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.

The Superconductor Technologies-backed radio frequency technology developer has secured $16.2m in its initial public offering.

The Intel-backed transplant surveillance technology company has filed for an initial public offering six years after it withdrew from an $86m IPO.

The financial services data provider will now seek to raise up to $1.14bn from its flotation, with several banks set to reap nine-figure returns.