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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, Q4 2023

Institutional positions in Atmos Energy Corp as of Dec 31, 2023. 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
722
+62 vs. Q3 2023
Shares held
136.0M
+234.4K (+0.2%) vs. Q3 2023
Total value
$15.8B
+$1.36B (+9.4%) vs. Q3 2023
New holders
116
251 more added
Sold out
54
251 more reduced

9 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 722 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 heldQ4 2023: $15.8B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q3 2023.

Institutions holding ATO in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
State of Wisconsin Investment Board156,447$18.1M0.05%−158−0.1%Reduced
Allspring Global Investments Holdings, LLC154,275$17.9M0.03%−640−0.4%Reduced
Cantor Fitzgerald Investment Adviser L.P.148,135$17.2M1.33%+148,135New
Illinois Municipal Retirement Fund138,150$16.0M0.27%+59,979+76.7%Added
Voya Investment Management LLC136,689$15.8M0.02%+74,481+119.7%Added
Maryland State Retirement & Pension System136,106$15.8M0.32%+1,676+1.2%Added
New York State Teachers Retirement System135,401$15.7M0.04%+16,024+13.4%Added
Stifel Financial Corp133,886$15.5M0.02%+1,782+1.3%Added
Asset Management One Co.,Ltd.133,143$15.5M0.06%−1,015−0.8%Reduced
Korea Investment CORP127,675$14.8M0.04%+26,028+25.6%Added
Magellan Asset Management Ltd125,499$14.5M0.14%+4,287+3.5%Added
Teacher Retirement System of Texas115,208$13.4M0.09%+95,713+491.0%Added
Macquarie Group Ltd114,525$13.3M0.02%−53,846−32.0%Reduced
Baird Financial Group, Inc.111,719$12.9M0.03%+19,068+20.6%Added
Mather Group, LLC.111,176$12.9M0.20%+2,196+2.0%Added
Prudential Financial Inc110,610$12.8M0.02%−22,967−17.2%Reduced
Ameriprise Financial Inc109,386$12.7M0.00%+400+0.4%Added
Marshall Wace, LLP108,248$12.5M0.02%+108,248New
Manufacturers Life Insurance Company, The102,891$11.9M0.01%−8,818−7.9%Reduced
Cambiar Investors LLC102,580$11.9M0.47%+1,240+1.2%Added
Treasurer of the State of North Carolina101,990$11.8M0.06%+24,077+30.9%Added
Ensign Peak Advisors, Inc101,665$11.8M0.02%−12,321−10.8%Reduced
Gabelli Funds LLC100,000$11.6M0.09%−2,500−2.4%Reduced
Abn Amro Investment Solutions98,713$11.4M0.20%−17,700−15.2%Reduced
Adams Diversified Equity Fund, Inc.97,300$11.3M0.44%+97,300New
Chevy Chase Trust Holdings, Inc.97,163$11.3M0.04%−975−1.0%Reduced
Man Group plc93,162$10.8M0.03%––
Toronto Dominion Bank92,161$10.7M0.02%+20,812+29.2%Added
Mitsubishi UFJ Trust & Banking Corp91,225$10.6M0.02%−6,227−6.4%Reduced
State of Tennessee, Treasury Department88,437$10.2M0.04%+17,231+24.2%Added
Yousif Capital Management, LLC88,148$10.2M0.12%−1,341−1.5%Reduced
Standard Life Aberdeen plc80,845$9.37M0.02%+39,303+94.6%Added
Russell Investments Group, Ltd.77,112$8.94M0.02%−5,669−6.8%Reduced
AXA S.A.75,446$8.74M0.03%−2,057−2.7%Reduced
Natixis Advisors, L.P.73,208$8.48M0.02%−6,923−8.6%Reduced
Lazard Asset Management LLC73,104$8.47M0.01%+27,357+59.8%Added
Franklin Resources Inc72,923$8.45M0.00%+14,294+24.4%Added
Robeco Institutional Asset Management B.V.72,857$8.44M0.02%+17,776+32.3%Added
LPL Financial LLC71,292$8.26M0.01%+1,629+2.3%Added
Capital Fund Management S.A.69,607$8.07M0.10%+69,607New
Adage Capital Partners GP, L.L.C.69,204$8.02M0.02%−78,400−53.1%Reduced
M&T Bank Corp68,568$7.95M0.03%+4,257+6.6%Added
Mn Services Vermogensbeheer B.V.66,200$7.67M0.07%−2,600−3.8%Reduced
Raymond James Financial Services Advisors, Inc.66,123$7.66M0.01%−7,405−10.1%Reduced
State of New Jersey Common Pension Fund D65,848$7.63M0.03%00.0%Unchanged
Nisa Investment Advisors, LLC65,446$7.59M0.05%+5,149+8.5%Added
Ontario Teachers Pension Plan Board65,315$7.57M0.08%+3,701+6.0%Added
Public Employees Retirement System of Ohio64,820$7.51M0.03%+4,399+7.3%Added
Cresset Asset Management, LLC63,846$7.40M0.04%+4,230+7.1%Added
CIBC Asset Management Inc63,058$7.31M0.03%+36,409+136.6%Added
HighTower Advisors, LLC62,885$7.28M0.01%+3,222+5.4%Added
Susquehanna International Group, LLP62,548$7.25M0.01%−135,013−68.3%Reduced
Mattern Capital Management, LLC62,104$7.20M1.05%+2,061+3.4%Added
Smith Group Asset Management, LLC58,830$6.82M0.40%+58,830New
Qube Research & Technologies Ltd56,313$6.53M0.01%−24,863−30.6%Reduced
Guggenheim Capital LLC51,107$5.92M0.04%+3,719+7.8%Added
PGGM Investments50,768$5.88M0.09%+19,615+63.0%Added
Wealth Enhancement Advisory Services, LLC50,610$5.87M0.02%+39,009+336.3%Added
Fuller & Thaler Asset Management, Inc.49,878$5.78M0.03%−13,414−21.2%Reduced
Avantax Advisory Services, Inc.49,723$5.76M0.06%−931−1.8%Reduced
Healthcare of Ontario Pension Plan Trust Fund49,619$5.75M0.02%+49,619New
USS Investment Management Ltd48,066$5.57M0.05%00.0%Unchanged
State of Michigan Retirement System48,010$5.56M0.03%−33,200−40.9%Reduced
DekaBank Deutsche Girozentrale47,427$5.51M0.01%+183+0.4%Added
IFM Investors Pty Ltd46,824$5.43M0.07%+582+1.3%Added
Comerica Bank46,463$5.39M0.02%−190−0.4%Reduced
Cambridge Trust Co45,692$5.30M0.22%−637−1.4%Reduced
The PNC Financial Services Group, Inc.45,445$5.27M0.00%+1,518+3.5%Added
Captrust Financial Advisors45,018$5.22M0.02%+5,061+12.7%Added
Achmea Investment Management B.V.43,345$5.02M0.10%+15,875+57.8%Added
Dai-Ichi Life Insurance Company, Ltd42,750$4.96M0.10%+3,419+8.7%Added
Forsta Ap-Fonden42,400$4.91M0.05%+23,400+123.2%Added
BCM Advisors, LLC42,829$4.90M1.29%00.0%Unchanged
Mizuho Markets Americas LLC41,621$4.82M0.15%+15,205+57.6%Added
Empowered Funds, LLC41,240$4.78M0.12%+12,647+44.2%Added
National Bank of Canada40,763$4.77M0.01%+2,900+7.7%Added
Arizona State Retirement System40,804$4.73M0.04%+1,384+3.5%Added
Butensky & Cohen Financial Security, Inc40,377$4.68M1.56%+493+1.2%Added
Bridgewater Associates, LP40,244$4.66M0.03%+40,244New
American International Group, Inc.38,936$4.51M0.02%−961−2.4%Reduced
Truist Financial Corp38,801$4.50M0.01%+2,196+6.0%Added
Amalgamated Bank38,291$4.44M0.04%−1,066−2.7%Reduced
Churchill Management Corp37,945$4.40M0.07%−4,771−11.2%Reduced
Pacer Advisors, Inc.37,215$4.31M0.01%+28,337+319.2%Added
KBC Group NV36,148$4.19M0.01%−77,997−68.3%Reduced
Van Eck Associates Corp36,047$4.18M0.01%−434−1.2%Reduced
MetLife Investment Management36,038$4.18M0.03%−595−1.6%Reduced
Power Corp of Canada35,671$4.13M0.43%−6,786−16.0%Reduced
Mackenzie Financial Corp35,039$4.06M0.01%−847−2.4%Reduced
Gateway Investment Advisers LLC34,536$4.00M0.05%+140.0%Added
Texas Yale Capital Corp.34,304$3.98M0.19%00.0%Unchanged
Mutual of America Capital Management LLC34,246$3.97M0.05%+2,630+8.3%Added
Retirement Systems of Alabama32,727$3.79M0.02%−841−2.5%Reduced
CI Private Wealth, LLC32,545$3.77M0.01%+4,236+15.0%Added
First National Bank of Omaha32,300$3.74M0.24%−5,234−13.9%Reduced
Storebrand Asset Management AS31,948$3.70M0.01%+8,521+36.4%Added
DnB Asset Management AS31,479$3.65M0.02%+1,452+4.8%Added
Oppenheimer & Co Inc31,395$3.64M0.07%−960−3.0%Reduced
Amarillo National Bank31,299$3.63M0.70%−678−2.1%Reduced
Texas Permanent School Fund30,662$3.55M0.03%−16−0.1%Reduced