![John Radziwill](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
John Radziwill
Chairman at
STONEX GROUP INC.
Net worth: 180 M $ as of 2026-05-30
Profile
John Radziwill is Chairman at StoneX Group, Inc. since 2012.
Mr. Radziwill is Independent Non-Executive Director at Oryx International Growth Fund Ltd. since 2007.
Mr. Radziwill is Director at New York Holdings Ltd., Netsurion LLC, The Lionheart Partnership, Inc., Fourth Street Capital Partners, ND Capital Investments Ltd. (Cayman Islands), and a Member of The Bar Council and Bar of England & Wales.
Mr. Radziwill is Non-Executive Director at Redcentric Plc since 2024.
Former roles include Director at Air Express International Corp., Radix Ventures, Inc., Lionheart Group, Inc., Acquisitor Plc, Acquisitor Holdings Ltd., SeatBoost, Inc., Baltimore Capital Plc, Radix Organization, Inc., USA Micro Cap Value Co. Ltd., Goldcrown Group Ltd., Interequity Capital Corp., PingTone Communications, Inc., and Fifth Street Capital Ltd.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-29 | 1,587,175 ( 2% ) | 180 M $ | 2026-05-30 |
John Radziwill active positions
| Companies | Position | Start |
|---|---|---|
| STONEX GROUP INC. | Chairman | 2012-02-29 |
| ORYX INTERNATIONAL GROWTH FUND LIMITED | Director/Board Member | 2007-04-30 |
| REDCENTRIC PLC | Director/Board Member | 2024-10-31 |
Fourth Street Capital Partners
 Fourth Street Capital Partners Fourth Street Capital Partners is dedicated to enhancing the real estate investment experience, emphasizing user engagement through updates and promotions, and maintaining a commitment to privacy and data protection. The private company is based in Los Angeles, CA. The company was founded by Michael J. Connolly. | Director/Board Member | - |
Netsurion LLC
 Netsurion LLC Information Technology ServicesTechnology Services Provides managed extended detection and response solutions | Director/Board Member | - |
The Lionheart Partnership, Inc. | Director/Board Member | - |
Bar of England & Wales
 Bar of England & Wales Miscellaneous Commercial ServicesCommercial Services Engages in representing barristers in England and Wales | Corporate Officer/Principal | - |
The Bar Council
 The Bar Council Miscellaneous Commercial ServicesCommercial Services Operates bar council | Corporate Officer/Principal | - |
New York Holdings Ltd. | Director/Board Member | - |
Former positions of John Radziwill
| Companies | Position | End |
|---|---|---|
| ░░░░░░░░░ ░░░░░░░ ░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░░░ ░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░░░ ░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░░ ░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░ ░░░░░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
61
1st degree connections
22
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 22 |
|---|---|
Air Express International Corp.
 Air Express International Corp. AirlinesTransportation Provides air freight services | Transportation |
Radix Ventures, Inc.
 Radix Ventures, Inc. Air Freight/CouriersTransportation Operates offices of holding companies | Transportation |
StoneX Group, Inc.
 StoneX Group, Inc. Investment Banks/BrokersFinance Provides financial, security brokerage and advisory services | Finance |
Lionheart Group, Inc.
 Lionheart Group, Inc. Specialty TelecommunicationsCommunications Provides financial and communication services | Communications |
Acquisitor Plc
 Acquisitor Plc Financial ConglomeratesFinance Private investment firm | Finance |
Acquisitor Holdings Ltd.
 Acquisitor Holdings Ltd. Financial ConglomeratesFinance Private equity firm | Finance |
Oryx International Growth Fund Ltd.
 Oryx International Growth Fund Ltd. Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
New York Holdings Ltd. | |
Baltimore Capital Plc
 Baltimore Capital Plc Internet Software/ServicesTechnology Services Provides information security solutions by developing, marketing and supporting a set of software products and professional services | Technology Services |
Radix Organization, Inc. | |
The Bar Council
The Bar Council Miscellaneous Commercial ServicesCommercial Services Operates bar council | Commercial Services |
USA Micro Cap Value Co. Ltd. | |
Goldcrown Group Ltd. | |
Interequity Capital Corp. | |
Netsurion LLC
Netsurion LLC Information Technology ServicesTechnology Services Provides managed extended detection and response solutions | Technology Services |
PingTone Communications, Inc.
 PingTone Communications, Inc. Specialty TelecommunicationsCommunications Provides cloud-based communications services | Communications |
Bar of England & Wales
Bar of England & Wales Miscellaneous Commercial ServicesCommercial Services Engages in representing barristers in England and Wales | Commercial Services |
The Lionheart Partnership, Inc. | |
Redcentric Plc
 Redcentric Plc Information Technology ServicesTechnology Services Provides network based end to end managed services | Technology Services |
Fourth Street Capital Partners
Fourth Street Capital Partners Fourth Street Capital Partners is dedicated to enhancing the real estate investment experience, emphasizing user engagement through updates and promotions, and maintaining a commitment to privacy and data protection. The private company is based in Los Angeles, CA. The company was founded by Michael J. Connolly. | |
Fifth Street Capital Ltd. | |
SeatBoost, Inc.
 SeatBoost, Inc. Internet Software/ServicesTechnology Services Operates as a platform that helps your airline revenue management, ancillary, and customer experience teams | Technology Services |
- Stock Market
- Insiders
- John Radziwill
