The Hearst, BSkyB and News Corp-backed streaming device manufacturer has boosted its total funding to some $200m, a year after reportedly considering an IPO.

Roku, the US-based content streaming platform and device maker backed by media conglomerates Hearst and News Corp, has added $45.5m to its war chest, Variety reported on Friday.

The fresh funding was revealed in a regulatory filing last month, but a company spokesperson would only confirm that Roku raised capital in late 2015.

Founded in 2008, Roku produces a set-top box that enables viewers to stream free and paid content to their televisions. The company is also increasingly focused on…