S
Spiber
Engaged in the research of synthetic spider silk and other protein-based materials
At a glance
- Founded
- 2007
- Headquarters
- Tsuruoka-Shi, Japan
- Sector
- Fashion
- Power Law
- Unicorn$1–10B valuation tier
Latest news
Press, funding announcements and product moves mentioning Spiber.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series A1 investor entered at this stage
- MGMitsubishi UFJ Financial Group
Series B and later10 investors entered at this stage
- SESatake Chemical Equipment
- TBThe Yamagata Bank
- GOGoldwind
- FIFidelity International
- TCTokyo Century
- AMArcher Daniels Midland
- TGThe Carlyle Group
Baillie Gifford- CFCool Japan Fund
- KUKeio University
Ownership
Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.
Some investors are hidden on this public profile. See the full cap table on Dealroom →
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Patents
111 active patent families included in this estimate.
A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.
Market sentiment
An AI-synthesised read of the highest-engagement posts about Spiber on X, ranked by likes and reposts, corporate channels excluded.
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.

