United States · Series E startup

Who invested in ImpactRx

3 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.

Pharma

Funding summaryUpdated 26 Oct 2026

$4.2Mraised across 3 rounds since 2002, from 3 sources

$3.0MVenture$1.2MSeries E
Latest round
Series E, $1.2MJan 2010
Biggest round
$3.0MVenture · Jul 2003
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.

20022004200620082010
?Series C$3.0MVenture$1.2MSeries E
First round
Series C
May 2002
Biggest round
$3.0M
Venture · Jul 2003
Usual gap between rounds
6.5 years
the median of 2

The rounds

  1. Jan 2010
    Series E$1.2M

    No investor was named in the report.

    Reported by finsmes.comSEC filing: $678K sold, first sale Dec 2009

  2. Jul 2003
    Venture$3.0M1 new

    From a historical funding record

  3. May 2002
    Series CAmount undisclosed2 new

    From a historical funding record

Founders and team

From the SEC filings it signed: 1 on the team.

  • Richard AltusExecutive Officer, Directori

On the board, as filediLawrence G. MillerPer G. H. LofbergRenee G. Aguiar-Lucander

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
AcquiredSymphony Technology GroupundisclosedApr 2011

From historical deal records. Wrong? Tell us.

Everyone who backed them

Oxford Bioscience PartnersGrowth equity1round
MerckAccelerator1round

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

Quick answers about ImpactRx

Who invested in ImpactRx?

ImpactRx's investors include Oxford Bioscience Partners, Mediphase Venture Partners and Merck.

How much has ImpactRx raised?

ImpactRx has raised $4.2M across 3 rounds since 2002. One round did not disclose an amount, so the total is a floor.

When did ImpactRx last raise?

ImpactRx's most recent round was a Series E of $1.2M in Jan 2010.

What was ImpactRx's biggest round?

ImpactRx's largest round on record is $3.0M (Venture), in Jul 2003.

Who backed ImpactRx first?

ImpactRx's first round on record, in May 2002, was backed by Oxford Bioscience Partners and Mediphase Venture Partners.

What stage is ImpactRx at?

ImpactRx's latest named round is a Series E, in Jan 2010.

Where is ImpactRx based?

ImpactRx is based in the United States.

Companies like ImpactRx

In the same sector, and raised in the last eighteen months.

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