Schonfeld Strategic Advisors LLC - Jun 30, 2025 SCHEDULE 13G/A Report for Mersana Therapeutics, Inc. Common Stock, par value $0.0001 per share (MRSN)

Filing Manager: Schonfeld Strategic Advisors LLC
Reporting Manager: Schonfeld Strategic Advisors LLC
Security: Mersana Therapeutics, Inc. Common Stock, par value $0.0001 per share
Symbol: MRSN
Shares outstanding: 125M shares
Disclosed Ownership: 5.67M shares
Ownership: 4.55%
Form type: SCHEDULE 13G/A
Date filed: 8/14/2025, 04:31 PM
Date of event: Jun 30, 2025
Previous filing: May 15, 2025
Next filing: Nov 14, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Schonfeld Strategic Advisors LLC	4.55%	5.67M	5.67M	0	/s/ Hung Luc	Hung Luc, Chief Compliance Officer