Zymeworks Inc., a biotechnology company, develops biotherapeutics for the treatment of cancer, inflammation, and autoimmune diseases. The company's platforms include Azymetric multispecific antibody platform; Drug Conjugate platform that includes a suite of proprietary cytotoxins comprising topoisomerase and microtubulin inhibiting toxins, stable linkers, and conjugation technologies; EFECT platform, which consists of a set of modifications to the Fc region of antibodies; and ProTECT, a tumor-specific immune co-stimulation platform. Its lead product candidates include Ziihera (zanidatamab-hrii), a bispecific antibody targeting HER2-expressing tumors; zanidatamab for the treatment of neoadjuvant populations, breast cancer, and other HER2-expressing cancers; Pasritamig, a bispecific T cell engager targeting human kallikrein 2 for the treatment monotherapy and castration resistant prostate cancer; ZW191, a clinical- antibody-drug conjugates (ADC) that targets folate receptor alpha expressing tumors, including ovarian, endometrial, and non-small cell lung cancers; ZW251, a clinical-stage ADC molecule for the treatment of glypican 3 expressing hepatocellular carcinoma; ZW220, an ADC that targets NaPi2b-expressing NSCLC and ovarian cancer; ZW209, a novel TriTCE targeting Delta-like ligand 3 -expressing tumor cells for the treatment of solid tumors; and ZW1528, a bispecific molecule to treat chronic obstructive pulmonary disease. It has strategic partnerships and collaborations with Jazz Pharmaceuticals plc; Bristol- Myers Squibb company; Celgene Alpine Investment Co. LLC; GlaxoSmithKline Intellectual Property Development Limited; Daiichi Sankyo Co., Ltd.; Merck Sharp & Dohme Research GmbH; and Janssen Biotech, Inc. Zymeworks Inc. was incorporated in 2003 and is based in Middletown, Delaware. Show more

108 Patriot Drive, Middletown, DE, 19709, United States

https://www.zymeworks.com

Biotechnology

Healthcare

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Market Cap

1.70B

52 Wk Range

$9.03 - $28.49

Previous Close

$23.23

Open

$23.42

Volume

787,422

Day Range

$22.43 - $23.89

Enterprise Value

1.49B

Cash

228.8M

Avg Qtr Burn

-10.26M

Insider Ownership

1.26%

Institutional Own.

98.64%

Qtr Updated

12/31/25

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Drug & Indication	Stage & Event	Catalyst Date
Ziihera® (zanidatamab-hrii) Details Cancer, Solid tumor/s, Biliary Tract Cancer	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Zanidatamab + Chemo/trastuzumab Details Breast cancer, Cancer, HER2-expressing cancers	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Zanidatamab (HER2) + chemotherapy + tislelizumab Details Cancer, Gastroesophageal adenocarcinomas, Cholangiocarcinoma	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Zanidatamab (HER2) + docetaxel Details Cancer, Breast cancer	Phase 1/2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Pasritamig (Bispecific Antibody) Details Unspecified	Phase 1/2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW251 (GPC3 ADC) Details Hepatocellular carcinoma (HCC)	Phase 1 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW191 Details Cancer, Solid tumor/s	Phase 1 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW327 (Antibody-Drug Conjugate) Details Cancer, Solid tumor/s	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW418 (PTK7 ADC) Details Cancer, Solid tumor/s	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW220 (NaPi2b ADC) Details Cancer	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW209 (Multispecific Antibody) Details Unspecified	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW1528 (Multispecific Antibody) Details Unspecified	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ZW171 Details Mesothelin-expressing solid tumors	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Zanidatamab zovodotin (ZW49) Details HER2-expressing cancers, Cancer, Non-small cell lung carcinoma	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.