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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
Versant Capital Management, Inc547$91.7K0.01%+107+24.3%Added
Smithfield Trust Co565$95.0K0.00%00.0%Unchanged
Colonial Trust Advisors568$95.2K0.01%00.0%Unchanged
Zions Bancorporation, National Association622$104.3K0.00%+15+2.5%Added
Simplex Trading, LLC624$104.6K0.00%+624New
Laurel Wealth Advisors LLC632$105.9K0.01%+632New
Wellington-Altus USA Inc.634$106.3K0.08%+634New
Federated Hermes, Inc.685$114.8K0.00%−1−0.1%Reduced
HM Payson & Co700$117.3K0.00%−5−0.7%Reduced
Trust Co of Toledo NA720$120.7K0.01%00.0%Unchanged
Godsey & Gibb Associates747$125.2K0.01%−170−18.5%Reduced
Hilltop National Bank750$125.7K0.03%−100−11.8%Reduced
Tompkins Financial Corp750$125.7K0.01%00.0%Unchanged
Missouri Trust & Investment Co800$134.1K0.04%00.0%Unchanged
Parkside Financial Bank & Trust825$138.3K0.01%+166+25.2%Added
BankPlus Trust Department842$141.1K0.04%−358−29.8%Reduced
Financial Network Wealth Advisors LLC870$145.9K0.15%+2+0.2%Added
Pinnacle Bancorp, Inc.881$147.7K0.04%00.0%Unchanged
Inlight Wealth Management, LLC1,000$167.6K0.06%00.0%Unchanged
MidFirst Bank1,037$173.8K0.01%+1,037New
Rosenberg Matthew Hamilton1,039$174.2K0.04%00.0%Unchanged
Ancora Advisors, LLC1,039$174.2K0.00%+51+5.2%Added
LRI Investments, LLC1,097$183.9K0.01%−125−10.2%Reduced
Lummis Asset Management, LP1,128$189.1K0.12%00.0%Unchanged
Keystone Financial Group, Inc.1,130$189.4K0.10%+7+0.6%Added
Archer Investment Corp1,183$198.3K0.04%−472−28.5%Reduced
Hantz Financial Services, Inc.1,190$199.0K0.00%+275+30.1%Added
Wealthcare Advisory Partners LLC1,199$201.1K0.00%−35−2.8%Reduced
Perigon Wealth Management, LLC1,200$201.2K0.00%−35−2.8%Reduced
Carbahal Olsen Financial Services Group, LLC1,200$201.2K0.15%00.0%Unchanged
Peachtree Investment Partners, LLC1,214$203.4K0.07%−56−4.4%Reduced
Advisors Capital Management, LLC1,233$206.7K0.00%+1,233New
AlphaCore Capital LLC1,238$207.5K0.00%+1,238New
Woodmont Investment Counsel LLC1,246$208.9K0.01%00.0%Unchanged
Patton Albertson Miller Group, LLC1,251$209.7K0.02%+1,251New
Tocqueville Asset Management L.P.1,254$210.2K0.00%+1,254New
Tradition Wealth Management, LLC1,258$210.9K0.02%+15+1.2%Added
nVerses Capital, LLC1,260$211.2K0.47%+1,260New
Virtus ETF Advisers LLC1,272$213.2K0.10%+1,272New
Boothbay Fund Management, LLC1,276$213.9K0.01%+1,276New
Prime Capital Investment Advisors, LLC1,280$214.6K0.00%+32+2.6%Added
Frec Markets, Inc.1,281$214.8K0.06%+1,281New
Motco1,290$216.2K0.02%00.0%Unchanged
Modern Wealth Management, LLC1,292$216.6K0.00%+1,292New
Waters Parkerson & Co., LLC1,300$217.9K0.01%00.0%Unchanged
SeaCrest Wealth Management, LLC1,312$218.0K0.02%+48+3.8%Added
Lee Danner & Bass Inc1,304$218.6K0.02%−221−14.5%Reduced
Fifth Third Wealth Advisors LLC1,309$219.4K0.01%−50−3.7%Reduced
Eagle Bay Advisors LLC1,309$219.5K0.16%+125+10.6%Added
Empower Advisory Group, LLC1,313$220.1K0.00%−188−12.5%Reduced
SRS Capital Advisors, Inc.1,324$221.9K0.01%−3,621−73.2%Reduced
Trust Point Inc.1,332$223.3K0.02%+2+0.2%Added
Marble Harbor Investment Counsel, LLC1,333$223.5K0.02%00.0%Unchanged
Abc Arbitrage SA1,339$224.5K0.02%+1,339New
Teamwork Financial Advisors, LLC1,346$225.6K0.02%−50−3.6%Reduced
Councilmark Asset Management, LLC1,355$227.1K0.13%00.0%Unchanged
BankChampaign, National Association1,360$228.0K0.23%+1,360New
FIL Ltd1,364$228.6K0.00%+135+11.0%Added
Heritage Trust Co1,364$228.6K0.02%+1,364New
Associated Banc-Corp1,373$230.2K0.01%+74+5.7%Added
Financial Security Advisor, Inc.1,375$230.5K0.04%+7+0.5%Added
Texas Capital Bank Wealth Management Services Inc1,376$230.7K0.01%+6+0.4%Added
New Age Alpha Advisors, LLC1,377$230.8K0.01%−1,845−57.3%Reduced
ORG Partners LLC1,376$231.0K0.04%+35+2.6%Added
West Family Investments, Inc.1,380$231.3K0.05%+44+3.3%Added
Ashton Thomas Securities, LLC1,385$232.2K0.04%+11+0.8%Added
Quest Partners LLC1,391$233.2K0.01%−2,274−62.0%Reduced
South State Corp.1,393$233.5K0.01%+5+0.4%Added
Guardian Wealth Advisors, LLC1,395$233.8K0.01%00.0%Unchanged
Souders Financial Advisors1,398$234.3K0.03%+56+4.2%Added
Second Line Capital, LLC1,403$235.2K0.05%00.0%Unchanged
Arkadios Wealth Advisors1,408$235.9K0.00%−120−7.9%Reduced
Gradient Investments LLC1,416$237.4K0.00%−2−0.1%Reduced
Avantax Planning Partners, Inc.1,420$238.0K0.01%00.0%Unchanged
Signature Estate & Investment Advisors LLC1,425$238.9K0.00%+14+1.0%Added
Azimuth Capital Investment Management LLC1,425$238.9K0.01%+150+11.8%Added
Belpointe Asset Management LLC1,444$242.1K0.01%00.0%Unchanged
Stratos Wealth Advisors, LLC1,450$243.2K0.01%−142−8.9%Reduced
Lighthouse Investment Partners, LLC1,454$243.7K0.01%+1,454New
SC&H Financial Advisors, Inc.1,455$243.9K0.04%−1,369−48.5%Reduced
Harbour Investments, Inc.1,469$246.2K0.00%+35+2.4%Added
Steigerwald, Gordon & Koch Inc.1,471$246.6K0.02%+25+1.7%Added
Cullen Investment Group, Ltd.1,487$248.0K0.03%00.0%Unchanged
Savant Capital, LLC1,495$250.6K0.00%+1,495New
EverSource Wealth Advisors, LLC1,502$251.8K0.01%+175+13.2%Added
Los Angeles Capital Management LLC1,454$252.1K0.00%−43−2.9%Reduced
Csenge Advisory Group1,505$252.2K0.01%+117+8.4%Added
MAI Capital Management1,514$253.8K0.00%+388+34.5%Added
We Are One Seven, LLC1,514$253.9K0.01%+62+4.3%Added
Spire Wealth Management1,516$254.2K0.01%+1,469+3,125.5%Added
Birch Capital Management, LLC1,518$254.5K0.13%00.0%Unchanged
DRW Securities, LLC1,527$256.0K0.02%+1,527New
AlTi Global, Inc.1,532$256.8K0.01%−15−1.0%Reduced
Optimize Financial Inc1,537$257.6K0.13%+20+1.3%Added
Burney Co1,550$259.8K0.01%00.0%Unchanged
Williamson Legacy Group, LLC1,555$260.7K0.20%−401−20.5%Reduced
Allworth Financial LP1,558$261.1K0.00%+80+5.4%Added
Hennion & Walsh Asset Management, Inc.1,561$261.7K0.01%+1,561New
Bryn Mawr Trust Co1,565$262.3K0.01%−778−33.2%Reduced
Cigna Investments Inc1,567$263.0K0.04%00.0%Unchanged