Brineworks
PrivateLast Round
Grant
Sep 19, 2025
Total Funding Raised
$14.07M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Brineworks operates in Energy & Sustainability and is based in Amsterdam. Its latest recorded funding round was a Grant round in September 2025.
Brineworks is a climate technology company that develops seawater electrolysis technology to extract carbon dioxide and hydrogen for sustainable e-fuel production and carbon removal.
Sector
Energy & Sustainability
Verticals
Carbon Capture, Alternative Fuels, Renewable Energy
Business Model
B2B
Customer Profile
Hardware Sales, Data as a Service, Services & Consulting, Revenue Share
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Brineworks Comparables
Compare Brineworks with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Equatic | 81% | |
| SeaO2 | 81% | |
| Captura Corp | 79% |
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Brineworks Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Sep 19, 2025 | ||||
| Seed | Sep 19, 2025 | ||||
| Grant | Feb 17, 2025 | ||||
| Seed | Sep 12, 2024 | ||||
| Pre Seed | Sep 3, 2023 | ||||
Pre Seed | Jun 1, 2023 |
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Key People
Founding team and executive leadership
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Brineworks Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Blue Action Accelerator | Seed |
| Nucleus Capital | Seed, Pre Seed |
| European Innovation Council Fund | Grant |
| Founders Factory | Seed |
| SeaX Ventures | Seed, Grant |
| Katapult Accelerator | Seed |
| Pale Blue Dot | Grant, Seed, Pre Seed |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 66% MoM.
- Jul 25, 2026
Monthly visitors increased 79% MoM.
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Brineworks 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 Brineworks's valuation, stock price, and market status.
Is Brineworks a public or private company?
Brineworks is a private company.
What is the current stock price of Brineworks?
Brineworks is a private company, so its shares have no public market price. Caplight tracks Brineworks's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Brineworks worth (valuation)?
Valuation information for Brineworks is not publicly available.
Can I buy Brineworks stock?
Brineworks shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Brineworks's last funding round?
Brineworks's most recent funding round was Grant on September 19, 2025.
Who are the main investors in Brineworks?
Key investors in Brineworks include SeaX Ventures, Pale Blue Dot.
Will Brineworks IPO soon?
No public IPO plans have been announced for Brineworks.
How can I track Brineworks secondary market activity?
Caplight tracks bids, offers, and trades in Brineworks's shares on secondary markets.