Private Foundation

The Margaret Blanke Grigg Foundation

The Margaret Blanke Grigg Foundation is a Private Foundation headquartered in Saint Louis, MO. Financial data from the 2025 filing: $1.6M revenue, $1.1M expenses, $8.2M total assets. IRS filings disclose 70 grants awarded by this foundation, totaling roughly $5.5M.

EIN: 431699657 Saint Louis, MO Latest filing: 2025

Total Revenue$1.6M

Total Expenses$1.1M

Total Assets$8.2M

Grants Given70

Grant Total$5.5M

Filing Years2021–2025

Sample Grants Given

St Louis Symphony Foundation

St Louis, MO · 2025

General Purposes

$269,000

St Louis Art Museum

St Louis, MO · 2025

General Purposes

$84,000

Oasis Institute

St Louis, MO · 2025

General Purposes

$84,000

Missouri Botanical Garden

St Louis, MO · 2025

General Purposes

$84,000

St Louis Area Food Bank

Bridgeton, MO · 2025

General Purposes

$84,000

Showing up to 5 of 70 total records — full history available with membership.

Officers & Directors

Vice President, Director Charles R Grigg

Vice President; Director Eliot Grigg

President, Director Harry H Langenberg Ii

Secretary, Director Thomas E Venker Jr

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Purposes

$5,516,500 70 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$1.6M	$1.1M	$8.2M
2024	$570K	$922K	$7.7M
2023	$265K	$938K	$8.0M
2022	$591K	$976K	$8.7M
2021	$1.9M	$935K	$9.1M

Between 2021 and 2025, reported annual revenue declined from $1.9M to $1.6M (-13%), with total assets most recently reported at $8.2M.

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

Grant Geography

Grants from this foundation were reported to recipients in MD, MO.

MDMO

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

See the full picture for The Margaret Blanke Grigg Foundation

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