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, Q3 2025
Institutional positions in Atmos Energy Corp as of Sep 30, 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
- 912
- +52 vs. Q2 2025
- Shares held
- 159.6M
- +1.45M (+0.9%) vs. Q2 2025
- Total value
- $27.2B
- +$2.88B (+11.8%) vs. Q2 2025
- New holders
- 122
- 359 more added
- Sold out
- 70
- 261 more reduced
11 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Retirement Systems of Alabama | 34,244 | $5.85M | 0.02% | +160+0.5% | Added |
| Public Sector Pension Investment Board | 34,776 | $5.94M | 0.02% | +1,911+5.8% | Added |
| Texas Yale Capital Corp. | 34,974 | $5.97M | 0.19% | −125−0.4% | Reduced |
| Comerica Bank | 36,367 | $6.21M | 0.02% | −1,562−4.1% | Reduced |
| Summit Global Investments | 36,557 | $6.24M | 0.36% | −2,550−6.5% | Reduced |
| Voya Investment Management LLC | 37,155 | $6.34M | 0.01% | −16,334−30.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 37,241 | $6.36M | 0.01% | +2,921+8.5% | Added |
| Mutual of America Capital Management LLC | 37,559 | $6.41M | 0.07% | −670−1.8% | Reduced |
| MML Investors Services, LLC | 38,293 | $6.54M | 0.02% | +3,280+9.4% | Added |
| Stratos Wealth Partners, LTD. | 38,420 | $6.56M | 0.08% | +289+0.8% | Added |
| Kennedy Capital Management, Inc. | 39,692 | $6.78M | 0.15% | −8,846−18.2% | Reduced |
| Susquehanna International Group, LLP | 39,762 | $6.79M | 0.01% | +3,091+8.4% | Added |
| Jones Financial Companies LLLP | 40,322 | $6.79M | 0.00% | +4,659+13.1% | Added |
| MetLife Investment Management | 39,788 | $6.79M | 0.03% | +39,788 | New |
| Swiss Life Asset Management Ltd | 39,904 | $6.81M | 0.04% | +22,784+133.1% | Added |
| State of New Jersey Common Pension Fund D | 39,998 | $6.83M | 0.03% | +1,960+5.2% | Added |
| Umb Bank N A | 40,087 | $6.84M | 0.10% | −159−0.4% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 40,435 | $6.90M | 0.11% | +40,435 | New |
| Czech National Bank | 40,769 | $6.96M | 0.05% | +1,944+5.0% | Added |
| Illinois Municipal Retirement Fund | 40,800 | $6.97M | 0.09% | −2,523−5.8% | Reduced |
| National Bank of Canada | 40,897 | $6.98M | 0.01% | −31,159−43.2% | Reduced |
| Swedbank AB | 41,351 | $7.06M | 0.01% | +565+1.4% | Added |
| DnB Asset Management AS | 41,609 | $7.10M | 0.03% | +1,413+3.5% | Added |
| BCM Advisors, LLC | 41,319 | $7.21M | 1.45% | 00.0% | Unchanged |
| Verition Fund Management LLC | 42,247 | $7.21M | 0.04% | +38,485+1,023.0% | Added |
| Diversify Wealth Management, LLC | 41,921 | $7.24M | 0.42% | +1,357+3.3% | Added |
| Nisa Investment Advisors, LLC | 43,520 | $7.43M | 0.03% | +208+0.5% | Added |
| Franklin Resources Inc | 44,720 | $7.62M | 0.00% | +5,553+14.2% | Added |
| IFM Investors Pty Ltd | 45,610 | $7.68M | 0.07% | +120.0% | Added |
| Natixis | 45,931 | $7.84M | 0.04% | +45,931 | New |
| M&T Bank Corp | 46,549 | $7.95M | 0.03% | −20,657−30.7% | Reduced |
| Mariner, LLC | 46,570 | $7.95M | 0.01% | +2,054+4.6% | Added |
| Arizona State Retirement System | 46,776 | $7.99M | 0.04% | +383+0.8% | Added |
| DekaBank Deutsche Girozentrale | 47,563 | $8.06M | 0.01% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 47,564 | $8.12M | 0.01% | −18,741−28.3% | Reduced |
| Robeco Institutional Asset Management B.V. | 48,869 | $8.34M | 0.01% | −5,180−9.6% | Reduced |
| Fisher Funds Management LTD | 49,500 | $8.45M | 0.22% | 00.0% | Unchanged |
| State of Michigan Retirement System | 51,010 | $8.71M | 0.04% | +200+0.4% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 52,313 | $8.93M | 0.05% | +5,556+11.9% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 52,388 | $8.95M | 0.22% | +4,909+10.3% | Added |
| Miller Howard Investments Inc | 54,633 | $9.33M | 0.28% | +1,128+2.1% | Added |
| Daiwa Securities Group Inc. | 55,208 | $9.43M | 0.03% | +1,340+2.5% | Added |
| CI Private Wealth, LLC | 55,379 | $9.46M | 0.01% | +7,041+14.6% | Added |
| Creative Planning | 57,543 | $9.83M | 0.01% | +17,723+44.5% | Added |
| Arvest Bank Trust Division | 57,764 | $9.86M | 0.55% | +232+0.4% | Added |
| Worldquant Millennium Advisors LLC | 58,588 | $10.0M | 0.04% | 00.0% | Unchanged |
| Van Eck Associates Corp | 59,247 | $10.1M | 0.01% | +3,646+6.6% | Added |
| Mn Services Vermogensbeheer B.V. | 59,400 | $10.1M | 0.07% | 00.0% | Unchanged |
| Mattern Capital Management, LLC | 60,066 | $10.3M | 1.21% | −1,524−2.5% | Reduced |
| Millennium Management LLC | 60,426 | $10.3M | 0.01% | −31,118−34.0% | Reduced |
| State of Tennessee, Treasury Department | 60,591 | $10.3M | 0.03% | −10,334−14.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 60,661 | $10.4M | 0.03% | −51,820−46.1% | Reduced |
| Abn Amro Investment Solutions | 60,979 | $10.4M | 0.21% | −1,001−1.6% | Reduced |
| Cresset Asset Management, LLC | 61,269 | $10.5M | 0.05% | +1,142+1.9% | Added |
| Sienna Gestion | 68,217 | $10.6M | 0.74% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 62,366 | $10.6M | 0.08% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 63,009 | $10.8M | 0.01% | −1,359−2.1% | Reduced |
| Cerity Partners LLC | 63,161 | $10.8M | 0.02% | −1,394−2.2% | Reduced |
| AXA Investment Managers S.A. | 64,683 | $11.0M | 0.03% | +64,683 | New |
| Resona Asset Management Co.,Ltd. | 67,943 | $11.6M | 0.05% | −1,373−2.0% | Reduced |
| APG Asset Management N.V. | 81,278 | $11.8M | 0.03% | −79,061−49.3% | Reduced |
| Eastern Bank | 70,055 | $12.0M | 0.21% | +14,805+26.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 70,703 | $12.1M | 0.03% | −2,783−3.8% | Reduced |
| Treasurer of the State of North Carolina | 71,150 | $12.1M | 0.04% | −2,769−3.7% | Reduced |
| Yousif Capital Management, LLC | 72,329 | $12.4M | 0.13% | −2,433−3.3% | Reduced |
| Merewether Investment Management, LP | 72,936 | $12.5M | 0.30% | −275,600−79.1% | Reduced |
| Renaissance Technologies LLC | 73,400 | $12.5M | 0.02% | +52,900+258.0% | Added |
| Canada Pension Plan Investment Board | 79,610 | $13.6M | 0.01% | −98,634−55.3% | Reduced |
| Forsta Ap-Fonden | 79,700 | $13.6M | 0.08% | +16,400+25.9% | Added |
| Quantinno Capital Management LP | 80,099 | $13.7M | 0.04% | +22,557+39.2% | Added |
| Susquehanna Fundamental Investments, LLC | 80,229 | $13.7M | 0.54% | −3,200−3.8% | Reduced |
| Storebrand Asset Management AS | 80,924 | $13.8M | 0.04% | +5,828+7.8% | Added |
| State of Wisconsin Investment Board | 84,259 | $14.4M | 0.03% | −2,326−2.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 85,259 | $14.6M | 0.04% | +14,595+20.7% | Added |
| Paradiem, LLC | 86,407 | $14.8M | 3.44% | +86,407 | New |
| Mather Group, LLC. | 88,980 | $15.2M | 0.15% | −1,543−1.7% | Reduced |
| Prudential Financial Inc | 89,118 | $15.2M | 0.02% | −3,352−3.6% | Reduced |
| Clearbridge Investments, LLC | 89,391 | $15.3M | 0.01% | +85,641+2,283.8% | Added |
| Cetera Investment Advisers | 93,670 | $16.0M | 0.02% | +59,573+174.7% | Added |
| Gabelli Funds LLC | 94,550 | $16.1M | 0.11% | −750−0.8% | Reduced |
| FMR LLC | 96,169 | $16.4M | 0.00% | +21,035+28.0% | Added |
| Public Employees Retirement System of Ohio | 99,079 | $16.9M | 0.05% | −156−0.2% | Reduced |
| Man Group plc | 100,586 | $17.2M | 0.03% | −6,538−6.1% | Reduced |
| Macquarie Group Ltd | 102,031 | $17.4M | 0.02% | +3,176+3.2% | Added |
| AMF Pensionsforsakring AB | 102,632 | $17.5M | 0.11% | 00.0% | Unchanged |
| Capital Group Private Client Services, Inc. | 103,886 | $17.7M | 0.30% | −356,397−77.4% | Reduced |
| Reaves W H & Co Inc | 105,186 | $18.0M | 0.32% | −207,834−66.4% | Reduced |
| Marshall Wace, LLP | 105,346 | $18.0M | 0.02% | −86,940−45.2% | Reduced |
| Kepler Cheuvreux (Suisse) SA | 107,485 | $18.4M | 0.99% | +107,485 | New |
| Assetmark, Inc | 110,317 | $18.8M | 0.04% | +3,115+2.9% | Added |
| Ensign Peak Advisors, Inc | 112,358 | $19.2M | 0.03% | −8,260−6.8% | Reduced |
| Baird Financial Group, Inc. | 115,135 | $19.7M | 0.03% | +1,198+1.1% | Added |
| STRS Ohio | 118,084 | $20.2M | 0.07% | −1,699−1.4% | Reduced |
| Russell Investments Group, Ltd. | 118,244 | $20.2M | 0.02% | +34,667+41.5% | Added |
| Jane Street Group, LLC | 118,634 | $20.3M | 0.02% | +85,677+260.0% | Added |
| Toronto Dominion Bank | 119,146 | $20.3M | 0.04% | +5,799+5.1% | Added |
| New York State Teachers Retirement System | 119,393 | $20.4M | 0.04% | +300.0% | Added |
| Aviva PLC | 126,134 | $21.5M | 0.04% | +7,464+6.3% | Added |
| Asset Management One Co.,Ltd. | 127,481 | $21.8M | 0.06% | −11,121−8.0% | Reduced |
| Magellan Asset Management Ltd | 130,563 | $22.3M | 0.26% | +14,304+12.3% | Added |