C Stone Foundation
Preselected recipients only
C Stone Foundation is a private foundation in San Antonio, Texas. In tax year 2025 it gave $205,000 in 8 grants; the typical grant was $20,000 and the largest $50,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$205,000
- Number of grants8
- Typical grant$20,000
- Largest grant$50,000
- Assets$3.7 million
- New grantees100%
Giving in 2025 was down from $2.2 million the year before.
100% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $275,000 | 10 | $5.1 million |
| 2024 | $2.2 million | 7 | $3.5 million |
| 2025 | $205,000 | 8 | $3.7 million |
How to apply
C Stone Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
Where it gives
Its grants went to recipients in 2 states, the most to Montana.
| State | Grants | Amount |
|---|---|---|
| Montana | 7 | $200,000 |
| Virginia | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Central Montana Medical Facilities Inc (dba Central Montana Medical Cent | General Purpose | $50,000 |
| ExplorationWorks Inc | General Purpose | $50,000 |
| Rocky Mountain College | General Purpose | $50,000 |
| The Myrna Loy (Myrna Loy Center) | General Purpose | $30,000 |
| Montana History Foundation Inc | General Purpose | $10,000 |
| Kakenya's Dream | General Purpose | $5,000 |
| Gods Love Inc (God's Love Homeless Shelter) | General Purpose | $5,000 |
| Max S Baucus Institute | General Purpose | $5,000 |
Officers and trustees
- Catherine S Campbell
- Ruth C Austin
- Eloise D Austin
Questions people ask
Does C Stone Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does C Stone Foundation give?
$205,000 in tax year 2025, across 8 grants, with a typical grant of $20,000.
Who runs C Stone Foundation?
Its 2025 filing lists Catherine S Campbell (Trustee), Ruth C Austin (Trustee) and Eloise D Austin (Trustee).