Carbon To Stone
PrivateLast Round
Grant
Mar 19, 2024
Total Funding Raised
$1.1M
Company Overview
Carbon To Stone is a cleantech company that provides carbon management and resource recovery services intended for heavy industries to transform residues into valuable materials.
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Carbon To Stone Comps
Public and private peers based on sector, stage, and business model.
Carbon To Stone Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Mar 19, 2024 | ||||
| Grant | Jul 10, 2023 | ||||
| Grant | Dec 15, 2022 |
Key People
Founding team and executive leadership
Carbon To Stone Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Columbia University in the City of New York | Grant |
| Frontier Climate | Grant |
| NYSERDA | Grant |
| Columbia Technology Ventures | Grant |
| Department of Energy | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 9, 2025
Monthly visitors grew 126% MoM.
- Jun 1, 2025
Monthly visitors grew 143% MoM, reaching 1.7K.
Carbon To Stone Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Carbon To Stone's valuation, stock price, and market status.
