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.
12 funders with a record of paying for “nuclear”
Where the money went
Largest: $400,000 to Natural Resources Defense Council Inc — as a one-time only grant for a study on u.s. nuclear targeting in a multipolar nuclear environment
John D and Catherine T MacArthur Foundation (Consolidated)Chicago, IL
85 matching grants · $32.1M · through 2024Largest: $525,000 to AsiaPacific Leadership Network for Nuclear NonProliferation — in support of strengthening apln's capacity to reduce and eliminate nuclear threats.
Ploughshares FundSan Francisco, CACharity · may take applications
55 matching grants · $4.7M · through 2024Largest: $157,500 to WIN WITHOUT WAR EDUCATION FUND — 1. to mobilize a broad base of public support for progressive foreign policies, including nuclear nonproliferation, denuclearization, and diplomacy with nuclear-armed states.2. to …
Largest: $3.0M to NUCLEAR THREAT INITIATIVE INC — to support nti's effort to improve global nuclear security through research on nuclear materials security and the engagement and development of leadership networks of nuclear exper…
Largest: $302,050 to COLORADO SCHOOL OF MINES — to search for new physics in the fundamental symmetries of nature through the precision detection of ultra-low-energy nuclear recoils generated from nuclear beta decay using superc…
Rsf Social FinanceSan Francisco, CACharity · may take applications
20 matching grants · $2.0M · through 2024Largest: $55,000 to ALLIANCE FOR NUCLEAR ACCOUNTABILITY — for the nuclear ban treaty campaign
Largest: $35,000 to FEDERATION OF AMERICAN SCIENTISTS — nuclear information project
Largest: $500,000 to STONY BROOK FOUNDATION INC — stony brook university center for foundations of nuclear science
Largest: $602,000 to AMERICAN ACADEMY OF ARTS AND SCIENCE — to create dialogue between nuclear players
Largest: $1.0M to NUCLEAR THREAT INITIATIVE — nonpartisan global security organization focused on reducing nuclear and biological threats imperiling humanity
Effective Ventures Foundation USASan Francisco, CACharity · may take applications
7 matching grants · $1.8M · through 2024Largest: $1.6M to COUNCIL ON STRATEGIC RISKS — growing the council on strategic risks' nuclear security policy development and engagement with decision-makers
Largest: $99,407 to UNIVERSITY OF MASSACHUSETTS AMHERST — for the cold molecule nuclear time-reversal experiment (centrex) search for nuclear symmetry violation
This is one keyword. PaperOrbit reads your actual paper and searches on everything in it — population, methods, outcomes — then explains why each funder fits.
Start with one paperSearch by location
Local foundations often favor nearby communities. Enter a ZIP code to see foundations based near you, and where grant money has actually landed in your area.
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 →