Carbonwave
PrivateLast Round
Seed Round
Apr 10, 2026
Total Funding Raised
$15.33M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Carbonwave operates in Energy & Sustainability and is based in Boston, Massachusetts. Its latest recorded funding round was a Strategic round in June 2023.
Carbonwave is a climate technology company that transforms invasive Sargassum seaweed into high-value plant-based biomaterials for the agriculture, cosmetics, and fashion industries.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Circular Economy, Advanced Materials, Waste Management
Business Model
B2B
Customer Profile
Data as a Service, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Carbonwave Comparables
Compare Carbonwave with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| SOS Biotech | 82% | |
| Ocean Rainforest | 80% | |
| Pacific Kelp Co. | 79% |
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Carbonwave Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed Round | Apr 10, 2026 | ||||
| Strategic | Jun 23, 2023 | ||||
| Series A | Apr 6, 2023 | ||||
| Seed | Nov 5, 2021 | ||||
| Crowdfunding | Sep 30, 2021 |
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Key People
Founding team and executive leadership
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Carbonwave Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Mirova | Series A |
| Baruch Future Ventures | Seed |
| Incite Ventures | Seed |
| Pegasus Capital Advisors | Strategic |
| Katapult Ocean | Series A |
| Katapult Ocean | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 10, 2026
$205K raised in Seed Round.
- Apr 6, 2023
$5M round led by Mirova.
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Carbonwave Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Carbonwave's valuation, stock price, and market status.
Is Carbonwave a public or private company?
Carbonwave is a private company.
What is the current stock price of Carbonwave?
Carbonwave is a private company, so its shares have no public market price. Caplight tracks Carbonwave's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Carbonwave worth (valuation)?
Valuation information for Carbonwave is not publicly available.
Can I buy Carbonwave stock?
Carbonwave shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Carbonwave's last funding round?
Carbonwave's most recent funding round was Seed Round on April 10, 2026.
Who are the main investors in Carbonwave?
Key investors in Carbonwave include Mirova.
Will Carbonwave IPO soon?
No public IPO plans have been announced for Carbonwave.
How can I track Carbonwave secondary market activity?
Caplight tracks bids, offers, and trades in Carbonwave's shares on secondary markets.