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Daily valuation snapshot
Alnylam Pharmaceuticals, Inc.: source evidence dated 2026-10-09.
- Daily close (USD)
- $232.68
- Market capitalization (USD)
- $31,134,705,576.24
- Price / earnings (TTM)
- 38.53
- Price / book
- 22.99
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Company overview
Alnylam Pharmaceuticals, Inc. discovers, develops, and commercializes therapeutics based on ribonucleic acid interference. It offers ONPATTRO and AMVUTTRA for hereditary transthyretin-mediated amyloidosis; GIVLAARI for acute hepatic porphyria; OXLUMO for primary hyperoxaluria type 1; and Leqvio for hypercholesterolemia. It also develops vutrisiran, which is in phase III clinical trial for transthyretin amyloidosis (ATTR) with cardiomyopathy; Nucresiran that is in phase I clinical trial for ATTR amyloidosis; Fitusiran, which is in phase III clinical trial for hemophilia; cemdisiran that is in phase III clinical trial for Myasthenia Gravis and paroxysmal nocturnal hemoglobinuria, and geographic atrophy; and ALN-6400, which is in phase I clinical trial for bleeding disorders. In addition, the company is also developing Zilebesiran, which is in phase II clinical trial for hypertension; Rapirosiran that is in phase II clinical trial for Metabolic dysfunction-associated steatohepatitis; ALN-4324, which is in phase I clinical trial for type 2 diabetes mellitus; ALN-PNP that is in phase I clinical trial for non-alcoholic fatty liver disease; ALN-APOC3, which is in phase I clinical trial for dyslipidemia; Mivelsiran that is in phase II clinical trial for cerebral amyloid angiopathy, and phase I clinical trial for Alzheimer's disease; and ALN-HTT02 that is in phase I clinical trial for Huntington's disease. Further, it develops ALN-SOD, which is in phase II clinical trial for SOD1 Amyotrophic lateral sclerosis; Elebsiran that is in phase II clinical trial for Hepatitis B and D virus infections; ALN-BCAT that is in phase I clinical trial for hepatocellular carcinoma; and ALN-ANG3. It has collaborations with Regeneron Pharmaceuticals, Inc.; Roche Holding AG; Regeneron Pharmaceuticals, Inc.; Sanofi S.A.; Novartis AG; PeptiDream, Inc; Dicerna Pharmaceuticals, Inc.; and Ionis Pharmaceuticals, Inc. The company was founded in 2002 and is headquartered in Cambridge, Massachusetts.
Daily valuation snapshot
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These values come from the daily market snapshot dated 2026-10-09. TTM means trailing twelve months. Use the market date when comparing ALNY with another company.
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| Daily close (USD) | $232.68 |
| Market capitalization (USD) | $31,134,705,576.24 |
| Price / earnings (TTM) | 38.53 |
| Price / book | 22.99 |
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Read ALNY's valuation metrics
Company size
Alnylam Pharmaceuticals, Inc.'s recorded market capitalization is $31,134,705,576.24. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
ALNY's recorded P/E is 38.53: about $38.53 of share price for each $1 of trailing annual earnings per share. Compare that multiple with earnings growth and companies in the same business.
Price relative to book equity
ALNY's recorded price-to-book ratio is 22.99. That compares its market equity value with recorded book equity. Examine its business and balance sheet to understand why those values differ.
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