Institutional Ownership Arthur J. Gallagher & Co. (AJG)
This table provides information about the institutional ownership of Arthur J. Gallagher & Co. (AJG). We have compiled data on the 1,504 institutions that hold shares in the stock, with a total of 214 Million shares, which have been reported (via 13F filing form) to have a value of $55.2 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Assenagon Asset Management S.A.
|
Oct 07, 2025 Q3 2025 |
361,006
shares
|
$93.3 Million
0.17% of portfolio
|
Q3 2025
Reduced 2.02%
|
|
|
Raymond James & Associates
St Petersburg, FL |
Oct 18, 2024 Q3 2024 |
360,527
shares
|
$93.2 Million
0.06% of portfolio
|
Q3 2024
Added 0.44%
|
|
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
Oct 30, 2025 Q3 2025 |
358,048
shares
|
$92.6 Million
0.2% of portfolio
|
Q3 2025
Added 10.73%
|
|
|
Regions Financial Corp
|
Nov 19, 2025 Q3 2025 |
356,875
shares
|
$92.3 Million
0.73% of portfolio
|
Q3 2025
Reduced 1.16%
|
|
|
Fenimore Asset Management Inc
|
Oct 20, 2025 Q3 2025 |
355,301
shares
|
$91.8 Million
2.39% of portfolio
|
Q3 2025
Reduced 0.29%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
350,084
shares
|
$90.5 Million
0.09% of portfolio
|
Q1 2024
Reduced 4.97%
|
|
|
Natixis Advisors, L.P.
Boston, MA |
Nov 12, 2025 Q3 2025 |
335,248
shares
|
$86.7 Million
0.15% of portfolio
|
Q3 2025
Added 1.61%
|
|
|
New York State Common Retirement Fund
|
Nov 03, 2025 Q3 2025 |
327,639
shares
|
$84.7 Million
0.14% of portfolio
|
Q3 2025
Reduced 4.4%
|
|
|
Cibc Bancorp Usa Inc.
Chicago, IL |
Nov 12, 2025 Q3 2025 |
309,851
shares
|
$80.1 Million
0.12% of portfolio
|
Q3 2025
Reduced 88.59%
|
|
|
Credit Agricole S A
|
Nov 14, 2025 Q3 2025 |
307,798
shares
|
$79.6 Million
0.26% of portfolio
|
Q3 2025
Reduced 9.93%
|
|
|
Russell Investments Group, Ltd.
|
Nov 13, 2025 Q3 2025 |
303,854
shares
|
$78.5 Million
0.11% of portfolio
|
Q3 2025
Added 29.48%
|
|
|
Zacks Investment Management
Chicago, IL |
Nov 14, 2025 Q3 2025 |
296,878
shares
|
$76.7 Million
0.76% of portfolio
|
Q3 2025
Reduced 0.73%
|
|
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
Nov 14, 2025 Q3 2025 |
293,103
shares
|
$75.8 Million
0.15% of portfolio
|
Q3 2025
Reduced 40.74%
|
|
|
Welch & Forbes LLC
|
Nov 03, 2025 Q3 2025 |
292,770
shares
|
$75.7 Million
1.1% of portfolio
|
Q3 2025
Reduced 0.62%
|
|
|
Cibc Private Wealth Group, LLC
|
Nov 21, 2025 Q3 2025 |
273,659
shares
|
$70.7 Million
0.15% of portfolio
|
Q3 2025
Reduced 10.33%
|
|
|
Nissay Asset Management Corp
Tokyo, M0 |
Nov 14, 2025 Q3 2025 |
272,527
shares
|
$70.5 Million
0.47% of portfolio
|
Q3 2025
Added 122.62%
|
|
|
Westfield Capital Management CO LP
Boston, MA |
Nov 10, 2025 Q3 2025 |
267,709
shares
|
$69.2 Million
0.38% of portfolio
|
Q3 2025
Reduced 17.54%
|
|
|
Great West Life Assurance CO
Winnipeg, A2 |
Nov 17, 2025 Q3 2025 |
267,316
shares
|
$69.1 Million
0.12% of portfolio
|
Q3 2025
Added 1.69%
|
|
|
Abeille Asset Management Sa
|
Jan 20, 2023 Q4 2022 |
261,096
shares
|
$67.5 Million
1.77% of portfolio
|
Q4 2022
Reduced 0.48%
|
|
|
Kornitzer Capital Management Inc
|
Oct 31, 2025 Q3 2025 |
247,099
shares
|
$63.9 Million
1.62% of portfolio
|
Q3 2025
Reduced 4.43%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
239,487
shares
|
$61.9 Million
0.02% of portfolio
|
Q3 2025
Added 8.21%
|
|
|
Bank Of Montreal
Toronto, A6 |
Nov 13, 2025 Q3 2025 |
238,322
shares
|
$61.6 Million
0.03% of portfolio
|
Q3 2025
Added 5.77%
|
|
|
Welch Group, LLC
|
Oct 14, 2025 Q3 2025 |
226,514
shares
|
$58.6 Million
2.74% of portfolio
|
Q3 2025
Added 1.11%
|
|
|
State Board Of Administration Of Florida Retirement System
|
Nov 14, 2025 Q3 2025 |
224,763
shares
|
$58.1 Million
0.13% of portfolio
|
Q3 2025
Reduced 1.83%
|
|
|
Comerica Bank
|
Nov 13, 2025 Q3 2025 |
222,225
shares
|
$57.4 Million
0.27% of portfolio
|
Q3 2025
Reduced 13.77%
|
|