J-Star
J-Star is a private equity investor based in Chiyoda, Japan. It reports about $929m in private-fund assets across 14 private funds to the US Securities and Exchange Commission (Form ADV, October 2026).
Part of the 311 Institute Global Investors Directory (311institute.com). Last updated .
Other investors in Japan
- Japan Industrial Partners
- Nippon Sangyo Suishin Kiko
- Catalys Pacific
- Marunouchi Innovation Partners
- Nippon Investment
- Aspirant Group
- J-Inc
- Japan Growth Investments Alliance
- Corporate Support Research Institute
- Sony Ventures
- Unison Capital
- D Capital
Related
- Innovation profile of Chiyoda
- Japan: economy and key statistics
- Global Startups Directory
- All 311 Indexes
Questions and answers
What kind of investor is J-Star?
J-Star is a private equity investor based in Chiyoda, Japan.
Where is J-Star based?
J-Star is headquartered in Chiyoda, Japan, according to its filing with the US Securities and Exchange Commission.
How much does J-Star manage?
It reports about $929m in private-fund assets across 14 private funds to the US Securities and Exchange Commission (Form ADV, October 2026).
Source: US Securities and Exchange Commission adviser record (Form ADV and Form D filings), as of October 2026.
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