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Arthur J. Gallagher & Co
AJG

Overview Fund Activity

1,340 hedge funds and large institutions have $77.2B invested in Arthur J. Gallagher & Co in 2025 Q1 according to their latest regulatory filings, with 175 funds opening new positions, 541 increasing their positions, 443 reducing their positions, and 120 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,340
Holders Change
+29
Holders Change %
+2.21%
% of All Funds
18.2%
Holding in Top 10
49
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-3.92%
% of All Funds
0.67%
New
175
Increased
541
Reduced
443
Closed
120
Calls
$167M
Puts
$64.3M
Net Calls
+$102M
Net Calls Change
+$14M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$1.66B
2
Capital World Investors
Capital World Investors
California
+$1.17B
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$611M
4
Capital Research Global Investors
Capital Research Global Investors
California
+$413M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$255M

Top Sellers

1
Capital International Investors
Capital International Investors
California
-$981M
2
Citadel Advisors
Citadel Advisors
Florida
-$819M
3
Jane Street
Jane Street
New York
-$621M
4
Winslow Capital Management
Winslow Capital Management
Minnesota
-$591M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$499M
Name Holding Trade Value Shares
Change 		Shares
Change %
LOAMS
476
Lombard Odier Asset Management (Switzerland)
Switzerland
$3.47M +$3.47M +10,064 New
AIMCA
477
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$3.47M +$3.47M +10,043 New
GCC
478
Game Creek Capital
Massachusetts
$3.45M -$173K -500 -5%
AIC
479
Anthracite Investment Company
Texas
$3.45M – – –
HWM
480
HB Wealth Management
Georgia
$3.45M +$1.11M +3,211 +47%
AA
481
Ancora Advisors
Ohio
$3.44M -$23.1K -67 -0.7%
TWM
482
Trueblood Wealth Management
Ohio
$3.39M +$154K +447 +5%
GT
483
Glenmede Trust
Pennsylvania
$3.36M -$37.3K -108 -1%
SF
484
Synovus Financial
Georgia
$3.33M -$990K -2,869 -23%
ALMGDA
485
AG2R La Mondiale Gestion d'Actifs
France
$3.24M +$3.24M +9,330 New
AWS
486
Atria Wealth Solutions
New York
$3.23M +$64.9K +188 +2%
DFCM
487
Dark Forest Capital Management
Puerto Rico
$3.22M +$3.22M +9,316 New
PS
488
Principal Securities
Iowa
$3.21M – – –
UB
489
UMB Bank
Missouri
$3.19M +$41.1K +119 +1%
PP
490
Prudential plc
United Kingdom
$3.18M +$1.65M +4,773 +107%
KIA
491
Knollwood Investment Advisory
Maryland
$3.18M – – –
RWM
492
Ritholtz Wealth Management
New York
$3.14M +$177K +514 +6%
MPA
493
Marvin & Palmer Associates
Delaware
$3.13M +$3.13M +9,066 New
LIM
494
Leavell Investment Management
Alabama
$3.11M +$43.8K +127 +1%
SC
495
Savant Capital
Illinois
$3.11M -$132K -382 -4%
FFA
496
Farther Finance Advisors
California
$2.99M -$247K -717 -8%
BAMF
497
BI Asset Management Fondsmaeglerselskab
Denmark
$2.94M -$1.38K -4 -0%
MFG
498
Merit Financial Group
Georgia
$2.93M +$185K +537 +7%
GAM
499
Generali Asset Management
Italy
$2.89M +$2.07M +5,982 +249%
HA
500
Harbor Advisors
Florida
$2.89M – – –
18 19
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