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Arthur J. Gallagher & Co

1,368 hedge funds and large institutions have $72.7B invested in Arthur J. Gallagher & Co in 2025 Q2 according to their latest regulatory filings, with 137 funds opening new positions, 559 increasing their positions, 475 reducing their positions, and 103 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

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

more funds holding

Funds holding:

1.33% more ownership

Funds ownership: 87.64%88.97% (+1.3%)

6% less capital invested

Capital invested by funds: $77.3B → $72.7B (-$4.59B)

24% less funds holding in top 10

Funds holding in top 10: 4937 (-12)

Holders
1,368
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
37
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$164M
Puts
$148M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Robeco Institutional Asset Management
501
Robeco Institutional Asset Management
Netherlands
$3.17M
RWM
502
Ritholtz Wealth Management
New York
$3.15M
ALMGDA
503
AG2R La Mondiale Gestion d'Actifs
France
$3.11M
LOAMU
504
Lombard Odier Asset Management (USA)
New York
$3.06M
SF
505
Synovus Financial
Georgia
$3.06M
SC
506
Savant Capital
Illinois
$3.03M
AWM
507
Apollon Wealth Management
South Carolina
$3M
LIM
508
Leavell Investment Management
Alabama
$2.99M
Jane Street
509
Jane Street
New York
$2.99M
ONST
510
Old North State Trust
North Carolina
$2.98M
UB
511
UMB Bank
Missouri
$2.98M
KIA
512
Knollwood Investment Advisory
Maryland
$2.95M
HWM
513
HB Wealth Management
Georgia
$2.94M
QCM
514
Qsemble Capital Management
New York
$2.94M
QCM
515
QRG Capital Management
Illinois
$2.94M
LFM
516
LGT Fund Management
Liechtenstein
$2.93M
GIM
517
Glenmede Investment Management
Pennsylvania
$2.92M
Lido Advisors
518
Lido Advisors
California
$2.87M
ETC
519
Exchange Traded Concepts
Oklahoma
$2.86M
JF
520
Jump Financial
Illinois
$2.83M
HFO
521
Heritage Family Offices
Arizona
$2.73M
IMRF
522
Illinois Municipal Retirement Fund
Illinois
$2.69M
HA
523
Harbor Advisors
Florida
$2.68M
TMAM
524
Tokio Marine Asset Management
Japan
$2.67M
NMIMC
525
Northwestern Mutual Investment Management Company
Wisconsin
$2.62M