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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 ySqOZUMdQVF2or78E8EykQ==

<SEC-DOCUMENT>0001225208-09-025203.txt : 20091231
<SEC-HEADER>0001225208-09-025203.hdr.sgml : 20091231
<ACCEPTANCE-DATETIME>20091231161600
ACCESSION NUMBER:		0001225208-09-025203
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091230
FILED AS OF DATE:		20091231
DATE AS OF CHANGE:		20091231

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BERKSHIRE HATHAWAY INC
		CENTRAL INDEX KEY:			0001067983
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				470813844
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1440 KIEWIT PLZ
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68131
		BUSINESS PHONE:		4023461400

	MAIL ADDRESS:	
		STREET 1:		1440 KIEWIT PLAZA
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NBH INC
		DATE OF NAME CHANGE:	19980810

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BILL & MELINDA GATES FOUNDATION TRUST
		CENTRAL INDEX KEY:			0001166559
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14905
		FILM NUMBER:		091268718

	BUSINESS ADDRESS:	
		STREET 1:		2365 CARILLON POINT
		CITY:			KIRKLAND
		STATE:			WA
		ZIP:			98033
		BUSINESS PHONE:		4258897900

	MAIL ADDRESS:	
		STREET 1:		2365 CARILLON POINT
		CITY:			KIRKLAND
		STATE:			WA
		ZIP:			98033

	FORMER NAME:	
		FORMER CONFORMED NAME:	GATES BILL & MELINDA FOUNDATION
		DATE OF NAME CHANGE:	20020205
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<TEXT>
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        <issuerName>BERKSHIRE HATHAWAY INC</issuerName>
        <issuerTradingSymbol>BRK.B</issuerTradingSymbol>
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            <rptOwnerName>BILL &amp; MELINDA GATES FOUNDATION TRUST</rptOwnerName>
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        <reportingOwnerAddress>
            <rptOwnerStreet1>1551 EASTLAKE AVENUE E.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SEATTLE</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98102</rptOwnerZipCode>
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            <securityTitle>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
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                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <sharesOwnedFollowingTransaction>
                    <value>1581751</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
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            <transactionDate>
                <value>2009-12-30</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
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                    <value>30</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>1581721</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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                <transactionAcquiredDisposedCode>
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            <securityTitle>
                <value>Class B Common Stock</value>
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            <transactionDate>
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            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                    <value>60</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3285</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <transactionCode>S</transactionCode>
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                <transactionPricePerShare>
                    <value>3283</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>1581541</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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            <securityTitle>
                <value>Class B Common Stock</value>
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                <transactionCode>S</transactionCode>
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                <transactionShares>
                    <value>90</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3286</value>
                </transactionPricePerShare>
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                </transactionAcquiredDisposedCode>
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                <value>Class B Common Stock</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>120</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3287</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                    <value>1581331</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported in this filing were made pursuant to Bill &amp; Melinda Gates Foundation Trust's 10b5-1 sales plan to facilitate compliance with federal excise tax rules limiting excess business holdings by private foundations.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Bill &amp; Melinda Gates Foundation Trust By: /s/ Alan Heuberger, Attorney-in-fact for each of the Co-Trustees, William H. Gates III and Melinda French Gates</signatureName>
        <signatureDate>2009-12-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----