Key facts
- B.dot Medical’s last known valuation is $66.5M (Oct 2025).
- It has raised $23.5M; the latest was Later Stage VC ($8.8M) in Oct 2025.
- Notable investors include MedTech Innovator, Mitsubishi UFJ Capital, Keio Innovation Initiative, JA Mitsui Leasing, Kiraboshi Capital — 11 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 11 names
- ·Watchlist + deal alerts for B.dot Medical
- ·The full record, as it builds
Funding rounds
No funding rounds for B.dot Medical are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About B.dot Medical
Developer of a medical device system designed to make proton cancer treatment more accessible by reducing the size and cost of conventional systems. The company's device utilizes radiotherapy which pinpoints and irradiates tumors deep inside the body, reducing damage to normal surrounding tissues and organs to advanced cancer care, enabling doctors and clinicians to provide proton cancer therapy for treatment at a lower cost.
- Sector
- Healthcare
- HQ
- Tokyo, Japan
- Founded
- 2017
- Employees
- 60
- Website
- bdotmed.co.jp/
- Ownership
- Privately Held (backing)
B.dot Medical doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in B.dot Medical shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on B.dot Medical in its N-PORT filings yet. We sweep new filings monthly.