Gilead Sciences (GIS.DE) Stock Analysis & Winston Score
Gilead Sciences is a pharmaceutical company that makes medicines for serious diseases. Its most well-known products treat HIV, hepatitis B, hepatitis C, and cancer. Gilead's HIV drugs — including the Biktarvy and Descovy brands — are among the most widely prescribed in the world, and its antiviral drug Remdesivir was one of the first approved treatments for COVID-19. Gilead makes money by selling prescription medicines to hospitals, pharmacies, and healthcare providers, primarily in the United States but also across Europe and other global markets. With a gross margin near 80%, the company benefits from strong pricing power on patented drugs, which is a key part of its competitive position. The main risk Gilead faces is patent expiration — when patents run out, cheaper generic versions of its drugs can enter the market and sharply reduce revenue — though its oncology pipeline, built partly through its $21 billion acquisition of Immunomedics, represents a significant growth opportunity.
Winston Score: 52/100 — Average
Mixed quality — meaningful strengths and weaknesses.
- Quality: Exceptional (30/30)
- Growth: Mixed (9/20)
- Cash Flow: Mixed (4/10)
- Stability: Good (5/10)
- Valuation: Data not available (0/10)
- Ownership: Weak (1/15)

