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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 “oxygen”
Where the money went
Largest: $3.1M to CLINTON HEALTH ACCESS INITIATIVE INC — improving medical oxygen production and utilization
Largest: $500,000 to OXYGEN HUB LTD — toward the costs of leveraging a franchise model to localize production and distribution of oxygen in sub-saharan africa
Largest: $50,000 to STANFORD UNIVERSITY — melissa vogelsong md study influence of sedation on neurocognitive outcomes and quality of life following extracorporeal membrane oxygenation for cardiac arrest and post-cardiotomy…
Largest: $60,000 to NEW ENGLAND WILDLIFE CENTER BIRDSEY CAPE WILDLIFE CENTER — for new waterfowl caging, vaccines for the patients, modular cage banks for patients' recovery and rehab, medical oxygen and specialty food for the wildlife patients
Largest: $1.8M to UNIVERSITY OF CAPE TOWN — support for scientific research on oxygen and biogeochemical dynamics along the west african margin: processes and consequences
Largest: $17,000 to MAKERS ASYLUM INNOV-041322-GRANT PAYMENT — data collection of oxygen concentrators and other respiratory equipment that need repair at clinical sites in
Largest: $45,000 to CHESAPEAKE BAY FOUNDATION — save the bay, and keep it saved, as defined by reaching a 70 on cbf's health index. the chesapeake bay and its tributary rivers, broadly recognized as a national treasure, will be …
The Ahmanson FoundationBeverly Hills, CA
2 matching grants · $100,000 · through 2023Largest: $50,000 to INSTITUTE OF WORLD POLITICS — support toward the library low-oxygen fire suppression system and "space-saver" shelving units
Largest: $500,000 to 50BREAKTHROUGHS FOUNDATION — oxygen hub initiative (phase 2)
Largest: $654,000 to National Heart Lund and Blood Insti — support for research in studying how reactive oxygen specis (ros) cause inflammation.
Honorable Order of Kentucky ColonelsLouisville, KYCharity · may take applications
2 matching grants · $10,398 · through 2024Largest: $5,998 to Kentucky Watershed Watch — ten waterproof, pocket conductivity tester, ten wide-range ph kit (50 tests), ten dissolved oxygen water test kit (50 tests), ten calibration standard for conductivity meter (32 oz…
Largest: $100,000 to OHSU FOUNDATION (INTESTINAL MEMBRANE OXYGENATOR (IMO AQUALUNG PROJECT) — support advanced critical medical research at center for regenerative medicine, center infrastructure/lab and product innovation.
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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 →

