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        <ExcessBusinessHoldingsInd>false</ExcessBusinessHoldingsInd>
        <ContributionControllerInd>false</ContributionControllerInd>
        <ContributionFamilyInd>false</ContributionFamilyInd>
        <Contribution35ControlledInd>false</Contribution35ControlledInd>
      </Form990SchASupportingOrgGrp>
      <MajorityDirTrstSupportedOrgInd>false</MajorityDirTrstSupportedOrgInd>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>Pt IV Sec C Ln 1</FormAndLineReferenceDesc>
        <ExplanationTxt>The Directors of Rubicon Insurance Company comprise of top management team of the Northwestern University and report to the Northwestern University Board of Directors.</ExplanationTxt>
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        <Desc>Insurance Loss Reserve</Desc>
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      <TotalLiabilityAmt>10317134</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>8845528</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>8845528</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>8845528</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>23902748</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>23902748</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>23902748</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="00000004">
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      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
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        <PersonNm>CRAIG JOHNSON</PersonNm>
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        <BonusRelatedOrganizationsAmt>77703</BonusRelatedOrganizationsAmt>
        <OtherCompensationRltdOrgsAmt>216</OtherCompensationRltdOrgsAmt>
        <DeferredCompRltdOrgsAmt>26000</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>3488</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>417421</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990RltdOrgsAmt>25500</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>STEVEN GREEN</PersonNm>
        <CompensationBasedOnRltdOrgsAmt>178333</CompensationBasedOnRltdOrgsAmt>
        <OtherCompensationRltdOrgsAmt>3725</OtherCompensationRltdOrgsAmt>
        <DeferredCompRltdOrgsAmt>17833</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>4291</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>204182</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990RltdOrgsAmt>16833</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NIM CHINNIAH</PersonNm>
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        <DeferredCompRltdOrgsAmt>9375</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>1963</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>411458</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JAMES M HURLEY</PersonNm>
        <CompensationBasedOnRltdOrgsAmt>633468</CompensationBasedOnRltdOrgsAmt>
        <OtherCompensationRltdOrgsAmt>1032</OtherCompensationRltdOrgsAmt>
        <DeferredCompRltdOrgsAmt>26000</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>3538</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>664038</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990RltdOrgsAmt>25500</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>INGRID S STAFFORD</PersonNm>
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        <OtherCompensationRltdOrgsAmt>1584</OtherCompensationRltdOrgsAmt>
        <DeferredCompRltdOrgsAmt>26000</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>814</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>344841</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990RltdOrgsAmt>25500</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>EUGENE SUNSHINE</PersonNm>
        <CompensationBasedOnRltdOrgsAmt>665980</CompensationBasedOnRltdOrgsAmt>
        <OtherCompensationRltdOrgsAmt>1056</OtherCompensationRltdOrgsAmt>
        <DeferredCompRltdOrgsAmt>26000</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>4511</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>697547</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990RltdOrgsAmt>25500</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="00000005" softwareId="14000261">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Assistant Vice President for Risk Management and Environmental Health and Safety, Vice President of Finance, Interim Controller and Board members reviewed and approved the form 990 before Rubicon files with the IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>A designated official of Northwestern University reviews and identifies any conflict of interest disclosed annually.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>As a subsidiary of Northwestern University, Rubicon follows the conflict of interest policy of the University, and this policy is posted online. The financial statements of Northwestern University which includes the financial statements of Rubicon Insurance Company are also posted online. The governing documents are available to the public upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other</FormAndLineReferenceDesc>
        <ExplanationTxt>NMFF, one of the supported organizations, reorganized and assumed the name Northwestern Medical Group</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990EZ, Part II, Line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER RECEIVABLES INVESTMENTS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990EZ, Part II, Line 26</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTS PAYABLE &amp; ACCRUED EXPENSES</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Northwestern University</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>633 Clark Street</AddressLine1Txt>
          <CityNm>Evanston</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60208</ZIPCd>
        </USAddress>
        <EIN>363694409</EIN>
        <PrimaryActivitiesTxt>UNIVERSITY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)3</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>2</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NMFF</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>680 N Lake Shore Dr</AddressLine1Txt>
          <CityNm>Chicago</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60611</ZIPCd>
        </USAddress>
        <EIN>363097297</EIN>
        <PrimaryActivitiesTxt>Physician Faculty Northwestern Univ</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)3</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>9</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>true</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>true</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Northwestern University Insurance Claim Payments</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>l</TransactionTypeTxt>
        <InvolvedAmt>1191538</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cash</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Northwestern Medical Group Insurance Claim Payments</BusinessNameLine1Txt>
        </OtherOrganizationName>
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        <MethodOfAmountDeterminationTxt>Cash</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Northwestern University Insurance Premium</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>s</TransactionTypeTxt>
        <InvolvedAmt>1072493</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cash</MethodOfAmountDeterminationTxt>
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      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Northwestern Medical Group Dividend authorized by IL Dept of Insurance</BusinessNameLine1Txt>
        </OtherOrganizationName>
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        <MethodOfAmountDeterminationTxt>Cash</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
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