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

Insider buying vs selling

Have Zymeworks Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jeffrey T. L. SmithEVP Chief Medical Officer2026-01-129,310$22.67
$211.09kSell
Mark HollywoodEVP Chief Operating Officer2026-01-126,120$22.67
$138.76kSell
Kenneth GalbraithChair CEO2026-01-1230,424$22.67
$689.83kSell
Paul Andrew MooreChief Scientific Officer2026-01-129,560$22.67
$216.76kSell
Leone D. PattersonEVP Chief Bus Fin Officer2026-01-06459$10.55
$4.84kBuy
Kenneth GalbraithChair CEO2026-01-0531,686$25.10
$795.22kSell
Jeffrey T. L. SmithEVP Chief Medical Officer2026-01-0510,538$25.10
$264.47kSell
Paul Andrew MooreChief Scientific Officer2026-01-0510,821$25.10
$271.57kSell
Paul Andrew MooreChief Scientific Officer2026-01-059,289$25.10
$233.13kSell
Kenneth GalbraithChair CEO2026-01-0522,657$25.10
$568.62kSell

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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 LLC54.82%40,426,434$954.06MInsider
Ecor1 Capital LLC31.15%22,970,388$542.10MInstitution
Oleg Nodelman21.32%15,720,161$371.00MInsider
Redmile Group LLC8.20%6,045,437$142.67MInsider
Rubric Capital Management LP7.80%5,750,000$135.70MInstitution
Blackrock Inc6.23%4,595,548$108.45MInstitution
Bvf Inc5.34%3,938,641$92.95MInstitution
Perceptive Advisors LLC4.42%3,261,850$76.98MInstitution
Morgan Stanley3.52%2,593,080$61.20MInstitution
Vanguard Group Inc3.16%2,328,727$54.96MInstitution

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ZYME vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZYME51.75%48.25%Net BuyingNet Selling
OCUL83.71%16.29%Net SellingNet Selling
AGIO75.90%24.10%Net SellingNet Selling
DFTX59.81%40.19%Net Selling
CAPR41.32%58.68%Net Buying

Zymeworks Stock Ownership FAQ

Who owns Zymeworks?

Zymeworks (NASDAQ: ZYME) is owned by 96.89% institutional shareholders, 90.32% Zymeworks insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Zymeworks shareholder, owning 40.43M shares representing 54.82% of the company. Ecor1 Capital LLC's Zymeworks shares are currently valued at $979.53M.

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