Alongside media-focused merchant bank Allen & Company, Goldman Sachs placed $325m of stock, according to a regulatory filing.

US-based investment bank Goldman Sachs has co-arranged a private placement of at least $325m to one of its venture portfolio companies, Dropbox, a US-based cloud internet company.

Alongside media-focused merchant bank Allen & Company, Goldman Sachs placed $325m of stock, according to a regulatory filing, although news provider said a source said the company had raised at least $350m.

In October 2011, Goldman Sachs was one of the backers of Dropbox, which raised $250m in its series C round.