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Arthur J. Gallagher & Co

1,227 hedge funds and large institutions have $49.6B invested in Arthur J. Gallagher & Co in 2026 Q1 according to their latest regulatory filings, with 151 funds opening new positions, 423 increasing their positions, 468 reducing their positions, and 180 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

16% less first-time investments, than exits

New positions opened: 151 | Existing positions closed: 180

18% less capital invested

Capital invested by funds: $60.6B → $49.6B (-$10.9B)

33% less funds holding in top 10

Funds holding in top 10: 1812 (-6)

Holders
1,227
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$174M
Puts
$71.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Balyasny Asset Management
101
Balyasny Asset Management
Illinois
$51.8M
Millennium Management
102
Millennium Management
New York
$50.7M
Bank of Montreal
103
Bank of Montreal
Ontario, Canada
$48.6M
State Board of Administration of Florida Retirement System
104
State Board of Administration of Florida Retirement System
Florida
$47.6M
Fifth Third Bancorp
105
Fifth Third Bancorp
Ohio
$47.4M
Russell Investments Group
106
Russell Investments Group
United Kingdom
$47.2M
Jones Financial Companies
107
Jones Financial Companies
Missouri
$46M
Aviva
108
Aviva
United Kingdom
$45.8M
FFM
109
Fisher Funds Management
New Zealand
$44.9M
Korea Investment Corp
110
Korea Investment Corp
South Korea
$44M
CII
111
Capital International Inc
California
$43.5M
Retirement Systems of Alabama
112
Retirement Systems of Alabama
Alabama
$43.5M
Canada Life
113
Canada Life
Manitoba, Canada
$42.6M
Aberdeen Group
114
Aberdeen Group
United Kingdom
$41.4M
ORIO
115
Old Republic International (ORI)
Illinois
$41.3M
FDCDDQ
116
Federation des caisses Desjardins du Quebec
Quebec, Canada
$39.9M
FWIA
117
Fort Washington Investment Advisors
Ohio
$39.7M
New York State Teachers Retirement System (NYSTRS)
118
New York State Teachers Retirement System (NYSTRS)
New York
$38.3M
Stifel Financial
119
Stifel Financial
Missouri
$37.8M
SCP
120
Sandhill Capital Partners
New York
$37.3M
NAM
121
Nissay Asset Management
Japan
$37.1M
First Trust Advisors
122
First Trust Advisors
Illinois
$36.8M
Alyeska Investment Group
123
Alyeska Investment Group
Illinois
$36.7M
WHG
124
Westwood Holdings Group
Texas
$36.6M
LPL Financial
125
LPL Financial
California
$36M