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THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON FEBRUARY
14, 2000 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH
CONFIDENTIAL TREATMENT WAS DENIED ON JANUARY 31, 2001.

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: December 31, 1999

Check here if Amendment [X]; Amendment Number: 3
        This Amendment (Check only one.):        [ ]  is a restatement.
                                                 [X]  adds new holdings entries.
Institutional Investment Manager Filing this Report:

Name:          Berkshire Hathaway Inc.
               -------------------------
Address:       1440 Kiewit Plaza
               -------------------------
               Omaha, NE 68131
               -------------------------

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

Form 13F File Number:   28-4545

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:          Marc D. Hamburg
               -------------------------
Title:         Vice President
               -------------------------
Phone:         402-346-1400
               -------------------------

Signature, Place, and Date of Signing:

 (s) Marc D. Hamburg            Omaha, NE                 February 7, 2001
----------------------------    ---------------------     ----------------------
[Signature]                     [City, State]             [Date]

Report Type (Check only one.):

[ ]  13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
     are reported in this report.)

[ ]  13F NOTICE. (Check here if no holdings reported are in this report, and all
     holdings are reported by other reporting manager(s).)

[X]  13F COMBINATION REPORT. (Check here if a portion of the holdings for this
     reporting manager are reported in this report and a portion are reported by
     other reporting manager(s).)

List of Other Managers Reporting for this Manager:

        Form 13F File Number    Name

        28- 5194                General Re - New England Asset Management, Inc.
           ------               -----------------------------------------------


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                              Form 13F SUMMARY PAGE


Report Summary:


Number of Other Included Managers:                                 18
                                                            -----------------

Form 13F Information Table Entry Total:                            6
                                                            -----------------

Form 13F Information Table Value Total:                       $   480,507
                                                            -----------------
                                                                (thousands)


List of Other Included Managers:



Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.

[If there are no entries in this list, state "NONE" and omit the column headings
and list entries.]



    NO.       FORM 13F FILE NUMBER      NAME
                                  
     1.       28-5678                   Berkshire Hathaway Life Insurance Co. of Nebraska
     2.       28-5676                   BHG Life Insurance Co.
     3.       28-719                    Blue Chip Stamps
     4.       28-554                    Buffett, Warren E.
     5.       28-1517                   Columbia Insurance Co.
     6.       28-2226                   Cornhusker Casualty Co.
     7.       28-6102                   Cypress Insurance Co.
     8.       28-852                    GEICO Corp.
     9.       28-101                    Government Employees Ins. Corp.
    10.       28-1066                   National Fire & Marine
    11.       28-718                    National Indemnity Co.
    12.       28-5006                   National Liability & Fire Ins. Co.
    13.       28-6104                   Nebraska Furniture Mart
    14.       28-717                    OBH Inc.
    15.       28-2740                   Plaza Investment Managers
    16.       28-1357                   Wesco Financial Corp.
    17.       28-3091                   Wesco Financial Ins. Co.
    18.       28-3105                   Wesco Holdings Midwest, Inc.



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                             BERKSHIRE HATHAWAY INC.
                           Form 13F Information Table
                                December 31, 1999




                                                                                             Column 6
                                                                                       Investment Discretion
                                                      Column 4        Column 5      ---------------------------
                         Column 2      Column 3        Market        Shares or                            (c)       Column 7
Column 1                 Title of       CUSIP           Value        Principal       (a)  (b) Shared -  Shared-      Other
Name of Issuer             Class        Number     (In Thousands)      Amount       Sole    Defined      Other      Managers
--------------           --------    -----------   --------------    ---------      ----   ---------    -------     --------
                                                                                         
Costco Companies            Com      22160Q 10 2          32,394       355,000                X                  4, 11, 14
Walt Disney Company         Com      254687 10 6          20,472       699,913                X                  4, 11, 14
                                                          58,703     2,006,943                X                  4, 10, 14
                                                         230,195     7,869,906                X                  4, 1, 2, 6, 11, 14
                                                          46,039     1,573,980                X                  4, 13, 14
Nucor Corp.                 Com      670340 10 5          92,704     1,691,300                X                  4, 11, 14
                                                        --------
                       GRAND TOTAL                      $480,507
                                                        ========






                                          Column 8
                                      Voting Authority
                          -------------------------------------
Column 1                     (a)             (b)          (c)
Name of Issuer               Sole           Shared        None
--------------            ---------         ------        ----
                                                 
Costco Companies            355,000
Walt Disney Company         699,913
                          2,006,943
                          7,869,906
                          1,573,980
Nucor Corp.               1,691,300