Compare Alnylam Pharmaceuticals, Inc. (ALNY) vs Biogen Inc (BIIB) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Alnylam Pharmaceuticals, Inc. vs Biogen Inc — how do they compare? Alnylam Pharmaceuticals, Inc. trades at $299.01 (market cap $39.89B), while Biogen Inc trades at $201 (market cap $29.40B). The key difference: Alnylam Pharmaceuticals, Inc. is the larger of the two by market cap, and Biogen Inc is trading nearer its 52-week high, Alnylam Pharmaceuticals, Inc. nearer its low. Which is the better fit depends on your goals.
| ALNY | BIIB | |
|---|---|---|
Market Cap | $39.89B | $29.40B |
Sector | Health | Health |
52-Week High | $491.22 | $216.63 |
52-Week Low | $278.09 | $122.68 |
Enterprise Value | $38.15B | $31.68B |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
ALNY trades at $298.76, down 4.49% today, but maintains a bullish technical outlook with strong support at $290. The company reported robust revenue growth to $3.71 billion in 2025, turning profitable with net income of $313.75 million. Analyst consensus is strongly bullish with a $429.50 price target, supported by positive news on drug pipelines and AI partnerships.
Outlook remains positive driven by expanding product portfolio and strategic collaborations, though risks include clinical trial outcomes and high valuation multiples. Earnings beats in recent quarters reinforce growth trajectory, but dependence on key drug Amvuttra and competitive pressures warrant monitoring for sustained shareholder value.
Biogen (BIIB) trades at $199.15, up 0.12% on the day, with a bullish technical signal from moving averages and RSI near oversold levels at 20.73. The company reported Q1 2026 EPS of $3.57, beating estimates of $3.05, continuing a trend of earnings surprises. Revenue for 2025 was $9.89B with a net income margin of 13.81%, while recent acquisitions like RayThera for up to $1B aim to bolster its immunology pipeline. Analyst consensus price target is $226.00, implying potential upside from current levels.
BIIB presents a mixed outlook with strong earnings momentum and strategic acquisitions offset by legacy drug sales declines and legal investigations. The stock's valuation at a P/E of 21.41 is reasonable relative to growth prospects, but investors face risks from pipeline execution and competitive pressures in biotech. Near-term catalysts include Alzheimer's data presentations at AAIC 2026 in July.
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 Alnylam Pharmaceuticals, Inc.
Alnylam Pharmaceuticals is a leader in the study of RNA interference (RNAi) therapeutics. RNAi is a naturally occurring biological pathway within cells for sequence-specific silencing and regulation of gene expression. Alnylam has five drugs on the market: Onpattro and Amvuttra for hATTR amyloidosis, Givlaari for acute hepatic porphyria, Oxlumo for primary hyperoxaluria type 1, and Leqvio for hypercholesterolemia.
Read more on ALNY →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 →
