Funders › NY › The G Harold & Leila Y Mathers Charitable Foundation › 2020
Grants paid by The G Harold & Leila Y Mathers Charitable Foundation, tax year 2020
EIN 23-7441901 · Mount Kisco, NY · Form 990-PF, Part XV
In tax year 2020, The G Harold & Leila Y Mathers Charitable Foundation (EIN 23-7441901) reported 87 grants paid totaling $13,090,544. Dataset version 2026.09.0, built 2026-09-03.
Every grant, 2020
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $800,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $709,066 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $657,196 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $627,445 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Dana-Farber Cancer Institute Boston, MA | B | $600,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Memorial Sloan-Kettering Cancer Center New York, NY | U | $599,400 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $583,333 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Thomas Jefferson University Philadelphia, PA | B | $550,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Duke University Durham, NC | C | $550,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Dana-Farber Cancer Institute Boston, MA | B | $500,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Columbia University New York, NY | B | $434,673 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | President and Fellows of Harvard College Boston, MA | C | $413,811 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Pennsylvania Philadelphia, PA | U | $385,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Massachusetts Medical School Amherst, MA | U | $318,192 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Pennsylvania Philadelphia, PA | U | $314,137 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $306,618 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $291,667 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $285,516 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $285,516 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Case Western Reserve School of Medicine Cleveland, OH | U | $283,789 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $276,506 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Duke University Durham, NC | C | $275,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Thomas Jefferson University Philadelphia, PA | B | $275,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Suny Stony Brook School of Medicine Stony Brook, NY | U | $260,506 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Massachusetts Medical School Amherst, MA | U | $250,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Dana-Farber Cancer Institute Boston, MA | B | $250,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $247,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Columbia University New York, NY | B | $236,917 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $233,337 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $222,750 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | President and Fellows of Harvard College Boston, MA | C | $212,284 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Boston College Chestnut Hill, MA | U | $201,748 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Pennsylvania Philadelphia, PA | U | $200,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $200,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Memorial Sloan-Kettering Cancer Center New York, NY | U | $200,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Albert Einstein College of Medicine Bronx, NY | B | $200,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | The Wistar Institute Philadelphia, PA | U | $199,435 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | The Wistar Institute Philadelphia, PA | U | $179,492 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Washington University St Louis, MO | B | $168,496 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Whitehead Institute for Biomedical Research Cambridge, MA | B | $166,667 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Duke University Durham, NC | C | $166,667 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Duke University Durham, NC | C | $166,667 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Whitehead Institute for Biomedical Research Cambridge, MA | B | $166,667 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | John Hopkins University Baltimore, MD | U | $166,199 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $165,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $165,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $163,194 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $163,194 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Beth Israel Deaconess Medical Center Boston, MA | B | $160,856 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Massachusetts Medical School Amherst, MA | U | $159,097 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $155,835 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $155,834 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $155,833 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $155,833 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Suny Stony Brook School of Medicine Stony Brook, NY | U | $150,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Albert Einstein College of Medicine Bronx, NY | B | $150,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Suny Stony Brook School of Medicine Stony Brook, NY | U | $150,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Suny Stony Brook School of Medicine Stony Brook, NY | U | $150,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $148,660 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $148,659 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $147,485 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Memorial Sloan-Kettering Cancer Center New York, NY | U | $141,667 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Memorial Sloan-Kettering Cancer Center New York, NY | U | $141,667 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $140,218 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $140,218 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | The Wistar Institute Philadelphia, PA | U | $137,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | The Wistar Institute Philadelphia, PA | U | $137,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | The Wistar Institute Philadelphia, PA | U | $137,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | The Wistar Institute Philadelphia, PA | U | $137,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Texas Houston Houston, TX | U | $136,971 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Texas Houston Houston, TX | U | $136,971 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Albert Einstein College of Medicine Bronx, NY | B | $135,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $125,324 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $125,324 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Massachusetts Medical School Amherst, MA | U | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Fred Hutchinson Cancer Center Seattle, WA | B | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Fox-Chase Cancer Center Philadelphia, PA | C | $125,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | University of Massachusetts Medical School Amherst, MA | U | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $125,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $123,750 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $123,750 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $115,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $112,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $112,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $112,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $110,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $100,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Boston College Chestnut Hill, MA | U | $100,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Boston College Chestnut Hill, MA | U | $98,251 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Massachusetts Institute of Technology Boston, MA | B | $90,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Georgetown University Washington, DC | B | $82,068 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Georgetown University Washington, DC | B | $82,068 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $50,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Stanford University Stanford, CA | C | $45,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Rockefeller University New York, NY | B | $25,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Yale University New Haven, CT | U | $24,750 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Hospice of Santa Barbara Santa Barbara, CA | B | $20,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Friends of Montecito Library Santa Barbara, CA | U | $20,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Wistar Institute Philadelphia, PA | U | $19,943 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Einstein College of Medicine Bronx, NY | U | $15,000 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Santa Barbara Meals On Wheels Santa Barbara, CA | C | $15,000 | paid | GENERAL SUPPORT | 202143029349100219 |
| 2020 | New York University School of Medicine New York, NY | C | $12,500 | approved, future | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Garza County Historical Museum Post, TX | B | $8,500 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Caprock Cultural Association Post, TX | B | $5,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | Levelland Wallace Theater Levelland, TX | B | $5,000 | paid | RESEARCH PROJECT | 202143029349100219 |
| 2020 | South Plains College Foundation Levelland, TX | B | $5,000 | paid | RESEARCH PROJECT | 202143029349100219 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF e-file XML. Dataset version 2026.09.0, built 2026-09-03. All years for this funder.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.