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        <AppliedToCurrentYearAmt>324809</AppliedToCurrentYearAmt>
        <RemainingDistriFromCorpusAmt>0</RemainingDistriFromCorpusAmt>
        <TotalCorpusAmt>0</TotalCorpusAmt>
        <UndistributedIncomeCYAmt>1663139</UndistributedIncomeCYAmt>
        <ExcessDistriCyovToNextYrAmt>0</ExcessDistriCyovToNextYrAmt>
        <ExcessFromCurrentYearAmt>0</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <PrivateOperatingFoundationsGrp></PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>THE MATHER FOUNDATION</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1603 ORRINGTON AVE</AddressLine1Txt>
            <CityNm>EVANSTON</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60201</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GENERAL OPERATING PURPOSES</GrantOrContributionPurposeTxt>
          <Amt>1980000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>1980000</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp />
        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>1046343</ExclusionAmt>
        </DividendsAndInterestFromSecDtl>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncomeGrp />
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>604569</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <OtherRevenueDescribedGrp>
          <Desc>OTHER INCOME</Desc>
          <BusinessCd>900001</BusinessCd>
          <ExclusionCd>01</ExclusionCd>
          <ExclusionAmt>7582</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>PARTNERSHIP INCOME</Desc>
          <BusinessCd>900001</BusinessCd>
          <UnrelatedBusinessTaxblIncmAmt>3078</UnrelatedBusinessTaxblIncmAmt>
          <ExclusionCd>01</ExclusionCd>
          <ExclusionAmt>-135813</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <SubtotalsIncmProducingActyGrp>
          <UnrelatedBusinessTaxblIncmAmt>3078</UnrelatedBusinessTaxblIncmAmt>
          <ExclusionAmt>1522681</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>1525759</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSch">
      <AccountingFeesDetail>
        <CategoryTxt>ACCOUNTING FEES</CategoryTxt>
        <Amt>7600</Amt>
        <NetInvestmentIncomeAmt>3800</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>3800</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <DepreciationSchedule documentId="DepreciationSch" />
    <InvestmentsCorpBondsSchedule documentId="InvestCorpBondsSch">
      <InvestmentsCorporateBondsGrp>
        <BondNm>CORPORATE BONDS</BondNm>
        <EOYBookValueAmt>3446412</EOYBookValueAmt>
        <EOYFMVAmt>3312503</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
    </InvestmentsCorpBondsSchedule>
    <InvestmentsCorpStockSchedule documentId="InvestCorpStockSch">
      <InvestmentsCorporateStockGrp>
        <StockNm>SMALL CAP EQUITY INVESTMENTS</StockNm>
        <EOYBookValueAmt>4486967</EOYBookValueAmt>
        <EOYFMVAmt>4911783</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>US &amp; INTL EQUITY &amp; RE MUT FUND</StockNm>
        <EOYBookValueAmt>6805520</EOYBookValueAmt>
        <EOYFMVAmt>12390853</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>COHEN &amp; STEERS</StockNm>
        <EOYBookValueAmt>493125</EOYBookValueAmt>
        <EOYFMVAmt>432790</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsGovtObligationsSch documentId="InvGovtObligSch">
      <USGovtObligationsBookVlEOYAmt>9259397</USGovtObligationsBookVlEOYAmt>
      <USGovtObligationsEOYFMVAmt>8570040</USGovtObligationsEOYFMVAmt>
    </InvestmentsGovtObligationsSch>
    <InvestmentsOtherSchedule2 documentId="InvOtherSch2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>GENERATOR VENTURES</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>232463</BookValueAmt>
        <EOYFMVAmt>382082</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>HIGHVISTA VENTURE CAPITAL IX</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>287256</BookValueAmt>
        <EOYFMVAmt>1009143</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>HIGHVISTA VENTURE CAPITAL X</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>396324</BookValueAmt>
        <EOYFMVAmt>922989</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>HIGHVISTA VENTURE CAPITAL XI</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>416586</BookValueAmt>
        <EOYFMVAmt>721529</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>HIGHVISTA VENTURE CAPITAL XII</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>356490</BookValueAmt>
        <EOYFMVAmt>460208</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>HIGHVISTA VENTURE CAPITAL XIII</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>240283</BookValueAmt>
        <EOYFMVAmt>268538</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>HIGHVISTA VENTURE CAPITAL XIV</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>36959</BookValueAmt>
        <EOYFMVAmt>12355</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>THOMA BRAVO EXECUTIVE FD XII</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>228836</BookValueAmt>
        <EOYFMVAmt>580382</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>THOMA BRAVO EXEC FD XII GLOBAL</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>97149</BookValueAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>THOMA BRAVO EXECUTIVE FD XIII</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>292053</BookValueAmt>
        <EOYFMVAmt>631785</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>THOMA BRAVO EXEC FD XIII GLOB</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>63745</BookValueAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>THOMA BRAVO EXECUTIVE FD XIV</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>366772</BookValueAmt>
        <EOYFMVAmt>554094</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>THOMA BRAVO EXEC FD XIV GLOBAL</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>77053</BookValueAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>KABOUTER INTERNATIONAL OPPS FD</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>0</BookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>PROPERO SENIORS HOUSING EQ FD</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>0</BookValueAmt>
        <EOYFMVAmt>152160</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>LL MORTGAGE FUND</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>768804</BookValueAmt>
        <EOYFMVAmt>756371</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>THE WEATHERLOW FUND I</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>1000000</BookValueAmt>
        <EOYFMVAmt>1751307</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <OtherAssetsSchedule documentId="OtherAssetsSch">
      <OtherAssetsScheduleGrp>
        <Desc>FEDERAL TAX DEPOSITS</Desc>
        <BOYBookValueAmt>26394</BOYBookValueAmt>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>INCOME RECEIVABLES</Desc>
        <BOYBookValueAmt>0</BOYBookValueAmt>
        <EOYBookValueAmt>27341</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>THOMA BRAVO REC/PAY</Desc>
        <BOYBookValueAmt>0</BOYBookValueAmt>
        <EOYBookValueAmt>-3834</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>HIGHVISTA - REC/PAY</Desc>
        <BOYBookValueAmt>0</BOYBookValueAmt>
        <EOYBookValueAmt>1060</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>PROPERO SENIORS HOUSING EQ FD</Desc>
        <BOYBookValueAmt>0</BOYBookValueAmt>
        <EOYBookValueAmt>-13871</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherDecreasesSchedule documentId="OtherDecreasesSch">
      <OtherDecreasesDetail>
        <Desc>TO RECONCILE PRIOR PERIOD DIFFERENCE</Desc>
        <Amt>490772</Amt>
      </OtherDecreasesDetail>
    </OtherDecreasesSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>IL ANNUAL REPORT FILING FEE</Desc>
        <RevenueAndExpensesPerBooksAmt>15</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>15</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>OTHER EXPENSES</Desc>
        <RevenueAndExpensesPerBooksAmt>113</RevenueAndExpensesPerBooksAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>K-1 NON DEDUCTIBLE EXPENSES</Desc>
        <RevenueAndExpensesPerBooksAmt>201</RevenueAndExpensesPerBooksAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSch2">
      <OtherIncomeDetail>
        <Desc>OTHER INCOME</Desc>
        <RevenueAndExpensesPerBooksAmt>7582</RevenueAndExpensesPerBooksAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>PARTNERSHIP INCOME</Desc>
        <RevenueAndExpensesPerBooksAmt>-132735</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>-132735</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>AMOUNT REPORTED ON 990-T</Desc>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherProfessionalFeesSchedule documentId="OthProfFeesSch">
      <OtherProfessionalFeesDetail>
        <CategoryTxt>PROFESSIONAL FEES</CategoryTxt>
        <Amt>358</Amt>
        <NetInvestmentIncomeAmt>179</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>179</DisbursementsCharitablePrpsAmt>
      </OtherProfessionalFeesDetail>
      <OtherProfessionalFeesDetail>
        <CategoryTxt>GREAT LAKES ADVISORS LLC</CategoryTxt>
        <Amt>85904</Amt>
        <NetInvestmentIncomeAmt>85904</NetInvestmentIncomeAmt>
      </OtherProfessionalFeesDetail>
      <OtherProfessionalFeesDetail>
        <CategoryTxt>RELATIVE VALUE FUND A/C FEES</CategoryTxt>
        <Amt>11187</Amt>
        <NetInvestmentIncomeAmt>11187</NetInvestmentIncomeAmt>
      </OtherProfessionalFeesDetail>
    </OtherProfessionalFeesSchedule>
    <TaxesSchedule documentId="TaxesSchedule">
      <TaxesDetail>
        <CategoryTxt>FOREIGN TAXES</CategoryTxt>
        <Amt>28618</Amt>
        <NetInvestmentIncomeAmt>28618</NetInvestmentIncomeAmt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>PY EXCISE TAX</CategoryTxt>
        <Amt>40000</Amt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>