UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 13F

Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: June 30, 2008

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 August 13, 2008
---------------------------------- ------------------------- ---------------
[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: 104

Form 13F Information Table Value Total: $57,877,516
 (thousands)

Confidential information has been omitted from the Form 13F and filed separately with the Commission. Included in the confidential filing is information regarding Berkshire Hathaway's position in ConocoPhillips. At March 31, 2008, shares held in ConocoPhillips were included in Berkshire Hathaway's 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. 28-10388 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 Inc.
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
June 30, 2008 

 Column 6
 Column 4 Investment Discretion Column 8
 Column 2 Market Column 5 --------------------- Voting Authority
 Title Column 3 Value Shares or (b) (c) Column 7 --------------------------
Column 1 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 9 648,880 17,225,400 X 4, 2, 5, 17 17,225,400
 301,157 7,994,634 X 4, 13, 17 7,994,634
 4,530,039 120,255,879 X 4, 14, 17 120,255,879
 73,196 1,943,100 X 4, 3, 17, 19, 20, 21 1,943,100
 52,727 1,399,713 X 4, 16, 17 1,399,713
 31,636 839,832 X 4, 8, 17 839,832
 73,537 1,952,142 X 4, 17 1,952,142
Anheuser Busch
 Cos. Inc. Com 035229 10 3 848,112 13,652,800 X 4, 14, 17 13,652,800
 11,939 192,200 X 4, 18 192,200
Bank of America
 Corp. Com 060505 10 4 217,217 9,100,000 X 4, 9, 10, 11, 14, 17 9,100,000
Burlington
 Northern
 Santa Fe Com 12189T 10 4 6,371,525 63,785,418 X 4, 14, 17 63,785,418
Carmax Inc. Com 143130 10 2 302,247 21,300,000 X 4, 9, 10, 11, 14, 17 21,300,000
Coca Cola Com 191216 10 0 20,792 400,000 X 4, 17 400,000
 92,316 1,776,000 X 4, 15, 17 1,776,000
 374,547 7,205,600 X 4, 3, 17, 19, 20, 21 7,205,600
 2,086,560 40,141,600 X 4, 2, 5, 17 40,141,600
 7,274,373 139,945,600 X 4, 14, 17 139,945,600
 475,056 9,139,200 X 4, 13, 17 9,139,200
 24,950 480,000 X 4, 16, 17 480,000
 47,406 912,000 X 4, 7, 17 912,000
Comcast Corp CLA SPL 20030N 20 0 225,120 12,000,000 X 4, 9, 10, 11, 14, 17 12,000,000
Comdisco
 Holding Co. Com 200334 10 0 11,630 1,217,795 X 4, 14, 17 1,217,795
 2,892 302,862 X 4, 2, 5, 17 302,862
 164 17,209 X 4, 13, 17 17,209
Costco
 Wholesale
 Corp. Com 22160K 10 5 368,516 5,254,000 X 4, 14, 17 5,254,000
Gannett Inc. Com 364730 10 1 74,709 3,447,600 X 4, 14, 17 3,447,600
General
 Electric Co. Com 369604 10 3 207,592 7,777,900 X 4 7,777,900
GlaxoSmithKline ADR 37733W 10 5 66,794 1,510,500 X 4, 14, 17 1,510,500
Home Depot Inc. Com 437076 10 2 97,919 4,181,000 X 4, 9, 10, 11, 14, 17 4,181,000
Ingersoll-Rd
 Company LTD. CLA G4776G 10 1 23,805 636,600 X 4 636,000
 187,150 5,000,000 X 4, 9, 10, 11, 14, 17 5,000,000
Iron Mountain
 Inc. Com 462846 10 6 89,532 3,372,200 X 4, 9, 10, 11, 14, 17 3,372,200
 ----------
 25,214,035
 ==========

BERKSHIRE HATHAWAY INC.
Form 13F Information Table
June 30, 2008 

 Column 6
 Column 4 Investment Discretion Column 8
 Column 2 Market Column 5 --------------------- Voting Authority
 Title Column 3 Value Shares or (b) (c) Column 7 --------------------------
Column 1 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 4 278,110 4,322,500 X 4 4,322,500
 1,303,934 20,266,300 X 4, 2, 5, 17 20,266,300
 1,697,685 26,386,148 X 4, 14, 17 26,386,148
 20,930 325,300 X 4, 3, 17, 19, 20, 21 325,300
 584,670 9,087,200 X 4, 13, 17 9,087,200
 50,957 792,000 X 4, 2, 5, 12, 17 792,000
 36,995 575,000 X 4, 18 575,000
Kraft Foods
 Inc. Com 50075N 10 4 2,538,377 89,222,400 X 4, 14, 17 89,222,400
 875,984 30,790,300 X 4, 2, 5, 17 30,790,300
 284,500 10,000,000 X 4, 3, 17, 19, 20, 21 10,000,000
 7,391 259,800 X 4, 2, 5, 12, 17 259,800
 227,600 8,000,000 X 4 8,000,000
Lowes Companies
 Inc. Com 548661 10 7 145,250 7,000,000 X 4, 9, 10, 11, 14, 17 7,000,000
M & T Bank
 Corporation Com 55261F 10 4 423,477 6,003,360 X 4, 14, 17 6,003,360
 38,515 546,000 X 4, 9, 10, 11, 14, 17 546,000
 11,688 165,700 X 4, 13, 17 165,700
Moody's Com 615369 10 5 1,111,744 32,280,600 X 4, 14, 17 32,280,600
 541,376 15,719,400 X 4, 9, 10, 11, 14, 17 15,719,400
NRG Energy,
 Inc. Com 629377 50 8 138,914 3,238,100 X 4, 9, 10, 11, 14, 17 3,238,100
Nike Inc. Com 654106 10 3 455,480 7,641,000 X 4, 9, 10, 11, 14, 17 7,641,000
Norfolk
 Southern
 Corp. Com 655844 10 8 121,141 1,933,000 X 4, 2, 5, 17 1,933,000
Procter &
 Gamble Co. Com 742718 10 9 3,557,385 58,500,000 X 4, 14, 17 58,500,000
 1,322,739 21,752,000 X 4, 2, 5, 17 21,752,000
 379,454 6,240,000 X 4, 13, 17 6,240,000
 435,065 7,154,500 X 4, 3, 17, 19, 20, 21 7,154,500
 47,432 780,000 X 4, 15, 17 780,000
 94,864 1,560,000 X 4, 7, 17 1,560,000
 333,573 5,485,500 X 4, 9, 10, 11, 14, 17 5,485,500
 266,044 4,375,000 X 4 4,375,000
Sanofi Aventis ADR 80105N 10 5 16,232 488,500 X 4, 9, 10, 11, 14, 17 488,500
 96,238 2,896,133 X 4, 14, 17 2,896,133
 5,626 169,300 X 4, 13, 17 169,300
 11,631 350,000 X 4, 2, 5, 12, 17 350,000
Sun Trusts
 Banks Inc. Com 867914 10 3 84,921 2,344,600 X 4, 14, 17 2,344,600
 31,149 860,000 X 4, 2, 5, 17 860,000
Torchmark Corp. Com 891027 10 4 4,548 77,551 X 1, 4, 14, 17 77,551
 26,377 449,728 X 4, 2, 5, 17 449,728
 97,177 1,656,900 X 4, 14, 17 1,656,900
 37,518 639,700 X 4, 13, 17 639,700
 ----------
 17,742,691
 ==========

BERKSHIRE HATHAWAY INC.
Form 13F Information Table
June 30, 2008 

 Column 6
 Column 4 Investment Discretion Column 8
 Column 2 Market Column 5 --------------------- Voting Authority
 Title Column 3 Value Shares or (b) (c) Column 7 --------------------------
Column 1 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
--------------- -------- ------------ ----------- ----------- ---- -------- ------- -------------------- ----------- ------ -------
US Bancorp Com 902973 30 4 650,041 23,307,300 X 4, 2, 5, 17 23,307,300
 785,757 28,173,426 X 4, 14, 17 28,173,426
 233,300 8,365,000 X 4 8,365,000
 135,721 4,866,300 X 4, 3, 17, 19, 20, 21 4,866,300
 60,633 2,174,000 X 4, 2, 5, 12, 17 2,174,000
 48,668 1,745,000 X 4, 18 1,745,000
USG Corporation Com 903293 40 5 504,825 17,072,192 X 4, 14, 17 17,072,192
Union Pacific
 Corp. Com 907818 10 8 672,403 8,906,000 X 4, 2, 5, 17 8,906,000
United Parcel
 Service Inc. Com 911312 10 6 87,853 1,429,200 X 4 1,429,200
United Health
 Group Inc. Com 91324P 10 2 168,000 6,400,000 X 4, 9, 10, 11, 14, 17 6,400,000
Wabco Holdings
 Inc. Com 92927K 10 2 125,442 2,700,000 X 4, 9, 10, 11, 14, 17 2,700,000
Wal-Mart
 Stores, Inc. Com 931142 10 3 1,067,704 18,998,300 X 4, 14, 17 18,998,300
 53,165 946,000 X 4, 9, 10, 11, 14, 17 946,000

Washington Post
 Co. Cl B 939640 10 8 524,867 894,304 X 4, 14, 17 894,304
 87,044 148,311 X 4, 5, 1, 6, 14, 17 148,311
 380,408 648,165 X 4, 13, 17 648,165
 21,706 36,985 X 4, 15, 17 36,985
Wells Fargo &
 Co. Del Com 949746 10 1 1,270,374 53,489,420 X 4, 2, 5, 17 53,489,420
 300,276 12,643,200 X 4, 3, 17, 19, 20, 21 12,643,200
 909,935 38,313,040 X 4, 13, 17 38,313,040
 66,215 2,788,000 X 4, 15, 17 2,788,000
 23,750 1,000,000 X 4, 17 1,000,000
 3,077,798 129,591,488 X 4, 14, 17 129,591,488
 38,231 1,609,720 X 4, 16, 17 1,609,720
 40,375 1,700,000 X 4, 8, 17 1,700,000
 19,475 820,000 X 4, 7, 17 820,000
 475,000 20,000,000 X 4, 9, 10, 11, 14, 17 20,000,000
 380,000 16,000,000 X 4, 1, 6, 14, 17 16,000,000
 190,000 8,000,000 X 4 8,000,000
 64,125 2,700,000 X 4, 2, 5, 12, 17 2,700,000
 47,500 2,000,000 X 4, 18 2,000,000
Wellpoint Inc. Com 949773V 10 7 228,768 4,800,000 X 4, 9, 10, 11, 14, 17 4,800,000
Wesco Finl
 Corp. Com 950817 10 6 2,181,431 5,703,087 X 4, 3, 17 5,703,087
 -----------
 14,920,790
 -----------
 GRAND TOTAL $57,877,516
 ===========