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 |
|---|---|---|---|---|---|
| New York State Teachers Retirement System | 115,773 | $19.9M | 0.04% | −10,811−8.5% | Reduced |
| Sienna Gestion | 117,688 | $20.8M | 1.22% | −9,324−7.3% | Reduced |
| Asset Management One Co.,Ltd. | 122,429 | $21.1M | 0.05% | −19,540−13.8% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 124,057 | $21.4M | 0.10% | +71,671+136.8% | Added |
| Natixis Advisors, L.P. | 124,574 | $21.5M | 0.02% | +2,970+2.4% | Added |
| D. E. Shaw & Co., Inc. | 126,273 | $21.8M | 0.01% | +126,273 | New |
| Baird Financial Group, Inc. | 126,879 | $21.9M | 0.03% | −343−0.3% | Reduced |
| Janney Montgomery Scott LLC | 129,496 | $22.3M | 0.04% | −12,034−8.5% | Reduced |
| Trexquant Investment LP | 132,699 | $22.9M | 0.14% | +117,157+753.8% | Added |
| CIBC Asset Management Inc | 133,437 | $23.0M | 0.05% | −24,769−15.7% | Reduced |
| State Board of Administration of Florida Retirement System | 134,286 | $23.1M | 0.04% | −2,760−2.0% | Reduced |
| Squarepoint Ops LLC | 138,416 | $23.8M | 0.05% | +99,201+253.0% | Added |
| Marshall Wace, LLP | 138,624 | $23.9M | 0.02% | +138,624 | New |
| Gotham Asset Management, LLC | 146,815 | $25.3M | 0.06% | +78,798+115.9% | Added |
| Hennessy Advisors Inc | 148,286 | $25.5M | 0.82% | +5,000+3.5% | Added |
| Storebrand Asset Management AS | 148,301 | $25.5M | 0.06% | +22,724+18.1% | Added |
| Adage Capital Partners GP, L.L.C. | 148,804 | $25.6M | 0.04% | +148,804 | New |
| KLP Kapitalforvaltning AS | 149,759 | $25.8M | 0.08% | −3,800−2.5% | Reduced |
| Creative Planning | 150,531 | $25.9M | 0.02% | +19,044+14.5% | Added |
| Korea Investment CORP | 157,716 | $27.2M | 0.05% | +2,756+1.8% | Added |
| Arbejdsmarkedets Tillaegspension | 163,100 | $28.1M | 0.61% | +23,558+16.9% | Added |
| Victory Capital Management Inc | 163,913 | $28.2M | 0.02% | +181+0.1% | Added |
| Assenagon Asset Management S.A. | 164,856 | $28.4M | 0.04% | +126,415+328.9% | Added |
| Vanguard Investments Australia, Ltd. | 164,929 | $28.4M | 0.07% | +8,075+5.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 187,073 | $28.6M | 0.04% | +2,555+1.4% | Added |
| Maryland State Retirement & Pension System | 167,136 | $28.8M | 0.49% | +10,098+6.4% | Added |
| Tredje AP-fonden | 177,484 | $30.6M | 0.14% | +82,166+86.2% | Added |
| STRS Ohio | 179,241 | $30.9M | 0.12% | +54,013+43.1% | Added |
| Public Employees Retirement Association of Colorado | 180,391 | $31.1M | 0.11% | −103−0.1% | Reduced |
| Eurizon Capital SGR S.p.A. | 181,977 | $31.4M | 0.08% | −7,373−3.9% | Reduced |
| Two Sigma Investments, LP | 183,096 | $31.5M | 0.02% | +93,111+103.5% | Added |
| Alliancebernstein L.P. | 171,118 | $31.6M | 0.01% | +1,289+0.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 184,188 | $31.7M | 0.03% | +53,848+41.3% | Added |
| Magellan Asset Management Ltd | 186,934 | $32.2M | 0.72% | +5,567+3.1% | Added |
| Schroder Investment Management Group | 184,328 | $32.2M | 0.02% | −74,903−28.9% | Reduced |
| Dearborn Partners LLC | 188,329 | $32.4M | 1.84% | +600.0% | Added |
| Allspring Global Investments Holdings, LLC | 189,776 | $32.8M | 0.05% | +520+0.3% | Added |
| Worldquant Millennium Advisors LLC | 191,570 | $33.0M | 0.11% | +123,482+181.4% | Added |
| SEI Investments Co | 192,466 | $33.2M | 0.03% | −320,359−62.5% | Reduced |
| Tudor Investment Corp Et Al | 192,530 | $33.2M | 0.14% | +145,541+309.7% | Added |
| Balyasny Asset Management LLC | 192,607 | $33.2M | 0.06% | +190,138+7,701.0% | Added |
| California State Teachers Retirement System | 193,061 | $33.3M | 0.03% | −280,692−59.2% | Reduced |
| Lazard Asset Management LLC | 193,220 | $33.3M | 0.05% | +111,350+136.0% | Added |
| Bank of Montreal | 199,427 | $34.4M | 0.01% | +34,426+20.9% | Added |
| Aventail Capital Group, LP | 202,896 | $35.0M | 2.01% | −44,942−18.1% | Reduced |
| M&G Plc | 206,179 | $35.5M | 0.18% | +4,761+2.4% | Added |
| LPL Financial LLC | 206,138 | $35.5M | 0.01% | +11,861+6.1% | Added |
| California Public Employees Retirement System | 209,558 | $36.1M | 0.02% | −81,285−27.9% | Reduced |
| Exchange Traded Concepts, LLC | 210,342 | $36.2M | 0.18% | +14,885+7.6% | Added |
| Citigroup Inc | 214,158 | $36.9M | 0.02% | −27,549−11.4% | Reduced |
| Great West Life Assurance Co | 216,602 | $37.3M | 0.06% | +28,548+15.2% | Added |
| Partners Group Holding AG | 230,844 | $39.8M | 2.71% | −7,362−3.1% | Reduced |
| Stifel Financial Corp | 235,331 | $40.5M | 0.03% | +2,333+1.0% | Added |
| Bahl & Gaynor Inc | 236,682 | $40.8M | 0.19% | −99,068−29.5% | Reduced |
| Panagora Asset Management Inc | 237,071 | $40.8M | 0.13% | +230,671+3,604.2% | Added |
| KBC Group NV | 241,558 | $41.6M | 0.09% | −74,769−23.6% | Reduced |
| Standard Life Aberdeen plc | 241,629 | $41.6M | 0.06% | +13,412+5.9% | Added |
| National Pension Service | 250,465 | $43.1M | 0.03% | +5,778+2.4% | Added |
| Munich Reinsurance Co Stock Corp in Munich | 251,761 | $43.4M | 0.95% | 00.0% | Unchanged |
| Clearbridge Investments, LLC | 254,286 | $43.8M | 0.04% | +32,417+14.6% | Added |
| Royal London Asset Management Ltd | 254,611 | $43.9M | 0.08% | −424−0.2% | Reduced |
| Barclays PLC | 260,209 | $44.8M | 0.01% | −113,133−30.3% | Reduced |
| CBOE Vest Financial, LLC | 265,448 | $45.7M | 0.48% | −42,114−13.7% | Reduced |
| Quantinno Capital Management LP | 268,788 | $46.3M | 0.06% | +93,945+53.7% | Added |
| Royal Bank of Canada | 270,808 | $46.7M | 0.01% | −233,129−46.3% | Reduced |
| Nomura Asset Management Co Ltd | 272,224 | $46.9M | 0.10% | −17,356−6.0% | Reduced |
| Millennium Management LLC | 272,772 | $47.0M | 0.03% | +11,351+4.3% | Added |
| Boston Trust Walden Corp | 281,447 | $48.5M | 0.37% | −43,480−13.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 288,789 | $49.7M | 0.24% | −13,184−4.4% | Reduced |
| New York State Common Retirement Fund | 291,757 | $50.3M | 0.06% | −3,700−1.3% | Reduced |
| Capital International Inc | 316,825 | $54.6M | 0.38% | −8,788−2.7% | Reduced |
| First Trust Advisors LP | 330,298 | $56.9M | 0.03% | −10,110−3.0% | Reduced |
| Jennison Associates LLC | 337,122 | $58.1M | 0.03% | −8,968−2.6% | Reduced |
| Benjamin Edwards Inc | 341,125 | $58.8M | 0.54% | +1,822+0.5% | Added |
| Vanguard Asset Management, Ltd | 344,472 | $59.3M | 0.04% | +40,757+13.4% | Added |
| Rhumbline Advisers | 351,786 | $60.6M | 0.05% | −2,174−0.6% | Reduced |
| Vanguard Global Advisers, LLC | 359,072 | $61.9M | 0.03% | −1,772−0.5% | Reduced |
| Aviva PLC | 381,486 | $65.7M | 0.10% | −2,216−0.6% | Reduced |
| Manufacturers Life Insurance Company, The | 387,012 | $66.7M | 0.05% | +63,589+19.7% | Added |
| Jane Street Group, LLC | 396,719 | $68.3M | 0.04% | +384,909+3,259.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 401,601 | $69.2M | 0.04% | +6,912+1.8% | Added |
| Energy Income Partners, LLC | 410,650 | $70.7M | 1.11% | +47,339+13.0% | Added |
| Principal Financial Group Inc | 427,047 | $73.6M | 0.04% | −80,357−15.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 428,952 | $73.9M | 0.04% | +31,780+8.0% | Added |
| Earnest Partners LLC | 429,513 | $74.0M | 0.27% | +6,703+1.6% | Added |
| Clark Capital Management Group, Inc. | 435,310 | $75.0M | 0.41% | +2,833+0.7% | Added |
| Renaissance Technologies LLC | 447,900 | $77.2M | 0.11% | +281,100+168.5% | Added |
| Swiss National Bank | 466,600 | $80.4M | 0.04% | −8,100−1.7% | Reduced |
| Huntington National Bank | 476,123 | $82.0M | 0.40% | +8,141+1.7% | Added |
| Nilsine Partners, LLC | 485,268 | $83.6M | 5.79% | −6,063−1.2% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 521,671 | $89.9M | 0.23% | +2,958+0.6% | Added |
| PFA Pension, Forsikringsaktieselskab | 565,963 | $97.5M | 0.25% | −102,077−15.3% | Reduced |
| JPMorgan Chase & Co | 560,812 | $98.1M | 0.01% | −235,415−29.6% | Reduced |
| Ontario Teachers Pension Plan Board | 586,175 | $101.0M | 0.64% | +586,175 | New |
| Envestnet Asset Management Inc | 603,994 | $104.1M | 0.02% | −70,572−10.5% | Reduced |
| BNP Paribas Arbitrage, SA | 608,876 | $104.9M | 0.05% | −225,842−27.1% | Reduced |
| Neuberger Berman Group LLC | 627,569 | $108.2M | 0.07% | +26,479+4.4% | Added |
| Duff & Phelps Investment Management Co | 637,725 | $109.9M | 1.04% | +29,780+4.9% | Added |
| Cohen & Steers, Inc. | 641,326 | $110.5M | 0.17% | −158,920−19.9% | Reduced |
| FMR LLC | 660,432 | $113.8M | 0.00% | +534,938+426.3% | Added |