<SEC-DOCUMENT>0000899243-20-023373-index.html : 20200825
<SEC-HEADER>0000899243-20-023373.hdr.sgml : 20200825
<ACCEPTANCE-DATETIME>20200825170847
ACCESSION NUMBER:		0000899243-20-023373
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200821
FILED AS OF DATE:		20200825
DATE AS OF CHANGE:		20200825

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			New Mountain Investments III, LLC
		CENTRAL INDEX KEY:			0001515175

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38912
		FILM NUMBER:		201133170

	BUSINESS ADDRESS:	
		STREET 1:		787 7TH AVENUE
		STREET 2:		48TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212) 720-0300

	MAIL ADDRESS:	
		STREET 1:		787 7TH AVENUE
		STREET 2:		48TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			New Mountain Partners III LP
		CENTRAL INDEX KEY:			0001403510
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38912
		FILM NUMBER:		201133171

	BUSINESS ADDRESS:	
		STREET 1:		787 Seventh Avenue
		STREET 2:		49th Floor
		CITY:			New York
		STATE:			NY
		ZIP:			10019

	MAIL ADDRESS:	
		STREET 1:		787 Seventh Avenue
		STREET 2:		49th Floor
		CITY:			New York
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			New Mountain Capital, L.L.C.
		CENTRAL INDEX KEY:			0001407718

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38912
		FILM NUMBER:		201133172

	BUSINESS ADDRESS:	
		STREET 1:		787 7TH AVENUE
		STREET 2:		49TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212) 720-0300

	MAIL ADDRESS:	
		STREET 1:		787 7TH AVENUE
		STREET 2:		49TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			New Mountain Capital Group, L.P.
		CENTRAL INDEX KEY:			0001777024
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38912
		FILM NUMBER:		201133173

	BUSINESS ADDRESS:	
		STREET 1:		787 SEVENTH AVENUE, 49TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-720-0300

	MAIL ADDRESS:	
		STREET 1:		787 SEVENTH AVENUE, 49TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NM Holdings GP, L.L.C.
		CENTRAL INDEX KEY:			0001776766
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38912
		FILM NUMBER:		201133174

	BUSINESS ADDRESS:	
		STREET 1:		787 SEVENTH AVENUE, 49TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-720-0300

	MAIL ADDRESS:	
		STREET 1:		787 SEVENTH AVENUE, 49TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KLINSKY STEVEN B
		CENTRAL INDEX KEY:			0001018327

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38912
		FILM NUMBER:		201133175

	MAIL ADDRESS:	
		STREET 1:		C/O NEW MOUNTAIN CAPITAL, L.L.C.
		STREET 2:		787 SEVENTH AVENUE, 49TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Avantor, Inc.
		CENTRAL INDEX KEY:			0001722482
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				822758923
		FISCAL YEAR END:			1231

	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>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

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</SEC-DOCUMENT>