Minnesota mergers and acquisitions Text size Copy shortlink: Software Inc. Eden Prairie accelerates and optimizes file transfers across global networks. Ottawa, Ontario 12/23 Change Healthcare Inc. UnitedHealth Group Inc. UnitedHealth Group's Optum unit will acquire Change Healthcare Inc. for Nashville Minnetonka $7.8 billion, plus about $5 billion in debt, to strengthen its portfolio of health care technology services and capabilities. 1/4 NimbeLink Corp. Airgain Inc. Airgain, provider of advanced antenna technologies used to enable high Plymouth San Diego performance wireless networking, has acquired NimbeLink, a provider of cellular industrial "Internet of Things" products and services. More from Star Tribune