Who invested in Siluria Technologies

11 rounds we have observed, with the 11 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.

Energy

Funding summaryUpdated 26 Oct 2026

$209Mraised across 11 rounds since 2008, from 11 sources

$3.3MSeries A$3.3MSeed$13MSeries A$20MSeries B$30MSeries C$2.9MSeries C$33MSeries D$3.0MVenture$30MSeries D$25MSeries E$45MSeries E

Latest round: Series E, $45MJul 2016
Step-upi: 1.8×
Investors: 11

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.

20082010201220142016

$3.3MSeries A$3.3MSeed$13MSeries A$20MSeries B$30MSeries C$2.9MSeries C$30MSeries D$25MSeries E$45MSeries E

First round: Series A, $3.3M
Biggest round: $45M
Usual gap between rounds: 11 months

The rounds

Jul 2016
Series E$45M1 returning
- National Petrochemical Industrial Company
Reported by FinSMEs
Nov 2015
Series E$25M1 new
- National Petrochemical Industrial Company
From a historical funding recordSEC filing: $26M sold, first sale Nov 2015
Aug 2014
Series D$30M1 new
- Aramco Ventures
From a historical funding recordSEC filing: $30M sold, first sale Jul 2014
Apr 2013
Venture$3.0M2 returning
- Kleiner Perkins Caufield & Byers
- ARCH Venture Partners
From a historical funding recordSEC filing: $33M sold, first sale May 2012
Jan 2013
Series C$2.9M2 returning
- Kleiner Perkins Caufield & Byers
- ARCH Venture Partners
From a historical funding recordSEC filing: $33M sold, first sale May 2012
Jan 2013
Series D$33M
No investor was named in the report.
Reported by sec.govSEC filing: $33M sold, first sale May 2012
Jul 2012
Series C$30M2 new7 returning
Reported by marketwire.comSEC filing: $30M sold, first sale May 2012
Sept 2011
Series B$20M1 new6 returning
Reported by finsmes.comSEC filing: $20M sold, first sale Jun 2011
Oct 2010
Series A$13M6 new
Reported by gigaom.com
Jun 2009
Seed$3.3M
No investor was named in the report.
From a historical funding recordSEC filing: $3.3M sold, first sale Jun 2009
Jun 2008
Series A$3.3M
No investor was named in the report.
Reported by venturebeat.com

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 B2011Series C2012Series C2013Series D2013Venture2013Series D2014Series E2015Series E2016

Kleiner Perkins Caufield & Byers

ARCH Venture Partners

Lux CapitalAlloy Ventures

Presidio Ventures

Altitude Life Science Ventures

Wellcome Trust

National Petrochemical Industrial Company

Vulcan Capital

Aramco Ventures

Everyone who backed them

Kleiner Perkins Caufield & ByersVC firm5rounds

ARCH Venture PartnersVC firm5rounds

Lux CapitalVC firm3rounds

Alloy VenturesVC firm3rounds

Presidio VenturesCorporate VC3rounds

Altitude Life Science VenturesGrowth equity3rounds

Wellcome TrustGovernment2rounds

National Petrochemical Industrial CompanyGrowth equity2rounds

Vulcan CapitalFamily office1round

Aramco VenturesCorporate VC1round

Bright CapitalInvestment firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Siluria Technologies as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Smart Energy NewsVC firmPer its own site

Quick answers about Siluria Technologies

Who invested in Siluria Technologies?

Siluria Technologies's investors include Kleiner Perkins Caufield & Byers, ARCH Venture Partners, Lux Capital, Alloy Ventures and Presidio Ventures, and 6 more on record.

How much has Siluria Technologies raised?

Siluria Technologies has raised $209M across 11 rounds since 2008.

When did Siluria Technologies last raise?

Siluria Technologies's most recent round was a Series E of $45M in Jul 2016.

What was Siluria Technologies's biggest round?

Its most recent round, $45M in Jul 2016, is also its largest on record.

Who backed Siluria Technologies first?

Siluria Technologies's first round on record, in Oct 2010, was backed by Kleiner Perkins Caufield & Byers, Lux Capital and ARCH Venture Partners and 3 others.