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Bolt Threads

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

Berkeley, United StatesFounded 2009Energy

Valuation $250–500M Last recorded · 2024

Revenue $1–10M Latest reported FY

Headcount <100 Current team size

Total funding $100–500M Disclosed equity funding

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About Bolt Threads

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.

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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.

Source: Dealroom company data

At a glance

Status: Operational
Founded: 2009
Headquarters: Berkeley, United States
Employees: 36
Open positions: None listed
Dealroom signal: 66.0/100
Industry: Fashion
Sector: Energy, Recycling, Biotechnology, Synthetic Biology, Spinout, Alternative Protein, Sustainable Development Goals, Polymers, Mycelium Technology, Macro-Nutrients, Industrial Technology
Technology: Deep Tech
Business model: Manufacturing
Client focus: b2b
Investment activity: 1 company, latest Jul 2017
Capital deployed: —
Preferred round: ACQUISITION
Links: Website LinkedIn X

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Funding history

10 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
PRIVATE PLACEMENT NON VCOther financing	Aug 2025	$4.3M	—	Undisclosed	↗
SPAC IPOOther financing	Aug 2024	$250M	$250M	Golden Arrow Merger Corp	↗

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Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

Year	Revenue	Growth
2026
2025		—

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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 visitsApr 2016–Jul 2026

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Similar companies

Closest operating peers by Dealroom taxonomy

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Company	Headquarters	Status	Employees	Total funding	Valuation
MMModern MeadowProvides biofabricated leather materials intended to offer animal-free leather made from living cells	Nutley, United States	Operational	53	$186M	$520M
ECEcovativeMycelium-based materials for packaging, textiles, and food.	Town of Colonie, United States	Operational
MYMycorenaMaking sustainable fungi-based vegan protein, while reducing waste and water usage in food industry	Göteborgs Stad, Sweden	Acquired
GEGenomaticaManufactures sustainable chemicals from renewable feedstocks	San Diego, United States	Acquired
GBGenecis BioindustriesUses biotechnology to convert waste into high value materials, including PHA bioplastics	Toronto, Canada	Operational
AMAMSilkThe world’s first industrial supplier of vegan silk biopolymers and has its headquarters in Planegg near Munich, Germany	Planegg, Germany	Operational
MYMycoWorksA biotech company that delivers commercially viable, non-plastic and non-animal materials to the market	Emeryville, United States	Acquired
BIBioBTXBioBTX technology makes full carbon circularity possible, by transforming biomass and plastic waste into renewable chemicals,	Groningen, Netherlands	Operational