ARTHUR J GALLAGHER & CO (AJG) Institutional Ownership Changes & 13F Activity

ARTHUR J GALLAGHER & CO (AJG) 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 Dodge & Cox Stock Fund, Eagle Capital Management, Viking Global Investors, Renaissance Technologies LLC, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2014Renaissance Technologies LLCBuy112,300116,800$5,298
Q2 2014Renaissance Technologies LLCSell-158,9014,500$210
Q1 2014Renaissance Technologies LLCSell-372,399163,401$7,775
Q4 2013Renaissance Technologies LLCSell-46,900535,800$25,145
Q3 2013Renaissance Technologies LLCBuy281,300582,700$25,435
Q2 2013Renaissance Technologies LLCBuy301,400301,400$13,168
Q2 2013Tweedy, Browne Co All Funds (US)Buy63,72363,723$2,784

Frequently asked questions about AJG activity

  • Which institutional owners are buying AJG?

    Institutional owners buying AJG 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 AJG activity?

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

  • Is institutional interest in AJG increasing?

    Institutional interest in AJG 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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