1. Abbott Laboratories
2. AbbVie Inc.
3. AstraZeneca PLC
4. Basilea Pharmaceutica Ltd.
5. Bayer AG
6. Bristol Myers Squibb Company
7. Daiichi Sankyo Company
Limited
8. F. Hoffmann-La Roche Ltd.
9. Gilead Sciences Inc.
10. GlaxoSmithKline PLC
11. Johnson & Johnson Services Inc.
12. Merck & Co. Inc.
13. Pfizer Inc.
14. Sanofi S.A.
15. Spero Therapeutics