What is Impulse Space?
Impulse Space is dedicated to transforming in-space mobility with its fleet of cost-effective, high-performance space vehicles, Helios and Mira. The Helios kick stage, powered by its Deneb engine, is engineered to unlock high-energy orbits, efficiently transporting payloads from Low Earth Orbit (LEO) to Medium Earth Orbit (MEO), Geostationary Orbit (GEO), and beyond to heliocentric and lunar trajectories. Complementing Helios, the flight-proven Mira vehicle offers precise maneuverability and rapid responsiveness for critical in-space operations such as hosting, payload deployment, and rendezvous and proximity operations (RPO) across any orbital path. Founded by industry veteran Tom Mueller and guided by a team of pioneers, Impulse Space is strategically positioned to meet the increasing demand for reliable and rapid transportation solutions in space.
How much funding has Impulse Space raised?
Impulse Space has raised a total of $525M across 5 funding rounds:
Angel/Seed
$20M
Other Financing Round
$10M
Series A
$45M
Series B
$150M
Series C
$300M
Angel/Seed (2022): $20M with participation from Founders Fund
Other Financing Round (2022): $10M led by Lux Capital
Series A (2023): $45M supported by Airbus Ventures, Lux Capital, and RTX
Series B (2024): $150M featuring Founders Fund, Alumni Ventures, Lux Capital, and RTX
Series C (2025): $300M backed by Lux Capital, Founders Fund, Linse Capital, and Valor Equity Partners
Key Investors in Impulse Space
Lux Capital
Lux Capital is a New York-based venture capital firm specializing in early-stage and growth-stage companies at the intersection of science and technology, backing founders in frontier areas such as AI, robotics, space, and advanced materials.
Founders Fund
Founders Fund invests in the world's most important and valuable companies across all geographies, sectors, and stages, with partners having a history of founding and funding major tech companies like SpaceX and Palantir.
RTX
RTX Corporation is a global aerospace and defense company providing systems and services for commercial, military, and government customers, with segments including Collins Aerospace and Pratt & Whitney, indicating a strategic interest in advanced aerospace technologies.
What's next for Impulse Space?
With its recent major strategic investment, Impulse Space is poised for accelerated expansion and technological maturation. The substantial capital infusion is expected to fuel the scaling of its operations, further development of its Helios and Mira vehicles, and the enhancement of its in-space mobility services. This funding will likely enable Impulse Space to solidify its market position, pursue new orbital capabilities, and potentially expand its customer base within the commercial, defense, and governmental sectors. The company's trajectory suggests a focus on achieving key milestones in orbital logistics and in-space servicing, positioning it as a critical enabler for future space exploration and commercialization.
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