The Gordon and Marilyn Macklin Foundation Inc

Invitation Only

N Bethesda, Maryland · EIN 52-2205133 · Private foundation

Grants paid (2024)$2.8M

Organizations funded2

Typical grant$561,103

Total assets$59.1M

Half of its grants to organizations were between $561,103 and $2,223,000.

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From the return

How to apply

On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.

What it funds

Share of grant lines on the latest return, classified from the purpose each grant states.

Education1
Health1

Where it gives

50% of grants went outside Maryland.

Grants paid in tax year 2024

Recipient	Location	Purpose	Amount
Johns Hopkins Ataxia Center	Baltimore, MD	Johns hopkins university - funding of johns hopkins ataxia center - 2026-2030	$2,223,000
Medstar National Rehabilitation Hospital	Washington, DC	4-Year peer mentor and wellness program challenge grant for spinal cord injured patients	$561,103

Giving by year

Tax year	Grants paid	Grant lines
2024	$2,784,103	2
2023	$2,131,007	3

Sources

IRS Form 990-PF, tax year 2024, filed Dec 11, 2025 - IRS e-file batch, object ID 202523459349100012
IRS Tax Exempt Organization Search for EIN 52-2205133
Profile updated Nov 10, 2026

Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.