SECURITIES AND EXCHANGE COMMISSION
 Washington, D.C. 20549

 ____________________

 SCHEDULE 13G


 UNDER THE SECURITIES EXCHANGE ACT OF 1934
 (Amendment No.)*

 CARDTRONICS INC
___________________________________________________________
 (Name of Issuer)


 COMMON STOCK
___________________________________________________________
 (Title of Class of Securities)


 14161H108
 ______________________________
 (CUSIP Number)

 December 31, 2007
___________________________________________________________
 (Date of Event Which Requires Filing of this
 Statement)


Check the appropriate box to designate the Rule
pursuant to which this Schedule is filed:

 [X] Rule 13d - 1(b)
 [ ] Rule 13d - 1(c)
 [ ] Rule 13d - 1(d)

* The remainder of this cover page shall be filled
out for a reporting person's initial filing on this
form with respect to the subject class of securities,
and for any subsequent amendment containing
information which would alter disclosures provided in
a prior cover page.

 The information required on the remainder of
this page shall not be deemed to be "filed" for the
purpose of Section 18 of the Securities Exchange Act
of 1934 ("Act") or otherwise subject to the
liabilities of that section of the Act but shall be
subject to all other provisions of the Act (however,
see the Notes.)
















----------------- --------------
CUSIP No 13G Page 2 of 6
14161H108 Pages
----------------- --------------



---------------------------------------------------------
 1 NAMES OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
 (ENTITIES ONLY):

 Columbia Wanger Asset Management, L.P.
 04-3519872

---------------------------------------------------------
---------------------------------------------------------
 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 (a) [ ]
 (b) [ ]
---------------------------------------------------------
---------------------------------------------------------
 3 SEC USE ONLY


---------------------------------------------------------
---------------------------------------------------------
 4 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
---------------------------------------------------------
---------------------------------------------------------
 2,544,000
 5 SOLE VOTING POWER
 NUMBER OF
 SHARES
 BENEFICIALLY
OWNED BY EACH
 REPORTING
 PERSON WITH

---------------------------------------------------------
---------------------------------------------------------

 6 SHARED VOTING POWER
---------------------------------------------------------
---------------------------------------------------------

 7 SOLE DISPOSITIVE 2,544,000
 POWER
---------------------------------------------------------
---------------------------------------------------------
 8 SHARED DISPOSITIVE
 POWER
---------------------------------------------------------
---------------------------------------------------------
 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
 REPORTING PERSON
 2,544,000
---------------------------------------------------------
---------------------------------------------------------
 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9)
 EXCLUDES CERTAIN SHARES*

 [ ]
---------------------------------------------------------
---------------------------------------------------------
 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 6.60%
---------------------------------------------------------
---------------------------------------------------------
 12 TYPE OF REPORTING PERSON*

 IA
---------------------------------------------------------











Item 1(a). Name of Issuer:

 CARDTRONICS INC

Item 1(b). Address of Issuer's Principal Executive
 Offices:

 3110 HAYES ROAD, SUITE 300
 HOUSTON, TX 77082

Item 2(a). Name of Person Filing:

 Columbia Wanger Asset Management, L.P.

Item 2(b). Address of Principal Business Office
 or, if None, Residence:

 227 West Monroe Street, Suite 3000, Chicago,
 IL 60606.

Item 2(c). Citizenship:

 Delaware

Item 2(d). Title of Class of Securities:

 Common Stock

Item 2(e). CUSIP Number:

 14161H108

Item 3. If This Statement is Filed Pursuant to Rule
 13d-1(b), or 13d-2(b) or (c), Check Whether
 the Person Filing is a:

 (a) [ ] Broker or dealer registered under
 Section 15 of the Exchange Act.
 (b) [ ] Bank as defined in Section 3(a)(6)
 of the Exchange Act.
 (c) [ ] Insurance company as defined in
 Section 3(a)(19) of the Exchange Act.
 (d) [ ] Investment company registered
 under Section 8 of the Investment
 Company Act.
 (e) [X] An investment adviser in accordance
 with Rule 13d-1(b)(1)(ii)(E).
 (f) [ ] An employee benefit plan or
 endowment fund in accordance with
 Rule 13d-1(b)(1)(ii)(F).
 (g) [ ] A parent holding company or
 control person in accordance with Rule
 13d-1(b)(1)(ii)(G).
 (h) [ ] A savings association as defined
 in Section 3(b) of the Federal Deposit
 Insurance Act.
 (i) [ ] A church plan that is excluded
 from the definition of an investment
 company under Section 3(c)(14) of the
 Investment Company Act.
 (j) [ ] Group, in accordance with
 Rule 13d-1(b)(1)(ii)(J).

 If this statement is filed pursuant to
 Rule 13d-1(c), check this box. [ ]

Item 4. Ownership:

 With respect to the beneficial ownership of
 the reporting person, see Items 5 through 11
 of the cover pages to this Schedule 13G,
 which are incorporated herein by reference.

Item 5. Ownership of Five Percent or Less of a Class:

 If this statement is being filed to report
 the fact that as of the date hereof the
 reporting person has ceased to be the
 beneficial owner of more than five percent
 of the class of securities, check the
 following [ ].

Item 6. Ownership of More than Five Percent on
 Behalf of Another Person:

 The shares reported herein include the
 shares held by Columbia Acorn Trust (CAT), a
 Massachusetts business trust that is advised
 by the reporting person. CAT holds 5.99% of
 the shares of the Issuer.

Item 7. Identification and Classification of the
 Subsidiary Which Acquired the Security Being
 Reported on by the Parent Holding Company or
 Control Person:

 Not applicable.

Item 8. Identification and Classification of Members
 of the Group:

 Not applicable.

Item 9. Notice of Dissolution of Group:

 Not applicable.







Item 10. Certification:

 By signing below each of the undersigned
 certifies that, to the best of such
 undersigned's knowledge and belief, the
 securities referred to above were acquired
 and are held in the ordinary course of
 business and were not acquired and are not
 for the purpose of or with the effect of
 changing or influencing the control of the
 issuer of the securities and were not
 acquired and are not held in connection with
 or as a participant in any transaction
 having that purpose or effect.

 SIGNATURE

After reasonable inquiry and to the best of my
knowledge and belief, I certify that the information
set forth in this statement is true, complete and
correct.

Dated: January 22, 2008

 Columbia Wanger Asset
 Management, L.P.

 By: /s/ Bruce H. Lauer
 _____________________
 Bruce H. Lauer,
 Senior Vice President
 and Secretary,
 WAM Acquisition GP,
 Inc., General Partner






 Exhibit 99.1

 EXHIBIT 99.1 - JOINT FILING AGREEMENT

 The undersigned hereby agree that they are
filing this statement jointly pursuant to Rule
13d-1(k)(1). Each of them is responsible for the
timely filing of such Schedule 13G and any amendments
thereto, and for the completeness and accuracy of the
information concerning such person contained therein;
but none of them is responsible for the completeness
or accuracy of the information concerning the other
persons making the filing, unless such person knows
or has reason to believe that such information is
inaccurate.

 In accordance with Rule 13d-1(k)(1) promulgated
under the Securities and Exchange Act of 1934, as
amended, the undersigned hereby agree to the joint
filing with each other on behalf of each of them of
to such a statement on Schedule 13G with respect to
the common stock of beneficially owned by each of
them. This Joint Filing Agreement shall be included
as an exhibit to such Schedule 13G.

Dated: January 22, 2008

 Columbia Wanger Asset
 Management, L.P.

 By: /s/ Bruce H. Lauer
 _____________________
 Bruce H. Lauer,
 Senior Vice President
 and Secretary,
 WAM Acquisition GP,
 Inc., General Partner


 Columbia Acorn Trust

 By: /s/ Bruce H. Lauer
 _____________________
 Bruce H. Lauer,
 Vice President,
 Treasurer and Secretary
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