Stellar Alpina
Zurich-based SpaceTech startup developing compact rotating detonation rocket engines (RDREs) to make movement between orbits faster, smaller, and more efficient
Stellar Alpina has raised €4.0M across 2 funding rounds from 4 investors, most recently a round in Sep 2026. Based in Zurich, Switzerland; active in Space. Data as of 28 Oct 2026.
Zurich, Switzerlandstellar-alpina.ch ↗
Total raised
€4.0M
€3,959,490
Funding rounds
2
Investors
4
distinct backers
Active since
2026-05
latest 2026-09
Funding by year
EUR raised per year · 2026 YTDStellar Alpina — funding by year — interactive chart.
Data table
| Stellar Alpina — funding by year | |
|---|---|
| 2026 | €4.0M |
Signals
High confidenceRaise-next likelihood11
base rate 30% for Other
- ▼ Raised very recently
- ▼ Down/flat last round
- ▼ Low backer re-investment
Exit likelihood11
base rate 11% (2+ rounds)
- ▼ Young (<3y)
- ▲ Recent equity round, but funding momentum is down (may be rescue financing)
Timing: too soon vs cohort gap · momentum down. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
2 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-09-04 | Other | €159k | Venture Kick | View deal → |
| 2026-05-28 | Pre-Seed | €3.8M | Founderful,LP&E,strategic investors | View deal → |
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