The Williamson Foundation

SAN ANTONIO, TX EIN: 61-1805991

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

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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Cities

AustinChicagoDallasLawrenceMadisonMinneapolisMoragaNew YorkPalm DesertRancho MirageSaint PaulSan AntonioSan Francisco

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$91K$182K$274K$365K20202021202220232024
Metric202420232022
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

$0$24K$49K$73K$97K19 grants202021 grants202119 grants202220 grants202319 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MINNESOTA ENVIRONMENTAL …$34KRANCHO MIRAGE WRITERS FE…$20KTEXAS PUBLIC RADIO$10KBRISCOE WESTERN ART MUSEUM$5KMCCALLUM THEATRE$5KKLRN$3KSAN ANTONIO CONSERVATION…$3KSAN ANTONIO BOTANCIAL GA…$3KMCNAY ART MUSEUM$3KFREEDOM FROM RELIGION FO…$2K

Grant Size Distribution

98 grants across all recorded years

98<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
PATRICK WILLIAMSONMANAGER
MICHAEL WILLIAMSONVICE PRESIDE
RONN WILLIAMSONSECRETARY/TR

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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