Latest Institutional Purchases of Arthur J. Gallagher & Co. (AJG)
This list provides information on the latest institutional transactions involving Arthur J. Gallagher & Co. (AJG) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 10, 2025
Q3 2025
|
Disciplina Capital Management LLC
Nashville, TN |
BUY
|
- |
1+ 0.65% |
$284 - $319
|
155
$40.1K
|
|
|
Nov 10, 2025
Q3 2025
|
Colonial Trust CO / Sc
Spartanburg, SC |
BUY
|
- |
1+ 0.0% |
$284 - $319
|
21.9K
$5.66M
|
|
|
Nov 10, 2025
Q3 2025
|
Hurley Capital, LLC
New York, NY |
BUY
|
- |
1New |
$284 - $319
|
1
$259
|
|
|
Nov 07, 2025
Q3 2025
|
Northwestern Mutual Investment Management Company, LLC
|
BUY
|
- |
1+ 0.01% |
$284 - $319
|
8.17K
$2.11M
|
|
|
Nov 07, 2025
Q3 2025
|
Mjp Associates Inc
|
BUY
|
- |
1+ 0.04% |
$284 - $319
|
2.78K
$718K
|
|
|
Nov 04, 2025
Q3 2025
|
Ogorek Anthony Joseph
|
BUY
|
- |
1+ 0.63% |
$284 - $319
|
159
$41.1K
|
|
|
Oct 28, 2025
Q3 2025
|
Compass Ion Advisors, LLC
|
BUY
|
- |
1+ 0.1% |
$284 - $319
|
987
$255K
|
|
|
Oct 27, 2025
Q3 2025
|
Stone House Investment Management, LLC
|
BUY
|
- |
1New |
$284 - $319
|
1
$259
|
|
|
Oct 27, 2025
Q3 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
1+ 0.39% |
$284 - $319
|
257
$66.4K
|
|
|
Oct 23, 2025
Q3 2025
|
Investmark Advisory Group LLC
|
BUY
|
- |
1+ 0.11% |
$284 - $319
|
929
$240K
|
|
|
Oct 21, 2025
Q3 2025
|
Steel Peak Wealth Management LLC
|
BUY
|
- |
1+ 0.05% |
$284 - $319
|
1.91K
$495K
|
|
|
Oct 20, 2025
Q3 2025
|
Mc Glone Suttner Wealth Management, Inc.
Appleton, WI |
BUY
|
- |
1+ 0.06% |
$284 - $319
|
1.77K
$458K
|
|
|
Oct 15, 2025
Q3 2025
|
Allen Mooney & Barnes Investment Advisors LLC
Thomasville, GA |
BUY
|
- |
1+ 0.14% |
$284 - $319
|
701
$181K
|
|
|
Oct 08, 2025
Q3 2025
|
Hilltop National Bank
Casper, WY |
BUY
|
- |
1+ 0.54% |
$284 - $319
|
186
$48.1K
|
|
|
Nov 13, 2025
Q3 2025
|
Loomis Sayles & CO L P
|
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
| Q2 2025 | |||||||
|
Aug 14, 2025
Q2 2025
|
Woodline Partners LP
San Francisco, CA |
BUY
|
- |
352K+ 3018.41% |
$109M - $123M
|
364K
$94M
|
|
|
Aug 12, 2025
Q2 2025
|
Laurel Wealth Advisors LLC
Charlotte, NC |
BUY
|
- |
140K+ 31912.1% |
$43.5M - $48.7M
|
140K
$36.2M
|
|
|
Nov 21, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
124K+ 21.22% |
$38.6M - $43.4M
|
710K
$184M
|
|
|
Aug 14, 2025
Q2 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
105KNew |
$32.6M - $36.6M
|
105K
$27.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Fortress Investment Group LLC
New York, NY |
BUY
|
- |
100KNew |
$31.1M - $34.9M
|
100K
$25.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Twinbeech Capital LP
Purchase, NY |
BUY
|
- |
74.3KNew |
$23.1M - $25.9M
|
74.3K
$19.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Weiss Asset Management LP
Boston, MA |
BUY
|
- |
73.2KNew |
$22.8M - $25.5M
|
73.2K
$18.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Viking Global Investors LP
|
BUY
|
- |
59.2K+ 8.89% |
$18.4M - $20.7M
|
726K
$188M
|
|
|
Aug 14, 2025
Q2 2025
|
Kingdon Capital Management, L.L.C.
New York, NY |
BUY
|
- |
45KNew |
$14M - $15.7M
|
45K
$11.6M
|
|
|
Dec 18, 2025
Q2 2025
|
Danske Bank A/S
Copenhagen K, G7 |
BUY
|
- |
40.2K+ 21.05% |
$12.5M - $14M
|
231K
$59.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Lighthouse Investment Partners, LLC
Palm Beach Gardens, FL |
BUY
|
- |
33.2K+ 44.62% |
$10.3M - $11.6M
|
107K
$27.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Capitolis Liquid Global Markets LLC
New York, NY |
BUY
|
- |
26KNew |
$8.08M - $9.07M
|
26K
$6.72M
|
|
|
Aug 14, 2025
Q2 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
CALL |
22.5KNew |
$6.99M - $7.85M
|
22.5K
$5.82M
|
|
|
Aug 13, 2025
Q2 2025
|
Quantbot Technologies LP
New York, NY |
BUY
|
- |
16.4KNew |
$5.09M - $5.72M
|
16.4K
$4.24M
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Securities, LLC
New York, NY |
BUY
|
- |
15.3KNew |
$4.77M - $5.35M
|
15.3K
$3.96M
|
|
|
Aug 14, 2025
Q2 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
BUY
|
PUT |
14.7KNew |
$4.57M - $5.13M
|
14.7K
$3.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Occudo Quantitative Strategies LP
Fort Lauderdale, FL |
BUY
|
- |
13.3KNew |
$4.15M - $4.65M
|
13.3K
$3.45M
|
|
|
Aug 01, 2025
Q2 2025
|
Y Intercept (Hong Kong) LTD
|
BUY
|
- |
13.3KNew |
$4.12M - $4.63M
|
13.3K
$3.43M
|
|
|
Aug 04, 2025
Q2 2025
|
Alpha Star Capital Management, LLC
|
BUY
|
- |
12.5KNew |
$3.87M - $4.34M
|
12.5K
$3.22M
|
|
|
Aug 14, 2025
Q2 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
BUY
|
- |
12KNew |
$3.72M - $4.17M
|
12K
$3.09M
|
|
|
Jul 21, 2025
Q2 2025
|
Schwab Charitable Fund
|
BUY
|
- |
11.8K+ 73.77% |
$3.68M - $4.12M
|
27.9K
$7.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Winton Group LTD
London, X0 |
BUY
|
- |
11.6KNew |
$3.59M - $4.03M
|
11.6K
$2.99M
|
|
|
Aug 14, 2025
Q2 2025
|
Isam Funds (Uk) LTD
London, X0 |
BUY
|
- |
11.5KNew |
$3.57M - $4M
|
11.5K
$2.97M
|
|
|
Aug 14, 2025
Q2 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
11.1KNew |
$3.45M - $3.87M
|
11.1K
$2.87M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
10.7KNew |
$3.33M - $3.74M
|
10.7K
$2.77M
|
|
|
Jul 18, 2025
Q2 2025
|
Dmkc Advisory Services, LLC
Des Moines, IA |
BUY
|
- |
10.3KNew |
$3.2M - $3.59M
|
10.3K
$2.66M
|
|
|
Aug 12, 2025
Q2 2025
|
Virtu Financial LLC
New York, NY |
BUY
|
- |
10KNew |
$3.11M - $3.49M
|
10K
$2.59M
|
|
|
Aug 11, 2025
Q2 2025
|
Qsemble Capital Management, LP
New York, NY |
BUY
|
- |
9.18KNew |
$2.85M - $3.2M
|
9.18K
$2.37M
|
|
|
Aug 14, 2025
Q2 2025
|
Quantessence Capital LLC
New York, NY |
BUY
|
- |
7.55KNew |
$2.35M - $2.63M
|
7.55K
$1.95M
|
|
|
Jul 30, 2025
Q2 2025
|
Deka Bank Deutsche Girozentrale
|
BUY
|
- |
6.37K+ 6.17% |
$1.98M - $2.22M
|
110K
$28.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Uss Investment Management LTD
|
BUY
|
- |
6.25K+ 17.9% |
$1.94M - $2.18M
|
41.2K
$10.7M
|
|
|
Jul 18, 2025
Q2 2025
|
Union Bancaire Privee, Ubp Sa
Geneva 1, V8 |
BUY
|
- |
5.71KNew |
$1.78M - $1.99M
|
5.71K
$1.48M
|
|
|
Aug 08, 2025
Q2 2025
|
Oak Thistle LLC
|
BUY
|
- |
5.23KNew |
$1.62M - $1.82M
|
5.23K
$1.35M
|
|
|
Aug 12, 2025
Q2 2025
|
Summit Global Investments
Bountiful, UT |
BUY
|
- |
5.12K+ 96.13% |
$1.59M - $1.78M
|
10.4K
$2.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Scientech Research LLC
Jersey City, NJ |
BUY
|
- |
4.93KNew |
$1.53M - $1.72M
|
4.93K
$1.27M
|
|