Alnylam Pharmaceuticals, Inc. vs Sirius XM Holdings Inc — how do they compare? Alnylam Pharmaceuticals, Inc. trades at $224 (market cap $29.60B), while Sirius XM Holdings Inc trades at $28.42 (market cap $9.70B). The key difference: Alnylam Pharmaceuticals, Inc. is far larger — about 3.1× Sirius XM Holdings Inc's market cap, and Sirius XM Holdings Inc pays a 3.75% dividend while Alnylam Pharmaceuticals, Inc. pays none. Which is the better fit depends on your goals.
| ALNY | SIRI | |
|---|---|---|
Market Cap | $29.60B | $9.70B |
Sector | Health | Media |
52-Week High | $491.22 | $32.59 |
52-Week Low | $205.48 | $19.92 |
Enterprise Value | $27.56B | $18.98B |
Dividend Yield | — | 3.75% |
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.
Sirius XM Holdings (SIRI) trades at $28.40, down 1.32% with bearish technical signals despite attractive valuation metrics including P/E of 11.56 and P/B of 0.81. The company reported mixed Q2 2026 results with a revenue beat but earnings miss, while maintaining stable cash flow and announcing a $0.27 dividend. Recent news highlights satellite communications growth potential and institutional positioning.
SIRI presents a value opportunity with strong cash generation and dividend yield, though near-term headwinds include subscriber challenges and debt levels. Analyst consensus remains bullish with $33.17 price target representing 17% upside, but investors should monitor execution on subscriber retention and competitive pressures in the evolving audio streaming landscape.
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 →SiriusXM Holdings is now composed of two businesses: SiriusXM and Pandora. SiriusXM transmits music, talk shows, sports, and news via its two satellite radio networks, primarily to consumers in vehicles who pay a subscription fee. The firm's radios come preinstalled on a wide range of light vehicles in the U.S. and Canada. The firm acquired Pandora Media in February 2019 via an all-stock transaction. Pandora is a streaming music platform that offers an ad-supported radio option and a paid on-demand service. Liberty Media owns 80% of SiriusXM, traded through its Liberty SiriusXM Group tracking stock.
Read more on SIRI →