ATMOS ENERGY CORP
Ticker: ATOUtilitiesElectric, Gas & WaterS&P 500The business
Atmos Energy Corporation (NYSE: ATO) is a natural gas-only distributor and one of the largest natural gas utility companies in the United States. The company operates through two primary reportable segments: distribution and pipeline and storage. Headquartered in Dallas, Atmos Energy serves approximately 3.4 million residential, commercial, public authority, and industrial customers across eight states located primarily in the South, with operations in Texas, Kentucky, Tennessee, Virginia, Louisiana, Mississippi, Colorado, and Kansas. The company maintains a website at www.atmosenergy.com.
The distribution segment comprises regulated natural gas distribution and related sales operations across six divisions: Mid-Tex, Kentucky/Mid-States, Louisiana, West Texas, Mississippi, and Colorado-Kansas. The Mid-Tex Division represents the largest service area with approximately 1.83 million customer meters across 550 communities in Texas. The pipeline and storage segment includes the regulated pipeline and storage operations of Atmos Pipeline-Texas, one of the largest intrastate pipelines in Texas with five underground storage facilities, and natural gas transmission operations in Louisiana. The company operates more than 81,000 miles of distribution and transmission lines and holds 1,010 franchises across its service territories.
Atmos Energy employs approximately 5,487 people as of September 30, 2025. The company's business model centers on safely delivering reliable and efficient natural gas through regulated sales and transportation arrangements. A core competitive advantage lies in its extensive infrastructure network and established regulatory relationships across multiple states. The company has implemented formula rate mechanisms in four states and infrastructure programs in all eight states, enabling recovery of approximately 95 percent of capital expenditures within six months and substantially all within twelve months. Weather normalization adjustment mechanisms protect approximately 97 percent of residential and commercial revenues in seven states. The company maintains natural gas supply through a competitive bidding process with multiple suppliers and utilizes 33 pipeline transportation companies for delivery, providing operational flexibility and supply security.
- Sector
- Utilities
- Industry
- Electric, Gas & Water
- HQ
- DALLAS, TX
- FY end
- 09-30
- CIK
- 731802
- SIC
- 4924
Ownership
Who holds ATMOS ENERGY CORP — across funds, superinvestors and bonds · N-PORT 2026Q2 · 13F 2026-06-30
Top fund holders
| Fund | % of fund | Value |
|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VTI · VANGUARD INDEX FUNDS | 0.04% | $912.79M |
| VANGUARD 500 INDEX FUND VOO · VANGUARD INDEX FUNDS | 0.04% | $745.14M |
| VANGUARD SMALL-CAP INDEX FUND VB · VANGUARD INDEX FUNDS | 0.35% | $659.37M |
| iShares MSCI USA Quality Factor ETF QUAL · iShares Trust | 1.21% | $604.17M |
| American Funds Fundamental Investors ANCFX | 0.30% | $536.86M |
Bonds held by funds
Funds report holding 19 issues of ATMOS ENERGY CORP's debt, $853.16M at fund-held market value — what funds hold, not the company's debt outstanding. Weighted-average coupon 4.52%, maturing 2027–2056.
| Issue | Coupon | Matures | Funds | Fund-held |
|---|---|---|---|---|
| Atmos Energy Corp | 5.900% | 2033-11-15 | 60 | $114.40M |
| Atmos Energy Corp. | 5.000% | 2054-12-15 | 37 | $93.02M |
| Atmos Energy Corp | 5.200% | 2035-08-15 | 41 | $81.21M |
| ATMOS ENERGY COR | 4.750% | 2032-01-15 | 25 | $69.38M |
| Atmos Energy Corp | 1.500% | 2031-01-15 | 49 | $58.57M |
| Atmos Energy Corp | 2.630% | 2029-09-15 | 37 | $56.77M |
| Atmos Energy Corp. | 5.450% | 2032-10-15 | 26 | $41.78M |
| Atmos Energy Corp | 5.450% | 2056-01-15 | 43 | $41.44M |
| Atmos Energy Corp | 3.000% | 2027-06-15 | 30 | $40.85M |
| Atmos Energy Corp | 3.380% | 2049-09-15 | 31 | $37.81M |
The 10 largest by fund-held value, of 19.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
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