Apache Design Solutions was sold to US-based technology company Ansys after it had filed for a $75m flotation.

ASF Group and BASF are alongside One Equity and Kleiner Perkins looking to cash in on the cleantech company's flotation.

News Corp. is understood to be retaining a minority stake in MySpace having paid $581m for the social network in July 2005 from VC firms VantagePoint Venture Partners and Redpoint Ventures.

The conflicting signals for corporate venturing-backed flotations came among wider concerns about public equity capital markets.

Intel CApital-backed BCD listed 4.3 million American Depositary Shares (ADS) at $10.50 before expenses, with shareholders selling a further 1.6 million ADSs, according to the company's prospectus.

In a regulatory filing this month, Intel said it corporate venturing unit as well as the Middlefield Ventures portfolio held stakes in listed portfolio companies worth an aggregate $192.1m at the end of June.

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.

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

In a regulatory filing, US-based battery maker Ener1 said it was taking a $35.4m charge for loans to Think "based on the announcement by Think Global that, following an extended and ultimately unsuccessful search for long-term financing, it will file bankruptcy proceedings in the Norwegian courts on June 22".

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.