![John Ions](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 Ions
Chief Executive Officer at
LIONTRUST ASSET MANAGEMENT PLC
Net worth: 5 M $ as of 29/06/2026
Profile
John Stephen Ions was the founder of Man Fund Management UK Ltd. since 1998, holding the title of Chief Executive Officer.
Current jobs include Chief Executive Officer at Liontrust Investment Partners LLP since 2010, Chief Executive Officer & Executive Director at Liontrust Asset Management Plc since 2012, Chief Executive Officer at Liontrust Asset Management Plc (Investment Management) since 2010, Director at Liontrust Investment Services Ltd., and Director at Liontrust Investment Funds Ltd. since 2010.
Former jobs include Chief Executive Officer at Liontrust Investment Solutions Ltd. from 2010 to 2022, Chief Executive Officer at Liontrust Asset Managers Ltd., Chief Executive Officer at Tactica Fund Management Ltd., Chief Executive Officer at Liontrust ESG Trust Plc, Joint Managing Director at Société Générale Asset Management SA, Head-Distribution at abrdn Holdings Ltd., Head-UK Sales at Thornton Investment Management PLLC from 1990 to 1993, and Head-UK Sales at Am Wind-Up Ltd.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 04/05/2026 | 982,371 ( 1.64% ) | 5 M $ | 29/06/2026 |
John Ions active positions
| Companies | Position | Start |
|---|---|---|
| LIONTRUST ASSET MANAGEMENT PLC | Chief Executive Officer | 31/01/2010 |
Liontrust Investment Partners LLP
 Liontrust Investment Partners LLP Investment ManagersFinance Liontrust IP is an active manager which seeks to find investment opportunities that can sustain or improve their market share over the long-term. The firm’s investment approach is rooted in fundamental, bottom-up research and independent analysis. Investment opportunities are considered by and then debated within the investment team against several macro and micro factors. | Chief Executive Officer | 31/01/2010 |
Liontrust Investment Funds Ltd.
 Liontrust Investment Funds Ltd. Financial ConglomeratesFinance Provides financial intermediation services | Director/Board Member | 05/05/2010 |
Liontrust Investment Services Ltd.
 Liontrust Investment Services Ltd. Financial ConglomeratesFinance Provides financial intermediation services | Director/Board Member | - |
Liontrust Asset Management Plc (Investment Management)
 Liontrust Asset Management Plc (Investment Management) Investment ManagersFinance Liontrust-IM focuses on areas of investment where they have expertise, and each investment team has distinct, rigorous and repeatable processes. | Chief Executive Officer | 30/04/2010 |
Former positions of John Ions
| Companies | Position | End |
|---|---|---|
Liontrust ESG Trust Plc
 Liontrust ESG Trust Plc Investment ManagersFinance Operates as a fund management company | Chief Executive Officer | 12/09/2022 |
Liontrust Investment Solutions Ltd.
 Liontrust Investment Solutions Ltd. Investment ManagersFinance Liontrust Investment is an active multi-manager which employs a proprietary investment process to combine the skills and abilities of different fund managers and fund management groups through a diversified investment portfolio that offers a second tier of professional management. The firm follows a modular approach, designed to achieve a variety of objectives and strategies and which allows their clients to choose which functions they require to complement their existing skill sets. Their process covers the full range of asset classes and investment instruments and includes offshore as well as UK-domiciled investment products. | Chief Executive Officer | 07/04/2022 |
Liontrust Asset Managers Ltd.
 Liontrust Asset Managers Ltd. Investment ManagersFinance Provides investment advice | President | 01/11/2012 |
Thornton Investment Management PLLC
 Thornton Investment Management PLLC Investment ManagersFinance Provides investment advice | Corporate Officer/Principal | 31/12/1992 |
| ░░ ░░░░░░░ ░░░░ | ░░░░░ ░ ░░░░░░░░░ | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
58
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Société Générale Asset Management SA
 Société Générale Asset Management SA Financial ConglomeratesFinance Provides asset management services | Finance |
abrdn Holdings Ltd.
 abrdn Holdings Ltd. Investment ManagersFinance Provides investment and asset management services | Finance |
Liontrust Investment Partners LLP
Liontrust Investment Partners LLP Investment ManagersFinance Liontrust IP is an active manager which seeks to find investment opportunities that can sustain or improve their market share over the long-term. The firm’s investment approach is rooted in fundamental, bottom-up research and independent analysis. Investment opportunities are considered by and then debated within the investment team against several macro and micro factors. | Finance |
Liontrust Asset Management Plc
 Liontrust Asset Management Plc Investment ManagersFinance Operates as an investment holding company with interest in providing asset management and private equity services | Finance |
Liontrust Investment Solutions Ltd.
Liontrust Investment Solutions Ltd. Investment ManagersFinance Liontrust Investment is an active multi-manager which employs a proprietary investment process to combine the skills and abilities of different fund managers and fund management groups through a diversified investment portfolio that offers a second tier of professional management. The firm follows a modular approach, designed to achieve a variety of objectives and strategies and which allows their clients to choose which functions they require to complement their existing skill sets. Their process covers the full range of asset classes and investment instruments and includes offshore as well as UK-domiciled investment products. | Finance |
Liontrust Investment Services Ltd.
Liontrust Investment Services Ltd. Financial ConglomeratesFinance Provides financial intermediation services | Finance |
Liontrust Investment Funds Ltd.
Liontrust Investment Funds Ltd. Financial ConglomeratesFinance Provides financial intermediation services | Finance |
Liontrust Asset Managers Ltd.
Liontrust Asset Managers Ltd. Investment ManagersFinance Provides investment advice | Finance |
Thornton Investment Management PLLC
Thornton Investment Management PLLC Investment ManagersFinance Provides investment advice | Finance |
Am Wind-Up Ltd. | |
Man Fund Management UK Ltd.
 Man Fund Management UK Ltd. Investment Banks/BrokersFinance Engages in securities and commodity contract dealing activities | Finance |
Tactica Fund Management Ltd. | |
Liontrust ESG Trust Plc
Liontrust ESG Trust Plc Investment ManagersFinance Operates as a fund management company | Finance |
Liontrust Asset Management Plc (Investment Management)
Liontrust Asset Management Plc (Investment Management) Investment ManagersFinance Liontrust-IM focuses on areas of investment where they have expertise, and each investment team has distinct, rigorous and repeatable processes. | Finance |
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