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, 2010 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, 2010 ------------------------------------- ------------------- ------------------ [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: 21 Form 13F Information Table Entry Total: 102 Form 13F Information Table Value Total: $50,934,475 (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.] FORM 13F NO. FILE NUMBER NAME --- ----------- ---- 1. 28-5678 Berkshire Hathaway Life Insurance Co. of Nebraska 2. 28-10388 BH Columbia Inc. 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. 28-06102 Cypress Insurance Company 8. 28-11217 Fechheimer Brothers Company 9. 28- GEC Investment Managers 10. 28-852 GEICO Corp. 11. 28-101 Government Employees Ins. Corp. 12. 28- Medical Protective Corp. 13. 28-1066 National Fire & Marine 14. 28-718 National Indemnity Co. 15. 28-5006 National Liability & Fire Ins. Co. 16. 28-11222 Nebraska Furniture Mart 17. 28-717 OBH LLC 18. 28- U.S. Investment Corp. 19. 28-1357 Wesco Financial Corp. 20. 28-3091 Wesco Financial Ins. Co. 21. 28-3105 Wesco Holdings Midwest, Inc. BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2010 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 9 710,720 17,225,400 X 4, 2, 5, 17 17,225,400 329,859 7,994,634 X 4, 13, 17 7,994,634 4,961,758 120,255,879 X 4, 14, 17 120,255,879 80,172 1,943,100 X 4, 3, 17, 19, 20, 21 1,943,100 57,752 1,399,713 X 4, 16, 17 1,399,713 34,651 839,832 X 4, 8, 17 839,832 80,545 1,952,142 X 4, 17 1,952,142 Bank of America Corp. Com 060505 10 4 89,250 5,000,000 X 4, 9, 10, 11, 14, 17 5,000,000 Becton Dickinson & Co. Com 075887 10 9 137,315 1,744,128 X 4, 9, 10, 11, 14, 17 1,744,128 Carmax Inc. Com 143130 10 2 194,075 7,725,900 X 4, 9, 10, 11, 14, 17 7,725,900 Coca Cola Com 191216 10 0 22,000 400,000 X 4, 17 400,000 97,680 1,776,000 X 4, 15, 17 1,776,000 396,308 7,205,600 X 4, 3, 17, 19, 20, 21 7,205,600 2,207,788 40,141,600 X 4, 2, 5, 17 40,141,600 7,697,008 139,945,600 X 4, 14, 17 139,945,600 502,656 9,139,200 X 4, 13, 17 9,139,200 26,400 480,000 X 4, 16, 17 480,000 50,160 912,000 X 4, 7, 17 912,000 Comcast Corp CLA SPL 20030N 20 0 215,640 12,000,000 X 4, 9, 10, 11, 14, 17 12,000,000 Comdisco Holding Co. Com 200334 10 0 10,477 1,218,199 X 4, 14, 17 1,218,199 2,605 302,963 X 4, 2, 5, 17 302,963 148 17,215 X 4, 13, 17 17,215 ConocoPhillips Com 20825C 10 4 1,339,592 26,179,249 X 4, 14, 17 26,179,249 102,340 2,000,000 X 4, 13, 17 2,000,000 307,020 6,000,000 X 4, 9, 10, 11, 14, 17 6,000,000 Costco Wholesale Corp. Com 22160K 10 5 258,745 4,333,363 X 4, 14, 17 4,333,363 Exxon Mobil Corp. Com 30231G 10 2 28,252 421,800 X 4 421,800 Gannett Inc. Com 364730 10 1 28,749 1,740,231 X 4, 14, 17 1,740,231 General Electric Co. Com 369604 10 3 141,558 7,777,900 X 4 7,777,900 GlaxoSmithKline ADR 37733W 10 5 58,184 1,510,500 X 4, 14, 17 1,510,500 Home Depot Inc. Com 437076 10 2 89,218 2,757,898 X 4, 9, 10, 11, 14, 17 2,757,898 Ingersoll-Rd Company LTD. CLA G4776G 10 1 22,177 636,600 X 4 636,000 174,350 5,000,000 X 4, 9, 10, 11, 14, 17 5,000,000 Iron Mountain Inc. Com 462846 10 6 213,578 7,794,800 X 4, 9, 10, 11, 14, 17 7,794,800 ----------- 20,668,730 ----------- BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2010 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 -------------- -------- ----------- ------------ ----------- ---- ------- ------- -------------------- ----------- ------ ------- Johnson & Johnson Com 478160 10 4 324,253 4,973,200 X 4 4,973,200 880,825 13,509,591 X 4, 2, 5, 17 13,509,591 9,412 144,357 X 4, 3, 17, 19, 20, 21 144,357 51,638 792,000 X 4, 2, 5, 12, 17 792,000 37,490 575,000 X 4, 18 575,000 254,104 3,897,300 X 4, 9, 10, 11, 14, 17 3,897,300 Kraft Foods Inc. Com 50075N 10 4 1,744,384 57,684,645 X 4, 14, 17 57,684,645 931,099 30,790,300 X 4, 2, 5, 17 30,790,300 302,400 10,000,000 X 4, 3, 17, 19, 20, 21 10,000,000 7,856 259,800 X 4, 2, 5, 12, 17 259,800 241,920 8,000,000 X 4 8,000,000 Lowes Companies Inc. Com 548661 10 7 157,560 6,500,000 X 4, 9, 10, 11, 14, 17 6,500,000 M & T Bank Corporation Com 55261F 10 4 385,119 4,851,581 X 4, 14, 17 4,851,581 43,341 546,000 X 4, 9, 10, 11, 14, 17 546,000 13,153 165,700 X 4, 13, 17 165,700 Moody's Com 615369 10 5 448,168 15,064,476 X 4, 14, 17 15,064,476 467,652 15,719,400 X 4, 9, 10, 11, 14, 17 15,719,400 NRG Energy, Inc. Com 629377 50 8 125,400 6,000,000 X 4, 9, 10, 11, 14, 17 6,000,000 Nalco Holding Co. Com 62985Q 10 1 218,970 9,000,000 X 4, 9, 10, 11, 14, 17 9,000,000 Nestle ADR 641069 40 6 174,429 3,400,000 X 4, 9, 10, 11, 14, 17 3,400,000 Nike Inc. Com 654106 10 3 561,613 7,641,000 X 4, 9, 10, 11, 14, 17 7,641,000 Procter & Gamble Co. Com 742718 10 9 2,506,870 39,621,784 X 4, 14, 17 39,621,784 1,283,116 20,280,000 X 4, 2, 5, 17 20,280,000 394,805 6,240,000 X 4, 13, 17 6,240,000 394,805 6,240,000 X 4, 3, 17, 19, 20, 21 6,240,000 49,351 780,000 X 4, 15, 17 780,000 98,701 1,560,000 X 4, 7, 17 1,560,000 276,806 4,375,000 X 4 4,375,000 Republic Services Inc. Com 760759 10 0 314,220 10,827,700 X 4, 9, 10, 11, 14, 17 10,827,700 Sanofi Aventis ADR 80105N 10 5 18,250 488,500 X 4, 9, 10, 11, 14, 17 488,500 108,200 2,896,133 X 4, 14, 17 2,896,133 6,325 169,300 X 4, 13, 17 169,300 13,076 350,000 X 4, 2, 5, 12, 17 350,000 ----------- 12,845,311 ----------- BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2010 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 -------------- -------- ----------- ------------ ----------- ---- ------- ------- -------------------- ----------- ------ ------- Torchmark Corp. Com 891027 10 4 4,130 77,551 X 1, 4, 14, 17 77,551 24,065 449,728 X 4, 2, 5, 17 449,728 88,661 1,656,900 X 4, 14, 17 1,656,900 34,230 639,700 X 4, 13, 17 639,700 US Bancorp Com 902973 30 4 603,193 23,307,300 X 4, 2, 5, 17 23,307,300 537,497 20,768,826 X 4, 14, 17 20,768,826 216,486 8,365,000 X 4 8,365,000 258,800 10,000,000 X 4, 3, 17, 19, 20, 21 10,000,000 56,263 2,174,000 X 4, 2, 5, 12, 17 2,174,000 45,161 1,745,000 X 4, 18 1,745,000 69,340 2,679,300 X 4, 9, 10, 11, 14, 17 2,679,300 USG Corporation Com 903293 40 5 292,959 17,072,192 X 4, 14, 17 17,072,192 United Parcel Service Inc. Com 911312 10 6 92,055 1,429,200 X 4 1,429,200 Wal-Mart Stores, Inc. Com 931142 10 3 1,884,347 33,891,142 X 4, 14, 17 33,891,142 52,598 946,000 X 4, 9, 10, 11, 14, 17 946,000 233,520 4,200,000 X 4 4,200,000 Washington Post Co. Cl B 939640 10 8 397,232 894,304 X 4, 14, 17 894,304 65,877 148,311 X 4, 5, 1, 6, 14, 17 148,311 287,902 648,165 X 4, 13, 17 648,165 16,428 36,985 X 4, 15, 17 36,985 Wells Fargo & Co. Del Com 949746 10 1 1,664,591 53,489,420 X 4, 2, 5, 17 53,489,420 393,456 12,643,200 X 4, 3, 17, 19, 20, 21 12,643,200 1,192,302 38,313,040 X 4, 13, 17 38,313,040 86,763 2,788,000 X 4, 15, 17 2,788,000 31,120 1,000,000 X 4, 17 1,000,000 4,674,602 150,212,148 X 4, 14, 17 150,212,148 50,094 1,609,720 X 4, 16, 17 1,609,720 52,904 1,700,000 X 4, 8, 17 1,700,000 25,518 820,000 X 4, 7, 17 820,000 684,640 22,000,000 X 4, 9, 10, 11, 14, 17 22,000,000 497,920 16,000,000 X 4, 1, 6, 14, 17 16,000,000 460,976 14,812,857 X 4 14,812,857 84,024 2,700,000 X 4, 2, 5, 12, 17 2,700,000 62,240 2,000,000 X 4, 18 2,000,000 Wesco Finl Corp. Com 950817 10 6 2,198,540 5,703,087 X 4, 3, 17 5,703,087 ----------- 17,420,343 ----------- GRAND TOTAL $50,934,475 ===========