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Arthur J. Gallagher & Co

1,334 hedge funds and large institutions have $69.6B invested in Arthur J. Gallagher & Co in 2025 Q3 according to their latest regulatory filings, with 112 funds opening new positions, 508 increasing their positions, 487 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

3% less funds holding

Funds holding: 1,3751,334 (-41)

18% less first-time investments, than exits

New positions opened: 112 | Existing positions closed: 137

30% less funds holding in top 10

Funds holding in top 10: 3726 (-11)

Holders
1,334
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$242M
Puts
$113M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AA
476
Ancora Advisors
Ohio
$3.07M
Robeco Institutional Asset Management
477
Robeco Institutional Asset Management
Netherlands
$3.02M
FFA
478
Fairfield Financial Advisors
Massachusetts
$2.99M
Lido Advisors
479
Lido Advisors
California
$2.99M
AWM
480
Apollon Wealth Management
South Carolina
$2.97M
Jane Street
481
Jane Street
New York
$2.96M
HWM
482
HB Wealth Management
Georgia
$2.96M
Group One Trading
483
Group One Trading
Illinois
$2.92M
FFA
484
Farther Finance Advisors
California
$2.87M
CL
485
Choreo LLC
Illinois
$2.86M
CWG
486
C WorldWide Group
Denmark
$2.86M
UB
487
UMB Bank
Missouri
$2.86M
OAM
488
Ostrum Asset Management
France
$2.86M
ONST
489
Old North State Trust
North Carolina
$2.85M
KIA
490
Knollwood Investment Advisory
Maryland
$2.84M
AC
491
Allstate Corporation
Illinois
$2.82M
WorldQuant Millennium Advisors
492
WorldQuant Millennium Advisors
New York
$2.8M
GIM
493
Glenmede Investment Management
Pennsylvania
$2.74M
TMAM
494
Tokio Marine Asset Management
Japan
$2.73M
TI
495
Tidal Investments
Wisconsin
$2.68M
LIM
496
Leavell Investment Management
Alabama
$2.67M
AI
497
Atom Investors
Texas
$2.66M
HA
498
Harbor Advisors
Florida
$2.59M
DGM
499
Delta Global Management
New York
$2.58M
AWA
500
Arkadios Wealth Advisors
Georgia
$2.54M