Convergence Pharmaceuticals, spun out of GlaxoSmithKline, which still holds an 18% stake, is considering both London and New York for its initial public offering.

Gadling was originally acquired by AOL as part of its $25m purchase of Weblogs in 2005.

The Wells Fargo-backed mobile device management firm could see the size of the initial public offering increase to $115m before it closes.

The high-definition camera maker's initial public offering, which could value it at up to $3bn, will see shareholders Foxconn and Steamboat Ventures both divest shares.

The Norwest-backed satellite imaging and video company is set to be acquired by Google, which will use the technology in its map services.

Alibaba has claimed its purchase of the mobile software provider, in which it held a 66% share, is China's largest ever internet merger.

The acquisition of the augmented reality technology company secured an exit for Intel Capital, which invested $14m in Layar in 2010.

The pharmaceutical company has set the range for its initial public offering, which will see Johnson & Johnson become a notable shareholder.

The Amgen-backed biopharmaceutical company is set to generate up to $54m from its initial public offering, after pulling in $59.5m in equity funding since its formation.

The mobile app advertising startup was bought by Twitter for sum reported as "around $50m", giving Google Ventures an exit just over a year after its seed investment.