Atmos EnergyATO
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 1,019 institutions reported holding Atmos Energy Corp. (ATO) in their 13F filings, up 39 from Q4 2025. 125 opened new positions and 85 sold out. The largest holders were BlackRock, Inc. ($3.2B), State Street Corp. ($2.1B) and Vanguard Capital Management LLC ($2.0B). 7 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Cliff Asness (0.1% of AQR Capital Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Atmos Energy Corp.
- Sector
- Utilities
- CUSIP
- 049560105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 125 | $836.8M |
| Exits | 85 | $141.7M |
All 13F filers, Q4 2025 → Q1 2026: 13,805,447 shares bought and 14,558,398 shares sold, net −752,951 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,019 holders
| BlackRock, Inc. | 0.06% | Add +2.5% | 17,451,963 | $3.2B |
| State Street Corp. | 0.07% | Add +5.4% | 11,372,750 | $2.1B |
| Vanguard Capital Management LLC | 0.05% | — | 10,735,547 | $2.0B |
| Wellington Management Group LLP | 0.33% | Reduce -3.6% | 9,651,472 | $1.8B |
| Vanguard Portfolio Management LLC | 0.09% | — | 9,285,633 | $1.7B |
| Capital International Investors | 0.32% | Reduce -38.4% | 7,326,778 | $1.4B |
| Aristotle Capital Management, LLC | 1.88% | Reduce -23.6% | 4,866,481 | $899.0M |
| Geode Capital Management, LLC | 0.05% | Add +2.9% | 4,336,996 | $798.1M |
| Bank of America Corp. | 0.06% | Add +11.0% | 4,199,433 | $775.7M |
| Capital Research Global Investors | 0.12% | New | 4,010,550 | $740.8M |
| Invesco Ltd. | 0.05% | Reduce -0.2% | 3,007,306 | $555.5M |
| Morgan Stanley | 0.03% | Add +8.9% | 3,001,186 | $554.4M |
| T. Rowe Price Associates Inc. | 0.06% | Reduce -58.8% | 2,715,107 | $501.5M |
| Deutsche Bank AG | 0.16% | Reduce -11.8% | 2,547,037 | $470.5M |
| Goldman Sachs Group Inc. | 0.05% | Add +55.2% | 1,935,162 | $357.5M |
| Massachusetts Financial Services Co. | 0.11% | Reduce -10.3% | 1,772,601 | $331.4M |
| Legal & General Group Plc | 0.07% | Add +2.3% | 1,616,380 | $298.6M |
| Northern Trust Corp. | 0.04% | Add +2.5% | 1,549,694 | $286.3M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.25% | Add +17.6% | 1,490,653 | $275.4M |
| Wells Fargo & Company | 0.05% | Reduce -1.5% | 1,329,328 | $245.6M |
| Amundi | 0.07% | Add +49.6% | 1,302,886 | $240.7M |
| Perpetual Ltd | 3.51% | Reduce -11.3% | 1,240,469 | $229.1M |
| Raymond James Financial Inc. | 0.07% | Add +8.6% | 1,206,752 | $222.9M |
| Pictet Asset Management Holding SA | 0.23% | Add +10.9% | 1,175,415 | $217.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +3.3% | 1,063,678 | $196.5M |
| Sfmg, LLC | 13.40% | Reduce -0.2% | 1,058,545 | $195.5M |
| Charles Schwab Investment Management Inc. | 0.03% | Add +5.7% | 1,036,621 | $191.5M |
| ProShare Advisors LLC | 0.28% | Add +7.9% | 1,023,862 | $189.1M |
| American Century Companies Inc. | 0.10% | Reduce -3.6% | 1,002,458 | $185.2M |
| Nuveen, LLC | 0.05% | Add +95.8% | 947,508 | $175.0M |
| Vanguard Fiduciary Trust Co. | 0.04% | — | 930,642 | $171.9M |
| Bank of New York Mellon Corp | 0.03% | Reduce -0.4% | 892,696 | $164.9M |
| GQG Partners LLC | 0.26% | Add +26.1% | 887,204 | $163.9M |
| PNC Financial Services Group, Inc. | 0.09% | Add +1.3% | 886,291 | $163.7M |
| BNP Paribas Financial Markets | 0.10% | Add +162.3% | 834,718 | $154.2M |
| AQR Capital Management | 0.07% | Add +62.4% | 822,776 | $150.9M |
| Cohen & Steers, Inc. | 0.26% | Add +19.2% | 800,246 | $147.8M |
| JPMorgan Chase & Co. | 0.01% | Add +120.1% | 796,227 | $147.3M |
| HSBC Holdings PLC | 0.09% | Reduce -4.5% | 780,184 | $144.1M |
| CBRE Investment Management Listed Real Assets LLC | 2.08% | Add +43.2% | 757,953 | $140.0M |
| Dimensional Fund Advisors LP | 0.03% | Add +2.7% | 752,986 | $139.1M |
| Citadel Advisors | 0.10% | Add +41.3% | 751,604 | $138.8M |
| UBS Group AG | 0.02% | Add +22.3% | 718,687 | $132.8M |
| Silvercrest Asset Management Group LLC | 0.94% | Reduce -2.5% | 707,225 | $130.6M |
| Envestnet Asset Management Inc. | 0.03% | Add +22.2% | 674,566 | $124.6M |
| PFA Pension, Forsikringsaktieselskab | 0.37% | Add +4.5% | 668,040 | $123.4M |
| Duff & Phelps Investment Management Co. | 1.17% | Reduce -6.8% | 607,945 | $112.3M |
| Neuberger Berman Group LLC | 0.08% | Add +0.7% | 601,090 | $111.0M |
| Chevy Chase Trust Holdings, LLC | 0.28% | Add +2.7% | 518,713 | $95.8M |
| Sei Investments Co. | 0.09% | Reduce -10.7% | 512,825 | $94.7M |
| Principal Financial Group Inc. | 0.05% | Add +4.3% | 507,404 | $93.7M |
| Royal Bank of Canada | 0.02% | Reduce -15.8% | 503,937 | $93.1M |
| Nilsine Partners, LLC | 7.13% | Reduce -2.0% | 491,331 | $91.2M |
| Swiss National Bank | 0.05% | Add +7.9% | 474,700 | $87.7M |
| California State Teachers Retirement System | 0.09% | Reduce -0.8% | 473,753 | $87.5M |
| Huntington National Bank | 0.64% | Add +0.7% | 467,982 | $86.4M |
| Clark Capital Management Group, Inc. | 0.49% | Add +17.1% | 432,477 | $79.9M |
| Earnest Partners LLC | 0.32% | Reduce -0.9% | 422,810 | $78.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.05% | Add +9.5% | 397,172 | $73.4M |
| Sumitomo Mitsui Trust Group, Inc. | 0.05% | Reduce -3.3% | 394,689 | $72.9M |
| Aviva PLC | 0.12% | Add +188.2% | 383,702 | $70.9M |
| Barclays PLC | 0.02% | Add +16.4% | 373,342 | $69.0M |
| Energy Income Partners, LLC | 1.08% | Add +1.0% | 363,311 | $67.1M |
| Vanguard Global Advisers, LLC | 0.04% | — | 360,844 | $66.7M |
| T. Rowe Price Investment Management, Inc. | 0.05% | Add +27.8% | 358,652 | $66.3M |
| Rhumbline Advisers | 0.06% | Reduce -1.8% | 353,960 | $65.4M |
| Jennison Associates LLC | 0.04% | Reduce -2.0% | 346,090 | $63.9M |
| First Trust Advisors LP | 0.04% | Reduce -26.2% | 340,408 | $62.9M |
| Benjamin Edwards Inc. | 0.62% | Reduce -3.7% | 339,303 | $62.7M |
| Bahl & Gaynor LLC | 0.31% | Add +3.9% | 335,750 | $62.0M |
| Capital International, Inc. | 0.47% | Add +12.4% | 325,613 | $60.1M |
| Boston Trust Walden Corp | 0.49% | Reduce -5.4% | 324,927 | $60.0M |
| Manufacturers Life Insurance Company, The | 0.05% | Reduce -9.9% | 323,423 | $59.7M |
| KBC Group NV | 0.15% | Reduce -2.5% | 316,327 | $58.4M |
| Toronto Dominion Bank | 0.11% | Reduce -6.0% | 309,461 | $57.2M |
| Vest Financial, LLC | 0.68% | Add +10.4% | 307,562 | $56.8M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.05% | — | 303,715 | $56.1M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.28% | Reduce -3.0% | 301,973 | $55.8M |
| New York State Common Retirement Fund | 0.08% | Reduce -0.5% | 295,457 | $54.6M |
| California Public Employees Retirement System | 0.03% | Reduce -26.9% | 290,843 | $53.7M |
| Nomura Asset Management Co. Ltd. | 0.14% | Add +8.9% | 289,580 | $53.5M |
| Millennium Management | 0.04% | Add +290.3% | 261,421 | $48.3M |
| Schroder Investment Management Group | 0.04% | Add +6.7% | 259,231 | $48.0M |
| Royal London Asset Management Ltd. | 0.10% | Add +2.6% | 255,035 | $47.1M |
| Munich Reinsurance Co Stock Corp in Munich | 1.14% | Reduce -0.1% | 251,761 | $46.5M |
| Aventail Capital Group, LP | 2.21% | Add +29.7% | 247,838 | $45.8M |
| National Pension Service | 0.03% | Add +10.4% | 244,687 | $45.2M |
| Citigroup Inc. | 0.03% | Reduce -28.3% | 241,707 | $44.6M |
| Partners Group Holding AG | 3.26% | Reduce -1.5% | 238,206 | $44.0M |
| Stifel Financial Corp. | 0.04% | Add +1.9% | 232,998 | $43.0M |
| Aberdeen Group plc | 0.07% | Add +6.1% | 228,217 | $42.2M |
| Clearbridge Investments, LLC | 0.04% | Add +62.4% | 221,869 | $41.0M |
| M&G PLC | 0.20% | Reduce -1.4% | 201,418 | $37.3M |
| Exchange Traded Concepts, LLC | 0.28% | Add +12.5% | 195,457 | $36.1M |
| LPL Financial LLC | 0.01% | Add +11.2% | 194,277 | $35.9M |
| Allspring Global Investments Holdings, LLC | 0.06% | Add +3.9% | 189,256 | $35.1M |
| Eurizon Capital SGR S.p.A. | 0.11% | Reduce -8.2% | 189,350 | $35.0M |
| CANADA LIFE ASSURANCE Co | 0.06% | Reduce -0.9% | 188,054 | $34.9M |
| Dearborn Partners LLC | 1.88% | Reduce -8.6% | 188,269 | $34.8M |
| Magellan Asset Management Ltd | 0.43% | Add +30.9% | 181,367 | $33.5M |
"% of holder's portfolio" is ATO's weight in each manager's 13F, not the share of Atmos Energy Corp. the manager owns.