Key facts
- HySun’s last known valuation is $4.2M (Jun 2024).
- It has raised $4.0M; the latest was Early Stage VC ($3.0M) in May 2025.
- Notable investors include InnoEnergy, Equinor Ventures, Axon Partners Group, NANOGAP, Tewer Engineering.
- Status: Privately Held (backing).
- ·The complete investor list — 5 names
- ·Watchlist + deal alerts for HySun
- ·The full record, as it builds
Funding rounds
No funding rounds for HySun are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About HySun
Manufacturer of renewable energy semiconductors intended to create sustainable, renewable energy services for businesses and individuals. The company only uses water and sun energy to produce renewable, clean, and ecological hydrogen without carbon emissions by combining photo-thermo catalysis and concentrated solar power, enabling clients to harvest energy for off-grid use and access inexhaustible renewable sources of energy.
- Sector
- Energy
- HQ
- Madrid, Spain
- Founded
- 2021
- Employees
- 6
- Website
- h2hysun.com/
- Ownership
- Privately Held (backing)
HySun 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 HySun 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 HySun in its N-PORT filings yet. We sweep new filings monthly.