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Nano-C

Westwood, MA · Founded 2001 · Privately Held (backing)

Developer of nanocarbon materials designed to specialize in supplying innovative products for semiconductor manufacturing and energy applications. Nano-C is based in Westwood, MA and was founded in 2001. Its last reported valuation was $27 million in Dec 2012. It has raised $111 million across 8 recorded rounds; the latest was a $32.5 million early-stage round in Aug 2025.

Last reported valuation
$27.0M
Oct 2026
Priced at
—
Total raised
$110.6M
Last round
Early Stage VC
Aug 2025

Nano-C key facts

as of Oct 2026
  • Developer of nanocarbon materials designed to specialize in supplying innovative products for semiconductor manufacturing and energy applications.
  • Nano-C is valued at approximately $27.0M as of Oct 2026 (last reported valuation).
  • 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).
Last reported valuation
LOW confidence
$27.0M

Nano-C's last reported valuation, Dec 2012. Nothing priced has surfaced since.

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Nano-C funding rounds

8 rounds
Aug 2025Early Stage VC$32.5MSEC filing▮
Oct 2023Seed Round$2.0MSEC filing▮
Aug 2022Debt$1.0MSEC filing▮
Apr 2022Debt$660KSEC filing▮
Jul 2021Early Stage VC$8.5MSEC filing▮
Full funding history →

Nano-C valuation

Nano-C's last reported valuation was $27 million in Dec 2012. No priced round, secondary trade or fund mark has surfaced since.

How much has Nano-C raised?

Nano-C has raised $111 million across 8 recorded rounds since 2018. The largest was a $9.8 million debt round in Jul 2018; the most recent was a $32.5 million early-stage round in Aug 2025.

Nano-C has filed 12 Form Ds with the SEC since 2018, most recently in Aug 2025 ($32.5 million sold to 33 investors).

Nano-C investors

10 investors are on record for Nano-C, including US National Science Foundation, Fontinalis Partners, Boston Harbor Angels and C2I Accelerator. The early-stage round in Aug 2025 drew 33 investors.

About 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
Ownership
Privately Held (backing)

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