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 20222024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

athertonholtafterbasedcommunityconfluenceeducationfirst

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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

$300,050
2022
$332,500
2023
$336,000
2024

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

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Source: 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.