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Cocoon Carbon Secures $15M Series A to Address Supply-Demand Gap in Concrete Industry, Led by 2150 and Brick & Mortar Ventures.

PRIVATEMar 18, 2026

Amount Raised

$15 Million

Round Type

Series A

ManufacturingMining

Investors

Wireframe VenturesTvc (The Venture Collective)Celsius IndustriesGigascale CapitalSosv2150Brick & Mortar Ventures

Description

Cocoon Carbon has closed a $15 million Series A funding round to tackle critical supply issues in the concrete industry. The round was co-led by 2150 and Brick & Mortar Ventures, with participation from other notable investors. This funding will help Cocoon Carbon utilize steel slag as a sustainable substitute for traditional cement. As demand for supplementary cementitious materials grows, Cocoon aims to expand its impact in construction.

Quick answer

Cocoon Carbon raised $15 Million in a Series A round, dated March 18, 2026. Investors: Wireframe Ventures, Tvc (The Venture Collective), Celsius Industries, Gigascale Capital, Sosv, 2150 and Brick & Mortar Ventures.

How much did Cocoon Carbon raise?
Cocoon Carbon raised $15 Million in a Series A round on March 18, 2026.
Who invested in Cocoon Carbon?
Wireframe Ventures, Tvc (The Venture Collective), Celsius Industries, Gigascale Capital, Sosv, 2150 and Brick & Mortar Ventures are named as investors in this round.
What does Cocoon Carbon do?
Cocoon Carbon is a company focused on unlocking a new, scalable supply of key materials for concrete production.

Source: Fundz verified event record.

Who else raised in Mining and Manufacturing around the same time

Companies in the same sectors as Cocoon Carbon that raised within 45 days of this round, from Fundz verified event records.

  • Lucid Group raised $550M (Series C) on May 1, 2026.
  • Disa Technologies raised $33M (Funding Round) on April 30, 2026.
  • Elmet Group raised $120M (IPO) on April 24, 2026.
  • Carbonyx raised $1.2M (Seed) on April 21, 2026.
  • Lucid Group raised $1.1B (Post-IPO Equity) on April 15, 2026.
  • pH7 Technologies raised $3.2M (Grant) on March 24, 2026.

Who to call at Cocoon Carbon, and when

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Company Information

Company

Cocoon Carbon

About

Cocoon Carbon is a company focused on unlocking a new, scalable supply of key materials for concrete production. It converts steel slag, a byproduct of electric arc furnaces, into a low-cost, high-performance substitute for traditional supplementary cementitious materials. Cocoon aims to reduce the embodied CO2 of concrete significantly while addressing supply shortages in the SCM market. The company is deploying its technology at steel mills to facilitate faster and more efficient concrete production.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Cocoon Carbon raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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