The Proteosys-backed pharmaceutical company, formed through a merger last year, is also set to raise $26m from a concurrent private placement to Johnson & Johnson.

IDG's China subsidiary and private equity firm Jafco both achieved partial exits as the education services provider went public raising $137.7m.

The SAP-backed company, which is developing software to target the call centre market, has secured $70m in an initial public offering that could rise to $80.5m.

Truecar, an online provider of automotive pricing information that counts USAA and Capital One among its key shareholders, has targeted $125m in its initial public offering.

Opower, a GE-backed company that uses data analysis to make energy use more efficient, has raised $115.9m from an IPO that could close at more than $133m.

Healthcare authentication and communication company Imprivata, which has raised $32m from investors including SAP Ventures, aims to generate up to $115m from its initial public offering.

The biopharmaceutical company, which has investors including the corporate venturing subsidiaries of GlaxoSmithKline and MedImmune, has secured $50m from its initial public offering.

The GE-backed energy management company has set the range for an initial public offering that could raise up to $115.9m.

The Amunix-backed biopharmaceutical company could close its initial public offering at almost $145m, and will invest the proceeds in developing its lead drug candidate.