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, Q1 2026
Institutional positions in Atmos Energy Corp as of Mar 31, 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
- 1,020
- +57 vs. Q4 2025
- Shares held
- 160.0M
- +21.2M (+15.3%) vs. Q4 2025
- Total value
- $29.6B
- +$6.29B (+27.0%) vs. Q4 2025
- New holders
- 142
- 409 more added
- Sold out
- 85
- 305 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17,451,963 | $3.22B | 0.06% | +428,484+2.5% | Added |
| State Street Corp | 11,372,750 | $2.10B | 0.07% | +586,392+5.4% | Added |
| Vanguard Capital Management LLC | 10,735,547 | $1.98B | 0.05% | +10,735,547 | New |
| Wellington Management Group LLP | 9,651,472 | $1.78B | 0.33% | −359,036−3.6% | Reduced |
| Vanguard Portfolio Management LLC | 9,285,633 | $1.72B | 0.09% | +9,285,633 | New |
| Capital International Investors | 7,326,778 | $1.35B | 0.32% | −4,567,048−38.4% | Reduced |
| Aristotle Capital Management, LLC | 4,866,481 | $899.0M | 1.88% | −1,503,648−23.6% | Reduced |
| Geode Capital Management, LLC | 4,336,996 | $798.1M | 0.05% | +122,011+2.9% | Added |
| Bank of America Corp | 4,199,433 | $775.7M | 0.06% | +416,933+11.0% | Added |
| Capital Research Global Investors | 4,010,550 | $740.8M | 0.11% | +4,010,550 | New |
| Invesco Ltd. | 3,007,306 | $555.5M | 0.05% | −6,468−0.2% | Reduced |
| Morgan Stanley | 3,001,186 | $554.4M | 0.03% | +245,273+8.9% | Added |
| Price T Rowe Associates Inc | 2,715,107 | $501.5M | 0.06% | −3,881,957−58.8% | Reduced |
| Deutsche Bank AG | 2,547,037 | $470.5M | 0.16% | −340,330−11.8% | Reduced |
| Goldman Sachs Group Inc | 1,935,162 | $357.5M | 0.05% | +688,608+55.2% | Added |
| Massachusetts Financial Services Co | 1,772,601 | $331.4M | 0.11% | −202,859−10.3% | Reduced |
| Legal & General Group Plc | 1,616,380 | $298.6M | 0.07% | +35,806+2.3% | Added |
| Northern Trust Corp | 1,549,694 | $286.3M | 0.04% | +38,355+2.5% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,490,653 | $275.4M | 0.25% | +222,725+17.6% | Added |
| Wells Fargo & Company | 1,329,328 | $245.6M | 0.05% | −19,721−1.5% | Reduced |
| Amundi | 1,302,886 | $240.7M | 0.07% | +432,147+49.6% | Added |
| Perpetual Ltd | 1,240,469 | $229.1M | 3.51% | −157,865−11.3% | Reduced |
| Raymond James Financial Inc | 1,206,752 | $222.9M | 0.07% | +95,432+8.6% | Added |
| Pictet Asset Management Holding SA | 1,175,415 | $217.1M | 0.23% | +115,574+10.9% | Added |
| UBS Asset Management Americas Inc | 1,063,678 | $196.5M | 0.04% | +34,375+3.3% | Added |
| SFMG, LLC | 1,058,545 | $195.5M | 13.40% | −1,844−0.2% | Reduced |
| Charles Schwab Investment Management Inc | 1,036,621 | $191.5M | 0.03% | +55,777+5.7% | Added |
| ProShare Advisors LLC | 1,023,862 | $189.1M | 0.28% | +75,103+7.9% | Added |
| American Century Companies Inc | 1,002,458 | $185.2M | 0.10% | −37,543−3.6% | Reduced |
| Nuveen, LLC | 947,508 | $175.0M | 0.05% | +463,524+95.8% | Added |
| Vanguard Fiduciary Trust Co | 930,642 | $171.9M | 0.04% | +930,642 | New |
| Bank of New York Mellon Corp | 892,696 | $164.9M | 0.03% | −3,522−0.4% | Reduced |
| GQG Partners LLC | 887,204 | $163.9M | 0.26% | +183,612+26.1% | Added |
| The PNC Financial Services Group, Inc. | 886,291 | $163.7M | 0.09% | +11,318+1.3% | Added |
| BNP Paribas Arbitrage, SA | 834,718 | $154.2M | 0.10% | +516,491+162.3% | Added |
| AQR Capital Management LLC | 822,776 | $150.9M | 0.07% | +316,159+62.4% | Added |
| Cohen & Steers, Inc. | 800,246 | $147.8M | 0.26% | +128,850+19.2% | Added |
| JPMorgan Chase & Co | 796,227 | $147.3M | 0.01% | +434,444+120.1% | Added |
| HSBC Holdings PLC | 780,184 | $144.1M | 0.09% | −36,402−4.5% | Reduced |
| Cbre Clarion Securities LLC | 757,953 | $140.0M | 2.08% | +228,532+43.2% | Added |
| Dimensional Fund Advisors LP | 752,986 | $139.1M | 0.03% | +19,588+2.7% | Added |
| Citadel Advisors LLC | 751,604 | $138.8M | 0.10% | +219,755+41.3% | Added |
| UBS Group AG | 718,687 | $132.8M | 0.02% | +131,226+22.3% | Added |
| Silvercrest Asset Management Group LLC | 707,225 | $130.6M | 0.94% | −17,978−2.5% | Reduced |
| Envestnet Asset Management Inc | 674,566 | $124.6M | 0.03% | +122,700+22.2% | Added |
| PFA Pension, Forsikringsaktieselskab | 668,040 | $123.4M | 0.37% | +29,001+4.5% | Added |
| Duff & Phelps Investment Management Co | 607,945 | $112.3M | 1.17% | −44,361−6.8% | Reduced |
| Neuberger Berman Group LLC | 601,090 | $111.0M | 0.08% | +4,177+0.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 518,713 | $95.8M | 0.28% | +13,587+2.7% | Added |
| SEI Investments Co | 512,825 | $94.7M | 0.09% | −61,274−10.7% | Reduced |
| Principal Financial Group Inc | 507,404 | $93.7M | 0.05% | +21,175+4.4% | Added |
| Royal Bank of Canada | 503,937 | $93.1M | 0.02% | −94,872−15.8% | Reduced |
| Nilsine Partners, LLC | 491,331 | $91.2M | 7.13% | −9,845−2.0% | Reduced |
| Swiss National Bank | 474,700 | $87.7M | 0.05% | +34,800+7.9% | Added |
| California State Teachers Retirement System | 473,753 | $87.5M | 0.09% | −3,739−0.8% | Reduced |
| Huntington National Bank | 467,982 | $86.4M | 0.48% | +3,011+0.6% | Added |
| Clark Capital Management Group, Inc. | 432,477 | $79.9M | 0.49% | +63,241+17.1% | Added |
| Earnest Partners LLC | 422,810 | $78.1M | 0.32% | −4,026−0.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 397,172 | $73.4M | 0.05% | +34,415+9.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 394,689 | $72.9M | 0.05% | −13,513−3.3% | Reduced |
| Aviva PLC | 383,702 | $70.9M | 0.12% | +250,541+188.1% | Added |
| Barclays PLC | 373,342 | $69.0M | 0.02% | +52,466+16.4% | Added |
| Energy Income Partners, LLC | 363,311 | $67.1M | 1.08% | +3,490+1.0% | Added |
| Vanguard Global Advisers, LLC | 360,844 | $66.7M | 0.04% | +360,844 | New |
| T. Rowe Price Investment Management, Inc. | 358,652 | $66.3M | 0.05% | +78,055+27.8% | Added |
| Rhumbline Advisers | 353,960 | $65.4M | 0.06% | −6,385−1.8% | Reduced |
| Jennison Associates LLC | 346,090 | $63.9M | 0.04% | −6,958−2.0% | Reduced |
| First Trust Advisors LP | 340,408 | $62.9M | 0.04% | −121,010−26.2% | Reduced |
| Benjamin Edwards Inc | 339,303 | $62.7M | 0.62% | −12,914−3.7% | Reduced |
| Bahl & Gaynor Inc | 335,750 | $62.0M | 0.31% | +12,458+3.9% | Added |
| Capital International Inc | 325,613 | $60.1M | 0.46% | +35,950+12.4% | Added |
| Boston Trust Walden Corp | 324,927 | $60.0M | 0.49% | −18,518−5.4% | Reduced |
| Manufacturers Life Insurance Company, The | 323,423 | $59.7M | 0.05% | −35,569−9.9% | Reduced |
| KBC Group NV | 316,327 | $58.4M | 0.15% | −8,046−2.5% | Reduced |
| Toronto Dominion Bank | 309,461 | $57.2M | 0.11% | −19,922−6.0% | Reduced |
| CBOE Vest Financial, LLC | 307,562 | $56.8M | 0.68% | +29,036+10.4% | Added |
| Vanguard Asset Management, Ltd | 303,715 | $56.1M | 0.05% | +303,715 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 301,973 | $55.8M | 0.28% | −9,240−3.0% | Reduced |
| New York State Common Retirement Fund | 295,457 | $54.6M | 0.08% | −1,576−0.5% | Reduced |
| California Public Employees Retirement System | 290,843 | $53.7M | 0.03% | −107,019−26.9% | Reduced |
| Nomura Asset Management Co Ltd | 289,580 | $53.5M | 0.14% | +23,709+8.9% | Added |
| Millennium Management LLC | 261,421 | $48.3M | 0.04% | +194,436+290.3% | Added |
| Schroder Investment Management Group | 259,231 | $48.0M | 0.04% | +16,311+6.7% | Added |
| Royal London Asset Management Ltd | 255,035 | $47.1M | 0.10% | +6,360+2.6% | Added |
| Munich Reinsurance Co Stock Corp in Munich | 251,761 | $46.5M | 1.14% | −179−0.1% | Reduced |
| Aventail Capital Group, LP | 247,838 | $45.8M | 2.21% | +56,701+29.7% | Added |
| National Pension Service | 244,687 | $45.2M | 0.03% | +23,017+10.4% | Added |
| Citigroup Inc | 241,707 | $44.6M | 0.03% | −95,158−28.2% | Reduced |
| Partners Group Holding AG | 238,206 | $44.0M | 3.26% | −3,545−1.5% | Reduced |
| Stifel Financial Corp | 232,998 | $43.0M | 0.04% | +4,379+1.9% | Added |
| Standard Life Aberdeen plc | 228,217 | $42.2M | 0.07% | +13,151+6.1% | Added |
| Clearbridge Investments, LLC | 221,869 | $41.0M | 0.04% | +85,236+62.4% | Added |
| M&G Plc | 201,418 | $37.3M | 0.19% | −2,946−1.4% | Reduced |
| Exchange Traded Concepts, LLC | 195,457 | $36.1M | 0.28% | +21,749+12.5% | Added |
| LPL Financial LLC | 194,277 | $35.9M | 0.01% | +19,622+11.2% | Added |
| Allspring Global Investments Holdings, LLC | 189,256 | $35.1M | 0.06% | +7,083+3.9% | Added |
| Eurizon Capital SGR S.p.A. | 189,350 | $35.0M | 0.11% | −16,942−8.2% | Reduced |
| Great West Life Assurance Co | 188,054 | $34.9M | 0.06% | −1,760−0.9% | Reduced |
| Dearborn Partners LLC | 188,269 | $34.8M | 1.88% | −17,783−8.6% | Reduced |
| Magellan Asset Management Ltd | 181,367 | $33.5M | 0.43% | +42,813+30.9% | Added |