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Arthur J. Gallagher & Co

1,284 hedge funds and large institutions have $60.5B invested in Arthur J. Gallagher & Co in 2025 Q4 according to their latest regulatory filings, with 150 funds opening new positions, 391 increasing their positions, 564 reducing their positions, and 171 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

less funds holding

Funds holding:

less first-time investments, than exits

New positions opened: | Existing positions closed:

13% less capital invested

Capital invested by funds: $69.6B → $60.5B (-$9.1B)

31% less repeat investments, than reductions

Existing positions increased: 391 | Existing positions reduced: 564

31% less funds holding in top 10

Funds holding in top 10: 2618 (-8)

Holders
1,284
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$146M
Puts
$109M
Net Calls
Net Calls Change

Top Sellers

1 -$317M
2 -$242M
3 -$225M
4
Morgan Stanley
Morgan Stanley
New York
-$215M
5
DZ Bank
DZ Bank
Germany
-$206M
Name Holding Trade Value Shares
Change
Change in
Stake
LJAC
576
L.J. Altfest & Co
New York
$1.25M
Robeco Institutional Asset Management
577
Robeco Institutional Asset Management
Netherlands
$1.24M
VNIM
578
Vaughan Nelson Investment Management
Texas
$1.24M
VAS
579
Vestmark Advisory Solutions
Massachusetts
$1.23M
BTD
580
BankPlus Trust Department
Mississippi
$1.22M
MOS
581
MGO One Seven
Ohio
$1.22M
GC
582
Gilbert & Cook
Iowa
$1.22M
MAS
583
Meeder Advisory Services
Ohio
$1.21M
MYAM
584
Meiji Yasuda Asset Management
Japan
$1.2M
CRC
585
Curi RMB Capital
Illinois
$1.19M
PCM
586
Parsons Capital Management
Rhode Island
$1.18M
MNBTD
587
Moody National Bank Trust Division
Texas
$1.17M
HI
588
Horizon Investments
North Carolina
$1.16M
FT
589
Fiduciary Trust
Massachusetts
$1.16M
GC
590
Guggenheim Capital
Illinois
$1.15M
SDIC
591
South Dakota Investment Council
South Dakota
$1.15M
AWA
592
Arete Wealth Advisors
Illinois
$1.14M
SIA
593
Schear Investment Advisers
Ohio
$1.13M
Kovitz Investment Group Partners
594
Kovitz Investment Group Partners
Illinois
$1.13M
Renaissance Technologies
595
Renaissance Technologies
New York
$1.12M
TNBTD
596
Trustmark National Bank Trust Department
Mississippi
$1.11M
IAA
597
Independent Advisor Alliance
North Carolina
$1.11M
HIIFS
598
Harel Insurance Investments & Financial Services
Israel
$1.11M
GIA
599
Guyasuta Investment Advisors
Pennsylvania
$1.1M
LGA
600
Lebenthal Global Advisors
New York
$1.1M