Marex Group plc files Form 13F reporting $15.8B holdings

Marex Group plc filed a Form 13F reporting institutional holdings.

Rhea-AI Filing Summary

Marex Group plc filed a Form 13F reporting institutional holdings. The filing lists 1,464 Form 13F information-table entries with a total market value of $15,818,985,941. The report names 3 other included managers and is signed by Scott Linsley on 05-13-2026.

Insights

Institutional Holdings Analyst

Routine 13F holdings disclosure showing scale of holdings reported by Marex Group plc.

The filing documents 1,464 reported positions with an aggregate market value of $15,818,985,941. It also lists 3 other included managers; the signature block shows Scott Linsley signed on 05-13-2026.

This is a periodic regulatory disclosure; it provides a snapshot of reported long equity positions as of the reporting period. Holdings detail and position-level data appear in the information table referenced by the summary total.

Key Figures

Form 13F information-table entries: 1,464 Aggregate market value: $15,818,985,941 Number of other included managers: 3 +3 more

6 metrics

Form 13F information-table entries 1,464 information table entry total

Aggregate market value $15,818,985,941 Form 13F information table value total

Number of other included managers 3 List of other included managers

Form 13F File Number 028-25755 Marex Group plc Form 13F file number

Signer and title Scott Linsley, Corporate Secretary Person signing the report

Signing date 05-13-2026 Signature date on the report

Key Terms

Form 13F information table, Form 13F file number, other included managers

3 terms

Form 13F information table regulatory

"Form 13F Information Table Entry Total: 1,464"

Form 13F file number regulatory

"Form 13F File Number: 028-25755"

other included managers regulatory

"List of Other Included Managers Provide a numbered list"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many holdings did Marex Group plc (MRX) report on its Form 13F?

The filing reports 1,464 Form 13F information-table entries. This count is the total number of distinct positions listed in the report's information table.

What is the total market value of MRX's reported 13F holdings?

The aggregate market value reported is $15,818,985,941. That figure represents the rounded total value of all positions in the Form 13F information table.

Did Marex Group plc include other managers in this 13F filing?

Yes; the report lists 3 other included managers. Their names and Form 13F file numbers appear on the form's list of other included managers.

Who signed the Marex Group plc Form 13F and when?

The report is signed by Scott Linsley, Corporate Secretary, with the signing dated 05-13-2026. The signature appears on the cover portion of the filing.

Does this Form 13F filing include full position-level details?

The summary indicates an information table entry total of 1,464, which implies position-level rows exist in the information table. The summary page reports the aggregate value.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/13/2026 - 10:23 AM Learn about SEC filing dates

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: 03-31-2026

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	05-13-2026
[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:		1,464
	Form 13F Information Table Value Total:		15,818,985,941
			(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