InsiderTrades.com logo

ZYME Insider Trading

Insider Ownership Percentage: 1.92%
Insider Buying (Last 12 Months): $25,157,739.97
Insider Selling (Last 12 Months): $1,336,846.92

Zymeworks Insider Trading History Chart

This chart shows the insider buying and selling history at Zymeworks by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Zymeworks Share Price & Price History

Current Price: $13.10
Price Change: ▲ Price Increase of +0.22 (1.71%)
As of 06/12/2025 05:00 PM ET

This chart shows the closing price history over time for ZYME up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Zymeworks Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
5/19/2025Ecor1 Capital, LlcDirectorBuy5,919$11.78$69,725.8217,883,908View SEC Filing Icon  
5/15/2025Ecor1 Capital, LlcDirectorBuy49,502$11.43$565,807.8617,877,989View SEC Filing Icon  
4/16/2025Ecor1 Capital, LlcDirectorBuy73,953$11.16$825,315.4817,773,727View SEC Filing Icon  
4/4/2025Ecor1 Capital, LlcDirectorBuy196,438$11.17$2,194,212.4617,699,774View SEC Filing Icon  
4/2/2025Ecor1 Capital, LlcDirectorBuy74,360$11.85$881,166.0017,382,566View SEC Filing Icon  
3/31/2025Ecor1 Capital, LlcDirectorBuy4,397$11.75$51,664.7517,259,548View SEC Filing Icon  
3/26/2025Ecor1 Capital, LlcDirectorBuy43,848$12.24$536,699.5217,255,151View SEC Filing Icon  
3/24/2025Ecor1 Capital, LlcDirectorBuy22,689$13.08$296,772.1217,157,802View SEC Filing Icon  
3/21/2025Ecor1 Capital, LlcDirectorBuy31,033$12.78$396,601.7417,135,113View SEC Filing Icon  
3/19/2025Ecor1 Capital, LlcDirectorBuy58,306$12.64$736,987.8417,030,604View SEC Filing Icon  
3/17/2025Ecor1 Capital, LlcDirectorBuy56,277$12.23$688,267.7116,858,418View SEC Filing Icon  
3/13/2025Ecor1 Capital, LlcDirectorBuy468,356$12.48$5,845,082.8816,802,141View SEC Filing Icon  
3/11/2025Ecor1 Capital, LlcDirectorBuy320,690$11.49$3,684,728.1016,040,851View SEC Filing Icon  
1/17/2025Ecor1 Capital, LlcDirectorBuy19,748$13.87$273,904.7615,720,161View SEC Filing Icon  
1/15/2025Ecor1 Capital, LlcDirectorBuy39,029$14.01$546,796.2915,578,732View SEC Filing Icon  
1/13/2025Ecor1 Capital, LlcDirectorBuy74,125$13.39$992,533.7515,485,203View SEC Filing Icon  
1/10/2025Ecor1 Capital, LlcDirectorBuy204,098$13.13$2,679,806.7415,411,078View SEC Filing Icon  
1/8/2025Ecor1 Capital, LlcDirectorBuy21,021$14.07$295,765.4715,206,980View SEC Filing Icon  
1/6/2025Jeffrey T. L. SmithEVPSell11,110$14.92$165,761.208,890View SEC Filing Icon  
1/6/2025Kenneth GalbraithCEOSell57,291$14.92$854,781.7247,543View SEC Filing Icon  
1/6/2025Paul Andrew MooreInsiderSell21,200$14.92$316,304.0014,741View SEC Filing Icon  
1/2/2025Ecor1 Capital, LlcDirectorBuy157,880$14.78$2,333,466.4015,185,959View SEC Filing Icon  
12/30/2024Ecor1 Capital, LlcDirectorBuy58,988$14.47$853,556.3614,881,578View SEC Filing Icon  
12/26/2024Ecor1 Capital, LlcDirectorBuy16,692$14.38$240,030.9614,720,931View SEC Filing Icon  
12/24/2024Ecor1 Capital, LlcDirectorBuy11,958$14.12$168,846.9614,704,239View SEC Filing Icon  
1/8/2024Christopher AstleCFOSell1,431$11.22$16,055.826,503View SEC Filing Icon  
1/8/2024Kenneth GalbraithCEOSell5,706$11.22$64,021.3223,762View SEC Filing Icon  
1/8/2024Paul Andrew MooreInsiderSell2,339$11.22$26,243.587,367View SEC Filing Icon  
1/5/2024Christopher AstleCFOSell4,563$10.65$48,595.957,934View SEC Filing Icon  
1/5/2024Kenneth GalbraithCEOSell18,198$10.65$193,808.7029,468View SEC Filing Icon  
1/5/2024Paul Andrew MooreInsiderSell7,460$10.65$79,449.009,706View SEC Filing Icon  
12/11/2023Christopher AstleCFOSell886$9.13$8,089.181,997View SEC Filing Icon  
6/16/2023Ecor1 Capital, LlcMajor ShareholderBuy3,350,000$8.12$27,202,000.0013,437,473View SEC Filing Icon  
3/28/2023Ecor1 Capital, LlcMajor ShareholderBuy200,000$8.00$1,600,000.0010,087,473View SEC Filing Icon  
3/10/2023Neil A. KlompasCOOSell2,977$7.83$23,309.9117,032View SEC Filing Icon  
1/19/2023Ecor1 Capital, LlcMajor ShareholderBuy144,100$9.49$1,367,509.009,724,073View SEC Filing Icon  
1/17/2023Ecor1 Capital, LlcMajor ShareholderBuy440,000$9.80$4,312,000.009,376,973View SEC Filing Icon  
1/13/2023Ecor1 Capital, LlcMajor ShareholderBuy342,100$9.81$3,356,001.008,936,973View SEC Filing Icon  
1/10/2023Ecor1 Capital, LlcMajor ShareholderBuy920,000$7.65$7,038,000.008,488,573View SEC Filing Icon  
12/12/2022Christopher AstleCFOSell887$6.01$5,330.871,333View SEC Filing Icon  
11/10/2022Neil JosephsonInsiderSell2,475$8.10$20,047.5014,449View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Zymeworks (NYSE:ZYME)

92.89% of Zymeworks stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ZYME by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Zymeworks Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/29/2025Rhumbline Advisers82,738$0.99M0.0%-20.3%0.119%Search for SEC Filing on Google Icon
5/19/2025Jane Street Group LLC135,763$1.62M0.0%+487.0%0.195%Search for SEC Filing on Google Icon
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC3,879,945$46.21M0.0%+184.2%5.576%Search for SEC Filing on Google Icon
5/16/2025Empowered Funds LLC360,044$4.29M0.1%+2.1%0.517%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.200,047$2.38M0.0%-20.0%0.288%Search for SEC Filing on Google Icon
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.32,385$0.39M0.0%+4.6%0.047%Search for SEC Filing on Google Icon
5/16/2025Jacobs Levy Equity Management Inc.12,040$0.14M0.0%-96.6%0.017%Search for SEC Filing on Google Icon
5/16/2025Granahan Investment Management LLC407,589$4.85M0.2%-0.9%0.586%Search for SEC Filing on Google Icon
5/16/2025EcoR1 Capital LLC17,259,548$205.56M12.2%+14.8%24.806%Search for SEC Filing on Google Icon
5/16/2025Bridgeway Capital Management LLC766,944$9.13M0.2%+1.0%1.102%Search for SEC Filing on Google Icon
5/16/2025AQR Capital Management LLC48,485$0.58M0.0%+86.0%0.070%Search for SEC Filing on Google Icon
5/16/2025ADAR1 Capital Management LLC50,000$0.60M0.1%N/A0.072%Search for SEC Filing on Google Icon
5/15/2025Redmile Group LLC4,788,945$57.04M5.4%-1.1%6.883%Search for SEC Filing on Google Icon
5/15/2025Vestal Point Capital LP500,000$5.96M0.4%+170.3%0.719%Search for SEC Filing on Google Icon
5/15/2025Royal Bank of Canada56,771$0.68M0.0%-6.8%0.082%Search for SEC Filing on Google Icon
5/15/2025Magnetar Financial LLC12,448$0.15M0.0%N/A0.018%Search for SEC Filing on Google Icon
5/15/2025Tema Etfs LLC33,001$0.39M0.1%N/A0.047%Search for SEC Filing on Google Icon
5/15/2025Trexquant Investment LP220,809$2.63M0.0%+116.5%0.317%Search for SEC Filing on Google Icon
5/14/2025Walleye Capital LLC247,959$2.95M0.0%-45.2%0.356%Search for SEC Filing on Google Icon
5/14/2025AlphaQuest LLC31,676$0.38M0.0%+1,028.1%0.046%Search for SEC Filing on Google Icon
5/14/2025Wellington Management Group LLP182,246$2.17M0.0%-16.8%0.262%Search for SEC Filing on Google Icon
5/13/2025Northwest & Ethical Investments L.P.10,030$0.12M0.0%+83.3%0.014%Search for SEC Filing on Google Icon
5/13/2025Cresset Asset Management LLC21,320$0.25M0.0%-30.8%0.031%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.31,147$0.37M0.0%-22.0%0.045%Search for SEC Filing on Google Icon
5/13/2025Tejara Capital Ltd189,409$2.26M0.9%+391.5%0.272%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC198,812$2.37M0.0%N/A0.286%Search for SEC Filing on Google Icon
5/12/2025Invesco Ltd.78,206$0.93M0.0%+12.7%0.112%Search for SEC Filing on Google Icon
5/12/2025Swiss National Bank80,100$0.95M0.0%-11.2%0.115%Search for SEC Filing on Google Icon
5/9/2025Deutsche Bank AG1,552,612$18.49M0.0%+0.4%2.232%Search for SEC Filing on Google Icon
5/9/2025Charles Schwab Investment Management Inc.133,639$1.59M0.0%+1.8%0.192%Search for SEC Filing on Google Icon
5/9/2025Vanguard Group Inc.1,767,041$21.05M0.0%-29.1%2.540%Search for SEC Filing on Google Icon
5/8/2025XTX Topco Ltd20,205$0.24M0.0%-40.0%0.029%Search for SEC Filing on Google Icon
5/7/2025Picton Mahoney Asset Management208,029$2.48M0.0%+0.7%0.299%Search for SEC Filing on Google Icon
5/7/2025Zurcher Kantonalbank Zurich Cantonalbank 24,531$0.29M0.0%+25.1%0.035%Search for SEC Filing on Google Icon
5/6/2025One Wealth Advisors LLC10,404$0.12M0.0%-25.6%0.015%Search for SEC Filing on Google Icon
5/2/2025Victory Capital Management Inc.44,270$0.53M0.0%-14.2%0.064%Search for SEC Filing on Google Icon
5/1/2025CWM LLC2,299$27K0.0%+1,091.2%0.003%Search for SEC Filing on Google Icon
5/1/2025Arizona State Retirement System11,846$0.14M0.0%-11.7%0.017%Search for SEC Filing on Google Icon
4/30/2025China Universal Asset Management Co. Ltd.13,816$0.17M0.0%-5.4%0.020%Search for SEC Filing on Google Icon
4/29/2025Envestnet Asset Management Inc.49,512$0.59M0.0%-8.5%0.071%Search for SEC Filing on Google Icon
4/28/2025Teacher Retirement System of Texas11,168$0.13M0.0%-18.7%0.016%Search for SEC Filing on Google Icon
4/21/2025Duncan Williams Asset Management LLC22,095$0.26M0.1%N/A0.032%Search for SEC Filing on Google Icon
4/17/2025Janney Montgomery Scott LLC11,567$0.14M0.0%+12.7%0.017%Search for SEC Filing on Google Icon
4/17/2025Exchange Traded Concepts LLC10,126$0.12M0.0%-24.4%0.015%Search for SEC Filing on Google Icon
4/17/2025Ritholtz Wealth Management60,494$0.72M0.0%-18.8%0.087%Search for SEC Filing on Google Icon
4/15/2025Assenagon Asset Management S.A.495,067$5.90M0.0%-22.9%0.712%Search for SEC Filing on Google Icon
4/15/2025SG Americas Securities LLC98,165$1.17M0.0%+266.5%0.141%Search for SEC Filing on Google Icon
4/8/2025Rhumbline Advisers82,738$0.99M0.0%-20.3%0.119%Search for SEC Filing on Google Icon
4/7/2025GAMMA Investing LLC6,467$77K0.0%+1,113.3%0.009%Search for SEC Filing on Google Icon
3/24/2025Wellington Management Group LLP219,098$3.21M0.0%-9.9%0.315%Search for SEC Filing on Google Icon
2/25/2025Polar Asset Management Partners Inc.36,000$0.53M0.0%N/A0.052%Search for SEC Filing on Google Icon
2/19/2025Public Employees Retirement System of Ohio50,583$0.74M0.0%-17.1%0.073%Search for SEC Filing on Google Icon
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,365,111$19.99M0.0%-10.4%1.982%Search for SEC Filing on Google Icon
2/17/2025Voloridge Investment Management LLC43,708$0.64M0.0%N/A0.063%Search for SEC Filing on Google Icon
2/17/2025Vestal Point Capital LP185,000$2.71M0.2%-69.9%0.269%Search for SEC Filing on Google Icon
2/17/2025Silvercrest Asset Management Group LLC282,345$4.13M0.0%-1.0%0.410%Search for SEC Filing on Google Icon
2/17/2025Redmile Group LLC4,840,463$70.86M4.9%-5.1%7.027%Search for SEC Filing on Google Icon
2/17/2025Point72 Asset Management L.P.330,127$4.83M0.0%+565.8%0.479%Search for SEC Filing on Google Icon
2/17/2025Polar Asset Management Partners Inc.36,000$0.53M0.0%N/A0.052%Search for SEC Filing on Google Icon
2/17/2025ProShare Advisors LLC18,623$0.27M0.0%-36.9%0.027%Search for SEC Filing on Google Icon
2/17/2025Prosight Management LP820,000$12.01M3.3%-10.6%1.190%Search for SEC Filing on Google Icon
2/17/2025Nuveen Asset Management LLC207,023$3.03M0.0%+0.4%0.301%Search for SEC Filing on Google Icon
2/17/2025Jacobs Levy Equity Management Inc.356,168$5.21M0.0%-31.9%0.517%Search for SEC Filing on Google Icon
2/17/2025Granahan Investment Management LLC411,120$6.02M0.3%-33.0%0.597%Search for SEC Filing on Google Icon
2/17/2025Farallon Capital Management LLC1,329,974$19.47M0.1%-2.3%1.931%Search for SEC Filing on Google Icon
2/17/2025D. E. Shaw & Co. Inc.20,840$0.31M0.0%-4.3%0.030%Search for SEC Filing on Google Icon
2/17/2025Deutsche Bank AG1,546,772$22.65M0.0%+1.2%2.246%Search for SEC Filing on Google Icon
2/17/2025Cresset Asset Management LLC30,806$0.45M0.0%-21.8%0.045%Search for SEC Filing on Google Icon
2/17/2025Bridgeway Capital Management LLC759,653$11.12M0.2%+2.3%1.103%Search for SEC Filing on Google Icon
2/17/2025Blackstone Inc.569,715$8.34M0.0%+2,171.4%0.827%Search for SEC Filing on Google Icon
2/17/2025BVF Inc. IL4,308,935$63.08M2.1%-6.5%6.256%Search for SEC Filing on Google Icon
2/17/2025Bank of America Corp DE31,700$0.46M0.0%-54.5%0.046%Search for SEC Filing on Google Icon
2/17/2025BNP Paribas Financial Markets7,363$0.11M0.0%N/A0.011%Search for SEC Filing on Google Icon
2/17/2025Ameriprise Financial Inc.121,526$1.78M0.0%-11.5%0.176%Search for SEC Filing on Google Icon
2/17/2025Acuta Capital Partners LLC67,240$0.98M1.0%N/A0.098%Search for SEC Filing on Google Icon
2/14/2025Jane Street Group LLC23,127$0.34M0.0%-71.2%0.034%Search for SEC Filing on Google Icon
2/14/2025Schonfeld Strategic Advisors LLC22,800$0.33M0.0%N/A0.033%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp394,830$5.78M0.0%+6.4%0.573%Search for SEC Filing on Google Icon
2/14/2025The Manufacturers Life Insurance Company20,958$0.31M0.0%-4.9%0.030%Search for SEC Filing on Google Icon
2/14/2025Susquehanna Fundamental Investments LLC97,553$1.43M0.0%N/A0.142%Search for SEC Filing on Google Icon
2/14/2025Virtus ETF Advisers LLC5,633$82K0.0%-44.3%0.008%Search for SEC Filing on Google Icon
2/14/2025Voya Investment Management LLC59,514$0.87M0.0%+207.7%0.086%Search for SEC Filing on Google Icon
2/14/2025Price T Rowe Associates Inc. MD21,583$0.32M0.0%+17.6%0.031%Search for SEC Filing on Google Icon
2/14/2025Stifel Financial Corp64,330$0.94M0.0%-12.7%0.093%Search for SEC Filing on Google Icon
2/14/2025Tower Research Capital LLC TRC9,704$0.14M0.0%+343.9%0.014%Search for SEC Filing on Google Icon
2/14/2025MetLife Investment Management LLC33,946$0.50M0.0%+6.4%0.049%Search for SEC Filing on Google Icon
2/14/2025Dimensional Fund Advisors LP972,742$14.24M0.0%+14.5%1.412%Search for SEC Filing on Google Icon
2/13/2025Jump Financial LLC48,612$0.71M0.0%N/A0.071%Search for SEC Filing on Google Icon
2/13/2025Walleye Capital LLC452,804$6.63M0.0%N/A0.657%Search for SEC Filing on Google Icon
2/13/2025XTX Topco Ltd33,702$0.49M0.0%N/A0.049%Search for SEC Filing on Google Icon
2/13/2025Barclays PLC220,890$3.23M0.0%+43.1%0.321%Search for SEC Filing on Google Icon
2/13/2025Sterling Capital Management LLC1,719$25K0.0%+781.5%0.002%Search for SEC Filing on Google Icon
2/13/2025Kennedy Capital Management LLC139,953$2.05M0.0%-2.5%0.203%Search for SEC Filing on Google Icon
2/13/2025Raymond James Financial Inc.60,642$0.89M0.0%N/A0.088%Search for SEC Filing on Google Icon
2/13/2025Renaissance Technologies LLC285,700$4.18M0.0%+54.8%0.415%Search for SEC Filing on Google Icon
2/13/2025Legal & General Group Plc47,082$0.69M0.0%+5.8%0.068%Search for SEC Filing on Google Icon
2/13/2025Invesco Ltd.69,382$1.02M0.0%-57.4%0.101%Search for SEC Filing on Google Icon
2/13/2025Bank of Montreal Can25,948$0.38M0.0%-9.2%0.038%Search for SEC Filing on Google Icon
2/13/2025Federated Hermes Inc.181,626$2.66M0.0%+1.9%0.264%Search for SEC Filing on Google Icon
2/13/2025Russell Investments Group Ltd.44,945$0.66M0.0%-9.7%0.065%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Zymeworks logo
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.
Read More on Zymeworks

Today's Range

Now: $13.10
Low: $12.64
High: $13.44

50 Day Range

MA: $11.74
Low: $9.44
High: $13.10

52 Week Range

Now: $13.10
Low: $8.21
High: $17.70

Volume

334,183 shs

Average Volume

582,455 shs

Market Capitalization

$911.46 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.17

Who are the company insiders with the largest holdings of Zymeworks?

Zymeworks' top insider investors include:
  1. Ecor1 Capital, Llc (Director)
  2. Ecor1 Capital, Llc (Major Shareholder)
  3. Kenneth Galbraith (CEO)
  4. Paul Andrew Moore (Insider)
  5. Jeffrey T L Smith (EVP)
  6. Christopher Astle (CFO)
Learn More about top insider investors at Zymeworks.

Who are the major institutional investors of Zymeworks?

Zymeworks' top institutional investors include:
  1. EcoR1 Capital LLC — 24.81%
  2. Redmile Group LLC — 6.88%
  3. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC — 5.58%
  4. Vanguard Group Inc. — 2.54%
  5. Deutsche Bank AG — 2.23%
  6. Bridgeway Capital Management LLC — 1.10%
Learn More about top institutional investors of Zymeworks stock.

Which major investors are selling Zymeworks stock?

During the last quarter, ZYME stock was sold by these institutional investors:
  1. Vanguard Group Inc.
  2. Jacobs Levy Equity Management Inc.
  3. Walleye Capital LLC
  4. Assenagon Asset Management S.A.
  5. Redmile Group LLC
  6. Goldman Sachs Group Inc.
  7. Wellington Management Group LLP
  8. Rhumbline Advisers
During the previous year, company insiders that have sold Zymeworks company stock include:
  1. Ecor1 Capital, Llc (Director)
  2. Ecor1 Capital, Llc (Major Shareholder)
  3. Kenneth Galbraith (CEO)
Learn More investors selling Zymeworks stock.

Which major investors are buying Zymeworks stock?

Within the previous quarter, ZYME stock was purchased by institutional investors including:
  1. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
  2. EcoR1 Capital LLC
  3. Vestal Point Capital LP
  4. Nuveen LLC
  5. Tejara Capital Ltd
  6. Trexquant Investment LP
  7. Jane Street Group LLC
  8. SG Americas Securities LLC
During the last year, these company insiders have bought Zymeworks stock:
  1. Ecor1 Capital, Llc (Director)
  2. Ecor1 Capital, Llc (Major Shareholder)
Learn More investors buying Zymeworks stock.