Who owns Zymeworks Inc.?
Institutional ownership of ZYME from SEC Form 13F filings across 145 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
145
13F holders
$605.2M
value, 2026 filers
31.6%
of shares outstanding (23.2M sh)
23
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of ZYME's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.3M | $111.1M | 0.0% | 5.8% | -6.7% |
| 2 | MORGAN STANLEY | 2.2M | $58.3M | 0.0% | 3% | -10.1% |
| 3 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1.8M | $46.6M | 0.0% | 2.4% | -6.7% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | $40.8M | 0.0% | 2.1% | -54.3% |
| 5 | Assenagon Asset Management S.A. | 1.3M | $32.7M | 0.0% | 1.7% | +72.0% |
| 6 | CITADEL ADVISORS LLC | 914,136 | $23.9M | 0.0% | 1.2% | -20.5% |
| 7 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC.NEW | 889,802 | $23.3M | 0.0% | 1.2% | new |
| 8 | FMR LLC | 702,568 | $18.4M | 0.0% | 1% | +5.3% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 692,410 | $18.1M | 0.0% | 0.9% | +4.9% |
| 10 | Qube Research & Technologies Ltd | 593,590 | $15.5M | 0.0% | 0.8% | +15.9% |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | 510,032 | $13.3M | 0.0% | 0.7% | +2.0% |
| 12 | GOLDMAN SACHS GROUP INC | 470,822 | $12.3M | 0.0% | 0.6% | -21.5% |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 418,497 | $10.9M | 0.0% | 0.6% | -43.7% |
| 14 | DEUTSCHE BANK AG\ | 397,190 | $10.4M | 0.0% | 0.5% | -56.9% |
| 15 | FIRST TRUST ADVISORS LPNEW | 340,363 | $8.9M | 0.0% | 0.5% | new |
| 16 | NORTHERN TRUST CORP | 321,073 | $8.4M | 0.0% | 0.4% | +0.3% |
| 17 | Pictet Asset Management Holding SA | 308,187 | $7.4M | 0.0% | 0.4% | +3229.6% |
| 18 | PICTON MAHONEY ASSET MANAGEMENT | 271,343 | $7.1M | 0.1% | 0.4% | +5.7% |
| 19 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 223,766 | $5.8M | 0.0% | 0.3% | +36.7% |
| 20 | BANK OF AMERICA CORP /DE/ | 219,071 | $5.7M | 0.0% | 0.3% | -7.5% |
| 21 | WELLS FARGO & COMPANY/MN | 217,199 | $5.7M | 0.0% | 0.3% | +14.5% |
| 22 | Man Group plc | 210,779 | $5.5M | 0.0% | 0.3% | +11.0% |
| 23 | FEDERATED HERMES, INC. | 187,995 | $4.9M | 0.0% | 0.3% | +3.1% |
| 24 | RAYMOND JAMES FINANCIAL INC | 166,416 | $4.4M | 0.0% | 0.2% | -5.7% |
| 25 | STATE OF WISCONSIN INVESTMENT BOARD | 155,579 | $4.1M | 0.0% | 0.2% | +135.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.