Mount Sinai Health System
NEW YORK, NY
$700KTax year 2023
Grant purpose
Charitable
Private foundation · EIN 22-2231640 · IRS 990-PF filings through tax year 2024
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
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Reported organization name: MARTIN & TONI SOSNOFF FOUNDATION
Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.
| Tax year | Grants paid | Amount |
|---|---|---|
| 2024 | 18 | $2.2M |
| 2023 | 22 | $2.2M |
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Historical awards reported to the IRS. These are examples of past giving, not open opportunities.
NEW YORK, NY
$700KTax year 2023
Charitable
NEW YORK, NY
$575KTax year 2024
Charitable
RHINEBECK, NY
$400KTax year 2024
Charitable
NEW YORK, NY
$334KTax year 2024
Charitable
NEW YORK, NY
$333KTax year 2023
Charitable
Showing 5 of the 25 largest grants (40 reported in all).
See all 40 grants from Martin & Toni Sosnoff Foundation: sort and filter by purpose, state and year.
Create free accountFigures are aggregated from Martin & Toni Sosnoff Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2024). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.
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