<SEC-DOCUMENT>0001648181-21-000002.txt : 20210129
<SEC-HEADER>0001648181-21-000002.hdr.sgml : 20210129
<ACCEPTANCE-DATETIME>20210129155729
ACCESSION NUMBER:		0001648181-21-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210128
FILED AS OF DATE:		20210129
DATE AS OF CHANGE:		20210129

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Friedman Paul M
		CENTRAL INDEX KEY:			0001648181

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12043
		FILM NUMBER:		21571070

	MAIL ADDRESS:	
		STREET 1:		11 DEERFIELD LANE
		CITY:			SCARSDALE
		STATE:			NY
		ZIP:			10583

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OPPENHEIMER HOLDINGS INC
		CENTRAL INDEX KEY:			0000791963
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				980080034
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		85 BROAD STREET
		STREET 2:		22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004
		BUSINESS PHONE:		(212) 825-4331

	MAIL ADDRESS:	
		STREET 1:		85 BROAD STREET
		STREET 2:		22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FAHNESTOCK VINER HOLDINGS INC
		DATE OF NAME CHANGE:	19950725

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VINER E A HOLDINGS LTD
		DATE OF NAME CHANGE:	19880622

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOLDALE INVESTMENTS LTD
		DATE OF NAME CHANGE:	19861030
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_161195383455796.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-01-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000791963</issuerCik>
        <issuerName>OPPENHEIMER HOLDINGS INC</issuerName>
        <issuerTradingSymbol>OPY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001648181</rptOwnerCik>
            <rptOwnerName>Friedman Paul M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OPPENHEIMER HOLDINGS INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>85 BROAD STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A non-voting common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-01-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17500</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Paul M. Friedman Living Trust dated 3/5/19</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents a restricted stock award granted under the Oppenheimer Holdings Inc. 2014 Incentive Plan</footnote>
        <footnote id="F2">Shares previously reported were transferred to Paul M. Friedman Living Trust in the benefit of Mr. Friedman in 2019</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jenny Chan, as Attorney-in-fact for Paul M. Friedman</signatureName>
        <signatureDate>2021-01-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
