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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, Q4 2025

Institutional positions in Atmos Energy Corp as of Dec 31, 2025. 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
980
+81 vs. Q3 2025
Shares held
162.1M
+2.64M (+1.7%) vs. Q3 2025
Total value
$27.2B
−$53.9M (−0.2%) vs. Q3 2025
New holders
144
362 more added
Sold out
63
307 more reduced

13 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 980 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 heldQ4 2025: $27.2B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q3 2025.

Institutions holding ATO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Coldstream Capital Management Inc4,384$734.9K0.01%+134+3.2%Added
Cornerstone Wealth Management, LLC4,402$738.0K0.04%−9−0.2%Reduced
JBR Co Financial Management Inc4,405$738.4K0.31%−330−7.0%Reduced
Kingsview Wealth Management, LLC4,420$740.9K0.01%+397+9.9%Added
Blueshift Asset Management, LLC4,422$741.3K0.21%+4,422New
Taylor Financial Group, Inc.4,465$748.5K0.44%00.0%Unchanged
United Capital Financial Advisers, LLC4,486$752.0K0.00%−1,196−21.0%Reduced
Tulsa Wealth Advisors, INC4,535$760.2K0.25%+4,535New
Vise Technologies, Inc.4,557$763.9K0.01%+1,171+34.6%Added
First Dallas Securities Inc.4,559$764.3K0.28%−297−6.1%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.4,565$764.9K0.01%+132+3.0%Added
Meeder Advisory Services, Inc.4,567$765.6K0.03%+538+13.4%Added
Agf Management Ltd4,635$777.0K0.00%+30+0.7%Added
Tiaa Trust, National Association4,676$783.8K0.00%−22−0.5%Reduced
Custom Index Systems, LLC4,704$788.5K0.35%−1,448−23.5%Reduced
Atlantic Trust, LLC4,739$794.4K0.13%+56+1.2%Added
Golden State Equity Partners4,752$796.6K0.13%+2,072+77.3%Added
Empirical Finance, LLC4,769$799.4K0.04%−193−3.9%Reduced
ORG Wealth Partners, LLC4,832$810.0K0.19%+676+16.3%Added
180 Wealth Advisors, LLC4,912$823.4K0.09%+961+24.3%Added
Targeted Financial Services LLC4,994$837.1K0.72%+4,994New
Fox Run Management, L.L.C.5,009$839.7K0.13%+5,009New
Marshall Wace, LLP5,026$842.5K0.00%−100,320−95.2%Reduced
Braun Stacey Associates Inc5,057$847.7K0.03%00.0%Unchanged
HB Wealth Management, LLC5,105$855.8K0.01%+626+14.0%Added
Northwestern Mutual Investment Management Company, LLC5,128$859.6K0.01%+11+0.2%Added
De Burlo Group Inc5,135$860.8K0.10%−25−0.5%Reduced
RSM US Wealth Management LLC5,217$879.5K0.01%−1,174−18.4%Reduced
Calton & Associates, Inc.5,262$882.0K0.13%−13−0.2%Reduced
Tema ETFs LLC5,296$887.8K0.07%−12−0.2%Reduced
AssuredPartners Investment Advisors, LLC5,308$889.7K0.13%+2,675+101.6%Added
Altus Wealth Group LLC5,311$890.3K0.36%−169−3.1%Reduced
Teacher Retirement System of Texas5,312$890.5K0.00%−15,464−74.4%Reduced
Vestcor Inc5,321$892.0K0.03%00.0%Unchanged
SageGuard Financial Group, LLC5,329$893.4K0.14%+5,329New
Bath Savings Trust Co5,365$899.3K0.09%−225−4.0%Reduced
Omers Administration Corp5,416$907.9K0.01%00.0%Unchanged
North Dakota State Investment Board5,425$909.4K0.03%+5,425New
Horizon Investments, LLC5,439$911.7K0.01%+67+1.2%Added
Creative Financial Designs Inc5,459$915.1K0.06%+199+3.8%Added
Allianz Asset Management GmbH5,509$923.5K0.00%−3,915−41.5%Reduced
SS&H Financial Advisors, Inc.5,565$933.0K0.27%00.0%Unchanged
111 Capital5,579$935.2K0.20%+5,579New
Spirit of America Management Corp5,600$938.7K0.20%00.0%Unchanged
Jmac Enterprises LLC5,600$938.7K0.18%+1,900+51.4%Added
Plato Investment Management Ltd5,672$955.4K0.06%+5,672New
Arvest Investments, Inc.5,783$969.4K0.14%−90−1.5%Reduced
Mangrove Partners5,786$969.9K0.08%+5,786New
GoalVest Advisory LLC5,867$983.5K0.19%00.0%Unchanged
Bridges Investment Management Inc5,940$995.7K0.01%−1,370−18.7%Reduced
Caisse de Depot Et Placement du Quebec6,037$1.01M0.00%−149,647−96.1%Reduced
Chicago Partners Investment Group LLC6,157$1.02M0.03%−5−0.1%Reduced
Qtron Investments LLC6,128$1.03M0.13%−355−5.5%Reduced
Steward Partners Investment Advisory, LLC6,153$1.03M0.01%−253−3.9%Reduced
Retirement Guys Formula LLC6,184$1.04M0.47%+3,177+105.7%Added
HighPoint Advisor Group LLC6,220$1.04M0.02%+2,204+54.9%Added
Procyon Private Wealth Partners, LLC6,233$1.04M0.05%+10.0%Added
Ostrum Asset Management6,264$1.05M0.05%−2,076−24.9%Reduced
Kestra Advisory Services, LLC6,264$1.05M0.00%+213+3.5%Added
Independence Bank of Kentucky6,274$1.05M0.13%−191−3.0%Reduced
Verition Fund Management LLC6,287$1.05M0.01%−35,960−85.1%Reduced
Tokio Marine Asset Management Co Ltd6,301$1.06M0.04%+216+3.5%Added
Healthcare of Ontario Pension Plan Trust Fund6,345$1.06M0.00%−9−0.1%Reduced
Thrivent Financial for Lutherans6,386$1.07M0.00%−92−1.4%Reduced
Principal Securities, Inc.6,433$1.08M0.02%+617+10.6%Added
Florida Financial Advisors, LLC6,443$1.08M0.29%+1,086+20.3%Added
Bokf, NA6,522$1.09M0.02%−439−6.3%Reduced
Silver Lake Advisory, LLC6,538$1.10M0.43%00.0%Unchanged
Fifth Third Bancorp6,579$1.10M0.00%−821−11.1%Reduced
MUFG Securities EMEA plc6,588$1.10M0.01%+3,515+114.4%Added
Ashton Thomas Private Wealth, LLC6,619$1.11M0.03%+27+0.4%Added
Buckhead Capital Management LLC6,671$1.12M0.40%+71+1.1%Added
Greenland Capital Management LP6,710$1.12M0.16%+6,710New
Pinebridge Investments LLC6,728$1.13M0.01%+6,728New
Independent Advisor Alliance6,764$1.13M0.03%−479−6.6%Reduced
Jefferies Financial Group Inc.6,863$1.15M0.01%+6,863New
Pinnacle Financial Partners, Inc.6,906$1.16M0.01%+6,906New
Coastal Bridge Advisors, LLC7,109$1.19M0.09%−165−2.3%Reduced
SlateStone Wealth, LLC7,140$1.20M0.10%+35+0.5%Added
Community Financial Services Group, LLC7,272$1.22M0.22%−296−3.9%Reduced
Picton Mahoney Asset Management7,274$1.22M0.01%+2,296+46.1%Added
Parallel Advisors, LLC7,386$1.24M0.02%+1,123+17.9%Added
New Mexico Educational Retirement Board7,400$1.24M0.04%+200+2.8%Added
Commerzbank Aktiengesellschaft7,477$1.25M0.03%+213+2.9%Added
Icon Advisers Inc7,480$1.25M0.27%−1,520−16.9%Reduced
Hartford Funds Management Co LLC7,503$1.26M0.10%+879+13.3%Added
PDT Partners, LLC7,641$1.28M0.08%00.0%Unchanged
Commerce Bank7,644$1.28M0.01%+879+13.0%Added
W.H. Cornerstone Investments Inc.7,650$1.28M0.77%−599−7.3%Reduced
Pensionfund Sabic7,700$1.29M0.35%00.0%Unchanged
U.S. Capital Wealth Advisors, LLC7,707$1.29M0.03%+158+2.1%Added
Venturi Wealth Management, LLC7,738$1.30M0.06%−550−6.6%Reduced
Cantor Fitzgerald Investment Adviser L.P.7,853$1.32M0.10%−18,067−69.7%Reduced
Janus Henderson Group PLC7,897$1.32M0.00%+320+4.2%Added
Jacobi Capital Management LLC7,963$1.33M0.08%−317−3.8%Reduced
Profund Advisors LLC7,969$1.34M0.04%−423−5.0%Reduced
Atlantic Union Bankshares Corp8,021$1.34M0.03%+55+0.7%Added
Fisher Asset Management, LLC8,034$1.35M0.00%+1,281+19.0%Added
Wealthfront Advisers LLC8,088$1.36M0.00%+658+8.9%Added
Meketa Investment Group Inc8,156$1.37M4.62%00.0%Unchanged