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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 “hygiene”

Where the money went

1.0×
Gates Foundation → London School of Hygiene and Tropical Medicine: $27M across 51 grants, latest 2024The Susan Thompson Buffett Foundation → Ministry of Health and Public Hygiene Senegal: $24M across 1 grant, latest 2025T Causemetics Foundation Dba Thrive → I Support the Girls: $2.9M across 2 grants, latest 2024Wellspring Philanthropic Fund Inc → London School of Hygiene & Tropical Medicine: $1.9M across 4 grants, latest 2021Kehe Cares Foundation Inc → Ubuntu Pathways Inc: $250K across 3 grants, latest 2024Delta Dental of Wisconsin Foundation Inc → Chippewa Valley Technical College Foundation: $195K across 1 grant, latest 2022The Dyson Foundation → City of Poughkeepsie: $100K across 1 grant, latest 2022Highmark Foundation → Virginia Health Catalyst: $75K across 1 grant, latest 2022Pallottine Foundation of Huntington → St Vincent Mission Inc: $70K across 4 grants, latest 2023Coserv Charitable Foundation → Refresh Frisco: $50K across 3 grants, latest 2024Masonic Home of Missouri → Clinton County R-III School District: $30K across 1 grant, latest 2022The Community Foundation for Greater New → Christ Episcopal Church: $19K across 2 grants, latest 2024Gates Foundation → New Venture Fund: $18M across 2 grants, latest 2023The Susan Thompson Buffett Foundation → Ministry of Health and Public Hygiene - Democratic Republic of the Congo: $13M across 1 grant, latest 2025Wellspring Philanthropic Fund Inc → London School of Hygiene and Tropical Medicine: $1.0M across 3 grants, latest 2023T Causemetics Foundation Dba Thrive → Esposas Militares Hispanas USA Arme: $492K across 1 grant, latest 2023Delta Dental of Wisconsin Foundation Inc → Milwaukee Area Technical College Foundation: $173K across 1 grant, latest 2024Kehe Cares Foundation Inc → Special Spaces Inc: $100K across 3 grants, latest 2024Pallottine Foundation of Huntington → Boone County Health Department: $62K across 3 grants, latest 2023The Dyson Foundation → Regional Economic Community Action Program: $60K across 3 grants, latest 2024Coserv Charitable Foundation → Christian Community Action: $40K across 1 grant, latest 2024Highmark Foundation → Community College of Philadelphia Foundation: $24K across 2 grants, latest 2024Masonic Home of Missouri → Care to Learn: $16K across 1 grant, latest 2023The Community Foundation for Greater New → Traveler On A Mission: $10K across 1 grant, latest 2024Gates Foundation → Agence Francaise De Developpement: $17M across 2 grants, latest 2024The Susan Thompson Buffett Foundation → London School of Hygiene and Tropical Medicine: $3.6M across 2 grants, latest 2024T Causemetics Foundation Dba Thrive → Angel Hanz for the Homeless Inc: $251K across 1 grant, latest 2024Delta Dental of Wisconsin Foundation Inc → Chippewa Valley Technical College: $169K across 1 grant, latest 2024Pallottine Foundation of Huntington → The Reach Initiative: $58K across 3 grants, latest 2022The Dyson Foundation → United Way of the Dutchess-Orange Region: $41K across 2 grants, latest 2024Coserv Charitable Foundation → Arlington Charities Inc: $20K across 2 grants, latest 2024Highmark Foundation → University of Pittsburgh: $16K across 1 grant, latest 2024Masonic Home of Missouri → Logan Rogersville School Pta: $15K across 1 grant, latest 2024Kehe Cares Foundation Inc → American Heart Association: $10K across 1 grant, latest 2023The Community Foundation for Greater New → Elena's Light: $10K across 1 grant, latest 2024Gates Foundation → Speak Up Africa: $13M across 6 grants, latest 2024Gates Foundation → International Bank for Reconstruction and Development: $11M across 3 grants, latest 2023Gates Foundation → Georgia Tech Research Corporation: $10M across 3 grants, latest 2024Gates Foundation → Asian Institute of Technology: $9.1M across 5 grants, latest 2024Gates Foundation → United States Fund for Unicef: $8.4M across 11 grants, latest 2024Gates Foundation → University of Washington Foundation: $5.5M across 3 grants, latest 2024Gates Foundation → International Foundation for Research and Education: $5.5M across 3 grants, latest 2024Gates Foundation → Administrative Staff College of India: $5.2M across 5 grants, latest 2024Gates Foundation → Asian Development Bank: $5.0M across 2 grants, latest 2024Gates Foundation → Water Sanitation and Hygiene Institute: $5.0M across 7 grants, latest 2024Gates Foundation → International Budget Partnership: $4.9M across 3 grants, latest 2024Gates Foundation → Cranfield University: $4.7M across 4 grants, latest 2024Gates Foundation → African Ministers' Council On Water: $4.1M across 5 grants, latest 2024Gates Foundation → Eastern and Southern Africa Water and Sanitation Regulators Association: $4.0M across 4 grants, latest 2024Gates Foundation → Dasra: $3.9M across 5 grants, latest 2024Gates Foundation → Stichting Faecal Sludge Management Alliance: $3.9M across 5 grants, latest 2023Gates Foundation → Janaagraha Centre for Citizenship and Democracy: $3.7M across 4 grants, latest 2024Gates Foundation → Duke University: $3.6M across 4 grants, latest 2023Gates Foundation → Development Bank of Southern Africa: $3.5M across 2 grants, latest 2024Gates Foundation → United Nations Human Settlements Programme (Un-Habitat): $3.4M across 2 grants, latest 2023Gates Foundation → Indian Institute for Human Settlements: $3.3M across 3 grants, latest 2024Gates Foundation → Stichting Ihe Delft Institute for Water Education: $3.2M across 7 grants, latest 2024Gates Foundation → African Population & Health Research Center Inc: $3.1M across 4 grants, latest 2024Gates Foundation → Water Research Commission: $3.0M across 2 grants, latest 2023Gates Foundation → African Water and Sanitation Association: $3.0M across 2 grants, latest 2024The Susan Thompson Buffett Foundation → London School of Hygiene & Tropical Medicine: $3.0M across 2 grants, latest 2025Gates Foundation → African Water Association: $2.9M across 3 grants, latest 2023Gates Foundation → Tuv Sud Asia Pacific Pte Ltd: $2.9M across 2 grants, latest 2023Gates Foundation → International Water Association: $2.8M across 3 grants, latest 2024Gates Foundation: $204M on this topic. Open the funder.Gates Foundation$204MThe Susan Thompson Buffett Foundation: $44M on this topic. Open the funder.The Susan Thompson Buffett Fo…$44MT Causemetics Foundation Dba Thrive: $3.7M on this topic. Open the funder.T Causemetics Foundation Dba…$3.7MWellspring Philanthropic Fund Inc: $2.9M on this topic. Open the funder.Wellspring Philanthropic Fund…$2.9MDelta Dental of Wisconsin Foundation Inc: $538K on this topic. Open the funder.Delta Dental of Wisconsin Fou…$538KKehe Cares Foundation Inc: $360K on this topic. Open the funder.Kehe Cares Foundation Inc$360KThe Dyson Foundation: $201K on this topic. Open the funder.The Dyson Foundation$201KPallottine Foundation of Huntington: $189K on this topic. Open the funder.Pallottine Foundation of Hunt…$189KHighmark Foundation: $115K on this topic. Open the funder.Highmark Foundation$115KCoserv Charitable Foundation: $110K on this topic. Open the funder.Coserv Charitable Foundation$110KMasonic Home of Missouri: $62K on this topic. Open the funder.Masonic Home of Missouri$62KThe Community Foundation for Greater New: $39K on this topic. Open the funder.The Community Foundation for…$39KLondon School of Hygiene and Tropical Medicine: received $32M on this topicLondon School of Hygiene and Tr…$32MMinistry of Health and Public Hygiene Senegal: received $24M on this topicMinistry of Health and Public H…$24MNew Venture Fund: received $18M on this topicNew Venture Fund$18MAgence Francaise De Developpement: received $17M on this topicAgence Francaise De Developpeme…$17MMinistry of Health and Public Hygiene - Democratic Republic of the Congo: received $13M on this topicMinistry of Health and Public H…$13MSpeak Up Africa: received $13M on this topicSpeak Up Africa$13MInternational Bank for Reconstruction and Development: received $11M on this topicInternational Bank for Reconstr…$11MGeorgia Tech Research Corporation: received $10M on this topicGeorgia Tech Research Corporati…$10MAsian Institute of Technology: received $9.1M on this topicAsian Institute of Technology$9.1MUnited States Fund for Unicef: received $8.4M on this topicUnited States Fund for Unicef$8.4MUniversity of Washington Foundation: received $5.5M on this topicUniversity of Washington Founda…$5.5MInternational Foundation for Research and Education: received $5.5M on this topicInternational Foundation for Re…$5.5MAdministrative Staff College of India: received $5.2M on this topicAdministrative Staff College of…$5.2MAsian Development Bank: received $5.0M on this topicAsian Development Bank$5.0MWater Sanitation and Hygiene Institute: received $5.0M on this topicWater Sanitation and Hygiene In…$5.0MInternational Budget Partnership: received $4.9M on this topicInternational Budget Partnership$4.9MLondon School of Hygiene & Tropical Medicine: received $4.9M on this topicLondon School of Hygiene & Trop…$4.9MCranfield University: received $4.7M on this topicCranfield University$4.7MAfrican Ministers' Council On Water: received $4.1M on this topicAfrican Ministers' Council On W…$4.1MEastern and Southern Africa Water and Sanitation Regulators Association: received $4.0M on this topicEastern and Southern Africa Wat…$4.0MDasra: received $3.9M on this topicDasra$3.9MStichting Faecal Sludge Management Alliance: received $3.9M on this topicStichting Faecal Sludge Managem…$3.9MJanaagraha Centre for Citizenship and Democracy: received $3.7M on this topicJanaagraha Centre for Citizensh…$3.7MDuke University: received $3.6M on this topicDuke University$3.6MDevelopment Bank of Southern Africa: received $3.5M on this topicDevelopment Bank of Southern Af…$3.5MUnited Nations Human Settlements Programme (Un-Habitat): received $3.4M on this topicUnited Nations Human Settlement…$3.4MIndian Institute for Human Settlements: received $3.3M on this topicIndian Institute for Human Sett…$3.3MStichting Ihe Delft Institute for Water Education: received $3.2M on this topicStichting Ihe Delft Institute f…$3.2MAfrican Population & Health Research Center Inc: received $3.1M on this topicAfrican Population & Health Res…$3.1MWater Research Commission: received $3.0M on this topicWater Research Commission$3.0MAfrican Water and Sanitation Association: received $3.0M on this topicAfrican Water and Sanitation As…$3.0MI Support the Girls: received $2.9M on this topicI Support the Girls$2.9MAfrican Water Association: received $2.9M on this topicAfrican Water Association$2.9MTuv Sud Asia Pacific Pte Ltd: received $2.9M on this topicTuv Sud Asia Pacific Pte Ltd$2.9MInternational Water Association: received $2.8M on this topicInternational Water Association$2.8MEsposas Militares Hispanas USA Arme: received $492K on this topicEsposas Militares Hispanas USA…$492KAngel Hanz for the Homeless Inc: received $251K on this topicAngel Hanz for the Homeless Inc$251KUbuntu Pathways Inc: received $250K on this topicUbuntu Pathways Inc$250KChippewa Valley Technical College Foundation: received $195K on this topicChippewa Valley Technical Colle…$195KMilwaukee Area Technical College Foundation: received $173K on this topicMilwaukee Area Technical Colleg…$173KChippewa Valley Technical College: received $169K on this topicChippewa Valley Technical Colle…$169KSpecial Spaces Inc: received $100K on this topicSpecial Spaces Inc$100KCity of Poughkeepsie: received $100K on this topicCity of Poughkeepsie$100KVirginia Health Catalyst: received $75K on this topicVirginia Health Catalyst$75KSt Vincent Mission Inc: received $70K on this topicSt Vincent Mission Inc$70KBoone County Health Department: received $62K on this topicBoone County Health Department$62KRegional Economic Community Action Program: received $60K on this topicRegional Economic Community Act…$60KThe Reach Initiative: received $58K on this topicThe Reach Initiative$58KRefresh Frisco: received $50K on this topicRefresh Frisco$50KUnited Way of the Dutchess-Orange Region: received $41K on this topicUnited Way of the Dutchess-Oran…$41KChristian Community Action: received $40K on this topicChristian Community Action$40KClinton County R-III School District: received $30K on this topicClinton County R-III School Dis…$30KCommunity College of Philadelphia Foundation: received $24K on this topicCommunity College of Philadelph…$24KArlington Charities Inc: received $20K on this topicArlington Charities Inc$20KChrist Episcopal Church: received $19K on this topicChrist Episcopal Church$19KCare to Learn: received $16K on this topicCare to Learn$16KUniversity of Pittsburgh: received $16K on this topicUniversity of Pittsburgh$16KLogan Rogersville School Pta: received $15K on this topicLogan Rogersville School Pta$15KTraveler On A Mission: received $10K on this topicTraveler On A Mission$10KAmerican Heart Association: received $10K on this topicAmerican Heart Association$10KElena's Light: received $10K on this topicElena's Light$10K
12 funders, 61 recipients, grants matching “hygiene” 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 →