Small Public Charity

Mary Obolensky Underwood Leukaemia Foundation

Mary Obolensky Underwood Leukaemia Foundation is a Small Public Charity headquartered in Palm Beach, FL. Financial data from the 2025 filing: $97K revenue, $103K expenses, $206K total assets. 1 publicly reported grants to this organization, totaling roughly $8K, appear in IRS filings.

EIN: 650165054 Palm Beach, FL Medical Research NTEE: H Latest filing: 2025

Total Revenue$97K

Total Expenses$103K

Total Assets$206K

Grant Records1

Funding Total$8K

Filing Years2021–2025

Mission

Fund Leukaemia Research

Where $100 goes at Mary Obolensky Underwood Leukaemia Foundation

How Mary Obolensky Underwood Leukaemia Foundation divides every $100 it spends, from its own Form 990-EZ filings, averaged across 9 years.

$87 Programs the work itself

$13 Everything else operations and overhead

Form 990-EZ reports program spending but doesn't separate management from fundraising, so those are shown together.

Inside the $87 for programs

$52

Payments for Leukaemia treatments

60% of program spending

$35

Funded research into the development of leukemia treatments & cures

40% of program spending

Source: Form 990-EZ filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Sample Grants Received

FIDELITY INVESTMENTS CHARITABLE GIFT FUND

2024

For grant recipient's exempt purposes

$7,800

Showing up to 5 of 1 total records — full history available with membership.

Officers & Directors

Director Antony Underwood

S Director Bryant Sims

V Director Hersey Johnstone

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support

$7,800 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$97K	$103K	$206K
2024	$117K	$68K	$212K
2023	$105K	$72K	$163K
2022	$121K	$64K	$139K
2021	$29K	$32K	$128K

Between 2021 and 2025, reported annual revenue grew from $29K to $97K (+230%), with total assets most recently reported at $206K.

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

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