NasdaqFinancialsSecurity & Commodity Brokers, Dealers, Exchanges & ServicesHAMILTON, Bermuda

Marex Group Limited MRX

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Estimated market cap $5.16B72.94M shares, shares as of Dec 31, 2025CIK 1997464

Insider trades, 12 mo

0 buys · 44 sells

$17.51M sold, open market

Congress trades, 24 mo

—

No disclosed trades

13F holders, Q3 2026

167

2 added · 1 trimmed

13F holders

…

Lobbying, 12 mo

—

No lobbying filings

Federal contracts, 12 mo

—

None matched

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Latest 10-Q

What changed in Marex Group Limited's latest quarterly report, compared with the one before.

We have not read a recent 10-Q for this company yet.

Insider trades

44 in 12 mo

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

Recent insider trades

Paolo Tonucci See Remarks	Nov 9 Form 4 ↗	Sale 10b5-1 plan	−$188.2K 2,712 sh @ $69.41	+3.9%
Paolo Tonucci See Remarks	Nov 9 Form 4 ↗	Sale 10b5-1 plan	−$739.6K 10,760 sh @ $68.74	+3.9%
Paolo Tonucci See Remarks	Nov 9 Form 4 ↗	Sale 10b5-1 plan	−$217.0K 3,196 sh @ $67.89	+3.9%
Simon Van Den Born President	Nov 5 Form 4 ↗	Sale 10b5-1 plan	−$15.3K 221 sh @ $69.36	+6.0%
Simon Van Den Born President	Nov 5 Form 4 ↗	Sale 10b5-1 plan	−$213.0K 3,101 sh @ $68.70	+6.0%

All MRX insider trades →Planned sales (Form 144): see notices

Insider trades

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

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13F holders

39.42M shares

167 funds report MRX. Values checked against market prices.

Funds own 0.5% of shares (Q2 2026)

7 funds hold the stock.

Q3 2026: 54% · 5,560 of ~8,900 funds reported so far

Q2 20260.5%
Q3 2026 (so far)54%

Q3 2026. 161 new, 2 added to, 1 trimmed, 3 exited since Q2 2026.

Top 13F holders
#
1	FMR LLC 13F ↗	6.37M	$444.6M	New
2	BlackRock, Inc. 13F ↗	4.52M	$315.2M	New
3	Capital International Investors 13F ↗	3.03M	$211.7M	New
4	American Century Companies Inc 13F ↗	1.72M	$119.7M	New
5	Invesco Ltd. 13F ↗	1.71M	$119.2M	New
6	Loomis Sayles & Co LP 13F ↗	1.52M	$106.2M	New
7	Healthcare of Ontario Pension Plan Trust Fund 13F ↗	1.31M	$91.6M	New
8	Artisan Partners Limited Partnership 13F ↗	1.28M	$89.4M	New
9	Victory Capital Management Inc 13F ↗	1.27M	$88.7M	New
10	Westfield Capital Management Co LP 13F ↗	1.17M	$81.6M	New

Download CSV Every fund that holds MRX, not only these ten. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

13F holders

Funds that report this stock, checked against market prices.

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Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

No recent congressional trades for this company.

Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

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Lobbying

What Marex Group Limited and its lobbying firms report each quarter.

No recent lobbying filings for this company.

Lobbying

What Marex Group Limited and its lobbying firms report each quarter.

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Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

Funds holding the stock

Shares they report

Funds holding the stock by quarter

Q2 2026	7	—	352,625	$21.6M
Q3 2026	167	+160	39.42M	$2.8B

Each point is a quarter-end, from Q2 2026 to Q3 2026. A fund's 13F lists its long positions in US-listed securities as of the last day of the quarter and arrives up to 45 days later, so each point shows holdings at quarter-end, not on the day they were reported.

Common shares only; options and bonds are left out. When a fund amends a report, the amended version is the one counted.

The history follows the company's current CUSIP number (G5T40M104). If the company's shares were ever re-issued under a different CUSIP, the quarters before the change are not part of this series, so the first point (Q2 2026) can be later than the stock's first appearance in 13F reports.

Share counts are adjusted for stock splits; none took place between these quarters. Values are in dollars as reported at the time and are not adjusted.

A quarter appears once our daily update has built its summary. If a summary cannot be built, older reports are kept and the chart shows the quarters it has until the next update repairs it.

Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

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More filings and data

Each opens the table.

Ownership stakes5 in 12 mo 8-K eventsNone in 90 days PatentsNone on record Short interestFINRA · updated Oct 15 Planned insider salesForm 144 · 14 in 12 mo Executive payNone on record Wikipedia attentionNone on record SEC enforcementNone on record IPO history4 registrations Ownership stakes…8-K events…Patents…Short interest…Planned insider sales…Executive pay…Wikipedia attention…SEC enforcement…

About the company

The basics from the company’s SEC registration.

Legal name: Marex Group Ltd
Address: CRAWFORD HOUSE, 50 CEDAR AVENUE, HAMILTON, Bermuda HM11
Phone: (441) 295-6500
Fiscal year ends: Dec 31
Filer category: Large accelerated filer
Incorporated in: Bermuda
Listed as: MRX (Nasdaq)
Former names: Marex Group plc (until 2026)
SEC filings: All filings on SEC EDGAR ↗

About the company

The basics from the company’s SEC registration.

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$70.72−$0.96 (−1.34%) Nov 13 close

1M3M1Y

Oct 13, 2026Low $64.41 · High $73.93Nov 13, 2026

Aug 13, 2026Low $64.41 · High $78.27Nov 13, 2026

Jul 1, 2026Low $59.93 · High $78.27Nov 13, 2026

Congress purchase Congress sale Insider sale over $1M

Adjusted for stock splits; not for dividends. Where prices come from.

Live chart

Intraday and historical prices from TradingView. Quotes may be delayed.

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Information, not investment advice. Company matching is automatic; check the source before relying on one row.