Key facts
- It has raised $32.6M; the latest was Secondary Transaction - Private in Mar 2025.
- Notable investors include J-Startup, K4 Ventures, Canon Electronics, JR West Innovations, Nabtesco Technology Ventures — 8 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 8 names
- ·Watchlist + deal alerts for Space One
- ·The full record, as it builds
Funding rounds
No funding rounds for Space One are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Space One
Developer of small rockets and related equipment intended to lower the cost of access to space through specialized rockets and launch facilities. The company's rockets provide a competitive mission integration schedule from contract to launch and a fast launch frequency, enabling aerospace businesses to lower the cost of access to space and expand the scope of space-related business.
- Sector
- Business Products and Services (B2B)
- HQ
- Tokyo, Japan
- Founded
- 2018
- Employees
- 50
- Website
- space-one.co.jp/
- Ownership
- Privately Held (backing)
Space One 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 Space One 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 Space One in its N-PORT filings yet. We sweep new filings monthly.