Double chin removing healthcare company Kythera Biopharmaceuticals backed by Foley Ventures, the corporate venturing unit of law firm Foley & Lardner, floats on October 10.

Reed Elsevier Ventures owns 18.3%.

YY would have an initial market capitalisation of $2.9bn at $11.50 per share.

Shionogi owns 12.5% of Enanta before its initial public offering, while Abbott Labs has 8.38%.

WiFi equipment maker Ruckus Wireless has set an initial public offering range of $13 per share to $15 per share and expects to sell 8.4m shares of stock.

Wintech owned a 7.3% stake, or 1.5 million shares, ahead of the flotation, which went down to 4.8% post the IPO.

Regulus Therapeutics has raised $80.9m in total proceeds from its initial public offering, a private placement, and convertible note.

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.