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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, Q2 2025

Institutional positions in Atmos Energy Corp as of Jun 30, 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
871
+22 vs. Q1 2025
Shares held
160.5M
+2.59M (+1.6%) vs. Q1 2025
Total value
$24.7B
+$317.9M (+1.3%) vs. Q1 2025
New holders
96
372 more added
Sold out
74
270 more reduced

12 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 871 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 heldQ2 2025: $24.7B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q1 2025.

Institutions holding ATO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Union Bancaire Privee, UBP SA23,400$2.85M0.05%+23,400New
Mirae Asset Global ETFs Holdings Ltd.18,898$2.91M0.01%+1,586+9.2%Added
Aquatic Capital Management LLC19,020$2.93M0.06%+2,722+16.7%Added
JustInvest LLC19,087$2.94M0.03%+1,018+5.6%Added
Northwest & Ethical Investments L.P.19,656$3.03M0.08%+19,656New
Mackenzie Financial Corp19,695$3.04M0.00%+106+0.5%Added
B. Metzler seel. Sohn & Co. AG20,227$3.12M0.03%+3,983+24.5%Added
Patton Fund Management, Inc.20,307$3.13M0.69%+20,307New
Renaissance Technologies LLC20,500$3.16M0.00%−77,500−79.1%Reduced
NBC Securities, Inc.20,546$3.17M0.26%−4,498−18.0%Reduced
Bank of Nova Scotia20,794$3.20M0.01%+3,821+22.5%Added
Sumitomo Mitsui DS Asset Management Company, Ltd20,907$3.22M0.03%+3,414+19.5%Added
Legacy Financial Strategies, LLC20,989$3.23M0.63%−2,258−9.7%Reduced
Glenmede Investment Management, LP20,992$3.24M0.02%+20,992New
Nissay Asset Management Corp21,024$3.24M0.02%+145+0.7%Added
First National Advisers, LLC21,102$3.25M0.48%+529+2.6%Added
Captrust Financial Advisors21,373$3.29M0.01%−4,643−17.8%Reduced
First National Bank of Omaha21,455$3.31M0.21%+370+1.8%Added
Brendel Financial Advisors LLC21,539$3.32M1.86%−227−1.0%Reduced
New York Life Investment Management LLC21,555$3.32M0.03%+374+1.8%Added
ASR Vermogensbeheer N.V.21,761$3.35M0.04%+11,872+120.1%Added
Moran Wealth Management, LLC21,785$3.36M0.10%+533+2.5%Added
Pathstone Holdings, LLC21,815$3.36M0.01%−131−0.6%Reduced
Oppenheimer Asset Management Inc.22,189$3.42M0.04%−372−1.6%Reduced
Castellan Group, LLC22,337$3.44M0.63%+931+4.3%Added
Y-Intercept (Hong Kong) Ltd22,719$3.50M0.09%+22,719New
Waterloo Capital, L.P.22,984$3.54M0.29%+5,088+28.4%Added
Mirae Asset Global Investments Co., Ltd.23,947$3.69M0.01%−822−3.3%Reduced
Ausbil Investment Management Ltd23,996$3.70M2.17%00.0%Unchanged
Folger Nolan Fleming Douglas Capital Management, Inc24,044$3.71M0.41%−40.0%Reduced
Teacher Retirement System of Texas24,082$3.71M0.02%+1,363+6.0%Added
Police & Firemen's Retirement System of New Jersey24,092$3.71M0.03%+1,529+6.8%Added
Pacer Advisors, Inc.24,378$3.76M0.01%+4,572+23.1%Added
Atria Investments LLC24,521$3.78M0.04%−776−3.1%Reduced
Dean Investment Associates, LLC24,652$3.80M0.56%+940+4.0%Added
Navellier & Associates Inc24,856$3.83M0.47%−30.0%Reduced
British Columbia Investment Management Corp24,975$3.85M0.02%−4,747−16.0%Reduced
Advisor Group Holdings, Inc.25,026$3.86M0.01%−2,044−7.6%Reduced
USS Investment Management Ltd25,164$3.88M0.02%+4,123+19.6%Added
Pring Turner Capital Group Inc25,476$3.93M2.54%−247−1.0%Reduced
Citizens Financial Group Inc25,520$3.93M0.06%+18,069+242.5%Added
Utah Retirement Systems25,671$3.96M0.04%+65+0.3%Added
Kinloch Capital, LLC26,129$4.03M1.87%+62+0.2%Added
Fuller & Thaler Asset Management, Inc.26,663$4.11M0.01%−25,185−48.6%Reduced
Wealth Enhancement Advisory Services, LLC27,216$4.14M0.01%+14,440+113.0%Added
Oppenheimer & Co Inc27,014$4.16M0.06%−5,390−16.6%Reduced
Merit Financial Group, LLC27,596$4.25M0.05%+22,982+498.1%Added
Edgemoor Investment Advisors, Inc.27,859$4.29M0.37%−1,100−3.8%Reduced
Ethic Inc.28,237$4.31M0.08%−20,497−42.1%Reduced
Cambridge Investment Research Advisors, Inc.28,633$4.41M0.01%−1,228−4.1%Reduced
Commonwealth Equity Services, LLC28,824$4.44M0.01%−1,007−3.4%Reduced
Xponance, Inc.28,996$4.47M0.04%+7,061+32.2%Added
Federation des caisses Desjardins du Quebec28,999$4.47M0.02%+21,262+274.8%Added
Capital International Sarl29,499$4.55M0.09%−304−1.0%Reduced
Guggenheim Capital LLC29,499$4.55M0.04%+1,388+4.9%Added
Candriam Luxembourg S.C.A.30,772$4.74M0.03%+1,373+4.7%Added
Amalgamated Bank31,662$4.88M0.04%+195+0.6%Added
Brevan Howard Capital Management LP31,918$4.92M0.05%+31,918New
D. E. Shaw & Co., Inc.32,633$5.03M0.01%−94,970−74.4%Reduced
Public Sector Pension Investment Board32,865$5.06M0.02%−9,601−22.6%Reduced
Jane Street Group, LLC32,957$5.08M0.01%+32,957New
Mercuria Capital Strategies, LLC33,000$5.09M1.36%+33,000New
Cantor Fitzgerald Investment Adviser L.P.33,289$5.13M0.36%−55,859−62.7%Reduced
Amarillo National Bank34,009$5.24M0.97%+188+0.6%Added
Retirement Systems of Alabama34,084$5.25M0.02%−26−0.1%Reduced
Cetera Investment Advisers34,097$5.25M0.01%+6,201+22.2%Added
Assenagon Asset Management S.A.34,305$5.29M0.01%+28,952+540.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)34,320$5.29M0.01%−46,121−57.3%Reduced
Truist Financial Corp34,705$5.35M0.01%+981+2.9%Added
MML Investors Services, LLC35,013$5.40M0.02%+16,743+91.6%Added
Texas Yale Capital Corp.35,099$5.41M0.18%−285−0.8%Reduced
Jones Financial Companies LLLP35,663$5.44M0.00%+2,331+7.0%Added
Susquehanna International Group, LLP36,671$5.65M0.01%+9,739+36.2%Added
Comerica Bank37,929$5.85M0.02%−2,993−7.3%Reduced
State of New Jersey Common Pension Fund D38,038$5.86M0.02%00.0%Unchanged
Stratos Wealth Partners, LTD.38,131$5.88M0.08%+5,133+15.6%Added
Mutual of America Capital Management LLC38,229$5.89M0.06%−1,516−3.8%Reduced
Czech National Bank38,825$5.98M0.05%+2,368+6.5%Added
Summit Global Investments39,107$6.03M0.36%+39,107New
Franklin Resources Inc39,167$6.04M0.00%+458+1.2%Added
Creative Planning39,820$6.14M0.01%+833+2.1%Added
DnB Asset Management AS40,196$6.19M0.03%−30,880−43.4%Reduced
Umb Bank N A40,246$6.20M0.10%+2,483+6.6%Added
Swedbank AB40,786$6.29M0.01%+40,786New
Gallo Partners, LP40,864$6.30M4.12%+40,864New
BCM Advisors, LLC41,319$6.45M1.37%00.0%Unchanged
Nisa Investment Advisors, LLC43,312$6.67M0.03%+118+0.3%Added
Illinois Municipal Retirement Fund43,323$6.68M0.09%+12,422+40.2%Added
Diversify Wealth Management, LLC40,564$6.72M0.42%+4,743+13.2%Added
Mariner, LLC44,516$6.86M0.01%+773+1.8%Added
IFM Investors Pty Ltd45,598$7.03M0.07%+3,761+9.0%Added
Arizona State Retirement System46,393$7.15M0.04%+1,447+3.2%Added
Lansforsakringar Fondforvaltning AB (publ)46,757$7.21M0.04%−2,253−4.6%Reduced
DekaBank Deutsche Girozentrale47,563$7.26M0.01%+369+0.8%Added
Dai-Ichi Life Insurance Company, Ltd47,479$7.32M0.21%+4,839+11.3%Added
CI Private Wealth, LLC48,338$7.45M0.01%−2,450−4.8%Reduced
Kennedy Capital Management, Inc.48,538$7.48M0.18%−1,342−2.7%Reduced
Fisher Funds Management LTD49,500$7.63M0.18%−5,499−10.0%Reduced
State of Michigan Retirement System50,810$7.83M0.04%−1,800−3.4%Reduced
Voya Investment Management LLC53,489$8.24M0.01%−1,497−2.7%Reduced