Marex Group plc Ordinary Shares (MRX) Insider Trading

Over the last 3 months, MRX insiders made 0 open-market buys and 20 sales, a net sale of -$7.9M (SEC Form 4). Over the last 6 months, 166 institutions increased and 126 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
20
Net (3m)
-$7.9M
Insider trades by month Buys Sells
Dec
May
Aug
Apr
May
Jun
Context3-month price +58.1%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 16, 2026Tonucci Paoloofficer: See RemarksSell809$63.00
Jun 16, 2026Lowitt Ian Tdirector, officer: Chief Executive OfficerSell32,813$62.29
Jun 16, 2026Lowitt Ian Tdirector, officer: Chief Executive OfficerSell4,330$62.94
Jun 16, 2026Tonucci Paoloofficer: See RemarksSell1,658$61.74
Jun 16, 2026Tonucci Paoloofficer: See RemarksSell14,199$62.51
Jun 11, 2026Myers Linda KristinedirectorGrant2,070—
Jun 11, 2026Pickering Robert MarkdirectorGrant2,070—
Jun 11, 2026Assi GeorgesdirectorGrant2,070—
Jun 11, 2026Schweinitz Konstantin Graf vondirectorGrant2,070—
Jun 11, 2026Ing SarahdirectorGrant2,070—
Jun 11, 2026Pietrowicz John W.directorGrant2,070—
Jun 3, 2026Texier Thomasofficer: Group Head of ClearingSell269$53.98
Jun 3, 2026Texier Thomasofficer: Group Head of ClearingSell1,303$53.22
Jun 2, 2026Myers Linda KristinedirectorTax1,115$52.94
Jun 2, 2026Pietrowicz John W.directorTax558$52.94
Jun 2, 2026Ing SarahdirectorTax1,310$52.94
May 27, 2026Texier Thomasofficer: Group Head of ClearingTax19,640$54.45
May 27, 2026Tonucci Paoloofficer: See RemarksTax31,080$54.45
May 27, 2026Lowitt Ian Tdirector, officer: Chief Executive OfficerTax39,478$54.45
May 27, 2026Irvin Robdirector, officer: Chief Financial OfficerTax3,358$54.45
May 27, 2026Van Den Born Simonofficer: PresidentTax43,712$54.45
May 27, 2026Jethwa Nileshofficer: CEO, Marex SolutionsTax39,661$54.45
May 13, 2026Tonucci Paoloofficer: See RemarksSell10,934$55.72
May 13, 2026Tonucci Paoloofficer: See RemarksSell5,734$56.31
May 5, 2026Texier Thomasofficer: Group Head of ClearingSell11,821$52.87
May 5, 2026Texier Thomasofficer: Group Head of ClearingSell2,606$53.53
Apr 22, 2026Van Den Born Simonofficer: PresidentSell12,624$50.92
Apr 22, 2026Van Den Born Simonofficer: PresidentSell641$51.71
Apr 15, 2026Tonucci Paoloofficer: See RemarksSell6,760$50.60
Apr 15, 2026Tonucci Paoloofficer: See RemarksSell4,077$52.36

Source: MRX SEC Form 4 filings, latest Jun 16, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their MRX positions over the last 6 months (SEC Form 13F).

Increased
166
New positions
75
Reduced
126
Sold out
64
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased4.4MMay 13, 2026
BLACKROCK, INC.Increased4.0MFeb 12, 2026
CAPITAL INTERNATIONAL INVESTORSUnchanged3.5MMay 13, 2026
CAPITAL INTERNATIONAL INVESTORSUnchanged3.5MFeb 11, 2026
FMR LLCIncreased3.5MMay 15, 2026
LOOMIS SAYLES & CO L PIncreased1.9MFeb 12, 2026
LOOMIS SAYLES & CO L PReduced1.9MMay 14, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased1.9MMay 15, 2026
GRANDEUR PEAK GLOBAL ADVISORS, LLCIncreased1.8MFeb 13, 2026
ALLIANCEBERNSTEIN L.P.Increased1.8MFeb 17, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCIncreased1.7MFeb 9, 2026
ALLIANCEBERNSTEIN L.P.Reduced1.7MMay 15, 2026
SAMLYN CAPITAL, LLCIncreased1.7MMay 15, 2026
TWO SIGMA INVESTMENTS, LPIncreased1.7MMay 15, 2026
JENNISON ASSOCIATES LLCIncreased1.6MMay 6, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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