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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
Sumitomo Mitsui Trust Group
51
Sumitomo Mitsui Trust Group
Japan
$184M
Allianz Asset Management
52
Allianz Asset Management
Germany
$177M
Amundi
53
Amundi
France
$173M
Bank Julius Baer & Co
54
Bank Julius Baer & Co
Switzerland
$173M
HSBC Holdings
55
HSBC Holdings
United Kingdom
$173M
Lord, Abbett & Co
56
Lord, Abbett & Co
New Jersey
$169M
Manulife (Manufacturers Life Insurance)
57
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$168M
UE
58
Unisphere Establishment
Liechtenstein
$166M
Bessemer Group
59
Bessemer Group
New Jersey
$165M
GRP
60
Global Retirement Partners
California
$156M
National Pension Service
61
National Pension Service
South Korea
$148M
CIM
62
CCLA Investment Management
United Kingdom
$147M
SFFS
63
Stonehage Fleming Financial Services
Jersey
$143M
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$140M
Wells Fargo
65
Wells Fargo
California
$139M
Kovitz Investment Group Partners
66
Kovitz Investment Group Partners
Illinois
$138M
Franklin Resources
67
Franklin Resources
California
$132M
Renaissance Technologies
68
Renaissance Technologies
New York
$124M
CAM
69
Congress Asset Management
Massachusetts
$124M
T. Rowe Price Associates
70
T. Rowe Price Associates
Maryland
$123M
Nomura Asset Management
71
Nomura Asset Management
Japan
$120M
TD Asset Management
72
TD Asset Management
Ontario, Canada
$120M
California State Teachers Retirement System (CalSTRS)
73
California State Teachers Retirement System (CalSTRS)
California
$120M
American Century Companies
74
American Century Companies
Missouri
$114M
Assenagon Asset Management
75
Assenagon Asset Management
Luxembourg
$112M