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Disclosery

ATO ATMOS ENERGY CORP

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Stock (common), issuer CIK 731802

980 managers (1,020 13F filers) reported a position in ATO shares at 2026-03-31, 160,034,601 shares in all. 126 filers opened a position and 89 filers sold out during the quarter.

Managers
980
13F filers
1,020
New
126
Added
409
Reduced
305
Sold out
89
Shares held by filers
160,034,601

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Edgestream Partners, L.P.40,951$7.56M0.25%-31,56913F-HRTimeline
Robeco Institutional Asset Management B…in group Robeco Institutional Asset Ma…40,846$7.55M0.01%-9,89813F-HRTimelineGroup
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA39,985$7.39M0.01%-32,98713F-HRTimelineGroup
Stratos Wealth Partners, LTD.group of 2 filers holding39,846$7.36M+1,295Timeline
KENNEDY CAPITAL MANAGEMENT LLC39,480$7.29M0.15%-3113F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…39,467$7.29M0.08%+28113F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC39,215$7.24M0.02%-58,92013F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…38,566$7.12M0.04%+9513F-HRTimelineGroup
Westerkirk Capital Inc.38,561$7.12M0.77%-1,80013F-HRTimeline
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.38,468$7.11M0.01%13F-HRTimelineGroup
Assenagon Asset Management S.A.38,441$7.1M0.01%-75,94513F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP34,559$6.57M0.36%new13F-HRTimeline
Texas Yale Capital Corp.35,274$6.52M0.18%+15013F-HRTimeline
Retirement Systems of Alabama35,133$6.49M0.02%+98313F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP35,015$6.47M0.01%+4,40713F-HRTimelineGroup
Cambridge Investment Research Advisors,…34,602$6.39M0.02%+1,09713F-HRTimeline
CAPTRUST FINANCIAL ADVISORS34,175$6.31M0.01%+13,13613F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC33,791$6.24M0.01%+42913F-HRTimelineGroup
Merit Financial Group, LLC33,505$6.19M0.05%+6,46013F-HRTimeline
TrueMark Investments, LLCin group TrueMark Investments, LLC33,378$6.17M1.2%new13F-HRTimelineGroup
OPAL CAPITAL LLC33,313$6.15M1.09%new13F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC32,591$6.02M0.05%+1,84613F-HRTimelineGroup
FJARDE AP-FONDEN /FOURTH SWEDISH NATION…32,500$6M0.03%new13F-HRTimeline
Woodline Partners LP32,260$5.96M0.02%+4,87213F-HR/ATimeline
XPONANCE LLC32,212$5.95M0.04%+5,67913F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.31,943$5.9M0.01%-3,71913F-HRTimelineGroup
MACKENZIE FINANCIAL CORP31,551$5.83M0.01%+64413F-HRTimeline
AMALGAMATED BANK31,013$5.73M0.04%+1,35113F-HRTimeline
FIRST NATIONAL BANK OF OMAHAgroup of 2 filers holding30,519$5.64M+2,877Timeline
Inspire Investing, LLCgroup of 2 filers holding30,191$5.58M+7,625Timeline
ABN AMRO INVESTMENT SOLUTIONSin group ABN AMRO INVESTMENT SOLUTIONS29,686$5.48M0.07%-30,18013F-HRTimelineGroup
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…29,518$5.45M0.03%+2,11313F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.29,463$5.44M0.02%-26,63013F-HRTimelineGroup
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG29,413$5.43M0.05%+3,42813F-HRTimelineGroup
USS Investment Management Ltd29,136$5.38M0.02%+3,97213F-HRTimeline
BLI - Banque de Luxembourg Investments32,000$5.31M0.16%013F-HRTimeline
AMARILLO NATIONAL BANK28,641$5.29M0.93%+7413F-HRTimeline
Waterloo Capital, L.P.28,594$5.28M0.37%-15813F-HRTimeline
UNITED BANK27,421$5.07M0.65%new13F-HRTimeline
Asset Advisors Investment Management, L…27,273$5.04M0.48%+2,50813F-HRTimeline
Harrison Street Private Wealth LLC26,860$4.96M6.57%13F-HRTimeline
Elo Mutual Pension Insurance Co26,612$4.92M0.08%+7,77813F-HRTimeline
ASR Vermogensbeheer N.V.26,303$4.86M0.06%+39613F-HRTimeline
Utah Retirement Systems26,009$4.8M0.05%-23113F-HRTimeline
CITIZENS FINANCIAL GROUP INC/RIin group CITIZENS FINANCIAL GROUP INC/…25,873$4.78M0.07%+1,71513F-HRTimelineGroup
Castellan Group25,625$4.73M0.66%+1,83213F-HRTimeline
Edgemoor Investment Advisors, Inc.25,552$4.72M0.37%-91413F-HRTimeline
Ethic Inc.24,694$4.56M0.07%-1,21513F-HRTimeline
FOLGER NOLAN FLEMING DOUGLAS CAPITAL MA…24,617$4.55M0.41%+34913F-HRTimeline
Kinloch Capital, LLC24,595$4.54M1.85%-1,52813F-HRTimeline
Police & Firemen's Retirement System of…24,431$4.51M0.04%013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…23,720$4.48M0.01%-4,36413F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC23,727$4.38M0.02%+4,82513F-HRTimeline
&PARTNERS23,067$4.26M0.02%+2,72213F-HRTimeline
Ilmarinen Mutual Pension Insurance Co23,000$4.25M0.03%013F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…22,915$4.23M0.04%+96313F-HRTimelineGroup
PensionDanmark Pensionsforsikringsaktie…22,902$4.23M0.04%-2,26013F-HRTimeline
NEOS Investment Management LLC22,752$4.2M0.02%+3,48413F-HRTimeline
Wakefield Asset Management LLLPin group Wakefield Asset Management LL…22,644$4.18M1.11%+13,05113F-HRTimelineGroup
NAVELLIER & ASSOCIATES INC22,436$4.14M0.43%-87813F-HRTimeline
APG Asset Management N.V.in group APG Asset Management N.V.25,810$4.14M0.01%-2,91013F-HRTimelineGroup
BRITISH COLUMBIA INVESTMENT MANAGEMENT …22,290$4.12M0.02%-6,13813F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC22,109$4.08M0.02%-44913F-HRTimelineGroup
NISSAY ASSET MANAGEMENT CORP /JAPAN22,047$4.07M0.02%+54913F-HRTimeline
Moran Wealth Management, LLC21,709$4.01M0.12%+21213F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV21,608$3.99M0.01%+10,88913F-HRTimeline
Ausbil Investment Management Ltd21,517$3.99M1.99%013F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…21,568$3.98M0.03%013F-HRTimelineGroup
ING GROEP NV21,337$3.94M0.02%+11,29213F-HRTimeline
PATTON FUND MANAGEMENT, INC.21,252$3.93M0.67%-8,13613F-HRTimeline
PRING TURNER CAPITAL GROUP INC23,338$3.91M2.36%013F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC21,116$3.9M0.01%-1,18513F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA20,947$3.87M0.02%+32913F-HRTimelineGroup
CAMBIAR INVESTORS LLC20,335$3.76M0.17%-5,82013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC20,312$3.75M0.01%+18,85813F-HRTimeline
Atria Investments, Inc20,196$3.73M0.04%-2,89813F-HRTimeline
CWM, LLCin group CWM, LLC19,502$3.6M0.01%+6,85013F-HRTimelineGroup
Legacy Financial Strategies, LLC19,467$3.6M0.65%-64913F-HRTimeline
FULLER & THALER ASSET MANAGEMENT, INC.19,168$3.54M0.01%-12813F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND18,965$3.5M0.05%+60013F-HRTimeline
Orion Investment Co18,901$3.49M1.11%+24313F-HRTimeline
Focus Partners Wealthgroup of 2 filers holding18,775$3.46M+10,374Timeline
Crossmark Global Holdings, Inc.18,475$3.41M0.05%+2,86213F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding18,202$3.36M+4,120Timeline
Prospera Financial Services Inc18,116$3.35M0.05%+18313F-HRTimeline
Orion Porfolio Solutions, LLC17,525$3.24M0.03%+10213F-HRTimeline
Obermeyer Wealth Partners17,332$3.2M0.15%-9913F-HRTimeline
UniSuper Management Pty Ltd17,160$3.17M0.02%-90813F-HRTimeline
IEQ CAPITAL, LLC16,964$3.13M0.01%new13F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP16,699$3.08M0.27%-2,15213F-HRTimeline
REAVES W H & CO INC16,660$3.08M0.05%-1813F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC16,653$3.08M0.03%+3,30913F-HRTimelineGroup
State of Alaska, Department of Revenue16,650$3.08M0.03%+69513F-HRTimeline
AZZAD ASSET MANAGEMENT INC /ADV16,610$3.07M0.31%-45813F-HRTimeline
Kentucky Trust Co16,374$3.02M1.59%-2013F-HRTimeline
Vestmark Advisory Solutions, Inc.16,344$3.02M0.03%+4,61813F-HRTimeline
OP Asset Management Ltd16,230$3M0.03%-71513F-HR/ATimeline
Tidal Investments LLCin group Tidal Investments LLC16,178$2.99M0.01%+13,32813F-HRTimelineGroup
HANCOCK WHITNEY CORP15,718$2.99M0.05%-18413F-HRTimeline
ALLSTATE CORPin group ALLSTATE CORP15,738$2.91M0.03%+3,64213F-HRTimelineGroup
Trexquant Investment LP15,542$2.87M0.02%-3,42713F-HRTimeline
PHILLIPS FINANCIAL MANAGEMENT, LLC15,173$2.8M0.2%+713F-HRTimeline
Raiffeisen Bank International AGin group Raiffeisen Bank International…15,102$2.79M0.04%+4,77013F-HRTimelineGroup
Generali Asset Management SPA SGR15,114$2.79M0.06%+69713F-HRTimeline
Pacer Advisors, Inc.15,078$2.79M0.01%-4,09013F-HR/ATimeline
DANSKE BANK A/S15,005$2.77M0.01%+1,60013F-HRTimeline
PRUDENTIAL PLCin group PRUDENTIAL PLC14,975$2.77M0.02%new13F-HRTimelineGroup
PDT Partners, LLC14,560$2.69M0.16%+6,91913F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson14,521$2.68M<0.01%+6,62413F-HR/ATimelineGroup
JOHNSON INVESTMENT COUNSEL INC14,497$2.68M0.02%+20413F-HRTimeline
AE Wealth Management LLC14,252$2.63M0.01%+3,98613F-HRTimeline
Cordatus Wealth Management LLC14,025$2.59M0.62%+37113F-HRTimeline
RD Lewis Holdings, Inc.13,374$2.57M2.23%-46513F-HRTimeline
Entropy Technologies, LP13,847$2.56M0.12%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…13,833$2.56M<0.01%-79013F-HRTimelineGroup
Brendel Financial Advisors LLC13,644$2.52M1.25%new13F-HRTimeline
Apollon Wealth Management, LLCin group Apollon Wealth Management, LLC13,602$2.51M0.04%-30813F-HRTimelineGroup
Delta Global Management LP13,561$2.5M0.21%new13F-HRTimeline
WHITTIER TRUST CO13,192$2.48M0.03%-46813F-HRTimeline
Town & Country Bank & Trust CO dba Firs…13,389$2.47M0.84%+64813F-HRTimeline
Rafferty Asset Management, LLC13,388$2.47M0.01%-4,28813F-HRTimeline
TRUSTMARK BANK TRUST DEPARTMENT13,286$2.45M0.16%+813F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…13,262$2.45M<0.01%+6,87613F-HRTimelineGroup
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC13,147$2.43M0.02%new13F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A13,100$2.42M0.01%-10013F-HRTimelineGroup
Bleakley Financial Group, LLC13,029$2.41M0.04%+1,92213F-HRTimeline
Private Advisor Group, LLC12,589$2.33M0.01%+44013F-HRTimeline
Gulf International Bank (UK) Ltd12,589$2.33M0.05%+4,06413F-HRTimeline
ALBERT D MASON INC12,504$2.31M1.5%+17913F-HRTimeline
DC Investments Management, LLC12,438$2.3M0.88%013F-HRTimeline
BANQUE PICTET & CIE SA12,314$2.27M0.03%new13F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…12,102$2.24M0.02%+3,35413F-HRTimelineGroup
AG2R LA MONDIALE GESTION D'ACTIFS11,839$2.19M0.1%+3,22913F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC11,810$2.18M<0.01%+2,14613F-HRTimelineGroup
Nicholson Wealth Management Group, LLC11,686$2.16M1.26%+19913F-HRTimeline
Ascentis Wealth Management, LLCgroup of 2 filers holding11,644$2.15M+2,060Timeline
Investment Management Corp of Ontario11,529$2.13M0.03%+60013F-HRTimeline
BFSG, LLC11,516$2.13M0.2%-10513F-HRTimeline
D.A. DAVIDSON & CO.11,217$2.07M0.01%+11213F-HRTimeline
Advisors Asset Management, Inc.11,184$2.07M0.03%-2,32913F-HRTimeline
Arax Advisory Partners11,101$2.05M0.06%+9,77713F-HRTimeline
Beacon Pointe Advisors, LLC11,025$2.04M0.01%+8,07113F-HRTimeline
Norinchukin Bank, Thein group Norinchukin Bank, The10,921$2.02M0.02%+35213F-HRTimelineGroup
Gallo Partners, LP10,671$1.97M3.77%new13F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding10,637$1.96M+1,767Timeline
Sequoia Financial Advisors, LLC10,618$1.96M0.01%-1,36913F-HRTimeline
Schonfeld Strategic Advisors LLC10,480$1.94M0.02%new13F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…10,393$1.92M<0.01%+4,04813F-HRTimeline
Blue Trust, Inc.10,357$1.91M0.02%-1,15213F-HRTimeline
Summit Trail Advisors, LLC10,093$1.86M0.03%+1,86713F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\10,081$1.86M<0.01%+1,01113F-HRTimelineGroup
Summit Global Investmentsin group Summit Global Investments10,061$1.86M0.11%-13,81813F-HRTimelineGroup
MIZUHO FINANCIAL GROUP INCgroup of 2 filers holding10,002$1.85M-242,500Timeline
SBI Okasan Asset Management Co.Ltd.9,894$1.83M0.08%+29413F-HRTimeline
Wealthspire Advisors, LLC9,904$1.83M0.01%-49513F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…9,898$1.83M0.01%-46513F-HRTimelineGroup
Lido Advisors, LLCin group Lido Advisors, LLC9,586$1.77M0.01%-1,55113F-HRTimelineGroup
HARTFORD INVESTMENT MANAGEMENT CO9,538$1.76M0.06%+19713F-HRTimeline
TCTC Holdings, LLCin group TCTC Holdings, LLC9,500$1.75M0.05%013F-HRTimelineGroup
NewEdge Advisors, LLC9,452$1.75M0.01%-94213F-HR/ATimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …9,431$1.73M<0.01%+2513F-HRTimelineGroup
Tyche Wealth Partners LLC9,359$1.73M0.27%-4213F-HRTimeline
J. Safra Sarasin Holding AGin group J. Safra Sarasin Holding AG9,353$1.73M0.03%-4,43913F-HRTimelineGroup
Board of the Pension Protection Fund9,300$1.72M1.58%+8,90013F-HRTimeline
Kesler, Norman & Wride, LLC9,228$1.7M0.29%-10113F-HRTimeline
AMG National Trust Bank9,168$1.69M0.04%013F-HRTimeline
Fruth Investment Management9,131$1.69M0.42%-5013F-HRTimeline
DELTA FINANCIAL ADVISORS LLC9,118$1.68M0.44%-9613F-HRTimeline
Callan Family Office, LLC8,967$1.66M0.04%-74213F-HRTimeline
CROBAN8,944$1.65M0.78%+6513F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd8,738$1.61M0.02%new13F-HRTimelineGroup
Aquatic Capital Management LLC8,649$1.6M0.05%-21,10013F-HRTimeline
Metis Global Partners, LLC8,485$1.57M0.04%-95913F-HRTimeline
Kovack Advisors, Inc.8,465$1.56M0.08%-20913F-HRTimeline
Louisiana State Employees Retirement Sy…8,400$1.55M0.03%+20013F-HRTimeline
AGP FRANKLIN, LLC8,367$1.55M0.77%-2,95513F-HRTimeline
Hennion & Walsh Asset Management, Inc.8,196$1.51M0.05%+6,63513F-HRTimeline
Fisher Asset Management, LLC8,174$1.51M<0.01%+14013F-HRTimeline
Anchor Investment Management, LLC8,172$1.51M0.13%013F-HRTimeline
Wealthfront Advisers LLC8,153$1.51M<0.01%+6513F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…8,038$1.48M0.01%new13F-HRTimelineGroup
Integrated Wealth Concepts LLC8,028$1.48M0.01%+5,69013F-HRTimeline
Chicago Partners Investment Group LLC8,122$1.48M0.03%+1,96513F-HRTimeline
Venturi Wealth Management, LLC8,021$1.48M0.07%+28313F-HRTimeline
DRW Securities, LLC7,964$1.47M0.08%+6,43713F-HRTimeline
PINEBRIDGE INVESTMENTS LLC7,938$1.47M0.01%+1,21013F-HRTimeline
COMMERCE BANKin group COMMERCE BANK7,882$1.46M0.01%+23813F-HRTimelineGroup
Jacobi Capital Management LLC7,865$1.45M0.08%-9813F-HRTimeline
U.S. Capital Wealth Advisors, LLC7,698$1.42M0.04%-913F-HRTimeline
Hartford Funds Management Co LLC7,679$1.42M0.12%+17613F-HRTimeline
FLORIDA FINANCIAL ADVISORS, LLC7,524$1.39M0.33%+1,08113F-HRTimeline
SlateStone Wealth, LLC7,525$1.39M0.11%+38513F-HRTimeline
ICON ADVISERS INC/CO7,480$1.38M0.32%013F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD7,400$1.37M0.04%013F-HRTimeline
Community Financial Services Group, LLC7,282$1.35M0.24%+1013F-HRTimeline
OMERS ADMINISTRATION Corp7,172$1.32M0.01%+1,75613F-HRTimeline
Pinnacle Financial Partners, Inc.in group Pinnacle Financial Partners, …7,111$1.31M0.01%+20513F-HRTimelineGroup
Coastal Bridge Advisors, LLC7,088$1.31M0.09%-2113F-HRTimeline
Procyon Advisors, LLC7,063$1.3M0.06%+83013F-HRTimeline
Empowered Funds, LLC7,049$1.3M0.01%new13F-HR/ATimeline

Events

  • MARTINEZ Jeffery D reported holdings of ATO shares in a Form 3 filed 2026-10-08. 0000731802-26-000122

    Accepted , ingested