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 |
|---|---|---|---|---|---|
| Caisse de Depot Et Placement du Quebec | 155,684 | $26.6M | 0.05% | +100,728+183.3% | Added |
| LPL Financial LLC | 153,068 | $26.1M | 0.01% | +10,617+7.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 152,074 | $26.0M | 0.10% | +63,433+71.6% | Added |
| Cramer Rosenthal McGlynn LLC | 151,365 | $25.8M | 1.66% | −3,223−2.1% | Reduced |
| Citadel Advisors LLC | 150,623 | $25.7M | 0.02% | +77,548+106.1% | Added |
| Hennessy Advisors Inc | 148,086 | $25.3M | 0.87% | −16,200−9.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 146,104 | $24.9M | 0.04% | −139,400−48.8% | Reduced |
| Ameriprise Financial Inc | 145,473 | $24.8M | 0.01% | −1,636−1.1% | Reduced |
| Lazard Asset Management LLC | 142,001 | $24.2M | 0.03% | −73,792−34.2% | Reduced |
| CIBC Asset Management Inc | 137,399 | $23.4M | 0.07% | +1,955+1.4% | Added |
| State Board of Administration of Florida Retirement System | 137,046 | $23.4M | 0.04% | −2,241−1.6% | Reduced |
| Natixis Advisors, L.P. | 130,832 | $22.3M | 0.03% | −1,761−1.3% | Reduced |
| Magellan Asset Management Ltd | 130,563 | $22.3M | 0.26% | +14,304+12.3% | Added |
| Asset Management One Co.,Ltd. | 127,481 | $21.8M | 0.06% | −11,121−8.0% | Reduced |
| Aviva PLC | 126,134 | $21.5M | 0.04% | +7,464+6.3% | Added |
| New York State Teachers Retirement System | 119,393 | $20.4M | 0.04% | +300.0% | Added |
| Toronto Dominion Bank | 119,146 | $20.3M | 0.04% | +5,799+5.1% | Added |
| Jane Street Group, LLC | 118,634 | $20.3M | 0.02% | +85,677+260.0% | Added |
| Russell Investments Group, Ltd. | 118,244 | $20.2M | 0.02% | +34,667+41.5% | Added |
| STRS Ohio | 118,084 | $20.2M | 0.07% | −1,699−1.4% | Reduced |
| Baird Financial Group, Inc. | 115,135 | $19.7M | 0.03% | +1,198+1.1% | Added |
| Ensign Peak Advisors, Inc | 112,358 | $19.2M | 0.03% | −8,260−6.8% | Reduced |
| Assetmark, Inc | 110,317 | $18.8M | 0.04% | +3,115+2.9% | Added |
| Kepler Cheuvreux (Suisse) SA | 107,485 | $18.4M | 0.99% | +107,485 | New |
| Marshall Wace, LLP | 105,346 | $18.0M | 0.02% | −86,940−45.2% | Reduced |
| Reaves W H & Co Inc | 105,186 | $18.0M | 0.32% | −207,834−66.4% | Reduced |
| Capital Group Private Client Services, Inc. | 103,886 | $17.7M | 0.30% | −356,397−77.4% | Reduced |
| AMF Pensionsforsakring AB | 102,632 | $17.5M | 0.11% | 00.0% | Unchanged |
| Macquarie Group Ltd | 102,031 | $17.4M | 0.02% | +3,176+3.2% | Added |
| Man Group plc | 100,586 | $17.2M | 0.03% | −6,538−6.1% | Reduced |
| Public Employees Retirement System of Ohio | 99,079 | $16.9M | 0.05% | −156−0.2% | Reduced |
| FMR LLC | 96,169 | $16.4M | 0.00% | +21,035+28.0% | Added |
| Gabelli Funds LLC | 94,550 | $16.1M | 0.11% | −750−0.8% | Reduced |
| Cetera Investment Advisers | 93,670 | $16.0M | 0.02% | +59,573+174.7% | Added |
| Clearbridge Investments, LLC | 89,391 | $15.3M | 0.01% | +85,641+2,283.8% | Added |
| Prudential Financial Inc | 89,118 | $15.2M | 0.02% | −3,352−3.6% | Reduced |
| Mather Group, LLC. | 88,980 | $15.2M | 0.15% | −1,543−1.7% | Reduced |
| Paradiem, LLC | 86,407 | $14.8M | 3.44% | +86,407 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 85,259 | $14.6M | 0.04% | +14,595+20.7% | Added |
| State of Wisconsin Investment Board | 84,259 | $14.4M | 0.03% | −2,326−2.7% | Reduced |
| Storebrand Asset Management AS | 80,924 | $13.8M | 0.04% | +5,828+7.8% | Added |
| Susquehanna Fundamental Investments, LLC | 80,229 | $13.7M | 0.54% | −3,200−3.8% | Reduced |
| Quantinno Capital Management LP | 80,099 | $13.7M | 0.04% | +22,557+39.2% | Added |
| Forsta Ap-Fonden | 79,700 | $13.6M | 0.08% | +16,400+25.9% | Added |
| Canada Pension Plan Investment Board | 79,610 | $13.6M | 0.01% | −98,634−55.3% | Reduced |
| Renaissance Technologies LLC | 73,400 | $12.5M | 0.02% | +52,900+258.0% | Added |
| Merewether Investment Management, LP | 72,936 | $12.5M | 0.30% | −275,600−79.1% | Reduced |
| Yousif Capital Management, LLC | 72,329 | $12.4M | 0.13% | −2,433−3.3% | Reduced |
| Treasurer of the State of North Carolina | 71,150 | $12.1M | 0.04% | −2,769−3.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 70,703 | $12.1M | 0.03% | −2,783−3.8% | Reduced |
| Eastern Bank | 70,055 | $12.0M | 0.21% | +14,805+26.8% | Added |
| APG Asset Management N.V. | 81,278 | $11.8M | 0.03% | −79,061−49.3% | Reduced |
| Resona Asset Management Co.,Ltd. | 67,943 | $11.6M | 0.05% | −1,373−2.0% | Reduced |
| AXA Investment Managers S.A. | 64,683 | $11.0M | 0.03% | +64,683 | New |
| Cerity Partners LLC | 63,161 | $10.8M | 0.02% | −1,394−2.2% | Reduced |
| HighTower Advisors, LLC | 63,009 | $10.8M | 0.01% | −1,359−2.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 62,366 | $10.6M | 0.08% | 00.0% | Unchanged |
| Sienna Gestion | 68,217 | $10.6M | 0.74% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 61,269 | $10.5M | 0.05% | +1,142+1.9% | Added |
| Abn Amro Investment Solutions | 60,979 | $10.4M | 0.21% | −1,001−1.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 60,661 | $10.4M | 0.03% | −51,820−46.1% | Reduced |
| State of Tennessee, Treasury Department | 60,591 | $10.3M | 0.03% | −10,334−14.6% | Reduced |
| Millennium Management LLC | 60,426 | $10.3M | 0.01% | −31,118−34.0% | Reduced |
| Mattern Capital Management, LLC | 60,066 | $10.3M | 1.21% | −1,524−2.5% | Reduced |
| Mn Services Vermogensbeheer B.V. | 59,400 | $10.1M | 0.07% | 00.0% | Unchanged |
| Van Eck Associates Corp | 59,247 | $10.1M | 0.01% | +3,646+6.6% | Added |
| Worldquant Millennium Advisors LLC | 58,588 | $10.0M | 0.04% | 00.0% | Unchanged |
| Arvest Bank Trust Division | 57,764 | $9.86M | 0.55% | +232+0.4% | Added |
| Creative Planning | 57,543 | $9.83M | 0.01% | +17,723+44.5% | Added |
| CI Private Wealth, LLC | 55,379 | $9.46M | 0.01% | +7,041+14.6% | Added |
| Daiwa Securities Group Inc. | 55,208 | $9.43M | 0.03% | +1,340+2.5% | Added |
| Miller Howard Investments Inc | 54,633 | $9.33M | 0.28% | +1,128+2.1% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 52,388 | $8.95M | 0.22% | +4,909+10.3% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 52,313 | $8.93M | 0.05% | +5,556+11.9% | Added |
| State of Michigan Retirement System | 51,010 | $8.71M | 0.04% | +200+0.4% | Added |
| Fisher Funds Management LTD | 49,500 | $8.45M | 0.22% | 00.0% | Unchanged |
| Robeco Institutional Asset Management B.V. | 48,869 | $8.34M | 0.01% | −5,180−9.6% | Reduced |
| Two Sigma Investments, LP | 47,564 | $8.12M | 0.01% | −18,741−28.3% | Reduced |
| DekaBank Deutsche Girozentrale | 47,563 | $8.06M | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 46,776 | $7.99M | 0.04% | +383+0.8% | Added |
| Mariner, LLC | 46,570 | $7.95M | 0.01% | +2,054+4.6% | Added |
| M&T Bank Corp | 46,549 | $7.95M | 0.03% | −20,657−30.7% | Reduced |
| Natixis | 45,931 | $7.84M | 0.04% | +45,931 | New |
| IFM Investors Pty Ltd | 45,610 | $7.68M | 0.07% | +120.0% | Added |
| Franklin Resources Inc | 44,720 | $7.62M | 0.00% | +5,553+14.2% | Added |
| Nisa Investment Advisors, LLC | 43,520 | $7.43M | 0.03% | +208+0.5% | Added |
| Diversify Wealth Management, LLC | 41,921 | $7.24M | 0.42% | +1,357+3.3% | Added |
| Verition Fund Management LLC | 42,247 | $7.21M | 0.04% | +38,485+1,023.0% | Added |
| BCM Advisors, LLC | 41,319 | $7.21M | 1.45% | 00.0% | Unchanged |
| DnB Asset Management AS | 41,609 | $7.10M | 0.03% | +1,413+3.5% | Added |
| Swedbank AB | 41,351 | $7.06M | 0.01% | +565+1.4% | Added |
| National Bank of Canada | 40,897 | $6.98M | 0.01% | −31,159−43.2% | Reduced |
| Illinois Municipal Retirement Fund | 40,800 | $6.97M | 0.09% | −2,523−5.8% | Reduced |
| Czech National Bank | 40,769 | $6.96M | 0.05% | +1,944+5.0% | Added |
| Susquehanna Portfolio Strategies, LLC | 40,435 | $6.90M | 0.11% | +40,435 | New |
| Umb Bank N A | 40,087 | $6.84M | 0.10% | −159−0.4% | Reduced |
| State of New Jersey Common Pension Fund D | 39,998 | $6.83M | 0.03% | +1,960+5.2% | Added |
| Swiss Life Asset Management Ltd | 39,904 | $6.81M | 0.04% | +22,784+133.1% | Added |
| MetLife Investment Management | 39,788 | $6.79M | 0.03% | +39,788 | New |
| Jones Financial Companies LLLP | 40,322 | $6.79M | 0.00% | +4,659+13.1% | Added |