SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                               _________________

                                 SCHEDULE 13G
                                (Rule 13d-102)

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


                                 Carmax, Inc.
                             --------------------
                               (Name of Issuer)

                         Common Stock, $.50 par value
                    --------------------------------------
                        (Title of Class of Securities)

                                   143130102
                             ---------------------
                                (CUSIP Number)

                               December 31, 2003
             -----------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)


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

     [ ]  Rule 13d-1(b)
     [X]  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 the
disclosures provided in a prior cover page.

The information required in the remainder of this cover 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).
                                  Page 1 of 9





CUSIP No. 143130102                  13G                 Page  2  of  9 Pages
-------------------------------------------------------------------------------

     1      NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
            Ziff Asset Management, L.P.
-------------------------------------------------------------------------------
     2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            [   ]  (a)
            [   ]  (b)
-------------------------------------------------------------------------------

     3      SEC USE ONLY
-------------------------------------------------------------------------------

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

         NUMBER OF                   5          SOLE VOTING POWER
          SHARES                                0
       BENEFICIALLY         ---------------------------------------------------
         OWNED BY
           EACH                      6          SHARED VOTING POWER
         REPORTING                              2,568,900
          PERSON            ---------------------------------------------------
           WITH
                                     7          SOLE DISPOSITIVE POWER
                                                0
                            ---------------------------------------------------

                                     8          SHARED DISPOSITIVE POWER
                                                2,568,900
-------------------------------------------------------------------------------

     9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            2,568,900
-------------------------------------------------------------------------------

    10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]

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

    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
            2.5%
-------------------------------------------------------------------------------

    12      TYPE OF REPORTING PERSON
            PN
-------------------------------------------------------------------------------





CUSIP No. 143130102                  13G                 Page  3  of  9 Pages
-------------------------------------------------------------------------------

     1      NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
            PBK Holdings, Inc.
-------------------------------------------------------------------------------

     2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            [   ]  (a)
            [   ]  (b)
-------------------------------------------------------------------------------

     3      SEC USE ONLY
-------------------------------------------------------------------------------

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

         NUMBER OF                   5          SOLE VOTING POWER
          SHARES                                0
       BENEFICIALLY         ---------------------------------------------------
         OWNED BY
           EACH                      6          SHARED VOTING POWER
         REPORTING                              2,568,900
          PERSON            ---------------------------------------------------
           WITH
                                     7          SOLE DISPOSITIVE POWER
                                                0
                            ---------------------------------------------------

                                     8          SHARED DISPOSITIVE POWER
                                                2,568,900
-------------------------------------------------------------------------------

     9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            2,568,900
-------------------------------------------------------------------------------

    10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]

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

    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
            2.5%
-------------------------------------------------------------------------------

    12      TYPE OF REPORTING PERSON
            CO
-------------------------------------------------------------------------------





CUSIP No. 143130102                 13G                  Page  4  of  9 Pages
-------------------------------------------------------------------------------

      1       NAME OF REPORTING PERSON
              I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
              Philip B. Korsant
-------------------------------------------------------------------------------

      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 of America
-------------------------------------------------------------------------------

         NUMBER OF                    5          SOLE VOTING POWER
           SHARES                                0
        BENEFICIALLY         --------------------------------------------------
          OWNED BY
            EACH                      6          SHARED VOTING POWER
         REPORTING                               2,568,900
           PERSON            --------------------------------------------------
            WITH
                                      7          SOLE DISPOSITIVE POWER
                                                 0
                             --------------------------------------------------

                                      8          SHARED DISPOSITIVE POWER
                                                 2,568,900
-------------------------------------------------------------------------------

      9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
              2,568,900
-------------------------------------------------------------------------------

     10       CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
              [ ]

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

     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
              2.5%
-------------------------------------------------------------------------------

     12       TYPE OF REPORTING PERSON
              IN
-------------------------------------------------------------------------------





Item 1(a).  Name of Issuer.

Carmax, Inc. ("Carmax")

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

4900 Cox Road
Glen Allen, VA  23060

Item 2(a).  Name of Person Filing.

This Schedule 13G is being filed on behalf of the following persons
("Reporting Persons")*:

(i)      Ziff Asset Management, L.P. ("ZAM")
(ii)     PBK Holdings, Inc. ("PBK")
(iii)    Philip B. Korsant

*        Attached as Exhibit A is a copy of an agreement among the Reporting
         Persons filing (as specified hereinabove) that this Schedule 13G is
         being filed on behalf of each of them.

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

Ziff Asset Management, L.P.
---------------------------
283 Greenwich Avenue
Greenwich, CT 06830

PBK Holdings, Inc.
------------------
283 Greenwich Avenue
Greenwich, CT 06830

Philip B. Korsant
-----------------
283 Greenwich Avenue
Greenwich, CT 06830

Item 2(c).  Citizenship.

See Item 4 of the attached cover pages.

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

Common Stock, $.50 par value

Item 2(e).  CUSIP Number.


                                 Page 5 of 9



143130102

Item 3.

Not applicable as this Schedule is filed pursuant to Rule 13d-1(c)

Item 4.  Ownership.

(a) Amount beneficially owned:
         See Item 9 of the attached cover pages.

(b) Percent of class:
         See Item 11 of the attached cover pages.

(c) Number of shares as to which such person has:

         (i)      Sole power to vote or direct the vote:
                       See Item 5 of the attached cover pages.

         (ii)     Shared power to vote or direct the vote:
                       See Item 6 of the attached cover pages.

         (iii)    Sole power to dispose or to direct the disposition:
                       See Item 7 of the attached cover pages.

         (iv)     Shared power to dispose or to direct the disposition:
                       See Item 8 of the attached cover pages.


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 persons have ceased to be the beneficial owners of more than
five percent of the class of securities, check the following [X].


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


                                 Page 6 of 9


           the Security Being Reported on by the Parent Holding Company.

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 I certify that, to the best of my knowledge and belief, the
securities referred to above were not acquired and are not held 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.


                                 Page 7 of 9



                                   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.

Date:    February 17, 2004


                             ZIFF ASSET MANAGEMENT, L.P.

                             By:      PBK Holdings, Inc., its general partner

                                      By: /s/ Frederick H. Fogel
                                          -----------------------------------
                                           Name: Frederick H. Fogel
                                           Title:   Vice President


                             PBK HOLDINGS, INC.


                             By:   /s/ Frederick H. Fogel
                                   ------------------------------------------
                                    Name: Frederick H. Fogel
                                    Title:  Vice President



                             By:  /s/ Philip B. Korsant
                                  -------------------------------------------
                                    Name: Philip B. Korsant


                                 Page 8 of 9



                                   EXHIBIT A


         The undersigned, Ziff Asset Management, L.P., a Delaware limited
partnership, PBK Holdings, Inc., a Delaware corporation, and Philip B Korsant,
hereby agree and acknowledge that the information required by this Schedule
13G, to which this Agreement is attached as an exhibit, is filed on behalf of
each of them. The undersigned further agree that any further amendments or
supplements thereto shall also be filed on behalf of each of them.

Dated:        February 17, 2004

                               ZIFF ASSET MANAGEMENT, L.P.

                               By:      PBK Holdings, Inc., its general partner

                                        By: /s/ Frederick H. Fogel
                                            -----------------------------------
                                             Name: Frederick H. Fogel
                                             Title:   Vice President


                               PBK HOLDINGS, INC.


                               By:   /s/ Frederick H. Fogel
                                     ------------------------------------------
                                      Name: Frederick H. Fogel
                                      Title:   Vice President



                               By:  /s/ Philip B. Korsant
                                    -------------------------------------------
                                      Name: Philip B. Korsant


                                 Page 9 of 9