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 1,489 institutions that hold shares in the stock, with a total of 213 Million shares, which have been reported (via 13F filing form) to have a value of $55.1 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Hms Capital Management, LLC
|
Jan 16, 2026 Q4 2025 |
4,151
shares
|
$1.07 Million
0.45% of portfolio
|
Q4 2025
Reduced 1.57%
|
|
|
Advisor Os, LLC
|
Nov 10, 2025 Q3 2025 |
4,136
shares
|
$1.07 Million
0.12% of portfolio
|
Q3 2025
Added 5.75%
|
|
|
55 I, LLC
Boston, MA |
Nov 14, 2022 Q3 2022 |
4,135
shares
|
$1.07 Million
0.02% of portfolio
|
Q3 2022
New holding
|
|
|
Shell Asset Management CO
The Hague, P7 |
Nov 07, 2025 Q3 2025 |
4,125
shares
|
$1.07 Million
0.13% of portfolio
|
Q3 2025
Reduced 38.74%
|
|
|
Meiji Yasuda Asset Management CO Ltd.
Tokyo, M0 |
Nov 12, 2025 Q3 2025 |
4,099
shares
|
$1.06 Million
0.06% of portfolio
|
Q3 2025
Reduced 4.94%
|
|
|
Stonnington Group, LLC
|
Apr 14, 2023 Q1 2023 |
4,093
shares
|
$1.06 Million
0.21% of portfolio
|
Q1 2023
Reduced 9.25%
|
|
|
Menard Financial Group LLC
Houston, TX |
Nov 14, 2025 Q3 2025 |
4,090
shares
|
$1.06 Million
0.92% of portfolio
|
Q3 2025
Added 9.39%
|
|
|
Ellis Investment Partners, LLC
|
Oct 22, 2025 Q3 2025 |
4,042
shares
|
$1.04 Million
0.24% of portfolio
|
Q3 2025
Reduced 5.36%
|
|
|
Lebenthal Global Advisors, LLC
|
Nov 04, 2025 Q3 2025 |
4,011
shares
|
$1.04 Million
0.22% of portfolio
|
Q3 2025
Added 6.11%
|
|
|
Triangle Securities Wealth Management
|
Jan 13, 2026 Q4 2025 |
4,003
shares
|
$1.03 Million
0.24% of portfolio
|
Q4 2025
Added 23.89%
|
|
|
Forte Capital LLC
|
Jul 15, 2025 Q2 2025 |
3,963
shares
|
$1.02 Million
0.15% of portfolio
|
Q2 2025
Added 5.06%
|
|
|
Gamma Investing LLC
Foster City, CA |
Jan 02, 2026 Q4 2025 |
3,959
shares
|
$1.02 Million
0.05% of portfolio
|
Q4 2025
Reduced 22.89%
|
|
|
Citizens Financial Group Inc
|
Oct 24, 2025 Q3 2025 |
3,958
shares
|
$1.02 Million
0.02% of portfolio
|
Q3 2025
Added 0.97%
|
|
|
Oak Ridge Investments LLC
|
Oct 29, 2025 Q3 2025 |
3,954
shares
|
$1.02 Million
0.08% of portfolio
|
Q3 2025
Added 0.66%
|
|
|
Whittier Trust CO Of Nevada Inc
|
Oct 31, 2025 Q3 2025 |
3,930
shares
|
$1.02 Million
0.03% of portfolio
|
Q3 2025
Reduced 0.05%
|
|
|
Abn Amro Investment Solutions
Paris Cedex 008, |
Nov 07, 2025 Q3 2025 |
3,924
shares
|
$1.01 Million
0.02% of portfolio
|
Q3 2023
Reduced 69.55%
|
|
|
Pinnacle Associates LTD
|
Nov 12, 2025 Q3 2025 |
3,922
shares
|
$1.01 Million
0.02% of portfolio
|
Q3 2025
Reduced 0.78%
|
|
|
Australian Super Pty LTD
|
Nov 12, 2025 Q3 2025 |
3,913
shares
|
$1.01 Million
0.01% of portfolio
|
Q3 2025
Added 181.71%
|
|
|
Great Valley Advisor Group, Inc.
|
Nov 14, 2025 Q3 2025 |
3,913
shares
|
$1.01 Million
0.03% of portfolio
|
Q3 2025
Added 60.83%
|
|
|
Essex Investment Management CO LLC
Boston, MA |
Nov 06, 2025 Q3 2025 |
3,887
shares
|
$1 Million
0.21% of portfolio
|
Q1 2025
Added 0.18%
|
|
|
Tema Etfs LLC
New York, NY |
Jan 16, 2026 Q4 2025 |
3,850
shares
|
$995,263
0.08% of portfolio
|
Q4 2025
Reduced 0.21%
|
|
|
Fiduciary Alliance LLC
Greenville, SC |
Oct 08, 2025 Q3 2025 |
3,828
shares
|
$989,576
0.08% of portfolio
|
Q3 2025
Reduced 4.2%
|
|
|
Sigma Planning Corp
Ann Arbor, MI |
Nov 10, 2025 Q3 2025 |
3,802
shares
|
$982,855
0.04% of portfolio
|
Q3 2025
Reduced 5.77%
|
|
|
Bms Financial Advisors, LLC
|
Jul 31, 2023 Q2 2023 |
3,792
shares
|
$980,269
0.56% of portfolio
|
Q2 2023
Reduced 32.88%
|
|
|
Empirical Asset Management, LLC
|
Nov 10, 2025 Q3 2025 |
3,784
shares
|
$978,201
0.17% of portfolio
|
Q3 2025
Added 64.59%
|
|