Bolt Threads Stock

Eco-Friendly Fashion Materials

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Notable Investors

Lightspeed Venture Partners


Emeryville CA, US

Total Funding


About Bolt Threads Stock

Bolt Threads develops fashion fibers and skin care products from sustainable sources including mycelium (mushrooms), bioengineered silk fibers, and silk proteins. Bolt Threads claims that its materials are safer and less destructive to the environment than traditional leather and petroleum-based fibers. Bolt Threads also partners with fashion companies to incorporate its sustainable materials into product lines.

Bolt Threads was founded in 2009 and is headquartered in San Francisco, California with additional offices in Oregon, and The Netherlands. Notable investors include Baillie Gilford, Formation 8, and Foundation Capital. 


Funding History

August 2011$5.2M
April 2014$32.6M
December 2015$49.1M
September 2017$132M
September 2021$254M


Chief Executive Officer

Dan Widmaier

Chief Financial Officer

Randy Befumo


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