Zymeworks Inc.

NasdaqGS:ZYME Stock Report

Market Cap: US$1.9b

Zymeworks Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:ZYME Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
19 May 25BuyUS$635,586EcoR1 Capital, LLCCompany55,421US$11.78
17 Apr 25BuyUS$1,456,408EcoR1 Capital, LLCCompany128,713US$11.52
04 Apr 25BuyUS$3,623,970EcoR1 Capital, LLCCompany317,208US$11.84
02 Apr 25BuyUS$1,500,471EcoR1 Capital, LLCCompany127,683US$11.85
26 Mar 25BuyUS$1,227,309EcoR1 Capital, LLCCompany97,349US$12.91
24 Mar 25BuyUS$1,643,248EcoR1 Capital, LLCCompany127,198US$13.08
19 Mar 25BuyUS$2,866,553EcoR1 Capital, LLCCompany228,463US$12.65
17 Mar 25BuyUS$688,465EcoR1 Capital, LLCCompany56,277US$12.23
13 Mar 25BuyUS$13,919,996EcoR1 Capital, LLCCompany1,147,874US$12.48
17 Jan 25BuyUS$1,963,538EcoR1 Capital, LLCCompany141,429US$13.89
15 Jan 25BuyUS$2,278,811EcoR1 Capital, LLCCompany167,654US$14.01
10 Jan 25BuyUS$2,974,819EcoR1 Capital, LLCCompany225,119US$14.07
02 Jan 25BuyUS$5,321,176EcoR1 Capital, LLCCompany363,369US$14.78
27 Dec 24BuyUS$1,882,115EcoR1 Capital, LLCCompany130,309US$14.49
23 Dec 24BuyUS$17,544,284EcoR1 Capital, LLCCompany1,254,808US$14.25

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ZYME?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders631,7580.825%
Hedge Funds31,619,58041.3%
Institutions44,336,66257.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 88.95% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
30.7%
EcoR1 Capital, LLC
22,970,388US$574.0m0%23.68%
6.29%
Rubric Capital Management LP
4,710,551US$117.7m0%1.53%
5.33%
BlackRock, Inc.
3,989,533US$99.7m5.15%no data
5.26%
BVF Partners L.P.
3,938,641US$98.4m-8.59%2.77%
5.25%
Morgan Stanley
3,928,600US$98.2m-5.26%0.01%
4.95%
Redmile Group, LLC
3,705,750US$92.6m-10.7%6.39%
2.88%
The Vanguard Group, Inc.
2,154,434US$53.8m-12.6%no data
2.79%
Perceptive Advisors LLC
2,090,663US$52.2m63.9%1.14%
2.68%
HBM Partners Ltd.
2,004,500US$50.1m0%3.96%
2.36%
Vestal Point Capital, LP
1,765,000US$44.1m53.5%1.58%
2.35%
UBS Asset Management AG
1,762,304US$44.0m-35%no data
2.16%
Blackstone Alternative Asset Management L.P.
1,616,290US$40.4m-2.44%4.82%
2.05%
Deutsche Asset & Wealth Management
1,536,861US$38.4m0.01%0.01%
1.77%
Assenagon Asset Management S.A.
1,326,774US$33.2m169%0.04%
1.59%
Dimensional Fund Advisors LP
1,190,838US$29.8m-0.13%no data
1.49%
Nextech Invest Ltd.
1,113,946US$27.8m0%2.91%
1.48%
Millennium Management LLC
1,104,813US$27.6m852%0.02%
1.47%
Tang Capital Management, LLC
1,100,000US$27.5m0%0.83%
1.44%
State Street Global Advisors, Inc.
1,081,189US$27.0m-0.67%no data
1%
Prosight Management, LP
749,611US$18.7m-42.8%4.03%
0.91%
Geode Capital Management, LLC
678,636US$17.0m-3.79%no data
0.75%
Adage Capital Management, L.P.
564,000US$14.1m18.5%0.02%
0.75%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
562,210US$14.0m-13.7%no data
0.66%
Gregory Ciongoli
493,500US$12.3m0%no data
0.58%
Renaissance Technologies LLC
431,700US$10.8m-19.1%0.01%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/11/25 18:12
End of Day Share Price 2025/11/25 00:00
Earnings2025/09/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Zymeworks Inc. is covered by 19 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
David MartinBloom Burton & Co.
Mayank MamtaniB. Riley Securities, Inc.
Arlinda LeeCanaccord Genuity