Key facts
- Wattium’s last known valuation is $1.7M (Nov 2022).
- It has raised $8.2M; the latest was Early Stage VC ($6.8M) in May 2025.
- Notable investors include Eria Innovation.
- Status: Privately Held (backing).
Investors
1- ·The complete investor list — 1 names
- ·Watchlist + deal alerts for Wattium
- ·The full record, as it builds
Funding rounds
No funding rounds for Wattium are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Wattium
Developer of sustainable hybrid energy storage batteries intended for fast charging and extended lifespan. The company's platform utilizes supercapacitor-based technology with carbon and organic waste nanomaterials, enabling customers with cost-effective and environmentally friendly energy storage across various applications including stationary storage, electric vehicles, and industrial logistics.
- Sector
- Business Products and Services (B2B)
- HQ
- Barcelona, Spain
- Founded
- 2021
- Website
- wattium.tech/
- Ownership
- Privately Held (backing)
Wattium 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 Wattium 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 Wattium in its N-PORT filings yet. We sweep new filings monthly.