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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 “validation”

Where the money went

1.0×
Walton Family Foundation Inc → Winrock International Institute for Agricultural Development: $2.3M across 4 grants, latest 2024Gordon E and Betty I Moore Foundation → University of North Carolina Wilmington: $2.2M across 3 grants, latest 2024The Leona M and Harry B Helmsley → Saint Louis University: $2.0M across 3 grants, latest 2024Alzheimer's Disease Research Foundation → Massachusetts General Hospital: $1.5M across 7 grants, latest 2025Alfred P Sloan Foundation → Consumer Reports Inc: $1.1M across 2 grants, latest 2023John Templeton Foundation → The University of North Carolina at Chapel Hill: $824K across 2 grants, latest 2023National Anti-Vivisection Society → International Foundation for Ethical Research: $800K across 4 grants, latest 2024The Simons Foundation Inc → Radboud Univ Nijmegen Medical Ctr: $686K across 2 grants, latest 2023The Robert Wood Johnson Foundation → New York University: $539K across 1 grant, latest 2024Clean Slate Initiative Inc → Howard University: $495K across 1 grant, latest 2024Association of Public Health → University of Puerto Rico: $392K across 3 grants, latest 2024The Mcknight Foundation → Fundacin Aliados: $360K across 4 grants, latest 2024Walton Family Foundation Inc → Trustees of the University of Pennsylvania: $2.2M across 3 grants, latest 2024Gordon E and Betty I Moore Foundation → President and Fellows of Harvard College: $2.2M across 2 grants, latest 2024The Leona M and Harry B Helmsley → Mass General Brigham for the Massachusetts General Hospital: $1.4M across 1 grant, latest 2024The Simons Foundation Inc → Weill Medical College of Cornell: $631K across 2 grants, latest 2023John Templeton Foundation → The Translational Genomics Research Institute: $626K across 1 grant, latest 2024Clean Slate Initiative Inc → President & Board of Santa Clara: $425K across 1 grant, latest 2024Association of Public Health → Tennessee Department of Health: $368K across 1 grant, latest 2023Alfred P Sloan Foundation → University of California Santa Cruz: $250K across 2 grants, latest 2024Alzheimer's Disease Research Foundation → The University of Texas Health Science Center at San Antonio: $201K across 1 grant, latest 2024The Robert Wood Johnson Foundation → Health Care Cost Inst: $150K across 1 grant, latest 2022The Mcknight Foundation → Rain Taxi Inc: $25K across 1 grant, latest 2023Gordon E and Betty I Moore Foundation → Conservation X Labs Inc: $2.0M across 1 grant, latest 2024The Leona M and Harry B Helmsley → Trustees of Indiana University: $996K across 2 grants, latest 2023Walton Family Foundation Inc → Fayetteville Public Library Foundation: $621K across 2 grants, latest 2024The Simons Foundation Inc → John Carroll University: $620K across 3 grants, latest 2024John Templeton Foundation → Yale University: $544K across 2 grants, latest 2023Clean Slate Initiative Inc → University of Maryland: $322K across 1 grant, latest 2024Alfred P Sloan Foundation → University of Southern California: $250K across 2 grants, latest 2024Alzheimer's Disease Research Foundation → University of Texas Health Science Center at San Antonio: $201K across 1 grant, latest 2023The Robert Wood Johnson Foundation → Justice for Migrant Women: $75K across 1 grant, latest 2023Association of Public Health → The University of Alabama at Birmingham: $22K across 1 grant, latest 2024Gordon E and Betty I Moore Foundation → American College of Radiology: $1.3M across 1 grant, latest 2023Gordon E and Betty I Moore Foundation → Vanderbilt University: $1.3M across 1 grant, latest 2023The Leona M and Harry B Helmsley → Universite Libre De Bruxelles: $723K across 3 grants, latest 2024The Leona M and Harry B Helmsley → Children's Hospital Medical Center: $583K across 1 grant, latest 2024The Leona M and Harry B Helmsley → Alimentiv Inc: $470K across 1 grant, latest 2024The Simons Foundation Inc → Kennedy Krieger Institute: $403K across 2 grants, latest 2024The Simons Foundation Inc → Radboud University Medical Center: $372K across 1 grant, latest 2024The Simons Foundation Inc → Nationwide Children's Hospital: $329K across 2 grants, latest 2023Gordon E and Betty I Moore Foundation → Regents of the University of California: $250K across 1 grant, latest 2024The Simons Foundation Inc → Hugo W Moser Research Institute: $249K across 1 grant, latest 2023The Leona M and Harry B Helmsley → Amc Medical Research Bv: $197K across 1 grant, latest 2023Alfred P Sloan Foundation → Urban Institute: $165K across 1 grant, latest 2022John Templeton Foundation → University of North Carolina at Chapel Hill: $165K across 1 grant, latest 2024The Simons Foundation Inc → Weill Cornell Medicine: $131K across 1 grant, latest 2024The Simons Foundation Inc → King's College London: $118K across 1 grant, latest 2022The Leona M and Harry B Helmsley → University of California San Francisco: $108K across 1 grant, latest 2021The Simons Foundation Inc → Uc Davis: $60K across 1 grant, latest 2023Gordon E and Betty I Moore Foundation → Washington University: $50K across 1 grant, latest 2020The Robert Wood Johnson Foundation → Mujeres Unidas Y Activas: $50K across 1 grant, latest 2022Alfred P Sloan Foundation → Boston College: $49K across 1 grant, latest 2024John Templeton Foundation → University of Winnipeg: $22K across 1 grant, latest 2023The Robert Wood Johnson Foundation → Pennsylvania U of: $6K across 1 grant, latest 2022The Robert Wood Johnson Foundation → Johns Hopkins U Bloomberg Sch of Pub: $4K across 1 grant, latest 2020Gordon E and Betty I Moore Foundation: $9.2M on this topic. Open the funder.Gordon E and Betty I Moore Fo…$9.2MThe Leona M and Harry B Helmsley: $6.4M on this topic. Open the funder.The Leona M and Harry B Helms…$6.4MWalton Family Foundation Inc: $5.2M on this topic. Open the funder.Walton Family Foundation Inc$5.2MThe Simons Foundation Inc: $3.6M on this topic. Open the funder.The Simons Foundation Inc$3.6MJohn Templeton Foundation: $2.2M on this topic. Open the funder.John Templeton Foundation$2.2MAlzheimer's Disease Research Foundation: $1.9M on this topic. Open the funder.Alzheimer's Disease Research…$1.9MAlfred P Sloan Foundation: $1.9M on this topic. Open the funder.Alfred P Sloan Foundation$1.9MClean Slate Initiative Inc: $1.2M on this topic. Open the funder.Clean Slate Initiative Inc$1.2MThe Robert Wood Johnson Foundation: $824K on this topic. Open the funder.The Robert Wood Johnson Found…$824KNational Anti-Vivisection Society: $800K on this topic. Open the funder.National Anti-Vivisection Soc…$800KAssociation of Public Health: $781K on this topic. Open the funder.Association of Public Health$781KThe Mcknight Foundation: $385K on this topic. Open the funder.The Mcknight Foundation$385KWinrock International Institute for Agricultural Development: received $2.3M on this topicWinrock International Institute…$2.3MUniversity of North Carolina Wilmington: received $2.2M on this topicUniversity of North Carolina Wi…$2.2MTrustees of the University of Pennsylvania: received $2.2M on this topicTrustees of the University of P…$2.2MPresident and Fellows of Harvard College: received $2.2M on this topicPresident and Fellows of Harvar…$2.2MConservation X Labs Inc: received $2.0M on this topicConservation X Labs Inc$2.0MSaint Louis University: received $2.0M on this topicSaint Louis University$2.0MMassachusetts General Hospital: received $1.5M on this topicMassachusetts General Hospital$1.5MMass General Brigham for the Massachusetts General Hospital: received $1.4M on this topicMass General Brigham for the Ma…$1.4MAmerican College of Radiology: received $1.3M on this topicAmerican College of Radiology$1.3MVanderbilt University: received $1.3M on this topicVanderbilt University$1.3MConsumer Reports Inc: received $1.1M on this topicConsumer Reports Inc$1.1MTrustees of Indiana University: received $996K on this topicTrustees of Indiana University$996KThe University of North Carolina at Chapel Hill: received $824K on this topicThe University of North Carolin…$824KInternational Foundation for Ethical Research: received $800K on this topicInternational Foundation for Et…$800KUniversite Libre De Bruxelles: received $723K on this topicUniversite Libre De Bruxelles$723KRadboud Univ Nijmegen Medical Ctr: received $686K on this topicRadboud Univ Nijmegen Medical C…$686KWeill Medical College of Cornell: received $631K on this topicWeill Medical College of Cornell$631KThe Translational Genomics Research Institute: received $626K on this topicThe Translational Genomics Rese…$626KFayetteville Public Library Foundation: received $621K on this topicFayetteville Public Library Fou…$621KJohn Carroll University: received $620K on this topicJohn Carroll University$620KChildren's Hospital Medical Center: received $583K on this topicChildren's Hospital Medical Cen…$583KYale University: received $544K on this topicYale University$544KNew York University: received $539K on this topicNew York University$539KHoward University: received $495K on this topicHoward University$495KAlimentiv Inc: received $470K on this topicAlimentiv Inc$470KPresident & Board of Santa Clara: received $425K on this topicPresident & Board of Santa Clara$425KKennedy Krieger Institute: received $403K on this topicKennedy Krieger Institute$403KUniversity of Puerto Rico: received $392K on this topicUniversity of Puerto Rico$392KRadboud University Medical Center: received $372K on this topicRadboud University Medical Cent…$372KTennessee Department of Health: received $368K on this topicTennessee Department of Health$368KFundacin Aliados: received $360K on this topicFundacin Aliados$360KNationwide Children's Hospital: received $329K on this topicNationwide Children's Hospital$329KUniversity of Maryland: received $322K on this topicUniversity of Maryland$322KUniversity of California Santa Cruz: received $250K on this topicUniversity of California Santa…$250KUniversity of Southern California: received $250K on this topicUniversity of Southern Californ…$250KRegents of the University of California: received $250K on this topicRegents of the University of Ca…$250KHugo W Moser Research Institute: received $249K on this topicHugo W Moser Research Institute$249KThe University of Texas Health Science Center at San Antonio: received $201K on this topicThe University of Texas Health…$201KUniversity of Texas Health Science Center at San Antonio: received $201K on this topicUniversity of Texas Health Scie…$201KAmc Medical Research Bv: received $197K on this topicAmc Medical Research Bv$197KUrban Institute: received $165K on this topicUrban Institute$165KUniversity of North Carolina at Chapel Hill: received $165K on this topicUniversity of North Carolina at…$165KHealth Care Cost Inst: received $150K on this topicHealth Care Cost Inst$150KWeill Cornell Medicine: received $131K on this topicWeill Cornell Medicine$131KKing's College London: received $118K on this topicKing's College London$118KUniversity of California San Francisco: received $108K on this topicUniversity of California San Fr…$108KJustice for Migrant Women: received $75K on this topicJustice for Migrant Women$75KUc Davis: received $60K on this topicUc Davis$60KWashington University: received $50K on this topicWashington University$50KMujeres Unidas Y Activas: received $50K on this topicMujeres Unidas Y Activas$50KBoston College: received $49K on this topicBoston College$49KRain Taxi Inc: received $25K on this topicRain Taxi Inc$25KUniversity of Winnipeg: received $22K on this topicUniversity of Winnipeg$22KThe University of Alabama at Birmingham: received $22K on this topicThe University of Alabama at Bi…$22KPennsylvania U of: received $6K on this topicPennsylvania U of$6KJohns Hopkins U Bloomberg Sch of Pub: received $4K on this topicJohns Hopkins U Bloomberg Sch o…$4K
12 funders, 56 recipients, grants matching “validation” 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 20192025. 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 →