Schedule 13G ownership disclosure

Avantor Inc

Common Stock · CUSIP: 05352A100

Event date: 2025-09-30

Filing-level shares
59,049,575
Percent of class
8.7%
  • BlackRock, Inc.

    Shares: 59,049,575 · Class: 8.7%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0002012383-25-002504
Form type
SCHEDULE 13G/A
Filer
Avantor, Inc.
CIK
CIK 1722482
Filed
Oct 17, 2025
Reporting period
Sep 30, 2025
Description
Schedule 13G beneficial ownership

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