Private Foundation

MARIE & MAYER WINKLER PETER C & HELEN D

MARIE & MAYER WINKLER PETER C & HELEN D is a Private Foundation headquartered in CLAYTON, MO. Financial data from the 2025 filing: $368K revenue, $352K expenses, $4.4M total assets. IRS filings disclose 15 grants awarded by this foundation, totaling roughly $1.3M.

EIN: 376528633 CLAYTON, MO Latest filing: 2025

Total Revenue$368K

Total Expenses$352K

Total Assets$4.4M

Grants Given15

Grant Total$1.3M

Filing Years2020–2025

Sample Grants Given

SCHOOL OF THE OZARKS

POINT LOOKOUT, MO · 2024

GENERAL OPERATIONS

$96,667

SHRINERS HOSPITAL FOR CHILDREN

TAMPA, FL · 2024

GENERAL OPERATIONS

$96,667

ST LOUIS UNIVERSITY

ST LOUIS, MO · 2024

GENERAL OPERATIONS

$96,667

SHRINERS HOSPITAL FOR CHILDREN

TAMPA, FL · 2023

GENERAL OPERATIONS

$86,667

ST LOUIS UNIVERSITY

ST LOUIS, MO · 2023

GENERAL OPERATIONS

$86,667

Showing up to 5 of 15 total records — full history available with membership.

Officers & Directors

CO-TRUSTEE Leonard L Denk

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL OPERATIONS

$1,335,006 15 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$368K	$352K	$4.4M
2024	$201K	$323K	$4.4M
2023	$467K	$340K	$4.5M
2021	$434K	$315K	$4.1M
2020	$221K	$317K	$4.0M

Between 2020 and 2025, reported annual revenue grew from $221K to $368K (+67%), with total assets most recently reported at $4.4M.

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

Grant Geography

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

FLMO

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

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