Diligence memo · auto-generated · as of July 2, 2026
Sierra Space Corp
Sierra Space Corp has raised $2.0B over 3 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Sierra Space Corp operates in Defense, based in Louisville. Sierra Space is a Defense Tech leader developing satellites, subsystems, spaceplanes, hypersonics & infrastructure for national security.
Sub-sector tags: climate/cleantech, defense, space/aerospace.
Capital & rounds (filed)filed
Sierra Space Corp has raised $2.0B in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Growth/Late (a round over $400M).
Largest single filing: $1.4B on 2021-12-01.
Most recent recorded round closed around 2026-03-02.
Valuation (modeled)modeled
Provath models Sierra Space Corp at approximately $5.5B (range $4.5B–$5.9B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 6 months.
Last raise 4 mo ago; this sector typically re-raises about every 11 months.
Raising on or ahead of the sector's normal rhythm.
The last round stepped up 18.0× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 98% of Defense peers (61 compared).
Modeled value ranks above 98% of those peers.
Closest niche peers: World View Enterprises Inc..
Peoplefiled
16 named people on file across officers, directors and signatories.
Risks & flagsmixed
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.