United States · Funded startup

Who invested in Horizon Pharma

9 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.

Biotech

Funding summaryUpdated 26 Oct 2026

$616Mraised across 9 rounds since 2005, from 9 sources

$6.0MSeries A$15MSeries B$30MSeries C$12MDebt$37MSeries D$638KSeed$66MGrowth$150MDebt$300MDebt

Latest round: Debt, $300MJun 2014
Step-upi: 2×
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.

2007200920112013

$6.0MSeries A$15MSeries B$30MSeries C$12MDebt$37MSeries D$638KSeed$66MGrowth$150MDebt$300MDebt

First round: Series A, $6.0M
Biggest round: $300M
Usual gap between rounds: 13 months

The rounds

Jun 2014
Debt$300M
No investor was named in the report.
From a historical funding record
Dec 2013
Debt$150M
No investor was named in the report.
Reported by sec.govSEC filing: $150M sold, first sale Nov 2013
Mar 2012
Growth$66M
No investor was named in the report.
Reported by sec.govSEC filing: $66M sold, first sale Mar 2012
Jun 2011
Seed$638K
No investor was named in the report.
Reported by sec.govSEC filing: $638K sold, first sale Jun 2011
Apr 2010
Series D$37M
No investor was named in the report.
Reported by sec.govSEC filing: $20M sold, first sale Apr 2010
Jul 2009
Debt$12M
No investor was named in the report.
From a historical funding record
Jul 2007
Series C$30M3 new
Reported by liquidscenarios.com
Nov 2006
Series B$15M
No investor was named in the report.
Reported by liquidscenarios.com
Oct 2005
Series A$6.0M
No investor was named in the report.
Reported by liquidscenarios.com

Founders and team

From Horizon Pharma's own website: 21 on the team.

Paul BurtonSenior Vice President and Chief Medical Officer
Scott SkellengerSenior Vice President and Chief Information Officer
Sean BruichSenior Vice President and Chief Technology Officer
Thomas DittrichExecutive Vice President and Chief Financial Officer
Robert A. BradwayChairman and Chief Executive Officer
Brenda TorresSenior Vice President, Global Supply Chain
Esteban SantosExecutive Vice President, Operations
Gilles MarracheSenior Vice President, Regional General Manager
Greg PortnerSenior Vice President, Global Government Affairs and Policy
Jean-Charles SoriaSenior Vice President, Research and Development
Jonathan GrahamExecutive Vice President and General Counsel and Secretary
Justin ClaeysSenior Vice President, Finance
Kave NiksefatSenior Vice President, Global Marketing and Access
Mark J. TaiseySenior Vice President, Global Regulatory Affairs and Strategy
Murdo GordonExecutive Vice President, Global Markets and Policy
Narimon HonarpourSenior Vice President, Global Development
Peter GriffithExecutive Vice President
Rachna KhoslaSenior Vice President, Business Development

And 3 more on the team.

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 B2006Series C2007Debt2009Series D2010Seed2011Growth2012Debt2013Debt2014

Sutter Hill VenturesPequot Capital

Essex Woodlands Healthcare Partners

The exit

ExitListingPriceWhen

IPONASDAQ:HZNPundisclosedJul 2011

From historical deal records. Wrong? Tell us.

Everyone who backed them

Sutter Hill VenturesVC firm1round

Pequot CapitalGrowth equity1round

Essex Woodlands Healthcare PartnersVC firm1round

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

Also claim to have backed them

This firm lists Horizon Pharma 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.