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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 “bighorn”

Where the money went

1.0×
The Leona M and Harry B Helmsley → National Park Foundation: $4.0M across 2 grants, latest 2023David B Jones Foundation → Regents of the University of Michigan: $259K across 3 grants, latest 2024The Andersen Family Foundation Inc → Bighorn Golf Club Charities: $180K across 4 grants, latest 2025The San Diego Foundation → Bighorn Institute: $123K across 4 grants, latest 2024Eastern Chapter of the Foundation for No → National Bighorn Sheep Center: $117K across 3 grants, latest 2024Berlanti Family Foundation → Bighorn Golf Club Charities: $60K across 6 grants, latest 2025Harold W Ripps Charitable Foundation → Bighorn Golf Club Charities: $59K across 4 grants, latest 2025Hittman Family Foundation Inc → Bighorn Behind A Miracle & Bighorn Cares: $38K across 3 grants, latest 2024The Shaw & Betty Walker Foundation → Habitat for Humanity of Eastern Bighorn: $38K across 2 grants, latest 2023Highland Street Connection → Bighorn Golf Club Charities: $24K across 3 grants, latest 2024Muriel and Seymour Thickman Family Foundation → Habitat for Humanity of Eastern Bighorns: $20K across 4 grants, latest 2025Rodman Foundation → Bighorn Golf Club Charities: $13K across 4 grants, latest 2024The Leona M and Harry B Helmsley → Bighorn Valley Health Center Inc: $260K across 1 grant, latest 2023The Shaw & Betty Walker Foundation → Habitat for Humanity of Eastern Bighorns: $30K across 1 grant, latest 2025The San Diego Foundation → California Wild Sheep Foundation: $27K across 1 grant, latest 2024David B Jones Foundation → Bighorn Basin Paleontological Institute: $17K across 3 grants, latest 2024Eastern Chapter of the Foundation for No → Arizona Desert Bighorn Society: $10K across 1 grant, latest 2024Highland Street Connection → Bighorn Institute: $8K across 3 grants, latest 2024Muriel and Seymour Thickman Family Foundation → Bighorn Development Center: $5K across 1 grant, latest 2025The Shaw & Betty Walker Foundation → Habitat for Humanity of Eastern Bighorns: $30K across 1 grant, latest 2024The Leona M and Harry B Helmsley: $4.3M on this topic. Open the funder.The Leona M and Harry B Helms…$4.3MDavid B Jones Foundation: $276K on this topic. Open the funder.David B Jones Foundation$276KThe Andersen Family Foundation Inc: $180K on this topic. Open the funder.The Andersen Family Foundatio…$180KThe San Diego Foundation: $150K on this topic. Open the funder.The San Diego Foundation$150KEastern Chapter of the Foundation for No: $127K on this topic. Open the funder.Eastern Chapter of the Founda…$127KThe Shaw & Betty Walker Foundation: $98K on this topic. Open the funder.The Shaw & Betty Walker Found…$98KBerlanti Family Foundation: $60K on this topic. Open the funder.Berlanti Family Foundation$60KHarold W Ripps Charitable Foundation: $59K on this topic. Open the funder.Harold W Ripps Charitable Fou…$59KHittman Family Foundation Inc: $38K on this topic. Open the funder.Hittman Family Foundation Inc$38KHighland Street Connection: $32K on this topic. Open the funder.Highland Street Connection$32KMuriel and Seymour Thickman Family Foundation: $25K on this topic. Open the funder.Muriel and Seymour Thickman F…$25KRodman Foundation: $13K on this topic. Open the funder.Rodman Foundation$13KNational Park Foundation: received $4.0M on this topicNational Park Foundation$4.0MBighorn Golf Club Charities: received $336K on this topicBighorn Golf Club Charities$336KBighorn Valley Health Center Inc: received $260K on this topicBighorn Valley Health Center Inc$260KRegents of the University of Michigan: received $259K on this topicRegents of the University of Mi…$259KBighorn Institute: received $131K on this topicBighorn Institute$131KNational Bighorn Sheep Center: received $117K on this topicNational Bighorn Sheep Center$117KHabitat for Humanity of Eastern Bighorns: received $50K on this topicHabitat for Humanity of Eastern…$50KBighorn Behind A Miracle & Bighorn Cares: received $38K on this topicBighorn Behind A Miracle & Bigh…$38KHabitat for Humanity of Eastern Bighorn: received $38K on this topicHabitat for Humanity of Eastern…$38KHabitat for Humanity of Eastern Bighorns: received $30K on this topicHabitat for Humanity of Eastern…$30KCalifornia Wild Sheep Foundation: received $27K on this topicCalifornia Wild Sheep Foundation$27KBighorn Basin Paleontological Institute: received $17K on this topicBighorn Basin Paleontological I…$17KArizona Desert Bighorn Society: received $10K on this topicArizona Desert Bighorn Society$10KBighorn Development Center: received $5K on this topicBighorn Development Center$5K
12 funders, 14 recipients, grants matching “bighorn” 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 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 →