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.
Foundation based inAny state AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY PR VI Gave to recipients inAny state AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY PR VI Funder typeBoth Private foundations Charities & associations Grants of at leastAny size $10k $50k $100k Active sinceAny year 2023 or later 2024 or later
12 funders with a record of paying for “chimpanzees”
Where the money went The Humane Society of the United States → Project Chimps: $6.5M across 1 grant, latest 2022 Arcus Foundation → Save the Chimps Inc: $1.3M across 1 grant, latest 2023 Sam Simon Charitable Giving Foundation Inc → Center for Orangutan & Chimpanzee Conservation Inc: $720K across 3 grants, latest 2024 The American Anti-Vivisection Society → Chimp Haven: $152K across 3 grants, latest 2024 Seattle Foundation → Chimpanzee Sanctuary Northwest: $139K across 13 grants, latest 2024 Benton-Yang Foundation → Chimpanzee Sanctuary Nw: $120K across 4 grants, latest 2025 Park Foundation Inc → Center for Orangutan and Chimpanzee Conservation Inc: $116K across 3 grants, latest 2023 The Michele & Agnese Cestone Foundation → Center for Orangutan and Chimpanzee Conservation Inc: $67K across 3 grants, latest 2024 Doris Day Animal Foundation → Save the Chimps: $55K across 3 grants, latest 2024 The Margot Marsh Biodiversity Foundation → New Nature Foundation: $45K across 2 grants, latest 2024 Dr Scholl Foundation → Center for Orangutan and Chimpanzee Conservation Inc: $36K across 3 grants, latest 2024 National Anti-Vivisection Society → Save the Chimps: $26K across 2 grants, latest 2022 The Humane Society of the United States → Project Chimps Inc: $5.0M across 2 grants, latest 2024 Arcus Foundation → Village Enterprise Fund Inc: $811K across 4 grants, latest 2024 Sam Simon Charitable Giving Foundation Inc → Save the Chimps Inc: $650K across 2 grants, latest 2024 The American Anti-Vivisection Society → Project Chimps: $143K across 2 grants, latest 2023 Park Foundation Inc → Cntr for Orangutan and Chimpanzee Conservation Inc: $65K across 1 grant, latest 2024 The Margot Marsh Biodiversity Foundation → Lincoln Park Zoo: $40K across 2 grants, latest 2025 Dr Scholl Foundation → Save the Chimps Inc: $25K across 2 grants, latest 2024 Doris Day Animal Foundation → Chimp Haven Inc: $25K across 1 grant, latest 2024 National Anti-Vivisection Society → Chimp Haven: $20K across 2 grants, latest 2022 The Michele & Agnese Cestone Foundation → Chimpanzee Sanctuary Northwest: $15K across 1 grant, latest 2024 Arcus Foundation → Center for Orangutan and Chimpanzee Conservation Inc: $800K across 4 grants, latest 2024 The American Anti-Vivisection Society → Save the Chimps: $119K across 3 grants, latest 2024 The Humane Society of the United States → Chimp Haven: $50K across 1 grant, latest 2024 The Margot Marsh Biodiversity Foundation → The Kasiisi Project: $40K across 3 grants, latest 2025 Park Foundation Inc → Save the Chimps: $30K across 1 grant, latest 2022 Doris Day Animal Foundation → Center for Great Apes: $25K across 1 grant, latest 2024 National Anti-Vivisection Society → Center for Great Apes: $10K across 1 grant, latest 2024 The Michele & Agnese Cestone Foundation → South Jersey Horse Rescue: $5K across 1 grant, latest 2022 Arcus Foundation → Wild Chimpanzee Foundation: $607K across 7 grants, latest 2024 Arcus Foundation → Community Initiatives: $501K across 4 grants, latest 2024 Arcus Foundation → Fauna & Flora International: $494K across 3 grants, latest 2024 Arcus Foundation → Lincoln Park Zoological Society: $475K across 4 grants, latest 2024 Arcus Foundation → International Rivers Network: $400K across 2 grants, latest 2024 Arcus Foundation → Mighty Earth Inc: $397K across 2 grants, latest 2022 Arcus Foundation → Royal Zoological Society of Scotland: $383K across 4 grants, latest 2024 Arcus Foundation → Sanaga-Yong Chimpanzee Rescue: $300K across 4 grants, latest 2024 Arcus Foundation → Ol Pejeta Conservancy Limited: $300K across 3 grants, latest 2024 Arcus Foundation → Jane Goodall Institute for Wildlife Research Education & Conservation: $299K across 1 grant, latest 2024 Arcus Foundation → Chimbo Foundation: $260K across 4 grants, latest 2024 Arcus Foundation → The Environment and Rural Development Foundation: $259K across 4 grants, latest 2023 Arcus Foundation → Zoological Society of San Diego: $247K across 3 grants, latest 2024 Arcus Foundation → The Regents of the University of California Los Angeles: $224K across 2 grants, latest 2022 Arcus Foundation → University College London: $214K across 2 grants, latest 2024 Arcus Foundation → Friends of Cswct: $200K across 3 grants, latest 2023 Arcus Foundation → Gorilla Rehabilitation and Conservation Education (Grace) Center: $190K across 1 grant, latest 2024 Arcus Foundation → Rewild: $185K across 1 grant, latest 2024 Arcus Foundation → International Great Apes and Gibbons Fund: $153K across 2 grants, latest 2023 Arcus Foundation → Bush-to-Base-Solutions: $150K across 2 grants, latest 2022 Arcus Foundation → Kasiisi Project Inc: $139K across 2 grants, latest 2022 Arcus Foundation → Social Entrepreneurs for Sustainable Development: $123K across 1 grant, latest 2023 Arcus Foundation → International Institute for Environment and Development: $118K across 2 grants, latest 2022 Arcus Foundation → Ape Action Africa: $100K across 1 grant, latest 2023 Arcus Foundation → Humane Society International (Uk): $100K across 1 grant, latest 2023 Arcus Foundation → Jeunes Animaux Confisques Au Katanga: $100K across 1 grant, latest 2024 The American Anti-Vivisection Society → Chimpanzee Sanctuary Northwest: $95K across 4 grants, latest 2025 Arcus Foundation → Guinee Ecologie: $93K across 1 grant, latest 2024 Arcus Foundation → Animal Protection of New Mexico Inc: $90K across 2 grants, latest 2024 Arcus Foundation → University of Derby: $85K across 1 grant, latest 2024 Arcus Foundation → Pan African Sanctuary Alliance: $82K across 2 grants, latest 2022 Arcus Foundation → Tacugama Chimpanzee Sanctuary: $80K across 2 grants, latest 2024 Arcus Foundation → Cooperacion International Al Desarrollo: $68K across 1 grant, latest 2024 The American Anti-Vivisection Society → Center for Great Apes: $53K across 3 grants, latest 2024 The Humane Society of the United States: $12M on this topic. Open the funder. The Humane Society of the Uni… $12M Arcus Foundation: $10M on this topic. Open the funder. Arcus Foundation $10M Sam Simon Charitable Giving Foundation Inc: $1.4M on this topic. Open the funder. Sam Simon Charitable Giving F… $1.4M The American Anti-Vivisection Society: $562K on this topic. Open the funder. The American Anti-Vivisection… $562K Park Foundation Inc: $210K on this topic. Open the funder. Park Foundation Inc $210K Seattle Foundation: $139K on this topic. Open the funder. Seattle Foundation $139K The Margot Marsh Biodiversity Foundation: $125K on this topic. Open the funder. The Margot Marsh Biodiversity… $125K Benton-Yang Foundation: $120K on this topic. Open the funder. Benton-Yang Foundation $120K Doris Day Animal Foundation: $105K on this topic. Open the funder. Doris Day Animal Foundation $105K The Michele & Agnese Cestone Foundation: $87K on this topic. Open the funder. The Michele & Agnese Cestone… $87K Dr Scholl Foundation: $61K on this topic. Open the funder. Dr Scholl Foundation $61K National Anti-Vivisection Society: $56K on this topic. Open the funder. National Anti-Vivisection Soc… $56K Project Chimps: received $6.5M on this topic Project Chimps $6.5M Project Chimps Inc: received $5.0M on this topic Project Chimps Inc $5.0M Save the Chimps Inc: received $1.9M on this topic Save the Chimps Inc $1.9M Center for Orangutan and Chimpanzee Conservation Inc: received $983K on this topic Center for Orangutan and Chimpa… $983K Village Enterprise Fund Inc: received $811K on this topic Village Enterprise Fund Inc $811K Center for Orangutan & Chimpanzee Conservation Inc: received $720K on this topic Center for Orangutan & Chimpanz… $720K Wild Chimpanzee Foundation: received $607K on this topic Wild Chimpanzee Foundation $607K Community Initiatives: received $501K on this topic Community Initiatives $501K Fauna & Flora International: received $494K on this topic Fauna & Flora International $494K Lincoln Park Zoological Society: received $475K on this topic Lincoln Park Zoological Society $475K International Rivers Network: received $400K on this topic International Rivers Network $400K Mighty Earth Inc: received $397K on this topic Mighty Earth Inc $397K Royal Zoological Society of Scotland: received $383K on this topic Royal Zoological Society of Sco… $383K Sanaga-Yong Chimpanzee Rescue: received $300K on this topic Sanaga-Yong Chimpanzee Rescue $300K Ol Pejeta Conservancy Limited: received $300K on this topic Ol Pejeta Conservancy Limited $300K Jane Goodall Institute for Wildlife Research Education & Conservation: received $299K on this topic Jane Goodall Institute for Wild… $299K Chimbo Foundation: received $260K on this topic Chimbo Foundation $260K The Environment and Rural Development Foundation: received $259K on this topic The Environment and Rural Devel… $259K Chimpanzee Sanctuary Northwest: received $249K on this topic Chimpanzee Sanctuary Northwest $249K Zoological Society of San Diego: received $247K on this topic Zoological Society of San Diego $247K Save the Chimps: received $230K on this topic Save the Chimps $230K The Regents of the University of California Los Angeles: received $224K on this topic The Regents of the University o… $224K University College London: received $214K on this topic University College London $214K Friends of Cswct: received $200K on this topic Friends of Cswct $200K Gorilla Rehabilitation and Conservation Education (Grace) Center: received $190K on this topic Gorilla Rehabilitation and Cons… $190K Rewild: received $185K on this topic Rewild $185K Chimp Haven: received $172K on this topic Chimp Haven $172K International Great Apes and Gibbons Fund: received $153K on this topic International Great Apes and Gi… $153K Bush-to-Base-Solutions: received $150K on this topic Bush-to-Base-Solutions $150K Project Chimps: received $143K on this topic Project Chimps $143K Kasiisi Project Inc: received $139K on this topic Kasiisi Project Inc $139K Social Entrepreneurs for Sustainable Development: received $123K on this topic Social Entrepreneurs for Sustai… $123K Chimpanzee Sanctuary Nw: received $120K on this topic Chimpanzee Sanctuary Nw $120K International Institute for Environment and Development: received $118K on this topic International Institute for Env… $118K Ape Action Africa: received $100K on this topic Ape Action Africa $100K Humane Society International (Uk): received $100K on this topic Humane Society International (U… $100K Jeunes Animaux Confisques Au Katanga: received $100K on this topic Jeunes Animaux Confisques Au Ka… $100K Guinee Ecologie: received $93K on this topic Guinee Ecologie $93K Animal Protection of New Mexico Inc: received $90K on this topic Animal Protection of New Mexico… $90K Center for Great Apes: received $88K on this topic Center for Great Apes $88K University of Derby: received $85K on this topic University of Derby $85K Pan African Sanctuary Alliance: received $82K on this topic Pan African Sanctuary Alliance $82K Tacugama Chimpanzee Sanctuary: received $80K on this topic Tacugama Chimpanzee Sanctuary $80K Cooperacion International Al Desarrollo: received $68K on this topic Cooperacion International Al De… $68K Cntr for Orangutan and Chimpanzee Conservation Inc: received $65K on this topic Cntr for Orangutan and Chimpanz… $65K Chimp Haven: received $50K on this topic Chimp Haven $50K New Nature Foundation: received $45K on this topic New Nature Foundation $45K Lincoln Park Zoo: received $40K on this topic Lincoln Park Zoo $40K The Kasiisi Project: received $40K on this topic The Kasiisi Project $40K Center for Orangutan and Chimpanzee Conservation Inc: received $36K on this topic Center for Orangutan and Chimpa… $36K Save the Chimps Inc: received $25K on this topic Save the Chimps Inc $25K Chimp Haven Inc: received $25K on this topic Chimp Haven Inc $25K South Jersey Horse Rescue: received $5K on this topic South Jersey Horse Rescue $5K 12 funders, 53 recipients, grants matching “chimpanzees” 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. Largest: $1.3M to SAVE THE CHIMPS INC — general operating support to provide refuge and exemplary care to chimpanzees in need through permanent sanctuary, serving chimpanzees rescued from research, entertainment, and the…
Full grant history → IRS filings ↗
Largest: $42,500 to CHIMPANZEE SANCTUARY NORTHWEST — care of chimpanzees formerly used in research and capacity building to accommodate chimpanzees left homeless by closure of a facility + veterinary care supplemental grant
Full grant history → IRS filings ↗
Largest: $10,000 to PAN AFRICAN SANCTUARY ALLIANCE — protecting endangered chimpanzees (pan troglodytes schweinfurthii) through human-chimpanzee conflict reduction in kagadi district, uganda
Full grant history → IRS filings ↗
Largest: $30,000 to CHIMPANZEE SANCTUARY NORTHWEST — to support the memorial garden.
Full grant history → IRS filings ↗
Largest: $20,000 to CHIMPANZEE SANCTUARY NW — for veterinary care, medical supplies, food, and enrichment for chimpanzees at wildlife waystation.
Full grant history → IRS filings ↗
Largest: $2.5M to Project Chimps Inc — funding to provide sanctuary and care for former research chimpanzees
Full grant history → IRS filings ↗
Largest: $500,000 to SAVE THE CHIMPS INC — to support the emergency rescue and care for chimpanzees.
Full grant history → IRS filings ↗
Largest: $20,000 to CENTER FOR ORANGUTAN AND CHIMPANZEE CONSERVATION INC — new chimpanzees health care
Full grant history → IRS filings ↗
Largest: $75,000 to CENTER FOR ORANGUTAN AND CHIMPANZEE CONSERVATION INC — operations support for veterinary care
Full grant history → IRS filings ↗
Largest: $10,000 to Center for Orangutan and Chimpanzee Conservation Inc — enrichment for chimpanzee rehabilitations
Full grant history → IRS filings ↗
Largest: $13,000 to SAVE THE CHIMPS — chimpanzees in need campaign
Full grant history → IRS filings ↗
Largest: $30,000 to CHIMPANZEE SANCTUARY NW — animal welfare
Full grant history → IRS filings ↗
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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 →
