Data / Foundation grants / Susan S and Kenneth L Wallach Foundation
Susan S and Kenneth L Wallach Foundation: 46 grants to organizations, $4 million (tax year ended December 2025)
Susan S and Kenneth L Wallach Foundation, a private foundation in Purchase, NY, paid 46 grants to organizations totaling $3,973,100 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 6, 2026. The largest was $1,250,000 to Lincoln Center for the Performing Arts Inc in New York, NY for general support.
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- EIN
- 137147899
- Based in
- Purchase, NY
- Assets
- $123,537,133
- Grants paid
- $3,973,100
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 6, 2026, IRS object ID 202621269349100137. It reported $3,973,100 in grants paid; 46 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Lincoln Center for the Performing Arts Inc | New York, NY | General support | Arts, culture and humanities | $1,250,000 | apps.irs.gov |
| Council On Foreign Relations Inc | New York, NY | General support | International, foreign affairs and national security | $1,000,000 | apps.irs.gov |
| The Chamber Music Society of Lincoln Center | New York, NY | General support | Arts, culture and humanities | $600,000 | apps.irs.gov |
| The 92ND Street Y | New York, NY | General support | $200,000 | apps.irs.gov | |
| Wnet | New York, NY | General support | Arts, culture and humanities | $150,000 | apps.irs.gov |
| American Museum of Natural History | New York, NY | General support | Arts, culture and humanities | $145,000 | apps.irs.gov |
| American Academy of Arts and Sciences | Cambridge, MA | General support | Social science | $75,000 | apps.irs.gov |
| Mastervoices | New York, NY | General support | Arts, culture and humanities | $75,000 | apps.irs.gov |
| Martha's Vineyard Hospital Inc | Oak Bluffs, MA | General support | $50,000 | apps.irs.gov | |
| Pace University | Valhalla, NY | General support | $50,000 | apps.irs.gov | |
| Spence School | New York, NY | General support | Education | $45,000 | apps.irs.gov |
| Harvard University President & Fellows of Harvard College | Cambridge, MA | General support | $35,000 | apps.irs.gov | |
| New York Public Library | New York, NY | General support | $30,000 | apps.irs.gov | |
| Trustees of Columbia University in the City of New York | New York, NY | General support | $30,000 | apps.irs.gov | |
| Architectural Conservation Trust Act for Massachusetts Inc | Plymouth, MA | General support | Arts, culture and humanities | $25,000 | apps.irs.gov |
| Harvard University Radcliffe Institute for Advanced Study | Cambridge, MA | General support | $25,000 | apps.irs.gov | |
| St Hilda's and St Hugh's School | New York, NY | General support | $25,000 | apps.irs.gov | |
| Library Foundation of Los Angeles | Los Angeles, CA | General support | Education | $15,000 | apps.irs.gov |
| Deerfield Academy | Deerfield, MA | General support | $10,000 | apps.irs.gov | |
| Economic Group of New York | New York, NY | General support | $10,000 | apps.irs.gov | |
| Harvard University Harvard Law School Alumni Center | Cambridge, MA | General support | $10,000 | apps.irs.gov | |
| Louis August Jonas Foundation | Rhinebeck, NY | General support | $10,000 | apps.irs.gov | |
| Princeton Day School Inc | Princeton, NJ | General support | Education | $10,000 | apps.irs.gov |
| The Common Good Institute Inc | New York, NY | General support | Health care | $10,000 | apps.irs.gov |
| The Recorder News Inc | Katonah, NY | General support | Community improvement and capacity building | $10,000 | apps.irs.gov |
| The Thirty Six East Sixty Second Street Foundation Inc | New York, NY | General support | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Friends of Central Park East High School Incorporated | New York, NY | General support | Education | $9,600 | apps.irs.gov |
| Caramoor Center for Music and the Arts Inc | Katonah, NY | General support | Arts, culture and humanities | $8,000 | apps.irs.gov |
| 1898 Foundation Inc | Purchase, NY | General support | Education | $5,000 | apps.irs.gov |
| Central Synagogue | New York, NY | General support | $5,000 | apps.irs.gov | |
| Hotchkiss School | Lakeville, CT | General support | Education | $5,000 | apps.irs.gov |
| National Book Foundation | New York, NY | General support | $5,000 | apps.irs.gov | |
| New York Common Pantry | New York, NY | General support | Food, agriculture and nutrition | $5,000 | apps.irs.gov |
| Pro Publica Inc | New York, NY | General support | Arts, culture and humanities | $5,000 | apps.irs.gov |
| The Fortune Society Inc | Long Island City, NY | General support | Mental health and crisis intervention | $5,000 | apps.irs.gov |
| Trevor Day School | New York, NY | General support | Education | $5,000 | apps.irs.gov |
| Aperture Foundation Inc | New York, NY | General support | Arts, culture and humanities | $3,000 | apps.irs.gov |
| Carnegie Hill Neighbors Inc | New York, NY | General support | Community improvement and capacity building | $2,500 | apps.irs.gov |
| Edgartown Yacht Club Foundation | Edgartown, MA | General support | Recreation and sports | $1,000 | apps.irs.gov |
| Harvard University Harvard College Fund | Cambridge, MA | General support | $1,000 | apps.irs.gov | |
| Lewisboro Volunteer Ambulance Corps Inc | South Salem, NY | General support | $500 | apps.irs.gov | |
| Massachusetts Audubon Society Inc | Lincoln, MA | General support | Environment | $500 | apps.irs.gov |
| South Salem Fire Department | South Salem, NY | General support | Public safety, disaster preparedness and relief | $500 | apps.irs.gov |
| The Fund for Park Avenue | New York, NY | General support | $500 | apps.irs.gov | |
| Three Lakes Council Inc | South Salem, NY | General support | $500 | apps.irs.gov | |
| Westchester Land Trust | Bedford Hills, NY | General support | Environment | $500 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed May 14, 2025, IRS object ID 202541349349101229. It reported $4,487,373 in grants paid; 58 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Lincoln Center for the Performing Arts Inc | New York, NY | General support | Arts, culture and humanities | $1,250,000 | apps.irs.gov |
| Rutgers University Rutgers Law School Alumni Association | Newark, NJ | General support | $800,000 | apps.irs.gov | |
| Harvard University Radcliffe Institute for Advanced Study | Cambridge, MA | General support | $450,000 | apps.irs.gov | |
| Wnet | New York, NY | General support | Arts, culture and humanities | $429,573 | apps.irs.gov |
| American Museum of Natural History | New York, NY | General support | Arts, culture and humanities | $420,000 | apps.irs.gov |
| American Academy of Arts and Sciences | Cambridge, MA | General support | Social science | $150,000 | apps.irs.gov |
| The 92ND Street Y | New York, NY | General support | $150,000 | apps.irs.gov | |
| The Chamber Music Society of Lincoln Center | New York, NY | General support | Arts, culture and humanities | $125,000 | apps.irs.gov |
| Council On Foreign Relations Inc | New York, NY | General support | International, foreign affairs and national security | $100,000 | apps.irs.gov |
| National Book Foundation | New York, NY | General support | $80,000 | apps.irs.gov | |
| Mastervoices | New York, NY | General support | Arts, culture and humanities | $52,000 | apps.irs.gov |
| Carnegie Endowment for International Peace | Washington, DC | General support | International, foreign affairs and national security | $50,000 | apps.irs.gov |
| Martha's Vineyard Hospital Inc | Oak Bluffs, MA | General support | $50,000 | apps.irs.gov | |
| Spence School | New York, NY | General support | Education | $35,000 | apps.irs.gov |
| New York Public Library | New York, NY | General support | $30,000 | apps.irs.gov | |
| Pace University | Valhalla, NY | General support | $30,000 | apps.irs.gov | |
| Architectural Conservation Trust Act for Massachusetts Inc | Plymouth, MA | General support | Arts, culture and humanities | $25,000 | apps.irs.gov |
| St Hilda's and St Hugh's School | New York, NY | General support | $25,000 | apps.irs.gov | |
| The Thirty Six East Sixty Second Street Foundation Inc | New York, NY | General support | Arts, culture and humanities | $25,000 | apps.irs.gov |
| Library Foundation of Los Angeles | Los Angeles, CA | General support | Education | $15,000 | apps.irs.gov |
| Deerfield Academy | Deerfield, MA | General support | $10,000 | apps.irs.gov | |
| Economic Group of New York | New York, NY | General support | $10,000 | apps.irs.gov | |
| Harvard University Harvard Law School Alumni Center | Cambridge, MA | General support | $10,000 | apps.irs.gov | |
| Harvard Universitypresident & Fellows of Harvard College | Cambridge, MA | General support | $10,000 | apps.irs.gov | |
| International Rescue Committee Inc | New York, NY | General support | International, foreign affairs and national security | $10,000 | apps.irs.gov |
| Jewish Museum | New York, NY | General support | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Memorial Sloan-Kettering Cancer Center | New York, NY | General support | $10,000 | apps.irs.gov | |
| New York Landmarks Conservancy Inc | New York, NY | General support | $10,000 | apps.irs.gov | |
| New York-Presbyterian Fund Inc | New York, NY | General support | Health care | $10,000 | apps.irs.gov |
| Nightingale-Bamford School | New York, NY | General support | Education | $10,000 | apps.irs.gov |
| Princeton Day School Inc | Princeton, NJ | General support | Education | $10,000 | apps.irs.gov |
| The Common Good Institute Inc | New York, NY | General support | Health care | $10,000 | apps.irs.gov |
| The Recorder News Inc | Katonah, NY | General support | Community improvement and capacity building | $10,000 | apps.irs.gov |
| 1898 Foundation Inc | Purchase, NY | General support | Education | $5,000 | apps.irs.gov |
| Central Synagogue | New York, NY | General support | $5,000 | apps.irs.gov | |
| Friends Seminary | New York, NY | General support | Education | $5,000 | apps.irs.gov |
| Hereditary Disease Foundation | New York, NY | General support | $5,000 | apps.irs.gov | |
| Human Rights First | New York, NY | General support | International, foreign affairs and national security | $5,000 | apps.irs.gov |
| New York Common Pantry | New York, NY | General support | Food, agriculture and nutrition | $5,000 | apps.irs.gov |
| Pro Publica Inc | New York, NY | General support | Arts, culture and humanities | $5,000 | apps.irs.gov |
| Second Stage Theatre | New York, NY | General support | Arts, culture and humanities | $5,000 | apps.irs.gov |
| The Trustees of Columbia University in the City of New York | New York, NY | General support | $5,000 | apps.irs.gov | |
| Trevor Day School | New York, NY | General support | Education | $5,000 | apps.irs.gov |
| Aperture Foundation Inc | New York, NY | General support | Arts, culture and humanities | $3,000 | apps.irs.gov |
| Northern Westchester Hospital Association | Westbury, NY | General support | Health care | $3,000 | apps.irs.gov |
| Carnegie Hill Neighbors Inc | New York, NY | General support | Community improvement and capacity building | $2,500 | apps.irs.gov |
| Harvard University Harvard College Fund | Cambridge, MA | General support | $1,000 | apps.irs.gov | |
| Hotchkiss School | Lakeville, CT | General support | Education | $1,000 | apps.irs.gov |
| Island Housing Trust Corporation | West Tisbury, MA | General support | Housing and shelter | $1,000 | apps.irs.gov |
| Edgartown Yacht Club Foundation Inc | Edgartown, MA | General support | Recreation and sports | $500 | apps.irs.gov |
| Lewisboro Volunteer Ambulance Corps Inc | South Salem, NY | General support | $500 | apps.irs.gov | |
| Martha's Vineyard Community Foundation Inc | West Tisbury, MA | General support | $500 | apps.irs.gov | |
| Martha's Vineyard Preservation Trust | Edgartown, MA | General support | $500 | apps.irs.gov | |
| South Salem Fire Department | South Salem, NY | General support | Public safety, disaster preparedness and relief | $500 | apps.irs.gov |
| The Fund for Park Avenue | New York, NY | General support | $500 | apps.irs.gov | |
| Three Lakes Council Inc | South Salem, NY | General support | $500 | apps.irs.gov | |
| Westchester Land Trust Inc | Bedford Hills, NY | General support | Environment | $500 | apps.irs.gov |
| Boathouse Foundation Inc | Edgartown, MA | General support | Education | $300 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Arts, culture and humanities | $4,620,573 |
| International, foreign affairs and national security | $1,165,000 |
| Social science | $225,000 |
| Education | $180,900 |
| Health care | $33,000 |
| Community improvement and capacity building | $25,000 |
| Food, agriculture and nutrition | $10,000 |
| Mental health and crisis intervention | $5,000 |
States funded
| Recipient state | Granted |
|---|---|
| New York | $6,613,173 |
| Massachusetts | $941,300 |
| New Jersey | $820,000 |
| District of Columbia | $50,000 |
| California | $30,000 |
| Connecticut | $6,000 |
Also on SpecStream
- Who funds arts, culture and humanities in New York
- Who funds international, foreign affairs and national security in New York
- Who funds social science in Massachusetts
- Who funds education in New York
- Who funds arts, culture and humanities in Massachusetts
- Who funds international, foreign affairs and national security in District of Columbia
Updated May 6, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.