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Spiber株式会社

Spiber株式会社

Private
TsuruokaEnergy & Sustainabilityhttps://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

Energy & Sustainability

Verticals

Biotechnology, Advanced Materials, Sustainable Materials, Fashion & Beauty

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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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

Structured signals derived from secondary market and firmographic data.

  • 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

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Spiber株式会社 filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Spiber株式会社's valuation, stock price, and market status.

Is Spiber株式会社 a public or private company?

Spiber株式会社 is a private company.

What is the current stock price of Spiber株式会社?

Spiber株式会社 is a private company with no public stock price. No recent secondary market data is available.

How much is Spiber株式会社 worth (valuation)?

Spiber株式会社's valuation is estimated at $1.2B based on funding round data.

Can I buy Spiber株式会社 stock?

Spiber株式会社 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 Spiber株式会社's last funding round?

Spiber株式会社's most recent funding round was Early Funding on September 8, 2021.

Who are the main investors in Spiber株式会社?

Key investors in Spiber株式会社 include MUFG Bank, The Carlyle Group.

Will Spiber株式会社 IPO soon?

No public IPO plans have been announced for Spiber株式会社.

How can I track Spiber株式会社 secondary market activity?

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

Firmographic Details

HeadquartersTsuruoka
Employee Range81
Year Founded2007
Last FundingApr 12, 2024

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