Alnylam Pharmaceuticals, Inc. vs Plug Power Inc — how do they compare? Alnylam Pharmaceuticals, Inc. trades at $221.2 (market cap $29.03B), while Plug Power Inc trades at $2.22 (market cap $2.94B). The key difference: Alnylam Pharmaceuticals, Inc. is far larger — about 9.9× Plug Power Inc's market cap, and Plug Power Inc is trading nearer its 52-week high, Alnylam Pharmaceuticals, Inc. nearer its low. Which is the better fit depends on your goals.
| ALNY | PLUG | |
|---|---|---|
Market Cap | $29.03B | $2.94B |
Sector | Health | Industrials |
52-Week High | $491.22 | $4.14 |
52-Week Low | $205.48 | $1.41 |
Enterprise Value | $26.99B | $3.73B |
Signals from Pluang's Aura AI — not financial advice
ALNY trades at $219.20, down 1.43% amid bearish technical signals and recent earnings volatility. The stock faces near-term pressure from a Q2 2026 EPS miss and lowered 2026 sales guidance, but maintains strong fundamentals with 2025 revenue of $3.71B and net income of $313.75M. Analyst consensus remains bullish with a $370.07 price target, though multiple law firms are investigating potential securities fraud as reported by PRNewsWire and GlobeNewsWire in early August 2026.
Outlook is mixed: robust revenue growth and high profitability margins support long-term potential, but legal uncertainties and recent earnings disappointments pose significant risks. The stock's current valuation (P/E 38.19) reflects growth expectations, yet investor caution is warranted given technical bearishness and ongoing investigations.
Plug Power (PLUG) trades at $2.18, up 5.31% with a bearish technical signal despite recent earnings beat. The company shows improving operational metrics with reduced cash usage and margin improvements, though it remains unprofitable with negative gross margins of -25.66%. Management targets positive EBITDA by Q4 2026 while navigating significant liquidity challenges through asset sales and financing activities.
While analyst consensus leans bullish with a $2.22 price target, PLUG faces substantial execution risks amid persistent losses and cash burn. The stock offers speculative upside if management delivers on profitability targets, but investors face elevated risk from the company's negative cash flow and competitive hydrogen market pressures.
Trailing returns across standard periods
Latest headlines on both assets
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 →Plug Power is building an end-to-end green hydrogen ecosystem—from production, storage and delivery to energy generation. The company plans to build and operate green hydrogen highways across North America and Europe. Plug will deliver its green hydrogen solutions directly to its customers and through joint venture partners into multiple end markets—including material handling, e-mobility, power generation, and industrial applications.
Read more on PLUG →