Private Foundation

Winslow Foundation

Winslow Foundation is a private foundation categorized as Private Foundation based in Wilmington, DE. Its most recent IRS filing (2024) reports revenue of $4.2M, expenses of $2.5M, total assets of $30.4M. Imperigo tracks 337 reported grants from this foundation totaling approximately $12.4M.

EIN: 222778703 Wilmington, DE Latest filing: 2024

Total Revenue$4.2M

Total Expenses$2.5M

Total Assets$30.4M

Grants Given337

Grant Total$12.4M

Filing Years2019–2024

Sample Grants Given

MOTHERS OUT FRONT INC

BOSTON, MA · 2024

General & Unrestricted

$250,000

JOHNS HOPKINS UNIVERSITY

BALTIMORE, MD · 2024

Planetary Health Alliance

$200,000

KEEP OUR REPUBLIC CHARITABLE FUND

NATL HARBOR, MD · 2024

General & Unrestricted

$175,000

CAMBRIDGE HEALTH ALLIANCE FOUNDATION INC

MALDEN, MA · 2024

Climate Health Organizing Fellows Program

$100,000

STANFORD UNIVERSITY

STANFORD, CA · 2024

Conservation Center for Biology

$100,000

Showing up to 5 of 337 total records — full history available with membership.

Officers & Directors

VP, Trustee, Treas Christopher Wirth

Trustee, Pres Kelsey Wirth

Sec, executive dir Morgan Mcmillan

Trustee Wren W Wirth

Officer compensation and complete director data available with membership.

Top Grant Purposes

General & Unrestricted

$6,319,900 199 grants

Planetary Health Alliance

$687,845 3 grants

Center for Conservation Biology

$400,000 4 grants

Eco-Accountability Project

$300,000 3 grants

Cascade Institute

$220,000 2 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$4.2M	$2.5M	$30.4M
2023	$1.3M	$2.4M	$28.6M
2022	$1.2M	$2.3M	$29.4M
2020	$5.8M	$2.7M	$29.4M
2019	$1.9M	$2.3M	$26.3M

Between 2019 and 2024, reported annual revenue grew from $1.9M to $4.2M (+125%), with total assets most recently reported at $30.4M.

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

Grant Geography

Grants from this foundation were reported to recipients in AZ, CA, CO, DC, GA, KY, and 4 other states.

AZCACODCGAKYLAMAMDME

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

See the full picture for Winslow Foundation

Complete financials, all 337 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