Business Strategy and Outlook
| Karen Andersen |We think Biogen's specialty-market-focused drug portfolio and novel, neurology-focused pipeline create a wide economic moat. Biogen's strategy has its roots in the 2003 merger of Biogen (multiple sclerosis drug Avonex) and Idec (cancer drug Rituxan). While Rituxan is succumbing to biosimilar competition, Biogen is expanding its neurology portfolio beyond MS, including blockbuster neuromuscular disease drug Spinraza and several promising drugs, including Leqembi in Alzheimer's disease.