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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, Q1 2026

Institutional positions in Atmos Energy Corp as of Mar 31, 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
1,020
+57 vs. Q4 2025
Shares held
160.0M
+21.2M (+15.3%) vs. Q4 2025
Total value
$29.6B
+$6.29B (+27.0%) vs. Q4 2025
New holders
142
409 more added
Sold out
85
305 more reduced

17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,020 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 heldQ1 2026: $29.6B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q4 2025.

Institutions holding ATO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Azimuth Capital Investment Management LLC1,425$263.2K0.01%00.0%Unchanged
Arkadios Wealth Advisors1,429$264.0K0.00%+21+1.5%Added
Belpointe Asset Management LLC1,444$266.7K0.01%00.0%Unchanged
Second Line Capital, LLC1,406$267.1K0.05%+3+0.2%Added
TFR Capital, LLC.1,448$267.5K0.08%+1,448New
BankChampaign, National Association1,452$268.2K0.27%+92+6.8%Added
SC&H Financial Advisors, Inc.1,455$268.8K0.04%00.0%Unchanged
Strategic Investment Advisors1,469$271.4K0.02%−106−6.7%Reduced
Steigerwald, Gordon & Koch Inc.1,471$271.7K0.03%00.0%Unchanged
Hantz Financial Services, Inc.1,474$272.0K0.00%+284+23.9%Added
Birch Capital Management, LLC1,476$272.6K0.14%−42−2.8%Reduced
Cullen Investment Group, Ltd.1,487$274.7K0.04%00.0%Unchanged
Harbour Capital Advisors, LLC1,510$275.6K0.05%−130−7.9%Reduced
Gsa Capital Partners LLP1,510$279.0K0.02%+1,510New
Advisors Capital Management, LLC1,511$279.3K0.00%+278+22.5%Added
AlTi Global, Inc.1,519$280.6K0.01%−13−0.8%Reduced
Sovran Advisors, LLC1,513$287.4K0.02%−70−4.4%Reduced
Burney Co1,560$288.2K0.01%+10+0.6%Added
Cigna Investments Inc1,567$290.0K0.05%00.0%Unchanged
Capstone Wealth Management Group LLC1,576$291.1K0.18%00.0%Unchanged
Phillips Wealth Planners LLC1,600$291.4K0.22%+1,600New
BTS Asset Management, Inc.1,581$292.1K1.13%+1,581New
Alpha Omega Wealth Management LLC1,591$293.9K0.05%−387−19.6%Reduced
Frec Markets, Inc.1,618$298.9K0.05%+337+26.3%Added
EP Wealth Advisors, LLC1,624$299.9K0.00%−686−29.7%Reduced
Daymark Wealth Partners, LLC1,627$300.5K0.01%+1,627New
Gateway Investment Advisers LLC1,633$301.6K0.00%−12,622−88.5%Reduced
Tobam1,636$302.0K0.08%00.0%Unchanged
Bull Harbor Capital LLC1,636$302.2K0.08%+1,636New
Advyzon Investment Management, LLC1,637$302.4K0.03%+1,637New
4J Wealth Management LLC1,643$303.5K0.17%−30−1.8%Reduced
Sound Financial Strategies Group, LLC1,649$304.6K0.21%−2,466−59.9%Reduced
Carnegie Capital Asset Management, LLC1,660$306.6K0.01%00.0%Unchanged
Leavell Investment Management, Inc.1,668$308.1K0.01%00.0%Unchanged
Dickmeyer Boyce Financial Management, Inc.1,669$308.3K0.18%+1,669New
Stock Yards Bank & Trust Co1,670$308.5K0.01%00.0%Unchanged
Perigon Wealth Management, LLC1,670$308.5K0.01%+470+39.2%Added
Smith Shellnut Wilson LLC1,686$311.4K0.14%−54−3.1%Reduced
TCG Advisory Services, LLC1,697$313.5K0.01%−609−26.4%Reduced
AG Asset Advisory, LLC1,700$314.0K0.26%00.0%Unchanged
Patten & Patten Inc1,702$314.4K0.02%00.0%Unchanged
Premier Path Wealth Partners, LLC1,703$314.6K0.04%−13−0.8%Reduced
Kiley Juergens Wealth Management, LLC1,705$314.9K0.06%+1,705New
IFP Advisors, Inc1,710$315.9K0.01%−328−16.1%Reduced
Fifth Third Wealth Advisors LLC1,710$315.9K0.01%+401+30.6%Added
Jackson Creek Investment Advisors LLC1,710$316.0K0.09%−4−0.2%Reduced
Atomi Financial Group, Inc.1,716$316.9K0.01%+62+3.7%Added
Prosperity Consulting Group, LLC1,716$317.0K0.01%+4+0.2%Added
Summit Financial, LLC1,732$320.0K0.00%−16−0.9%Reduced
Walleye Capital LLC1,749$323.1K0.00%−10,967−86.2%Reduced
AA Financial Advisors, LLC1,757$324.6K0.05%+136+8.4%Added
Csenge Advisory Group1,761$325.4K0.01%+256+17.0%Added
Savant Capital, LLC1,776$328.1K0.00%+281+18.8%Added
We Are One Seven, LLC1,777$328.4K0.01%+263+17.4%Added
Scissortail Wealth Management, LLC1,780$328.8K0.07%00.0%Unchanged
Leo Wealth, LLC1,793$331.3K0.02%+217+13.8%Added
BLB&B Advisors, LLC1,815$335.3K0.01%−811−30.9%Reduced
Sagespring Wealth Partners, LLC1,817$335.6K0.01%−478−20.8%Reduced
Farringdon Capital, Ltd.1,819$336.0K0.07%+1,819New
Chilton Capital Management LLC1,824$336.9K0.01%00.0%Unchanged
Checchi Capital Advisers, LLC1,830$338.0K0.02%+251+15.9%Added
Pinnacle West Asset Management, Inc.1,845$341.0K0.23%−140−7.1%Reduced
Kingswood Wealth Advisors, LLC1,848$341.3K0.02%−142−7.1%Reduced
Walleye Trading LLC1,860$343.6K0.01%−385−17.1%Reduced
EFG International AG1,866$344.7K0.01%+1+0.1%Added
Oxford Financial Group Ltd1,882$347.6K0.02%−199−9.6%Reduced
FSM Wealth Advisors, LLC1,889$348.9K0.04%+25+1.3%Added
Kera Capital Partners, Inc.1,890$349.1K0.04%+292+18.3%Added
Central Trust Co1,894$349.9K0.01%+31+1.7%Added
Nomura Asset Management International Inc.1,900$351.0K0.00%00.0%Unchanged
Cary Street Partner Investment Advisory LLC1,904$351.7K0.09%−40−2.1%Reduced
Wesbanco Bank Inc1,905$351.9K0.01%−109−5.4%Reduced
Lifeworks Advisors, LLC1,919$354.4K0.05%+1,919New
Voloridge Investment Management, LLC1,921$354.8K0.00%+1,921New
Sunbelt Securities, Inc.1,924$355.3K0.02%+19+1.0%Added
RFG Holdings, Inc.1,924$355.5K0.09%+8+0.4%Added
PAX Financial Group, LLC1,927$356.0K0.06%−802−29.4%Reduced
Stephens Inc1,932$356.9K0.00%−509−20.9%Reduced
IMC-Chicago, LLC1,936$357.6K0.01%+1,936New
Souders Financial Advisors1,937$357.8K0.04%+539+38.6%Added
Redmond Asset Management, LLC1,950$360.2K0.10%−25−1.3%Reduced
Schnieders Capital Management, LLC.1,950$360.2K0.06%−25−1.3%Reduced
Waddell & Associates, LLC1,966$363.2K0.02%+1,966New
Tributary Capital Management, LLC1,995$368.5K0.04%+290+17.0%Added
Sovereign Investment Advisors, LLC2,006$370.5K0.08%+2,006New
CX Institutional2,014$372.0K0.01%−6,424−76.1%Reduced
Portside Wealth Group, LLC2,058$380.2K0.05%−455−18.1%Reduced
NewEdge Wealth, LLC2,091$386.2K0.00%−1,207−36.6%Reduced
Gleason Group, Inc.2,122$391.9K0.04%+12+0.6%Added
Turtle Creek Wealth Advisors, LLC2,129$393.3K0.03%+7+0.3%Added
Independent Wealth Network Inc.2,134$394.2K0.12%−36−1.7%Reduced
GTS Securities LLC2,139$395.1K0.01%+570+36.3%Added
Signature Estate & Investment Advisors LLC2,144$396.0K0.01%+719+50.5%Added
CMG Global Holdings, LLC2,175$401.8K0.19%00.0%Unchanged
IHT Wealth Management, LLC2,179$402.5K0.01%+26+1.2%Added
PFG Investments, LLC2,200$406.4K0.02%+14+0.6%Added
Argent Trust Co2,209$408.0K0.01%−82−3.6%Reduced
BNP Paribas2,222$410.4K0.01%00.0%Unchanged
Fulton Breakefield Broenniman LLC2,227$411.4K0.03%00.0%Unchanged
TruWealth Advisors, LLC2,231$412.1K0.02%00.0%Unchanged