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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, Q1 2025

Institutional positions in Atmos Energy Corp as of Mar 31, 2025. 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
861
+56 vs. Q4 2024
Shares held
158.1M
+1.89M (+1.2%) vs. Q4 2024
Total value
$24.4B
+$2.68B (+12.3%) vs. Q4 2024
New holders
114
349 more added
Sold out
58
260 more reduced

13 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 861 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 heldQ1 2025: $24.4B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q4 2024.

Institutions holding ATO in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wiley Bros.-Aintree Capital, LLC13,576$2.07M0.02%+654+5.1%Added
Gotham Asset Management, LLC13,165$2.04M0.02%+9,759+286.5%Added
ISAM Funds (UK) Ltd13,134$2.03M1.00%+10,720+444.1%Added
Trustmark National Bank Trust Department12,993$2.01M0.15%+259+2.0%Added
Wealth Enhancement Advisory Services, LLC12,776$1.97M0.00%+3,015+30.9%Added
RD Lewis Holdings, Inc.12,181$1.97M2.23%+654+5.7%Added
Dean Capital Management12,720$1.97M0.86%+308+2.5%Added
Mizuho Securities USA LLC12,709$1.96M0.04%−2,004−13.6%Reduced
O'Shaughnessy Asset Management, LLC12,445$1.92M0.02%+3,145+33.8%Added
DC Investments Management, LLC12,438$1.92M0.99%−1,394−10.1%Reduced
Thurston, Springer, Miller, Herd & Titak, Inc.12,396$1.92M0.32%+3,060+32.8%Added
Connor, Clark & Lunn Investment Management Ltd.12,381$1.91M0.01%−74,667−85.8%Reduced
Quest Partners LLC12,326$1.91M0.21%+7,676+165.1%Added
Allianz SE12,050$1.86M0.05%00.0%Unchanged
Meketa Investment Group Inc11,802$1.82M2.46%+4,679+65.7%Added
Tredje AP-fonden11,741$1.81M0.02%00.0%Unchanged
Asset Advisors Investment Management, LLC11,728$1.81M0.19%+945+8.8%Added
Nicholson Wealth Management Group, LLC11,722$1.81M1.19%+157+1.4%Added
Tower Research Capital LLC (TRC)11,694$1.81M0.05%+2,725+30.4%Added
Unigestion Holding SA11,664$1.80M0.11%+11,664New
Ameritas Investment Partners, Inc.11,648$1.80M0.06%−126−1.1%Reduced
BFSG, LLC11,368$1.76M0.21%+121+1.1%Added
D.A. Davidson & Co.11,029$1.70M0.01%+81+0.7%Added
Venturi Wealth Management, LLC10,864$1.68M0.09%−119−1.1%Reduced
Lido Advisors, LLC10,638$1.64M0.01%−145−1.3%Reduced
Kentucky Retirement Systems10,568$1.63M0.05%−99−0.9%Reduced
Capital Fund Management S.A.10,524$1.63M0.02%+10,524New
Keybank National Association10,484$1.62M0.01%+1,310+14.3%Added
Agp Franklin, LLC10,296$1.61M0.99%+474+4.8%Added
Congress Wealth Management LLC10,355$1.60M0.02%+1,208+13.2%Added
17 Capital Partners, LLC10,327$1.60M1.02%00.0%Unchanged
Bessemer Group Inc10,224$1.58M0.00%−14,517−58.7%Reduced
DRW Securities, LLC10,160$1.57M0.13%+10,160New
Albert D Mason Inc10,053$1.55M1.06%+188+1.9%Added
Mitsubishi UFJ Asset Management (UK) Ltd.10,000$1.55M0.84%+2,000+25.0%Added
Little House Capital LLC9,934$1.54M0.42%+1,817+22.4%Added
Ostrum Asset Management9,913$1.53M0.08%−6,758−40.5%Reduced
ASR Vermogensbeheer N.V.9,889$1.53M0.02%+9,889New
GWM Advisors LLC9,815$1.52M0.01%+2,703+38.0%Added
Diversify Advisory Services, LLC9,433$1.51M0.09%+1,698+22.0%Added
Hartford Investment Management Co9,714$1.50M0.05%+87+0.9%Added
Advisors Asset Management, Inc.9,678$1.50M0.03%−39−0.4%Reduced
Millennium Management LLC9,624$1.49M0.00%−32,417−77.1%Reduced
Delta Global Management LP9,622$1.49M0.11%+9,622New
Fruth Investment Management9,626$1.49M0.41%00.0%Unchanged
CWM, LLC9,610$1.49M0.01%+182+1.9%Added
Gulf International Bank (UK) Ltd9,595$1.48M0.05%00.0%Unchanged
Aster Capital Management (DIFC) Ltd9,692$1.47M0.27%+7,531+348.5%Added
Private Advisor Group, LLC9,513$1.47M0.01%+16+0.2%Added
Sustainable Insight Capital Management, LLC9,500$1.47M0.73%−1,500−13.6%Reduced
TCTC Holdings, LLC9,500$1.47M0.05%−500−5.0%Reduced
Icon Advisers Inc9,500$1.47M0.34%00.0%Unchanged
Gries Financial LLC9,491$1.47M0.28%−188−1.9%Reduced
Wealthspire Advisors, LLC9,413$1.46M0.01%+14+0.1%Added
Delta Financial Advisors LLC9,352$1.45M0.54%+14+0.1%Added
Pensionfund Sabic9,300$1.44M0.43%−1,700−15.5%Reduced
Janus Henderson Group PLC9,382$1.43M0.00%−5,958−38.8%Reduced
La Banque Postale Asset Management SA9,206$1.42M0.02%00.0%Unchanged
Penserra Capital Management LLC9,168$1.42M0.03%+8,762+2,158.1%Added
CX Institutional9,144$1.41M0.05%−2,250−19.7%Reduced
Croban9,027$1.40M1.29%−156−1.7%Reduced
AMG National Trust Bank8,900$1.38M0.04%00.0%Unchanged
Brinker Capital Investments, LLC8,609$1.33M0.01%+3,729+76.4%Added
Orion Portfolio Solutions, LLC8,609$1.33M0.01%+3,729+76.4%Added
Sterling Capital Management LLC8,608$1.33M0.02%−590−6.4%Reduced
Louisiana State Employees Retirement System8,500$1.31M0.03%+200+2.4%Added
US Bancorp8,498$1.31M0.00%+296+3.6%Added
Scotia Capital Inc.8,448$1.31M0.01%+8,448New
Norinchukin Bank, The8,378$1.30M0.02%+1,255+17.6%Added
Jacobi Capital Management LLC8,343$1.29M0.10%−112−1.3%Reduced
Securian Asset Management, Inc8,330$1.29M0.04%+25+0.3%Added
Susquehanna Portfolio Strategies, LLC8,180$1.26M0.54%+8,180New
Anchor Investment Management, LLC8,172$1.26M0.12%00.0%Unchanged
SG Americas Securities, LLC8,150$1.26M0.00%+5,813+248.7%Added
Agf Management Ltd7,902$1.22M0.01%−20.0%Reduced
Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group7,895$1.22M0.66%−465−5.6%Reduced
AG2R la Mondiale Gestion D'Actifs7,880$1.22M0.07%+7,880New
Qtron Investments LLC7,884$1.22M0.18%+950+13.7%Added
Sandy Spring Bank7,878$1.22M0.05%+366+4.9%Added
Silver Lake Advisory, LLC7,838$1.21M0.53%+44+0.6%Added
Hartford Funds Management Co LLC7,787$1.20M0.11%+1,278+19.6%Added
Federation des caisses Desjardins du Quebec7,737$1.20M0.01%+402+5.5%Added
Procyon Private Wealth Partners, LLC8,391$1.18M0.07%+3,690+78.5%Added
Allstate Corp7,632$1.18M0.03%+3,070+67.3%Added
Raiffeisen Bank International AG7,632$1.16M0.02%+2,445+47.1%Added
Alberta Investment Management Corp7,500$1.16M0.01%00.0%Unchanged
Independent Advisor Alliance7,475$1.16M0.04%−588−7.3%Reduced
Citizens Financial Group Inc7,451$1.15M0.02%−18,887−71.7%Reduced
Community Financial Services Group, LLC7,403$1.14M0.25%+205+2.8%Added
Mercer Global Advisors Inc7,400$1.14M0.00%+1,993+36.9%Added
NEOS Investment Management LLC7,320$1.13M0.02%+1,254+20.7%Added
New Mexico Educational Retirement Board7,300$1.13M0.04%−100−1.4%Reduced
Park Avenue Securities LLC7,233$1.12M0.01%+3,863+114.6%Added
Bokf, NA7,200$1.11M0.02%+22+0.3%Added
SlateStone Wealth, LLC7,105$1.10M0.11%−550−7.2%Reduced
Jump Financial, LLC7,006$1.08M0.02%−5,594−44.4%Reduced
Commerce Bank6,985$1.08M0.01%−916−11.6%Reduced
Nordea Investment Management AB6,819$1.06M0.00%+45+0.7%Added
Walleye Capital LLC6,792$1.05M0.01%−16,644−71.0%Reduced
Independence Bank of Kentucky6,778$1.05M0.16%−2,795−29.2%Reduced