The most active space startup investors
163 investors hold three or more space startups each, 579 portfolio startups in all. The most active here are Techstars (60), Y Combinator (53) and Seraphim Space (38). 32 of them are accelerators.
Investors backing startups worldwide
| Investor | Startups here | Portfolio rounds, 12 mo | Latest activity |
|---|---|---|---|
| 60 | 97 | Oct 2026 | |
| 53 | 254 | Oct 2026 | |
| 38 | 21 | Sep 2026 | |
| 28 | 155 | Nov 2026 | |
| 28 | 13 | Oct 2026 | |
| 20 | 60 | Oct 2026 | |
| HHelmholtzAccelerator · Germany · Mynaric, POLARIS Raumflugzeuge, HyImpulse | 18 | 9 | Oct 2026 |
| 15 | 35 | Oct 2026 | |
| 15 | 7 | Aug 2026 | |
| 13 | 30 | Oct 2026 | |
| 12 | 11 | Oct 2026 | |
| 11 | 13 | Oct 2026 | |
| 11 | 8 | Sep 2026 | |
| 11 | 5 | Aug 2026 | |
| 11 | 5 | Jun 2026 | |
| 11 | 1 | Mar 2026 | |
| 10 | 102 | Nov 2026 | |
| 10 | 55 | Oct 2026 | |
| 9 | 70 | Oct 2026 | |
| 9 | 19 | Oct 2026 | |
| 9 | 4 | Jun 2026 | |
| 8 | 53 | Nov 2026 | |
| 8 | 27 | Nov 2026 | |
| 8 | 21 | Oct 2026 | |
| 8 | 10 | May 2026 | |
| 8 | 9 | Oct 2026 | |
| 8 | 7 | Aug 2026 | |
| 8 | 2 | Apr 2026 | |
| 7 | 58 | Oct 2026 | |
| 7 | 47 | Nov 2026 | |
| 7 | 24 | Aug 2026 | |
| 7 | 17 | Oct 2026 | |
| AAmbitionVenture capital · SpaceX, True Anomaly, Loft Orbital | 7 | 12 | Oct 2026 |
| 7 | 8 | Sep 2026 | |
| SSpeciale InvestVenture capital · Agnikul Cosmos, The ePlane Company, InspeCity | 7 | 4 | Sep 2026 |
| 6 | 122 | Nov 2026 | |
| 6 | 83 | Oct 2026 | |
| 6 | 39 | Sep 2026 | |
| 6 | 38 | Oct 2026 | |
| 6 | 31 | Oct 2026 |
The most backed startups worldwide
| Startup | Investors in this list |
|---|---|
| 19 | |
| 12 | |
| 11 | |
| 10 | |
| 9 | |
| 9 | |
| 9 | |
| 8 | |
| 7 | |
| 7 | |
| 7 | |
| 7 | |
| 6 | |
| 6 | |
| 6 |
Raising a round?
Tell us about your startup once: Alion matches it to the investors that back companies like it and tells you when a fund starts backing startups in .
Questions
Who invests in space startups?
163 investors hold three or more space startups each, 579 portfolio startups in all. The most active here are Techstars (60), Y Combinator (53) and Seraphim Space (38). 32 of them are accelerators.
How is this list built?
From what each investor holds: the portfolio page it publishes, the Y Combinator directory and the announced rounds that name it. An investor counts for a sector when at least three of its portfolio companies are based there; the list is rebuilt every night from 2,414 portfolios.
