MIDDLETOWN, DE
ZYMEWORKS INC.ZYME— Latest position per institution from SEC 13F filings
15
Institutional holders
67.01M
Total shares held
1.62B
Estimated value
3.35M
Avg. position size
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
22.97M
Value
600.45M
Filed
Jun 30, 2026
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
7M
Value
182.98M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
4.25M
Value
111.12M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.19M
Value
35.69M
Filed
Jun 30, 2024
PERCEPTIVE ADVISORS LLC
CIK 1224962
Shares
4.18M
Value
109.34M
Filed
Jun 30, 2026
BVF INC/IL
CIK 1056807
Shares
3.65M
Value
95.39M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.33M
Value
61.32M
Filed
Dec 31, 2025
MORGAN STANLEY
CIK 895421
Shares
2.23M
Value
58.33M
Filed
Jun 30, 2026
CREDIT SUISSE AG/
CIK 824468
Shares
1.90M
Value
19.94M
Filed
Mar 31, 2024
BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.
CIK 1520354
Shares
1.78M
Value
46.56M
Filed
Jun 30, 2026
SIREN, L.L.C.
CIK 2005245
Shares
1.68M
Value
44.24M
Filed
Dec 31, 2025
BLACKSTONE INC.
CIK 1393818
Shares
1.62M
Value
27.61M
Filed
Sep 30, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.56M
Value
40.75M
Filed
Jun 30, 2026
ASSENAGON ASSET MANAGEMENT S.A.
CIK 1546007
Shares
1.51M
Value
39.95M
Filed
Sep 30, 2026
NEXTECH INVEST LTD.
CIK 1595430
Shares
1.11M
Value
29.12M
Filed
Jun 30, 2026
NEXTECH INVEST LTD.
CIK 1911010
Shares
1.11M
Value
16.31M
Filed
Dec 31, 2024
STATE STREET CORP
CIK 93751
Shares
1.09M
Value
28.45M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
994.96K
Value
26M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
966.34K
Value
25.26M
Filed
Jun 30, 2026
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
CIK 921739
Shares
889.80K
Value
23.26M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | ECOR1 CAPITAL, LLC | 1587114 | 22.97M | 600.45M | Jun 30, 2026 |
| 2 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 7M | 182.98M | Jun 30, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 4.25M | 111.12M | Jun 30, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 4.19M | 35.69M | Jun 30, 2024 |
| 5 | PERCEPTIVE ADVISORS LLC | 1224962 | 4.18M | 109.34M | Jun 30, 2026 |
| 6 | BVF INC/IL | 1056807 | 3.65M | 95.39M | Jun 30, 2026 |
| 7 | VANGUARD GROUP INC | 102909 | 2.33M | 61.32M | Dec 31, 2025 |
| 8 | MORGAN STANLEY | 895421 | 2.23M | 58.33M | Jun 30, 2026 |
| 9 | CREDIT SUISSE AG/ | 824468 | 1.90M | 19.94M | Mar 31, 2024 |
| 10 | BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | 1520354 | 1.78M | 46.56M | Jun 30, 2026 |
| 11 | SIREN, L.L.C. | 2005245 | 1.68M | 44.24M | Dec 31, 2025 |
| 12 | BLACKSTONE INC. | 1393818 | 1.62M | 27.61M | Sep 30, 2025 |
| 13 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.56M | 40.75M | Jun 30, 2026 |
| 14 | ASSENAGON ASSET MANAGEMENT S.A. | 1546007 | 1.51M | 39.95M | Sep 30, 2026 |
| 15 | NEXTECH INVEST LTD. | 1595430 | 1.11M | 29.12M | Jun 30, 2026 |
| 16 | NEXTECH INVEST LTD. | 1911010 | 1.11M | 16.31M | Dec 31, 2024 |
| 17 | STATE STREET CORP | 93751 | 1.09M | 28.45M | Jun 30, 2026 |
| 18 | DIMENSIONAL FUND ADVISORS LP | 354204 | 994.96K | 26M | Jun 30, 2026 |
| 19 | CITADEL ADVISORS LLC | 1423053 | 966.34K | 25.26M | Jun 30, 2026 |
| 20 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 921739 | 889.80K | 23.26M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.