Holtzbrinck Ventures led the round, which the share trading app developer will put toward marketing, product development and hiring.

MindMaze is developing a platform for building virtual and augmented reality products and is currently focusing on neuroscience.

Statoil Energy Ventures will invest the capital over the next four-to-seven years and will complement the firm's Statoil Technology Invest unit.

Business Growth Fund exited packaging maker Plastique, in which it invested $7.2m, through an acquisition by a subsidiary of Esco Technologies.

Bank-backed growth equity fund Business Growth Fund has invested $9.7m in waste management company TRS and recommended its new non-executive chairman.

Sheffield University spinout laser developer Stratium raises $435,000 in seed funding from IP Group and Finance Wales.

The mobile payment platform has now raised $51m in total, with Rocket Internet, Smart Communications and Holtzbrinck Ventures among its backers.