Shareholders Novo and Johnson & Johnson invested a total of $4.6m as the neurostimulation device maker went public in a flotation that could rise to almost $145m.

University of Missouri, Columbia spin-out secures investment as it gears up for a $10m round.

The MedImmune-backed glaucoma treatment developer aims to raise up to $86.3m from its initial public offering, as well as an additional $46m in convertible debt.

Medical imaging company Butterfly Network graduates from incubator raising $100m from investors including Stanford University.

AbbbVie-backed Virobay had planned to raise up to $50m in an initial public offering that would have funded development of its drug development programme.