Compare Biogen Inc (BIIB) vs Sanofi SA (SNY) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Biogen Inc vs Sanofi SA — how do they compare? Biogen Inc trades at $204.1 (market cap $30.13B), while Sanofi SA trades at $43.6 (market cap $104.30B). The key difference: Sanofi SA is far larger — about 3.5× Biogen Inc's market cap, and Sanofi SA pays a 5.55% dividend while Biogen Inc pays none. Which is the better fit depends on your goals.
| BIIB | SNY | |
|---|---|---|
Market Cap | $30.13B | $104.30B |
Sector | Health | Health |
52-Week High | $216.63 | $52.34 |
52-Week Low | $128.93 | $41.33 |
Enterprise Value | $37.20B | $124.19B |
Dividend Yield | — | 5.55% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Biogen (BIIB) trades at $208.85, up 0.83% with bullish technical signals and strong institutional support. The company has delivered three consecutive earnings beats, with Q2 2026 EPS of $3.60 exceeding estimates by 22%. Recent acquisition of RayThera and raised 2026 guidance demonstrate strategic growth initiatives. Valuation metrics show a P/E of 36.21 and P/S of 3.01, while maintaining solid profitability with 73.99% gross margins.
Biogen presents a compelling investment case with strong earnings momentum and strategic acquisitions driving growth. However, investors face risks from declining legacy MS drug sales and net income margin compression from 16.86% in 2024 to 8.32% projected for 2026. The stock offers 12% upside to consensus price target of $234.47, supported by 62.5% analyst buy ratings.
SNY trades at $43.62, up 0.32% today, with a neutral technical signal and bullish moving averages. The company reported strong Q2 2026 earnings, beating estimates with EPS of $1.21 versus $1.10 expected, and raised its 2026 outlook. Revenue for 2025 was $46.72B with net income of $7.81B, showing improved profitability. Analyst consensus is mixed with 44% Buy, 52% Hold, and 4% Sell ratings. Recent news highlights regulatory approvals for new drugs and pipeline developments under new CEO leadership.
The outlook for SNY is cautiously optimistic, driven by Dupixent's growth and new drug approvals, but faces risks from pipeline setbacks and competition. Earnings momentum and cost discipline support upside potential, though valuation multiples like a P/E of 23.27 may limit near-term gains. Key risks include biosimilar threats post-2031 and ongoing legal challenges. Institutional activity shows increased holdings, reflecting confidence in the company's strategic direction.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Top news
Latest headlines on both assets
Top news
Latest headlines on both assets
About Biogen Inc
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.
Read more on BIIB →About Sanofi SA
Sanofi develops and markets drugs with a concentration in oncology, immunology, cardiovascular disease, diabetes, and vaccines. However, the company's decision in late 2019 to pull back from the cardio-metabolic area will likely reduce the firm's footprint in this large therapeutic area. The company offers a diverse array of drugs with its highest revenue generator, Dupixent, representing just over 10% of total sales, but profits are shared with Regeneron. About 30% of total revenue comes from the United States and 25% from Europe. Emerging markets represent the majority of the remainder of revenue.
Read more on SNY →
