Funding search · EIN 136279580 · Mill Valley, CA

Ariowitsch Family Foundation

Name: Ariowitsch 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.

47
grants reported: $209,000
total given: 2022–2025
filing years: $1,000
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.

What they fund

education environmental environment arts conservation humanitarian scholarship

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.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

The Nature Conservancy4 grants · $117,500
American Friends of the Hebrew Univ3 grants · $22,000
The Living Desert4 grants · $13,000
Marin Mountessori School2 grants · $10,000
The Community Foundation4 grants · $9,000
Uc Berkeley Foundation4 grants · $8,000
Headlands Center for Arts4 grants · $7,500
Drexel University2 grants · $6,000
Washington University4 grants · $4,000
Union of Concerned Scientists2 grants · $2,000

Giving over time

$45,000

2022

$50,000

2023

$54,000

2024

$60,000

2025

Grant history

All 47 reported grants, largest first.

$32,500
The Nature Conservancy · San Francisco, CA · 2023
Conservation
$30,000
The Nature Conservancy · San Francisco, CA · 2025
Conservation
$29,000
The Nature Conservancy · San Francisco, CA · 2024
Conservation
$26,000
The Nature Conservancy · San Francisco, CA · 2022
Conservation
$12,000
American Friends of the Hebrew Univ · New York City, NY · 2022
Scholarship
$10,000
The Living Desert · Palm Desert, CA · 2023
Education
$5,000
American Friends of the Hebrew Univ · New York City, NY · 2025
Scholarship
$5,000
Headlands Center for Arts · Sausalito, CA · 2025
Education
$5,000
Marin Mountessori School · Corte Madera, CA · 2025
Education
$5,000
American Friends of the Hebrew Univ · New York City, NY · 2024
Scholarship
$5,000
Drexel University · Philadelphia, PA · 2024
Education
$5,000
Marin Mountessori School · Corte Madera, CA · 2024
Education
$3,000
The Community Foundation · Boulder, CO · 2025
Arts education, environment, humanitarian
$2,000
Uc Berkeley Foundation · Berkeley, CA · 2025
Education
$2,000
The Community Foundation · Boulder, CO · 2024
Arts education, environment, humanitarian
$2,000
Uc Berkeley Foundation · Berkeley, CA · 2024
Education
$2,000
The Community Foundation · Boulder, CO · 2023
Arts education, environment, humanitarian
$2,000
Uc Berkeley Foundation · Berkeley, CA · 2023
Education
$2,000
The Community Foundation · Boulder, CO · 2022
Arts education, environment, humanitarian
$2,000
Uc Berkeley Foundation · Berkeley, CA · 2022
Education
$1,500
Environmental Defense Fund · San Francisco, CA · 2025
Environmental
$1,500
Union of Concerned Scientists · Cambridge, MA · 2025
Education
$1,500
Yellowstone To Yukon · Bozeman, MT · 2025
Education
$1,000
Earth Justice · San Francisco, CA · 2025
Environmental
$1,000
Nrdc · San Francisco, CA · 2025
Environmental
$1,000
The Living Desert · Palm Desert, CA · 2025
Education
$1,000
Washington University · St Louis, MO · 2025
Education
$1,000
Headlands Center for Arts · Sausalito, CA · 2024
Education
$1,000
The Living Desert · Palm Desert, CA · 2024
Education
$1,000
Washington University · St Louis, MO · 2024
Education
$1,000
Drexel University · Philadelphia, PA · 2023
Education
$1,000
Headlands Center for Arts · Sausalito, CA · 2023
Education
$1,000
Washington University · St Louis, MO · 2023
Education
$1,000
The Living Desert · Palm Desert, CA · 2022
Education
$1,000
Washington University · St Louis, MO · 2022
Education
$500
Island Conservation · Santa Cruz, CA · 2025
Environment
$500
Nature Is Sacred · San Diego, CA · 2025
Environmental
$500
Rainforest Action Network · San Francisco, CA · 2025
Environment
$500
Environmental Defense Fund · San Francisco, CA · 2024
Environmental
$500
Nature Is Sacred · San Diego, CA · 2024
Environmental
$500
Nrdc · San Francisco, CA · 2024
Environmental
$500
Rainforest Action Network · San Francisco, CA · 2024
Environment
$500
Sierra Club Foundation · Oakland, CA · 2024
Environmental
$500
Union of Concerned Scientists · Cambridge, MA · 2024
Education
$500
Nature Is Sacred · San Diego, CA · 2023
Environmental
$500
Headlands Center for Arts · Sausalito, CA · 2022
Education
$500
Nature Is Sacred · San Diego, CA · 2022
Environmental

Who else funds this kind of work

Same state

Tides Foundation9,402 grants · $1.86B
UCLA Foundation276 grants · $1.75B

Similar purposes

Silicon Valley Community Foundation10,471 grants · $10.10B
Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
Bill & Melinda Gates Foundation13,441 grants · $18.24B

Similar grant size

Shell USA Company Foundation24,663 grants · $80.1M
The Bank of America Charitable87,335 grants · $496.1M
Jpmorgan Chase Foundation29,571 grants · $637.4M

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.