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AJG · CUSIP 363576109

Arthur J Gallagher & Co.

Reported by 6 of 79 curated managers in Q2 2026, in the holdings snapshot last exported 2026-10-26.

Managers holding
6
Average portfolio weight
2.2%
Combined reported value
$2.8B
Research group
79

6 of the 79 superinvestors Shameless Cloning tracks reported Arthur J Gallagher & Co. (AJG) in their Q2 2026 13F filings, worth $2.8B combined, at an average 2.2% of their portfolios. The largest positions by portfolio weight belong to Glenn Greenberg (6.4%), First Pacific Advisors (3.9%), Dodge & Cox Funds (1.1%).

Reporting managers

This is a historical 13F snapshot, not a live shareholder register. The count covers all matched managers; dashboard rankings use only those with at least 95% coverage. Reported value is measured at filing quarter-end, not at today's price.

Managers reporting Arthur J Gallagher & Co.
Manager / SEC filer% of portfolioReported value
Glenn GreenbergBrave Warrior Advisors, LLC6.4%$295.0M
First Pacific AdvisorsFirst Pacific Advisors, LP3.9%$306.8M
Dodge & Cox FundsDodge & Cox1.1%$2.1B
Torray FundsTorray Investment Partners LLC0.8%$6.0M
Mairs & Power FundsMAIRS & POWER INC0.7%$71.5M
John RogersARIEL INVESTMENTS, LLC0.0%$4.3M