Sierra Space has raised $2.8B across 3 funding rounds, plus 1 undated round. The latest round valued Sierra Space at $8B post-money, with LuminArx Capital Management on the lead line.
Sierra Space raised a $1.4 billion Series A in 2021 that valued it at $4.5 billion, then a $550 million Series C round led by LuminArx Capital Management in March 2026 that pushed its valuation to about $8 billion.
3 funding rounds, the latest highlighted.
Sierra Space was founded in 2021, United States.
No date is disclosed for this round.
A primary round — the company sells new shares to investors it selects. $290M raised.
A primary round — the company sells new shares to investors it selects. $550M raised, led by LimunArx Capital Management.
Existing holders also participated. $550M raised, led by LuminArx Capital Management.
No filing has been made.
3 dated rounds, newest first.
General Atlantic
CoatueMMoore Strategic VenturesAAndalusian Private CapitalThe closest aerospace / commercial spaceflight and defence peers are on the competitors page.
The routes section explains what is realistically available for a company at this stage.
No. Sierra Space is a private company; its shares do not trade on a public exchange.
The last valuation is $8B (post-money, Mar 2026).
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