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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 177 funds opening new positions, 539 increasing their positions, 443 reducing their positions, and 120 closing their positions.

Holders
1,340
Holders Change
+31
Holders Change %
+2.37%
% of All Funds
18.21%
Holding in Top 10
49
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-3.92%
% of All Funds
0.67%
New
177
Increased
539
Reduced
443
Closed
120
Calls
$167M
Puts
$64.3M
Net Calls
+$102M
Net Calls Change
+$14M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$6B
2
Capital World Investors
2
Capital World Investors
California
$4B
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$4.74B
4
Capital Research Global Investors
4
Capital Research Global Investors
California
$505M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$10.5B

Top Sellers

1
Capital International Investors
1
Capital International Investors
California
$2.49B
2
Citadel Advisors
2
Citadel Advisors
Florida
$11.2M
3
Jane Street
3
Jane Street
New York
$19.9M
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$284M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Artisan Partners
76
Artisan Partners
Wisconsin
$136M +$11.1M +32,218 +9%
RFC
77
Regions Financial Corp
Alabama
$134M -$3.13M -9,075 -2%
SEI Investments
78
SEI Investments
Pennsylvania
$134M -$123M -355,412 -48%
Natixis Advisors
79
Natixis Advisors
Massachusetts
$134M +$7.74M +22,422 +6%
Nomura Asset Management
80
Nomura Asset Management
Japan
$131M +$19.3M +55,893 +17%
FAM
81
Fenimore Asset Management
New York
$127M -$12.8M -37,098 -9%
BNP Paribas Financial Markets
82
BNP Paribas Financial Markets
France
$121M -$58.7M -170,078 -33%
California State Teachers Retirement System (CalSTRS)
83
California State Teachers Retirement System (CalSTRS)
California
$121M -$157K -455 -0.1%
Credit Agricole
84
Credit Agricole
France
$118M +$105M +304,990 +830%
Universal-Beteiligungs- und Servicegesellschaft
85
Universal-Beteiligungs- und Servicegesellschaft
Germany
$116M +$7.8M +22,581 +7%
Westfield Capital Management
86
Westfield Capital Management
Massachusetts
$112M -$7.46M -21,597 -6%
Renaissance Technologies
87
Renaissance Technologies
New York
$110M +$50.3M +145,800 +84%
CAM
88
Close Asset Management
United Kingdom
$106M -$29.4M -85,215 -22%
WF
89
Welch & Forbes
Massachusetts
$103M -$779K -2,255 -0.8%
ZIM
90
Zacks Investment Management
Illinois
$102M -$66.6M -192,928 -39%
American Century Companies
91
American Century Companies
Missouri
$102M +$95.3M +276,126 +1,449%
Adage Capital Partners
92
Adage Capital Partners
Massachusetts
$99.1M -$41.9M -121,300 -30%
CIBC Private Wealth Group
93
CIBC Private Wealth Group
Georgia
$95.1M +$58M +186,209 +156%
WFMPM
94
Woodley Farra Manion Portfolio Management
Indiana
$94.8M -$44.5K -129 -0%
Citigroup
95
Citigroup
New York
$92.6M +$42M +121,603 +83%
KCM
96
Kornitzer Capital Management
Kansas
$90.9M -$6.52M -18,891 -7%
Comerica Bank
97
Comerica Bank
Texas
$88.9M +$1.49M +4,323 +2%
Bank of Montreal
98
Bank of Montreal
Ontario, Canada
$85.4M -$11.6M -33,483 -12%
Marshall Wace
99
Marshall Wace
United Kingdom
$84.5M -$21.1M -61,223 -20%
Canada Life
100
Canada Life
Manitoba, Canada
$83.3M +$3.57M +10,323 +4%
2 3
4
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