The Jack & Valerie Guenther Foundation appears to focus heavily on San Antonio cultural and civic institutions, especially Western art, local history, and signature city attractions. Its largest grants support the Briscoe Western Art Museum, the San Antonio Zoo, and Alamo-related preservation groups, with additional gifts to a mix of Episcopal, educational, and research organizations. The foundation also makes a smaller cluster of values-aligned grants to conservative policy groups and a few biomedical and community organizations, suggesting a blend of local heritage, faith-based, and civic-minded philanthropy.
Highly concentrated giving with a few very large, repeated grants to core San Antonio institutions, supplemented by smaller one-off gifts to aligned cultural, faith-based, and ideological organizations.
Notable grantees: National Western Art Foundation / Briscoe Western Art Museum, San Antonio Zoo, Alamo Trust, Inc., Remember the Alamo Foundation, St. Luke's Episcopal Church
$5.2M
$56.5M
$9.7M
$5.6M
Most grants fall between $1K and $20K, with a median of $6K.
25th Percentile
$1K
Median
$6K
75th Percentile
$20K
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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 |
|---|---|---|---|---|
| San Antonio Zoo | San Antonio, TX | $2,010,000 | 2025 | — |
| National Western Art Foundation a/k/a Briscoe Western Art Museum | San Antonio, TX | $1,059,740 | 2025 | Monetary donations |
| National Western Art Foundation a/k/a Briscoe Western Art Museum | San Antonio, TX | $1,055,250 | 2025 | Donated artwork (description and appraisals attached on Statement 9) |
| CHRISTUS Children's Foundation | San Antonio, TX | $100,000 | 2025 | — |
| The Heritage Foundation | Washington, DC | $30,000 | 2025 | — |
| Sigma Chi Foundation | Evanston, IL | $25,200 | 2025 | — |
| Conservative Partnership Institute | Washington, DC | $20,000 | 2025 | — |
| Charity Ball Association of San Antonio | San Antonio, TX | $20,000 | 2025 | — |
| San Antonio Stock Show and Rodeo | San Antonio, TX | $20,000 | 2025 | — |
| San Antonio Public Library Foundation | San Antonio, TX | $20,000 | 2025 | — |
| Judicial Watch, Inc. | Washington, DC | $20,000 | 2025 | — |
| The Leadership Institute | Arlington, VA | $20,000 | 2025 | — |
| 2024 Medal of Honor Convention | San Antonio, TX | $20,000 | 2025 | — |
| Texas Biomedical Forum | San Antonio, TX | $20,000 | 2025 | — |
| St. Luke's Episcopal Church | San Antonio, TX | $15,000 | 2025 | — |
| Capital Research Center | Washington, DC | $15,000 | 2025 | — |
| United Way of San Antonio & Bexar County | San Antonio, TX | $15,000 | 2025 | — |
| Remember the Alamo Foundation | San Antonio, TX | $11,000 | 2025 | — |
| Turning Point USA | Phoenix, AZ | $10,000 | 2025 | — |
| Young America's Foundation | Reston, VA | $10,000 | 2025 | — |
| San Antonio Botanical Garden | San Antonio, TX | $10,000 | 2025 | — |
| Brighton Center | San Antonio, TX | $6,000 | 2025 | — |
| Mind Science Foundation | San Antonio, TX | $6,000 | 2025 | — |
| San Antonio Academy | San Antonio, TX | $5,000 | 2025 | — |
| The NRA Foundation | Fairfax, VA | $3,500 | 2025 | — |
| Texas Biomedical Research Institute | San Antonio, TX | $3,450 | 2025 | — |
| NuStar, LP | — | $2,502 | 2025 | — |
| Leija Family Foundation | San Antonio, TX | $1,750 | 2025 | — |
| American Museum of Natural History | New York, NY | $1,500 | 2025 | — |
| The Metropolitan Museum of Art | New York, NY | $1,200 | 2025 | — |
| Fifth Army Association | Shavano Park, TX | $1,000 | 2025 | — |
| Sweet Briar College | Sweer Briar, VA | $1,000 | 2025 | — |
| UT Health San Antonio | Fairfax, VA | $500 | 2025 | — |
| National Society United States Daughters of 1812 David Crockett Chapter | San Antonio, TX | $300 | 2025 | — |
| Alamo Heights School Foundation | San Antonio, TX | $200 | 2025 | — |
| Wounded Warrior Project | Topeka, KA | $200 | 2025 | — |
| National World War II Museum | New Orleans, LA | $200 | 2025 | — |
| The Battle of Flowers Association | San Antonio, TX | $100 | 2025 | — |
| Plains All American Pipeline | — | $90 | 2025 | — |
| Enterprise Products Partners | — | $21 | 2025 | — |
| National Western Art Foundation | San Antonio, TX | $1,016,160 | 2024 | 58,000 units Nustar Energy LP |
| National Western Art Foundation | San Antonio, TX | $1,006,750 | 2024 | Donated artwork (description and appraisals attached on Statement 10) |
| Alamo Trust, Inc. | San Antonio, TX | $1,000,000 | 2024 | — |
| Remember the Alamo Foundation | San Antonio, TX | $151,000 | 2024 | — |
| St. Luke's Episcopal Church | San Antonio, TX | $100,200 | 2024 | — |
| San Antonio Genealogical and Historical Society | San Antonio, TX | $100,000 | 2024 | — |
| Texas Biomedical Research Institute | San Antonio, TX | $88,450 | 2024 | — |
| National Western Art Foundation | San Antonio, TX | $51,800 | 2024 | Monetary donations |
| St. Maty's University | San Antonio, TX | $50,000 | 2024 | — |
| St. Luke's Episcopal School | San Antonio, TX | $27,000 | 2024 | — |
San Antonio Zoo
$2,010,000Monetary donations
Donated artwork (description and appraisals attached on Statement 9)
CHRISTUS Children's Foundation
$100,000San Antonio Stock Show and Rodeo
$20,0002024 Medal of Honor Convention
$20,000Texas Biomedical Forum
$20,000St. Luke's Episcopal Church
$15,000Turning Point USA
$10,000San Antonio Botanical Garden
$10,000Mind Science Foundation
$6,000San Antonio Academy
$5,000The NRA Foundation
$3,500NuStar, LP
$2,502Leija Family Foundation
$1,750Fifth Army Association
$1,000Sweet Briar College
$1,000UT Health San Antonio
$500National Society United States Daughters of 1812 David Crockett Chapter
$300Wounded Warrior Project
$200National World War II Museum
$200The Battle of Flowers Association
$100Plains All American Pipeline
$90Enterprise Products Partners
$21National Western Art Foundation
$1,006,750Donated artwork (description and appraisals attached on Statement 10)
Alamo Trust, Inc.
$1,000,000St. Luke's Episcopal Church
$100,200San Antonio Genealogical and Historical Society
$100,000St. Maty's University
$50,000St. Luke's Episcopal School
$27,000