1. Bristol-Myers Squibb Company.
2. AstraZeneca plc.
3. Merck KGaA
4. F. Hoffmann-La Roche Ltd
5. Regeneron Pharmaceuticals Inc
6. Pfizer Inc
7. Janssen Global Services
LLC
8. 4SC AG
9. Mirati Therapeutics Inc.
10. Ascentage Pharma.