![Yuma Umeda](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>)
Yuma Umeda
Chief Executive Officer at
MAM Pte Ltd.
Net worth: 11 M $ as of 31/07/2026
Profile
Yuma Umeda is the founder of UUUM Co., Ltd. (2013).
Ms. Umeda is currently the Managing Director at MAM Pte Ltd. since 2011.
Formerly, Ms. Umeda served as Chief Executive Officer & Representative Director at Medical Note, Inc.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
5.73% | 01/07/2026 | 1,710,000 ( 5.73% ) | 11 M $ | 31/07/2026 |
Yuma Umeda active positions
| Companies | Position | Start |
|---|---|---|
MAM Pte Ltd.
 MAM Pte Ltd. Investment ManagersFinance MAM is an active, event-driven manager that seeks to invest in rising and falling stock prices and in companies undergoing transactions such as mergers and acquisitions and spinoffs. Their geographic focus is on Japan. In addition to event-driven, the firm also utilizes directional trades with index futures and options, and equity Long/Short strategies. | Chief Executive Officer | 01/11/2011 |
Former positions of Yuma Umeda
| Companies | Position | End |
|---|---|---|
Medical Note, Inc.
 Medical Note, Inc. Internet Software/ServicesTechnology Services Operates as an online platform that connect doctors and patients | Chief Executive Officer | - |
| UUUM CO.,LTD. | Founder | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
MAM Pte Ltd.
MAM Pte Ltd. Investment ManagersFinance MAM is an active, event-driven manager that seeks to invest in rising and falling stock prices and in companies undergoing transactions such as mergers and acquisitions and spinoffs. Their geographic focus is on Japan. In addition to event-driven, the firm also utilizes directional trades with index futures and options, and equity Long/Short strategies. | Finance |
UUUM Co., Ltd.
 UUUM Co., Ltd. Internet Software/ServicesTechnology Services Operates as video sharing portal site | Technology Services |
Medical Note, Inc.
Medical Note, Inc. Internet Software/ServicesTechnology Services Operates as an online platform that connect doctors and patients | Technology Services |
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