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, Q3 2025
Institutional positions in Marex Group Ltd as of Sep 30, 2025. 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
- 191
- −2 vs. Q2 2025
- Shares held
- 51.3M
- +1.34M (+2.7%) vs. Q2 2025
- Total value
- $1.72B
- −$249.9M (−12.7%) vs. Q2 2025
- New holders
- 46
- 75 more added
- Sold out
- 48
- 59 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Marex Group Ltd; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −83,759−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −80,963−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −70,224−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −50,561−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −47,261−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −43,316−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −38,075−100.0% | Sold out |
| D.A. Davidson & Co. | 0 | $0 | 0.00% | −34,557−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −28,520−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −26,102−100.0% | Sold out |
| Longaeva Partners L.P. | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −23,694−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −22,800−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −20,533−100.0% | Sold out |
| Harbour Capital Advisors, LLC | 0 | $0 | 0.00% | −20,720−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −19,219−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −18,866−100.0% | Sold out |
| Polen Capital Management LLC | 0 | $0 | 0.00% | −18,523−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −14,970−100.0% | Sold out |
| Napa Wealth Management | 0 | $0 | 0.00% | −13,785−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −13,450−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −12,194−100.0% | Sold out |
| Options Solutions, LLC | 0 | $0 | 0.00% | −11,159−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −10,873−100.0% | Sold out |
| Csenge Advisory Group | 0 | $0 | 0.00% | −9,565−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −10,078−100.0% | Sold out |
| Limestone Investment Advisors LP | 0 | $0 | 0.00% | −7,600−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −7,387−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −7,023−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −5,200−100.0% | Sold out |
| Sandia Investment Management LP | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,888−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −3,239−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,943−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −475−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| Hoey Investments, Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |