Funding search · EIN 746084245 · San Antonio, TX
William Knox Holt 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.
- 66
- grants reported
- $968,550
- total given
- 2022–2024
- filing years
- $10,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. 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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4 grants matching “atherton” · $38,000
- $10,000
Texas a&M University - Kingsville Foundation · Kingsville, TX · 2024
To fund the caesar kleberg wildlife research center's holt-atherton memorial fund.
- $10,000
Caesar Kleberg Wildlife Research Center- Texas a&M Kingsville · Kingsville, TX · 2023
Holt-atherton memorial fund
- $10,000
Caesar Kleberg Wildlife Research Center · Kingsville, TX · 2022
Holt-atherton memorial fund
- $8,000
Meeker Education Foundation · Meeker, CO · 2022
Holt atherton aviation scholarship
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Just Keep Livin Foundation3 grants · $90,000
- Witte Museum3 grants · $75,000
- Lawrence Hall of Science2 grants · $65,000
- University of the Pacific3 grants · $65,000
- Monterey Bay Aquarium2 grants · $60,000
- Colorado Rocky Mountain School1 grant · $50,000
- Colorado Rocky Mountain School2 grants · $40,000
- Mobile Loaves & Fishes2 grants · $40,000
- Monterey Bay Aquarium Foundation1 grant · $35,000
- Pease Park Conservancy3 grants · $30,000
Giving over time
Grant history
All 66 reported grants, largest first.
- $50,000
Colorado Rocky Mountain School · Carbondale, CO · 2024
To fund organization's exempt purpose.
- $35,000
Monterey Bay Aquarium Foundation · Monterey, CA · 2024
To fund organization's exempt purpose.
- $35,000
Lawrence Hall of Science · Berkeley, CA · 2023
Outdoor nature lab
- $30,000
Just Keep Livin Foundation · Sherman Oaks, CA · 2024
To fund after school programs.
- $30,000
Just Keep Livin Foundation · Los Angeles, CA · 2023
After-school program
- $30,000
Monterey Bay Aquarium · Monterey, CA · 2023
To fund organization's exempt purpose
- $30,000
Witte Museum · San Antonio, TX · 2023
To fund organization's exempt purpose
- $30,000
Just Keep Livin Foundation · Los Angeles, CA · 2022
After-school program
- $30,000
Lawrence Hall of Science · Berkeley, CA · 2022
Outdoor nature lab
- $30,000
Monterey Bay Aquarium · Monterey, CA · 2022
To fund organization's exempt purpose
- $30,000
Witte Museum · San Antonio, TX · 2022
To fund organization's exempt purpose
- $25,000
University of the Pacific · Stockton, CA · 2024
To fund the library project.
- $25,000
University of the Pacific · Stockton, CA · 2023
Library project
- $20,000
Mobile Loaves & Fishes · Austin, TX · 2024
To fund community first village program.
- $20,000
University of California Berkeley Foundation · Berkeley, CA · 2024
To fund the lawrence hall of science outdoor nature lab.
- $20,000
Colorado Rocky Mountain School · Carbondale, CO · 2023
To fund organization's exempt purpose
- $20,000
Mobile Loaves & Fishes · Austin, TX · 2023
Community first! Village program
- $20,000
Pease Park Conservancy · Austin, TX · 2023
To fund organization's exempt purpose
- $20,000
Colorado Rocky Mountain School · Carbondale, CO · 2022
To fund organization's exempt purpose
- $20,000
Mobile Loaves & Fishes · Austin, TX · 2022
Community first! Village program
- $15,000
San Joaquin Pioneer & Historical Society · Stockton, CA · 2024
To fund organization's exempt purpose.
- $15,000
Witte Museum · San Antonio, TX · 2024
To fund organization's exempt purpose.
- $15,000
San Antonio Botanical Gardens · San Antonio, TX · 2023
Imaginary worlds
- $15,000
Muny Conservancy · Austin, TX · 2022
Summer camp scholarships
- $15,000
University of the Pacific · Stockton, CA · 2022
Library project
- $12,500
Haggin Museum · Stockton, CA · 2023
To fund organization's exempt purpose
- $12,050
Haggin Museum · Stockton, CA · 2022
To fund organization's exempt purpose
- $10,000
Austin Ymbl Sunshine Camp · Austin, TX · 2024
To fund organization's exempt purpose.
- $10,000
Cmc Foundation of Central Texas · St Louis, MO · 2024
To fund organization's exempt purpose.
- $10,000
McNay Art Museum · San Antonio, TX · 2024
To fund art-based education programs.
- $10,000
San Antonio Botanical Garden Society · San Antonio, TX · 2024
To fund imaginary worlds.
- $10,000
San Antonio River Foundation · San Antonio, TX · 2024
To fund the confluence park program.
- $10,000
Texas a&M University - Kingsville Foundation · Kingsville, TX · 2024
To fund the caesar kleberg wildlife research center's holt-atherton memorial fund.
- $10,000
The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2024
To fund organization's exempt purpose.
- $10,000
The Explorer'S Club - Texas Chapter · Austin, TX · 2024
To fund organization's exempt purpose.
- $10,000
The Holdsworth Center · Austin, TX · 2024
To fund organization's exempt purpose.
- $10,000
Austin Sunshine Camps · Austin, TX · 2023
To fund organization's exempt purpose
- $10,000
Caesar Kleberg Wildlife Research Center- Texas a&M Kingsville · Kingsville, TX · 2023
Holt-atherton memorial fund
- $10,000
Dell Children'S Foundation · Austin, TX · 2023
To fund organization's exempt purpose
- $10,000
Holdsworth Center · Austin, TX · 2023
To fund organization's exempt purpose
- $10,000
McNay Art Museum · San Antonio, TX · 2023
Arts-based education programs
- $10,000
San Antonio River Foundation · San Antonio, TX · 2023
Confluence park program
- $10,000
Stanford University · Stanford, CA · 2023
To fund organization's exempt purpose
- $10,000
Texas Biomedical Research Institute · San Antonio, TX · 2023
To fund organization's exempt purpose
- $10,000
Austin Sunshine Camps · Austin, TX · 2022
To fund organization's exempt purpose
- $10,000
Caesar Kleberg Wildlife Research Center · Kingsville, TX · 2022
Holt-atherton memorial fund
- $10,000
Holdsworth Center · Austin, TX · 2022
To fund organization's exempt purpose
- $10,000
San Antonio Botanical Gardens · San Antonio, TX · 2022
Imaginary worlds
- $10,000
San Antonio River Foundation · San Antonio, TX · 2022
Confluence park program
- $10,000
Stanford University · Stanford, CA · 2022
To fund organization's exempt purpose
- $10,000
Texas Biomedical Research Institute · San Antonio, TX · 2022
To fund organization's exempt purpose
- $8,000
Meeker Education Foundation · Meeker, CO · 2022
Holt atherton aviation scholarship
- $7,500
Film Society of Austin · Austin, TX · 2024
To fund organization's exempt purpose.
- $7,500
Muny Conservancy · Austin, TX · 2024
To fund summer camp scholarships.
- $5,000
Greater Austin Performing Arts Center · Austin, TX · 2024
To fund organization's exempt purpose.
- $5,000
Mind Science Foundation · San Antonio, TX · 2024
To fund organization's exempt purpose.
- $5,000
Musical Bridges Around the World · San Antonio, TX · 2024
To fund youth programs.
- $5,000
Pease Park Conservancy · Austin, TX · 2024
To fund organization's exempt purpose.
- $5,000
Long Center · Austin, TX · 2023
To fund organization's exempt purpose
- $5,000
Mind Science Foundation · San Antonio, TX · 2023
To fund organization's exempt purpose
- $5,000
Musical Bridges Around the World · San Antonio, TX · 2023
Youth program
- $5,000
McNay Art Museum · San Antonio, TX · 2022
Arts-based education programs
- $5,000
Mind Science Foundation · San Antonio, TX · 2022
To fund organization's exempt purpose
- $5,000
Musical Bridges Around the World · San Antonio, TX · 2022
Youth program
- $5,000
Pease Park Conservancy · Austin, TX · 2022
To fund organization's exempt purpose
- $1,000
Texas Biomedical Research Institute · San Antonio, TX · 2024
To fund organization's exempt purpose.
Who else funds this kind of work
Same state
- Greater Houston Community Foundation5,612 grants · $873.8M
- The Big 12 Conference50 grants · $1.91B
- Texas Essential Healthcare Partnerships297 grants · $972.3M
Similar purposes
- Holt Atherton Educational74 grants · $85,463
Similar grant size
- The Ayco Charitable Foundation15,303 grants · $2.05B
- Paypal Charitable Giving Fund32,081 grants · $1.40B
- Seattle Foundation14,012 grants · $457.3M
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.

