Verizon was joined in the series C round by Matrix Partners, Trinity Ventures and Lightspeed Ventures.

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…