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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 “serious”

Where the money went

1.0×
Lennar Foundation → City of Hope: $15M across 3 grants, latest 2023Newman's Own Foundation → Serious Fun Childrens Network Inc: $9.5M across 2 grants, latest 2023Kyle Petty Charity Ride Inc → Victory Junction Gang Camp Inc: $2.5M across 4 grants, latest 2025John D and Catherine T Macarthur Foundation (Consolidated) → Policy Research Inc: $1.4M across 2 grants, latest 2023The Duke Endowment → Atrium Health Foundation: $780K across 2 grants, latest 2023Stupski Foundation → Self-Help for the Elderly: $600K across 3 grants, latest 2024Laura and John Arnold Foundation → University of Chicago: $314K across 3 grants, latest 2023Van Ameringen Foundation Inc → International Documentary Association: $300K across 2 grants, latest 2024Kids & Clays Foundation → Rmhc Houston: $154K across 2 grants, latest 2024Walsh Family Foundation → Amy's Angels: $75K across 4 grants, latest 2025The Stanley & Joyce → Project Angel Food: $75K across 7 grants, latest 2024Burton A Zipser and Sandra D Zipser → Ort America: $53K across 4 grants, latest 2025John D and Catherine T Macarthur Foundation (Consolidated) → Pew Charitable Trusts: $1.0M across 4 grants, latest 2023Kyle Petty Charity Ride Inc → Kyle Petty Charity Ride Trust Inc: $950K across 2 grants, latest 2023Stupski Foundation → Visin Y Compromiso: $513K across 2 grants, latest 2023The Duke Endowment → Medical University of South Carolina Foundation: $506K across 1 grant, latest 2024Laura and John Arnold Foundation → Justice System Partners: $311K across 1 grant, latest 2023Van Ameringen Foundation Inc → Mobilization for Justice: $225K across 3 grants, latest 2024Kids & Clays Foundation → Rmhc Philadelphia: $92K across 2 grants, latest 2024Walsh Family Foundation → Crohns & Colitis Foundation: $50K across 2 grants, latest 2023Burton A Zipser and Sandra D Zipser → Msu Marching Band: $50K across 4 grants, latest 2025The Stanley & Joyce → God's Love We Deliver: $25K across 1 grant, latest 2022Lennar Foundation → Baptist Health South Florida Foundation Inc: $20K across 2 grants, latest 2023Newman's Own Foundation → Roundup River Ranch: $15K across 2 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Council of State Governments: $915K across 4 grants, latest 2023Stupski Foundation → Stanford University: $443K across 1 grant, latest 2022The Duke Endowment → Conway Medical Center: $375K across 2 grants, latest 2023Laura and John Arnold Foundation → The Regents of the University of California San Francisco: $300K across 1 grant, latest 2023Van Ameringen Foundation Inc → Disability Advocates Inc (Dba Disability Rights New York): $200K across 1 grant, latest 2024Kids & Clays Foundation → Rmhc South Louisiana: $62K across 2 grants, latest 2024Burton A Zipser and Sandra D Zipser → Detroit Institute of Arts (the): $46K across 4 grants, latest 2025Walsh Family Foundation → Martha's Vineyard Hospital: $40K across 1 grant, latest 2024The Stanley & Joyce → Beverly Hills Police Foundation: $13K across 3 grants, latest 2022Newman's Own Foundation → Hole in the Wall Gang Fund Inc: $10K across 1 grant, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Judge David L Bazelon Center for Mental Health Law: $700K across 4 grants, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → Policy Research Inc: $675K across 1 grant, latest 2024Stupski Foundation → Vision Y Compromiso: $303K across 1 grant, latest 2024Stupski Foundation → Roots Community Health Center: $250K across 2 grants, latest 2023Stupski Foundation → Glide Foundation: $250K across 2 grants, latest 2023Laura and John Arnold Foundation → National Opinion Research Center: $250K across 1 grant, latest 2024The Duke Endowment → The University of North Carolina at Chapel Hill: $220K across 1 grant, latest 2024Van Ameringen Foundation Inc → Medical Justice Alliance Inc: $200K across 2 grants, latest 2024Stupski Foundation → Chinese Hospital Association: $200K across 1 grant, latest 2023John D and Catherine T Macarthur Foundation (Consolidated) → The Council of State Governments Ltd: $175K across 1 grant, latest 2024Laura and John Arnold Foundation → Urban Institute: $168K across 2 grants, latest 2022Van Ameringen Foundation Inc → The Door-A Center of Alternatives Inc: $150K across 2 grants, latest 2024Van Ameringen Foundation Inc → Broad Street Love (Aka Broad Street Ministry): $150K across 2 grants, latest 2024John D and Catherine T Macarthur Foundation (Consolidated) → Judge David L Bazelon Center for Mental Health Law: $150K across 1 grant, latest 2024The Duke Endowment → Carolina Caring: $150K across 1 grant, latest 2021Van Ameringen Foundation Inc → Heights Hill Mhs Sbpc: $150K across 2 grants, latest 2024Van Ameringen Foundation Inc → Prevention Point Philadelphia: $150K across 2 grants, latest 2024Laura and John Arnold Foundation → New Venture Fund: $135K across 1 grant, latest 2024Stupski Foundation → On Lok Inc: $125K across 1 grant, latest 2022Stupski Foundation → On Lok Day Services: $125K across 1 grant, latest 2023Van Ameringen Foundation Inc → Pennsylvania Institutional Law Project: $100K across 1 grant, latest 2024Van Ameringen Foundation Inc → New York Lawyers for the Public Interest Inc: $100K across 1 grant, latest 2022Van Ameringen Foundation Inc → Medical Justice Alliance: $100K across 1 grant, latest 2022Stupski Foundation → Hugs for Hawaiis Seriously Ill Children and Their: $100K across 1 grant, latest 2024Van Ameringen Foundation Inc → National Alliance On Mental Illness of New York City: $100K across 1 grant, latest 2024Van Ameringen Foundation Inc → New York Lawyers for the Public Interest: $100K across 1 grant, latest 2023Van Ameringen Foundation Inc → Association for Community Living Agencies in Mental Health: $75K across 1 grant, latest 2022Van Ameringen Foundation Inc → Heights Hill Mental Health Service Dba Rainbow Heights Club: $75K across 1 grant, latest 2022Stupski Foundation → Wise Health: $65K across 1 grant, latest 2023Kids & Clays Foundation → Rmhc Capital Region Ny: $57K across 1 grant, latest 2023Lennar Foundation: $15M on this topic. Open the funder.Lennar Foundation$15MNewman's Own Foundation: $9.5M on this topic. Open the funder.Newman's Own Foundation$9.5MJohn D and Catherine T Macarthur Foundation (Consolidated): $5.1M on this topic. Open the funder.John D and Catherine T Macart…$5.1MKyle Petty Charity Ride Inc: $3.4M on this topic. Open the funder.Kyle Petty Charity Ride Inc$3.4MStupski Foundation: $3.0M on this topic. Open the funder.Stupski Foundation$3.0MVan Ameringen Foundation Inc: $2.2M on this topic. Open the funder.Van Ameringen Foundation Inc$2.2MThe Duke Endowment: $2.0M on this topic. Open the funder.The Duke Endowment$2.0MLaura and John Arnold Foundation: $1.5M on this topic. Open the funder.Laura and John Arnold Foundat…$1.5MKids & Clays Foundation: $366K on this topic. Open the funder.Kids & Clays Foundation$366KWalsh Family Foundation: $165K on this topic. Open the funder.Walsh Family Foundation$165KBurton A Zipser and Sandra D Zipser: $149K on this topic. Open the funder.Burton A Zipser and Sandra D…$149KThe Stanley & Joyce: $113K on this topic. Open the funder.The Stanley & Joyce$113KCity of Hope: received $15M on this topicCity of Hope$15MSerious Fun Childrens Network Inc: received $9.5M on this topicSerious Fun Childrens Network I…$9.5MVictory Junction Gang Camp Inc: received $2.5M on this topicVictory Junction Gang Camp Inc$2.5MPolicy Research Inc: received $1.4M on this topicPolicy Research Inc$1.4MPew Charitable Trusts: received $1.0M on this topicPew Charitable Trusts$1.0MKyle Petty Charity Ride Trust Inc: received $950K on this topicKyle Petty Charity Ride Trust I…$950KCouncil of State Governments: received $915K on this topicCouncil of State Governments$915KAtrium Health Foundation: received $780K on this topicAtrium Health Foundation$780KJudge David L Bazelon Center for Mental Health Law: received $700K on this topicJudge David L Bazelon Center fo…$700KPolicy Research Inc: received $675K on this topicPolicy Research Inc$675KSelf-Help for the Elderly: received $600K on this topicSelf-Help for the Elderly$600KVisin Y Compromiso: received $513K on this topicVisin Y Compromiso$513KMedical University of South Carolina Foundation: received $506K on this topicMedical University of South Car…$506KStanford University: received $443K on this topicStanford University$443KConway Medical Center: received $375K on this topicConway Medical Center$375KUniversity of Chicago: received $314K on this topicUniversity of Chicago$314KJustice System Partners: received $311K on this topicJustice System Partners$311KVision Y Compromiso: received $303K on this topicVision Y Compromiso$303KInternational Documentary Association: received $300K on this topicInternational Documentary Assoc…$300KThe Regents of the University of California San Francisco: received $300K on this topicThe Regents of the University o…$300KRoots Community Health Center: received $250K on this topicRoots Community Health Center$250KGlide Foundation: received $250K on this topicGlide Foundation$250KNational Opinion Research Center: received $250K on this topicNational Opinion Research Center$250KMobilization for Justice: received $225K on this topicMobilization for Justice$225KThe University of North Carolina at Chapel Hill: received $220K on this topicThe University of North Carolin…$220KDisability Advocates Inc (Dba Disability Rights New York): received $200K on this topicDisability Advocates Inc (Dba D…$200KMedical Justice Alliance Inc: received $200K on this topicMedical Justice Alliance Inc$200KChinese Hospital Association: received $200K on this topicChinese Hospital Association$200KThe Council of State Governments Ltd: received $175K on this topicThe Council of State Government…$175KUrban Institute: received $168K on this topicUrban Institute$168KRmhc Houston: received $154K on this topicRmhc Houston$154KThe Door-A Center of Alternatives Inc: received $150K on this topicThe Door-A Center of Alternativ…$150KBroad Street Love (Aka Broad Street Ministry): received $150K on this topicBroad Street Love (Aka Broad St…$150KJudge David L Bazelon Center for Mental Health Law: received $150K on this topicJudge David L Bazelon Center fo…$150KCarolina Caring: received $150K on this topicCarolina Caring$150KHeights Hill Mhs Sbpc: received $150K on this topicHeights Hill Mhs Sbpc$150KPrevention Point Philadelphia: received $150K on this topicPrevention Point Philadelphia$150KNew Venture Fund: received $135K on this topicNew Venture Fund$135KOn Lok Inc: received $125K on this topicOn Lok Inc$125KOn Lok Day Services: received $125K on this topicOn Lok Day Services$125KPennsylvania Institutional Law Project: received $100K on this topicPennsylvania Institutional Law…$100KNew York Lawyers for the Public Interest Inc: received $100K on this topicNew York Lawyers for the Public…$100KMedical Justice Alliance: received $100K on this topicMedical Justice Alliance$100KHugs for Hawaiis Seriously Ill Children and Their: received $100K on this topicHugs for Hawaiis Seriously Ill…$100KNational Alliance On Mental Illness of New York City: received $100K on this topicNational Alliance On Mental Ill…$100KNew York Lawyers for the Public Interest: received $100K on this topicNew York Lawyers for the Public…$100KRmhc Philadelphia: received $92K on this topicRmhc Philadelphia$92KAmy's Angels: received $75K on this topicAmy's Angels$75KAssociation for Community Living Agencies in Mental Health: received $75K on this topicAssociation for Community Livin…$75KHeights Hill Mental Health Service Dba Rainbow Heights Club: received $75K on this topicHeights Hill Mental Health Serv…$75KProject Angel Food: received $75K on this topicProject Angel Food$75KWise Health: received $65K on this topicWise Health$65KRmhc South Louisiana: received $62K on this topicRmhc South Louisiana$62KRmhc Capital Region Ny: received $57K on this topicRmhc Capital Region Ny$57KOrt America: received $53K on this topicOrt America$53KCrohns & Colitis Foundation: received $50K on this topicCrohns & Colitis Foundation$50KMsu Marching Band: received $50K on this topicMsu Marching Band$50KDetroit Institute of Arts (the): received $46K on this topicDetroit Institute of Arts (the)$46KMartha's Vineyard Hospital: received $40K on this topicMartha's Vineyard Hospital$40KGod's Love We Deliver: received $25K on this topicGod's Love We Deliver$25KBaptist Health South Florida Foundation Inc: received $20K on this topicBaptist Health South Florida Fo…$20KRoundup River Ranch: received $15K on this topicRoundup River Ranch$15KBeverly Hills Police Foundation: received $13K on this topicBeverly Hills Police Foundation$13KHole in the Wall Gang Fund Inc: received $10K on this topicHole in the Wall Gang Fund Inc$10K
12 funders, 64 recipients, grants matching “serious” 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 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 →