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 Officer2026-01-126,120$22.67
$138.76kSell
Jeffrey T. L. SmithEVP Chief Medical Officer2026-01-129,310$22.67
$211.09kSell
Paul Andrew MooreChief Scientific Officer2026-01-129,560$22.67
$216.76kSell
Kenneth GalbraithChair CEO2026-01-1230,424$22.67
$689.83kSell
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
Jeffrey T. L. SmithEVP Chief Medical Officer2026-01-0510,538$25.10
$264.47kSell

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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$976.30MInsider
Ecor1 Capital LLC31.46%22,970,388$554.73MInstitution
Oleg Nodelman21.53%15,720,161$379.64MInsider
Rubric Capital Management LP9.59%7,000,000$169.05MInstitution
Redmile Group LLC8.28%6,045,437$146.00MInsider
Blackrock Inc6.24%4,553,888$109.98MInstitution
Bvf Inc5.11%3,734,142$90.18MInstitution
Perceptive Advisors LLC4.81%3,510,078$84.77MInstitution
Morgan Stanley3.40%2,480,568$59.91MInstitution
Bnp Paribas Asset Management Holding Sa2.61%1,908,039$46.08MInstitution

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ZYME vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ZYME51.34%48.66%Net Buying
BCAX77.11%22.89%Net BuyingNet Buying
GHRS76.01%23.99%
SRPT77.22%22.78%Net Selling
NBTX11.77%0.00%

Zymeworks Stock Ownership FAQ

Who owns Zymeworks?

Zymeworks (NASDAQ: ZYME) is owned by 96.25% 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 $976.30M.

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