Roku is best know for sellinginexpensive boxesthatallow consumers to stream Netflix, YouTube and other streaming video services to their televisions. The company also offers its software to other consumers electronics makers that want to use it as the interface for their smart TVs.
Roku's revenue is growing fast as cord-cutters and other consumers snap up its devices, the cheapest model of which sells for $30.
Despite its high valuation, Roku is still in the red. The company lost $24.2 million in the first half of 2017
Investors will also need to be comfortable with Roku's dual-class stock structure, which will give its CEO and other insiders control of 98% of the voting power, even after the IPO.