Comcast Ventures, a participant in the smart mattress developer's $6m seed round last year, has come back for its $5m series A round.

Osage University Partners was among the participants in a round led by Ignition Partners that will help KenSci further develop its machine learning technology.

Personal cardiac monitor developer Personal MedSystems has secured $5.4m in a round backed by KPN's corporate venturing subsidiary, Personal MedSystems.

Liberty Media's Israel Venture Fund was among the contributors to a series A round that will be used by the cybersecurity startup to support geographical growth and R&D.

Lumus, which produces lens technology for use in augmented reality, is already backed by HTC, Quanta Computer, Crystal-Optech and Motorola Solutions.

Trinity College spinout SilverCloud Health obtained the cash from investors including National Digital Research Centre, which helped develop the technology.