GrantAuthority

C Stone Foundation

Grantmaking foundation in San Antonio, Texas · EIN 20-8134458

Grants itemized on the 990
$210KTax year 2025
Grants made
8Tax year 2025
Total assets
$2.8MLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Giving by year

$150K2019
$270K2020
$320K2021
$320K2022
$280K2023
$2.2M2024
$210K2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
Central Montana Medical Facilities Inc (dba Central Montana Medical Cent$50K2025
ExplorationWorks Inc$50K2025
Rocky Mountain College$50K2025
The Myrna Loy (Myrna Loy Center)$30K2025
Montana History Foundation Inc$10K2025

Amounts are rounded. The full grantee list (8 grants in 2025) is available with a free account.

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Similar foundations in Texas

Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.