Funders › NY › The G Harold & Leila Y Mathers Charitable Foundation › 2023

Grants paid by The G Harold & Leila Y Mathers Charitable Foundation, tax year 2023

EIN 23-7441901 · Mount Kisco, NY · Form 990-PF, Part XV

In tax year 2023, The G Harold & Leila Y Mathers Charitable Foundation (EIN 23-7441901) reported 76 grants paid totaling $16,465,249. Dataset version 2026.09.0, built 2026-09-03.

2020 202220232024

Every grant, 2023

Grants reported by The G Harold & Leila Y Mathers Charitable Foundation for tax year 2023
Tax year	Recipient	Match	Amount	Type	Purpose	Source filing
2023	Children's Hospital Corp (boston Children's Hospital) Boston, MA	U	$1,144,474	approved, future	RESEARCH PROJECT	202413209349104561
2023	President and Fellows of Harvard College Boston, MA	C	$953,523	approved, future	RESEARCH PROJECT	202413209349104561
2023	Rockefeller University New York, NY	B	$813,103	paid	RESEARCH PROJECT	202413209349104561
2023	Vanderbilt University Medical Center Nashville, TN	B	$758,935	paid	RESEARCH PROJECT	202413209349104561
2023	Dana-Farber Cancer Institute Boston, MA	B	$750,000	paid	RESEARCH PROJECT	202413209349104561
2023	Children's Hospital Corp (boston Children's Hospital) Boston, MA	U	$726,302	paid	RESEARCH PROJECT	202413209349104561
2023	Dana-Farber Cancer Institute Boston, MA	B	$673,000	paid	RESEARCH PROJECT	202413209349104561
2023	Yale University New Haven, CT	U	$568,590	paid	RESEARCH PROJECT	202413209349104561
2023	Leland Stanford Junior University Stanford, CA	U	$537,831	paid	RESEARCH PROJECT	202413209349104561
2023	California Institute of Technology Pasadena, CA	C	$516,475	paid	RESEARCH PROJECT	202413209349104561
2023	Cleveland Clinic Foundation Cleveland, OH	C	$500,000	approved, future	RESEARCH PROJECT	202413209349104561
2023	The Wistar Institute Philadelphia, PA	U	$500,000	approved, future	RESEARCH PROJECT	202413209349104561
2023	Dana-Farber Cancer Institute Boston, MA	B	$486,667	approved, future	RESEARCH PROJECT	202413209349104561
2023	University of California San Francisco San Francisco, CA	C	$466,667	approved, future	RESEARCH PROJECT	202413209349104561
2023	Yale University New Haven, CT	U	$466,667	approved, future	RESEARCH PROJECT	202413209349104561
2023	President and Fellows of Harvard College Boston, MA	C	$466,667	paid	RESEARCH PROJECT	202413209349104561
2023	Leland Stanford Junior University Stanford, CA	U	$466,667	approved, future	RESEARCH PROJECT	202413209349104561
2023	University of California Los Angeles Pasadena, CA	U	$466,665	approved, future	RESEARCH PROJECT	202413209349104561
2023	University of California Berkeley Berkeley, CA	C	$466,000	approved, future	RESEARCH PROJECT	202413209349104561
2023	Weill Cornell Medical College New York, NY	U	$455,427	approved, future	RESEARCH PROJECT	202413209349104561
2023	Children's Hospital Corp (boston Children's Hospital) Boston, MA	U	$454,124	paid	RESEARCH PROJECT	202413209349104561
2023	Cold Spring Harbor Laboratory Cold Spring Harbor, NY	B	$453,939	paid	RESEARCH PROJECT	202413209349104561
2023	Joslin Diabetes Center Boston, MA	B	$433,394	approved, future	RESEARCH PROJECT	202413209349104561
2023	Duke University Durham, NC	C	$413,519	approved, future	RESEARCH PROJECT	202413209349104561
2023	University of California San Diego La Jolla, CA	U	$412,069	approved, future	RESEARCH PROJECT	202413209349104561
2023	Md Anderson Cancer Center Houston, TX	U	$358,260	paid	RESEARCH PROJECT	202413209349104561
2023	Ut Southwestern Medical Center Dallas, TX	U	$334,719	approved, future	RESEARCH PROJECT	202413209349104561
2023	Northwestern University Evanston, IL	B	$331,989	approved, future	RESEARCH PROJECT	202413209349104561
2023	Cuny Advanced Science Research Center New York, NY	U	$309,343	paid	RESEARCH PROJECT	202413209349104561
2023	Rockefeller University New York, NY	B	$308,000	paid	RESEARCH PROJECT	202413209349104561
2023	Massachusetts Institute of Technology Boston, MA	B	$300,000	paid	RESEARCH PROJECT	202413209349104561
2023	Columbia University New York, NY	B	$293,301	approved, future	RESEARCH PROJECT	202413209349104561
2023	New York University New York, NY	C	$265,742	paid	RESEARCH PROJECT	202413209349104561
2023	Salk Institute for Biological Studies La Jolla, CA	B	$256,168	paid	RESEARCH PROJECT	202413209349104561
2023	Columbia University New York, NY	B	$253,753	paid	RESEARCH PROJECT	202413209349104561
2023	Yale University New Haven, CT	U	$250,890	paid	RESEARCH PROJECT	202413209349104561
2023	The Wistar Institute Philadelphia, PA	U	$250,000	paid	RESEARCH PROJECT	202413209349104561
2023	Cleveland Clinic Foundation Cleveland, OH	C	$250,000	paid	RESEARCH PROJECT	202413209349104561
2023	Memorial Sloan-Kettering Cancer Center New York, NY	U	$249,999	paid	RESEARCH PROJECT	202413209349104561
2023	Massachusetts General Hospital Boston, MA	C	$247,500	paid	RESEARCH PROJECT	202413209349104561
2023	Weill Cornell Medical College New York, NY	U	$243,987	paid	RESEARCH PROJECT	202413209349104561
2023	Rice University Houston, TX	C	$237,240	paid	RESEARCH PROJECT	202413209349104561
2023	University of California Los Angeles Pasadena, CA	U	$233,335	paid	RESEARCH PROJECT	202413209349104561
2023	Yale University New Haven, CT	U	$233,333	paid	RESEARCH PROJECT	202413209349104561
2023	Leland Stanford Junior University Stanford, CA	U	$233,333	paid	RESEARCH PROJECT	202413209349104561
2023	Dana-Farber Cancer Institute Boston, MA	B	$233,333	paid	RESEARCH PROJECT	202413209349104561
2023	University of California San Francisco San Francisco, CA	C	$233,333	paid	RESEARCH PROJECT	202413209349104561
2023	University of California Berkeley Berkeley, CA	C	$233,000	paid	RESEARCH PROJECT	202413209349104561
2023	Beth Israel Deaconess Medical Center New York, NY	U	$229,891	paid	RESEARCH PROJECT	202413209349104561
2023	Brandeis University Waltham, MA	B	$227,266	paid	RESEARCH PROJECT	202413209349104561
2023	Massachusetts Institute of Technology Boston, MA	B	$227,061	paid	RESEARCH PROJECT	202413209349104561
2023	Memorial Sloan-Kettering Cancer Center New York, NY	U	$225,000	paid	RESEARCH PROJECT	202413209349104561
2023	California Institute of Technology Pasadena, CA	C	$221,710	paid	RESEARCH PROJECT	202413209349104561
2023	Duke University Durham, NC	C	$219,024	paid	RESEARCH PROJECT	202413209349104561
2023	Cleveland Clinic Foundation Cleveland, OH	C	$210,833	paid	RESEARCH PROJECT	202413209349104561
2023	Joslin Diabetes Center Boston, MA	B	$206,897	paid	RESEARCH PROJECT	202413209349104561
2023	University of California San Diego La Jolla, CA	U	$200,562	paid	RESEARCH PROJECT	202413209349104561
2023	The Scripps Research Institute La Jolla, CA	B	$183,334	paid	RESEARCH PROJECT	202413209349104561
2023	Albert Einstein College of Medicine Bronx, NY	B	$180,000	paid	RESEARCH PROJECT	202413209349104561
2023	Memorial Sloan-Kettering Cancer Center New York, NY	U	$179,820	paid	RESEARCH PROJECT	202413209349104561
2023	Texas Heart Institute Houston, TN	U	$174,052	approved, future	RESEARCH PROJECT	202413209349104561
2023	University of Kansas Center for Research Inc Lawrence, KS	B	$172,559	paid	RESEARCH PROJECT	202413209349104561
2023	Whitehead Institute for Biomedical Research Cambridge, MA	B	$167,637	paid	RESEARCH PROJECT	202413209349104561
2023	Northwestern University Evanston, IL	B	$165,994	paid	RESEARCH PROJECT	202413209349104561
2023	Washington University St Louis, MO	B	$163,056	paid	RESEARCH PROJECT	202413209349104561
2023	Ut Southwestern Medical Center Dallas, TX	U	$162,281	paid	RESEARCH PROJECT	202413209349104561
2023	New York University New York, NY	C	$150,000	paid	RESEARCH PROJECT	202413209349104561
2023	Hauptman-Woodward Medical Research Institute Buffalo, NY	B	$147,488	paid	RESEARCH PROJECT	202413209349104561
2023	Texas Heart Institute Houston, TN	U	$140,963	paid	RESEARCH PROJECT	202413209349104561
2023	University of Chicago Chicago, IL	C	$135,000	paid	RESEARCH PROJECT	202413209349104561
2023	Carnegie Institution Washington, DC	D	$134,686	paid	RESEARCH PROJECT	202413209349104561
2023	Icahn School of Medicine at Mt Sinai New York, NY	C	$121,077	paid	RESEARCH PROJECT	202413209349104561
2023	Massachusetts Institute of Technology Boston, MA	B	$49,969	approved, future	RESEARCH PROJECT	202413209349104561
2023	Whitehead Institute for Biomedical Research Cambridge, MA	B	$33,332	paid	RESEARCH PROJECT	202413209349104561
2023	New York University New York, NY	C	$29,166	paid	RESEARCH PROJECT	202413209349104561
2023	Thomas Jefferson University Philadelphia, PA	B	$27,500	paid	RESEARCH PROJECT	202413209349104561
2023	Duke University Durham, NC	C	$27,500	paid	RESEARCH PROJECT	202413209349104561
2023	University of Massachusetts Medical School Amherst, MA	U	$25,138	paid	RESEARCH PROJECT	202413209349104561
2023	Dana-Farber Cancer Institute Boston, MA	B	$25,000	paid	RESEARCH PROJECT	202413209349104561
2023	Memorial Sloan-Kettering Cancer Center New York, NY	U	$25,000	approved, future	RESEARCH PROJECT	202413209349104561
2023	Yale University New Haven, CT	U	$24,750	paid	RESEARCH PROJECT	202413209349104561
2023	Cold Spring Harbor Laboratory Cold Spring Harbor, NY	B	$23,326	paid	RESEARCH PROJECT	202413209349104561
2023	Columbia University New York, NY	B	$22,003	paid	RESEARCH PROJECT	202413209349104561
2023	Friends of Montecito Library Santa Barbara, CA	U	$20,000	paid	GENERAL PURPOSE	202413209349104561
2023	University of Pennsylvania Philadelphia, PA	U	$20,000	paid	RESEARCH PROJECT	202413209349104561
2023	University of California San Diego La Jolla, CA	U	$20,000	paid	RESEARCH PROJECT	202413209349104561
2023	Vanderbilt University Medical Center Nashville, TN	B	$15,910	paid	RESEARCH PROJECT	202413209349104561
2023	Hospice of Santa Barbara Santa Barbara, CA	B	$15,000	paid	GENERAL PURPOSE	202413209349104561
2023	Boston College Chestnut Hill, MA	U	$10,220	paid	RESEARCH PROJECT	202413209349104561
2023	Leland Stanford Junior University Stanford, CA	U	$10,000	paid	RESEARCH PROJECT	202413209349104561
2023	Santa Barbara Meals On Wheels Santa Barbara, CA	C	$10,000	paid	GENERAL PURPOSE	202413209349104561
2023	Garza County Historical Museum Post, TX	B	$8,500	paid	GENERAL PURPOSE	202413209349104561
2023	Levelland Wallace Theater Levelland, TX	B	$7,500	paid	GENERAL PURPOSE	202413209349104561
2023	South Plains College Foundation Levelland, TX	B	$7,500	paid	GENERAL PURPOSE	202413209349104561
2023	Fox Chase Cancer Center Philadelphia, PA	C	$6,250	paid	RESEARCH PROJECT	202413209349104561
2023	Caprock Cultural Association Post, TX	B	$5,000	paid	GENERAL PURPOSE	202413209349104561

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.