![Kazuhiro Mashiba](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>)
Kazuhiro Mashiba
Director/Board Member at
AIZAWA SECURITIES GROUP CO., LTD.
Net worth: 401 407 $ as of 2026-05-30
Profile
Kazuhiro Mashiba has held multiple roles since 2001.
Currently holds positions at Aizawa Securities Group Co., Ltd. as Director & Managing Executive Officer since 2024, at Japan Securities, Inc. as Director since 2019, at Aizawa Asset Management Co. as Director, and at AIZAWA Investments Co. Ltd. as President.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-03-30 | 45,000 ( 0.11% ) | 401 407 $ | 2026-05-30 |
Kazuhiro Mashiba active positions
| Companies | Position | Start |
|---|---|---|
| AIZAWA SECURITIES GROUP CO., LTD. | Director/Board Member | 2018-06-26 |
Japan Securities, Inc.
 Japan Securities, Inc. Investment Banks/BrokersFinance Provides securities brokerage and investment advisory services | Director/Board Member | 2019-05-19 |
Aizawa Asset Management Co.
 Aizawa Asset Management Co. Investment ManagersFinance Functions as an alternative investment manager | Director/Board Member | - |
AIZAWA Investments Co. Ltd.
 AIZAWA Investments Co. Ltd. Investment ManagersFinance AIZAWA Investments is an active manager which invests in companies located in Japan. The firm invests in a broad range of sectors. | President | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
15
1st degree connections
4
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
AIZAWA SECURITIES GROUP CO., LTD.
 AIZAWA SECURITIES GROUP CO., LTD. Investment Banks/BrokersFinance Provides online security trading services | Finance |
AIZAWA Investments Co. Ltd.
AIZAWA Investments Co. Ltd. Investment ManagersFinance AIZAWA Investments is an active manager which invests in companies located in Japan. The firm invests in a broad range of sectors. | Finance |
Japan Securities, Inc.
Japan Securities, Inc. Investment Banks/BrokersFinance Provides securities brokerage and investment advisory services | Finance |
Aizawa Asset Management Co.
Aizawa Asset Management Co. Investment ManagersFinance Functions as an alternative investment manager | Finance |
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