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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
Armstrong Advisory Group, Inc527$90.8K0.01%00.0%Unchanged
Colonial Trust Advisors568$97.8K0.01%00.0%Unchanged
Cary Street Partners Financial LLC575$99.1K0.00%−5−0.9%Reduced
Vanguard National Trust Co580$99.9K0.01%+475+452.4%Added
Clark Wealth Partners657$113.1K0.06%+540+461.5%Added
Wellington-Altus USA Inc.634$117.1K0.08%00.0%Unchanged
Geneos Wealth Management Inc.682$117.5K0.00%+215+46.0%Added
Financial Network Wealth Advisors LLC683$117.6K0.12%−122−15.2%Reduced
BankPlus Trust Department700$120.6K0.03%−142−16.9%Reduced
HM Payson & Co700$120.6K0.00%00.0%Unchanged
Trust Co of Toledo NA720$124.0K0.01%00.0%Unchanged
Tompkins Financial Corp750$129.2K0.01%00.0%Unchanged
Hilltop National Bank750$129.2K0.03%00.0%Unchanged
Tiaa Trust, National Association800$137.8K0.01%00.0%Unchanged
Ancora Advisors, LLC816$140.6K0.00%−267−24.7%Reduced
Pinnacle Bancorp, Inc.881$151.8K0.04%00.0%Unchanged
Rothschild Investment LLC889$153.1K0.01%−55−5.8%Reduced
Smithfield Trust Co914$157.0K0.01%00.0%Unchanged
MidFirst Bank991$170.7K0.01%−21−2.1%Reduced
Essential Partners LLC999$172.1K0.08%+891+825.0%Added
Virtus ETF Advisers LLC1,013$174.5K0.07%−37−3.5%Reduced
Rosenberg Matthew Hamilton1,039$179.0K0.03%00.0%Unchanged
Parkside Financial Bank & Trust1,046$180.2K0.01%−61−5.5%Reduced
Versant Capital Management, Inc1,119$192.8K0.02%+66+6.3%Added
Lummis Asset Management, LP1,128$194.3K0.12%00.0%Unchanged
Keystone Financial Group, Inc.1,143$196.9K0.10%+7+0.6%Added
Abel Hall, LLC1,163$200.3K0.03%+1,163New
Investment Research Partners LLC1,163$200.3K0.07%+1,163New
Optimize Financial Inc1,168$201.2K0.07%−4−0.3%Reduced
Sound Capital Solutions LLC1,168$201.2K0.05%+1,168New
Prelude Capital Management, LLC1,171$201.7K0.01%+1,171New
Ameritas Advisory Services, LLC1,171$201.7K0.00%−5,411−82.2%Reduced
Oslo Pensjonsforsikring AS1,178$202.9K0.02%+800+211.6%Added
Evergreen Wealth Partners LLC1,196$206.1K0.12%+7+0.6%Added
Carbahal Olsen Financial Services Group, LLC1,200$206.7K0.14%00.0%Unchanged
Associated Banc-Corp1,204$207.4K0.00%00.0%Unchanged
Regent Peak Wealth Advisors LLC1,208$208.1K0.04%+38+3.2%Added
RIA Advisory Group LLC1,211$208.7K0.05%+19+1.6%Added
Graham Capital Management, L.P.1,218$209.8K0.01%−2,775−69.5%Reduced
Kathmere Capital Management, LLC1,220$210.2K0.01%+1,220New
Fidelis Capital Partners, LLC1,223$210.7K0.01%−29−2.3%Reduced
Wedmont Private Capital1,196$210.7K0.01%+55+4.8%Added
Voleon Capital Management LP1,224$210.9K0.00%+1,224New
Resurgent Financial Advisors LLC1,228$211.5K0.06%+1,228New
Plan A Wealth LLC1,231$212.1K0.09%+57+4.9%Added
Prime Capital Investment Advisors, LLC1,236$213.0K0.00%−128−9.4%Reduced
Woodmont Investment Counsel LLC1,246$214.6K0.01%00.0%Unchanged
Tocqueville Asset Management L.P.1,254$216.0K0.00%00.0%Unchanged
Summit Financial Wealth Advisors, LLC1,262$217.4K0.03%+1,262New
Tradition Wealth Management, LLC1,272$219.2K0.01%+16+1.3%Added
Mainsail Asset Management, LLC1,235$219.4K0.09%+1,235New
J. Team Financial, Inc.1,280$220.6K0.21%+1,280New
CWA Asset Management Group, LLC1,282$220.9K0.01%+155+13.8%Added
Crestwood Advisors Group LLC1,283$221.0K0.00%+1,283New
SeaCrest Wealth Management, LLC1,287$221.7K0.02%−16−1.2%Reduced
Marble Harbor Investment Counsel, LLC1,290$222.2K0.02%−43−3.2%Reduced
Stratos Wealth Advisors, LLC1,292$222.7K0.01%+11+0.9%Added
AlTi Global, Inc.1,295$223.1K0.00%−224−14.7%Reduced
Waters Parkerson & Co., LLC1,300$224.0K0.01%00.0%Unchanged
Lee Danner & Bass Inc1,304$224.6K0.01%00.0%Unchanged
Koshinski Asset Management, Inc.1,305$224.8K0.01%−87−6.3%Reduced
Teamwork Financial Advisors, LLC1,346$231.9K0.02%00.0%Unchanged
Councilmark Asset Management, LLC1,355$233.4K0.12%00.0%Unchanged
Farringdon Capital, Ltd.1,358$233.9K0.12%−461−25.3%Reduced
Roehl & Yi Investment Advisors, LLC1,360$234.3K0.08%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.1,361$234.5K0.00%+69+5.3%Added
Texas Capital Bank Wealth Management Services Inc1,377$237.2K0.01%−8−0.6%Reduced
Guardian Wealth Advisors, LLC1,386$238.8K0.01%+5+0.4%Added
South State Corp.1,392$239.8K0.01%+4+0.3%Added
DV Trading LLC1,400$241.2K0.02%+289+26.0%Added
Second Line Capital, LLC1,403$241.7K0.05%−3−0.2%Reduced
71 West Capital Partners1,406$242.2K0.01%+1,406New
Strategic Investment Advisors1,412$243.3K0.01%−57−3.9%Reduced
Anchyra Partners LLC1,444$248.8K0.06%−879−37.8%Reduced
Belpointe Asset Management LLC1,444$248.8K0.01%00.0%Unchanged
SC&H Financial Advisors, Inc.1,455$250.7K0.03%00.0%Unchanged
Howe & Rusling Inc1,457$251.0K0.01%+277+23.5%Added
Curated Wealth Partners LLC1,470$253.2K0.03%+1,470New
Steigerwald, Gordon & Koch Inc.1,471$253.4K0.03%00.0%Unchanged
RiverFront Investment Group, LLC1,474$253.9K0.00%+200+15.7%Added
Birch Capital Management, LLC1,476$254.3K0.12%00.0%Unchanged
QTR Family Wealth, LLC1,484$255.7K0.09%+1,484New
Cullen Investment Group, Ltd.1,487$256.1K0.03%00.0%Unchanged
Advisors Capital Management, LLC1,494$257.5K0.00%−17−1.1%Reduced
Gradient Investments LLC1,503$258.9K0.00%+87+6.1%Added
Hantz Financial Services, Inc.1,509$260.0K0.00%+35+2.4%Added
Soltis Investment Advisors LLC1,514$260.8K0.02%+1,514New
Simplex Trading, LLC1,521$262.0K0.01%+1,521New
Azimuth Capital Investment Management LLC1,525$262.7K0.01%+100+7.0%Added
Alpha Omega Wealth Management LLC1,529$263.4K0.04%−62−3.9%Reduced
Ashton Thomas Private Wealth, LLC1,533$264.1K0.01%−4,575−74.9%Reduced
Burney Co1,550$267.0K0.01%−10−0.6%Reduced
Checchi Capital Advisers, LLC1,557$268.2K0.02%−273−14.9%Reduced
Sovran Advisors, LLC1,498$268.7K0.02%−15−1.0%Reduced
Cigna Investments Inc1,567$270.0K0.04%00.0%Unchanged
Dickmeyer Boyce Financial Management, Inc.1,570$270.4K0.14%−99−5.9%Reduced
Equitable Holdings, Inc.1,586$273.2K0.00%+1,586New
Gateway Investment Advisers LLC1,591$274.1K0.00%−42−2.6%Reduced
4J Wealth Management LLC1,593$274.4K0.13%−50−3.0%Reduced
Jackson Creek Investment Advisors LLC1,593$275.0K0.09%−117−6.8%Reduced