Core Viewpoint - Biogen reported first-quarter 2025 adjusted earnings per share (EPS) of $3.02, missing the Zacks Consensus Estimate of $3.32, with an 18% year-over-year decline in earnings due to a $165 million upfront payment to Stoke Therapeutics for a collaboration agreement [1][2][19] Financial Performance - Total revenues for Q1 2025 were $2.43 billion, reflecting a 6% year-over-year increase on a reported basis and an 8% increase on a constant-currency basis, surpassing the Zacks Consensus Estimate of $2.23 billion [2] - Total product sales reached $1.73 billion, up 1% year over year on a reported basis and 3% on a constant-currency basis [4] - Contract manufacturing and royalty revenues surged 61% year over year to $293 million, while Alzheimer's collaboration revenues increased to $33 million from $3 million in the prior year [5][6] Product Sales Breakdown - Multiple sclerosis (MS) revenues totaled $953 million, down 11% on a reported basis due to generic competition for Tecfidera [9] - Sales of Spinraza rose 24.2% to $423.9 million, exceeding the Zacks Consensus Estimate of $365 million [12] - New drug Qalsody for ALS recorded sales of $15.5 million, while Zurzuvae for postpartum depression generated $28 million in sales, reflecting a 21.7% sequential increase [13][14] Cost and Guidance - Adjusted R&D expenses decreased 3% year over year to $427 million, while adjusted SG&A expenses rose 1% to $572 million [16] - The company reaffirmed its total revenue guidance for 2025, expecting a mid-single-digit percentage decline in constant currency terms compared to 2024, and lowered its adjusted EPS guidance to a range of $14.50 to $15.50 [18][19] Market Performance - Year to date, Biogen's shares have declined 20.9%, compared to a 3.3% decrease in the industry [3]

Industry Overview - The first-quarter earnings season for the drug and biotech sector is underway, with major companies like Pfizer, Eli Lilly, Amgen, Biogen, and Regeneron set to announce results [1] - Johnson & Johnson and Merck have reported results, both exceeding first-quarter estimates for earnings and sales, while Sanofi had mixed results, beating earnings estimates but missing sales [1] Earnings Trends - As of April 23, 15% of companies in the Medical sector, representing 33.8% of the sector's market capitalization, reported quarterly earnings, with 77.8% surpassing estimates for both earnings and revenues [3] - Year-over-year earnings increased by 4.7%, and revenues rose by 9.4% [3] - Overall, first-quarter earnings for the Medical sector are expected to increase by 35%, while sales are projected to rise by 7.8% compared to the previous year [3] Company Performance Pfizer (PFE) - Pfizer has consistently exceeded earnings expectations in the last four quarters, with an average earnings surprise of 44.16% [5] - The Zacks Consensus Estimate for first-quarter sales and earnings is $13.88 billion and 64 cents per share, respectively [6] - Non-COVID operational revenues are driving growth, supported by products like Vyndaqel, Padcev, and Eliquis, despite a decline in sales of COVID products [7] Eli Lilly (LLY) - Eli Lilly has had mixed performance, exceeding earnings expectations in three of the last four quarters, with an average earnings surprise of 8.47% [8] - The Zacks Consensus Estimate for sales and earnings is $12.62 billion and $3.52 per share, respectively [8] - Growth is expected to be driven by demand for FDA-approved tirzepatide medicines, although sales of Mounjaro and Zepbound were below expectations [9][10] Amgen (AMGN) - Amgen has shown strong performance, beating earnings estimates in each of the last four quarters, with an average earnings surprise of 5.23% [11] - The Zacks Consensus Estimate for first-quarter sales and earnings is $7.96 billion and $4.15 per share, respectively [11] - Product sales are expected to be driven by strong volume growth, although prices may decline due to higher rebates [12] Biogen (BIIB) - Biogen has consistently beaten earnings estimates in the last four quarters, with an average earnings surprise of 11.80% [13] - The Zacks Consensus Estimate for sales and earnings is $2.23 billion and $3.52 per share, respectively [13] - Lower sales of multiple sclerosis drugs are likely to be offset by revenues from new drugs [14] Regeneron (REGN) - Regeneron has had mixed results, surpassing earnings expectations in three of the last four quarters, with an average earnings surprise of 3.23% [16] - The Zacks Consensus Estimate for first-quarter sales and earnings is $3.28 billion and $8.43 per share, respectively [17] - Sales of Eylea are expected to have declined due to competition, but sales of Eylea HD and Dupixent are likely to have surged [18][19]

Core Viewpoint - Biogen is expected to report first-quarter 2025 results on May 1, with sales and earnings estimates at $2.24 billion and $3.34 per share, respectively. The company faces challenges from declining sales of multiple sclerosis (MS) drugs, which may be offset by revenues from new drugs [1][2][5]. Sales Performance of MS Drugs - Sales of Biogen's MS drugs, including Tecfidera and Tysabri, are anticipated to decline due to increased competition and the introduction of generic versions in various markets [2][5]. - The Zacks Consensus Estimate for Tecfidera sales is $199.0 million, while the internal estimate is $185.7 million. For Tysabri, the estimates are $363.0 million and $348.6 million, respectively [3][4]. - Vumerity's sales rose in the fourth quarter due to higher demand, with estimates for the first quarter at $141.0 million (Zacks) and $139.8 million (internal) [4]. Impact of Biosimilars and Generics - The decline in MS revenues is expected to be more pronounced in 2025 due to the anticipated entry of biosimilars for Tysabri and generics for Tecfidera in certain European markets [5]. Other Drug Sales - Spinraza's sales improved in the fourth quarter, but demand may have decreased in the first quarter, with estimates at $364.0 million (Zacks) and $338.1 million (internal) [6]. - Sales of Skyclarys for Friedreich's ataxia are expected to rise year-over-year, with estimates at $110.0 million (Zacks) and $111.4 million (internal) [7]. - Zurzuvae's launch has exceeded expectations, with strong patient demand likely contributing to improved sales in the first quarter [8][9]. Alzheimer's Collaboration and Revenues - Revenues from contract manufacturing, royalties, and Alzheimer's collaboration are expected to rise, particularly from the drug Leqembi, which has shown strong sales growth in recent quarters [10][11]. - Leqembi's sales have improved sequentially, with strong growth noted in China and Japan, and it was recently approved in the European Union [11][12]. Overall Revenue Expectations - Overall revenues for the first quarter of 2025 are expected to be negatively impacted by seasonality, higher discounts, and channel dynamics in the U.S., along with foreign exchange headwinds [13]. Key Events - Biogen announced a collaboration with Stoke Therapeutics to develop zorevunersen for Dravet syndrome, with a pivotal study expected to begin in the first quarter of 2025 [14]. Earnings Surprise History - Biogen has consistently beaten earnings estimates in the past four quarters, with an average earnings surprise of 11.8%. However, the current model does not predict a beat for the upcoming quarter, with an Earnings ESP of -15.8% [15][16][17].