Water Horizon
PrivateLast Round
Series B
Nov 26, 2025
Total Funding Raised
$29.25M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Water Horizon operates in Energy & Sustainability and is based in Cugnaux. Its latest recorded funding round was a Series B round in November 2025.
Water Horizon is an energy-tech company that develops and provides mobile thermal battery technology to recover and store industrial waste heat for renewable energy applications.
Sector
Energy & Sustainability
Verticals
Energy Storage, Energy Management, Clean Manufacturing, Circular Economy
Business Model
B2B
Customer Profile
Usage-Based SaaS, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Water Horizon Comparables
Compare Water Horizon with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Rotterdam Heat Mobility | 84% | |
| swilar eetec GmbH | 81% | |
| Eco-Tech Ceram | 80% |
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Water Horizon Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Nov 26, 2025 | ||||
| Grant | May 27, 2024 | ||||
| Series A | Mar 22, 2022 | ||||
| Grant | Jan 1, 2022 | ||||
| Grant | Nov 1, 2018 | ||||
Seed | Jun 1, 2018 |
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Water Horizon Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Banque Populaire | Grant |
| EREN Groupe | Series B |
| Région Occitanie | Grant |
| Banque des Territoires | Series B, Series A |
| European Union | Grant |
| IRDI Soridec Gestion | Series A |
| Bpifrance | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 3, 2026
Open roles increased to 14, 3.5x the trailing average.
- Jul 26, 2026
Monthly visitors increased 1068% MoM, reaching 2.6K.
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Water Horizon 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 Water Horizon's valuation, stock price, and market status.
Is Water Horizon a public or private company?
Water Horizon is a private company.
What is the current stock price of Water Horizon?
Water Horizon is a private company, so its shares have no public market price. Caplight tracks Water Horizon's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Water Horizon worth (valuation)?
Valuation information for Water Horizon is not publicly available.
Can I buy Water Horizon stock?
Water Horizon shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Water Horizon's last funding round?
Water Horizon's most recent funding round was Series B on November 26, 2025.
Who are the main investors in Water Horizon?
Key investors in Water Horizon include Banque Populaire, EREN Groupe, Région Occitanie, Banque des Territoires, European Union.
Will Water Horizon IPO soon?
No public IPO plans have been announced for Water Horizon.
How can I track Water Horizon secondary market activity?
Caplight tracks bids, offers, and trades in Water Horizon's shares on secondary markets.