Alnylam Pharmaceuticals, Inc. vs TransMedics Group Inc — how do they compare? Alnylam Pharmaceuticals, Inc. trades at $299.01 (market cap $39.89B), while TransMedics Group Inc trades at $71 (market cap $2.46B). The key difference: Alnylam Pharmaceuticals, Inc. is far larger — about 16.2× TransMedics Group Inc's market cap. Which is the better fit depends on your goals.
| ALNY | TMDX | |
|---|---|---|
Market Cap | $39.89B | $2.46B |
Sector | Health | Technology |
52-Week High | $491.22 | $150.42 |
52-Week Low | $278.09 | $61.99 |
Enterprise Value | $38.15B | $2.86B |
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.
TransMedics Group (TMDX) trades at $71.23, down 1.33% on the day, with a bearish technical signal despite strong profitability metrics including a 27.04% net income margin and 45.22% ROE. Recent Q1 2026 earnings missed expectations, but the company is expanding its Organ Care System into Europe through a strategic investment in PAD Aviation. Analyst consensus remains bullish with a $108.71 price target, though margin pressure from expansion investments is a noted concern.
The outlook for TMDX is mixed; strong fundamentals and growth initiatives support long-term potential, but near-term execution risks and technical weakness pose challenges. Investors should weigh the company's competitive moat in transplant logistics against volatility from earnings misses and high valuation multiples during its expansion phase.
Trailing returns across standard periods
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 →TransMedics is a pioneering medical technology company that is disrupting the organ transplant market with its Organ Care System (OCS™). By replacing traditional cold storage with portable warm perfusion, the OCS maintains donor organs in a near-physiologic state, allowing for continuous assessment and optimization. Through its National OCS Program (NOP™), TransMedics provides an end-to-end clinical and logistics solution, including a dedicated aviation fleet, to maximize the utilization of donor organs and improve patient outcomes.
Read more on TMDX →