What is Cocoon?
Cocoon is a specialized climatetech enterprise dedicated to revolutionizing the construction materials market. Its flagship innovation, LoopCem, serves as a low-carbon cement additive derived from the byproducts of electric steelmaking. By repurposing steel slag, the company effectively bridges the gap between the steel and cement industries, fostering a circular economy that significantly reduces the carbon footprint of concrete production. This integration into existing industrial workflows allows Cocoon to provide a scalable, high-performance solution that addresses the urgent need for greener building materials in an increasingly climate-conscious global market.
How much funding has Cocoon raised?
Cocoon has raised a total of $20.4M across 2 funding rounds:
Other Financing Round
$5.4M
Series A
$15M
Other Financing Round (2024): $5.4M with participation from Wireframe Ventures, Gigascale Capital, and SOSV
Series A (2026): $15M led by Brick & Mortar Commercial, SOSV, Wireframe Ventures, 2150, The Venture Collective, and Gigascale Capital
Key Investors in Cocoon
SOSV
SOSV is a multi-stage venture capital investor that provides intellectual and financial capital to accelerate founders big ideas.
Wireframe Ventures
Wireframe Ventures is a seed venture capital firm that invests in technology founders focused on creating a healthier and more sustainable future.
Gigascale Capital
Gigascale Capital invests in sectors crucial for climate impact, where deep tech intersects with the physical economy to address real-world challenges.
What's next for Cocoon?
With the successful closure of its Series A round, Cocoon is poised to transition from pilot-scale validation to full-scale industrial deployment. The strategic focus will likely center on expanding production capacity and deepening partnerships with major players in the construction and steel sectors. As the company scales, it will continue to leverage its unique position at the intersection of deep tech and the physical economy to drive systemic change. Investors are closely watching how Cocoon will navigate the complexities of industrial supply chains while maintaining the high performance standards required for modern infrastructure projects. The company's ability to deliver on its decarbonization promises will be a key indicator of its long-term success in the competitive sustainable materials landscape.
See full Cocoon company page
