<SEC-DOCUMENT>0000947484-23-000059.txt : 20230504
<SEC-HEADER>0000947484-23-000059.hdr.sgml : 20230504
<ACCEPTANCE-DATETIME>20230504121046
ACCESSION NUMBER:		0000947484-23-000059
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230331
FILED AS OF DATE:		20230504
DATE AS OF CHANGE:		20230504
EFFECTIVENESS DATE:		20230504

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCH CAPITAL GROUP LTD.
		CENTRAL INDEX KEY:			0000947484
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				980374481
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-20964
		FILM NUMBER:		23887422

	BUSINESS ADDRESS:	
		STREET 1:		WATERLOO HOUSE, GROUND FLOOR
		STREET 2:		100 PITTS BAY ROAD
		CITY:			PEMBROKE
		STATE:			D0
		ZIP:			HM 08
		BUSINESS PHONE:		441-278-9250

	MAIL ADDRESS:	
		STREET 1:		WATERLOO HOUSE, GROUND FLOOR
		STREET 2:		100 PITTS BAY ROAD
		CITY:			PEMBROKE
		STATE:			D0
		ZIP:			HM 08

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARCH CAPITAL GROUP LTD
		DATE OF NAME CHANGE:	20000508

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RISK CAPITAL HOLDINGS INC
		DATE OF NAME CHANGE:	19950816

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RISK CAPITAL RE INC
		DATE OF NAME CHANGE:	19950703
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<edgarSubmission xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:com="http://www.sec.gov/edgar/common" xmlns="http://www.sec.gov/edgar/thirteenffiler">
  <schemaVersion>X0202</schemaVersion>
  <headerData>
    <submissionType>13F-HR</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
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      <filer>
        <credentials>
          <cik>0000947484</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>03-31-2023</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>03-31-2023</reportCalendarOrQuarter>
      <filingManager>
        <name>ARCH CAPITAL GROUP LTD.</name>
        <address>
          <com:street1>WATERLOO HOUSE, GROUND FLOOR</com:street1>
          <com:street2>100 PITTS BAY ROAD</com:street2>
          <com:city>PEMBROKE</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM 08</com:zipCode>
        </address>
      </filingManager>
      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-20964</form13FFileNumber>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Francois Morin</name>
      <title>EVP, Chief Financial Officer and Treasurer</title>
      <phone>1-441-278-9250</phone>
      <signature>Francois Morin</signature>
      <city>Pembroke</city>
      <stateOrCountry>D0</stateOrCountry>
      <signatureDate>05-02-2023</signatureDate>
    </signatureBlock>
    <summaryPage>
      <otherIncludedManagersCount>1</otherIncludedManagersCount>
      <tableEntryTotal>2</tableEntryTotal>
      <tableValueTotal>276315</tableValueTotal>
      <isConfidentialOmitted>false</isConfidentialOmitted>
      <otherManagers2Info>
        <otherManager2>
          <sequenceNumber>1</sequenceNumber>
          <otherManager>
            <name>Arch Investment Management Ltd.</name>
          </otherManager>
        </otherManager2>
      </otherManagers2Info>
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<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>information_table.xml
<DESCRIPTION>INFORMATION TABLE
<TEXT>
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<?xml version="1.0" encoding="UTF-8"?><informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><infoTable><nameOfIssuer>ISHARES TR</nameOfIssuer><titleOfClass>IBOXX HI YD ETF</titleOfClass><cusip>464288513</cusip><value>2267</value><shrsOrPrnAmt><sshPrnamt>30000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>1</otherManager><votingAuthority><Sole>30000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ISHARES TR</nameOfIssuer><titleOfClass>ISHS 1-5YR INVS</titleOfClass><cusip>464288646</cusip><value>274048</value><shrsOrPrnAmt><sshPrnamt>5422939</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>1</otherManager><votingAuthority><Sole>5422939</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable></informationTable><!-- Other Managers: 1|Arch Investment Management Ltd.|||| --><!-- tableEntryCount=2 tableValueTotal=276315 -->
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