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Nonprofit · EIN 22-2231640

MARTIN AND TONI SOSNOFF FOUNDATION

Tax-exempt · PALM BEACH, FL 33480

Financials

$2.2M$6.6M2022$493K$2.3M2023$6.1M$2.3M2024
Revenue Expenses · by fiscal year end
Financials of MARTIN AND TONI SOSNOFF FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
November 30, 2025990-PF$6,095,464$2,298,717$3,796,747$8,701,897$0$8,701,897
November 30, 2024990-PF$492,949$2,268,970-$1,776,021$5,032,316$0$5,032,316
November 30, 2023990-PF$2,178,920$6,631,972-$4,453,052$6,864,234$0$6,864,234
Financial details: 990-PF for the year ended November 30, 2025

Revenue

Contributions, gifts and grants
$5,503,852
Dividends
$93,201
Net gain from sales of assets
$345,485
Other income
$152,926

Expenses

Grants and similar amounts paid
$2,215,650
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$2,215,650
Excise tax on investment income
$7,846

Balance sheet and other

Total assets, start of year
$5,032,316
Total assets, end of year
$8,701,897
Total liabilities, end of year
$0
Net assets, end of year
$8,701,897
Fair market value of assets
$8,993,534
Qualifying distributions
$2,215,650
Net investment income
$591,612

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-PF for the year ended November 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
MARTIN SOSNOFF
260 VIA BELLARIA, PALM BEACH, FL 33480
TRUSTEE1$0
TONI SOSNOFF
260 VIA BELLARIA, PALM BEACH, FL 33480
TRUSTEE1$0
990-PF for the year ended November 30, 2024: 2 people
NameTitleHours / weekCompensation
MARTIN SOSNOFF
260 VIA BELLARIA, PALM BEACH, FL 33480
TRUSTEE1$0
TONI SOSNOFF
260 VIA BELLARIA, PALM BEACH, FL 33480
TRUSTEE1$0
990-PF for the year ended November 30, 2023: 2 people
NameTitleHours / weekCompensation
MARTIN SOSNOFF
260 VIA BELLARIA, PALM BEACH, FL 33480
TRUSTEE1$0
TONI SOSNOFF
260 VIA BELLARIA, PALM BEACH, FL 33480
TRUSTEE1$0

Address and contacts

Address (IRS master file)
260 VIA BELLARIA, PALM BEACH, FL 33480-4901
Signed the 990-PF
MARTIN SOSNOFF, TRUSTEE
Phone
(561) 855-6259
Return prepared by
CBIZ ADVISORS LLC

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in November, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2024November 30, 2025April 15, 2026990-PF on file
2023November 30, 2024April 15, 2025990-PF on file
2022November 30, 2023April 15, 2024990-PF on file

IRS record

EIN
22-2231640
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
1993
Accounting year ends
November
Files
Form 990-PF
Assets (IRS master file)
$8,701,897
Income (IRS master file)
$13,339,343

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFNovember 2025$6,095,464$2,298,717$8,701,897XML
990-TNovember 2025–––IRS
990-PFNovember 2024$492,949$2,268,970$5,032,316XML
990-TNovember 2024–––IRS
990-PFNovember 2023$2,178,920$6,631,972$6,864,234XML
990-TNovember 2023–––IRS
990-PFNovember 2022–––IRS
990-TNovember 2022–––IRS
990-PFNovember 2021–––IRS
990-TNovember 2021–––IRS
990-PFNovember 2020–––IRS
990-PFNovember 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 22-2231640).

Questions about MARTIN AND TONI SOSNOFF FOUNDATION

What is the EIN of MARTIN AND TONI SOSNOFF FOUNDATION?
The employer identification number (EIN) of MARTIN AND TONI SOSNOFF FOUNDATION is 22-2231640.
Is MARTIN AND TONI SOSNOFF FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1993.
Are donations to MARTIN AND TONI SOSNOFF FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MARTIN AND TONI SOSNOFF FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MARTIN AND TONI SOSNOFF FOUNDATION due?
The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MARTIN AND TONI SOSNOFF FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended November 2025.
Who are the officers and directors of MARTIN AND TONI SOSNOFF FOUNDATION?
The 990-PF for the year ended November 30, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does MARTIN AND TONI SOSNOFF FOUNDATION have?
On its 990-PF for the year ended November 30, 2025 it reported revenue of $6,095,464, expenses of $2,298,717 and total assets of $8,701,897 at year end.

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