Stocktoria
Arthur J. Gallagher & Co. AJG
Arthur J. Gallagher & Co. institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 17,227,693 | $4.5B | 6.7% |
| DODGE & COX | 7,354,915 | $1.6B | 2.86% |
| VIKING GLOBAL INVESTORS LP | 1,040,977 | $269.4M | 0.41% |
| CITADEL ADVISORS LLC | 915,692 | $198.3M | 0.36% |
| MILLENNIUM MANAGEMENT LLC | 289,420 | $62.7M | 0.11% |
| AQR CAPITAL MANAGEMENT LLC | 147,092 | $31.8M | 0.06% |
| RENAISSANCE TECHNOLOGIES LLC | 76,600 | $16.6M | 0.03% |
| Point72 Asset Management, L.P. | 30,880 | $6.7M | 0.01% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.