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Bolt Threads

Energy · Berkeley, United States · Founded 2009

Materials company that invents and scales materials that put the planet on a path towards a better future MoreLess

Bolt Threads is a material solutions company that operates in the fashion and beauty industries. The company's primary focus is on creating innovative, sustainable materials inspired by nature. They have developed a unique bio-based leather alternative made from mycelium, the root-like system of fungi, which is less harmful to the environment. This material, known as Mylo, has sparked a "mushroom leather" movement and has been backed by leading brands such as adidas, lululemon, and Stella McCartney.

Bolt Threads operates in a market that is increasingly conscious of environmental sustainability. The company collaborates with world-class brands and supply chain partners to bring their products to market. Their business model is centered on re-engineering the manufacturing process of textiles, one of the most polluting industries on the planet, to reduce the long-term environmental impact of materials. By doing so, they aim to create a better world for both people and the environment.

The company generates revenue by selling their innovative materials to fashion and beauty brands. They also likely earn income from partnerships and collaborations with these brands. Bolt Threads is on a mission to change the way materials are made, promoting a more sustainable future.

Keywords: Material Solutions, Sustainable, Bio-Based Leather, Mycelium, Fashion Industry, Beauty Industry, Environmental Impact, Innovative Materials, Collaborations, Manufacturing Process.

Company overview

Bolt Threads company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2009
Headquarters
Berkeley, United States
Employees
36
Open positions
None listed
Dealroom signal
66.0
Investment activity
1 companies · latest Jul 2017
Capital deployed
Preferred round
ACQUISITION
client focusb2btechnologyDeep Techbusiness modelManufacturingsectorRecyclingindustryFashionsectorBiotechnologysectorSynthetic BiologysectorSpinoutsectorAlternative ProteinsectorSustainable Development GoalssectorPolymerssectorMycelium TechnologysectorMacro-NutrientssectorIndustrial Technology

Valuation & funding

Bolt Threads funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
PRIVATE PLACEMENT NON VCOther financing Aug 2025 $4.3M Undisclosed
SPAC IPOOther financing Aug 2024 $250M $250M Golden Arrow Merger Corp
SERIES EOther financing Sep 2021 $253M $1.1B Undisclosed
SERIES DOther financing Jan 2018 $123M $492M Formation 8 · Temasek · Allen & Company · Fidelity Investments
SERIES COther financing May 2016 $50M $200M LeFrak · Founders Fund · Foundation Capital · Alafi Capital
SERIES BOther financing Jun 2015 Formation 8 · East West Capital Limited · Foundation Capital · Mission Bay Capital
SERIES AOther financing Nov 2014 Foundation Capital · Silicon Valley Bank · Mission Bay Capital · Zygote Ventures
EARLY VCOther financing May 2014 Undisclosed
GRANTOther financing Mar 2012 US National Science Foundation
SPINOUTOther financing Aug 2009 University of California, San Francisco
Showing 10 recorded eventsUnlock the complete deal history →

Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $9M +100% 46
2025 $4.5M 46
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Bolt Threads website traffic

Latest recorded traffic for Bolt Threads is 790 monthly website visits, down 93.9% over the last three months. Bolt Threads's team declined 21.7% over the past year.

Latest monthly visits790 3-month web change-93.9% 1-year team growth-21.7%
Monthly website visits122 observations · Apr 2016–Jul 2026
Hover or focus a point to see its exact monthly valueCompare with peers →

Comparisons

Bolt Threads compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Capital deployed

Bolt Threads investments and acquisitions

Recent portfolio relationships for companies that also act as investors or acquirers.

Talent graph

Bolt Threads's talent

Book a demo to see the people
Team profiled 19 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

18 investors on Bolt Threads's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 1 investor entered at this stage
US National Science Foundation
Series A 8 investors entered at this stage
Foundation Capital
Silicon Valley Bank
Mission Bay Capital
Zygote Ventures
Founders Fund
Formation 8
East West Capital Limited
Alafi Capital
Series B+ 8 investors entered at this stage
Other known 1 additional known investor
University of California, San Francisco

Global footprint

Where Bolt Threads has talent and traffic

Workforce by country
3 countries with
team presence
🇺🇸 United States77.8%
🇳🇱 Netherlands16.7%
🇨🇦 Canada5.6%
3 countries shown

In the news

Latest news about Bolt Threads

Recent press, funding announcements, and product moves mentioning Bolt Threads — open to read from the original sources.

See all news

Market sentiment

What the market is saying about Bolt Threads

An AI-synthesized read of the highest-engagement posts about Bolt Threads 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

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