The Williamson Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN ANTONIO, TX. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.9M in total assets. In 2024, it awarded 19 grants totaling $97K. Net investment income was $54K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$2.9M
+6.9% YoY
Annual Giving
$97K
+13.7% YoY
Grant Count
19
-5.0% YoY
Avg Grant Size
$5K
+19.7% YoY
Under IRS private-foundation payout rules, The Williamson Foundation reported a distributable amount of $91K for 2024 — the minimum it must pay out in qualifying distributions.
About The Williamson Foundation
Based on IRS filings
The Williamson Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN ANTONIO, TX. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.9M in total assets. In 2024, it awarded 19 grants totaling $97K. Net investment income was $54K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $2,910,273 | $2,723,205 | $2,647,544 |
| Revenue | $279,091 | $173,247 | $165,643 |
| Expenses | $111,281 | $92,590 | $87,047 |
| Qualifying Distributions | $111,281 | $92,590 | $87,047 |
| Net Investment Income | $54,469 | $15,765 | $49,986 |
| Distributable Amount | $90,971 | $82,755 | $84,683 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
98 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Minnesota Environmental Partnership ($34,150), Rancho Mirage Writers Festival ($20,000), Texas Public Radio ($10,325).
| Recipient | Purpose | Amount |
|---|---|---|
| KLRN SAN ANTONIO, TX | FOR THE ORGS CHARITABLE PURPOSES | $3,000 |
| TEXAS PUBLIC RADIO SAN ANTONIO, TX | FOR THE ORGS CHARITABLE PURPOSES | $10,325 |
| SAN ANTONIO CONSERVATION SOCIETY SAN ANTONIO, TX | FOR THE ORGS CHARITABLE PURPOSES | $2,500 |
| SAN ANTONIO BOTANCIAL GARDEN SAN ANTONIO, TX | FOR THE ORGS CHARTIABLE PURPOSES | $2,500 |
| SAN ANTONIO MUSEUM OF ART SAN ANTONIO, TX | FOR THE ORGS CHARITABLE PURPOSES | $1,000 |
| KANSAS UNIVERSITY ENDOWMENT LAWRENCE, KS | FOR THE ORGS CHARITABLE PURPOSES | $500 |
| TEXAS STATE HISTORICAL ASSOCIATION AUSTIN, TX | FOR THE ORGS CHARITABLE PURPOSES | $1,000 |
| HEMISFAIR CONSERVANCY SAN ANTONIO, TX | FOR THE ORGS CHARITABLE PURPOSES | $1,031 |
| PROPUBLICA PUBLISHER'S CIRCLE NEW YORK, NY | FOR THE ORGS CHARITABLE PURPOSES | $2,000 |
| OPERA SAN ANTONIO SAN ANTONIO, TX | FOR THE ORGS CHARITABLE PURPOSES | $2,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| PATRICK WILLIAMSON | MANAGER | — | — |
| MICHAEL WILLIAMSON | VICE PRESIDE | — | — |
| RONN WILLIAMSON | SECRETARY/TR | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Williamson Foundation?
The Williamson Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN ANTONIO, TX. It holds $2.9M in total assets as of 2024.
How large is The Williamson Foundation?
As of 2024, The Williamson Foundation holds $2.9M in total assets with $279K in annual revenue. It awarded 19 grants totaling $97K in 2024.
Where does The Williamson Foundation operate?
The Williamson Foundation has awarded grants in California, Illinois, Kansas, Minnesota, New York, Texas, Wisconsin.
What size grants does The Williamson Foundation award?
In 2024, The Williamson Foundation awarded 19 grants totaling $97K — an average of about $5K per grant, based on its IRS Form 990 filings.
How much is The Williamson Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Williamson Foundation reported a distributable amount of $91K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Williamson Foundation's EIN?
The Williamson Foundation's EIN (Employer Identification Number) is 61-1805991. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Williamson Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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