ALNYNasdaqPharmaceutical PreparationsUS GAAP · USD

Alnylam Pharmaceuticals, Inc

Alnylam Pharmaceuticals, Inc. is a Cambridge, Massachusetts-based biopharmaceutical company focused on RNA interference (RNAi) medicines that silence disease-causing genes. It commercializes multiple approved therapies for rare diseases and transthyretin (ATTR) amyloidosis, while also generating revenue from collaborations and royalties where partners commercialize certain assets. The company has built internal marketing, market access, and distribution capabilities across the U.S., Europe, and Japan, and uses partners and distributors in other markets. Its business model combines direct product sales with partnered programs (e.g., royalties on partner-sold products) and continued investment in a broad clinical pipeline enabled by its RNAi platform and intellectual property estate.

Revenue3,714m USD
+65.2 %y/y
Operating profit (EBIT)502m USD
+383.6 %y/y
EBIT margin13.5%
+21.4 ppy/y
Net income314m USD
+212.8 %y/y
Free cash flow465m USD
+1,192.7 %y/y

Fiscal year 2025 · change from previous year

Development 2020–2025

-1,00001,0002,0003,0004,000m USD2020: 493 m USD2020: EBIT -828 m USD20202021: 844 m USD2021: EBIT -709 m USD20212022: 1,037 m USD2022: EBIT -785 m USD20222023: 1,828 m USD2023: EBIT -282 m USD20232024: 2,248 m USD2024: EBIT -177 m USD20242025: 3,714 m USD2025: EBIT 502 m USD20253,714502
RevenueOperating profit (EBIT)

Business

Share of revenue
TTR franchise (ATTR amyloidosis)55 %

RNAi therapeutics AMVUTTRA and ONPATTRO sold for ATTR amyloidosis indications.

Global Rare franchise20 %

RNAi therapeutics GIVLAARI and OXLUMO for rare genetic/metabolic diseases.

Collaboration revenue20 %

Upfronts, milestones, and other revenue from partnered R&D/commercial agreements.

Royalties5 %

Royalties on partner commercial sales (e.g., Leqvio and Qfitlia) and similar streams.

Products

Reported · share of revenue
62.3%14.9%FY2025100 %
  • Amvuttra62.3 %
  • Collaborations14.9 %
  • GIVLAARI8.3 %
  • OXLUMO5.2 %
  • Royalty4.7 %
  • ONPATTRO4.7 %

Source: 10-K FY2025, revenue the company reports per product line (SEC XBRL). Shares are of the lines shown and add up to 100 %.

Customers

For its directly commercialized medicines (AMVUTTRA, ONPATTRO, GIVLAARI, OXLUMO), Alnylam’s immediate customers are specialty distributors and healthcare providers, with demand driven by specialist physicians treating rare diseases and ATTR amyloidosis. Patient access is heavily influenced by third-party payors, so payer coverage, reimbursement pathways, and health-system adoption are central to commercialization. In addition to product sales, Alnylam earns revenue from pharmaceutical partners through collaboration arrangements and royalties where collaborators hold commercialization rights (e.g., Leqvio and Qfitlia). The company’s commercial execution depends on educating prescribers, supporting patients, and navigating country-by-country regulatory and market access requirements.

ATTR amyloidosis prescribers and centers (cardiology/neurology)

Adopt AMVUTTRA/ONPATTRO based on clinical profile, site readiness, and patient demand; requires health-system engagement and education.

Rare disease specialists (metabolic/hepatology/genetics)

Prescribe GIVLAARI and OXLUMO for small, identifiable patient populations; access depends on payer approval and specialty distribution.

Third-party payors (public and private)

Determine formulary placement and reimbursement pathways that enable or restrict patient access for high-cost rare disease therapies.

Pharmaceutical collaborators/licensees

Commercialize partnered assets and pay Alnylam collaboration revenue and/or royalties (e.g., Leqvio; Qfitlia; partnered pipeline programs).

Strategy

Alnylam’s strategy centers on expanding its RNAi therapeutic platform into a multi-product global business by scaling commercial operations and sequentially launching products across geographies. In ATTR amyloidosis, it is leveraging experience from hereditary ATTR polyneuropathy to drive broader adoption (including cardiomyopathy) through health-system set-up, payer access work, and physician/patient education. The company continues to invest heavily in R&D and late-stage capabilities, while using collaborations with large pharma (e.g., Roche, Regeneron, Sanofi, Novartis/MDCO) to fund development and extend commercialization reach. Management has also articulated a goal of financial self-sustainability, while continuing to expand manufacturing capacity and global compliance capabilities to support growth.

Expand ATTR franchise penetration (including ATTR-CM)Short term

AMVUTTRA growth is a key driver of revenue and operating leverage; adoption depends on sites, payors, and prescriber behavior.

Scale global commercial and market access capabilitiesMedium term

Direct commercialization in major markets requires sustained investment in sales, market access, distribution, and patient support.

Advance RNAi platform and pipeline while leveraging collaborationsLong term

Pipeline productivity and partnered economics underpin long-term growth and diversify beyond current products.

Geography

Alnylam operates as a global commercial-stage company with internal commercial infrastructure established across the U.S., Europe, and Japan, and ongoing expansion into additional markets. For AMVUTTRA’s ATTR-CM launch, the company highlights U.S. commercialization and launches in Japan and Germany, with further markets in regulatory review and launch preparation. Net product revenues are discussed by region (United States, Europe, and Rest of World) in quarterly reporting, reflecting meaningful exposure to ex-U.S. reimbursement and launch timing. The company also uses strategic partners, distributors, or contract sales forces in many territories, which can accelerate reach but adds dependency on third parties and local compliance execution.

Risks

Alnylam’s near- to medium-term performance is sensitive to sustaining and growing AMVUTTRA sales, including successful execution of launches and payer access in ATTR-CM. Like most biopharma companies, it faces high clinical development and regulatory risk across its pipeline, where delays or failures can materially reduce future product options. The company relies on third parties for manufacturing and clinical trials and, in some geographies, for commercialization—creating operational and quality/compliance dependencies outside its direct control. Additional risks include pricing and reimbursement pressure in the U.S. and internationally, competitive therapies (including other RNAi and non-RNAi approaches), and technology/cybersecurity risks amplified by increased cloud usage.

Sorted by severity
LowMediumHighLowMediumHighImpact →Likelihood →Inability to sustain and grow AMVUTTRA revenues1Commercialization may be less successful than anticipated2Clinical development delays or failures3Third-party dependence (manufacturing, trials, partners, cloud providers)4
Impact is the risk’s severity and likelihood how probable it is over the next few years, both assessed from the company’s reports. Numbers match the list.
  1. Inability to sustain and grow AMVUTTRA revenuesImpact: HighLikelihood: Medium

    Management identifies AMVUTTRA sales growth as critical; weaker demand or access could materially harm results and valuation.

    Exposure: ATTR amyloidosis franchise; U.S. and ex-U.S. launches

  2. Commercialization may be less successful than anticipatedImpact: HighLikelihood: Medium

    Adoption depends on regulatory terms, physician acceptance, and reimbursement; shortfalls reduce realized market opportunity.

    Exposure: All approved products and future launches

  3. Clinical development delays or failuresImpact: HighLikelihood: Medium

    High failure rates and long timelines can prevent approvals and impair the ability to commercialize future products.

    Exposure: Pipeline programs across therapeutic areas

  4. Third-party dependence (manufacturing, trials, partners, cloud providers)Impact: MediumLikelihood: Medium

    Failures by CMOs/CROs/partners or cyber incidents at service providers can disrupt supply, delay development, or compromise data.

    Exposure: Global operations and outsourced activities

Accounting

Judgemental items
Net product revenue reserves and variable consideration

Allowances/accruals and channel inventory estimates directly affect net sales and can drive quarterly true-ups.

Impact: Impacts reported net product revenues and gross-to-net adjustments

Publicly listed companies with a comparable business focus.

Last updated: 24/09/2026