Key facts
- Notable investors include The Engine, MassVentures, Toyota Ventures, Azolla Ventures.
- Status: Privately Held (backing).
- ·The complete investor list — 4 names
- ·Watchlist + deal alerts for Rock Zero
- ·The full record, as it builds
Funding rounds
No funding rounds for Rock Zero are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Rock Zero
Operator of a sustainable critical mineral extraction company intended to minimize environmental impact. The company's hydrometallurgical process eliminates the need for high-temperature ore roasting and recycles process reagents and water offering an alternative for extracting critical minerals with lesser emissions, energy and waste than current methods, enabling clients to reduce their carbon footprint in the process of mineral extraction and avoid the environmental, social and economic costs associated with current mining practices.
- Sector
- Energy
- HQ
- Weston, MA, United States
- Founded
- 2024
- Employees
- 9
- Website
- rockzero.com/
- Ownership
- Privately Held (backing)
Rock Zero 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 Rock Zero 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 Rock Zero in its N-PORT filings yet. We sweep new filings monthly.