| Founded | 2009 |
|---|---|
| Closed | 2024 |
| Country | USA |
| Sector | Biotech |
| Collapse type | Slow Death |
Bolt Threads
"Biotech startup producing spider silk proteins and mushroom leather to replace animal and synthetic materials in luxury fashion and consumer goods"
Years-long decline before final shutdown
Key Events Timeline
Bolt Threads raised over $400 million to commercialize two bio-based materials: Microsilk, a spider silk protein produced through yeast fermentation, and Mylo, a leather-like material grown from mycelium mushroom roots.
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