Shareholders in Lifelock include American global computer security software corporation Symantec Corp (8.2%) and investment banking firm Goldman Sachs (10.9%) as well as venture firms Bessemer Venture Partners, Kleiner Perkins Caufield & Byers and Industry Ventures.

Other stockholders in the US-based antibody research company backed by Mitsubishi, include MPM BioVentures (17.72%), Sofinnova Ventures (11.86%), Alloy Ventures (11.19%), and Fidelity Ventures (9.71%).

Motorola and Deutsche Telekom-backed WiFi products manufacturer Ruckus Wireless files for flotation after raising $54.2m in its history.

US-based Viewdle, which is corporate venturing-backed, is sold after holding talks with Motorola last year shortly before Google acquired it. Google sealed the deal through its Motorola Mobility unit.

Celgene-backed GlobeImmune's flotation is still pending, as of this article, having been reportedly delayed last week.

Shareholders in the semiconductor manufacturer include Intel, Morgenthaler Partners, Canaan Partners, Institutional Venture Partners, DCM, El Dorado Ventures, and Kodiak Venture Partners.

Vodafone Ventures-backed robotics company Evolution Robotics sells to rival iRobot for $74m.

Smith Electric, backed by the Tanfield Group and SEV Group, had set a range, with a mid-point of $76m, before pulling its IPO on Friday.