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

Insider buying vs selling

Have Zymeworks Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark HollywoodEVP Chief Operating Officer2026-07-06939$22.22
$20.86kBuy
Jeffrey T. L. SmithEVP Chief Medical Officer2026-01-129,310$22.67
$211.09kSell
Kenneth GalbraithChair CEO2026-01-1230,424$22.67
$689.83kSell
Paul Andrew MooreChief Scientific Officer2026-01-129,560$22.67
$216.76kSell
Mark HollywoodEVP Chief Operating Officer2026-01-126,120$22.67
$138.76kSell
Leone D. PattersonEVP Chief Bus Fin Officer2026-01-06459$10.55
$4.84kBuy
Paul Andrew MooreChief Scientific Officer2026-01-059,289$25.10
$233.13kSell
Kenneth GalbraithChair CEO2026-01-0522,657$25.10
$568.62kSell
Kenneth GalbraithChair CEO2026-01-0531,686$25.10
$795.22kSell
Paul Andrew MooreChief Scientific Officer2026-01-0510,821$25.10
$271.57kSell

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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 LLC56.97%40,426,434$1.01BInsider
Ecor1 Capital LLC32.37%22,970,388$572.65MInstitution
Oleg Nodelman22.15%15,720,161$391.90MInsider
Rubric Capital Management LP9.86%7,000,000$174.51MInstitution
Redmile Group LLC8.52%6,045,437$150.71MInsider
Blackrock Inc6.42%4,553,888$113.53MInstitution
Bvf Inc5.26%3,734,142$93.09MInstitution
Perceptive Advisors LLC4.95%3,510,078$87.51MInstitution
Morgan Stanley3.50%2,480,568$61.84MInstitution
Bnp Paribas Asset Management Holding Sa2.69%1,908,039$47.57MInstitution

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ZYME vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZYME51.33%48.67%Net SellingNet Buying
ZBIO74.49%25.51%Net BuyingNet Buying
LKFT47.44%0.00%
NBTX11.77%0.00%
RXRX62.15%13.36%Net SellingNet Selling

Zymeworks Stock Ownership FAQ

Who owns Zymeworks?

Zymeworks (NASDAQ: ZYME) is owned by 99.04% institutional shareholders, 93.89% Zymeworks insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Zymeworks shareholder, owning 40.43M shares representing 56.97% of the company. Ecor1 Capital LLC's Zymeworks shares are currently valued at $1.04B.

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