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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
Vanguard Group Inc21,032,554$3.53B0.05%+276,485+1.3%Added
BlackRock, Inc.17,023,479$2.85B0.05%+2,462,570+16.9%Added
Capital International Investors11,893,826$1.99B0.31%+927,986+8.5%Added
State Street Corp10,786,358$1.81B0.06%+155,836+1.5%Added
Wellington Management Group LLP10,010,508$1.68B0.29%−457,320−4.4%Reduced
Price T Rowe Associates Inc6,597,064$1.11B0.12%−1,220,132−15.6%Reduced
Aristotle Capital Management, LLC6,370,129$1.07B2.14%−864,600−12.0%Reduced
Geode Capital Management, LLC4,214,985$703.8M0.04%+78,438+1.9%Added
Bank of America Corp3,782,500$634.1M0.05%+45,447+1.2%Added
Invesco Ltd.3,013,774$505.2M0.05%−85,586−2.8%Reduced
Deutsche Bank AG2,887,367$484.0M0.16%+47,860+1.7%Added
Morgan Stanley2,755,913$462.0M0.03%−152,181−5.2%Reduced
Norges Bank1,977,131$331.4M0.04%+1,977,131New
Massachusetts Financial Services Co1,975,460$331.1M0.11%+25,963+1.3%Added
Legal & General Group Plc1,580,574$265.0M0.06%+1,686+0.1%Added
Northern Trust Corp1,511,339$253.3M0.03%−8,166−0.5%Reduced
Perpetual Ltd1,398,334$234.4M3.39%−85,031−5.7%Reduced
Wells Fargo & Company1,349,049$226.1M0.04%+73,600+5.8%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main1,267,928$212.5M0.19%+27,145+2.2%Added
Goldman Sachs Group Inc1,246,554$209.0M0.03%−64,291−4.9%Reduced
Raymond James Financial Inc1,111,320$186.3M0.06%−64,644−5.5%Reduced
SFMG, LLC1,060,389$177.8M11.93%+18,247+1.8%Added
Pictet Asset Management Holding SA1,059,841$177.7M0.17%−29,357−2.7%Reduced
American Century Companies Inc1,040,001$174.3M0.09%−198,546−16.0%Reduced
UBS Asset Management Americas Inc1,029,303$172.5M0.04%+20,816+2.1%Added
Charles Schwab Investment Management Inc980,844$164.4M0.03%+11,338+1.2%Added
ProShare Advisors LLC948,759$159.0M0.28%−163,338−14.7%Reduced
Bank of New York Mellon Corp896,218$150.2M0.03%−3,156−0.4%Reduced
The PNC Financial Services Group, Inc.874,973$146.7M0.08%+105,508+13.7%Added
Amundi870,739$146.0M0.04%+301,802+53.0%Added
HSBC Holdings PLC816,586$136.9M0.08%+286,406+54.0%Added
Dimensional Fund Advisors LP733,398$122.9M0.03%+539+0.1%Added
Silvercrest Asset Management Group LLC725,203$121.6M0.84%−35,453−4.7%Reduced
GQG Partners LLC703,592$117.9M0.19%−15,964−2.2%Reduced
Cohen & Steers, Inc.671,396$112.5M0.20%+29,400+4.6%Added
Duff & Phelps Investment Management Co652,306$109.3M1.24%−45,198−6.5%Reduced
PFA Pension, Forsikringsaktieselskab639,039$107.7M0.31%+639,039New
Cooke & Bieler LP640,641$107.4M1.12%−296,972−31.7%Reduced
Royal Bank of Canada598,809$100.4M0.02%−129,094−17.7%Reduced
Neuberger Berman Group LLC596,913$100.1M0.07%−7,368−1.2%Reduced
UBS Group AG587,461$98.5M0.02%−282,015−32.4%Reduced
SEI Investments Co574,099$96.2M0.09%−63,722−10.0%Reduced
Envestnet Asset Management Inc551,866$92.5M0.03%−83,874−13.2%Reduced
Citadel Advisors LLC531,849$89.2M0.06%+381,226+253.1%Added
Cbre Clarion Securities LLC529,421$88.7M1.30%−204,720−27.9%Reduced
AQR Capital Management LLC506,617$84.9M0.04%+18,423+3.8%Added
Chevy Chase Trust Holdings, Inc.505,126$84.7M0.23%+1,662+0.3%Added
Nilsine Partners, LLC501,176$84.0M7.28%−22,585−4.3%Reduced
Principal Financial Group Inc486,229$81.5M0.04%+114,836+30.9%Added
Nuveen, LLC483,984$81.1M0.02%−10,127−2.0%Reduced
California State Teachers Retirement System477,492$80.0M0.08%+900+0.2%Added
Huntington National Bank464,971$77.9M0.47%+17,352+3.9%Added
First Trust Advisors LP461,418$77.3M0.06%−116,398−20.1%Reduced
Swiss National Bank439,900$73.7M0.04%−18,000−3.9%Reduced
Earnest Partners LLC426,836$71.6M0.31%−12,274−2.8%Reduced
Sumitomo Mitsui Trust Holdings, Inc.408,202$68.4M0.04%−10,787−2.6%Reduced
California Public Employees Retirement System397,862$66.7M0.04%−80,441−16.8%Reduced
Clark Capital Management Group, Inc.369,236$61.9M0.38%+45,194+13.9%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.362,757$61.4M0.04%+10,635+3.0%Added
JPMorgan Chase & Co361,783$60.6M0.00%−117,525−24.5%Reduced
Rhumbline Advisers360,345$60.4M0.05%+7,903+2.2%Added
Energy Income Partners, LLC359,821$60.3M1.09%−125,566−25.9%Reduced
Manufacturers Life Insurance Company, The358,992$60.2M0.05%+80,545+28.9%Added
Jennison Associates LLC353,048$59.2M0.04%−7,517−2.1%Reduced
Benjamin Edwards Inc352,217$59.0M0.65%−5,752−1.6%Reduced
Boston Trust Walden Corp343,445$57.6M0.43%−17,552−4.9%Reduced
Citigroup Inc336,865$56.5M0.04%+11,442+3.5%Added
Toronto Dominion Bank329,383$55.2M0.10%+210,237+176.5%Added
KBC Group NV324,373$54.4M0.12%+5,064+1.6%Added
Bahl & Gaynor Inc323,292$54.2M0.27%−4,751−1.4%Reduced
Barclays PLC320,876$53.8M0.02%−29,128−8.3%Reduced
BNP Paribas Arbitrage, SA318,227$53.3M0.03%+50,853+19.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys311,213$52.2M0.26%+1,750+0.6%Added
New York State Common Retirement Fund297,033$49.8M0.07%−58,887−16.5%Reduced
Capital International Inc289,663$48.6M0.38%+30,080+11.6%Added
T. Rowe Price Investment Management, Inc.280,597$47.0M0.03%−71,749−20.4%Reduced
CBOE Vest Financial, LLC278,526$46.7M0.59%−69,151−19.9%Reduced
Nomura Asset Management Co Ltd265,871$44.6M0.11%−37,309−12.3%Reduced
Munich Reinsurance Co Stock Corp in Munich251,940$42.5M1.03%+251,940New
Royal London Asset Management Ltd248,675$41.7M0.09%−637−0.3%Reduced
Schroder Investment Management Group242,920$41.0M0.03%+4,289+1.8%Added
Partners Group Holding AG241,751$40.5M2.74%−29,938−11.0%Reduced
Mizuho Markets Americas LLC240,814$40.4M0.87%−44,975−15.7%Reduced
Merewether Investment Management, LP238,236$39.9M0.92%+165,300+226.6%Added
Stifel Financial Corp228,619$38.3M0.03%−15,823−6.5%Reduced
National Pension Service221,670$37.2M0.03%+12,979+6.2%Added
Standard Life Aberdeen plc215,066$36.1M0.06%+13,428+6.7%Added
Eurizon Capital SGR S.p.A.206,292$34.6M0.11%+206,292New
Dearborn Partners LLC206,052$34.5M1.72%−8,004−3.7%Reduced
M&G Plc204,364$34.3M0.18%−5,731−2.7%Reduced
Public Employees Retirement Association of Colorado204,494$34.3M0.13%00.0%Unchanged
Bank of Montreal200,645$33.6M0.01%+3,705+1.9%Added
Aventail Capital Group, LP191,137$32.0M1.85%−146,961−43.5%Reduced
Great West Life Assurance Co189,814$31.8M0.06%−32,123−14.5%Reduced
Allspring Global Investments Holdings, LLC182,173$30.9M0.05%+20,408+12.6%Added
Alliancebernstein L.P.181,364$30.4M0.01%−2,277−1.2%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH197,856$29.8M0.05%−24,906−11.2%Reduced
Korea Investment CORP175,347$29.4M0.06%−1,832−1.0%Reduced
LPL Financial LLC174,655$29.3M0.01%+21,587+14.1%Added
Exchange Traded Concepts, LLC173,708$29.1M0.24%−4,516−2.5%Reduced