Key facts
- It has raised $2.5M; the latest was Early Stage VC ($2.0M) in Sep 2025.
- Notable investors include US National Science Foundation, U.S. Department of Energy, Third Derivative, Innosphere Ventures, Boulder — 8 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 8 names
- ·Watchlist + deal alerts for Otoro Energy
- ·The full record, as it builds
Funding rounds
No funding rounds for Otoro Energy are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Otoro Energy
Developer of a proprietary flow battery technology designed for grid-scale stationary energy storage. The company's technology utilizes a proprietary metal chelate electrolyte that is non-corrosive, non-toxic and non-flammable to strengthen grid resiliency and expand renewable energy deployment, enabling clients to avail of long-duration energy storage to improve renewable integration and grid stability.
- Sector
- Energy
- HQ
- Boulder, CO, United States
- Founded
- 2020
- Employees
- 8
- Website
- otoroenergy.com/
- Ownership
- Privately Held (backing)
Otoro Energy 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 Otoro Energy 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 Otoro Energy in its N-PORT filings yet. We sweep new filings monthly.