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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 2025

Institutional positions in Atmos Energy Corp as of Sep 30, 2025. 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
912
+52 vs. Q2 2025
Shares held
159.6M
+1.45M (+0.9%) vs. Q2 2025
Total value
$27.2B
+$2.88B (+11.8%) vs. Q2 2025
New holders
122
359 more added
Sold out
70
261 more reduced

11 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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.

Institutional holdersQ3 2025: 912 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 2025: $27.2B
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 2025

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q2 2025.

Institutions holding ATO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Murphy & Mullick Capital Management Corp87$14.9K0.01%00.0%Unchanged
Fortitude Family Office, LLC90$15.4K0.00%−4−4.3%Reduced
Leonteq Securities AG91$15.5K0.00%00.0%Unchanged
Pension & Wealth Management Advisors, Inc.91$15.6K0.00%+91New
DT Investment Partners, LLC92$15.7K0.00%00.0%Unchanged
Meeder Asset Management Inc93$15.9K0.00%+93New
Livforsakringsbolaget Skandia, Omsesidigt100$17.1K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc100$17.1K0.00%00.0%Unchanged
Ransom Advisory, Ltd100$17.1K0.01%00.0%Unchanged
Oakworth Capital, Inc.102$17.4K0.00%00.0%Unchanged
Clark Wealth Partners106$17.7K0.01%+1+1.0%Added
Essential Partners LLC108$18.4K0.01%+84+350.0%Added
Vermillion & White Wealth Management Group, LLC109$18.6K0.01%+1+0.9%Added
Citizens National Bank Trust Department110$18.8K0.00%00.0%Unchanged
Roble, Belko & Company, Inc120$20.0K0.00%00.0%Unchanged
GW&K Investment Management, LLC115$20.0K0.00%+18+18.6%Added
NBT Bank N A171$20.8K0.00%+49+40.2%Added
Centennial Bank122$20.8K0.01%00.0%Unchanged
SJS Investment Consulting Inc.122$20.8K0.00%+114+1,425.0%Added
CVA Family Office, LLC125$21.3K0.00%−3−2.3%Reduced
MV Capital Management, Inc.138$23.6K0.00%00.0%Unchanged
Anfield Capital Management, LLC144$24.6K0.01%00.0%Unchanged
Root Financial Partners, LLC144$24.6K0.00%+144New
Frazier Financial Advisors, LLC147$25.1K0.02%00.0%Unchanged
Painted Porch Advisors LLC150$25.6K0.01%00.0%Unchanged
Hanson & Doremus Investment Management150$26.0K0.00%00.0%Unchanged
TD Private Client Wealth LLC161$27.5K0.00%+14+9.5%Added
Ogorek Anthony Joseph171$29.0K0.01%+22+14.8%Added
Harel Insurance Investments & Financial Services Ltd.167$29.0K0.00%+167New
Towarzystwo Funduszy Inwestycyjnych Pzu SA170$29.0K0.01%00.0%Unchanged
Hollencrest Capital Management183$31.2K0.00%00.0%Unchanged
Deseret Mutual Benefit Administrators183$31.2K0.01%00.0%Unchanged
Redmont Wealth Advisors LLC191$32.6K0.05%00.0%Unchanged
SBI Securities Co., Ltd.191$32.6K0.00%+98+105.4%Added
Delta Asset Management LLC199$34.0K0.00%00.0%Unchanged
St Germain D J Co Inc200$34.1K0.00%−100−33.3%Reduced
First Financial Corp200$34.1K0.01%00.0%Unchanged
Noble Wealth Management PBC200$34.1K0.02%+200New
Hemington Wealth Management207$35.0K0.00%+3+1.5%Added
Pin Oak Investment Advisors Inc210$35.9K0.03%00.0%Unchanged
Johnson Financial Group, Inc.225$38.4K0.00%+194+625.8%Added
Annis Gardner Whiting Capital Advisors, LLC235$40.1K0.01%+4+1.7%Added
Caitlin John, LLC235$40.1K0.03%+235New
Harvest Fund Management Co., Ltd243$41.0K0.00%00.0%Unchanged
AdvisorNet Financial, Inc247$42.2K0.00%−193−43.9%Reduced
American National Bank250$42.7K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd276$47.1K0.03%+185+203.3%Added
Clear Street Markets LLC278$47.5K0.02%+172+162.3%Added
Massmutual Trust Co FSB279$47.6K0.00%+65+30.4%Added
Clearstead Advisors, LLC291$49.7K0.00%+32+12.4%Added
WFA of San Diego, LLC300$51.2K0.03%00.0%Unchanged
Colonial Trust Co300$51.2K0.01%00.0%Unchanged
Cetera Trust Company, N.A300$51.2K0.03%00.0%Unchanged
Medallion Wealth Advisors, LLC300$51.2K0.02%00.0%Unchanged
Private Trust Co NA350$59.8K0.01%−23−6.2%Reduced
Proffitt & Goodson Inc367$62.7K0.01%00.0%Unchanged
Bank of New Hampshire375$64.0K0.01%00.0%Unchanged
Advisory Services Network, LLC386$65.9K0.00%+386New
Onefund, LLC406$69.3K0.04%+11+2.8%Added
Covestor Ltd409$70.0K0.04%−297−42.1%Reduced
Bruce G. Allen Investments, LLC412$70.3K0.05%−6−1.4%Reduced
Sentry Investment Management LLC401$71.0K0.05%−27−6.3%Reduced
Quent Capital, LLC417$71.2K0.01%+417New
Versant Capital Management, Inc440$75.1K0.01%+7+1.6%Added
Westside Investment Management, Inc.444$75.6K0.01%+72+19.4%Added
Cromwell Holdings LLC458$78.2K0.04%00.0%Unchanged
Geneos Wealth Management Inc.458$78.3K0.00%−121−20.9%Reduced
RMG Wealth Management LLC452$80.0K0.01%00.0%Unchanged
Cary Street Partners Financial LLC475$81.1K0.00%+17+3.7%Added
PFS Partners, LLC500$85.4K0.04%00.0%Unchanged
Wall Street Access Asset Management, LLC500$85.4K0.02%+500New
Manchester Capital Management LLC521$89.0K0.01%−1,105−68.0%Reduced
Armstrong Advisory Group, Inc527$90.0K0.01%+27+5.4%Added
Bayforest Capital Ltd540$92.2K0.04%+470+671.4%Added
Smithfield Trust Co565$96.0K0.00%00.0%Unchanged
Colonial Trust Advisors568$97.0K0.01%00.0%Unchanged
Zions Bancorporation, National Association607$103.6K0.01%+219+56.4%Added
GPS Wealth Strategies Group, LLC656$112.0K0.01%−182−21.7%Reduced
Parkside Financial Bank & Trust659$112.5K0.01%−41−5.9%Reduced
Plante Moran Financial Advisors, LLC661$112.8K0.01%00.0%Unchanged
Federated Hermes, Inc.686$117.1K0.00%+686New
HM Payson & Co705$120.4K0.00%+5+0.7%Added
Ci Investments Inc.710$121.0K0.00%−20−2.7%Reduced
Trust Co of Toledo NA720$122.9K0.01%00.0%Unchanged
Tompkins Financial Corp750$128.1K0.01%00.0%Unchanged
Missouri Trust & Investment Co800$136.6K0.04%−46−5.4%Reduced
Hilltop National Bank850$145.1K0.04%00.0%Unchanged
Financial Network Wealth Advisors LLC868$148.3K0.16%+71+8.9%Added
Pinnacle Bancorp, Inc.881$150.4K0.04%00.0%Unchanged
Acadian Asset Management LLC911$155.0K0.00%+911New
Hantz Financial Services, Inc.915$156.0K0.00%+109+13.5%Added
Aster Capital Management (DIFC) Ltd915$156.2K0.08%−1,557−63.0%Reduced
Godsey & Gibb Associates917$156.6K0.01%−100−9.8%Reduced
Ancora Advisors, LLC988$168.7K0.00%00.0%Unchanged
Inlight Wealth Management, LLC1,000$170.8K0.08%00.0%Unchanged
Rosenberg Matthew Hamilton1,039$177.4K0.04%00.0%Unchanged
Keystone Financial Group, Inc.1,123$191.8K0.11%+166+17.3%Added
MAI Capital Management1,126$192.3K0.00%−437−28.0%Reduced
Lummis Asset Management, LP1,128$192.6K0.13%00.0%Unchanged
Eagle Bay Advisors LLC1,184$202.2K0.16%−185−13.5%Reduced