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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
Boston Trust Walden Corp318,407$49.1M0.35%−22,243−6.5%Reduced
Partners Group Holding AG323,145$49.8M2.34%−43,397−11.8%Reduced
Bahl & Gaynor Inc323,257$49.8M0.25%+17,375+5.7%Added
Citigroup Inc326,415$50.3M0.03%+140,957+76.0%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.332,551$51.2M0.04%+14,881+4.7%Added
CBOE Vest Financial, LLC334,708$51.6M0.73%−58,254−14.8%Reduced
Rhumbline Advisers348,342$53.7M0.05%+7,834+2.3%Added
Merewether Investment Management, LP348,536$53.7M1.55%+13,842+4.1%Added
T. Rowe Price Investment Management, Inc.351,692$54.2M0.03%−57,345−14.0%Reduced
BNP Paribas Arbitrage, SA351,728$54.2M0.04%−102,389−22.5%Reduced
Benjamin Edwards Inc351,951$54.2M0.69%+5,974+1.7%Added
New York State Common Retirement Fund356,620$55.0M0.07%+1,653+0.5%Added
Principal Financial Group Inc376,534$58.0M0.03%+161,422+75.0%Added
JPMorgan Chase & Co422,704$65.1M0.00%−186,275−30.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.424,934$65.5M0.04%+6,291+1.5%Added
Huntington National Bank427,680$65.9M0.43%+28,608+7.2%Added
Nuveen, LLC434,637$67.0M0.02%+11,988+2.8%Added
Jennison Associates LLC437,881$67.5M0.04%−6,583−1.5%Reduced
AQR Capital Management LLC446,754$68.3M0.06%+190,070+74.0%Added
Barclays PLC443,722$68.4M0.03%−31,606−6.6%Reduced
Earnest Partners LLC449,429$69.3M0.31%−1,619−0.4%Reduced
Amundi465,912$70.6M0.02%−420,939−47.5%Reduced
Capital Group Private Client Services, Inc.460,283$70.9M0.61%+3,381+0.7%Added
Chevy Chase Trust Holdings, Inc.464,186$71.5M0.21%+78,101+20.2%Added
Swiss National Bank480,400$74.0M0.04%+42,000+9.6%Added
Energy Income Partners, LLC484,978$74.7M1.47%+3,471+0.7%Added
Nilsine Partners, LLC526,140$81.1M8.19%−7,997−1.5%Reduced
HSBC Holdings PLC552,595$85.1M0.05%+134,748+32.2%Added
California Public Employees Retirement System579,801$89.4M0.06%−87,408−13.1%Reduced
First Trust Advisors LP588,496$90.7M0.07%−47,002−7.4%Reduced
Royal Bank of Canada590,135$90.9M0.02%+64,147+12.2%Added
SEI Investments Co593,471$91.5M0.11%−3,820−0.6%Reduced
Neuberger Berman Group LLC609,354$93.9M0.07%+34,171+5.9%Added
Envestnet Asset Management Inc647,173$99.7M0.03%+44,561+7.4%Added
Cbre Clarion Securities LLC674,233$103.9M1.58%+130,536+24.0%Added
UBS Group AG705,748$108.8M0.02%−224,463−24.1%Reduced
The PNC Financial Services Group, Inc.711,135$109.6M0.07%+66,747+10.4%Added
Dimensional Fund Advisors LP717,012$110.5M0.03%−3,962−0.5%Reduced
Squarepoint Ops LLC720,956$111.1M0.24%+495,712+220.1%Added
Duff & Phelps Investment Management Co745,178$114.8M1.35%−68,150−8.4%Reduced
Silvercrest Asset Management Group LLC790,709$121.9M0.82%−21,407−2.6%Reduced
GQG Partners LLC826,019$127.3M0.18%+826,019New
Bank of New York Mellon Corp886,767$136.7M0.03%−42,096−4.5%Reduced
Goldman Sachs Group Inc948,328$146.1M0.02%+139,343+17.2%Added
Charles Schwab Investment Management Inc960,468$148.0M0.03%+9,895+1.0%Added
Cooke & Bieler LP1,011,409$155.9M1.56%+86,472+9.3%Added
ProShare Advisors LLC1,041,742$160.5M0.32%−209,698−16.8%Reduced
SFMG, LLC1,043,125$160.8M12.07%−15,417−1.5%Reduced
Pictet Asset Management Holding SA1,129,878$174.1M0.18%−47,579−4.0%Reduced
Raymond James Financial Inc1,173,472$180.8M0.06%+277,997+31.0%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main1,175,640$181.2M0.19%−224,583−16.0%Reduced
Wells Fargo & Company1,207,121$186.0M0.04%+74,964+6.6%Added
American Century Companies Inc1,347,171$207.6M0.11%−117,647−8.0%Reduced
Perpetual Ltd1,411,508$217.5M2.55%−42,582−2.9%Reduced
UBS Asset Management Americas Inc1,521,083$234.4M0.05%+203,583+15.5%Added
Northern Trust Corp1,548,183$238.6M0.03%−78,592−4.8%Reduced
Legal & General Group Plc1,594,512$245.7M0.06%−87,598−5.2%Reduced
Norges Bank1,833,019$282.5M0.04%+400,113+27.9%Added
Massachusetts Financial Services Co1,899,283$292.7M0.09%+362,894+23.6%Added
Morgan Stanley2,499,880$385.3M0.03%+272,695+12.2%Added
Deutsche Bank AG2,862,853$441.2M0.16%−29,049−1.0%Reduced
Invesco Ltd.3,082,338$475.0M0.08%+91,254+3.1%Added
Bank of America Corp3,652,267$562.9M0.05%+1,778,653+94.9%Added
Geode Capital Management, LLC4,073,886$625.2M0.04%+63,166+1.6%Added
Aristotle Capital Management, LLC7,620,693$1.17B2.26%−177,037−2.3%Reduced
Price T Rowe Associates Inc7,743,775$1.19B0.14%−141,156−1.8%Reduced
State Street Corp10,273,580$1.58B0.06%−367,912−3.5%Reduced
Capital International Investors10,606,060$1.63B0.28%+838,896+8.6%Added
Wellington Management Group LLP11,383,922$1.75B0.32%−938,072−7.6%Reduced
BlackRock, Inc.14,340,868$2.21B0.04%+195,335+1.4%Added
Vanguard Group Inc20,708,998$3.19B0.05%−82,337−0.4%Reduced
Mizuho Markets Americas LLC0$00.00%−307,501−100.0%Sold out
Yaupon Capital Management LP0$00.00%−163,218−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−141,095−100.0%Sold out
AustralianSuper Pty Ltd0$00.00%−65,341−100.0%Sold out
PGGM Investments0$00.00%−54,410−100.0%Sold out
Ilmarinen Mutual Pension Insurance Co0$00.00%−42,500−100.0%Sold out
MetLife Investment Management0$00.00%−41,152−100.0%Sold out
Butensky & Cohen Financial Security, Inc0$00.00%−38,260−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−36,444−100.0%Sold out
CIBC World Markets Inc.0$00.00%−30,764−100.0%Sold out
Alaska Permanent Fund Corp0$00.00%−23,917−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−20,894−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−19,624−100.0%Sold out
Element Capital Management LLC0$00.00%−18,160−100.0%Sold out
1832 Asset Management L.P.0$00.00%−16,710−100.0%Sold out
Steel Peak Wealth Management LLC0$00.00%−15,081−100.0%Sold out
Quest Partners LLC0$00.00%−12,326−100.0%Sold out
Capital Fund Management S.A.0$00.00%−10,524−100.0%Sold out
DRW Securities, LLC0$00.00%−10,160−100.0%Sold out
Delta Global Management LP0$00.00%−9,622−100.0%Sold out
Sustainable Insight Capital Management, LLC0$00.00%−9,500−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−8,180−100.0%Sold out
Allstate Corp0$00.00%−7,632−100.0%Sold out
Alberta Investment Management Corp0$00.00%−7,500−100.0%Sold out
Park Avenue Securities LLC0$00.00%−7,233−100.0%Sold out
Jump Financial, LLC0$00.00%−7,006−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−6,563−100.0%Sold out
RIA Advisory Group LLC0$00.00%−6,084−100.0%Sold out
NovaPoint Capital, LLC0$00.00%−5,997−100.0%Sold out