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
Q1 2024Eagle Capital ManagementBuy807,9452,789,534$930,923,286
Q1 2024Renaissance Technologies LLCBuy92,261221,701$73,986
Q1 2024Meritage GroupSell-67,458774,514$258,471
Q1 2024Cantillon Capital ManagementSell-23,9841,196,190$399,192,527
Q1 2024Yacktman Asset ManagementBuy11,67011,670$3,894,512
Q1 2024Polen Capital ManagementBuy10,930830,116$277,026,204
Q1 2024Jensen Investment ManagementBuy2,1607,500$2,502,900
Q1 2024Sequoia Financial AdvisorsSell-1,2107,708$2,572,385
Q4 2023Eagle Capital ManagementBuy241,3001,981,589$576,682,031
Q4 2023Renaissance Technologies LLCBuy77,640129,440$37,670
Q4 2023Cantillon Capital ManagementSell-29,7931,220,174$355,095,037
Q4 2023Polen Capital ManagementBuy3,896819,186$238,524,750
Q4 2023Sequoia Financial AdvisorsBuy1,7968,918$2,595,301
Q4 2023Jensen Investment ManagementBuy1105,340$1,554,047
Q3 2023Berkshire HathawaySell-235,0004,100,000$1,329,302,000
Q3 2023Eagle Capital ManagementSell-66,4201,740,289$564,236,500
Q3 2023Cantillon Capital ManagementSell-4,8811,249,967$405,264,301
Q3 2023Polen Capital ManagementBuy4,422815,290$264,333,486
Q3 2023Jensen Investment ManagementBuy4105,230$1,695,671
Q3 2023Sequoia Financial AdvisorsSell-207,122$2,309,238
Q2 2023Eagle Capital ManagementSell-115,8541,806,709$623,675,947
Q2 2023Cantillon Capital ManagementBuy74,9321,254,848$433,173,530
Q2 2023Polen Capital ManagementSell-13,636810,868$279,911,655
Q2 2023Jensen Investment ManagementBuy7204,820$1,663,864
Q2 2023Sequoia Financial AdvisorsSell-117,142$2,465,352
Q1 2023Eagle Capital ManagementSell-404,6391,922,563$606,164,888
Q1 2023Polen Capital ManagementSell-173,866824,504$259,957,898
Q1 2023Berkshire HathawaySell-61,0004,335,000$1,366,782,150
Q1 2023Cantillon Capital ManagementSell-20,6701,179,916$372,015,716
Q1 2023Jensen Investment ManagementBuy4604,100$1,283,300

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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