Compare Stocks

Comparative Price Performance Over Time

Compare Stocks - Price & Volume

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
$34.49
$34.46
$10.09
$37.00
$2.26B1.761.71 million shsN/A
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
$18.17
$18.16
$8.00
$21.70
$1.85B1.45361,806 shsN/A
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
$2.13
+1.9%
$2.43
$0.70
$3.40
$403.42M0.846.74 million shs5.43 million shs
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
$2.65
-5.4%
$2.75
$0.50
$3.22
$398.37M1.682.80 million shs2.17 million shs
Zymeworks Inc. stock logo
ZYME
Zymeworks
$8.55
-0.1%
$10.64
$6.01
$13.14
$603.37M1.14572,599 shs588,703 shs
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Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
0.00%0.00%0.00%0.00%0.00%
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
0.00%0.00%0.00%0.00%0.00%
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
+1.91%+15.76%-18.70%+2.40%+77.50%
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
-5.36%-4.33%-10.17%-1.12%+5.16%
Zymeworks Inc. stock logo
ZYME
Zymeworks
-0.12%-3.39%-17.79%-17.15%-5.73%

MarketRank™

CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
N/AN/AN/AN/AN/AN/AN/AN/A
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
N/AN/AN/AN/AN/AN/AN/AN/A
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
3.6913 of 5 stars
3.22.00.03.93.40.80.6
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
3.5337 of 5 stars
3.51.00.04.21.71.70.6
Zymeworks Inc. stock logo
ZYME
Zymeworks
0.9092 of 5 stars
3.00.00.00.01.11.70.6

Analyst Ratings

CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
N/AN/AN/AN/A
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
N/AN/AN/AN/A
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
2.40
Hold$9.33338.18% Upside
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
3.00
Buy$5.50107.55% Upside
Zymeworks Inc. stock logo
ZYME
Zymeworks
2.00
Hold$15.0075.44% Upside

Current Analyst Ratings

Latest HRTX, AIMT, AKCA, ZYME, and ESPR Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/23/2024
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
Capital One Financial
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageOverweight$6.00
4/11/2024
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$5.00
4/10/2024
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$8.00
3/25/2024
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$16.00
3/25/2024
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$8.00
3/13/2024
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetBuy$4.00 ➝ $5.00
2/28/2024
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$22.00 ➝ $16.00
2/27/2024
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$8.00
(Data available from 4/25/2021 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Sales & Book Value

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
N/AN/AN/AN/A$1.66 per shareN/A
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
$488.54M3.78$0.51 per share35.54$5.78 per share3.14
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
$116.33M3.47N/AN/A($3.85) per share-0.55
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
$127.04M3.14N/AN/A($0.23) per share-11.52
Zymeworks Inc. stock logo
ZYME
Zymeworks
$76.01M7.94N/AN/A$6.63 per share1.29

Profitability & Earnings

CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
-$248.50M-$3.97N/AN/AN/AN/A-164.99%-89.50%N/A
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
$40.77M$0.48N/AN/AN/A-12.34%-8.94%-8.02%N/A
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
-$209.25M-$2.12N/A6.87N/A-179.87%N/A-91.62%5/7/2024 (Confirmed)
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
-$110.56M-$0.86N/AN/AN/A-87.02%N/A-50.61%5/9/2024 (Estimated)
Zymeworks Inc. stock logo
ZYME
Zymeworks
-$118.67M-$1.74N/AN/AN/A-156.12%-26.20%-20.29%5/2/2024 (Confirmed)

Latest HRTX, AIMT, AKCA, ZYME, and ESPR Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/7/2024N/A
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
-$0.17N/A+$0.17N/AN/AN/A  
5/2/2024N/A
Zymeworks Inc. stock logo
ZYME
Zymeworks
-$0.31N/A+$0.31N/AN/AN/A  
3/12/2024Q4 2023
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
-$0.15-$0.07+$0.08-$0.07$30.98 million$34.23 million
3/6/2024Q4 2023
Zymeworks Inc. stock logo
ZYME
Zymeworks
-$0.39-$0.20+$0.19-$0.20$18.32 million$16.93 million
2/27/202412/31/2023
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
-$0.53-$0.50+$0.03-$0.50$26.84 million$32.25 million    

Dividends

CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
N/AN/AN/AN/AN/A
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
N/AN/AN/AN/AN/A
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
N/AN/AN/AN/AN/A
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
N/AN/AN/AN/AN/A
Zymeworks Inc. stock logo
ZYME
Zymeworks
N/AN/AN/AN/AN/A

Debt

CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
0.73
7.53
7.40
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
N/A
12.17
11.78
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
N/A
1.29
0.87
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
N/A
2.37
1.84
Zymeworks Inc. stock logo
ZYME
Zymeworks
N/A
7.41
7.41

Ownership

Institutional Ownership

CompanyInstitutional Ownership
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
74.47%
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
19.27%
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
47.39%
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
80.01%
Zymeworks Inc. stock logo
ZYME
Zymeworks
92.89%

Miscellaneous

CompanyEmployeesShares OutstandingFree FloatOptionable
Aimmune Therapeutics, Inc. stock logo
AIMT
Aimmune Therapeutics
22865.45 millionN/AOptionable
Akcea Therapeutics, Inc. stock logo
AKCA
Akcea Therapeutics
248101.60 millionN/AOptionable
Esperion Therapeutics, Inc. stock logo
ESPR
Esperion Therapeutics
240189.40 million187.51 millionOptionable
Heron Therapeutics, Inc. stock logo
HRTX
Heron Therapeutics
126150.33 million140.71 millionOptionable
Zymeworks Inc. stock logo
ZYME
Zymeworks
27270.57 million69.71 millionOptionable

HRTX, AIMT, AKCA, ZYME, and ESPR Headlines

SourceHeadline
Zymeworks (ZYME) Scheduled to Post Quarterly Earnings on ThursdayZymeworks (ZYME) Scheduled to Post Quarterly Earnings on Thursday
americanbankingnews.com - April 25 at 2:32 AM
Zymeworks (NYSE:ZYME) Trading Up 3.5%Zymeworks (NYSE:ZYME) Trading Up 3.5%
americanbankingnews.com - April 21 at 3:12 AM
SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zymeworks Inc. - ZYMESHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zymeworks Inc. - ZYME
prnewswire.com - April 20 at 12:15 PM
Zymeworks (NYSE:ZYME) Shares Up 3.5%Zymeworks (NYSE:ZYME) Shares Up 3.5%
marketbeat.com - April 19 at 12:24 PM
ATTENTION ZYME SHAREHOLDERS: Investors who Lost Money on Zymeworks Inc. are Urged to Contact Levi & Korsinsky about an Ongoing InvestigationATTENTION ZYME SHAREHOLDERS: Investors who Lost Money on Zymeworks Inc. are Urged to Contact Levi & Korsinsky about an Ongoing Investigation
accesswire.com - April 19 at 7:35 AM
Buy Zymeworks Pioneering Cancer Treatments: Zanidatamabs Promising DataBuy Zymeworks Pioneering Cancer Treatments: Zanidatamab's Promising Data
seekingalpha.com - April 18 at 6:22 PM
ZYME ALERT: Levi & Korsinsky Reminds Investors of an Investigation Involving Possible Securities Fraud Violations by Zymeworks Inc.ZYME ALERT: Levi & Korsinsky Reminds Investors of an Investigation Involving Possible Securities Fraud Violations by Zymeworks Inc.
accesswire.com - April 18 at 7:30 AM
Levi & Korsinsky Reminds Shareholders of an Investigation into Zymeworks Inc. (ZYME) Regarding Potential Securities Fraud AllegationsLevi & Korsinsky Reminds Shareholders of an Investigation into Zymeworks Inc. (ZYME) Regarding Potential Securities Fraud Allegations
markets.businessinsider.com - April 16 at 6:55 PM
Maintaining Hold on Zymeworks: ZW191’s Potential Amidst Competitive and Regulatory HurdlesMaintaining Hold on Zymeworks: ZW191’s Potential Amidst Competitive and Regulatory Hurdles
markets.businessinsider.com - April 12 at 6:42 PM
Zymeworks Inc. INVESTIGATION: Levi & Korsinsky Investigates Potential Securities Fraud by Zymeworks (ZYME)Zymeworks Inc. INVESTIGATION: Levi & Korsinsky Investigates Potential Securities Fraud by Zymeworks (ZYME)
accesswire.com - April 12 at 10:05 AM
Levi & Korsinsky Reminds Zymeworks Investors of the Ongoing Investigation into Potential Violations of Securities Laws - ZYMELevi & Korsinsky Reminds Zymeworks Investors of the Ongoing Investigation into Potential Violations of Securities Laws - ZYME
accesswire.com - April 12 at 10:00 AM
SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zymeworks Inc. - ZYMESHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zymeworks Inc. - ZYME
prnewswire.com - April 12 at 9:30 AM
Zymeworks Inc. Investigation Ongoing: Contact Levi & Korsinsky About Potential Securities Fraud Allegations - ZYMEZymeworks Inc. Investigation Ongoing: Contact Levi & Korsinsky About Potential Securities Fraud Allegations - ZYME
accesswire.com - April 12 at 7:30 AM
Zymeworks To Report First Quarter 2024 Financial Results and Host Conference Call on May 2, 2024Zymeworks To Report First Quarter 2024 Financial Results and Host Conference Call on May 2, 2024
globenewswire.com - April 11 at 6:00 AM
Did Zymeworks Inc. Mislead Investors? Shareholder Rights Advocates at Levi & Korsinsky Investigate - ZYMEDid Zymeworks Inc. Mislead Investors? Shareholder Rights Advocates at Levi & Korsinsky Investigate - ZYME
accesswire.com - April 10 at 4:45 PM
Zymeworks (ZYME) Loses -13.41% in 4 Weeks, Heres Why a Trend Reversal May be Around the CornerZymeworks (ZYME) Loses -13.41% in 4 Weeks, Here's Why a Trend Reversal May be Around the Corner
zacks.com - April 10 at 10:36 AM
Zymeworks (NYSE:ZYME) Trading Down 2.6%Zymeworks (NYSE:ZYME) Trading Down 2.6%
marketbeat.com - April 9 at 11:46 AM
Zymeworks Inc. Investigated by Shareholder Rights Advocates – Investors Should Contact Levi & Korsinsky Regarding Potential Securities Law Violations - ZYMEZymeworks Inc. Investigated by Shareholder Rights Advocates – Investors Should Contact Levi & Korsinsky Regarding Potential Securities Law Violations - ZYME
accesswire.com - April 8 at 4:00 PM
Opinion: The Next Generation of ADCs Will Improve Cancer TreatmentOpinion: The Next Generation of ADCs Will Improve Cancer Treatment
biospace.com - April 8 at 7:05 AM
Zymeworks Presents New Data from Multiple Preclinical Development Programs at 2024 American Association for Cancer Research Annual MeetingZymeworks Presents New Data from Multiple Preclinical Development Programs at 2024 American Association for Cancer Research Annual Meeting
globenewswire.com - April 8 at 6:00 AM
Zymeworks Inc. Investigation Ongoing: Contact Levi & Korsinsky About Potential Securities Fraud Allegations - ZYMEZymeworks Inc. Investigation Ongoing: Contact Levi & Korsinsky About Potential Securities Fraud Allegations - ZYME
accesswire.com - April 4 at 8:45 PM
SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zymeworks Inc. - ZYMESHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Zymeworks Inc. - ZYME
prnewswire.com - April 4 at 6:18 PM
Kirby McInerney LLP Announces Investigation of Shareholder Claims Against Zymeworks Inc. (ZYME)Kirby McInerney LLP Announces Investigation of Shareholder Claims Against Zymeworks Inc. (ZYME)
morningstar.com - April 4 at 7:39 AM
Zymeworks Inc. Investigation Ongoing: Contact Levi & Korsinsky About Potential Securities Fraud Allegations - ZYMEZymeworks Inc. Investigation Ongoing: Contact Levi & Korsinsky About Potential Securities Fraud Allegations - ZYME
accesswire.com - April 3 at 9:30 PM

New MarketBeat Followers Over Time

Media Sentiment Over Time

Company Descriptions

Aimmune Therapeutics logo

Aimmune Therapeutics

NASDAQ:AIMT
Aimmune Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops and commercializes product candidates for the treatment of peanut and other food allergies. Its lead Characterized Oral Desensitization ImmunoTherapy (CODIT) product candidate is AR101, an investigational biologic, which is in Phase III clinical trial for the treatment of patients with peanut allergy. The company also engages in the research and development of AR201, a CODIT product candidate for the treatment of egg allergy in pediatric and young adult patients; and other CODIT product candidates targeting food allergies, such as cow's milk allergy. Aimmune Therapeutics, Inc. has a strategic collaboration with an affiliate of Nestle Health Science US Holdings, Inc. for the advancement of food allergy therapeutics; and clinical collaboration agreement with Regeneron Ireland Unlimited Company and Sanofi Biotechnology SAS to study AR101 with adjunctive dupilumab in peanut-allergic patients in a Phase II trial. The company was formerly known as Allergen Research Corporation and changed its name to Aimmune Therapeutics, Inc. in May 2015. Aimmune Therapeutics, Inc. was founded in 2011 and is headquartered in Brisbane, California.
Akcea Therapeutics logo

Akcea Therapeutics

NASDAQ:AKCA
Akcea Therapeutics, Inc., a biopharmaceutical company, focuses on developing and commercializing drugs to treat patients with serious and rare diseases in the United States and internationally. The company offers TEGSEDI, which is designed to reduce the production of transthyretin protein. It develops WAYLIVRA, which has completed Phase III clinical study for the treatment of familial chylomicronemia syndrome; and that is in Phase III clinical study for the treatment of familial partial lipodystrophy. The company also develops AKCEA-APO(a)-LRx, which has completed Phase IIb clinical study for treating patients suffering with hyperlipoproteinemia; AKCEA-ANGPTL3-LRx that has completed Phase IIb clinical study for the treatment of multiple lipid disorders; and AKCEA-APOCIII-LRx, which is in Phase II study for the treatment of cardiovascular disease due to elevated triglyceride levels, as well as AKCEA-TTR-LRx to treat the broad population of patients with hereditary and wild-type forms of transthyretin amyloidosis. It has strategic collaboration with Novartis Pharma AG and PTC Therapeutics International Limited. The company was incorporated in 2014 and is headquartered in Boston, Massachusetts. Akcea Therapeutics, Inc. operates as a subsidiary of Ionis Pharmaceuticals, Inc.
Esperion Therapeutics logo

Esperion Therapeutics

NASDAQ:ESPR
Esperion Therapeutics, Inc., a pharmaceutical company, develops and commercializes medicines for the treatment of patients with elevated low density lipoprotein cholesterol (LDL-C). Its marketed products include NEXLETOL (bempedoic acid) and NEXLIZET (bempedoic acid and ezetimibe) tablets that are oral, once-daily, non-statin medicines for the treatment of primary hyperlipidemia in adults with heterozygous familial hypercholesterolemia or atherosclerotic cardiovascular disease who require additional lowering of LDL-C. The company's products also include NILEMDO, an ATP Citrate Lyase (ACL) inhibitor that lowers LDL-C and cardiovascular risk by reducing cholesterol biosynthesis and up-regulating the LDL receptors; and NUSTENDI, a bempedoic acid and ezetimibe tablet to treat elevated LDL-C. The company has license and collaboration agreements with Daiichi Sankyo Co. Ltd to; Otsuka Pharmaceutical Co., Ltd; and Daiichi Sankyo Europe GmbH. Esperion Therapeutics, Inc. was incorporated in 2008 and is headquartered in Ann Arbor, Michigan.
Heron Therapeutics logo

Heron Therapeutics

NASDAQ:HRTX
Heron Therapeutics, Inc., a commercial-stage biotechnology company, focuses on enhancing the lives of patients by developing and commercializing therapeutic that enhances medical care. The company's product candidates utilize its proprietary Biochronomer, a drug delivery technology, which delivers therapeutic levels of a range of short-acting pharmacological agents over a period from days to weeks with a single administration. It offers SUSTOL (granisetron), an extended-release injection for the prevention of acute and delayed nausea and vomiting associated with moderately emetogenic chemotherapy, or anthracycline and cyclophosphamide combination chemotherapy regimens; and CINVANTI, an intravenous formulation of aprepitant, a substance P/neurokinin-1 receptor antagonist for the prevention of acute and delayed nausea and vomiting associated with highly emetogenic cancer chemotherapy, as well as nausea and vomiting associated with moderately emetogenic cancer chemotherapy. The company is also developing ZYNRELEF, a dual-acting local anesthetic that delivers a fixed-dose combination of the local anesthetic bupivacaine and a low dose of the nonsteroidal anti-inflammatory drug meloxicam; and APONVIE, an intravenous formulation of a substance P/neurokinin-1 receptor antagonist indicated for the prevention of postoperative nausea and vomiting in adults. The company was formerly known as A.P. Pharma, Inc. and changed its name to Heron Therapeutics, Inc. in January 2014. Heron Therapeutics, Inc. was founded in 1983 and is headquartered in San Diego, California.
Zymeworks logo

Zymeworks

NYSE:ZYME
Zymeworks Inc., a clinical-stage biopharmaceutical company, discovers, develops, and commercializes biotherapeutics for the treatment of cancer. The company's lead product candidates include zanidatamab, a human epidermal growth factor receptor 2 (HER2) that is in Phase 1, Phase 2, and Phase 3 clinical trials, including certain ongoing pivotal clinical trials; and zanidatamab zovodotin, a HER2 -targeted antibody-drug conjugate that is in Phase 2 clinical trial for the treatment of advanced or metastatic HER2-expressing tumors. It also develops a pipeline of preclinical product candidates and discovery-stage programs in oncology, including immuno-oncology agents and other therapeutic areas. Zymeworks Inc. has strategic partnerships and collaborations with BeiGene, Ltd.; Celgene Corporation; Celgene Alpine Investment Co. LLC; GlaxoSmithKline Intellectual Property Development Limited; Daiichi Sankyo Co., Ltd.; Janssen Biotech, Inc.; LEO Pharma A/S; Iconic Therapeutics, Inc.; Merck Sharp & Dohme Research GmbH; and Atreca, Inc. Zymeworks Inc. was incorporated in 2003 and is based in Middletown, Delaware.