
Bolt Threads
Founded Year
2009Stage
Acq - Pending | AcquiredTotal Raised
$211.07MValuation
$0000About Bolt Threads
Bolt Threads develops textile materials from organic products. Its product line includes Mylo, B-silk Protein, and Microsilk. The company was formerly known as Refactored Materials. It was founded in 2009 and is based in Berkeley, California.
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Research containing Bolt Threads
Get data-driven expert analysis from the CB Insights Intelligence Unit.
CB Insights Intelligence Analysts have mentioned Bolt Threads in 2 CB Insights research briefs, most recently on Aug 15, 2023.

Expert Collections containing Bolt Threads
Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.
Bolt Threads is included in 4 Expert Collections, including Beauty & Personal Care.
Beauty & Personal Care
2,254 items
Startups in the beauty & personal care space, including cosmetics brands, shaving startups, on-demand beauty services, salon management platforms, and more.
Synthetic Biology
305 items
Companies involved in design and development of new biological parts, devices, and systems; as well as the re-design of existing biological systems.
Luxury Tech
419 items
Tech-enabled companies launching new luxury brands, as well as startups providing tech solutions to the luxury industry, including e-commerce tools, marketing, and more. While these companies may not exclusively target luxury companies, they have notable luxury partners.
Advanced Materials
1,326 items
Companies in the advanced materials space, including polymers, biomaterials, semiconductor materials, and more
Bolt Threads Patents
Bolt Threads has filed 45 patents.
The 3 most popular patent topics include:
- molecular biology
- proteins
- biotechnology

Application Date | Grant Date | Title | Related Topics | Status |
---|---|---|---|---|
3/15/2022 | 8/15/2023 | Molecular biology, Biotechnology, Proteins, Virus families, Gene expression | Grant |
Application Date | 3/15/2022 |
---|---|
Grant Date | 8/15/2023 |
Title | |
Related Topics | Molecular biology, Biotechnology, Proteins, Virus families, Gene expression |
Status | Grant |
Latest Bolt Threads News
Oct 27, 2023
Searches for next gen leather alternatives have grabbed the attention of those keen to find a more sustainable alternative to animal-based leather in recent years. H&M has featured the cactus-based leather of Mexican company Desserto while Zara has used Ananas Anam's pineapple-based Pinatex. But the alt leather industry suffered a blow earlier this year when one of the frontrunners, Bolt Threads announced it was halting production of its mushroom-based product - despite the support of Stella McCartney, Adidas and Lululemon - after failing to raise the funding needed to scale up. Wednesday, 11 October 2023 The textile industry is made up of all sorts of manufacturers, each with their own focus and approach. On one end of the spectrum are smaller mills that operate under short-term goals, driven by immediate client needs, market trends and the… Tuesday, 10 October 2023 An entirely new category of European-created textile fibres is rapidly emerging based on reclaiming textile waste and its global influence could be huge. At the same time, it’s claimed this move could go a considerable way towards reversing some of… Monday, 09 October 2023 As human rights continue to deteriorate in Myanmar, more and more global brands are putting a halt on sourcing from the country. But what about the garment workers left behind? Swedish fashion giant H&M finally announced that it is to stop sourcing… Friday, 06 October 2023 Friday, 25 August 2023 Monday, 21 August 2023 "You can't use that," laughs James Schaffer, after tripping over 'Worldly' - the rebranded new name of the Higg technology company which runs the Higg Index suite of tools for the Sustainable Apparel Coalition (SAC) and is now branching out with new… Monday, 21 August 2023 Thursday, 17 August 2023 Thursday, 17 August 2023 Friday, 04 August 2023 Wednesday, 02 August 2023 Monday, 31 July 2023 Wednesday, 26 July 2023 Tuesday, 25 July 2023 Monday, 24 July 2023 Tens of thousands of ITMA visitors missed the opportunity to engage with key stakeholders on environmental issues in Milan – but they won’t be able to turn a deaf ear forever. ITMA 2023 was billed as the most sustainable ITMA event yet – if such an… Monday, 26 June 2023 The fashion industry is big, bold, and as messy as ever, but today it's having to face its critics over the harm that it continues to cause through its wasteful actions. However, can the industry re-design itself to re-define itself, and can it turn… Tuesday, 20 June 2023 Tuesday, 06 June 2023 Andy Ruben, the founder and executive chairman of resale platform Trove, talks about why he left the retail giant Walmart to enter the resale space and gives readers a unique insight into what the future may hold for global resale as it continues to… Friday, 02 June 2023 Wednesday, 31 May 2023 Wednesday, 17 May 2023 Brooklyn-based Caroline Priebe is a US sustainable fashion designer with two decades of experience under her belt, so Tom Bithell caught up with her for a quick Q&A about her ideas on designing for true sustainability. Q: How is a garment… Thursday, 27 April 2023 Last summer’s floods in Pakistan displaced seven million people, caused a death toll of over 1,500 and damages of an estimated $30 billion, with only $5.6 billion covered by insurance. As just one instance of the increasing number of extreme weather… Thursday, 20 April 2023 Wednesday, 12 April 2023 Thursday, 06 April 2023 A proposal put to the European Chemicals Agency (ECHA) by Sweden and France in 2019 to restrict some skin sensitisers – with a decision expected to be presented to the EU commission shortly – is causing concern among some textile industry groups who… Monday, 03 April 2023 Friday, 24 February 2023 Monday, 20 February 2023 Thursday, 16 February 2023 Tuesday, 14 February 2023 Monday, 16 January 2023 FRANKFURT – It’s often said that there is no ‘silver bullet’ to achieving a fully sustainable and circular textile industry, but OceanSafe, based in Bern, Switzerland, claims that it may have provided a conceivable route to just that. And with one… Thursday, 12 January 2023 Wednesday, 04 January 2023 Increasingly, in our industry, there has been a face-off between data optimists and data pessimists - those who believe we can get good, specific data to assess impacts and those who think that global averages are as good as it’s likely to get. This… Thursday, 15 December 2022 The message from COP 27 was unequivocal – climate change is THE number 1 priority for mankind. In textiles, I’d agree that this is also a very high priority, but we also must take a holistic view and consider a basket of metrics to carry out our… Wednesday, 14 December 2022 One of the most keenly-anticipated sessions at the recent annual meeting of the Sustainable Apparel Coalition’s (SAC) in Singapore brought together different sides of the ongoing controversy over the use of data from the Higg Index suite of tools on… Wednesday, 07 December 2022
Bolt Threads Frequently Asked Questions (FAQ)
When was Bolt Threads founded?
Bolt Threads was founded in 2009.
Where is Bolt Threads's headquarters?
Bolt Threads's headquarters is located at 2222 5th Street, Berkeley.
What is Bolt Threads's latest funding round?
Bolt Threads's latest funding round is Acq - Pending.
How much did Bolt Threads raise?
Bolt Threads raised a total of $211.07M.
Who are the investors of Bolt Threads?
Investors of Bolt Threads include Golden Arrow Merger, Zygote Ventures, Foundation Capital, Founders Fund, Formation 8 and 13 more.
Who are Bolt Threads's competitors?
Competitors of Bolt Threads include Spiber, Polybion, MycoWorks, Mycorium Biotech, AMSilk and 7 more.
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Compare Bolt Threads to Competitors

Natural Fiber Welding manufactures plant-based materials and textiles that are free of plastic and petrochemicals. It creates plastic-free alternatives to animal or petrochemical-based materials such as leathers, foams, and textiles. The company was founded in 2015 and is based in Peoria, Illinois.

MycoWorks operates as a biotechnology company. It manufactures leather made from mycelium. It uses fine mycelium that provides non-animal and tunable materials. The company delivers a product Reishi. It was founded in 2013 and is based in Emeryville, California.

Uncaged Innovations provides biotechnology services. The company develops materials to replace bovine and exotic leather. Uncaged Innovations was founded in 2020 and is based in New York, New York.

Modern Meadow focuses on biologically advanced materials. The company harnesses the power of design, biology, and materials science to produce bio-fabricated materials. It enables new design, performance possibilities, and partners with consumer brands. The company was founded in 2011 and is based in Nutley, New Jersey.
Spora Biotech is a biotechnology research company. It creates a bio-textile product that aims to end animal abuse and other humanitarian problems. The company sells leather made from mushroom mycelium as a sustainable alternative to synthetic and animal leather, giving customers a product that is both environmentally and animal-friendly. It was founded in 2017 and is based in Rengo, Chile.

Ohoskin operates as an online store. It sells vegan alternatives to animal leather made with oranges and cacti. It was founded in 2019 and is based in Catania, Italy.
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