Private Foundation

Halff Windham Foundation

Halff Windham Foundation, of Wilmington, DE, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $747K in revenue, $745K in expenses, $3.1M in total assets. IRS filings disclose 39 grants awarded by this foundation, totaling roughly $1.4M.

EIN: 832365293 Wilmington, DE Private Grantmaking Foundations NTEE: T20 Latest filing: 2025

Total Revenue$747K

Total Expenses$745K

Total Assets$3.1M

Grants Given39

Grant Total$1.4M

Filing Years2021–2025

Sample Grants Given

BAYARD RUSTIN CENTER FOR SOCIAL JUSTICE

PRINCETON, NJ · 2025

General & Unrestricted

$200,000

METROPOLITAN OPERA ASSOCIATION INC

NEW YORK, NY · 2025

The Transforming the Met Campaign / Access Opera: Guild Open Rehearsals for Students

$100,000

METROPOLITAN OPERA ASSOCIATION INC

NEW YORK, NY · 2025

New Production: The Amazing Adventures of Kavalier & Clay

$100,000

EARLHAM COLLEGE

RICHMOND, IN · 2025

For Good Campaign: The Clarence Cunningham Student Emergency Fund Endowment

$100,000

WOLF TRAP FOUNDATION FOR THE PERFORMING ARTS

VIENNA, VA · 2025

Creation of the Halff Windham Foundation Fund for Early Learning Through the Arts

$100,000

Showing up to 5 of 39 total records — full history available with membership.

Officers & Directors

Sec Charles R Windham

Dir, Pres, Treas Lawrence Halff

Officer compensation and complete director data available with membership.

Top Grant Purposes

General & Unrestricted

$301,000 19 grants

The Transforming the Met Campaign / Access Opera: Guild Open Rehearsals for Students

$200,000 2 grants

Creation of the Halff Windham Foundation Fund for Early Learning Through the Arts

$100,000 1 grant

For Good Campaign: The Clarence Cunningham Student Emergency Fund Endowment

$100,000 1 grant

Access Opera

$100,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$747K	$745K	$3.1M
2024	$976K	$337K	$3.1M
2023	$871K	$139K	$2.5M
2022	$897K	$136K	$1.7M
2021	$393K	$54K	$974K

Between 2021 and 2025, reported annual revenue grew from $393K to $747K (+90%), with total assets most recently reported at $3.1M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, CT, IN, MI, NJ, NY, and 2 other states.

CACTINMINJNYORVA

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

See the full picture for Halff Windham Foundation

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Sample Grants Given

Officers & Directors

Top Grant Purposes

Financial Trends

Grant Geography

Similar Organizations in DE

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