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Sierra Space Raises $550 Million at $8 Billion Valuation to Scale Defense and Intelligence Space Programs

Investors are backing the company’s shift toward U.S. national‑security programs over purely commercial work.

Overview

  • LuminArx Capital Management led the Series C, with participation from existing backers including General Atlantic, Coatue, Moore Strategic Ventures and Andalusian Private Capital.
  • Sierra Space says the funds will expand production capacity and accelerate execution on government space missions, with new facilities and high‑rate manufacturing in Colorado cited as priorities.
  • The company highlights a $450 million award to build more than four satellites for a national‑security customer and an SDA contract worth up to $740 million for 18 missile warning and tracking satellites.
  • Dream Chaser, the reusable spaceplane developed under a NASA cargo program, is targeting a demonstration flight in late 2026 as the company explores both civil and national‑security uses.
  • The financing follows leadership changes with defense veteran Dan Jablonsky named CEO, lifting Sierra Space’s valuation from $5.3 billion in 2023 and pushing total capital raised since 2021 above $2 billion.