AJG icon

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
DWA
1351
Dorsey Wright & Associates
California
CLGM
1352
Capitolis Liquid Global Markets
New York
MCM
1353
Marsico Capital Management
Colorado
GC
1354
Gillson Capital
Illinois
SCM
1355
Silvant Capital Management
Georgia
SBH
1356
Segall Bryant & Hamill
Illinois
QT
1357
Quantbot Technologies
New York
TSS
1358
Two Sigma Securities
New York
TPM
1359
Triasima Portfolio Management
Quebec, Canada
OQS
1360
Occudo Quantitative Strategies
Florida
YIH
1361
Y-Intercept (HK)
Hong Kong
ACM
1362
AlphaStar Capital Management
North Carolina
Parallax Volatility Advisers
1363
Parallax Volatility Advisers
California
WG
1364
Winton Group
United Kingdom
IFU
1365
iSAM Funds (UK)
United Kingdom
DFCM
1366
Dark Forest Capital Management
Puerto Rico
Two Sigma Advisers
1367
Two Sigma Advisers
New York
Qube Research & Technologies (QRT)
1368
Qube Research & Technologies (QRT)
United Kingdom
SGI
1369
Summit Global Investments
Utah
DAS
1370
DMKC Advisory Services
Iowa
AIC
1371
Anthracite Investment Company
Texas
VF
1372
Virtu Financial
New York
QCM
1373
Qsemble Capital Management
New York
QC
1374
Quantessence Capital
New York
VWM
1375
VCI Wealth Management
Missouri