Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Jain Ajit
2. Date of Event Requiring Statement (Month/Day/Year)
01/10/2018
3. Issuer Name and Ticker or Trading Symbol
BERKSHIRE HATHAWAY INC [BRK.A]
(Last)
(First)
(Middle)
100 FIRST STAMFORD PLACE, BHRG
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice Chairman
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

STAMFORD, CT 06902
6. Individual or Joint/Group Filing(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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Class B Common Stock 1,224
D
 
Class B Common Stock 134,395
I
By Jain Foundation Inc. (Non-Profit Corporation)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Class A Common Stock   (1)   (1) Class B Common Stock 100,500 (2) $ (2) D  
Class A Common Stock   (1)   (1) Class B Common Stock 103,500 (3) $ (3) I By Spouse
Class A Common Stock   (1)   (1) Class B Common Stock 81,000 (4) $ (4) I By the Ajit Jain GRAT Trust
Class A Common Stock   (1)   (1) Class B Common Stock 91,500 (5) $ (5) I By the Indrima Jain GRAT Trust

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Jain Ajit
100 FIRST STAMFORD PLACE
BHRG
STAMFORD, CT 06902
  X     Vice Chairman  

Signatures

Ajit Jain 01/18/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Not Applicable
(2) Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. The reporting person directly owns 67 shares of Class A Common Stock, which are convertible into 100,500 shares of Class B Common Stock.
(3) Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. The reporting person's spouse owns 69 shares of Class A Common Stock, which are convertible into 103,500 shares of Class B Common Stock.
(4) Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. A family-planning trust established by the reporting person for the benefit of the reporting person's children owns 54 shares of Class A Common Stock, which are convertible into 81,000 shares of Class B Common Stock.
(5) Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. A family-planning trust established by the spouse of the reporting person for the benefit of the reporting person's children owns 61 shares of Class A Common Stock, which are convertible into 91,500 shares of Class B Common Stock.

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