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
Kenneth GalbraithChair CEO2026-01-1230,424$22.67
$689.83kSell
Mark HollywoodEVP Chief Operating Officer2026-01-126,120$22.67
$138.76kSell
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
Paul Andrew MooreChief Scientific Officer2026-01-0510,821$25.10
$271.57kSell
Kenneth GalbraithChair CEO2026-01-0522,657$25.10
$568.62kSell
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 Officer2026-01-059,289$25.10
$233.13kSell

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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 LLC55.36%40,426,434$971.45MInsider
Ecor1 Capital LLC31.46%22,970,388$551.98MInstitution
Oleg Nodelman21.53%15,720,161$377.76MInsider
Redmile Group LLC8.28%6,045,437$145.27MInsider
Rubric Capital Management LP7.87%5,750,000$138.17MInstitution
Blackrock Inc6.29%4,595,548$110.43MInstitution
Bvf Inc5.39%3,938,641$94.65MInstitution
Perceptive Advisors LLC4.47%3,261,850$78.38MInstitution
Morgan Stanley3.55%2,593,080$62.31MInstitution
Vanguard Group Inc3.19%2,328,727$55.96MInstitution

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ZYME vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZYME51.75%48.25%Net Buying
HRMY77.07%22.93%Net SellingNet Selling
VRDN77.60%22.40%Net BuyingNet Selling
MBX44.50%55.50%Net BuyingNet Buying
OCS31.17%0.00%

Zymeworks Stock Ownership FAQ

Who owns Zymeworks?

Zymeworks (NASDAQ: ZYME) is owned by 97.85% institutional shareholders, 91.22% Zymeworks insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Zymeworks shareholder, owning 40.43M shares representing 55.36% of the company. Ecor1 Capital LLC's Zymeworks shares are currently valued at $966.19M.

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