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Data / Foundation grants / William Knox Holt Foundation

William Knox Holt Foundation: 24 grants to organizations, $336,000 (tax year ended December 2024)

William Knox Holt Foundation, a private foundation in San Antonio, TX, paid 24 grants to organizations totaling $336,000 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 11, 2025. The largest was $50,000 to Colorado Rocky Mountain School Inc in Carbondale, CO for to fund organization's exempt purpose..

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EIN
746084245
Based in
San Antonio, TX
Assets
$10,090,067
Grants paid
$336,000
Tax year ended
December 2024

Grants paid, tax year ended December 2024

From the Form 990-PF filed November 11, 2025, IRS object ID 202523159349102212. It reported $336,000 in grants paid; 24 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Colorado Rocky Mountain School IncCarbondale, COTo fund organization's exempt purpose.Education$50,000apps.irs.gov
Monterey Bay Aquarium FoundationMonterey, CATo fund organization's exempt purpose.Animal-related$35,000apps.irs.gov
Just Keep Livin FoundationSherman Oaks, CATo fund after school programs.Philanthropy, voluntarism and grantmaking foundations$30,000apps.irs.gov
University of the PacificStockton, CATo fund the library project.Education$25,000apps.irs.gov
Mobile Loaves & Fishes IncAustin, TXTo fund community first village program.Religion-related$20,000apps.irs.gov
University of California Berkeley FoundationBerkeley, CATo fund the lawrence hall of science outdoor nature lab.Education$20,000apps.irs.gov
San Joaquin Pioneer & Historical SocietyStockton, CATo fund organization's exempt purpose.$15,000apps.irs.gov
Witte MuseumSan Antonio, TXTo fund organization's exempt purpose.Arts, culture and humanities$15,000apps.irs.gov
Austin Ymbl Sunshine CampAustin, TXTo fund organization's exempt purpose.Recreation and sports$10,000apps.irs.gov
CMC Foundation of Central TexasSt Louis, MOTo fund organization's exempt purpose.$10,000apps.irs.gov
McNay Art MuseumSan Antonio, TXTo fund art-based education programs.Arts, culture and humanities$10,000apps.irs.gov
San Antonio Botanical Garden Society IncSan Antonio, TXTo fund imaginary worlds.Environment$10,000apps.irs.gov
San Antonio River FoundationSan Antonio, TXTo fund the confluence park program.Environment$10,000apps.irs.gov
Texas A&M University - Kingsville Foundation IncKingsville, TXTo fund the caesar kleberg wildlife research center's holt-atherton memorial fund.Education$10,000apps.irs.gov
The Board of Trustees of the Leland Stanford Junior UniversityRedwood City, CATo fund organization's exempt purpose.Education$10,000apps.irs.gov
The Explorer's Club - Texas ChapterAustin, TXTo fund organization's exempt purpose.$10,000apps.irs.gov
The Holdsworth CenterAustin, TXTo fund organization's exempt purpose.Philanthropy, voluntarism and grantmaking foundations$10,000apps.irs.gov
Film Society of Austin IncAustin, TXTo fund organization's exempt purpose.$7,500apps.irs.gov
Muny ConservancyAustin, TXTo fund summer camp scholarships.Public and societal benefit$7,500apps.irs.gov
Greater Austin Performing Arts Center IncAustin, TXTo fund organization's exempt purpose.Arts, culture and humanities$5,000apps.irs.gov
Mind Science FoundationSan Antonio, TXTo fund organization's exempt purpose.$5,000apps.irs.gov
Musical Bridges Around the World IncSan Antonio, TXTo fund youth programs.Arts, culture and humanities$5,000apps.irs.gov
Pease Park ConservancyAustin, TXTo fund organization's exempt purpose.Recreation and sports$5,000apps.irs.gov
Texas Biomedical Research InstituteSan Antonio, TXTo fund organization's exempt purpose.Medical research$1,000apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
Texas$141,000
California$135,000
Colorado$50,000
Missouri$10,000

Also on SpecStream

Updated November 11, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.