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, 2005 -------------- 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 13, 2005 ---------------------------- ------------------------ ------------ [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: 20 ------------- Form 13F Information Table Entry Total: 68 ------------- Form 13F Information Table Value Total: $ 35,241,352 ------------- (thousands) Confidential Information has been omitted from the public Form 13F and filed with the Commission. Included in this information is information regarding Berkshire's position in Sun Trust Banks Inc. included in its June 30, 2004 public Form 13F. 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- Cypress Insurance Company 9. 28- Fechheimer Brothers Company 10. 28-852 GEICO Corp. 11. 28-101 Government Employees Ins. Corp. 12. 28-1066 National Fire & Marine 13. 28-718 National Indemnity Co. 14. 28-5006 National Liability & Fire Ins. Co. 15. 28- Nebraska Furniture Mart 16. 28-717 OBH Inc. 17. 28-2740 Plaza Investment Managers 18. 28-1357 Wesco Financial Corp. 19. 28-3091 Wesco Financial Ins. Co. 20. 28-3105 Wesco Holdings Midwest, Inc. BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2005 Column 6 Column 4 Investment Discretion Column 8 Market Column 5 --------------------- Voting Authority Column 2 Column 3 Value Shares or (b) (c) Column 7 ------------------------ Column 1 Title of CUSIP (In Principal (a) Shared- Shared- Other (a) (b) (c) Name of Issuer Class Number Thousands) Amount $ Sole Defined Other Managers Sole Shared None -------------- -------- -------- ---------- ----------- ---- ------- ------- ------------------- ----------- ------ ---- American Express Co. Com 025816 10 9 884,869 17,225,400 X 5, 2, 6, 16 17,225,400 410,684 7,994,634 X 5, 12, 16 7,994,634 6,177,545 120,255,879 X 5, 13, 16 120,255,879 99,817 1,943,100 X 5, 4, 16, 18, 19, 20 1,943,100 71,903 1,399,713 X 5, 15, 16 1,399,713 43,142 839,832 X 5, 9, 16 839,832 100,282 1,952,142 X 5, 16 1,952,142 American Standard Companies Com 029712 10 6 487,942 10,497,900 X 5, 10, 11, 13, 16, 17 10,497,900 Block H & R Com 093671 10 5 683,381 13,510,900 X 5, 13, 16 13,510,900 Coca Cola Com 191216 10 0 16,668 400,000 X 5, 16 400,000 74,006 1,776,000 X 5, 14, 16 1,776,000 300,257 7,205,600 X 5, 4, 16, 18, 19, 20 7,205,600 1,672,701 40,141,600 X 5, 2, 6, 16 40,141,600 5,831,533 139,945,600 X 5, 13, 16 139,945,600 380,830 9,139,200 X 5, 12, 16 9,139,200 20,002 480,000 X 5, 15, 16 480,000 38,003 912,000 X 5, 8, 16 912,000 Comcast Corp CLA SPL 20030N 20 0 334,400 10,000,000 X 5, 10, 11, 13, 16, 17 10,000,000 Comdisco Holding Co. Com 200334 10 0 16,840 1,202,832 X 5, 13, 16 1,202,832 4,188 299,148 X 5, 2, 6, 16 299,148 238 16,998 X 5, 12, 16 16,998 Costco Wholesale Corp. Com 22160K 10 5 232,122 5,254,000 X 5, 13, 16 5,254,000 Dean Foods Co. Com 242370 10 4 12,880 375,500 X 5, 10, 11, 13, 16, 17 375,500 First Data Corporation Com 319963 10 4 314,480 8,000,000 X 5, 10, 11, 13, 16, 17 8,000,000 Gannett Inc. Com 364730 10 1 272,636 3,447,600 X 5, 13, 16 3,447,600 Gap Inc. Com 364760 10 8 337,084 15,434,243 X 5, 10, 11, 13, 16, 17 15,434,243 The Gillette Co. Com 375766 10 2 3,028,800 60,000,000 X 5, 13, 16 60,000,000 1,049,984 20,800,000 X 5, 2, 6, 16 20,800,000 323,072 6,400,000 X 5, 12, 16 6,400,000 323,072 6,400,000 X 5, 4, 16, 18, 19, 20 6,400,000 40,384 800,000 X 5, 14, 16 800,000 80,768 1,600,000 X 5, 8, 16 1,600,000 251,390 4,980,000 X 5, 10, 11, 13, 16, 17 4,980,000 ---------- 23,915,903 ---------- BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2005 Column 6 Column 4 Investment Discretion Column 8 Market Column 5 --------------------- Voting Authority Column 2 Column 3 Value Shares or (b) (c) Column 7 ------------------------ Column 1 Title of CUSIP (In Principal (a) Shared- Shared- Other (a) (b) (c) Name of Issuer Class Number Thousands) Amount $ Sole Defined Other Managers Sole Shared None -------------- -------- -------- ---------- ----------- ---- ------- ------- ------------------- ----------- ------ ---- Iron Mountain Inc. Com 462846 10 6 144,200 5,000,000 X 5, 8, 11, 13, 16, 17 5,000,000 M & T Bank Corporation Com 55261F 10 4 612,060 5,997,060 X 5, 13, 16 5,997,060 55,725 546,000 X 5, 10, 11, 13, 16, 17 546,000 16,911 165,700 X 5, 12, 16 165,700 Moody's Com 615369 10 5 1,305,105 16,140,300 X 5, 13, 16 16,140,300 635,535 7,859,700 X 5, 10, 11, 13, 16, 17 7,859,700 Mueller Industries Com 624756 10 2 23,978 851,800 X 5, 13, 16 851,800 Nike Inc. Com 654106 10 3 206,159 2,474,600 X 5, 10, 11, 13, 16, 17 2,474,600 Outback Steakhouse Inc. Com 689899 10 2 83,283 1,818,800 X 5, 10, 11, 13, 16, 17 1,818,800 Petrochina Co LTD ADR 71646E 10 0 4,609 72,900 X 5, 13, 16 72,900 37,053 586,100 X 5, 10, 11, 13, 16, 17 586,100 Pier 1 Imports Inc. Com 720279 10 8 145,840 8,000,000 X 5, 10, 11, 13, 16, 17 8,000,000 Proctor & Gamble Co. Com 742718 10 9 33,390 630,000 X 5, 10, 11, 13, 16, 17 630,000 Sealed Air Corporation Com 81211K 10 0 57,825 1,113,300 X 5, 13, 16 1,113,300 Servicemaster Company Com 81760N 10 9 75,757 5,611,600 X 5, 10, 11, 13, 16, 17 5,611,600 Shaw Communications Inc. Cl B 82028K 20 0 448,360 22,000,000 X 5, 10, 11, 13, 16, 17 22,000,000 Torchmark Corp. Com 891027 10 4 4,048 77,551 X 5, 1, 13, 16 77,551 23,476 449,728 X 5, 2, 6, 16 449,728 47,392 907,900 X 5, 13, 16 907,900 33,392 639,700 X 5, 12, 16 639,700 USG Corporation Com 903293 40 5 215,540 6,500,000 X 5, 13, 16 6,500,000 Washington Post Co. Cl B 939640 10 8 799,508 894,304 X 5, 13, 16 894,304 132,590 148,311 X 5, 1, 3, 7, 13, 16 148,311 579,460 648,165 X 5, 12, 16 648,165 33,065 36,985 X 5, 14, 16 36,985 Wells Fargo & Co. Del Com 949746 10 1 771,575 12,902,590 X 5, 2, 6, 16 12,902,590 61,092 1,021,600 X 5, 4, 16, 18, 19, 20 1,021,600 7,234 120,970 X 5, 12, 16 120,970 83,361 1,394,000 X 5, 14, 16 1,394,000 59,800 1,000,000 X 5, 16 1,000,000 2,296,581 38,404,360 X 5, 13, 16 38,404,360 36,171 604,860 X 5, 15, 16 604,860 50,830 850,000 X 5, 9, 16 850,000 8,970 150,000 X 5, 8, 16 150,000 Wesco Finl Corp. Com 950817 10 6 2,195,574 5,703,087 X 5, 4, 16 5,703,087 ----------- 11,325,449 ----------- GRAND TOTAL $35,241,352 ===========