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 [ ]; 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: 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, 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: 17 ---------------- Form 13F Information Table Entry Total: 64 ---------------- Form 13F Information Table Value Total: $ 26,467,920 ---------------- (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 two securities (First Data Corporation and Iron Mountain Inc.) included in its December 31, 2002 public Form 13F as amended. 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- BH Columbia Inc. 3. 28-5676 BHG Life Insurance Co. 4. 28-719 Blue Chip Stamps 5. 28-554 Buffett, Warren E. 6. 28-1517 Columbia Insurance Co. 7. 28-2226 Cornhusker Casualty 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. 28-717 OBH Inc. 14. 28-2740 Plaza Investment Managers 15. 28-1357 Wesco Financial Corp. 16. 28-3091 Wesco Financial Ins. Co. 17. 28-3105 Wesco Holdings Midwest, Inc. BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2003 Column 6 Column 4 Investment Discretion Column 8 Column Market Column 5 ---------------------- Voting Authority Column 1 2 Column 3 Value Shares or (b) (c) Column 7 ---------------- Name of Title of CUSIP (In Principal (a) Shared- Shared- Other (a) (b) (c) Issuer Class Number Thousands) Amount $ Sole Defined Other Managers Sole Shared None ------ ----- ------ ---------- -------- ---- ------- ----- -------- ---- ------ ---- American Express Co. Com 025816 10 9 572,400 17,225,400 X 5, 2, 6, 13 17,225,400 265,662 7,994,634 X 5, 10, 13 7,994,634 3,996,103 120,255,879 X 5, 11, 13 120,255,879 64,569 1,943,100 X 5, 4, 13, 15, 16, 17 1,943,100 139,290 4,191,687 X 5, 13 4,191,687 American Standard Companies Com 029712 10 6 222,264 3,232,000 X 5, 8, 9, 11, 13, 14 3,232,000 Block H & R Com 093671 10 5 683,006 15,999,200 X 5, 11, 13 15,999,200 Coca Cola Com 191216 10 0 72,540 1,792,000 X 5, 13 1,792,000 71,892 1,776,000 X 5, 12, 13 1,776,000 291,683 7,205,600 X 5, 4, 13, 15, 16, 17 7,205,600 1,624,932 40,141,600 X 5, 2, 6, 13 40,141,600 5,664,998 139,945,600 X 5, 11, 13 139,945,600 369,955 9,139,200 X 5, 10, 13 9,139,200 Comdisco Holding Co. Com 200334 10 0 156,625 1,163,201 X 5, 11, 13 1,163,201 38,905 288,935 X 5, 2, 6, 13 288,935 2,213 16,437 X 5, 10, 13 16,437 Costco Wholesale Corp. Com 22160K 10 5 157,778 5,254,000 X 5, 11, 13 5,254,000 Dover Corp. Com 260003 10 8 108,990 4,500,000 X 5, 8, 9, 11, 13, 14 4,500,000 Dun & Bradstreet Corp. Com 26483E 10 0 26,010 680,000 X 5, 8, 9, 11, 13, 14 680,000 GATX Corp. Com 361448 10 3 65,749 4,540,700 X 5, 11, 13 4,540,700 40,544 2,800,000 X 5, 8, 9, 11, 13, 14 2,800,000 Gannett Inc. Com 364730 10 1 256,140 3,636,800 X 5, 11, 13 3,636,800 Gap Inc. Com 364760 10 8 289,800 20,000,000 X 5, 8, 9, 11, 13, 14 20,000,000 The Gillette Co. Com 375766 10 2 1,856,400 60,000,000 X 5, 11, 13 60,000,000 643,552 20,800,000 X 5, 2, 6, 13 20,800,000 198,016 6,400,000 X 5, 10, 13 6,400,000 198,016 6,400,000 X 5, 4, 13, 15, 16, 17 6,400,000 24,752 800,000 X 5, 12, 13 800,000 49,504 1,600,000 X 5, 13 1,600,000 Great Lakes Chemical Corp. Com 390568 10 3 154,261 6,948,700 X 5, 8, 9, 11, 13, 14 6,948,700 Level 3 Communi- cations Com 52729N 10 0 4,536 879,000 X 5, 11, 13 879,000 ---------- 18,311,085 ---------- BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2003 Column 6 Column Column 4 Investment Discretion Column 8 2 Market Column 5 --------------------- Voting Authority Column 1 Title Column 3 Value Shares or (b) (c) Column 7 ---------------- Name of of CUSIP (In Principal (a) Shared- Shared Other (a) (b) (c) Issuer Class Number Thousands) Amount $ Sole Defined -Other Managers Sole Shared None ------ ----- ------ ---------- -------- ---- ------- ----- -------- ---- ------ ---- M & T Bank Corpora- tion Com 55261F 10 4 471,249 5,997,060 X 5 11, 13 5,997,060 42,905 546,000 X 5, 8, 9, 11, 13, 14 546,000 13,021 165,700 X 5, 10, 13 165,700 Moody's Com 615369 10 5 746,166 16,140,300 X 5, 11, 13 16,140,300 363,354 7,859,700 X 5, 8, 9, 11, 13, 14 7,859,700 Mueller Industries Com 624756 10 2 61,948 2,480,900 X 5, 11, 13 2,480,900 Nike Inc. Com 654106 10 3 308,520 6,000,000 X 5, 8, 9, 11, 13, 14 6,000,000 Outback Steakhouse Inc. Com 689899 10 2 66,072 1,867,500 X 5, 8, 9, 11, 13, 14 1,867,500 Petrochina Co LTD ADR 71646E 10 0 1,521 72,900 X 5, 11, 13 72,900 13,473 645,900 X 5, 8, 9, 11, 13, 14 645,900 Sealed Air Corpora- tion Com 81211K 10 0 100,036 2,492,800 X 5, 11, 13 2,492,800 Sealed Air Corpora- tion PFD CVA 81211K 20 9 32,393 704,500 X 5, 11, 13 704,500 Shaw Communica- tions Inc. Cl B 82028K 20 0 231,200 22,000,000 X 5, 8, 9, 11, 13, 14 22,000,000 Sun Trusts Banks Inc. Com 867914 10 3 260,423 4,946,300 X 5, 11, 13 4,946,300 45,279 860,000 X 5, 2, 6, 13 860,000 Torchmark Corp. Com 891027 10 4 2,776 77,551 X 5, 1, 11, 13 77,551 16,100 449,728 X 5, 2, 6, 13 449,728 27,609 771,200 X 5, 11, 13 771,200 22,901 639,700 X 5, 10, 13 639,700 USG Corpora- tion Com 903293 40 5 27,040 6,500,000 X 5, 11, 13 6,500,000 Washington Post Co. Cl B 939640 10 8 609,343 894,304 X 5, 11, 13 894,304 101,053 148,311 X 5, 1, 3, 7, 11, 13 148,311 441,634 648,165 X 5, 10, 13 648,165 25,200 36,985 X 5, 12, 13 36,985 Wells Fargo & Co. Del Com 949746 10 1 572,650 12,728,390 X 5, 2, 6, 13 12,728,390 45,962 1,021,600 X 5, 4, 13, 15, 16, 17 1,021,600 5,442 120,970 X 5, 10, 13 120,970 62,716 1,394,000 X 5, 12, 13 1,394,000 72,203 1,604,860 X 5, 13 1,604,860 1,637,423 36,395,260 X 5, 11, 13 36,395,260 Wesco Finl Corp. Com 950817 10 6 1,699,520 5,703,087 X 5, 4, 13 5,703,087 WilTel Communica- tions Com 972487 10 2 20,043 1,590,696 X 5, 11, 13 1,590,696 Zenith National Ins. Corp. Com 989390 10 9 9,660 451,355 X 5, 11, 13 451,355 ----------- 8,156,835 ----------- GRAND TOTAL $26,467,920 ===========