Ursa Major

● Verification pending Last updated: May 23, 2026 Data last verified: May 23, 2026

Ursa Major: $600M valuation, IPO Readiness 61, Series E. America's next-generation aerospace and defense propulsion company — building factory-manufactured rocket engi. Track live on The IPO Stack.

Series EAerospace & Defenseprivate
61
/100
IPO Readiness Score
Grade C — Moderate IPO Readiness
TechStackIPO proprietary score based on funding scale, valuation, stage progression & momentum.
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America's next-generation aerospace and defense propulsion company — building factory-manufactured rocket engines for hypersonics, solid rocket motors, and space mobility at industrial scale.

Valuation
$600M
Total Funding
$522M
Stage
Series E
Sector
Aerospace & Defense
Headquarters
Berthoud, CO
CEO
Dan Jablonsky
IPO Status
private

Funding History

Round Amount Date Lead Investors
Series E $100M Nov 2025 Eclipse
Series D-1 $38M Jan 2024 Explorer 1 Fund, Eclipse
Series D $100M Apr 2023 Explorer 1 Fund
Series C $85M Oct 2021 BlackRock
Series B $25.3M Sep 2020 Conconi Growth Partners
Series A $8M Jun 2019 Space Capital
Seed $15.5M Jan 2018 Space Capital, Alsop Louie Partners
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Track Ursa Major IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.

Frequently Asked Questions

When is Ursa Major going public? +

Ursa Major has not publicly announced IPO plans. Track TechStackIPO for the latest signals and subscribe to The IPO Stack for weekly updates.

What is Ursa Major's current valuation? +

Ursa Major is valued at $600M as of the most recent funding round. This valuation is based on its most recent private funding round tracked by TechStackIPO.

How can I invest in Ursa Major before IPO? +

Accredited investors can access Ursa Major shares through secondary market platforms, pre-IPO investment funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace tracks available access options. Note: pre-IPO investments carry higher risk and limited liquidity compared to public market investing.

What is Ursa Major's IPO Readiness Score? +

Ursa Major scores 61/100 (Grade: C) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.

How much total funding has Ursa Major raised? +

Ursa Major has raised $522M in total venture capital and private equity funding, with backing from Eclipse, Explorer 1 Fund, BlackRock.

Who are Ursa Major's key investors? +

Ursa Major's notable investors include Eclipse, Explorer 1 Fund, BlackRock, Conconi Growth Partners, Space Capital. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.

What sector is Ursa Major in? +

Ursa Major is a Aerospace & Defense company. America's next-generation aerospace and defense propulsion company — building factory-manufactured rocket engines for hy.

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