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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 “diagnostic”

Where the money went

1.0×
Gates Foundation → Gates Medical Research Institute: $277M across 1 grant, latest 2024Gordon E and Betty I Moore Foundation → Regents of the University of California: $19M across 5 grants, latest 2024The Leona M and Harry B Helmsley → Hadassah Medical Organization: $5.0M across 2 grants, latest 2023Curebound → The Regents of University of California Uc San Diego: $4.7M across 1 grant, latest 2024Foundation for Innovative New Diagnostics → Biomeme: $4.0M across 1 grant, latest 2022The Ford Foundation → Pan American Health Organization: $2.0M across 2 grants, latest 2023Council of Medical Specialty Societies → American Society of Clinical Oncology Inc: $1.7M across 1 grant, latest 2023Autism Spectrum Disorders Trust → Goodwill Industries: $1.4M across 4 grants, latest 2025National Breast Cancer Foundation Inc → Parkland Foundation On Behalf of Parkland Health: $638K across 1 grant, latest 2022The John A Hartford Foundation Inc → Society to Improve Diagnosis in Medicine: $438K across 5 grants, latest 2023Brem Foundation to Defeat Breast Cancer → Adventist Healthcare: $190K across 3 grants, latest 2024Maine Technology Institute → Blue Rabbit Ventures Inc: $100K across 1 grant, latest 2022Gates Foundation → Bill & Melinda Gates Medical Research Institute: $176M across 2 grants, latest 2023Gordon E and Betty I Moore Foundation → National Academy of Sciences: $6.9M across 5 grants, latest 2024The Leona M and Harry B Helmsley → Foundation for Innovative New Diagnostics Find: $3.5M across 3 grants, latest 2024Council of Medical Specialty Societies → American Association of Clinical Endocrinology Inc: $1.6M across 1 grant, latest 2023Foundation for Innovative New Diagnostics → Diagnostic Consulting Network Inc: $1.0M across 1 grant, latest 2023Curebound → La Jolla Institute for Immunology: $532K across 1 grant, latest 2024National Breast Cancer Foundation Inc → Ut Southwestern Medical Center: $377K across 1 grant, latest 2022Autism Spectrum Disorders Trust → Blue Ridge Community Farm: $363K across 4 grants, latest 2025The John A Hartford Foundation Inc → Institute for Healthcare Improvement: $347K across 2 grants, latest 2024The Ford Foundation → Instituto De Direito Global: $250K across 3 grants, latest 2024Brem Foundation to Defeat Breast Cancer → St Lukes University Hospital: $150K across 3 grants, latest 2024Maine Technology Institute → Optimum Imaging Diagnostics LLC: $75K across 1 grant, latest 2021Gates Foundation → University of Washington Foundation: $101M across 25 grants, latest 2024Gordon E and Betty I Moore Foundation → Kaiser Foundation Hospitals: $5.5M across 2 grants, latest 2023The Leona M and Harry B Helmsley → Incline Village Community Hospital Foundation: $1.8M across 1 grant, latest 2021Council of Medical Specialty Societies → American College of Occupational and Environmental Medicine: $1.2M across 1 grant, latest 2023Foundation for Innovative New Diagnostics → Elizabeth Glaser Pediatric Aids Foundation: $1.0M across 2 grants, latest 2023Curebound → Sanford Burnham Prebys: $412K across 1 grant, latest 2024National Breast Cancer Foundation Inc → Parkland Health Foundation: $377K across 1 grant, latest 2024The John A Hartford Foundation Inc → National Academy of Sciences: $131K across 2 grants, latest 2024Brem Foundation to Defeat Breast Cancer → Breast Care for Washington: $130K across 3 grants, latest 2024Autism Spectrum Disorders Trust → Picket Fence Foundation: $119K across 1 grant, latest 2025The Ford Foundation → Nigerian Economic Summit Group: $50K across 1 grant, latest 2022Maine Technology Institute → Boundless Diagnostics Inc: $50K across 1 grant, latest 2024Gates Foundation → Path: $94M across 18 grants, latest 2024Gates Foundation → International Bank for Reconstruction and Development: $77M across 3 grants, latest 2024Gates Foundation → Emory University: $48M across 11 grants, latest 2024Gates Foundation → World Health Organization: $19M across 8 grants, latest 2024Gates Foundation → One Campaign the: $15M across 2 grants, latest 2024Gates Foundation → United States Fund for Unicef: $14M across 3 grants, latest 2024Gates Foundation → International Vaccine Institute: $14M across 22 grants, latest 2024Gates Foundation → International Centre for Diarrhoeal Disease Research Bangladesh: $14M across 15 grants, latest 2024Gates Foundation → Results Educational Fund Inc: $13M across 2 grants, latest 2024Gates Foundation → Foundation for Innovative New Diagnostics: $13M across 17 grants, latest 2024Gates Foundation → New Venture Fund: $11M across 4 grants, latest 2024Gates Foundation → Board of Trustees of the Leland Stanford Junior University the: $9.7M across 3 grants, latest 2024Gates Foundation → Rector and Visitors of the University of Virginia the: $8.9M across 13 grants, latest 2024Gates Foundation → Co-Diagnostics Inc: $7.8M across 4 grants, latest 2024Gates Foundation → National Foundation for the Centers for Disease Control & Prevention Inc: $7.3M across 10 grants, latest 2024Gates Foundation → Johns Hopkins University: $6.8M across 13 grants, latest 2024Gates Foundation → Christian Medical College Vellore Association: $6.6M across 9 grants, latest 2024Gates Foundation → National University of Singapore: $6.6M across 3 grants, latest 2024Gates Foundation → African Society for Laboratory Medicine Npc: $6.3M across 3 grants, latest 2024Gates Foundation → Pall Corporation: $6.3M across 1 grant, latest 2023Gates Foundation → Save the Children Fund: $6.2M across 2 grants, latest 2024Gates Foundation → Biological E Limited: $5.9M across 4 grants, latest 2024Gates Foundation → Detact Diagnostics Bv: $5.7M across 6 grants, latest 2024Gates Foundation → Clinton Health Access Initiative Inc: $5.2M across 7 grants, latest 2024Gates Foundation → Limmatech Biologics Ag: $5.0M across 4 grants, latest 2024Gates Foundation → Aptitude Medical Systems Inc: $4.8M across 4 grants, latest 2024Gordon E and Betty I Moore Foundation → National Quality Forum: $4.7M across 2 grants, latest 2023Gates Foundation → Kymab Limited: $4.7M across 3 grants, latest 2024Gates Foundation: $991M on this topic. Open the funder.Gates Foundation$991MGordon E and Betty I Moore Foundation: $36M on this topic. Open the funder.Gordon E and Betty I Moore Fo…$36MThe Leona M and Harry B Helmsley: $10M on this topic. Open the funder.The Leona M and Harry B Helms…$10MFoundation for Innovative New Diagnostics: $6.0M on this topic. Open the funder.Foundation for Innovative New…$6.0MCurebound: $5.7M on this topic. Open the funder.Curebound$5.7MCouncil of Medical Specialty Societies: $4.5M on this topic. Open the funder.Council of Medical Specialty…$4.5MThe Ford Foundation: $2.3M on this topic. Open the funder.The Ford Foundation$2.3MAutism Spectrum Disorders Trust: $1.8M on this topic. Open the funder.Autism Spectrum Disorders Tru…$1.8MNational Breast Cancer Foundation Inc: $1.4M on this topic. Open the funder.National Breast Cancer Founda…$1.4MThe John A Hartford Foundation Inc: $916K on this topic. Open the funder.The John A Hartford Foundatio…$916KBrem Foundation to Defeat Breast Cancer: $470K on this topic. Open the funder.Brem Foundation to Defeat Bre…$470KMaine Technology Institute: $225K on this topic. Open the funder.Maine Technology Institute$225KGates Medical Research Institute: received $277M on this topicGates Medical Research Institute$277MBill & Melinda Gates Medical Research Institute: received $176M on this topicBill & Melinda Gates Medical Re…$176MUniversity of Washington Foundation: received $101M on this topicUniversity of Washington Founda…$101MPath: received $94M on this topicPath$94MInternational Bank for Reconstruction and Development: received $77M on this topicInternational Bank for Reconstr…$77MEmory University: received $48M on this topicEmory University$48MWorld Health Organization: received $19M on this topicWorld Health Organization$19MRegents of the University of California: received $19M on this topicRegents of the University of Ca…$19MOne Campaign the: received $15M on this topicOne Campaign the$15MUnited States Fund for Unicef: received $14M on this topicUnited States Fund for Unicef$14MInternational Vaccine Institute: received $14M on this topicInternational Vaccine Institute$14MInternational Centre for Diarrhoeal Disease Research Bangladesh: received $14M on this topicInternational Centre for Diarrh…$14MResults Educational Fund Inc: received $13M on this topicResults Educational Fund Inc$13MFoundation for Innovative New Diagnostics: received $13M on this topicFoundation for Innovative New D…$13MNew Venture Fund: received $11M on this topicNew Venture Fund$11MBoard of Trustees of the Leland Stanford Junior University the: received $9.7M on this topicBoard of Trustees of the Leland…$9.7MRector and Visitors of the University of Virginia the: received $8.9M on this topicRector and Visitors of the Univ…$8.9MCo-Diagnostics Inc: received $7.8M on this topicCo-Diagnostics Inc$7.8MNational Foundation for the Centers for Disease Control & Prevention Inc: received $7.3M on this topicNational Foundation for the Cen…$7.3MNational Academy of Sciences: received $7.0M on this topicNational Academy of Sciences$7.0MJohns Hopkins University: received $6.8M on this topicJohns Hopkins University$6.8MChristian Medical College Vellore Association: received $6.6M on this topicChristian Medical College Vello…$6.6MNational University of Singapore: received $6.6M on this topicNational University of Singapore$6.6MAfrican Society for Laboratory Medicine Npc: received $6.3M on this topicAfrican Society for Laboratory…$6.3MPall Corporation: received $6.3M on this topicPall Corporation$6.3MSave the Children Fund: received $6.2M on this topicSave the Children Fund$6.2MBiological E Limited: received $5.9M on this topicBiological E Limited$5.9MDetact Diagnostics Bv: received $5.7M on this topicDetact Diagnostics Bv$5.7MKaiser Foundation Hospitals: received $5.5M on this topicKaiser Foundation Hospitals$5.5MClinton Health Access Initiative Inc: received $5.2M on this topicClinton Health Access Initiativ…$5.2MHadassah Medical Organization: received $5.0M on this topicHadassah Medical Organization$5.0MLimmatech Biologics Ag: received $5.0M on this topicLimmatech Biologics Ag$5.0MAptitude Medical Systems Inc: received $4.8M on this topicAptitude Medical Systems Inc$4.8MNational Quality Forum: received $4.7M on this topicNational Quality Forum$4.7MThe Regents of University of California Uc San Diego: received $4.7M on this topicThe Regents of University of Ca…$4.7MKymab Limited: received $4.7M on this topicKymab Limited$4.7MBiomeme: received $4.0M on this topicBiomeme$4.0MFoundation for Innovative New Diagnostics Find: received $3.5M on this topicFoundation for Innovative New D…$3.5MPan American Health Organization: received $2.0M on this topicPan American Health Organization$2.0MIncline Village Community Hospital Foundation: received $1.8M on this topicIncline Village Community Hospi…$1.8MAmerican Society of Clinical Oncology Inc: received $1.7M on this topicAmerican Society of Clinical On…$1.7MAmerican Association of Clinical Endocrinology Inc: received $1.6M on this topicAmerican Association of Clinica…$1.6MGoodwill Industries: received $1.4M on this topicGoodwill Industries$1.4MAmerican College of Occupational and Environmental Medicine: received $1.2M on this topicAmerican College of Occupationa…$1.2MDiagnostic Consulting Network Inc: received $1.0M on this topicDiagnostic Consulting Network I…$1.0MElizabeth Glaser Pediatric Aids Foundation: received $1.0M on this topicElizabeth Glaser Pediatric Aids…$1.0MParkland Foundation On Behalf of Parkland Health: received $638K on this topicParkland Foundation On Behalf o…$638KLa Jolla Institute for Immunology: received $532K on this topicLa Jolla Institute for Immunolo…$532KSociety to Improve Diagnosis in Medicine: received $438K on this topicSociety to Improve Diagnosis in…$438KSanford Burnham Prebys: received $412K on this topicSanford Burnham Prebys$412KUt Southwestern Medical Center: received $377K on this topicUt Southwestern Medical Center$377KParkland Health Foundation: received $377K on this topicParkland Health Foundation$377KBlue Ridge Community Farm: received $363K on this topicBlue Ridge Community Farm$363KInstitute for Healthcare Improvement: received $347K on this topicInstitute for Healthcare Improv…$347KInstituto De Direito Global: received $250K on this topicInstituto De Direito Global$250KAdventist Healthcare: received $190K on this topicAdventist Healthcare$190KSt Lukes University Hospital: received $150K on this topicSt Lukes University Hospital$150KBreast Care for Washington: received $130K on this topicBreast Care for Washington$130KPicket Fence Foundation: received $119K on this topicPicket Fence Foundation$119KBlue Rabbit Ventures Inc: received $100K on this topicBlue Rabbit Ventures Inc$100KOptimum Imaging Diagnostics LLC: received $75K on this topicOptimum Imaging Diagnostics LLC$75KNigerian Economic Summit Group: received $50K on this topicNigerian Economic Summit Group$50KBoundless Diagnostics Inc: received $50K on this topicBoundless Diagnostics Inc$50K
12 funders, 63 recipients, grants matching “diagnostic” 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 →