![Toshihiro Toyoshima](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>)
Toshihiro Toyoshima
Chairman at
SPRING REAL ESTATE INVESTMENT TRUST
Net worth: 5 M $ as of 2026-05-30
Profile
Toshihiro Toyoshima is Chief Executive Officer at Mercuria Investment Co., Ltd. since 2008.
Holds chairman positions at Spring Real Estate Investment Trust and Spring Asset Management Ltd. (Hong Kong) since 2013.
Serves as Director at Quark Pharmaceuticals, Inc. since 2010; Outside Director at Admiral Capital Co., Ltd. since 2012; Director at Puhua Holdings Ltd. since 2009; Representative Director at Mercuria Investment KK since 2008; Director at MIBJ Consulting Beijing Co., Ltd. since 2011; Director at Beijing Hua-Re Real Estate Consultancy Co. Ltd. since 2009; Director at Stellarworks Holdings Ltd. since 2014; Representative Director at Mercuria Holdings Co., Ltd. since 2021; Director at Mercuria Thailand Co., Ltd., Mercuria Sg Pte Ltd., and Mercuria Advisory Co. Ltd. since 2023.
Formerly Director at skyrockit, Inc. from 2011 to 2014.
General Director-Investment Banking at Development Bank of Japan, Inc. from 1985 to 2010.
Director at Allport Ltd. from 2014 to 2023.
Graduated from Massachusetts Institute of Technology in 1992 and the University of Tokyo in 1985.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-12-30 | 939,900 ( 4.36% ) | 4 M $ | 2026-05-30 | |
| 2024-12-30 | 1,652,000 ( 0.11% ) | 263 477 $ | 2026-05-30 |
Toshihiro Toyoshima active positions
| Companies | Position | Start |
|---|---|---|
| SPRING REAL ESTATE INVESTMENT TRUST | Chairman | - |
| MERCURIA HOLDINGS CO., LTD. | Director/Board Member | 2021-06-30 |
MIBJ Consulting Beijing Co., Ltd. | Director/Board Member | 2011-07-31 |
Admiral Capital Co., Ltd.
 Admiral Capital Co., Ltd. Investment ManagersFinance Admiral Capital invests in small and medium-sized enterprises with growth potential in Japan and overseas. The firm targets companies operating across a broad range of sectors and industries. It provides equity and mezzanine financing, specializing in debtor-in-possession (DIP) financing. | Director/Board Member | 2012-09-30 |
Stellarworks Holdings Ltd.
 Stellarworks Holdings Ltd. Home FurnishingsConsumer Durables Manufactures and wholesales furniture products | Director/Board Member | 2014-08-31 |
Beijing Hua-Re Real Estate Consultancy Co. Ltd.
 Beijing Hua-Re Real Estate Consultancy Co. Ltd. Real Estate DevelopmentFinance Provide real estate services | Director/Board Member | 2009-04-30 |
Puhua Holdings Ltd.
 Puhua Holdings Ltd. Environmental ServicesIndustrial Services Provides wastewater treatment services | Director/Board Member | 2009-09-30 |
Mercuria Investment Co., Ltd. /Private Equity/
 Mercuria Investment Co., Ltd. /Private Equity/ Investment ManagersFinance Mercuria Investment invest in companies located in Japan and China. It focuses on companies located in Japan that are operating in a broad range of sectors. It provides financing for growth, business restructure, business succession through buyout transactions, real estate and cash flow. | Chief Executive Officer | 2007-12-31 |
Mercuria Investment KK
 Mercuria Investment KK MiscellaneousMiscellaneous Functions as an investment holding company | Director/Board Member | - |
Former positions of Toshihiro Toyoshima
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| ░░░░░ ░░░░░░░░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of Toshihiro Toyoshima
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
56
1st degree connections
16
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 16 |
|---|---|
Quark Pharmaceuticals, Inc.
 Quark Pharmaceuticals, Inc. BiotechnologyHealth Technology Discovers and develops novel RNAi-based therapeutics | Health Technology |
Massachusetts Institute of Technology
 Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University | Finance |
University of Tokyo
 University of Tokyo Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
skyrockit, Inc.
 skyrockit, Inc. Packaged SoftwareTechnology Services Provides mobile content solutions | Technology Services |
Admiral Capital Co., Ltd.
Admiral Capital Co., Ltd. Investment ManagersFinance Admiral Capital invests in small and medium-sized enterprises with growth potential in Japan and overseas. The firm targets companies operating across a broad range of sectors and industries. It provides equity and mezzanine financing, specializing in debtor-in-possession (DIP) financing. | Finance |
Mercuria Investment Co., Ltd. /Private Equity/
Mercuria Investment Co., Ltd. /Private Equity/ Investment ManagersFinance Mercuria Investment invest in companies located in Japan and China. It focuses on companies located in Japan that are operating in a broad range of sectors. It provides financing for growth, business restructure, business succession through buyout transactions, real estate and cash flow. | Finance |
Development Bank of Japan, Inc. /Private Equity/
 Development Bank of Japan, Inc. /Private Equity/ Investment ManagersFinance DBJ invests in companies located in Japan. The firm focuses on a broad range of sectors and industries. It provides financing in the form of equity, debt, mezzanine for LBO and MBO transactions. | Finance |
Puhua Holdings Ltd.
Puhua Holdings Ltd. Environmental ServicesIndustrial Services Provides wastewater treatment services | Industrial Services |
Allport Ltd.
 Allport Ltd. Financial ConglomeratesFinance Provides investment services | Finance |
Spring Real Estate Investment Trust
 Spring Real Estate Investment Trust Real Estate Investment TrustsFinance Acts as a real estate investment trust | Finance |
Spring Asset Management Ltd. (Hong Kong)
 Spring Asset Management Ltd. (Hong Kong) Investment ManagersFinance Provides investment management services | Finance |
Mercuria Investment KK
Mercuria Investment KK MiscellaneousMiscellaneous Functions as an investment holding company | Miscellaneous |
MIBJ Consulting Beijing Co., Ltd. | |
Beijing Hua-Re Real Estate Consultancy Co. Ltd.
Beijing Hua-Re Real Estate Consultancy Co. Ltd. Real Estate DevelopmentFinance Provide real estate services | Finance |
Stellarworks Holdings Ltd.
Stellarworks Holdings Ltd. Home FurnishingsConsumer Durables Manufactures and wholesales furniture products | Consumer Durables |
Mercuria Holdings Co., Ltd.
 Mercuria Holdings Co., Ltd. Financial ConglomeratesFinance Operates as a holding company which provides fund management and investment services | Finance |
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