The Chevron-backed data filing firm is hoping it will be second time lucky, after it pulled a previous IPO during the financial crash in 2008.

Softbank and Google are set to be among the big paper winners in an initial public offering of the social gaming business reportedly valuing the company at $15bn to $20bn.

Liposcience, previously backed by General Electric among others, is hoping for better results this time around, after an abortive float almost 10 years ago.

Kior sold 10 million shares below its $19 to $21 per share range and two of its investors, venture capital firms Khosla Ventures and Artis Capital Management, said they would buy up to 3.5 million shares at its listing price in the initial public offering, according to its regulatory filing.

Advanced Equities owns 28.2% of Force10's shares but has decided against advising on the portfolio company's flotation.

Wintech, which is Ambarella's largest customer, owns 7.6% of Ambarella ahead of the portfolio company's flotation.

Applied Ventures, the corporate venturing fund of Nasdaq-listed electronics company Applied Materials, owns 6.3% of Enphase having invested about $5.5m in its series B through to E rounds and $2.44m in a convertible loan earlier this month, according to the portfolio company's regulatory filing.

The US-based search engine reportedly took an about $25m stake, which looks set to be worth more than $37.5m after holiday website HomeAway set its listing range.

Hearst Corporation was the only shareholder in Pandora Media with a more than 5% stake to sell down shares as part of the initial public offering to reap about $64.8m in pre-charge profits.

Fusion-io floats with corporate backers including Dell Ventures, Sumitomo Ventures and reportedly Samsung Ventures.