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

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.