· Private foundation
Martin & Toni Sosnoff Foundation
Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
What it funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.
Where the money goes
Grants by size, and the largest recipients.
By grant size · FY2025
- Under $10k3 grants · $9k
- $10k–50k9 grants · $228k
- $50k–250k1 grant · $170k
- $250k+5 grants · $1.8M
| Recipient | Amount |
|---|---|
| MOUNT SINAI HEALTH SYSTEM | $575,000 |
| NDH FOUNDATION | $400,000 |
| NEW YORK PHILHARMONIC | $334,000 |
| BARD COLLEGE | $250,000 |
| ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | $250,000 |
| PALM BEACH OPERA | $170,000 |
| CHAMBER MUSIC SOCIETY OF PALM BEACH | $40,000 |
| NORTON MUSEUM OF ART | $38,000 |
| PALM BEACH DRAMAWORKS | $30,000 |
| KRAVIS CENTER FOR THE PERFORMING ARTS | $25,000 |
| ASPCA | $25,000 |
| MIAMI CITY BALLET | $25,000 |
| THE EYE CANCER FOUNDATION | $20,000 |
| HOFSTRA UNIVERSITY | $15,000 |
| ALZHEIMER DRUG DISCOERY FOUNDATION | $10,000 |
Does the money reach high-need areas?
Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.
Its human-services grants (FY19–25, $2.6M) land where the poverty rate runs at 17%, against an area that typically sits at 12%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.
How this is measured
Which US states its grants reach
How this is measured
Who it funds again
Organizations funded in more than one year, against those funded once.
Grantees it renews have grown median revenue +58% since the first grant, against +45% for those funded once.
41 repeat relationships: 17 still active in FY2025, 24 since wound down; 1 grantees were first funded in FY2025 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2025, 100% of grant dollars renewed an existing relationship; $2k went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
Backed again, and grew
BARD COLLEGE9× · 2017–2025 · $7.2M · revenue +256%- MSMOUNT SINAI HEALTH SYSTEM INC5× · 2019–2025 · $2.6M · revenue +34%
ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI8× · 2017–2025 · $2.2M · revenue +58%
Funded once
- TWTHE WASHINGTON BALLETgraduatedone grant, 2017 · $100k · revenue +46%
- TETHE ELF CANCER FOUNDATIONone grant, 2024 · $20k
- MSMOUNT SINAI HEALTH SYSTEM CRYSTAL PARTYone grant, 2018 · $10k
How this is measured
Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.
Closest unfunded matches
The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.
We believe opera is a uniquely compelling, entertaining and emotionally thrilling art form. our mission is to bring together growing audiences to experience opera's transformative power.
Nyu is a private university with approximately 60,000 matriculating students in 20 schools and institutes. nyu's primary missions are education, research and scholarship, and patient care.
Perform, promote and sustain classical ballet.
Princeton ballet society's mission is to nurture a lifelong love of dance and lift the collective spirit through excellent, relevant, and accessible artistic and educational programs, with a focus on classical ballet.
The institute for advanced study (the institute) is one of the world's leading centers for theoretical research and intellectual inquiry. see schedule o.
Sanford burnham prebys medical discovery institute's mission is to advance the biomedical sciences by cultivating the next generation of scientific leaders, providing meaningful opportunities for researchers of all backgrounds to learn,…
THE MASSACHUSETTS EYE AND EAR INFIRMARY ("THE INFIRMARY") IS A NOT-FOR-PROFIT TEACHING HOSPITAL CONDUCTING PATIENT CARE AND RESEARCH. THE INFIRMARY IS A TEACHING HOSPITAL OF HARVARD MEDICAL SCHOOL AND AN INTERNATIONAL CENTER FOR RESEARCH.…
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
Mission: to heal, to teach, to discover and to advance the health of the communities we serve. values: humanity, innovation, teamwork, diversity and equity - our values define our philosophy of care. they shape our actions and motivate and…
To be a leader in the provision of world class patient care, teaching, research, and service to local, state, national, and international communities. newyork-presbyterian hospital is one of the nation's most comprehensive, integrated…
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
Operate a state-of-the-art, world-class genomic research center that creates and uses advanced genomics to understand the genetic basis of disease. for more information, see schedule o.
How this is measured
40 grantees tracked through their own filings, 2017–2025.
Each grant beside the grantee’s revenue from every source, year by year.
How this is measured
Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 40 of the 57 grantees resolved in that span have returns of their own we could reconcile.
Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.
Where the money sits, by cause and then by grantee
Each grantee by its size and the funder’s share of it; top left is load-bearing
Grantee by grantee: a decade per organization, before and after funding
A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.
- Who funds BARD COLLEGE ↗
- Who funds BALLET THEATRE FOUNDATION INC ↗
- Who funds MOUNT SINAI HEALTH SYSTEM INC ↗
- Who funds ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI ↗
- Who funds HOFSTRA UNIVERSITY ↗
- Who funds PALM BEACH OPERA INC ↗
- Who funds THE PHILHARMONIC SYMPHONY SOCIETY OF NY INC ↗
- Who funds NDH Foundation ↗
- Who funds Boca Raton Regional Hospital Foundation Inc ↗
- Who funds CHAMBER MUSIC SOCIETY OF PALM BEACH INC ↗
- Who funds Boca Raton Regional Hospital Inc ↗
- Who funds NEW YORK-PRESBYTERIAN FUND INC ↗
- Who funds PALM BEACH DRAMAWORKS INC ↗
- Who funds RAYMOND F KRAVIS CENTER FOR THE PERFORMING ARTS INC ↗
- Who funds MIAMI CITY BALLET INC ↗
- Who funds Town of Palm Beach United Way Inc ↗
- Who funds NORTON MUSEUM OF ART INC ↗
- Who funds The Eye Cancer Foundation Inc ↗
- Who funds THE WASHINGTON BALLET ↗
- Who funds LUZERNE MUSIC CENTER INC ↗
- Who funds SAINT ANN'S SCHOOL ↗
- Who funds THE AMERICAN SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS ↗
- Who funds HUNTS POINT ALLIANCE FOR CHILDREN ↗
- Who funds THE ANIMAL MEDICAL CENTER ↗
- Who funds THE PERLMAN MUSIC PROGRAM INC ↗
- Who funds TAKE THE LEAD INC ↗
- Who funds THE DRESSAGE FOUNDATION ↗
- Who funds GEORGETOWN DAY SCHOOL ↗
- Who funds BOSCOBEL RESTORATION INC ↗
- Who funds HEAD STRONG PROJECT INC ↗
Co-funders
Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.
Open a dossier: Jewish Communal Fund · National Philanthropic Trust · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · Vanguard Charitable Endowment Program · The Bank of America Charitable Foundation Inc · Network for Good · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation
How this is measured
How much its grantees rely on government
Each dot is one organization Martin & Toni Sosnoff Foundation funds: left to right is the share of its income from government, bottom to top the share from Martin & Toni Sosnoff Foundation. Bigger dots raise more.
- Dana-Farber Cancer Institute Inc: 7% of income from government
How this is measured
Play a game based on Martin & Toni Sosnoff’s filings →