United States · 
Who invested in Acetylon Pharmaceuticals?
Acetylon Pharmaceuticals's investors include Celgene and The Kraft Group.
2010201120122013
$7.3MSeries A$2.0MSeries A$12MSeries B$15MSeries B$15MGrowth$100MGrowth
United States · Growth startup
Who invested in Acetylon Pharmaceuticals
Funding summaryUpdated 26 Oct 2026
$151Mraised across 6 rounds since 2009, from 6 sources
$7.3MSeries A$2.0MSeries A$12MSeries B$15MSeries B$15MGrowth$100MGrowth
- Latest round
- Growth, $100MJul 2013
- Step-upi
- 6.7×
- Investors
- 2
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, $7.3M Aug 2009
- Biggest round
- $100M Growth · Jul 2013
- Usual gap between rounds
- 7 months the median of 5
The rounds
- Jul 2013
- Feb 2012
- Jun 2011Series B$15M
No investor was named in the report.
Reported by masshightech.comSEC filing: $14M sold, first sale Feb 2011
- Feb 2011Series B$12M
No investor was named in the report.
Reported by masshightech.comSEC filing: $12M sold, first sale Feb 2011
- Jan 2010
- Aug 2009
Founders and team
From the SEC filings it signed: 2 on the team.
- Marc A. CohenExecutive Officer, Directori
- Walter A. OgierExecutive Officer, Directori
On the board, as filediBruce A. DowneyElena A. ProkupetsJames A. BradnerKenneth A. Anderson
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
CelgeneGrowth equity2rounds
Missing a round, or an investor who was in one? Tell us.
Quick answers about Acetylon Pharmaceuticals
How much has Acetylon Pharmaceuticals raised?
Acetylon Pharmaceuticals has raised $151M across 6 rounds since 2009.
When did Acetylon Pharmaceuticals last raise?
Acetylon Pharmaceuticals's most recent round was a Growth of $100M in Jul 2013.
What was Acetylon Pharmaceuticals's biggest round?
Its most recent round, $100M in Jul 2013, is also its largest on record.
Who backed Acetylon Pharmaceuticals first?
Acetylon Pharmaceuticals's first round on record, in Aug 2009, was backed by The Kraft Group.
What stage is Acetylon Pharmaceuticals at?
Acetylon Pharmaceuticals's latest named round is a Growth, in Jul 2013.
Where is Acetylon Pharmaceuticals based?
Acetylon Pharmaceuticals is based in the United States.
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