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Startup · United States

Ursa Major

HQ BerthoudFounded 2015

Colorado-based propulsion company producing additively manufactured solid rocket motors and liquid engines.

StartupPrototypeSolid rocket motor manufacturing
Website
Total raised
~$723M
10 rounds
Last round
$350M
SPAC · Aug 25, 2026
Systems
4
Most mature: development
Capabilities
1
Mentions
3
Latest Oct 5, 2026

News3

Open in the news feed →

Funding10 rounds · ~$723M

Equity raised
~$723M
Debt, secondaries & grants
$50.0M
Latest
$350MSPAC · Aug 25, 2026
Last valuation
$2.30BPost-money · SPAC · Aug 25, 2026
Cumulative raised$723M
Jun 23, 2017Aug 25, 2026
Valuation over time$2.30B · Aug 25, 2026
Valuation over timeReported valuation rose from $7.0M (Jun 23, 2017) to $2.30B (Aug 25, 2026) across 8 valued rounds. 7 post-money, 1 pre-money.
Valuations by round
AnnouncedStageValuationBasis
Jun 23, 2017Seed$7.0MPost-money
Nov 17, 2017Series A$27.2MPost-money
Jun 18, 2019Series B$75.1MPost-money
Dec 29, 2020Series B$108MPost-money
Dec 7, 2021Series C$382MPost-money
Apr 25, 2023Series D$400MPre-money
Nov 18, 2025Series E+$600MPost-money
Aug 25, 2026SPAC$2.30BPost-money

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems4

HAVOC (Ursa Major)

Low-cost hypersonic missile system from Ursa Major.

Development
Unveiled
Feb 24, 2026

Draper

A storable, throttleable liquid rocket engine used for tactical hypersonics, missile defense, and space propulsion.

Maturity not rated

Hadley

A liquid rocket engine that powers hypersonic and small launch missions.

Maturity not rated

HAVOC Missile System

A complete hypersonic missile system powered by Ursa Major’s Draper liquid rocket engine and in‑house solid rocket motors.

Maturity not rated

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Capabilities1

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

Supply Chain1 input · 2 facilities

Produces, processes or develops1

  • Solid rocket motors
    Develops
    Additively manufactured SRMs (Lynx), including 2.75-inch and MK 104 motors.
    CriticalReported

Facilities2

  • Berthoud headquarters
    Headquarters · Berthoud, Colorado, United States
    Operating
    Confirmed
  • Longmont manufacturing facility
    Factory · Longmont, Colorado, United States
    Operating · 2026
    Confirmed

People2

All 2 people →
  • Joe Laurienti

    Founder

  • Dan Jablonsky

    Chief Executive Officer

Sources25

Show all 25 sources and supporting evidence

Profile3

  1. 1
    CompanyUrsa Major and US Navy Make $25 Million Joint Investment in New Solid Rocket Motor Manufacturing Process

    Ursa Major · Sep 18, 2024 · Supports Organization

    “The OSC announced the $12.5 million joint investment contract in partnership with the US Navy to mature Ursa Major's Lynx solid rocket motor (SRM) manufacturing process.”
  2. 2
    OtherUrsa Major - Black Flag Job Board

    Black Flag · Supports Organization

    “This company designs and manufactures high-performance propulsion and defense systems—including rocket engines and solid rocket motors—for land, air, sea, and”
  3. 3
    CompanyFly Faster | Ursa Major

    Ursa Major · Supports Organization · name

    “Fly Faster | Ursa Major”

Systems2

  1. 4
    CompanyIntroducing the Ursa Major HAVOC Missile System

    Ursa Major · Feb 24, 2026 · Supports System

    “Unveiled today is the “Ursa Major HAVOC Missile System,” a complete hypersonic capability designed to deliver high-speed, affordable mass at scale to meet urgent warfighter requirements”
  2. 5
    CompanyHypersonics

    Ursa Major · Supports System

    “## Hadley: Flight proven hypersonic propulsion Hadley is a liquid rocket engine powering hypersonic and small launch missions.”

Technologies1

  1. 6
    CompanyUS Navy Awards Ursa Major MK 104 Development Contract

    Ursa Major · Jul 15, 2026 · Supports Organization input, Organization technology

    “The U.S. Navy has awarded Ursa Major a $10 million development contract to advance the company's MK 104 design through critical design review and static fire.”

Funding15

  1. 7
    OtherUrsa Major — founded year

    Wikipedia · Oct 6, 2026 · Supports Funding round, Organization · founded year

    “In 2017, Ursa Major raised US$8 million with participation from the Space Angels Network”
  2. 8
    DatabaseUrsa Major - Forge company profile

    Forge · Oct 6, 2026 · Supports Funding round · amount, Funding round · post money valuation usd

    “06/23/2017 Series Seed $1.4M $1.09 $7M Undislosed Investors”
  3. 9
    CompanyHypersonics and Critical Munitions Company Ursa Major to Go Public

    PR Newswire · Aug 25, 2026 · Supports Funding round · amount, Funding round · post money valuation usd

    “The transaction is supported by at least $350 million of PIPE commitments, of which approximately $110 million will be funded at signing of the business combination agreement.”
  4. 10
    CompanyUrsa Major Raises $100 Million, Closes Series E

    Ursa Major · Nov 18, 2025 · Supports Funding round, Funding round · amount, Organization

    “Eclipse, who led the round”
  5. 11
    CompanyUrsa Major Raises $100 Million to Scale Hypersonics, Solid Rocket Motors and Space Mobility

    Ursa Major · Nov 18, 2025 · Supports Funding round · amount

    “BERTHOUD, CO – Nov 18, 2025 – Ursa Major today announced that it closed $100 million in its Series E funding round and received an additional $50 million in debt funding commitments.”
  6. 12
    NewsAerospace Startup Ursa Major Valued at $600 Million With New Funding

    Bloomberg · Nov 18, 2025 · Supports Funding round · post money valuation usd

    “landed a $600 million valuation in a new funding round”
  7. 13
    NewsUrsa Major Rockets Up Latest Raise To $138M

    Crunchbase News · Nov 30, 2023 · Supports Funding round · amount

    “says it has added another $38 million to its previously reported $100 million Series D”
  8. 14
    CompanyUrsa Major Raises $138 Million to Introduce Solid Rocket Motor Line and Scale Rocket Propulsion for Space and Hypersonic Applications

    PR Newswire · Nov 30, 2023 · Supports Funding round

    “closed $138 million in its Series D and D-1 funding rounds. The investments were led by Explorer 1 Fund and Eclipse”
  9. 15
    NewsRocket engine startup Ursa Major quietly closed $100M in new funding

    TechCrunch · Apr 25, 2023 · Supports Funding round · amount, Funding round · post money valuation usd

    “Ursa Major has quietly closed $100 million in new funding, according to documents viewed by TechCrunch and multiple sources.”
  10. 16
    NewsUrsa Major raises $85M to disrupt the vertically integrated launch sector

    TechCrunch · Dec 7, 2021 · Supports Funding round · amount

    “an $85 million Series C led by funds and accounts managed by BlackRock”
  11. 17
    CompanyUrsa Major Raises $85 Million in Series C Funding

    Ursa Major · Dec 7, 2021 · Supports Funding round · amount

    “BERTHOUD, Colo.—Dec. 7, 2021—Next Generation propulsion company Ursa Major announced $85 million in Series C funding today.”
  12. 18
    Regulatory filingURSA MAJOR TECHNOLOGIES, INC. - SEC Form D (0001723727-21-000003)

    U.S. Securities and Exchange Commission · Jan 12, 2021 · Supports Funding round · amount

    “Total Amount Sold $15,009,194 USD”
  13. 19
    Regulatory filingURSA MAJOR TECHNOLOGIES, INC. - SEC Form D (0001723727-20-000003)

    U.S. Securities and Exchange Commission · Nov 18, 2020 · Supports Funding round · amount

    “Total Amount Sold $25,294,147 USD”
  14. 20
    NewsBerthoud rocket builder Ursa Major raises additional $9.8M

    Longmont Times-Call · Nov 18, 2020 · Supports Funding round

    “Ursa Major Technologies Inc. closed out a long-running $25.26 million round by raising an additional $9.8 million in recent days.”
  15. 21
    Regulatory filingURSA MAJOR TECHNOLOGIES, INC. - SEC Form D (0001723727-17-000001)

    U.S. Securities and Exchange Commission · Nov 28, 2017 · Supports Funding round · amount

    “Total Amount Sold $8,025,776 USD”

Supply chain2

  1. 22
    CompanyUrsa Major Opens New Longmont Manufacturing Facility

    Ursa Major (PR Newswire) · Aug 20, 2026 · Supports Facility

    “Headquartered in Berthoud, Colorado, with additive manufacturing operations in Youngstown, Ohio”
  2. 23
    NewsExclusive: Ursa Major Snags $10M Navy Contract for MK 104 Rocket Engines

    Tectonic · Jul 15, 2026 · Supports Organization, Organization input

    “Lynx, Ursa's proprietary manufacturing system, uses metallic 3D printing and other technologies to produce different SRM systems on the same production line.”

People2

  1. 24
    CompanyUrsa Major Appoints Dan Jablonsky as CEO

    Ursa Major (PR Newswire) · Aug 1, 2024 · Supports Role

    “Jablonsky has been appointed Chief Executive Officer effective August 5, 2024.”
  2. 25
    CompanyAbout Us

    Ursa Major · Supports Role

    “Founded in 2015 by former SpaceX and Blue Origin propulsion engineer Joe Laurienti”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.