Funding search · EIN 260474242 · Yountville, CA

Winiarski Family Foundation

Name: Winiarski Family Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

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

78
grants reported: $62.2M
total given: 2022–2025
filing years: $20,000
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

financial barbara center diagnostic stroke winiarski

Full IRS filings ↗How this is built Report an error

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.

1 grant matching “winiarski” · $3.5M

$3.5M
Queen of the Valley Medical Center Fndn · Napa, CA · 2023
Barbara winiarski stroke and diagnostic center

Top recipients

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

St Johns College4 grants · $50.0M
Queen of the Valley Medical Center Fndn3 grants · $5.1M
Smithsonian Institution3 grants · $3.2M
Uc Davis Foundation3 grants · $2.6M
All Saints Cathedral Parish1 grant · $101,000
Save Napa Valley Foundation2 grants · $100,000
News2 grants · $70,000
Claremont Institute2 grants · $60,000
Veterans Home of Ca2 grants · $60,000
University of Chicago1 grant · $60,000

Giving over time

$929,344

2022

$4.0M

2023

$14.2M

2024

$43.1M

2025

Grant history

All 78 reported grants, largest first.

$37.5M
St Johns College · Santa Fe, NM · 2025
Financial support for the organization
$12.5M
St Johns College · Santa Fe, NM · 2024
Financial support for the organization
$3.5M
Queen of the Valley Medical Center Fndn · Napa, CA · 2023
Barbara winiarski stroke and diagnostic center
$3.1M
Smithsonian Institution · Washington, DC · 2025
Financial support for the organization
$2.4M
Uc Davis Foundation · Davis, CA · 2025
Financial support for the organization
$1.6M
Queen of the Valley Medical Center Fndn · Napa, CA · 2024
Financial support for the organization
$101,000
All Saints Cathedral Parish · Chicago, IL · 2022
Financial support for the organization
$90,000
Queen of the Valley Medical Center Fndn · Napa, CA · 2022
Financial support for the organization
$61,614
Uc Davis Foundation · Davis, CA · 2023
Financial support for the organization
$60,000
University of Chicago · Chicago, IL · 2022
Financial support for the organization
$53,000
Uc Davis Foundation · Davis, CA · 2024
Financial support for the organization
$50,000
Smithsonian Institution · Washington Dc, DC · 2024
Financial support for the organization
$50,000
Save Napa Valley Foundation · Angwin, CA · 2023
Financial support for the organization
$50,000
Save Napa Valley Foundation · Angwin, CA · 2022
Financial support for the organization
$50,000
Smithsonian Institution · Washington, DC · 2022
Financial support for the organization
$35,000
News · Napa, CA · 2023
Financial support for the organization
$35,000
News · Napa, CA · 2022
Financial support for the organization
$30,000
Claremont Institute · Claremont, CA · 2023
Financial support for the organization
$30,000
Veterans Home of Ca · Yountville, CA · 2023
Financial support for the organization
$30,000
Claremont Institute · Claremont, CA · 2022
Financial support for the organization
$30,000
Veterans Home of Ca · Yountville, CA · 2022
Financial support for the organization
$25,000
Napa Valley College Foundation · Napa, CA · 2023
Financial support for the organization
$25,000
American Red Cross · St Helena, CA · 2022
Financial support for the organization
$25,000
Land Trust of Napa County · Napa, CA · 2022
Financial support for the organization
$25,000
Napa City-County Public Library · Napa, CA · 2022
Financial support for the organization
$25,000
Napa Valley College Foundation · Napa, CA · 2022
Financial support for the organization
$20,000
Aldea · Napa, CA · 2023
Financial support for the organization
$20,000
Chesapeake Bay Foundation · Annapolis, MD · 2023
Financial support for the organization
$20,000
Cope Family Center · Napa, CA · 2023
Financial support for the organization
$20,000
Kolbe Academy & Trinity Prep · Napa, CA · 2023
Financial support for the organization
$20,000
Martha'S Vineyard Fishermen Pres Trust · Menemsha, MA · 2023
Financial support for the organization
$20,000
National Association of Scholars · Princeton, NJ · 2023
Financial support for the organization
$20,000
St Johns College · Santa Fe, NM · 2023
Financial support for the organization
$20,000
Statue of Liberty-Ellis Island Foundation · New York, NY · 2023
Financial support for the organization
$20,000
Aldea · Napa, CA · 2022
Financial support for the organization
$20,000
Chesapeake Bay Foundation · Annapolis, MD · 2022
Financial support for the organization
$20,000
Cope Family Center · Napa, CA · 2022
Financial support for the organization
$20,000
Kolbe Academy & Trinity Prep · Napa, CA · 2022
Financial support for the organization
$20,000
Martha'S Vineyard Fishermen Pres Trust · Menemsha, MA · 2022
Financial support for the organization
$20,000
National Association of Scholars · Princeton, NJ · 2022
Financial support for the organization
$20,000
Pacific Research Institute · San Francisco, CA · 2022
Financial support for the organization
$20,000
St Johns College · Santa Fe, NM · 2022
Financial support for the organization
$20,000
Statue of Liberty-Ellis Island Foundation · New York, NY · 2022
Financial support for the organization
$15,420
Colorado Mesa University Foundation · Grand Junction, CO · 2024
Financial support for the organization
$15,000
Animal Refuge League of Greater Portland · Westbrook, ME · 2023
Financial support for the organization
$15,000
Manhattan Institute · New York, NY · 2023
Financial support for the organization
$15,000
Napa Valley Wine Library Association · St Helena, CA · 2023
Financial support for the organization
$15,000
Animal Refuge League of Greater Portland · Westbrook, ME · 2022
Financial support for the organization
$15,000
Damian Maldonado Memorial Foundation · St Helena, CA · 2022
Financial support for the organization
$15,000
Haitian Education & Leadership Program · New York, NY · 2022
Financial support for the organization
$15,000
Manhattan Institute · New York, NY · 2022
Financial support for the organization
$15,000
Napa Valley Museum · Yountville, CA · 2022
Financial support for the organization
$15,000
Napa Valley Wine Library Association · St Helena, CA · 2022
Financial support for the organization
$15,000
National Museum of American History · Washington, DC · 2022
Financial support for the organization
$10,000
Damian Maldonado Memorial Foundation · St Helena, CA · 2023
Financial support for the organization
$10,000
Judical Watch · Washington, DC · 2023
Financial support for the organization
$10,000
Lane Tech Alumni Association · Chicago, IL · 2023
Financial support for the organization
$10,000
National Museum of American History · Washington, DC · 2023
Financial support for the organization
$10,000
Wildlife Rescue Center of Napa County · Napa, CA · 2023
Financial support for the organization
$10,000
Feeding It Forward · Napa, CA · 2022
Financial support for the organization
$10,000
Judical Watch · Washington, DC · 2022
Financial support for the organization
$10,000
Lane Tech Alumni Association · Chicago, IL · 2022
Financial support for the organization
$10,000
Napa County Regional Park & Open Space · Napa, CA · 2022
Financial support for the organization
$10,000
St Gregory of Sinai Monastery · Kelseyville, CA · 2022
Financial support for the organization
$10,000
Wildlife Rescue Center of Napa County · Napa, CA · 2022
Financial support for the organization
$8,900
Edward Charles Foundation · Beverly Hills, CA · 2024
Financial support for the organization
$7,400
Colorado Mesa University Foundation · Grand Junction, CO · 2023
Financial support for the organization
$7,344
Colorado Mesa University Foundation · Grand Junction, CO · 2022
Financial support for the organization
$6,000
Friends of the Smithsonian · Washington, DC · 2022
Financial support for the organization
$5,000
Polish Arts and Culture Foundation · Oakland, CA · 2023
Financial support for the organization
$5,000
St Helena Rotary Foundation · St Helena, CA · 2023
Financial support for the organization
$5,000
Yountville Friends of the Library · Yountville, CA · 2023
Financial support for the organization
$5,000
Mdsc Boy Scouts of America · Pleasant Hill, CA · 2022
Financial support for the organization
$5,000
Polish Arts and Culture Foundation · Oakland, CA · 2022
Financial support for the organization
$5,000
The Salvation Army · Napa, CA · 2022
Financial support for the organization
$5,000
Veterans of Foreign Wars · Topeka, KS · 2022
Financial support for the organization
$5,000
Yountville Friends of the Library · Yountville, CA · 2022
Financial support for the organization
$1,000
Friends of the Smithsonian · Washington, DC · 2023
Financial support for the organization

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

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.