A P Giannini Foundation
A P Giannini Foundation is a private foundation focused on Adults, based in SAN RAFAEL, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $28.1M in total assets. In 2024, it awarded 18 grants totaling $1.1M. Net investment income was $975K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$28.1M
+6.0% YoY
Annual Giving
$1.1M
+3.3% YoY
Grant Count
18
-5.3% YoY
Avg Grant Size
$62K
+9.1% YoY
Under IRS private-foundation payout rules, A P Giannini Foundation reported a distributable amount of $1.4M for 2024 — the minimum it must pay out in qualifying distributions.
About A P Giannini Foundation
Based on IRS filings
A P Giannini Foundation is a private foundation focused on Adults, based in SAN RAFAEL, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $28.1M in total assets. In 2024, it awarded 18 grants totaling $1.1M. Net investment income was $975K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $28,065,913 | $26,484,221 | $25,150,272 |
| Revenue | $1,328,839 | $1,375,199 | $992,112 |
| Expenses | $1,750,729 | $1,634,730 | $1,837,306 |
| Qualifying Distributions | $1,579,432 | $1,539,591 | $1,437,852 |
| Net Investment Income | $974,610 | $932,537 | $764,819 |
| Distributable Amount | $1,412,584 | $1,302,218 | $1,274,772 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
95 grants across all recorded years
Open Grants
1 open opportunity from A P Giannini Foundation
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Stanford University School of Medicine ($70,000), Stanford University School of Medicine ($70,000), Stanford University School of Medicine ($70,000).
| Recipient | Purpose | Amount |
|---|---|---|
| AP GIANNINI MIDDLE SCHOOL PTA SAN FRANCISCO, CA | FOR STUDENT AWARD PROGRAM AND PRODUCTION OF STUDENT-TEACHER BINDERS | $7,000 |
| DAVID GEFFEN SCHOOL OF MEDICINE AT UCLA LOS ANGELES, CA | FOR MEDICAL RESEARCH FELLOWSHIP-CAMPBELL | $62,000 |
| DAVID GEFFEN SCHOOL OF MEDICINE AT UCLA LOS ANGELES, CA | FOR MEDICAL RESEARCH FELLOWSHIP-RYAN | $62,000 |
| STANFORD UNIVERSITY SCHOOL OF MEDICINE PALO ALTO, CA | FOR MEDICAL RESEARCH FELLOWSHIP-BASTO | $70,000 |
| STANFORD UNIVERSITY SCHOOL OF MEDICINE PALO ALTO, CA | FOR MEDICAL RESEARCH FELLOWSHIP-CHANIN | $70,000 |
| STANFORD UNIVERSITY SCHOOL OF MEDICINE PALO ALTO, CA | FOR MEDICAL RESEARCH FELLOWSHIP-VAN EGEREN | $70,000 |
| STANFORD UNIVERSITY SCHOOL OF MEDICINE PALO ALTO, CA | FOR MEDICAL RESEARCH FELLOWSHIP-WALDMAN | $60,000 |
| STANFORD UNIVERSITY SCHOOL OF MEDICINE PALO ALTO, CA | FOR MEDICAL RESEARCH FELLOWSHIP-WANG | $62,000 |
| UC DAVIS SCHOOL OF MEDICINE SACRAMENTO, CA | FOR MEDICAL RESEARCH FELLOWSHIP-CARD | $62,000 |
| UC IRVINE SCHOOL OF MEDICINE IRVINE, CA | FOR MEDICAL RESEARCH FELLOWSHIP-YONAN | $70,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| CAROLINE O BOITANO | DIRECTOR | — | — |
| MIKE MANTLE | TREASURER | — | — |
| VIRGINIA HAMMERNESS | DIRECTOR | — | — |
| MARK C PERRY | CHAIRMAN | — | — |
| BRUCE U WINTROUB MD | DIRECTOR | — | — |
| KEITH GROSSMAN | DIRECTOR | — | — |
| JACK L MEYERS | VICE-CHAIRMAN | — | — |
| JOHN A RONCA | DIRECTOR | — | — |
| ANNE MCWILLIAMS | EMERITUS TRUSTEE | — | — |
| KEITH MCWILLIAMS | SECRETARY | — | — |
| SALLY GEIER | DIRECTOR | — | — |
| MARK CHAOMDPHD | DIRECTOR | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is A P Giannini Foundation?
A P Giannini Foundation is a private foundation focused on Adults, based in SAN RAFAEL, CA. It holds $28.1M in total assets as of 2024.
How large is A P Giannini Foundation?
As of 2024, A P Giannini Foundation holds $28.1M in total assets with $1.3M in annual revenue. It awarded 18 grants totaling $1.1M in 2024.
Where does A P Giannini Foundation operate?
A P Giannini Foundation has awarded grants in California.
What size grants does A P Giannini Foundation award?
In 2024, A P Giannini Foundation awarded 18 grants totaling $1.1M — an average of about $62K per grant, based on its IRS Form 990 filings.
How much is A P Giannini Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, A P Giannini Foundation reported a distributable amount of $1.4M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is A P Giannini Foundation's EIN?
A P Giannini Foundation's EIN (Employer Identification Number) is 94-6089512. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in A P Giannini Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.