Steamboat Ventures-backed Sometrics has sold 3.3 trillion units of its Game Coins virtual currency since launching in 2007, with more than 2 million users spending the currency every month.

The currency trading platform is backed by 10 banking groups and financial services firms, some of which will be acting as book-running managers for the IPO.

The company floated in Australia rather than the US as its EndoBarrier product for type II diabetes has regulatory approval in the country but has yet to be passed by America's.

US-based publisher International Data Group through its Chinese corporate venturing unit previously invested RMB5m ($) in 5173 in December 2006, while the portfolio company's other investors include venture capital firm Walden, according to news provider China Business News, citing a company filing for its initial public offering.

Burda Digital Ventures (BDV), the corporate venturing unit of Burda Digital had owned a minority stake in Mokono since 2007.

In a filing, Craig Wireless said it would own 51% of a new holding company, Woosh, with the latter's current chairman, Rod Inglis, the remainder.

Mascoma's largest corporate shareholders are SunOpta, Valero and General Motors.

Parade Technologies, a US-based fabless semiconductor company that in September last year shipped its 100 millionth chip, has floated on Taiwan's over-the-counter market, GreTai Securities Market, while Intel Capital also celebrates with investment in Tribold.

GCT, which counts fellow semiconductor companies Samsung, National and Pericom among its investors, will go public but the price is still to be set.

BlueArc, which was slated to raise $100m in a float, sells to Hitachi, at a valuation reportedly approaching $600m.