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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

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Net Insider Buy/Sell (L12M) Ownership

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ZYME Shareholders

What type of owners hold Zymeworks Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ecor1 Capital LLC58.01%40,426,434$599.93MInsider
Ecor1 Capital LLC32.96%22,970,388$340.88MInstitution
Oleg Nodelman22.56%15,720,161$233.29MInsider
Redmile Group LLC8.68%6,045,437$89.71MInsider
Rubric Capital Management LP6.76%4,710,551$69.90MInstitution
Bvf Inc6.18%4,308,935$63.94MInstitution
Morgan Stanley6.00%4,177,614$62.00MInstitution
Redmile Group LLC5.96%4,150,627$61.60MInstitution
Blackrock Inc5.45%3,794,272$56.31MInstitution
Vanguard Group Inc3.54%2,464,693$36.58MInstitution

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ZYME vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZYME53.28%46.72%Net BuyingNet Buying
MLYS63.09%36.91%Net BuyingNet Selling
MDXG46.34%53.66%Net BuyingNet Buying
PHAR0.01%0.00%
NUVB58.49%41.51%Net BuyingNet Buying
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 $598.72M.

If you're new to stock investing, here's how to buy Zymeworks stock.
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