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 $224 (market cap $29.60B), while Biogen Inc trades at $204.1 (market cap $30.13B). The key difference: Alnylam Pharmaceuticals, Inc. and Biogen Inc are close in size 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 | $29.60B | $30.13B |
Sector | Health | Health |
52-Week High | $491.22 | $216.63 |
52-Week Low | $205.48 | $128.93 |
Enterprise Value | $27.56B | $37.20B |
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 $223.43, up 2.97% in 24 hours, with a bearish technical signal despite recent gains. The stock shows strong profitability with a 79.65% gross margin and 96.55% ROE, but valuation ratios like P/E of 38.54 are elevated. Recent Q2 2026 earnings missed estimates, and multiple law firms are investigating potential securities fraud, adding uncertainty.
Outlook is mixed: analyst consensus is bullish with a $370.07 price target, but risks include ongoing fraud probes and earnings volatility. Revenue growth is robust, projected to reach $4.8B in 2026, yet investors face headwinds from legal issues and technical bearishness.
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.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
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 →
