The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

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OMB Number: 3235-0006
Expires: July 31, 2015
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hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 06-30-2013
Check here if Amendment    Amendment Number:
This Amendment (Check only one.):    is a restatement.
   adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: BERKSHIRE HATHAWAY INC
Address: 3555 FARNAM STREET
OMAHA, NE  68131
Form 13F File Number: 028-04545

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: Senior Vice President
Phone: 402-346-1400
Signature, Place, and Date of Signing:
Marc D. Hamburg OmahaNE 08-14-2013
[Signature] [City, State] [Date]
Due to the 8 character limitation in Column 8 under the SOLE column in the Information Table, the actual value has been replaced with 99999999. Please note, in Column 5 under SHARES the number that should appear in Column 8 under SOLE also appears in Column 5.
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:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name
28-5194 General Re-New England Asset Management, Inc.
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 14
Form 13F Information Table Entry Total: 127
Form 13F Information Table Value Total: 89,031,205
(thousands)
Confidential information has been omitted from the public Form 13F report and filed separately with the U.S. Securities and Exchange Commission.
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 28-2226 Berkshire Hathaway Homestate Insurance Company
2 28-5678 Berkshire Hathaway Life Insurance Co. of Nebraska
3 28-14389 BH Finance LLC
4 28-554 Buffett, Warren E.
5 28-1517 Columbia Insurance Company
6 28-06102 Cypress Insurance Company
7 28-11217 Fechheimer Brothers Co.
8 28-852 GEICO Corporation
9 28-12941 Medical Protective Corp.
10 28-1066 National Fire & Marine Insurance Company
11 28-718 National Indemnity Company
12 28-5006 National Liability & Fire Insurance Company
13 28-11222 Nebraska Furniture Mart
14 28-12947 U.S. Investment Corporation