NEWCaplight raises a $16M Series A, led by BlackRock and Fin Capital →
Skip to main content
Caplight Logo









Prometheus Materials

Prometheus Materials

Private
Longmont, ColoradoFrontier & Industrial Techhttps://prometheusmaterials.com/

Last Round

Grant

Nov 7, 2024

Total Funding Raised

$14.25M

Company Overview

Prometheus Materials is a clean-tech company that provides sustainable building materials using microalgae to produce a carbon-negative bio-cement.

Sector

Frontier & Industrial Tech

Verticals

Advanced Materials, Green Building, Construction Tech, Carbon Capture

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

bio-cementcarbon-negative concretegreen building materialssustainable constructionbiomineralizationembodied carbon reductioncarbon-negative buildingbio-concretenet-zero constructionclimate techcleantechcarbon sequestrationsustainable building materialsconstruction techmaterials science

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Prometheus Materials Comparables

Compare Prometheus Materials with similar companies based on industry and business-model similarity.

Prometheus Materials comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Minus Materials
89%
Sublime Systems
87%
Biozeroc
86%

Prometheus Materials Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantNov 7, 2024
DebtJul 9, 2024
Series AJun 6, 2022

Key People

Founding team and executive leadership

Loren Burnett

President, Chief Executive Officer and Co-founder

Founding Team

Prometheus Materials Investors

Notable investors and investment history

Prometheus Materials investors
InvestorRounds
Autodesk FoundationSeries A
Sofinnova PartnersSeries A
Department of EnergyGrant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Feb 20, 2025

    Construction industry product now available after scaling production.

  • Nov 7, 2024

    $10M grant from the Department of Energy

Prometheus Materials Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

Prometheus Materials Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Prometheus Materials's valuation, stock price, and market status.

Firmographic Details

HeadquartersLongmont, Colorado
Employee Range15
Year Founded2021
Last FundingNov 7, 2024

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.