Amarin Corporation plc
Amarin Corporation plc is a pharmaceutical company centered on cardiovascular risk reduction therapies, with its business largely built around a single branded product, VASCEPA (icosapent ethyl). VASCEPA is FDA-approved for severe hypertriglyceridemia and, based on the REDUCE-IT outcomes trial, for reducing persistent cardiovascular risk in select high-risk patients as an adjunct to maximally tolerated statin therapy. The company supplies branded VASCEPA to markets where it sells directly and to territories where third-party partners commercialize the product and pay Amarin for supply and/or royalties. Amarin is incorporated in England and Wales, with principal offices in Dublin and operating presence in the U.S. and multiple European countries.
Fiscal year 2025 · change from previous year
Development 2020–2025
Business
Share of revenueDirect U.S. sales of VASCEPA capsules to wholesalers, pharmacies and mail-order providers.
Sales of branded VASCEPA supplied to commercial partners for resale in their territories.
Upfront, milestone and sales-based payments from license/distribution agreements outside the U.S.
Products
Reported · share of revenue- Products85.5 %
- Licensing and Royalty14.5 %
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
Amarin’s core customers are pharmaceutical wholesalers and pharmacy channel intermediaries that purchase VASCEPA and resell it for dispensing to patients. In the U.S., the company sells principally to three major wholesalers, supplemented by regional wholesalers, mail-order pharmacy providers, and select retail pharmacy chains. Demand is ultimately driven by prescribers treating high-risk cardiovascular patients, but access and net pricing are heavily influenced by payers and pharmacy benefit managers (PBMs) through formulary coverage and rebates. Outside the U.S., a meaningful portion of revenue comes from commercial partners that buy product from Amarin and handle local promotion and resale, and from licensing/royalty arrangements tied to partner sales performance. Customer concentration is material: three U.S. customers each represented 10%+ of gross product sales in 2025 and 2024.
Purchase VASCEPA in bulk for downstream distribution to pharmacies; key driver of U.S. revenue and receivables concentration.
Buy supplied product and/or pay royalties to commercialize VASCEPA/VAZKEPA in agreed territories, bearing local selling costs.
Acquire product to dispense to patients; supports reach and access in specific channels.
Do not typically buy product directly but determine coverage and patient out-of-pocket costs, affecting volume and net price via rebates.
Strategy
Amarin’s near-term strategy centers on sustaining and defending the U.S. VASCEPA franchise despite generic competition and payer/PBM access volatility, while continuing to serve patient demand through the wholesale and pharmacy channels. In parallel, the company is leaning more heavily on partnerships to expand ex-U.S. commercialization, including supporting partners’ pricing and reimbursement work to unlock access in additional geographies. The company also seeks to grow licensing and royalty streams tied to partner sales, which can diversify revenue away from direct U.S. product sales. Operationally, the strategy implies careful management of supply, inventory and channel dynamics, because shipment timing and wholesaler inventory levels can affect reported revenue versus prescription trends.
U.S. product sales are the primary revenue driver and are sensitive to net price and coverage decisions.
Partner-led launches and reimbursement wins can expand the addressable market without fully replicating a direct sales infrastructure.
Geography
Amarin’s revenue base is primarily U.S.-driven, with additional sales in certain European countries and other markets through collaborations with third-party partners. The company maintains a U.S. operating presence (Bridgewater, New Jersey) and a European footprint through subsidiaries in countries including Ireland, Switzerland, Germany, France, the U.K., Italy, Spain, Austria, Belgium, Denmark, Finland, Greece, the Netherlands, Norway, Portugal and Sweden. Outside the U.S., the company’s economics differ by route-to-market: direct sales to wholesalers can carry higher net pricing than partner supply arrangements where partners fund promotion and resale. Geographic expansion and performance depend on country-by-country pricing and reimbursement outcomes, and on partner execution (e.g., the EU Territory licensing arrangement with Recordati). No authoritative percentage revenue-by-region table was provided in the excerpts, so a precise regional split is not disclosed here.
Risks
Amarin is substantially dependent on a single product (VASCEPA/VAZKEPA), making results highly sensitive to competitive, pricing and access changes affecting that franchise. In the U.S., generic icosapent ethyl competition and consumer substitution toward non-prescription omega-3 products can pressure both volume and net selling price, and payer/PBM coverage decisions can abruptly reduce demand. The company also faces customer concentration risk because a small number of wholesalers account for a large share of gross product sales and receivables. Outside the U.S., commercialization and pricing/reimbursement outcomes depend heavily on partners, creating execution and counterparty risk (including reliance on Recordati for the EU Territory). Like other pharma companies, Amarin is exposed to regulatory, pharmacovigilance, supply chain, and intellectual property risks that can affect market access and product economics.
- Generic competition for icosapent ethyl in the U.S.Impact: CriticalLikelihood: High
Court/patent outcomes enabled generic versions with MARINE labeling, contributing to net price and volume pressure for VASCEPA.
Exposure: U.S. product revenue
- Customer concentration with three U.S. wholesalersImpact: HighLikelihood: Medium
Three customers each accounted for 10%+ of U.S. gross product sales and a large share of receivables, so loss or reduction could materially impact sales and cash collection.
Exposure: U.S. wholesale channel
- Dependence on Recordati for EU Territory commercialization of VAZKEPAImpact: HighLikelihood: Medium
Payments and market penetration in 59 European-focused countries depend on partner execution, pricing approvals and commercialization success.
Exposure: Europe licensing/royalties and partner supply
Accounting
Judgemental itemsNet revenue depends on estimates for rebates, discounts, chargebacks, returns and co-pay programs; changes can swing reported revenue and margins.
Impact: Affects net product revenue, receivables, and period comparability
Revenue is recognized on delivery to wholesalers/customers, while prescription data reflects dispensing; mismatches can distort demand signals.
Impact: Affects quarterly revenue trends and working capital interpretation
Upfront/milestone payments and sales-based royalties require assessment of performance obligations and partner sales reporting.
Impact: Affects timing of non-product revenue and earnings volatility
With recurring losses, realizability of deferred tax assets is uncertain and management judgment drives valuation allowance levels.
Impact: Affects effective tax rate, deferred tax balances, and equity
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Last updated: 24/09/2026