Impulse Space
Impulse Space develops spacecraft and propulsion systems that provide transportation and mobility services for payloads operating in space. The company focuses on moving, deploying, and hosting payloads across a range of orbital destinations, including low Earth orbit, geostationary orbit, and other deep-space trajectories. Its vehicle portfolio includes Mira, a spacecraft designed for payload hosting, deployment, and orbital maneuvers, and Helios, a transfer vehicle intended to transport larger payloads between orbits. Impulse Space designs, manufactures, and tests much of its hardware in-house, covering spacecraft systems, propulsion components, and mission integration. The company supports commercial, civil, and government missions by providing in-space transportation and logistics capabilities after launch.
Founded by Tom Mueller (Founder, CEO and CTO)
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series D | Sep 16, 2026 | $308M | $5.4B |
| Series D | Jun 2, 2026 | $500M | $4.3B |
| Series C | Jun 3, 2025 | $300M | — |
| Series C | Jun 1, 2025 | $250M | $1.8B |
| Series B | Oct 1, 2024 | $150M | $488.4M |
- FFFounders Fund
- 1V137 Ventures
- RVRTX Ventures
- LCLux Capital
- AVAlumni Ventures
- AVAirbus Ventures
- TGTamarack Global
- VEValor Equity Partners
- BSBalerion Space Ventures
- SVSilent Ventures
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $5.6B | — | Sep 29, 2026 |
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Data as of Oct 14, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.
