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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
Royal London Asset Management Ltd45,413$4.00M0.02%−2,663−5.5%Reduced
BCM Advisors, LLC45,449$4.14M1.11%00.0%Unchanged
State of Michigan Retirement System47,537$4.19M0.02%00.0%Unchanged
Nisa Investment Advisors, LLC48,380$4.27M0.03%−400−0.8%Reduced
Cambridge Trust Co48,494$4.28M0.16%−1,312−2.6%Reduced
Treasurer of the State of North Carolina48,503$4.28M0.02%+1,559+3.3%Added
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
Ameriprise Financial Inc52,727$4.65M0.00%−20,381−27.9%Reduced
CBOE Vest Financial, LLC52,938$4.67M1.42%+13,809+35.3%Added
Toronto Dominion Bank53,106$4.68M0.01%−3,850−6.8%Reduced
State of New Jersey Common Pension Fund D55,026$4.85M0.02%−5,116−8.5%Reduced
Voya Investment Management LLC56,426$4.98M0.01%+4,295+8.2%Added
Standard Life Aberdeen plc58,400$5.16M0.01%−3,139−5.1%Reduced
Swedbank AB59,160$5.22M0.01%+2,561+4.5%Added
Janus Henderson Group PLC60,576$5.34M0.00%−136,474−69.3%Reduced
State of Alaska, Department of Revenue61,027$5.38M0.05%−3,351−5.2%Reduced
Stifel Financial Corp61,720$5.45M0.01%+909+1.5%Added
Qube Research & Technologies Ltd63,179$5.57M0.07%+63,179New
First National Bank of Omaha65,595$5.79M0.29%+18,851+40.3%Added
Edgestream Partners, L.P.66,181$5.84M0.36%+66,181New
Virginia Retirement Systems Et Al67,300$5.94M0.06%−200−0.3%Reduced
Millennium Management LLC67,723$5.97M0.01%+61,387+968.9%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.67,923$5.99M0.02%+1,758+2.7%Added
Northwest & Ethical Investments L.P.68,533$6.04M0.20%+2,121+3.2%Added
Squarepoint Ops LLC71,379$6.30M0.04%+38,408+116.5%Added
Raymond James Financial Services Advisors, Inc.72,855$6.43M0.01%+4,946+7.3%Added
Public Employees Retirement System of Ohio74,598$6.58M0.02%−2,175−2.8%Reduced
FIL Ltd84,555$7.46M0.01%−439,151−83.9%Reduced
Raymond James & Associates84,847$7.48M0.01%+4,774+6.0%Added
UBS Group AG85,628$7.55M0.00%−34,485−28.7%Reduced
Nomura Asset Management Co Ltd88,772$7.83M0.04%+13,935+18.6%Added
Royal Bank of Canada93,027$8.21M0.00%−618−0.7%Reduced
Holocene Advisors, LP94,226$8.31M0.05%+17,455+22.7%Added
Cambiar Investors LLC94,817$8.36M0.29%−753−0.8%Reduced
Mn Services Vermogensbeheer B.V.94,900$8.37M0.05%+1,000+1.1%Added
Guggenheim Capital LLC98,322$8.67M0.05%+21,506+28.0%Added
Zimmer Partners, LP100,000$8.82M0.14%−30,000−23.1%Reduced
Cantor Fitzgerald Investment Adviser L.P.100,197$8.84M0.65%+100,197New
Gabelli Funds LLC105,500$9.30M0.06%00.0%Unchanged
Norges Bank108,798$9.60M0.00%−155,140−58.8%Reduced
Renaissance Technologies LLC109,700$9.68M0.01%−43,400−28.3%Reduced
Chevy Chase Trust Holdings, Inc.109,790$9.68M0.03%−9,705−8.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.110,277$9.73M0.05%+505+0.5%Added
Mather Group, LLC.113,692$10.0M0.24%+6,616+6.2%Added
New York State Teachers Retirement System118,311$10.4M0.02%+223+0.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys120,284$10.6M0.12%+33,288+38.3%Added
Manufacturers Life Insurance Company, The122,686$10.8M0.01%+2,715+2.3%Added
Gradient Investments LLC126,211$11.1M0.31%+7,125+6.0%Added
Snyder Capital Management L P126,435$11.2M0.30%+17,210+15.8%Added
Victory Capital Management Inc132,823$11.7M0.01%+1,172+0.9%Added
Westpac Banking Corp136,752$12.1M0.13%−144−0.1%Reduced
Eaton Vance Management141,035$12.4M0.02%−112−0.1%Reduced
Cramer Rosenthal McGlynn LLC145,526$12.8M0.44%−3,334−2.2%Reduced
Great West Life Assurance Co146,188$13.0M0.03%−5,248−3.5%Reduced
State Board of Administration of Florida Retirement System147,149$13.0M0.03%−8,400−5.4%Reduced
HSBC Holdings PLC150,595$13.3M0.02%+10,049+7.1%Added
SEI Investments Co152,357$13.4M0.03%+4,230+2.9%Added
Public Employees Retirement Association of Colorado162,713$14.4M0.06%−5,491−3.3%Reduced
Asset Management One Co.,Ltd.163,517$14.4M0.06%+1,629+1.0%Added
Principal Financial Group Inc163,586$14.4M0.01%+1,772+1.1%Added
Bahl & Gaynor Inc166,118$14.7M0.09%−962−0.6%Reduced
Tortoise Index Solutions, LLC166,431$14.7M3.49%−35,837−17.7%Reduced
Vident Investment Advisory, LLC167,876$14.8M0.45%−35,689−17.5%Reduced
State of Wisconsin Investment Board170,199$15.0M0.03%+9,339+5.8%Added
Prudential Financial Inc182,344$16.2M0.02%+19,043+11.7%Added
NN Investment Partners Holdings N.V.187,304$16.5M0.09%+6,177+3.4%Added
AQR Capital Management LLC188,671$16.6M0.03%−15,628−7.6%Reduced
Earnest Partners LLC194,652$17.2M0.10%+5,855+3.1%Added
Adage Capital Partners GP, L.L.C.194,704$17.2M0.03%+58,000+42.4%Added
Rhumbline Advisers195,801$17.3M0.02%−3,841−1.9%Reduced
Bank of Montreal197,430$17.7M0.01%+31,418+18.9%Added
AXA S.A.205,080$18.1M0.05%−2,216−1.1%Reduced
Neuberger Berman Group LLC208,698$18.3M0.02%−4,421−2.1%Reduced
Alliancebernstein L.P.221,320$19.5M0.01%+6,831+3.2%Added
New York State Common Retirement Fund229,368$20.2M0.02%+10,268+4.7%Added
Barclays PLC233,899$20.6M0.01%+23,770+11.3%Added
Reaves W H & Co Inc245,400$21.6M0.69%+16,374+7.1%Added
California State Teachers Retirement System247,121$21.8M0.03%−1,684−0.7%Reduced
DekaBank Deutsche Girozentrale259,656$22.9M0.06%−1,829−0.7%Reduced
BNP Paribas Arbitrage, SA265,945$23.5M0.06%+93,959+54.6%Added
Russell Investments Group, Ltd.269,151$23.7M0.04%+59,866+28.6%Added
Boston Trust Walden Corp274,609$24.2M0.21%−43,396−13.6%Reduced
Nuveen Asset Management, LLC276,667$24.4M0.01%−86,252−23.8%Reduced
Hennessy Advisors Inc285,286$25.2M1.50%+13,200+4.9%Added
Franklin Resources Inc293,607$25.9M0.01%−4,239−1.4%Reduced
M&G Investment Management Ltd306,950$27.0M0.13%+66,681+27.8%Added
Public Sector Pension Investment Board357,570$31.5M0.19%+1,590+0.4%Added
Maple-Brown Abbott Ltd401,340$35.4M1.97%+10,940+2.8%Added
Parametric Portfolio Associates LLC407,025$35.9M0.02%−14,633−3.5%Reduced
Sumitomo Mitsui Trust Holdings, Inc.409,439$36.1M0.02%−47,797−10.5%Reduced
JPMorgan Chase & Co414,458$36.6M0.00%+11,238+2.8%Added
Macquarie Group Ltd419,932$37.0M0.03%+23,212+5.9%Added
Citigroup Inc424,056$37.4M0.04%+90,408+27.1%Added
APG Asset Management N.V.513,900$39.1M0.07%−70,613−12.1%Reduced
FMR LLC495,741$43.7M0.00%−29,545−5.6%Reduced
AMP Capital Investors Ltd501,900$44.3M0.24%−63,707−11.3%Reduced
Dimensional Fund Advisors LP502,496$44.3M0.01%+16,560+3.4%Added
Swiss National Bank516,592$45.6M0.03%−5,900−1.1%Reduced
Amundi580,060$51.2M0.04%+53,670+10.2%Added