United States · Funded startup
11 rounds we have observed, with the 6 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.
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Funding summaryUpdated 5 Nov 2026
$152Mraised across 11 rounds since 2006, from 11 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
From a historical funding record
No investor was named in the report.
From a historical funding record
No investor was named in the report.
Reported by sec.govSEC filing: $13M sold, first sale Nov 2012
Reported by finsmes.comSEC filing: $15M sold, first sale Dec 2011
Reported by finsmes.comSEC filing: $16M sold, first sale Nov 2010
No investor was named in the report.
Reported by masshightech.comSEC filing: $1.5M sold, first sale Sept 2010
No investor was named in the report.
From a historical funding recordSEC filing: $5.0M sold, first sale May 2010
Reported by fiercebiotech.comSEC filing: $10M sold, first sale Jul 2009
Reported by ceruleanrx.com
Cerulean Pharma filed 7 raises, $61M in all. Filings say how much was sold and to how many investors; they never name the investors.
From Cerulean Pharma's own website and the SEC filings it signed: 1 founder, 10 on the team.
On the board, as filediAlan L. CraneDavid R. ParkinsonDavid R. WaltPaul A. FriedmanStuart A. ArbuckleSusan L. KelleyWilliam H. RastetterWilliam T. McKee
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Polaris Partners
Venrock
Lux Capital
Bessemer Venture Partners
Lilly Ventures
Alexandria Real Estate EquitiesMissing a round, or an investor who was in one? Tell us.
Cerulean Pharma's investors include Polaris Partners, Venrock, Lux Capital, Bessemer Venture Partners and Lilly Ventures, and 1 more on record.
Cerulean Pharma has raised $152M across 11 rounds since 2006.
Cerulean Pharma's most recent round was an Undisclosed round of $35M in Apr 2015.
Its most recent round, $35M in Apr 2015, is also its largest on record.
Cerulean Pharma's first round on record, in Dec 2006, was backed by Polaris Partners.
Cerulean Pharma's latest named round is an Undisclosed round, in Apr 2015.
Cerulean Pharma is based in the United States.
In the same sector, and raised in the last eighteen months.
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