61 Bn
Dec 31, 2021 14.19 Bn
Sep 30, 2021 11.68 Bn