13F

Stock

Zymeworks Inc.

ZYME · held by 209 managers

Reported value

$1.81B

Holders

209

+2 new · −1 exited

Holders’ est. mark

$25.7M

Price effect on 8 books still in the name

Largest holder

$604.8M

EcoR1 Capital, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
EcoR1 Capital, LLC23M$604.8MHeld
Rubric Capital Management LP5.75M$151.4MHeld
BlackRock, Inc.4.6M$121MHeld
BVF INC/IL3.94M$103.7MHeld
PERCEPTIVE ADVISORS LLC3.26M$85.9MHeld
MORGAN STANLEY2.59M$68.3M$24MAdded$219.1K
Vanguard2.33M$61.3MHeld
Siren, L.L.C.1.68M$44.2MHeld
DEUTSCHE BANK AG\1.6M$42MHeld
DIMENSIONAL FUND ADVISORS LP1.16M$30.5MHeld
Nextech Invest, Ltd.1.11M$29.3MHeld
State Street1.04M$27.3MHeld
Capricorn Fund Managers Ltd1.02M$26.9MHeld
Vestal Point Capital, LP865K$22.8MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP700K$18.4MHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.663.5K$17.5MHeld
Nuveen, LLC648.3K$17.1MHeld
GEODE CAPITAL MANAGEMENT, LLC648K$17.1MHeld
Assenagon Asset Management S.A.647.4K$17MHeld
Fidelity560.1K$14.7MHeld
Prosight Management, LP530.4K$14MHeld
Redmile Group, LLC491.7K$12.9MHeld
Qube Research & Technologies Ltd474.3K$12.5MHeld
GOLDMAN SACHS GROUP INC420.2K$11.1MHeld
MILLENNIUM MANAGEMENT LLC381.6K$10MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC320.3K$8.43MHeld
NORTHERN TRUST CORP308K$8.11MHeld
Schonfeld Strategic Advisors LLC288.6K$7.6MHeld
UBS Group AG278.9K$7.34MHeld
Invesco Ltd.257.6K$6.78MHeld
Citadel255.4K$6.72MHeld
PICTON MAHONEY ASSET MANAGEMENT244.8K$6.45MHeld
Hillsdale Investment Management Inc.237.9K$6.26MHeld
Granahan Investment Management, LLC224.4K$5.91MHeld
SummitTX Capital, L.P.224.3K$5.9MHeld
D. E. Shaw & Co., Inc.223.8K$5.89MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC220.9K$5.82MHeld
Renaissance Technologies220.9K$5.82MHeld
WELLS FARGO & COMPANY/MN208.3K$5.48MHeld
RAYMOND JAMES FINANCIAL INC187.7K$4.94MHeld
SILVERCREST ASSET MANAGEMENT GROUP LLC181.8K$4.79MHeld
WELLINGTON MANAGEMENT GROUP LLP181.7K$4.78MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP176.1K$4.64MHeld
FEDERATED HERMES, INC.152.7K$4.02MHeld
KENNEDY CAPITAL MANAGEMENT LLC145.5K$3.83MHeld
Bank of New York Mellon Corp128.1K$3.37MHeld
JUPITER ASSET MANAGEMENT LTD125.5K$3.3MHeld
AMERIPRISE FINANCIAL INC113.1K$2.98MHeld
CITIGROUP INC111.2K$2.93MHeld
Opaleye Management Inc.108.9K$2.87MHeld
PLATINUM INVESTMENT MANAGEMENT LTD105.2K$2.77MHeld
Trexquant Investment LP101.3K$2.67MHeld
Soleus Capital Management, L.P.100K$2.63MHeld
Susquehanna Portfolio Strategies, LLC99.8K$2.63MHeld
SCHRODER INVESTMENT MANAGEMENT GROUP97.9K$2.6MHeld
XTX Topco Ltd93.5K$2.46MHeld
Icahn Capital91.1K$2.4MHeld
BANK OF AMERICA CORP /DE/89.5K$2.36M$696.8KAdded$1.07M
KORNITZER CAPITAL MANAGEMENT INC /KS88.8K$2.34MHeld
ACUTA CAPITAL PARTNERS, LLC80.1K$2.11MHeld
BARCLAYS PLC80K$2.11M$739.7KCut−$1.29M
PANAGORA ASSET MANAGEMENT INC78.3K$2.06MHeld
NEOS Investment Management LLC77.1K$2.03MHeld
TEMA ETFS LLC76K$2MHeld
STIFEL FINANCIAL CORP75.8K$2MHeld
STATE OF WISCONSIN INVESTMENT BOARD75.6K$1.99MHeld
RHUMBLINE ADVISERS75.5K$1.99MHeld
Man Group plc75.3K$1.98MHeld
CREDIT AGRICOLE S A75K$1.97MHeld
Pictet Asset Management Holding SA73.6K$1.97MHeld
Swiss National Bank74.2K$1.95MHeld
JANE STREET GROUP, LLC70.4K$1.85MHeld
Fisher Asset Management, LLC68.2K$1.8MHeld
FRANKLIN RESOURCES INC59K$1.55MHeld
AMERICAN CENTURY COMPANIES INC58.8K$1.55MHeld
Russell Investments Group, Ltd.58.4K$1.54MHeld
ROYAL BANK OF CANADA55.1K$1.45MHeld
ALLIANCEBERNSTEIN L.P.50K$1.32MHeld
Dana Investment Advisors, Inc.48.3K$1.27MHeld
SIMPLEX TRADING, LLC48K$1.26MHeld
MACKENZIE FINANCIAL CORP45.5K$1.2MHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC43.1K$1.13MHeld
VICTORY CAPITAL MANAGEMENT INC42.9K$1.13MHeld
ENVESTNET ASSET MANAGEMENT INC40.8K$1.07MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM37.8K$994.2KHeld
JPMORGAN CHASE & CO35K$921.8KHeld
TANG CAPITAL MANAGEMENT LLC34.6K$911.8KHeld
Campbell & CO Investment Adviser LLC33.6K$884.4KHeld
Universal- Beteiligungs- und Servicegesellschaft mbH32.8K$864KHeld
SBI Okasan Asset Management Co.Ltd.32K$855.7KHeld
Legal & General Group Plc32.1K$846.5KHeld
TWO SIGMA ADVISERS, LP31.4K$827.2KHeld
TUDOR INVESTMENT CORP ET AL30.3K$798.4K$280.5KAdded$156.5K
JOURNEY STRATEGIC WEALTH LLC29.1K$764.9KHeld
Quantinno Capital Management LP28.9K$760.5KHeld
MetLife Investment Management, LLC28.6K$753.8KHeld
Creative Planning28.3K$745KHeld
MASSACHUSETTS FINANCIAL SERVICES CO /MA/28.1K$739.4KHeld
VIRGINIA RETIREMENT SYSTEMS ET Al27.9K$735.5KHeld
STRS OHIO26.6K$700.4KHeld
COMMONWEALTH EQUITY SERVICES, LLC26.1K$687.1KHeld
RITHOLTZ WEALTH MANAGEMENT24.3K$640.8KHeld
Aquatic Capital Management LLC24.1K$634.6KHeld
Brevan Howard Capital Management LP23.3K$614.4KHeld
BNP PARIBAS FINANCIAL MARKETS23.3K$613.4KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.23.1K$608.5KHeld
Quadrature Capital Ltd23K$606KHeld
Y-Intercept (Hong Kong) Ltd22.6K$596.2KHeld
Seven Fleet Capital Management LP20.6K$542.4KHeld
Zurcher Kantonalbank (Zurich Cantonalbank)20.4K$537.7KHeld
INTECH INVESTMENT MANAGEMENT LLC20.3K$535.3KHeld
PSP Research LLC20.3K$534.8KHeld
Duncan Williams Asset Management, LLC22.1K$510.6KHeld
Vinva Investment Management Ltd12.2K$483.9KHeld
CreativeOne Wealth, LLC18.3K$480.9KHeld
JANUS HENDERSON GROUP PLC18.2K$479.1KHeld
HSBC HOLDINGS PLC17.9K$476.2KHeld
BANK OF MONTREAL /CAN/17.5K$459.9KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE17.4K$459KHeld
NEW YORK STATE COMMON RETIREMENT FUND17.4K$457.4KHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM15.3K$403.9KHeld
AGF MANAGEMENT LTD15K$394.9KHeld
LAZARD ASSET MANAGEMENT LLC13.8K$362.7KHeld
Police & Firemen's Retirement System of New Jersey13.7K$360.8KHeld
Walleye Capital LLC13.7K$359.9KHeld
Walleye Trading LLC13.3K$348.9KHeld
PRUDENTIAL FINANCIAL INC12.8K$335.8KHeld
ProShare Advisors LLC12.4K$326.2KHeld
China Universal Asset Management Co., Ltd.12.2K$321.1KHeld
Northwest & Ethical Investments L.P.12K$319.6KHeld
WINTON GROUP Ltd11.2K$294.4KHeld
Ewing Morris & Co. Investment Partners Ltd.10.8K$289.2KHeld
JAMES INVESTMENT RESEARCH, INC.10.9K$287.7KHeld
State of Wyoming10.9K$286.3KHeld
Virtus Investment Advisers, LLC10.4K$274.9KHeld
ARIZONA STATE RETIREMENT SYSTEM10.4K$273.7KHeld
Abacus Wealth Partners, LLC10.2K$269.1KHeld
Baader Bank Aktiengesellschaft10K$263.5KHeld
VARCOV Co.9.82K$258.5KHeld
VOYA INVESTMENT MANAGEMENT LLC9.23K$243.1KHeld
GROUP ONE TRADING LLC8.84K$232.8KHeld
AlphaQuest LLC8.31K$218.9KHeld
Brooklyn Investment Group8.02K$214.5KHeld
Cresset Asset Management, LLC8.12K$213.8KNew
KLP KAPITALFORVALTNING AS8K$210.6KHeld
Apollon Wealth Management, LLC7.88K$207.3KHeld
Allspring Global Investments Holdings, LLC7.71K$205.2KHeld
Persistent Asset Partners Ltd7.35K$193.4KNew
Ameritas Investment Partners, Inc.4.16K$109.6KHeld
Mirae Asset Global Investments Co., Ltd.3.64K$95.8KHeld
CFG Wealth Management Services, Inc.3.08K$81.1KHeld
OSAIC HOLDINGS, INC.2.51K$66.1KHeld
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1.82M$48KHeld
GF FUND MANAGEMENT CO. LTD.1.47K$38.7KHeld
Caitong International Asset Management Co., Ltd1.4K$36.8KHeld
Tower Research Capital LLC (TRC)1.35K$35.6KHeld
Optiver Holding B.V.1.15K$30.3KHeld
GAMMA Investing LLC985$25.9KHeld
NISA INVESTMENT ADVISORS, LLC968$25.5KHeld
PNC Financial Services Group, Inc.781$20.6KHeld
NBC SECURITIES, INC.623$16.4KHeld
THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.610$16.1KHeld
Federation des caisses Desjardins du Quebec570$15KHeld
NATIONAL BANK OF CANADA /FI/545$14.3KHeld
UMB Bank, n.a.466$12.3KHeld
ALGERT GLOBAL LLC423.6K$11.2KHeld
HUNTINGTON NATIONAL BANK364$9.58KHeld
Sterling Capital Management LLC331$8.71KHeld
Parallel Advisors, LLC329$8.66KHeld
TD Waterhouse Canada Inc.311$8.19KHeld
US BANCORP \DE\287$7.56KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC387$7.4KHeld
Farther Finance Advisors, LLC279$7.35KHeld
Truvestments Capital LLC231$6.08KHeld
HighMark Wealth Management LLC230$6.05KHeld
COMERICA BANK211$5.56KHeld
EverSource Wealth Advisors, LLC182$4.79KHeld
Arax Advisory Partners169$4.45KHeld
Allworth Financial LP146$3.85K$1.29KAdded$1.45K
HRT FINANCIAL LP121.1K$3.19KHeld
IFP Advisors, Inc96$2.53K$888Added$888
Quarry LP90$2.37KHeld
Kilter Group LLC66$1.74K$610Added$610
Bare Financial Services, Inc64$1.69KHeld
Penserra Capital Management LLC60.1K$1.58KHeld
True Wealth Design, LLC58$1.53KHeld
ROTHSCHILD INVESTMENT LLC56$1.47KHeld
Steward Partners Investment Advisory, LLC53$1.4KHeld
Physician Wealth Advisors, Inc.51$1.34KHeld
North Growth Management Ltd.45K$1.18KHeld
SIGNATUREFD, LLC42$1.11KHeld
PRICE T ROWE ASSOCIATES INC /MD/28.8K$758Held
Sunbelt Securities, Inc.27$711Held
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC25$658Held
JONES FINANCIAL COMPANIES LLLP20$527Held
CoreCap Advisors, LLC18$474Held
SG Americas Securities, LLC17.6K$462Held
Smartleaf Asset Management LLC12$318Held
Essential Partners LLC12$316$111Added$111
Janney Montgomery Scott LLC11.1K$291Held
SBI Securities Co., Ltd.11$290Held
CWM, LLC6.97K$184Held
Larson Financial Group LLC6$158Held
Cygnus Capital Advisors, LLC6K$158Held
MAI Capital Management5$132Held
AMALGAMATED BANK1.57K$41Held
DekaBank Deutsche Girozentrale3.84K$35Held
Daiwa Securities Group Inc.186$5Held
Covestor Ltd54$1Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.