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. __)*

                                  KFORCE INC.
          ___________________________________________________________
                               (Name of Issuer)


                                 COMMON STOCK
          ___________________________________________________________
                        (Title of Class of Securities)


                                   493732101
                             ____________________
                                (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.)

                        (Continued on following page(s)












-------------------                             ----------------
                               13G
-------------------                             ----------------



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

        Bank of America Corporation
        56-0906609

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


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

                                                        Delaware
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

-----------------------------------------------------------------
-----------------------------------------------------------------
                                                       1,628,965
                 6  SHARED VOTING POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 7  SOLE DISPOSITIVE POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER           2,215,859
-----------------------------------------------------------------
-----------------------------------------------------------------
    9      AGGREGATE   AMOUNT   BENEFICIALLY   OWNED   BY   EACH
           REPORTING PERSON
                                                       2,215,859
-----------------------------------------------------------------
-----------------------------------------------------------------
    10     CHECK IF THE  AGGREGATE  AMOUNT  IN ROW (9)  EXCLUDES
           CERTAIN SHARES*

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

                                                           5.42%
-----------------------------------------------------------------
-----------------------------------------------------------------
    12     TYPE OF REPORTING PERSON*

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











-------------------                             ----------------
                               13G
-------------------                             ----------------


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

        NB Holdings Corporation
        56-1857749

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


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

                                                        Delaware
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

-----------------------------------------------------------------
-----------------------------------------------------------------
                                                       1,624,865
                 6  SHARED VOTING POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 7  SOLE DISPOSITIVE POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER           2,211,759
-----------------------------------------------------------------
-----------------------------------------------------------------
    9      AGGREGATE   AMOUNT   BENEFICIALLY   OWNED   BY   EACH
           REPORTING PERSON
                                                       2,211,759
-----------------------------------------------------------------
-----------------------------------------------------------------
    10     CHECK IF THE  AGGREGATE  AMOUNT  IN ROW (9)  EXCLUDES
           CERTAIN SHARES*

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

                                                           5.41%
-----------------------------------------------------------------
-----------------------------------------------------------------
    12     TYPE OF REPORTING PERSON*

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











-------------------                             ----------------
                               13G
-------------------                             ----------------


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

             Bank of America, National Association
             94-1687665


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


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

                                                   United States
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                         306,286
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

-----------------------------------------------------------------
-----------------------------------------------------------------
                                                       1,318,579
                 6  SHARED VOTING POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                         346,446
                 7  SOLE DISPOSITIVE POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER           1,865,313
-----------------------------------------------------------------
-----------------------------------------------------------------
    9      AGGREGATE   AMOUNT   BENEFICIALLY   OWNED   BY   EACH
           REPORTING PERSON
                                                       2,211,759
-----------------------------------------------------------------
-----------------------------------------------------------------
    10     CHECK IF THE  AGGREGATE  AMOUNT  IN ROW (9)  EXCLUDES
           CERTAIN SHARES*

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

                                                           5.41%
-----------------------------------------------------------------
-----------------------------------------------------------------
    12     TYPE OF REPORTING PERSON*

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











-------------------                              ----------------
                                13G
-------------------                              ----------------


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

        Columbia Management Group, LLC
        94-1687665

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


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

                                                        Delaware
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

-----------------------------------------------------------------
-----------------------------------------------------------------
                                                       1,318,579
                 6  SHARED VOTING POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 7  SOLE DISPOSITIVE POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER           1,865,313
-----------------------------------------------------------------
-----------------------------------------------------------------
    9      AGGREGATE   AMOUNT   BENEFICIALLY   OWNED   BY   EACH
           REPORTING PERSON
                                                       1,865,313
-----------------------------------------------------------------
-----------------------------------------------------------------
    10     CHECK IF THE  AGGREGATE  AMOUNT  IN ROW (9)  EXCLUDES
           CERTAIN SHARES*

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

                                                           4.57%
-----------------------------------------------------------------
-----------------------------------------------------------------
    12     TYPE OF REPORTING PERSON*

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











-------------------                              ----------------
                                13G
-------------------                              ----------------


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

        Columbia Management Advisors, LLC
        94-1687665

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


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

                                                        Delaware
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                       1,318,579
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 6  SHARED VOTING POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                       1,865,313
                 7  SOLE DISPOSITIVE POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER                   0
-----------------------------------------------------------------
-----------------------------------------------------------------
    9      AGGREGATE   AMOUNT   BENEFICIALLY   OWNED   BY   EACH
           REPORTING PERSON
                                                       1,865,313
-----------------------------------------------------------------
-----------------------------------------------------------------
    10     CHECK IF THE  AGGREGATE  AMOUNT  IN ROW (9)  EXCLUDES
           CERTAIN SHARES*

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

                                                           4.57%
-----------------------------------------------------------------
-----------------------------------------------------------------
    12     TYPE OF REPORTING PERSON*

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












-------------------                             ----------------
                               13G
-------------------                             ----------------


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

        Banc of America Securities Holdings Corporation
        56-2103478

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


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

                                                        Delaware
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

-----------------------------------------------------------------
-----------------------------------------------------------------
                                                           4,100
                 6  SHARED VOTING POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 7  SOLE DISPOSITIVE POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER               4,100
-----------------------------------------------------------------
-----------------------------------------------------------------
    9      AGGREGATE   AMOUNT   BENEFICIALLY   OWNED   BY   EACH
           REPORTING PERSON
                                                           4,100
-----------------------------------------------------------------
-----------------------------------------------------------------
    10     CHECK IF THE  AGGREGATE  AMOUNT  IN ROW (9)  EXCLUDES
           CERTAIN SHARES*

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

                                                           0.01%
-----------------------------------------------------------------
-----------------------------------------------------------------
    12     TYPE OF REPORTING PERSON*

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












-------------------                             ----------------
                               13G
-------------------                             ----------------


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

        Banc of America Securities LLC
        56-2058405

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


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

                                                        Delaware
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                           4,100
                 5  SOLE VOTING POWER
   NUMBER OF
     SHARES
  BENEFICIALLY
 OWNED BY EACH
   REPORTING
  PERSON WITH

-----------------------------------------------------------------
-----------------------------------------------------------------
                                                               0
                 6  SHARED VOTING POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                                                           4,100
                 7  SOLE DISPOSITIVE POWER
-----------------------------------------------------------------
-----------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER                   0
-----------------------------------------------------------------
-----------------------------------------------------------------
    9      AGGREGATE   AMOUNT   BENEFICIALLY   OWNED   BY   EACH
           REPORTING PERSON
                                                           4,100
-----------------------------------------------------------------
-----------------------------------------------------------------
    10     CHECK IF THE  AGGREGATE  AMOUNT  IN ROW (9)  EXCLUDES
           CERTAIN SHARES*

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

                                                           0.01%
-----------------------------------------------------------------
-----------------------------------------------------------------
    12     TYPE OF REPORTING PERSON*

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











Item 1(a). Name of Issuer:

           Kforce Inc.

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

           1001 East Palm Avenue
           Tampa, FL  33605

Item 2(a). Name of Person Filing:

           Bank of America Corporation
           NB Holdings Corporation
           Bank of America, National Association
           Columbia Management Group, LLC
           Columbia Management Advisors, LLC
           Banc of America Securities Holdings Corporation
           Banc of America Securities LLC

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

           Each Reporting  Person has its or his principal  business  office at
           100 North Tryon Street,  Floor 25, Bank of America Corporate Center,
           Charlotte, NC 28255.

Item 2(c). Citizenship:

           Bank of America Corporation    Delaware
           NB Holdings Corporation        Delaware
           Bank of America, National Association    United States
           Columbia Management Group, LLC Delaware
           Columbia Management Advisors, LLC   Delaware
           Banc of America Securities Holdings Corporation
                                          Delaware
           Banc of America Securities LLC Delaware

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

           Common Stock

Item 2(e). CUSIP Number:

           493732101

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)  [   ]   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)  [X] 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:

           Not applicable.

Item 7.    Identification  and  Classification of the Subsidiary which Acquired
           the Security Being Reported on By the Parent Holding Company:

           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 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:     February 7, 2007

Bank of America Corporation
NB Holdings Corporation
Bank of America, National Association

By:   /s/ Charles F. Bowman
      ______________________
      Charles F. Bowman
      Senior Vice President


Columbia Management Group, LLC
Columbia Management Advisors, LLC

By:   /s/ Keith Banks
      ______________________
      Keith Banks
      President

Banc of America Securities Holdings Corporation

By:   /s/ Robert Qutub
      ______________________
      Robert Qutub
      President

Banc of America Securities LLC

By:   /s/ Richard E. Konefal
      ______________________
      Richard E. Konefal
      Senior Vice President







                                                                   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 Kforce  Inc.  beneficially
owned by each of them.  This Joint  Filing  Agreement  shall be  included as an
exhibit to such Schedule 13G.


Dated:     February 7, 2007

Bank of America Corporation
NB Holdings Corporation
Bank of America, National Association

By:   /s/ Charles F. Bowman
      ______________________
      Charles F. Bowman
      Senior Vice President


Columbia Management Group, LLC
Columbia Management Advisors, LLC

By:   /s/ Keith Banks
      ______________________
      Keith Banks
      President

Banc of America Securities Holdings Corporation

By:   /s/ Robert Qutub
      ______________________
      Robert Qutub
      President







Banc of America Securities LLC

By:   /s/ Richard E. Konefal
      ______________________
      Richard E. Konefal
      Senior Vice President