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  <infoTable>
    <nameOfIssuer>BOOKING HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09857L108</cusip>
    <value>8133</value>
    <shrsOrPrnAmt>
      <sshPrnamt>4661</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>4661</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COSTAR GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22160N109</cusip>
    <value>62254</value>
    <shrsOrPrnAmt>
      <sshPrnamt>133472</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>133472</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EDITAS MEDICINE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28106W103</cusip>
    <value>4540</value>
    <shrsOrPrnAmt>
      <sshPrnamt>185668</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>185668</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENTERA BIO LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>M40527109</cusip>
    <value>853</value>
    <shrsOrPrnAmt>
      <sshPrnamt>203190</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>203190</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FACEBOOK INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>30303M102</cusip>
    <value>7010</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42053</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42053</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GRITSTONE ONCOLOGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>39868T105</cusip>
    <value>2587</value>
    <shrsOrPrnAmt>
      <sshPrnamt>194499</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>194499</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LPL FINANCIAL HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>50212V100</cusip>
    <value>7084</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101712</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101712</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NANTHEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>630104107</cusip>
    <value>109</value>
    <shrsOrPrnAmt>
      <sshPrnamt>118503</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>118503</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NANTKWEST INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>63016Q102</cusip>
    <value>879</value>
    <shrsOrPrnAmt>
      <sshPrnamt>556453</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>556453</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLAYA HOTELS &amp; RESORTS NV</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N70544106</cusip>
    <value>2289</value>
    <shrsOrPrnAmt>
      <sshPrnamt>300000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>300000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SABINE ROYALTY TRUST</nameOfIssuer>
    <titleOfClass>UNIT BEN INT</titleOfClass>
    <cusip>785688102</cusip>
    <value>15509</value>
    <shrsOrPrnAmt>
      <sshPrnamt>335564</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>335564</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIENNA BIOPHARMACEUTICALS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>82622H108</cusip>
    <value>686</value>
    <shrsOrPrnAmt>
      <sshPrnamt>295613</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>295613</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SORRENTO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>83587F202</cusip>
    <value>1975</value>
    <shrsOrPrnAmt>
      <sshPrnamt>415765</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>415765</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UROGEN PHARMA LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>M96088105</cusip>
    <value>19504</value>
    <shrsOrPrnAmt>
      <sshPrnamt>527999</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>527999</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BARCLAYS BK PLC</nameOfIssuer>
    <titleOfClass>CALL</titleOfClass>
    <cusip>06746P901</cusip>
    <value>186</value>
    <shrsOrPrnAmt>
      <sshPrnamt>75520</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>75520</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UNITED STATES NATL GAS FUND</nameOfIssuer>
    <titleOfClass>CALL</titleOfClass>
    <cusip>912318900</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>30000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NANTHEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>630104107</cusip>
    <value>75</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81870</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>81870</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UROGEN PHARMA LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>M96088105</cusip>
    <value>9272</value>
    <shrsOrPrnAmt>
      <sshPrnamt>251004</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>251004</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR GOLD TRUST</nameOfIssuer>
    <titleOfClass>GOLD SHS</titleOfClass>
    <cusip>78463V107</cusip>
    <value>317</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>2600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>IBOXX HI YD ETF</titleOfClass>
    <cusip>464288513</cusip>
    <value>8588</value>
    <shrsOrPrnAmt>
      <sshPrnamt>99752</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>99752</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>IBOXX INV CP ETF</titleOfClass>
    <cusip>464287242</cusip>
    <value>7135</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60107</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>60107</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>JPMORGAN USD EMG</titleOfClass>
    <cusip>464288281</cusip>
    <value>6218</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56731</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>56731</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANGUARD WHITEHALL FDS INC</nameOfIssuer>
    <titleOfClass>HIGH DIV YLD</titleOfClass>
    <cusip>921946406</cusip>
    <value>2766</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32286</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>32286</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>20 YR TR BD ETF</titleOfClass>
    <cusip>464287432</cusip>
    <value>2623</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20792</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>DFND</investmentDiscretion>
    <votingAuthority>
      <Sole>20792</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
</informationTable>
