The G Harold & Leila Y Mathers
Rye Brook, New York · EIN 237441901 · Private foundation
Based in Rye Brook, New York, The G Harold & Leila Y Mathers has awarded $83.9M across 429 grants in our index of public IRS filings, with giving recorded as recently as 2024. Its largest grant on record went to Rockefeller University. This profile covers its focus areas, top grant recipients, year-by-year giving, and how a nonprofit should approach it.
What The G Harold & Leila Y Mathers funds
The G Harold & Leila Y Mathers's giving carries a documented focus on health care, higher education.
Populations it has supported include children.
Grant history
The largest grants Bespoke Grants has on record for The G Harold & Leila Y Mathers, by amount:
| Recipient | Location | Grant | Year |
|---|---|---|---|
| Rockefeller University RESEARCH PROJECT | New York, NY | $813K | 2023 |
| University of Pennsylvania EVOLUTION OF PROTEIN DYNAMICS | Philadelphia, PA | $770K | 2017 |
| Vanderbilt University Medical Center RESEARCH PROJECT | Nashville, TN | $759K | 2023 |
| Dana-farber Cancer Institute RESEARCH PROJECT | Boston, MA | $750K | 2023 |
| Center for Academic Research & Training in Anthropogeny RESEARCH & TRAINING | La Jolla, CA | $750K | 2019 |
| Children's Hospital Corp (boston Children's Hospital) RESEARCH PROJECT | Boston, MA | $726K | 2023 |
| Dana-farber Cancer Institute RESEARCH PROJECT | Boston, MA | $673K | 2023 |
| Stanford University MOLECULAR & CELLULAR BASIS OF BIOLOG | Standford, CA | $667K | 2017 |
| Yale University RESEARCH PROJECT | New Haven, CT | $569K | 2023 |
| Salk Institute GENERATING HUMAN ORGANS AND TISSUES | San Diego, CA | $540K | 2017 |
| Salk Institute RESEARCH PROJECT | San Diego, CA | $540K | 2019 |
| Leland Stanford Junior University RESEARCH PROJECT | Stanford, CA | $538K | 2023 |
| Columbia University RESEARCH PROJECT | New York, NY | $533K | 2022 |
| University of Pennsylvania RESEARCH PROJECT | Philadelphia, PA | $524K | 2019 |
| California Institute of Technology RESEARCH PROJECT | Pasadena, CA | $516K | 2023 |
The G Harold & Leila Y Mathers giving by year
Total grants Bespoke Grants has indexed for each filing year:
How to apply for funding from The G Harold & Leila Y Mathers
From The G Harold & Leila Y Mathers's IRS Form 990-PF, on how it handles applications:
Verify the current process on the foundation's own materials before sending anything. You can review the foundation directly at mathersfoundation.org.
Is The G Harold & Leila Y Mathers the right funder for your nonprofit?
This page shows what The G Harold & Leila Y Mathers has funded. Bespoke Grants tells you whether it fits your mission — and finds every other foundation that does. Free, no credit card.
Match my nonprofit to funders →Frequently asked questions about The G Harold & Leila Y Mathers
- Does The G Harold & Leila Y Mathers accept grant applications?
- Yes — The G Harold & Leila Y Mathers's IRS filing describes an application process. Confirm the current details directly with the foundation before applying.
- What does The G Harold & Leila Y Mathers fund?
- The G Harold & Leila Y Mathers's grants focus on health care. Recent recipients include Rockefeller University, University of Pennsylvania, Vanderbilt University Medical Center. Its full grant history is listed above.
- How much does The G Harold & Leila Y Mathers give in grants?
- The G Harold & Leila Y Mathers reported $13.1M in grants in its most recent IRS filing (FY2020). Across all years in our data it has awarded $83.9M over 429 grants.
- Where is The G Harold & Leila Y Mathers located?
- The G Harold & Leila Y Mathers is based in Rye Brook, New York. Its IRS employer identification number (EIN) is 237441901.
- How can I find foundations similar to The G Harold & Leila Y Mathers?
- Bespoke Grants matches your nonprofit against 225,000+ foundations like The G Harold & Leila Y Mathers, ranking each by how well it fits your mission, location, and budget — with the reasoning shown. It is free to search.
Find more funders like The G Harold & Leila Y Mathers
Foundations similar to The G Harold & Leila Y Mathers
Other New York grantmakers with overlapping priorities: