Marex Group Limited Ordinary Shares (MRX) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for MRX. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 218 institutions reported holding MRX, with 56.9 million shares worth $3.4 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
FMR5,368,485$327MINCREASED
T. Rowe Price5,308,820$324MINCREASED
BlackRock4,594,149$280MINCREASED
Capital Group3,264,364$199MDECREASED
Alliancebernstein2,600,436$116MINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Simon Van Den Born (President)SELL1,260$92K2026-10-12
Simon Van Den Born (President)SELL14,012$1M2026-10-12
Paolo Tonucci (Chief Strategist and CEO, Capital Markets)SELL1,160$84K2026-10-12
Paolo Tonucci (Chief Strategist and CEO, Capital Markets)SELL15,506$1M2026-10-12
Paolo Tonucci (Chief Strategist and CEO, Capital Markets)SELL2,952$211K2026-09-14

Full institutional holdings, insider history, and congressional trades for Marex Group Limited Ordinary Shares on SentiSense.