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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 2025

Institutional positions in Atmos Energy Corp as of Jun 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
871
+22 vs. Q1 2025
Shares held
160.5M
+2.59M (+1.6%) vs. Q1 2025
Total value
$24.7B
+$317.9M (+1.3%) vs. Q1 2025
New holders
96
372 more added
Sold out
74
270 more reduced

12 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 871 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 2025: $24.7B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q1 2025.

Institutions holding ATO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Parkside Financial Bank & Trust700$107.9K0.01%+1+0.1%Added
HM Payson & Co700$107.9K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC661$101.8K0.01%−100−13.1%Reduced
Geneos Wealth Management Inc.579$89.3K0.00%00.0%Unchanged
Colonial Trust Advisors568$87.5K0.01%00.0%Unchanged
Smithfield Trust Co565$87.0K0.00%00.0%Unchanged
S.A. Mason LLC545$84.0K0.04%+2+0.4%Added
PFS Partners, LLC500$77.1K0.04%00.0%Unchanged
Armstrong Advisory Group, Inc500$77.1K0.01%00.0%Unchanged
Beacon Capital Management, LLC470$72.4K0.01%+1+0.2%Added
MUFG Securities EMEA plc468$72.1K0.00%+468New
RMG Wealth Management LLC452$70.8K0.01%+452New
Cromwell Holdings LLC458$70.6K0.04%+12+2.7%Added
Cary Street Partners Financial LLC458$70.6K0.00%+34+8.0%Added
Opal Wealth Advisors, LLC450$69.3K0.02%+450New
Smartleaf Asset Management LLC451$68.9K0.01%−224−33.2%Reduced
AdvisorNet Financial, Inc440$67.8K0.00%−103−19.0%Reduced
Versant Capital Management, Inc433$66.7K0.01%00.0%Unchanged
Sentry Investment Management LLC428$65.0K0.04%00.0%Unchanged
Bruce G. Allen Investments, LLC418$64.4K0.05%+3+0.7%Added
Ameritas Advisory Services, LLC397$61.1K0.00%+397New
Onefund, LLC395$61.0K0.04%+395New
Zions Bancorporation, National Association388$59.8K0.00%+7+1.8%Added
Bank of New Hampshire375$57.8K0.01%00.0%Unchanged
Private Trust Co NA373$57.5K0.01%−5−1.3%Reduced
Westside Investment Management, Inc.372$57.3K0.01%+72+24.0%Added
Proffitt & Goodson Inc367$56.6K0.01%00.0%Unchanged
Bogart Wealth, LLC339$52.2K0.00%+336+11,200.0%Added
South Plains Financial, Inc.332$51.2K0.04%00.0%Unchanged
Aventura Private Wealth, LLC315$48.5K0.02%+310+6,200.0%Added
Colonial Trust Co300$46.2K0.01%−19−6.0%Reduced
Cetera Trust Company, N.A300$46.2K0.03%00.0%Unchanged
Medallion Wealth Advisors, LLC300$46.2K0.02%00.0%Unchanged
St Germain D J Co Inc300$46.2K0.00%+100+50.0%Added
WFA of San Diego, LLC300$46.2K0.03%+300New
Clearstead Advisors, LLC259$39.9K0.00%+129+99.2%Added
American National Bank250$38.5K0.00%00.0%Unchanged
Harvest Fund Management Co., Ltd243$37.0K0.00%−2,178−90.0%Reduced
Annis Gardner Whiting Capital Advisors, LLC231$35.6K0.01%+112+94.1%Added
First Horizon Advisors, Inc.220$34.0K0.00%+54+32.5%Added
Massmutual Trust Co FSB214$33.0K0.00%+52+32.1%Added
Pin Oak Investment Advisors Inc210$32.0K0.03%00.0%Unchanged
Hemington Wealth Management204$31.0K0.00%+9+4.6%Added
Cullen/Frost Bankers, Inc.200$30.8K0.00%−75−27.3%Reduced
First Financial Corp200$30.8K0.01%00.0%Unchanged
Delta Asset Management LLC199$30.7K0.00%00.0%Unchanged
CBIZ Investment Advisory Services, LLC196$30.2K0.00%00.0%Unchanged
Redmont Wealth Advisors LLC191$29.4K0.04%+145+315.2%Added
Hollencrest Capital Management183$28.2K0.00%00.0%Unchanged
Deseret Mutual Benefit Administrators183$28.2K0.01%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA170$26.2K0.01%+120+240.0%Added
Semmax Financial Advisors Inc.154$25.3K0.01%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC146$24.2K0.01%+146New
Painted Porch Advisors LLC150$23.1K0.01%00.0%Unchanged
Hanson & Doremus Investment Management150$23.0K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC147$22.7K0.02%+147New
TD Private Client Wealth LLC147$22.7K0.00%+1+0.7%Added
Anfield Capital Management, LLC144$22.2K0.01%+144New
SRS Capital Advisors, Inc.129$22.0K0.00%−214−62.4%Reduced
Ogorek Anthony Joseph149$22.0K0.01%00.0%Unchanged
MV Capital Management, Inc.138$21.3K0.00%−13−8.6%Reduced
CVA Family Office, LLC128$19.7K0.00%−31−19.5%Reduced
NBT Bank N A122$18.8K0.00%00.0%Unchanged
Centennial Bank122$18.8K0.01%00.0%Unchanged
Roble, Belko & Company, Inc120$18.0K0.00%00.0%Unchanged
GeoWealth Management, LLC112$17.3K0.00%+2+1.8%Added
Citizens National Bank Trust Department110$17.0K0.00%00.0%Unchanged
Vermillion & White Wealth Management Group, LLC108$16.7K0.01%00.0%Unchanged
Clear Street Markets LLC106$16.3K0.01%+106New
Clark Wealth Partners105$16.1K0.01%+1+1.0%Added
Oakworth Capital, Inc.102$15.7K0.00%−15−12.8%Reduced
Ransom Advisory, Ltd100$15.4K0.01%00.0%Unchanged
Farmers & Merchants Investments Inc100$15.4K0.00%+4+4.2%Added
Livforsakringsbolaget Skandia, Omsesidigt100$15.4K0.00%00.0%Unchanged
GW&K Investment Management, LLC97$15.0K0.00%+10+11.5%Added
Fortitude Family Office, LLC94$14.5K0.00%−82−46.6%Reduced
SBI Securities Co., Ltd.93$14.3K0.00%+55+144.7%Added
DT Investment Partners, LLC92$14.2K0.00%00.0%Unchanged
Leonteq Securities AG91$14.0K0.00%−52−36.4%Reduced
Caitong International Asset Management Co., Ltd91$14.0K0.01%+91New
Richardson Capital Management LLC90$13.9K0.01%00.0%Unchanged
Murphy & Mullick Capital Management Corp87$13.6K0.01%00.0%Unchanged
Harbor Investment Advisory, LLC86$13.3K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC85$13.1K0.00%+7+9.0%Added
Solstein Capital, LLC84$12.9K0.01%+84New
Raleigh Capital Management Inc.80$12.3K0.01%−30−27.3%Reduced
Private Wealth Asset Management, LLC79$12.2K0.00%−11−12.2%Reduced
Financial Management Professionals, Inc.74$11.4K0.00%00.0%Unchanged
Key Financial Inc74$11.4K0.00%00.0%Unchanged
Park Square Financial Group, LLC74$11.4K0.01%+16+27.6%Added
Capital Analysts, LLC70$11.0K0.00%00.0%Unchanged
Coston, McIsaac & Partners73$11.0K0.00%00.0%Unchanged
Bayforest Capital Ltd70$10.8K0.00%+70New
Glen Eagle Advisors, LLC70$10.8K0.00%00.0%Unchanged
Financially Speaking Inc62$9.60K0.01%+62New
Private Wealth Management Group, LLC62$9.55K0.00%00.0%Unchanged
Group One Trading, L.P.61$9.40K0.00%−1,698−96.5%Reduced
Bell Investment Advisors, Inc61$9.40K0.00%00.0%Unchanged
Montag A & Associates Inc61$9.34K0.00%+12+24.5%Added
Rothschild Investment LLC55$8.48K0.00%−5−8.3%Reduced