AstraZeneca plc vs Biogen Inc — how do they compare? AstraZeneca plc trades at $158.4 (market cap $248.14B), while Biogen Inc trades at $204.1 (market cap $30.13B). The key difference: AstraZeneca plc is far larger — about 8.2× Biogen Inc's market cap, and AstraZeneca plc pays a 2.01% dividend while Biogen Inc pays none. Which is the better fit depends on your goals.
| AZN | BIIB | |
|---|---|---|
Market Cap | $248.14B | $30.13B |
Sector | Health | Health |
52-Week High | $209.48 | $216.63 |
52-Week Low | $147.06 | $128.93 |
Enterprise Value | $275.41B | $37.20B |
Dividend Yield | 2.01% | — |
Signals from Pluang's Aura AI — not financial advice
AstraZeneca (AZN) trades at $158.48, down 2.12% amid bearish technical signals and merger speculation. The stock shows strong fundamentals with revenue growth from $54.1B in 2024 to $58.7B in 2025 and net income reaching $10.2B. Recent earnings beats and a 47.5% analyst buy rating contrast with technical indicators showing oversold conditions near key support at $155.
Investment outlook remains positive based on earnings momentum and valuation metrics (P/E 23.76), though risks include potential merger integration challenges and ongoing legal investigations. The company's robust cash flow generation and dividend payments provide shareholder value support despite near-term volatility.
Biogen (BIIB) trades at $206.48, down 0.31% on the day, with a bullish technical signal supported by moving averages. The company reported Q2 2026 EPS of $3.60, beating estimates of $2.94, and raised full-year guidance, driven by growth in Alzheimer's and rare disease portfolios. Recent acquisitions like RayThera and Apellis bolster its pipeline. Revenue for 2025 was $9.89 billion with a net income margin of 13.07%, though margins have fluctuated year-over-year.
Outlook remains positive with strong analyst support (62.5% buy rating) and a consensus price target of $234.47, implying ~14% upside. Key risks include reliance on new drug launches to offset declining multiple sclerosis sales and integration challenges from acquisitions. Cash flow trends show variability, with 2026 projecting negative net cash flow due to significant investing activities.
Trailing returns across standard periods
Latest headlines on both assets
A merger between Astra of Sweden and Zeneca Group of the United Kingdom formed AstraZeneca in 1999. The firm sells branded drugs across several major therapeutic classes, including gastrointestinal, diabetes, cardiovascular, respiratory, cancer, and immunology. The majority of sales come from international markets with the United States representing close to one third of its sales.
Read more on AZN →Biogen and Idec merged in 2003, combining forces to market Biogen's multiple sclerosis drug Avonex and Idec's cancer drug Rituxan. Today, Rituxan and next-generation antibody Gazyva are marketed via a collaboration with Roche. Biogen also markets novel MS drugs Plegridy, Tysabri, Tecfidera, and Vumerity. In Japan, Biogen's MS portfolio is co-promoted by Eisai. Hemophilia therapies Eloctate and Alprolix (partnered with SOBI) were spun off as part of Bioverativ in 2017. Biogen has several drug candidates in phase 3 trials in neurology and neurodegenerative diseases and has launched Spinraza with partner Ionis. Aduhelm was approved as the firm's first Alzheimer's disease therapy in June 2021.
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