<SEC-DOCUMENT>0001140361-17-020771.txt : 20170515
<SEC-HEADER>0001140361-17-020771.hdr.sgml : 20170515
<ACCEPTANCE-DATETIME>20170515170214
ACCESSION NUMBER:		0001140361-17-020771
CONFORMED SUBMISSION TYPE:	13F-HR/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20160630
FILED AS OF DATE:		20170515
DATE AS OF CHANGE:		20170515
EFFECTIVENESS DATE:		20170515

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BERKLEY W R CORP
		CENTRAL INDEX KEY:			0000011544
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				221867895
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-06504
		FILM NUMBER:		17845468

	BUSINESS ADDRESS:	
		STREET 1:		475 STEAMBOAT ROAD
		STREET 2:		.
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		2036293000

	MAIL ADDRESS:	
		STREET 1:		475 STEAMBOAT ROAD
		STREET 2:		.
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>13F-HR/A</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0000011544</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>06-30-2016</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>06-30-2016</reportCalendarOrQuarter>
      <isAmendment>true</isAmendment>
      <amendmentNo>3</amendmentNo>
      <amendmentInfo>
        <amendmentType>NEW HOLDINGS</amendmentType>
      </amendmentInfo>
      <filingManager>
        <name>BERKLEY W R CORP</name>
        <address>
          <com:street1>475 STEAMBOAT ROAD</com:street1>
          <com:street2>.</com:street2>
          <com:city>GREENWICH</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06830</com:zipCode>
        </address>
      </filingManager>
      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-06504</form13FFileNumber>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>This filing lists securities holdings reported on the Form 13F filed August 15, 2016 for which confidential treatment was rejected and/or expires on May 15, 2017.</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Richard M. Baio</name>
      <title>Senior Vice President - Chief Financial Officer, Treasurer</title>
      <phone>203-629-3007</phone>
      <signature>Richard M. Baio</signature>
      <city>Greenwich</city>
      <stateOrCountry>CT</stateOrCountry>
      <signatureDate>05-15-2017</signatureDate>
    </signatureBlock>
    <summaryPage>
      <otherIncludedManagersCount>0</otherIncludedManagersCount>
      <tableEntryTotal>1</tableEntryTotal>
      <tableValueTotal>6785</tableValueTotal>
      <isConfidentialOmitted>false</isConfidentialOmitted>
    </summaryPage>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>form13fInfoTable.xml
<TEXT>
<XML>
<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>SUFFOLK BANCORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>864739107</cusip>
			<value>6785</value>
			<shrsOrPrnAmt>
				<sshPrnamt>216675</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>216675</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
</informationTable>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
