Companies / Arthur J. Gallagher & Co. / Activity
Activity — Arthur J. Gallagher & Co.
29 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Brandes Investment Partners, LP 13F manager | New | Common stock | $151.88M | +701K | 701,260 0.03% of shares | high |
| Q1 2026 as of | Jupiter Asset Management Ltd 13F manager | New | Common stock | $113.22M | +531K | 531,235 0.02% of shares | high |
| Q1 2026 as of | First Pacific Advisors, LP 13F manager | New | Common stock | $83.97M | +388K | 387,687 0.02% of shares | high |
| Q1 2026 as of | Philadelphia Financial Management of San Francisco, LLC 13F manager | New | Common stock | $7.15M | +33K | 33,000 <0.01% of shares | medium |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | New | Common stock | $6.32M | +29K | 29,178 <0.01% of shares | medium |
| Q1 2026 as of | Polar Asset Management Partners Inc. 13F manager | New | Common stock | $4.12M | +19K | 19,000 <0.01% of shares | low |
| Q1 2026 as of | Sand Hill Global Advisors, LLC 13F manager | New | Common stock | $4.05M | +19K | 18,682 <0.01% of shares | low |
| Q1 2026 as of | Community Trust & Investment Co 13F manager | New | Common stock | $3.69M | +17K | 17,032 <0.01% of shares | low |
| Q1 2026 as of | Blackstone Inc 13F manager | New | Common stock | $2.90M | +13K | 13,368 <0.01% of shares | low |
| Q4 2025 as of | Peak6 LLC 13F manager | New | Common stock | $2.41M | +9K | 9,327 <0.01% of shares | low |
| Q4 2025 as of | First National Bank of Omaha 13F manager | New | Common stock | $596.2K | +2K | 2,277 <0.01% of shares | low |
| Q1 2026 as of | Campbell & CO Investment Adviser LLC 13F manager | New | Common stock | $577.2K | +3K | 2,665 <0.01% of shares | low |
| Q1 2026 as of | Evergreen Capital Management LLC 13F manager | New | Common stock | $563.3K | +3K | 2,601 <0.01% of shares | low |
| Q4 2025 as of | Banco Santander, S.A. 13F manager | New | Common stock | $513.2K | +2K | 1,983 <0.01% of shares | low |
| Q1 2026 as of | Double Black Diamond Offshore Ltd. 13F manager | New | Common stock | $346.5K | +2K | 1,600 <0.01% of shares | low |
| Q1 2026 as of | Nicolet Bankshares Inc 13F manager | New | Common stock | $314.9K | +1K | 1,456 <0.01% of shares | low |
| Q4 2025 as of | West Family Investments, Inc. 13F manager | New | Common stock | $303.8K | +1K | 1,174 <0.01% of shares | low |
| Q1 2026 as of | Arlington Partners LLC 13F manager | New | Common stock | $243.4K | +1K | 1,124 <0.01% of shares | low |
| Q1 2026 as of | Brighton Jones LLC 13F manager | New | Common stock | $218.1K | +1K | 1,007 <0.01% of shares | low |
| Q1 2025 as of | Burton Enright Welch 13F manager | New | Common stock | $214.7K | +622 | 622 <0.01% of shares | low |
| Q2 2026 as of | Tranquilli Financial Advisor LLC 13F manager | New | Common stock | $213.0K | +928 | 928 <0.01% of shares | low |
| Q1 2026 as of | Thompson Investment Management, Inc. 13F manager | New | Common stock | $52.6K | +243 | 243 <0.01% of shares | low |
| Q1 2023 as of | Leonteq Securities AG 13F manager | New | Common stock | $50.7K | +265 | 265 <0.01% of shares | low |
| Q3 2024 as of | Cornerstone National Bank & Trust Co 13F manager | New | Common stock | $36.3K | +129 | 129 <0.01% of shares | low |
| Q1 2026 as of | Timothy G. Youngquist 2020 Irrevocable Trust 13F manager | New | Common stock | $19.9K | +92 | 92 <0.01% of shares | low |
| Q2 2026 as of | Kingdom Financial Group LLC. 13F manager | New | Common stock | $2.1K | +9 | 9 0.00% of shares | low |
| Q1 2026 as of | Bard Associates, Inc. 13F manager | New | Common stock | $1.9K | +9 | 9 0.00% of shares | low |
| Q3 2024 as of | Chesapeake Asset Management LLC 13F manager | New | Common stock | $562 | +2 | 2 0.00% of shares | low |
| Q2 2026 as of | Tounjian Advisory Partners, LLC 13F manager | New | Common stock | $125 | +1 | 1 0.00% of shares | low |