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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 2026

Institutional positions in Atmos Energy Corp as of Jun 30, 2026. 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
1,044
+36 vs. Q1 2026
Shares held
162.7M
+2.70M (+1.7%) vs. Q1 2026
Total value
$28.0B
−$1.52B (−5.1%) vs. Q1 2026
New holders
132
416 more added
Sold out
96
344 more reduced

12 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,044 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 2026: $28.0B
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 2026

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q1 2026.

Institutions holding ATO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Resurgent Financial Advisors LLC1,228$211.5K0.06%+1,228New
Voleon Capital Management LP1,224$210.9K0.00%+1,224New
Wedmont Private Capital1,196$210.7K0.01%+55+4.8%Added
Fidelis Capital Partners, LLC1,223$210.7K0.01%−29−2.3%Reduced
Kathmere Capital Management, LLC1,220$210.2K0.01%+1,220New
Graham Capital Management, L.P.1,218$209.8K0.01%−2,775−69.5%Reduced
RIA Advisory Group LLC1,211$208.7K0.05%+19+1.6%Added
Regent Peak Wealth Advisors LLC1,208$208.1K0.04%+38+3.2%Added
Associated Banc-Corp1,204$207.4K0.00%00.0%Unchanged
Carbahal Olsen Financial Services Group, LLC1,200$206.7K0.14%00.0%Unchanged
Evergreen Wealth Partners LLC1,196$206.1K0.12%+7+0.6%Added
Oslo Pensjonsforsikring AS1,178$202.9K0.02%+800+211.6%Added
Ameritas Advisory Services, LLC1,171$201.7K0.00%−5,411−82.2%Reduced
Prelude Capital Management, LLC1,171$201.7K0.01%+1,171New
Optimize Financial Inc1,168$201.2K0.07%−4−0.3%Reduced
Sound Capital Solutions LLC1,168$201.2K0.05%+1,168New
Abel Hall, LLC1,163$200.3K0.03%+1,163New
Investment Research Partners LLC1,163$200.3K0.07%+1,163New
Keystone Financial Group, Inc.1,143$196.9K0.10%+7+0.6%Added
Lummis Asset Management, LP1,128$194.3K0.12%00.0%Unchanged
Versant Capital Management, Inc1,119$192.8K0.02%+66+6.3%Added
Parkside Financial Bank & Trust1,046$180.2K0.01%−61−5.5%Reduced
Rosenberg Matthew Hamilton1,039$179.0K0.03%00.0%Unchanged
Virtus ETF Advisers LLC1,013$174.5K0.07%−37−3.5%Reduced
Essential Partners LLC999$172.1K0.08%+891+825.0%Added
MidFirst Bank991$170.7K0.01%−21−2.1%Reduced
Smithfield Trust Co914$157.0K0.01%00.0%Unchanged
Rothschild Investment LLC889$153.1K0.01%−55−5.8%Reduced
Pinnacle Bancorp, Inc.881$151.8K0.04%00.0%Unchanged
Ancora Advisors, LLC816$140.6K0.00%−267−24.7%Reduced
Tiaa Trust, National Association800$137.8K0.01%00.0%Unchanged
Tompkins Financial Corp750$129.2K0.01%00.0%Unchanged
Hilltop National Bank750$129.2K0.03%00.0%Unchanged
Trust Co of Toledo NA720$124.0K0.01%00.0%Unchanged
BankPlus Trust Department700$120.6K0.03%−142−16.9%Reduced
HM Payson & Co700$120.6K0.00%00.0%Unchanged
Financial Network Wealth Advisors LLC683$117.6K0.12%−122−15.2%Reduced
Geneos Wealth Management Inc.682$117.5K0.00%+215+46.0%Added
Wellington-Altus USA Inc.634$117.1K0.08%00.0%Unchanged
Clark Wealth Partners657$113.1K0.06%+540+461.5%Added
Vanguard National Trust Co580$99.9K0.01%+475+452.4%Added
Cary Street Partners Financial LLC575$99.1K0.00%−5−0.9%Reduced
Colonial Trust Advisors568$97.8K0.01%00.0%Unchanged
Armstrong Advisory Group, Inc527$90.8K0.01%00.0%Unchanged
Massmutual Trust Co FSB523$90.1K0.00%−2−0.4%Reduced
Godsey & Gibb Associates522$89.9K0.01%−105−16.7%Reduced
Peterson Wealth Management520$89.5K0.04%+4+0.8%Added
Livforsakringsbolaget Skandia, Omsesidigt500$86.1K0.00%+400+400.0%Added
Wall Street Access Asset Management, LLC498$85.8K0.01%−2−0.4%Reduced
RMG Wealth Management LLC501$85.0K0.01%00.0%Unchanged
Cromwell Holdings LLC490$84.4K0.04%+32+7.0%Added
Westside Investment Management, Inc.477$82.2K0.01%00.0%Unchanged
Quent Capital, LLC461$79.5K0.00%−356−43.6%Reduced
Onefund, LLC455$78.4K0.04%+13+2.9%Added
Contravisory Investment Management, Inc.443$76.3K0.01%−77−14.8%Reduced
IFG Advisory, LLC410$70.6K0.00%+410New
Walleye Capital LLC404$69.6K0.00%−1,345−76.9%Reduced
Bruce G. Allen Investments, LLC390$67.2K0.04%00.0%Unchanged
Transamerica Financial Advisors, Inc.350$60.4K0.01%+131+59.8%Added
PFS Partners, LLC350$60.3K0.02%00.0%Unchanged
Cape Investment Advisory, Inc.332$57.2K0.02%+332New
Deseret Mutual Benefit Administrators305$52.5K0.02%−7−2.2%Reduced
Medallion Wealth Advisors, LLC300$51.7K0.02%00.0%Unchanged
Lloyd Advisory Services, LLC.299$51.5K0.02%+89+42.4%Added
Prosperity Bancshares Inc296$51.0K0.03%00.0%Unchanged
Colonial Trust Co289$49.8K0.01%−11−3.7%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA285$49.1K0.01%+105+58.3%Added
TD Private Client Wealth LLC276$47.5K0.00%+59+27.2%Added
Beacon Investment Advisory Services, Inc.271$46.7K0.00%+17+6.7%Added
Zions Bancorporation, National Association267$46.0K0.00%+26+10.8%Added
Keating Financial Advisory Services, Inc.253$43.6K0.01%+48+23.4%Added
Cetera Trust Company, N.A250$43.1K0.02%00.0%Unchanged
SJS Investment Consulting Inc.249$42.9K0.00%−38−13.2%Reduced
True Wealth Design, LLC241$41.5K0.01%+140+138.6%Added
Kingdom Financial Group LLC.230$39.7K0.01%+20+9.5%Added
Harel Insurance Investments & Financial Services Ltd.229$39.0K0.00%+27+13.4%Added
Bryn Mawr Trust Co221$38.1K0.00%+1+0.5%Added
CVA Family Office, LLC216$37.2K0.00%−62−22.3%Reduced
SBI Securities Co., Ltd.214$36.9K0.00%−68−24.1%Reduced
Paladin Partners, LLC213$36.7K0.02%00.0%Unchanged
First National Bank205$35.3K0.01%+205New
St Germain D J Co Inc200$34.5K0.00%−8−3.8%Reduced
First Financial Corp200$34.5K0.01%00.0%Unchanged
Noble Wealth Management PBC200$34.5K0.02%00.0%Unchanged
Delta Asset Management LLC199$34.3K0.00%00.0%Unchanged
Elevated Capital Advisors, LLC193$33.2K0.01%+1+0.5%Added
Hickory Point Bank & Trust192$33.1K0.02%00.0%Unchanged
Covestor Ltd194$33.0K0.02%+118+155.3%Added
Private Trust Co NA186$32.0K0.00%−145−43.8%Reduced
Hollencrest Capital Management183$31.5K0.00%00.0%Unchanged
Ogorek Anthony Joseph177$30.0K0.01%00.0%Unchanged
Princeton Global Asset Management LLC174$30.0K0.00%−2−1.1%Reduced
Wealth Enhancement Trust Services, Inc.167$28.8K0.00%+56+50.5%Added
ZRC Wealth Management, LLC160$27.6K0.01%+138+627.3%Added
JFS Wealth Advisors, LLC158$27.2K0.00%+7+4.6%Added
NBC Securities, Inc.155$26.7K0.00%−141−47.6%Reduced
Hanson & Doremus Investment Management150$26.0K0.00%00.0%Unchanged
Caldwell Trust Co148$25.5K0.00%−147−49.8%Reduced
Frazier Financial Advisors, LLC147$25.3K0.01%00.0%Unchanged
Continuum Advisory, LLC147$25.3K0.00%+147New