THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION
Rye Brook, NY, US
•
501(c)3
•
EIN
23-7441901
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•
Open for Solicitation
Private Foundation
Rye Brook, NY, US
•
501(c)3
•
EIN
23-7441901
•
•
Open for Solicitation
Private Foundation
AI Summary
The G Harold & Leila Y Mathers Charitable Foundation is a 501(c)(3) organization that made $17.3 million in grants to 82 grantees in the 2024 filing year. The foundation is currently open for unsolicited proposals, inviting prospective applicants to review the 'How to Apply' section of its profile page to determine their fit for funding opportunities.
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Cause Areas
1
Foundations
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Explore this org's ecosystem
See top causes for this funder's grantees, who else funds them, and their grants.
Learn about Ecosystems
Grantee
Total Funding
Funding Share

Yale University
New Haven, CT
$12M
7%

Dana-Farber Cancer Institute Inc
Boston, MA
$9.3M
5%

THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
REDWOOD CITY, CA
$8.7M
5%
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Total No. of Grants
103
Median 1st year grant
$170.7K
Median 2nd year grant
$216.9K
Top 3 Grants
Matched grants only
Grantee
Grant Size
Frequently Asked Questions
Can I submit an unsolicited grant proposal to THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION?
Yes. THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION accepts unsolicited proposals for funding. You can find details in the How to Apply section on this profile or by visiting their website.
Where does THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION give?
THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION primarily gives to organizations located in Massachusetts, New York, and California. These states represent the largest share of the foundation’s grantmaking by dollars awarded. Additional geographic details are available to registered users.
What size are THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION’s grants?
The largest share of grants from THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION fall in the $100 thousand to $250 thousand range. The median first-year grant is about $171 thousand. More detailed grant size data is available to registered users.
How many grants does THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION make each year?
In 2024, THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION awarded about 100 grants, totaling nearly $17.3 million. More detailed grant metrics are available to registered users.
Who did THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION fund recently?
In 2024, THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION awarded grants to about 80 grantees. Recent grantees include Yale University, Dana-Farber Cancer Institute Inc, and THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY. More detailed information on all recent recipients is available to registered users.
How do we apply to THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION?
You can find details on how to apply in the How to Apply section on this profile or by visiting THE G HAROLD & LEILA Y MATHERS CHARITABLE FOUNDATION’s website.
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