-----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,
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 AGJT9OFhJzS9odCw61sWew==

<SEC-DOCUMENT>0001181431-08-050194.txt : 20080826
<SEC-HEADER>0001181431-08-050194.hdr.sgml : 20080826
<ACCEPTANCE-DATETIME>20080826181055
ACCESSION NUMBER:		0001181431-08-050194
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080822
FILED AS OF DATE:		20080826
DATE AS OF CHANGE:		20080826

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNIVERSE HOLDINGS INC
		CENTRAL INDEX KEY:			0001169264
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATION SERVICES, NEC [4899]
		IRS NUMBER:				300041666
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8125 HIGHWOODS PALM WAY
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33647
		BUSINESS PHONE:		8136375000

	MAIL ADDRESS:	
		STREET 1:		8125 HIGHWOODS PALM WAY
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33647

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TSI TELECOMMUNICATION HOLDINGS INC
		DATE OF NAME CHANGE:	20020315

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GTCR GOLDER RAUNER LLC
		CENTRAL INDEX KEY:			0001105021
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1230

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32432
		FILM NUMBER:		081040228

	BUSINESS ADDRESS:	
		STREET 1:		6100 SEARS TOWER
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606-6402
		BUSINESS PHONE:		3123822200

	MAIL ADDRESS:	
		STREET 1:		6100 SEARS TOWER
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606-6402
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd217127.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-08-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001169264</issuerCik>
        <issuerName>SYNIVERSE HOLDINGS INC</issuerName>
        <issuerTradingSymbol>SVR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001105021</rptOwnerCik>
            <rptOwnerName>GTCR GOLDER RAUNER LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GTCR GOLDER RAUNER, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>SEARS TOWER #6100</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60606-6402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See remarks below</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2008-08-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>926</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.06</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2381</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2008-08-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>669</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.53</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1712</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4181220</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects shares received by GTCR Golder Rauner, L.L.C. (&quot;GTCR&quot;) as a result of pro rata distributions from GTCR Co-Invest, L.P. (&quot;Co-Invest&quot;) that were exempt from Section 16 of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16a-13 promulgated thereunder.</footnote>
        <footnote id="F2">Represents the weighted average price of the shares sold.  The prices actually received ranged from (i) $17.16 to $16.89 for sales occurring on August 22, 2008 and (ii) $16.80 to $16.36 for sales occurring on August 25, 2008.  The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.</footnote>
        <footnote id="F3">Reflects 4,181,220 shares beneficially owned by GTCR Partners VII, Co-Invest and GTCR Partners VI, L.P. (&quot;GTCR Partners VI&quot;) by virtue of GTCR being the general partner of GTCR Partners VII, Co-Invest and GTCR Partners VI.  This aggregate share amount includes shares held directly by GTCR Fund VII, L.P. (&quot;Fund VII&quot;), GTCR Fund VII/A, L.P. (&quot;Fund VII/A&quot;) and GTCR Capital Partners, L.P. (&quot;Capital Partners&quot;), by virtue of: (i) GTCR Partners VII being the general partner of Fund VII and Fund VII/A, (ii) GTCR Mezzanine Partners, L.P. (&quot;Mezzanine Partners&quot;) being the general partner of Capital Partners and (iii) GTCR Partners VI being the general partner of Mezzanine Partners.  As such, GTCR may be deemed to be the beneficial owner of such shares.(Continued Footnote 4)</footnote>
        <footnote id="F4">GTCR expressly disclaims beneficial ownership of such shares except to the extent of its pecuniary interest therein.  The filing of this form shall not be deemed an admission that GTCR is, for Section 16 purposes or otherwise, the beneficial owner of such shares, except to the extent of its pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>The Reporting Person may be deemed a director by virtue of its members serving on the board of directors of Syniverse Holdings, Inc.</remarks>

    <ownerSignature>
        <signatureName>/s/ Jody S. Gale under a Power of Attorney</signatureName>
        <signatureDate>2008-08-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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