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Sierra Space Valued at $8 Billion as Investors Double Down on Defense ...

The $550 million Series C round led by LuminArx Capital will fund expanded production and national security projects amid growing Pentagon reliance on commercial space firms.

  • On March 5, Sierra Space announced it raised $550 million in a Series C funding round led by LuminArx Capital Management, valuing the privately held spacecraft manufacturer at about $8 billion.
  • Amid growing Pentagon demand, Sierra Space has expanded into defense as U.S. Defense Secretary Pete Hegseth recently visited under the Pentagon's 'Arsenal of Freedom' initiative.
  • Sierra Space plans to deploy the funds to expand production capacity in Louisville, Colorado, develop national-security lines, build missile-tracking satellites for the Space Development Agency, and prepare Dream Chaser for a late 2026 demonstration flight.
  • Existing backers participated in the round, including General Atlantic, Coatue, Moore Strategic Ventures and Andalusian Private Capital, supporting Sierra Space’s focus on national-security programs, the company said.
  • Shortly after naming Dan Jablonsky, chief executive officer, Sierra Space continues facing delays as Dream Chaser, its spaceplane, takes longer than expected to reach operations.
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Sierra Space snags $550M, valued at $8B as it pivots to national security work

·United States
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Reuters broke the news in United Kingdom on Thursday, March 5, 2026.
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