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.

Healthcare-focused investment bank Leerink Swann has co-led the $81m Nasdaq stock exchange flotation of cancer treatment company Tesaro, after the bank backed the company last year.

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.

Other advisers on the initial public offering are banks Citigroup, Morgan Stanley, the two of which are also co-leads, as well as BMO Capital…