Quantenna funnels $4.5M into wireless video chips

Quantenna Communications, maker of chips used for wireless video services in the home, has raised $4.5 million of a targeted $15 million fourth round of venture funding, according to a filing with the SEC. Based in Fremont, Calif., it is backed by Grazia Equity, Sequoia Capital, Sigma Partners, Southern Cross Venture Partners, Swisscom, Venrock and TPG Ventures.