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, Q4 2025
Institutional positions in Atmos Energy Corp as of Dec 31, 2025. 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
- 980
- +81 vs. Q3 2025
- Shares held
- 162.1M
- +2.64M (+1.7%) vs. Q3 2025
- Total value
- $27.2B
- −$53.9M (−0.2%) vs. Q3 2025
- New holders
- 144
- 362 more added
- Sold out
- 63
- 307 more reduced
13 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 172,435 | $28.9M | 0.04% | +172,435 | New |
| Victory Capital Management Inc | 160,344 | $26.9M | 0.02% | −11,394−6.6% | Reduced |
| Maryland State Retirement & Pension System | 159,227 | $26.7M | 0.55% | +2,735+1.7% | Added |
| Janney Montgomery Scott LLC | 155,379 | $26.0M | 0.06% | −645−0.4% | Reduced |
| CIBC Asset Management Inc | 153,013 | $25.6M | 0.06% | +15,614+11.4% | Added |
| Cramer Rosenthal McGlynn LLC | 149,679 | $25.1M | 1.62% | −1,686−1.1% | Reduced |
| KLP Kapitalforvaltning AS | 147,159 | $24.7M | 0.10% | −12,800−8.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 145,874 | $24.5M | 0.10% | −6,200−4.1% | Reduced |
| Asset Management One Co.,Ltd. | 143,737 | $24.2M | 0.07% | +16,256+12.8% | Added |
| Hennessy Advisors Inc | 144,386 | $24.2M | 0.86% | −3,700−2.5% | Reduced |
| Ameriprise Financial Inc | 141,138 | $23.7M | 0.01% | −4,335−3.0% | Reduced |
| Arbejdsmarkedets Tillaegspension | 139,878 | $23.4M | 0.60% | +139,878 | New |
| Magellan Asset Management Ltd | 138,554 | $23.2M | 0.28% | +7,991+6.1% | Added |
| State Board of Administration of Florida Retirement System | 137,046 | $23.0M | 0.04% | 00.0% | Unchanged |
| Clearbridge Investments, LLC | 136,633 | $22.9M | 0.02% | +47,242+52.8% | Added |
| Man Group plc | 133,542 | $22.4M | 0.04% | +32,956+32.8% | Added |
| Aviva PLC | 133,161 | $22.3M | 0.04% | +7,027+5.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 132,162 | $22.2M | 0.03% | +46,903+55.0% | Added |
| Baird Financial Group, Inc. | 120,941 | $20.3M | 0.03% | +5,806+5.0% | Added |
| New York State Teachers Retirement System | 119,391 | $20.0M | 0.04% | −20.0% | Reduced |
| Russell Investments Group, Ltd. | 118,919 | $19.9M | 0.02% | +675+0.6% | Added |
| STRS Ohio | 118,134 | $19.8M | 0.07% | +500.0% | Added |
| Natixis Advisors, L.P. | 116,484 | $19.5M | 0.03% | −14,348−11.0% | Reduced |
| Assenagon Asset Management S.A. | 114,386 | $19.2M | 0.03% | −96,835−45.8% | Reduced |
| Storebrand Asset Management AS | 113,057 | $19.0M | 0.05% | +32,133+39.7% | Added |
| FMR LLC | 112,965 | $18.9M | 0.00% | +16,796+17.5% | Added |
| Quantinno Capital Management LP | 107,542 | $18.0M | 0.04% | +27,443+34.3% | Added |
| Capital Group Private Client Services, Inc. | 106,601 | $17.9M | 0.28% | +2,715+2.6% | Added |
| Macquarie Group Ltd | 106,103 | $17.8M | 0.08% | +4,072+4.0% | Added |
| AMF Pensionsforsakring AB | 102,632 | $17.2M | 0.11% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 100,740 | $16.9M | 0.03% | −41,261−29.1% | Reduced |
| Squarepoint Ops LLC | 98,135 | $16.5M | 0.03% | −392,350−80.0% | Reduced |
| Cetera Investment Advisers | 97,758 | $16.4M | 0.02% | +4,088+4.4% | Added |
| Gabelli Funds LLC | 92,950 | $15.6M | 0.11% | −1,600−1.7% | Reduced |
| Public Employees Retirement System of Ohio | 92,708 | $15.5M | 0.05% | −6,371−6.4% | Reduced |
| Assetmark, Inc | 87,011 | $14.6M | 0.03% | −23,306−21.1% | Reduced |
| National Bank of Canada | 85,764 | $14.4M | 0.01% | +44,867+109.7% | Added |
| Paradiem, LLC | 85,664 | $14.4M | 3.44% | −743−0.9% | Reduced |
| Mather Group, LLC. | 83,983 | $14.1M | 0.14% | −4,997−5.6% | Reduced |
| State of Wisconsin Investment Board | 83,136 | $13.9M | 0.03% | −1,123−1.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 80,229 | $13.4M | 0.46% | 00.0% | Unchanged |
| Prudential Financial Inc | 78,851 | $13.2M | 0.02% | −10,267−11.5% | Reduced |
| SG Americas Securities, LLC | 77,177 | $12.9M | 0.02% | +50,252+186.6% | Added |
| D. E. Shaw & Co., Inc. | 73,350 | $12.3M | 0.01% | +63,204+622.9% | Added |
| Bank of Nova Scotia | 72,972 | $12.2M | 0.02% | +43,071+144.0% | Added |
| Edgestream Partners, L.P. | 72,520 | $12.2M | 0.34% | +72,520 | New |
| Mitsubishi UFJ Trust & Banking Corp | 70,655 | $11.8M | 0.03% | −48−0.1% | Reduced |
| Eastern Bank | 70,142 | $11.8M | 0.20% | +87+0.1% | Added |
| Yousif Capital Management, LLC | 67,628 | $11.4M | 0.12% | −4,701−6.5% | Reduced |
| Creative Planning | 67,620 | $11.3M | 0.01% | +10,077+17.5% | Added |
| Treasurer of the State of North Carolina | 67,057 | $11.2M | 0.04% | −4,093−5.8% | Reduced |
| Millennium Management LLC | 66,985 | $11.2M | 0.01% | +6,559+10.9% | Added |
| TD Asset Management Inc | 66,706 | $11.2M | 0.01% | −100,447−60.1% | Reduced |
| Resona Asset Management Co.,Ltd. | 66,466 | $11.2M | 0.05% | −1,477−2.2% | Reduced |
| Forsta Ap-Fonden | 65,000 | $10.9M | 0.06% | −14,700−18.4% | Reduced |
| Van Eck Associates Corp | 64,534 | $10.8M | 0.01% | +5,287+8.9% | Added |
| Kepler Cheuvreux (Suisse) SA | 62,677 | $10.5M | 0.59% | −44,808−41.7% | Reduced |
| Mn Services Vermogensbeheer B.V. | 62,662 | $10.5M | 0.06% | +3,262+5.5% | Added |
| Cresset Asset Management, LLC | 61,719 | $10.3M | 0.04% | +450+0.7% | Added |
| Worldquant Millennium Advisors LLC | 60,910 | $10.2M | 0.04% | +2,322+4.0% | Added |
| State of Michigan Retirement System | 60,010 | $10.1M | 0.05% | +9,000+17.6% | Added |
| Abn Amro Investment Solutions | 59,866 | $10.0M | 0.15% | −1,113−1.8% | Reduced |
| State of Tennessee, Treasury Department | 60,209 | $10.0M | 0.03% | −382−0.6% | Reduced |
| HighTower Advisors, LLC | 59,496 | $9.97M | 0.01% | −3,513−5.6% | Reduced |
| Miller Howard Investments Inc | 58,819 | $9.86M | 0.30% | +4,186+7.7% | Added |
| Mattern Capital Management, LLC | 58,526 | $9.81M | 1.16% | −1,540−2.6% | Reduced |
| CI Private Wealth, LLC | 57,781 | $9.69M | 0.01% | +2,402+4.3% | Added |
| M&T Bank Corp | 56,567 | $9.48M | 0.03% | +10,018+21.5% | Added |
| Sienna Gestion | 56,500 | $9.48M | 0.58% | −11,717−17.2% | Reduced |
| Daiwa Securities Group Inc. | 56,093 | $9.40M | 0.03% | +885+1.6% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 55,815 | $9.36M | 0.24% | +3,427+6.5% | Added |
| Ensign Peak Advisors, Inc | 53,427 | $8.96M | 0.02% | −58,931−52.4% | Reduced |
| Arvest Bank Trust Division | 52,576 | $8.81M | 0.48% | −5,188−9.0% | Reduced |
| CIBC World Markets Corp | 52,230 | $8.76M | 0.04% | +52,230 | New |
| Renaissance Technologies LLC | 52,000 | $8.72M | 0.01% | −21,400−29.2% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 51,838 | $8.69M | 0.04% | −475−0.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 51,656 | $8.66M | 0.06% | −10,710−17.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 50,744 | $8.51M | 0.01% | +1,875+3.8% | Added |
| Cerity Partners LLC | 50,696 | $8.50M | 0.01% | −12,465−19.7% | Reduced |
| Fisher Funds Management LTD | 49,500 | $8.30M | 0.21% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 47,676 | $7.99M | 0.00% | +7,354+18.2% | Added |
| IFM Investors Pty Ltd | 47,401 | $7.95M | 0.07% | +1,791+3.9% | Added |
| Tredje AP-fonden | 45,130 | $7.57M | 0.06% | +31,808+238.8% | Added |
| Nisa Investment Advisors, LLC | 44,853 | $7.52M | 0.02% | +1,333+3.1% | Added |
| Susquehanna International Group, LLP | 44,707 | $7.49M | 0.01% | +4,945+12.4% | Added |
| Arizona State Retirement System | 44,097 | $7.39M | 0.04% | −2,679−5.7% | Reduced |
| DnB Asset Management AS | 43,817 | $7.35M | 0.03% | +2,208+5.3% | Added |
| Czech National Bank | 42,328 | $7.10M | 0.05% | +1,559+3.8% | Added |
| Diversify Wealth Management, LLC | 41,424 | $6.98M | 0.33% | −497−1.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 41,446 | $6.95M | 0.01% | +4,205+11.3% | Added |
| Illinois Municipal Retirement Fund | 41,164 | $6.90M | 0.09% | +364+0.9% | Added |
| Public Sector Pension Investment Board | 41,046 | $6.88M | 0.02% | +6,270+18.0% | Added |
| Swedbank AB | 40,938 | $6.86M | 0.01% | −413−1.0% | Reduced |
| BCM Advisors, LLC | 41,319 | $6.83M | 1.31% | 00.0% | Unchanged |
| MML Investors Services, LLC | 40,607 | $6.81M | 0.02% | +2,314+6.0% | Added |
| Westerkirk Capital Inc. | 40,361 | $6.77M | 0.66% | +27,700+218.8% | Added |
| Canada Pension Plan Investment Board | 39,910 | $6.69M | 0.00% | −39,700−49.9% | Reduced |
| Franklin Resources Inc | 39,778 | $6.67M | 0.00% | −4,942−11.1% | Reduced |
| Kennedy Capital Management, Inc. | 39,511 | $6.62M | 0.14% | −181−0.5% | Reduced |
| Umb Bank N A | 39,506 | $6.62M | 0.09% | −581−1.4% | Reduced |