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Impulse Space Raises $500M at $4.26B Valuation

June 2, 2026

2 min read

Key Takeaways

Impulse Space raises $500 million in Series D funding.
Company valued at $4.26 billion.
Funding led by 137 Ventures and Banner VC.
Impulse develops orbital transfer vehicles and propulsion systems.

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Strategic Implications

This investment may indicate growing investor confidence in space infrastructure beyond launch rockets. The surge in space investing suggests a shift in focus towards orbital logistics and satellite services, which could benefit startups founded by former SpaceX executives and engineers.

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What Happened

Space Investing Surges as Satellite Deployments Accelerate

Impulse Space, a startup founded by SpaceX’s first employee Tom Mueller, has raised $500 million in a Series D funding round, valuing the company at $4.26 billion. The funding round, co-led by 137 Ventures and Banner VC, highlights strong investor appetite for companies building infrastructure for the next phase of the commercial space economy. Impulse develops orbital transfer vehicles and propulsion systems designed to move satellites more quickly once they are already in space. The company has flown three missions so far and secured hundreds of millions of dollars in customer contracts. This development was first reported by Reuters.

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