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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
Winton Group Ltd11,853$1.04M0.06%−3,586−23.2%Reduced
Hartford Investment Management Co11,925$1.05M0.03%−1,986−14.3%Reduced
Ethic Inc.12,094$1.07M0.11%+1,829+17.8%Added
Blackhawk Capital Partners LLC.12,124$1.07M0.68%+1,955+19.2%Added
Toroso Investments, LLC12,321$1.09M0.04%+973+8.6%Added
Synovus Financial Corp12,507$1.10M0.01%−900−6.7%Reduced
Oppenheimer Asset Management Inc.13,050$1.15M0.02%+201+1.6%Added
Segall Bryant & Hamill, LLC13,379$1.18M0.01%−2,500−15.7%Reduced
Rockefeller Capital Management L.P.13,378$1.18M0.01%+11,548+631.0%Added
Dynamic Technology Lab Private Ltd13,612$1.20M0.14%+13,612New
American National Insurance Co13,646$1.20M0.05%−50−0.4%Reduced
Cresset Asset Management, LLC13,668$1.21M0.02%+2,259+19.8%Added
Legacy Financial Strategies, LLC14,046$1.24M0.58%+1,216+9.5%Added
Gateway Investment Advisers LLC14,059$1.24M0.01%−17,335−55.2%Reduced
San Luis Wealth Advisors LLC14,243$1.26M0.70%+14,243New
Cambridge Investment Research Advisors, Inc.14,474$1.28M0.01%−655−4.3%Reduced
Ilmarinen Mutual Pension Insurance Co14,700$1.30M0.01%00.0%Unchanged
Canada Pension Plan Investment Board15,000$1.32M0.00%+15,000New
Prospera Financial Services Inc15,259$1.35M0.07%+474+3.2%Added
Citizens Business Bank15,300$1.35M0.18%+2,000+15.0%Added
Metropolitan Life Insurance Co15,352$1.35M0.02%−508−3.2%Reduced
Crossmark Global Holdings, Inc.15,457$1.36M0.03%+10+0.1%Added
Baird Financial Group, Inc.16,076$1.42M0.00%+2,761+20.7%Added
Dean Investment Associates, LLC16,407$1.45M0.27%+1,438+9.6%Added
Jane Street Group, LLC16,443$1.45M0.00%+16,443New
IFM Investors Pty Ltd16,567$1.46M0.03%+144+0.9%Added
Aigen Investment Management, LP17,302$1.53M0.29%+17,302New
MD Financial Management Inc.17,406$1.53M0.04%−79−0.5%Reduced
KBC Group NV17,742$1.56M0.01%+258+1.5%Added
Advisors Asset Management, Inc.18,062$1.59M0.02%+1,175+7.0%Added
Commonwealth Equity Services, LLC18,716$1.65M0.00%−254−1.3%Reduced
Nissay Asset Management Corp18,984$1.67M0.01%+3,176+20.1%Added
Banque Cantonale Vaudoise19,097$1.68M0.07%−10,900−36.3%Reduced
Moody National Bank Trust Division19,296$1.70M0.02%−50−0.3%Reduced
Johnson Investment Counsel Inc19,610$1.73M0.02%+180+0.9%Added
Varma Mutual Pension Insurance Co20,001$1.76M0.03%00.0%Unchanged
Mackay Shields LLC20,025$1.77M0.02%−578−2.8%Reduced
Hexavest Inc.20,122$1.77M0.11%−1,528−7.1%Reduced
Texas Permanent School Fund20,207$1.78M0.02%−1,501−6.9%Reduced
Trust Co of Vermont20,520$1.81M0.13%+385+1.9%Added
Stephens Inc20,604$1.82M0.03%−8,884−30.1%Reduced
HighTower Advisors, LLC20,850$1.83M0.00%+2,453+13.3%Added
Hancock Whitney Corp21,187$1.87M0.07%−333−1.5%Reduced
Pensionfund Sabic21,500$1.90M0.40%+1,500+7.5%Added
Weiss Multi-Strategy Advisers LLC21,502$1.90M0.04%+21,502New
Zurcher Kantonalbank (Zurich Cantonalbank)21,743$1.92M0.01%+1,582+7.8%Added
Bank of Nova Scotia21,859$1.93M0.00%+1,905+9.5%Added
Shelton Capital Management21,921$1.93M0.08%−50,600−69.8%Reduced
State of Tennessee, Treasury Department22,079$1.95M0.01%−1,196−5.1%Reduced
Harel Insurance Investments & Financial Services Ltd.22,107$1.95M0.05%+22,107New
Advisor Group Holdings, Inc.22,545$1.99M0.00%+1,816+8.8%Added
The PNC Financial Services Group, Inc.22,718$2.00M0.00%−1,473−6.1%Reduced
Van Eck Associates Corp22,732$2.00M0.01%+2,065+10.0%Added
Storebrand Asset Management AS23,085$2.04M0.01%+4,942+27.2%Added
Gulf International Bank (UK) Ltd23,281$2.05M0.03%−675−2.8%Reduced
Utah Retirement Systems23,306$2.06M0.03%−1,200−4.9%Reduced
DnB Asset Management AS23,689$2.09M0.01%+469+2.0%Added
Optimal Asset Management, Inc.23,891$2.11M0.26%+22+0.1%Added
British Columbia Investment Management Corp24,079$2.12M0.01%+404+1.7%Added
Oppenheimer & Co Inc24,168$2.13M0.04%+2,724+12.7%Added
Whittier Trust Co24,304$2.14M0.04%−86−0.4%Reduced
Korea Investment CORP24,400$2.15M0.01%−4,800−16.4%Reduced
Employees Retirement System of Texas24,409$2.15M0.03%00.0%Unchanged
Glenmede Trust Co NA24,455$2.16M0.01%+8,651+54.7%Added
Kinloch Capital, LLC24,955$2.20M1.55%+1,543+6.6%Added
Callodine Capital Management, LP25,000$2.21M0.88%+25,000New
Creative Planning25,254$2.23M0.00%+1,103+4.6%Added
Folger Nolan Fleming Douglas Capital Management, Inc25,992$2.29M0.28%+3,090+13.5%Added
Seeyond26,878$2.37M0.23%−273−1.0%Reduced
Mutual of America Capital Management LLC26,933$2.38M0.02%+73+0.3%Added
Cubist Systematic Strategies, LLC27,414$2.42M0.03%−5,048−15.6%Reduced
Pacer Advisors, Inc.28,526$2.52M0.03%+11,982+72.4%Added
MetLife Investment Management29,116$2.57M0.02%−755−2.5%Reduced
Ameritas Investment Partners, Inc.29,279$2.58M0.09%+1,441+5.2%Added
Redpoint Investment Management Pty Ltd30,455$2.69M0.23%+45+0.1%Added
Candriam Luxembourg S.C.A.30,592$2.70M0.02%−40,649−57.1%Reduced
Susquehanna International Group, LLP31,133$2.75M0.00%−4,278−12.1%Reduced
Amarillo National Bank31,256$2.76M0.57%−66−0.2%Reduced
Envestnet Asset Management Inc32,059$2.83M0.00%+2,186+7.3%Added
Citadel Advisors LLC32,118$2.83M0.00%+958+3.1%Added
Texas Yale Capital Corp.33,275$2.94M0.17%+30+0.1%Added
Edgemoor Investment Advisors, Inc.34,139$3.01M0.34%−1,376−3.9%Reduced
Shell Asset Management Co34,491$3.04M0.07%−4,619−11.8%Reduced
Comerica Bank32,986$3.10M0.02%−4,971−13.1%Reduced
Amalgamated Bank35,209$3.10M0.03%−896−2.5%Reduced
Exchange Traded Concepts, LLC36,170$3.19M0.08%+36,170New
Panagora Asset Management Inc36,437$3.21M0.02%−337−0.9%Reduced
Arizona State Retirement System36,671$3.23M0.03%+447+1.2%Added
Assenagon Asset Management S.A.37,287$3.29M0.01%+23,739+175.2%Added
Teacher Retirement System of Texas37,392$3.30M0.02%−3,127−7.7%Reduced
Fuller & Thaler Asset Management, Inc.38,825$3.42M0.02%+25,600+193.6%Added
Natixis Advisors, L.P.38,937$3.43M0.01%−8,809−18.4%Reduced
American International Group, Inc.39,042$3.44M0.02%−807−2.0%Reduced
Aviva PLC39,545$3.49M0.02%−13,181−25.0%Reduced
Opus Investment Management Inc41,050$3.62M0.55%+3,000+7.9%Added
LPL Financial LLC42,362$3.74M0.00%−1,228−2.8%Reduced
Jacobs Levy Equity Management, Inc43,847$3.87M0.03%+6,468+17.3%Added
TRH Financial, LLC44,734$3.94M1.55%+15,677+54.0%Added
Retirement Systems of Alabama44,914$3.96M0.01%−2,886−6.0%Reduced
USS Investment Management Ltd45,304$3.99M0.03%+11,199+32.8%Added