Impulse Space

Impulse Space announced $500M in Series D financing on June 3, 2026. Impulse Space raised a $500 million Series D co-led by 137 Ventures and BANNER VC to build in-space mobility infrastructure.

Round details

The financing includes backing from 137 Ventures, BANNER VC, Founder’s Fund, Lux Capital, Linse Capital. The company did not publish a valuation with the announcement.

• Round: Series D
• Capital announced: $500M
• Total funding reported: $1B+

How the company plans to use the capital

Impulse Space said the funding will support hiring and manufacturing growth as it scales its effort to build in-space mobility infrastructure, meaning the vehicles, propulsion systems, and operational architecture that determine where and how spacecraft move after launch.

Why this matters for GTM teams

The round was co-led by 137 Ventures and BANNER VC and is directed at in-space mobility infrastructure, which Impulse Space describes as the vehicles, propulsion systems, and operational architecture that determine where and how spacecraft move after launch.

Fresh capital is often an operational signal rather than a buying signal by itself. Teams should validate the company’s hiring pattern, product launches, geographic expansion, and technology priorities before choosing the message and timing of outreach.

Source and methodology

This report is based on the company’s announcement and records the disclosed amount, round, investors, location, and stated use of funds. SalesTools Research does not estimate undisclosed valuation or revenue figures.

Primary source: Impulse Space Series D announcement.