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.

2 funders with a record of paying for “swampland”

Where the money went

1.0×
The Della Pietra Foundation → President and Fellows of Harvard College: $2.0M across 4 grants, latest 2025The Simons Foundation Inc → Harvard College: $377K across 2 grants, latest 2023The Simons Foundation Inc → Harvard University: $375K across 2 grants, latest 2024The Della Pietra Foundation: $2.0M on this topic. Open the funder.The Della Pietra Foundation$2.0MThe Simons Foundation Inc: $752K on this topic. Open the funder.The Simons Foundation Inc$752KPresident and Fellows of Harvard College: received $2.0M on this topicPresident and Fellows of Harvar…$2.0MHarvard College: received $377K on this topicHarvard College$377KHarvard University: received $375K on this topicHarvard University$375K
2 funders, 3 recipients, grants matching “swampland” 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 →