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Arthur J. Gallagher & Co

1,310 hedge funds and large institutions have $69.5B invested in Arthur J. Gallagher & Co in 2025 Q3 according to their latest regulatory filings, with 114 funds opening new positions, 499 increasing their positions, 476 reducing their positions, and 135 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

4% less funds holding

Funds holding: 1,3631,310 (-53)

16% less first-time investments, than exits

New positions opened: 114 | Existing positions closed: 135

30% less funds holding in top 10

Funds holding in top 10: 3726 (-11)

Holders
1,310
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$242M
Puts
$113M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
William Blair & Company
151
William Blair & Company
Illinois
$35.2M
Asset Management One
152
Asset Management One
Japan
$35.2M
CAPTRUST Financial Advisors
153
CAPTRUST Financial Advisors
North Carolina
$35.1M
FWCM
154
Ferguson Wellman Capital Management
Oregon
$35M
Truist Financial
155
Truist Financial
North Carolina
$34.9M
Citadel Advisors
156
Citadel Advisors
Florida
$34.4M
FGP
157
Freestone Grove Partners
California
$34.3M
Pictet Asset Management
158
Pictet Asset Management
Switzerland
$33.9M
TAF
159
Tredje AP-fonden
Sweden
$33.8M
TNB
160
Thomasville National Bank
Georgia
$33.6M
SCP
161
Sandhill Capital Partners
New York
$33.5M
DekaBank Deutsche Girozentrale
162
DekaBank Deutsche Girozentrale
Germany
$33.4M
Cetera Investment Advisers
163
Cetera Investment Advisers
Illinois
$33M
VG
164
Visualize Group
New York
$32.9M
BCM
165
Bowie Capital Management
Texas
$32.9M
N
166
Natixis
France
$32.6M
CS
167
Central Securities
New York
$32.5M
CIS
168
Capital International Sarl
California
$32M
IMCOOI
169
Investment Management Corp of Ontario (IMCO)
Canada
$31.6M
QCM
170
Quantinno Capital Management
New York
$31.5M
Ohio Public Employees Retirement System (OPERS)
171
Ohio Public Employees Retirement System (OPERS)
Ohio
$31.4M
Mercer Global Advisors
172
Mercer Global Advisors
Colorado
$31.2M
RAM
173
Resona Asset Management
Japan
$30.9M
Marshall Wace
174
Marshall Wace
United Kingdom
$30.8M
CC
175
Cornerstone Capital
California
$30.4M