Funding search

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 “oxygen”

Where the money went

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The Leona M and Harry B Helmsley → Clinton Health Access Initiative Inc: $5.9M across 2 grants, latest 2024The Eric and Wendy Schmidt Fund for → University of Cape Town: $1.8M across 1 grant, latest 2024Amar Foundation → National Heart Lund and Blood Insti: $654K across 1 grant, latest 2024The Skoll Foundation → Global Health Informatics Institute: $650K across 1 grant, latest 2022The Rockefeller Foundation → Oxygen Hub Ltd: $500K across 1 grant, latest 2022Knopf Family Foundation Inc → New England Wildlife Center Birdsey Cape Wildlife Center: $120K across 2 grants, latest 2025The Ahmanson Foundation → Institute of World Politics: $100K across 2 grants, latest 2023Vatheuer Family Foundation Inc → Ohsu Foundation (Intestinal Membrane Oxygenator (Imo Aqualung Project): $100K across 1 grant, latest 2024The Owens & Minor Foundation → Chesapeake Bay Foundation: $70K across 2 grants, latest 2025Zoll Foundation Inc → Stanford University: $50K across 1 grant, latest 2021Intuitive Foundation → Makers Asylum Innov-041322-Grant Payment: $17K across 1 grant, latest 2022Honorable Order of Kentucky Colonels Inc → Kentucky Watershed Watch: $6K across 1 grant, latest 2024The Leona M and Harry B Helmsley → Renown Health Foundation: $3.3M across 2 grants, latest 2024The Skoll Foundation → 50breakthroughs Foundation: $500K across 1 grant, latest 2022The Rockefeller Foundation → African Population and Health Research Centre Inc: $402K across 2 grants, latest 2023The Eric and Wendy Schmidt Fund for → Princeton University: $350K across 1 grant, latest 2024Knopf Family Foundation Inc → Birdsey Cape Wildlife Center: $100K across 2 grants, latest 2023Zoll Foundation Inc → Brigham and Women's Hospital: $50K across 1 grant, latest 2023Intuitive Foundation → Makers Asylum Innov-Exp062022-23-Grant Payment: $9K across 1 grant, latest 2022Honorable Order of Kentucky Colonels Inc → Bluegrass Care Navigators: $4K across 1 grant, latest 2024The Leona M and Harry B Helmsley → The Regents of the University of California at Irvine: $1.9M across 3 grants, latest 2024Zoll Foundation Inc → University of Oxford: $35K across 1 grant, latest 2022Intuitive Foundation → Makers Asylum Innov-Exp112022-23-Professional Fees for Data Collection: $9K across 1 grant, latest 2022The Leona M and Harry B Helmsley → Regents of the University of Minnesota: $750K across 3 grants, latest 2024The Leona M and Harry B Helmsley → Americares Foundation Inc: $183K across 1 grant, latest 2021The Leona M and Harry B Helmsley: $12M on this topic. Open the funder.The Leona M and Harry B Helms…$12MThe Eric and Wendy Schmidt Fund for: $2.2M on this topic. Open the funder.The Eric and Wendy Schmidt Fu…$2.2MThe Skoll Foundation: $1.1M on this topic. Open the funder.The Skoll Foundation$1.1MThe Rockefeller Foundation: $902K on this topic. Open the funder.The Rockefeller Foundation$902KAmar Foundation: $654K on this topic. Open the funder.Amar Foundation$654KKnopf Family Foundation Inc: $220K on this topic. Open the funder.Knopf Family Foundation Inc$220KZoll Foundation Inc: $135K on this topic. Open the funder.Zoll Foundation Inc$135KThe Ahmanson Foundation: $100K on this topic. Open the funder.The Ahmanson Foundation$100KVatheuer Family Foundation Inc: $100K on this topic. Open the funder.Vatheuer Family Foundation Inc$100KThe Owens & Minor Foundation: $70K on this topic. Open the funder.The Owens & Minor Foundation$70KIntuitive Foundation: $35K on this topic. Open the funder.Intuitive Foundation$35KHonorable Order of Kentucky Colonels Inc: $10K on this topic. Open the funder.Honorable Order of Kentucky C…$10KClinton Health Access Initiative Inc: received $5.9M on this topicClinton Health Access Initiativ…$5.9MRenown Health Foundation: received $3.3M on this topicRenown Health Foundation$3.3MThe Regents of the University of California at Irvine: received $1.9M on this topicThe Regents of the University o…$1.9MUniversity of Cape Town: received $1.8M on this topicUniversity of Cape Town$1.8MRegents of the University of Minnesota: received $750K on this topicRegents of the University of Mi…$750KNational Heart Lund and Blood Insti: received $654K on this topicNational Heart Lund and Blood I…$654KGlobal Health Informatics Institute: received $650K on this topicGlobal Health Informatics Insti…$650KOxygen Hub Ltd: received $500K on this topicOxygen Hub Ltd$500K50breakthroughs Foundation: received $500K on this topic50breakthroughs Foundation$500KAfrican Population and Health Research Centre Inc: received $402K on this topicAfrican Population and Health R…$402KPrinceton University: received $350K on this topicPrinceton University$350KAmericares Foundation Inc: received $183K on this topicAmericares Foundation Inc$183KNew England Wildlife Center Birdsey Cape Wildlife Center: received $120K on this topicNew England Wildlife Center Bir…$120KInstitute of World Politics: received $100K on this topicInstitute of World Politics$100KOhsu Foundation (Intestinal Membrane Oxygenator (Imo Aqualung Project): received $100K on this topicOhsu Foundation (Intestinal Mem…$100KBirdsey Cape Wildlife Center: received $100K on this topicBirdsey Cape Wildlife Center$100KChesapeake Bay Foundation: received $70K on this topicChesapeake Bay Foundation$70KStanford University: received $50K on this topicStanford University$50KBrigham and Women's Hospital: received $50K on this topicBrigham and Women's Hospital$50KUniversity of Oxford: received $35K on this topicUniversity of Oxford$35KMakers Asylum Innov-041322-Grant Payment: received $17K on this topicMakers Asylum Innov-041322-Gran…$17KMakers Asylum Innov-Exp062022-23-Grant Payment: received $9K on this topicMakers Asylum Innov-Exp062022-2…$9KMakers Asylum Innov-Exp112022-23-Professional Fees for Data Collection: received $9K on this topicMakers Asylum Innov-Exp112022-2…$9KKentucky Watershed Watch: received $6K on this topicKentucky Watershed Watch$6KBluegrass Care Navigators: received $4K on this topicBluegrass Care Navigators$4K
12 funders, 25 recipients, grants matching “oxygen” 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 →