Its fourth round of equity financing in May netted $150 million , bringing total equity financing to $330 million to date .
In 2010 , BrightSource hired Morgan Stanley and Goldman Sachs to begin preparations for a public offering in 2011 .
BrightSource 's fourth round of equity financing in May netted $150 million , bringing total equity financing to $330 million to date .
In 2010 , BrightSource hired Morgan Stanley and Goldman Sachs to begin preparations for a public offering in 2011 .