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MRX

Marex Group Limited Ordinary Shares

194 hedge funds and large institutions have $2B invested in Marex Group Limited Ordinary Shares in 2025 Q2 according to their latest regulatory filings, with 92 funds opening new positions, 66 increasing their positions, 31 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

441% more first-time investments, than exits

New positions opened: 92 | Existing positions closed: 17

113% more repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 31

68% more capital invested

Capital invested by funds: $1.19B → $2B (+$813M)

58% more funds holding

Funds holding: 123194 (+71)

46% more call options, than puts

Call options by funds: $1.36M | Put options by funds: $934K

31.72% more ownership

Funds ownership: 37.94%69.66% (+32%)

0% more funds holding in top 10

Funds holding in top 10: 44 (0)

Holders
194
Holders Change
+71
Holders Change %
+57.72%
% of All Funds
2.55%
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
92
Increased
66
Reduced
31
Closed
17
Calls
$1.36M
Puts
$934K
Net Calls
+$427K
Net Calls Change
-$68K
Name Holding Trade Value Shares
Change
Change in
Stake
Capital International Investors
1
Capital International Investors
California
$138M +$18.9M +453,635 +15%
BlackRock
2
BlackRock
New York
$99.9M +$72.3M +1,736,820 +219%
GIM
3
Granahan Investment Management
Massachusetts
$82M -$1.66M -39,907 -2%
Loomis, Sayles & Company
4
Loomis, Sayles & Company
Massachusetts
$69.8M +$13M +313,411 +22%
Invesco
5
Invesco
Georgia
$64.4M +$67.9M +1,630,571 New
GPGA
6
Grandeur Peak Global Advisors
Utah
$58.8M +$8.08M +194,133 +15%
Jennison Associates
7
Jennison Associates
New York
$56.4M -$5.68M -136,549 -9%
AllianceBernstein
8
AllianceBernstein
Tennessee
$52.9M +$55.7M +1,339,056 New
Morgan Stanley
9
Morgan Stanley
New York
$50.4M +$11.5M +276,843 +28%
Marshall Wace
10
Marshall Wace
United Kingdom
$49.7M +$38.1M +916,209 +266%
Adage Capital Partners
11
Adage Capital Partners
Massachusetts
$42.6M +$37.3M +894,934 +487%
Two Sigma Investments
12
Two Sigma Investments
New York
$41.8M +$16.8M +403,527 +62%
JFG
13
Jefferies Financial Group
New York
$41M +$43.3M +1,038,967 New
Millennium Management
14
Millennium Management
New York
$40.4M +$22.1M +530,516 +107%
Citadel Advisors
15
Citadel Advisors
Florida
$38.7M +$33.7M +808,545 +473%
RA
16
Royce & Associates
New York
$37.8M -$20.7M -496,275 -34%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$36.1M +$11.1M +267,700 +41%
Ameriprise
18
Ameriprise
Minnesota
$33.6M +$35.5M +852,308 New
TIM
19
Thornburg Investment Management
New Mexico
$32.5M +$5.62M +135,057 +20%
William Blair Investment Management
20
William Blair Investment Management
Illinois
$32M -$36M -865,568 -52%
Principal Financial Group
21
Principal Financial Group
Iowa
$31.1M +$14M +335,218 +74%
JP Morgan Chase
22
JP Morgan Chase
New York
$30.7M +$16.7M +400,842 +106%
DCM
23
Driehaus Capital Management
Illinois
$29.7M +$31.4M +753,652 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
24
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$28.4M +$17.5M +420,000 +140%
Allspring Global Investments
25
Allspring Global Investments
North Carolina
$27.3M -$605K -14,537 -2%

MRX Hedge Fund Activity: Q2 2025 in Review

194 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Marex Group Limited Ordinary Shares (MRX) for Q2 2025, worth a combined $2B — up 68% from $1.19B a quarter earlier.

Buyers outnumbered sellers: 92 funds opened new MRX positions and 17 closed out — a net gain of 75 holders — while 66 added to existing stakes and 31 trimmed.

The largest buyer was BlackRock, adding an estimated $72.3M. The largest seller was William Blair Investment Management, cutting an estimated $36M.

  • 194 institutional investors held Marex Group Limited Ordinary Shares (MRX) as of Q2 2025, up from 123 in Q1 2025.
  • Funds reported $2B of Marex Group Limited Ordinary Shares stock for Q2 2025, up 68% quarter-over-quarter.
  • 92 funds opened new Marex Group Limited Ordinary Shares positions in Q2 2025 and 17 closed out, a net change of +75 holders.
  • The largest Marex Group Limited Ordinary Shares buyer in Q2 2025 was BlackRock, an estimated $72.3M added.
  • The largest Marex Group Limited Ordinary Shares seller in Q2 2025 was William Blair Investment Management, an estimated $36M sold.

Based on aggregated 13F filings for Q2 2025.