Sierra Space closes $550M Series C at $8B post-money valuation
Sierra Space closed a $550 million equity Series C led by LuminArx Capital, valuing the defense-space company at $8 billion post-money and taking capital invested since 2021 above $2 billion.
Why it matters
The financing funds national-security space production and advances Sierra Space satellite and Dream Chaser programs while establishing a confirmed $8 billion private-market benchmark.
Evidence notes
- LuminArx Capital led the equity Series C with participation from existing investors.
- The financing set an $8 billion post-money valuation and lifted capital invested since 2021 above $2 billion.
- Capital is intended to expand national-security space production capacity and advance satellite and Dream Chaser programmes.