Maclean Foundation

990PF • Fiscal year 2024 • EIN 36-4055957

Jan 01, 2024 to Dec 31, 2024 • Filed on May 15, 2025

Organization Profile

1000 Allanson RoadMundelein, IL 60060

(847) 566-0010

Siviq Scores

Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.

0.00x

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

2024 filings • $10M-$25M nonprofits • Source year 2024

0.00x

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

2024 filings • $10M-$25M nonprofits • Source year 2024

-303%

Higher net margin than 1% of similar nonprofits.

2024 filings • $10M-$25M nonprofits • Source year 2024

Higher top officer pay than 25% of similar nonprofits.

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

2024 filings • $10M-$25M nonprofits • Source year 2024

-14%

Faster asset growth than 6% of similar nonprofits.

2024 filings • $10M-$25M nonprofits • Annualized from 2023 to 2024

0.9%

Faster revenue growth than 33% of similar nonprofits.

2024 filings • $10M-$25M nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets19th percentile

Assets

Down

$19,322,781

Down $3,034,828 (-14%) from 2023

Net Assets

Down

$19,322,781

Down $3,034,828 (-14%) from 2023

Liabilities

Flat

Flat from 2023

Revenue And Expenses

Liabilities / Revenue19th percentile Net Margin1st percentile

Revenue

$1,023,152

Up $9,084 (+0.9%) from 2023

Expenses

Down

$4,128,069

Down $2,181,811 (-35%) from 2023

Net Income

-$3,104,917

Up $2,190,895 (+41%) from 2023

Historical Trend

Balance Sheet Trend

Asset Growth6th percentile

The highlighted filing sits inside the broader history for assets, liabilities, and net assets.

Highlighted filing

2024

Assets$19,322,781

Liabilities$0

Net Assets$19,322,781

Open 2024 Filing

Operations Trend

Revenue Growth33rd percentile

Revenue, expenses, and net income across loaded years, with this filing highlighted.

Highlighted filing

2024

Revenue$1,023,152

Expenses$4,128,069

Net Income-$3,104,917

Open 2024 Filing

Jump To

Filing Snapshot

Filing Period: Jan 1, 2024 to Dec 31, 2024
Signed: May 15, 2025
Return Version: 2024v5.1

Compensation and Service Providers

Top Officer Pay25th percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
Adrian Jay	President	-	$0	-	-
Brooke MacLean	Vice President	-	$0	-	-
Gillian Growdon	Secretary	-	$0	-	-
Toby Bonaguro	Asst. Secy	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: Maclean Foundation
EIN: 36-4055957
Phone: 8475660010
Address: 1000 ALLANSON ROAD, MUNDELEIN, IL 60060

Signing Officer

Name: Gillian Growdon
Title: Secretary
Signed: 2025-05-15
Discuss with paid preparer: Yes

Preparer

Firm: Naviaux Associates LLC
Address: 53 W Jackson Blvd Suite 738, Chicago, IL 60604
Preparer: Matthew Howell
Phone: 3126621541

Raw XML Appendix297 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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AccountingFeesSchedule/AccountingFeesDetail/NetInvestmentIncomeAmt	0	993
InvestmentsCorpBondsSchedule/InvestmentsCorporateBondsGrp/BondNm	0	MFC ISHARES INVT Corp
InvestmentsCorpBondsSchedule/InvestmentsCorporateBondsGrp/BondNm	1	MFO PIMCO High Yield
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InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm	0	MFC ETF Flex Ultra Short
InvestmentsGovtObligationsSch/USGovtObligationsBookVlEOYAmt	0	3198545
InvestmentsGovtObligationsSch/USGovtObligationsEOYFMVAmt	0	3198545
IRS990PF/AnalysisIncomeProducingActyGrp/IntOnSavAndTempCashInvstGrp/ExclusionAmt	0	1023152
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IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesRevAndExpnssAmt	0	62821
IRS990PF/AnalysisOfRevenueAndExpenses/ScheduleBNotRequiredInd	0	X
IRS990PF/AnalysisOfRevenueAndExpenses/TaxesNetInvstIncmAmt	0	15000
IRS990PF/AnalysisOfRevenueAndExpenses/TaxesRevAndExpnssAmt	0	15000
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IRS990PF/DistributableAmountGrp/TaxBasedOnInvestmentIncomeAmt	0	13563
IRS990PF/DistributableAmountGrp/TotalTaxAmt	0	13563
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IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EsPenaltyAmt	0	691
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EstimatedPlusOvpmtIncmTxAmt	0	915
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/Form2220AttachedInd	0	X
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IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxDueAmt	0	13339
IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TotalPaymentsAndCreditsAmt	0	915
IRS990PF/FMVAssetsEOYAmt	0	19322781
IRS990PF/Form990PFBalanceSheetsGrp/CashBOYAmt	0	39550
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IRS990PF/Form990PFBalanceSheetsGrp/CashEOYFMVAmt	0	2890
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IRS990PF/Form990PFBalanceSheetsGrp/OrgDoesNotFollowFASB117Ind	0	X
IRS990PF/Form990PFBalanceSheetsGrp/OtherAssetsBOYAmt	0	45913
IRS990PF/Form990PFBalanceSheetsGrp/OtherAssetsEOYAmt	0	20813
IRS990PF/Form990PFBalanceSheetsGrp/OtherAssetsEOYFMVAmt	0	20813
IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningBOYAmt	0	22357609
IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningEOYAmt	0	19322781
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IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYAmt	0	19322781
IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYFMVAmt	0	19322781
IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesEOYAmt	0	0
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IRS990PF/MethodOfAccountingCashInd	0	X
IRS990PF/MinimumInvestmentReturnGrp/AdjustedTotalFMVOfUnusedAstAmt	0	17779
IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyCashBalancesAmt	0	17779
IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt	0	0
IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt	0	267
IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt	0	0
IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt	0	876
IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt	0	17512
IRS990PF/MinimumInvestmentReturnGrp/ReductionClaimedAmt	0	0
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdCntrctOrNONETxt	0	NONE
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdEmplOrNONETxt	0	NONE
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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/PersonNm	0	Adrian Jay
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm	1	Brooke MacLean
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm	2	Gillian Growdon
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm	3	Toby Bonaguro
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	0	President
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	1	Vice President
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	2	Secretary
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	3	ASST. SECY
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt	2	750000
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	0	Donation to Philanthropy, Voluntarism and Grantmaking
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	1	Thayer Expansion Commitment
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	2	Build public understanding of science, show how science impacts our society and inspire everyone to think critically about the world around us.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt	3	Improve wildlife habitat and forest health for ruffed grouse, American woodcock and ALL forest wildlife.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	0	501(c)(3)
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt	1	501(c)(3)
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientPersonNm	3	Ruffed Grouse Society
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	0	None
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	1	None
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt	3	None
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	1	Dartmouth College
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	2	5700 S DuSable Lake Shore Dr
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	3	100 Hightower Boulevard Suite 101
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	0	Chicago
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	1	Hanover
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	2	Chicago
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	3	Pittsburgh
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	3	PA
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IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd	0	false
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt	0	5809385
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt	0	10368765
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt	0	20190
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt	0	18971
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt	0	62864
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt	0	62864
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt	0	20297976
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt	0	4080665
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt	0	5809385
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt	0	10368765
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt	0	20190
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt	0	18971
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	4080665
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt	0	4080665
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt	0	20360840
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	16280175
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
OtherAssetsSchedule/OtherAssetsScheduleGrp/BOYBookValueAmt	0	45913
OtherAssetsSchedule/OtherAssetsScheduleGrp/Desc	0	Accrued Interest
OtherAssetsSchedule/OtherAssetsScheduleGrp/EOYBookValueAmt	0	20813
OtherAssetsSchedule/OtherAssetsScheduleGrp/EOYFMVAmt	0	20813
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	0	Bank Fees
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	1	Licenses
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	2	Mangement Fee - Northern
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	0	59
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	1	69
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	2	31282
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt	0	59
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt	1	69
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt	2	31283
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	0	118
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	1	138
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	2	62565
OtherIncreasesSchedule/OtherIncreasesDetail/Amt	0	70089
OtherIncreasesSchedule/OtherIncreasesDetail/Desc	0	Unrealized Market Appreciation
TaxesSchedule/TaxesDetail/Amt	0	15000
TaxesSchedule/TaxesDetail/CategoryTxt	0	Taxes
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	0	15000
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd	0	true
ReturnHeader/BusinessOfficerGrp/PersonNm	0	Gillian Growdon
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	Secretary
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-05-15
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	MACLEAN FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt	0	MACL
ReturnHeader/Filer/EIN	0	364055957
ReturnHeader/Filer/PhoneNum	0	8475660010
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	1000 ALLANSON ROAD
ReturnHeader/Filer/USAddress/CityNm	0	MUNDELEIN
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	IL
ReturnHeader/Filer/USAddress/ZIPCd	0	60060
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN	0	475621261
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt	0	Naviaux Associates LLC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt	0	53 W Jackson Blvd Suite 738
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm	0	Chicago
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd	0	IL
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd	0	60604
ReturnHeader/PreparerPersonGrp/PhoneNum	0	3126621541
ReturnHeader/PreparerPersonGrp/PreparerPersonNm	0	Matthew Howell
ReturnHeader/ReturnTs	0	2025-05-15T10:57:20-07:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-01-01
ReturnHeader/TaxPeriodEndDt	0	2024-12-31
ReturnHeader/TaxYr	0	2024

Document Assets

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Filings

Displayed year

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

Open filing

Assets: $19,322,781
Liabilities: $0
Net assets: $19,322,781
Revenue: $1,023,152
Expenses: $4,128,069
Net income: -$3,104,917

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2024Detailed filing. Detailed filing data is available for this year.	$19.3	$0.00	$19.3	$1.02	$4.13	$3.10
2023Detailed filing. Detailed filing data is available for this year.	$22.4	$0.00	$22.4	$1.01	$6.31	$5.30
2022Detailed filing. Detailed filing data is available for this year.	$27.5	$0.00	$27.5	$38.0	$10.6	$27.4
2021Detailed filing. Detailed filing data is available for this year.	$0.02	$0.00	$0.02	$0.00	$0.02	$0.02
2020Detailed filing. Detailed filing data is available for this year.	$0.06	$0.00	$0.06	$0.00	$0.03	$0.02
2019Detailed filing. Detailed filing data is available for this year.	$0.08	$0.00	$0.08	$0.02	$0.07	$0.05
2018Detailed filing. Detailed filing data is available for this year.	$0.14	$0.00	$0.14	$0.22	$0.43	$0.21
2017Detailed filing. Detailed filing data is available for this year.	$0.41	$0.03	$0.38	$0.01	$0.12	$0.11
2016Detailed filing. Detailed filing data is available for this year.	$0.48	$0.00	$0.48	$0.00	$0.05	$0.05
2015Detailed filing. Detailed filing data is available for this year.	$0.50	$0.00	$0.50	$0.02	$0.08	$0.07
2014Detailed filing. Detailed filing data is available for this year.	$0.61	$0.03	$0.58	$0.02	$0.11	$0.10
2013Detailed filing. Detailed filing data is available for this year.	$0.64	$0.00	$0.64	$0.01	$0.12	$0.11
2011Detailed filing. Detailed filing data is available for this year.	$0.54	$0.00	$0.54		$0.08