Financial Performance - Fourth quarter 2024 total revenue was 2.5billion,representinga39.7 billion, a 2% decline year-over-year[1][5] - GAAP diluted EPS for Q4 2024 was 1.83,a711.18, a 40% increase year-over-year[1][5] - Non-GAAP diluted EPS for Q4 2024 was 3.44,a1716.47, a 12% increase year-over-year[1][5] - Total revenue for the twelve months ended December 31, 2024, was 7,213.5million,comparedto7,246.7 million in 2023, indicating a decrease of approximately 0.5%[43] - Non-GAAP net income attributable to Biogen Inc. for Q4 2024 was 502.4million,upfrom430.3 million in Q4 2023, representing a 16.8% increase[49] - Net income attributable to Biogen Inc. for the twelve months ended December 31, 2024, was 1,632.2million,comparedto1,161.1 million for 2023, reflecting a significant increase of 40.5%[33] Revenue Breakdown - LEQEMBI generated approximately 87millioninglobalin−marketsalesduringQ42024,withU.S.salesaround50 million[4][5] - SKYCLARYS revenue for Q4 2024 was approximately 102million,withU.S.revenueimpactedbychannelinventoryandMedicarediscountdynamics[4][5]−RevenuefromMultipleSclerosis(MS)productstotaled4,349.8 million for the twelve months ended December 31, 2024, down from 4,661.9millionin2023,reflectingadeclineofabout6.71,573.2 million, compared to 1,741.2millionin2023,adecreaseofapproximately9.7353.7 million, up from 338.0millioninQ42023,representinganincreaseofabout4.91,715.0 million, compared to 1,876.9millionin2023,adeclineofapproximately8.6793.1 million, compared to 770.0millionin2023,showinganincreaseofabout3.02,041.8 million, down from 2,462.0millionin2023,showingadecreaseof17.1540.5 million, down from 586.8millioninQ42023,reflectingadecreaseof7.9528.2 million, a slight decrease from 568.1millioninQ42023[46]−Totalselling,generalandadministrativeexpenses(Non−GAAP)forQ42024were672.5 million, compared to 587.9millioninQ42023,anincreaseof14.42.4 billion and total debt of approximately 6.3billion,resultinginnetdebtofapproximately3.9 billion[19] - The company’s cash and cash equivalents rose to 2,375.0millionasofDecember31,2024,comparedto1,049.9 million a year earlier, indicating a substantial increase of 126.5%[35] Future Outlook - Full year 2025 financial guidance projects Non-GAAP diluted EPS between 15.25and16.25, with total revenue expected to decline by a mid-single digit percentage compared to 2024[3][14] - The company anticipates a multi-billion dollar potential from its late-stage pipeline, indicating strong future growth prospects[25] - Biogen aims to enhance its commercial portfolio for long-term sustainable growth, focusing on strategic elements and disciplined business development[25] - The company is actively pursuing new product launches, including LEQEMBI, which is expected to contribute significantly to future revenues[25] Product Development and Initiatives - Biogen initiated a second Phase 3 study for Dapirolizumab pegol in systemic lupus erythematosus, with positive results from the first Phase 3 study presented at a major conference[4][5] - In February 2025, Royalty Pharma plc agreed to provide up to 250 million in R&D funding for litifilimab, with potential future royalties based on net sales[20] - New product QALSODY became commercially available in the U.S. in Q2 2023 and is expected to contribute to future revenue growth as it becomes available in the E.U. in Q2 2024[38] Other Financial Metrics - Free cash flow for the twelve months ended December 31, 2024, was 2,721.8 million, significantly higher than 1,270.2millionforthesameperiodin2023[55]−Theeffectivetaxrate(Non−GAAP)forQ42024was12.2760.9 million for Q4 2024, a significant increase from $12.5 million in Q4 2023[55]