Aon Plc (AON) Institutional Ownership Changes & 13F Activity

Aon Plc (AON). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Eagle Capital Management, Baupost Group, Polen Capital Management, Meritage Group, and Viking Global Investors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2025Jensen Investment ManagementBuy9709,800$3,496,248
Q2 2025Sequoia Financial AdvisorsBuy3413,304$4,746,176
Q1 2025Polen Capital ManagementBuy2,288,3973,007,719$1,200,350,430
Q1 2025Eagle Capital ManagementSell-1,360,0672,623,489$1,047,008,225
Q1 2025Renaissance Technologies LLCSell-102,30035,101$14,008,458
Q1 2025Cantillon Capital ManagementSell-39,6801,283,548$512,251,171
Q1 2025Sequoia Financial AdvisorsBuy20713,270$5,295,925
Q1 2025Matrix Advisors Value FundSell-43648$258,610
Q4 2024Viking Global InvestorsBuy157,337720,364$258,725,934
Q4 2024Polen Capital ManagementSell-62,167719,322$258,351,618
Q4 2024Renaissance Technologies LLCSell-43,900137,401$49,348,943
Q4 2024Cantillon Capital ManagementBuy7,0101,323,228$475,250,568
Q4 2024Eagle Capital ManagementSell-2,6923,983,556$1,430,733,973
Q4 2024Sequoia Financial AdvisorsBuy34213,063$4,691,704
Q4 2024Jensen Investment ManagementBuy708,830$3,171,383
Q3 2024Cantillon Capital ManagementBuy177,9561,316,218$455,398,266
Q3 2024Viking Global InvestorsSell-141,612563,027$194,801,712
Q3 2024Renaissance Technologies LLCBuy103,300181,301$62,728,333
Q3 2024Meritage GroupSell-95,837996,211$344,679,044
Q3 2024Polen Capital ManagementSell-40,552781,489$270,387,305
Q3 2024Eagle Capital ManagementSell-14,8843,986,248$1,379,201,946
Q3 2024Sequoia Financial AdvisorsBuy5,10112,721$4,401,331
Q2 2024Eagle Capital ManagementBuy1,211,5984,001,132$1,174,652,333
Q2 2024Meritage GroupBuy317,5341,092,048$320,603,452
Q2 2024Renaissance Technologies LLCSell-143,70078,001$22,899,534
Q2 2024Cantillon Capital ManagementSell-57,9281,138,262$334,170,958
Q2 2024Polen Capital ManagementSell-8,075822,041$241,334,908
Q2 2024Jensen Investment ManagementBuy1,2608,760$2,571,761
Q2 2024Matrix Advisors Value FundBuy691691$203,000
Q2 2024Sequoia Financial AdvisorsSell-887,620$2,237,068

Frequently asked questions about AON activity

  • Which institutional owners are buying AON?

    Institutional owners buying AON 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 AON activity?

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

  • Is institutional interest in AON increasing?

    Institutional interest in AON 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.

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