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, 2011 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: Senior Vice President Phone: 402-346-1400 Signature, Place, and Date of Signing: (s) Marc D. Hamburg Omaha, NE May 16, 2011 ------------------------------------- ------------------------- ------------ [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: 95 Form 13F Information Table Value Total: $53,601,706 (thousands) Confidential information has been omitted from the Form 13F and filed separately with the Commission. 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. 28-10388 BH Columbia Inc. 3. 28- BH Finance LLC 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. 28-06102 Cypress Insurance Company 9. 28-11217 Fechheimer Brothers Company 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, 2011 Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 ------------------------- -------- ----------- ------------ ----------- --------------------- ------------- ----------------------- Investment Discretion Market --------------------- Voting Authority Value Shares or (b) (c) ----------------------- 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 9 778,588 17,225,400 X 5, 2, 6, 17 17,225,400 361,357 7,994,634 X 5, 13, 17 7,994,634 5,435,566 120,255,879 X 5, 14, 17 120,255,879 87,828 1,943,100 X 5, 4, 17, 19, 1,943,100 20, 21 63,267 1,399,713 X 5, 16, 17 1,399,713 37,960 839,832 X 5, 9, 17 839,832 88,237 1,952,142 X 5, 17 1,952,142 Bank of New York Mellon Corp. Com 064058 10 0 53,584 1,793,915 X 5, 1, 14, 17 1,793,915 Coca Cola Com 191216 10 0 26,536 400,000 X 5, 17 400,000 117,820 1,776,000 X 5, 15, 17 1,776,000 478,020 7,205,600 X 5, 4, 17, 19, 7,205,600 20, 21 2,662,994 40,141,600 X 5, 2, 6, 17 40,141,600 9,283,991 139,945,600 X 5, 14, 17 139,945,600 606,295 9,139,200 X 5, 13, 17 9,139,200 31,843 480,000 X 5, 16, 17 480,000 60,502 912,000 X 5, 8, 17 912,000 Comdisco Holding Co. Com 200334 10 0 11,268 1,218,199 X 5, 14, 17 1,218,199 2,802 302,963 X 5, 3, 14, 17 302,963 159 17,215 X 5, 13, 17 17,215 ConocoPhillips Com 20825C 10 4 1,685,816 21,109,637 X 5, 14, 17 21,109,637 159,720 2,000,000 X 5, 13, 17 2,000,000 478,521 5,992,000 X 5, 10, 11, 5,992,000 14, 17 Costco Wholesale Corp. Com 22160K 10 5 317,722 4,333,363 X 5, 14, 17 4,333,363 Exxon Mobil Corp. Com 30231G 10 2 35,486 421,800 X 5 421,800 Gannett Inc. Com 364730 10 1 26,504 1,740,231 X 5, 14, 17 1,740,231 General Electric Co. Com 369604 10 3 155,947 7,777,900 X 5 7,777,900 GlaxoSmithKline ADR 37733W 10 5 58,018 1,510,500 X 5, 14, 17 1,510,500 Ingersoll-Rd Company LTD. CLA G4776G 10 1 30,725 636,600 X 5 636,000 ------------ 23,137,076 ============ BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2011 Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 ------------------------- -------- ----------- ------------ ----------- --------------------- ------------- ----------------------- Investment Discretion Market --------------------- Voting Authority Value Shares or (b) (c) ----------------------- 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 4 256,108 4,322,500 X 5 4,322,500 116,998 1,974,648 X 5, 1, 14, 17 1,974,648 888,230 14,991,217 X 5, 14, 17 14,991,217 825,758 13,936,841 X 5, 2, 6, 17 13,936,841 8,553 144,357 X 5, 4, 17, 19, 144,357 20, 21 126,321 2,132,000 X 5, 2, 6, 12, 2,132,000 17 34,069 575,000 X 5, 18 575,000 269,469 4,548,000 X 5, 10, 11, 4,548,000 14, 17 Kraft Foods Inc. Com 50075N 10 4 1,761,318 56,164,484 X 5, 14, 17 56,164,484 965,584 30,790,300 X 5, 2, 6, 17 30,790,300 313,600 10,000,000 X 5, 4, 17, 19, 10,000,000 20, 21 8,147 259,800 X 5, 2, 6, 12, 259,800 17 250,880 8,000,000 X 5 8,000,000 M & T Bank Corporation Com 55261F 10 4 411,653 4,653,026 X 5, 14, 17 4,653,026 48,305 546,000 X 5, 10, 11, 546,000 14, 17 14,579 164,795 X 5, 13, 17 164,795 Mastercard Inc. Com 57636Q 10 4 54,372 216,000 X 5, 10, 11, 216,000 14, 17 Moody's Com 615369 10 5 430,516 12,695,850 X 5, 14, 17 12,695,850 533,045 15,719,400 X 5, 10, 11, 15,719,400 14, 17 Procter & Gamble Co. Com 742718 10 9 2,297,128 37,291,036 X 5, 14, 17 37,291,036 1,249,248 20,280,000 X 5, 2, 6, 17 20,280,000 384,384 6,240,000 X 5, 13, 17 6,240,000 384,384 6,240,000 X 5, 4, 17, 19, 6,240,000 20, 21 48,048 780,000 X 5, 15, 17 780,000 96,096 1,560,000 X 5, 8, 17 1,560,000 269,500 4,375,000 X 5 4,375,000 Sanofi Aventis ADR 80105N 10 5 17,205 488,500 X 5, 10, 11, 488,500 14, 17 102,002 2,896,133 X 5, 14, 17 2,896,133 5,963 169,300 X 5, 13, 17 169,300 17,953 509,742 X 5, 2, 6, 12, 509,742 17 ------------ 12,189,416 ============ BERKSHIRE HATHAWAY INC. Form 13F Information Table March 31, 2011 Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 -------------------- -------- ----------- ------------ ----------- --------------------- ------------- ----------------------- Investment Discretion Market --------------------- Voting Authority Value Shares or (b) (c) ----------------------- 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 5,156 77,551 X 5, 1, 14, 17 77,551 29,898 449,728 X 5, 2, 6, 17 449,728 110,151 1,656,900 X 5, 14, 17 1,656,900 42,527 639,700 X 5, 13, 17 639,700 US Bancorp Com 902973 30 4 616,012 23,307,300 X 5, 2, 6, 17 23,307,300 548,920 20,768,826 X 5, 14, 17 20,768,826 221,087 8,365,000 X 5 8,365,000 264,300 10,000,000 X 5, 4, 17, 19, 20, 21 0,000,000 57,459 2,174,000 X 5, 2, 6, 12, 17 2,174,000 46,120 1,745,000 X 5, 18 1,745,000 70,814 2,679,300 X 5, 10, 11, 2,679,300 14, 17 USG Corporation Com 903293 40 5 284,423 17,072,192 X 5, 14, 17 17,072,192 United Parcel Service Inc. Com 911312 10 6 106,218 1,429,200 X 5 1,429,200 Wal-Mart Stores, Inc. Com 931142 10 3 1,764,034 33,891,142 X 5, 14, 17 33,891,142 218,610 4,200,000 X 5, 3, 14, 17 4,200,000 49,239 946,000 X 5, 10, 11, 946,000 14, 17 Washington Post Co. Cl B 939640 10 8 391,312 894,304 X 5, 14, 17 894,304 64,895 148,311 X 5, 1, 7, 14, 148,311 17 283,611 648,165 X 5, 13, 17 648,165 16,183 36,985 X 5, 15, 17 36,985 Wells Fargo & Co. Del Com 949746 10 1 1,967,681 62,052,396 X 5, 2, 6, 17 62,052,396 400,916 12,643,200 X 5, 4, 17, 19, 12,643,200 20, 21 1,476,442 46,560,770 X 5, 13, 17 46,560,770 88,407 2,788,000 X 5, 15, 17 2,788,000 31,710 1,000,000 X 5, 17 1,000,000 4,778,284 150,686,982 X 5, 14, 17 150,686,982 51,044 1,609,720 X 5, 16, 17 1,609,720 53,907 1,700,000 X 5, 9, 17 1,700,000 26,002 820,000 X 5, 8, 17 820,000 697,620 22,000,000 X 5, 10, 11, 22,000,000 14, 17 507,360 16,000,000 X 5, 1, 7, 14, 16,000,000 17 253,680 8,000,000 X 5 8,000,000 85,617 2,700,000 X 5, 2, 6, 12, 2,700,000 17 63,420 2,000,000 X 5, 18 2,000,000 166,478 5,250,000 X 5, 1, 14, 17 5,250,000 216,036 6,812,857 X 5, 3, 14, 17 6,812,857 Wesco Finl Corp. Com 950817 10 6 2,219,641 5,703,087 X 5, 4, 17 5,703,087 ------------ 18,275,214 ------------ GRAND TOTAL $ 53,601,706 ============