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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
Croban9,027$1.40M1.29%−156−1.7%Reduced
CX Institutional9,144$1.41M0.05%−2,250−19.7%Reduced
Penserra Capital Management LLC9,168$1.42M0.03%+8,762+2,158.1%Added
La Banque Postale Asset Management SA9,206$1.42M0.02%00.0%Unchanged
Janus Henderson Group PLC9,382$1.43M0.00%−5,958−38.8%Reduced
Pensionfund Sabic9,300$1.44M0.43%−1,700−15.5%Reduced
Delta Financial Advisors LLC9,352$1.45M0.54%+14+0.1%Added
Wealthspire Advisors, LLC9,413$1.46M0.01%+14+0.1%Added
Gries Financial LLC9,491$1.47M0.28%−188−1.9%Reduced
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
Private Advisor Group, LLC9,513$1.47M0.01%+16+0.2%Added
Aster Capital Management (DIFC) Ltd9,692$1.47M0.27%+7,531+348.5%Added
Gulf International Bank (UK) Ltd9,595$1.48M0.05%00.0%Unchanged
CWM, LLC9,610$1.49M0.01%+182+1.9%Added
Fruth Investment Management9,626$1.49M0.41%00.0%Unchanged
Delta Global Management LP9,622$1.49M0.11%+9,622New
Millennium Management LLC9,624$1.49M0.00%−32,417−77.1%Reduced
Advisors Asset Management, Inc.9,678$1.50M0.03%−39−0.4%Reduced
Hartford Investment Management Co9,714$1.50M0.05%+87+0.9%Added
Diversify Advisory Services, LLC9,433$1.51M0.09%+1,698+22.0%Added
GWM Advisors LLC9,815$1.52M0.01%+2,703+38.0%Added
ASR Vermogensbeheer N.V.9,889$1.53M0.02%+9,889New
Ostrum Asset Management9,913$1.53M0.08%−6,758−40.5%Reduced
Little House Capital LLC9,934$1.54M0.42%+1,817+22.4%Added
Mitsubishi UFJ Asset Management (UK) Ltd.10,000$1.55M0.84%+2,000+25.0%Added
Albert D Mason Inc10,053$1.55M1.06%+188+1.9%Added
DRW Securities, LLC10,160$1.57M0.13%+10,160New
Bessemer Group Inc10,224$1.58M0.00%−14,517−58.7%Reduced
17 Capital Partners, LLC10,327$1.60M1.02%00.0%Unchanged
Congress Wealth Management LLC10,355$1.60M0.02%+1,208+13.2%Added
Agp Franklin, LLC10,296$1.61M0.99%+474+4.8%Added
Keybank National Association10,484$1.62M0.01%+1,310+14.3%Added
Capital Fund Management S.A.10,524$1.63M0.02%+10,524New
Kentucky Retirement Systems10,568$1.63M0.05%−99−0.9%Reduced
Lido Advisors, LLC10,638$1.64M0.01%−145−1.3%Reduced
Venturi Wealth Management, LLC10,864$1.68M0.09%−119−1.1%Reduced
D.A. Davidson & Co.11,029$1.70M0.01%+81+0.7%Added
BFSG, LLC11,368$1.76M0.21%+121+1.1%Added
Ameritas Investment Partners, Inc.11,648$1.80M0.06%−126−1.1%Reduced
Unigestion Holding SA11,664$1.80M0.11%+11,664New
Tower Research Capital LLC (TRC)11,694$1.81M0.05%+2,725+30.4%Added
Nicholson Wealth Management Group, LLC11,722$1.81M1.19%+157+1.4%Added
Asset Advisors Investment Management, LLC11,728$1.81M0.19%+945+8.8%Added
Tredje AP-fonden11,741$1.81M0.02%00.0%Unchanged
Meketa Investment Group Inc11,802$1.82M2.46%+4,679+65.7%Added
Allianz SE12,050$1.86M0.05%00.0%Unchanged
Quest Partners LLC12,326$1.91M0.21%+7,676+165.1%Added
Connor, Clark & Lunn Investment Management Ltd.12,381$1.91M0.01%−74,667−85.8%Reduced
Thurston, Springer, Miller, Herd & Titak, Inc.12,396$1.92M0.32%+3,060+32.8%Added
DC Investments Management, LLC12,438$1.92M0.99%−1,394−10.1%Reduced
O'Shaughnessy Asset Management, LLC12,445$1.92M0.02%+3,145+33.8%Added
Mizuho Securities USA LLC12,709$1.96M0.04%−2,004−13.6%Reduced
Dean Capital Management12,720$1.97M0.86%+308+2.5%Added
RD Lewis Holdings, Inc.12,181$1.97M2.23%+654+5.7%Added
Wealth Enhancement Advisory Services, LLC12,776$1.97M0.00%+3,015+30.9%Added
Trustmark National Bank Trust Department12,993$2.01M0.15%+259+2.0%Added
ISAM Funds (UK) Ltd13,134$2.03M1.00%+10,720+444.1%Added
Gotham Asset Management, LLC13,165$2.04M0.02%+9,759+286.5%Added
Wiley Bros.-Aintree Capital, LLC13,576$2.07M0.02%+654+5.1%Added
Woodline Partners LP13,410$2.07M0.01%+4,088+43.9%Added
Oregon Public Employees Retirement Fund13,596$2.10M0.04%+310+2.3%Added
Cordatus Wealth Management LLC13,643$2.11M0.58%−60.0%Reduced
Gateway Investment Advisers LLC13,744$2.12M0.02%−8,651−38.6%Reduced
Trust Co of Vermont13,986$2.16M0.11%−140−1.0%Reduced
Synovus Financial Corp14,146$2.19M0.03%+84+0.6%Added
Obermeyer Wood Investment Counsel, LLLP14,184$2.19M0.12%+14,184New
Rakuten Investment Management, Inc.14,416$2.20M0.01%+14,416New
Rafferty Asset Management, LLC14,283$2.21M0.01%−3,142−18.0%Reduced
Shell Asset Management Co14,549$2.25M0.11%−572−3.8%Reduced
Whittier Trust Co15,057$2.33M0.03%−472−3.0%Reduced
Steel Peak Wealth Management LLC15,081$2.33M0.10%+4,418+41.4%Added
Phillips Financial Management, LLC15,139$2.34M0.18%+32+0.2%Added
Elo Mutual Pension Insurance Co15,721$2.43M0.05%−1,037−6.2%Reduced
Swiss Life Asset Management Ltd15,949$2.47M0.02%−27,935−63.7%Reduced
Hancock Whitney Corp16,013$2.48M0.08%−261−1.6%Reduced
Orion Investment Co16,057$2.48M1.02%00.0%Unchanged
Glenmede Trust Co NA16,058$2.48M0.01%+125+0.8%Added
B. Metzler seel. Sohn & Co. AG16,244$2.51M0.03%−54−0.3%Reduced
Aquatic Capital Management LLC16,298$2.52M0.06%−2,516−13.4%Reduced
OP Asset Management Ltd16,374$2.53M0.04%+16,374New
Credit Agricole S A16,500$2.55M0.01%−40,564−71.1%Reduced
Crossmark Global Holdings, Inc.16,671$2.58M0.05%−283−1.7%Reduced
1832 Asset Management L.P.16,710$2.58M0.00%−1,095−6.1%Reduced
Oddo BHF Asset Management SAS16,805$2.60M0.11%−155−0.9%Reduced
Kentucky Trust Co16,839$2.60M1.55%−466−2.7%Reduced
Bank of Nova Scotia16,973$2.62M0.01%−4,223−19.9%Reduced
CWM Advisors, LLC17,005$2.63M0.31%+989+6.2%Added
Mirae Asset Global ETFs Holdings Ltd.17,312$2.68M0.01%+1,331+8.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd17,493$2.70M0.03%+543+3.2%Added
UniSuper Management Pty Ltd17,525$2.71M0.02%−466−2.6%Reduced
Waterloo Capital, L.P.17,896$2.77M0.26%+1,637+10.1%Added
JustInvest LLC18,069$2.79M0.04%−137−0.8%Reduced
Element Capital Management LLC18,160$2.81M0.70%+18,160New
MML Investors Services, LLC18,270$2.82M0.01%+6,174+51.0%Added
Verition Fund Management LLC18,530$2.86M0.02%+930+5.3%Added
Johnson Investment Counsel Inc18,562$2.87M0.03%−2,417−11.5%Reduced
State of Alaska, Department of Revenue18,598$2.87M0.03%+900+5.1%Added
TownSquare Capital, LLC18,781$2.90M0.03%+3,155+20.2%Added