Pharma Mar SA is a biopharmaceutical holding company, which engages in research, development, production, and commercialization of bio-active principles of marine origin for application in oncology. It operates through the following segments: Oncology, Diagnostics, and RNAi. The Oncology segment focuses to the group undertakings whose object is to research, develop, and market anti-tumour drugs. The Diagnostics segment focuses in the development and marketing of diagnostic kits. The RNAi segment develops drugs with therapeutic activity based on reducing or silencing gene expression. The company was founded by José Maria Fernández de Sousa-Faro on April 30, 1986 and is headquartered in Colmenar Viejo, Spain.