1 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, 2001 -------------- Check here if Amendment [ ]; Amendment Number: 1 ----- This Amendment (Check only one.): [X] is a restatement. [ ] 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 16, 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. ---- ----------------------------------------------- 2 Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 18 ------------- Form 13F Information Table Entry Total: 65 ------------- Form 13F Information Table Value Total: $ 28,451,030 ------------- (thousands) Confidential Information has been omitted from the public Form 13F and filed separately with the Commission. Included in this information is information regarding Berkshire's positions in four securities (First Data Corporation, Gap Inc., Nike* and US Bancorporation) included in its September 30, 2000 public Form 13F and one security (Liz Claiborne*) included in its December 31, 2000 public Form 13F. *The original filing should have also indicated Nike and Liz Claiborne which were omitted due to an oversight. 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. 3 BERKSHIRE HATHAWAY INC. 1440 KIEWIT PLAZA OMAHA, NEBRASKA 68131 TELEPHONE (402) 346-1400 FAX (402) 346-3375 May 15, 2001 Securities and Exchange Commission Judiciary Plaza 450 Fifth Street, N.W. Washington, DC 20549 Gentlemen: Enclosed herewith for filing is Amendment Number 1 to Form 13F for the Quarter ended March 31, 2001 for the following nineteen "Institutional Investment Managers": 13F File Number --------------- Berkshire Hathaway Inc. 28-4545 Berkshire Hathaway Life Ins. Co. of NE 28-5678 BHG Life Insurance Company 28-5676 Blue Chip Stamps 28-719 Warren E. Buffett 28-554 Columbia Insurance Company 28-1517 Cornhusker Casualty Company 28-2226 Cypress Insurance Company 28-6102 GEICO Corporation 28-852 Government Employees Insurance Company 28-101 National Fire & Marine Ins. Co. 28-1066 National Indemnity Company 28-718 National Liability and Fire Ins. Co. 28-5006 Nebraska Furniture Mart, Inc. 28-6104 OBH Inc. 28-717 Plaza Investment Managers 28-2740 Wesco Financial Corporation 28-1357 Wesco Financial Insurance Company 28-3091 Wesco Holdings Midwest, Inc. 28-3105 Yours truly, BERKSHIRE HATHAWAY INC. /s/ Marc D. Hamburg ------------------- Marc D. Hamburg Vice President Enclosures