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Arthur J. Gallagher & Co

1,240 hedge funds and large institutions have $49.7B invested in Arthur J. Gallagher & Co in 2026 Q1 according to their latest regulatory filings, with 153 funds opening new positions, 429 increasing their positions, 472 reducing their positions, and 183 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: 153 | Existing positions closed: 183

18% less capital invested

Capital invested by funds: $60.6B → $49.7B (-$10.9B)

33% less funds holding in top 10

Funds holding in top 10: 1812 (-6)

Holders
1,240
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
N
351
Natixis
France
$4.88M
Janney Montgomery Scott
352
Janney Montgomery Scott
Pennsylvania
$4.87M
Mariner
353
Mariner
Kansas
$4.85M
ECM
354
EagleClaw Capital Management
Massachusetts
$4.83M
AIMC
355
Alley Investment Management Company
Illinois
$4.79M
M&T Bank
356
M&T Bank
New York
$4.76M
CPIG
357
Chicago Partners Investment Group
Illinois
$4.73M
WG
358
Winton Group
United Kingdom
$4.7M
TWC
359
TD Waterhouse Canada
Ontario, Canada
$4.7M
Macquarie Group
360
Macquarie Group
Australia
$4.68M
CSP
361
Cary Street Partners
Virginia
$4.68M
Cambridge Investment Research Advisors
362
Cambridge Investment Research Advisors
Iowa
$4.63M
WDA
363
Wendell David Associates
New Hampshire
$4.58M
FCM
364
Fourpath Capital Management
Oklahoma
$4.55M
SAM
365
Silvercrest Asset Management
New York
$4.5M
CS
366
Candriam SCA
Luxembourg
$4.47M
IC
367
IEQ Capital
California
$4.46M
CFO
368
Callan Family Office
Pennsylvania
$4.4M
AC
369
Allstate Corporation
Illinois
$4.39M
Pacer Advisors
370
Pacer Advisors
Pennsylvania
$4.37M
FLI
371
Family Legacy Inc
South Carolina
$4.32M
GIBU
372
Gulf International Bank (UK)
United Kingdom
$4.29M
AI
373
Ariel Investments
Illinois
$4.28M
AUB
374
Atlantic Union Bankshares
Virginia
$4.21M
FDP
375
Financiere des Professionnels
Quebec, Canada
$4.2M