Exelixis, Inc. is a biotechnology firm primarily focused on addressing oncology, dedicated to the discovery, development, and commercialization of innovative therapeutic agents for cancer treatment within the United States. The company markets several key medications. Its product portfolio includes CABOMETYX tablets, prescribed for patients with advanced renal cell carcinoma who have previously undergone anti-angiogenic therapy, and COMETRIQ capsules, utilized in the management of progressive and metastatic medullary thyroid cancer.