BlackRock, Inc. - Sep 30, 2025 SCHEDULE 13G/A Report for Avantor, Inc. Common Stock (AVTR)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: Avantor, Inc. Common Stock
Symbol: AVTR
Shares outstanding: 679M shares
Disclosed Ownership: 59M shares
Ownership: 8.7%
Form type: SCHEDULE 13G/A
Date filed: 10/17/2025, 06:05 PM
Date of event: Sep 30, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	8.7%	59M	56.2M	0	Spencer Fleming	Managing Director