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Marex Group plc (MRX) Institutional Ownership & Insider Trading

220 institutions reported holding Marex Group plc shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 40 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · read by EquiReason

MRXMarex Group plcFollow MRX — free
Capital Markets · Financials
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Price chart with a free account
Market cap
5.1B
Annual P/E
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Dividend yield
1.1%
52-week
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Next earnings
5 Nov, in 12 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

220 institutions held 78.0% of the shares. Across filers that reported both quarters, shares held changed +7.4%.

Increased+86New+52Decreased-53Closed-33

Largest moves, shares (millions)

T. Rowe Price Associates+3.0MFMR+1.9MWasatch Advisors+1.5MGrandeur Peak Global…-1.3MArtisan Partners Limited…-1.2MJennison Associates-1.0M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
+1.9Sep 24+9.7Dec 24+0.1Mar 25+22.6Jun 25+1.5Sep 25-1.1Dec 25+2.0Mar 26+3.9Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 2622057+7.4%86525333
Mar 2620552+4.0%75375321
Dec 2519151-2.2%71386037
Sep 2518752+3.0%74395744
Jun 2519451+85.0%64873013
Mar 2512027+0.3%39283418
Dec 2410627+57.8%4140176
Sep 247017+13.9%19251713

Marex Group plc — questions

Who owns Marex Group plc stock?
220 institutions reported Marex Group plc shares in 13F filings for the quarter ended 2026-06-30. The largest: FMR LLC (7.4%), PRICE T ROWE ASSOCIATES INC /MD/ (6.8%), BlackRock, Inc. (6.3%).
Are Marex Group plc insiders buying or selling?
40 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Marex Group plc's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.