Funding search · EIN 137147899 · Purchase, NY
Susan S and Kenneth L Wallach
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 202
- grants reported
- $15.9M
- total given
- 2022–2025
- filing years
- $10,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Lincoln Center for the Performing Arts4 grants · $5.0M
- Wnet4 grants · $1.4M
- Council On Foreign Relations4 grants · $1.3M
- The 92nd Street Ym-Ywha2 grants · $1.2M
- American Museum of Natural History4 grants · $1.1M
- Rutgers University Rutgers Law School Alumni Association1 grant · $800,000
- The Chamber Music Society of Lincoln Center3 grants · $750,000
- Pace University4 grants · $745,000
- Harvard University Radcliffe Institute for Advanced Study2 grants · $475,000
- American Academy of Arts and Sciences4 grants · $475,000
Giving over time
Grant history
The 100 largest of 202 grants.
- $1.3M
Lincoln Center for the Performing Arts · New York, NY · 2025
General support
- $1.3M
Lincoln Center for the Performing Arts · New York, NY · 2024
General support
- $1.3M
Lincoln Center for the Performing Arts · New York, NY · 2023
General support
- $1.3M
Lincoln Center for the Performing Arts · New York, NY · 2022
General purpose
- $1.0M
Council On Foreign Relations · New York, NY · 2025
General support
- $800,000
Rutgers University Rutgers Law School Alumni Association · Newark, NJ · 2024
General support
- $605,000
The 92nd Street Ym-Ywha · New York, NY · 2023
General support
- $600,000
The Chamber Music Society of Lincoln Center · New York, NY · 2025
General support
- $600,000
The 92nd Street Ym-Ywha · New York, NY · 2022
General purpose
- $450,000
Harvard University Radcliffe Institute for Advanced Study · Cambridge, MA · 2024
General support
- $429,573
Wnet · New York, NY · 2024
General support
- $420,000
American Museum of Natural History · New York, NY · 2024
General support
- $410,000
Wnet · New York, NY · 2023
General support
- $385,000
Pace University · Valhalla, NY · 2023
General support
- $375,000
Wnet · New York, NY · 2022
General purpose
- $320,000
American Museum of Natural History · New York, NY · 2023
General support
- $280,000
Pace University · Valhalla, NY · 2022
General purpose
- $240,000
The Chamber Music Society of Lincoln Center · New York, NY · 2022
General purpose
- $200,000
The 92nd Street Y · New York, NY · 2025
General support
- $175,000
American Academy of Arts and Sciences · Cambridge, MA · 2023
General support
- $175,000
American Museum of Natural History · New York, NY · 2022
General purpose
- $150,000
Wnet · New York, NY · 2025
General support
- $150,000
American Academy of Arts and Sciences · Cambridge, MA · 2024
General support
- $150,000
The 92nd Street Y · New York, NY · 2024
General support
- $150,000
Harvard University Radcliffe Institute for Advance Study · Cambridge, MA · 2023
General support
- $145,000
American Museum of Natural History · New York, NY · 2025
General support
- $125,000
The Chamber Music Society of Lincoln Center · New York, NY · 2024
General support
- $100,000
Council On Foreign Relations · New York, NY · 2024
General support
- $100,000
Council On Foreign Relations · New York, NY · 2023
General support
- $80,000
National Book Foundation · New York, NY · 2024
General support
- $80,000
National Book Foundation · New York, NY · 2023
General support
- $76,000
National Book Foundation · New York, NY · 2022
General purpose
- $75,000
American Academy of Arts and Sciences · Cambridge, MA · 2025
General support
- $75,000
Mastervoices · New York, NY · 2025
General support
- $75,000
American Academy of Arts and Sciences · Cambridge, MA · 2022
General purpose
- $60,000
Harvard University Harvard Law School Alumni Center · Cambridge, MA · 2022
General purpose
- $52,000
Mastervoices · New York, NY · 2024
General support
- $50,000
Martha'S Vineyard Hospital · Oak Bluffs, MA · 2025
General support
- $50,000
Pace University · Valhalla, NY · 2025
General support
- $50,000
Carnegie Endowment for International Peace · Washington, DC · 2024
General support
- $50,000
Martha'S Vineyard Hospital · Oak Bluffs, MA · 2024
General support
- $50,000
Architectural Conservation Trust Act for Massachusetts · Plymouth, MA · 2023
General support
- $50,000
Mastervoices · New York, NY · 2023
General support
- $50,000
Council On Foreign Relations · New York, NY · 2022
General purpose
- $50,000
Harvard University Radcliffe Institute for Advance Study · Cambridge, MA · 2022
General purpose
- $45,000
Spence School · New York, NY · 2025
General support
- $40,000
Spence School · New York, NY · 2022
General purpose
- $35,000
Harvard University President & Fellows of Harvard College · Cambridge, MA · 2025
General support
- $35,000
Spence School · New York, NY · 2024
General support
- $35,000
Spence School · New York, NY · 2023
General support
- $35,000
Princeton Day School · Princeton, NJ · 2022
General purpose
- $30,000
New York Public Library · New York, NY · 2025
General support
- $30,000
Trustees of Columbia University in the City of New York · New York, NY · 2025
General support
- $30,000
New York Public Library · New York, NY · 2024
General support
- $30,000
Pace University · Valhalla, NY · 2024
General support
- $30,000
New York Public Library · New York, NY · 2023
General support
- $25,000
Architectural Conservation Trust Act for Massachusetts · Plymouth, MA · 2025
General support
- $25,000
Harvard University Radcliffe Institute for Advanced Study · Cambridge, MA · 2025
General support
- $25,000
St Hilda'S and St Hugh'S School · New York, NY · 2025
General support
- $25,000
Architectural Conservation Trust Act for Massachusetts · Plymouth, MA · 2024
General support
- $25,000
St Hilda'S and St Hugh'S School · New York, NY · 2024
General support
- $25,000
The Thirty Six East Sixty Second Street Foundation · New York, NY · 2024
General support
- $25,000
New York-Presbyterian Fund · New York, NY · 2023
General support
- $25,000
St Hilda'S and St Hugh'S School · New York, NY · 2023
General support
- $25,000
The Chamber Music Society of Lincoln Center · New York, NY · 2023
General support
- $25,000
Uja-Federation of New York · New York, NY · 2023
General support
- $25,000
Mastervoices · New York, NY · 2022
General purpose
- $25,000
New York Public Library · New York, NY · 2022
General purpose
- $25,000
St Hilda'S and St Hugh'S School · New York, NY · 2022
General purpose
- $20,000
School of American Ballet · New York, NY · 2023
General support
- $15,000
Library Foundation of Los Angeles · Los Angeles, CA · 2025
General support
- $15,000
Library Foundation of Los Angeles · Los Angeles, CA · 2024
General support
- $15,000
Library Foundation of Los Angeles · Los Angeles, CA · 2023
General support
- $15,000
Deerfield Academy · Deerfield, MA · 2022
General purpose
- $15,000
Library Foundation of Los Angeles · Los Angeles, CA · 2022
General purpose
- $10,000
Deerfield Academy · Deerfield, MA · 2025
General support
- $10,000
Economic Group of New York · New York, NY · 2025
General support
- $10,000
Harvard University Harvard Law School Alumni Center · Cambridge, MA · 2025
General support
- $10,000
Louis August Jonas Foundation · Rhinebeck, NY · 2025
General support
- $10,000
Princeton Day School · Princeton, NJ · 2025
General support
- $10,000
The Common Good Institute · New York, NY · 2025
General support
- $10,000
The Recorder News · Katonah, NY · 2025
General support
- $10,000
The Thirty Six East Sixty Second Street Foundation · New York, NY · 2025
General support
- $10,000
Deerfield Academy · Deerfield, MA · 2024
General support
- $10,000
Economic Group of New York · New York, NY · 2024
General support
- $10,000
Harvard University Harvard Law School Alumni Center · Cambridge, MA · 2024
General support
- $10,000
Harvard Universitypresident & Fellows of Harvard College · Cambridge, MA · 2024
General support
- $10,000
International Rescue Committee · New York, NY · 2024
General support
- $10,000
Jewish Museum · New York, NY · 2024
General support
- $10,000
Memorial Sloan-Kettering Cancer Center · New York, NY · 2024
General support
- $10,000
New York Landmarks Conservancy · New York, NY · 2024
General support
- $10,000
New York-Presbyterian Fund · New York, NY · 2024
General support
- $10,000
Nightingale-Bamford School · New York, NY · 2024
General support
- $10,000
Princeton Day School · Princeton, NJ · 2024
General support
- $10,000
The Common Good Institute · New York, NY · 2024
General support
- $10,000
The Recorder News · Katonah, NY · 2024
General support
- $10,000
Caramoor Center for Music and the Arts · Katonah, NY · 2023
General support
- $10,000
Deerfield Academy · Deerfield, MA · 2023
General support
- $10,000
Fiorello H Laguardia Community College Fund · Long Island City, NY · 2023
General support
- $10,000
Harvard University Harvard Law School Alumni Center · Cambridge, MA · 2023
General support
Who else funds this kind of work
Same state
- The Bloomberg Family Foundation815 grants · $3.00B
- Pfizer Patient Assistance Foundation134 grants · $5.49B
- Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
Similar grant size
- The Ayco Charitable Foundation15,303 grants · $2.05B
- Paypal Charitable Giving Fund32,081 grants · $1.40B
- Seattle Foundation14,012 grants · $457.3M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

