United States · Who invested in Semprus BioSciences?
Semprus BioSciences's investors include 5AM Ventures, Pangaea Ventures, SR One, Foundation Medical Partners and GlaxoSmithKline.
200920102011
$8.0MSeries A$18MSeries B$1.0MGrantUnited States · Funded startup
Who invested in Semprus BioSciences
3 rounds we have observed, with the 5 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
$27Mraised across 3 rounds since 2008, from 3 sources
$8.0MSeries A$18MSeries B$1.0MGrant
- Latest round
- Grant, $1.0MOct 2011
- Biggest round
- $18MSeries B · Dec 2010
- Investors
- 5
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $8.0M Dec 2008
- Biggest round
- $18M Series B · Dec 2010
- Usual gap between rounds
- 2 years the median of 2
The rounds
- Oct 2011
- Dec 2010Series B$18M3 new2 returning
Reported by semprusbio.comSEC filing: $9.0M sold, first sale Dec 2010
- Dec 2008
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.
Series A2008Series B2010Grant2011
5AM Ventures
Pangaea Ventures
SR OneFoundation Medical Partners
GlaxoSmithKline
5AM VenturesPangaea VenturesSR OneFoundation Medical PartnersGlaxoSmithKlineThe exit
ExitBuyerPriceWhen
AcquiredTeleflex$30MJun 2012
From historical deal records. Wrong? Tell us.
Everyone who backed them
Foundation Medical PartnersPrivate equity1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Semprus BioSciences
How much has Semprus BioSciences raised?
Semprus BioSciences has raised $27M across 3 rounds since 2008.
When did Semprus BioSciences last raise?
Semprus BioSciences's most recent round was a Grant of $1.0M in Oct 2011.
What was Semprus BioSciences's biggest round?
Semprus BioSciences's largest round on record is $18M (Series B), in Dec 2010.
Who backed Semprus BioSciences first?
Semprus BioSciences's first round on record, in Dec 2008, was backed by 5AM Ventures and Pangaea Ventures.
What stage is Semprus BioSciences at?
Semprus BioSciences's latest named round is a Grant, in Oct 2011.
Where is Semprus BioSciences based?
Semprus BioSciences is based in the United States.
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