The Winkler Family Foundation appears to prioritize environmental conservation and science-driven solutions, especially in Texas and around Austin, with frequent support for land, water, biodiversity, and nature-education organizations. It also funds a smaller but consistent set of local basic-needs and civic organizations, suggesting a blend of place-based environmental philanthropy and support for Austin community resilience. Several grantees receive repeat funding, indicating the foundation tends to build ongoing relationships with a core group of organizations rather than making one-off gifts.
Moderately concentrated giving with a strong core of repeat grantees; the foundation makes relatively large grants and often renews support for the same environmental and Austin-area nonprofits over multiple awards.
Notable grantees: Nature Conservancy of Texas, Waterloo Greenway Conservancy, West Cave Discovery Center, Mobile Loaves and Fishes, Brennan Center for Justice
$2.5M
$14.5M
$1.4M
$2.6M
Most grants fall between $15K and $50K, with a median of $25K.
25th Percentile
$15K
Median
$25K
75th Percentile
$50K
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2026
Source: IRS Form 990-PF, fiscal year 2026.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| UC Berkeley Foundation | Berkeley, CA | $200,000 | 2025 | General Charitable Purpose |
| Nature Conservancy of Texas | Arlington, VA | $125,000 | 2025 | General Charitable Purpose |
| Daughters for Earth | Seattle, WA | $100,000 | 2025 | General Charitable Purpose |
| West Cave Discovery Center | Round Mountain, TX | $90,000 | 2025 | General Charitable Purpose |
| Mobile Loaves and Fishes | Austin, TX | $75,000 | 2025 | General Charitable Purpose |
| Evergreen Austin | Austin, TX | $75,000 | 2025 | General Charitable Purpose |
| Science Literacy Project (Jon Entine) (GLP) | Johnson City, TX | $75,000 | 2025 | General Charitable Purpose |
| Families in Nature | Austin, TX | $70,000 | 2025 | General Charitable Purpose |
| Texas Tribune | Austin, TX | $50,000 | 2025 | General Charitable Purpose |
| Austin PBS KLRU | Austin, TX | $50,000 | 2025 | General Charitable Purpose |
| Island Conservancy | Santa Cruz, CA | $50,000 | 2025 | General Charitable Purpose |
| Brennan Center for Justice | New York, NY | $50,000 | 2025 | General Charitable Purpose |
| Texas Freedom Network Education Fund | Austin, TX | $50,000 | 2025 | General Charitable Purpose |
| University of Texas Biodiversity Center | Austin, TX | $50,000 | 2025 | General Charitable Purpose |
| University of Texas College of Natural Sciences | Austin, TX | $50,000 | 2025 | General Charitable Purpose |
| San Antonio Zoo Honed Lizard Reintroduction Project | San Antonio, TX | $50,000 | 2025 | General Charitable Purpose |
| Meadows Center for Water and the Environment | San Marcos, TX | $50,000 | 2025 | General Charitable Purpose |
| Seva Foundation | Berkeley, CA | $50,000 | 2025 | General Charitable Purpose |
| Fistula Foundation | San Jose, CA | $50,000 | 2025 | General Charitable Purpose |
| Waterloo Greenway Conservancy | Austin, TX | $50,000 | 2025 | General Charitable Purpose |
| Central Texas Food Bank | Austin, TX | $40,000 | 2025 | General Charitable Purpose |
| University of Texas - KUT | Austin, TX | $40,000 | 2025 | General Charitable Purpose |
| Caritas of Austin | Austin, TX | $40,000 | 2025 | General Charitable Purpose |
| University of Texas - Freshman Research Initiative | Austin, TX | $35,000 | 2025 | General Charitable Purpose |
| The Other Ones Foundation | Austin, TX | $30,000 | 2025 | General Charitable Purpose |
| Oxfam America | Boston, MA | $30,000 | 2025 | General Charitable Purpose |
| World Central Kitchen Inc | Washington, DC | $30,000 | 2025 | General Charitable Purpose |
| Austin PBS ACL | Austin, TX | $26,000 | 2025 | General Charitable Purpose |
| Hill Country Alliance | Austin, TX | $25,000 | 2025 | General Charitable Purpose |
| Texas Water Trade | Austin, TX | $25,000 | 2025 | General Charitable Purpose |
| Austin Youth River Watch | Austin, TX | $25,000 | 2025 | General Charitable Purpose |
| Breakthrough, Central Texas (Carolyn Long on Board) | Austin, TX | $25,000 | 2025 | General Charitable Purpose |
| Texas Campaign for the Environment Fund | Austin, TX | $25,000 | 2025 | General Charitable Purpose |
| Amnesty International USA | New York, NY | $25,000 | 2025 | General Charitable Purpose |
| Rainforest Partnership (Niyanta Spelman) | Austin, TX | $25,000 | 2025 | General Charitable Purpose |
| Texas Children in Nature Network | Manchaca, TX | $25,000 | 2025 | General Charitable Purpose |
| FIRE | Philadelphia, PA | $20,000 | 2025 | General Charitable Purpose |
| Meals on Wheels Central Texas | Austin, TX | $20,000 | 2025 | General Charitable Purpose |
| Information Technology & Innovation Foundation | Washington, DC | $20,000 | 2025 | General Charitable Purpose |
| Explore Austin | Austin, TX | $20,000 | 2025 | General Charitable Purpose |
| Jeremiah Program | Austin, TX | $15,000 | 2025 | General Charitable Purpose |
| National Wildlife Federation | Austin, TX | $15,000 | 2025 | General Charitable Purpose |
| Brackenridge Park Conservancy /Monarch Butterfly & Pollinator Festival/ M. Maecde | San Antonio, TX | $15,000 | 2025 | General Charitable Purpose |
| Common Cause Educational Fund | Washington, DC | $15,000 | 2025 | General Charitable Purpose |
| Travis Audubon | Austin, TX | $15,000 | 2025 | General Charitable Purpose |
| Shield Ranch | Austin, TX | $15,000 | 2025 | General Charitable Purpose |
| Hill Country Conservancy | Austin, TX | $15,000 | 2025 | General Charitable Purpose |
| UT Austin Wildflower Center | Austin, TX | $15,000 | 2025 | General Charitable Purpose |
| Travis County Parks Foundation | Austin, TX | $10,000 | 2025 | General Charitable Purpose |
| Comal County Conservation Alliance Inc | New Braunfels, TX | $10,000 | 2025 | General Charitable Purpose |
UC Berkeley Foundation
$200,000General Charitable Purpose
Daughters for Earth
$100,000General Charitable Purpose
West Cave Discovery Center
$90,000General Charitable Purpose
Evergreen Austin
$75,000General Charitable Purpose
Science Literacy Project (Jon Entine) (GLP)
$75,000General Charitable Purpose
Families in Nature
$70,000General Charitable Purpose
Austin PBS KLRU
$50,000General Charitable Purpose
Island Conservancy
$50,000General Charitable Purpose
Brennan Center for Justice
$50,000General Charitable Purpose
University of Texas Biodiversity Center
$50,000General Charitable Purpose
University of Texas College of Natural Sciences
$50,000General Charitable Purpose
San Antonio Zoo Honed Lizard Reintroduction Project
$50,000General Charitable Purpose
Meadows Center for Water and the Environment
$50,000General Charitable Purpose
University of Texas - KUT
$40,000General Charitable Purpose
University of Texas - Freshman Research Initiative
$35,000General Charitable Purpose
Austin PBS ACL
$26,000General Charitable Purpose
Texas Children in Nature Network
$25,000General Charitable Purpose
Meals on Wheels Central Texas
$20,000General Charitable Purpose
Explore Austin
$20,000General Charitable Purpose
Jeremiah Program
$15,000General Charitable Purpose
National Wildlife Federation
$15,000General Charitable Purpose
General Charitable Purpose
Travis Audubon
$15,000General Charitable Purpose
Shield Ranch
$15,000General Charitable Purpose
UT Austin Wildflower Center
$15,000General Charitable Purpose
Travis County Parks Foundation
$10,000General Charitable Purpose
Comal County Conservation Alliance Inc
$10,000General Charitable Purpose