Funding search · EIN 330229180 · La Jolla, CA

The Preuss Family Foundation

Name: The Preuss Family Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

23
grants reported: $763,229
total given: 2022–2025
filing years: $28,639
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

Funder website ↗Full IRS filings ↗How this is built Report an error

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.

23 grants matching “tumor” · $763,229

$50,000
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,666
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$25,234
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$25,000
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$23,925
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$23,326
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$20,000
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$70,000
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,939
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,442
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$28,868
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$15,000
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$14,975
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$5,000
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$79,702
The Preuss Foundation · La Jolla, CA · 2023
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$30,000
The Preuss Foundation · La Jolla, CA · 2023
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$28,639
The Preuss Foundation · La Jolla, CA · 2023
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$100,000
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$30,000
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,876
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$26,256
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$25,000
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$23,381
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.

Grant history

All 23 reported grants, largest first.

$100,000
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$79,702
The Preuss Foundation · La Jolla, CA · 2023
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$70,000
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$50,000
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$30,000
The Preuss Foundation · La Jolla, CA · 2023
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$30,000
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,939
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,876
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,666
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$29,442
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$28,868
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$28,639
The Preuss Foundation · La Jolla, CA · 2023
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$26,256
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$25,234
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$25,000
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$25,000
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$23,925
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$23,381
The Preuss Foundation · La Jolla, CA · 2022
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$23,326
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$20,000
The Preuss Foundation · La Jolla, CA · 2025
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$15,000
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$14,975
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.
$5,000
The Preuss Foundation · La Jolla, CA · 2024
To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research.

Who else funds this kind of work

Same state

Silicon Valley Community Foundation10,471 grants · $10.10B
Tides Foundation9,402 grants · $1.86B
UCLA Foundation276 grants · $1.75B

Similar grant size

The Ayco Charitable Foundation15,303 grants · $2.05B
Ohio Child Care Resource and Referral16,278 grants · $1.08B
Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

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.