United States · Series B startup
3 rounds we have observed, with the 9 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
$111Mraised across 3 rounds since 2008, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
New Enterprise Associates
Cormorant Asset Management
F-Prime Capital
Novartis Venture Fund
Rock Springs Capital
Sanofi-Genzyme BioVenturesFrom a historical funding recordSEC filing: $15M sold, first sale Jul 2014
No investor was named in the report.
From a historical funding recordSEC filing: $3.0M sold, first sale Jul 2014
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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Proteostasis Therapeutics's investors include New Enterprise Associates, F-Prime Capital, Novartis Venture Fund, HealthCare Ventures and Sanofi-Genzyme BioVentures, and 4 more on record.
Proteostasis Therapeutics has raised $111M across 3 rounds since 2008.
Proteostasis Therapeutics's most recent round was a Series B of $37M in Sept 2015.
Proteostasis Therapeutics's largest round on record is $71M (Series A), in Aug 2008.
Proteostasis Therapeutics's first round on record, in Aug 2008, was backed by New Enterprise Associates, F-Prime Capital and Novartis Venture Fund and 3 others.
Proteostasis Therapeutics's latest named round is a Series B, in Sept 2015.
Proteostasis Therapeutics is based in the United States.
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United States ·