To end the exploitation of animals used in research and testing, promote humane science alternatives, and support sanctuary care for animals rescued from laboratories.
American Anti-vivisection Society Inc directs its giving toward animals rescued from laboratories, especially chimpanzees, monkeys, and other primates in sanctuary care. One of the clearest patterns in the recent record is support for sanctuary expansion: Project Chimps received $73,264 in 2024 and $70,150 in 2023 for BUILD IT! expansion costs to bring in more chimpanzees retiring from a private laboratory. The foundation also supports long-term care for primates with specialized needs. Oklahoma Primate Sanctuary received $50,000 in both 2024 and 2023 for monkeys from labs, including veterinary care, professional staff, and fresh diet. Its work extends beyond primates rescued from research to care for horses and foals rescued from premarin production. Recent grants also include support for chimpanzees retired from research at several sanctuaries, along with supplemental veterinary and medication funding. Across these grants, the foundation funds direct care, sanctuary capacity, and specialized health support rather than broad unrestricted initiatives. The grant record shows a consistent emphasis on animals with lifetime care needs, with many awards aimed at food, shelter, medical services, enrichment, and facility support.
In sanctuary care, the foundation backed Chimpanzee Sanctuary Northwest with $42,500 in 2023 for chimpanzees formerly used in research and capacity building to accommodate chimpanzees left homeless by a facility closure, plus a veterinary care supplemental grant. It also gave $17,500 in 2023 and again in 2024 to Chimp Haven for care of more than 300 chimpanzee residents, each time with veterinary support. For primates beyond chimpanzees, Oklahoma Primate Sanctuary received $50,000 in both 2023 and 2024 for monkeys from labs, covering veterinary care, professional staff, and fresh diet. Born Free USA was awarded $17,500 in both 2023 and 2024 for general care of baboons and other monkeys, each time with a veterinary care supplemental grant. The foundation also supports rescued horses. Equine Advocates received $17,500 in 2024 for horses and now-grown foals rescued from premarin production, again paired with veterinary care support.
The typical grant size is tightly clustered: p25 is $17,500, median is $17,500, and p75 is $20,750. Most awards sit at a standard $17,500 level, with a smaller number of larger project or expansion grants. The recent record also shows repeat giving to the same organizations across multiple years, including Project Chimps, Oklahoma Primate Sanctuary, Save the Chimps, Equine Advocates, Peaceable Primates Sanctuary, Primates Incorporated, and others. The foundation is not described as making program-related investments and does not fund individuals. Several awards are supplemental restricted grants for veterinary care, medication, or wellness, alongside direct care and capital support.
$409K
$34.8M
$3.4M
$2.5M
Most grants fall between $18K and $21K, with a median of $18K.
25th Percentile
$18K
Median
$18K
75th Percentile
$21K
About 6% of grants go to recipients in FL.
SUE A LEARY
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Giving is national, and every recent grant in the sample went to a U.S. recipient. Florida appears most often among recipient states, including Fort Pierce, Gainesville, and Wauchula. Other recurring grant locations include Blue Ridge, Georgia; Newcastle, Oklahoma; Cle Elum, Washington; Chatham, New York; and Nicholasville, Kentucky. Pennsylvania recipients appear as well, but only 6% of grants go to organizations in the foundation’s HQ state.
It funds sanctuaries and care organizations for animals formerly used in research, especially chimpanzees, baboons, monkeys, orangutans, and other primates. It also supports care for rescued horses and foals from premarin production, plus projects tied to humane science and alternatives to animal testing.
The center of the grant pattern is $17,500: p25 is $17,500, median is $17,500, and p75 is $20,750. Many recent awards are exactly $17,500, with some larger grants for sanctuary expansion or higher-cost care needs.
Yes. Several organizations appear in multiple years, including Project Chimps, Oklahoma Primate Sanctuary, Save the Chimps, Equine Advocates, Peaceable Primates Sanctuary, Primates Incorporated, Born Free USA, Jungle Friends Primate Sanctuary, and Chimpanzee Sanctuary Northwest.
The giving is national, with all recent grants in the sample going to U.S. recipients. Florida is the top state by grant count, and recent recipient cities include Blue Ridge, Gainesville, Fort Pierce, Wauchula, Newcastle, and Cle Elum.
No. The foundation does not fund individuals, and it does not make program-related investments.
2024
Source: IRS Form 990-PF, fiscal year 2024.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| PROJECT CHIMPS | BLUE RIDGE, GA | $73,264 | 2024 | BUILD IT! GRANT FOR EXPANSION COSTS IN ORDER TO BRING MORE CHIMPANZEES RETIRING FROM A PRIVATE LABORATORY |
| OKLAHOMA PRIMATE SANCTUARY | NEWCASTLE, OK | $50,000 | 2024 | CARE OF MONKEYS FROM LABS, INCLUDING VETERINARY CARE, PROFESSIONAL STAFF AND FRESH DIET |
| GLOBAL FEDERATION OF ANIMAL SANCTUARIES | PHOENIX, AZ | $26,000 | 2024 | TO HELP SUPPORT AND ENSURE HIGH QUALITY CARE AT SANCTUARIES + SANCTUARY PRIZES FOR GIVING DAY FOR APES |
| RYERSS FARM FOR AGED EQUINES | POTTSTOWN, PA | $24,946 | 2024 | DIRECT CARE EXPENSES FOR HORSES, BOTH RETIRED AND RESCUED |
| SAVE THE CHIMPS | FORT PIERCE, FL | $18,000 | 2024 | SUPPORT FOR CHIMPANZEES, INCLUDING MANY REQUIRING SPECIAL CARE, RELINQUISHED BY A LAB + VETERINARY CARE SUPPLEMENTAL GRANT |
| BORN FREE USA | SACRAMENTO, CA | $17,500 | 2024 | GENERAL CARE OF BABOONS AND OTHER MONKEYS + VETERINARY CARE SUPPLEMENTAL GRANT |
| EQUINE ADVOCATES | CHATHAM, NY | $17,500 | 2024 | CARE FOR HORSES AND THEIR NOW-GROWN FOALS RESCUED FROM PREMARIN PRODUCTION + VETERINARY CARE SUPPLEMENTAL GRANT |
| WILDLIFE RESCUE AND REHABILITATION INC | KENDALIA, TX | $17,500 | 2024 | CARE FOR PRIMATES, ESPECIALLY NUTRITION, MEDICINE, AND ENRICHMENT |
| PRIMATES INCORPORATED | MADISON, WI | $17,500 | 2024 | CARE COSTS FOR PRIMATES FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT |
| JUNGLE FRIENDS PRIMATE SANCTUARY | GAINESVILLE, FL | $17,500 | 2024 | HURRICANE-SAFE BUILDING FUND FOR NEW WORLD MONKEYS SURRENDERED BY LABORATORIES + VETERINARY CARE SUPPLEMENTAL GRANT |
| PRIMATE RESCUE CENTER | NICHOLASVILLE, KY | $17,500 | 2024 | GENERAL COSTS OF CARE FOR RESCUED PRIMATES + VETERINARY CARE SUPPLEMENTAL GRANT |
| PRIMARILY PRIMATES | SAN ANTONIO, TX | $17,500 | 2024 | SPECIALIZED CARE FOR CHIMPANZEES FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT |
| PEACEABLE PRIMATES SANCTUARY | WINAMAC, IN | $17,500 | 2024 | CARE OF BABOONS AND MONKEYS RETIRED FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT |
| CHIMPANZEE SANCTUARY NORTHWEST | CLE ELUM, WA | $17,500 | 2024 | CARE OF CHIMPANZEES FORMERLY USED IN RESEARCH + VETERINARY CARE SUPPLEMENTAL GRANT |
| CENTER FOR GREAT APES | WAUCHULA, FL | $17,500 | 2024 | CARE OF CHIMPANZEES AND ORANGUTANS, INCLUDING MANY WITH SPECIAL NEEDS + VETERINARY CARE SUPPLEMENTAL GRANT |
| CHIMP HAVEN | KEITHVILLE, LA | $17,363 | 2024 | CARE OF MORE THAN 300 CHIMPANZEE RESIDENTS + VETERINARY CARE SUPPLEMENTAL GRANT |
| WORLD FEDERATION FOR ANIMALS | BOSTON, MA | $14,614 | 2024 | AAVS IS A FOUNDING MEMBER OF WFA, FORMED TO UNIFY AND STRENGTHEN INTERNATIONAL ANIMAL ADVOCACY |
| NORTH AMERICAN PRIMATE SANCTUARY ASSOCIATION CO COMMUNITY INITIATIVES | OAKLAND, CA | $10,000 | 2024 | GENERAL OPERATING SUPPORT TO FACILITATE COOPERATION BETWEEN PRIMATE SANCTUARIES |
| PROJECT CHIMPS | BLUE RIDGE, GA | $70,150 | 2023 | BUILD IT! GRANT FOR EXPANSION COSTS IN ORDER TO BRING MORE CHIMPANZEES RETIRING FROM A PRIVATE LABORATORY |
| OKLAHOMA PRIMATE SANCTUARY | NEWCASTLE, OK | $50,000 | 2023 | CARE OF MONKEYS FROM LABS, INCLUDING VETERINARY CARE, PROFESSIONAL STAFF AND FRESH DIET |
| CHIMPANZEE SANCTUARY NORTHWEST | CLE ELUM, WA | $42,500 | 2023 | CARE OF CHIMPANZEES FORMERLY USED IN RESEARCH AND CAPACITY BUILDING TO ACCOMMODATE CHIMPANZEES LEFT HOMELESS BY CLOSURE OF A FACILITY + VETERINARY CARE SUPPLEMENTAL GRANT |
| RYERSS FARM FOR AGED EQUINES | POTTSTOWN, PA | $30,309 | 2023 | DIRECT CARE EXPENSES FOR HORSES, BOTH RETIRED AND RESCUED |
| GLOBAL FEDERATION OF ANIMAL SANCTUARIES | PHOENIX, AZ | $23,500 | 2023 | SANCTUARY PRIZES FOR GIVING DAY FOR APES + TO HELP SUPPORT AND ENSURE HIGH QUALITY CARE AT SANCTUARIES |
| SAVE THE CHIMPS | FORT PIERCE, FL | $18,000 | 2023 | SUPPORT FOR CHIMPANZEES, INCLUDING MANY REQUIRING SPECIAL CARE, RELINQUISHED BY A LAB + VETERINARY CARE SUPPLEMENTAL GRANT |
| JUNGLE FRIENDS PRIMATE SANCTUARY | GAINESVILLE, FL | $17,500 | 2023 | DIRECT CARE FOR NEW WORLD MONKEYS SURRENDERED BY LABORATORIES + VETERINARY CARE SUPPLEMENTAL GRANT |
| CHIMP HAVEN | KEITHVILLE, LA | $17,500 | 2023 | CARE OF MORE THAN 300 CHIMPANZEE RESIDENTS + VETERINARY CARE SUPPLEMENTAL GRANT |
| BORN FREE USA | SACRAMENTO, CA | $17,500 | 2023 | GENERAL CARE OF BABOONS AND OTHER MONKEYS + VETERINARY CARE SUPPLEMENTAL GRANT |
| PEACEABLE PRIMATES SANCTUARY | WINAMAC, IN | $17,500 | 2023 | CARE OF BABOONS AND MONKEYS RETIRED FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT |
| CENTER FOR GREAT APES | WAUCHULA, FL | $17,500 | 2023 | CARE OF CHIMPANZEES AND ORANGUTANS, INCLUDING MANY WITH SPECIAL NEEDS + VETERINARY CARE SUPPLEMENTAL GRANT |
| EQUINE ADVOCATES | CHATHAM, NY | $17,500 | 2023 | CARE FOR HORSES AND THEIR NOW-GROWN FOALS RESCUED FROM PREMARIN PRODUCTION + VETERINARY CARE SUPPLEMENTAL GRANT |
| PRIMATE RESCUE CENTER | NICHOLASVILLE, KY | $17,500 | 2023 | GENERAL COSTS OF CARE FOR RESCUED PRIMATES + VETERINARY CARE SUPPLEMENTAL GRANT TO COVER MEDICATION COSTS |
| PRIMATES INCORPORATED | MADISON, WI | $17,500 | 2023 | CARE COSTS--STAFF AND VOLUNTEER TRAINING--FOR PRIMATES FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT FOR MEDICATIONS AND VET SERVICES |
| PRIMARILY PRIMATES | SAN ANTONIO, TX | $17,500 | 2023 | SPECIALIZED CARE FOR CHIMPANZEES FROM LABS + VETERINARY CARE AND WELLNESS SUPPLEMENTAL GRANT |
| WILDLIFE RESCUE AND REHABILITATION INC | KENDALIA, TX | $15,000 | 2023 | CARE FOR PRIMATES, ESPECIALLY NUTRITION, MEDICINE, AND ENRICHMENT |
| NORTH AMERICAN PRIMATE SANCTUARY ASSOCIATION CO COMMUNITY INITIATIVES | OAKLAND, CA | $12,500 | 2023 | GENERAL OPERATING SUPPORT TO FACILITATE COOPERATION BETWEEN PRIMATE SANCTUARIES + CONFERENCE SPONSORSHIP |
PROJECT CHIMPS
$73,264BUILD IT! GRANT FOR EXPANSION COSTS IN ORDER TO BRING MORE CHIMPANZEES RETIRING FROM A PRIVATE LABORATORY
OKLAHOMA PRIMATE SANCTUARY
$50,000CARE OF MONKEYS FROM LABS, INCLUDING VETERINARY CARE, PROFESSIONAL STAFF AND FRESH DIET
GLOBAL FEDERATION OF ANIMAL SANCTUARIES
$26,000TO HELP SUPPORT AND ENSURE HIGH QUALITY CARE AT SANCTUARIES + SANCTUARY PRIZES FOR GIVING DAY FOR APES
RYERSS FARM FOR AGED EQUINES
$24,946DIRECT CARE EXPENSES FOR HORSES, BOTH RETIRED AND RESCUED
SAVE THE CHIMPS
$18,000SUPPORT FOR CHIMPANZEES, INCLUDING MANY REQUIRING SPECIAL CARE, RELINQUISHED BY A LAB + VETERINARY CARE SUPPLEMENTAL GRANT
BORN FREE USA
GENERAL CARE OF BABOONS AND OTHER MONKEYS + VETERINARY CARE SUPPLEMENTAL GRANT
EQUINE ADVOCATES
$17,500CARE FOR HORSES AND THEIR NOW-GROWN FOALS RESCUED FROM PREMARIN PRODUCTION + VETERINARY CARE SUPPLEMENTAL GRANT
WILDLIFE RESCUE AND REHABILITATION INC
$17,500CARE FOR PRIMATES, ESPECIALLY NUTRITION, MEDICINE, AND ENRICHMENT
PRIMATES INCORPORATED
$17,500CARE COSTS FOR PRIMATES FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT
JUNGLE FRIENDS PRIMATE SANCTUARY
$17,500HURRICANE-SAFE BUILDING FUND FOR NEW WORLD MONKEYS SURRENDERED BY LABORATORIES + VETERINARY CARE SUPPLEMENTAL GRANT
PRIMATE RESCUE CENTER
$17,500GENERAL COSTS OF CARE FOR RESCUED PRIMATES + VETERINARY CARE SUPPLEMENTAL GRANT
PRIMARILY PRIMATES
$17,500SPECIALIZED CARE FOR CHIMPANZEES FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT
PEACEABLE PRIMATES SANCTUARY
$17,500CARE OF BABOONS AND MONKEYS RETIRED FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT
CHIMPANZEE SANCTUARY NORTHWEST
$17,500CARE OF CHIMPANZEES FORMERLY USED IN RESEARCH + VETERINARY CARE SUPPLEMENTAL GRANT
CENTER FOR GREAT APES
$17,500CARE OF CHIMPANZEES AND ORANGUTANS, INCLUDING MANY WITH SPECIAL NEEDS + VETERINARY CARE SUPPLEMENTAL GRANT
CHIMP HAVEN
$17,363CARE OF MORE THAN 300 CHIMPANZEE RESIDENTS + VETERINARY CARE SUPPLEMENTAL GRANT
WORLD FEDERATION FOR ANIMALS
$14,614AAVS IS A FOUNDING MEMBER OF WFA, FORMED TO UNIFY AND STRENGTHEN INTERNATIONAL ANIMAL ADVOCACY
NORTH AMERICAN PRIMATE SANCTUARY ASSOCIATION CO COMMUNITY INITIATIVES
$10,000GENERAL OPERATING SUPPORT TO FACILITATE COOPERATION BETWEEN PRIMATE SANCTUARIES
PROJECT CHIMPS
$70,150BUILD IT! GRANT FOR EXPANSION COSTS IN ORDER TO BRING MORE CHIMPANZEES RETIRING FROM A PRIVATE LABORATORY
OKLAHOMA PRIMATE SANCTUARY
$50,000CARE OF MONKEYS FROM LABS, INCLUDING VETERINARY CARE, PROFESSIONAL STAFF AND FRESH DIET
CHIMPANZEE SANCTUARY NORTHWEST
$42,500CARE OF CHIMPANZEES FORMERLY USED IN RESEARCH AND CAPACITY BUILDING TO ACCOMMODATE CHIMPANZEES LEFT HOMELESS BY CLOSURE OF A FACILITY + VETERINARY CARE SUPPLEMENTAL GRANT
RYERSS FARM FOR AGED EQUINES
$30,309DIRECT CARE EXPENSES FOR HORSES, BOTH RETIRED AND RESCUED
GLOBAL FEDERATION OF ANIMAL SANCTUARIES
$23,500SANCTUARY PRIZES FOR GIVING DAY FOR APES + TO HELP SUPPORT AND ENSURE HIGH QUALITY CARE AT SANCTUARIES
SAVE THE CHIMPS
$18,000SUPPORT FOR CHIMPANZEES, INCLUDING MANY REQUIRING SPECIAL CARE, RELINQUISHED BY A LAB + VETERINARY CARE SUPPLEMENTAL GRANT
JUNGLE FRIENDS PRIMATE SANCTUARY
$17,500DIRECT CARE FOR NEW WORLD MONKEYS SURRENDERED BY LABORATORIES + VETERINARY CARE SUPPLEMENTAL GRANT
CHIMP HAVEN
$17,500CARE OF MORE THAN 300 CHIMPANZEE RESIDENTS + VETERINARY CARE SUPPLEMENTAL GRANT
BORN FREE USA
$17,500GENERAL CARE OF BABOONS AND OTHER MONKEYS + VETERINARY CARE SUPPLEMENTAL GRANT
PEACEABLE PRIMATES SANCTUARY
$17,500CARE OF BABOONS AND MONKEYS RETIRED FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT
CENTER FOR GREAT APES
$17,500CARE OF CHIMPANZEES AND ORANGUTANS, INCLUDING MANY WITH SPECIAL NEEDS + VETERINARY CARE SUPPLEMENTAL GRANT
EQUINE ADVOCATES
$17,500CARE FOR HORSES AND THEIR NOW-GROWN FOALS RESCUED FROM PREMARIN PRODUCTION + VETERINARY CARE SUPPLEMENTAL GRANT
PRIMATE RESCUE CENTER
$17,500GENERAL COSTS OF CARE FOR RESCUED PRIMATES + VETERINARY CARE SUPPLEMENTAL GRANT TO COVER MEDICATION COSTS
PRIMATES INCORPORATED
$17,500CARE COSTS--STAFF AND VOLUNTEER TRAINING--FOR PRIMATES FROM LABS + VETERINARY CARE SUPPLEMENTAL GRANT FOR MEDICATIONS AND VET SERVICES
PRIMARILY PRIMATES
$17,500SPECIALIZED CARE FOR CHIMPANZEES FROM LABS + VETERINARY CARE AND WELLNESS SUPPLEMENTAL GRANT
WILDLIFE RESCUE AND REHABILITATION INC
$15,000CARE FOR PRIMATES, ESPECIALLY NUTRITION, MEDICINE, AND ENRICHMENT
NORTH AMERICAN PRIMATE SANCTUARY ASSOCIATION CO COMMUNITY INITIATIVES
$12,500GENERAL OPERATING SUPPORT TO FACILITATE COOPERATION BETWEEN PRIMATE SANCTUARIES + CONFERENCE SPONSORSHIP