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MJOLNIR SPACEWORKS Co., Ltd.

MJOLNIR SPACEWORKS Co., Ltd.

Private
SapporoFrontier & Industrial Techhttps://mjolnir-sw.com/

Last Round

Series B

May 29, 2026

Total Funding Raised

$11.1M

Company Overview

MJOLNIR SPACEWORKS Co., Ltd. is a hardware company that develops and manufactures hybrid rocket engines and weldless fuel tanks with the goal of mass-producing rockets.

Sector

Frontier & Industrial Tech

Verticals

Space Technology, Smart Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

hybrid rocket enginesrocket propulsionweldless fuel tanksaerospace componentsseamless tanksspace supply chainNewSpacerocket manufacturingmass productionspace accessJAXA contractordeep techB2G aerospace

Historical Pricing

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MJOLNIR SPACEWORKS Co., Ltd. Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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MJOLNIR SPACEWORKS Co., Ltd. Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Series BMay 29, 2026

Key People

Founding team and executive leadership

Kazuo Yonekura

CEO

Executive Team

MJOLNIR SPACEWORKS Co., Ltd. Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 29, 2026

    $11M round with participation from Incubate Fund and Z Venture Capital.

  • Sep 3, 2025

    Grew 29% QoQ, from 14 to 18 employees.

MJOLNIR SPACEWORKS Co., Ltd. Filings

SEC and related filings with document metadata.

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MJOLNIR SPACEWORKS Co., Ltd. Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSapporo
Employee Range18
Year Founded2020
Last FundingMay 29, 2026

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