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Arthur J. Gallagher & Co

1,310 hedge funds and large institutions have $69.5B invested in Arthur J. Gallagher & Co in 2025 Q3 according to their latest regulatory filings, with 114 funds opening new positions, 499 increasing their positions, 476 reducing their positions, and 135 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:

4% less funds holding

Funds holding: 1,3631,310 (-53)

16% less first-time investments, than exits

New positions opened: 114 | Existing positions closed: 135

30% less funds holding in top 10

Funds holding in top 10: 3726 (-11)

Holders
1,310
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
PCH
1326
Polar Capital Holdings
United Kingdom
DWA
1327
Dorsey Wright & Associates
California
CLGM
1328
Capitolis Liquid Global Markets
New York
MCM
1329
Marsico Capital Management
Colorado
GC
1330
Gillson Capital
Illinois
SCM
1331
Silvant Capital Management
Georgia
TPSF
1332
Texas Permanent School Fund
Texas
SBH
1333
Segall Bryant & Hamill
Illinois
QT
1334
Quantbot Technologies
New York
TSS
1335
Two Sigma Securities
New York
TPM
1336
Triasima Portfolio Management
Quebec, Canada
OQS
1337
Occudo Quantitative Strategies
Florida
YIH
1338
Y-Intercept (HK)
Hong Kong
ACM
1339
AlphaStar Capital Management
North Carolina
Parallax Volatility Advisers
1340
Parallax Volatility Advisers
California
WG
1341
Winton Group
United Kingdom
IFU
1342
iSAM Funds (UK)
United Kingdom
DFCM
1343
Dark Forest Capital Management
Puerto Rico
Two Sigma Advisers
1344
Two Sigma Advisers
New York
Qube Research & Technologies (QRT)
1345
Qube Research & Technologies (QRT)
United Kingdom
SGI
1346
Summit Global Investments
Utah
DAS
1347
DMKC Advisory Services
Iowa
AIC
1348
Anthracite Investment Company
Texas
VF
1349
Virtu Financial
New York
QCM
1350
Qsemble Capital Management
New York