Zymeworks, Inc. is a biopharmaceutical company, which engages in the discovery, development, and commercialization of novel, multifunctional biotherapeutics. The company is headquartered in Middletown, Delaware and currently employs 304 full-time employees. The company went IPO on 2019-06-24. The firm is engaged in the discovery, development, and commercialization of multifunctional biotherapeutics to treat cancer and other serious diseases. Its lead product candidate, zanidatamab, is a bispecific antibody that targets two distinct domains of the human epidermal growth factor receptor 2 (HER2). Its second product candidate, zanidatamab zovodotin, combines the biparatopic antibody design of zanidatamab with its ZymeLink auristatin antibody-drug conjugate (ADC) technology, comprised of its cytotoxin (cancer cell-killing compound) and cleavable linker. The company is also advancing a pipeline of preclinical product candidates and discovery-stage programs in oncology (including immuno-oncology agents) and other therapeutic areas with an emphasis on developing ADC and multi-specific antibody therapeutics (MSAT) candidates. Its pipeline of preclinical product candidates includes two lead programs, ZW191 and ZW17.