Private Foundation

Tidemark 10 Foundation

Based in Wilmington, DE, Tidemark 10 Foundation operates as a Private Foundation. The organization reported $3.1M in revenue, $1.5M in expenses, $9.4M in total assets for fiscal year 2025. Imperigo tracks 21 reported grants from this foundation totaling approximately $2.4M.

EIN: 854039046 Wilmington, DE Latest filing: 2025

Total Revenue$3.1M

Total Expenses$1.5M

Total Assets$9.4M

Grants Given21

Grant Total$2.4M

Filing Years2021–2025

Sample Grants Given

STANFORD UNIVERSITY

STANFORD, CA · 2025

FOR THE CENTER FOR OCEAN SOLUTIONS

$1,000,000

FIDELITY INVESTMENTS CHARITABLE GIFT FUND

BOSTON, MA · 2025

GENERAL & UNRESTRICTED

$300,000

NATURE CONSERVANCY

ARLINGTON, VA · 2025

California Oceans Program

$20,000

KQED INC

SAN FRANCISCO, CA · 2025

General & Unrestricted

$10,000

CARNEGIE ENDOWMENT FOR INTERNATIONAL PEACE

WASHINGTON, DC · 2025

General & Unrestricted

$10,000

Showing up to 5 of 21 total records — full history available with membership.

Officers & Directors

Dir David Li Yuan

Dir, Pres, Sec, Treas Grace Yuan

Officer compensation and complete director data available with membership.

Top Grant Purposes

General & Unrestricted

$1,086,644 14 grants

FOR THE CENTER FOR OCEAN SOLUTIONS

$1,000,000 1 grant

GENERAL & UNRESTRICTED

$300,000 1 grant

In support of Ukraine humanitarian needs

$25,000 1 grant

California Oceans Program

$20,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$3.1M	$1.5M	$9.4M
2024	$6.3M	$24K	$7.8M
2023	$63K	$1.0M	$1.5M
2022	$-9K	$56K	$2.5M
2021	$1.5M	$52K	$2.5M

Between 2021 and 2025, reported annual revenue grew from $1.5M to $3.1M (+99%), with total assets most recently reported at $9.4M.

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, DC, IA, IL, MA, and 4 other states.

CACODCIAILMANJNYTXVA

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

See the full picture for Tidemark 10 Foundation

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