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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 “portal”

Where the money went

1.0×
Laura and John Arnold Foundation → The Brigham and Women's Hospital Inc: $2.5M across 2 grants, latest 2024The Andrew W Mellon Foundation → University of Virginia: $1.8M across 1 grant, latest 2023Wellspring Philanthropic Fund Inc → Universidad Diego Portales: $600K across 2 grants, latest 2022Sage Bionetworks → Seven Bridges Genomics Inc (Velsera): $412K across 1 grant, latest 2024The Ford Foundation → Stichting the Land Portal: $400K across 3 grants, latest 2024The Ahmanson Foundation → Thrive Scholars: $375K across 2 grants, latest 2023Pallottine Foundation of Huntington → Inspiring Dreams Network: $77K across 5 grants, latest 2023Math for America → Portales Eric: $60K across 4 grants, latest 2024United Way of Greater Milwaukee & → Portal Inc: $54K across 6 grants, latest 2024Naturebridge → Mariposa and El Portal Elementary Schools: $32K across 2 grants, latest 2023Minnesota Historical Society → Portal Research: $30K across 3 grants, latest 2024Francie Luke Silverman Foundation Under the F Silverman Charitable Tr → Portal Inc: $27K across 5 grants, latest 2025Laura and John Arnold Foundation → The Brigham and Womens Hospital Inc: $2.5M across 2 grants, latest 2023The Andrew W Mellon Foundation → Harvard University: $1.1M across 1 grant, latest 2024Wellspring Philanthropic Fund Inc → The Board of Trustees of the University of Illinois: $555K across 3 grants, latest 2023Sage Bionetworks → Seven Bridges Genomics Inc: $255K across 2 grants, latest 2023The Ford Foundation → Universidad Diego Portales: $141K across 2 grants, latest 2024The Ahmanson Foundation → Executive Service Corps of So Cal: $73K across 1 grant, latest 2022Pallottine Foundation of Huntington → Keep Your Faith Corporation Inc: $40K across 2 grants, latest 2022Naturebridge → Mariposa and El Portal Elementary Schools (Mcusd): $13K across 1 grant, latest 2024Minnesota Historical Society → Portal Research: $10K across 1 grant, latest 2021Francie Luke Silverman Foundation Under the F Silverman Charitable Tr → Portal Inc: $8K across 1 grant, latest 2022Sage Bionetworks → Memorial Sloan-Kettering Cancer Center: $204K across 1 grant, latest 2023Wellspring Philanthropic Fund Inc → Stellenbosch University: $200K across 1 grant, latest 2022The Andrew W Mellon Foundation → University of Minnesota at Twin Cities: $150K across 1 grant, latest 2022The Ford Foundation → Associacao Desenrola: $75K across 2 grants, latest 2023Wellspring Philanthropic Fund Inc → London School of Hygiene & Tropical Medicine: $200K across 1 grant, latest 2021Sage Bionetworks → Memorial Sloan-Kettering Cancer Center: $136K across 1 grant, latest 2024Sage Bionetworks → Memorial Sloan Kettering Cancer Center: $90K across 1 grant, latest 2022Sage Bionetworks → University of Washington: $37K across 1 grant, latest 2024Sage Bionetworks → The Broad Institute: $7K across 1 grant, latest 2024Laura and John Arnold Foundation: $5.0M on this topic. Open the funder.Laura and John Arnold Foundat…$5.0MThe Andrew W Mellon Foundation: $3.0M on this topic. Open the funder.The Andrew W Mellon Foundation$3.0MWellspring Philanthropic Fund Inc: $1.6M on this topic. Open the funder.Wellspring Philanthropic Fund…$1.6MSage Bionetworks: $1.1M on this topic. Open the funder.Sage Bionetworks$1.1MThe Ford Foundation: $616K on this topic. Open the funder.The Ford Foundation$616KThe Ahmanson Foundation: $448K on this topic. Open the funder.The Ahmanson Foundation$448KPallottine Foundation of Huntington: $117K on this topic. Open the funder.Pallottine Foundation of Hunt…$117KMath for America: $60K on this topic. Open the funder.Math for America$60KUnited Way of Greater Milwaukee &: $54K on this topic. Open the funder.United Way of Greater Milwauk…$54KNaturebridge: $45K on this topic. Open the funder.Naturebridge$45KMinnesota Historical Society: $40K on this topic. Open the funder.Minnesota Historical Society$40KFrancie Luke Silverman Foundation Under the F Silverman Charitable Tr: $35K on this topic. Open the funder.Francie Luke Silverman Founda…$35KThe Brigham and Women's Hospital Inc: received $2.5M on this topicThe Brigham and Women's Hospita…$2.5MThe Brigham and Womens Hospital Inc: received $2.5M on this topicThe Brigham and Womens Hospital…$2.5MUniversity of Virginia: received $1.8M on this topicUniversity of Virginia$1.8MHarvard University: received $1.1M on this topicHarvard University$1.1MUniversidad Diego Portales: received $741K on this topicUniversidad Diego Portales$741KThe Board of Trustees of the University of Illinois: received $555K on this topicThe Board of Trustees of the Un…$555KSeven Bridges Genomics Inc (Velsera): received $412K on this topicSeven Bridges Genomics Inc (Vel…$412KStichting the Land Portal: received $400K on this topicStichting the Land Portal$400KThrive Scholars: received $375K on this topicThrive Scholars$375KSeven Bridges Genomics Inc: received $255K on this topicSeven Bridges Genomics Inc$255KMemorial Sloan-Kettering Cancer Center: received $204K on this topicMemorial Sloan-Kettering Cancer…$204KStellenbosch University: received $200K on this topicStellenbosch University$200KLondon School of Hygiene & Tropical Medicine: received $200K on this topicLondon School of Hygiene & Trop…$200KUniversity of Minnesota at Twin Cities: received $150K on this topicUniversity of Minnesota at Twin…$150KMemorial Sloan-Kettering Cancer Center: received $136K on this topicMemorial Sloan-Kettering Cancer…$136KMemorial Sloan Kettering Cancer Center: received $90K on this topicMemorial Sloan Kettering Cancer…$90KPortal Inc: received $81K on this topicPortal Inc$81KInspiring Dreams Network: received $77K on this topicInspiring Dreams Network$77KAssociacao Desenrola: received $75K on this topicAssociacao Desenrola$75KExecutive Service Corps of So Cal: received $73K on this topicExecutive Service Corps of So C…$73KPortales Eric: received $60K on this topicPortales Eric$60KKeep Your Faith Corporation Inc: received $40K on this topicKeep Your Faith Corporation Inc$40KUniversity of Washington: received $37K on this topicUniversity of Washington$37KMariposa and El Portal Elementary Schools: received $32K on this topicMariposa and El Portal Elementa…$32KPortal Research: received $30K on this topicPortal Research$30KMariposa and El Portal Elementary Schools (Mcusd): received $13K on this topicMariposa and El Portal Elementa…$13KPortal Research: received $10K on this topicPortal Research$10KPortal Inc: received $8K on this topicPortal Inc$8KThe Broad Institute: received $7K on this topicThe Broad Institute$7K
12 funders, 29 recipients, grants matching “portal” 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 →