Liabilities / Assets
24th percentile
Higher debt load relative to assets than 24% of similar nonprofits.
EIN 20-1990804 • Boston, MA
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
24th percentile
Higher debt load relative to assets than 24% of similar nonprofits.
Liabilities / Revenue
24th percentile
Higher debt load relative to revenue than 24% of similar nonprofits.
Net Margin
4th percentile
Higher net margin than 4% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
18th percentile
Faster asset growth than 18% of similar nonprofits.
Revenue Growth
3rd percentile
Faster revenue growth than 3% of similar nonprofits.
Using 2024 Form 990PF data because the latest 2025 filing does not report standard financial totals.
Assets
Up$6,370,635
Up $637,849 (+11%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$6,370,635
Up $637,849 (+11%) from 2023
Revenue
Up$727,300
Up $519,569 (+250%) from 2023
Expenses
Down$89,451
Down $403,756 (-82%) from 2023
Net Income
Up$637,849
Up $923,325 (+323%) from 2023
Most recent year
2025 • Form 990PFDetailed filing. Detailed filing data is available for this year.
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| AMY SMITH BERYLSON | Trustee | - | $0 | - | - |
| JAMES BERYLSON | Trustee | - | $0 | - | - |
| JENNIFER BLOCK | Trustee | - | $0 | - | - |
| ELIZABETH KATZ | Trustee | - | $0 | - | - |
| Type | Recipient | Purpose | Status | Location | Amount |
|---|---|---|---|---|---|
| Paid Grant | MILTON ACADEMY | EDUCATION | PC | MILTON, MA, US | $57,500 |
| Paid Grant | HARVARD UNVERSITY | EDUCATION | PC | CAMBRIDGE, MA, US | $50,000 |
| Paid Grant | JEWISH COMMUNAL FUND | PUBLIC WELFARE | PC | NEW YORK, NY, US | $37,500 |
| Paid Grant | PAN MASS CHALLENGE | PUBLIC WELFARE | PC | NEEDHAM, MA, US | $15,500 |
| Paid Grant | JEWISH NEWS SERVICE INC | EDUCATION | PC | NEWTON CENTRE, MA, US | $12,500 |
| Paid Grant | DANA FARBER INC | PUBLIC WELFARE | PC | BOSTON, MA, US | $12,500 |
| Paid Grant | STEPPINGSTONE FDN | PUBLIC WELFARE | PC | KATONAH, NY, US | $10,000 |
| Paid Grant | PRESIDENT AND FELLOWS OF HARVARD COLLEGE | EDUCATION | PC | CAMBRIDGE, MA, US | $1,000 |
| Paid Grant | BRIGHAM AND WOMEN'S HOSPITAL | PUBLIC WELFARE | PC | BOSTON, MA, US | $1,000 |
| Paid Grant | CONGREGATION RODEPH SHALOM INC | PUBLIC WELFARE | PC | NEW YORK, NY, US | $1,000 |
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| AccountingFeesSchedule/AccountingFeesDetail/Amt | 0 | 6480 |
| AccountingFeesSchedule/AccountingFeesDetail/CategoryTxt | 0 | DELOITTE FEES |
| AccountingFeesSchedule/AccountingFeesDetail/DisbursementsCharitablePrpsAmt | 0 | 3240 |
| AccountingFeesSchedule/AccountingFeesDetail/NetInvestmentIncomeAmt | 0 | 3240 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 0 | 2405730 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 1 | 0 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 2 | 0 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 0 | 3564379 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 1 | 295800 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 2 | 295801 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 0 | GOULSTON |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 1 | GOLDMAN |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 2 | JP MORGAN |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 0 | 496808 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 1 | 2131679 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 2 | 0 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 0 | PRIAM CAPITAL III |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 1 | ARROWSTREET CAPITAL |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 2 | TWO SIGMA |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 0 | 600360 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 1 | 2475315 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 2 | 2712443 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/ListedAtCostOrFMVCd | 0 | AT COST |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/ListedAtCostOrFMVCd | 1 | AT COST |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/ListedAtCostOrFMVCd | 2 | AT COST |
| IRS990PF/AnalysisIncomeProducingActyGrp/DividendsAndInterestFromSecDtl/ExclusionAmt | 0 | 203359 |
| IRS990PF/AnalysisIncomeProducingActyGrp/DividendsAndInterestFromSecDtl/ExclusionCd | 0 | 14 |
| IRS990PF/AnalysisIncomeProducingActyGrp/GainSalesAstOthThanInvntryGrp/ExclusionAmt | 0 | 40955 |
| IRS990PF/AnalysisIncomeProducingActyGrp/GainSalesAstOthThanInvntryGrp/ExclusionCd | 0 | 18 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherInvestmentIncomeGrp/ExclusionAmt | 0 | 99971 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherInvestmentIncomeGrp/ExclusionCd | 0 | 14 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/ExclusionAmt | 0 | 344285 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/RelatedOrExemptFunctionIncmAmt | 0 | 0 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/UnrelatedBusinessTaxblIncmAmt | 0 | 0 |
| IRS990PF/AnalysisIncomeProducingActyGrp/TotalIncomeProducingActyAmt | 0 | 344285 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesChrtblPrpsAmt | 0 | 3240 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesNetInvstIncmAmt | 0 | 3240 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesRevAndExpnssAmt | 0 | 6480 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CapGainNetIncmNetInvstIncmAmt | 0 | 40955 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CompOfcrDirTrstDsbrsChrtblAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CompOfcrDirTrstNetInvstIncmAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CompOfcrDirTrstRevAndExpnssAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidDsbrsChrtblAmt | 0 | 198500 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidRevAndExpnssAmt | 0 | 198500 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DividendsNetInvstIncmAmt | 0 | 203359 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DividendsRevAndExpnssAmt | 0 | 203359 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ExcessRevenueOverExpensesAmt | 0 | 104570 |
| IRS990PF/AnalysisOfRevenueAndExpenses/GrossSalesPriceAmt | 0 | 45617 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetGainSaleAstRevAndExpnssAmt | 0 | 40955 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetInvestmentIncomeAmt | 0 | 316435 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesDsbrsChrtblAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesNetInvstIncmAmt | 0 | 9909 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesRevAndExpnssAmt | 0 | 9909 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeNetInvstIncmAmt | 0 | 99971 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeRevAndExpnssAmt | 0 | 99971 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherProfFeesDsbrsChrtblAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherProfFeesNetInvstIncmAmt | 0 | 9412 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherProfFeesRevAndExpnssAmt | 0 | 9412 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ScheduleBNotRequiredInd | 0 | X |
| IRS990PF/AnalysisOfRevenueAndExpenses/TaxesDsbrsChrtblAmt | 0 | 125 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TaxesNetInvstIncmAmt | 0 | 5289 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TaxesRevAndExpnssAmt | 0 | 15414 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesDsbrsChrtblAmt | 0 | 201865 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesNetInvstIncmAmt | 0 | 27850 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesRevAndExpnssAmt | 0 | 239715 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalNetInvstIncmAmt | 0 | 344285 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalRevAndExpnssAmt | 0 | 344285 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesDsbrsChrtblAmt | 0 | 3365 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesNetInvstIncmAmt | 0 | 27850 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesRevAndExpnssAmt | 0 | 41215 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/CostOrOtherBasisAmt | 0 | 4662 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 0 | 45617 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 1 | -4662 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainsMinusExcessOrLossesAmt | 0 | 45617 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainsMinusExcessOrLossesAmt | 1 | -4662 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GrossSalesPriceAmt | 0 | 45617 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/HowAcquiredCd | 0 | P |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/HowAcquiredCd | 1 | P |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 0 | ARROWSTREET CAPITAL K-1 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 1 | ARROWSTREET CAPITAL K-1 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/SoldDt | 0 | 2024-04-30 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/SoldDt | 1 | 2024-04-30 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapitalGainNetIncomeAmt | 0 | 40955 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/ExcessRevenueOverExpensesAmt | 0 | 104570 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/OtherDecreasesAmt | 0 | 0 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/OtherIncreasesAmt | 0 | 108029 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/SubtotalAmt | 0 | 6583234 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 6370635 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 6583234 |
| IRS990PF/DistributableAmountGrp/DeductionFromDistributableAmt | 0 | 0 |
| IRS990PF/DistributableAmountGrp/DistributableAsAdjustedAmt | 0 | 533169 |
| IRS990PF/DistributableAmountGrp/DistributableBeforeAdjAmt | 0 | 533169 |
| IRS990PF/DistributableAmountGrp/DistributableBeforeDedAmt | 0 | 533169 |
| IRS990PF/DistributableAmountGrp/MinimumInvestmentReturnAmt | 0 | 537567 |
| IRS990PF/DistributableAmountGrp/RecoveriesQualfiedDistriAmt | 0 | 0 |
| IRS990PF/DistributableAmountGrp/TaxBasedOnInvestmentIncomeAmt | 0 | 4398 |
| IRS990PF/DistributableAmountGrp/TotalTaxAmt | 0 | 4398 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/AppliedToESTaxAmt | 0 | 14424 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/BackupWithholdingWithheldAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EsPenaltyAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EstimatedPlusOvpmtIncmTxAmt | 0 | 18822 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/ExemptFrgnOrgTaxWthldAtSrceAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/ExtsnRequestIncomeTaxPaidAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/Form2220AttachedInd | 0 | X |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/InvestmentIncomeExciseTaxAmt | 0 | 4398 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/OverpaymentAmt | 0 | 14424 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/RefundAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/SubtitleATaxAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/SubtotalAmt | 0 | 4398 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxBasedOnInvestmentIncomeAmt | 0 | 4398 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxUnderSection511Amt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TotalPaymentsAndCreditsAmt | 0 | 18822 |
| IRS990PF/FMVAssetsEOYAmt | 0 | 11493115 |
| IRS990PF/Form990PFBalanceSheetsGrp/AdditionalPaidInCapitalBOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/AdditionalPaidInCapitalEOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/CapitalStockBOYAmt | 0 | 6370635 |
| IRS990PF/Form990PFBalanceSheetsGrp/CapitalStockEOYAmt | 0 | 6583234 |
| IRS990PF/Form990PFBalanceSheetsGrp/CashBOYAmt | 0 | 1550991 |
| IRS990PF/Form990PFBalanceSheetsGrp/CashEOYAmt | 0 | 1549017 |
| IRS990PF/Form990PFBalanceSheetsGrp/CashEOYFMVAmt | 0 | 1549017 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockBOYAmt | 0 | 2405730 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYAmt | 0 | 2405730 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYFMVAmt | 0 | 4155980 |
| IRS990PF/Form990PFBalanceSheetsGrp/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsBOYAmt | 0 | 2413914 |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsEOYAmt | 0 | 2628487 |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsEOYFMVAmt | 0 | 5788118 |
| IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningBOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningEOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsBOYAmt | 0 | 6370635 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYAmt | 0 | 6583234 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYFMVAmt | 0 | 11493115 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstBOYAmt | 0 | 6370635 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstEOYAmt | 0 | 6583234 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 6370635 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 6583234 |
| IRS990PF/MethodOfAccountingCashInd | 0 | X |
| IRS990PF/MinimumInvestmentReturnGrp/AcquisitionIndebtednessAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/AdjustedTotalFMVOfUnusedAstAmt | 0 | 10915057 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyCashBalancesAmt | 0 | 1533829 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt | 0 | 9381228 |
| IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt | 0 | 163726 |
| IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt | 0 | 537567 |
| IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt | 0 | 10751331 |
| IRS990PF/MinimumInvestmentReturnGrp/ReductionClaimedAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/TotalFMVOfUnusedAssetsAmt | 0 | 10915057 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdCntrctOrNONETxt | 0 | NONE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdEmplOrNONETxt | 0 | NONE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/ContractorPaidOver50kCnt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 1.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 1.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 1.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 1.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 1 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 2 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 3 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 0 | AMY SMITH BERYLSON |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 1 | JAMES BERYLSON |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 2 | JENNIFER BLOCK |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 3 | ELIZABETH KATZ |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 0 | TRUSTEE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 1 | TRUSTEE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 2 | TRUSTEE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 3 | TRUSTEE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 0 | C/O GOULSTON STORRS 1 PO SQ FL 25 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 1 | C/O GOULSTON STORRS 1 PO SQ FL 25 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 2 | C/O GOULSTON STORRS 1 PO SQ FL 25 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 3 | C/O GOULSTON STORRS 1 PO SQ FL 25 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 0 | BOSTON |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 1 | BOSTON |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 2 | BOSTON |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 3 | BOSTON |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 1 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 2 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 3 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 0 | 021092115 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 1 | 021092115 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 2 | 021092115 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 3 | 021092115 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OtherEmployeePaidOver50kCnt | 0 | 0 |
| IRS990PF/Organization501c3ExemptPFInd | 0 | X |
| IRS990PF/PFQualifyingDistributionsGrp/ExpensesAndContributionsAmt | 0 | 201865 |
| IRS990PF/PFQualifyingDistributionsGrp/ProgramRelatedInvstTotalAmt | 0 | 0 |
| IRS990PF/PFQualifyingDistributionsGrp/QualifyingDistributionsAmt | 0 | 201865 |
| IRS990PF/StatementsRegardingActy4720Grp/ActsFailToQlfyAsExceptionsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/BusinessHoldingsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd | 0 | 1 |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceElectionInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/PayCompDisqualifiedPrsnInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/PaymentToGovernmentOfficialInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/SaleOrExchDisqualifiedPrsnInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd | 0 | 1 |
| IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd | 0 | 1 |
| IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd | 0 | 1 |
| IRS990PF/StatementsRegardingActyGrp/IndividualWithBooksNm | 0 | JESSICA BALDINO |
| IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt | 0 | C/O GOULSTON 1 PO SQ FL 25 |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm | 0 | BOSTON |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd | 0 | 021092115 |
| IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd | 0 | MA |
| IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/PhoneNum | 0 | 6174821776 |
| IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/Section4955ManagersTaxAmt | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/Section4955OrganizationTaxAmt | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd | 0 | 1 |
| IRS990PF/StatementsRegardingActyGrp/TaxReimbursedAmt | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt | 0 | N/A |
| IRS990PF/SumOfProgramRelatedInvstGrp/TotalAmt | 0 | 0 |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/FormAndInfoAndMaterialsTxt | 0 | WRITTEN FORM INDICATING AMOUNTS REQUESTED AND PROJECTED USE. |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientPersonNm | 0 | AMY SMITH AND JOHN G BERYLSON CHARI |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientPhoneNum | 0 | 6174821776 |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/AddressLine1Txt | 0 | C/O GOULSTON STORRS 1 PO SQ FL 25 |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/CityNm | 0 | BOSTON |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RecipientUSAddress/ZIPCd | 0 | 021092115 |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/RestrictionsOnAwardsTxt | 0 | CHARITABLE PURPOSES UNDER I.R.C. SECTION 501(C)(3) |
| IRS990PF/SupplementaryInformationGrp/ApplicationSubmissionInfoGrp/SubmissionDeadlinesTxt | 0 | NONE |
| IRS990PF/SupplementaryInformationGrp/ContributingManagerNm | 0 | AMY SMITH BERYLSON |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 0 | 57500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 1 | 15500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 2 | 12500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 3 | 10000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 4 | 1000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 5 | 1000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 6 | 1000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 7 | 12500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 8 | 37500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 9 | 50000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 0 | EDUCATION |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 1 | PUBLIC WELFARE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 2 | EDUCATION |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 3 | PUBLIC WELFARE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 4 | EDUCATION |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 5 | PUBLIC WELFARE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 6 | PUBLIC WELFARE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 7 | PUBLIC WELFARE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 8 | PUBLIC WELFARE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 9 | EDUCATION |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 0 | MILTON ACADEMY |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 1 | PAN MASS CHALLENGE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 2 | JEWISH NEWS SERVICE INC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 3 | STEPPINGSTONE FDN |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 4 | PRESIDENT AND FELLOWS OF HARVARD COLLEGE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 5 | BRIGHAM AND WOMEN'S HOSPITAL |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 6 | CONGREGATION RODEPH SHALOM INC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 7 | DANA FARBER INC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 8 | JEWISH COMMUNAL FUND |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt | 9 | HARVARD UNVERSITY |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 0 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 1 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 2 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 3 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 4 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 5 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 6 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 7 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 8 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 9 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 0 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 1 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 2 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 3 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 4 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 5 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 6 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 7 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 8 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 9 | NONE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 0 | 170 CENTRE STREET |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 1 | 77 4TH AVE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 2 | 831 BEACON STREET SUITE 272 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 3 | 62 OAK ROAD |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 4 | MASSACHUSETTS HALL |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 5 | 75FRANCIS STREET |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 6 | 7 WEST 83RD STREET |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 7 | 450 BROOKLINE AVENUE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 8 | 575 MADISON AVENUE SUITE 703 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt | 9 | MASSACHUSETTS HALL |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 0 | MILTON |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 1 | NEEDHAM |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 2 | NEWTON CENTRE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 3 | KATONAH |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 4 | CAMBRIDGE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 5 | BOSTON |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 6 | NEW YORK |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 7 | BOSTON |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 8 | NEW YORK |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm | 9 | CAMBRIDGE |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 1 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 2 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 3 | NY |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 4 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 5 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 6 | NY |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 7 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 8 | NY |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd | 9 | MA |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 0 | 02186 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 1 | 02494 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 2 | 02459 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 3 | 10536 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 4 | 02138 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 5 | 02115 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 6 | 10024 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 7 | 02115 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 8 | 10022 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd | 9 | 02138 |
| IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd | 0 | X |
| IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt | 0 | 0 |
| IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt | 0 | 198500 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd | 0 | 0 |
| IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt | 0 | 201865 |
| IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt | 0 | 533169 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt | 0 | 305956 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt | 0 | 63100 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt | 0 | 83333 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt | 0 | 89068 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt | 0 | 70455 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt | 0 | 305956 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt | 0 | 201865 |
| IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/Taxable1Amt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/Taxable2Amt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt | 0 | 305956 |
| IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt | 0 | 0 |
| IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt | 0 | 25348 |
| IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt | 0 | 0 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 0 | OTHER EXPENSES |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 1 | PRIAM CAPITAL III K-1 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc | 2 | ARROWSTREET CAPITAL K-1 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt | 0 | 0 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt | 1 | 0 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt | 2 | 0 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt | 0 | 73 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt | 1 | 5878 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt | 2 | 3958 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 0 | 73 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 1 | 5878 |
| OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt | 2 | 3958 |
| OtherIncomeSchedule2/OtherIncomeDetail/AdjustedNetIncomeAmt | 0 | 99971 |
| OtherIncomeSchedule2/OtherIncomeDetail/Desc | 0 | OTHER INCOME FROM K-1 ARROWSTREET |
| OtherIncomeSchedule2/OtherIncomeDetail/NetInvestmentIncomeAmt | 0 | 99971 |
| OtherIncomeSchedule2/OtherIncomeDetail/RevenueAndExpensesPerBooksAmt | 0 | 99971 |
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