ATMOS ENERGY CORP (ATO) Institutional Ownership Changes & 13F Activity

ATMOS ENERGY CORP (ATO) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Cullen Value Fund, Hancock Classic Value, and Meritage Group.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy114,800166,800$30,811,296
Q1 2026Sequoia Financial AdvisorsSell-1,36910,618$1,961,434
Q4 2025Renaissance Technologies LLCSell-21,40052,000$8,716,760
Q4 2025Sequoia Financial AdvisorsBuy1,44011,987$2,009,418
Q3 2025Renaissance Technologies LLCBuy52,90073,400$12,533,050
Q3 2025Sequoia Financial AdvisorsBuy91710,547$1,800,933
Q2 2025Renaissance Technologies LLCSell-77,50020,500$3,159,255
Q2 2025Sequoia Financial AdvisorsBuy7,4729,630$1,484,107
Q2 2025Cullen Value FundBuy81,487$229,146
Q1 2025Renaissance Technologies LLCBuy80,70098,000$15,148,840
Q1 2025Sequoia Financial AdvisorsBuy4822,158$333,610
Q1 2025Cullen Value FundBuy81,479$228,623
Q4 2024Renaissance Technologies LLCSell-32,30017,300$2,409,371
Q4 2024Sequoia Financial AdvisorsBuy1,6761,676$233,438
Q4 2024Cullen Value FundBuy1,4711,471$204,860
Q3 2024Renaissance Technologies LLCSell-169,10049,600$6,880,016
Q2 2024Renaissance Technologies LLCBuy205,300218,700$25,511,355
Q2 2024Hancock Classic ValueBuy2,7092,709$316,005
Q1 2024Renaissance Technologies LLCSell-368,30013,400$1,593
Q1 2024Meritage GroupBuy72,740$326
Q4 2023Meritage GroupSell-1,3232,733$317
Q3 2022Renaissance Technologies LLCSell-7,100381,700$38,876
Q3 2022Meritage GroupBuy4,0564,056$413
Q2 2022Renaissance Technologies LLCBuy379,600388,800$43,584
Q4 2021Renaissance Technologies LLCSell-100,5009,200$964
Q3 2021Renaissance Technologies LLCSell-43,400109,700$9,676
Q2 2021Renaissance Technologies LLCBuy36,300153,100$14,714
Q2 2020Eagle Capital ManagementBuy1,47029,676$2,955
Q1 2020Renaissance Technologies LLCBuy63,900116,800$11,590
Q1 2020Eagle Capital ManagementBuy19228,206$2,799

Frequently asked questions about ATO activity

  • Which institutional owners are buying ATO?

    Institutional owners buying ATO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ATO activity?

    "Buy" means an investor increased their reported position in ATO compared to the prior reporting period. This reflects growing exposure to ATMOS ENERGY CORP (ATO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ATO increasing?

    Institutional interest in ATO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

Related ATO insights