<SEC-DOCUMENT>0000899243-22-018618.txt : 20220518
<SEC-HEADER>0000899243-22-018618.hdr.sgml : 20220518
<ACCEPTANCE-DATETIME>20220518165718
ACCESSION NUMBER:		0000899243-22-018618
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220509
FILED AS OF DATE:		20220518
DATE AS OF CHANGE:		20220518

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hazelwood Tricia Nicole
		CENTRAL INDEX KEY:			0001929275

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	814-00735
		FILM NUMBER:		22939933

	MAIL ADDRESS:	
		STREET 1:		154 EAST 66TH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Portman Ridge Finance Corp
		CENTRAL INDEX KEY:			0001372807
		IRS NUMBER:				205951150
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		650 MADISON AVNUE
		STREET 2:		23RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212.891.2880

	MAIL ADDRESS:	
		STREET 1:		650 MADISON AVNUE
		STREET 2:		23RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KCAP Financial, Inc.
		DATE OF NAME CHANGE:	20120710

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Kohlberg Capital CORP
		DATE OF NAME CHANGE:	20061211

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Kohlberg Capital, LLC
		DATE OF NAME CHANGE:	20060815
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2022-05-09</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001372807</issuerCik>
        <issuerName>Portman Ridge Finance Corp</issuerName>
        <issuerTradingSymbol>PTMN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001929275</rptOwnerCik>
            <rptOwnerName>Hazelwood Tricia Nicole</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MUFG SECURITIES AMERICAS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1221 AVENUE OF THE AMERICAS</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10020</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Tricia N. Hazelwood</signatureName>
        <signatureDate>2022-05-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
