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.
Foundation based inAny state AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY PR VI Gave to recipients inAny state AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY PR VI Funder typeBoth Private foundations Charities & associations Grants of at leastAny size $10k $50k $100k Active sinceAny year 2023 or later 2024 or later
12 funders with a record of paying for “leopold”
Where the money went Bill & Melinda Gates Foundation → Prince Leopold Institute of Tropical Medicine: $7.2M across 4 grants, latest 2023 Kohler Trust for Preservation → Aldo Leopold Foundation: $290K across 3 grants, latest 2024 Madison Community Foundation → Aldo Leopold Nature Center: $193K across 6 grants, latest 2024 Single Step Foundation → Aldo Leopold Foundation: $190K across 4 grants, latest 2025 Salzwedel Family Fund Ltd → Aldo Leopold Foundation: $183K across 4 grants, latest 2025 Leopold School District Foundation → Leopold R-III School District: $120K across 4 grants, latest 2025 Cedar Tree Foundation → Aldo Leopold Foundation: $100K across 5 grants, latest 2024 Edwin E and Janet L Bryant Foundation → Aldo Leopold Nature Center: $80K across 4 grants, latest 2025 The Heinz Endowments → Sand County Foundation Inc: $80K across 5 grants, latest 2024 Community Foundation of Central → Aldo Leopold Audubon Society: $41K across 4 grants, latest 2024 John C Bock Foundation → Aldo Leopold Foundation Inc: $25K across 3 grants, latest 2024 The Sand County Foundation Inc → Beretta Dairy: $10K across 1 grant, latest 2022 Madison Community Foundation → Aldo Leopold Foundation: $37K across 2 grants, latest 2024 John C Bock Foundation → Aldo Leopold Nature Center Inc: $21K across 3 grants, latest 2024 The Sand County Foundation Inc → Barney Creek Livestock LLC: $10K across 1 grant, latest 2022 Madison Community Foundation → Aldo Leopold Foundation Inc: $16K across 1 grant, latest 2022 The Sand County Foundation Inc → Britt Farms Inc: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → Myrin Ranch Inc: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → Pankey Ranch LLC: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → Smith Family Farms LLC: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → Tomandl Farms: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → Wheel-View Farm: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → Long Green Farms Inc: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → John Bunker Sands Wetland Center: $10K across 1 grant, latest 2022 The Sand County Foundation Inc → Greenfield Farms: $10K across 1 grant, latest 2022 Bill & Melinda Gates Foundation: $7.2M on this topic. Open the funder. Bill & Melinda Gates Foundati… $7.2M Kohler Trust for Preservation: $290K on this topic. Open the funder. Kohler Trust for Preservation $290K Madison Community Foundation: $246K on this topic. Open the funder. Madison Community Foundation $246K Single Step Foundation: $190K on this topic. Open the funder. Single Step Foundation $190K Salzwedel Family Fund Ltd: $183K on this topic. Open the funder. Salzwedel Family Fund Ltd $183K Leopold School District Foundation: $120K on this topic. Open the funder. Leopold School District Found… $120K The Sand County Foundation Inc: $110K on this topic. Open the funder. The Sand County Foundation Inc $110K Cedar Tree Foundation: $100K on this topic. Open the funder. Cedar Tree Foundation $100K Edwin E and Janet L Bryant Foundation: $80K on this topic. Open the funder. Edwin E and Janet L Bryant Fo… $80K The Heinz Endowments: $80K on this topic. Open the funder. The Heinz Endowments $80K John C Bock Foundation: $46K on this topic. Open the funder. John C Bock Foundation $46K Community Foundation of Central: $41K on this topic. Open the funder. Community Foundation of Centr… $41K Prince Leopold Institute of Tropical Medicine: received $7.2M on this topic Prince Leopold Institute of Tro… $7.2M Aldo Leopold Foundation: received $617K on this topic Aldo Leopold Foundation $617K Aldo Leopold Nature Center: received $273K on this topic Aldo Leopold Nature Center $273K Aldo Leopold Foundation: received $183K on this topic Aldo Leopold Foundation $183K Leopold R-III School District: received $120K on this topic Leopold R-III School District $120K Sand County Foundation Inc: received $80K on this topic Sand County Foundation Inc $80K Aldo Leopold Foundation Inc: received $41K on this topic Aldo Leopold Foundation Inc $41K Aldo Leopold Audubon Society: received $41K on this topic Aldo Leopold Audubon Society $41K Aldo Leopold Nature Center Inc: received $21K on this topic Aldo Leopold Nature Center Inc $21K Beretta Dairy: received $10K on this topic Beretta Dairy $10K Barney Creek Livestock LLC: received $10K on this topic Barney Creek Livestock LLC $10K Britt Farms Inc: received $10K on this topic Britt Farms Inc $10K Myrin Ranch Inc: received $10K on this topic Myrin Ranch Inc $10K Pankey Ranch LLC: received $10K on this topic Pankey Ranch LLC $10K Smith Family Farms LLC: received $10K on this topic Smith Family Farms LLC $10K Tomandl Farms: received $10K on this topic Tomandl Farms $10K Wheel-View Farm: received $10K on this topic Wheel-View Farm $10K Long Green Farms Inc: received $10K on this topic Long Green Farms Inc $10K John Bunker Sands Wetland Center: received $10K on this topic John Bunker Sands Wetland Center $10K Greenfield Farms: received $10K on this topic Greenfield Farms $10K 12 funders, 20 recipients, grants matching “leopold” 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. Largest: $19,224 to ALDO LEOPOLD FOUNDATION — to support the future leaders center and expand the fellowship program
Full grant history → IRS filings ↗
Largest: $10,000 to GREENFIELD FARMS — leopold conservation award
Full grant history → IRS filings ↗
Largest: $20,000 to ALDO LEOPOLD FOUNDATION — project support of the future leaders fellowship
Full grant history → IRS filings ↗
Largest: $4.1M to PRINCE LEOPOLD INSTITUTE OF TROPICAL MEDICINE — neglected tropical diseases
Full grant history → IRS filings ↗
Largest: $10,000 to ALDO LEOPOLD FOUNDATION INC — environmental education
Full grant history → IRS filings ↗
Largest: $20,000 to SAND COUNTY FOUNDATION INC — to support and grow the leopold conservation award program in pennsylvania
Full grant history → IRS filings ↗
Largest: $115,000 to ALDO LEOPOLD FOUNDATION — leopold pines, prairie, and series of virtual and in-person talks, podcasts, programs, and social media.
Full grant history → IRS filings ↗
Largest: $50,000 to ALDO LEOPOLD FOUNDATION — general - no restrictionsgeneral - no restrictions
Full grant history → IRS filings ↗
Largest: $66,000 to Aldo Leopold Foundation — general operations
Full grant history → IRS filings ↗
Largest: $49,137 to LEOPOLD R-III SCHOOL DISTRICT — technology/supplies
Full grant history → IRS filings ↗
Largest: $20,000 to ALDO LEOPOLD NATURE CENTER — program support
Full grant history → IRS filings ↗
Largest: $10,090 to ALDO LEOPOLD AUDUBON SOCIETY — for the annual allocation to the aldo leopold society
Full grant history → IRS filings ↗
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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 →
