BlackRock, Inc. - Nov 30, 2025 SCHEDULE 13G/A Report for PTC THERAPEUTICS, INC. Common Stock (PTCT)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: PTC THERAPEUTICS, INC. Common Stock
Symbol: PTCT
Shares outstanding: 80.4M shares
Disclosed Ownership: 11.9M shares
Ownership: 14.8%
Form type: SCHEDULE 13G/A
Date filed: 12/4/2025, 02:24 PM
Date of event: Nov 30, 2025
Previous filing: Apr 17, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	14.8%	11.9M	11.8M	0	Spencer Fleming	Managing Director