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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
ECM
351
EagleClaw Capital Management
Massachusetts
$4.83M
AIMC
352
Alley Investment Management Company
Illinois
$4.79M
M&T Bank
353
M&T Bank
New York
$4.76M
CPIG
354
Chicago Partners Investment Group
Illinois
$4.73M
WG
355
Winton Group
United Kingdom
$4.7M
TWC
356
TD Waterhouse Canada
Ontario, Canada
$4.7M
Macquarie Group
357
Macquarie Group
Australia
$4.68M
CSP
358
Cary Street Partners
Virginia
$4.68M
Cambridge Investment Research Advisors
359
Cambridge Investment Research Advisors
Iowa
$4.63M
WDA
360
Wendell David Associates
New Hampshire
$4.58M
FCM
361
Fourpath Capital Management
Oklahoma
$4.55M
SAM
362
Silvercrest Asset Management
New York
$4.5M
CS
363
Candriam SCA
Luxembourg
$4.47M
IC
364
IEQ Capital
California
$4.46M
CFO
365
Callan Family Office
Pennsylvania
$4.4M
AC
366
Allstate Corporation
Illinois
$4.39M
FLI
367
Family Legacy Inc
South Carolina
$4.32M
GIBU
368
Gulf International Bank (UK)
United Kingdom
$4.29M
AI
369
Ariel Investments
Illinois
$4.28M
AUB
370
Atlantic Union Bankshares
Virginia
$4.21M
FDP
371
Financiere des Professionnels
Quebec, Canada
$4.2M
PAMP
372
Polar Asset Management Partners
Ontario, Canada
$4.12M
Schroder Investment Management Group
373
Schroder Investment Management Group
United Kingdom
$4.11M
EMPI
374
Elo Mutual Pension Insurance
Finland
$4.11M
SHGA
375
Sand Hill Global Advisors
California
$4.05M