SHEDD AQUARIUM SOCIETY: Form 990, tax year 2024

View the entire original 990 at ProPublica ↗

Organization: SHEDD AQUARIUM SOCIETY (EIN 36-2167918)
Tax period: 2024-01-01 to 2024-12-31
Filed: 2025-10-10
IRS object ID: 202532839349301323
Schema version: 2024v5.1
Source: Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header
Form 990
Schedule A
Schedule B
Schedule C
Schedule D
Schedule F
Schedule G
Schedule I
Schedule J
Schedule K
Schedule M
Schedule O

Return header ReturnHeader

Field	Value	IRS element (for citing)
Return	2025-10-10T11:20:42+00:00	ReturnTs
Tax Period End	2024-12-31	TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

Field	Value	IRS element (for citing)
Preparer Firm EIN	331498605	PreparerFirmEIN

Preparer Firm Name PreparerFirmName

Field	Value	IRS element (for citing)
Business Name Line1	Plante & Moran PLLC	BusinessNameLine1Txt

Preparer US Address PreparerUSAddress

Field	Value	IRS element (for citing)
Address Line1	10 SOUTH RIVERSIDE PLAZA 9TH FLOOR	AddressLine1Txt
City	CHICAGO	CityNm
State Abbreviation	IL	StateAbbreviationCd
ZIP	60606	ZIPCd

Field	Value	IRS element (for citing)
Return Type	990	ReturnTypeCd
Tax Period Begin	2024-01-01	TaxPeriodBeginDt

Filer Filer

Field	Value	IRS element (for citing)
EIN	362167918	EIN

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	SHEDD AQUARIUM SOCIETY	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Business Name Control	SHED	BusinessNameControlTxt
Phone	3126923114	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1200 SOUTH DUSABLE LAKE SHORE DRIVE	AddressLine1Txt
City	CHICAGO	CityNm
State Abbreviation	IL	StateAbbreviationCd
ZIP	60605	ZIPCd

Business Officer BusinessOfficerGrp

Field	Value	IRS element (for citing)
Person	Gary Gordon	PersonNm
Person Title	CHIEF FINANCIAL & ADMIN OFFICER	PersonTitleTxt
Signature	2025-10-10	SignatureDt
Discuss With Paid Preparer	Yes (true)	DiscussWithPaidPreparerInd

Preparer Person PreparerPersonGrp

Field	Value	IRS element (for citing)
Preparer Person	LU ANN TRAPP	PreparerPersonNm
PTIN	P01506476	PTIN
Phone	3122071040	PhoneNum
Preparation	2025-10-10	PreparationDt

Field	Value	IRS element (for citing)
Tax	2024	TaxYr
Build TS	2025-03-06 01:10:19Z	BuildTS

Form 990 IRS990

Principal Ofcr Business Name PrincipalOfcrBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	BRIDGET C COUGHLIN	BusinessNameLine1Txt

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1200 SOUTH DUSABLE LAKE SHORE DRIVE	AddressLine1Txt
City	CHICAGO	CityNm
State Abbreviation	IL	StateAbbreviationCd
ZIP	60605	ZIPCd

Field	Value	IRS element (for citing)
Gross Receipts	$217,971,676	GrossReceiptsAmt
Group Return For Affiliates	false	GroupReturnForAffiliatesInd
Organization501c3	Yes (X)	Organization501c3Ind
Website Address	www.sheddaquarium.org	WebsiteAddressTxt
Type Of Organization Corp	Yes (X)	TypeOfOrganizationCorpInd
Formation	1924	FormationYr
Legal Domicile State	IL	LegalDomicileStateCd
Activity Or Mission	The Shedd Aquarium Society Operates a public aquarium to encourage the connection between animals and guests through exhibits and education programs with the goal of promoting aquatic conservation.	ActivityOrMissionDesc
Voting Members Governing Body	46	VotingMembersGoverningBodyCnt
Voting Members Independent	45	VotingMembersIndependentCnt
Total Employee	659	TotalEmployeeCnt
Total Volunteers	342	TotalVolunteersCnt
Total Gross UBI	-$57,373	TotalGrossUBIAmt
PY Contributions Grants	$26,650,772	PYContributionsGrantsAmt
CY Contributions Grants	$30,332,596	CYContributionsGrantsAmt
PY Program Service Revenue	$48,005,901	PYProgramServiceRevenueAmt
CY Program Service Revenue	$47,568,921	CYProgramServiceRevenueAmt
PY Investment Income	$15,981,297	PYInvestmentIncomeAmt
CY Investment Income	$21,888,406	CYInvestmentIncomeAmt
PY Other Revenue	$2,336,687	PYOtherRevenueAmt
CY Other Revenue	$2,184,879	CYOtherRevenueAmt
PY Total Revenue	$92,974,657	PYTotalRevenueAmt
CY Total Revenue	$101,974,802	CYTotalRevenueAmt
PY Grants And Similar Paid	$295,353	PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid	$524,101	CYGrantsAndSimilarPaidAmt
CY Benefits Paid To Members	$0	CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid	$33,710,916	PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid	$38,518,730	CYSalariesCompEmpBnftPaidAmt
PY Total Prof Fndrsng Expns	$141,348	PYTotalProfFndrsngExpnsAmt
CY Total Prof Fndrsng Expns	$129,985	CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense	$4,437,472	CYTotalFundraisingExpenseAmt
PY Other Expenses	$32,846,855	PYOtherExpensesAmt
CY Other Expenses	$33,621,728	CYOtherExpensesAmt
PY Total Expenses	$66,994,472	PYTotalExpensesAmt
CY Total Expenses	$72,794,544	CYTotalExpensesAmt
PY Revenues Less Expenses	$25,980,185	PYRevenuesLessExpensesAmt
CY Revenues Less Expenses	$29,180,258	CYRevenuesLessExpensesAmt
Total Assets BOY	$703,914,325	TotalAssetsBOYAmt
Total Assets EOY	$780,057,975	TotalAssetsEOYAmt
Total Liabilities BOY	$92,935,664	TotalLiabilitiesBOYAmt
Total Liabilities EOY	$94,180,751	TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY	$610,978,661	NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY	$685,877,224	NetAssetsOrFundBalancesEOYAmt
Mission	Shedd Aquarium's mission is to spark compassion, curiosity and conservation for the aquatic animal world. This is driven by the organization's vision of a world thriving with aquatic life sustained by people who love, understand and protect it.	MissionDesc
Significant New Program Srvc	false	SignificantNewProgramSrvcInd
Significant Change	false	SignificantChangeInd
Expense	$34,604,249	ExpenseAmt
Grant	$228,535	GrantAmt
Revenue	$45,611,019	RevenueAmt
Desc	Conservation education: since Shedd aquarium opened our doors in 1930, Shedd has provided more than 121 million guests the opportunity to look nature in the eye through memorable experiences, while providing opportunities to learn about the animals in our care, and become inspired to make personal choices that drive action for animals. Shedd knows that when people experience aquatic animals up close, it motivates an emotional, empathetic response that shifts attitudes and fosters a personal responsibility for stewardship of local waters, global oceans, and wildlife. Shedd is committed to being one of Chicago's most accessible cultural institutions, offering Illinois resident free days throughout the year, free admission every day as the nation's first aquarium to join the museums for all program, an everyday discount for Chicago residents, students and senior citizens, and free admission for teachers, police and fire personnel, and active-duty military. Inside the aquarium walls, guests look nature in the eye through immersive exhibits, participatory programs facilitated by staff, and extraordinary experiences with animals behind the scenes. The aquarium also shares Shedd's mission by telling accessible, meaningful stories to the public through public relations and marketing efforts developed through the integration of conservation, learning programs, animal care and guest experience. As a trusted national leader in environmental education, Shedd advances experiential learning and action for all youth, teens and adults across the Chicagoland community and beyond. Programs and partnerships taking place at Shedd and in schools, nature, neighborhoods and online are designed to break barriers that prevent Chicagoans from accessing nature and its benefits, support the development of environmental literacy and build a conservation ethos that leads to short- and long-term actions to protect aquatic life.	Desc

Prog Srvc Accom Acty2 ProgSrvcAccomActy2Grp

Field	Value	IRS element (for citing)
Expense	$17,929,902	ExpenseAmt
Grant	$191,773	GrantAmt
Desc	Animal care: Shedd aquarium is home to one of the world's largest and most diverse aquatic collections over 30,000 representing about 1,200 species. A global leader in animal care, Shedd's welfare and husbandry programs support onsite research efforts that contribute to the growing scientific body of knowledge about those species in the wild. Shedd's veterinarians are aquatic medicine pioneers who are advancing the fields of preventative medicine, aging care, and conservation medicine while providing world-class care that further expands understanding of how to support healthy animal populations in aquariums and in the wild. Shedd's animal care expertise lends itself to crisis response around the world. Our animal care team frequently acts as a partner and advisor to international, federal, state, and local government agencies, rescue and rehabilitation organizations, and fellow accredited zoos and aquariums for confiscated, orphaned, or injured wildlife. Shedd's animal care team contributes to the sustainability of aquatic species through advancements in aquaculture, including populations of microscopic live foods, and cooperative management and breeding of critically endangered and threatened species.	Desc

Prog Srvc Accom Acty3 ProgSrvcAccomActy3Grp

Field	Value	IRS element (for citing)
Expense	$3,301,889	ExpenseAmt
Grant	$103,793	GrantAmt
Desc	Conservation science and research: Shedd is located in Chicago, but its research is worldwide. Shedd is one of only 11 Centers for Species Survival, a designation of the International Union for the Conservation of Nature, (IUCN). Shedd's Center for Species Survival focuses on freshwater within the Great Lakes watershed and globally with a concentration in the Americas. Shedd's husbandry, veterinary, and conservation programs are grounded in research that supports healthy animals at Shedd and vibrant wild populations around the world. Shedd's conservation research programs work to protect biodiversity while supporting blue economies, and field researchers often work side-by-side with citizen scientists to conserve wildlife and habitats for future generations. The aquarium's oceanic work includes more than four decades of research on species such as rock iguanas, queen conch, lobster, sharks, and corals. Closer to home, Shedd's Great Lakes research focuses on wildlife and habitat conservation issues where the aquarium's applied studies support local communities and regional agencies in developing access to nature and sound management plans for the Great Lakes and Chicago River. Onsite, Shedd's state-of-the-art facilities and animal care and science team serve as resources for research partners locally and globally. Onsite research provides valuable biological and behavioral information that informs understanding of species which are nearly impossible to study in the wild. In addition to sharing what it learns with the scientific community, Shedd's onsite work contributes to advancing animal health and welfare for aquatic species ranging from invertebrates to marine mammals.	Desc

Field	Value	IRS element (for citing)
Total Program Service Expenses	$55,836,040	TotalProgramServiceExpensesAmt
Described In Section501c3	Yes (true)	DescribedInSection501c3Ind
Schedule B Required	Yes (true)	ScheduleBRequiredInd
Political Campaign Acty	false	PoliticalCampaignActyInd
Lobbying Activities	Yes (true)	LobbyingActivitiesInd
Subject To Proxy Tax	false	SubjectToProxyTaxInd
Donor Advised Fund	false	DonorAdvisedFundInd
Conservation Easements	false	ConservationEasementsInd
Collections Of Art	Yes (true)	CollectionsOfArtInd
Credit Counseling	false	CreditCounselingInd
Donor Rstr Or Quasi Endowments	Yes (true)	DonorRstrOrQuasiEndowmentsInd
Report Land Building Equipment	Yes (true)	ReportLandBuildingEquipmentInd
Report Investments Other Sec	Yes (true)	ReportInvestmentsOtherSecInd
Report Program Related Invst	false	ReportProgramRelatedInvstInd
Report Other Assets	false	ReportOtherAssetsInd
Report Other Liabilities	Yes (true)	ReportOtherLiabilitiesInd
Include FIN48 Footnote	false	IncludeFIN48FootnoteInd
Independent Audit Fincl Stmt	Yes (true)	IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt	false	ConsolidatedAuditFinclStmtInd
School Operating	false	SchoolOperatingInd
Foreign Office	false	ForeignOfficeInd
Foreign Activities	Yes (true)	ForeignActivitiesInd
More Than5000 K To Org	Yes (true)	MoreThan5000KToOrgInd
More Than5000 K To Individuals	false	MoreThan5000KToIndividualsInd
Professional Fundraising	Yes (true)	ProfessionalFundraisingInd
Fundraising Activities	Yes (true)	FundraisingActivitiesInd
Gaming Activities	false	GamingActivitiesInd
Operate Hospital	false	OperateHospitalInd
Grants To Organizations	Yes (true)	GrantsToOrganizationsInd
Grants To Individuals	false	GrantsToIndividualsInd
Schedule J Required	Yes (true)	ScheduleJRequiredInd
Tax Exempt Bonds	Yes (true)	TaxExemptBondsInd
Invest Tax Exempt Bonds	false	InvestTaxExemptBondsInd
Escrow Account	false	EscrowAccountInd
On Behalf Of Issuer	false	OnBehalfOfIssuerInd
Engaged In Excess Benefit Trans	false	EngagedInExcessBenefitTransInd
PY Excess Benefit Trans	false	PYExcessBenefitTransInd
Loan Outstanding	false	LoanOutstandingInd
Grant To Related Person	false	GrantToRelatedPersonInd
Business Rln With Org Mem	false	BusinessRlnWithOrgMemInd
Business Rln With Fam Mem	false	BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent	false	BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri	Yes (true)	DeductibleNonCashContriInd
Deductible Art Contribution	false	DeductibleArtContributionInd
Terminate Operations	false	TerminateOperationsInd
Partial Liquidation	false	PartialLiquidationInd
Disregarded Entity	false	DisregardedEntityInd
Related Entity	false	RelatedEntityInd
Related Organization Ctrl Ent	false	RelatedOrganizationCtrlEntInd
Transaction With Control Ent	false	TransactionWithControlEntInd
Trnsfr Exmpt Non Chrtbl Rltd Org	false	TrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted Prtshp	false	ActivitiesConductedPrtshpInd
Schedule O Required	Yes (true)	ScheduleORequiredInd
IRP Document	142	IRPDocumentCnt
IRP Document W2 G	0	IRPDocumentW2GCnt
Backup Wthld Compliance	Yes (true)	BackupWthldComplianceInd
Employee	659	EmployeeCnt
Employment Tax Returns Filed	Yes (true)	EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over Limit	Yes (true)	UnrelatedBusIncmOverLimitInd
Form990 T Filed	Yes (true)	Form990TFiledInd
Foreign Financial Account	false	ForeignFinancialAccountInd
Prohibited Tax Shelter Trans	false	ProhibitedTaxShelterTransInd
Taxable Party Notification	false	TaxablePartyNotificationInd
Nondeductible Contributions	false	NondeductibleContributionsInd
Quid Pro Quo Contributions	Yes (true)	QuidProQuoContributionsInd
Quid Pro Quo Contri Discl	Yes (true)	QuidProQuoContriDisclInd
Form8282 Property Disposed Of	false	Form8282PropertyDisposedOfInd
Rcv Fnds To Pay Prsnl Bnft Cntrct	false	RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct	false	PayPremiumsPrsnlBnftCntrctInd
Indoor Tanning Services	false	IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt	false	SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc	false	SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VI	Yes (X)	InfoInScheduleOPartVIInd
Governing Body Voting Members	46	GoverningBodyVotingMembersCnt
Independent Voting Member	45	IndependentVotingMemberCnt
Family Or Business Rln	Yes (true)	FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties	Yes (true)	DelegationOfMgmtDutiesInd
Change To Org Documents	Yes (true)	ChangeToOrgDocumentsInd
Material Diversion Or Misuse	false	MaterialDiversionOrMisuseInd
Members Or Stockholders	false	MembersOrStockholdersInd
Election Of Board Members	false	ElectionOfBoardMembersInd
Decisions Subject To Approva	false	DecisionsSubjectToApprovaInd
Minutes Of Governing Body	Yes (true)	MinutesOfGoverningBodyInd
Minutes Of Committees	Yes (true)	MinutesOfCommitteesInd
Officer Mailing Address	false	OfficerMailingAddressInd
Local Chapters	false	LocalChaptersInd
Policies Reference Chapters	false	PoliciesReferenceChaptersInd
Form990 Provided To Gvrn Body	Yes (true)	Form990ProvidedToGvrnBodyInd
Conflict Of Interest Policy	Yes (true)	ConflictOfInterestPolicyInd
Annual Disclosure Covered Prsn	Yes (true)	AnnualDisclosureCoveredPrsnInd
Regular Monitoring Enfrc	Yes (true)	RegularMonitoringEnfrcInd
Whistleblower Policy	Yes (true)	WhistleblowerPolicyInd
Document Retention Policy	Yes (true)	DocumentRetentionPolicyInd
Compensation Process CEO	Yes (true)	CompensationProcessCEOInd
Compensation Process Other	Yes (true)	CompensationProcessOtherInd
Investment In Joint Venture	false	InvestmentInJointVentureInd
Written Policy Or Procedure	false	WrittenPolicyOrProcedureInd
States Where Copy Of Return Is Fld	CA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	CO	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	CT	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	DC	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	FL	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	GA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	AL	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	HI	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	IL	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	KS	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	KY	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	LA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	ME	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MH	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	AK	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MD	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MI	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MN	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MS	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MO	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MT	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NE	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NV	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NH	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NJ	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NM	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NY	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NC	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	ND	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	OH	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	OK	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	OR	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	PW	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	PA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	AZ	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	RI	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	SC	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	SD	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	TN	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	TX	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	VI	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	UT	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	VT	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	VA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	AR	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WV	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WI	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WY	StatesWhereCopyOfReturnIsFldCd
Own Website	Yes (X)	OwnWebsiteInd
Upon Request	Yes (X)	UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	GARY GORDON	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Phone	3126922727	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1200 SOUTH DUSABLE LAKE SHORE DRIVE	AddressLine1Txt
City	CHICAGO	CityNm
State Abbreviation	IL	StateAbbreviationCd
ZIP	60605	ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (61 entries)

TitleTitleTxt	Average Hours Per WeekAverageHoursPerWeekRt	Average Hours Per Week Rltd OrgAverageHoursPerWeekRltdOrgRt	Individual Trustee Or DirectorIndividualTrusteeOrDirectorInd	OfficerOfficerInd	Reportable Comp From OrgReportableCompFromOrgAmt	Reportable Comp From Rltd OrgReportableCompFromRltdOrgAmt	Other CompensationOtherCompensationAmt	Key EmployeeKeyEmployeeInd	Highest Compensated EmployeeHighestCompensatedEmployeeInd
BRIDGET COUGHLIN PHD
President/CEO	45.0	0.0	Yes (X)	Yes (X)	$874,176	$0	$92,247
David J Koo
Chairman of Board	1.0	0.0	Yes (X)	Yes (X)	$0	$0	$0
Alex Singla
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Anders Gustafsson
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Andrew Nocella
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Anna M Livingston
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Brent Gledhill
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Brian A Kenney
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Cara Pan
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Charles Smith
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
David Foulkes
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
David L Epstein
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Dominic Curcio
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Elizabeth Hartigan Connelly
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Ellen L O'Connor
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Ginevra Reed Ralph
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
H John Gilbertson Jr
Trustee - Part-Year	1.0	0.0	Yes (X)		$0	$0	$0
Jane L Warner
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Jeffrey Wright
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Jerry Krulewitch
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
John D Fumagalli
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
John Hesselmann
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
John Holmes
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Joseph S Braik
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Joyce St Clair
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Katie Lawler
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Kenneth Kuhrt
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Kimberly Simios
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Mark Stainton
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Mary L Burke
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Mary S Smith
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Nancy S Searle
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Neil Book
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Rahul Goyal
Trustee - Part-Year	1.0	0.0	Yes (X)		$0	$0	$0
Rev Michael Nabors DMin
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Richard E Erwin
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Richard J Tobin
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Robert H Jordan PhD
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Robert Lyons
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Sarah N Garvey
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Shannel Clubb
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Steve Weller
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Suzanne Yoon
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Thomas N King
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Tracie Haas
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Tracy Souder
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Tyrone C Fahner
Trustee - Part-Year	1.0	0.0	Yes (X)		$0	$0	$0
William J Chase
Trustee	1.0	0.0	Yes (X)		$0	$0	$0
Catherine J Casey
VP & General Counsel	45.0	0.0		Yes (X)	$224,369	$0	$22,246
GARY GORDON
Chief Financial & Admin Officer	45.0	0.0		Yes (X)	$383,749	$0	$39,377
Christine White
SVP, External Affairs & Marketing	45.0	0.0			$150,142	$0	$15,692	Yes (X)
Loraine Smedley
Chief Development Officer	45.0	0.0			$289,536	$0	$30,603	Yes (X)
Meghan Curran
Chief Marketing and Experience Officer	45.0	0.0			$375,846	$0	$50,540	Yes (X)
Nancy Anschel
SVP, Human Resources	45.0	0.0			$260,715	$0	$29,338	Yes (X)
Peggy E Sloan
Chief Animal Conservation Officer	45.0	0.0			$260,968	$0	$27,053	Yes (X)
Robert Wengel
SVP, Facilities and Security	45.0	0.0			$256,013	$0	$36,380	Yes (X)
CHARLES Knapp
VP, Conservation Research	45.0	0.0			$186,094	$0	$34,505		Yes (X)
Danielle M DuMerer
VP, Technology	45.0	0.0			$222,976	$0	$41,066		Yes (X)
Lisa Junkin Lopez
VP, Learning and Community	45.0	0.0			$180,037	$0	$36,950		Yes (X)
Patricia Fraser
VP, Guest Relations	45.0	0.0			$185,504	$0	$21,108		Yes (X)
Sarah Hezel
VP, Design and Exhibits	45.0	0.0			$215,705	$0	$28,925		Yes (X)

Field	Value	IRS element (for citing)
Total Reportable Comp From Org	$4,065,830	TotalReportableCompFromOrgAmt
Tot Reportable Comp Rltd Org	$0	TotReportableCompRltdOrgAmt
Total Other Compensation	$506,030	TotalOtherCompensationAmt
Indiv Rcvd Greater Than100 K	55	IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed	false	FormerOfcrEmployeesListedInd
Total Comp Greater Than150 K	Yes (true)	TotalCompGreaterThan150KInd
Compensation From Other Srcs	false	CompensationFromOtherSrcsInd

Contractor Compensation ContractorCompensationGrp (5 entries)

Address Line1ContractorAddress/USAddress/AddressLine1Txt	CityContractorAddress/USAddress/CityNm	State AbbreviationContractorAddress/USAddress/StateAbbreviationCd	ZIPContractorAddress/USAddress/ZIPCd	ServicesServicesDesc	CompensationCompensationAmt
PEPPERBMI CONSTRUCTION COMPANY LLC
411 LAKE ZURICH RD	BARRINGTON	IL	60010	CONSTRUCTION	$67,065,322
VALERIO DEWALT TRAIN ASSOCIATES INC
500 N DEARBORN 9TH FLOOR	CHICAGO	IL	60654	ARCHITECTURAL DESIGN CONSULTANT	$2,381,295
MONTERREY SECURITY CONSULTANTS INC
2232 S BLUE ISLAND AVE	CHICAGO	IL	60608	SECURITY	$1,617,503
TWO BY FOUR LTD
10 N DEARBORN SUITE 100	CHICAGO	IL	60602	ADVERTISING	$1,374,721
HAMILL PARTNERS INC DBA CRESCENT CLEANING COMPANY
8501 W HIGGINS RD SUITE 169	CHICAGO	IL	60631	CLEANING SERVICES	$1,345,264

Field	Value	IRS element (for citing)
Cntrct Rcvd Greater Than100 K	36	CntrctRcvdGreaterThan100KCnt
Membership Dues	$6,021,002	MembershipDuesAmt
Fundraising	$1,729,571	FundraisingAmt
Government Grants	$5,506,331	GovernmentGrantsAmt
All Other Contributions	$17,075,692	AllOtherContributionsAmt
Noncash Contributions	$4,646,590	NoncashContributionsAmt
Total Contributions	$30,332,596	TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (3 entries)

DescDesc	BusinessBusinessCd	Total Revenue ColumnTotalRevenueColumnAmt	Related Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt	ExclusionExclusionAmt
ADMISSIONS	900099	$43,708,401	$43,708,401
EDUCATIONAL PROGRAMS	900099	$1,567,418	$1,567,418
FOOD SERVICE	722210	$1,365,580		$1,365,580

Total Oth Program Service Rev TotalOthProgramServiceRevGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$927,522	TotalRevenueColumnAmt
Related Or Exempt Func Income	$335,200	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$0	UnrelatedBusinessRevenueAmt
Exclusion	$592,322	ExclusionAmt

Field	Value	IRS element (for citing)
Total Program Service Revenue	$47,568,921	TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$14,274,412	TotalRevenueColumnAmt
Unrelated Business Revenue	-$57,373	UnrelatedBusinessRevenueAmt
Exclusion	$14,331,785	ExclusionAmt

Gross Rents GrossRentsGrp

Field	Value	IRS element (for citing)
Real	$3,251,738	RealAmt

Less Rental Expenses LessRentalExpensesGrp

Field	Value	IRS element (for citing)
Real	$375,353	RealAmt

Rental Income Or Loss RentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Real	$2,876,385	RealAmt
Personal	$0	PersonalAmt

Net Rental Income Or Loss NetRentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$2,876,385	TotalRevenueColumnAmt
Exclusion	$2,876,385	ExclusionAmt

Gross Amount Sales Assets GrossAmountSalesAssetsGrp

Field	Value	IRS element (for citing)
Securities	$122,381,944	SecuritiesAmt

Less Cost Oth Basis Sales Expnss LessCostOthBasisSalesExpnssGrp

Field	Value	IRS element (for citing)
Securities	$114,767,950	SecuritiesAmt

Gain Or Loss GainOrLossGrp

Field	Value	IRS element (for citing)
Securities	$7,613,994	SecuritiesAmt
Other	$0	OtherAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$7,613,994	TotalRevenueColumnAmt
Exclusion	$7,613,994	ExclusionAmt

Field	Value	IRS element (for citing)
Fundraising Gross Income	$103,130	FundraisingGrossIncomeAmt
Contri Rpt Fundraising Event	$1,729,571	ContriRptFundraisingEventAmt
Fundraising Direct Expenses	$853,571	FundraisingDirectExpensesAmt

Net Incm From Fundraising Evt NetIncmFromFundraisingEvtGrp

Field	Value	IRS element (for citing)
Total Revenue Column	-$750,441	TotalRevenueColumnAmt
Exclusion	-$750,441	ExclusionAmt

Other Revenue Misc OtherRevenueMiscGrp

Field	Value	IRS element (for citing)
Desc	OTHER REVENUE	Desc
Business	900099	BusinessCd
Total Revenue Column	$58,935	TotalRevenueColumnAmt
Exclusion	$58,935	ExclusionAmt

Miscellaneous Revenue MiscellaneousRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt
Related Or Exempt Func Income	$0	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$0	UnrelatedBusinessRevenueAmt
Exclusion	$0	ExclusionAmt

Field	Value	IRS element (for citing)
Other Revenue Total	$58,935	OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$101,974,802	TotalRevenueColumnAmt
Related Or Exempt Func Income	$45,611,019	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	-$57,373	UnrelatedBusinessRevenueAmt
Exclusion	$26,088,560	ExclusionAmt

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

Field	Value	IRS element (for citing)
Total	$354,528	TotalAmt
Program Services	$354,528	ProgramServicesAmt

Foreign Grants ForeignGrantsGrp

Field	Value	IRS element (for citing)
Total	$169,573	TotalAmt
Program Services	$169,573	ProgramServicesAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

Field	Value	IRS element (for citing)
Total	$3,759,816	TotalAmt
Program Services	$973,549	ProgramServicesAmt
Management And General	$2,073,667	ManagementAndGeneralAmt
Fundraising	$712,600	FundraisingAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

Field	Value	IRS element (for citing)
Total	$28,876,764	TotalAmt
Program Services	$22,294,848	ProgramServicesAmt
Management And General	$4,547,848	ManagementAndGeneralAmt
Fundraising	$2,034,068	FundraisingAmt

Pension Plan Contributions PensionPlanContributionsGrp

Field	Value	IRS element (for citing)
Total	$1,215,234	TotalAmt
Program Services	$857,841	ProgramServicesAmt
Management And General	$253,265	ManagementAndGeneralAmt
Fundraising	$104,128	FundraisingAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

Field	Value	IRS element (for citing)
Total	$2,426,647	TotalAmt
Program Services	$2,018,853	ProgramServicesAmt
Management And General	$270,707	ManagementAndGeneralAmt
Fundraising	$137,087	FundraisingAmt

Payroll Taxes PayrollTaxesGrp

Field	Value	IRS element (for citing)
Total	$2,240,269	TotalAmt
Program Services	$1,581,419	ProgramServicesAmt
Management And General	$466,891	ManagementAndGeneralAmt
Fundraising	$191,959	FundraisingAmt

Fees For Services Management FeesForServicesManagementGrp

Field	Value	IRS element (for citing)
Total	$3,036,214	TotalAmt
Program Services	$2,916,507	ProgramServicesAmt
Management And General	$98,032	ManagementAndGeneralAmt
Fundraising	$21,675	FundraisingAmt

Fees For Services Legal FeesForServicesLegalGrp

Field	Value	IRS element (for citing)
Total	$473,247	TotalAmt
Management And General	$473,247	ManagementAndGeneralAmt

Fees For Services Accounting FeesForServicesAccountingGrp

Field	Value	IRS element (for citing)
Total	$116,261	TotalAmt
Management And General	$116,261	ManagementAndGeneralAmt

Fees For Services Lobbying FeesForServicesLobbyingGrp

Field	Value	IRS element (for citing)
Total	$5,702	TotalAmt
Management And General	$5,702	ManagementAndGeneralAmt

Fees For Services Prof Fundraising FeesForServicesProfFundraising

Field	Value	IRS element (for citing)
Total	$129,985	TotalAmt
Fundraising	$129,985	FundraisingAmt

Fees For Srvc Invst Mgmnt Fees FeesForSrvcInvstMgmntFeesGrp

Field	Value	IRS element (for citing)
Total	$1,036,839	TotalAmt
Management And General	$1,036,839	ManagementAndGeneralAmt

Fees For Services Other FeesForServicesOtherGrp

Field	Value	IRS element (for citing)
Total	$4,117,192	TotalAmt
Program Services	$3,051,822	ProgramServicesAmt
Management And General	$971,880	ManagementAndGeneralAmt
Fundraising	$93,490	FundraisingAmt

Advertising AdvertisingGrp

Field	Value	IRS element (for citing)
Total	$1,837,256	TotalAmt
Program Services	$1,837,256	ProgramServicesAmt

Office Expenses OfficeExpensesGrp

Field	Value	IRS element (for citing)
Total	$3,490,695	TotalAmt
Program Services	$2,813,375	ProgramServicesAmt
Management And General	$181,478	ManagementAndGeneralAmt
Fundraising	$495,842	FundraisingAmt

Information Technology InformationTechnologyGrp

Field	Value	IRS element (for citing)
Total	$1,264,223	TotalAmt
Program Services	$233,616	ProgramServicesAmt
Management And General	$978,257	ManagementAndGeneralAmt
Fundraising	$52,350	FundraisingAmt

Occupancy OccupancyGrp

Field	Value	IRS element (for citing)
Total	$2,283,333	TotalAmt
Program Services	$2,199,682	ProgramServicesAmt
Management And General	$69,896	ManagementAndGeneralAmt
Fundraising	$13,755	FundraisingAmt

Travel TravelGrp

Field	Value	IRS element (for citing)
Total	$1,231,236	TotalAmt
Program Services	$831,743	ProgramServicesAmt
Management And General	$282,650	ManagementAndGeneralAmt
Fundraising	$116,843	FundraisingAmt

Conferences Meetings ConferencesMeetingsGrp

Field	Value	IRS element (for citing)
Total	$103,868	TotalAmt
Program Services	$62,903	ProgramServicesAmt
Management And General	$28,919	ManagementAndGeneralAmt
Fundraising	$12,046	FundraisingAmt

Interest InterestGrp

Field	Value	IRS element (for citing)
Total	$1,526,609	TotalAmt
Program Services	$1,526,609	ProgramServicesAmt

Depreciation Depletion DepreciationDepletionGrp

Field	Value	IRS element (for citing)
Total	$8,556,143	TotalAmt
Program Services	$8,154,640	ProgramServicesAmt
Management And General	$335,482	ManagementAndGeneralAmt
Fundraising	$66,021	FundraisingAmt

Insurance InsuranceGrp

Field	Value	IRS element (for citing)
Total	$897,465	TotalAmt
Program Services	$859,094	ProgramServicesAmt
Management And General	$32,064	ManagementAndGeneralAmt
Fundraising	$6,307	FundraisingAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDesc	TotalTotalAmt	Program ServicesProgramServicesAmt	Management And GeneralManagementAndGeneralAmt	FundraisingFundraisingAmt
REPAIR AND MAINTENANCE	$1,693,838	$1,625,114	$60,876	$7,848
FOOD SERVICE EXPENSE	$899,588	$899,588
PROFESSIONAL DEVELOPMENT	$451,258	$351,026	$87,565	$12,667
MISCELLANEOUS EXPENSE	$565,435	$221,154	$115,480	$228,801

All Other Expenses AllOtherExpensesGrp

Field	Value	IRS element (for citing)
Total	$35,326	TotalAmt
Program Services	$1,300	ProgramServicesAmt
Management And General	$34,026	ManagementAndGeneralAmt
Fundraising	$0	FundraisingAmt

Total Functional Expenses TotalFunctionalExpensesGrp

Field	Value	IRS element (for citing)
Total	$72,794,544	TotalAmt
Program Services	$55,836,040	ProgramServicesAmt
Management And General	$12,521,032	ManagementAndGeneralAmt
Fundraising	$4,437,472	FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

Field	Value	IRS element (for citing)
BOY	$97,994,316	BOYAmt
EOY	$75,745,313	EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

Field	Value	IRS element (for citing)
BOY	$34,758,779	BOYAmt
EOY	$29,393,895	EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$1,313,173	BOYAmt
EOY	$1,689,670	EOYAmt

Receivables From Officers Etc ReceivablesFromOfficersEtcGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Rcvbl From Disqualified Prsn RcvblFromDisqualifiedPrsnGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

Field	Value	IRS element (for citing)
BOY	$638,373	BOYAmt
EOY	$1,153,291	EOYAmt

Field	Value	IRS element (for citing)
Land Bldg Equip Cost Or Other Bss	$466,178,731	LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec	$250,157,964	LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

Field	Value	IRS element (for citing)
BOY	$144,057,083	BOYAmt
EOY	$216,020,767	EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

Field	Value	IRS element (for citing)
BOY	$372,352,383	BOYAmt
EOY	$394,929,491	EOYAmt

Investments Other Securities InvestmentsOtherSecuritiesGrp

Field	Value	IRS element (for citing)
BOY	$51,253,352	BOYAmt
EOY	$59,457,592	EOYAmt

Investments Program Related InvestmentsProgramRelatedGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt

Other Assets Total OtherAssetsTotalGrp

Field	Value	IRS element (for citing)
BOY	$1,546,866	BOYAmt
EOY	$1,667,956	EOYAmt

Total Assets TotalAssetsGrp

Field	Value	IRS element (for citing)
BOY	$703,914,325	BOYAmt
EOY	$780,057,975	EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

Field	Value	IRS element (for citing)
BOY	$17,816,456	BOYAmt
EOY	$21,174,554	EOYAmt

Deferred Revenue DeferredRevenueGrp

Field	Value	IRS element (for citing)
BOY	$1,281,348	BOYAmt
EOY	$1,460,034	EOYAmt

Tax Exempt Bond Liabilities TaxExemptBondLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$72,065,878	BOYAmt
EOY	$69,535,019	EOYAmt

Loans From Officers Directors LoansFromOfficersDirectorsGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Other Liabilities OtherLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$1,771,982	BOYAmt
EOY	$2,011,144	EOYAmt

Total Liabilities TotalLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$92,935,664	BOYAmt
EOY	$94,180,751	EOYAmt

Field	Value	IRS element (for citing)
Organization Follows FASB117	Yes (X)	OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$412,144,811	BOYAmt
EOY	$464,106,227	EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$198,833,850	BOYAmt
EOY	$221,770,997	EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$610,978,661	BOYAmt
EOY	$685,877,224	EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$703,914,325	BOYAmt
EOY	$780,057,975	EOYAmt

Field	Value	IRS element (for citing)
Info In Schedule O Part XI	Yes (X)	InfoInScheduleOPartXIInd
Reconcilation Revenue Expnss	$29,180,258	ReconcilationRevenueExpnssAmt
Net Unrlzd Gains Losses Invst	$45,585,488	NetUnrlzdGainsLossesInvstAmt
Other Changes In Net Assets	$132,817	OtherChangesInNetAssetsAmt
Method Of Accounting Accrual	Yes (X)	MethodOfAccountingAccrualInd
Accountant Compile Or Review	false	AccountantCompileOrReviewInd
FS Audited	Yes (true)	FSAuditedInd
Audit Committee	Yes (true)	AuditCommitteeInd
Federal Grant Audit Required	Yes (true)	FederalGrantAuditRequiredInd
Federal Grant Audit Performed	Yes (true)	FederalGrantAuditPerformedInd

Schedule A IRS990ScheduleA

Field	Value	IRS element (for citing)
Public Organization170	Yes (X)	PublicOrganization170Ind

Gifts Grants Contri Rcvd170 GiftsGrantsContriRcvd170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$30,809,058	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$65,796,315	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$34,944,299	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$21,027,556	CurrentTaxYearMinus1YearAmt
Current Tax Year	$26,293,278	CurrentTaxYearAmt
Total	$178,870,506	TotalAmt

Tax Rev Levied Orgnztnl Bnft170 TaxRevLeviedOrgnztnlBnft170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$3,910,464	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$4,262,058	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$4,310,481	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$5,623,216	CurrentTaxYearMinus1YearAmt
Current Tax Year	$4,039,318	CurrentTaxYearAmt
Total	$22,145,537	TotalAmt

Govt Furn Srvc Fclts Vl170 GovtFurnSrvcFcltsVl170Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Total Calendar Year170 TotalCalendarYear170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$34,719,522	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$70,058,373	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$39,254,780	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$26,650,772	CurrentTaxYearMinus1YearAmt
Current Tax Year	$30,332,596	CurrentTaxYearAmt
Total	$201,016,043	TotalAmt

Field	Value	IRS element (for citing)
Substantial Contributors Tot	$23,726,670	SubstantialContributorsTotAmt
Public Support Total170	$177,289,373	PublicSupportTotal170Amt

Gross Investment Income170 GrossInvestmentIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$2,135,312	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$5,673,210	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$8,388,200	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$16,360,306	CurrentTaxYearMinus1YearAmt
Current Tax Year	$16,864,664	CurrentTaxYearAmt
Total	$49,421,692	TotalAmt

Unrelated Business Net Incm170 UnrelatedBusinessNetIncm170Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Income170 OtherIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$61,857	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$66,632	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$45,959	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$63,234	CurrentTaxYearMinus1YearAmt
Current Tax Year	$58,935	CurrentTaxYearAmt
Total	$296,617	TotalAmt

Field	Value	IRS element (for citing)
Total Support	$250,734,352	TotalSupportAmt
Gross Receipts Rltd Activities	$179,867,746	GrossReceiptsRltdActivitiesAmt
Public Support CY170	0.70708	PublicSupportCY170Pct
Public Support PY170	0.72722	PublicSupportPY170Pct
Thirty Thr Pct Suprt Tests CY170	Yes (X)	ThirtyThrPctSuprtTestsCY170Ind

Form990 Schedule A Part VI Form990ScheduleAPartVIGrp

Field	Value	IRS element (for citing)
Form And Line Reference	Schedule A, Part II, Line 10 Other Income	FormAndLineReferenceDesc
Explanation	DESCRIPTION - MISCELLANEOUS, COLUMN A - 61857.0, COLUMN B - 66632.0, COLUMN C - 45959.0, COLUMN D - 63234.0, COLUMN E - 58935.0, COLUMN F - 296617.0;	ExplanationTxt

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

Field	Value	IRS element (for citing)
Contributor	RESTRICTED	ContributorNum

Contributor Business Name ContributorBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	RESTRICTED	BusinessNameLine1

Contributor US Address ContributorUSAddress

Field	Value	IRS element (for citing)
Address Line1	RESTRICTED	AddressLine1
Address Line2	RESTRICTED	AddressLine2
City	RESTRICTED	City
State	RESTRICTED	State
ZIP Code	RESTRICTED	ZIPCode

Field	Value	IRS element (for citing)
Total Contributions	RESTRICTED	TotalContributionsAmt

Schedule C IRS990ScheduleC

Field	Value	IRS element (for citing)
Volunteers	false	VolunteersInd
Paid Staff Or Management	Yes (true)	PaidStaffOrManagementInd
Media Advertisements	false	MediaAdvertisementsInd
Mailings Members	false	MailingsMembersInd
Publications Or Broadcast	false	PublicationsOrBroadcastInd
Grants Other Organizations	false	GrantsOtherOrganizationsInd
Direct Contact Legislators	Yes (true)	DirectContactLegislatorsInd
Direct Contact Legislators	$1,533	DirectContactLegislatorsAmt
Rallies Demonstrations	false	RalliesDemonstrationsInd
Other Activities	Yes (true)	OtherActivitiesInd
Other Activities	$5,702	OtherActivitiesAmt
Total Lobbying Expenditures	$7,235	TotalLobbyingExpendituresAmt
Not Described Section501c3	false	NotDescribedSection501c3Ind

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	Schedule C, Part II-B, Line 1 DETAILED DESCRIPTION OF THE LOBBYING ACTIVITY	FormAndLineReferenceDesc
Explanation	The Aquarium devoted part of its lobbying activities to monitoring and communicating with the federal, state and local legislators and agencies in an effort to further initiatives which might benefit the aquarium. The Aquarium supported lobbying efforts in relation to the Museum in The Park coalition in support of these activities in 2024.	ExplanationTxt

Schedule D IRS990ScheduleD

Field	Value	IRS element (for citing)
Collection Used Pub Exhibition	Yes (X)	CollectionUsedPubExhibitionInd
Coll Used Scholarly Rsrch	Yes (X)	CollUsedScholarlyRsrchInd
Collection Used Preservation	Yes (X)	CollectionUsedPreservationInd
Coll Used Loan Or Exch Prog	Yes (X)	CollUsedLoanOrExchProgInd
Solicited Assets Sale	false	SolicitedAssetsSaleInd

CY Endwmt Fund CYEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$380,215,167	BeginningYearBalanceAmt
Contributions	$1,250	ContributionsAmt
Investment Earnings Or Losses	$60,822,324	InvestmentEarningsOrLossesAmt
Other Expenditures	$1,602,445	OtherExpendituresAmt
End Year Balance	$439,436,296	EndYearBalanceAmt

CY Minus1 Yr Endwmt Fund CYMinus1YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$327,594,611	BeginningYearBalanceAmt
Contributions	$600	ContributionsAmt
Investment Earnings Or Losses	$53,984,391	InvestmentEarningsOrLossesAmt
Other Expenditures	$1,364,435	OtherExpendituresAmt
End Year Balance	$380,215,167	EndYearBalanceAmt

CY Minus2 Yr Endwmt Fund CYMinus2YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$359,460,468	BeginningYearBalanceAmt
Contributions	$16,000,000	ContributionsAmt
Investment Earnings Or Losses	-$45,492,866	InvestmentEarningsOrLossesAmt
Other Expenditures	$2,372,991	OtherExpendituresAmt
End Year Balance	$327,594,611	EndYearBalanceAmt

CY Minus3 Yr Endwmt Fund CYMinus3YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$297,530,640	BeginningYearBalanceAmt
Contributions	$3,028,007	ContributionsAmt
Investment Earnings Or Losses	$58,901,821	InvestmentEarningsOrLossesAmt
Other Expenditures	$0	OtherExpendituresAmt
End Year Balance	$359,460,468	EndYearBalanceAmt

CY Minus4 Yr Endwmt Fund CYMinus4YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$277,213,284	BeginningYearBalanceAmt
Contributions	$266,616	ContributionsAmt
Investment Earnings Or Losses	$20,324,623	InvestmentEarningsOrLossesAmt
Other Expenditures	$273,883	OtherExpendituresAmt
End Year Balance	$297,530,640	EndYearBalanceAmt

Field	Value	IRS element (for citing)
Board Designated Balance EOY	0.7263	BoardDesignatedBalanceEOYPct
Prmnnt Endowment Balance EOY	0.0296	PrmnntEndowmentBalanceEOYPct
Term Endowment Balance EOY	0.2441	TermEndowmentBalanceEOYPct
Endowments Held Unrelated Org	false	EndowmentsHeldUnrelatedOrgInd
Endowments Held Related Org	false	EndowmentsHeldRelatedOrgInd

Land LandGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$1,250,000	OtherCostOrOtherBasisAmt
Book Value	$1,250,000	BookValueAmt

Buildings BuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$136,285,759	OtherCostOrOtherBasisAmt
Depreciation	$69,891,492	DepreciationAmt
Book Value	$66,394,267	BookValueAmt

Leasehold Improvements LeaseholdImprovementsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$145,295,121	OtherCostOrOtherBasisAmt
Depreciation	$115,543,985	DepreciationAmt
Book Value	$29,751,136	BookValueAmt

Equipment EquipmentGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$73,032,478	OtherCostOrOtherBasisAmt
Depreciation	$64,722,487	DepreciationAmt
Book Value	$8,309,991	BookValueAmt

Other Land Buildings OtherLandBuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$110,315,373	OtherCostOrOtherBasisAmt
Book Value	$110,315,373	BookValueAmt

Field	Value	IRS element (for citing)
Total Book Value Land Buildings	$216,020,767	TotalBookValueLandBuildingsAmt

Other Securities OtherSecuritiesGrp (5 entries)

DescDesc	Book ValueBookValueAmt	Method ValuationMethodValuationCd
Closely-held equity interests
Financial derivatives
PRIVATE CAPITAL	$51,654,534	F
PRIVATE CAPITAL ESG	$4,141,691	F
REAL ASSETS	$3,661,367	F

Field	Value	IRS element (for citing)
Total Book Value Securities	$59,457,592	TotalBookValueSecuritiesAmt

Other Liabilities Org OtherLiabilitiesOrgGrp (2 entries)

DescDesc	AmtAmt
Federal Income Taxes
ACCRUED POST-RETIREMENT BENEFIT	$2,011,144

Field	Value	IRS element (for citing)
Total Liability	$2,011,144	TotalLiabilityAmt
Total Rev Etc Audited Fincl Stmt	$147,031,621	TotalRevEtcAuditedFinclStmtAmt
Net Unrealized Gains Invst	$45,585,488	NetUnrealizedGainsInvstAmt
Other Revenue	$132,817	OtherRevenueAmt
Revenue Not Reported	$45,718,305	RevenueNotReportedAmt
Revenue Subtotal	$101,313,316	RevenueSubtotalAmt
Investment Expenses Not Incld	$1,036,839	InvestmentExpensesNotIncldAmt
Other Revenues Not Included	-$375,353	OtherRevenuesNotIncludedAmt
Revenue Not Reported Fincl Stmt	$661,486	RevenueNotReportedFinclStmtAmt
Total Revenue Per Form990	$101,974,802	TotalRevenuePerForm990Amt
Tot Expns Etc Audited Fincl Stmt	$72,133,058	TotExpnsEtcAuditedFinclStmtAmt
Other Expenses Included	$375,353	OtherExpensesIncludedAmt
Expenses Not Reported	$375,353	ExpensesNotReportedAmt
Expenses Subtotal	$71,757,705	ExpensesSubtotalAmt
Investment Expenses Not Incld2	$1,036,839	InvestmentExpensesNotIncld2Amt
Other Expenses Not Included	$0	OtherExpensesNotIncludedAmt
Expenses Not Rpt Fincl Stmt	$1,036,839	ExpensesNotRptFinclStmtAmt
Total Expenses Per Form990	$72,794,544	TotalExpensesPerForm990Amt

Supplemental Information Detail SupplementalInformationDetail (6 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule D, Part III, Line 1a Collections of art - financial statement footnote	LIVE ANIMAL INVENTORY THE COSTS OF PURCHASING OR COLLECTING LIVE ANIMALS ARE EXPENSED AS INCURRED. DONATED SPECIMENS ARE NOT VALUED AND, THEREFORE, ARE NOT REFLECTED IN THE FINANCIAL STATEMENTS.
Schedule D, Part III, Line 4 Collections of art - description of collections	The Aquarium houses one of the largest and most diverse collections of live aquatic animals in the world. Currently, this includes 693 species of fishes and 289 species of invertebrates. In addition, there are 41 species of reptiles, 14 species of amphibians, 6 species of mammals, and 14 species of birds. Altogether, the collections include 1057 animal species including 24 protected species.
Schedule D, Part V, Line 4 Intended uses of endowment funds	The intended uses of the endowment are to fund general operations, education programs, conservation activities, and special projects.
Schedule D, Part XI, Line 2(d) Other revenues in audited financial statements not in form 990	Change in value split interest agreements - -5967 Actuarial gain related to retirees medical plan - 23000 Gain on extinghuisment of debt - 115784
Schedule D, Part XI, Line 4(b) Other revenues in form 990 not in audited financial statements	Gift shop Rental expenses - -375353
Schedule D, Part XII, Line 2(d) Other expenses in audited financial statements not in form 990	Gift shop rental expenses - 375353

Schedule F IRS990ScheduleF

Field	Value	IRS element (for citing)
Grant Records Maintained	Yes (true)	GrantRecordsMaintainedInd

Account Activities Outside US AccountActivitiesOutsideUSGrp (25 entries)

RegionRegionTxt	Type Of Activities ConductedTypeOfActivitiesConductedTxt	Region Total ExpendituresRegionTotalExpendituresAmt	EmployeeEmployeeCnt	Specific Services ProvidedSpecificServicesProvidedTxt
Central America and the Caribbean	Investments	$1,145,670
Central America and the Caribbean	Program Services	$1,123	1	Conservation Research/Education
Central America and the Caribbean	Program Services	$3,256	1	Conservation Research/Education
Central America and the Caribbean	Program Services	$842	1	Conservation Research/Education
Central America and the Caribbean	Program Services	$6,476	3	Conservation Research/Education
Central America and the Caribbean	Program Services	$900	1	Conservation Research
East Asia and the Pacific	Program Services	$4,002	1	Conservation Research/Education
East Asia and the Pacific	Program Services	$3,564	1	Conservation Education
East Asia and the Pacific	Program Services	$11,123	1	Conference Attendance
East Asia and the Pacific	Program Services	$7,454	3	Conservation Research
East Asia and the Pacific	Program Services	$4,170	1	Conservation Research
Europe (Including Iceland and Greenland)	Program Services	$21,528	2	Conservation Education
Europe (Including Iceland and Greenland)	Program Services	$3,738	2	Conference Attendance
Middle East and North Africa	Program Services	$5,481	1	Conference Attendance
North America (Canada & Mexico only)	Program Services	$2,002	1	Conservation Education
North America (Canada & Mexico only)	Program Services	$210	1	Conservation Education
North America (Canada & Mexico only)	Program Services	$480	1	Conservation Education
North America (Canada & Mexico only)	Program Services	$28,125	9	Conference Attendance
North America (Canada & Mexico only)	Program Services	$5,373	3	Conference Attendance
North America (Canada & Mexico only)	Program Services	$2,198	3	Conservation Research
North America (Canada & Mexico only)	Program Services	$5,760	3	Conference Attendance
North America (Canada & Mexico only)	Program Services	$6,300	2	Conservation Research
North America (Canada & Mexico only)	Program Services	$1,191	1	Conservation Education
Central America and the Caribbean	Grants to recipients in region	$73,160	3	Conservation Research
East Asia and the Pacific	Grants to recipients in region	$96,413	2	Conservation Research

Field	Value	IRS element (for citing)
Subtotal Offices	0	SubtotalOfficesCnt
Subtotal Employees	21	SubtotalEmployeesCnt
Continuation Total Office	0	ContinuationTotalOfficeCnt
Continuation Total Employee	27	ContinuationTotalEmployeeCnt
Total Office	0	TotalOfficeCnt
Total Employee	48	TotalEmployeeCnt
Subtotal Spent	$1,221,539	SubtotalSpentAmt
Continuation Spent	$219,000	ContinuationSpentAmt
Total Spent	$1,440,539	TotalSpentAmt

Grants To Org Outside US GrantsToOrgOutsideUSGrp (5 entries)

RegionRegionTxt	Purpose Of GrantPurposeOfGrantTxt	Cash GrantCashGrantAmt	Manner Of Cash DisbursementMannerOfCashDisbursementTxt	Non Cash AssistanceNonCashAssistanceAmt	Description Of Non Cash AsstDescriptionOfNonCashAsstTxt	Valuation Method UsedValuationMethodUsedDesc
Central America and the Caribbean	Conservation Research	$25,697	WIRE TRANSFER	$0	N/A	N/A
Central America and the Caribbean	Conservation Research	$30,061	WIRE TRANSFER	$0	N/A	N/A
Central America and the Caribbean	Conservation Research	$17,402	WIRE TRANSFER	$0	N/A	N/A
East Asia and the Pacific	Conservation Research	$36,574	WIRE TRANSFER	$0	N/A	N/A
East Asia and the Pacific	Conservation Research	$59,839	WIRE TRANSFER	$0	N/A	N/A

Field	Value	IRS element (for citing)
Total501c3 Org	5	Total501c3OrgCnt
Total Other Org	0	TotalOtherOrgCnt
Transfer To Foreign Corp	Yes (true)	TransferToForeignCorpInd
Interest In Foreign Trust	false	InterestInForeignTrustInd
Foreign Corp Ownership	Yes (true)	ForeignCorpOwnershipInd
Passive Foreign Investmest Co	Yes (true)	PassiveForeignInvestmestCoInd
Foreign Partnership	Yes (true)	ForeignPartnershipInd
Boycott Countries	false	BoycottCountriesInd

Supplemental Information Detail SupplementalInformationDetail (2 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule F, Part I, Line 2 Procedures for monitoring use of grant funds	Shedd requires reports on how funds were expended and according to plan and evaluation of results of the program's accomplishments.
Schedule F, Part I, Line 3 Method used to account for expenditures on org's financial statements	CENTRAL AMERICA AND THE CARIBBEAN-Accrual; EAST ASIA AND THE PACIFIC-Accrual

Schedule G IRS990ScheduleG

Field	Value	IRS element (for citing)
Mail Solicitations	Yes (X)	MailSolicitationsInd
Email Solicitations	Yes (X)	EmailSolicitationsInd
Phone Solicitations	Yes (X)	PhoneSolicitationsInd
In Person Solicitations	Yes (X)	InPersonSolicitationsInd
Solicitation Of Non Govt Grants	Yes (X)	SolicitationOfNonGovtGrantsInd
Solicitation Of Govt Grants	Yes (X)	SolicitationOfGovtGrantsInd
Special Fundraising Events	Yes (X)	SpecialFundraisingEventsInd
Agrmt Prof Fundraising Acty	Yes (true)	AgrmtProfFundraisingActyInd

Fundraiser Activity Info FundraiserActivityInfoGrp

Organization Business Name OrganizationBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	SCHULTZ & WILLIAMS	BusinessNameLine1Txt

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	ONE PENN CENTER STE 1700	AddressLine1Txt
City	PHILADELPHIA	CityNm
State Abbreviation	PA	StateAbbreviationCd
ZIP	19103	ZIPCd

Field	Value	IRS element (for citing)
Activity	Fundraising Consulting and Direct Response Services	ActivityTxt
Fundraiser Control Of Funds	false	FundraiserControlOfFundsInd
Gross Receipts	$798,444	GrossReceiptsAmt
Retained By Contractor	$129,985	RetainedByContractorAmt
Net To Organization	$668,459	NetToOrganizationAmt

Field	Value	IRS element (for citing)
Total Gross Receipts	$798,444	TotalGrossReceiptsAmt
Total Retained By Contractors	$129,985	TotalRetainedByContractorsAmt
Total Net To Organization	$668,459	TotalNetToOrganizationAmt
Licensed States	CA	LicensedStatesCd
Licensed States	CO	LicensedStatesCd
Licensed States	CT	LicensedStatesCd
Licensed States	DC	LicensedStatesCd
Licensed States	FL	LicensedStatesCd
Licensed States	GA	LicensedStatesCd
Licensed States	AL	LicensedStatesCd
Licensed States	HI	LicensedStatesCd
Licensed States	IL	LicensedStatesCd
Licensed States	KS	LicensedStatesCd
Licensed States	KY	LicensedStatesCd
Licensed States	LA	LicensedStatesCd
Licensed States	ME	LicensedStatesCd
Licensed States	AK	LicensedStatesCd
Licensed States	MD	LicensedStatesCd
Licensed States	MA	LicensedStatesCd
Licensed States	MI	LicensedStatesCd
Licensed States	MN	LicensedStatesCd
Licensed States	MS	LicensedStatesCd
Licensed States	MO	LicensedStatesCd
Licensed States	NV	LicensedStatesCd
Licensed States	NH	LicensedStatesCd
Licensed States	NJ	LicensedStatesCd
Licensed States	NM	LicensedStatesCd
Licensed States	NY	LicensedStatesCd
Licensed States	NC	LicensedStatesCd
Licensed States	ND	LicensedStatesCd
Licensed States	OH	LicensedStatesCd
Licensed States	OK	LicensedStatesCd
Licensed States	OR	LicensedStatesCd
Licensed States	PA	LicensedStatesCd
Licensed States	RI	LicensedStatesCd
Licensed States	SC	LicensedStatesCd
Licensed States	TN	LicensedStatesCd
Licensed States	TX	LicensedStatesCd
Licensed States	UT	LicensedStatesCd
Licensed States	VA	LicensedStatesCd
Licensed States	AR	LicensedStatesCd
Licensed States	WA	LicensedStatesCd
Licensed States	WV	LicensedStatesCd
Licensed States	WI	LicensedStatesCd

Fundraising Event Information FundraisingEventInformationGrp

Field	Value	IRS element (for citing)
Event1	Gala	Event1Nm
Gross Receipts Event1	$1,832,701	GrossReceiptsEvent1Amt
Charitable Contri Event1	$1,729,571	CharitableContriEvent1Amt
Gross Revenue Event1	$103,130	GrossRevenueEvent1Amt
Other Direct Expenses Event1	$853,571	OtherDirectExpensesEvent1Amt
Gross Revenue Event2	$0	GrossRevenueEvent2Amt
Gross Revenue Other Events	$0	GrossRevenueOtherEventsAmt
Gross Receipts Total	$1,832,701	GrossReceiptsTotalAmt
Charitable Contributions Tot	$1,729,571	CharitableContributionsTotAmt
Gross Revenue Total Events	$103,130	GrossRevenueTotalEventsAmt
Oth Direct Expnss Total Events	$853,571	OthDirectExpnssTotalEventsAmt
Direct Expense Summary Events	$853,571	DirectExpenseSummaryEventsAmt
Net Income Summary	-$750,441	NetIncomeSummaryAmt

Schedule I IRS990ScheduleI

Field	Value	IRS element (for citing)
Grant Records Maintained	Yes (true)	GrantRecordsMaintainedInd

Recipient Table RecipientTable (3 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	Recipient EINRecipientEIN	IRC SectionIRCSectionDesc	Cash GrantCashGrantAmt	Purpose Of GrantPurposeOfGrantTxt
Alaska Sealife
301 Railway Ave	Seward	AK	99664	920132479	501(C)(3)	$21,108	Program Support
CHICAGO PARK DISTRICT
4830 S Western Ave	Chicago	IL	60609	366005822	Gov't	$211,550	Program Support
INSIGHT BY ANDERSON LLC DBA THE CORAL REEF AQUARIUM FISHERIES CAMPAIGN
40 Latham St Unit 2R	GROTON	CT	06340	851326483		$92,360	Program Support

Field	Value	IRS element (for citing)
Total501c3 Org	2	Total501c3OrgCnt
Total Other Org	1	TotalOtherOrgCnt

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	Schedule I, Part I, Line 2 Procedures for monitoring use of grant funds	FormAndLineReferenceDesc
Explanation	Shedd requires reports on how funds were expended and according to plan and evaluation of results of the program's accomplishments.	ExplanationTxt

Schedule J IRS990ScheduleJ

Field	Value	IRS element (for citing)
First Class Or Charter Travel	Yes (X)	FirstClassOrCharterTravelInd
Club Dues Or Fees	Yes (X)	ClubDuesOrFeesInd
Written Policy Ref T And E Expnss	Yes (true)	WrittenPolicyRefTAndEExpnssInd
Substantiation Required	Yes (true)	SubstantiationRequiredInd
Compensation Committee	Yes (X)	CompensationCommitteeInd
Independent Consultant	Yes (X)	IndependentConsultantInd
Form990 Of Other Organizations	Yes (X)	Form990OfOtherOrganizationsInd
Compensation Survey	Yes (X)	CompensationSurveyInd
Board Or Committee Approval	Yes (X)	BoardOrCommitteeApprovalInd
Severance Payment	false	SeverancePaymentInd
Supplemental Nonqual Rtr Plan	Yes (true)	SupplementalNonqualRtrPlanInd
Equity Based Comp Arrngm	false	EquityBasedCompArrngmInd
Comp Based On Revenue Of Flng Org	false	CompBasedOnRevenueOfFlngOrgInd
Comp Bsd On Rev Related Orgs	false	CompBsdOnRevRelatedOrgsInd
Comp Bsd Net Earns Flng Org	false	CompBsdNetEarnsFlngOrgInd
Comp Bsd Net Earns Rltd Orgs	false	CompBsdNetEarnsRltdOrgsInd
Any Non Fixed Payments	Yes (true)	AnyNonFixedPaymentsInd
Initial Contract Exception	false	InitialContractExceptionInd

Rltd Org Officer Trst Key Empl RltdOrgOfficerTrstKeyEmplGrp (14 entries)

TitleTitleTxt	Base Compensation Filing OrgBaseCompensationFilingOrgAmt	Compensation Based On Rltd OrgsCompensationBasedOnRltdOrgsAmt	Bonus Filing OrganizationBonusFilingOrganizationAmount	Bonus Related OrganizationsBonusRelatedOrganizationsAmt	Other Compensation Filing OrgOtherCompensationFilingOrgAmt	Other Compensation Rltd OrgsOtherCompensationRltdOrgsAmt	Deferred Compensation Flng OrgDeferredCompensationFlngOrgAmt	Deferred Comp Rltd OrgsDeferredCompRltdOrgsAmt	Nontaxable Benefits Filing OrgNontaxableBenefitsFilingOrgAmt	Nontaxable Benefits Rltd OrgsNontaxableBenefitsRltdOrgsAmt	Total Compensation Filing OrgTotalCompensationFilingOrgAmt	Total Compensation Rltd OrgsTotalCompensationRltdOrgsAmt	Comp Report Prior990 Filing OrgCompReportPrior990FilingOrgAmt	Comp Report Prior990 Rltd OrgsCompReportPrior990RltdOrgsAmt
BRIDGET COUGHLIN PHD
President/CEO	$612,134	$0	$237,800	$0	$24,242	$0	$70,400	$0	$21,847	$0	$966,423	$0	$0	$0
GARY GORDON
Chief Financial & Admin Officer	$307,426	$0	$75,000	$0	$1,323	$0	$38,199	$0	$1,178	$0	$423,126	$0	$35,000	$0
Catherine J Casey
VP & General Counsel	$220,491	$0	$3,000	$0	$878	$0	$13,203	$0	$9,043	$0	$246,615	$0	$0	$0
Loraine Smedley
Chief Development Officer	$289,084	$0	$0	$0	$452	$0	$462	$0	$30,141	$0	$320,139	$0	$0	$0
Meghan Curran
Chief Marketing and Experience Officer	$301,814	$0	$73,333	$0	$699	$0	$38,199	$0	$12,341	$0	$426,386	$0	$20,000	$0
Peggy E Sloan
Chief Animal Conservation Officer	$251,901	$0	$8,000	$0	$1,067	$0	$15,207	$0	$11,846	$0	$288,021	$0	$0	$0
Nancy Anschel
SVP, Human Resources	$249,141	$0	$10,000	$0	$1,574	$0	$14,779	$0	$14,559	$0	$290,053	$0	$0	$0
Robert Wengel
SVP, Facilities and Security	$250,448	$0	$5,000	$0	$565	$0	$15,192	$0	$21,188	$0	$292,393	$0	$0	$0
Christine White
SVP, External Affairs & Marketing	$150,012	$0	$0	$0	$130	$0	$0	$0	$15,692	$0	$165,834	$0	$0	$0
Danielle M DuMerer
VP, Technology	$219,657	$0	$3,000	$0	$319	$0	$13,533	$0	$27,533	$0	$264,042	$0	$0	$0
Sarah Hezel
VP, Design and Exhibits	$208,266	$0	$7,000	$0	$439	$0	$12,616	$0	$16,309	$0	$244,630	$0	$0	$0
CHARLES Knapp
VP, Conservation Research	$182,377	$0	$3,000	$0	$717	$0	$11,458	$0	$23,047	$0	$220,599	$0	$0	$0
Patricia Fraser
VP, Guest Relations	$177,479	$0	$7,000	$0	$1,025	$0	$10,690	$0	$10,418	$0	$206,612	$0	$0	$0
Lisa Junkin Lopez
VP, Learning and Community	$179,873	$0	$0	$0	$164	$0	$11,136	$0	$25,814	$0	$216,987	$0	$0	$0

Supplemental Information Detail SupplementalInformationDetail (4 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule J, Part I, Line 1a First-class or charter travel	The President/CEO and Chief Animal Conservation Officer traveled by first class on certain trips as a result of the specific nature of particular trips. The travel was for bona fide business purpose and was not treated as taxable compensation.
Schedule J, Part I, Line 1a Health or social club dues or initiation fees	THE PRESIDENT/CEO WAS PROVIDED CERTAIN SOCIAL CLUB DUES; THE PORTION OF THIS BENEFIT NOT RELATED TO BONA FIDE BUSINESS PURPOSES (IF ANY) IS TREATED AS TAXABLE COMPENSATION.
Schedule J, Part I, Line 4b Supplemental nonqualified retirement plan	Certain individuals received or accrued deferred compensation at risk, payable upon satisfaction of performance and remaining with the organization through a specific project period. Bridget C. Coughlin-Accrued in 2024 $50,000 to be paid in 2025. Gary Gordon- Accrued in 2024 $20,000 to be paid in 2026. Meghan Curran- Accrued in 2024 $20,000 to be paid in 2026.
Schedule J, Part I, Line 7 Non-fixed payments	COMPENSATION AT RISK OR INCENTIVE PAYMENTS WERE PAID TO CERTAIN PERSONS LISTED IN PART VII, SECTION A, LINE 1A AT THE DISCRETION OF THE BOARD OF TRUSTEES AND PRESIDENT/CEO.

Schedule K IRS990ScheduleK

Tax Exempt Bonds Issues TaxExemptBondsIssuesGrp (2 entries)

Bond ReferenceBondReferenceCd	Bond Issuer EINBondIssuerEIN	CUSIPCUSIPNum	Bond IssuedBondIssuedDt	Issue PriceIssuePriceAmt	PurposePurposeDesc	DefeasedDefeasedInd	On Behalf Of IssuerOnBehalfOfIssuerInd	Pool FinancingPoolFinancingInd
ILLINOIS FINANCE AUTHORITY
A	861091967	000000000	2019-03-14	$18,405,000	REFUNDING/REISSUANCE 2015 BONDS	false	false	false
ILLINOIS FINANCE AUTHORITY
B	861091967	45204FTW5	2022-12-22	$64,027,086	series 2022 - buildings and structures	false	false	false

Tax Exempt Bonds Proceeds TaxExemptBondsProceedsGrp (2 entries)

Bond ReferenceBondReferenceCd	RetiredRetiredAmt	Total ProceedsTotalProceedsAmt	Other Spent ProceedsOtherSpentProceedsAmt	Refunding Tax Exempt BondsRefundingTaxExemptBondsInd	Refunding Taxable BondsRefundingTaxableBondsInd	Final Allocation MadeFinalAllocationMadeInd	Adequate Books And Rec MaintAdequateBooksAndRecMaintInd	Issuance Costs From ProceedsIssuanceCostsFromProceedsAmt	Capital ExpendituresCapitalExpendituresAmt	Substantial CompletionSubstantialCompletionYr
A	$11,340,000	$18,405,000	$18,405,000	Yes (true)	false	Yes (true)	Yes (true)
B		$65,974,787		false	false	Yes (true)	Yes (true)	$721,133	$65,253,354	2024

Tax Exempt Bonds Private Bus Use TaxExemptBondsPrivateBusUseGrp (2 entries)

Bond ReferenceBondReferenceCd	Owning Bond Financed PropertyOwningBondFinancedPropertyInd	Any Lease ArrangementsAnyLeaseArrangementsInd	Mgmt Contract Bond Fincd PropMgmtContractBondFincdPropInd	Engage Bond Counsel ContractsEngageBondCounselContractsInd	Any Research AgreementsAnyResearchAgreementsInd	Engage Bond Counsel ResearchEngageBondCounselResearchInd	Private Bus Use By OthersPrivateBusUseByOthersPct	Private Bus Concerning UBIPrivateBusConcerningUBIPct	Total Private Business UseTotalPrivateBusinessUsePct	Bond Iss Meet Prvt Sec Pymt TestBondIssMeetPrvtSecPymtTestInd	Change In Use Bond Financed PropChangeInUseBondFinancedPropInd	Change In Use Bond Financed PropChangeInUseBondFinancedPropPct	Remedial Action TakenRemedialActionTakenInd	Procs Nonqualified Bond RemdtdProcsNonqualifiedBondRemdtdInd
A	false	false	false	false	false	false	0	0	0.0	false	false	0	false	false
B	false	false	false	false	false	false	0	0	0.0	false	false	0	false	Yes (true)

Tax Exempt Bonds Arbitrage TaxExemptBondsArbitrageGrp (2 entries)

Bond ReferenceBondReferenceCd	Form8038 T FiledForm8038TFiledInd	Rebate Not Due YetRebateNotDueYetInd	Exception To RebateExceptionToRebateInd	No Rebate DueNoRebateDueInd	Variable Rate IssueVariableRateIssueInd	Hedge Identified In Bks And RecHedgeIdentifiedInBksAndRecInd	Term Of HedgeTermOfHedgePct	Superintegrated HedgeSuperintegratedHedgeInd	Hedge TerminatedHedgeTerminatedInd	Gross Proceeds Invested In GICGrossProceedsInvestedInGICInd	Term Of GICTermOfGICPct	Regulatory Safe Harbor StsfdRegulatorySafeHarborStsfdInd	Gross Proceeds InvestedGrossProceedsInvestedInd	Written Proc To Monitor ReqsWrittenProcToMonitorReqsInd
A	false	false	Yes (true)	false	false	false	0	false	false	false	0	false	false	Yes (true)
B	false	false	false	Yes (true)	false	false	0	false	false	false	0	false	false	Yes (true)

Procedures Corrective Action ProceduresCorrectiveActionGrp (2 entries)

Bond ReferenceBondReferenceCd	Procedures Corrective ActionProceduresCorrectiveActionInd
A	Yes (true)
B	Yes (true)

Supplemental Information Detail SupplementalInformationDetail (2 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule K, Part II, Line 3	PLUS INVESTMENT EARNINGS
Schedule K, Part IV, Line 2c COLUMN B	Issuer name: ILLINOIS FINANCE AUTHORITY The calculation for computing no rebate due was performed on 06/22/2024

Schedule M IRS990ScheduleM

Securities Publicly Traded SecuritiesPubliclyTradedGrp

Field	Value	IRS element (for citing)
Contribution	26	ContributionCnt
Noncash Contributions Rpt F990	$3,838,663	NoncashContributionsRptF990Amt
Method Of Determining Revenues	Other - Fair Market Value	MethodOfDeterminingRevenuesTxt

Other Non Cash Contri Table OtherNonCashContriTableGrp (4 entries)

Non Cash CheckboxNonCashCheckboxInd	DescDesc	ContributionContributionCnt	Noncash Contributions Rpt F990NoncashContributionsRptF990Amt	Method Of Determining RevenuesMethodOfDeterminingRevenuesTxt
Yes (X)	TRAVEL/TICKETS	1	$317,375	Other - Fair Market Value
Yes (X)	SUPPLIES	2	$223,062	Other - Fair Market Value
Yes (X)	EQUIPMENT	2	$263,689	Other - Fair Market Value
Yes (X)	Professional Services	1	$3,801	Other - Fair Market Value

Field	Value	IRS element (for citing)
Any Property That Must Be Held	false	AnyPropertyThatMustBeHeldInd
Review Process Unusual NC Gifts	Yes (true)	ReviewProcessUnusualNCGiftsInd
Third Parties Used	false	ThirdPartiesUsedInd

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (10 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Form 990, Part VI, Line 1a Delegate broad authority to a committee	The Executive Committee of the Board of Trustees has the power and authority of the Board of Trustees and may act on behalf of the Board of Trustees between meetings of the Board, subject to certain limitations. Under the terms of the organization's bylaws, the executive committee is made up of five to ten members of the Board of Trustees elected by the board at its annual meeting; in addition, the chairperson of the Board serves as an ex officio member with a vote.
Form 990, Part VI, Line 2 Family/business relationships amongst interested persons	TRUSTEE MARY SMITH AND LIFE TRUSTEE STEVE SMITH - Family relationship, TRUSTEES BRIAN KENNEY AND ELIZABETH CONNELLY - Business relationship, TRUSTEES JOHN HOLMES AND BOB LYONS - Business relationship, TRUSTEES RICH TOBIN AND TOM KING - Business relationship
Form 990, Part VI, Line 3 Delegation of management duties	The organization contracts with Sodexo America, LLC and Event Network, Inc. to manage and operate food services and gift shops, respectively, at the aquarium.
Form 990, Part VI, Line 4 Significant changes to organizational documents	By-law changes - Section 4.2: Changed number of Trustees Section 4.5: Clarified role of Ex-Officio Honorary Trustees Section 4.6: Replaced quarterly meeting requirement with a minimum of two meetings per year Section 4.10: Updated unanimous consent process to reflect current practice Section 4.11: Updated waiver of notice process to reflect current practice Section 4.13: Clarified process for removing a Trustee Section 4.2: Removed the need to elect Officers of the Corporation every 3 years; instead they are elected until they resign, die, or are removed by the board Section 5.4: Established a line of succession if Board Chair is not available Section 6.1: Established four governance committees and the ability of the board to create programmatic committees by resolution Section 6.2: Clarified Executive Committee election process Section 6.3: Updated the mandate of the Nominating & Governance committee Section 6.4: Updated the mandate of the Finance & Audit Committee Section 6.6: Established a line of succession if a Committee Chair is not available
Form 990, Part VI, Line 11b Review of form 990 by governing body	The completed form 990, including schedules, was made available to the Board of Trustees. Trustees were requested to review the final form 990, including schedules. Any questions or comments were directed to the organization's Chief Financial and Administrative Officer.
Form 990, Part VI, Line 12c Conflict of interest policy	Annually, trustees and senior management are asked to review the organization's code of ethics and complete a code of ethics statement and questionnaire, which includes their agreement to report promptly any reportable matters. Such statements are reviewed and evaluated by the Board Chairman, or their designee, for any conflict.
Form 990, Part VI, Line 15a Process to establish compensation of top management official	The Human Capital Committee (the Committee) of the Board of Trustees is responsible for the annual review of the compensation of the officers and key employees of the organization. All members of the committee are independent. In determining the compensation of the President/CEO, the Committee evaluates her performance against previously agreed upon criteria, considers comparable market data, then debates and documents its recommendation of reasonable compensation. In determining the compensation of other officers and key employees, the same procedures are performed; however, the committee considers the CEO's evaluation of the staffs' performance. The recommendations are then taken to the Executive Committee of the Board for final review and action.
Form 990, Part VI, Line 19 Required documents available to the public	CERTAIN OF THE ORGANIZATION'S GOVERNING DOCUMENTS ARE MADE AVAILABLE UPON REQUEST. ITS AUDITED FINANCIAL STATEMENTS AND PUBLIC-DISCLOSURE COPIES OF ITS FORM 990 ARE INCLUDED ON ITS WEB SITE.
Form 990, Part VIII, Line 2f Other Program Service Revenue	All other program service revenue - Total Revenue: 927522, Related or Exempt Function Revenue: 335200, Unrelated Business Revenue: , Revenue Excluded from Tax Under Sections 512, 513, or 514: 592322;
Form 990, Part XI, Line 9 Other changes in net assets or fund balances	CHANGE IN VALUE OF SPLIT INTEREST AGREEMENTS - -5967; Actuarial gain on medical plan - 23000; Gain on extinguishment of debt - 115784;