Dora and John Aalbregtse Foundation

EIN 26-3624646 • Winnetka, IL

586 Maple StreetWinnetka, IL 60093

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

0.00x

Tied with the lowest-debt nonprofits in its peer group.

<$500k nonprofits • Source year 2024

0.00x

Tied with the lowest-debt nonprofits in its peer group.

<$500k nonprofits • Source year 2024

-320%

Higher net margin than 7% of similar nonprofits.

<$500k nonprofits • Source year 2024

Higher top officer pay than 81% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

<$500k nonprofits • Source year 2024

-31%

Faster asset growth than 26% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

-78%

Faster revenue growth than 11% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets63rd percentile

Assets

Down

$177,292

Down $78,054 (-31%) from 2023

Liabilities

Flat

Flat from 2023

Net Assets

Down

$177,292

Down $78,054 (-31%) from 2023

Operations

Liabilities / Revenue66th percentile Net Margin7th percentile

Revenue

Down

$24,386

Down $87,347 (-78%) from 2023

Expenses

$102,440

Up $68,565 (+202%) from 2023

Net Income

Down

-$78,054

Down $155,912 (-200%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth26th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

Highlighted filing

2024

Assets$177,292

Liabilities$0

Net Assets$177,292

Open 2024 Filing

Operations Trend

Revenue Growth11th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

Highlighted filing

2024

Revenue$24,386

Expenses$102,440

Net Income-$78,054

Open 2024 Filing

Filings

Most recent year

2024 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing

Assets: $177,292
Liabilities: $0
Net assets: $177,292
Revenue: $24,386
Expenses: $102,440
Net income: -$78,054

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2024Detailed filing. Detailed filing data is available for this year.	$1.77	$0.00	$1.77	$0.24	$1.02	$0.78
2023Detailed filing. Detailed filing data is available for this year.	$2.55	$0.00	$2.55	$1.12	$0.34	$0.78
2022Detailed filing. Detailed filing data is available for this year.	$1.77	$0.00	$1.77	$0.58	$1.62	$1.05
2021Detailed filing. Detailed filing data is available for this year.	$2.82	$0.00	$2.82	$1.21	$1.06	$0.15
2020Detailed filing. Detailed filing data is available for this year.	$2.67	$0.00	$2.67	$1.00	$0.81	$0.20
2019Detailed filing. Detailed filing data is available for this year.	$2.47	$0.00	$2.47	$0.99	$0.77	$0.22
2018Detailed filing. Detailed filing data is available for this year.	$2.25	$0.00	$2.25	$0.65	$0.79	$0.14
2017Detailed filing. Detailed filing data is available for this year.	$2.39	$0.00	$2.39	$0.94	$0.99	$0.05
2016Detailed filing. Detailed filing data is available for this year.	$2.44	$0.00	$2.44	$0.67	$0.57	$0.10
2015Detailed filing. Detailed filing data is available for this year.	$2.34	$0.00	$2.34	$1.03	$0.55	$0.48

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2024 to Dec 31, 2024
Signed: Jul 4, 2025
Return Version: 2024v5.1

Compensation and Service Providers

Top Officer Pay81st percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
JOHN AALBREGTSE	Director	-	$0	-	-
DORA AALBREGTSE	Director	-	$0	-	-
DENNIS SCHUMAKER	Director	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: Dora and John Aalbregtse Foundation
EIN: 26-3624646
Phone: 8475014942
Address: 586 MAPLE STREET, WINNETKA, IL 60093

Signing Officer

Name: John Aalbregtse
Title: Director
Phone: 8475014942
Signed: 2025-07-04
Discuss with paid preparer: Yes

Preparer

Firm: Kovin & Associates LLC
Address: 318 HALF DAY ROAD - SUITE 300, BUFFALO GROVE, IL 60089
Preparer: Brad Kovin
Phone: 8478211152

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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	0	UNRESTRICTED USE OF THE CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	1	UNRESTRICTED USE OF THE CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	2	UNRESTRICTED USE OF THE CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	3	UNRESTRICTED USE OF THE CHARITYUNRESTRICTED USE OF THE CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	4	UNRESTRICTED USE OF THE CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	5	UNRESTRICTED USE OF THE CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	0	ART INSTITUTE OF CHICAGO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	1	CHICAGO BOTANIC GARDEN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	2	CHICAGO SYMPHONY ORCHESTRA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	3	JOFFREY BALLET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	4	MERIT SCHOOL OF MUSIC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	5	STEPPENWOLF THEATRE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	0	501(C)(3)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	1	501(C)(3)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	2	501(C)(3)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	3	501(C)(3)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	4	501(C)(3)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	5	501(C)(3)
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/RecipientUSAddress/AddressLine1Txt	0	111 SOUTH MICHIGAN AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	1	1000 LAKE COOK ROAD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	2	220 S MICHIGAN AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	3	10 E RANDOLPH STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	4	38 S PEORIA STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	5	1650 N HALSTED STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	0	CHICAGO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	1	GLENCOE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	2	CHICAGO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	3	CHICAGO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	4	CHICAGO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	5	CHICAGO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	0	IL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	1	IL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	2	IL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	3	IL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	4	IL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	5	IL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	0	60603
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	1	60022
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	2	60604
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	3	60601
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	4	60607
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	5	60614
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd	0	X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt	0	0
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt	0	98800
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	10567
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt	0	0
IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt	0	0
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	10567
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt	0	22185
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt	0	147810
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt	0	88423
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt	0	65867
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt	0	61554
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt	0	61554
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt	0	414058
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt	0	89773
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt	0	22185
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt	0	147810
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt	0	88423
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt	0	65867
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt	0	0
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt	0	0
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	100340
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt	0	89773
IRS990PF/UndistributedIncomeGrp/Taxable1Amt	0	0
IRS990PF/UndistributedIncomeGrp/Taxable2Amt	0	0
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt	0	475612
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	385839
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	0	SECRETARY OF STATE
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	0	15
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	0	15
TaxesSchedule/TaxesDetail/Amt	0	2100
TaxesSchedule/TaxesDetail/Amt	1	25
TaxesSchedule/TaxesDetail/CategoryTxt	0	EXCISE TAX
TaxesSchedule/TaxesDetail/CategoryTxt	1	STATE FILING FEE
TaxesSchedule/TaxesDetail/DisbursementsCharitablePrpsAmt	0	0
TaxesSchedule/TaxesDetail/DisbursementsCharitablePrpsAmt	1	25
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	0	0
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	1	0
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd	0	1
ReturnHeader/BusinessOfficerGrp/PersonNm	0	JOHN AALBREGTSE
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	DIRECTOR
ReturnHeader/BusinessOfficerGrp/PhoneNum	0	8475014942
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-07-04
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	DORA AND JOHN AALBREGTSE FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt	0	DORA
ReturnHeader/Filer/EIN	0	263624646
ReturnHeader/Filer/PhoneNum	0	8475014942
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	586 MAPLE STREET
ReturnHeader/Filer/USAddress/CityNm	0	WINNETKA
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	IL
ReturnHeader/Filer/USAddress/ZIPCd	0	60093
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	0
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN	0	113672199
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt	0	KOVIN & ASSOCIATES LLC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt	0	318 HALF DAY ROAD - SUITE 300
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm	0	BUFFALO GROVE
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd	0	IL
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd	0	60089
ReturnHeader/PreparerPersonGrp/PhoneNum	0	8478211152
ReturnHeader/PreparerPersonGrp/PreparationDt	0	2025-07-04
ReturnHeader/PreparerPersonGrp/PreparerPersonNm	0	BRAD KOVIN
ReturnHeader/PreparerPersonGrp/SelfEmployedInd	0	X
ReturnHeader/ReturnTs	0	2025-07-23T11:15:01-05:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-01-01
ReturnHeader/TaxPeriodEndDt	0	2024-12-31
ReturnHeader/TaxYr	0	2024

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