Louisville, CO · Founded 1978 · Privately Held (backing)
Developer and manufacturer of space transportation systems designed for commercial, Department of Defense (DoD), and national security organizations. Sierra Space is based in Louisville, CO and was founded in 1978. It was valued at $8 billion at its growth round in Mar 2026, the last priced event on record. It has raised $2.3 billion across 3 recorded rounds; the latest was a $550 million later-stage round in Mar 2026.
PMV mark · valuation
$8.0B
Oct 2026
Priced at
its growth round
Mar 2026
Total raised
$2.3B
Last round
Later Stage VC
Mar 2026
Team — not yet on record
No current team members for Sierra Space are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·Watch Sierra Space: the Monday email on marks, rounds and moves
