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Spiber株式会社

Spiber株式会社

Private
TsuruokaFrontier & Industrial Techhttps://spiber.inc/en

Last Round

Early Funding

Apr 12, 2024

Est. Valuation

$1.22B

Total Funding Raised

$733.55M

Company Overview

Spiber株式会社 is a biotechnology company that develops and produces Brewed Protein™, a novel structural protein material created through a proprietary fermentation process for use in various industries, including apparel and automotive.

Sector

Frontier & Industrial Tech

Verticals

Sustainable Materials, Advanced Materials, Biotechnology

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

Brewed Proteinsustainable materialsmicrobial fermentationsustainable textilessynthetic spider silkbiofabricationengineered proteinsbiomanufacturingprotein materialsanimal-free materialsnext-gen materialspetroleum-free materialsadvanced materialsprotein polymers

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Spiber株式会社 Comparables

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Spiber株式会社 comparables — related companies by embedding similarity
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AMSilk
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Spiber株式会社 Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Early FundingApr 12, 2024
DebtOct 28, 2021
DebtSep 8, 2021
DebtDec 29, 2020
Early FundingApr 2, 2020
Debt
Apr 23, 2019

Key People

Founding team and executive leadership

Yui Hiraoka

Chief Executive Officer

Executive Team

Spiber株式会社 Investors

Notable investors and investment history

Spiber株式会社 investors
InvestorRounds
JAFCO Group Co., Ltd.Series A, Series B
Keio UniversityEarly Funding
MUFG BankDebt
Tsuruoka Shinkin BankDebt
Fidelity Management & Research CompanyDebt
The Carlyle GroupDebt
GOLDWIN Inc.Early Funding

Market signals

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  • Nov 1, 2025

    Participating in the Tsuruoka Science Park Festival 2025 on November 1, 2025.

  • Oct 2, 2025

    Participated in the Osaka-Kansai Expo's 'Voyage to the Future' program.

Spiber株式会社 Filings

SEC and related filings with document metadata.

Data table
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Spiber株式会社 Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersTsuruoka
Employee Range82
Year Founded2007
Last FundingApr 12, 2024

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