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 CEO2026-01-0522,657$25.10
$568.62kSell
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 CEO2026-01-0531,686$25.10
$795.22kSell

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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 LLC54.02%40,426,434$948.81MInsider
Ecor1 Capital LLC30.69%22,970,388$539.12MInstitution
Oleg Nodelman21.01%15,720,161$368.95MInsider
Redmile Group LLC8.08%6,045,437$141.89MInsider
Rubric Capital Management LP6.29%4,710,551$110.56MInstitution
Blackrock Inc5.33%3,989,533$93.63MInstitution
Morgan Stanley5.32%3,984,585$93.52MInstitution
Bvf Inc5.26%3,938,641$92.44MInstitution
Redmile Group LLC4.95%3,705,750$86.97MInstitution
Vanguard Group Inc2.88%2,154,434$50.56MInstitution

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ZYME vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZYME52.53%47.47%Net BuyingNet Selling
TNGX62.73%37.27%Net SellingNet Selling
SION63.12%36.88%Net BuyingNet Selling
SNDX91.94%8.06%Net Buying
CLDX84.74%15.26%Net BuyingNet Buying

Zymeworks Stock Ownership FAQ

Who owns Zymeworks?

Zymeworks (NASDAQ: ZYME) is owned by 98.50% institutional shareholders, 89.01% Zymeworks insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Zymeworks shareholder, owning 40.43M shares representing 54.02% of the company. Ecor1 Capital LLC's Zymeworks shares are currently valued at $948.81M.

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