<SEC-DOCUMENT>0001940648-22-000002.txt : 20220802
<SEC-HEADER>0001940648-22-000002.hdr.sgml : 20220802
<ACCEPTANCE-DATETIME>20220802162405
ACCESSION NUMBER:		0001940648-22-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220801
FILED AS OF DATE:		20220802
DATE AS OF CHANGE:		20220802

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Watkins Brad M
		CENTRAL INDEX KEY:			0001940648

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12043
		FILM NUMBER:		221129052

	MAIL ADDRESS:	
		STREET 1:		72 CANDY LANE
		CITY:			SYOSSET
		STATE:			NY
		ZIP:			11791

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>3
<SEQUENCE>1
<FILENAME>wf-form3_165947183089035.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2022-08-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001940648</rptOwnerCik>
            <rptOwnerName>Watkins Brad M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>85 BROAD STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Class A non-voting common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A non-voting common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The transaction describes the award on 8/1/2022 of Restricted Class A non-voting common stock vesting on 7/31/2027, subject to the awardee being continuously employed by the company until such time.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jenny Chan, as Attorney-in-fact for Brad M. Watkins</signatureName>
        <signatureDate>2022-08-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
