Key facts
- Prometheus Materials’s last known valuation is $23.0M (Mar 2022).
- It has raised $14.3M across 2 recorded rounds; the latest was Seed Round ($4.1M) in Mar 2022.
- Notable investors include Impact Assets, Sofinnova Partners, Microsoft Climate Fund, Autodesk Foundation, GAF Materials — 7 tracked in total.
- Prometheus Materials has filed 2 Form Ds with the SEC since 2022, most recently Jul 2024 ($6.3M sold to 6 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 2 rounds
- ·The complete investor list — 7 names
- ·Watchlist + deal alerts for Prometheus Materials
Funding rounds
2 roundsAbout Prometheus Materials
Provider of zero-carbon concrete intended to make bio-cement with zero carbon emission and take the world towards sustainability. The company specializes in producing new construction materials using algae, water, ambient carbon dioxide, sunlight, sand, bio-cement, and bio-concrete that are carbon negative, enabling clients to make sustainable concrete to reduce the global emission of carbon dioxide.
- Sector
- Materials and Resources
- HQ
- Longmont, CO, United States
- Founded
- 2021
- Employees
- 16
- Website
- prometheusmaterials.com/
- Ownership
- Privately Held (backing)
Prometheus Materials 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 Prometheus Materials 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 Prometheus Materials in its N-PORT filings yet. We sweep new filings monthly.