2006
$45M
from 7 investors over 7 rounds
Proteostasis Therapeutics, Inc. (PTI) raised $37M on September 8, 2015
Investors: Sanofi Ventures, HealthCare Ventures LLC and F-Prime Capital Partners
Proteostasis Therapeutics, Inc. (PTI) raised $20M on March 25, 2011
Investors: Elan Pharmaceuticals
Proteostasis Therapeutics, Inc. (PTI) raised $45M on August 25, 2008
Investors: Sanofi Ventures, HealthCare Ventures LLC and F-Prime Capital Partners