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THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON NOVEMBER
14, 2000 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH
CONFIDENTIAL TREATMENT EXPIRED ON MAY 15, 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: September 30, 2000

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                     May 14, 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:  $1,826,315
                                         ----------
                                        (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
                               September 30, 2000



                                                                       Column 6
                                         Column 4                Investment Discretion                              Column 8
                                          Market      Column 5   ---------------------                          Voting Authority
                  Column 2   Column 3     Value      Shares or                       (c)    Column 7            ----------------
Column 1          Title of    CUSIP        (In       Principal  (a)   (b)Shared -  Shared-   Other          (a)       (b)       (c)
Name of Issuer     Class      Number     Thousands)   Amount    Sole    Defined     Other   Managers        Sole     Shared     None
--------------     -----      ------     ----------   ------    ----    -------     -----   --------        ----     ------     ----
                                                                                               
Federal Home Ln
Mtg Corp.           Com     313400 30 1  1,149,278   21,259,300             X              4,11,14        21,259,300
                                            45,389      839,600             X              4,3,14,16,        839,600
                                                                                           17,18
                                           299,941    5,548,300             X              4,8,9,11,       5,548,300
                                                                                           14,15
                                            97,308    1,800,000             X              4,8,11,14,15    1,800,000
General Dynamics
Corp.               Com     369550 10 8    139,481    2,220,677             X              4,11,14         2,220,677
                                            94,918    1,511,200             X              4,10,14         1,511,200
                                        ----------
                   GRAND TOTAL          $1,826,315
                                        ==========