2000
$52M
from 12 investors over 12 rounds
Alexza Pharmaceuticals raised $15M on May 5, 2010
Investors: Hercules Capital, Inc.
Alexza Pharmaceuticals raised $52M on January 6, 2005
Investors: -, Delphi Ventures, T. Rowe Price, WestRiver Group, Frazier Healthcare Partners, Versant Ventures and MSD Partners, L.P.
Alexza Pharmaceuticals raised $45M on September 25, 2002
Investors: Versant Ventures, Frazier Healthcare Partners, - and Alloy Ventures