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 |
|---|---|---|---|---|---|
| Natixis Advisors, L.P. | 130,832 | $22.3M | 0.03% | −1,761−1.3% | Reduced |
| State Board of Administration of Florida Retirement System | 137,046 | $23.4M | 0.04% | −2,241−1.6% | Reduced |
| CIBC Asset Management Inc | 137,399 | $23.4M | 0.07% | +1,955+1.4% | Added |
| Lazard Asset Management LLC | 142,001 | $24.2M | 0.03% | −73,792−34.2% | Reduced |
| Ameriprise Financial Inc | 145,473 | $24.8M | 0.01% | −1,636−1.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 146,104 | $24.9M | 0.04% | −139,400−48.8% | Reduced |
| Hennessy Advisors Inc | 148,086 | $25.3M | 0.87% | −16,200−9.9% | Reduced |
| Citadel Advisors LLC | 150,623 | $25.7M | 0.02% | +77,548+106.1% | Added |
| Cramer Rosenthal McGlynn LLC | 151,365 | $25.8M | 1.66% | −3,223−2.1% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 152,074 | $26.0M | 0.10% | +63,433+71.6% | Added |
| LPL Financial LLC | 153,068 | $26.1M | 0.01% | +10,617+7.5% | Added |
| Caisse de Depot Et Placement du Quebec | 155,684 | $26.6M | 0.05% | +100,728+183.3% | Added |
| Janney Montgomery Scott LLC | 156,024 | $26.6M | 0.06% | −4,679−2.9% | Reduced |
| Maryland State Retirement & Pension System | 156,492 | $26.7M | 0.56% | +5,660+3.8% | Added |
| KLP Kapitalforvaltning AS | 159,959 | $27.3M | 0.11% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 161,765 | $27.4M | 0.04% | +1,406+0.9% | Added |
| TD Asset Management Inc | 167,153 | $28.5M | 0.02% | −83,362−33.3% | Reduced |
| Victory Capital Management Inc | 171,738 | $29.3M | 0.02% | −1,911−1.1% | Reduced |
| Korea Investment CORP | 177,179 | $30.3M | 0.06% | −4,825−2.7% | Reduced |
| Exchange Traded Concepts, LLC | 178,224 | $30.4M | 0.29% | −12,149−6.4% | Reduced |
| Alliancebernstein L.P. | 183,641 | $31.4M | 0.01% | +12,024+7.0% | Added |
| Bank of Montreal | 196,940 | $33.6M | 0.01% | +1,147+0.6% | Added |
| Standard Life Aberdeen plc | 201,638 | $34.2M | 0.05% | +15,159+8.1% | Added |
| Public Employees Retirement Association of Colorado | 204,494 | $34.9M | 0.13% | 00.0% | Unchanged |
| National Pension Service | 208,691 | $35.6M | 0.03% | +1,746+0.8% | Added |
| M&G Plc | 210,095 | $35.9M | 0.19% | +19,331+10.1% | Added |
| Assenagon Asset Management S.A. | 211,221 | $36.1M | 0.05% | +176,916+515.7% | Added |
| Dearborn Partners LLC | 214,056 | $36.6M | 1.71% | −1,038−0.5% | Reduced |
| Great West Life Assurance Co | 221,937 | $37.6M | 0.05% | +13,774+6.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 222,762 | $38.0M | 0.06% | +7,560+3.5% | Added |
| Schroder Investment Management Group | 238,631 | $40.5M | 0.03% | +19,738+9.0% | Added |
| Stifel Financial Corp | 244,442 | $41.7M | 0.04% | −14,724−5.7% | Reduced |
| Royal London Asset Management Ltd | 249,312 | $42.6M | 0.09% | +6,701+2.8% | Added |
| Capital International Inc | 259,583 | $44.3M | 0.35% | −8,158−3.0% | Reduced |
| BNP Paribas Arbitrage, SA | 267,374 | $45.7M | 0.04% | −84,354−24.0% | Reduced |
| Partners Group Holding AG | 271,689 | $46.4M | 2.58% | −51,456−15.9% | Reduced |
| Manufacturers Life Insurance Company, The | 278,447 | $47.5M | 0.04% | +176,005+171.8% | Added |
| Mizuho Markets Americas LLC | 285,789 | $48.8M | 1.03% | +285,789 | New |
| Nomura Asset Management Co Ltd | 303,180 | $51.8M | 0.14% | +15,211+5.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 309,463 | $52.8M | 0.26% | −2,054−0.7% | Reduced |
| KBC Group NV | 319,309 | $54.5M | 0.13% | +6,441+2.1% | Added |
| Clark Capital Management Group, Inc. | 324,042 | $55.3M | 0.35% | +6,182+1.9% | Added |
| Citigroup Inc | 325,423 | $55.6M | 0.04% | −992−0.3% | Reduced |
| Bahl & Gaynor Inc | 328,043 | $56.0M | 0.28% | +4,786+1.5% | Added |
| Aventail Capital Group, LP | 338,098 | $57.7M | 2.74% | +65,985+24.2% | Added |
| Danske Bank A/S | 338,292 | $57.8M | 0.14% | +23,000+7.3% | Added |
| CBOE Vest Financial, LLC | 347,677 | $59.4M | 0.78% | +12,969+3.9% | Added |
| Barclays PLC | 350,004 | $59.8M | 0.02% | −93,718−21.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 352,122 | $60.1M | 0.04% | +19,571+5.9% | Added |
| T. Rowe Price Investment Management, Inc. | 352,346 | $60.2M | 0.04% | +654+0.2% | Added |
| Rhumbline Advisers | 352,442 | $60.2M | 0.05% | +4,100+1.2% | Added |
| New York State Common Retirement Fund | 355,920 | $60.8M | 0.08% | −700−0.2% | Reduced |
| Benjamin Edwards Inc | 357,969 | $61.1M | 0.69% | +6,018+1.7% | Added |
| Jennison Associates LLC | 360,565 | $61.6M | 0.04% | −77,316−17.7% | Reduced |
| Boston Trust Walden Corp | 360,997 | $61.6M | 0.45% | +42,590+13.4% | Added |
| Principal Financial Group Inc | 371,393 | $63.4M | 0.03% | −5,141−1.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 418,989 | $71.5M | 0.04% | −5,945−1.4% | Reduced |
| Earnest Partners LLC | 439,110 | $75.0M | 0.33% | −10,319−2.3% | Reduced |
| Huntington National Bank | 447,619 | $76.4M | 0.47% | +19,939+4.7% | Added |
| Swiss National Bank | 457,900 | $78.2M | 0.05% | −22,500−4.7% | Reduced |
| California State Teachers Retirement System | 476,592 | $81.4M | 0.08% | +286,754+151.1% | Added |
| California Public Employees Retirement System | 478,303 | $81.7M | 0.05% | −101,498−17.5% | Reduced |
| JPMorgan Chase & Co | 479,308 | $81.8M | 0.01% | +56,604+13.4% | Added |
| Energy Income Partners, LLC | 485,387 | $82.9M | 1.60% | +409+0.1% | Added |
| AQR Capital Management LLC | 488,194 | $83.3M | 0.05% | +41,440+9.3% | Added |
| Squarepoint Ops LLC | 490,485 | $83.8M | 0.18% | −230,471−32.0% | Reduced |
| Nuveen, LLC | 494,111 | $84.4M | 0.02% | +59,474+13.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 503,464 | $86.0M | 0.24% | +39,278+8.5% | Added |
| Nilsine Partners, LLC | 523,761 | $89.4M | 8.04% | −2,379−0.5% | Reduced |
| HSBC Holdings PLC | 530,180 | $90.5M | 0.05% | −22,415−4.1% | Reduced |
| Amundi | 568,937 | $98.6M | 0.03% | +103,025+22.1% | Added |
| First Trust Advisors LP | 577,816 | $98.7M | 0.07% | −10,680−1.8% | Reduced |
| Neuberger Berman Group LLC | 604,281 | $103.2M | 0.08% | −5,073−0.8% | Reduced |
| Envestnet Asset Management Inc | 635,740 | $108.6M | 0.03% | −11,433−1.8% | Reduced |
| SEI Investments Co | 637,821 | $108.9M | 0.12% | +44,350+7.5% | Added |
| Cohen & Steers, Inc. | 641,996 | $109.6M | 0.20% | +641,996 | New |
| Duff & Phelps Investment Management Co | 697,504 | $119.1M | 1.35% | −47,674−6.4% | Reduced |
| GQG Partners LLC | 719,556 | $122.9M | 0.19% | −106,463−12.9% | Reduced |
| Royal Bank of Canada | 727,903 | $124.3M | 0.02% | +137,768+23.3% | Added |
| Dimensional Fund Advisors LP | 732,859 | $125.1M | 0.03% | +15,847+2.2% | Added |
| Cbre Clarion Securities LLC | 734,141 | $125.4M | 1.79% | +59,908+8.9% | Added |
| Silvercrest Asset Management Group LLC | 760,656 | $129.9M | 0.86% | −30,053−3.8% | Reduced |
| The PNC Financial Services Group, Inc. | 769,465 | $131.4M | 0.08% | +58,330+8.2% | Added |
| UBS Group AG | 869,476 | $148.5M | 0.03% | +163,728+23.2% | Added |
| Bank of New York Mellon Corp | 899,374 | $153.6M | 0.03% | +12,607+1.4% | Added |
| Cooke & Bieler LP | 937,613 | $160.1M | 1.65% | −73,796−7.3% | Reduced |
| Charles Schwab Investment Management Inc | 969,506 | $165.5M | 0.03% | +9,038+0.9% | Added |
| UBS Asset Management Americas Inc | 1,008,487 | $172.2M | 0.04% | −512,596−33.7% | Reduced |
| SFMG, LLC | 1,042,142 | $177.9M | 12.34% | −983−0.1% | Reduced |
| Pictet Asset Management Holding SA | 1,089,198 | $186.0M | 0.18% | −40,680−3.6% | Reduced |
| ProShare Advisors LLC | 1,112,097 | $189.9M | 0.40% | +70,355+6.8% | Added |
| Raymond James Financial Inc | 1,175,964 | $200.8M | 0.06% | +2,492+0.2% | Added |
| American Century Companies Inc | 1,238,547 | $211.5M | 0.11% | −108,624−8.1% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,240,783 | $211.9M | 0.19% | +65,143+5.5% | Added |
| Wells Fargo & Company | 1,275,449 | $217.8M | 0.04% | +68,328+5.7% | Added |
| Goldman Sachs Group Inc | 1,310,845 | $223.8M | 0.03% | +362,517+38.2% | Added |
| Perpetual Ltd | 1,483,365 | $253.3M | 3.14% | +71,857+5.1% | Added |
| Northern Trust Corp | 1,519,505 | $259.5M | 0.03% | −28,678−1.9% | Reduced |
| Legal & General Group Plc | 1,578,888 | $269.6M | 0.06% | −15,624−1.0% | Reduced |
| Massachusetts Financial Services Co | 1,949,497 | $332.9M | 0.10% | +50,214+2.6% | Added |