Private Foundation

Three Guineas Fund

Three Guineas Fund is a private foundation categorized as Private Foundation based in San Francisco, CA. Its most recent IRS filing (2025) reports revenue of $41, expenses of $16K, total assets of $482K. Imperigo tracks 33 reported grants from this foundation totaling approximately $3.3M.

EIN: 943215954 San Francisco, CA Latest filing: 2025
Total Revenue$41
Total Expenses$16K
Total Assets$482K
Grants Given33
Grant Total$3.3M
Filing Years2021–2025

Sample Grants Given

TIDES FOUNDATION
SAN FRANCISCO, CA · 2022
THREE GUINEAS FUND DAF
$1,115,626
TIDES FOUNDATION
LOS ANGELES, CA · 2021
TO SET UP 3GF DAF
$1,414,299
GOLDENROD FOUNDATION
PLYMOUTH, MA · 2021
GENERAL OPERATING SUPPPORT
$30,000
MAGNUM FOUNDATION
NEW YORK, NY · 2021
GENERAL OPERATING SUPPORT
$20,000
ASTIA
SAN FRANCISCO, CA · 2021
GENERAL OPERATING SUPPORT
$10,000

Showing up to 5 of 33 total records — full history available with membership.

Officers & Directors

Founder & President Catherine S Muther
Director Margaret Leahy

Officer compensation and complete director data available with membership.

Top Grant Purposes

TO SET UP 3GF DAF
$1,414,299 1 grant
THREE GUINEAS FUND DAF
$1,115,626 1 grant
GENERAL OPERATING SUPPORT
$336,500 24 grants
DONOR ADVISED FUND
$238,882 2 grants
GENERAL OPERATING SUPPPORT
$145,000 4 grants

Financial Trends

Year Revenue Expenses Assets
2025 $41 $16K $482K
2024 $4K $26K $495K
2023 $6K $15K $518K
2022 $5K $1.1M $527K
2021 $47K $1.6M $1.6M

Between 2021 and 2025, reported annual revenue declined from $47K to $41 (-100%), with total assets most recently reported at $482K.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, DC, MA, NY, OH, OR.

CADCMANYOHOR

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

See the full picture for Three Guineas Fund

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