Key facts
- Mjolnir Spaceworks’s last known valuation is $4.1M (Jul 2023).
- It has raised $3.7M; the latest was Early Stage VC ($2.7M) in Oct 2025.
- Notable investors include Mitsubishi UFJ Capital, Incubate Fund, UntroD, NEDO Entrepreneurs Program.
- Status: Privately Held (backing).
- ·The complete investor list — 4 names
- ·Watchlist + deal alerts for Mjolnir Spaceworks
- ·The full record, as it builds
Funding rounds
No funding rounds for Mjolnir Spaceworks are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Mjolnir Spaceworks
Manufacturer of hybrid rocket engines and propellant tanks designed for the mass production of rockets. The company's platform uses solid plastic fuel and a liquid oxidizer, which is safe and simple, enabling significant cost reduction and mass production, enabling consumers to experience the wonders of space travel and creating an era in which anyone can go to space.
- Sector
- Business Products and Services (B2B)
- HQ
- Sapporo, Japan
- Founded
- 2020
- Website
- mjolnir-sw.com/
- Ownership
- Privately Held (backing)
Mjolnir Spaceworks 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 Mjolnir Spaceworks 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 Mjolnir Spaceworks in its N-PORT filings yet. We sweep new filings monthly.