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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, Q3 2021

Institutional positions in Atmos Energy Corp as of Sep 30, 2021. 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
536
−6 vs. Q2 2021
Shares held
112.6M
+4.85M (+4.5%) vs. Q2 2021
Total value
$9.93B
−$426.3M (−4.1%) vs. Q2 2021
New holders
50
220 more added
Sold out
56
159 more reduced

6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 536 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 heldQ3 2021: $9.93B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q2 2021.

Institutions holding ATO in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Mn Services Vermogensbeheer B.V.94,900$8.37M0.05%+1,000+1.1%Added
Cambiar Investors LLC94,817$8.36M0.29%−753−0.8%Reduced
Holocene Advisors, LP94,226$8.31M0.05%+17,455+22.7%Added
Royal Bank of Canada93,027$8.21M0.00%−618−0.7%Reduced
Nomura Asset Management Co Ltd88,772$7.83M0.04%+13,935+18.6%Added
UBS Group AG85,628$7.55M0.00%−34,485−28.7%Reduced
Raymond James & Associates84,847$7.48M0.01%+4,774+6.0%Added
FIL Ltd84,555$7.46M0.01%−439,151−83.9%Reduced
Public Employees Retirement System of Ohio74,598$6.58M0.02%−2,175−2.8%Reduced
Raymond James Financial Services Advisors, Inc.72,855$6.43M0.01%+4,946+7.3%Added
Squarepoint Ops LLC71,379$6.30M0.04%+38,408+116.5%Added
Northwest & Ethical Investments L.P.68,533$6.04M0.20%+2,121+3.2%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.67,923$5.99M0.02%+1,758+2.7%Added
Millennium Management LLC67,723$5.97M0.01%+61,387+968.9%Added
Virginia Retirement Systems Et Al67,300$5.94M0.06%−200−0.3%Reduced
Edgestream Partners, L.P.66,181$5.84M0.36%+66,181New
First National Bank of Omaha65,595$5.79M0.29%+18,851+40.3%Added
Qube Research & Technologies Ltd63,179$5.57M0.07%+63,179New
Stifel Financial Corp61,720$5.45M0.01%+909+1.5%Added
State of Alaska, Department of Revenue61,027$5.38M0.05%−3,351−5.2%Reduced
Janus Henderson Group PLC60,576$5.34M0.00%−136,474−69.3%Reduced
Swedbank AB59,160$5.22M0.01%+2,561+4.5%Added
Standard Life Aberdeen plc58,400$5.16M0.01%−3,139−5.1%Reduced
Voya Investment Management LLC56,426$4.98M0.01%+4,295+8.2%Added
State of New Jersey Common Pension Fund D55,026$4.85M0.02%−5,116−8.5%Reduced
Toronto Dominion Bank53,106$4.68M0.01%−3,850−6.8%Reduced
CBOE Vest Financial, LLC52,938$4.67M1.42%+13,809+35.3%Added
Ameriprise Financial Inc52,727$4.65M0.00%−20,381−27.9%Reduced
44 Wealth Management LLC51,801$4.57M1.75%+553+1.1%Added
Mattern Capital Management, LLC51,800$4.57M0.90%+3,722+7.7%Added
Treasurer of the State of North Carolina48,503$4.28M0.02%+1,559+3.3%Added
Cambridge Trust Co48,494$4.28M0.16%−1,312−2.6%Reduced
Nisa Investment Advisors, LLC48,380$4.27M0.03%−400−0.8%Reduced
State of Michigan Retirement System47,537$4.19M0.02%00.0%Unchanged
BCM Advisors, LLC45,449$4.14M1.11%00.0%Unchanged
Royal London Asset Management Ltd45,413$4.00M0.02%−2,663−5.5%Reduced
USS Investment Management Ltd45,304$3.99M0.03%+11,199+32.8%Added
Retirement Systems of Alabama44,914$3.96M0.01%−2,886−6.0%Reduced
TRH Financial, LLC44,734$3.94M1.55%+15,677+54.0%Added
Jacobs Levy Equity Management, Inc43,847$3.87M0.03%+6,468+17.3%Added
LPL Financial LLC42,362$3.74M0.00%−1,228−2.8%Reduced
Opus Investment Management Inc41,050$3.62M0.55%+3,000+7.9%Added
Aviva PLC39,545$3.49M0.02%−13,181−25.0%Reduced
American International Group, Inc.39,042$3.44M0.02%−807−2.0%Reduced
Natixis Advisors, L.P.38,937$3.43M0.01%−8,809−18.4%Reduced
Fuller & Thaler Asset Management, Inc.38,825$3.42M0.02%+25,600+193.6%Added
Teacher Retirement System of Texas37,392$3.30M0.02%−3,127−7.7%Reduced
Assenagon Asset Management S.A.37,287$3.29M0.01%+23,739+175.2%Added
Arizona State Retirement System36,671$3.23M0.03%+447+1.2%Added
Panagora Asset Management Inc36,437$3.21M0.02%−337−0.9%Reduced
Exchange Traded Concepts, LLC36,170$3.19M0.08%+36,170New
Amalgamated Bank35,209$3.10M0.03%−896−2.5%Reduced
Comerica Bank32,986$3.10M0.02%−4,971−13.1%Reduced
Shell Asset Management Co34,491$3.04M0.07%−4,619−11.8%Reduced
Edgemoor Investment Advisors, Inc.34,139$3.01M0.34%−1,376−3.9%Reduced
Texas Yale Capital Corp.33,275$2.94M0.17%+30+0.1%Added
Citadel Advisors LLC32,118$2.83M0.00%+958+3.1%Added
Envestnet Asset Management Inc32,059$2.83M0.00%+2,186+7.3%Added
Amarillo National Bank31,256$2.76M0.57%−66−0.2%Reduced
Susquehanna International Group, LLP31,133$2.75M0.00%−4,278−12.1%Reduced
Candriam Luxembourg S.C.A.30,592$2.70M0.02%−40,649−57.1%Reduced
Redpoint Investment Management Pty Ltd30,455$2.69M0.23%+45+0.1%Added
Ameritas Investment Partners, Inc.29,279$2.58M0.09%+1,441+5.2%Added
MetLife Investment Management29,116$2.57M0.02%−755−2.5%Reduced
Pacer Advisors, Inc.28,526$2.52M0.03%+11,982+72.4%Added
Cubist Systematic Strategies, LLC27,414$2.42M0.03%−5,048−15.6%Reduced
Mutual of America Capital Management LLC26,933$2.38M0.02%+73+0.3%Added
Seeyond26,878$2.37M0.23%−273−1.0%Reduced
Folger Nolan Fleming Douglas Capital Management, Inc25,992$2.29M0.28%+3,090+13.5%Added
Creative Planning25,254$2.23M0.00%+1,103+4.6%Added
Callodine Capital Management, LP25,000$2.21M0.88%+25,000New
Kinloch Capital, LLC24,955$2.20M1.55%+1,543+6.6%Added
Glenmede Trust Co NA24,455$2.16M0.01%+8,651+54.7%Added
Employees Retirement System of Texas24,409$2.15M0.03%00.0%Unchanged
Korea Investment CORP24,400$2.15M0.01%−4,800−16.4%Reduced
Whittier Trust Co24,304$2.14M0.04%−86−0.4%Reduced
Oppenheimer & Co Inc24,168$2.13M0.04%+2,724+12.7%Added
British Columbia Investment Management Corp24,079$2.12M0.01%+404+1.7%Added
Optimal Asset Management, Inc.23,891$2.11M0.26%+22+0.1%Added
DnB Asset Management AS23,689$2.09M0.01%+469+2.0%Added
Utah Retirement Systems23,306$2.06M0.03%−1,200−4.9%Reduced
Gulf International Bank (UK) Ltd23,281$2.05M0.03%−675−2.8%Reduced
Storebrand Asset Management AS23,085$2.04M0.01%+4,942+27.2%Added
Van Eck Associates Corp22,732$2.00M0.01%+2,065+10.0%Added
The PNC Financial Services Group, Inc.22,718$2.00M0.00%−1,473−6.1%Reduced
Advisor Group Holdings, Inc.22,545$1.99M0.00%+1,816+8.8%Added
Harel Insurance Investments & Financial Services Ltd.22,107$1.95M0.05%+22,107New
State of Tennessee, Treasury Department22,079$1.95M0.01%−1,196−5.1%Reduced
Shelton Capital Management21,921$1.93M0.08%−50,600−69.8%Reduced
Bank of Nova Scotia21,859$1.93M0.00%+1,905+9.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)21,743$1.92M0.01%+1,582+7.8%Added
Pensionfund Sabic21,500$1.90M0.40%+1,500+7.5%Added
Weiss Multi-Strategy Advisers LLC21,502$1.90M0.04%+21,502New
Hancock Whitney Corp21,187$1.87M0.07%−333−1.5%Reduced
HighTower Advisors, LLC20,850$1.83M0.00%+2,453+13.3%Added
Stephens Inc20,604$1.82M0.03%−8,884−30.1%Reduced
Trust Co of Vermont20,520$1.81M0.13%+385+1.9%Added
Texas Permanent School Fund20,207$1.78M0.02%−1,501−6.9%Reduced
Hexavest Inc.20,122$1.77M0.11%−1,528−7.1%Reduced
Mackay Shields LLC20,025$1.77M0.02%−578−2.8%Reduced