William Stephen Tellam Foundation

990PF • Fiscal year 2024 • EIN 93-1565366

Jan 01, 2024 to Dec 31, 2024 • Filed on May 13, 2025

Organization Profile

11072 Caminito Vista PacificaSan Diego, CA 92131

(619) 890-5984

Siviq Scores

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

0.00x

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

2024 filings • <$500k nonprofits • Source year 2024

0.00x

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

2024 filings • <$500k nonprofits • Source year 2024

95%

Higher net margin than 98% of similar nonprofits.

2024 filings • <$500k nonprofits • Source year 2024

Higher top officer pay than 79% of similar nonprofits.

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

2024 filings • <$500k nonprofits • Source year 2024

57%

Faster asset growth than 88% of similar nonprofits.

2024 filings • <$500k nonprofits • Annualized from 2023 to 2024

-46%

Faster revenue growth than 12% of similar nonprofits.

2024 filings • <$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets61st percentile

Assets

$287,579

Up $103,861 (+57%) from 2023

Net Assets

$287,579

Up $103,861 (+57%) from 2023

Liabilities

Flat

Flat from 2023

Revenue And Expenses

Liabilities / Revenue62nd percentile Net Margin98th percentile

Revenue

Down

$108,104

Down $92,488 (-46%) from 2023

Expenses

Down

$5,320

Down $11,554 (-68%) from 2023

Net Income

Down

$102,784

Down $80,934 (-44%) from 2023

Historical Trend

Balance Sheet Trend

Asset Growth88th percentile

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

Highlighted filing

2024

Assets$287,579

Liabilities$0

Net Assets$287,579

Open 2024 Filing

Operations Trend

Revenue Growth12th percentile

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

Highlighted filing

2024

Revenue$108,104

Expenses$5,320

Net Income$102,784

Open 2024 Filing

Jump To

Filing Snapshot

Filing Period: Jan 1, 2024 to Dec 31, 2024
Signed: May 13, 2025
Return Version: 2024v5.1

Compensation and Service Providers

Top Officer Pay79th percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
Warren Magill	President	-	$0	-	-
Kathryn Starr	Treasurer	-	$0	-	-
Guy Curtis	Secretary	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: William Stephen Tellam Foundation
EIN: 93-1565366
Phone: 6198905984
Address: 11072 Caminito Vista Pacifica, San Diego, CA 92131

Signing Officer

Name: Warren Magill
Title: President
Signed: 2025-05-13
Discuss with paid preparer: Yes

Preparer

Firm: Brenda Magill
Address: 11072 Caminito Vista Pacifica, San Diego, CA 92131
Preparer: Brenda Magill
Phone: 6199802992

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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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InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt	0	102157
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IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxDueAmt	0	98
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IRS990PF/Form990PFBalanceSheetsGrp/CapitalStockBOYAmt	0	183718
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IRS990PF/MethodOfAccountingCashInd	0	X
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IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyCashBalancesAmt	0	184361
IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt	0	8513
IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt	0	2893
IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt	0	0
IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt	0	9499
IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt	0	189981
IRS990PF/MinimumInvestmentReturnGrp/ReductionClaimedAmt	0	0
IRS990PF/MinimumInvestmentReturnGrp/TotalFMVOfUnusedAssetsAmt	0	192874
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdCntrctOrNONETxt	0	NONE
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdEmplOrNONETxt	0	NONE
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm	2	Guy Curtis
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	1	Treasurer
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt	2	Secretary
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm	1	San Diego
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm	2	San Diego
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd	0	CA
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd	1	CA
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IRS990PF/Organization501c3ExemptPFInd	0	X
IRS990PF/PFQualifyingDistributionsGrp/ExpensesAndContributionsAmt	0	5312
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IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm	0	San Diego
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd	0	CA
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd	0	92131
IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd	0	false
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IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd	1	DE
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IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt	0	Warren Magill
IRS990PF/StatementsRegardingActyGrp/PhoneNum	0	6198905984
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IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd	0	false
IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt	0	N/A
IRS990PF/SupplementaryInformationGrp/ContributingManagerNm	0	Kathryn Starr
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd	0	X
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd	0	false
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IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd	0	false
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt	0	5312
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	9401
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt	0	4089
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt	0	14938
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt	0	4089
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt	0	10849
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt	0	10849
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	5312
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IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	14938
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
IRS990ScheduleB/ContributorInformationGrp/ContributorNum	0	1
IRS990ScheduleB/ContributorInformationGrp/ContributorPersonNm	0	Kathryn Starr
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1Txt	0	6050 Henderson Drive 12
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/CityNm	0	La Mesa
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/StateAbbreviationCd	0	CA
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCd	0	91942
IRS990ScheduleB/ContributorInformationGrp/NoncashContributionInd	0	X
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt	0	101080
IRS990ScheduleB/GeneralRuleInd	0	X
IRS990ScheduleB/NonCashPropertyContributionGrp/ContributorNum	0	1
IRS990ScheduleB/NonCashPropertyContributionGrp/FairMarketValueAmt	0	101080
IRS990ScheduleB/NonCashPropertyContributionGrp/NoncashPropertyDesc	0	65 shares of Qualcomm Common Stock
IRS990ScheduleB/NonCashPropertyContributionGrp/ReceivedDt	0	2024-12-20
IRS990ScheduleB/Organization501c3ExemptPFInd	0	X
LegalFeesSchedule/LegalFeesGrp/AdjustedNetIncomeAmt	0	0
LegalFeesSchedule/LegalFeesGrp/CategoryTxt	0	Legal fees
LegalFeesSchedule/LegalFeesGrp/DisbursementsCharitablePrpsAmt	0	3761
LegalFeesSchedule/LegalFeesGrp/LegalFeesAmt	0	3761
LegalFeesSchedule/LegalFeesGrp/NetInvestmentIncomeAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	0	Bank Charges
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	1	Misc
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	2	State fees
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	0	150
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	1	51
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	2	75
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	0	150
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	1	51
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	2	75
TaxesSchedule/TaxesDetail/Amt	0	8
TaxesSchedule/TaxesDetail/CategoryTxt	0	Federal tax
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	0	8
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd	0	true
ReturnHeader/BusinessOfficerGrp/PersonNm	0	Warren Magill
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	President
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-05-13
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	William Stephen Tellam Foundation
ReturnHeader/Filer/BusinessNameControlTxt	0	WILL
ReturnHeader/Filer/EIN	0	931565366
ReturnHeader/Filer/PhoneNum	0	6198905984
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	11072 Caminito Vista Pacifica
ReturnHeader/Filer/USAddress/CityNm	0	San Diego
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	CA
ReturnHeader/Filer/USAddress/ZIPCd	0	92131
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN	0	830567861
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt	0	Brenda Magill
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt	0	11072 Caminito Vista Pacifica
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm	0	San Diego
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd	0	CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd	0	92131
ReturnHeader/PreparerPersonGrp/PhoneNum	0	6199802992
ReturnHeader/PreparerPersonGrp/PreparerPersonNm	0	Brenda Magill
ReturnHeader/PreparerPersonGrp/SelfEmployedInd	0	X
ReturnHeader/ReturnTs	0	2025-05-13T12:04:49-07:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-01-01
ReturnHeader/TaxPeriodEndDt	0	2024-12-31
ReturnHeader/TaxYr	0	2024

Document Assets

No mirrored PDF or thumbnail assets are attached yet.

Filings

Displayed year

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

Open filing

Assets: $287,579
Liabilities: $0
Net assets: $287,579
Revenue: $108,104
Expenses: $5,320
Net income: $102,784

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2025Detailed filing. Detailed filing data is available for this year.
2024Detailed filing. Detailed filing data is available for this year.	$2.88	$0.00	$2.88	$1.08	$0.05	$1.03
2023Detailed filing. Detailed filing data is available for this year.	$1.84	$0.00	$1.84	$2.01	$0.17	$1.84