Lantheus, headquartered in Billerica, Massachusetts, is a company in the radiopharmaceuticals business. It has strategic partnerships with Bayer, Novartis, Regeneron as well as GE Healthcare and Siemens Healthineers. Lantheus Holding, which became a NASDAQ company in 2015, is the parent company of Lantheus Medical Imaging, Inc., Progenics Pharmaceuticals, Inc. and EXINI Diagnostics AB. Lantheus has offices in Massachusetts, New Jersey, Canada and Sweden. Brian Markison has served as the company's CEO since March 1, 2024, following the retirement of Mary Anne Heino, who had led Lantheus for the preceding decade. Wikipedia