BlackRock, Inc. - 31 Mar 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: 78,429,800 shares
Disclosed Ownership: 6,274,384 shares
Ownership: 8%
Form type: SCHEDULE 13G/A
Filing time: 17 Apr 2025, 09:35:32 UTC
Date of event: 31 Mar 2025
Next filing: 04 Dec 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	8%	6,274,384	6,177,631	0	Spencer Fleming	Managing Director