The music conglomerate reportedly owns a 14% stake in Beats, which would net it a $448m windfall when it gets acquired by Apple.

Mobile data network service Aicent has been acquired for $290m, providing an exit for Qualcomm Ventures.

Personalised radio app Swell is to be acquired and then shut down, by Apple in a $30m deal that will allow Google to exit.

The Novartis and Eli Lilly-backed developer of antifungal treatments, will seek to advance three of its candidates through clinical trials using the proceeds from the offering.

Event listings site Eventful has been acquired by CBS Local Media, providing an exit for telecommunications company Telefonica.

Eye disease treatment developer Ocular Therapeutix has raised $65m from an initial public offering in which it floated below its range.

The GE-backed radio station and website operator had previously set a range of $14-$16 for the initial public offering.

PTC acquired the internet of things software company, which had raised more than $26m, to add to its Thingworx business.

Otter, a venture by AT&T and Chernin Group, is set to buy the Chernin, Comcast and WPP-backed YouTube channel in a deal that could value it at up to $300m.

The Allianz-backed company, which is developing treatments for inner ear disorders, has set the range for its initial public offering between $10 and $12.