ZymeworksZYME

13F holders, Q2 2026 (June 30)
202holders −10
22new positions
30sold out
5famous investors
$26.13avg. 13F price*

At the end of Q2 2026, 202 institutions reported holding Zymeworks Inc. (ZYME) in their 13F filings, down 10 from Q1 2026. 22 opened new positions and 30 sold out. The largest holders were EcoR1 Capital, LLC ($600.4M), Rubric Capital Management LP ($183.0M) and BlackRock, Inc. ($111.1M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'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 Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions22$41.8M
Exits30$37.0M

All 13F filers, Q1 2026 → Q2 2026: 4,153,408 shares bought and 6,049,831 shares sold, net −1,896,423 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 202 holders

EcoR1 Capital, LLC 29.77% No change 22,970,388 $600.4M
Rubric Capital Management LP 1.68% No change 7,000,000 $183.0M
BlackRock, Inc. 0.00% Reduce -6.7% 4,251,030 $111.1M
Perceptive Advisors LLC 1.70% Add +19.2% 4,182,953 $109.3M
BVF Inc. 2.44% Reduce -2.3% 3,649,142 $95.4M
Morgan Stanley 0.00% Reduce -10.1% 2,231,260 $58.3M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.05% Reduce -6.7% 1,781,116 $46.6M
Vanguard Capital Management LLC 0.00% Reduce -8.6% 1,558,998 $40.8M
Assenagon Asset Management S.A. 0.04% Add +72.0% 1,252,027 $32.7M
Nextech Invest Ltd. 1.38% No change 1,113,946 $29.1M
State Street Corp. 0.00% Add +7.5% 1,088,216 $28.4M
Dimensional Fund Advisors LP 0.00% Reduce -12.7% 994,955 $26.0M
Citadel Advisors 0.01% Reduce -20.5% 914,136 $23.9M
Nomura Asset Management International Inc. 0.04% New 889,802 $23.3M
FMR LLC 0.00% Add +5.3% 702,568 $18.4M
Geode Capital Management, LLC 0.00% Add +4.9% 692,410 $18.1M
Prosight Management, LP 3.04% Add +25.1% 674,434 $17.6M
Qube Research & Technologies Ltd 0.02% Add +15.9% 593,590 $15.5M
Vanguard Portfolio Management LLC 0.00% Add +2.0% 510,032 $13.3M
Redmile Group, LLC 0.86% No change 491,654 $12.9M
Capricorn Fund Managers Ltd 1.02% Reduce -51.7% 486,529 $12.7M
Goldman Sachs Group Inc. 0.00% Reduce -21.5% 470,822 $12.3M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -43.7% 418,497 $10.9M
Deutsche Bank AG 0.00% Reduce -56.9% 397,190 $10.4M
Hillsdale Investment Management Inc. 0.23% Add +10.8% 382,922 $10.0M
First Trust Advisors LP 0.01% New 340,363 $8.9M
Granahan Investment Management, LLC 0.31% Add +34.0% 336,157 $8.8M
Northern Trust Corp. 0.00% Add +0.3% 321,073 $8.4M
Pictet Asset Management Holding SA 0.01% Add +3229.6% 308,187 $7.4M
Picton Mahoney Asset Management 0.07% Add +5.7% 271,343 $7.1M
Silvercrest Asset Management Group LLC 0.04% Add +36.7% 223,766 $5.8M
Bank of America Corp. 0.00% Reduce -7.5% 219,071 $5.7M
Wells Fargo & Company 0.00% Add +14.5% 217,199 $5.7M
SummitTX Capital, L.P. 0.15% Reduce -34.4% 210,802 $5.5M
Man Group plc 0.01% Add +11.0% 210,779 $5.5M
Federated Hermes, Inc. 0.01% Add +3.1% 187,995 $4.9M
Raymond James Financial Inc. 0.00% Reduce -5.7% 166,416 $4.4M
State of Wisconsin Investment Board 0.01% Add +135.3% 155,579 $4.1M
Charles Schwab Investment Management Inc. 0.00% Reduce -17.7% 152,416 $4.0M
Kennedy Capital Management LLC 0.07% Reduce -1.9% 145,386 $3.8M
D. E. Shaw & Co. 0.00% Reduce -38.5% 144,807 $3.8M
Diadema Partners LP 1.40% No change 142,132 $3.7M
Citigroup Inc. 0.00% Add +15.0% 131,441 $3.4M
Bank of New York Mellon Corp 0.00% Add +5.6% 131,106 $3.4M
XTX Topco Ltd 0.04% Reduce -12.5% 125,877 $3.3M
Nuveen, LLC 0.00% Reduce -81.7% 119,389 $3.1M
Panagora Asset Management Inc. 0.01% Reduce -42.7% 118,603 $3.1M
UBS Group AG 0.00% Reduce -33.0% 115,095 $3.0M
Invesco Ltd. 0.00% Reduce -10.7% 112,212 $2.9M
AQR Capital Management 0.00% Add +22.7% 111,282 $2.9M
Wellington Management Group LLP 0.00% Reduce -20.7% 110,014 $2.9M
Tema ETFs LLC 0.09% Add +0.7% 105,615 $2.8M
Tidal Investments LLC 0.01% Add +0.7% 105,615 $2.8M
Platinum Investment Management Ltd. 0.68% No change 105,184 $2.7M
Manatuck Hill Partners, LLC 0.87% Add +150.0% 100,000 $2.6M
JPMorgan Chase & Co. 0.00% Reduce -6.7% 106,398 $2.6M
Kornitzer Capital Management Inc. 0.05% No change 88,800 $2.3M
Mackenzie Financial Corp. 0.00% Add +6.1% 87,745 $2.3M
Principal Financial Group Inc. 0.00% Add +8.2% 84,990 $2.2M
Y-Intercept (Hong Kong) Ltd 0.04% New 83,455 $2.2M
LMR Partners LLP 0.02% New 82,500 $2.2M
Ameriprise Financial Inc. 0.00% Add +10.8% 82,264 $2.2M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -74.5% 81,359 $2.1M
Vanguard Fiduciary Trust Co. 0.00% Reduce -5.1% 80,120 $2.1M
Stifel Financial Corp. 0.00% Add +0.6% 77,214 $2.0M
Franklin Resources Inc. 0.00% Reduce -1.5% 76,528 $2.0M
Rhumbline Advisers 0.00% Reduce -0.4% 75,066 $2.0M
Swiss National Bank 0.00% No change 74,200 $1.9M
Martingale Asset Management L P 0.05% Add +123.7% 73,282 $1.9M
Two Sigma Investments, LP 0.00% New 71,874 $1.9M
Dana Investment Advisors, Inc. 0.05% Add +27.7% 71,660 $1.9M
Credit Agricole S A 0.00% Reduce -5.3% 71,000 $1.9M
Fisher Asset Management 0.00% Reduce -30.2% 70,775 $1.9M
Segall Bryant & Hamill, LLC 0.02% Add +46.2% 66,836 $1.7M
Verdad Advisers, LP 1.67% Reduce -19.4% 66,688 $1.7M
Susquehanna Portfolio Strategies, LLC 0.03% Reduce -34.6% 65,248 $1.7M
Campbell & CO Investment Adviser LLC 0.08% Add +10.9% 60,874 $1.6M
Royal Bank of Canada 0.00% Add +18.8% 56,278 $1.5M
Alliancebernstein L.P. 0.00% No change 55,896 $1.4M
Virtus Investment Advisers, LLC 0.31% Add +374.9% 50,825 $1.3M
Envestnet Asset Management Inc. 0.00% Add +20.4% 48,675 $1.3M
Russell Investments Group, Ltd. 0.00% Add +0.9% 47,867 $1.3M
Quantinno Capital Management LP 0.00% Add +20.2% 47,642 $1.2M
North Growth Management Ltd. 0.15% No change 46,000 $1.2M
Legal & General Group Plc 0.00% Add +64.7% 43,160 $1.1M
Victory Capital Management Inc. 0.00% Add +0.3% 42,524 $1.1M
Marshall Wace, LLP 0.00% Add +27.1% 40,948 $1.1M
O'shaughnessy Asset Management, LLC 0.00% Add +6.5% 39,534 $1.0M
T. Rowe Price Associates Inc. 0.00% Add +8.4% 38,486 $1.0M
California State Teachers Retirement System 0.00% Add +0.9% 37,744 $987K
Jacobs Levy Equity Management, Inc. 0.00% Reduce -13.7% 36,922 $965K
Tudor Investment Corporation 0.00% Reduce -1.1% 36,471 $953K
HighTower Advisors, LLC 0.00% Reduce -0.5% 36,100 $944K
Persistent Asset Partners Ltd 0.30% No change 35,935 $939K
HighVista Strategies LLC 0.20% Reduce -0.2% 34,013 $889K
Commonwealth Equity Services, LLC 0.00% Add +23.1% 32,052 $838K
Manufacturers Life Insurance Company, The 0.00% Reduce -2.2% 30,886 $807K
Creative Planning 0.00% Reduce -8.2% 29,731 $777K
SBI Okasan Asset Management Co.Ltd. 0.03% No change 32,000 $771K
MetLife Investment Management, LLC 0.00% Reduce -6.0% 27,884 $729K
Massachusetts Financial Services Co. 0.00% Add +1.2% 27,670 $723K
STRS Ohio 0.00% Reduce -12.0% 26,500 $693K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% No change 26,279 $687K
Brevan Howard Capital Management LP 0.01% New 25,956 $678K
Jump Financial, LLC 0.01% New 25,608 $669K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -36.1% 25,162 $658K
Ritholtz Wealth Management 0.01% No change 24,243 $634K
BNP Paribas Financial Markets 0.00% Reduce -17.4% 23,229 $607K
Duncan Williams Asset Management, LLC 0.13% No change 22,095 $578K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -7.7% 21,578 $564K
Barclays PLC 0.00% Add +12.1% 20,603 $539K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% Add +62.8% 19,435 $508K
Simplex Trading, LLC 0.01% Add +1354.4% 19,431 $508K
BetterWealth, LLC 0.09% New 18,622 $487K
Bank of Montreal 0.00% Add +5.4% 18,416 $481K
Los Angeles Capital Management LLC 0.00% Reduce -54.0% 18,267 $477K
Jupiter Topco LLC 0.00% — 18,200 $476K
Susquehanna Fundamental Investments, LLC 0.01% New 18,185 $475K
Jane Street Group, LLC 0.00% Reduce -92.3% 17,437 $456K
New York State Common Retirement Fund 0.00% No change 17,371 $454K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Reduce -43.1% 17,310 $452K
Squarepoint Ops LLC 0.00% Reduce -80.5% 16,200 $423K
HSBC Holdings PLC 0.00% Reduce -58.7% 15,588 $421K
Vinva Investment Management Ltd 0.00% Reduce -50.3% 11,983 $420K
Jackson Creek Investment Advisors LLC 0.14% Reduce -0.3% 18,648 $409K
State Board of Administration of Florida Retirement System 0.00% No change 15,340 $401K
Agf Management Ltd. 0.00% No change 15,000 $392K
Police & Firemen's Retirement System of New Jersey 0.00% No change 13,702 $358K
Intech Investment Management LLC 0.00% Reduce -4.8% 11,935 $312K
State of New Jersey Common Pension Fund D 0.00% Reduce -6.8% 11,923 $312K
Janney Montgomery Scott LLC 0.00% Add +3.3% 11,865 $310K
China Universal Asset Management Co., Ltd. 0.02% Reduce -12.5% 11,622 $304K
James Investment Research, Inc. 0.03% No change 10,925 $286K
Ewing Morris & Co. Investment Partners Ltd. 0.15% No change 10,850 $284K
Arizona State Retirement System 0.00% Reduce -1.0% 10,175 $266K
Jain Global LLC 0.00% New 10,010 $262K
PSP Research LLC 0.14% No change 10,000 $261K
Mitsubishi UFJ Trust & Banking Corp 0.00% New 9,569 $250K
Voya Investment Management LLC 0.00% Add +3.8% 9,334 $244K
Vanguard Investments Australia, Ltd. 0.00% No change 8,803 $230K
Allspring Global Investments Holdings, LLC 0.00% Add +3.0% 8,762 $225K
ProShare Advisors LLC 0.00% Reduce -19.1% 8,557 $224K
Inceptionr LLC 0.05% New 8,313 $217K
Magnetar Financial LLC 0.00% New 8,292 $217K
KLP Kapitalforvaltning As 0.00% No change 8,000 $209K
Prudential Financial Inc. 0.00% Reduce -63.9% 7,940 $208K
SG Americas Securities, LLC 0.00% Reduce -39.4% 6,321 $165K
Vanguard Global Advisers, LLC 0.00% No change 5,459 $143K
Northwest & Ethical Investments L.P. 0.00% Reduce -62.2% 4,630 $112K
Ameritas Investment Partners, Inc. 0.00% No change 4,164 $109K
DekaBank Deutsche Girozentrale 0.00% No change 3,843 $94K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -16.3% 3,266 $85K
Arax Advisory Partners 0.00% New 2,998 $78K
State of Wyoming 0.01% Reduce -83.7% 2,792 $73K
Tower Research Capital LLC (TRC) 0.00% Reduce -51.3% 2,373 $62K
Asset Management One Co., Ltd. 0.00% New 1,659 $43K
GF Fund Management Co. LTD. 0.00% Reduce -5.7% 1,585 $41K
TD Waterhouse Canada Inc. 0.00% No change 1,439 $37K
Caitong International Asset Management Co., Ltd 0.00% Add +506.0% 1,309 $34K
Eurizon Capital SGR S.p.A. 0.00% New 1,321 $32K
GAMMA Investing LLC 0.00% Add +1.6% 1,114 $29K
Optiver Holding B.V. 0.00% Add +8.5% 1,039 $27K
Steward Partners Investment Advisory, LLC 0.00% No change 971 $25K
Nykredit A/S 0.00% — 966 $25K
Lanark Financial, Inc. 0.00% Add +54.4% 962 $25K
PNC Financial Services Group, Inc. 0.00% Reduce -9.0% 898 $23K
Osaic Holdings, Inc. 0.00% No change 882 $23K
Jones Financial Companies LLLP 0.00% Add +80.0% 837 $20K
Freestone Grove Partners LP 0.00% Reduce -95.0% 648 $17K
National Bank of Canada 0.00% Add +4.9% 581 $15K
Federation des caisses Desjardins du Quebec 0.00% No change 570 $15K
Nisa Investment Advisors, LLC 0.00% Reduce -50.5% 481 $13K
UMB Bank, n.a. 0.00% Reduce -0.4% 464 $12K
Huntington National Bank 0.00% Add +34.1% 460 $12K
Inspire Investing, LLC 0.00% New 332 $9K
Parallel Advisors, LLC 0.00% Reduce -6.5% 329 $9K
US Bancorp \de 0.00% Reduce -10.5% 315 $8K
SBI Securities Co., Ltd. 0.00% Add +2736.4% 312 $8K
Quarry LP 0.00% New 210 $5K
EverSource Wealth Advisors, LLC 0.00% Reduce -14.2% 187 $5K
Sterling Capital Management LLC 0.00% Reduce -49.1% 165 $4K
Fortitude Family Office, LLC 0.00% New 116 $3K
Allworth Financial LP 0.00% Reduce -0.9% 108 $3K
IFP Advisors, Inc 0.00% No change 96 $3K
HighMark Wealth Management LLC 0.00% No change 80 $2K
Rothschild Investment LLC 0.00% No change 80 $2K
SJS Investment Consulting Inc. 0.00% New 77 $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% No change 61 $2K
True Wealth Design, LLC 0.00% No change 58 $2K
Physician Wealth Advisors, Inc. 0.00% No change 51 $1K
Versant Capital Management, Inc 0.00% No change 45 $1K
Covestor Ltd 0.00% Add +42.9% 40 $1K
Farther Finance Advisors, LLC 0.00% Reduce -47.4% 30 $784
International Assets Investment Management, LLC 0.00% No change 25 $643
Essential Partners LLC 0.00% No change 12 $314
Smartleaf Asset Management LLC 0.00% No change 12 $289
Clearstead Advisors, LLC 0.00% New 6 $157
Larson Financial Group LLC 0.00% No change 6 $157
Silver Grove Financial Group, Inc. 0.00% New 4 $105
Hughes Financial Services, LLC 0.00% Reduce -25.0% 3 $78

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