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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
Oakworth Capital, Inc.102$15.7K0.00%−15−12.8%Reduced
Clark Wealth Partners105$16.1K0.01%+1+1.0%Added
Clear Street Markets LLC106$16.3K0.01%+106New
Vermillion & White Wealth Management Group, LLC108$16.7K0.01%00.0%Unchanged
Citizens National Bank Trust Department110$17.0K0.00%00.0%Unchanged
GeoWealth Management, LLC112$17.3K0.00%+2+1.8%Added
Roble, Belko & Company, Inc120$18.0K0.00%00.0%Unchanged
NBT Bank N A122$18.8K0.00%00.0%Unchanged
Centennial Bank122$18.8K0.01%00.0%Unchanged
CVA Family Office, LLC128$19.7K0.00%−31−19.5%Reduced
MV Capital Management, Inc.138$21.3K0.00%−13−8.6%Reduced
Ogorek Anthony Joseph149$22.0K0.01%00.0%Unchanged
SRS Capital Advisors, Inc.129$22.0K0.00%−214−62.4%Reduced
Anfield Capital Management, LLC144$22.2K0.01%+144New
TD Private Client Wealth LLC147$22.7K0.00%+1+0.7%Added
Frazier Financial Advisors, LLC147$22.7K0.02%+147New
Hanson & Doremus Investment Management150$23.0K0.00%00.0%Unchanged
Painted Porch Advisors LLC150$23.1K0.01%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC146$24.2K0.01%+146New
Semmax Financial Advisors Inc.154$25.3K0.01%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA170$26.2K0.01%+120+240.0%Added
Hollencrest Capital Management183$28.2K0.00%00.0%Unchanged
Deseret Mutual Benefit Administrators183$28.2K0.01%00.0%Unchanged
Redmont Wealth Advisors LLC191$29.4K0.04%+145+315.2%Added
CBIZ Investment Advisory Services, LLC196$30.2K0.00%00.0%Unchanged
Delta Asset Management LLC199$30.7K0.00%00.0%Unchanged
Cullen/Frost Bankers, Inc.200$30.8K0.00%−75−27.3%Reduced
First Financial Corp200$30.8K0.01%00.0%Unchanged
Hemington Wealth Management204$31.0K0.00%+9+4.6%Added
Pin Oak Investment Advisors Inc210$32.0K0.03%00.0%Unchanged
Massmutual Trust Co FSB214$33.0K0.00%+52+32.1%Added
First Horizon Advisors, Inc.220$34.0K0.00%+54+32.5%Added
Annis Gardner Whiting Capital Advisors, LLC231$35.6K0.01%+112+94.1%Added
Harvest Fund Management Co., Ltd243$37.0K0.00%−2,178−90.0%Reduced
American National Bank250$38.5K0.00%00.0%Unchanged
Clearstead Advisors, LLC259$39.9K0.00%+129+99.2%Added
Colonial Trust Co300$46.2K0.01%−19−6.0%Reduced
Cetera Trust Company, N.A300$46.2K0.03%00.0%Unchanged
Medallion Wealth Advisors, LLC300$46.2K0.02%00.0%Unchanged
St Germain D J Co Inc300$46.2K0.00%+100+50.0%Added
WFA of San Diego, LLC300$46.2K0.03%+300New
Aventura Private Wealth, LLC315$48.5K0.02%+310+6,200.0%Added
South Plains Financial, Inc.332$51.2K0.04%00.0%Unchanged
Bogart Wealth, LLC339$52.2K0.00%+336+11,200.0%Added
Proffitt & Goodson Inc367$56.6K0.01%00.0%Unchanged
Westside Investment Management, Inc.372$57.3K0.01%+72+24.0%Added
Private Trust Co NA373$57.5K0.01%−5−1.3%Reduced
Bank of New Hampshire375$57.8K0.01%00.0%Unchanged
Zions Bancorporation, National Association388$59.8K0.00%+7+1.8%Added
Onefund, LLC395$61.0K0.04%+395New
Ameritas Advisory Services, LLC397$61.1K0.00%+397New
Bruce G. Allen Investments, LLC418$64.4K0.05%+3+0.7%Added
Sentry Investment Management LLC428$65.0K0.04%00.0%Unchanged
Versant Capital Management, Inc433$66.7K0.01%00.0%Unchanged
AdvisorNet Financial, Inc440$67.8K0.00%−103−19.0%Reduced
Smartleaf Asset Management LLC451$68.9K0.01%−224−33.2%Reduced
Opal Wealth Advisors, LLC450$69.3K0.02%+450New
Cromwell Holdings LLC458$70.6K0.04%+12+2.7%Added
Cary Street Partners Financial LLC458$70.6K0.00%+34+8.0%Added
RMG Wealth Management LLC452$70.8K0.01%+452New
MUFG Securities EMEA plc468$72.1K0.00%+468New
Beacon Capital Management, LLC470$72.4K0.01%+1+0.2%Added
PFS Partners, LLC500$77.1K0.04%00.0%Unchanged
Armstrong Advisory Group, Inc500$77.1K0.01%00.0%Unchanged
S.A. Mason LLC545$84.0K0.04%+2+0.4%Added
Smithfield Trust Co565$87.0K0.00%00.0%Unchanged
Colonial Trust Advisors568$87.5K0.01%00.0%Unchanged
Geneos Wealth Management Inc.579$89.3K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC661$101.8K0.01%−100−13.1%Reduced
HM Payson & Co700$107.9K0.00%00.0%Unchanged
Parkside Financial Bank & Trust700$107.9K0.01%+1+0.1%Added
Covestor Ltd706$109.0K0.06%+235+49.9%Added
Trust Co of Toledo NA720$111.0K0.01%+720New
Ci Investments Inc.730$113.0K0.00%−22−2.9%Reduced
Tompkins Financial Corp750$115.6K0.01%00.0%Unchanged
Financial Network Wealth Advisors LLC797$122.9K0.15%+24+3.1%Added
Hantz Financial Services, Inc.806$124.0K0.00%+468+138.5%Added
GPS Wealth Strategies Group, LLC838$129.1K0.01%−116−12.2%Reduced
Missouri Trust & Investment Co846$130.4K0.04%−98−10.4%Reduced
Hilltop National Bank850$131.0K0.03%+850New
Pinnacle Bancorp, Inc.881$135.8K0.04%00.0%Unchanged
Slocum, Gordon & Co LLP900$138.7K0.11%00.0%Unchanged
Skopos Labs, Inc.900$138.7K0.02%+666+284.6%Added
Walleye Capital LLC927$142.9K0.00%−5,865−86.4%Reduced
Keystone Financial Group, Inc.957$150.0K0.10%+385+67.3%Added
Ancora Advisors, LLC988$152.3K0.00%00.0%Unchanged
Inlight Wealth Management, LLC1,000$154.1K0.08%00.0%Unchanged
Godsey & Gibb Associates1,017$156.7K0.01%−250−19.7%Reduced
CoreCap Advisors, LLC1,034$159.4K0.01%+673+186.4%Added
Rosenberg Matthew Hamilton1,039$160.1K0.04%00.0%Unchanged
Lummis Asset Management, LP1,128$173.8K0.11%00.0%Unchanged
LRI Investments, LLC1,181$182.0K0.02%+73+6.6%Added
Brown Brothers Harriman & Co1,182$182.2K0.00%+140+13.4%Added
FIL Ltd1,229$189.4K0.00%+1,229New
BankPlus Trust Department1,257$193.7K0.06%00.0%Unchanged
Creative Financial Designs Inc1,287$198.3K0.01%−498−27.9%Reduced
Waters Parkerson & Co., LLC1,300$200.3K0.01%00.0%Unchanged
Motco1,290$201.1K0.02%00.0%Unchanged
Toroso Investments, LLC1,307$201.4K0.00%−92−6.6%Reduced
Change Path, LLC1,322$203.7K0.01%+1,322New