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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
PEAK6
1376
PEAK6
Illinois
UBP
1377
Union Bancaire Privee
Switzerland
OTL
1378
Oak Thistle LLC
New York
KJHP
1379
K.J. Harrison & Partners
Ontario, Canada
SRL
1380
Scientech Research LLC
New Jersey
HIM
1381
Hanlon Investment Management
New Jersey
LCM
1382
Laurion Capital Management
New York
CWA
1383
Clarus Wealth Advisors
Arizona
MIM
1384
Morningstar Investment Management
Illinois
DTL
1385
Dynamic Technology Lab
Singapore
CFM
1386
Catalyst Funds Management
Australia
CAS
1387
CTC Alternative Strategies
Illinois
FC
1388
Farringdon Capital
United Kingdom
WLG
1389
Williamson Legacy Group
Indiana
NC
1390
NewSquare Capital
Pennsylvania
ECM
1391
ExodusPoint Capital Management
New York
EAM
1392
Eschler Asset Management
United Kingdom
Two Sigma Investments
1393
Two Sigma Investments
New York
VSQM
1394
V-Square Quantitative Management
Illinois
PFA
1395
Petra Financial Advisors
Colorado
FDP
1396
Financiere des Professionnels
Quebec, Canada
FAIM
1397
Financial Advocates Investment Management
Washington
CT
1398
ClearAlpha Technologies
Connecticut
PCP
1399
Proficio Capital Partners
Massachusetts
WI
1400
WrapManager Inc
California