MRX

Marex Group
MRX

Overview Fund Activity

194 hedge funds and large institutions have $2B invested in Marex Group in 2025 Q2 according to their latest regulatory filings, with 93 funds opening new positions, 65 increasing their positions, 31 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
194
Holders Change
+72
Holders Change %
+59.02%
% of All Funds
2.6%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
93
Increased
65
Reduced
31
Closed
17
Calls
$1.36M
Puts
$934K
Net Calls
+$427K
Net Calls Change
-$68K

Top Buyers

1
BlackRock
BlackRock
New York
$99.9M
2
Invesco
Invesco
Georgia
$64.4M
3
AllianceBernstein
AllianceBernstein
Tennessee
$52.9M
4
JFG
Jefferies Financial Group
New York
$41M
5
Marshall Wace
Marshall Wace
United Kingdom
$49.7M

Top Sellers

1
S2L
Sparta 24 Ltd
Israel
$0
2
William Blair Investment Management
William Blair Investment Management
Illinois
$32M
3
Amundi
Amundi
France
$0
4
RA
Royce & Associates
New York
$37.8M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
ZP
51
Zimmer Partners
New York
$11.8M +$11.8M +300,000 New
SEI Investments
52
SEI Investments
Pennsylvania
$11.7M +$10.2M +258,720 +699%
Manulife (Manufacturers Life Insurance)
53
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$11.7M +$11.7M +295,356 New
Lord, Abbett & Co
54
Lord, Abbett & Co
New Jersey
$11M -$1.77M -44,890 -14%
Bank of New York Mellon
55
Bank of New York Mellon
New York
$10.3M +$10.3M +261,956 New
JF
56
Jump Financial
Illinois
$9.68M +$9.36M +237,062 +2,856%
GCM
57
Ghisallo Capital Management
Massachusetts
$8.71M +$7.72M +195,600 +782%
Russell Investments Group
58
Russell Investments Group
United Kingdom
$8.58M -$3.52M -89,150 -29%
Vanguard Group
59
Vanguard Group
Pennsylvania
$8.53M +$8.53M +216,000 New
NL
60
Nuveen LLC
North Carolina
$8.02M +$2.6M +65,780 +48%
UBS Group
61
UBS Group
Switzerland
$7.93M +$6M +151,995 +311%
RG
62
Renaissance Group
Kentucky
$7.71M -$1.74M -44,092 -18%
Northern Trust
63
Northern Trust
Illinois
$7.16M +$7.16M +181,469 New
MAP
64
Moody Aldrich Partners
Massachusetts
$6.87M +$2M +50,668 +41%
EGM
65
Engineers Gate Manager
New York
$6.51M +$5.38M +136,242 +475%
Fidelity Investments
66
Fidelity Investments
Massachusetts
$6.08M +$6.08M +154,106 New
MNBTD
67
Moody National Bank Trust Division
Texas
$5.92M +$167K +4,222 +3%
State of Wisconsin Investment Board
68
State of Wisconsin Investment Board
Wisconsin
$5.84M – – –
JG
69
Jain Global
New York
$5.81M +$5.81M +147,180 New
QT
70
Quantbot Technologies
New York
$5.41M +$3.26M +82,549 +152%
SFM
71
Soros Fund Management
New York
$4.91M +$4.91M +124,476 New
TC
72
TwinBeech Capital
New York
$4.86M +$4.86M +123,146 New
State of Tennessee, Department of Treasury
73
State of Tennessee, Department of Treasury
Tennessee
$4.62M -$700K -17,736 -13%
Robeco Institutional Asset Management
74
Robeco Institutional Asset Management
Netherlands
$3.78M +$3.78M +95,754 New
Wells Fargo
75
Wells Fargo
California
$3.61M +$2.85M +72,236 +375%
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