The Gordon and Marilyn Macklin

Private foundation · Grantmaker N Bethesda, MD EIN: 52-2205133

The Gordon and Marilyn Macklin is a private foundation, based in N Bethesda, MD. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $14.3M in total assets. In 2025, it awarded 2 grants totaling $2.8M. Net investment income was $2.6M.

Key facts about The Gordon and Marilyn Macklin

In short: The Gordon and Marilyn Macklin gave $2.8M across 2 grants in 2025 (avg $1.4M), mostly in Maryland. Source: 2025 IRS Form 990-PF.

EIN
52-2205133
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$2,784,103
Grants made (2025)
2
Average grant
$1,392,052
Median grant
$1,392,052
Total assets
$14,312,133
Primary geography
Maryland (80% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$14.3M

-1.7% YoY

Annual Giving

$2.8M

+30.6% YoY

Grant Count

2

-33.3% YoY

Avg Grant Size

$1.4M

+96.0% YoY

Under IRS private-foundation payout rules, The Gordon and Marilyn Macklin reported a distributable amount of $2.7M for 2025 — the minimum it must pay out in qualifying distributions.

How The Gordon and Marilyn Macklin gives

  • Giving grew 70% from 2022 to 2025. Method
  • In 2025 it paid out 107% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

9states

Share of 2025 grant dollars across all 2 itemized grants.

Cities

San DiegoMinneapolisWashingtonBaltimoreNew YorkBurtonsvilleGreat FallsMiamiNew HavenTrinityWilliamsportWinter Garden

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M5 grants2020 5 grants2021 6 grants2022 5 grants2023 3 grants2024 2 grants2025

From 2020 to 2025, annual grant giving ranged from $1.6M (2022) to $2.8M (2025). In 2025 it made 2 grants totaling $2.8M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Johns Hopkins Ataxia Center: $2.2MJohns Hopkins Ataxia Center$2.2MMedstar National Rehabilitation Hospital: $561KMedstar NationalRehabilitation Hospital$561K

The largest 2025 recipient was Johns Hopkins Ataxia Center ($2.2M). Together the top 2 received $2.8M.

Grant Size Distribution

21 grants across all recorded years

1<$50K1$50–100K6$100–250K6$250–500K3$500K–1M4$1–5M$5M+

The most common grant size was in the $100–250K range: 6 grants of 21 (29%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Johns Hopkins Ataxia Center Baltimore, MDJohns hopkins university - funding of johns hopkins ataxia center - 2026-2030$2,223,000
Medstar National Rehabilitation Hospital Washington, DC4-year peer mentor and wellness program challenge grant for spinal cord injured patients$561,103

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$2M$3M$4M2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$14,312,133$14,565,997$16,075,970
Revenue$2,826,167$914,640$809,388
Expenses$3,080,031$2,424,613$2,417,905
Qualifying Distributions$2,845,539$2,194,397$2,186,918
Net Investment Income$2,602,891$691,783$586,958
Distributable Amount$2,657,282$2,388,556$2,058,396

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2025

Leadership & Key People

Officers and directors from IRS filings

The Gordon and Marilyn Macklin is led by Donald D. Dawn, President & Director on every filing since 2020 — the only officer listed, and compensated.

Officers on the 2025 filing

  • Donald D. Dawn

    President & Director

    On filings since 2020

    32 hrs/week

    $260K (2020) → $260K (2025)

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Donald D Dawn — President, Director: $260KDonald D DawnPresident, Director$260K

The highest reported compensation on the 2025 filing was $260K, to Donald D Dawn (President, Director).

Frequently asked questions about The Gordon and Marilyn Macklin

How much does The Gordon and Marilyn Macklin give each year?

The Gordon and Marilyn Macklin gave $2.8M across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $2.1M across 3 grants.

How large is The Gordon and Marilyn Macklin?

The Gordon and Marilyn Macklin reported $14.3M in total assets on its 2025 IRS Form 990-PF. It paid out $2.8M in qualifying distributions that year, against a required minimum of $2.7M (roughly 5% of its investment assets).

Where does The Gordon and Marilyn Macklin operate?

The Gordon and Marilyn Macklin has awarded grants in California, Connecticut, District of Columbia, Florida, Maryland, Minnesota, New York, Pennsylvania, Virginia.

What is The Gordon and Marilyn Macklin's EIN?

The Gordon and Marilyn Macklin's EIN (Employer Identification Number) is 52-2205133. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

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