Skip to main content

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, Q1 2026

Institutional positions in Atmos Energy Corp as of Mar 31, 2026. 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
1,020
+57 vs. Q4 2025
Shares held
160.0M
+21.2M (+15.3%) vs. Q4 2025
Total value
$29.6B
+$6.29B (+27.0%) vs. Q4 2025
New holders
142
409 more added
Sold out
85
305 more reduced

17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,020 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 heldQ1 2026: $29.6B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q4 2025.

Institutions holding ATO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Peterson Wealth Management516$95.4K0.06%+516New
Contravisory Investment Management, Inc.520$96.1K0.02%−2,359−81.9%Reduced
Massmutual Trust Co FSB525$97.0K0.00%+120+29.6%Added
Armstrong Advisory Group, Inc527$97.3K0.01%00.0%Unchanged
Bayforest Capital Ltd540$99.7K0.11%+540New
Rossby Financial, LCC564$104.6K0.02%+556+6,950.0%Added
Colonial Trust Advisors568$104.9K0.01%00.0%Unchanged
Cary Street Partners Financial LLC580$107.1K0.00%+105+22.1%Added
Wellington-Altus USA Inc.634$109.2K0.06%00.0%Unchanged
Godsey & Gibb Associates627$115.8K0.01%−120−16.1%Reduced
HM Payson & Co700$129.3K0.00%00.0%Unchanged
Trust Co of Toledo NA720$133.0K0.01%00.0%Unchanged
Tompkins Financial Corp750$138.5K0.01%00.0%Unchanged
Hilltop National Bank750$138.5K0.03%00.0%Unchanged
Clearstead Advisors, LLC770$142.2K0.00%+275+55.6%Added
Tiaa Trust, National Association800$147.8K0.01%−3,876−82.9%Reduced
Missouri Trust & Investment Co800$147.8K0.04%00.0%Unchanged
Financial Network Wealth Advisors LLC805$148.6K0.15%−65−7.5%Reduced
Quent Capital, LLC817$150.9K0.01%+376+85.3%Added
LRI Investments, LLC820$151.5K0.01%−277−25.3%Reduced
Banque Cantonale Vaudoise832$154.0K0.01%+832New
BankPlus Trust Department842$155.5K0.04%00.0%Unchanged
Pinnacle Bancorp, Inc.881$162.7K0.05%00.0%Unchanged
Smithfield Trust Co914$169.0K0.01%+349+61.8%Added
Rothschild Investment LLC944$174.4K0.01%+829+720.9%Added
MidFirst Bank1,012$186.9K0.02%−25−2.4%Reduced
Rosenberg Matthew Hamilton1,039$191.9K0.04%00.0%Unchanged
Virtus ETF Advisers LLC1,050$194.0K0.09%−222−17.5%Reduced
Versant Capital Management, Inc1,053$194.5K0.02%+506+92.5%Added
Ancora Advisors, LLC1,083$200.1K0.00%+44+4.2%Added
Supplemental Annuity Collective Trust of NJ1,087$200.8K0.06%+1,087New
Maridea Wealth Management LLC1,091$201.5K0.03%+1,091New
FSA Advisors, Inc.1,094$202.0K0.13%+1,094New
Carter Financial Group, INC.1,106$204.4K0.13%+1,106New
Parkside Financial Bank & Trust1,107$204.6K0.02%+282+34.2%Added
DV Trading LLC1,111$205.2K0.02%+911+455.5%Added
Heritage Trust Co1,114$205.8K0.02%−250−18.3%Reduced
CWA Asset Management Group, LLC1,127$208.2K0.01%+1,127New
Lummis Asset Management, LP1,128$208.4K0.12%00.0%Unchanged
JB Capital LLC1,129$208.6K0.01%+1,129New
Savvy Advisors, Inc.1,131$208.9K0.01%+1,131New
Modern Wealth Management, LLC1,130$209.6K0.00%−162−12.5%Reduced
Colony Family Offices, LLC1,135$209.7K0.05%+1,135New
Keystone Financial Group, Inc.1,136$209.8K0.11%+6+0.5%Added
Schmidt P J Investment Management Inc1,143$211.1K0.04%+1,143New
Angeles Wealth Management, LLC1,148$212.1K0.01%+1,148New
Regent Peak Wealth Advisors LLC1,170$216.1K0.04%+1,170New
Wedmont Private Capital1,141$216.4K0.01%+1,141New
Optimize Financial Inc1,172$216.5K0.11%−365−23.7%Reduced
Patton Albertson Miller Group, LLC1,172$216.5K0.03%−79−6.3%Reduced
Plan A Wealth LLC1,174$216.9K0.10%+1,174New
Howe & Rusling Inc1,180$218.0K0.01%+1,180New
PCM Encore, LLC1,189$219.6K0.05%+1,189New
Evergreen Wealth Partners LLC1,189$219.7K0.17%+1,189New
RIA Advisory Group LLC1,192$220.1K0.05%+1,192New
CAPROCK Group, Inc.1,192$220.2K0.01%−2,594−68.5%Reduced
Carbahal Olsen Financial Services Group, LLC1,200$221.7K0.18%00.0%Unchanged
Associated Banc-Corp1,204$222.4K0.01%−169−12.3%Reduced
FIL Ltd1,224$226.1K0.00%−140−10.3%Reduced
AlphaCore Capital LLC1,228$226.8K0.01%−10−0.8%Reduced
One Wealth Capital Management, LLC1,213$227.0K0.10%−883−42.1%Reduced
Woodmont Investment Counsel LLC1,246$230.2K0.01%00.0%Unchanged
Camden Capital, LLC1,251$231.1K0.02%+1,251New
Fidelis Capital Partners, LLC1,252$231.3K0.02%+1,252New
Tocqueville Asset Management L.P.1,254$231.6K0.00%00.0%Unchanged
Tradition Wealth Management, LLC1,256$232.0K0.02%−2−0.2%Reduced
AlphaGrep UK Ltd1,261$232.9K0.07%+1,261New
Williamson Legacy Group, LLC1,262$233.1K0.17%−293−18.8%Reduced
Teza Capital Management LLC1,264$233.5K0.85%+1,264New
RiverFront Investment Group, LLC1,274$235.3K0.00%+1,274New
Stratos Wealth Advisors, LLC1,281$236.7K0.01%−169−11.7%Reduced
Motco1,290$238.3K0.02%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.1,292$238.7K0.00%+1,292New
Waters Parkerson & Co., LLC1,300$240.1K0.01%00.0%Unchanged
Change Path, LLC1,301$240.3K0.01%+1,301New
SeaCrest Wealth Management, LLC1,303$240.7K0.03%−9−0.7%Reduced
Lee Danner & Bass Inc1,304$240.9K0.02%00.0%Unchanged
Dynamic Technology Lab Private Ltd1,310$242.0K0.04%−415−24.1%Reduced
Resources Investment Advisors, LLC.1,311$242.2K0.00%−299−18.6%Reduced
Snowden Capital Advisors LLC1,317$243.3K0.01%−514−28.1%Reduced
Marble Harbor Investment Counsel, LLC1,333$246.2K0.03%00.0%Unchanged
Trust Point Inc.1,343$248.1K0.02%+11+0.8%Added
Teamwork Financial Advisors, LLC1,346$248.6K0.03%00.0%Unchanged
Councilmark Asset Management, LLC1,355$250.3K0.14%00.0%Unchanged
Roehl & Yi Investment Advisors, LLC1,360$251.2K0.09%+1,360New
Ashton Thomas Securities, LLC1,364$252.0K0.03%−21−1.5%Reduced
Symphony Financial, Ltd. Co.1,373$252.0K0.03%+1,373New
Prime Capital Investment Advisors, LLC1,364$252.0K0.00%+84+6.6%Added
Guardian Wealth Advisors, LLC1,381$255.1K0.02%−14−1.0%Reduced
Financial Security Advisor, Inc.1,382$255.4K0.05%+7+0.5%Added
Wealthcare Advisory Partners LLC1,383$255.5K0.00%+184+15.3%Added
Texas Capital Bank Wealth Management Services Inc1,385$255.8K0.02%+9+0.7%Added
South State Corp.1,388$256.4K0.01%−5−0.4%Reduced
Koshinski Asset Management, Inc.1,392$257.1K0.02%+1,392New
Trueblood Wealth Management, LLC1,404$259.3K0.10%+1,404New
Marshall Financial Group LLC1,405$259.5K0.04%−1,496−51.6%Reduced
CIBC World Markets Inc.1,406$259.7K0.00%+1,406New
Gradient Investments LLC1,416$261.6K0.00%00.0%Unchanged
Peachtree Investment Partners, LLC1,417$261.7K0.10%+203+16.7%Added
Avantax Planning Partners, Inc.1,420$262.3K0.01%00.0%Unchanged