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Funding search · EIN 611805991 · San Antonio, TX

The Williamson Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

58
grants reported
$260,286
total given
2022–2024
filing years
$2,283
median grant

Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

orgschartiable

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

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Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • Minnesota Environmental Partnership2 grants · $54,650
  • Rancho Mirage Writers Festival2 grants · $40,000
  • Texas Public Radio3 grants · $28,325
  • Microgrants2 grants · $20,000
  • Lamorinda Soccer Club2 grants · $19,750
  • Briscoe Western Art Museum3 grants · $12,649
  • Kiva Microfunds2 grants · $12,000
  • McCallum Theatre2 grants · $10,000
  • Klrn3 grants · $8,000
  • San Antonio Conservation Society3 grants · $7,580

Giving over time

$77,950
2022
$85,315
2023
$97,021
2024

Grant history

All 58 reported grants, largest first.

  • $34,150

    Minnesota Environmental Partnership · Saint Paul, MN · 2024

    For the orgs charitable purposes

  • $20,500

    Minnesota Environmental Partnership · Saint Paul, MN · 2022

    For the orgs charitable purposes

  • $20,000

    Rancho Mirage Writers Festival · Rancho Mirage, CA · 2024

    For the orgs charitable purposes

  • $20,000

    Rancho Mirage Writers Festival · Rancho Mirage, CA · 2023

    For the orgs charitable purposes

  • $10,325

    Texas Public Radio · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $10,000

    Lamorinda Soccer Club · Moraga, CA · 2023

    For the orgs charitable purposes

  • $10,000

    Microgrants · Minneapolis, MN · 2023

    For the orgs charitable purposes

  • $10,000

    Texas Public Radio · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $10,000

    Microgrants · Minneapolis, MN · 2022

    For the orgs charitable purposes

  • $9,750

    Lamorinda Soccer Club · Moraga, CA · 2022

    For the orgs charitable purposes

  • $8,000

    Texas Public Radio · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $7,000

    Kiva Microfunds · San Francisco, CA · 2022

    For the orgs charitable purposes

  • $5,149

    Briscoe Western Art Museum · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $5,000

    McCallum Theatre · Palm Desert, CA · 2024

    For the orgs charitable purposes

  • $5,000

    Briscoe Western Art Museum · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $5,000

    Kiva Microfunds · San Francisco, CA · 2023

    For the orgs charitable purposes

  • $5,000

    McCallum Theatre · Palm Desert, CA · 2023

    For the orgs charitable purposes

  • $3,000

    Klrn · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $3,000

    Klrn · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $2,580

    San Antonio Conservation Society · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $2,500

    McNay Art Museum · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $2,500

    San Antonio Botancial Garden · San Antonio, TX · 2024

    For the orgs chartiable purposes

  • $2,500

    San Antonio Conservation Society · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $2,500

    McNay Art Museum · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $2,500

    San Antonio Botancial Garden · San Antonio, TX · 2023

    For the orgs chartiable purposes

  • $2,500

    Briscoe Western Art Museum · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $2,500

    McNay Art Museum · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $2,500

    San Antonio Botancial Garden · San Antonio, TX · 2022

    For the orgs chartiable purposes

  • $2,500

    San Antonio Conservation Society · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $2,066

    Freedom From Religion Foundation · Madison, WI · 2024

    For the orgs charitable purposes

  • $2,000

    Opera San Antonio · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $2,000

    Propublica Publisher'S Circle · New York, NY · 2024

    For the orgs charitable purposes

  • $2,000

    Hemisfair Conservancy · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $2,000

    Hemisfair Conservancy · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $2,000

    Klrn · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $2,000

    Samministries · San Antonio, TX · 2022

    For the orgs charitable purpose

  • $1,200

    The Witte Museum · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $1,200

    The Witte Museum · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $1,200

    The Witte Museum · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $1,035

    Propublica Publisher'S Circle · New York, NY · 2023

    For the orgs charitable purposes

  • $1,031

    Hemisfair Conservancy · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $1,000

    San Antonio Museum of Art · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $1,000

    San Pedro Playhouse · San Antonio, TX · 2024

    For the orgs charitable purposes

  • $1,000

    Texas State Historical Association · Austin, TX · 2024

    For the orgs charitable purposes

  • $1,000

    Freedom From Religion Foundation · Madison, WI · 2023

    For the orgs charitable purposes

  • $1,000

    Opera San Antonio · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $1,000

    San Antonio Museum of Art · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $1,000

    Texas State Historical Association · Austin, TX · 2023

    For the orgs charitable purposes

  • $1,000

    The Classic Threatre of San Antonio · San Antonio, TX · 2023

    For the orgs charitable purposes

  • $1,000

    Opera San Antonio · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $1,000

    Propublica Publisher'S Circle · New York, NY · 2022

    For the orgs charitable purposes

  • $1,000

    San Antonio Museum of Art · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $1,000

    Texas State Historical Association · Austin, TX · 2022

    For the orgs charitable purposes

  • $1,000

    The Classic Threatre of San Antonio · San Antonio, TX · 2022

    For the orgs charitable purposes

  • $500

    Kansas University Endowment · Lawrence, KS · 2024

    For the orgs charitable purposes

  • $500

    Kansas University Endowment · Lawrence, KS · 2023

    For the orgs charitable purposes

  • $500

    Kansas University Endowment · Lawrence, KS · 2022

    For the orgs charitable purposes

  • $100

    Little Flower Basilica · San Antonio, TX · 2024

    For the orgs charitable purposes

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.