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Ursa Major

Ursa Major

Private
Berthoud, ColoradoFrontier & Industrial Techhttps://ursamajor.com/

Last Round

Series E

Nov 18, 2025

Est. Valuation

$600M

Total Funding Raised

$399.51M

Company Overview

Ursa Major is an aerospace and defense company that manufactures turnkey propulsion systems for microsatellite vehicles and hypersonic applications.

Sector

Frontier & Industrial Tech

Verticals

Space Technology, Defense Tech, 3D Printing

Business Model

B2G

Customer Profile

Government Contracts, Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

rocket enginesrocket propulsionpropulsion systemsliquid rocket enginessolid rocket motorsSRMshypersonic propulsionadditive manufacturingmerchant engine supplierspace propulsiondefense propulsionreusable rocket enginesoxygen-rich staged combustionspace launchin-space propulsionmissile defensedefense industrial baserocket engine 3D printing

Historical Pricing

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Caplight Momentum Score

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Ursa Major Comparables

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Ursa Major comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Firehawk Aerospace
81%
X-Bow Systems
80%
Vast Space
78%

Ursa Major Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series ENov 18, 2025
Series D ExtensionNov 30, 2023
Series DApr 26, 2023
Series CDec 7, 2021
Series B ExtensionDec 29, 2020
Series B
Jul 1, 2019

Key People

Founding team and executive leadership

Christopher Spagnoletti

Chief Executive Officer

Executive Team

Ursa Major Investors

Notable investors and investment history

Ursa Major investors
InvestorRounds
Conconi Growth PartnersSeries B Extension
Principia GrowthSeries E
XNSeries E, Series D, Series D Extension, Series C
Dolby Family VenturesSeries C, Series A
Lockheed Martin VenturesSeries C
Marc Bell CapitalSeries B Extension
Mack & CoSeries D, Series D Extension

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 13, 2026

    Developing multiple new modular engine systems leveraging additive manufacturing.

  • Mar 13, 2026

    Partnering with all major branches of the US military for new modular engine systems.

Recent news

Latest coverage and updates

  • merges_withAug 29, 2026

    Ursa Major will merge with Bleichroeder on Jul 1st '27.

  • has_valuationAug 26, 2026

    Ursa Major had valuation of $1.6B on Aug 25th '26.

  • receives_financingAug 26, 2026

    Ursa Major received financing of $350M in committed private investment on Aug 25th '26.

  • goes_publicAug 25, 2026

    Ursa Major plans to go public on Jul 1st '27.

  • expands_facilitiesAug 24, 2026

    Ursa Major expanded facilities to Colorado, United States, Northern America, Americas on Aug 24th '26.

Ursa Major Filings

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Ursa Major filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Ursa Major's valuation, stock price, and market status.

Is Ursa Major a public or private company?

Ursa Major is a private company.

What is the current stock price of Ursa Major?

Ursa Major is a private company with no public stock price. No recent secondary market data is available.

How much is Ursa Major worth (valuation)?

Ursa Major's valuation is estimated at $600.0M based on funding round data.

Can I buy Ursa Major stock?

Ursa Major shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Ursa Major's last funding round?

Ursa Major's most recent funding round was Series E on November 18, 2025.

Who are the main investors in Ursa Major?

Key investors in Ursa Major include Explorer 1 Fund, BlackRock, Alpha Edison.

Will Ursa Major IPO soon?

No public IPO plans have been announced for Ursa Major.

How can I track Ursa Major secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Ursa Major's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersBerthoud, Colorado
Employee Range317
Year Founded2015
Last FundingNov 18, 2025

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