United States · Series B startup

Who invested in Xanthus Pharmaceuticals

2 rounds we have observed, with the 13 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.

Pharma

Funding summaryUpdated 26 Oct 2026

$56Mraised across 2 rounds since 2003, from 2 sources

$31MSeries B$25MSeries B
Latest round
Series B, $25MDec 2006
Biggest round
$31MSeries B · Dec 2003
Investors
13
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.

200420052006
$31MSeries B$25MSeries B
First round
Series B, $31M
Dec 2003
Biggest round
$31M
Series B · Dec 2003
Between rounds
3 years
from the last two

The rounds

  1. Dec 2006
  2. Dec 2003

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.

The exit

ExitBuyerPriceWhen
AcquiredAntisomaundisclosedMay 2008

From historical deal records. Wrong? Tell us.

Everyone who backed them

GimvPrivate equity2rounds
HealthCare VenturesGrowth equity2rounds
GeneChemGrowth equity2rounds
CDIB BioScience VenturesGrowth equity2rounds
Still River FundsGrowth equity2rounds
Oxford Bioscience PartnersGrowth equity1round
NeoMed-JerseyInvestment firm1round
Kester CapitalPrivate equity1round
Kestrel Managementno record of our own yet1round

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

Quick answers about Xanthus Pharmaceuticals

Who invested in Xanthus Pharmaceuticals?

Xanthus Pharmaceuticals's investors include Gimv, HealthCare Ventures, Hambrecht & Quist Capital Management, GeneChem and CDP Capital Technology Ventures, and 8 more on record.

How much has Xanthus Pharmaceuticals raised?

Xanthus Pharmaceuticals has raised $56M across 2 rounds since 2003.

When did Xanthus Pharmaceuticals last raise?

Xanthus Pharmaceuticals's most recent round was a Series B of $25M in Dec 2006.

What was Xanthus Pharmaceuticals's biggest round?

Xanthus Pharmaceuticals's largest round on record is $31M (Series B), in Dec 2003.

Who backed Xanthus Pharmaceuticals first?

Xanthus Pharmaceuticals's first round on record, in Dec 2003, was backed by Gimv, Oxford Bioscience Partners and HealthCare Ventures and 8 others.

What stage is Xanthus Pharmaceuticals at?

Xanthus Pharmaceuticals's latest named round is a Series B, in Dec 2006.

Where is Xanthus Pharmaceuticals based?

Xanthus Pharmaceuticals is based in the United States.

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