Atmos Energy Corp
ATO- Exchange
- NYSE
- Industry
- Natural Gas Distribution
- SEC CIK
- 0000731802
In the last 90 days, Atmos Energy Corp insiders filed 1 open-market purchase and 0 sales; 1,044 institutions reported holding it in 13F filings for Q2 2026, worth $28.0B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Atmos Energy Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,020
- +57 vs. Q4 2025
- Shares held
- 160.0M
- +21.2M (+15.3%) vs. Q4 2025
- Total value
- $29.6B
- +$6.29B (+27.0%) vs. Q4 2025
- New holders
- 142
- 409 more added
- Sold out
- 85
- 305 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,044 | $28.0B |
| Q1 2026 | 1,020 | $29.6B |
| Q4 2025 | 980 | $27.2B |
| Q3 2025 | 912 | $27.2B |
| Q2 2025 | 871 | $24.7B |
| Q1 2025 | 861 | $24.4B |
| Q4 2024 | 818 | $21.8B |
| Q3 2024 | 758 | $20.8B |
| Q2 2024 | 736 | $16.7B |
| Q1 2024 | 731 | $16.6B |
| Q4 2023 | 722 | $15.8B |
| Q3 2023 | 669 | $14.4B |
| Q2 2023 | 672 | $15.8B |
| Q1 2023 | 664 | $14.7B |
| Q4 2022 | 663 | $14.6B |
| Q3 2022 | 631 | $13.1B |
| Q2 2022 | 620 | $14.2B |
| Q1 2022 | 608 | $14.9B |
| Q4 2021 | 575 | $12.4B |
| Q3 2021 | 536 | $9.93B |
| Q2 2021 | 548 | $10.5B |
| Q1 2021 | 550 | $10.7B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Whipplewood Advisors, LLC | 4 | $739 | 0.00% | −3−42.9% | Reduced |
| Cornerstone Financial Management LLC | 4 | $739 | 0.00% | −3−42.9% | Reduced |
| NVWM, LLC | 4 | $739 | 0.00% | −1−20.0% | Reduced |
| Quaker Wealth Management, LLC | 4 | $739 | 0.00% | 00.0% | Unchanged |
| Legacy Wealth Managment, LLC | 4 | $739 | 0.00% | 00.0% | Unchanged |
| Breakwater Investment Management | 3 | $555 | 0.00% | 00.0% | Unchanged |
| Seneschal Advisors, LLC | 3 | $555 | 0.00% | 00.0% | Unchanged |
| American Capital Advisory, LLC | 3 | $555 | 0.00% | +1+50.0% | Added |
| Nvest Wealth Strategies, Inc. | 3 | $555 | 0.00% | +3 | New |
| Leonteq Securities AG | 3 | $554 | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 3 | $554 | 0.00% | 00.0% | Unchanged |
| Synergy Investment Management, LLC | 3 | $554 | 0.00% | +3 | New |
| Bare Financial Services, Inc | 2 | $369 | 0.00% | +2 | New |
| Curio Wealth, LLC | 2 | $369 | 0.00% | +2 | New |
| Redwood Park Advisors LLC | 1 | $185 | 0.00% | −1−50.0% | Reduced |
| Davis Capital Management | 1 | $185 | 0.00% | 00.0% | Unchanged |
| Scarborough Advisors, LLC | 1 | $185 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 1 | $185 | 0.00% | 00.0% | Unchanged |
| Tidemark, LLC | 1 | $185 | 0.00% | +1 | New |
| Napier Financial, LLC | 1 | $185 | 0.00% | +1 | New |
| Mizuho Markets Americas LLC | 0 | $0 | 0.00% | −240,814−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −145,874−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −80,229−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −73,350−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −38,632−100.0% | Sold out |
| Rakuten Investment Management, Inc. | 0 | $0 | 0.00% | −21,117−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −19,904−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −17,434−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −15,007−100.0% | Sold out |
| LRT Capital Management, LLC | 0 | $0 | 0.00% | −13,197−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −12,536−100.0% | Sold out |
| Kentucky Retirement Systems | 0 | $0 | 0.00% | −9,935−100.0% | Sold out |
| OmniStar Financial Group, Inc. | 0 | $0 | 0.00% | −9,848−100.0% | Sold out |
| Scotia Capital Inc. | 0 | $0 | 0.00% | −9,203−100.0% | Sold out |
| Pensionfund Sabic | 0 | $0 | 0.00% | −7,700−100.0% | Sold out |
| Commerzbank Aktiengesellschaft | 0 | $0 | 0.00% | −7,477−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −7,274−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −6,863−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −6,710−100.0% | Sold out |
| Bridges Investment Management Inc | 0 | $0 | 0.00% | −5,940−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −5,786−100.0% | Sold out |
| 111 Capital | 0 | $0 | 0.00% | −5,579−100.0% | Sold out |
| Calton & Associates, Inc. | 0 | $0 | 0.00% | −5,262−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −5,026−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −5,009−100.0% | Sold out |
| Custom Index Systems, LLC | 0 | $0 | 0.00% | −4,704−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −4,422−100.0% | Sold out |
| Accredited Investors Inc. | 0 | $0 | 0.00% | −4,335−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −4,251−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −4,079−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −3,972−100.0% | Sold out |
| Keel Point, LLC | 0 | $0 | 0.00% | −3,209−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −2,929−100.0% | Sold out |
| Havemeyer Place LP | 0 | $0 | 0.00% | −2,619−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −2,371−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −2,338−100.0% | Sold out |
| Visionary Horizons, LLC | 0 | $0 | 0.00% | −2,114−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −1,976−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −1,945−100.0% | Sold out |
| BCS Wealth Management | 0 | $0 | 0.00% | −1,926−100.0% | Sold out |
| Index Technologies Group LLC | 0 | $0 | 0.00% | −1,910−100.0% | Sold out |
| Asset Dedication, LLC | 0 | $0 | 0.00% | −1,885−100.0% | Sold out |
| Parsonex Advisory Services, Inc. | 0 | $0 | 0.00% | −1,679−100.0% | Sold out |
| Longboard Asset Management, LP | 0 | $0 | 0.00% | −1,678−100.0% | Sold out |
| GKV Capital Management Co., Inc. | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Stevens Capital Management LP | 0 | $0 | 0.00% | −1,571−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −1,391−100.0% | Sold out |
| West Family Investments, Inc. | 0 | $0 | 0.00% | −1,380−100.0% | Sold out |
| Abc Arbitrage SA | 0 | $0 | 0.00% | −1,339−100.0% | Sold out |
| Empower Advisory Group, LLC | 0 | $0 | 0.00% | −1,313−100.0% | Sold out |
| Eagle Bay Advisors LLC | 0 | $0 | 0.00% | −1,309−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −1,260−100.0% | Sold out |
| Inlight Wealth Management, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Laurel Wealth Advisors LLC | 0 | $0 | 0.00% | −632−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −624−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −441−100.0% | Sold out |
| Sentry Investment Management LLC | 0 | $0 | 0.00% | −401−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −393−100.0% | Sold out |
| Bank of New Hampshire | 0 | $0 | 0.00% | −375−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −186−100.0% | Sold out |
| Garner Asset Management Corp | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −149−100.0% | Sold out |
| Anfield Capital Management, LLC | 0 | $0 | 0.00% | −144−100.0% | Sold out |
| Vermillion & White Wealth Management Group, LLC | 0 | $0 | 0.00% | −109−100.0% | Sold out |
| Barnes Dennig Private Wealth Management LLC | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −86−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −86−100.0% | Sold out |
| Wealth Watch Advisors, INC | 0 | $0 | 0.00% | −81−100.0% | Sold out |
| Solstein Capital, LLC | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Howard Hughes Medical Institute | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Cornerstone National Bank & Trust Co | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Reyes Financial Architecture, Inc. | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| IFC & Insurance Marketing, Inc. | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Carolina Wealth Advisors, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Valued Wealth Advisors LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Rakuten Securities, Inc. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Bridge Generations Wealth Management LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |