Funding search · EIN 954506950 · Arcadia, CA
Oak Tree Charitable Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 41
- grants reported
- $1.4M
- total given
- 2021–2024
- filing years
- $35,000
- median grant
Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Winners Foundation4 grants · $250,000
- Grayson-Jockey Club Research Foundation4 grants · $235,000
- Cancer Support Community Pasadena4 grants · $180,000
- Edwin J Gregson Foundation3 grants · $155,750
- Carma4 grants · $140,000
- Uc Davis Foundation2 grants · $100,000
- California Thoroughbred Horsemen'S Foundation2 grants · $87,500
- Racing Medication Testing Consortium4 grants · $82,500
- The Foundation for the Horse1 grant · $52,500
- Uc Davis Foundation Co School of Veterinary Medicine1 grant · $50,000
Giving over time
Grant history
All 41 reported grants, largest first.
- $105,000
Edwin J Gregson Foundation · Arcadia, CA · 2022
Support workers in the california horse racing industry
- $100,000
Winners Foundation · Arcadia, CA · 2024
Substance abuse counseling
- $100,000
Cancer Support Community Pasadena · Pasadena, CA · 2022
Providing support to families and communities impacted by cancer
- $85,000
Grayson-Jockey Club Research Foundation · Lexington, KY · 2021
Support research to promote equine health and welfare.
- $60,000
Carma · Arcadia, CA · 2024
Support rehabilitation, training and retirement for california-raced throughbred horses.
- $52,500
The Foundation for the Horse · Lexington, KY · 2024
Improving horse health and well being
- $50,000
Grayson-Jockey Club Research Foundation · New York, NY · 2024
Support research to promote equine health and welfare.
- $50,000
Uc Davis Foundation · Davis, CA · 2024
To support equine veterinary research
- $50,000
Cancer Support Community Pasadena · Pasadena, CA · 2023
Providing support to families and communities impacted by cancer
- $50,000
Grayson-Jockey Club Research Foundation · Lexington, KY · 2023
Support research to promote equine health and welfare.
- $50,000
Uc Davis Foundation Co School of Veterinary Medicine · Davis, CA · 2023
To support the foundation
- $50,000
Winners Foundation · Arcadia, CA · 2023
Substance abuse counseling
- $50,000
Grayson-Jockey Club Research Foundation · Lexington, KY · 2022
Support research to promote equine health and welfare.
- $50,000
Winners Foundation · Arcadia, CA · 2022
Substance abuse counseling
- $50,000
Southern California Equine Foundation · Arcadia, CA · 2021
Promote medical care for horses
- $50,000
Uc Davis Foundation · Davis, CA · 2021
Support research to promote racehorse health and safety.
- $50,000
Winners Foundation · Arcadia, CA · 2021
Substance abuse counseling
- $45,000
California Thoroughbred Horsemen'S Foundation · Arcadia, CA · 2024
To support the del mar thoroughbred club summer program providing meals to backstretch horse care employees.
- $42,500
California Thoroughbred Horsemen'S Foundation · Arcadia, CA · 2023
To support the del mar thoroughbred club summer program providing meals to backstretch horse care employees.
- $35,000
Edwin J Gregson Foundation · Arcadia, CA · 2024
To support scholarships to children of racing employees
- $35,000
Carma · Arcadia, CA · 2023
Support rehabilitation, training and retirement for california-raced throughbred horses.
- $35,000
Carma · Arcadia, CA · 2022
Support rehabilitation, training and retirement for california-raced throughbred horses.
- $27,500
Racing Medication Testing Consortium · Lexington, KS · 2023
Support anti-doping research for horse racing.
- $27,500
Racing Medication Testing Consortium · Lexington, KS · 2021
Support anti-doping research for horse racing.
- $25,000
Racing Medication Testing Consortium · Lexington, KY · 2024
Support anti-doping research for horse racing.
- $25,000
Calif Thoroughbred Horsemen'S Foundation · Arcadia, CA · 2022
To support the del mar thoroughbred club summer program providing meals to backstretch horse care employees.
- $20,000
Cancer Support Community Pasadena · Pasadena, CA · 2021
Providing support to families and communities impacted by cancer
- $15,750
Edwin J Gregson Foundation · Arcadia, CA · 2021
Support workers in the california horse racing industry
- $10,000
Cancer Support Community Pasadena · Pasadena, CA · 2024
Providing support to families and communities impacted by cancer
- $10,000
Carma · Arcadia, CA · 2021
Support rehabilitation, training and retirement for california-raced throughbred horses.
- $5,000
The Jockey Club Safety Net Foundation · New York, NY · 2023
To support the foundation
- $5,000
Thoroughbred Charities of America · Lexington, KY · 2021
Thoroughbred horses rehabilitation, retraining, and rehoming
- $2,500
Equine Disease Communication Center · Lexington, KY · 2023
To support the foundation
- $2,500
Racing Officials Accreditation Program · Lexington, KY · 2023
Improving horse health and well being
- $2,500
Aaep Foundation Dbathe Foundation for the Horse · Lexington, KY · 2022
Improving horse health and well being
- $2,500
Racing Medication Testing Consortium · Lexington, KS · 2022
Support anti-doping research for horse racing.
- $2,500
Racing Officials Accreditation Program · Lexington, KY · 2022
Improving horse health and well being
- $2,500
Aaep Foundation Dbathe Foundation for the Horse · Lexington, KY · 2021
Improving horse health and well being
- $2,500
Racing Officials Accreditation Program · Lexington, KY · 2021
Improving horse health and well being
- $2,000
Horse Racing Women'S Summit · Beverly Hills, CA · 2022
To support the 2022 horse racing women's summit luncheon.
- $1,000
Edwin Charles Foundation · Beverly Hills, CA · 2024
To support the foundation
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

