-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AvDolqpKdF8Gcn4EFwbzqSfgcDF/FYmaop3x4QOSktIrTQDZSSh9s/4aAwKLUzlC
 ToeXYPUif2kmWSZqLNrQoQ==

<SEC-DOCUMENT>0001209191-08-016519.txt : 20080306
<SEC-HEADER>0001209191-08-016519.hdr.sgml : 20080306
<ACCEPTANCE-DATETIME>20080306171517
ACCESSION NUMBER:		0001209191-08-016519
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080304
FILED AS OF DATE:		20080306
DATE AS OF CHANGE:		20080306

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Madison Christopher B
		CENTRAL INDEX KEY:			0001354644

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14140
		FILM NUMBER:		08671859

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		617-375-3000

	MAIL ADDRESS:	
		STREET 1:		535 BOYLSTON ST.
		STREET 2:		SUITE 401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Steinberg David J.
		CENTRAL INDEX KEY:			0001429076

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14140
		FILM NUMBER:		08671857

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		617-375-3000

	MAIL ADDRESS:	
		STREET 1:		C/O MAST MANAGEMENT CAPITAL LLC
		STREET 2:		535 BOYLSTON STREET, SUITE 401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BROADPOINT SECURITIES GROUP, INC.
		CENTRAL INDEX KEY:			0000782842
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				222655804
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE PENN PLAZA
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10119
		BUSINESS PHONE:		518-447-8613

	MAIL ADDRESS:	
		STREET 1:		ONE PENN PLAZA
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BROADPOINT SECURITIES GROUP INC.
		DATE OF NAME CHANGE:	20071228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST ALBANY COMPANIES INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mast Credit Opportunities I Master Fund LTD
		CENTRAL INDEX KEY:			0001336625
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14140
		FILM NUMBER:		08671860

	BUSINESS ADDRESS:	
		STREET 1:		535 BOYLSTON ST.
		STREET 2:		SUITE 401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-375-3000

	MAIL ADDRESS:	
		STREET 1:		535 BOYLSTON ST.
		STREET 2:		SUITE 401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER NAME:	
		FORMER CONFORMED NAME:	Mast Credit Opportunities (Master), Ltd
		DATE OF NAME CHANGE:	20050819

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mast Capital Management LLC
		CENTRAL INDEX KEY:			0001429074
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14140
		FILM NUMBER:		08671858

	BUSINESS ADDRESS:	
		STREET 1:		535 BOYLSTON STREET
		STREET 2:		SUITE 401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-375-3000

	MAIL ADDRESS:	
		STREET 1:		535 BOYLSTON STREET
		STREET 2:		SUITE 401
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-03-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000782842</issuerCik>
        <issuerName>BROADPOINT SECURITIES GROUP, INC.</issuerName>
        <issuerTradingSymbol>BPSG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001336625</rptOwnerCik>
            <rptOwnerName>Mast Credit Opportunities I Master Fund LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MAST CAPITAL MANAGEMENT LLC</rptOwnerStreet1>
            <rptOwnerStreet2>535 BOYLSTON STREET, SUITE 401</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001354644</rptOwnerCik>
            <rptOwnerName>Madison Christopher B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MAST CAPITAL MANAGEMENT LLC</rptOwnerStreet1>
            <rptOwnerStreet2>535 BOYLSTON STREET, SUITE 401</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001429074</rptOwnerCik>
            <rptOwnerName>Mast Capital Management LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>535 BOYLSTON STREET, SUITE 401</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001429076</rptOwnerCik>
            <rptOwnerName>Steinberg David J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MAST CAPITAL MANAGEMENT LLC</rptOwnerStreet1>
            <rptOwnerStreet2>535 BOYLSTON STREET, SUITE 401</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.01 par value per share</value>
            </securityTitle>
            <transactionDate>
                <value>2008-03-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7058824</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.70</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7058824</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mast Credit Opportunities I Master Fund Limited (the &quot;Fund&quot;) is the direct owner of 7,058,824 shares of Common Stock of the Issuer.  Mast Capital Management LLC is the investment adviser to the Fund, and Christopher B. Madison and David J. Steinberg are the managers of Mast Capital Management LLC.  Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Mast Credit Opportunities I Master Fund Limited by Christopher B. Madison</signatureName>
        <signatureDate>2008-03-06</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Christopher B. Madison</signatureName>
        <signatureDate>2008-03-06</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Mast Capital Management LLC by Christopher B. Madison</signatureName>
        <signatureDate>2008-03-06</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ David J. Steinberg</signatureName>
        <signatureDate>2008-03-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----