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<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 12pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 18pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
</B></FONT><FONT STYLE="font-size: 12pt">WASHINGTON, D.C. 20549</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CURRENT REPORT<BR>
</B>Pursuant to Section 13 or 15(d) of the<BR>
Securities Exchange Act of 1934</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED):
February 21, 2012</B></P>

<P STYLE="font: 10pt Symbol; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B><U>DEALERTRACK HOLDINGS, INC.<BR>
</U></B>(Exact name of registrant as specified in its charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 33%; text-decoration: none; text-align: center; border-bottom: Black 1pt solid">Delaware</TD>
    <TD STYLE="width: 1%; text-align: center; text-decoration: none">&nbsp;</TD>
    <TD STYLE="width: 32%; text-decoration: none; text-align: center; border-bottom: Black 1pt solid">000-51653</TD>
    <TD STYLE="width: 1%; text-align: center; text-decoration: none">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-decoration: none; text-align: center; width: 33%">52-2336218</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(State or other jurisdiction</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(Commission</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(I.R.S. Employer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">of incorporation)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">File Number)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">Identification No.)</TD></TR>
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-decoration: none; text-align: center; width: 75%">1111 Marcus Ave., Suite
    M04, Lake Success, NY</TD>
    <TD STYLE="width: 1%; text-align: center; text-decoration: none">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-decoration: none; text-align: center; width: 24%">11042</TD>
    </TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(Address of principal executive offices)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(Zip Code)</TD>
    </TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Registrant's telephone number, including area
code: 516-734-3600</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><U>Not Applicable<BR>
</U>Former name or former address, if changed since last report</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Wingdings; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Soliciting material
pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0; margin-bottom: 0in"><B>Item 2.02 Results of Operations
and Financial Condition.</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">Attached hereto as Exhibit 99.1 and incorporated by reference herein
is financial information for the registrant for the fourth quarter and full year 2011 and forward-looking statements relating to
2012, as presented in a press release of February 21, 2012. The information in this Current Report on Form 8-K is furnished under
Item 2.02 - &quot;Results of Operations and Financial Condition.&quot; Such information, including the exhibits attached hereto,
shall not be deemed &quot;filed&quot; for any purpose, including for the purposes of Section 18 of the Securities Exchange Act
of 1934, as amended (the &quot;Exchange Act&quot;), or otherwise subject to the liabilities of that Section. The information in
this Current Report on Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933,
as amended, or the Exchange Act regardless of any general incorporation language in such filing.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in"><B>Item 9.01 Financial Statements and Exhibits.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">(d) <I>&nbsp;Exhibits.</I></P>

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    <TD STYLE="width: 6%; vertical-align: top; border-bottom: windowtext 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in"><B>Exhibit No.</B></P></TD>
    <TD STYLE="width: 2%; vertical-align: bottom; font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 92%; vertical-align: bottom; border-bottom: windowtext 1pt solid; font-weight: bold; text-align: center">Description</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: right">99.1</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top">Registrant&rsquo;s Press Release dated <FONT STYLE="color: black">February 21, 2012</FONT>.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">Date: <FONT STYLE="color: black">February 21, 2012&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="3">DealerTrack Holdings, Inc.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 48%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 4%">By:</TD>
    <TD STYLE="width: 45%; border-bottom: windowtext 1pt solid">/s/ Eric D. Jacobs</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Eric D. Jacobs&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Senior Vice President, Chief Financial and Administrative Officer</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>EXHIBIT INDEX</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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    <TD STYLE="width: 6%; vertical-align: top; border-bottom: windowtext 1pt solid; font-weight: bold">Exhibit No.</TD>
    <TD STYLE="width: 2%; vertical-align: bottom; font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 92%; vertical-align: bottom; border-bottom: windowtext 1pt solid; font-weight: bold; text-align: center">Description</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: right">99.1</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top">Registrant&rsquo;s Press Release dated <FONT STYLE="color: black">February 21, 2012</FONT>.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED):
February 21, 2012
DEALERTRACK HOLDINGS, INC.
(Exact name of registrant as specified in its charter)
Delaware
000-51653
52-2336218
(State or other jurisdiction
(Commission
(I.R.S. Employer
of incorporation)
File Number)
Identification No.)
1111 Marcus Ave., Suite
    M04, Lake Success, NY
11042
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including area
code: 516-734-3600
Not Applicable
Former name or former address, if changed since last report
Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
¨
Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨
Soliciting material
pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 2.02 Results of Operations
and Financial Condition.
Attached hereto as Exhibit 99.1 and incorporated by reference herein
is financial information for the registrant for the fourth quarter and full year 2011 and forward-looking statements relating to
2012, as presented in a press release of February 21, 2012. The information in this Current Report on Form 8-K is furnished under
Item 2.02 - "Results of Operations and Financial Condition." Such information, including the exhibits attached hereto,
shall not be deemed "filed" for any purpose, including for the purposes of Section 18 of the Securities Exchange Act
of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that Section. The information in
this Current Report on Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933,
as amended, or the Exchange Act regardless of any general incorporation language in such filing.
Item 9.01 Financial Statements and Exhibits.
(d)
Exhibits.
Exhibit No.
Description
99.1
Registrant's Press Release dated
February 21, 2012
.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date:
February 21, 2012
DealerTrack Holdings, Inc.
By:
/s/ Eric D. Jacobs
Eric D. Jacobs
Senior Vice President, Chief Financial and Administrative Officer
EXHIBIT INDEX
Exhibit No.
Description
99.1
Registrant's Press Release dated
February 21, 2012
.