Alnylam Pharmaceuticals, Inc. discovers, develops, manufactures, and commercializes therapeutics based on ribonucleic acid interference in the United States, Europe, and internationally. The company offers ONPATTRO for hereditary transthyretin-mediated (hATTR) amyloidosis; AMVUTTRA for ATTR and hATTR amyloidosis; Leqvio for hypercholesterolemia; Qfitlia for hemophilia A or B; GIVLAARI for acute hepatic porphyria; and OXLUMO for primary hyperoxaluria type 1. It also develops a range of products in Phase 3 trial, such as Nucresiran for ATTR amyloidosis; Zilebesiran for hypertension; Cemdisiran for myasthenia gravis, paroxysmal nocturnal hemoglobinuria, and geographic atrophy; and Elebsiran for hepatitis D virus infections. In addition, the company is developing various products in Phase 2 trial, including Rapirosiran for metabolic dysfunction-associated steatohepatitis; ALN-ANG3 for diabetic kidney disease; ALN-4324 for type 2 diabetes mellitus; Mivelsiran for cerebral amyloid angiopathy, as well as in Phase 1 trial for Alzheimer's disease; and ALN-6400 for bleeding disorders. Further, it develops a range of products in Phase 1 trial, such as ALN-2232 for obesity and weight management; ALN-PNP for non-alcoholic fatty liver disease; ALN-APOC3 for dyslipidemia; ALN-CIDEB for metabolic dysfunction-associated steatohepatitis; ALN-HTT02 for Huntington's disease; ALN-5288 for Alzheimer's disease; ALN-SOD for SOD1 amyotrophic lateral sclerosis; ALN-SNCA for Parkinson's disease; AG-236 for polycythemia vera; ALN-CFB for paroxysmal nocturnal hemoglobinuria; ALN-BCAT for hepatocellular carcinoma; and ALN-4285, ALN-4915, and ALN-F1202 for healthy volunteers. The company has collaborations with Regeneron Pharmaceuticals, Inc.; Roche Holding AG; Sanofi S.A.; Novartis AG; PeptiDream, Inc; Dicerna Pharmaceuticals, Inc.; and Ionis Pharmaceuticals, Inc. Alnylam Pharmaceuticals, Inc. was founded in 2002 and is headquartered in Cambridge, Massachusetts.
Alnylam Pharmaceuticals, Inc. (ALNY) reported trailing twelve months revenue of $4.29B as of March 2026, a 82.6% increase year-over-year. Quarterly revenue reached $1.17B, reflecting continued top-line momentum.
Alnylam Pharmaceuticals, Inc. generated $577.22M in TTM net income, with quarterly EBITDA of $268.64M. The operating margin expanded from 3.0% to 23.0%, suggesting improving cost efficiency and pricing discipline.
The spread between operating margin (23.0%) and net margin (17.6%) indicates moderate non-operating costs. Net margin has improved from -9.7% a year ago, signaling stronger bottom-line efficiency.
ALNY trades at a P/E of 72.8x (a premium multiple) and a P/S of 9.8x. The price-to-book ratio of 39.1x indicates a significant premium over book value.
The company generated $48.67M in free cash flow over the trailing twelve months, a 138.2% increase year-over-year, indicating cash generation ability. The balance sheet shows $5.13B in total assets with $1.01B in long-term debt against $1.08B in stockholders equity for a debt-to-equity ratio of 0.9. Data based on the most recent quarterly reports.
Competitive analysis based on 21 quarters of fundamental data
Operating margins are under pressure, averaging 5.0%. The business may lack pricing power or face rising costs.'
ROE is low or negative, suggesting limited competitive advantage or capital allocation challenges.
6 of the last 8 quarters generated positive FCF. The company generally funds itself but has occasional cash consumption quarters.
TTM revenue has grown consistently (6 of 7 quarters up), with ~82.9% growth over the period. Strong demand durability.
Data-driven red flags and warnings across 21 quarters
The company posted negative operating margins in recent quarters — core operations are unprofitable.
FCF/Net Income has dropped below 0.7x in 4 quarters — monitor for earnings quality deterioration.
D/E ratio is 0.9 — conservative capital structure with low financial risk.
Revenue is stable or growing over recent quarters — demand appears durable.
FCF turned negative in 2 of the last 8 quarters — occasional cash consumption.
Shares outstanding rose 4.9% — mild dilution. Compare to earnings growth to assess net per-share impact.
Quarterly standardized metrics.
Stock price and market valuation
Revenue and earnings growth across quarters
Assets, cash, debt, and leverage
Price multiples and return ratios
Operating efficiency and return metrics
Free cash flow, earnings quality, and capital allocation