| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | Arthur J. Gallagher & Co. | 25,553,064 | 11.8% | EDGAR |
| SC 13G | 2024-01-25 | BlackRock Inc. | Arthur J. Gallagher & Co. | 17,415,095 | 8.1% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | Arthur J. Gallagher & Co. | 26,124,202 | 12.4% | EDGAR |
| SC 13G/A | 2023-02-03 | BlackRock Inc. | Arthur J. Gallagher & Co. | 16,707,293 | 7.9% | EDGAR |
| SC 13G/A | 2022-02-09 | VANGUARD GROUP INC | Arthur J. Gallagher & Co. | 24,314,580 | 11.7% | EDGAR |
| SC 13G/A | 2022-02-01 | BlackRock Inc. | Arthur J. Gallagher & Co. | 16,267,719 | 7.8% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | Arthur J. Gallagher & Co. | 21,066,109 | 11.0% | EDGAR |
| SC 13G/A | 2021-01-27 | BlackRock Inc. | Arthur J. Gallagher & Co. | 20,229,733 | 10.5% | EDGAR |
| SC 13G | 2020-08-10 | Arthur J. Gallagher & Co. | PG&E Corp | 11,395,988 | 0.6% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | ARTHUR J. GALLAGHER & CO. | 21,387,625 | 11.5% | EDGAR |
| SC 13G/A | 2020-02-04 | BlackRock Inc. | ARTHUR J. GALLAGHER & CO. | 20,241,439 | 10.8% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | GALLAGHER ARTHUR J & CO | 20,308,477 | 11.0% | EDGAR |
| SC 13G/A | 2019-01-10 | BlackRock Inc. | GALLAGHER ARTHUR J & CO | 19,674,828 | 10.7% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | GALLAGHER ARTHUR J & CO | 18,710,585 | 10.3% | EDGAR |
| SC 13G/A | 2018-01-25 | BlackRock Inc. | GALLAGHER ARTHUR J & CO | 14,413,622 | 8.0% | EDGAR |
| SC 13G/A | 2017-12-07 | JPMORGAN CHASE & CO | GALLAGHER ARTHUR J & CO | 7,006,583 | 3.8% | EDGAR |
| SC 13G/A | 2017-07-10 | VANGUARD GROUP INC | GALLAGHER ARTHUR J & CO | 18,149,660 | 10.1% | EDGAR |
| SC 13G/A | 2017-02-09 | VANGUARD GROUP INC | GALLAGHER ARTHUR J & CO | 17,002,774 | 9.6% | EDGAR |
| SC 13G/A | 2017-01-19 | BlackRock Inc. | GALLAGHER ARTHUR J & CO | 14,488,986 | 8.1% | EDGAR |
| SC 13G/A | 2017-01-18 | JPMORGAN CHASE & CO | GALLAGHER ARTHUR J & CO | - | - | EDGAR |