The G Harold & Leila Y Mathers

EIN 237441901

White Plains, NY 10604 |(914) 242-0465

https://MATHERSFOUNDATION.ORG
Total Given 2016–2023
$198.6M
699 grants · $24.8M avg/year
based on 8 yrs of IRS 990-PF records on file
$10M+/yr
major funder
capacity
$233K
typical big bets · $138K–$353K
grant size
71%
deep partner · 92/130 multi-year
repeat
$363.2M
Assets (2023)
130
Distinct Recipients

Focus Areas

Science & Research

Application Information

Accepts Unsolicited Proposals Unknown
Contact Person ZACHARY S HANDELMAN DIR-OPERATIONS
Phone (914) 242-0465
Deadlines GRANT APPLICATIONS ARE REVIEWED ON A TRIMESTER BASIS. REFER TO MATHERSFOUNDATION.ORG FOR DETAILS.
How to Apply THERE IS A FORMAL 2 STEP APPLICATION PROCESS THAT MUST BE SUBMITTED THROUGH THE MATHERS FOUNDATION'S ONLINE PORTAL. REFER TO MATHERSFOUNDATION.ORG FOR DETAILS.
Restrictions THE FOUNDATION MAKE GRANTS ONLY TO ORGANIZATIONS HAVING TAX EXEMPT STATUS UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND TO THOSE THAT ARE NOT PRIVATE FOUNDATIONS WITHING THE MEANINGS OF SECTION 509(A), OR IN THE ABSENCE OF SUCH A DETERMINATION, TO A STATE OR ANY POLITICAL SUBDIVISION THEREOF WITHIN THE MEANING OF SEC 170(C)(1), OR A STATE COLLEGE OR UNIVERSITY. THE FOUNDATION DOES NOT MAKE GRANTS TO INDIVIDUALS. THE FOUNDATION RARELY PROVIDES GRANTS FOR PERIODS LONGER THAN THREE YEARS.

Financial Trends

Giving Over Time

Total Assets Over Time

View financial data as table
YearTotal GivingTotal AssetsRevenueGrants
2016 $31.6M $249.7M $14.9M 90
2017 $28.9M $285.5M $14.7M 91
2018 $30.4M $252.9M $15.0M 96
2019 N/A $306.7M $14.7M N/A
2020 $22.0M $326.0M $15.7M 112
2021 $30.4M $378.6M $16.9M 102
2022 $29.9M $348.3M $20.9M 112
2023 $25.3M $363.2M $23.5M 96

Grant Size Distribution

Based on 699 grants on record

Minimum
$1K
25th Pctl
$138K
Median
$233K
Average
$284K
75th Pctl
$353K
Maximum
$1.8M

Geographic Distribution

Texas Counties Served

7.3% of US grants · Rank #4 of 18 states $6.7M across 51 grants 6 of 254 counties

Top 6 counties

  1. 1 Harris 17 grants · $4.4M
  2. 2 Bexar 5 grants · $1.3M
  3. 3 Dallas 2 grants · $497K
  4. 4 Brazos 2 grants · $276K
  5. 5 Garza 15 grants · $113K
  6. 6 Hockley 10 grants · $95K

Officers & Directors

Grants Awarded (699 total)

Purpose
Rockefeller University New York, NY $1,789,096 RESEARCH PROJECT 2021
Salk Institute Can Diego, CA $1,620,000 MEDICAL RESEARCH 2016
Yale University New Haven, CT $1,495,600 RESEARCH PROJECT 2021
Columbia University New York, NY $1,355,825 RESEARCH PROJECT 2021
Center for Academic Research & La Jolla, CA $1,250,000 GENERAL SUPPORT 2017
Dana-Farber Cancer Institute Boston, MA $1,240,000 RESEARCH PROJECT 2021
Salk Institute San Diego, CA $1,185,000 GENE EDITING TECH TO CURE HEMATOPOIE 2016
University of Pennsylvania Philadelphia, PA $1,155,000 PROTEIN DYNAMICS 2016
Children'S Hospital Corp (Boston Children'S Hospital) Boston, MA $1,144,474 RESEARCH PROJECT 2023
Leland Stanford Junior University Stanford, CA $1,091,898 RESEARCH PROJECT 2022
Salk Institute San Diego, CA $1,080,000 MEDICAL RESEARCH 2017
California Institute of Technology Pasadena, CA $1,058,218 RESEARCH PROJECT 2021
Vanderbilt University Medical Center Nashville, TN $1,023,619 RESEARCH PROJECT 2022
Cold Spring Harbor Laboratory Cold Spring Harbor, NY $997,728 RESEARCH PROJECT 2021
Cold Spring Harbor Cold Spring Harbor, NY $990,000 MOUSE BRAIN ARCHITECTURE 2016
Dana Farber Cancer Institute Boston, MA $966,668 RESEARCH IN IMMUNOLOGY 2017
President and Fellows of Harvard College Boston, MA $953,523 RESEARCH PROJECT 2023
Salk Institute San Diego, CA $948,000 MEDICAL RESEARCH 2017
Cleveland Clinic Foundation Cleveland, OH $921,667 RESEARCH PROJECT 2022
Whitehead Institute Cambridge, MA $907,500 EXPANDING WORLD OF PRIONS 2016
California Institute Pasadena, CA $887,444 HIPPOCAMPAL OSCILLATIONS 2016
University of Pennsylvania Philadelphia, PA $872,604 RESEARCH PROJECT 2018
Washington University St Louis, MO $869,540 RESEARCH PROJECT 2022
Memorial Sloan Kettering New York, NY $850,000 MEDICAL RESEARCH 2017
Children'S Hospital Corp (Boston Children'S Hospital) Boston, MA $833,000 RESEARCH PROJECT 2021