Investment+startup Brief — 2026-06-03

Posted on June 03, 2026 at 07:41 PM

Investment+startup Brief — 2026-06-03

Covering developments published in the 48h to 2026-06-03 19:41:11 (+0800).

Top Stories

1. Impulse Space raises $500 million Series D to scale in-space mobility

  • TechCrunch · 2026-06-02
  • Summary: Impulse Space announced a $500 million Series D to expand its in-space transportation business, with the round led by 137 Ventures and BANNER VC and backed by Founders Fund, Lux Capital, and Linse Capital. The company said it will use the capital to hire roughly 200 employees and accelerate development and testing of spacecraft including Mira and Helios.
  • Why It Matters: This is one of the largest recent space-tech financings and underscores how investor appetite is shifting toward dual-use aerospace platforms with defense and commercial satellite applications.
  • URL: https://techcrunch.com/2026/06/02/rocket-engine-startup-impulse-raises-500-million-to-hire-people-not-ai/

2. Mach Industries reaches $1.8 billion valuation in $300 million Series C

  • TechCrunch · 2026-06-01
  • Summary: Defense startup Mach Industries raised a $300 million Series C at a $1.8 billion valuation, led by Infinite Capital and Ribbit Capital, with participation from Bedrock Capital, Sequoia Capital, and Khosla Ventures. The company said the financing follows rapid growth in autonomous weapons programs, manufacturing footprint, and a new Defense Innovation Unit contract.
  • Why It Matters: The round highlights defense tech’s continued emergence as a top venture category outside AI, particularly for startups that can combine software speed with domestic manufacturing capacity.
  • URL: https://techcrunch.com/2026/06/01/defense-tech-darling-mach-industries-hits-1-8b-valuation-a-4x-jump-in-a-year/