The Leona M and Harry B Helmsley Charitable Trust
Invitation OnlyNew York, New York · EIN 13-7184401 · Private foundation · Website
Grants paid (2024)$440.9M
Organizations funded570
Typical grant$394,365
Total assets$7.1B
Half of its grants to organizations were between $153,056 and $971,014.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
80% of grants went outside New York.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| American Heart Association Inc | Dallas, TX | American heart association center for telehealth | $6,966,024 |
| Mass General Brigham for the Brigham and Women's Hospital | Boston, MA | Accelerating progress and promoting quality t1d care for the poorest billion through the global pen-plus partnership | $6,753,638 |
| Ben-Gurion University of the Negev | Beer Sheva, IS | Construction of the leona M. and harry B. helmsley charitable trust computer science building | $5,785,714 |
| Hadassah Medical Organization | Jerusalem, IS | Equipping the new hadassah - helmsley medical center, netivot | $5,265,160 |
| Billings Clinic Foundation | Billings, MT | Billings clinic surgical intensive care unit | $5,000,000 |
| Kapiolani Health Foundation | Honolulu, HI | Martha B. smith cancer & infusion center at kapiolani medical center for women & children | $5,000,000 |
| Stichting the Ocean Cleanup | Rotterdam, NL | Develop and scale technologies to rid the oceans of plastics | $5,000,000 |
| The Queens Medical Center | Honolulu, HI | The queen's medical center - west oahu cancer center expansion | $5,000,000 |
| Tel Aviv Sourasky Medical Center - Ichilov Hospital | Tel Aviv, IS | Construction of the sheltered -5 floor of the north tower | $4,879,510 |
| Baptist Medical Centre | Nalerigu, GH | Elevating maternal and pediatric healthcare | $4,505,896 |
| Blue Circle Health Inc | Wilmington, DE | Development of blue circle health | $4,470,844 |
| Blue Circle Health Inc | Wilmington, DE | Development of blue circle health | $4,470,843 |
| Altru Health System | Grand Forks, ND | Altru health system ultrasound initiative | $4,214,824 |
| Blue Circle Health Inc | Wilmington, DE | Development of blue circle health | $3,975,887 |
| Wilcox Health Foundation | Lihue, HI | Wilcox medical center equipment revitalization project | $3,944,163 |
| St Alexius Medical Center | Bismarck, ND | Chi st. alexius health ultrasound initiative | $3,799,563 |
| Hillel Yaffe Medical Center | Hadera, IS | Construction of pet-ct institute | $3,536,258 |
| State of Nevada Department of Division of State Parks | Carson City, NV | Valley of fire visitor center | $3,500,000 |
| The Broad Institute Inc | Cambridge, MA | Novel therapeutic approaches for crohns disease | $3,497,605 |
| Bar Ilan University in Israel | Ramat Gan, IS | The leona M. and harry B. helmsley energy prototype lab at bar-ilan university | $3,348,125 |
| St Luke Health Care Foundation | West Chicago, IL | Hope center for women and children | $3,293,350 |
| Fairview Health Services | Minneapolis, MN | Improving survival outcomes through university of minnesota medical center ecmo center of excellence | $3,176,500 |
| Hillel Yaffe Medical Center | Hadera, IS | Eye institute and ambulatory surgery center | $3,158,400 |
| World Health Organization | Geneva, SZ | Strengthening the capacity of the global diabetes compact | $3,129,504 |
| World Health Organization | Geneva, SZ | Strengthening integrated prevention and control of chronic and severe ncds in the who african region, using t1d, scd, arf, and rhd as entry… | $3,126,083 |
| Trinity Health | Minot, ND | Trinity health ultrasound initiative | $3,020,087 |
| The Weizmann Institute of Science | Rehovot, IS | Early childhood development and community center at the weizmann institute of science | $3,000,000 |
| Mass General Brigham for the Brigham and Women's Hospital | Boston, MA | Real-Time post-op touchless, remote monitoring in crohns disease the sapphire trial | $2,905,515 |
| Clinton Health Access Initiative Inc | Boston, MA | Improving medical oxygen production and utilization | $2,811,261 |
| Bnai Zion Medical Center | Haifa, IS | Development of the helmsley cardiovascular care unit | $2,764,483 |
| New York University | New York, NY | Tamale education and innovation center for health | $2,756,847 |
| Clalit Health Services | Tel Aviv, IS | A new neonatal center for israels southern periphery at soroka medical center | $2,658,835 |
| The Academic College at Tel-Hai | Upper Galilee, IS | The helmsley research and innovation wing in the tel-hai computer science building. | $2,600,000 |
| Living Water International | Stafford, TX | Scaling integrated wash services | $2,574,349 |
| T1d Exchange Inc | Boston, MA | Equitable health and psychosocial outcomes for individuals living with t1d through the t1d exchange quality improvement collaborative and… | $2,567,417 |
| Clalit Health Services | Tel Aviv, IS | A new neonatal center for israels southern periphery at soroka medical center | $2,541,165 |
| American Heart Association Inc | Dallas, TX | Mission lifeline stroke iowa | $2,521,277 |
| Int'l Bank for Reconstruction & Dev and Int'l Development Assoc | Washington, DC | Health system transformation and resilience multi-donor trust fund - noncommunicable disease partnership general operating support | $2,500,000 |
| Shaare Zedek Medical Center | Jerusalem, IS | Development of the helmsley comprehensive cardiac care center | $2,500,000 |
| Shaare Zedek Medical Center | Jerusalem, IS | Development of the helmsley surgical wing | $2,500,000 |
| International Water Management Institute | Battaramulla, CE | Digital innovations for a water secure africa | $2,449,440 |
| Ann & Robert H Lurie Childrens Hospital of Chicago | Chicago, IL | Implementation and dissemination of tools to harness cgm data to accelerate adoption of population health in t1d | $2,325,006 |
| Bridges to Prosperity Inc | Denver, CO | Transformative connectivity in rural zambia | $2,306,101 |
| Icahn School of Medicine at Mount Sinai | New York City, NY | Defining the pre-disease phase of crohns disease predict and prevent | $2,303,337 |
| Gay and Lesbian Community Center of Southern Nevada Inc | Las Vegas, NV | Capital support for the center | $2,267,929 |
| The Association for the Resident and Community in Ramat Hanegev | Ramat Hanegev, IS | Ramat hanegev senior citizen center | $2,241,803 |
| Billings Clinic Foundation | Billings, MT | Billings clinic transfer center | $2,215,173 |
| The Association for the Betterment of Eshkol Region Residents | Kibbutz Magen, IS | Be'eri agricultural equipment | $2,203,283 |
| Galilee Medical Center | Nahariya, IS | Renovation of two floors of the internal medicine building at galilee medical center | $2,200,000 |
| The End Fund Inc | New York, NY | Tackling trachoma surgery disparities | $2,117,400 |
| High Quality Medical Education | Afton, MN | Point-Of-Care ultrasound (pocus) training for minnesota rural providers | $2,112,639 |
| Ziv Medical Center Zefat | Zefat, IS | New neurosurgery department | $2,100,000 |
| The Trevor Project Inc | West Hollywood, CA | Lgbtq youth suicide prevention project | $2,081,072 |
| Essentia Health | Duluth, MN | Essentia health ultrasound initiative | $2,065,413 |
| Safe Water Network | New York, NY | Scaling sustainable safe water access | $2,064,000 |
| Clalit Health Services | Tel Aviv, IS | Ct linear accelerator for rabin cancer center | $2,050,000 |
| Billings Clinic Foundation | Billings, MT | Billings clinic surgical intensive care unit | $2,000,000 |
| Yitzhak Shamir Medical Center | Tzrifin, IS | Expansion and renovation of the cancer institute at shamir medical center | $1,978,286 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, GM | Continuation of the gppad-02-study identification of infants with increased type 1 diabetes risk for enrollment into primary prevention… | $1,927,629 |
| T1d Exchange Inc | Boston, MA | Equitable health and psychosocial outcomes for individuals living with t1d through the t1d exchange quality improvement collaborative and… | $1,917,417 |
Showing the 60 largest of 570 grants to organizations.
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Ben-Gurion University of the Negev | Beer Sheva, | Construction of the leona M. and harry B. helmsley charitable trust computer science building | $10,542,857 |
| Mass General Brigham for the Brigham and Women's Hospital | Boston, MA | Accelerating progress and promoting quality t1d care for the poorest billion through the global pen-plus partnership | $9,684,661 |
| Mass General Brigham for the Brigham and Women's Hospital | Boston, MA | Accelerating progress and promoting quality t1d care for the poorest billion through the global pen-plus partnership | $8,560,477 |
| Tel-Aviv University | Tel Aviv, | Helmsley medical simulation center | $6,828,500 |
| Wilcox Health Foundation | Lihue, HI | Wilcox medical center equipment revitalization project | $6,273,000 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $5,917,762 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $5,917,761 |
| Corewell Health | Grand Rapids, MI | Expanding access to robotic pci and establishing a multi-state network to study the feasibility of telerobotic heart attack and stroke… | $5,885,473 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $5,755,302 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $5,755,301 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | Continuation 2 of the gppad-02-study identification of infants with increased type 1 diabetes risk for enrollment into primary prevention… | $5,172,033 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | Continuation 2 of the gppad-02-study identification of infants with increased type 1 diabetes risk for enrollment into primary prevention… | $5,172,032 |
| Tel Aviv Sourasky Medical Center - Ichilov Hospital | Tel Aviv, | Construction of the sheltered -5 floor of the north tower | $5,120,490 |
| Stichting the Ocean Cleanup | Rotterdam, | Develop and scale technologies to rid the oceans of plastics | $5,000,000 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $4,829,040 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $4,829,040 |
| American Heart Association Inc | Dallas, TX | American heart association center for telehealth | $4,816,553 |
| St Luke Health Care Foundation | West Chicago, IL | Hope center for women and children | $4,790,316 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $4,393,010 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $4,393,009 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-03 study the primary oral insulin trial | $4,328,576 |
| Vayu Health | Portola Valley, CA | Vayu health phase 2 - scale and spread of value based payment ecosystem for medicaid beneficiaries living with type 1 and type 2 diabetes | $4,275,632 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | Continuation 2 of the gppad-02-study identification of infants with increased type 1 diabetes risk for enrollment into primary prevention… | $3,716,830 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | Continuation 2 of the gppad-02-study identification of infants with increased type 1 diabetes risk for enrollment into primary prevention… | $3,716,830 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $3,565,907 |
| Shaare Zedek Medical Center | Jerusalem, | Development of the helmsley surgical wing | $3,500,000 |
| The Broad Institute Inc | Cambridge, MA | Novel therapeutic approaches for crohns disease | $3,499,051 |
| The Broad Institute Inc | Cambridge, MA | Novel therapeutic approaches for crohns disease | $3,477,159 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | The gppad-05 study anti-viral action against type 1 diabetes autoimmunity (avant1a) | $3,465,906 |
| The Academic College at Tel-Hai | Upper Galilee, | The helmsley fellowships for sustainability and health | $3,225,321 |
| Clinton Health Access Initiative Inc | Boston, MA | Reach expanding access to primary care for diabetes and hypertension (2024-2027) | $3,215,685 |
| World Health Organization | Geneva, | Strengthening the capacity of the global diabetes compact | $3,130,872 |
| World Health Organization | Geneva, | Strengthening integrated prevention and control of chronic and severe ncds in the who african region, using t1d, scd, arf, and rhd as entry… | $3,010,445 |
| The Weizmann Institute of Science | Rehovot, | Early childhood development and community center at the weizmann institute of science | $3,000,000 |
| Clinton Health Access Initiative Inc | Boston, MA | Reach expanding access to primary care for diabetes and hypertension (2024-2027) | $2,901,095 |
| Anthos Home Inc | Brooklyn, NY | Launching anthos home, with specialized focus on housing high-need patients | $2,750,000 |
| Geoscience Australia | Symonston, | Digital earth africa - sustainable uptake and impact | $2,737,545 |
| Holon Institute of Technology - Hit (Ra) | Holon, | Medical technologies building at the holon institute of technology (hit) | $2,725,000 |
| Water4 Inc | Oklahoma City, OK | Scaling numa in northern ghana | $2,647,448 |
| Tel Aviv Sourasky Medical Center - Ichilov Hospital | Tel Aviv, | Genetics institute and genomics center | $2,538,786 |
| Int'l Bank for Reconstruction & Dev and Int'l Development Assoc | Washington, DC | Health system transformation and resilience multi-donor trust fund - noncommunicable disease partnership general operating support | $2,500,000 |
| Shaare Zedek Medical Center | Jerusalem, | Development of the helmsley surgical wing | $2,500,000 |
| Helmholtz Zentrum Munchen (Gmbh) | Neuherberg, | Continuation 2 of the gppad-02-study identification of infants with increased type 1 diabetes risk for enrollment into primary prevention… | $2,482,836 |
| Diabetes Australia | Turner, | Improvements in outcomes for young people with diabetes in less-resourced countries, through geographic expansion and country data-driven… | $2,443,661 |
| Living Water International | Stafford, TX | Scaling integrated wash services | $2,432,337 |
| Bridges to Prosperity Inc | Denver, CO | Transformative connectivity in rural zambia | $2,359,636 |
| Water4 Inc | Oklahoma City, OK | Scaling numa in northern ghana | $2,294,479 |
| American Heart Association Inc | Dallas, TX | Mission lifeline stroke hawaii | $2,220,899 |
| The End Fund Inc | New York, NY | Tackling trachoma surgery disparities | $2,132,360 |
| The End Fund Inc | New York, NY | Tackling trachoma surgery disparities | $2,124,880 |
| Engineering Ministries International USA | Colorado Springs, CO | Minga mission hospital development | $2,112,745 |
| Holon Institute of Technology - Hit | Holon, | Medical technologies building at the holon institute of technology (hit) | $2,043,650 |
| Shaare Zedek Medical Center | Jerusalem, | Development of the helmsley comprehensive cardiac care center | $2,000,000 |
| Vayu Health | Portola Valley, CA | Vayu health phase 2 - scale and spread of value based payment ecosystem for medicaid beneficiaries living with type 1 and type 2 diabetes | $2,000,000 |
| American Heart Association Inc | Dallas, TX | Mission lifeline stroke hawaii | $1,988,020 |
| University of Glasgow Court | Glasgow, | The role of the gut microbiome in postoperative outcomes and disease recurrence in surgical adults with cd treated with exclusive enteral… | $1,968,566 |
| Safe Water Network | New York, NY | Scaling sustainable safe water access | $1,932,000 |
| St Luke Health Care Foundation | West Chicago, IL | Hope center for women and children | $1,908,524 |
| New Venture Fund | Washington, DC | Type 1 diabetes camps project (2025-2028) | $1,894,037 |
| New Venture Fund | Washington, DC | Type 1 diabetes camps project (2025-2028) | $1,842,898 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $440,927,206 | 1,055 |
| 2023 | $445,672,622 | 1,197 |
| 2022 | $433,687,275 | 1,218 |
Sources
- IRS Form 990-PF, tax year 2024, filed Feb 5, 2026 - IRS e-file batch, object ID 202600369349100525
- IRS Tax Exempt Organization Search for EIN 13-7184401
- Profile updated Nov 4, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.