Private Foundation

THE HEISING-SIMONS FOUNDATION

THE HEISING-SIMONS FOUNDATION is a private foundation categorized as Private Foundation based in LOS ALTOS, CA. Its most recent IRS filing (2024) reports revenue of $60.0M, expenses of $193.1M, total assets of $810.5M. Imperigo tracks 3,711 reported grants from this foundation totaling approximately $831.0M.

EIN: 260799587 LOS ALTOS, CA Latest filing: 2024
Total Revenue$60.0M
Total Expenses$193.1M
Total Assets$810.5M
Grants Given3,711
Grant Total$831.0M
Filing Years2019–2024

Sample Grants Given

ENVIRONMENTAL DEFENSE FUND INC
SAN FRANCISCO, CA · 2024
TO ADVANCE CLIMATE AND CLEAN ENERGY POLICIES
$3,600,000
NATURAL RESOURCES DEFENSE COUNCIL
SAN FRANCISCO, CA · 2024
TO ADVANCE CLIMATE AND CLEAN ENERGY POLICIES
$3,300,000
AMALGAMATED CHARITABLE FOUNDATION
WASHINGTON, DC · 2024
FOR THE DEMOCRACY FRONTLINES FUND
$2,061,856
GLOBAL IMPACT
ALEXANDRIA, VA · 2024
FOR THE EMERGING BILINGUAL COLLABORATIVE
$2,000,000
NATIONAL ASSOCIATION FOR FAMILY SCHOOL AND COMMUNITY ENGAGEMENT
ALEXANDRIA, VA · 2024
FOR THE CENTER FOR FAMILY MATH
$1,900,000

Showing up to 5 of 3,711 total records — full history available with membership.

Officers & Directors

VICE CHAIR OF THE BOARD Caitlin Heising
SECRETARY Chelsey Scaffidi
CHAIR OF THE BOARD Elizabeth D Simons
SEC (THRU 7/8/24), INTERIM CEO & PRES Jennifer Shipp
TREASURER (THRU 1/7/24), FINANCE DIR Judy Blumenstein
CHIEF FINANCIAL OFFICER/TREASURER Kevin Luu

Officer compensation and complete director data available with membership.

Top Grant Purposes

FOR GENERAL SUPPORT
$144,843,737 721 grants
TO ADVANCE CLIMATE AND CLEAN ENERGY POLICIES
$26,390,000 9 grants
GENERAL SUPPORT
$13,450,000 109 grants
FOR THE 51 PEGASI B FELLOWSHIP
$10,242,781 91 grants
FOR THE DEVELOPMENT AND RESEARCH IN EARLY MATHEMATICS EDUCATION (DREME) NETWORK
$5,250,000 1 grant

Financial Trends

Year Revenue Expenses Assets
2024 $60.0M $193.1M $810.5M
2023 $152.1M $189.5M $872.1M
2022 $430.1M $177.0M $847.2M
2020 $190.7M $148.9M $753.0M
2019 $130.3M $128.9M $592.4M

Between 2019 and 2024, reported annual revenue declined from $130.3M to $60.0M (-54%), with total assets most recently reported at $810.5M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AL, AR, AZ, CA, CO, CT, and 4 other states.

ALARAZCACOCTDCDEFLGA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for THE HEISING-SIMONS FOUNDATION

Complete financials, all 3,711 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

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