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Arthur J. Gallagher & Co

1,358 hedge funds and large institutions have $79B invested in Arthur J. Gallagher & Co in 2025 Q1 according to their latest regulatory filings, with 177 funds opening new positions, 551 increasing their positions, 447 reducing their positions, and 121 closing their positions.

New
Increased
Maintained
Reduced
Closed

159% more call options, than puts

Call options by funds: $167M | Put options by funds: $64.3M

46% more first-time investments, than exits

New positions opened: 177 | Existing positions closed: 121

23% more repeat investments, than reductions

Existing positions increased: 551 | Existing positions reduced: 447

20% more capital invested

Capital invested by funds: $65.9B → $79B (+$13B)

3% more funds holding

Funds holding: 1,3241,358 (+34)

3.49% less ownership

Funds ownership: 93.04%89.55% (-3.5%)

4% less funds holding in top 10

Funds holding in top 10: 5149 (-2)

Holders
1,358
Holders Change
+34
Holders Change %
+2.57%
% 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
0.66%
New
177
Increased
551
Reduced
447
Closed
121
Calls
$167M
Puts
$64.3M
Net Calls
+$102M
Net Calls Change
+$14M
Name Holding Trade Value Shares
Change
Change in
Stake
DCP
76
DSM Capital Partners
Florida
$137M +$125M +395,566 New
Artisan Partners
77
Artisan Partners
Wisconsin
$136M +$10.2M +32,218 +9%
RFC
78
Regions Financial Corp
Alabama
$134M -$2.87M -9,075 -2%
SEI Investments
79
SEI Investments
Pennsylvania
$134M -$112M -355,412 -48%
Natixis Advisors
80
Natixis Advisors
Massachusetts
$134M +$7.08M +22,422 +6%
Nomura Asset Management
81
Nomura Asset Management
Japan
$131M +$17.7M +55,893 +17%
FAM
82
Fenimore Asset Management
New York
$127M -$11.7M -37,098 -9%
BNP Paribas Financial Markets
83
BNP Paribas Financial Markets
France
$121M -$53.7M -170,078 -33%
California State Teachers Retirement System (CalSTRS)
84
California State Teachers Retirement System (CalSTRS)
California
$121M -$144K -455 -0.1%
Credit Agricole
85
Credit Agricole
France
$118M +$96.3M +304,990 +830%
Universal-Beteiligungs- und Servicegesellschaft
86
Universal-Beteiligungs- und Servicegesellschaft
Germany
$116M +$7.13M +22,581 +7%
Westfield Capital Management
87
Westfield Capital Management
Massachusetts
$112M -$6.82M -21,597 -6%
Renaissance Technologies
88
Renaissance Technologies
New York
$110M +$46.1M +145,800 +84%
CAM
89
Close Asset Management
United Kingdom
$106M -$26.9M -85,215 -22%
WF
90
Welch & Forbes
Massachusetts
$103M -$712K -2,255 -0.8%
ZIM
91
Zacks Investment Management
Illinois
$102M -$60.9M -192,928 -39%
American Century Companies
92
American Century Companies
Missouri
$102M +$87.2M +276,126 +1,449%
Adage Capital Partners
93
Adage Capital Partners
Massachusetts
$99.1M -$38.3M -121,300 -30%
CIBC Private Wealth Group
94
CIBC Private Wealth Group
Georgia
$95.1M +$58.8M +186,209 +156%
WFMPM
95
Woodley Farra Manion Portfolio Management
Indiana
$94.8M -$40.7K -129 -0%
Citigroup
96
Citigroup
New York
$92.6M +$38.4M +121,603 +83%
KCM
97
Kornitzer Capital Management
Kansas
$90.9M -$5.97M -18,891 -7%
Comerica Bank
98
Comerica Bank
Texas
$88.9M +$1.37M +4,323 +2%
Bank of Montreal
99
Bank of Montreal
Ontario, Canada
$85.4M -$10.6M -33,483 -12%
Marshall Wace
100
Marshall Wace
United Kingdom
$84.5M -$19.3M -61,223 -20%

AJG Hedge Fund Activity: Q1 2025 in Review

1,358 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Arthur J. Gallagher & Co (AJG) for Q1 2025, worth a combined $79B — up 20% from $65.9B a quarter earlier.

Buyers outnumbered sellers: 177 funds opened new AJG positions and 121 closed out — a net gain of 56 holders — while 551 added to existing stakes and 447 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $1.52B. The largest seller was Capital International Investors, cutting an estimated $898M.

  • 1,358 institutional investors held Arthur J. Gallagher & Co (AJG) as of Q1 2025, up from 1,324 in Q4 2024.
  • Funds reported $79B of Arthur J. Gallagher & Co stock for Q1 2025, up 20% quarter-over-quarter.
  • 177 funds opened new Arthur J. Gallagher & Co positions in Q1 2025 and 121 closed out, a net change of +56 holders.
  • The largest Arthur J. Gallagher & Co buyer in Q1 2025 was JP Morgan Chase, an estimated $1.52B added.
  • The largest Arthur J. Gallagher & Co seller in Q1 2025 was Capital International Investors, an estimated $898M sold.

Based on aggregated 13F filings for Q1 2025.