US-based telecommunications company Verizon’s corporate venturing unit led mobile video optimisation company Skyfire’s $8m funding round in January.
Verizon Ventures was joined in the series C round by venture firms Matrix Partners, Trinity Ventures and Lightspeed Ventures
In 2009 the company raised $5m of a planned near $5.2m round, according to a Securities and Exchange Commission filing.
In 2008 the company raised $13m, according to another filing.
News provider TechCrunch said that 2008 round took it to $17.8m funding in total, after it raised a $4.8 million Series A round in 2007.