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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 2021

Institutional positions in Atmos Energy Corp as of Mar 31, 2021. 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
550
No complete 13F data for Q4 2020
Shares held
108.2M
No complete 13F data for Q4 2020
Total value
$10.7B
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 550 institutions
Q1 2021: 550 institutionsQ2 2021: 548 institutionsQ3 2021: 536 institutionsQ4 2021: 575 institutionsQ1 2022: 608 institutionsQ2 2022: 620 institutionsQ3 2022: 631 institutionsQ4 2022: 663 institutionsQ1 2023: 664 institutionsQ2 2023: 672 institutionsQ3 2023: 669 institutionsQ4 2023: 722 institutionsQ1 2024: 731 institutionsQ2 2024: 736 institutionsQ3 2024: 758 institutionsQ4 2024: 818 institutionsQ1 2025: 861 institutionsQ2 2025: 871 institutionsQ3 2025: 912 institutionsQ4 2025: 980 institutionsQ1 2026: 1,020 institutionsQ2 2026: 1,044 institutions
Value heldQ1 2021: $10.7B
Q1 2021: $10.7BQ2 2021: $10.5BQ3 2021: $9.93BQ4 2021: $12.4BQ1 2022: $14.9BQ2 2022: $14.2BQ3 2022: $13.1BQ4 2022: $14.6BQ1 2023: $14.7BQ2 2023: $15.8BQ3 2023: $14.4BQ4 2023: $15.8BQ1 2024: $16.6BQ2 2024: $16.7BQ3 2024: $20.8BQ4 2024: $21.8BQ1 2025: $24.4BQ2 2025: $24.7BQ3 2025: $27.2BQ4 2025: $27.2BQ1 2026: $29.6BQ2 2026: $28.0B
Institutions holding ATO and their total value by quarter
QuarterHoldersValue
Q2 20261,044$28.0B
Q1 20261,020$29.6B
Q4 2025980$27.2B
Q3 2025912$27.2B
Q2 2025871$24.7B
Q1 2025861$24.4B
Q4 2024818$21.8B
Q3 2024758$20.8B
Q2 2024736$16.7B
Q1 2024731$16.6B
Q4 2023722$15.8B
Q3 2023669$14.4B
Q2 2023672$15.8B
Q1 2023664$14.7B
Q4 2022663$14.6B
Q3 2022631$13.1B
Q2 2022620$14.2B
Q1 2022608$14.9B
Q4 2021575$12.4B
Q3 2021536$9.93B
Q2 2021548$10.5B
Q1 2021550$10.7B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Atmos Energy Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ATO in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc15,386,217$1.52B0.04%––
BlackRock Inc.13,211,225$1.31B0.04%––
State Street Corp9,183,031$907.7M0.05%––
American Century Companies Inc5,452,312$539.0M0.40%––
Magellan Asset Management Ltd3,884,322$384.0M0.80%––
Pendal Group Limited2,510,716$248.2M2.44%––
Geode Capital Management, LLC2,267,487$223.6M0.03%––
Price T Rowe Associates Inc2,041,916$201.8M0.02%––
Pictet Asset Management Ltd1,885,714$186.4M0.22%––
Invesco Ltd.1,863,424$184.2M0.05%––
Legal & General Group Plc1,806,981$178.6M0.07%––
Cooke & Bieler LP1,698,292$167.9M1.63%––
Massachusetts Financial Services Co1,686,748$166.7M0.05%––
Wells Fargo & Company1,621,374$160.3M0.04%––
Northern Trust Corp1,362,625$134.7M0.03%––
ProShare Advisors LLC1,272,143$125.8M0.40%––
Pensioenfonds Rail & Ov1,271,042$125.6M2.85%––
SFMG, LLC1,222,334$120.8M14.01%––
Mitsubishi UFJ Trust & Banking Corp1,253,311$120.0M0.27%––
Silvercrest Asset Management Group LLC1,186,913$117.3M0.79%––
Bank of America Corp1,141,748$112.9M0.01%––
Duff & Phelps Investment Management Co1,096,990$108.4M1.48%––
Goldman Sachs Group Inc1,094,432$108.2M0.03%––
Energy Income Partners, LLC991,279$98.0M2.61%––
California Public Employees Retirement System973,339$96.2M0.07%––
Bank of New York Mellon Corp942,031$93.1M0.02%––
Charles Schwab Investment Management Inc846,778$83.7M0.03%––
First Trust Advisors LP834,552$82.5M0.10%––
FMR LLC812,519$80.3M0.01%––
TD Asset Management Inc748,142$74.0M0.08%––
NFJ Investment Group, LLC721,852$71.4M1.43%––
UBS Asset Management Americas Inc692,685$68.5M0.03%––
Partners Group Holding AG675,522$66.8M5.74%––
Credit Suisse AG667,577$66.0M0.05%––
Morgan Stanley662,155$65.5M0.01%––
JPMorgan Chase & Co638,912$63.2M0.01%––
Ardevora Asset Management LLP631,703$62.4M0.93%––
AMP Capital Investors Ltd564,429$55.8M0.28%––
Boston Trust Walden Corp548,585$54.2M0.53%––
APG Asset Management N.V.634,416$53.4M0.09%––
GQG Partners LLC537,911$53.2M0.19%––
FIL Ltd523,706$51.8M0.06%––
Swiss National Bank514,992$50.9M0.03%––
Norges Bank479,209$47.4M0.01%––
Deutsche Bank AG471,030$46.6M0.03%––
Dimensional Fund Advisors LP467,536$46.2M0.02%––
Amundi Asset Management US, Inc.455,084$45.0M0.03%––
Sumitomo Mitsui Trust Holdings, Inc.432,969$42.8M0.03%––
Zimmer Partners, LP417,500$41.3M0.57%––
Parametric Portfolio Associates LLC387,751$38.3M0.02%––
Macquarie Group Ltd375,541$37.1M0.05%––
Maple-Brown Abbott Ltd369,230$36.5M2.05%––
Public Sector Pension Investment Board347,620$34.4M0.23%––
Reaves W H & Co Inc325,456$32.2M1.12%––
Franklin Resources Inc297,242$29.4M0.01%––
AQR Capital Management LLC287,054$28.2M0.05%––
California State Teachers Retirement System283,756$28.0M0.04%––
Nuveen Asset Management, LLC274,982$27.2M0.01%––
Hennessy Advisors Inc267,286$26.4M1.54%––
DekaBank Deutsche Girozentrale262,398$25.7M0.09%––
Russell Investments Group, Ltd.249,037$24.6M0.04%––
New York State Common Retirement Fund237,100$23.4M0.03%––
Millennium Management LLC228,742$22.6M0.03%––
Neuberger Berman Group LLC229,257$22.6M0.02%––
AXA S.A.211,315$20.9M0.06%––
Rhumbline Advisers198,485$19.6M0.03%––
Vident Investment Advisory, LLC194,979$19.3M0.65%––
NN Investment Partners Holdings N.V.194,340$19.2M0.11%––
Tortoise Index Solutions, LLC189,423$18.7M4.50%––
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund184,375$18.2M0.17%––
Earnest Partners LLC184,113$18.2M0.11%––
Alliancebernstein L.P.181,580$17.9M0.01%––
Bahl & Gaynor Inc170,709$16.9M0.11%––
Barclays PLC170,066$16.8M0.02%––
Public Employees Retirement Association of Colorado168,204$16.6M0.08%––
M&G Investment Management Ltd167,620$16.6M0.14%––
State Board of Administration of Florida Retirement System162,579$16.1M0.03%––
Prudential Financial Inc162,517$16.1M0.02%––
State of Wisconsin Investment Board161,720$16.0M0.03%––
Asset Management One Co.,Ltd.158,832$15.7M0.06%––
Principal Financial Group Inc155,245$15.3M0.01%––
Cramer Rosenthal McGlynn LLC153,022$15.1M0.50%––
Snyder Capital Management L P147,855$14.6M0.42%––
Great West Life Assurance Co146,753$14.4M0.04%––
Eaton Vance Management140,621$13.9M0.02%––
Adage Capital Partners GP, L.L.C.140,104$13.8M0.03%––
Bank of Montreal140,561$13.8M0.01%––
Westpac Banking Corp139,721$13.8M0.15%––
Lazard Asset Management LLC137,579$13.6M0.02%––
HSBC Holdings PLC136,723$13.5M0.02%––
SEI Investments Co136,946$13.5M0.03%––
Manufacturers Life Insurance Company, The135,308$13.4M0.01%––
Citigroup Inc124,480$12.3M0.01%––
Chevy Chase Trust Holdings, Inc.122,504$12.1M0.04%––
Marshall Wace, LLP121,633$12.0M0.06%––
New York State Teachers Retirement System118,032$11.7M0.03%––
Janus Henderson Group PLC117,092$11.6M0.01%––
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main116,859$11.6M0.02%––
Gradient Investments LLC116,504$11.5M0.37%––
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.115,209$11.4M0.07%––