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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.

Q4 2025 vs. Q3 2025

How the institutions holding Atmos Energy Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of ATO: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders91213980+81
Shares159.6M133.5K162.1M+2.64M (+1.7%)
Value$27.2B$22.8M$27.2B−$53.9M (−0.2%)

13 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (144)

Institutions that held Atmos Energy Corp at the end of Q4 2025 but not at the end of Q3 2025.

Showing the largest 100 of 144 by value.

Institutions new to ATO in Q4 2025
InstitutionSharesValue% of portfolio
Norges Bank1,977,131$331.4M0.04%
PFA Pension, Forsikringsaktieselskab639,039$107.7M0.31%
Munich Reinsurance Co Stock Corp in Munich251,940$42.5M1.03%
Eurizon Capital SGR S.p.A.206,292$34.6M0.11%
Qube Research & Technologies Ltd172,435$28.9M0.04%
Arbejdsmarkedets Tillaegspension139,878$23.4M0.60%
Edgestream Partners, L.P.72,520$12.2M0.34%
CIBC World Markets Corp52,230$8.76M0.04%
PensionDanmark Pensionsforsikringsaktieselskab25,162$4.22M0.04%
Ilmarinen Mutual Pension Insurance Co23,000$3.85M0.03%
Glenmede Trust Co NA20,618$3.46M0.02%
Dark Forest Capital Management LP18,851$3.16M0.14%
E Fund Management (Hong Kong) Co., Ltd.30,967$2.94M1.23%
J. Safra Sarasin Holding AG13,792$2.31M0.04%
LRT Capital Management, LLC13,197$2.21M1.90%
Walleye Capital LLC12,716$2.13M0.01%
ING Groep NV10,045$1.68M0.01%
SBI Okasan Asset Management Co.Ltd.9,600$1.62M0.09%
Wakefield Asset Management LLLP9,593$1.61M0.44%
Kovack Advisors, Inc.8,674$1.45M0.07%
Pinnacle Financial Partners, Inc.6,906$1.16M0.01%
Jefferies Financial Group Inc.6,863$1.15M0.01%
Pinebridge Investments LLC6,728$1.13M0.01%
Greenland Capital Management LP6,710$1.12M0.16%
Mangrove Partners5,786$969.9K0.08%
Plato Investment Management Ltd5,672$955.4K0.06%
111 Capital5,579$935.2K0.20%
North Dakota State Investment Board5,425$909.4K0.03%
SageGuard Financial Group, LLC5,329$893.4K0.14%
Fox Run Management, L.L.C.5,009$839.7K0.13%
Targeted Financial Services LLC4,994$837.1K0.72%
Tulsa Wealth Advisors, INC4,535$760.2K0.25%
Blueshift Asset Management, LLC4,422$741.3K0.21%
Accredited Investors Inc.4,335$726.7K0.04%
Mirabella Financial Services LLP4,251$712.6K0.07%
Capital Innovations LLC3,975$666.3K0.19%
MQS Management LLC3,972$665.8K0.39%
Focused Alpha, LLC3,962$664.1K0.20%
Graham Capital Management, L.P.3,950$662.1K0.02%
Evolve Private Wealth, LLC3,626$607.8K0.04%
Fideuram - Intesa Sanpaolo Private Banking S.P.A.3,341$560.1K0.02%
Laird Norton Trust Company, LLC3,207$537.6K0.01%
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management3,203$536.9K0.01%
Beto Financial Group, LLC3,214$535.2K0.36%
Third View Private Wealth, LLC3,178$532.7K0.07%
LMR Partners LLP2,929$491.0K0.00%
Wagner Wealth Management, Corp2,678$448.9K0.44%
Anchyra Partners LLC2,624$439.9K0.13%
Havemeyer Place LP2,619$439.0K0.09%
TCW Group Inc2,493$417.9K0.00%
Ofi Invest Asset Management2,482$416.1K0.01%
Silver Oak Securities, Inc2,444$412.0K0.03%
EntryPoint Capital, LLC2,371$397.5K0.16%
State of Wyoming2,338$391.9K0.04%
EP Wealth Advisors, LLC2,310$387.2K0.00%
TCG Advisory Services, LLC2,306$386.6K0.01%
Walleye Trading LLC2,245$376.3K0.01%
Visionary Horizons, LLC2,114$354.4K0.18%
WBI Investments2,046$343.0K0.09%
Kingswood Wealth Advisors, LLC1,990$333.5K0.02%
BCS Wealth Management1,926$322.8K0.03%
Index Technologies Group LLC1,910$320.2K0.33%
Nomura Asset Management International Inc.1,900$318.0K0.00%
Garrett Wealth Advisory Group, LLC1,877$314.6K0.06%
EFG International AG1,865$312.6K0.01%
VARCOV Co.1,851$310.3K0.12%
Centiva Capital, LP1,678$281.3K0.02%
Skopos Labs, Inc.1,654$279.2K0.01%
Carnegie Capital Asset Management, LLC1,660$278.3K0.01%
Tobam1,636$274.0K0.07%
Kera Capital Partners, Inc.1,598$265.8K0.03%
Leo Wealth, LLC1,576$264.2K0.02%
Stevens Capital Management LP1,571$263.0K0.09%
Hennion & Walsh Asset Management, Inc.1,561$261.7K0.01%
DRW Securities, LLC1,527$256.0K0.02%
Savant Capital, LLC1,495$250.6K0.00%
Lighthouse Investment Partners, LLC1,454$243.7K0.01%
Heritage Trust Co1,364$228.6K0.02%
BankChampaign, National Association1,360$228.0K0.23%
Abc Arbitrage SA1,339$224.5K0.02%
Modern Wealth Management, LLC1,292$216.6K0.00%
Frec Markets, Inc.1,281$214.8K0.06%
Boothbay Fund Management, LLC1,276$213.9K0.01%
Virtus ETF Advisers LLC1,272$213.2K0.10%
nVerses Capital, LLC1,260$211.2K0.47%
Tocqueville Asset Management L.P.1,254$210.2K0.00%
Patton Albertson Miller Group, LLC1,251$209.7K0.02%
AlphaCore Capital LLC1,238$207.5K0.00%
Advisors Capital Management, LLC1,233$206.7K0.00%
MidFirst Bank1,037$173.8K0.01%
Wellington-Altus USA Inc.634$106.3K0.08%
Laurel Wealth Advisors LLC632$105.9K0.01%
Simplex Trading, LLC624$104.6K0.00%
Fideuram Asset Management (Ireland) dac608$88.2K0.01%
Loomis Sayles & Co L P478$80.1K0.00%
Elyxium Wealth, LLC441$73.9K0.02%
Board of the Pension Protection Fund400$67.1K0.06%
Group One Trading, L.P.393$65.9K0.00%
Prosperity Bancshares Inc296$49.6K0.04%
Caldwell Trust Co295$49.5K0.00%

Sold out (63)

Institutions that held Atmos Energy Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ATO in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Connor, Clark & Lunn Investment Management Ltd.60,661$10.4M
Natixis45,931$7.84M
Oppenheimer & Co Inc27,414$4.68M
Oppenheimer Asset Management Inc.23,378$3.99M
Brendel Financial Advisors LLC22,339$3.81M
Oddo BHF Asset Management SAS15,790$2.70M
Delta Global Management LP15,059$2.57M
Virtus Investment Advisers, Inc.11,849$2.02M
Park Avenue Securities LLC11,036$1.88M
Hudson Bay Capital Management LP10,090$1.72M
Brevan Howard Capital Management LP8,378$1.43M
La Banque Postale Asset Management SA7,884$1.35M
NovaPoint Capital, LLC7,057$1.21M
Farringdon Capital, Ltd.5,515$941.7K
Empowered Funds, LLC5,132$876.3K
Sageworth Trust Co4,812$821.6K
Kovitz Investment Group Partners, LLC3,401$580.8K
Hilltop Holdings Inc.3,085$526.7K
Capstone Investment Advisors, LLC2,864$489.0K
Summit Wealth Group LLC1,931$397.2K
Voleon Capital Management LP2,259$385.7K
ISAM Funds (UK) Ltd2,206$376.7K
CWA Asset Management Group, LLC2,116$361.4K
Inceptionr LLC2,049$349.9K
Prudential PLC1,815$309.9K
Sherbrooke Park Advisers LLC1,680$286.9K
Integrated Advisors Network LLC1,644$280.7K
NorthRock Partners, LLC1,597$272.7K
Virtu Financial LLC1,433$245.0K
Neo Ivy Capital Management1,396$238.4K
Brighton Jones LLC1,367$233.4K
MASTERINVEST Kapitalanlage GmbH1,346$229.8K
Change Path, LLC1,284$219.2K
Maridea Wealth Management LLC1,207$214.5K
RIA Advisory Group LLC1,245$212.6K
Fidelis Capital Partners, LLC1,222$208.7K
Nicholas Hoffman & Company, LLC.1,219$208.1K
Rede Wealth, LLC1,184$202.2K
Acadian Asset Management LLC911$155.0K
Ci Investments Inc.710$121.0K
Plante Moran Financial Advisors, LLC661$112.8K
GPS Wealth Strategies Group, LLC656$112.0K
Bayforest Capital Ltd540$92.2K
Advisory Services Network, LLC386$65.9K
Caitong International Asset Management Co., Ltd276$47.1K
American National Bank250$42.7K
Caitlin John, LLC235$40.1K
Painted Porch Advisors LLC150$25.6K
Pension & Wealth Management Advisors, Inc.91$15.6K
Park Square Financial Group, LLC58$9.90K
Strive Asset Management, LLC41$7.00K
Strategic Wealth Partners, Ltd.38$6.49K
Marquette Asset Management, LLC24$4.10K
Cloud Capital Management, LLC25$4.00K
JPL Wealth Management, LLC22$3.76K
Activest Wealth Management16$2.73K
Rise Advisors, LLC13$2.22K
Halbert Hargrove Global Advisors, LLC8$1.37K
Albion Financial Group7$1.20K
Tortoise Investment Management, LLC7$1.20K
Avalon Trust Co5$854
Palisade Asset Management, LLC3$513
Hurley Capital, LLC1$171

Not filed for Q4 2025 yet (13)

Institutions that held Atmos Energy Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATO in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
AXA Investment Managers S.A.64,683$11.0M
CIBC Bancorp USA Inc.22,085$3.77M
Glenmede Investment Management, LP21,253$3.63M
Gries Financial LLC9,836$1.68M
Shell Asset Management Co6,890$1.18M
Synovus Financial Corp3,888$663.9K
Pinnacle Financial Partners Inc3,105$530.2K
Wetherby Asset Management Inc1,532$261.6K
Hemington Wealth Management207$35.0K
Pineridge Advisors LLC32$5.49K
Binnacle Investments Inc6$1.02K
Texas Capital Bancshares Inc5$854
Guerra Advisors Inc5$854