Ireland · 
Who invested in Opsona?
Opsona's investors include Novartis Venture Fund, Roche Venture Fund, Fountain Healthcare Partners, Sunstone Life Science Ventures and Amgen, and 7 more on record.
2010201120122013
$4.6MSeries B$43MSeries C$3.9MSeries CIreland · Series C startup
Who invested in Opsona
3 rounds we have observed, with the 12 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
$52Mraised across 3 rounds since 2009, from 3 sources
$4.6MSeries B$43MSeries C$3.9MSeries C
- Latest round
- Series C, $3.9MOct 2013
- Biggest round
- $43MSeries C · Apr 2013
- Investors
- 12
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 B, $4.6M Jun 2009
- Biggest round
- $43M Series C · Apr 2013
- Usual gap between rounds
- 3.8 years the median of 2
The rounds
- Oct 2013
- Apr 2013Series C$43M5 new3 returning
Novartis Venture Fund
Sunstone Life Science Ventures
Roche Venture Fund- Amgen
- BB Biotech Ventures
Fountain Healthcare Partners- Baxter Ventures
EMBL Ventures
Reported by finsmes.com
- Jun 2009
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about Opsona
How much has Opsona raised?
Opsona has raised $52M across 3 rounds since 2009.
When did Opsona last raise?
Opsona's most recent round was a Series C of $3.9M in Oct 2013.
What was Opsona's biggest round?
Opsona's largest round on record is $43M (Series C), in Apr 2013.
Who backed Opsona first?
Opsona's first round on record, in Jun 2009, was backed by Enterprise Ireland, Novartis Venture Fund and Roche Venture Fund and 3 others.
What stage is Opsona at?
Opsona's latest named round is a Series C, in Oct 2013.
Where is Opsona based?
Opsona is based in Ireland.
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