Data / Foundation grants / Winiarski Family Foundation
Winiarski Family Foundation: 3 grants to organizations, $43.1 million (tax year ended December 2025)
Winiarski Family Foundation, a private foundation in Yountville, CA, paid 3 grants to organizations totaling $43,067,701 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 12, 2026. The largest was $37,500,000 to St Johns College in Santa Fe, NM for financial support for the organization.
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- EIN
- 260474242
- Based in
- Yountville, CA
- Assets
- $1,658,682
- Grants paid
- $43,067,701
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 12, 2026, IRS object ID 202621329349100622. It reported $43,067,701 in grants paid; 3 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| St Johns College | Santa Fe, NM | Financial support for the organization | $37,500,000 | apps.irs.gov | |
| Smithsonian Institution | Washington, DC | Financial support for the organization | $3,121,614 | apps.irs.gov | |
| Uc Davis Foundation | Davis, CA | Financial support for the organization | $2,446,087 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed October 30, 2025, IRS object ID 202513039349101706. It reported $14,206,820 in grants paid; 6 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| St Johns College | Santa Fe, NM | Financial support for the organization | $12,500,000 | apps.irs.gov | |
| Queen of the Valley Medical Center FNDN | Napa, CA | Financial support for the organization | $1,579,500 | apps.irs.gov | |
| Uc Davis Foundation | Davis, CA | Financial support for the organization | $53,000 | apps.irs.gov | |
| Smithsonian Institution | Washington DC, DC | Financial support for the organization | $50,000 | apps.irs.gov | |
| Colorado Mesa University Foundation | Grand Junction, CO | Financial support for the organization | Education | $15,420 | apps.irs.gov |
| Edward Charles Foundation | Beverly Hills, CA | Financial support for the organization | Human services | $8,900 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $15,420 |
| Human services | $8,900 |
States funded
| Recipient state | Granted |
|---|---|
| New Mexico | $50,000,000 |
| California | $4,087,487 |
| District of Columbia | $3,171,614 |
| Colorado | $15,420 |
Also on SpecStream
Updated May 12, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.