Regeneron Pharma Margins Tighten As Competition Grows, Stock Slides

Core Insights - Regeneron Pharmaceuticals reported a decline in first-quarter adjusted earnings per share to $8.22, down 14% year-over-year, missing the consensus estimate of $8.82 [1] - The company's sales for the first quarter were $3.03 billion, a 4% decrease from the previous year, also falling short of the consensus of $3.29 billion [1] - U.S. net sales for Eylea HD and Eylea decreased by 26% year-over-year to $1.04 billion, which included $307 million from Eylea HD [1] Sales Performance - Net product sales of Eylea HD increased in the first quarter of 2025 compared to the first quarter of 2024, primarily due to higher sales volumes [2] - However, Eylea's net product sales were negatively impacted by increased competition from other anti-VEGF products and the transition of patients to Eylea HD [2][7] Collaboration Revenue - Sanofi collaboration revenue increased in the first quarter of 2025, driven by higher profits from the commercialization of antibodies, amounting to $1.018 billion compared to $804 million in the first quarter of 2024 [3] Manufacturing Expansion - Regeneron announced a significant expansion of its manufacturing capacity through a new agreement with FUJIFILM Diosynth Biotechnologies to produce bulk drug products at their North Carolina campus [4] - The company revised its 2025 GAAP gross margin guidance to 83%-84%, down from 84%-85%, and adjusted gross margin guidance to 86%-87%, down from 87%-88% [4] Regulatory Developments - The European Commission granted conditional marketing approval to Regeneron's Lynozyfic (linvoseltamab) for treating adults with relapsed and refractory multiple myeloma [5] - The FDA accepted the Biologics License Application for linvoseltamab in the U.S., with a target action date of July 10, 2025 [5] Stock Performance - Following the announcements, Regeneron stock experienced a decline of 6.38%, trading at $571.90 [5]