How Will Pfizer's Oncology Drugs Perform in Q2 Earnings?

Core Insights - Pfizer has strengthened its position in the oncology space with the acquisition of Seagen in 2023, adding four antibody-drug conjugates (ADC) to its portfolio [1] - The oncology segment contributed over 25% to Pfizer's total revenues in Q1 2025, with a year-over-year growth of 7% [1] - The overall oncology sales for Q2 2025 are estimated at $4.0 billion, reflecting a 2% increase year over year [3] Oncology Segment Performance - Sales of Xtandi, Lorbrena, and Braftovi/Mektovi are expected to have increased, while Ibrance's sales are likely to have declined due to competitive pressures and the impact of the Inflation Reduction Act [2] - ADC products show mixed trends, with Padcev benefiting from strong demand, while Adcetris faced competitive pressure in the U.S. [7] Competitive Landscape - AstraZeneca's oncology sales accounted for nearly 41% of its total revenues, with a 13% increase in Q1 2025 driven by products like Tagrisso and Lynparza [4] - Merck's Keytruda accounted for over 46% of its total revenues in Q1 2025, highlighting its significance in the oncology market [5] Valuation and Estimates - Pfizer's shares are currently trading at a price/earnings ratio of 8.25, which is lower than the industry average of 15.12 and its own 5-year mean of 10.86, indicating attractive valuation [8] - The bottom-line estimate for 2025 has slightly decreased from $3.08 to $3.05, while the estimate for 2026 has increased from $3.08 to $3.09 [9]