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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 2026

Institutional positions in Atmos Energy Corp as of Jun 30, 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
1,044
+36 vs. Q1 2026
Shares held
162.7M
+2.70M (+1.7%) vs. Q1 2026
Total value
$28.0B
−$1.52B (−5.1%) vs. Q1 2026
New holders
132
416 more added
Sold out
96
344 more reduced

12 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,044 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 2026: $28.0B
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 2026

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q1 2026.

Institutions holding ATO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Edmond de Rothschild Holding S.A.142$24.5K0.00%+142New
GW&K Investment Management, LLC141$24.0K0.00%+25+21.6%Added
MV Capital Management, Inc.136$23.4K0.00%−5−3.5%Reduced
Cassaday & Co Wealth Management LLC132$22.8K0.00%00.0%Unchanged
NBT Bank N A130$22.4K0.00%−135−50.9%Reduced
Bayforest Capital Ltd122$21.0K0.02%−418−77.4%Reduced
Centennial Bank122$21.0K0.01%00.0%Unchanged
Roble, Belko & Company, Inc120$21.0K0.00%00.0%Unchanged
SHP Wealth Management115$19.8K0.00%−84−42.2%Reduced
Owl Creek Wealth Partners LLC115$19.8K0.01%+5+4.5%Added
TIAA Wealth Investment Management LLC115$19.8K0.00%00.0%Unchanged
Ossiam113$19.5K0.00%+104+1,155.6%Added
Fortitude Family Office, LLC111$19.1K0.00%−24−17.8%Reduced
Barnes Dennig Private Wealth Management LLC102$17.6K0.01%+102New
Oakworth Capital, Inc.102$17.6K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc99$17.1K0.00%−1−1.0%Reduced
Advocate Investing Services LLC97$16.7K0.01%00.0%Unchanged
Sachetta, LLC93$16.0K0.01%+53+132.5%Added
DT Investment Partners, LLC92$15.8K0.00%00.0%Unchanged
Raleigh Capital Management Inc.90$15.4K0.00%+1+1.1%Added
Manchester Capital Management LLC89$15.3K0.00%−1−1.1%Reduced
Murphy & Mullick Capital Management Corp87$15.0K0.01%00.0%Unchanged
Institute for Wealth Management, LLC.86$14.8K0.00%+86New
LRI Investments, LLC82$14.1K0.00%−738−90.0%Reduced
Nemes Rush Group LLC80$13.8K0.00%00.0%Unchanged
Private Wealth Asset Management, LLC78$13.4K0.00%00.0%Unchanged
Oakmont Advisory Group, LLC77$13.2K0.01%+77New
Capital Advisors, Ltd. LLC73$13.0K0.00%+63+630.0%Added
Citizens National Bank Trust Department75$12.9K0.00%00.0%Unchanged
Financial Management Professionals, Inc.74$12.7K0.00%00.0%Unchanged
Key Financial Inc74$12.7K0.00%00.0%Unchanged
Basepoint Wealth LLC74$12.7K0.01%00.0%Unchanged
Glen Eagle Advisors, LLC70$12.1K0.00%00.0%Unchanged
Kemnay Advisory Services Inc.70$12.1K0.00%+4+6.1%Added
Capital Analysts, LLC70$12.0K0.00%00.0%Unchanged
Coston, McIsaac & Partners73$12.0K0.00%00.0%Unchanged
Richardson Financial Services Inc.69$11.9K0.01%−2−2.8%Reduced
Financially Speaking Inc63$11.7K0.06%00.0%Unchanged
Bell Investment Advisors, Inc67$11.5K0.00%+6+9.8%Added
Quest 10 Wealth Builders, Inc.67$11.5K0.01%−4−5.6%Reduced
Action Point Financial Planning, LLC67$11.2K0.00%+67New
Private Wealth Management Group, LLC62$10.7K0.00%00.0%Unchanged
Mosley Wealth Management62$10.7K0.00%−3−4.6%Reduced
Montgomery Financial Services LLC62$10.7K0.01%+62New
Pinnacle Wealth Planning Services, Inc.59$10.2K0.00%+10+20.4%Added
BOK Financial Private Wealth, Inc.57$9.82K0.00%+57New
North Star Investment Management Corp.54$9.30K0.00%+1+1.9%Added
Aspect Partners, LLC52$8.96K0.00%+44+550.0%Added
AdvisorNet Financial, Inc50$8.61K0.00%−15−23.1%Reduced
Alerus Financial NA50$8.61K0.00%00.0%Unchanged
Golden State Wealth Management, LLC49$8.59K0.00%00.0%Unchanged
Basecamp Wealth Advisors LLC49$8.44K0.00%00.0%Unchanged
Signature Equity Partners, LLC49$8.39K0.00%−25−33.8%Reduced
Greykasell Wealth Strategies, Inc.48$8.27K0.00%00.0%Unchanged
Silver Grove Financial Group, Inc.48$8.27K0.00%+48New
Markowski Investments47$8.03K0.00%+47New
Avion Wealth48$8.00K0.00%+19+65.5%Added
First Pacific Financial46$7.93K0.00%00.0%Unchanged
Brown, Lisle/Cummings, Inc.43$7.41K0.00%−14−24.6%Reduced
Joseph Group Capital Management43$7.41K0.00%−4−8.5%Reduced
Bangor Savings Bank43$7.41K0.00%00.0%Unchanged
First Horizon Corp42$7.24K0.00%00.0%Unchanged
Salomon & Ludwin, LLC39$6.75K0.00%00.0%Unchanged
Clear Street Markets LLC39$6.72K0.00%+12+44.4%Added
Plante Moran Financial Advisors, LLC38$6.55K0.00%+38New
Cornerstone Planning Group LLC36$6.43K0.00%−13−26.5%Reduced
JPL Wealth Management, LLC37$6.38K0.00%+9+32.1%Added
Networth Advisors, LLC33$5.68K0.00%−3−8.3%Reduced
E Fund Management (Hong Kong) Co., Ltd.33$5.68K0.00%00.0%Unchanged
Johnson Financial Group, Inc.31$5.34K0.00%00.0%Unchanged
Bogart Wealth, LLC31$5.34K0.00%+10+47.6%Added
Morse Asset Management, Inc30$5.17K0.00%00.0%Unchanged
Montag A & Associates Inc29$5.04K0.00%−28−49.1%Reduced
TSFG, LLC27$5.00K0.00%00.0%Unchanged
Truvestments Capital LLC29$5.00K0.00%00.0%Unchanged
Fulcrum Asset Management LLP28$4.90K0.00%−4,886−99.4%Reduced
Rossby Financial, LCC28$4.82K0.00%−536−95.0%Reduced
Lodestone Wealth Management LLC28$4.79K0.00%00.0%Unchanged
Crewe Advisors LLC27$4.65K0.00%+27New
Rialto Wealth Management, LLC26$4.48K0.00%−4−13.3%Reduced
City State Bank26$4.48K0.00%00.0%Unchanged
Millstone Evans Group, LLC26$4.48K0.00%+5+23.8%Added
Mowery & Schoenfeld Wealth Management, LLC25$4.31K0.01%00.0%Unchanged
Key Capital Management, INC25$4.31K0.00%00.0%Unchanged
TD Capital Management LLC23$4.01K0.00%00.0%Unchanged
UMA Financial Services, Inc.23$3.96K0.00%+5+27.8%Added
Granite FO LLC23$3.96K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC23$3.96K0.00%+1+4.5%Added
Tounjian Advisory Partners, LLC21$3.64K0.00%+21New
DiNuzzo Private Wealth, Inc.20$3.45K0.00%−2−9.1%Reduced
J.Safra Asset Management Corp20$3.44K0.00%00.0%Unchanged
West Paces Advisors Inc.20$3.44K0.00%+20New
Raffa Wealth Management, LLC19$3.27K0.00%+7+58.3%Added
First Command Advisory Services, Inc.17$2.93K0.00%00.0%Unchanged
FWL Investment Management, LLC16$2.76K0.00%+16New
Group One Trading, L.P.15$2.58K0.00%+15New
Creative Capital Management Investments LLC14$2.41K0.00%+14New
REAP Financial Group, LLC13$2.28K0.00%00.0%Unchanged
Park Square Financial Group, LLC13$2.24K0.02%−13−50.0%Reduced
Marquette Asset Management, LLC13$2.24K0.00%00.0%Unchanged