Marex Group Limited Ordinary Shares
123 hedge funds and large institutions have $969M invested in Marex Group Limited Ordinary Shares in 2025 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 39 increasing their positions, 38 reducing their positions, and 18 closing their positions.
105% more call options, than puts
Call options by funds: $968K | Put options by funds: $473K
94% more first-time investments, than exits
New positions opened: 35 | Existing positions closed: 18
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
17% more capital invested
Capital invested by funds: $830M → $969M (+$139M)
16% more funds holding
Funds holding: 106 → 123 (+17)
3% more repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 38
0.14% more ownership
Funds ownership: 37.8% → 37.94% (+0.14%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
+$50.6M |
| 2 |
TIM
Thornburg Investment Management
Santa Fe,
New Mexico
|
+$23.9M |
| 3 |
Capital International Investors
Los Angeles,
California
|
+$15.2M |
| 4 |
Two Sigma Advisers
New York
|
+$7.71M |
| 5 |
GPGA
Grandeur Peak Global Advisors
Salt Lake City,
Utah
|
+$7.26M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
William Blair Investment Management
Chicago,
Illinois
|
-$28.8M |
| 2 |
Jennison Associates
New York
|
-$17.4M |
| 3 |
SC
Samlyn Capital
New York
|
-$10.1M |
| 4 |
Adage Capital Partners
Boston,
Massachusetts
|
-$9.28M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$9.02M |
MRX Hedge Fund Activity: Q1 2025 in Review
123 of the 7,473 institutional investors tracked by Wall St. Rank reported a position in Marex Group Limited Ordinary Shares (MRX) for Q1 2025, worth a combined $969M — up 17% from $830M a quarter earlier.
Buyers outnumbered sellers: 35 funds opened new MRX positions and 18 closed out — a net gain of 17 holders — while 39 added to existing stakes and 38 trimmed.
The largest buyer was Loomis, Sayles & Company, opening a new position worth an estimated $50.6M. The largest seller was William Blair Investment Management, cutting an estimated $28.8M.
- 123 institutional investors held Marex Group Limited Ordinary Shares (MRX) as of Q1 2025, up from 106 in Q4 2024.
- Funds reported $969M of Marex Group Limited Ordinary Shares stock for Q1 2025, up 17% quarter-over-quarter.
- 35 funds opened new Marex Group Limited Ordinary Shares positions in Q1 2025 and 18 closed out, a net change of +17 holders.
- The largest Marex Group Limited Ordinary Shares buyer in Q1 2025 was Loomis, Sayles & Company, an estimated $50.6M added.
- The largest Marex Group Limited Ordinary Shares seller in Q1 2025 was William Blair Investment Management, an estimated $28.8M sold.
Based on aggregated 13F filings for Q1 2025.