Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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(Amendment No. 1)*
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Marex Group plc (Name of Issuer) |
Common Stock, par value $0.001551 per share (Title of Class of Securities) |
G5S37H101 (CUSIP Number) |
06/30/2025 (Date of Event Which Requires Filing of this Statement) |
| Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
 Rule 13d-1(b)
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| Rule 13d-1(c)
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 Rule 13d-1(d)
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SCHEDULE 13G
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| CUSIP No. | G5S37H101 |
| 1 | Names of Reporting Persons
JRJ Investor 1 LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
JERSEY
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,160,826.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
9.99 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Amphitryon Limited is the record holder of the shares reported herein. JRJ Investor 1 LP is the indirect sole shareholder of Amphitryon Ltd. JRJ Investor 1 LP is indirectly controlled by JRJ Group Limited, which is controlled by Sir Jeremy Isaacs and Mr. Roger Nagioff. As such, they may be deemed to have or share beneficial ownership of the ordinary shares held directly by Amphitryon Limited.
SCHEDULE 13G
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| CUSIP No. | G5S37H101 |
| 1 | Names of Reporting Persons
Amphitryon Limited (in liquidation) | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
JERSEY
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,160,826.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
9.99 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
CO |
Comment for Type of Reporting Person: Amphitryon Limited is the record holder of the shares reported herein. JRJ Investor 1 LP is the indirect sole shareholder of Amphitryon Ltd. JRJ Investor 1 LP is indirectly controlled by JRJ Group Limited, which is controlled by Sir Jeremy Isaacs and Mr. Roger Nagioff. As such, they may be deemed to have or share beneficial ownership of the ordinary shares held directly by Amphitryon Limited.
SCHEDULE 13G
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| CUSIP No. | G5S37H101 |
| 1 | Names of Reporting Persons
JRJ Group Limited | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
JERSEY
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,160,826.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
9.99 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
CO |
Comment for Type of Reporting Person: Amphitryon Limited is the record holder of the shares reported herein. JRJ Investor 1 LP is the indirect sole shareholder of Amphitryon Ltd. JRJ Investor 1 LP is indirectly controlled by JRJ Group Limited, which is controlled by Sir Jeremy Isaacs and Mr. Roger Nagioff. As such, they may be deemed to have or share beneficial ownership of the ordinary shares held directly by Amphitryon Limited.
SCHEDULE 13G
|
| CUSIP No. | G5S37H101 |
| 1 | Names of Reporting Persons
Sir Jeremy Isaacs | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
UNITED KINGDOM
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,160,826.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
9.99 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
IN |
Comment for Type of Reporting Person: Amphitryon Limited is the record holder of the shares reported herein. JRJ Investor 1 LP is the indirect sole shareholder of Amphitryon Ltd. JRJ Investor 1 LP is indirectly controlled by JRJ Group Limited, which is controlled by Sir Jeremy Isaacs and Mr. Roger Nagioff. As such, they may be deemed to have or share beneficial ownership of the ordinary shares held directly by Amphitryon Limited.
SCHEDULE 13G
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| CUSIP No. | G5S37H101 |
| 1 | Names of Reporting Persons
Mr. Roger Nagioff | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
UNITED KINGDOM
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,160,826.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
9.99 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
IN |
Comment for Type of Reporting Person: Amphitryon Limited is the record holder of the shares reported herein. JRJ Investor 1 LP is the indirect sole shareholder of Amphitryon Ltd. JRJ Investor 1 LP is indirectly controlled by JRJ Group Limited, which is controlled by Sir Jeremy Isaacs and Mr. Roger Nagioff. As such, they may be deemed to have or share beneficial ownership of the ordinary shares held directly by Amphitryon Limited.
SCHEDULE 13G
|
| Item 1. | ||
| (a) | Name of issuer:
Marex Group plc | |
| (b) | Address of issuer's principal executive offices:
155 Bishopsgate London, United Kingdom, EC2M 3TQ | |
| Item 2. | ||
| (a) | Name of person filing:
| |
| (b) | Address or principal business office or, if none, residence:
| |
| (c) | Citizenship:
(i) JRJ Investor 1 LP ("JRJ Investor 1") 44 Esplanade, St. Helier, JE4 9WG, Jersey Citizenship: Limited partnership organized under the laws of Jersey (ii) Amphitryon Limited (in liquidation) ("Amphitryon Ltd.") 44 Esplanade, St. Helier, JE4 9WG, Jersey Citizenship: Company organized under the laws of Jersey (iii) JRJ Group Limited ("JRJ Group") 44 Esplanade, St. Helier, JE4 9WG, Jersey Citizenship: Company organized under the laws of Jersey (iv) Sir Jeremy Isaacs 44 Esplanade, St. Helier, JE4 9WG, Jersey Citizenship: British Citizen (v) Mr. Roger Nagioff 44 Esplanade, St. Helier, JE4 9WG, Jersey Citizenship: British Citizen | |
| (d) | Title of class of securities:
Common Stock, par value $0.001551 per share | |
| (e) | CUSIP No.:
G5S37H101 | |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: | |
| (a) | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
| |
| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
| |
| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
| |
| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
| |
| (f) |
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
| |
| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
| |
| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
| |
| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
| |
| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution: | |
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
| |
| Item 4. | Ownership | |
| (a) | Amount beneficially owned:
As of July 24, 2025, Amphitryon Ltd. directly held 7,160,826 Shares. JRJ Investor 1 is the indirect sole shareholder of Amphitryon Ltd. JRJ Investor 1 is indirectly controlled by JRJ Group, which is controlled by Sir Jeremy Isaacs and Mr. Roger Nagioff. As such, they may be deemed to have or share beneficial ownership of the Shares held directly by Amphitryon Ltd. | |
| (b) | Percent of class:
Each of the Reporting Persons may be deemed to be the beneficial owner of the percentage of Shares listed on such Reporting Person's cover page. Calculations of the percentage of Shares beneficially owned are based on 71,699,922 Shares outstanding as of June 30, 2025, which excludes 1,199,156 Ordinary Shares that were held by the Company's employee benefit trust, based on information provided by the Issuer to the Reporting Persons. %
| |
| (c) | Number of shares as to which the person has:
| |
| (i) Sole power to vote or to direct the vote:
0 | ||
| (ii) Shared power to vote or to direct the vote:
7,160,826 | ||
| (iii) Sole power to dispose or to direct the disposition of:
0 | ||
| (iv) Shared power to dispose or to direct the disposition of:
7,160,826 | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
| ||
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
| ||
| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
| ||
| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
| ||
| Item 10. | Certifications: |
Not Applicable
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| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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Comments accompanying signature: JRJ JERSEY LIMITED, AS GENERAL PARTNER OF JRJ INVESTOR 1 LP