TORL BioTherapeutics LLC

TORL BioTherapeutics is a clinical-stage biopharmaceutical company in Culver City, California developing antibody-based cancer therapies, including antibody-drug conjugates (ADCs) and monoclonal antibodies. Built on discoveries from the UCLA laboratory of Dennis Slamon - the scientist behind Herceptin and Ibrance - TORL is advancing a pipeline against novel cancer targets such as Claudin 6, Claudin 18.2, CDH17, and DLK1. Its lead program, TORL-1-23 (ixotatug vedotin), a CLDN6-targeted ADC, is in pivotal trials for platinum-resistant ovarian cancer. The company has raised over $450 million across multiple rounds, including a $96 million Series C in October 2025.