Companies › ATO
ATMOS ENERGY CORP (ATO)
Institutional ownership, SEC filings and insider activity
Sector: Infrastructure & Utilities · SEC CIK 0000731802 · EDGAR filings · Updated 2026-07-27
ATMOS ENERGY CORP (ATO) has reported institutional ownership of 95.8%, with 1,009 institutional managers holding positions valued at $29.5B per the latest 13F reporting period. The company has 1 bond series in the registry.
Filings this week (1)
- 2026-07-27 — SCHEDULE 13G/A filed
Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.
Latest updates
- 2026-07-02 — Insider transaction reported (Form 4)
- 2026-07-02 — Insider transaction reported (Form 4)
- 2026-06-25 — 11-K filed
- 2026-06-18 — Current report (8-K) filed
- 2026-06-18 — Current report (8-K) filed
- 2026-06-17 — Prospectus supplement (424B2) filed
- 2026-06-16 — FWP filed
- 2026-06-15 — Prospectus supplement (424B5) filed
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, ATMOS ENERGY CORP has 1,009 institutional holders and institutional ownership of 95.8%.
| # | Institution | Reported value | % of tracked total |
|---|---|---|---|
| 1 | BlackRock, Inc. | $3.22B | 10.9% |
| 2 | STATE STREET CORP | $2.10B | 7.1% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $1.98B | 6.7% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $1.78B | 6.0% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.72B | 5.8% |
| 6 | Capital International Investors | $1.35B | 4.6% |
| 7 | Aristotle Capital Management, LLC | $899.0M | 3.0% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $798.1M | 2.7% |
| 9 | BANK OF AMERICA CORP /DE/ | $775.7M | 2.6% |
| 10 | Capital Research Global Investors | $740.8M | 2.5% |
Full holder history and quarter-over-quarter changes are available inside the app.
Insider activity
Insiders reported 37 transactions (0 buys, 2 sells) across 14 reporting insiders, with a net reported value of −$2.34M.
Debt profile
1 active bond series in the registry, coupons ranging 5.90%–5.90%, maturities through 2033, built from the company's own prospectus filings.
Debt maturity schedule
Principal coming due by year for ATMOS ENERGY CORP, from the company's own SEC prospectus filings (424B) tracked by Sightfile.
| Year | Bond series maturing | Known principal due |
|---|---|---|
| 2027 | 1 | — |
| 2029 | 2 | — |
| 2031 | 1 | — |
| 2032 | 1 | — |
| 2033 | 1 | — |
| 2035 | 1 | — |
| 2041 | 1 | — |
| 2043 | 1 | — |
| 2044 | 2 | — |
| 2048 | 1 | — |
| 2049 | 4 | — |
| 2052 | 2 | — |
Coupons, seniority and prospectus links for each series are available inside the app.
Related companies
WEC ENERGY GROUP INC (WEC) · PUBLIC SVC ENTERPRISE GROUP (PEG) · CONSOLIDATED EDISON INC (ED) · NRG ENERGY INC (NRG) · CENTERPOINT ENERGY INC (CNP) · FIRSTENERGY CORP (FE)
See full history, cross-references and alerts on SightfileData sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-27.