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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
MIM
1376
Monashee Investment Management
Massachusetts
-$19.9M -70,000 Closed
IP
1377
Interval Partners
New York
-$18.6M -65,623 Closed
CM
1378
Crestline Management
Texas
-$13.2M -46,379 Closed
CFM
1379
Catalyst Funds Management
Australia
-$11.4M -40,000 Closed
PAS
1380
Park Avenue Securities
New York
-$9.86M -34,738 Closed
BCPE
1381
Bain Capital Public Equity
Massachusetts
-$9.04M -31,836 Closed
KCM
1382
Kingdon Capital Management
New York
-$8.52M -30,000 Closed
SC
1383
Sculptor Capital
New York
-$7.47M -26,300 Closed
ACM
1384
Aquatic Capital Management
Illinois
-$7.43M -26,163 Closed
TC
1385
TwinBeech Capital
New York
-$7.26M -25,592 Closed
DCM
1386
Discovery Capital Management
Connecticut
-$7.1M -25,000 Closed
SGM
1387
Seven Grand Managers
New York
-$7.1M -25,000 Closed
PE
1388
Point72 Europe
United Kingdom
-$5.73M -20,200 Closed
FHB
1389
First Hawaiian Bank
Hawaii
-$5.71M -20,120 Closed
WAM
1390
Weiss Asset Management
Massachusetts
-$5.68M -20,000 Closed
EMPI
1391
Elo Mutual Pension Insurance
Finland
-$5.68M -19,995 Closed
ECM
1392
ExodusPoint Capital Management
New York
-$5.1M -17,968 Closed
WC
1393
Wexford Capital
Florida
-$4.74M -16,693 Closed
JAM
1394
Jupiter Asset Management
United Kingdom
-$4.65M -16,393 Closed
WG
1395
Winton Group
United Kingdom
-$4.44M -15,629 Closed
FIG
1396
Fortress Investment Group
New York
-$4.26M -15,000 Closed
DS
1397
DRW Securities
Illinois
-$3.75M -13,228 Closed
PP
1398
PDT Partners
New York
-$3.56M -12,550 Closed
SW
1399
SVB Wealth
Massachusetts
-$2.5M -8,810 Closed
CFGS
1400
Concourse Financial Group Securities
Alabama
-$2.24M -7,619 Closed

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.