ZymeworksZYME

13F holders, Q1 2026 (March 31)
212holders +2
34new positions
34sold out
5famous investors
$25.04avg. 13F price*

At the end of Q1 2026, 212 institutions reported holding Zymeworks Inc. (ZYME) in their 13F filings, up 2 from Q4 2025. 34 opened new positions and 34 sold out. The largest holders were EcoR1 Capital, LLC ($575.2M), Rubric Capital Management LP ($175.3M) and BlackRock, Inc. ($114.0M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).

Company
Zymeworks Inc.
CUSIP
98985Y108
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 171Q1 2024Q2 2024: 164Q2 2024Q3 2024: 163Q3 2024Q4 2024: 173Q4 2024Q1 2025: 185Q1 2025Q2 2025: 182Q2 2025Q3 2025: 184Q3 2025Q4 2025: 210Q4 2025Q1 2026: 212Q1 2026Q2 2026: 202Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions34$46.3M
Exits34$139.3M

All 13F filers, Q4 2025 → Q1 2026: 6,264,583 shares bought and 7,398,077 shares sold, net −1,133,494 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 212 holders

EcoR1 Capital, LLC 24.58% No change 22,970,388 $575.2M
Rubric Capital Management LP 2.15% Add +21.7% 7,000,000 $175.3M
BlackRock, Inc. 0.00% Reduce -0.9% 4,553,888 $114.0M
BVF Inc. 2.98% Reduce -5.2% 3,734,142 $93.5M
Perceptive Advisors LLC 1.74% Add +7.6% 3,510,078 $87.9M
Morgan Stanley 0.00% Reduce -4.3% 2,480,568 $62.1M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.06% Add +4.7% 1,908,039 $47.8M
Vanguard Capital Management LLC 0.00% — 1,705,580 $42.7M
Citadel Advisors 0.02% Add +350.4% 1,150,018 $28.8M
Dimensional Fund Advisors LP 0.01% Reduce -1.7% 1,139,135 $28.5M
Nextech Invest Ltd. 1.96% No change 1,113,946 $27.9M
State Street Corp. 0.00% Reduce -2.5% 1,011,777 $25.3M
Capricorn Fund Managers Ltd 3.93% Reduce -1.5% 1,007,210 $25.2M
Deutsche Bank AG 0.01% Reduce -42.3% 921,250 $23.1M
Arrowstreet Capital, Limited Partnership 0.01% Add +6.3% 743,898 $18.6M
Assenagon Asset Management S.A. 0.03% Add +12.4% 727,986 $18.2M
FMR LLC 0.00% Add +19.1% 667,153 $16.7M
Geode Capital Management, LLC 0.00% Add +1.9% 659,940 $16.5M
Nuveen, LLC 0.00% Add +0.5% 651,662 $16.3M
Goldman Sachs Group Inc. 0.00% Add +42.7% 599,486 $15.0M
MPM Bioimpact LLC 1.09% New 565,249 $14.2M
Prosight Management, LP 2.21% Add +1.6% 539,049 $13.5M
Qube Research & Technologies Ltd 0.02% Add +7.9% 511,937 $12.8M
Vanguard Portfolio Management LLC 0.00% — 499,875 $12.5M
Redmile Group, LLC 0.82% No change 491,654 $12.3M
Hillsdale Investment Management Inc. 0.24% Add +45.3% 345,622 $8.7M
SummitTX Capital, L.P. 0.26% Add +43.3% 321,427 $8.0M
Northern Trust Corp. 0.00% Add +4.0% 320,210 $8.0M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -0.3% 319,385 $8.0M
Royce & Associates LP 0.07% New 299,202 $7.5M
Picton Mahoney Asset Management 0.07% Add +4.9% 256,690 $6.4M
Granahan Investment Management, LLC 0.30% Add +11.8% 250,773 $6.3M
HRT Financial LP 0.01% Add +96.5% 237,889 $6.0M
Bank of America Corp. 0.00% Add +164.5% 236,754 $5.9M
D. E. Shaw & Co. 0.01% Add +5.3% 235,621 $5.9M
Jane Street Group, LLC 0.01% Add +222.2% 226,967 $5.7M
Panagora Asset Management Inc. 0.02% Add +164.1% 206,854 $5.2M
Man Group plc 0.01% Add +152.1% 189,890 $4.8M
Wells Fargo & Company 0.00% Reduce -9.0% 189,636 $4.7M
Charles Schwab Investment Management Inc. 0.00% Reduce -16.2% 185,124 $4.6M
Federated Hermes, Inc. 0.01% Add +19.5% 182,410 $4.6M
Raymond James Financial Inc. 0.00% Reduce -6.0% 176,411 $4.4M
UBS Group AG 0.00% Reduce -38.4% 171,779 $4.3M
Silvercrest Asset Management Group LLC 0.03% Reduce -10.0% 163,649 $4.1M
Kennedy Capital Management LLC 0.08% Add +1.9% 148,226 $3.7M
XTX Topco Ltd 0.06% Add +53.9% 143,882 $3.6M
Diadema Partners LP 1.47% New 142,132 $3.6M
Wellington Management Group LLP 0.00% Reduce -23.7% 138,690 $3.5M
Invesco Ltd. 0.00% Reduce -51.2% 125,630 $3.1M
Bank of New York Mellon Corp 0.00% Reduce -3.1% 124,105 $3.1M
Citigroup Inc. 0.00% Add +2.8% 114,327 $2.9M
JPMorgan Chase & Co. 0.00% Add +225.8% 114,072 $2.8M
Platinum Investment Management Ltd. 0.66% No change 105,184 $2.6M
Tema ETFs LLC 0.18% Add +38.1% 104,931 $2.6M
Tidal Investments LLC 0.01% New 104,931 $2.6M
Fisher Asset Management 0.00% Add +48.7% 101,439 $2.5M
Susquehanna Portfolio Strategies, LLC 0.04% No change 99,795 $2.5M
AQR Capital Management 0.00% Reduce -0.5% 90,669 $2.3M
Kornitzer Capital Management Inc. 0.05% No change 88,800 $2.2M
Vanguard Fiduciary Trust Co. 0.00% — 84,403 $2.1M
Squarepoint Ops LLC 0.00% New 83,146 $2.1M
Mackenzie Financial Corp. 0.00% Add +82.0% 82,726 $2.1M
Verdad Advisers, LP 2.33% New 82,698 $2.1M
Principal Financial Group Inc. 0.00% New 78,547 $2.0M
Franklin Resources Inc. 0.00% Add +31.6% 77,659 $1.9M
Stifel Financial Corp. 0.00% Add +1.2% 76,756 $1.9M
Rhumbline Advisers 0.00% Reduce -0.1% 75,399 $1.9M
Credit Agricole S A 0.01% No change 75,000 $1.9M
Ameriprise Financial Inc. 0.00% Reduce -34.4% 74,222 $1.9M
Swiss National Bank 0.00% No change 74,200 $1.9M
American Century Companies Inc. 0.00% Add +20.4% 70,851 $1.8M
State of Wisconsin Investment Board 0.00% Reduce -12.5% 66,106 $1.7M
Alliancebernstein L.P. 0.00% Add +11.7% 55,896 $1.5M
Dana Investment Advisors, Inc. 0.04% Add +16.1% 56,107 $1.4M
Campbell & CO Investment Adviser LLC 0.08% Add +63.4% 54,883 $1.4M
Russell Investments Group, Ltd. 0.00% Reduce -18.7% 47,450 $1.2M
Royal Bank of Canada 0.00% Reduce -14.0% 47,360 $1.2M
Segall Bryant & Hamill, LLC 0.02% New 45,726 $1.1M
North Growth Management Ltd. 0.17% Add +2.2% 46,000 $1.1M
Jacobs Levy Equity Management, Inc. 0.00% New 42,786 $1.1M
Victory Capital Management Inc. 0.00% Reduce -1.2% 42,404 $1.1M
Envestnet Asset Management Inc. 0.00% Reduce -1.0% 40,419 $1.0M
Manatuck Hill Partners, LLC 0.33% New 40,000 $1.0M
Los Angeles Capital Management LLC 0.00% Add +10171.3% 39,750 $995K
Quantinno Capital Management LP 0.00% Add +37.2% 39,640 $993K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +92.7% 39,355 $985K
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 37,919 $949K
HSBC Holdings PLC 0.00% Add +111.4% 37,777 $940K
California State Teachers Retirement System 0.00% Reduce -1.0% 37,389 $936K
O'shaughnessy Asset Management, LLC 0.00% Reduce -13.8% 37,129 $930K
Tudor Investment Corporation 0.01% Add +21.6% 36,875 $923K
HighTower Advisors, LLC 0.00% New 36,262 $908K
Persistent Asset Partners Ltd 0.35% Add +389.2% 35,935 $900K
T. Rowe Price Associates Inc. 0.00% Add +23.3% 35,487 $889K
HighVista Strategies LLC 0.24% New 34,085 $853K
Vinva Investment Management Ltd 0.01% Add +97.2% 24,090 $851K
Martingale Asset Management L P 0.02% New 32,764 $820K
Creative Planning 0.00% Add +14.5% 32,394 $811K
Marshall Wace, LLP 0.00% New 32,223 $807K
Manufacturers Life Insurance Company, The 0.00% Add +81.2% 31,592 $791K
Engineers Gate Manager LP 0.01% New 31,548 $790K
SBI Okasan Asset Management Co.Ltd. 0.03% No change 32,000 $775K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Reduce -7.3% 30,432 $762K
STRS Ohio 0.00% Add +13.2% 30,100 $754K
MetLife Investment Management, LLC 0.00% Add +3.6% 29,653 $743K
Journey Strategic Wealth LLC 0.02% No change 29,050 $727K
BNP Paribas Financial Markets 0.00% Add +20.7% 28,119 $704K
Oxford Asset Management LLP 0.28% New 27,812 $696K
Schroder Investment Management Group 0.00% Reduce -71.0% 28,349 $686K
ExodusPoint Capital Management, LP 0.01% New 27,374 $685K
Massachusetts Financial Services Co. 0.00% Reduce -2.6% 27,354 $685K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 26,279 $658K
Legal & General Group Plc 0.00% Reduce -18.5% 26,209 $656K
Commonwealth Equity Services, LLC 0.00% Reduce -0.3% 26,031 $652K
Susquehanna International Group, LLP 0.00% Reduce -86.1% 24,421 $612K
Ritholtz Wealth Management 0.01% Reduce -0.4% 24,243 $607K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +1.1% 23,373 $585K
Headlands Technologies LLC 0.07% New 22,845 $572K
Duncan Williams Asset Management, LLC 0.15% No change 22,095 $553K
Prudential Financial Inc. 0.00% Add +72.3% 21,970 $550K
Gsa Capital Partners LLP 0.03% New 20,511 $514K
Jackson Creek Investment Advisors LLC 0.14% New 18,695 $468K
Barclays PLC 0.00% Reduce -77.0% 18,374 $460K
Janus Henderson Group PLC 0.00% No change 18,200 $456K
Bank of Montreal 0.00% No change 17,468 $437K
New York State Common Retirement Fund 0.00% No change 17,371 $435K
State of Wyoming 0.05% Add +57.7% 17,148 $429K
Quadrature Capital Ltd 0.01% Reduce -27.3% 16,735 $419K
State Board of Administration of Florida Retirement System 0.00% No change 15,340 $384K
Agf Management Ltd. 0.00% No change 15,000 $376K
Amundi 0.00% New 14,084 $353K
Police & Firemen's Retirement System of New Jersey 0.00% No change 13,702 $343K
China Universal Asset Management Co., Ltd. 0.03% Add +8.9% 13,280 $333K
Freestone Grove Partners LP 0.00% New 12,945 $324K
State of New Jersey Common Pension Fund D 0.00% New 12,788 $320K
Northwest & Ethical Investments L.P. 0.01% Add +1.7% 12,244 $316K
Intech Investment Management LLC 0.00% Reduce -38.3% 12,541 $314K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% Reduce -57.3% 11,935 $299K
Abacus Wealth Partners, LLC 0.03% Add +14.2% 11,669 $292K
Janney Montgomery Scott LLC 0.00% Add +3.8% 11,487 $288K
James Investment Research, Inc. 0.03% No change 10,925 $274K
Ewing Morris & Co. Investment Partners Ltd. 0.12% No change 10,850 $272K
Virtus Investment Advisers, LLC 0.07% Add +2.5% 10,702 $268K
Lazard Asset Management LLC 0.00% Reduce -23.0% 10,602 $265K
ProShare Advisors LLC 0.00% Reduce -14.6% 10,574 $265K
SG Americas Securities, LLC 0.00% Reduce -40.6% 10,429 $261K
Arizona State Retirement System 0.00% Reduce -1.1% 10,277 $257K
PSP Research LLC 0.18% Reduce -50.8% 10,000 $250K
Soleus Capital Management, L.P. 0.01% Reduce -90.0% 10,000 $250K
Pictet Asset Management Holding SA 0.00% Reduce -87.4% 9,256 $232K
Voya Investment Management LLC 0.00% Reduce -2.6% 8,993 $225K
Allspring Global Investments Holdings, LLC 0.00% Add +10.4% 8,507 $221K
Vanguard Investments Australia, Ltd. 0.00% — 8,803 $220K
WINTON GROUP Ltd 0.01% Reduce -24.9% 8,400 $210K
Cygnus Capital Advisors, LLC 0.14% Add +36.7% 8,197 $205K
KLP Kapitalforvaltning As 0.00% No change 8,000 $200K
Cwm, LLC 0.00% Reduce -0.3% 6,955 $174K
Vanguard Global Advisers, LLC 0.00% — 5,459 $137K
Tower Research Capital LLC (TRC) 0.00% Add +259.8% 4,868 $122K
Ameritas Investment Partners, Inc. 0.00% No change 4,164 $104K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +7.3% 3,903 $98K
DekaBank Deutsche Girozentrale 0.00% No change 3,843 $96K
GF Fund Management Co. LTD. 0.00% Add +14.3% 1,681 $42K
Global Wealth Strategies & Associates 0.01% New 1,635 $41K
Sofinnova Investments, Inc. 0.00% New 1,610 $40K
TD Waterhouse Canada Inc. 0.00% Add +362.7% 1,439 $37K
Simplex Trading, LLC 0.00% Reduce -97.2% 1,336 $33K
Aviso Financial Inc. 0.00% New 1,146 $29K
GAMMA Investing LLC 0.00% Add +11.4% 1,097 $27K
PNC Financial Services Group, Inc. 0.00% Add +26.4% 987 $25K
Nisa Investment Advisors, LLC 0.00% Add +0.3% 971 $24K
Steward Partners Investment Advisory, LLC 0.00% Add +1732.1% 971 $24K
Optiver Holding B.V. 0.00% Reduce -16.6% 958 $24K
Osaic Holdings, Inc. 0.00% Reduce -64.9% 882 $22K
Lanark Financial, Inc. 0.00% No change 623 $16K
Federation des caisses Desjardins du Quebec 0.00% No change 570 $14K
National Bank of Canada 0.00% Add +1.6% 554 $14K
UMB Bank, n.a. 0.00% No change 466 $12K
Jones Financial Companies LLLP 0.00% Add +2225.0% 465 $11K
US Bancorp \de 0.00% Add +22.6% 352 $9K
Parallel Advisors, LLC 0.00% Add +7.0% 352 $9K
Huntington National Bank 0.00% Reduce -5.8% 343 $9K
Sterling Capital Management LLC 0.00% Reduce -2.1% 324 $8K
EverSource Wealth Advisors, LLC 0.00% Add +19.8% 218 $5K
Caitong International Asset Management Co., Ltd 0.00% Reduce -84.6% 216 $5K
Allworth Financial LP 0.00% Reduce -25.3% 109 $3K
IFP Advisors, Inc 0.00% No change 96 $2K
HighMark Wealth Management LLC 0.00% Reduce -65.2% 80 $2K
Rothschild Investment LLC 0.00% Add +42.9% 80 $2K
Walleye Capital LLC 0.00% Reduce -99.4% 78 $2K
Signaturefd, LLC 0.00% Add +83.3% 77 $2K
Fifth Third Bancorp 0.00% New 67 $2K
Kilter Group LLC 0.00% No change 66 $2K
Bare Financial Services, Inc 0.00% No change 64 $2K
Rockefeller Capital Management L.P. 0.00% New 61 $2K
Farther Finance Advisors, LLC 0.00% Reduce -79.6% 57 $1K
True Wealth Design, LLC 0.00% No change 58 $1K
Physician Wealth Advisors, Inc. 0.00% No change 51 $1K
Versant Capital Management, Inc 0.00% New 45 $1K
Covestor Ltd 0.00% Reduce -48.1% 28 $1K
Sunbelt Securities, Inc. 0.00% No change 27 $676
International Assets Investment Management, LLC 0.00% No change 25 $649
Twin Peaks Wealth Advisors, LLC 0.00% New 20 $501
Aster Capital Management (DIFC) Ltd 0.00% New 42 $500
CoreCap Advisors, LLC 0.00% No change 18 $451
Essential Partners LLC 0.00% No change 12 $300
Root Financial Partners, LLC 0.00% New 12 $300
Smartleaf Asset Management LLC 0.00% No change 12 $291
SBI Securities Co., Ltd. 0.00% No change 11 $275
MAI Capital Management 0.00% Add +40.0% 7 $176
Larson Financial Group LLC 0.00% No change 6 $150
Hughes Financial Services, LLC 0.00% New 4 $100

"% of holder's portfolio" is ZYME's weight in each manager's 13F, not the share of Zymeworks Inc. the manager owns.