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Arthur J. Gallagher & Co

1,359 hedge funds and large institutions have $72.6B invested in Arthur J. Gallagher & Co in 2025 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 555 increasing their positions, 474 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

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

more ownership

Funds ownership:

1% more funds holding

Funds holding: 1,3411,359 (+18)

6% less capital invested

Capital invested by funds: $77.2B → $72.6B (-$4.6B)

24% less funds holding in top 10

Funds holding in top 10: 4937 (-12)

Holders
1,359
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
37
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$164M
Puts
$148M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
EOJOAM
476
E. Ohman J:or Asset Management
Sweden
$3.55M
CA
477
Cornerstone Advisors
North Carolina
$3.52M
WAS
478
WESPAC Advisors SoCal
California
$3.5M
WT
479
Whittier Trust
California
$3.48M
AF
480
Allworth Financial
California
$3.47M
Qube Research & Technologies (QRT)
481
Qube Research & Technologies (QRT)
United Kingdom
$3.43M
CL
482
Choreo LLC
Illinois
$3.41M
Jones Financial Companies
483
Jones Financial Companies
Missouri
$3.34M
SGI
484
Summit Global Investments
Utah
$3.34M
TNAM
485
Terra Nova Asset Management
New York
$3.29M
SCM
486
Stonebridge Capital Management
California
$3.29M
Walleye Trading
487
Walleye Trading
New York
$3.27M
TFP
488
Tilia Fiduciary Partners
North Carolina
$3.27M
DAS
489
DMKC Advisory Services
Iowa
$3.24M
LOAMS
490
Lombard Odier Asset Management (Switzerland)
Switzerland
$3.21M
AA
491
Ancora Advisors
Ohio
$3.21M
GCC
492
Game Creek Capital
Massachusetts
$3.2M
AIC
493
Anthracite Investment Company
Texas
$3.2M
VF
494
Virtu Financial
New York
$3.2M
BAMF
495
BI Asset Management Fondsmaeglerselskab
Denmark
$3.2M
TWM
496
Trueblood Wealth Management
Ohio
$3.2M
FFA
497
Fairfield Financial Advisors
Massachusetts
$3.19M
Robeco Institutional Asset Management
498
Robeco Institutional Asset Management
Netherlands
$3.17M
RWM
499
Ritholtz Wealth Management
New York
$3.15M
ALMGDA
500
AG2R La Mondiale Gestion d'Actifs
France
$3.11M