Who invested in NanoSteel

3 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Internet

Funding summaryUpdated 26 Oct 2026

$35Mraised across 3 rounds since 2009, from 3 sources

$8.0MSeries B$17MSeries C$10MSeries C

Latest round: Series C, $10MAug 2012
Biggest round: $17MSeries C · Oct 2011
Investors: 3

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

201020112012

$8.0MSeries B$17MSeries C$10MSeries C

First round: Series B, $8.0M
Biggest round: $17M
Usual gap between rounds: 2.2 years

The rounds

Aug 2012
Series C$10M1 new1 returning
- Chrysalix Energy Venture Capital
- GM Ventures
Reported by finsmes.com
Oct 2011
Series C$17M1 returning
- Chrysalix Energy Venture Capital
Reported by masshightech.comSEC filing: $17M sold, first sale Sept 2011
Aug 2009
Series B$8.0M2 new
- EnerTech Capital
- Chrysalix Energy Venture Capital
Reported by masshightech.comSEC filing: $8.0M sold, first sale Jul 2009

Founders and team

From the SEC filings it signed: 1 on the team.

David ParatoreExecutive Officer, Directori

On the board, as filediLeonard M. AnthonyPeter M. SouthwickPhilippe M. MauchardRobert M. LutzScott M. UngererSherwin M. Prior

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Series B2009Series C2011Series C2012Chrysalix Energy Venture Capital

EnerTech Capital

GM Ventures

Everyone who backed them

Chrysalix Energy Venture CapitalGrowth equity3rounds

EnerTech CapitalCorporate VC1round

GM VenturesCorporate VC1round

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Quick answers about NanoSteel