Civic Intelligence

The Quercus Foundation

EIN 30-6578339 • Clayton, CA

Pub. 78 Eligible
5433 Clayton Rd K164Clayton, CA 94517
Siviq Scores

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

Liabilities / Assets

32nd percentile

0.00x

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

$1M-$5M nonprofits • Source year 2024

Liabilities / Revenue

33rd percentile

0.00x

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

$1M-$5M nonprofits • Source year 2024

Net Margin

26th percentile

-7.9%

Higher net margin than 26% of similar nonprofits.

$1M-$5M nonprofits • Source year 2024

Top Officer Pay

47th percentile

$0

Higher top officer pay than 47% of similar nonprofits.

$1M-$5M nonprofits • Source year 2025

Asset Growth

72nd percentile

11%

Faster asset growth than 72% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2023 to 2024

Revenue Growth

81st percentile

58%

Faster revenue growth than 81% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets32nd percentile

Using 2024 Form 990PF data because the latest 2025 filing does not report standard financial totals.

Assets

Up

$1,585,872

Up $158,341 (+11%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$1,585,872

Up $158,341 (+11%) from 2023

Operations
Liabilities / Revenue33rd percentileNet Margin26th percentile

Revenue

Up

$62,540

Up $23,056 (+58%) from 2023

Expenses

Down

$67,472

Down $2,516 (-3.6%) from 2023

Net Income

Up

-$4,932

Up $25,572 (+84%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth72nd percentile

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

$2.0M$1.5M$1.0M$500K$0Assets 2019: $1,376,994Liabilities 2019: $0Net Assets 2019: $1,376,9942019Assets 2020: $1,497,728Liabilities 2020: $0Net Assets 2020: $1,497,7282020Assets 2021: $1,667,509Liabilities 2021: $0Net Assets 2021: $1,667,5092021Assets 2022: $1,270,151Liabilities 2022: $0Net Assets 2022: $1,270,1512022Assets 2023: $1,427,531Liabilities 2023: $0Net Assets 2023: $1,427,5312023Assets 2024: $1,585,872Liabilities 2024: $0Net Assets 2024: $1,585,8722024

Latest loaded filing

2024

Assets$1,585,872
Liabilities$0
Net Assets$1,585,872
Open 2024 Filing

Operations Trend

Revenue Growth81st percentile

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

$100K$50K$0-$50K-$100KRevenue 2019: $25,956Expenses 2019: $59,514Net Income 2019: -$33,5582019Revenue 2020: $43,315Expenses 2020: $67,354Net Income 2020: -$24,0392020Revenue 2021: $33,944Expenses 2021: $68,459Net Income 2021: -$34,5152021Revenue 2022: $27,827Expenses 2022: $77,839Net Income 2022: -$50,0122022Revenue 2023: $39,484Expenses 2023: $69,988Net Income 2023: -$30,5042023Revenue 2024: $62,540Expenses 2024: $67,472Net Income 2024: -$4,9322024

Latest loaded filing

2024

Revenue$62,540
Expenses$67,472
Net Income-$4,932
Open 2024 Filing

Filings

Most recent year

2025 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
-
Liabilities
-
Net assets
-
Revenue
-
Expenses
-
Net income
-
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.
2024Detailed filing. Detailed filing data is available for this year.$1.59$0.00$1.59$0.06$0.07$0.00
2023Detailed filing. Detailed filing data is available for this year.$1.43$0.00$1.43$0.04$0.07$0.03
2022Detailed filing. Detailed filing data is available for this year.$1.27$0.00$1.27$0.03$0.08$0.05
2021Detailed filing. Detailed filing data is available for this year.$1.67$0.00$1.67$0.03$0.07$0.03
2020Detailed filing. Detailed filing data is available for this year.$1.50$0.00$1.50$0.04$0.07$0.02
2019Detailed filing. Detailed filing data is available for this year.$1.38$0.00$1.38$0.03$0.06$0.03
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Apr 3, 2026
Return Version
2025v4.1
Compensation and Service Providers
Top Officer Pay47th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Richard AielloTrustee-$0--
Paula AielloTrustee-$0--
Grants and Assistance

Foundation Grants and Related Investments

TypeRecipientPurposeStatusLocationAmount
Paid Grant-General Support-Oakland, CA, US$10,000
Paid Grant-General Support-Oakland, CA, US$10,000
Paid Grant-General Support-Concord, CA, US$10,000
Paid Grant-General Support-Washington, DC, US$10,000
Paid Grant-General Support-Washington, DC, US$10,000
Paid Grant-General Support-New York, NY, US$5,000
Paid Grant-General Support-New York, NY, US$5,000
Paid Grant-General Support-New York, NY, US$5,000
Paid Grant-General Support-New York, NY, US$2,500
Paid Grant-General Support-Concord, CA, US$2,500
Paid Grant-General Support-New York, NY, US$2,500
Filing and Contact Details

Filer

Filer Name
The Quercus Foundation
EIN
30-6578339
Phone
9258957603
Address
5433 Clayton Rd K164, Clayton, CA 94517

Signing Officer

Name
Richard Aiello
Title
Trustee
Signed
2026-04-03
Discuss with paid preparer
No

Preparer

Firm
Fontanello Duffield & Otake LLP
Address
111 Pine Street Suite 1750, San Francisco, CA 94111
Preparer
Antonio Tellez Jr
Phone
4159830200
Raw XML Appendix319 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/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt3N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt4N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt5N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt6N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt7N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt8N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt9N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt10N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt0122 E 42nd St
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt11506 Mendocino Dr
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt2433 Jefferson Street
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt3PO Box 2599
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt44010 Nelson Ave
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt540 Rector St 16th Floor
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt6200 Massachusetts Ave NW 7th Fl
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt7228 Park Ave S 84810
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt8120 Broadway Suite 1750
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt9PO Box 18697
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt1015 W 38th St Unit 636
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm0New York
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm1Concord
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm2Oakland
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm3Oakland
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm4Concord
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm5New York
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm6Washington
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm7New York
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm8New York
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm9Washington
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm10New York
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd1CA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd2CA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd3CA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd4CA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd5NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd6DC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd7NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd8NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd9DC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd10NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd010168
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd194521
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd294607
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd394614
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd494520
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd510006
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd620001
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd710003
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd810271
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd920036
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd1010018
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd0X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt072500
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd0false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd0false
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt021
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt075040
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt081638
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt075061
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt081617
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt075040
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc0Filing Fees
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc1Postage & Shipping
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt050
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt1216
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt050
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt1216
TaxesSchedule/TaxesDetail/Amt0900
TaxesSchedule/TaxesDetail/CategoryTxt0Federal Excise Tax on Investments
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0false
ReturnHeader/BusinessOfficerGrp/PersonNm0Richard Aiello
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Trustee
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-04-03
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0The Quercus Foundation
ReturnHeader/Filer/BusinessNameControlTxt0QUER
ReturnHeader/Filer/EIN0306578339
ReturnHeader/Filer/PhoneNum09258957603
ReturnHeader/Filer/USAddress/AddressLine1Txt05433 Clayton Rd K164
ReturnHeader/Filer/USAddress/CityNm0Clayton
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
ReturnHeader/Filer/USAddress/ZIPCd094517
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0371420474
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0Fontanello Duffield & Otake LLP
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0111 Pine Street Suite 1750
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0San Francisco
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd094111
ReturnHeader/PreparerPersonGrp/PhoneNum04159830200
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0Antonio Tellez Jr
ReturnHeader/ReturnTs02026-04-03T16:44:13-07:00
ReturnHeader/ReturnTypeCd0990PF
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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