Record Quarterly Product Revenues
Combined net product revenues of $1.036 billion in Q1 2026 — the company's first quarter exceeding $1 billion; +121% year-over-year and +4% sequentially versus Q4 2025.
TTR Franchise Momentum
Global TTR net revenues of $910 million in Q1 2026; +153% year-over-year and +6% quarter-over-quarter. U.S. TTR revenues grew ~9% vs Q4 and >230% year-over-year, with $59 million U.S. revenue growth over Q4 despite seasonal shipping and reauthorization dynamics.
Strong Rare Disease and Royalty Performance
Rare disease net revenues of $126 million, +15% year-over-year. Royalty revenues of $49 million, up 85% year-over-year driven by higher global LEQVIO sales.
Profitability and Cash Position
Non-GAAP operating income of $339 million — more than 4x increase year-over-year. Third consecutive quarter of both GAAP and non-GAAP profitability. Cash, cash equivalents and marketable securities of $3.0 billion (up from $2.9 billion at year-end 2025).
Pipeline Progress and Clinical Momentum
More than 25 clinical programs in development. Initiated Phase I trial of ALN-2232 (adipose-directed RNAi). Presented impactful vutrisiran and zilebesiran data at ACC. Advanced nucresiran TRITON-CM Phase III with enrollment accelerating and protocol expansion from ~1,250 to ~1,750 patients.
Real-World Evidence Supporting Vutrisiran
Retrospective real-world data (~4 years) showing >93% adherence to vutrisiran (>=80% days covered) and >85% persistence at >1 year. HELIOS-B post-hoc analyses showed vutrisiran reduced risk of worsening diastolic dysfunction and lowered all-cause mortality and cardiovascular events irrespective of baseline DDG.
Commercial Execution and Prescriber Expansion
More than 1,200 unique new U.S. prescribers since last March. Adherence for AMVUTTRA exceeded 90% and first-line access coverage over 90% with most patients facing $0 out-of-pocket; international reimbursement wins and AMVUTTRA launches in Austria, U.K., Switzerland, Italy and strong execution in Japan.
Reiterated 2026 Guidance and Strategic Vision
Reiterated full-year guidance (including $4.4B–$4.7B TTR product sales expectation) and reiterated Alnylam 2030 strategic goals: deliver ≥2 transformative medicines beyond TTR, RNAi delivery to ≥10 tissue types, >40 programs in clinic by 2030 and invest ~30% of revenues in non-GAAP R&D across the period.