Private Foundation

NANCY AND GEOFFREY STACK FAMILY FOUNDATION

Based in NEWPORT BEACH, CA, NANCY AND GEOFFREY STACK FAMILY FOUNDATION operates as a Private Foundation. The organization reported $2.3M in revenue, $3.3M in expenses, $2.5M in total assets for fiscal year 2024. Imperigo tracks 210 reported grants from this foundation totaling approximately $12.0M.

EIN: 711019812 NEWPORT BEACH, CA Latest filing: 2024

Total Revenue$2.3M

Total Expenses$3.3M

Total Assets$2.5M

Grants Given210

Grant Total$12.0M

Filing Years2019–2024

Sample Grants Given

UC SAN DIEGO FOUNDATION

LA JOLLA, CA · 2024

GENERAL SUPPORT

$1,650,000

THE UNITED WAY

IRVINE, CA · 2024

GENERAL SUPPORT

$625,000

THE UC IRVINE FOUNDATION

IRVINE, CA · 2024

GENERAL SUPPORT

$400,000

FLYING LEATHERNECK HISTORICAL FD

SAN DIEGO, CA · 2024

GENERAL SUPPORT

$120,000

24 HOURS FOR HANK

SANDPOINT, ID · 2024

GENERAL SUPPORT

$105,000

Showing up to 5 of 210 total records — full history available with membership.

Officers & Directors

Trustee Geoffrey L Stack

Trustee Nancy Stack

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL SUPPORT

$12,012,950 207 grants

GENERAL PURPOSE

$7,000 3 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$2.3M	$3.3M	$2.5M
2023	$2.6M	$1.6M	$3.5M
2022	$2.1M	$2.1M	$2.1M
2020	$1.3M	$1.3M	$2.3M
2019	$1.2M	$1.1M	$1.9M

Between 2019 and 2024, reported annual revenue grew from $1.2M to $2.3M (+91%), with total assets most recently reported at $2.5M.

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, ID, IL, MA, MT, and 3 other states.

CADCIDILMAMTNYPAVA

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

See the full picture for NANCY AND GEOFFREY STACK FAMILY FOUNDATION

Complete financials, all 210 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