BlackRock, Inc. - 30 Sep 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: 678,730,747 shares
Disclosed Ownership: 59,049,575 shares
Ownership: 8.7%
Form type: SCHEDULE 13G/A
Filing time: 17 Oct 2025, 18:05:59 UTC
Date of event: 30 Sep 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%	59,049,575	56,188,076	0	Spencer Fleming	Managing Director