6K

Machinery (B2B) · North Andover, MA · Founded 2014 · Privately Held (backing)

Developer of an advanced microwave-based plasma technology designed to improve the production processes of nanomaterials. 6K is based in North Andover, MA and was founded in 2014. It was valued at $396 million at its later-stage round in Jul 2024, the last priced event on record. It has raised $298 million across 1 recorded round; the latest was a $60.1 million Series C in Dec 2021.

PMV mark · valuation
$396.0M
Oct 2026
Priced at
its later-stage round
Jul 2024
Total raised
$297.8M
Last round
Later Stage VC (Series C)
Dec 2021

Who backs 6K?

23 investors
InvestorType
Astir VenturesVenture capital
U.S. Department of EnergyOther
United States Department of War—
In-Q-TelVenture capital
Energy Impact Partners—
Prithvi VenturesVenture capital
Material Impact (Boston)Venture capital
Dragon Capital (California)Venture capital
Volta Energy TechnologiesVenture capital
RKS VenturesFamily office
+ 13 more investors · a free account shows the complete list
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6K investors

23 investors are on record for 6K, including Astir Ventures, U.S. Department of Energy, United States Department of War and In-Q-Tel. By type, the record holds 6 venture capital firms and 1 family office. The Series C in Dec 2021 drew 9 investors.

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