A P GIANNINI FOUNDATION

SAN RAFAEL, CA EIN 94-6089512 Philanthropy & GrantmakingT20 501C3 PRIVATE FOUNDATION

$2.0M

Revenue

Filings

$5.0M

Total Grants

100

Grant Records

Latest Financial Summary

Fiscal Year	Revenue	Expenses	Net Assets	Contributions
FY 2025	$2.0M	$1.9M	$28.7M	$168K

Full Financial History

See all 11 years of revenue, expenses, net assets, and more.

Unlock the full profile

Key Officers

MIKE MANTLE

TREASURER

VIRGINIA HAMMERNESS

DIRECTOR - (DEC'D 05/31/25)

MARK C PERRY

CHAIRMAN

Executive Compensation

View salary, bonus, and total compensation for all officers across all years.

Unlock the full profile

Top Grant Recipients (Teaser)

STANFORD UNIVERSITY SCHOOL OF MEDICINE $70K

UC SAN FRANCISCO SCHOOL OF MEDICINE $70K

UC IRVINE SCHOOL OF MEDICINE $70K

100 total grants · $5.0M total giving

Complete Grants Database

Search and filter all 100 grants with recipient EINs, purposes, and year-by-year breakdowns.

Unlock the full profile

Filing History

Period ended 2021-12-31

Period ended 2018-12-31

990PF

FY 2017

Period ended 2017-12-31

990PF

FY 2016

Period ended 2016-12-31

990PF

FY 2015

Period ended 2015-12-31

Similar Organizations Philanthropy & Grantmaking · CA

MILDRED E STEARNS FOUNDATION TRUST DTD 2-3-76 SAN FRANCISCO

PALM MAY STOUT-BROOKINGS TRUST VG-387 SAN RAFAEL

MORTDNER FLEISHHACKER FOUNDATION SAN FRANCISCO

WEED FOUNDATION INC LOS ANGELES

POINT FOUNDATION SAUSALITO

FLESCH FAMILY FOUNDATION PACIFIC PALISADES

Browse all nonprofits in CA → · Browse Philanthropy & Grantmaking →