Siegfried Holding AG is a Swiss pharmaceutical company that specializes in the development and production of active pharmaceutical ingredients (APIs) and finished dosage forms. The company was founded in 1873 and is headquartered in Zofingen, Switzerland. Siegfried Holding AG operates in Europe, North America, and Asia and has production facilities in Switzerland, Germany, France, China, and the United States. The company's products are used in various therapeutic areas, including oncology, central nervous system disorders, cardiovascular diseases, and respiratory diseases. Siegfried Holding AG is listed on the SIX Swiss Exchange and has a market capitalization of approximately CHF 1.2 billion.