Private Foundation

HARRIS K & LOIS G OPPENHEIMER FOUNDATION

HARRIS K & LOIS G OPPENHEIMER FOUNDATION is a private foundation categorized as Private Foundation based in SAN ANTONIO, TX. Its most recent IRS filing (2025) reports revenue of $301K, expenses of $196K, total assets of $2.6M. Imperigo tracks 415 reported grants from this foundation totaling approximately $1.2M.

EIN: 742347610 SAN ANTONIO, TX Latest filing: 2025

Total Revenue$301K

Total Expenses$196K

Total Assets$2.6M

Grants Given415

Grant Total$1.2M

Filing Years2020–2025

Sample Grants Given

WORLD MONUMENTS FUND

NEW YORK, NY · 2024

UNRESTRICTED

$20,000

KLRNALAMO PUBLIC TELECOMMUNICATIONS COUNCIL

SAN ANTONIO, TX · 2024

UNRESTRICTED

$13,000

TEXAS PUBLIC RADIO

SAN ANTONIO, TX · 2024

UNRESTRICTED

$13,000

HILLSIDE SCHOOL

BOULDER, CO · 2024

UNRESTRICTED

$9,500

HOUSTON GRAND OPERA

HOUSTON, TX · 2024

UNRESTRICTED

$5,000

Showing up to 5 of 415 total records — full history available with membership.

Officers & Directors

TRUSTEE Alexander Harris Weisberg

PRESIDENT, SEC, TREASURER Claire O O'malley

TRUSTEE Daniel H O'malley

TRUSTEE Edward J O'malley

VICE PRESIDENT Pauline Weisberg

Officer compensation and complete director data available with membership.

Top Grant Purposes

UNRESTRICTED

$1,222,190 415 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$301K	$196K	$2.6M
2024	$123K	$183K	$2.6M
2023	$89K	$198K	$2.6M
2021	$143K	$166K	$2.8M
2020	$71K	$183K	$2.8M

Between 2020 and 2025, reported annual revenue grew from $71K to $301K (+321%), with total assets most recently reported at $2.6M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, CO, CT, DC, MA, MD, and 4 other states.

CACOCTDCMAMDMONVNYTX

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

See the full picture for HARRIS K & LOIS G OPPENHEIMER FOUNDATION

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Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports