Nanobiotix S.A. (NBTX) stock: Winston Score, insiders and Congress trades
Nanobiotix is a French biotech company that uses tiny particles — smaller than a human cell — to make cancer treatments work better. Its main product, NBTXR3 (also called Hensify in Europe), is injected directly into tumors and then activated by radiation therapy to destroy cancer cells more effectively. The company sells to hospitals and cancer treatment centers, primarily in Europe and through partnerships in the United States and Asia. Nanobiotix earns revenue through product sales and partnership deals, including a significant collaboration with Bristol Myers Squibb, which paid to help develop and commercialize NBTXR3 globally. The company operates mainly out of France but has a growing presence in North America. Its core competitive advantage is its patented radioenhancer technology, which is a novel approach with few direct competitors. The main risk is that the company is still spending far more than it earns, and its long-term success depends heavily on clinical trial results and regulatory approvals in major markets like the United States.
Winston Score: 15 out of 100, Weak
Weak fundamentals across most pillars.
- Quality: Weak (1/30)
- Growth: Weak (3/20)
- Cash Flow: Weak (0/10)
- Stability: Weak (0/10)
- Valuation: Data not available (0/10)
- Ownership: Good (10/15)
Key Facts
Price: $23.68
Market Cap: $1.2B
Sector: Healthcare
Industry: Biotechnology
Exchange: NASDAQ
Editorial rules set and reviewed by Felix Prehn, Economist and Editor. Figures are refreshed daily from Financial Modeling Prep and company filings; last refreshed 2026-10-10.

