Civic Intelligence

Tortoise Foundation

990PF • Fiscal year 2023 • EIN 46-1093279

Jan 01, 2023 to Dec 31, 2023 • Filed on Nov 17, 2025

1177 Avenue Of The Americas 18th FNew York, NY 10036

(646) 213-5100

Siviq Scores

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

Liabilities / Assets

72nd percentile

0.00x

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

2023 filings • NTEE T20 • <$500k nonprofits • Source year 2023

Liabilities / Revenue

71st percentile

0.00x

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

2023 filings • NTEE T20 • <$500k nonprofits • Source year 2023

Net Margin

11th percentile

-774%

Higher net margin than 11% of similar nonprofits.

2023 filings • NTEE T20 • <$500k nonprofits • Source year 2023

Top Officer Pay

92nd percentile

$0

Higher top officer pay than 92% of similar nonprofits.

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

2023 filings • NTEE T20 • <$500k nonprofits • Source year 2023

Asset Growth

17th percentile

-36%

Faster asset growth than 17% of similar nonprofits.

2023 filings • NTEE T20 • <$500k nonprofits • Annualized from 2022 to 2023

Revenue Growth

88th percentile

354%

Faster revenue growth than 88% of similar nonprofits.

2023 filings • NTEE T20 • <$500k nonprofits • Annualized from 2022 to 2023

Assets

Down

$126,054

Down $70,867 (-36%) from 2022

Net Assets

Down

$126,054

Down $70,867 (-36%) from 2022

Liabilities

Flat

$0

Flat from 2022

Revenue

Up

$9,156

Up $7,139 (+354%) from 2022

Expenses

Down

$80,023

Down $7,477 (-8.5%) from 2022

Net Income

Up

-$70,867

Up $14,616 (+17%) from 2022

Historical Trend

Balance Sheet Trend

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

$400K$300K$200K$100K$0Assets 2013: $0Liabilities 2013: $0Net Assets 2013: $02013Assets 2014: $328,657Liabilities 2014: $0Net Assets 2014: $328,6572014Assets 2015: $328,657Liabilities 2015: $0Net Assets 2015: $328,6572015Assets 2016: $202,855Liabilities 2016: $0Net Assets 2016: $202,8552016Assets 2017: $202,843Liabilities 2017: $0Net Assets 2017: $202,8432017Assets 2018: $195,386Liabilities 2018: $0Net Assets 2018: $195,3862018Assets 2019: $359,871Liabilities 2019: $0Net Assets 2019: $359,8712019Assets 2020: $307,365Liabilities 2020: $0Net Assets 2020: $307,3652020Assets 2021: $282,404Liabilities 2021: $0Net Assets 2021: $282,4042021Assets 2022: $196,921Liabilities 2022: $0Net Assets 2022: $196,9212022Assets 2023: $126,054Liabilities 2023: $0Net Assets 2023: $126,0542023Assets 2024: $76,375Liabilities 2024: $0Net Assets 2024: $76,3752024

Highlighted filing

2023

Assets$126,054
Liabilities$0
Net Assets$126,054

Operations Trend

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

$800K$600K$400K$200K$0-$200KRevenue 2013: $86,048Expenses 2013: $86,048Net Income 2013: $02013Revenue 2014: $650,407Expenses 2014: $321,750Net Income 2014: $328,6572014Revenue 2015: $565Expenses 2015: $565Net Income 2015: $02015Revenue 2016: -$125,652Expenses 2016: $150Net Income 2016: -$125,8022016Revenue 2017: $338Expenses 2017: $350Net Income 2017: -$122017Revenue 2018: $2,893Expenses 2018: $10,350Net Income 2018: -$7,4572018Revenue 2019: $204,536Expenses 2019: $40,051Net Income 2019: $164,4852019Revenue 2020: $985Expenses 2020: $53,491Net Income 2020: -$52,5062020Revenue 2021: $39Expenses 2021: $25,000Net Income 2021: -$24,9612021Revenue 2022: $2,017Expenses 2022: $87,500Net Income 2022: -$85,4832022Revenue 2023: $9,156Expenses 2023: $80,023Net Income 2023: -$70,8672023Revenue 2024: $5,321Expenses 2024: $55,000Net Income 2024: -$49,6792024

Highlighted filing

2023

Revenue$9,156
Expenses$80,023
Net Income-$70,867
Jump To
Filing Snapshot
Filing Period
Jan 1, 2023 to Dec 31, 2023
Signed
Nov 17, 2025
Return Version
2023v6.0
Compensation and Service Providers

Employees

NameTitleFull / Part TimeBaseOtherTotal
SETH L HARRISONDirector-$0--
ARIANE LOURIE HARRISONDirector-$0--
Filing and Contact Details

Filer

Filer Name
Tortoise Foundation
EIN
46-1093279
Phone
6462135100
Address
1177 AVENUE OF THE AMERICAS 18TH F, NEW YORK, NY 10036

Signing Officer

Name
Seth L Harrison
Title
Director
Phone
6462135100
Signed
2025-11-17
Discuss with paid preparer
Yes

Preparer

Firm
Andersen Tax LLC
Address
1177 AVENUE OF THE AMERICAS 18TH, FLOOR, NEW YORK, NY 10036
Preparer
David Roberts
Phone
6462135100
Raw XML Appendix278 raw XML fields

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

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IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt010631
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt028583
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt034513
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt00
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt00
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt080000
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt071245
IRS990PF/UndistributedIncomeGrp/Taxable1Amt00
IRS990PF/UndistributedIncomeGrp/Taxable2Amt00
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt0221448
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt0150203
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt00
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc0INVESTMENT EXPENSES
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt023
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt023
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0SETH L HARRISON
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0DIRECTOR
ReturnHeader/BusinessOfficerGrp/PhoneNum06462135100
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-17
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0TORTOISE FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt0TORT
ReturnHeader/Filer/EIN0461093279
ReturnHeader/Filer/PhoneNum06462135100
ReturnHeader/Filer/USAddress/AddressLine1Txt01177 AVENUE OF THE AMERICAS 18TH F
ReturnHeader/Filer/USAddress/CityNm0NEW YORK
ReturnHeader/Filer/USAddress/StateAbbreviationCd0NY
ReturnHeader/Filer/USAddress/ZIPCd010036
ReturnHeader/IRSResponsiblePrtyInfoCurrInd00
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0331197384
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0ANDERSEN TAX LLC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt01177 AVENUE OF THE AMERICAS 18TH
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine2Txt0FLOOR
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0NEW YORK
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0NY
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd010036
ReturnHeader/PreparerPersonGrp/PhoneNum06462135100
ReturnHeader/PreparerPersonGrp/PreparationDt02025-11-12
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0DAVID ROBERTS
ReturnHeader/ReturnTs02025-11-17T12:56:51-06:00
ReturnHeader/ReturnTypeCd0990PF
ReturnHeader/TaxPeriodBeginDt02023-01-01
ReturnHeader/TaxPeriodEndDt02023-12-31
ReturnHeader/TaxYr02023

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