Why Is Amgen (AMGN) Up 8% Since Last Earnings Report?

Core Insights - Amgen reported strong Q3 2025 earnings, with adjusted earnings of $5.64 per share, surpassing the Zacks Consensus Estimate of $5.00, and total revenues of $9.6 billion, exceeding the estimate of $8.9 billion, reflecting a 12% year-over-year increase [2][3] Financial Performance - Total product revenues increased by 12% year-over-year to $9.17 billion, driven by a 14% rise in volume, although partially offset by a 4% decline in pricing [3] - Other revenues rose by 19.3% year-over-year to $420 million, primarily due to higher royalty income [3] - Adjusted operating margin decreased by 2.5 percentage points to 47.1%, with operating expenses increasing by 18% to $5.25 billion [22] Key Product Performance - Prolia revenues reached $1.14 billion, up 9% year-over-year, significantly exceeding the Zacks Consensus Estimate of $911 million [6] - Evenity sales grew by 36% year-over-year to $541 million, surpassing the Zacks Consensus Estimate of $519 million [7] - Repatha generated revenues of $794 million, a 40% increase year-over-year, beating the Zacks Consensus Estimate of $720 million [7] - Biosimilar portfolio sales surged by 52% year-over-year to $775 million [5] Guidance and Outlook - Amgen raised its 2025 revenue and earnings outlook, expecting total revenues between $35.8 billion and $36.6 billion, and adjusted earnings per share in the range of $20.60 to $21.40 [24] - Adjusted operating margin is anticipated to be around 45%, with R&D expenses expected to grow at a mid-20s percentage rate year-over-year [25] Pipeline Developments - Enrollment has been completed in two phase III studies for MariTide, with approximately 5,000 adults enrolled [27] - Ongoing enrollment in two other phase III studies for atherosclerotic cardiovascular disease and heart failure [28]