<SEC-DOCUMENT>0001496099-19-000010-index.html : 20190506
<SEC-HEADER>0001496099-19-000010.hdr.sgml : 20190506
<ACCEPTANCE-DATETIME>20190506161308
ACCESSION NUMBER:		0001496099-19-000010
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20190331
FILED AS OF DATE:		20190506
DATE AS OF CHANGE:		20190506

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:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	814-00832
		FILM NUMBER:		19799449

	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>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
<FILENAME>nmfc-033119x10q.htm
<DESCRIPTION>10-Q
<TEXT>
Document 1 - file: nmfc-033119x10q.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>nmfc-033119xex311.htm
<DESCRIPTION>EXHIBIT 31.1
<TEXT>
Document 2 - file: nmfc-033119xex311.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>nmfc-033119xex312.htm
<DESCRIPTION>EXHIBIT 31.2
<TEXT>
Document 3 - file: nmfc-033119xex312.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>4
<FILENAME>nmfc-033119xex321.htm
<DESCRIPTION>EXHIBIT 32.1
<TEXT>
Document 4 - file: nmfc-033119xex321.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>5
<FILENAME>nmfc-033119xex322.htm
<DESCRIPTION>EXHIBIT 32.2
<TEXT>
Document 5 - file: nmfc-033119xex322.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>deloittelogoa22.jpg
<TEXT>
Document 6 - file: deloittelogoa22.jpg

</DOCUMENT>
</SEC-DOCUMENT>