MRX

Marex Group
MRX

Overview Fund Activity

192 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, 63 increasing their positions, 31 reducing their positions, and 17 closing their positions.

Holders
192
Holders Change
+70
Holders Change %
+57.38%
% of All Funds
2.58%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
93
Increased
63
Reduced
31
Closed
17
Calls
$935K
Puts
$528K
Net Calls
+$407K
Net Calls Change
-$88K

Top Buyers

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

Top Sellers

1
S2L
1
Sparta 24 Ltd
Israel
$0
2
William Blair Investment Management
2
William Blair Investment Management
Illinois
$32M
3
Amundi
3
Amundi
France
$0
4
RA
4
Royce & Associates
New York
$37.8M
5
Arrowstreet Capital
5
Arrowstreet Capital
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Capital International Investors
1
Capital International Investors
California
$138M 3,488,093 +453,635 +15%
BlackRock
2
BlackRock
New York
$99.9M 2,530,560 +1,736,820 +219%
GIM
3
Granahan Investment Management
Massachusetts
$82M 2,077,153 -39,907 -2%
Loomis, Sayles & Company
4
Loomis, Sayles & Company
Massachusetts
$69.8M 1,767,432 +313,411 +22%
Invesco
5
Invesco
Georgia
$64.4M 1,630,571 +1,630,571 New
GPGA
6
Grandeur Peak Global Advisors
Utah
$58.8M 1,489,309 +194,133 +15%
Jennison Associates
7
Jennison Associates
New York
$56.4M 1,428,654 -136,549 -9%
AllianceBernstein
8
AllianceBernstein
Tennessee
$52.9M 1,339,056 +1,339,056 New
Morgan Stanley
9
Morgan Stanley
New York
$50.4M 1,277,855 +276,843 +28%
Marshall Wace
10
Marshall Wace
United Kingdom
$49.7M 1,260,305 +916,209 +266%
Adage Capital Partners
11
Adage Capital Partners
Massachusetts
$42.6M 1,078,643 +894,934 +487%
Two Sigma Investments
12
Two Sigma Investments
New York
$41.8M 1,059,119 +403,527 +62%
JFG
13
Jefferies Financial Group
New York
$41M 1,038,967 +1,038,967 New
Millennium Management
14
Millennium Management
New York
$40.4M 1,024,477 +530,516 +107%
Citadel Advisors
15
Citadel Advisors
Florida
$38.7M 979,574 +808,545 +473%
RA
16
Royce & Associates
New York
$37.8M 958,934 -496,275 -34%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$36.1M 915,100 +267,700 +41%
Ameriprise
18
Ameriprise
Minnesota
$33.6M 852,308 +852,308 New
TIM
19
Thornburg Investment Management
New Mexico
$32.5M 822,730 +135,057 +20%
William Blair Investment Management
20
William Blair Investment Management
Illinois
$32M 810,791 -865,568 -52%
Principal Financial Group
21
Principal Financial Group
Iowa
$31.1M 789,197 +335,218 +74%
JPMorgan Chase & Co
22
JPMorgan Chase & Co
New York
$30.7M 777,615 +400,842 +106%
DCM
23
Driehaus Capital Management
Illinois
$29.7M 753,652 +753,652 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
24
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$28.4M 720,000 +420,000 +140%
Allspring Global Investments
25
Allspring Global Investments
North Carolina
$27.3M 696,836 -14,537 -2%
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