Coastruction
PrivateLast Round
Grant
Oct 8, 2025
Total Funding Raised
$413,000
Company Overview
Coastruction operates in Energy & Sustainability and is based in Rotterdam. Its latest recorded funding round was a Grant round in October 2025.
Coastruction is a sustainable technology company that designs, manufactures, and installs 3D-printed artificial reefs to restore marine ecosystems and protect coastlines.
Sector
Energy & Sustainability
Verticals
3D Printing, Sustainable Materials, Circular Economy, Construction Tech
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Coastruction Comparables
Compare Coastruction with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Stonereefs A/S | 86% | |
| Reefy | 86% | |
| rrreefs | 85% |
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Coastruction Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Oct 8, 2025 | ||||
| Grant | Nov 17, 2022 | ||||
| Grant | Jul 22, 2022 | ||||
| Crowdfunding | Dec 21, 2021 |
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Coastruction Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| CityLab010 | Grant |
| Kansen voor West | Grant |
| InnovationQuarter | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 8, 2025
Received funding from Kansen voor West.
- Oct 8, 2025
Launched a new structure in collaboration with Weco, DEMCON, and Holland Shipyards.
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Coastruction Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Coastruction's valuation, stock price, and market status.
Is Coastruction a public or private company?
Coastruction is a private company.
What is the current stock price of Coastruction?
Coastruction is a private company, so its shares have no public market price. Caplight tracks Coastruction's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Coastruction worth (valuation)?
Valuation information for Coastruction is not publicly available.
Can I buy Coastruction stock?
Coastruction shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Coastruction's last funding round?
Coastruction's most recent funding round was Grant on October 8, 2025.
Who are the main investors in Coastruction?
Key investors in Coastruction include CityLab010, Kansen voor West, InnovationQuarter.
Will Coastruction IPO soon?
No public IPO plans have been announced for Coastruction.
How can I track Coastruction secondary market activity?
Caplight tracks bids, offers, and trades in Coastruction's shares on secondary markets.