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.

4 funders with a record of paying for “streamsweepers”

Where the money went

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American Electric Power Foundation → American Climate Partners: $100K across 2 grants, latest 2023The Genan Foundation → The Center for Natural Capital: $90K across 2 grants, latest 2023Dominion Energy Charitable Foundation → American Climate Partners: $75K across 2 grants, latest 2023Paulson Charitable Foundation Inc → Center for Natural Capital: $5K across 2 grants, latest 2023American Electric Power Foundation → Town of Damascus: $25K across 1 grant, latest 2025American Electric Power Foundation: $125K on this topic. Open the funder.American Electric Power Found…$125KThe Genan Foundation: $90K on this topic. Open the funder.The Genan Foundation$90KDominion Energy Charitable Foundation: $75K on this topic. Open the funder.Dominion Energy Charitable Fo…$75KPaulson Charitable Foundation Inc: $5K on this topic. Open the funder.Paulson Charitable Foundation…$5KAmerican Climate Partners: received $175K on this topicAmerican Climate Partners$175KThe Center for Natural Capital: received $90K on this topicThe Center for Natural Capital$90KTown of Damascus: received $25K on this topicTown of Damascus$25KCenter for Natural Capital: received $5K on this topicCenter for Natural Capital$5K
4 funders, 4 recipients, grants matching “streamsweepers” only. Ribbon width is proportional to the total given; each funder has its own colour. 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 →