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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 “effectiveness”

Where the money went

1.0×
Good Ventures Foundation → Effective Ventures Foundation: $48M across 37 grants, latest 2024Laura and John Arnold Foundation → Center for Effective Public Policy: $17M across 5 grants, latest 2024The Ford Foundation → Climate and Land Use Alliance LLC: $11M across 3 grants, latest 2024Gordon E and Betty I Moore Foundation → Internationaler Naturerbe Fonds - Legacy Landscapes Fund: $10M across 1 grant, latest 2022National Institute for Excellence in → Perry Township Schools: $6.8M across 2 grants, latest 2022The Robert Wood Johnson Foundation → Third Sector New England: $3.5M across 3 grants, latest 2023The David and Lucile Packard Foundation → Liberty Hill Foundation: $2.8M across 1 grant, latest 2022Conrad N Hilton Foundation → The National Alliance to End Homelessness Inc: $2.5M across 2 grants, latest 2023Meb Alliance for Educator Diversity → Mursion Inc: $1.5M across 1 grant, latest 2024Barr Foundation → (743) Massachusetts Budget and Policy Center Inc: $750K across 1 grant, latest 2023Ohio Education Association → Mentor Tea: $86K across 2 grants, latest 2022Van Der Linden Family Foundation → Ochsner Clinic Foundation: $12K across 4 grants, latest 2025Good Ventures Foundation → Effective Ventures Foundation USA Inc: $23M across 20 grants, latest 2024Laura and John Arnold Foundation → Evidence for Healthcare Improvement: $6.4M across 1 grant, latest 2020Gordon E and Betty I Moore Foundation → Wildlife Conservation Society: $4.0M across 2 grants, latest 2023The Robert Wood Johnson Foundation → Ms Fdn for Women: $3.5M across 2 grants, latest 2023National Institute for Excellence in → Goshen Community Schools: $3.3M across 2 grants, latest 2022The David and Lucile Packard Foundation → Rockefeller Philanthropy Advisors Inc: $2.1M across 2 grants, latest 2022The Ford Foundation → Oxfam America Inc: $2.0M across 2 grants, latest 2024Conrad N Hilton Foundation → Investing in Children and Their Societies - Skillful Parenting (Ics-Sp): $1.7M across 2 grants, latest 2024Barr Foundation → (740) Institute for Nonprofit Practice Inc: $550K across 1 grant, latest 2023Meb Alliance for Educator Diversity → California Lutheran University: $350K across 3 grants, latest 2024Ohio Education Association → Fredericktown Ea: $82K across 3 grants, latest 2023Van Der Linden Family Foundation → Louisiana Philharmonic Orchestra: $12K across 4 grants, latest 2025Good Ventures Foundation → Centre for Effective Altruism USA Inc: $14M across 5 grants, latest 2022Gordon E and Betty I Moore Foundation → Instituto De Pesquisas Ecologicas: $3.7M across 1 grant, latest 2022National Institute for Excellence in → Somerset Independent School District: $3.0M across 4 grants, latest 2024Laura and John Arnold Foundation → Rand Corporation: $2.8M across 4 grants, latest 2024The Robert Wood Johnson Foundation → National Foundation for the Centers for Disease Control and Prevention Inc: $2.6M across 2 grants, latest 2024The Ford Foundation → Leadership Effectiveness Accountability and Professionalism Africa: $1.8M across 4 grants, latest 2024The David and Lucile Packard Foundation → Rockefeller Philanthropy Advisors Inc: $1.7M across 5 grants, latest 2024Conrad N Hilton Foundation → Girl Effect: $1.6M across 3 grants, latest 2024Barr Foundation → (649) Institute for Nonprofit Practice Inc: $500K across 1 grant, latest 2022Meb Alliance for Educator Diversity → University of San Diego: $300K across 3 grants, latest 2024Ohio Education Association → Liberty Ase: $81K across 3 grants, latest 2023Van Der Linden Family Foundation → University of Texas Md Anderson Cancer Center: $12K across 4 grants, latest 2025Good Ventures Foundation → Eleanor Crook Foundation: $13M across 3 grants, latest 2024Good Ventures Foundation → Centre for Effective Altruism Inc: $11M across 1 grant, latest 2024Good Ventures Foundation → Centre for Effective Altruism: $6.8M across 5 grants, latest 2022Good Ventures Foundation → Cambridge Effective Altruism Cic: $3.8M across 5 grants, latest 2023Gordon E and Betty I Moore Foundation → Science Communication Lab Inc: $3.6M across 2 grants, latest 2024Gordon E and Betty I Moore Foundation → Fundacion Gaia Amazonas: $2.9M across 3 grants, latest 2024Good Ventures Foundation → London School of Hygiene and Tropical Medicine: $2.9M across 2 grants, latest 2024National Institute for Excellence in → Gladewater Isd: $2.8M across 3 grants, latest 2024Laura and John Arnold Foundation → Georgetown University: $2.8M across 6 grants, latest 2024Gordon E and Betty I Moore Foundation → Forever Costa Rica Association: $2.8M across 1 grant, latest 2023Good Ventures Foundation → Rational Animations Srl: $2.7M across 3 grants, latest 2023Good Ventures Foundation → Washington University: $2.6M across 1 grant, latest 2021Good Ventures Foundation → Should We Studio LLC: $2.3M across 2 grants, latest 2022Gordon E and Betty I Moore Foundation → Windward Fund: $2.3M across 1 grant, latest 2020The Robert Wood Johnson Foundation → Ms Foundation for Women Inc: $2.2M across 2 grants, latest 2024Laura and John Arnold Foundation → Urban Institute: $2.1M across 10 grants, latest 2024Gordon E and Betty I Moore Foundation → Wake Forest University: $2.1M across 2 grants, latest 2024National Institute for Excellence in → Crockett Isd: $2.1M across 3 grants, latest 2024Good Ventures Foundation → Arcadia Impact Cic: $2.0M across 2 grants, latest 2024Gordon E and Betty I Moore Foundation → Instituto Conexao Povos Da Floresta: $2.0M across 2 grants, latest 2024The Robert Wood Johnson Foundation → National Foundation for the Centers for: $2.0M across 1 grant, latest 2023Laura and John Arnold Foundation → The University of North Carolina at Chapel Hill: $1.9M across 5 grants, latest 2024The Robert Wood Johnson Foundation → National Hlt Law Prog: $1.9M across 2 grants, latest 2023The Ford Foundation → Kamara Strategies Limited: $1.8M across 2 grants, latest 2024The Robert Wood Johnson Foundation → University of Miami: $1.7M across 1 grant, latest 2024The Robert Wood Johnson Foundation → Taskforce: $1.7M across 2 grants, latest 2024Gordon E and Betty I Moore Foundation → Fundacion Para El Desarrollo Del Sistema Nacional De Areas Protegidas: $1.6M across 1 grant, latest 2023The Robert Wood Johnson Foundation → Center for Effective Philanthropy: $1.6M across 5 grants, latest 2024Good Ventures Foundation: $132M on this topic. Open the funder.Good Ventures Foundation$132MGordon E and Betty I Moore Foundation: $35M on this topic. Open the funder.Gordon E and Betty I Moore Fo…$35MLaura and John Arnold Foundation: $33M on this topic. Open the funder.Laura and John Arnold Foundat…$33MThe Robert Wood Johnson Foundation: $21M on this topic. Open the funder.The Robert Wood Johnson Found…$21MNational Institute for Excellence in: $18M on this topic. Open the funder.National Institute for Excell…$18MThe Ford Foundation: $17M on this topic. Open the funder.The Ford Foundation$17MThe David and Lucile Packard Foundation: $6.6M on this topic. Open the funder.The David and Lucile Packard…$6.6MConrad N Hilton Foundation: $5.8M on this topic. Open the funder.Conrad N Hilton Foundation$5.8MMeb Alliance for Educator Diversity: $2.1M on this topic. Open the funder.Meb Alliance for Educator Div…$2.1MBarr Foundation: $1.8M on this topic. Open the funder.Barr Foundation$1.8MOhio Education Association: $250K on this topic. Open the funder.Ohio Education Association$250KVan Der Linden Family Foundation: $36K on this topic. Open the funder.Van Der Linden Family Foundat…$36KEffective Ventures Foundation: received $48M on this topicEffective Ventures Foundation$48MEffective Ventures Foundation USA Inc: received $23M on this topicEffective Ventures Foundation U…$23MCenter for Effective Public Policy: received $17M on this topicCenter for Effective Public Pol…$17MCentre for Effective Altruism USA Inc: received $14M on this topicCentre for Effective Altruism U…$14MEleanor Crook Foundation: received $13M on this topicEleanor Crook Foundation$13MClimate and Land Use Alliance LLC: received $11M on this topicClimate and Land Use Alliance L…$11MCentre for Effective Altruism Inc: received $11M on this topicCentre for Effective Altruism I…$11MInternationaler Naturerbe Fonds - Legacy Landscapes Fund: received $10M on this topicInternationaler Naturerbe Fonds…$10MPerry Township Schools: received $6.8M on this topicPerry Township Schools$6.8MCentre for Effective Altruism: received $6.8M on this topicCentre for Effective Altruism$6.8MEvidence for Healthcare Improvement: received $6.4M on this topicEvidence for Healthcare Improve…$6.4MWildlife Conservation Society: received $4.0M on this topicWildlife Conservation Society$4.0MCambridge Effective Altruism Cic: received $3.8M on this topicCambridge Effective Altruism Cic$3.8MInstituto De Pesquisas Ecologicas: received $3.7M on this topicInstituto De Pesquisas Ecologic…$3.7MScience Communication Lab Inc: received $3.6M on this topicScience Communication Lab Inc$3.6MThird Sector New England: received $3.5M on this topicThird Sector New England$3.5MMs Fdn for Women: received $3.5M on this topicMs Fdn for Women$3.5MGoshen Community Schools: received $3.3M on this topicGoshen Community Schools$3.3MSomerset Independent School District: received $3.0M on this topicSomerset Independent School Dis…$3.0MFundacion Gaia Amazonas: received $2.9M on this topicFundacion Gaia Amazonas$2.9MLondon School of Hygiene and Tropical Medicine: received $2.9M on this topicLondon School of Hygiene and Tr…$2.9MLiberty Hill Foundation: received $2.8M on this topicLiberty Hill Foundation$2.8MRand Corporation: received $2.8M on this topicRand Corporation$2.8MGladewater Isd: received $2.8M on this topicGladewater Isd$2.8MGeorgetown University: received $2.8M on this topicGeorgetown University$2.8MForever Costa Rica Association: received $2.8M on this topicForever Costa Rica Association$2.8MRational Animations Srl: received $2.7M on this topicRational Animations Srl$2.7MNational Foundation for the Centers for Disease Control and Prevention Inc: received $2.6M on this topicNational Foundation for the Cen…$2.6MWashington University: received $2.6M on this topicWashington University$2.6MThe National Alliance to End Homelessness Inc: received $2.5M on this topicThe National Alliance to End Ho…$2.5MShould We Studio LLC: received $2.3M on this topicShould We Studio LLC$2.3MWindward Fund: received $2.3M on this topicWindward Fund$2.3MMs Foundation for Women Inc: received $2.2M on this topicMs Foundation for Women Inc$2.2MUrban Institute: received $2.1M on this topicUrban Institute$2.1MWake Forest University: received $2.1M on this topicWake Forest University$2.1MCrockett Isd: received $2.1M on this topicCrockett Isd$2.1MRockefeller Philanthropy Advisors Inc: received $2.1M on this topicRockefeller Philanthropy Adviso…$2.1MArcadia Impact Cic: received $2.0M on this topicArcadia Impact Cic$2.0MOxfam America Inc: received $2.0M on this topicOxfam America Inc$2.0MInstituto Conexao Povos Da Floresta: received $2.0M on this topicInstituto Conexao Povos Da Flor…$2.0MNational Foundation for the Centers for: received $2.0M on this topicNational Foundation for the Cen…$2.0MThe University of North Carolina at Chapel Hill: received $1.9M on this topicThe University of North Carolin…$1.9MNational Hlt Law Prog: received $1.9M on this topicNational Hlt Law Prog$1.9MLeadership Effectiveness Accountability and Professionalism Africa: received $1.8M on this topicLeadership Effectiveness Accoun…$1.8MKamara Strategies Limited: received $1.8M on this topicKamara Strategies Limited$1.8MRockefeller Philanthropy Advisors Inc: received $1.7M on this topicRockefeller Philanthropy Adviso…$1.7MInvesting in Children and Their Societies - Skillful Parenting (Ics-Sp): received $1.7M on this topicInvesting in Children and Their…$1.7MUniversity of Miami: received $1.7M on this topicUniversity of Miami$1.7MTaskforce: received $1.7M on this topicTaskforce$1.7MGirl Effect: received $1.6M on this topicGirl Effect$1.6MFundacion Para El Desarrollo Del Sistema Nacional De Areas Protegidas: received $1.6M on this topicFundacion Para El Desarrollo De…$1.6MCenter for Effective Philanthropy: received $1.6M on this topicCenter for Effective Philanthro…$1.6MMursion Inc: received $1.5M on this topicMursion Inc$1.5M(743) Massachusetts Budget and Policy Center Inc: received $750K on this topic(743) Massachusetts Budget and…$750K(740) Institute for Nonprofit Practice Inc: received $550K on this topic(740) Institute for Nonprofit P…$550K(649) Institute for Nonprofit Practice Inc: received $500K on this topic(649) Institute for Nonprofit P…$500KCalifornia Lutheran University: received $350K on this topicCalifornia Lutheran University$350KUniversity of San Diego: received $300K on this topicUniversity of San Diego$300KMentor Tea: received $86K on this topicMentor Tea$86KFredericktown Ea: received $82K on this topicFredericktown Ea$82KLiberty Ase: received $81K on this topicLiberty Ase$81KOchsner Clinic Foundation: received $12K on this topicOchsner Clinic Foundation$12KLouisiana Philharmonic Orchestra: received $12K on this topicLouisiana Philharmonic Orchestra$12KUniversity of Texas Md Anderson Cancer Center: received $12K on this topicUniversity of Texas Md Anderson…$12K
12 funders, 64 recipients, grants matching “effectiveness” 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 →