ATO Atmos Energy Corporation
NYSEActiveCommon stock
ATO is the ticker symbol of Atmos Energy Corporation, which is listed on NYSE.
ATO at a glance
- Symbol
- ATO
- Company / issuer
- Atmos Energy Corporation
- Security type
- Common stock
- Exchange
- NYSE
- Status
- Actively traded
- Seen in listing files
- Apr 2015 – present
- Sector
- Utilities
- Industry
- Oil/Gas Transmission
- Country
- United States
- Market cap
- $26.4 billion (Sep 2026)
Atmos Energy Corporation company profile
- Industry (SIC)
- Natural Gas Distribution
- Headquarters
- Dallas, TX
- Incorporated in
- TX
- Fiscal year end
- September 30
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2025-11-14
- Latest interim report
- 10-Q filed 2026-08-05
- SEC CIK
- 731802
Source: SEC EDGAR filer data.
ATO price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol ATO?
ATO is the ticker symbol of Atmos Energy Corporation on NYSE.
Is ATO still trading?
Yes. ATO appears in the current NYSE listings as of Sep 2026.
Which exchange is ATO listed on?
ATO is listed on NYSE.
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