Regeneron's stock rose 9.7% following a Q2 report that delivered strong top-line growth led by blockbuster product sales, notably Dupixent and EYLEA HD, which outpaced expectations and reinforced confidence in the company’s commercial momentum and pipeline potential.
Regeneron shares fell 3.4% following the quarterly report, as the market responded negatively to regulatory delays affecting EYLEA HD and uncertainties around product supply. While financials showed top-line growth, investor focus shifted to unresolved FDA decisions and pending applications that cloud near-term visibility for a key franchise.
Regeneron Pharmaceuticals reported solid third quarter results for 2025, with robust sales growth driven by Dupixent and Libtayo, complemented by EYLEA HD achieving record revenue despite ongoing affordability challenges.