Key facts
- Nano-C’s last known valuation is $27.0M (Dec 2012).
- It has raised $110.6M across 8 recorded rounds; the latest was Early Stage VC ($32.5M) in Aug 2025.
- Notable investors include US National Science Foundation, Fontinalis Partners, Boston Harbor Angels, C2I Accelerator, Cote Capital — 10 tracked in total.
- Nano-C has filed 12 Form Ds with the SEC since 2018, most recently Aug 2025 ($32.5M sold to 33 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 8 rounds
- ·The complete investor list — 10 names
- ·Watchlist + deal alerts for Nano-C
Funding rounds
8 roundsAbout Nano-C
Developer of nanocarbon materials designed to specialize in supplying innovative products for semiconductor manufacturing and energy applications. The company's platform offers solar cell materials, advanced photoresists for semiconductor manufacturing and conductive additives for electronic vehicle batteries, enabling electronics and energy leaders to develop devices that are more durable and lighter-weight and use materials and energy with greater efficiency.
- Sector
- Materials and Resources
- HQ
- Westwood, MA, United States
- Founded
- 2001
- Employees
- 27
- Website
- nano-c.com/
- Ownership
- Privately Held (backing)
Nano-C 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 Nano-C 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 Nano-C in its N-PORT filings yet. We sweep new filings monthly.