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MRX

Marex Group Limited Ordinary Shares

191 hedge funds and large institutions have $1.72B invested in Marex Group Limited Ordinary Shares in 2025 Q3 according to their latest regulatory filings, with 46 funds opening new positions, 75 increasing their positions, 59 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed

140% more call options, than puts

Call options by funds: $8.51M | Put options by funds: $3.55M

27% more repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 59

0.9% more ownership

Funds ownership: 69.66%70.56% (+0.9%)

6% less first-time investments, than exits

New positions opened: 46 | Existing positions closed: 49

2% less funds holding

Funds holding: 194191 (-3)

14% less capital invested

Capital invested by funds: $2B → $1.72B (-$277M)

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
191
Holders Change
-3
Holders Change %
-1.55%
% of All Funds
2.51%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
46
Increased
75
Reduced
59
Closed
49
Calls
$8.51M
Puts
$3.55M
Net Calls
+$4.96M
Net Calls Change
+$4.53M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$125M +$42.8M +1,185,120 +47%
Capital International Investors
2
Capital International Investors
California
$117M
Loomis, Sayles & Company
3
Loomis, Sayles & Company
Massachusetts
$60.1M +$698K +19,335 +1%
GPGA
4
Grandeur Peak Global Advisors
Utah
$59M +$9.55M +264,512 +18%
AllianceBernstein
5
AllianceBernstein
Tennessee
$52.4M +$7.94M +219,870 +16%
Jennison Associates
6
Jennison Associates
New York
$48.9M +$907K +25,124 +2%
RA
7
Royce & Associates
New York
$47.7M +$16.6M +459,998 +48%
Adage Capital Partners
8
Adage Capital Partners
Massachusetts
$44.8M +$9.17M +253,857 +24%
Invesco
9
Invesco
Georgia
$40.8M -$15.1M -417,854 -26%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$40.7M +$43.2M +1,195,294 +7,518%
Balyasny Asset Management
11
Balyasny Asset Management
Illinois
$40.4M +$24.5M +677,695 +129%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
12
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$36.1M +$12.8M +354,200 +49%
GIM
13
Granahan Investment Management
Massachusetts
$35.5M -$36.9M -1,022,199 -49%
TIM
14
Thornburg Investment Management
New Mexico
$35.3M +$8.18M +226,621 +28%
Qube Research & Technologies (QRT)
15
Qube Research & Technologies (QRT)
United Kingdom
$34.9M +$14M +387,086 +59%
JFG
16
Jefferies Financial Group
New York
$33.6M -$1.41M -38,967 -4%
Two Sigma Investments
17
Two Sigma Investments
New York
$31.4M -$4.51M -124,898 -12%
Ameriprise
18
Ameriprise
Minnesota
$29.4M +$761K +21,070 +2%
Two Sigma Advisers
19
Two Sigma Advisers
New York
$27M -$4.02M -111,200 -12%
SC
20
Samlyn Capital
New York
$26.8M +$11.2M +311,380 +64%
State Street
21
State Street
Massachusetts
$26.7M +$13.8M +382,512 +93%
Morgan Stanley
22
Morgan Stanley
New York
$26.7M -$17.5M -485,145 -38%
Fidelity Investments
23
Fidelity Investments
Massachusetts
$25.4M +$21.8M +602,280 +391%
JP Morgan Chase
24
JP Morgan Chase
New York
$25M -$1.18M -32,694 -4%
Allspring Global Investments
25
Allspring Global Investments
North Carolina
$25M +$4.28M +118,470 +17%

MRX Hedge Fund Activity: Q3 2025 in Review

191 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Marex Group Limited Ordinary Shares (MRX) for Q3 2025, worth a combined $1.72B — down 14% from $2B a quarter earlier.

Sellers outnumbered buyers: 49 funds closed out of MRX and 46 opened new positions — a net loss of 3 holders — while 59 trimmed existing stakes and 75 added.

The largest buyer was T. Rowe Price Associates, adding an estimated $43.2M. The largest seller was Granahan Investment Management, cutting an estimated $36.9M.

  • 191 institutional investors held Marex Group Limited Ordinary Shares (MRX) as of Q3 2025, down from 194 in Q2 2025.
  • Funds reported $1.72B of Marex Group Limited Ordinary Shares stock for Q3 2025, down 14% quarter-over-quarter.
  • 46 funds opened new Marex Group Limited Ordinary Shares positions in Q3 2025 and 49 closed out, a net change of -3 holders.
  • The largest Marex Group Limited Ordinary Shares buyer in Q3 2025 was T. Rowe Price Associates, an estimated $43.2M added.
  • The largest Marex Group Limited Ordinary Shares seller in Q3 2025 was Granahan Investment Management, an estimated $36.9M sold.

Based on aggregated 13F filings for Q3 2025.