<SEC-DOCUMENT>0000950170-25-046815-index.html : 20250328
<SEC-HEADER>0000950170-25-046815.hdr.sgml : 20250328
<ACCEPTANCE-DATETIME>20250328161904
ACCESSION NUMBER:		0000950170-25-046815
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20250328
DATE AS OF CHANGE:		20250328

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Avantor, Inc.
		CENTRAL INDEX KEY:			0001722482
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				822758923
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38912
		FILM NUMBER:		25786580

	BUSINESS ADDRESS:	
		STREET 1:		RADNOR CORPORATE CENTER, BUILDING ONE
		STREET 2:		SUITE 200, 100 MATSONFORD ROAD
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		(610) 386-1700

	MAIL ADDRESS:	
		STREET 1:		RADNOR CORPORATE CENTER, BUILDING ONE
		STREET 2:		SUITE 200, 100 MATSONFORD ROAD
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Avantor, Inc
		DATE OF NAME CHANGE:	20190206

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Vail Holdco Corp
		DATE OF NAME CHANGE:	20171113
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>avtr-na_2025.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: avtr-na_2025.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img198531507_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img198531507_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img198531507_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img198531507_1.jpg

</DOCUMENT>
</SEC-DOCUMENT>