Marex Group (NASDAQ: MRX) reveals $15.9B 13F holdings portfolio

Rhea-AI Filing Summary

Marex Group plc has filed a Form 13F holdings report as an institutional investment manager. The filing states that Marex reports 1,565 individual investment positions with a total Form 13F portfolio value of $15,886,440,721, based on reportable U.S. securities.

The report lists three other included managers: Marex Capital Markets Inc., Marex Financial, and Marex Securities Products Inc. It is signed by Corporate Secretary Scott Linsley on behalf of Marex Group, confirming that the information provided is true, correct, and complete.

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL

OMB Number:			3235-0006
Estimated average burden
hours per response:			23.8

Report for the Calendar Year or Quarter Ended: 12-31-2025

Check here if Amendment		Amendment Number:
This Amendment (Check only one.):		is a restatement.
		adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:	Marex Group plc
Address:	155 Bishopsgate
	London, X0 EC2M 3TQ
Form 13F File Number:	028-25755
CRD Number (if applicable):
SEC File Number (if applicable):	001-42020

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:		Scott Linsley
Title:		Corporate Secretary
Phone:		44-2076-556000
Signature, Place, and Date of Signing:
Scott Linsley			London, X0	02-12-2026
[Signature]			[City, State]	[Date]

Report Type (Check only one.):
X	13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
	13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
	13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F Summary Page
	Report Summary:
	Number of Other Included Managers:		3
	Form 13F Information Table Entry Total:		1,565
	Form 13F Information Table Value Total:		15,886,440,721
			(round to nearest dollar)

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]
	No.	Name	Form 13F File No.	CRD No. (if applicable)	SEC File No. (if applicable)	CIK
	1	MAREX CAPITAL MARKETS INC.	028-25756	000161014	008-69039	0001540527
	2	Marex Financial	028-25790			0002088488
	3	Marex Securities Products Inc.	028-25757	000090182	026-00242	0002048490

FAQ

What does Marex Group plc (MRX) report in its latest Form 13F?

Marex Group plc reports its institutional U.S. equity holdings on Form 13F. The filing shows 1,565 reportable positions with a total stated value of $15,886,440,721, giving investors an overview of Marex’s reportable portfolio as of the filing period.

How large is Marex Group plc (MRX)'s 13F-reportable portfolio?

The Form 13F filing shows Marex Group plc has reportable holdings valued at $15,886,440,721. This figure represents the aggregate market value of all U.S. securities that meet 13F reporting requirements across 1,565 separate investment positions in the portfolio.

How many positions are disclosed in Marex Group plc (MRX)'s Form 13F?

Marex Group plc discloses 1,565 individual reportable positions in its Form 13F. Each position represents a U.S.-listed security that meets regulatory reporting thresholds, providing a granular view of the firm’s institutional investment exposures for the covered period.

Who signed Marex Group plc (MRX)'s Form 13F and in what capacity?

The Form 13F is signed by Scott Linsley, acting as Corporate Secretary for Marex Group plc. The signature certifies that he is authorized to submit the report and that the information contained in it is true, correct, and complete to the best of their knowledge.

Which other managers are included in Marex Group plc (MRX)'s 13F report?

The report lists three other included managers: Marex Capital Markets Inc., Marex Financial, and Marex Securities Products Inc. These affiliated entities have their holdings consolidated into the Marex Group plc Form 13F, giving a combined view of reportable positions.

What type of Form 13F filing did Marex Group plc (MRX) submit?

Marex Group plc submitted a 13F Holdings Report, indicating all of its reportable positions are included in this filing. It is not a 13F Notice or Combination Report, so investors see the full set of Marex’s reportable holdings here.