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.

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.

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.

Regulus, which is backed by multiple pharmaceutical groups, will have a market capitalisation of about $239m if it prices at the middle of its range.

Goldman-backed software provider AppSense is planning an IPO, according to The Wall Street Journal.

The Flextronics International-backed human resources and finance software company plans to list ,after having raised about $265m in its history.