Institutional shares held 213 Million
689K calls
324K puts
Total value of holdings $55.1B
$178M calls
$83.7M puts
Market Cap $54.4B
210,336,000 Shares Out.
Institutional ownership 101.28%
# of Institutions 1,499


Latest Institutional Activity in AJG

Top Purchases

Q4 2025
Guo Line Advisory Pte LTD Shares Held: 52.4K ($13.5M)
Q4 2025
Sg Americas Securities, LLC Shares Held: 31.2K ($8.07M)
Q4 2025
Asempa Wealth Advisors Shares Held: 3.03K ($782K)
Q4 2025
Legacy Wealth Management, LLC / Ms Shares Held: 13.5K ($3.49M)
Q4 2025
Carr Financial Group Corp Shares Held: 2.1K ($544K)

Top Sells

Q4 2025
Congress Asset Management CO Shares Held: 6.39K ($1.65M)
Q4 2025
Assenagon Asset Management S.A. Shares Held: 39.9K ($10.3M)
Q4 2025
Park Avenue Securities LLC Shares Held: 35.4K ($9.15M)
Q4 2025
Gamma Investing LLC Shares Held: 3.96K ($1.02M)
Q4 2025
Baldwin Brothers LLC Shares Held: 76K ($19.6M)

About AJG

Arthur J. Gallagher & Co., together with its subsidiaries, provides insurance brokerage, consulting, third-party claims settlement, and administration services in the United States, Australia, Bermuda, Canada, the Caribbean, New Zealand, India, and the United Kingdom. It operates through Brokerage and Risk Management segments. The Brokerage segment consists of retail and wholesale insurance brokerage operations; assists retail brokers and other non-affiliated brokers in the placement of specialized and hard-to-place insurance; acts as a brokerage wholesaler, managing general agent, and managing general underwriter for distributing specialized insurance coverage's to underwriting enterprises. This segment also performs activities, including marketing, underwriting, issuing policies, collecting premiums, appointing and supervising other agents, paying claims, and negotiating reinsurance; and offers brokerage and consulting services to businesses and organizations, including commercial, not-for-profit, and public entities, as well as individuals in the areas of insurance placement, risk of loss management, and management of employer sponsored benefit programs. The Risk Management segment provides contract claim settlement and administration services to enterprises and public entities; and claims management, loss control consulting, and insurance property appraisal services. The company offers its services through a network of correspondent insurance brokers and consultants. It serves commercial, industrial, public, religious, and not-for-profit entities. The company was incorporated in 1927 and is headquartered in Rolling Meadows, Illinois.


Insider Transactions at AJG

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
678K Shares
From 34 Insiders
Grant, award, or other acquisition 111K shares
Exercise of conversion of derivative security 410K shares
Bona fide gift 153K shares
Open market or private purchase 4.06K shares
Sell / Disposition
664K Shares
From 43 Insiders
Open market or private sale 169K shares
Payment of exercise price or tax liability 126K shares
Bona fide gift 253K shares
Exercise of conversion of derivative security 117K shares

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