Last mentioned: Mar 5, 2026
Series C Funding
Sierra Space raises $550 million at an $8 billion valuation to focus on defense.
Series B Funding
Company secures $290 million to continue Dream Chaser development.
Series A Funding
Sierra Space raises $1.4 billion, the largest aerospace Series A at the time.
Sierra Space has raised $550 million in a Series C funding round, boosting its valuation to $8 billion as it shifts its strategic focus toward defense and national security. The capital infusion will accelerate the company's efforts to become a primary contractor for the U.S. government's space-based defense initiatives.
Sierra Space has closed a $550 million Series C funding round, bringing its valuation to $8 billion as it aggressively pivots toward US national security and defense contracts. The capital injection will support the company's transition from a commercial space player to a primary defense contractor.