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 20222025. 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

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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.