United States · Series C startup
Funding summaryUpdated 26 Oct 2026
$82Mraised across 4 rounds since 2004, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by boston.bizjournals.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
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Sirtris Pharmaceuticals's investors include Polaris Partners, TVM Capital, Wellcome Trust, Skyline Ventures and Cardinal Partners, and 6 more on record.
Sirtris Pharmaceuticals has raised $82M across 4 rounds since 2004.
Sirtris Pharmaceuticals's most recent round was a Series C of $37M in Apr 2006.
Its most recent round, $37M in Apr 2006, is also its largest on record.
Sirtris Pharmaceuticals's first round on record, in Dec 2004, was backed by Polaris Partners, TVM Capital and Wellcome Trust and 2 others.
Sirtris Pharmaceuticals's latest named round is a Series C, in Apr 2006.
Sirtris Pharmaceuticals is based in the United States.
In the same sector, and raised in the last eighteen months.
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