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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, Q3 2023

Institutional positions in Atmos Energy Corp as of Sep 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
669
+5 vs. Q2 2023
Shares held
135.8M
+1.29M (+1.0%) vs. Q2 2023
Total value
$14.4B
−$1.24B (−7.9%) vs. Q2 2023
New holders
70
262 more added
Sold out
65
219 more reduced

8 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 669 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 heldQ3 2023: $14.4B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q2 2023.

Institutions holding ATO in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Advisor Group Holdings, Inc.39,413$4.18M0.01%+12,948+48.9%Added
Butensky & Cohen Financial Security, Inc39,884$4.22M1.53%+982+2.5%Added
American International Group, Inc.39,897$4.23M0.03%−6,637−14.3%Reduced
Captrust Financial Advisors39,957$4.23M0.02%+3,224+8.8%Added
Standard Life Aberdeen plc41,542$4.40M0.01%−10,111−19.6%Reduced
Power Corp of Canada42,457$4.50M0.28%00.0%Unchanged
Churchill Management Corp42,716$4.52M0.08%−1,920−4.3%Reduced
Aquatic Capital Management LLC43,100$4.57M0.19%+43,100New
Verition Fund Management LLC43,210$4.58M0.06%−67,937−61.1%Reduced
The PNC Financial Services Group, Inc.43,927$4.65M0.00%−50.0%Reduced
BCM Advisors, LLC42,829$4.68M1.39%00.0%Unchanged
Lazard Asset Management LLC45,747$4.84M0.01%+22,991+101.0%Added
IFM Investors Pty Ltd46,242$4.90M0.06%+1,284+2.9%Added
Cambridge Trust Co46,329$4.91M0.23%+253+0.5%Added
Comerica Bank46,653$4.94M0.03%+46,653New
DekaBank Deutsche Girozentrale47,244$5.00M0.01%−1,568−3.2%Reduced
Guggenheim Capital LLC47,388$5.02M0.04%−46,922−49.8%Reduced
USS Investment Management Ltd48,066$5.09M0.06%+1,684+3.6%Added
Avantax Advisory Services, Inc.50,654$5.37M0.06%+814+1.6%Added
Robeco Institutional Asset Management B.V.55,081$5.83M0.02%+12,529+29.4%Added
Franklin Resources Inc58,629$6.21M0.00%−28,668−32.8%Reduced
Cresset Asset Management, LLC59,616$6.32M0.04%+3,821+6.8%Added
HighTower Advisors, LLC59,663$6.34M0.01%+2,708+4.8%Added
Mattern Capital Management, LLC60,043$6.36M1.03%+2,582+4.5%Added
Nisa Investment Advisors, LLC60,297$6.39M0.05%+4,996+9.0%Added
Public Employees Retirement System of Ohio60,421$6.40M0.03%−6,068−9.1%Reduced
Ontario Teachers Pension Plan Board61,614$6.53M0.07%−21,128−25.5%Reduced
Voya Investment Management LLC62,208$6.59M0.01%−513−0.8%Reduced
Fuller & Thaler Asset Management, Inc.63,292$6.70M0.04%−4,259−6.3%Reduced
M&T Bank Corp64,311$6.81M0.03%−3,133−4.6%Reduced
State of New Jersey Common Pension Fund D65,848$6.98M0.03%−8,739−11.7%Reduced
Mn Services Vermogensbeheer B.V.68,800$7.29M0.07%00.0%Unchanged
LPL Financial LLC69,663$7.38M0.01%+450+0.7%Added
State of Tennessee, Treasury Department71,206$7.54M0.03%+51,024+252.8%Added
Toronto Dominion Bank71,349$7.56M0.01%+9,867+16.0%Added
Twinbeech Capital LP71,971$7.62M0.15%+71,971New
Raymond James Financial Services Advisors, Inc.73,528$7.79M0.01%+13,805+23.1%Added
Jane Street Group, LLC77,321$8.19M0.01%+17,660+29.6%Added
AXA S.A.77,503$8.21M0.03%−1,508−1.9%Reduced
Treasurer of the State of North Carolina77,913$8.25M0.04%+12,921+19.9%Added
Illinois Municipal Retirement Fund78,171$8.28M0.15%−33,305−29.9%Reduced
Natixis Advisors, L.P.80,131$8.49M0.03%+932+1.2%Added
Qube Research & Technologies Ltd81,176$8.60M0.03%+81,176New
State of Michigan Retirement System81,210$8.60M0.06%−9,000−10.0%Reduced
Russell Investments Group, Ltd.82,781$8.77M0.02%+6,832+9.0%Added
Caisse de Depot Et Placement du Quebec87,275$9.25M0.03%−5,992−6.4%Reduced
Yousif Capital Management, LLC89,489$9.48M0.12%−58−0.1%Reduced
MUFG Securities EMEA plc90,637$9.60M1.03%−96,203−51.5%Reduced
Baird Financial Group, Inc.92,651$9.81M0.03%+7,401+8.7%Added
Mitsubishi UFJ Trust & Banking Corp97,452$10.3M0.03%+11,971+14.0%Added
Chevy Chase Trust Holdings, Inc.98,138$10.4M0.04%+188+0.2%Added
Cambiar Investors LLC101,340$10.7M0.46%+2,511+2.5%Added
Korea Investment CORP101,647$10.8M0.03%−113,003−52.6%Reduced
Gabelli Funds LLC102,500$10.9M0.09%−500−0.5%Reduced
Mather Group, LLC.108,980$11.5M0.21%+1,576+1.5%Added
Ameriprise Financial Inc108,986$11.5M0.00%+42,407+63.7%Added
Manufacturers Life Insurance Company, The111,709$11.8M0.01%−4,154−3.6%Reduced
Ensign Peak Advisors, Inc113,986$12.1M0.03%+11,581+11.3%Added
KBC Group NV114,145$12.1M0.05%+10,761+10.4%Added
Abn Amro Investment Solutions116,413$12.3M0.24%−48,000−29.2%Reduced
New York State Teachers Retirement System119,377$12.6M0.03%−654−0.5%Reduced
Magellan Asset Management Ltd121,212$12.8M0.14%+8,038+7.1%Added
Millennium Management LLC126,125$13.4M0.01%+63,360+100.9%Added
Stifel Financial Corp132,104$14.0M0.02%−2,381−1.8%Reduced
Prudential Financial Inc133,577$14.1M0.02%−849−0.6%Reduced
Asset Management One Co.,Ltd.134,158$14.2M0.06%+1,385+1.0%Added
Maryland State Retirement & Pension System134,430$14.2M0.33%−29,415−18.0%Reduced
Reaves W H & Co Inc147,568$15.6M0.62%−3,359−2.2%Reduced
Adage Capital Partners GP, L.L.C.147,604$15.6M0.04%−83,900−36.2%Reduced
Man Group plc–$15.9M0.05%––
Squarepoint Ops LLC150,599$16.0M0.08%−44,727−22.9%Reduced
Allspring Global Investments Holdings, LLC154,915$16.4M0.03%+5,932+4.0%Added
Alberta Investment Management Corp155,610$16.5M0.18%−5,310−3.3%Reduced
State Board of Administration of Florida Retirement System156,595$16.6M0.04%−2,870−1.8%Reduced
State of Wisconsin Investment Board156,605$16.6M0.05%+2,182+1.4%Added
Janney Montgomery Scott LLC168,144$17.8M0.07%+2,223+1.3%Added
Macquarie Group Ltd168,371$17.8M0.02%+10,560+6.7%Added
Victory Capital Management Inc171,701$18.2M0.02%+5,052+3.0%Added
Tortoise Index Solutions, LLC175,378$18.6M3.86%+8,501+5.1%Added
Great West Life Assurance Co179,884$19.1M0.05%+5,951+3.4%Added
Exchange Traded Concepts, LLC180,487$19.1M0.54%+13,610+8.2%Added
Neuberger Berman Group LLC184,252$19.5M0.02%+303+0.2%Added
Public Employees Retirement Association of Colorado185,063$19.6M0.10%00.0%Unchanged
CBOE Vest Financial, LLC185,340$19.6M1.07%+80,764+77.2%Added
Skandinaviska Enskilda Banken AB (publ)189,184$20.0M0.13%+39,970+26.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.192,939$20.4M0.04%+4,777+2.5%Added
Susquehanna International Group, LLP197,561$20.9M0.03%+89,105+82.2%Added
Moran Wealth Management, LLC199,754$21.2M0.82%−417−0.2%Reduced
Hennessy Advisors Inc204,886$21.7M1.52%+1000.0%Added
AQR Capital Management LLC208,045$22.0M0.05%−2,696−1.3%Reduced
National Pension Service207,745$22.2M0.04%+6,462+3.2%Added
Aviva PLC213,737$22.6M0.10%+6,578+3.2%Added
Principal Financial Group Inc214,368$22.7M0.02%+11,510+5.7%Added
Boston Trust Walden Corp224,243$23.8M0.20%−22,748−9.2%Reduced
Royal London Asset Management Ltd225,050$23.8M0.08%+845+0.4%Added
Nilsine Partners, LLC227,230$24.1M3.64%+205+0.1%Added
Bahl & Gaynor Inc233,822$24.8M0.16%+7,835+3.5%Added
Cantor Fitzgerald, L. P.236,259$25.0M0.67%−12,840−5.2%Reduced
Alliancebernstein L.P.239,538$25.4M0.01%+50,097+26.4%Added
Bank of Montreal221,268$25.4M0.02%−16,225−6.8%Reduced