Water Horizon
PrivateLast Round
Series B
Nov 26, 2025
Total Funding Raised
$29.25M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
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, Smart Manufacturing, Circular Economy
Business Model
B2B
Customer Profile
Usage-Based SaaS, Services & Consulting
AI Layer
Non-AI
Keywords
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% | |
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 |
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.
- Apr 2, 2026
Monthly visitors increased 119% MoM.
Water Horizon Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about Water Horizon's valuation, stock price, and market status.