Berkshire Hathaway Inc. – ‘13F-HR/A’ for 9/30/06

On:  Tuesday, 5/15/07, at 4:14pm ET   ·   Effective:  5/15/07   ·   For:  9/30/06   ·   Accession #:  950134-7-11635   ·   File #:  28-04545

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Amendment to Quarterly Holdings and Combination Report by a Money Manager   —   Form 13F
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 13F-HR/A    Amendment to Quarterly Holdings and Combination        3     10K 
                Report by a Money Manager                                        

13F-HR/A
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THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON NOVEMBER
14, 2006 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH         
CONFIDENTIAL TREATMENT EXPIRED ON MAY 15, 2007.                                 

 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, 2006               

Check here if Amendment [X]; Amendment Number: 2                                

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, 2007          
-----------------------        --------------------       --------------------- 
[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.

13F-HR/A
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 Form 13F SUMMARY PAGE

Report Summary:                                                                 

Number of Other Included Managers:                  4                           
                         ---------------

Form 13F Information Table Entry Total:             3                           
                         ---------------

Form 13F Information Table Value Total:      $   492,803                        
                         ---------------
                       (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.]                                                              

                                                                [Download Table]

NO.        FORM 13F FILE NUMBER            NAME                      
                                                                     
 1.        28-10388                        BH Columbia Inc.          
 2.        28-554                          Buffett, Warren E.        
 3.        28-1517                         Columbia Insurance Company
 4.        28-717                          OBH Inc.                  

13F-HR/A
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 BERKSHIRE HATHAWAY INC.
Form 13F Information Table
September 30, 2006

                                                        [Enlarge/Download Table]

                                                                          Column 6                                                 
                                                                    Investment Discretion                         Column 8         
                                          Column 4     Column 5   --------------------------                   Voting Authority    
                 Column 2   Column 3       Market      Shares or                       (c)      Column 7     ----------------------
Column 1         Title of    CUSIP         Value       Principal   (a) (b) Shared -  Shared-      Other      (a)       (b)     (c) 
Name of Issuer     Class     Number    (In Thousands)   Amount    Sole    Defined     Other      Managers    Sole     Shared   None
--------------   --------   --------   --------------  ---------  ---- ------------  -------    ---------    ----     ------   ----
                                                                                                                                   
Burlington                                                                                                                         
  Northern                                                                                                                         
  Santa Fe          Com   12189T 10 4        73,234      997,200           X                  1, 2, 3, 4     997,200               
Norfolk Southern                                                                                                                   
  Corp              Com   655844 10 8       141,920    3,221,800           X                  1, 2, 3, 4   3,221,800               
Union Pacific                                                                                                                      
  Corp              Com   907818 10 8       277,649    3,155,100           X                  1, 2, 3, 4   3,155,100               
                                           --------                                                                                
                                           $492,803                                                                                
                                           ========                                                                                

Dates Referenced Herein   and   Documents Incorporated by Reference

				Referenced-On Page
This ‘13F-HR/A’ Filing		Date		First		Last			Other Filings
Filed on / Effective on:		5/15/07		1					13F-HR,  13F-HR/A,  13FCONP,  424B3
		5/14/07		1					3,  424B3
		11/14/06		1					13F-HR
For Period end:		9/30/06		1		3			10-Q,  13F-HR,  13F-HR/A,  13FCONP
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