Biogen's Q2 Earnings & Sales Beat, 2025 Outlook Raised, Stock Up

Core Insights - Biogen reported strong second-quarter 2025 results, with adjusted earnings per share (EPS) of $5.47, significantly exceeding the Zacks Consensus Estimate of $3.93, and a 4% year-over-year increase in earnings [1] - Total revenues for the quarter reached $2.65 billion, up 7% year over year, surpassing the Zacks Consensus Estimate of $2.32 billion [2] Revenue Breakdown - Product sales were $1.9 billion, a slight decline of 1% year over year, while revenues from anti-CD20 therapeutic programs increased by 5% to $467 million [3] - Contract manufacturing and royalty revenues surged 124% year over year to $245 million, and Alzheimer's collaboration revenues rose to $55 million from $12 million in the previous year [4][5] Performance of Key Products - Sales of Biogen's multiple sclerosis (MS) drugs totaled $1.1 billion, down 4% year over year, primarily due to generic competition for Tecfidera and biosimilar competition for Tysabri [7] - Tecfidera sales fell nearly 23% to $193.6 million, while Vumerity sales increased by around 30% to $212.2 million [8] - Spinraza sales declined 8.5% to $392.7 million, missing estimates, while rare disease drug Skyclarys generated $130.3 million, up 5.2% sequentially [12] New Product Performance - New drugs Leqembi, Skyclarys, and Zurzuvae showed strong demand and sequential sales growth, with Leqembi generating $63 million in U.S. sales, a 20% increase [5][11] - Zurzuvae recorded $46.4 million in sales, up 68% sequentially, driven by increased demand [13] Cost and Guidance Updates - Adjusted R&D expenses decreased by 13% to $394 million, while SG&A expenses rose 7% to $579 million [16] - Biogen raised its 2025 EPS outlook to $15.50-$16.00, reflecting a stronger business outlook, and expects total revenues to be flat compared to 2024 [18] Market Reaction and Future Outlook - The positive guidance and strong sales of Leqembi boosted investor confidence, leading to a more than 5% rise in pre-market trading [20] - Despite rising competitive pressure on MS drugs, new products have the potential to drive growth, although it remains uncertain if they can offset declines in existing products [21]