United States · Series B startup

Who invested in Claros Diagnostics

2 rounds we have observed, with the 4 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

$12Mraised across 2 rounds since 2007, from 2 sources

$7.8MSeries A$4.0MSeries B
Latest round
Series B, $4.0MMar 2009
Biggest round
$7.8MSeries A · Jan 2007
Investors
4
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.

200720082009
$7.8MSeries A$4.0MSeries B
First round
Series A, $7.8M
Jan 2007
Biggest round
$7.8M
Series A · Jan 2007
Between rounds
2.2 years
from the last two

The rounds

  1. Mar 2009
    Series B$4.0M4 returning

    Reported by pehub.comSEC filing: $4.0M sold, first sale Mar 2009

  2. Jan 2007

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
AcquiredOPKO HealthundisclosedOct 2011

From historical deal records. Wrong? Tell us.

Everyone who backed them

Oxford Bioscience PartnersGrowth equity2rounds
Bioventures InvestorsPrivate equity2rounds
Commons CapitalVC firm2rounds

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

Quick answers about Claros Diagnostics

Who invested in Claros Diagnostics?

Claros Diagnostics's investors include Oxford Bioscience Partners, Bioventures Investors, Commons Capital and Accelerated Technologies Partners.

How much has Claros Diagnostics raised?

Claros Diagnostics has raised $12M across 2 rounds since 2007.

When did Claros Diagnostics last raise?

Claros Diagnostics's most recent round was a Series B of $4.0M in Mar 2009.

What was Claros Diagnostics's biggest round?

Claros Diagnostics's largest round on record is $7.8M (Series A), in Jan 2007.

Who backed Claros Diagnostics first?

Claros Diagnostics's first round on record, in Jan 2007, was backed by Oxford Bioscience Partners, Bioventures Investors and Commons Capital and 1 others.

What stage is Claros Diagnostics at?

Claros Diagnostics's latest named round is a Series B, in Mar 2009.

Where is Claros Diagnostics based?

Claros Diagnostics is based in the United States.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.