| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| JPMORGAN CHASE & CO | 7.8% | +16% | $6,242,814,966 | +$932,130,007 | 20,155,017 | +18% | JPMORGAN CHASE & CO. | 30 Sep 2025 |
| BlackRock, Inc. | 6.9% | $5,674,337,959 | 17,725,659 | BlackRock, Inc. | 30 Jun 2025 | |||
| Capital World Investors | 5% | $3,351,793,734 | 12,951,790 | Capital World Investors | 31 Dec 2025 |
As of 31 Dec 2025, 1,261 institutional investors reported holding 233,319,594 shares of Arthur J. Gallagher & Co. - Common Stock (AJG). This represents 90% of the company’s total 259,035,800 outstanding shares.
The largest institutional shareholders of Arthur J. Gallagher & Co. - Common Stock (AJG) together control 66% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 12% | 31,390,446 | +0.7% | 0.12% | $8,123,533,521 |
| JPMORGAN CHASE & CO | 7.8% | 20,313,249 | -0.12% | 0.35% | $5,256,866,617 |
| BlackRock, Inc. | 7.4% | 19,239,621 | +3.6% | 0.08% | $4,979,021,550 |
| FMR LLC | 5.8% | 15,110,682 | +21% | 0.2% | $3,910,493,366 |
| Capital World Investors | 4.9% | 12,613,371 | +7% | 0.44% | $3,264,358,666 |
| STATE STREET CORP | 4.2% | 10,953,598 | +0.57% | 0.1% | $2,834,681,626 |
| MORGAN STANLEY | 3% | 7,773,808 | -9.5% | 0.12% | $2,011,784,635 |
| NORGES BANK | 2.9% | 7,438,704 | 0.21% | $1,925,062,208 | |
| Capital International Investors | 2.4% | 6,280,455 | -13% | 0.25% | $1,625,558,730 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 6,014,196 | +0.2% | 0.1% | $1,553,237,593 |
| T. Rowe Price Investment Management, Inc. | 2.3% | 5,887,538 | +124% | 0.96% | $1,523,636,000 |
| Mitsubishi UFJ Asset Management Co., Ltd. | 1.2% | 3,056,069 | -1.7% | 0.53% | $782,353,664 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.1% | 2,965,983 | -9.3% | 0.13% | $767,566,741 |
| PRINCIPAL FINANCIAL GROUP INC | 1.1% | 2,832,943 | -1.2% | 0.37% | $733,151,314 |
| WCM INVESTMENT MANAGEMENT, LLC | 0.92% | 2,380,294 | -2.1% | 1.3% | $623,232,443 |
| NORTHERN TRUST CORP | 0.86% | 2,230,272 | -3.8% | 0.07% | $577,172,090 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.79% | 2,043,640 | +0.72% | 0.08% | $528,875,837 |
| BROWN ADVISORY INC | 0.78% | 2,027,929 | -19% | 0.73% | $524,813,875 |
| JANUS HENDERSON GROUP PLC | 0.72% | 1,869,559 | +15% | 0.22% | $483,868,236 |
| Invesco Ltd. | 0.67% | 1,733,169 | +5.2% | 0.07% | $448,526,860 |
| GOLDMAN SACHS GROUP INC | 0.66% | 1,708,676 | +22% | 0.06% | $442,188,100 |
| Capital Research Global Investors | 0.6% | 1,548,473 | +0.51% | 0.07% | $400,729,328 |
| BANK OF AMERICA CORP /DE/ | 0.58% | 1,508,079 | -3.7% | 0.03% | $390,275,830 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.56% | 1,446,769 | -5.1% | 0.08% | $374,409,349 |
| Legal & General Group Plc | 0.53% | 1,369,877 | -1.1% | 0.08% | $354,510,472 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 233,319,594 | $60,335,900,646 | +$2,063,742,641 | $258.79 | 1,261 |
| 2025 Q3 | 224,976,028 | $69,601,928,868 | -$1,040,359,194 | $309.74 | 1,326 |
| 2025 Q2 | 227,791,728 | $72,839,908,420 | +$1,101,453,811 | $320.12 | 1,360 |
| 2025 Q1 | 224,021,472 | $77,272,419,154 | -$1,774,697,720 | $345.24 | 1,341 |
| 2024 Q4 | 232,457,193 | $65,987,297,671 | +$12,131,406,733 | $283.85 | 1,309 |
| 2024 Q3 | 187,173,127 | $52,679,414,541 | -$530,726,999 | $281.37 | 1,190 |
| 2024 Q2 | 189,018,822 | $49,023,449,437 | +$906,162,686 | $259.31 | 1,142 |
| 2024 Q1 | 185,687,022 | $46,399,473,179 | +$33,618,211 | $250.04 | 1,119 |
| 2023 Q4 | 185,452,704 | $41,694,286,696 | -$110,939,205 | $224.88 | 1,077 |
| 2023 Q3 | 185,257,677 | $42,216,774,694 | +$536,912,503 | $227.93 | 991 |
| 2023 Q2 | 181,971,146 | $39,901,956,907 | +$247,732,208 | $219.57 | 967 |
| 2023 Q1 | 181,063,439 | $34,634,801,609 | +$63,909,468 | $191.31 | 935 |
| 2022 Q4 | 181,615,768 | $34,239,959,080 | +$19,660,891 | $188.54 | 909 |
| 2022 Q3 | 182,532,989 | $31,269,696,433 | +$511,820,151 | $171.22 | 849 |
| 2022 Q2 | 178,431,447 | $29,086,247,637 | +$228,103,920 | $163.04 | 811 |
| 2022 Q1 | 177,797,814 | $31,016,015,563 | +$81,171,001 | $174.60 | 804 |
| 2021 Q4 | 177,263,332 | $30,044,423,551 | +$16,714,205 | $169.67 | 842 |
| 2021 Q3 | 177,056,860 | $26,315,528,149 | +$190,241,113 | $148.65 | 756 |
| 2021 Q2 | 175,727,054 | $24,590,770,903 | +$1,450,848,130 | $140.08 | 766 |
| 2021 Q1 | 165,350,403 | $20,613,688,189 | +$229,737,382 | $124.77 | 719 |
| 2020 Q4 | 163,592,286 | $20,212,488,290 | +$476,727,934 | $123.71 | 712 |
| 2020 Q3 | 159,865,142 | $16,868,703,845 | +$63,972,121 | $105.58 | 683 |
| 2020 Q2 | 158,648,856 | $15,461,216,958 | +$235,091,999 | $97.49 | 653 |
| 2020 Q1 | 156,606,570 | $12,766,947,526 | -$64,398,603 | $81.51 | 639 |
| 2019 Q4 | 156,570,249 | $14,908,480,267 | -$240,509,341 | $95.23 | 669 |
| 2019 Q3 | 156,244,435 | $13,992,863,953 | +$216,173,025 | $89.57 | 634 |
| 2019 Q2 | 153,691,705 | $13,448,728,772 | +$363,520,875 | $87.59 | 637 |
| 2019 Q1 | 151,817,853 | $11,856,269,394 | -$126,691,061 | $78.10 | 661 |
| 2018 Q4 | 153,105,966 | $11,279,160,057 | +$160,774,381 | $73.70 | 591 |
| 2018 Q3 | 150,933,197 | $11,234,420,168 | -$29,858,275 | $74.44 | 586 |
| 2018 Q2 | 151,483,943 | $9,890,670,236 | +$301,558,470 | $65.28 | 573 |
| 2018 Q1 | 150,485,128 | $10,342,654,082 | -$175,059,697 | $68.73 | 591 |
| 2017 Q4 | 153,298,768 | $9,698,668,246 | +$157,530,353 | $63.28 | 575 |
| 2017 Q3 | 150,434,176 | $9,259,202,722 | +$161,660,538 | $61.55 | 507 |
| 2017 Q2 | 147,721,453 | $8,457,237,241 | +$66,235,972 | $57.25 | 509 |
| 2017 Q1 | 148,710,348 | $8,408,414,205 | +$950,585,521 | $56.54 | 487 |
| 2016 Q4 | 146,154,779 | $7,594,742,641 | -$38,202,167 | $51.96 | 484 |
| 2016 Q3 | 146,610,626 | $7,446,765,144 | +$119,077,486 | $50.87 | 462 |
| 2016 Q2 | 145,343,838 | $6,919,373,947 | +$19,351,965 | $47.60 | 473 |
| 2016 Q1 | 144,376,376 | $6,420,234,162 | +$47,309,478 | $44.48 | 424 |
| 2015 Q4 | 143,378,128 | $5,868,074,359 | +$39,501,699 | $40.94 | 429 |
| 2015 Q3 | 142,588,269 | $5,887,330,556 | +$51,855,119 | $41.28 | 401 |
| 2015 Q2 | 141,937,401 | $6,713,371,887 | +$362,161,376 | $47.30 | 400 |
| 2015 Q1 | 134,272,592 | $6,276,820,949 | +$88,149,477 | $46.75 | 372 |
| 2014 Q4 | 132,893,456 | $6,256,296,803 | +$175,126,244 | $47.08 | 368 |
| 2014 Q3 | 129,088,516 | $5,855,173,161 | +$144,685,002 | $45.36 | 360 |
| 2014 Q2 | 126,272,112 | $5,884,108,382 | +$1,005,930,480 | $46.60 | 362 |
| 2014 Q1 | 104,285,926 | $4,959,433,884 | +$86,608,305 | $47.58 | 333 |