B.dot Medical key facts
as of Oct 2026- Developer of a medical device system designed to make proton cancer treatment more accessible by reducing the size and cost of conventional systems.
- B.dot Medical is valued at approximately $66.5M as of Oct 2026 (last reported valuation).
- 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).
B.dot Medical's last reported valuation, Oct 2025. Nothing priced has surfaced since.
- ·The complete investor list: 11 names
- ·Watch B.dot Medical: the Monday email on marks, rounds and moves
B.dot Medical 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.
Who backs B.dot Medical
11+Membership and data by Private Market View
B.dot Medical valuation
B.dot Medical's last reported valuation was $66.5 million in Oct 2025. No priced round, secondary trade or fund mark has surfaced since.
B.dot Medical investors
11 investors are on record for B.dot Medical, including MedTech Innovator, Mitsubishi UFJ Capital, Keio Innovation Initiative and JA Mitsui Leasing.
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)
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