Funding search · EIN 943306221 · San Francisco, CA
William E and Aenid R Weisgerber
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 24
- grants reported
- $1.2M
- total given
- 2022–2025
- filing years
- $32,500
- 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.
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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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8 grants matching “diabetes” · $535,600
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2025
Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project
- $60,000
Diabetes Youth Families · Concord, CA · 2025
General support
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2024
Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project
- $50,000
Diabetes Youth Families · Concord, CA · 2024
General organization support
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2023
Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project
- $40,000
Diabetes Youth Families · Concord, CA · 2023
General organization support
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2022
Support the Functional Near-Infrared Spectroscopy of the Brain in Youth with Type 1 Diabetes R&D project
- $40,000
Diabetes Youth Families · Concord, CA · 2022
General organization support
Grant history
All 24 reported grants, largest first.
- $160,000
California Pacific Medical Center Foundation · San Francisco, CA · 2025
Support the Weisgerber Cardiology Support Fund, SPF No. 20530
- $150,000
California Pacific Medical Center Foundation · San Francisco, CA · 2024
Support the Weisgerber Cardiology Support Fund, SPF No. 20530
- $150,000
California Pacific Medical Center Foundation · San Francisco, CA · 2023
Support the Weisgerber Cardiology Support Fund, SPF No. 20530
- $150,000
California Pacific Medical Center Foundation · San Francisco, CA · 2022
Support the Weisgerber Cardiology Support Fund, SPF No. 20530
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2025
Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2024
Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2023
Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project
- $86,400
Lucile Packard Foundation for Children'S Health · Palo Alto, CA · 2022
Support the Functional Near-Infrared Spectroscopy of the Brain in Youth with Type 1 Diabetes R&D project
- $60,000
Diabetes Youth Families · Concord, CA · 2025
General support
- $50,000
Diabetes Youth Families · Concord, CA · 2024
General organization support
- $40,000
Diabetes Youth Families · Concord, CA · 2023
General organization support
- $40,000
Diabetes Youth Families · Concord, CA · 2022
General organization support
- $25,000
American Red Cross · San Francisco, CA · 2025
Support the Emergency Response Fund for victims of the Southern California wildfires
- $10,000
Sacred Heart Schools · Atherton, CA · 2024
Support the organization's Annual Fund - Financial Aid
- $10,000
Sacred Heart Schools · Atherton, CA · 2023
Support the organization's Annual Fund - Financial Aid
- $10,000
Sacred Heart Schools · San Francisco, CA · 2022
Support the organization's Annual Fund - Financial Aid
- $5,000
Classical California Kdfc · Los Angeles, CA · 2025
General support
- $5,000
Dream Volunteers · Mountain View, CA · 2025
Support funding of scholarships for students in Guatemala, Costa Rica, Ghana, Vietnam and India who have limited access to education
- $5,000
Kqed · City of Industry, CA · 2025
General support
- $5,000
Partners in Health · Frederick, MD · 2025
Support for children in Haiti suffering from malnutrition
- $5,000
San Francisco Chamber of Commerce Foundation · San Francisco, CA · 2025
Support the Job Forum program
- $5,000
American Red Cross · San Francisco, CA · 2024
Support the Emergency Response Fund
- $5,000
American Red Cross · Boone, IA · 2023
Support "Southern Tornadoes & Storms - Help people affected by the tornadoes and storms in the South"
- $5,000
St Anne School · San Francisco, CA · 2022
General support of organization
Who else funds this kind of work
Same state
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
- UCLA Foundation276 grants · $1.75B
Similar grant size
- Ohio Child Care Resource and Referral16,278 grants · $1.08B
- Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
- The Chicago Community Trust14,939 grants · $5.82B
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 oneSource: 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.

