Who invested in Elcelyx Therapeutics

7 rounds we have observed, with the 6 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.

Biotech

Funding summaryUpdated 26 Oct 2026

$117Mraised across 7 rounds since 2010, from 7 sources

$1.2MSeries A$4.0MSeries B$21MSeries B$20MSeries C$25MSeries C$5.8MSeries D$40MSeries E

Latest round: Series E, $40MOct 2015
Step-upi: 6.9×
Investors: 6

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.

201020112012201320142015

$1.2MSeries A$4.0MSeries B$21MSeries B$20MSeries C$25MSeries C$5.8MSeries D$40MSeries E

First round: Series A, $1.2M
Biggest round: $40M
Usual gap between rounds: 12 months

The rounds

Oct 2015
Series E$40M2 new4 returning
From a historical funding recordSEC filing: $20M sold, first sale Sept 2015
Feb 2015
Series D$5.8M
No investor was named in the report.
From a historical funding recordSEC filing: $5.8M sold, first sale Feb 2015
Feb 2014
Series C$25M4 returning
From a historical funding recordSEC filing: $25M sold, first sale Feb 2013
Feb 2013
Series C$20M1 new3 returning
Reported by finsmes.comSEC filing: $12M sold, first sale Feb 2013
Dec 2012
Series B$21M
No investor was named in the report.
Reported by sec.govSEC filing: $21M sold, first sale Jan 2011
Aug 2012
Series B$4.0M3 new
Reported by m.prnewswire.comSEC filing: $18M sold, first sale Jan 2011
Mar 2010
Series A$1.2M
No investor was named in the report.
Reported by sec.govSEC filing: $1.2M sold, first sale Mar 2010

Founders and team

From the SEC filings it signed: 3 on the team.

Alain BaronExecutive Officer, Directori
Jay SherwoodExecutive Officeri
Mark FinemanExecutive Officeri

On the board, as filediBosun HauChristoffersen RalphGinger GrahamJim GlasheenLiang TsuiRichard BarrySandy Mahatme

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 A2010Series B2012Series B2012Series C2013Series C2014Series D2015Series E2015

Kleiner Perkins Caufield & Byers

Morgenthaler VenturesTechnology PartnersGSM Fund

Sailing Capital

Clough Capital Partners LP

Everyone who backed them

Kleiner Perkins Caufield & ByersVC firm4rounds

Morgenthaler VenturesVC firm4rounds

Technology PartnersHedge fund4rounds

GSM FundVC firm3rounds

Sailing CapitalPrivate equity1round

Clough Capital Partners LPFamily office1round

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

Quick answers about Elcelyx Therapeutics

Who invested in Elcelyx Therapeutics?

Elcelyx Therapeutics's investors include Kleiner Perkins Caufield & Byers, Morgenthaler Ventures, Technology Partners, GSM Fund and Sailing Capital, and 1 more on record.

How much has Elcelyx Therapeutics raised?

Elcelyx Therapeutics has raised $117M across 7 rounds since 2010.

When did Elcelyx Therapeutics last raise?

Elcelyx Therapeutics's most recent round was a Series E of $40M in Oct 2015.

What was Elcelyx Therapeutics's biggest round?

Its most recent round, $40M in Oct 2015, is also its largest on record.

Who backed Elcelyx Therapeutics first?

Elcelyx Therapeutics's first round on record, in Aug 2012, was backed by Kleiner Perkins Caufield & Byers, Morgenthaler Ventures and Technology Partners.