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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
Vanguard Group Inc20,708,998$3.19B0.05%−82,337−0.4%Reduced
BlackRock, Inc.14,340,868$2.21B0.04%+195,335+1.4%Added
Wellington Management Group LLP11,383,922$1.75B0.32%−938,072−7.6%Reduced
Capital International Investors10,606,060$1.63B0.28%+838,896+8.6%Added
State Street Corp10,273,580$1.58B0.06%−367,912−3.5%Reduced
Price T Rowe Associates Inc7,743,775$1.19B0.14%−141,156−1.8%Reduced
Aristotle Capital Management, LLC7,620,693$1.17B2.26%−177,037−2.3%Reduced
Geode Capital Management, LLC4,073,886$625.2M0.04%+63,166+1.6%Added
Bank of America Corp3,652,267$562.9M0.05%+1,778,653+94.9%Added
Invesco Ltd.3,082,338$475.0M0.08%+91,254+3.1%Added
Deutsche Bank AG2,862,853$441.2M0.16%−29,049−1.0%Reduced
Morgan Stanley2,499,880$385.3M0.03%+272,695+12.2%Added
Massachusetts Financial Services Co1,899,283$292.7M0.09%+362,894+23.6%Added
Norges Bank1,833,019$282.5M0.04%+400,113+27.9%Added
Legal & General Group Plc1,594,512$245.7M0.06%−87,598−5.2%Reduced
Northern Trust Corp1,548,183$238.6M0.03%−78,592−4.8%Reduced
UBS Asset Management Americas Inc1,521,083$234.4M0.05%+203,583+15.5%Added
Perpetual Ltd1,411,508$217.5M2.55%−42,582−2.9%Reduced
American Century Companies Inc1,347,171$207.6M0.11%−117,647−8.0%Reduced
Wells Fargo & Company1,207,121$186.0M0.04%+74,964+6.6%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main1,175,640$181.2M0.19%−224,583−16.0%Reduced
Raymond James Financial Inc1,173,472$180.8M0.06%+277,997+31.0%Added
Pictet Asset Management Holding SA1,129,878$174.1M0.18%−47,579−4.0%Reduced
SFMG, LLC1,043,125$160.8M12.07%−15,417−1.5%Reduced
ProShare Advisors LLC1,041,742$160.5M0.32%−209,698−16.8%Reduced
Cooke & Bieler LP1,011,409$155.9M1.56%+86,472+9.3%Added
Charles Schwab Investment Management Inc960,468$148.0M0.03%+9,895+1.0%Added
Goldman Sachs Group Inc948,328$146.1M0.02%+139,343+17.2%Added
Bank of New York Mellon Corp886,767$136.7M0.03%−42,096−4.5%Reduced
GQG Partners LLC826,019$127.3M0.18%+826,019New
Silvercrest Asset Management Group LLC790,709$121.9M0.82%−21,407−2.6%Reduced
Duff & Phelps Investment Management Co745,178$114.8M1.35%−68,150−8.4%Reduced
Squarepoint Ops LLC720,956$111.1M0.24%+495,712+220.1%Added
Dimensional Fund Advisors LP717,012$110.5M0.03%−3,962−0.5%Reduced
The PNC Financial Services Group, Inc.711,135$109.6M0.07%+66,747+10.4%Added
UBS Group AG705,748$108.8M0.02%−224,463−24.1%Reduced
Cbre Clarion Securities LLC674,233$103.9M1.58%+130,536+24.0%Added
Envestnet Asset Management Inc647,173$99.7M0.03%+44,561+7.4%Added
Neuberger Berman Group LLC609,354$93.9M0.07%+34,171+5.9%Added
SEI Investments Co593,471$91.5M0.11%−3,820−0.6%Reduced
Royal Bank of Canada590,135$90.9M0.02%+64,147+12.2%Added
First Trust Advisors LP588,496$90.7M0.07%−47,002−7.4%Reduced
California Public Employees Retirement System579,801$89.4M0.06%−87,408−13.1%Reduced
HSBC Holdings PLC552,595$85.1M0.05%+134,748+32.2%Added
Nilsine Partners, LLC526,140$81.1M8.19%−7,997−1.5%Reduced
Energy Income Partners, LLC484,978$74.7M1.47%+3,471+0.7%Added
Swiss National Bank480,400$74.0M0.04%+42,000+9.6%Added
Chevy Chase Trust Holdings, Inc.464,186$71.5M0.21%+78,101+20.2%Added
Capital Group Private Client Services, Inc.460,283$70.9M0.61%+3,381+0.7%Added
Amundi465,912$70.6M0.02%−420,939−47.5%Reduced
Earnest Partners LLC449,429$69.3M0.31%−1,619−0.4%Reduced
Barclays PLC443,722$68.4M0.03%−31,606−6.6%Reduced
AQR Capital Management LLC446,754$68.3M0.06%+190,070+74.0%Added
Jennison Associates LLC437,881$67.5M0.04%−6,583−1.5%Reduced
Nuveen, LLC434,637$67.0M0.02%+11,988+2.8%Added
Huntington National Bank427,680$65.9M0.43%+28,608+7.2%Added
Sumitomo Mitsui Trust Holdings, Inc.424,934$65.5M0.04%+6,291+1.5%Added
JPMorgan Chase & Co422,704$65.1M0.00%−186,275−30.6%Reduced
Principal Financial Group Inc376,534$58.0M0.03%+161,422+75.0%Added
New York State Common Retirement Fund356,620$55.0M0.07%+1,653+0.5%Added
Benjamin Edwards Inc351,951$54.2M0.69%+5,974+1.7%Added
BNP Paribas Arbitrage, SA351,728$54.2M0.04%−102,389−22.5%Reduced
T. Rowe Price Investment Management, Inc.351,692$54.2M0.03%−57,345−14.0%Reduced
Merewether Investment Management, LP348,536$53.7M1.55%+13,842+4.1%Added
Rhumbline Advisers348,342$53.7M0.05%+7,834+2.3%Added
CBOE Vest Financial, LLC334,708$51.6M0.73%−58,254−14.8%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.332,551$51.2M0.04%+14,881+4.7%Added
Citigroup Inc326,415$50.3M0.03%+140,957+76.0%Added
Bahl & Gaynor Inc323,257$49.8M0.25%+17,375+5.7%Added
Partners Group Holding AG323,145$49.8M2.34%−43,397−11.8%Reduced
Boston Trust Walden Corp318,407$49.1M0.35%−22,243−6.5%Reduced
Clark Capital Management Group, Inc.317,860$49.0M0.34%+12,091+4.0%Added
Danske Bank A/S315,292$48.6M0.12%+189,805+151.3%Added
Reaves W H & Co Inc313,020$48.2M1.07%−345,115−52.4%Reduced
KBC Group NV312,868$48.2M0.13%−15,317−4.7%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys311,517$48.0M0.25%+15,192+5.1%Added
Nomura Asset Management Co Ltd287,969$44.4M0.12%−38,128−11.7%Reduced
Adage Capital Partners GP, L.L.C.285,504$44.0M0.07%−96,900−25.3%Reduced
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH275,000$42.4M1.20%−75,318−21.5%Reduced
Aventail Capital Group, LP272,113$41.9M1.86%+28,793+11.8%Added
Capital International Inc267,741$41.3M0.40%−12,930−4.6%Reduced
Stifel Financial Corp259,166$39.9M0.04%+4,075+1.6%Added
TD Asset Management Inc250,515$38.6M0.03%−198,084−44.2%Reduced
Royal London Asset Management Ltd242,611$37.4M0.09%−2,745−1.1%Reduced
Schroder Investment Management Group218,893$33.7M0.03%+10,842+5.2%Added
Lazard Asset Management LLC215,793$33.3M0.05%+80,608+59.6%Added
Universal- Beteiligungs- und Servicegesellschaft mbH215,202$33.2M0.06%+12,521+6.2%Added
Dearborn Partners LLC215,094$33.1M1.57%+1,363+0.6%Added
Great West Life Assurance Co208,163$32.1M0.05%+5,476+2.7%Added
National Pension Service206,945$31.9M0.03%+1,659+0.8%Added
Public Employees Retirement Association of Colorado204,494$31.5M0.12%+875+0.4%Added
Bank of Montreal195,793$30.2M0.02%−37,679−16.1%Reduced
Marshall Wace, LLP192,286$29.6M0.04%+3,684+2.0%Added
M&G Plc190,764$29.4M0.16%+10,718+6.0%Added
Exchange Traded Concepts, LLC190,373$29.3M0.37%−11,686−5.8%Reduced
California State Teachers Retirement System189,838$29.3M0.03%−284,542−60.0%Reduced
Standard Life Aberdeen plc186,479$28.7M0.05%+10,317+5.9%Added
Korea Investment CORP182,004$28.0M0.06%+53,194+41.3%Added
Canada Pension Plan Investment Board178,244$27.5M0.02%+79,734+80.9%Added
Victory Capital Management Inc173,649$26.8M0.02%+28,246+19.4%Added