ArrowMark Partners led a $250m Series B round in SmartLabs, a Boston-based Laboratory-as-a-Service firm, with participation from Winslow Capital Management, Onex Falcon, Conversion Venture Capital and Breed’s Hill Capital. The funding will fuel the company’s accelerated growth, with a plan to scale operations to 2m square feet within five years. In addition, SmartLabs announced the launch of the fourth version of its proprietary laboratory operations system (SmartLabs OS) which was first pioneered and introduced in 2016.