Alnylam Pharmaceuticals, Inc. vs American Tower Corp — how do they compare? Alnylam Pharmaceuticals, Inc. trades at $224 (market cap $29.60B), while American Tower Corp trades at $170.43 (market cap $79.00B). The key difference: American Tower Corp is far larger — about 2.7× Alnylam Pharmaceuticals, Inc.'s market cap, and American Tower Corp pays a 4.12% dividend while Alnylam Pharmaceuticals, Inc. pays none. Which is the better fit depends on your goals.
| ALNY | AMT | |
|---|---|---|
Market Cap | $29.60B | $79.00B |
Sector | Health | Real Estate |
52-Week High | $491.22 | $211.88 |
52-Week Low | $205.48 | $162.11 |
Enterprise Value | $27.56B | $122.53B |
Dividend Yield | — | 4.12% |
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.
American Tower Corporation (AMT) trades at $170.48, up 0.81% with strong fundamental performance including three consecutive quarterly earnings beats and robust profitability metrics. The stock shows bearish technical signals despite analyst optimism, with 79.6% buy ratings and a $206.17 consensus price target representing 21% upside potential. Recent Q2 2026 results demonstrated accelerated lease contract growth and raised full-year guidance.
AMT presents a compelling investment case with strong revenue visibility from telecom infrastructure demand and 5G/6G expansion cycles. However, high debt levels and interest rate sensitivity pose significant risks. The stock offers defensive characteristics through recurring revenue streams but faces headwinds from DISH Network churn and capital expenditure requirements.
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 →American Tower owns and operates more than 220,000 cell towers throughout the U.S., Asia, Latin America, Europe, and Africa. It also owns and/or operates 25 data centers in eight U.S. markets after acquiring CoreSite. On its towers, the company has a very concentrated customer base, with most revenue in each market being generated by just the top few mobile carriers. The company operates more than 40,000 towers in the U.S., which accounted for more than half of its total revenue in 2021. Outside the U.S., American Tower's greatest presence is in India and Brazil, where it operates roughly 75,000 and 19,000 towers, respectively. American Tower operates as a real estate investment trust.
Read more on AMT →