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Arthur J. Gallagher & Co

1,322 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, 503 increasing their positions, 484 reducing their positions, and 136 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: 1,3681,322 (-46)

18% less first-time investments, than exits

New positions opened: 112 | Existing positions closed: 136

30% less funds holding in top 10

Funds holding in top 10: 3726 (-11)

Holders
1,322
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
Janney Montgomery Scott
226
Janney Montgomery Scott
Pennsylvania
$19.6M
LKIM
227
Lawson Kroeker Investment Management
Nebraska
$19.6M
VA
228
Vident Advisory
Georgia
$19.5M
AIMC
229
Alley Investment Management Company
Illinois
$19.4M
COPPSERS
230
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$19.1M
Mariner
231
Mariner
Kansas
$18.8M
Mackenzie Financial
232
Mackenzie Financial
Ontario, Canada
$18.7M
SO
233
STRS Ohio
Ohio
$18.5M
Ensign Peak Advisors
234
Ensign Peak Advisors
Utah
$18.1M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
235
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$17.9M
Daiwa Securities Group
236
Daiwa Securities Group
Japan
$17.7M
SA
237
Sanctuary Advisors
Indiana
$17.7M
CIBC Asset Management
238
CIBC Asset Management
Ontario, Canada
$17.6M
DSN
239
D. Scott Neal
Kentucky
$17.6M
CI
240
Capital International
California
$17.3M
ROC
241
Running Oak Capital
Minnesota
$17M
DCP
242
Distillate Capital Partners
Illinois
$16.9M
IGAM
243
iA Global Asset Management
Quebec, Canada
$16.4M
MIF
244
Mediolanum International Funds
Ireland
$16.3M
LF
245
Longbow Finance
Switzerland
$16.1M
ProShare Advisors
246
ProShare Advisors
Maryland
$15.9M
NCG
247
Newport Capital Group
New Jersey
$15.9M
BCM
248
Brookstone Capital Management
Illinois
$15.9M
Thrivent Financial for Lutherans
249
Thrivent Financial for Lutherans
Minnesota
$15.8M
RWM
250
Rench Wealth Management
Texas
$15.6M