2010
$150M
from 10 investors over 10 rounds
OptiNose raised $150M on September 12, 2020
Investors: Pharmakon Advisors, LP
OptiNose raised $100M on January 2, 2018
Investors: Athyrium Capital Management, LP
OptiNose raised $37M on May 9, 2017
Investors: Avista Capital Partners and Entrepreneurs Fund
OptiNose raised $30M on October 6, 2015
Investors: The Entrepreneurs' Fund and Avista Capital Partners
OptiNose raised $35M on August 5, 2014
Investors: Avista Capital Partners and Entrepreneurs Fund
OptiNose raised $49M on June 7, 2010
Investors: Avista Capital Partners
OptiNose raised $935K on December 14, 2002
Investors: Oxygen House Group