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

Form 13F

Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: September 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 November 14, 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: 109

Form 13F Information Table Value Total: $69,889,879
 (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.] 

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
 September 30, 2008


 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 9 610,296 17,225,400 X 4, 2, 5, 17 17,225,400
 283,250 7,994,634 X 4, 13, 17 7,994,634
 4,260,666 120,255,879 X 4, 14, 17 120,255,879
 68,844 1,943,100 X 4, 3, 17, 19, 20, 21 1,943,100
 49,592 1,399,713 X 4, 16, 17 1,399,713
 29,755 839,832 X 4, 8, 17 839,832
 69,164 1,952,142 X 4, 17 1,952,142
Anheuser Busch Cos.
 Inc. Com 035229 10 3 885,794 13,652,800 X 4, 14, 17 13,652,800
 12,470 192,200 X 4, 18 192,200
Bank of America
 Corp. Com 060505 10 4 175,000 5,000,000 X 4, 9, 10, 11, 14, 17 5,000,000
Burlington Northern
 Santa Fe Com 12189T 10 4 5,895,686 63,785,418 X 4, 14, 17 63,785,418
Carmax Inc. Com 143130 10 2 258,217 18,444,100 X 4, 9, 10, 11, 14, 17 18,444,100
Coca Cola Com 191216 10 0 21,152 400,000 X 4, 17 400,000
 93,915 1,776,000 X 4, 15, 17 1,776,000
 381,032 7,205,600 X 4, 3, 17, 19, 20, 21 7,205,600
 2,122,688 40,141,600 X 4, 2, 5, 17 40,141,600
 7,400,323 139,945,600 X 4, 14, 17 139,945,600
 483,281 9,139,200 X 4, 13, 17 9,139,200
 25,382 480,000 X 4, 16, 17 480,000
 48,227 912,000 X 4, 7, 17 912,000
Comcast Corp CLA SPL 20030N 20 0 236,640 12,000,000 X 4, 9, 10, 11, 14, 17 12,000,000
Comdisco Holding Co. Com 200334 10 0 11,585 1,218,199 X 4, 14, 17 1,218,199
 2,881 302,963 X 4, 2, 5, 17 302,963
 164 17,215 X 4, 13, 17 17,215
ConocoPhillips Com 20825C 10 4 5,563,762 75,955,800 X 4, 14, 17 75,955,800
 146,500 2,000,000 X 4, 13, 17 2,000,000
 439,500 6,000,000 X 4, 9, 10, 11, 14, 17 6,000,000
Costco Wholesale
 Corp. Com 22160K 10 5 341,142 5,254,000 X 4, 14, 17 5,254,000
Eaton Corporation Com 278058 10 2 163,411 2,908,700 X 4, 9, 10, 11, 14, 17 2,908,700
Gannett Inc. Com 364730 10 1 58,299 3,447,600 X 4, 14, 17 3,447,600
General Electric Co. Com 369604 10 3 198,336 7,777,900 X 4 7,777,900
GlaxoSmithKline ADR 37733W 10 5 65,646 1,510,500 X 4, 14, 17 1,510,500
Home Depot Inc. Com 437076 10 2 95,793 3,700,000 X 4, 9, 10, 11, 14, 17 3,700,000
Ingersoll-Rd Company
 LTD. CLA G4776G 10 1 19,824 636,600 X 4 636,000
 155,850 5,000,000 X 4, 9, 10, 11, 14, 17 5,000,000
Iron Mountain Inc. Com 462846 10 6 82,315 3,372,200 X 4, 9, 10, 11, 14, 17 3,372,200
 ----------
 30,756,382
 ----------

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

 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 4 299,463 4,322,500 X 4 4,322,500
 1,404,049 20,266,300 X 4, 2, 5, 17 20,266,300
 1,828,032 26,386,148 X 4, 14, 17 26,386,148
 22,537 325,300 X 4, 3, 17, 19, 20, 21 325,300
 629,561 9,087,200 X 4, 13, 17 9,087,200
 54,870 792,000 X 4, 2, 5, 12, 17 792,000
 39,836 575,000 X 4, 18 575,000
Kraft Foods Inc. Com 50075N 10 4 2,922,034 89,222,400 X 4, 14, 17 89,222,400
 1,008,382 30,790,300 X 4, 2, 5, 17 30,790,300
 327,500 10,000,000 X 4, 3, 17, 19, 20, 21 10,000,000
 8,508 259,800 X 4, 2, 5, 12, 17 259,800
 262,000 8,000,000 X 4 8,000,000
Lowes Companies Inc. Com 548661 10 7 153,985 6,500,000 X 4, 9, 10, 11, 14, 17 6,500,000
M & T Bank
 Corporation Com 55261F 10 4 535,800 6,003,360 X 4, 14, 17 6,003,360
 48,730 546,000 X 4, 9, 10, 11, 14, 17 546,000
 14,789 165,700 X 4, 13, 17 165,700
Moody's Com 615369 10 5 1,097,540 32,280,600 X 4, 14, 17 32,280,600
 534,460 15,719,400 X 4, 9, 10, 11, 14, 17 15,719,400
NRG Energy, Inc. Com 629377 50 8 123,750 5,000,000 X 4, 9, 10, 11, 14, 17 5,000,000
Nike Inc. Com 654106 10 3 511,183 7,641,000 X 4, 9, 10, 11, 14, 17 7,641,000
Norfolk Southern
 Corp. Com 655844 10 8 127,984 1,933,000 X 4, 2, 5, 17 1,933,000
Procter & Gamble Co. Com 742718 10 9 4,076,865 58,500,000 X 4, 14, 17 58,500,000
 1,515,897 21,752,000 X 4, 2, 5, 17 21,752,000
 434,866 6,240,000 X 4, 13, 17 6,240,000
 498,597 7,154,500 X 4, 3, 17, 19, 20, 21 7,154,500
 54,358 780,000 X 4, 15, 17 780,000
 108,716 1,560,000 X 4, 7, 17 1,560,000
 382,284 5,485,500 X 4, 9, 10, 11, 14, 17 5,485,500
 304,894 4,375,000 X 4 4,375,000
Sanofi Aventis ADR 80105N 10 5 16,057 488,500 X 4, 9, 10, 11, 14, 17 488,500
 95,196 2,896,133 X 4, 14, 17 2,896,133
 5,565 169,300 X 4, 13, 17 169,300
 11,505 350,000 X 4, 2, 5, 12, 17 350,000
Sun Trusts Banks
 Inc. Com 867914 10 3 105,484 2,344,600 X 4, 14, 17 2,344,600
 38,691 860,000 X 4, 2, 5, 17 860,000
Torchmark Corp. Com 891027 10 4 4,638 77,551 X 1, 4, 14, 17 77,551
 26,894 449,728 X 4, 2, 5, 17 449,728
 99,083 1,656,900 X 4, 14, 17 1,656,900
 38,254 639,700 X 4, 13, 17 639,700
 -----------
 19,772,837
 -----------

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

 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
-------------------- -------- ------------ ----------- ----------- ---- ------- ------- -------------------- ----------- ------ ----
US Bancorp Com 902973 30 4 839,529 23,307,300 X 4, 2, 5, 17 23,307,300
 942,086 26,154,526 X 4, 14, 17 26,154,526
 301,307 8,365,000 X 4 8,365,000
 360,200 10,000,000 X 4, 3, 17, 19, 20, 21 10,000,000
 78,307 2,174,000 X 4, 2, 5, 12, 17 2,174,000
 62,855 1,745,000 X 4, 18 1,745,000
 42,910 1,191,300 X 4, 9, 10, 11, 14, 17 1,191,300
USG Corporation Com 903293 40 5 437,048 17,072,192 X 4, 14, 17 17,072,192
Union Pacific Corp. Com 907818 10 8 633,751 8,906,000 X 4, 2, 5, 17 8,906,000
United Parcel
 Service Inc. Com 911312 10 6 89,882 1,429,200 X 4 1,429,200
United Health Group
 Inc. Com 91324P 10 2 161,986 6,379,900 X 4, 9, 10, 11, 14, 17 6,379,900
Wabco Holdings Inc. Com 92927K 10 2 95,958 2,700,000 X 4, 9, 10, 11, 14, 17 2,700,000
Wal-Mart Stores,
 Inc. Com 931142 10 3 1,137,808 18,998,300 X 4, 14, 17 18,998,300
 56,656 946,000 X 4, 9, 10, 11, 14, 17 946,000
Washington Post Co. Cl B 939640 10 8 497,913 894,304 X 4, 14, 17 894,304
 82,574 148,311 X 4, 5, 1, 6, 14, 17 148,311
 360,872 648,165 X 4, 13, 17 648,165
 20,592 36,985 X 4, 15, 17 36,985
Wells Fargo & Co.
 Del Com 949746 10 1 2,007,458 53,489,420 X 4, 2, 5, 17 53,489,420
 474,499 12,643,200 X 4, 3, 17, 19, 20, 21 12,643,200
 1,437,888 38,313,040 X 4, 13, 17 38,313,040
 104,634 2,788,000 X 4, 15, 17 2,788,000
 37,530 1,000,000 X 4, 17 1,000,000
 4,854,291 129,344,288 X 4, 14, 17 129,344,288
 60,413 1,609,720 X 4, 16, 17 1,609,720
 63,801 1,700,000 X 4, 8, 17 1,700,000
 30,775 820,000 X 4, 7, 17 820,000
 750,600 20,000,000 X 4, 9, 10, 11, 14, 17 20,000,000
 600,480 16,000,000 X 4, 1, 6, 14, 17 16,000,000
 300,240 8,000,000 X 4 8,000,000
 101,331 2,700,000 X 4, 2, 5, 12, 17 2,700,000
 75,060 2,000,000 X 4, 18 2,000,000
Wellpoint Inc. Com 949773V 10 7 223,424 4,777,300 X 4, 9, 10, 11, 14, 17 4,777,300
Wesco Finl Corp. Com 950817 10 6 2,036,002 5,703,087 X 4, 3, 17 5,703,087
 -----------
 19,360,660
 -----------
 GRAND TOTAL $69,889,879
 ===========