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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 “fridays”

Where the money went

1.0×
The Heising-Simons Foundation → Science Friday Initiative Inc: $980K across 4 grants, latest 2024Alfred P Sloan Foundation → Science Friday Initiative Inc: $751K across 3 grants, latest 2024San Juan Island Community Foundation → Animal Protection Society of Friday Harbor: $483K across 3 grants, latest 2024Franklin P and Arthur W Perdue Foundation → Portland Museum of Art: $400K across 4 grants, latest 2025The Sherwood Foundation → Benson First Friday Inc: $190K across 4 grants, latest 2024The Common Sense Fund Inc → Science Friday Initiative Inc: $165K across 3 grants, latest 2024Johansen Internatl Competition → Friday Morning Music Club Foundation: $135K across 3 grants, latest 2024Jefferson Foundation → Brenden's Friday Backpack Program Inc: $125K across 3 grants, latest 2024Research Corporation Dba Research → Science Friday: $75K across 2 grants, latest 2024Community Foundation of the → Friday Harbor Food Bank: $64K across 3 grants, latest 2024Simmons First Foundation Inc → Our Kids: $10K across 1 grant, latest 2022The Duffield Family Foundation → Lancaster Spca: $5K across 1 grant, latest 2021Community Foundation of the → Kiwanus Club of Friday Harbor: $54K across 3 grants, latest 2024San Juan Island Community Foundation → Friday Harbor Food Bank: $52K across 3 grants, latest 2024Research Corporation Dba Research → Science Friday: $50K across 1 grant, latest 2022Johansen Internatl Competition → The Friday Morning Music Club: $45K across 1 grant, latest 2025Franklin P and Arthur W Perdue Foundation → Boys & Girls Clubs of Metropolitan Baltimore: $10K across 1 grant, latest 2025Simmons First Foundation Inc → First Tee Tennessee: $10K across 1 grant, latest 2022The Duffield Family Foundation → Animal Rescue League of Berks County: $4K across 2 grants, latest 2021Community Foundation of the → Animal Protection Society-Friday: $27K across 2 grants, latest 2023San Juan Island Community Foundation → Soroptimist International of Friday Harbor: $24K across 2 grants, latest 2024Simmons First Foundation Inc → Jordan Thomas Foundation: $10K across 1 grant, latest 2022The Duffield Family Foundation → Paws and Claws Chicago Rescue: $3K across 1 grant, latest 2021San Juan Island Community Foundation → Friday Harbor Athletic Association: $17K across 1 grant, latest 2022San Juan Island Community Foundation → Uw Foundation - Friday Harbor Labs: $11K across 2 grants, latest 2024Simmons First Foundation Inc → Kulture City: $10K across 1 grant, latest 2022Simmons First Foundation Inc → Safe Haven Family Shelter: $10K across 1 grant, latest 2022Simmons First Foundation Inc → Soles 4 Souls: $10K across 1 grant, latest 2023Simmons First Foundation Inc → The Store: $10K across 1 grant, latest 2023Simmons First Foundation Inc → Springfield Dream Center: $3K across 1 grant, latest 2024The Duffield Family Foundation → Front Street Animal Shelter: $3K across 1 grant, latest 2021The Duffield Family Foundation → South Suburban Humane Society: $3K across 1 grant, latest 2021The Duffield Family Foundation → Neenah Animal Shelter: $3K across 1 grant, latest 2021The Duffield Family Foundation → Oakland Animal Services: $3K across 1 grant, latest 2021The Duffield Family Foundation → Spay Neuter Network: $1K across 1 grant, latest 2021The Duffield Family Foundation → Barkingmad Inc: $1K across 1 grant, latest 2022The Duffield Family Foundation → Sun Cities 4 Paws Rescue: $1K across 1 grant, latest 2022The Duffield Family Foundation → City of Tracy Animal Services: $1K across 1 grant, latest 2022The Duffield Family Foundation → Heaven On Earth: $1K across 1 grant, latest 2022The Duffield Family Foundation → Let Love Live: $1K across 1 grant, latest 2022The Duffield Family Foundation → Portsmouth Humane Society: $1K across 1 grant, latest 2021The Duffield Family Foundation → Seattle Humane: $1K across 1 grant, latest 2021The Heising-Simons Foundation: $980K on this topic. Open the funder.The Heising-Simons Foundation$980KAlfred P Sloan Foundation: $751K on this topic. Open the funder.Alfred P Sloan Foundation$751KSan Juan Island Community Foundation: $586K on this topic. Open the funder.San Juan Island Community Fou…$586KFranklin P and Arthur W Perdue Foundation: $410K on this topic. Open the funder.Franklin P and Arthur W Perdu…$410KThe Sherwood Foundation: $190K on this topic. Open the funder.The Sherwood Foundation$190KJohansen Internatl Competition: $181K on this topic. Open the funder.Johansen Internatl Competition$181KThe Common Sense Fund Inc: $165K on this topic. Open the funder.The Common Sense Fund Inc$165KCommunity Foundation of the: $145K on this topic. Open the funder.Community Foundation of the$145KJefferson Foundation: $125K on this topic. Open the funder.Jefferson Foundation$125KResearch Corporation Dba Research: $125K on this topic. Open the funder.Research Corporation Dba Rese…$125KSimmons First Foundation Inc: $73K on this topic. Open the funder.Simmons First Foundation Inc$73KThe Duffield Family Foundation: $29K on this topic. Open the funder.The Duffield Family Foundation$29KScience Friday Initiative Inc: received $1.9M on this topicScience Friday Initiative Inc$1.9MAnimal Protection Society of Friday Harbor: received $483K on this topicAnimal Protection Society of Fr…$483KPortland Museum of Art: received $400K on this topicPortland Museum of Art$400KBenson First Friday Inc: received $190K on this topicBenson First Friday Inc$190KFriday Morning Music Club Foundation: received $135K on this topicFriday Morning Music Club Found…$135KBrenden's Friday Backpack Program Inc: received $125K on this topicBrenden's Friday Backpack Progr…$125KFriday Harbor Food Bank: received $116K on this topicFriday Harbor Food Bank$116KScience Friday: received $75K on this topicScience Friday$75KKiwanus Club of Friday Harbor: received $54K on this topicKiwanus Club of Friday Harbor$54KScience Friday: received $50K on this topicScience Friday$50KThe Friday Morning Music Club: received $45K on this topicThe Friday Morning Music Club$45KAnimal Protection Society-Friday: received $27K on this topicAnimal Protection Society-Friday$27KSoroptimist International of Friday Harbor: received $24K on this topicSoroptimist International of Fr…$24KFriday Harbor Athletic Association: received $17K on this topicFriday Harbor Athletic Associat…$17KUw Foundation - Friday Harbor Labs: received $11K on this topicUw Foundation - Friday Harbor L…$11KOur Kids: received $10K on this topicOur Kids$10KBoys & Girls Clubs of Metropolitan Baltimore: received $10K on this topicBoys & Girls Clubs of Metropoli…$10KFirst Tee Tennessee: received $10K on this topicFirst Tee Tennessee$10KJordan Thomas Foundation: received $10K on this topicJordan Thomas Foundation$10KKulture City: received $10K on this topicKulture City$10KSafe Haven Family Shelter: received $10K on this topicSafe Haven Family Shelter$10KSoles 4 Souls: received $10K on this topicSoles 4 Souls$10KThe Store: received $10K on this topicThe Store$10KLancaster Spca: received $5K on this topicLancaster Spca$5KAnimal Rescue League of Berks County: received $4K on this topicAnimal Rescue League of Berks C…$4KSpringfield Dream Center: received $3K on this topicSpringfield Dream Center$3KPaws and Claws Chicago Rescue: received $3K on this topicPaws and Claws Chicago Rescue$3KFront Street Animal Shelter: received $3K on this topicFront Street Animal Shelter$3KSouth Suburban Humane Society: received $3K on this topicSouth Suburban Humane Society$3KNeenah Animal Shelter: received $3K on this topicNeenah Animal Shelter$3KOakland Animal Services: received $3K on this topicOakland Animal Services$3KSpay Neuter Network: received $1K on this topicSpay Neuter Network$1KBarkingmad Inc: received $1K on this topicBarkingmad Inc$1KSun Cities 4 Paws Rescue: received $1K on this topicSun Cities 4 Paws Rescue$1KCity of Tracy Animal Services: received $1K on this topicCity of Tracy Animal Services$1KHeaven On Earth: received $1K on this topicHeaven On Earth$1KLet Love Live: received $1K on this topicLet Love Live$1KPortsmouth Humane Society: received $1K on this topicPortsmouth Humane Society$1KSeattle Humane: received $1K on this topicSeattle Humane$1K
12 funders, 39 recipients, grants matching “fridays” 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 →