content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <!-- Field: Pseudo-Tag; ID: Name; Data: ORBIMED CAPITAL LLC -->
            <cik>0001157524</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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      <issuerInfo>
        <issuerCik>0001787297</issuerCik>
        <issuerName>Passage BIO, Inc.</issuerName>
        <secFileNumber>001-39231</secFileNumber>
        <issuerAddress>
          <com:street1>One Commerce Square</com:street1>
          <com:street2>2005 Market Street, 39th Floor</com:street2>
          <com:city>Philadelphia</com:city>
          <com:stateOrCountry>PA</com:stateOrCountry>
          <com:zipCode>19103</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>2678660312</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Worldwide Healthcare Trust PLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Owner</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Themis Trading LLC</name>
          <address>
            <com:street1>10 Town Square</com:street1>
            <com:street2>Suite 100</com:street2>
            <com:city>Chatham</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>07928</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>241328</noOfUnitsSold>
        <aggregateMarketValue>194751.70</aggregateMarketValue>
        <noOfUnitsOutstanding>61767286</noOfUnitsOutstanding>
        <approxSaleDate>09/16/2024</approxSaleDate>
        <securitiesExchangeName>Nasdaq Stock Market</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>03/03/2020</acquiredDate>
        <natureOfAcquisitionTransaction>IPO</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>241328</amountOfSecuritiesAcquired>
        <paymentDate>03/03/2020</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>OrbiMed Capital LLC is the portfolio manager of Worldwide Healthcare Trust PLC.</remarks>
      <noticeSignature>
        <noticeDate>09/16/2024</noticeDate>
        <signature>/s/ Douglas Coon, Chief Compliance Officer, OrbiMed Capital LLC, portfolio manager of Worldwide Healthcare Trust PLC</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001157524
  XXXXXXXX
  LIVE
  0001787297
  Passage BIO, Inc.
  001-39231
  One Commerce Square
  2005 Market Street, 39th Floor
  Philadelphia
  PA
  19103
  2678660312
  Worldwide Healthcare Trust PLC
  Owner
  Common Stock
  Themis Trading LLC
  10 Town Square
  Suite 100
  Chatham
  NJ
  07928
  241328
  194751.70
  61767286
  09/16/2024
  Nasdaq Stock Market
  Common Stock
  03/03/2020
  IPO
  Issuer
  N
  241328
  03/03/2020
  N/A
  Y
  OrbiMed Capital LLC is the portfolio manager of Worldwide Healthcare Trust PLC.
  09/16/2024
  /s/ Douglas Coon, Chief Compliance Officer, OrbiMed Capital LLC, portfolio manager of Worldwide Healthcare Trust PLC