TickerFacts.

Atmos Energy Corp (ATO): Shares Outstanding

Annual figures by period end, from SEC filings.

161.57M
As of 2025-09-30
168.99M
As of 2026-06-30
+4.7%
3-year compound annual growth
+5.1%
5-year compound annual growth
2017-09-30: 106.10M2018-09-30: 111.27M2019-09-30: 119.34M2020-09-30: 125.88M2021-09-30: 132.42M2022-09-30: 140.90M2023-09-30: 148.49M2024-09-30: 155.26M2025-09-30: 161.57M161.57M
2017-09-30 Shares Outstanding (shares) 2025-09-30
Period endedShares OutstandingChange YoYSource filing
2025-09-30161.57M+4.1%2025-11-14, Balance as of period end
2024-09-30155.26M+4.6%2025-11-14, Balance as of period end
2023-09-30148.49M+5.4%2024-11-18, Balance as of period end
2022-09-30140.90M+6.4%2023-11-14, Balance as of period end
2021-09-30132.42M+5.2%2022-11-14, Balance as of period end
2020-09-30125.88M+5.5%2021-11-12, Balance as of period end
2019-09-30119.34M+7.2%2020-11-13, Balance as of period end
2018-09-30111.27M+4.9%2019-11-12, Balance as of period end
2017-09-30106.10Mn/a2018-11-13, Balance as of period end