Impulse Space

$808M raised across 2 rounds tracked here. Latest: Series D, $308M on 16 September 2026.

Rounds 2

Series D, 16 September 2026$308M

Impulse Space announced a $308 million Series D extension to fund product development and team growth for commercial, civil, and government customers.

Amount
$308M
Stage
Series D
Announced
16 September 2026
Investors
137 Ventures, BANNER VC, DFJ Growth, Linse Capital, Lux Capital, Valor Equity Partners
Use of funds
The additional capital will support ongoing product development and team growth as Impulse expands its capabilities to serve commercial, civil, and government customers.
Checked
Announced by the company

Round, 2 June 2026$500M

Impulse Space raised $500 million at a $4 billion valuation.

Amount
$500M
Announced
2 June 2026
Leads
137 Ventures, BANNER VC
Use of funds
The funding will support hiring and manufacturing growth as the company scales its effort to build in-space mobility infrastructure
Total raised
$1B to date
Valuation
$4.3B
Checked
Amount and date matched across 3 press sources

Company

Builds spacecraft and propulsion systems for in-space transportation

Based in
Redondo Beach, United States
Sector
Robotics & Hardware
Website
impulsespace.com ↗

Founder

Sources and links

Sources
Impulse Space Announces $308 Million Series D Extension to Meet Increasing Demand for In-Space Mobility globenewswire.com, 16 September 2026
Startup Impulse Space Raises $500 Million, Valued at $4 Billion - Bloomberg.com news.google.com, 2 June 2026
Impulse Space raises $500 million at $4.26 billion valuation as space investing surges - Reuters news.google.com, 2 June 2026
Rocket engine startup Impulse raises $500 million to hire people, not AI - TechCrunch news.google.com, 2 June 2026
Website
impulsespace.com ↗
LinkedIn
Tom Mueller ↗
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