Minus Materials
PrivateLast Round
Grant
Jun 24, 2024
Total Funding Raised
$3.99M
Company Overview
Minus Materials is a building products company that develops cement and concrete technology to produce carbon-negative limestone using microalgae.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Carbon Capture, Advanced Materials, Green Building, Construction Tech
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Minus Materials Comparables
Compare Minus Materials with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Prometheus Materials | 89% | |
| Brimstone | 79% | |
| Biomason | 78% | |
Minus Materials Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jun 24, 2024 | ||||
| Grant | Oct 1, 2022 | ||||
| Grant | Sep 1, 2022 | ||||
| Accelerator | Aug 12, 2022 | ||||
| Pre Seed | Nov 23, 2020 |
Minus Materials Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Venture Partners at CU Boulder | Pre Seed |
| Breakthrough Energy Foundation | Grant |
| IndieBio | Accelerator |
| US Department of Energy (ARPA-E) | Grant |
| 4 Corners Carbon Coalition | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 20, 2026
Monthly visitors grew 53% MoM, from 649 to 990.
- Nov 7, 2025
Monthly visitors grew 107% MoM.
Minus Materials Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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 |
Frequently Asked Questions
Common questions about Minus Materials's valuation, stock price, and market status.