Marex Group Ltd

MRX

Exchange: Nasdaq
Industry: Security & Commodity Brokers, Dealers, Exchanges & Services
SEC CIK: 0001997464

SEC filings (opens in a new tab)

In the last 90 days, Marex Group Ltd insiders filed 0 open-market purchases and 7 sales; 224 institutions reported holding it in 13F filings for Q2 2026, worth $3.43B in total; no superinvestor holds it.

Key figures

Market capADS ratio not in SEC data: –
Insider buysOpen market, last 90 days: 0
Insider sellsLast 90 days, $7.46M in total: 7
13F holdersQ2 2026, +19 vs. previous quarter: 224
13F valueReported value at the end of Q2 2026: $3.43B
Superinvestors holdingAt the end of Q2 2026: 0

Price chart

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Financials

See financial statements

From SEC filings, in USD.

Revenue, FY2025: $2.02B; +26.9% year over year
Net income, FY2025: $307.7M; +41.1% year over year
Free cash flow, FY2025: $654.4M; −43.2% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest: 2.22M; Shares sold short
Change: −208.1K; −8.6% vs. previous
Days to cover: 3.45; At average daily volume

Superinvestors holding MRX, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding MRX at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by Marex Group Ltd insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Nov 12, 2026 (view filing)4:05 PM ET	Nov 9	3 days	Tonucci PaoloSee Remarks	SSale	−16.7K	$68.68	−$1.14M	−1.3%1.24M after	3 lots10b5-1
Nov 9, 2026 (view filing)4:05 PM ET	Nov 5	4 days	Van Den Born SimonPresident	SSale	−22.5K	$66.29	−$1.49M	−1.5%1.43M after	6 lots10b5-1
Oct 14, 2026 (view filing)4:05 PM ET	Oct 12	2 days	Van Den Born SimonPresident	SSale	−15.3K	$72.04	−$1.10M	−1.0%1.46M after	2 lots10b5-1
Oct 14, 2026 (view filing)4:05 PM ET	Oct 12	2 days	Tonucci PaoloSee Remarks	SSale	−16.7K	$72.03	−$1.20M	−1.3%1.25M after	2 lots10b5-1
Sep 16, 2026 (view filing)4:05 PM ET	Sep 14	2 days	Tonucci PaoloSee Remarks	SSale	−16.7K	$70.87	−$1.18M	−1.3%1.27M after	2 lots10b5-1
Sep 16, 2026 (view filing)4:05 PM ET	Sep 14	2 days	Van Den Born SimonPresident	SSale	−15.3K	$70.87	−$1.08M	−1.0%1.47M after	2 lots10b5-1
Aug 18, 2026 (view filing)4:05 PM ET	Aug 14	4 days	Irvin RobChief Financial Officer	SSale	−3.70K	$70.96	−$262.5K	−10.6%31.0K after	2 lots
Aug 12, 2026 (view filing)4:05 PM ET	Aug 10	2 days	Tonucci PaoloSee Remarks	SSale	−16.7K	$60.92	−$1.02M	−1.3%1.27M after	3 lots10b5-1
Jul 15, 2026 (view filing)4:05 PM ET	Jul 13	2 days	Tonucci PaoloSee Remarks	SSale	−16.7K	$64.42	−$1.07M	−1.3%1.28M after	3 lots10b5-1
Jul 15, 2026 (view filing)4:05 PM ET	Jul 13	2 days	Lowitt Ian TChief Executive Officer	SSale	−37.1K	$64.39	−$2.39M	−1.3%2.79M after	3 lots10b5-1

Top 10 13F holders, Q2 2026

See all 224 holders

The largest institutional positions in Marex Group Ltd at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding MRX in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
FMR LLC	5,368,485	$327.2M	0.01%	+1,886,574+54.2%	Added
Price T Rowe Associates Inc	4,923,341	$300.1M	0.03%	+3,017,312+158.3%	Added
BlackRock, Inc.	4,594,149	$280.0M	0.00%	+204,824+4.7%	Added
Capital International Investors	3,264,364	$199.0M	0.04%	−223,729−6.4%	Reduced
Alliancebernstein L.P.	2,600,436	$115.9M	0.04%	+870,311+50.3%	Added
Wasatch Advisors Inc	1,683,061	$102.6M	0.67%	+1,511,952+883.6%	Added
Loomis Sayles & Co L P	1,626,702	$99.1M	0.12%	−291,920−15.2%	Reduced
Samlyn Capital, LLC	1,483,250	$90.4M	1.50%	−205,627−12.2%	Reduced
Invesco Ltd.	1,404,552	$85.6M	0.01%	+31,784+2.3%	Added
Ophir Asset Management Pty Ltd	1,391,511	$84.8M	6.98%	+144,965+11.6%	Added

Holders of 5% or more of MRX

See all 2 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Marex Group Ltd.

Largest holders of MRX from 13D and 13G filings
Holder	Latest form	Stake	Change	First filed	Latest filing	Filing
FMR LLC	13G/A	7.50%5.37M shares	+2.40 ppfrom 5.10%	May 6, 20262 filings	Aug 6, 2026	SEC
Price T Rowe Associates Inc	13G	6.80%4.92M shares	New	Aug 14, 20261 filing	Aug 14, 2026	SEC