Series D extension · Space tech

Impulse Space adds $308m to Series D, bringing round total to $808m

The extension will support product development, team growth and manufacturing expansion.

Impulse Space raised $308 million in a Series D extension, bringing the Series D total to $808 million after the earlier $500 million financing.

Backers included 137 Ventures, BANNER VC, DFJ Growth, Linse Capital, Lux Capital and Valor Equity Partners. The company will continue product development, grow its team and expand manufacturing capabilities and facilities.

Use of funds

Support product development and team growth

Expand manufacturing capabilities and facilities

Funding history

Series D extension · This round$308M
Series D$500M

Sources

  1. Impulse Space Raises $308M in Series D Extension Fundingfinsmes.com · Sep 17, 2026
  2. The Week’s 10 Biggest Funding Rounds: Large Rounds For AI Infrastructure, Space Tech And Investment Management Leadnews.crunchbase.com · Sep 18, 2026
  3. Impulse Spaceprojectstartups.com