Detailed Narrative
Volume-Driven Growth Across Diverse Portfolio
Amgen reported strong Q2 FY25 results with total revenues growing 9% year-over-year, primarily driven by an impressive 13% increase in volume. This growth was broad-based, with 15 products achieving double-digit sales increases. Key drivers included Repatha, EVENITY, TEZSPIRE, and the innovative oncology, rare disease, and biosimilar portfolios, demonstrating the company's ability to differentiate through volume in an industry facing declining net selling prices.
Advancing a World-Class Pipeline
The company is making significant progress in its R&D pipeline, with multiple late-stage programs advancing. MariTide, the investigational obesity therapy, has four Phase III studies underway, including for cardiovascular outcomes and heart failure, with strong enrollment momentum. Other key pipeline assets like olpasiran, IMDELLTRA, and xaluritamig are also progressing, reflecting continued heavy investment in innovation and leveraging AI across the value chain.
MariTide's Differentiated Profile and Phase III Strategy
MariTide is highlighted for its convenient monthly or less frequent dosing, strong efficacy with up to approximately 20% weight loss at 52 weeks, and improved GI tolerability through a refined 3-step dose escalation approach in Phase III. The Phase III program is designed to optimize tolerability and provide a graded understanding of dose and response, with a 21-milligram starting dose having a very low risk of serious GI events. The company aims to guide optimal long-term maintenance therapy for chronic weight management.
Oncology Portfolio Momentum and BiTE Platform Success
Amgen's innovative oncology portfolio grew 14% year-over-year, generating $2.2 billion in sales. This growth is underpinned by the industry-leading bispecific T cell engager (BiTE) platform, which led to IMDELLTRA and BLINCYTO. IMDELLTRA, for small cell lung cancer, showed a 40% reduced risk of death and extended median overall survival by over 5 months in the DeLLphi-304 trial, with regulatory filings underway. BLINCYTO also demonstrated strong remission rates with a subcutaneous formulation in development.
Biosimilars Continue to Drive Growth and Access
The biosimilar portfolio delivered significant growth, up 40% year-over-year to $661 million, contributing nearly $12 billion in cumulative sales since 2018. Recent launches like PAVBLU (EYLEA biosimilar) are gaining momentum, reaching $130 million in Q2. Management views the biosimilar market as developing well, providing safe and reliable supply, and sees potential for future IV biosimilars to compete effectively, even against hyaluronidase subcutaneous versions, due to their expertise in oncology biosimilars.
Capital Structure and M&A Appetite
Amgen has made significant progress in shoring up its balance sheet, having retired $4.3 billion in debt in the first half of 2025, following $4.5 billion in 2024. The company remains interested in rare disease for both organic and inorganic growth opportunities, but emphasizes the need to execute flawlessly on its current late-stage pipeline. While open to M&A, particularly in rare disease, the focus is on strategic fit and maintaining strong execution across existing programs.