The Williamson Foundation
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.
Key facts about The Williamson Foundation
- EIN
- 61-1805991
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $97,021
- Grants made (2024)
- 19
- Average grant
- $5,106
- Median grant
- $2,066
- New grantees (estimate)
- 11% first-time grantees (2 of 19, 2024)
- Total assets
- $2,910,273
- Primary geography
- Minnesota (35% of itemized 2024 grant dollars)
Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
Who The Williamson Foundation funds
By grant dollars, the top recipient states for The Williamson Foundation's 19 itemized 2024 grants were Minnesota (35%), Texas (34%) and California (26%). The most frequent recipient cities were San Antonio, TX (12 grants). None of its 19 grants with a stated purpose were described as general or operating support. Recurring purposes include "For the Orgs Charitable Purposes" (18 grants).
Is The Williamson Foundation open to new grantees?
11%
first-time grantees, 2024
In 2024, 2 of 19 grantees (11%) were first-time recipients. First grants averaged $550; repeat grants $6K. How we count
Medians: $550 first-time, $3K repeat.
- 84% of 2024 grantees were also funded in 2023. Method
- Giving grew 59% from 2021 to 2024. Method
- In 2024 it paid out 122% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized IRS Form 990-PF grant lists (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Next steps with The Williamson Foundation
- How to evaluate The Williamson Foundation as a funder
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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
Share of all 19 itemized 2024 grant dollars.
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 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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 recipients include Minnesota Environmental Partnership ($34,150), Rancho Mirage Writers Festival ($20,000), Texas Public Radio ($10,325).
| Recipient | Purpose | Amount |
|---|---|---|
| MINNESOTA ENVIRONMENTAL PARTNERSHIP Saint Paul, MN | FOR THE ORGS CHARITABLE PURPOSES | $34,150 |
| RANCHO MIRAGE WRITERS FESTIVAL Rancho Mirage, CA | FOR THE ORGS CHARITABLE PURPOSES | $20,000 |
| TEXAS PUBLIC RADIO San Antonio, TX | FOR THE ORGS CHARITABLE PURPOSES | $10,325 |
| BRISCOE WESTERN ART MUSEUM San Antonio, TX | FOR THE ORGS CHARITABLE PURPOSES | $5,149 |
| MCCALLUM THEATRE Palm Desert, CA | FOR THE ORGS CHARITABLE PURPOSES | $5,000 |
| KLRN San Antonio, TX | FOR THE ORGS CHARITABLE PURPOSES | $3,000 |
| 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 |
| MCNAY ART MUSEUM San Antonio, TX | FOR THE ORGS CHARITABLE PURPOSES | $2,500 |
| FREEDOM FROM RELIGION FOUNDATION Madison, WI | FOR THE ORGS CHARITABLE PURPOSES | $2,066 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
No officer or director reported compensation in the available filings.
From 2024 IRS 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.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings.