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Zymeworks Inc.

ZYME
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001937653

No open-market purchases or sales by Zymeworks Inc. insiders were filed in the last 90 days; 202 institutions reported holding it in 13F filings for Q2 2026, worth $1.82B in total; no superinvestor holds it.

Key figures

Insider buysOpen market, last 90 days
0
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, −6 vs. previous quarter
202
13F valueReported value at the end of Q2 2026
$1.82B
Superinvestors holdingAt the end of Q2 2026
0

Price chart

Superinvestors holding ZYME, Q2 2026

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No superinvestor reported holding ZYME at the end of Q2 2026.

Latest insider trades

Open-market purchases and sales by Zymeworks Inc. insiders from Form 4, newest first.

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Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jan 13, 2026 (view filing)Jan 121 dayHollywood MarkEVP & Chief Operating OfficerSSale−6.12K$22.67−$138.7K−4.4%132.9K after
Jan 12, 2026 (view filing)Jan 12Same daySmith Jeffrey T LEVP & Chief Medical OfficerSSale−9.31K$22.67−$211.1K−25.8%26.7K after
Jan 12, 2026 (view filing)Jan 12Same dayMoore Paul AndrewChief Scientific OfficerSSale−9.56K$22.67−$216.7K−16.5%48.5K after
Jan 12, 2026 (view filing)Jan 12Same dayGalbraith KennethChair & CEOSSale−30.4K$22.67−$689.7K−11.8%226.8K after
Jan 5, 2026 (view filing)Jan 5Same daySmith Jeffrey T LEVP & Chief Medical OfficerSSale−10.5K$25.10−$264.5K−36.5%18.4K after
Jan 5, 2026 (view filing)Jan 5Same dayGalbraith KennethChair & CEOSSale−54.3K$25.10−$1.36M−21.9%193.3K after2 lots
Jan 5, 2026 (view filing)Jan 5Same dayMoore Paul AndrewChief Scientific OfficerSSale−20.1K$25.10−$504.8K−33.2%40.4K after2 lots
Dec 22, 2025 (view filing)Dec 22Same dayGalbraith KennethChair & CEOSSale−47.5K$27.02−$1.28M−26.3%133.3K after
May 19, 2025 (view filing)6:35 PM ETMay 15-194 daysNodelman Oleg and 1 otherDirector, 10% OwnerPPurchase+55.4K$11.47+$635.6K+0.3%17.9M after2 lots
Apr 18, 2025 (view filing)3:17 PM ETApr 16-172 daysNodelman Oleg and 1 otherDirector, 10% OwnerPPurchase+128.7K$11.32+$1.46M+0.7%17.8M after2 lots

Top 10 13F holders, Q2 2026

The largest institutional positions in Zymeworks Inc. at the end of Q2 2026; share changes are against Q1 2026.

See all 202 holders
Institutions holding ZYME in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
EcoR1 Capital, LLC22,970,388$600.4M29.77%00.0%Unchanged
Rubric Capital Management LP7,000,000$183.0M1.68%00.0%Unchanged
BlackRock, Inc.4,251,030$111.1M0.00%−302,858−6.7%Reduced
Perceptive Advisors LLC4,182,953$109.3M1.70%+672,875+19.2%Added
BVF Inc3,649,142$95.4M2.44%−85,000−2.3%Reduced
Assenagon Asset Management S.A.2,504,054$65.5M0.04%+1,776,068+244.0%Added
Morgan Stanley2,231,260$58.3M0.00%−249,308−10.1%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,781,116$46.6M0.05%−126,923−6.7%Reduced
Vanguard Capital Management LLC1,558,998$40.8M0.00%−146,582−8.6%Reduced
Nextech Invest, Ltd.1,113,946$29.1M1.38%00.0%Unchanged