Each Friday the Global Corporate Venturing Deal Net rounds up the week’s smaller deals and tracks the emerging companies accessing corporate funds.

Axovant Sciences has spun out its small molecule team into a startup called Arvelle, which will develop an anti-epileptic drug after raising more than $100m in external funding.

General Motors has reportedly purchased a 35% stake in the automotive data sharing platform through a cash and data deal that valued it at $275m.

Stripe and General Catalyst co-led the series B round, which reportedly increased the finance management software developer's total funding to $60m.

Siemens Technology Accelerator venture director Nico Straub has taken a partner position at Bioventure Consulting after nearly six years at the unit.

The conglomerate has paid approximately $256m for a 20% stake in smart energy distributor and technology provider Ovo Energy.

The Irish private equity investor is reportedly approaching AIG, Goldpoint and Cigna, all of which backed the firm's debut vehicle in 2013, for commitments to its Fund II.

Spun out of Inesc Tec under a strategic agreement with Frontier IP, Insignals hopes to commercialise a surgical guidance device for brain implants to treat conditions including Parkinson's.

Alibaba has participated in a $13m extension that adds to the $20m the AI-based rail infrastructure sensor provider collected last April.

The chemicals producer now has a total of more than $280m under management for its corporate venturing activities, having launched its first fund six years ago.