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Livermore
Livermore
ZHEN

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
Capstone Wealth Management Group LLC1,576$291.1K0.18%00.0%Unchanged
Cigna Investments Inc1,567$290.0K0.05%00.0%Unchanged
Burney Co1,560$288.2K0.01%+10+0.6%Added
Sovran Advisors, LLC1,513$287.4K0.02%−70−4.4%Reduced
AlTi Global, Inc.1,519$280.6K0.01%−13−0.8%Reduced
Advisors Capital Management, LLC1,511$279.3K0.00%+278+22.5%Added
Gsa Capital Partners LLP1,510$279.0K0.02%+1,510New
Harbour Capital Advisors, LLC1,510$275.6K0.05%−130−7.9%Reduced
Cullen Investment Group, Ltd.1,487$274.7K0.04%00.0%Unchanged
Birch Capital Management, LLC1,476$272.6K0.14%−42−2.8%Reduced
Hantz Financial Services, Inc.1,474$272.0K0.00%+284+23.9%Added
Steigerwald, Gordon & Koch Inc.1,471$271.7K0.03%00.0%Unchanged
Strategic Investment Advisors1,469$271.4K0.02%−106−6.7%Reduced
SC&H Financial Advisors, Inc.1,455$268.8K0.04%00.0%Unchanged
BankChampaign, National Association1,452$268.2K0.27%+92+6.8%Added
TFR Capital, LLC.1,448$267.5K0.08%+1,448New
Second Line Capital, LLC1,406$267.1K0.05%+3+0.2%Added
Belpointe Asset Management LLC1,444$266.7K0.01%00.0%Unchanged
Arkadios Wealth Advisors1,429$264.0K0.00%+21+1.5%Added
Azimuth Capital Investment Management LLC1,425$263.2K0.01%00.0%Unchanged
Avantax Planning Partners, Inc.1,420$262.3K0.01%00.0%Unchanged
Peachtree Investment Partners, LLC1,417$261.7K0.10%+203+16.7%Added
Gradient Investments LLC1,416$261.6K0.00%00.0%Unchanged
CIBC World Markets Inc.1,406$259.7K0.00%+1,406New
Marshall Financial Group LLC1,405$259.5K0.04%−1,496−51.6%Reduced
Trueblood Wealth Management, LLC1,404$259.3K0.10%+1,404New
Koshinski Asset Management, Inc.1,392$257.1K0.02%+1,392New
South State Corp.1,388$256.4K0.01%−5−0.4%Reduced
Texas Capital Bank Wealth Management Services Inc1,385$255.8K0.02%+9+0.7%Added
Wealthcare Advisory Partners LLC1,383$255.5K0.00%+184+15.3%Added
Financial Security Advisor, Inc.1,382$255.4K0.05%+7+0.5%Added
Guardian Wealth Advisors, LLC1,381$255.1K0.02%−14−1.0%Reduced
Prime Capital Investment Advisors, LLC1,364$252.0K0.00%+84+6.6%Added
Symphony Financial, Ltd. Co.1,373$252.0K0.03%+1,373New
Ashton Thomas Securities, LLC1,364$252.0K0.03%−21−1.5%Reduced
Roehl & Yi Investment Advisors, LLC1,360$251.2K0.09%+1,360New
Councilmark Asset Management, LLC1,355$250.3K0.14%00.0%Unchanged
Teamwork Financial Advisors, LLC1,346$248.6K0.03%00.0%Unchanged
Trust Point Inc.1,343$248.1K0.02%+11+0.8%Added
Marble Harbor Investment Counsel, LLC1,333$246.2K0.03%00.0%Unchanged
Snowden Capital Advisors LLC1,317$243.3K0.01%−514−28.1%Reduced
Resources Investment Advisors, LLC.1,311$242.2K0.00%−299−18.6%Reduced
Dynamic Technology Lab Private Ltd1,310$242.0K0.04%−415−24.1%Reduced
Lee Danner & Bass Inc1,304$240.9K0.02%00.0%Unchanged
SeaCrest Wealth Management, LLC1,303$240.7K0.03%−9−0.7%Reduced
Change Path, LLC1,301$240.3K0.01%+1,301New
Waters Parkerson & Co., LLC1,300$240.1K0.01%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.1,292$238.7K0.00%+1,292New
Motco1,290$238.3K0.02%00.0%Unchanged
Stratos Wealth Advisors, LLC1,281$236.7K0.01%−169−11.7%Reduced
RiverFront Investment Group, LLC1,274$235.3K0.00%+1,274New
Teza Capital Management LLC1,264$233.5K0.85%+1,264New
Williamson Legacy Group, LLC1,262$233.1K0.17%−293−18.8%Reduced
AlphaGrep UK Ltd1,261$232.9K0.07%+1,261New
Tradition Wealth Management, LLC1,256$232.0K0.02%−2−0.2%Reduced
Tocqueville Asset Management L.P.1,254$231.6K0.00%00.0%Unchanged
Fidelis Capital Partners, LLC1,252$231.3K0.02%+1,252New
Camden Capital, LLC1,251$231.1K0.02%+1,251New
Woodmont Investment Counsel LLC1,246$230.2K0.01%00.0%Unchanged
One Wealth Capital Management, LLC1,213$227.0K0.10%−883−42.1%Reduced
AlphaCore Capital LLC1,228$226.8K0.01%−10−0.8%Reduced
FIL Ltd1,224$226.1K0.00%−140−10.3%Reduced
Associated Banc-Corp1,204$222.4K0.01%−169−12.3%Reduced
Carbahal Olsen Financial Services Group, LLC1,200$221.7K0.18%00.0%Unchanged
CAPROCK Group, Inc.1,192$220.2K0.01%−2,594−68.5%Reduced
RIA Advisory Group LLC1,192$220.1K0.05%+1,192New
Evergreen Wealth Partners LLC1,189$219.7K0.17%+1,189New
PCM Encore, LLC1,189$219.6K0.05%+1,189New
Howe & Rusling Inc1,180$218.0K0.01%+1,180New
Plan A Wealth LLC1,174$216.9K0.10%+1,174New
Optimize Financial Inc1,172$216.5K0.11%−365−23.7%Reduced
Patton Albertson Miller Group, LLC1,172$216.5K0.03%−79−6.3%Reduced
Wedmont Private Capital1,141$216.4K0.01%+1,141New
Regent Peak Wealth Advisors LLC1,170$216.1K0.04%+1,170New
Angeles Wealth Management, LLC1,148$212.1K0.01%+1,148New
Schmidt P J Investment Management Inc1,143$211.1K0.04%+1,143New
Keystone Financial Group, Inc.1,136$209.8K0.11%+6+0.5%Added
Colony Family Offices, LLC1,135$209.7K0.05%+1,135New
Modern Wealth Management, LLC1,130$209.6K0.00%−162−12.5%Reduced
Savvy Advisors, Inc.1,131$208.9K0.01%+1,131New
JB Capital LLC1,129$208.6K0.01%+1,129New
Lummis Asset Management, LP1,128$208.4K0.12%00.0%Unchanged
CWA Asset Management Group, LLC1,127$208.2K0.01%+1,127New
Heritage Trust Co1,114$205.8K0.02%−250−18.3%Reduced
DV Trading LLC1,111$205.2K0.02%+911+455.5%Added
Parkside Financial Bank & Trust1,107$204.6K0.02%+282+34.2%Added
Carter Financial Group, INC.1,106$204.4K0.13%+1,106New
FSA Advisors, Inc.1,094$202.0K0.13%+1,094New
Maridea Wealth Management LLC1,091$201.5K0.03%+1,091New
Supplemental Annuity Collective Trust of NJ1,087$200.8K0.06%+1,087New
Ancora Advisors, LLC1,083$200.1K0.00%+44+4.2%Added
Versant Capital Management, Inc1,053$194.5K0.02%+506+92.5%Added
Virtus ETF Advisers LLC1,050$194.0K0.09%−222−17.5%Reduced
Rosenberg Matthew Hamilton1,039$191.9K0.04%00.0%Unchanged
MidFirst Bank1,012$186.9K0.02%−25−2.4%Reduced
Rothschild Investment LLC944$174.4K0.01%+829+720.9%Added
Smithfield Trust Co914$169.0K0.01%+349+61.8%Added
Pinnacle Bancorp, Inc.881$162.7K0.05%00.0%Unchanged
BankPlus Trust Department842$155.5K0.04%00.0%Unchanged
Banque Cantonale Vaudoise832$154.0K0.01%+832New