RaySearch Laboratories is a Sweden-based medical tech company, specialising in oncology software. Founded in 2000, the company has grown into a global market leader, providing its advanced software for radiation therapy to more than 415 cancer centres worldwide. RaySearch Laboratories collaborates on advanced research projects with Massachusetts General Hospital in Boston, Princess Margaret Hospital in Toronto, the Royal Institute of Technology in Stockholm, the EU’s Artforce, and Stanford University. The company’s commercial partners include Philips and Nucletron in the Netherlands, IBA in Belgium, Accuray and Varian Medical Systems in the US, and Brainlab in Germany. The RAY B stock is listed on the NASDAQ Stockholm.