Schonfeld Strategic Advisors LLC 13D and 13G filings for Mersana Therapeutics, 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 |
| 2026-02-17 4:31 pm Sale | 2025-12-31 | 13G | MERSANA THERAPEUTICS INC MRSN | Schonfeld Strategic Advisors LLC | 0 0.000% | -273,579 (Position Closed) | Filing |
| 2025-11-14 4:15 pm Sale | 2025-09-30 | 13G | MERSANA THERAPEUTICS INC MRSN | Schonfeld Strategic Advisors LLC | 273,579 5.480% | -5,400,273 (-95.18%) | Filing |
| 2025-08-14 4:31 pm Purchase | 2025-06-30 | 13G | MERSANA THERAPEUTICS INC MRSN | Schonfeld Strategic Advisors LLC | 5,673,852 4.550% | 5,369,289 (+1762.95%) | Filing |
| 2025-05-15 4:31 pm Purchase | 2025-03-31 | 13G | MERSANA THERAPEUTICS INC MRSN | Schonfeld Strategic Advisors LLC | 304,563 6.110% | 304,563 (New Position) | Filing |