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Spiber

Fashion · Tsuruoka-Shi, Japan · Founded 2007 Unicorn

Engaged in the research of synthetic spider silk and other protein-based materials

Valuation
$1–2.5B
Latest valuation · 2026
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Revenue
$1–10M
Latest reported FY
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Headcount
<100
Current team size
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Investors

11 investors on Spiber's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series A 1 investor entered at this stage
Mitsubishi UFJ Financial Group
Series B+ 10 investors entered at this stage
The Carlyle Group
Tokyo Century
Archer Daniels Midland
Cool Japan Fund
Keio University
The Yamagata Bank
Fidelity International
Satake Chemical Equipment
Goldwind
Baillie Gifford

Ownership

Who owns Spiber

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.

28.5% The Carlyle Group

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Global footprint

Where Spiber has talent and traffic

Workforce by country
5 countries with
team presence
🇯🇵 Japan70.1%
🇹🇭 Thailand12.9%
🇫🇷 France7.8%
🇺🇸 United States7.4%
🇮🇹 Italy1.8%
5 countries shown
Web traffic by country
17K monthly visits
across markets
🇯🇵 Japan61.2%
🇬🇧 United Kingdom11.8%
🇺🇸 United States11.2%
🇮🇳 India8.2%
🇹🇭 Thailand4.7%
Top 5 markets shown

Talent graph

The shape of Spiber's talent

Dealroom maps Spiber's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

18 standout operatorsDealroom-flagged across the org
DimensionScore
AI Talent Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
Book a demo to unlock Spiber's exact scores

Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

Patent intelligence

$32M patent portfolio · 110 active families

Estimated portfolio value
$32M
2.7% of valuation · 1.7× smaller than top peer Cathay Industrial Biotech ($54M)
110 active patent families
Where Spiber innovates Polymer scienceProteinPolymer chemistryMolecular biologyProtein fiber

Where Spiber concentrates vs peers

Each axis is a top-10 topic across Spiber and its closest peers. #1 = 100, #10 = 10, absent = 0.

Compare against

Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.

Market sentiment

What the market is saying about Spiber

An AI-synthesized read of the highest-engagement posts about Spiber on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Spiber on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.