Perceptive Advisors LLC 13D and 13G filings for Zymeworks Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-15 4:16 pm Purchase | 2026-04-08 | 13G | ZYMEWORKS INC ZYME | Perceptive Advisors LLC | 3,974,579 5.400% | 2,899,772 (+269.79%) | Filing |
| 2024-02-14 4:44 pm Sale | 2023-12-31 | 13G | ZYMEWORKS INC ZYME | Perceptive Advisors LLC | 1,074,807 1.500% | -3,436,468 (-76.18%) | Filing |
| 2023-02-14 2:31 pm Purchase | 2022-12-31 | 13G | ZYMEWORKS INC ZYME | Perceptive Advisors LLC | 4,511,275 7.200% | 4,511,275 (New Position) | Filing |