Investment Rating - The industry investment rating is maintained as "Add" for the pharmaceutical and biotechnology sector [5]. Core Viewpoints - The competitive landscape of the BTK inhibitor market is continuously changing, with BeiGene's Zanubrutinib rapidly approaching a leading market share position in the U.S. market. In 2024, the company's product revenue reached 26.994 billion yuan, a significant increase from 15.504 billion yuan in the previous year, primarily driven by sales growth of Zanubrutinib and other licensed products [2][12]. - Zanubrutinib's global sales in 2024 amounted to 18.859 billion yuan, reflecting a growth of 106.4%. U.S. sales were 13.890 billion yuan, up 107.5%, largely due to expanded use in CLL indications. European sales reached 2.564 billion yuan, a 195.4% increase, while sales in China were 1.856 billion yuan, growing by 35.2% [2][12]. - The company expects revenue for 2025 to be between 35.2 billion and 38.1 billion yuan, driven by Zanubrutinib's leading position in the U.S. and ongoing expansion in Europe and other key global markets [2][12]. Summary by Sections Market Review - During the week of February 24 to February 28, 2025, the A-share pharmaceutical and biotechnology sector fell by 2.72%, underperforming the CSI 300 index by 0.49 percentage points, while outperforming the ChiNext index by 1.74 percentage points. The sector ranked 23rd among 31 first-level sub-industries [1][17]. Company Dynamics - BeiGene's Zanubrutinib ranked first in prescription volume among new CLL patients in the U.S. market, achieving a 97% year-on-year revenue growth in Q4 2024, surpassing competitors like Ibrutinib and Acalabrutinib [3][13]. - Another domestic BTK inhibitor, Orelabrutinib from Innovent Biologics, received approval for a Phase III clinical trial in combination with a BCL-2 inhibitor for first-line CLL/SLL treatment [15]. Investment Recommendations - BTK inhibitors show significant advantages in treating B-cell malignancies and certain B-cell immune disorders, making them a hot target for blood malignancies and autoimmune diseases. The report suggests focusing on BeiGene and Innovent Biologics [4][16].