Alchemia acquired Audeo in 2006, when it was known as Meditech Research, paying $16.9m in shares plus a $2m loan.

Fender has been corporate-backed by Japan's Yamano Music and Kanda Shokai Corporation since the 1980s.

The healthcare company backed by Celgene and Eli Lilly's corporate venturing unit files to list on Nasdaq.

Intel Capital-backed Sinosun rose nearly 10% in its first day of trading on Thursday.

The company priced six million common shares at $13.50 each, which was the middle of its $12 to $15 per share range and for an initial market capitalisation of $360m.

Investment banks Jefferies and Leerink Swann are co-lead underwriters of OncoMed's initial public offering (IPO).

Investment banks JPMorgan and Goldman Sachs are co-lead underwriters of Kythera's initial public offering.

The antibiotics developer backed by SR One and MedImmune Ventures postponed its initial public offering a day after it halved the planned price of its float earlier this month.

The exact size of Microsoft's stake is outlined in the social network's latest regulatory filing.