According to SEC filings for the period ending December 2025, Arthur J. Gallagher & Co. (NYSE:AJG) is held by 84 institutional firms.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 30 Sep, 2025 | 31,173,310 | 76,768 | 0.25% | $9,655,621,040.00 |
| JPMORGAN CHASE & CO | 30 Sep, 2025 | 20,338,533 | 3,330,205 | 19.58% | $6,299,674,457.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 18,563,980 | -419,087 | -2.21% | $5,750,007,008.00 |
| FMR LLC | 30 Sep, 2025 | 12,532,601 | -530,592 | -4.06% | $3,881,848,085.00 |
| Capital World Investors | 30 Sep, 2025 | 11,783,119 | 101,298 | 0.87% | $3,649,476,890.00 |
| STATE STREET CORP | 30 Sep, 2025 | 10,891,080 | 147,587 | 1.37% | $3,373,403,119.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 8,585,790 | 1,493,137 | 21.05% | $2,659,363,544.00 |
| Capital International Investors | 30 Sep, 2025 | 7,194,743 | 45,256 | 0.63% | $2,228,156,093.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 6,002,006 | 90,546 | 1.53% | $1,854,194,349.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 30 Sep, 2025 | 3,270,807 | 395,304 | 13.75% | $1,013,099,760.00 |
| Mitsubishi UFJ Asset Management Co., Ltd. | 30 Sep, 2025 | 3,107,390 | 725,555 | 30.46% | $962,482,979.00 |
| PRINCIPAL FINANCIAL GROUP INC | 30 Sep, 2025 | 2,866,786 | 593,483 | 26.11% | $887,976,391.00 |
| T. Rowe Price Investment Management, Inc. | 30 Sep, 2025 | 2,634,040 | 2,495,881 | 1,806.53% | $815,868.00 |
| BROWN ADVISORY INC | 30 Sep, 2025 | 2,517,922 | 231,124 | 10.11% | $779,909,969.00 |
| WCM INVESTMENT MANAGEMENT, LLC | 30 Sep, 2025 | 2,431,998 | -32,664 | -1.33% | $743,486,185.00 |
| NORTHERN TRUST CORP | 30 Sep, 2025 | 2,317,351 | -30,992 | -1.32% | $717,776,299.00 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 30 Sep, 2025 | 2,028,958 | -7,836 | -0.38% | $628,452,072.00 |
| Invesco Ltd. | 30 Sep, 2025 | 1,647,624 | -707,008 | -30.03% | $510,335,087.00 |
| JANUS HENDERSON GROUP PLC | 30 Sep, 2025 | 1,630,287 | 81,996 | 5.30% | $505,123,629.00 |
| BANK OF AMERICA CORP /DE/ | 30 Sep, 2025 | 1,565,997 | 102,118 | 6.98% | $485,051,815.00 |