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Find who already funds work like yours.

Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “trials”

Where the money went

1.0×
The Leona M and Harry B Helmsley → Helmholtz Zentrum Munchen (Gmbh): $27M across 19 grants, latest 2024Laura and John Arnold Foundation → Massachusetts Institute of Technology: $10M across 3 grants, latest 2024Good Ventures Foundation → International Vaccine Institute: $9.8M across 4 grants, latest 2023United Way of New York City → Justice Innovation Inc: $5.5M across 1 grant, latest 2022National Pediatric Cancer → H Lee Moffit Cancer Center and Research Institute: $2.3M across 4 grants, latest 2024The Duke Endowment → Wake Forest University Health Sciences: $1.9M across 8 grants, latest 2024Intuitive Foundation → The Gog Foundation: $1.5M across 2 grants, latest 2024The Stanley Medical Research Institute → Sheppard Pratt: $1.1M across 2 grants, latest 2023Amyotrophic Lateral Sclerosis Assn → Projenx Inc: $998K across 2 grants, latest 2024Open Medicine Foundation → Ucsf Foundation: $500K across 1 grant, latest 2023American Association for Justice → Alaska Academy of Trial Lawyers: $57K across 4 grants, latest 2024San Francisco Challenge → Paris Henken: $45K across 2 grants, latest 2024The Leona M and Harry B Helmsley → The Cleveland Clinic Foundation: $4.8M across 5 grants, latest 2024Good Ventures Foundation → International Aids Vaccine Initiative Inc: $4.4M across 1 grant, latest 2024United Way of New York City → Rising Ground Inc: $4.1M across 2 grants, latest 2022Laura and John Arnold Foundation → Mathematica Inc: $4.0M across 9 grants, latest 2024National Pediatric Cancer → Albert Einstein College of Medicine: $1.5M across 2 grants, latest 2024The Duke Endowment → Duke University Health System: $1.5M across 2 grants, latest 2024Amyotrophic Lateral Sclerosis Assn → University of Florida: $881K across 3 grants, latest 2023Intuitive Foundation → The Gog Foundation-021022-Research Grant: $750K across 1 grant, latest 2022The Stanley Medical Research Institute → University of Maryland Baltimore - Rb: $449K across 3 grants, latest 2024Open Medicine Foundation → Brigham & Women's Hospital Inc (David Systrom): $300K across 1 grant, latest 2022American Association for Justice → Arizona Trial Lawyers Association: $57K across 4 grants, latest 2024San Francisco Challenge → Anna Tobias: $45K across 2 grants, latest 2024The Leona M and Harry B Helmsley → Clalit Health Services: $3.9M across 5 grants, latest 2024Good Ventures Foundation → Bridges to Prosperity Inc: $3.4M across 1 grant, latest 2021Laura and John Arnold Foundation → University of Chicago: $3.1M across 24 grants, latest 2024United Way of New York City → Urban Youth Alliance International Inc: $2.5M across 2 grants, latest 2022The Duke Endowment → Medical University of South Carolina Foundation: $1.3M across 5 grants, latest 2024National Pediatric Cancer → H Lee Moffit Cancer Center and Research Institute Foundation Inc: $1.2M across 4 grants, latest 2024Amyotrophic Lateral Sclerosis Assn → Mayo Clinic Arizona: $650K across 3 grants, latest 2024The Stanley Medical Research Institute → The Regents of the Univ of California: $389K across 3 grants, latest 2024Intuitive Foundation → The Gog Foundation-052722-Grant Payment-Pi Mary Sharp: $375K across 1 grant, latest 2022Open Medicine Foundation → The Brigham and Women's Hospital Inc: $300K across 1 grant, latest 2025American Association for Justice → Arkansas Trial Lawyers Association: $57K across 4 grants, latest 2024San Francisco Challenge → Nevin Snow: $33K across 2 grants, latest 2024The Leona M and Harry B Helmsley → University of Pittsburgh: $3.5M across 3 grants, latest 2023Laura and John Arnold Foundation → Children's Hospital Corporation Dba Children's Hospital Boston: $3.1M across 1 grant, latest 2020Good Ventures Foundation → Nigerian Institute of Medical Research: $2.9M across 1 grant, latest 2021The Leona M and Harry B Helmsley → Mass General Brigham for the Brigham and Women's Hospital: $2.9M across 1 grant, latest 2024Laura and John Arnold Foundation → Regents of the University of Colorado: $2.2M across 11 grants, latest 2024Good Ventures Foundation → Liverpool School of Tropical Medicine Limited: $2.0M across 1 grant, latest 2024Good Ventures Foundation → Universite Des Sciences Des Technique Et Des Technologies De Bamako: $2.0M across 2 grants, latest 2023Good Ventures Foundation → President and Fellows of Harvard College: $1.9M across 2 grants, latest 2024Laura and John Arnold Foundation → Regents of the University of Michigan: $1.8M across 6 grants, latest 2024United Way of New York City → New York City Criminal Justice Agency: $1.8M across 2 grants, latest 2022The Leona M and Harry B Helmsley → Shaare Zedek Medical Center: $1.8M across 5 grants, latest 2023The Leona M and Harry B Helmsley → Icahn School of Medicine at Mount Sinai: $1.7M across 3 grants, latest 2024Good Ventures Foundation → University Health Network: $1.6M across 1 grant, latest 2024Laura and John Arnold Foundation → Economic Mobility Corporation: $1.6M across 15 grants, latest 2024Good Ventures Foundation → Path: $1.6M across 1 grant, latest 2023The Leona M and Harry B Helmsley → Benaroya Research Institute at Virginia Mason: $1.5M across 3 grants, latest 2023Laura and John Arnold Foundation → Regents University of California Los Angeles: $1.5M across 1 grant, latest 2020Good Ventures Foundation → Beth Israel Deaconess Medical Center: $1.5M across 1 grant, latest 2022Good Ventures Foundation → Washington University: $1.5M across 1 grant, latest 2022The Leona M and Harry B Helmsley → Crohn's & Colitis Foundation Inc: $1.5M across 2 grants, latest 2024Laura and John Arnold Foundation → Trustees of the University of Pennsylvania: $1.4M across 6 grants, latest 2024Laura and John Arnold Foundation → The Board of Trustees of the University of Illinois: $1.4M across 4 grants, latest 2023Laura and John Arnold Foundation → Albert Einstein College of Medicine: $1.3M across 3 grants, latest 2023United Way of New York City → Evidence Based Associates LLC: $1.3M across 2 grants, latest 2022Laura and John Arnold Foundation → Mdrc: $1.2M across 11 grants, latest 2024The Leona M and Harry B Helmsley → Cardiff University: $1.2M across 2 grants, latest 2024National Pediatric Cancer → The Research Institute at Nationwide Children's Hospital: $1.2M across 2 grants, latest 2024Laura and John Arnold Foundation → George Mason University: $1.1M across 2 grants, latest 2024The Leona M and Harry B Helmsley: $49M on this topic. Open the funder.The Leona M and Harry B Helms…$49MLaura and John Arnold Foundation: $34M on this topic. Open the funder.Laura and John Arnold Foundat…$34MGood Ventures Foundation: $33M on this topic. Open the funder.Good Ventures Foundation$33MUnited Way of New York City: $15M on this topic. Open the funder.United Way of New York City$15MNational Pediatric Cancer: $6.1M on this topic. Open the funder.National Pediatric Cancer$6.1MThe Duke Endowment: $4.8M on this topic. Open the funder.The Duke Endowment$4.8MIntuitive Foundation: $2.6M on this topic. Open the funder.Intuitive Foundation$2.6MAmyotrophic Lateral Sclerosis Assn: $2.5M on this topic. Open the funder.Amyotrophic Lateral Sclerosis…$2.5MThe Stanley Medical Research Institute: $2.0M on this topic. Open the funder.The Stanley Medical Research…$2.0MOpen Medicine Foundation: $1.1M on this topic. Open the funder.Open Medicine Foundation$1.1MAmerican Association for Justice: $170K on this topic. Open the funder.American Association for Just…$170KSan Francisco Challenge: $123K on this topic. Open the funder.San Francisco Challenge$123KHelmholtz Zentrum Munchen (Gmbh): received $27M on this topicHelmholtz Zentrum Munchen (Gmbh)$27MMassachusetts Institute of Technology: received $10M on this topicMassachusetts Institute of Tech…$10MInternational Vaccine Institute: received $9.8M on this topicInternational Vaccine Institute$9.8MJustice Innovation Inc: received $5.5M on this topicJustice Innovation Inc$5.5MThe Cleveland Clinic Foundation: received $4.8M on this topicThe Cleveland Clinic Foundation$4.8MInternational Aids Vaccine Initiative Inc: received $4.4M on this topicInternational Aids Vaccine Init…$4.4MRising Ground Inc: received $4.1M on this topicRising Ground Inc$4.1MMathematica Inc: received $4.0M on this topicMathematica Inc$4.0MClalit Health Services: received $3.9M on this topicClalit Health Services$3.9MUniversity of Pittsburgh: received $3.5M on this topicUniversity of Pittsburgh$3.5MBridges to Prosperity Inc: received $3.4M on this topicBridges to Prosperity Inc$3.4MUniversity of Chicago: received $3.1M on this topicUniversity of Chicago$3.1MChildren's Hospital Corporation Dba Children's Hospital Boston: received $3.1M on this topicChildren's Hospital Corporation…$3.1MNigerian Institute of Medical Research: received $2.9M on this topicNigerian Institute of Medical R…$2.9MMass General Brigham for the Brigham and Women's Hospital: received $2.9M on this topicMass General Brigham for the Br…$2.9MAlbert Einstein College of Medicine: received $2.8M on this topicAlbert Einstein College of Medi…$2.8MUrban Youth Alliance International Inc: received $2.5M on this topicUrban Youth Alliance Internatio…$2.5MH Lee Moffit Cancer Center and Research Institute: received $2.3M on this topicH Lee Moffit Cancer Center and…$2.3MRegents of the University of Colorado: received $2.2M on this topicRegents of the University of Co…$2.2MLiverpool School of Tropical Medicine Limited: received $2.0M on this topicLiverpool School of Tropical Me…$2.0MUniversite Des Sciences Des Technique Et Des Technologies De Bamako: received $2.0M on this topicUniversite Des Sciences Des Tec…$2.0MWake Forest University Health Sciences: received $1.9M on this topicWake Forest University Health S…$1.9MPresident and Fellows of Harvard College: received $1.9M on this topicPresident and Fellows of Harvar…$1.9MRegents of the University of Michigan: received $1.8M on this topicRegents of the University of Mi…$1.8MNew York City Criminal Justice Agency: received $1.8M on this topicNew York City Criminal Justice…$1.8MShaare Zedek Medical Center: received $1.8M on this topicShaare Zedek Medical Center$1.8MIcahn School of Medicine at Mount Sinai: received $1.7M on this topicIcahn School of Medicine at Mou…$1.7MUniversity Health Network: received $1.6M on this topicUniversity Health Network$1.6MEconomic Mobility Corporation: received $1.6M on this topicEconomic Mobility Corporation$1.6MPath: received $1.6M on this topicPath$1.6MBenaroya Research Institute at Virginia Mason: received $1.5M on this topicBenaroya Research Institute at…$1.5MDuke University Health System: received $1.5M on this topicDuke University Health System$1.5MRegents University of California Los Angeles: received $1.5M on this topicRegents University of Californi…$1.5MBeth Israel Deaconess Medical Center: received $1.5M on this topicBeth Israel Deaconess Medical C…$1.5MWashington University: received $1.5M on this topicWashington University$1.5MThe Gog Foundation: received $1.5M on this topicThe Gog Foundation$1.5MCrohn's & Colitis Foundation Inc: received $1.5M on this topicCrohn's & Colitis Foundation Inc$1.5MTrustees of the University of Pennsylvania: received $1.4M on this topicTrustees of the University of P…$1.4MThe Board of Trustees of the University of Illinois: received $1.4M on this topicThe Board of Trustees of the Un…$1.4MEvidence Based Associates LLC: received $1.3M on this topicEvidence Based Associates LLC$1.3MMedical University of South Carolina Foundation: received $1.3M on this topicMedical University of South Car…$1.3MMdrc: received $1.2M on this topicMdrc$1.2MH Lee Moffit Cancer Center and Research Institute Foundation Inc: received $1.2M on this topicH Lee Moffit Cancer Center and…$1.2MCardiff University: received $1.2M on this topicCardiff University$1.2MThe Research Institute at Nationwide Children's Hospital: received $1.2M on this topicThe Research Institute at Natio…$1.2MSheppard Pratt: received $1.1M on this topicSheppard Pratt$1.1MGeorge Mason University: received $1.1M on this topicGeorge Mason University$1.1MProjenx Inc: received $998K on this topicProjenx Inc$998KUniversity of Florida: received $881K on this topicUniversity of Florida$881KThe Gog Foundation-021022-Research Grant: received $750K on this topicThe Gog Foundation-021022-Resea…$750KMayo Clinic Arizona: received $650K on this topicMayo Clinic Arizona$650KUcsf Foundation: received $500K on this topicUcsf Foundation$500KUniversity of Maryland Baltimore - Rb: received $449K on this topicUniversity of Maryland Baltimor…$449KThe Regents of the Univ of California: received $389K on this topicThe Regents of the Univ of Cali…$389KThe Gog Foundation-052722-Grant Payment-Pi Mary Sharp: received $375K on this topicThe Gog Foundation-052722-Grant…$375KBrigham & Women's Hospital Inc (David Systrom): received $300K on this topicBrigham & Women's Hospital Inc…$300KThe Brigham and Women's Hospital Inc: received $300K on this topicThe Brigham and Women's Hospita…$300KAlaska Academy of Trial Lawyers: received $57K on this topicAlaska Academy of Trial Lawyers$57KArizona Trial Lawyers Association: received $57K on this topicArizona Trial Lawyers Associati…$57KArkansas Trial Lawyers Association: received $57K on this topicArkansas Trial Lawyers Associat…$57KParis Henken: received $45K on this topicParis Henken$45KAnna Tobias: received $45K on this topicAnna Tobias$45KNevin Snow: received $33K on this topicNevin Snow$33K
12 funders, 63 recipients, grants matching “trials” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →