Key facts
- NuCube Energy’s last known valuation is $10.0M (Jul 2023).
- It has raised $16.3M; the latest was Early Stage VC ($13.0M) in Feb 2026.
- Notable investors include E8 (Seattle), Prime Movers Lab, Arizona Nuclear Ventures, Ecosphere Ventures, Emission Reduction Corporation — 11 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 11 names
- ·Watchlist + deal alerts for NuCube Energy
- ·The full record, as it builds
Funding rounds
No funding rounds for NuCube Energy are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About NuCube Energy
Developer of nuclear technology intended for a sustainable future for humankind. The company offers nuclear power generation, nuclear energy, and energy storage through the conversion of waste into a carbon-negative fuel with a non-thermal drying process, enabling the energy sector with cleaner cement, steam, power, or even renewable fuels.
- Sector
- Energy
- HQ
- Idaho Falls, ID, United States
- Employees
- 10
- Website
- nucube.energy/
- Ownership
- Privately Held (backing)
NuCube 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 NuCube 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 NuCube Energy in its N-PORT filings yet. We sweep new filings monthly.