15th Rock
Minato-ku, Tokyo15th-rock.com
Overview
15th Rock is a venture capital firm founded in 2019 and based in Tokyo, Japan. The firm primarily invests in startups from seed to pre-IPO stages, with a focus on 'Human Augmentation' (primarily hardware) and 'Consumer 3.0' (primarily software). Their investment sectors include robotics, electronics, AR/VR, brain-machine interface, and biotechnology. The firm has established multiple funds, including Fund No. 1 in 2019 and Fund No. 2 in 2024, which has a target size of 10 billion yen.
Portfolio Companies
25
Website
15th-rock.comInvestments
| Company | Date | Stage | Lead |
|---|---|---|---|
| JIZAIE Inc. | Jul 2026 | Series A Extension | Co-investor |
| LetzRyd | Mar 2026 | Series A | Co-investor |
| Robust.AI | Apr 2025 | Early Funding | Co-investor |
| JIZAIE Inc. | Apr 2025 | Series A | Co-investor |
| EneCoat Technologies | Feb 2025 | Series C Extension | Co-investor |
Key People
Takeshi Minamoto
Founder&General Partner
Tetsu Nakajima
Founder General Partner
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
