STRATEGY STUDIO / PUBLIC DATA EXPLORER

LADENBURG FOUNDATION

Cite this

Plain text LADENBURG FOUNDATION. Strategy Studio, nonprofit organization profile, tax years 2020–2025. https://strategystudio.org/org/134156286. Retrieved 2026-10-20.

APA Strategy Studio. (n.d.). LADENBURG FOUNDATION [Nonprofit organization profile; tax years 2020–2025]. Retrieved October 20, 2026, from https://strategystudio.org/org/134156286

MLA “LADENBURG FOUNDATION.” Strategy Studio, tax years 2020–2025, https://strategystudio.org/org/134156286. Accessed 20 Oct. 2026.

Retrieved 2026-10-20; covers tax years 2020–2025. Data: Strategy Studio, CC BY 4.0.

2025 · Form 990PF · revenue $4K · expenses $4K · assets $0

EIN
13-4156286
Address
CO ANCHIN - 3 TIMES SQUARE 25TH F, NEW YORK, NY 10036-0000
NTEE code
T22
Subsection
501(c)(3)
Ruling year
2001
Cross-check
ProPublica Nonprofit Explorer

Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).

People paid by the organization

None of the 3 people listed on these returns reported compensation from the organization. They are listed below.

Officers and directors, no compensation reported

3 people listed on the returns with $0 (or no amount) in every compensation column: current people first. Hours are as filed on the latest return each person appears on.

NameLatest titleYearsHrs/wk (latest)CompensationOrganizations
Claudia Engelhorn DIRECTOR,CHAIRWOMAN2020-2025 2 $0 reported 1
Dr Martin Bussmann DIR., PRES., TREAS.2020-2025 2 $0 reported 1
Margaret Blades DIRECTOR2020-2025 2 $0 reported 1

People by year

2025 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
CLAUDIA ENGELHORN DIRECTOR,CHAIRWOMAN2 $0-$0 $01
DR MARTIN BUSSMANN DIR., PRES., TREAS.2 $0-$0 $01
MARGARET BLADES DIRECTOR2 $0-$0 $01
2024 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
CLAUDIA ENGELHORN DIRECTOR,CHAIRWOMAN2 $0-$0 $01
DR MARTIN BUSSMANN DIR., PRES., TREAS.2 $0-$0 $01
MARGARET BLADES DIRECTOR2 $0-$0 $01
2023 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
CLAUDIA ENGELHORN DIRECTOR,CHAIRWOMAN2 $0-$0 $01
DR MARTIN BUSSMANN DIR., PRES., TREAS.2 $0-$0 $01
MARGARET BLADES DIRECTOR2 $0-$0 $01
2022 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
CLAUDIA ENGELHORN DIRECTOR,CHAIRWOMAN2 $0-$0 $01
DR MARTIN BUSSMANN DIR., PRES., TREAS.2 $0-$0 $01
MARGARET BLADES DIRECTOR2 $0-$0 $01
2021 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
CLAUDIA ENGELHORN DIRECTOR,CHAIRWOMAN2 $0-$0 $01
DR MARTIN BUSSMANN DIR., PRES., TREAS.2 $0-$0 $01
MARGARET BLADES DIRECTOR2 $0-$0 $01
2020 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
CLAUDIA ENGELHORN DIRECTOR,CHAIRWOMAN2 $0-$0 $01
DR MARTIN BUSSMANN DIR., PRES., TREAS.2 $0-$0 $01
MARGARET BLADES DIRECTOR2 $0-$0 $01

Highest-paid independent contractors

No independent contractors reported.

Who the money went to

Grants this organization reported paying: Schedule I Part II of the Form 990, or the grants-paid list on the 990-PF. Open a year for every recipient. Recipients link to their own page when the grant names an EIN we have (990-PF grants list no EIN, so those link only on an exact, unique name and state). Grants to individuals are counted; their names are not shown.

2025 · 1 grant to organizations · $7
2022 · 1 grant to organizations · $16K
2021 · 3 grants to organizations · $20K
2020 · 3 grants to organizations · $101K

Negative amounts are returned or refunded grants; they are listed last and left out of the totals of grants paid.

Who gave

Contributors listed on Schedule B of the Form 990-PF: name, city and state as filed (street addresses are not shown), with total and noncash contributions for the year. A link to an organization's page is tagged Fuzzy with its name-similarity score (0 to 1) when it rests on name and state; Schedule B lists no EIN, so no link here is an exact identifier match.

2023 · 4 contributors · $10K
#ContributorTypeCity, stateTotalNoncashSource
1 MARGARET BLADES Person NEW YORK, NY $3,400- Form 990PF Sch. B, 2023 · filing
2 RICHARD BUSSMANN Person NEW YORK, NY $3,400- Form 990PF Sch. B, 2023 · filing
3 COURTNEY BUSSMANN Person NEW YORK, NY $3,400- Form 990PF Sch. B, 2023 · filing
4 LUCY WHITEHEAD Person NEW YORK, NY $150- Form 990PF Sch. B, 2023 · filing
2022 · 4 contributors · $21K
#ContributorTypeCity, stateTotalNoncashSource
1 MARGARET BLADES Organization or other NEW YORK, NY $16,000- Form 990PF Sch. B, 2022 · filing
2 RICHARD BUSSMANN Organization or other NEW YORK, NY $1,600- Form 990PF Sch. B, 2022 · filing
3 MARGARET BLADES Organization or other NEW YORK, NY $1,600- Form 990PF Sch. B, 2022 · filing
4 COURTNEY BUSSMANN Organization or other NEW YORK, NY $1,600- Form 990PF Sch. B, 2022 · filing
2021 · 4 contributors · $21K
#ContributorTypeCity, stateTotalNoncashSource
3 MARGARET BLADES Organization or other NEW YORK, NY $8,000- Form 990PF Sch. B, 2021 · filing
4 CLAUDIA ENGELHORN Organization or other NEW YORK, NY $8,000- Form 990PF Sch. B, 2021 · filing
1 MARGARET BLADES Organization or other NEW YORK, NY $2,733- Form 990PF Sch. B, 2021 · filing
2 RICHARD BUSSMANN Organization or other NEW YORK, NY $2,733- Form 990PF Sch. B, 2021 · filing
2020 · 3 contributors · $98K
#ContributorTypeCity, stateTotalNoncashSource
1 MARGARET BLADES Organization or other NEW YORK, NY $43,667- Form 990PF Sch. B, 2020 · filing
2 RICHARD BUSSMANN Organization or other NEW YORK, NY $43,667- Form 990PF Sch. B, 2020 · filing
3 MARTIN BUSSMANN Organization or other NEW YORK, NY $10,333- Form 990PF Sch. B, 2020 · filing

Contributors listed here are as reported on the filing. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

Finances

Newest first. Each filing: its name on one row, its figures on the row beneath. Greyed filings are superseded by a later return for the same period and are left out everywhere else on this page.

RevenueExpensesAssetsNet assetsContributionsProgram revenueOfficer payEmployeesVolunteers
2025 · Form 990PF period ending 2025-12-31 · view filing · original 990 ↗
$3,626$3,633 $0$0 $3,626- $0--
2024 · Form 990PF period ending 2024-12-31 · view filing · original 990 ↗
$2,002$1,995 $7$7 $1,995- $0--
2023 · Form 990PF period ending 2023-12-31 · view filing · original 990 ↗
$10,440$12,331 $0$0 $10,350- $0--
2022 · Form 990PF period ending 2022-12-31 · view filing · original 990 ↗
$20,824$20,825 $1,891$1,891 $20,800- $0--
2021 · Form 990PF period ending 2021-12-31 · view filing · original 990 ↗
$21,468$24,980 $1,892$1,892 $21,467- $0--
2020 · Form 990PF period ending 2020-12-31 · view filing · original 990 ↗
$97,730$105,791 $5,404$5,404 $97,667- $0--

Funders of this organization

Not reported: no grants to this organization appear in the filings we have (tax years 2010 to 2025).

Similar organizations

Ranked without any AI: same NTEE code first, then the same NTEE group; then revenue within 2x, 5x or 10x; then the same state; then similar name and mission text. Same state only · More (100)

OrganizationStateNTEELatest revenueLatest expensesTop-paid titleTop payWhy similar
D & G FOUNDATIONNYT22 $4,004$7,650 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state, similar name
SFM FOUNDATIONNYT22 $2,552$115,392 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state, similar name
LEADER FOUNDATION INCNYT22 $3,479$1,143 DIRECTOR$0 Same NTEE code T22, revenue within 2x, same state, similar name
LAKE FAMILY FOUNDATIONNYT22 $4,600$88,504 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state, similar name
WEEJ FOUNDATIONNYT22 $3,421$28,769 PRESIDENT/TREASURER$0 Same NTEE code T22, revenue within 2x, same state, similar name
YAFAH FOUNDATIONNYT22 $5,000$73,500 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state, similar name
Y&M FOUNDATION INCNYT22 $5,000$10,030 OFFICER$0 Same NTEE code T22, revenue within 2x, same state
YZB FOUNDATION INCNYT22 $2,500$2,486 PRESIDENT$0 Same NTEE code T22, revenue within 2x, same state
A&DS FOUNDATION INCNYT22 $5,110$11,301 PRESIDENT$0 Same NTEE code T22, revenue within 2x, same state
VAN STEEN FOUNDATIONNYT22 $5,009$5,851 DIRECTOR$0 Same NTEE code T22, revenue within 2x, same state
TOKARZ FOUNDATION INCNYT22 $3,995$2,427 President$0 Same NTEE code T22, revenue within 2x, same state
THE RHODES FOUNDATIONNYT22 $4,254$0 PRESIDENT & TREASURER/AS R$0 Same NTEE code T22, revenue within 2x, same state
UNITED TEN FOUNDATIONNYT22 $2,733$354 PRESIDENT$0 Same NTEE code T22, revenue within 2x, same state
RICHARD ROTH FOUNDATIONNYT22 $4,897$4,539 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
BAIS SHLOMA FOUNDATIONNYT22 $5,017$10,922 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
REIDY FAMILY FOUNDATIONNYT22 $2,423$3,107 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
MATLIN FAMILY FOUNDATIONNYT22 $4,155$4,155 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
MATER DEI FOUNDATION INCNYT22 $4,099$72,433 CHAIRPERSON$0 Same NTEE code T22, revenue within 2x, same state
WARWICK GROVE FOUNDATIONNYT22 $3,000$3,558 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
MW CHARITABLE FOUNDATIONNYT22 $4,614$3,000 Trustee$0 Same NTEE code T22, revenue within 2x, same state
AMBROSINO FOUNDATION INCNYT22 $4,633$6,650 PRESIDENT & DIR$0 Same NTEE code T22, revenue within 2x, same state
QUINLAN FAMILY FOUNDATIONNYT22 $5,067$6,000 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
TEXAS ALLIANCE FOUNDATIONNYT22 $3,629$3,077 DIRECTOR$0 Same NTEE code T22, revenue within 2x, same state
KOPP FAMILY FOUNDATION INCNYT22 $3,546$8,729 PRESIDENT/TREASURER$0 Same NTEE code T22, revenue within 2x, same state
GOOD SEEDS FOUNDATION INCNYT22 $3,000$4,325 Trustee$0 Same NTEE code T22, revenue within 2x, same state

Who funds organizations like this

Grantors that funded the 100 most similar organizations. Ranked by total given to them. Foundations (990-PF) and donor-advised fund sponsors only. Same matching as Funders above (by EIN, or by name for foundations).

GrantorTypeTotal givenGrantsOrganizations fundedYearsWhich ones
KATHERINE W DUMKE & EZEKIEL R DUMKE JR Private foundation$5,536,9452 12019–2020 R FOUNDATION
GREATER MIAMI JEWISH FEDERATION DAF sponsor$165,0005 12012–2016 NEW YORK PHYSICIANS FOUNDATION INC
E&SS FOUNDATION INC Private foundation$18,0001 12021–2021 NEW YORK PHYSICIANS FOUNDATION INC
JAMES & VIRGINIA WELCH FOUNDATION Private foundation$1,0001 12015–2015 NEW YORK PHYSICIANS FOUNDATION INC

The full list · all similar organizations

Where the money went

Every expense line on each return, biggest first: Form 990 Part IX (with its program, management and fundraising columns), 990-EZ Part I, or 990-PF Part I. Event marks lines the organization itself describes as events. “Events” in each summary adds those lines, conferences and meetings, and the direct costs of fundraising events. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

2025 · Form 990PF · $3,633 spent · pay $0 · grants $7 · events $0
LineAs describedTotalShare
Fees: accounting $3,171 87.3%
Fees: legal $455 12.5%
Contributions, gifts, grants paid $7 0.2%
Total$3,633100%

View the filing

2024 · Form 990PF · $1,995 spent · pay $0 · grants $0 · events $0
LineAs describedTotalShare
Fees: accounting $1,995 100.0%
Total$1,995100%

View the filing

2023 · Form 990PF · $12,331 spent · pay $0 · grants $0 · events $0
LineAs describedTotalShare
Fees: accounting $12,331 100.0%
Total$12,331100%

View the filing

2022 · Form 990PF · $20,825 spent · pay $0 · grants $16,000 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $16,000 76.8%
Fees: accounting $4,800 23.0%
Other expenses $25 0.1%
Total$20,825100%

View the filing

2021 · Form 990PF · $24,980 spent · pay $0 · grants $20,155 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $20,155 80.7%
Fees: accounting $4,800 19.2%
Other expenses $25 0.1%
Total$24,980100%

View the filing

2020 · Form 990PF · $105,791 spent · pay $0 · grants $101,266 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $101,266 95.7%
Fees: accounting $4,500 4.3%
Other expenses $25 0.0%
Total$105,791100%

View the filing