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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
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
CIBC Asset Management
237
CIBC Asset Management
Ontario, Canada
$17.6M
DSN
238
D. Scott Neal
Kentucky
$17.6M
CI
239
Capital International
California
$17.3M
ROC
240
Running Oak Capital
Minnesota
$17M
DCP
241
Distillate Capital Partners
Illinois
$16.9M
IGAM
242
iA Global Asset Management
Quebec, Canada
$16.4M
MIF
243
Mediolanum International Funds
Ireland
$16.3M
LF
244
Longbow Finance
Switzerland
$16.1M
ProShare Advisors
245
ProShare Advisors
Maryland
$15.9M
NCG
246
Newport Capital Group
New Jersey
$15.9M
BCM
247
Brookstone Capital Management
Illinois
$15.9M
Thrivent Financial for Lutherans
248
Thrivent Financial for Lutherans
Minnesota
$15.8M
RWM
249
Rench Wealth Management
Texas
$15.6M
VMPIC
250
Varma Mutual Pension Insurance Co
Finland
$15.6M