-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, GZx6ttywV4jr/R+ozvyX5wu9eqnEX/4UZ/PukAlNkaSrdHEmfwk15RQ6//6Yu/bP fZlD0Fs2D6hytj2Lylb4Mg== 0000908733-07-000040.txt : 20070109 0000908733-07-000040.hdr.sgml : 20070109 20070109123030 ACCESSION NUMBER: 0000908733-07-000040 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070109 DATE AS OF CHANGE: 20070109 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ANCHOR BANCORP WISCONSIN INC CENTRAL INDEX KEY: 0000885322 STANDARD INDUSTRIAL CLASSIFICATION: SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036] IRS NUMBER: 391726871 STATE OF INCORPORATION: WI FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-42578 FILM NUMBER: 07519703 BUSINESS ADDRESS: STREET 1: 25 WEST MAIN ST CITY: MADISON STATE: WI ZIP: 53703 BUSINESS PHONE: 6082528700 MAIL ADDRESS: STREET 1: PO BOX 7933 CITY: MADISON STATE: WI ZIP: 53707-7933 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA WANGER ASSET MANAGEMENT LP CENTRAL INDEX KEY: 0000908733 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 363820584 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 227 W MONROE STREET STREET 2: SUITE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3126349231 MAIL ADDRESS: STREET 1: 227 W MONROE ST STREET 2: STE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: LIBERTY WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 20010220 FORMER COMPANY: FORMER CONFORMED NAME: WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 19990108 SC 13G/A 1 anchorbancorpwisconsin.htm ANCHOR BANCORP WISCONSIN INC 13GA1 
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                             ____________________

                                 SCHEDULE 13G
                                (Rule 13d-102)

            INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
          TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
                           PURSUANT TO RULE 13d-2(b)
                              (Amendment No. 1)*

                         ANCHOR BANCORP WISCONSIN INC
           ________________________________________________________
                               (Name of Issuer)


                                 COMMON STOCK
          ___________________________________________________________
                        (Title of Class of Securities)


                                   032839102
                        ______________________________
                                (CUSIP Number)

                               December 31, 2006
          ___________________________________________________________
            (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 032839102              13G                Page 2 of 6
                                                      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
- -----------------------------------------------------------------
- -----------------------------------------------------------------
                                                       1,499,900
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

- -----------------------------------------------------------------
- -----------------------------------------------------------------
                                                          40,000
                 6  SHARED VOTING POWER
- -----------------------------------------------------------------
- -----------------------------------------------------------------
                                                       1,539,900
                 7  SOLE DISPOSITIVE POWER
- -----------------------------------------------------------------
- -----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER
- -----------------------------------------------------------------
- -----------------------------------------------------------------
   9    AGGREGATE  AMOUNT  BENEFICIALLY  OWNED BY EACH REPORTING
        PERSON
                                                       1,539,900
- -----------------------------------------------------------------
- -----------------------------------------------------------------
  10    CHECK  IF  THE  AGGREGATE  AMOUNT  IN ROW  (9)  EXCLUDES
        CERTAIN SHARES*

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

                                                           7.07%
- -----------------------------------------------------------------
- -----------------------------------------------------------------
  12    TYPE OF REPORTING PERSON*

                                                              IA
- -----------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!










Item 1(a). Name of Issuer:

           ANCHOR BANCORP WISCONSIN INC

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

           25 West Main Street
           Madison, WI 53703

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:

           032839102

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  6.06% 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:

           With respect to Subsidiary  Identification and  Classification,  see
           Items 5 through 11 of the cover pages to this  Schedule  13G,  which
           are incorporated herein by reference.

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 8, 2007

                                  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 8, 2007

                                  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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