The Global Monoclonal Antibodies Market is projected to grow from USD 279.8 billion in 2024 to USD 804.7 billion by 2033, at a CAGR of 12.5%. North America is expected to dominate with a 47.5% share in 2024, driven by strong healthcare infrastructure and high R&D investments. Oncology is projected to lead the application segment with a 46.2% share. Major companies include Roche, Novartis, Johnson & Johnson, Pfizer, and Merck.