Marex Group Ltd
MRX- Exchange
- Nasdaq
- Industry
- Security & Commodity Brokers, Dealers, Exchanges & Services
- SEC CIK
- 0001997464
In the last 90 days, Marex Group Ltd insiders filed 0 open-market purchases and 6 sales; 222 institutions reported holding it in 13F filings for Q2 2026, worth $3.43B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Marex Group Ltd as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 206
- +19 vs. Q4 2025
- Shares held
- 52.5M
- +1.83M (+3.6%) vs. Q4 2025
- Total value
- $2.33B
- +$384.8M (+19.8%) vs. Q4 2025
- New holders
- 42
- 81 more added
- Sold out
- 23
- 58 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 222 | $3.43B |
| Q1 2026 | 206 | $2.33B |
| Q4 2025 | 192 | $1.96B |
| Q3 2025 | 191 | $1.72B |
| Q2 2025 | 194 | $2.00B |
| Q1 2025 | 123 | $969.1M |
| Q4 2024 | 106 | $830.2M |
| Q3 2024 | 71 | $396.8M |
| Q2 2024 | 60 | $294.8M |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Marex Group Ltd; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Samlyn Capital, LLC | 1,688,877 | $75.3M | 1.29% | +546,966+47.9% | Added |
| Price T Rowe Associates Inc | 1,906,029 | $85.0M | 0.01% | +357,392+23.1% | Added |
| Loomis Sayles & Co L P | 1,918,622 | $85.5M | 0.12% | −16,881−0.9% | Reduced |
| FMR LLC | 3,481,911 | $155.2M | 0.01% | +2,147,113+160.9% | Added |
| Capital International Investors | 3,488,093 | $155.5M | 0.04% | 00.0% | Unchanged |
| BlackRock, Inc. | 4,389,325 | $195.7M | 0.00% | +422,791+10.7% | Added |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −679,600−100.0% | Sold out |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −418,745−100.0% | Sold out |
| North Reef Capital Management LP | 0 | $0 | 0.00% | −190,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −82,779−100.0% | Sold out |
| FJ Capital Management LLC | 0 | $0 | 0.00% | −81,199−100.0% | Sold out |
| Main Street Financial Solutions, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −36,535−100.0% | Sold out |
| Sparta 24 Ltd. | 0 | $0 | 0.00% | −32,581−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −20,710−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −17,995−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −14,505−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −13,116−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −12,068−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −9,881−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −8,970−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −7,647−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −7,489−100.0% | Sold out |
| Transcendent Capital Group LLC | 0 | $0 | 0.00% | −6,661−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −6,363−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −6,116−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,731−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −1,135−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Militia Capital Partners, LP | – | – | – | – | Not filed |
| Janney Capital Management LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |