Linden Capital Partners, a private equity firm, completed the acquisition of a majority stake in Aptitude Health Holdings, a healthcare services company. Financial terms were not disclosed. "We are proud of the business we have built at Aptitude Health and are excited to partner with Linden to accelerate our growth and expand the breadth of services we can provide to our customers. We chose Linden because of their deep healthcare and pharmaceutical services experience and are confident they have the knowledge and resources to support our shared value creation program," Alexei Rojanets, Aptitude Health CEO and Founder.