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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, Q2 2023

Institutional positions in Atmos Energy Corp as of Jun 30, 2023. 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
672
+13 vs. Q1 2023
Shares held
135.7M
+4.87M (+3.7%) vs. Q1 2023
Total value
$15.8B
+$1.06B (+7.2%) vs. Q1 2023
New holders
70
255 more added
Sold out
57
226 more reduced

5 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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.

Institutional holdersQ2 2023: 672 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 heldQ2 2023: $15.8B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q1 2023.

Institutions holding ATO in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Van Eck Associates Corp37,622$4.38M0.01%+1,862+5.2%Added
Butensky & Cohen Financial Security, Inc38,902$4.53M1.63%−1,679−4.1%Reduced
Arizona State Retirement System39,431$4.59M0.04%−1,533−3.7%Reduced
Intech Investment Management LLC39,741$4.62M0.05%−187,475−82.5%Reduced
Opus Investment Management Inc41,050$4.78M1.72%00.0%Unchanged
Jump Financial, LLC41,092$4.78M0.18%+41,092New
Power Corp of Canada42,457$4.94M0.51%00.0%Unchanged
Robeco Institutional Asset Management B.V.42,552$4.95M0.01%+25,855+154.8%Added
The PNC Financial Services Group, Inc.43,932$5.11M0.00%+729+1.7%Added
BCM Advisors, LLC42,829$5.16M1.38%00.0%Unchanged
Susquehanna Fundamental Investments, LLC44,570$5.19M0.19%−8,676−16.3%Reduced
Churchill Management Corp44,636$5.19M0.09%−3,206−6.7%Reduced
IFM Investors Pty Ltd44,958$5.23M0.07%+12,661+39.2%Added
Cambridge Trust Co46,076$5.36M0.24%−960−2.0%Reduced
USS Investment Management Ltd46,382$5.40M0.06%00.0%Unchanged
American International Group, Inc.46,534$5.41M0.03%+601+1.3%Added
DekaBank Deutsche Girozentrale48,812$5.66M0.01%−6,241−11.3%Reduced
Citadel Advisors LLC48,843$5.68M0.01%−422,961−89.6%Reduced
Avantax Advisory Services, Inc.49,840$5.80M0.07%+610+1.2%Added
Standard Life Aberdeen plc51,653$6.01M0.01%+15,686+43.6%Added
44 Wealth Management LLC53,378$6.21M2.12%−677−1.3%Reduced
Nisa Investment Advisors, LLC55,301$6.43M0.05%+10,455+23.3%Added
Cresset Asset Management, LLC55,795$6.49M0.05%+55,795New
HighTower Advisors, LLC56,955$6.61M0.01%+13,917+32.3%Added
Mattern Capital Management, LLC57,461$6.69M1.09%+1,697+3.0%Added
Teachers Retirement System of the State of Kentucky57,583$6.70M0.06%+7,416+14.8%Added
Richard Bernstein Advisors LLC58,938$6.86M0.14%−5,831−9.0%Reduced
First National Bank of Omaha59,277$6.90M0.40%+6,862+13.1%Added
Jane Street Group, LLC59,661$6.94M0.01%+16,391+37.9%Added
Raymond James Financial Services Advisors, Inc.59,723$6.95M0.01%+2,241+3.9%Added
Toronto Dominion Bank61,482$7.15M0.01%−1,499−2.4%Reduced
Voya Investment Management LLC62,721$7.30M0.01%−49,526−44.1%Reduced
Millennium Management LLC62,765$7.30M0.01%−261,915−80.7%Reduced
Treasurer of the State of North Carolina64,992$7.56M0.04%+2,850+4.6%Added
Public Employees Retirement System of Ohio66,489$7.74M0.03%−5,478−7.6%Reduced
Ameriprise Financial Inc66,579$7.75M0.00%−4,105−5.8%Reduced
M&T Bank Corp67,444$7.85M0.03%+1,702+2.6%Added
Fuller & Thaler Asset Management, Inc.67,551$7.86M0.04%−8,575−11.3%Reduced
Mn Services Vermogensbeheer B.V.68,800$8.00M0.07%+2,100+3.1%Added
LPL Financial LLC69,213$8.05M0.01%+7,612+12.4%Added
State of New Jersey Common Pension Fund D74,587$8.68M0.03%00.0%Unchanged
Russell Investments Group, Ltd.75,949$8.83M0.02%−26,189−25.6%Reduced
AXA S.A.79,011$9.19M0.03%+7,956+11.2%Added
Natixis Advisors, L.P.79,199$9.21M0.03%+5,127+6.9%Added
Ontario Teachers Pension Plan Board82,742$9.63M0.10%+82,742New
Baird Financial Group, Inc.85,250$9.92M0.03%+20,317+31.3%Added
Mitsubishi UFJ Trust & Banking Corp85,481$9.94M0.02%+2,487+3.0%Added
Franklin Resources Inc87,297$10.2M0.00%+54,927+169.7%Added
Yousif Capital Management, LLC89,547$10.4M0.13%−1,499−1.6%Reduced
State of Michigan Retirement System90,210$10.5M0.06%+28,500+46.2%Added
Caisse de Depot Et Placement du Quebec93,267$10.9M0.03%+91,967+7,074.4%Added
Guggenheim Capital LLC94,310$11.0M0.09%+15,282+19.3%Added
Chevy Chase Trust Holdings, Inc.97,950$11.4M0.04%−439−0.4%Reduced
Cambiar Investors LLC98,829$11.5M0.49%+6,947+7.6%Added
Ensign Peak Advisors, Inc102,405$11.9M0.02%+60,455+144.1%Added
Gabelli Funds LLC103,000$12.0M0.09%−500−0.5%Reduced
KBC Group NV103,384$12.0M0.05%+11,722+12.8%Added
CBOE Vest Financial, LLC104,576$12.0M1.12%+16,408+18.6%Added
Mather Group, LLC.107,404$12.5M0.20%−662−0.6%Reduced
Susquehanna International Group, LLP108,456$12.6M0.02%−27,309−20.1%Reduced
Verition Fund Management LLC111,147$12.9M0.20%+19,066+20.7%Added
Illinois Municipal Retirement Fund111,476$13.0M0.26%+43,251+63.4%Added
Magellan Asset Management Ltd113,174$13.2M0.12%+6,156+5.8%Added
Manufacturers Life Insurance Company, The115,863$13.5M0.01%−4,922−4.1%Reduced
New York State Teachers Retirement System120,031$14.0M0.03%+506+0.4%Added
Asset Management One Co.,Ltd.132,773$15.4M0.07%−4,255−3.1%Reduced
Balyasny Asset Management LLC132,846$15.5M0.04%+130,044+4,641.1%Added
Prudential Financial Inc134,426$15.6M0.02%−27,758−17.1%Reduced
Stifel Financial Corp134,485$15.6M0.02%−335−0.2%Reduced
Cramer Rosenthal McGlynn LLC146,758$17.1M0.85%−8,747−5.6%Reduced
Allspring Global Investments Holdings, LLC148,983$17.3M0.03%−28,244−15.9%Reduced
Skandinaviska Enskilda Banken AB (publ)149,214$17.4M0.11%+147,443+8,325.4%Added
Reaves W H & Co Inc150,927$17.6M0.65%+16,504+12.3%Added
State of Wisconsin Investment Board154,423$18.0M0.05%−8,933−5.5%Reduced
Macquarie Group Ltd157,811$18.4M0.02%−16,810−9.6%Reduced
State Board of Administration of Florida Retirement System159,465$18.6M0.04%+4,004+2.6%Added
Alberta Investment Management Corp160,920$18.7M0.18%−2,430−1.5%Reduced
Maryland State Retirement & Pension System163,845$19.1M0.40%+5,955+3.8%Added
Abn Amro Investment Solutions164,413$19.1M0.38%−34,000−17.1%Reduced
Janney Montgomery Scott LLC165,921$19.3M0.07%+165,921New
Victory Capital Management Inc166,649$19.4M0.02%−35,248−17.5%Reduced
Tortoise Index Solutions, LLC166,877$19.4M3.96%−20,793−11.1%Reduced
Exchange Traded Concepts, LLC166,877$19.4M0.48%+166,877New
Great West Life Assurance Co173,933$20.4M0.05%+14,334+9.0%Added
Neuberger Berman Group LLC183,949$21.4M0.02%−3,543−1.9%Reduced
Public Employees Retirement Association of Colorado185,063$21.5M0.10%00.0%Unchanged
MUFG Securities EMEA plc186,840$21.7M0.50%+186,840New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.188,162$21.9M0.05%+10,948+6.2%Added
Alliancebernstein L.P.189,441$22.0M0.01%+1,177+0.6%Added
Envestnet Asset Management Inc190,804$22.2M0.01%+6,983+3.8%Added
Squarepoint Ops LLC195,326$22.7M0.13%−81,527−29.4%Reduced
Moran Wealth Management, LLC200,171$23.3M0.87%−3,826−1.9%Reduced
National Pension Service201,283$23.3M0.04%−4,358−2.1%Reduced
Huntington National Bank200,608$23.3M0.22%+160,713+402.8%Added
Canada Pension Plan Investment Board200,915$23.4M0.04%+87,500+77.2%Added
Principal Financial Group Inc202,858$23.6M0.02%−14,242−6.6%Reduced
Hennessy Advisors Inc204,786$23.8M1.72%−16,300−7.4%Reduced
Aviva PLC207,159$24.1M0.10%−49,010−19.1%Reduced
AQR Capital Management LLC210,741$24.5M0.05%−11,937−5.4%Reduced
Korea Investment CORP214,650$25.0M0.07%+160,193+294.2%Added