WallStreetZenWallStreetZen

NASDAQ: ZYME
Zymeworks Inc Stock Ownership - Who owns Zymeworks?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Zymeworks Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Gregory Austin CiongoliDirector2025-08-12415,000$12.02
$4.99MBuy
Ecor1 Capital LLCDirector2025-06-2641$12.71
$521.11Sell
Ecor1 Capital LLCDirector2025-05-195,919$11.78
$69.74kBuy
Ecor1 Capital LLCDirector2025-05-1549,502$11.43
$565.86kBuy
Ecor1 Capital LLCDirector2025-04-1754,760$11.52
$630.84kBuy
Ecor1 Capital LLCDirector2025-04-1673,953$11.16
$825.61kBuy
Ecor1 Capital LLCDirector2025-04-04196,438$11.17
$2.19MBuy
Ecor1 Capital LLCDirector2025-04-03120,770$11.84
$1.43MBuy
Ecor1 Capital LLCDirector2025-04-0274,360$11.85
$881.02kBuy
Ecor1 Capital LLCDirector2025-04-0148,658$11.60
$564.63kBuy

1 of 5

ZYME insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when ZYME insiders and whales buy or sell their stock.

ZYME Shareholders

What type of owners hold Zymeworks Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ecor1 Capital LLC58.01%40,426,434$717.16MInsider
Ecor1 Capital LLC32.96%22,970,388$407.49MInstitution
Oleg Nodelman22.56%15,720,161$278.88MInsider
Redmile Group LLC8.68%6,045,437$107.25MInsider
Rubric Capital Management LP6.76%4,710,551$83.57MInstitution
Bvf Inc6.18%4,308,935$76.44MInstitution
Morgan Stanley6.00%4,177,614$74.11MInstitution
Redmile Group LLC5.96%4,150,627$73.63MInstitution
Blackrock Inc5.45%3,794,272$67.31MInstitution
Vanguard Group Inc3.54%2,464,693$43.72MInstitution

1 of 3

ZYME vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZYME53.28%46.72%Net BuyingNet Buying
ATAI13.61%39.45%Net BuyingNet Buying
IMTX76.59%0.00%
TRML58.17%41.83%Net BuyingNet Buying
ELVN49.50%50.50%Net SellingNet Selling
View Top Biotech Stocks

Zymeworks Stock Ownership FAQ

Who owns Zymeworks?

Zymeworks (NASDAQ: ZYME) is owned by 108.52% institutional shareholders, 95.15% Zymeworks insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Zymeworks shareholder, owning 40.43M shares representing 58.01% of the company. Ecor1 Capital LLC's Zymeworks shares are currently valued at $717.16M.

If you're new to stock investing, here's how to buy Zymeworks stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.