2007
$6M
from 4 investors over 4 rounds
WordStream raised $6M on July 30, 2012
Investors: Sigma Partners
WordStream raised $6M on May 7, 2010
Investors: Sigma Partners
WordStream raised $4M on January 28, 2009
Investors: Sigma Partners
WordStream raised undisclosed on January 1, 2008
Investors: Sigma Prime Ventures