Top Immunotherapy Drugs Companies

Immunotherapy Drugs Market size was valued at USD 328.95 Billion in 2024 and is poised to grow from USD 379.28 Billion in 2025 to USD 1184.66 Billion by 2033, growing at a CAGR of 15.3% during the forecast period (2026–2033).

The leading companies are focusing on growth strategies such as product enhancements, approvals of new products, and acquisitions to drive up their market shares. Sanofi and Kymab entered into an agreement in January 2021. Under this agreement, Sanofi would acquire Kymab for approximately USD 1.1 billion upfront. This added a monoclonal antibody, KY1005, to the pipeline. 'Merck & Co., Inc. (United States) ', 'Johnson & Johnson Services, Inc. (United States) ', 'F. Hoffmann-La Roche Ltd. (Switzerland) ', 'AstraZeneca (United Kingdom) ', 'Pfizer Inc. (United States) ', 'Amgen Inc. (United States) ', 'Novartis AG (Switzerland) ', 'Eli Lilly and Company (United States) ', 'Sanofi (France) ', 'Bristol-Myers Squibb Company (United States) ', 'Gilead Sciences, Inc. (United States) ', 'Takeda Pharmaceutical Company Limited (Japan) ', 'Teva Pharmaceutical Industries Ltd. (Israel) ', 'AbbVie Inc. (United States) ', 'GSK PLC (United Kingdom) ', 'Immunocore Holdings Plc (United Kingdom) ', 'Astellas Pharma Inc. (Japan) ', 'Genmab A/S (Denmark) ', 'MacroGenics, Inc. (United States) ', 'Ferring BV (Switzerland)'

The increasing prevalence of chronic diseases, such as cancer, autoimmune diseases, and infectious diseases, has a severe effect on the immunotherapy pharmaceuticals market. As the population ages and lifestyles become different, there are increased demands for effective treatments. Immunotherapies can present potential cures, and their wider utilization is predicted to drive the growth of the market. The main factor that propels the demand for immunotherapy medications today is the increasing prevalence of chronic diseases, coupled with better awareness and diagnosis.

Personalized Immunotherapy: With recent advances in precision medicine, genomics, and genetic engineering, the market is witnessing a surge in demand for personalized immunotherapy. This practice mainly deals with drug design based on each genetic make-up, history of diseases, and specific characteristics of his immune system. Trials conducted with personalized immunotherapies have shown many promising results: enhanced efficacy, reduced side effects. Business is investing heavily in the development of personalized immunotherapies, and this trend is predicted to continue to drive market growth and change the paradigm for the treatment of many diseases, such as autoimmune diseases and cancers.

North America, with the largest share, headed the immunotherapy drugs market in 2023. The high acceptance rate of immunotherapy treatments, presence of key pharmaceutical companies, and favorable reimbursement policies are the primary factors for its leading position in the region. Due to the high prevalence of autoimmune diseases and cancer in the US and Canada, immunotherapies are in high demand. The presence of established research institutes and a proper healthcare system in this region accelerates the development and commercialization process of the immunotherapy drugs. Therefore, North America remains an attractive market for the companies that manufacture drugs on immunotherapy as most of them are considering this region for launching their product or commercializing it.