<SEC-DOCUMENT>0001047469-19-003435-index.html : 20190603
<SEC-HEADER>0001047469-19-003435.hdr.sgml : 20190603
<ACCEPTANCE-DATETIME>20190603170823
ACCESSION NUMBER:		0001047469-19-003435
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20190603
DATE AS OF CHANGE:		20190603
EFFECTIVENESS DATE:		20190603

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			New Mountain Finance Corp
		CENTRAL INDEX KEY:			0001496099
		IRS NUMBER:				272978010
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-230326
		FILM NUMBER:		19874196

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

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	New Mountain Guardian Corp
		DATE OF NAME CHANGE:	20100706
</SEC-HEADER>
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<TYPE>497
<SEQUENCE>1
<FILENAME>a2238870z497.htm
<DESCRIPTION>497
<TEXT>
Document 1 - file: a2238870z497.htm

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<SEQUENCE>2
<FILENAME>g947385.jpg
<DESCRIPTION>G947385.JPG
<TEXT>
Document 2 - file: g947385.jpg

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<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g166783.jpg
<DESCRIPTION>G166783.JPG
<TEXT>
Document 3 - file: g166783.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g992790.jpg
<DESCRIPTION>G992790.JPG
<TEXT>
Document 4 - file: g992790.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g161779.jpg
<DESCRIPTION>G161779.JPG
<TEXT>
Document 5 - file: g161779.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g447137.jpg
<DESCRIPTION>G447137.JPG
<TEXT>
Document 6 - file: g447137.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g631411.jpg
<DESCRIPTION>G631411.JPG
<TEXT>
Document 7 - file: g631411.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g687302.jpg
<DESCRIPTION>G687302.JPG
<TEXT>
Document 8 - file: g687302.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g516644.jpg
<DESCRIPTION>G516644.JPG
<TEXT>
Document 9 - file: g516644.jpg

</DOCUMENT>
</SEC-DOCUMENT>