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 €3.8M across 1 funding round from 3 investors, most recently a Pre-Seed round in May 2026. Based in Zurich, Switzerland; active in Space. Data as of 7 Aug 2026.
Timing: too soon vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-05-28 | Pre-Seed |
| €3.8M |
| Founderful ,LP&E,strategic investors |
| View deal → |
