THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON MAY 14, 2003 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH CONFIDENTIAL TREATMENT WAS DENIED ON SEPTEMBER 15, 2003. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2003 -------------- 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 September 23, 2003 -------------------- ---------------------- -------------------------- [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. -------- ----------------------------------------------- Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 6 --------------- Form 13F Information Table Entry Total: 3 --------------- Form 13F Information Table Value Total: $ 690,029 --------------- (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. 28-554 Buffett, Warren E. 2. 28-852 GEICO Corp. 3. 28-101 Government Employees Ins. Corp. 4. 28-718 National Indemnity Co. 5. 28-717 OBH Inc. 6. 28-2740 Plaza Investment Managers BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2003 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 -------------- ----- ------ -------------- ------ ---- ------- ----- -------- Duke Energy Corp. Com 264399 10 6 69,994 4,813,900 X 1, 2, 3, 4, 5, 6 First Data Corporation Com 319963 10 4 316,043 8,539,400 X 1, 2, 3, 4, 5, 6 Iron Mountain Inc. Com 462846 10 6 303,992 7,947,500 X 1, 2, 3, 4, 5, 6 -------- $690,029 ======== Column 8 Voting Authority ------------------------------- Column 1 (a) (b) (c) Name of Issuer Sole Shared None -------------- ---- ------ ---- Duke Energy Corp. 4,813,900 First Data Corporation 8,539,400 Iron Mountain Inc. 7,947,500