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, Q2 2026
Institutional positions in Atmos Energy Corp as of Jun 30, 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
- 1,044
- +36 vs. Q1 2026
- Shares held
- 162.7M
- +2.70M (+1.7%) vs. Q1 2026
- Total value
- $28.0B
- −$1.52B (−5.1%) vs. Q1 2026
- New holders
- 132
- 416 more added
- Sold out
- 96
- 344 more reduced
12 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of Montreal | 199,427 | $34.4M | 0.01% | +34,426+20.9% | Added |
| Lazard Asset Management LLC | 193,220 | $33.3M | 0.05% | +111,350+136.0% | Added |
| California State Teachers Retirement System | 193,061 | $33.3M | 0.03% | −280,692−59.2% | Reduced |
| Balyasny Asset Management LLC | 192,607 | $33.2M | 0.06% | +190,138+7,701.0% | Added |
| Tudor Investment Corp Et Al | 192,530 | $33.2M | 0.14% | +145,541+309.7% | Added |
| SEI Investments Co | 192,466 | $33.2M | 0.03% | −320,359−62.5% | Reduced |
| Worldquant Millennium Advisors LLC | 191,570 | $33.0M | 0.11% | +123,482+181.4% | Added |
| Allspring Global Investments Holdings, LLC | 189,776 | $32.8M | 0.05% | +520+0.3% | Added |
| Dearborn Partners LLC | 188,329 | $32.4M | 1.84% | +600.0% | Added |
| Schroder Investment Management Group | 184,328 | $32.2M | 0.02% | −74,903−28.9% | Reduced |
| Magellan Asset Management Ltd | 186,934 | $32.2M | 0.72% | +5,567+3.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 184,188 | $31.7M | 0.03% | +53,848+41.3% | Added |
| Alliancebernstein L.P. | 171,118 | $31.6M | 0.01% | +1,289+0.8% | Added |
| Two Sigma Investments, LP | 183,096 | $31.5M | 0.02% | +93,111+103.5% | Added |
| Eurizon Capital SGR S.p.A. | 181,977 | $31.4M | 0.08% | −7,373−3.9% | Reduced |
| Public Employees Retirement Association of Colorado | 180,391 | $31.1M | 0.11% | −103−0.1% | Reduced |
| STRS Ohio | 179,241 | $30.9M | 0.12% | +54,013+43.1% | Added |
| Tredje AP-fonden | 177,484 | $30.6M | 0.14% | +82,166+86.2% | Added |
| Maryland State Retirement & Pension System | 167,136 | $28.8M | 0.49% | +10,098+6.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 187,073 | $28.6M | 0.04% | +2,555+1.4% | Added |
| Vanguard Investments Australia, Ltd. | 164,929 | $28.4M | 0.07% | +8,075+5.1% | Added |
| Assenagon Asset Management S.A. | 164,856 | $28.4M | 0.04% | +126,415+328.9% | Added |
| Victory Capital Management Inc | 163,913 | $28.2M | 0.02% | +181+0.1% | Added |
| Arbejdsmarkedets Tillaegspension | 163,100 | $28.1M | 0.61% | +23,558+16.9% | Added |
| Korea Investment CORP | 157,716 | $27.2M | 0.05% | +2,756+1.8% | Added |
| Creative Planning | 150,531 | $25.9M | 0.02% | +19,044+14.5% | Added |
| KLP Kapitalforvaltning AS | 149,759 | $25.8M | 0.08% | −3,800−2.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 148,804 | $25.6M | 0.04% | +148,804 | New |
| Storebrand Asset Management AS | 148,301 | $25.5M | 0.06% | +22,724+18.1% | Added |
| Hennessy Advisors Inc | 148,286 | $25.5M | 0.82% | +5,000+3.5% | Added |
| Gotham Asset Management, LLC | 146,815 | $25.3M | 0.06% | +78,798+115.9% | Added |
| Marshall Wace, LLP | 138,624 | $23.9M | 0.02% | +138,624 | New |
| Squarepoint Ops LLC | 138,416 | $23.8M | 0.05% | +99,201+253.0% | Added |
| State Board of Administration of Florida Retirement System | 134,286 | $23.1M | 0.04% | −2,760−2.0% | Reduced |
| CIBC Asset Management Inc | 133,437 | $23.0M | 0.05% | −24,769−15.7% | Reduced |
| Trexquant Investment LP | 132,699 | $22.9M | 0.14% | +117,157+753.8% | Added |
| Janney Montgomery Scott LLC | 129,496 | $22.3M | 0.04% | −12,034−8.5% | Reduced |
| Baird Financial Group, Inc. | 126,879 | $21.9M | 0.03% | −343−0.3% | Reduced |
| D. E. Shaw & Co., Inc. | 126,273 | $21.8M | 0.01% | +126,273 | New |
| Natixis Advisors, L.P. | 124,574 | $21.5M | 0.02% | +2,970+2.4% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 124,057 | $21.4M | 0.10% | +71,671+136.8% | Added |
| Asset Management One Co.,Ltd. | 122,429 | $21.1M | 0.05% | −19,540−13.8% | Reduced |
| Sienna Gestion | 117,688 | $20.8M | 1.22% | −9,324−7.3% | Reduced |
| New York State Teachers Retirement System | 115,773 | $19.9M | 0.04% | −10,811−8.5% | Reduced |
| FIL Ltd | 115,013 | $19.8M | 0.01% | +113,789+9,296.5% | Added |
| T. Rowe Price Investment Management, Inc. | 114,786 | $19.8M | 0.01% | −243,866−68.0% | Reduced |
| Macquarie Group Ltd | 114,639 | $19.7M | 0.09% | +12,127+11.8% | Added |
| Schonfeld Strategic Advisors LLC | 112,617 | $19.4M | 0.10% | +102,137+974.6% | Added |
| Toronto Dominion Bank | 110,059 | $19.0M | 0.03% | −199,402−64.4% | Reduced |
| Occudo Quantitative Strategies LP | 108,671 | $18.7M | 0.99% | +74,112+214.5% | Added |
| Ameriprise Financial Inc | 106,053 | $18.3M | 0.00% | +40,982+63.0% | Added |
| AMF Pensionsforsakring AB | 105,704 | $18.2M | 0.11% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 100,505 | $17.6M | 0.01% | +4,925+5.2% | Added |
| Russell Investments Group, Ltd. | 101,842 | $17.5M | 0.02% | −21,023−17.1% | Reduced |
| Cetera Investment Advisers | 100,920 | $17.4M | 0.02% | −1,104−1.1% | Reduced |
| National Bank of Canada | 100,740 | $17.4M | 0.02% | +15,630+18.4% | Added |
| Mariner, LLC | 98,314 | $16.9M | 0.02% | +38,785+65.2% | Added |
| Assetmark, Inc | 97,684 | $16.8M | 0.03% | +8,395+9.4% | Added |
| Cramer Rosenthal McGlynn LLC | 97,107 | $16.7M | 0.85% | +7,228+8.0% | Added |
| Gabelli Funds LLC | 92,950 | $16.0M | 0.10% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 90,817 | $15.6M | 0.03% | −1,254−1.4% | Reduced |
| Robeco Institutional Asset Management B.V. | 88,279 | $15.2M | 0.02% | +47,433+116.1% | Added |
| Campbell & CO Investment Adviser LLC | 84,361 | $14.5M | 0.76% | +34,896+70.5% | Added |
| Edgestream Partners, L.P. | 84,088 | $14.5M | 0.43% | +43,137+105.3% | Added |
| State of Tennessee, Treasury Department | 83,782 | $14.4M | 0.04% | +23,573+39.2% | Added |
| Man Group plc | 83,400 | $14.4M | 0.03% | −78,105−48.4% | Reduced |
| Mather Group, LLC. | 83,292 | $14.3M | 0.13% | +968+1.2% | Added |
| Paradiem, LLC | 82,418 | $14.2M | 3.06% | −4,701−5.4% | Reduced |
| Caisse de Depot Et Placement du Quebec | 81,083 | $14.0M | 0.02% | −23,445−22.4% | Reduced |
| CI Private Wealth, LLC | 80,046 | $13.8M | 0.02% | −14,271−15.1% | Reduced |
| Engineers Gate Manager LP | 78,123 | $13.5M | 0.17% | +78,123 | New |
| Treasurer of the State of North Carolina | 77,705 | $13.4M | 0.03% | +9,189+13.4% | Added |
| Prudential Financial Inc | 76,335 | $13.2M | 0.01% | −760−1.0% | Reduced |
| Federated Hermes, Inc. | 75,700 | $13.0M | 0.02% | +21,148+38.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 73,494 | $12.7M | 0.03% | +1,233+1.7% | Added |
| Merewether Investment Management, LP | 73,124 | $12.6M | 0.24% | +1,615+2.3% | Added |
| ASR Vermogensbeheer N.V. | 72,203 | $12.4M | 0.13% | +45,900+174.5% | Added |
| Capital Group Private Client Services, Inc. | 71,187 | $12.3M | 0.17% | −9,560−11.8% | Reduced |
| Kepler Cheuvreux (Suisse) SA | 71,111 | $12.2M | 0.70% | +28,861+68.3% | Added |
| Van Eck Associates Corp | 71,024 | $12.2M | 0.01% | +3,831+5.7% | Added |
| Cerity Partners LLC | 70,295 | $12.1M | 0.01% | +10,999+18.5% | Added |
| Susquehanna International Group, LLP | 70,231 | $12.1M | 0.01% | +46,032+190.2% | Added |
| Natixis | 69,825 | $12.0M | 0.06% | +69,825 | New |
| Capital Fund Management S.A. | 67,457 | $11.6M | 0.08% | +67,457 | New |
| Nykredit A/S | 66,047 | $11.4M | 0.04% | +66,047 | New |
| TD Asset Management Inc | 65,184 | $11.2M | 0.01% | −4,224−6.1% | Reduced |
| Resona Asset Management Co.,Ltd. | 64,693 | $11.2M | 0.05% | −3,788−5.5% | Reduced |
| Cresset Asset Management, LLC | 64,452 | $11.1M | 0.04% | +919+1.4% | Added |
| Mackenzie Financial Corp | 64,351 | $11.1M | 0.01% | +32,800+104.0% | Added |
| Diversify Wealth Management, LLC | 61,380 | $10.9M | 0.18% | +3,024+5.2% | Added |
| Diversify Advisory Services, LLC | 61,380 | $10.9M | 0.18% | +61,380 | New |
| SEB Asset Management AB | 62,396 | $10.7M | 0.04% | −15,551−20.0% | Reduced |
| Aquatic Capital Management LLC | 62,330 | $10.7M | 0.37% | +53,681+620.7% | Added |
| Yousif Capital Management, LLC | 62,042 | $10.7M | 0.12% | −4,601−6.9% | Reduced |
| Mattern Capital Management, LLC | 59,371 | $10.2M | 1.19% | −335−0.6% | Reduced |
| Miller Howard Investments Inc | 55,277 | $9.52M | 0.25% | +3,482+6.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 57,115 | $9.49M | 0.02% | +33,395+140.8% | Added |
| Federation des caisses Desjardins du Quebec | 55,066 | $9.49M | 0.03% | +6,388+13.1% | Added |
| Ensign Peak Advisors, Inc | 54,784 | $9.44M | 0.02% | +10,535+23.8% | Added |
| Ieq Capital, LLC | 54,105 | $9.32M | 0.04% | +37,141+218.9% | Added |