Chugai Pharmaceutical Co. (CHGCY) Stock Analysis & Winston Score
Chugai Pharmaceutical is a Japanese drug company that discovers and sells prescription medicines, focusing mainly on cancer treatments and other serious diseases. Its best-known products include Actemra, used for arthritis and immune conditions, and Hemlibra, a treatment for hemophilia. Chugai sells primarily to hospitals and clinics in Japan, with a significant portion of sales coming from international markets through its parent company, Roche, which owns about 60% of Chugai. Chugai makes money by selling patented medicines to healthcare providers, earning some of the highest profit margins in the pharmaceutical industry — its operating margin sits near 48%. The company operates mainly in Japan but benefits from Roche's global distribution network, which gives it access to markets across Europe and the United States. Its deep research partnership with Roche is a key competitive advantage, though heavy reliance on a small number of blockbuster drugs means patent expirations or clinical trial failures could meaningfully hurt revenue.
Winston Score: 72/100 — Strong
A high-quality business with solid fundamentals.
- Quality: Strong (23/30)
- Growth: Strong (14/20)
- Cash Flow: Exceptional (9/10)
- Stability: Good (5/10)
- Valuation: Strong (7/10)
- Ownership: Good (10/15)
Key Facts
Price: $22.61
Market Cap: $74.4B
Sector: Healthcare
Industry: Medical - Pharmaceuticals
Exchange: Other OTC

