Key facts
- Water Horizon’s last known valuation is $9.7M (Feb 2022).
- It has raised $26.6M; the latest was Later Stage VC ($20.8M) in Nov 2025.
- Notable investors include Plug and Play Tech Center, Bpifrance, IRDI Capital Investissement, BDT Invest, Aris (Other Financial Services) — 11 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 11 names
- ·Watchlist + deal alerts for Water Horizon
- ·The full record, as it builds
Funding rounds
No funding rounds for Water Horizon are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Water Horizon
Manufacturer of innovative renewable energy thermal batteries intended to store the waste heat of factories and restore it to heat buildings. The company's batteries recover waste heat from environments, and they store heat with a high density without any loss of energy over time, enabling businesses to access renewable heat or cold supply while respecting the environment.
- Sector
- Energy
- HQ
- Cugnaux, France
- Founded
- 2015
- Employees
- 36
- Website
- water-horizon.com/
- Ownership
- Privately Held (backing)
Water Horizon doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Water Horizon shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Water Horizon in its N-PORT filings yet. We sweep new filings monthly.