United States · 
Who invested in Sirion Therapeutics?
Sirion Therapeutics's investors include Atlas Venture, Advent International, Aisling Capital and Investor Growth Capital Limited.
United States · Series B startup
Who invested in Sirion Therapeutics
Funding summaryUpdated 26 Oct 2026
$45Mraised across 1 round since 2007, from 1 source
- Latest round
- Series B, $45MApr 2007
- Investors
- 4
The rounds
- Apr 2007Series B$45M
From a historical funding record
Everyone who backed them
Investor Growth Capital LimitedGrowth equity1round
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Quick answers about Sirion Therapeutics
How much has Sirion Therapeutics raised?
Sirion Therapeutics has raised $45M across 1 round since 2007.
When did Sirion Therapeutics last raise?
Sirion Therapeutics's most recent round was a Series B of $45M in Apr 2007.
What was Sirion Therapeutics's biggest round?
Its most recent round, $45M in Apr 2007, is also its largest on record.
Who backed Sirion Therapeutics first?
Sirion Therapeutics's first round on record, in Apr 2007, was backed by Atlas Venture, Advent International and Aisling Capital and 1 others.
What stage is Sirion Therapeutics at?
Sirion Therapeutics's latest named round is a Series B, in Apr 2007.
Where is Sirion Therapeutics based?
Sirion Therapeutics is based in the United States.
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