Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 36-2935678 • 501(c)3 • Lemont, IL
Profile
To Promote Lithuanian Language Culture.The Lithuanian Opera Company of Chicago was founded by Lithuanian imigrants in 1956 and presents operas in Lithuanian . It celebrated fifty years of existence in 2006 , and operates as a not-for-profit organization. The Lithuanian Opera Co is comprised of people of all ages and professions who have one common characteris
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
50th percentile
Higher net margin than 50% of similar nonprofits.
Top Officer Pay
81st percentile
Higher top officer pay than 81% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
58th percentile
Faster asset growth than 58% of similar nonprofits.
Revenue Growth
11th percentile
Faster revenue growth than 11% of similar nonprofits.
Assets
Up$101,971
Up $1,706 (+1.7%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$101,971
Up $1,706 (+1.7%) from 2024
Revenue
Down$41,188
Down $108,602 (-73%) from 2024
Expenses
Down$40,561
Down $74,993 (-65%) from 2024
Net Income
Down$627
Down $33,609 (-98%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
To Promote Lithuanian Language Culture.The Lithuanian Opera Company of Chicago was founded by Lithuanian imigrants in 1956 and presents operas in Lithuanian . It celebrated fifty years of existence in 2006 , and operates as a not-for-profit organization. The Lithuanian Opera Co is comprised of people of all ages and professions who have one common characteris
The Lithuanian Opera Company of Chicago was founded by Lithuanian emigrants. The Lithuanian Opera Co presents opera in Lithuanian language. Lithuanian Opera Co is cultural nonprofit organization promoting Lithuanian cult
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $100,265 | $101,971 | ▲ $1,706 |
| Savings and Temporary Cash Investments | - | $100,000 | - |
| Cash and Non-Interest-Bearing Accounts | $100,265 | $1,971 | ▼ $98,294 |
| Total Assets | $100,265 | $101,971 | ▲ $1,706 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $100,265 | $101,971 | ▲ $1,706 |
| Total Liabilities and Net Assets / Fund Balance | $100,265 | $101,971 | ▲ $1,706 |
| Name | Title |
|---|---|
| Mindaugas Razumas | President |
| Diana Soblinskas | Vice President |
| Edmundas Pranckevicius | Director |
| Ingrida Pranskevicene | Director |
| Rasa Malcus | Director |
| Rasa Ruzgas | Director |
| Vilma Vilimiene | Director |
| Laisvida Pilkionis | Secretary |
| Inga Auskalniene | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $40,561 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Travel | - | - | - | $11,165 |
| Other Expenses | - | - | - | $7,820 |
| Occupancy | - | - | - | $5,600 |
| All Other Expenses | - | - | - | $3,520 |
| Advertising | - | - | - | $727 |
| Fees for Services Accounting | - | - | - | $725 |
| Information Technology | - | - | - | $59 |
| Office Expenses | - | - | - | $13 |
| Total Functional Expenses | $0 | $0 | $0 | $40,561 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The check written on June 26, 2025, and cashed on July 1, 2025”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | true |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The Lithuanian Opera Company of Chicago was founded by Lithuanian emigrants. The Lithuanian Opera Co presents opera in Lithuanian language. Lithuanian Opera Co is cultural nonprofit organization promoting Lithuanian cult |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 727 |
| IRS990/AllOtherContributionsAmt | 0 | 24313 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 3520 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | false |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Inga Auskalniene |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6307743086 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 14911 E 127th Street |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Lemont |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60439 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 100265 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1971 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 28413 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 40561 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 12775 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 627 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 40561 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 41188 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | Tickets sale of operatic performances and Lithuanian Opera organized events. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/ExcsTaxSect4951Or4952Or4953Ind | 0 | false |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 725 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8886TFiledInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 009.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 005.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 005.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 005.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 003.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 003.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Mindaugas Razumas |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Laisvida Pilkionis |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Rasa Malcus |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Inga Auskalniene |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Edmundas Pranckevicius |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Diana Soblinskas |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Vilma Vilimiene |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Rasa Ruzgas |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Ingrida Pranskevicene |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1977 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 41188 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 59 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestTaxExemptBondsInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | IL |
| IRS990/LicensedMoreThanOneStateInd | 0 | false |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 4100 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | To Promote Lithuanian Language Culture.The Lithuanian Opera Company of Chicago was founded by Lithuanian imigrants in 1956 and presents operas in Lithuanian . It celebrated fifty years of existence in 2006 , and operates as a not-for-profit organization. The Lithuanian Opera Co is comprised of people of all ages and professions who have one common characteris |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 100265 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 101971 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NoncashContributionsAmt | 0 | 4000 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 5600 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 13 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 1000 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | Decorations, costumes misc. |
| IRS990/OtherExpensesGrp/Desc | 1 | Annual registration fees, chargebacks |
| IRS990/OtherExpensesGrp/Desc | 2 | Supplies |
| IRS990/OtherExpensesGrp/Desc | 3 | Orchestra expense |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 6646 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 176 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 4110 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 7820 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | Mindaugas Razumas |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 79 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 711300 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 541800 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Sale - Opera Tickets |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | Sale-Raffle tickets |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 8885 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 8885 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 3890 |
| IRS990/ProgramServiceRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 3890 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | Donations |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 24313 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | Membership Dues |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 4100 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 117255 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 115554 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 32535 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 34236 |
| IRS990/PYTotalExpensesAmt | 0 | 115554 |
| IRS990/PYTotalRevenueAmt | 0 | 149790 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 627 |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 8885 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 100265 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 101971 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 100000 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 28413 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 117255 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 16386 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 105159 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2934 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 270147 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 12775 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 32535 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 16560 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 34831 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 2000 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 98701 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 368848 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 41188 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 149790 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 32946 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 139990 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 4934 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 368848 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 41188 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 149790 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 32946 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 139990 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 4934 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 368848 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | The check written on June 26, 2025, and cashed on July 1, 2025 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part IX, Line 9 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | IL |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxableDistributionsInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 100265 |
| IRS990/TotalAssetsEOYAmt | 0 | 101971 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 100265 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 101971 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 28413 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 40561 |
| IRS990/TotalGrossUBIAmt | 0 | 3890 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 100265 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 101971 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 12775 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 8885 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 41188 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 3890 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 100265 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 101971 |
| IRS990/TravelGrp/TotalAmt | 0 | 11165 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 10 Tanglewood Ct |
| IRS990/USAddress/CityNm | 0 | Indian Head Park |
| IRS990/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/USAddress/ZIPCd | 0 | 60525 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 9 |
| IRS990/VotingMembersIndependentCnt | 0 | 9 |
| IRS990/WebsiteAddressTxt | 0 | www.operalt.com |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| IRS990/WrittenPolicyOrProcedureInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Mindaugas Razumas |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | President |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-05 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Lithuanian Opera Co |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | LITH |
| ReturnHeader/Filer/EIN | 0 | 362935678 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 14911 E 127th St |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Lemont |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 60439 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 364538800 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | GDS International Co |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 8931 McVicker Ave |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Oak Lawn |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 60453 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 7082371110 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-11-07 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Dana Simonelis EA |
| ReturnHeader/ReturnTs | 0 | 2025-11-07T08:55:14-00:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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