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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.

Q3 2025 vs. Q2 2025

How the institutions holding Marex Group Ltd changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of MRX: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders1941191−2
Shares50.7M687.0K51.3M+1.34M (+2.7%)
Value$2.00B$27.1M$1.72B−$249.9M (−12.7%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (46)

Institutions that held Marex Group Ltd at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to MRX in Q3 2025
InstitutionSharesValue% of portfolio
Man Group plc615,438$20.7M0.04%
Praetorian PR LLC400,000$13.4M8.15%
Globeflex Capital L P209,667$7.05M1.09%
Creative Planning120,661$4.06M0.00%
Trexquant Investment LP102,602$3.45M0.04%
Aquatic Capital Management LLC95,749$3.22M0.06%
Marex Group plc61,172$2.06M0.03%
North Reef Capital Management LP52,191$1.75M0.08%
Main Street Financial Solutions, LLC45,000$1.51M0.10%
Dark Forest Capital Management LP44,888$1.51M0.06%
Federated Hermes, Inc.44,372$1.49M0.00%
Teachers Retirement System of the State of Kentucky39,234$1.32M0.01%
Credit Agricole S A26,626$895.2K0.00%
PEAK6 LLC26,354$886.0K0.02%
Picton Mahoney Asset Management22,845$768.0K0.01%
Mariner, LLC22,616$760.4K0.00%
Daiwa Securities Group Inc.21,271$715.0K0.00%
Counterpoint Mutual Funds LLC14,760$496.2K0.04%
Fred Alger Management, LLC12,400$416.9K0.00%
R Squared Ltd10,839$364.4K0.16%
CIBC World Markets Inc.10,531$354.1K0.00%
RSM US Wealth Management LLC10,468$351.9K0.00%
Capstone Investment Advisors, LLC10,450$351.3K0.00%
AQR Capital Management LLC8,408$282.7K0.00%
Navellier & Associates Inc7,655$257.4K0.03%
Sumitomo Mitsui Trust Holdings, Inc.7,183$241.5K0.00%
Aster Capital Management (DIFC) Ltd2,208$74.2K0.04%
Farther Finance Advisors, LLC1,320$44.4K0.00%
Rockefeller Capital Management L.P.1,280$43.1K0.00%
CWM, LLC1,226$41.0K0.00%
Harbor Capital Advisors, Inc.371$12.0K0.00%
Stone House Investment Management, LLC311$10.5K0.00%
Proffitt & Goodson Inc250$8.40K0.00%
Quadrant Capital Group LLC215$7.23K0.00%
Ameritas Advisory Services, LLC100$3.36K0.00%
SRS Capital Advisors, Inc.95$3.19K0.00%
GAMMA Investing LLC91$3.06K0.00%
Allworth Financial LP88$2.96K0.00%
Federation des caisses Desjardins du Quebec60$2.02K0.00%
True Wealth Design, LLC35$1.18K0.00%
Montag A & Associates Inc27$9080.00%
Essential Partners LLC19$6390.00%
Umb Bank N A18$6050.00%
Advisory Services Network, LLC7$2350.00%
IFP Advisors, Inc2$670.00%
EverSource Wealth Advisors, LLC2$670.00%

Sold out (48)

Institutions that held Marex Group Ltd at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of MRX in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Driehaus Capital Management LLC753,652$29.7M
Victory Capital Management Inc617,355$24.4M
WCM Investment Management, LLC448,113$17.9M
Fortress Investment Group LLC400,000$15.8M
D. E. Shaw & Co., Inc.337,193$13.3M
Zimmer Partners, LP300,000$11.8M
Ghisallo Capital Management LLC220,600$8.71M
Soros Fund Management LLCSuperinvestorSoros Fund Management124,476$4.91M
Monashee Investment Management LLC90,000$3.55M
Portolan Capital Management, LLC83,759$3.31M
Susquehanna International Group, LLP80,963$3.20M
Freestone Grove Partners LP75,000$2.96M
Lazard Asset Management LLC70,224$2.77M
EAM Global Investors LLC50,561$2.00M
Quadrature Capital Ltd47,261$1.86M
State of New Jersey Common Pension Fund D43,316$1.71M
Calamos Advisors LLC38,075$1.50M
D.A. Davidson & Co.34,557$1.36M
Neo Ivy Capital Management28,520$1.13M
Gsa Capital Partners LLP26,102$1.03M
Longaeva Partners L.P.25,000$986.8K
EAM Investors, LLC23,694$935.2K
Polar Asset Management Partners Inc.22,800$899.9K
Occudo Quantitative Strategies LP20,533$810.4K
Harbour Capital Advisors, LLC20,720$806.0K
Aigen Investment Management, LP19,219$758.6K
Scientech Research LLC18,866$744.6K
Polen Capital Management LLC18,523$731.1K
Spire Wealth Management14,970$590.9K
Napa Wealth Management13,785$544.1K
Yorktown Management & Research Co Inc13,450$530.9K
Magnetar Financial LLC12,194$481.3K
Options Solutions, LLC11,159$440.4K
Fox Run Management, L.L.C.10,873$429.2K
Csenge Advisory Group9,565$412.8K
Petrus Trust Company, LTA10,078$397.8K
Limestone Investment Advisors LP7,600$300.0K
Virtu Financial LLC7,387$292.0K
LPL Financial LLC7,023$277.2K
Nomura Holdings Inc5,200$205.2K
Sandia Investment Management LP5,000$197.3K
Simplex Trading, LLC3,888$153.0K
NBC Securities, Inc.3,239$127.0K
Group One Trading, L.P.2,943$116.2K
Hughes Financial Services, LLC475$16.6K
Riggs Asset Managment Co. Inc.63$2.49K
Hoey Investments, Inc50$1.97K
Rothschild Investment LLC20$789

Not filed for Q3 2025 yet (1)

Institutions that held Marex Group Ltd at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MRX in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank687,000$27.1M