Private Foundation

THE PREUSS FAMILY FOUNDATION

Based in LA JOLLA, CA, THE PREUSS FAMILY FOUNDATION operates as a Private Foundation. The organization reported $293K in revenue, $222K in expenses, $124K in total assets for fiscal year 2025. Imperigo tracks 47 reported grants from this foundation totaling approximately $1.7M.

EIN: 330229180 LA JOLLA, CA Latest filing: 2025
Total Revenue$293K
Total Expenses$222K
Total Assets$124K
Grants Given47
Grant Total$1.7M
Filing Years2021–2025

Sample Grants Given

THE PREUSS FOUNDATION INC
LA JOLLA, CA · 2025
TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH.
$50,000
THE PREUSS FOUNDATION INC
LA JOLLA, CA · 2025
TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH.
$29,666
THE PREUSS FOUNDATION INC
LA JOLLA, CA · 2025
TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH.
$25,234
THE PREUSS FOUNDATION INC
LA JOLLA, CA · 2025
TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH.
$25,000
THE PREUSS FOUNDATION INC
LA JOLLA, CA · 2025
TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH.
$23,925

Showing up to 5 of 47 total records — full history available with membership.

Officers & Directors

SECRETARY Peggy Preuss
PRESIDENT Peter G Preuss

Officer compensation and complete director data available with membership.

Top Grant Purposes

TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH.
$928,229 29 grants
TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH.
$736,701 18 grants

Financial Trends

Year Revenue Expenses Assets
2025 $293K $222K $124K
2024 $207K $197K $54K
2023 $156K $240K $44K
2022 $402K $297K $128K
2021 $315K $400K $22K

Between 2021 and 2025, reported annual revenue declined from $315K to $293K (-7%), with total assets most recently reported at $124K.

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

Grant Geography

Grants from this foundation were reported to recipients in CA.

CA

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

See the full picture for THE PREUSS FAMILY FOUNDATION

Complete financials, all 47 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports
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