Arthur J Gallagher (AJG) Held by Superinvestors

ARTHUR J GALLAGHER & CO (AJG) is currently held by 7 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $3.68B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.

Dodge & Cox Stock Fund is currently the largest disclosed institutional shareholder of AJG tracked by InsiderSet, reporting ownership valued at approximately $2.15B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $2.54B, representing an estimated gain of +18.04% since the filing period.

The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed AJG value among the investors covered in this analysis. Major shareholders include Dodge & Cox Stock Fund, Eagle Capital Management, Brave Warrior Advisors, and several other long-term asset managers with concentrated positions in ARTHUR J GALLAGHER & CO (AJG).

This page ranks the largest institutional AJG shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.

NameInvestor/ManagerPortfolio %QuantityReported BalanceCurrent Estimated ValueGain/loss Since FilingEstimated Portfolio Performance
Dodge & Cox Stock FundV. D. Dodge, E. M. Cox1.13%9,363,634$2,149,609,457$2,537,357,541+$387,748,084+18.04%
Eagle Capital ManagementRavenel Boykin Curry IV3.43%4,890,612$1,122,737,692$1,325,258,040+$202,520,348+18.04%
Brave Warrior AdvisorsGlenn Greenberg6.43%1,285,022$295,002,501$348,215,262+$53,212,761+18.04%
Mairs & Power Growth FundAndrew R. Adams0.66%311,539$71,520,008$84,420,838+$12,900,830+18.04%
Sequoia Financial Advisors0.17%149,799$34,389,460$40,592,533+$6,203,073+18.04%
Torray FundRobert Torray0.81%26,276$6,032,181$7,120,270+$1,088,089+18.04%
Ariel Appreciation FundJohn W. Rogers Jr.0.04%18,597$4,269,313$5,039,415+$770,102+18.04%
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Frequently asked questions about AJG

  • Who are the largest superinvestors holding AJG?

    The largest superinvestors holding AJG in the latest SEC Form 13F filings include Dodge & Cox Stock Fund, Eagle Capital Management, Brave Warrior Advisors, Mairs & Power Growth Fund, and Sequoia Financial Advisors. InsiderSet ranks these superinvestors by their latest reported AJG position.

  • What does the AJG superinvestors page include?

    This page tracks AJG positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. ARTHUR J GALLAGHER & CO (AJG) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.

  • How many superinvestors hold AJG?

    InsiderSet currently tracks 7 superinvestors reporting AJG holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own AJG.

  • How much AJG stock do superinvestors hold?

    Superinvestors tracked by InsiderSet disclosed approximately $3.68B in AJG holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.

  • When were AJG superinvestor holdings last updated?

    The latest AJG superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.

  • Are superinvestor AJG holdings real-time?

    No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its AJG position after the reporting date.

  • Are superinvestors buying or selling AJG?

    Buying and selling can be analyzed by comparing AJG positions across consecutive 13F reporting periods. InsiderSet's AJG Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View AJG ownership changes.

  • How have superinvestor AJG holdings changed over time?

    InsiderSet tracks AJG holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.