Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
BUFFETT WARREN E
2. Issuer Name and Ticker or Trading Symbol
BERKSHIRE HATHAWAY INC [BRK.A]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman of the Board
(Last)
(First)
(Middle)

1440 KIEWIT PLAZA
3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2005
(Street)


OMAHA, NE 68131
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Class B Common Stock             177 I As executor of estate (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Class A Common Stock               (3)   (3) Class B Common Stock
 
  474,998
D
 
Class A Common Stock               (3)   (3) Class B Common Stock
 
  23,322
I
As executor of estate (1)
Class A Common Stock   08/26/2005   G(4)   1,094   (3)   (3) Class B Common Stock
 
(3) 10
I
By trust (5)
Class A Common Stock   09/06/2005   G(4)   10   (3)   (3) Class B Common Stock
 
(3) 0
I
By trust (5)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BUFFETT WARREN E
1440 KIEWIT PLAZA
OMAHA, NE 68131
  X   X   Chairman of the Board  

Signatures

/s/ Warren E. Buffett 02/14/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) These shares are owned by the estate of Susan T. Buffett, the late wife of the reporting person. The reporting person serves as executor of such estate. The reporting person does not have a pecuniary interest in these shares and disclaims beneficial ownership of them for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.
(2) Each share of Class A Common Stock is convertible at any time at the option of the holder into 30 shares of Class B Common Stock.
(3) Not applicable.
(4) Distributions by trusts to their beneficiaries.
(5) These shares are owned by trusts for which the reporting person is trustee. The reporting person does not have a pecuniary interest in these shares and disclaims beneficial ownership of them for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.
 
Remarks:
In accordance with the instructions to Form 5, the reporting person's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II instead of Table I.

Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.

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