The streaming company that offers both a dedicated set-top and a software platform, confirmed the details on Monday in a filing with the US Securities and Exchange Commission.
The amount is double the anticipated $100 million forecast at the IPO’s launch.
Shares have been priced at $14 each meaning that the total maximum figure of $252.2 million will be reached if the total 2.3 million shares find a buyer.
As of June 30, 2017, Roku had 15.1 million active accounts.
Both Sky and Telstra offer subscribers branded versions of the Roku platform.