United States · Series D startup

Who invested in Kythera Biopharmaceuticals

4 rounds we have observed, with the 12 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.

Funding summaryUpdated 26 Oct 2026

$98Mraised across 4 rounds since 2005, from 4 sources

$1.0MVenture$30MSeries B$30MSeries C$37MSeries D
Latest round
Series D, $37MSept 2011
Step-upi
1.2×
Investors
12
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.

200620072008200920102011
$1.0MVenture$30MSeries B$30MSeries C$37MSeries D
First round
Venture, $1.0M
Sept 2005
Biggest round
$37M
Series D · Sept 2011
Usual gap between rounds
22 months
the median of 3

The rounds

  1. Sept 2011
    Series D$37M2 new5 returning

    Reported by finsmes.comSEC filing: $37M sold, first sale Aug 2011

  2. May 2008
    Series C$30M4 new4 returning

    From a historical funding record

  3. Jul 2006
    Series B$30M5 new1 returning

    Reported by kytherabiopharma.com

  4. Sept 2005
    Venture$1.0M1 new

    From a historical funding record

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.

Venture2005Series B2006Series C2008Series D2011Versant VenturesARCH Venture PartnersProspect Venture PartnersAltitude Life Science VenturesBbt Capital ManagementJAFCOWilson Sonsini Goodrich & RosatiWS InvestmentsUCLA VC FundJAFCO Group

The exit

ExitBuyerPriceWhen
AcquiredAllergan$2.1BJun 2015

From historical deal records. Wrong? Tell us.

Everyone who backed them

Versant VenturesVC firm4rounds
ARCH Venture PartnersVC firm3rounds
Prospect Venture PartnersVC firm3rounds
Altitude Life Science VenturesGrowth equity3rounds
Bbt Capital ManagementGrowth equity2rounds
JAFCOCompany1round
Wilson Sonsini Goodrich & RosatiCorporate VC1round
WS InvestmentsInvestment firm1round
UCLA VC FundVC firm1round
JAFCO GroupVC firm1round
Apothecary CapitalVC firm1round
Invus Financial AdvisorsGrowth equity1round

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

Quick answers about Kythera Biopharmaceuticals

Who invested in Kythera Biopharmaceuticals?

Kythera Biopharmaceuticals's investors include Versant Ventures, ARCH Venture Partners, Prospect Venture Partners, Altitude Life Science Ventures and Bbt Capital Management, and 7 more on record.

How much has Kythera Biopharmaceuticals raised?

Kythera Biopharmaceuticals has raised $98M across 4 rounds since 2005.

When did Kythera Biopharmaceuticals last raise?

Kythera Biopharmaceuticals's most recent round was a Series D of $37M in Sept 2011.

What was Kythera Biopharmaceuticals's biggest round?

Its most recent round, $37M in Sept 2011, is also its largest on record.

Who backed Kythera Biopharmaceuticals first?

Kythera Biopharmaceuticals's first round on record, in Sept 2005, was backed by Versant Ventures.

What stage is Kythera Biopharmaceuticals at?

Kythera Biopharmaceuticals's latest named round is a Series D, in Sept 2011.

Where is Kythera Biopharmaceuticals based?

Kythera Biopharmaceuticals is based in the United States.

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