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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
First Manhattan
376
First Manhattan
New York
$4M
FAB
377
First American Bank
Illinois
$4M
AG
378
AIA Group
Hong Kong
$3.94M
QIM
379
Quantitative Investment Management
Virginia
$3.89M
PA
380
PFG Advisors
Arizona
$3.88M
CTC
381
Central Trust Company
Missouri
$3.73M
SCM
382
Sitrin Capital Management
California
$3.71M
CGIM
383
Capital Group Investment Management
Singapore
$3.71M
CTI
384
Community Trust & Investment
Kentucky
$3.69M
AI
385
Atria Investments
North Carolina
$3.69M
OIMU
386
Osmosis Investment Management UK
United Kingdom
$3.65M
ECSS
387
Eurizon Capital SGR SpA
$3.63M
BL
388
BFSG LLC
California
$3.62M
PAS
389
Park Avenue Securities
New York
$3.61M
SA
390
Sanctuary Advisors
Indiana
$3.61M
BCM
391
Brookmont Capital Management
Texas
$3.58M
BOC
392
Barbara Oil Co
Illinois
$3.57M
OCM
393
Obion Capital Management
Florida
$3.54M
Thrivent Financial for Lutherans
394
Thrivent Financial for Lutherans
Minnesota
$3.54M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
395
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.5M
SSCM
396
Sovereign's Capital Management
Georgia
$3.47M
JAG
397
Journey Advisory Group
Kentucky
$3.43M
Susquehanna International Group
398
Susquehanna International Group
Pennsylvania
$3.42M
PFPG
399
Pinnacle Financial Partners (Georgia)
Georgia
$3.41M
Bessemer Group
400
Bessemer Group
New Jersey
$3.38M