The Great Bubble Barrier
PrivateLast Round
Grant
May 23, 2024
Total Funding Raised
$585,000
Company Overview
The Great Bubble Barrier is a cleantech social enterprise that developed a technology to remove plastic from waterways using a bubble curtain without disrupting ship traffic or aquatic life.
Sector
Energy & Sustainability
Verticals
Waste Management, Circular Economy, Environmental Monitoring
Business Model
B2G
Customer Profile
Government Contracts, Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
The Great Bubble Barrier 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 |
The Great Bubble Barrier Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | May 23, 2024 | ||||
| Grant | Nov 25, 2023 | ||||
| Grant | Sep 14, 2018 |
Key People
Founding team and executive leadership
The Great Bubble Barrier Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| European Union's Horizon 2020 | Accelerator |
| Climate KIC | Accelerator |
| PICNIC Green Challenge | Grant |
| Schmidt Marine Technology Partners | Grant |
| European Union | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 2, 2025
Monthly visitors increased 60% MoM, reaching 8.3K.
- Nov 14, 2024
Monthly visitors increased 84% MoM, reaching 3.5K.
The Great Bubble Barrier 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 The Great Bubble Barrier's valuation, stock price, and market status.