Funder DirectoryTHE G HAROLD & LEILA Y MATHERS
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Private foundation (trust)EIN 237441901Est. 1975-07

THE G HAROLD & LEILA Y MATHERS

RYE BROOK, NY 105731373

Accepts unsolicited proposals

Total Assets

$363.2M

FY 2023

Annual Giving

$16.5M

FY 2023

Grants Made

76

FY 2023

Avg Grant

$217K

FY 2023

Grant Range

$5K–$813K

Typical

Deadlines

Grant applications are reviewed on a t…

Applications

Financial Snapshot

2023 filing

Total Revenue

$23.5M

Total Expenses

$16.3M

Qualifying Distributions

$17.6M

Distributable Amount

$16.9M

Min. Investment Return

$17.2M

Payout rate 100%Arc chart showing what share of IRS distributable amount was paid out as qualifying distributions in the latest filing.100%

Payout rate

Qualifying distributions as a share of distributable amount.

Grant Range

76 grants

Grant sizes from minimum $5K through median $209K to maximum $813K, shown on a logarithmic scale.

Logarithmic scale — typical grant portfolios span orders of magnitude, so distances are proportional to multiplicative change, not dollar gaps.

Giving Over Time

3 years

Giving over time from 2020 to 2023. Peak $26.2M in 2020. Hover bars for details.

Total dollars recorded per filing year. Scale adjusts to the foundation's range.

Top Recipients

337 grants

YALE UNIVERSITY
$6.4M
27 grants
ROCKEFELLER UNIVERSITY
$4.3M
21 grants
DANA-FARBER CANCER INSTITUTE
$3.8M
13 grants
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
$3.7M
23 grants
CHILDREN'S HOSPITAL CORP (BOSTON CHILDREN'S HOSPITAL)
$2.3M
7 grants
STANFORD UNIVERSITY
$2.3M
18 grants
THE WISTAR INSTITUTE
$2.1M
13 grants
MEMORIAL SLOAN-KETTERING CANCER CENTER
$2.1M
12 grants

Grant Size Distribution

337 grants

<$10K
20
grants
$10–50K
35
grants
$50–250K
221
grants
$250K–1M
61
grants
$1–5M
$5M+

Geographic Focus

16 states

New York
$17.0M
29% of total
Massachusetts
$15.3M
26% of total
California
$7.1M
12% of total
Connecticut
$6.4M
11% of total
Pennsylvania
$4.0M
7% of total
Texas
$2.2M
4% of total
North Carolina
$1.7M
3% of total
Tennessee
$1.6M
3% of total
Ohio
$1.5M
3% of total
District of Columbia
$613K
1% of total

+6 more states

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THE G HAROLD & LEILA Y MATHERS — Grants, Financials & Contact | Grantivo