CarbonBridge Inc.
PrivateLast Round
Grant
May 28, 2026
Total Funding Raised
$3.64M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
CarbonBridge Inc. is a climate technology company that develops carbon-negative, cost-competitive green methanol using a proprietary microbial process and direct-gas bioreactor system.
Sector
Energy & Sustainability
Verticals
Alternative Fuels, Carbon Capture, Maritime & Shipping, Biotechnology
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
CarbonBridge Inc. Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
CarbonBridge Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | May 28, 2026 | ||||
| Seed | Mar 17, 2026 | ||||
| Convertible Debt | Jan 28, 2025 | ||||
| Grant | Nov 20, 2024 | ||||
| Grant | Nov 4, 2024 | ||||
Pre Seed | Oct 11, 2023 |
Key People
Founding team and executive leadership
CarbonBridge Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Techstars | Accelerator |
| Brinc | Pre Seed, Accelerator |
| Clean Energy Venture Group | Seed |
| Santa Clara Ventures | Seed |
| Cargill Ventures | Accelerator |
| IndieBio | Pre Seed |
| Ocean Exchange | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 17, 2026
Monthly visitors increased 436% MoM.
- Mar 17, 2026
Seed round raised with SOSV and Santa Clara Ventures.
CarbonBridge Inc. 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 CarbonBridge Inc.'s valuation, stock price, and market status.