Who invested in Receptor Biologix?
Receptor Biologix's investors include Domain Associates, Essex Woodlands Healthcare Partners, Skyline Ventures, MedImmune Ventures and Takeda Ventures, and 2 more on record.
20042005
$40KSeed$34MSeries AWho invested in Receptor Biologix
2 rounds we have observed, with the 7 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
$34Mraised across 2 rounds since 2003, from 2 sources
$40KSeed$34MSeries A
- Latest round
- Series A, $34MApr 2005
- Step-upi
- 840×
- Investors
- 7
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $40K Jun 2003
- Biggest round
- $34M Series A · Apr 2005
- Between rounds
- 23 months from the last two
The rounds
- Apr 2005Series A$34M6 new
Domain Associates
Essex Woodlands Healthcare Partners
Skyline Ventures- MedImmune Ventures
- Takeda Ventures
- Northwest Technology Ventures
From a historical funding record
- Jun 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.
Everyone who backed them
MedImmune VenturesCorporate VC1round
Takeda VenturesCorporate VC1round
Northwest Technology VenturesVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Receptor Biologix
How much has Receptor Biologix raised?
Receptor Biologix has raised $34M across 2 rounds since 2003.
When did Receptor Biologix last raise?
Receptor Biologix's most recent round was a Series A of $34M in Apr 2005.
What was Receptor Biologix's biggest round?
Its most recent round, $34M in Apr 2005, is also its largest on record.
Who backed Receptor Biologix first?
Receptor Biologix's first round on record, in Jun 2003, was backed by Oregon Health & Science University.
What stage is Receptor Biologix at?
Receptor Biologix's latest named round is a Series A, in Apr 2005.
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