PEN vs ROKU Comparison

Penumbra Inc is a thrombectomy company focused on developing technologies for challenging medical conditions such as ischemic stroke, venous thromboembolism (including pulmonary embolism), and acute limb ischemia. Its portfolio includes Computer-Assisted Vacuum Thrombectomy (CAVT), which is designed to remove blood clots throughout the body. The company offers products such as the Artemis Neuro Evacuation Device (used for surgical removal of fluid and tissue from the ventricles and cerebrum), Indigo System, Penumbra System Reperfusion Catheter, LANTERN Delivery Microcatheter, Penumbra Smart Coil, and ACE Reperfusion Catheters, among others. The company generates maximum revenue from the sale of its products in the United States, followed by international markets.

Roku enables consumers to stream television programming. It has more than 90 million streaming households and provided 145 billion streaming hours in 2025. Roku is the top streaming operating system in the US, reaching more than half of broadband households, according to the company. Roku's OS is built into streaming devices and televisions that Roku sells and on connected televisions from other manufacturers that license Roku's name and software. Roku also operates the Roku Channel, a free, ad-supported streaming television platform that offers a mix of on-demand and live television programming. Roku generates revenue primarily from selling devices, licensing, and advertising, and it receives fees from subscription streaming platforms that sell subscriptions through Roku.