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 |
|---|---|---|---|---|---|
| Truist Financial Corp | 35,015 | $6.47M | 0.01% | +4,407+14.4% | Added |
| Retirement Systems of Alabama | 35,133 | $6.49M | 0.02% | +983+2.9% | Added |
| Texas Yale Capital Corp. | 35,274 | $6.52M | 0.18% | +150+0.4% | Added |
| Occudo Quantitative Strategies LP | 34,559 | $6.57M | 0.36% | +34,559 | New |
| Assenagon Asset Management S.A. | 38,441 | $7.10M | 0.01% | −75,945−66.4% | Reduced |
| CIBC Bancorp USA Inc. | 38,468 | $7.11M | 0.01% | +38,468 | New |
| Westerkirk Capital Inc. | 38,561 | $7.12M | 0.77% | −1,800−4.5% | Reduced |
| Stratos Wealth Partners, LTD. | 38,565 | $7.12M | 0.08% | +1,464+3.9% | Added |
| MetLife Investment Management | 38,566 | $7.12M | 0.04% | +95+0.2% | Added |
| Franklin Resources Inc | 39,213 | $7.24M | 0.00% | −565−1.4% | Reduced |
| Squarepoint Ops LLC | 39,215 | $7.24M | 0.02% | −58,920−60.0% | Reduced |
| Mutual of America Capital Management LLC | 39,467 | $7.29M | 0.08% | +281+0.7% | Added |
| Kennedy Capital Management, Inc. | 39,480 | $7.29M | 0.15% | −31−0.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 39,511 | $7.30M | 0.02% | +8,254+26.4% | Added |
| Bank of Nova Scotia | 39,985 | $7.39M | 0.01% | −32,987−45.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 40,846 | $7.55M | 0.01% | −9,898−19.5% | Reduced |
| Edgestream Partners, L.P. | 40,951 | $7.56M | 0.25% | −31,569−43.5% | Reduced |
| Umb Bank N A | 41,020 | $7.58M | 0.11% | +1,514+3.8% | Added |
| State of New Jersey Common Pension Fund D | 41,122 | $7.60M | 0.03% | +1,820+4.6% | Added |
| Fifth Third Bancorp | 41,543 | $7.67M | 0.01% | +34,964+531.4% | Added |
| MML Investors Services, LLC | 41,968 | $7.75M | 0.02% | +1,361+3.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 41,990 | $7.76M | 0.02% | +544+1.3% | Added |
| BCM Advisors, LLC | 41,319 | $7.76M | 1.53% | 00.0% | Unchanged |
| Swedbank AB | 42,155 | $7.79M | 0.01% | +1,217+3.0% | Added |
| Kepler Cheuvreux (Suisse) SA | 42,250 | $7.80M | 0.52% | −20,427−32.6% | Reduced |
| IFM Investors Pty Ltd | 42,982 | $7.94M | 0.07% | −4,419−9.3% | Reduced |
| Arizona State Retirement System | 43,949 | $8.12M | 0.05% | −148−0.3% | Reduced |
| Ensign Peak Advisors, Inc | 44,249 | $8.17M | 0.02% | −9,178−17.2% | Reduced |
| Nisa Investment Advisors, LLC | 44,711 | $8.26M | 0.03% | −142−0.3% | Reduced |
| Czech National Bank | 45,057 | $8.32M | 0.05% | +2,729+6.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 45,339 | $8.38M | 0.09% | +26,500+140.7% | Added |
| Allianz Asset Management GmbH | 46,047 | $8.51M | 0.01% | +40,538+735.9% | Added |
| M&T Bank Corp | 46,083 | $8.51M | 0.03% | −10,484−18.5% | Reduced |
| Tudor Investment Corp Et Al | 46,989 | $8.68M | 0.05% | +29,550+169.4% | Added |
| Public Sector Pension Investment Board | 47,012 | $8.68M | 0.03% | +5,966+14.5% | Added |
| DnB Asset Management AS | 47,769 | $8.82M | 0.03% | +3,952+9.0% | Added |
| DekaBank Deutsche Girozentrale | 47,563 | $8.88M | 0.01% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 48,678 | $8.99M | 0.03% | +10,538+27.6% | Added |
| Illinois Municipal Retirement Fund | 49,006 | $9.05M | 0.12% | +7,842+19.1% | Added |
| Campbell & CO Investment Adviser LLC | 49,465 | $9.14M | 0.52% | +39,658+404.4% | Added |
| Fisher Funds Management LTD | 49,500 | $9.14M | 0.27% | 00.0% | Unchanged |
| Intech Investment Management LLC | 51,636 | $9.54M | 0.09% | +21,946+73.9% | Added |
| Teachers Retirement System of the State of Kentucky | 51,656 | $9.54M | 0.07% | 00.0% | Unchanged |
| Miller Howard Investments Inc | 51,795 | $9.57M | 0.26% | −7,024−11.9% | Reduced |
| Arvest Bank Trust Division | 51,835 | $9.57M | 0.52% | −741−1.4% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 52,386 | $9.68M | 0.05% | +548+1.1% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 52,547 | $9.71M | 0.28% | −3,268−5.9% | Reduced |
| Federated Hermes, Inc. | 54,552 | $10.1M | 0.02% | +53,867+7,863.8% | Added |
| HighTower Advisors, LLC | 57,699 | $10.7M | 0.01% | −1,797−3.0% | Reduced |
| Diversify Wealth Management, LLC | 58,356 | $10.8M | 0.19% | +16,932+40.9% | Added |
| Cerity Partners LLC | 59,296 | $11.0M | 0.02% | +8,600+17.0% | Added |
| Mariner, LLC | 59,529 | $11.0M | 0.01% | +30,430+104.6% | Added |
| Mattern Capital Management, LLC | 59,706 | $11.0M | 1.32% | +1,180+2.0% | Added |
| State of Tennessee, Treasury Department | 60,209 | $11.1M | 0.04% | 00.0% | Unchanged |
| State of Michigan Retirement System | 61,210 | $11.3M | 0.06% | +1,200+2.0% | Added |
| Mn Services Vermogensbeheer B.V. | 61,362 | $11.3M | 0.07% | −1,300−2.1% | Reduced |
| Cresset Asset Management, LLC | 63,533 | $11.7M | 0.05% | +1,814+2.9% | Added |
| Eastern Bank | 63,540 | $11.7M | 0.20% | −6,602−9.4% | Reduced |
| Ameriprise Financial Inc | 65,071 | $12.0M | 0.00% | −76,067−53.9% | Reduced |
| Yousif Capital Management, LLC | 66,643 | $12.3M | 0.14% | −985−1.5% | Reduced |
| Van Eck Associates Corp | 67,193 | $12.4M | 0.01% | +2,659+4.1% | Added |
| Gotham Asset Management, LLC | 68,017 | $12.6M | 0.04% | +36,019+112.6% | Added |
| Worldquant Millennium Advisors LLC | 68,088 | $12.6M | 0.05% | +7,178+11.8% | Added |
| Treasurer of the State of North Carolina | 68,516 | $12.7M | 0.04% | +1,459+2.2% | Added |
| Resona Asset Management Co.,Ltd. | 68,481 | $12.7M | 0.06% | +2,015+3.0% | Added |
| TD Asset Management Inc | 69,408 | $12.8M | 0.01% | +2,702+4.1% | Added |
| Verition Fund Management LLC | 70,463 | $13.0M | 0.13% | +64,176+1,020.8% | Added |
| SG Americas Securities, LLC | 70,855 | $13.1M | 0.01% | −6,322−8.2% | Reduced |
| Merewether Investment Management, LP | 71,509 | $13.2M | 0.26% | −166,727−70.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 72,261 | $13.3M | 0.03% | +1,606+2.3% | Added |
| Prudential Financial Inc | 77,095 | $14.2M | 0.02% | −1,756−2.2% | Reduced |
| SEB Asset Management AB | 77,947 | $14.4M | 0.06% | +77,947 | New |
| Capital Group Private Client Services, Inc. | 80,747 | $14.9M | 0.25% | −25,854−24.3% | Reduced |
| Lazard Asset Management LLC | 81,870 | $15.1M | 0.02% | −18,870−18.7% | Reduced |
| Mather Group, LLC. | 82,324 | $15.2M | 0.15% | −1,659−2.0% | Reduced |
| Qube Research & Technologies Ltd | 82,631 | $15.3M | 0.02% | −89,804−52.1% | Reduced |
| National Bank of Canada | 85,110 | $15.7M | 0.02% | −654−0.8% | Reduced |
| Paradiem, LLC | 87,119 | $16.1M | 3.54% | +1,455+1.7% | Added |
| Assetmark, Inc | 89,289 | $16.5M | 0.03% | +2,278+2.6% | Added |
| Cramer Rosenthal McGlynn LLC | 89,879 | $16.6M | 1.22% | −59,800−40.0% | Reduced |
| Two Sigma Investments, LP | 89,985 | $16.6M | 0.01% | +86,381+2,396.8% | Added |
| State of Wisconsin Investment Board | 92,071 | $17.0M | 0.04% | +8,935+10.7% | Added |
| CI Private Wealth, LLC | 94,317 | $17.1M | 0.02% | +36,536+63.2% | Added |
| Gabelli Funds LLC | 92,950 | $17.2M | 0.12% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 94,462 | $17.4M | 0.06% | +1,754+1.9% | Added |
| Jones Financial Companies LLLP | 95,580 | $17.5M | 0.01% | +47,904+100.5% | Added |
| Tredje AP-fonden | 95,318 | $17.6M | 0.10% | +50,188+111.2% | Added |
| Cetera Investment Advisers | 102,024 | $18.8M | 0.02% | +4,266+4.4% | Added |
| Macquarie Group Ltd | 102,512 | $18.9M | 0.11% | −3,591−3.4% | Reduced |
| Caisse de Depot Et Placement du Quebec | 104,528 | $19.3M | 0.03% | +98,491+1,631.5% | Added |
| AMF Pensionsforsakring AB | 105,704 | $19.5M | 0.13% | +3,072+3.0% | Added |
| Natixis Advisors, L.P. | 121,604 | $22.5M | 0.03% | +5,120+4.4% | Added |
| Russell Investments Group, Ltd. | 122,865 | $22.7M | 0.02% | +3,946+3.3% | Added |
| STRS Ohio | 125,228 | $23.1M | 0.09% | +7,094+6.0% | Added |
| FMR LLC | 125,494 | $23.2M | 0.00% | +12,529+11.1% | Added |
| Storebrand Asset Management AS | 125,577 | $23.2M | 0.07% | +12,520+11.1% | Added |
| New York State Teachers Retirement System | 126,584 | $23.4M | 0.05% | +7,193+6.0% | Added |
| Baird Financial Group, Inc. | 127,222 | $23.5M | 0.04% | +6,281+5.2% | Added |
| Sienna Gestion | 127,012 | $23.7M | 1.55% | +70,512+124.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 130,340 | $24.1M | 0.03% | −1,822−1.4% | Reduced |